:root {
  --bg: #F5F7FF; --ink: #1F2740; --muted: #66708A; --soft: #9AA4BA;
  --title: #131A35; --brand: #5B6CFF; --brand-2: #7A5CFF; --cyan: #00D4FF;
  --gold: #FFC857; --deep: #16213E; --footer: #0B1024; --card: #FFFFFF;
  --border: 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: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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(--brand-2); }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
.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% - 40px)); min-height: 72px; margin: 0 auto; 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; font-size: 20px; white-space: nowrap; }
.site-logo img { width: 44px; max-height: 44px; object-fit: contain; }
.nav-core { display: flex; align-items: center; gap: 8px; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; font-size: 14px; 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 { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 0 22px; border-radius: 999px; color: #fff; background: var(--gradient); box-shadow: 0 14px 32px rgba(91,108,255,.22); font-weight: 700; }
.main-btn:hover { color: #fff; transform: translateY(-1px); }
.menu-toggle, .drawer-close { border: 0; cursor: pointer; }
.menu-toggle { min-height: 42px; padding: 0 16px; border-radius: 999px; color: #fff; background: rgba(255,255,255,.1); }
.menu-toggle-mobile { display: none; width: 42px; padding: 0; font-size: 20px; }
.drawer-mask { position: fixed; inset: 0; z-index: 10000; background: rgba(4,8,24,.58); opacity: 0; pointer-events: none; transition: .25s ease; }
.drawer-mask.open { opacity: 1; pointer-events: auto; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(390px, 92vw); height: 100vh; padding: 24px; background: #fff; box-shadow: -20px 0 50px rgba(11,16,36,.24); transform: translateX(102%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; color: var(--title); font-size: 20px; }
.drawer-close { width: 42px; height: 42px; border-radius: 50%; background: #EEF1FF; color: var(--deep); font-size: 26px; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin: 22px 0; }
.drawer-nav a { padding: 13px 14px; border: 1px solid var(--border); border-radius: 14px; background: #F9FAFF; color: var(--ink); }
.drawer-note { padding: 16px; border-radius: 16px; background: #FFF4D6; color: #6A5722; font-size: 14px; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 76px 0; }
.section-sm { padding: 48px 0; }
.section-kicker { display: inline-flex; margin-bottom: 12px; color: #7A5CFF; font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.section-title, h1, h2, h3 { color: var(--title); line-height: 1.25; }
.section-title { margin: 0 0 18px; font-size: clamp(30px, 4vw, 46px); }
.section-lead { max-width: 780px; margin: 0 0 28px; color: var(--muted); font-size: 17px; }
.hero { position: relative; overflow: hidden; padding: 82px 0 66px; background: radial-gradient(circle at 80% 18%,rgba(0,212,255,.24),transparent 24%),radial-gradient(circle at 20% 20%,rgba(122,92,255,.25),transparent 28%),linear-gradient(145deg,#F6F2FF 0%,#EEF9FF 52%,#FFF5FB 100%); }
.hero::before, .hero::after { content:""; position:absolute; border-radius:50%; filter: blur(2px); pointer-events:none; }
.hero::before { width:180px; height:180px; left:-40px; bottom:30px; background:rgba(255,200,87,.2); }
.hero::after { width:120px; height:120px; right:8%; top:12%; background:rgba(217,79,112,.12); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero h1 { margin: 0 0 16px; font-size: clamp(52px, 8vw, 90px); letter-spacing: -.04em; }
.hero-subtitle { margin: 0 0 18px; font-size: clamp(24px, 3vw, 38px); color: var(--deep); font-weight: 800; }
.hero-copy { margin: 0 0 28px; color: var(--muted); font-size: 17px; }
.hero-actions { display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.secondary-btn { display:inline-flex; align-items:center; min-height:44px; padding:0 20px; border-radius:999px; border:1px solid var(--border); background:#fff; color:var(--brand); font-weight:700; }
.hero-points { display:flex; gap:10px; flex-wrap:wrap; margin-top:24px; }
.hero-points span, .pill { display:inline-flex; align-items:center; gap:7px; padding:8px 13px; border-radius:999px; background:rgba(255,255,255,.78); border:1px solid rgba(91,108,255,.15); color:var(--deep); font-size:14px; }
.hero-visual { position: relative; }
.hero-visual img { width:100%; max-height:560px; object-fit:contain; filter: drop-shadow(0 28px 40px rgba(34,44,100,.20)); }
.floating-note { position:absolute; left:-20px; bottom:28px; max-width:240px; padding:15px 17px; border-radius:18px; background:rgba(255,255,255,.92); box-shadow:var(--shadow); color:var(--deep); font-size:14px; }
.card, .zone-card, .info-card, .review-card { background:var(--card); border:1px solid var(--border); box-shadow:var(--shadow); border-radius:22px; }
.highlights { margin-top:-22px; position:relative; z-index:3; }
.highlight-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.info-card { padding:24px; }
.info-card b { display:block; margin-bottom:6px; color:var(--title); font-size:18px; }
.info-card p { margin:0; color:var(--muted); font-size:14px; }
.channel-pills { display:flex; flex-wrap:wrap; gap:12px; }
.channel-pill { flex:1 1 190px; min-width:0; padding:16px 18px; border-radius:18px; background:#fff; border:1px solid var(--border); }
.channel-pill strong { display:block; color:var(--title); }
.channel-pill span { display:block; color:var(--muted); font-size:13px; margin:4px 0 6px; }
.split { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:26px; align-items:stretch; }
.three-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.content-panel { padding:32px; }
.content-panel img { width:100%; max-height:320px; object-fit:contain; border-radius:18px; background:#EFF8FF; margin-bottom:22px; }
.content-panel h2, .content-panel h3 { margin:0 0 14px; }
.content-panel p { color:var(--muted); }
.feature-list { display:grid; gap:10px; padding:0; margin:18px 0; list-style:none; }
.feature-list li { position:relative; padding-left:26px; color:var(--ink); }
.feature-list li::before { content:""; position:absolute; left:0; top:.72em; width:10px; height:10px; border-radius:50%; background:var(--gradient); }
.media-panel { display:grid; grid-template-columns:.9fr 1.1fr; gap:34px; align-items:center; padding:34px; }
.media-panel.reverse { grid-template-columns:1.1fr .9fr; }
.media-panel img { width:100%; max-height:420px; object-fit:contain; border-radius:20px; background:linear-gradient(145deg,#EFF8FF,#F9F1FF); }
.dark-band { background:#11182F; color:#EEF2FF; }
.dark-band h2, .dark-band h3 { color:#fff; }
.dark-band p { color:#C9D1E8; }
.safety-grid { display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.safety-card { overflow:hidden; }
.safety-card img { width:100%; max-height:280px; object-fit:contain; background:#F0F5FF; }
.safety-card .content-panel { padding:28px; }
.review-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.review-card { padding:24px; }
.review-card p { margin:0 0 16px; color:var(--muted); }
.review-card strong { color:var(--title); }
.faq-list { display:grid; gap:14px; }
details { background:#fff; border:1px solid var(--border); border-radius:18px; padding:0 22px; }
summary { cursor:pointer; padding:20px 0; color:var(--title); font-weight:800; }
details p { margin:0; padding:0 0 20px; color:var(--muted); }
.notice { padding:24px; border-radius:20px; background:linear-gradient(135deg,#FFF4D6,#EAF7FF); border:1px solid rgba(255,200,87,.42); }
.page-hero { padding:72px 0 50px; background:linear-gradient(145deg,#F4F0FF,#EAF8FF 58%,#FFF7FB); }
.page-hero-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:42px; align-items:center; }
.page-hero h1 { margin:0 0 16px; font-size:clamp(38px,6vw,64px); }
.page-hero p { color:var(--muted); font-size:17px; }
.page-hero img { width:100%; max-height:390px; object-fit:contain; filter:drop-shadow(0 22px 30px rgba(34,44,100,.18)); }
.article-grid { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:30px; align-items:start; }
.article-main { padding:34px; }
.article-main h2 { margin-top:32px; }
.article-main h2:first-child { margin-top:0; }
.article-main p { color:var(--muted); }
.sidebar { display:grid; gap:18px; position:sticky; top:96px; }
.sidebar .card { padding:24px; }
.sidebar h3 { margin-top:0; }
.link-list { display:grid; gap:10px; }
.link-list a { padding:10px 12px; border-radius:12px; background:#F5F7FF; }
.cta-band { padding:38px; border-radius:28px; background:var(--gradient); color:#fff; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.cta-band h2 { color:#fff; margin:0 0 8px; }
.cta-band p { margin:0; color:rgba(255,255,255,.85); }
.cta-band .secondary-btn { flex:0 0 auto; }
.site-footer { background:var(--footer); color:#EEF2FF; padding:58px 0 0; }
.footer-inner { width:min(1200px,calc(100% - 40px)); margin:0 auto; display:grid; grid-template-columns:1.05fr 1.95fr; gap:54px; }
.footer-brand p { color:#B9C2DE; }
.footer-links { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; }
.footer-links strong { display:block; margin-bottom:12px; color:#fff; }
.footer-links a { display:block; margin:7px 0; color:#BFC9E8; }
.footer-bottom { margin-top:42px; padding:18px 20px; border-top:1px solid rgba(255,255,255,.09); text-align:center; color:#96A2C6; font-size:13px; }
.mobile-bottom-nav { display:none; }
@media (max-width: 1020px) {
  .nav-core { display:none; }
  .hero-grid, .page-hero-grid, .media-panel, .media-panel.reverse, .article-grid { grid-template-columns:1fr; }
  .hero { padding-top:60px; }
  .highlight-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .three-grid, .review-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .sidebar { position:static; grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-inner { grid-template-columns:1fr; }
}
@media (max-width: 720px) {
  body { padding-bottom:72px; }
  .header-inner { width:calc(100% - 24px); min-height:64px; gap:8px; }
  .menu-toggle-mobile { display:inline-flex; align-items:center; justify-content:center; }
  .menu-toggle-desktop { display:none; }
  .site-logo span { display:none; }
  .site-logo img { width:38px; max-height:38px; }
  .header-cta { min-height:38px; padding:0 14px; font-size:13px; }
  .container { width:calc(100% - 28px); }
  .section { padding:54px 0; }
  .hero { padding:50px 0 42px; }
  .hero h1 { font-size:54px; }
  .hero-grid { gap:28px; }
  .floating-note { position:static; margin-top:12px; }
  .highlight-grid, .split, .three-grid, .safety-grid, .review-grid, .sidebar { grid-template-columns:1fr; }
  .media-panel, .content-panel, .article-main { padding:22px; }
  .cta-band { padding:28px; flex-direction:column; align-items:flex-start; }
  .footer-links { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .mobile-bottom-nav { position:fixed; z-index:9000; left:0; right:0; bottom:0; display:grid; grid-template-columns:repeat(4,1fr); background:rgba(255,255,255,.96); border-top:1px solid var(--border); box-shadow:0 -8px 24px rgba(25,43,91,.12); padding:8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left)); }
  .mobile-bottom-nav a { display:flex; flex-direction:column; align-items:center; gap:2px; color:var(--muted); font-size:12px; }
  .mobile-bottom-nav span { color:var(--brand); font-size:18px; line-height:1; }
}