:root{--bg:#F5F8FC;--ink:#263748;--muted:#657789;--line:rgba(59,130,246,.14);--blue:#3B82F6;--blue2:#2563EB;--cyan:#22D3C5;--ice:#38BDF8;--deep:#172B4D;--nav:#0A182A;--white:#fff;--shadow:0 20px 50px rgba(29,78,119,.10);--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.drawer-open{overflow:hidden}a{color:#2563EB;text-decoration:none}a:hover{text-decoration:none}img{display:block;max-width:100%;height:auto}button,a{outline-offset:3px}button:focus-visible,a:focus-visible{outline:3px solid rgba(56,189,248,.55)}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(10,24,42,.94);backdrop-filter:blur(16px);box-shadow:0 8px 28px rgba(10,35,60,.12);border-bottom:1px solid rgba(255,255,255,.08)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo img{max-height:44px;max-width:180px;object-fit:contain}.nav-core{display:flex;align-items:center;gap:12px}.nav-core a{color:#DCEAF7;border-radius:999px;padding:8px 12px;white-space:nowrap}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14)}.header-actions{display:flex;align-items:center;gap:10px}.main-btn,.btn-outline{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:999px;font-weight:700;transition:.2s ease}.main-btn{background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:#fff;box-shadow:0 14px 32px rgba(37,99,235,.20)}.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 38px rgba(37,99,235,.26)}.main-btn.compact{min-height:40px;padding:8px 17px;font-size:14px}.btn-outline{border:1px solid rgba(37,99,235,.28);background:#fff;color:#2563EB}.menu-toggle{width:42px;height:42px;border:0;border-radius:14px;background:rgba(255,255,255,.08);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:18px;height:2px;border-radius:9px;background:#EAF4FF}.mobile-menu-toggle{display:none}.site-main{min-height:60vh}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.section{padding:74px 0}.section.compact-section{padding:48px 0}.section-kicker{margin:0 0 8px;color:#0284C7;font-size:13px;letter-spacing:.14em;font-weight:800}.section-title,h1,h2,h3{color:#102033}.section-title{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:0 0 18px}.section-lead{font-size:17px;color:var(--muted);max-width:820px}.text-link{font-weight:700;color:#2563EB}.muted{color:var(--muted)}
.hero{position:relative;overflow:hidden;padding:72px 0 56px;background:radial-gradient(circle at 85% 10%,rgba(56,189,248,.22),transparent 32%),radial-gradient(circle at 15% 85%,rgba(34,211,197,.17),transparent 31%),linear-gradient(135deg,#F9FCFF 0%,#EEF7FF 50%,#F0FFFC 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.04) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent)}.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}.hero h1{font-size:clamp(48px,7vw,82px);line-height:1.02;margin:12px 0 18px;letter-spacing:-.03em}.hero-subtitle{font-size:clamp(22px,3vw,34px);line-height:1.35;color:#173B64;font-weight:750;margin:0 0 20px}.hero-copy{font-size:17px;color:#4F6478;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid var(--line);font-size:14px}.hero-visual{position:relative}.hero-visual>img{width:100%;border-radius:30px;box-shadow:0 28px 80px rgba(29,78,119,.18);object-fit:contain}.floating-card{position:absolute;max-width:220px;padding:14px 16px;background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.92);backdrop-filter:blur(16px);border-radius:18px;box-shadow:0 16px 40px rgba(20,70,110,.12);font-size:14px}.floating-card.one{left:-22px;bottom:28px}.floating-card.two{right:-12px;top:22px}.highlight-strip{margin-top:-1px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr)}.highlight-item{padding:24px 24px;border-right:1px solid var(--line)}.highlight-item:last-child{border-right:0}.highlight-item strong{display:block;color:#172B4D;margin-bottom:6px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.num{font-size:12px;font-weight:800;color:#0EA5B7;letter-spacing:.12em}.pill-nav{display:flex;flex-wrap:wrap;gap:12px}.pill{display:flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid rgba(59,130,246,.15);border-radius:999px;background:rgba(255,255,255,.76);box-shadow:0 8px 24px rgba(29,78,119,.05)}.pill span{font-size:13px;color:var(--muted)}
.editorial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.editorial-grid.reverse{grid-template-columns:.92fr 1.08fr}.editorial-grid.reverse .editorial-media{order:2}.editorial-media{position:relative}.content-img{width:100%;border-radius:26px;box-shadow:var(--shadow);object-fit:contain}.media-stack{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}.media-stack img{border-radius:22px;box-shadow:var(--shadow);object-fit:contain}.media-stack img:nth-child(2){margin-top:36px}.copy-card{padding:34px;border-radius:28px;background:rgba(255,255,255,.8);border:1px solid var(--line);box-shadow:var(--shadow)}.copy-card p{color:#52687A}.copy-card ul{padding-left:20px;color:#52687A}.soft-blue{background:linear-gradient(135deg,#EFF8FF,#F8FCFF)}.soft-cyan{background:linear-gradient(135deg,#EEFFFC,#F5FBFF)}.deep-panel{background:linear-gradient(135deg,#102844,#173A58);color:#EAF4FF}.deep-panel h2,.deep-panel h3,.deep-panel .section-title{color:#fff}.deep-panel p,.deep-panel li{color:#C9DDEF}.deep-panel a{color:#7DD3FC}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.dual-card{padding:30px;border-radius:28px;overflow:hidden;min-height:100%;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}.dual-card.alt{background:linear-gradient(145deg,#EFFFFB,#F8FCFF)}.dual-card img{width:100%;border-radius:22px;margin-bottom:22px;object-fit:contain}.dual-card h3{font-size:28px;margin:0 0 10px}.service-points{display:grid;gap:12px;margin-top:18px}.service-point{padding:12px 0;border-top:1px solid var(--line)}.service-point strong{color:#173B64}.service-point p{margin:3px 0 0;color:var(--muted);font-size:14px}.triple-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:20px}.feature-panel{padding:28px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.feature-panel:nth-child(2){background:#F2FBFF}.feature-panel:nth-child(3){background:#102B47;color:#EAF4FF}.feature-panel:nth-child(3) h3{color:#fff}.feature-panel:nth-child(3) p{color:#C9DDEF}.feature-panel img{border-radius:20px;margin-bottom:18px;object-fit:contain}.date-badge{display:inline-flex;min-width:60px;height:60px;border-radius:18px;background:#E6F4FF;align-items:center;justify-content:center;font-weight:900;color:#2563EB}.notice-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.safety-card{padding:26px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.safety-card img{border-radius:22px;margin-bottom:18px}.mini-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mini-list span{padding:10px 12px;border-radius:14px;background:#EEF7FF;font-size:14px}.review-track{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px;background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.review-card:nth-child(even){transform:translateY(14px)}.review-card p{margin:0;color:#4D6477}.review-card strong{display:block;margin-top:14px;color:#173B64;font-size:14px}.faq-list{display:grid;gap:12px}.faq-item details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 20px;box-shadow:0 10px 28px rgba(29,78,119,.05)}.faq-item summary{cursor:pointer;list-style:none;font-weight:750;color:#173B64;padding:18px 32px 18px 0;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:4px;top:13px;font-size:26px;color:#38BDF8}.faq-item details[open] summary:after{content:"−"}.faq-item .answer{padding:0 0 18px;color:#5C7082}.notice-box{padding:28px;border-radius:24px;background:linear-gradient(135deg,#EAF6FF,#EFFFFC);border:1px solid rgba(59,130,246,.16)}
.page-hero{padding:58px 0;background:radial-gradient(circle at 80% 20%,rgba(56,189,248,.20),transparent 28%),linear-gradient(145deg,#F9FCFF,#EEF7FF)}.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.08;margin:8px 0 16px}.page-hero p{font-size:17px;color:#566C7F}.page-hero img{border-radius:28px;box-shadow:var(--shadow);object-fit:contain}.breadcrumb{font-size:13px;color:#6E8293}.content-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article-flow{display:grid;gap:22px}.article-section{padding:30px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.article-section h2{margin-top:0;font-size:30px}.article-section p{margin:0 0 14px;color:#4C6275}.article-section p:last-child{margin-bottom:0}.side-panel{position:sticky;top:98px;display:grid;gap:16px}.side-card{padding:22px;border-radius:22px;background:#EEF7FF;border:1px solid var(--line)}.side-card h3{margin-top:0}.side-card ul{padding-left:18px;margin:0;color:#52687A}.steps{counter-reset:step;display:grid;gap:12px}.step{position:relative;padding:18px 18px 18px 62px;background:#F7FBFF;border-radius:18px;border:1px solid var(--line)}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:16px;font-weight:900;color:#0EA5B7}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:9px 13px;border-radius:999px;background:#E9F5FF;color:#24618C;border:1px solid rgba(59,130,246,.12)}.quote-panel{padding:28px;border-radius:24px;background:#102B47;color:#DDECF7}.quote-panel strong{color:#fff}.quote-panel p{color:#DDECF7}.layout-magazine .article-section:nth-child(odd){background:#F9FCFF}.layout-cyan .page-hero{background:radial-gradient(circle at 20% 10%,rgba(34,211,197,.18),transparent 30%),linear-gradient(145deg,#F9FFFE,#EEF9FF)}.layout-deep .page-hero{background:linear-gradient(135deg,#102B47,#17456A);color:#EAF4FF}.layout-deep .page-hero h1,.layout-deep .page-hero h2{color:#fff}.layout-deep .page-hero p,.layout-deep .breadcrumb{color:#D0E3F2}.layout-numbered .article-section{position:relative;padding-left:86px}.layout-numbered .article-section:before{content:attr(data-num);position:absolute;left:28px;top:24px;font-size:24px;font-weight:900;color:#38BDF8}.layout-timeline .article-section{border-left:4px solid #38BDF8}.layout-guide .article-section{background:linear-gradient(145deg,#fff,#F6FBFF)}
.site-drawer{position:fixed;z-index:10002;right:0;top:0;width:min(390px,92vw);height:100dvh;background:#0D2033;color:#EAF4FF;transform:translateX(105%);transition:transform .25s ease;box-shadow:-24px 0 60px rgba(5,20,35,.28);padding:22px;overflow:auto}.site-drawer.open{transform:translateX(0)}.drawer-overlay{position:fixed;z-index:10001;inset:0;background:rgba(4,13,22,.48);backdrop-filter:blur(3px)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.drawer-head strong{font-size:22px}.drawer-close{border:0;background:rgba(255,255,255,.08);color:#fff;width:40px;height:40px;border-radius:12px;font-size:26px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-nav a{padding:12px 13px;border-radius:14px;background:rgba(255,255,255,.05);color:#DDECF7}.drawer-nav a:hover{background:rgba(56,189,248,.12);color:#fff}.drawer-note{margin-top:18px;padding:16px;border-radius:16px;background:rgba(56,189,248,.08);font-size:13px;color:#BCD4E5}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:58px 0 96px}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:36px}.footer-brand p{color:#BFD3E2;max-width:430px}.footer-logo img{max-height:48px;max-width:190px;margin-bottom:16px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h3{color:#fff;margin:0 0 8px;font-size:16px}.footer-links a{color:#CFE4F3;font-size:14px}.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:30px;color:#9DB7C9;font-size:13px}.footer-bottom p{margin:0}.mobile-bottom-nav{display:none}
@media(max-width:1050px){.nav-core{display:none}.mobile-menu-toggle{display:inline-flex}.desktop-menu-toggle{display:none}.hero-grid,.page-hero-grid,.editorial-grid,.editorial-grid.reverse{grid-template-columns:1fr}.editorial-grid.reverse .editorial-media{order:0}.content-shell{grid-template-columns:1fr}.side-panel{position:static;grid-template-columns:1fr 1fr}.triple-grid{grid-template-columns:1fr 1fr}.triple-grid .feature-panel:last-child{grid-column:1/-1}.review-track{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1.4fr 1fr 1fr}.footer-links:last-child{grid-column:2/4}.floating-card.one{left:10px}.floating-card.two{right:10px}}
@media(max-width:760px){.header-inner{padding:0 14px;min-height:64px}.site-logo img{max-height:38px;max-width:132px}.header-actions .main-btn{font-size:13px;padding:8px 13px}.section{padding:54px 0}.container{width:min(var(--max),calc(100% - 28px))}.hero{padding:52px 0 38px}.hero-grid{gap:30px}.hero h1{font-size:48px}.hero-subtitle{font-size:24px}.hero-copy{font-size:15px}.floating-card{position:static;max-width:none;margin-top:10px}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2){border-right:0}.highlight-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.media-stack,.dual-grid,.safety-grid,.review-track,.mini-list{grid-template-columns:1fr}.media-stack img:nth-child(2){margin-top:0}.triple-grid{grid-template-columns:1fr}.triple-grid .feature-panel:last-child{grid-column:auto}.review-card:nth-child(even){transform:none}.page-hero{padding:42px 0}.page-hero h1{font-size:40px}.article-section{padding:23px}.layout-numbered .article-section{padding-left:23px}.layout-numbered .article-section:before{position:static;display:block;margin-bottom:8px}.side-panel{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr;gap:28px;width:calc(100% - 28px)}.footer-brand{grid-column:1/-1}.footer-links:last-child{grid-column:auto}.footer-bottom{width:calc(100% - 28px);flex-direction:column;padding-bottom:20px}.mobile-bottom-nav{position:fixed;z-index:9998;left:12px;right:12px;bottom:10px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,27,42,.94);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.09);border-radius:18px;box-shadow:0 12px 36px rgba(4,18,32,.25);padding:8px}.mobile-bottom-nav a{text-align:center;color:#DDF0FC;font-size:13px;padding:8px 4px;border-radius:12px}.mobile-bottom-nav a:hover{background:rgba(56,189,248,.12)}.site-footer{padding-bottom:120px}.drawer-nav{grid-template-columns:1fr}}
@media(max-width:480px){.highlight-grid{grid-template-columns:1fr}.highlight-item{border-right:0!important;border-bottom:1px solid var(--line)}.highlight-item:last-child{border-bottom:0}.footer-inner{grid-template-columns:1fr}.footer-links:last-child{grid-column:auto}.hero h1{font-size:42px}.main-btn,.btn-outline{width:100%}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .main-btn,.hero-actions .btn-outline{width:auto}.pill{width:100%;justify-content:space-between}}