:root{font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}:root{--bg-dark:#0a0a0c;--bg-card:#16161a;--text-main:#e4e4e7;--text-dim:#a1a1aa;--primary:#8b5cf6;--accent:#d4d4d8;--danger:#ef4444;--success:#10b981}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-dark);color:var(--text-main);margin:0;font-family:PingFang SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow-x:hidden}#root{width:100%}.app-container{background:var(--bg-dark);width:100%;max-width:500px;min-height:100vh;color:var(--text-main);flex-direction:column;margin:0 auto;display:flex;position:relative}.screen{flex-direction:column;flex:1;padding:32px 24px;animation:.8s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.home-screen{text-align:center;justify-content:center;align-items:center}.chi-logo{letter-spacing:4px;color:var(--primary);text-transform:uppercase;margin-bottom:40px;font-size:.8rem;font-weight:800}.main-title{color:var(--text-main);margin-bottom:16px;font-size:2.4rem;font-weight:300;line-height:1.3}.sub-title{color:var(--text-dim);letter-spacing:1px;margin-bottom:80px;font-size:1rem}.start-btn{border:1px solid var(--accent);color:var(--text-main);cursor:pointer;letter-spacing:2px;background:0 0;border-radius:4px;padding:16px 48px;font-size:1rem;transition:all .3s}.start-btn:active{background:#ffffff1a;transform:scale(.98)}.quiz-header{margin-bottom:60px}.step-indicator{color:var(--text-dim);letter-spacing:2px;margin-bottom:12px;font-size:.75rem}.progress-line{background:#ffffff1a;width:100%;height:1px}.progress-fill{background:var(--primary);height:100%;transition:width .4s}.question-area{flex-direction:column;flex:1;justify-content:center;display:flex}.question-text{color:var(--text-main);margin-bottom:60px;font-size:1.6rem;font-weight:400;line-height:1.5}.option-list{flex-direction:column;gap:12px;display:flex}.option-item{background:var(--bg-card);color:var(--text-main);text-align:left;cursor:pointer;border:none;border-radius:8px;padding:20px;font-size:1rem;transition:all .2s}.option-item:active{background:var(--primary)}.result-screen{padding-bottom:60px}.result-card{background:var(--bg-card);border:1px solid #ffffff0d;border-radius:16px;margin-bottom:32px;padding:32px 24px}.health-badge{color:var(--primary);border:1px solid var(--primary);border-radius:4px;margin-bottom:16px;padding:4px 10px;font-size:.75rem;display:inline-block}.status-name{color:var(--text-main);margin-bottom:12px;font-size:2rem;font-weight:600}.status-desc{color:var(--text-dim);margin-bottom:24px;font-size:1rem;line-height:1.6}.feature-list{border-top:1px solid #ffffff1a;padding-top:24px}.feature-item{color:var(--text-main);align-items:center;margin-bottom:12px;font-size:.9rem;display:flex}.feature-item:before{content:"·";color:var(--primary);margin-right:8px;font-weight:900}.mechanism-section,.advice-section{margin-top:32px}.section-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:2px;margin-bottom:12px;font-size:.8rem;display:block}.section-content{color:var(--text-main);font-size:1rem;line-height:1.7}.advice-box{border-left:4px solid var(--primary);background:#8b5cf61a;border-radius:12px;padding:20px}.result-footer{text-align:center;margin-top:40px}.restart-link{color:var(--text-dim);border-bottom:1px solid var(--text-dim);cursor:pointer;padding-bottom:2px;font-size:.9rem;text-decoration:none}