*{box-sizing:border-box}
:root{
  --ink:#2a1d17;
  --muted:#7b665d;
  --cream:#fff8ef;
  --paper:rgba(255,250,244,.94);
  --paper-solid:#fffaf4;
  --line:rgba(92,55,35,.12);
  --orange:#ff7c2d;
  --orange-deep:#e85d16;
  --orange-soft:#fff0e2;
  --green:#167454;
  --green-soft:#e9f7f0;
  --yellow:#9a6800;
  --yellow-soft:#fff6d8;
  --red:#b72f2a;
  --red-soft:#fff0ee;
  --blue:#346a8a;
  --blue-soft:#eef7fb;
  --shadow:0 24px 80px rgba(108,49,17,.18);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  color:var(--ink);
  font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:#ff913f url("assets/bg.png") center top/cover fixed no-repeat;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 78% 12%,rgba(255,255,255,.16),transparent 27%),
    linear-gradient(180deg,rgba(255,132,53,.03),rgba(255,115,37,.18));
}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(46,91,255,.32);
  outline-offset:2px;
}
.page-shell{position:relative;z-index:1;max-width:1440px;margin:auto;padding:30px 44px 42px}
.brand-header{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-lockup{display:flex;align-items:center;gap:18px}
.brand-cn{width:170px;height:auto}
.brand-en{width:112px;height:auto;opacity:.92}
.privacy-chip{
  border:1px solid rgba(255,255,255,.36);
  background:rgba(81,38,14,.12);
  color:white;
  border-radius:999px;
  padding:9px 14px;
  font-size:13px;
  backdrop-filter:blur(12px);
}
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(310px,.6fr);
  gap:40px;
  align-items:end;
  padding:68px 0 44px;
  color:white;
}
.eyebrow{margin:0 0 12px;font-weight:800;letter-spacing:.15em;font-size:11px;text-transform:uppercase;opacity:.78}
.hero h1{font-size:clamp(42px,5.3vw,74px);line-height:1.03;letter-spacing:-.05em;margin:0;max-width:820px}
.hero h1 span{color:#462417}
.hero-copy{max-width:690px;font-size:17px;line-height:1.8;margin:24px 0 0;color:rgba(255,255,255,.9)}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding:14px;border:1px solid rgba(255,255,255,.2);
  background:rgba(100,48,20,.13);border-radius:24px;backdrop-filter:blur(10px)
}
.hero-facts div{padding:16px 12px;border-right:1px solid rgba(255,255,255,.16)}
.hero-facts div:last-child{border-right:none}
.hero-facts strong{display:block;font-size:30px;line-height:1}
.hero-facts span{display:block;font-size:12px;margin-top:7px;opacity:.78}
.diagnostic-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);gap:22px;align-items:start}
.panel{
  background:var(--paper);
  border:1px solid rgba(255,255,255,.45);
  border-radius:30px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.input-panel{padding:28px}
.result-panel{padding:28px;position:sticky;top:18px;min-height:680px}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}
.panel-heading>div{display:flex;gap:12px;align-items:center}
.step-index{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  color:white;background:var(--ink);font-weight:800;font-size:12px
}
.panel h2{margin:0;font-size:25px;letter-spacing:-.03em}
.text-button,.icon-button{border:0;background:transparent;color:var(--muted);font-weight:700}
.quick-input{
  padding:16px;background:linear-gradient(135deg,#fff5e8,#fffaf4);
  border:1px solid var(--line);border-radius:20px;margin-bottom:24px
}
.quick-input>label,.field-card>label{display:block;font-weight:800;font-size:13px;margin-bottom:9px}
.quick-row{display:grid;grid-template-columns:1fr auto;gap:9px}
.quick-row input,.number-field,input[type=number],select,textarea{
  width:100%;border:1px solid rgba(92,55,35,.16);background:white;border-radius:13px;
  padding:12px 13px;color:var(--ink)
}
.quick-row input{min-width:0}
.secondary-button{
  border:1px solid rgba(92,55,35,.16);background:white;color:var(--ink);
  padding:0 18px;border-radius:13px;font-weight:800
}
.field-note{font-size:11.5px;color:var(--muted);line-height:1.55;margin:8px 0 0}
.field-note:empty{display:none}
.field-group{border:0;padding:0;margin:0 0 25px}
.field-group legend{font-size:13px;font-weight:900;margin-bottom:11px}
.field-group legend span{font-size:10px;color:var(--orange-deep);margin-left:5px}
.choice-grid{display:grid;gap:8px}
.stage-grid{grid-template-columns:repeat(3,1fr)}
.choice-card,.pill,.height-card{
  border:1px solid var(--line);background:rgba(255,255,255,.68);color:var(--ink);
  transition:.18s ease;position:relative
}
.choice-card:hover,.pill:hover,.height-card:hover{transform:translateY(-1px);border-color:rgba(255,124,45,.42)}
.choice-card.selected,.pill.selected,.height-card.selected{
  border-color:var(--orange);background:var(--orange-soft);
  box-shadow:0 0 0 2px rgba(255,124,45,.08) inset
}
.choice-card{padding:13px 12px;text-align:left;border-radius:15px;min-height:64px}
.choice-card b,.choice-card small{display:block}
.choice-card b{font-size:13px}.choice-card small{margin-top:4px;color:var(--muted);font-size:10.5px}
.pill-grid{display:flex;flex-wrap:wrap;gap:8px}
.pill{padding:10px 12px;border-radius:999px;font-weight:900;font-size:12px}
.pill small{font-weight:600;color:var(--muted);margin-left:2px}
.pill.special{border-style:dashed}
.height-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.height-card{
  min-height:118px;border-radius:17px;padding:9px 8px 10px;overflow:hidden;text-align:center
}
.height-card i{
  display:block;position:relative;width:35px;height:54px;margin:1px auto 8px;
  border:2px solid rgba(83,55,40,.22);border-radius:8px 8px 10px 10px;overflow:hidden;background:#fff
}
.height-card i::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:var(--h);
  background:linear-gradient(#ffb874,#ff7c2d);border-radius:3px 3px 6px 6px
}
.height-card i::after{content:"";position:absolute;left:4px;right:4px;top:50%;border-top:1px dashed rgba(57,41,33,.32)}
.height-card i.fallen::before{height:68%;clip-path:polygon(0 36%,100% 22%,100% 100%,0 100%)}
.height-card i.hooch::after{top:30%;height:8px;border:0;background:rgba(109,77,55,.28)}
.height-card b,.height-card small{display:block}.height-card b{font-size:11.5px}.height-card small{font-size:9.5px;color:var(--muted);margin-top:3px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.field-card{border:1px solid var(--line);background:rgba(255,255,255,.58);border-radius:18px;padding:14px}
.field-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.field-topline>label{font-weight:900;font-size:13px}
.switch input{display:none}
.switch span{display:block;width:39px;height:23px;border-radius:999px;background:#d8cec7;position:relative;transition:.2s}
.switch span::after{content:"";position:absolute;width:17px;height:17px;border-radius:50%;background:white;top:3px;left:3px;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.22)}
.switch input:checked+span{background:var(--orange)}.switch input:checked+span::after{transform:translateX(16px)}
.default-chip{font-size:12px;color:var(--muted);padding:11px;border-radius:12px;background:#f5eee8}
.temp-readout{font-weight:900;font-size:20px}.temp-readout em{font-style:normal;font-weight:700;font-size:10px;color:var(--muted);margin-left:5px}
input[type=range]{width:100%;accent-color:var(--orange);margin-top:8px}
.range-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:9px}
.number-field{display:flex;align-items:center;padding:0;background:white}
.number-field input{border:0;padding:11px 5px 11px 0;outline:0;background:transparent}
.number-field span{font-size:11px;color:var(--muted);white-space:nowrap}
.advanced-card{border:1px solid var(--line);background:rgba(255,255,255,.54);border-radius:18px;margin-bottom:17px;overflow:hidden}
.advanced-card summary{list-style:none;padding:14px 15px;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;font-weight:900;font-size:13px}
.advanced-card summary::-webkit-details-marker{display:none}
.advanced-card summary small{font-weight:500;color:var(--muted);font-size:10px}
.advanced-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:0 15px 15px}
.advanced-grid label{font-weight:800;font-size:11px}
.advanced-grid select,.advanced-grid input,.advanced-grid textarea{margin-top:6px;font-size:12px}
.notes-field{grid-column:1/-1}.notes-field textarea{resize:vertical}
.primary-button{
  width:100%;border:0;border-radius:17px;background:var(--ink);color:white;padding:16px 18px;
  display:flex;justify-content:space-between;align-items:center;font-weight:900;box-shadow:0 10px 22px rgba(51,31,22,.14)
}
.primary-button:hover{background:#111}
.validation-message{margin:9px 2px 0;color:var(--red);font-size:11px;min-height:16px}
.empty-result{min-height:620px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px}
.empty-result h2{font-size:31px;max-width:410px}.empty-result>p:last-child{max-width:390px;color:var(--muted);line-height:1.7}
.doctor-orbit{width:96px;height:96px;border-radius:50%;position:relative;margin-bottom:24px;border:1px dashed rgba(255,124,45,.45)}
.doctor-orbit::before{content:"";position:absolute;inset:22px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 10px var(--orange-soft)}
.doctor-orbit span{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--orange)}
.doctor-orbit span:nth-child(1){top:3px;left:43px}.doctor-orbit span:nth-child(2){right:5px;top:43px}.doctor-orbit span:nth-child(3){bottom:5px;left:43px}.doctor-orbit span:nth-child(4){left:5px;top:43px}
.is-hidden{display:none!important}
.result-content{min-height:620px}
.result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}
.status-badge{display:inline-flex;border-radius:999px;padding:6px 10px;font-weight:900;font-size:10px;margin-bottom:8px}
.status-badge.ok{background:var(--green-soft);color:var(--green)}
.status-badge.warn{background:var(--yellow-soft);color:var(--yellow)}
.status-badge.danger{background:var(--red-soft);color:var(--red)}
.status-badge.info{background:var(--blue-soft);color:var(--blue)}
.result-head h2{font-size:30px}
.icon-button{border:1px solid var(--line);background:white;border-radius:11px;padding:8px 11px;font-size:11px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.metric{background:#f7f0e9;border-radius:15px;padding:12px}
.metric span{display:block;color:var(--muted);font-size:9.5px;font-weight:700}
.metric strong{display:block;margin-top:6px;font-size:12px;line-height:1.35}
.metric.featured{background:var(--orange-soft)}.metric.featured strong{font-size:17px;color:var(--orange-deep)}
.insight-card{border-left:4px solid var(--orange);background:#fff5e9;border-radius:12px;padding:12px 13px;margin:10px 0;font-size:12px;line-height:1.65}
.insight-card.warn{border-left-color:#c18800;background:var(--yellow-soft)}.insight-card.ok{border-left-color:var(--green);background:var(--green-soft)}
.report-section{padding:16px 0;border-top:1px solid var(--line)}.report-section h3{font-size:13px;margin:0 0 10px}
.report-section ul,.report-section ol,.safety-box ul{padding-left:19px;margin:0}.report-section li,.safety-box li{margin:7px 0;font-size:12px;line-height:1.62}
.action-section ol{counter-reset:action;list-style:none;padding:0}
.action-section li{counter-increment:action;padding:11px 12px 11px 43px;background:#fff;border:1px solid var(--line);border-radius:13px;position:relative}
.action-section li::before{content:counter(action);position:absolute;left:12px;top:10px;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;background:var(--orange-soft);color:var(--orange-deep);font-size:10px;font-weight:900}
.safety-box{border:1px solid rgba(183,47,42,.16);background:var(--red-soft);border-radius:15px;padding:13px;margin-top:6px;color:#81211d}
.safety-box strong{font-size:12px}
.result-disclaimer{font-size:9.5px;color:var(--muted);line-height:1.55;margin-top:16px}
.framework-section{padding:80px 0 22px;color:#48291d}
.section-heading{max-width:690px;color:white;margin-bottom:24px}.section-heading h2{font-size:36px;margin:0 0 12px}.section-heading>p:last-child{line-height:1.65;opacity:.86}
.framework-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.framework-grid article{background:rgba(255,249,242,.9);border:1px solid rgba(255,255,255,.4);border-radius:22px;padding:21px;box-shadow:0 15px 44px rgba(110,51,17,.12);backdrop-filter:blur(8px)}
.framework-grid article span{font-size:10px;font-weight:900;color:var(--orange-deep)}.framework-grid h3{font-size:16px;margin:17px 0 8px}.framework-grid p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
.knowledge-section{padding:28px 0 35px}
.knowledge-card{background:rgba(56,31,21,.88);color:white;border-radius:28px;padding:30px;box-shadow:var(--shadow)}
.knowledge-card h2{font-size:30px;margin:0 0 20px}.knowledge-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.knowledge-columns>div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:18px}
.knowledge-columns h3{font-size:14px;margin:0 0 8px}.knowledge-columns p,.science-note p{font-size:12px;line-height:1.75;color:rgba(255,255,255,.78);margin:0}
.science-note{margin-top:14px;border-top:1px solid rgba(255,255,255,.12);padding-top:14px}.science-note summary{cursor:pointer;font-weight:800;font-size:12px}.science-note p{margin-top:10px}
footer{display:flex;align-items:center;justify-content:space-between;gap:20px;color:white;border-top:1px solid rgba(255,255,255,.2);padding:25px 0 0}
footer img{width:104px}footer p{font-size:10px;opacity:.78}
@media(max-width:1080px){
  .page-shell{padding:24px}
  .hero{grid-template-columns:1fr}.hero-facts{max-width:450px}
  .diagnostic-layout{grid-template-columns:1fr}.result-panel{position:relative;top:auto;min-height:0}
  .empty-result,.result-content{min-height:0}.empty-result{padding:70px 25px}
  .framework-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .page-shell{padding:16px}
  .brand-cn{width:132px}.brand-en{width:84px}.privacy-chip{font-size:10px;padding:7px 10px}
  .hero{padding:48px 0 28px}.hero h1{font-size:42px}.hero-copy{font-size:14px}.hero-facts{grid-template-columns:repeat(3,1fr)}
  .input-panel,.result-panel{padding:19px;border-radius:23px}
  .stage-grid{grid-template-columns:1fr 1fr}.height-grid{grid-template-columns:repeat(2,1fr)}
  .two-col,.advanced-grid,.knowledge-columns{grid-template-columns:1fr}.notes-field{grid-column:auto}
  .framework-grid{grid-template-columns:1fr}.section-heading h2{font-size:30px}
}
@media(max-width:430px){
  .brand-en{display:none}.hero-facts{gap:5px;padding:9px}.hero-facts strong{font-size:24px}.hero-facts span{font-size:9px}
  .quick-row{grid-template-columns:1fr}.secondary-button{padding:11px}
  .metric-grid{grid-template-columns:1fr}.stage-grid{grid-template-columns:1fr 1fr}
}