:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;--bg: #f6f7f8;--panel: #ffffff;--ink: #182226;--ink-2: #405057;--ink-3: #52626a;--muted: #68757d;--line: #d9e0e3;--line-soft: #e5ecef;--line-strong: #bfcbd0;--line-deep: #bdcbd0;--soft: #eef2f3;--brand: #176b5f;--brand-deep: #0f4c43;--brand-soft: #e3f1ef;--brand-hover: #0f766e;--blue: #2f5d7c;--blue-soft: #e8f0f5;--info: #2f5d7c;--info-soft: #e8f0f5;--accent: #9a5f1c;--danger: #b42318;--ok: #157f3b;--ok-soft: #e7f6ec;--warn: #9a5f1c;--warn-soft: #fff4df;--rose-soft: #fff1f0;--book-teal: #1f4a50;--book-teal-light: #2a8a82;--book-teal-soft: rgba(42, 138, 130, .1);--shadow: 0 16px 34px rgba(26, 42, 48, .1);--shadow-soft: 0 6px 18px rgba(26, 42, 48, .06);--shadow-card: 0 2px 8px rgba(26, 42, 48, .04);--shadow-hover: 0 12px 28px rgba(26, 42, 48, .12);--shadow-brand: 0 4px 12px rgba(23, 107, 95, .2);--shadow-brand-hover: 0 8px 18px rgba(23, 107, 95, .28);--fs-xs: 12px;--fs-sm: 13px;--fs-base: 14px;--fs-md: 15px;--fs-lg: 17px;--fs-xl: 20px;--fs-2xl: 24px;--fs-3xl: 30px;--fs-hero: 42px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-7: 32px;--sp-8: 40px;--r-sm: 6px;--r-base: 8px;--r-lg: 12px;--r-xl: 16px;--r-pill: 999px;--t-fast: .15s;--t-normal: .25s;--t-slow: .4s;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:var(--r-pill)}::-webkit-scrollbar-thumb:hover{background:var(--muted)}::selection{background:var(--brand-soft);color:var(--brand-deep)}button,a{transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease)}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-sm)}.panel{transition:box-shadow var(--t-normal) var(--ease),transform var(--t-normal) var(--ease),border-color var(--t-normal) 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var(--line-strong);background:var(--panel);color:var(--ink-2)}.secondary-button:hover{border-color:var(--brand);color:var(--brand)}.ghost-button{border:1px solid var(--line);background:var(--panel);color:var(--ink-2)}.ghost-button:hover{background:var(--soft);border-color:var(--line-strong)}.danger-button{background:linear-gradient(135deg,var(--danger) 0%,var(--danger) 100%);border:0;color:var(--panel)}.danger-button:hover{transform:translateY(-2px);box-shadow:0 8px 18px #b4231847}.empty-state{animation:fade-in var(--t-slow) var(--ease)}.section-title h3{font-size:var(--fs-xl);font-weight:900}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--r-pill);font-size:var(--fs-xs);font-weight:800;background:var(--soft);color:var(--ink-2)}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-hover) 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var(--line-deep);border-radius:var(--r-base);background:var(--soft);color:var(--muted);text-align:center}.loading{display:grid;place-items:center;min-height:260px;color:var(--muted)}@media(max-width:1400px){.app-shell{grid-template-columns:216px minmax(0,1fr)}.side-nav{padding:18px 10px;gap:12px}.main-area{padding:24px 24px 32px}}@media(max-width:1180px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.main-area{padding:20px 18px 28px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:980px){.app-shell{grid-template-columns:1fr}.side-nav{position:static;height:auto;border-right:0;border-bottom:1px solid 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