:root {
  /* 沿用宣传页：深空底 + 赵宜主玫粉 / 男士蓝 */
  --brand:#EF5B8C; --men:#2E9BF0; --accent:#7FE3FF;
  --bg:#070914; --bg-2:#0D1124; --card:rgba(20,24,46,.72); --line:rgba(255,255,255,.10);
  --ink:#F4F1F6; --muted:#A39FB4; --faint:#6E6A82;
  --fa:#3DD68C; --fb:#F5B841; --fc:#FF6B6B;
  --body:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  color-scheme:dark;
}
:root[data-theme="light"] {
  --bg:#F6F4F8; --bg-2:#ECE9F2; --card:#FFFFFF; --line:rgba(20,20,40,.10);
  --ink:#1C1A26; --muted:#5E5A6E; --faint:#8C889A;
  --fa:#16955A; --fb:#B7790A; --fc:#D43C3C;
  color-scheme:light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:#F6F4F8; --bg-2:#ECE9F2; --card:#FFFFFF; --line:rgba(20,20,40,.10);
    --ink:#1C1A26; --muted:#5E5A6E; --faint:#8C889A;
    --fa:#16955A; --fb:#B7790A; --fc:#D43C3C;
    color-scheme:light;
  }
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,var(--bg),var(--bg-2)) fixed;color:var(--ink);font-family:var(--body);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
code{font-size:.92em;background:var(--line);padding:1px 5px;border-radius:4px}

.layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;padding:24px 16px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:24px}
.brand{display:flex;align-items:center;gap:10px}
.brand small{display:block;color:var(--muted);font-size:12px}
.brand-dot{width:14px;height:14px;border-radius:50%;background:conic-gradient(var(--brand),var(--men),var(--brand));box-shadow:0 0 12px var(--brand)}
.modules{display:flex;flex-direction:column;gap:4px}
.module{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:10px;color:var(--muted);text-decoration:none}
.module span{font-variant-numeric:tabular-nums;font-size:12px;color:var(--faint)}
.module.is-active{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.module.is-active span{color:var(--brand)}
.module.is-todo{opacity:.55}
.theme-toggle{margin-top:auto;font-size:12px;color:var(--muted);text-align:left;padding:8px 12px;border:1px solid var(--line);border-radius:10px}

main{padding:32px clamp(16px,4vw,48px) 48px;max-width:1280px}
.eyebrow{color:var(--brand);font-size:12px;letter-spacing:.08em}
.page-head h1{font-size:clamp(22px,3vw,30px);margin:6px 0 8px}
.lead{color:var(--muted);max-width:720px}
.block{margin-top:36px}
.block h2{font-size:18px;margin-bottom:14px}
.block h2 small{font-size:12px;color:var(--faint);font-weight:400;margin-left:8px}

.personas{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.persona{position:relative;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 14px 14px 18px;overflow:hidden;transition:transform .15s,border-color .15s}
.persona::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c)}
.persona:hover{transform:translateY(-2px);border-color:var(--c)}
.persona .tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.persona .tag i{width:10px;height:10px;border-radius:50%;background:var(--c)}
.persona strong{display:block;font-size:16px;margin:4px 0 2px}
.persona p{color:var(--muted);font-size:12.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.persona .count{margin-top:8px;font-size:12px;color:var(--faint)}

dialog{max-width:min(560px,calc(100vw - 32px));width:100%;background:var(--bg-2);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:24px}
dialog::backdrop{background:rgba(0,0,0,.55)}
dialog h3{margin:0 0 4px;font-size:20px}
dialog dl{display:grid;grid-template-columns:80px minmax(0,1fr);gap:6px 12px;margin:16px 0}
dialog dt{color:var(--faint)}
dialog dd{margin:0}
dialog blockquote{margin:6px 0;padding:6px 12px;border-left:3px solid var(--c);color:var(--muted)}
dialog .close{margin-top:12px;padding:6px 16px;border:1px solid var(--line);border-radius:8px}
dialog .note{font-size:12px;color:var(--faint)}

.filters{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.filters input{width:100%;max-width:420px;padding:9px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card)}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.chips b{font-weight:400;color:var(--faint);font-size:12px;width:48px}
.chip{padding:4px 12px;border-radius:999px;border:1px solid var(--line);font-size:12.5px;color:var(--muted);background:var(--card)}
.chip[aria-pressed="true"]{border-color:var(--brand);color:var(--ink);background:color-mix(in srgb,var(--brand) 18%,var(--card))}

.summary{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin-bottom:12px;color:var(--muted);font-size:13px}
.summary strong{color:var(--ink);font-size:16px}
.bar{display:flex;height:8px;width:min(260px,100%);border-radius:4px;overflow:hidden;background:var(--line)}
.bar span{display:block}
.fa{color:var(--fa)} .fb{color:var(--fb)} .fc{color:var(--fc)}

.needs{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}
.need{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.need .meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12px;color:var(--faint)}
.need .gid{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-variant-numeric:tabular-nums}
.need .gid i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.need .pill{padding:1px 8px;border-radius:999px;border:1px solid var(--line)}
.need .feas{margin-left:auto;font-weight:600}
.need q{font-size:14.5px;quotes:"“" "”"}
.need .prob{color:var(--muted);font-size:12.5px}
.need .note{color:var(--faint);font-size:12px;border-top:1px dashed var(--line);padding-top:6px}
.empty{color:var(--faint);padding:24px 0}
.foot{margin-top:40px;color:var(--faint);font-size:12px}

@media (max-width:1080px){.personas{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 16px;border-right:0;border-bottom:1px solid var(--line)}
  .modules{flex-direction:row;flex-wrap:wrap}
  .module{padding:6px 10px}
  .module.is-todo{display:none}
  .theme-toggle{margin:0 0 0 auto;padding:6px 10px}
  main{padding:20px 16px 40px}
  .needs{grid-template-columns:minmax(0,1fr)}
  .chips b{width:100%}
}
@media (max-width:420px){.personas{grid-template-columns:minmax(0,1fr)}}