:root{--bg:#0D0D0D;--deep:#080808;--panel:#161616;--panel2:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--muted:#B0B0B0;--faint:#777;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--light:#FFB347;--border:rgba(255,107,0,.18);--border2:rgba(255,140,0,.40);--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,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.06;color:#fff;letter-spacing:-.04em}h2{font-size:clamp(1.55rem,2.8vw,2.45rem);line-height:1.2;color:#fff}h3{font-size:1.12rem;color:#fff}p{color:var(--muted)}.skip-link{position:fixed;left:16px;top:-80px;background:#fff;color:#000;padding:10px 14px;z-index:500}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:120;background:rgba(8,8,8,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.nav-wrap{max-width:var(--max);height:var(--nav);padding:0 20px;margin:auto;display:flex;align-items:center;gap:18px}.brand{display:inline-flex;align-items:center;min-width:max-content}.brand-logo{height:38px;width:auto;max-width:142px;object-fit:contain}.brand-text{font-weight:900;font-size:1.4rem;color:#fff;letter-spacing:.04em}.brand-text::first-letter{color:var(--orange)}.main-nav{display:flex;gap:6px;align-items:center;flex:1}.main-nav a,.nav-link-btn,.nav-icon-btn{padding:9px 12px;border-radius:999px;color:#d8d8d8;white-space:nowrap;border:1px solid transparent;background:transparent;cursor:pointer}.main-nav a:hover,.main-nav a.is-active,.nav-link-btn:hover,.nav-link-btn.is-active,.nav-icon-btn:hover{background:rgba(255,107,0,.10);color:#fff;border-color:var(--border)}.nav-actions{display:flex;gap:8px;align-items:center}.primary-small,.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:999px;background:linear-gradient(135deg,var(--orange2),var(--orange),var(--orange3));color:#fff;font-weight:800;box-shadow:var(--glow);white-space:nowrap}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:999px;border:1px solid var(--border2);color:#fff;background:rgba(255,255,255,.02);font-weight:700;white-space:nowrap}.primary-small:hover,.btn-primary:hover{transform:translateY(-1px)}.mobile-only{display:none}main{min-height:65vh}.section{max-width:var(--max);margin:0 auto;padding:78px 20px}.section.compact{padding-top:38px;padding-bottom:38px}.section.dark-band{max-width:none;background:var(--deep);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section.dark-band>.inner{max-width:var(--max);margin:auto}.eyebrow{display:inline-block;margin-bottom:13px;color:var(--light);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.lede{max-width:780px;font-size:1.08rem;color:#c9c9c9}.hero{max-width:var(--max);margin:auto;padding:42px 20px 28px;display:grid;grid-template-columns:minmax(0,1.85fr) minmax(320px,1fr);gap:28px;align-items:stretch}.hero-media,.wide-media,.app-media{min-height:520px;background:radial-gradient(circle at 70% 22%,rgba(255,107,0,.24),transparent 38%),linear-gradient(145deg,#171717,#090909);border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.hero-media img,.wide-media img,.app-media img{width:100%;height:100%;object-fit:contain;background:#0b0b0b}.image-fallback{display:flex;align-items:flex-end;justify-content:flex-start;min-height:220px;padding:28px;background:radial-gradient(circle at 78% 24%,rgba(255,107,0,.26),transparent 34%),linear-gradient(145deg,#1c1c1c,#090909);border:1px solid var(--border);border-radius:16px}.image-fallback span{font-size:clamp(2rem,7vw,6rem);font-weight:900;letter-spacing:-.05em;color:rgba(255,255,255,.11)}.hero-media.image-fallback,.wide-media.image-fallback,.app-media.image-fallback{border-radius:20px}.hero-copy{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:34px;display:flex;flex-direction:column;justify-content:center}.domain-note{display:inline-flex;align-self:flex-start;padding:6px 10px;border:1px solid var(--border2);border-radius:999px;color:var(--light);background:rgba(255,107,0,.07);font-size:.82rem;margin-bottom:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px}.hero-points{display:grid;gap:10px}.hero-point{padding:13px 0;border-top:1px solid rgba(255,255,255,.08)}.hero-point strong{color:#fff;display:block}.quick-strip{max-width:var(--max);margin:0 auto;padding:0 20px 18px;display:flex;gap:10px;overflow-x:auto;scrollbar-width:thin}.quick-strip a{flex:0 0 auto;padding:9px 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel);font-size:.9rem}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-head p{max-width:660px;margin-bottom:0}.grid-2,.grid-3,.grid-4,.grid-6{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(6,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;min-width:0}.card:hover{border-color:var(--border2);background:#191919}.card p:last-child{margin-bottom:0}.tag{display:inline-block;padding:4px 9px;border-radius:999px;background:rgba(255,107,0,.09);border:1px solid var(--border);color:var(--light);font-size:.78rem;margin-bottom:10px}.number{font-size:3rem;font-weight:900;line-height:1;color:rgba(255,140,0,.35);letter-spacing:-.06em}.feature-split{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}.feature-copy{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:30px}.mini-list{display:grid;gap:12px}.mini-list a{padding:16px 18px;background:var(--panel2);border-radius:12px;border:1px solid transparent}.mini-list a:hover{border-color:var(--border2)}.track{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px}.track .card{flex:0 0 min(360px,85vw)}.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.timeline::before{content:"";position:absolute;left:3%;right:3%;top:19px;height:1px;background:var(--border2)}.timeline .card{position:relative;padding-top:44px}.timeline .card::before{content:"";position:absolute;top:14px;left:24px;width:11px;height:11px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(255,107,0,.13)}.article-list{display:grid;gap:16px}.article-item{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:24px;background:var(--panel);border:1px solid var(--border);border-radius:16px}.article-item .meta{color:var(--light);font-weight:800}.faq details{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:0 20px}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;color:#fff}.faq summary::-webkit-details-marker{display:none}.faq details p{padding:0 0 18px;margin:0}.prose{max-width:900px}.prose p{font-size:1.02rem}.notice{padding:18px 20px;border-left:3px solid var(--orange);background:rgba(255,107,0,.07);border-radius:0 12px 12px 0;color:#d8d8d8}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:7px 11px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);color:#ddd}.rank-list{display:grid;gap:12px}.rank-row{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:22px;border-bottom:1px solid rgba(255,255,255,.08)}.rank-row .number{font-size:2.4rem}.rank-row .rank-link{color:var(--light);font-weight:800}.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}.app-media{min-height:460px}.footer-note,.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}.site-footer{background:#050505;color:#A0A0A0;padding:56px 0 calc(34px + env(safe-area-inset-bottom))}.footer-inner{max-width:var(--max);padding:0 20px;margin:auto}.footer-brand{max-width:500px;margin-bottom:36px}.footer-brand-link{margin-bottom:8px}.footer-en{color:var(--orange);font-weight:900;letter-spacing:.2em}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-links h2{font-size:1rem}.footer-links a{display:block;padding:5px 0;color:#aaa}.footer-links a:hover{color:#fff}.footer-note{margin-top:34px;padding-top:22px;font-size:.9rem;color:#8c8c8c}.footer-bottom{margin-top:18px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:.88rem}.overlay{position:fixed;inset:0;z-index:180;background:rgba(0,0,0,.72);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;z-index:200;top:0;right:0;height:100%;width:min(460px,88vw);background:#0b0b0b;border-left:1px solid var(--border);transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.channel-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:74px;display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid var(--border)}.panel-brand-name{font-weight:900;color:#fff}.panel-close,.search-close{margin-left:auto;border:1px solid var(--border);background:var(--panel2);width:42px;height:42px;border-radius:50%;cursor:pointer;font-size:1.5rem}.panel-scroll{height:calc(100% - 74px);overflow-y:auto;padding:22px}.panel-scroll section+section{margin-top:24px}.panel-scroll h2{font-size:.86rem;color:var(--light);letter-spacing:.12em}.panel-scroll a{display:block;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07)}.panel-scroll strong,.panel-scroll span{display:block}.panel-scroll span{color:#8e8e8e;font-size:.86rem}.search-panel{position:fixed;z-index:205;left:0;right:0;top:74px;background:#0a0a0a;border-bottom:1px solid var(--border);box-shadow:var(--shadow);opacity:0;transform:translateY(-12px);visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{opacity:1;transform:none;visibility:visible;pointer-events:auto}.search-inner{max-width:980px;margin:auto;padding:28px 20px 34px}.search-head{display:flex;align-items:center}.search-head h2{margin:0}.search-inner label{display:block;color:#aaa;margin:18px 0 8px}.search-inner input{width:100%;height:54px;border-radius:14px;border:1px solid var(--border2);background:var(--panel);color:#fff;padding:0 16px;outline:none}.search-inner input:focus{box-shadow:0 0 0 3px rgba(255,107,0,.12)}.search-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.search-tags a{padding:8px 11px;border:1px solid var(--border);border-radius:999px;background:var(--panel2)}.search-hint{font-size:.86rem;margin:14px 0 0}.modal-open{overflow:hidden}.mobile-bottom{display:none}.menu-toggle{border:0;background:none;width:44px;height:44px;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#fff;margin:5px 0}.section-kicker{color:var(--light);font-weight:800}.quote-card{background:linear-gradient(145deg,#1c1c1c,#111);border:1px solid var(--border2);border-radius:18px;padding:32px}.quote-card blockquote{font-size:1.35rem;color:#fff;margin:0 0 16px}.cols{columns:2;column-gap:36px}.cols p{break-inside:avoid}.table-like{display:grid;gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden}.table-row{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:16px 18px;background:var(--panel)}.table-row strong{color:#fff}.guide-steps{counter-reset:step;display:grid;gap:16px}.guide-step{position:relative;padding:24px 24px 24px 74px;background:var(--panel);border:1px solid var(--border);border-radius:16px}.guide-step::before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:22px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--orange);font-weight:900;color:#fff}
@media(max-width:980px){.desktop-only{display:none!important}.mobile-only{display:flex}.site-header{position:sticky}.nav-wrap{height:64px;display:grid;grid-template-columns:44px 1fr auto;padding:0 15px;gap:8px}.nav-wrap>.brand{justify-self:center}.brand-logo{height:32px;max-width:120px}.mobile-app{justify-self:end;min-width:58px;padding:8px 13px}.hero{grid-template-columns:1fr;padding-top:24px}.hero-copy{order:1}.hero-media{order:2;min-height:320px}.feature-split,.app-showcase{grid-template-columns:1fr}.grid-4,.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}.search-panel{top:64px;bottom:0;overflow:auto}.mobile-bottom{position:fixed;z-index:110;left:0;right:0;bottom:0;height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(6,6,6,.97);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:.78rem;color:#aaa;min-height:48px}.mobile-bottom a.is-active{color:var(--light);background:rgba(255,107,0,.08)}.site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}.footer-links{grid-template-columns:1fr 1fr}.section{padding:58px 15px}.quick-strip{padding-left:15px;padding-right:15px}.article-item{grid-template-columns:1fr}.cols{columns:1}}
@media(max-width:620px){h1{font-size:2.6rem}.hero-copy{padding:24px}.grid-2,.grid-3,.grid-4,.grid-6,.timeline{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.rank-row{grid-template-columns:64px 1fr}.rank-row .rank-link{grid-column:2}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.table-row{grid-template-columns:1fr}.wide-media,.app-media{min-height:300px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,140,0,.75);outline-offset:3px}