*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#EAF2FB;color:#24364F;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.82;overflow-x:hidden}a{color:#137CD8;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;width:100%;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 6px 18px rgba(19,124,216,.08)}.header-inner{max-width:1140px;min-height:66px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}.drawer-logo img,.footer-logo img{display:block;height:38px;width:auto;max-width:180px;object-fit:contain}.logo-text{font-size:22px;font-weight:800;color:#137CD8;white-space:nowrap}.logo-text.light{color:#EAF6FF}.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}.nav-core a{color:#24364F;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#137CD8;box-shadow:inset 0 -2px 0 #2FA8F7}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 18px;background:linear-gradient(135deg,#45C7FF 0%,#2FA8F7 48%,#137CD8 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 22px rgba(19,124,216,.18);touch-action:manipulation}.main-btn:hover{color:#fff;text-decoration:none}.main-btn.small{min-width:82px;padding:0 12px}.menu-btn{display:none;border:0;background:transparent;color:#137CD8;font-weight:800;min-height:40px;padding:0 4px}.header-action{flex:0 0 auto}.channel-bar{background:#F4F8FF;border-top:1px solid rgba(47,168,247,.12);border-bottom:1px solid rgba(47,168,247,.14)}.channel-inner{max-width:1140px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:thin}.channel-inner a{flex:0 0 auto;padding:10px 9px;color:#5D718A;font-size:14px;white-space:nowrap}.channel-inner a.is-current,.channel-inner a:hover{color:#137CD8;text-decoration:none}.mobile-drawer,.drawer-mask{display:none}body.drawer-open{overflow:hidden}.page-shell{max-width:1140px;margin:0 auto;padding:34px 72px 54px 16px}.breadcrumb{font-size:14px;color:#5D718A;margin:0 0 16px}.breadcrumb a{color:#5D718A}.hero-title{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:16px;padding:28px 30px;box-shadow:0 12px 26px rgba(19,124,216,.12);margin-bottom:24px}.hero-title h1{margin:0 0 10px;font-size:clamp(30px,4vw,42px);line-height:1.2;color:#137CD8}.hero-title p{margin:0;max-width:820px;color:#5D718A}.article{max-width:820px;margin:0 auto}.article.wide{max-width:100%}.article h2,.section-title{color:#137CD8;line-height:1.3;margin:30px 0 12px;font-size:26px}.article p{margin:0 0 18px}.article ul,.article ol{margin:0 0 20px;padding-left:1.35em}.notice-box,.legal-box,.intro-strip,.index-note{background:#F4F8FF;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:18px 20px;margin:20px 0}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.link-row a,.text-link{display:inline-flex;min-height:40px;align-items:center;padding:7px 12px;border-radius:10px;background:#fff;border:1px solid rgba(47,168,247,.18);font-weight:700}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#EDF5FF;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#5D718A;background:#EDF5FF;text-align:center;padding:20px;font-weight:700}.media.module{max-height:230px}.media.card-media{max-height:170px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center;margin:28px 0}.split.reverse .media{order:2}.split-text h2{margin-top:0}.text-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.text-grid a{display:block;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:18px;box-shadow:0 12px 26px rgba(19,124,216,.08);color:#24364F}.text-grid a:hover{text-decoration:none;border-color:#2FA8F7;transform:translateY(-1px)}.text-grid strong{display:block;color:#137CD8;font-size:19px;margin-bottom:4px}.text-grid span{display:block;color:#5D718A;font-size:14px;line-height:1.6}.app-strip{display:grid;grid-template-columns:180px 1fr auto;gap:18px;align-items:center;background:#fff;border-radius:16px;border:1px solid rgba(47,168,247,.14);padding:16px;margin-top:26px}.app-strip .media{height:94px;aspect-ratio:16/9}.home-carousel{position:relative;z-index:1;background:#fff;border-radius:16px;overflow:hidden;border:1px solid rgba(47,168,247,.14);box-shadow:0 12px 26px rgba(19,124,216,.10);height:280px;margin-bottom:26px}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease}.slide.is-active{opacity:1;pointer-events:auto}.slide .media{height:100%;border-radius:0;aspect-ratio:auto}.carousel-arrow{position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:#137CD8;font-size:24px;font-weight:800;box-shadow:0 6px 18px rgba(16,43,70,.15)}.carousel-arrow.prev{left:14px}.carousel-arrow.next{right:14px}.carousel-dots{position:absolute;z-index:2;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:7px}.dot{width:11px;height:11px;border-radius:50%;border:0;background:rgba(19,124,216,.25);padding:0}.dot.is-active{background:#137CD8}.steps{display:grid;gap:12px;margin:18px 0}.step{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:15px}.step b{display:flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:#EDF5FF;color:#137CD8}.two-questions{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}.question{background:#fff;border-left:4px solid #2FA8F7;padding:16px;border-radius:12px;box-shadow:0 8px 18px rgba(19,124,216,.07)}.mini-index{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.mini-index a{background:#F4F8FF;border:1px solid rgba(47,168,247,.14);border-radius:999px;padding:7px 12px}.faq-list details{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:16px 18px;margin:12px 0}.faq-list summary{cursor:pointer;font-weight:800;color:#137CD8}.faq-list details p{margin:12px 0 0}.site-footer{background:#102B46;color:#EAF6FF}.footer-grid{max-width:1140px;margin:0 auto;padding:40px 16px 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.site-footer h2{font-size:17px;color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#EAF6FF;margin:6px 0}.site-footer p{color:#cfe8ff}.footer-bottom{max-width:1140px;margin:0 auto;padding:16px;border-top:1px solid rgba(234,246,255,.18);display:flex;justify-content:space-between;gap:18px;font-size:14px;color:#cfe8ff}.side-float{position:fixed;right:10px;top:36%;z-index:8000;width:96px;background:#fff;border:1px solid rgba(47,168,247,.18);border-radius:14px;padding:8px;box-shadow:0 12px 26px rgba(19,124,216,.12);display:grid;gap:6px}.side-float a,.side-float button{min-height:40px;display:flex;align-items:center;justify-content:center;border:0;border-radius:9px;background:#fff;color:#137CD8;font:inherit;font-size:13px;font-weight:700;padding:6px;cursor:pointer}.side-float .main-btn{color:#fff;background:linear-gradient(135deg,#45C7FF 0%,#2FA8F7 48%,#137CD8 100%)}.mobile-bottom{display:none}
@media(max-width:980px){.nav-core,.channel-bar,.side-float{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:flex-start}.header-inner{min-height:62px;display:grid;grid-template-columns:1fr auto 1fr;gap:8px;padding:0 12px}.site-logo{justify-self:center}.site-logo img{max-width:130px;height:34px}.header-action{justify-self:end;min-width:74px;padding:0 12px;height:40px}.page-shell{padding:24px 14px 84px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16);overflow-y:auto;padding-bottom:26px}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.38);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(47,168,247,.14)}.drawer-close{min-height:40px;border:0;background:#F4F8FF;color:#137CD8;border-radius:10px;padding:0 12px;font-weight:700}.drawer-group{padding:14px;border-bottom:1px solid rgba(47,168,247,.12)}.drawer-group strong{display:block;color:#5D718A;font-size:13px;margin-bottom:6px}.drawer-group a{display:block;padding:9px 2px;color:#24364F}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:8500;background:#fff;border-top:1px solid rgba(47,168,247,.2);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;color:#137CD8;font-weight:700}.home-carousel{height:230px}.text-grid{grid-template-columns:repeat(2,1fr)}.split,.two-questions{grid-template-columns:1fr}.split.reverse .media{order:0}.app-strip{grid-template-columns:120px 1fr}.app-strip .main-btn{grid-column:1/-1;justify-self:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.hero-title{padding:22px 20px}.article{max-width:100%}}
@media(max-width:640px){body{font-size:16px;line-height:1.78}.site-logo img{max-width:112px;height:32px}.header-action{font-size:14px;min-width:68px;padding:0 10px}.menu-btn{font-size:14px}.hero-title h1{font-size:28px}.home-carousel{height:165px}.carousel-arrow{width:40px;height:40px}.text-grid{gap:10px}.text-grid a{padding:14px}.app-strip{grid-template-columns:1fr}.app-strip .media{height:120px}.footer-grid{grid-template-columns:1fr}.article h2,.section-title{font-size:23px}.page-shell{padding-left:12px;padding-right:12px}}
