:root{--blue:#4D8FF7;--blue-dark:#253B73;--cyan:#54D2F3;--text:#222;--muted:#5B6A82;--soft:#8795AA;--line:rgba(77,143,247,.12);--shadow:0 16px 40px rgba(37,59,115,.10);--footer:#1B2F5B}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}body.drawer-open{overflow:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(37,59,115,.08)}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.brand img{width:154px;max-height:48px;object-fit:contain}.desktop-nav{flex:1;display:flex;justify-content:center;gap:4px}.desktop-nav a{padding:10px 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var(--line);border-radius:30px;padding:32px;box-shadow:var(--shadow)}.app-visual{padding:12px;display:flex;justify-content:center}.app-visual img{max-height:360px}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px 15px;color:#36445c}.support-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px}.support-intro{background:linear-gradient(135deg,#EEF4FF,#EEF9FF);border-radius:26px;padding:30px}.support-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.support-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.support-card h3{margin:5px 0}.support-card p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px}.faq-item h3{margin:0 0 8px;font-size:19px}.faq-item p{margin:0;color:var(--muted)}.page-hero{padding:64px 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@media(max-width:1020px){.desktop-nav a{padding:9px 8px;font-size:14px}.header-inner{gap:16px}.zone-wall{grid-template-columns:repeat(2,1fr)}.info-board{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
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@media(max-width:560px){.container{width:min(100% - 24px,1180px)}.hero-copy h1{font-size:38px}.section{padding:54px 0}.section-title{font-size:31px}.info-board,.zone-wall,.support-cards,.check-grid,.sidebar{grid-template-columns:1fr}.quick-pill{flex-basis:190px}.feature-row{gap:24px;margin-bottom:42px}.feature-copy h2{font-size:28px}.app-section,.article{padding:22px}.footer-grid{grid-template-columns:1fr}.table-row{grid-template-columns:1fr;gap:6px}.mobile-brand img{width:112px}.mobile-main-btn{padding:8px 12px}.page-hero{padding:48px 0}.page-hero h1{font-size:38px}}