* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; background: #FFFFFF; color: #222222; line-height: 1.75; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
.site-header { position: sticky; top: 0; z-index: 9999; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); box-shadow: 0 8px 24px rgba(35,26,104,0.08); }
.header-inner { max-width: 1180px; margin: 0 auto; height: 76px; padding: 0 22px; display: flex; align-items: center; gap: 18px; }
.brand img, .drawer-logo img { width: 142px; max-height: 46px; object-fit: contain; }
.desktop-nav { flex: 1; display: flex; justify-content: center; gap: 5px; }
.desktop-nav a, .drawer-nav a { color: #231A68; font-weight: 700; padding: 10px 12px; border-radius: 999px; transition: .25s ease; }
.desktop-nav a:hover, .desktop-nav a.active, .drawer-nav a:hover, .drawer-nav a.active { background: linear-gradient(135deg, rgba(95,85,245,0.10), rgba(255,196,0,0.12)); color: #5F55F5; box-shadow: inset 0 -2px 0 #FFC400; }
.main-btn { position: relative; overflow: hidden; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 22px; background: linear-gradient(135deg, #5F55F5 0%, #7668FF 48%, #FFC400 100%); color: #FFFFFF; border-radius: 999px; font-weight: 800; box-shadow: 0 12px 26px rgba(95,85,245,0.22); transition: .25s ease; white-space: nowrap; }
.main-btn::after { content: ""; position: absolute; inset: 0; border-radius: inherit; border: 1px solid rgba(255,255,255,0.56); box-shadow: 0 0 12px rgba(95,85,245,0.20), 0 0 18px rgba(255,196,0,0.24); pointer-events: none; }
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 16px 36px rgba(95,85,245,0.28); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: #F3F5FF; border-radius: 14px; padding: 9px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: #231A68; border-radius: 4px; }
.page-main { min-height: 68vh; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
.section { padding: 72px 0; }
.section-soft { background: #F7F8FC; }
.hero-section { padding: 62px 0 54px; background: radial-gradient(circle at 15% 20%, rgba(95,85,245,0.12) 0%, rgba(95,85,245,0) 30%), radial-gradient(circle at 88% 18%, rgba(255,196,0,0.16) 0%, rgba(255,196,0,0) 28%), linear-gradient(135deg, #FFFFFF 0%, #F7F8FC 52%, #F3F5FF 100%); }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 42px; align-items: center; }
.section-kicker, .badge, .label, .tag, .num { color: #5F55F5; font-weight: 800; letter-spacing: .02em; }
h1, h2, h3, .section-title { color: #231A68; line-height: 1.22; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 5vw, 58px); }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: 22px; }
p { margin: 0 0 14px; }
.lead { font-size: 17px; color: #5F6472; }
.hero-actions { margin-top: 24px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-visual { background: rgba(255,255,255,.84); border: 1px solid rgba(95,85,245,0.12); border-radius: 34px; padding: 22px; box-shadow: 0 16px 40px rgba(35,26,104,0.10); position: relative; overflow: hidden; }
.hero-visual::before { content: ""; position: absolute; width: 160px; height: 160px; right: -50px; top: -50px; background: rgba(255,196,0,.22); border-radius: 50%; }
.hero-visual img, .content-img, .zone-card img, .app-section img, .visual-card img { max-width: 100%; height: auto; object-fit: contain; position: relative; z-index: 1; }
.hero-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.card, .zone-card, .info-card, .pill-card, .faq-item, .visual-card { background: #FFFFFF; border: 1px solid rgba(95,85,245,0.12); box-shadow: 0 16px 40px rgba(35,26,104,0.10); border-radius: 24px; }
.card, .info-card, .faq-item { padding: 24px; }
.pill-scroll { display: grid; grid-template-columns: repeat(8, minmax(130px, 1fr)); gap: 12px; }
.pill-card { padding: 16px; background: rgba(255,255,255,0.86); transition: .25s ease; }
.pill-card:hover { border-color: rgba(255,196,0,.75); transform: translateY(-2px); }
.pill-card span { display: block; font-size: 13px; color: #FFC400; font-weight: 900; }
.pill-card strong { color: #231A68; display: block; margin: 4px 0; }
.pill-card small { color: #5F6472; display: block; line-height: 1.45; }
.intro-strip { padding: 26px 30px; border-radius: 28px; background: linear-gradient(135deg, #FFFFFF, #F3F5FF 60%, #FFF8E6); border: 1px solid rgba(95,85,245,.12); color: #5F6472; }
.board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.alt-row { display: grid; grid-template-columns: .96fr 1.04fr; gap: 36px; align-items: center; margin-bottom: 42px; }
.alt-row.reverse { grid-template-columns: 1.04fr .96fr; }
.alt-text ul, .feature-list, .simple-list { padding-left: 20px; color: #5F6472; }
.text-link { color: #5F55F5; font-weight: 800; display: inline-flex; margin-top: 8px; }
.text-link::after { content: "→"; margin-left: 6px; }
.visual-card { padding: 18px; background: linear-gradient(135deg, #FFFFFF, #F9FAFF); }
.zone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.zone-card { overflow: hidden; }
.zone-card .zone-img { padding: 14px; background: #F9FAFF; min-height: 170px; display: flex; align-items: center; justify-content: center; }
.zone-card .zone-body { padding: 20px; }
.app-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; background: linear-gradient(135deg, #FFFFFF, #F3F5FF 58%, #FFF8E6); border: 1px solid rgba(95,85,245,.12); border-radius: 32px; padding: 28px; }
.help-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.help-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.page-hero { padding: 64px 0 50px; background: radial-gradient(circle at 18% 20%, rgba(95,85,245,0.10), transparent 28%), linear-gradient(135deg, #FFFFFF 0%, #F7F8FC 60%, #FFF8E6 100%); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 34px; align-items: center; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.article-body { max-width: 940px; }
.article-body p { color: #5F6472; margin-bottom: 18px; }
.notice-box { background: #FFF8E6; border: 1px solid rgba(255,196,0,.35); border-radius: 22px; padding: 22px; color: #5F6472; }
.site-footer { background: #120B3D; color: #EDEBFF; padding: 50px 0; }
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 0 22px; display: grid; grid-template-columns: 1.25fr .9fr 1fr; gap: 30px; align-items: start; }
.footer-brand img { width: 148px; max-height: 48px; object-fit: contain; margin-bottom: 16px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #EDEBFF; opacity: .9; }
.footer-note { color: rgba(237,235,255,.78); }
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.38); opacity: 0; visibility: hidden; transition: .25s ease; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: 84vw; max-width: 320px; height: 100vh; background: #FFFFFF; transform: translateX(-102%); transition: .28s ease; z-index: 10001; box-shadow: 24px 0 50px rgba(35,26,104,.18); padding: 18px; overflow-y: auto; }
.drawer-open { overflow: hidden; }
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-close { width: 40px; height: 40px; border: 0; background: #F3F5FF; border-radius: 12px; color: #231A68; font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 8px; }
@media (max-width: 980px) {
  .header-inner { height: 68px; justify-content: space-between; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .brand { position: absolute; left: 50%; transform: translateX(-50%); }
  .brand img { width: 118px; }
  .header-btn { padding: 8px 13px; min-height: 38px; font-size: 13px; }
  .hero-grid, .page-hero-grid, .app-band, .help-grid, .footer-inner { grid-template-columns: 1fr; }
  .hero-cards, .board-grid, .content-grid, .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .alt-row, .alt-row.reverse { grid-template-columns: 1fr; }
  .alt-row.reverse .visual-card { order: 1; }
  .alt-row.reverse .alt-text { order: 2; }
  .pill-scroll { display: flex; overflow-x: auto; padding-bottom: 8px; }
  .pill-card { min-width: 175px; }
}
@media (max-width: 620px) {
  .container { padding: 0 16px; }
  .section { padding: 50px 0; }
  .hero-section { padding: 42px 0; }
  .hero-cards, .board-grid, .content-grid, .zone-grid, .faq-grid, .help-cards { grid-template-columns: 1fr; }
  .card, .info-card, .faq-item { padding: 20px; }
  .app-band { padding: 18px; }
  .page-hero { padding: 44px 0 34px; }
}