.sms4u-home-content{max-width:1180px;margin:0 auto;padding:6px 18px 72px;color:#16213a;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.sms4u-home-content *{box-sizing:border-box}.sms4u-home-content a{color:inherit;text-decoration:none}.s4u-band{margin-top:26px;padding:34px;border:1px solid #e5ebf5;border-radius:18px;background:linear-gradient(135deg,#f6f9ff 0%,#fff 52%,#f8fbff 100%)}.s4u-eyebrow{margin:0 0 10px;color:#2563eb;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.s4u-band h2{max-width:720px;margin:0;font-size:28px;line-height:1.35;letter-spacing:-.02em}.s4u-band>p:last-child{max-width:760px;margin:14px 0 0;color:#61708a;line-height:1.8}.s4u-stat-grid,.s4u-grid{display:grid;gap:14px}.s4u-stat-grid{grid-template-columns:repeat(3,1fr);margin-top:25px}.s4u-stat{padding:17px;background:rgba(255,255,255,.88);border:1px solid #e4eaf5;border-radius:12px}.s4u-stat b{display:block;font-size:19px}.s4u-stat span{display:block;margin-top:6px;color:#74819a;font-size:13px}.s4u-section{margin-top:48px}.s4u-section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:17px}.s4u-section-head h2{margin:0;font-size:23px}.s4u-section-head p{margin:0;color:#718099;font-size:14px;line-height:1.5}.s4u-grid{grid-template-columns:repeat(3,1fr)}.s4u-feature,.s4u-step,.s4u-link-card,.s4u-faq{border:1px solid #e7ebf2;border-radius:14px;background:#fff}.s4u-feature{padding:22px}.s4u-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:11px;background:#edf4ff;color:#2563eb;font-weight:800}.s4u-feature h3{margin:15px 0 8px;font-size:16px}.s4u-feature p{margin:0;color:#718099;font-size:14px;line-height:1.7}.s4u-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.s4u-step{position:relative;padding:20px}.s4u-step b{display:block;color:#2563eb;font-size:13px}.s4u-step h3{margin:11px 0 6px;font-size:16px}.s4u-step p{margin:0;color:#718099;font-size:13px;line-height:1.65}.s4u-link-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.s4u-link-card{min-height:88px;padding:15px;transition:transform .18s,border-color .18s,box-shadow .18s}.s4u-link-card:hover{border-color:#a7c5ff;box-shadow:0 8px 20px rgba(37,99,235,.09);transform:translateY(-2px)}.s4u-link-card b{display:block;font-size:15px}.s4u-link-card span{display:block;margin-top:7px;color:#718099;font-size:12px}.s4u-faq{padding:18px 20px}.s4u-faq h3{margin:0;font-size:15px}.s4u-faq p{margin:9px 0 0;color:#718099;font-size:14px;line-height:1.7}.s4u-bottom{margin-top:46px;padding:27px 30px;border-radius:16px;background:#182b55;color:#fff}.s4u-bottom h2{margin:0;font-size:23px}.s4u-bottom p{margin:10px 0 0;color:#c8d4ee;line-height:1.7}.s4u-bottom-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.s4u-bottom-links a{padding:9px 12px;border:1px solid rgba(255,255,255,.26);border-radius:8px;font-size:13px}.s4u-bottom-links a:hover{background:rgba(255,255,255,.1)}@media(max-width:760px){.sms4u-home-content{padding:4px 14px 42px}.s4u-band{margin-top:18px;padding:24px 19px;border-radius:15px}.s4u-band h2{font-size:23px}.s4u-stat-grid,.s4u-grid{grid-template-columns:1fr}.s4u-stat-grid{gap:9px;margin-top:19px}.s4u-stat{padding:14px}.s4u-section{margin-top:34px}.s4u-section-head{display:block;margin-bottom:13px}.s4u-section-head h2{font-size:20px}.s4u-section-head p{margin-top:7px}.s4u-feature{padding:18px}.s4u-step-grid{grid-template-columns:1fr 1fr;gap:9px}.s4u-step{padding:16px}.s4u-link-grid{grid-template-columns:1fr 1fr}.s4u-link-card{min-height:76px}.s4u-bottom{margin-top:34px;padding:23px 19px;border-radius:14px}.s4u-bottom h2{font-size:20px}}