/* roulang page: index */
:root {
            --brand-600: #2563eb;
            --brand-700: #1d4ed8;
            --brand-800: #1e40af;
            --brand-900: #1e3a8a;
            --ink-900: #0f172a;
            --ink-700: #334155;
            --ink-500: #64748b;
            --ink-300: #cbd5e1;
            --cream: #faf9f6;
            --sand: #f5f1ea;
            --accent: #d4a574;
            --card-shadow: 0 4px 24px rgba(30, 64, 175, 0.08);
            --lift-shadow: 0 12px 40px rgba(30, 64, 175, 0.14);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--cream);
            color: var(--ink-900);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(30, 64, 175, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            padding: 0.85rem 1.5rem;
            max-width: 1280px;
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-800);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563eb 0%, #1e3a8a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .nav-search {
            flex: 1;
            max-width: 460px;
            min-width: 200px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 100%;
            padding: 0.65rem 1rem 0.65rem 2.8rem;
            border-radius: 50px;
            border: 2px solid var(--ink-300);
            background: #fff;
            font-size: 0.9rem;
            color: var(--ink-700);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-search input::placeholder {
            color: var(--ink-500);
        }

        .nav-search input:focus {
            border-color: var(--brand-600);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
            outline: none;
        }

        .nav-search .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--ink-500);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            font-size: 0.92rem;
            flex-shrink: 0;
        }

        .nav-links a {
            color: var(--ink-700);
            font-weight: 500;
            padding: 0.4rem 0.1rem;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-600);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--brand-700);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--brand-600);
            color: #fff !important;
            padding: 0.55rem 1.35rem !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: background var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--brand-700);
            transform: translateY(-1px);
        }
        .nav-cta::after { display: none !important; }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--ink-700);
            cursor: pointer;
            padding: 0.35rem;
            border-radius: 0.5rem;
            transition: background var(--transition-base);
        }
        .mobile-toggle:hover { background: var(--ink-100); }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            overflow: hidden;
            background: #0a1628;
            color: #f1f5f9;
            min-height: 620px;
            display: flex;
            align-items: stretch;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(2, 6, 23, 0.88) 0%, rgba(30, 64, 175, 0.55) 55%, rgba(2, 6, 23, 0.75) 100%);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            max-width: 1280px;
            margin: 0 auto;
            padding: 5rem 2rem;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
            width: 100%;
        }

        .hero-left .hero-tag {
            display: inline-block;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid rgba(96, 165, 250, 0.35);
            color: #bfdbfe;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
        }

        .hero-left h1 {
            font-size: 2.65rem;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.4rem;
            letter-spacing: 0.01em;
        }
        .hero-left h1 .highlight {
            background: linear-gradient(135deg, #93c5fd 0%, #d4a574 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1rem;
            color: #cbd5e1;
            line-height: 1.85;
            max-width: 540px;
            margin-bottom: 2.2rem;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }

        .btn-primary {
            background: #2563eb;
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #e2e8f0;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(148, 163, 184, 0.45);
            cursor: pointer;
            transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-light:hover {
            border-color: #93c5fd;
            color: #dbeafe;
            background: rgba(37, 99, 235, 0.12);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #dbeafe;
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 0.25rem;
        }

        /* Hero 右侧数据榜单 */
        .hero-right {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .rank-panel {
            background: rgba(15, 23, 42, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(148, 163, 184, 0.2);
            border-radius: var(--radius-2xl);
            padding: 1.8rem 1.6rem;
            width: 100%;
            max-width: 420px;
            box-shadow: 0 24px 64px rgba(2, 6, 23, 0.5);
        }

        .rank-panel .panel-title {
            font-size: 1rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .rank-panel .panel-title i {
            color: #d4a574;
            font-size: 1.05rem;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }
        .rank-item:last-child { border-bottom: none; }

        .rank-badge {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.25);
            color: #bfdbfe;
            font-weight: 700;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .rank-item:nth-child(2) .rank-badge { background: rgba(212, 165, 116, 0.3); color: #d4a574; }
        .rank-item:nth-child(3) .rank-badge { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }

        .rank-info { flex: 1; min-width: 0; }
        .rank-name {
            font-size: 0.88rem;
            font-weight: 500;
            color: #e2e8f0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-meta {
            font-size: 0.74rem;
            color: #64748b;
            margin-top: 0.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rank-score {
            font-weight: 600;
            color: #d4a574;
            font-size: 0.82rem;
            flex-shrink: 0;
        }
        .rank-bar {
            width: 56px;
            height: 4px;
            background: rgba(148, 163, 184, 0.2);
            border-radius: 4px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .rank-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, #2563eb, #93c5fd);
            border-radius: 4px;
        }

        /* ===== Section 通用 ===== */
        .section { padding: 4.5rem 1.5rem; }
        .section-head {
            margin-bottom: 2.5rem;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-600);
            margin-bottom: 0.6rem;
        }
        .section-head h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 0.95rem;
            color: var(--ink-500);
            max-width: 680px;
            line-height: 1.8;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }

        /* ===== 最新动态 ===== */
        .latest-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            border: 1px solid rgba(30, 64, 175, 0.06);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--lift-shadow);
        }
        .news-card .card-img {
            height: 200px;
            overflow: hidden;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .news-card:hover .card-img img { transform: scale(1.05); }
        .news-card .card-body {
            padding: 1.4rem 1.5rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--brand-600);
            background: var(--brand-50);
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink-900);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.87rem;
            color: var(--ink-500);
            line-height: 1.7;
            flex: 1;
        }
        .news-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-600);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: 1rem;
            transition: gap var(--transition-base);
        }
        .news-card .card-link:hover { gap: 0.6rem; }

        /* ===== 快速解答 ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid rgba(30, 64, 175, 0.06);
            border-bottom: 1px solid rgba(30, 64, 175, 0.06);
        }
        .faq-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .faq-item {
            background: var(--sand);
            border-radius: var(--radius-lg);
            padding: 1.4rem 1.6rem;
            border: 1px solid rgba(30, 64, 175, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .faq-item:hover {
            background: #fff;
            box-shadow: var(--card-shadow);
        }
        .faq-item .faq-q {
            font-weight: 600;
            color: var(--ink-900);
            font-size: 0.95rem;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .faq-item .faq-q i {
            color: var(--brand-600);
            margin-top: 0.2rem;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item .faq-a {
            font-size: 0.87rem;
            color: var(--ink-500);
            line-height: 1.75;
            padding-left: 1.5rem;
        }

        /* ===== 资讯 ===== */
        .info-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2.5rem;
            align-items: start;
        }
        .info-list {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(30, 64, 175, 0.06);
            overflow: hidden;
        }
        .info-list-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.2rem 1.6rem;
            border-bottom: 1px solid rgba(30, 64, 175, 0.06);
            transition: background var(--transition-base);
            cursor: pointer;
        }
        .info-list-item:last-child { border-bottom: none; }
        .info-list-item:hover { background: var(--brand-50); }
        .info-list-item .info-num {
            font-weight: 700;
            color: var(--brand-600);
            font-size: 1.1rem;
            width: 28px;
            flex-shrink: 0;
        }
        .info-list-item .info-content { flex: 1; min-width: 0; }
        .info-list-item .info-title {
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--ink-900);
            line-height: 1.4;
        }
        .info-list-item .info-meta {
            font-size: 0.78rem;
            color: var(--ink-500);
            margin-top: 0.3rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .info-list-item .info-arrow {
            color: var(--ink-400);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: color var(--transition-base), transform var(--transition-base);
        }
        .info-list-item:hover .info-arrow {
            color: var(--brand-600);
            transform: translateX(3px);
        }

        .info-side {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .info-side-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(30, 64, 175, 0.06);
        }
        .info-side-card .side-img {
            height: 170px;
            overflow: hidden;
        }
        .info-side-card .side-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .info-side-card:hover .side-img img { transform: scale(1.04); }
        .info-side-card .side-body {
            padding: 1.2rem 1.4rem 1.4rem;
        }
        .info-side-card .side-tag {
            font-size: 0.7rem;
            font-weight: 600;
            color: #d4a574;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
            display: block;
        }
        .info-side-card h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--ink-900);
            margin-bottom: 0.45rem;
            line-height: 1.4;
        }
        .info-side-card p {
            font-size: 0.82rem;
            color: var(--ink-500);
            line-height: 1.7;
        }

        /* ===== 安全体系 ===== */
        .safety-section {
            background: var(--brand-900);
            color: #e2e8f0;
        }
        .safety-section .section-head h2 { color: #fff; }
        .safety-section .section-head p { color: #94a3b8; }
        .safety-section .section-head .eyebrow { color: #93c5fd; }

        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .safety-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(148, 163, 184, 0.16);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.3rem;
            transition: background var(--transition-base), transform var(--transition-base);
        }
        .safety-card:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-2px);
        }
        .safety-card .safety-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.3);
            color: #93c5fd;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .safety-card h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 0.5rem;
        }
        .safety-card p {
            font-size: 0.82rem;
            color: #94a3b8;
            line-height: 1.7;
        }

        /* ===== App 下载引导 ===== */
        .app-section {
            background: var(--sand);
        }
        .app-panel {
            background: #fff;
            border-radius: var(--radius-2xl);
            box-shadow: var(--card-shadow);
            padding: 3rem 2.5rem;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 3rem;
            align-items: center;
            border: 1px solid rgba(30, 64, 175, 0.08);
            overflow: hidden;
            position: relative;
        }
        .app-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .app-info h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 0.8rem;
        }
        .app-info p {
            font-size: 0.92rem;
            color: var(--ink-500);
            line-height: 1.8;
            margin-bottom: 1.6rem;
            max-width: 480px;
        }
        .app-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
        }
        .app-btn {
            background: var(--ink-900);
            color: #fff;
            padding: 0.7rem 1.4rem;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 500;
            font-size: 0.88rem;
            transition: background var(--transition-base), transform var(--transition-base);
        }
        .app-btn:hover {
            background: #1e293b;
            transform: translateY(-2px);
        }
        .app-btn i { font-size: 1.2rem; }

        .app-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .app-card-mock {
            background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
            border-radius: var(--radius-xl);
            padding: 2rem 1.8rem;
            color: #fff;
            width: 100%;
            max-width: 300px;
            text-align: center;
            box-shadow: 0 16px 48px rgba(30, 64, 175, 0.35);
        }
        .app-card-mock .mock-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 1rem;
        }
        .app-card-mock h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }
        .app-card-mock p {
            font-size: 0.8rem;
            color: #bfdbfe;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink-900);
            color: #94a3b8;
            padding: 3.5rem 1.5rem 1.8rem;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .brand-logo {
            color: #e2e8f0;
            margin-bottom: 1rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover { color: #dbeafe; }

        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            font-size: 0.78rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 3rem;
                padding: 4rem 1.5rem;
            }
            .hero-left h1 { font-size: 2.2rem; }
            .latest-grid { grid-template-columns: repeat(2, 1fr); }
            .safety-grid { grid-template-columns: repeat(2, 1fr); }
            .info-layout { grid-template-columns: 1fr; }
            .app-panel { grid-template-columns: 1fr; padding: 2rem 1.5rem; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0.8rem;
                padding: 0.7rem 1rem;
            }
            .brand-logo { font-size: 1.02rem; }
            .brand-logo .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
            .nav-search { order: 3; flex-basis: 100%; max-width: 100%; }
            .nav-links { display: none; }
            .mobile-toggle { display: block; margin-left: auto; }

            .hero-section { min-height: auto; }
            .hero-left h1 { font-size: 1.8rem; }
            .hero-stats { gap: 1rem; }
            .hero-stat .stat-num { font-size: 1.35rem; }
            .rank-panel { max-width: 100%; }

            .latest-grid { grid-template-columns: 1fr; }
            .safety-grid { grid-template-columns: 1fr; }
            .faq-list { grid-template-columns: 1fr; }
            .section { padding: 3rem 1rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
        }

        @media (max-width: 520px) {
            .hero-inner { padding: 3rem 1rem; gap: 2rem; }
            .hero-left h1 { font-size: 1.5rem; }
            .hero-cta-row { flex-direction: column; }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-outline-light { width: 100%; justify-content: center; }
            .hero-stats { justify-content: space-between; }
            .rank-panel { padding: 1.2rem 1rem; }
            .app-btns { flex-direction: column; }
            .app-btn { justify-content: center; }
        }