:root{--bg:#f4f7fb;--bg-deco:radial-gradient(1200px 600px at 15% -10%, #e8f0ff, #e8f0ff00 60%), radial-gradient(900px 500px at 95% 0%, #f0ecff, #f0ecff00 55%);--card:#fff;--card-soft:#fbfcfe;--text:#0d1526;--text-2:#334155;--muted:#6b7a90;--line:#e7edf5;--line-strong:#d8e2ee;--brand:#1f6feb;--brand-soft:#eaf2ff;--green:#16a34a;--green-soft:#e8f8ee;--amber:#d97706;--shadow-sm:0 1px 2px #1020380a, 0 1px 3px #1020380f;--shadow-md:0 6px 24px #10203812, 0 2px 6px #1020380a;--shadow-lg:0 18px 48px #1020381a;--radius:16px;--rail-left:calc(clamp(0px, 2.6vw, 46px));--radius-sm:10px;--gold:linear-gradient(135deg, #ffd970, #f5a623);--silver:linear-gradient(135deg, #e8eef7, #b9c7d9);--bronze:linear-gradient(135deg, #f6c8a4, #d98555)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);background-image:var(--bg-deco);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-repeat:no-repeat;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.55}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}::selection{background:#cfe1ff}*{scrollbar-width:thin;scrollbar-color:#cdd8e6 transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#cdd8e6;border-radius:999px}@keyframes fade-up{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.85)}}@keyframes shimmer{0%{background-position:-320px 0}to{background-position:320px 0}}.skeleton{background:linear-gradient(90deg,#eef2f8 25%,#f7f9fc 37%,#eef2f8 63%) 0 0/640px 100%;border-radius:6px;animation:1.4s ease-in-out infinite shimmer}.site-header[data-v-4972ce92]{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(12px);backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--line);background:#ffffffe0;position:sticky;top:0}.inner[data-v-4972ce92]{gap:16px;max-width:1280px;margin:0 auto;padding:8px 20px;display:flex}.brand[data-v-4972ce92],.home-btn[data-v-4972ce92],.inner[data-v-4972ce92],.tab[data-v-4972ce92],.tabs[data-v-4972ce92]{align-items:center}.brand[data-v-4972ce92]{letter-spacing:-.2px;color:#101828;flex:none;gap:8px;font-size:14px;font-weight:800;display:inline-flex}.brand-dot[data-v-4972ce92]{background:linear-gradient(135deg,#1f6feb,#4f46e5);border-radius:50%;width:10px;height:10px;box-shadow:0 0 0 3px #1f6feb1f}.home-btn[data-v-4972ce92]{border:1px solid var(--line);color:#56657a;background:#fff;border-radius:8px;flex:none;gap:4px;height:26px;padding:0 9px;font-size:12px;font-weight:550;transition:all .15s;display:inline-flex}.home-btn[data-v-4972ce92]:hover{color:var(--brand);background:#f7fbff;border-color:#cfe0fb}.home-btn.on[data-v-4972ce92]{color:var(--brand);background:#eef4ff;border-color:#0000}.tabs[data-v-4972ce92]{scrollbar-width:none;flex:1;gap:4px;min-width:0;display:flex;overflow-x:auto}.tabs[data-v-4972ce92]::-webkit-scrollbar{display:none}.tab[data-v-4972ce92]{color:#56657a;white-space:nowrap;border-radius:9px;gap:5px;padding:6px 11px;font-size:12.5px;font-weight:550;transition:all .15s;display:inline-flex}.tab[data-v-4972ce92]:hover{color:var(--brand);background:#f1f6fd}.tab.active[data-v-4972ce92]{background:var(--brand);color:#fff;box-shadow:0 3px 10px #1f6feb47}.tab-icon[data-v-4972ce92]{font-size:12px;line-height:1}@media (width<=720px){.inner[data-v-4972ce92]{gap:10px;padding:8px 14px}.brand-text[data-v-4972ce92],.home-label[data-v-4972ce92]{display:none}.tab[data-v-4972ce92]{padding:6px 9px;font-size:12px}}.app-shell{min-height:100vh;padding-left:var(--rail-left)}@media (width<=900px){.app-shell{padding-left:0}}