:root {
  --blue:#3f8fe5; --blue-dark:#2875c7; --blue-soft:#eaf4ff; --bg:#ffffff;
  --bg-light:#f4f7fb; --bg-alt:#eef3f9; --title:#1f2d3d; --text:#34495e;
  --muted:#6f7f90; --line:#d8e4f0; --footer:#438ddf; --radius:14px;
  --shadow:0 12px 32px rgba(43,97,153,.10); --container: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:1.7;overflow-x:hidden}
a{color:var(--blue-dark)} img{max-width:100%;height:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:11000;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:var(--container);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;margin-left:auto}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;white-space:nowrap}.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: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,.main-btn:focus{background:#2f7fd3;transform:translateY(-1px)}.secondary-btn{color:var(--blue-dark);background:#fff;border:1px solid var(--line)}.secondary-btn:hover,.secondary-btn:focus{background:var(--blue-soft);border-color:var(--blue)}a:focus-visible,button:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}
.menu-toggle{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:9px;display:grid;place-content:center;gap:5px;cursor:pointer;position:relative;z-index:3}.menu-toggle span{display:block;width:20px;height:2px;background:var(--title);border-radius:2px}.drawer-overlay{position:fixed;inset:0;background:rgba(17,35,55,.42);z-index:10000;opacity:0;transition:opacity .22s ease}.drawer-overlay.visible{opacity:1}.site-drawer{position:fixed;right:0;top:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:10001;transform:translateX(105%);transition:transform .24s ease;box-shadow:-20px 0 45px rgba(31,45,61,.18);padding:20px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid #e5edf5}.drawer-close{width:44px;height:44px;border:0;background:var(--bg-light);border-radius:50%;font-size:29px;line-height:1;cursor:pointer}.drawer-nav{display:grid;padding:16px 0}.drawer-nav a{color:var(--text);text-decoration:none;padding:11px 8px;border-bottom:1px solid #edf2f7}.drawer-nav a:hover{color:var(--blue-dark);background:var(--blue-soft)}.drawer-download{width:100%;margin:10px 0 20px}.drawer-open{overflow:hidden}
main{display:block}.container{width:min(calc(100% - 40px),1160px);margin:0 auto}.section{padding:82px 0}.section-light{background:var(--bg-light)}.section-alt{background:var(--bg-alt)}.section-kicker{margin:0 0 8px;color:var(--blue-dark);font-weight:800;letter-spacing:.08em}.section-title,h1,h2,h3{color:var(--title);line-height:1.3}.section-title{font-size:clamp(29px,4vw,43px);margin:0 0 16px}.section-lead{max-width:800px;margin:0 auto 34px;text-align:center;color:var(--muted);font-size:17px}.center{text-align:center}
.hero{padding:70px 0 76px;background:linear-gradient(135deg,#fff 0%,#f8fbff 58%,#eef6ff 100%);position:relative;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:rgba(63,143,229,.09);pointer-events:none}.hero:before{width:310px;height:310px;right:-120px;top:-130px}.hero:after{width:190px;height:190px;left:-80px;bottom:-95px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center;position:relative;z-index:1}.hero h1{font-size:clamp(38px,5vw,62px);margin:0 0 18px}.hero-subtitle{font-size:clamp(20px,2.3vw,29px);font-weight:700;color:var(--blue-dark);margin:0 0 18px}.hero p{font-size:17px;color:var(--muted);margin:0 0 24px}.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,minmax(0,1fr));gap:10px 16px;margin-top:26px;padding:0;list-style:none}.hero-points li{padding-left:24px;position:relative}.hero-points li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}.hero-visual{display:flex;justify-content:center}.hero-visual img{width:min(100%,480px);max-height:590px;object-fit:contain;display:block}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.info-card,.category-card,.review-card,.faq-card,.content-card,.notice-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{margin:0 0 8px;font-size:20px}.info-card p{margin:0;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.category-card{padding:28px;display:flex;flex-direction:column;min-height:200px;transition:.22s ease}.category-card:hover{border-color:var(--blue);transform:translateY(-4px)}.category-card h3{margin:0 0 10px;color:var(--blue-dark)}.category-card p{margin:0 0 18px;color:var(--muted);flex:1}.category-card a{text-decoration:none;font-weight:800}.category-card.full{grid-column:1/-1;min-height:auto}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.split.reverse .feature-image{order:2}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block;margin:auto}.feature-copy h2{font-size:clamp(30px,4vw,42px);margin:0 0 18px}.feature-copy p{color:var(--muted)}.feature-copy .main-btn,.feature-copy .secondary-btn{margin-top:12px}.two-images{display:grid;grid-template-columns:1fr 1fr;gap:20px}.two-images img{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.review-card{padding:24px}.review-card p{margin:0}.review-meta{display:block;margin-top:14px;color:var(--blue-dark);font-weight:700}.faq-list{display:grid;gap:14px}.faq-card{padding:0;overflow:hidden}.faq-card summary{cursor:pointer;font-weight:800;color:var(--title);padding:20px 22px;list-style:none;position:relative}.faq-card summary::-webkit-details-marker{display:none}.faq-card summary:after{content:"+";position:absolute;right:22px;font-size:24px;color:var(--blue)}.faq-card[open] summary:after{content:"−"}.faq-card .faq-answer{padding:0 22px 20px;color:var(--muted)}
.risk-box{border:1px solid #b7d5f5;background:#f2f8ff;border-radius:14px;padding:28px}.risk-box h2,.risk-box h3{margin-top:0}.risk-box ul{margin-bottom:0}.cta-band{background:var(--blue);color:#fff;border-radius:18px;padding:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta-band h2{color:#fff;margin:0 0 6px}.cta-band p{margin:0;color:rgba(255,255,255,.88)}.cta-band .secondary-btn{border-color:#fff;color:var(--blue-dark)}
.page-hero{padding:66px 0;background:linear-gradient(180deg,#f7fbff,#eef5fc);border-bottom:1px solid #e4edf7}.page-hero h1{font-size:clamp(36px,5vw,54px);margin:0 0 14px}.page-hero p{max-width:820px;margin:0;color:var(--muted);font-size:18px}.breadcrumbs{display:flex;gap:8px;align-items:center;margin-bottom:18px;color:var(--muted);font-size:14px}.breadcrumbs a{text-decoration:none}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.article{display:grid;gap:22px}.content-card{padding:30px}.content-card h2{margin-top:0;font-size:28px}.content-card h3{margin-top:24px}.content-card p:last-child,.content-card ul:last-child{margin-bottom:0}.content-card li{margin-bottom:8px}.side-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.side-nav h3{margin:0 0 10px}.side-nav a{display:block;padding:8px 6px;text-decoration:none;border-bottom:1px solid #edf2f7}.side-nav a:last-child{border-bottom:0}.notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.notice-card{padding:24px}.notice-type{display:inline-block;padding:4px 10px;border-radius:99px;background:var(--blue-soft);color:var(--blue-dark);font-size:13px;font-weight:800}.notice-card h2{font-size:22px;margin:14px 0 8px}.notice-card p{color:var(--muted)}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;min-width:620px}.data-table th,.data-table td{border:1px solid var(--line);padding:14px;text-align:left}.data-table th{background:var(--bg-light);color:var(--title)}
footer{background:var(--footer);color:#fff}.footer-inner{width:min(calc(100% - 40px),1160px);margin:0 auto;padding:58px 0 34px;display:grid;grid-template-columns:1.1fr 1.9fr;gap:54px}.footer-brand img{max-height:48px;filter:brightness(0) invert(1)}.footer-brand p{max-width:460px;color:rgba(255,255,255,.86)}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.footer-links h3{color:#fff;margin-top:0}.footer-links a{display:block;color:rgba(255,255,255,.9);text-decoration:none;padding:4px 0}.footer-links a:hover{text-decoration:underline}.footer-risk{width:min(calc(100% - 40px),1160px);margin:0 auto;padding:22px 0;border-top:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.84)}.footer-bottom{text-align:center;padding:18px 20px;border-top:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8)}
@media (max-width:1050px){.nav-core{display:none}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{gap:30px}.content-layout{grid-template-columns:1fr}.side-nav{position:static}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:768px){.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 14px;font-size:14px}.section{padding:58px 0}.container{width:min(calc(100% - 32px),1160px)}.hero{padding:48px 0 58px}.hero-grid,.split{grid-template-columns:1fr}.hero-visual{margin-top:10px}.hero-visual img{width:min(100%,380px)}.hero-points{grid-template-columns:1fr}.quick-grid,.category-grid,.review-grid,.notice-grid{grid-template-columns:1fr}.category-card.full{grid-column:auto}.split.reverse .feature-image{order:0}.two-images{grid-template-columns:1fr}.cta-band{padding:28px;align-items:flex-start;flex-direction:column}.footer-inner{grid-template-columns:1fr;padding-top:45px}.footer-links{grid-template-columns:1fr 1fr}.content-card{padding:22px}.page-hero{padding:45px 0}.section-lead{text-align:left}.menu-toggle{display:grid}}
@media (max-width:480px){.header-download{padding:0 11px}.site-logo img{max-width:125px}.hero-actions .main-btn,.hero-actions .secondary-btn{width:100%}.footer-links{grid-template-columns:1fr}.quick-grid{grid-template-columns:1fr}.section-title{font-size:31px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}