:root{--blue:#3f8fe5;--blue-deep:#2875c7;--blue-soft:#eaf4ff;--ink:#1f2d3d;--text:#34495e;--muted:#6f7f90;--line:#d8e4f0;--light:#f4f7fb;--lighter:#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:1.75;overflow-x:hidden}a{color:#2f83d8}img{max-width:100%;height:auto}.skip-link{position:fixed;left:12px;top:-60px;background:#fff;color:var(--ink);padding:10px 14px;z-index:12000;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;gap:8px;white-space:nowrap}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:var(--blue-deep);background:var(--blue-soft)}.header-actions{display:flex;align-items:center;gap:10px}.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;transition:.2s;position:relative;z-index:2;pointer-events:auto;touch-action:manipulation}.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)}.secondary-btn{color:var(--blue-deep);background:#fff;border:1px solid var(--line)}.secondary-btn:hover{background:var(--blue-soft);border-color:var(--blue)}.main-btn:focus-visible,.secondary-btn:focus-visible,.menu-button:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.menu-button{width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:9px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}.menu-button span{width:21px;height:2px;background:var(--ink);border-radius:2px}.drawer-overlay{position:fixed;inset:0;background:rgba(19,35,52,.38);z-index:10000;opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.drawer{position:fixed;right:0;top:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:10001;transform:translateX(102%);transition:transform .25s ease;box-shadow:-18px 0 50px rgba(28,63,96,.2);overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer-head{height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5edf5}.drawer-close{width:44px;height:44px;border:0;background:var(--blue-soft);color:var(--blue-deep);font-size:30px;border-radius:8px;cursor:pointer}.drawer-nav{padding:16px 20px 32px;display:grid;gap:4px}.drawer-nav a{display:block;padding:12px 14px;color:var(--text);text-decoration:none;border-radius:8px}.drawer-nav a:hover{background:var(--blue-soft);color:var(--blue-deep)}.drawer-nav .drawer-download{margin-top:10px;background:var(--blue);color:#fff;text-align:center}.drawer-open{overflow:hidden}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.section{padding:84px 0}.section-light{background:var(--light)}.section-soft{background:var(--lighter)}.section-heading{max-width:760px;margin:0 auto 38px;text-align:center}.eyebrow{display:inline-block;margin-bottom:10px;color:var(--blue-deep);font-weight:700;letter-spacing:.08em}.section-title,h1,h2,h3{color:var(--ink);line-height:1.3}.section-title{font-size:clamp(29px,4vw,42px);margin:0 0 14px}.section-heading p{margin:0;color:var(--muted)}.hero{position:relative;overflow:hidden;padding:84px 0 70px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:var(--blue-soft);z-index:0}.hero:before{width:420px;height:420px;right:-180px;top:-180px}.hero:after{width:240px;height:240px;left:-120px;bottom:-110px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.hero h1{font-size:clamp(40px,6vw,64px);margin:0 0 16px}.hero-subtitle{font-size:clamp(20px,2.4vw,28px);color:var(--blue-deep);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:23px}.hero-links{display:flex;flex-wrap:wrap;gap:16px}.hero-links a{text-decoration:none}.hero-points{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.hero-points li{padding-left:24px;position:relative;color:var(--text)}.hero-points li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}.hero-visual{display:flex;justify-content:center}.hero-visual img{width:min(100%,560px);display:block;object-fit:contain;filter:drop-shadow(0 24px 40px rgba(43,97,153,.14))}.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.info-card,.category-card,.review-card,.faq-card,.article-card,.notice-card{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:24px}.info-card h3{margin:0 0 9px;font-size:19px}.info-card p{margin:0;color:var(--muted);font-size:15px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.category-card{padding:28px;min-height:195px;display:flex;flex-direction:column;transition:.2s;border-color:#bcd5ed}.category-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:var(--shadow)}.category-card h3{margin:0 0 10px;color:var(--blue-deep)}.category-card p{margin:0 0 20px;color:var(--muted);flex:1}.category-card a{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:56px;align-items:center}.feature-grid.reverse .feature-image{order:2}.feature-grid.reverse .feature-copy{order:1}.feature-image{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:var(--shadow)}.feature-image img{max-height:420px;margin:0 auto;display:block;object-fit:contain}.feature-copy h2{font-size:clamp(30px,4vw,44px);margin:0 0 18px}.feature-copy p{margin:0 0 16px;color:var(--muted)}.feature-copy ul{padding-left:20px;color:var(--text);margin:18px 0 24px}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.article-card{padding:30px}.article-card img{max-height:240px;margin:0 auto 24px;display:block}.article-card h3{font-size:27px;margin:0 0 14px}.article-card p{color:var(--muted)}.notice-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.notice-card{padding:24px}.notice-tag{display:inline-block;padding:4px 9px;background:var(--blue-soft);color:var(--blue-deep);border-radius:999px;font-size:13px;font-weight:700}.notice-card h3{font-size:20px;margin:14px 0 10px}.notice-card p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.review-card{padding:24px}.review-card p{margin:0 0 14px}.review-card span{color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-card{padding:0;overflow:hidden}.faq-card summary{cursor:pointer;padding:20px 24px;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;line-height:1}.faq-card[open] summary:after{content:"−"}.faq-card div{padding:0 24px 22px;color:var(--muted)}.risk-banner{background:#eaf4ff;border:1px solid #bcd5ed;border-radius:10px;padding:28px}.risk-banner h2{margin-top:0}.page-hero{padding:68px 0 58px;background:linear-gradient(180deg,#f4f9ff,#fff)}.page-hero .container{max-width:900px;text-align:center}.page-hero h1{font-size:clamp(36px,5vw,54px);margin:0 0 14px}.page-hero p{font-size:18px;color:var(--muted);margin:0}.article-shell{padding:70px 0}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:start}.article-body{font-size:16px}.article-body h2{font-size:30px;margin:50px 0 16px;padding-top:8px}.article-body h2:first-child{margin-top:0}.article-body h3{font-size:22px;margin:30px 0 10px}.article-body p{margin:0 0 17px}.article-body ul,.article-body ol{padding-left:24px}.article-body li{margin-bottom:8px}.article-body .lead{font-size:19px;color:var(--muted)}.side-panel{position:sticky;top:96px;background:var(--light);border:1px solid var(--line);border-radius:10px;padding:22px}.side-panel h2{font-size:20px;margin:0 0 12px}.side-panel a{display:block;text-decoration:none;padding:7px 0}.tip,.warning{padding:20px 22px;border-radius:8px;margin:24px 0}.tip{background:#edf8ff;border-left:4px solid var(--blue)}.warning{background:#fff8e8;border-left:4px solid #e0a52f}.steps{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;border:1px solid var(--line);border-radius:8px;padding:20px 20px 20px 64px;position:relative}.step:before{content:counter(step);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;min-width:640px}.data-table th,.data-table td{padding:14px;border:1px solid var(--line);text-align:left;vertical-align:top}.data-table th{background:var(--light);color:var(--ink)}.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--blue);color:#fff;border-radius:12px;padding:28px 32px;margin-top:42px}.cta-strip h2{color:#fff;margin:0 0 6px;font-size:25px}.cta-strip p{margin:0;color:rgba(255,255,255,.9)}.cta-strip .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 34px;display:grid;grid-template-columns:2fr repeat(3,1fr);gap:36px}.footer-brand img{max-height:48px;width:auto;filter:brightness(0) invert(1)}.footer-brand p{color:rgba(255,255,255,.85);max-width:390px}.footer-links h2{color:#fff;font-size:17px;margin:0 0 14px}.footer-links a{display:block;color:rgba(255,255,255,.88);text-decoration:none;padding:4px 0}.footer-links a:hover{color:#fff;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,.23);color:rgba(255,255,255,.86)}.footer-bottom{text-align:center;padding:18px 20px;border-top:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8);font-size:14px}
@media(max-width:1080px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.side-panel{position:static}.footer-inner{grid-template-columns:1.5fr 1fr 1fr}.footer-inner .footer-links:last-child{grid-column:2/4}}
@media(max-width:820px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:36px}.header-download{min-height:44px;padding:0 13px;font-size:14px}.menu-button{width:44px;height:44px}.container{width:min(100% - 32px,1160px)}.section{padding:62px 0}.hero{padding:60px 0}.hero-grid,.feature-grid,.split-grid{grid-template-columns:1fr;gap:34px}.hero-copy{font-size:16px}.hero-visual{margin-top:12px}.feature-grid.reverse .feature-image,.feature-grid.reverse .feature-copy{order:initial}.category-grid{grid-template-columns:repeat(2,1fr);gap:20px}.category-card.full{grid-column:1/-1}.notice-list,.review-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-inner .footer-links:last-child{grid-column:auto}.cta-strip{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.header-download{padding:0 10px}.site-logo img{max-width:128px}.hero h1{font-size:38px}.hero-subtitle{font-size:21px}.hero-points,.info-grid,.category-grid,.notice-list,.review-grid,.footer-inner{grid-template-columns:1fr}.category-card.full{grid-column:auto}.hero-actions{flex-direction:column}.hero-actions a{width:100%}.hero-links{gap:10px 14px}.section-heading{text-align:left}.article-card,.info-card,.category-card{padding:22px}.page-hero{padding:52px 0 45px}.article-shell{padding:52px 0}.cta-strip{padding:24px}.footer-brand{grid-column:auto}.footer-inner .footer-links:last-child{grid-column:auto}}