*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F4FBFF;color:#223044;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:#0877C9;text-underline-offset:3px}
img{max-width:100%}
button,input,select,textarea{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(8,119,201,.08)}
.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.logo-link{display:flex;align-items:center;min-width:168px;text-decoration:none}
.site-logo{display:inline-flex;align-items:center;max-width:168px}
.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}
.logo-placeholder{display:block;width:154px;height:38px;border-radius:10px;background:#EAF7FF;border:1px solid rgba(28,168,246,.12)}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;white-space:nowrap}
.nav-core a{color:#1D2A3A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{color:#0877C9;border-bottom:2px solid #1CA8F6}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 12px 26px rgba(8,119,201,.18)}
.header-action{flex:0 0 auto}
.menu-toggle{display:none;width:42px;height:42px;border:0;border-radius:11px;background:#EAF7FF;padding:10px;cursor:pointer}
.menu-toggle span{display:block;height:2px;margin:4px 0;background:#0877C9;border-radius:2px}
.channel-strip{background:#EAF7FF;border-bottom:1px solid rgba(28,168,246,.12)}
.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.channel-inner a{display:block;padding:10px 12px;color:#5F7082;text-decoration:none;font-size:14px}
.channel-inner a:hover,.channel-inner a.is-current{color:#0877C9;font-weight:700}

.mobile-drawer,
.drawer-mask{display:none}

.site-main{min-height:60vh}
.page-shell,.home-shell{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}
.section-space{padding:54px 0}
.section-tight{padding:32px 0}
.page-hero{padding:58px 0 30px}
.page-hero h1{margin:0 0 14px;color:#0877C9;font-size:clamp(34px,4.2vw,46px);line-height:1.18}
.page-hero p{max-width:840px;margin:0;color:#5F7082;font-size:18px}
.kicker{display:inline-block;margin-bottom:12px;color:#0877C9;font-size:14px;font-weight:700;letter-spacing:.08em}
.section-title{margin:0 0 14px;color:#0877C9;font-size:28px;line-height:1.35}
.section-lead{margin:0 0 24px;color:#5F7082}
.reading{max-width:820px}
.reading p{margin:0 0 18px}
.reading h2{margin:34px 0 12px;color:#0877C9;font-size:25px;line-height:1.45}
.reading h3{margin:26px 0 10px;color:#1D2A3A;font-size:19px}
.reading ul,.reading ol{padding-left:22px}
.reading li{margin:8px 0}
.soft-panel,.white-panel{border:1px solid rgba(28,168,246,.12);border-radius:16px;box-shadow:0 16px 40px rgba(8,119,201,.08)}
.soft-panel{background:#EAF7FF;padding:24px}
.white-panel{background:#FFFFFF;padding:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.text-card{background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:15px;padding:22px;box-shadow:0 16px 40px rgba(8,119,201,.08)}
.text-card h2,.text-card h3{margin:0 0 10px;color:#0877C9;line-height:1.4}
.text-card p{margin:0;color:#5F7082}
.text-card a{font-weight:700}
.link-list{display:flex;flex-wrap:wrap;gap:10px}
.link-list a{background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:999px;padding:8px 14px;text-decoration:none}
.note-line{border-left:4px solid #1CA8F6;background:#FFFFFF;padding:16px 18px;border-radius:0 12px 12px 0;color:#5F7082}
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-links a{display:block;background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:14px;padding:18px;text-decoration:none;font-weight:700}
.path-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.path-step{background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:14px;padding:22px}
.path-step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#EAF7FF;color:#0877C9;font-weight:800;margin-bottom:10px}
.path-step h2,.path-step h3{margin:0 0 8px;color:#0877C9}
.mini-toc{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 4px}
.mini-toc a{padding:8px 12px;border:1px solid rgba(28,168,246,.12);border-radius:999px;background:#FFFFFF;text-decoration:none}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#EAF7FF;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;background:#EAF7FF}
.media-card{height:164px;aspect-ratio:auto}
.media-wide{height:228px;aspect-ratio:auto}
.media-wide>.media{height:100%;aspect-ratio:auto}
.hero-slider{position:relative;margin-top:26px;height:330px;border-radius:16px;background:#FFFFFF;overflow:hidden;box-shadow:0 16px 40px rgba(8,119,201,.08)}
.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%;aspect-ratio:auto;border-radius:0;background:#FFFFFF}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#0877C9;font-size:24px;cursor:pointer;box-shadow:0 8px 24px rgba(8,119,201,.12)}
.slider-prev{left:14px}.slider-next{right:14px}
.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:4;display:flex;gap:8px}
.slider-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#9FDFFF;cursor:pointer}
.slider-dot.is-active{background:#0877C9}
.magazine-grid{display:grid;grid-template-columns:58fr 42fr;gap:24px;align-items:stretch}
.magazine-lead{background:#FFFFFF;border-radius:16px;padding:26px;border:1px solid rgba(28,168,246,.12);box-shadow:0 16px 40px rgba(8,119,201,.08)}
.magazine-lead .media{height:230px;aspect-ratio:auto;margin-bottom:20px}
.magazine-lead h2{color:#0877C9;font-size:30px;margin:0 0 10px}
.stack-cards{display:grid;gap:16px}
.stack-cards .text-card{display:flex;flex-direction:column;justify-content:center;min-height:0}
.topic-scroller{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:thin}
.topic-scroller a{flex:0 0 auto;padding:9px 15px;border:1px solid rgba(28,168,246,.12);border-radius:999px;background:#FFFFFF;text-decoration:none;font-weight:700;color:#0877C9}
.boundary-note{max-width:840px;margin:0 auto;background:#FFFFFF;border-left:4px solid #1CA8F6;padding:22px 24px;border-radius:0 16px 16px 0;box-shadow:0 16px 40px rgba(8,119,201,.08)}
.quick-float{position:fixed;right:14px;top:42%;z-index:8000;display:grid;gap:8px;width:96px}
.quick-float a,.quick-float button{display:block;text-align:center;border:1px solid rgba(28,168,246,.12);background:#FFFFFF;color:#0877C9;border-radius:12px;padding:10px 8px;text-decoration:none;font-size:13px;box-shadow:0 10px 24px rgba(8,119,201,.08)}
.quick-float .float-register{background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#FFFFFF;border:0}
.quick-float button{cursor:pointer}
.site-footer{margin-top:56px;background:#082A46;color:#EAF8FF}
.footer-grid{max-width:1180px;margin:0 auto;padding:46px 18px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-grid h2{margin:0 0 12px;font-size:17px;color:#FFFFFF}
.footer-grid a{display:block;color:#EAF8FF;text-decoration:none;margin:6px 0}
.footer-brand p{margin:16px 0 0;max-width:420px;color:#CBE9F7}
.footer-brand .site-logo{max-width:168px}
.footer-bottom{max-width:1180px;margin:0 auto;padding:18px;border-top:1px solid rgba(234,248,255,.18);display:flex;justify-content:space-between;gap:20px;color:#CBE9F7;font-size:14px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.faq-list{display:grid;gap:14px}
.faq-item{background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:15px;padding:22px}
.faq-item h2{margin:0 0 10px;color:#0877C9;font-size:20px}
.faq-item p{margin:0}
.service-index{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-index a{display:block;text-decoration:none;background:#FFFFFF;border:1px solid rgba(28,168,246,.12);border-radius:15px;padding:20px;box-shadow:0 16px 40px rgba(8,119,201,.08)}
.service-index strong{display:block;color:#0877C9;margin-bottom:6px}
.service-index span{color:#5F7082}
@media(min-width:1181px){.site-main>.page-shell,.site-main>.home-shell{padding-right:78px}}
@media(max-width:1180px){.quick-float{display:none}}
@media(max-width:980px){
.header-inner{min-height:66px;display:grid;grid-template-columns:42px 1fr auto;gap:10px}
.menu-toggle{display:block}.nav-core{display:none}.logo-link{min-width:0;justify-self:center}
.site-logo img{height:36px;max-width:148px}.logo-placeholder{width:140px;height:34px}
.header-action{height:40px;min-width:86px;padding:0 15px;font-size:14px}.channel-strip{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(8,119,201,.16)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(8,42,70,.42);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{height:68px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(28,168,246,.12)}
.drawer-head a{display:flex;align-items:center}.drawer-close{width:40px;height:40px;border:0;border-radius:10px;background:#EAF7FF;color:#0877C9;font-size:26px;cursor:pointer}
.drawer-scroll{height:calc(100vh - 68px);overflow-y:auto;padding:12px 16px 30px}
.drawer-group{padding:8px 0 12px;border-bottom:1px solid rgba(28,168,246,.12)}
.drawer-group h2{font-size:14px;color:#7A8A9A;margin:0 0 6px}.drawer-group a{display:block;padding:8px 4px;color:#1D2A3A;text-decoration:none}
.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:62px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#FFFFFF;border-top:1px solid rgba(28,168,246,.12);box-shadow:0 -8px 24px rgba(8,119,201,.06)}
.mobile-bottom a{display:grid;place-items:center;color:#0877C9;text-decoration:none;font-size:14px;font-weight:700}
body{padding-bottom:62px}.hero-slider{height:260px}.magazine-grid{grid-template-columns:1fr}
.grid-3,.grid-4,.service-index{grid-template-columns:repeat(2,1fr)}.page-hero{padding:42px 0 24px}.section-space{padding:42px 0}
.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}
}
@media(max-width:700px){
.page-shell,.home-shell{padding-left:14px;padding-right:14px}.page-hero h1{font-size:clamp(26px,8vw,32px)}.page-hero p{font-size:16px}.section-title{font-size:24px}
.grid-2,.grid-3,.grid-4,.related-links,.path-steps,.service-index{grid-template-columns:1fr}
.hero-slider{height:180px;margin-top:16px}.slider-prev,.slider-next{width:34px;height:34px;font-size:20px}
.magazine-lead{padding:20px}.magazine-lead .media{height:200px}.magazine-lead h2{font-size:26px}
.text-card,.white-panel,.soft-panel{padding:20px}.section-space{padding:34px 0}.section-tight{padding:24px 0}
.footer-grid{grid-template-columns:1fr;padding:36px 16px;gap:20px}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;padding:16px}
}
@media(max-width:430px){.header-inner{padding:0 10px}.site-logo img{height:34px;max-width:132px}.logo-placeholder{width:126px;height:32px}.header-action{min-width:82px;padding:0 12px}.hero-slider{height:168px}.media-wide{height:205px}}