:root{--ink:#201638;--muted:#6c6480;--purple:#6545d4;--purple-dark:#4b2cae;--lav:#f1edff;--line:#e4def1;--bg:#fbfaff;--mint:#12cba4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:3px}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.site-header{height:82px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.header-inner{height:100%;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;flex:none}.brand img{width:179px;height:36px}.header-inner nav{display:flex;gap:32px;margin:auto}.header-inner nav a{color:#504861;font-weight:650;font-size:15px}.header-inner nav 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var(--line)}.compare>div:last-child{border:0}.compare span,.compare b{padding:16px 18px;font-size:14px}.compare b{font-weight:700}.compare-header{background:#e5defb;color:#4a329f;font-weight:800}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}.faq-list details{background:white;border:1px solid var(--line);border-radius:14px;padding:19px 22px;align-self:start}.faq-list summary{font-weight:780;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq-list summary:after{content:'+';color:var(--purple);font-size:23px;line-height:1}.faq-list details[open] summary:after{content:'−'}.faq-list p{font-size:14px;color:var(--muted);margin:13px 0 0}.source-strip .wrap,.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px}.source-strip .wrap>div{max-width:760px}.cta-band{background:var(--purple);color:white;padding:46px 0}.cta-band h2{font-size:29px;margin:0 0 5px}.cta-band 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var(--line);padding:15px 0}.spec-box>div:last-child{border:0}.spec-box span{color:var(--muted);text-align:right}.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:35px;align-items:start}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}.tags span{font-size:12px;color:#6246b5;background:#ede6ff;border-radius:30px;padding:6px 12px}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.article-card{display:block;min-height:235px}.article-card:hover{border-color:#a995e1;transform:translateY(-2px)}.card-cat{color:var(--purple);font-size:12px;font-weight:800}.article-card h3{font-size:19px}.read{display:block;margin-top:20px;color:var(--purple);font-size:13px;font-weight:800}.sidebar,.article-aside{background:#eee8ff;border:1px solid #d9cff7;border-radius:18px;padding:22px;position:sticky;top:105px}.sidebar strong,.article-aside strong{display:block;margin-bottom:18px}.sidebar a,.article-aside a{display:block;padding:11px 0;border-top:1px solid #d8cffa;font-size:13px;font-weight:650}.sidebar small{display:block;color:var(--muted);margin-top:20px}.article-shell{display:grid;grid-template-columns:minmax(0,750px) 250px;gap:50px;padding:55px 0 100px}.crumb{grid-column:1/-1;color:var(--muted);font-size:13px}.crumb a{color:var(--purple)}.full-article{background:white;border:1px solid var(--line);border-radius:22px;padding:50px}.full-article h1{font-size:clamp(30px,3vw,44px);line-height:1.28;letter-spacing:-.035em;margin:13px 0}.article-meta{color:var(--muted);font-size:12px}.article-lead{font-size:18px;color:#514768;font-weight:600}.full-article h2{font-size:25px;margin:42px 0 12px}.full-article p{color:#5f586b}.article-source{background:var(--lav);border-radius:16px;padding:22px;margin:35px 0}.article-source b{display:block}.article-source a{color:var(--purple);font-weight:750}.article-source p{font-size:12px;margin:5px 0 0}footer{background:#21173a;color:white;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:50px}.footer-grid img{background:white;border-radius:8px;padding:6px}.footer-grid p{color:#c1b8d6;max-width:440px;font-size:13px}.footer-grid strong,.footer-grid a,.footer-grid small{display:block}.footer-grid a{color:#cec5df;margin:12px 0;font-size:13px}.footer-grid small{color:#9d93b4;font-size:11px}.foot-end{border-top:1px solid #ffffff25;margin-top:38px;padding-top:18px;color:#a99fbd;font-size:12px}@media(max-width:900px){.header-inner nav{gap:16px}.hero-grid{gap:28px;min-height:auto}.hero h1{font-size:43px}.feature-grid,.platform-grid{grid-template-columns:repeat(2,1fr)}.news-layout{grid-template-columns:1fr}.sidebar{position:static}.article-shell{grid-template-columns:1fr}.article-aside{display:none}}@media(max-width:650px){.wrap{width:min(100% - 32px,1180px)}.site-header{height:auto;min-height:72px}.header-inner{flex-wrap:wrap;gap:10px;padding:12px 0}.brand img{width:150px;height:auto}.header-inner nav{order:3;width:100%;justify-content:space-between;gap:7px}.header-inner nav a{font-size:13px}.header-cta{margin-left:auto;font-size:12px;padding:8px 11px}.header-cta span{display:none}.hero-grid{grid-template-columns:1fr;padding:50px 0 62px}.hero h1{font-size:clamp(36px,10vw,48px)}.lead{font-size:16px}.hero-visual{min-height:380px;padding:20px}.diagram{min-height:265px}.device,.server{width:130px;min-height:145px}.device b,.server b{font-size:14px}.path{width:37px;font-size:9px}.section{padding:70px 0}.feature-grid,.platform-grid,.article-grid,.faq-list,.steps,.split-info,.footer-grid{grid-template-columns:1fr}.split-info{gap:26px}.source-strip .wrap,.cta-band .wrap{align-items:flex-start;flex-direction:column}.compare span,.compare b{padding:12px 8px;font-size:11px}.subhero{padding:60px 0}.article-shell{padding:32px 0 70px}.full-article{padding:27px}.trust-line{gap:7px 18px}.footer-grid{gap:20px}}

/* Navigation refinement */
.site-header{height:74px}
.header-inner{gap:28px}
.header-inner .desktop-nav{display:flex;align-items:center;gap:27px;margin:auto}
.header-inner .desktop-nav a{position:relative;padding:24px 0 22px;font-size:14px;white-space:nowrap}
.header-inner .desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--purple)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.header-cta{background:var(--purple);padding:11px 17px}
.mobile-nav{display:none}
#faq{scroll-margin-top:86px}
@media(max-width:900px){.header-inner .desktop-nav{gap:14px}.header-inner .desktop-nav a{font-size:12px}.header-cta span{display:none}}
@media(max-width:720px){.site-header{height:66px}.header-inner{flex-wrap:nowrap;padding:9px 0;gap:8px}.brand img{width:135px;height:auto}.header-inner .desktop-nav{display:none}.header-actions{margin-left:auto}.header-cta{padding:9px 12px;font-size:12px}.mobile-nav{display:block;position:relative}.mobile-nav summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:12px;font-weight:750;white-space:nowrap}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary span{margin-left:3px}.mobile-nav nav{display:flex!important;flex-direction:column;position:absolute;right:0;top:calc(100% + 12px);width:175px;padding:8px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 36px #21173a29;z-index:30}.mobile-nav nav a{padding:10px 12px;font-size:13px;color:var(--ink)}.mobile-nav nav a.active{color:var(--purple);background:var(--lav);border-radius:8px}#faq{scroll-margin-top:76px}}
@media(max-width:380px){.brand img{width:118px}.header-cta{padding:8px 9px;font-size:11px}.mobile-nav summary{padding:8px;font-size:11px}}

/* 2026-10-14 review fix: preserve page scrolling and use a product-style hero illustration. */
html{scroll-behavior:auto;overflow-y:auto}
body{overflow-x:clip;overflow-y:visible;min-height:100vh}
main{display:block}
.hero{overflow:clip}
.hero-visual{background:#eee7ff url('hero.svg') center/contain no-repeat;padding:0;box-shadow:0 23px 45px #21143e2b;border-radius:29px;min-height:450px;overflow:clip}
.hero-visual::before,.hero-visual>*{display:none}
@media(max-width:650px){.hero-visual{min-height:340px}}

html,body{touch-action:pan-y;overscroll-behavior-y:auto}

/* Domain footer contact */
footer .site-contact{display:block;overflow-wrap:anywhere;line-height:1.6}footer .foot-end,footer .footer-bottom{overflow-wrap:anywhere}

/* Expanded FAQ center */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq-grid details{align-self:start;padding:18px;border:1px solid #ded6ef;border-radius:12px;background:#fff}.faq-grid summary{cursor:pointer;font-weight:700;line-height:1.55}.faq-grid details p{color:#655c74;line-height:1.85;font-size:14px}@media(max-width:720px){.faq-grid{grid-template-columns:1fr}}