:root{--blue:#3f8fe5;--deep:#2875c7;--light:#eaf4ff;--bg:#fff;--muted-bg:#f4f7fb;--soft:#eef3f9;--title:#1f2d3d;--text:#34495e;--muted:#6f7f90;--border:#d8e4f0;--line:#e5edf5;--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.drawer-open{overflow:hidden}img{max-width:100%;height:auto}a{color:#2f83d8}.skip-link{position:fixed;left:12px;top:-100px;z-index:20000;background:#fff;padding:10px 14px;border:2px solid var(--blue)}.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 var(--line);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;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(--deep);background:var(--light)}.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{color:#fff;background:#2f7fd3;transform:translateY(-1px)}.secondary-btn{color:var(--deep);background:#fff;border:1px solid var(--border)}.secondary-btn:hover{border-color:var(--blue);background:var(--light)}.main-btn:focus-visible,.secondary-btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid 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var(--line)}.drawer-close{width:44px;height:44px;border:0;background:var(--soft);border-radius:50%;font-size:30px;line-height:1;cursor:pointer}.drawer-nav{padding:12px 20px 30px;display:grid;gap:4px}.drawer-nav a{display:block;padding:11px 12px;border-radius:8px;text-decoration:none;color:var(--text)}.drawer-nav a:hover{background:var(--light);color:var(--deep)}.drawer-nav .drawer-download{margin-top:12px;background:var(--blue);color:#fff;text-align:center}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.section{padding:78px 0}.section-light{background:var(--muted-bg)}.section-soft{background:var(--soft)}.section-title{margin:0 0 14px;color:var(--title);font-size:clamp(28px,4vw,42px);line-height:1.25}.section-intro{max-width:780px;margin:0 0 34px;color:var(--muted);font-size:17px}.eyebrow{display:inline-block;margin-bottom:12px;color:var(--deep);font-weight:700;letter-spacing:.06em}.hero{position:relative;overflow:hidden;padding:78px 0 58px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:var(--light);z-index:0}.hero:before{width:360px;height:360px;right:-120px;top:-150px}.hero:after{width:180px;height:180px;left:-70px;bottom:-70px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.hero h1{margin:0 0 16px;color:var(--title);font-size:clamp(38px,6vw,64px);line-height:1.12}.hero .subtitle{font-size:clamp(21px,3vw,30px);font-weight:700;color:var(--deep);line-height:1.4;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:26px}.hero-links{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:24px}.hero-links a{text-decoration:none}.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;padding:0;margin:0;list-style:none}.hero-points li{position:relative;padding-left:20px}.hero-points li:before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--blue)}.hero-visual{display:flex;justify-content:center}.hero-visual img{max-height:560px;object-fit:contain;filter:drop-shadow(0 22px 30px rgba(43,97,153,.16))}.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.info-card,.category-card,.review-card,.faq-card,.content-card{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:26px}.info-card h3,.category-card h3,.content-card h3{margin:0 0 9px;color:var(--title)}.info-card p,.category-card p,.content-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:210px;transition:.2s ease}.category-card:hover{border-color:var(--deep);transform:translateY(-3px)}.category-card p{flex:1}.category-card a{margin-top:18px;font-weight:700;text-decoration:none}.category-card.full{grid-column:1/-1;min-height:auto}.split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.split.reverse .feature-image{order:2}.feature-image img,.content-img{display:block;width:100%;height:auto;object-fit:contain}.prose h2,.prose h3{color:var(--title);line-height:1.35}.prose h2{margin:34px 0 12px;font-size:30px}.prose h3{margin:26px 0 10px;font-size:22px}.prose p{margin:0 0 16px}.prose ul,.prose ol{padding-left:22px}.prose li{margin-bottom:8px}.notice{padding:20px 22px;border-left:4px solid var(--blue);background:var(--light);border-radius:6px;margin:24px 0}.risk{padding:20px 22px;border:1px solid #cbdff3;background:#f7fbff;border-radius:8px;margin:24px 0}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-card{padding:30px}.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.review-card{padding:24px}.review-card p{margin:0;color:var(--text)}.review-card span{display:block;margin-top:12px;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-card{padding:20px 22px}.faq-card h3{margin:0 0 8px;color:var(--title);font-size:19px}.faq-card p{margin:0;color:var(--muted)}.announcement-list{display:grid;gap:18px}.announcement{padding:24px;border:1px solid var(--border);background:#fff;border-radius:8px}.announcement .tag{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--light);color:var(--deep);font-size:13px;font-weight:700}.announcement h3{margin:10px 0 8px;color:var(--title)}.page-hero{padding:62px 0;background:linear-gradient(180deg,#f8fbff,#eef5fc);border-bottom:1px solid var(--line)}.page-hero h1{margin:0 0 12px;color:var(--title);font-size:clamp(34px,5vw,52px);line-height:1.2}.page-hero p{max-width:820px;margin:0;color:var(--muted);font-size:18px}.article{padding:64px 0}.article .container{max-width:960px}.steps{counter-reset:step;display:grid;gap:18px}.step{counter-increment:step;padding:24px 24px 24px 76px;border:1px solid var(--border);border-radius:8px;position:relative;background:#fff}.step:before{content:counter(step);position:absolute;left:22px;top:22px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:700}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;margin:22px 0}.data-table th,.data-table td{padding:13px;border:1px solid var(--border);text-align:left;vertical-align:top}.data-table th{background:var(--soft);color:var(--title)}.site-footer{background:#438ddf;color:#fff;padding:54px 20px 24px}.footer-inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer-brand img{max-height:46px;filter:brightness(0) invert(1)}.footer-brand p{max-width:390px}.footer-links h2{font-size:17px;margin:0 0 12px;color:#fff}.footer-links a{display:block;color:#fff;text-decoration:none;padding:4px 0;opacity:.92}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk,.footer-copy{max-width:1160px;margin:26px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.24);font-size:14px;opacity:.94}.footer-copy{text-align:center;margin-top:18px;padding-top:18px}.maintenance{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--muted-bg)}.maintenance-card{width:min(560px,100%);padding:42px;text-align:center;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.maintenance-card img{max-height:54px;margin-bottom:24px}.maintenance-card h1{color:var(--title);margin:0 0 14px}.maintenance-card p{color:var(--muted)}
@media(max-width:1080px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:repeat(2,1fr)}.hero-grid{gap:32px}}
@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:56px 0}.container{width:min(100% - 32px,1160px)}.hero{padding:54px 0 42px}.hero-grid,.split{grid-template-columns:1fr;gap:34px}.split.reverse .feature-image{order:initial}.hero h1{font-size:40px}.hero-visual img{max-height:430px}.info-grid,.category-grid,.two-cards,.reviews{grid-template-columns:1fr}.category-card.full{grid-column:auto}.category-card{min-height:auto}.footer-inner{grid-template-columns:1fr}.footer-brand{padding-bottom:10px}.page-hero{padding:48px 0}.article{padding:48px 0}.step{padding-left:68px}.hero-points{grid-template-columns:1fr}.hero-actions .main-btn,.hero-actions .secondary-btn{flex:1 1 auto}.site-footer{padding-left:16px;padding-right:16px}}
@media(max-width:420px){.header-download{padding:0 11px}.hero h1{font-size:35px}.maintenance-card{padding:30px 20px}.menu-button{flex:0 0 44px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}