*{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,body{font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;color:#0f172a;background:#f6f9ff;line-height:1.75;}
    :root{
        --blue:#2563eb;
        --dark:#1e3a8a;
        --cyan:#06b6d4;
        --ink:#0f172a;
        --muted:#5b6b82;
        --line:#e2e8f0;
        --bg:#f6f9ff;
    }
    a{text-decoration:none;color:inherit;}
    img{max-width:100%;display:block;}
    .wrap{max-width:1180px;margin:0 auto;padding:0 20px;}
    /* header */
    header{position:sticky;top:0;z-index:99;background:linear-gradient(90deg,#1e3a8a 0%,#2563eb 60%,#06b6d4 100%);box-shadow:0 4px 18px rgba(30,58,138,.22);}
    .nav-bar{max-width:1180px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.15rem;letter-spacing:.5px;}
    .brand .dot{width:12px;height:12px;border-radius:50%;background:#06b6d4;box-shadow:0 0 0 4px rgba(6,182,212,.28);}
    .nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
    .nav-links a{color:#e8f1ff;font-size:.92rem;padding:8px 12px;border-radius:8px;transition:.25s;font-weight:500;}
    .nav-links a:hover{background:rgba(255,255,255,.16);color:#fff;}
    /* hero */
    .hero{position:relative;background:radial-gradient(circle at 82% 18%,rgba(6,182,212,.35),transparent 46%),linear-gradient(135deg,#1e3a8a 0%,#2563eb 55%,#1e40af 100%);color:#fff;padding:72px 0 84px;overflow:hidden;}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
    .hero h1{font-size:2.35rem;line-height:1.32;font-weight:800;letter-spacing:.5px;margin-bottom:18px;}
    .hero h1 span{color:#67e8f9;}
    .hero p.lead{font-size:1.03rem;color:#d6e4ff;max-width:620px;}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
    .hero-tags span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);padding:7px 15px;border-radius:999px;font-size:.85rem;color:#eaf3ff;}
    .hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
    .btn{display:inline-block;padding:13px 28px;border-radius:10px;font-weight:700;font-size:.95rem;transition:.25s;}
    .btn-main{background:#06b6d4;color:#02222b;box-shadow:0 10px 24px rgba(6,182,212,.34);}
    .btn-main:hover{background:#22d3ee;transform:translateY(-2px);}
    .btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;}
    .btn-ghost:hover{background:rgba(255,255,255,.14);}
    .hero-img{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.3);box-shadow:0 22px 50px rgba(3,15,45,.42);}
    .hero-img img{width:100%;height:100%;object-fit:cover;}
    /* section common */
    section{padding:64px 0;}
    .sec-head{text-align:center;max-width:760px;margin:0 auto 40px;}
    .sec-head h2{font-size:1.75rem;color:var(--dark);font-weight:800;letter-spacing:.4px;}
    .sec-head h2::after{content:"";display:block;width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,#2563eb,#06b6d4);margin:14px auto 0;}
    .sec-head p{margin-top:14px;color:var(--muted);font-size:.95rem;}
    /* geo intro */
    .geo-box{background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:14px;padding:32px 34px;box-shadow:0 10px 30px rgba(37,99,235,.07);}
    .geo-box p{color:#31425c;font-size:1rem;margin-bottom:14px;}
    .geo-box p:last-child{margin-bottom:0;}
    .geo-box strong{color:var(--blue);}
    /* stats */
    .stats{background:linear-gradient(120deg,#1e3a8a,#2563eb);color:#fff;}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
    .stat-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:26px 20px;text-align:center;backdrop-filter:blur(3px);}
    .stat-card .num{font-size:1.9rem;font-weight:800;color:#67e8f9;letter-spacing:.5px;}
    .stat-card .lbl{margin-top:8px;font-size:.9rem;color:#dbe8ff;}
    /* advantages */
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
    .adv-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 24px;box-shadow:0 8px 22px rgba(15,23,42,.05);transition:.25s;}
    .adv-card:hover{transform:translateY(-4px);border-color:#bfdbfe;box-shadow:0 16px 32px rgba(37,99,235,.13);}
    .adv-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:linear-gradient(135deg,#dbeafe,#cffafe);border:1px solid #bfdbfe;}
    .adv-card h3{margin:16px 0 10px;font-size:1.08rem;color:var(--dark);}
    .adv-card p{font-size:.92rem;color:var(--muted);}
    /* story */
    .story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;}
    .story-img{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px rgba(30,58,138,.12);}
    .story-text h2{font-size:1.6rem;color:var(--dark);margin-bottom:16px;font-weight:800;}
    .story-text p{color:#3c4d67;font-size:.96rem;margin-bottom:14px;}
    .story-points{list-style:none;margin-top:8px;display:grid;gap:10px;}
    .story-points li{position:relative;padding-left:26px;font-size:.93rem;color:#334155;}
    .story-points li::before{content:"✔";position:absolute;left:0;top:0;color:var(--cyan);font-weight:700;}
    /* game recommend */
    .game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .game-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 8px 22px rgba(15,23,42,.05);transition:.25s;}
    .game-card:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(37,99,235,.14);}
    .game-card .thumb{height:172px;overflow:hidden;background:#eef4ff;}
    .game-card .thumb img{width:100%;height:100%;object-fit:cover;}
    .game-card .body{padding:20px 20px 24px;}
    .game-card h3{font-size:1.05rem;color:var(--dark);margin-bottom:8px;}
    .game-card p{font-size:.9rem;color:var(--muted);}
    .chip{display:inline-block;margin-top:14px;font-size:.78rem;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;border-radius:999px;padding:4px 12px;}
    /* news */
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .news-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 8px 20px rgba(15,23,42,.05);display:flex;flex-direction:column;transition:.25s;}
    .news-card:hover{border-color:#bfdbfe;box-shadow:0 16px 32px rgba(37,99,235,.12);transform:translateY(-3px);}
    .news-card h3{font-size:1.02rem;color:var(--dark);line-height:1.55;margin-bottom:10px;}
    .news-meta{display:flex;align-items:center;gap:10px;font-size:.8rem;color:#64748b;margin-bottom:12px;}
    .news-meta .tag{background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe;border-radius:999px;padding:2px 10px;font-weight:600;}
    .news-card p{font-size:.9rem;color:#475569;flex:1;}
    /* faq */
    .faq-list{display:grid;gap:16px;max-width:940px;margin:0 auto;}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 24px;box-shadow:0 6px 18px rgba(15,23,42,.04);}
    .faq-item h3{font-size:1rem;color:var(--dark);margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
    .faq-item h3 .q{color:#fff;background:linear-gradient(135deg,#2563eb,#06b6d4);width:24px;height:24px;flex:0 0 24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;}
    .faq-item p{font-size:.92rem;color:#3f5069;padding-left:34px;}
    /* cta */
    .cta{background:radial-gradient(circle at 15% 20%,rgba(6,182,212,.3),transparent 45%),linear-gradient(120deg,#1e3a8a,#2563eb 70%,#0891b2);color:#fff;text-align:center;}
    .cta h2{font-size:1.8rem;font-weight:800;margin-bottom:16px;}
    .cta p{max-width:720px;margin:0 auto 28px;color:#d8e6ff;font-size:.98rem;}
    /* footer */
    footer{background:#0b1b3a;color:#b9c9e4;padding:52px 0 22px;font-size:.9rem;}
    .foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12);}
    .foot-grid h4{color:#fff;font-size:1rem;margin-bottom:14px;font-weight:700;}
    .foot-grid p{margin-bottom:8px;line-height:1.8;}
    .foot-grid a{color:#b9c9e4;transition:.2s;}
    .foot-grid a:hover{color:#67e8f9;}
    .foot-links{list-style:none;display:grid;gap:9px;}
    .foot-bottom{padding-top:20px;text-align:center;font-size:.84rem;color:#8ea3c4;line-height:2;}
    @media(max-width:980px){
        .hero-grid,.story-grid{grid-template-columns:1fr;}
        .stats-grid{grid-template-columns:repeat(2,1fr);}
        .adv-grid,.game-grid,.news-grid{grid-template-columns:1fr 1fr;}
        .foot-grid{grid-template-columns:1fr 1fr;}
    }
    @media(max-width:640px){
        .hero h1{font-size:1.7rem;}
        .adv-grid,.game-grid,.news-grid,.stats-grid,.foot-grid{grid-template-columns:1fr;}
        section{padding:46px 0;}
    }