:root{
  --bg:#F5F7FF;
  --nav:rgba(12,18,40,.94);
  --title:#131A35;
  --brand:#5B6CFF;
  --deep:#16213E;
  --cyan:#00D4FF;
  --gold:#FFC857;
  --rose:#D94F70;
  --lav:#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);
  --grad: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:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  line-height:1.75;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button,input,textarea{font:inherit}
.skip-link{
  position:fixed;left:12px;top:-60px;z-index:13000;background:#fff;color:var(--title);
  padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)
}
.skip-link:focus{top:12px}
.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:24px
}
.site-logo{
  display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;
  letter-spacing:.02em;white-space:nowrap
}
.site-logo img{max-height:44px;width:auto}
.site-logo span{font-size:20px}
.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;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}
.main-btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;
  background:var(--grad);color:#fff;text-decoration:none;border-radius:999px;
  box-shadow:0 14px 32px rgba(91,108,255,.22);font-weight:700;border:0
}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(91,108,255,.28)}
.main-btn.compact{min-height:42px;padding:0 18px;font-size:14px}
.menu-trigger{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:13px;
  background:rgba(255,255,255,.08);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer
}
.menu-trigger span{width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-menu-trigger{display:none}
.drawer-overlay{
  position:fixed;inset:0;z-index:11000;background:rgba(5,8,22,.52);opacity:0;
  visibility:hidden;transition:.25s ease
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:12000;width:min(390px,88vw);height:100vh;
  background:#fff;box-shadow:-24px 0 60px rgba(10,17,45,.24);padding:24px;
  transform:translateX(105%);transition:.28s ease;overflow-y:auto
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid #eef0fb}
.drawer-brand{display:flex;align-items:center;gap:12px}
.drawer-brand img{width:46px;height:46px;object-fit:contain}
.drawer-brand strong{display:block;color:var(--title);font-size:18px}
.drawer-brand small{display:block;color:var(--muted)}
.drawer-close{border:0;background:#F3F5FF;width:40px;height:40px;border-radius:12px;font-size:28px;line-height:1;color:var(--title);cursor:pointer}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.drawer-nav a,.drawer-links a{
  text-decoration:none;color:var(--text);background:#F7F8FF;border:1px solid rgba(91,108,255,.12);
  border-radius:14px;padding:11px 13px
}
.drawer-nav a:hover,.drawer-links a:hover{color:var(--brand);border-color:rgba(91,108,255,.35)}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}

main{display:block}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.section{padding:78px 0}
.section.compact{padding:56px 0}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;color:#9B6B00;background:#FFF4D6;
  border:1px solid rgba(255,200,87,.48);border-radius:999px;padding:6px 11px;font-size:13px;font-weight:700
}
.section-title,h1,h2,h3{color:var(--title);line-height:1.25}
.section-title{font-size:clamp(30px,4vw,48px);margin:14px 0 18px}
.section-lead{max-width:780px;color:var(--muted);font-size:18px;margin:0 0 28px}
.muted{color:var(--muted)}
.text-link{color:var(--brand);text-decoration:none;font-weight:700}
.text-link:hover{text-decoration:underline}

.hero{
  position:relative;overflow:hidden;padding:74px 0 66px;
  background:
    radial-gradient(circle at 14% 16%,rgba(122,92,255,.16),transparent 28%),
    radial-gradient(circle at 86% 18%,rgba(0,212,255,.14),transparent 26%),
    linear-gradient(135deg,#F9F4FF 0%,#EEF5FF 48%,#FFF5FB 100%)
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none
}
.hero::before{width:280px;height:280px;background:rgba(91,108,255,.08);left:-80px;bottom:-90px}
.hero::after{width:240px;height:240px;background:rgba(217,79,112,.07);right:-80px;top:50px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px;position:relative;z-index:1}
.hero h1{font-size:clamp(48px,7vw,82px);margin:14px 0 10px;letter-spacing:-.04em}
.hero-subtitle{font-size:clamp(24px,3.2vw,38px);font-weight:800;color:var(--deep);margin:0 0 18px}
.hero-copy{font-size:17px;color:var(--muted);max-width:690px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px}
.ghost-link{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;
  border:1px solid rgba(91,108,255,.24);background:rgba(255,255,255,.72);border-radius:999px;
  color:var(--brand);font-weight:700;text-decoration:none
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-points span{
  background:rgba(255,255,255,.78);border:1px solid rgba(91,108,255,.14);
  border-radius:999px;padding:7px 12px;color:var(--text);font-size:14px
}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:9% 6% 0;background:var(--grad);filter:blur(50px);opacity:.14;border-radius:38px
}
.hero-visual img{
  position:relative;z-index:1;width:100%;max-height:590px;object-fit:contain;
  filter:drop-shadow(0 30px 50px rgba(28,43,93,.18))
}

.highlight-strip{margin-top:-4px;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)}
.highlight-item{padding:26px 22px;position:relative}
.highlight-item:not(:last-child)::after{content:"";position:absolute;right:0;top:24px;bottom:24px;width:1px;background:#E8EBF7}
.highlight-item strong{display:block;color:var(--title);font-size:17px;margin-bottom:5px}
.highlight-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}

.channel-pills{display:flex;flex-wrap:wrap;gap:12px}
.channel-pill{
  min-width:180px;flex:1 1 180px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:16px 17px;text-decoration:none;box-shadow:0 12px 28px rgba(25,43,91,.07)
}
.channel-pill strong{display:block;color:var(--title);margin-bottom:5px}
.channel-pill span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.channel-pill em{display:inline-block;color:var(--brand);font-style:normal;font-size:13px;margin-top:8px;font-weight:700}

.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.split.reverse .media{order:2}
.split.reverse .copy{order:1}
.media-card,.card,.zone-card,.info-card,.review-card,.faq-item,.service-card{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px
}
.media-card{padding:18px}
.media-card img,.zone-card img,.app-section img,.content-img{width:100%;height:auto;object-fit:contain;border-radius:16px}
.copy p{color:var(--muted)}
.feature-list{display:grid;gap:12px;margin:22px 0}
.feature-row{
  display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start;
  padding:14px 0;border-bottom:1px dashed #DFE4F3
}
.feature-row:last-child{border-bottom:0}
.feature-index{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  background:#EFF2FF;color:var(--brand);font-weight:800
}
.feature-row h3{font-size:16px;margin:0 0 4px}
.feature-row p{margin:0;font-size:14px;color:var(--muted)}

.double-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.zone-card{padding:22px}
.zone-card img{max-height:300px;margin-bottom:18px}
.zone-card h2{font-size:27px;margin:8px 0 12px}
.zone-card p{color:var(--muted)}
.mini-points{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.mini-points span{background:#F4F6FF;border:1px solid rgba(91,108,255,.12);border-radius:999px;padding:6px 10px;font-size:13px;color:var(--text)}

.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{padding:22px}
.info-card img{width:100%;height:210px;object-fit:contain;border-radius:16px;background:#F8FAFF}
.info-card h3{font-size:22px;margin:16px 0 10px}
.info-card p{color:var(--muted);font-size:15px}

.safety-wrap{
  background:linear-gradient(135deg,#151D3A 0%,#11182F 50%,#172B4E 100%);
  border-radius:30px;padding:38px;color:#EEF2FF;position:relative;overflow:hidden
}
.safety-wrap::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(0,212,255,.09);right:-80px;bottom:-120px}
.safety-wrap h2{color:#fff;font-size:34px;margin-top:0}
.safety-wrap p{color:#C8D0E8}
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative;z-index:1}
.safety-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:22px}
.safety-panel img{max-height:240px;width:100%;object-fit:contain;border-radius:14px;margin-bottom:16px}
.safety-panel h3{color:#fff;margin:0 0 8px}
.safety-panel ul{margin:12px 0 0;padding-left:20px;color:#D7DDF0}

.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{padding:22px}
.review-card .stars{color:#A76B00;letter-spacing:2px;font-size:13px}
.review-card p{color:var(--text);margin:12px 0 18px}
.review-card small{color:var(--muted)}

.faq-list{display:grid;gap:14px}
.faq-item{padding:20px 22px}
.faq-item h3{font-size:18px;margin:0 0 8px}
.faq-item p{margin:0;color:var(--muted)}
.notice{
  background:linear-gradient(135deg,#FFF9E7,#FFF3F7 55%,#EEF7FF);
  border:1px solid rgba(217,79,112,.15);border-radius:24px;padding:26px
}
.notice h2{margin:0 0 10px;font-size:26px}
.notice p{margin:0;color:var(--muted)}

.page-hero{
  background:
    radial-gradient(circle at 85% 10%,rgba(0,212,255,.12),transparent 27%),
    linear-gradient(135deg,#F7F3FF,#EDF6FF);
  padding:68px 0 58px
}
.page-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.page-hero h1{font-size:clamp(38px,5vw,60px);margin:12px 0 16px}
.page-hero p{color:var(--muted);font-size:17px}
.page-hero img{width:100%;max-height:430px;object-fit:contain;filter:drop-shadow(0 24px 44px rgba(25,43,91,.14))}
.breadcrumb{font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--brand);text-decoration:none}

.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}
.article-card h2{font-size:29px;margin:34px 0 12px}
.article-card h2:first-child{margin-top:0}
.article-card h3{font-size:20px;margin:24px 0 8px}
.article-card p{color:var(--muted);margin:0 0 15px}
.article-card ul{color:var(--muted);padding-left:20px}
.sidebar{display:grid;gap:18px;position:sticky;top:96px}
.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 15px 34px rgba(25,43,91,.09)}
.sidebar-card h2,.sidebar-card h3{font-size:20px;margin:0 0 10px}
.sidebar-card p{color:var(--muted);font-size:14px;margin:0 0 14px}
.sidebar-links{display:grid;gap:8px}
.sidebar-links a{color:var(--brand);text-decoration:none;font-size:14px}

.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.service-card{padding:20px}
.service-card h3{margin:0 0 8px;font-size:19px}
.service-card p{margin:0;color:var(--muted);font-size:14px}
.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feedback-card{background:#F8F9FF;border:1px solid rgba(91,108,255,.12);border-radius:17px;padding:18px}
.feedback-card p{margin:0 0 10px;color:var(--text)}
.feedback-card small{color:var(--muted)}
.page-cta{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(135deg,#EEF1FF,#F7F2FF 52%,#EAFBFF);border:1px solid var(--line);
  border-radius:26px;padding:30px
}
.page-cta h2{margin:0 0 8px;font-size:29px}
.page-cta p{margin:0;color:var(--muted);max-width:720px}

.site-footer{background:#0B1024;color:#EEF2FF;padding:54px 0 0}
.footer-inner{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.2fr 2fr;gap:60px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:20px;font-weight:800}
.footer-logo img{width:48px;height:48px;object-fit:contain}
.footer-brand p{color:#AAB3CC;max-width:420px}
.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.footer-columns section{display:grid;align-content:start;gap:8px}
.footer-columns h2{color:#fff;font-size:15px;margin:0 0 6px}
.footer-columns a{color:#B9C2DA;text-decoration:none;font-size:14px}
.footer-columns a:hover{color:#fff}
.footer-bottom{margin-top:42px;border-top:1px solid rgba(255,255,255,.08);padding:18px 20px;text-align:center;color:#9AA4BA;font-size:13px}
.mobile-bottom-nav{display:none}

@media (max-width:1060px){
  .nav-core{gap:2px}
  .nav-core a{padding:8px 8px;font-size:14px}
  .hero-grid,.page-hero-grid{gap:32px}
  .review-grid{grid-template-columns:1fr 1fr}
  .content-layout{grid-template-columns:1fr 280px}
}
@media (max-width:900px){
  .header-inner{width:min(100% - 28px,1280px)}
  .nav-core,.desktop-menu-trigger{display:none}
  .mobile-menu-trigger{display:inline-flex;grid-column:1;grid-row:1}
  .header-inner{display:grid;grid-template-columns:44px 1fr auto}
  .site-logo{justify-self:center;grid-column:2}
  .site-logo span{display:none}
  .header-actions{grid-column:3}
  .hero-grid,.page-hero-grid,.split,.content-layout{grid-template-columns:1fr}
  .hero-visual{max-width:680px;margin:0 auto}
  .split.reverse .media,.split.reverse .copy{order:initial}
  .sidebar{position:static;grid-template-columns:1fr 1fr}
  .highlight-grid{grid-template-columns:1fr 1fr}
  .highlight-item:nth-child(2)::after{display:none}
  .highlight-item:nth-child(-n+2){border-bottom:1px solid #E8EBF7}
  .triple-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:680px){
  body{padding-bottom:70px}
  .container{width:min(100% - 28px,1200px)}
  .section{padding:58px 0}
  .section.compact{padding:44px 0}
  .site-header{backdrop-filter:blur(10px)}
  .header-inner{min-height:64px;width:calc(100% - 20px);gap:8px}
  .site-logo img{max-height:38px}
  .main-btn.compact{padding:0 13px;min-height:38px;font-size:13px}
  .menu-trigger{width:38px;height:38px}
  .hero{padding:50px 0 48px}
  .hero h1{font-size:52px}
  .hero-subtitle{font-size:26px}
  .hero-copy{font-size:15px}
  .hero-actions{align-items:stretch}
  .main-btn,.ghost-link{width:100%}
  .highlight-grid,.double-grid,.triple-grid,.safety-grid,.review-grid,.service-grid,.feedback-grid{grid-template-columns:1fr}
  .highlight-item{border-bottom:1px solid #E8EBF7}
  .highlight-item::after{display:none}
  .highlight-item:last-child{border-bottom:0}
  .channel-pill{min-width:100%}
  .safety-wrap{padding:24px;border-radius:24px}
  .drawer{left:0;right:auto;transform:translateX(-105%);width:min(360px,90vw)}
  .drawer.is-open{transform:translateX(0)}
  .drawer-nav,.drawer-links{grid-template-columns:1fr}
  .page-hero{padding:48px 0 42px}
  .article-card{padding:22px}
  .sidebar{grid-template-columns:1fr}
  .page-cta{display:block;padding:24px}
  .page-cta .main-btn{margin-top:18px}
  .footer-inner{width:calc(100% - 28px)}
  .footer-columns{grid-template-columns:1fr 1fr}
  .mobile-bottom-nav{
    position:fixed;left:10px;right:10px;bottom:10px;z-index:9500;display:grid;
    grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.96);border:1px solid rgba(255,255,255,.08);
    box-shadow:0 12px 34px rgba(5,8,22,.25);border-radius:18px;overflow:hidden;backdrop-filter:blur(12px)
  }
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:#E7ECFF;text-decoration:none;font-size:11px;padding:8px 4px}
  .mobile-bottom-nav span{font-size:17px;line-height:1}
}
@media (max-width:420px){
  .footer-columns{grid-template-columns:1fr}
  .hero h1{font-size:44px}
  .hero-subtitle{font-size:23px}
}