:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--title:#131A35;--brand:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--purple:#7A5CFF;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px}
*{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.drawer-open{overflow:hidden}a{color:var(--brand);text-decoration:none}a:hover{opacity:.9}img{display:block;max-width:100%;height:auto}button,a{ -webkit-tap-highlight-color:transparent}.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{max-width:1280px;margin:0 auto;min-height:72px;padding:0 22px;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;max-height:44px;object-fit:contain;border-radius:12px}.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{color:#EEF2FF;border-radius:999px;padding:8px 12px;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!important;border-radius:999px;box-shadow:0 14px 32px rgba(91,108,255,.22);padding:11px 20px;font-weight:700;border:0}.menu-btn,.drawer-close{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#fff;border-radius:14px;min-width:42px;height:42px;font-size:20px;cursor:pointer}.mobile-menu-btn{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(4,8,22,.54);z-index:10000;opacity:0;pointer-events:none;transition:.25s}.drawer-overlay.show{opacity:1;pointer-events:auto}.site-drawer{position:fixed;top:0;right:0;width:min(390px,90vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(105%);transition:.28s ease;box-shadow:-20px 0 50px rgba(14,24,62,.25);padding:22px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;color:var(--title);font-size:21px}.drawer-close{color:var(--deep);background:#EFF2FF;border-color:var(--line)}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.drawer-nav a{padding:12px 14px;border-radius:14px;background:#F6F8FF;color:var(--ink);border:1px solid var(--line)}.drawer-foot{padding-top:8px}.mobile-bottom-nav{display:none}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.section{padding:76px 0}.section-sm{padding:44px 0}.section-kicker{display:inline-block;color:#8C6200;background:#FFF4D6;border-radius:999px;padding:6px 11px;font-weight:800;font-size:13px;letter-spacing:.06em}.section-title{color:var(--title);font-size:clamp(28px,4vw,44px);line-height:1.18;margin:14px 0}.section-lead{color:var(--muted);max-width:820px;margin:0}.hero{position:relative;overflow:hidden;padding:72px 0 58px;background:radial-gradient(circle at 85% 15%,rgba(0,212,255,.18),transparent 28%),radial-gradient(circle at 15% 28%,rgba(122,92,255,.18),transparent 32%),linear-gradient(145deg,#F7F1FF 0%,#EBF8FF 55%,#FFF5FB 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.hero h1{font-size:clamp(48px,7vw,84px);line-height:1;margin:0 0 16px;color:var(--title);letter-spacing:-.04em}.hero-sub{font-size:clamp(22px,3vw,34px);color:#39436a;font-weight:800;margin-bottom:20px}.hero-copy{color:#59637c;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.soft-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:999px;background:#fff;color:var(--brand);border:1px solid var(--line);font-weight:700}.hero-points{display:flex;flex-wrap:wrap;gap:10px}.hero-points span{background:rgba(255,255,255,.76);border:1px solid rgba(91,108,255,.15);padding:8px 12px;border-radius:999px;color:#4b5677;font-size:14px}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:10% -8% -5% 18%;background:linear-gradient(135deg,rgba(91,108,255,.18),rgba(0,212,255,.14));filter:blur(1px);border-radius:40px;transform:rotate(4deg)}.hero-visual img{position:relative;width:100%;max-height:520px;object-fit:contain;filter:drop-shadow(0 28px 34px rgba(27,42,94,.2))}
.highlight-strip{margin-top:-10px;position:relative;z-index:2}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item,.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.highlight-item{padding:22px}.highlight-item h3{margin:0 0 8px;color:var(--title);font-size:18px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.capsules{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.capsule{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 14px;color:var(--ink);box-shadow:0 8px 18px rgba(25,43,91,.07)}.capsule span{font-size:13px;color:var(--muted)}.media-split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.content-img{width:100%;max-height:480px;object-fit:contain;border-radius:24px;background:#fff}.copy-card{padding:32px}.copy-card p{color:var(--muted)}.feature-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.feature-list li{padding-left:26px;position:relative;color:#4b5571}.feature-list li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.zone-card,.info-card{padding:26px}.zone-card img,.info-card img{max-height:240px;width:100%;object-fit:contain;margin-bottom:18px;border-radius:18px}.zone-card h3,.info-card h3{color:var(--title);font-size:24px;margin:0 0 10px}.zone-card p,.info-card p{color:var(--muted);margin:0 0 12px}.text-link{font-weight:800}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.security-card{padding:28px;border-radius:24px;background:linear-gradient(145deg,#fff,#F1F6FF);border:1px solid var(--line);box-shadow:var(--shadow)}.security-card img{height:240px;width:100%;object-fit:contain}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card p{margin:0;color:#4f5a76}.review-card strong{display:block;margin-top:14px;color:var(--brand)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}.faq-item h3{margin:0 0 8px;color:var(--title);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.notice{padding:24px;border-radius:22px;background:linear-gradient(135deg,#16213E,#232E56);color:#EFF3FF}.notice h2{margin-top:0;color:#fff}.notice p{color:#DDE4FF;margin-bottom:0}.page-hero{padding:62px 0 42px;background:linear-gradient(145deg,#F0EFFF 0%,#EBF8FF 55%,#FFF7FA 100%)}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.1;color:var(--title);margin:10px 0 14px}.page-hero p{color:var(--muted);font-size:17px}.page-hero img{width:100%;max-height:360px;object-fit:contain}.article-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.article-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.article-card h2{color:var(--title);margin-top:0}.article-card h3{color:var(--title)}.article-card p{color:#56617d}.step-list{counter-reset:step;display:grid;gap:14px;padding:0;list-style:none}.step-list li{counter-increment:step;padding:18px 18px 18px 60px;background:#F8FAFF;border:1px solid var(--line);border-radius:16px;position:relative}.step-list li:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-card{padding:18px;border-radius:16px;background:#F8FAFF;border:1px solid var(--line)}.mini-card h3{margin:0 0 7px;color:var(--title);font-size:17px}.mini-card p{margin:0;color:var(--muted);font-size:14px}footer{background:#0B1024;color:#EEF2FF;padding:56px 0 20px}.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1fr 2fr;gap:48px}.footer-brand p{color:#AEB8D7;max-width:340px}.footer-logo{margin-bottom:14px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-links h3{font-size:15px;margin:0 0 12px;color:#fff}.footer-links a{display:block;color:#AFC2FF;margin:7px 0}.footer-note{width:min(1200px,calc(100% - 40px));margin:36px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8F9ABC}
@media(max-width:980px){.nav-core{display:none}.desktop-menu-btn{display:none}.mobile-menu-btn{display:inline-grid;place-items:center}.header-inner{padding:0 14px}.site-logo span{display:none}.header-actions{margin-left:auto}.hero-grid,.page-hero-grid,.media-split,.article-grid{grid-template-columns:1fr}.hero{padding-top:54px}.hero-visual{order:-1}.hero-visual img{max-height:390px}.highlight-grid{grid-template-columns:1fr 1fr}.three-col,.review-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.header-cta{padding:9px 14px}.mobile-bottom-nav{position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.94);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 16px 34px rgba(8,15,41,.28);overflow:hidden}.mobile-bottom-nav a{color:#EEF2FF;text-align:center;padding:12px 4px;font-size:13px}body{padding-bottom:80px}}
@media(max-width:680px){.container{width:min(100% - 28px,1200px)}.section{padding:56px 0}.highlight-grid,.two-col,.three-col,.security-grid,.review-grid,.mini-grid{grid-template-columns:1fr}.hero h1{font-size:52px}.hero-sub{font-size:24px}.copy-card,.article-card,.zone-card,.info-card{padding:22px}.drawer-nav{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-inner,.footer-note{width:min(100% - 28px,1200px)}.header-actions .main-btn{font-size:13px;padding:9px 12px}.site-logo img{width:36px}.page-hero{padding-top:44px}}
@media(max-width:980px){.header-inner{position:relative}.header-inner>.site-logo{position:absolute;left:50%;transform:translateX(-50%);z-index:1}.mobile-menu-btn,.header-actions{position:relative;z-index:2}}