/* roulang page: index */
:root {
            --bg-primary: #1A0F14;
            --bg-secondary: #141E2A;
            --accent-copper: #B88A3E;
            --accent-gold: #D4A94F;
            --accent-goldlight: #E8C97A;
            --accent-red: #8E3B2F;
            --text-primary: #F5F1E6;
            --text-secondary: #D9D3C2;
            --text-muted: #A39B86;
            --border-gold: rgba(184, 138, 62, 0.20);
            --border-gold-strong: rgba(184, 138, 62, 0.60);
            --radius-card: 10px;
            --radius-lg: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.5);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-secondary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button, input {
            font-family: inherit;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid rgba(184, 138, 62, 0.60);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26, 15, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 138, 62, 0.15);
            transition: background var(--transition);
        }

        .site-header.scrolled {
            background: rgba(26, 15, 20, 0.98);
            border-bottom-color: rgba(184, 138, 62, 0.30);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-copper), var(--accent-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A0F14;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 14px;
            color: var(--text-secondary);
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color 0.2s, border-color 0.2s;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            border-bottom-color: rgba(184, 138, 62, 0.40);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }

        .nav-cta {
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            background: var(--accent-copper);
            color: #1A0F14;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent-gold);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(184, 138, 62, 0.35);
        }

        .hamburger {
            display: none;
            background: none;
            border: 1px solid rgba(184, 138, 62, 0.40);
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--text-primary);
            cursor: pointer;
            font-size: 18px;
            transition: border-color 0.2s;
        }

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

        .mobile-menu {
            display: none;
            background: rgba(26, 15, 20, 0.98);
            border-bottom: 1px solid rgba(184, 138, 62, 0.20);
            padding: 16px 0;
        }

        .mobile-menu.active {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all 0.2s;
        }

        .mobile-menu a:hover, .mobile-menu a.active {
            color: var(--accent-gold);
            border-left-color: var(--accent-gold);
            background: rgba(184, 138, 62, 0.05);
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/c8bc0b7a56b857f3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding-top: 80px;
            padding-bottom: 80px;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 15, 20, 0.88) 0%, rgba(20, 30, 42, 0.75) 50%, rgba(26, 15, 20, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .hero-left h1 .accent {
            color: var(--accent-gold);
            display: block;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--accent-copper);
            color: #1A0F14;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 138, 62, 0.40);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(184, 138, 62, 0.60);
            color: var(--accent-gold);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(184, 138, 62, 0.10);
            transform: translateY(-2px);
        }

        .trust-badges {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(184, 138, 62, 0.30);
            background: rgba(26, 15, 20, 0.70);
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .trust-badge i {
            color: var(--accent-gold);
            font-size: 11px;
        }

        .hero-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .quick-entry {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 20px 16px;
            border-radius: var(--radius-card);
            background: rgba(26, 15, 20, 0.75);
            border: 1px solid rgba(184, 138, 62, 0.25);
            transition: all var(--transition);
            cursor: pointer;
            text-align: left;
            min-height: 110px;
            justify-content: center;
        }

        .quick-entry:hover {
            border-color: rgba(184, 138, 62, 0.60);
            background: rgba(26, 15, 20, 0.90);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .quick-entry-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(184, 138, 62, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 14px;
            margin-bottom: 6px;
        }

        .quick-entry-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .quick-entry-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section Base */
        .section {
            padding-top: 70px;
            padding-bottom: 70px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            display: block;
            width: 4px;
            height: 28px;
            background: linear-gradient(180deg, var(--accent-copper), var(--accent-gold));
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .section-alt {
            background-color: var(--bg-secondary);
        }

        /* Card */
        .card {
            background: #20151C;
            border: 1px solid rgba(184, 138, 62, 0.20);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .card:hover {
            border-color: rgba(184, 138, 62, 0.60);
            box-shadow: var(--shadow-hover), 0 0 20px rgba(184, 138, 62, 0.10);
            transform: translateY(-4px);
        }

        .card-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #1E2530;
            position: relative;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .card:hover .card-image img {
            transform: scale(1.05);
        }

        .card-body {
            padding: 18px;
        }

        .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 500;
            border: 1px solid rgba(184, 138, 62, 0.40);
            background: rgba(26, 15, 20, 0.80);
            color: var(--accent-gold);
        }

        .badge-hot {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #F5F1E6;
            font-weight: 600;
        }

        /* Data Bar */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-item {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-card);
            background: rgba(26, 15, 20, 0.70);
            border: 1px solid rgba(184, 138, 62, 0.18);
        }

        .data-number {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .data-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-item {
            padding: 24px 20px;
            border-radius: var(--radius-card);
            background: #20151C;
            border: 1px solid rgba(184, 138, 62, 0.20);
            transition: all var(--transition);
            position: relative;
        }

        .step-item:hover {
            border-color: rgba(184, 138, 62, 0.50);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(184, 138, 62, 0.12);
            border: 2px solid var(--accent-copper);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* List */
        .list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            border-radius: var(--radius-card);
            background: rgba(26, 15, 20, 0.60);
            border-left: 3px solid transparent;
            margin-bottom: 10px;
            transition: all var(--transition);
        }

        .list-item:hover {
            border-left-color: var(--accent-gold);
            background: rgba(26, 15, 20, 0.85);
            transform: translateX(4px);
        }

        .list-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .list-item-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(184, 138, 62, 0.20);
            border-radius: var(--radius-card);
            background: #20151C;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            transition: all var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            background: rgba(184, 138, 62, 0.06);
        }

        .faq-question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-icon {
            color: var(--accent-gold);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
        }

        /* Guarantee Strip */
        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(184, 138, 62, 0.08), rgba(26, 15, 20, 0.60));
            border: 1px solid rgba(184, 138, 62, 0.25);
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(184, 138, 62, 0.12);
            border: 1px solid rgba(184, 138, 62, 0.40);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 16px;
            flex-shrink: 0;
        }

        .guarantee-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* Form */
        .form-container {
            max-width: 520px;
            margin: 0 auto;
        }

        .form-input {
            width: 100%;
            padding: 13px 16px;
            border-radius: var(--radius-btn);
            background: #20151C;
            border: 1px solid rgba(184, 138, 62, 0.30);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
            margin-bottom: 14px;
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .form-input:focus {
            border-color: rgba(184, 138, 62, 0.80);
            outline: none;
            box-shadow: 0 0 0 3px rgba(184, 138, 62, 0.15);
        }

        /* Footer */
        .site-footer {
            background: #110A0E;
            border-top: 1px solid rgba(184, 138, 62, 0.15);
            padding-top: 48px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-links li {
            margin-bottom: 8px;
            list-style: none;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(184, 138, 62, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-left h1 {
                font-size: 36px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: inline-flex;
            }

            .hero {
                min-height: 60vh;
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .hero-left h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-right {
                grid-template-columns: 1fr 1fr;
            }

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

            .section-title {
                font-size: 22px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .data-number {
                font-size: 36px;
            }

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

            .guarantee-strip {
                grid-template-columns: 1fr;
                padding: 24px 18px;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-right {
                grid-template-columns: 1fr;
            }

            .quick-entry {
                min-height: auto;
                padding: 16px;
            }

            .hero-left h1 {
                font-size: 26px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary, .btn-secondary {
                justify-content: center;
            }

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

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

            .trust-badges {
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #1A0F14;
            --bg-secondary: #141E2A;
            --accent-copper: #B88A3E;
            --accent-gold: #D4A94F;
            --accent-goldlight: #E8C97A;
            --accent-red: #8E3B2F;
            --text-primary: #F5F1E6;
            --text-secondary: #D9D3C2;
            --text-muted: #A39B86;
            --border-gold: rgba(184, 138, 62, 0.20);
            --border-gold-strong: rgba(184, 138, 62, 0.60);
            --radius-card: 10px;
            --radius-lg: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.5);
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-secondary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            min-height: 100vh;
        }

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

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

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

        button, input {
            font-family: inherit;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid rgba(184, 138, 62, 0.60);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26, 15, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 138, 62, 0.15);
            transition: background var(--transition);
        }

        .site-header.scrolled {
            background: rgba(26, 15, 20, 0.98);
            border-bottom-color: rgba(184, 138, 62, 0.30);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-copper), var(--accent-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A0F14;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 14px;
            color: var(--text-secondary);
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color 0.2s, border-color 0.2s;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            border-bottom-color: rgba(184, 138, 62, 0.40);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }

        .nav-cta {
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            background: var(--accent-copper);
            color: #1A0F14;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .nav-cta:hover {
            background: var(--accent-gold);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(184, 138, 62, 0.35);
        }

        .hamburger {
            display: none;
            background: none;
            border: 1px solid rgba(184, 138, 62, 0.40);
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--text-primary);
            cursor: pointer;
            font-size: 18px;
            transition: border-color 0.2s;
        }

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

        .mobile-menu {
            display: none;
            background: rgba(26, 15, 20, 0.98);
            border-bottom: 1px solid rgba(184, 138, 62, 0.20);
            padding: 16px 0;
        }

        .mobile-menu.active {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all 0.2s;
        }

        .mobile-menu a:hover, .mobile-menu a.active {
            color: var(--accent-gold);
            border-left-color: var(--accent-gold);
            background: rgba(184, 138, 62, 0.05);
        }

        /* ===== Category Hero Banner ===== */
        .cat-hero {
            position: relative;
            background-image: url('/assets/images/c8bc0b7a56b857f3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(184, 138, 62, 0.25);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 15, 20, 0.85) 0%, rgba(20, 30, 42, 0.72) 50%, rgba(26, 15, 20, 0.90) 100%);
            z-index: 1;
        }

        .cat-hero-content {
            position: relative;
            z-index: 2;
            padding-top: 50px;
            padding-bottom: 50px;
            max-width: 800px;
        }

        .cat-hero-content h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin: 0 0 14px 0;
        }

        .cat-hero-content .cat-hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 20px 0;
            max-width: 650px;
        }

        .cat-hero-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--accent-gold);
            transition: color 0.2s;
        }

        .cat-hero-back:hover {
            color: var(--accent-goldlight);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-secondary);
        }

        .section-head {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 28px;
            background: linear-gradient(180deg, var(--accent-copper), var(--accent-gold));
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-note {
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        /* ===== Category Entry Shortcut ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }

        .entry-card {
            background: #20151C;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .entry-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            background: #241820;
        }

        .entry-card .entry-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(184, 138, 62, 0.12);
            border: 1px solid rgba(184, 138, 62, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            color: var(--accent-gold);
            font-size: 16px;
            transition: all var(--transition);
        }

        .entry-card:hover .entry-icon {
            background: rgba(184, 138, 62, 0.22);
            border-color: var(--accent-gold);
            color: var(--accent-goldlight);
        }

        .entry-card .entry-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }

        /* ===== Video Card Grid ===== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .video-card {
            background: #20151C;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .video-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .video-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #1A0F14;
        }

        .video-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .video-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .video-card .card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(142, 59, 47, 0.92);
            color: #F5F1E6;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.02em;
        }

        .video-card .card-body {
            padding: 16px 18px 18px;
        }

        .video-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px 0;
            line-height: 1.4;
        }

        .video-card .card-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 12px 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .video-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .video-card .card-meta .meta-icon {
            color: var(--accent-gold);
        }

        /* ===== Data Strip ===== */
        .data-strip {
            background: linear-gradient(135deg, #1A0F14 0%, #20151C 50%, #141E2A 100%);
            border: 1px solid rgba(184, 138, 62, 0.22);
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-card);
        }

        .data-item {
            text-align: center;
            position: relative;
        }

        .data-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 50px;
            background: rgba(184, 138, 62, 0.25);
        }

        .data-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .data-num .data-unit {
            font-size: 20px;
            font-weight: 600;
        }

        .data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        /* ===== Hot Recommend Strip ===== */
        .hot-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .hot-card {
            background: #20151C;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            cursor: pointer;
        }

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

        .hot-card .hot-cover {
            width: 72px;
            height: 54px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .hot-card .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-card .hot-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 3px 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-card .hot-tag {
            font-size: 12px;
            color: var(--accent-gold);
            font-weight: 600;
        }

        .hot-rank {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(184, 138, 62, 0.14);
            border: 1px solid rgba(184, 138, 62, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ===== Update Timeline ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 18px;
            border-bottom: 1px solid rgba(184, 138, 62, 0.10);
            transition: all 0.2s;
            cursor: pointer;
        }

        .update-item:first-child {
            border-top: 1px solid rgba(184, 138, 62, 0.10);
        }

        .update-item:hover {
            background: rgba(184, 138, 62, 0.04);
            border-left: 3px solid var(--accent-gold);
            padding-left: 15px;
        }

        .update-item .update-time {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 60px;
            font-variant-numeric: tabular-nums;
        }

        .update-item .update-title {
            font-size: 15px;
            color: var(--text-primary);
            flex: 1;
            line-height: 1.4;
        }

        .update-item .update-badge {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 4px;
            background: rgba(184, 138, 62, 0.14);
            color: var(--accent-gold);
            border: 1px solid rgba(184, 138, 62, 0.30);
            font-weight: 500;
            white-space: nowrap;
        }

        .update-item .update-badge.hot {
            background: rgba(142, 59, 47, 0.20);
            color: #E8C97A;
            border-color: rgba(142, 59, 47, 0.45);
        }

        /* ===== Guide Section ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: #20151C;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .guide-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-hover);
        }

        .guide-card .guide-num {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(184, 138, 62, 0.14);
            border: 1px solid rgba(184, 138, 62, 0.40);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .guide-card .guide-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px 0;
        }

        .guide-card .guide-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, rgba(184, 138, 62, 0.12) 0%, rgba(26, 15, 20, 0.95) 45%, rgba(20, 30, 42, 0.95) 100%);
            border: 1px solid rgba(184, 138, 62, 0.30);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .cta-banner .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-banner .cta-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px 0;
            line-height: 1.3;
        }

        .cta-banner .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .btn-primary {
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--accent-copper);
            color: #1A0F14;
            font-weight: 700;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 138, 62, 0.35);
        }

        .btn-outline {
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(184, 138, 62, 0.60);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            background: rgba(184, 138, 62, 0.10);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #161015;
            border-top: 1px solid rgba(184, 138, 62, 0.15);
            padding: 56px 0 24px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px 0;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(184, 138, 62, 0.12);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== More Button ===== */
        .more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        .btn-more {
            padding: 10px 32px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(184, 138, 62, 0.45);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-more:hover {
            border-color: var(--accent-gold);
            background: rgba(184, 138, 62, 0.08);
            transform: translateY(-1px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .data-item:not(:last-child)::after {
                display: none;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-hero-content h1 {
                font-size: 30px;
            }
            .section {
                padding: 55px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .hot-strip {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cat-hero {
                min-height: 280px;
            }
            .cat-hero-content h1 {
                font-size: 26px;
            }
            .cat-hero-content .cat-hero-sub {
                font-size: 15px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .data-num {
                font-size: 38px;
            }
            .cta-banner {
                padding: 32px 24px;
                text-align: center;
                justify-content: center;
            }
            .cta-banner .cta-title {
                font-size: 20px;
            }
            .update-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .update-item .update-title {
                min-width: 100%;
                order: 3;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .entry-card {
                padding: 14px 10px;
            }
            .entry-card .entry-name {
                font-size: 12px;
            }
            .cat-hero-content h1 {
                font-size: 22px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }
            .data-num {
                font-size: 32px;
            }
            .data-label {
                font-size: 11px;
            }
            .hot-card .hot-cover {
                width: 56px;
                height: 42px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }