*{box-sizing:border-box}
:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--blue:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--light-blue:#E9F5FF;--light-cyan:#E8FCFA;--light-gray:#F0F4F8;--highlight:#2563EB;--text:#263748;--muted:#657789;--soft:#8C9AAA;--white:#fff;--dark-card:#12253A;--border:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--gradient:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);--footer:#0C1B2A}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--highlight);text-decoration:none}a:hover{text-decoration:none}button,a{touch-action:manipulation}
button:focus-visible,a:focus-visible{outline:3px solid rgba(56,189,248,.45);outline-offset:3px}
h1,h2,h3,h4{color:var(--title);line-height:1.22;margin-top:0}p{margin:0 0 1em}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(16px);box-shadow:0 8px 28px rgba(10,35,60,.12);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-logo{display:flex;align-items:center;gap:10px;min-width:max-content;color:#fff}.site-logo img{max-height:44px;width:auto}.site-logo strong{font-size:19px;letter-spacing:.04em}
.nav-core{display:flex;align-items:center;gap:10px;margin-left:auto}.nav-core a{color:#DCEAF7;border-radius:999px;padding:8px 12px;font-size:14px;white-space:nowrap;transition:.2s}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14)}
.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 22px;border-radius:999px;background:var(--gradient);color:#fff;font-weight:700;box-shadow:0 14px 32px rgba(37,99,235,.20);transition:transform .2s,box-shadow .2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(37,99,235,.27);color:#fff}.compact-btn{min-height:40px;padding:8px 17px;font-size:14px}
.menu-toggle{border:0;background:rgba(255,255,255,.08);width:42px;height:42px;border-radius:14px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{width:18px;height:2px;background:#EAF4FF;border-radius:99px}.mobile-menu-toggle{display:none}
.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(3,12,22,.52);backdrop-filter:blur(3px)}.drawer-mask.show{display:block}
.site-drawer{position:fixed;z-index:10001;top:0;right:0;width:min(390px,92vw);height:100dvh;background:#0F2437;color:#EAF4FF;transform:translateX(105%);transition:transform .25s ease;box-shadow:-30px 0 70px rgba(5,21,34,.28);padding:22px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800}.drawer-brand img{width:42px;max-height:42px;object-fit:contain}.drawer-close{border:0;background:rgba(255,255,255,.08);color:#fff;border-radius:12px;width:40px;height:40px;font-size:25px;cursor:pointer}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#DCEAF7;padding:11px 12px;border-radius:13px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.05)}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(56,189,248,.12);color:#fff;border-color:rgba(56,189,248,.2)}.drawer-nav small{color:#7FBDE8}
.drawer-note{margin-top:20px;padding:16px;border-radius:16px;background:rgba(34,211,197,.08);border:1px solid rgba(34,211,197,.14)}.drawer-note strong{color:#fff}.drawer-note p{font-size:13px;color:#BDD4E8;margin:.5em 0 0}
.page-shell{max-width:1240px;margin:0 auto;padding:0 28px}.section{padding:78px 0}.section-sm{padding:52px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:30px}.section-head>div{max-width:780px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px}.section-kicker:before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--ice),var(--cyan));border-radius:99px}
.section-title{font-size:clamp(28px,4vw,48px);margin-bottom:14px}.section-desc{color:var(--muted);font-size:16px}.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--highlight)}.text-link:after{content:"→";transition:transform .2s}.text-link:hover:after{transform:translateX(4px)}
.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.90);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.glass-card{background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.78);backdrop-filter:blur(18px);border-radius:22px}.tag,.label,.badge{color:#0284C7;font-size:12px;font-weight:800;letter-spacing:.08em}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 18%,rgba(56,189,248,.22),transparent 31%),radial-gradient(circle at 18% 10%,rgba(99,102,241,.12),transparent 28%),linear-gradient(135deg,#F8FBFF 0%,#EDF8FF 48%,#F0FFFC 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,black,transparent 88%)}
.hero-grid{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:82px 28px 74px;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);gap:58px;align-items:center}.hero-copy h1{font-size:clamp(50px,7vw,84px);letter-spacing:-.05em;margin-bottom:18px}.hero-copy .hero-subtitle{font-size:clamp(21px,2.5vw,31px);font-weight:760;color:var(--deep);line-height:1.35;margin-bottom:20px}.hero-copy .hero-desc{font-size:16px;color:#526A7F;max-width:710px}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-points span{background:rgba(255,255,255,.66);border:1px solid rgba(59,130,246,.12);padding:8px 12px;border-radius:999px;color:#315673;font-size:13px;backdrop-filter:blur(10px)}
.hero-visual{position:relative;min-height:470px}.hero-visual .hero-main-img{position:relative;z-index:2;width:100%;max-height:520px;object-fit:contain;border-radius:28px;box-shadow:0 30px 80px rgba(29,78,119,.18);background:rgba(255,255,255,.55)}.hero-visual .floating-img{position:absolute;z-index:3;width:38%;right:-4%;bottom:-7%;border-radius:24px;box-shadow:0 22px 58px rgba(29,78,119,.2);background:#fff}.hero-visual .floating-card{position:absolute;z-index:4;left:-7%;bottom:8%;max-width:220px;padding:15px 17px;border-radius:18px;background:rgba(18,37,58,.92);color:#EAF4FF;box-shadow:0 18px 42px rgba(12,27,42,.25)}.hero-visual .floating-card strong{display:block;color:#fff;margin-bottom:4px}.hero-visual .floating-card small{color:#A7C6DF}
.highlight-strip{position:relative;z-index:3;margin-top:-24px}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.82);border:1px solid rgba(59,130,246,.12);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px);overflow:hidden}.highlight-item{padding:24px 26px;position:relative}.highlight-item:not(:last-child):after{content:"";position:absolute;top:24%;right:0;width:1px;height:52%;background:rgba(59,130,246,.13)}.highlight-item .num{display:block;color:#6CAEEB;font-weight:800;font-size:12px;letter-spacing:.16em}.highlight-item h2{font-size:18px;margin:5px 0 8px}.highlight-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.channel-cloud{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{display:inline-flex;align-items:center;gap:12px;padding:13px 16px;background:rgba(255,255,255,.78);border:1px solid var(--border);border-radius:999px;color:var(--text);box-shadow:0 10px 28px rgba(29,78,119,.06)}.channel-pill strong{color:var(--deep);font-size:14px}.channel-pill span{color:var(--muted);font-size:12px}.channel-pill:hover{border-color:rgba(56,189,248,.4);transform:translateY(-1px)}
.editorial-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:58px;align-items:center}.editorial-media{position:relative}.editorial-media img{width:100%;max-height:600px;object-fit:contain;border-radius:28px;box-shadow:var(--shadow);background:#fff}.editorial-media:before{content:"";position:absolute;z-index:-1;width:60%;height:60%;left:-24px;bottom:-24px;border-radius:32px;background:linear-gradient(135deg,#E9F5FF,#E8FCFA)}.editorial-copy{padding:10px 0}.editorial-copy p{color:#506779}.editorial-list{display:grid;gap:12px;margin:24px 0}.editorial-list div{padding:15px 16px;border-left:3px solid var(--ice);background:linear-gradient(90deg,rgba(233,245,255,.78),rgba(255,255,255,.08));border-radius:0 14px 14px 0}.editorial-list strong{display:block;color:var(--deep);margin-bottom:3px}
.media-showcase{background:linear-gradient(180deg,#EEF7FF 0%,rgba(245,248,252,0) 100%)}.media-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.media-feature{padding:22px;border-radius:28px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--border)}.media-feature img{width:100%;max-height:520px;object-fit:contain;border-radius:20px;background:#F4F9FE}.media-feature h3{font-size:28px;margin:22px 0 10px}.media-feature p{color:var(--muted)}.media-side{display:grid;gap:22px}.media-note{padding:24px;border-radius:24px;background:linear-gradient(135deg,#12253A,#173B5B);color:#DDEBF7;min-height:190px}.media-note h3{color:#fff;margin-bottom:10px}.media-note p{color:#B9CDDE}.media-image-small{padding:18px;border-radius:24px;background:#E8FCFA}.media-image-small img{max-height:260px;width:100%;object-fit:contain;border-radius:18px}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.dual-panel{overflow:hidden;border-radius:28px;min-height:100%;border:1px solid var(--border)}.dual-panel.blue{background:linear-gradient(145deg,#F2F8FF,#E9F5FF)}.dual-panel.cyan{background:linear-gradient(145deg,#F3FFFD,#E8FCFA)}.dual-panel.white{background:#fff;box-shadow:var(--shadow)}.dual-panel.dark{background:linear-gradient(145deg,#12253A,#173B5B);color:#DCEAF7}.dual-panel.dark h2,.dual-panel.dark h3{color:#fff}.dual-panel.dark p{color:#BBD0E0}.dual-panel .panel-content{padding:30px}.dual-panel img{width:100%;max-height:390px;object-fit:contain;background:rgba(255,255,255,.42)}
.service-points{display:grid;gap:10px;margin:20px 0}.service-point{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.55);border:1px solid rgba(59,130,246,.08)}.dark .service-point{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.08)}.service-point strong{display:block;color:var(--deep)}.dark .service-point strong{color:#fff}
.community-messages{display:grid;gap:10px;margin-top:18px}.message{max-width:85%;padding:12px 15px;border-radius:16px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 28px rgba(29,78,119,.06);font-size:14px}.message.me{margin-left:auto;background:#E8FCFA}.topic-list{display:grid;gap:10px;margin-top:18px}.topic-item{padding:14px 15px;border-radius:15px;background:rgba(255,255,255,.7);display:flex;justify-content:space-between;gap:14px}.topic-item span{color:var(--muted);font-size:13px}
.triple-grid{display:grid;grid-template-columns:1.05fr .9fr 1.05fr;gap:22px;align-items:stretch}.triple-panel{border-radius:26px;padding:26px;min-height:100%}.triple-panel.discovery{background:#fff;box-shadow:var(--shadow);border:1px solid var(--border)}.triple-panel.activity{background:linear-gradient(160deg,#172B4D,#123A58);color:#DBEAF7}.triple-panel.activity h3{color:#fff}.triple-panel.app{background:linear-gradient(145deg,#E9F5FF,#E8FCFA);overflow:hidden}.triple-panel img{width:100%;max-height:250px;object-fit:contain;border-radius:18px;margin-bottom:18px}.date-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}.date-row strong{color:#7DD3FC}.date-row span{color:#C6D9E8;font-size:13px}
.security-zone{background:linear-gradient(135deg,#EAF6FF 0%,#F6FBFF 45%,#ECFFFB 100%)}.security-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}.security-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}.security-images img{width:100%;height:auto;object-fit:contain;border-radius:22px;background:#fff;box-shadow:var(--shadow)}.security-copy{padding:20px}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.security-list div{padding:13px 14px;border-radius:14px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.1)}.security-list strong{display:block;color:var(--deep);font-size:14px}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px;position:relative}.review-card:nth-child(2),.review-card:nth-child(5){transform:translateY(16px)}.review-card:before{content:"“";position:absolute;right:18px;top:4px;font-size:70px;color:rgba(59,130,246,.12);font-family:Georgia,serif}.review-card p{position:relative;color:#445E72;margin:0}.review-card footer{margin-top:14px;color:#7C8F9F;font-size:13px}
.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:18px;padding:0 20px;box-shadow:0 10px 28px rgba(29,78,119,.05)}.faq-list summary{cursor:pointer;list-style:none;color:var(--deep);font-weight:750;padding:18px 34px 18px 0;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:0;top:14px;width:30px;height:30px;border-radius:50%;background:#EEF7FF;color:#2563EB;text-align:center;line-height:30px;font-size:20px}.faq-list details[open] summary:after{content:"–"}.faq-list details p{padding:0 0 18px;color:var(--muted)}
.responsible-banner{background:linear-gradient(135deg,#12253A,#173B5B);color:#DCEAF7;border-radius:30px;padding:38px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px}.responsible-banner h2{color:#fff;margin-bottom:10px}.responsible-banner p{color:#BBD0E0;max-width:830px;margin:0}.responsible-banner .main-btn{white-space:nowrap}
.inner-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 14%,rgba(56,189,248,.18),transparent 28%),linear-gradient(135deg,#F9FCFF,#EEF8FF 52%,#F0FFFC)}.inner-hero-grid{max-width:1240px;margin:0 auto;padding:72px 28px 60px;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.inner-hero h1{font-size:clamp(38px,6vw,66px);letter-spacing:-.04em;margin-bottom:18px}.inner-hero p{color:#546C80;font-size:16px;max-width:720px}.inner-hero img{width:100%;max-height:470px;object-fit:contain;border-radius:28px;background:rgba(255,255,255,.6);box-shadow:var(--shadow)}.inner-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.inner-meta span{padding:7px 11px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:12px;color:#537086}
.content-wrap{max-width:1120px;margin:0 auto;padding:0 28px}.prose-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:start}.prose-index{font-size:64px;font-weight:900;color:#D8E9F7;line-height:1}.prose-copy p{font-size:16px;color:#486276}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{padding:25px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:0 16px 38px rgba(29,78,119,.07)}.feature-card .feature-no{display:inline-block;color:#0284C7;font-size:12px;font-weight:850;letter-spacing:.16em;margin-bottom:18px}.feature-card h2,.feature-card h3{font-size:22px;margin-bottom:12px}.feature-card p{color:var(--muted);font-size:14px;margin:0}
.steps-list{counter-reset:step;display:grid;gap:16px}.step-row{counter-increment:step;display:grid;grid-template-columns:60px 1fr;gap:20px;padding:22px 24px;background:linear-gradient(90deg,#fff,#F6FBFF);border:1px solid var(--border);border-radius:20px}.step-row:before{content:"0" counter(step);font-weight:900;color:#55A9E8;font-size:21px}.step-row h3{font-size:19px;margin-bottom:6px}.step-row p{color:var(--muted);font-size:14px;margin:0}
.quote-block{padding:34px;border-radius:26px;background:linear-gradient(145deg,#12253A,#163A58);color:#DCEAF7;position:relative;overflow:hidden}.quote-block:after{content:"“";position:absolute;right:24px;bottom:-30px;font-size:150px;line-height:1;color:rgba(255,255,255,.06);font-family:Georgia,serif}.quote-block h2{color:#fff;font-size:24px}.quote-block p{color:#C1D5E5;font-size:16px;max-width:900px}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-panel{padding:26px;border-radius:22px;background:#E9F5FF}.note-panel.alt{background:#E8FCFA}.note-panel h2{font-size:22px}.note-panel p{color:#526B7E;margin:0}
.inner-faq{display:grid;gap:12px}.inner-faq details{background:#fff;border:1px solid var(--border);border-radius:18px;padding:0 18px}.inner-faq summary{padding:17px 32px 17px 0;font-weight:750;color:var(--deep);cursor:pointer;position:relative;list-style:none}.inner-faq summary:after{content:"+";position:absolute;right:0;color:#2563EB}.inner-faq details[open] summary:after{content:"–"}.inner-faq p{color:var(--muted);padding-bottom:17px;margin:0}
.page-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px;border-radius:28px;background:linear-gradient(135deg,#EAF6FF,#F0FFFC);border:1px solid var(--border)}.page-cta h2{font-size:28px;margin-bottom:8px}.page-cta p{color:var(--muted);margin:0;max-width:720px}
.variant-editorial .feature-card:nth-child(2){transform:translateY(14px)}.variant-editorial .feature-card:nth-child(3){background:#12253A}.variant-editorial .feature-card:nth-child(3) h2,.variant-editorial .feature-card:nth-child(3) h3{color:#fff}.variant-editorial .feature-card:nth-child(3) p{color:#BBD0E0}.variant-flow .feature-grid{grid-template-columns:1.2fr .8fr .8fr}.variant-flow .feature-card:first-child{background:linear-gradient(145deg,#E9F5FF,#fff)}.variant-tags .feature-card{border-radius:999px;padding:24px 28px}.variant-tags .feature-grid{grid-template-columns:1fr 1fr 1fr}.variant-chat .step-row:nth-child(even){margin-left:6%}.variant-community .feature-grid{grid-template-columns:1fr 1.15fr .85fr}.variant-timeline .steps-list{border-left:2px solid #CBE9F7;padding-left:22px}.variant-timeline .step-row{position:relative}.variant-timeline .step-row:after{content:"";position:absolute;left:-31px;top:31px;width:16px;height:16px;border-radius:50%;background:#38BDF8;border:4px solid #F5F8FC}.variant-device .inner-hero img{max-height:560px}.variant-safety .quote-block{background:linear-gradient(145deg,#173B5B,#12253A)}.variant-support .feature-grid{grid-template-columns:repeat(2,1fr)}.variant-support .feature-card:last-child{grid-column:span 2}.variant-story .prose-intro{grid-template-columns:.45fr 1.55fr}
.site-footer{background:var(--footer);color:#EAF4FF;margin-top:80px;padding:62px 28px 26px}.footer-grid{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}.footer-logo{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:850;margin-bottom:18px}.footer-logo img{width:46px;max-height:46px;object-fit:contain}.footer-brand p{color:#AFC6D8;max-width:480px;font-size:14px}.footer-grid h2{color:#fff;font-size:15px;margin-bottom:16px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:9px}.footer-grid a{color:#B9D1E4;font-size:14px}.footer-grid a:hover{color:#fff}.footer-bottom{max-width:1240px;margin:40px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:30px;color:#8FA9BD;font-size:12px}.footer-bottom p{margin:0}.mobile-bottom-nav{display:none}
@media (max-width:1050px){.nav-core{display:none}.header-inner{padding:0 20px}.mobile-menu-toggle{display:inline-flex;order:-1}.desktop-menu-toggle{display:none}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.hero-grid{grid-template-columns:1fr;gap:36px;padding-top:66px}.hero-copy{text-align:center}.hero-copy .hero-desc{margin-left:auto;margin-right:auto}.hero-actions,.hero-points{justify-content:center}.hero-visual{max-width:760px;width:100%;margin:0 auto}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2):after{display:none}.editorial-grid,.security-grid,.inner-hero-grid{grid-template-columns:1fr}.triple-grid{grid-template-columns:1fr 1fr}.triple-panel.app{grid-column:span 2}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid .feature-card:last-child{grid-column:span 2}.variant-flow .feature-grid,.variant-tags .feature-grid,.variant-community .feature-grid{grid-template-columns:1fr 1fr}.variant-flow .feature-card:last-child,.variant-tags .feature-card:last-child,.variant-community .feature-card:last-child{grid-column:span 2}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:760px){body{padding-bottom:72px}.section{padding:56px 0}.section-sm{padding:40px 0}.page-shell,.content-wrap{padding-left:18px;padding-right:18px}.header-inner{min-height:64px;padding:0 14px;gap:10px}.site-logo strong{font-size:16px}.site-logo img{max-height:36px;max-width:112px}.compact-btn{font-size:12px;padding:7px 12px;min-height:36px}.menu-toggle{width:38px;height:38px}.hero-grid{padding:58px 18px 48px}.hero-copy h1{font-size:48px}.hero-copy .hero-subtitle{font-size:22px}.hero-visual{min-height:340px}.hero-visual .hero-main-img{max-height:390px}.hero-visual .floating-img{width:36%;right:-2%;bottom:-2%}.hero-visual .floating-card{left:1%;bottom:4%;max-width:180px;padding:11px 13px}.highlight-strip{margin-top:-8px}.highlight-grid{grid-template-columns:1fr}.highlight-item{padding:20px}.highlight-item:not(:last-child):after{top:auto;bottom:0;left:20px;right:20px;width:auto;height:1px}.highlight-item:nth-child(2):after{display:block}.channel-cloud{gap:9px}.channel-pill{border-radius:18px;align-items:flex-start;flex-direction:column;gap:2px;padding:11px 13px}.section-head{align-items:flex-start;flex-direction:column}.editorial-grid,.media-layout,.dual-grid,.security-grid,.inner-hero-grid,.prose-intro,.note-grid,.triple-grid{grid-template-columns:1fr}.editorial-grid{gap:34px}.media-side{grid-template-columns:1fr}.triple-panel.app{grid-column:auto}.security-images{grid-template-columns:1fr 1fr}.security-list{grid-template-columns:1fr}.reviews-grid{grid-template-columns:1fr}.review-card:nth-child(2),.review-card:nth-child(5){transform:none}.responsible-banner{grid-template-columns:1fr;padding:26px}.inner-hero-grid{padding:52px 18px 42px}.inner-hero h1{font-size:42px}.feature-grid,.variant-flow .feature-grid,.variant-tags .feature-grid,.variant-community .feature-grid,.variant-support .feature-grid{grid-template-columns:1fr}.feature-grid .feature-card:last-child,.variant-flow .feature-card:last-child,.variant-tags .feature-card:last-child,.variant-community .feature-card:last-child,.variant-support .feature-card:last-child{grid-column:auto}.variant-editorial .feature-card:nth-child(2){transform:none}.variant-tags .feature-card{border-radius:22px}.variant-chat .step-row:nth-child(even){margin-left:0}.step-row{grid-template-columns:48px 1fr;padding:18px}.page-cta{align-items:flex-start;flex-direction:column;padding:26px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:span 2}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:12px}.mobile-bottom-nav{position:fixed;z-index:9998;left:10px;right:10px;bottom:8px;display:grid;grid-template-columns:repeat(4,1fr);padding:7px;background:rgba(12,27,42,.94);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:0 16px 46px rgba(10,24,42,.28)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;color:#AFC6D8;font-size:11px;border-radius:12px;padding:5px}.mobile-bottom-nav a span{font-size:15px}.mobile-bottom-nav a.active{color:#fff;background:rgba(56,189,248,.12)}}
@media (max-width:480px){.site-logo strong{display:none}.hero-copy h1{font-size:42px}.hero-copy .hero-subtitle{font-size:20px}.hero-visual .floating-card{display:none}.security-images{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.drawer-nav{grid-template-columns:1fr}}