:root{--blue:#22AEEA;--deep:#147FB8;--ink:#1F2D3A;--muted:#5C6F82;--soft:#8BA1B5;--bg:#F3FBFF;--line:rgba(34,174,234,.16);--shadow:0 14px 36px rgba(34,174,234,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.10)}.desktop-header{height:76px;display:flex;align-items:center;gap:24px;white-space:nowrap}.brand-logo{flex:0 0 auto}.brand-logo img{width:142px;height:46px;object-fit:contain}.nav-core{display:flex;gap:8px;margin:auto}.nav-core a{padding:10px 16px;color:var(--deep);background:rgba(34,174,234,.08);border-radius:999px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:var(--blue);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12))}.header-actions{display:flex;align-items:center;gap:10px}.overview-btn,.menu-btn,.close-btn{border:0;background:none;cursor:pointer}.overview-btn{padding:10px 14px;border:1px solid var(--line);border-radius:999px;color:var(--deep);background:#fff}.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 24px;border-radius:999px;background:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(34,174,234,.25);transition:.25s}.main-btn:hover{transform:translateY(-2px)}.mobile-header{display:none;height:66px;align-items:center;justify-content:space-between}.menu-btn{width:42px;height:42px;display:grid;place-content:center;gap:5px}.menu-btn span{width:22px;height:2px;background:var(--deep);border-radius:2px}.main-btn.compact{padding:8px 15px;font-size:14px}.screen-mask{position:fixed;inset:0;background:rgba(11,61,92,.28);opacity:0;visibility:hidden;z-index:9998;transition:.25s}.screen-mask.show{opacity:1;visibility:visible}.category-panel,.mobile-drawer{position:fixed;top:0;bottom:0;background:#fff;z-index:10000;transition:transform .3s ease;overflow:auto}.category-panel{right:0;width:min(520px,92vw);transform:translateX(105%);box-shadow:-18px 0 48px rgba(34,174,234,.16);padding:24px}.category-panel.open{transform:none}.mobile-drawer{left:0;width:84%;max-width:320px;transform:translateX(-105%);background:linear-gradient(180deg,#fff,#F3FBFF)}.mobile-drawer.open{transform:none}.panel-head,.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}.panel-head strong{font-size:22px;color:var(--blue)}.close-btn{font-size:30px;color:var(--deep)}.drawer-head{padding:16px}.drawer-head img{width:130px;height:42px;object-fit:contain}.panel-groups{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}.panel-groups h3{margin:0 0 10px;color:var(--blue)}.panel-groups a{display:block;padding:10px 0;color:var(--ink);border-bottom:1px dashed var(--line)}.panel-groups a:hover{color:var(--blue)}.panel-groups small{display:block;color:var(--soft)}.mobile-drawer nav{padding:12px}.mobile-drawer nav a{display:block;padding:12px 14px;border-radius:12px;color:var(--ink)}.mobile-drawer nav a.active,.mobile-drawer nav a:hover{background:#EAF8FF;color:var(--blue)}body.menu-open{overflow:hidden}.hero-section{padding:64px 0 30px;background:radial-gradient(circle at 12% 20%,rgba(109,230,255,.24) 0%,rgba(109,230,255,0) 30%),radial-gradient(circle at 86% 18%,rgba(34,174,234,.18) 0%,rgba(34,174,234,0) 30%),linear-gradient(135deg,#fff 0%,#F3FBFF 52%,#EAF8FF 100%)}.hero-grid{display:grid;grid-template-columns:1.1fr 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span{color:var(--muted);font-size:14px}.section{padding:56px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-head p{max-width:640px;color:var(--muted);margin:0}.section-title{font-size:32px;margin:0}.quick-capsules{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px}.capsule{min-width:210px;padding:16px;border-radius:18px;background:rgba(255,255,255,.88);border:1px solid var(--line)}.capsule b{display:block;color:var(--deep)}.capsule small{color:var(--muted)}.summary-strip{padding:22px 26px;border-radius:20px;background:linear-gradient(135deg,#EAF8FF,#fff);border:1px solid var(--line);color:var(--muted)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.info-card,.review-card,.card,.zone-card{padding:22px}.info-card .num{font-size:13px}.info-card h3,.card h3,.zone-card h3{margin:6px 0 10px}.info-card p,.card p,.zone-card p,.review-card p{margin:0;color:var(--muted)}.media-card img,.zone-card img,.content-img{width:100%;height:200px;object-fit:contain;margin-bottom:18px}.split-card{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.split-card img{width:100%;height:260px;object-fit:contain}.text-link{color:var(--blue);font-weight:700}.bullet-list{padding-left:18px;color:var(--muted)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item strong{color:var(--deep)}.notice{padding:20px;border-radius:18px;background:#0B3D5C;color:#EAF8FF}.inner-hero{padding:58px 0 28px;background:linear-gradient(135deg,#fff,#EAF8FF)}.inner-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:34px}.inner-hero h1{font-size:44px;margin:8px 0 14px}.inner-hero p{color:var(--muted)}.inner-hero img{width:100%;height:280px;object-fit:contain;background:#fff;border-radius:24px;border:1px solid var(--line);padding:18px;box-shadow:var(--shadow)}.content-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}.article-card,.side-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.article-card h2{margin-top:0}.article-card h3{margin-top:26px}.article-card p{color:var(--muted)}.side-card{align-self:start;position:sticky;top:100px}.side-card a{display:block;padding:11px 0;color:var(--deep);border-bottom:1px dashed var(--line)}.site-footer{background:#0B3D5C;color:#EAF8FF;padding:48px 0 0;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px}.footer-brand img{width:145px;height:48px;object-fit:contain;filter:none}.site-footer h3{color:#fff}.site-footer a{display:block;color:#EAF8FF;margin:7px 0}.site-footer p{color:#CDEEFF}.footer-note{text-align:center;padding:18px;margin-top:32px;border-top:1px solid rgba(255,255,255,.14);font-size:14px}.mobile-bottom{display:none}.actions-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:22px}
@media(max-width:980px){.desktop-header{display:none}.mobile-header{display:flex}.hero-grid,.inner-hero-grid,.content-grid{grid-template-columns:1fr}.hero-metrics,.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.reviews{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.side-card{position:static}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9000;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;padding:12px 4px;color:var(--deep);font-size:14px}.mobile-bottom a:hover{color:var(--blue)}body{padding-bottom:56px}}
@media(max-width:680px){.shell{width:min(100% - 22px,1180px)}.hero-section{padding-top:36px}.hero-grid{gap:24px}.hero-copy h1{font-size:38px}.hero-visual img{height:230px}.hero-metrics,.grid-4,.grid-3,.grid-2,.reviews,.split-card,.footer-grid{grid-template-columns:1fr}.section{padding:42px 0}.section-title{font-size:28px}.inner-hero h1{font-size:34px}.inner-hero img{height:220px}.panel-groups{grid-template-columns:1fr}.category-panel{padding:18px}.media-card img,.zone-card img,.content-img{height:170px}}