/* roulang page: index */
:root {
            --primary: #6C5CE7;
            --primary-light: #8B7CF7;
            --primary-dark: #4A3DB6;
            --secondary: #FF9F43;
            --secondary-light: #FFBE76;
            --bg-dark: #0F0A1E;
            --bg-body: #F8F7FC;
            --text-main: #1E1B2E;
            --text-weak: #6B7280;
            --border: #E5E7ED;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            line-height: 1.2;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 6px 24px rgba(108, 92, 231, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(108, 92, 231, 0.45);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary) 0%, #e8833a 100%);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 159, 67, 0.3);
        }
        .btn-secondary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 159, 67, 0.4);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text-main);
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 640px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }
        .badge-hot {
            background: rgba(255, 159, 67, 0.15);
            color: #e8833a;
        }
        .badge-new {
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary);
        }

        .progress-bar {
            height: 6px;
            border-radius: 50px;
            background: #eceaf3;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            border-radius: 50px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .header-nav {
            transition: var(--transition);
        }
        .header-nav.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #fff;
            padding: 8px 4px;
            transition: var(--transition);
            opacity: 0.85;
        }
        .nav-link:hover {
            opacity: 1;
            color: var(--secondary-light);
        }
        .nav-link.active {
            opacity: 1;
            color: var(--secondary-light);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--secondary);
        }
        .nav-link-light {
            color: var(--text-main);
        }
        .nav-link-light:hover {
            color: var(--primary);
        }
        .nav-link-light.active {
            color: var(--primary);
        }
        .nav-link-light.active::after {
            background: var(--primary);
        }

        .mobile-menu {
            transition: max-height 0.35s ease, opacity 0.3s ease;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .mobile-menu.open {
            max-height: 500px;
            opacity: 1;
        }

        .hero-section {
            background-color: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 10, 30, 0.92) 0%, rgba(15, 10, 30, 0.65) 45%, rgba(15, 10, 30, 0.35) 100%);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, rgba(248, 247, 252, 1));
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(229, 231, 237, 0.6);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .news-item {
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .news-item:hover {
            border-left-color: var(--primary);
            background: #faf9fe;
            transform: translateX(4px);
        }

        .faq-item {
            transition: var(--transition);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-icon {
            transition: transform 0.3s ease;
        }

        .cta-section {
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.92), rgba(15, 10, 30, 0.88));
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--secondary-light);
            padding-left: 6px;
        }

        .category-cover {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius);
        }
        .category-cover img {
            transition: transform 0.5s ease;
        }
        .category-cover:hover img {
            transform: scale(1.06);
        }

        .icon-circle {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 20px;
            }
            .hero-title {
                font-size: 36px !important;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .section-title {
                font-size: 26px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .hero-section::after {
                height: 80px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 30px !important;
            }
            .section-title {
                font-size: 24px;
            }
            .grid-cols-3 {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF7A00;
            --primary-dark: #E05E00;
            --primary-light: #FFB347;
            --bg-dark: #0F0A1E;
            --bg-card: rgba(255,255,255,0.04);
            --border-white: rgba(255,255,255,0.1);
            --text-muted: rgba(255,255,255,0.55);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: #fff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        /* 导航 */
        .nav-link {
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
            padding: 4px 2px;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #FF7A00;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #FF7A00;
            border-radius: 2px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 12px;
            transition: all 0.3s;
            border: none;
        }
        .btn-secondary {
            background: linear-gradient(135deg, #FF7A00, #E05E00);
            box-shadow: 0 4px 20px rgba(255,122,0,0.3);
            color: #fff;
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(255,122,0,0.45);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            color: #fff;
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.15);
            border-color: rgba(255,255,255,0.3);
            transform: translateY(-2px);
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            z-index: 100;
            max-height: calc(100vh - 80px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }

        /* 文章内容排版 */
        .article-content {
            color: rgba(255,255,255,0.85);
            font-size: 1.06rem;
            line-height: 1.95;
        }
        .article-content h2 {
            color: #fff;
            font-size: 1.45rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-left: 0.9rem;
            border-left: 4px solid #FF7A00;
            border-radius: 0 4px 4px 0;
            line-height: 1.4;
        }
        .article-content h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            line-height: 1.4;
        }
        .article-content h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.5rem 0 0.6rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
            color: rgba(255,255,255,0.8);
        }
        .article-content ul {
            margin: 1.2rem 0;
            padding-left: 1.6rem;
            list-style: disc;
        }
        .article-content ul li {
            margin-bottom: 0.55rem;
            color: rgba(255,255,255,0.8);
        }
        .article-content ol {
            margin: 1.2rem 0;
            padding-left: 1.6rem;
            list-style: decimal;
        }
        .article-content ol li {
            margin-bottom: 0.55rem;
            color: rgba(255,255,255,0.8);
        }
        .article-content img {
            border-radius: 16px;
            margin: 1.6rem 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.3);
        }
        .article-content a {
            color: #FF7A00;
            border-bottom: 1px solid rgba(255,122,0,0.3);
        }
        .article-content a:hover {
            border-bottom-color: #FF7A00;
        }
        .article-content blockquote {
            border-left: 3px solid #FF7A00;
            background: rgba(255,122,0,0.06);
            padding: 1rem 1.25rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: rgba(255,255,255,0.75);
            font-style: italic;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .article-content table th {
            background: rgba(255,255,255,0.08);
            color: #fff;
            text-align: left;
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.15);
        }
        .article-content table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.7);
        }
        .article-content table tr:hover td {
            background: rgba(255,255,255,0.02);
        }
        .article-content strong {
            color: #fff;
            font-weight: 600;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin: 2rem 0;
        }

        /* Footer */
        .footer-link {
            color: rgba(255,255,255,0.5);
            transition: all 0.3s;
        }
        .footer-link:hover {
            color: #FF7A00;
            padding-left: 4px;
        }

        /* 过渡 */
        .transition-all-300 {
            transition: all 0.3s ease;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* CTA背景渐变 */
        .cta-overlay {
            background: linear-gradient(120deg, rgba(15,10,30,0.97) 0%, rgba(15,10,30,0.85) 50%, rgba(15,10,30,0.4) 100%);
        }

        /* 焦点状态 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #FF7A00;
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 20px;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .article-content {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .article-content .article-content-img {
                margin: 1rem 0;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF7A45;
            --primary-dark: #E64A19;
            --secondary: #FFC53D;
            --bg-dark: #0F0A1E;
            --card-bg: #1A1128;
            --border-white: rgba(255, 255, 255, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0F0A1E;
            color: rgba(255, 255, 255, 0.85);
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
        }
        .nav-link {
            position: relative;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0.25rem;
            transition: color 0.2s ease;
            text-decoration: none;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2px;
            border-radius: 999px;
            background: linear-gradient(90deg, #FF7A45, #FFC53D);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 0.75rem;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #FF7A45, #E64A19);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 122, 69, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 122, 69, 0.45);
            color: #fff;
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
            color: #fff;
        }
        .card {
            background: #1A1128;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 122, 69, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }
        .card-img {
            position: relative;
            overflow: hidden;
        }
        .card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 10, 30, 0.65) 0%, transparent 60%);
            pointer-events: none;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(255, 122, 69, 0.15);
            color: #FF9E70;
            border: 1px solid rgba(255, 122, 69, 0.2);
        }
        .badge-blue {
            background: rgba(80, 130, 255, 0.15);
            color: #7EA6FF;
            border-color: rgba(80, 130, 255, 0.2);
        }
        .badge-green {
            background: rgba(52, 211, 153, 0.15);
            color: #6EE7B7;
            border-color: rgba(52, 211, 153, 0.2);
        }
        .badge-yellow {
            background: rgba(255, 192, 76, 0.15);
            color: #FFD56A;
            border-color: rgba(255, 192, 76, 0.2);
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-link:hover {
            color: #FF9E70;
            padding-left: 4px;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .faq-item {
            background: #1A1128;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .faq-item:hover {
            border-color: rgba(255, 122, 69, 0.25);
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary {
            cursor: pointer;
            list-style: none;
        }
        .faq-item details[open] summary .fa-plus {
            transform: rotate(45deg);
        }
        .faq-item .fa-plus {
            transition: transform 0.3s ease;
        }
        .progress-track {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            overflow: hidden;
        }
        .progress-bar {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #FF7A45, #FFC53D);
            display: block;
        }
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid #FFC53D;
            outline-offset: 3px;
            border-radius: 0.5rem;
        }
        .text-gradient {
            background: linear-gradient(90deg, #FF7A45, #FFC53D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-overlay {
            background: linear-gradient(115deg, rgba(15, 10, 30, 0.94) 0%, rgba(15, 10, 30, 0.78) 45%, rgba(15, 10, 30, 0.4) 100%);
        }
        .rank-number {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #FF7A45, #FFC53D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .step-card {
            position: relative;
            background: #1A1128;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            padding: 2rem 1.5rem;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 122, 69, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            background: linear-gradient(135deg, #FF7A45, #E64A19);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 122, 69, 0.3);
        }
        .cta-panel {
            border-radius: 2rem;
            overflow: hidden;
            position: relative;
            background-color: rgba(26, 17, 40, 0.6);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .cta-panel>* {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 1024px) {
            .nav-link {
                font-size: 0.9rem;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .card-img img {
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .btn {
                padding: 0.65rem 1.2rem;
                font-size: 0.9rem;
            }
            .card-img img {
                height: 150px;
            }
            .step-card {
                padding: 1.5rem 1rem;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #8B5CF6;
            --primary-dark: #6D28D9;
            --accent: #F59E0B;
            --bg-dark: #0F0A1E;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.09);
            --text-white: #FFFFFF;
            --text-muted: rgba(255, 255, 255, 0.6);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.35);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== 导航 ===== */
        .nav-link {
            position: relative;
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            padding: 0.5rem 0.25rem;
            transition: color 0.3s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #8B5CF6, #6D28D9);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: var(--text-white);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--text-white);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: 0.75rem;
            padding: 0.75rem 1.5rem;
            transition: all 0.3s ease;
            line-height: 1.4;
        }
        .btn-secondary {
            background: linear-gradient(135deg, #8B5CF6, #6D28D9);
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.45);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-white);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary);
        }
        .btn-accent {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
            color: #1a1a1a;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
        }

        /* ===== 移动端菜单 ===== */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .mobile-menu.open {
            max-height: 500px;
        }

        /* ===== 区块 ===== */
        .section-padding {
            padding: 5rem 0;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
        }
        .card:hover {
            transform: translateY(-8px);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-lg);
        }

        /* ===== 标签/徽章 ===== */
        .badge-hot {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(217, 119, 6, 0.95));
            color: #1a1a1a;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            z-index: 2;
        }
        .badge-status {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(16, 185, 129, 0.9);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            z-index: 2;
        }
        .badge-status.coming {
            background: rgba(245, 158, 11, 0.9);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            background: rgba(139, 92, 246, 0.15);
            color: #c4b5fd;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            border: 1px solid rgba(139, 92, 246, 0.25);
        }

        /* ===== 进度条 ===== */
        .progress {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 99px;
            overflow: hidden;
            margin: 0.75rem 0 0.25rem;
        }
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #8B5CF6, #6D28D9);
            border-radius: 99px;
            transition: width 0.6s ease;
        }
        .progress-bar.accent {
            background: linear-gradient(90deg, #F59E0B, #D97706);
        }

        /* ===== 排行数字 ===== */
        .rank-number {
            position: absolute;
            bottom: -1rem;
            right: 1rem;
            width: 3rem;
            height: 3rem;
            background: linear-gradient(135deg, #8B5CF6, #6D28D9);
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
            z-index: 2;
            border: 2px solid #0F0A1E;
        }

        /* ===== 数据统计 ===== */
        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 1.5rem 1rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(139, 92, 246, 0.3);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #8B5CF6, #C4B5FD);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* ===== 步骤流程 ===== */
        .step-item {
            position: relative;
            text-align: center;
            padding: 2rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            transition: all 0.3s ease;
        }
        .step-item:hover {
            background: rgba(139, 92, 246, 0.1);
            border-color: rgba(139, 92, 246, 0.3);
            transform: translateY(-4px);
        }
        .step-number {
            width: 3rem;
            height: 3rem;
            margin: 0 auto 1rem;
            background: linear-gradient(135deg, #8B5CF6, #6D28D9);
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(139, 92, 246, 0.35);
        }

        /* ===== 时间线 ===== */
        .timeline-wrapper {
            position: relative;
            padding-left: 2rem;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 1.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.85rem;
            top: 0.25rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #0F0A1E;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-item.accent::before {
            background: var(--accent);
            box-shadow: 0 0 0 2px var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(139, 92, 246, 0.3);
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .footer-link {
            display: inline-flex;
            align-items: center;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease, transform 0.3s ease;
        }
        .footer-link:hover {
            color: var(--text-white);
            transform: translateX(4px);
        }

        /* ===== Hero ===== */
        .hero-banner {
            background-image: linear-gradient(135deg, rgba(15, 10, 30, 0.85), rgba(15, 10, 30, 0.6)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 6rem 0;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            background-image: linear-gradient(120deg, rgba(15, 10, 30, 0.9), rgba(76, 29, 149, 0.8)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 140%;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
            pointer-events: none;
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 0.5rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .hero-banner {
                padding: 4rem 0;
                min-height: 360px;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
            .hero-banner {
                padding: 3rem 0;
                min-height: 300px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-banner {
                padding: 2.5rem 0;
                min-height: 260px;
            }
            .hero-banner h1 {
                font-size: 1.8rem !important;
            }
            .hero-banner p {
                font-size: 0.9rem !important;
            }
            .step-item {
                padding: 1.25rem 0.75rem;
            }
            .rank-number {
                width: 2.5rem;
                height: 2.5rem;
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #F59E0B;
            --primary-dark: #B45309;
            --bg-deep: #0F0A1E;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border-muted: rgba(255, 255, 255, 0.08);
            --text-muted: rgba(255, 255, 255, 0.52);
            --radius-lg: 20px;
            --radius-md: 14px;
            --shadow-primary: 0 8px 32px rgba(245, 158, 11, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-deep);
            color: #ffffff;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header/Nav ===== */
        .nav-link {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            right: 0;
            height: 2px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), rgba(245, 158, 11, 0.1));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }

        .nav-link:hover {
            color: #ffffff;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu {
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .mobile-menu.open {
            display: block;
            max-height: 520px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
            border: none;
            outline: none;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #0F0A1E;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.42);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #F59E0B 0%, #B45309 100%);
            color: #ffffff;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.38);
            color: #ffffff;
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.28);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Cards ===== */
        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .match-card:hover {
            transform: translateY(-6px);
            border-color: rgba(245, 158, 11, 0.3);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(245, 158, 11, 0.12);
            background: var(--bg-card-hover);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .badge-gold {
            background: rgba(245, 158, 11, 0.15);
            color: #F59E0B;
            border: 1px solid rgba(245, 158, 11, 0.3);
        }

        .badge-white {
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .heat-bar {
            height: 6px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }

        .heat-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: linear-gradient(90deg, #F59E0B, #D97706);
            box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
        }

        /* ===== Timeline ===== */
        .timeline-item {
            position: relative;
            padding: 0 0 40px 32px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(245, 158, 11, 0.7), rgba(255, 255, 255, 0.08));
            border-radius: 2px;
        }

        .timeline-item:last-child::before {
            bottom: auto;
            height: 24px;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            left: 2px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
        }

        /* ===== List ===== */
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-radius: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-muted);
            transition: all 0.3s ease;
        }

        .news-list-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(245, 158, 11, 0.22);
            transform: translateX(6px);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-muted);
            border-radius: 16px;
            background: var(--bg-card);
            transition: border-color 0.3s ease;
            margin-bottom: 12px;
        }

        .faq-item[open] {
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.03);
        }

        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-radius: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .fa-chevron-down {
            transition: transform 0.3s ease;
            color: rgba(255, 255, 255, 0.4);
        }

        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }

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

        /* ===== Footer ===== */
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }

        .footer-link:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ===== Section spacing ===== */
        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: clamp(24px, 3.4vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 560px;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
            .container-custom {
                padding: 0 20px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .container-custom {
                padding: 0 14px;
            }
            .nav-link {
                font-size: 14px;
            }
        }