:root{
  --bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;--deep:#16213E;
  --cyan:#00D4FF;--gold:#FFC857;--red:#D94F70;--lav:#7A5CFF;--text:#1F2740;--muted:#66708A;
  --soft:#9AA4BA;--card:#fff;--dark:#11182F;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);
  --gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 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:inherit}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(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:24px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{width:42px;height:42px;object-fit:contain}.site-logo strong{font-size:20px;letter-spacing:.06em}.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}.header-actions{display:flex;align-items:center;gap:12px}.main-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;text-decoration:none;font-weight:700;transition:.2s ease}.main-btn{background:var(--gradient);color:#fff;box-shadow:0 14px 32px rgba(91,108,255,.22)}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(91,108,255,.3)}.main-btn.compact{min-height:42px;padding:0 19px}.ghost-btn{border:1px solid var(--line);background:#fff;color:var(--brand)}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:13px;background:rgba(255,255,255,.08);padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#fff;margin:4px 0;border-radius:2px}.menu-toggle-mobile{display:none}.drawer-mask{position:fixed;inset:0;background:rgba(6,9,25,.58);backdrop-filter:blur(4px);z-index:10000;opacity:0;visibility:hidden;transition:.25s}.site-drawer{position:fixed;top:0;right:0;width:min(390px,92vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(102%);transition:.3s ease;box-shadow:-18px 0 50px rgba(10,17,44,.22);padding:22px;overflow-y:auto}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .site-drawer{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);color:var(--title);font-size:20px}.drawer-close{width:40px;height:40px;border:0;background:#EEF1FF;color:var(--title);border-radius:12px;font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:14px;background:#F7F8FF;text-decoration:none;color:var(--text)}.drawer-nav a:hover,.drawer-nav a.active{background:#ECEEFF;color:var(--brand)}.drawer-nav em{font-style:normal}.drawer-note{padding:16px;border-radius:16px;background:#FFF7E3;color:#7C6330;font-size:13px}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.section{padding:84px 0}.section-sm{padding:55px 0}.section-head{max-width:760px;margin:0 auto 36px;text-align:center}.section-kicker{display:inline-block;color:var(--brand);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase}.section-title,h1,h2,h3{color:var(--title);line-height:1.28}.section-title{font-size:clamp(30px,4vw,46px);margin:10px 0 14px}.section-desc{color:var(--muted);font-size:17px}.hero{padding:72px 0 48px;background:radial-gradient(circle at 18% 18%,rgba(122,92,255,.18),transparent 28%),radial-gradient(circle at 82% 25%,rgba(0,212,255,.18),transparent 30%),linear-gradient(135deg,#F6F2FF,#EDF9FF 55%,#FFF4FA)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}.hero h1{font-size:clamp(46px,7vw,78px);margin:0 0 12px;letter-spacing:-.03em}.hero-subtitle{font-size:clamp(22px,3vw,34px);font-weight:800;color:var(--lav);margin:0 0 18px}.hero-copy{font-size:17px;color:var(--muted);margin:0 0 26px}.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-points span,.pill{padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--deep);font-size:14px;box-shadow:0 8px 22px rgba(25,43,91,.08)}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:8% 3% -4% 16%;background:var(--gradient);filter:blur(55px);opacity:.24;border-radius:45%}.hero-visual img{position:relative;width:100%;max-height:590px;object-fit:contain;filter:drop-shadow(0 30px 35px rgba(25,43,91,.16))}.highlight-strip{margin-top:-8px}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 14px 34px rgba(25,43,91,.09)}.highlight-item h3{margin:0 0 8px;font-size:18px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.quick-channels{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.channel-pill{min-width:180px;flex:1 1 180px;max-width:250px;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);text-decoration:none}.channel-pill strong{display:block;color:var(--title)}.channel-pill small{display:block;color:var(--muted);line-height:1.55;margin-top:4px}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.split.reverse .media{order:2}.media-card,.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px}.media-card{padding:22px}.media-card img{width:100%;max-height:470px;object-fit:contain}.copy-card{padding:8px 12px}.copy-card h2{font-size:clamp(30px,4vw,44px);margin:8px 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-radius:14px;background:#F0F4FF}.feature-list strong{color:var(--brand)}.text-link{color:var(--brand);font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.two-col,.three-col,.review-grid,.faq-grid{display:grid;gap:22px}.two-col{grid-template-columns:repeat(2,1fr)}.three-col{grid-template-columns:repeat(3,1fr)}.zone-card,.info-card{padding:24px}.zone-card img,.info-card img{width:100%;height:250px;object-fit:contain;border-radius:18px;background:#F6F8FF;margin-bottom:20px}.zone-card h3,.info-card h3{font-size:25px;margin:0 0 10px}.zone-card p,.info-card p{color:var(--muted)}.mini-points{padding-left:19px;color:var(--muted)}.mini-points li{margin:7px 0}.dark-panel{background:linear-gradient(135deg,#11182F,#18254B);color:#EEF2FF;border-radius:34px;padding:42px}.dark-panel h2,.dark-panel h3{color:#fff}.dark-panel p{color:#C8D0E8}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.security-card{padding:22px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.security-card img{height:220px;width:100%;object-fit:contain;margin-bottom:15px}.review-grid{grid-template-columns:repeat(3,1fr)}.review-card{padding:24px}.review-card p{margin:0;color:var(--muted)}.review-card footer{margin-top:14px;color:var(--brand);font-weight:700}.faq-grid{grid-template-columns:1fr 1fr}.faq-item{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--line)}.faq-item h3{margin:0 0 10px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}.notice{padding:25px;border-radius:24px;background:linear-gradient(135deg,#FFF5D7,#FFF9ED);border:1px solid rgba(255,200,87,.5)}.notice h2{margin:0 0 10px}.notice p{margin:0;color:#665536}.inner-hero{padding:72px 0;background:radial-gradient(circle at 20% 10%,rgba(122,92,255,.17),transparent 30%),linear-gradient(135deg,#F8F5FF,#ECFAFF)}.inner-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center}.inner-hero h1{font-size:clamp(38px,6vw,62px);margin:7px 0 15px}.inner-hero p{font-size:17px;color:var(--muted)}.inner-hero img{width:100%;max-height:390px;object-fit:contain}.breadcrumb{font-size:13px;color:var(--brand);font-weight:700}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;align-items:start}.article-body{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.article-body h2{font-size:30px;margin:34px 0 12px}.article-body h2:first-child{margin-top:0}.article-body p{color:#4F5A73}.article-body .lead{font-size:18px;color:var(--text)}.service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:22px 0}.service-card{padding:18px;border-radius:18px;background:#F4F6FF}.service-card strong{display:block;color:var(--brand);margin-bottom:6px}.side-panel{position:sticky;top:96px;display:grid;gap:16px}.side-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:22px}.side-card h3{margin-top:0}.side-card a{display:block;padding:8px 0;color:var(--brand);text-decoration:none}.quote{padding:20px 22px;border-left:4px solid var(--brand);background:#F4F6FF;border-radius:0 16px 16px 0;color:#4F5A73}.inline-img{width:100%;max-height:460px;object-fit:contain;background:#F8F9FF;border-radius:22px;margin:22px 0}.cta-band{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:34px;border-radius:28px;background:linear-gradient(135deg,#EEF1FF,#E8FAFF)}.cta-band h2{margin:0 0 8px}.cta-band p{margin:0;color:var(--muted)}.site-footer{background:#0B1024;color:#EEF2FF;padding-top:54px}.footer-inner{width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.1fr 1.9fr;gap:48px}.footer-brand p{color:#AEB8D4;max-width:430px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.footer-links h3{color:#fff;font-size:16px}.footer-links a{display:block;color:#BEC7DF;text-decoration:none;padding:4px 0}.footer-links a:hover{color:#fff}.footer-logo{justify-content:flex-start}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding:18px 20px;text-align:center;color:#98A4C5;font-size:13px}.footer-bottom p{margin:0}.mobile-bottom-nav{display:none}.accordion details{background:#fff;border:1px solid var(--line);border-radius:18px;margin:12px 0;padding:0 18px}.accordion summary{cursor:pointer;font-weight:700;color:var(--title);padding:18px 4px}.accordion details p{padding:0 4px 18px;margin:0;color:var(--muted)}
@media(max-width:980px){.nav-core{display:none}.menu-toggle-desktop{display:flex;flex-direction:column;justify-content:center}.hero-grid,.inner-hero-grid,.split,.article-grid{grid-template-columns:1fr}.hero-copy{max-width:760px}.hero-visual img{max-height:460px}.split.reverse .media{order:0}.highlight-grid{grid-template-columns:repeat(2,1fr)}.three-col,.review-grid{grid-template-columns:repeat(2,1fr)}.side-panel{position:static;grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr}.service-cards{grid-template-columns:1fr 1fr}}
@media(max-width:680px){body{padding-bottom:70px}.site-header{position:sticky}.header-inner{min-height:64px;padding:0 12px;gap:8px}.site-logo img{width:36px;height:36px}.site-logo strong{font-size:17px}.menu-toggle-mobile{display:flex;flex-direction:column;justify-content:center;order:-1}.menu-toggle-desktop{display:none}.header-actions .main-btn{min-height:38px;padding:0 14px;font-size:13px}.hero{padding:48px 0 34px}.container{width:min(100% - 28px,1180px)}.section{padding:62px 0}.section-sm{padding:42px 0}.highlight-grid,.two-col,.three-col,.review-grid,.faq-grid,.security-grid,.side-panel,.service-cards{grid-template-columns:1fr}.drawer-nav{grid-template-columns:1fr}.hero h1{font-size:50px}.hero-subtitle{font-size:24px}.dark-panel{padding:26px 20px;border-radius:25px}.article-body{padding:23px 18px}.inner-hero{padding:48px 0}.cta-band{flex-direction:column;align-items:flex-start}.footer-links{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.96);z-index:9998;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 28px rgba(11,16,36,.18)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#EEF2FF;text-decoration:none;font-size:11px}.mobile-bottom-nav span{font-size:18px;line-height:1.2}.zone-card img,.info-card img{height:auto}.footer-bottom{padding-bottom:28px}}