:root {
  --bg: #F5F7FF;
  --nav: rgba(12,18,40,.94);
  --title: #131A35;
  --primary: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --violet: #7A5CFF;
  --text: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --card: #FFFFFF;
  --dark-card: #11182F;
  --border: 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: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif; line-height: 1.75; overflow-x: hidden; }
img { max-width: 100%; height: auto; object-fit: contain; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
main { min-height: 65vh; }
.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% - 36px)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; letter-spacing: .4px; white-space: nowrap; }
.site-logo img { width: 42px; max-height: 44px; display: block; border-radius: 12px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; flex: 1; }
.nav-core a { color: #EEF2FF; 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: 12px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; background: var(--gradient); color: #fff; border-radius: 999px; box-shadow: 0 14px 32px rgba(91,108,255,.22); font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.main-btn.compact { min-height: 40px; padding: 0 18px; font-size: 14px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.8); color: var(--primary); font-weight: 700; }
.desktop-menu-btn,.mobile-menu-btn { width: 42px; height: 42px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 50%; background: rgba(255,255,255,.1); }
.desktop-menu-btn span,.mobile-menu-btn span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-btn { display: none; }
.drawer-mask { position: fixed; inset: 0; z-index: 10000; background: rgba(5,10,28,.56); opacity: 0; visibility: hidden; transition: .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px,90vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(7,13,38,.28); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.drawer-open { overflow: hidden; }
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-head .site-logo { color: var(--title); }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; gap: 6px; padding: 18px 0; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; border-radius: 14px; color: var(--text); }
.drawer-nav a:hover,.drawer-nav a.active { color: var(--primary); background: #EFF2FF; }
.drawer-note { padding: 16px; border-radius: 18px; background: #FFF8E7; color: #705822; font-size: 13px; }
.container { width: min(1180px,calc(100% - 36px)); margin: 0 auto; }
.section { padding: 86px 0; }
.section.compact { padding: 64px 0; }
.section-tint { background: linear-gradient(180deg,rgba(234,247,255,.9),rgba(245,247,255,.2)); }
.section-dark { color: #fff; background: radial-gradient(circle at 15% 10%,rgba(0,212,255,.16),transparent 32%),radial-gradient(circle at 85% 90%,rgba(122,92,255,.22),transparent 34%),#11182F; }
.section-dark h2,.section-dark h3,.section-dark .section-title { color: #fff; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--primary); font-weight: 800; font-size: 13px; letter-spacing: 1.4px; text-transform: uppercase; }
.section-kicker::before { content: ''; width: 24px; height: 3px; border-radius: 3px; background: var(--gradient); }
.section-title { margin: 0 0 14px; color: var(--title); font-size: clamp(30px,4vw,48px); line-height: 1.18; letter-spacing: -.8px; }
.section-lead { max-width: 780px; margin: 0; color: var(--muted); font-size: 17px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 34px; }
.text-link { color: var(--primary); font-weight: 700; }
.hero { position: relative; overflow: hidden; padding: 76px 0 82px; background: radial-gradient(circle at 12% 18%,rgba(122,92,255,.2),transparent 28%),radial-gradient(circle at 88% 20%,rgba(0,212,255,.2),transparent 27%),linear-gradient(145deg,#F6F1FF 0%,#EAF8FF 55%,#FFF6FB 100%); }
.hero::after { content: ''; position: absolute; width: 320px; height: 320px; right: -120px; bottom: -150px; border-radius: 50%; background: rgba(217,79,112,.1); filter: blur(2px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero-copy h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(58px,9vw,112px); line-height: .92; letter-spacing: -4px; }
.hero-subtitle { margin: 0 0 20px; color: var(--deep); font-size: clamp(24px,3.5vw,42px); line-height: 1.25; font-weight: 800; }
.hero-copy p { margin: 0; max-width: 680px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points span { padding: 8px 14px; border: 1px solid rgba(91,108,255,.16); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--deep); font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; min-height: 500px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ''; position: absolute; inset: 8% 2% 4% 10%; border-radius: 40px; background: linear-gradient(145deg,rgba(91,108,255,.22),rgba(0,212,255,.14)); transform: rotate(4deg); }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 520px; filter: drop-shadow(0 30px 30px rgba(39,47,90,.2)); }
.highlight-bar { position: relative; z-index: 2; margin-top: -24px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; border: 1px solid rgba(91,108,255,.14); border-radius: 28px; background: rgba(255,255,255,.88); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.highlight-item { padding: 18px; border-radius: 20px; background: linear-gradient(145deg,#fff,#F7F9FF); }
.highlight-item strong { display: block; margin-bottom: 6px; color: var(--title); font-size: 16px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-link { display: inline-flex; flex-direction: column; gap: 2px; min-width: 170px; flex: 1 1 180px; padding: 14px 18px; border: 1px solid var(--border); border-radius: 999px; background: #fff; box-shadow: 0 10px 22px rgba(25,43,91,.07); }
.pill-link strong { color: var(--title); font-size: 14px; }
.pill-link span { color: var(--muted); font-size: 12px; }
.card,.zone-card,.info-card,.review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.content-split { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 54px; }
.content-split.reverse { grid-template-columns: 1.08fr .92fr; }
.content-split.reverse .content-image { order: 2; }
.content-image { padding: 20px; border-radius: 30px; background: linear-gradient(145deg,#EEF1FF,#EAFBFF); box-shadow: var(--shadow); }
.content-image img { width: 100%; max-height: 460px; }
.content-copy h2 { margin: 0 0 18px; color: var(--title); font-size: clamp(30px,4vw,46px); line-height: 1.2; }
.content-copy p { color: var(--muted); }
.mini-points { display: grid; gap: 12px; margin: 22px 0; padding: 0; list-style: none; }
.mini-points li { position: relative; padding-left: 28px; color: var(--text); }
.mini-points li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.two-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.four-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.zone-card { overflow: hidden; }
.zone-card .zone-media { padding: 16px 16px 0; }
.zone-card img { width: 100%; height: 230px; object-fit: contain; border-radius: 18px; background: linear-gradient(145deg,#F1F3FF,#EAFBFF); }
.zone-body { padding: 24px; }
.zone-body h3 { margin: 0 0 10px; color: var(--title); font-size: 24px; }
.zone-body p { margin: 0 0 14px; color: var(--muted); }
.service-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.service-list li { display: flex; gap: 10px; color: var(--text); font-size: 14px; }
.service-list li::before { content: ''; width: 8px; height: 8px; margin-top: 9px; flex: 0 0 auto; border-radius: 50%; background: var(--gradient); }
.security-panel { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.security-card { padding: 28px; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.security-card img { width: 100%; max-height: 260px; margin-bottom: 18px; }
.security-card h3 { margin: 0 0 10px; color: var(--title); font-size: 25px; }
.security-card p { margin: 0; color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card .stars { color: var(--gold); letter-spacing: 2px; }
.review-card p { color: var(--text); }
.review-card strong { color: var(--primary); font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 22px 24px; border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: 0 12px 28px rgba(25,43,91,.07); }
.faq-item h3 { margin: 0 0 8px; color: var(--title); font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.notice { padding: 28px; border: 1px solid rgba(255,200,87,.45); border-radius: 24px; background: linear-gradient(145deg,#FFF9EA,#FFF3F8); }
.notice h2,.notice h3 { margin-top: 0; color: var(--title); }
.notice p { margin-bottom: 0; color: #6B5A3F; }
.inner-hero { position: relative; overflow: hidden; padding: 74px 0; background: radial-gradient(circle at 8% 15%,rgba(122,92,255,.22),transparent 26%),radial-gradient(circle at 90% 70%,rgba(0,212,255,.22),transparent 28%),linear-gradient(145deg,#F7F2FF,#EAF9FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 48px; }
.inner-hero h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(40px,6vw,70px); line-height: 1.08; }
.inner-hero p { margin: 0; color: var(--muted); font-size: 17px; }
.inner-hero img { width: 100%; max-height: 430px; filter: drop-shadow(0 30px 32px rgba(25,43,91,.2)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--primary); font-size: 13px; font-weight: 700; }
.article-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 30px; align-items: start; }
.article-card { padding: 34px; border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.article-card h2 { margin: 32px 0 12px; color: var(--title); font-size: 28px; }
.article-card h2:first-child { margin-top: 0; }
.article-card p { color: var(--muted); }
.article-card .lead { color: var(--text); font-size: 18px; }
.sidebar { position: sticky; top: 98px; display: grid; gap: 18px; }
.sidebar-card { padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 32px rgba(25,43,91,.1); }
.sidebar-card h3 { margin: 0 0 12px; color: var(--title); }
.sidebar-card p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.sidebar-links { display: grid; gap: 8px; }
.sidebar-links a { padding: 9px 12px; border-radius: 12px; background: #F4F6FF; color: var(--primary); font-size: 14px; font-weight: 700; }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 22px 0; }
.step { position: relative; padding: 18px 18px 18px 64px; border-radius: 18px; background: #F7F9FF; border: 1px solid rgba(91,108,255,.12); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 800; }
.step strong { display: block; color: var(--title); }
.step span { color: var(--muted); font-size: 14px; }
.quote-box { margin: 22px 0; padding: 22px; border-left: 4px solid var(--primary); border-radius: 0 16px 16px 0; background: #F3F5FF; color: var(--text); }
.page-faq { margin-top: 28px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 20px; }
.footer-inner { width: min(1180px,calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr 2fr; gap: 60px; }
.footer-brand p { max-width: 360px; color: #AEB7D4; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.footer-links h3 { margin: 0 0 14px; color: #fff; font-size: 15px; }
.footer-links a { display: block; margin: 8px 0; color: #AEB7D4; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(1180px,calc(100% - 36px)); margin: 42px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #8F99B8; font-size: 12px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  .nav-core { display: none; }
  .mobile-menu-btn { display: inline-flex; }
  .desktop-menu-btn { display: none; }
  .header-inner { width: min(100% - 24px,800px); gap: 12px; }
  .header-inner > .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .hero-grid,.inner-hero-grid,.content-split,.content-split.reverse { grid-template-columns: 1fr; }
  .content-split.reverse .content-image { order: 0; }
  .hero-visual { min-height: auto; }
  .highlight-grid,.four-grid { grid-template-columns: repeat(2,1fr); }
  .three-grid,.review-grid { grid-template-columns: repeat(2,1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 680px) {
  body { padding-bottom: 68px; }
  .header-inner { min-height: 64px; }
  .header-inner > .site-logo img { width: 36px; }
  .header-inner > .site-logo strong { display: none; }
  .main-btn.compact { min-height: 36px; padding: 0 14px; font-size: 12px; }
  .hero { padding: 54px 0 70px; }
  .hero-copy h1 { letter-spacing: -2px; }
  .hero-copy p,.section-lead,.inner-hero p { font-size: 15px; }
  .section { padding: 62px 0; }
  .section.compact { padding: 48px 0; }
  .section-head { display: block; }
  .section-head .text-link { display: inline-block; margin-top: 14px; }
  .highlight-grid,.two-grid,.three-grid,.four-grid,.review-grid,.security-panel,.sidebar { grid-template-columns: 1fr; }
  .highlight-bar { margin-top: -34px; }
  .highlight-grid { padding: 12px; }
  .pill-link { border-radius: 20px; }
  .inner-hero { padding: 54px 0; }
  .article-card { padding: 24px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; }
  .mobile-bottom-nav { position: fixed; left: 12px; right: 12px; bottom: 10px; z-index: 9998; display: grid; grid-template-columns: repeat(4,1fr); min-height: 58px; padding: 6px; border: 1px solid rgba(91,108,255,.16); border-radius: 20px; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); box-shadow: 0 18px 42px rgba(12,18,40,.2); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--muted); font-size: 11px; border-radius: 14px; }
  .mobile-bottom-nav a span { line-height: 1; font-size: 18px; }
  .mobile-bottom-nav a.active { color: var(--primary); background: #EEF1FF; }
}