/* roulang page: index */
:root {
            --primary: #E8541E;
            --primary-dark: #C43D12;
            --primary-light: #FF7A3D;
            --secondary: #1A1A2E;
            --accent: #FFB800;
            --accent-light: #FFD34D;
            --bg: #F8F6F3;
            --surface: #FFFFFF;
            --text: #1A1A2E;
            --text-light: #5C5C70;
            --text-muted: #8A8A9E;
            --border: #E8E5E0;
            --border-strong: #D5D0C8;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 26, 46, 0.08);
            --shadow-lg: 0 14px 44px rgba(26, 26, 46, 0.12);
            --shadow-xl: 0 22px 60px rgba(232, 84, 30, 0.15);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        button { cursor: pointer; font-family: inherit; transition: var(--transition); }
        input, select, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .container--wide { max-width: 1360px; }
        .section { padding: 72px 0; position: relative; }
        .section--bg-white { background: var(--surface); }
        .section--bg-dark { background: var(--secondary); color: #fff; }
        .section--bg-accent { background: linear-gradient(135deg, #E8541E 0%, #C43D12 100%); color: #fff; }
        .section-header { margin-bottom: 42px; }
        .section-header--center { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
        .section-tag {
            display: inline-block; padding: 6px 16px; border-radius: 50px;
            font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
            background: rgba(232, 84, 30, 0.1); color: var(--primary); margin-bottom: 14px;
        }
        .section-title { font-size: 30px; font-weight: 800; line-height: 1.3; margin-bottom: 14px; color: var(--text); }
        .section-desc { font-size: 15px; color: var(--text-light); line-height: 1.8; max-width: 680px; }
        .section-header--center .section-desc { margin-left: auto; margin-right: auto; }
        .section--bg-dark .section-title, .section--bg-accent .section-title { color: #fff; }
        .section--bg-dark .section-desc, .section--bg-accent .section-desc { color: rgba(255,255,255,0.78); }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 13px 28px; border-radius: 50px; font-size: 14px; font-weight: 700;
            border: none; text-decoration: none; transition: var(--transition); letter-spacing: 0.3px;
            white-space: nowrap; cursor: pointer;
        }
        .btn:focus { outline: 3px solid rgba(232, 84, 30, 0.35); outline-offset: 2px; }
        .btn--primary { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; box-shadow: 0 6px 20px rgba(232, 84, 30, 0.3); }
        .btn--primary:hover { background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(232, 84, 30, 0.4); }
        .btn--primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(232, 84, 30, 0.25); }
        .btn--outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn--outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn--white { background: #fff; color: var(--primary); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
        .btn--white:hover { background: var(--accent); color: var(--secondary); transform: translateY(-2px); }
        .btn--ghost { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
        .btn--ghost:hover { background: rgba(255,255,255,0.25); color: #fff; }
        .btn--dark { background: var(--secondary); color: #fff; }
        .btn--dark:hover { background: #2A2A44; color: #fff; transform: translateY(-2px); }
        .btn--sm { padding: 9px 18px; font-size: 13px; }
        .btn--lg { padding: 16px 36px; font-size: 16px; }
        /* Header */
        .site-header { position: sticky; top: 0; z-index: 1000; background: var(--surface); box-shadow: 0 1px 0 var(--border); }
        .brand-row { padding: 14px 0; background: var(--surface); }
        .brand-row .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--secondary); text-decoration: none; flex-shrink: 0; }
        .logo-icon { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; flex-shrink: 0; }
        .logo:hover { color: var(--primary); }
        .brand-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .search-form { display: flex; align-items: center; background: var(--bg); border-radius: 50px; padding: 4px 4px 4px 16px; border: 1px solid var(--border); min-width: 220px; }
        .search-form input { border: none; background: transparent; padding: 7px 8px; font-size: 13px; outline: none; width: 100%; color: var(--text); }
        .search-form input::placeholder { color: var(--text-muted); }
        .search-form button { border: none; background: var(--primary); color: #fff; border-radius: 50px; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
        .search-form button:hover { background: var(--primary-dark); }
        .channel-row { background: var(--secondary); padding: 0; }
        .channel-row .container { display: flex; align-items: center; }
        .channel-list { display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.2) transparent; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
        .channel-list::-webkit-scrollbar { height: 4px; }
        .channel-list::-webkit-scrollbar-track { background: transparent; }
        .channel-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }
        .channel-list li { flex-shrink: 0; }
        .channel-list a {
            display: flex; align-items: center; gap: 6px; padding: 12px 18px;
            color: rgba(255,255,255,0.72); font-size: 13px; font-weight: 600;
            text-decoration: none; border-bottom: 3px solid transparent; transition: var(--transition); white-space: nowrap;
        }
        .channel-list a:hover { color: #fff; background: rgba(255,255,255,0.06); }
        .channel-list a.active { color: #fff; border-bottom-color: var(--accent); background: rgba(255,255,255,0.06); }
        .channel-list a i { font-size: 12px; }
        .mobile-menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; padding: 6px; }
        /* Hero */
        .hero {
            position: relative; padding: 80px 0 90px; background: var(--secondary); color: #fff;
            overflow: hidden; min-height: 620px; display: flex; align-items: center;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0; z-index: 1;
            background-image: linear-gradient(180deg, rgba(26,26,46,0.72) 0%, rgba(26,26,46,0.6) 50%, rgba(26,26,46,0.88) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover; background-position: center;
        }
        .hero::after {
            content: ''; position: absolute; inset: 0; z-index: 2;
            background: radial-gradient(ellipse at 30% 70%, rgba(232,84,30,0.25) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 30%, rgba(255,184,0,0.12) 0%, transparent 45%);
        }
        .hero .container { position: relative; z-index: 3; }
        .hero-content { max-width: 780px; }
        .hero-brand {
            display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px;
            background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.22);
            border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 22px;
            color: var(--accent-light); backdrop-filter: blur(10px);
        }
        .hero-brand i { font-size: 14px; }
        .hero h1 {
            font-size: 44px; font-weight: 900; line-height: 1.18; margin-bottom: 20px; color: #fff; letter-spacing: -0.5px;
        }
        .hero-desc { font-size: 16px; color: rgba(255,255,255,0.82); line-height: 1.85; margin-bottom: 28px; max-width: 680px; }
        .hero-points { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
        .hero-point {
            display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px;
            background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
            border-radius: 50px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.9);
            backdrop-filter: blur(8px);
        }
        .hero-point i { color: var(--accent); font-size: 13px; }
        .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
        .hero-trust { display: flex; flex-wrap: wrap; gap: 26px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.15); }
        .trust-item { display: flex; align-items: center; gap: 9px; font-size: 13px; color: rgba(255,255,255,0.7); font-weight: 500; }
        .trust-item i { color: var(--accent); font-size: 14px; }
        .hero-badges { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
        .badge-card {
            background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
            border-radius: var(--radius-md); padding: 14px 20px; text-align: center; min-width: 110px;
            backdrop-filter: blur(10px); transition: var(--transition);
        }
        .badge-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
        .badge-number { font-size: 26px; font-weight: 800; color: var(--accent); display: block; }
        .badge-label { font-size: 12px; color: rgba(255,255,255,0.65); font-weight: 500; margin-top: 2px; }
        /* Entry Matrix / Tag Cloud */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
        .tag-item {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px;
            background: var(--surface); border: 1px solid var(--border); border-radius: 50px;
            font-size: 14px; font-weight: 600; color: var(--text); text-decoration: none;
            transition: var(--transition); box-shadow: var(--shadow-sm);
        }
        .tag-item:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .tag-item i { color: var(--primary); font-size: 14px; }
        .tag-item .tag-count { background: var(--bg); color: var(--text-muted); font-size: 11px; padding: 2px 8px; border-radius: 50px; font-weight: 500; }
        .tag-item:hover .tag-count { background: rgba(232,84,30,0.1); color: var(--primary); }
        /* Milestone */
        .milestone-timeline { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; }
        .milestone-item {
            flex: 1 1 200px; background: var(--surface); border-radius: var(--radius-md);
            padding: 26px 22px; border-left: 4px solid var(--primary); box-shadow: var(--shadow-sm);
            transition: var(--transition); position: relative;
        }
        .milestone-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .milestone-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 19px; margin-bottom: 16px; }
        .milestone-icon--orange { background: rgba(232,84,30,0.1); color: var(--primary); }
        .milestone-icon--green { background: rgba(0,180,120,0.1); color: #00B478; }
        .milestone-icon--gold { background: rgba(255,184,0,0.12); color: #B8860B; }
        .milestone-icon--blue { background: rgba(30,120,255,0.1); color: #1E78FF; }
        .milestone-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
        .milestone-item p { font-size: 13px; color: var(--text-light); line-height: 1.7; margin: 0; }
        .milestone-number { font-size: 28px; font-weight: 800; color: var(--primary); display: block; margin-bottom: 6px; }
        /* News Section */
        .news-layout { display: grid; grid-template-columns: 1fr 340px; gap: 28px; }
        .news-list { display: flex; flex-direction: column; gap: 0; }
        .news-item {
            display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border);
            align-items: flex-start; transition: var(--transition);
        }
        .news-item:hover { padding-left: 6px; }
        .news-item:last-child { border-bottom: none; }
        .news-index {
            font-size: 22px; font-weight: 800; color: var(--border-strong); min-width: 42px;
            line-height: 1.3; flex-shrink: 0;
        }
        .news-info { flex: 1; min-width: 0; }
        .news-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; line-height: 1.5; }
        .news-info h3 a { color: var(--text); text-decoration: none; transition: var(--transition); }
        .news-info h3 a:hover { color: var(--primary); }
        .news-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--text-muted); }
        .news-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .news-meta i { font-size: 11px; }
        .news-sidebar { display: flex; flex-direction: column; gap: 20px; }
        .sidebar-card {
            background: var(--surface); border-radius: var(--radius-md); padding: 22px;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border);
        }
        .sidebar-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; color: var(--text); }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-featured { display: flex; flex-direction: column; gap: 14px; }
        .sidebar-featured-item { display: flex; gap: 12px; align-items: center; }
        .sidebar-featured-item img { width: 72px; height: 52px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
        .sidebar-featured-item span { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; }
        .sidebar-featured-item:hover span { color: var(--primary); }
        /* Nearby */
        .nearby-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
        .nearby-card {
            background: var(--surface); border-radius: var(--radius-md); overflow: hidden;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition);
        }
        .nearby-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
        .nearby-card img { width: 100%; height: 170px; object-fit: cover; }
        .nearby-card-body { padding: 18px 20px; }
        .nearby-card-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
        .nearby-card-body h3 a { color: var(--text); }
        .nearby-card-body h3 a:hover { color: var(--primary); }
        .nearby-card-body p { font-size: 13px; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
        .nearby-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--text-muted); }
        .nearby-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .nearby-meta .rating { color: var(--accent); font-weight: 700; }
        .nearby-meta .rating i { color: var(--accent); }
        /* Media Scoop */
        .media-scroll { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
        .media-scroll::-webkit-scrollbar { height: 6px; }
        .media-scroll::-webkit-scrollbar-track { background: var(--bg); border-radius: 10px; }
        .media-scroll::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
        .media-card {
            flex: 0 0 300px; scroll-snap-align: start; background: var(--surface);
            border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .media-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .media-thumb { position: relative; height: 175px; }
        .media-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .media-type {
            position: absolute; top: 12px; left: 12px; padding: 5px 12px; border-radius: 50px;
            font-size: 11px; font-weight: 700; color: #fff; background: rgba(26,26,46,0.72); backdrop-filter: blur(6px);
            display: inline-flex; align-items: center; gap: 5px;
        }
        .media-type--video { background: rgba(232,84,30,0.85); }
        .media-type--article { background: rgba(30,120,255,0.8); }
        .media-type--topic { background: rgba(0,180,120,0.8); }
        .media-card-body { padding: 16px 18px 18px; }
        .media-card-body h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; line-height: 1.5; }
        .media-card-body h3 a { color: var(--text); }
        .media-card-body h3 a:hover { color: var(--primary); }
        .media-card-body p { font-size: 12px; color: var(--text-muted); margin: 0; }
        /* Security */
        .security-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
        .security-item {
            background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md); padding: 26px 22px; transition: var(--transition);
        }
        .security-item:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
        .security-item i { font-size: 26px; color: var(--accent); margin-bottom: 14px; display: block; }
        .security-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: #fff; }
        .security-item p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.7; margin: 0; }
        /* App Download */
        .app-section { background: var(--secondary); position: relative; overflow: hidden; }
        .app-section::before {
            content: ''; position: absolute; inset: 0; z-index: 0;
            background-image: linear-gradient(120deg, rgba(26,26,46,0.95) 0%, rgba(26,26,46,0.78) 60%, rgba(232,84,30,0.45) 100%);
        }
        .app-section .container { position: relative; z-index: 1; }
        .app-layout { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
        .app-info { flex: 1; min-width: 280px; }
        .app-info h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .app-info p { color: rgba(255,255,255,0.78); font-size: 15px; line-height: 1.8; margin-bottom: 24px; }
        .app-features { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
        .app-feature {
            display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px;
            background: rgba(255,255,255,0.08); border-radius: 50px; font-size: 12px; color: rgba(255,255,255,0.82);
            font-weight: 500;
        }
        .app-feature i { color: var(--accent); }
        .app-download-btns { display: flex; flex-wrap: wrap; gap: 14px; }
        /* Price Compare */
        .price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
        .price-card {
            background: var(--surface); border-radius: var(--radius-lg); padding: 32px 28px;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition);
            position: relative;
        }
        .price-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
        .price-card--featured { border: 2px solid var(--primary); box-shadow: var(--shadow-xl); }
        .price-card--featured .price-badge {
            position: absolute; top: -12px; right: 22px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff; font-size: 11px; font-weight: 700; padding: 4px 14px; border-radius: 50px;
        }
        .price-name { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
        .price-amount { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
        .price-amount span { font-size: 15px; font-weight: 500; color: var(--text-muted); }
        .price-card p { font-size: 13px; color: var(--text-light); margin-bottom: 18px; }
        .price-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
        .price-features li { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 8px; }
        .price-features li i { color: #00B478; font-size: 13px; }
        .price-features li i.fa-xmark { color: var(--text-muted); }
        /* Invite / Referral */
        .invite-section { background: linear-gradient(135deg, #1A1A2E 0%, #2A1F3D 100%); position: relative; overflow: hidden; }
        .invite-section::before {
            content: ''; position: absolute; inset: 0; z-index: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(232,84,30,0.2) 0%, transparent 50%),
                        radial-gradient(ellipse at 85% 20%, rgba(255,184,0,0.12) 0%, transparent 45%);
        }
        .invite-section .container { position: relative; z-index: 1; }
        .invite-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
        .invite-left h2 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 14px; }
        .invite-left p { color: rgba(255,255,255,0.72); font-size: 14px; line-height: 1.8; margin-bottom: 20px; }
        .invite-rewards { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
        .invite-reward {
            display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
            background: rgba(255,255,255,0.08); border-radius: 50px; font-size: 12px;
            color: rgba(255,255,255,0.82); font-weight: 600;
        }
        .invite-reward i { color: var(--accent); }
        .progress-wrap { margin-bottom: 20px; }
        .progress-label { display: flex; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 8px; font-weight: 500; }
        .progress-label span strong { color: var(--accent); font-size: 16px; }
        .progress-bar-bg { height: 10px; background: rgba(255,255,255,0.1); border-radius: 50px; overflow: hidden; }
        .progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%); border-radius: 50px; transition: width 0.6s ease; }
        .share-guide { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
        .share-btn {
            display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px;
            border-radius: 50px; font-size: 13px; font-weight: 600; border: 1px solid rgba(255,255,255,0.18);
            color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.05); transition: var(--transition);
        }
        .share-btn:hover { background: rgba(255,255,255,0.12); color: #fff; transform: translateY(-2px); }
        .share-btn i { font-size: 15px; }
        .share-btn--wechat i { color: #07C160; }
        .share-btn--qq i { color: #12B7F5; }
        .share-btn--weibo i { color: #E6162D; }
        .invite-right { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 26px; }
        .invite-right h3 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
        .invite-right h3 i { color: var(--accent); }
        .rank-list { display: flex; flex-direction: column; gap: 10px; }
        .rank-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: rgba(255,255,255,0.05); border-radius: 12px; transition: var(--transition); }
        .rank-item:hover { background: rgba(255,255,255,0.09); }
        .rank-number { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; flex-shrink: 0; }
        .rank-number--1 { background: linear-gradient(135deg, #FFD700, #FFA500); color: #1A1A2E; }
        .rank-number--2 { background: linear-gradient(135deg, #C0C0C0, #A9A9A9); color: #1A1A2E; }
        .rank-number--3 { background: linear-gradient(135deg, #CD7F32, #B8722A); color: #fff; }
        .rank-number--other { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
        .rank-avatar { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 700; flex-shrink: 0; }
        .rank-info { flex: 1; min-width: 0; }
        .rank-name { font-size: 13px; font-weight: 600; color: #fff; }
        .rank-count { font-size: 11px; color: rgba(255,255,255,0.55); }
        .rank-score { font-size: 14px; font-weight: 700; color: var(--accent); flex-shrink: 0; }
        /* Collection */
        .collection-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
        .collection-card {
            background: var(--surface); border-radius: var(--radius-md); overflow: hidden;
            box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition);
            position: relative;
        }
        .collection-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
        .collection-card img { width: 100%; height: 150px; object-fit: cover; }
        .collection-card-body { padding: 18px 20px; }
        .collection-card-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
        .collection-card-body h3 a { color: var(--text); }
        .collection-card-body h3 a:hover { color: var(--primary); }
        .collection-card-body p { font-size: 13px; color: var(--text-light); margin-bottom: 10px; }
        .collection-meta { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
        .collection-meta i { color: var(--primary); }
        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
        .faq-item:last-child { border-bottom: none; }
        .faq-question {
            font-size: 16px; font-weight: 700; color: var(--text); cursor: pointer;
            display: flex; align-items: center; justify-content: space-between; gap: 14px;
            transition: var(--transition); background: none; border: none; text-align: left; width: 100%; padding: 0;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { font-size: 14px; color: var(--text-muted); transition: var(--transition); flex-shrink: 0; }
        .faq-question.open i { transform: rotate(180deg); color: var(--primary); }
        .faq-answer { display: none; padding-top: 12px; font-size: 14px; color: var(--text-light); line-height: 1.8; }
        .faq-answer.open { display: block; }
        /* Bottom CTA */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl); padding: 48px 40px; text-align: center; position: relative; overflow: hidden;
        }
        .cta-banner::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 20% 40%, rgba(255,255,255,0.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 85% 70%, rgba(255,184,0,0.14) 0%, transparent 45%);
        }
        .cta-banner .container { position: relative; z-index: 1; }
        .cta-banner h2 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-banner p { color: rgba(255,255,255,0.82); font-size: 15px; max-width: 560px; margin: 0 auto 26px; line-height: 1.7; }
        .cta-banner .hero-ctas { justify-content: center; margin-bottom: 0; }
        /* Footer */
        .site-footer { background: var(--secondary); color: rgba(255,255,255,0.7); padding: 56px 0 0; }
        .footer-layout { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.1); }
        .footer-brand .logo { color: #fff; margin-bottom: 14px; font-size: 18px; }
        .footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 300px; }
        .footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul a { font-size: 13px; color: rgba(255,255,255,0.6); text-decoration: none; transition: var(--transition); }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom { padding: 20px 0; text-align: center; font-size: 12px; color: rgba(255,255,255,0.45); }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--accent); }
        /* Mobile Menu */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 36px; }
            .news-layout { grid-template-columns: 1fr; }
            .invite-layout { grid-template-columns: 1fr; }
            .footer-layout { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .hero { padding: 56px 0 70px; min-height: auto; }
            .hero h1 { font-size: 28px; }
            .hero-desc { font-size: 14px; }
            .hero-points { gap: 8px; }
            .hero-point { font-size: 12px; padding: 7px 12px; }
            .hero-badges { gap: 10px; }
            .badge-card { min-width: 90px; padding: 10px 14px; }
            .badge-number { font-size: 20px; }
            .brand-row .container { flex-wrap: wrap; gap: 10px; }
            .brand-actions { width: 100%; }
            .search-form { min-width: 100%; }
            .channel-list a { padding: 10px 14px; font-size: 12px; }
            .section-title { font-size: 23px; }
            .milestone-timeline { gap: 14px; }
            .milestone-item { padding: 20px 16px; }
            .footer-layout { grid-template-columns: 1fr; gap: 24px; }
            .cta-banner { padding: 32px 20px; }
            .cta-banner h2 { font-size: 22px; }
            .app-layout { gap: 24px; }
            .app-info h2 { font-size: 23px; }
            .price-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 23px; }
            .hero-desc { font-size: 13px; }
            .hero-ctas { width: 100%; flex-direction: column; }
            .hero-ctas .btn { width: 100%; }
            .hero-trust { gap: 14px; }
            .trust-item { font-size: 12px; }
            .section-title { font-size: 20px; }
            .nearby-grid, .collection-grid, .security-grid, .price-grid { grid-template-columns: 1fr; }
            .media-card { flex: 0 0 260px; }
            .tag-item { font-size: 12px; padding: 10px 16px; }
            .news-index { font-size: 18px; min-width: 30px; }
            .news-info h3 { font-size: 14px; }
        }