/* DUCHAN 官网（2026-11-05）：与 v06 同一套色系（深色太空舱 + 青色高光） */
:root{--bg:#04090c;--bg-2:#071316;--panel:rgba(9,20,25,.72);--line:rgba(115,242,234,.14);--line-2:rgba(255,255,255,.08);--ink:#f3f7f8;--ink-2:#d6e4e8;--muted:#93aab2;--muted-2:#6c858d;--accent:#73f2ea;--accent-2:#9feee8;--font:"Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{width:min(1120px,calc(100% - 40px));margin:0 auto}
.kicker{font:500 11px/1.4 var(--mono);letter-spacing:.28em;color:var(--accent);text-transform:uppercase}
h1,h2,h3{margin:0;font-weight:500;letter-spacing:.02em}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.2;margin:10px 0 14px}
.lead{color:var(--muted);font-size:17px;max-width:62ch;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--ink);font-size:15px;letter-spacing:.04em;transition:.2s;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:rgba(115,242,234,.45);background:rgba(115,242,234,.08)}
.btn.primary{background:linear-gradient(135deg,#9ff3ee,#5fd9d1);color:#03171a;border-color:transparent;font-weight:500}
.btn.primary:hover{filter:brightness(1.08)}
.btn.small{height:38px;padding:0 16px;font-size:13px}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
/* 导航 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(4,9,12,.72);border-bottom:1px solid var(--line-2)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:18px;width:auto}.brand span{font-size:12px;letter-spacing:.3em;color:var(--muted);padding-top:2px}
.nav nav{display:flex;gap:26px;font-size:14px;color:var(--ink-2)}
.nav nav a:hover{color:var(--accent-2)}
.nav .cta{display:flex;gap:10px;align-items:center}
.nav .menu{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:none;color:var(--ink);font-size:18px}
@media(max-width:860px){.nav nav{display:none}.nav .menu{display:grid;place-items:center}.nav.open nav{display:flex;position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:0;background:rgba(4,9,12,.96);border-bottom:1px solid var(--line-2)}.nav.open nav a{padding:14px 20px;border-top:1px solid var(--line-2)}.nav .cta .btn.ghost-sm{display:none}}
/* 首屏 */
.hero{position:relative;min-height:88vh;display:grid;align-items:center;overflow:hidden;isolation:isolate}
.hero .bg{position:absolute;inset:0;z-index:-2;background:url(/space-v06/assets/env/cabin.webp) center/cover no-repeat;opacity:.55;filter:saturate(.9)}
.hero .veil{position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 30% 40%,rgba(4,9,12,.15),rgba(4,9,12,.92) 70%),linear-gradient(180deg,rgba(4,9,12,.2),var(--bg))}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:80px 0 60px}
.hero h1{font-size:clamp(34px,5.4vw,66px);line-height:1.08;font-weight:500;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero p{color:var(--ink-2);font-size:18px;max-width:52ch;margin:20px 0 30px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.hero .note{margin-top:18px;font-size:13px;color:var(--muted)}
.hero .shoe{position:relative;aspect-ratio:1;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:radial-gradient(circle at 50% 60%,rgba(115,242,234,.12),transparent 60%),rgba(6,14,18,.6);box-shadow:0 40px 120px rgba(0,0,0,.55)}
.hero .shoe img{width:100%;height:100%;object-fit:cover}
.hero .shoe .tag{position:absolute;left:18px;bottom:18px;padding:8px 12px;border-radius:999px;background:rgba(4,9,12,.75);border:1px solid var(--line);font:500 11px/1.4 var(--mono);letter-spacing:.18em;color:var(--accent-2)}
@media(max-width:860px){.hero{min-height:auto}.hero .wrap{grid-template-columns:1fr;padding:48px 0 40px}.hero .shoe{max-width:420px;margin:0 auto}}
/* 通用段落 */
section.block{padding:84px 0;border-top:1px solid var(--line-2)}
.grid{display:grid;gap:18px;margin-top:36px}
.grid.c4{grid-template-columns:repeat(4,1fr)}.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid.c4{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid.c4,.grid.c3,.grid.c2{grid-template-columns:1fr}}
.card{padding:26px;border-radius:20px;border:1px solid var(--line-2);background:var(--panel);transition:.25s}
.card:hover{border-color:var(--line);transform:translateY(-2px)}
.card .num{font:500 12px/1 var(--mono);color:var(--accent);letter-spacing:.2em;margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.shoes .card{padding:0;overflow:hidden}
.shoes .card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#0a1417}
.shoes .card .t{padding:16px 18px 18px}
.shoes .card small{display:block;color:var(--muted-2);font:500 11px/1.4 var(--mono);letter-spacing:.14em;margin-bottom:6px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:36px}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split .pic{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#071316;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.split .pic img{width:100%;aspect-ratio:9/14;object-fit:cover}
.list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:15px}
.list li::before{content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px}
.stats b{display:block;font-size:30px;font-weight:500;color:var(--accent-2)}.stats span{font-size:13px;color:var(--muted)}
.entries .card{display:flex;flex-direction:column;gap:10px}
.entries .card .btn{align-self:flex-start;margin-top:8px}
footer{border-top:1px solid var(--line-2);padding:40px 0 60px;color:var(--muted);font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:18px}footer nav a:hover{color:var(--accent-2)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* 资源下载页 */
.dl-head{padding:56px 0 20px}
.dl-head .who{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:14px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:rgba(115,242,234,.08);color:var(--accent-2);font-size:12px;letter-spacing:.06em}
.badge.warn{border-color:rgba(255,213,138,.4);background:rgba(255,213,138,.08);color:#ffd58a}
.platforms{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:26px 0}
@media(max-width:860px){.platforms{grid-template-columns:1fr}}
.pf{padding:26px;border-radius:22px;border:1px solid var(--line-2);background:var(--panel)}
.pf h3{font-size:20px;display:flex;align-items:center;gap:10px}
.pf .ver{font:500 13px/1.4 var(--mono);color:var(--accent-2);letter-spacing:.08em;margin-top:6px}
.pf .meta{color:var(--muted);font-size:13px;margin:12px 0;display:grid;gap:4px}
.pf .meta code{font:12px var(--mono);color:var(--ink-2);word-break:break-all}
.pf .notes{white-space:pre-wrap;color:var(--ink-2);font-size:14px;margin:10px 0 16px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line-2)}
.pf .empty{color:var(--muted);font-size:14px;padding:18px 0 4px}
.pf .actions{display:flex;flex-wrap:wrap;gap:10px}
.hist{margin-top:14px;font-size:13px;color:var(--muted)}
.hist summary{cursor:pointer;color:var(--ink-2)}
.hist table{width:100%;border-collapse:collapse;margin-top:8px}
.hist td{padding:7px 6px;border-top:1px solid var(--line-2);vertical-align:top}
.hist td.a{text-align:right;white-space:nowrap}
.hist button{background:none;border:1px solid var(--line-2);color:var(--ink-2);border-radius:8px;padding:4px 9px;font-size:12px;cursor:pointer;margin-left:4px}
.hist button:hover{border-color:var(--line)}
.upload{margin:10px 0 50px;padding:26px;border-radius:22px;border:1px dashed rgba(115,242,234,.35);background:rgba(115,242,234,.04)}
.upload h3{font-size:18px;margin-bottom:6px}.upload p{color:var(--muted);font-size:13px;margin:0 0 16px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:700px){.form{grid-template-columns:1fr}}
.form label{display:grid;gap:6px;font-size:12px;color:var(--muted);letter-spacing:.06em}
.form input,.form select,.form textarea{width:100%;height:44px;padding:0 12px;border-radius:10px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--ink);font:inherit;font-size:14px}
.form textarea{height:92px;padding:10px 12px;resize:vertical}
.form .full{grid-column:1/-1}
.form input[type=file]{padding:9px 12px}
.prog{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:14px 0 6px}
.prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,#5fd9d1,#9ff3ee);transition:width .2s}
.status{font-size:13px;color:var(--muted);min-height:1.4em}
.status.err{color:#ffb3b3}.status.ok{color:var(--accent-2)}
.dl-login{padding:40px 0 70px}
.dl-login .card{max-width:560px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);padding:10px 16px;border-radius:12px;background:rgba(10,30,34,.95);border:1px solid var(--line);color:var(--accent-2);font-size:14px;z-index:200;opacity:0;pointer-events:none;transition:.25s}
.toast.show{opacity:1}
/* 各端入口（/site/duchan-nav.js）：脚本没加载成功或在门店大屏上时不显示入口 */
html:not(.duchan-nav-on) [data-duchan-nav-open]{display:none!important}
.nav nav a[data-duchan-nav-open]{color:var(--accent-2)}

/* 资源下载页 · 门店设备诊断（门店端 1.3.1） */
.diag{margin:14px 0;padding:14px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.03)}
.diag pre{max-height:360px;overflow:auto;font-size:12px;white-space:pre-wrap;word-break:break-all;background:rgba(0,0,0,.25);padding:10px;border-radius:8px}
.diag-shots{display:flex;gap:12px;flex-wrap:wrap}
.diag-shots figure{margin:0;flex:1 1 320px;max-width:100%}
.diag-shots img{width:100%;height:auto;border-radius:8px;border:1px solid rgba(255,255,255,.12)}
.diag-shots figcaption{font-size:12px;opacity:.7;margin-top:4px}