*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#34495e;font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}.menu-open{overflow:hidden}.skip-link{position:absolute;left:-9999px;top:8px}.skip-link:focus{left:12px;z-index:11000;background:#fff;color:#2875c7;padding:8px 12px;border:1px solid #3f8fe5;border-radius:8px}a{color:#2f83d8}img{max-width:100%}.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:inline-flex;align-items:center;flex-shrink:0}.site-logo img{display:block;max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:6px;white-space:nowrap}.nav-core a{color:#34495e;text-decoration:none;padding:8px 10px;border-radius:8px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:#2875c7;background:#eaf4ff}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;color:#fff;background:#3f8fe5;border-radius:8px;text-decoration:none;box-shadow:0 10px 24px rgba(63,143,229,.22);position:relative;z-index:2;pointer-events:auto;touch-action:manipulation;border:1px solid transparent;font-weight:700}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.main-btn:focus-visible,.text-btn:focus-visible,.menu-btn:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(63,143,229,.32);outline-offset:3px}.menu-btn{width:44px;height:44px;border:1px solid #d8e4f0;border-radius:8px;background:#fff;display:grid;place-content:center;gap:4px;cursor:pointer}.menu-btn span{width:20px;height:2px;background:#2875c7;display:block}.drawer-mask{position:fixed;inset:0;background:rgba(31,45,61,.32);z-index:10000;opacity:0;transition:opacity .22s}.drawer-mask.show{opacity:1}.drawer{position:fixed;z-index:10001;right:0;top:0;width:min(88vw,380px);height:100dvh;background:#fff;transform:translateX(102%);transition:transform .24s ease;box-shadow:-18px 0 45px rgba(43,97,153,.16);padding:20px;overflow:auto}.drawer.open{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5edf5;padding-bottom:14px}.drawer-close{width:44px;height:44px;border:1px solid #d8e4f0;background:#fff;border-radius:8px;font-size:28px;line-height:1;cursor:pointer;color:#2875c7}.drawer-nav{display:grid;padding:14px 0}.drawer-nav a{padding:11px 8px;border-bottom:1px solid #eef3f9;color:#34495e;text-decoration:none}.drawer-nav a:hover{color:#2875c7;background:#f4f7fb}.drawer-download{width:100%;margin-top:10px}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.hero{position:relative;padding:80px 0 64px;overflow:hidden;background:linear-gradient(180deg,#fff 0,#f9fbfe 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:#eaf4ff;z-index:0}.hero:before{width:340px;height:340px;right:-120px;top:-120px}.hero:after{width:180px;height:180px;left:-70px;bottom:-70px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}.eyebrow{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;background:#eaf4ff;color:#2875c7;border:1px solid #cfe5fb;border-radius:999px;font-weight:700;font-size:14px}.hero h1,.page-hero h1{font-size:clamp(36px,5vw,58px);line-height:1.14;margin:18px 0;color:#1f2d3d;letter-spacing:-1px}.hero-subtitle{font-size:22px;color:#2875c7;font-weight:700;margin:0 0 18px}.hero-copy{font-size:17px;color:#5e7082;max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 18px}.text-btn{display:inline-flex;min-height:44px;align-items:center;padding:0 18px;border:1px solid #c9dcef;border-radius:8px;text-decoration:none;color:#2875c7;background:#fff;font-weight:700}.hero-links{display:flex;flex-wrap:wrap;gap:16px;font-size:14px}.hero-visual{display:flex;justify-content:center}.hero-visual img,.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.hero-visual img{max-height:560px;filter:drop-shadow(0 22px 34px rgba(43,97,153,.14))}.trust-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}.trust-item{padding:18px;background:#fff;border:1px solid #d8e4f0;border-radius:10px}.trust-item strong{display:block;color:#1f2d3d;margin-bottom:4px}.section{padding:76px 0}.section-light{background:#f4f7fb}.section-title{color:#1f2d3d;font-size:34px;line-height:1.25;margin:0 0 12px}.section-lead{max-width:760px;color:#6f7f90;margin:0 0 34px}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.info-card,.review-card,.faq-card,.category-card,.article-card,.notice-card{background:#fff;border:1px solid #d8e4f0;border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:24px}.info-card h3,.category-card h3,.article-card h2,.article-card h3,.notice-card h3{color:#1f2d3d;margin-top:0}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:26px;transition:.2s}.category-card:last-child{grid-column:1/-1}.category-card:hover{border-color:#3f8fe5;transform:translateY(-3px)}.category-card p{color:#6f7f90}.category-card a{font-weight:700;text-decoration:none}.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.split.reverse .feature-image{order:2}.feature-image{display:flex;align-items:center;justify-content:center;min-height:340px}.feature-image img{max-height:360px}.prose p{margin:0 0 16px}.bullet-list{padding-left:20px}.bullet-list li{margin:8px 0}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.article-card{padding:30px}.article-card img{max-height:230px;margin:0 auto 24px}.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.notice-card{padding:24px}.notice-meta{font-size:13px;color:#8c99a8}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:24px}.review-card strong{color:#2875c7}.faq-list{display:grid;gap:14px}.faq-card{padding:20px 24px}.faq-card h3{margin:0 0 8px;color:#1f2d3d;font-size:18px}.risk-box{padding:28px;background:#eef3f9;border:1px solid #cddceb;border-left:4px solid #3f8fe5;border-radius:8px}.page-hero{padding:62px 0 48px;background:#f4f7fb;border-bottom:1px solid #e5edf5}.page-hero h1{font-size:44px;margin-bottom:12px}.page-hero p{font-size:18px;color:#6f7f90;max-width:820px}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start}.content-main{min-width:0}.toc{position:sticky;top:94px;padding:20px;border:1px solid #d8e4f0;border-radius:8px;background:#fff}.toc h2{font-size:16px;margin:0 0 10px;color:#1f2d3d}.toc a{display:block;padding:7px 0;text-decoration:none;font-size:14px}.content-section{scroll-margin-top:100px;padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid #e5edf5}.content-section:last-child{border-bottom:0}.content-section h2{font-size:28px;color:#1f2d3d;margin:0 0 14px}.content-section h3{color:#2875c7}.steps{counter-reset:step;display:grid;gap:16px}.step{position:relative;padding:20px 22px 20px 68px;border:1px solid #d8e4f0;border-radius:8px;background:#fff}.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#eaf4ff;color:#2875c7;font-weight:700}.qa{border:1px solid #d8e4f0;border-radius:8px;background:#fff;padding:24px;margin-bottom:18px}.qa h2{font-size:20px;margin-top:0}.tag{display:inline-flex;padding:3px 9px;border-radius:999px;background:#eaf4ff;color:#2875c7;font-size:12px;font-weight:700}.site-footer{background:#438ddf;color:#fff;padding:54px 0 24px}.footer-inner{width:min(1160px,calc(100% - 40px));margin:0 auto}.footer-brand{display:grid;grid-template-columns:230px 1fr;gap:30px;align-items:start;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.22)}.footer-logo{background:#fff;padding:8px 12px;border-radius:8px;width:max-content}.footer-brand p{margin:0;color:rgba(255,255,255,.9)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:34px 0}.footer-links h2{font-size:16px;color:#fff}.footer-links a{display:block;color:#fff;text-decoration:none;padding:5px 0;opacity:.9}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk{padding:18px 20px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:rgba(255,255,255,.08)}.footer-bottom{padding-top:24px;text-align:center;color:rgba(255,255,255,.78);font-size:14px}.center{text-align:center}.mt-24{margin-top:24px}.mb-0{margin-bottom:0}.list-clean{list-style:none;padding:0;margin:0}.notice-list{display:grid;gap:16px}.notice-row{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid #e5edf5}.notice-row:last-child{border-bottom:0}.notice-row strong{color:#2875c7}.contact-box{padding:28px;border:1px solid #d8e4f0;border-radius:8px;background:#fff}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.service-item{padding:24px;border:1px solid #d8e4f0;border-radius:8px;background:#fff}.service-item h3{margin-top:0;color:#1f2d3d}@media(max-width:1040px){.nav-core{display:none}.hero-grid{gap:34px}.info-grid{grid-template-columns:repeat(2,1fr)}.content-wrap{grid-template-columns:1fr}.toc{position:static;display:none}}@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:10px}.site-logo img{max-height:36px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.hero{padding:48px 0}.hero-grid,.split,.dual-grid{grid-template-columns:1fr}.split.reverse .feature-image{order:0}.hero h1,.page-hero h1{font-size:36px}.hero-subtitle{font-size:19px}.hero-visual img{max-height:430px}.trust-list,.info-grid,.category-grid,.review-grid,.notice-grid,.service-grid{grid-template-columns:1fr}.category-card:last-child{grid-column:auto}.section{padding:56px 0}.section-title{font-size:29px}.feature-image{min-height:auto;padding:12px 0}.container,.footer-inner{width:min(100% - 32px,1160px)}.footer-brand{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.content-section h2{font-size:25px}.notice-row{grid-template-columns:1fr;gap:4px}.hero-actions .main-btn,.hero-actions .text-btn{flex:1 1 180px}}@media(max-width:470px){.header-download{padding:0 11px;font-size:13px}.header-actions{gap:7px}.menu-btn{width:44px;height:44px}.site-logo img{max-width:116px}.hero h1,.page-hero h1{font-size:32px}.hero-links{display:grid;gap:8px}.footer-links{grid-template-columns:1fr}}