:root{color-scheme:light dark;--bg:#f7f7f4;--panel:rgba(255,255,255,.78);--text:#141414;--muted:#666;--line:rgba(20,20,20,.1);--brand:#1b5cff;--brand-2:#00a99d;--source:#008c8c;--source-soft:rgba(0,140,140,.1);--source-line:rgba(0,140,140,.36);--soft:#edf3ff;--shadow:0 20px 60px rgba(0,0,0,.08);--nav-bg:linear-gradient(135deg,rgba(255,255,255,.92),rgba(241,247,255,.88) 44%,rgba(235,255,250,.8));--nav-border:rgba(27,92,255,.14);--nav-shadow:0 10px 30px rgba(20,45,90,.08)}@media (prefers-color-scheme:dark){:root{--bg:#0d0f14;--panel:rgba(20,23,31,.82);--text:#f2f4f8;--muted:#a8b0bf;--line:rgba(255,255,255,.1);--source:#27d3c5;--source-soft:rgba(39,211,197,.12);--source-line:rgba(39,211,197,.4);--soft:#111b33;--shadow:0 20px 60px rgba(0,0,0,.32);--nav-bg:linear-gradient(135deg,rgba(13,18,30,.9),rgba(20,31,52,.86) 48%,rgba(13,43,45,.76));--nav-border:rgba(39,211,197,.16);--nav-shadow:0 12px 38px rgba(0,0,0,.3)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,var(--soft),transparent 34rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}.shell{width:min(1160px,92vw);margin:auto}.nav{position:sticky;top:0;z-index:120;backdrop-filter:blur(20px) saturate(1.22);-webkit-backdrop-filter:blur(20px) saturate(1.22);background:var(--nav-bg);border-bottom:1px solid var(--nav-border);box-shadow:var(--nav-shadow)}.nav:before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,#1b5cffb8,#00a99dd1,#9ddcffb8);pointer-events:none}.nav-inner{position:relative;min-height:64px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:880;letter-spacing:-.045em;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 8px 24px rgba(27,92,255,.1)}.nav a{margin-left:22px;color:color-mix(in srgb,var(--muted) 82%,var(--text));font-size:14px;transition:color .18s ease,opacity .18s ease,text-shadow .18s ease}.nav a:hover,.nav a:focus-visible{color:var(--brand-2);text-shadow:0 0 18px color-mix(in srgb,var(--brand-2) 30%,transparent);outline:none}.hero{padding:72px 0 34px}.eyebrow{color:var(--brand);font-weight:750;letter-spacing:.08em;text-transform:uppercase;font-size:12px}.hero h1{font-size:clamp(30px,5.8vw,66px);line-height:.98;margin:14px 0;letter-spacing:-.06em}.hero p{max-width:800px;color:var(--muted);font-size:18px}.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:22px;margin:28px 0}.card{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(16px)}.section-title{font-size:22px;margin:0 0 14px;letter-spacing:-.03em}.item{padding:18px 0;border-top:1px solid var(--line)}.item:first-child{border-top:0;padding-top:0}.item h3{margin:0 0 10px;font-size:18px;letter-spacing:-.02em}.meta,.muted{color:var(--muted);font-size:13px}.pill{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 10px;margin:4px 6px 4px 0;background:color-mix(in srgb,var(--panel) 78%,transparent);font-size:12px;color:var(--muted)}.item a.pill{color:var(--source);border-color:var(--source-line);background:var(--source-soft);font-weight:650}.item a.pill:hover{color:var(--source);border-color:var(--source);background:color-mix(in srgb,var(--source-soft) 70%,var(--panel))}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{border:1px solid var(--line);border-radius:20px;padding:16px}.stat strong{display:block;font-size:26px}.footer{padding:44px 0;color:var(--muted);font-size:13px}.list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.source-card{border:1px solid var(--line);border-radius:22px;padding:18px;background:var(--panel)}.source-card h3{margin:.2rem 0}.two{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.notice{border-left:4px solid var(--brand);padding:12px 16px;background:var(--panel);border-radius:14px;color:var(--muted)}.wechat-nav{position:relative;display:inline-flex;align-items:center}.wechat-link{cursor:pointer}.wechat-popover{position:absolute;right:0;top:calc(100% + 14px);z-index:160;width:min(300px,78vw);display:none;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);backdrop-filter:blur(20px);text-align:center}.wechat-popover:target{display:block}.wechat-popover:before{content:"";position:absolute;right:24px;top:-8px;width:14px;height:14px;background:var(--panel);border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}.wechat-popover img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;border-radius:16px;background:#fff}.wechat-caption{display:block;margin-top:10px;color:var(--muted);font-size:13px}.wechat-close{position:absolute;right:10px;top:8px;z-index:2;width:28px;height:28px;border:0;border-radius:999px;background:#0000007a;color:#fff!important;font-size:18px!important;line-height:28px;text-align:center;cursor:pointer;margin-left:0!important;text-shadow:none!important}.wechat-close:hover{color:#fff!important}@media (max-width:820px){.grid,.two{grid-template-columns:1fr}.nav-inner{height:auto;padding:14px 0;align-items:flex-start;gap:12px;flex-direction:column}.nav nav{display:flex;flex-wrap:wrap;gap:8px}.nav a{margin-left:0}.wechat-nav{position:static}.wechat-popover{position:absolute;left:50%;right:auto;top:calc(100% + 2em);z-index:180;width:min(86vw,340px);max-height:calc(100vh - 132px);overflow:auto;transform:translate(-50%);padding:14px;border-radius:24px}.wechat-popover:before{display:none}.stats{grid-template-columns:1fr}.hero{padding-top:44px}.card{border-radius:22px;padding:18px}}