:root{--blue:#3f8fe5;--deep:#2875c7;--light:#eaf4ff;--bg:#fff;--soft:#f4f7fb;--soft2:#eef3f9;--title:#1f2d3d;--text:#34495e;--muted:#6f7f90;--line:#d8e4f0;--line2:#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:1.7;overflow-x:hidden}a{color:#2f83d8}img{max-width:100%}.skip-link{position:fixed;left:12px;top:-80px;z-index:20000;background:#fff;color:var(--deep);padding:10px 14px;border:1px 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 var(--line2);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;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(--deep);background:var(--light)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;color:#fff;background:var(--blue);border-radius:8px;text-decoration:none;box-shadow:0 10px 24px rgba(63,143,229,.22);position:relative;z-index:2;pointer-events:auto;touch-action:manipulation;border:1px solid var(--blue);font-weight:700;transition:.2s ease}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.main-btn:focus,.text-btn:focus,.text-link:focus,.menu-btn:focus,.drawer-close:focus{outline:3px solid rgba(63,143,229,.32);outline-offset:3px}.menu-btn{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:5px;cursor:pointer}.menu-btn span{display:block;width:20px;height:2px;background:var(--title);border-radius:2px}
.drawer-overlay{position:fixed;inset:0;background:rgba(31,45,61,.36);z-index:10000;opacity:0;transition:opacity .2s ease}.drawer-overlay.show{opacity:1}.drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:10001;transform:translateX(102%);transition:transform .22s ease;box-shadow:-18px 0 38px rgba(31,45,61,.16);padding:20px;overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line2)}.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(--title)}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:18px 0}.drawer-nav a{color:var(--text);text-decoration:none;padding:11px 12px;border-radius:8px;background:var(--soft)}.drawer-nav a:hover{background:var(--light);color:var(--deep)}.drawer-download{width:100%}.drawer-open{overflow:hidden}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.hero{position:relative;overflow:hidden;padding:72px 0 64px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.hero:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:#eaf4ff;right:-130px;top:-100px;filter:blur(1px)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;position:relative}.eyebrow{display:inline-block;font-size:14px;color:var(--deep);background:var(--light);padding:6px 10px;border-radius:999px;margin-bottom:14px;font-weight:700}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.16;margin:0 0 16px;color:var(--title);letter-spacing:-.5px}.hero-subtitle{font-size:clamp(20px,2.4vw,28px);line-height:1.4;color:var(--deep);margin:0 0 18px}.hero-copy{font-size:17px;color:var(--muted);max-width:720px;margin:0 0 26px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.text-btn{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--deep);background:#fff;font-weight:700}.hero-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px}.hero-links a{color:var(--deep);text-decoration:none;font-size:14px}.hero-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:24px 0 0;padding:0;list-style:none}.hero-points li{padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:14px}.hero-visual{position:relative}.hero-visual img{max-width:100%;height:auto;object-fit:contain;display:block;margin:auto;max-height:580px;filter:drop-shadow(0 22px 40px rgba(43,97,153,.16))}
.section{padding:76px 0}.section-light{background:var(--soft)}.section-head{max-width:760px;margin:0 auto 34px;text-align:center}.section-kicker{color:var(--deep);font-weight:700;font-size:14px;margin-bottom:7px}.section-title,h1,h2,h3{color:var(--title)}.section-title{font-size:clamp(28px,3.3vw,40px);line-height:1.25;margin:0 0 12px}.section-desc{margin:0;color:var(--muted)}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.category-card,.review-card,.faq-card,.article-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 8px;font-size:19px}.info-card p{margin:0;color:var(--muted);font-size:15px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:26px;transition:.2s ease;min-height:190px;display:flex;flex-direction:column}.category-card:hover{border-color:var(--blue);transform:translateY(-3px)}.category-card h3{color:var(--deep);margin:0 0 10px;font-size:21px}.category-card p{margin:0 0 16px;color:var(--muted);flex:1}.category-card.wide{grid-column:1/-1;min-height:auto}.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:52px;align-items:center}.split.reverse .feature-image{order:2}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.feature-copy h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin:0 0 16px}.feature-copy p{color:var(--muted);margin:0 0 16px}.feature-copy ul,.article-body ul{padding-left:20px}.feature-copy li,.article-body li{margin:8px 0}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.article-card{padding:30px}.article-card .feature-image{margin-bottom:22px}.article-card h2{font-size:27px;margin:0 0 12px}.notice-grid,.review-grid,.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.notice-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px}.notice-card .tag{font-size:12px;color:var(--deep);background:var(--light);padding:5px 8px;border-radius:999px}.notice-card h3{margin:12px 0 8px;font-size:18px}.notice-card p{margin:0;color:var(--muted);font-size:15px}.review-card,.faq-card{padding:24px}.review-card p,.faq-card p{margin:0;color:var(--muted)}.review-card strong,.faq-card h3{display:block;margin:0 0 10px;color:var(--title)}.risk-box{padding:28px;border:1px solid #b9d6f4;background:#f7fbff;border-radius:10px}.risk-box h2{margin-top:0}.risk-box p:last-child{margin-bottom:0}
.page-hero{padding:62px 0 44px;background:linear-gradient(180deg,#f7fbff,#fff)}.page-hero .container{max-width:900px}.page-hero h1{font-size:clamp(34px,4.4vw,50px)}.page-hero p{font-size:18px;color:var(--muted);margin:0}.article{padding:48px 0 78px}.article-body{max-width:900px;margin:0 auto}.article-body h2{font-size:28px;margin:42px 0 14px}.article-body h3{font-size:21px;margin:28px 0 10px}.article-body p{margin:0 0 17px;color:#4b5e70}.article-body .lead{font-size:18px;color:var(--text)}.article-body .callout{padding:20px 22px;background:var(--soft);border-left:4px solid var(--blue);border-radius:0 8px 8px 0;margin:24px 0}.steps{counter-reset:step;display:grid;gap:14px;margin:24px 0}.step{counter-increment:step;position:relative;padding:19px 20px 19px 62px;border:1px solid var(--line);border-radius:8px;background:#fff}.step:before{content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:700}.qa{padding:22px 0;border-bottom:1px solid var(--line2)}.qa h2,.qa h3{margin:0 0 8px;font-size:21px}.qa p{margin:0;color:#4b5e70}.mini-nav{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 34px}.mini-nav a{padding:8px 12px;border-radius:999px;background:var(--light);text-decoration:none;color:var(--deep);font-size:14px}.table-wrap{overflow-x:auto}.simple-table{width:100%;border-collapse:collapse;min-width:620px}.simple-table th,.simple-table td{border:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}.simple-table th{background:var(--soft);color:var(--title)}
.site-footer{background:#438ddf;color:#fff;padding:52px 20px 24px}.footer-inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:54px}.footer-logo{background:#fff;padding:8px 12px;border-radius:8px;width:max-content}.footer-brand p{max-width:600px;color:rgba(255,255,255,.92)}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px}.footer-links a{color:#fff;text-decoration:none}.footer-links a:hover{text-decoration:underline}.footer-risk{max-width:1160px;margin:34px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.28);font-size:14px;color:rgba(255,255,255,.9)}.footer-copy{max-width:1160px;margin:16px auto 0;font-size:13px;color:rgba(255,255,255,.78)}
@media(max-width:1050px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.wide{grid-column:1/-1}.notice-grid,.review-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:10px}.site-logo img{max-height:36px}.header-actions{gap:7px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.menu-btn{display:flex}.container{width:min(100% - 32px,1160px)}.hero{padding:48px 0 42px}.hero-grid,.split,.dual-grid,.footer-inner{grid-template-columns:1fr;gap:30px}.split.reverse .feature-image{order:0}.hero-copy{font-size:16px}.hero-actions{align-items:stretch}.hero-actions .main-btn,.hero-actions .text-btn{flex:1 1 160px}.hero-points{grid-template-columns:1fr}.hero-visual img{max-height:440px}.section{padding:56px 0}.info-grid,.category-grid,.notice-grid,.review-grid,.faq-grid{grid-template-columns:1fr;gap:16px}.category-card.wide{grid-column:auto}.category-card{min-height:0}.article-card{padding:22px}.drawer-nav{grid-template-columns:1fr}.page-hero{padding:42px 0 30px}.article{padding:32px 0 58px}.article-body h2{font-size:25px;margin-top:34px}.footer-links{grid-template-columns:1fr 1fr}.site-footer{padding-left:16px;padding-right:16px}}
@media(max-width:420px){.site-logo img{max-width:108px}.header-download{padding:0 11px;font-size:13px}.container{width:calc(100% - 32px)}.hero h1{font-size:34px}.hero-subtitle{font-size:20px}.footer-links{grid-template-columns:1fr}.drawer{width:90vw}}