/* roulang page: index */
:root {
            --primary: #B4FF39;
            --primary-hover: #c8ff66;
            --dark: #16181D;
            --paper: #F5F5F0;
            --orange: #FF7A29;
            --text-main: #1E1F22;
            --text-sub: #6E7178;
            --divider-dark: rgba(255, 255, 255, .12);
            --divider-light: #E6E6E0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, .06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
            --sidebar-w: 240px;
            --space-section: 100px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--paper);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        main {
            flex: 1;
        }

        /* 侧边栏 */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--sidebar-w);
            height: 100vh;
            height: 100dvh;
            background: var(--dark);
            z-index: 200;
            display: flex;
            flex-direction: column;
        }
        .sidebar-brand {
            padding: 30px 24px 0;
        }
        .sidebar-logo {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
        }
        .sidebar-logo .logo-suffix {
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0;
        }
        .sidebar-tagline {
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            padding: 6px 24px 22px;
            line-height: 1.4;
        }
        .sidebar-nav {
            flex: 1;
            padding: 10px 0;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 600;
            border-left: 3px solid transparent;
            transition: background .25s, color .25s, border-color .25s;
        }
        .nav-item i {
            width: 18px;
            text-align: center;
            font-size: 15px;
            opacity: .8;
        }
        .nav-item:hover {
            background: rgba(255, 255, 255, .08);
            color: var(--primary);
            border-left-color: var(--primary);
        }
        .nav-item.active {
            color: var(--primary);
            border-left-color: var(--primary);
            background: rgba(180, 255, 57, .06);
        }
        .sidebar-bottom {
            padding: 20px 24px;
            border-top: 1px solid var(--divider-dark);
        }
        .sidebar-bottom p {
            color: rgba(255, 255, 255, .38);
            font-size: 12px;
            line-height: 1.7;
            margin: 0;
        }

        /* 移动顶栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--dark);
            z-index: 300;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        .mobile-logo {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
        }
        .menu-toggle {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            border-radius: 10px;
            transition: background .25s;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }
        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: var(--dark);
            z-index: 420;
            transform: translateX(-100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 24px 0 0;
        }
        .drawer.open {
            transform: translateX(0);
        }
        .drawer-brand {
            padding: 0 24px 18px;
        }
        .drawer-logo {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
        }
        .drawer-nav {
            padding: 8px 0;
            flex: 1;
        }
        .drawer-nav .nav-item {
            padding: 15px 24px;
        }
        .drawer-bottom {
            padding: 20px 24px;
            border-top: 1px solid var(--divider-dark);
            color: rgba(255, 255, 255, .38);
            font-size: 12px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .55);
            z-index: 400;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s, visibility .3s;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 700;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all .25s;
            line-height: 1.2;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--dark);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(180, 255, 57, .3);
            color: var(--dark);
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .6);
        }
        .btn-ghost:hover {
            background: #fff;
            color: var(--dark);
        }
        .btn-block {
            width: 100%;
            height: 52px;
        }
        .btn-lg {
            padding: 16px 42px;
            font-size: 16px;
            border-radius: 14px;
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(270deg, rgba(22, 24, 29, .88) 0%, rgba(22, 24, 29, .58) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-content {
            max-width: 720px;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(180, 255, 57, .15);
            color: var(--primary);
            padding: 7px 16px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(180, 255, 57, .25);
        }
        .hero h1 {
            font-size: clamp(40px, 6vw, 72px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.12;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 2px 24px rgba(0, 0, 0, .35);
            animation: heroFade .6s ease-out;
        }
        .hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-meta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
            background: rgba(255, 255, 255, .08);
            padding: 8px 16px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .hero-meta i {
            color: var(--primary);
        }
        @keyframes heroFade {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 通用 Section */
        .section {
            padding: var(--space-section) 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(180, 255, 57, .12);
            padding: 6px 14px;
            border-radius: 40px;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .section-header {
            margin-bottom: 48px;
            max-width: 640px;
        }
        .section-header h2 {
            font-size: clamp(28px, 3.4vw, 40px);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-header p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }
        .section-header.light h2 {
            color: #fff;
        }
        .section-header.light p {
            color: rgba(255, 255, 255, .6);
        }

        /* 玩法介绍 */
        .how-section {
            background: var(--paper);
        }
        .how-grid {
            margin-top: 8px;
        }
        .how-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, .03);
            transition: transform .3s, box-shadow .3s, border-color .3s;
            position: relative;
        }
        .how-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .1);
            border-color: var(--primary);
        }
        .how-card .how-num {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .how-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .how-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        .how-card::after {
            content: '';
            position: absolute;
            right: -20px;
            top: 50%;
            width: 20px;
            border-top: 2px dashed var(--primary);
            display: none;
        }
        @media (min-width: 1024px) {
            .how-card::after {
                display: block;
            }
            .how-grid .cell:last-child .how-card::after {
                display: none;
            }
        }
        @media (max-width: 640px) {
            .how-grid .cell {
                margin-bottom: 24px;
            }
        }

        /* 奖励预览 */
        .reward-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .reward-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(180, 255, 57, .06);
            pointer-events: none;
        }
        .reward-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--divider-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .35s, box-shadow .35s, border-color .35s;
            position: relative;
        }
        .reward-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
            border-color: rgba(180, 255, 57, .4);
        }
        .reward-card .reward-img {
            position: relative;
            overflow: hidden;
        }
        .reward-card .reward-img img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .reward-card:hover .reward-img img {
            transform: scale(1.04);
        }
        .reward-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--orange);
            color: #16181D;
            font-size: 12px;
            font-weight: 800;
            padding: 5px 12px;
            border-radius: 30px;
            letter-spacing: .03em;
            z-index: 2;
        }
        .reward-body {
            padding: 24px 28px 28px;
        }
        .reward-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .reward-body p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            margin: 0;
        }
        .reward-grid .cell:nth-child(2) .reward-card {
            transform: translateY(-8px);
        }
        .reward-grid .cell:nth-child(3) .reward-card {
            transform: translateY(4px);
        }
        .reward-grid .cell:nth-child(2) .reward-card:hover {
            transform: translateY(-14px);
        }
        .reward-grid .cell:nth-child(3) .reward-card:hover {
            transform: translateY(-4px);
        }
        @media (max-width: 640px) {
            .reward-grid .cell {
                margin-bottom: 24px;
            }
            .reward-grid .cell:nth-child(2) .reward-card,
            .reward-grid .cell:nth-child(3) .reward-card {
                transform: none;
            }
            .reward-grid .cell:nth-child(2) .reward-card:hover,
            .reward-grid .cell:nth-child(3) .reward-card:hover {
                transform: translateY(-6px);
            }
        }

        /* 任务面板 */
        .task-section {
            background: var(--paper);
        }
        .task-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 44px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, .03);
        }
        .task-panel h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .task-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .task-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--divider-light);
        }
        .task-item:last-child {
            border-bottom: none;
        }
        .task-check {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid #c9cdd3;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--dark);
            flex-shrink: 0;
            transition: all .25s;
        }
        .task-check.done {
            background: var(--primary);
            border-color: var(--primary);
        }
        .task-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex: 1;
            flex-wrap: wrap;
            gap: 6px;
        }
        .task-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .task-reward {
            font-size: 13px;
            font-weight: 700;
            color: var(--orange);
            background: rgba(255, 122, 41, .1);
            padding: 3px 10px;
            border-radius: 30px;
        }
        .task-progress {
            background: var(--paper);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .progress-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            margin-bottom: 14px;
            display: block;
        }
        .progress-track {
            height: 10px;
            background: rgba(0, 0, 0, .08);
            border-radius: 6px;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .progress-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 6px;
            transition: width 1s ease;
        }
        .progress-value {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 8px;
        }
        .task-progress p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }
        .task-panel .btn {
            margin-top: 28px;
        }

        /* 动态 */
        .news-section {
            background: var(--paper);
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, .03);
            transition: transform .3s, box-shadow .3s, border-color .3s;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, .1);
            border-color: var(--primary);
        }
        .news-card-body {
            padding: 26px 26px 28px;
        }
        .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--dark);
            background: var(--primary);
            padding: 4px 12px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 12px;
            color: #a0a4ab;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .empty-state {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-sub);
            font-size: 14px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, .03);
        }
        .empty-state i {
            font-size: 30px;
            color: #c9cdd3;
            display: block;
            margin-bottom: 14px;
        }

        /* 信任区 */
        .trust-section {
            background: #fff;
        }
        .trust-item {
            text-align: center;
            padding: 20px 10px;
        }
        .trust-num {
            display: block;
            font-family: var(--font-num);
            font-size: clamp(36px, 4vw, 52px);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.15;
            margin-bottom: 6px;
        }
        .trust-item:nth-child(2) .trust-num {
            color: var(--dark);
        }
        .trust-label {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 500;
        }

        /* FAQ */
        .faq-section {
            background: var(--paper);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
            border: 1px solid rgba(0, 0, 0, .03);
            overflow: hidden;
            transition: border-color .3s;
        }
        .faq-item.open {
            border-left: 4px solid var(--primary);
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background .25s;
        }
        .faq-q:hover {
            background: rgba(0, 0, 0, .02);
        }
        .faq-q i {
            font-size: 14px;
            color: var(--text-sub);
            transition: transform .3s;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s;
            padding: 0 24px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(180, 255, 57, .1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .cta-panel h2 {
            font-size: clamp(28px, 3.4vw, 40px);
            color: #fff;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, .6);
            margin-bottom: 30px;
            font-size: 15px;
        }

        /* 页脚 */
        .footer {
            background: var(--dark);
            padding: 40px 0 30px;
            border-top: 1px solid var(--divider-dark);
        }
        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .footer-logo {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .footer-tagline {
            color: rgba(255, 255, 255, .5);
            font-size: 14px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid var(--divider-dark);
            padding-top: 24px;
            color: rgba(255, 255, 255, .35);
            font-size: 13px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .35);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                --space-section: 72px;
                padding: var(--space-section) 0;
            }
            .hero {
                min-height: 72vh;
            }
            .task-panel {
                padding: 32px 28px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
            .section {
                --space-section: 56px;
            }
            .hero {
                min-height: 70vh;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .task-progress {
                margin-top: 16px;
            }
            .task-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
            }
            .footer-top,
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .reward-body {
                padding: 20px;
            }
            .task-panel {
                padding: 24px 20px;
            }
            .news-card-body {
                padding: 20px;
            }
            .faq-q {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item.open .faq-a {
                padding: 0 18px 16px;
            }
        }

        /* 焦点可见 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #B4FF39;
            --dark: #16181D;
            --paper: #F5F5F0;
            --orange: #FF7A29;
            --text: #1E1F22;
            --text-sub: #6E7178;
            --border-dark: rgba(255, 255, 255, 0.12);
            --border-light: #E6E6E0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
            --spacer: 100px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            background: #fff;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* 侧边导航 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--dark);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 32px 24px;
        }

        .sidebar-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 4px;
            display: inline-block;
            line-height: 1.2;
        }

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

        .sidebar-tagline {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 40px;
            line-height: 1.5;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--primary);
            color: #fff;
        }

        .nav-item.active {
            background: rgba(255, 255, 255, 0.08);
            color: var(--primary);
            border-left-color: var(--primary);
        }

        .sidebar-footer-info {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            padding-top: 24px;
            border-top: 1px solid var(--border-dark);
        }

        /* 移动端顶栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--dark);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 200;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .mobile-logo {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
        }

        .menu-toggle {
            color: #fff;
            font-size: 20px;
            padding: 10px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        /* 抽屉 */
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 300;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .drawer-overlay.open {
            display: block;
            opacity: 1;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--dark);
            color: #fff;
            z-index: 301;
            padding: 32px 24px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

        .drawer.open {
            transform: translateX(0);
        }

        .drawer-logo {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 4px;
        }

        .drawer-tagline {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 32px;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .drawer-nav .nav-item {
            color: rgba(255, 255, 255, 0.7);
        }

        .drawer-nav .nav-item.active {
            color: var(--primary);
        }

        /* 主内容 */
        .main {
            margin-left: 240px;
            min-height: 100vh;
        }

        /* 页头 */
        .page-header {
            background: var(--paper);
            padding: 80px 0 64px;
            border-bottom: 1px solid var(--border-light);
        }

        .page-header h1 {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .page-header .lead {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.8;
        }

        .header-tags {
            margin-top: 24px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--primary);
            color: var(--dark);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 700;
        }

        .tag-ghost {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border-light);
        }

        /* 通用区块 */
        .section {
            padding: var(--spacer) 0;
        }

        .section-title {
            font-size: clamp(28px, 3.4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 40px;
        }

        /* 图文混排 A */
        .split-section {
            padding: var(--spacer) 0;
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }

        .split-content h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .split-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 16px;
        }

        .split-content ul {
            list-style: none;
            margin: 24px 0 0;
            padding: 0;
        }

        .split-content li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-light);
            font-size: 14px;
        }

        .split-content li:last-child {
            border-bottom: none;
        }

        .split-content li i {
            color: var(--orange);
            width: 18px;
            text-align: center;
        }

        /* 图文混排 B 深色 */
        .dark-section {
            position: relative;
            padding: var(--spacer) 0;
            background: linear-gradient(90deg, rgba(22, 24, 29, 0.95) 0%, rgba(22, 24, 29, 0.78) 45%, rgba(22, 24, 29, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .dark-section .content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .dark-section h2 {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #fff;
        }

        .dark-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .dark-section .highlight {
            color: var(--primary);
            font-weight: 700;
        }

        .stat-row {
            display: flex;
            gap: 48px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .stat-item .num {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1.2;
        }

        .stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* 玩法卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .play-card {
            background: var(--paper);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 2px solid transparent;
        }

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

        .play-card .thumb {
            height: 176px;
            overflow: hidden;
            background: var(--dark);
        }

        .play-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .play-card:hover .thumb img {
            transform: scale(1.05);
        }

        .play-card .body {
            padding: 24px 28px 28px;
        }

        .play-card .badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--orange);
            color: #16181D;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .play-card .body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .play-card .body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* 流程 */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .steps::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 8%;
            right: 8%;
            height: 2px;
            border-top: 2px dashed var(--primary);
            z-index: 0;
        }

        .step {
            position: relative;
            text-align: center;
            padding: 0 12px;
            z-index: 1;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 16px;
            position: relative;
            box-shadow: 0 6px 16px rgba(180, 255, 57, 0.25);
            font-family: var(--font-num);
        }

        .step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--paper);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--text);
            background: rgba(0, 0, 0, 0.02);
        }

        .faq-question .icon {
            color: var(--text-sub);
            transition: transform 0.3s;
            font-size: 14px;
            flex-shrink: 0;
            margin-left: 16px;
        }

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

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--dark);
            padding: 80px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(180, 255, 57, 0.08);
        }

        .cta-section h2 {
            font-size: clamp(26px, 3vw, 40px);
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-bottom: 32px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: var(--dark);
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
            border: 2px solid var(--primary);
            box-shadow: 0 4px 16px rgba(180, 255, 57, 0.2);
        }

        .btn-primary:hover {
            background: #ccff66;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(180, 255, 57, 0.3);
            color: var(--dark);
            border-color: #ccff66;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 30px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 700;
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            margin-left: 16px;
        }

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

        /* 页脚 */
        .footer {
            background: var(--dark);
            color: #fff;
            padding: 56px 0 32px;
            margin-left: 240px;
        }

        .footer .container {
            padding: 0 32px;
        }

        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
        }

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

        .footer-tagline {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer {
                display: block;
            }

            .main {
                margin-left: 0;
                padding-top: 64px;
            }

            .footer {
                margin-left: 0;
            }

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

            .steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }

            .steps::before {
                display: none;
            }

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

            .section,
            .split-section,
            .dark-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }

            .page-header {
                padding: 48px 0 40px;
            }

            .page-header h1 {
                font-size: 32px;
            }

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

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

            .stat-row {
                gap: 24px;
            }

            .stat-item .num {
                font-size: 30px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                margin-left: 0;
                margin-bottom: 12px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .footer .container {
                padding: 0 20px;
            }

            .split-media img {
                min-height: 240px;
            }
        }

/* roulang page: article */
:root {
    --primary: #B4FF39;
    --primary-hover: #C6FF5C;
    --dark: #16181D;
    --paper: #F5F5F0;
    --accent: #FF7A29;
    --text: #1E1F22;
    --text-muted: #6E7178;
    --border-dark: rgba(255,255,255,0.12);
    --border-light: #E6E6E0;
    --success: #2ECC71;
    --danger: #E74C3C;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow-card: 0 10px 30px rgba(0,0,0,0.06);
    --shadow-hover: 0 16px 40px rgba(0,0,0,0.10);
    --sidebar-width: 240px;
    --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-cn);
    background: var(--paper);
    color: var(--text);
    line-height: 1.8;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style-position: inside;
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--dark);
    z-index: 1000;
    padding: 32px 20px 24px;
    display: flex;
    flex-direction: column;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.brand {
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-dark);
    margin-bottom: 24px;
}

.brand-logo {
    font-family: var(--font-num), var(--font-cn);
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    display: block;
    line-height: 1.2;
}

.brand-tagline {
    color: rgba(255,255,255,0.45);
    font-size: 13px;
    margin-top: 6px;
    letter-spacing: 0.02em;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 10px;
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    flex-shrink: 0;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    border-left-color: var(--primary);
    color: #fff;
}

.nav-item.active {
    background: rgba(255,255,255,0.08);
    border-left-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

.nav-item:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-dark);
    color: rgba(255,255,255,0.35);
    font-size: 12px;
}

.main-wrap {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.mobile-header {
    display: none;
    height: 64px;
    background: var(--dark);
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 999;
}

.mobile-header .brand-logo {
    font-size: 22px;
}

.menu-toggle {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    padding: 8px 10px;
    border-radius: 8px;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(255,255,255,0.08);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--dark);
    z-index: 1100;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    visibility: hidden;
}

.drawer.open {
    transform: translateX(0);
    visibility: visible;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-dark);
    margin-bottom: 20px;
}

.drawer-header .brand-logo {
    font-size: 22px;
}

.drawer-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    font-size: 20px;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.2s;
}

.drawer-close:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.drawer-close:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.drawer-overlay.show {
    opacity: 1;
    visibility: visible;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 32px 0 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-muted);
    transition: color 0.2s;
    padding: 2px 0;
}

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

.breadcrumb a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.breadcrumb-sep {
    color: #C0C0B8;
}

.breadcrumb-current {
    color: var(--text);
    font-weight: 600;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-detail {
    max-width: 920px;
    margin: 0 auto 24px;
    background: #fff;
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    padding: 48px 56px;
}

.article-header {
    max-width: 760px;
    margin: 0 auto 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-light);
}

.article-title {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    line-height: 1.35;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.meta-item i {
    color: var(--primary);
    font-size: 15px;
}

.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
}

.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 44px 0 18px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 36px 0 14px;
    line-height: 1.5;
}

.article-body p {
    margin: 0 0 20px;
}

.article-body img {
    border-radius: 16px;
    margin: 28px auto;
    box-shadow: var(--shadow-card);
}

.article-body figure {
    margin: 28px 0;
}

.article-body figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 10px;
}

.article-body blockquote {
    margin: 28px 0;
    padding: 18px 24px;
    background: var(--paper);
    border-left: 4px solid var(--accent);
    border-radius: 0 14px 14px 0;
    color: var(--text-muted);
    font-size: 15px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 22px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body a {
    color: var(--dark);
    border-bottom: 2px solid var(--primary);
    transition: all 0.2s;
}

.article-body a:hover {
    background: var(--primary);
}

.article-body code {
    background: var(--dark);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 6px;
    font-family: var(--font-num), monospace;
    font-size: 14px;
}

.article-body pre {
    background: var(--dark);
    padding: 22px 26px;
    border-radius: 14px;
    overflow-x: auto;
    margin: 28px 0;
    line-height: 1.6;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: var(--primary);
    font-size: 14px;
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: 36px 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}

.article-body th,
.article-body td {
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    text-align: left;
}

.article-body th {
    background: var(--paper);
    font-weight: 600;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 52px;
    color: var(--primary);
    margin-bottom: 18px;
}

.empty-state h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 28px;
}

.article-footer {
    max-width: 760px;
    margin: 44px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
}

.article-pager {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 16px;
}

.pager-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 14px;
    background: var(--paper);
    border: 1px solid transparent;
    transition: all 0.25s ease;
    flex: 1;
    min-width: 0;
}

.pager-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(180,255,57,0.25);
}

.pager-link:hover .pager-title {
    color: var(--dark);
}

.pager-link:hover .pager-icon {
    color: var(--dark);
}

.pager-link.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

.pager-next {
    justify-content: flex-end;
    text-align: right;
}

.pager-icon {
    font-size: 16px;
    color: var(--text-muted);
    transition: color 0.2s;
    flex-shrink: 0;
}

.pager-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.pager-text span:first-child {
    font-size: 12px;
    color: var(--text-muted);
}

.pager-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    transition: color 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.pager-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s ease;
    background: #fff;
    white-space: nowrap;
}

.pager-back:hover {
    border-color: var(--primary);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.pager-back:focus-visible,
.pager-link:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

.more-section {
    padding: 20px 0 40px;
}

.section-head {
    margin-bottom: 28px;
}

.section-title {
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.more-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.more-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

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

.more-card:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.more-card-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--paper);
}

.more-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.more-card-body {
    padding: 24px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.more-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.more-card-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    flex: 1;
}

.more-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    transition: gap 0.2s;
}

.more-card:hover .more-link {
    gap: 10px;
}

.more-link i {
    color: var(--primary);
}

.cta-section {
    padding: 32px 0 80px;
}

.cta-card {
    background-image: linear-gradient(115deg, rgba(22,24,29,0.96) 35%, rgba(22,24,29,0.72) 100%), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 85% 50%, rgba(180,255,57,0.12) 0%, transparent 55%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    flex: 1;
}

.cta-content h2 {
    color: #fff;
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.cta-content p {
    color: rgba(255,255,255,0.65);
    font-size: 15px;
    margin: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    line-height: 1.4;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(180,255,57,0.3);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(180,255,57,0.2);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.footer {
    background: var(--dark);
    padding: 40px 0;
}

.footer .container {
    max-width: 1280px;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-dark);
    margin-bottom: 20px;
}

.footer-logo {
    font-family: var(--font-num), var(--font-cn);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.footer-tagline {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    color: rgba(255,255,255,0.35);
    font-size: 13px;
}

@media (max-width: 1023px) {
    .sidebar {
        display: none;
    }

    .main-wrap {
        margin-left: 0;
    }

    .mobile-header {
        display: flex;
    }

    .article-detail {
        padding: 36px 32px;
    }

    .cta-card {
        padding: 36px 32px;
        flex-direction: column;
        text-align: center;
    }

    .cta-card .btn {
        width: 100%;
        max-width: 320px;
    }
}

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

    .breadcrumb {
        margin-top: 24px;
        font-size: 13px;
    }

    .article-detail {
        padding: 28px 20px;
        border-radius: 18px;
    }

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

    .article-body {
        font-size: 15px;
        line-height: 1.85;
    }

    .article-body h2 {
        font-size: 22px;
    }

    .article-body h3 {
        font-size: 18px;
    }

    .article-pager {
        flex-direction: column;
        gap: 12px;
    }

    .pager-link,
    .pager-back {
        width: 100%;
    }

    .pager-title {
        max-width: 100%;
    }

    .pager-back {
        order: -1;
    }

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

    .more-card-img {
        aspect-ratio: 16 / 8;
    }

    .cta-section {
        padding-bottom: 56px;
    }

    .cta-card {
        padding: 32px 20px;
        border-radius: 18px;
    }

    .footer-top {
        flex-direction: column;
        align-items: flex-start;
    }

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

@media (max-width: 520px) {
    .breadcrumb-current {
        max-width: 200px;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .article-detail {
        padding: 20px 16px;
    }

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

    .cta-content h2 {
        font-size: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}