:root{--bg:#0f0d0a;--panel:#17140f;--panel2:#1d1913;--line:#3a3122;--gold:#e8c36b;--gold2:#c9962e;--text:#f3ede2;--muted:#a69d8c;--ok:#5fc48a;--warn:#e8a64a;--err:#e86a5a;--r:14px}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--gold);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:rgba(15,13,10,.9);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
header.top .wrap{display:flex;align-items:center;gap:20px;height:60px}
.logo{font-weight:800;font-size:18px;color:var(--text)}.logo b{color:var(--gold)}
nav.main{display:flex;gap:16px;flex:1;overflow-x:auto;white-space:nowrap}nav.main a{color:var(--muted)}nav.main a.on,nav.main a:hover{color:var(--gold);text-decoration:none}
.right{display:flex;gap:10px;align-items:center;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer;font-size:14px;font-weight:600}
.btn:hover{border-color:var(--gold2);text-decoration:none}
.btn.gold{background:linear-gradient(135deg,#f0d17f,#c9962e);color:#231a08;border:0}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.sm{padding:5px 12px;font-size:13px}.btn.danger{border-color:#6a2f28;color:var(--err)}
.card{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--r);padding:22px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.g2,.g3,.g4{grid-template-columns:1fr}header.top .wrap{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:8px;gap:8px 16px}.right{margin-left:auto}nav.main{order:3;width:100%;flex:none}}
.hero{padding:56px 0 28px}.hero h1{font-size:44px;line-height:1.15;margin:0 0 10px}.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{color:var(--muted);font-size:17px;margin:0}
@media(max-width:820px){.hero h1{font-size:30px}}
.section{margin:28px 0}.section h2{font-size:22px;margin:0 0 14px}
.muted{color:var(--muted)}.small{font-size:13px}.gold{color:var(--gold)}
.price{font-size:30px;font-weight:800;color:var(--gold)}.price small{font-size:14px;color:var(--muted);font-weight:400}
.strike{text-decoration:line-through;color:var(--muted);font-size:14px;margin-left:6px}
.tag{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;border:1px solid var(--line);color:var(--muted)}
.tag.gold{border-color:var(--gold2);color:var(--gold)}.tag.ok{border-color:#2c5c40;color:var(--ok)}.tag.warn{border-color:#6b4c22;color:var(--warn)}.tag.err{border-color:#6a2f28;color:var(--err)}
.bar{height:10px;border-radius:99px;background:#2b261d;overflow:hidden;margin:16px 0 8px}.bar>i{display:block;height:100%;background:linear-gradient(90deg,#c9962e,#f0d17f)}
.ticks{display:flex;justify-content:space-between;color:var(--muted);font-size:14px}
.entry{display:flex;align-items:center;gap:16px;padding:20px}.entry .ico{font-size:28px;color:var(--gold)}.entry b{display:block;color:var(--gold);font-size:18px}.entry span{color:var(--muted);font-size:14px}.entry .go{margin-left:auto;color:var(--gold)}
table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-weight:500;font-size:13px}
.tbl-wrap{overflow-x:auto}
.hl{background:rgba(232,195,107,.08)}
form.f label{display:block;margin:12px 0 4px;color:var(--muted);font-size:13px}
input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#120f0b;color:var(--text);font:inherit}
textarea{min-height:110px;font-family:ui-monospace,Menlo,monospace;font-size:13px}
input[type=checkbox]{width:auto}
.flash{padding:12px 16px;border-radius:10px;margin:16px 0;border:1px solid var(--line)}.flash.ok{border-color:#2c5c40;color:var(--ok)}.flash.warn{border-color:#6b4c22;color:var(--warn)}.flash.error{border-color:#6a2f28;color:var(--err)}
.codes{background:#0b0907;border:1px dashed var(--gold2);border-radius:10px;padding:14px;font-family:ui-monospace,Menlo,monospace;white-space:pre-wrap;word-break:break-all}
.tutorial ol{padding-left:20px}
.notice{border:1px solid #6b4c22;background:rgba(232,166,74,.07);border-radius:10px;padding:10px 14px;color:var(--warn);font-size:14px}
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px 0;color:var(--muted);font-size:13px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.sp{flex:1}
.qr{max-width:200px;border-radius:10px;background:#fff;padding:6px}
.stat b{display:block;font-size:26px;color:var(--gold)}.stat span{color:var(--muted);font-size:13px}
.admin-nav{display:flex;gap:6px;margin:18px 0;flex-wrap:wrap}
.help-search{margin-top:22px;max-width:620px;padding:13px 16px;border-radius:12px;font-size:15px}
.chips{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}.chips a.tag{color:var(--text)}.chips a.tag:hover{border-color:var(--gold2);text-decoration:none}
.chips.toc a{color:var(--text)}.chips.toc a:hover{color:var(--gold)}
.flow{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.flow i{font-style:normal;color:var(--muted)}
.faq{padding:4px 22px}.faq details{border-bottom:1px solid var(--line);scroll-margin-top:80px}.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:16px 28px 16px 0;font-weight:600;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:14px;color:var(--muted);font-size:20px;font-weight:400}.faq details[open] summary::after{content:"−";color:var(--gold)}
.faq summary:hover{color:var(--gold)}.faq .ans{color:var(--muted);padding:0 0 14px}.faq .ans p{margin:0 0 8px}.faq .ans b{color:var(--text)}
.faq-group{scroll-margin-top:80px}
.step{display:flex;gap:18px;margin-bottom:16px}.step .no{flex:none;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#231a08;background:linear-gradient(135deg,#f0d17f,#c9962e)}
.step h2{margin:4px 0 8px;font-size:19px}.step p{margin:0 0 6px}
.safe{margin:0;padding-left:20px;color:var(--muted)}.safe li{margin:6px 0}
.logo{display:inline-flex;align-items:center;gap:10px}.logo img{flex:none}.logo:hover{text-decoration:none}
.legal h3{margin:22px 0 8px;font-size:16px;color:var(--gold)}.legal p,.legal li{color:var(--muted)}.legal ol{padding-left:20px;margin:0}.legal li{margin:6px 0}
footer .row a{color:var(--muted)}footer .row a:hover{color:var(--gold)}