/* roulang page: index */
:root {
            --color-deep-green: #0B1F1A;
            --color-dark-secondary: #111412;
            --color-ivory: #F4F1EA;
            --color-gold: #C6A15B;
            --color-light-gold: #E3CDA4;
            --color-warning: #B5443B;
            --color-text-light: #F5F3EE;
            --color-text-light-muted: rgba(245, 243, 238, 0.72);
            --color-text-dark: #1C2420;
            --color-text-dark-muted: rgba(28, 36, 32, 0.7);
            --color-border-dark: #2B3532;
            --color-border-light: #E5E1D6;
            --color-input-bg: #0F1513;
            --color-input-border: #3A4542;
            --radius-card: 6px;
            --radius-chip: 14px;
            --radius-btn: 4px;
            --radius-input: 2px;
            --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 180ms ease-out;
            --transition-mid: 220ms ease-out;
            --transition-slow: 260ms ease-out;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 56px;
            --section-gap-mobile: 44px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-dark);
            background-color: var(--color-deep-green);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }

        @media (max-width: 1024px) {
            section {
                padding-top: var(--section-gap-tablet);
                padding-bottom: var(--section-gap-tablet);
            }
        }

        @media (max-width: 640px) {
            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            height: 60px;
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-mid);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
            line-height: 1;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-gold);
        }

        .logo .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            display: block;
            margin-top: 2px;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: width var(--transition-fast);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-text-light);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .chip {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: default;
            user-select: none;
            transition: all var(--transition-fast);
        }

        .chip-preheat {
            background: transparent;
            border: 1px solid rgba(245, 243, 238, 0.3);
            color: rgba(245, 243, 238, 0.5);
        }

        .chip-live {
            background: var(--color-gold);
            color: #111412;
            border: 1.5px solid var(--color-gold);
            animation: pulse-gold 2.2s ease-out infinite;
            position: relative;
        }

        @keyframes pulse-gold {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(198, 161, 91, 0.55);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(198, 161, 91, 0);
            }
        }

        .chip-replay {
            background: rgba(245, 243, 238, 0.08);
            color: rgba(245, 243, 238, 0.55);
            border: 1px solid rgba(245, 243, 238, 0.15);
            background-image: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(245, 243, 238, 0.04) 3px, rgba(245, 243, 238, 0.04) 6px);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: var(--color-text-light);
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            line-height: 1;
            transition: color var(--transition-fast);
        }

        .hamburger:hover {
            color: var(--color-gold);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 14px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .nav-chips .chip {
                padding: 3px 7px;
                font-size: 11px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-deep-green);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px 20px;
                border-bottom: 1px solid var(--color-gold);
                gap: 12px;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 15px;
                padding: 6px 0;
            }
            .nav-chips {
                margin-top: 8px;
                overflow-x: auto;
                width: 100%;
                padding-bottom: 4px;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                position: relative;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                height: 56px;
            }
            .main-nav {
                top: 56px;
            }
            .logo {
                font-size: 20px;
            }
            .logo .logo-sub {
                font-size: 9px;
                letter-spacing: 2px;
            }
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-mid);
            min-height: 42px;
            text-align: center;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #111412;
        }

        .btn-primary:hover {
            background: #d4b269;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(198, 161, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-gold);
            color: var(--color-gold);
        }

        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.1);
            transform: translateY(-1px);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(245, 243, 238, 0.25);
            color: var(--color-text-light);
        }

        .btn-ghost:hover {
            border-color: var(--color-text-light);
            background: rgba(245, 243, 238, 0.06);
        }

        .btn-sm {
            font-size: 13px;
            padding: 8px 16px;
            min-height: 34px;
        }

        @media (max-width: 640px) {
            .btn {
                font-size: 14px;
                padding: 10px 18px;
                min-height: 38px;
                width: 100%;
            }
            .btn-sm {
                width: auto;
                padding: 7px 14px;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            background: var(--color-deep-green);
            position: relative;
            padding: 72px 0 64px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(to right, var(--color-deep-green) 0%, rgba(11, 31, 26, 0.55) 45%, rgba(11, 31, 26, 0.3) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 16px;
            border: 1px solid rgba(198, 161, 91, 0.4);
            border-radius: var(--radius-chip);
            padding: 4px 14px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text-light);
            margin-bottom: 20px;
            letter-spacing: 1px;
            max-width: 620px;
        }

        .hero-title .highlight {
            color: var(--color-gold);
        }

        .hero-desc {
            font-size: 16px;
            color: var(--color-text-light-muted);
            line-height: 1.85;
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-group-stats {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            background: rgba(20, 26, 24, 0.75);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .group-stat-item {
            text-align: center;
            flex-shrink: 0;
        }

        .group-stat-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.2;
        }

        .group-stat-label {
            font-size: 12px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.5px;
        }

        .group-progress {
            flex: 1;
            min-width: 120px;
        }

        .group-progress-bar {
            height: 6px;
            background: rgba(245, 243, 238, 0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .group-progress-fill {
            height: 100%;
            background: var(--color-gold);
            border-radius: 3px;
            width: 72%;
            transition: width var(--transition-slow);
        }

        .group-progress-label {
            font-size: 12px;
            color: var(--color-text-light-muted);
        }

        .hero-indicators {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 8px;
        }

        .hero-indicator-card {
            background: rgba(20, 26, 24, 0.8);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            text-align: center;
            transition: all var(--transition-mid);
        }

        .hero-indicator-card:hover {
            border-color: var(--color-gold);
            transform: translateY(-2px);
        }

        .hero-indicator-name {
            font-size: 11px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .hero-indicator-value {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            line-height: 1.2;
        }

        .hero-indicator-value.gold {
            color: var(--color-gold);
        }

        .hero-indicator-change {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .arrow-up {
            color: #4CAF50;
        }

        .arrow-down {
            color: var(--color-warning);
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 38px;
            }
            .hero-section::before,
            .hero-section::after {
                width: 40%;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 40px;
            }
            .hero-title {
                font-size: 32px;
                max-width: 100%;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-indicators {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .hero-indicator-value {
                font-size: 20px;
            }
            .hero-section::before,
            .hero-section::after {
                width: 100%;
                opacity: 0.25;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 26px;
                letter-spacing: 0;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-indicators {
                grid-template-columns: 1fr 1fr;
            }
            .hero-group-stats {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .group-stat-item {
                display: inline-block;
            }
        }

        /* ========== Section Headers ========== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .section-title-deco {
            width: 4px;
            height: 36px;
            background: var(--color-gold);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
            margin: 0;
        }

        .section-title.dark {
            color: var(--color-text-dark);
        }

        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-gold);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .section-link:hover {
            color: var(--color-light-gold);
        }

        .section-sub {
            font-size: 15px;
            color: var(--color-text-light-muted);
            max-width: 560px;
            margin-top: 12px;
            line-height: 1.75;
        }

        .section-sub.dark {
            color: var(--color-text-dark-muted);
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-sub {
                font-size: 14px;
            }
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 22px;
            }
        }

        /* ========== Metrics Dashboard ========== */
        .metrics-section {
            background: var(--color-dark-secondary);
            border-top: 1px solid rgba(227, 205, 164, 0.12);
            border-bottom: 1px solid rgba(227, 205, 164, 0.12);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: all var(--transition-mid);
            cursor: default;
        }

        .metric-card:hover {
            border-color: var(--color-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-dark-hover);
        }

        .metric-name {
            font-size: 13px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text-light);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-value.gold {
            color: var(--color-gold);
        }

        .metric-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .metric-update {
            font-size: 11px;
            color: rgba(245, 243, 238, 0.45);
            letter-spacing: 0.3px;
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .metric-value {
                font-size: 28px;
            }
        }

        /* ========== Services Matrix ========== */
        .services-section {
            background: var(--color-ivory);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-mid);
            cursor: default;
        }

        .service-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 6px;
            overflow: hidden;
            background: #F0ECE3;
            flex-shrink: 0;
        }

        .service-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-dark);
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .service-desc {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 20px 16px;
            }
        }

        /* ========== Comparison Table ========== */
        .comparison-section {
            background: var(--color-deep-green);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid rgba(227, 205, 164, 0.18);
            margin-bottom: 24px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            background: #141A18;
        }

        .comparison-table thead th {
            background: rgba(198, 161, 91, 0.12);
            color: var(--color-gold);
            font-weight: 600;
            font-size: 14px;
            padding: 16px 18px;
            text-align: left;
            letter-spacing: 0.5px;
            border-bottom: 1px solid rgba(227, 205, 164, 0.25);
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--color-text-light);
            border-bottom: 1px solid rgba(227, 205, 164, 0.12);
            line-height: 1.6;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(198, 161, 91, 0.04);
        }

        .comparison-table .winner {
            color: var(--color-gold);
            font-family: var(--font-mono);
            font-weight: 700;
        }

        .comparison-table .neutral {
            color: rgba(245, 243, 238, 0.55);
        }

        .comparison-cards-mobile {
            display: none;
        }

        @media (max-width: 768px) {
            .comparison-table-wrap {
                display: none;
            }
            .comparison-cards-mobile {
                display: flex;
                flex-direction: column;
                gap: 14px;
            }
            .compare-mobile-card {
                background: #141A18;
                border: 1px solid var(--color-border-dark);
                border-radius: var(--radius-card);
                padding: 18px 16px;
            }
            .compare-mobile-row {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: 8px 0;
                border-bottom: 1px solid rgba(227, 205, 164, 0.1);
                font-size: 14px;
            }
            .compare-mobile-row:last-child {
                border-bottom: none;
            }
            .compare-mobile-label {
                color: var(--color-text-light-muted);
            }
            .compare-mobile-value {
                color: var(--color-text-light);
                font-family: var(--font-mono);
                font-weight: 600;
            }
            .compare-mobile-value.gold {
                color: var(--color-gold);
            }
        }

        /* ========== Tier Promotion ========== */
        .tier-section {
            background: var(--color-dark-secondary);
            border-top: 1px solid rgba(227, 205, 164, 0.1);
            border-bottom: 1px solid rgba(227, 205, 164, 0.1);
        }

        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .tier-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            position: relative;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tier-card:hover {
            border-color: var(--color-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-dark-hover);
        }

        .tier-card.featured {
            border-color: var(--color-gold);
            background: linear-gradient(160deg, #181F1B 0%, #141A18 60%);
        }

        .tier-tag {
            position: absolute;
            top: -10px;
            right: 16px;
            background: var(--color-gold);
            color: #111412;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
        }

        .tier-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.3px;
        }

        .tier-quota {
            font-size: 13px;
            color: var(--color-text-light-muted);
        }

        .tier-benefit {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
        }

        .tier-progress {
            height: 5px;
            background: rgba(245, 243, 238, 0.08);
            border-radius: 3px;
            overflow: hidden;
        }

        .tier-progress-fill {
            height: 100%;
            background: var(--color-gold);
            border-radius: 3px;
            width: 45%;
        }

        .tier-progress-fill.fill-70 {
            width: 70%;
        }

        .tier-progress-fill.fill-30 {
            width: 30%;
        }

        .tier-btn {
            margin-top: 6px;
        }

        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== News Section ========== */
        .news-section {
            background: var(--color-ivory);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition-mid);
            cursor: pointer;
        }

        .news-item:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateX(3px);
        }

        .news-item-time {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-text-dark-muted);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 3px;
        }

        .news-item-body {
            flex: 1;
        }

        .news-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item-summary {
            font-size: 13px;
            color: var(--color-text-dark-muted);
            line-height: 1.7;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-sidebar-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 18px 16px;
        }

        .news-sidebar-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .news-sidebar-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(28, 36, 32, 0.08);
            font-size: 13px;
            color: var(--color-text-dark-muted);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        .news-sidebar-item:hover {
            color: var(--color-gold);
        }

        .news-sidebar-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar-card {
                flex: 1;
                min-width: 240px;
            }
        }

        @media (max-width: 640px) {
            .news-sidebar {
                flex-direction: column;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* ========== Testimonials ========== */
        .testimonials-section {
            background: var(--color-deep-green);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .testimonial-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-mid);
        }

        .testimonial-card:hover {
            border-color: rgba(198, 161, 91, 0.5);
            transform: translateY(-2px);
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.75;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 10px;
            border-top: 1px solid rgba(227, 205, 164, 0.12);
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-gold);
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-light);
            line-height: 1.3;
        }

        .testimonial-role {
            font-size: 11px;
            color: var(--color-text-light-muted);
        }

        @media (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Partners Capability Tags ========== */
        .partners-section {
            background: var(--color-dark-secondary);
            border-top: 1px solid rgba(227, 205, 164, 0.1);
            border-bottom: 1px solid rgba(227, 205, 164, 0.1);
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .partner-tag {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            transition: all var(--transition-mid);
            cursor: default;
        }

        .partner-tag:hover {
            border-color: var(--color-gold);
            transform: translateY(-1px);
        }

        .partner-tag-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .partner-tag-desc {
            font-size: 13px;
            color: var(--color-text-light-muted);
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .partners-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Brand Intro ========== */
        .brand-intro-section {
            background: var(--color-ivory);
        }

        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 32px;
            align-items: center;
        }

        .brand-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #E8E3D8;
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-intro-text {
            font-size: 15px;
            color: var(--color-text-dark);
            line-height: 1.85;
        }

        .brand-intro-text p {
            margin-bottom: 14px;
        }

        @media (max-width: 768px) {
            .brand-intro-wrap {
                grid-template-columns: 1fr;
            }
            .brand-intro-image {
                max-width: 400px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-deep-green);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-mid);
        }

        .faq-item.active {
            border-color: rgba(198, 161, 91, 0.6);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(198, 161, 91, 0.04);
        }

        .faq-question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.3px;
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-number {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-gold);
            flex-shrink: 0;
            font-weight: 700;
        }

        .faq-arrow {
            font-size: 16px;
            color: var(--color-gold);
            transition: transform var(--transition-mid);
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-mid);
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            padding: 0 20px 18px;
            max-height: 300px;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
            }
            .faq-question-text {
                font-size: 14px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ========== Conversion Form ========== */
        .form-section {
            background: linear-gradient(180deg, var(--color-deep-green) 0%, #0E2420 100%);
            border-top: 1px solid rgba(198, 161, 91, 0.25);
        }

        .form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .form-info h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .form-info p {
            font-size: 15px;
            color: var(--color-text-light-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .form-privacy {
            font-size: 12px;
            color: rgba(245, 243, 238, 0.45);
            line-height: 1.6;
            margin-top: 12px;
        }

        .contact-form {
            background: rgba(15, 21, 19, 0.85);
            border: 1px solid var(--color-input-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-light-muted);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            background: var(--color-input-bg);
            border: 1px solid var(--color-input-border);
            border-radius: var(--radius-input);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--color-text-light);
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(245, 243, 238, 0.4);
            font-size: 13px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-gold);
            box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.25);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23C6A15B' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        @media (max-width: 768px) {
            .form-wrapper {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .form-info h2 {
                font-size: 24px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep-green);
            border-top: 1px solid rgba(198, 161, 91, 0.3);
            padding: 48px 24px 24px;
        }

        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 22px;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .footer-brand .logo:hover {
            color: var(--color-gold);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-links a {
            font-size: 13px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-col-links a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            max-width: 1180px;
            margin: 0 auto;
            border-top: 1px solid rgba(227, 205, 164, 0.15);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(245, 243, 238, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(245, 243, 238, 0.5);
            transition: color var(--transition-fast);
            font-size: 12px;
        }

        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        @media (max-width: 1024px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer {
                padding: 32px 16px 20px;
            }
        }

        /* ========== Utility ========== */
        .text-gold {
            color: var(--color-gold);
        }
        .bg-deep {
            background: var(--color-deep-green);
        }
        .bg-dark-secondary {
            background: var(--color-dark-secondary);
        }
        .bg-ivory {
            background: var(--color-ivory);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category2 */
:root {
            --color-deep-green: #0B1F1A;
            --color-dark-secondary: #111412;
            --color-ivory: #F4F1EA;
            --color-gold: #C6A15B;
            --color-light-gold: #E3CDA4;
            --color-warning: #B5443B;
            --color-text-light: #F5F3EE;
            --color-text-light-muted: rgba(245, 243, 238, 0.72);
            --color-text-dark: #1C2420;
            --color-text-dark-muted: rgba(28, 36, 32, 0.7);
            --color-border-dark: #2B3532;
            --color-border-light: #E5E1D6;
            --color-input-bg: #0F1513;
            --color-input-border: #3A4542;
            --radius-card: 6px;
            --radius-chip: 14px;
            --radius-btn: 4px;
            --radius-input: 2px;
            --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 180ms ease-out;
            --transition-mid: 220ms ease-out;
            --transition-slow: 260ms ease-out;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 56px;
            --section-gap-mobile: 44px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-dark);
            background-color: var(--color-deep-green);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            height: 60px;
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-mid);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
            line-height: 1;
            transition: color var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .logo:hover {
            color: var(--color-gold);
        }

        .logo .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            display: block;
            margin-top: 2px;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: width var(--transition-fast);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-text-light);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .chip {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
            display: inline-flex;
            align-items: center;
            height: 28px;
        }

        .chip-prepare {
            border: 1px solid rgba(245, 243, 238, 0.3);
            color: rgba(245, 243, 238, 0.5);
            background: transparent;
        }

        .chip-live {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
            border: 1.5px solid var(--color-gold);
            animation: pulse-gold 2.2s infinite;
        }

        .chip-replay {
            background: rgba(245, 243, 238, 0.06);
            color: rgba(245, 243, 238, 0.45);
            border: 1px solid rgba(245, 243, 238, 0.15);
            position: relative;
            overflow: hidden;
        }

        .chip-replay::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: repeating-linear-gradient(45deg, transparent, transparent 4px, rgba(245, 243, 238, 0.04) 4px, rgba(245, 243, 238, 0.04) 8px);
            pointer-events: none;
        }

        @keyframes pulse-gold {
            0%, 100% { box-shadow: 0 0 0 0 rgba(198, 161, 91, 0.4); }
            50% { box-shadow: 0 0 0 6px rgba(198, 161, 91, 0); }
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-border-dark);
            border-radius: 4px;
            padding: 8px 10px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-light);
            margin: 4px 0;
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1500;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--color-deep-green);
            border-left: 1px solid var(--color-gold);
            z-index: 1600;
            padding: 24px 20px;
            transition: right var(--transition-mid);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-panel .mobile-nav-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .mobile-nav-panel .mobile-nav-close {
            background: transparent;
            border: none;
            color: var(--color-text-light);
            font-size: 22px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-nav-panel .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel .mobile-nav-links a {
            font-size: 16px;
            color: var(--color-text-light-muted);
            padding: 10px 0;
            border-bottom: 1px solid rgba(245, 243, 238, 0.08);
            transition: color var(--transition-fast);
        }

        .mobile-nav-panel .mobile-nav-links a:hover,
        .mobile-nav-panel .mobile-nav-links a.active {
            color: var(--color-gold);
        }

        .mobile-nav-panel .mobile-nav-chips {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            background: var(--color-deep-green);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light-muted);
        }

        .breadcrumb a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb .separator {
            color: var(--color-gold);
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: var(--color-gold);
            font-weight: 600;
        }

        /* ========== Page Hero ========== */
        .compare-hero {
            background: var(--color-deep-green);
            color: var(--color-text-light);
            padding: 40px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .compare-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(198, 161, 91, 0.08), transparent 60%);
            pointer-events: none;
        }

        .compare-hero-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .compare-hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text-light);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .compare-hero-text .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 560px;
        }

        .compare-hero-visual {
            flex-shrink: 0;
            width: 320px;
        }

        .compare-hero-visual .hero-img-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border-dark);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .compare-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== Compare Intro ========== */
        .compare-intro {
            background: var(--color-dark-secondary);
            color: var(--color-text-light);
        }

        .compare-intro-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .compare-intro-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .compare-intro-left p {
            color: var(--color-text-light-muted);
            line-height: 1.85;
            font-size: 15px;
        }

        .compare-intro-right {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .compare-intro-stat {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .compare-intro-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1;
            min-width: 100px;
        }

        .compare-intro-stat .stat-label {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.5;
        }

        /* ========== Compare Cards ========== */
        .compare-cards-section {
            background: var(--color-ivory);
            color: var(--color-text-dark);
        }

        .compare-cards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 32px;
        }

        .compare-card {
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-mid);
            position: relative;
            overflow: hidden;
        }

        .compare-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .compare-card .card-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .compare-card.basic-card .card-badge {
            background: rgba(28, 36, 32, 0.08);
            color: var(--color-text-dark);
        }

        .compare-card.pro-card .card-badge {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
        }

        .compare-card .card-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 6px;
        }

        .compare-card .card-desc {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .compare-card .card-price {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .compare-card .card-price .price-term {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-dark-muted);
            font-family: var(--font-sans);
        }

        .compare-card .card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-card .card-features li {
            font-size: 14px;
            color: var(--color-text-dark);
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .compare-card .card-features li::before {
            content: '';
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
            margin-top: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            color: var(--color-dark-secondary);
            font-weight: 700;
        }

        .compare-card.basic-card .card-features li::before {
            content: '✓';
            background: rgba(28, 36, 32, 0.12);
        }

        .compare-card.pro-card .card-features li::before {
            content: '✓';
            background: var(--color-gold);
        }

        .compare-card .btn {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            text-align: center;
            cursor: pointer;
            width: 100%;
            border: none;
        }

        .compare-card .btn-primary {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
        }

        .compare-card .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 2px 10px rgba(198, 161, 91, 0.3);
        }

        .compare-card .btn-outline {
            background: transparent;
            border: 1px solid var(--color-gold);
            color: var(--color-text-dark);
        }

        .compare-card .btn-outline:hover {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
        }

        /* ========== Detail Comparison Table ========== */
        .compare-detail {
            background: var(--color-dark-secondary);
            color: var(--color-text-light);
        }

        .compare-detail h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 24px;
            line-height: 1.3;
        }

        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-dark);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 640px;
        }

        .compare-table thead th {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--color-gold);
            padding: 16px 18px;
            border-bottom: 1px solid rgba(227, 205, 164, 0.25);
            text-align: left;
            background: rgba(198, 161, 91, 0.06);
        }

        .compare-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(227, 205, 164, 0.12);
            color: var(--color-text-light-muted);
            line-height: 1.6;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background: rgba(198, 161, 91, 0.03);
            color: var(--color-text-light);
        }

        .compare-table tbody td:first-child {
            font-weight: 600;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .compare-table .highlight-cell {
            color: var(--color-gold);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .compare-table .muted-cell {
            color: var(--color-text-light-muted);
        }

        /* ========== Scenarios ========== */
        .compare-scenarios {
            background: var(--color-ivory);
            color: var(--color-text-dark);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .scenario-card {
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
        }

        .scenario-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .scenario-card .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
            color: var(--color-gold);
            font-weight: 700;
            font-family: var(--font-mono);
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.7;
        }

        .scenario-card .scenario-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            margin-bottom: 10px;
            background: rgba(28, 36, 32, 0.07);
            color: var(--color-text-dark);
        }

        /* ========== FAQ ========== */
        .compare-faq {
            background: var(--color-deep-green);
            color: var(--color-text-light);
        }

        .compare-faq .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 24px;
            line-height: 1.3;
        }

        .faq-accordion {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-dark-secondary);
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(198, 161, 91, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-index {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-gold);
            font-weight: 700;
            min-width: 30px;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--color-gold);
            transition: transform var(--transition-mid);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.8;
            padding-left: 42px;
        }

        /* ========== CTA ========== */
        .compare-cta {
            background: var(--color-dark-secondary);
            color: var(--color-text-light);
            text-align: center;
        }

        .compare-cta .cta-inner {
            max-width: 620px;
            margin: 0 auto;
        }

        .compare-cta h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-text-light);
            margin-bottom: 14px;
        }

        .compare-cta p {
            font-size: 15px;
            color: var(--color-text-light-muted);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .compare-cta .btn {
            display: inline-block;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            text-align: center;
            cursor: pointer;
            margin: 0 6px;
            border: none;
        }

        .compare-cta .btn-gold {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
        }

        .compare-cta .btn-gold:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 16px rgba(198, 161, 91, 0.3);
        }

        .compare-cta .btn-ghost {
            background: transparent;
            border: 1px solid var(--color-gold);
            color: var(--color-gold);
        }

        .compare-cta .btn-ghost:hover {
            background: rgba(198, 161, 91, 0.1);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep-green);
            color: var(--color-text-light-muted);
            border-top: 1px solid rgba(198, 161, 91, 0.25);
            padding-top: 48px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            margin-bottom: 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-links a,
        .footer-col-links span {
            font-size: 13px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-col-links a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 243, 238, 0.08);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-light-muted);
            opacity: 0.7;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom-links a {
            color: var(--color-text-light-muted);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .compare-hero-inner {
                gap: 32px;
            }

            .compare-hero-text h1 {
                font-size: 34px;
            }

            .compare-hero-visual {
                width: 260px;
            }

            .scenarios-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            section {
                padding-top: var(--section-gap-tablet);
                padding-bottom: var(--section-gap-tablet);
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .nav-chips {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .compare-hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .compare-hero-visual {
                width: 100%;
            }

            .compare-hero-text h1 {
                font-size: 28px;
            }

            .compare-intro-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .compare-cards-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .scenarios-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        @media (max-width: 640px) {
            .compare-hero {
                padding: 28px 0 40px;
            }

            .compare-hero-text h1 {
                font-size: 24px;
            }

            .compare-hero-text .hero-sub {
                font-size: 14px;
            }

            .compare-card {
                padding: 20px 18px;
            }

            .compare-card .card-title {
                font-size: 20px;
            }

            .compare-card .card-price {
                font-size: 26px;
            }

            .compare-intro-stat .stat-num {
                font-size: 28px;
                min-width: 80px;
            }

            .compare-cta h2 {
                font-size: 24px;
            }
        }

        @media (min-width: 1025px) {
            section {
                padding-top: var(--section-gap-desktop);
                padding-bottom: var(--section-gap-desktop);
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-deep-green: #0B1F1A;
            --color-dark-secondary: #111412;
            --color-ivory: #F4F1EA;
            --color-gold: #C6A15B;
            --color-light-gold: #E3CDA4;
            --color-warning: #B5443B;
            --color-text-light: #F5F3EE;
            --color-text-light-muted: rgba(245, 243, 238, 0.72);
            --color-text-dark: #1C2420;
            --color-text-dark-muted: rgba(28, 36, 32, 0.7);
            --color-border-dark: #2B3532;
            --color-border-light: #E5E1D6;
            --color-input-bg: #0F1513;
            --color-input-border: #3A4542;
            --radius-card: 6px;
            --radius-chip: 14px;
            --radius-btn: 4px;
            --radius-input: 2px;
            --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 180ms ease-out;
            --transition-mid: 220ms ease-out;
            --transition-slow: 260ms ease-out;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 56px;
            --section-gap-mobile: 44px;
        }

        /* ========== 全局 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-dark);
            background-color: var(--color-deep-green);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            height: 60px;
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-mid);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
            line-height: 1;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo:hover {
            color: var(--color-gold);
        }
        .logo .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            display: block;
            margin-top: 2px;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: width var(--transition-fast);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-text-light);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .nav-chips {
            display: flex;
            gap: 6px;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .chip {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: default;
            transition: all var(--transition-fast);
        }
        .chip-warmup {
            background: transparent;
            border: 1px solid rgba(245, 243, 238, 0.3);
            color: rgba(245, 243, 238, 0.5);
        }
        .chip-live {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
            border: 1.5px solid var(--color-gold);
            box-shadow: 0 0 0 0 rgba(198, 161, 91, 0.6);
            animation: pulse-gold 2.4s ease-out infinite;
        }
        .chip-replay {
            background: var(--color-dark-secondary);
            color: rgba(245, 243, 238, 0.5);
            border: 1px solid #3A4542;
            background-image: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(255,255,255,0.04) 3px, rgba(255,255,255,0.04) 6px);
        }
        @keyframes pulse-gold {
            0% { box-shadow: 0 0 0 0 rgba(198, 161, 91, 0.55); }
            70% { box-shadow: 0 0 0 8px rgba(198, 161, 91, 0); }
            100% { box-shadow: 0 0 0 0 rgba(198, 161, 91, 0); }
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-light);
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            transition: color var(--transition-fast);
        }
        .nav-toggle:hover {
            color: var(--color-gold);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--color-deep-green);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.3px;
        }
        .breadcrumb a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-gold);
        }
        .breadcrumb .sep {
            color: var(--color-light-gold);
            opacity: 0.5;
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--color-gold);
            font-weight: 600;
        }

        /* ========== Hero 标题区（分类页数据趋势版） ========== */
        .category-hero {
            background: var(--color-deep-green);
            padding: 40px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -160px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 161, 91, 0.07) 0%, transparent 65%);
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.18;
            color: var(--color-text-light);
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .category-hero-text .hero-sub {
            font-size: 17px;
            color: var(--color-text-light-muted);
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 24px;
        }
        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light-muted);
        }
        .hero-meta-item i {
            color: var(--color-gold);
            font-size: 14px;
        }
        .category-hero-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border-dark);
            position: relative;
        }
        .category-hero-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .category-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,31,26,0.15) 0%, rgba(11,31,26,0.55) 100%);
            pointer-events: none;
            border-radius: var(--radius-card);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-mid);
            text-align: center;
            line-height: 1.4;
        }
        .btn-gold {
            background: var(--color-gold);
            color: var(--color-dark-secondary);
        }
        .btn-gold:hover {
            background: #dab878;
            color: var(--color-dark-secondary);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(198, 161, 91, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-gold);
        }
        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--color-light-gold);
            border-color: var(--color-light-gold);
        }
        .btn-ghost {
            background: transparent;
            color: var(--color-text-light);
            border: 1px solid rgba(245, 243, 238, 0.3);
        }
        .btn-ghost:hover {
            border-color: var(--color-text-light);
            color: var(--color-text-light);
        }

        /* ========== 趋势总览/指标卡 ========== */
        .trend-section {
            background: var(--color-dark-secondary);
        }
        .trend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }
        .trend-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
            cursor: default;
        }
        .trend-card:hover {
            border-color: var(--color-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-dark-hover);
        }
        .trend-card .trend-label {
            font-size: 13px;
            color: var(--color-text-light-muted);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .trend-card .trend-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .trend-card .trend-change {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
        }
        .trend-change.up {
            color: var(--color-gold);
        }
        .trend-change.down {
            color: var(--color-warning);
        }
        .trend-card .trend-time {
            font-size: 11px;
            color: rgba(245, 243, 238, 0.4);
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        /* ========== 柱状图卡片 ========== */
        .chart-section {
            background: var(--color-dark-secondary);
            padding-top: 0;
        }
        .chart-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 28px 24px;
        }
        .chart-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .chart-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
        }
        .chart-card-badge {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            background: rgba(198, 161, 91, 0.15);
            color: var(--color-gold);
            border: 1px solid rgba(198, 161, 91, 0.3);
        }
        .bar-chart {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 220px;
            padding-top: 20px;
            border-bottom: 1px solid rgba(227, 205, 164, 0.18);
        }
        .bar-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            flex: 1;
            min-width: 0;
        }
        .bar {
            width: 100%;
            max-width: 48px;
            border-radius: 3px 3px 0 0;
            background: linear-gradient(180deg, var(--color-gold) 0%, rgba(198, 161, 91, 0.45) 100%);
            transition: all var(--transition-mid);
            cursor: pointer;
            position: relative;
        }
        .bar:hover {
            background: linear-gradient(180deg, #dab878 0%, rgba(218, 184, 120, 0.6) 100%);
            box-shadow: 0 0 16px rgba(198, 161, 91, 0.3);
        }
        .bar-group .bar-label {
            font-size: 11px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 60px;
        }
        .bar-group .bar-value {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-light-gold);
            font-weight: 600;
        }

        /* ========== 折线图示意 ========== */
        .line-chart-wrap {
            margin-top: 28px;
            position: relative;
            padding-bottom: 20px;
        }
        .line-chart-svg {
            width: 100%;
            height: 180px;
            display: block;
        }
        .line-chart-svg .grid-line {
            stroke: rgba(227, 205, 164, 0.12);
            stroke-width: 1;
        }
        .line-chart-svg .data-line {
            stroke: var(--color-gold);
            stroke-width: 2.5;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .line-chart-svg .area-fill {
            fill: rgba(198, 161, 91, 0.1);
            stroke: none;
        }
        .line-chart-svg .dot {
            fill: var(--color-gold);
            stroke: var(--color-dark-secondary);
            stroke-width: 2;
        }
        .line-chart-svg text {
            font-family: var(--font-mono);
            font-size: 10px;
            fill: rgba(245, 243, 238, 0.45);
        }

        /* ========== 数据列表/表格 ========== */
        .data-list-section {
            background: var(--color-deep-green);
        }
        .data-list-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .data-list-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
        }
        .data-table-wrap {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            overflow-x: auto;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .data-table thead {
            background: rgba(198, 161, 91, 0.08);
            border-bottom: 1px solid var(--color-gold);
        }
        .data-table thead th {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            text-align: left;
            padding: 14px 16px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .data-table tbody tr {
            border-bottom: 1px solid rgba(227, 205, 164, 0.1);
            transition: background var(--transition-fast);
        }
        .data-table tbody tr:hover {
            background: rgba(198, 161, 91, 0.04);
        }
        .data-table tbody tr:last-child {
            border-bottom: none;
        }
        .data-table tbody td {
            font-size: 14px;
            color: var(--color-text-light-muted);
            padding: 12px 16px;
            white-space: nowrap;
        }
        .data-table tbody td.mono {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--color-text-light);
        }
        .data-table tbody td.highlight {
            color: var(--color-gold);
            font-weight: 600;
        }
        .table-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.3px;
        }
        .table-tag.trend-up {
            background: rgba(198, 161, 91, 0.15);
            color: var(--color-gold);
        }
        .table-tag.trend-down {
            background: rgba(181, 68, 59, 0.15);
            color: var(--color-warning);
        }
        .table-tag.trend-flat {
            background: rgba(245, 243, 238, 0.08);
            color: var(--color-text-light-muted);
        }

        /* ========== 数据解读说明 ========== */
        .insight-section {
            background: var(--color-ivory);
        }
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .insight-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all var(--transition-mid);
        }
        .insight-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }
        .insight-card .insight-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            color: var(--color-gold);
            font-size: 20px;
        }
        .insight-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.4px;
        }
        .insight-card p {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.75;
            letter-spacing: 0.3px;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: var(--color-dark-secondary);
        }
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-mid);
        }
        .faq-item:hover {
            border-color: rgba(198, 161, 91, 0.4);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(198, 161, 91, 0.04);
        }
        .faq-question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.4px;
        }
        .faq-arrow {
            color: var(--color-gold);
            font-size: 14px;
            transition: transform var(--transition-mid);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.8;
            letter-spacing: 0.3px;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: var(--color-deep-green);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -180px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 161, 91, 0.06) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--color-text-light-muted);
            max-width: 480px;
            line-height: 1.75;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-deep-green);
            border-top: 1px solid rgba(198, 161, 91, 0.25);
            padding: 48px 0 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-links a,
        .footer-col-links span {
            font-size: 13px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }
        .footer-col-links a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(227, 205, 164, 0.12);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: rgba(245, 243, 238, 0.4);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(245, 243, 238, 0.4);
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .category-hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-hero-visual img {
                height: 240px;
            }
            .trend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            section {
                padding-top: var(--section-gap-tablet);
                padding-bottom: var(--section-gap-tablet);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-deep-green);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 20px;
                border-bottom: 1px solid var(--color-gold);
                gap: 4px;
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 15px;
                padding: 10px 4px;
                width: 100%;
            }
            .nav-chips {
                flex-wrap: wrap;
                padding-top: 8px;
            }
            .category-hero-text h1 {
                font-size: 32px;
            }
            .trend-grid {
                grid-template-columns: 1fr;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .bar-chart {
                height: 160px;
                gap: 8px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .data-list-title {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero-text h1 {
                font-size: 26px;
            }
            .hero-meta-row {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            .bar-chart {
                height: 140px;
                gap: 5px;
            }
            .bar {
                max-width: 32px;
            }
            .bar-group .bar-label {
                font-size: 9px;
                max-width: 40px;
            }
            .chart-card {
                padding: 18px 14px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .logo {
                font-size: 20px;
            }
            .logo .logo-sub {
                font-size: 9px;
                letter-spacing: 2px;
            }
        }

/* roulang page: category3 */
:root {
        --color-deep-green: #0B1F1A;
        --color-dark-secondary: #111412;
        --color-ivory: #F4F1EA;
        --color-gold: #C6A15B;
        --color-light-gold: #E3CDA4;
        --color-warning: #B5443B;
        --color-text-light: #F5F3EE;
        --color-text-light-muted: rgba(245, 243, 238, 0.72);
        --color-text-dark: #1C2420;
        --color-text-dark-muted: rgba(28, 36, 32, 0.7);
        --color-border-dark: #2B3532;
        --color-border-light: #E5E1D6;
        --color-input-bg: #0F1513;
        --color-input-border: #3A4542;
        --radius-card: 6px;
        --radius-chip: 14px;
        --radius-btn: 4px;
        --radius-input: 2px;
        --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
        --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
        --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
        --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        --transition-fast: 180ms ease-out;
        --transition-mid: 220ms ease-out;
        --transition-slow: 260ms ease-out;
        --section-gap-desktop: 80px;
        --section-gap-tablet: 56px;
        --section-gap-mobile: 44px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--color-text-dark);
        background-color: var(--color-deep-green);
        overflow-x: hidden;
        margin: 0;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-fast);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-gold);
        outline-offset: 2px;
    }

    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    section {
        padding-top: var(--section-gap-desktop);
        padding-bottom: var(--section-gap-desktop);
    }

    /* ========== Header / Navigation ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--color-deep-green);
        border-bottom: 1px solid var(--color-gold);
        height: 60px;
        display: flex;
        align-items: center;
        transition: box-shadow var(--transition-mid);
    }

    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 16px;
    }

    .logo {
        font-size: 24px;
        font-weight: 800;
        color: var(--color-text-light);
        letter-spacing: 1px;
        white-space: nowrap;
        line-height: 1;
        transition: color var(--transition-fast);
    }

    .logo:hover {
        color: var(--color-gold);
    }

    .logo .logo-sub {
        font-size: 11px;
        font-weight: 400;
        color: var(--color-text-light-muted);
        letter-spacing: 3px;
        display: block;
        margin-top: 2px;
        text-transform: uppercase;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 22px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .main-nav a {
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text-light-muted);
        white-space: nowrap;
        padding: 6px 2px;
        position: relative;
        letter-spacing: 0.5px;
        transition: color var(--transition-fast);
    }

    .main-nav a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 1px;
        background: var(--color-gold);
        transition: width var(--transition-fast);
    }

    .main-nav a:hover,
    .main-nav a.active {
        color: var(--color-text-light);
    }

    .main-nav a:hover::after,
    .main-nav a.active::after {
        width: 100%;
    }

    .nav-chips {
        display: flex;
        gap: 6px;
        align-items: center;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .chip {
        font-size: 12px;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: var(--radius-chip);
        letter-spacing: 0.5px;
        line-height: 1.5;
        display: inline-flex;
        align-items: center;
        transition: all var(--transition-fast);
    }

    .chip-warm {
        background: transparent;
        color: rgba(245, 243, 238, 0.5);
        border: 1px solid rgba(245, 243, 238, 0.35);
    }

    .chip-live {
        background: var(--color-gold);
        color: #111412;
        border: 1.5px solid var(--color-gold);
        box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.35);
        animation: pulse-gold 2.2s infinite;
    }

    .chip-replay {
        background: transparent;
        color: rgba(245, 243, 238, 0.45);
        border: 1px dashed rgba(245, 243, 238, 0.3);
    }

    @keyframes pulse-gold {
        0% {
            box-shadow: 0 0 0 0 rgba(198, 161, 91, 0.4);
        }
        70% {
            box-shadow: 0 0 0 5px rgba(198, 161, 91, 0);
        }
        100% {
            box-shadow: 0 0 0 0 rgba(198, 161, 91, 0);
        }
    }

    .mobile-toggle {
        display: none;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px;
        flex-shrink: 0;
    }

    .mobile-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-text-light);
        margin: 5px 0;
        border-radius: 2px;
        transition: all var(--transition-fast);
    }

    /* ========== Buttons ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        border: 1px solid transparent;
        cursor: pointer;
        transition: all var(--transition-fast);
        letter-spacing: 0.5px;
        line-height: 1.5;
        text-align: center;
    }

    .btn-primary {
        background: var(--color-gold);
        color: #111412;
        border-color: var(--color-gold);
    }

    .btn-primary:hover {
        background: #d4af64;
        border-color: #d4af64;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(198, 161, 91, 0.3);
        color: #111412;
    }

    .btn-ghost {
        background: transparent;
        color: var(--color-text-light);
        border-color: rgba(245, 243, 238, 0.4);
    }

    .btn-ghost:hover {
        border-color: var(--color-gold);
        color: var(--color-gold);
        background: rgba(198, 161, 91, 0.08);
    }

    .btn-outline {
        background: transparent;
        color: var(--color-gold);
        border-color: var(--color-gold);
    }

    .btn-outline:hover {
        background: var(--color-gold);
        color: #111412;
        transform: translateY(-1px);
    }

    /* ========== Breadcrumb ========== */
    .breadcrumb {
        font-size: 13px;
        color: var(--color-text-light-muted);
        padding: 16px 0 0;
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .breadcrumb a {
        color: var(--color-text-light-muted);
        transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
        color: var(--color-gold);
    }

    .breadcrumb .sep {
        color: rgba(245, 243, 238, 0.35);
    }

    .breadcrumb .current {
        color: var(--color-text-light);
        font-weight: 500;
    }

    /* ========== Page Hero ========== */
    .page-hero {
        background: var(--color-deep-green);
        padding: 48px 0 40px;
        position: relative;
        overflow: hidden;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 40%;
        height: 100%;
        background: radial-gradient(circle at center, rgba(198, 161, 91, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

    .page-hero h1 {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.15;
        color: var(--color-text-light);
        margin: 12px 0 16px;
        letter-spacing: 0.5px;
        max-width: 850px;
    }

    .page-hero .hero-sub {
        font-size: 17px;
        color: var(--color-text-light-muted);
        max-width: 720px;
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* ========== Article Detail Layout ========== */
    .article-section {
        background: var(--color-ivory);
        padding-top: 56px;
        padding-bottom: 64px;
    }

    .article-grid {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 48px;
        align-items: start;
    }

    .article-main {
        min-width: 0;
    }

    .article-hero-image {
        border-radius: var(--radius-card);
        overflow: hidden;
        margin-bottom: 32px;
        position: relative;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    }

    .article-hero-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--color-text-dark-muted);
        margin-bottom: 20px;
    }

    .article-meta .tag {
        background: rgba(198, 161, 91, 0.15);
        color: #8a6b2f;
        padding: 4px 12px;
        border-radius: var(--radius-chip);
        font-weight: 600;
        font-size: 12px;
        letter-spacing: 0.5px;
    }

    .article-body h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-text-dark);
        margin: 32px 0 16px;
        line-height: 1.3;
    }

    .article-body h3 {
        font-size: 22px;
        font-weight: 600;
        color: var(--color-text-dark);
        margin: 28px 0 12px;
        line-height: 1.4;
    }

    .article-body p {
        color: var(--color-text-dark-muted);
        line-height: 1.85;
        margin-bottom: 20px;
        font-size: 16px;
    }

    .article-body .highlight-block {
        background: #fff;
        border-left: 3px solid var(--color-gold);
        padding: 20px 24px;
        border-radius: 0 6px 6px 0;
        margin: 24px 0;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    }

    .article-body .highlight-block p {
        margin-bottom: 0;
        color: var(--color-text-dark);
        font-weight: 500;
    }

    .inline-image {
        border-radius: var(--radius-card);
        overflow: hidden;
        margin: 24px 0;
    }

    .inline-image img {
        width: 100%;
        height: auto;
    }

    .data-table-wrap {
        overflow-x: auto;
        margin: 24px 0;
    }

    .data-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
        min-width: 480px;
    }

    .data-table thead th {
        background: var(--color-deep-green);
        color: var(--color-gold);
        padding: 12px 16px;
        text-align: left;
        font-weight: 600;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .data-table tbody td {
        padding: 12px 16px;
        border-bottom: 1px solid var(--color-border-light);
        color: var(--color-text-dark-muted);
        white-space: nowrap;
    }

    .data-table tbody tr:hover td {
        background: rgba(198, 161, 91, 0.05);
    }

    .data-table .num {
        font-family: var(--font-mono);
        font-weight: 600;
        color: var(--color-text-dark);
    }

    .data-table .gold-num {
        font-family: var(--font-mono);
        font-weight: 700;
        color: #a5823b;
    }

    /* ========== Sidebar ========== */
    .article-sidebar {
        position: sticky;
        top: 100px;
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .sidebar-card {
        background: #fff;
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-card);
        padding: 20px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    }

    .sidebar-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-text-dark);
        margin-bottom: 14px;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--color-border-light);
        letter-spacing: 0.5px;
    }

    .sidebar-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .sidebar-list li {
        padding: 10px 0;
        border-bottom: 1px solid rgba(229, 225, 214, 0.6);
        font-size: 14px;
        color: var(--color-text-dark-muted);
        display: flex;
        align-items: flex-start;
        gap: 10px;
        line-height: 1.6;
    }

    .sidebar-list li:last-child {
        border-bottom: none;
    }

    .sidebar-list .list-num {
        font-family: var(--font-mono);
        font-weight: 700;
        color: var(--color-gold);
        font-size: 15px;
        flex-shrink: 0;
        min-width: 22px;
    }

    .sidebar-list li a {
        color: var(--color-text-dark-muted);
        transition: color var(--transition-fast);
    }

    .sidebar-list li a:hover {
        color: var(--color-gold);
    }

    .sidebar-cta {
        background: var(--color-deep-green);
        color: var(--color-text-light);
        padding: 20px;
        border-radius: var(--radius-card);
        text-align: center;
    }

    .sidebar-cta h4 {
        color: var(--color-text-light);
        font-size: 17px;
        margin-bottom: 8px;
        border-bottom: none;
        padding-bottom: 0;
    }

    .sidebar-cta p {
        font-size: 13px;
        color: var(--color-text-light-muted);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    /* ========== CTA Section ========== */
    .cta-section {
        background: var(--color-dark-secondary);
        padding-top: 64px;
        padding-bottom: 64px;
        border-top: 1px solid rgba(198, 161, 91, 0.2);
    }

    .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        flex-wrap: wrap;
    }

    .cta-content h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--color-text-light);
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .cta-content p {
        font-size: 16px;
        color: var(--color-text-light-muted);
        margin-bottom: 0;
        max-width: 600px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--color-deep-green);
        color: var(--color-text-light-muted);
        padding: 48px 0 24px;
        border-top: 1px solid rgba(198, 161, 91, 0.18);
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand .logo {
        font-size: 26px;
        margin-bottom: 12px;
        display: inline-block;
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.8;
        color: var(--color-text-light-muted);
        max-width: 280px;
    }

    .footer-col-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-text-light);
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }

    .footer-col-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .footer-col-links a {
        font-size: 13px;
        color: var(--color-text-light-muted);
        transition: color var(--transition-fast);
    }

    .footer-col-links a:hover {
        color: var(--color-gold);
    }

    .footer-bottom {
        border-top: 1px solid rgba(245, 243, 238, 0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px 20px;
        align-items: center;
        font-size: 12px;
        color: rgba(245, 243, 238, 0.5);
        justify-content: space-between;
    }

    .footer-bottom-links {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .footer-bottom-links a {
        color: rgba(245, 243, 238, 0.5);
        font-size: 12px;
        transition: color var(--transition-fast);
    }

    .footer-bottom-links a:hover {
        color: var(--color-gold);
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
        .main-nav {
            gap: 14px;
        }

        .article-grid {
            grid-template-columns: 1fr 260px;
            gap: 32px;
        }

        .footer-inner {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        section {
            padding-top: var(--section-gap-mobile);
            padding-bottom: var(--section-gap-mobile);
        }

        .site-header {
            height: 56px;
        }

        .header-inner {
            gap: 8px;
        }

        .logo {
            font-size: 20px;
        }

        .main-nav {
            display: none;
            position: absolute;
            top: 56px;
            left: 0;
            right: 0;
            background: var(--color-deep-green);
            flex-direction: column;
            padding: 16px;
            gap: 12px;
            border-bottom: 1px solid var(--color-gold);
            align-items: flex-start;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .main-nav.mobile-visible {
            display: flex;
        }

        .mobile-toggle {
            display: block;
        }

        .nav-chips {
            flex-wrap: wrap;
            gap: 4px;
        }

        .chip {
            font-size: 11px;
            padding: 3px 8px;
        }

        .page-hero {
            padding: 32px 0 28px;
        }

        .page-hero h1 {
            font-size: 30px;
            margin: 8px 0 12px;
        }

        .page-hero .hero-sub {
            font-size: 15px;
        }

        .article-section {
            padding-top: 32px;
            padding-bottom: 40px;
        }

        .article-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .article-sidebar {
            position: static;
            gap: 16px;
        }

        .article-body h2 {
            font-size: 24px;
            margin: 24px 0 12px;
        }

        .article-body h3 {
            font-size: 19px;
            margin: 20px 0 10px;
        }

        .article-body p {
            font-size: 15px;
        }

        .cta-section {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .cta-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
        }

        .cta-content h2 {
            font-size: 24px;
        }

        .cta-actions {
            width: 100%;
        }

        .cta-actions .btn {
            flex: 1;
        }

        .footer-inner {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
    }

/* roulang page: category4 */
:root {
            --color-deep-green: #0B1F1A;
            --color-dark-secondary: #111412;
            --color-ivory: #F4F1EA;
            --color-gold: #C6A15B;
            --color-light-gold: #E3CDA4;
            --color-warning: #B5443B;
            --color-text-light: #F5F3EE;
            --color-text-light-muted: rgba(245, 243, 238, 0.72);
            --color-text-dark: #1C2420;
            --color-text-dark-muted: rgba(28, 36, 32, 0.7);
            --color-border-dark: #2B3532;
            --color-border-light: #E5E1D6;
            --color-input-bg: #0F1513;
            --color-input-border: #3A4542;
            --radius-card: 6px;
            --radius-chip: 14px;
            --radius-btn: 4px;
            --radius-input: 2px;
            --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 180ms ease-out;
            --transition-mid: 220ms ease-out;
            --transition-slow: 260ms ease-out;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 56px;
            --section-gap-mobile: 44px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-dark);
            background-color: var(--color-deep-green);
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            height: 60px;
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-mid);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
            line-height: 1;
            transition: color var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .logo:hover {
            color: var(--color-gold);
        }

        .logo .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            margin-top: 2px;
            text-transform: uppercase;
            display: block;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: width var(--transition-fast);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-text-light);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .chip {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
            display: inline-flex;
            align-items: center;
            transition: all var(--transition-fast);
        }

        .chip-warmup {
            color: rgba(245, 243, 238, 0.5);
            border: 1px solid rgba(245, 243, 238, 0.3);
            background: transparent;
        }

        .chip-live {
            color: #111412;
            background: var(--color-gold);
            border: 1.5px solid var(--color-gold);
            box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.35);
            animation: pulse-gold 2.4s ease-in-out infinite;
        }

        @keyframes pulse-gold {
            0%, 100% { box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.35); }
            50% { box-shadow: 0 0 0 5px rgba(198, 161, 91, 0.12); }
        }

        .chip-replay {
            color: rgba(245, 243, 238, 0.55);
            background: rgba(245, 243, 238, 0.06);
            border: 1px solid rgba(245, 243, 238, 0.15);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text-light);
            margin: 5px 0;
            transition: all var(--transition-mid);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-panel {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            padding: 20px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 12px;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
        }

        .mobile-panel.open {
            display: flex;
        }

        .mobile-panel a {
            font-size: 16px;
            color: var(--color-text-light-muted);
            padding: 8px 0;
            border-bottom: 1px solid rgba(245, 243, 238, 0.08);
            transition: color var(--transition-fast);
        }

        .mobile-panel a:hover,
        .mobile-panel a.active {
            color: var(--color-gold);
        }

        .mobile-panel .nav-chips {
            margin-top: 8px;
            overflow-x: auto;
            flex-wrap: nowrap;
            gap: 8px;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--color-deep-green);
            padding-top: 32px;
            padding-bottom: 12px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb .separator {
            color: var(--color-light-gold);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-gold);
            font-weight: 600;
        }

        /* ========== Page Title Section ========== */
        .page-title-section {
            background: var(--color-deep-green);
            padding-top: 24px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(198, 161, 91, 0.15);
        }

        .page-title-grid {
            display: grid;
            grid-template-columns: 1fr 0.7fr;
            gap: 48px;
            align-items: start;
        }

        .page-title-text h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text-light);
            margin: 0 0 16px 0;
            letter-spacing: -0.5px;
        }

        .page-title-text .title-accent {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--color-gold);
            margin-bottom: 20px;
            border-radius: 2px;
        }

        .page-title-text .subtitle {
            font-size: 16px;
            color: var(--color-text-light-muted);
            line-height: 1.8;
            max-width: 560px;
            margin: 0;
        }

        .page-title-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            align-self: center;
        }

        .mini-stat-card {
            background: rgba(245, 243, 238, 0.04);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            text-align: center;
            transition: all var(--transition-mid);
        }

        .mini-stat-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-dark-hover);
        }

        .mini-stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.2;
        }

        .mini-stat-card .stat-label {
            font-size: 12px;
            color: var(--color-text-light-muted);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* ========== Filter Chips Section ========== */
        .filter-section {
            background: var(--color-ivory);
            padding-top: 32px;
            padding-bottom: 8px;
        }

        .filter-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-dark-muted);
            margin-right: 4px;
            letter-spacing: 0.5px;
        }

        .filter-chip {
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            color: var(--color-text-dark-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-gold);
            color: var(--color-text-dark);
        }

        .filter-chip.active {
            background: var(--color-gold);
            border-color: var(--color-gold);
            color: #111412;
            font-weight: 600;
        }

        /* ========== List Cards Section ========== */
        .list-cards-section {
            background: var(--color-ivory);
            padding-top: 24px;
            padding-bottom: var(--section-gap-desktop);
        }

        .list-cards-wrapper {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .list-card {
            display: grid;
            grid-template-columns: 220px 1fr auto;
            gap: 24px;
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
        }

        .list-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .list-card-thumb {
            width: 220px;
            height: 150px;
            border-radius: 4px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .list-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .list-card:hover .list-card-thumb img {
            transform: scale(1.04);
        }

        .list-card-body {
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 0;
        }

        .list-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .list-card-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            background: rgba(198, 161, 91, 0.12);
            color: #8A6A2F;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .list-card-tag.hot {
            background: rgba(181, 68, 59, 0.1);
            color: var(--color-warning);
        }

        .list-card-tag.trend {
            background: rgba(27, 80, 60, 0.1);
            color: #1B503C;
        }

        .list-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.3;
            margin: 0;
            transition: color var(--transition-fast);
        }

        .list-card:hover .list-card-title {
            color: #8A6A2F;
        }

        .list-card-desc {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--color-text-dark-muted);
            margin-top: auto;
        }

        .list-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .list-card-meta .meta-change {
            font-family: var(--font-mono);
            font-weight: 600;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 3px;
        }

        .meta-change.up {
            color: #1B503C;
        }

        .meta-change.down {
            color: var(--color-warning);
        }

        .list-card-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-light-gold);
            font-size: 22px;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .list-card:hover .list-card-arrow {
            color: var(--color-gold);
            transform: translateX(4px);
        }

        /* ========== Insight Section ========== */
        .insight-section {
            background: var(--color-dark-secondary);
        }

        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .insight-text h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 16px 0;
            line-height: 1.25;
        }

        .insight-text h2 .highlight {
            color: var(--color-gold);
        }

        .insight-text p {
            font-size: 15px;
            color: var(--color-text-light-muted);
            line-height: 1.85;
            margin: 0 0 12px 0;
            max-width: 520px;
        }

        .insight-visual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .insight-visual-card {
            background: rgba(245, 243, 238, 0.05);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-mid);
        }

        .insight-visual-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-dark-hover);
        }

        .insight-visual-card .ivc-label {
            font-size: 12px;
            color: var(--color-text-light-muted);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .insight-visual-card .ivc-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.3;
        }

        .insight-visual-card .ivc-note {
            font-size: 12px;
            color: var(--color-text-light-muted);
            margin-top: 4px;
        }

        /* ========== Service Note Section ========== */
        .service-note-section {
            background: var(--color-ivory);
        }

        .service-note-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-note-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
        }

        .service-note-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .service-note-card .snic-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #8A6A2F;
            margin-bottom: 14px;
            font-weight: 700;
        }

        .service-note-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 10px 0;
        }

        .service-note-card p {
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-deep-green);
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .cta-box {
            background: rgba(245, 243, 238, 0.03);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 8px 0;
        }

        .cta-box p {
            font-size: 14px;
            color: var(--color-text-light-muted);
            margin: 0;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #111412;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 2px 12px rgba(198, 161, 91, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-gold);
        }

        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.08);
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            background: var(--color-ivory);
            padding-bottom: var(--section-gap-desktop);
        }

        .faq-section .section-title {
            text-align: left;
            margin-bottom: 32px;
        }

        .faq-section .section-title h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 8px 0;
        }

        .faq-section .section-title .title-accent {
            display: inline-block;
            width: 36px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 2px;
            margin-bottom: 12px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-gold);
        }

        .faq-item.open {
            border-color: var(--color-gold);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            text-align: left;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }

        .faq-question .faq-arrow {
            font-size: 14px;
            color: var(--color-gold);
            transition: transform var(--transition-mid);
            flex-shrink: 0;
            font-weight: 700;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px 22px;
            font-size: 14px;
            color: var(--color-text-dark-muted);
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep-green);
            border-top: 1px solid rgba(198, 161, 91, 0.2);
            padding-top: 48px;
            padding-bottom: 20px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(245, 243, 238, 0.08);
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-links a {
            font-size: 13px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-col-links a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 12px;
            color: var(--color-text-light-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        .footer-bottom-links span {
            color: rgba(245, 243, 238, 0.3);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 14px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .nav-chips {
                gap: 4px;
            }
            .chip {
                font-size: 11px;
                padding: 3px 8px;
            }
            .page-title-text h1 {
                font-size: 38px;
            }
            .page-title-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-title-stats {
                grid-template-columns: repeat(4, 1fr);
            }
            .list-card {
                grid-template-columns: 170px 1fr auto;
                gap: 16px;
            }
            .list-card-thumb {
                width: 170px;
                height: 120px;
            }
            .insight-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .service-note-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cta-box {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-chips {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-title-text h1 {
                font-size: 32px;
            }
            .page-title-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .mini-stat-card .stat-value {
                font-size: 26px;
            }
            .list-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px;
            }
            .list-card-thumb {
                width: 100%;
                height: 180px;
            }
            .list-card-arrow {
                display: none;
            }
            .filter-row {
                gap: 6px;
            }
            .filter-chip {
                font-size: 12px;
                padding: 5px 12px;
            }
            .service-note-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
            .insight-text h2 {
                font-size: 26px;
            }
            .insight-visual {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .insight-visual-card .ivc-value {
                font-size: 22px;
            }
            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        @media (max-width: 520px) {
            .page-title-text h1 {
                font-size: 28px;
            }
            .page-title-stats {
                grid-template-columns: 1fr;
            }
            .list-card-thumb {
                height: 150px;
            }
            .list-card-title {
                font-size: 17px;
            }
            .list-card-desc {
                font-size: 13px;
            }
            .filter-section {
                padding-top: 20px;
            }
            .list-cards-section {
                padding-top: 16px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px 16px;
                font-size: 13px;
            }
            .cta-box {
                padding: 20px 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .insight-visual {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --color-deep-green: #0B1F1A;
            --color-dark-secondary: #111412;
            --color-ivory: #F4F1EA;
            --color-gold: #C6A15B;
            --color-light-gold: #E3CDA4;
            --color-warning: #B5443B;
            --color-text-light: #F5F3EE;
            --color-text-light-muted: rgba(245, 243, 238, 0.72);
            --color-text-dark: #1C2420;
            --color-text-dark-muted: rgba(28, 36, 32, 0.7);
            --color-border-dark: #2B3532;
            --color-border-light: #E5E1D6;
            --color-input-bg: #0F1513;
            --color-input-border: #3A4542;
            --radius-card: 6px;
            --radius-chip: 14px;
            --radius-btn: 4px;
            --radius-input: 2px;
            --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 180ms ease-out;
            --transition-mid: 220ms ease-out;
            --transition-slow: 260ms ease-out;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 56px;
            --section-gap-mobile: 44px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-dark);
            background-color: var(--color-deep-green);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            line-height: 1.35;
        }

        p {
            margin: 0;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-deep-green);
            border-bottom: 1px solid var(--color-gold);
            height: 60px;
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-mid);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
            min-width: 0;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            white-space: nowrap;
            line-height: 1;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-gold);
        }

        .logo .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            display: block;
            margin-top: 2px;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            min-width: 0;
            flex: 1;
            justify-content: center;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--color-gold);
            transition: width var(--transition-fast);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-text-light);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .chip {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
            display: inline-block;
            height: 28px;
        }

        .chip-preheat {
            border: 1px solid rgba(227, 205, 164, 0.35);
            color: rgba(245, 243, 238, 0.5);
            background: transparent;
        }

        .chip-live {
            background: var(--color-gold);
            color: #111412;
            border: 1.5px solid var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.25);
        }

        .chip-replay {
            background: rgba(17, 20, 18, 0.7);
            color: rgba(245, 243, 238, 0.55);
            border: 1px dashed rgba(245, 243, 238, 0.25);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border-dark);
            border-radius: 4px;
            width: 36px;
            height: 36px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            flex-shrink: 0;
            transition: border-color var(--transition-fast);
        }

        .nav-toggle:hover {
            border-color: var(--color-gold);
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--color-deep-green);
            padding: 20px 0 0;
            border-bottom: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb .separator {
            color: rgba(227, 205, 164, 0.5);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-gold);
            font-weight: 500;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            background: var(--color-deep-green);
            padding: 48px 0 36px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(227, 205, 164, 0.12);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
            -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
            mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .page-hero-badge {
            display: inline-block;
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid rgba(198, 161, 91, 0.4);
            color: var(--color-gold);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text-light);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-light-muted);
            max-width: 620px;
        }

        .page-hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .page-hero-meta span {
            font-size: 13px;
            color: var(--color-text-light-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .page-hero-meta .dot {
            width: 6px;
            height: 6px;
            background: var(--color-gold);
            border-radius: 50%;
            display: inline-block;
        }

        /* ========== Timeline Section ========== */
        .timeline-section {
            background: var(--color-dark-secondary);
            padding: 64px 0;
            position: relative;
        }

        .timeline-section-header {
            margin-bottom: 48px;
        }

        .section-label {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .section-label .bar {
            width: 3px;
            height: 22px;
            background: var(--color-gold);
            border-radius: 2px;
        }

        .section-label span {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .timeline-section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }

        .timeline-section-header .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 560px;
        }

        .timeline-wrap {
            position: relative;
            padding-left: 36px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, rgba(198, 161, 91, 0.6), rgba(227, 205, 164, 0.2), rgba(198, 161, 91, 0.4));
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 28px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -29px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-dark-secondary);
            border: 2px solid var(--color-gold);
            z-index: 2;
            transition: all var(--transition-fast);
        }

        .timeline-item:hover .timeline-dot {
            background: var(--color-gold);
            box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.2);
        }

        .timeline-dot.active-dot {
            background: var(--color-gold);
            box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.25);
        }

        .timeline-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-mid);
        }

        .timeline-card:hover {
            border-color: rgba(198, 161, 91, 0.5);
            box-shadow: var(--shadow-dark-hover);
            transform: translateY(-2px);
        }

        .timeline-time {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            background: rgba(198, 161, 91, 0.08);
            border: 1px solid rgba(198, 161, 91, 0.25);
            border-radius: var(--radius-chip);
            padding: 3px 12px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .timeline-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-light-muted);
        }

        .timeline-tag-group {
            display: flex;
            gap: 8px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .timeline-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            background: rgba(245, 243, 238, 0.05);
            border: 1px solid rgba(245, 243, 238, 0.1);
            border-radius: var(--radius-chip);
            padding: 3px 10px;
            letter-spacing: 0.3px;
        }

        /* ========== Stage Metrics ========== */
        .stage-metrics {
            background: var(--color-ivory);
            padding: 64px 0;
        }

        .stage-metrics-header {
            margin-bottom: 36px;
        }

        .stage-metrics-header .section-label span {
            color: #8a6a2f;
        }

        .stage-metrics-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 10px;
        }

        .stage-metrics-header .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-dark-muted);
            max-width: 560px;
        }

        .stage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .stage-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-mid);
        }

        .stage-card:hover {
            border-color: rgba(198, 161, 91, 0.6);
            box-shadow: var(--shadow-light-hover);
            transform: translateY(-2px);
        }

        .stage-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .stage-card-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
            line-height: 1.5;
        }

        .badge-warm {
            background: rgba(198, 161, 91, 0.12);
            color: #8a6a2f;
            border: 1px solid rgba(198, 161, 91, 0.35);
        }

        .badge-live {
            background: var(--color-gold);
            color: #111412;
            border: 1px solid var(--color-gold);
        }

        .badge-review {
            background: rgba(28, 36, 32, 0.08);
            color: var(--color-text-dark-muted);
            border: 1px solid rgba(28, 36, 32, 0.2);
        }

        .stage-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
        }

        .stage-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-dark-muted);
            margin-bottom: 16px;
        }

        .stage-stat {
            display: flex;
            align-items: baseline;
            gap: 8px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border-light);
        }

        .stage-stat .num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1;
        }

        .stage-stat .unit {
            font-size: 13px;
            color: var(--color-text-dark-muted);
        }

        /* ========== Data Points ========== */
        .data-points {
            background: var(--color-dark-secondary);
            padding: 64px 0;
        }

        .data-points-header {
            margin-bottom: 36px;
        }

        .data-points-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }

        .data-points-header .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 600px;
        }

        .data-points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-point-card {
            background: #141A18;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-mid);
        }

        .data-point-card:hover {
            border-color: rgba(198, 161, 91, 0.5);
            box-shadow: var(--shadow-dark-hover);
            transform: translateY(-2px);
        }

        .data-point-card .num {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-point-card .label {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            letter-spacing: 0.3px;
        }

        .data-point-card .desc {
            font-size: 12px;
            color: rgba(245, 243, 238, 0.45);
            margin-top: 6px;
            line-height: 1.6;
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            background: var(--color-ivory);
            padding: 64px 0;
        }

        .faq-header {
            margin-bottom: 36px;
        }

        .faq-header .section-label span {
            color: #8a6a2f;
        }

        .faq-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 10px;
        }

        .faq-header .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-dark-muted);
            max-width: 560px;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(198, 161, 91, 0.45);
            box-shadow: var(--shadow-light-hover);
        }

        .faq-item.open {
            border-color: rgba(198, 161, 91, 0.6);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            text-align: left;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: #8a6a2f;
        }

        .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 14px;
            transition: transform var(--transition-mid);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-dark-muted);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-deep-green);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .cta-info p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 480px;
            margin-bottom: 24px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-mid);
            border: 1px solid transparent;
            line-height: 1.5;
            text-align: center;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #111412;
            border-color: var(--color-gold);
        }

        .btn-primary:hover {
            background: #d4b06b;
            border-color: #d4b06b;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(198, 161, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-text-light);
            border-color: rgba(227, 205, 164, 0.5);
        }

        .btn-outline-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            transform: translateY(-1px);
        }

        .cta-form-card {
            background: rgba(17, 20, 18, 0.85);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(6px);
        }

        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: var(--color-input-bg);
            border: 1px solid var(--color-input-border);
            border-radius: var(--radius-input);
            color: var(--color-text-light);
            font-family: var(--font-sans);
            font-size: 14px;
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            line-height: 1.5;
            -webkit-appearance: none;
            appearance: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(245, 243, 238, 0.4);
            font-size: 14px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.25);
            outline: none;
        }

        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23C6A15B' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
            cursor: pointer;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-submit {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .form-hint {
            font-size: 12px;
            color: rgba(245, 243, 238, 0.45);
            line-height: 1.6;
            max-width: 260px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep-green);
            border-top: 1px solid rgba(227, 205, 164, 0.15);
            padding: 48px 0 24px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text-light);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 8px;
        }

        .footer-brand .logo .logo-sub {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 3px;
            display: block;
            margin-top: 2px;
            text-transform: uppercase;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: var(--color-text-light-muted);
            max-width: 300px;
            margin-top: 10px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-links a,
        .footer-col-links span {
            font-size: 13px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
            line-height: 1.6;
            display: block;
        }

        .footer-col-links a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(227, 205, 164, 0.1);
            font-size: 12px;
            color: rgba(245, 243, 238, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: rgba(245, 243, 238, 0.45);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 14px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .nav-chips {
                gap: 4px;
            }
            .chip {
                font-size: 11px;
                padding: 3px 8px;
            }
            .stage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--color-deep-green);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px 20px;
                gap: 12px;
                border-bottom: 1px solid var(--color-gold);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
                z-index: 999;
                overflow-y: auto;
                max-height: calc(100vh - 56px);
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                font-size: 15px;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid rgba(245, 243, 238, 0.06);
            }
            .nav-chips {
                padding-top: 8px;
                width: 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .chip {
                flex-shrink: 0;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero {
                padding: 32px 0 24px;
            }
            .page-hero::before {
                width: 100%;
                opacity: 0.06;
            }
            .timeline-section,
            .stage-metrics,
            .data-points,
            .faq-section,
            .cta-section {
                padding: 44px 0;
            }
            .timeline-wrap {
                padding-left: 24px;
            }
            .timeline-wrap::before {
                left: 8px;
            }
            .timeline-item {
                padding-left: 18px;
                margin-bottom: 24px;
            }
            .timeline-dot {
                left: -20px;
                width: 11px;
                height: 11px;
                top: 5px;
            }
            .timeline-section-header h2,
            .stage-metrics-header h2,
            .data-points-header h2,
            .faq-header h2,
            .cta-info h2 {
                font-size: 24px;
            }
            .stage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
            }
            .cta-form-card {
                padding: 20px;
            }
            .form-submit {
                flex-direction: column;
                align-items: stretch;
            }
            .form-hint {
                max-width: 100%;
            }
            .breadcrumb-section {
                padding: 14px 0 0;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 5px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .data-points-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .timeline-card h3 {
                font-size: 16px;
            }
            .timeline-card p {
                font-size: 13px;
            }
            .stage-card {
                padding: 18px;
            }
            .stage-stat .num {
                font-size: 26px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .form-group input,
            .form-group select,
            .form-group textarea {
                font-size: 13px;
                padding: 9px 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category6 */
:root {
        --color-deep-green: #0B1F1A;
        --color-dark-secondary: #111412;
        --color-ivory: #F4F1EA;
        --color-gold: #C6A15B;
        --color-light-gold: #E3CDA4;
        --color-warning: #B5443B;
        --color-text-light: #F5F3EE;
        --color-text-light-muted: rgba(245, 243, 238, 0.72);
        --color-text-dark: #1C2420;
        --color-text-dark-muted: rgba(28, 36, 32, 0.7);
        --color-border-dark: #2B3532;
        --color-border-light: #E5E1D6;
        --color-input-bg: #0F1513;
        --color-input-border: #3A4542;
        --radius-card: 6px;
        --radius-chip: 14px;
        --radius-btn: 4px;
        --radius-input: 2px;
        --shadow-dark-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
        --shadow-light-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
        --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
        --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        --transition-fast: 180ms ease-out;
        --transition-mid: 220ms ease-out;
        --transition-slow: 260ms ease-out;
        --section-gap-desktop: 80px;
        --section-gap-tablet: 56px;
        --section-gap-mobile: 44px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-text-dark);
        background-color: var(--color-deep-green);
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-fast);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-gold);
        outline-offset: 2px;
    }
    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    section {
        padding-top: var(--section-gap-desktop);
        padding-bottom: var(--section-gap-desktop);
    }

    /* ========== Header / Navigation ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--color-deep-green);
        border-bottom: 1px solid var(--color-gold);
        height: 62px;
        display: flex;
        align-items: center;
        transition: box-shadow var(--transition-mid);
    }
    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 18px;
    }
    .logo {
        font-size: 24px;
        font-weight: 800;
        color: var(--color-text-light);
        letter-spacing: 1px;
        white-space: nowrap;
        line-height: 1;
        transition: color var(--transition-fast);
        flex-shrink: 0;
    }
    .logo:hover {
        color: var(--color-gold);
    }
    .logo .logo-sub {
        font-size: 10px;
        font-weight: 400;
        color: var(--color-text-light-muted);
        letter-spacing: 3px;
        display: block;
        margin-top: 3px;
        text-transform: uppercase;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        flex: 1;
        justify-content: center;
    }
    .main-nav::-webkit-scrollbar {
        display: none;
    }
    .main-nav a {
        font-size: 13px;
        font-weight: 500;
        color: var(--color-text-light-muted);
        white-space: nowrap;
        padding: 6px 1px 5px;
        position: relative;
        letter-spacing: 0.5px;
        transition: color var(--transition-fast);
    }
    .main-nav a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 1px;
        background: var(--color-gold);
        transition: width var(--transition-fast);
    }
    .main-nav a:hover,
    .main-nav a.active {
        color: var(--color-text-light);
    }
    .main-nav a:hover::after,
    .main-nav a.active::after {
        width: 100%;
    }
    .nav-chips {
        display: flex;
        gap: 6px;
        align-items: center;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .chip {
        font-size: 11px;
        font-weight: 600;
        padding: 4px 11px;
        border-radius: var(--radius-chip);
        letter-spacing: 0.5px;
        line-height: 1.5;
        display: inline-flex;
        align-items: center;
        gap: 5px;
        transition: all var(--transition-fast);
    }
    .chip-warmup {
        border: 1px solid var(--color-border-dark);
        color: rgba(245, 243, 238, 0.5);
        background: transparent;
    }
    .chip-live {
        background: var(--color-gold);
        color: #111412;
        border: 1.5px solid var(--color-gold);
        box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.18);
    }
    .chip-replay {
        background: #1A2420;
        color: rgba(245, 243, 238, 0.5);
        border: 1px solid #2B3532;
        background-image: repeating-linear-gradient(45deg, rgba(198, 161, 91, 0.06) 0, rgba(198, 161, 91, 0.06) 1px, transparent 1px, transparent 4px);
    }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        flex-direction: column;
        gap: 5px;
        flex-shrink: 0;
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--color-text-light);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }
    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-nav-panel {
        display: none;
        position: fixed;
        top: 62px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-deep-green);
        z-index: 999;
        padding: 24px 20px 32px;
        overflow-y: auto;
        border-top: 1px solid var(--color-gold);
    }
    .mobile-nav-panel.open {
        display: block;
    }
    .mobile-nav-panel .mobile-nav-links {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .mobile-nav-panel .mobile-nav-links a {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-text-light);
        padding: 14px 4px;
        border-bottom: 1px solid var(--color-border-dark);
        transition: color var(--transition-fast), padding-left var(--transition-fast);
    }
    .mobile-nav-panel .mobile-nav-links a:hover,
    .mobile-nav-panel .mobile-nav-links a.active {
        color: var(--color-gold);
        padding-left: 10px;
    }
    .mobile-nav-panel .mobile-chips {
        display: flex;
        gap: 8px;
        margin-top: 20px;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    /* ========== Breadcrumb ========== */
    .breadcrumb-area {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-light-muted);
        padding: 14px 0 0;
    }
    .breadcrumb-area a {
        color: var(--color-text-light-muted);
        transition: color var(--transition-fast);
    }
    .breadcrumb-area a:hover {
        color: var(--color-gold);
    }
    .breadcrumb-area .sep {
        color: var(--color-gold);
        font-size: 11px;
    }
    .breadcrumb-area .current {
        color: var(--color-gold);
        font-weight: 500;
    }

    /* ========== Page Hero (Category 6) ========== */
    .page-hero {
        background: var(--color-deep-green);
        padding-top: 28px;
        padding-bottom: 56px;
        border-bottom: 1px solid rgba(198, 161, 91, 0.25);
        position: relative;
        overflow: hidden;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        right: -80px;
        top: 30px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        border: 1px solid rgba(198, 161, 91, 0.12);
        pointer-events: none;
    }
    .page-hero .hero-flex {
        display: flex;
        align-items: center;
        gap: 48px;
        position: relative;
        z-index: 1;
    }
    .page-hero .hero-text {
        flex: 1;
    }
    .page-hero .hero-text h1 {
        font-size: 44px;
        font-weight: 800;
        letter-spacing: -0.5px;
        line-height: 1.15;
        color: var(--color-text-light);
        margin-bottom: 16px;
    }
    .page-hero .hero-text h1 .gold {
        color: var(--color-gold);
    }
    .page-hero .hero-sub {
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-text-light-muted);
        max-width: 560px;
        margin-bottom: 24px;
    }
    .page-hero .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .page-hero .hero-img-wrap {
        flex-shrink: 0;
        width: 340px;
        max-width: 40%;
    }
    .page-hero .hero-img-wrap img {
        border-radius: var(--radius-card);
        border: 1px solid var(--color-border-dark);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    /* ========== Buttons ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.5px;
        padding: 11px 22px;
        border-radius: var(--radius-btn);
        border: none;
        cursor: pointer;
        transition: all var(--transition-fast);
        line-height: 1.4;
        text-align: center;
        justify-content: center;
    }
    .btn-gold {
        background: var(--color-gold);
        color: #111412;
    }
    .btn-gold:hover {
        background: #d4b268;
        color: #111412;
        transform: translateY(-1px);
    }
    .btn-outline {
        background: transparent;
        color: var(--color-gold);
        border: 1px solid var(--color-gold);
    }
    .btn-outline:hover {
        background: rgba(198, 161, 91, 0.08);
        transform: translateY(-1px);
    }
    .btn-ghost {
        background: transparent;
        color: var(--color-text-light);
        border: 1px solid rgba(245, 243, 238, 0.25);
    }
    .btn-ghost:hover {
        background: rgba(245, 243, 238, 0.06);
        border-color: rgba(245, 243, 238, 0.5);
        transform: translateY(-1px);
    }

    /* ========== Support Overview ========== */
    .support-overview {
        background: var(--color-ivory);
        padding-top: 64px;
        padding-bottom: 64px;
    }
    .support-overview .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 32px;
        flex-wrap: wrap;
    }
    .support-overview .section-head h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--color-text-dark);
        letter-spacing: -0.3px;
    }
    .support-overview .section-head .head-line {
        width: 48px;
        height: 3px;
        background: var(--color-gold);
        margin-bottom: 4px;
        border-radius: 2px;
    }
    .support-overview .section-head p {
        font-size: 14px;
        color: var(--color-text-dark-muted);
        max-width: 420px;
    }
    .support-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .support-card {
        background: #FFFFFF;
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-card);
        padding: 22px 18px;
        transition: all var(--transition-mid);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .support-card:hover {
        border-color: var(--color-gold);
        box-shadow: var(--shadow-light-hover);
        transform: translateY(-2px);
    }
    .support-card .card-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-card);
        overflow: hidden;
        margin-bottom: 4px;
    }
    .support-card .card-icon img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .support-card h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-text-dark);
        line-height: 1.4;
    }
    .support-card p {
        font-size: 13px;
        color: var(--color-text-dark-muted);
        line-height: 1.6;
    }
    .support-card .card-link {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-gold);
        margin-top: auto;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* ========== FAQ Area ========== */
    .faq-area {
        background: var(--color-ivory);
        padding-top: 0;
        padding-bottom: 72px;
    }
    .faq-area .faq-head {
        margin-bottom: 28px;
    }
    .faq-area .faq-head h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-text-dark);
        letter-spacing: -0.3px;
    }
    .faq-area .faq-head p {
        font-size: 14px;
        color: var(--color-text-dark-muted);
        margin-top: 6px;
    }
    .faq-accordion {
        list-style: none;
        margin: 0;
        padding: 0;
        max-width: 860px;
    }
    .faq-accordion .accordion-item {
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-card);
        margin-bottom: 10px;
        background: #FFFFFF;
        overflow: hidden;
        transition: box-shadow var(--transition-mid), border-color var(--transition-mid);
    }
    .faq-accordion .accordion-item:hover {
        box-shadow: var(--shadow-light-hover);
        border-color: rgba(198, 161, 91, 0.5);
    }
    .faq-accordion .accordion-item.is-active {
        border-color: var(--color-gold);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    }
    .faq-accordion .accordion-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-dark);
        padding: 18px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: none;
        border: none;
        cursor: pointer;
        transition: color var(--transition-fast);
    }
    .faq-accordion .accordion-title:hover {
        color: var(--color-gold);
    }
    .faq-accordion .accordion-title .faq-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(198, 161, 91, 0.1);
        color: var(--color-gold);
        font-size: 12px;
        font-weight: 700;
        margin-right: 12px;
        flex-shrink: 0;
    }
    .faq-accordion .accordion-title .faq-text-wrap {
        flex: 1;
        text-align: left;
        display: flex;
        align-items: center;
    }
    .faq-accordion .accordion-title .faq-arrow {
        flex-shrink: 0;
        font-size: 12px;
        color: var(--color-gold);
        transition: transform var(--transition-mid);
    }
    .faq-accordion .accordion-item.is-active .faq-arrow {
        transform: rotate(180deg);
    }
    .faq-accordion .accordion-content {
        padding: 0 20px 18px 60px;
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-dark-muted);
        display: none;
    }
    .faq-accordion .accordion-item.is-active .accordion-content {
        display: block;
    }

    /* ========== Contact + Form ========== */
    .contact-form-section {
        background: var(--color-dark-secondary);
        padding-top: 64px;
        padding-bottom: 64px;
        border-top: 1px solid rgba(198, 161, 91, 0.15);
    }
    .contact-form-section .cf-grid {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 40px;
        align-items: start;
    }
    .contact-form-section .cf-info h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-text-light);
        letter-spacing: -0.3px;
        margin-bottom: 14px;
    }
    .contact-form-section .cf-info > p {
        font-size: 14px;
        color: var(--color-text-light-muted);
        line-height: 1.8;
        margin-bottom: 24px;
    }
    .contact-card {
        background: var(--color-deep-green);
        border: 1px solid var(--color-border-dark);
        border-radius: var(--radius-card);
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .contact-card .contact-row {
        display: flex;
        align-items: flex-start;
        gap: 12px;
    }
    .contact-card .contact-row .contact-label {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-gold);
        min-width: 72px;
        flex-shrink: 0;
        letter-spacing: 0.5px;
        margin-top: 2px;
    }
    .contact-card .contact-row .contact-val {
        font-size: 13px;
        color: var(--color-text-light-muted);
        line-height: 1.6;
        word-break: break-all;
    }
    .contact-card .contact-note {
        font-size: 12px;
        color: rgba(245, 243, 238, 0.45);
        padding-top: 12px;
        border-top: 1px solid var(--color-border-dark);
        line-height: 1.6;
    }
    .cf-form-wrap {
        background: var(--color-deep-green);
        border: 1px solid var(--color-border-dark);
        border-radius: var(--radius-card);
        padding: 28px 24px;
    }
    .cf-form-wrap h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--color-text-light);
        margin-bottom: 18px;
    }
    .cf-form {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .cf-form .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .cf-form label {
        display: block;
        font-size: 12px;
        font-weight: 600;
        color: var(--color-text-light-muted);
        letter-spacing: 0.5px;
        margin-bottom: 5px;
    }
    .cf-form input,
    .cf-form select,
    .cf-form textarea {
        width: 100%;
        background: var(--color-input-bg);
        border: 1px solid var(--color-input-border);
        border-radius: var(--radius-input);
        padding: 10px 12px;
        font-size: 14px;
        font-family: var(--font-sans);
        color: var(--color-text-light);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        outline: none;
    }
    .cf-form input:focus,
    .cf-form select:focus,
    .cf-form textarea:focus {
        border-color: var(--color-gold);
        box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.2);
    }
    .cf-form input::placeholder,
    .cf-form textarea::placeholder {
        color: rgba(245, 243, 238, 0.35);
        font-size: 13px;
    }
    .cf-form select {
        appearance: none;
        -webkit-appearance: none;
        background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23E3CDA4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 34px;
        cursor: pointer;
    }
    .cf-form select option {
        background: var(--color-deep-green);
        color: var(--color-text-light);
    }
    .cf-form textarea {
        resize: vertical;
        min-height: 100px;
    }
    .cf-form .form-submit-row {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
        margin-top: 4px;
    }
    .cf-form .privacy-note {
        font-size: 11px;
        color: rgba(245, 243, 238, 0.4);
        line-height: 1.5;
        flex: 1;
        min-width: 200px;
    }

    /* ========== Service Guarantee ========== */
    .guarantee-bar {
        background: var(--color-deep-green);
        padding: 28px 0;
        border-top: 1px solid rgba(198, 161, 91, 0.15);
    }
    .guarantee-inner {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .guarantee-item {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .guarantee-item .g-number {
        font-family: var(--font-mono);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-gold);
        line-height: 1;
    }
    .guarantee-item .g-label {
        font-size: 13px;
        color: var(--color-text-light-muted);
        line-height: 1.5;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--color-deep-green);
        border-top: 1px solid rgba(198, 161, 91, 0.2);
        padding: 48px 0 24px;
    }
    .footer-inner {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 28px;
    }
    .footer-brand .logo {
        font-size: 22px;
        font-weight: 800;
        color: var(--color-text-light);
        letter-spacing: 1px;
        line-height: 1;
        display: inline-block;
        margin-bottom: 12px;
    }
    .footer-brand .logo .logo-sub {
        font-size: 10px;
        font-weight: 400;
        color: var(--color-text-light-muted);
        letter-spacing: 3px;
        display: block;
        margin-top: 3px;
        text-transform: uppercase;
    }
    .footer-brand p {
        font-size: 13px;
        color: var(--color-text-light-muted);
        line-height: 1.7;
        max-width: 320px;
    }
    .footer-col-title {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-light);
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .footer-col-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col-links a {
        font-size: 13px;
        color: var(--color-text-light-muted);
        transition: color var(--transition-fast);
    }
    .footer-col-links a:hover {
        color: var(--color-gold);
    }
    .footer-col-links span {
        font-size: 13px;
        color: var(--color-text-light-muted);
    }
    .footer-bottom {
        border-top: 1px solid rgba(198, 161, 91, 0.15);
        padding-top: 18px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px 20px;
        font-size: 12px;
        color: rgba(245, 243, 238, 0.4);
    }
    .footer-bottom-links {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-bottom-links a {
        color: rgba(245, 243, 238, 0.45);
        transition: color var(--transition-fast);
    }
    .footer-bottom-links a:hover {
        color: var(--color-gold);
    }

    /* ========== Responsive ========== */
    @media screen and (max-width: 1024px) {
        .container {
            padding-left: 20px;
            padding-right: 20px;
        }
        .main-nav {
            gap: 14px;
        }
        .main-nav a {
            font-size: 12px;
        }
        .nav-chips .chip {
            font-size: 10px;
            padding: 3px 8px;
        }
        .page-hero .hero-text h1 {
            font-size: 36px;
        }
        .page-hero .hero-img-wrap {
            width: 260px;
        }
        .support-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .contact-form-section .cf-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .guarantee-inner {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-inner {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media screen and (max-width: 768px) {
        .site-header {
            height: 56px;
        }
        .header-inner {
            gap: 10px;
        }
        .logo {
            font-size: 20px;
        }
        .logo .logo-sub {
            font-size: 9px;
            letter-spacing: 2px;
        }
        .main-nav {
            display: none;
        }
        .nav-chips {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .mobile-nav-panel {
            top: 56px;
        }
        .page-hero .hero-flex {
            flex-direction: column;
            align-items: flex-start;
            gap: 24px;
        }
        .page-hero .hero-text h1 {
            font-size: 30px;
        }
        .page-hero .hero-img-wrap {
            width: 100%;
            max-width: 100%;
        }
        .page-hero .hero-img-wrap img {
            max-height: 220px;
            width: 100%;
            object-fit: cover;
        }
        .support-grid {
            grid-template-columns: 1fr;
        }
        .faq-accordion .accordion-content {
            padding-left: 20px;
            padding-right: 16px;
        }
        .faq-accordion .accordion-title .faq-num {
            width: 24px;
            height: 24px;
            font-size: 11px;
            margin-right: 8px;
        }
        .cf-form .form-row {
            grid-template-columns: 1fr;
        }
        .guarantee-inner {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .guarantee-item .g-number {
            font-size: 22px;
        }
        .footer-inner {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .footer-bottom-links {
            margin-left: 0;
        }
        section {
            padding-top: var(--section-gap-mobile);
            padding-bottom: var(--section-gap-mobile);
        }
        .support-overview {
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .faq-area {
            padding-bottom: 48px;
        }
        .contact-form-section {
            padding-top: 40px;
            padding-bottom: 40px;
        }
    }
    @media screen and (max-width: 520px) {
        .container {
            padding-left: 14px;
            padding-right: 14px;
        }
        .page-hero .hero-text h1 {
            font-size: 26px;
        }
        .page-hero .hero-sub {
            font-size: 14px;
        }
        .support-overview .section-head h2 {
            font-size: 24px;
        }
        .faq-area .faq-head h2 {
            font-size: 24px;
        }
        .contact-form-section .cf-info h2 {
            font-size: 24px;
        }
        .guarantee-inner {
            grid-template-columns: 1fr;
        }
        .btn {
            font-size: 13px;
            padding: 9px 16px;
        }
    }