* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; color: #222; font-family: "Microsoft YaHei", Arial, sans-serif; background: #f5f6f8; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: relative; z-index: 20; background: #fff; border-bottom: 1px solid #d8e0e7; }
.top-line { background: #f3f6f9; border-bottom: 1px solid #e3e8ed; color: #66727d; font-size: 13px; }
.top-line-inner { height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; min-width: 0; }
.brand img { width: 210px; height: 58px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 16px; color: #1f2933; }
.site-nav a { padding: 29px 0 26px; border-bottom: 3px solid transparent; }
.site-nav a:hover { color: #005bac; border-bottom-color: #005bac; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid #d5e0ea; background: #fff; border-radius: 2px; padding: 9px; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: #1f2933; }
.hero-slider { position: relative; overflow: hidden; background: #f3f6f9; }
.slides { display: flex; transition: transform .5s ease; }
.slide { flex: 0 0 100%; height: clamp(260px, 36.458vw, 620px); position: relative; overflow: hidden; }
.slide::after { display: none; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slide-copy { display: none; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 28px; background: #005bac; color: #fff; border-radius: 2px; font-weight: 700; border: 0; }
.btn-primary:hover { background: #004481; }
.slider-dots { display: none; }
.slider-dots button { width: 34px; height: 4px; border: 0; border-radius: 8px; background: rgba(255,255,255,.45); padding: 0; }
.slider-dots button.active { background: #fff; }
.section { padding: 58px 0; background: #fff; }
.section-title { margin-bottom: 30px; text-align: center; }
.section-title h2, .intro-copy h2 { margin: 0; font-size: 30px; line-height: 1.3; letter-spacing: 0; color: #202a33; font-weight: 700; }
.section-title h2::after, .intro-copy h2::after { content: ""; display: block; width: 54px; height: 3px; margin: 14px auto 0; background: #005bac; }
.section-title p { margin: 14px 0 0; color: #66727d; font-size: 15px; }
.project-section { background: #fff; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project-card { display: block; border: 1px solid #dde3e8; background: #fff; transition: border-color .2s; }
.project-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #f2f2f2; }
.project-card strong { display: flex; align-items: center; justify-content: center; min-height: 58px; padding: 0 12px; color: #222; font-size: 18px; font-weight: 700; text-align: center; border-top: 1px solid #dde3e8; }
.project-card:hover { border-color: #005bac; }
.project-card:hover strong { color: #005bac; }
.home-query-section { background: #f3f6f9; border-top: 1px solid #e1e6eb; border-bottom: 1px solid #e1e6eb; }
.home-query-form { max-width: 620px; margin-bottom: 0; }
.intro-section { background: #fff; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.intro-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.intro-copy h2::after { margin-left: 0; margin-right: 0; }
.intro-copy p { color: #555; font-size: 16px; line-height: 1.9; }
.text-link { color: #005bac; font-weight: 700; }
.page-hero { padding: 62px 0; color: #fff; background: #075b9c; position: relative; border-bottom: 4px solid #0b75c9; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: rgba(0,42,80,.18); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin: 0 0 12px; font-size: 38px; letter-spacing: 0; }
.page-hero p { max-width: 760px; margin: 0; color: rgba(255,255,255,.88); line-height: 1.8; }
.content-page { color: #334454; line-height: 1.9; font-size: 16px; }
.content-page h2, .content-page h3 { color: #123f63; }
.project-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.project-list-item { display: grid; grid-template-columns: 210px 1fr; min-height: 160px; border: 1px solid #dde3e8; background: #fff; }
.project-list-img { background: #f3f3f3; overflow: hidden; }
.project-list-img img { width: 100%; height: 100%; min-height: 160px; object-fit: cover; }
.project-list-text { padding: 22px 22px 18px; }
.project-list-text h2 { margin: 0 0 12px; color: #222; font-size: 20px; line-height: 1.35; font-weight: 700; }
.project-list-text p { margin: 0 0 16px; color: #666; line-height: 1.75; font-size: 15px; }
.project-list-text span { color: #005bac; font-size: 14px; }
.project-list-item:hover { border-color: #005bac; }
.project-list-item:hover h2 { color: #005bac; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-panel { padding: 30px; border: 1px solid #e0e8ef; border-radius: 2px; }
.muted-panel { background: #f7fafc; }
.report-section { background: #f5f8fb; }
.query-form { max-width: 560px; margin: 0 auto 28px; }
.query-form input { width: 100%; height: 50px; margin-bottom: 16px; padding: 0 14px; border: 1px solid #c8d2dc; background: #fff; font-size: 16px; border-radius: 0; }
.captcha-row { display: grid; grid-template-columns: 1fr 110px; gap: 10px; align-items: start; }
.captcha-row img { width: 110px; height: 45px; object-fit: cover; cursor: pointer; }
.query-form button { width: 100%; height: 50px; border: 0; background: #005bac; color: #fff; font-size: 18px; letter-spacing: 6px; cursor: pointer; }
.query-form p { margin: 12px 0 0; color: #566574; }
.query-output { max-width: 920px; margin: 0 auto; }
.query-state { margin: 0 auto 18px; text-align: center; font-size: 34px; font-weight: 800; }
.query-state-success { color: #0f8f7d; }
.query-state-expired { color: #d35400; }
.query-state-error { color: #c0392b; font-size: 18px; }
.result-summary { padding: 22px 18px; text-align: center; background: #eef6ff; border: 1px solid #bdd7ee; border-bottom: 0; }
.result-summary p { margin: 8px 0; font-size: 24px; font-weight: 700; line-height: 1.55; }
.result-summary span { color: #1f2933; }
.result-summary strong { color: #005bac; word-break: break-all; }
.report-table { width: 100%; border-collapse: collapse; background: #fff; }
.report-table th, .report-table td { border: 1px solid #d6e4f0; padding: 18px; font-size: 20px; text-align: center; line-height: 1.55; }
.report-table th { width: 30%; font-weight: 600; color: #075b9c; background: #f2f7fb; }
.report-table td { color: #1f2933; word-break: break-all; }
.report-remark { padding: 22px; background: #fff; border: 1px solid #d6e4f0; border-top: 0; text-align: center; color: #334454; font-size: 18px; line-height: 1.75; }
.download-wrap { padding: 28px 0 0; text-align: center; }
.report-download { min-width: 190px; background: #005bac; border-radius: 2px; }
.report-download:hover { background: #004481; }
.report-download-disabled,
.report-download-disabled:hover { background: #8a8a8a; cursor: not-allowed; opacity: .9; }
.site-footer { padding: 34px 0 86px; background: #123047; color: rgba(255,255,255,.82); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; }
.footer-grid p { margin: 8px 0 0; line-height: 1.6; }
.mobile-bar { display: none; }
.pagebar { margin-top: 26px; text-align: center; }
@media (max-width: 900px) {
  .top-line { display: none; }
  .header-inner { height: 62px; }
  .brand img { width: 170px; height: 46px; }
  .nav-toggle { display: block; }
  .site-nav { position: absolute; left: 0; right: 0; top: 62px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px; background: #fff; border-bottom: 1px solid #e7edf3; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid #edf2f6; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-list { grid-template-columns: 1fr; }
  .intro-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { padding-bottom: 62px; }
  .container { width: min(100% - 24px, 1180px); }
  .section { padding: 46px 0; }
  .section-title h2, .intro-copy h2 { font-size: 26px; }
  .project-grid { grid-template-columns: 1fr; gap: 16px; }
  .page-hero { padding: 58px 0; }
  .page-hero h1 { font-size: 30px; }
  .project-list-item { grid-template-columns: 1fr; }
  .project-list-img img { aspect-ratio: 16 / 10; min-height: 0; }
  .captcha-row { grid-template-columns: 1fr 100px; }
  .captcha-row img { width: 100px; }
  .query-state { font-size: 30px; }
  .result-summary { padding: 18px 10px; }
  .result-summary p { font-size: 22px; }
  .report-table th, .report-table td { padding: 14px 10px; font-size: 18px; }
  .report-table th { width: 31%; }
  .report-remark { font-size: 17px; }
  .mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: repeat(4, 1fr); height: 62px; background: #fff; border-top: 1px solid #e0e8ef; }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; text-align: center; color: #5b6570; font-size: 13px; }
}