/* roulang page: index */
:root {
            --primary: #C8A96A;
            --primary-light: #D8BC82;
            --primary-dark: #B08D4F;
            --accent: #35C4B9;
            --bg-dark: #0E1013;
            --bg-section: #151921;
            --bg-card: #1A1E27;
            --border-color: #2A2F3A;
            --input-bg: #11151B;
            --input-border: #333A47;
            --text-main: #EAE8E3;
            --text-secondary: #9BA1AB;
            --text-muted: #6B7280;
            --btn-text: #171A1F;
            --success: #4CAF85;
            --warning: #E5A73A;
            --danger: #D65B5B;
            --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 100px;
            --radius-image: 16px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-card-hover: 0 8px 24px rgba(200,169,106,0.12);
            --shadow-btn-primary: 0 4px 14px rgba(200,169,106,0.35);
            --spacing-section: 96px;
            --spacing-section-mobile: 64px;
            --container-width: 1320px;
            --navbar-z: 1030;
            --mobile-cta-z: 1040;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-light);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            max-width: var(--container-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            position: relative;
        }

        .section-padding {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 1px;
            background: var(--accent);
            opacity: .7;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 580px;
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 30px;
            }
            .section-subtitle {
                font-size: 14px;
            }
        }

        .section-header {
            margin-bottom: 56px;
            text-align: center;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        .section-header .eyebrow {
            justify-content: center;
        }
        .section-header .eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 1px;
            background: var(--accent);
            opacity: .7;
        }
        .section-header .eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 1px;
            background: var(--accent);
            opacity: .7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: var(--btn-text);
            border: none;
            box-shadow: var(--shadow-btn-primary);
        }
        .btn-primary-custom:hover {
            color: var(--btn-text);
            transform: translateY(-2px);
            filter: brightness(1.05);
            box-shadow: 0 6px 20px rgba(200, 169, 106, 0.45);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }

        .btn-secondary-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-secondary-custom:hover {
            background: rgba(200, 169, 106, 0.1);
            color: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary-custom:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 17px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
            letter-spacing: 0.02em;
        }

        @media (max-width: 767.98px) {
            .btn {
                max-width: 100%;
                padding: 12px 24px;
                font-size: 15px;
            }
            .btn-lg {
                padding: 14px 32px;
            }
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 50%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        img {
            background-color: var(--bg-section);
        }

        img[src$=".png"],
        img[src$=".webp"],
        img[src$=".jpg"] {
            font-size: 0;
            color: transparent;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: var(--navbar-z);
            background: rgba(14, 16, 19, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-top {
            height: 60px;
            display: flex;
            align-items: center;
            position: relative;
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: rgba(200, 169, 106, 0.08);
            font-size: 16px;
            transition: box-shadow .2s ease;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 12px rgba(200, 169, 106, 0.3);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .brand-text em {
            font-style: normal;
            font-weight: 400;
            font-size: 13px;
            color: var(--text-secondary);
            margin-left: 4px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 300px;
            width: 100%;
        }

        .header-search input {
            width: 100%;
            height: 36px;
            padding: 0 14px;
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            border-radius: 8px;
            font-size: 13px;
            color: var(--text-main);
            outline: none;
            transition: border-color .2s, box-shadow .2s;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.2);
        }
        .header-search button {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: border-color .2s, color .2s;
        }
        .header-search button:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .header-nav {
            border-top: 1px solid var(--border-color);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 0;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav .nav-link {
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            border-radius: 0;
            white-space: nowrap;
            text-decoration: none;
            transition: color .2s, border-color .2s;
        }
        .channel-nav .nav-link:hover {
            color: var(--text-main);
        }
        .channel-nav .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        @media (max-width: 991.98px) {
            .channel-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                width: 100%;
            }
            .channel-nav .nav-link {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-text {
                font-size: 16px;
            }
            .brand-text em {
                display: none;
            }
            .header-search {
                max-width: 180px;
            }
            .header-search input {
                font-size: 12px;
                padding: 0 10px;
            }
        }

        .hero-section {
            min-height: 100vh;
            min-height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 140px 0 80px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 16, 19, 0.6) 0%, rgba(14, 16, 19, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 20px;
        }

        .hero-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 24px;
            padding: 6px 18px;
            border-radius: 100px;
            border: 1px solid rgba(53, 196, 185, 0.3);
            background: rgba(53, 196, 185, 0.06);
        }

        .hero-title {
            font-size: 58px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.03em;
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .hero-title-sub {
            display: block;
            font-size: 32px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 36px;
            font-weight: 400;
        }

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

        @media (max-width: 767.98px) {
            .hero-section {
                padding-top: 160px;
                padding-bottom: 100px;
            }
            .hero-title {
                font-size: 36px;
                line-height: 1.3;
            }
            .hero-title-sub {
                font-size: 22px;
            }
            .hero-subtitle {
                font-size: 15px;
                max-width: 100%;
                margin-bottom: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }
        }

        .trust-bar-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 28px 0;
        }

        .trust-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 44px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .trust-item i {
            color: var(--accent);
            font-size: 16px;
        }

        @media (max-width: 767.98px) {
            .trust-bar-inner {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            .trust-item {
                font-size: 13px;
            }
        }

        .features-section {
            background: var(--bg-dark);
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            position: relative;
            transition: border-color .3s, box-shadow .3s, transform .3s;
        }
        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .feature-number {
            font-size: 48px;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            opacity: .6;
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            color: var(--accent);
            font-size: 22px;
            margin-bottom: 20px;
            transition: border-color .3s, transform .3s;
        }
        .feature-card:hover .feature-icon {
            border-color: var(--primary);
            transform: scale(1.05);
        }

        .feature-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .feature-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-card {
                padding: 28px 24px;
            }
            .feature-number {
                font-size: 36px;
            }
        }

        .scene-section {
            background: var(--bg-section);
        }

        .scene-block {
            display: flex;
            align-items: center;
            gap: 60px;
            padding: 24px 0 80px;
        }
        .scene-block.reversed {
            flex-direction: row-reverse;
        }
        .scene-block:last-child {
            padding-bottom: 0;
        }

        .scene-img-wrapper {
            flex: 1;
            position: relative;
        }

        .scene-img {
            width: 100%;
            border-radius: var(--radius-image);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            object-fit: cover;
            aspect-ratio: 4/3;
            background: var(--bg-card);
        }

        .scene-float-card {
            position: absolute;
            bottom: -20px;
            right: -16px;
            background: rgba(26, 30, 39, 0.92);
            backdrop-filter: blur(8px);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 14px 24px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
            text-align: center;
        }
        .scene-float-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .scene-float-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        .scene-content {
            flex: 1;
        }

        .scene-content .eyebrow {
            margin-bottom: 8px;
        }

        .scene-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .scene-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            transition: color .2s, gap .2s;
        }
        .scene-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        @media (max-width: 991.98px) {
            .scene-block,
            .scene-block.reversed {
                flex-direction: column;
                gap: 40px;
                padding-bottom: 64px;
            }
            .scene-block:last-child {
                padding-bottom: 0;
            }
            .scene-img-wrapper {
                width: 100%;
            }
            .scene-float-card {
                bottom: -14px;
                right: 10px;
            }
        }

        @media (max-width: 767.98px) {
            .scene-title {
                font-size: 24px;
            }
            .scene-desc {
                font-size: 14px;
            }
            .scene-float-card {
                padding: 10px 16px;
            }
            .scene-float-value {
                font-size: 18px;
            }
        }

        .proof-section {
            background: var(--bg-dark);
        }

        .stats-row {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-bottom: 72px;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        @media (max-width: 767.98px) {
            .stats-row {
                gap: 30px;
                margin-bottom: 48px;
            }
            .stat-number {
                font-size: 32px;
            }
            .stat-label {
                font-size: 13px;
            }
        }

        .logo-wall {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 36px;
            flex-wrap: wrap;
            margin-bottom: 64px;
        }

        .logo-wall-item {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            filter: grayscale(1);
            opacity: .5;
            transition: filter .3s, color .3s, opacity .3s;
        }
        .logo-wall-item:hover {
            filter: grayscale(0);
            color: var(--primary);
            opacity: 1;
        }

        .testimonials-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-section);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            position: relative;
            transition: border-color .3s, box-shadow .3s;
        }
        .testimonial-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-icon {
            color: var(--primary);
            font-size: 28px;
            margin-bottom: 16px;
            opacity: .6;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }
        .testimonial-author strong {
            color: var(--text-main);
            font-weight: 600;
        }

        @media (max-width: 767.98px) {
            .testimonials-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .testimonial-card {
                padding: 24px 20px;
            }
        }

        .news-section {
            background: var(--bg-section);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: border-color .3s, box-shadow .3s, transform .3s;
        }
        .news-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-title a {
            color: var(--text-main);
            text-decoration: none;
            transition: color .2s;
        }
        .news-title a:hover {
            color: var(--primary);
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: gap .2s, color .2s;
        }
        .news-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        .empty-state {
            min-height: 240px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-card);
            grid-column: 1 / -1;
            padding: 40px;
        }

        .empty-state-icon {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .empty-state p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
        }

        @media (max-width: 767.98px) {
            .news-card {
                padding: 24px 20px;
            }
            .news-title {
                font-size: 16px;
            }
        }

        .faq-section {
            background: var(--bg-dark);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 60px;
            align-items: start;
        }

        .faq-left {
            position: sticky;
            top: 160px;
        }

        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(200, 169, 106, 0.1);
        }

        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-card);
            transition: color .2s;
        }
        .faq-accordion .accordion-button:hover {
            color: var(--primary);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--primary);
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--primary);
            width: auto;
            height: auto;
            margin-left: auto;
            background-size: contain;
            transition: transform .3s;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: none;
            content: '−';
            transform: none;
        }

        .faq-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            padding: 0 24px 24px;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        @media (max-width: 991.98px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .faq-left {
                position: static;
            }
        }

        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 70%;
            height: 220%;
            background: radial-gradient(ellipse at center, rgba(200, 169, 106, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 48px 0;
        }

        .cta-title {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-btn-main {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: var(--btn-text);
            border: none;
            padding: 16px 48px;
            font-size: 17px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all .25s ease;
            box-shadow: 0 4px 20px rgba(200, 169, 106, 0.3);
            position: relative;
            overflow: hidden;
        }
        .cta-btn-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left .5s ease;
        }
        .cta-btn-main:hover {
            transform: translateY(-2px);
            color: var(--btn-text);
            filter: brightness(1.05);
            box-shadow: 0 6px 26px rgba(200, 169, 106, 0.45);
        }
        .cta-btn-main:hover::before {
            left: 100%;
        }
        .cta-btn-main:active {
            transform: translateY(0);
        }

        @media (max-width: 767.98px) {
            .cta-title {
                font-size: 30px;
            }
            .cta-desc {
                font-size: 14px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .cta-btn-main {
                padding: 16px 36px;
                font-size: 16px;
                width: 100%;
                max-width: 300px;
            }
        }

        .site-footer {
            background: #080A0E;
            border-top: 1px solid var(--border-color);
            padding: 72px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }

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

        .footer-brand-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-contact {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-copyright {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding: 56px 0 96px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        .mobile-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--mobile-cta-z);
            background: rgba(14, 16, 19, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-color);
            padding: 12px 16px;
            padding-bottom: calc(12px + env(safe-area-inset-bottom));
            display: none;
            justify-content: center;
        }
        .mobile-cta-bar .btn {
            width: 100%;
            max-width: 400px;
        }

        @media (max-width: 767.98px) {
            .mobile-cta-bar {
                display: flex;
            }
        }

        .back-to-top {
            position: fixed;
            bottom: 100px;
            right: 24px;
            width: 44px;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            color: var(--text-secondary);
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            z-index: 900;
            transition: all .3s;
        }
        .back-to-top:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .back-to-top.show {
            display: flex;
        }

        @media (max-width: 767.98px) {
            .back-to-top {
                bottom: 160px;
            }
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --accent: #C8A96A;
            --accent-light: #D8BC82;
            --accent-dark: #B08D4F;
            --secondary: #35C4B9;
            --bg: #0E1013;
            --bg-secondary: #151921;
            --card-bg: #1A1E27;
            --border: #2A2F3A;
            --border-light: #333A47;
            --text: #EAE8E3;
            --text-secondary: #9BA1AB;
            --text-muted: #6B7280;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 24px rgba(200,169,106,0.12);
            --btn-shadow: 0 4px 14px rgba(200,169,106,0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
        }
        .container {
            max-width: 1320px;
        }
        .btn {
            border-radius: 8px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.02em;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
            color: #171A1F;
            box-shadow: var(--btn-shadow);
        }
        .btn-accent:hover {
            color: #171A1F;
            transform: translateY(-2px);
            filter: brightness(1.05);
            box-shadow: 0 6px 20px rgba(200,169,106,0.45);
        }
        .btn-outline-accent {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline-accent:hover {
            background: rgba(200,169,106,0.1);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 44px;
            font-size: 17px;
            border-radius: 10px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(14,16,19,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            height: 60px;
        }
        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #171A1F;
            font-size: 16px;
            flex-shrink: 0;
        }
        .brand-text {
            font-weight: 700;
            color: var(--text);
            font-size: 20px;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .brand-text em {
            font-style: normal;
            font-size: 0.7em;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            display: block;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-search input {
            width: 220px;
            height: 36px;
            background: #11151B;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 0 14px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,169,106,0.2);
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .search-btn {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(200,169,106,0.12);
            color: var(--accent);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .search-btn:hover {
            background: rgba(200,169,106,0.22);
            color: var(--accent);
        }
        .header-nav {
            border-top: 1px solid var(--border);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-block;
            padding: 10px 20px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--text);
            border-bottom-color: var(--border-light);
        }
        .nav-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .article-banner {
            padding: 130px 0 32px;
            background: linear-gradient(180deg, rgba(14,16,19,0.72) 0%, rgba(14,16,19,0.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .sep {
            color: var(--border-light);
        }
        .breadcrumb-nav .current {
            color: var(--accent);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-section {
            padding: 56px 0 64px;
        }
        .article-wrap {
            max-width: 720px;
            margin: 0 auto;
        }
        .article-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
        }
        .article-meta .dot {
            color: var(--border-light);
        }
        .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .article-meta .category a {
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: 100px;
            padding: 2px 14px;
            font-size: 13px;
            display: inline-block;
            transition: all 0.3s ease;
        }
        .article-meta .category a:hover {
            background: rgba(200,169,106,0.1);
        }
        .article-content {
            font-size: 17px;
            line-height: 2;
            color: var(--text);
            word-break: break-word;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            color: var(--text);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 22px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--text);
        }
        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin: 24px 0;
            background: var(--bg-secondary);
        }
        .article-content blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-secondary);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            margin: 32px 0;
            font-size: 15px;
        }
        .article-content a {
            color: var(--secondary);
            border-bottom: 1px solid rgba(53,196,185,0.3);
        }
        .article-content a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .article-content ul,
        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 16px;
            text-align: left;
        }
        .article-content table th {
            background: var(--bg-secondary);
            color: var(--text);
            font-weight: 600;
        }
        .article-tags-share {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 13px;
            transition: all 0.3s ease;
        }
        .article-tags .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .article-tags .tag i {
            font-size: 12px;
            color: var(--accent);
        }
        .article-share {
            display: flex;
            gap: 8px;
        }
        .article-share a {
            width: 36px;
            height: 36px;
            border: 1px solid var(--border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all 0.3s ease;
        }
        .article-share a:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius);
        }
        .article-empty i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }
        .article-empty h2 {
            font-size: 26px;
            margin-bottom: 8px;
            color: var(--text);
        }
        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .related-section {
            padding: 64px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
        }
        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--secondary);
            font-size: 13px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 600;
        }
        .section-tag::after {
            content: '';
            width: 40px;
            height: 1px;
            background: var(--secondary);
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }
        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            transition: all 0.3s ease;
            height: 100%;
        }
        .related-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-thumb {
            width: 120px;
            height: 80px;
            flex-shrink: 0;
            overflow: hidden;
            border-radius: 8px;
            background: #11151B;
            position: relative;
        }
        .related-thumb::before {
            content: '\f03e';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: var(--text-muted);
            font-size: 22px;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: relative;
            z-index: 1;
        }
        .related-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-body h4 a {
            color: var(--text);
        }
        .related-body h4 a:hover {
            color: var(--accent);
        }
        .related-time {
            font-size: 13px;
            color: var(--text-muted);
        }
        .related-time i {
            color: var(--accent);
            margin-right: 4px;
        }
        .related-section .btn {
            margin-top: 40px;
        }
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(200,169,106,0.08) 0%, rgba(53,196,185,0.06) 100%), var(--bg);
        }
        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 38px;
            font-weight: 700;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .cta-inner p {
            color: var(--text-secondary);
            margin-bottom: 32px;
            font-size: 16px;
        }
        .cta-inner .btn {
            min-width: 180px;
        }
        .site-footer {
            background: #080A0E;
            border-top: 1px solid var(--border);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin-top: 12px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact div {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copyright {
            color: var(--text-muted);
            font-size: 14px;
        }
        @media (max-width: 991.98px) {
            .article-title {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-inner h2 {
                font-size: 32px;
            }
        }
        @media (max-width: 767.98px) {
            .article-banner {
                padding: 105px 0 24px;
            }
            .article-section {
                padding: 36px 0 48px;
            }
            .article-title {
                font-size: 26px;
            }
            .article-content {
                font-size: 16px;
                line-height: 1.9;
            }
            .article-content h2 {
                font-size: 22px;
                margin-top: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-tags-share {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .cta-inner .btn {
                width: 100%;
                max-width: 280px;
            }
            .header-search {
                display: none;
            }
            .related-card {
                flex-direction: row;
                align-items: center;
            }
            .related-thumb {
                width: 100px;
                height: 76px;
            }
            .breadcrumb-nav .current {
                max-width: 180px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 17px;
            }
            .brand-text em {
                font-size: 0.68em;
            }
            .related-thumb {
                width: 88px;
                height: 68px;
            }
            .related-body h4 {
                font-size: 14px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --gold: #C8A96A;
            --gold-light: #D8BC82;
            --gold-dark: #B08D4F;
            --teal: #35C4B9;
            --bg-dark: #0E1013;
            --bg-secondary: #151921;
            --bg-card: #1A1E27;
            --border-color: #2A2F3A;
            --text-primary: #EAE8E3;
            --text-secondary: #9BA1AB;
            --text-muted: #6B7280;
            --btn-text: #171A1F;
            --success: #4CAF85;
            --warning: #E5A73A;
            --error: #D65B5B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-image: 16px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-card-hover: 0 8px 24px rgba(200,169,106,0.12);
            --shadow-btn: 0 4px 14px rgba(200,169,106,0.35);
            --transition-base: all 0.3s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮 ===== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-dark));
            color: var(--btn-text);
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: var(--shadow-btn);
            transition: var(--transition-base);
            cursor: pointer;
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            filter: brightness(1.05);
            color: var(--btn-text);
            box-shadow: 0 6px 20px rgba(200,169,106,0.45);
        }

        .btn-gold:focus-visible {
            outline: 3px solid rgba(200,169,106,0.4);
            outline-offset: 2px;
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--gold);
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            cursor: pointer;
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-outline-gold:hover {
            background: rgba(200,169,106,0.1);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline-gold:focus-visible {
            outline: 3px solid rgba(200,169,106,0.3);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }

        /* ===== 眉题 ===== */
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--teal);
            margin-bottom: 16px;
        }

        .section-eyebrow::after {
            content: "";
            display: inline-block;
            width: 32px;
            height: 1px;
            background: var(--teal);
            opacity: 0.7;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 24px;
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(14,16,19,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-top {
            padding: 10px 0;
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--gold);
            border-radius: 10px;
            color: var(--gold);
            font-size: 18px;
            background: rgba(200,169,106,0.08);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--gold-light), var(--gold) 60%, var(--gold-dark));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--gold);
        }

        .brand-text em {
            display: block;
            font-size: 12px;
            font-style: normal;
            font-weight: 400;
            letter-spacing: 0.06em;
            color: var(--text-secondary);
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-top: 2px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--input-bg, #11151B);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 4px 4px 4px 16px;
            max-width: 320px;
            width: 100%;
            transition: border-color 0.3s;
        }

        .header-search:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(200,169,106,0.2);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
            padding: 8px 4px;
        }

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

        .header-search .search-btn {
            width: 36px;
            height: 36px;
            border-radius: 6px;
            background: rgba(200,169,106,0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .header-search .search-btn:hover {
            background: rgba(200,169,106,0.22);
        }

        .header-nav {
            border-top: 1px solid var(--border-color);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0;
            flex-wrap: nowrap;
        }

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

        .nav-link {
            display: inline-block;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 6px;
            height: 2px;
            background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
            border-radius: 2px;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .nav-link:hover {
            color: var(--text-primary);
        }

        .nav-link.active {
            color: var(--gold);
        }

        .nav-link.active::after {
            opacity: 1;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 180px 0 100px;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(14,16,19,0.3) 0%, rgba(14,16,19,0.6) 50%, rgba(14,16,19,0.92) 100%);
        }

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

        .hero-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--teal);
            margin-bottom: 20px;
            border: 1px solid rgba(53,196,185,0.3);
            border-radius: 100px;
            padding: 6px 20px;
            background: rgba(53,196,185,0.06);
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            color: var(--gold);
            background: linear-gradient(135deg, #E6CF9C 0%, var(--gold) 50%, var(--gold-dark) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--gold);
            text-shadow: 0 4px 30px rgba(200,169,106,0.15);
            margin-bottom: 24px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
            font-weight: 400;
        }

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

        .hero-scroll {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-muted);
            font-size: 22px;
            animation: bounce 2s infinite;
            z-index: 2;
        }

        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(8px); }
        }

        /* ===== 分类简介 ===== */
        .category-intro {
            padding: 96px 0;
            background: var(--bg-secondary);
        }

        .category-intro .container {
            max-width: 900px;
            text-align: center;
        }

        .category-intro .section-eyebrow {
            justify-content: center;
        }

        .intro-text {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 40px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 22px;
            border: 1px solid var(--border-color);
            border-radius: 100px;
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            background: transparent;
        }

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

        .tag-item.active {
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--btn-text);
            border-color: transparent;
            font-weight: 600;
        }

        /* ===== 核心卖点 ===== */
        .category-features {
            padding: 96px 0;
            background: var(--bg-dark);
        }

        .category-features .section-eyebrow {
            justify-content: center;
        }

        .category-features .container {
            text-align: center;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            text-align: left;
            margin-top: 48px;
        }

        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            position: relative;
            transition: var(--transition-base);
            overflow: hidden;
        }

        .feature-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(to bottom, var(--teal), transparent);
            opacity: 0.6;
            transition: var(--transition-base);
        }

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

        .feature-item:hover::before {
            background: linear-gradient(to bottom, var(--gold), var(--gold-dark));
            opacity: 1;
        }

        .feature-number {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--teal);
            margin-bottom: 8px;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border: 1.5px solid var(--teal);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--teal);
            font-size: 20px;
            margin-bottom: 20px;
            transition: var(--transition-base);
        }

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

        .feature-item h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .feature-item p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 精选推荐内容 ===== */
        .category-showcase {
            padding: 96px 0;
            background: var(--bg-secondary);
        }

        .category-showcase .container {
            max-width: 1320px;
        }

        .category-showcase .section-eyebrow {
            justify-content: center;
        }

        .category-showcase .container>h2 {
            text-align: center;
        }

        .showcase-grid {
            margin-top: 48px;
        }

        .showcase-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            height: 100%;
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--bg-secondary);
            overflow: hidden;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .showcase-card:hover .card-media img {
            transform: scale(1.03);
        }

        .card-media .img-placeholder {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 36px;
            color: var(--text-muted);
            display: none;
        }

        .card-media.img-error img {
            display: none;
        }

        .card-media.img-error .img-placeholder {
            display: block;
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border: 1px solid var(--gold);
            border-radius: 100px;
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(14,16,19,0.55);
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }

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

        .card-link {
            font-size: 14px;
            color: var(--gold);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }

        .card-link i {
            transition: transform 0.3s;
        }

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

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

        .load-more-wrap {
            text-align: center;
            margin-top: 48px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 100px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-load-more:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
            background: rgba(200,169,106,0.06);
        }

        /* ===== 场景演示 ===== */
        .category-scene {
            padding: 96px 0;
            background: var(--bg-dark);
        }

        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 80px;
        }

        .scene-row:last-child {
            margin-bottom: 0;
        }

        .scene-row.reverse {
            direction: rtl;
        }

        .scene-row.reverse>* {
            direction: ltr;
        }

        .scene-media {
            position: relative;
            border-radius: var(--radius-image);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--bg-secondary);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .scene-media img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .scene-media .media-placeholder {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 48px;
            color: var(--text-muted);
            display: none;
        }

        .scene-media.img-error img {
            display: none;
        }

        .scene-media.img-error .media-placeholder {
            display: block;
        }

        .scene-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14,16,19,0.15), transparent 40%);
        }

        .scene-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            padding: 8px 18px;
            background: rgba(14,16,19,0.75);
            border: 1px solid var(--gold);
            border-radius: 100px;
            color: var(--gold);
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(6px);
        }

        .scene-content .section-eyebrow {
            margin-bottom: 12px;
        }

        .scene-content h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .scene-content p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .scene-list {
            margin-bottom: 24px;
        }

        .scene-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 0;
            font-size: 15px;
            color: var(--text-primary);
        }

        .scene-list li i {
            color: var(--teal);
            font-size: 14px;
            width: 24px;
            height: 24px;
            border: 1px solid rgba(53,196,185,0.4);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .scene-link i {
            transition: transform 0.3s;
        }

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

        .scene-link:hover i {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .category-faq {
            padding: 96px 0;
            background: var(--bg-secondary);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 360px 1fr;
            gap: 64px;
        }

        .faq-side .section-title {
            margin-bottom: 16px;
        }

        .faq-side p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

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

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--gold);
        }

        .accordion-header {
            margin: 0;
        }

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--gold);
        }

        .accordion-button:hover {
            background: rgba(200,169,106,0.04);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(200,169,106,0.15);
            border-color: var(--gold);
        }

        .accordion-button::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none !important;
            color: var(--gold);
            font-size: 14px;
            transition: transform 0.3s ease;
            width: auto;
            height: auto;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--gold);
            background-image: none;
        }

        .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .category-cta {
            padding: 96px 0;
            background: var(--bg-dark);
            position: relative;
            text-align: center;
        }

        .category-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .category-cta .container {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .cta-title {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .cta-title span {
            color: var(--gold);
        }

        .category-cta p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080A0E;
            border-top: 1px solid var(--border-color);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 20px;
        }

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

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }

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

        .footer-contact {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--gold);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-copyright {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
            }
        }

        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: 1fr;
                max-width: 560px;
                margin: 48px auto 0;
            }

            .scene-row,
            .scene-row.reverse {
                grid-template-columns: 1fr;
                gap: 40px;
                direction: ltr;
            }

            .scene-content h2 {
                font-size: 28px;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .header-top-inner {
                flex-direction: column;
                align-items: flex-start;
                padding-top: 16px;
                gap: 12px;
            }

            .header-search {
                width: 100%;
                max-width: 100%;
            }

            .category-hero {
                padding: 130px 0 60px;
                min-height: 60vh;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-gold,
            .btn-outline-gold {
                width: 100%;
                max-width: 240px;
            }

            .category-intro,
            .category-features,
            .category-showcase,
            .category-scene,
            .category-faq,
            .category-cta {
                padding: 64px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .features-grid {
                gap: 20px;
                margin-top: 32px;
            }

            .feature-item {
                padding: 32px 24px;
            }

            .showcase-grid .col-12 {
                padding-left: 0;
                padding-right: 0;
            }

            .tag-row {
                gap: 8px;
            }

            .tag-item {
                padding: 6px 16px;
                font-size: 13px;
            }

            .cta-title {
                font-size: 28px;
            }

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

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-text em {
                font-size: 11px;
            }

            .hero-title {
                font-size: 28px;
            }

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

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

        /* ===== 通用图片占位 ===== */
        .img-error {
            background: var(--bg-secondary);
        }