/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --c-primary: #4a5cf7;
            --c-primary-deep: #2f3dd1;
            --c-primary-light: #eef0fe;
            --c-accent: #f5a623;
            --c-accent-deep: #d98b0e;
            --c-accent-light: #fff4df;
            --c-bg: #f5f7fb;
            --c-bg-light: #ffffff;
            --c-bg-dark: #0e1220;
            --c-bg-dark-2: #161c32;
            --c-text: #18203a;
            --c-text-secondary: #515a73;
            --c-text-weak: #8a92ab;
            --c-border: #e3e7f0;
            --c-success: #12b76a;
            --c-danger: #f04438;
            --shadow-sm: 0 2px 12px rgba(16, 24, 64, 0.06);
            --shadow-md: 0 6px 24px rgba(16, 24, 64, 0.08);
            --shadow-lg: 0 16px 48px rgba(16, 24, 64, 0.12);
            --shadow-primary: 0 8px 28px rgba(74, 92, 247, 0.28);
            --radius-xs: 8px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --font-base: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", Consolas, monospace;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 76px;
            --container-w: 1200px;
            --gutter: 24px;
            --space-section: 100px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        input,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--c-text);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(74, 92, 247, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 容器与通用 ===== */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }
        .section-head {
            max-width: 640px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-head .tag {
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(28px, 3.6vw, 40px);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--c-text-secondary);
            line-height: 1.8;
        }
        .section-head.light h2,
        .section-head.light p {
            color: #fff;
        }
        .section-head.light p {
            opacity: 0.72;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }
        .tag .dot {
            width: 6px;
            height: 6px;
            background: var(--c-primary);
            border-radius: 50%;
            display: inline-block;
        }
        .tag.orange {
            background: var(--c-accent-light);
            color: var(--c-accent-deep);
        }
        .tag.orange .dot {
            background: var(--c-accent);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            border: 2px solid transparent;
            transition: all var(--transition);
            text-align: center;
        }
        .btn i {
            font-size: 14px;
            transition: transform var(--transition);
        }
        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            background: var(--c-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(74, 92, 247, 0.36);
        }
        .btn-primary:hover i {
            transform: translateX(4px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(74, 92, 247, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--c-text);
            border-color: var(--c-border);
        }
        .btn-secondary:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(74, 92, 247, 0.04);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--c-primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
            color: var(--c-primary-deep);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .btn-block {
            width: 100%;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(227, 231, 240, 0.7);
            height: var(--header-height);
        }
        .nav-wrap {
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--c-primary), #7b5cf7);
            border-radius: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            box-shadow: 0 6px 18px rgba(74, 92, 247, 0.3);
        }
        .nav-logo .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .nav-logo .logo-text span {
            color: var(--c-primary);
        }
        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--c-text-weak);
            font-weight: 400;
            letter-spacing: 0.08em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-secondary);
        }
        .nav-links a i {
            font-size: 14px;
            opacity: 0.7;
        }
        .nav-links a:hover {
            color: var(--c-primary);
            background: var(--c-primary-light);
        }
        .nav-links a.active {
            color: var(--c-primary);
            background: var(--c-primary-light);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--c-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text);
            font-size: 15px;
            border: 1px solid transparent;
        }
        .nav-search:hover {
            background: var(--c-primary-light);
            color: var(--c-primary);
            border-color: rgba(74, 92, 247, 0.2);
        }
        .nav-btn {
            padding: 10px 24px;
            font-size: 14px;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--c-bg);
            color: var(--c-text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            background: var(--c-primary-light);
            color: var(--c-primary);
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: var(--shadow-lg);
            padding: 24px;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            z-index: 999;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--c-text);
            margin-bottom: 4px;
        }
        .mobile-menu a i {
            width: 22px;
            text-align: center;
            color: var(--c-primary);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--c-primary-light);
            color: var(--c-primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: calc(100vh - var(--header-height));
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            background: linear-gradient(105deg, var(--c-bg-dark) 0%, #171f3d 50%, #1d2350 100%);
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") right center / cover no-repeat;
            opacity: 0.5;
            mix-blend-mode: screen;
        }
        .hero::after {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(74, 92, 247, 0.3), transparent 70%);
            top: -120px;
            right: -120px;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }
        .hero-content {
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
        }
        .hero-badge .hot-dot {
            width: 7px;
            height: 7px;
            background: var(--c-accent);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.2);
        }
        .hero h1 {
            font-size: clamp(38px, 5vw, 58px);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }
        .hero h1 .grad {
            background: linear-gradient(90deg, #8ba2ff, var(--c-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin-bottom: 14px;
        }
        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .hero-points li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }
        .hero-points li i {
            color: var(--c-accent);
            font-size: 12px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 42px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            max-width: 480px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            backdrop-filter: blur(4px);
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .hero-stat .num i {
            font-size: 18px;
            color: var(--c-accent);
            margin-left: 4px;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }
        .hero-visual {
            position: relative;
        }
        .hero-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.2);
            max-width: 460px;
            margin-left: auto;
        }
        .hero-card .card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .hero-card .card-head .title {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
        }
        .hero-card .card-head .more {
            font-size: 13px;
            color: var(--c-primary);
            font-weight: 500;
        }
        .hero-card .entry-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-card .entry-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
        }
        .hero-card .entry-item:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .hero-card .entry-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }
        .hero-card .entry-icon.orange {
            background: var(--c-accent-light);
            color: var(--c-accent-deep);
        }
        .hero-card .entry-icon.green {
            background: rgba(18, 183, 106, 0.12);
            color: var(--c-success);
        }
        .hero-card .entry-info {
            flex: 1;
            min-width: 0;
        }
        .hero-card .entry-info .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text);
        }
        .hero-card .entry-info .meta {
            font-size: 12px;
            color: var(--c-text-weak);
        }
        .hero-card .entry-arrow {
            color: var(--c-text-weak);
            font-size: 14px;
        }
        .hero-card .entry-item:hover .entry-arrow {
            color: var(--c-primary);
            transform: translateX(4px);
        }
        .hero-card .hot-badge {
            background: linear-gradient(135deg, #ff6a3d, #f04438);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
        }
        .hero-card .thumb-group {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .hero-card .thumb-group img {
            width: 72px;
            height: 96px;
            object-fit: cover;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }
        .hero-card .thumb-info {
            min-width: 0;
        }
        .hero-card .thumb-info .t-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .hero-card .thumb-info .t-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .hero-card .thumb-info .t-tags span {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            background: var(--c-bg);
            color: var(--c-text-secondary);
            border: 1px solid var(--c-border);
        }
        .hero-card .progress-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--c-text-weak);
        }
        .hero-card .progress-bar {
            flex: 1;
            height: 6px;
            background: var(--c-border);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }
        .hero-card .progress-bar .fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: linear-gradient(90deg, var(--c-primary), #7b5cf7);
            width: 86%;
        }
        .float-card {
            position: absolute;
            bottom: -24px;
            left: -28px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 14px;
            border: 1px solid var(--c-border);
        }
        .float-card .icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--c-accent-light);
            color: var(--c-accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .float-card .text .t1 {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.3;
        }
        .float-card .text .t2 {
            font-size: 12px;
            color: var(--c-text-weak);
        }

        /* ===== 核心功能 ===== */
        .feature-section {
            background: var(--c-bg);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            position: relative;
            overflow: hidden;
            transition: all var(--transition);
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            border-color: transparent;
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .feature-card .icon.orange {
            background: var(--c-accent-light);
            color: var(--c-accent-deep);
        }
        .feature-card .icon.green {
            background: rgba(18, 183, 106, 0.12);
            color: var(--c-success);
        }
        .feature-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-card .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .feature-card .feature-tags span {
            font-size: 12px;
            padding: 4px 12px;
            background: var(--c-bg);
            border-radius: var(--radius-pill);
            color: var(--c-text-secondary);
            border: 1px solid var(--c-border);
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--c-bg-light);
        }
        .category-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            isolation: isolate;
            transition: all var(--transition);
        }
        .category-card::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }
        .category-card::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(10, 15, 30, 0.88) 100%);
        }
        .category-card:hover::before {
            transform: scale(1.05);
        }
        .category-card.cat-1::before {
            background-image: url("/assets/images/backpic/back-2.png");
        }
        .category-card.cat-2::before {
            background-image: url("/assets/images/backpic/back-3.png");
        }
        .category-card .cat-content {
            position: relative;
            z-index: 2;
            padding: 40px;
            width: 100%;
        }
        .category-card .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 166, 35, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .category-card h3 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 10px;
        }
        .category-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin-bottom: 22px;
            max-width: 420px;
        }
        .category-card .cat-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 22px;
        }
        .category-card .cat-meta i {
            margin-right: 4px;
        }
        .category-card .btn {
            background: #fff;
            color: var(--c-text);
            padding: 10px 24px;
            font-size: 14px;
        }
        .category-card .btn:hover {
            background: var(--c-accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            background: var(--c-bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .news-item .cover {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--c-bg);
        }
        .news-item .content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .news-item .content .tag-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
        }
        .news-item .content .tag-row span {
            font-size: 11px;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: var(--c-primary-light);
            color: var(--c-primary);
            font-weight: 600;
        }
        .news-item .content .tag-row .time {
            font-size: 12px;
            color: var(--c-text-weak);
        }
        .news-item h3 {
            font-size: 15px;
            line-height: 1.5;
            margin-bottom: 6px;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item h3 a:hover {
            color: var(--c-primary);
        }
        .news-item .summary {
            font-size: 13px;
            color: var(--c-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .sidebar-card {
            background: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .sidebar-card .side-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card .side-title i {
            color: var(--c-accent);
        }
        .side-rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .side-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 0;
        }
        .side-rank-item .rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--c-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--c-text-secondary);
            flex-shrink: 0;
        }
        .side-rank-item:nth-child(1) .rank {
            background: #ff6a3d;
            color: #fff;
        }
        .side-rank-item:nth-child(2) .rank {
            background: var(--c-accent);
            color: #fff;
        }
        .side-rank-item:nth-child(3) .rank {
            background: #8ba2ff;
            color: #fff;
        }
        .side-rank-item .name {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .side-rank-item .hot {
            font-size: 12px;
            color: var(--c-accent-deep);
            font-weight: 600;
            background: var(--c-accent-light);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
        }
        .side-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .side-tag-cloud a {
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--c-bg);
            color: var(--c-text-secondary);
            border: 1px solid var(--c-border);
        }
        .side-tag-cloud a:hover {
            background: var(--c-primary-light);
            color: var(--c-primary);
            border-color: transparent;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            background: var(--c-bg-light);
            border-radius: var(--radius-md);
            border: 1px dashed var(--c-border);
            color: var(--c-text-weak);
            font-size: 14px;
        }

        /* ===== 热度榜单 ===== */
        .ranking-section {
            background: var(--c-bg-dark);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .ranking-section::before {
            content: "";
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(74, 92, 247, 0.25), transparent 70%);
            top: -200px;
            right: -100px;
        }
        .ranking-section::after {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.12), transparent 70%);
            bottom: -160px;
            left: -100px;
        }
        .ranking-section .container {
            position: relative;
            z-index: 2;
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .ranking-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(8px);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .ranking-card:hover {
            border-color: rgba(74, 92, 247, 0.5);
            background: linear-gradient(145deg, rgba(74, 92, 247, 0.15), rgba(255, 255, 255, 0.04));
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .ranking-card .rank-num {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(90deg, #8ba2ff, #fff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1;
            margin-bottom: 14px;
        }
        .ranking-card .rank-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--c-accent);
            margin-bottom: 18px;
        }
        .ranking-card h3 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 8px;
        }
        .ranking-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .ranking-card .progress-line {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }
        .ranking-card .progress-line .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            flex-shrink: 0;
        }
        .ranking-card .progress-line .bar {
            flex: 1;
            height: 6px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }
        .ranking-card .progress-line .bar .fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            width: 86%;
        }
        .ranking-card .progress-line .val {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-accent);
            font-family: var(--font-mono);
        }
        .ranking-card .rank-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            margin-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .ranking-card .rank-foot .tags {
            display: flex;
            gap: 6px;
        }
        .ranking-card .rank-foot .tags span {
            font-size: 11px;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
        }
        .ranking-card .rank-foot .link {
            font-size: 13px;
            color: var(--c-accent);
            font-weight: 500;
        }

        /* ===== 登录流程 ===== */
        .steps-section {
            background: var(--c-bg-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            position: relative;
            padding: 32px 24px;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            text-align: center;
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 18px;
            right: 20px;
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 800;
            color: rgba(74, 92, 247, 0.1);
            line-height: 1;
        }
        .step-card:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-card .icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 14px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }
        .step-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--c-text-secondary);
            line-height: 1.6;
        }
        .step-connector {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--c-bg);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(74, 92, 247, 0.3);
        }
        .faq-item.open {
            box-shadow: var(--shadow-sm);
            border-color: var(--c-primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: transparent;
        }
        .faq-question .q-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-question .arrow {
            margin-left: auto;
            color: var(--c-text-weak);
            font-size: 14px;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--c-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 28px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px 72px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--c-text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, var(--c-bg-dark) 0%, var(--c-bg-dark-2) 100%);
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") center / cover no-repeat;
            opacity: 0.12;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(74, 92, 247, 0.3), transparent 70%);
            top: -160px;
            left: 50%;
            transform: translateX(-50%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(30px, 4vw, 44px);
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .cta-note {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-note span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cta-note i {
            color: var(--c-accent);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--c-bg-dark);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 28px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .logo-text span {
            color: var(--c-accent);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--c-accent);
            padding-left: 6px;
        }
        .footer-col ul a i {
            font-size: 12px;
            opacity: 0.6;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }
        .footer-bottom .beian {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            display: flex;
            gap: 16px;
        }
        .footer-bottom .beian a:hover {
            color: var(--c-accent);
        }

        /* ===== 面包屑（内页留用） ===== */
        .page-hero {
            position: relative;
            padding: 80px 0;
            background: var(--c-bg-dark);
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-2.png") center / cover no-repeat;
            opacity: 0.25;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero .crumb {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .page-hero .crumb a:hover {
            color: var(--c-accent);
        }
        .page-hero h1 {
            color: #fff;
            font-size: clamp(28px, 4vw, 38px);
            margin-bottom: 12px;
        }
        .page-hero p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 80px;
            }
            .hero .container {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .hero-card {
                margin-left: 0;
            }
            .float-card {
                left: -10px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 900px) {
            .hero {
                padding: 60px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .hero-visual {
                max-width: 520px;
            }
            .hero-card {
                margin: 0 auto;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 64px;
                --header-height: 66px;
            }
            .nav-links,
            .nav-actions .nav-btn,
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-logo .logo-text {
                font-size: 15px;
            }
            .nav-logo .logo-sub {
                display: none;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat {
                padding: 14px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
            .hero-card {
                padding: 24px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .cover {
                width: 100%;
                height: 160px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            :root {
                --gutter: 16px;
                --space-section: 56px;
                --header-height: 60px;
            }
            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .nav-logo .logo-text {
                font-size: 14px;
            }
            .nav-btn {
                display: none !important;
            }
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-points li {
                font-size: 12px;
                padding: 5px 10px;
            }
            .hero-btns .btn {
                padding: 11px 22px;
                font-size: 14px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 8px;
            }
            .hero-stat .num {
                font-size: 18px;
            }
            .hero-stat .label {
                font-size: 11px;
            }
            .hero-card {
                padding: 18px;
            }
            .hero-card .entry-item {
                padding: 12px;
            }
            .hero-card .thumb-group img {
                width: 56px;
                height: 76px;
            }
            .float-card {
                display: none;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .category-card .cat-content {
                padding: 24px;
            }
            .category-card h3 {
                font-size: 22px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                padding: 18px 20px;
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 20px 20px 60px;
                font-size: 14px;
            }
            .cta-btns .btn {
                width: 100%;
            }
            .cta-note {
                flex-direction: column;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

        /* ===== 动画 ===== */
        @keyframes floatY {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }
        .float-card {
            animation: floatY 4s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.2);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(245, 166, 35, 0.05);
            }
        }
        .hero-badge .hot-dot {
            animation: pulse 2s ease-in-out infinite;
        }

/* roulang page: category1 */
:root {
            --bg: #0a0e1a;
            --bg-soft: #111827;
            --bg-card: rgba(255, 255, 255, 0.045);
            --bg-card-hover: rgba(255, 255, 255, 0.075);
            --border: rgba(255, 255, 255, 0.09);
            --border-strong: rgba(255, 255, 255, 0.16);
            --text: #eef2f7;
            --text-soft: #b9c4d6;
            --muted: #8b97ad;
            --primary: #ff7a18;
            --primary-2: #ffb057;
            --accent: #4cc9f0;
            --success: #2dd4a7;
            --danger: #ff5d6c;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.25);
            --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            --shadow-primary: 0 12px 32px rgba(255, 122, 24, 0.25);
            --space-section: 92px;
            --container-w: 1200px;
            --header-h: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
        }

        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-h);
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 24px;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
            color: #fff;
        }

        .logo-text .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            font-size: 17px;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-soft);
            transition: color 0.2s, background 0.2s, transform 0.2s;
            white-space: nowrap;
        }

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

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-1px);
        }

        .nav-links a.active {
            background: rgba(255, 122, 24, 0.14);
            color: var(--primary-2);
        }

        .nav-links a.active i {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            color: var(--muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-search input {
            width: 200px;
            height: 40px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            color: #fff;
            font-size: 14px;
            padding: 0 16px 0 40px;
            transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
        }

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

        .header-search input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.09);
            box-shadow: 0 0 0 3px rgba(255, 122, 24, 0.12);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 38px rgba(255, 122, 24, 0.35);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text);
            border-color: var(--border-strong);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn:active {
            transform: translateY(0) scale(0.97);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
        }

        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            isolation: isolate;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(100deg, rgba(10, 14, 26, 0.95) 12%, rgba(10, 14, 26, 0.75) 48%, rgba(10, 14, 26, 0.45));
        }

        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(to top, var(--bg) 0%, transparent 70%);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: var(--text-soft);
            transition: color 0.2s;
        }

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

        .breadcrumb i {
            font-size: 12px;
            color: var(--muted);
        }

        .banner-title {
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 900;
            letter-spacing: 1px;
            line-height: 1.15;
            margin-bottom: 16px;
        }

        .banner-title .highlight {
            color: var(--primary-2);
        }

        .banner-desc {
            font-size: 17px;
            color: var(--text-soft);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .data-strip {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border);
            padding: 36px 0;
        }

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

        .data-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: border-color 0.3s, background 0.3s, transform 0.3s;
        }

        .data-item:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }

        .data-icon {
            display: flex;
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            font-size: 21px;
            background: rgba(255, 122, 24, 0.12);
            color: var(--primary-2);
        }

        .data-num {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

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

        .section {
            padding: var(--space-section) 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--primary-2);
            background: rgba(255, 122, 24, 0.1);
            border: 1px solid rgba(255, 122, 24, 0.22);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
        }

        .section-sub {
            color: var(--muted);
            font-size: 15px;
            max-width: 520px;
            margin-top: 8px;
        }

        .split-wrap {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .visual-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .visual-card img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .visual-card .visual-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(10, 14, 26, 0.7);
            backdrop-filter: blur(10px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-strong);
        }

        .visual-card .visual-tag i {
            color: var(--primary-2);
        }

        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 30px;
        }

        .guide-item {
            display: flex;
            gap: 16px;
            padding: 20px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: border-color 0.3s, background 0.3s, transform 0.3s;
        }

        .guide-item:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .guide-step {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 800;
            background: rgba(76, 201, 240, 0.14);
            color: var(--accent);
        }

        .guide-item .guide-body h3 {
            font-size: 17px;
            margin-bottom: 5px;
        }

        .guide-item .guide-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .hot-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .hot-layout {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .hot-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
        }

        .hot-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 122, 24, 0.5);
            box-shadow: var(--shadow);
        }

        .hot-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

        .hot-card:hover .hot-cover img {
            transform: scale(1.04);
        }

        .hot-rank {
            position: absolute;
            top: 14px;
            left: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            padding: 0 9px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 800;
            background: rgba(10, 14, 26, 0.78);
            backdrop-filter: blur(8px);
            color: var(--primary-2);
            border: 1px solid var(--border-strong);
        }

        .hot-rank.top {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            border-color: transparent;
        }

        .hot-body {
            padding: 22px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .hot-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }

        .heat-track {
            background: rgba(255, 255, 255, 0.07);
            height: 8px;
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .heat-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--primary-2));
        }

        .heat-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--muted);
        }

        .heat-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
        }

        .entry-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 122, 24, 0.45);
            box-shadow: var(--shadow);
        }

        .entry-media {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

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

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

        .entry-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            padding: 6px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(76, 201, 240, 0.18);
            color: var(--accent);
            border: 1px solid rgba(76, 201, 240, 0.3);
            backdrop-filter: blur(8px);
        }

        .entry-body {
            padding: 24px;
        }

        .entry-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .entry-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-2);
            transition: gap 0.2s;
        }

        .entry-link:hover {
            gap: 12px;
        }

        .faq-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-item.open {
            border-color: rgba(255, 122, 24, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            text-align: left;
            width: 100%;
            cursor: pointer;
        }

        .faq-question i {
            color: var(--muted);
            transition: transform 0.3s, color 0.3s;
            font-size: 15px;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

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

        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid transparent;
        }

        .faq-item.open .faq-answer-inner {
            border-top-color: var(--border);
            padding-top: 16px;
        }

        .cta-section {
            padding: var(--space-section) 0;
        }

        .cta-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 60px 56px;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            isolation: isolate;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(95deg, rgba(10, 14, 26, 0.96), rgba(10, 14, 26, 0.72));
        }

        .cta-banner h2 {
            font-size: clamp(24px, 3vw, 34px);
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: var(--text-soft);
            font-size: 15px;
            max-width: 480px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }

        .site-footer {
            background: #06080f;
            border-top: 1px solid var(--border);
            padding: 64px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            font-size: 21px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            max-width: 420px;
        }

        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 18px;
            color: #fff;
        }

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

        .footer-col ul a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 15px;
            transition: color 0.2s, transform 0.2s;
        }

        .footer-col ul a i {
            font-size: 12px;
            color: var(--primary);
        }

        .footer-col ul a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .copyright {
            color: var(--muted);
            font-size: 14px;
        }

        .beian {
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--muted);
            font-size: 14px;
        }

        .beian a {
            color: var(--text-soft);
            transition: color 0.2s;
        }

        .beian a:hover {
            color: var(--primary);
        }

        .beian span {
            padding-left: 16px;
            border-left: 1px solid var(--border);
        }

        @media (max-width: 1024px) {
            :root {
                --space-section: 72px;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 9px 12px;
                font-size: 14px;
            }
            .header-search {
                display: none;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-layout {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .visual-card img {
                height: 350px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 48px 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
                --header-h: 64px;
            }
            .header-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: rgba(10, 14, 26, 0.97);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border);
                padding: 14px 16px 20px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                justify-content: flex-start;
                padding: 14px 18px;
                font-size: 16px;
                border-radius: 14px;
            }
            .nav-links a i {
                width: 20px;
                text-align: center;
            }
            .btn-header {
                display: none;
            }
            .page-banner {
                min-height: 340px;
                padding: 60px 0 40px;
            }
            .banner-title {
                font-size: 34px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .data-item {
                padding: 16px 14px;
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .hot-layout,
            .card-grid {
                grid-template-columns: 1fr;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 28px;
            }
            .hot-cover {
                height: 210px;
            }
            .visual-card img {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner {
                padding: 40px 26px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-text .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .data-item {
                flex-direction: row;
                align-items: center;
            }
            .guide-item {
                flex-direction: column;
                gap: 12px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                padding: 0 18px 18px;
            }
            .page-banner {
                min-height: 300px;
                padding: 48px 0 36px;
            }
            .breadcrumb {
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-light: #3b82f6;
            --primary-dark: #1e40af;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --cyan: #06b6d4;
            --bg: #0b1220;
            --bg-alt: #0e1628;
            --bg-card: #111c30;
            --bg-card-hover: #16223a;
            --text: #e6ebf5;
            --text-muted: #8899b0;
            --border: #1e293b;
            --border-light: #263650;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(0, 0, 0, .3);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, .45);
            --transition: all .25s ease;
            --header-height: 72px;
            --section-pad: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 18, 32, .88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(148, 163, 184, .1);
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: var(--header-height);
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo-text:hover {
            opacity: .9;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: #fff;
            box-shadow: 0 6px 18px rgba(37, 99, 235, .35);
            flex-shrink: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 12px;
            font-weight: 500;
            font-size: 14.5px;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-links a i {
            font-size: 14px;
            opacity: .85;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(37, 99, 235, .25), rgba(6, 182, 212, .15));
            box-shadow: inset 0 0 0 1px rgba(59, 130, 246, .35);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .btn-header:hover {
            background: rgba(255, 255, 255, .1);
            border-color: var(--border-light);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            display: block;
            transition: var(--transition);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 90px 0 90px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 18, 32, .97) 0%, rgba(11, 18, 32, .82) 45%, rgba(37, 99, 235, .25) 100%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, .25), transparent 65%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary-light);
        }

        .breadcrumb .sep {
            opacity: .5;
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-search {
            display: flex;
            gap: 10px;
            max-width: 560px;
            flex-wrap: wrap;
        }

        .hero-search input {
            flex: 1;
            min-width: 240px;
            height: 48px;
            padding: 0 18px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14.5px;
            transition: var(--transition);
        }

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

        .hero-search input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, .12);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .15);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 22px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 14.5px;
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(37, 99, 235, .3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(37, 99, 235, .4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(37, 99, 235, .25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 22px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid var(--border-light);
            color: var(--text);
            font-weight: 600;
            font-size: 14.5px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .14);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--section-pad) 0;
        }

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 38px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.3px;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: "";
            width: 5px;
            height: 28px;
            border-radius: 4px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            flex-shrink: 0;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 620px;
            line-height: 1.75;
        }

        .section-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

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

        /* ===== Hot Rank ===== */
        .hot-list {
            display: grid;
            gap: 16px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .hot-item::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            opacity: 0;
            transition: var(--transition);
        }

        .hot-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateX(4px);
            box-shadow: var(--shadow);
        }

        .hot-item:hover::after {
            opacity: 1;
        }

        .hot-rank-num {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: var(--transition);
            font-style: italic;
        }

        .hot-item:nth-child(1) .hot-rank-num {
            color: var(--accent);
            background: rgba(245, 158, 11, .15);
        }

        .hot-item:nth-child(2) .hot-rank-num {
            color: var(--primary-light);
            background: rgba(59, 130, 246, .15);
        }

        .hot-item:nth-child(3) .hot-rank-num {
            color: var(--cyan);
            background: rgba(6, 182, 212, .15);
        }

        .hot-cover {
            width: 68px;
            height: 68px;
            border-radius: 14px;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
        }

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

        .hot-info h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 3px 10px;
            border-radius: 99px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 255, 255, .07);
            color: var(--text-muted);
            transition: var(--transition);
        }

        .tag-hot {
            background: rgba(245, 158, 11, .13);
            color: var(--accent);
        }

        .tag-new {
            background: rgba(6, 182, 212, .12);
            color: var(--cyan);
        }

        .tag-guide {
            background: rgba(59, 130, 246, .13);
            color: var(--primary-light);
        }

        .hot-progress {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 160px;
        }

        .progress-track {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, .07);
            border-radius: 99px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 99px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width .6s ease;
        }

        .progress-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            white-space: nowrap;
            min-width: 36px;
            text-align: right;
        }

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

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
        }

        .guide-cover {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .guide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .guide-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 18, 32, .75));
        }

        .guide-cover .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 12px;
            border-radius: 99px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
            backdrop-filter: blur(4px);
        }

        .guide-cover .badge-accent {
            background: linear-gradient(135deg, var(--accent), #ea580c);
        }

        .guide-cover .badge-cyan {
            background: linear-gradient(135deg, var(--cyan), #0e7490);
        }

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

        .guide-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .guide-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .guide-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--border-light);
        }

        .guide-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .guide-card:hover .guide-title {
            color: var(--primary-light);
        }

        .guide-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

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

        .guide-footer .read-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .guide-footer .read-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .guide-footer .hot-num {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== Type Cards ===== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .type-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .type-card::before {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, .2), transparent 70%);
            transition: transform .35s ease;
        }

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

        .type-card:hover::before {
            transform: scale(1.6);
        }

        .type-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(37, 99, 235, .2), rgba(6, 182, 212, .15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .type-card:hover .type-icon {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            box-shadow: 0 8px 20px rgba(37, 99, 235, .3);
        }

        .type-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .type-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .type-count {
            display: inline-block;
            margin-top: 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            background: rgba(255, 255, 255, .05);
            padding: 4px 10px;
            border-radius: 99px;
            transition: var(--transition);
        }

        .type-card:hover .type-count {
            color: var(--accent);
            background: rgba(245, 158, 11, .1);
        }

        /* ===== Timeline / Calendar ===== */
        .timeline {
            position: relative;
            padding-left: 28px;
            display: grid;
            gap: 24px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 7px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--cyan), transparent);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 22px;
            transition: var(--transition);
        }

        .timeline-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateX(4px);
            box-shadow: var(--shadow);
        }

        .timeline-dot {
            position: absolute;
            left: -28px;
            top: 22px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg);
            border: 3px solid var(--primary);
            box-sizing: content-box;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .timeline-dot::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .timeline-item:nth-child(2) .timeline-dot {
            border-color: var(--accent);
        }

        .timeline-item:nth-child(2) .timeline-dot::before {
            background: var(--accent);
        }

        .timeline-item:nth-child(3) .timeline-dot {
            border-color: var(--cyan);
        }

        .timeline-item:nth-child(3) .timeline-dot::before {
            background: var(--cyan);
        }

        .timeline-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 158, 11, .1);
            padding: 4px 10px;
            border-radius: 99px;
        }

        .timeline-type {
            font-size: 12px;
            color: var(--text-muted);
        }

        .timeline-item h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stats-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stats-card::before {
            content: "";
            position: absolute;
            inset: 0 0 auto 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            opacity: 0;
            transition: var(--transition);
        }

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

        .stats-card:hover::before {
            opacity: 1;
        }

        .stats-icon {
            font-size: 24px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        .stats-num {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
            background: linear-gradient(135deg, var(--primary-light), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

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

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 18, 32, .95), rgba(37, 99, 235, .35));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(230, 235, 245, .85);
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #070d19;
            border-top: 1px solid var(--border);
            padding-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-text {
            font-size: 21px;
        }

        .footer-brand p {
            margin-top: 18px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .footer-col a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-col a i {
            font-size: 12px;
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 0;
            border-top: 1px solid var(--border);
            font-size: 13.5px;
            color: var(--text-muted);
            gap: 16px;
            flex-wrap: wrap;
        }

        .beian {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }

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

        .beian a:hover {
            color: var(--primary-light);
        }

        .beian span::before {
            content: "·";
            margin-right: 10px;
            color: var(--border-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, .98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 24px 20px;
                margin: 0;
                gap: 6px;
                opacity: 0;
                transform: translateY(-12px);
                pointer-events: none;
                transition: var(--transition);
                z-index: 999;
            }

            .nav-links.open {
                opacity: 1;
                transform: translateY(0);
                pointer-events: auto;
            }

            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn-header {
                display: none;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }

            .page-hero {
                padding: 60px 0 60px;
            }

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

            .page-hero .hero-desc {
                font-size: 15.5px;
            }

            .section-title {
                font-size: 25px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

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

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

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

            .hot-item {
                flex-wrap: wrap;
            }

            .hot-progress {
                width: 100%;
                min-width: 100%;
                margin-top: 4px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }

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

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

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

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

            .hero-search {
                width: 100%;
            }

            .hero-search input {
                min-width: 100%;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .cta-content h2 {
                font-size: 27px;
            }

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

            .beian {
                flex-wrap: wrap;
                justify-content: center;
            }

            .beian span::before {
                content: "";
                margin: 0;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
            }
        }

/* roulang page: article */
:root {
    --primary: #7c5cff;
    --primary-light: #9d89ff;
    --primary-deep: #5a3df0;
    --primary-soft: rgba(124, 92, 255, 0.14);
    --accent: #ff9f43;
    --accent-light: #ffc078;
    --accent-deep: #e8842c;
    --bg-dark: #0b0e1e;
    --bg-deep: #080b18;
    --bg-surface: #141a36;
    --bg-card: #1b2148;
    --bg-soft: #232a57;
    --text-light: #f0f2ff;
    --text-main: #c3c9eb;
    --text-muted: #8288ad;
    --text-dim: #5f658b;
    --border-card: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.13);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --shadow-card: 0 6px 28px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 18px 46px rgba(0, 0, 0, 0.42);
    --shadow-glow: 0 0 0 1px rgba(124, 92, 255, 0.3), 0 12px 34px rgba(124, 92, 255, 0.22);
    --max-width: 1240px;
    --header-h: 74px;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-dark);
    background-image: radial-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 26px 26px;
    min-height: 100vh;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 300;
    background: transparent;
}
#reading-progress {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 999px;
    box-shadow: 0 0 10px rgba(124, 92, 255, 0.6);
    transition: width 0.1s ease-out;
}

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(11, 14, 30, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-card);
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    height: var(--header-h);
    padding: 0 24px;
}
.logo-text {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.28rem;
    font-weight: 900;
    color: var(--text-light);
    letter-spacing: 0.3px;
    white-space: nowrap;
    flex-shrink: 0;
}
.logo-text > span:not(.logo-icon) {
    color: var(--accent);
}
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #8a5cff);
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 6px 18px rgba(124, 92, 255, 0.35);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 999px;
    font-size: 0.92rem;
    color: var(--text-main);
    font-weight: 600;
    transition: all 0.25s var(--ease);
}
.nav-links a i {
    font-size: 0.85rem;
    opacity: 0.75;
}
.nav-links a:hover {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.07);
}
.nav-links a.active {
    background: var(--primary-soft);
    color: var(--primary-light);
    box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.38);
}
.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    background: var(--primary-soft);
    color: var(--primary-light);
    border: 1px solid rgba(124, 92, 255, 0.4);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
}
.btn-header:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(124, 92, 255, 0.35);
    transform: translateY(-1px);
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
}
.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.25s var(--ease);
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 文章 Banner ===== */
.article-banner {
    position: relative;
    padding: 58px 0 42px;
    background-size: cover;
    background-position: center;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-card);
}
.article-heading-wrap {
    position: relative;
    z-index: 2;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
    font-size: 0.88rem;
    color: var(--text-muted);
}
.breadcrumb a {
    color: var(--text-muted);
    transition: color 0.2s ease;
}
.breadcrumb a:hover {
    color: var(--primary-light);
}
.crumb-sep {
    opacity: 0.45;
}
.crumb-current {
    color: var(--text-main);
    max-width: 360px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.heading-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}
.badge-orange {
    background: rgba(255, 159, 67, 0.14);
    color: var(--accent-light);
    border: 1px solid rgba(255, 159, 67, 0.35);
}
.badge-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-light);
}
.badge-primary {
    background: var(--primary-soft);
    color: var(--primary-light);
    border: 1px solid rgba(124, 92, 255, 0.4);
}
.article-heading-content h1 {
    font-size: clamp(2rem, 4.2vw, 3.1rem);
    line-height: 1.22;
    color: var(--text-light);
    font-weight: 900;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    overflow-wrap: break-word;
}
.article-deck {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-main);
    max-width: 780px;
    margin-bottom: 20px;
}
.article-meta-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.meta-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary-soft);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.05rem;
}
.meta-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.meta-author {
    font-weight: 700;
    color: var(--text-light);
    font-size: 0.95rem;
}
.meta-view {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}
.btn-round {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.88rem;
    transition: all 0.3s var(--ease);
}
.btn-round:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(124, 92, 255, 0.35);
}

/* ===== 主体布局 ===== */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 34px;
    padding-top: 54px;
    padding-bottom: 64px;
    align-items: start;
}
.article-body {
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.article-cover {
    position: relative;
    overflow: hidden;
}
.article-cover-img {
    width: 100%;
    height: 330px;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.article-body:hover .article-cover-img {
    transform: scale(1.02);
}
.cover-label {
    position: absolute;
    left: 18px;
    bottom: 18px;
    background: rgba(10, 12, 26, 0.82);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-content {
    padding: 34px clamp(20px, 4vw, 44px) 20px;
}
.article-content p {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-main);
    margin-bottom: 1.25rem;
}
.article-content h2 {
    font-size: 1.7rem;
    margin: 2.1rem 0 1.1rem;
    color: var(--text-light);
    padding: 0.2rem 0 0.2rem 0.8rem;
    border-left: 4px solid var(--primary);
    border-radius: 4px;
    line-height: 1.4;
}
.article-content h3 {
    font-size: 1.35rem;
    margin: 1.9rem 0 0.9rem;
    color: var(--text-light);
}
.article-content h4 {
    font-size: 1.12rem;
    margin: 1.6rem 0 0.8rem;
    color: var(--text-light);
}
.article-content a {
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content ul,
.article-content ol {
    margin: 0 0 1.4rem;
    padding-left: 1.4rem;
    color: var(--text-main);
    line-height: 1.85;
}
.article-content ul li,
.article-content ol li {
    margin-bottom: 0.5rem;
}
.article-content blockquote {
    margin: 1.8rem 0;
    padding: 1.1rem 1.4rem;
    border-left: 4px solid var(--accent);
    background: rgba(255, 159, 67, 0.08);
    border-radius: 0 12px 12px 0;
    color: #e8cba5;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    margin-bottom: 1.2rem;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4rem 0;
    background: var(--bg-soft);
    border-radius: 10px;
    overflow: hidden;
}
.article-content th,
.article-content td {
    padding: 10px 14px;
    border: 1px solid var(--border-card);
    color: var(--text-main);
}
.article-content th {
    background: var(--primary-soft);
    color: var(--text-light);
    font-weight: 700;
}
.article-content code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
}
.article-content pre {
    background: #0a0c1e;
    border: 1px solid var(--border-card);
    padding: 1rem 1.4rem;
    border-radius: 12px;
    overflow: auto;
}
.not-found-box {
    text-align: center;
    padding: 70px 20px;
}
.not-found-box i {
    font-size: 3.4rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}
.not-found-box h2 {
    font-size: 1.6rem;
    color: var(--text-light);
    margin-bottom: 10px;
}
.not-found-box p {
    color: var(--text-muted);
    max-width: 380px;
    margin: 0 auto;
}
.not-found-box .btn-primary {
    margin-top: 22px;
}

/* ===== 标签和文章底部 ===== */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 16px clamp(20px, 4vw, 44px);
    border-top: 1px dashed var(--border-card);
}
.tag-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.tag {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-card);
    border-radius: 999px;
    color: var(--text-main);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
}
.tag:hover {
    background: var(--primary-soft);
    border-color: rgba(124, 92, 255, 0.5);
    color: var(--primary-light);
}
.article-footer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 1rem clamp(20px, 4vw, 44px) 30px;
    flex-wrap: wrap;
}
.article-share {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}
.share-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-card);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: all 0.25s var(--ease);
}
.share-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 按钮 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
    border-radius: 999px;
    border: none;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(124, 92, 255, 0.3);
    transition: all 0.3s var(--ease);
    cursor: pointer;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(124, 92, 255, 0.42);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    background: transparent;
    color: var(--primary-light);
    border: 1px solid rgba(124, 92, 255, 0.45);
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s var(--ease);
}
.btn-secondary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(124, 92, 255, 0.32);
}
.btn-block {
    width: 100%;
}
.btn-lg {
    padding: 15px 34px;
    font-size: 1rem;
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s var(--ease);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-2px);
}

/* ===== 侧边栏 ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
}
.side-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}
.side-card-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
.side-card-head i {
    color: var(--primary-light);
    font-size: 1.2rem;
}
.side-card-head h3 {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 800;
}
.side-entry p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}
.hot-list {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: hot;
}
.hot-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--border-card);
    counter-increment: hot;
}
.hot-list li:last-child {
    border-bottom: none;
}
.hot-list li::before {
    content: counter(hot);
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.09);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.hot-list li:nth-child(-n + 2)::before {
    background: rgba(255, 159, 67, 0.2);
    color: var(--accent);
}
.hot-list a {
    flex: 1;
    color: var(--text-main);
    font-size: 0.88rem;
    transition: color 0.2s ease;
}
.hot-list a:hover {
    color: var(--primary-light);
}
.hot-list em {
    font-style: normal;
    font-size: 0.72rem;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-light);
}
.side-tip {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.08), rgba(255, 159, 67, 0.1));
}
.side-tip i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 8px;
}
.side-tip h4 {
    color: var(--text-light);
    margin-bottom: 8px;
}
.side-tip p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ===== 通用区块 ===== */
.section {
    padding: 64px 0;
}
.related-section {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-card);
    border-bottom: 1px solid var(--border-card);
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 34px;
}
.section-eyebrow {
    display: block;
    color: var(--accent);
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.section-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    color: var(--text-light);
    font-weight: 900;
    line-height: 1.3;
}

/* ===== 相关卡片 ===== */
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.post-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.3s ease;
}
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(124, 92, 255, 0.4);
}
.post-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-soft);
}
.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.post-card:hover .post-thumb img {
    transform: scale(1.06);
}
.thumb-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: rgba(10, 13, 29, 0.82);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(6px);
    border-radius: 999px;
    color: var(--text-light);
    font-size: 0.7rem;
    font-weight: 700;
}
.post-info {
    padding: 18px 16px 20px;
}
.post-info h3 {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-light);
    font-weight: 700;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card:hover .post-info h3 {
    color: var(--primary-light);
}
.post-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-meta {
    font-size: 0.74rem;
    color: var(--text-dim);
}

/* ===== FAQ ===== */
.faq-section {
    padding: 64px 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 44px;
    align-items: start;
}
.faq-heading .section-eyebrow {
    margin-bottom: 10px;
}
.faq-heading h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    color: var(--text-light);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 14px;
}
.faq-heading p {
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
}
.faq-item[open] {
    border-color: rgba(124, 92, 255, 0.4);
    box-shadow: var(--shadow-card);
}
.faq-item summary {
    cursor: pointer;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--text-light);
    list-style: none;
    font-size: 0.96rem;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary i {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item[open] summary i {
    transform: rotate(45deg);
}
.faq-item p {
    padding: 0 20px 18px;
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.8;
    color: var(--text-main);
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--bg-deep);
    padding: 76px 0;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 14, 30, 0.94), rgba(18, 20, 44, 0.8));
}
.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}
.cta-inner h2 {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    color: var(--text-light);
    font-weight: 900;
    margin-bottom: 14px;
}
.cta-inner p {
    color: var(--text-main);
    font-size: 1.05rem;
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-card);
    padding: 64px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 44px;
    margin-bottom: 40px;
}
.footer-brand .logo-text {
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 340px;
}
.footer-col h4 {
    font-size: 0.98rem;
    color: var(--text-light);
    margin-bottom: 18px;
    font-weight: 800;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col ul a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.88rem;
    transition: all 0.2s ease;
}
.footer-col ul a i {
    font-size: 0.7rem;
    color: var(--text-dim);
    transition: all 0.2s ease;
}
.footer-col ul a:hover {
    color: var(--primary-light);
}
.footer-col ul a:hover i {
    color: var(--primary-light);
    transform: translateX(3px);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border-card);
    padding-top: 20px;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.copyright {
    color: var(--text-muted);
}
.beian {
    display: flex;
    gap: 14px;
    align-items: center;
}
.beian a {
    color: var(--text-muted);
    transition: color 0.2s ease;
}
.beian a:hover {
    color: var(--primary-light);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 13, 29, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 14px 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-hover);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        padding: 12px 14px;
        border-radius: 12px;
    }
    .btn-header {
        display: none;
    }
    .article-banner {
        padding: 40px 0 30px;
    }
    .article-cover-img {
        height: 250px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        grid-template-columns: 1fr;
    }
    .article-meta-row {
        flex-wrap: wrap;
    }
    .btn-round {
        width: 100%;
        justify-content: center;
    }
    .article-footer-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-share {
        margin-top: 4px;
    }
    .cta-buttons .btn-primary,
    .cta-buttons .btn-ghost {
        width: 100%;
    }
    .post-info h3 {
        font-size: 1.05rem;
    }
}