*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0D0D0D;color:#E8E8E8;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{display:block;max-width:100%;height:auto}main{min-height:70vh}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:1000;background:rgba(8,8,8,.96);border-bottom:1px solid rgba(255,107,0,.18);backdrop-filter:blur(14px)}.nav-shell{max-width:1280px;height:74px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand-logo{max-width:132px;max-height:44px;object-fit:contain}.brand-text{font-weight:900;font-size:26px;color:#fff;letter-spacing:-1px}.desktop-nav{display:flex;align-items:stretch;height:100%;gap:2px}.desktop-nav a{display:flex;align-items:center;padding:0 14px;color:#B0B0B0;font-weight:700;position:relative;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.is-current{color:#fff}.desktop-nav a.is-current:after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:#FF6B00;border-radius:3px 3px 0 0}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.nav-action,.app-pill,.icon-button{min-height:44px;border:1px solid rgba(255,140,0,.25);background:#161616;border-radius:999px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;white-space:nowrap}.nav-action:hover{background:#2A2A2A;border-color:rgba(255,140,0,.5)}.app-pill{background:linear-gradient(135deg,#FF8C00 0%,#FF6B00 50%,#E65C00 100%);font-weight:900;color:#fff;border:0;box-shadow:0 12px 36px rgba(255,107,0,.22)}.mobile-menu-button{display:none;padding:0;width:44px;border-radius:12px}.mobile-menu-button span{display:block;width:18px;height:2px;background:#fff;margin:2px 0}.container{max-width:1280px;margin:0 auto;padding:0 24px}.section{padding:72px 0}.section.compact{padding:48px 0}.section.dark{background:#080808}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#FF8C00;font-weight:900;font-size:13px;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:#FF6B00}.display-title{font-size:clamp(36px,6vw,82px);line-height:1.02;letter-spacing:-.045em;margin:16px 0 20px;color:#fff;max-width:1000px}.lead{font-size:clamp(18px,2.2vw,24px);color:#B0B0B0;max-width:820px}.hero{padding:42px 0 30px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(320px,1fr);gap:28px;align-items:stretch}.hero-visual{background:radial-gradient(circle at 25% 20%,rgba(255,107,0,.18),transparent 34%),#080808;border:1px solid rgba(255,107,0,.18);border-radius:18px;min-height:520px;overflow:hidden;position:relative;box-shadow:0 16px 48px rgba(0,0,0,.65)}.hero-visual img{width:100%;height:100%;object-fit:contain}.hero-visual:empty:before{content:"P-SITE";position:absolute;inset:auto 30px 24px;font-size:clamp(44px,8vw,100px);font-weight:950;color:rgba(255,107,0,.15);letter-spacing:-.06em}.hero-copy{padding:28px;background:#161616;border:1px solid rgba(255,107,0,.18);border-radius:18px;display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(34px,4vw,58px);line-height:1.04;letter-spacing:-.04em;margin:10px 0 18px}.brand-kicker{font-size:14px;color:#FF8C00;font-weight:900;letter-spacing:.18em}.backup-domain{display:inline-flex;align-self:flex-start;padding:7px 11px;border-radius:999px;background:#1F1F1F;border:1px solid rgba(255,140,0,.3);color:#FFB347;font-weight:800;font-size:13px;margin-bottom:10px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.btn{min-height:46px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:900}.btn-primary{background:linear-gradient(135deg,#FF8C00 0%,#FF6B00 50%,#E65C00 100%);color:#fff;box-shadow:0 12px 36px rgba(255,107,0,.22)}.btn-secondary{border:1px solid rgba(255,140,0,.4);background:#1F1F1F}.mini-list{display:grid;gap:10px;margin-top:14px}.mini-list a{padding:14px 0;border-top:1px solid rgba(255,255,255,.08)}.mini-list strong{display:block;color:#fff}.mini-list span{font-size:14px;color:#B0B0B0}.shortcut-wrap{position:relative;overflow:hidden}.shortcut-bar{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}.shortcut-bar::-webkit-scrollbar{display:none}.shortcut-bar a{white-space:nowrap;padding:9px 13px;background:#161616;border:1px solid rgba(255,107,0,.18);border-radius:999px;color:#D6D6D6}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.1;margin:0;color:#fff;letter-spacing:-.03em}.section-head p{max-width:660px;color:#B0B0B0;margin:0}.grid{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))}.card{background:#161616;border:1px solid rgba(255,107,0,.18);border-radius:14px;padding:22px;min-width:0}.card:hover{border-color:rgba(255,140,0,.4);background:#1B1B1B}.card h3{margin:8px 0 10px;color:#fff;font-size:22px;line-height:1.25}.card p{margin:0;color:#B0B0B0}.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(255,107,0,.1);color:#FFB347;font-size:12px;font-weight:900}.number{font-size:48px;font-weight:950;color:#FF6B00;line-height:1}.image-card{padding:0;overflow:hidden}.image-card .image-wrap{aspect-ratio:16/10;background:#0A0A0A;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-card .image-wrap img{width:100%;height:100%;object-fit:cover}.image-card .card-body{padding:22px}.feature-row{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:22px}.feature-row.reverse{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}.feature-media{min-height:360px;border-radius:16px;overflow:hidden;background:#080808;border:1px solid rgba(255,107,0,.18);display:flex;align-items:center;justify-content:center}.feature-media img{width:100%;height:100%;object-fit:cover}.feature-copy{padding:30px;background:#161616;border-radius:16px;border:1px solid rgba(255,107,0,.18)}.feature-copy h2{margin:8px 0 16px;font-size:clamp(28px,4vw,46px);line-height:1.1}.feature-copy p{color:#C7C7C7}.quote-card{padding:28px;border-left:3px solid #FF6B00;background:#121212;border-radius:0 14px 14px 0}.quote-card p{font-size:20px;color:#E8E8E8}.timeline{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.timeline .card{min-width:260px;scroll-snap-align:start}.status{font-size:12px;color:#FFB347;font-weight:900}.article-list{display:grid;gap:14px}.article-item{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:22px;background:#161616;border-radius:14px;border:1px solid rgba(255,107,0,.18)}.article-item .index{font-size:46px;font-weight:950;color:#FF6B00;line-height:1}.article-item h2,.article-item h3{margin:0 0 8px;color:#fff}.article-item p{margin:0;color:#B0B0B0}.prose{max-width:920px}.prose h2{color:#fff;font-size:30px;margin-top:40px}.prose h3{color:#FFB347;margin-top:28px}.prose p{color:#C7C7C7;margin:14px 0}.prose ul{padding-left:20px;color:#C7C7C7}.notice{padding:18px 20px;border-radius:14px;background:rgba(255,107,0,.08);border:1px solid rgba(255,107,0,.25);color:#E8E8E8}.faq{display:grid;gap:12px}.faq details{background:#161616;border:1px solid rgba(255,107,0,.18);border-radius:14px;padding:18px 20px}.faq summary{cursor:pointer;font-weight:900;color:#fff}.faq p{color:#B0B0B0}.site-footer{background:#050505;border-top:1px solid rgba(255,107,0,.16);padding:58px 0 calc(30px + env(safe-area-inset-bottom))}.footer-shell{max-width:1280px;margin:auto;padding:0 24px}.footer-brand{max-width:620px;margin-bottom:34px}.footer-brand strong{display:block;font-size:24px;margin:10px 0}.footer-brand strong span{color:#FF6B00}.footer-brand p{color:#A0A0A0}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-groups h2{font-size:14px;color:#fff}.footer-groups a{display:block;color:#A0A0A0;padding:5px 0}.footer-groups a:hover{color:#FF8C00}.footer-notice{margin:34px 0 20px;padding:18px;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);color:#8F8F8F;font-size:14px}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap;color:#777}.footer-bottom a{margin-left:auto}.footer-bottom a+a{margin-left:0}.overlay{position:fixed;inset:0;z-index:1400;background:rgba(0,0,0,.72);visibility:hidden;opacity:0;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.overlay.is-visible{visibility:visible;opacity:1;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;bottom:0;width:min(460px,88vw);z-index:1500;background:#0A0A0A;border-left:1px solid rgba(255,107,0,.24);transform:translateX(104%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s ease;box-shadow:-20px 0 60px rgba(0,0,0,.55)}.channel-open .channel-panel{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08)}.panel-brand{display:flex;align-items:center;gap:10px}.panel-logo{max-width:100px;max-height:38px;object-fit:contain}.panel-brand span{color:#FF8C00;font-weight:900}.panel-close,.search-head button{min-height:40px;padding:0 14px;border:1px solid rgba(255,140,0,.35);background:#161616;border-radius:999px;cursor:pointer}.panel-scroll{height:calc(100vh - 74px);overflow-y:auto;padding:20px}.panel-scroll section+section{margin-top:26px}.panel-scroll h2{font-size:13px;color:#777;letter-spacing:.12em}.panel-scroll a{display:block;padding:13px 0;border-top:1px solid rgba(255,255,255,.07)}.panel-scroll a strong{display:block;color:#fff}.panel-scroll a span{display:block;color:#8E8E8E;font-size:13px}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:1490;background:#080808;border-bottom:1px solid rgba(255,107,0,.25);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s ease;max-height:calc(100vh - 74px);overflow-y:auto}.search-open .search-panel{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-shell{max-width:1080px;margin:auto;padding:28px 24px 34px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head strong{font-size:24px}.search-box{display:block;margin:18px 0}.search-box input{width:100%;height:58px;border-radius:14px;border:1px solid rgba(255,140,0,.35);background:#161616;color:#fff;padding:0 18px;outline:none}.search-box input:focus{border-color:#FF8C00;box-shadow:0 0 0 3px rgba(255,107,0,.12)}.search-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.search-tags span{color:#777}.search-tags button{border:1px solid rgba(255,107,0,.18);background:#1F1F1F;border-radius:999px;padding:7px 11px;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}.search-results a{padding:14px;background:#161616;border:1px solid rgba(255,107,0,.18);border-radius:12px}.search-results a span{display:block;color:#8A8A8A;font-size:13px}.mobile-bottom-nav{display:none}.age-strip{padding:10px 0;background:#080808;border-bottom:1px solid rgba(255,107,0,.14);color:#A0A0A0;font-size:13px}.age-strip strong{color:#FFB347}.topic-cloud{display:flex;flex-wrap:wrap;gap:10px}.topic-pill{padding:12px 14px;border-radius:999px;background:#161616;border:1px solid rgba(255,107,0,.18)}.split-index{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:24px}.sticky-side{position:sticky;top:98px;align-self:start}.big-word{font-size:clamp(64px,12vw,160px);font-weight:950;line-height:.8;color:rgba(255,107,0,.12);letter-spacing:-.08em}.masonry-like{columns:3 280px;column-gap:18px}.masonry-like .card{break-inside:avoid;margin:0 0 18px}.app-showcase{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:28px;align-items:center}.phone-stage{min-height:560px;border-radius:32px;background:radial-gradient(circle at 50% 30%,rgba(255,107,0,.2),transparent 42%),#080808;border:1px solid rgba(255,107,0,.25);padding:28px;display:flex;align-items:center;justify-content:center}.phone-stage img{max-height:500px;object-fit:contain}.process{counter-reset:step}.process .card{position:relative;padding-left:72px}.process .card:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:22px;top:22px;color:#FF6B00;font-weight:950;font-size:24px}.legal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.focus-ring:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,140,0,.5);outline-offset:3px}.mobile-bottom-nav{z-index:900}
@media(max-width:980px){.desktop-nav,.desktop-only{display:none}.mobile-menu-button{display:flex;flex-direction:column}.nav-shell{height:66px;padding:0 15px;gap:10px}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand-logo{max-width:110px;max-height:38px}.nav-actions{margin-left:auto}.search-button{display:none}.app-pill{min-width:64px;padding:0 14px}.hero-grid,.feature-row,.feature-row.reverse,.split-index,.app-showcase{grid-template-columns:1fr}.hero-copy{order:-1}.hero-visual{min-height:320px}.section{padding:56px 0}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-groups{grid-template-columns:repeat(2,1fr)}.sticky-side{position:static}.search-panel{top:66px}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:rgba(5,5,5,.97);border-top:1px solid rgba(255,107,0,.22);backdrop-filter:blur(12px)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:#9A9A9A;white-space:nowrap}.mobile-bottom-nav a.is-current{color:#FF8C00;font-weight:900}.site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.channel-panel{width:min(460px,88vw)}.channel-open .mobile-bottom-nav,.search-open .mobile-bottom-nav{z-index:800}.search-open .search-panel{inset:66px 0 0;max-height:none}.search-results{grid-template-columns:1fr}}
@media(max-width:640px){.container,.footer-shell{padding-left:15px;padding-right:15px}.hero{padding-top:22px}.hero-copy{padding:22px}.hero-copy h1{font-size:38px}.display-title{font-size:44px}.hero-visual{min-height:230px}.section{padding:46px 0}.section-head{display:block}.section-head p{margin-top:10px}.grid-2,.grid-3,.grid-4,.legal-grid{grid-template-columns:1fr}.article-item{grid-template-columns:64px 1fr;gap:12px;padding:18px}.article-item .index{font-size:34px}.feature-copy{padding:22px}.feature-media{min-height:240px}.footer-groups{grid-template-columns:1fr 1fr}.footer-bottom a{margin-left:0}.search-shell{padding:20px 15px 28px}.panel-scroll{padding:15px}.phone-stage{min-height:380px}.process .card{padding-left:60px}.process .card:before{left:18px}.masonry-like{columns:1}.topic-pill{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.panel-search-link{width:100%;min-height:46px;margin:0 0 18px;border:1px solid rgba(255,140,0,.35);background:#161616;border-radius:12px;color:#fff;font-weight:900;cursor:pointer}.panel-search-link:hover{background:#1F1F1F;border-color:rgba(255,140,0,.5)}.eyebrow:before,.desktop-nav a.is-current:after,.hero-visual:empty:before{pointer-events:none}