:root{--bg:#f5f5f7;--card:#fff;--fg:#1d1d1f;--fg-muted:#6e6e73;--fg-faint:#86868b;--line:#d2d2d7;--accent:#0071e3;--accent-hover:#0077ed;--accent-soft:#0071e314;--gold:#b25000;--ok:#34c759;--danger:#e30000;--topic-bg:#0071e312;--banner-bg:#0071e30f;--banner-border:#0071e340;--nav-bg:#fbfbfdcc;--rule-line:#1d1d1f09;--shadow-card:0 2px 12px #0000000a, 0 1px 2px #00000008;--shadow-card-hover:0 12px 32px #0000001f, 0 2px 6px #0000000d;--radius:18px;--sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html[data-theme=dark]{--bg:#000;--card:#1d1d1f;--fg:#f5f5f7;--fg-muted:#a1a1a6;--fg-faint:#6e6e73;--line:#2d2d30;--accent:#2997ff;--accent-hover:#409cff;--accent-soft:#2997ff1f;--gold:#ff9f0a;--ok:#30d158;--danger:#ff453a;--topic-bg:#2997ff1f;--banner-bg:#2997ff14;--banner-border:#2997ff4d;--nav-bg:#161617cc;--rule-line:#f5f5f70a;--shadow-card:none;--shadow-card-hover:0 12px 32px #0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:14px;line-height:1.5}::selection{background:#0071e32e}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--line);border:2px solid var(--bg);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--fg-faint)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.shell{align-items:stretch;width:100%;min-height:100vh;display:flex}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(1200px 500px at 12% -8%, #0071e309, transparent 60%), radial-gradient(900px 420px at 95% 108%, #b2500008, transparent 60%), repeating-linear-gradient(0deg, transparent 0 31px, var(--rule-line) 31px 32px);position:fixed;inset:0}html[data-theme=dark] body:before{background:radial-gradient(1200px 500px at 12% -8%, #2997ff0d, transparent 60%), radial-gradient(900px 420px at 95% 108%, #ff9f0a08, transparent 60%), repeating-linear-gradient(0deg, transparent 0 31px, var(--rule-line) 31px 32px)}.sidebar{border-right:1px solid var(--line);background:var(--bg);flex-direction:column;flex-shrink:0;width:240px;height:100vh;display:flex;position:sticky;top:0}.brand{border-bottom:1px solid var(--line);padding:24px 20px 18px}.brand-row{align-items:center;gap:9px;display:flex}.brand-mark{color:var(--fg);display:flex}.brand-name{letter-spacing:-.02em;font-size:20px;font-weight:700;display:block}.brand-sub{letter-spacing:.04em;color:var(--fg-faint);margin-top:2px;font-size:11px;font-weight:500;display:block}.nav-group-label{color:var(--fg-faint);padding:20px 20px 6px;font-size:11px;font-weight:600}.cats{flex-direction:column;gap:2px;padding:0 12px 12px;display:flex}.cats-scroll{flex:1;overflow-y:auto}.cat{width:100%;color:var(--fg-muted);font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;padding:8px 12px;font-size:14px;transition:background .14s ease-out,color .14s ease-out;display:flex}.cat:hover{background:var(--accent-soft);color:var(--fg)}.cat-active{background:var(--accent);color:#fff;font-weight:600}.cat-num{font-variant-numeric:tabular-nums;opacity:.55;min-width:22px;font-size:11px;font-weight:600}.cat-active 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select:hover{color:var(--fg);border-color:var(--fg-faint)}.theme-toggle{background:var(--card);border:1px solid var(--line);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;width:36px;height:36px;font-size:15px;transition:transform .14s ease-out,border-color .14s ease-out;display:flex}.theme-toggle:hover{border-color:var(--fg-faint);transform:scale(1.05)}.theme-toggle:active{transform:scale(.97)}.rate{font-variant-numeric:tabular-nums;color:var(--fg-faint);white-space:nowrap;align-items:center;gap:6px;margin-left:auto;font-size:12px;display:flex}.rate-dot{background:var(--ok);border-radius:50%;width:7px;height:7px}.rate-low .rate-dot{background:var(--danger);animation:1.2s infinite pulse}.rate-low{color:var(--danger)}@keyframes pulse{50%{opacity:.35}}.content{padding:40px clamp(24px,4vw,64px) 80px}.cat-head h1{letter-spacing:-.02em;margin:0;font-size:28px;font-weight:700;line-height:1.15}.head-note{color:var(--fg-faint);margin:6px 0 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card-in{0%{opacity:0;transform:translateY(16px)scale(.98)}to{opacity:1;transform:none}}.card:hover{box-shadow:var(--shadow-card-hover);transform:scale(1.015)}.card-top{align-items:center;gap:10px;display:flex}.card-avatar{background:var(--bg);border-radius:9px;flex-shrink:0}.card-name{letter-spacing:-.01em;color:var(--fg);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:15px;font-weight:600;overflow:hidden}.card:hover .card-name{color:var(--accent)}.card-rank{font-variant-numeric:tabular-nums;color:var(--accent);background:var(--accent-soft);border-radius:999px;flex-shrink:0;padding:2px 9px;font-size:11px;font-weight:700}.card-desc{color:var(--fg-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:40px;margin:0;font-size:13.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.card-topics{flex-wrap:wrap;gap:6px;display:flex}.topic{background:var(--topic-bg);color:var(--accent);white-space:nowrap;border-radius:999px;padding:2px 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ease-out;display:flex}.talk-row:hover{box-shadow:var(--shadow-card-hover);transform:scale(1.015)}.talk-media{background:var(--bg);border-radius:12px;flex-shrink:0;width:92px;height:92px;display:block;overflow:hidden}.talk-img{object-fit:cover;width:100%;height:100%;display:block}.talk-fallback{letter-spacing:.02em;width:100%;height:100%;color:color-mix(in srgb, var(--src-color,var(--accent)) 80%, var(--fg));background:radial-gradient(90px 60px at 80% 15%, color-mix(in srgb, var(--src-color,var(--accent)) 14%, transparent), transparent 70%), color-mix(in srgb, var(--src-color,var(--accent)) 8%, var(--bg));justify-content:center;align-items:center;font-size:17px;font-weight:700;display:flex}.talk-body{flex-direction:column;flex:1;gap:7px;min-width:0;display:flex}.talk-badge{color:var(--fg-muted);background:color-mix(in srgb, var(--src-color) 12%, var(--card));border:1px solid color-mix(in srgb, var(--src-color) 30%, var(--line));border-radius:999px;align-self:flex-start;padding:2px 9px;font-size:11px;font-weight:600}.talk-title{min-width:0;color:var(--fg);letter-spacing:-.01em;-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:14px;font-weight:600;line-height:1.45;text-decoration:none;display:-webkit-box;overflow:hidden}.talk-title:hover{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.talk-meta{font-variant-numeric:tabular-nums;color:var(--fg-muted);align-items:center;gap:12px;margin-top:auto;font-size:12px;display:flex}.talk-time{color:var(--fg-faint);margin-left:auto}.talk-foot{color:var(--fg-faint);align-items:baseline;gap:8px;margin-top:28px;font-size:12px;display:flex}.banner{border:1px solid var(--banner-border);background:var(--banner-bg);color:var(--accent);border-radius:12px;margin:20px 0 0;padding:12px 16px;font-size:13px}.loading{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-top:28px;display:grid}.skeleton-row{background:linear-gradient(90deg, var(--card) 25%, var(--bg) 50%, var(--card) 75%);border-radius:var(--radius);background-size:200% 100%;height:160px;animation:1.4s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.empty{text-align:center;padding:80px 24px}.empty-title{letter-spacing:-.01em;margin:0 0 8px;font-size:21px;font-weight:700}.empty-hint{color:var(--fg-muted);margin:0 0 20px}.retry{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:none;border-radius:999px;padding:10px 26px;font-size:14px;font-weight:500;transition:background .14s ease-out,transform .14s ease-out}.retry:hover{background:var(--accent-hover);transform:translateY(-1px)}@media (width<=860px){.shell{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--line);width:100%;height:auto;position:static}.cats{flex-flow:row;padding:6px 12px;overflow-x:auto}.cats-scroll{overflow:auto hidden}.nav-group-label{display:none}.cat{white-space:nowrap;width:auto}.sidebar-foot{display:none}.toolbar{flex-wrap:wrap;padding:10px 16px}.rate{margin-left:0}.talk-meta{flex-wrap:wrap}.content{padding:28px 16px 60px}.cat-head h1{font-size:32px}.card-grid,.loading{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.talk-row{animation:none}.card:hover,.talk-row:hover{transform:none}}