* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    }
    html { scroll-behavior: smooth; }
    body {
        background: linear-gradient(180deg, #f8fafc 0%, #e0f2fe 45%, #f0f9ff 75%, #f8fafc 100%);
        color: #0f172a;
        line-height: 1.75;
        font-size: 16px;
        overflow-x: hidden;
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
    img { max-width: 100%; height: auto; display: block; border-radius: 16px; }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(148, 163, 184, 0.25);
        box-shadow: 0 4px 30px rgba(56, 189, 248, 0.07);
    }
    .header-inner {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
        padding: 0 24px;
    }
    .logo {
        font-size: 24px;
        font-weight: 700;
        color: #0284c7;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: 1px;
    }
    .logo span { font-size: 22px; }
    .nav-links { display: flex; align-items: center; gap: 30px; }
    .nav-links a {
        text-decoration: none;
        color: #334155;
        font-size: 15px;
        font-weight: 500;
        transition: color 0.3s ease;
    }
    .nav-links a:hover { color: #0284c7; }

    /* Section common */
    section { padding: 72px 0; position: relative; }
    .section-title {
        text-align: center;
        font-size: 32px;
        font-weight: 700;
        color: #0f172a;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }
    .section-subtitle {
        text-align: center;
        color: #64748b;
        margin-bottom: 46px;
        font-size: 15px;
        max-width: 720px;
        margin-left: auto;
        margin-right: auto;
    }
    .section-title::before { content: "❄️ "; }
    .section-title::after { content: " ❄️"; }

    /* Hero */
    .hero {
        padding: 88px 0 72px;
        background: radial-gradient(ellipse at 20% 20%, rgba(125, 211, 252, 0.18) 0%, transparent 50%),
                    radial-gradient(ellipse at 80% 70%, rgba(56, 189, 248, 0.12) 0%, transparent 40%);
    }
    .hero-inner {
        display: flex;
        align-items: center;
        gap: 60px;
        flex-wrap: wrap;
    }
    .hero-text { flex: 1 1 520px; }
    .hero-text h1 {
        font-size: 38px;
        line-height: 1.35;
        font-weight: 700;
        color: #0f172a;
        margin-bottom: 22px;
        letter-spacing: 1px;
    }
    .hero-desc {
        color: #475569;
        font-size: 16px;
        margin-bottom: 34px;
        text-align: justify;
    }
    .hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
    .btn-primary {
        display: inline-block;
        padding: 12px 28px;
        border-radius: 12px;
        background: linear-gradient(135deg, #38bdf8, #0284c7);
        color: #fff;
        font-weight: 600;
        text-decoration: none;
        font-size: 15px;
        border: none;
        box-shadow: 0 8px 24px rgba(2, 132, 199, 0.25);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(2, 132, 199, 0.35); }
    .btn-outline {
        display: inline-block;
        padding: 12px 28px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.7);
        color: #0f172a;
        font-weight: 600;
        text-decoration: none;
        font-size: 15px;
        border: 1px solid rgba(203, 213, 225, 0.9);
        transition: all 0.3s;
    }
    .btn-outline:hover { border-color: #38bdf8; color: #0284c7; box-shadow: 0 6px 20px rgba(56, 189, 248, 0.15); }
    .hero-visual { flex: 1 1 380px; }
    .hero-visual img {
        border-radius: 24px;
        box-shadow: 0 20px 60px rgba(2, 132, 199, 0.18);
        border: 1px solid rgba(255, 255, 255, 0.6);
    }

    /* Stats */
    .stats-section {
        background: rgba(255, 255, 255, 0.5);
        backdrop-filter: blur(10px);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .stat-card {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 20px;
        padding: 28px 20px;
        text-align: center;
        box-shadow: 0 8px 32px rgba(148, 163, 184, 0.12);
        transition: transform 0.3s, box-shadow 0.3s;
        backdrop-filter: blur(12px);
    }
    .stat-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(56, 189, 248, 0.2); }
    .stat-icon { font-size: 36px; margin-bottom: 10px; }
    .stat-num { font-size: 34px; font-weight: 700; color: #0284c7; line-height: 1.3; }
    .stat-label { font-size: 14px; color: #64748b; margin-top: 6px; }
    .stat-card img { width: 56px; height: 56px; margin: 0 auto 10px; object-fit: contain; }

    /* Advantages */
    .adv-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .adv-card {
        background: linear-gradient(160deg, rgba(255,255,255,0.92), rgba(224, 242, 254, 0.72));
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 20px;
        padding: 30px 24px;
        text-align: center;
        box-shadow: 0 10px 36px rgba(56, 189, 248, 0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .adv-card:hover { transform: translateY(-6px) rotate(0.5deg); box-shadow: 0 18px 44px rgba(56, 189, 248, 0.18); }
    .adv-icon { font-size: 42px; margin-bottom: 14px; display: block; }
    .adv-card h3 { font-size: 18px; font-weight: 700; color: #0f172a; margin-bottom: 10px; }
    .adv-card p { font-size: 14px; color: #64748b; line-height: 1.7; }

    /* Features */
    .features-section { background: rgba(240, 249, 255, 0.42); }
    .feat-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .feat-card {
        background: rgba(255, 255, 255, 0.75);
        border: 1px solid rgba(255, 255, 255, 0.85);
        border-radius: 20px;
        padding: 28px;display: flex;
        gap: 18px;
        align-items: flex-start;
        box-shadow: 0 8px 28px rgba(148, 163, 184, 0.1);
        transition: all 0.3s;
    }
    .feat-card:hover { box-shadow: 0 14px 40px rgba(56, 189, 248, 0.18); transform: translateY(-4px); }
    .feat-icon { font-size: 34px; flex-shrink: 0; }
    .feat-card h3 { font-size: 17px; font-weight: 700; color: #0f172a; margin-bottom: 6px; }
    .feat-card p { font-size: 14px; color: #64748b; line-height: 1.7; }

    /* Live scores */
    .match-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .match-card {
        background: rgba(255, 255, 255, 0.82);
        border: 1px solid rgba(255, 255, 255, 0.85);
        border-radius: 18px;
        padding: 20px 24px;
        display: flex;
        align-items: center;
        gap: 16px;
        box-shadow: 0 6px 24px rgba(148, 163, 184, 0.1);
        transition: all 0.3s;
    }
    .match-card:hover { box-shadow: 0 12px 36px rgba(56, 189, 248, 0.18); transform: translateX(4px); }
    .match-icon { font-size: 30px; flex-shrink: 0; }
    .match-info { flex: 1; }
    .match-game { font-size: 12px; color: #94a3b8; text-transform: uppercase; letter-spacing: 1px; }
    .match-teams { font-size: 16px; font-weight: 600; color: #0f172a; margin: 2px 0; }
    .match-status { font-size: 13px; color: #0284c7; font-weight: 600; }
    .match-status.live::before { content: "● "; color: #ef4444; animation: pulse 1.5s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

    /* News */
    .news-section { background: rgba(240, 249, 255, 0.5); }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .news-card {
        background: rgba(255, 255, 255, 0.86);
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 20px;
        padding: 28px;
        box-shadow: 0 10px 36px rgba(148, 163, 184, 0.12);
        transition: all 0.3s;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .news-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(56, 189, 248, 0.16); }
    .news-card:first-child { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 28px; }
    .news-card:first-child .news-img-warp { flex: 0 0 360px; }
    .news-card:first-child .news-content { flex: 1; }
    .news-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .news-date {
        background: linear-gradient(135deg, #e0f2fe, #bae6fd);
        color: #0369a1;
        font-size: 13px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 20px;
        letter-spacing: 0.5px;
    }
    .news-tag {
        background: rgba(255, 255, 255, 0.8);
        color: #475569;
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 20px;
        border: 1px solid #e2e8f0;
    }
    .news-card h3 { font-size: 18px; font-weight: 700; color: #0f172a; line-height: 1.5; }
    .news-card p { font-size: 14px; color: #475569; line-height: 1.75; text-align: justify; }
    .news-img-warp { flex-shrink: 0; }
    .news-img-warp img { width: 100%; height: auto; border-radius: 14px; object-fit: cover; }
    .news-card:not(:first-child) .news-img-warp img { max-height: 140px; width: 100%; }

    /* Brand story */
    .story-inner {
        display: flex;
        align-items: center;
        gap: 60px;
        flex-wrap: wrap;
    }
    .story-text { flex: 1 1 480px; }
    .story-text h2 { font-size: 30px; font-weight: 700; color: #0f172a; margin-bottom: 18px; }
    .story-text p { color: #475569; margin-bottom: 16px; text-align: justify; }
    .story-img { flex: 1 1 360px; }
    .story-img img { border-radius: 24px; box-shadow: 0 20px 60px rgba(56, 189, 248, 0.16); }

    /* Download */
    .download-section {
        background: linear-gradient(150deg, rgba(56, 189, 248, 0.08), rgba(255, 255, 255, 0.5));
    }
    .dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .dl-card {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 20px;
        padding: 34px 28px;
        text-align: center;
        box-shadow: 0 10px 32px rgba(148, 163, 184, 0.12);
        transition: all 0.3s;
    }
    .dl-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(56, 189, 248, 0.18); }
    .dl-card img { width: 80px; height: 80px; margin: 0 auto 16px; object-fit: contain; border-radius: 18px; }
    .dl-card h3 { font-size: 18px; font-weight: 700; color: #0f172a; margin-bottom: 8px; }
    .dl-card p { font-size: 14px; color: #64748b; margin-bottom: 16px; }
    .dl-link {
        display: inline-block;
        padding: 9px 22px;
        border-radius: 20px;
        background: linear-gradient(135deg, #7dd3fc, #38bdf8);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.3s;
    }
    .dl-link:hover { box-shadow: 0 8px 20px rgba(56, 189, 248, 0.35); transform: translateY(-2px); }

    /* Deep content */
    .deep-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .deep-card {
        background: rgba(255, 255, 255, 0.78);
        border: 1px solid rgba(255, 255, 255, 0.85);
        border-radius: 18px;
        padding: 26px;
        box-shadow: 0 8px 24px rgba(148, 163, 184, 0.1);
        transition: all 0.3s;
    }
    .deep-card:hover { box-shadow: 0 14px 36px rgba(56, 189, 248, 0.16); transform: translateY(-4px); }
    .deep-card h3 { font-size: 17px; font-weight: 700; color: #0f172a; margin-bottom: 8px; }
    .deep-card p { font-size: 14px; color: #64748b; line-height: 1.75; text-align: justify; }
    .deep-card img { margin-top: 14px; border-radius: 14px; max-height: 200px; width: 100%; object-fit: cover; }

    /* Testimonials */
    .testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .testi-card {
        background: rgba(255, 255, 255, 0.82);
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 18px;
        padding: 26px;
        box-shadow: 0 8px 24px rgba(148, 163, 184, 0.1);
        transition: all 0.3s;
    }
    .testi-card:hover { transform: translateY(-4px); }
    .testi-stars { color: #fbbf24; font-size: 16px; margin-bottom: 10px; }
    .testi-card blockquote { font-size: 14px; color: #475569; line-height: 1.75; margin-bottom: 14px; font-style: italic; }
    .testi-card cite { font-size: 13px; font-style: normal; color: #94a3b8; display: block; }

    /* FAQ */
    .faq-list { max-width: 880px; margin: 0 auto; }
    .faq-item {
        background: rgba(255, 255, 255, 0.82);
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 16px;
        margin-bottom: 16px;
        padding: 24px 28px;
        box-shadow: 0 6px 20px rgba(148, 163, 184, 0.1);
        transition: all 0.3s;
    }
    .faq-item:hover { box-shadow: 0 12px 32px rgba(56, 189, 248, 0.14); }
    .faq-item h3 { font-size: 16px; font-weight: 700; color: #0f172a; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
    .faq-item h3::before { content: "❄️"; font-size: 18px; }
    .faq-item p { font-size: 14px; color: #475569; line-height: 1.8; text-align: justify; }

    /* Footer */
    .site-footer {
        background: rgba(15, 23, 42, 0.96);
        color: #cbd5e1;
        padding: 56px 0 0;
        border-top: 1px solid rgba(148, 163, 184, 0.2);
    }
    .footer-inner {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px 40px;
    }
    .footer-brand .footer-logo-text { font-size: 22px; font-weight: 700; color: #f1f5f9; margin-bottom: 12px; }
    .footer-brand p { font-size: 14px; color: #94a3b8; line-height: 1.7; }
    .footer-col h4 { font-size: 16px; font-weight: 700; color: #f1f5f9; margin-bottom: 14px; }
    .footer-col p { font-size: 14px; color: #94a3b8; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
    .footer-col a { color: #94a3b8; text-decoration: none; font-size: 14px; display: block; margin-bottom: 6px; transition: color 0.3s; }
    .footer-col a:hover { color: #7dd3fc; }
    .footer-bottom {
        border-top: 1px solid rgba(148, 163, 184, 0.15);
        padding: 20px 24px;
        text-align: center;
        font-size: 13px;
        color: #64748b;
    }
    .footer-bottom p { margin-bottom: 4px; }
    .footer-bottom a { color: #7dd3fc; text-decoration: none; margin: 0 6px; }
    .footer-bottom a:hover { text-decoration: underline; }

    /* Responsive */
    @media (max-width: 960px) {
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .adv-grid { grid-template-columns: repeat(2, 1fr); }
        .feat-grid { grid-template-columns: repeat(2, 1fr); }
        .match-list { grid-template-columns: 1fr; }
        .news-grid { grid-template-columns: 1fr; }
        .news-card:first-child { flex-direction: column; }
        .dl-grid { grid-template-columns: 1fr; }
        .deep-grid { grid-template-columns: 1fr; }
        .testi-grid { grid-template-columns: 1fr; }
        .footer-inner { grid-template-columns: 1fr; }
        .nav-links { gap: 14px; }
        .nav-links a { font-size: 13px; }
        .hero-text h1 { font-size: 28px; }
    }
    @media (max-width: 640px) {
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
        .adv-grid { grid-template-columns: 1fr; }
        .feat-grid { grid-template-columns: 1fr; }
    }