@font-face{font-family:Inter;src:url(/fonts/inter-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/inter-500.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/inter-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono-500.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}:root{--red:#d32f2f;--soft:#fff2f0;--ink:#111111;--text:#374151;--muted:#6b7280;--panel:#ffffff;--page:#f7f8fa;--line:#eceef1;--line-strong:#d9dee7;--green:#389e0d;--radius:8px;--card-radius:12px;--shadow:0 1px 2px rgba(17,17,17,.05);--shadow-lift:0 10px 30px rgba(17,17,17,.06);--container-max:1160px;--container-pad:clamp(20px,4vw,40px);--section-gap:clamp(56px,7vw,88px);--font:"Inter","PingFang SC",-apple-system,system-ui,"Hiragino Sans GB","Microsoft YaHei",sans-serif;--mono:"JetBrains Mono",SFMono-Regular,ui-monospace,Consolas,Menlo,monospace}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--panel);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4,p{margin:0}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}::selection{background:var(--soft);color:var(--red)}:focus-visible{outline:2px solid var(--red);outline-offset:2px;border-radius:4px}.wrap{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad)}.page{display:block;min-height:60vh;padding-bottom:24px}.section{margin-top:var(--section-gap)}.section:first-of-type{margin-top:clamp(40px,5vw,64px)}.site-header{position:sticky;top:0;z-index:40;background:#ffffffe0;-webkit-backdrop-filter:saturate(150%) blur(12px);backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:24px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:16px;white-space:nowrap}.brand-mark{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--ink);color:#fff;font-family:var(--mono);font-size:13px;font-weight:500}.brand-mark .dot{width:6px;height:6px;border-radius:50%;background:var(--red)}.top-nav{display:flex;align-items:center;gap:2px;margin-inline:auto;overflow:auto;scrollbar-width:none}.top-nav::-webkit-scrollbar{display:none}.nav-link{padding:8px 12px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:500;white-space:nowrap;transition:color .15s,background .15s}.nav-link:hover{color:var(--ink);background:var(--page)}.nav-link[aria-current=page]{color:var(--ink)}.nav-link[aria-current=page]:after{content:"";display:block;height:2px;margin-top:6px;border-radius:2px;background:var(--red)}.header-tail{display:flex;align-items:center;gap:12px;white-space:nowrap}.top-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;min-width:200px;background:var(--page);border:1px solid transparent;border-radius:999px;transition:border-color .15s,background .15s}.top-search:focus-within{background:#fff;border-color:var(--line-strong)}.top-search svg{color:var(--muted);flex:none}.top-search input{border:0;background:none;outline:none;font:inherit;font-size:14px;color:var(--ink);width:100%}.top-search input::placeholder{color:var(--muted)}.auth-widget{display:flex;align-items:center;gap:10px;font-size:14px}.auth-widget .avatar{width:30px;height:30px;border-radius:50%;background:var(--soft);color:var(--red);display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:500}.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;place-items:center;cursor:pointer;color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:.15s;white-space:nowrap}.btn:hover{border-color:var(--ink)}.btn-accent{background:var(--red);border-color:var(--red);color:#fff}.btn-accent:hover{background:#b71c1c;border-color:#b71c1c}.btn-ghost{border-color:transparent;background:transparent;padding-inline:8px;color:var(--muted)}.btn-ghost:hover{color:var(--red)}.btn-sm{height:34px;padding:0 14px;font-size:13px}.btn-lg{height:48px;padding:0 26px;font-size:15px}.btn-link{color:var(--red);font-weight:500;display:inline-flex;align-items:center;gap:6px}.btn-link:hover{gap:9px}.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;pointer-events:none}.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:8px}.eyebrow .tick{width:16px;height:1px;background:var(--red)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-title{font-size:clamp(22px,3vw,28px);font-weight:600;color:var(--ink);letter-spacing:-.01em}.section-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:52ch}.section-link{color:var(--muted);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px}.section-link:hover{color:var(--red)}.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 11px;border-radius:999px;background:var(--page);color:var(--muted);font-size:13px;font-weight:500;border:1px solid var(--line)}.badge-accent{background:var(--soft);color:var(--red);border-color:transparent}.badge-dot:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.tag{font-family:var(--mono);font-size:13px;color:var(--muted)}.num{font-family:var(--mono);font-variant-numeric:tabular-nums}.up{color:var(--green);font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}.down{color:var(--red);font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--card-radius);padding:28px;transition:border-color .18s,box-shadow .18s,transform .18s}.card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.card-title{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-.01em}.card-desc{color:var(--muted);font-size:14px;margin-top:8px;text-wrap:pretty}.card-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-top:16px;font-family:var(--mono)}.card-feature{border:2px solid var(--red);box-shadow:0 12px 34px var(--soft)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.split{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(24px,4vw,48px);align-items:start}.split-even{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:start}.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--card-radius);overflow:hidden}.list-row{display:flex;align-items:center;gap:16px;padding:18px 22px;border-top:1px solid var(--line);transition:background .15s}.list-row:first-child{border-top:0}.list-row:hover{background:var(--page)}.list-rank{font-family:var(--mono);font-size:14px;color:var(--muted);width:24px;flex:none;text-align:center;font-variant-numeric:tabular-nums}.list-row.lead .list-rank{color:var(--red)}.list-main{flex:1;min-width:0}.list-main h4{font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-main .sub{color:var(--muted);font-size:13px;margin-top:3px}.list-tail{flex:none;color:var(--muted);font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}.stat{padding:24px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--panel)}.stat-value{font-family:var(--mono);font-size:clamp(28px,4vw,38px);font-weight:500;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}.stat-label{color:var(--muted);font-size:13px;margin-top:10px}.hero{padding-block:clamp(48px,7vw,84px)}.hero-title{font-size:clamp(32px,5.4vw,54px);line-height:1.1;font-weight:600;color:var(--ink);letter-spacing:-.02em;text-wrap:balance}.hero-title .accent{color:var(--red)}.hero-sub{font-size:clamp(16px,2vw,19px);color:var(--muted);margin-top:20px;max-width:46ch;text-wrap:pretty}.hero-search{display:flex;align-items:center;gap:10px;height:56px;padding:0 8px 0 20px;margin-top:32px;max-width:560px;background:#fff;border:1px solid var(--line-strong);border-radius:999px;box-shadow:var(--shadow-lift)}.hero-search:focus-within{border-color:var(--red)}.hero-search svg{color:var(--muted);flex:none}.hero-search input{flex:1;border:0;outline:none;background:none;font:inherit;font-size:16px;color:var(--ink);min-width:0}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.chip{height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;color:var(--text);font:inherit;font-size:13px;cursor:pointer;transition:.15s;display:inline-flex;align-items:center}.chip:hover{border-color:var(--red);color:var(--red)}.channel-card{position:relative;display:block;padding:26px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--panel);transition:.18s;overflow:hidden}.channel-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.channel-card .ico{width:44px;height:44px;border-radius:12px;background:var(--page);color:var(--ink);display:grid;place-items:center;margin-bottom:20px}.channel-card.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.channel-card.primary .ico{background:#ffffff1f;color:#fff}.channel-card.primary .ch-desc{color:#ffffffa8}.channel-card.primary .ch-eyebrow{color:#ffffff8c}.channel-card.primary .glow{position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(211,47,47,.55),transparent 70%);filter:blur(6px)}.ch-eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}.ch-name{font-size:19px;font-weight:600;color:inherit;margin-top:6px}.ch-desc{color:var(--muted);font-size:14px;margin-top:10px;text-wrap:pretty}.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:28px}.filter-tabs{display:flex;gap:4px;flex-wrap:wrap}.tab{height:36px;padding:0 16px;border-radius:999px;border:1px solid transparent;background:transparent;color:var(--muted);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:.15s}.tab:hover{color:var(--ink);background:var(--page)}.tab[aria-selected=true]{background:var(--ink);color:#fff}.filter-search{margin-left:auto}.empty-state{padding:64px 20px;text-align:center;color:var(--muted);font-size:15px;display:none}.is-empty .empty-state{display:block}.band{background:var(--page);border:1px solid var(--line);border-radius:16px;padding:clamp(36px,5vw,56px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}.band h3{font-size:clamp(22px,3vw,30px);font-weight:600;color:var(--ink);letter-spacing:-.01em;text-wrap:balance}.band p{color:var(--muted);margin-top:12px;max-width:46ch}.band-actions{display:flex;gap:12px;flex-wrap:wrap}.detail{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(28px,4vw,56px);align-items:start;margin-top:36px}.article{max-width:70ch}.article h1{font-size:clamp(28px,4vw,40px);font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1.15;text-wrap:balance}.article p{margin-top:18px;font-size:16px;color:var(--text)}.article h2{font-size:22px;font-weight:600;color:var(--ink);margin-top:40px}.aside-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--card-radius);padding:24px;position:sticky;top:84px}.aside-card h4{font-size:13px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:16px}.crumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin-top:clamp(28px,4vw,40px)}.crumb a{color:var(--muted)}.crumb a:hover{color:var(--red)}.crumb .sep{color:var(--line-strong)}.crumb .cur{color:var(--ink)}.aside-list a{display:block;padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink);font-weight:500}.aside-list a:first-child{border-top:0}.aside-list a:hover{color:var(--red)}.aside-list .k{font-family:var(--mono);font-size:13px;color:var(--muted);display:block;margin-bottom:2px}.sub-hero{margin-top:clamp(20px,3vw,32px)}.sub-hero h1{font-size:clamp(26px,3.6vw,36px);font-weight:600;color:var(--ink);letter-spacing:-.01em;margin-top:14px}.sub-hero p{color:var(--muted);font-size:16px;margin-top:12px;max-width:52ch;text-wrap:pretty}.ph-img{background:linear-gradient(135deg,var(--page),#eef1f4);border:1px solid var(--line);border-radius:var(--card-radius);display:grid;place-items:center;color:var(--muted);font-family:var(--mono);font-size:12px;aspect-ratio:16/10}.site-footer{margin-top:var(--section-gap);border-top:1px solid var(--line);background:var(--page)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-block:40px}.footer-inner .brand{font-size:15px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--ink)}.footer-copy{color:var(--muted);font-size:13px;font-family:var(--mono)}.auth-modal{border:0;border-radius:16px;padding:0;width:min(440px,92vw);box-shadow:0 24px 70px #11111138}.auth-modal::backdrop{background:#1111116b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.auth-body{padding:32px}.auth-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px}.auth-head h3{font-size:20px;font-weight:600;color:var(--ink)}.auth-head p{color:var(--muted);font-size:13px;margin-top:6px}.auth-close{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);display:grid;place-items:center}.auth-close:hover{color:var(--ink);border-color:var(--line-strong)}.auth-tabs{display:flex;gap:4px;padding:4px;background:var(--page);border-radius:10px;margin-bottom:20px}.auth-tabs button{flex:1;height:36px;border:0;background:transparent;border-radius:8px;font:inherit;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer}.auth-tabs button[aria-selected=true]{background:#fff;color:var(--ink);box-shadow:var(--shadow)}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--text);margin-bottom:6px;font-weight:500}.field input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;font:inherit;font-size:15px;color:var(--ink);background:#fff;outline:none}.field input:focus{border-color:var(--red)}.field-row{display:flex;gap:10px}.wechat-box{text-align:center;padding:12px 0}.qr{width:160px;height:160px;margin:0 auto 16px;border:1px solid var(--line-strong);border-radius:12px;background:repeating-conic-gradient(var(--ink) 0 25%,#fff 0 50%) 0/16px 16px;opacity:.9}.auth-status{margin-top:14px;font-size:13px;color:var(--green);min-height:18px;text-align:center}[hidden]{display:none!important}@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.aside-card{position:static}}@media(max-width:860px){.top-nav{display:none}.nav-toggle{display:grid}.top-search{display:none}.header-inner{gap:12px}.split,.split-even{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){body{font-size:14px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:flex-start;gap:8px}.band{flex-direction:column;align-items:flex-start}.field-row{flex-direction:column}}.mobile-nav{position:fixed;inset:64px 0 auto 0;z-index:39;background:#fff;border-bottom:1px solid var(--line);padding:12px var(--container-pad) 20px;box-shadow:var(--shadow-lift);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.18s}.mobile-nav.open{transform:none;opacity:1;pointer-events:auto}.mobile-nav a{display:block;padding:12px 8px;color:var(--text);font-size:15px;font-weight:500;border-bottom:1px solid var(--line)}.mobile-nav a[aria-current=page]{color:var(--red)}.mobile-nav .m-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;margin-bottom:8px;background:var(--page);border-radius:10px}.mobile-nav .m-search input{flex:1;border:0;background:none;outline:none;font:inherit}.skip-link{position:absolute;left:12px;top:-56px;z-index:60;height:40px;padding:0 18px;display:inline-flex;align-items:center;background:var(--ink);color:#fff;border-radius:8px;font-size:14px;font-weight:500;transition:top .16s ease}.skip-link:focus-visible{top:12px;outline:2px solid #fff;outline-offset:2px}.tag,.card-meta,.list-tail,.badge,.card-meta *{letter-spacing:.01em}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.assist-toggle .pulse,.ticker .live{animation:none!important}}