:root{
  --bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;
  --deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--red:#D94F70;--purple:#7A5CFF;
  --text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#FFFFFF;--dark:#11182F;
  --line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);
  --gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit}
img{max-width:100%;height:auto}
button,input,textarea{font:inherit}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}
.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.site-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}
.site-logo img{width:42px;max-height:44px;display:block;object-fit:contain}
.site-logo strong{font-size:20px;letter-spacing:.04em}
.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:15px;white-space:nowrap}
.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}
.header-actions{display:flex;align-items:center;gap:10px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--gradient);color:#fff;text-decoration:none;border-radius:999px;padding:13px 24px;font-weight:700;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:transform .2s ease,box-shadow .2s ease}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,108,255,.28)}
.compact-btn{padding:10px 18px;font-size:14px;white-space:nowrap}
.secondary-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(91,108,255,.25);color:var(--brand);background:#fff;text-decoration:none;border-radius:999px;padding:12px 22px;font-weight:700}
.text-link{color:var(--brand);font-weight:700;text-decoration:none}
.text-link:hover{text-decoration:underline}
.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:50%;background:rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.menu-toggle span{width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-menu-toggle{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(4,8,22,.58);z-index:10000;opacity:0;transition:opacity .22s ease}
.drawer-overlay.is-visible{opacity:1}
.site-drawer{position:fixed;z-index:10001;top:0;right:0;width:min(390px,88vw);height:100vh;padding:24px;background:#0E1530;color:#EEF2FF;transform:translateX(105%);transition:transform .25s ease;overflow-y:auto;box-shadow:-18px 0 48px rgba(5,10,28,.3)}
.site-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:20px}
.drawer-brand img{width:42px;height:42px;object-fit:contain}
.drawer-close{border:0;background:rgba(255,255,255,.1);color:#fff;width:42px;height:42px;border-radius:50%;font-size:28px;line-height:1;cursor:pointer}
.drawer-intro{color:#B9C4E5;margin:20px 0}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-nav a{color:#EEF2FF;text-decoration:none;padding:11px 12px;border-radius:12px;background:rgba(255,255,255,.06)}
.drawer-nav a:hover{background:rgba(0,212,255,.14)}
.drawer-note{margin-top:22px;padding:16px;border-radius:16px;background:rgba(255,200,87,.1);color:#E9DDAF;font-size:13px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.section{padding:82px 0}
.section-sm{padding:54px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-head.center{display:block;text-align:center;max-width:760px;margin:0 auto 34px}
.section-kicker{display:inline-block;color:#7A5CFF;font-weight:800;letter-spacing:.12em;font-size:13px;margin-bottom:8px}
.section-title,h1,h2,h3{color:var(--title);line-height:1.25}
.section-title{font-size:clamp(28px,4vw,44px);margin:0 0 12px}
.section-desc{color:var(--muted);margin:0;max-width:720px}
.hero{position:relative;overflow:hidden;padding:72px 0 68px;background:
 radial-gradient(circle at 80% 18%,rgba(0,212,255,.20),transparent 24%),
 radial-gradient(circle at 12% 28%,rgba(217,79,112,.14),transparent 25%),
 linear-gradient(135deg,#F8F3FF 0%,#EDF8FF 48%,#FFF8FC 100%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
.hero:before{width:260px;height:260px;right:-80px;top:110px;background:rgba(122,92,255,.11)}
.hero:after{width:180px;height:180px;left:-70px;bottom:-40px;background:rgba(0,212,255,.12)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:58px}
.hero-copy h1{font-size:clamp(48px,7vw,82px);margin:0 0 10px;letter-spacing:-.05em}
.hero-copy .lead{font-size:clamp(22px,3vw,34px);font-weight:800;color:#4C5680;margin:0 0 20px}
.hero-copy .intro{font-size:16px;color:var(--muted);margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points span{padding:8px 13px;background:rgba(255,255,255,.75);border:1px solid rgba(91,108,255,.15);border-radius:999px;font-size:13px;color:#43506F}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:auto;max-height:590px;object-fit:contain;display:block;filter:drop-shadow(0 28px 42px rgba(30,48,101,.18))}
.floating-note{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:14px 16px;font-size:13px;color:#4A5674}
.floating-note.one{left:-24px;bottom:15%}.floating-note.two{right:-10px;top:11%}
.highlight-strip{margin-top:-22px;position:relative;z-index:2}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.highlight-item{padding:25px 23px;border-right:1px solid var(--line)}
.highlight-item:last-child{border-right:0}
.highlight-item strong{display:block;color:var(--title);font-size:18px;margin-bottom:7px}
.highlight-item p{margin:0;color:var(--muted);font-size:14px}
.channel-pills{display:flex;flex-wrap:wrap;gap:12px}
.channel-pill{flex:1 1 205px;display:block;text-decoration:none;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:18px;padding:16px 18px;transition:transform .2s ease,box-shadow .2s ease}
.channel-pill:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(25,43,91,.10)}
.channel-pill strong{display:block;color:var(--title);margin-bottom:4px}
.channel-pill span{color:var(--muted);font-size:13px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.media-panel{display:grid;grid-template-columns:1fr .92fr;gap:34px;align-items:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:38px}
.media-panel.reverse{grid-template-columns:.92fr 1fr}
.media-panel img{width:100%;max-height:440px;object-fit:contain}
.media-panel h2{font-size:clamp(28px,3.5vw,42px);margin:0 0 16px}
.media-panel p{color:var(--muted)}
.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}
.zone-card{padding:25px;overflow:hidden}
.zone-card img{width:100%;height:260px;object-fit:contain;border-radius:18px;background:linear-gradient(145deg,#F1F6FF,#FFF5FA);margin-bottom:20px}
.zone-card h3{font-size:24px;margin:0 0 10px}
.zone-card p{color:var(--muted);margin:0 0 14px}
.service-list{padding:0;margin:16px 0 18px;list-style:none}
.service-list li{position:relative;padding-left:20px;margin:8px 0;color:#48536F}
.service-list li:before{content:"";position:absolute;left:0;top:.74em;width:8px;height:8px;border-radius:50%;background:var(--gradient)}
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{padding:25px}
.info-card img{width:100%;height:210px;object-fit:contain;border-radius:16px;background:#F3F7FF;margin-bottom:16px}
.info-card h3{margin:0 0 10px;font-size:22px}
.info-card p{color:var(--muted)}
.security-band{background:linear-gradient(135deg,#11182F,#182A55);color:#EEF2FF;border-radius:30px;padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.security-band h2,.security-band h3{color:#fff}
.security-band p{color:#C1CCE8}
.security-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.security-images img{background:rgba(255,255,255,.06);border-radius:20px;padding:10px;width:100%;height:260px;object-fit:contain}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{padding:23px}
.review-card p{margin:0 0 18px;color:#4A5673}
.review-card strong{color:var(--title)}
.review-card span{display:block;color:var(--soft);font-size:13px}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.faq-item button{width:100%;border:0;background:transparent;padding:20px 22px;text-align:left;font-weight:800;color:var(--title);display:flex;justify-content:space-between;gap:18px;cursor:pointer}
.faq-item button:after{content:"+";font-size:22px;color:var(--brand)}
.faq-item.open button:after{content:"−"}
.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}
.faq-item.open .faq-answer{display:block}
.notice-box{padding:30px;border-radius:24px;background:linear-gradient(135deg,#FFF4D6,#FFF8FC 55%,#EAF7FF);border:1px solid rgba(255,200,87,.36)}
.notice-box h2{margin-top:0}
.notice-box p:last-child{margin-bottom:0}
.inner-hero{padding:68px 0;background:
 radial-gradient(circle at 85% 20%,rgba(0,212,255,.18),transparent 25%),
 linear-gradient(135deg,#F8F3FF,#EDF8FF)}
.inner-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--brand);text-decoration:none}
.inner-hero h1{font-size:clamp(38px,6vw,62px);margin:0 0 16px}
.inner-hero p{color:var(--muted);font-size:17px}
.inner-hero img{width:100%;height:380px;object-fit:contain;filter:drop-shadow(0 24px 34px rgba(29,48,99,.16))}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.content-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 16px 38px rgba(25,43,91,.10)}
.content-card .number{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;background:rgba(91,108,255,.1);color:var(--brand);font-weight:800;margin-bottom:14px}
.content-card h2,.content-card h3{margin:0 0 10px;font-size:22px}
.content-card p{margin:0;color:var(--muted)}
.long-copy{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow)}
.long-copy h2{font-size:30px;margin-top:0}
.long-copy h3{font-size:22px;margin-top:28px}
.long-copy p{color:#4E5975}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding:26px;background:#fff;border:1px solid var(--line);border-radius:20px}
.step b{display:inline-block;color:var(--brand);font-size:13px;margin-bottom:10px}
.step h3{margin:0 0 10px}
.step p{color:var(--muted);margin:0}
.page-review{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.page-review blockquote{margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;color:#46516E}
.page-review cite{display:block;margin-top:14px;color:var(--soft);font-style:normal}
.mini-faq{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini-faq article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.mini-faq h3{font-size:18px;margin-top:0}
.mini-faq p{color:var(--muted);margin-bottom:0}
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:36px 40px;border-radius:26px;background:linear-gradient(135deg,#5B6CFF,#7A5CFF 55%,#00B8E8);color:#fff}
.cta-band h2{color:#fff;margin:0 0 8px}.cta-band p{margin:0;color:#EAF0FF}
.site-footer{background:#0B1024;color:#EEF2FF;padding:62px 0 90px}
.footer-inner{width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}
.footer-inner h2{color:#fff;font-size:17px;margin:0 0 16px}
.footer-inner a{display:block;color:#BFC9E6;text-decoration:none;margin:8px 0;font-size:14px}
.footer-inner a:hover{color:#fff}
.footer-brand p{color:#AAB7D8;max-width:400px}
.footer-logo{display:flex!important;margin-bottom:18px!important}
.footer-bottom{width:min(1180px,calc(100% - 40px));margin:34px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#93A1C5;font-size:13px}
.footer-bottom a{color:#BFC9E6;text-decoration:none;margin-left:18px}
.mobile-bottom-nav{display:none}
@media (max-width:1020px){
  .nav-core{display:none}.desktop-menu-toggle{display:flex}.mobile-menu-toggle{display:none}
  .hero-grid,.inner-hero-grid,.media-panel,.media-panel.reverse{grid-template-columns:1fr}
  .hero-copy{text-align:center}.hero-actions,.hero-points{justify-content:center}
  .hero-visual{max-width:720px;margin:0 auto}.floating-note.one{left:3%}.floating-note.two{right:3%}
  .highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2){border-right:0}
  .highlight-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .three-grid,.content-grid,.reviews-grid{grid-template-columns:1fr 1fr}
  .security-band{grid-template-columns:1fr}.footer-inner{grid-template-columns:1.5fr 1fr 1fr}
  .footer-inner>div:last-child{grid-column:2/4}
}
@media (max-width:720px){
  body{padding-bottom:66px}
  .header-inner{min-height:64px;padding:0 12px;gap:9px}
  .mobile-menu-toggle{display:flex;flex:0 0 auto}.desktop-menu-toggle{display:none}
  .site-logo strong{display:none}.site-logo img{width:38px;height:38px}
  .header-actions{margin-left:auto}.compact-btn{padding:9px 13px;font-size:13px}
  .container{width:min(100% - 28px,1180px)}
  .section{padding:58px 0}.section-sm{padding:40px 0}
  .hero{padding:48px 0 52px}.hero-grid{gap:28px}.hero-copy h1{font-size:48px}
  .hero-copy .lead{font-size:22px}.hero-copy .intro{font-size:15px}
  .floating-note{display:none}
  .highlight-strip{margin-top:-10px}.highlight-grid{grid-template-columns:1fr}
  .highlight-item{border-right:0;border-bottom:1px solid var(--line)!important;padding:20px}
  .highlight-item:last-child{border-bottom:0!important}
  .section-head{display:block}.section-title{font-size:30px}
  .split,.three-grid,.content-grid,.reviews-grid,.steps,.page-review,.mini-faq{grid-template-columns:1fr}
  .media-panel{padding:24px;gap:22px}.zone-card img{height:220px}.info-card img{height:190px}
  .security-band{padding:26px 20px}.security-images img{height:190px}
  .inner-hero{padding:48px 0}.inner-hero-grid{gap:20px}.inner-hero h1{font-size:40px}
  .inner-hero img{height:260px}.long-copy{padding:25px}
  .cta-band{display:block;padding:28px}.cta-band .main-btn{margin-top:20px}
  .footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}
  .footer-inner>div:last-child{grid-column:auto}.footer-bottom{display:block;padding-bottom:12px}
  .footer-bottom div{margin-top:10px}.footer-bottom a{margin:0 14px 0 0}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:62px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.96);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.1);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:#EEF2FF;text-decoration:none;font-size:13px}
  .mobile-bottom-nav a:hover{background:rgba(0,212,255,.12)}
}
@media (max-width:430px){
  .drawer-nav{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}
  .security-images{grid-template-columns:1fr}.security-images img{height:220px}
}