:root{
  --bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--primary:#3B82F6;--deep:#172B4D;
  --ice:#38BDF8;--teal:#22D3C5;--violet:#6366F1;--light:#E9F5FF;--mint:#E8FCFA;--soft:#F0F4F8;
  --highlight:#2563EB;--text:#263748;--muted:#657789;--hint:#8C9AAA;--card:#fff;--dark:#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%);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}
body.drawer-open{overflow:hidden}a{color:var(--highlight);text-decoration:none}img{max-width:100%;height:auto;display:block}
.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 24px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.site-logo{display:flex;align-items:center;gap:10px;color:#fff;white-space:nowrap}.site-logo img{max-height:44px;width:auto}.site-logo strong{font-size:20px;letter-spacing:.08em}
.nav-core{display:flex;align-items:center;gap:8px;margin-left:auto}.nav-core a{color:#DCEAF7;border-radius:999px;padding:8px 12px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14)}
.header-actions{display:flex;align-items:center;gap:12px}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--gradient);color:#fff;border-radius:999px;box-shadow:0 14px 32px rgba(37,99,235,.20);padding:12px 22px;font-weight:700;transition:.2s transform,.2s box-shadow}.main-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.28)}.main-btn.compact{padding:9px 17px;font-size:14px}
.secondary-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(37,99,235,.22);color:var(--highlight);background:rgba(255,255,255,.72);padding:11px 20px;border-radius:999px;font-weight:700}
.main-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(56,189,248,.6);outline-offset:3px}
.menu-toggle{border:0;background:transparent;padding:8px;display:grid;gap:4px;cursor:pointer}.menu-toggle span{width:22px;height:2px;background:#DCEAF7;border-radius:3px;display:block}.mobile-only{display:none}
.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(4,15,28,.56);backdrop-filter:blur(3px)}
.site-drawer{position:fixed;right:0;top:0;width:min(390px,88vw);height:100vh;z-index:10001;background:#fff;transform:translateX(102%);transition:transform .25s ease;box-shadow:-28px 0 60px rgba(10,35,60,.18);padding:24px;overflow:auto}
.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.drawer-brand{font-size:24px;font-weight:800;color:var(--deep)}
.drawer-close{border:0;background:var(--soft);width:40px;height:40px;border-radius:50%;font-size:26px;cursor:pointer;color:var(--deep)}.drawer-note{color:var(--muted);margin:6px 0 18px;font-size:14px}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-nav a{padding:10px 12px;border-radius:14px;background:#F8FBFE;color:var(--text);border:1px solid var(--border)}.drawer-nav a:hover{background:var(--light);color:var(--highlight)}
.page-shell{min-height:60vh}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#F9FCFF 0%,#EAF6FF 45%,#E9FEFA 100%);padding:78px 0 66px}.hero:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(56,189,248,.18);filter:blur(30px);right:-120px;top:-180px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}.hero-copy{position:relative;z-index:1}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-size:13px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.hero h1{margin:10px 0 8px;color:var(--title);font-size:clamp(44px,7vw,78px);line-height:1.02;letter-spacing:-.04em}.hero .lead{font-size:clamp(21px,3vw,34px);line-height:1.35;color:var(--deep);margin:0 0 18px;font-weight:750}.hero .intro{color:var(--muted);font-size:16px;max-width:700px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0;padding:0;list-style:none}.hero-points li{background:rgba(255,255,255,.76);border:1px solid rgba(59,130,246,.13);padding:8px 13px;border-radius:999px;color:var(--deep);font-size:14px}
.hero-visual{position:relative;z-index:1}.hero-visual .hero-main{border-radius:30px;box-shadow:0 28px 70px rgba(22,72,115,.18);background:#fff;padding:10px}.hero-visual .float-img{position:absolute;width:34%;right:-4%;bottom:-8%;background:rgba(255,255,255,.82);padding:8px;border-radius:24px;box-shadow:var(--shadow)}.hero-visual img{object-fit:contain}
.highlight-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.highlight-row{display:grid;grid-template-columns:repeat(4,1fr)}.highlight-item{padding:24px 26px;position:relative}.highlight-item:not(:last-child):after{content:"";position:absolute;right:0;top:24%;height:52%;width:1px;background:var(--border)}.highlight-item b{display:block;color:var(--deep);font-size:18px;margin:4px 0}.highlight-item span{color:var(--muted);font-size:14px}.num{color:var(--ice);font-weight:900;font-size:12px;letter-spacing:.14em}
.section{padding:72px 0}.section.alt{background:linear-gradient(180deg,#EEF7FF 0%,#F8FBFE 100%)}.section.mint{background:linear-gradient(180deg,#EAFDF9 0%,#F6FBFC 100%)}.section.dark-soft{background:linear-gradient(135deg,#132943,#1B3C55);color:#E9F5FF}.section.dark-soft h2,.section.dark-soft h3{color:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-title{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:7px 0 0;color:var(--title);letter-spacing:-.02em}.section-desc{max-width:690px;color:var(--muted);margin:10px 0 0}
.channel-pills{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{display:inline-flex;gap:8px;align-items:center;padding:12px 16px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.76);box-shadow:0 10px 26px rgba(29,78,119,.05);color:var(--text)}.channel-pill small{color:var(--muted)}
.editorial-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}.editorial-grid.reverse{grid-template-columns:.9fr 1.1fr}.content-img{border-radius:26px;box-shadow:var(--shadow);background:#fff;padding:8px;object-fit:contain}
.media-stack{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:end}.media-stack img:first-child{grid-row:span 2}.media-stack img{border-radius:24px;box-shadow:var(--shadow);background:#fff;padding:7px}
.copy-block h2,.copy-block h3{color:var(--title);margin:8px 0 12px;line-height:1.25}.copy-block h2{font-size:clamp(30px,4vw,44px)}.copy-block h3{font-size:24px}.copy-block p{color:var(--muted)}
.text-link{display:inline-flex;gap:6px;align-items:center;color:var(--highlight);font-weight:750;margin-top:6px}.text-link:after{content:"→"}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.zone-card,.info-card,.review-card,.card{background:rgba(255,255,255,.9);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.zone-card{overflow:hidden}.zone-card .zone-body{padding:26px}.zone-card img{width:100%;max-height:430px;object-fit:contain;background:#F7FAFC}.zone-card.accent-blue{background:linear-gradient(145deg,#fff,#EFF8FF)}.zone-card.accent-mint{background:linear-gradient(145deg,#fff,#ECFFFA)}.zone-card h3{font-size:28px;color:var(--title);margin:5px 0 10px}.zone-card p{color:var(--muted)}
.point-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}.point-list li{padding-left:22px;position:relative}.point-list li:before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--teal))}
.triple-grid{display:grid;grid-template-columns:1.05fr .9fr 1.05fr;gap:22px;align-items:start}.info-card{padding:24px}.info-card h3{font-size:24px;color:var(--title);margin:7px 0 8px}.info-card p{color:var(--muted)}.info-card img{border-radius:18px;margin:14px 0;max-height:300px;object-fit:contain}
.timeline{display:grid;gap:12px;margin:14px 0}.timeline-item{border-left:2px solid rgba(56,189,248,.45);padding:2px 0 2px 15px}.timeline-item b{display:block;color:var(--deep)}
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.safety-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;align-items:center;background:rgba(255,255,255,.86);border:1px solid var(--border);border-radius:24px;padding:18px}.safety-card img{border-radius:18px}.safety-card h3{color:var(--deep);font-size:24px;margin:0 0 8px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px}.review-card:nth-child(2n){transform:translateY(12px)}.review-card blockquote{margin:0;color:var(--text);font-size:15px}.review-card .reviewer{display:block;margin-top:15px;color:var(--muted);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 26px rgba(29,78,119,.05)}.faq-list summary{cursor:pointer;color:var(--deep);font-weight:800;padding:17px 0}.faq-list details p{color:var(--muted);margin:0 0 18px}
.notice-band{background:linear-gradient(135deg,#163450,#204E68);border-radius:28px;padding:34px;color:#EAF4FF}.notice-band h2{color:#fff;margin:0 0 10px}.notice-band p{margin:0;color:#D8E7F4}
.page-hero{position:relative;padding:64px 0 52px;background:linear-gradient(135deg,#F8FBFF,#EAF6FF 55%,#EAFDF9)}.page-hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:48px;align-items:center}.page-hero h1{font-size:clamp(38px,6vw,64px);line-height:1.1;color:var(--title);margin:7px 0 12px}.page-hero p{color:var(--muted);font-size:17px}.page-hero img{border-radius:28px;background:#fff;padding:8px;box-shadow:var(--shadow);max-height:430px;margin-left:auto;object-fit:contain}
.breadcrumbs{font-size:13px;color:var(--muted)}.breadcrumbs a{color:#0284C7}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}.article-card{background:#fff;border:1px solid var(--border);border-radius:26px;padding:32px;box-shadow:var(--shadow)}.article-card h2{font-size:30px;color:var(--title);margin:8px 0 14px}.article-card h3{font-size:22px;color:var(--deep);margin:28px 0 8px}.article-card p{color:var(--muted);margin:10px 0}.article-card .inline-img{border-radius:22px;margin:24px 0;background:#F8FBFE;padding:7px;max-height:520px;object-fit:contain}
.sidebar-stack{display:grid;gap:18px;position:sticky;top:100px}.sidebar-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px}.sidebar-card h3{margin:0 0 10px;color:var(--title)}.sidebar-card a{display:block;padding:8px 0;border-bottom:1px solid #EDF3F8}.sidebar-card a:last-child{border-bottom:0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-box{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px}.feature-box h3{color:var(--deep);margin:4px 0 8px}.feature-box p{color:var(--muted);margin:0}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{counter-increment:step;background:linear-gradient(145deg,#fff,#F1F8FF);border:1px solid var(--border);border-radius:20px;padding:22px}.step:before{content:"0" counter(step);display:block;color:var(--ice);font-weight:900;letter-spacing:.12em;margin-bottom:8px}.step h3{margin:0 0 6px;color:var(--deep)}
.page-hero.page-vlog{background:linear-gradient(135deg,#F8FBFF,#EEF4FF,#EAFDFA)}.page-vlog .article-card{border-radius:34px 12px 34px 12px}.page-hero.page-social{background:linear-gradient(135deg,#F6FBFF,#E8FCFA)}.page-match .feature-box{border-radius:999px 24px 24px 999px;padding-left:30px}.page-chat .feature-box{background:linear-gradient(145deg,#fff,#EDF7FF)}.page-community .article-card{box-shadow:none;border-top:4px solid rgba(56,189,248,.38)}.page-discover .feature-grid{grid-template-columns:1.3fr .85fr .85fr}.page-activity .timeline-item{padding-top:8px;padding-bottom:8px}.page-hero.page-app img{max-height:520px}.page-hero.page-safety,.page-hero.page-privacy{background:linear-gradient(135deg,#F9FCFF,#E7F6FF)}.page-responsible .notice-band{background:linear-gradient(135deg,#1C3F5A,#24656D)}
.site-footer{background:#0C1B2A;color:#EAF4FF;padding:56px 0 22px}.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}.footer-brand p{color:#BFD0DF;font-size:14px;max-width:440px}.footer-logo{margin-bottom:14px}.footer-column h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-column a{display:block;color:#CFE0EE;padding:5px 0;font-size:14px}.footer-column a:hover{color:#fff}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}.footer-bottom p{margin:0;color:#AFC4D5;font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:1020px){.nav-core{display:none}.desktop-menu{display:grid}.mobile-only{display:none}.hero-grid,.page-hero-grid,.editorial-grid,.editorial-grid.reverse,.content-layout{grid-template-columns:1fr}.hero-visual{max-width:720px}.page-hero img{margin:0}.sidebar-stack{position:static;grid-template-columns:repeat(2,1fr)}.triple-grid{grid-template-columns:1fr 1fr}.triple-grid>*:last-child{grid-column:1/-1}.reviews{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1.4fr 1fr 1fr}.footer-column:last-child{grid-column:2/4}}
@media(max-width:760px){body{padding-bottom:68px}.header-inner{min-height:64px;padding:0 14px;gap:8px}.mobile-only{display:grid}.desktop-menu{display:none}.site-logo strong{font-size:18px}.site-logo img{max-height:38px}.header-actions .main-btn{padding:8px 12px;font-size:13px}.container{width:min(100% - 28px,1200px)}.hero{padding:48px 0 42px}.hero-grid{gap:28px}.hero h1{font-size:48px}.hero .lead{font-size:25px}.hero-visual .float-img{width:40%;right:0;bottom:-4%}.highlight-row{grid-template-columns:1fr 1fr}.highlight-item{padding:20px}.highlight-item:nth-child(2):after{display:none}.section{padding:52px 0}.section-head{align-items:start;flex-direction:column}.media-stack,.split-grid,.safety-grid,.safety-card,.feature-grid,.steps,.triple-grid,.page-discover .feature-grid{grid-template-columns:1fr}.triple-grid>*:last-child{grid-column:auto}.reviews{grid-template-columns:1fr}.review-card:nth-child(2n){transform:none}.sidebar-stack{grid-template-columns:1fr}.article-card{padding:24px 20px}.page-hero{padding:46px 0 38px}.page-hero h1{font-size:40px}.page-hero-grid{gap:24px}.channel-pill{border-radius:18px;align-items:flex-start;flex-direction:column;gap:2px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-column:last-child{grid-column:auto}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,27,42,.96);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.08);padding:8px 8px max(8px,env(safe-area-inset-bottom))}.mobile-bottom-nav a{color:#DCEAF7;text-align:center;font-size:12px;padding:6px}}
@media(max-width:480px){.site-logo strong{display:none}.highlight-row{grid-template-columns:1fr}.highlight-item:after{display:none}.hero .lead{font-size:22px}.footer-inner{grid-template-columns:1fr}.footer-brand,.footer-column:last-child{grid-column:auto}.drawer-nav{grid-template-columns:1fr}}