:root{--blue:#3f8fe5;--blue-dark:#2875c7;--blue-link:#2f83d8;--blue-soft:#eaf4ff;--bg:#fff;--bg-light:#f4f7fb;--bg-soft:#eef3f9;--text:#34495e;--heading:#1f2d3d;--muted:#6f7f90;--note:#8c99a8;--line:#d8e4f0;--line-soft:#e5edf5;--footer:#438ddf;--shadow:0 12px 32px rgba(43,97,153,.10);--radius:14px;--max:1240px}
*{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.drawer-open{overflow:hidden}a{color:var(--blue-link)}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 var(--line-soft);box-shadow:0 6px 20px rgba(43,97,153,.08)}.header-inner{max-width:var(--max);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;gap:6px;margin-left:auto}.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}.main-btn,.outline-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:9px;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,.outline-btn:focus-visible,.text-link:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible{outline:3px solid rgba(47,131,216,.34);outline-offset:3px}.outline-btn{color:var(--blue-dark);border:1px solid #b7d4ef;background:#fff}.outline-btn:hover{border-color:var(--blue);background:var(--blue-soft)}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:9px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{display:block;width:19px;height:2px;background:var(--heading);border-radius:2px}.drawer-overlay{position:fixed;inset:0;background:rgba(31,45,61,.36);z-index:10000;opacity:0;transition:.2s ease}.drawer-overlay.show{opacity:1}.site-drawer{position:fixed;top:0;right:0;width:min(380px,92vw);height:100dvh;background:#fff;z-index:10001;padding:20px;transform:translateX(105%);transition:transform .24s ease;box-shadow:-20px 0 50px rgba(31,45,61,.18);overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft)}.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:28px;line-height:1;cursor:pointer;color:var(--heading)}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:18px 0}.drawer-nav a{color:var(--text);text-decoration:none;padding:10px 12px;border-radius:8px;background:var(--bg-light)}.drawer-nav a:hover{color:var(--blue-dark);background:var(--blue-soft)}.drawer-download{width:100%}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.wide-container{width:min(1240px,calc(100% - 40px));margin:0 auto}.section{padding:84px 0}.section-sm{padding:56px 0}.section-light{background:var(--bg-light)}.section-soft{background:var(--bg-soft)}.section-title{font-size:clamp(28px,3vw,40px);line-height:1.25;color:var(--heading);margin:0 0 16px}.section-intro{max-width:780px;color:var(--muted);font-size:17px;margin:0 0 34px}.eyebrow{display:inline-block;color:var(--blue-dark);font-weight:700;background:var(--blue-soft);padding:5px 10px;border-radius:999px;margin-bottom:14px;font-size:14px}.hero{position:relative;overflow:hidden;padding:72px 0 64px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:rgba(63,143,229,.08);pointer-events:none}.hero:before{width:360px;height:360px;right:-120px;top:-160px}.hero:after{width:220px;height:220px;left:-110px;bottom:-80px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:64px}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-1px;color:var(--heading);margin:0 0 18px}.hero-subtitle{font-size:clamp(21px,2vw,28px);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:22px}.hero-links{display:flex;flex-wrap:wrap;gap:16px}.hero-links a{text-decoration:none;font-weight:700}.hero-points{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero-points li{position:relative;padding-left:24px;color:var(--text)}.hero-points li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}.hero-visual{display:flex;align-items:center;justify-content:center}.hero-visual img{max-width:100%;height:auto;object-fit:contain;display:block;filter:drop-shadow(0 26px 38px rgba(43,97,153,.14))}
.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:12px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:24px}.info-card h3,.content-card h3{margin:0 0 8px;color:var(--heading)}.info-card p{margin:0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:28px;min-height:190px;display:flex;flex-direction:column;transition:.2s ease}.category-card:hover{border-color:var(--blue);transform:translateY(-3px)}.category-card h3{margin:0 0 10px;color:var(--blue-dark);font-size:22px}.category-card p{margin:0 0 18px;color:var(--muted)}.category-card .text-link{margin-top:auto;text-decoration:none;font-weight:700}.category-card.full{grid-column:1/-1;min-height:auto}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.feature-grid.reverse .feature-image{order:2}.feature-grid.reverse .feature-copy{order:1}.feature-image{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;min-height:390px}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.feature-copy h2{font-size:clamp(28px,3vw,40px);line-height:1.3;color:var(--heading);margin:0 0 18px}.feature-copy p{color:var(--muted);font-size:16.5px}.check-list{list-style:none;margin:22px 0 28px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}.check-list li{position:relative;padding-left:24px}.check-list li:before{content:"•";position:absolute;left:6px;color:var(--blue);font-size:20px;line-height:1.4}.two-up{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-card{padding:30px}.content-card p:last-child{margin-bottom:0}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:14px}.notice{border:1px solid #bfd9f2;background:#f6fbff;border-radius:12px;padding:18px 20px;color:#4b6178}.notice strong{color:var(--blue-dark)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:24px}.review-card p{margin:0;color:var(--muted)}.review-card .review-tag{display:block;margin-top:15px;color:var(--blue-dark);font-weight:700;font-size:14px}.faq-list{display:grid;gap:14px}.faq-card{padding:22px 24px}.faq-card h3{margin:0 0 8px;font-size:18px;color:var(--heading)}.faq-card p{margin:0;color:var(--muted)}.faq-more{margin-top:24px}.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.risk-item{padding:24px;border-left:3px solid var(--blue);background:#fff;border-radius:8px;box-shadow:0 6px 20px rgba(43,97,153,.05)}.risk-item h3{margin:0 0 8px;color:var(--heading)}.risk-item p{margin:0;color:var(--muted)}
.page-hero{padding:66px 0 50px;background:linear-gradient(180deg,#fff,#f4f8fc);border-bottom:1px solid var(--line-soft)}.page-hero h1{font-size:clamp(36px,4vw,52px);line-height:1.2;color:var(--heading);margin:0 0 14px}.page-hero p{max-width:820px;margin:0;color:var(--muted);font-size:18px}.breadcrumbs{font-size:14px;margin-bottom:14px;color:var(--note)}.breadcrumbs a{text-decoration:none}.article{width:min(900px,calc(100% - 40px));margin:0 auto;padding:64px 0 80px}.article h2{font-size:29px;color:var(--heading);margin:42px 0 14px}.article h3{font-size:21px;color:var(--heading);margin:28px 0 10px}.article p{margin:0 0 16px}.article ul,.article ol{padding-left:24px}.article li{margin:7px 0}.article .content-img{margin:26px auto 34px;max-height:420px}.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.toc{border:1px solid var(--line);background:var(--bg-light);padding:20px 24px;border-radius:12px;margin:0 0 34px}.toc strong{display:block;color:var(--heading);margin-bottom:8px}.toc a{text-decoration:none}.qa{border-bottom:1px solid var(--line-soft);padding:24px 0}.qa:first-child{padding-top:0}.qa h2,.qa h3{margin:0 0 10px;font-size:21px}.qa p{margin:0}.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.news-item{border:1px solid var(--line);background:#fff;border-radius:12px;padding:26px}.news-type{display:inline-block;font-size:13px;color:var(--blue-dark);background:var(--blue-soft);padding:4px 9px;border-radius:999px;margin-bottom:10px}.news-item h2{font-size:22px;margin:0 0 10px}.news-item p{margin:0;color:var(--muted)}.service-table{width:100%;border-collapse:collapse;margin:22px 0}.service-table th,.service-table td{border:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}.service-table th{background:var(--bg-light);color:var(--heading)}.cta-band{padding:34px;border:1px solid #bcd9f2;background:linear-gradient(135deg,#f8fcff,#eef7ff);border-radius:16px;margin-top:38px}.cta-band h2{margin-top:0}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.contact-card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:26px}.contact-card h2{font-size:22px;margin:0 0 10px}.contact-card p{margin:0;color:var(--muted)}
.site-footer{background:var(--footer);color:#fff}.footer-inner{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:58px 0 26px}.footer-brand{max-width:560px}.footer-logo img{filter:brightness(0) invert(1)}.footer-brand p{color:rgba(255,255,255,.9)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:38px 0}.footer-links h3{font-size:16px;margin:0 0 10px}.footer-links a{display:block;color:#fff;text-decoration:none;opacity:.9;margin:6px 0}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk{border-top:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.25);padding:18px 0;color:rgba(255,255,255,.94)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:14px;color:rgba(255,255,255,.88)}.footer-bottom a{color:#fff}
@media(max-width:1040px){.nav-core{gap:2px}.nav-core a{padding:7px 6px;font-size:14px}.header-download{padding:0 16px}.hero-grid,.feature-grid{gap:36px}.info-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:880px){.nav-core{display:none}.hero-grid,.feature-grid{grid-template-columns:1fr}.hero-visual{margin-top:12px}.hero-visual img{max-height:570px}.feature-grid.reverse .feature-image,.feature-grid.reverse .feature-copy{order:initial}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.full{grid-column:1/-1}.review-grid,.risk-grid{grid-template-columns:1fr 1fr}.news-grid{grid-template-columns:1fr}.section{padding:66px 0}}
@media(max-width:640px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:36px}.header-actions{gap:7px}.header-download{min-height:44px;padding:0 13px;font-size:14px}.menu-toggle{width:44px;height:44px}.container,.wide-container,.footer-inner{width:min(100% - 32px,1160px)}.hero{padding:50px 0 46px}.hero h1{font-size:38px}.hero-subtitle{font-size:21px}.hero-points{grid-template-columns:1fr}.hero-actions{display:grid}.hero-actions .main-btn,.hero-actions .outline-btn{width:100%}.info-grid,.category-grid,.two-up,.review-grid,.risk-grid,.contact-grid{grid-template-columns:1fr}.category-card.full{grid-column:auto}.category-grid{gap:18px}.section{padding:56px 0}.section-sm{padding:42px 0}.feature-image{min-height:auto;padding:22px}.check-list{grid-template-columns:1fr}.article{width:min(100% - 32px,900px);padding:48px 0 64px}.page-hero{padding:46px 0 38px}.page-hero h1{font-size:36px}.drawer-nav{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.service-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.cta-band{padding:24px}}
@media(max-width:390px){.header-download{padding:0 10px;font-size:13px}.site-logo img{max-width:112px}.hero h1{font-size:34px}}