: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;
  --line: 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%);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--lavender); }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 16px; 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(25,43,91,0.16); }
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 24px; display: grid; grid-template-columns: minmax(180px, 1fr) auto minmax(210px, 1fr); align-items: center; gap: 20px; }
.site-logo, .footer-logo, .drawer-brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.site-logo { color: #fff; justify-self: start; }
.site-logo img { max-height: 44px; width: auto; display: block; object-fit: contain; }
.site-logo strong { color: #fff; font-size: 20px; white-space: nowrap; letter-spacing: .03em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 7px; white-space: nowrap; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; font-size: 15px; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,0.16); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.main-btn, .ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border-radius: 999px; font-weight: 700; line-height: 1.2; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,0.22); }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,0.3); }
.ghost-btn { color: var(--primary); background: #fff; border: 1px solid var(--line); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.07); border-radius: 14px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 99px; }
.mobile-menu-toggle { display: none; }
.site-main { min-height: 60vh; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 84px 0; }
.section-tight { padding: 46px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.7), rgba(245,247,255,.2)); }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #8a6200; background: var(--soft-gold, #FFF4D6); border: 1px solid rgba(255,200,87,.34); padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3, .section-title { color: var(--title); margin-top: 0; line-height: 1.24; }
h1 { font-size: clamp(42px, 6vw, 78px); letter-spacing: -.035em; margin-bottom: 20px; }
h2, .section-title { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.02em; margin-bottom: 18px; }
h3 { font-size: 22px; margin-bottom: 10px; }
p { margin: 0 0 16px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 780px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-head .lead { max-width: 700px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 700; }
.text-link:hover { gap: 10px; }
.hero { position: relative; overflow: hidden; padding: 86px 0 70px; background: radial-gradient(circle at 10% 15%, rgba(122,92,255,.18), transparent 30%), radial-gradient(circle at 88% 24%, rgba(0,212,255,.18), transparent 28%), linear-gradient(135deg, #f8f5ff 0%, #edf8ff 50%, #fff5fb 100%); }
.hero:before, .hero:after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero:before { width: 300px; height: 300px; left: -120px; bottom: -100px; background: rgba(91,108,255,.10); }
.hero:after { width: 220px; height: 220px; right: 8%; top: 16%; border: 1px solid rgba(91,108,255,.20); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 58px; }
.hero-copy { max-width: 650px; }
.hero-copy h1 span { display: block; color: var(--primary); }
.hero-copy .hero-subtitle { font-size: clamp(24px, 3vw, 36px); color: var(--deep); font-weight: 800; margin-bottom: 18px; }
.hero-copy .lead { max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { background: rgba(255,255,255,.8); border: 1px solid rgba(91,108,255,.16); color: var(--deep); padding: 8px 13px; border-radius: 999px; box-shadow: 0 10px 22px rgba(25,43,91,.08); }
.hero-visual { position: relative; }
.hero-visual:before { content: ""; position: absolute; inset: 9% 5% 3%; background: var(--gradient); opacity: .16; filter: blur(34px); border-radius: 50%; }
.hero-visual img { position: relative; z-index: 1; width: 100%; height: auto; max-height: 590px; object-fit: contain; filter: drop-shadow(0 32px 42px rgba(28,42,90,.18)); }
.floating-note { position: absolute; z-index: 2; max-width: 210px; padding: 14px 16px; background: rgba(255,255,255,.92); border: 1px solid rgba(91,108,255,.18); border-radius: 18px; box-shadow: var(--shadow); color: var(--deep); }
.floating-note strong { display: block; color: var(--primary); }
.floating-note.one { left: -5%; bottom: 10%; }
.floating-note.two { right: -4%; top: 12%; }
.highlight-strip { margin-top: -18px; position: relative; z-index: 5; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 24px 26px; position: relative; }
.highlight-item:not(:last-child):after { content: ""; position: absolute; top: 22%; bottom: 22%; right: 0; width: 1px; background: var(--line); }
.highlight-item b { color: var(--primary); font-size: 18px; display: block; margin-bottom: 5px; }
.highlight-item p { color: var(--muted); font-size: 14px; margin: 0; line-height: 1.65; }
.pill-nav { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.pill-link { min-height: 104px; background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: 20px; padding: 17px; transition: .2s ease; }
.pill-link:hover { transform: translateY(-3px); background: #fff; box-shadow: 0 16px 32px rgba(25,43,91,.10); }
.pill-link strong { display: block; color: var(--title); margin-bottom: 4px; }
.pill-link span { color: var(--muted); font-size: 13px; line-height: 1.55; display: block; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.media-card { overflow: hidden; }
.media-gallery { padding: 16px; background: linear-gradient(135deg, #f5f2ff, #effbff); }
.media-gallery > img { border-radius: 18px; background: #fff; }
.media-mini-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.media-mini-row img { width: 100%; height: 120px; object-fit: contain; background: #fff; border-radius: 14px; padding: 6px; }
.media-card img, .zone-card img, .app-section img, .content-img { width: 100%; height: auto; object-fit: contain; display: block; }
.card-body { padding: 28px; }
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.feature-split.reverse .feature-copy { order: 2; }
.feature-split.reverse .feature-media { order: 1; }
.feature-copy { padding: 14px 4px; }
.feature-copy .lead { margin-bottom: 22px; }
.mini-list { display: grid; gap: 12px; margin: 22px 0; padding: 0; list-style: none; }
.mini-list li { display: flex; align-items: flex-start; gap: 11px; color: var(--muted); }
.mini-list li:before { content: "✓"; flex: 0 0 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: #EFF8FF; color: var(--primary); font-weight: 900; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.zone-card { overflow: hidden; }
.zone-card .zone-img-wrap { background: linear-gradient(135deg, #eef3ff, #eefcff); padding: 22px; }
.zone-card .zone-img-wrap img { max-height: 260px; object-fit: contain; }
.zone-card .card-body p { color: var(--muted); }
.zone-card .service-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.zone-card .service-points span { padding: 6px 10px; border-radius: 999px; background: #F5F7FF; color: var(--deep); font-size: 13px; border: 1px solid var(--line); }
.security-panel { background: linear-gradient(135deg, #11182F, #18264b); color: #EEF2FF; border-radius: 30px; padding: 34px; box-shadow: 0 24px 55px rgba(11,16,36,.22); }
.security-panel h2, .security-panel h3 { color: #fff; }
.security-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 34px; align-items: center; }
.security-images { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-images img { width: 100%; max-height: 260px; object-fit: contain; background: rgba(255,255,255,.07); border-radius: 20px; padding: 12px; }
.security-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
.security-list div { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 15px; }
.security-list strong { color: #7EEBFF; display: block; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-card footer { display: flex; align-items: center; gap: 10px; color: var(--deep); font-weight: 800; }
.review-card footer:before { content: ""; width: 34px; height: 34px; border-radius: 50%; background: var(--gradient); opacity: .85; }
.faq-list { display: grid; gap: 14px; }
details.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 22px; box-shadow: 0 10px 24px rgba(25,43,91,.07); }
details.faq-item summary { cursor: pointer; list-style: none; padding: 20px 30px 20px 0; color: var(--title); font-weight: 800; position: relative; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary:after { content: "+"; position: absolute; right: 0; top: 17px; font-size: 24px; color: var(--primary); }
details.faq-item[open] summary:after { content: "−"; }
details.faq-item p { color: var(--muted); padding-bottom: 20px; }
.notice { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; background: linear-gradient(135deg, #fff8df, #f6f2ff); border: 1px solid rgba(255,200,87,.42); border-radius: 24px; padding: 24px; box-shadow: 0 16px 34px rgba(25,43,91,.08); }
.notice-mark { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: var(--gradient); color: #fff; font-size: 24px; font-weight: 900; }
.notice h3 { margin-bottom: 4px; }
.notice p { color: var(--muted); margin: 0; }
.inner-hero { padding: 74px 0 56px; background: radial-gradient(circle at 14% 20%, rgba(122,92,255,.18), transparent 28%), radial-gradient(circle at 84% 30%, rgba(0,212,255,.16), transparent 30%), linear-gradient(135deg, #f8f6ff, #edf9ff); overflow: hidden; }
.inner-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 48px; }
.inner-hero h1 { font-size: clamp(38px, 5vw, 64px); }
.inner-hero img { width: 100%; max-height: 440px; object-fit: contain; filter: drop-shadow(0 28px 38px rgba(25,43,91,.16)); }
.breadcrumb { display: flex; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.breadcrumb a { color: var(--primary); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: start; }
.article-card { background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: clamp(26px, 4vw, 48px); box-shadow: var(--shadow); }
.article-card h2 { font-size: clamp(26px, 3vw, 36px); margin-top: 38px; }
.article-card h2:first-child { margin-top: 0; }
.article-card h3 { margin-top: 28px; }
.article-card p { color: #4d5872; }
.article-card .content-img { margin: 28px auto; max-height: 460px; border-radius: 22px; background: #f4f7ff; padding: 18px; }
.article-card ul { margin: 16px 0 24px; padding-left: 0; list-style: none; display: grid; gap: 10px; }
.article-card li { color: var(--muted); padding-left: 26px; position: relative; }
.article-card li:before { content: "●"; position: absolute; left: 5px; top: -1px; color: var(--primary); font-size: 11px; }
.sidebar { display: grid; gap: 18px; position: sticky; top: 96px; }
.sidebar-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: 0 16px 34px rgba(25,43,91,.09); }
.sidebar-card h3 { font-size: 19px; }
.sidebar-card p, .sidebar-card li { color: var(--muted); font-size: 14px; }
.sidebar-card ul { padding-left: 18px; margin-bottom: 0; }
.sidebar-links { display: grid; gap: 9px; }
.sidebar-links a { display: flex; justify-content: space-between; padding: 10px 12px; border-radius: 12px; background: #f7f8ff; color: var(--deep); }
.sidebar-links a:hover { background: #eef7ff; color: var(--primary); }
.feedback-box { margin: 34px 0 0; background: linear-gradient(135deg, #EEF8FF, #F7F2FF); border: 1px solid var(--line); border-radius: 22px; padding: 24px; }
.feedback-box blockquote { margin: 0; color: var(--deep); font-size: 17px; }
.feedback-box cite { display: block; margin-top: 10px; color: var(--muted); font-style: normal; }
.cta-panel { display: flex; justify-content: space-between; align-items: center; gap: 24px; background: var(--dark-card); color: #EEF2FF; border-radius: 28px; padding: 32px; margin-top: 32px; }
.cta-panel h2 { color: #fff; margin: 0 0 8px; font-size: 28px; }
.cta-panel p { color: #bdc8e7; margin: 0; max-width: 700px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 24px; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr 1.85fr; gap: 60px; }
.footer-logo img { max-height: 44px; width: auto; object-fit: contain; }
.footer-logo strong { color: #fff; font-size: 20px; }
.footer-brand p { color: #aeb9d7; margin-top: 18px; max-width: 430px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links h3 { color: #fff; font-size: 16px; }
.footer-links a { display: block; color: #aeb9d7; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: #7EEBFF; }
.footer-bottom { width: min(1180px, calc(100% - 40px)); margin: 42px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 24px; color: #8f9abc; font-size: 13px; }
.footer-bottom p { margin: 0; }
.site-drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(390px, 92vw); z-index: 11001; background: #fff; transform: translateX(105%); transition: transform .28s ease; box-shadow: -20px 0 50px rgba(11,16,36,.18); overflow-y: auto; padding: 22px; }
.site-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 11000; background: rgba(7,11,25,.54); opacity: 0; transition: opacity .25s ease; }
.drawer-overlay.visible { opacity: 1; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-brand img { max-height: 40px; width: auto; object-fit: contain; }
.drawer-brand span { color: var(--title); font-weight: 900; font-size: 19px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 13px; background: #f0f3ff; color: var(--deep); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; gap: 6px; padding: 18px 0; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; color: var(--deep); padding: 11px 13px; border-radius: 13px; }
.drawer-nav a:hover, .drawer-nav a.active { background: #eef7ff; color: var(--primary); }
.drawer-note { background: #11182F; color: #EEF2FF; border-radius: 18px; padding: 18px; }
.drawer-note strong { color: #7EEBFF; }
.drawer-note p { color: #bdc8e7; margin: 6px 0 0; font-size: 14px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .header-inner { grid-template-columns: 170px 1fr 190px; gap: 10px; padding: 0 18px; }
  .nav-core { gap: 2px; }
  .nav-core a { padding: 8px 9px; font-size: 14px; }
  .site-logo strong { display: none; }
  .pill-nav { grid-template-columns: repeat(3, 1fr); }
  .content-layout { grid-template-columns: minmax(0,1fr) 280px; }
}
@media (max-width: 860px) {
  .site-header { position: sticky; }
  .header-inner { min-height: 66px; grid-template-columns: 52px 1fr auto; padding: 0 14px; }
  .mobile-menu-toggle { display: inline-flex; justify-self: start; }
  .desktop-menu-toggle, .nav-core { display: none; }
  .site-logo { justify-self: center; }
  .site-logo img { max-width: 128px; max-height: 38px; }
  .header-actions { justify-self: end; }
  .header-cta { min-height: 40px; padding: 9px 14px; font-size: 14px; }
  .hero, .inner-hero { padding-top: 54px; }
  .hero-grid, .inner-hero-grid, .feature-split, .security-grid, .content-layout { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; max-width: 780px; margin: 0 auto; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .hero-visual { max-width: 650px; margin: 0 auto; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-item:nth-child(2):after { display: none; }
  .highlight-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .three-col, .review-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 620px) {
  body { padding-bottom: 72px; }
  .container, .footer-inner, .footer-bottom { width: min(100% - 28px, 1180px); }
  .section { padding: 58px 0; }
  .section-tight { padding: 34px 0; }
  .header-inner { grid-template-columns: 46px 1fr auto; }
  .menu-toggle { width: 40px; height: 40px; }
  .site-logo img { max-width: 112px; }
  .header-cta { padding: 8px 12px; min-height: 38px; font-size: 13px; }
  h1 { font-size: 44px; }
  h2, .section-title { font-size: 31px; }
  .hero { padding: 44px 0 52px; }
  .hero-grid { gap: 34px; }
  .hero-copy .hero-subtitle { font-size: 25px; }
  .floating-note { position: static; max-width: none; margin: 10px 0; }
  .highlight-strip { margin-top: -10px; }
  .highlight-grid, .two-col, .three-col, .review-grid, .sidebar { grid-template-columns: 1fr; }
  .highlight-item:not(:last-child):after { display: none; }
  .highlight-item { border-bottom: 1px solid var(--line); }
  .highlight-item:last-child { border-bottom: 0; }
  .pill-nav { grid-template-columns: repeat(2, 1fr); }
  .pill-link { min-height: 112px; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .feature-split.reverse .feature-copy, .feature-split.reverse .feature-media { order: initial; }
  .security-panel { padding: 24px 18px; }
  .security-images, .security-list { grid-template-columns: 1fr; }
  .media-mini-row { grid-template-columns: 1fr; }
  .media-mini-row img { height: auto; max-height: 220px; }
  .notice { grid-template-columns: auto 1fr; }
  .notice .text-link { grid-column: 1 / -1; }
  .inner-hero { padding: 42px 0 38px; }
  .inner-hero-grid { gap: 22px; }
  .inner-hero h1 { font-size: 38px; }
  .article-card { border-radius: 22px; padding: 24px 20px; }
  .cta-panel { align-items: flex-start; flex-direction: column; padding: 24px 20px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 8px; z-index: 9900; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(11,16,36,.94); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; padding: 8px 5px max(8px, env(safe-area-inset-bottom)); box-shadow: 0 14px 34px rgba(11,16,36,.26); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 1px; color: #aeb9d7; font-size: 12px; }
  .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a.active { color: #7EEBFF; }
}
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; transition: none !important; }
}