*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#EAF2FB;color:#24364F;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}
a{color:#137CD8;text-decoration:none}a:hover{text-decoration:none}
img{max-width:100%}button,a{touch-action:manipulation}
button{font:inherit}.container{width:min(1160px,calc(100% - 36px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9000;width:100%;background:#FFFFFF;border-bottom:1px solid rgba(47,168,247,.18)}
.header-inner{max-width:1160px;min-height:68px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:36px;width:auto;max-width:150px;object-fit:contain}
.logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:112px;height:36px;padding:0 12px;border-radius:9px;background:#EDF5FF;color:#137CD8;font-weight:800;letter-spacing:.04em}.logo-fallback-dark{background:rgba(255,255,255,.10);color:#EAF6FF}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}.nav-core a{color:#24364F;padding:8px 12px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#137CD8;background:#F4F8FF;border-radius:999px}
.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}
.menu-toggle{display:none;border:0;background:transparent;color:#137CD8;font-weight:800;min-height:40px;padding:0 8px;cursor:pointer}.header-action{flex:0 0 auto}
.channel-strip{background:#FFFFFF;border-top:1px solid rgba(47,168,247,.09)}.channel-inner{max-width:1160px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{position:relative;display:inline-flex;align-items:center;height:44px;white-space:nowrap;color:#5D718A;font-size:14px;font-weight:700}.channel-inner a:hover,.channel-inner a.is-current{color:#137CD8}.channel-inner a.is-current:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#137CD8}

.noscript-nav{background:#F7FBFF;border-bottom:1px solid rgba(47,168,247,.14)}.noscript-nav .container{display:flex;flex-wrap:wrap;gap:8px 16px;padding-top:10px;padding-bottom:10px}.noscript-nav a{color:#137CD8;font-weight:700;font-size:14px;min-height:40px;display:inline-flex;align-items:center}

.mobile-drawer,.drawer-mask{display:none}
main{min-height:62vh}.page-hero,.section{padding:42px 0}.page-hero.compact{padding:32px 0 20px}.hero-grid,.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:28px;align-items:center}.split.reverse{grid-template-columns:minmax(0,3fr) minmax(0,2fr)}
.eyebrow{margin:0 0 10px;color:#137CD8;font-size:14px;font-weight:800;letter-spacing:.06em}.page-title{margin:0;color:#137CD8;font-size:clamp(32px,4.2vw,40px);line-height:1.25}.lead{font-size:18px;line-height:1.85;margin:16px 0 20px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.breadcrumb{padding:18px 0 0;font-size:14px;color:#5D718A}.breadcrumb a{color:#5D718A}.breadcrumb span{margin:0 7px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#EDF5FF;aspect-ratio:16/9;z-index:1}.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;background:#EDF5FF;color:#5D718A;font-size:14px}.hero-media{min-height:240px;max-height:300px}.content-media{min-height:190px;max-height:230px}.gallery-media{height:140px;aspect-ratio:auto}.gallery-media>img,.gallery-media .media-placeholder{height:100%}
.static-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:10px}.section-title{margin:0 0 14px;color:#137CD8;font-size:28px;line-height:1.35}.section-intro{max-width:780px;margin:0 0 22px;color:#5D718A}
.directory{background:#FFFFFF;border:1px solid rgba(47,168,247,.14);border-radius:12px;box-shadow:0 10px 24px rgba(19,124,216,.10);overflow:hidden}.directory-row{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid rgba(47,168,247,.12)}.directory-row:last-child{border-bottom:0}.directory-row strong a{color:#137CD8}.directory-row p{margin:0;color:#5D718A}
.notice-strip{padding:18px 20px;border:1px solid rgba(47,168,247,.14);background:#F4F8FF;border-radius:12px;color:#24364F}
.article{width:min(820px,calc(100% - 36px));margin:0 auto 44px;background:#FFFFFF;border:1px solid rgba(47,168,247,.14);border-radius:12px;box-shadow:0 10px 24px rgba(19,124,216,.10);padding:30px}.article.wide{width:min(1160px,calc(100% - 36px))}.article h2{margin:30px 0 10px;color:#137CD8;font-size:24px;line-height:1.4}.article h2:first-child{margin-top:0}.article p{margin:10px 0}.article ul,.article ol{padding-left:1.3em}.article li{margin:7px 0}.article .content-media{margin:22px 0}.article-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.text-link{display:inline-flex;min-height:40px;align-items:center;padding:0 14px;border:1px solid rgba(47,168,247,.20);border-radius:10px;background:#F7FBFF;color:#137CD8;font-weight:700}
.triad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0}.info-box{background:#F7FBFF;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:18px}.info-box h2,.info-box h3{margin:0 0 8px;color:#137CD8;font-size:20px}.info-box p{margin:0}.steps{counter-reset:step;display:grid;gap:12px;margin:18px 0}.step{position:relative;padding:16px 18px 16px 56px;background:#F7FBFF;border:1px solid rgba(47,168,247,.14);border-radius:12px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#137CD8;color:#fff;font-weight:800}
.note-list{display:grid;gap:12px}.note-line{padding:14px 0;border-bottom:1px solid rgba(47,168,247,.14)}.note-line:last-child{border-bottom:0}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}.tag-list a{padding:7px 11px;border-radius:999px;background:#EDF5FF;color:#137CD8;font-weight:700;font-size:14px}
.faq-list{display:grid;gap:16px}.faq-item{background:#F7FBFF;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:18px}.faq-item h2{font-size:20px;margin:0 0 8px}.faq-item p{margin:0}
.site-footer{background:#102B46;color:#EAF6FF;padding:38px 0 18px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}.site-footer h2{font-size:16px;color:#FFFFFF;margin:0 0 10px}.site-footer p{margin:12px 0 0;color:#D8ECFF}.site-footer a{display:block;color:#EAF6FF;margin:7px 0}.footer-bottom{margin-top:26px;padding-top:18px;border-top:1px solid rgba(234,246,255,.15);display:flex;justify-content:space-between;gap:20px;color:#D8ECFF;font-size:13px}.footer-logo img{height:34px}
.side-tools{position:fixed;right:12px;top:50%;transform:translateY(-50%);z-index:8000;display:grid;gap:8px;width:92px}.side-tools a,.side-tools button{min-height:40px;padding:8px;border:1px solid rgba(47,168,247,.18);border-radius:10px;background:#FFFFFF;color:#137CD8;font-weight:800;text-align:center;box-shadow:0 8px 20px rgba(19,124,216,.10);cursor:pointer}.side-tools .side-register{background:linear-gradient(135deg,#45C7FF 0%,#2FA8F7 48%,#137CD8 100%);color:#FFFFFF}.mobile-bottom{display:none}
@media(min-width:981px){main{padding-right:56px}}
@media(max-width:980px){
  body{padding-bottom:66px}.header-inner{min-height:62px;padding:0 12px;gap:8px}.menu-toggle{display:inline-flex;align-items:center;justify-content:flex-start;width:72px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:32px;max-width:126px}.logo-fallback{min-width:96px;height:32px;font-size:14px}.header-action{height:40px;min-width:76px;padding:0 12px;font-size:14px;margin-left:auto}.nav-core,.channel-strip{display:none}.side-tools{display:none}
  .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}.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}
  body.drawer-open{overflow:hidden}.drawer-head{min-height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(47,168,247,.14)}.drawer-logo img{height:32px;max-width:126px}.drawer-close{min-height:40px;border:0;background:#F4F8FF;color:#137CD8;border-radius:9px;padding:0 12px;font-weight:800;cursor:pointer}.drawer-nav{padding:14px 16px 28px}.drawer-nav section{margin-bottom:18px}.drawer-nav h2{margin:0 0 7px;font-size:13px;color:#5D718A}.drawer-nav a{display:block;min-height:42px;padding:8px 6px;color:#24364F;border-bottom:1px solid rgba(47,168,247,.08)}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8500;display:grid;grid-template-columns:repeat(4,1fr);background:#FFFFFF;border-top:1px solid rgba(47,168,247,.2)}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;color:#137CD8;font-weight:800;font-size:14px}
  main{padding-right:0}.page-hero,.section{padding:28px 0}.page-hero.compact{padding:24px 0 16px}.hero-grid,.split,.split.reverse{grid-template-columns:1fr;gap:18px}.split.reverse .split-text{order:1}.split.reverse .media{order:2}.page-title{font-size:clamp(26px,8vw,32px)}.lead{font-size:16px}.hero-media{min-height:150px;max-height:190px}.content-media{min-height:190px;max-height:230px}.static-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.gallery-media{height:130px}.directory-row{grid-template-columns:1fr;gap:6px;padding:15px}.article{width:min(100% - 24px,820px);padding:22px;margin-bottom:28px}.article.wide{width:min(100% - 24px,1160px)}.triad{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:20px}.footer-bottom{flex-direction:column}.section-title{font-size:24px}
}
@media(max-width:390px){.header-inner{padding:0 8px}.menu-toggle{width:64px;font-size:14px}.header-action{min-width:70px;padding:0 10px}.site-logo img{max-width:112px}.logo-fallback{min-width:86px;padding:0 8px}}