:root {
    --bg: #F3F6F9;
    --surface: #FFFFFF;
    --surface-2: #E8EEF5;
    --ink: #0B1220;
    --text: #1E293B;
    --muted: #475569;
    --soft: #64748B;
    --blue: #2563EB;
    --blue-light: #60A5FA;
    --blue-deep: #1D4ED8;
    --lime: #65A30D;
    --slate: #334155;
    --line: rgba(37,99,235,.16);
    --shadow: 0 14px 36px rgba(11,18,32,.08);
    --radius: 18px;
    --top-space: 136px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--bg); font: 16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
a,button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(37,99,235,.28); outline-offset: 3px; }
button { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.site-main { padding-top: var(--top-space); }
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 80; }
.status-bar { height: 32px; background: var(--slate); color: #fff; }
.status-inner,.command-inner { height: 100%; display: grid; align-items: center; }
.status-inner { grid-template-columns: 1fr auto; }
.status-brand { font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.icon-text-button { min-width: 52px; height: 32px; border: 0; background: transparent; color: #fff; cursor: pointer; }
.command-bar { height: 60px; background: #fff; border-bottom: 1px solid var(--line); }
.command-inner { grid-template-columns: 52px 1fr auto; gap: 12px; }
.square-button { width: 44px; height: 44px; display: grid; place-content: center; gap: 4px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
.square-button span { display: block; width: 18px; height: 2px; border-radius: 999px; background: var(--slate); }
.brand-lockup { justify-self: center; min-width: 120px; display: flex; align-items: center; justify-content: center; color: var(--ink); font-weight: 900; letter-spacing: -.02em; }
.brand-lockup img { max-height: 32px; max-width: 170px; object-fit: contain; }
.app-link,.button-primary,.button-secondary { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 0 20px; font-weight: 800; }
.app-link,.button-primary { color: #fff; background: linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%); box-shadow: 0 8px 20px rgba(37,99,235,.18); }
.button-secondary { background: #fff; color: var(--blue); border: 1px solid rgba(37,99,235,.26); }
.app-link:hover,.button-primary:hover { filter: brightness(.96); transform: translateY(-1px); }
.button-secondary:hover { background: #f8fbff; }
.desktop-tabs { height: 44px; background: #fff; border-bottom: 1px solid var(--line); }
.tab-row { height: 44px; display: grid; grid-template-columns: repeat(6,1fr); align-items: stretch; }
.tab-row a { position: relative; display: grid; place-items: center; color: var(--muted); font-size: 14px; font-weight: 700; }
.tab-row a:hover { color: var(--blue); }
.tab-row a.is-active { color: var(--blue); }
.tab-row a.is-active::after { content:""; position:absolute; left: 20%; right:20%; bottom:-1px; height:3px; border-radius: 3px 3px 0 0; background: var(--blue); }
.hero-section,.page-hero,.content-section { padding: 32px 0; }
.hero-card,.page-hero-card,.panel,.topic-strip,.wide-card,.service-card,.article-card,.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card { padding: clamp(22px,4vw,44px); }
.eyebrow { color: var(--blue); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 900; }
h1,h2,h3 { margin: 0; color: var(--ink); line-height: 1.25; }
h1 { margin-top: 8px; font-size: clamp(28px,4vw,32px); letter-spacing: -.035em; }
h2 { font-size: clamp(22px,3vw,27px); }
h3 { font-size: 18px; }
p { margin: 12px 0 0; }
.lead { max-width: 820px; color: var(--muted); font-size: 17px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.hero-media { margin-top: 26px; border-radius: 16px; overflow:hidden; background: var(--surface-2); }
.hero-media img { width:100%; max-height:340px; object-fit:cover; }
.media-placeholder { min-height: 200px; background: linear-gradient(135deg,#E8EEF5,#F8FAFC); border:1px dashed rgba(37,99,235,.22); border-radius:16px; }
.media-placeholder.hero-image { min-height: 260px; }
.section-head { display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:18px; }
.section-head p { max-width: 660px; margin:0; color:var(--muted); }
.topic-list { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.topic-strip { padding:18px; display:grid; grid-template-columns:auto 1fr auto; gap:12px; align-items:start; box-shadow:none; }
.dot { width:10px; height:10px; margin-top:8px; border-radius:999px; background:var(--blue); }
.topic-strip p { margin:4px 0 0; color:var(--muted); font-size:14px; }
.text-link { color:var(--blue); font-weight:800; white-space:nowrap; }
.pulse-layout { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:20px; align-items:start; }
.pulse-copy { display:grid; gap:12px; }
.number-story { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px; }
.number-story .num,.big-number { color:var(--blue); font-size:42px; font-weight:900; line-height:1; letter-spacing:-.05em; }
.number-story p { color:var(--muted); }
.card-grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.card-grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.wide-card { overflow:hidden; }
.wide-card .card-media { aspect-ratio:16/9; background:var(--surface-2); overflow:hidden; }
.wide-card .card-media img { width:100%; height:100%; object-fit:cover; }
.wide-card .card-body { padding:20px; }
.wide-card p { color:var(--muted); }
.stack { display:grid; gap:16px; }
.feature-row { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:20px; align-items:center; background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px; }
.feature-row:nth-child(even) { grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); }
.feature-row:nth-child(even) .feature-media { order:2; }
.feature-media { min-height:220px; border-radius:16px; overflow:hidden; background:var(--surface-2); }
.feature-media img { width:100%; height:100%; max-height:300px; object-fit:cover; }
.quad-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.quad-card { min-height:180px; padding:20px; border-radius:16px; background:#fff; border:1px solid var(--line); }
.quad-card span { display:inline-block; color:var(--lime); font-size:12px; font-weight:900; letter-spacing:.1em; }
.file-list { display:grid; gap:8px; }
.file-row { display:grid; grid-template-columns:58px 1fr auto; gap:14px; align-items:center; padding:16px 18px; background:#fff; border:1px solid var(--line); border-radius:14px; }
.file-row .file-tag { color:var(--blue); font-weight:900; }
.file-row p { margin:2px 0 0; color:var(--muted); font-size:14px; }
.meter-list { display:grid; gap:12px; }
.meter-row { display:grid; grid-template-columns:80px 1fr; gap:14px; align-items:start; background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px; }
.timeline { position:relative; display:grid; gap:16px; padding-left:28px; }
.timeline::before { content:""; position:absolute; top:12px; bottom:12px; left:9px; width:2px; background:rgba(37,99,235,.22); }
.timeline-item { position:relative; background:#fff; border:1px solid var(--line); border-radius:16px; padding:18px 20px; }
.timeline-item::before { content:""; position:absolute; width:14px; height:14px; border-radius:50%; background:var(--blue); left:-26px; top:24px; box-shadow:0 0 0 5px var(--bg); }
.status-label { display:inline-block; color:var(--blue); background:rgba(37,99,235,.08); border-radius:999px; padding:4px 10px; font-size:12px; font-weight:900; }
.service-card { display:grid; grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr); gap:26px; padding:24px; align-items:center; }
.phone-media { min-height:300px; background:var(--surface-2); border-radius:20px; overflow:hidden; display:grid; place-items:center; }
.phone-media img { max-height:360px; object-fit:contain; }
.badge-row { display:flex; align-items:center; gap:12px; margin-top:16px; }
.badge-row img { width:56px; height:56px; object-fit:contain; }
.page-hero-card { padding:28px; }
.page-hero-card .lead { max-width:900px; }
.prose { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:clamp(22px,4vw,34px); }
.prose h2 { margin-top:30px; }
.prose h2:first-child { margin-top:0; }
.prose h3 { margin-top:22px; }
.prose p { color:var(--text); }
.prose .note { color:var(--muted); background:var(--surface-2); border-left:4px solid var(--blue); padding:14px 16px; border-radius:0 12px 12px 0; }
.index-list { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.index-chip { padding:16px; background:#fff; border:1px solid var(--line); border-radius:14px; }
.index-chip strong { color:var(--ink); }
.index-chip p { margin:4px 0 0; color:var(--muted); font-size:14px; }
.steps { counter-reset:step; display:grid; gap:14px; }
.step { position:relative; padding:20px 20px 20px 72px; background:#fff; border:1px solid var(--line); border-radius:16px; }
.step::before { counter-increment:step; content:counter(step, decimal-leading-zero); position:absolute; left:18px; top:17px; color:var(--blue); font-size:28px; font-weight:900; }
.faq-list { display:grid; gap:12px; }
.faq-item { padding:20px; box-shadow:none; }
.faq-item h2 { font-size:18px; }
.contact-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.contact-card { padding:22px; background:#fff; border:1px solid var(--line); border-radius:16px; }
.mosaic-menu { position:fixed; inset:0; z-index:110; overflow:auto; background:#F3F6F9; visibility:hidden; opacity:0; pointer-events:none; transform:translateY(-18px); transition:.22s ease; padding-bottom:36px; }
.mosaic-menu.is-open { visibility:visible; opacity:1; pointer-events:auto; transform:none; }
.mosaic-head { height:76px; display:flex; align-items:center; justify-content:space-between; }
.mosaic-brand { display:flex; align-items:center; gap:12px; color:var(--ink); }
.mosaic-brand img { max-height:30px; max-width:160px; object-fit:contain; }
.close-button { min-width:64px; min-height:44px; border:1px solid var(--line); border-radius:999px; background:#fff; color:var(--blue); font-weight:800; cursor:pointer; }
.mosaic-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.mosaic-group { background:#fff; border:1px solid var(--line); border-radius:18px; padding:18px; }
.mosaic-group h2 { margin-bottom:10px; font-size:16px; color:var(--soft); }
.mosaic-group a { display:block; min-height:74px; padding:12px 0; border-top:1px solid rgba(37,99,235,.10); }
.mosaic-group a:first-of-type { border-top:0; }
.mosaic-group strong { display:block; color:var(--ink); }
.mosaic-group span { display:block; margin-top:3px; color:var(--muted); font-size:13px; line-height:1.55; }
.site-overlay { position:fixed; inset:0; z-index:90; background:rgba(11,18,32,.28); backdrop-filter:blur(2px); }
.site-overlay[hidden] { display:none; pointer-events:none; }
.search-panel { position:fixed; inset:92px 0 auto; z-index:100; visibility:hidden; opacity:0; pointer-events:none; transition:.18s ease; }
.search-panel.is-open { visibility:visible; opacity:1; pointer-events:auto; }
.search-card { width:min(760px,calc(100% - 32px)); margin:16px auto 0; padding:20px; background:#F3F6F9; border:1px solid var(--line); border-radius:20px; box-shadow:0 20px 50px rgba(11,18,32,.16); }
.search-card-head { display:flex; justify-content:space-between; align-items:center; color:var(--ink); }
.search-look { min-height:54px; display:flex; align-items:center; margin-top:14px; padding:0 18px; border-radius:14px; background:#fff; border:1px solid var(--line); color:var(--soft); }
.search-presets { display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
.search-presets a { min-height:42px; display:inline-flex; align-items:center; padding:0 14px; background:#fff; border:1px solid var(--line); border-radius:999px; color:var(--blue); font-weight:800; font-size:14px; }
.panel-open { overflow:hidden; }
.site-footer { margin-top:36px; padding:42px 0 22px; background:#0B1220; color:#D6E4FF; }
.footer-top { display:grid; grid-template-columns:1.2fr 2fr; gap:40px; }
.footer-logo { display:flex; align-items:center; gap:14px; color:#fff; }
.footer-logo img { max-height:32px; max-width:150px; object-fit:contain; }
.footer-logo span { display:grid; }
.footer-logo small { color:#9EB9E9; }
.footer-brand p { color:#B9C8E2; max-width:460px; }
.footer-groups { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.footer-groups section { display:grid; align-content:start; gap:7px; }
.footer-groups h2 { color:#fff; font-size:15px; margin-bottom:4px; }
.footer-groups a { color:#BFD0ED; font-size:14px; }
.footer-groups a:hover { color:#fff; }
.footer-bottom { margin-top:28px; padding-top:18px; border-top:1px solid rgba(214,228,255,.14); color:#9EB0CD; font-size:13px; }
.mobile-bottom-nav { display:none; }
@media (max-width: 900px) {
    .pulse-layout,.service-card,.footer-top,.feature-row,.feature-row:nth-child(even) { grid-template-columns:1fr; }
    .feature-row:nth-child(even) .feature-media { order:0; }
    .card-grid-3 { grid-template-columns:1fr; }
    .quad-grid { grid-template-columns:repeat(2,1fr); }
    .index-list { grid-template-columns:repeat(2,1fr); }
    .footer-groups { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 720px) {
    :root { --top-space:92px; }
    body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
    .wrap { width:min(100% - 32px,1180px); }
    .desktop-tabs { display:none; }
    .command-inner { grid-template-columns:52px minmax(0,1fr) auto; gap:6px; }
    .brand-lockup { min-width:0; overflow:hidden; }
    .brand-lockup img { max-width:128px; }
    .app-link { padding:0 14px; font-size:14px; }
    .hero-section,.page-hero,.content-section { padding:22px 0; }
    .hero-card,.page-hero-card { padding:20px; }
    .hero-media img { max-height:280px; }
    .topic-list,.card-grid-2,.contact-grid { grid-template-columns:1fr; }
    .topic-strip { grid-template-columns:auto 1fr; }
    .topic-strip .text-link { grid-column:2; }
    .mosaic-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
    .mosaic-group { padding:14px; }
    .search-panel { inset:0; background:#F3F6F9; overflow:auto; }
    .search-card { width:100%; min-height:100vh; margin:0; border:0; border-radius:0; box-shadow:none; padding:22px 16px 90px; }
    .mobile-bottom-nav { position:fixed; inset:auto 0 0; z-index:75; height:calc(50px + 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-nav a { min-height:50px; display:grid; place-items:center; color:var(--soft); font-size:12px; font-weight:800; }
    .mobile-bottom-nav a.is-active { color:var(--blue); }
    .file-row { grid-template-columns:46px 1fr; }
    .file-row .text-link { grid-column:2; }
    .meter-row { grid-template-columns:62px 1fr; }
    .footer-groups { grid-template-columns:1fr 1fr; gap:24px 16px; }
}
@media (max-width: 440px) {
    .mosaic-grid { grid-template-columns:1fr 1fr; }
    .quad-grid,.index-list { grid-template-columns:1fr; }
    .hero-actions { flex-direction:column; }
    .hero-actions a { width:100%; }
}
@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; }
}
