:root{
  --pf1-bg:#f5f7fb;
  --pf1-text:#0f172a;
  --pf1-muted:#64748b;
  --pf1-card:#ffffff;
  --pf1-line:#e2e8f0;
  --pf1-blue:#173b8f;
  --pf1-accent:#1f4ed8;
  --pf1-accent2:#0f766e;
  --pf1-shadow:0 24px 80px rgba(15,23,42,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.pf1-page{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(31,78,216,.12), transparent 28%),
    radial-gradient(circle at 90% 10%, rgba(15,118,110,.10), transparent 30%),
    var(--pf1-bg);
  color:var(--pf1-text);
}
.pf1-shell{width:min(940px,100%);margin:0 auto;padding:18px 14px 48px}
.pf1-hero,.pf1-result-hero{
  border-radius:30px;
  padding:24px;
  background:linear-gradient(135deg,#ffffff,#f8fafc);
  box-shadow:var(--pf1-shadow);
  overflow:hidden;
  position:relative;
}
.pf1-hero:before,.pf1-result-hero:before{
  content:"";
  position:absolute;
  width:320px;height:320px;border-radius:999px;
  right:-120px;top:-120px;
  background:linear-gradient(135deg,rgba(31,78,216,.18),rgba(15,118,110,.14));
}
.pf1-hero.compact{min-height:auto}
.pf1-brand{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.pf1-brand.light .pf1-brand-title,.pf1-brand.light .pf1-brand-sub{color:#fff}
.pf1-logo{
  width:48px;height:48px;border-radius:15px;
  background:linear-gradient(135deg,#163a8a,#0f766e);
  color:white;display:flex;align-items:center;justify-content:center;
  font-weight:900;letter-spacing:.5px;
}
.pf1-brand-title{font-weight:900;font-size:17px}
.pf1-brand-sub{font-size:12px;color:var(--pf1-muted);margin-top:2px}
.pf1-kicker{
  margin-top:34px;
  color:#2450b8;
  font-size:13px;
  letter-spacing:2px;
  font-weight:900;
  text-transform:uppercase;
  position:relative;z-index:1;
}
.pf1-hero h1,.pf1-result-hero h1{
  position:relative;z-index:1;
  margin:10px 0 10px;
  font-size:clamp(34px,8vw,62px);
  line-height:1.03;
  letter-spacing:-2px;
}
.pf1-hero p{
  position:relative;z-index:1;
  color:#475569;font-size:16px;line-height:1.8;max-width:720px;
}
.pf1-hero-actions,.pf1-action-row{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;margin-top:20px}
.pf1-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 20px;border-radius:999px;
  font-weight:900;text-decoration:none;border:1px solid transparent;
  cursor:pointer;
}
.pf1-btn-primary{background:linear-gradient(135deg,var(--pf1-accent),var(--pf1-accent2));color:#fff;box-shadow:0 14px 30px rgba(31,78,216,.25)}
.pf1-btn-ghost{background:#fff;color:#0f172a;border-color:#cbd5e1}
.pf1-full{width:100%;margin-top:12px}
.pf1-alert{margin:18px 0;padding:14px 16px;border-radius:16px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-weight:800}
.pf1-form{margin-top:18px}
.pf1-progress-wrap{
  position:sticky;top:0;z-index:5;
  background:rgba(245,247,251,.86);backdrop-filter:blur(14px);
  padding:12px 0;
}
.pf1-progress-text{font-size:13px;color:#475569;font-weight:800;margin-bottom:8px}
.pf1-progress{height:9px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.pf1-progress div{height:100%;width:0;background:linear-gradient(90deg,#1f4ed8,#0f766e);transition:width .2s ease}
.pf1-question-card{
  margin:16px 0;
  padding:20px;
  border-radius:24px;
  background:var(--pf1-card);
  box-shadow:0 12px 36px rgba(15,23,42,.08);
  border:1px solid rgba(226,232,240,.8);
}
.pf1-q-no{
  display:inline-flex;
  padding:5px 10px;border-radius:999px;
  background:#eff6ff;color:#1d4ed8;
  font-weight:900;font-size:12px;
}
.pf1-question-card h2{font-size:18px;line-height:1.55;margin:12px 0 16px}
.pf1-options{display:grid;gap:10px}
.pf1-option{
  display:flex;gap:10px;align-items:flex-start;
  padding:13px;border-radius:18px;border:1px solid #e2e8f0;
  background:#fff;cursor:pointer;transition:.15s ease;
}
.pf1-option:hover{border-color:#93c5fd;background:#f8fbff}
.pf1-option input{margin-top:5px}
.pf1-option-key{
  width:26px;height:26px;border-radius:9px;
  background:#f1f5f9;color:#334155;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;flex:0 0 26px;
}
.pf1-option-text{line-height:1.55;color:#1e293b}
.pf1-submit{
  width:100%;
  min-height:56px;border:0;border-radius:999px;
  color:#fff;font-size:17px;font-weight:900;
  background:linear-gradient(135deg,#1f4ed8,#0f766e);
  box-shadow:0 18px 42px rgba(31,78,216,.24);
}
.pf1-footnote{font-size:12px;color:#64748b;line-height:1.7;text-align:center;margin:18px 0}
.result-shell{padding-top:0}
.pf1-result-hero{
  margin:0 -14px 18px;
  border-radius:0 0 34px 34px;
  background:linear-gradient(135deg,var(--pf1-accent),var(--pf1-accent2));
  color:#fff;
}
.pf1-result-card{
  position:relative;z-index:1;
  margin-top:26px;
  padding:22px;
  border-radius:28px;
  background:rgba(255,255,255,.94);
  color:#0f172a;
  box-shadow:0 22px 70px rgba(15,23,42,.18);
}
.pf1-result-card .pf1-kicker{margin-top:0;color:#64748b}
.pf1-result-card h1{font-size:clamp(34px,9vw,60px)}
.pf1-subtitle{font-size:22px;font-weight:900;color:var(--pf1-accent);margin-top:-4px}
.pf1-secondary{margin-top:16px;padding:12px 14px;border-radius:16px;background:#f8fafc;border:1px solid #e2e8f0;color:#334155;font-weight:800}
.pf1-keywords{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pf1-keywords span,.pf1-task-chips span{
  display:inline-flex;padding:8px 12px;border-radius:999px;
  background:rgba(31,78,216,.10);color:#173b8f;font-weight:900;font-size:13px;
}
.pf1-soft-note,.pf1-section,.pf1-upgrade{
  margin:16px 0;
  padding:18px;
  border-radius:24px;
  background:#fff;
  box-shadow:0 12px 36px rgba(15,23,42,.07);
  border:1px solid rgba(226,232,240,.8);
}
.pf1-section h2,.pf1-upgrade h2{font-size:21px;margin:0 0 12px}
.pf1-section-head p,.pf1-section-note,.pf1-upgrade p{color:#475569;line-height:1.75}
.pf1-card-preview{
  border-radius:26px;overflow:hidden;background:#e2e8f0;border:1px solid #cbd5e1;
}
.pf1-card-preview img{display:block;width:100%;height:auto}
.pf1-evidence-list{display:grid;gap:10px}
.pf1-evidence{
  padding:14px;border-radius:18px;background:#f8fafc;border:1px solid #e2e8f0;
}
.pf1-evidence span{display:inline-flex;font-size:12px;font-weight:900;color:#1d4ed8;background:#eff6ff;border-radius:999px;padding:4px 9px}
.pf1-evidence p{margin:8px 0 0;line-height:1.7;color:#334155}
.pf1-strength-grid{display:grid;gap:10px}
.pf1-strength{
  padding:15px;border-radius:18px;background:linear-gradient(135deg,#f8fafc,#ffffff);border:1px solid #e2e8f0;
}
.pf1-strength h3{margin:0 0 6px;font-size:16px}
.pf1-strength p{margin:0;color:#475569;line-height:1.7}
.pf1-reminder{background:#fff7ed;border-color:#fed7aa}
.pf1-reminder h2{color:#9a3412}
.pf1-reminder p{color:#7c2d12;line-height:1.8}
.pf1-task-chips{display:flex;gap:8px;flex-wrap:wrap}
.pf1-upgrade{
  background:linear-gradient(135deg,#eff6ff,#f0fdfa);
  border-color:#bfdbfe;
}
.pf1-upgrade ul{margin:10px 0 0;padding-left:18px;color:#334155;line-height:1.8}
.pf1-price{margin-top:14px;display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}
.pf1-price strong{font-size:20px;color:#0f766e}
.pf1-price span{color:#64748b}
.pf1-price.big strong{font-size:24px}
@media (min-width:760px){
  .pf1-shell{padding:28px 22px 70px}
  .pf1-options{grid-template-columns:1fr 1fr}
  .pf1-strength-grid{grid-template-columns:repeat(3,1fr)}
  .pf1-result-hero{margin:0 0 22px;border-radius:34px}
}