*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F6F8FF;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.drawer-open{overflow:hidden}
img{max-width:100%}
a{color:#355fd8}
button,input,textarea{font:inherit}
.skip-link{position:fixed;left:10px;top:-60px;z-index:12000;background:#fff;padding:8px 12px;border-radius:8px}
.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 52%,#EAF7FF 100%);box-shadow:0 8px 24px rgba(89,126,247,.10);backdrop-filter:blur(12px)}
.header-inner{max-width:1200px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:126px;height:40px;padding:0 14px;border-radius:12px;background:#ECF0FF;color:#1D2B5F;font-weight:900;letter-spacing:.08em}
.nav-core{display:flex;align-items:center;gap:8px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#1D2B5F;padding:8px 10px;border-radius:999px;font-weight:700;text-decoration:none}
.nav-core a.is-current,.nav-core a:hover{background:rgba(255,255,255,.82);color:#597EF7}
.header-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.plain-login{font-weight:700;text-decoration:none;color:#1D2B5F;padding:8px}
.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(89,126,247,.28);white-space:nowrap}
.main-btn::before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.85) 35%,transparent 70%);transform:translateX(-120%);animation:btnShine 2.4s infinite;z-index:-1}
.main-btn::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:1px solid rgba(255,255,255,.65);box-shadow:0 0 8px rgba(122,196,245,.55),0 0 18px rgba(89,126,247,.35);pointer-events:none}
@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}
.menu-toggle,.mobile-register{display:none}
.channel-strip{background:#fff;border-top:1px solid rgba(89,126,247,.08);border-bottom:1px solid rgba(89,126,247,.12);overflow:hidden}
.channel-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;padding:11px 9px;color:#5B647A;text-decoration:none;font-size:14px;white-space:nowrap}
.channel-inner a:hover,.channel-inner a.is-current{color:#597EF7;font-weight:700}
.site-main{min-height:70vh}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(860px,calc(100% - 40px));margin:0 auto}
.section{padding:64px 0}
.section-tight{padding:42px 0}
.eyebrow{margin:0 0 10px;color:#597EF7;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.page-hero{padding:70px 0 42px}
.page-hero .hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:34px;align-items:center}
.page-hero h1,.home-intro h1{margin:0 0 18px;color:#1D2B5F;font-size:clamp(38px,5vw,50px);line-height:1.18;letter-spacing:-.02em}
.page-hero p,.home-intro p{font-size:18px;color:#5B647A;margin:0}
.text-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.text-links a{font-weight:700;text-decoration:none;border-bottom:1px solid rgba(89,126,247,.35)}
.surface{background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:18px;box-shadow:0 16px 40px rgba(89,126,247,.10)}
.prose{font-size:17px}
.prose h2,.section-title{color:#1D2B5F;line-height:1.35}
.prose h2{font-size:28px;margin:38px 0 12px}
.prose h3{font-size:20px;color:#1D2B5F;margin:24px 0 8px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{padding-left:1.35em}
.prose li{margin:8px 0}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}
.section-title{font-size:30px;margin:0}
.section-note{margin:0;color:#5B647A;max-width:620px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.info-card{padding:24px}
.info-card h2,.info-card h3{margin:0 0 10px;color:#1D2B5F}
.info-card p{margin:0;color:#5B647A}
.info-card a{display:inline-block;margin-top:14px;font-weight:700;text-decoration:none}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#ECF0FF;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:grid;place-items:center;background:linear-gradient(135deg,#ECF0FF,#EAF7FF);color:#597EF7;font-weight:900;letter-spacing:.12em}
.card-media{height:174px;aspect-ratio:auto}
.feature-media{height:244px;aspect-ratio:auto}
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:34px;align-items:center}
.split.reverse>.media{order:2}
.split.reverse>.split-copy{order:1}
.split-copy h2{font-size:30px;color:#1D2B5F;margin:0 0 14px}
.split-copy p{margin:0 0 14px}
.callout{padding:24px 26px;border-left:4px solid #597EF7;background:#fff;border-radius:0 16px 16px 0;box-shadow:0 16px 40px rgba(89,126,247,.08)}
.soft-band{background:linear-gradient(135deg,#ECF0FF,#EAF7FF);border-top:1px solid rgba(89,126,247,.10);border-bottom:1px solid rgba(89,126,247,.10)}
.steps{counter-reset:step;display:grid;gap:16px}
.step{counter-increment:step;position:relative;padding:22px 22px 22px 70px;background:#fff;border-radius:16px;border:1px solid rgba(89,126,247,.16)}
.step:before{content:counter(step);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#ECF0FF;color:#597EF7;font-weight:900}
.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.index-list a{padding:16px 18px;border-radius:14px;background:#fff;border:1px solid rgba(89,126,247,.16);text-decoration:none;font-weight:700}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px 24px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px}
.faq-item h2,.faq-item h3{margin:0 0 8px;color:#1D2B5F}
.faq-item p{margin:0}
.hero-slider{position:relative;max-width:1200px;height:360px;margin:34px auto 0;border-radius:18px;background:#101827;overflow:hidden;box-shadow:0 16px 40px rgba(16,24,39,.18)}
.hero-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .45s ease}
.hero-slide.is-active{opacity:1;pointer-events:auto}
.hero-slide .media{height:100%;border-radius:0;background:#101827}
.hero-slide .media>img{object-fit:contain}
.hero-slide .media-placeholder{background:linear-gradient(135deg,#101827,#1d2b5f);color:#eaf7ff}
.hero-prev,.hero-next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#1D2B5F;font-size:22px;cursor:pointer}
.hero-prev{left:16px}
.hero-next{right:16px}
.hero-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.hero-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.45);padding:0;cursor:pointer}
.hero-dot.is-active{background:#fff;width:24px;border-radius:999px}
.quick-pills{display:flex;gap:10px;overflow-x:auto;padding:16px 0 4px;scrollbar-width:thin}
.quick-pills a{flex:0 0 auto;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid rgba(89,126,247,.16);text-decoration:none;font-weight:700;color:#1D2B5F}
.today-strip{padding:20px 24px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:16px}
.today-strip strong{color:#1D2B5F}
.topic-matrix .info-card{padding:18px}
.topic-matrix .info-card h3{font-size:18px}
.app-banner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:24px;align-items:center;padding:28px}
.notice-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.notice-row .surface{padding:24px}
.desktop-float{position:fixed;right:14px;top:50%;transform:translateY(-30%);z-index:7000;width:116px;display:flex;flex-direction:column;gap:8px;padding:10px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:18px;box-shadow:0 16px 40px rgba(89,126,247,.12)}
.desktop-float a,.desktop-float button{display:flex;align-items:center;justify-content:center;min-height:40px;padding:8px;border:0;border-radius:12px;background:#fff;color:#355fd8;text-decoration:none;font-weight:700;cursor:pointer}
.desktop-float .main-btn{color:#fff;border-radius:999px;min-width:0}
.site-footer{background:#1F1F1F;color:#D7DCE8;padding:54px 0 90px}
.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:30px}
.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}
.footer-grid a{display:block;color:#D7DCE8;text-decoration:none;margin:7px 0}
.footer-brand p{max-width:320px}
.footer-logo img{height:40px;width:auto;max-width:168px;object-fit:contain}
.footer-bottom{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;color:#aeb5c3;font-size:14px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-overlay{display:none}
.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:#ECF0FF;color:#597EF7;font-size:12px;font-weight:800}
.table-like{display:grid;gap:10px}
.table-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:16px 18px;border-radius:14px;background:#fff;border:1px solid rgba(89,126,247,.12)}
.table-row strong{color:#1D2B5F}
.quote-note{padding:24px;border-radius:16px;background:#101827;color:#eef4ff}
.quote-note strong{color:#fff}
.compact-links{display:flex;flex-wrap:wrap;gap:10px}
.compact-links a{padding:9px 12px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:12px;text-decoration:none;font-weight:700}
.timeline{display:grid;gap:0}
.timeline-item{position:relative;padding:0 0 26px 34px}
.timeline-item:before{content:"";position:absolute;left:8px;top:8px;width:10px;height:10px;border-radius:50%;background:#597EF7}
.timeline-item:after{content:"";position:absolute;left:12px;top:20px;bottom:0;width:2px;background:#dfe6ff}
.timeline-item:last-child:after{display:none}
.timeline-item h3{margin:0 0 6px;color:#1D2B5F}
.timeline-item p{margin:0}

@media(max-width:1320px){
.desktop-float{display:none}
}

@media(max-width:1020px){
.nav-core{gap:2px}
.nav-core a{padding:8px 7px;font-size:14px}
.header-inner{padding:0 14px;gap:10px}
.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
.page-hero .hero-grid{grid-template-columns:1fr}
.app-banner{grid-template-columns:1fr}
.hero-slider{height:290px}
.footer-grid{grid-template-columns:1.2fr 1fr 1fr}
}

@media(max-width:900px){
body{padding-bottom:62px}
.site-header{position:sticky}
.header-inner{min-height:64px;padding:0 12px;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:8px}
.site-logo{justify-self:center;min-width:0}
.site-logo img{height:34px;max-width:150px}
.site-logo .logo-placeholder{min-width:112px;height:36px;font-size:14px}
.nav-core,.header-actions,.channel-strip{display:none}
.menu-toggle{display:flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px;padding:10px}
.menu-toggle span{display:block;height:2px;background:#1D2B5F;border-radius:2px}
.mobile-register{display:inline-flex;min-width:84px;height:40px;padding:0 13px;font-size:14px}
.container,.reading{width:min(100% - 28px,1200px)}
.section{padding:46px 0}
.section-tight{padding:34px 0}
.page-hero{padding:46px 0 28px}
.page-hero h1,.home-intro h1{font-size:clamp(28px,9vw,34px)}
.page-hero p,.home-intro p{font-size:16px}
.section-head{display:block}
.section-title{font-size:26px}
.grid-2,.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.info-card{padding:19px}
.topic-matrix .info-card{padding:14px}
.topic-matrix .info-card p{font-size:14px}
.split,.split.reverse{grid-template-columns:1fr;gap:22px}
.split.reverse>.media,.split.reverse>.split-copy{order:initial}
.feature-media{height:220px}
.card-media{height:160px}
.hero-slider{height:210px;margin-top:24px;border-radius:16px}
.hero-prev,.hero-next{width:36px;height:36px;font-size:18px}
.notice-row{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr;gap:26px}
.footer-brand{grid-column:1/-1}
.footer-bottom{display:block}
.footer-bottom p+p{margin-top:8px}
.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8000;height:58px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(89,126,247,.16);box-shadow:0 -8px 24px rgba(89,126,247,.08)}
.mobile-bottom a{display:grid;place-items:center;color:#1D2B5F;text-decoration:none;font-weight:700;font-size:14px}
.mobile-drawer{display:flex;position:fixed;z-index:11000;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;transform:translateX(-104%);transition:transform .2s ease;flex-direction:column;box-shadow:16px 0 40px rgba(16,24,39,.18)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-overlay{display:none;position:fixed;z-index:10900;inset:0;background:rgba(16,24,39,.42);opacity:0;pointer-events:none;transition:opacity .18s ease}
.drawer-overlay.is-visible{display:block;opacity:1;pointer-events:auto}
.drawer-head{min-height:66px;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid #edf0f7}
.drawer-logo img{height:36px;width:auto;max-width:155px;object-fit:contain}
.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#ECF0FF;color:#1D2B5F;font-size:26px}
.drawer-scroll{overflow-y:auto;padding:8px 14px 28px}
.drawer-scroll section{padding:10px 0;border-bottom:1px solid #edf0f7}
.drawer-scroll h2{font-size:13px;color:#597EF7;margin:0 0 5px}
.drawer-scroll a{display:block;padding:9px 4px;color:#1D2B5F;text-decoration:none;font-weight:700}
.index-list{grid-template-columns:1fr}
.table-row{grid-template-columns:1fr;gap:5px}
.app-banner{padding:20px}
.prose{font-size:16px}
.prose h2{font-size:25px}
.site-footer{padding-bottom:86px}
}

@media(max-width:390px){
.header-inner{grid-template-columns:40px minmax(0,1fr) 82px}
.mobile-register{min-width:82px;padding:0 9px;font-size:13px}
.site-logo img{max-width:136px}
.site-logo .logo-placeholder{min-width:102px;font-size:13px}
.grid-4{gap:10px}
.topic-matrix .info-card{padding:12px}
.topic-matrix .info-card h3{font-size:16px}
.topic-matrix .info-card p{font-size:13px}
.hero-slider{height:190px}
}

.nojs-nav{background:#fff;border-bottom:1px solid rgba(89,126,247,.16);padding:12px 0}
.nojs-nav .container{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center}
.nojs-nav a{font-weight:700;text-decoration:none}
.nojs-nav strong{color:#1D2B5F}

@media(min-width:1321px){
.site-main{padding-right:68px}
}