:root{
  --purple:#5F55F5;--purple-deep:#3524B8;--title:#231A68;--yellow:#FFC400;
  --text:#222222;--muted:#5F6472;--soft:#8A90A3;--line:rgba(95,85,245,.12);
  --bg:#FFFFFF;--bg-soft:#F7F8FC;--bg-lilac:#F3F5FF;--bg-yellow:#FFF8E6;
  --shadow:0 16px 40px rgba(35,26,104,.10);--footer:#120B3D;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#FFFFFF;color:#222222;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body.menu-open{overflow:hidden}
a{color:#5F55F5;text-decoration:none}
img{display:block;max-width:100%;height:auto;object-fit:contain}
button,input{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(35,26,104,.08)}
.desktop-header{height:76px;display:flex;align-items:center;gap:24px;white-space:nowrap}
.brand-logo{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img{width:132px;max-height:46px;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-core a{padding:10px 16px;border-radius:999px;color:#231A68;background:rgba(95,85,245,.06);font-weight:700;font-size:14px}
.nav-core a:hover,.nav-core a.active{color:#5F55F5;background:linear-gradient(135deg,rgba(95,85,245,.10),rgba(255,196,0,.12))}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.overview-btn{border:1px solid var(--line);background:#fff;color:var(--title);border-radius:999px;padding:10px 15px;cursor:pointer;font-weight:700}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#5F55F5 0%,#7668FF 48%,#FFC400 100%);color:#FFFFFF;border-radius:999px;padding:12px 22px;font-weight:800;box-shadow:0 10px 24px rgba(95,85,245,.22);transition:.2s transform,.2s box-shadow}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(95,85,245,.28);color:#fff}
.header-main-btn{padding:10px 18px}
.mobile-header{display:none;height:64px;align-items:center;justify-content:space-between;padding:0 14px}
.menu-trigger{width:40px;height:40px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}
.menu-trigger span{width:22px;height:2px;background:var(--title);border-radius:2px}
.mobile-register{padding:9px 13px;font-size:13px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:105px;max-height:38px}
.drawer-overlay{position:fixed;inset:0;background:rgba(18,11,61,.38);opacity:0;visibility:hidden;transition:.25s;z-index:10000}
.drawer-overlay.show{opacity:1;visibility:visible}
.overview-panel,.mobile-drawer{position:fixed;top:0;bottom:0;background:#FFFFFF;z-index:10001;box-shadow:0 18px 48px rgba(35,26,104,.14);transition:transform .28s ease}
.overview-panel{right:0;width:min(520px,92vw);transform:translateX(104%);padding:20px 22px;overflow-y:auto}
.overview-panel.open{transform:none}
.mobile-drawer{left:0;width:min(84vw,320px);transform:translateX(-104%);overflow-y:auto}
.mobile-drawer.open{transform:none}
.panel-head,.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px}
.panel-head strong{font-size:23px;color:var(--title)}
.drawer-head{padding:16px}
.drawer-head img{width:120px;max-height:42px}
.close-btn{border:0;background:var(--bg-soft);color:var(--title);width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:25px;line-height:1}
.overview-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.overview-group{background:#F7F8FC;border:1px solid var(--line);border-radius:20px;padding:16px}
.overview-group h2{font-size:15px;margin:0 0 10px;color:#231A68}
.overview-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.overview-links a{font-size:14px;color:#5F6472;padding:6px 0}
.overview-links a:hover{color:#5F55F5}
.mobile-nav{padding:10px 16px 24px}
.mobile-nav a{display:block;padding:10px 8px;color:var(--title);border-bottom:1px solid rgba(95,85,245,.08)}
.mobile-group-title{margin:16px 8px 6px;font-size:12px;color:var(--soft);font-weight:800;letter-spacing:.08em}
.mobile-bottom-nav{display:none}
.hero-section{background:radial-gradient(circle at 15% 20%,rgba(95,85,245,.12) 0%,rgba(95,85,245,0) 30%),radial-gradient(circle at 88% 18%,rgba(255,196,0,.16) 0%,rgba(255,196,0,0) 28%),linear-gradient(135deg,#FFFFFF 0%,#F7F8FC 52%,#F3F5FF 100%);padding:56px 0 38px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:42px}
.kicker,.section-kicker{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:800;color:#5F55F5;background:rgba(95,85,245,.08);padding:7px 11px;border-radius:999px}
.hero-section h1,.inner-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.14;margin:16px 0 18px;color:#231A68;letter-spacing:-.03em}
.hero-section p,.inner-hero p{color:#5F6472;font-size:17px;margin:0 0 24px}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.text-link{font-weight:800;color:#5F55F5}
.hero-visual{background:#fff;border:1px solid rgba(95,85,245,.14);border-radius:32px;padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-visual:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;background:rgba(255,196,0,.16);right:-35px;top:-35px}
.hero-visual img{width:100%;height:auto;max-height:370px;object-fit:contain}
.service-tags{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px}
.service-tag{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 10px 28px rgba(35,26,104,.06)}
.service-tag strong{display:block;color:var(--title);margin-bottom:4px}
.service-tag span{font-size:13px;color:var(--muted)}
.section{padding:72px 0}
.section-soft{background:#F7F8FC}
.section-lilac{background:#F3F5FF}
.section-yellow{background:#FFF8E6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2,.section-title{color:#231A68;font-size:clamp(26px,3.8vw,40px);line-height:1.25;margin:8px 0}
.section-head p{max-width:720px;color:var(--muted);margin:0}
.quick-strip{padding:20px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:3px;scrollbar-width:thin}
.quick-pill{flex:0 0 190px;border:1px solid rgba(95,85,245,.14);background:rgba(255,255,255,.92);border-radius:999px;padding:11px 16px}
.quick-pill:hover{border-color:#FFC400}
.quick-pill small{display:block;color:#FFC400;font-weight:900}
.quick-pill strong{display:block;color:#231A68;font-size:14px}
.quick-pill span{display:block;color:#8A90A3;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.summary-bar{background:linear-gradient(135deg,#fff,#F3F5FF);border:1px solid var(--line);border-radius:24px;padding:24px 28px;box-shadow:var(--shadow);color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card,.card,.zone-card{background:#FFFFFF;border:1px solid rgba(95,85,245,.12);box-shadow:0 16px 40px rgba(35,26,104,.10);border-radius:24px;overflow:hidden}
.info-card{padding:24px}
.info-card img{width:100%;height:auto;max-height:300px;object-fit:contain;margin-bottom:16px}
.info-card h3,.card h3,.zone-card h3{color:#231A68;margin:0 0 10px;font-size:22px}
.info-card p,.card p,.zone-card p{color:#5F6472;margin:0 0 14px}
.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.zone-card{padding:14px}
.zone-card img{width:100%;height:auto;max-height:190px;object-fit:contain;border-radius:16px;background:#F7F8FC}
.zone-card h3{font-size:17px;margin-top:12px}
.zone-card p{font-size:13px;line-height:1.6}
.app-banner{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center;background:linear-gradient(135deg,#fff,#F3F5FF 62%,#FFF8E6);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.app-banner img{max-height:320px;width:100%;object-fit:contain}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.feature-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;color:var(--muted);font-size:14px}
.notice-grid,.security-grid,.review-grid,.faq-grid{display:grid;gap:18px}
.notice-grid,.security-grid{grid-template-columns:1fr 1fr}
.notice-card,.security-card,.review-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 28px rgba(35,26,104,.06)}
.notice-card img,.security-card img{width:100%;max-height:250px;object-fit:contain;margin-bottom:14px}
.notice-card h3,.security-card h3,.review-card h3,.faq-item h3{color:var(--title);margin:0 0 10px}
.review-grid{grid-template-columns:repeat(3,1fr)}
.review-card p,.faq-item p{color:var(--muted);margin:0}
.review-card .review-meta{margin-top:12px;font-size:12px;color:var(--soft)}
.faq-grid{grid-template-columns:1fr 1fr}
.about-brief{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px}
.compliance-note{background:#F3F5FF;border:1px solid rgba(95,85,245,.15);border-radius:22px;padding:22px;color:var(--muted)}
.inner-hero{padding:48px 0;background:linear-gradient(135deg,#FFFFFF,#F7F8FC 58%,#F3F5FF)}
.inner-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.inner-hero h1{font-size:clamp(34px,4.5vw,52px)}
.inner-hero img{width:100%;height:auto;max-height:330px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:26px;padding:18px;box-shadow:var(--shadow)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}
.article-card h2{color:var(--title);font-size:27px;margin:30px 0 12px}
.article-card h2:first-child{margin-top:0}
.article-card h3{color:var(--title);font-size:19px;margin:22px 0 8px}
.article-card p{color:var(--muted);margin:0 0 16px}
.article-card ul{color:var(--muted);padding-left:22px}
.side-stack{display:grid;gap:16px;position:sticky;top:98px}
.side-card{background:#F7F8FC;border:1px solid var(--line);border-radius:20px;padding:20px}
.side-card h2{font-size:18px;color:var(--title);margin:0 0 10px}
.side-card a{display:block;padding:7px 0}
.feedback-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.feedback{background:#F7F8FC;border:1px solid var(--line);border-radius:18px;padding:16px}
.feedback p{font-size:14px;margin:0 0 10px}
.feedback small{color:var(--soft)}
.inner-faq{display:grid;gap:12px}
.inner-faq details{background:#F7F8FC;border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.inner-faq summary{cursor:pointer;color:var(--title);font-weight:800}
.inner-faq p{margin:10px 0 0}
.site-footer{background:#120B3D;color:#EDEBFF;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:30px}
.site-footer h2{font-size:16px;color:#fff;margin:0 0 12px}
.site-footer a{display:block;color:#DAD6FF;padding:4px 0}
.site-footer p{color:#C7C2E6;margin:10px 0 0}
.footer-brand img{width:140px;max-height:48px;filter:brightness(1.15)}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;gap:18px;flex-wrap:wrap;color:#BEB8DD}
.footer-bottom a{padding:0}
@media(max-width:980px){
  .desktop-header{display:none}.mobile-header{display:flex}
  .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:9998;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 20px rgba(35,26,104,.06)}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:8px 4px;color:var(--muted);font-size:12px}
  .mobile-bottom-nav a span{font-size:17px}.mobile-bottom-nav a.active{color:#5F55F5}
  body{padding-bottom:62px}
  .hero-grid,.inner-hero-grid,.app-banner,.article-layout{grid-template-columns:1fr}
  .service-tags{grid-template-columns:1fr 1fr}
  .zone-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr 1fr}
  .side-stack{position:static;grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{width:min(100% - 26px,1180px)}
  .hero-section,.section{padding:46px 0}
  .hero-section h1,.inner-hero h1{font-size:34px}
  .hero-grid{gap:24px}
  .hero-visual{padding:14px;border-radius:24px}.hero-visual img{max-height:250px}
  .service-tags,.two-col,.notice-grid,.security-grid,.review-grid,.faq-grid,.feature-list,.feedback-list,.side-stack{grid-template-columns:1fr}
  .service-tag{padding:14px}
  .section-head{align-items:flex-start;flex-direction:column}
  .zone-grid{grid-template-columns:1fr 1fr;gap:12px}
  .zone-card{padding:10px;border-radius:18px}.zone-card img{max-height:130px}.zone-card h3{font-size:15px}.zone-card p{font-size:12px}
  .app-banner{padding:20px}.app-banner img{max-height:220px}
  .overview-groups{grid-template-columns:1fr}
  .about-brief{grid-template-columns:1fr}
  .article-card{padding:22px}
  .inner-hero img{max-height:240px}
  .footer-grid{grid-template-columns:1fr}
}