/* 半导体工艺仿真实验室 · 前台样式。颜色变量在 :root，后台「外观颜色」会覆盖浅色模式的主色 */
/* Layout: 晶圆厂工艺卡片式的目录 —— 纸色底、铜色强调、等宽数字；首屏右侧是一台真正能调参数的截面模拟器 */
:root{
  --paper:#FAFAF7; --paper-2:#F2EFE9; --surface:#FFFFFF;
  --ink:#15171A; --ink-2:#3C4149; --muted:#7D828A; --line:#E2DED6; --line-2:#C9C4B9;
  --copper:#A6511C; --copper-dark:#7A3A12; --copper-pale:#F7EFE8; --copper-line:#D8C3B2;
  --free:#2E7A57; --free-pale:#E8F3EC;
  --vip:#1F2A44; --vip-pale:#E7EAF2; --gold:#B08A2E;
  --glass:#D3E2DF; --glass-edge:#B6CCC8; --bath:#E6EFF5; --void:#2A2D33; --warn:#C2412D;
  --cu1:#C76A2E; --cu2:#B35A22; --cuLine:#7A3A12;
  --sans:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1200px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#131416; --paper-2:#1A1C1F; --surface:#1E2023;
  --ink:#ECE8E1; --ink-2:#C4C0B8; --muted:#8E9097; --line:#2C2E32; --line-2:#3E4146;
  --copper:#DC8A52; --copper-dark:#F0A472; --copper-pale:#2A1F18; --copper-line:#5A3B26;
  --free:#5FC08F; --free-pale:#17271F; --vip:#AFC0EA; --vip-pale:#1C2233; --gold:#D9B65A;
  --glass:#2A3A38; --glass-edge:#3E5450; --bath:#1C252C; --void:#0B0C0E; --warn:#F06A52;
  --cu1:#C76A2E; --cu2:#A9561F; --cuLine:#F2B98C; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#131416; --paper-2:#1A1C1F; --surface:#1E2023;
  --ink:#ECE8E1; --ink-2:#C4C0B8; --muted:#8E9097; --line:#2C2E32; --line-2:#3E4146;
  --copper:#DC8A52; --copper-dark:#F0A472; --copper-pale:#2A1F18; --copper-line:#5A3B26;
  --free:#5FC08F; --free-pale:#17271F; --vip:#AFC0EA; --vip-pale:#1C2233; --gold:#D9B65A;
  --glass:#2A3A38; --glass-edge:#3E5450; --bath:#1C252C; --void:#0B0C0E; --warn:#F06A52;
  --cu1:#C76A2E; --cu2:#A9561F; --cuLine:#F2B98C; color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--paper)}
a{color:var(--copper);text-decoration:none}
a:hover{color:var(--copper-dark)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:760px){.wrap{padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
h1,h2,h3{text-wrap:balance;margin:0}

/* 头部 */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.head-inner{min-height:64px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;padding-block:10px}
.brand{display:flex;align-items:baseline;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:22px;height:22px;align-self:center;flex:none}
.brand-cn{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-en{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.12em}
.main-nav{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:15px}
.main-nav a{color:var(--ink-2);padding:4px 0;border-bottom:2px solid transparent}
.main-nav a.on{color:var(--copper);border-bottom-color:var(--copper);font-weight:500}
.head-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.who{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.avatar{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--paper-2);border:1px solid var(--line-2);font-size:12px;font-weight:700}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:2px;font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;line-height:1.3;white-space:nowrap}
.btn-solid{background:var(--copper);color:#fff}
.btn-solid:hover{background:var(--copper-dark);color:#fff}
.btn-line{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink);color:var(--ink)}
.btn-vip{background:var(--vip);color:var(--paper)}
.btn-vip:hover{color:var(--paper);filter:brightness(1.15)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* 档位徽标 */
.tier{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:2px 8px;border-radius:2px;font-weight:500;white-space:nowrap;border:1px solid}
.tier-free{color:var(--free);background:var(--free-pale);border-color:color-mix(in srgb,var(--free) 35%,transparent)}
.tier-member{color:var(--copper);background:var(--copper-pale);border-color:var(--copper-line)}
.tier-all{color:var(--vip);background:var(--vip-pale);border-color:color-mix(in srgb,var(--vip) 35%,transparent)}
.status{font-size:12px;color:var(--muted);font-family:var(--mono)}
.lock-ic{width:12px;height:12px;flex:none}

/* 首屏 */
.hero{border-bottom:1px solid var(--line)}
.hero-inner{display:flex;flex-wrap:wrap;gap:40px 56px;align-items:center;padding-block:56px 64px}
.hero-text{flex:999 1 380px;min-width:0}
.eyebrow{margin:0 0 16px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--copper)}
.hero h1{font-size:clamp(32px,4.4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.02em;margin-bottom:20px}
.lede{margin:0 0 28px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:34em}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-family:var(--mono);font-size:26px;font-weight:500;line-height:1.1}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-sim{flex:1 1 100%;min-width:0}

/* 模拟器面板 */
.simbox{background:var(--surface);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.sim-head{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.sim-head h3{font-size:15px;font-weight:700}
.sim-head .sp{margin-left:auto}
.sim-body{display:flex;flex-wrap:wrap}
.sim-controls{flex:1 1 230px;min-width:0;padding:14px 16px;display:flex;flex-direction:column;gap:14px;border-right:1px solid var(--line)}
.sim-view{flex:3 1 340px;min-width:0;position:relative;background:var(--bath)}
.sim-view canvas{display:block;width:100%;height:auto}
.ctl label{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font-size:13px;color:var(--ink-2)}
.ctl label .v{font-family:var(--mono);font-size:13px;color:var(--ink)}
.ctl input[type=range]{width:100%;accent-color:var(--copper);margin:6px 0 0}
.ctl .hint{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.5}
.ctl.locked{opacity:.55}
.ctl.locked label .v{display:inline-flex;align-items:center;gap:4px;color:var(--copper);font-family:var(--sans);font-size:12px}
.timebar{display:flex;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--line);background:var(--surface)}
.timebar input{flex:1;min-width:0;accent-color:var(--copper)}
.timebar .t{font-family:var(--mono);font-size:13px;min-width:7.5em;text-align:right}
.play{width:32px;height:32px;border-radius:50%;border:1px solid var(--line-2);background:var(--paper);display:grid;place-items:center;cursor:pointer;flex:none}
.play svg{width:12px;height:12px;fill:var(--ink)}
.readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));border-top:1px solid var(--line)}
.readouts div{padding:10px 16px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.readouts div:last-child{border-right:0}
.readouts span{font-size:12px;color:var(--muted)}
.readouts b{font-family:var(--mono);font-weight:500;font-size:15px}
.readouts b.bad{color:var(--warn)}
.readouts b.good{color:var(--free)}
.sim-foot{font-size:12px;color:var(--muted);padding:8px 16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:space-between}
@media (max-width:700px){.sim-controls{border-right:0;border-bottom:1px solid var(--line)}}
.simbox.fs{position:fixed;inset:0;z-index:100;overflow:auto;border:0;border-radius:0;padding:max(28px,env(safe-area-inset-top,0px)) max(28px,env(safe-area-inset-right,0px)) max(24px,env(safe-area-inset-bottom,0px)) max(28px,env(safe-area-inset-left,0px));background:var(--paper);display:flex;flex-direction:column}
.simbox.fs>*{background:var(--surface);border-left:1px solid var(--line);border-right:1px solid var(--line)}
.simbox.fs>:first-child{border-top:1px solid var(--line)}
.simbox.fs>:last-child{border-bottom:1px solid var(--line)}
.simbox.fs .embed{aspect-ratio:auto;flex:1;height:auto}
body.noscroll{overflow:hidden}

/* 区块 */
.section{border-bottom:1px solid var(--line)}
.section>.wrap{padding-block:56px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 24px;margin-bottom:28px}
.sec-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em}
.sec-head p{margin:6px 0 0;color:var(--ink-2);max-width:40em}
.sec-head .sp{margin-left:auto}

/* 三档说明 */
.tiers3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;border:1px solid var(--line);background:var(--surface)}
.tiers3>div{padding:22px 22px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.tiers3>div:last-child{border-right:0}
.tiers3 h3{font-size:18px}
.tiers3 p{margin:0;color:var(--ink-2);font-size:14px}
.tiers3 .price{font-family:var(--mono);font-size:14px;color:var(--ink)}
.tiers3 .price b{font-size:22px;font-weight:500}
@media (max-width:820px){.tiers3>div{border-right:0;border-bottom:1px solid var(--line)}.tiers3>div:last-child{border-bottom:0}}

/* 工序目录 */
.procs{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.proc{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);padding:18px 18px 16px;color:var(--ink);border-radius:2px;transition:border-color .15s}
.proc:hover{border-color:var(--copper-line);color:var(--ink)}
.proc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.proc-no{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.proc h3{font-size:20px;font-weight:700;margin-top:2px}
.proc .en{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.proc p{margin:0;font-size:14px;color:var(--ink-2);flex:1}
.proc-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;border-top:1px dashed var(--line-2);padding-top:12px;font-size:13px}
.proc-meta .cnt{font-family:var(--mono);color:var(--ink-2)}
.dots{display:flex;gap:4px}
.dots i{width:8px;height:8px;border-radius:1px;display:block}
.dots i.free{background:var(--free)}
.dots i.member{background:var(--copper)}
.dots i.all{background:var(--vip)}
.dots i.plan{background:transparent;border:1px solid var(--line-2)}
.unlocked{color:var(--free);font-size:12px;font-weight:500}

.chain{margin-top:20px;display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;padding:22px 24px;background:var(--vip-pale);border:1px solid color-mix(in srgb,var(--vip) 25%,transparent)}
.chain h3{font-size:18px;color:var(--vip)}
.chain p{margin:4px 0 0;font-size:14px;color:var(--ink-2)}
.chain-steps{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;font-size:13px}
.chain-steps span{padding:2px 8px;border:1px solid var(--line-2);background:var(--surface)}
.chain-steps em{font-style:normal;color:var(--muted)}

/* 模拟器卡片 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:2px;overflow:hidden}
a.card:hover{border-color:var(--copper-line);color:var(--ink)}
.card .thumb{aspect-ratio:16/9;max-width:100%;background:var(--paper-2);border-bottom:1px solid var(--line);position:relative;display:grid;place-items:center}
.card .thumb canvas{width:100%;height:100%;display:block}
.card .thumb .ph{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.card .lockveil{position:absolute;inset:0;display:grid;place-items:center;background:color-mix(in srgb,var(--paper) 55%,transparent);backdrop-filter:blur(2px)}
.card .lockveil span{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line-2);padding:4px 10px;font-size:12px;color:var(--ink-2)}
.card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:16px;font-weight:700}
.card p{margin:0;font-size:14px;color:var(--ink-2);flex:1}
.card .row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}
.card .facts{font-family:var(--mono);font-size:12px;color:var(--muted)}
.card.plan{opacity:.72}
.card.plan .thumb{background:repeating-linear-gradient(135deg,var(--paper-2) 0 8px,var(--paper) 8px 16px)}

/* 栏目页 */
.page-head .wrap{padding-block:40px 32px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--copper)}
.page-head h1{font-size:clamp(28px,3.6vw,38px);font-weight:700;letter-spacing:-.01em}
.page-head .lede{margin:12px 0 0;font-size:16px}
.unlock-bar{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;padding:16px 20px;border:1px solid var(--copper-line);background:var(--copper-pale)}
.unlock-bar p{margin:0;flex:1 1 300px;font-size:14px;color:var(--ink-2)}
.unlock-bar b{color:var(--ink)}
.unlock-bar.ok{border-color:color-mix(in srgb,var(--free) 35%,transparent);background:var(--free-pale)}

/* 模块页 */
.sim-page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
@media (max-width:960px){.sim-page{grid-template-columns:minmax(0,1fr)}}
.gate{position:relative}
.gate-veil{position:absolute;inset:0;display:grid;place-items:center;padding:16px;background:color-mix(in srgb,var(--paper) 62%,transparent);backdrop-filter:blur(5px);z-index:2}
.gate-card{background:var(--surface);border:1px solid var(--line-2);padding:24px;max-width:440px;width:100%;box-shadow:0 18px 40px rgba(0,0,0,.12);display:flex;flex-direction:column;gap:14px}
.gate-card h3{font-size:18px;display:flex;align-items:center;gap:8px}
.gate-card p{margin:0;font-size:14px;color:var(--ink-2)}
.gate-opts{display:grid;gap:8px}
.gate-opt{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);cursor:pointer;background:var(--paper);text-align:left;width:100%}
.gate-opt:hover{border-color:var(--copper)}
.gate-opt b{display:block;font-size:15px}
.gate-opt small{color:var(--muted);font-size:12px}
.gate-opt .mono{font-size:15px;white-space:nowrap}
.gate-opt.vip:hover{border-color:var(--vip)}
.embed{width:100%;aspect-ratio:16/10;max-width:100%;border:0;display:block;background:#fff}
.ph-view{aspect-ratio:16/10;max-width:100%;display:grid;place-items:center;text-align:center;padding:24px;background:repeating-linear-gradient(135deg,var(--paper-2) 0 10px,var(--paper) 10px 20px);color:var(--muted);font-size:14px}
.ph-view b{display:block;font-family:var(--mono);color:var(--ink-2);margin-bottom:6px;font-weight:500}
.side{display:flex;flex-direction:column;gap:16px}
.side-box{border:1px solid var(--line);background:var(--surface);padding:16px 18px}
.side-box h4{margin:0 0 10px;font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:500}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-family:var(--mono);text-align:right}
.article{max-width:42em;margin-top:36px}
.article h2{font-size:22px;margin:28px 0 10px}
.article p{color:var(--ink-2);margin:0 0 14px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);margin:8px 0 18px}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper-2);font-weight:500;color:var(--ink-2);font-size:13px}
tr:last-child td{border-bottom:0}

/* 笔记 */
.notes{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:0;border-top:1px solid var(--line)}
.note{display:flex;flex-direction:column;gap:6px;padding:18px 20px 20px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.note:hover{color:var(--ink)}
.note:hover h3{color:var(--copper)}
.note time{font-family:var(--mono);font-size:12px;color:var(--muted)}
.note h3{font-size:16px;font-weight:700;line-height:1.5}
.note p{margin:0;font-size:14px;color:var(--ink-2)}

/* 会员页 */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;align-items:stretch}
.plan-c{background:var(--surface);border:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:14px;position:relative}
.plan-c.hl{border-color:var(--vip);box-shadow:0 0 0 1px var(--vip)}
.plan-c .flag{position:absolute;top:-11px;left:24px;background:var(--vip);color:var(--paper);font-size:12px;padding:2px 10px}
.plan-c h3{font-size:20px}
.plan-c .pp{font-family:var(--mono);display:flex;align-items:baseline;gap:6px}
.plan-c .pp b{font-size:34px;font-weight:500;line-height:1}
.plan-c .pp span{color:var(--muted);font-size:13px}
.plan-c .alt{font-size:13px;color:var(--muted);margin-top:-6px}
.plan-c ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--ink-2);flex:1}
.plan-c li{display:flex;gap:8px}
.plan-c li::before{content:"";flex:none;width:6px;height:6px;margin-top:9px;background:var(--copper)}
.plan-c.hl li::before{background:var(--vip)}
.plan-c.fr li::before{background:var(--free)}
.proc-pick{display:flex;flex-wrap:wrap;gap:6px}
.proc-pick button{border:1px solid var(--line-2);background:var(--paper);padding:4px 10px;font-size:13px;cursor:pointer;border-radius:2px}
.proc-pick button[aria-pressed="true"]{border-color:var(--copper);background:var(--copper-pale);color:var(--copper)}
.cmp td:not(:first-child),.cmp th:not(:first-child){text-align:center}
.yes{color:var(--free);font-weight:700}
.no{color:var(--muted)}
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:500}
.faq p{margin:8px 0 0;color:var(--ink-2);font-size:14px;max-width:46em}
.fine{font-size:12px;color:var(--muted);margin-top:14px}

/* 会员价目 */
.price-list{margin-top:20px;border-top:1px solid var(--line)}
.price-list div{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.6fr);gap:6px 24px;padding:14px 4px;border-bottom:1px solid var(--line);align-items:baseline}
.price-list b{font-weight:500;font-size:16px}
.price-list em{font-style:normal;color:var(--ink-2)}
@media (max-width:640px){.price-list div{grid-template-columns:1fr auto}.price-list em{grid-column:1/-1}}

/* 文章 */
.article figure{margin:18px 0}
.article figure img{width:100%;border:1px solid var(--line)}
.article figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.ph-fig div{aspect-ratio:16/7;max-width:100%;display:grid;place-items:center;text-align:center;padding:16px;background:repeating-linear-gradient(135deg,var(--paper-2) 0 10px,var(--paper) 10px 20px);border:1px dashed var(--line-2);color:var(--muted);font-size:13px}
.article h3{font-size:17px;margin:20px 0 8px}
.note-meta{font-size:13px;color:var(--muted);margin-top:12px}
.article .note-sum{font-size:16px;color:var(--ink);border-left:3px solid var(--copper-line);padding-left:14px}
.cover{margin:0 0 20px}.cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.note-cover{width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:6px}
.side-link{display:block;padding:8px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink);line-height:1.5}

/* 后台 */
.tabs{display:flex;flex-wrap:wrap;gap:4px;margin-top:22px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:8px 14px;cursor:pointer;color:var(--ink-2);font-size:15px;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--copper);border-bottom-color:var(--copper);font-weight:500}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border:1px solid var(--line);background:var(--surface);margin-bottom:16px}
.stats div{padding:14px 18px;border-right:1px solid var(--line);display:flex;flex-direction:column}
.stats div:last-child{border-right:0}
.stats span{font-size:12px;color:var(--muted)}
.stats b{font-size:24px;font-weight:500}
.admin-grid{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:16px;align-items:start}
.admin-grid.wide{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
@media (max-width:900px){.admin-grid,.admin-grid.wide{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);padding:18px 20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.panel h3{font-size:16px}
.muted{color:var(--muted);font-size:13px;margin:0}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label{font-size:13px;color:var(--ink-2)}
.field-row{display:flex;flex-wrap:wrap;gap:12px}
.field-row .field{flex:1 1 140px}
.panel input:not([type=file]),.panel select,.panel textarea{width:100%;padding:8px 10px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font:inherit;font-size:14px;border-radius:2px}
.panel td select{width:auto}
.panel textarea{resize:vertical;line-height:1.6}
.panel .mono-ta{font-family:var(--mono);font-size:13px}
.slug{display:flex;align-items:center;gap:4px}
.slug span{font-size:13px;color:var(--muted)}
.upl{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.upl input[type=file]{font-size:13px;max-width:100%}
.cover-prev{width:160px;max-width:100%;aspect-ratio:16/9;border:1px dashed var(--line-2);display:grid;place-items:center;overflow:hidden;background:var(--paper)}
.cover-prev img{width:100%;height:100%;object-fit:cover}
.upl-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.ops{display:flex;flex-wrap:wrap;gap:6px}
.btn.danger{border-color:var(--warn);color:var(--warn)}
.gl{white-space:nowrap;margin:2px 0}
.panel td,.panel th{white-space:nowrap}
.who{flex-wrap:wrap}

/* 企业微信客服 */
.nav-cs{display:inline-flex;align-items:center;gap:6px;background:var(--free-pale);border:1px solid color-mix(in srgb,var(--free) 40%,transparent);color:var(--free);padding:3px 10px;border-radius:2px;cursor:pointer;font-size:14px;font-weight:500}
.nav-cs svg{width:15px;height:15px}
.cs-fab{position:fixed;right:calc(12px + env(safe-area-inset-right,0px));bottom:calc(88px + env(safe-area-inset-bottom,0px));z-index:40;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 8px;background:var(--free);color:#fff;border:0;border-radius:3px;cursor:pointer;font-size:12px;line-height:1.3;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.cs-fab svg{width:22px;height:22px}
.cs-pop{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:16px;background:rgba(10,11,13,.45)}
.cs-card{background:var(--surface);color:var(--ink);border:1px solid var(--line-2);width:100%;max-width:340px;padding:16px 24px 24px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.cs-card .muted{margin:0}
.copy-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;justify-content:center}
.copy-row code{font-family:var(--mono);color:var(--ink);font-size:14px}
.qr{display:block;object-fit:contain;background:#fff;border:1px solid var(--line);flex:none;max-width:100%}
.qr.ph{display:grid;place-items:center;background:repeating-linear-gradient(45deg,var(--paper-2) 0 6px,var(--paper) 6px 12px);border:1px dashed var(--line-2);color:var(--muted);font-size:12px;line-height:1.5;text-align:center}
.cs-band{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;padding:18px 20px;border:1px solid color-mix(in srgb,var(--free) 35%,transparent);background:var(--free-pale);margin-top:24px}
.cs-band>div:not(.qr){flex:1 1 240px;min-width:0}
.cs-band p{margin:4px 0 0;color:var(--ink-2);font-size:14px}
.cs-in{display:flex;gap:14px;align-items:center}
.linkbtn{background:none;border:0;padding:0;color:var(--copper);cursor:pointer;font:inherit;text-decoration:underline;text-underline-offset:2px}
.cs-line{font-size:13px;margin:0;color:var(--muted)}
.x{background:none;border:0;font-size:24px;cursor:pointer;color:var(--muted);line-height:1;padding:0 4px}

/* 登录 */
.mc-head{display:flex;justify-content:space-between;align-items:center}
.modal-card .field{display:flex;flex-direction:column;gap:6px}
.modal-card .field label{font-size:13px;color:var(--ink-2)}
.phone{display:flex}
.phone span{padding:10px;border:1px solid var(--line-2);border-right:0;background:var(--paper-2);font-size:14px;color:var(--ink-2)}
.modal-card .row .btn{flex:none}
.modal-card .row .btn:disabled{opacity:.6;cursor:default}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--ink-2);cursor:pointer}
.modal-card .agree input{width:auto;margin-top:4px;padding:0}
.err{color:var(--warn);font-size:13px;margin:0;min-height:1.2em}
.devcode{font-size:12px;color:var(--free);background:var(--free-pale);padding:6px 10px;margin:0}
.modal-card .muted{margin:0}

/* 我的账户 */
.me-head{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.avatar.lg{width:56px;height:56px;font-size:22px}
.me-sub{font-size:13px;color:var(--muted);margin-top:4px}
.me-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
@media (max-width:960px){.me-grid{grid-template-columns:minmax(0,1fr)}}
.me-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.mem-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.mini-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0 20px}
.mini-list a{display:flex;justify-content:space-between;gap:8px;padding:8px 0;border-top:1px solid var(--line);color:var(--ink);font-size:14px}
.biz{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.biz-item{background:var(--surface);border:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:10px}
.biz-item h3{font-size:17px}
.biz-item p{margin:0;color:var(--ink-2);font-size:14px;flex:1}
.profile{margin-top:20px;max-width:640px}
.biz-edit{border-top:1px dashed var(--line-2);padding-top:12px;display:flex;flex-direction:column;gap:10px}
.rules{border-top:1px solid var(--line);padding-top:12px}
a.who{color:var(--ink-2)}

.cs-ic{display:grid;place-items:center;background:var(--free);color:#fff;border-radius:6px;flex:none}
.cs-ic svg{width:62%;height:62%}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 40px;align-items:start}
.about-grid .cs-band{margin-top:0}
@media (max-width:860px){.about-grid{grid-template-columns:minmax(0,1fr)}}
.about-kv dd{text-align:left;font-family:var(--sans)}

/* 页脚 */
.foot{background:var(--paper-2)}
.foot .wrap{padding-block:36px 40px;display:flex;flex-wrap:wrap;gap:24px 48px;font-size:13px;color:var(--muted)}
.foot b{color:var(--ink);font-size:14px}
.foot .col{display:flex;flex-direction:column;gap:4px;min-width:0}
.foot .disc{flex-basis:100%;border-top:1px solid var(--line);padding-top:16px}

/* 弹窗与提示 */
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px;background:rgba(10,11,13,.45)}
.modal-card{background:var(--surface);color:var(--ink);width:100%;max-width:380px;padding:24px;border:1px solid var(--line-2);display:flex;flex-direction:column;gap:14px}
.modal-card h3{font-size:18px}
.modal-card input{width:100%;padding:10px 12px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font:inherit;border-radius:2px}
.modal-card .row{display:flex;gap:8px}
.modal-card small{color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;font-size:14px;z-index:60;max-width:calc(100% - 32px)}

/* ---------- 正式站补充 ---------- */
.sim-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 16px;border-top:1px solid var(--line)}
.sim-tools input{flex:1 1 180px;min-width:0;padding:6px 10px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font:inherit;font-size:13px;border-radius:2px}
.play:disabled{opacity:.4;cursor:default}
.flash{padding:10px 14px;border:1px solid color-mix(in srgb,var(--free) 35%,transparent);background:var(--free-pale);color:var(--ink);font-size:14px;margin-bottom:16px}
.flash.err{border-color:var(--warn);background:transparent;color:var(--warn)}
.article ul,.article ol{color:var(--ink-2);padding-left:1.4em;margin:0 0 14px}
.article li{margin:4px 0}
.article blockquote{margin:0 0 14px;padding:4px 0 4px 16px;border-left:3px solid var(--copper-line)}
.article pre{background:var(--paper-2);border:1px solid var(--line);padding:12px 14px;overflow-x:auto;font-size:13px;margin:0 0 14px}
.article code{font-family:var(--mono);font-size:.92em;background:var(--paper-2);padding:1px 4px}
.article pre code{background:none;padding:0}
.article h4{font-size:15px;margin:16px 0 6px}
.article a{text-decoration:underline;text-underline-offset:2px}
.brand-logo{width:24px;height:24px;object-fit:contain;align-self:center}
.embed-wrap{position:relative}
.foot a{color:var(--copper)}

/* 上传的模拟器：整行宽度、接近一屏高，侧栏移到下方 */
.sim-page.wide{grid-template-columns:minmax(0,1fr)}
.sim-page.wide .side{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;align-items:start}
.embed.tall{aspect-ratio:auto;height:calc(100vh - 150px);min-height:620px}
.simbox.fs .embed.tall{height:auto;min-height:0}
@media (max-width:700px){.embed.tall{height:80vh;min-height:480px}}

/* 首页放上传的模拟器 */
.hero-embed-frame{aspect-ratio:auto;height:min(78vh,760px);min-height:520px}
.simbox.fs .hero-embed-frame{height:auto;min-height:0;flex:1}
.hero-lock{position:relative;min-height:360px;display:grid;place-items:center;padding:24px;background:repeating-linear-gradient(135deg,var(--paper-2) 0 10px,var(--paper) 10px 20px)}
.hero-lock img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.hero-lock-card{position:relative;background:var(--surface);border:1px solid var(--line-2);padding:20px 22px;max-width:420px;display:flex;flex-direction:column;gap:10px}
.hero-lock-card h3{font-size:17px;display:flex;align-items:center;gap:6px}
.hero-lock-card p{margin:0;color:var(--ink-2);font-size:14px}

/* 登录弹窗：登录 / 注册切换 */
.tabs2{display:flex;border:1px solid var(--line-2);border-radius:2px;overflow:hidden}
.tabs2 button{flex:1;padding:8px 0;border:0;background:var(--paper);cursor:pointer;font-size:14px;color:var(--ink-2)}
.tabs2 button[aria-pressed="true"]{background:var(--copper);color:#fff}
.modal-card input[type=password]{width:100%;padding:10px 12px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font:inherit;border-radius:2px}