:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--soft:#9AA4BA;--title:#131A35;--brand:#5B6CFF;--purple:#7A5CFF;--cyan:#00D4FF;--gold:#FFC857;--nav:#0C1228;--deep:#11182F;--border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:none}img{max-width:100%;height:auto;display:block}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(12,18,40,.94);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{width:min(var(--max),calc(100% - 32px));min-height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;white-space:nowrap}.site-logo img{width:42px;height:42px;object-fit:contain}.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{color:#EEF2FF;padding:8px 11px;border-radius:999px;font-size:15px;white-space:nowrap}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);color:#fff;border-radius:999px;padding:12px 22px;font-weight:750;box-shadow:0 14px 32px rgba(91,108,255,.22);border:0}.main-btn:hover{transform:translateY(-1px);box-shadow:0 18px 36px rgba(91,108,255,.28)}.main-btn.compact{padding:9px 16px;font-size:14px}.menu-toggle,.drawer-close{border:0;background:transparent;cursor:pointer}.menu-toggle{width:42px;height:42px;border-radius:50%;display:grid;place-content:center;gap:4px;background:rgba(255,255,255,.09)}.menu-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:3px}.mobile-only{display:none}.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(5,9,24,.56);backdrop-filter:blur(2px)}.site-drawer{position:fixed;right:0;top:0;bottom:0;z-index:10001;width:min(380px,88vw);background:#fff;transform:translateX(105%);transition:transform .25s ease;box-shadow:-24px 0 60px rgba(10,16,44,.24);padding:22px;overflow:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);font-size:20px;color:var(--title)}.drawer-close{font-size:34px;color:var(--muted);line-height:1}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.drawer-nav a{padding:10px 12px;border-radius:12px;color:var(--ink);background:#F7F8FF}.drawer-nav a:hover{background:#EEF2FF;color:var(--brand)}.drawer-note{padding:16px;border-radius:18px;background:#EFF8FF;color:var(--muted)}.drawer-note strong{color:var(--title)}main{min-height:60vh}.container{width:min(var(--max),calc(100% - 36px));margin:0 auto}.section{padding:72px 0}.section.compact{padding:48px 0}.section-head{max-width:780px;margin-bottom:28px}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#6E54E8;font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.section-title,h1,h2,h3{color:var(--title);line-height:1.28;margin-top:0}.section-title{font-size:clamp(28px,4vw,44px);margin:10px 0 14px}.section-desc,.muted{color:var(--muted)}.hero{position:relative;overflow:hidden;padding:70px 0 58px;background:radial-gradient(circle at 12% 18%,rgba(122,92,255,.22),transparent 32%),radial-gradient(circle at 88% 20%,rgba(0,212,255,.22),transparent 30%),linear-gradient(135deg,#F9F5FF 0%,#EFF7FF 58%,#FFF8FD 100%)}.hero:after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;right:-120px;bottom:-160px;background:rgba(255,200,87,.16);filter:blur(4px)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:52px}.hero h1{font-size:clamp(50px,7vw,86px);margin:10px 0 8px;letter-spacing:-.04em}.hero-sub{font-size:clamp(22px,3vw,34px);font-weight:800;color:#30395F;margin-bottom:18px}.hero-copy{font-size:17px;color:var(--muted);max-width:690px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 18px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.8);font-weight:750;color:var(--title)}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0;padding:0;list-style:none}.hero-points li{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:#46506B}.hero-visual{position:relative}.hero-visual img{width:100%;max-height:560px;object-fit:contain;filter:drop-shadow(0 28px 36px rgba(59,72,140,.18))}.floating-note{position:absolute;left:-24px;bottom:34px;background:#fff;padding:14px 16px;border-radius:18px;box-shadow:var(--shadow);max-width:220px;font-size:13px;color:var(--muted)}.floating-note strong{display:block;color:var(--title);font-size:15px}.highlight-strip{margin-top:-22px;position:relative;z-index:3}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:0 14px 34px rgba(25,43,91,.09)}.highlight-item h3{font-size:18px;margin-bottom:7px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.pill-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.pill-card{display:block;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--border);transition:.2s ease;color:var(--ink)}.pill-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(25,43,91,.09)}.pill-card strong{display:block;color:var(--title);margin-bottom:4px}.pill-card span{font-size:13px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.split.reverse .media{order:2}.media img,.content-img{width:100%;border-radius:24px;object-fit:contain;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px;padding:24px}.zone-card img,.card img{width:100%;height:220px;object-fit:contain;border-radius:16px;margin-bottom:18px;background:#F7F9FF}.card h3,.zone-card h3,.info-card h3{font-size:21px;margin-bottom:8px}.card p,.zone-card p,.info-card p{color:var(--muted)}.feature-list{display:grid;gap:10px;margin:20px 0}.feature-list div{padding:12px 14px;border-radius:14px;background:#F7F8FF;border:1px solid rgba(91,108,255,.11)}.feature-list strong{color:var(--title)}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:760}.text-link:after{content:"→"}.security-band{background:linear-gradient(135deg,#10182F,#19264B);color:#DDE7FF}.security-band h2,.security-band h3{color:#fff}.security-band p{color:#B9C6E6}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.security-card{padding:28px;border:1px solid rgba(255,255,255,.11);border-radius:24px;background:rgba(255,255,255,.055)}.security-card img{width:100%;height:260px;object-fit:contain;border-radius:18px;background:rgba(255,255,255,.03);margin-bottom:18px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card blockquote{margin:0;color:#4C5673}.review-card cite{display:block;margin-top:14px;color:var(--soft);font-style:normal;font-size:13px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px 22px}.faq-item h3{font-size:18px;margin:0 0 7px}.faq-item p{margin:0;color:var(--muted)}.notice{padding:28px;border-radius:24px;background:linear-gradient(135deg,#FFF4D6,#EFF8FF);border:1px solid rgba(255,200,87,.3)}.notice h2{font-size:26px}.page-hero{padding:62px 0;background:radial-gradient(circle at 75% 20%,rgba(0,212,255,.16),transparent 28%),linear-gradient(135deg,#F7F4FF,#EEF7FF)}.page-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}.page-hero h1{font-size:clamp(36px,5.5vw,60px);margin:8px 0 14px}.page-hero p{font-size:17px;color:var(--muted)}.page-hero img{width:100%;max-height:420px;object-fit:contain;border-radius:26px;filter:drop-shadow(0 22px 30px rgba(25,43,91,.13))}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:32px;align-items:start}.prose{background:#fff;border-radius:26px;border:1px solid var(--border);box-shadow:var(--shadow);padding:34px}.prose h2{font-size:27px;margin-top:34px}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px;margin-top:26px}.prose p{margin:0 0 16px;color:#45506D}.prose ul{padding-left:1.2em;color:#45506D}.prose li{margin:8px 0}.side-stack{display:grid;gap:18px;position:sticky;top:96px}.side-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px}.side-card h3{font-size:19px}.side-card img{border-radius:15px;margin-bottom:14px}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-block;padding:6px 10px;border-radius:999px;background:#FFF8E7;color:#8B6500;font-size:12px;font-weight:750}.cta-band{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.cta-band h2{margin:0 0 8px}.cta-band p{margin:0;color:var(--muted)}footer{background:#0B1024;color:#EEF2FF;padding:54px 0 22px}.footer-inner{width:min(var(--max),calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:2fr repeat(3,1fr);gap:34px}.footer-brand p{max-width:410px;color:#AEB9D7}.footer-logo{margin-bottom:14px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links strong{margin-bottom:6px}.footer-links a{color:#C6D0ED;font-size:14px}.footer-bottom{width:min(var(--max),calc(100% - 36px));margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:22px;justify-content:space-between;color:#8F9AB8;font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.nav-core{gap:2px}.nav-core a{font-size:14px;padding:8px}.pill-grid{grid-template-columns:repeat(3,1fr)}.card-grid{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}.article-shell{grid-template-columns:1fr}.side-stack{position:static;grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){body{padding-bottom:66px}.header-inner{min-height:64px;width:min(100% - 20px,var(--max))}.mobile-only{display:grid}.desktop-menu,.nav-core{display:none}.site-logo span{display:none}.site-logo img{width:38px;height:38px}.header-actions{gap:6px}.main-btn.compact{padding:8px 12px;font-size:13px}.hero{padding:48px 0 46px}.hero-grid,.page-hero-grid,.split,.security-grid{grid-template-columns:1fr}.split.reverse .media{order:0}.hero-visual{max-width:620px;margin:0 auto}.floating-note{left:8px;bottom:14px}.highlight-grid{grid-template-columns:repeat(2,1fr)}.pill-grid{grid-template-columns:repeat(2,1fr)}.section{padding:54px 0}.card-grid,.review-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:9px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.94);backdrop-filter:blur(12px);border-radius:18px;padding:8px;box-shadow:0 12px 30px rgba(11,16,36,.25)}.mobile-bottom-nav a{text-align:center;color:#EEF2FF;font-size:12px;padding:7px;border-radius:12px}.mobile-bottom-nav a:hover{background:rgba(255,255,255,.08)}.cta-band{align-items:flex-start;flex-direction:column}.prose{padding:26px}}
@media(max-width:560px){.container{width:min(100% - 24px,var(--max))}.hero h1{font-size:48px}.hero-sub{font-size:22px}.hero-copy,.page-hero p{font-size:15px}.hero-points{gap:7px}.highlight-grid,.pill-grid,.card-grid,.review-grid,.side-stack,.footer-inner{grid-template-columns:1fr}.highlight-strip{margin-top:-12px}.highlight-item,.card,.zone-card,.info-card,.review-card{padding:20px}.section-title{font-size:30px}.page-hero{padding:44px 0}.page-hero h1{font-size:38px}.prose{padding:22px}.footer-brand{grid-column:auto}.drawer-nav{grid-template-columns:1fr 1fr}.floating-note{position:static;margin-top:12px}.security-card img,.zone-card img,.card img{height:auto}}