/* roulang page: index */
:root {
            --color-primary: #0B1B2B;
            --color-accent: #D8A54A;
            --color-accent-hover: #E8B85A;
            --color-bg: #050A10;
            --color-bg-card: rgba(13, 26, 38, 0.8);
            --color-text: #E6EDF3;
            --color-text-secondary: #9FB0C3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-accent: rgba(216, 165, 74, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.35s ease;
            --font-title: 'ZCOOL KuaiLe', '站酷高端黑', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Source Han Serif SC', '思源宋体', 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 80px;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 30% 20%, rgba(11, 27, 43, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(11, 27, 43, 0.7) 0%, transparent 55%);
            background-attachment: fixed;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-title);
            border: none;
            background: none;
            color: inherit;
        }

        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--color-text);
            background-color: rgba(5, 10, 16, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(216, 165, 74, 0.15);
            outline: none;
        }

        input::placeholder,
        textarea::placeholder {
            color: rgba(159, 176, 195, 0.6);
        }

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

        /* ===== Header & Navigation ===== */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 10, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: background var(--transition-medium), box-shadow var(--transition-medium);
        }

        #site-header.scrolled {
            background: rgba(5, 10, 16, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.2) 0%, transparent 70%);
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border: 1.5px solid var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 8px var(--color-accent);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-menu>li {
            position: relative;
        }

        .nav-menu>li>a {
            display: block;
            padding: 8px 16px;
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .nav-menu>li>a:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-menu>li>a.active {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.1);
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: var(--color-primary) !important;
            font-weight: 700;
            padding: 8px 20px !important;
            border-radius: 24px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.5) !important;
            color: var(--color-primary) !important;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: calc(100vh - var(--nav-height));
            display: flex;
            align-items: center;
            position: relative;
            background-image: linear-gradient(to bottom, rgba(5, 10, 16, 0.65), rgba(5, 10, 16, 0.92)), url('/assets/images/504f330c0e853045.jpg');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: 100px 0 80px;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }

        .hero-tag {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 14px;
            color: var(--color-accent);
            letter-spacing: 2px;
            margin-bottom: 20px;
            border: 1px solid var(--color-border-accent);
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(216, 165, 74, 0.08);
        }

        .hero h1 {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero h1 .highlight {
            color: var(--color-accent);
            text-shadow: 0 0 20px rgba(216, 165, 74, 0.4);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            max-width: 620px;
            margin-bottom: 32px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            border-radius: 28px;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            min-width: 140px;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(216, 165, 74, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.5), 0 6px 20px rgba(216, 165, 74, 0.3);
            transform: translateY(-2px);
            color: var(--color-primary);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.2);
        }

        /* ===== Sections ===== */
        section {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 13px;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border: 1px solid rgba(216, 165, 74, 0.3);
            padding: 4px 14px;
            border-radius: 16px;
            background: rgba(216, 165, 74, 0.06);
        }

        .section-header h2 {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            letter-spacing: 1px;
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 16px auto 0;
            line-height: 1.8;
        }

        /* ===== Trust Bar ===== */
        .trust-bar {
            background: rgba(11, 27, 43, 0.6);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 32px 0;
        }

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

        .trust-item {
            padding: 8px;
        }

        .trust-number {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .trust-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        /* ===== Category Grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .category-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
            display: block;
        }

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

        .category-card .card-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .category-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }

        .category-card:hover .card-image img {
            transform: scale(1.06);
        }

        .category-card .card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(13, 26, 38, 0.9), transparent);
            pointer-events: none;
        }

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

        .category-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .category-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Scene Cards ===== */
        .scene-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(216, 165, 74, 0.3) transparent;
        }

        .scene-wrapper::-webkit-scrollbar {
            height: 6px;
        }

        .scene-wrapper::-webkit-scrollbar-track {
            background: transparent;
        }

        .scene-wrapper::-webkit-scrollbar-thumb {
            background: rgba(216, 165, 74, 0.3);
            border-radius: 3px;
        }

        .scene-row {
            display: grid;
            grid-auto-flow: column;
            grid-auto-columns: 280px;
            gap: 20px;
            padding-bottom: 4px;
        }

        .scene-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            display: block;
        }

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

        .scene-card .scene-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .scene-card .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }

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

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

        .scene-card h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }

        .scene-card .scene-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-top: 4px;
        }

        /* ===== About Section ===== */
        .about-section {
            background: rgba(11, 27, 43, 0.4);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        .about-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .about-content h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .about-content p {
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .about-content p .accent {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== Process Section ===== */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .process-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            order: 2;
        }

        .process-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .process-content {
            order: 1;
        }

        .process-content h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .process-content p {
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .process-steps {
            list-style: none;
            counter-reset: step-counter;
            margin-top: 20px;
        }

        .process-steps li {
            counter-increment: step-counter;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 15px;
            line-height: 1.7;
        }

        .process-steps li:last-child {
            border-bottom: none;
        }

        .process-steps li::before {
            content: counter(step-counter);
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(216, 165, 74, 0.1);
            border: 1px solid var(--color-border-accent);
            color: var(--color-accent);
            font-family: var(--font-title);
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .gallery-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }

        .gallery-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-accent);
        }

        .gallery-item .gallery-image {
            aspect-ratio: 3 / 2;
            overflow: hidden;
        }

        .gallery-item .gallery-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }

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

        .gallery-item .gallery-info {
            padding: 16px 18px;
        }

        .gallery-item h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .gallery-item .gallery-meta {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .gallery-item .gallery-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .gallery-item .gallery-meta .param-tag {
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 12px;
        }

        /* ===== Booking Section ===== */
        .booking-section {
            background: rgba(11, 27, 43, 0.55);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .booking-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .booking-info h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .booking-info p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .booking-info .booking-note {
            background: rgba(216, 165, 74, 0.08);
            border-left: 3px solid var(--color-accent);
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 16px;
        }

        .booking-form {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .booking-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .booking-form .form-row.full {
            grid-template-columns: 1fr;
        }

        .booking-form label {
            display: block;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }

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

        .booking-form .btn-submit {
            width: 100%;
            margin-top: 12px;
        }

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

        .testimonial-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            position: relative;
        }

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

        .testimonial-card .quote-mark {
            font-family: var(--font-title);
            font-size: 48px;
            color: var(--color-accent);
            opacity: 0.35;
            line-height: 1;
            position: absolute;
            top: 16px;
            right: 20px;
        }

        .testimonial-card blockquote {
            color: var(--color-text);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 18px;
            padding-right: 24px;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(216, 165, 74, 0.15);
            border: 1px solid var(--color-border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            color: var(--color-accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .testimonial-card .author-route {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-item.open {
            background: rgba(216, 165, 74, 0.04);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 8px;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--color-border-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition-fast), background var(--transition-fast);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(216, 165, 74, 0.12);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium), padding var(--transition-medium);
            padding: 0 8px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 8px 20px;
        }

        /* ===== News Section ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 820px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            align-items: center;
        }

        .news-item:hover {
            transform: translateX(4px);
            border-color: var(--color-border-accent);
            box-shadow: var(--shadow-hover);
        }

        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-item h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .news-item .news-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .news-item .news-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--color-text-secondary);
            white-space: nowrap;
            background: rgba(255, 255, 255, 0.04);
            padding: 6px 14px;
            border-radius: 16px;
        }

        /* ===== Partners ===== */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px 40px;
            align-items: center;
        }

        .partner-logo {
            font-family: var(--font-title);
            font-size: 15px;
            color: rgba(159, 176, 195, 0.45);
            letter-spacing: 2px;
            text-align: center;
            padding: 12px 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 28px;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            cursor: default;
            filter: grayscale(1);
            user-select: none;
            -webkit-user-select: none;
        }

        .partner-logo:hover {
            color: rgba(159, 176, 195, 0.7);
            border-color: rgba(255, 255, 255, 0.12);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(11, 27, 43, 0.95) 0%, rgba(5, 10, 16, 0.7) 100%);
            border-top: 1px solid var(--color-border-accent);
            border-bottom: 1px solid var(--color-border-accent);
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        #site-footer {
            background: rgba(5, 10, 16, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 60px 0 0;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-column h3 {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-column ul {
            list-style: none;
        }

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

        .footer-column ul li a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--color-accent);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .footer-qr {
            width: 100px;
            height: 100px;
            border: 1px dashed var(--color-border-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-text-secondary);
            text-align: center;
            line-height: 1.4;
            background: rgba(255, 255, 255, 0.02);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .footer-bottom .copyright {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 16px;
            align-items: center;
        }

        .footer-bottom a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 34px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid,
            .process-grid {
                gap: 32px;
            }
            .booking-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
            .footer-column:nth-child(4) {
                display: none;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .process-image {
                order: 1;
            }
            .process-content {
                order: 2;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --nav-height: 60px;
            }
            body {
                font-size: 15px;
                line-height: 1.75;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hamburger {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(5, 10, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: 12px 24px 20px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu>li {
                width: 100%;
            }
            .nav-menu>li>a {
                padding: 12px 16px;
                font-size: 16px;
                display: block;
                width: 100%;
            }
            .nav-menu>li>a.nav-cta {
                text-align: center;
                border-radius: 28px;
                padding: 12px 20px !important;
            }
            .hero {
                padding: 60px 0;
                min-height: auto;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                min-width: auto;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .trust-number {
                font-size: 28px;
            }
            .scene-row {
                grid-auto-columns: 220px;
                gap: 14px;
            }
            .booking-form {
                padding: 22px;
            }
            .booking-form .form-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .news-item {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .news-item .news-date {
                align-self: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-column:nth-child(4) {
                display: block;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 4px;
            }
            .partners-grid {
                gap: 12px 20px;
            }
            .partner-logo {
                font-size: 13px;
                padding: 8px 16px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-section: 44px;
                --nav-height: 56px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
                line-height: 1.7;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .trust-number {
                font-size: 24px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .booking-form {
                padding: 18px;
            }
            .testimonial-card {
                padding: 20px;
            }
            .scene-row {
                grid-auto-columns: 180px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B1B2B;
            --color-accent: #D8A54A;
            --color-accent-hover: #E8B85A;
            --color-bg: #050A10;
            --color-bg-card: rgba(13, 26, 38, 0.8);
            --color-text: #E6EDF3;
            --color-text-secondary: #9FB0C3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-accent: rgba(216, 165, 74, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.35s ease;
            --font-title: 'ZCOOL KuaiLe', '站酷高端黑', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Source Han Serif SC', '思源宋体', 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 80px;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --nav-height: 60px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-section: 44px;
                --nav-height: 56px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 30% 20%, rgba(11, 27, 43, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(11, 27, 43, 0.7) 0%, transparent 55%);
            background-attachment: fixed;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-title);
            border: none;
            background: none;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Header */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 10, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: background var(--transition-medium), box-shadow var(--transition-medium);
        }
        #site-header.scrolled {
            background: rgba(5, 10, 16, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.2) 0%, transparent 70%);
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border: 1.5px solid var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-family: var(--font-title);
            font-size: 15px;
            letter-spacing: 0.5px;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.08);
        }
        .nav-menu li a.active {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.12);
        }
        .nav-menu li a.nav-cta {
            background: var(--color-accent);
            color: #0B1B2B;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 24px;
            margin-left: 8px;
            transition: all var(--transition-fast);
        }
        .nav-menu li a.nav-cta:hover {
            background: var(--color-accent-hover);
            color: #0B1B2B;
            box-shadow: 0 0 16px rgba(216, 165, 74, 0.4);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--color-accent);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        /* Breadcrumb */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: transparent;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav .separator {
            color: var(--color-border-accent);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--color-accent);
        }
        /* Category Header */
        .category-header {
            padding: 48px 0 32px;
            position: relative;
        }
        .category-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }
        .category-header h1 {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--color-text);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .category-header h1 .highlight {
            color: var(--color-accent);
        }
        .category-header p {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 820px;
            line-height: 1.9;
            margin: 0;
        }
        /* Filter Bar */
        .filter-bar {
            padding: 16px 0;
            margin-bottom: 24px;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            background: rgba(13, 26, 38, 0.4);
        }
        .filter-bar-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-family: var(--font-title);
            font-size: 14px;
            color: var(--color-text-secondary);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .filter-group {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-btn {
            padding: 6px 18px;
            font-family: var(--font-title);
            font-size: 13px;
            letter-spacing: 0.5px;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-border-accent);
            background: rgba(216, 165, 74, 0.08);
        }
        .filter-btn.active {
            color: #0B1B2B;
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        /* Live Grid */
        .live-grid-section {
            padding: 24px 0 48px;
        }
        .live-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .live-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .live-card:hover {
            border-color: var(--color-border-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .live-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .live-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .live-card:hover .live-card-img-wrap img {
            transform: scale(1.04);
        }
        .live-card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5,10,16,0.1) 0%, rgba(5,10,16,0.4) 100%);
            pointer-events: none;
        }
        .live-status {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 16px;
            font-family: var(--font-title);
            font-size: 12px;
            letter-spacing: 1px;
            background: rgba(5, 10, 16, 0.85);
            border: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .live-status.is-live {
            color: #FF6B6B;
            border-color: rgba(255, 107, 107, 0.5);
        }
        .live-status.is-live::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF6B6B;
            animation: pulse 1.6s ease-in-out infinite;
        }
        .live-status.upcoming {
            color: var(--color-accent);
            border-color: var(--color-border-accent);
        }
        .live-status.replay {
            color: var(--color-text-secondary);
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }
        .live-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }
        .live-card-title {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin: 0;
        }
        .live-card-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .live-card-title a:hover {
            color: var(--color-accent);
        }
        .live-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .live-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
            margin-top: auto;
        }
        .live-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .live-card-meta .view-count {
            color: var(--color-accent);
            font-weight: 600;
        }
        .live-card-tag {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(216, 165, 74, 0.1);
            border: 1px solid rgba(216, 165, 74, 0.25);
            color: var(--color-accent);
            font-size: 11px;
            letter-spacing: 1px;
            border-radius: 12px;
            font-family: var(--font-title);
        }
        /* Editor Pick */
        .editor-pick-section {
            padding: 48px 0;
            border-top: 1px solid var(--color-border);
        }
        .editor-pick-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .editor-pick-main {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--color-border);
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .editor-pick-main:hover {
            border-color: var(--color-border-accent);
            box-shadow: var(--shadow-hover);
        }
        .editor-pick-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .editor-pick-main::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5,10,16,0.2) 0%, rgba(5,10,16,0.85) 65%, rgba(5,10,16,0.95) 100%);
            z-index: 1;
        }
        .editor-pick-main-content {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }
        .editor-pick-label {
            display: inline-block;
            padding: 4px 14px;
            background: var(--color-accent);
            color: #0B1B2B;
            font-family: var(--font-title);
            font-size: 12px;
            letter-spacing: 1px;
            border-radius: 16px;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .editor-pick-main h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .editor-pick-main p {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 500px;
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .editor-pick-main .pick-meta {
            font-size: 13px;
            color: var(--color-accent);
            font-family: var(--font-title);
            letter-spacing: 0.5px;
        }
        .editor-pick-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .editor-pick-side-item {
            display: flex;
            gap: 16px;
            align-items: center;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            flex: 1;
        }
        .editor-pick-side-item:hover {
            border-color: var(--color-border-accent);
            background: rgba(13, 26, 38, 0.95);
            transform: translateX(4px);
        }
        .editor-pick-side-item img {
            width: 72px;
            height: 72px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .editor-pick-side-item h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .editor-pick-side-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
        }
        /* Section Title */
        .section-title {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 1.5px;
            margin-bottom: 24px;
            line-height: 1.3;
        }
        .section-title .accent {
            color: var(--color-accent);
        }
        .section-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
        }
        /* Topic Links */
        .topic-links-section {
            padding: 48px 0;
            border-top: 1px solid var(--color-border);
        }
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-tag {
            display: inline-block;
            padding: 8px 20px;
            font-family: var(--font-title);
            font-size: 14px;
            letter-spacing: 0.5px;
            color: var(--color-text-secondary);
            background: rgba(13, 26, 38, 0.6);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            transition: all var(--transition-fast);
        }
        .topic-tag:hover {
            color: var(--color-accent);
            border-color: var(--color-border-accent);
            background: rgba(216, 165, 74, 0.08);
            transform: translateY(-2px);
        }
        /* CTA Section */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, rgba(11,27,43,0.9) 0%, rgba(5,10,16,0.95) 100%);
            border-top: 1px solid var(--color-border-accent);
            border-bottom: 1px solid var(--color-border-accent);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(216,165,74,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(216,165,74,0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 460px;
        }
        .btn-primary-custom {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-accent);
            color: #0B1B2B;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 1px;
            border-radius: 28px;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-align: center;
        }
        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            color: #0B1B2B;
            box-shadow: 0 0 20px rgba(216, 165, 74, 0.5);
            transform: translateY(-2px);
        }
        .btn-secondary-custom {
            display: inline-block;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 15px;
            letter-spacing: 0.5px;
            border: 1px solid var(--color-border);
            border-radius: 28px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-align: center;
        }
        .btn-secondary-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.06);
            transform: translateY(-2px);
        }
        /* Pagination */
        .pagination-section {
            padding: 24px 0 32px;
        }
        .pagination-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .pagination-custom li a,
        .pagination-custom li span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-family: var(--font-title);
            font-size: 14px;
            color: var(--color-text-secondary);
            background: rgba(13, 26, 38, 0.6);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .pagination-custom li a:hover {
            color: var(--color-accent);
            border-color: var(--color-border-accent);
            background: rgba(216, 165, 74, 0.08);
        }
        .pagination-custom li span.current {
            color: #0B1B2B;
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        /* Footer */
        #site-footer {
            background: rgba(5, 10, 16, 0.98);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 24px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-column h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul li a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-column ul li a:hover {
            color: var(--color-accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .footer-qr {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 12px 20px;
            border: 1px dashed var(--color-border-accent);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--color-text-secondary);
            text-align: center;
            line-height: 1.6;
            letter-spacing: 1px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
        }
        .copyright {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .copyright a {
            color: var(--color-text-secondary);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .copyright a:hover {
            color: var(--color-accent);
        }
        /* Mobile Nav */
        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(5, 10, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 20px;
                gap: 4px;
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                color: var(--color-text-secondary);
            }
            .nav-menu li a.active {
                color: var(--color-accent);
                background: rgba(216, 165, 74, 0.12);
            }
            .nav-menu li a.nav-cta {
                margin-left: 0;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                margin-top: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .live-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .editor-pick-grid {
                grid-template-columns: 1fr;
            }
            .editor-pick-main {
                min-height: 280px;
            }
            .editor-pick-main-content {
                padding: 24px;
            }
            .editor-pick-main h2 {
                font-size: 22px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .category-header {
                padding: 32px 0 24px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                padding: 12px 24px;
                font-size: 14px;
            }
            .filter-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .copyright {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .category-header h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .live-card-body {
                padding: 16px 18px 20px;
            }
            .live-card-title {
                font-size: 17px;
            }
            .editor-pick-side-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px;
            }
            .editor-pick-side-item img {
                width: 100%;
                height: 140px;
                object-fit: cover;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0B1B2B;
            --color-accent: #D8A54A;
            --color-accent-hover: #E8B85A;
            --color-bg: #050A10;
            --color-bg-card: rgba(13, 26, 38, 0.8);
            --color-text: #E6EDF3;
            --color-text-secondary: #9FB0C3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-accent: rgba(216, 165, 74, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.35s ease;
            --font-title: 'ZCOOL KuaiLe', '站酷高端黑', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Source Han Serif SC', '思源宋体', 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 72px;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 30% 20%, rgba(11, 27, 43, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(11, 27, 43, 0.7) 0%, transparent 55%);
            background-attachment: fixed;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-title);
            border: none;
            background: none;
            color: inherit;
        }
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--color-text);
            background-color: rgba(5, 10, 16, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(216, 165, 74, 0.15);
            outline: none;
        }
        input::placeholder,
        textarea::placeholder {
            color: rgba(159, 176, 195, 0.6);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 10, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: background var(--transition-medium), box-shadow var(--transition-medium);
        }
        #site-header.scrolled {
            background: rgba(5, 10, 16, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.2) 0%, transparent 70%);
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border: 1.5px solid var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu>li {
            position: relative;
        }
        .nav-menu>li>a {
            display: block;
            padding: 8px 16px;
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.5px;
            border-radius: var(--radius-sm);
            color: var(--color-text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu>li>a:hover,
        .nav-menu>li>a.active {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.08);
        }
        .nav-menu>li>a.nav-cta {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 50rem;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-menu>li>a.nav-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.5);
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: rgba(13, 26, 38, 0.6);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: border-color var(--transition-fast);
        }
        .nav-toggle:hover,
        .nav-toggle:focus-visible {
            border-color: var(--color-accent);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .breadcrumb-wrapper {
            padding: 24px 0 0;
            border-bottom: 1px solid transparent;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-separator {
            color: rgba(159, 176, 195, 0.5);
            font-size: 12px;
        }
        .breadcrumb-current {
            color: var(--color-accent);
        }

        .page-header {
            padding: 40px 0 24px;
        }
        .page-header h1 {
            font-family: var(--font-title);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-header .page-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            max-width: 820px;
        }
        .page-header .page-subtitle strong {
            color: var(--color-accent);
            font-weight: 600;
        }

        .featured-route {
            padding: 36px 0 12px;
        }
        .featured-route-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-medium), transform var(--transition-medium);
        }
        .featured-route-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-route-card .featured-image {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-route-card .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }
        .featured-route-card:hover .featured-image img {
            transform: scale(1.03);
        }
        .featured-route-card .featured-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 50rem;
            letter-spacing: 0.5px;
        }
        .featured-route-card .featured-content {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-route-card .featured-content h2 {
            font-family: var(--font-title);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
            line-height: 1.35;
        }
        .featured-route-card .featured-content .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .featured-route-card .featured-content .featured-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .featured-route-card .featured-content p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.5px;
            border-radius: 50rem;
            transition: all var(--transition-fast);
            text-align: center;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: 0 0 16px rgba(216, 165, 74, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-border-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background: rgba(216, 165, 74, 0.1);
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .route-filter {
            padding: 32px 0 24px;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 18px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            padding: 7px 16px;
            font-family: var(--font-title);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1px solid var(--color-border);
            border-radius: 50rem;
            background: transparent;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-border-accent);
            color: var(--color-accent);
        }
        .filter-tag.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .filter-sort select {
            width: auto;
            min-width: 140px;
            padding: 8px 14px;
            font-size: 14px;
            border-radius: 50rem;
            background-color: rgba(5, 10, 16, 0.7);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            cursor: pointer;
        }
        .filter-sort select:hover,
        .filter-sort select:focus {
            border-color: var(--color-border-accent);
        }

        .routes-grid-wrapper {
            padding: 12px 0 32px;
        }
        .routes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .route-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
        }
        .route-card:hover {
            border-color: var(--color-border-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .route-card .card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: rgba(11, 27, 43, 0.6);
        }
        .route-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }
        .route-card:hover .card-image img {
            transform: scale(1.04);
        }
        .route-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(5, 10, 16, 0.75);
            backdrop-filter: blur(6px);
            color: var(--color-accent);
            font-family: var(--font-title);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50rem;
            border: 1px solid var(--color-border-accent);
            letter-spacing: 0.3px;
        }
        .route-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .route-card .card-body h3 {
            font-family: var(--font-title);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            line-height: 1.35;
        }
        .route-card .card-body .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }
        .route-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .route-card .card-body .card-desc {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .route-card .card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }
        .route-card .card-body .card-tags .tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 50rem;
            background: rgba(216, 165, 74, 0.1);
            border: 1px solid rgba(216, 165, 74, 0.2);
            color: var(--color-accent);
            font-family: var(--font-title);
            letter-spacing: 0.3px;
        }
        .route-card .card-link {
            font-family: var(--font-title);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .route-card .card-link:hover {
            gap: 9px;
            color: var(--color-accent-hover);
        }

        .route-highlights {
            padding: 36px 0;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 28px;
            color: var(--color-text);
            letter-spacing: 0.5px;
            position: relative;
            padding-left: 16px;
            line-height: 1.3;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .highlight-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .highlight-item:hover {
            border-color: var(--color-border-accent);
            transform: translateY(-3px);
        }
        .highlight-item .highlight-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }
        .highlight-item h4 {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .highlight-item p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .route-faq {
            padding: 36px 0;
        }
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-item.active {
            background: rgba(216, 165, 74, 0.04);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 4px;
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-accent);
            border-radius: 50%;
            font-size: 14px;
            color: var(--color-accent);
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            border-color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium), padding var(--transition-medium);
            padding: 0 4px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 4px 20px;
        }
        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        .related-topics {
            padding: 36px 0;
        }
        .topics-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .topic-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 50rem;
            font-family: var(--font-title);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .topic-chip:hover {
            border-color: var(--color-border-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .bottom-cta {
            padding: 48px 0;
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(11, 27, 43, 0.95) 0%, rgba(13, 26, 38, 0.9) 50%, rgba(5, 10, 16, 0.95) 100%);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-panel h2 {
            font-family: var(--font-title);
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
            line-height: 1.3;
        }
        .cta-panel p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-panel .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .pagination-wrapper {
            padding: 24px 0 40px;
            display: flex;
            justify-content: center;
        }
        .pagination {
            display: flex;
            gap: 6px;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .pagination li a,
        .pagination li span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-family: var(--font-title);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .pagination li a:hover {
            border-color: var(--color-border-accent);
            color: var(--color-accent);
        }
        .pagination li.active span {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }
        .pagination li.disabled span {
            opacity: 0.4;
            cursor: not-allowed;
        }

        #site-footer {
            background: rgba(5, 10, 16, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-column h3 {
            font-family: var(--font-title);
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 10px;
        }
        .footer-column ul li a {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            transition: color var(--transition-fast);
        }
        .footer-column ul li a:hover {
            color: var(--color-accent);
        }
        .footer-contact p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .footer-qr {
            width: 100px;
            height: 100px;
            border: 1px dashed var(--color-border-accent);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-text-secondary);
            text-align: center;
            line-height: 1.5;
            gap: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .copyright {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            align-items: center;
        }
        .copyright a {
            color: var(--color-text-secondary);
        }
        .copyright a:hover {
            color: var(--color-accent);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
            font-size: 0.85rem;
        }
        .footer-bottom-links a {
            color: var(--color-text-secondary);
        }
        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .routes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .featured-route-card {
                grid-template-columns: 1fr;
            }
            .featured-route-card .featured-image {
                min-height: 240px;
            }
            .featured-route-card .featured-content {
                padding: 28px 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --nav-height: 60px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(5, 10, 16, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform var(--transition-medium);
                z-index: 99;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
            }
            .nav-menu>li>a {
                padding: 14px 8px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                border-radius: 0;
            }
            .nav-menu>li:last-child>a {
                border-bottom: none;
            }
            .nav-menu>li>a.nav-cta {
                border-radius: 50rem;
                text-align: center;
                margin-top: 10px;
                border-bottom: none;
                padding: 12px 20px;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .routes-grid {
                grid-template-columns: 1fr;
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-sort {
                justify-content: space-between;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .featured-route-card .featured-content h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-section: 36px;
                --nav-height: 56px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            body {
                font-size: 15px;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
            }
            .routes-grid {
                gap: 16px;
            }
            .route-card .card-body {
                padding: 14px 16px 16px;
            }
            .featured-route-card .featured-content {
                padding: 20px 16px;
            }
            .pagination li a,
            .pagination li span {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0B1B2B;
            --color-accent: #D8A54A;
            --color-accent-hover: #E8B85A;
            --color-bg: #050A10;
            --color-bg-card: rgba(13, 26, 38, 0.8);
            --color-text: #E6EDF3;
            --color-text-secondary: #9FB0C3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-accent: rgba(216, 165, 74, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.35s ease;
            --font-title: 'ZCOOL KuaiLe', '站酷高端黑', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Source Han Serif SC', '思源宋体', 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 80px;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 30% 20%, rgba(11, 27, 43, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(11, 27, 43, 0.7) 0%, transparent 55%);
            background-attachment: fixed;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-title);
            border: none;
            background: none;
            color: inherit;
        }
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--color-text);
            background-color: rgba(5, 10, 16, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(216, 165, 74, 0.15);
            outline: none;
        }
        input::placeholder,
        textarea::placeholder {
            color: rgba(159, 176, 195, 0.6);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Navigation ===== */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 10, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: background var(--transition-medium), box-shadow var(--transition-medium);
        }
        #site-header.scrolled {
            background: rgba(5, 10, 16, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.2) 0%, transparent 70%);
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border: 1.5px solid var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 8px;
        }
        .nav-menu li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-family: var(--font-title);
            letter-spacing: 0.5px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: var(--color-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-menu li a.nav-cta {
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            margin-left: 8px;
        }
        .nav-menu li a.nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: transparent;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: var(--transition-fast);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            background: rgba(5, 10, 16, 0.5);
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-inner .sep {
            color: var(--color-border-accent);
        }
        .breadcrumb-inner .current {
            color: var(--color-accent);
        }

        /* ===== Category Banner ===== */
        .category-banner {
            position: relative;
            padding: 60px 0 48px;
            background-image: url('/assets/images/937d27d9f71b7249.jpg');
            background-size: cover;
            background-position: center 30%;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 10, 16, 0.82) 0%, rgba(11, 27, 43, 0.88) 60%, rgba(5, 10, 16, 0.95) 100%);
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .category-banner h1 {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 700;
            margin: 12px 0 16px;
            letter-spacing: 2px;
            line-height: 1.25;
        }
        .category-banner h1 .accent {
            color: var(--color-accent);
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 8px;
        }
        .banner-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .banner-stat .num {
            font-family: var(--font-title);
            font-size: 20px;
            color: var(--color-accent);
            font-weight: 700;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            background: rgba(5, 10, 16, 0.6);
        }
        .filter-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-btn {
            padding: 6px 16px;
            font-size: 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: transparent;
            color: var(--color-text-secondary);
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--color-border-accent);
            color: var(--color-text);
        }
        .filter-btn.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .sort-select {
            max-width: 160px;
            padding: 8px 12px;
            font-size: 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: rgba(5, 10, 16, 0.8);
            color: var(--color-text-secondary);
            cursor: pointer;
        }
        .sort-select:focus {
            border-color: var(--color-accent);
        }

        /* ===== Course Cards ===== */
        .course-section {
            padding: var(--spacing-section) 0;
        }
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 32px;
        }
        .course-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .course-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-accent);
        }
        .course-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: rgba(13, 26, 38, 0.6);
        }
        .course-card .card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }
        .course-card .card-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            line-height: 1.35;
            margin: 0;
        }
        .course-card .card-title a {
            color: var(--color-text);
        }
        .course-card .card-title a:hover {
            color: var(--color-accent);
        }
        .course-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin: 0;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            border-radius: 12px;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.03);
            white-space: nowrap;
        }
        .tag.easy {
            color: #7BC47F;
            border-color: rgba(123, 196, 127, 0.35);
        }
        .tag.medium {
            color: #D8A54A;
            border-color: rgba(216, 165, 74, 0.35);
        }
        .tag.hard {
            color: #E06C6C;
            border-color: rgba(224, 108, 108, 0.35);
        }
        .course-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--color-text-secondary);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }
        .course-card .card-meta .duration {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .course-card .card-link {
            font-family: var(--font-title);
            font-size: 14px;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .course-card .card-link:hover {
            color: var(--color-accent-hover);
        }

        /* ===== Editor's Pick ===== */
        .editor-pick {
            padding: var(--spacing-section) 0;
            background: rgba(13, 26, 38, 0.3);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .editor-pick-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .editor-pick-img {
            min-height: 360px;
            object-fit: cover;
            width: 100%;
            height: 100%;
        }
        .editor-pick-content {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }
        .editor-pick-label {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            border-radius: 16px;
            background: rgba(216, 165, 74, 0.12);
            color: var(--color-accent);
            border: 1px solid var(--color-border-accent);
            width: fit-content;
            font-family: var(--font-title);
            letter-spacing: 1px;
        }
        .editor-pick-content h3 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
        }
        .editor-pick-content p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }
        .editor-pick-info {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .editor-pick-info span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-family: var(--font-title);
            font-size: 15px;
            letter-spacing: 0.5px;
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            border: 1px solid var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.5);
            color: var(--color-primary);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 15px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 4px 0;
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 8px;
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium);
            padding: 0 8px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }
        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(11, 27, 43, 0.9) 0%, rgba(216, 165, 74, 0.08) 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }
        .cta-box h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            margin: 0;
            letter-spacing: 1px;
        }
        .cta-box p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Related Topics ===== */
        .related-section {
            padding: var(--spacing-section) 0;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 24px;
        }
        .related-link {
            display: inline-block;
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: rgba(13, 26, 38, 0.5);
            color: var(--color-text-secondary);
            transition: var(--transition-fast);
        }
        .related-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.06);
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            padding: 12px 0 40px;
            display: flex;
            justify-content: center;
        }
        .pagination-inner {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            font-size: 14px;
            font-family: var(--font-title);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: transparent;
            color: var(--color-text-secondary);
            transition: var(--transition-fast);
        }
        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .page-btn.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        #site-footer {
            background: rgba(5, 10, 16, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }
        .footer-column h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul li a {
            color: var(--color-text-secondary);
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-column ul li a:hover {
            color: var(--color-accent);
        }
        .footer-contact p {
            color: var(--color-text-secondary);
            font-size: 13px;
            line-height: 1.7;
            margin: 0 0 6px;
        }
        .footer-qr {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 16px;
            border: 1px dashed var(--color-border-accent);
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-size: 12px;
            text-align: center;
            gap: 4px;
            margin-top: 12px;
            min-height: 80px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 0;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .copyright {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --nav-height: 60px;
            }
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .editor-pick-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .editor-pick-img {
                min-height: 240px;
                aspect-ratio: 16 / 9;
            }
            .editor-pick-content {
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
                --nav-height: 56px;
            }
            body {
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(5, 10, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                padding: 16px 24px;
                gap: 4px;
                z-index: 99;
                align-items: stretch;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-menu li a.active::after {
                display: none;
            }
            .nav-menu li a.nav-cta {
                margin-left: 0;
                text-align: center;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .course-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .editor-pick-card {
                grid-template-columns: 1fr;
            }
            .editor-pick-content h3 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .copyright {
                flex-direction: column;
                gap: 6px;
            }
            .banner-stats {
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner {
                padding: 40px 0 32px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .editor-pick-content {
                padding: 20px 16px;
            }
            .course-card .card-body {
                padding: 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0B1B2B;
            --color-accent: #D8A54A;
            --color-accent-hover: #E8B85A;
            --color-bg: #050A10;
            --color-bg-card: rgba(13, 26, 38, 0.8);
            --color-text: #E6EDF3;
            --color-text-secondary: #9FB0C3;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-accent: rgba(216, 165, 74, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.35s ease;
            --font-title: 'ZCOOL KuaiLe', '站酷高端黑', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Source Han Serif SC', '思源宋体', 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 80px;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 30% 20%, rgba(11, 27, 43, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(11, 27, 43, 0.7) 0%, transparent 55%);
            background-attachment: fixed;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-title);
            border: none;
            background: none;
            color: inherit;
        }

        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--color-text);
            background-color: rgba(5, 10, 16, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(216, 165, 74, 0.15);
            outline: none;
        }

        input::placeholder,
        textarea::placeholder {
            color: rgba(159, 176, 195, 0.6);
        }

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

        /* ===== Header & Navigation ===== */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 10, 16, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: background var(--transition-medium), box-shadow var(--transition-medium);
        }

        #site-header.scrolled {
            background: rgba(5, 10, 16, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.2) 0%, transparent 70%);
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border: 1.5px solid var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 10px rgba(216, 165, 74, 0.8);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu li a:hover {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.08);
        }

        .nav-menu li a.active {
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.12);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-menu li a.nav-cta {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 999px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-menu li a.nav-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: 0 0 12px rgba(216, 165, 74, 0.5);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 42px;
            height: 42px;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0;
            transition: border-color var(--transition-fast);
        }

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

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

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

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

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

        /* ===== Breadcrumb ===== */
        .breadcrumb-nav {
            padding: 24px 0 0;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-nav li+li::before {
            content: '›';
            color: var(--color-text-secondary);
            font-size: 18px;
            line-height: 1;
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
        }

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

        .breadcrumb-nav li[aria-current="page"] {
            color: var(--color-accent);
        }

        /* ===== Section Styles ===== */
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: rgba(5, 10, 16, 0.6);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-label {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Button ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            border: 2px solid var(--color-accent);
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 1px;
        }

        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: 0 0 16px rgba(216, 165, 74, 0.5);
            transform: translateY(-2px);
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text);
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 999px;
            border: 2px solid var(--color-border);
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 1px;
        }

        .btn-secondary-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.06);
            transform: translateY(-2px);
        }

        .btn-sm {
            font-size: 14px;
            padding: 10px 20px;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 0;
        }

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

        .filter-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-family: var(--font-title);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .filter-btn {
            font-family: var(--font-body);
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--color-border);
            background: transparent;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .filter-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.06);
        }

        .filter-btn.active {
            background: rgba(216, 165, 74, 0.15);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== Card Styles ===== */
        .card-custom {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-image-link {
            display: block;
            position: relative;
            overflow: hidden;
            aspect-ratio: 3 / 2;
            background: var(--color-primary);
        }

        .card-image-link img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }

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

        .card-image-link::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(5, 10, 16, 0.7) 0%, transparent 50%);
            pointer-events: none;
        }

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(5, 10, 16, 0.8);
            border: 1px solid var(--color-border-accent);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .card-title a {
            color: var(--color-text);
        }

        .card-title a:hover {
            color: var(--color-accent);
        }

        .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 12px;
            flex: 1;
        }

        .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 12px;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

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

        .card-tag {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(216, 165, 74, 0.1);
            color: var(--color-accent);
            border: 1px solid rgba(216, 165, 74, 0.2);
            letter-spacing: 0.5px;
        }

        /* ===== Featured Work ===== */
        .featured-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            position: relative;
        }

        .featured-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }

        .featured-image {
            position: relative;
            min-height: 300px;
            overflow: hidden;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform var(--transition-medium);
        }

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

        .featured-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, transparent 40%, rgba(5, 10, 16, 0.85) 100%);
            pointer-events: none;
        }

        .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 1px;
        }

        .featured-body {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
        }

        .featured-title {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
            line-height: 1.3;
        }

        .featured-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .featured-specs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 4px;
        }

        .spec-item {
            font-size: 13px;
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            letter-spacing: 0.3px;
        }

        .spec-item strong {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item.active {
            border-color: var(--color-border-accent);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
            letter-spacing: 0.5px;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium), padding var(--transition-medium);
            padding: 0 22px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        /* ===== Pagination ===== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: transparent;
            color: var(--color-text-secondary);
            font-size: 14px;
            font-family: var(--font-body);
            transition: all var(--transition-fast);
        }

        .pagination-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(216, 165, 74, 0.06);
        }

        .pagination-btn.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }

        .pagination-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(11, 27, 43, 0.95) 0%, rgba(5, 10, 16, 0.9) 100%);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(216, 165, 74, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-title {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            position: relative;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            position: relative;
        }

        /* ===== Topic Links ===== */
        .topic-link-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .topic-link-card:hover {
            border-color: var(--color-border-accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .topic-link-card span {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
        }

        .topic-link-card .arrow {
            color: var(--color-accent);
            font-size: 20px;
            transition: transform var(--transition-fast);
        }

        .topic-link-card:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Footer ===== */
        #site-footer {
            background: rgba(5, 10, 16, 0.95);
            border-top: 1px solid var(--color-border);
            padding-top: 56px;
            margin-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 16px 0 0;
            max-width: 300px;
        }

        .footer-column h3 {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 1px;
        }

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

        .footer-column ul li a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 8px;
            line-height: 1.6;
        }

        .footer-qr {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            width: 120px;
            height: 140px;
            border: 1px dashed var(--color-border-accent);
            border-radius: var(--radius-sm);
            padding: 16px;
            font-size: 12px;
            color: var(--color-text-secondary);
            text-align: center;
            letter-spacing: 1px;
            background: rgba(216, 165, 74, 0.04);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        .copyright a {
            color: var(--color-text-secondary);
        }

        .copyright a:hover {
            color: var(--color-accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 60px;
                --nav-height: 60px;
            }

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

            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-image {
                min-height: 240px;
                position: relative;
            }

            .featured-image::after {
                background: linear-gradient(to top, rgba(5, 10, 16, 0.8) 0%, transparent 60%);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
                --nav-height: 56px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                right: 0;
                width: 280px;
                max-width: 85vw;
                height: auto;
                background: rgba(5, 10, 16, 0.98);
                border-left: 1px solid var(--color-border);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                transform: translateX(100%);
                transition: transform var(--transition-medium);
                z-index: 99;
                border-radius: 0 0 0 var(--radius-lg);
                box-shadow: -8px 0 24px rgba(0, 0, 0, 0.5);
            }

            .nav-menu.open {
                transform: translateX(0);
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-menu li a {
                display: flex;
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }

            .nav-menu li a.active::after {
                display: none;
            }

            .nav-menu li a.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }

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

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }

            .featured-body {
                padding: 20px;
            }

            .featured-title {
                font-size: 18px;
            }

            .cta-section {
                padding: 30px 20px;
            }

            .cta-title {
                font-size: 20px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

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

            .section-title {
                font-size: 20px;
            }

            .btn-primary-custom,
            .btn-secondary-custom {
                padding: 12px 24px;
                font-size: 14px;
            }

            .breadcrumb-nav {
                font-size: 13px;
                overflow-x: auto;
                white-space: nowrap;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}