:root{
    --cream:#fff8ea;
    --cream-2:#fffdf7;
    --navy:#16213e;
    --navy-2:#26345d;
    --orange:#ff9f43;
    --orange-2:#ffbf69;
    --purple:#b8a7ff;
    --purple-2:#efe9ff;
    --pink:#ffdde8;
    --green:#d8f5e5;
    --text:#263044;
    --muted:#6d7488;
    --line:#e8dfce;
    --card:#ffffff;
    --shadow:0 18px 50px rgba(22,33,62,.12);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
    color:var(--text);
    background:
        radial-gradient(circle at 10% 5%,rgba(255,159,67,.16),transparent 30%),
        radial-gradient(circle at 88% 15%,rgba(184,167,255,.22),transparent 34%),
        linear-gradient(180deg,var(--cream),#fffaf0 45%,#f9f7ff);
    line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{
    position:sticky;
    top:0;
    z-index:30;
    background:rgba(255,248,234,.88);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(232,223,206,.75);
}
.topbar{
    max-width:1180px;
    margin:auto;
    padding:14px 20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--navy)}
.brand-mark{
    width:46px;height:46px;border-radius:16px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--navy),#304b8d);
    color:#fff;
    box-shadow:0 10px 24px rgba(22,33,62,.2);
}
.brand-text{font-size:22px;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{
    padding:9px 13px;
    border-radius:999px;
    color:var(--navy-2);
    font-size:15px;
    transition:.2s ease;
}
.main-nav a:hover,.main-nav a.active{background:var(--navy);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;border:0;background:var(--navy);color:#fff;border-radius:12px;padding:8px 12px;font-size:20px}
.container{max-width:1180px;margin:auto;padding:0 20px}
.section{padding:76px 0}
.section.tight{padding:44px 0}
.eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 12px;
    border:1px solid rgba(22,33,62,.12);
    background:rgba(255,255,255,.7);
    border-radius:999px;
    color:var(--navy);
    font-weight:800;
    font-size:14px;
}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
h1,h2,h3{line-height:1.25;color:var(--navy);margin:0 0 14px}
h1{font-size:clamp(40px,6vw,72px);letter-spacing:-1.8px}
h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.8px}
h3{font-size:22px}
p{margin:0 0 16px}.lead{font-size:20px;color:#46516b;max-width:720px}.muted{color:var(--muted)}
.hero{padding:72px 0 42px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(340px,.98fr);gap:44px;align-items:center}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 20px;
    border-radius:16px;
    border:1px solid rgba(22,33,62,.12);
    background:#fff;
    color:var(--navy);
    font-weight:800;
    box-shadow:0 10px 24px rgba(22,33,62,.08);
    transition:.2s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn.orange{background:linear-gradient(135deg,var(--orange),var(--orange-2));border:0;color:#3b2500}
.hero-card{
    position:relative;
    border-radius:36px;
    padding:22px;
    background:rgba(255,255,255,.75);
    border:1px solid rgba(255,255,255,.8);
    box-shadow:var(--shadow);
}
.hero-card:before{content:"";position:absolute;inset:20px -14px -12px 32px;background:var(--purple-2);border-radius:36px;z-index:-1}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.stat{border-radius:22px;background:#fff;padding:16px;border:1px solid var(--line);text-align:center}
.stat strong{display:block;color:var(--navy);font-size:24px}.stat span{font-size:13px;color:var(--muted)}
.notice{padding:14px 16px;border-radius:18px;background:#fff6dd;border:1px solid #ffdf9d;color:#6b4b08;font-size:14px}
.grid{display:grid;gap:22px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
    background:rgba(255,255,255,.86);
    border:1px solid rgba(232,223,206,.85);
    border-radius:var(--radius);
    padding:22px;
    box-shadow:0 12px 34px rgba(22,33,62,.08);
    transition:.2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card-media{border-radius:22px;overflow:hidden;margin-bottom:16px;background:var(--purple-2)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 14px}.tag{font-size:13px;padding:5px 10px;border-radius:999px;background:var(--purple-2);color:#514293;font-weight:700}.tag.orange{background:#fff0d4;color:#8a5200}.tag.green{background:var(--green);color:#206447}.tag.blue{background:#e9f0ff;color:#2b4785}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:14px;margin-top:14px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:999px;background:#f7f1e7;color:var(--navy);font-weight:800;font-size:13px}
.icon-btn{border:0;border-radius:999px;background:var(--navy);color:#fff;padding:8px 12px;cursor:pointer;font-weight:800}
.topic-card{display:flex;gap:16px;align-items:flex-start}.topic-number{width:46px;height:46px;border-radius:16px;background:var(--orange);display:grid;place-items:center;color:#352000;font-weight:900;flex:0 0 auto}.topic-card h3{margin-top:2px}
.score{display:flex;align-items:center;gap:8px;color:#8a5200;font-weight:900}.stars{letter-spacing:2px;color:#ff9f0a}
.avatar-row{display:flex;align-items:center;gap:10px}.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--purple),#fff);border:2px solid #fff;box-shadow:0 6px 16px rgba(22,33,62,.12)}
.comment{position:relative;padding-left:18px}.comment:before{content:"“";position:absolute;left:0;top:-10px;color:var(--orange);font-size:36px;font-weight:900}.bubble{background:#f9f6ff;border:1px solid #e7ddff;border-radius:20px;padding:16px}
.feed-item{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:22px;background:#fff;border:1px solid var(--line)}.feed-item + .feed-item{margin-top:12px}.feed-item p{margin-bottom:8px}.feed-actions{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.kicker-box{background:linear-gradient(135deg,var(--navy),#2b3b6a);color:#fff;border-radius:34px;padding:28px;box-shadow:var(--shadow)}.kicker-box h2,.kicker-box h3{color:#fff}.kicker-box .btn{box-shadow:none}.kicker-box p{color:#e9ecff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.feature-list{display:grid;gap:14px}.feature{display:flex;gap:12px;align-items:flex-start}.feature i{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--orange);font-style:normal;color:#3a2500;font-weight:900;flex:0 0 auto}
.timeline{position:relative;display:grid;gap:16px}.timeline:before{content:"";position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:#eadfcc}.step{position:relative;padding-left:54px}.step:before{content:"";position:absolute;left:9px;top:5px;width:20px;height:20px;border-radius:50%;background:var(--navy);border:5px solid var(--cream)}
.table-like{display:grid;gap:12px}.rank-row{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}.rank-no{width:42px;height:42px;border-radius:14px;background:#fff0d4;display:grid;place-items:center;font-weight:900;color:#7d4a00}
.faq{display:grid;gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:20px;padding:17px 18px}.faq summary{cursor:pointer;font-weight:900;color:var(--navy)}.faq p{margin:12px 0 0;color:var(--muted)}
.form-card form{display:grid;gap:14px}.field{display:grid;gap:7px}.field label{font-weight:800;color:var(--navy)}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font:inherit;background:#fff;color:var(--text)}.field textarea{min-height:138px;resize:vertical}.form-hint{font-size:13px;color:var(--muted)}
.page-hero{padding:66px 0 34px}.page-hero .lead{max-width:840px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--navy);font-weight:800}
.site-footer{margin-top:50px;background:var(--navy);color:#dfe5ff;padding:54px 20px 34px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.3fr .8fr 1fr 1fr;gap:28px}.site-footer h3{color:#fff;font-size:18px}.site-footer a{display:block;color:#dfe5ff;margin:8px 0}.site-footer p{color:#c7cdec;font-size:14px}.footer-logo{font-weight:900;color:#fff;font-size:24px;margin-bottom:12px}.footer-logo span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:14px;background:var(--orange);color:#241500;margin-right:8px}
.mini-note{font-size:13px;color:var(--muted);margin-top:8px}.domain-chip{display:inline-flex;align-items:center;padding:9px 13px;border-radius:999px;background:#f2ebff;color:#4f3e92;font-weight:900;word-break:break-all}.content-flow p{margin-bottom:18px}.content-flow ul{padding-left:20px}.content-flow li{margin-bottom:10px}.video-shell{position:relative;min-height:220px;border-radius:24px;background:linear-gradient(135deg,#151f3d,#34477c);overflow:hidden;color:#fff;padding:22px;display:flex;flex-direction:column;justify-content:flex-end}.play-dot{position:absolute;inset:0;margin:auto;width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.88);display:grid;place-items:center;color:var(--navy);font-weight:900}.play-dot:before{content:"▶";transform:translateX(2px)}
@media (max-width:960px){
    .hero-grid,.split{grid-template-columns:1fr}.grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.hero-card:before{display:none}
}
@media (max-width:720px){
    .topbar{align-items:flex-start}.nav-toggle{display:inline-flex}.main-nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-top:10px}.main-nav.open{display:flex}.topbar{flex-wrap:wrap}.main-nav a{background:#fff}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.stat-row{grid-template-columns:1fr}.section{padding:52px 0}.hero{padding:44px 0 24px}.footer-grid{grid-template-columns:1fr}.rank-row{grid-template-columns:42px 1fr}.rank-row .score{grid-column:2}.page-hero{padding-top:46px}
}