:root{--lime:#b4f500;--navy:#101c3a;--ink:#0d1330;--yellow:#ffd84d;--coral:#ff6b57;--bg:#eef3e8;--card:#ffffff;--muted:#6b7283;}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.site-head{background:var(--navy);color:#fff;border-bottom:6px solid var(--lime)}
.head-in{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;letter-spacing:.5px}
.brand .mark{width:40px;height:40px;border-radius:12px;background:var(--lime);color:var(--navy);display:grid;place-items:center;font-size:22px;font-weight:900}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{padding:8px 14px;border-radius:999px;font-size:15px;color:#dbe4ff}
nav.main a:hover{background:rgba(255,255,255,.12);color:#fff}
.hero{background:linear-gradient(135deg,#101c3a 0%,#20315e 60%,#2c4480 100%);color:#fff;padding:78px 0 90px;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:46px;line-height:1.25;margin-bottom:18px;font-weight:900}
.hero h1 b{color:var(--lime)}
.hero p.lead{font-size:19px;max-width:640px;color:#cdd7f5;margin-bottom:30px}
.hero .badge{display:inline-block;background:var(--yellow);color:var(--navy);font-weight:800;padding:5px 14px;border-radius:999px;font-size:13px;margin-bottom:18px}
.btn{display:inline-block;background:var(--lime);color:var(--navy);font-weight:800;padding:14px 26px;border-radius:14px;font-size:17px;box-shadow:0 8px 24px rgba(180,245,0,.35)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;border:1px solid rgba(255,255,255,.3);margin-left:12px}
.hero-glow{position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,#b4f50044,transparent 65%)}
section{padding:64px 0}
.sec-tag{display:inline-block;font-weight:800;color:var(--coral);letter-spacing:2px;font-size:13px;text-transform:uppercase;margin-bottom:8px}
h2{font-size:32px;line-height:1.3;margin-bottom:14px;font-weight:900}
.sub{color:var(--muted);max-width:700px;margin-bottom:34px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border-radius:18px;padding:24px;border:1px solid #e4e9dc;box-shadow:0 4px 16px rgba(16,28,58,.06)}
.card .ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:24px;margin-bottom:14px}
.card h3{margin-bottom:8px;font-size:18px}
.card p{color:var(--muted);font-size:14.5px}
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.mock{background:var(--navy);border-radius:22px;padding:26px;color:#fff}
.room{background:#1b2a52;border-radius:14px;padding:12px;margin-bottom:12px;display:flex;gap:10px;align-items:center}
.room .av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--yellow);color:var(--navy)}
.room .av.o{background:var(--coral);color:#fff}
.room .av.g{background:var(--lime);color:var(--navy)}
.room .nm{font-size:14px}
.room .go{margin-left:auto;font-size:12px;color:var(--lime);font-weight:700}
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}
.tbl th,.tbl td{padding:13px 16px;border-bottom:1px solid #eee;text-align:left;font-size:14.5px}
.tbl th{background:var(--navy);color:#fff;font-weight:700}
.faq-item{background:#fff;border-radius:14px;padding:20px 22px;margin-bottom:14px;border:1px solid #e4e9dc}
.faq-item h3{font-size:17px;margin-bottom:6px;color:var(--navy)}
.faq-item p{color:var(--muted)}
.note{background:var(--yellow);color:var(--navy);border-radius:16px;padding:22px 24px;font-weight:600}
.steps{display:grid;gap:16px}
.step{display:flex;gap:16px;background:#fff;border-radius:16px;padding:18px 20px;border:1px solid #e4e9dc}
.step .n{width:40px;height:40px;flex:none;border-radius:50%;background:var(--navy);color:var(--lime);display:grid;place-items:center;font-weight:900}
.site-foot{background:var(--navy);color:#aab4d6;padding:36px 0;font-size:13.5px}
.site-foot .frow{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.site-foot a{color:#d7def8}
.site-foot .copy{font-size:12.5px;color:#7480a8}
@media(max-width:820px){
 .head-in{flex-direction:column;gap:12px;align-items:flex-start}
 nav.main{width:100%}
 .hero h1{font-size:34px}
 .hero{padding:56px 0 66px}
 h2{font-size:26px}
 .two{grid-template-columns:1fr}
 .btn.ghost{margin-left:0;margin-top:10px}
 .hero .btn{display:block;text-align:center}
}
@media(max-width:430px){ .hero h1{font-size:28px}.wrap{padding:0 16px} }