*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#FFFFFF;color:#222222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:#1E63D6;text-decoration:none}
a:hover{color:#E8212E}
img{max-width:100%}
button{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(16,43,106,.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}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;text-decoration:none}
.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}
.logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:118px;height:40px;padding:0 14px;border-radius:10px;background:#F2F6FF;color:#102B6A;font-weight:800;letter-spacing:.04em}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;flex:1}
.nav-core a{color:#102B6A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{color:#E8212E;border-bottom:2px solid #1E63D6}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(135deg,#E8212E 0%,#D91838 42%,#1E63D6 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 12px 26px rgba(232,33,46,.22)}
.main-btn:hover{color:#fff;filter:brightness(.98)}
.menu-toggle{display:none;border:0;background:#F2F6FF;color:#102B6A;width:42px;height:42px;border-radius:10px;font-size:24px;cursor:pointer}
.channel-strip{background:#F6F8FF;border-top:1px solid rgba(30,99,214,.08)}
.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:18px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.channel-inner a{display:inline-flex;align-items:center;height:42px;color:#5F6472;font-size:14px}
.channel-inner a:hover{color:#E8212E}
.site-main{min-height:60vh}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.reading{width:min(820px,calc(100% - 36px));margin:0 auto}
.section{padding:56px 0}
.section-sm{padding:36px 0}
.soft-section{background:#F6F8FF}
.eyebrow{display:inline-flex;padding:6px 10px;border-radius:999px;background:#FFF3F4;color:#B90018;font-size:13px;font-weight:700;margin-bottom:12px}
.hero-title{margin:0;color:#102B6A;font-size:clamp(34px,4vw,46px);line-height:1.18;letter-spacing:-.02em}
.lead{font-size:18px;line-height:1.85;color:#5F6472;max-width:820px;margin:18px 0 0}
.section-title{color:#102B6A;font-size:28px;margin:0 0 18px}
.sub-title{color:#102B6A;font-size:21px;margin:0 0 10px}
p{font-size:16px;line-height:1.82}
.muted{color:#5F6472}
.text-link{font-weight:700}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#F6F8FF;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{display:flex;align-items:center;justify-content:center;color:#8A91A3;border:1px dashed rgba(30,99,214,.22)}
.media-placeholder span{font-size:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid rgba(30,99,214,.12);border-radius:16px;padding:22px;box-shadow:0 16px 40px rgba(16,43,106,.08)}
.card.soft{background:#F2F6FF}
.card h2,.card h3{color:#102B6A;margin-top:0}
.link-list{display:grid;gap:10px}
.link-list a{padding:12px 14px;border-radius:10px;background:#F6F8FF}
.article p{margin:0 0 18px}
.article h2{color:#102B6A;margin:34px 0 12px;font-size:25px}
.article h3{color:#102B6A;margin:28px 0 10px;font-size:20px}
.article ul,.article ol{line-height:1.9;padding-left:1.3em}
.note{padding:18px 20px;border-left:4px solid #1E63D6;background:#F2F6FF;border-radius:12px}
.alert-note{padding:18px 20px;border-left:4px solid #E8212E;background:#FFF3F4;border-radius:12px}
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:#5F6472;margin-bottom:18px}
.breadcrumb a{color:#5F6472}
.page-hero{padding:50px 0 34px}
.page-hero .hero-title{font-size:clamp(30px,4vw,40px)}
.split-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.steps{display:grid;gap:14px;counter-reset:step}
.step{position:relative;padding:20px 20px 20px 68px;background:#fff;border:1px solid rgba(30,99,214,.12);border-radius:14px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#1E63D6;color:#fff;font-weight:800}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;padding:9px 13px;border-radius:999px;background:#F2F6FF;color:#102B6A;font-weight:700}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare > div{padding:20px;border-radius:14px;background:#fff;border:1px solid rgba(30,99,214,.12)}
.index-hero{padding:28px 0 18px}
.carousel{position:relative;width:min(1180px,calc(100% - 36px));margin:0 auto;border-radius:16px;background:#F6F8FF;overflow:hidden;aspect-ratio:1180/330;min-height:280px;max-height:360px}
.carousel-slide{display:none;position:absolute;inset:0}
.carousel-slide.is-active{display:block}
.carousel-slide img{width:100%;height:100%;object-fit:contain;display:block}
.carousel-slide .media-placeholder{height:100%;border-radius:0}
.carousel-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(30,99,214,.18);background:rgba(255,255,255,.92);color:#102B6A;cursor:pointer;z-index:3;font-size:24px}
.carousel-prev{left:14px}.carousel-next{right:14px}
.carousel-dots{position:absolute;left:50%;bottom:13px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.carousel-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#AEB7CA;cursor:pointer}
.carousel-dot.is-active{background:#E8212E}
.magazine{display:grid;grid-template-columns:62fr 38fr;gap:22px}
.mag-main{background:#fff;border:1px solid rgba(30,99,214,.12);border-radius:16px;padding:24px}
.mag-side{display:grid;gap:16px}
.mag-side .card{box-shadow:none}
.topic-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.topic-item{padding:20px;border-radius:14px;background:#F2F6FF;border:1px solid rgba(30,99,214,.12)}
.topic-item h3{margin:0 0 8px;color:#102B6A}
.news-strip{padding:20px 24px;border-radius:14px;background:#102B6A;color:#fff}
.news-strip p{margin:0;color:#EAF0FF}
.app-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:26px;border-radius:16px;background:#F6F8FF}
.faq-list{display:grid;gap:16px}
.faq-item{padding:22px;border-radius:14px;background:#fff;border:1px solid rgba(30,99,214,.12)}
.faq-item h2{margin:0 0 10px;font-size:20px;color:#102B6A}
.table-like{display:grid;gap:1px;background:rgba(30,99,214,.12);border:1px solid rgba(30,99,214,.12);border-radius:14px;overflow:hidden}
.table-row{display:grid;grid-template-columns:180px 1fr;background:#fff}
.table-row strong,.table-row span{padding:15px}
.table-row strong{background:#F6F8FF;color:#102B6A}
.site-footer{background:#071A46;color:#EAF0FF;margin-top:48px}
.footer-grid{max-width:1180px;margin:0 auto;padding:48px 18px 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-footer h2{font-size:16px;margin:0 0 14px;color:#fff}
.site-footer a{display:block;color:#EAF0FF;margin:8px 0}
.site-footer a:hover{color:#fff}
.footer-brand p{color:#BEC9E6;max-width:340px}
.footer-logo img{height:38px;width:auto;object-fit:contain}
.footer-bottom{max-width:1180px;margin:0 auto;padding:18px;border-top:1px solid rgba(234,240,255,.16);color:#BEC9E6;font-size:14px}
.footer-bottom p{font-size:14px}
.side-float{position:fixed;right:14px;top:45%;transform:translateY(-50%);z-index:9000;width:90px;display:grid;gap:8px}
.side-float a,.side-float button{display:flex;align-items:center;justify-content:center;min-height:42px;padding:8px;border-radius:10px;border:1px solid rgba(30,99,214,.12);background:#fff;color:#1E63D6;font-size:13px;box-shadow:0 10px 24px rgba(16,43,106,.08);cursor:pointer}
.side-float .float-register{background:linear-gradient(135deg,#E8212E 0%,#D91838 42%,#1E63D6 100%);color:#fff;border:0}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}

@media(max-width:980px){
  .header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:42px 1fr auto}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-core{display:none}
  .channel-strip{display:none}
  .site-logo{justify-self:center}
  .site-logo img{height:36px;max-width:150px}
  .header-action{height:40px;min-width:auto;padding:0 15px;font-size:14px}
  .side-float{display:none}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(30,99,214,.12);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:54px;color:#102B6A;font-weight:700;font-size:14px}
  .site-footer{padding-bottom:64px}
  .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(16,43,106,.18);
    overflow-y:auto;
    padding-bottom:28px;
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(7,26,70,.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{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(30,99,214,.12)}
  .drawer-logo img{height:34px;width:auto;object-fit:contain}
  .drawer-close{border:0;background:#F2F6FF;color:#102B6A;width:38px;height:38px;border-radius:9px;font-size:24px;cursor:pointer}
  .drawer-group{padding:16px 18px 0}
  .drawer-group strong{display:block;color:#102B6A;margin-bottom:8px}
  .drawer-group a{display:block;padding:10px 0;border-bottom:1px solid #EEF2FA;color:#5F6472}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .magazine{grid-template-columns:1fr}
  .split-feature,.app-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2/4}
  .carousel{aspect-ratio:16/5.2;min-height:220px;max-height:300px}
}
@media(max-width:680px){
  .container,.reading{width:min(100% - 28px,1180px)}
  .header-inner{padding:0 10px;grid-template-columns:42px minmax(0,1fr) auto;gap:8px}
  .site-logo .logo-fallback{min-width:92px;padding:0 8px}
  .header-action{padding:0 12px}
  .section{padding:38px 0}
  .section-sm{padding:28px 0}
  .page-hero{padding:34px 0 20px}
  .hero-title{font-size:clamp(26px,8vw,32px)}
  .page-hero .hero-title{font-size:clamp(26px,8vw,32px)}
  .lead{font-size:16px}
  .grid-2,.grid-3,.compare{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr;gap:12px}
  .topic-band{grid-template-columns:1fr 1fr;gap:12px}
  .topic-item{padding:16px}
  .carousel{width:calc(100% - 28px);min-height:150px;max-height:200px;aspect-ratio:16/6}
  .carousel-prev,.carousel-next{width:36px;height:36px}
  .mag-main{padding:18px}
  .table-row{grid-template-columns:1fr}
  .table-row strong{padding-bottom:8px}
  .table-row span{padding-top:8px}
  .footer-grid{grid-template-columns:1fr 1fr;padding-top:36px;gap:20px}
  .footer-grid>div:first-child{grid-column:1/3}
  .footer-grid>div:last-child{grid-column:auto}
  p{font-size:16px;line-height:1.78}
}