:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --title: #131A35;
  --muted: #66708A;
  --soft: #9AA4BA;
  --brand: #5B6CFF;
  --brand-2: #7A5CFF;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --deep: #16213E;
  --nav: rgba(12,18,40,.94);
  --card: #FFFFFF;
  --border: rgba(91,108,255,.18);
  --shadow: 0 20px 46px rgba(25,43,91,.14);
  --radius: 24px;
  --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--brand); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px; transition: .2s; }
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: 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(calc(100% - 40px), 1280px); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; text-decoration: none; white-space: nowrap; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo span { font-size: 20px; letter-spacing: .02em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.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: 12px; }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { color: var(--brand); background: #fff; border: 1px solid var(--border); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-toggle { display: none; }
.site-drawer { position: fixed; z-index: 11002; top: 0; right: 0; width: min(390px, 92vw); height: 100dvh; background: #0F1730; color: #fff; padding: 24px; transform: translateX(105%); transition: transform .25s ease; overflow-y: auto; box-shadow: -20px 0 60px rgba(4,8,24,.35); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-mask { position: fixed; inset: 0; z-index: 11001; background: rgba(5,9,26,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-mask.is-visible { opacity: 1; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; text-decoration: none; }
.drawer-brand img { width: 40px; height: 40px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); color: #fff; font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 22px 0; }
.drawer-nav a { color: #EEF2FF; text-decoration: none; background: rgba(255,255,255,.06); padding: 11px 13px; border-radius: 13px; }
.drawer-nav a:hover { background: rgba(91,108,255,.3); }
.drawer-note { padding: 18px; border-radius: 18px; background: linear-gradient(145deg, rgba(91,108,255,.22), rgba(0,212,255,.1)); border: 1px solid rgba(255,255,255,.12); }
.drawer-note p { color: #C9D1EA; margin: 8px 0 0; font-size: 14px; }
.hero { position: relative; overflow: hidden; padding: 82px 0 72px; background: radial-gradient(circle at 12% 8%, rgba(122,92,255,.22), transparent 34%), radial-gradient(circle at 86% 18%, rgba(0,212,255,.18), transparent 30%), linear-gradient(145deg, #F9F4FF 0%, #EFF8FF 55%, #FFF7FB 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero::before { width: 240px; height: 240px; right: -70px; top: 90px; background: rgba(255,200,87,.16); }
.hero::after { width: 180px; height: 180px; left: -75px; bottom: 30px; background: rgba(217,79,112,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; gap: 54px; align-items: center; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before, .section-kicker::before { content: ""; width: 26px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--cyan)); }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.28; }
h1 { margin: 18px 0; font-size: clamp(42px, 6vw, 76px); letter-spacing: -.04em; }
.hero-subtitle { font-size: clamp(22px, 2.8vw, 34px); font-weight: 800; color: var(--deep); margin: 0 0 18px; }
.hero-copy { color: var(--muted); font-size: 17px; max-width: 690px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { background: rgba(255,255,255,.78); border: 1px solid var(--border); border-radius: 999px; padding: 8px 13px; color: var(--deep); font-size: 14px; box-shadow: 0 10px 28px rgba(25,43,91,.08); }
.hero-visual { position: relative; padding: 26px; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 4% 2% 12%; border-radius: 42px; transform: rotate(-4deg); background: linear-gradient(135deg, rgba(91,108,255,.18), rgba(0,212,255,.16)); }
.hero-visual img { position: relative; width: 100%; max-height: 610px; object-fit: contain; filter: drop-shadow(0 32px 44px rgba(25,43,91,.24)); }
.floating-card { position: absolute; z-index: 2; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.85); box-shadow: var(--shadow); border-radius: 18px; padding: 13px 16px; max-width: 220px; }
.floating-card strong { display: block; color: var(--title); }
.floating-card span { color: var(--muted); font-size: 13px; }
.float-one { left: 0; bottom: 18%; }
.float-two { right: 0; top: 18%; }
.section { padding: 86px 0; }
.section-soft { background: #EFF8FF; }
.section-gradient { background: linear-gradient(145deg, #F2F0FF, #F2FBFF 60%, #FFF7FB); }
.section-dark { background: #11182F; color: #EEF2FF; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-title { margin: 12px 0; font-size: clamp(30px, 4vw, 48px); }
.section-desc { color: var(--muted); margin: 0; }
.section-dark .section-title, .section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-desc, .section-dark p { color: #C8D0E6; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.highlight-strip { margin-top: -24px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.highlight-card { padding: 24px; }
.highlight-card b { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 14px; margin-bottom: 14px; color: #fff; background: linear-gradient(135deg, var(--brand), var(--cyan)); }
.highlight-card h2 { margin: 0 0 8px; font-size: 20px; }
.highlight-card p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 13px; }
.channel-pill { flex: 1 1 210px; display: flex; flex-direction: column; gap: 3px; background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 16px 18px; text-decoration: none; box-shadow: 0 12px 30px rgba(25,43,91,.08); transition: transform .2s ease, box-shadow .2s ease; }
.channel-pill:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.channel-pill strong { color: var(--title); }
.channel-pill span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; align-items: center; }
.split.reverse .media { order: 2; }
.media img, .content-img, .zone-card img, .app-section img, .hero-visual img { max-width: 100%; height: auto; object-fit: contain; }
.media { padding: 28px; min-height: 380px; display: flex; align-items: center; justify-content: center; background: linear-gradient(145deg, #fff, #EFF8FF); border-radius: 30px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.copy h2 { font-size: clamp(30px, 4vw, 46px); margin: 12px 0 18px; }
.copy p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 11px; }
.check-list li { position: relative; padding-left: 30px; color: var(--ink); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center; background: #E7EDFF; color: var(--brand); font-size: 13px; font-weight: 900; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.two-cards, .three-cards, .review-grid, .faq-grid, .stats-grid, .service-grid { display: grid; gap: 22px; }
.two-cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
.three-cards { grid-template-columns: repeat(3, minmax(0,1fr)); }
.zone-card { overflow: hidden; }
.zone-card .card-media { height: 250px; padding: 22px; display: flex; align-items: center; justify-content: center; background: linear-gradient(145deg, #F4F0FF, #EDFAFF); }
.zone-card .card-media img { width: 100%; height: 100%; object-fit: contain; }
.zone-card .card-body { padding: 26px; }
.zone-card h3 { font-size: 25px; margin: 0 0 12px; }
.zone-card p { color: var(--muted); }
.mini-list { margin: 16px 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.mini-list li { color: var(--ink); padding-left: 17px; position: relative; }
.mini-list li::before { content: ""; position: absolute; left: 0; top: .76em; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.info-card { padding: 28px; }
.info-card .num { display: inline-flex; width: 44px; height: 44px; border-radius: 14px; align-items: center; justify-content: center; color: #fff; font-weight: 900; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.info-card h3 { font-size: 22px; margin: 15px 0 9px; }
.info-card p { color: var(--muted); margin: 0; }
.security-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { display: grid; grid-template-columns: 190px 1fr; gap: 24px; align-items: center; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 26px; box-shadow: var(--shadow); }
.security-card img { width: 100%; max-height: 210px; object-fit: contain; }
.security-card p { color: var(--muted); }
.review-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.review-card { padding: 25px; }
.review-card .stars { color: var(--gold); letter-spacing: 3px; }
.review-card p { color: var(--ink); }
.review-card footer { color: var(--muted); font-size: 14px; }
.faq-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
details.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 18px 20px; box-shadow: 0 10px 30px rgba(25,43,91,.07); }
details.faq-item summary { cursor: pointer; font-weight: 800; color: var(--title); }
details.faq-item p { color: var(--muted); margin: 13px 0 2px; }
.notice { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; border-radius: 26px; padding: 26px; background: linear-gradient(135deg, #172343, #182F57); color: #fff; box-shadow: var(--shadow); }
.notice-icon { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; font-size: 28px; background: linear-gradient(135deg, rgba(91,108,255,.8), rgba(0,212,255,.6)); }
.notice h2 { color: #fff; margin: 0 0 6px; font-size: 25px; }
.notice p { color: #C9D3EA; margin: 0; }
.page-hero { padding: 76px 0 64px; overflow: hidden; background: radial-gradient(circle at 10% 8%, rgba(122,92,255,.2), transparent 32%), radial-gradient(circle at 90% 20%, rgba(0,212,255,.17), transparent 30%), linear-gradient(145deg, #F8F4FF, #EEF9FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 5vw, 64px); }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero-media { min-height: 390px; border-radius: 34px; padding: 26px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.page-hero-media img { width: 100%; max-height: 420px; object-fit: contain; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 32px; align-items: start; }
.article-body { background: #fff; border: 1px solid var(--border); border-radius: 28px; padding: clamp(26px, 4vw, 46px); box-shadow: var(--shadow); }
.article-body h2 { font-size: 30px; margin: 36px 0 14px; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: #48516A; margin: 0 0 18px; }
.article-body .lead { color: var(--deep); font-size: 19px; }
.sidebar { display: grid; gap: 18px; position: sticky; top: 96px; }
.side-card { background: #fff; border: 1px solid var(--border); border-radius: 22px; padding: 22px; box-shadow: 0 14px 34px rgba(25,43,91,.1); }
.side-card h2, .side-card h3 { margin: 0 0 12px; font-size: 20px; }
.side-card p { color: var(--muted); font-size: 14px; }
.side-links { display: grid; gap: 9px; }
.side-links a { text-decoration: none; padding: 9px 11px; border-radius: 12px; background: #F3F5FF; }
.steps { counter-reset: step; display: grid; gap: 16px; margin: 22px 0; }
.step { position: relative; padding: 18px 18px 18px 64px; border-radius: 18px; background: #F7F9FF; border: 1px solid var(--border); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 11px; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--cyan)); }
.step h3 { margin: 0 0 5px; font-size: 18px; }
.step p { margin: 0; font-size: 15px; }
.quote { margin: 26px 0; padding: 22px 24px; border-left: 4px solid var(--cyan); border-radius: 0 18px 18px 0; background: #EFF8FF; color: var(--deep); }
.cta-panel { padding: 34px; border-radius: 28px; background: linear-gradient(135deg, #5B6CFF, #7A5CFF 54%, #00A9D8); color: #fff; box-shadow: var(--shadow); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-panel h2 { color: #fff; margin: 0 0 8px; }
.cta-panel p { color: #EEF2FF; margin: 0; }
.cta-panel .secondary-btn { flex: 0 0 auto; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.footer-grid section { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid h2 { color: #fff; font-size: 17px; margin: 0 0 10px; }
.footer-grid a { color: #C7D0E8; text-decoration: none; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #AEB8D2; max-width: 420px; }
.footer-logo { margin-bottom: 9px; }
.footer-bottom { margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #AEB8D2; font-size: 13px; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom a { color: #C7D0E8; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .nav-core { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .hero-grid, .page-hero-grid { gap: 30px; }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .review-grid { grid-template-columns: repeat(2,1fr); }
  .security-panel { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 780px) {
  .container, .header-inner { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 66px; gap: 8px; }
  .desktop-menu-toggle { display: none; }
  .site-logo span { font-size: 17px; }
  .site-logo img { width: 38px; height: 38px; }
  .header-cta { min-height: 40px; padding: 0 15px; font-size: 13px; }
  .menu-toggle { width: 40px; height: 40px; }
  .hero { padding: 56px 0 58px; }
  .hero-grid, .page-hero-grid, .split, .two-cards, .three-cards, .faq-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 10px; }
  .float-one { left: 0; bottom: 8%; }
  .float-two { right: 0; top: 10%; }
  .section { padding: 64px 0; }
  .highlight-grid { grid-template-columns: 1fr; }
  .highlight-strip { margin-top: 0; padding-top: 22px; }
  .split.reverse .media { order: 0; }
  .media { min-height: 280px; }
  .zone-card .card-media { height: 220px; }
  .review-grid { grid-template-columns: 1fr; }
  .security-card { grid-template-columns: 1fr; }
  .security-card img { max-height: 240px; }
  .notice { grid-template-columns: auto 1fr; }
  .notice .main-btn { grid-column: 1 / -1; }
  .page-hero { padding: 54px 0; }
  .page-hero-media { min-height: 290px; }
  .sidebar { grid-template-columns: 1fr; }
  .cta-panel { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(4,1fr); position: fixed; z-index: 9998; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); border-radius: 18px; overflow: hidden; background: rgba(11,16,36,.96); backdrop-filter: blur(12px); box-shadow: 0 15px 36px rgba(5,8,24,.28); }
  .mobile-bottom-nav a { color: #C9D1EA; text-decoration: none; padding: 8px 4px 7px; display: flex; flex-direction: column; align-items: center; gap: 1px; font-size: 11px; }
  .mobile-bottom-nav a span { font-size: 18px; line-height: 1.2; }
  .mobile-bottom-nav a.active { color: #fff; background: rgba(91,108,255,.35); }
  .site-footer { padding-bottom: 98px; }
}
@media (max-width: 480px) {
  .site-logo span { display: none; }
  h1 { font-size: 44px; }
  .hero-subtitle { font-size: 24px; }
  .hero-copy, .page-hero p { font-size: 15px; }
  .hero-actions .main-btn, .hero-actions .secondary-btn { flex: 1 1 auto; }
  .floating-card { position: static; margin-top: 10px; max-width: none; }
  .hero-visual { padding: 8px 0; }
  .hero-visual::before { inset: 5% 0; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .article-body { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}