:root {
  --bg: #F5F7FF;
  --nav: rgba(12,18,40,0.94);
  --title: #131A35;
  --primary: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --lavender: #7A5CFF;
  --text: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --card: #FFFFFF;
  --dark-card: #11182F;
  --border: rgba(91,108,255,0.18);
  --shadow: 0 20px 46px rgba(25,43,91,0.14);
  --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; object-fit: contain; }
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(25,43,91,0.16); }
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-weight: 800; white-space: nowrap; }
.site-logo img { width: 42px; max-height: 44px; display: block; }
.site-logo span { font-size: 20px; letter-spacing: .03em; }
.nav-core { display: flex; align-items: center; gap: 8px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--gradient); color: #fff; text-decoration: none; border-radius: 999px; padding: 13px 24px; box-shadow: 0 14px 32px rgba(91,108,255,.22); border: 0; 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,.28); }
.main-btn.compact { padding: 10px 18px; font-size: 14px; }
.main-btn.full { width: 100%; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 22px; border-radius: 999px; border: 1px solid rgba(91,108,255,.28); color: var(--primary); background: #fff; text-decoration: none; font-weight: 700; }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); display: grid; place-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 3px; }
.mobile-only { display: none; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(6,10,24,.56); opacity: 0; visibility: hidden; transition: .25s ease; z-index: 10000; }
.drawer-overlay.show { opacity: 1; visibility: visible; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px, 92vw); height: 100vh; z-index: 10001; background: #fff; padding: 24px; transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; box-shadow: -24px 0 60px rgba(9,16,45,.22); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; color: var(--title); margin-bottom: 20px; }
.drawer-head strong { font-size: 24px; }
.drawer-close { width: 40px; height: 40px; border: 0; background: #EEF0FF; color: var(--title); border-radius: 50%; font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; background: #F5F7FF; border-radius: 14px; color: var(--title); font-weight: 700; }
.drawer-nav a:hover { background: #EEF8FF; color: var(--primary); }
.drawer-note { margin-top: 24px; padding: 20px; border-radius: 18px; background: linear-gradient(135deg,#F1EEFF,#ECFAFF); color: var(--muted); }
main { min-height: 70vh; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section.small { padding: 54px 0; }
.section-kicker { display: inline-block; color: var(--primary); background: #ECEEFF; border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.section-title { margin: 14px 0 12px; color: var(--title); font-size: clamp(28px,4vw,46px); line-height: 1.2; }
.section-lead { max-width: 780px; margin: 0; color: var(--muted); font-size: 17px; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; }
.card { padding: 28px; }
.card h3 { margin: 0 0 10px; color: var(--title); }
.card p { margin: 0 0 12px; color: var(--muted); }
.card img, .zone-card img, .app-section img, .hero-visual img { max-width: 100%; height: auto; object-fit: contain; }
.hero { padding: 72px 0 54px; background: radial-gradient(circle at 82% 20%, rgba(0,212,255,.18), transparent 24%), radial-gradient(circle at 14% 18%, rgba(217,79,112,.13), transparent 24%), linear-gradient(135deg,#F1EDFF 0%,#EDF8FF 52%,#FFF1FA 100%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero h1 { margin: 12px 0 14px; font-size: clamp(48px,8vw,82px); line-height: 1.02; color: var(--title); letter-spacing: -.04em; }
.hero h2 { margin: 0 0 22px; font-size: clamp(24px,4vw,38px); color: var(--lavender); line-height: 1.25; }
.hero p { color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 8px 14px; border-radius: 999px; background: rgba(255,255,255,.8); border: 1px solid rgba(91,108,255,.16); color: var(--deep); font-weight: 700; }
.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.hero-visual:before, .hero-visual:after { content:""; position:absolute; border-radius:50%; filter: blur(2px); }
.hero-visual:before { width: 330px; height: 330px; background: rgba(122,92,255,.16); top: 30px; right: 20px; }
.hero-visual:after { width: 180px; height: 180px; background: rgba(0,212,255,.18); bottom: 30px; left: 10px; }
.hero-visual img { position: relative; z-index: 2; width: 100%; max-height: 520px; }
.highlight-strip { margin-top: -22px; position: relative; z-index: 4; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.highlight-item { padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 14px 34px rgba(25,43,91,.1); }
.highlight-item strong { display: block; color: var(--title); font-size: 18px; margin-bottom: 6px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.pill-nav a { min-width: 180px; flex: 1 1 180px; text-decoration: none; padding: 15px 18px; background: #fff; border: 1px solid var(--border); border-radius: 999px; color: var(--title); box-shadow: 0 10px 26px rgba(25,43,91,.07); }
.pill-nav strong { color: var(--primary); margin-right: 6px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.split.reverse .media { order: 2; }
.media { padding: 20px; border-radius: 28px; background: linear-gradient(135deg,#ECEAFF,#ECFBFF); border: 1px solid var(--border); }
.media img { width: 100%; max-height: 470px; }
.content-panel h2 { margin: 12px 0; font-size: clamp(30px,4vw,46px); color: var(--title); line-height: 1.2; }
.content-panel p { color: var(--muted); }
.feature-list { display: grid; gap: 12px; margin: 22px 0; }
.feature-list div { padding: 16px 18px; border-radius: 16px; background: rgba(255,255,255,.78); border: 1px solid var(--border); }
.feature-list strong { display: block; color: var(--title); }
.two-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.four-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.zone-card { overflow: hidden; }
.zone-card .zone-media { background: linear-gradient(135deg,#F0EDFF,#EAF9FF); padding: 16px; }
.zone-card .zone-media img { width: 100%; height: 260px; }
.zone-body { padding: 26px; }
.zone-body h3 { margin: 0 0 10px; color: var(--title); font-size: 24px; }
.zone-body p { color: var(--muted); }
.zone-points { padding-left: 18px; color: var(--muted); }
.dark-section { background: #10172E; color: #EEF2FF; }
.dark-section .section-title, .dark-section .card h3 { color: #fff; }
.dark-section .section-lead, .dark-section .card p { color: #CAD2ED; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 30px; }
.security-card { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 24px; padding: 24px; }
.security-card img { width: 170px; height: 170px; }
.security-card h3 { margin: 0 0 8px; color: #fff; }
.security-card p { margin: 0; color: #CAD2ED; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 30px; }
.review-card { padding: 24px; }
.review-card p { margin: 0 0 14px; color: var(--text); }
.review-card span { color: var(--soft); font-size: 14px; }
.faq-list { display: grid; gap: 14px; margin-top: 30px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 20px 24px; }
.faq-item h3 { margin: 0 0 8px; color: var(--title); font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.notice-box { padding: 28px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#EDF8FF); border: 1px solid rgba(255,200,87,.38); }
.notice-box h2 { margin-top: 0; color: var(--title); }
.page-hero { padding: 74px 0; background: radial-gradient(circle at 80% 10%,rgba(0,212,255,.18),transparent 28%),linear-gradient(135deg,#F0ECFF,#EAF8FF 60%,#FFF3F9); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 44px; align-items: center; }
.page-hero h1 { margin: 12px 0 16px; font-size: clamp(38px,6vw,64px); line-height: 1.1; color: var(--title); }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero img { width: 100%; max-height: 430px; }
.article-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 30px; align-items: start; }
.article-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); padding: 34px; }
.article-card h2 { color: var(--title); margin: 34px 0 12px; font-size: 28px; }
.article-card h2:first-child { margin-top: 0; }
.article-card p { color: var(--muted); margin: 0 0 16px; }
.article-card ul { color: var(--muted); padding-left: 22px; }
.sidebar-card { background: #11182F; color: #EEF2FF; border-radius: 24px; padding: 26px; position: sticky; top: 98px; }
.sidebar-card h3 { margin-top: 0; }
.sidebar-card p { color: #C8D1EC; }
.sidebar-links { display: grid; gap: 10px; margin-top: 18px; }
.sidebar-links a { color: #fff; text-decoration: none; padding: 11px 13px; border-radius: 12px; background: rgba(255,255,255,.08); }
.sidebar-links a:hover { background: rgba(0,212,255,.16); }
.service-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin: 26px 0; }
.service-cards .card { box-shadow: none; }
.quote { margin: 26px 0; padding: 22px; border-left: 4px solid var(--primary); border-radius: 0 18px 18px 0; background: #F2F4FF; color: var(--text); }
.cta-band { padding: 34px; border-radius: 28px; background: linear-gradient(135deg,#161E3A,#222C53); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { margin: 0 0 8px; color: #fff; }
.cta-band p { margin: 0; color: #CBD3EB; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 0; }
.footer-inner { width: min(1200px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.4fr; gap: 60px; }
.footer-logo { margin-bottom: 14px; }
.footer-brand p { max-width: 360px; color: #BFC8E4; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.footer-links h3 { margin: 0 0 12px; color: #fff; }
.footer-links a { display: block; color: #BFC8E4; text-decoration: none; margin: 7px 0; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 44px; padding: 18px 20px; text-align: center; border-top: 1px solid rgba(255,255,255,.08); color: #9FAACA; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  .nav-core { display: none; }
  .mobile-only { display: grid; }
  .desktop-menu { display: none; }
  .header-inner { gap: 10px; padding: 0 14px; }
  .site-logo span { font-size: 17px; }
  .site-logo img { width: 36px; }
  .main-btn.compact { padding: 9px 13px; }
  .hero-grid, .page-hero-grid, .split, .article-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 360px; }
  .hero-visual img { max-height: 400px; }
  .highlight-grid, .four-grid { grid-template-columns: repeat(2,1fr); }
  .three-grid, .review-grid, .service-cards { grid-template-columns: repeat(2,1fr); }
  .security-grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1200px); }
  .section { padding: 58px 0; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 54px; }
  .hero h2 { font-size: 27px; }
  .hero-visual { min-height: 300px; }
  .hero-actions { align-items: stretch; }
  .hero-actions a { flex: 1 1 100%; }
  .highlight-grid, .two-grid, .three-grid, .four-grid, .review-grid, .service-cards { grid-template-columns: 1fr; }
  .highlight-strip { margin-top: 0; padding-top: 18px; }
  .security-card { grid-template-columns: 1fr; }
  .security-card img { margin: 0 auto; }
  .article-card { padding: 24px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .site-footer { padding-bottom: 76px; }
  .mobile-bottom-nav { position: fixed; display: grid; grid-template-columns: repeat(4,1fr); left: 12px; right: 12px; bottom: 10px; z-index: 9000; background: rgba(11,16,36,.95); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; box-shadow: 0 14px 36px rgba(8,13,31,.28); }
  .mobile-bottom-nav a { display: grid; place-items: center; gap: 1px; padding: 7px 4px; color: #EEF2FF; text-decoration: none; font-size: 12px; }
  .mobile-bottom-nav span { font-size: 18px; line-height: 1; }
}