*{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}a{color:#2f83d8}img{max-width:100%;height: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:12px;white-space:nowrap}.nav-core a{color:#34495e;text-decoration:none;padding:8px 10px;border-radius:8px}.nav-core a:hover,.nav-core a.active{color:#2875c7;background:#eaf4ff}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.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:0;transition:.2s}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.main-btn:focus-visible,.text-link:focus-visible,.menu-btn:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid #8fc5ff;outline-offset:3px}.menu-btn{width:44px;height:44px;border:1px solid #d8e4f0;background:#fff;border-radius:8px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-btn span{width:20px;height:2px;background:#2875c7;border-radius:2px}.drawer{position:fixed;z-index:10002;right:0;top:0;height:100vh;width:min(390px,88vw);background:#fff;box-shadow:-12px 0 32px rgba(43,97,153,.18);transform:translateX(105%);transition:transform .22s ease;overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;z-index:10001;inset:0;background:rgba(31,45,61,.34);opacity:0;transition:opacity .22s}.drawer-mask.show{opacity:1}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;border-bottom:1px solid #e5edf5}.drawer-close{width:44px;height:44px;border:0;background:#f4f7fb;border-radius:8px;font-size:28px;color:#34495e;cursor:pointer}.drawer-nav{padding:16px;display:grid;gap:6px}.drawer-nav>a:not(.main-btn){display:block;padding:12px 14px;border-radius:8px;text-decoration:none;color:#34495e}.drawer-nav>a:not(.main-btn):hover{background:#eaf4ff;color:#2875c7}.drawer-download{margin-top:8px}.drawer-open{overflow:hidden}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.section{padding:76px 0}.section-light{background:#f4f7fb}.section-alt{background:#eef3f9}.section-title,h1,h2,h3{color:#1f2d3d}.section-title{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:0 0 14px}.section-lead{max-width:780px;color:#6f7f90;margin:0 0 32px}.eyebrow{display:inline-block;color:#2875c7;background:#eaf4ff;border:1px solid #cfe6fb;border-radius:999px;padding:5px 12px;font-size:14px;margin-bottom:14px}.hero{padding:76px 0 68px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}.hero h1{font-size:clamp(38px,5.5vw,62px);line-height:1.12;margin:0 0 14px;letter-spacing:-.03em}.hero-subtitle{font-size:clamp(20px,2.6vw,28px);color:#2875c7;font-weight:700;margin:0 0 18px}.hero-copy{font-size:17px;color:#57697b;max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:26px 0 20px}.hero-links{display:flex;gap:18px;flex-wrap:wrap}.text-link{color:#2f83d8;text-decoration:none;font-weight:700}.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin-top:26px;padding:0;list-style:none}.hero-points li{position:relative;padding-left:18px}.hero-points li:before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:#3f8fe5}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:12% 4% 4%;background:#eaf4ff;border-radius:36px;z-index:0}.hero-visual img{position:relative;z-index:1;max-width:100%;height:auto;object-fit:contain;display:block;margin:auto}.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.category-card,.info-card,.review-card,.faq-card,.article-card,.notice-card{background:#fff;border:1px solid #d8e4f0;border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.category-card{padding:26px;min-height:190px;display:flex;flex-direction:column;transition:.2s}.category-card:hover{border-color:#3f8fe5;transform:translateY(-3px)}.category-card h3,.info-card h3{margin:0 0 10px}.category-card p{margin:0 0 18px;color:#6f7f90}.category-card .text-link{margin-top:auto}.category-card.wide{grid-column:1/-1;min-height:auto}.info-card{padding:24px}.info-card p{margin:0;color:#6f7f90}.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.feature-image{background:#fff;border:1px solid #d8e4f0;border-radius:14px;padding:28px;box-shadow:0 12px 32px rgba(43,97,153,.10)}.content-copy p{margin:0 0 18px}.content-copy ul{padding-left:20px}.dual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.article-card{padding:30px}.article-card h3{margin-top:0}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.review-card{padding:24px}.review-card p{margin:0;color:#57697b}.review-card strong{display:block;color:#2875c7;margin-top:14px}.faq-list{display:grid;gap:14px}.faq-card{padding:20px 24px}.faq-card h3{font-size:18px;margin:0 0 8px}.faq-card p{margin:0;color:#6f7f90}.risk-box{border:1px solid #bcdcf8;background:#eaf4ff;border-radius:10px;padding:24px}.page-hero{padding:60px 0 46px;background:#f4f7fb;border-bottom:1px solid #e5edf5}.page-hero h1{font-size:clamp(34px,5vw,52px);margin:0 0 12px;line-height:1.18}.page-hero p{max-width:820px;color:#6f7f90;font-size:17px}.prose{width:min(900px,calc(100% - 40px));margin:0 auto;padding:62px 0}.prose h2{margin-top:42px;font-size:28px}.prose h3{margin-top:30px;font-size:21px}.prose p{margin:0 0 18px}.prose ul,.prose ol{padding-left:24px}.prose li{margin:7px 0}.callout{background:#f4f7fb;border-left:4px solid #3f8fe5;padding:18px 20px;margin:24px 0}.notices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.notice-card{padding:26px}.notice-tag{display:inline-block;padding:4px 10px;border-radius:999px;background:#eaf4ff;color:#2875c7;font-size:13px}.notice-card h2{font-size:22px;margin:12px 0 8px}.notice-card p{margin:0;color:#6f7f90}.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}footer{background:#438ddf;color:#fff}.footer-inner{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:56px 0 34px;display:grid;grid-template-columns:1.2fr 1.8fr;gap:56px}.footer-brand img{max-height:44px;width:auto;background:#fff;border-radius:8px;padding:6px}.footer-brand p{max-width:430px;color:rgba(255,255,255,.9)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links h3{color:#fff;margin:0 0 12px}.footer-links a{display:block;color:#fff;text-decoration:none;margin:8px 0;opacity:.92}.footer-links a:hover{text-decoration:underline}.footer-risk{border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);padding:18px max(20px,calc((100% - 1160px)/2));color:rgba(255,255,255,.9);font-size:14px}.footer-copy{text-align:center;padding:18px 20px 26px;color:rgba(255,255,255,.85);font-size:14px}
@media(max-width:980px){.nav-core{display:none}.hero-grid,.split{grid-template-columns:1fr;gap:34px}.hero-visual{max-width:620px;margin:auto}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card.wide{grid-column:1/-1}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr}.notices{grid-template-columns:1fr}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 16px;gap:10px}.site-logo img{max-height:36px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.section{padding:54px 0}.container{width:min(100% - 32px,1160px)}.hero{padding:54px 0 46px}.hero-grid{gap:30px}.hero-actions{align-items:stretch}.hero-actions .main-btn{width:100%}.hero-links{gap:10px 16px}.hero-points{grid-template-columns:1fr}.quick-grid,.category-grid,.dual-grid,.review-grid{grid-template-columns:1fr;gap:18px}.category-card.wide{grid-column:auto}.category-card{min-height:auto}.feature-image{padding:18px}.prose{width:calc(100% - 32px);padding:48px 0}.page-hero{padding:44px 0 34px}.footer-inner{width:calc(100% - 32px);padding:44px 0 28px}.footer-links{grid-template-columns:1fr 1fr}.footer-risk{padding-left:16px;padding-right:16px}}
@media(max-width:480px){.header-actions{gap:6px}.header-download{padding:0 10px}.footer-links{grid-template-columns:1fr}.hero h1{font-size:38px}}