:root{--ink:#eaf3ef;--mint:#84f9cc;--bg:#070d0b;--mut:#8ea39b;--line:rgba(255,255,255,.08)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:860px;margin:0 auto;padding:0 24px}
header{padding:16px 0;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(7,13,11,.92);backdrop-filter:blur(10px);z-index:20}
header .wrap{display:flex;align-items:center;gap:22px}
header a{flex:0 0 auto;display:block}
header img{height:24px;width:98px;object-fit:contain}
header nav{margin-left:auto;display:flex;gap:20px;font-size:13px;color:#c8d8d1}
header nav a:hover{color:var(--mint)}
main{padding:44px 0 72px}
.crumb{font-size:12px;color:#6f837b;margin-bottom:18px}
.crumb a:hover{color:var(--mint)}
h1{font-size:clamp(25px,3.6vw,38px);line-height:1.32;font-weight:800;letter-spacing:-.5px}
.lead{color:#b9cbc4;margin-top:16px;font-size:16px}
.actions{display:flex;gap:12px;margin:26px 0 6px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;border-radius:999px;background:var(--mint);color:#04231a;font-weight:700;font-size:15px}
.btn.ghost{background:transparent;border:1px solid rgba(132,249,204,.3);color:var(--ink)}
.btn img{width:18px;height:18px}
h2{font-size:21px;margin:44px 0 12px;font-weight:700}
h2::before{content:"";display:inline-block;width:4px;height:17px;background:var(--mint);margin-right:10px;vertical-align:-2px;border-radius:2px}
h3{font-size:16px;margin:20px 0 6px}
p{color:#b9cbc4;margin:10px 0}
ul,ol{color:#b9cbc4;padding-left:22px}
li{margin:7px 0}
strong{color:#e8f4ee}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
td,th{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}
th{color:#d9e7e1;font-weight:600}
td:first-child{color:var(--mut);width:34%}
.note{background:rgba(132,249,204,.06);border-left:3px solid var(--mint);padding:12px 16px;border-radius:6px;margin:16px 0;font-size:14px;color:#b9cbc4}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600;list-style:none;color:#e8f4ee}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--mint);margin-right:10px}
.faq details[open] summary::before{content:"－"}
.faq p{margin:10px 0 0 24px;font-size:15px}
.rel{margin-top:52px;padding-top:22px;border-top:1px solid var(--line)}
.rel h2{margin-top:0}
.rel ul{list-style:none;padding:0}
.rel li{padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.06)}
.rel a{color:var(--mint)}
footer{padding:26px 0;border-top:1px solid var(--line);font-size:12px;color:#6f837b}
footer a{color:#9db3aa}
@media(max-width:640px){header nav{display:none}}