/* roulang page: index */
:root {
            --bg-deep: #0b1120;
            --bg-secondary: #111b30;
            --primary: #2b6cff;
            --accent-cyan: #1ee8c8;
            --accent-amber: #f6a723;
            --info-blue: #a0b3d9;
            --text-main: #e6edf7;
            --text-white: #ffffff;
            --radius-xl: 20px;
            --radius-lg: 14px;
            --radius-md: 10px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --shadow-card: 0 20px 60px rgba(0, 0, 0, .35);
            --glow-cyan: 0 0 30px rgba(30, 232, 200, .35);
            --glow-blue: 0 0 24px rgba(43, 108, 255, .28);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

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

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container-page {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container-page {
                padding: 0 16px;
            }
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 999;
            width: 100%;
            display: flex;
            justify-content: center;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(10, 18, 32, .72);
            backdrop-filter: blur(18px) saturate(140%);
            -webkit-backdrop-filter: blur(18px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 10px 18px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, .45), inset 0 0 0 1px rgba(255, 255, 255, .02);
            max-width: calc(100vw - 24px);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white);
            padding: 0 12px 0 6px;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .nav-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 9px;
            color: #0b1120;
            font-size: 15px;
            box-shadow: 0 0 14px rgba(30, 232, 200, .45);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }

        .nav-links .nav-link {
            position: relative;
            display: inline-block;
            padding: 7px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(230, 237, 247, .78);
            border-radius: 999px;
            white-space: nowrap;
            transition: color .25s, background .25s;
        }

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

        .nav-links .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .12);
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .05), 0 0 18px rgba(30, 232, 200, .08);
        }

        .nav-links .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 9px var(--accent-cyan);
        }

        .nav-cta {
            margin-left: 6px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .15);
            background: rgba(255, 255, 255, .04);
            cursor: pointer;
            font-size: 18px;
        }

        @media (max-width: 920px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-capsule {
                justify-content: space-between;
                width: calc(100vw - 24px);
                max-width: 480px;
                padding: 8px 12px;
            }
        }

        .mobile-drawer {
            position: fixed;
            top: 74px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100vw - 24px);
            max-width: 420px;
            background: rgba(11, 18, 32, .94);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 16px;
            z-index: 998;
            display: none;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .55);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-ghost,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.6;
            padding: 13px 30px;
            border: 0;
            cursor: pointer;
            transition: all .28s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #2b6cff 60%, #7b5cff 100%);
            color: #0b1120;
            box-shadow: 0 6px 24px rgba(30, 232, 200, .3), 0 2px 8px rgba(0, 0, 0, .1);
            font-weight: 700;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(30, 232, 200, .45), 0 4px 14px rgba(43, 108, 255, .3);
            color: #0b1120;
        }

        .btn-primary:active {
            transform: translateY(0) scale(.98);
            box-shadow: 0 2px 10px rgba(30, 232, 200, .3);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .14);
            color: var(--text-white);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .11);
            border-color: rgba(255, 255, 255, .28);
            color: #fff;
        }

        .btn-ghost:active {
            transform: scale(.98);
            background: rgba(255, 255, 255, .04);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(30, 232, 200, .5);
            color: var(--accent-cyan);
            padding: 9px 22px;
            font-weight: 500;
            font-size: 14px;
            border-radius: 999px;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(30, 232, 200, .08);
            box-shadow: 0 0 22px rgba(30, 232, 200, .15);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .btn-outline:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(246, 167, 35, .7);
            outline-offset: 3px;
        }

        @media (max-width: 520px) {
            .btn-primary,
            .btn-ghost {
                padding: 12px 22px;
                font-size: 14px;
            }
        }

        /* ===== Hero区域 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 150px 32px 80px;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(43, 108, 255, .24) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(30, 232, 200, .14) 0%, transparent 50%),
                linear-gradient(180deg, rgba(11, 17, 32, .78) 0%, rgba(11, 17, 32, .6) 50%, rgba(11, 17, 32, .92) 100%);
        }

        .hero-bg-grid {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
            background-size: 44px 44px;
            mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 78%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            color: rgba(230, 237, 247, .85);
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .hero-content .hero-badge i {
            color: var(--accent-cyan);
        }

        .hero-content h1 {
            color: #fff;
            font-size: clamp(2rem, 4.6vw, 3.8rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-content h1 .grad-text {
            background: linear-gradient(112deg, #fff 30%, var(--accent-cyan) 75%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0 0 22px rgba(30, 232, 200, .3));
        }

        .hero-content .hero-sub {
            font-size: clamp(1.05rem, 2vw, 1.35rem);
            color: rgba(230, 237, 247, .78);
            line-height: 1.7;
            margin-bottom: 10px;
            font-weight: 400;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-content .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0 32px;
        }

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

        /* ===== 数据条区 ===== */
        .stats-strip {
            position: relative;
            z-index: 5;
            margin-top: -46px;
        }

        .stats-strip .stat-panel {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            background: rgba(17, 27, 48, .75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 24px 36px;
        }

        .stat-cell {
            flex: 1 1 170px;
            padding: 10px 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            border-left: 1px solid rgba(255, 255, 255, .06);
            text-align: center;
        }

        .stat-cell:first-child {
            border-left: 0;
        }

        .stat-num {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.3;
            letter-spacing: 1px;
            font-variant-numeric: tabular-nums;
            text-shadow: 0 0 24px rgba(30, 232, 200, .3);
        }

        .stat-label {
            font-size: 14px;
            color: var(--info-blue);
        }

        @media (max-width: 768px) {
            .stats-strip .stat-panel {
                padding: 14px 10px;
                justify-content: center;
            }
            .stat-cell {
                flex: 1 1 40%;
                border-left: 0;
                padding: 12px;
            }
            .stat-cell:nth-child(2) {
                border-left: 1px solid rgba(255, 255, 255, .06);
            }
        }

        /* ===== 通用区块 ===== */
        .section-block {
            padding: 96px 0;
            position: relative;
        }

        .section-title-top {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-title-top .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 12px;
            border: 1px solid rgba(30, 232, 200, .3);
            border-radius: 999px;
            padding: 5px 16px;
            background: rgba(30, 232, 200, .05);
        }

        .section-title-top h2 {
            color: #fff;
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-title-top .section-desc {
            color: var(--info-blue);
            font-size: 15px;
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== 玻璃卡片 ===== */
        .glass-card {
            background: rgba(255, 255, 255, .045);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-xl);
            box-shadow: 0 16px 44px rgba(0, 0, 0, .22);
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 8%;
            width: 40%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent);
            opacity: 0;
            transition: opacity .4s;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .3), 0 0 30px rgba(30, 232, 200, .04);
            border-color: rgba(255, 255, 255, .13);
        }

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

        /* ===== 玩法流程 ===== */
        .playflow-strip {
            position: relative;
            display: flex;
            align-items: flex-start;
            gap: 0;
            margin-top: 24px;
        }

        .playflow-node {
            flex: 1;
            text-align: center;
            padding: 0 16px;
            position: relative;
        }

        .playflow-node .node-number {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: linear-gradient(145deg, rgba(43, 108, 255, .2), rgba(11, 17, 32, .8));
            border: 1px solid rgba(43, 108, 255, .5);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            box-shadow: 0 4px 18px rgba(43, 108, 255, .2);
            position: relative;
            z-index: 2;
        }

        .playflow-node .node-title {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .playflow-node .node-desc {
            color: var(--info-blue);
            font-size: 14px;
            line-height: 1.6;
        }

        .playflow-line {
            position: absolute;
            top: 24px;
            left: 18%;
            right: 18%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(43, 108, 255, .25) 30%, rgba(30, 232, 200, .25) 70%, transparent);
            z-index: 1;
        }

        @media (max-width: 768px) {
            .playflow-strip {
                flex-direction: column;
                gap: 28px;
            }
            .playflow-line {
                display: none;
            }
            .playflow-node .node-number {
                margin-bottom: 0;
            }
        }

        /* ===== 奖励预览 ===== */
        .reward-panel {
            display: flex;
            align-items: center;
            gap: 30px;
            padding: 48px 48px;
        }

        .reward-main {
            flex: 1.2;
            background: linear-gradient(135deg, rgba(43, 108, 255, .15), rgba(123, 92, 255, .05));
            border-radius: var(--radius-xl);
            padding: 38px 32px;
            text-align: center;
            border: 1px solid rgba(43, 108, 255, .18);
            position: relative;
            overflow: hidden;
        }

        .reward-main .award-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(246, 167, 35, .2);
            color: var(--accent-amber);
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
        }

        .reward-main .award-icon {
            font-size: 62px;
            color: var(--accent-amber);
            margin: 10px auto 14px;
            filter: drop-shadow(0 0 36px rgba(246, 167, 35, .3));
        }

        .reward-main .award-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }

        .reward-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .reward-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, .03);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .06);
        }

        .reward-item .reward-prize {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-cyan);
            width: 34px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .reward-panel {
                flex-direction: column;
                padding: 28px;
            }
            .reward-main {
                width: 100%;
            }
            .reward-main .award-title {
                font-size: 1.5rem;
            }
        }

        /* ===== 任务进度 ===== */
        .progress-panel {
            padding: 48px;
            margin-top: 12px;
        }

        .progress-track {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            margin: 30px 0 10px;
        }

        .progress-track::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 5%;
            right: 5%;
            height: 4px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .08);
        }

        .progress-track::after {
            content: '';
            position: absolute;
            top: 20px;
            left: 5%;
            width: 75%;
            height: 4px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(30, 232, 200, .3);
        }

        .progress-node {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            flex: 1;
            position: relative;
            z-index: 1;
            text-align: center;
            padding-top: 0;
        }

        .progress-node .dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #1a2235;
            border: 2px solid rgba(255, 255, 255, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .5);
            font-weight: 600;
            transition: all .3s;
        }

        .progress-node.finished .dot {
            background: linear-gradient(135deg, #1ee8c8, #2b6cff);
            border-color: rgba(255, 255, 255, .2);
            box-shadow: 0 0 24px rgba(30, 232, 200, .5);
            color: #0b1120;
        }

        .progress-node.active .dot {
            background: rgba(43, 108, 255, .2);
            border-color: var(--primary);
            box-shadow: 0 0 18px rgba(43, 108, 255, .4);
            color: #fff;
        }

        .progress-node .node-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .progress-node .node-reward {
            font-size: 12px;
            color: var(--info-blue);
        }

        @media (max-width: 768px) {
            .progress-panel {
                padding: 24px;
            }
            .progress-node .node-name {
                font-size: 12px;
            }
            .progress-node .dot {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .progress-track::before,
            .progress-track::after {
                top: 17px;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-list .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: rgba(255, 255, 255, .03);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .05);
            margin-bottom: 12px;
            transition: all .3s;
        }

        .news-list .news-item:hover {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .12);
            transform: translateX(4px);
        }

        .news-item .news-rank {
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 22px;
            font-style: italic;
            width: 42px;
            text-align: center;
            flex-shrink: 0;
        }

        .news-item .news-thumb {
            width: 92px;
            height: 64px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: linear-gradient(145deg, #1a2235, #111b30);
        }

        .news-item .news-center {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-center h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item .news-center .news-desc {
            color: var(--info-blue);
            font-size: 13px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
            flex-shrink: 0;
        }

        .news-item .news-tag {
            font-size: 12px;
            background: rgba(43, 108, 255, .12);
            color: #7ba2ff;
            padding: 2px 12px;
            border-radius: 999px;
        }

        .news-item .news-date {
            font-size: 12px;
            color: rgba(160, 179, 217, .7);
        }

        @media (max-width: 640px) {
            .news-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px;
            }
            .news-item .news-thumb {
                width: 72px;
                height: 54px;
            }
            .news-item .news-meta {
                flex-direction: row;
                justify-content: space-between;
                width: 100%;
                align-items: center;
                margin-top: 6px;
            }
            .news-item .news-center h4 {
                font-size: 15px;
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 1;
                line-clamp: 1;
                -webkit-box-orient: vertical;
            }
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--info-blue);
        }

        .news-empty .news-empty-icon {
            font-size: 48px;
            color: rgba(160, 179, 217, .4);
            margin-bottom: 16px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, .03);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .3s;
        }

        .faq-item.open {
            border-color: rgba(30, 232, 200, .25);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 26px;
            background: transparent;
            color: var(--text-main);
            border: 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            transition: color .3s;
        }

        .faq-q:hover {
            color: #fff;
        }

        .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 232, 200, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            transition: transform .3s;
            flex-shrink: 0;
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-a-inner {
            padding: 0 26px 22px;
            color: var(--info-blue);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA条 ===== */
        .cta-band {
            background: rgba(17, 27, 48, .7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 28px;
            padding: 36px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: var(--shadow-card);
            background-image: radial-gradient(circle at 15% 80%, rgba(30, 232, 200, .12), transparent 40%),
                radial-gradient(circle at 85% 10%, rgba(43, 108, 255, .14), transparent 40%);
        }

        .cta-band h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 6px;
        }

        .cta-band p {
            color: var(--info-blue);
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .cta-band {
                flex-direction: column;
                text-align: center;
                padding: 30px 24px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080e1a;
            border-top: 1px solid rgba(255, 255, 255, .05);
            padding: 60px 0 0;
            margin-top: 20px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 50px;
        }

        .footer-brand .footer-logo-title {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand p {
            color: var(--info-blue);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            color: var(--info-blue);
            font-size: 14px;
            padding: 5px 0;
            transition: color .2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .04);
            padding: 20px 0;
            text-align: center;
            color: rgba(160, 179, 217, .6);
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 装饰粒子 ===== */
        .sparkles {
            position: absolute;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px 2px rgba(30, 232, 200, .4);
            animation: float 7s ease-in-out infinite;
            opacity: 0;
        }

        @keyframes float {
            0%,
            100% {
                transform: translateY(0) scale(1);
                opacity: 0;
            }
            50% {
                opacity: .7;
            }
        }

        /* 通用辅助 */
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(30, 232, 200, .4), transparent);
            border: 0;
            margin: 0 auto;
        }

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

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

        .section-subtitle {
            color: var(--info-blue);
            font-size: 16px;
            max-width: 650px;
            margin: 12px auto 0;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0b1120;
            --bg-secondary: #111b30;
            --bg-tertiary: #182546;
            --primary-blue: #2b6cff;
            --accent-cyan: #1ee8c8;
            --accent-orange: #f6a723;
            --text-info: #a0b3d9;
            --text-subtle: #8a9cc7;
            --text-primary: #e6edf7;
            --text-white: #ffffff;
            --border-glass: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(255, 255, 255, 0.04);
            --radius-lg: 20px;
            --shadow-glow: 0 0 28px rgba(30, 232, 200, 0.15);
            --shadow-card: 0 8px 12px rgba(0, 0, 0, 0.18);
            --spacing-section: 100px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 玻璃卡片 */
        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .glass-card:hover {
            transform: translateY(-3px);
            border-color: rgba(30, 232, 200, 0.25);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35), 0 0 1px rgba(30, 232, 200, 0.5);
        }
        .glass-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(30, 232, 200, 0.6), transparent);
            opacity: 0;
            transition: opacity .3s ease;
        }
        .glass-card:hover::before {
            opacity: 1;
        }
        /* 导航 */
        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 32px;
            background: rgba(11, 17, 32, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 999px;
            padding: 10px 16px 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.09);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-white);
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            flex-shrink: 0;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary-blue));
            color: #0b1120;
            font-size: 15px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-info);
            padding: 8px 16px;
            border-radius: 999px;
            transition: all .25s ease;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgb(255, 255, 255, 0.05);
            text-shadow: 0 0 6px rgba(30, 232, 200, 0.5);
        }
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 20px;
            right: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 6px var(--accent-cyan);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.15);
            width: 44px;
            height: 40px;
            border-radius: 40px;
            color: var(--text-info);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all .25s ease;
            align-items: center;
            justify-content: center;
        }
        /* 主按钮 */
        .btn-primary {
            display: inline-flex;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #2b6cff 100%);
            color: #0b1120;
            font-size: 1rem;
            transition: all .3s ease;
            box-shadow: 0 0 16px rgba(30, 232, 200, 0.2);
            text-decoration: none;
            line-height: 1.2;
            position: relative;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(30, 232, 200, 0.4), 0 8px 18px rgba(43, 108, 255, 0.25);
            color: #0b1120;
            background: linear-gradient(135deg, #32f5d5 0%, #3f7cff 100%);
        }
        .btn-primary:active {
            transform: translateY(0);
            opacity: 0.85;
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .nav-toggle:focus-visible,
        .nav-links a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 12px;
        }
        /* 辅助按钮 */
        .btn-outline {
            display: inline-flex;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-white);
            font-weight: 500;
            transition: all .3s ease;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(30, 232, 200, 0.5);
            color: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(30, 232, 200, 0.1);
        }
        .btn-outline:active {
            background: rgba(255, 255, 255, 0.07);
            transform: scale(0.98);
        }
        /* 首页 Hero */
        .hero-section {
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: linear-gradient(0deg, rgba(11, 17, 32, 0.85), rgba(11, 17, 32, 0.65)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 90px 0 60px;
        }
        .hero-title {
            font-size: clamp(2rem, 6vw, 4rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-shadow: 0 0 40px rgba(30, 232, 200, 0.35);
        }
        .hero-title .accent {
            background: linear-gradient(135deg, rgba(30, 232, 200, 0.95), rgba(120, 180, 255, 0.7), rgba(246, 167, 35, 0.8));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        /* 数据条 */
        .data-strip {
            position: relative;
            z-index: 5;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            padding: 18px 20px;
        }
        /* 图区块 */
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        /* 步骤 */
        .step-timeline {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            gap: 4px;
            position: relative;
        }
        .step-node {
            flex: 1;
            position: relative;
            padding: 20px 18px 18px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.06);
            text-align: left;
            transition: all .25s ease;
        }
        .step-node::after {
            content: "";
            position: absolute;
            right: -12px;
            top: 40%;
            width: 24px;
            height: 2px;
            background: linear-gradient(135deg, rgba(30, 232, 200, 0.5), rgba(255, 255, 255, 0.2));
        }
        .step-node:last-child::after {
            display: none;
        }
        .step-node:hover {
            border-color: rgba(30, 232, 200, 0.3);
            transform: translateY(-3px);
            background: rgba(30, 232, 200, 0.05);
        }
        /* FAQ */
        .faq-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 18px;
            padding: 26px 30px;
            cursor: pointer;
            transition: all .3s ease;
        }
        .faq-card.open {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(30, 232, 200, 0.28);
        }
        /* 列表式资讯 */
        .news-item-card {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 22px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all .25s ease;
        }
        .news-item-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(30, 232, 200, 0.2);
            transform: translateX(4px);
        }
        /* 页脚 */
        .site-footer {
            background: #080e1a;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 55px 0 20px;
            margin-top: 50px;
        }
        .footer-links a {
            display: block;
            color: var(--text-info);
            margin-bottom: 12px;
            font-size: 0.98rem;
            text-decoration: none;
            transition: color .2s ease;
            line-height: 1.4;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        /* 响应式 */
        @media (max-width: 1080px) {
            .nav-capsule {
                gap: 18px;
                padding: 8px 14px 8px 12px;
            }
            .nav-links a {
                font-size: 0.9rem;
                padding: 7px 12px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 78px;
                left: 16px;
                right: 16px;
                background: rgba(11, 17, 32, 0.97);
                border-radius: 18px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                z-index: 200;
                align-items: stretch;
                display: none;
                opacity: 0;
                transform: translateY(-12px);
                transition: all .3s ease;
            }
            .nav-links.mobile-open {
                display: flex;
                opacity: 1;
                transform: translateY(0);
            }
            .nav-links a {
                display: block;
                text-align: left;
                padding: 12px 14px;
                font-size: 1rem;
                border-radius: 12px;
            }
            .nav-links a.active {
                background: rgba(30, 232, 200, 0.08);
            }
            .nav-cta {
                margin-left: auto;
            }
            .nav-cta .btn-primary {
                font-size: 13px;
                padding: 8px 14px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .step-timeline {
                flex-direction: column;
                gap: 18px;
            }
            .step-node::after {
                display: none;
            }
            .news-item-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .section {
                padding: 60px 0;
            }
            .container {
                padding: 0 16px;
            }
            .site-footer {
                padding: 35px 0 15px;
            }
            .footer-bottom p {
                font-size: 13px;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
                flex-direction: row;
                opacity: 1;
            }
            .nav-cta {
                align-items: center;
            }
        }

/* roulang page: article */
:root {
            --bg: #0b1120;
            --bg-2: #111b30;
            --primary: #2b6cff;
            --accent-cyan: #1ee8c8;
            --accent-gold: #f6a723;
            --info: #a0b3d9;
            --text: #e6edf7;
            --white: #ffffff;
            --line: rgba(255, 255, 255, 0.1);
            --radius-card: 22px;
            --radius-btn: 12px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background:
                radial-gradient(80% 60% at 80% -10%, rgba(43, 108, 255, 0.18), transparent 60%),
                radial-gradient(50% 40% at 0% 30%, rgba(30, 232, 200, 0.08), transparent 50%),
                var(--bg);
            background-attachment: fixed;
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            mask-image: radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.6), transparent 70%);
        }

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

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

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

        .container-page {
            width: min(1280px, 92%);
            margin-inline: auto;
            position: relative;
            z-index: 2;
        }

        ::selection {
            background: rgba(30, 232, 200, 0.3);
            color: #fff;
        }

        .site-header {
            position: sticky;
            top: 16px;
            z-index: 50;
            padding: 0 16px;
            margin-bottom: -20px;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: 1200px;
            margin-inline: auto;
            background: rgba(10, 18, 32, 0.72);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 10px 10px 10px 22px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: background .3s, border-color .3s;
        }

        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 800;
            font-size: 17px;
            white-space: nowrap;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
            color: #0b1120;
            font-size: 14px;
            box-shadow: 0 0 18px rgba(30, 232, 200, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-link {
            position: relative;
            padding: 9px 15px;
            border-radius: 99px;
            color: #b8c6e6;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: color .25s, background .25s;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 15px;
            right: 15px;
            bottom: 4px;
            height: 2px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            box-shadow: 0 0 12px rgba(30, 232, 200, 0.7);
        }

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

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

        .nav-link.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
        }

        .nav-cta .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), #1ba8d6);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 22px rgba(43, 108, 255, 0.45);
            transition: transform .25s, box-shadow .25s, background .25s;
        }

        .nav-cta .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(30, 232, 200, 0.35), 0 0 28px rgba(43, 108, 255, 0.5);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--line);
            border-radius: 12px;
            width: 44px;
            height: 44px;
            color: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        @media (max-width: 1023.98px) {
            .nav-capsule {
                flex-wrap: wrap;
                border-radius: 28px;
                padding: 10px 12px;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                padding: 10px;
                background: rgba(8, 14, 27, 0.96);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 20px;
                margin-top: 8px;
                backdrop-filter: blur(18px);
                gap: 4px;
            }

            .nav-links.nav-open,
            .nav-links:target,
            .nav-open+.nav-links {
                display: flex;
            }

            .nav-capsule.nav-is-open .nav-links {
                display: flex;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-cta {
                margin-left: auto;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            color: #0b1120;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary) 88%);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 24px rgba(30, 232, 200, 0.3);
            cursor: pointer;
            transition: transform .25s, box-shadow .25s, filter .25s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(30, 232, 200, 0.4), 0 0 24px rgba(43, 108, 255, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.92);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .nav-toggle:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #d7e2f5;
            font-size: 15px;
            font-weight: 500;
            transition: all .25s;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            background: rgba(43, 108, 255, 0.12);
            box-shadow: 0 0 20px rgba(43, 108, 255, 0.18);
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        .article-top {
            padding: 92px 0 56px;
        }

        .article-hero {
            position: relative;
            overflow: hidden;
            border-radius: 30px;
            padding: clamp(28px, 6vw, 68px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background:
                radial-gradient(70% 90% at 85% 10%, rgba(30, 232, 200, 0.22), transparent 55%),
                radial-gradient(60% 70% at 0% 100%, rgba(43, 108, 255, 0.18), transparent 60%),
                linear-gradient(135deg, rgba(11, 17, 32, 0.72), rgba(17, 27, 48, 0.92)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .article-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image: linear-gradient(115deg, transparent 60%, rgba(30, 232, 200, 0.08) 60%, rgba(30, 232, 200, 0.04) 100%);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--info);
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }

        .breadcrumb a {
            color: var(--info);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .divider {
            color: rgba(160, 179, 217, 0.5);
        }

        .crumb-tag {
            color: #cfdcf5;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 24px;
            margin-top: 26px;
            color: var(--info);
            font-size: 14px;
        }

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

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 13px;
        }

        .meta-pill {
            display: inline-block;
            background: rgba(30, 232, 200, 0.12);
            border: 1px solid rgba(30, 232, 200, 0.26);
            border-radius: 999px;
            padding: 3px 12px;
            color: #b9f6ed;
            font-size: 12px;
        }

        .article-title {
            font-size: clamp(2rem, 4.6vw, 3.2rem);
            line-height: 1.25;
            font-weight: 800;
            margin: 0;
            color: var(--white);
            letter-spacing: -0.01em;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .article-body-wrap {
            margin-top: 38px;
        }

        .article-panel {
            background: rgba(17, 27, 48, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 28px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: clamp(26px, 5vw, 56px);
            position: relative;
            overflow: hidden;
        }

        .article-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 70%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(30, 232, 200, 0.7), transparent);
        }

        .article-body {
            max-width: 780px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.9;
            color: #e6edf9;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--white);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            line-height: 1.4;
        }

        .article-body h2 {
            font-size: 1.55rem;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 14px;
        }

        .article-body h3 {
            font-size: 1.3rem;
        }

        .article-body p {
            margin: 1.25em 0;
        }

        .article-body ul,
        .article-body ol {
            margin: 1.2em 0;
            padding-left: 1.4em;
        }

        .article-body li {
            margin: 0.45em 0;
        }

        .article-body img {
            border-radius: 18px;
            margin: 1.6em auto;
            box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
        }

        .article-body a {
            color: #7eeef8;
            border-bottom: 1px solid rgba(30, 232, 200, 0.4);
            transition: color .25s, border-color .25s;
        }

        .article-body a:hover {
            color: #2bd6ff;
            border-color: #2bd6ff;
        }

        .article-body blockquote {
            margin: 1.6em 0;
            padding: 18px 24px;
            background: rgba(43, 108, 255, 0.12);
            border: 1px solid rgba(43, 108, 255, 0.25);
            border-left: 4px solid var(--primary);
            border-radius: 0 16px 16px 0;
            color: #dbe7ff;
        }

        .article-body pre {
            background: #0a101d;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 18px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 1.4em 0;
        }

        .article-body code {
            background: rgba(30, 232, 200, 0.09);
            border: 1px solid rgba(30, 232, 200, 0.12);
            border-radius: 5px;
            padding: 2px 6px;
            font-size: 0.9em;
            color: #aef4ec;
        }

        .article-body pre code {
            background: transparent;
            border: 0;
            padding: 0;
            color: #d7f5ff;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4em 0;
            font-size: 15px;
            background: rgba(10, 17, 32, 0.35);
            border-radius: 14px;
            overflow: hidden;
        }

        .article-body th,
        .article-body td {
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            text-align: left;
            line-height: 1.7;
        }

        .article-body th {
            background: rgba(43, 108, 255, 0.25);
            color: #e8fbff;
            font-weight: 600;
        }

        .article-body hr {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(119, 175, 255, 0.4), transparent);
            margin: 2em 0;
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
        }

        .empty-icon {
            width: 76px;
            height: 76px;
            border-radius: 26px;
            margin: 0 auto 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(43, 108, 255, 0.12);
            border: 1px solid var(--line);
            color: var(--accent-cyan);
            font-size: 26px;
        }

        .article-footer-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 52px;
        }

        .related-section {
            margin-top: 42px;
            padding: clamp(28px, 5vw, 52px);
            background: rgba(17, 27, 48, 0.35);
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-glow);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: #84f3e5;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-kicker i {
            font-size: 12px;
        }

        .section-title {
            color: var(--white);
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 800;
            margin: 0 0 24px;
            line-height: 1.3;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
            border-radius: 22px;
            background: rgba(17, 27, 48, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform .3s, border-color .3s, box-shadow .3s;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: rgba(30, 232, 200, 0.4);
            box-shadow: 0 18px 36px rgba(0, 0, 0, 0.3), 0 0 26px rgba(30, 232, 200, 0.12);
        }

        .related-cover {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-cover::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 40%;
            background: linear-gradient(0deg, rgba(11, 17, 32, 0.8), transparent);
        }

        .related-body {
            padding: 22px 20px 24px;
            flex: 1;
        }

        .related-body h3 {
            font-size: 1.06rem;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .related-body p {
            color: #9fb0d2;
            font-size: 14px;
            line-height: 1.75;
            margin: 0 0 16px;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
        }

        .related-link i {
            transition: transform .25s;
        }

        .related-card:hover .related-link i {
            transform: translateX(3px);
        }

        .site-footer {
            position: relative;
            z-index: 2;
            margin-top: 90px;
            padding: 70px 30px 45px;
            background: linear-gradient(180deg, rgba(9, 14, 26, 0.3), #070c17 50%);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .site-footer a,
        .site-footer h5 {
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 56px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand p {
            color: #93a4c9;
            line-height: 1.8;
            max-width: 440px;
            margin: 16px 0 0;
            font-size: 15px;
        }

        .footer-logo-title {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 17px;
        }

        .footer-col a {
            display: block;
            color: var(--info);
            font-size: 14px;
            margin: 11px 0;
            transition: color .25s, padding-left .25s;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: 30px;
            font-size: 13px;
            color: #65779b;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 1023.98px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 35px;
                padding-bottom: 28px;
            }

            .related-card {
                max-width: 500px;
            }
        }

        @media (max-width: 767.98px) {
            .article-meta {
                gap: 12px;
            }

            .article-panel {
                padding: 24px 20px;
            }

            .article-body {
                font-size: 16px;
                line-height: 1.8;
            }

            .article-title {
                font-size: 1.9rem;
            }

            .article-hero {
                padding: 28px 18px;
            }

            .article-footer-buttons .btn-primary,
            .article-footer-buttons .btn-ghost {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #0b1120;
            --bg-2: #111b30;
            --primary: #2b6cff;
            --accent: #1ee8c8;
            --warm: #f6a723;
            --text: #e6edf7;
            --white: #ffffff;
            --muted: #a0b3d9;
            --border: rgba(255, 255, 255, 0.1);
            --glass: rgba(255, 255, 255, 0.05);
            --radius: 20px;
            --shadow: 0 20px 55px rgba(0, 0, 0, 0.30);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background:
                radial-gradient(circle at 12% 8%, rgba(43, 108, 255, 0.12), transparent 28%),
                radial-gradient(circle at 85% 20%, rgba(30, 232, 200, 0.08), transparent 24%),
                var(--bg);
            color: var(--text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        .section {
            padding: 90px 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.35rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--muted);
            max-width: 780px;
            margin-top: 6px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
            background: rgba(30, 232, 200, 0.08);
            border: 1px solid rgba(30, 232, 200, 0.20);
            padding: 7px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .eyebrow i {
            font-size: 13px;
        }

        .site-header {
            position: relative;
            z-index: 60;
            padding: 22px 26px 0;
        }

        .nav-capsule {
            position: relative;
            max-width: 1240px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(10, 18, 32, 0.70);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 8px 10px 8px 18px;
            box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
        }

        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: 0.02em;
            color: var(--white);
            white-space: nowrap;
            padding: 8px 6px 8px 0;
        }

        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            flex: 0 0 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #0b1120;
            font-size: 17px;
            box-shadow: 0 0 22px rgba(30, 232, 200, 0.25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            min-height: 40px;
            padding: 0 15px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(230, 237, 247, 0.78);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: var(--white);
            background: rgba(255, 255, 255, 0.09);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 5px;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent);
        }

        .nav-cta {
            margin-left: auto;
        }

        .nav-cta .btn-primary {
            min-height: 42px;
            padding: 0 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 46px;
            height: 46px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--white);
            font-size: 17px;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.25s ease;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--warm);
            outline-offset: 3px;
        }

        .btn-primary,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 50px;
            padding: 0 26px;
            border-radius: 14px;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease, opacity 0.2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #4a8cff 48%, var(--primary) 100%);
            color: #04121f;
            box-shadow: 0 0 0 rgba(30, 232, 200, 0), 0 14px 35px rgba(30, 232, 200, 0.12);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(30, 232, 200, 0.32), 0 18px 34px rgba(43, 108, 255, 0.22);
            color: #04121f;
        }

        .btn-primary:active {
            transform: translateY(1px);
            opacity: 0.88;
            box-shadow: 0 6px 22px rgba(30, 232, 200, 0.18);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: 2px solid var(--warm);
            outline-offset: 4px;
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--white);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.32);
            transform: translateY(-2px);
            color: var(--white);
        }

        .btn-outline:active {
            transform: translateY(1px);
            background: rgba(255, 255, 255, 0.14);
        }

        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 72px 0 72px;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 35%;
            opacity: 0.24;
        }

        .category-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 70% 30%, rgba(30, 232, 200, 0.16), transparent 32%),
                linear-gradient(90deg, rgba(11, 17, 32, 0.94) 0%, rgba(11, 17, 32, 0.72) 70%, rgba(11, 17, 32, 0.35) 100%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }

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

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

        .category-hero h1 {
            font-size: clamp(2.4rem, 5vw, 4rem);
            line-height: 1.15;
            color: var(--white);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 4px 0 20px;
        }

        .category-hero .hero-lead {
            font-size: 18px;
            line-height: 1.85;
            color: var(--text);
            max-width: 760px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
            z-index: 3;
        }

        .hero-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 34px;
        }

        .hero-tag-list span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            padding: 7px 15px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
        }

        .glass-card {
            position: relative;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .glass-card::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 12%;
            width: 46%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(30, 232, 200, 0.63), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .glass-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 24px 55px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.20);
        }

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

        .card-highlight {
            background:
                linear-gradient(145deg, rgba(43, 108, 255, 0.13), transparent 60%),
                rgba(255, 255, 255, 0.05);
        }

        .card-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, rgba(30, 232, 200, 0.16), rgba(43, 108, 255, 0.20));
            border: 1px solid rgba(30, 232, 200, 0.18);
            color: var(--accent);
            font-size: 22px;
            margin-bottom: 22px;
        }

        .card-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .card-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .play-index-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .play-index-card {
            padding: 30px 32px;
            min-height: 230px;
        }

        .play-index-card.is-large {
            grid-row: span 2;
            min-height: 480px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .play-index-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            margin-top: 22px;
            transition: gap 0.2s ease;
        }

        .play-index-card .card-link:hover {
            gap: 12px;
        }

        .flow-line {
            position: relative;
        }

        .flow-line::before {
            content: "";
            position: absolute;
            top: 44px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(43, 108, 255, 0.4), rgba(30, 232, 200, 0.45), transparent);
            z-index: 0;
            border-radius: 99px;
        }

        .flow-steps {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-node {
            text-align: center;
            padding: 0 12px;
        }

        .step-circle {
            width: 90px;
            height: 90px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            box-shadow: 0 0 30px rgba(30, 232, 200, 0.10);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
        }

        .step-circle::after {
            content: "";
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 1px dashed rgba(30, 232, 200, 0.22);
        }

        .step-node:hover .step-circle {
            transform: translateY(-4px);
            box-shadow: 0 0 30px rgba(30, 232, 200, 0.26);
        }

        .step-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
            max-width: 250px;
            margin: 0 auto;
        }

        .media-split {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .media-visual {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .media-visual img {
            width: 100%;
            height: 430px;
            object-fit: cover;
        }

        .media-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(165deg, rgba(11, 17, 32, 0.10), rgba(11, 17, 32, 0.55));
            pointer-events: none;
        }

        .media-content ul {
            list-style: none;
            margin: 26px 0 0;
            display: grid;
            gap: 16px;
        }

        .media-content li {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
        }

        .media-content li i {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(30, 232, 200, 0.13);
            color: var(--accent);
            font-size: 13px;
            margin-top: 3px;
        }

        .media-content li strong {
            color: var(--white);
            font-weight: 700;
            font-size: 16px;
        }

        .media-content li p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .variety-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .variety-card {
            padding: 22px 22px 24px;
            border-radius: 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .variety-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 16px;
        }

        .variety-tag {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(246, 167, 35, 0.12);
            border: 1px solid rgba(246, 167, 35, 0.22);
            color: var(--warm);
        }

        .faq-wrap {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.10);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: background 0.25s ease;
        }

        .faq-item[open] {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.16);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
            padding: 21px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            line-height: 1.5;
        }

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

        .faq-item summary i {
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
            font-size: 13px;
            transition: transform 0.25s ease, color 0.25s ease, background 0.25s ease;
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
            background: rgba(30, 232, 200, 0.12);
            color: var(--accent);
        }

        .faq-item .faq-content {
            padding: 0 26px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            border-top: 1px dashed rgba(255, 255, 255, 0.07);
            margin: 0 26px 0;
            padding-left: 0;
            padding-right: 0;
            padding-top: 18px;
        }

        .faq-item:focus-within {
            outline: 2px solid var(--warm);
            outline-offset: 2px;
        }

        .cta-panel {
            background:
                linear-gradient(120deg, rgba(43, 108, 255, 0.20), rgba(30, 232, 200, 0.06)),
                rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: calc(var(--radius) + 8px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            padding: 44px 50px;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            top: -90px;
            right: -50px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(30, 232, 200, 0.13), transparent 70%);
        }

        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.3;
        }

        .cta-panel p {
            color: var(--muted);
            max-width: 560px;
            margin-top: 10px;
            line-height: 1.8;
        }

        .site-footer {
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.2), rgba(6, 11, 20, 0.95));
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 80px 0 30px;
            margin-top: 70px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 42px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-logo-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 18px;
        }

        .footer-brand p {
            max-width: 380px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--muted);
            font-size: 14px;
            padding: 8px 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-top: 24px;
            color: rgba(160, 179, 217, 0.7);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                gap: 10px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-link {
                padding: 0 10px;
                font-size: 14px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }

            .nav-links {
                position: absolute;
                top: calc(100% + 16px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(10, 18, 32, 0.94);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.10);
                padding: 16px;
                border-radius: 24px;
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                padding: 14px 18px;
                font-size: 16px;
            }

            .nav-link.active::after {
                display: none;
            }

            .media-split {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 66px 0;
            }

            .container-page {
                padding-left: 20px;
                padding-right: 20px;
            }

            .site-header {
                padding: 14px 14px 0;
            }

            .nav-capsule {
                min-height: 60px;
                padding: 6px 6px 6px 14px;
            }

            .nav-brand {
                font-size: 16px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                flex: 0 0 32px;
                font-size: 14px;
            }

            .category-hero {
                min-height: 460px;
                padding: 45px 0 55px;
            }

            .category-hero h1 {
                margin-top: 10px;
            }

            .play-index-grid {
                grid-template-columns: 1fr;
            }

            .play-index-card.is-large {
                min-height: 0;
                grid-row: auto;
            }

            .flow-line::before {
                display: none;
            }

            .flow-steps {
                grid-template-columns: 1fr 1fr;
                gap: 26px 14px;
            }

            .step-circle {
                width: 76px;
                height: 76px;
            }

            .media-visual img {
                height: 300px;
            }

            .variety-cards {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 34px 28px;
            }

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

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

        @media (max-width: 520px) {
            .nav-brand .brand-icon {
                width: 30px;
                height: 30px;
                flex: 0 0 30px;
                font-size: 13px;
            }

            .nav-brand span:last-child {
                font-size: 16px;
            }

            .nav-toggle {
                width: 42px;
                height: 42px;
            }

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

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

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

            .play-index-card {
                padding: 24px 22px;
            }

            .faq-item summary {
                font-size: 15px;
                padding: 18px 18px;
            }

            .section-title {
                font-size: 1.75rem;
            }
        }

/* roulang page: category3 */
:root {
            --page-bg: #0b1120;
            --panel-bg: #111b30;
            --primary-blue: #2b6cff;
            --accent-cyan: #1ee8c8;
            --warn-gold: #f6a723;
            --text-primary: #e6edf7;
            --text-info: #a0b3d9;
            --border-light: rgba(255, 255, 255, .1);
            --card-bg: rgba(255, 255, 255, .05);
            --radius-xl: 22px;
            --radius-lg: 18px;
            --radius-md: 14px;
            --shadow-card: 0 18px 45px rgba(4, 10, 25, .30);
            --shadow-glow: 0 0 0 4px rgba(30, 232, 200, .12), 0 14px 34px rgba(30, 232, 200, .18);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--page-bg);
            color: var(--text-primary);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

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

        .section-block {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        .section-alt {
            background: linear-gradient(180deg, rgba(17, 27, 48, .24), rgba(11, 17, 32, 0) 70%);
        }

        .glass-card {
            position: relative;
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 255, 255, .09);
            background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .glass-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, .16);
            box-shadow: 0 24px 55px rgba(4, 10, 25, .42);
        }

        .section-head {
            max-width: 740px;
            margin: 0 auto 52px;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(30, 232, 200, .08);
            border: 1px solid rgba(30, 232, 200, .18);
            border-radius: 999px;
            padding: 6px 16px 6px 14px;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.45rem);
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: .01em;
        }

        .section-sub {
            color: var(--text-info);
            font-size: 16px;
            line-height: 1.9;
            margin: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            cursor: pointer;
            border-radius: 12px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary-blue));
            color: #07111f;
            box-shadow: 0 10px 26px rgba(30, 232, 200, .18);
            transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
            min-height: 44px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:active {
            transform: translateY(1px) scale(.99);
            opacity: .88;
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 12px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #dce8ff;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .13);
            backdrop-filter: blur(6px);
            transition: border-color .2s, background .2s, transform .2s, box-shadow .2s;
            min-height: 44px;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, .28);
            background: rgba(255, 255, 255, .09);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(4, 10, 25, .25);
        }

        .btn-ghost:active {
            transform: translateY(1px);
        }

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

        .mini-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 999px;
            padding: 5px 13px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(43, 108, 255, .16);
            border: 1px solid rgba(43, 108, 255, .24);
            color: #c7d7ff;
        }

        .badge-cyan {
            background: rgba(30, 232, 200, .10);
            border-color: rgba(30, 232, 200, .22);
            color: #aef3e6;
        }

        .badge-gold {
            background: rgba(246, 167, 35, .12);
            border-color: rgba(246, 167, 35, .26);
            color: #ffd9a0;
        }

        .badge-line {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .10);
            color: #b5c5e4;
        }

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

        .text-gold {
            color: var(--warn-gold);
        }

        .hero-em {
            background: linear-gradient(120deg, var(--accent-cyan), #6c9bff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .mb-48 {
            margin-bottom: 0;
        }

        .site-header {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 100;
            pointer-events: none;
        }

        .nav-capsule {
            max-width: 1160px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 18px;
            background: rgba(9, 16, 30, .72);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .10);
            border-radius: 999px;
            padding: 10px 12px 10px 20px;
            box-shadow: 0 12px 38px rgba(0, 0, 0, .28);
            pointer-events: auto;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            white-space: nowrap;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary-blue));
            color: #07111f;
            font-size: 14px;
            box-shadow: 0 0 18px rgba(30, 232, 200, .24);
        }

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

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 500;
            color: #b7c6e6;
            transition: background .2s, color .2s, box-shadow .2s;
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, .07);
        }

        .nav-link.active {
            color: #eafffb;
            background: rgba(30, 232, 200, .12);
            box-shadow: inset 0 0 0 1px rgba(30, 232, 200, .28);
        }

        .nav-link.active::after {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .nav-cta {
            display: flex;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .04);
            color: #dfe8ff;
            font-size: 18px;
            cursor: pointer;
            transition: background .2s, transform .2s;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .10);
        }

        @media (max-width: 860px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .site-header.menu-open .nav-links {
                position: absolute;
                top: 74px;
                left: 16px;
                right: 16px;
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 10px;
                background: rgba(10, 17, 31, .96);
                border: 1px solid rgba(255, 255, 255, .10);
                border-radius: 24px;
                padding: 18px;
                backdrop-filter: blur(22px);
                box-shadow: 0 24px 60px rgba(0, 0, 0, .38);
                pointer-events: auto;
            }
            .site-header.menu-open .nav-link {
                width: 100%;
                justify-content: center;
                font-size: 16px;
                padding: 13px;
            }
            .site-header.menu-open .nav-cta {
                display: none;
            }
        }

        .page-hero {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            min-height: 640px;
            padding: 170px 0 96px;
            background:
                linear-gradient(100deg, rgba(11, 17, 32, .94) 8%, rgba(13, 22, 40, .78) 45%, rgba(17, 27, 48, .36) 90%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .02) 1px, transparent 1px);
            background-size: 52px 52px;
            mask-image: radial-gradient(ellipse at 30% 30%, #000 0%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at 30% 30%, #000 0%, transparent 70%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 460px;
            height: 460px;
            right: -90px;
            bottom: -120px;
            background: radial-gradient(circle, rgba(43, 108, 255, .20), transparent 65%);
            pointer-events: none;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #98ccff;
            background: rgba(43, 108, 255, .12);
            border: 1px solid rgba(43, 108, 255, .24);
            border-radius: 999px;
            padding: 7px 18px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(2.6rem, 6vw, 4.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: .02em;
            color: #ffffff;
            margin: 0 0 22px;
        }

        .hero-desc {
            max-width: 560px;
            color: #c3d2eb;
            font-size: 17px;
            line-height: 1.9;
            margin: 0 0 34px;
        }

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

        .hero-panel {
            border-radius: 24px;
            background: rgba(17, 27, 48, .55);
            border: 1px solid rgba(255, 255, 255, .12);
            box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            padding: 28px;
        }

        .stat-title {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #aec2e3;
            font-size: 14px;
            font-weight: 600;
        }

        .float-num {
            color: var(--accent-cyan);
            font-weight: 800;
            font-family: "SFMono-Regular", "Cascadia Code", Consolas, monospace;
            font-size: 24px;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .feature-main-card .card-content {
            position: relative;
            z-index: 2;
        }

        .activity-mini {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex: 1;
        }

        .progress-line {
            height: 8px;
            border-radius: 99px;
            background: rgba(255, 255, 255, .08);
            overflow: hidden;
        }

        .progress-line span {
            display: block;
            height: 100%;
            border-radius: 99px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary-blue));
            box-shadow: 0 0 14px rgba(30, 232, 200, .45);
        }

        .rank-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: 16px;
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .06);
        }

        .rank-no {
            width: 34px;
            height: 34px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            font-family: Consolas, monospace;
            background: rgba(255, 255, 255, .07);
            color: #b7c7e8;
        }

        .rank-no.rank-first {
            background: rgba(246, 167, 35, .16);
            border: 1px solid rgba(246, 167, 35, .24);
            color: #ffd199;
        }

        .week-strip {
            display: grid;
            grid-template-columns: repeat(7, minmax(160px, 1fr));
            gap: 14px;
            overflow-x: auto;
            padding-bottom: 4px;
        }

        .day-card {
            border-radius: 18px;
            border: 1px solid rgba(255, 255, 255, .08);
            background: rgba(255, 255, 255, .04);
            padding: 18px 14px;
            min-height: 128px;
            transition: border-color .2s, background .2s, transform .2s;
        }

        .day-card.today {
            border-color: rgba(30, 232, 200, .5);
            background: linear-gradient(150deg, rgba(30, 232, 200, .12), rgba(43, 108, 255, .06));
            box-shadow: 0 0 26px rgba(30, 232, 200, .10);
        }

        .day-card .day-name {
            font-size: 15px;
            font-weight: 800;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .day-card .day-tip {
            color: #9fafd1;
            font-size: 13.5px;
            line-height: 1.65;
            margin-top: 10px;
        }

        .day-card.today .day-name {
            color: var(--accent-cyan);
        }

        .day-card.today .day-tip {
            color: #c4ecd6;
        }

        .stage-track {
            position: relative;
            margin-top: 46px;
            padding: 0 6px;
        }

        .stage-line {
            position: absolute;
            top: 27px;
            left: 5%;
            right: 5%;
            height: 8px;
            border-radius: 99px;
            background: rgba(255, 255, 255, .07);
            overflow: hidden;
            z-index: 0;
        }

        .stage-line span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary-blue));
            box-shadow: 0 0 18px rgba(30, 232, 200, .35);
        }

        .stage-points {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: space-between;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 18px;
        }

        .stage-node {
            min-width: 138px;
            text-align: center;
        }

        .node-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 800;
            border: 1px solid rgba(255, 255, 255, .10);
            background: var(--panel-bg);
            color: #62738f;
            margin-bottom: 12px;
            transition: border-color .2s, box-shadow .2s, color .2s, background .2s;
        }

        .stage-node.done .node-dot {
            color: var(--accent-cyan);
            border-color: rgba(30, 232, 200, .36);
            background: rgba(30, 232, 200, .08);
            box-shadow: 0 0 18px rgba(30, 232, 200, .18);
        }

        .stage-node.current .node-dot {
            border-color: var(--primary-blue);
            background: rgba(43, 108, 255, .18);
            color: #8fc2ff;
            box-shadow: 0 0 0 6px rgba(43, 108, 255, .08), 0 0 18px rgba(43, 108, 255, .32);
            animation: nodePulse 1.6s infinite;
        }

        @keyframes nodePulse {
            0% {
                box-shadow: 0 0 0 0 rgba(43, 108, 255, .20), 0 0 18px rgba(43, 108, 255, .30);
            }
            70% {
                box-shadow: 0 0 0 12px rgba(43, 108, 255, 0), 0 0 18px rgba(43, 108, 255, .20);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(43, 108, 255, 0), 0 0 18px rgba(43, 108, 255, .20);
            }
        }

        .stage-node strong {
            display: block;
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
        }

        .stage-node em {
            display: block;
            font-style: normal;
            color: #8fa3c6;
            font-size: 13px;
            line-height: 1.6;
            margin-top: 4px;
        }

        .step-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: rgba(255, 255, 255, .035);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 20px;
            padding: 20px 22px;
            transition: border-color .2s, background .2s;
        }

        .step-list li:hover {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .13);
        }

        .step-num {
            flex: 0 0 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 800;
            font-family: Consolas, monospace;
            background: linear-gradient(135deg, rgba(30, 232, 200, .18), rgba(43, 108, 255, .14));
            color: var(--accent-cyan);
            border: 1px solid rgba(30, 232, 200, .2);
        }

        .step-list h4 {
            margin: 0 0 6px;
            color: #fff;
            font-size: 16.5px;
            font-weight: 700;
        }

        .step-list p {
            margin: 0;
            color: var(--text-info);
            font-size: 15px;
            line-height: 1.75;
        }

        .faq-list {
            max-width: 880px;
            margin: 0 auto;
            padding: 16px 20px;
            border-radius: 26px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            transition: background .2s;
        }

        .faq-item:last-child {
            border-bottom: 0;
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            background: transparent;
            border: 0;
            color: #e6effb;
            font-size: 16px;
            font-weight: 700;
            padding: 20px 6px;
            cursor: pointer;
            text-align: left;
            transition: color .2s;
        }

        .faq-q .faq-icon {
            flex: 0 0 32px;
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .10);
            background: rgba(255, 255, 255, .04);
            color: var(--accent-cyan);
            transition: background .2s, transform .2s;
        }

        .faq-item.open .faq-q .faq-icon {
            background: rgba(30, 232, 200, .12);
            transform: rotate(135deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height .3s ease, opacity .25s ease, padding .2s ease;
            padding: 0 6px;
        }

        .faq-item.open .faq-a {
            max-height: 600px;
            opacity: 1;
            padding-bottom: 20px;
        }

        .faq-a p {
            margin: 0 0 8px;
            color: #b4c4e2;
            font-size: 15px;
            line-height: 1.9;
            padding-left: 4px;
            border-left: 3px solid rgba(30, 232, 200, .25);
        }

        .cta-band {
            padding: 30px 0 90px;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            padding: 38px 44px;
            border-radius: 28px;
            background:
                radial-gradient(circle at 88% 20%, rgba(30, 232, 200, .12), transparent 36%),
                radial-gradient(circle at 16% 100%, rgba(43, 108, 255, .14), transparent 40%),
                rgba(17, 27, 48, .72);
            border: 1px solid rgba(255, 255, 255, .10);
            box-shadow: var(--shadow-card);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
        }

        .cta-inner h2 {
            font-size: clamp(1.35rem, 2.2vw, 2rem);
            color: #fff;
            font-weight: 800;
            margin: 0 0 8px;
        }

        .cta-inner p {
            margin: 0;
            color: #b3c2df;
            font-size: 15px;
        }

        .site-footer {
            background: #0a0f1a;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 70px 0 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
        }

        .footer-logo-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: #91a2c2;
            font-size: 15px;
            line-height: 1.85;
            max-width: 420px;
            margin: 0;
        }

        .footer-col h5 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: .04em;
        }

        .footer-col a {
            display: block;
            color: #8d9ec0;
            padding: 7px 0;
            font-size: 15px;
            transition: color .2s, transform .2s;
        }

        .footer-col a:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            color: #6d7e9b;
            font-size: 14px;
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 768px) {
            .section-block {
                padding-top: 64px;
                padding-bottom: 64px;
            }
            .page-hero {
                padding-top: 150px;
                padding-bottom: 60px;
                min-height: auto;
            }
            .hero-panel {
                margin-top: 30px;
            }
            .cta-inner {
                padding: 28px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .step-list li {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .container-page {
                padding-left: 18px;
                padding-right: 18px;
            }
            .nav-capsule {
                margin: 0 12px;
                padding-left: 16px;
                gap: 10px;
            }
            .nav-brand {
                font-size: 16px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
            }
            .day-card {
                min-width: 0;
            }
            .faq-list {
                padding: 10px 12px;
            }
            .section-head {
                margin-bottom: 34px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category4 */
:root {
            --bg: #0b1120;
            --bg-soft: #111b30;
            --primary: #2b6cff;
            --accent: #1ee8c8;
            --accent-2: #f6a723;
            --text: #e6edf7;
            --text-muted: #a0b3d9;
            --border: rgba(255, 255, 255, 0.1);
            --radius-lg: 24px;
            --radius-md: 20px;
            --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 140px;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            overflow-x: hidden;
            font-feature-settings: "tnum";
        }

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

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

        button,
        summary {
            font-family: inherit;
        }

        h1,
        h2,
        h3 {
            line-height: 1.24;
            margin: 0 0 0.6em;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        p {
            margin: 0 0 1.1em;
        }

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

        .section {
            padding: 88px 0;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.35rem);
            color: #fff;
            margin-bottom: 0.45em;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .section-eyebrow::before {
            content: "";
            width: 28px;
            height: 1px;
            background: linear-gradient(90deg, var(--accent), transparent);
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 80;
            padding: 20px 20px 0;
        }

        .nav-capsule {
            position: relative;
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: rgba(10, 18, 32, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 10px 12px 10px 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.06);
        }

        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            white-space: nowrap;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #0b1120;
            font-size: 16px;
            box-shadow: 0 0 22px rgba(30, 232, 200, 0.45);
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 16px;
            border-radius: 999px;
            color: #cbd8ee;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s, background 0.2s, box-shadow 0.2s;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
        }

        .nav-link.active::after {
            content: "";
            width: 4px;
            height: 4px;
            margin-left: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px var(--accent);
        }

        .nav-cta {
            display: block;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
            font-size: 18px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            padding: 12px 26px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: transform 0.25s, box-shadow 0.25s, background-color 0.25s, border-color 0.25s, color 0.25s;
        }

        .btn-primary {
            color: #0b1120;
            background: linear-gradient(135deg, #1ee8c8, #2b6cff);
            box-shadow: 0 0 22px rgba(30, 232, 200, 0.3), 0 12px 36px rgba(43, 108, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(30, 232, 200, 0.48), 0 16px 44px rgba(43, 108, 255, 0.44);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            filter: brightness(0.94);
            box-shadow: 0 0 20px rgba(30, 232, 200, 0.35);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #fff;
            backdrop-filter: blur(8px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0) scale(0.98);
            background: rgba(255, 255, 255, 0.16);
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(246, 167, 35, 0.8);
            outline-offset: 4px;
            border-radius: 12px;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            min-height: 62vh;
            display: flex;
            align-items: center;
            padding: 190px 0 100px;
            background-color: var(--bg);
            background-image: radial-gradient(circle at 76% 18%, rgba(246, 167, 35, 0.14), transparent 30%), radial-gradient(circle at 20% 10%, rgba(43, 108, 255, 0.24), transparent 36%), linear-gradient(135deg, rgba(9, 14, 28, 0.93), rgba(17, 27, 48, 0.78)), url('/assets/images/backpic/back-1.png');
            background-size: auto, auto, auto, cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 70px 70px;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 82%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 82%);
        }

        .category-hero-content {
            position: relative;
            z-index: 3;
            max-width: 920px;
        }

        .crumb-path {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #9fb0d2;
            background: rgba(20, 30, 52, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 6px 18px;
            border-radius: 999px;
            backdrop-filter: blur(10px);
            margin-bottom: 30px;
        }

        .crumb-path a {
            transition: color 0.2s;
        }

        .crumb-path a:hover {
            color: #fff;
        }

        .crumb-path span {
            color: var(--accent);
        }

        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 22px;
        }

        .hero-title span {
            background: linear-gradient(120deg, #1ee8c8, #6ea8ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.85;
            color: #d4def2;
            max-width: 700px;
            margin-bottom: 34px;
        }

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

        /* ===== 玻璃卡片 Globals ===== */
        .glass {
            position: relative;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow);
        }

        .glass::before {
            content: "";
            position: absolute;
            top: 0;
            left: 18px;
            right: 18px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        }

        .guide-index-grid {
            display: grid;
            grid-template-columns: repeat(1, minmax(0, 1fr));
            gap: 22px;
        }

        @media (min-width: 1024px) {
            .guide-index-grid {
                grid-template-columns: repeat(12, minmax(0, 1fr));
            }
        }

        .guide-tile {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 18px;
            padding: 28px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.09);
            backdrop-filter: blur(14px);
            transition: transform 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s;
            overflow: hidden;
        }

        .guide-tile:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(30, 232, 200, 0.35);
            box-shadow: 0 18px 46px rgba(0, 0, 0, 0.3);
        }

        .guide-tile::after {
            content: "";
            position: absolute;
            top: 0;
            left: 15%;
            right: 15%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(30, 232, 200, 0.6), transparent);
            opacity: 0;
            transition: opacity 0.3s, left 0.3s;
        }

        .guide-tile:hover::after {
            opacity: 1;
            left: 10%;
            right: 10%;
        }

        .tile-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--accent);
            font-size: 20px;
            transition: background 0.25s, color 0.25s, box-shadow 0.25s;
        }

        .guide-tile:hover .tile-icon {
            background: linear-gradient(135deg, rgba(30, 232, 200, 0.15), rgba(43, 108, 255, 0.12));
            color: #fff;
            box-shadow: 0 0 22px rgba(30, 232, 200, 0.18);
        }

        .guide-tile h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .guide-tile p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .tile-tag {
            display: inline-block;
            align-self: flex-start;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(246, 167, 35, 0.14);
            color: var(--accent-2);
            border: 1px solid rgba(246, 167, 35, 0.18);
        }

        .tile-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #b6d1ff;
            font-weight: 600;
            font-size: 14px;
            transition: gap 0.25s, color 0.25s;
        }

        .guide-tile:hover .tile-link {
            gap: 12px;
            color: var(--accent);
        }

        /* ===== 快速上手流程 ===== */
        .quick-wrap {
            padding: 34px;
            border-radius: var(--radius-lg);
        }

        @media (min-width: 768px) {
            .quick-wrap {
                padding: 46px;
            }
        }

        .steps-panel {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: 34px;
        }

        @media (min-width: 1024px) {
            .steps-panel {
                grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.6fr);
                align-items: center;
            }
        }

        .steps-side-title {
            color: #fff;
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            margin-bottom: 16px;
        }

        .steps-side-copy {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .steps-track {
            position: relative;
            display: grid;
            grid-template-columns: repeat(1, minmax(0, 1fr));
            gap: 22px;
            padding: 18px 0 4px;
        }

        @media (min-width: 768px) {
            .steps-track {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (min-width: 1200px) {
            .steps-track {
                position: relative;
                grid-template-columns: repeat(4, minmax(0, 1fr));
                gap: 8px;
            }

            .steps-track::before {
                content: "";
                position: absolute;
                top: 42px;
                left: 9%;
                right: 9%;
                height: 2px;
                background: rgba(255, 255, 255, 0.09);
                border-radius: 999px;
            }

            .steps-track::after {
                content: "";
                position: absolute;
                top: 42px;
                left: 8%;
                width: 30%;
                height: 2px;
                background: linear-gradient(90deg, var(--accent), rgba(30, 232, 200, 0.3));
                border-radius: 999px;
                box-shadow: 0 0 14px rgba(30, 232, 200, 0.4);
            }
        }

        .process-step {
            position: relative;
            text-align: center;
            padding-top: 92px;
        }

        .process-step::before {
            content: attr(data-index);
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--accent);
            z-index: 2;
            box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.02), 0 0 24px rgba(30, 232, 200, 0.1);
        }

        .process-step strong {
            display: block;
            color: #fff;
            font-size: 17px;
            margin-bottom: 8px;
        }

        .process-step span {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.55;
        }

        /* ===== 图文错位模块 ===== */
        .feature-media {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            min-height: 320px;
            background: linear-gradient(135deg, #16233d, #0b1120);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
        }

        .feature-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease, opacity 0.3s;
        }

        .feature-media.small-shadow img {
            opacity: 0.92;
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, transparent 40%, rgba(9, 14, 28, 0.3));
            pointer-events: none;
        }

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

        .feature-list li {
            position: relative;
            padding-left: 48px;
            margin-bottom: 20px;
            color: #dbe4f2;
            line-height: 1.75;
        }

        .feature-list li::before {
            content: "\f111";
            font-family: "Font Awesome 6 Free";
            font-weight: 400;
            position: absolute;
            left: 0;
            top: 4px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(30, 232, 200, 0.12);
            border: 1px solid rgba(30, 232, 200, 0.2);
            color: var(--accent);
            font-size: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .feature-title {
            font-size: clamp(1.6rem, 2.8vw, 2.3rem);
            color: #fff;
            margin-bottom: 18px;
        }

        .feature-copy {
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 22px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 960px;
            margin-left: auto;
            margin-right: auto;
            display: grid;
            gap: 16px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            backdrop-filter: blur(12px);
            transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
            overflow: hidden;
        }

        .faq-item[open] {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(30, 232, 200, 0.22);
            box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 26px;
            cursor: pointer;
            list-style: none;
            color: #f1f5fb;
            font-weight: 700;
            font-size: 16.5px;
            line-height: 1.5;
            user-select: none;
        }

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

        .faq-item summary .faq-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s, background 0.3s, color 0.3s;
        }

        .faq-item[open] > summary .faq-icon {
            transform: rotate(180deg);
            background: rgba(30, 232, 200, 0.14);
            border-color: rgba(30, 232, 200, 0.3);
        }

        .faq-content {
            padding: 4px 28px 26px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 92%;
        }

        /* ===== 底部 CTA ===== */
        .cta-strip {
            border-radius: 30px;
            padding: 46px 48px;
            background: linear-gradient(135deg, rgba(43, 108, 255, 0.18), rgba(30, 232, 200, 0.12)), rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(14px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 24px 70px rgba(0, 0, 0, 0.22);
        }

        @media (max-width: 640px) {
            .cta-strip {
                padding: 34px 24px;
            }
        }

        .cta-strip-title {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-strip-copy {
            color: #cdd9ef;
            margin-bottom: 0;
            max-width: 620px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #08101f;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 72px 0 28px;
            margin-top: 110px;
        }

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

        @media (min-width: 768px) {
            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.8;
            margin-top: 20px;
            max-width: 360px;
        }

        .footer-logo-title {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 14.5px;
            padding: 6px 0;
            transition: color 0.2s, padding-left 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 26px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .nav-links {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                background: rgba(10, 18, 32, 0.96);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 28px;
                padding: 14px;
                backdrop-filter: blur(22px);
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                justify-content: flex-start;
                width: 100%;
                padding: 0 18px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-cta {
                display: none;
            }

            .nav-capsule {
                border-radius: 999px;
                padding-left: 20px;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                padding: 12px 12px 0;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .nav-brand {
                font-size: 16px;
                gap: 8px;
            }

            .nav-link {
                min-height: 48px;
            }

            .section {
                padding: 60px 0;
            }

            .category-hero {
                min-height: auto;
                padding: 160px 0 64px;
            }

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

            .container-page {
                padding-left: 18px;
                padding-right: 18px;
            }

            .quick-wrap {
                padding: 26px 20px;
            }

            .steps-track {
                padding-top: 6px;
            }

            .process-step {
                padding-top: 0;
                padding-bottom: 20px;
                display: flex;
                gap: 18px;
                align-items: center;
                text-align: left;
                border-bottom: 1px dashed rgba(255, 255, 255, 0.09);
            }

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

            .process-step::before {
                position: static;
                transform: none;
                flex-shrink: 0;
                width: 58px;
                height: 58px;
                font-size: 18px;
                box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.02), 0 0 18px rgba(30, 232, 200, 0.1);
            }

            .process-step strong {
                font-size: 15px;
            }

            .process-step span {
                font-size: 13px;
            }
        }