:root {
  --bg: #F5F7FF; --ink: #1F2740; --muted: #66708A; --soft: #9AA4BA;
  --title: #131A35; --brand: #5B6CFF; --purple: #7A5CFF; --cyan: #00D4FF;
  --gold: #FFC857; --rose: #D94F70; --navy: #16213E; --deep: #0B1024;
  --card: #FFFFFF; --line: 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(--ink); font-family: "PingFang SC","Microsoft YaHei",Arial,sans-serif; line-height: 1.78; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--purple); }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
main { min-height: 65vh; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(1280px, calc(100% - 32px)); 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; min-width: max-content; }
.site-logo img { width: 42px; max-height: 44px; object-fit: contain; }
.site-logo strong { font-size: 20px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: var(--gradient); box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,.3); }
.secondary-btn { color: var(--brand); background: #fff; border: 1px solid var(--line); }
.menu-toggle { width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 14px; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { height: 2px; width: 100%; background: #fff; border-radius: 5px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,11,29,.55); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100vh; padding: 24px; background: #fff; transform: translateX(102%); transition: transform .28s ease; overflow-y: auto; box-shadow: -20px 0 50px rgba(11,16,36,.2); }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; }
.drawer-brand img { width: 40px; height: 40px; object-fit: contain; }
.drawer-close { border: 0; width: 42px; height: 42px; border-radius: 50%; background: #EEF1FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 11px 13px; border-radius: 14px; color: var(--ink); background: #F6F8FF; border: 1px solid transparent; }
.drawer-nav a:hover { border-color: var(--line); color: var(--brand); }
.drawer-note { margin-top: 22px; padding: 18px; border-radius: 18px; background: linear-gradient(135deg,#EFF8FF,#FFF4F8); }
.drawer-note p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.container { width: min(1200px, calc(100% - 36px)); margin: 0 auto; }
.section { padding: 86px 0; }
.section-sm { padding: 56px 0; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; letter-spacing: .08em; font-size: 14px; }
.section-kicker:before { content: ""; width: 24px; height: 3px; border-radius: 3px; background: var(--gradient); }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.26; }
h1 { font-size: clamp(42px, 7vw, 76px); margin: 14px 0 18px; letter-spacing: -.04em; }
h2 { font-size: clamp(30px, 4vw, 46px); margin: 12px 0 18px; }
h3 { font-size: 21px; margin: 0 0 10px; }
p { margin: 0 0 18px; }
.lead { color: var(--muted); font-size: 18px; max-width: 760px; }
.hero { position: relative; overflow: hidden; padding: 74px 0 62px; background: radial-gradient(circle at 14% 20%,rgba(122,92,255,.19),transparent 32%),radial-gradient(circle at 86% 32%,rgba(0,212,255,.2),transparent 30%),linear-gradient(145deg,#F8F5FF 0%,#EFFBFF 58%,#FFF7FC 100%); }
.hero:before,.hero:after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); }
.hero:before { width: 180px; height: 180px; right: 5%; top: 8%; background: rgba(255,200,87,.16); }
.hero:after { width: 120px; height: 120px; left: 4%; bottom: -35px; background: rgba(217,79,112,.12); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; }
.hero-copy .lead { max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span,.pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 8px 13px; background: rgba(255,255,255,.8); border: 1px solid var(--line); color: var(--title); font-size: 14px; }
.hero-visual { position: relative; padding: 20px; }
.hero-visual:before { content: ""; position: absolute; inset: 6% 12%; border-radius: 36px; background: var(--gradient); opacity: .14; filter: blur(28px); }
.hero-visual img { position: relative; width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 28px 44px rgba(25,43,91,.22)); }
.highlights { margin-top: -18px; position: relative; z-index: 4; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.card,.zone-card,.info-card,.review-card,.faq-item { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.highlight-card { padding: 22px; }
.highlight-card strong { display: block; color: var(--title); margin-bottom: 6px; }
.highlight-card p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; padding: 15px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 25px rgba(25,43,91,.08); }
.channel-pill strong { color: var(--title); margin-right: 8px; }
.channel-pill span { color: var(--muted); font-size: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.split.reverse .visual { order: 2; }
.visual-card { padding: 22px; border-radius: 30px; background: linear-gradient(145deg,#EDF4FF,#FFF8FC); border: 1px solid var(--line); }
.visual-card img { width: 100%; max-height: 520px; object-fit: contain; }
.text-card { padding: 34px; }
.text-card ul,.content-card ul { padding-left: 20px; color: var(--muted); }
.text-link { display: inline-flex; gap: 7px; align-items: center; font-weight: 700; }
.text-link:after { content: "→"; transition: transform .2s ease; }
.text-link:hover:after { transform: translateX(4px); }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.content-card { overflow: hidden; }
.content-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#EEF4FF,#FFF6FB); padding: 12px; }
.content-card .card-body { padding: 26px; }
.content-card p { color: var(--muted); }
.three-card { min-height: 100%; padding: 28px; position: relative; overflow: hidden; }
.three-card:after { content: ""; position: absolute; width: 90px; height: 90px; border-radius: 50%; right: -28px; bottom: -28px; background: rgba(0,212,255,.12); }
.security-wrap { padding: 34px; background: linear-gradient(135deg,#11182F,#18264E); color: #EEF2FF; border-radius: 30px; box-shadow: var(--shadow); }
.security-wrap h2,.security-wrap h3 { color: #fff; }
.security-wrap p { color: #C8D1EA; }
.security-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 32px; align-items: center; }
.security-images { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-images img { width: 100%; height: 240px; object-fit: contain; border-radius: 22px; background: rgba(255,255,255,.08); padding: 12px; }
.reviews-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--soft); }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg,#EAF7FF,#F8EFFF); color: var(--brand); font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 22px 24px; box-shadow: 0 12px 30px rgba(25,43,91,.08); }
.faq-item h3 { font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.notice { padding: 26px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#FFF6F8); border: 1px solid rgba(255,200,87,.45); }
.notice h2 { font-size: 28px; }
.page-hero { padding: 72px 0; background: radial-gradient(circle at 12% 18%,rgba(122,92,255,.17),transparent 30%),radial-gradient(circle at 88% 20%,rgba(0,212,255,.16),transparent 28%),linear-gradient(145deg,#F8F6FF,#EFFBFF); }
.page-hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 44px; align-items: center; }
.page-hero h1 { font-size: clamp(38px,6vw,64px); }
.page-hero img { width: 100%; max-height: 460px; object-fit: contain; filter: drop-shadow(0 24px 38px rgba(25,43,91,.18)); }
.article-grid { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 30px; align-items: start; }
.article-content { display: grid; gap: 22px; }
.article-section { padding: 30px; }
.article-section p { color: var(--muted); }
.sidebar { position: sticky; top: 96px; display: grid; gap: 18px; }
.sidebar-card { padding: 24px; }
.sidebar-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; }
.step:before { counter-increment: step; content: counter(step); width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 800; background: var(--gradient); }
.contact-list { display: grid; gap: 12px; }
.contact-list div { padding: 16px; border-radius: 16px; background: #F6F8FF; }
.site-footer { background: var(--deep); color: #EEF2FF; padding-top: 64px; }
.footer-inner { width: min(1200px, calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 2fr; gap: 50px; }
.footer-brand p { color: #AAB5D0; max-width: 430px; margin-top: 18px; }
.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: #BFC8DE; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 44px; padding: 20px; text-align: center; border-top: 1px solid rgba(255,255,255,.08); color: #95A1BD; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
  .nav-core { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .desktop-menu-toggle { display: none; }
  .hero-grid,.page-hero-grid,.split,.security-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-actions,.hero-points { justify-content: center; }
  .hero-visual img { max-height: 480px; }
  .highlight-grid,.grid-4 { 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; }
}
@media (max-width: 760px) {
  body { padding-bottom: 74px; }
  .header-inner { width: calc(100% - 20px); min-height: 64px; gap: 8px; }
  .site-logo strong { display: none; }
  .site-logo img { width: 38px; }
  .header-cta { min-height: 40px; padding: 0 14px; font-size: 14px; }
  .menu-toggle { width: 40px; height: 40px; }
  .mobile-menu-toggle { order: -1; }
  .section { padding: 62px 0; }
  .section-sm { padding: 42px 0; }
  .hero { padding: 54px 0 42px; }
  h1 { font-size: 44px; }
  .lead { font-size: 16px; }
  .highlight-grid,.grid-2,.grid-3,.grid-4,.reviews-grid,.sidebar { grid-template-columns: 1fr; }
  .highlight-card,.text-card,.article-section { padding: 22px; }
  .content-card img { aspect-ratio: auto; max-height: 360px; }
  .security-images img { height: 190px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(25,43,91,.12); padding: 7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left)); }
  .mobile-bottom-nav a { display: grid; place-items: center; gap: 1px; color: var(--muted); font-size: 12px; }
  .mobile-bottom-nav span { font-size: 19px; color: var(--brand); line-height: 1; }
  .drawer-nav { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { width: min(100% - 24px,1200px); }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions a { padding-inline: 12px; }
  .channel-pill { border-radius: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 12px; }
}