:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --title: #131A35;
  --brand: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --purple: #7A5CFF;
  --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%);
  --max: 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; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--purple); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,0.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,0.16); }
.header-inner { width: min(var(--max), calc(100% - 40px)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; flex: 0 0 auto; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.site-logo strong { font-size: 20px; letter-spacing: .06em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 0; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; white-space: nowrap; 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: 10px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; color: #fff; background: var(--gradient); border-radius: 999px; box-shadow: 0 14px 32px rgba(91,108,255,0.22); font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,0.3); }
.main-btn.compact { min-height: 42px; padding: 0 18px; font-size: 14px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-weight: 700; }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 13px; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; border-radius: 99px; background: #fff; }
.mobile-only { display: none; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(4,8,24,.58); z-index: 10000; opacity: 0; visibility: hidden; transition: .25s ease; }
.site-drawer { position: fixed; right: 0; top: 0; bottom: 0; width: min(390px, 88vw); z-index: 10001; background: #fff; box-shadow: -24px 0 60px rgba(5,11,34,.2); transform: translateX(104%); transition: transform .28s ease; padding: 22px; overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EFF2FF; color: var(--title); font-size: 26px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 22px 0; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; background: #F5F7FF; color: var(--ink); font-weight: 650; }
.drawer-nav a:hover { color: var(--brand); background: #EBEEFF; }
.drawer-note { padding: 16px; border-radius: 18px; background: #FFF8E7; color: #6E5A22; font-size: 14px; }
main { min-height: 60vh; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section-tight { padding: 54px 0; }
.section-kicker { color: var(--purple); font-weight: 800; letter-spacing: .1em; font-size: 14px; text-transform: uppercase; }
.section-title { margin: 10px 0 18px; color: var(--title); font-size: clamp(30px, 4vw, 50px); line-height: 1.18; letter-spacing: -.025em; }
.section-title.small { font-size: clamp(27px, 3vw, 38px); }
.section-lead { max-width: 760px; color: var(--muted); font-size: 18px; }
.hero { position: relative; overflow: hidden; padding: 86px 0 72px; background: radial-gradient(circle at 12% 10%, rgba(122,92,255,.22), transparent 35%), radial-gradient(circle at 88% 20%, rgba(0,212,255,.22), transparent 32%), linear-gradient(135deg, #F5F0FF 0%, #EDF8FF 56%, #FFF4FA 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; background: rgba(255,200,87,.18); left: -80px; bottom: -120px; }
.hero::after { width: 220px; height: 220px; background: rgba(217,79,112,.12); right: -80px; top: 100px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 52px; }
.hero h1 { margin: 10px 0 16px; color: var(--title); font-size: clamp(52px, 7vw, 88px); line-height: .98; letter-spacing: -.05em; }
.hero-subtitle { margin: 0 0 20px; color: var(--deep); font-size: clamp(24px, 3vw, 34px); font-weight: 800; }
.hero-copy { color: var(--muted); font-size: 17px; max-width: 700px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 9px 14px; border: 1px solid rgba(91,108,255,.2); background: rgba(255,255,255,.75); border-radius: 999px; color: var(--deep); font-size: 14px; font-weight: 700; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 10% 2% -4% 12%; border-radius: 36px; background: var(--gradient); opacity: .15; transform: rotate(4deg); }
.hero-visual img { position: relative; width: 100%; max-height: 610px; object-fit: contain; filter: drop-shadow(0 34px 46px rgba(28,43,96,.22)); }
.feature-strip { margin-top: -24px; position: relative; z-index: 2; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-item { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: 0 16px 36px rgba(25,43,91,.1); }
.feature-item strong { display: block; color: var(--title); margin-bottom: 7px; font-size: 17px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 14px; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 11px; }
.pill-link { display: inline-flex; flex-direction: column; gap: 3px; min-width: 168px; flex: 1 1 180px; padding: 14px 17px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 24px rgba(25,43,91,.07); color: var(--ink); }
.pill-link strong { color: var(--title); }
.pill-link span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.split.reverse .media { order: 2; }
.split.reverse .copy { order: 1; }
.media-frame { border-radius: 28px; padding: 18px; background: linear-gradient(145deg, #EAEFFF, #F5FAFF); border: 1px solid var(--line); box-shadow: var(--shadow); }
.media-frame img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 20px; }
.copy p { color: var(--muted); }
.inline-list { display: grid; gap: 12px; margin: 24px 0; }
.inline-list div { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.75); border: 1px solid var(--line); }
.inline-list b { color: var(--brand); }
.text-link { font-weight: 800; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; overflow: hidden; }
.card-body, .zone-card-body { padding: 24px; }
.card h3, .zone-card h3, .info-card h3 { color: var(--title); margin: 0 0 10px; }
.card p, .zone-card p, .info-card p { color: var(--muted); margin: 0 0 14px; }
.zone-card img, .card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: #F1F5FF; }
.zone-card .mini-points { margin: 16px 0; padding-left: 20px; color: var(--muted); }
.soft-blue { background: #EFF8FF; }
.soft-gold { background: #FFF4D6; }
.soft-purple { background: #F1EEFF; }
.dark-panel { background: #11182F; color: #EEF2FF; }
.dark-panel .section-title, .dark-panel h2, .dark-panel h3 { color: #fff; }
.dark-panel p { color: #C7D0E8; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { display: grid; grid-template-columns: 170px 1fr; gap: 22px; align-items: center; padding: 24px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.security-card img { width: 170px; height: 170px; object-fit: contain; border-radius: 18px; background: #F3F6FF; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 22px; }
.review-card p { color: var(--muted); margin: 0 0 16px; }
.review-card strong { color: var(--title); }
.faq-list { display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: 18px; background: #fff; padding: 20px 22px; box-shadow: 0 10px 28px rgba(25,43,91,.07); }
.faq-item h3 { color: var(--title); margin: 0 0 8px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.notice-panel { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 26px 30px; border-radius: 24px; background: linear-gradient(135deg, #FFF6D9, #F5F0FF 55%, #EAF7FF); border: 1px solid rgba(255,200,87,.4); }
.notice-icon { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: #fff; font-size: 26px; }
.notice-panel h2 { margin: 0 0 5px; color: var(--title); font-size: 23px; }
.notice-panel p { margin: 0; color: var(--muted); }
.inner-hero { padding: 74px 0 58px; background: radial-gradient(circle at 82% 10%, rgba(0,212,255,.2), transparent 30%), linear-gradient(135deg, #F3EEFF, #EDF8FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 42px; }
.inner-hero h1 { margin: 10px 0 16px; color: var(--title); font-size: clamp(40px, 5vw, 64px); line-height: 1.08; }
.inner-hero p { color: var(--muted); font-size: 18px; }
.inner-hero img { width: 100%; max-height: 440px; object-fit: contain; filter: drop-shadow(0 26px 36px rgba(25,43,91,.18)); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
.article-card { padding: 32px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.article-card + .article-card { margin-top: 24px; }
.article-card h2 { margin: 0 0 16px; color: var(--title); font-size: 30px; }
.article-card h3 { margin: 22px 0 8px; color: var(--title); }
.article-card p { color: var(--muted); }
.article-card ul { color: var(--muted); padding-left: 22px; }
.sidebar { position: sticky; top: 100px; display: grid; gap: 18px; }
.sidebar-card { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 32px rgba(25,43,91,.08); }
.sidebar-card h3 { margin: 0 0 12px; color: var(--title); }
.sidebar-card a { display: block; padding: 8px 0; border-bottom: 1px dashed rgba(91,108,255,.18); }
.sidebar-card a:last-child { border-bottom: 0; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { position: relative; padding: 18px 18px 18px 64px; border-radius: 18px; background: #F7F8FF; border: 1px solid var(--line); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--gradient); color: #fff; font-weight: 800; }
.step h3 { margin: 0 0 4px; font-size: 17px; }
.step p { margin: 0; font-size: 14px; }
.cta-band { padding: 34px; border-radius: 28px; background: var(--gradient); color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { color: #fff; margin: 0 0 8px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.86); }
.cta-band .secondary-btn { border-color: rgba(255,255,255,.5); color: var(--deep); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-item { padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(25,43,91,.08); }
.contact-item h3 { margin: 0 0 10px; color: var(--title); }
.contact-item p { margin: 0; color: var(--muted); }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 24px; }
.footer-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 60px; }
.footer-brand p { max-width: 420px; color: #AEB8D1; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.footer-links h3 { color: #fff; font-size: 16px; margin: 0 0 14px; }
.footer-links a { display: block; color: #B9C3DD; margin: 7px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 38px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 24px; color: #8994B1; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-bottom a { color: #AEB8D1; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
  .nav-core { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 820px) {
  .header-inner { width: min(100% - 24px, var(--max)); min-height: 64px; gap: 10px; }
  .mobile-only { display: inline-flex; }
  .desktop-only { display: none; }
  .site-logo strong { display: none; }
  .site-logo img { width: 38px; height: 38px; }
  .header-actions .main-btn { min-height: 38px; padding: 0 14px; }
  .hero, .inner-hero { padding-top: 56px; }
  .hero-grid, .inner-hero-grid, .split { grid-template-columns: 1fr; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .split.reverse .media, .split.reverse .copy { order: initial; }
  .card-grid, .card-grid.two, .security-grid, .contact-grid { grid-template-columns: 1fr; }
  .notice-panel { grid-template-columns: auto 1fr; }
  .notice-panel .main-btn { grid-column: 1 / -1; justify-self: start; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; }
  .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 9000; 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,.12); border-radius: 20px; padding: 9px 8px; box-shadow: 0 16px 38px rgba(4,8,24,.25); }
  .mobile-bottom-nav a { color: #D9E0F3; text-align: center; font-size: 11px; display: grid; gap: 2px; }
  .mobile-bottom-nav span { font-size: 18px; line-height: 1; }
  body { padding-bottom: 86px; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 26px, var(--max)); }
  .section { padding: 62px 0; }
  .section-tight { padding: 42px 0; }
  .hero h1 { font-size: 54px; }
  .hero-subtitle { font-size: 24px; }
  .hero-copy, .inner-hero p, .section-lead { font-size: 16px; }
  .feature-grid, .card-grid.four, .review-grid, .sidebar { grid-template-columns: 1fr; }
  .feature-strip { margin-top: -10px; }
  .security-card { grid-template-columns: 1fr; }
  .security-card img { width: 100%; height: 220px; }
  .article-card { padding: 24px 20px; }
  .cta-band { padding: 26px 22px; align-items: flex-start; flex-direction: column; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
}