:root{--primary: #1a5ce0;--primary-light: #e8f0fe;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--text: #1f2937;--text-secondary: #6b7280;--bg: #f5f7fa;--card: #ffffff;--border: #e5e7eb;--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:15px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}#root{min-height:100vh;max-width:480px;margin:0 auto;background:var(--bg);position:relative}a{color:var(--primary);text-decoration:none}.page{padding:16px 16px 70px;min-height:100vh}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:8px 0;z-index:100;box-shadow:0 -2px 10px #0000000d}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--text-secondary);padding:4px 16px;border-radius:8px;transition:color .2s}.bottom-nav a.active{color:var(--primary);font-weight:600}.bottom-nav a .nav-icon{font-size:22px}.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:0 1px 4px #0000000a}.btn-primary{display:block;width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;text-align:center;transition:opacity .2s}.btn-primary:active{opacity:.8}.btn-primary:disabled{opacity:.5}.btn-outline{display:block;width:100%;padding:14px;background:#fff;color:var(--primary);border:1px solid var(--primary);border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;text-align:center}.btn-outline:active{background:var(--primary-light)}.btn-lg{padding:16px;font-size:18px;border-radius:16px}.score-circle{width:100px;height:100px;border-radius:50%;border:4px solid var(--primary);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto}.score-circle .score-num{font-size:36px;font-weight:700;color:var(--primary)}.score-circle .score-label{font-size:12px;color:var(--text-secondary)}.tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:13px}.tag-blue{background:var(--primary-light);color:var(--primary)}.tag-green{background:#ecfdf5;color:#059669}.dim-bar{margin:8px 0}.dim-bar .dim-header{display:flex;justify-content:space-between;margin-bottom:4px;font-size:13px}.dim-bar .dim-header .dim-name{color:var(--text)}.dim-bar .dim-header .dim-score{color:var(--primary);font-weight:600}.dim-bar .dim-track{height:6px;border-radius:3px;background:#e5e7eb;overflow:hidden}.dim-bar .dim-track .dim-fill{height:100%;border-radius:3px;background:var(--primary);transition:width .6s}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state .empty-icon{font-size:48px;margin-bottom:12px;opacity:.4}.empty-state .empty-text{font-size:15px;margin-bottom:16px}.processing-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);padding:10px 20px;border-radius:8px;color:#fff;font-size:14px;z-index:1000;animation:toast-in .3s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}