:root {
  --primary: #0a65cc;
  --cyan: #00b4d8;
  --navy: #0b213e;
  --ink: #172033;
  --muted: #5d697c;
  --soft: #f4f7fa;
  --line: #dfe7f1;
  --white: #fff;
  --shadow: 0 18px 45px rgba(9, 38, 80, .12);
  --container: 1200px;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.65; background: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 30; height: 72px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--navy); white-space: nowrap; }
.brand-mark { width: 28px; height: 28px; border-radius: 7px; background: linear-gradient(135deg, var(--primary), var(--cyan)); position: relative; }
.brand-mark:after { content: ""; position: absolute; inset: 7px; border: 2px solid #fff; transform: rotate(45deg); }
.nav { display: flex; align-items: center; gap: 34px; font-size: 15px; color: var(--muted); }
.nav a { height: 72px; display: inline-flex; align-items: center; border-bottom: 3px solid transparent; }
.nav a:hover, .nav a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn, button.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 20px; border: 0; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--cyan)); color: #fff; font-size: 14px; font-weight: 700; cursor: pointer; }
.btn.secondary { color: var(--primary); background: #fff; border: 1px solid var(--primary); }
.header-search { width: 20px; height: 20px; display: inline-flex; color: var(--ink); transition: color .2s ease; }
.header-search:hover { color: var(--primary); }
.header-search svg { width: 100%; height: 100%; display: block; fill: currentColor; }
.section { padding: 80px 0; }
.section.soft { background: var(--soft); }
.section-kicker { color: var(--primary); font-size: 14px; font-weight: 800; text-transform: uppercase; }
.section-title { margin: 6px 0 10px; font-size: 32px; line-height: 1.25; color: var(--ink); }
.section-subtitle { margin: 0 0 30px; color: var(--muted); }
.hero { position: relative; min-height: 510px; display: grid; place-items: center; overflow: hidden; color: #fff; text-align: center; background: var(--navy); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease; background-size: cover; background-position: center; }
.hero-slide.active, .hero-slide:first-child { opacity: 1; }
.hero-slide:after, .page-hero:after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(7,27,54,.9), rgba(10,101,204,.78)); }
.hero-content { position: relative; z-index: 1; max-width: 900px; padding: 0 24px; }
.hero h1 { margin: 0 0 18px; font-size: clamp(34px, 6vw, 56px); letter-spacing: 1px; }
.hero p { margin: 0 auto 28px; max-width: 780px; font-size: 18px; opacity: .92; }
.hero-dots { position: absolute; z-index: 2; bottom: 28px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); border: 0; padding: 0; }
.hero-dot.active, .hero-dot:first-child { background: var(--cyan); }
.intro-grid, .feature-row, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.lead { color: var(--muted); font-size: 15px; text-align: justify; }
.stats { display: flex; gap: 36px; flex-wrap: wrap; margin-top: 28px; }
.stat strong { display: block; color: var(--primary); font-size: 34px; line-height: 1; }
.stat span { color: #8793a5; font-size: 13px; }
.media-box { min-height: 320px; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); background-size: cover; background-position: center; }
.icon-strip { background: var(--primary); color: #fff; padding: 34px 0; }
.icon-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.strip-item strong { display: grid; width: 62px; height: 62px; margin: 0 auto 12px; place-items: center; border: 1px dashed rgba(255,255,255,.7); border-radius: 50%; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { border: 1px solid var(--line); border-radius: 8px; background: #fff; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--primary); }
.card-body { padding: 22px; }
.card h3, .card h4 { margin: 0 0 10px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card-img { height: 170px; background: #e8eef6 center/cover no-repeat; }
.feature-icon { width: 42px; height: 42px; margin-bottom: 18px; display: grid; place-items: center; color: var(--primary); background: #e8f0fe; border-radius: 6px; font-weight: 800; }
.tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.tab { padding: 8px 22px; border: 1px solid var(--primary); border-radius: 4px; color: var(--primary); background: #fff; cursor: pointer; }
.tab.active { color: #fff; background: linear-gradient(90deg, var(--primary), var(--cyan)); border-color: transparent; }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.partner-box { min-height: 118px; border: 1px solid var(--line); border-radius: 4px; display: grid; place-items: center; background: #f6f8fb; color: #8490a2; font-weight: 800; text-align: center; padding: 16px; }
.page-hero { position: relative; min-height: 320px; display: grid; place-items: center; text-align: center; color: #fff; overflow: hidden; background: var(--navy) center/cover no-repeat; }
.page-hero > div { position: relative; z-index: 1; padding: 0 20px; }
.page-hero h1 { margin: 0 0 12px; font-size: clamp(34px, 5vw, 52px); }
.feature-row { padding: 48px 0; border-bottom: 1px solid var(--line); }
.feature-row.reverse .feature-image { order: 2; }
.feature-image img { width: 100%; height: 350px; object-fit: cover; border-radius: 6px; box-shadow: var(--shadow); }
.feature-copy h3 { font-size: 28px; margin: 0 0 16px; }
.highlight-list { display: grid; gap: 12px; margin-top: 18px; }
.highlight-item { border-left: 3px solid var(--primary); padding-left: 12px; color: var(--muted); }
.case-row { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center; padding: 42px 0; border-bottom: 1px solid var(--line); }
.case-row:nth-child(even) .case-image { order: -1; }
.case-image img { width: 100%; height: 360px; object-fit: cover; border-radius: 8px; box-shadow: var(--shadow); }
.meta-list { display: grid; gap: 10px; color: var(--muted); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.team-card { background: #fff; text-align: center; padding: 34px 22px; }
.avatar { width: 90px; height: 90px; margin: 0 auto 16px; border-radius: 50%; object-fit: cover; background: #cad5e4; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.cert { aspect-ratio: 1 / 1.32; border: 8px solid #5c3a35; background: #edf2f7 center/cover no-repeat; box-shadow: inset 0 0 0 3px #fff; }
.cert.wide { aspect-ratio: 1.4 / 1; }
.form-panel, .upload-panel, .faq-panel, .contact-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 28px; box-shadow: 0 10px 28px rgba(9,38,80,.06); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; font: inherit; }
textarea.field { min-height: 110px; grid-column: 1 / -1; }
.notice { margin-top: 12px; color: var(--primary); font-size: 14px; }
.upload-drop { border: 2px dashed #b8c6d9; border-radius: 8px; padding: 42px 20px; text-align: center; background: #f8fbff; }
.faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-item summary { cursor: pointer; font-weight: 800; }
.faq-item p { color: var(--muted); }
.map-box { min-height: 360px; border-radius: 8px; overflow: hidden; background: #e8eef6 center/cover no-repeat; }
.blog-list { display: grid; gap: 18px; }
.blog-card { display: block; border: 1px solid var(--line); border-radius: 8px; padding: 24px; background: #fff; }
.article { max-width: 850px; margin: 0 auto; }
.article-body { color: #334155; }
.narrow { max-width: 880px; }
.news-hero {
  min-height: 320px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(7,27,54,.92), rgba(10,101,204,.82)),
    radial-gradient(circle at 82% 24%, rgba(0,180,216,.28), transparent 32%),
    var(--navy);
}
.news-hero-copy { max-width: 760px; padding: 64px 0; }
.news-hero h1 { margin: 8px 0 14px; font-size: clamp(36px, 5vw, 54px); line-height: 1.15; }
.news-hero p { margin: 0; max-width: 680px; color: rgba(255,255,255,.88); font-size: 17px; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.news-list { display: grid; gap: 18px; }
.news-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; transition: transform .25s, box-shadow .25s, border-color .25s; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(10,101,204,.45); }
.news-card-link { display: grid; grid-template-columns: 130px minmax(0,1fr); gap: 24px; padding: 26px; }
.news-card-date { color: var(--primary); font-weight: 800; font-size: 13px; letter-spacing: .03em; }
.news-card h2 { margin: 0 0 10px; font-size: 22px; line-height: 1.35; color: var(--ink); }
.news-card p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.news-card-more { color: var(--primary); font-weight: 800; font-size: 14px; }
.news-sidebar, .article-aside { display: grid; gap: 18px; }
.side-panel { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 24px; box-shadow: 0 10px 28px rgba(9,38,80,.06); }
.side-panel h3 { margin: 0 0 10px; font-size: 18px; color: var(--ink); }
.side-panel p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.side-panel.accent { background: linear-gradient(180deg, #f7fbff, #fff); border-color: rgba(10,101,204,.28); }
.pager { display: flex; gap: 12px; margin-top: 28px; }
.empty-state { border: 1px dashed var(--line); border-radius: 8px; padding: 42px 24px; color: var(--muted); background: #fff; text-align: center; }
.article-head { padding: 70px 0 58px; color: #fff; background: linear-gradient(135deg, rgba(7,27,54,.96), rgba(10,101,204,.86)); }
.article-head h1 { margin: 12px 0 14px; font-size: clamp(34px, 5vw, 52px); line-height: 1.2; }
.article-head p { margin: 0; color: rgba(255,255,255,.88); font-size: 17px; }
.article-back { color: var(--cyan); font-size: 14px; font-weight: 800; }
.article-meta { margin-top: 18px; color: rgba(255,255,255,.72); font-size: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: start; }
.article-shell, .page-shell { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: clamp(28px, 5vw, 52px); box-shadow: 0 12px 32px rgba(9,38,80,.07); }
.prose h1, .prose h2, .prose h3 { color: var(--ink); line-height: 1.3; }
.prose h2 { margin-top: 34px; font-size: 26px; }
.prose h3 { margin-top: 26px; font-size: 21px; }
.prose p { color: #334155; margin: 0 0 18px; }
.prose ul, .prose ol { margin: 0 0 18px 20px; color: #334155; }
.prose img { border-radius: 8px; margin: 26px 0; box-shadow: var(--shadow); }
.prose blockquote { margin: 24px 0; padding: 16px 20px; border-left: 4px solid var(--primary); background: #f7fbff; color: var(--muted); }
.related-list { display: grid; gap: 14px; }
.related-list a { display: grid; gap: 6px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.related-list strong { font-size: 14px; line-height: 1.45; color: var(--ink); }
.related-list span { color: var(--muted); font-size: 12px; }
.page-title-band { padding: 70px 0; background: linear-gradient(180deg, #f7fbff, #fff); border-bottom: 1px solid var(--line); }
.page-title-band h1 { margin: 8px 0 12px; font-size: clamp(34px, 5vw, 50px); color: var(--ink); }
.page-title-band p { margin: 0; color: var(--muted); font-size: 16px; }
.search-hero { position: relative; overflow: hidden; padding: 78px 0 70px; color: #fff; background: linear-gradient(135deg, #071b36 0%, #0a65cc 58%, #00a6d6 100%); }
.search-hero:after { content: ""; position: absolute; right: -120px; top: -160px; width: 420px; height: 420px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.search-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 520px); gap: 56px; align-items: center; }
.search-hero .section-kicker { color: rgba(255,255,255,.72); }
.search-hero h1 { margin: 8px 0 14px; font-size: clamp(38px, 5vw, 58px); line-height: 1.12; }
.search-hero p { margin: 0; max-width: 620px; color: rgba(255,255,255,.86); font-size: 17px; }
.search-panel { border: 1px solid rgba(255,255,255,.25); border-radius: 8px; padding: 26px; background: rgba(255,255,255,.96); box-shadow: 0 24px 60px rgba(5, 24, 52, .25); color: var(--ink); }
.search-panel label { display: block; margin-bottom: 12px; color: var(--navy); font-weight: 800; }
.search-input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
.search-input-row input { width: 100%; height: 48px; border: 1px solid var(--line); border-radius: 4px; padding: 0 16px; color: var(--ink); font: inherit; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.search-input-row input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(10,101,204,.12); }
.search-hint { margin-top: 12px; color: var(--muted); font-size: 14px; }
.search-results-section { background: linear-gradient(180deg, #f7fbff 0%, #fff 38%); }
.search-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: start; }
.search-results { min-width: 0; }
.search-results-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.search-results-head h2 { margin: 4px 0 0; font-size: 30px; line-height: 1.25; color: var(--ink); }
.search-results-head span { color: var(--primary); font-weight: 800; }
.search-result-list { display: grid; gap: 16px; }
.search-result-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.search-result-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(10,101,204,.35); }
.search-result-card a { display: block; padding: 26px 28px; }
.search-result-type { display: inline-flex; margin-bottom: 10px; color: var(--primary); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.search-result-card h3 { margin: 0 0 10px; color: var(--ink); font-size: 22px; line-height: 1.35; }
.search-result-card p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.search-result-more { color: var(--primary); font-weight: 800; font-size: 14px; }
.search-aside { display: grid; gap: 18px; position: sticky; top: 94px; }
.search-empty { border: 1px dashed var(--line); border-radius: 8px; padding: 46px 28px; background: #fff; text-align: center; color: var(--muted); }
.search-empty-icon { width: 58px; height: 58px; display: inline-grid; place-items: center; margin-bottom: 14px; border-radius: 50%; background: #eef6ff; color: var(--primary); font-size: 32px; font-weight: 800; }
.search-empty h3 { margin: 0 0 8px; color: var(--ink); font-size: 22px; }
.search-empty p { margin: 0 auto 22px; max-width: 520px; }
.search-empty-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.site-footer { color: var(--white); }
.footer-top { background: var(--navy); padding: 60px 0; }
.footer-top .container { display: flex; justify-content: space-between; gap: 64px; }
.footer-col-main { width: 300px; flex: 0 0 300px; }
.footer-brand { color: var(--white); margin-bottom: 20px; }
.footer-col-main p { margin: 0 0 20px; color: #9ca3af; font-size: 13px; line-height: 1.8; }
.social-icons { display: flex; gap: 10px; }
.social-icon { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 4px; background: rgba(255,255,255,.1); color: var(--white); font-size: 14px; font-weight: 700; transition: background .3s, transform .3s; }
.social-icon:hover { background: var(--primary); transform: translateY(-2px); }
.footer-links { display: flex; gap: 80px; }
.footer-links-col h4 { position: relative; margin: 0 0 20px; padding-bottom: 10px; color: var(--white); font-size: 16px; }
.footer-links-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 20px; height: 2px; background: var(--primary); }
.footer-links-col ul { display: flex; flex-direction: column; gap: 12px; margin: 0; padding: 0; list-style: none; }
.footer-links-col a { color: #9ca3af; font-size: 13px; transition: color .3s; }
.footer-links-col a:hover { color: var(--white); }
.footer-bottom { background: #061528; padding: 20px 0; color: #6b7280; font-size: 12px; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 20px; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a:hover { color: var(--white); }
@media (max-width: 900px) {
  .site-header { height: auto; }
  .header-inner { height: auto; padding: 14px 0; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; gap: 20px; }
  .nav a { height: 38px; white-space: nowrap; }
  .intro-grid, .feature-row, .contact-grid, .case-row { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-image, .case-row:nth-child(even) .case-image { order: 0; }
  .grid-3, .grid-4, .team-grid, .cert-grid, .partner-grid, .icon-strip .container { grid-template-columns: 1fr; }
  .news-layout, .article-layout, .news-card-link, .search-hero-inner, .search-layout { grid-template-columns: 1fr; }
  .news-card-link { gap: 10px; }
  .search-aside { position: static; }
  .search-input-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top .container, .footer-links, .footer-bottom .container { flex-direction: column; }
  .footer-links { gap: 28px; }
  .footer-col-main { width: 100%; flex-basis: auto; }
}