/* roulang page: index */
:root {
            --primary: #0b1d3a;
            --primary-light: #122c4f;
            --accent: #f0a500;
            --accent-dark: #d18d00;
            --bg: #f5f7fa;
            --white: #ffffff;
            --text: #1f2937;
            --text-light: #6b7280;
            --border: #e5e7ed;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(11, 29, 58, .08);
            --shadow-hover: 0 16px 44px rgba(11, 29, 58, .14);
            --container: 1280px;
            --space: 90px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        input,
        button {
            font-family: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 0;
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            transition: all .25s ease;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ffc63c);
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(240, 165, 0, .35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(240, 165, 0, .4);
            color: var(--primary);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .85);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-3px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 18px;
        }
        .btn-block {
            display: flex;
            width: 100%;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 165, 0, .12);
            color: var(--accent-dark);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
        }
        .section {
            padding: var(--space) 0;
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -1px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 17px;
            line-height: 1.6;
        }
        .section-header .sub-mark {
            display: inline-block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), #ffc63c);
            margin-bottom: 16px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: 0 2px 18px rgba(11, 29, 58, .06);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(11, 29, 58, .2);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -.5px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .main-nav ul {
            display: flex;
            gap: 8px;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }
        .main-nav li a:hover {
            color: var(--accent);
            background: rgba(240, 165, 0, .08);
        }
        .main-nav li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 999px;
            padding: 0 6px 0 16px;
            border: 1px solid var(--border);
            flex: 0 0 200px;
            height: 40px;
            transition: border-color .2s;
        }
        .search-box focus-within {
            border-color: var(--accent);
        }
        .search-box input {
            border: 0;
            background: transparent;
            flex: 1;
            outline: none;
            font-size: 14px;
            color: var(--text);
        }
        .search-box button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 0;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }
        .search-box button:hover {
            background: var(--accent);
        }
        .header-cta {
            background: linear-gradient(135deg, var(--accent), #ffc63c);
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(240, 165, 0, .3);
            transition: all .25s;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 165, 0, .4);
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--white);
            font-size: 20px;
            color: var(--primary);
        }
        /* Hero */
        .hero {
            margin-top: 72px;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 29, 58, .9) 30%, rgba(11, 29, 58, .65) 60%, rgba(11, 29, 58, .25));
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 165, 0, .18);
            border: 1px solid rgba(240, 165, 0, .5);
            color: #ffd873;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            font-size: 15px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 900;
            color: #fff;
            line-height: 1.18;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 52px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, .2);
        }
        .stat-item {
            text-align: left;
        }
        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .stat-num i {
            color: var(--accent);
            font-style: normal;
            font-size: 20px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
            display: block;
        }
        /* Live Bar */
        .live-bar {
            background: var(--primary);
            border-bottom: 2px solid rgba(240, 165, 0, .3);
        }
        .live-bar-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            flex-wrap: wrap;
            overflow: hidden;
        }
        .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #22c55e;
            display: inline-block;
            animation: pulse 1.5s infinite;
            flex-shrink: 0;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, .6);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
            }
        }
        .live-label {
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            flex-shrink: 0;
            letter-spacing: 1px;
        }
        .live-text {
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .live-btn {
            flex-shrink: 0;
            background: rgba(240, 165, 0, .15);
            border: 1px solid rgba(240, 165, 0, .5);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            transition: all .2s;
        }
        .live-btn:hover {
            background: var(--accent);
            color: var(--primary);
        }
        /* Features */
        .features {
            background: var(--bg);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .3s, box-shadow .3s;
            border: 1px solid var(--border);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .feature-media {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .feature-card:hover .feature-media img {
            transform: scale(1.06);
        }
        .feature-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 29, 58, .8);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .feature-body {
            padding: 28px;
        }
        .feature-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .feature-body p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.65;
        }
        .feature-link {
            margin-top: 16px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
        }
        .feature-link i {
            transition: translate .2s;
        }
        .feature-link:hover i {
            translate: 4px 0;
        }
        /* Promo Countdown */
        .promo {
            background: linear-gradient(135deg, var(--primary) 0%, #122c4f 100%);
            position: relative;
            overflow: hidden;
        }
        .promo::before {
            content: "";
            position: absolute;
            right: -100px;
            top: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(240, 165, 0, .12);
        }
        .promo::after {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -120px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(240, 165, 0, .08);
        }
        .promo-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .promo-left {
            max-width: 600px;
        }
        .promo-left h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .promo-left p {
            color: rgba(255, 255, 255, .75);
            font-size: 16px;
            margin-bottom: 10px;
        }
        .promo-tags {
            display: flex;
            gap: 8px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .promo-tags span {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
        }
        .promo-right {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 24px;
            padding: 32px 36px;
            backdrop-filter: blur(10px);
            text-align: center;
            min-width: 300px;
        }
        .promo-right .promo-title {
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 6px;
        }
        .promo-right .promo-sub {
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
            margin-bottom: 18px;
        }
        .countdown {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-bottom: 22px;
        }
        .cd-item {
            background: rgba(0, 0, 0, .45);
            border-radius: 14px;
            padding: 14px 10px;
            min-width: 68px;
        }
        .cd-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            font-family: "Courier New", monospace;
            display: block;
            line-height: 1.2;
        }
        .cd-label {
            font-size: 12px;
            color: rgba(255, 255, 255, .6);
            margin-top: 4px;
            display: block;
        }
        /* News Section */
        .news-section {
            background: var(--white);
        }
        .news-list {
            display: grid;
            gap: 20px;
        }
        .news-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: box-shadow .3s, transform .3s;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .news-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 22px;
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
        }
        .news-cat {
            font-size: 12px;
            color: var(--accent-dark);
            background: rgba(240, 165, 0, .12);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 6px;
        }
        .news-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .news-content h4 a:hover {
            color: var(--accent-dark);
        }
        .news-content p {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }
        .news-date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        /* Guide Section */
        .guide-section {
            background: var(--bg);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .guide-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 30px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .3s, box-shadow .3s;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .guide-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #ffc63c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(240, 165, 0, .3);
        }
        .guide-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .guide-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .guide-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
        }
        /* Stats Section */
        .stats-section {
            background: url('/assets/images/backpic/back-2.png') center/cover fixed;
            position: relative;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, .94), rgba(11, 29, 58, .85));
        }
        .stats-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-top: 40px;
        }
        .stats-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 32px 20px;
            backdrop-filter: blur(6px);
        }
        .stats-card .stats-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .stats-card .stats-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            margin-top: 8px;
        }
        /* FAQ */
        .faq-section {
            background: var(--white);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: rgba(240, 165, 0, .4);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: 0;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--text-light);
            transition: transform .3s;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 24px 20px 68px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-answer a {
            color: var(--accent-dark);
            font-weight: 600;
        }
        .faq-answer a:hover {
            text-decoration: underline;
        }
        /* CTA Section */
        .cta-section {
            background: url('/assets/images/backpic/back-3.png') center/cover;
            position: relative;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 29, 58, .82);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 0;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .8);
            font-size: 17px;
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: #081426;
            color: rgba(255, 255, 255, .7);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 50px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 24px;
        }
        .footer-brand p {
            font-size: 14px;
            margin-top: 14px;
            line-height: 1.7;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            transition: all .2s;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 3px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .header-actions .search-box {
                display: none;
            }
            .menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 64px;
            }
            .menu-open .main-nav {
                display: block;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, .08);
            }
            .menu-open .main-nav ul {
                flex-direction: column;
                gap: 4px;
            }
            .menu-open .main-nav li a {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .hero {
                min-height: 540px;
            }
            .features-grid,
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --space: 60px;
            }
            .hero {
                min-height: 480px;
                margin-top: 64px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .promo-inner {
                flex-direction: column;
                text-align: center;
            }
            .promo-left {
                text-align: center;
            }
            .promo-tags {
                justify-content: center;
            }
            .news-card {
                flex-direction: column;
                text-align: center;
                padding: 22px;
            }
            .news-meta {
                justify-content: center;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .cta-inner h2 {
                font-size: 30px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .features-grid,
            .guide-grid,
            .stats-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                min-height: 430px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .header-cta {
                display: none;
            }
            .promo-right {
                min-width: 0;
                padding: 24px;
                width: 100%;
            }
            .countdown {
                gap: 8px;
            }
            .cd-item {
                min-width: 56px;
                padding: 10px 8px;
            }
            .cd-num {
                font-size: 24px;
            }
            .stats-num {
                font-size: 32px;
            }
        }

/* roulang page: category1 */
/* ============================================================
           设计系统变量
           ============================================================ */
        :root {
            --primary: #ff4b4b;
            --primary-dark: #d93a3a;
            --primary-soft: #fff0f0;
            --secondary: #182b49;
            --secondary-light: #2a4068;
            --secondary-soft: #eef3fb;
            --accent: #ffb020;
            --accent-soft: #fff8e8;
            --success: #22b07d;
            --bg: #ffffff;
            --bg-light: #f7f9fc;
            --bg-dark: #101c36;
            --text: #182136;
            --text-body: #4d5974;
            --text-weak: #8d97af;
            --border: #e6eaf2;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(24, 43, 73, 0.08);
            --shadow-lg: 0 20px 50px rgba(24, 43, 73, 0.14);
            --transition: all 0.3s ease;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ============================================================
           基础 Reset
           ============================================================ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            color: var(--text-body);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ============================================================
           按钮
           ============================================================ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.3;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(255, 75, 75, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(255, 75, 75, 0.4);
            color: #fff;
        }

        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(24, 43, 73, 0.25);
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(24, 43, 73, 0.3);
            color: #fff;
        }

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

        .btn-outline:hover,
        .btn-outline:focus-visible {
            background: var(--primary-soft);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-light {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-light:hover,
        .btn-light:focus-visible {
            background: var(--bg-light);
            transform: translateY(-3px);
            color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.8);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus-visible {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(255, 75, 75, 0.4);
            outline-offset: 3px;
        }

        /* ============================================================
           头部导航
           ============================================================ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(24, 43, 73, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 1rem;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 6px 16px rgba(255, 75, 75, 0.3);
        }

        .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.3px;
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: block;
            padding: 0.45rem 0.95rem;
            border-radius: 10px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
        }

        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: var(--bg-light);
            color: var(--primary);
        }

        .main-nav a.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

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

        .header-search input {
            width: 180px;
            padding: 0.5rem 2.3rem 0.5rem 1rem;
            border-radius: 50px;
            border: 1px solid var(--border);
            background: var(--bg-light);
            font-size: 0.88rem;
            transition: var(--transition);
            outline: none;
        }

        .header-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255, 75, 75, 0.1);
            width: 220px;
        }

        .header-search button {
            position: absolute;
            right: 0.2rem;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            transition: var(--transition);
        }

        .header-search button:hover {
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--bg-light);
            color: var(--secondary);
            font-size: 1.15rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        /* 移动端导航遮罩 */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(16, 28, 54, 0.6);
            z-index: 98;
            opacity: 0;
            transition: opacity 0.35s ease;
        }

        .nav-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ============================================================
           Hero Banner
           ============================================================ */
        .page-hero {
            position: relative;
            padding: 7rem 0 8rem;
            background-color: var(--bg-dark);
            background-size: cover;
            background-position: center;
            isolation: isolate;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg,
                    rgba(16, 28, 54, 0.92) 0%,
                    rgba(16, 28, 54, 0.72) 40%,
                    rgba(255, 75, 75, 0.25) 100%);
            z-index: -1;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -160px;
            top: -160px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 176, 32, 0.25) 0%, transparent 60%);
            z-index: -1;
        }

        .page-hero-inner {
            max-width: 760px;
            color: #fff;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.3rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

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

        .breadcrumb span {
            color: rgba(255, 255, 255, 0.4);
        }

        .page-hero-inner h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
        }

        .page-hero-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .page-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.2rem;
        }

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

        /* ============================================================
           实时状态条
           ============================================================ */
        .live-bar {
            position: relative;
            z-index: 3;
            margin-top: -3rem;
            margin-bottom: 2rem;
        }

        .live-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .live-stat {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 1.3rem 1.5rem;
            position: relative;
        }

        .live-stat::after {
            content: "";
            position: absolute;
            right: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: var(--border);
        }

        .live-stat:last-child::after {
            display: none;
        }

        .live-stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .live-stat:nth-child(2) .live-stat-icon {
            background: var(--secondary-soft);
            color: var(--secondary);
        }

        .live-stat:nth-child(3) .live-stat-icon {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .live-stat:nth-child(4) .live-stat-icon {
            background: rgba(34, 176, 125, 0.1);
            color: var(--success);
        }

        .live-stat-info strong {
            display: block;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .live-stat-info span {
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 4px rgba(34, 176, 125, 0.15);
            margin-right: 0.4rem;
        }

        /* ============================================================
           通用板块
           ============================================================ */
        .section {
            padding: 6rem 0;
        }

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

        .section-soft {
            background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
        }

        .section-head {
            max-width: 740px;
            margin: 0 auto 3.5rem;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 0.9rem;
        }

        .section-head h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.6rem;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: 1rem;
        }

        /* ============================================================
           登录方式卡片
           ============================================================ */
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .method-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .method-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 75, 75, 0.3);
        }

        .method-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .method-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .method-body {
            padding: 1.7rem 1.6rem 1.8rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .method-tag {
            display: inline-flex;
            align-self: flex-start;
            align-items: center;
            gap: 0.4rem;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            background: var(--secondary-soft);
            color: var(--secondary);
            font-size: 0.78rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .method-tag.hot {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .method-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .method-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            flex: 1;
            margin-bottom: 1rem;
        }

        .text-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .text-link:hover {
            color: var(--primary-dark);
            gap: 0.6rem;
        }

        /* ============================================================
           登录流程
           ============================================================ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.6rem;
        }

        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.4rem 1.8rem;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 75, 75, 0.25);
        }

        .step-number {
            position: relative;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.1rem;
            box-shadow: 0 8px 20px rgba(255, 75, 75, 0.3);
        }

        .step-item h3 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-weak);
        }

        /* ============================================================
           安全保障
           ============================================================ */
        .security-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

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

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

        .security-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(16, 28, 54, 0.5));
        }

        .security-list {
            margin-top: 0.5rem;
        }

        .security-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
        }

        .security-item:last-child {
            border-bottom: none;
        }

        .security-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .security-item:nth-child(2) .security-icon {
            background: var(--secondary-soft);
            color: var(--secondary);
        }

        .security-item:nth-child(3) .security-icon {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .security-item:nth-child(4) .security-icon {
            background: rgba(34, 176, 125, 0.1);
            color: var(--success);
        }

        .security-info h3 {
            font-size: 1.02rem;
            margin-bottom: 0.2rem;
        }

        .security-info p {
            font-size: 0.88rem;
            color: var(--text-weak);
        }

        /* ============================================================
           资讯中心
           ============================================================ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            box-shadow: var(--shadow);
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .news-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .news-card:hover .news-image img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 0.6rem;
        }

        .news-meta .tag {
            background: var(--accent-soft);
            color: var(--accent);
            padding: 0.15rem 0.6rem;
            border-radius: 50px;
            font-weight: 600;
        }

        .news-body h3 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            line-height: 1.45;
        }

        .news-body p {
            font-size: 0.88rem;
            color: var(--text-weak);
            flex: 1;
            margin-bottom: 0.8rem;
        }

        /* ============================================================
           FAQ
           ============================================================ */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 75, 75, 0.3);
        }

        .faq-item.active {
            box-shadow: var(--shadow);
            border-color: rgba(255, 75, 75, 0.3);
        }

        .faq-question {
            width: 100%;
            padding: 1.3rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question:focus-visible {
            outline: 3px solid rgba(255, 75, 75, 0.3);
            outline-offset: -3px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--primary-soft);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease;
        }

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

        .faq-answer-inner {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.92rem;
            color: var(--text-weak);
            border-top: 1px dashed var(--border);
            padding-top: 1rem;
        }

        /* ============================================================
           CTA
           ============================================================ */
        .cta-section {
            padding: 5rem 0;
            background-color: var(--secondary);
            background-image: radial-gradient(circle at 85% 15%, rgba(255, 75, 75, 0.35) 0%, transparent 45%),
                radial-gradient(circle at 10% 90%, rgba(255, 176, 32, 0.12) 0%, transparent 40%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.9rem;
        }

        .cta-badge {
            display: inline-block;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.82rem;
            margin-bottom: 1.4rem;
        }

        /* ============================================================
           页脚
           ============================================================ */
        .site-footer {
            background: var(--bg-dark);
            padding: 4.5rem 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 1rem;
        }

        .site-footer .brand-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .site-footer .brand-text {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }

        .footer-social {
            display: flex;
            gap: 0.6rem;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1.1rem;
            font-weight: 700;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.88rem;
            margin-bottom: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact p i {
            color: var(--accent);
            width: 16px;
        }

        .footer-bottom {
            padding: 1.4rem 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============================================================
           响应式断点
           ============================================================ */
        @media (max-width: 1024px) {
            .header-search input {
                width: 140px;
            }

            .header-search input:focus {
                width: 170px;
            }

            .methods-grid {
                gap: 1.2rem;
            }

            .news-grid {
                gap: 1.2rem;
            }

            .steps-grid {
                gap: 1rem;
            }
        }

        @media (max-width: 900px) {
            .header-tools .btn {
                display: none;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                height: 100vh;
                background: #fff;
                box-shadow: -20px 0 50px rgba(16, 28, 54, 0.15);
                z-index: 99;
                padding: 5rem 1.8rem 2rem;
                transition: right 0.35s ease;
                overflow-y: auto;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0.3rem;
            }

            .main-nav a {
                padding: 0.8rem 1rem;
                font-size: 1rem;
                border-radius: 12px;
            }

            .header-search {
                display: none;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 4rem 0;
            }

            .page-hero {
                padding: 5rem 0 6rem;
            }

            .page-hero-inner h1 {
                font-size: 2rem;
            }

            .page-hero-inner p {
                font-size: 0.95rem;
            }

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

            .live-stat:nth-child(2)::after {
                display: none;
            }

            .live-stat {
                padding: 1rem 1.2rem;
            }

            .methods-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }

            .section-head h2 {
                font-size: 1.65rem;
            }

            .security-wrap {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .security-image {
                order: -1;
            }

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

            .cta-inner h2 {
                font-size: 1.7rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 1.05rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .page-hero-inner h1 {
                font-size: 1.65rem;
            }

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

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

            .live-stats {
                grid-template-columns: 1fr;
                margin-top: 0;
            }

            .live-stat::after {
                display: none;
            }

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

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

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

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

            .footer-bottom {
                font-size: 0.74rem;
            }
        }

/* roulang page: article */
:root {
        --primary: #0b3b8c;
        --primary-dark: #072a66;
        --primary-light: #1a55e0;
        --secondary: #e6a817;
        --secondary-dark: #c9900e;
        --teal: #12a89d;
        --bg-body: #f4f7fb;
        --bg-dark: #071a36;
        --bg-gray: #eef2f7;
        --text: #1a2333;
        --text-light: #5d6e8c;
        --border: #dfe6ef;
        --white: #ffffff;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow-sm: 0 2px 12px rgba(11, 59, 140, .06);
        --shadow: 0 8px 30px rgba(11, 59, 140, .08);
        --shadow-hover: 0 16px 44px rgba(11, 59, 140, .16);
        --transition: all .3s ease;
        --container: 1240px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        background: var(--bg-body);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

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

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

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

    ul,
    ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        margin: 0 0 .5em;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text);
    }

    p {
        margin: 0 0 1em;
    }

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

    .container .row {
        max-width: none;
        margin-left: -12px;
        margin-right: -12px;
    }

    .container .row>.columns {
        padding-left: 12px;
        padding-right: 12px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 32px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        border: 2px solid transparent;
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
        text-align: center;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        box-shadow: 0 6px 20px rgba(11, 59, 140, .24);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(11, 59, 140, .32);
        color: #fff;
    }

    .btn-secondary {
        background: linear-gradient(135deg, #f6bd38, var(--secondary));
        color: #1a2333;
        box-shadow: 0 6px 20px rgba(230, 168, 23, .3);
    }

    .btn-secondary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(230, 168, 23, .4);
        color: #1a2333;
    }

    .btn-outline {
        border-color: rgba(255, 255, 255, .75);
        color: #fff;
        background: transparent;
    }

    .btn-outline:hover {
        background: rgba(255, 255, 255, .12);
        border-color: #fff;
        color: #fff;
    }

    :focus-visible {
        outline: 3px solid rgba(26, 85, 224, .5);
        outline-offset: 2px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, .94);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 16px rgba(7, 26, 54, .04);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
        gap: 20px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        border-radius: 10px;
        font-size: 17px;
        box-shadow: 0 4px 14px rgba(11, 59, 140, .3);
    }

    .brand-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: .5px;
    }

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

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

    .main-nav a {
        display: block;
        padding: 9px 18px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        transition: var(--transition);
    }

    .main-nav a:hover {
        background: rgba(11, 59, 140, .07);
        color: var(--primary);
    }

    .main-nav a.active {
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        box-shadow: 0 4px 14px rgba(11, 59, 140, .22);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-shrink: 0;
    }

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

    .header-search input {
        width: 200px;
        height: 40px;
        border: 1px solid var(--border);
        border-radius: 50px;
        padding: 0 40px 0 18px;
        font-size: 14px;
        background: #f7f9fc;
        transition: var(--transition);
    }

    .header-search input:focus {
        outline: none;
        border-color: var(--primary-light);
        background: #fff;
        box-shadow: 0 0 0 3px rgba(26, 85, 224, .12);
    }

    .search-btn {
        position: absolute;
        right: 4px;
        width: 32px;
        height: 32px;
        border: none;
        background: transparent;
        color: var(--text-light);
        border-radius: 50%;
        cursor: pointer;
        font-size: 14px;
        transition: var(--transition);
    }

    .search-btn:hover {
        color: var(--primary);
        background: rgba(11, 59, 140, .08);
    }

    .header-cta {
        padding: 10px 26px;
        font-size: 14px;
    }

    .menu-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: #fff;
        color: var(--text);
        font-size: 18px;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .menu-toggle:hover {
        background: var(--bg-gray);
    }

    .article-hero {
        position: relative;
        padding: 84px 0 104px;
        background: linear-gradient(135deg, rgba(7, 26, 54, .94), rgba(11, 59, 140, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        color: #fff;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .14);
        border: 1px solid rgba(255, 255, 255, .22);
        padding: 6px 16px;
        border-radius: 50px;
        font-size: 13px;
        font-weight: 500;
        color: #fff;
        margin-bottom: 22px;
        backdrop-filter: blur(6px);
    }

    .hero-badge .status-dot {
        width: 8px;
        height: 8px;
        background: #43d17c;
        border-radius: 50%;
        animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
        0%,
        100% {
            box-shadow: 0 0 0 0 rgba(67, 209, 124, .6);
        }
        50% {
            box-shadow: 0 0 0 6px rgba(67, 209, 124, 0);
        }
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, .7);
        margin-bottom: 20px;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, .8);
        transition: var(--transition);
    }

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

    .breadcrumb i {
        font-size: 11px;
        color: rgba(255, 255, 255, .45);
    }

    .article-hero-title {
        font-size: 40px;
        line-height: 1.3;
        color: #fff;
        max-width: 860px;
        margin-bottom: 20px;
        font-weight: 800;
        letter-spacing: .5px;
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        font-size: 14px;
        color: rgba(255, 255, 255, .82);
    }

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

    .meta-item i {
        color: var(--secondary);
        font-size: 14px;
    }

    .article-section {
        padding: 0 0 70px;
        position: relative;
        z-index: 2;
    }

    .article-main {
        max-width: 920px;
        margin: -60px auto 0;
        background: #fff;
        border-radius: 22px;
        box-shadow: var(--shadow);
        padding: 52px 58px;
        position: relative;
    }

    .article-cover {
        border-radius: var(--radius);
        overflow: hidden;
        margin-bottom: 34px;
        position: relative;
    }

    .article-cover img {
        width: 100%;
        height: 320px;
        object-fit: cover;
        display: block;
    }

    .article-cover::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(7, 26, 54, .25), transparent 55%);
    }

    .article-body {
        font-size: 16px;
        line-height: 1.85;
        color: #334158;
    }

    .article-body p {
        margin-bottom: 18px;
    }

    .article-body h2 {
        font-size: 26px;
        margin: 36px 0 16px;
        color: var(--text);
        padding-left: 14px;
        border-left: 4px solid var(--secondary);
    }

    .article-body h3 {
        font-size: 20px;
        margin: 28px 0 12px;
        color: var(--text);
    }

    .article-body img {
        border-radius: var(--radius);
        margin: 16px 0;
        box-shadow: var(--shadow-sm);
    }

    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: #f4f7fd;
        padding: 16px 22px;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 20px 0;
        color: var(--text-light);
    }

    .article-body ul,
    .article-body ol {
        margin: 0 0 20px;
        padding-left: 24px;
    }

    .article-body ul {
        list-style: disc;
    }

    .article-body ol {
        list-style: decimal;
    }

    .article-body li {
        margin-bottom: 6px;
    }

    .article-body a {
        color: var(--primary-light);
        font-weight: 500;
        border-bottom: 1px solid rgba(26, 85, 224, .25);
    }

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

    .article-tags {
        display: flex;
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 10px;
        border-top: 1px solid var(--border);
        padding-top: 28px;
        margin-top: 40px;
    }

    .tag-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .tag {
        display: inline-block;
        background: #f0f3fa;
        border: 1px solid #e3e9f2;
        padding: 5px 16px;
        border-radius: 50px;
        font-size: 13px;
        color: var(--text-light);
        transition: var(--transition);
    }

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

    .article-share {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 26px;
        padding-top: 22px;
        border-top: 1px solid var(--border);
        font-size: 14px;
        color: var(--text-light);
    }

    .share-btn {
        width: 38px;
        height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: #f0f3fa;
        color: var(--text-light);
        font-size: 16px;
        transition: var(--transition);
    }

    .share-btn:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-3px);
        box-shadow: 0 6px 16px rgba(11, 59, 140, .2);
    }

    .share-btn.weibo:hover {
        background: #e33b5d;
    }

    .share-btn.qq:hover {
        background: #2b9ae6;
    }

    .article-not-found {
        text-align: center;
        padding: 60px 30px;
    }

    .not-found-icon {
        width: 96px;
        height: 96px;
        margin: 0 auto 26px;
        border-radius: 50%;
        background: linear-gradient(135deg, #eef2f7, #e2e9f2);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 38px;
        color: var(--text-light);
    }

    .article-not-found h2 {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .article-not-found p {
        color: var(--text-light);
        margin-bottom: 28px;
    }

    .article-not-found .btn {
        margin: 0 6px;
    }

    .related-section {
        padding: 76px 0 70px;
        background: var(--bg-gray);
    }

    .section-header {
        text-align: center;
        margin-bottom: 44px;
    }

    .section-tag {
        display: inline-block;
        background: rgba(230, 168, 23, .14);
        color: var(--secondary-dark);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 18px;
        border-radius: 50px;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 10px;
        color: var(--text);
    }

    .section-desc {
        color: var(--text-light);
        max-width: 560px;
        margin: 0 auto;
        font-size: 15px;
    }

    .news-card {
        background: #fff;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
        border: 1px solid rgba(223, 230, 239, .6);
    }

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

    .news-card .card-img-wrap {
        height: 190px;
        overflow: hidden;
        position: relative;
    }

    .news-card .card-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .55s ease;
    }

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

    .news-card .card-img-wrap::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(7, 26, 54, .18), transparent 50%);
    }

    .news-card .card-cate {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(8px);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 50px;
        z-index: 2;
        box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
    }

    .news-card .card-content {
        padding: 22px 24px 26px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-card h3 {
        font-size: 18px;
        line-height: 1.5;
        margin-bottom: 10px;
    }

    .news-card h3 a {
        color: var(--text);
    }

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

    .news-card p {
        color: var(--text-light);
        font-size: 14px;
        margin-bottom: 18px;
        flex: 1;
    }

    .card-more {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .card-more i {
        transition: transform .3s;
    }

    .card-more:hover i {
        transform: translateX(4px);
    }

    .promo-section {
        padding: 76px 0 70px;
        background: linear-gradient(135deg, var(--bg-dark) 0%, #0d2f5e 100%);
    }

    .promo-section .section-title {
        color: #fff;
    }

    .promo-section .section-desc {
        color: rgba(255, 255, 255, .65);
    }

    .promo-section .section-tag {
        background: rgba(230, 168, 23, .18);
        color: #f6bd38;
    }

    .promo-card {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: var(--radius);
        padding: 30px 26px;
        height: 100%;
        transition: var(--transition);
        backdrop-filter: blur(8px);
        position: relative;
        overflow: hidden;
    }

    .promo-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--secondary), #f6bd38);
        opacity: 0;
        transition: var(--transition);
    }

    .promo-card:hover {
        background: rgba(255, 255, 255, .1);
        transform: translateY(-6px);
        border-color: rgba(230, 168, 23, .4);
    }

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

    .promo-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 18px;
        background: rgba(230, 168, 23, .18);
        color: #f6bd38;
    }

    .promo-card h3 {
        color: #fff;
        font-size: 18px;
        margin-bottom: 10px;
    }

    .promo-card p {
        color: rgba(255, 255, 255, .68);
        font-size: 14px;
        margin-bottom: 20px;
    }

    .promo-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: #f6bd38;
        font-size: 14px;
        font-weight: 600;
    }

    .promo-link i {
        transition: transform .3s;
    }

    .promo-link:hover {
        color: #ffd25e;
    }

    .promo-link:hover i {
        transform: translateX(4px);
    }

    .faq-section {
        padding: 76px 0 70px;
        background: var(--bg-body);
    }

    .faq-grid {
        max-width: 900px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

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

    .faq-item:hover {
        box-shadow: var(--shadow);
        border-color: #cdd8e8;
    }

    .faq-item details {
        padding: 0;
    }

    .faq-item summary {
        padding: 22px 28px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 12px;
        list-style: none;
        transition: var(--transition);
    }

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

    .faq-item summary::before {
        content: '\f059';
        font-family: 'Font Awesome 6 Free';
        font-weight: 400;
        color: var(--primary);
        font-size: 18px;
    }

    .faq-item summary::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 13px;
        color: var(--text-light);
        margin-left: auto;
        transition: transform .3s;
    }

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

    .faq-item details[open] summary {
        border-bottom: 1px solid var(--border);
    }

    .faq-answer {
        padding: 10px 28px 24px;
        color: var(--text-light);
        font-size: 15px;
    }

    .faq-answer p {
        margin-bottom: 0;
    }

    .cta-section {
        padding: 0 0 80px;
        background: var(--bg-body);
    }

    .cta-box {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        padding: 60px 50px;
        text-align: center;
        background: linear-gradient(135deg, rgba(7, 26, 54, .95), rgba(11, 59, 140, .9)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        color: #fff;
        box-shadow: var(--shadow);
    }

    .cta-box h2 {
        color: #fff;
        font-size: 34px;
        margin-bottom: 12px;
    }

    .cta-box p {
        color: rgba(255, 255, 255, .75);
        font-size: 16px;
        margin-bottom: 30px;
    }

    .cta-box .btn {
        margin: 0 6px;
    }

    .site-footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, .7);
        padding: 64px 0 0;
        font-size: 14px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 44px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-brand .brand-text {
        color: #fff;
        font-size: 22px;
    }

    .footer-brand .brand-icon {
        background: linear-gradient(135deg, #f6bd38, var(--secondary));
        color: var(--bg-dark);
    }

    .footer-brand p {
        margin: 16px 0 20px;
        line-height: 1.8;
        color: rgba(255, 255, 255, .6);
        font-size: 14px;
    }

    .footer-social {
        display: flex;
        gap: 10px;
    }

    .footer-social a {
        width: 38px;
        height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: rgba(255, 255, 255, .08);
        color: rgba(255, 255, 255, .7);
        font-size: 15px;
        transition: var(--transition);
    }

    .footer-social a:hover {
        background: var(--secondary);
        color: var(--bg-dark);
        transform: translateY(-3px);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 17px;
        margin-bottom: 20px;
    }

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

    .footer-col ul a {
        color: rgba(255, 255, 255, .6);
        transition: var(--transition);
        font-size: 14px;
    }

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

    .footer-contact p {
        margin-bottom: 12px;
        font-size: 14px;
        color: rgba(255, 255, 255, .6);
    }

    .footer-contact i {
        color: var(--secondary);
        margin-right: 8px;
        width: 18px;
        text-align: center;
    }

    .footer-bottom {
        text-align: center;
        padding: 22px 0;
        font-size: 13px;
        color: rgba(255, 255, 255, .4);
    }

    .footer-bottom p {
        margin-bottom: 0;
    }

    @media (max-width: 1024px) {
        .article-hero {
            padding: 66px 0 90px;
        }
        .article-hero-title {
            font-size: 32px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .header-search input {
            width: 150px;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            height: 66px;
        }
        .header-search {
            display: none;
        }
        .header-cta {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .main-nav {
            position: absolute;
            top: 66px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow);
            display: none;
            padding: 12px 20px 20px;
            border-radius: 0 0 16px 16px;
        }
        .main-nav.open {
            display: block;
        }
        .main-nav ul {
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
        }
        .main-nav a {
            padding: 13px 18px;
            border-radius: 10px;
        }
        .main-nav a.active {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }
        .article-main {
            margin-top: -40px;
            padding: 34px 26px;
        }
        .article-cover img {
            height: 220px;
        }
        .article-hero-title {
            font-size: 27px;
        }
        .section-title {
            font-size: 27px;
        }
        .cta-box {
            padding: 40px 24px;
        }
        .cta-box h2 {
            font-size: 26px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding-left: 18px;
            padding-right: 18px;
        }
        .article-main {
            padding: 26px 20px;
            border-radius: 16px;
        }
        .article-hero-title {
            font-size: 22px;
        }
        .article-body {
            font-size: 15px;
        }
        .article-meta {
            gap: 12px;
        }
        .article-tags {
            gap: 8px;
        }
        .news-card .card-img-wrap {
            height: 160px;
        }
        .promo-card {
            padding: 24px 20px;
        }
    }