/* roulang page: index */
:root {
            --primary: #7dd3fc;
            --primary-dark: #38bdf8;
            --primary-deep: #0ea5e9;
            --primary-glow: rgba(56, 189, 248, 0.35);
            --accent: #fbbf24;
            --accent-dark: #f59e0b;
            --bg: #0b1220;
            --bg-soft: #101a2e;
            --bg-card: #172136;
            --bg-card-hover: #1c2a45;
            --text: #e2e8f0;
            --text-weak: #8fa5c0;
            --border: rgba(148, 163, 184, 0.14);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --transition: 0.3s ease;
            --container: 1200px;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-deep));
            color: #fff;
            box-shadow: 0 4px 20px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px var(--primary-glow);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(56, 189, 248, 0.08);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }

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

        .logo::before {
            content: '';
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 14px var(--primary-glow);
            flex-shrink: 0;
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 5px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 999px;
            border: 1px solid var(--border);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #0b1220;
            background: var(--primary);
            font-weight: 700;
            box-shadow: 0 2px 12px var(--primary-glow);
        }

        .header-cta {
            padding: 10px 24px;
            font-size: 14px;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 100px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 18, 32, 0.95) 0%, rgba(11, 18, 32, 0.72) 55%, rgba(11, 18, 32, 0.25) 100%);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg));
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.35);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(38px, 6vw, 58px);
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }

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

        /* ===== Section ===== */
        .section {
            padding: 90px 0;
        }

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

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== Features ===== */
        .features {
            padding: 90px 0 70px;
            background: var(--bg);
        }

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

        .feature-card {
            padding: 36px 30px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow);
            border-color: rgba(56, 189, 248, 0.25);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(251, 191, 36, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 22px;
        }

        .feature-title {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .feature-text {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ===== Category ===== */
        .category-section {
            padding: 70px 0;
            background: var(--bg-soft);
        }

        .category-card {
            display: flex;
            align-items: center;
            gap: 60px;
            background: linear-gradient(135deg, var(--bg-card), rgba(56, 189, 248, 0.06));
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 48px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.08);
            filter: blur(40px);
        }

        .category-info {
            flex: 1;
        }

        .category-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .category-desc {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .category-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-weak);
        }

        .category-chip i {
            color: var(--primary);
            font-size: 12px;
        }

        .category-media {
            flex-shrink: 0;
            width: 440px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-lg);
        }

        .category-media img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .category-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 18, 32, 0.5));
        }

        /* ===== News ===== */
        .news-section {
            padding: 90px 0;
            background: var(--bg);
        }

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

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow);
            border-color: rgba(56, 189, 248, 0.25);
        }

        .news-card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .news-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-weak);
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 10px;
        }

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

        .news-summary {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-more:hover {
            color: var(--accent);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-weak);
            font-size: 15px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            grid-column: 1 / -1;
        }

        /* ===== Stats ===== */
        .stats {
            padding: 75px 0;
            background: var(--bg-soft);
            position: relative;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-size: 38px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }

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

        /* ===== Showcase ===== */
        .showcase {
            padding: 90px 0;
            background: var(--bg);
        }

        .showcase-item {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 60px;
        }

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

        .showcase-item.reverse {
            flex-direction: row-reverse;
        }

        .showcase-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .showcase-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .showcase-content {
            flex: 1;
            max-width: 480px;
        }

        .showcase-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(251, 191, 36, 0.12);
            border: 1px solid rgba(251, 191, 36, 0.3);
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .showcase-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .showcase-text {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ===== Process ===== */
        .process {
            padding: 90px 0;
            background: var(--bg-soft);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding: 38px 30px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }

        .process-step:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(56, 189, 248, 0.3);
        }

        .process-number {
            font-size: 52px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 20px;
            opacity: 0.85;
        }

        .process-title {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .process-text {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq {
            padding: 90px 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.25);
        }

        .faq-item.open {
            border-color: rgba(56, 189, 248, 0.35);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            transition: color var(--transition);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

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

        .faq-answer p {
            padding: 0 26px 22px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta {
            position: relative;
            padding: 90px 0;
            background-size: cover;
            background-position: center;
        }

        .cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 18, 32, 0.92), rgba(11, 18, 32, 0.6));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-weak);
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #090e18;
            border-top: 1px solid var(--border);
            padding: 60px 0 20px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-logo::before {
            content: '';
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary-glow);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            gap: 60px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .footer-col a {
            font-size: 13px;
            color: var(--text-weak);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-weak);
        }

        .footer-bottom a {
            color: var(--text-weak);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-card {
                flex-direction: column;
                gap: 32px;
                padding: 36px;
            }

            .category-media {
                width: 100%;
            }

            .category-media img {
                height: 260px;
            }

            .showcase-item,
            .showcase-item.reverse {
                flex-direction: column;
                gap: 32px;
            }

            .showcase-media {
                width: 100%;
            }

            .showcase-content {
                max-width: 100%;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: rgba(11, 18, 32, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                gap: 8px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-150%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.35s ease;
                z-index: 199;
                align-items: stretch;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                padding: 12px 20px;
                border-radius: var(--radius-sm);
                justify-content: center;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                min-height: 520px;
                padding: 70px 0;
            }

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

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

            .section {
                padding: 60px 0;
            }

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

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

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

            .footer-top {
                flex-direction: column;
                gap: 30px;
            }

            .footer-links {
                flex-wrap: wrap;
                gap: 40px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }

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

            .logo {
                font-size: 18px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .category-card {
                padding: 24px 20px;
            }

            .category-media img {
                height: 200px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-number {
                font-size: 28px;
            }

            .showcase-media img {
                height: 220px;
            }

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

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  /* 主色 / 辅色 */
  --primary: #0b4f8a;
  --primary-dark: #07355e;
  --primary-light: #2a7bc4;
  --accent: #f6b73c;
  --accent-dark: #d99b1f;
  --accent-light: #ffe9b8;

  /* 背景与文字 */
  --bg: #f4f7fc;
  --bg-alt: #10273d;
  --bg-soft: #e9f0fa;
  --text: #1e2a36;
  --title: #0f2b45;
  --text-weak: #5a6a78;
  --border: #dde5ef;
  --white: #ffffff;

  /* 圆角与阴影 */
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow: 0 10px 30px rgba(12, 60, 110, 0.08);
  --shadow-hover: 0 18px 42px rgba(12, 60, 110, 0.16);
  --shadow-gold: 0 10px 30px rgba(246, 183, 60, 0.25);

  /* 间距 */
  --space: 80px;
  --space-lg: 110px;
  --space-sm: 40px;
}

/* ===== 基础 Reset / Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}
ul {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input {
  font-family: inherit;
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 14px 28px;
  border-radius: 999px;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(11, 79, 138, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(11, 79, 138, 0.4);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}
.btn-gold {
  background: linear-gradient(135deg, var(--accent) 0%, #ffd060 100%);
  color: #0f2b45;
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(246, 183, 60, 0.4);
  color: #0f2b45;
}
.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(246, 183, 60, 0.7);
  outline-offset: 2px;
}

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 12px rgba(15, 43, 69, 0.08);
  border-bottom: 1px solid rgba(221, 229, 239, 0.6);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--primary);
  display: flex;
  align-items: baseline;
  line-height: 1.2;
  white-space: nowrap;
}
.logo span {
  color: var(--accent-dark);
  font-weight: 800;
}
.main-nav {
  display: flex;
  gap: 6px;
  margin-left: 28px;
  flex-wrap: nowrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-weak);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover {
  background: rgba(11, 79, 138, 0.07);
  color: var(--primary);
}
.nav-link.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 8px 22px rgba(11, 79, 138, 0.28);
}
.header-cta {
  margin-left: auto;
  padding: 12px 24px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--primary);
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(11, 79, 138, 0.06);
}

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 90px 0;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 53, 94, 0.92) 0%, rgba(11, 79, 138, 0.82) 55%, rgba(15, 39, 61, 0.72) 100%);
  z-index: 1;
}
.page-banner::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(246, 183, 60, 0.28) 0%, transparent 70%);
  z-index: 2;
  border-radius: 50%;
}
.banner-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  color: #fff;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 22px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb i {
  font-size: 12px;
}
.banner-content h1 {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.banner-content h1 span {
  color: var(--accent);
}
.banner-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}
.banner-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space) 0;
}
.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(11, 79, 138, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.section-tag i {
  font-size: 12px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 900;
  color: var(--title);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ===== 核心特点 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  margin-bottom: 20px;
  box-shadow: 0 10px 22px rgba(11, 79, 138, 0.22);
}
.feature-icon.gold {
  background: linear-gradient(135deg, var(--accent) 0%, #ffd060 100%);
  color: #0f2b45;
  box-shadow: var(--shadow-gold);
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--title);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-weak);
}

/* ===== 规则图文 ===== */
.section-rules {
  background: var(--bg-soft);
}
.rule-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.rule-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.rule-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
  transition: transform 0.5s ease;
}
.rule-media:hover img {
  transform: scale(1.04);
}
.rule-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 53, 94, 0.35) 100%);
}
.rule-content {
  padding: 10px 0;
}
.rule-content h2 {
  font-size: 30px;
  font-weight: 900;
  color: var(--title);
  line-height: 1.3;
  margin-bottom: 14px;
}
.rule-content > p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 24px;
}
.rule-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
  align-items: flex-start;
}
.rule-list li:last-child {
  border-bottom: none;
}
.rule-list i {
  color: var(--accent-dark);
  font-size: 18px;
  margin-top: 4px;
  flex-shrink: 0;
}
.rule-list strong {
  display: block;
  font-size: 16px;
  color: var(--title);
  margin-bottom: 4px;
}
.rule-list span {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 玩法模式 ===== */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.mode-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  position: relative;
}
.mode-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.mode-media {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.mode-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.mode-card:hover .mode-media img {
  transform: scale(1.05);
}
.mode-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 53, 94, 0.55) 100%);
}
.mode-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(15, 39, 61, 0.82);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.mode-badge.hot {
  background: linear-gradient(135deg, var(--accent), #ffd060);
  color: #0f2b45;
  border-color: transparent;
}
.mode-badge.adv {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
}
.mode-info {
  padding: 26px;
}
.mode-info h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--title);
  margin-bottom: 10px;
}
.mode-info p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ===== 技巧步骤 ===== */
.section-tips {
  background: var(--bg-alt);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}
.section-tips::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 39, 61, 0.95) 0%, rgba(11, 79, 138, 0.88) 100%);
}
.section-tips .container {
  position: relative;
  z-index: 2;
}
.section-tips .section-head h2 {
  color: #fff;
}
.section-tips .section-head p {
  color: rgba(255, 255, 255, 0.75);
}
.section-tips .section-tag {
  background: rgba(246, 183, 60, 0.18);
  color: var(--accent);
}
.tips-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.tip-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 32px 26px;
  backdrop-filter: blur(8px);
  transition: all 0.35s ease;
  position: relative;
}
.tip-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-6px);
  border-color: rgba(246, 183, 60, 0.45);
}
.tip-num {
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  margin-bottom: 18px;
}
.tip-item h3 {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.tip-item p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(15, 43, 69, 0.05);
  transition: box-shadow 0.3s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow);
}
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--title);
  list-style: none;
  position: relative;
  transition: color 0.25s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  margin-left: auto;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  content: "\f068";
  transform: rotate(180deg);
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item .faq-answer {
  padding: 0 26px 24px 26px;
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.85;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin-top: 4px;
}

/* ===== CTA ===== */
.section-cta {
  padding-top: 10px;
}
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 54px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(11, 79, 138, 0.3);
}
.cta-box::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(246, 183, 60, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 8px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-alt);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space);
  padding: 64px 0 0;
}
.site-footer .container {
  position: relative;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  max-width: 360px;
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.25s ease;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --space: 64px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tips-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .rule-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .rule-media img {
    min-height: 300px;
  }
  .header-cta {
    display: none;
  }
  .banner-content h1 {
    font-size: 38px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    z-index: 99;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(20px);
    margin-left: 0;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .nav-link {
    font-size: 18px;
    padding: 14px 32px;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    position: relative;
    z-index: 100;
  }
  .header-cta {
    display: none;
  }
  .banner-content h1 {
    font-size: 34px;
  }
  .banner-content p {
    font-size: 16px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .cta-box {
    flex-direction: column;
    text-align: center;
    padding: 40px 28px;
  }
  .cta-btns {
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  :root {
    --space: 48px;
  }
  .feature-grid,
  .modes-grid,
  .tips-list {
    grid-template-columns: 1fr;
  }
  .banner-content h1 {
    font-size: 28px;
  }
  .banner-content p {
    font-size: 15px;
  }
  .banner-btns {
    flex-direction: column;
  }
  .banner-btns .btn {
    width: 100%;
  }
  .section-head h2 {
    font-size: 25px;
  }
  .rule-media img {
    min-height: 220px;
  }
  .mode-media {
    height: 180px;
  }
  .tip-item {
    padding: 26px 22px;
  }
  .cta-box {
    padding: 32px 20px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
:root {
        --primary: #0b1c33;
        --primary-dark: #060f1c;
        --primary-light: #1d3a5f;
        --accent: #f0a500;
        --accent-dark: #cf8c00;
        --accent-soft: #fff3d6;
        --ice: #38bdf8;
        --ice-soft: #e6f6ff;
        --bg: #f4f7fb;
        --bg-alt: #ffffff;
        --text: #1e293b;
        --text-light: #5c6b7f;
        --text-lighter: #94a3b8;
        --border: #e5eaf1;
        --border-dark: #cbd5e1;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-lg: 24px;
        --shadow-sm: 0 4px 16px rgba(2, 12, 27, .06);
        --shadow: 0 12px 32px rgba(2, 12, 27, .1);
        --shadow-lg: 0 24px 56px rgba(2, 12, 27, .16);
        --transition: all .3s cubic-bezier(.25, .46, .45, .94);
        --container: 1200px;
        --header-h: 76px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

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

    button {
        font-family: inherit;
        border: none;
        background: none;
        cursor: pointer;
        transition: var(--transition);
    }

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

    ul, ol {
        list-style: none;
    }

    h1, h2, h3, h4, h5, h6 {
        line-height: 1.3;
        font-weight: 700;
        color: var(--primary);
    }

    a:focus-visible, button:focus-visible {
        outline: 3px solid rgba(240, 165, 0, .45);
        outline-offset: 2px;
        border-radius: 6px;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.4;
        border: 2px solid transparent;
        transition: var(--transition);
        white-space: nowrap;
    }

    .btn i {
        font-size: 14px;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--accent) 0%, #ffc84a 100%);
        color: #0b1c33;
        box-shadow: 0 6px 20px rgba(240, 165, 0, .3);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(240, 165, 0, .42);
        color: #0b1c33;
    }

    .btn-dark {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 18px rgba(11, 28, 51, .22);
    }

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

    .btn-outline {
        border-color: rgba(255, 255, 255, .45);
        color: #fff;
        background: transparent;
    }

    .btn-outline:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: rgba(240, 165, 0, .08);
    }

    .btn-sm {
        padding: 9px 18px;
        font-size: 14px;
    }

    .badge-category {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 16px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--ice) 0%, #3b82f6 100%);
        color: #fff;
        font-size: 13px;
        font-weight: 600;
        box-shadow: 0 4px 14px rgba(56, 189, 248, .32);
    }

    .section-kicker {
        display: block;
        font-size: 13px;
        color: var(--accent-dark);
        font-weight: 700;
        letter-spacing: 3px;
        text-transform: uppercase;
        margin-bottom: 6px;
    }

    .section-title {
        font-size: 32px;
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: .5px;
    }

    .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 34px;
    }

    /* ===== Header ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(8, 18, 34, .92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        height: var(--header-h);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        height: var(--header-h);
    }

    .logo {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        letter-spacing: .5px;
        display: flex;
        align-items: center;
        gap: 1px;
        line-height: 1.2;
        white-space: nowrap;
    }

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

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

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 10px 20px;
        border-radius: 999px;
        color: rgba(255, 255, 255, .72);
        font-size: 15px;
        font-weight: 500;
        transition: var(--transition);
    }

    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, .08);
    }

    .nav-link.active {
        color: #0b1c33;
        background: linear-gradient(135deg, var(--accent), #ffc84a);
        box-shadow: 0 4px 16px rgba(240, 165, 0, .35);
    }

    .header-cta {
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        color: #fff;
        font-size: 18px;
        background: rgba(255, 255, 255, .1);
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(255, 255, 255, .08);
    }

    .nav-toggle.active {
        background: rgba(240, 165, 0, .18);
        color: var(--accent);
    }

    /* ===== Article Hero ===== */
    .article-hero {
        position: relative;
        background: linear-gradient(135deg, #071526 0%, #0b1c33 50%, #17406e 100%);
        background-size: cover;
        background-position: center;
        color: #fff;
        padding: 64px 0 76px;
        overflow: hidden;
    }

    .article-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(6, 15, 28, .68) 0%, rgba(6, 15, 28, .46) 100%);
        z-index: 1;
    }

    .article-hero::after {
        content: '';
        position: absolute;
        width: 340px;
        height: 340px;
        border: 54px solid rgba(56, 189, 248, .07);
        border-radius: 50%;
        right: -70px;
        bottom: -110px;
        z-index: 1;
    }

    .article-hero-content {
        position: relative;
        z-index: 2;
        max-width: 880px;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, .58);
        margin-bottom: 22px;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, .72);
    }

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

    .breadcrumb .sep {
        color: rgba(255, 255, 255, .35);
    }

    .badge-wrap {
        margin-bottom: 18px;
    }

    .article-hero h1 {
        font-size: 40px;
        line-height: 1.3;
        color: #fff;
        margin-bottom: 16px;
        max-width: 880px;
        font-weight: 800;
        letter-spacing: .5px;
    }

    .article-hero-desc {
        font-size: 16px;
        color: rgba(255, 255, 255, .72);
        max-width: 720px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        color: rgba(255, 255, 255, .6);
        font-size: 14px;
    }

    .article-meta .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

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

    /* ===== Article Main ===== */
    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 340px;
        gap: 32px;
        padding: 48px 0 64px;
        align-items: start;
    }

    .article-card {
        background: var(--bg-alt);
        border-radius: var(--radius-lg);
        padding: 44px 44px 36px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        overflow: hidden;
    }

    .article-body {
        font-size: 16px;
        line-height: 1.9;
        color: #334155;
        word-break: break-word;
    }

    .article-body p {
        margin-bottom: 1.4em;
    }

    .article-body h2 {
        font-size: 26px;
        margin: 1.6em 0 .8em;
        padding-left: 14px;
        border-left: 4px solid var(--accent);
        line-height: 1.4;
    }

    .article-body h3 {
        font-size: 21px;
        margin: 1.4em 0 .6em;
    }

    .article-body h4 {
        font-size: 18px;
        margin: 1.2em 0 .5em;
    }

    .article-body ul,
    .article-body ol {
        margin: 1em 0;
        padding-left: 1.5em;
    }

    .article-body ul li {
        list-style: disc;
        margin-bottom: .5em;
    }

    .article-body ol li {
        list-style: decimal;
        margin-bottom: .5em;
    }

    .article-body blockquote {
        border-left: 4px solid var(--ice);
        background: var(--ice-soft);
        padding: 18px 24px;
        border-radius: 0 12px 12px 0;
        margin: 1.4em 0;
        color: var(--text-light);
    }

    .article-body img {
        border-radius: var(--radius);
        margin: 1.6em 0;
        box-shadow: var(--shadow-sm);
        max-width: 100%;
        height: auto;
    }

    .article-body a {
        color: var(--accent-dark);
        border-bottom: 1px solid rgba(207, 140, 0, .35);
    }

    .article-body a:hover {
        color: var(--accent);
        border-bottom-color: var(--accent);
    }

    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.4em 0;
        border-radius: 12px;
        overflow: hidden;
        font-size: 14px;
    }

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

    .article-body th {
        background: #f1f5f9;
        font-weight: 700;
        color: var(--primary);
    }

    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 34px;
        padding-top: 20px;
        border-top: 1px solid var(--border);
    }

    .tag {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 5px 14px;
        border-radius: 8px;
        background: #f1f5f9;
        color: var(--text-light);
        font-size: 13px;
        font-weight: 500;
    }

    .tag i {
        color: var(--accent);
        font-size: 12px;
    }

    .article-share {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: 18px;
        padding-top: 18px;
        border-top: 1px dashed var(--border);
    }

    .article-share span {
        font-size: 13px;
        color: var(--text-lighter);
        margin-right: 4px;
    }

    .share-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: #f1f5f9;
        color: var(--text-light);
        font-size: 14px;
    }

    .share-btn:hover {
        background: var(--accent);
        color: #fff;
        transform: translateY(-2px);
    }

    .article-not-found {
        text-align: center;
        padding: 70px 20px;
    }

    .not-found-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 78px;
        height: 78px;
        border-radius: 24px;
        background: linear-gradient(135deg, var(--accent-soft), var(--ice-soft));
        color: var(--accent);
        font-size: 32px;
        margin-bottom: 22px;
    }

    .article-not-found h2 {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .article-not-found p {
        color: var(--text-light);
        margin-bottom: 26px;
        font-size: 15px;
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        position: sticky;
        top: calc(var(--header-h) + 24px);
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .sidebar-card {
        background: #fff;
        border-radius: var(--radius);
        padding: 26px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
    }

    .sidebar-card-title {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
    }

    .sidebar-card-title i {
        color: var(--accent);
    }

    .sidebar-card-title::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--border);
    }

    .sidebar-list {
        display: flex;
        flex-direction: column;
    }

    .sidebar-list-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px dashed var(--border);
    }

    .sidebar-list-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .sidebar-list-item:first-child {
        padding-top: 0;
    }

    .item-dot {
        width: 6px;
        height: 6px;
        background: var(--accent);
        border-radius: 50%;
        margin-top: 9px;
        flex-shrink: 0;
    }

    .sidebar-list-item a {
        display: block;
        font-size: 14px;
        color: var(--text);
        line-height: 1.55;
        font-weight: 500;
    }

    .sidebar-list-item a:hover {
        color: var(--accent-dark);
    }

    .sidebar-list-item .item-date {
        font-size: 12px;
        color: var(--text-lighter);
        margin-top: 4px;
    }

    .sidebar-empty {
        font-size: 14px;
        color: var(--text-lighter);
        line-height: 1.7;
        padding: 10px 0;
    }

    .sidebar-guide-card {
        position: relative;
        background: linear-gradient(145deg, #0b1c33 0%, #1d3a5f 100%);
        color: #fff;
        overflow: hidden;
        border: none;
        box-shadow: 0 14px 34px rgba(11, 28, 51, .25);
    }

    .sidebar-guide-card::before {
        content: '';
        position: absolute;
        width: 170px;
        height: 170px;
        background: rgba(240, 165, 0, .16);
        border-radius: 50%;
        top: -56px;
        right: -44px;
    }

    .sidebar-guide-card::after {
        content: '';
        position: absolute;
        width: 90px;
        height: 90px;
        border: 18px solid rgba(56, 189, 248, .1);
        border-radius: 50%;
        bottom: -34px;
        left: -22px;
    }

    .guide-body {
        position: relative;
        z-index: 2;
    }

    .guide-mini-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(240, 165, 0, .2);
        color: #ffcf5e;
        font-size: 12px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 999px;
        margin-bottom: 14px;
    }

    .guide-body .guide-title {
        font-size: 19px;
        color: #fff;
        margin-bottom: 8px;
        font-weight: 700;
    }

    .guide-body .guide-text {
        font-size: 13px;
        color: rgba(255, 255, 255, .68);
        line-height: 1.7;
        margin-bottom: 20px;
    }

    /* ===== Related ===== */
    .related-section {
        padding: 64px 0 72px;
        background: var(--bg-alt);
        border-top: 1px solid var(--border);
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
        gap: 24px;
    }

    .news-card {
        background: #fff;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .news-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(240, 165, 0, .3);
    }

    .news-thumb {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: #e8eef5;
    }

    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .55s cubic-bezier(.22, .61, .36, 1);
    }

    .news-card:hover .news-thumb img {
        transform: scale(1.06);
    }

    .news-thumb .thumb-tag {
        position: absolute;
        left: 12px;
        top: 12px;
        background: rgba(8, 18, 34, .78);
        color: #fff;
        padding: 4px 13px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        backdrop-filter: blur(6px);
    }

    .news-content {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-content h3 {
        font-size: 17px;
        line-height: 1.5;
        margin-bottom: 10px;
        font-weight: 700;
    }

    .news-content h3 a:hover {
        color: var(--accent-dark);
    }

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

    .news-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        color: var(--text-lighter);
        font-size: 13px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        margin-top: auto;
    }

    .news-meta i {
        color: var(--accent);
        font-size: 12px;
        margin-right: 4px;
    }

    .empty-box {
        background: #fafcff;
        border: 1px dashed var(--border-dark);
        border-radius: var(--radius);
        padding: 40px;
        text-align: center;
        color: var(--text-lighter);
        font-size: 15px;
    }

    /* ===== Guide Section ===== */
    .guide-section {
        padding: 72px 0;
        background: var(--bg);
    }

    .guide-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
    }

    .guide-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        background: #fff;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .guide-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(56, 189, 248, .35);
    }

    .guide-card-img {
        position: relative;
        height: 172px;
        overflow: hidden;
        background: #1a2a3f;
    }

    .guide-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .55s cubic-bezier(.22, .61, .36, 1);
    }

    .guide-card:hover .guide-card-img img {
        transform: scale(1.06);
    }

    .guide-card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 45%, rgba(8, 18, 34, .48));
    }

    .guide-card-num {
        position: absolute;
        right: 14px;
        bottom: 10px;
        z-index: 2;
        font-size: 42px;
        font-weight: 900;
        color: rgba(255, 255, 255, .85);
        text-shadow: 0 4px 16px rgba(0, 0, 0, .3);
    }

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

    .guide-card-body h3 {
        font-size: 18px;
        margin-bottom: 8px;
        color: var(--primary);
    }

    .guide-card-body p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.75;
        margin-bottom: 14px;
        flex: 1;
    }

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

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

    /* ===== FAQ ===== */
    .faq-section {
        padding: 72px 0;
        background: var(--bg-alt);
        border-top: 1px solid var(--border);
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

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

    .faq-item:hover {
        border-color: rgba(240, 165, 0, .3);
        box-shadow: var(--shadow-sm);
    }

    .faq-item.open {
        border-color: rgba(240, 165, 0, .45);
        box-shadow: var(--shadow-sm);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 18px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        background: none;
    }

    .faq-question .q-icon {
        width: 28px;
        height: 28px;
        border-radius: 8px;
        background: var(--accent-soft);
        color: var(--accent-dark);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        flex-shrink: 0;
    }

    .faq-question .arrow {
        color: var(--text-lighter);
        font-size: 14px;
        transition: transform .35s ease;
        flex-shrink: 0;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .45s ease;
    }

    .faq-item.open .faq-answer {
        max-height: 320px;
    }

    .faq-answer-inner {
        padding: 0 24px 20px 62px;
        color: var(--text-light);
        font-size: 15px;
        line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        padding: 72px 0;
        background: linear-gradient(135deg, rgba(6, 15, 28, .88), rgba(29, 58, 95, .82)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
        color: #fff;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        width: 280px;
        height: 280px;
        border: 44px solid rgba(240, 165, 0, .1);
        border-radius: 50%;
        left: -90px;
        top: -100px;
    }

    .cta-inner {
        position: relative;
        z-index: 2;
        max-width: 680px;
    }

    .cta-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        color: #ffcf5e;
        margin-bottom: 12px;
        text-transform: uppercase;
    }

    .cta-title {
        font-size: 30px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
        line-height: 1.35;
    }

    .cta-text {
        color: rgba(255, 255, 255, .74);
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 560px;
    }

    .cta-btns {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #050d19;
        color: #fff;
        padding: 60px 0 28px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
        letter-spacing: .5px;
    }

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

    .footer-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, .52);
        line-height: 1.85;
        max-width: 320px;
    }

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

    .footer-col {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-col-title {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 8px;
        color: #fff;
    }

    .footer-col a {
        font-size: 14px;
        color: rgba(255, 255, 255, .55);
        width: fit-content;
    }

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

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 24px;
        font-size: 13px;
        color: rgba(255, 255, 255, .36);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, .46);
    }

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

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root {
            --header-h: 70px;
        }

        .article-layout {
            grid-template-columns: 1fr;
            padding: 36px 0 52px;
        }

        .article-sidebar {
            position: static;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

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

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

        .article-hero h1 {
            font-size: 34px;
        }
    }

    @media (max-width: 768px) {
        .header-cta {
            display: none;
        }

        .nav-toggle {
            display: flex;
        }

        .main-nav {
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(8, 18, 34, .98);
            flex-direction: column;
            align-items: stretch;
            padding: 16px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transform: translateY(-120%);
            transition: transform .4s cubic-bezier(.25, .46, .45, .94);
            gap: 6px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
        }

        .main-nav.open {
            transform: translateY(0);
        }

        .nav-link {
            width: 100%;
            padding: 12px 18px;
            border-radius: 10px;
            font-size: 15px;
        }

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

        .article-hero {
            padding: 44px 0 54px;
        }

        .article-hero h1 {
            font-size: 26px;
        }

        .article-hero-desc {
            font-size: 14px;
        }

        .article-card {
            padding: 26px 20px;
        }

        .article-layout {
            padding: 24px 0 44px;
        }

        .article-sidebar {
            grid-template-columns: 1fr;
        }

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

        .footer-top {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .footer-links {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .cta-title {
            font-size: 24px;
        }

        .cta-btns .btn {
            width: 100%;
        }

        .faq-question {
            padding: 16px 18px;
            font-size: 15px;
        }

        .faq-answer-inner {
            padding: 0 18px 18px 46px;
            font-size: 14px;
        }

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

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

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

    @media (max-width: 520px) {
        .container {
            padding: 0 14px;
        }

        .logo {
            font-size: 19px;
        }

        .header-inner {
            gap: 10px;
        }

        .nav-toggle {
            width: 38px;
            height: 38px;
        }

        .article-hero h1 {
            font-size: 22px;
        }

        .article-meta {
            gap: 10px;
            font-size: 13px;
        }

        .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .guide-card-body h3 {
            font-size: 17px;
        }

        .news-content h3 {
            font-size: 16px;
        }

        .cta-title {
            font-size: 21px;
        }

        .footer-links {
            grid-template-columns: 1fr;
            gap: 22px;
        }
    }