*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:#f8fafc;color:#0f172a;line-height:1.6}
a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.narrow{width:min(920px,calc(100% - 32px))}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid #e2e8f0}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.brand{display:flex;align-items:center;gap:12px}.brand-badge{width:40px;height:40px;border-radius:14px;background:#0f172a;color:#fff;display:grid;place-items:center;font-weight:700}.brand-sub{font-size:12px;color:#64748b}.brand-title{font-size:20px;font-weight:700}.nav-links{display:flex;gap:24px;color:#334155}
.hero{padding:72px 0 56px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.hero-tag{display:inline-block;padding:10px 14px;border:1px solid #e2e8f0;background:#fff;border-radius:999px;color:#475569;font-size:14px;box-shadow:0 4px 12px rgba(15,23,42,.05)}
h1{font-size:56px;line-height:1.1;margin:18px 0 0}h1 span{display:block;color:#64748b}.hero-desc{font-size:18px;color:#475569;max-width:640px;margin-top:20px}.hero-actions,.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:18px;padding:14px 22px;cursor:pointer;transition:.2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:#0f172a;color:#fff}.btn-secondary{background:#fff;border:1px solid #cbd5e1;color:#0f172a}.btn-light{background:#fff;color:#0f172a;margin-top:12px}.small-btn{padding:10px 14px;border-radius:12px}.full{width:100%}
.cards,.mini-grid,.flow-grid,.contact-grid,.result-grid{display:grid;gap:18px}.mini-grid{grid-template-columns:1fr 1fr}.flow-grid{grid-template-columns:repeat(4,1fr)}.contact-grid{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr 1fr;margin-top:24px}
.card{background:#fff;border-radius:28px;padding:24px;box-shadow:0 8px 30px rgba(15,23,42,.06)}.card.large ul{padding-left:18px;margin:12px 0 0}.card.large li{margin:10px 0;color:#475569}.soft{background:#f8fafc;box-shadow:none}.dark{background:#0f172a;color:#fff;box-shadow:none}
.section{padding:64px 0}.white{background:#fff;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0}.section-head{margin-bottom:26px}.section-head h2{font-size:34px;margin:0}.section-head p{margin:10px 0 0;color:#64748b}
.num{font-size:13px;font-weight:700;color:#94a3b8;margin-bottom:12px}
.quiz-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px}.progress-box{min-width:260px;background:#fff;border-radius:24px;padding:18px;box-shadow:0 8px 30px rgba(15,23,42,.06)}.progress-meta{display:flex;justify-content:space-between;font-size:14px;color:#64748b;margin-bottom:8px}.progress-track{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress-bar{height:100%;width:0;background:#0f172a}
.question-card{background:#fff;border-radius:28px;padding:24px;box-shadow:0 8px 30px rgba(15,23,42,.06);margin-bottom:18px}.question-no{font-size:13px;font-weight:700;color:#94a3b8;margin-bottom:10px}.question-title{font-size:24px;font-weight:700;margin-bottom:16px}.option-list{display:grid;gap:12px}.option-btn{text-align:left;padding:15px 16px;border:1px solid #cbd5e1;background:#fff;border-radius:18px;cursor:pointer;transition:.2s}.option-btn.active{background:#0f172a;color:#fff;border-color:#0f172a}
.hidden{display:none}.result-card{margin-top:30px;background:#fff;border-radius:36px;padding:28px;box-shadow:0 12px 36px rgba(15,23,42,.08)}.result-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.result-label,.small{font-size:14px;color:#64748b}.pill{display:inline-block;margin-top:12px;background:#f1f5f9;color:#475569;padding:8px 14px;border-radius:999px}.result-summary{margin-top:18px;font-size:18px;color:#475569;max-width:760px}.score-box{background:#f8fafc;border-radius:24px;padding:22px;min-width:180px;text-align:center}.score{font-size:52px;font-weight:800;margin:8px 0}
.level-low{color:#059669}.level-mid{color:#d97706}.level-high{color:#e11d48}.advice-list{padding-left:20px}.advice-list li{margin:12px 0;color:#475569}.dark p{color:#cbd5e1}
.contact-card p{color:#475569}.contact-items{display:grid;gap:14px;margin-top:22px}.contact-item{background:#f8fafc;padding:18px;border-radius:18px}.contact-actions{margin-top:12px}.qr-item{text-align:center}.wechat-qr{width:220px;max-width:100%;height:auto;border-radius:16px;background:#fff;padding:10px;border:1px solid #e2e8f0;margin-top:10px}.qr-tip{font-size:13px;color:#64748b;margin-top:10px}
.form-grid{display:grid;gap:14px}.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:14px 16px;border:1px solid #cbd5e1;border-radius:18px;background:#fff}.form-grid textarea{min-height:150px;resize:vertical}.form-tip,.submit-hint{font-size:14px;color:#64748b;margin:10px 0 16px}.submit-hint{margin-top:14px;padding:12px 14px;background:#f8fafc;border-radius:14px}
.site-footer{background:#fff;border-top:1px solid #e2e8f0}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:32px 0}.footer-title{font-weight:700;margin-bottom:10px}.site-footer p,.copyright{color:#64748b}.copyright{text-align:center;padding:14px 16px;border-top:1px solid #f1f5f9;font-size:13px}
.floating-wechat{position:fixed;right:22px;bottom:22px;z-index:30;background:#0f172a;color:#fff;padding:12px 16px;border-radius:999px;box-shadow:0 10px 24px rgba(15,23,42,.22)}
@media (max-width:900px){.hero-grid,.contact-grid,.result-grid,.footer-grid,.mini-grid,.flow-grid{grid-template-columns:1fr}.quiz-head,.result-top{display:block}.nav{flex-direction:column;align-items:flex-start;gap:10px}.nav-links{display:flex;gap:16px;flex-wrap:wrap}.hero{padding-top:48px}h1{font-size:38px}.question-title{font-size:20px}.floating-wechat{right:14px;bottom:14px;font-size:14px}}