:root{--blue:#3f8fe5;--blue-dark:#2875c7;--blue-soft:#eaf4ff;--text:#34495e;--heading:#1f2d3d;--muted:#6f7f90;--line:#d8e4f0;--light:#f4f7fb;--light2:#eef3f9;--shadow:0 12px 32px rgba(43,97,153,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}a{color:#2f83d8}img{max-width:100%}main{min-height:60vh}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #e5edf5;box-shadow:0 6px 20px rgba(43,97,153,.08)}.header-inner{max-width:1240px;min-height:70px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img{display:block;max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:8px;white-space:nowrap}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px}.nav-core a:hover,.nav-core 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#bcd6ef}.secondary-btn:hover{background:var(--blue-soft)}.menu-btn,.drawer-close{border:0;background:#fff;color:var(--heading);cursor:pointer;min-width:44px;min-height:44px;border-radius:8px}.menu-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}.menu-btn span{display:block;width:21px;height:2px;background:#2c4054}.drawer-mask{position:fixed;inset:0;background:rgba(21,40,60,.38);opacity:0;transition:.2s;z-index:10000}.drawer-mask.show{opacity:1}.site-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:10001;transform:translateX(102%);transition:.24s ease;box-shadow:-18px 0 42px rgba(27,63,99,.16);padding:18px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #e5edf5}.drawer-close{font-size:30px;line-height:1}.drawer-nav{display:grid;grid-template-columns:1fr 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18px;color:var(--heading)}.hero-subtitle{font-size:21px;color:#2c5c88;margin:0 0 16px}.hero p{font-size:17px;color:#5c6f82}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 18px}.hero-links{display:flex;flex-wrap:wrap;gap:18px;font-size:14px}.hero-links a{text-decoration:none}.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}.hero-points span{padding:9px 12px;background:#fff;border:1px solid #dce9f5;border-radius:8px;color:#456174}.hero-visual img{display:block;width:100%;height:auto;object-fit:contain;max-height:560px;margin:auto}.section{padding:76px 0}.section-light{background:var(--light)}.section-head{max-width:760px;margin-bottom:34px}.section-title{font-size:clamp(28px,4vw,40px);line-height:1.2;color:var(--heading);margin:0 0 12px}.section-intro{color:var(--muted);margin:0}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.category-card,.review-card,.faq-card,.content-card{background:#fff;border:1px 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p{color:#5e7184}.check-list{padding-left:20px}.check-list li{margin:8px 0}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}.content-card{padding:28px}.notice-list{display:grid;gap:14px}.notice-item{background:#fff;border:1px solid var(--line);padding:20px 22px;border-radius:8px}.notice-item strong{display:block;color:var(--heading);margin-bottom:5px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card p{margin:0}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-card{padding:20px}.faq-card h3{font-size:18px;color:var(--heading);margin:0 0 8px}.risk-box{padding:28px;border:1px solid #b8d5f0;background:#eef7ff;border-radius:10px}.risk-box h2,.risk-box h3{margin-top:0;color:var(--heading)}.page-hero{padding:66px 0 48px;background:linear-gradient(180deg,#f4f9ff 0%,#fff 100%)}.page-hero p{max-width:820px;color:#5f7387;font-size:17px}.breadcrumb{font-size:14px;margin-bottom:16px;color:#6d7e8f}.breadcrumb 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@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:36px}.header-actions{gap:6px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.hero{padding:46px 0 38px}.container{width:min(100% - 32px,1160px)}.hero-grid,.split,.two-cards{grid-template-columns:1fr}.hero-visual{order:2}.hero h1,.page-hero h1{font-size:36px}.hero-subtitle{font-size:18px}.hero-points{grid-template-columns:1fr}.section{padding:54px 0}.info-grid,.category-grid,.review-grid,.faq-grid,.service-grid{grid-template-columns:1fr}.category-card.full{grid-column:auto}.category-card p{min-height:auto}.split.reverse .feature-image,.split.reverse .feature-copy{order:initial}.section-title,.feature-copy h2{font-size:30px}.page-hero{padding:44px 0 34px}.article{padding:40px 0 58px}.prose h2{font-size:26px}.drawer-nav{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-inner>div:last-child{grid-column:auto}.footer-risk{width:calc(100% - 32px)} }
@media(max-width:420px){.site-logo img{max-width:108px}.header-download{padding:0 11px;font-size:13px}.menu-btn{min-width:44px}.hero h1{font-size:32px}.hero-actions .main-btn,.hero-actions .secondary-btn{width:100%}}