:root{--blue:#3f8fe5;--blue-dark:#2875c7;--blue-soft:#eaf4ff;--bg:#fff;--light:#f4f7fb;--light2:#eef3f9;--title:#1f2d3d;--text:#34495e;--muted:#6f7f90;--hint:#8c99a8;--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:1.7;overflow-x:hidden}a{color:#2f83d8}img{max-width:100%}button,a{touch-action:manipulation}.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;gap:8px;white-space:nowrap}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px}.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:8px;text-decoration:none;font-weight:700;position:relative;z-index:2;pointer-events:auto;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,.secondary-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.secondary-btn{color:var(--blue-dark);background:#fff;border:1px solid var(--border)}.secondary-btn:hover{border-color:var(--blue);background:var(--blue-soft)}.menu-toggle{width:44px;height:44px;border:1px solid var(--border);border-radius:8px;background:#fff;display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:3px}.drawer-overlay{position:fixed;inset:0;background:rgba(31,45,61,.28);z-index:10000;opacity:0;transition:.22s}.drawer-overlay.show{opacity:1}.site-drawer{position:fixed;right:0;top:0;height:100dvh;width:min(380px,88vw);background:#fff;z-index:10001;transform:translateX(105%);transition:transform .24s ease;box-shadow:-20px 0 50px rgba(31,45,61,.14);overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{min-height:70px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-close{width:44px;height:44px;border:0;background:var(--light);border-radius:8px;font-size:30px;line-height:1;cursor:pointer}.drawer-nav{padding:14px}.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-dark)}body.drawer-open{overflow:hidden}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.hero{padding:74px 0 60px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:56px}.eyebrow{display:inline-block;margin-bottom:14px;color:var(--blue-dark);font-weight:700;letter-spacing:.06em}.hero h1,.page-hero h1{font-size:clamp(36px,5vw,58px);line-height:1.15;margin:0 0 18px;color:var(--title);letter-spacing:-.03em}.hero .subtitle{font-size:clamp(20px,2.3vw,28px);color:var(--blue-dark);margin:0 0 18px;font-weight:700}.lead{font-size:17px;color:var(--muted);margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 16px}.hero-links{display:flex;flex-wrap:wrap;gap:18px}.hero-links a{text-decoration:none}.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin:26px 0 0;padding:0;list-style:none}.hero-points li{padding-left:18px;position:relative}.hero-points li:before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;background:var(--blue);border-radius:50%}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:8% -6% 6% 7%;background:var(--blue-soft);border-radius:40px;transform:rotate(-3deg);z-index:0}.hero-visual img{position:relative;z-index:1;max-width:100%;height:auto;object-fit:contain;display:block;margin:auto}.section{padding:72px 0}.section-light{background:var(--light)}.section-title{color:var(--title);font-size:clamp(28px,4vw,40px);margin:0 0 14px;line-height:1.25}.section-intro{max-width:760px;color:var(--muted);margin:0 0 34px}.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.info-card,.category-card,.review-card,.faq-card,.article-card{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:24px}.info-card h3,.category-card h3,.article-card h3{margin:0 0 8px;color:var(--title)}.info-card p,.category-card p,.review-card p{margin:0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.category-card{padding:26px;text-decoration:none;color:inherit;transition:.2s ease;min-height:170px}.category-card:hover{border-color:var(--blue);transform:translateY(-3px)}.category-card.full{grid-column:1/-1;min-height:auto}.category-card .text-link{display:inline-block;margin-top:12px;font-weight:700}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.feature-row.reverse .feature-image{order:2}.feature-image{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.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;color:var(--title);margin:0 0 16px}.feature-copy p{color:var(--muted);margin:0 0 18px}.feature-copy ul,.article-content ul{padding-left:20px}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.dual-panel{padding:30px;background:#fff;border:1px solid var(--border);border-radius:12px}.dual-panel img{max-height:260px;margin:0 auto 20px}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card{padding:24px}.review-card strong{color:var(--blue-dark);display:block;margin-top:12px}.faq-list{display:grid;gap:14px}.faq-card{padding:22px}.faq-card h3{margin:0 0 8px;color:var(--title);font-size:18px}.faq-card p{margin:0;color:var(--muted)}.risk-box{padding:26px;border-left:4px solid var(--blue);background:var(--blue-soft);border-radius:8px}.risk-box h3{margin-top:0;color:var(--title)}.page-hero{padding:62px 0 44px;background:linear-gradient(180deg,#f8fbff,#fff)}.page-hero .lead{max-width:820px}.article-shell{padding:48px 0 72px}.article-content{max-width:900px;margin:0 auto;font-size:17px}.article-content h2{color:var(--title);font-size:28px;margin:40px 0 14px}.article-content h3{color:var(--title);font-size:21px;margin:28px 0 10px}.article-content p{margin:0 0 16px}.article-content .article-card{padding:24px;margin:22px 0}.notice-list{display:grid;gap:18px}.notice-item{padding:24px;border:1px solid var(--border);background:#fff;border-radius:10px}.notice-item .tag{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:13px;font-weight:700}.notice-item h2{margin:10px 0 8px;font-size:22px}.site-footer{background:#438ddf;color:#fff}.footer-inner{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:52px 0 32px;display:grid;grid-template-columns:1.2fr 1.8fr;gap:54px}.footer-logo img{filter:brightness(0) invert(1)}.footer-brand p{max-width:460px;color:rgba(255,255,255,.9)}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.footer-links h3{font-size:16px;margin:0 0 10px}.footer-links a{display:block;color:#fff;text-decoration:none;opacity:.9;padding:3px 0}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk,.footer-copy{width:min(1160px,calc(100% - 40px));margin:0 auto;border-top:1px solid rgba(255,255,255,.22);padding:18px 0;color:rgba(255,255,255,.9)}.footer-copy{font-size:14px;padding-top:0;border-top:0;padding-bottom:26px}.text-link{color:#2f83d8}.muted{color:var(--muted)}.center{text-align:center}
@media(max-width:1020px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{gap:30px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card.full{grid-column:1/-1}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:36px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.menu-toggle{width:44px;height:44px}.container{width:min(100% - 32px,1160px)}.hero{padding:44px 0}.hero-grid,.feature-row,.dual-grid,.footer-inner{grid-template-columns:1fr}.feature-row.reverse .feature-image{order:0}.hero-visual{margin-top:12px}.hero-points{grid-template-columns:1fr}.section{padding:54px 0}.info-grid,.category-grid,.review-grid{grid-template-columns:1fr}.category-card.full{grid-column:auto}.footer-inner{gap:26px}.footer-links{grid-template-columns:1fr 1fr}.page-hero{padding:42px 0 26px}.article-shell{padding:34px 0 54px}.article-content{font-size:16px}.hero-actions .main-btn,.hero-actions .secondary-btn{flex:1 1 180px}}
@media(max-width:480px){.header-download{padding:0 11px}.footer-links{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:34px}.section-title{font-size:28px}.feature-copy h2{font-size:28px}}