:root{font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:#142033;background:#f5f7fb;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--panel-bg: rgba(255, 255, 255, .92);--panel-border: rgba(148, 163, 184, .18);--panel-shadow: 0 18px 48px rgba(15, 23, 42, .08);--accent-blue: #4F81BD;--accent-orange: #F28E2B;--text-main: #142033;--text-muted: #5b677a}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:radial-gradient(circle at top left,rgba(79,129,189,.13),transparent 34%),radial-gradient(circle at right 10% top 20%,rgba(242,142,43,.1),transparent 28%),linear-gradient(180deg,#f9fbff 0%,#f5f7fb 48%,#eef3f9 100%)}button,select{font:inherit}.app-shell{position:relative;overflow:hidden}.app-bg{position:absolute;inset:auto;width:28rem;height:28rem;border-radius:50%;filter:blur(16px);opacity:.5;pointer-events:none}.app-bg-left{top:-8rem;left:-10rem;background:radial-gradient(circle,rgba(79,129,189,.14),transparent 68%)}.app-bg-right{right:-8rem;top:12rem;background:radial-gradient(circle,rgba(242,142,43,.16),transparent 68%)}.page{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:40px 20px 56px}.hero{padding:10px 4px 24px}.hero-kicker,.eyebrow{margin:0 0 10px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#6f7b8f}.hero h1,.controls-header h2,.chart-header h2{margin:0;color:var(--text-main)}.hero h1{font-size:clamp(2rem,5vw,3.35rem);line-height:1.06;max-width:11ch}.hero-copy{margin:16px 0 0;max-width:760px;color:var(--text-muted);font-size:1rem;line-height:1.72}.dev-hint{margin:14px 0 0;display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(79,129,189,.08);color:#36567f;font-size:.92rem}.panel{background:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow);backdrop-filter:blur(12px);border-radius:22px}.controls-panel,.chart-panel,.state-panel{padding:22px}.controls-panel{margin-top:6px}.controls-header,.chart-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.granularity-switch{display:inline-flex;gap:8px;padding:6px;background:#eef3f9;border-radius:999px}.switch-button{border:0;background:transparent;color:#50607a;padding:10px 18px;border-radius:999px;cursor:pointer;transition:all .18s ease}.switch-button.active{background:#ffffff;color:#152238;box-shadow:0 8px 18px #0f172a14}.time-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.control-field{display:flex;flex-direction:column;gap:10px;color:var(--text-muted);font-size:.95rem}.control-field select{appearance:none;border:1px solid rgba(148,163,184,.32);background:#fff;border-radius:14px;padding:14px 16px;color:var(--text-main);transition:border-color .18s ease,box-shadow .18s ease}.control-field select:focus{outline:none;border-color:#4f81bdad;box-shadow:0 0 0 4px #4f81bd1f}.stat-grid{margin:22px 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.stat-card{padding:18px 18px 20px;border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(246,249,253,.96));border:1px solid rgba(148,163,184,.16);box-shadow:0 12px 28px #0f172a0f}.stat-card p{margin:0 0 12px;color:var(--text-muted);font-size:.92rem;line-height:1.5}.stat-card strong{font-size:clamp(1.5rem,3vw,1.9rem);color:var(--text-main)}.chart-panel{overflow:hidden}.state-panel{margin-top:22px;color:var(--text-muted);text-align:center}.state-panel.error{color:#b42318;background:rgba(255,247,245,.96)}@media (max-width: 1100px){.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 820px){.page{padding:28px 16px 44px}.controls-header,.chart-header{flex-direction:column}.time-filters,.stat-grid{grid-template-columns:1fr}.granularity-switch{width:100%;justify-content:space-between}.switch-button{flex:1}.controls-panel,.chart-panel,.state-panel{padding:18px}}