:root{
  --bg:#FFFFFF;--bg-soft:#F7F8FC;--bg-soft-2:#F3F5FF;--bg-warm:#FFF8E6;
  --purple:#5F55F5;--purple-deep:#3524B8;--title:#231A68;--yellow:#FFC400;
  --text:#222222;--muted:#5F6472;--hint:#8A90A3;--border:rgba(95,85,245,.12);
  --shadow:0 16px 40px rgba(35,26,104,.10);--footer:#120B3D;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:var(--purple);text-decoration:none}
img{max-width:100%;height:auto}
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)}
.header-inner{width:min(1220px,calc(100% - 32px));height:76px;margin:0 auto;display:flex;align-items:center;gap:22px}
.brand-logo{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img{width:146px;max-height:50px;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:9px;margin-left:auto;white-space:nowrap}
.nav-core a{color:var(--title);background:rgba(95,85,245,.06);border-radius:999px;padding:9px 14px;font-size:14px;font-weight:700}
.nav-core a:hover,.nav-core a.active{color:var(--purple);background:linear-gradient(135deg,rgba(95,85,245,.10),rgba(255,196,0,.12))}
.header-actions{display:flex;align-items:center;gap:10px;white-space:nowrap}
.overview-btn{border:1px solid var(--border);background:#fff;color:var(--title);border-radius:999px;padding:9px 14px;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:#fff;border-radius:999px;padding:12px 22px;font-weight:800;box-shadow:0 10px 24px rgba(95,85,245,.22);transition:.2s ease}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(95,85,245,.28)}
.main-btn.compact{padding:10px 16px;font-size:14px}
.mobile-header{display:none}
.page-overlay{position:fixed;inset:0;background:rgba(18,11,61,.28);opacity:0;visibility:hidden;transition:.25s;z-index:10000}
.page-overlay.show{opacity:1;visibility:visible}
.category-panel,.mobile-drawer{position:fixed;top:0;bottom:0;background:#fff;box-shadow:0 18px 48px rgba(35,26,104,.14);z-index:10001;transition:transform .3s ease;overflow-y:auto}
.category-panel{right:0;width:min(520px,92vw);transform:translateX(105%);padding:24px}
.category-panel.open{transform:translateX(0)}
.panel-head,.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding-bottom:16px;margin-bottom:18px}
.panel-head strong{font-size:24px;color:var(--title)}
.panel-head button,.drawer-head button{border:0;background:var(--bg-soft);width:40px;height:40px;border-radius:50%;font-size:24px;color:var(--title);cursor:pointer}
.panel-groups{display:grid;gap:20px}
.panel-groups section{background:var(--bg-soft);padding:16px;border-radius:18px}
.panel-groups h2{margin:0 0 10px;font-size:16px;color:var(--title)}
.panel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.panel-links a{display:block;background:#fff;border:1px solid var(--border);border-radius:14px;padding:10px 12px}
.panel-links a span{display:block;color:var(--title);font-weight:800}
.panel-links a small{display:block;color:var(--muted);font-size:12px}
.mobile-drawer{left:0;width:min(320px,84vw);transform:translateX(-105%);padding:20px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head img{width:134px;max-height:48px;object-fit:contain}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.drawer-nav a{background:var(--bg-soft);border:1px solid var(--border);color:var(--title);border-radius:12px;padding:10px 12px;font-weight:700}
.drawer-nav a.active{color:var(--purple);background:var(--bg-soft-2)}
body.menu-open{overflow:hidden}
.site-main{min-height:60vh}
.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:64px 0 52px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.kicker,.section-kicker,.tag,.label,.num,.badge{color:var(--purple);font-weight:800;letter-spacing:.02em}
.hero-section h1,.section-title,h1,h2,h3{color:var(--title)}
.hero-section h1{font-size:clamp(34px,5vw,58px);line-height:1.16;margin:10px 0 18px}
.hero-section p{color:var(--muted);font-size:17px}
.hero-actions{display:flex;gap:12px;align-items:center;margin-top:24px}
.hero-visual,.image-card{background:#fff;border:1px solid var(--border);border-radius:28px;padding:24px;box-shadow:var(--shadow);position:relative}
.hero-visual:before{content:"";position:absolute;inset:10px;border:1px solid rgba(255,196,0,.35);border-radius:22px;pointer-events:none}
.hero-visual img,.image-card img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;display:block;max-height:390px}
.service-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.service-chip{background:#fff;border:1px solid var(--border);box-shadow:0 10px 24px rgba(35,26,104,.07);border-radius:18px;padding:15px}
.service-chip strong{display:block;color:var(--title)}
.service-chip span{font-size:13px;color:var(--muted)}
.quick-categories{padding:24px 0;background:#fff}
.quick-scroll{display:flex;gap:12px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}
.quick-pill{min-width:190px;background:#fff;border:1px solid rgba(95,85,245,.14);border-radius:999px;padding:12px 16px;box-shadow:0 6px 18px rgba(35,26,104,.05)}
.quick-pill b{display:block;color:var(--title)}
.quick-pill small{color:var(--muted)}
.section{padding:70px 0}
.section.soft{background:var(--bg-soft)}
.section.purple-soft{background:linear-gradient(135deg,#fff,#F3F5FF)}
.section.warm{background:linear-gradient(135deg,#fff,#FFF8E6)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{margin:5px 0 0;font-size:clamp(26px,4vw,40px)}
.section-head p{max-width:640px;margin:0;color:var(--muted)}
.summary-strip{background:linear-gradient(135deg,#fff,#F3F5FF);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:28px}
.summary-strip p{margin:0;color:var(--muted);font-size:16px}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card,.zone-card,.info-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:24px}
.card h3,.zone-card h3,.info-card h3{margin:16px 0 8px}
.card p,.zone-card p,.info-card p{color:var(--muted)}
.card .text-link,.zone-card .text-link{font-weight:800}
.zone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.zone-card{padding:16px}
.zone-card img{max-height:180px;border-radius:16px;background:var(--bg-soft)}
.zone-card h3{font-size:18px}
.app-banner{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;background:linear-gradient(135deg,#F3F5FF,#fff 60%,#FFF8E6);border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:var(--shadow)}
.app-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}
.app-points span{background:#fff;border:1px solid var(--border);border-radius:14px;padding:10px 12px;color:var(--title);font-weight:700}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.review{background:#fff;border:1px solid var(--border);border-radius:20px;padding:20px}
.review p{color:var(--muted);margin:0 0 12px}
.review strong{color:var(--title)}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px 20px}
.faq-item h3{margin:0 0 8px;font-size:18px}
.faq-item p{margin:0;color:var(--muted)}
.page-hero{padding:60px 0 44px;background:linear-gradient(135deg,#fff,#F3F5FF)}
.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center}
.page-hero h1{font-size:clamp(32px,5vw,48px);margin:8px 0 14px}
.page-hero p{color:var(--muted);font-size:16px}
.page-content{padding:54px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}
.article-main{display:grid;gap:20px}
.article-section{background:#fff;border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:0 12px 32px rgba(35,26,104,.07)}
.article-section h2{margin-top:0}
.article-section p{color:var(--muted)}
.side-card{position:sticky;top:98px;background:linear-gradient(135deg,#F7F8FC,#fff);border:1px solid var(--border);border-radius:22px;padding:22px}
.side-card h2{font-size:20px;margin-top:0}
.side-card a{display:block;padding:8px 0;border-bottom:1px dashed var(--border);font-weight:700}
.mini-list{display:grid;gap:10px}
.mini-list div{background:var(--bg-soft);border-radius:14px;padding:12px}
.safety-note{background:var(--bg-warm);border:1px solid rgba(255,196,0,.35);border-radius:18px;padding:18px 20px}
.safety-note strong{color:var(--title)}
.responsible-strip{background:#F7F8FC;padding:28px 0;border-top:1px solid var(--border)}
.responsible-strip strong{color:var(--title)}
.responsible-strip p{margin:6px 0 0;color:var(--muted)}
footer{background:#120B3D;color:#EDEBFF;padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}
.footer-brand img{width:150px;max-height:52px;object-fit:contain;background:#fff;border-radius:12px;padding:5px}
.footer-brand p{color:#C9C6E9;max-width:380px}
footer h2{color:#fff;font-size:16px;margin:0 0 12px}
footer a{display:block;color:#EDEBFF;padding:5px 0}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#BDB9DF;font-size:13px}
.mobile-bottom-nav{display:none}

@media (max-width:1080px){
  .nav-core a{padding:8px 10px;font-size:13px}
  .zone-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .desktop-header{display:none}
  .mobile-header{display:flex;justify-content:space-between;height:68px}
  .menu-toggle{width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;display:grid;place-content:center;gap:4px}
  .menu-toggle span{display:block;width:20px;height:2px;background:var(--title)}
  .mobile-logo img{width:126px}
  .hero-grid,.page-hero-grid,.app-banner,.article-layout{grid-template-columns:1fr}
  .service-summary-grid{grid-template-columns:repeat(2,1fr)}
  .zone-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .side-card{position:static}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9998;background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 22px rgba(35,26,104,.08)}
  .mobile-bottom-nav a{text-align:center;padding:12px 6px;color:var(--title);font-weight:800;font-size:13px}
  body{padding-bottom:54px}
}
@media (max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .header-inner{width:calc(100% - 20px)}
  .mobile-logo img{width:112px}
  .main-btn.compact{padding:8px 12px;font-size:12px}
  .hero-section{padding:42px 0 36px}
  .hero-section h1{font-size:36px}
  .hero-grid{gap:26px}
  .hero-visual,.image-card{padding:16px;border-radius:22px}
  .hero-visual img,.image-card img,.content-img,.zone-card img,.app-section img{max-height:260px}
  .service-summary-grid{grid-template-columns:1fr 1fr;gap:10px}
  .service-chip{padding:12px}
  .section{padding:48px 0}
  .section-head{display:block}
  .section-head p{margin-top:10px}
  .two-col,.review-grid,.footer-grid{grid-template-columns:1fr}
  .zone-grid{grid-template-columns:1fr 1fr;gap:12px}
  .zone-card{padding:12px}
  .zone-card img{max-height:140px}
  .zone-card h3{font-size:16px}
  .app-points{grid-template-columns:1fr}
  .panel-links{grid-template-columns:1fr}
  .drawer-nav{grid-template-columns:1fr 1fr}
}