:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--soft:#9AA4BA;--title:#131A35;--brand:#5B6CFF;--purple:#7A5CFF;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--nav:#0C1228;--card:#fff;--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:"Microsoft YaHei","PingFang SC",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(--brand);text-decoration:none}a:hover{text-decoration:none}button,input,textarea{font:inherit}main{min-height:62vh}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.narrow{width:min(calc(100% - 40px),900px);margin-inline:auto}.section{padding:88px 0}.section.compact-section{padding:58px 0}.section-alt{background:linear-gradient(180deg,#EEF5FF 0%,#F9F7FF 100%)}.section-dark{background:linear-gradient(135deg,#11182F 0%,#16213E 68%,#1E2451 100%);color:#EEF2FF}.section-dark h2,.section-dark h3,.section-dark .section-title{color:#fff}.section-head{max-width:760px;margin:0 auto 36px;text-align:center}.section-kicker{display:inline-block;margin-bottom:10px;color:#6A55E8;font-weight:800;letter-spacing:.08em}.section-title,h1,h2,h3{color:var(--title);line-height:1.25}.section-title{font-size:clamp(30px,4vw,46px);margin:0 0 14px}.section-lead{margin:0;color:var(--muted);font-size:18px}.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(calc(100% - 32px),1280px);min-height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:900;white-space:nowrap}.site-logo img{max-height:44px;max-width:48px;object-fit:contain}.nav-core{display:flex;align-items:center;gap:6px}.nav-core a{color:#EEF2FF;border-radius:999px;padding:8px 12px;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;min-height:48px;padding:12px 24px;border-radius:999px;background:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);color:#fff;font-weight:800;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:transform .2s ease,box-shadow .2s ease}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,108,255,.28)}.main-btn.compact{min-height:42px;padding:9px 18px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 22px;border:1px solid rgba(91,108,255,.28);border-radius:999px;background:#fff;color:var(--brand);font-weight:800}.menu-toggle{width:42px;height:42px;padding:10px;border:0;border-radius:13px;background:rgba(255,255,255,.1);display:grid;align-content:center;gap:5px;cursor:pointer}.menu-toggle span{height:2px;background:#fff;border-radius:2px}.mobile-only{display:none}.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(5,8,20,.56);opacity:0;visibility:hidden;transition:.25s}.site-drawer{position:fixed;right:0;top:0;bottom:0;z-index:10001;width:min(380px,88vw);padding:22px;background:#0F1731;color:#fff;transform:translateX(105%);transition:transform .28s ease;overflow-y:auto}.drawer-open .drawer-overlay{opacity:1;visibility:visible}.drawer-open .site-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}.drawer-head strong{font-size:20px}.drawer-close{border:0;background:rgba(255,255,255,.1);color:#fff;width:40px;height:40px;border-radius:50%;font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:20px 0}.drawer-nav a{color:#EEF2FF;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.055)}.drawer-nav a:hover{background:rgba(0,212,255,.14)}.drawer-note{padding:16px;border-radius:18px;background:rgba(91,108,255,.16);color:#DDE5FF;font-size:14px}.hero{position:relative;isolation:isolate;overflow:hidden;padding:78px 0 70px;background:radial-gradient(circle at 16% 12%,rgba(255,200,87,.22),transparent 28%),radial-gradient(circle at 86% 10%,rgba(0,212,255,.2),transparent 30%),linear-gradient(135deg,#F1F2FF 0%,#EEF9FF 48%,#FCEFFF 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);z-index:-1}.hero:before{width:360px;height:360px;right:-110px;top:40px;background:rgba(122,92,255,.12)}.hero:after{width:250px;height:250px;left:-90px;bottom:-100px;background:rgba(0,212,255,.12)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:rgba(91,108,255,.1);color:var(--brand);font-weight:800}.hero h1{font-size:clamp(50px,7vw,82px);margin:18px 0 10px;letter-spacing:-.04em}.hero-subtitle{font-size:clamp(22px,3vw,34px);font-weight:800;color:#26325D;margin:0 0 20px}.hero-copy{font-size:17px;color:#525F7D;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}.hero-points{display:flex;flex-wrap:wrap;gap:10px}.hero-points span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#3B4567;font-size:14px;box-shadow:0 10px 22px rgba(40,55,105,.08)}.hero-visual{position:relative}.hero-visual>img{width:100%;max-height:580px;object-fit:contain;filter:drop-shadow(0 28px 36px rgba(55,66,134,.22))}.floating-card{position:absolute;padding:12px 16px;border-radius:18px;background:rgba(255,255,255,.9);box-shadow:var(--shadow);backdrop-filter:blur(10px);font-weight:800;color:#3B4567}.floating-one{left:-16px;top:16%}.floating-two{right:-10px;bottom:12%}.highlight-strip{position:relative;margin-top:-28px;z-index:2}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.highlight-item h2{font-size:20px;margin:0 0 7px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.pill-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.pill-nav a{display:inline-flex;gap:8px;align-items:center;padding:10px 15px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#4B5775;box-shadow:0 10px 24px rgba(25,43,91,.08)}.pill-nav a strong{color:var(--brand)}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.split.reverse .media{order:-1}.media-card{border-radius:28px;padding:18px;background:linear-gradient(145deg,#fff,#EEF6FF);border:1px solid var(--border);box-shadow:var(--shadow)}.media-card img{width:100%;max-height:500px;object-fit:contain;border-radius:20px}.copy-card h2{font-size:clamp(30px,4vw,44px);margin:0 0 16px}.copy-card p{color:var(--muted);margin:0 0 16px}.feature-list{display:grid;gap:10px;margin:22px 0}.feature-list div{padding:13px 15px;border-left:4px solid var(--brand);border-radius:0 14px 14px 0;background:#fff;box-shadow:0 8px 18px rgba(25,43,91,.07)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.cards.two{grid-template-columns:repeat(2,1fr)}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.card{padding:24px}.card img,.zone-card img{width:100%;height:220px;object-fit:contain;border-radius:18px;background:#F1F5FF;margin-bottom:18px}.card h3,.zone-card h3{font-size:24px;margin:0 0 10px}.card p,.zone-card p{color:var(--muted);margin:0 0 14px}.text-link{font-weight:800;color:var(--brand)}.text-link:after{content:" →"}.zone-card{padding:20px}.zone-card .mini-list{display:grid;gap:8px;margin:14px 0}.mini-list span{font-size:14px;color:#58637D;padding:8px 10px;border-radius:12px;background:#F6F8FF}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.security-card{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;padding:22px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.security-card img{height:150px;width:150px;object-fit:contain}.security-card h3{margin:0 0 8px}.security-card p{margin:0;color:var(--muted)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card p{margin:0 0 16px;color:#4E5B78}.review-card strong{color:var(--brand)}.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 24px rgba(25,43,91,.07)}.faq-list summary{cursor:pointer;list-style:none;font-weight:800;color:var(--title);padding:18px 0}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"＋";float:right;color:var(--brand)}.faq-list details[open] summary:after{content:"－"}.faq-list p{margin:0 0 18px;color:var(--muted)}.notice{padding:28px;border-radius:26px;background:linear-gradient(135deg,#FFF4D6,#EEF8FF);border:1px solid rgba(255,200,87,.4);box-shadow:var(--shadow)}.notice h2{margin-top:0}.notice p{margin-bottom:0;color:#56617A}.inner-hero{padding:78px 0 58px;background:radial-gradient(circle at 80% 10%,rgba(0,212,255,.18),transparent 28%),linear-gradient(135deg,#F1F3FF,#F7ECFF)}.inner-grid{display:grid;grid-template-columns:1fr .72fr;gap:44px;align-items:center}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;color:#7C86A0;font-size:14px}.inner-hero h1{font-size:clamp(40px,6vw,64px);margin:14px 0}.inner-hero p{font-size:18px;color:#59647D}.inner-hero img{width:100%;max-height:430px;object-fit:contain;filter:drop-shadow(0 24px 30px rgba(55,66,134,.18))}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px}.article-card{padding:36px;background:#fff;border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow)}.article-card h2{font-size:30px;margin:34px 0 12px}.article-card h2:first-child{margin-top:0}.article-card h3{font-size:22px}.article-card p{color:#535F7A}.article-card ul{padding-left:20px;color:#535F7A}.sidebar{display:grid;align-content:start;gap:18px}.side-card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:0 12px 28px rgba(25,43,91,.09)}.side-card h2,.side-card h3{margin-top:0}.side-card a{display:block;padding:8px 0;border-bottom:1px solid #EDF0F8}.side-card a:last-child{border-bottom:0}.service-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{position:relative;padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:0 12px 28px rgba(25,43,91,.09)}.step b{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;background:var(--brand);color:#fff;margin-bottom:14px}.step h3{margin:0 0 8px}.step p{margin:0;color:var(--muted)}.cta-band{display:flex;justify-content:space-between;gap:28px;align-items:center;padding:34px;border-radius:28px;background:linear-gradient(135deg,#16213E,#5B4FCB);color:#fff;box-shadow:var(--shadow)}.cta-band h2{color:#fff;margin:0 0 6px}.cta-band p{margin:0;color:#DCE5FF}.site-footer{background:#0B1024;color:#EEF2FF;padding:62px 0 0}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}.footer-logo{margin-bottom:14px}.footer-brand p{color:#AEB9D5;max-width:430px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h2{font-size:16px;color:#fff;margin:0 0 8px}.footer-links a{color:#C7D0E8}.footer-bottom{margin-top:42px;padding:20px;border-top:1px solid rgba(255,255,255,.1);text-align:center;color:#9FAAC7;font-size:13px}.mobile-bottom-nav{display:none}
@media (max-width:1050px){.nav-core{display:none}.mobile-only{display:grid}.desktop-only{display:none}.hero-grid,.inner-grid{grid-template-columns:1fr}.hero-copy{max-width:760px}.hero-visual{max-width:680px;margin:auto}.highlight-grid{grid-template-columns:repeat(2,1fr)}.cards,.reviews{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.sidebar{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.container,.narrow{width:min(calc(100% - 28px),var(--max))}.section{padding:62px 0}.header-inner{width:calc(100% - 20px);min-height:64px;gap:8px}.site-logo span{display:none}.site-logo img{max-height:40px}.header-actions .main-btn{font-size:13px;padding:8px 13px;min-height:38px}.hero{padding:54px 0 58px}.hero h1{font-size:52px}.hero-grid{gap:34px}.floating-card{font-size:12px;padding:9px 12px}.highlight-strip{margin-top:-20px}.highlight-grid,.split,.cards,.cards.two,.security-grid,.reviews,.service-steps,.footer-inner,.sidebar{grid-template-columns:1fr}.split.reverse .media{order:0}.security-card{grid-template-columns:95px 1fr}.security-card img{width:95px;height:95px}.article-card{padding:24px}.cta-band{align-items:flex-start;flex-direction:column}.footer-inner{gap:28px}.site-footer{padding-bottom:76px}.mobile-bottom-nav{position:fixed;left:12px;right:12px;bottom:10px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);padding:7px;border-radius:18px;background:rgba(11,16,36,.95);box-shadow:0 15px 36px rgba(6,10,28,.32);backdrop-filter:blur(12px)}.mobile-bottom-nav a{text-align:center;color:#EEF2FF;padding:8px 4px;font-size:13px;border-radius:12px}.mobile-bottom-nav a:hover{background:rgba(91,108,255,.24)}body{padding-bottom:74px}.drawer-nav{grid-template-columns:1fr 1fr}.inner-hero{padding:54px 0 42px}.section-title{font-size:34px}.section-lead{font-size:16px}}
@media (max-width:430px){.header-actions{gap:6px}.menu-toggle{width:38px;height:38px}.highlight-grid{grid-template-columns:1fr}.hero-actions{display:grid}.hero-actions a{width:100%}.drawer-nav{grid-template-columns:1fr}.security-card{grid-template-columns:1fr}.security-card img{width:100%;height:160px}.pill-nav{justify-content:flex-start}.pill-nav a{width:100%;justify-content:space-between}}