/* roulang page: index */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: #94A3B8;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
        }
        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }
        .nav-search input::placeholder {
            color: #94A3B8;
        }
        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }
        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }
        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }
        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }
        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }
        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 6px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-menu a {
            display: block;
            padding: 10px 14px;
            color: #CBD5E1;
            font-size: 0.95rem;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--vivid-orange);
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-secondary {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-inner {
                justify-content: space-between;
            }
            .nav-right {
                gap: 8px;
            }
            .btn-nav-primary {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
        }
        @media (max-width: 520px) {
            .btn-nav-primary {
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 22px;
                height: 22px;
            }
        }

        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            margin-top: 0;
            padding-top: 64px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.82) 0%, rgba(11, 29, 58, 0.7) 40%, rgba(0, 0, 0, 0.5) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            padding: 40px 24px;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: 1px;
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: #CBD5E1;
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-form-wrap {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 480px;
            margin: 0 auto 20px;
        }
        .hero-form-wrap input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
            backdrop-filter: blur(4px);
        }
        .hero-form-wrap input::placeholder {
            color: #CBD5E1;
        }
        .hero-form-wrap input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.2);
        }
        .hero-form-wrap button {
            padding: 14px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.35);
        }
        .hero-form-wrap button:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 22px rgba(255, 95, 31, 0.45);
            transform: translateY(-2px);
        }
        .hero-form-wrap button:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.5);
        }
        .hero-meta {
            font-size: 0.85rem;
            color: #94A3B8;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 75vh;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-form-wrap {
                flex-direction: column;
                align-items: center;
            }
            .hero-form-wrap input {
                width: 100%;
                min-width: auto;
            }
            .hero-form-wrap button {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-section {
                min-height: 65vh;
            }
        }

        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 12px;
            text-align: center;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #E2E8F0;
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-icon.orange {
            background: #FFF0E8;
            color: var(--vivid-orange);
        }
        .card-icon.teal {
            background: #E6FAF8;
            color: var(--teal-accent);
        }
        .card-icon.navy {
            background: #E8EDF5;
            color: var(--deep-navy);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 24px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }
        .btn-secondary {
            display: inline-block;
            padding: 10px 22px;
            background: #FFFFFF;
            color: var(--deep-navy);
            border: 2px solid var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
        }
        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--vivid-orange);
            color: var(--vivid-orange);
        }
        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.25);
        }

        .kpi-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            text-align: center;
        }
        .kpi-item .kpi-number {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1.1;
        }
        .kpi-item .kpi-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .kpi-row {
                gap: 24px;
            }
            .kpi-item .kpi-number {
                font-size: 2.2rem;
            }
        }

        .brand-intro-block {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.85;
            font-size: 1.02rem;
            color: var(--text-primary);
        }
        .brand-intro-block h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 16px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                padding: 24px 18px;
                font-size: 0.95rem;
            }
        }

        .news-layout {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .news-list {
            flex: 2;
            min-width: 280px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid #E2E8F0;
            align-items: flex-start;
            transition: background var(--transition-fast);
        }
        .news-item:hover {
            background: #FAFBFC;
            border-radius: 8px;
            padding-left: 8px;
            margin-left: -8px;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: #F1F5F9;
            padding: 6px 10px;
            border-radius: 6px;
            text-align: center;
            min-width: 70px;
            line-height: 1.3;
            white-space: nowrap;
        }
        .news-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .news-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0 0 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-info .read-more {
            font-size: 0.85rem;
            color: var(--vivid-orange);
            font-weight: 500;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-info .read-more:hover {
            color: var(--orange-dark);
            text-decoration: underline;
        }
        .news-sidebar {
            flex: 1;
            min-width: 220px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            align-self: flex-start;
            position: sticky;
            top: 80px;
        }
        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 14px;
        }
        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #F1F5F9;
            font-size: 0.9rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-sidebar ul li:hover {
            color: var(--vivid-orange);
        }
        @media (max-width: 768px) {
            .news-layout {
                flex-direction: column;
            }
            .news-sidebar {
                position: static;
                margin-top: 20px;
            }
        }

        .deep-content-card {
            display: flex;
            gap: 32px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 32px;
            transition: all var(--transition-fast);
        }
        .deep-content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .deep-content-card .dc-image {
            flex: 0 0 38%;
            min-width: 260px;
            overflow: hidden;
        }
        .deep-content-card .dc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .deep-content-card:hover .dc-image img {
            transform: scale(1.04);
        }
        .deep-content-card .dc-text {
            flex: 1;
            padding: 28px 24px 28px 8px;
        }
        .deep-content-card .dc-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .deep-content-card .dc-text p {
            font-size: 0.98rem;
            color: var(--text-primary);
            line-height: 1.8;
            margin: 0;
        }
        @media (max-width: 768px) {
            .deep-content-card {
                flex-direction: column;
            }
            .deep-content-card .dc-image {
                flex: 0 0 auto;
                min-width: auto;
                max-height: 220px;
            }
            .deep-content-card .dc-text {
                padding: 20px 18px;
            }
            .deep-content-card .dc-text h3 {
                font-size: 1.25rem;
            }
        }

        .highlight-card-row {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 8px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .highlight-card-row::-webkit-scrollbar {
            height: 4px;
        }
        .highlight-card-row::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 4px;
        }
        .highlight-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .highlight-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .highlight-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .highlight-card .hl-info {
            padding: 16px;
        }
        .highlight-card .hl-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .highlight-card .hl-info span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            padding: 4px 0;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 16px 8px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--vivid-orange);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            color: var(--vivid-orange);
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 8px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 16px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-grid ul li a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .badge-hot {
            display: inline-block;
            background: var(--teal-accent);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            vertical-align: middle;
            margin-left: 6px;
        }
        .tag-orange {
            display: inline-block;
            background: #FFF0E8;
            color: var(--vivid-orange);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 14px;
            margin-right: 6px;
        }

/* roulang page: category3 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: #94A3B8;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #CBD5E1;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .mobile-menu.show {
            display: flex;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-right .btn-nav-secondary {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .nav-right .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
            }
        }

        .hero-community {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            margin-top: 64px;
            overflow: hidden;
        }

        .hero-community::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.82) 0%, rgba(11, 29, 58, 0.7) 40%, rgba(0, 0, 0, 0.55) 100%);
            z-index: 1;
        }

        .hero-community-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 24px;
        }

        .hero-community h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: 1px;
        }

        .hero-community .hero-subtitle {
            font-size: 1.2rem;
            color: #CBD5E1;
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-community .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .hero-community .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 20px 28px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            min-width: 120px;
        }

        .hero-community .hero-stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1;
            margin-bottom: 6px;
        }

        .hero-community .hero-stat-label {
            font-size: 0.9rem;
            color: #CBD5E1;
            font-weight: 500;
        }

        .hero-community .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            padding: 16px 36px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1.1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.35);
            letter-spacing: 0.5px;
        }

        .btn-hero-primary:hover {
            background: var(--orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 95, 31, 0.45);
        }

        .btn-hero-secondary {
            padding: 16px 36px;
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            font-size: 1.1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-hero-primary:focus,
        .btn-hero-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.4);
        }

        @media (max-width: 768px) {
            .hero-community {
                min-height: 75vh;
            }
            .hero-community h1 {
                font-size: 2rem;
            }
            .hero-community .hero-subtitle {
                font-size: 1rem;
            }
            .hero-community .hero-stats {
                gap: 16px;
            }
            .hero-community .hero-stat-item {
                padding: 14px 18px;
                min-width: 90px;
            }
            .hero-community .hero-stat-number {
                font-size: 1.8rem;
            }
            .hero-community .hero-stat-label {
                font-size: 0.8rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 14px 28px;
                font-size: 1rem;
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
            .hero-community .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--deep-navy);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        .card-feature {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
            border: 1px solid transparent;
        }

        .card-feature:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-light);
        }

        .card-feature .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 180, 166, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--teal-accent);
        }

        .card-feature h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 8px;
        }

        .card-feature p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .stats-bar {
            background: var(--deep-navy);
            padding: 48px 0;
            margin: 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-grid .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stats-grid .stat-item .stat-label {
            font-size: 0.95rem;
            color: #CBD5E1;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-grid .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        .topic-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border-left: 4px solid var(--vivid-orange);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .topic-card .topic-rank {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--vivid-orange);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
            line-height: 1;
        }

        .topic-card .topic-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 4px;
        }

        .topic-card .topic-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .topic-card .topic-meta {
            font-size: 0.8rem;
            color: #94A3B8;
            display: flex;
            gap: 16px;
        }

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

        .deep-content-block {
            display: grid;
            grid-template-columns: 40% 60%;
            gap: 40px;
            align-items: center;
            background: var(--card-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-content-block .dc-image {
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }

        .deep-content-block .dc-text {
            padding: 36px 36px 36px 8px;
        }

        .deep-content-block .dc-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 16px;
        }

        .deep-content-block .dc-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .deep-content-block .dc-image {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                min-height: 220px;
                width: 100%;
            }
            .deep-content-block .dc-text {
                padding: 24px;
            }
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            position: relative;
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .flow-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .flow-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--vivid-orange);
            color: #FFFFFF;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            line-height: 1;
        }

        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin-bottom: 6px;
        }

        .flow-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 480px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        .faq-section .faq-item {
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .faq-section .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 16px;
            background: transparent;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--deep-navy);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .faq-section .faq-question:hover {
            color: var(--vivid-orange);
        }

        .faq-section .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--vivid-orange);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-section .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 16px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-section .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 16px 18px;
        }

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

        .cta-section {
            background: linear-gradient(135deg, var(--deep-navy) 0%, #152A4A 100%);
            padding: 60px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: #CBD5E1;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta {
            padding: 16px 40px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1.1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.35);
            letter-spacing: 0.5px;
            display: inline-block;
        }

        .cta-section .btn-cta:hover {
            background: var(--orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 95, 31, 0.45);
        }

        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #94A3B8;
            line-height: 2;
        }

        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #CBD5E1;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        section {
            padding: 56px 0;
        }

        @media (max-width: 768px) {
            section {
                padding: 36px 0;
            }
        }

        .badge-hot {
            display: inline-block;
            background: #FFF0EB;
            color: var(--vivid-orange);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .badge-new {
            display: inline-block;
            background: #E6FAF8;
            color: var(--teal-accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .tag {
            display: inline-block;
            background: #F1F5F9;
            color: var(--text-secondary);
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 20px;
            margin: 3px 4px;
            transition: all var(--transition-fast);
        }

        .tag:hover {
            background: #E2E8F0;
            color: var(--deep-navy);
        }

/* roulang page: category2 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 12px;
            color: #94A3B8;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
            background: rgba(255, 95, 31, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .mobile-menu a {
            display: block;
            padding: 10px 14px;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        /* 板块通用 */
        .section-padding {
            padding: 64px 0;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--deep-navy);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .accent-line {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--vivid-orange);
            border-radius: 2px;
            margin-bottom: 12px;
        }

        /* 卡片 */
        .card-base {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.25);
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .btn-secondary {
            display: inline-block;
            padding: 10px 24px;
            background: transparent;
            color: var(--deep-navy);
            border: 2px solid var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--vivid-orange);
            color: var(--vivid-orange);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.3);
        }

        .btn-teal {
            display: inline-block;
            padding: 10px 22px;
            background: var(--teal-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-teal:hover {
            background: #009a8e;
            box-shadow: 0 4px 14px rgba(0, 180, 166, 0.35);
            transform: translateY(-1px);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 180, 166, 0.1);
            color: var(--teal-accent);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.2px;
        }

        .tag-orange {
            background: rgba(255, 95, 31, 0.1);
            color: var(--vivid-orange);
        }

        .tag-navy {
            background: rgba(11, 29, 58, 0.06);
            color: var(--deep-navy);
        }

        /* 进度条 */
        .progress-bar-wrap {
            background: #E2E8F0;
            border-radius: 10px;
            height: 12px;
            overflow: hidden;
            width: 100%;
        }

        .progress-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--vivid-orange), var(--teal-accent));
            transition: width 1.2s ease;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--vivid-orange);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: none;
            border: none;
            padding: 8px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--vivid-orange);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 4px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 8px 4px 16px;
        }

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

        /* Hero */
        .hero-section {
            min-height: 82vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            margin-top: 64px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.88) 0%, rgba(11, 29, 58, 0.7) 50%, rgba(21, 42, 74, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* 页脚 */
        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--vivid-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #94A3B8;
            line-height: 2;
        }

        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--vivid-orange);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 9px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 130px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-secondary {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-right {
                gap: 6px;
            }
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .hero-section {
                min-height: 60vh;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 22px;
                height: 22px;
            }
            .btn-nav-primary {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-section {
                min-height: 50vh;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .btn-primary {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* 导航栏 */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: #94A3B8;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-secondary {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-right {
                gap: 6px;
            }
            .nav-inner {
                padding: 0 16px;
            }
        }

        @media (max-width: 640px) {
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                width: 22px;
                height: 22px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            margin-top: 0;
            padding-top: 64px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 29, 58, 0.78) 0%, rgba(11, 29, 58, 0.65) 40%, rgba(11, 29, 58, 0.82) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 24px;
            max-width: 800px;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: var(--vivid-orange);
            color: #FFFFFF;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 95, 31, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 95, 31, 0);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .countdown-bar {
            background: rgba(0, 0, 0, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            padding: 18px 28px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .countdown-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .countdown-digits {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-digit {
            background: var(--vivid-orange);
            color: #FFFFFF;
            font-size: 1.6rem;
            font-weight: 700;
            min-width: 44px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            letter-spacing: 1px;
        }

        .countdown-separator {
            color: #FFFFFF;
            font-size: 1.4rem;
            font-weight: 700;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-hero-primary {
            padding: 14px 32px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.35);
            letter-spacing: 0.5px;
        }

        .btn-hero-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 22px rgba(255, 95, 31, 0.5);
            transform: translateY(-2px);
        }

        .btn-hero-secondary {
            padding: 14px 32px;
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-hero-primary:focus,
        .btn-hero-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.45);
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-bar {
                padding: 14px 18px;
                gap: 10px;
            }
            .countdown-digit {
                font-size: 1.3rem;
                min-width: 36px;
                height: 42px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-section {
                min-height: 75vh;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .countdown-digit {
                font-size: 1.1rem;
                min-width: 30px;
                height: 36px;
            }
            .countdown-label {
                font-size: 0.78rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }

        /* 板块间距 */
        .section-padding {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
        }

        /* 卡片 */
        .card-custom {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .card-image-top {
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            overflow: hidden;
            margin: -28px -28px 20px -28px;
        }

        .card-image-top img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .card-custom:hover .card-image-top img {
            transform: scale(1.04);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(255, 95, 31, 0.25);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 18px rgba(255, 95, 31, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.45);
        }

        .btn-secondary {
            display: inline-block;
            padding: 11px 26px;
            background: #FFFFFF;
            color: var(--deep-navy);
            border: 2px solid var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--navy-light);
            transform: translateY(-2px);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(11, 29, 58, 0.2);
        }

        .btn-teal {
            display: inline-block;
            padding: 10px 22px;
            background: var(--teal-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-teal:hover {
            background: #009a8e;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(0, 180, 166, 0.35);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .tag-orange {
            background: #FFF3ED;
            color: #E04E10;
        }

        .tag-teal {
            background: #E6FAF8;
            color: #009a8e;
        }

        .tag-navy {
            background: #E8EDF4;
            color: #0B1D3A;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1;
            letter-spacing: -0.5px;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 2.2rem;
            }
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F0F4F8;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 1.1rem;
            font-weight: 700;
        }

        .faq-item.active .faq-icon {
            background: var(--vivid-orange);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

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

        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* 时间线 */
        .timeline-item {
            position: relative;
            padding-left: 40px;
            padding-bottom: 32px;
            border-left: 3px solid var(--border-light);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }

        .timeline-dot {
            position: absolute;
            left: -11px;
            top: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--vivid-orange);
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 3px var(--vivid-orange);
        }

        .timeline-item:nth-child(even) .timeline-dot {
            background: var(--teal-accent);
            box-shadow: 0 0 0 3px var(--teal-accent);
        }

        /* CTA板块 */
        .cta-section {
            background: var(--deep-navy);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 95, 31, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(0, 180, 166, 0.06);
            pointer-events: none;
        }

        /* 页脚 */
        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 28px;
            font-size: 0.88rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--vivid-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            align-items: center;
            color: #94A3B8;
            font-size: 0.8rem;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--vivid-orange);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* 深度内容区 */
        .deep-content-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px;
            border: 1px solid var(--border-light);
            line-height: 1.85;
        }

        .deep-content-card h2 {
            font-size: 1.6rem;
            color: var(--deep-navy);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .deep-content-card p {
            color: var(--text-secondary);
            margin-bottom: 14px;
            font-size: 0.98rem;
        }

        @media (max-width: 768px) {
            .deep-content-card {
                padding: 24px;
            }
            .deep-content-card h2 {
                font-size: 1.3rem;
            }
        }

        /* 场景卡片 */
        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--teal-accent);
            transform: translateY(-3px);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .scenario-icon.orange-bg {
            background: #FFF3ED;
            color: var(--vivid-orange);
        }

        .scenario-icon.teal-bg {
            background: #E6FAF8;
            color: var(--teal-accent);
        }

        .scenario-icon.navy-bg {
            background: #E8EDF4;
            color: var(--deep-navy);
        }

/* roulang page: category6 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-logo-icon svg {
            width: 100%;
            height: 100%;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 12px;
            color: #94A3B8;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
            background: rgba(255, 95, 31, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 170px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 0;
            padding-top: 64px;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.82) 0%, rgba(11, 29, 58, 0.7) 50%, rgba(21, 42, 74, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 24px;
            color: #FFFFFF;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 95, 31, 0.2);
            border: 1px solid rgba(255, 95, 31, 0.4);
            color: var(--vivid-orange);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 700;
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.5px;
        }

        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            padding: 14px 32px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.35);
        }

        .btn-hero-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 22px rgba(255, 95, 31, 0.5);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            padding: 14px 32px;
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        /* 板块通用 */
        .section-block {
            padding: 72px 0;
        }

        .section-block.bg-white {
            background-color: #FFFFFF;
        }

        .section-block.bg-soft {
            background-color: var(--soft-gray);
        }

        .section-block.bg-navy {
            background-color: var(--deep-navy);
            color: #FFFFFF;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--deep-navy);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 48px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .bg-navy .section-title {
            color: #FFFFFF;
        }

        .bg-navy .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 卡片 */
        .card-partner {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .card-partner:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--teal-accent);
        }

        .card-partner .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 180, 166, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
            color: var(--teal-accent);
            flex-shrink: 0;
        }

        .card-partner h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin: 0 0 8px;
        }

        .card-partner p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* 案例卡片 */
        .card-case {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .card-case:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .card-case .case-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

        .card-case .case-body {
            padding: 20px;
        }

        .card-case .case-tag {
            display: inline-block;
            background: rgba(0, 180, 166, 0.1);
            color: var(--teal-accent);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .card-case h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .card-case p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* 流程步骤 */
        .step-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1 1 200px;
            max-width: 240px;
            text-align: center;
            padding: 20px;
            position: relative;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--vivid-orange);
            color: #FFFFFF;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            flex-shrink: 0;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin: 0 0 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* 数据条 */
        .stat-bar-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .stat-bar-item {
            flex: 1 1 180px;
            max-width: 220px;
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-bar-item .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-bar-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--deep-navy);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--vivid-orange);
            font-size: 0.9rem;
        }

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

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

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

        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-navy) 0%, var(--navy-light) 100%);
            padding: 64px 0;
            text-align: center;
            color: #FFFFFF;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta {
            padding: 14px 36px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1.05rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.4);
            display: inline-block;
        }

        .btn-cta:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 24px rgba(255, 95, 31, 0.55);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .footer-global {
            background-color: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--vivid-orange);
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 24px 0;
            max-width: 1280px;
            margin: 0 auto;
            font-size: 0.85rem;
            color: #94A3B8;
            line-height: 1.8;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--vivid-orange);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-secondary {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .step-row {
                gap: 12px;
            }
            .step-item {
                flex: 1 1 160px;
                max-width: 180px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 55vh;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .card-partner {
                padding: 20px 16px;
            }
            .step-row {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                max-width: 100%;
                flex: 1 1 auto;
            }
            .stat-bar-row {
                gap: 16px;
            }
            .stat-bar-item {
                flex: 1 1 140px;
                max-width: 160px;
            }
            .stat-bar-item .stat-number {
                font-size: 1.8rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-bar-item {
                flex: 1 1 120px;
                max-width: 140px;
                padding: 16px 10px;
            }
            .stat-bar-item .stat-number {
                font-size: 1.5rem;
            }
            .card-case .case-body {
                padding: 14px;
            }
            .container-custom {
                padding: 0 12px;
            }
            .section-title {
                font-size: 1.25rem;
            }
        }

/* roulang page: category4 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --gold-accent: #D4A853;
            --premium-bg: #FEFDF8;
            --highlight-badge: #FFF3E6;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: #94A3B8;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
            background: rgba(255, 95, 31, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
        }

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

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-right {
                gap: 6px;
            }
            .nav-search input {
                width: 130px;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .mobile-menu-toggle {
                display: block;
            }
        }

        @media (max-width: 640px) {
            .nav-search {
                display: none;
            }
            .btn-nav-secondary {
                display: none;
            }
            .nav-inner {
                padding: 0 12px;
            }
            .nav-logo {
                font-size: 1.15rem;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
            }
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
        }

        .card-base {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(255, 95, 31, 0.25);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 18px rgba(255, 95, 31, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.35);
        }

        .btn-secondary {
            display: inline-block;
            padding: 11px 26px;
            background: transparent;
            color: var(--deep-navy);
            border: 2px solid var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--navy-light);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(11, 29, 58, 0.2);
        }

        .btn-gold {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #D4A853, #C8963E);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(212, 168, 83, 0.35);
            cursor: pointer;
        }

        .btn-gold:hover {
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.5);
            transform: translateY(-2px);
        }

        .badge-hot {
            display: inline-block;
            padding: 4px 12px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

        .badge-recommend {
            display: inline-block;
            padding: 5px 14px;
            background: var(--teal-accent);
            color: #FFFFFF;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .badge-premium {
            display: inline-block;
            padding: 5px 14px;
            background: linear-gradient(135deg, #D4A853, #B8862D);
            color: #FFFFFF;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.88) 0%, rgba(11, 29, 58, 0.72) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .flash-bar {
            background: linear-gradient(90deg, #FF5F1F, #E04E10, #FF5F1F);
            background-size: 200% 100%;
            animation: shimmer-bar 3s ease-in-out infinite;
            padding: 14px 28px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            box-shadow: 0 4px 20px rgba(255, 95, 31, 0.35);
        }

        @keyframes shimmer-bar {
            0%,
            100% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
        }

        .flash-bar .flash-label {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .flash-bar .countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.15rem;
        }

        .countdown-item {
            background: rgba(0, 0, 0, 0.3);
            padding: 5px 10px;
            border-radius: 6px;
            min-width: 36px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-family: "SF Mono", "Consolas", "Monaco", monospace;
        }

        .countdown-sep {
            font-weight: 700;
            font-size: 1.1rem;
        }

        .tier-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
            position: relative;
            border: 2px solid transparent;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .tier-card.recommended {
            border-color: var(--vivid-orange);
            box-shadow: 0 6px 24px rgba(255, 95, 31, 0.18);
            transform: scale(1.03);
            z-index: 2;
        }

        .tier-card.recommended:hover {
            transform: scale(1.03) translateY(-6px);
            box-shadow: 0 12px 32px rgba(255, 95, 31, 0.25);
        }

        .tier-card.premium {
            border-color: #D4A853;
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.2);
            background: var(--premium-bg);
        }

        .tier-card.premium:hover {
            box-shadow: 0 12px 32px rgba(212, 168, 83, 0.3);
        }

        @media (max-width: 768px) {
            .tier-card.recommended {
                transform: scale(1);
            }
            .tier-card.recommended:hover {
                transform: translateY(-6px);
            }
        }

        .tier-header {
            padding: 28px 24px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
        }

        .tier-header.recommended-header {
            background: linear-gradient(180deg, #FFF8F3 0%, #FFFFFF 100%);
        }

        .tier-header.premium-header {
            background: linear-gradient(180deg, #FEFDF8 0%, #FFFEF9 100%);
        }

        .tier-body {
            padding: 24px;
        }

        .tier-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--deep-navy);
            text-align: center;
            margin: 16px 0;
        }

        .tier-price .currency {
            font-size: 1.1rem;
            font-weight: 600;
            vertical-align: top;
            margin-top: 6px;
            display: inline-block;
        }

        .tier-price .period {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .tier-price .original {
            font-size: 1rem;
            color: #94A3B8;
            text-decoration: line-through;
            margin-left: 8px;
            font-weight: 400;
        }

        .tier-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .tier-feature-list li {
            padding: 10px 0;
            border-bottom: 1px solid #F1F5F9;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

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

        .tier-feature-list .check-icon {
            color: var(--teal-accent);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .tier-feature-list .cross-icon {
            color: #CBD5E1;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--card-white);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #CBD5E1;
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 16px;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--vivid-orange);
            transition: transform var(--transition-smooth);
            font-size: 1.2rem;
            font-weight: 700;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            margin: 0;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 10px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
        }

        .footer-bottom p {
            margin: 6px 0;
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom a {
            color: #94A3B8;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .hero-section {
                min-height: 400px;
            }
            .flash-bar {
                padding: 10px 16px;
                gap: 8px;
                font-size: 0.85rem;
            }
            .flash-bar .flash-label {
                font-size: 0.85rem;
            }
            .flash-bar .countdown {
                font-size: 0.95rem;
            }
            .countdown-item {
                padding: 4px 7px;
                min-width: 28px;
                font-size: 0.85rem;
            }
            .tier-price {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .hero-section {
                min-height: 340px;
            }
            .flash-bar {
                flex-direction: column;
                text-align: center;
                padding: 12px;
            }
        }

        .step-indicator {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--deep-navy);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .step-line {
            flex: 1;
            min-width: 40px;
            height: 3px;
            background: var(--border-light);
            position: relative;
            z-index: 1;
        }

        .step-line.filled {
            background: var(--vivid-orange);
        }

        @media (max-width: 640px) {
            .step-indicator {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
                padding-left: 24px;
            }
            .step-line {
                width: 3px;
                height: 28px;
                min-width: 3px;
                flex: none;
                margin-left: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 12px;
            color: #94A3B8;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 170px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #94A3B8;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active-mobile {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active-mobile {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(255, 95, 31, 0.3);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 6px 18px rgba(255, 95, 31, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 95, 31, 0.4);
        }

        .btn-secondary {
            display: inline-block;
            padding: 10px 24px;
            border: 2px solid var(--deep-navy);
            background: transparent;
            color: var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--vivid-orange);
            color: var(--vivid-orange);
        }

        .card-base {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-fast);
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--deep-navy);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--vivid-orange);
            border-radius: 2px;
            margin-bottom: 0.75rem;
        }

        .accent-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 180, 166, 0.1);
            color: var(--teal-accent);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            cursor: pointer;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            gap: 16px;
            user-select: none;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 95, 31, 0.1);
            color: var(--vivid-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
            font-weight: 700;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--vivid-orange);
            color: #FFFFFF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }

        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--vivid-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #94A3B8;
            line-height: 2;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--vivid-orange);
        }

        .hero-academy {
            background: linear-gradient(135deg, #0B1D3A 0%, #152A4A 40%, #1a3d5c 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
            border-bottom: 3px solid var(--vivid-orange);
        }

        .hero-academy::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-academy .hero-content {
            position: relative;
            z-index: 1;
            max-width: 1280px;
            margin: 0 auto;
            padding: 40px 24px;
            width: 100%;
        }

        .hero-academy .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 95, 31, 0.2);
            color: var(--vivid-orange);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 95, 31, 0.3);
        }

        .hero-academy h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .hero-academy .hero-desc {
            font-size: 1.1rem;
            color: #cbd5e1;
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .deep-content-block {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
            margin-bottom: 24px;
        }

        .deep-content-block h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--deep-navy);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content-block p {
            font-size: 1rem;
            color: var(--text-primary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-block .highlight-box {
            background: #F0F9F8;
            border-left: 4px solid var(--teal-accent);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 16px 0;
            font-size: 0.95rem;
            color: #0d5c55;
            line-height: 1.7;
        }

        .stat-block {
            text-align: center;
            padding: 24px 16px;
        }

        .stat-block .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--vivid-orange);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .content-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .content-list-item:hover {
            background: #f8fafc;
            padding-left: 8px;
            border-radius: 8px;
        }

        .content-list-item .list-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            min-width: 90px;
            padding-top: 2px;
        }

        .content-list-item .list-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .content-list-item .list-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0 0 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-list-item .list-info .read-more {
            font-size: 0.85rem;
            color: var(--vivid-orange);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .content-list-item .list-info .read-more:hover {
            color: var(--orange-dark);
        }

        .step-flow {
            display: flex;
            gap: 0;
            align-items: stretch;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 28px 16px;
            position: relative;
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--vivid-orange);
            color: #FFFFFF;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--deep-navy);
            margin: 0 0 8px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-academy h1 {
                font-size: 2rem;
            }
            .step-flow {
                flex-direction: column;
                gap: 16px;
            }
            .step-item {
                min-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nav-right .btn-nav-secondary {
                display: none;
            }
            .nav-right .btn-nav-primary {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .hero-academy {
                min-height: 280px;
            }
            .hero-academy h1 {
                font-size: 1.6rem;
            }
            .hero-academy .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-block {
                padding: 20px;
            }
            .deep-content-block h3 {
                font-size: 1.2rem;
            }
            .stat-block .stat-number {
                font-size: 2.2rem;
            }
            .content-list-item {
                flex-direction: column;
                gap: 6px;
            }
            .content-list-item .list-date {
                min-width: auto;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-academy h1 {
                font-size: 1.35rem;
            }
            .hero-academy .hero-desc {
                font-size: 0.85rem;
            }
            .btn-primary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .card-base {
                padding: 16px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
            }
        }

/* roulang page: category7 */
:root {
            --deep-navy: #0B1D3A;
            --vivid-orange: #FF5F1F;
            --teal-accent: #00B4A6;
            --soft-gray: #F5F7FA;
            --card-white: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --orange-dark: #E04E10;
            --navy-light: #152A4A;
            --border-light: #E2E8F0;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: #F5F7FA;
            color: #1E293B;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--deep-navy);
            height: 64px;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: #94A3B8;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: #94A3B8;
        }

        .nav-search input:focus {
            border-color: var(--vivid-orange);
            background: rgba(255, 255, 255, 0.18);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.15);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94A3B8;
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-secondary {
            padding: 8px 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .btn-nav-primary {
            padding: 9px 18px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
        }

        .btn-nav-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-primary:focus,
        .btn-nav-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--deep-navy);
            padding: 16px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #94A3B8;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            color: var(--vivid-orange);
            font-weight: 600;
        }

        /* 板块间距 */
        .section-py {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        .section-py-lg {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }

        /* 卡片 */
        .card-base {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--vivid-orange);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 95, 31, 0.3);
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--orange-dark);
            box-shadow: 0 4px 14px rgba(255, 95, 31, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.4);
        }

        .btn-secondary {
            display: inline-block;
            padding: 10px 24px;
            background: transparent;
            color: var(--deep-navy);
            border: 2px solid var(--deep-navy);
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-secondary:hover {
            background: #F0F4F8;
            border-color: var(--vivid-orange);
            color: var(--vivid-orange);
        }

        .btn-teal {
            display: inline-block;
            padding: 10px 22px;
            background: var(--teal-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-teal:hover {
            background: #009a8e;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 180, 166, 0.35);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .tag-live {
            background: #FFE8E0;
            color: #E04E10;
        }

        .tag-upcoming {
            background: #FFF3E0;
            color: #FF5F1F;
        }

        .tag-ended {
            background: #F1F5F9;
            color: #94A3B8;
        }

        .tag-hot {
            background: #FFE0E0;
            color: #D32F2F;
            animation: pulse-tag 2s infinite;
        }

        @keyframes pulse-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* Hero */
        .hero-events {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-events::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 29, 58, 0.82) 0%, rgba(11, 29, 58, 0.7) 50%, rgba(11, 29, 58, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #FFFFFF;
            padding: 24px;
        }

        .hero-event-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-event-tag {
            display: inline-block;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            backdrop-filter: blur(4px);
        }

        .hero-event-tag:hover,
        .hero-event-tag.tag-active {
            background: var(--vivid-orange);
            border-color: var(--vivid-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(255, 95, 31, 0.45);
            transform: translateY(-2px);
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: var(--card-white);
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            background: #F8FAFC;
            color: var(--vivid-orange);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F1F5F9;
            color: var(--text-secondary);
            transition: all var(--transition-smooth);
            font-size: 0.8rem;
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--vivid-orange);
            color: #FFFFFF;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            background: #FAFBFC;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 16px 20px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* 页脚 */
        .footer-global {
            background: var(--deep-navy);
            color: #94A3B8;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 10px;
        }

        .footer-grid ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--vivid-orange);
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 32px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.82rem;
            color: #94A3B8;
            line-height: 2;
        }

        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--vivid-orange);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-right .btn-nav-secondary {
                display: none;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .hero-events {
                min-height: 60vh;
            }
            .section-py {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
            .section-py-lg {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-events {
                min-height: 55vh;
            }
            .hero-event-tags {
                gap: 6px;
            }
            .hero-event-tag {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .btn-primary {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .btn-secondary {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .hero-events {
                min-height: 50vh;
            }
            .hero-event-tags {
                flex-wrap: wrap;
                gap: 5px;
            }
            .hero-event-tag {
                padding: 6px 12px;
                font-size: 0.72rem;
                border-radius: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            .section-py {
                padding-top: 2rem;
                padding-bottom: 2rem;
            }
            .section-py-lg {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
        }