:root{--bg:#0D0D0D;--bg2:#080808;--card:#161616;--card2:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--muted:#B0B0B0;--faint:#777;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--orange4:#FFB347;--line:rgba(255,107,0,.18);--line2:rgba(255,140,0,.40);--shadow:0 16px 48px rgba(0,0,0,.65);--glow:0 12px 36px rgba(255,107,0,.22);--header:74px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;top:8px;left:8px;z-index:9999;padding:10px 14px;background:#fff;color:#000;transform:translateY(-150%)}.skip-link:focus{transform:none}.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:80;height:var(--header);background:rgba(5,5,5,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{max-width:var(--max);height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;gap:9px;min-width:max-content}.brand-logo{display:block;max-width:116px;max-height:38px;width:auto;height:auto;object-fit:contain}.brand-text{font-weight:900;font-size:24px;color:#fff;letter-spacing:.03em}.brand-en{font-size:11px;color:var(--orange4);letter-spacing:.16em;font-weight:800}.desktop-nav{display:flex;align-items:center;gap:5px;min-width:0}.desktop-nav a,.text-button{border:0;background:transparent;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 13px;border-radius:999px;color:#ddd;white-space:nowrap;cursor:pointer}.desktop-nav a:hover,.text-button:hover,.desktop-nav a.is-active{background:rgba(255,107,0,.12);color:#fff}.desktop-nav a.is-active{box-shadow:inset 0 -2px 0 var(--orange)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:6px}.app-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;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:0 20px;border-radius:999px;border:1px solid var(--line2);color:#fff;background:transparent;font-weight:700;white-space:nowrap}.icon-button{width:44px;height:44px;border:1px solid var(--line2);border-radius:50%;background:transparent;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.icon-button span{display:block;width:17px;height:2px;background:#fff;border-radius:2px}.mobile-menu{display:none}.site-main{min-height:70vh}.section{padding:72px 24px}.section-tight{padding:46px 24px}.section-dark{background:var(--bg2)}.section-inner{max-width:var(--max);margin:0 auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange4);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase}.eyebrow:before{content:"";width:26px;height:2px;background:var(--orange)}h1,h2,h3{line-height:1.2;margin-top:0;color:#fff}h1{font-size:clamp(36px,5vw,68px);letter-spacing:-.04em;margin-bottom:22px}h2{font-size:clamp(26px,3vw,42px);letter-spacing:-.025em;margin-bottom:18px}h3{font-size:20px;margin-bottom:10px}p{margin:0 0 1em}.lead{font-size:clamp(17px,2vw,21px);color:#d7d7d7;max-width:760px}.muted{color:var(--muted)}.hero{padding:62px 24px 34px;background:radial-gradient(circle at 18% 22%,rgba(255,107,0,.16),transparent 32%),linear-gradient(180deg,#0a0a0a,#0d0d0d)}.hero-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.85fr) minmax(330px,1fr);gap:34px;align-items:stretch}.hero-media{min-height:520px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(145deg,#181818,#0b0b0b);overflow:hidden;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}.hero-media img{width:100%;height:100%;object-fit:contain;display:block}.media-fallback{width:100%;height:100%;min-height:360px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:linear-gradient(145deg,#1b1b1b,#0a0a0a)}.media-fallback:before{content:"P-SITE";font-size:clamp(54px,9vw,150px);font-weight:900;letter-spacing:-.06em;color:rgba(255,107,0,.12);transform:rotate(-7deg)}.hero-copy{padding:34px 0;display:flex;flex-direction:column;justify-content:center}.hero-copy .domain-note{display:inline-flex;width:max-content;max-width:100%;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,107,0,.08);color:var(--orange4);font-size:13px;margin-bottom:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.mini-list{display:grid;gap:10px;margin-top:10px}.mini-list a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.mini-list a:hover{background:var(--hover);border-color:var(--line2)}.quick-strip{max-width:var(--max);margin:0 auto;display:flex;gap:10px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin;padding-bottom:4px}.quick-strip a{flex:0 0 auto;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#121212;color:#ddd}.quick-strip a:hover{border-color:var(--line2);color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-head p{max-width:660px;color:var(--muted);margin:0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card{position:relative;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--card);box-shadow:0 8px 26px rgba(0,0,0,.18)}.card:hover{border-color:var(--line2);background:#191919}.card p{color:var(--muted)}.card .tag,.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(255,107,0,.11);color:var(--orange4);font-size:12px;font-weight:800;margin-bottom:14px}.card .link-arrow{display:inline-flex;margin-top:12px;color:var(--orange4);font-weight:800}.feature-split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:26px}.feature-panel{padding:34px;border-radius:16px;border:1px solid var(--line2);background:linear-gradient(145deg,rgba(255,107,0,.10),rgba(22,22,22,.92))}.feature-panel p{color:#d4d4d4}.number-list{counter-reset:item;display:grid;gap:12px}.number-list article{counter-increment:item;display:grid;grid-template-columns:74px 1fr;gap:18px;padding:22px;border-top:1px solid var(--line)}.number-list article:before{content:counter(item,decimal-leading-zero);font-size:38px;font-weight:900;color:var(--orange);line-height:1}.timeline{display:flex;gap:16px;overflow-x:auto;padding-bottom:10px}.timeline article{min-width:270px;padding:22px;border-radius:14px;background:var(--card);border:1px solid var(--line)}.timeline .status{color:var(--orange4);font-weight:800}.pill-cloud{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:#121212}.editorial-track{display:flex;gap:18px;overflow-x:auto;padding-bottom:8px}.editorial-track article{min-width:300px;max-width:380px;padding:22px;border-radius:14px;background:var(--card);border:1px solid var(--line)}.visual-card{overflow:hidden;padding:0}.visual-card .visual{aspect-ratio:16/9;background:#101010;display:flex;align-items:center;justify-content:center}.visual-card .visual img{width:100%;height:100%;object-fit:cover}.visual-card .body{padding:22px}.app-showcase{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:38px;align-items:center}.phone-stage{min-height:520px;border-radius:36px;border:1px solid var(--line2);background:linear-gradient(180deg,#181818,#090909);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;overflow:hidden}.phone-stage img{width:100%;height:100%;object-fit:contain}.faq-list details{border-top:1px solid var(--line);padding:18px 0}.faq-list summary{cursor:pointer;font-weight:800;color:#fff;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list details p{padding-top:12px;color:var(--muted);max-width:900px}.notice{padding:18px 20px;border-left:3px solid var(--orange);background:rgba(255,107,0,.08);color:#ddd}.article-flow{max-width:880px}.article-flow h2{margin-top:44px}.article-flow p{color:#d0d0d0}.steps{display:grid;gap:14px}.steps article{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.steps .step-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--orange);font-weight:900}.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.link-list a{padding:16px;border-radius:12px;border:1px solid var(--line);background:var(--card)}.link-list a:hover{border-color:var(--line2);background:var(--hover)}.site-footer{background:#050505;border-top:1px solid var(--line);padding:58px 24px calc(40px + env(safe-area-inset-bottom))}.footer-inner{max-width:var(--max);margin:0 auto}.footer-brand{max-width:560px;margin-bottom:34px}.footer-brand p{color:#a9a9a9;margin-top:18px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.footer-grid h2{font-size:15px;color:#fff;margin-bottom:14px}.footer-grid a{display:block;color:#a0a0a0;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-note{margin-top:34px;padding-top:24px;border-top:1px solid #222;color:#8d8d8d}.copyright{color:#737373;font-size:13px;margin-top:10px}.overlay{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.72);visibility:hidden;opacity:0;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;bottom:0;z-index:120;width:min(460px,88vw);background:#0b0b0b;border-left:1px solid var(--line2);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease;display:flex;flex-direction:column;box-shadow:var(--shadow)}.channel-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{height:74px;flex:0 0 74px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-close{width:44px;height:44px;border:0;border-radius:50%;background:#1c1c1c;color:#fff;font-size:28px;cursor:pointer}.panel-scroll{overflow-y:auto;padding:18px 18px 34px}.panel-scroll section{margin-bottom:24px}.panel-scroll h2{font-size:14px;color:var(--orange4);margin-bottom:10px}.panel-scroll a{display:block;padding:13px 12px;border-radius:12px}.panel-scroll a:hover{background:#171717}.panel-scroll b{display:block;color:#fff}.panel-scroll span{display:block;color:#8f8f8f;font-size:13px;margin-top:3px}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:125;background:#0a0a0a;border-bottom:1px solid var(--line2);box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-shell{max-width:var(--max);margin:0 auto;padding:26px 24px 32px}.search-top{display:flex;align-items:center;justify-content:space-between}.search-top h2{font-size:24px;margin:0}.search-input-wrap{display:block;margin:22px 0 15px}.search-input-wrap input{width:100%;height:54px;border-radius:14px;border:1px solid var(--line2);background:#121212;color:#fff;padding:0 18px;outline:none}.search-input-wrap input:focus{box-shadow:0 0 0 3px rgba(255,107,0,.16)}.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.search-tags button{border:1px solid var(--line);background:#151515;border-radius:999px;padding:8px 12px;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.search-results a{padding:14px;border:1px solid #222;border-radius:10px;background:#101010}.search-results a:hover{border-color:var(--line2)}.search-results b,.search-results span{display:block}.search-results span{font-size:12px;color:#888}.panel-open{overflow:hidden}.mobile-bottom-nav{display:none}.mobile-bottom-nav a.is-active{color:var(--orange2)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,140,0,.75);outline-offset:3px}
@media (max-width:980px){:root{--header:66px}.site-header{height:var(--header)}.nav-wrap{padding:0 15px;gap:10px}.desktop-nav,.desktop-only{display:none!important}.mobile-menu{display:inline-flex}.nav-actions{margin-left:0}.nav-actions .search-trigger{display:none}.brand{margin:auto}.brand-en{display:none}.brand-logo{max-height:34px;max-width:104px}.hero{padding:34px 15px 24px}.hero-grid{grid-template-columns:1fr;gap:18px}.hero-copy{order:1;padding:10px 0}.hero-media{order:2;min-height:0;aspect-ratio:16/10}.hero-copy h1{font-size:40px}.section,.section-tight{padding-left:15px;padding-right:15px}.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-split,.app-showcase{grid-template-columns:1fr}.phone-stage{min-height:380px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search-panel{top:0;bottom:0}.search-shell{height:100%;overflow-y:auto;padding:18px 15px 100px}.search-results{grid-template-columns:1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:90;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(--line)}.mobile-bottom-nav a{min-height:58px;display:grid;place-items:center;font-size:12px;color:#aaa}.site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}.channel-panel{width:min(88vw,420px)}.panel-head{height:66px;flex-basis:66px}}
@media (max-width:640px){h1{font-size:36px}.lead{font-size:16px}.section{padding-top:54px;padding-bottom:54px}.section-tight{padding-top:34px;padding-bottom:34px}.grid-2,.grid-3,.grid-4,.link-list{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.hero-copy .domain-note{font-size:12px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}.hero-media{border-radius:14px}.number-list article{grid-template-columns:52px 1fr;padding:18px 0}.number-list article:before{font-size:28px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px 16px}.app-cta{padding:0 14px}.icon-button{flex:0 0 44px}.phone-stage{border-radius:22px}.card,.feature-panel{padding:20px}.panel-scroll{padding-left:12px;padding-right:12px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.hero-image,.app-visual{width:100%;height:100%}