*{box-sizing:border-box}
:root{
  --bg:#F5F7FF;
  --nav:rgba(12,18,40,.94);
  --title:#131A35;
  --brand:#5B6CFF;
  --deep:#16213E;
  --cyan:#00D4FF;
  --gold:#FFC857;
  --rose:#D94F70;
  --soft-blue:#EAF7FF;
  --soft-gold:#FFF4D6;
  --violet:#7A5CFF;
  --text:#1F2740;
  --muted:#66708A;
  --subtle:#9AA4BA;
  --card:#FFFFFF;
  --dark-card:#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%);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  line-height:1.75;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
a{color:inherit}
img{max-width:100%;height:auto}
.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{
  width:min(1280px,calc(100% - 40px));
  min-height:72px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.site-logo,.drawer-brand,.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight:900;
  letter-spacing:.02em;
}
.site-logo{color:#fff;min-width:165px}
.site-logo img{max-height:44px;max-width:52px;display:block;object-fit:contain}
.nav-core{display:flex;align-items:center;justify-content:center;gap:10px;flex:1}
.nav-core a{
  color:#EEF2FF;
  text-decoration:none;
  border-radius:999px;
  padding:8px 12px;
  white-space:nowrap;
  transition:.2s ease;
}
.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;min-width:178px;justify-content:flex-end}
.main-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  background:var(--gradient);
  color:#fff;
  border-radius:999px;
  box-shadow:0 14px 32px rgba(91,108,255,.22);
  text-decoration:none;
  font-weight:800;
  border:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(91,108,255,.28)}
.menu-toggle,.drawer-close{
  appearance:none;
  border:0;
  cursor:pointer;
}
.menu-toggle{
  width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.1);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
.menu-toggle-mobile{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,9,24,.56);z-index:10000;
  opacity:0;visibility:hidden;transition:.25s ease;
}
.site-drawer{
  position:fixed;right:0;top:0;width:min(390px,92vw);height:100vh;z-index:10001;
  background:#fff;box-shadow:-20px 0 50px rgba(12,18,40,.2);
  transform:translateX(104%);transition:transform .28s ease;padding:24px;overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .site-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}
.drawer-brand{color:var(--title)}
.drawer-brand img,.footer-logo img{width:42px;height:42px;object-fit:contain}
.drawer-close{font-size:30px;line-height:1;background:#F0F2FF;color:var(--deep);border-radius:12px;width:42px;height:42px}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}
.drawer-nav a{
  display:block;text-decoration:none;padding:12px 14px;border:1px solid var(--line);border-radius:14px;
  color:var(--title);background:#FBFCFF;font-weight:700;
}
.drawer-nav a:hover{background:var(--soft-blue);color:var(--brand)}
.drawer-meta{background:linear-gradient(135deg,#EFF8FF,#F5F0FF);padding:18px;border-radius:18px}
.drawer-meta p{margin:0 0 8px;color:var(--muted);font-size:14px}
.text-link{color:var(--brand);text-decoration:none;font-weight:800}
.text-link:hover{text-decoration:underline}
main{display:block}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.section{padding:82px 0}
.section-tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-kicker,.eyebrow{
  display:inline-flex;align-items:center;gap:8px;color:#A66A00;background:var(--soft-gold);
  border-radius:999px;padding:6px 12px;font-weight:800;font-size:13px;letter-spacing:.04em;
}
.section-title,h1,h2,h3{color:var(--title);line-height:1.24}
.section-title{font-size:clamp(28px,4vw,46px);margin:14px 0 14px}
.section-head p{margin:0;color:var(--muted);font-size:17px}
.hero{
  position:relative;overflow:hidden;padding:72px 0 58px;
  background:
    radial-gradient(circle at 12% 20%,rgba(122,92,255,.18),transparent 28%),
    radial-gradient(circle at 86% 18%,rgba(0,212,255,.18),transparent 24%),
    linear-gradient(135deg,#F5F3FF 0%,#EFFBFF 50%,#FFF7FB 100%);
}
.hero:before,.hero:after{
  content:"";position:absolute;border-radius:50%;filter:blur(1px);pointer-events:none;
}
.hero:before{width:220px;height:220px;right:-70px;top:80px;background:rgba(217,79,112,.08)}
.hero:after{width:150px;height:150px;left:42%;bottom:-70px;background:rgba(255,200,87,.15)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;position:relative;z-index:1}
.hero-copy h1{font-size:clamp(48px,7vw,86px);margin:14px 0 8px;letter-spacing:-.04em}
.hero-copy .hero-subtitle{font-size:clamp(24px,3.4vw,38px);color:var(--deep);font-weight:800;margin:0 0 18px}
.hero-copy .hero-desc{font-size:17px;color:var(--muted);max-width:680px;margin:0 0 26px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-note{font-size:14px;color:var(--muted)}
.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.hero-points span,.pill{
  display:inline-flex;align-items:center;padding:8px 13px;border:1px solid rgba(91,108,255,.2);
  border-radius:999px;background:rgba(255,255,255,.72);color:var(--deep);font-size:14px;font-weight:800;
}
.hero-visual{position:relative}
.hero-visual:before{
  content:"";position:absolute;inset:8% 6% 3%;background:var(--gradient);opacity:.16;filter:blur(28px);border-radius:40px;
}
.hero-visual img{
  position:relative;display:block;width:100%;max-height:560px;object-fit:contain;
  filter:drop-shadow(0 28px 48px rgba(27,38,92,.22));
}
.highlight-strip{margin-top:-2px;background:#fff;border-top:1px solid rgba(91,108,255,.1);border-bottom:1px solid rgba(91,108,255,.1)}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.highlight-item{padding:28px 24px;border-right:1px solid rgba(91,108,255,.12)}
.highlight-item:last-child{border-right:0}
.highlight-item h3{margin:0 0 8px;font-size:18px}
.highlight-item p{margin:0;color:var(--muted);font-size:14px}
.channel-pills{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.channel-pill{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 10px 26px rgba(25,43,91,.07);
}
.channel-pill h3{margin:0 0 5px;font-size:17px}
.channel-pill p{margin:0 0 8px;color:var(--muted);font-size:14px}
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.media-copy p{color:var(--muted);margin:0 0 16px}
.content-img,.zone-card img,.app-section img,.hero-visual img,.page-hero img{
  max-width:100%;height:auto;object-fit:contain;
}
.content-img{display:block;width:100%;max-height:500px;border-radius:28px;background:#fff;box-shadow:var(--shadow)}
.card,.zone-card,.info-card,.review-card{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;
}
.zone-card{overflow:hidden}
.zone-card img{display:block;width:100%;max-height:330px;background:#F0F4FF}
.zone-body{padding:26px}
.zone-body h3{margin:0 0 10px;font-size:26px}
.zone-body p{margin:0 0 15px;color:var(--muted)}
.feature-list{display:grid;gap:10px;margin:18px 0}
.feature-list div{
  padding:11px 13px;border-radius:14px;background:#F7F8FF;border:1px solid rgba(91,108,255,.11);
}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{padding:24px}
.info-card h3{margin:0 0 8px;font-size:21px}
.info-card p{margin:0;color:var(--muted)}
.info-card .num{font-size:13px;color:var(--brand);font-weight:900;margin-bottom:9px}
.dark-section{background:var(--deep);color:#EEF2FF}
.dark-section h2,.dark-section h3{color:#fff}
.dark-section p{color:#C8D1EA}
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.security-card{
  display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)
}
.security-card img{width:100%;height:180px;object-fit:contain;border-radius:18px;background:#F3F6FF}
.security-card h3{margin:0 0 8px}
.security-card p{margin:0 0 10px;color:var(--muted)}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{padding:23px}
.review-card p{margin:0 0 14px;color:var(--text)}
.review-card .review-meta{color:var(--muted);font-size:14px}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}
.faq-item h3{margin:0 0 8px;font-size:18px}
.faq-item p{margin:0;color:var(--muted)}
.notice{
  background:linear-gradient(135deg,#FFF6DD,#F1F4FF 58%,#EAFBFF);
  border:1px solid rgba(255,200,87,.45);border-radius:28px;padding:28px;
}
.notice h2{margin:0 0 10px}
.notice p{margin:0;color:var(--muted)}
.page-hero{
  padding:64px 0;background:
    radial-gradient(circle at 75% 20%,rgba(0,212,255,.15),transparent 25%),
    linear-gradient(135deg,#F4F1FF,#EEF9FF);
}
.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.page-hero h1{font-size:clamp(38px,6vw,64px);margin:12px 0 16px}
.page-hero p{color:var(--muted);font-size:17px;margin:0 0 22px}
.page-hero img{display:block;width:100%;max-height:410px}
.rich-copy{max-width:920px}
.rich-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
.service-points{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-point{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(25,43,91,.08)}
.service-point h3{margin:0 0 8px;font-size:19px}
.service-point p{margin:0;color:var(--muted);font-size:15px}
.steps{counter-reset:step;display:grid;gap:15px}
.step{
  position:relative;padding:20px 22px 20px 72px;background:#fff;border:1px solid var(--line);border-radius:18px;
}
.step:before{
  counter-increment:step;content:counter(step);position:absolute;left:20px;top:18px;width:34px;height:34px;
  display:grid;place-items:center;border-radius:50%;background:var(--gradient);color:#fff;font-weight:900;
}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:var(--muted)}
.experience{
  padding:24px;border-radius:22px;background:linear-gradient(135deg,#fff,#F7F5FF);
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.experience p{margin:0;color:var(--text);font-size:17px}
.experience small{display:block;margin-top:12px;color:var(--muted)}
.mini-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mini-faq .faq-item{height:100%}
.page-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.secondary-btn{
  display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand);text-decoration:none;font-weight:800;
}
.band{background:linear-gradient(135deg,#11182F,#172552);color:#EAF0FF}
.band h2,.band h3{color:#fff}
.band p{color:#C6D0E7}
.site-footer{background:#0B1024;color:#EEF2FF;padding:58px 0 28px}
.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.15fr 1.85fr;gap:60px}
.footer-logo{color:#fff}
.footer-brand p{color:#AEB9D6;max-width:470px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h3{color:#fff;font-size:16px;margin:0 0 12px}
.footer-links a{display:block;color:#BBC5DE;text-decoration:none;margin:8px 0;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{width:min(1200px,calc(100% - 40px));margin:38px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:22px;color:#8997B8;font-size:13px}
.footer-bottom p{margin:0}
.mobile-quick-nav{display:none}
@media (max-width:1100px){
  .nav-core{gap:2px}
  .nav-core a{font-size:14px;padding:8px 9px}
  .site-logo{min-width:auto}
  .header-actions{min-width:auto}
  .channel-pills{grid-template-columns:repeat(2,1fr)}
  .cards-grid,.three-col,.reviews{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  body{padding-bottom:74px}
  .header-inner{width:min(100% - 24px,1280px);min-height:66px;display:grid;grid-template-columns:48px 1fr auto;gap:8px}
  .nav-core,.menu-toggle-desktop{display:none}
  .menu-toggle-mobile{display:inline-flex}
  .site-logo{justify-self:center}
  .site-logo span{display:none}
  .header-actions{justify-self:end}
  .header-cta{padding:10px 14px;font-size:14px}
  .hero,.page-hero{padding-top:44px}
  .hero-grid,.page-hero-grid,.media-split{grid-template-columns:1fr}
  .hero-copy{text-align:center}
  .hero-copy .hero-desc{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-points{justify-content:center}
  .hero-visual img{max-height:420px}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .highlight-item{border-bottom:1px solid rgba(91,108,255,.12)}
  .highlight-item:nth-child(even){border-right:0}
  .two-col,.security-grid{grid-template-columns:1fr}
  .service-points{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .mobile-quick-nav{
    position:fixed;left:12px;right:12px;bottom:10px;z-index:9998;
    display:grid;grid-template-columns:repeat(4,1fr);padding:8px;
    background:rgba(12,18,40,.95);border:1px solid rgba(255,255,255,.1);
    box-shadow:0 16px 40px rgba(11,16,36,.26);border-radius:18px;backdrop-filter:blur(12px);
  }
  .mobile-quick-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:#E8EDFF;font-size:12px}
  .mobile-quick-nav span{font-size:18px;line-height:1}
}
@media (max-width:640px){
  .container{width:min(100% - 28px,1200px)}
  .section{padding:60px 0}
  .section-tight{padding:38px 0}
  .hero-copy h1{font-size:50px}
  .hero-copy .hero-subtitle{font-size:24px}
  .highlight-grid,.channel-pills,.cards-grid,.three-col,.reviews,.mini-faq{grid-template-columns:1fr}
  .highlight-item{border-right:0}
  .security-card{grid-template-columns:1fr}
  .security-card img{height:230px}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}
  .drawer-nav{grid-template-columns:1fr}
  .site-drawer{padding:20px}
}
@media (max-width:390px){
  .header-cta{padding:9px 11px;font-size:13px}
  .site-logo img{max-height:38px}
  .footer-links{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}

.media-mosaic{
  display:grid;
  grid-template-columns:1.2fr .8fr 1.2fr;
  gap:16px;
  margin-top:34px;
}
.media-mosaic img{
  width:100%;
  height:220px;
  object-fit:contain;
  border-radius:22px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 14px 34px rgba(25,43,91,.09);
}
@media (max-width:860px){
  .media-mosaic{grid-template-columns:1fr 1fr}
  .media-mosaic img:last-child{grid-column:1/-1}
}
@media (max-width:520px){
  .media-mosaic{grid-template-columns:1fr}
  .media-mosaic img:last-child{grid-column:auto}
  .media-mosaic img{height:auto;max-height:260px}
}