*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}.w{max-width:1100px;margin:0 auto;padding:0 20px}
.ban{background:#0a1220;color:#cbd5e1;font-size:12.5px;text-align:center;padding:9px 12px}
.ban a{color:#00e5ff;font-weight:600;margin-left:8px}
header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--bd);z-index:10}
.nv{display:flex;justify-content:space-between;align-items:center;height:68px}
.lg{font-weight:800;font-size:20px;color:var(--ac)}
.nv nav{display:flex;gap:22px;font-size:14px}.nv nav a:hover{color:var(--ac)}
.b{display:inline-block;background:var(--ac);color:#fff;padding:12px 24px;border-radius:var(--r);font-weight:600;font-size:14px}
.b2{background:transparent;color:var(--ink);border:1.5px solid var(--bd)}
.hero{padding:80px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:46px;line-height:1.1;font-weight:800}.hero h1 em{color:var(--ac);font-style:normal}
.hero p{margin:18px 0 28px;color:var(--mu);max-width:480px}.hero .bt{display:flex;gap:12px;flex-wrap:wrap}
.art{height:360px;border-radius:24px;background:var(--grad);display:grid;place-items:center;font-size:110px}
section{padding:64px 0}.alt{background:var(--bg2)}
h2{font-size:32px;font-weight:800;text-align:center}.sb{text-align:center;color:var(--mu);margin:8px auto 36px;max-width:560px}
.g{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.c{background:var(--cd);border:1px solid var(--bd);border-radius:var(--r);padding:24px}
.c .i{font-size:30px}.c h3{margin-top:10px;font-size:17px}.c p{color:var(--mu);font-size:14px;margin-top:4px}
.c .p{margin-top:12px;font-weight:700;color:var(--ac)}
.row{display:flex;justify-content:space-between;border-bottom:1px dashed var(--bd);padding:12px 0}.row b{color:var(--ac)}
.box{max-width:640px;margin:0 auto}
form{display:grid;gap:12px;max-width:520px;margin:0 auto}
input,textarea,select{padding:13px 16px;border:1px solid var(--bd);border-radius:var(--r);font:inherit;background:#fff;width:100%}
.ft{background:#0a1220;color:#94a3b8;text-align:center;padding:28px 12px;font-size:13px}
.wa{position:fixed;right:18px;bottom:18px;background:#25d366;color:#fff;padding:13px 20px;border-radius:99px;font-weight:600;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
@media(max-width:800px){.hero{grid-template-columns:1fr;padding:48px 0}.hero h1{font-size:32px}.g{grid-template-columns:1fr}.art{height:220px;font-size:70px}.nv nav{display:none}}