:root{--bg:#E6EBF2;--panel:#fff;--panel2:#F5F7FB;--soft:#EEF2F7;--line:rgba(40,156,255,.16);--brand:#289CFF;--text:#243447;--muted:#66788A;--note:#8A9AAF;--nav:#4E5F7A;--shadow:0 14px 36px rgba(56,92,138,.12);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);backdrop-filter:blur(14px);box-shadow:0 8px 28px rgba(56,92,138,.10)}.header-inner{max-width:1280px;margin:auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{flex:0 0 auto}.logo img{max-height:50px;width:auto}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}.nav>a,.nav-trigger{position:relative;border:0;background:transparent;color:var(--nav);padding:23px 0 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a:hover{background:#fff;color:var(--brand)}body.drawer-open{overflow:hidden}.container{width:min(1200px,calc(100% - 32px));margin:auto}.section{padding:66px 0}.section.soft{background:rgba(238,242,247,.75)}.section-head{max-width:760px;margin:0 auto 30px;text-align:center}.section-kicker{display:inline-flex;padding:6px 12px;border-radius:999px;background:rgba(40,156,255,.10);color:var(--brand);font-weight:700;font-size:14px}.section h1,.section h2,.section h3,.page-hero h1{color:var(--brand);line-height:1.3}.section-head h2{font-size:clamp(26px,3vw,38px);margin:14px 0 10px}.section-head p{color:var(--muted);margin:0}.banner-wrap{width:min(1200px,calc(100% - 32px));margin:28px auto 38px}.banner-slider{position:relative;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden}.slides{display:flex;transition:transform .55s 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@media(max-width:640px){.section{padding:48px 0}.banner-wrap{width:calc(100% - 20px);margin:18px auto 26px}.banner-slider{overflow:visible;background:transparent;box-shadow:none}.slides{align-items:flex-start}.slide{display:grid;gap:12px}.slide-image{aspect-ratio:auto;min-height:0;border-radius:16px;overflow:hidden;box-shadow:0 12px 28px rgba(56,92,138,.12);background:#fff}.slide-image img{height:auto;max-height:none;object-fit:contain}.slide-caption{position:static;width:100%;padding:18px;border-radius:16px;background:#fff;box-shadow:0 10px 24px rgba(56,92,138,.10)}.slide-caption h2{font-size:21px}.slider-btn{top:calc(50vw * .38);width:38px;height:38px}.slider-prev{left:8px}.slider-next{right:8px}.slider-dots{position:static;margin-top:12px}.card-grid,.card-grid.three,.card-grid.two,.reviews,.steps,.feature-list{grid-template-columns:1fr}.content-box,.page-hero .hero-box,.article-block{padding:24px}.notice-band{align-items:flex-start;flex-direction:column}.footer-inner{grid-template-columns:1fr}.header-inner{grid-template-columns:58px 1fr 64px}.header-register{font-size:14px;padding:0 13px}.logo img{max-width:118px;max-height:40px}}