:root{
    --blue:#8fd3ff;
    --blue-deep:#2979b8;
    --cream:#fff6d6;
    --orange:#ffb36b;
    --orange-soft:#ffe1bd;
    --white:#ffffff;
    --ink:#243447;
    --muted:#66788a;
    --line:#e9f3fb;
    --green:#9bd7ba;
    --shadow:0 18px 45px rgba(52,99,137,.14);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color:var(--ink);
    background:linear-gradient(180deg,#f7fcff 0%, #fffaf0 45%, #ffffff 100%);
    line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1160px,92vw);margin:0 auto}
.site-header{
    position:sticky;top:0;z-index:20;
    background:rgba(255,255,255,.86);
    backdrop-filter:saturate(160%) blur(14px);
    border-bottom:1px solid rgba(143,211,255,.28);
}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue-deep)}
.logo-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cream));box-shadow:var(--shadow);color:#1f6fa5}
.logo-text{font-size:24px;letter-spacing:.03em}
.main-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.main-nav a{padding:10px 14px;border-radius:999px;color:#31506b;font-size:15px}
.main-nav a:hover,.main-nav a.active{background:#eaf7ff;color:#1c70a6}
.nav-toggle{display:none;border:0;background:var(--blue);color:#fff;border-radius:14px;padding:10px 13px;font-size:22px}
.hero{position:relative;overflow:hidden;padding:80px 0 54px}
.hero:before{content:"";position:absolute;inset:-120px -80px auto auto;width:420px;height:420px;background:radial-gradient(circle,var(--cream),rgba(255,246,214,0));z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--blue-deep);font-weight:700;font-size:14px}
h1{font-size:clamp(34px,5vw,62px);line-height:1.13;margin:18px 0 18px;letter-spacing:-.03em}
h2{font-size:clamp(26px,3.4vw,42px);line-height:1.22;margin:0 0 14px;letter-spacing:-.02em}
h3{font-size:22px;margin:0 0 10px;line-height:1.35}
p{margin:0;color:var(--muted)}
.lead{font-size:18px;color:#4d657a;max-width:670px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 20px;border-radius:999px;font-weight:800;box-shadow:0 12px 25px rgba(41,121,184,.12)}
.btn.primary{background:linear-gradient(135deg,var(--blue),#67c4f5);color:#fff}
.btn.secondary{background:#fff;color:var(--blue-deep);border:1px solid var(--line)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:640px}
.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 10px 25px rgba(52,99,137,.08)}
.stat strong{display:block;color:#245b83;font-size:20px}
.stat span{font-size:13px;color:var(--muted)}
.hero-card{position:relative;border-radius:var(--radius);background:#fff;border:1px solid var(--line);padding:18px;box-shadow:var(--shadow)}
.hero-card:after{content:"";position:absolute;right:20px;bottom:20px;width:88px;height:88px;border-radius:26px;background:linear-gradient(135deg,var(--orange-soft),rgba(255,255,255,.2));z-index:0}
.hero-card img{position:relative;z-index:1;border-radius:22px}
.section{padding:64px 0}
.section.soft{background:linear-gradient(180deg,rgba(234,247,255,.8),rgba(255,250,240,.55))}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:28px}
.section-head p{max-width:620px}
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 14px 35px rgba(52,99,137,.08)}
.card.tint{background:linear-gradient(145deg,#ffffff,#f1faff)}
.card.cream{background:linear-gradient(145deg,#fffdf5,#fff4d5)}
.card.orange{background:linear-gradient(145deg,#fff,#ffe5c7)}
.card img{border-radius:20px;margin-bottom:16px;background:#fff}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0}
.tag{display:inline-flex;align-items:center;border-radius:999px;background:#eef8ff;color:#2b719e;padding:5px 10px;font-size:13px;font-weight:700}
.tag.orange{background:#fff1e1;color:#b46320}
.tag.green{background:#eaf8f0;color:#387953}
.feature-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;color:#466174}
.feature-list li:before{content:"✓";flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e7f8ff;color:#1e85bc;font-weight:900;font-size:13px}
.timeline{display:grid;gap:16px}
.step{display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px}
.step-num{width:58px;height:58px;border-radius:20px;background:linear-gradient(135deg,var(--blue),var(--cream));display:grid;place-items:center;color:#236995;font-weight:900;font-size:20px}
.media-card{overflow:hidden;padding:0}
.media-card .media-thumb{aspect-ratio:16/10;background:#f5fbff;display:grid;place-items:center;padding:18px}
.media-card .media-body{padding:20px}
.play-chip{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:#2f729c;font-weight:800;font-size:13px;margin-bottom:10px}
.quote{position:relative;padding-left:28px}
.quote:before{content:"“";position:absolute;left:0;top:-8px;font-size:44px;line-height:1;color:var(--orange)}
.faq{display:grid;gap:14px}
details{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 20px;box-shadow:0 8px 25px rgba(52,99,137,.06)}
summary{cursor:pointer;font-weight:800;color:#294962}
details p{margin-top:10px}
.cta{background:linear-gradient(135deg,#eaf8ff,#fff3ce);border-radius:36px;padding:34px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;box-shadow:var(--shadow)}
.breadcrumb{font-size:14px;color:#6f8595;margin-bottom:20px}
.breadcrumb a{color:var(--blue-deep)}
.sub-hero{padding:58px 0 36px;background:linear-gradient(135deg,#f2fbff,#fff7df)}
.sub-hero .lead{max-width:760px}
.table-like{display:grid;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff}
.table-row{display:grid;grid-template-columns:1fr 1.2fr 1.4fr;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}
.table-row:last-child{border-bottom:0}
.table-row strong{color:#315b79}
.form{display:grid;gap:14px}
.form label{display:grid;gap:8px;font-weight:800;color:#31506b}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 15px;font:inherit;color:var(--ink);background:#fff}
.form textarea{min-height:128px;resize:vertical}
.form-note{padding:12px 14px;border-radius:16px;background:#eef8ff;color:#2b719e;display:none}
.form-note.show{display:block}
.site-footer{padding:46px 0 24px;background:#20384d;color:#fff;margin-top:54px}
.site-footer p{color:#d2e2ee;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:28px}
.footer-brand{font-weight:900;font-size:24px;color:#fff}
.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#c7d8e5;font-size:14px}
.icon-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.icon-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:#31506b;font-weight:800}
.mini-icon{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--cream));display:inline-grid;place-items:center;color:#2270a2;font-size:14px}
.notice{background:#fff9e8;border:1px solid #ffe3a6;border-radius:20px;padding:16px;color:#6b5427}
@media (max-width: 920px){
    .hero-grid,.grid.two,.grid.three,.grid.four,.footer-grid,.cta{grid-template-columns:1fr}
    .section-head{display:block}
    .hero{padding-top:50px}
    .hero-stats{grid-template-columns:1fr}
    .table-row{grid-template-columns:1fr}
}
@media (max-width: 760px){
    .nav-toggle{display:inline-grid;place-items:center}
    .main-nav{position:absolute;left:4vw;right:4vw;top:78px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px;display:none;align-items:stretch}
    .main-nav.open{display:grid}
    .main-nav a{padding:12px 14px}
    .nav-wrap{height:72px}
    .section{padding:46px 0}
    .card{padding:20px}
    .cta{padding:24px}
}

.mt-14{margin-top:14px}