:root{--bg:#0D132D;--panel:#141F4D;--white:#FFFFFF;--gray:#D9DEE8;--amber:#FFBD00;--red:#B50000}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--white);font-family:"Noto Sans CJK SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;font-size:17px}
a{color:inherit}
.serif{font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
/* header */
.hd{border-bottom:1px solid rgba(217,222,232,.18);position:sticky;top:0;background:rgba(13,19,45,.96);z-index:10}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{width:38px;height:38px;outline:1px solid rgba(217,222,232,.3)}
.brand span{font-family:"Noto Serif CJK SC",serif;font-weight:700;font-size:20px;letter-spacing:2px;white-space:nowrap}
.nav{display:flex;gap:26px;font-size:15px}
.nav a{text-decoration:none;color:var(--gray);padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav a:hover,.nav a.on{color:var(--white);border-bottom-color:var(--amber)}
.btn{display:inline-block;background:var(--amber);color:var(--bg);font-weight:700;text-decoration:none;padding:10px 22px;letter-spacing:2px;white-space:nowrap}
.btn.lg{font-size:20px;padding:14px 34px}
.btn.ghost{background:transparent;color:var(--amber);border:1px solid var(--amber)}
/* hero */
.hero{padding:76px 0 64px;border-bottom:1px solid rgba(217,222,232,.14)}
.pre{display:inline-block;background:var(--red);color:#fff;font-weight:700;letter-spacing:3px;padding:6px 16px;font-size:16px}
.hero h1{font-family:"Noto Serif CJK SC",serif;font-weight:900;font-size:76px;line-height:1.2;letter-spacing:4px;margin:26px 0 12px}
.hero h1 i{font-style:normal;color:var(--amber)}
.hero .sub{color:var(--amber);font-size:24px;letter-spacing:1px}
.hero .quote{font-family:"Noto Serif CJK SC",serif;font-size:30px;margin:28px 0 8px;letter-spacing:3px}
.hero .host{color:var(--gray);font-size:17px}
.hero .cta{margin-top:34px;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero .cta small{color:var(--gray);font-size:14px}
/* sections */
.sec{padding:60px 0;border-bottom:1px solid rgba(217,222,232,.14)}
.k{font-size:15px;letter-spacing:5px;color:var(--amber);margin-bottom:14px}
h2{font-family:"Noto Serif CJK SC",serif;font-size:36px;letter-spacing:2px;margin-bottom:24px;line-height:1.35}
.panel{background:var(--panel);border-left:4px solid var(--amber);padding:30px 34px}
.benefit{font-family:"Noto Serif CJK SC",serif;font-size:34px;font-weight:600;letter-spacing:2px}
.benefit i{font-style:normal;color:var(--amber);margin:0 12px}
.grid{display:grid;gap:18px}
.g5{grid-template-columns:repeat(5,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid rgba(217,222,232,.35);padding:22px 20px;background:rgba(20,31,77,.35)}
.card h3{font-size:21px;margin-bottom:8px;letter-spacing:1px}
.card p{color:var(--gray);font-size:15px}
.tag{display:inline-block;background:var(--panel);color:var(--gray);padding:6px 14px;margin:0 10px 10px 0;font-size:17px}
.aud li{list-style:none;font-size:22px;padding:14px 0;border-bottom:1px solid rgba(217,222,232,.14)}
.aud li:before{content:"";display:inline-block;width:10px;height:10px;background:var(--amber);margin-right:16px;vertical-align:middle}
.price{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.price .big{font-family:"EB Garamond",Georgia,serif;font-size:96px;color:var(--amber);line-height:1;font-weight:600}
.price .row{font-size:20px;color:var(--gray)}
.price .row b{color:var(--white)}
.open{display:inline-block;background:var(--amber);color:var(--bg);font-weight:700;font-size:22px;letter-spacing:3px;padding:10px 24px;margin-top:18px}
/* tables & lists */
.note{background:rgba(181,0,0,.15);border:1px solid rgba(181,0,0,.6);color:var(--gray);padding:12px 16px;font-size:14px;margin-bottom:22px}
table{width:100%;border-collapse:collapse;font-size:16px}
th,td{text-align:left;padding:14px 12px;border-bottom:1px solid rgba(217,222,232,.18);vertical-align:top}
th{color:var(--amber);font-weight:500;letter-spacing:2px;font-size:14px;background:var(--panel)}
td.muted,.muted{color:rgba(217,222,232,.6)}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border:1px solid rgba(217,222,232,.5);color:var(--gray);margin-left:8px;vertical-align:2px;letter-spacing:1px}
.badge.ex{border-color:var(--red);color:#ff8a8a}
.badge.lock{border-color:var(--amber);color:var(--amber)}
.list li{list-style:none;border-bottom:1px solid rgba(217,222,232,.14);padding:20px 0;display:flex;justify-content:space-between;gap:20px;align-items:baseline}
.list li .t{font-size:19px}
.list li .d{color:var(--gray);font-size:14px;white-space:nowrap}
.list li.locked .t{color:rgba(255,255,255,.75)}
.prose p{font-size:18px;margin-bottom:18px;color:#EEF1F6;max-width:780px}
.prose p.q{font-family:"Noto Serif CJK SC",serif;font-size:26px;color:var(--white);letter-spacing:2px;margin-top:30px}
/* footer */
.ft{padding:44px 0 50px;color:var(--gray);font-size:14px}
.ft .disc{border-top:1px solid rgba(217,222,232,.25);padding-top:22px;line-height:1.8}
.ft .sign{display:flex;justify-content:space-between;align-items:center;margin-top:24px;gap:20px;flex-wrap:wrap}
.ft .sign img{height:52px;width:auto;margin-left:-16px}
.ft .sign .co{text-align:right;line-height:1.8}
.ft .sign .co small{display:block;font-family:"EB Garamond",Georgia,serif;font-size:13px;color:rgba(217,222,232,.6)}
/* mobile */
@media (max-width:900px){
 .g5{grid-template-columns:repeat(2,1fr)} .g4,.g3{grid-template-columns:repeat(2,1fr)}
 .nav{display:none}
 .hero h1{font-size:46px;letter-spacing:2px}
 .hero .sub{font-size:19px} .hero .quote{font-size:23px}
 .benefit{font-size:24px} .benefit i{margin:0 6px}
 h2{font-size:28px}
}
@media (max-width:560px){
 body{font-size:16px}
 .wrap{padding:0 20px}
 .hd .wrap{height:62px}
 .brand span{font-size:17px}
 .btn{padding:8px 14px;letter-spacing:1px}
 .hero{padding:44px 0 40px}
 .hero h1{font-size:36px}
 .benefit{font-size:20px;line-height:1.9}
 .g5,.g4,.g3,.g2{grid-template-columns:1fr}
 .price .big{font-size:72px}
 .aud li{font-size:18px}
 .list li{flex-direction:column;gap:4px}
 table{font-size:14px} th,td{padding:10px 8px}
 .ft .sign .co{text-align:left}
 .mnav{display:flex}
}
.mnav{display:none;gap:16px;overflow-x:auto;padding:10px 20px;border-top:1px solid rgba(217,222,232,.12);font-size:14px}
.mnav a{text-decoration:none;color:var(--gray);white-space:nowrap}
.mnav a.on{color:var(--amber)}
@media (max-width:900px){.mnav{display:flex}}
.nw,.benefit span{white-space:nowrap;display:inline-block}
.open.line{background:transparent;color:var(--amber);border:1px solid var(--amber)}
@media (max-width:560px){.g5{grid-template-columns:repeat(2,1fr)} .g5 .card{padding:16px 14px} .card h3{font-size:18px}}