:root{--bg:#0D0D0D;--deep:#080808;--card:#161616;--card2:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--muted:#B0B0B0;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--orange4:#FFB347;--border:rgba(255,107,0,.18);--border2:rgba(255,140,0,.4);--shadow:0 16px 48px rgba(0,0,0,.65);--glow:0 12px 36px rgba(255,107,0,.22);--max:1280px;--nav:74px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.72;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit;color:inherit}.top{position:sticky;top:0;z-index:90;height:var(--nav);background:rgba(8,8,8,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.topin,.wrap,.hero,.pagehead,.section{max-width:var(--max);margin:auto;padding-left:24px;padding-right:24px}.topin{height:100%;display:flex;align-items:center;gap:20px}.logo{min-width:max-content}.logo img{max-width:118px;max-height:44px;object-fit:contain}.logo b{font-size:25px;color:#fff}.mainnav{display:flex;flex:1;gap:4px}.mainnav a,.navbtn{min-height:44px;padding:10px 13px;border:0;border-radius:999px;background:transparent;display:inline-flex;align-items:center;cursor:pointer;white-space:nowrap}.mainnav a:hover,.mainnav a.is-active,.navbtn:hover,.navbtn.is-active{color:var(--orange4);background:rgba(255,107,0,.09)}.actions{display:flex;align-items:center;gap:7px}.appbtn,.primary{min-height:44px;padding:10px 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--orange2),var(--orange),var(--orange3));color:#fff;font-weight:800;box-shadow:var(--glow);white-space:nowrap}.hamb{width:44px;height:44px;border:0;background:transparent;border-radius:12px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px;cursor:pointer}.hamb i{height:2px;width:22px;background:#fff;border-radius:3px}.mob{display:none}main{min-height:70vh}.heroarea{background:radial-gradient(circle at 78% 20%,rgba(255,107,0,.14),transparent 34%),linear-gradient(180deg,#111,#080808);border-bottom:1px solid var(--border)}.hero{padding-top:72px;padding-bottom:72px}.herogrid{display:grid;grid-template-columns:1.65fr 1fr;gap:28px}.visual,.herocopy,.card,.feature,.notice,.quote,.phone,.cover,.policy{background:var(--card);border:1px solid var(--border);border-radius:16px}.visual{min-height:470px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}.visual img{width:100%;height:100%;object-fit:contain}.visual .fallback{font-size:42px;font-weight:900;color:#fff}.herocopy{padding:30px;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--orange4);font-weight:800;font-size:13px;letter-spacing:.12em}.eyebrow:before{content:"";display:inline-block;width:24px;height:2px;background:var(--orange);vertical-align:middle;margin-right:8px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,70px);line-height:1.08;color:#fff;letter-spacing:-.035em;margin-bottom:22px}h2{font-size:clamp(28px,3vw,42px);line-height:1.2;color:#fff}h3{font-size:20px;color:#fff}.lead{font-size:18px;color:#ddd}.muted,.card p,.feature p,.policy p{color:var(--muted)}.buttons{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.secondary{min-height:44px;padding:10px 18px;border:1px solid var(--border2);border-radius:999px;display:inline-flex;align-items:center;justify-content:center}.mini a{display:block;padding:12px 0;border-top:1px solid #2a2a2a}.quick{background:#090909;border-bottom:1px solid var(--border)}.quickin{max-width:var(--max);margin:auto;padding:12px 24px;display:flex;gap:22px;overflow-x:auto}.quickin a{white-space:nowrap;color:#bbb}.section{padding-top:70px;padding-bottom:70px}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.sectionhead p{max-width:680px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.card,.feature,.notice,.quote,.policy{padding:25px}.card a,.feature a{color:var(--orange4);font-weight:800}.featuregrid{display:grid;grid-template-columns:1.45fr 1fr;gap:18px}.stack{display:grid;gap:16px}.track{display:flex;gap:16px;overflow-x:auto}.track .card{min-width:300px}.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.chip{padding:16px;border:1px solid var(--border);border-radius:999px;background:var(--card)}.chip b{display:block}.chip span{font-size:13px;color:var(--muted)}.numbergrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:n}.number{counter-increment:n;padding:26px;background:var(--card);border:1px solid var(--border);border-radius:16px;position:relative}.number:after{content:"0" counter(n);position:absolute;right:20px;top:8px;font-size:44px;font-weight:900;color:rgba(255,107,0,.23)}.timeline{display:grid;gap:13px}.timeline article{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:22px;background:var(--card);border-left:2px solid var(--orange);border-radius:0 14px 14px 0}.tag{display:inline-flex;padding:5px 10px;border:1px solid var(--border2);border-radius:999px;color:var(--orange4);font-size:12px;font-weight:800}.pageband{background:linear-gradient(180deg,#101010,#0b0b0b);border-bottom:1px solid var(--border)}.pagehead{padding-top:68px;padding-bottom:48px;display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:end}.sidenote{border-left:2px solid var(--orange);padding:18px;color:var(--muted)}.editorial{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.indexlist{border:1px solid var(--border);border-radius:16px;overflow:hidden}.indexlist article{padding:26px;background:var(--card);border-bottom:1px solid #282828}.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.wall .card:nth-child(1){grid-column:span 7}.wall .card:nth-child(2){grid-column:span 5}.wall .card:nth-child(n+3){grid-column:span 4}.directory{border-top:1px solid var(--border)}.directory article{display:grid;grid-template-columns:86px 1fr auto;gap:18px;padding:25px 0;border-bottom:1px solid var(--border)}.num{font-size:34px;font-weight:900;color:rgba(255,107,0,.4)}.covers{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.cover{min-height:280px;padding:27px;display:flex;flex-direction:column;justify-content:end;background:radial-gradient(circle at 80% 20%,rgba(255,107,0,.15),transparent 30%),var(--card)}.rows{display:grid;gap:15px}.row{display:grid;grid-template-columns:1fr 1.6fr auto;gap:20px;align-items:center;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:14px}.ranks{display:grid;gap:12px}.rank{display:grid;grid-template-columns:90px 1fr 170px;gap:20px;align-items:center;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:14px}.rank strong{font-size:48px;color:rgba(255,107,0,.4)}.articles article{display:grid;grid-template-columns:170px 1fr;gap:22px;padding:23px 0;border-bottom:1px solid var(--border)}.articles .label{color:var(--orange4);font-weight:800}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic{min-height:260px;padding:25px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,#171717,#0f0f0f);display:flex;flex-direction:column}.topic a{margin-top:auto;color:var(--orange4);font-weight:800}.phonegrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center}.phone{min-height:500px;border-radius:36px;padding:18px;display:flex;align-items:center;justify-content:center}.phone img{max-height:460px;object-fit:contain}.steps{counter-reset:s;display:grid;gap:14px}.step{counter-increment:s;position:relative;padding:23px 23px 23px 75px;background:var(--card);border:1px solid var(--border);border-radius:14px}.step:before{content:counter(s);position:absolute;left:22px;top:22px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--orange);font-weight:900}.policies{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.policy{border-top:3px solid var(--orange);border-radius:0 0 14px 14px}.helpgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.helpgrid a{padding:24px;background:var(--card);border:1px solid var(--border);border-radius:16px}.faq{display:grid;gap:12px}.faq details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:0 20px}.faq summary{cursor:pointer;font-weight:800;padding:18px 0}.faq p{color:var(--muted);padding-bottom:18px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.flow article{padding:22px;background:var(--card);border:1px solid var(--border);border-radius:14px}.quote{background:radial-gradient(circle at 80% 20%,rgba(255,107,0,.1),transparent 38%),var(--card)}.foot{background:#050505;border-top:1px solid var(--border);padding:54px 0 calc(30px + env(safe-area-inset-bottom));color:#a0a0a0}.footbrand{display:flex;gap:18px;max-width:680px}.footbrand img{max-width:100px;max-height:48px;object-fit:contain}.footbrand strong{display:block;color:#fff;font-size:24px}.footbrand small{display:block;color:var(--orange4);letter-spacing:.14em}.footgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:35px 0}.footgrid a{display:block;padding:4px 0}.legal,.copy{border-top:1px solid #1c1c1c;padding-top:18px}.copy{display:flex;justify-content:space-between;font-size:13px}.mask{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.7);opacity:0;visibility:hidden;pointer-events:none}.mask.on{opacity:1;visibility:visible;pointer-events:auto}.panel{position:fixed;right:0;top:0;bottom:0;z-index:120;width:min(460px,88vw);background:#0b0b0b;border-left:1px solid var(--border);transform:translateX(100%);visibility:hidden;pointer-events:none;display:flex;flex-direction:column;box-shadow:var(--shadow)}.panel.on{transform:none;visibility:visible;pointer-events:auto}.panelhead{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--border)}.plogo{display:flex;align-items:center;gap:9px}.plogo img{max-width:90px;max-height:36px;object-fit:contain}.close{width:44px;height:44px;border:0;border-radius:50%;background:var(--card2);font-size:28px;cursor:pointer}.panelscroll{overflow-y:auto;padding:18px 22px 34px}.panelscroll h3{font-size:14px;color:var(--orange4);margin-top:25px}.panelscroll a{display:block;padding:12px 0;border-top:1px solid #232323}.panelscroll a b,.panelscroll a span{display:block}.panelscroll a span{font-size:13px;color:#999}.searchpanel{position:fixed;z-index:105;top:74px;left:0;right:0;background:rgba(8,8,8,.98);border-bottom:1px solid var(--border);visibility:hidden;opacity:0;pointer-events:none}.searchpanel.on{visibility:visible;opacity:1;pointer-events:auto}.searchhead{display:flex;justify-content:space-between;align-items:center;padding-top:24px}.searchbox{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;padding:12px 16px;margin:18px 0;background:var(--card);border:1px solid var(--border2);border-radius:14px}.searchbox input{border:0;outline:0;background:transparent;min-height:42px}.searchlinks{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:28px}.searchlinks a{padding:9px 13px;border-radius:999px;background:var(--card2)}.searchlinks a[hidden]{display:none}.bottom{display:none}:focus-visible{outline:3px solid var(--orange4);outline-offset:3px}
@media(max-width:980px){.mainnav a{padding:10px 8px;font-size:14px}.herogrid,.pagehead,.featuregrid,.editorial,.phonegrid{grid-template-columns:1fr}.herocopy{order:-1}.grid,.topics,.helpgrid{grid-template-columns:repeat(2,1fr)}.grid.four,.chips{grid-template-columns:repeat(2,1fr)}.wall .card:nth-child(n){grid-column:span 6}.footgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--nav:64px}.desk,.mainnav{display:none!important}.mob{display:flex}.top{height:64px}.topin{padding:0 15px;justify-content:space-between}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-width:100px;max-height:38px}.actions{margin-left:auto}.appbtn{padding:9px 14px}.hero,.pagehead,.section,.wrap{padding-left:15px;padding-right:15px}.hero{padding-top:42px;padding-bottom:48px}.visual{min-height:240px}.herocopy{padding:20px}.section{padding-top:54px;padding-bottom:54px}.grid,.grid.two,.grid.four,.topics,.helpgrid,.policies,.covers,.chips{grid-template-columns:1fr}.numbergrid{grid-template-columns:1fr}.timeline article{grid-template-columns:1fr}.wall{grid-template-columns:1fr}.wall .card:nth-child(n){grid-column:auto}.directory article{grid-template-columns:56px 1fr}.directory article>a{grid-column:2}.row,.rank{grid-template-columns:1fr}.articles article{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.footgrid{grid-template-columns:1fr 1fr}.copy{flex-direction:column;gap:10px}.foot{padding-bottom:90px}.bottom{position:fixed;z-index:80;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:rgba(5,5,5,.97);border-top:1px solid var(--border)}.bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#aaa}.bottom a.is-active{color:var(--orange4);background:rgba(255,107,0,.08)}.searchpanel{top:64px;bottom:0;overflow-y:auto}.panelhead{height:64px}.sectionhead{flex-direction:column;align-items:flex-start}.buttons{display:grid;grid-template-columns:1fr 1fr}.primary,.secondary{width:100%}.track .card{min-width:82vw}}
@media(max-width:430px){h1{font-size:38px}.footgrid{grid-template-columns:1fr}.buttons{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}