:root{--blue:#3f8fe5;--blue-dark:#2875c7;--blue-soft:#eaf4ff;--ink:#1f2d3d;--text:#34495e;--muted:#6f7f90;--line:#d8e4f0;--light:#f4f7fb;--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:1.75;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:#2f83d8}img{max-width:100%;height:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:12000;background:#fff;padding:10px 14px;border:2px solid var(--blue);border-radius:8px}.skip-link:focus{top:12px}.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:0 0 auto}.site-logo img{display:block;max-height:44px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;white-space:nowrap;font-size:15px}.nav-core a:hover,.nav-core a.active{color:var(--blue-dark);background:var(--blue-soft)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:8px;text-decoration:none;font-weight:700;position:relative;z-index:2;pointer-events:auto;touch-action:manipulation;transition:.2s ease}.main-btn{color:#fff;background:var(--blue);box-shadow:0 10px 24px rgba(63,143,229,.22)}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.main-btn:focus-visible,.secondary-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.secondary-btn{color:var(--blue-dark);background:#fff;border:1px solid var(--line)}.secondary-btn:hover{border-color:var(--blue);background:var(--blue-soft)}.menu-toggle{width:46px;height:46px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;z-index:3}.menu-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px}.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(20,36,54,.42);opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.drawer-menu{position:fixed;right:0;top:0;width:min(390px,88vw);height:100dvh;z-index:10001;background:#fff;box-shadow:-20px 0 50px rgba(31,45,61,.18);transform:translateX(105%);transition:transform .24s ease;display:flex;flex-direction:column;padding:20px}.drawer-menu.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{width:44px;height:44px;border:0;background:var(--light);border-radius:50%;font-size:30px;line-height:1;cursor:pointer}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;overflow:auto;padding:18px 0}.drawer-links a{text-decoration:none;color:var(--text);padding:11px 12px;border:1px solid #e5edf5;border-radius:8px}.drawer-links a:hover{border-color:var(--blue);background:var(--blue-soft)}.drawer-download{margin-top:auto;width:100%}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.section{padding:82px 0}.section-light{background:var(--light)}.section-blue-soft{background:linear-gradient(180deg,#f8fbff 0,#eef5fc 100%)}.section-head{max-width:760px;margin:0 auto 38px;text-align:center}.eyebrow{display:inline-block;margin-bottom:10px;color:var(--blue-dark);font-weight:700;letter-spacing:.08em;font-size:13px}.section-title,h1,h2,h3{color:var(--ink)}.section-title{font-size:clamp(28px,3.4vw,42px);line-height:1.25;margin:0 0 14px}.section-lead{margin:0;color:var(--muted);font-size:17px}.hero{padding:74px 0 58px;position:relative;overflow:hidden;background:#fff}.hero:before{content:"";position:absolute;right:-140px;top:-180px;width:520px;height:520px;border-radius:50%;background:#edf6ff;z-index:0}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:72px}.hero h1{font-size:clamp(38px,5.2vw,66px);line-height:1.12;margin:0 0 18px;letter-spacing:-.03em}.hero-subtitle{font-size:clamp(21px,2.6vw,30px);line-height:1.45;color:var(--blue-dark);font-weight:700;margin:0 0 18px}.hero-copy{font-size:17px;color:var(--muted);margin:0 0 26px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.hero-links{display:flex;flex-wrap:wrap;gap:18px}.hero-links a{text-decoration:none;font-weight:700}.hero-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:26px}.hero-point{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:14px}.hero-visual img{display:block;width:100%;max-height:620px;object-fit:contain;filter:drop-shadow(0 28px 45px rgba(43,97,153,.18))}.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 solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:26px}.info-card h3{margin:0 0 8px;font-size:20px}.info-card p{margin:0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:30px;transition:.2s ease;display:flex;flex-direction:column;min-height:210px}.category-card:hover{border-color:var(--blue);transform:translateY(-4px)}.category-card:last-child{grid-column:1/-1;min-height:auto}.category-card h3{margin:0 0 8px;font-size:23px}.category-card p{margin:0 0 20px;color:var(--muted);flex:1}.text-link{color:#2f83d8;text-decoration:none;font-weight:700}.text-link:hover{text-decoration:underline}.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.split.reverse .feature-image{order:2}.feature-image{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;box-shadow:var(--shadow)}.feature-image img,.content-img{display:block;width:100%;max-height:460px;object-fit:contain}.feature-copy h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;margin:0 0 16px}.feature-copy p{margin:0 0 18px;color:var(--muted)}.check-list,.plain-list{padding:0;margin:20px 0;list-style:none;display:grid;gap:10px}.check-list li,.plain-list li{position:relative;padding-left:26px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue-dark);font-weight:700}.plain-list li:before{content:"";position:absolute;left:3px;top:.75em;width:7px;height:7px;background:var(--blue);border-radius:50%}.dual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.content-card{padding:32px}.content-card h3{font-size:26px;margin:18px 0 12px}.content-card p{color:var(--muted)}.content-card img{height:260px;object-fit:contain;width:100%}.notice-list{display:grid;gap:14px}.notice-item{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #e5edf5}.notice-type{font-weight:700;color:var(--blue-dark)}.notice-item h3{margin:0 0 6px;font-size:19px}.notice-item p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:26px}.review-card p{margin:0 0 15px}.review-card span{color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}.faq-card{overflow:hidden}.faq-card details{padding:0 24px}.faq-card summary{cursor:pointer;padding:20px 0;font-weight:700;color:var(--ink);list-style:none}.faq-card summary::-webkit-details-marker{display:none}.faq-card summary:after{content:"+";float:right;color:var(--blue);font-size:24px}.faq-card details[open] summary:after{content:"−"}.faq-card p{margin:0 0 22px;color:var(--muted)}.risk-box{padding:30px;border:1px solid #bcd8f3;background:#f5faff;border-radius:8px}.risk-box h2,.risk-box h3{margin-top:0}.risk-box p:last-child{margin-bottom:0}.page-hero{padding:68px 0;background:linear-gradient(180deg,#f8fbff,#eef5fc);border-bottom:1px solid #e3edf6}.page-hero .container{max-width:900px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:16px}.breadcrumbs a{text-decoration:none}.page-hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.18;margin:0 0 16px}.page-hero p{font-size:18px;color:var(--muted);margin:0}.article{max-width:900px;margin:0 auto}.article h2{font-size:30px;margin:52px 0 14px}.article h3{font-size:22px;margin:32px 0 10px}.article p{margin:0 0 18px}.article .lead{font-size:19px;color:var(--muted)}.article-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0}.article-nav a{padding:16px;background:var(--light);border:1px solid var(--line);border-radius:8px;text-decoration:none;font-weight:700}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}.step{padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.step-number{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);color:var(--blue-dark);font-weight:700;margin-bottom:12px}.table-wrap{overflow:auto;margin:24px 0}table{width:100%;border-collapse:collapse;min-width:660px}th,td{padding:15px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--light);color:var(--ink)}.cta-band{padding:36px;border-radius:10px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:42px}.cta-band h2,.cta-band h3{color:#fff;margin:0 0 8px}.cta-band p{margin:0;color:rgba(255,255,255,.85)}.cta-band .secondary-btn{flex:0 0 auto}.site-footer{background:#438ddf;color:#fff}.footer-inner{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:58px 0 38px;display:grid;grid-template-columns:1.15fr 1.85fr;gap:80px}.footer-brand img{max-height:48px;width:auto;background:#fff;border-radius:6px;padding:6px}.footer-brand p{color:rgba(255,255,255,.86);max-width:450px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.footer-links h3{color:#fff;margin:0 0 13px}.footer-links a{display:block;color:#fff;text-decoration:none;margin:8px 0;opacity:.9}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:22px 0;border-top:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.82);font-size:14px}.footer-bottom{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:20px}.footer-bottom a{color:#fff}
@media(max-width:1050px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,1fr)}.hero-grid{gap:36px}.review-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.section{padding:62px 0}.hero{padding-top:54px}.hero-grid,.split{grid-template-columns:1fr}.hero-visual{max-width:560px;margin:0 auto}.split.reverse .feature-image{order:0}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card:last-child{grid-column:1/-1}.dual-grid{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr;gap:35px}.footer-links{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.container,.footer-inner,.footer-risk,.footer-bottom{width:min(100% - 32px,1160px)}.header-inner{min-height:62px;padding:0 12px;gap:8px}.site-logo img{max-height:36px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.menu-toggle{width:44px;height:44px}.hero:before{width:340px;height:340px}.hero-grid{gap:30px}.hero h1{font-size:38px}.hero-subtitle{font-size:22px}.hero-actions{display:grid}.hero-actions a{width:100%}.hero-links{display:grid;gap:8px}.hero-points,.info-grid,.category-grid,.review-grid,.step-grid,.footer-links{grid-template-columns:1fr}.category-card:last-child{grid-column:auto}.category-card{min-height:auto}.section-head{text-align:left}.notice-item{grid-template-columns:1fr;gap:5px}.article-nav{grid-template-columns:1fr}.cta-band{align-items:flex-start;flex-direction:column}.cta-band .secondary-btn{width:100%}.footer-bottom{flex-direction:column}.drawer-links{grid-template-columns:1fr 1fr}.page-hero{padding:48px 0}.article h2{font-size:27px}.content-card{padding:24px}}
@media(max-width:380px){.header-download{padding:0 10px}.drawer-links{grid-template-columns:1fr}.site-logo img{max-width:108px}}