/* app.css —— 产品页面版式（首页、登录、工作台）。颜色只走 var(--vx-*)，无裸色值（半透明用 color-mix）。 */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:68px}
body{margin:0;background:var(--vx-paper);color:var(--vx-ink);font-family:var(--vx-font);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--vx-brand);text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3{margin:0;font-weight:600;line-height:1.25}
code,.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.92em}
:focus-visible{outline:2px solid var(--vx-brand);outline-offset:2px;border-radius:4px}
[hidden]{display:none!important}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:20px;padding:0 28px;height:56px;background:color-mix(in srgb,var(--vx-paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--vx-line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;color:var(--vx-ink);text-decoration:none}
.brand svg{width:26px;height:26px}
.topbar nav{display:flex;gap:4px;margin-left:12px}
.topbar nav a{padding:6px 12px;border-radius:8px;color:var(--vx-muted);text-decoration:none;font-size:14px}
.topbar nav a:hover{color:var(--vx-ink);background:var(--vx-brand-soft)}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.tbtn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--vx-line);border-radius:8px;background:var(--vx-paper);color:var(--vx-ink);font:inherit;font-size:13px;cursor:pointer;text-decoration:none}
.tbtn:hover{background:var(--vx-brand-soft)}
.tbtn[aria-pressed="true"]{background:var(--vx-brand-soft);border-color:var(--vx-brand);color:var(--vx-brand)}

/* 按钮与表单 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:1px solid var(--vx-line);border-radius:8px;background:var(--vx-paper);color:var(--vx-ink);font:inherit;font-size:14px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{background:var(--vx-brand-soft);border-color:var(--vx-brand)}
.btn.primary{background:var(--vx-brand);border-color:var(--vx-brand);color:var(--vx-paper);font-weight:600}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{border-color:var(--vx-warn);color:var(--vx-warn)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.sm{padding:4px 10px;font-size:13px}
label.f{display:block;margin:0 0 14px;font-size:13px;color:var(--vx-muted)}
label.f>span{display:block;margin-bottom:4px}
.in,select.in,textarea.in{width:100%;padding:8px 10px;border:1px solid var(--vx-line);border-radius:8px;background:var(--vx-paper);color:var(--vx-ink);font:inherit;font-size:14px}
textarea.in{min-height:96px;resize:vertical;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:13px}
.in:focus{outline:2px solid var(--vx-brand);outline-offset:0;border-color:var(--vx-brand)}
.hint{font-size:12.5px;color:var(--vx-muted);margin-top:4px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grow{flex:1 1 auto}

/* 卡片、表格、标签 */
.card{background:var(--vx-paper);border:1px solid var(--vx-line);border-radius:12px;padding:18px 20px}
.card.panel{background:var(--vx-panel)}
.card h3{font-size:16px;margin-bottom:10px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:600;color:var(--vx-muted);font-size:12.5px;padding:8px 10px;border-bottom:1px solid var(--vx-line);white-space:nowrap}
.tbl td{padding:9px 10px;border-bottom:1px solid color-mix(in srgb,var(--vx-line) 55%,transparent);vertical-align:top}
.tbl tr:hover td{background:var(--vx-panel)}
.chip{display:inline-flex;align-items:center;gap:4px;padding:1px 9px;border:1px solid var(--vx-line);border-radius:999px;font-size:12.5px;color:var(--vx-muted);background:var(--vx-paper);white-space:nowrap}
.chip.ok{color:var(--vx-ok);border-color:var(--vx-ok)}
.chip.warn{color:var(--vx-warn);border-color:var(--vx-warn)}
.chip.brand{color:var(--vx-brand);border-color:var(--vx-brand)}
.chip.demo{color:var(--vx-warn);border-color:var(--vx-warn);background:color-mix(in srgb,var(--vx-warn) 8%,var(--vx-paper))}
.note{padding:12px 16px;border:1px solid var(--vx-line);border-left:4px solid var(--vx-brand);border-radius:8px;background:var(--vx-panel);font-size:14px}
.note.warn{border-left-color:var(--vx-warn)}
.note.err{border-color:var(--vx-warn);border-left-color:var(--vx-warn);color:var(--vx-warn)}
.empty{padding:36px 24px;text-align:center;border:1px dashed var(--vx-line);border-radius:12px;color:var(--vx-muted)}
.empty b{display:block;color:var(--vx-ink);font-size:16px;margin-bottom:6px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;font-size:14px;margin:0}
.kv dt{color:var(--vx-muted)}.kv dd{margin:0;word-break:break-all}

/* ───── 首页 ───── */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--vx-line);background:var(--vx-panel)}
.hero-in{position:relative;max-width:1320px;margin:0 auto;padding:64px 32px 56px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
.hero h1{font-size:44px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--vx-brand)}
.hero .lead{margin:18px 0 0;font-size:17px;color:var(--vx-muted);max-width:620px}
.hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.hero-mol{position:relative;border:1px solid var(--vx-line);border-radius:16px;background:var(--vx-paper);padding:12px}
.hero-mol canvas{width:100%;height:340px;display:block;cursor:grab;touch-action:none}
.hero-mol figcaption{font-size:12.5px;color:var(--vx-muted);padding:4px 6px 2px}
.demo-tag{position:absolute;top:12px;left:12px;z-index:2}
.contact{background:var(--vx-ink);color:var(--vx-paper)}
.contact-in{max-width:1320px;margin:0 auto;padding:14px 32px;font-size:14.5px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.contact b{font-weight:600}
.sec{max-width:1320px;margin:0 auto;padding:64px 32px 0}
.sec>h2{font-size:30px}
.sec>.sub{margin:8px 0 26px;max-width:820px;color:var(--vx-muted);font-size:15.5px}
.tabs{display:inline-flex;border:1px solid var(--vx-line);border-radius:10px;overflow:hidden;margin-bottom:16px}
.tabs button{padding:8px 18px;border:0;border-right:1px solid var(--vx-line);background:var(--vx-paper);color:var(--vx-ink);font:inherit;font-size:14px;cursor:pointer}
.tabs button:last-child{border-right:0}
.tabs button[aria-selected="true"]{background:var(--vx-brand);color:var(--vx-paper);font-weight:600}
.demo-split{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:20px;align-items:start}
.stage{position:relative;border:1px solid var(--vx-line);border-radius:12px;background:var(--vx-panel);padding:14px;min-height:300px}
.flag-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.flag-list li{padding:14px 16px;border:1px solid var(--vx-line);border-radius:10px;background:var(--vx-paper)}
.flag-list .ft{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.flag-list dl{display:grid;grid-template-columns:max-content 1fr;gap:3px 14px;margin:0;font-size:13.5px}
.flag-list dt{color:var(--vx-muted)}.flag-list dd{margin:0}
.status-tbl td:first-child{font-weight:600;white-space:nowrap}
.st{display:inline-block;padding:1px 10px;border-radius:999px;font-size:12.5px;font-weight:600;border:1px solid}
.st.done{color:var(--vx-ok);border-color:var(--vx-ok)}.st.demo{color:var(--vx-brand);border-color:var(--vx-brand)}.st.plan{color:var(--vx-muted);border-color:var(--vx-line)}.st.no{color:var(--vx-warn);border-color:var(--vx-warn)}
.cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.foot{margin-top:72px;border-top:1px solid var(--vx-line);padding:28px 32px 40px;max-width:1320px;margin-left:auto;margin-right:auto;font-size:13px;color:var(--vx-muted)}

/* ───── 登录 ───── */
.login-wrap{min-height:calc(100vh - 56px);display:grid;place-items:center;padding:24px;background:var(--vx-panel)}
.login-card{width:min(420px,100%);padding:30px}
.login-card h1{font-size:24px;margin-bottom:6px}

/* ───── 工作台 ───── */
.wb{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:calc(100vh - 56px)}
.side{border-right:1px solid var(--vx-line);background:var(--vx-panel);padding:18px 12px;position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto;display:flex;flex-direction:column;gap:2px}
.side a{display:block;padding:8px 12px;border-radius:8px;color:var(--vx-ink);text-decoration:none;font-size:14px}
.side a:hover{background:var(--vx-brand-soft)}
.side a[aria-current="page"]{background:var(--vx-brand);color:var(--vx-paper);font-weight:600}
.side .who{padding:6px 12px 14px;font-size:13px;color:var(--vx-muted)}
.side .who b{display:block;color:var(--vx-ink);font-size:14px}
.side .eng{margin-top:auto;padding:10px 12px;font-size:12.5px;color:var(--vx-muted);border-top:1px solid var(--vx-line)}
.main{padding:28px 36px 64px;min-width:0;max-width:1400px}
.main>h1{font-size:26px;margin-bottom:4px}
.main>.sub{margin:0 0 20px;color:var(--vx-muted)}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.cand{display:flex;flex-direction:column;gap:8px}
.cand.sel .sc{border-color:var(--vx-accent);border-width:2px}
.thumb{display:grid;place-items:center;min-height:120px;border:1px solid var(--vx-line);border-radius:10px;background:var(--vx-paper);padding:6px}
.thumb svg{max-width:100%;height:auto}
.steps{display:grid;gap:10px}
.step{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--vx-line);border-radius:10px;background:var(--vx-paper);cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%}
.step:hover{border-color:var(--vx-brand)}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--vx-brand-soft);color:var(--vx-brand);display:grid;place-items:center;font-weight:600;font-size:14px}
.step .rx{font-size:12.5px;color:var(--vx-muted);word-break:break-all}
.leaf-chips{display:flex;flex-wrap:wrap;gap:8px}
.mol3d{border:1px solid var(--vx-line);border-radius:12px;background:var(--vx-paper);padding:8px}
.mol3d canvas{width:100%;height:280px;display:block;cursor:grab;touch-action:none}
.scale{display:grid;gap:8px;margin:0 0 14px}
.scale label{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--vx-line);border-radius:10px;cursor:pointer}
.scale label:has(input:checked){border-color:var(--vx-brand);background:var(--vx-brand-soft)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tags label{display:inline-flex;gap:6px;align-items:center;padding:4px 10px;border:1px solid var(--vx-line);border-radius:999px;cursor:pointer;font-size:13.5px}
.tags label:has(input:checked){border-color:var(--vx-brand);background:var(--vx-brand-soft)}
.err-list{margin:8px 0 0;padding-left:18px;font-size:13px}
.bar{height:8px;border-radius:4px;background:var(--vx-line);overflow:hidden}.bar>i{display:block;height:100%;background:var(--vx-brand)}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}
.kpi b{display:block;font-size:28px;font-weight:600;line-height:1.2}.kpi span{font-size:13px;color:var(--vx-muted)}
.view-in{animation:viewIn .28s ease-out both}
@keyframes viewIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
html.vx-static .view-in{animation:none}
@media (prefers-reduced-motion:reduce){.view-in{animation:none}}
@media (max-width:1100px){.hero-in,.demo-split,.grid2{grid-template-columns:minmax(0,1fr)}.hero h1{font-size:34px}.cols3{grid-template-columns:minmax(0,1fr)}.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){.wb{grid-template-columns:minmax(0,1fr)}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--vx-line)}.side .eng,.side .who{display:none}.main{padding:20px 16px 48px}.topbar{padding:0 14px}.topbar nav{display:none}.sec{padding:44px 16px 0}.hero-in{padding:36px 16px}}

/* 盲评视图：不画目录命中与不确定项的图例，界面上不出现任何引擎标记 */
.blind-view .rt-legend{display:none}

/* ───── 规划运行面板与三列卡片 ───── */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
@media (max-width:1100px){.grid3{grid-template-columns:minmax(0,1fr)}}
.plan-box.card{padding:16px 18px}
.plan-box .row{align-items:center}
.plan-box.term{border-left:4px solid var(--vx-line)}
.plan-box.term.ok{border-left-color:var(--vx-ok)}
.plan-box.term.warn{border-left-color:var(--vx-warn)}
.plan-box.term.err{border-left-color:var(--vx-warn);background:color-mix(in srgb,var(--vx-warn) 7%,var(--vx-paper))}
.plan-box.term.info{border-left-color:var(--vx-brand)}
.plan-box.running{border-left:4px solid var(--vx-brand);background:color-mix(in srgb,var(--vx-brand) 5%,var(--vx-paper))}
.spin{width:16px;height:16px;border-radius:50%;border:2px solid var(--vx-line);border-top-color:var(--vx-brand);animation:rp-spin 1s linear infinite;display:inline-block}
@keyframes rp-spin{to{transform:rotate(360deg)}}
html.vx-static .spin{animation:none;border-top-color:var(--vx-brand)}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}
.plan-params summary{cursor:pointer;color:var(--vx-muted);font-size:13px;margin-top:10px}
.mol3d .empty{padding:18px}
/* 首页真实作品 */
.real-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0 6px}
.real-note{border:1px solid var(--vx-line);border-left:4px solid var(--vx-brand);border-radius:8px;padding:10px 14px;background:var(--vx-panel);font-size:14px;margin:10px 0 14px}
.real-facts{font-size:13px;color:var(--vx-muted);margin:0 0 10px}
.demo-m3{margin-bottom:16px}

/* ───── 窄屏（首页与结果页 390 宽不横向溢出；全站移动端适配不在范围内）───── */
@media (max-width:700px){
  .topbar{padding:0 12px;gap:8px}.topbar nav{display:none}.tb-right{gap:6px}
  .hero-in{padding:28px 16px}.hero h1{font-size:28px}.sec{padding-left:16px;padding-right:16px}
  .stage,.card,.tbl{max-width:100%}.stage{overflow-x:auto}.card{overflow-x:auto}
  .tabs{max-width:100%;overflow-x:auto;flex-wrap:nowrap}.main{padding:16px 14px}
  .row{flex-wrap:wrap}.wb{display:block}.side{display:flex;overflow-x:auto;gap:6px;border-right:0;border-bottom:1px solid var(--vx-line);width:auto;position:static}
  .contact-in,.foot{padding-left:16px;padding-right:16px}
  .mol3d canvas{height:220px}
}
#m3box canvas{height:420px}