:root{
  --bg:#fff8fa;
  --surface:#ffffff;
  --surface-soft:#fff2f5;
  --text:#2c2528;
  --muted:#7d7076;
  --line:#eedfe4;
  --pink:#ff8aa1;
  --pink-dark:#d85d78;
  --gold:#e3bb39;
  --shadow:0 14px 42px rgba(92,55,68,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:
  radial-gradient(circle at 85% 2%,rgba(255,138,161,.16),transparent 28rem),
  linear-gradient(180deg,#fffafb 0,#fff8fa 35%,#fff 100%);
  color:var(--text);
  font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
.page-shell{width:min(1180px,calc(100% - 32px));margin:auto}
.topbar{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--text);color:white;font-size:13px;font-weight:800;letter-spacing:.08em}
.brand strong,.brand small{display:block}.brand small{color:var(--muted);margin-top:2px}
.top-actions{display:flex;gap:10px;align-items:center}
.status-dot{font-size:12px;color:var(--muted)}
.status-dot::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#c7c0c3;margin-right:7px}
.status-dot.ready::before{background:#35a365}
.ghost-btn{border:1px solid var(--line);border-radius:999px;padding:9px 14px;background:rgba(255,255,255,.75)}
.hero{min-height:360px;padding:70px 58px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;background:linear-gradient(135deg,#fff 0,#fff2f5 62%,#fff7df 130%);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.eyebrow,.kicker{font-size:11px;letter-spacing:.16em;font-weight:800;color:var(--pink-dark)}
.hero h1{font-size:clamp(38px,6vw,70px);line-height:1;margin:15px 0 18px;letter-spacing:-.045em}
.hero p{font-size:18px;color:var(--muted);max-width:620px;line-height:1.7}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.hero-meta span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.7);border:1px solid var(--line);font-size:12px;color:var(--muted)}
.hero-note{min-width:260px;border-left:1px solid rgba(44,37,40,.12);padding-left:28px;display:grid;gap:8px;color:var(--muted)}
.hero-note strong{color:var(--text);margin-bottom:5px}.hero-note i{font-style:normal;color:var(--pink)}
.section{padding:78px 0 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
.section h2{font-size:32px;letter-spacing:-.03em;margin:7px 0 0}
.segmented{display:flex;border:1px solid var(--line);border-radius:999px;padding:4px;background:white}
.seg-btn{border:0;background:transparent;border-radius:999px;padding:8px 18px;color:var(--muted);cursor:pointer}
.seg-btn.active{background:var(--text);color:white}
.platform-summary{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:12px;margin-bottom:15px}
.summary-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.85)}
.summary-card strong{display:block;font-size:20px}.summary-card span{color:var(--muted);font-size:12px;line-height:1.5}
.summary-card.headline strong{font-size:16px;line-height:1.5}
.hotspot-list{display:grid;gap:10px}
.hotspot-card{display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:start;padding:18px 20px;background:white;border:1px solid var(--line);border-radius:19px;transition:.2s ease}
.hotspot-card:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(92,55,68,.07)}
.hotspot-rank{font-size:27px;font-weight:800;color:#d6c8cd}
.hotspot-main h3{font-size:17px;line-height:1.55;margin:0}
.hotspot-main p{color:var(--muted);line-height:1.65;margin:9px 0 0;font-size:13px}
.hotspot-meta{display:flex;gap:6px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.badge{font-size:10px;font-weight:800;letter-spacing:.06em;padding:5px 8px;border-radius:999px}
.badge.direct{background:#eaf7ef;color:#237a45}.badge.inferred{background:#fff5d9;color:#8c6900}.badge.hypothesis{background:#fff0f3;color:#a13c55}
.support{font-size:11px;color:var(--muted);padding:5px 8px;border-radius:999px;border:1px solid var(--line)}
.caveat{font-size:11px!important;border-left:2px solid #e7c8cf;padding-left:9px}
.fine-print{font-size:11px;color:var(--muted);margin:12px 4px 0}
.insight-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.insight-card{padding:24px;background:white;border:1px solid var(--line);border-radius:22px}
.insight-card h3{font-size:17px;line-height:1.55;margin:11px 0 10px}.insight-card p{font-size:13px;line-height:1.7;color:var(--muted)}
.insight-card details{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.insight-card summary{cursor:pointer;font-size:12px;color:var(--muted)}
.evidence-list{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.7}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.panel{padding:24px;background:white;border:1px solid var(--line);border-radius:22px}
.panel-title{display:flex;align-items:center;gap:9px;margin-bottom:20px}.panel h3{margin:0;font-size:17px}
.platform-pill{font-size:10px;font-weight:800;padding:5px 8px;border-radius:999px}.platform-pill.weibo{background:#fff0f3;color:#b44460}.platform-pill.douban{background:#edf7f1;color:#347355}
.bar-list{display:grid;gap:13px}.bar-row{display:grid;grid-template-columns:100px 1fr 54px;align-items:center;gap:10px;font-size:12px}
.bar-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar-track{height:8px;border-radius:999px;background:#f3ecef;overflow:hidden}.bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pink),#f1bd67)}
.bar-value{text-align:right;color:var(--muted)}
.metric-block{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{padding:15px;border-radius:16px;background:var(--surface-soft)}.metric strong{display:block;font-size:24px}.metric span{font-size:11px;color:var(--muted);line-height:1.4}
.methodology{padding-bottom:80px}
.guardrail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.guardrail{padding:16px 18px;border:1px dashed #e3cfd6;border-radius:16px;color:var(--muted);font-size:12px;line-height:1.65;background:rgba(255,255,255,.6)}
details{margin-top:16px}summary{cursor:pointer}.method-detail{margin-top:12px;padding:18px;border-radius:16px;background:white;border:1px solid var(--line);font-size:12px;line-height:1.7;color:var(--muted);white-space:pre-wrap}
footer{display:flex;justify-content:space-between;gap:20px;padding:28px 0 42px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
.error-box{padding:18px;border:1px solid #f0c8d0;border-radius:16px;background:#fff1f4;color:#9d3d54}
@media(max-width:820px){
  .hero{padding:48px 28px;align-items:flex-start;flex-direction:column}.hero-note{border-left:0;border-top:1px solid rgba(44,37,40,.1);padding:18px 0 0;width:100%}
  .platform-summary{grid-template-columns:1fr 1fr}.summary-card.headline{grid-column:1/-1}
  .insight-grid,.stat-grid,.guardrail-grid{grid-template-columns:1fr}
}
@media(max-width:580px){
  .page-shell{width:min(100% - 20px,1180px)}.topbar{height:64px}.status-dot{display:none}.hero{min-height:auto;border-radius:22px;padding:38px 20px}.hero p{font-size:15px}
  .section{padding-top:58px}.section-head{align-items:flex-start;flex-direction:column}.section h2{font-size:27px}
  .platform-summary{grid-template-columns:1fr}.summary-card.headline{grid-column:auto}
  .hotspot-card{grid-template-columns:40px 1fr}.hotspot-meta{grid-column:2;justify-content:flex-start}.hotspot-rank{font-size:22px}
  .metric-block{grid-template-columns:1fr 1fr}.bar-row{grid-template-columns:86px 1fr 46px}
  footer{flex-direction:column}
}