:root{--bg: #0b0e14;--bg-soft: #0e1220;--surface: #111725;--surface-2: #161e2f;--surface-3: #1b2436;--border: #202a3a;--border-strong: #2c3a50;--text: #e9edf3;--text-2: #9aa7b9;--text-3: #66738a;--up: #f0434a;--up-soft: rgba(240, 67, 74, .12);--down: #21b573;--down-soft: rgba(33, 181, 115, .12);--accent: #4c8dff;--accent-soft: rgba(76, 141, 255, .12);--amber: #f5a623;--amber-soft: rgba(245, 166, 35, .14);--radius: 12px;--radius-sm: 8px;--font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input{font-family:inherit}button{cursor:pointer}.app{min-height:100vh;padding-bottom:64px}.header{position:sticky;top:0;z-index:30;background:#0b0e14e0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid 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18px;font-size:13px}.retry-btn:hover{background:var(--accent);color:#fff}@media (max-width: 900px){.header-inner{padding:12px 16px;gap:14px}.container{padding:16px 14px 0}.kline-panel{width:min(540px,calc(100vw - 20px))}.summary-grid{grid-template-columns:1fr}}