/* roulang page: index */
:root {
            --c-primary: #0f6c5c;
            --c-primary-dark: #0a4f42;
            --c-primary-light: #1a8f7a;
            --c-accent: #f5a623;
            --c-accent-light: #ffc966;
            --c-bg: #f7faf9;
            --c-bg-soft: #eef4f2;
            --c-bg-card: #ffffff;
            --c-text: #1a2d29;
            --c-text-light: #5c736d;
            --c-border: #dce8e4;
            --c-white: #ffffff;
            --c-dark: #0d1f1b;

            --r-sm: 10px;
            --r-md: 16px;
            --r-lg: 24px;
            --r-pill: 999px;

            --sh-sm: 0 2px 8px rgba(15, 108, 92, 0.08);
            --sh-md: 0 6px 24px rgba(15, 108, 92, 0.12);
            --sh-lg: 0 12px 40px rgba(15, 108, 92, 0.18);
            --sh-accent: 0 6px 20px rgba(245, 166, 35, 0.25);

            --sp-xs: 8px;
            --sp-sm: 16px;
            --sp-md: 24px;
            --sp-lg: 40px;
            --sp-xl: 64px;
            --sp-xxl: 96px;

            --radius-panel: 20px;
            --transition-md: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--sp-md);
        }

        /* ============ Top Live Bar ============ */
        .live-bar {
            background: linear-gradient(135deg, #0a4f42 0%, #0f6c5c 60%, #1a8f7a 100%);
            color: var(--c-white);
            padding: 10px 0;
            font-size: 14px;
            position: relative;
            z-index: 100;
        }

        .live-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--sp-sm);
            flex-wrap: wrap;
        }

        .live-state {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .live-state .dot {
            width: 8px;
            height: 8px;
            background: #fff;
            border-radius: 50%;
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(0.8); }
        }

        .live-msg {
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .live-time {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            padding: 2px 14px;
            border-radius: var(--r-pill);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            background: var(--c-white);
            box-shadow: var(--sh-md);
            position: sticky;
            top: 0;
            z-index: 90;
            border-bottom: 1px solid var(--c-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--sp-md);
            padding: 18px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-white);
            font-size: 20px;
            box-shadow: var(--sh-md);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

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

        .nav-panel {
            background: var(--c-bg-soft);
            border: 1px solid var(--c-border);
            border-radius: var(--r-pill);
            padding: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: block;
            padding: 9px 20px;
            border-radius: var(--r-pill);
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text-light);
            transition: var(--transition-md);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--c-primary);
            background: rgba(15, 108, 92, 0.08);
        }

        .nav-links a.active {
            color: var(--c-white);
            background: var(--c-primary);
            box-shadow: var(--sh-sm);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-header {
            background: var(--c-primary);
            color: var(--c-white);
            padding: 10px 20px;
            border-radius: var(--r-pill);
            font-size: 14px;
            font-weight: 700;
            box-shadow: var(--sh-sm);
            transition: var(--transition-md);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-header:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--sh-md);
            color: var(--c-white);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--c-bg-soft);
            border: 1px solid var(--c-border);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--c-primary);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0d1f1b 0%, #0a4f42 50%, #0f6c5c 100%);
            color: var(--c-white);
            padding: var(--sp-xxl) 0;
            overflow: hidden;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.3;
            z-index: -1;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: -1;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--sp-xl);
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--r-pill);
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-white);
            margin-bottom: var(--sp-md);
        }

        .hero-badge i {
            color: var(--c-accent-light);
        }

        .hero h1 {
            font-size: clamp(32px, 4vw, 52px);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--sp-md);
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--c-accent-light), var(--c-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.9;
            margin-bottom: var(--sp-lg);
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: var(--sp-sm);
            flex-wrap: wrap;
            margin-bottom: var(--sp-lg);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--r-pill);
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition-md);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--c-accent);
            color: var(--c-dark);
            box-shadow: var(--sh-accent);
        }

        .btn-primary:hover {
            background: var(--c-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(245, 166, 35, 0.35);
            color: var(--c-dark);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            color: var(--c-white);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            color: var(--c-white);
        }

        .hero-points {
            display: flex;
            gap: var(--sp-md);
            flex-wrap: wrap;
        }

        .hero-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .hero-point i {
            color: var(--c-accent-light);
        }

        .hero-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--r-lg);
            padding: var(--sp-lg);
            box-shadow: var(--sh-lg);
            position: relative;
        }

        .hero-card-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--sp-md);
            padding-bottom: var(--sp-sm);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .status-label {
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            background: #22c55e;
            border-radius: 50%;
            box-shadow: 0 0 12px #22c55e;
        }

        .status-badge {
            background: rgba(34, 197, 94, 0.2);
            color: #4ade80;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--r-pill);
        }

        .hero-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: var(--sp-xs);
        }

        .hero-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--sp-md);
        }

        .hero-card-list {
            margin: 0 0 var(--sp-md);
        }

        .hero-card-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-card-list li i {
            color: var(--c-accent-light);
            width: 16px;
            flex-shrink: 0;
        }

        .countdown-wrap {
            background: rgba(0, 0, 0, 0.2);
            border-radius: var(--r-sm);
            padding: var(--sp-sm);
            text-align: center;
            margin-top: var(--sp-sm);
        }

        .countdown-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }

        .countdown-grid {
            display: flex;
            justify-content: center;
            gap: 12px;
        }

        .countdown-item {
            text-align: center;
        }

        .countdown-item .num {
            font-size: 28px;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 4px 12px;
            min-width: 52px;
            display: inline-block;
        }

        .countdown-item .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ============ Section styles ============ */
        .section {
            padding: var(--sp-xxl) 0;
        }

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

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--sp-xl);
        }

        .section-header .tag {
            display: inline-block;
            background: rgba(15, 108, 92, 0.1);
            color: var(--c-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: var(--r-pill);
            margin-bottom: var(--sp-sm);
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: var(--sp-sm);
            line-height: 1.3;
        }

        .section-header h2 .highlight {
            color: var(--c-primary);
        }

        .section-header p {
            font-size: 16px;
            color: var(--c-text-light);
            line-height: 1.8;
        }

        /* ============ Feature Cards ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--sp-md);
        }

        .feature-card {
            background: var(--c-white);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            padding: var(--sp-lg);
            box-shadow: var(--sh-sm);
            transition: var(--transition-md);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            opacity: 0;
            transition: var(--transition-md);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--sh-md);
            border-color: rgba(15, 108, 92, 0.3);
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--r-md);
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--c-white);
            margin-bottom: var(--sp-md);
            box-shadow: var(--sh-sm);
        }

        .feature-icon.icon-accent {
            background: linear-gradient(135deg, var(--c-accent), #ff8f3d);
            box-shadow: var(--sh-accent);
        }

        .feature-icon.icon-soft {
            background: linear-gradient(135deg, #4ba3a0, #2c8c88);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--sp-xs);
        }

        .feature-card p {
            font-size: 15px;
            color: var(--c-text-light);
            line-height: 1.7;
        }

        .feature-card .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-weight: 700;
            font-size: 14px;
            margin-top: var(--sp-sm);
        }

        .feature-card .feature-link:hover {
            color: var(--c-accent);
        }

        /* ============ Category entry cards ============ */
        .category-section {
            background: var(--c-white);
            padding: var(--sp-xxl) 0;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--sp-md);
        }

        .category-card {
            border-radius: var(--r-md);
            overflow: hidden;
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--sh-sm);
            transition: var(--transition-md);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--sh-lg);
            border-color: rgba(15, 108, 92, 0.3);
        }

        .category-cover {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .category-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13, 31, 27, 0.75) 100%);
        }

        .category-cover .cover-icon {
            position: absolute;
            bottom: var(--sp-md);
            left: var(--sp-md);
            z-index: 1;
            background: rgba(255, 255, 255, 0.95);
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--c-primary);
            box-shadow: var(--sh-md);
        }

        .category-body {
            padding: var(--sp-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .category-body p {
            font-size: 14px;
            color: var(--c-text-light);
            margin-bottom: var(--sp-sm);
            flex: 1;
        }

        .category-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--sp-sm);
        }

        .tag {
            display: inline-block;
            background: var(--c-bg-soft);
            color: var(--c-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--r-pill);
            border: 1px solid rgba(15, 108, 92, 0.12);
        }

        .category-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--c-border);
            padding-top: var(--sp-sm);
        }

        .category-link {
            color: var(--c-primary);
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .category-stat {
            font-size: 13px;
            color: var(--c-text-light);
        }

        /* ============ Steps / Process ============ */
        .steps-section {
            padding: var(--sp-xxl) 0;
            background: linear-gradient(135deg, var(--c-bg-soft) 0%, #e8f2f0 100%);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--sp-md);
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            opacity: 0.3;
            z-index: 1;
        }

        .step-item {
            background: var(--c-white);
            border-radius: var(--r-md);
            padding: var(--sp-lg);
            text-align: center;
            box-shadow: var(--sh-sm);
            border: 1px solid var(--c-border);
            position: relative;
            z-index: 2;
            transition: var(--transition-md);
        }

        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--sh-md);
        }

        .step-num {
            width: 80px;
            height: 80px;
            margin: 0 auto var(--sp-sm);
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            color: var(--c-white);
            font-size: 28px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--sh-md);
            position: relative;
        }

        .step-num::after {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px dashed rgba(15, 108, 92, 0.2);
            animation: rotate 15s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--c-text-light);
        }

        /* ============ Stats ============ */
        .stats-band {
            background: var(--c-dark);
            padding: var(--sp-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--sp-md);
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
        }

        .stat-item .num span {
            font-size: 24px;
        }

        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
            letter-spacing: 1px;
        }

        /* ============ Content List ============ */
        .content-section {
            padding: var(--sp-xxl) 0;
            background: var(--c-white);
        }

        .content-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--sp-md);
        }

        .content-card {
            display: flex;
            gap: var(--sp-md);
            background: var(--c-white);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            padding: var(--sp-sm);
            transition: var(--transition-md);
            box-shadow: var(--sh-sm);
        }

        .content-card:hover {
            box-shadow: var(--sh-md);
            transform: translateY(-4px);
            border-color: rgba(15, 108, 92, 0.3);
        }

        .content-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--r-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .content-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 108, 92, 0.15), rgba(245, 166, 35, 0.1));
        }

        .content-body {
            flex: 1;
            padding: 4px 0;
        }

        .content-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-body h3 a:hover {
            color: var(--c-primary);
        }

        .content-body p {
            font-size: 14px;
            color: var(--c-text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .content-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--c-text-light);
        }

        .content-meta .meta-tag {
            background: var(--c-bg-soft);
            padding: 2px 10px;
            border-radius: var(--r-pill);
            color: var(--c-primary);
            font-weight: 600;
        }

        /* ============ Data blocks ============ */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--sp-md);
        }

        .data-card {
            background: var(--c-white);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            padding: var(--sp-lg);
            box-shadow: var(--sh-sm);
            transition: var(--transition-md);
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            box-shadow: var(--sh-md);
            transform: translateY(-4px);
        }

        .data-card .icon {
            font-size: 32px;
            color: var(--c-primary);
            margin-bottom: var(--sp-sm);
        }

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

        .data-card ul {
            margin: 0;
        }

        .data-card ul li {
            font-size: 14px;
            color: var(--c-text-light);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-card ul li i {
            color: var(--c-accent);
            font-size: 12px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--c-bg-soft);
            padding: var(--sp-xxl) 0;
        }

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

        .faq-item {
            background: var(--c-white);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            margin-bottom: var(--sp-sm);
            overflow: hidden;
            box-shadow: var(--sh-sm);
            transition: var(--transition-md);
        }

        .faq-item:hover {
            border-color: rgba(15, 108, 92, 0.3);
        }

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

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

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--c-bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--c-primary);
            transition: var(--transition-md);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 var(--sp-md);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 var(--sp-md) 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--c-text-light);
            line-height: 1.9;
            margin: 0;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
            padding: var(--sp-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--sp-lg);
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--c-white);
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-actions {
            display: flex;
            gap: var(--sp-sm);
            flex-wrap: wrap;
        }

        .btn-white {
            background: var(--c-white);
            color: var(--c-primary);
            box-shadow: var(--sh-md);
        }

        .btn-white:hover {
            background: var(--c-accent);
            color: var(--c-white);
            transform: translateY(-3px);
        }

        .btn-outline-white {
            background: transparent;
            color: var(--c-white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            border-color: var(--c-white);
            background: rgba(255, 255, 255, 0.1);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-dark);
            color: var(--c-white);
            padding: var(--sp-xl) 0 var(--sp-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--sp-xl);
            margin-bottom: var(--sp-xl);
        }

        .footer-brand .logo-text {
            color: var(--c-white);
            font-size: 24px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: var(--sp-sm);
            max-width: 360px;
            line-height: 1.8;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--sp-sm);
            color: var(--c-white);
        }

        .footer-links {
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition-md);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a::before {
            content: '›';
            font-size: 16px;
            color: var(--c-accent);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--sp-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--sp-sm);
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-tech {
            display: flex;
            gap: var(--sp-md);
        }

        .footer-tech a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-tech a:hover {
            color: var(--c-accent-light);
        }

        /* ============ Mobile navigation ============ */
        @media screen and (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: var(--sp-lg);
            }

            .hero-card {
                max-width: 600px;
            }

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

            .steps-grid::before {
                display: none;
            }

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

            .nav-cta .btn-header {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 840px) {
            .menu-toggle {
                display: flex;
            }

            .header-inner {
                flex-wrap: wrap;
            }

            .nav-panel {
                display: none;
                width: 100%;
                border-radius: var(--r-md);
                background: var(--c-white);
                border: 1px solid var(--c-border);
                box-shadow: var(--sh-lg);
                padding: var(--sp-sm);
            }

            .nav-panel.open {
                display: block;
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-links a {
                border-radius: var(--r-sm);
                padding: 12px 16px;
            }

            .nav-cta {
                display: none;
            }

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

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

            .content-list {
                grid-template-columns: 1fr;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --sp-xxl: 56px;
                --sp-xl: 40px;
            }

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

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

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--sp-lg);
            }

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

            .cta-inner {
                justify-content: center;
                text-align: center;
            }

            .cta-content h2 {
                font-size: 26px;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-points {
                justify-content: center;
            }

            .content-card {
                flex-direction: column;
            }

            .content-thumb {
                width: 100%;
                height: 140px;
            }

            .live-bar-inner {
                justify-content: center;
                text-align: center;
            }

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

            .section-header h2 {
                font-size: 26px;
            }
        }

        /* ============ JS supports ============ */
        .is-visible {
            opacity: 1 !important;
            transform: translateY(0) !important;
        }

        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--c-bg);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--c-primary-light);
            border-radius: var(--r-pill);
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--c-primary);
        }

/* roulang page: category1 */
:root {
    --primary: #1e3a5f;
    --primary-light: #2b5291;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --bg: #f5f7fb;
    --bg-white: #ffffff;
    --bg-dark: #111c2e;
    --text: #1a2836;
    --text-weak: #5b6b7b;
    --text-light: #94a3b3;
    --border: #e3e9f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(17, 28, 46, .06);
    --shadow-md: 0 6px 24px rgba(17, 28, 46, .09);
    --shadow-lg: 0 14px 44px rgba(17, 28, 46, .13);
    --space-section: 96px;
    --transition: all .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:hover, a:focus { color: var(--primary-light); outline: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; width: 100%; }
.section, main .grid-container { padding: var(--space-section) 0; }
.section-title { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 10px; line-height: 1.2; color: var(--text); }
.section-subtitle { font-size: 1.05rem; color: var(--text-weak); max-width: 680px; margin-bottom: 36px; }

/* ===== Header / Nav ===== */
.site-header {
    background: var(--bg-dark);
    padding: 18px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, .2);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--accent);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.logo-text {
    font-size: 1.55rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
    white-space: nowrap;
}
.logo-text span { color: var(--accent); }
.nav-panel {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 999px;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    backdrop-filter: blur(6px);
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 2px;
    margin: 0;
    padding: 0;
}
.nav-links li a {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: .92rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .82);
    white-space: nowrap;
    transition: var(--transition);
}
.nav-links li a:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
}
.nav-links li a.active {
    background: var(--accent);
    color: #0f172a;
    box-shadow: 0 4px 14px rgba(245, 158, 11, .4);
}
.nav-cta {
    margin-left: 8px;
}
.nav-cta a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #0f172a;
    font-weight: 700;
    font-size: .9rem;
    padding: 8px 18px;
    border-radius: 999px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-cta a:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(245, 158, 11, .35); }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255,255,255,.1);
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    border: 1px solid rgba(255,255,255,.14);
}

/* ===== Hero / Banner ===== */
.category-hero {
    position: relative;
    padding: 90px 0;
    background: linear-gradient(135deg, rgba(17,28,46,.92) 0%, rgba(27,48,80,.82) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
    border-bottom: 4px solid var(--accent);
}
.category-hero .crumb {
    font-size: .88rem;
    color: rgba(255,255,255,.7);
    margin-bottom: 14px;
    display: flex;
    gap: 8px;
    align-items: center;
}
.category-hero .crumb a:hover { color: var(--accent); }
.hero-title {
    font-size: clamp(2.1rem, 4.4vw, 3.4rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
}
.hero-title span { color: var(--accent); }
.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,.82);
    max-width: 700px;
    margin-bottom: 30px;
    line-height: 1.8;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    padding: 7px 16px;
    border-radius: 999px;
    font-size: .86rem;
    color: rgba(255,255,255,.9);
}
.hero-badge i { color: var(--accent); }

/* ===== Welcome / intro ===== */
.welcome-section {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}
.welcome-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
}
.welcome-text h2 { color: var(--text); }
.welcome-text p { color: var(--text-weak); font-size: 1rem; margin-bottom: 16px; }
.welcome-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
}
.stat-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}
.stat-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.stat-num { font-size: 1.9rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: .82rem; color: var(--text-weak); margin-top: 4px; }
.welcome-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}
.welcome-image img { width: 100%; height: 100%; object-fit: cover; min-height: 340px; }
.welcome-image::after {
    content: "登录体验更流畅";
    position: absolute;
    bottom: 18px;
    left: 18px;
    background: rgba(17,28,46,.8);
    color: #fff;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: .85rem;
    border: 1px solid rgba(255,255,255,.2);
}

/* ===== Prep list ===== */
.prep-section { background: var(--bg); }
.prep-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 12px;
}
.prep-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 26px;
    transition: var(--transition);
    position: relative;
}
.prep-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(245,158,11,.5); }
.prep-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #eef2f8, #dce6f2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 18px;
}
.prep-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 10px; }
.prep-card p { font-size: .9rem; color: var(--text-weak); line-height: 1.6; }

/* ===== Login methods ===== */
.methods-section { background: var(--bg-white); }
.methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.method-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.method-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: rgba(245,158,11,.4); }
.method-cover { height: 190px; overflow: hidden; position: relative; }
.method-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.method-card:hover .method-cover img { transform: scale(1.04); }
.method-cover .cover-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--accent);
    color: #0f172a;
    font-size: .76rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(245,158,11,.4);
}
.method-body { padding: 26px 24px; }
.method-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.method-body p { font-size: .9rem; color: var(--text-weak); margin-bottom: 16px; line-height: 1.65; }
.method-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 700;
    font-size: .88rem;
}
.method-link:hover { color: var(--accent-hover); gap: 10px; }

/* ===== Steps ===== */
.steps-section {
    background: var(--bg-dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.steps-section::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(245,158,11,.18) 0%, transparent 70%);
    pointer-events: none;
}
.steps-section .section-title { color: #fff; }
.steps-section .section-subtitle { color: rgba(255,255,255,.7); }
.steps-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}
.step-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius);
    padding: 30px 24px;
    position: relative;
    transition: var(--transition);
}
.step-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); border-color: var(--accent); }
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent);
    color: #0f172a;
    font-weight: 800;
    font-size: 1.2rem;
    margin-bottom: 18px;
}
.step-card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: .88rem; color: rgba(255,255,255,.72); line-height: 1.6; }

/* ===== Live status bar ===== */
.live-bar {
    background: var(--primary);
    border-radius: var(--radius);
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 56px;
    border: 1px solid rgba(255,255,255,.1);
}
.live-status {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: .95rem;
    color: rgba(255,255,255,.9);
}
.live-dot {
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 1.6s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
    50% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
}
.live-count {
    font-size: .88rem;
    color: rgba(255,255,255,.7);
}
.live-count strong { color: var(--accent); font-size: 1.1rem; margin: 0 4px; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-white); }
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    max-width: 940px;
}
.faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 26px 28px;
    cursor: pointer;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    cursor: pointer;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent);
    transition: transform .3s ease;
    line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: .92rem;
    color: var(--text-weak);
    line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 0;
    color: #fff;
    text-align: center;
}
.cta-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; margin-bottom: 14px; }
.cta-desc { color: rgba(255,255,255,.78); max-width: 640px; margin: 0 auto 34px; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    line-height: 1.2;
}
.btn-accent {
    background: var(--accent);
    color: #0f172a;
    box-shadow: 0 6px 24px rgba(245,158,11,.4);
}
.btn-accent:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(245,158,11,.5); }
.btn-outline-light {
    background: transparent;
    border: 2px solid rgba(255,255,255,.4);
    color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,.7);
    padding: 64px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .logo-text { font-size: 1.4rem; display: block; margin-bottom: 14px; }
.footer-brand p { font-size: .9rem; line-height: 1.7; color: rgba(255,255,255,.55); max-width: 380px; }
.footer-title {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255,255,255,.6);
    font-size: .9rem;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .84rem;
    color: rgba(255,255,255,.4);
}
.footer-tech a { color: rgba(255,255,255,.5); margin-left: 18px; font-size: .84rem; }
.footer-tech a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .container { padding: 0 24px; }
    .welcome-grid { grid-template-columns: 1fr; gap: 36px; }
    .prep-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-wrap { grid-template-columns: repeat(2, 1fr); }
    .methods-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    :root { --space-section: 70px; }
    .site-header { padding: 12px 0; }
    .header-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
    .nav-toggle { display: inline-flex; }
    .nav-panel {
        display: none;
        width: 100%;
        border-radius: var(--radius-sm);
        background: rgba(255,255,255,.08);
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
    }
    .nav-panel.open { display: flex; }
    .nav-links { flex-direction: column; gap: 4px; }
    .nav-links li a { display: block; text-align: left; padding: 10px 16px; }
    .nav-cta { margin: 8px 0 0 0; }
    .nav-cta a { justify-content: center; }
    .category-hero { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .faq-grid { grid-template-columns: 1fr; }
    .welcome-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .live-bar { flex-direction: column; align-items: flex-start; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .prep-grid { grid-template-columns: 1fr; }
    .steps-wrap { grid-template-columns: 1fr; }
    .methods-grid { grid-template-columns: 1fr; }
    .welcome-stats { grid-template-columns: 1fr 1fr; }
    .stat-card { padding: 14px 10px; }
    .stat-num { font-size: 1.5rem; }
    .hero-title { font-size: 1.8rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-tech a { margin-left: 8px; }
}

/* roulang page: category2 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --secondary: #06b6d4;
  --secondary-light: #ecfeff;
  --accent: #f59e0b;
  --bg: #f8fafc;
  --bg-dark: #0b1226;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 50px rgba(0, 0, 0, 0.14);
  --shadow-primary: 0 12px 35px rgba(37, 99, 235, 0.22);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

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

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

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

a:focus, button:focus, input:focus, textarea:focus {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  width: 92%;
  margin: 0 auto;
}

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.section-header .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}

.section-header h2 span {
  color: var(--primary);
}

.section-header p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Header ===== */
.site-header {
  background: var(--bg-dark);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.header-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 12px 24px;
  backdrop-filter: blur(10px);
}

.logo-text {
  font-size: 22px;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

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

.nav-panel {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 10px;
}

.nav-links li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
}

.nav-links li a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.nav-links li a.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(16, 185, 129, 0.15);
  padding: 6px 14px;
  border-radius: 50px;
}

.header-status .dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.header-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #ffffff;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 50px;
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
  transition: var(--transition);
}

.header-login-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 14px 30px rgba(245, 158, 11, 0.4);
  color: #ffffff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 110px 0 120px;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 18, 38, 0.92), rgba(37, 99, 235, 0.75));
  z-index: 1;
}

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

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

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

.hero h1 {
  font-size: clamp(36px, 6vw, 54px);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--accent);
  display: block;
}

.hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 580px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 34px;
  border-radius: 50px;
  box-shadow: var(--shadow-primary);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.3);
  color: #ffffff;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 32px;
  border-radius: 50px;
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-3px);
  color: #ffffff;
}

.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.hero-meta-item i {
  color: var(--accent);
  font-size: 18px;
}

/* ===== Security Cards ===== */
.security-cards {
  padding: var(--space-lg) 0;
  background: var(--bg);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.security-stat {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.security-stat::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.security-stat:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  background: var(--primary-light);
}

.stat-number {
  font-size: 38px;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

/* ===== Security Features ===== */
.features-section {
  background: linear-gradient(180deg, var(--bg) 0%, #eef2f7 100%);
  padding: var(--space-lg) 0 var(--space-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 48px;
}

.feature-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.feature-visual img {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
}

.feature-visual .visual-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-content h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.feature-content h2 span {
  color: var(--primary);
}

.feature-content p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-list li:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.08);
  transform: translateX(4px);
}

.feature-list li i {
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}

.feature-list li span {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

/* ===== Security Guide Steps ===== */
.steps-section {
  background: var(--bg-card);
  padding: var(--space-xl) 0;
}

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

.steps-wrapper::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
  z-index: 0;
}

.step-card {
  position: relative;
  text-align: center;
  padding: 24px 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  z-index: 1;
}

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

.step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.step-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== Live Security Status ===== */
.live-status-section {
  background: var(--bg-dark);
  padding: var(--space-lg) 0;
  position: relative;
  overflow: hidden;
}

.live-status-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(37, 99, 235, 0.15);
  border-radius: 50%;
  filter: blur(60px);
}

.status-panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 2;
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.status-header h2 {
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 50px;
}

.live-badge .dot {
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.status-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  transition: var(--transition);
}

.status-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.status-item .label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.status-item .label i {
  color: var(--secondary);
  font-size: 15px;
}

.status-item .value {
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-xl) 0;
  background: var(--bg);
}

.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

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

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

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

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

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--space-lg) 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 18, 38, 0.9), rgba(37, 99, 235, 0.8));
}

.cta-box {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.cta-box h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  padding: var(--space-lg) 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text {
  color: #ffffff;
  display: block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}

.footer-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-tech {
  display: flex;
  gap: 20px;
}

.footer-tech a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-wrapper::before {
    display: none;
  }
  .status-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 0;
  }
  .header-panel {
    padding: 10px 16px;
  }
  .nav-panel {
    position: fixed;
    top: 70px;
    left: 20px;
    right: 20px;
    z-index: 999;
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-panel.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links {
    flex-direction: column;
    gap: 8px;
  }
  .nav-links li a {
    display: flex;
    width: 100%;
    border-radius: 12px;
  }
  .menu-toggle {
    display: flex;
  }
  .header-status {
    display: none;
  }
  .hero {
    padding: 70px 0 80px;
    min-height: auto;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary, .btn-outline-light {
    justify-content: center;
  }
  .section {
    padding: 48px 0;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .header-login-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
  .logo-text {
    font-size: 18px;
  }
  .security-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrapper {
    grid-template-columns: 1fr;
  }
  .status-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero p {
    font-size: 15px;
  }
  .feature-content h2 {
    font-size: 24px;
  }
}

/* ===== Miscellaneous ===== */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary-dark);
}

.btn-back-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: var(--transition);
  z-index: 99;
}

.btn-back-top.show {
  opacity: 1;
}

.btn-back-top:hover {
  transform: translateY(-4px);
  background: var(--primary-dark);
  color: #fff;
}

/* roulang page: article */
:root {
            --primary: #1a4f8b;
            --primary-dark: #0e2f56;
            --primary-rgb: 26, 79, 139;
            --accent: #ff8a3d;
            --accent-rgb: 255, 138, 61;
            --bg: #f5f8fc;
            --bg-soft: #edf2f8;
            --text: #16233a;
            --muted: #5f6f86;
            --border: #dde7f1;
            --card: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(22, 35, 58, .07);
            --shadow-hover: 0 16px 38px rgba(22, 35, 58, .12);
            --transition: .25s ease;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        body.template-article {
            background: var(--bg);
        }

        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
            vertical-align: middle;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        a:hover,
        a:focus {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(var(--accent-rgb), .55);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            border: 0;
            background: none;
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 22px;
        }

        .section-pad {
            padding: 84px 0;
        }

        .template-article .section-pad {
            padding-top: 66px;
            padding-bottom: 72px;
        }

        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 40px;
            font-size: .95rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-2px);
            text-decoration: none;
        }

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

        .btn-sm {
            padding: 7px 16px;
            font-size: .88rem;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1.04rem;
        }

        .btn-block {
            width: 100%;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 12px 26px rgba(var(--primary-rgb), .30);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(var(--accent-rgb), .28);
        }

        .btn-accent:hover {
            background: #f07a24;
            color: #fff;
            box-shadow: 0 12px 28px rgba(var(--accent-rgb), .36);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .78);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 18px rgba(22, 35, 58, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 24px;
        }

        .logo-text {
            font-size: 1.32rem;
            font-weight: 800;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            letter-spacing: .5px;
            white-space: nowrap;
        }

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

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

        .nav-panel {
            display: flex;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px;
            margin: 0;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 32px;
            font-size: .94rem;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
        }

        .nav-links a:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 16px rgba(var(--primary-rgb), .10);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(var(--primary-rgb), .24);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.05rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .menu-toggle:hover {
            background: var(--primary-dark);
        }

        /* ===== 实时状态条 ===== */
        .live-status {
            background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-size: .88rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .live-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            text-align: center;
            flex-wrap: wrap;
        }

        .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #2dc96f;
            box-shadow: 0 0 0 4px rgba(45, 201, 111, .22);
            animation: pulse 1.6s infinite ease-in-out;
            flex-shrink: 0;
        }

        .live-status strong {
            color: #ffd2a6;
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: .45;
            }
        }

        /* ===== 文章首屏 ===== */
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 92px 0 108px;
            color: #fff;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 23, 49, .90) 15%, rgba(7, 23, 49, .68) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .76);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .88);
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .26);
            backdrop-filter: blur(6px);
            padding: 5px 15px;
            border-radius: 40px;
            font-size: .84rem;
            font-weight: 600;
            color: #fff;
        }

        .badge-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        .article-hero h1 {
            font-size: 2.3rem;
            line-height: 1.32;
            font-weight: 800;
            margin: 18px 0 14px;
            max-width: 860px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, .25);
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .88);
        }

        .article-meta-line span {
            display: inline-flex;
            align-items: center;
        }

        .article-meta-line i {
            margin-right: 7px;
            color: var(--accent);
            font-size: .95rem;
        }

        /* ===== 正文主体 ===== */
        .article-layout {
            background: var(--bg);
            position: relative;
        }

        .article-main-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 38px 44px;
            margin-top: -38px;
            position: relative;
            z-index: 3;
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.95;
            color: var(--text);
            word-break: break-word;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            font-weight: 800;
            color: var(--text);
        }

        .article-content h2 {
            font-size: 1.48rem;
            margin: 34px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.24rem;
            margin: 30px 0 14px;
        }

        .article-content p {
            margin: 0 0 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 22px;
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.85;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            margin: 10px 0 6px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-soft);
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            color: var(--muted);
            margin: 22px 0;
            font-size: .97rem;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-tags {
            margin-top: 30px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            display: inline-block;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            padding: 5px 14px;
            border-radius: 30px;
            font-size: .82rem;
            font-weight: 600;
            color: var(--muted);
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-tip-card {
            background: linear-gradient(135deg, #fff8ef, #ffffff);
            border: 1px solid #f3dfc4;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px 24px;
            margin-top: 22px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .tip-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            flex-shrink: 0;
        }

        .article-tip-card h3 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            font-weight: 800;
        }

        .article-tip-card p {
            font-size: .9rem;
            color: var(--muted);
            margin: 0;
        }

        .article-tip-card .btn {
            margin-left: auto;
            flex-shrink: 0;
        }

        .content-not-found {
            text-align: center;
            padding: 70px 24px;
        }

        .content-not-found i {
            font-size: 3rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .content-not-found h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .content-not-found p {
            color: var(--muted);
            margin-bottom: 24px;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            margin-top: -38px;
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            position: relative;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }

        .side-cta-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 24, 51, .78), rgba(8, 24, 51, .90));
        }

        .side-cta-card > * {
            position: relative;
            z-index: 1;
        }

        .side-cta-card h3 {
            color: #fff;
            font-size: 1.22rem;
            margin: 12px 0 8px;
            line-height: 1.35;
        }

        .side-cta-card p {
            color: rgba(255, 255, 255, .82);
            font-size: .9rem;
            margin: 0;
        }

        .side-cta-card .btn {
            width: 100%;
            display: flex;
            margin-top: 16px;
        }

        .side-title {
            font-size: 1.04rem;
            font-weight: 800;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-title::before {
            content: "";
            width: 10px;
            height: 18px;
            background: var(--accent);
            border-radius: 5px;
            flex-shrink: 0;
        }

        .side-list {
            list-style: none;
            margin: 0;
        }

        .side-list li + li {
            border-top: 1px solid var(--border);
        }

        .side-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            color: var(--text);
            font-weight: 600;
            font-size: .93rem;
            gap: 12px;
        }

        .side-list a::after {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            opacity: .6;
            flex-shrink: 0;
        }

        .side-list a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .side-tip {
            background: var(--bg-soft);
            border-color: #d6e4f2;
        }

        .side-tip p {
            font-size: .9rem;
            color: var(--muted);
            margin: 0;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .related-section .section-pad {
            padding-top: 72px;
            padding-bottom: 78px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 22px;
            margin-bottom: 36px;
        }

        .section-head.center {
            justify-content: center;
            text-align: center;
            flex-direction: column;
            align-items: center;
        }

        .overline {
            display: inline-block;
            letter-spacing: 2px;
            font-size: .74rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: 1.68rem;
            font-weight: 800;
            margin: 0;
            line-height: 1.35;
        }

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

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            display: block;
            color: var(--text);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            color: var(--text);
        }

        .related-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .related-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(8, 24, 51, .35));
        }

        .related-body {
            padding: 22px;
        }

        .related-body .tag {
            margin-bottom: 8px;
        }

        .related-body h3 {
            font-size: 1.08rem;
            font-weight: 800;
            margin: 8px 0 8px;
            line-height: 1.45;
        }

        .related-card:hover h3 {
            color: var(--primary);
        }

        .related-body p {
            font-size: .9rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-container {
            max-width: 860px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 32px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 0 24px;
            transition: all var(--transition);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            font-weight: 700;
            padding: 19px 36px 19px 0;
            position: relative;
            font-size: 1rem;
            color: var(--text);
        }

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

        .faq-item summary::after {
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform var(--transition);
        }

        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .faq-item[open] {
            box-shadow: var(--shadow-hover);
            border-color: rgba(var(--accent-rgb), .45);
        }

        .faq-item p {
            padding: 0 0 20px;
            color: var(--muted);
            font-size: .95rem;
            margin: 0;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(105deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: rgba(var(--accent-rgb), .14);
            top: -130px;
            right: -70px;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            bottom: -90px;
            left: 60px;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 1.72rem;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .8);
            margin: 0;
            font-size: 1rem;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0c1e36;
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 46px;
            padding-bottom: 38px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
        }

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

        .footer-brand p {
            font-size: .92rem;
            line-height: 1.8;
            max-width: 380px;
            color: rgba(255, 255, 255, .68);
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .footer-links {
            list-style: none;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: .92rem;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: .84rem;
        }

        .footer-bottom p {
            margin: 0;
            color: rgba(255, 255, 255, .56);
        }

        .footer-tech {
            display: flex;
            gap: 18px;
        }

        .footer-tech a {
            color: rgba(255, 255, 255, .58);
        }

        .footer-tech a:hover {
            color: #fff;
        }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: 64px;
                padding: 12px 0;
                gap: 12px;
            }

            .nav-panel {
                display: none;
                width: 100%;
                order: 3;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 10px;
                box-shadow: var(--shadow);
            }

            .nav-panel.nav-open {
                display: block;
            }

            .nav-links {
                flex-direction: column;
                background: transparent;
                border: 0;
                padding: 0;
                gap: 4px;
            }

            .nav-links a {
                display: block;
                text-align: center;
                border-radius: 12px;
                padding: 10px 14px;
            }

            .nav-links a.active {
                background: var(--primary);
                color: #fff;
            }

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

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

            .article-hero {
                padding: 70px 0 96px;
            }

            .article-hero h1 {
                font-size: 1.7rem;
            }

            .article-main-card {
                padding: 26px 22px;
                margin-top: -26px;
            }

            .sidebar {
                margin-top: 22px;
            }

            .section-pad,
            .template-article .section-pad {
                padding-top: 56px;
                padding-bottom: 60px;
            }

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

            .section-head.center {
                align-items: center;
            }

            .related-grid {
                grid-template-columns: 1fr;
                max-width: 440px;
                margin: 0 auto;
            }

            .article-tip-card {
                flex-direction: column;
                text-align: center;
            }

            .article-tip-card .btn {
                margin-left: 0;
                margin-top: 12px;
            }

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

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

            .faq-item {
                padding: 0 16px;
            }
        }

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

            .logo-text {
                font-size: 1.08rem;
            }

            .article-hero h1 {
                font-size: 1.42rem;
            }

            .article-meta-line {
                gap: 10px;
                flex-direction: column;
            }

            .article-main-card {
                padding: 20px 16px;
                border-radius: 14px;
            }

            .article-content {
                font-size: .98rem;
            }

            .article-content h2 {
                font-size: 1.28rem;
            }

            .related-cover {
                height: 150px;
            }

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

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

            .cta-inner h2 {
                font-size: 1.4rem;
            }

            .footer-tech {
                flex-wrap: wrap;
                justify-content: center;
            }
        }