:root {
  --bg: #F5FAFE;
  --deep-bg: #E7F2FA;
  --surface: #FFFFFF;
  --surface-2: #D7EAF6;
  --title: #16324A;
  --text: #2A4156;
  --muted: #4E6A80;
  --soft: #6E8899;
  --blue: #4AA3E0;
  --bright: #6BB8EC;
  --deep: #1B4A6E;
  --mist: #EAF5FC;
  --line: rgba(74,163,224,.16);
  --line-strong: rgba(74,163,224,.42);
  --shadow: 0 12px 28px rgba(27,74,110,.08);
  --radius: 12px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.7; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(74,163,224,.35); outline-offset: 3px; }
.lock-scroll { overflow: hidden; }
.top-fixed { position: fixed; inset: 0 0 auto 0; z-index: 1000; }
.thin-line { height: 22px; background: var(--deep); color: #fff; font-size: 12px; }
.thin-line-inner, .magazine-inner, .section-tabs-inner { max-width: var(--max); margin: 0 auto; padding: 0 16px; display: flex; align-items: center; }
.thin-line-inner { height: 22px; justify-content: space-between; }
.plain-btn { border: 0; background: transparent; color: #fff; min-height: 22px; cursor: pointer; padding: 0 6px; }
.magazine-bar { height: 60px; background: #fff; border-bottom: 1px solid var(--line); }
.magazine-inner { height: 60px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; }
.brand-link { justify-self: start; min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; }
.brand-logo { height: 28px; width: auto; object-fit: contain; }
.brand-text { color: var(--deep); font-weight: 800; font-size: 16px; }
.drawer-toggle { justify-self: center; min-width: 76px; height: 44px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--mist); color: var(--deep); cursor: pointer; font-weight: 700; }
.app-link { justify-self: end; min-height: 44px; display: inline-flex; align-items: center; color: var(--deep); font-weight: 700; }
.section-tabs { height: 40px; background: var(--mist); border-bottom: 1px solid var(--line); }
.section-tabs-inner { height: 40px; justify-content: center; gap: 10px; }
.section-tabs a { min-width: 78px; height: 32px; padding: 0 16px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; color: var(--deep); font-size: 13px; }
.section-tabs a.is-active { background: var(--blue); color: #fff; }
.site-main { min-height: 60vh; padding-top: 146px; padding-bottom: 36px; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.page-hero { margin-bottom: 24px; }
.eyebrow { color: var(--blue); font-weight: 800; letter-spacing: .08em; font-size: 12px; text-transform: uppercase; }
h1, h2, h3 { color: var(--title); margin-top: 0; }
h1 { font-size: 24px; line-height: 1.3; margin-bottom: 12px; }
h2 { font-size: 20px; line-height: 1.4; margin-bottom: 12px; }
h3 { font-size: 16px; line-height: 1.45; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 16px; max-width: 820px; }
.card, .section-block, .hero-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.section-block { padding: 24px; margin: 0 0 20px; }
.section-block.mist { background: var(--mist); }
.hero-panel { padding: 24px; margin-bottom: 24px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { padding: 18px; }
.card p:last-child, .section-block p:last-child { margin-bottom: 0; }
.image-slot { width: 100%; min-height: 160px; background: var(--mist); border: 1px solid var(--line); border-radius: 10px; display: grid; place-items: center; overflow: hidden; }
.image-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.image-slot.banner { height: 260px; }
.image-slot.card-img { height: 180px; margin-bottom: 14px; }
.image-slot.feature { height: 200px; margin-bottom: 16px; }
.image-slot.app-vertical { height: min(360px, 60vw); min-height: 260px; }
.image-slot.brand-visual { height: 220px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.btn { min-height: 42px; padding: 0 18px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%); color: #fff; border: 1px solid transparent; }
.btn-secondary { background: #fff; color: var(--deep); border: 1px solid var(--line-strong); }
.btn:hover { transform: translateY(-1px); }
.number-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.number-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--line); }
.number-list li:last-child { border-bottom: 0; }
.number-list .num { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800; }
.shelf { display: grid; gap: 10px; }
.shelf a, .shelf .shelf-item { min-height: 58px; display: grid; grid-template-columns: minmax(110px, .55fr) 1.45fr auto; gap: 14px; align-items: center; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.shelf strong { color: var(--deep); }
.shelf span { color: var(--muted); }
.shelf em { font-style: normal; color: var(--blue); font-weight: 700; }
.timeline { position: relative; margin-left: 10px; padding-left: 26px; }
.timeline:before { content: ''; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line-strong); }
.timeline-item { position: relative; padding: 0 0 24px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item:before { content: ''; position: absolute; left: -26px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px var(--mist); }
.status { display: inline-flex; min-height: 28px; align-items: center; padding: 0 10px; border-radius: 999px; background: var(--mist); color: var(--deep); border: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.note-card { border-left: 4px solid var(--blue); }
.kicker-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.kicker { background: var(--mist); color: var(--deep); padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }
.definition-list { margin: 0; display: grid; gap: 14px; }
.definition-list div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.definition-list div:last-child { border-bottom: 0; }
.definition-list dt { color: var(--title); font-weight: 800; margin-bottom: 6px; }
.definition-list dd { margin: 0; color: var(--text); }
.notice { padding: 14px 16px; background: var(--mist); border: 1px solid var(--line-strong); border-radius: 10px; color: var(--deep); }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.faq-item h2 { font-size: 16px; margin-bottom: 8px; }
.faq-item p { color: var(--text); }
.site-footer { background: var(--deep); color: #E7F2FA; border-top: 1px solid rgba(234,245,252,.18); padding: 34px 0 calc(34px + env(safe-area-inset-bottom)); }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.footer-logo { height: 28px; width: auto; object-fit: contain; filter: brightness(0) invert(1); }
.footer-logo-text { font-size: 18px; font-weight: 800; }
.footer-brand strong { color: #fff; }
.footer-brand span { color: #E7F2FA; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.footer-grid h2 { color: #fff; font-size: 13px; margin-bottom: 8px; }
.footer-grid a { display: block; color: #E7F2FA; font-size: 13px; padding: 4px 0; }
.copyright-note { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(234,245,252,.18); font-size: 13px; }
.copyright { font-size: 13px; color: #D7EAF6; margin-bottom: 0; }
.page-overlay { position: fixed; inset: 0; background: rgba(22,50,74,.28); z-index: 1190; opacity: 0; visibility: hidden; pointer-events: none; transition: .2s ease; }
.drawer-panel { position: fixed; top: 0; right: 0; z-index: 1200; width: 400px; max-width: 86vw; height: 100vh; background: #fff; border-left: 1px solid var(--line); box-shadow: -20px 0 40px rgba(27,74,110,.12); transform: translateX(101%); visibility: hidden; pointer-events: none; transition: transform .22s ease, visibility .22s ease; display: flex; flex-direction: column; }
.drawer-open .drawer-panel { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-open .page-overlay, .search-open .page-overlay { opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-head { min-height: 74px; padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.drawer-brand { display: flex; align-items: center; gap: 10px; }
.drawer-brand img { height: 28px; width: auto; object-fit: contain; }
.drawer-close, .search-close { min-width: 64px; height: 40px; border: 1px solid var(--line-strong); background: #fff; color: var(--deep); border-radius: 9px; cursor: pointer; }
.drawer-body { overflow-y: auto; padding: 16px; }
.drawer-body section { margin-bottom: 20px; }
.drawer-body h2 { font-size: 13px; color: var(--soft); margin: 0 0 8px; }
.drawer-body a { display: grid; gap: 2px; padding: 12px; border-radius: 10px; }
.drawer-body a:hover { background: var(--mist); }
.drawer-body strong { color: var(--title); font-size: 14px; }
.drawer-body span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.search-layer { position: fixed; top: 82px; left: 50%; z-index: 1210; width: min(760px, calc(100% - 32px)); transform: translate(-50%, -16px); opacity: 0; visibility: hidden; pointer-events: none; transition: .2s ease; }
.search-open .search-layer { transform: translate(-50%, 0); opacity: 1; visibility: visible; pointer-events: auto; }
.search-card { background: #fff; border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: var(--shadow); padding: 20px; }
.search-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--title); }
.search-card p { color: var(--muted); margin-top: 10px; }
.search-presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.search-presets a { min-height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--mist); color: var(--deep); font-weight: 700; }
.mobile-bottom { display: none; }
.hero-copy { max-width: 760px; margin-top: 18px; }
.home-three .card { display: flex; flex-direction: column; }
.home-three .card .btn { margin-top: auto; align-self: flex-start; }
.app-split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: center; }
.icon-inline { width: 48px; height: 48px; object-fit: contain; border-radius: 12px; }
.icon-fallback { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg,var(--bright),var(--blue),var(--deep)); }
.mini-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.table-like { width: 100%; border-collapse: collapse; }
.table-like th, .table-like td { border-bottom: 1px solid var(--line); padding: 12px 10px; text-align: left; vertical-align: top; }
.table-like th { color: var(--title); background: var(--mist); }
.table-like td { color: var(--text); }
.center { text-align: center; }
.muted { color: var(--muted); }

@media (max-width: 820px) {
  .section-tabs { display: none; }
  .site-main { padding-top: 102px; padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .magazine-inner { grid-template-columns: 1fr auto 1fr; gap: 8px; }
  .brand-link, .app-link, .drawer-toggle { min-width: 0; }
  .app-link { font-size: 13px; }
  .drawer-toggle { min-width: 72px; }
  .grid-2, .grid-3, .grid-4, .app-split { grid-template-columns: 1fr; }
  .hero-panel, .section-block { padding: 18px; }
  .image-slot.banner { height: 260px; }
  .shelf a, .shelf .shelf-item { grid-template-columns: 1fr; gap: 5px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer { padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
  .mobile-bottom { position: fixed; z-index: 1100; left: 0; right: 0; bottom: 0; height: calc(48px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr); background: #fff; border-top: 1px solid var(--line); }
  .mobile-bottom a { min-width: 0; height: 48px; display: grid; place-items: center; color: var(--deep); font-size: 12px; font-weight: 700; }
  .mobile-bottom a.is-active { background: var(--blue); color: #fff; }
  .drawer-panel { max-width: 86vw; width: 86vw; }
  .search-layer { inset: 0; width: 100%; height: 100vh; transform: none; background: var(--deep); }
  .search-open .search-layer { transform: none; }
  .search-card { min-height: 100%; border: 0; border-radius: 0; background: var(--deep); color: #fff; padding: calc(22px + env(safe-area-inset-top)) 16px 24px; box-shadow: none; }
  .search-head { color: #fff; }
  .search-close { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
  .search-card p { color: #E7F2FA; }
  .search-presets { grid-template-columns: repeat(2, 1fr); }
  .search-presets a { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.2); }
  .page-overlay { z-index: 1180; }
}
@media (max-width: 520px) {
  h1 { font-size: 24px; }
  h2 { font-size: 20px; }
  .container { width: calc(100% - 32px); }
  .button-row { display: grid; grid-template-columns: 1fr 1fr; }
  .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
  .image-slot.app-vertical { height: 320px; }
}