:root {
  --accent: #1759ab;
  --deep: #173959;
  --tint: #eef6fc;
  --paper: #f5f8fc;
}
/* 每个网站独立部署；主题颜色由维护配置生成，页面无需外部字体或样式库。 */
:root {
  --ink: #182834;
  --muted: #536471;
  --line: #dce3e7;
  --white: #ffffff;
  --radius: 8px;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
h1, h2, h3, p, figure, dl, dd { margin: 0; }
h1, h2, h3 { line-height: 1.4; font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
.container { width: min(var(--content), calc(100% - 64px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 100;
  padding: 10px 18px;
  color: var(--white);
  background: var(--deep);
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); color: var(--white); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 0; text-decoration: none; }
.brand-mark { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; background: var(--deep); color: var(--white); border-radius: 8px; font-size: 22px; font-weight: 700; }
.brand-copy { display: grid; gap: 1px; }
.brand-name { font-size: 20px; font-weight: 700; line-height: 1.4; }
.brand-entity { color: var(--muted); font-size: 12px; line-height: 1.6; text-wrap: balance; }
.site-nav ul { display: flex; align-items: center; flex-wrap: wrap; list-style: none; gap: 6px; }
.site-nav a { display: block; padding: 10px 13px; font-size: 14px; text-decoration: none; border-radius: 6px; }
.site-nav a:hover { background: var(--tint); }
.site-nav .nav-contact { background: var(--deep); color: var(--white); margin-left: 10px; padding-inline: 20px; }
.site-nav .nav-contact:hover { background: var(--accent); color: var(--white); }
.menu-toggle { display: grid; place-items: center; border: 1px solid var(--line); background: var(--white); border-radius: 6px; padding: 0; color: var(--ink); width: 44px; height: 44px; flex-shrink: 0; }
.menu-toggle svg, .icon-button svg { width: 20px; height: 20px; }
.menu-toggle[aria-expanded="false"] .close-icon, .menu-toggle[aria-expanded="true"] .menu-icon { display: none; }
.hero { position: relative; isolation: isolate; overflow: hidden; padding: 66px 0 24px; background: var(--deep); color: var(--white); }
.hero-media { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: #071d28a8; }
.hero-copy { max-width: 1000px; }
.eyebrow { display: block; color: var(--accent); font-weight: 600; font-size: 13px; margin-bottom: 16px; }
.hero .eyebrow { color: #dbeaf3; }
.hero h1 { font-size: 42px; line-height: 1.4; text-wrap: balance; }
.hero-tagline { font-size: 22px; margin-top: 18px; }
.hero-intro { max-width: 42em; color: #e4eef4; font-size: 16px; margin-top: 14px; }
.hero .button { background: var(--white); color: var(--ink); border-color: var(--white); }
.hero .button:hover { background: var(--tint); }
.hero .button-secondary { color: var(--white); background: transparent; border-color: #ffffff9c; }
.hero .button-secondary:hover { color: var(--ink); background: var(--white); }
.image-caption { font-size: 11px; color: #dbe7ed; margin-top: 20px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 10px 22px; border: 1px solid var(--deep); border-radius: 6px; color: var(--white); background: var(--deep); font-weight: 600; font-size: 14px; text-decoration: none; transition: background .16s ease, border-color .16s ease; }
.button svg { width: 18px; height: 18px; flex-shrink: 0; }
.icon-button { width: 48px; height: 48px; padding: 0; }
.button:hover { color: var(--white); background: var(--accent); border-color: var(--accent); }
.button-secondary { color: var(--ink); border-color: var(--line); background: var(--white); }
.button-secondary:hover { color: var(--accent); border-color: var(--accent); background: var(--white); }
.hero-topics { display: flex; flex-wrap: wrap; gap: 12px 36px; list-style: none; padding: 20px 0 0; margin-top: 32px; border-top: 1px solid #ffffff60; color: #e4eef4; font-size: 13px; }
.hero-topics li { display: flex; align-items: center; gap: 10px; }
.hero-topics li::before { content: ""; width: 5px; height: 5px; background: #e4eef4; border-radius: 50%; }
.section { padding: 84px 0; }
.section-white { background: var(--white); }
.section-head { max-width: 700px; margin-bottom: 36px; }
.section h2 { font-size: 30px; text-wrap: balance; }
.section-lead { margin-top: 14px; color: var(--muted); }
.about-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 70px; align-items: start; }
.about-copy p + p { margin-top: 18px; }
.about-copy > p { color: var(--muted); }
.about-copy .company-intro { margin-top: 26px; }
.company-facts { padding: 26px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.company-facts > div { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 14px; padding: 15px 0; }
.company-facts > div + div { border-top: 1px solid var(--line); }
.company-facts dt { font-size: 13px; color: var(--muted); }
.company-facts dd { font-size: 14px; overflow-wrap: anywhere; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card { padding: 28px; border: 1px solid var(--line); background: var(--white); border-radius: var(--radius); }
.service-number { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 6px; color: var(--accent); background: var(--tint); font-size: 13px; font-weight: 600; margin-bottom: 22px; }
.service-card h3 { font-size: 19px; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin-top: 22px; }
.tags li { border: 1px solid var(--line); border-radius: 5px; padding: 2px 7px; color: var(--muted); font-size: 11px; }
.service-note { margin-top: 24px; color: var(--muted); font-size: 13px; }
.process-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; gap: 24px; }
.process-step { border-top: 2px solid var(--accent); padding-top: 22px; }
.step-number { font-size: 12px; color: var(--accent); }
.process-step h3 { font-size: 19px; margin: 14px 0 10px; }
.process-step p { color: var(--muted); font-size: 14px; }
.faq-layout { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: 72px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { padding: 20px 4px; font-size: 16px; font-weight: 600; cursor: pointer; }
.faq-list details p { padding: 0 4px 22px; color: var(--muted); font-size: 14px; }
.contact-section { background: var(--tint); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 70px; align-items: start; }
.contact-details { margin-top: 26px; }
.contact-details > div + div { margin-top: 20px; }
.contact-details dt { font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.contact-details dd { font-size: 15px; overflow-wrap: anywhere; }
.contact-card { background: var(--white); padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-card h3 { font-size: 22px; }
.contact-card > p { font-size: 14px; margin-top: 14px; color: var(--muted); }
.contact-email { display: block; font-size: 23px; font-weight: 600; color: var(--accent); overflow-wrap: anywhere; margin-top: 24px; }
.contact-card .actions { margin-top: 22px; gap: 10px; }
.contact-card .contact-hint { font-size: 12px; margin-top: 22px; }
.copy-status { min-height: 1.8em; font-size: 12px; margin-top: 8px; color: var(--accent); }
.site-footer { color: #e4ebef; background: #182834; padding: 46px 0 24px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr) minmax(0, 1fr); gap: 48px; margin-bottom: 36px; }
.footer-name { font-size: 16px; font-weight: 600; }
.footer-description { font-size: 13px; color: #c2d0d9; margin-top: 12px; max-width: 30em; }
.footer-label { font-size: 12px; color: #c2d0d9; margin-bottom: 12px; }
.footer-links { display: grid; list-style: none; gap: 8px; font-size: 13px; }
.site-footer a { color: #e4ebef; }
.site-footer a:hover { color: var(--white); }
.footer-email { overflow-wrap: anywhere; font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: start; flex-wrap: wrap; gap: 12px 30px; padding-top: 22px; border-top: 1px solid #3a4b57; color: #c2d0d9; font-size: 12px; }
.legal-main { padding: 64px 0 80px; }
.legal-container { width: min(880px, calc(100% - 64px)); margin-inline: auto; }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 26px; }
.legal-heading { font-size: 36px; }
.legal-meta { font-size: 13px; color: var(--muted); margin-top: 12px; }
.legal-intro { background: var(--tint); padding: 24px; border-radius: 8px; margin-top: 28px; font-size: 15px; }
.legal-section { margin-top: 36px; }
.legal-section h2 { font-size: 21px; margin-bottom: 16px; }
.legal-section p, .legal-section li { font-size: 15px; color: var(--muted); overflow-wrap: anywhere; }
.legal-section p + p { margin-top: 14px; }
.legal-section ul { padding-left: 1.4em; }
.legal-section li + li { margin-top: 9px; }
.legal-section a { color: var(--accent); }
.error-main { min-height: 65vh; display: grid; place-items: center; padding: 70px 24px; text-align: center; }
.error-code { color: var(--accent); font-size: 100px; line-height: 1; font-weight: 700; margin-bottom: 26px; }
.error-main h1 { font-size: 30px; }
.error-main p { color: var(--muted); margin: 16px 0 28px; }
.error-main .actions { justify-content: center; }

@media (max-width: 1100px) {
  .brand-entity { max-width: 23em; }
  .site-nav a { padding-inline: 10px; }
  .site-nav .nav-contact { margin-left: 3px; padding-inline: 14px; }
  .about-layout, .contact-grid, .faq-layout { gap: 40px; }
  .service-card { padding: 24px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 82px; flex-wrap: wrap; gap: 0 18px; padding-block: 14px; }
  .brand { flex: 1; }
  .brand-name { font-size: 18px; }
  .brand-entity { font-size: 11px; }
  .brand-mark { width: 40px; height: 40px; flex-basis: 40px; font-size: 20px; }
  .site-nav { width: 100%; padding-top: 12px; }
  .site-nav ul { gap: 4px; }
  .site-nav a { padding: 8px 10px; }
  .site-nav .nav-contact { margin-left: 0; }
  .hero { padding: 48px 0 24px; }
  .hero h1 { font-size: 34px; }
  .hero-intro { font-size: 15px; }
  .hero-topics { margin-top: 38px; }
  .section { padding: 64px 0; }
  .about-layout, .contact-grid, .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .footer-grid { gap: 30px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 6rem; }
  .hero { padding-top: 36px; }
  .hero h1 { font-size: 27px; }
  .hero-tagline { font-size: 18px; }
  .hero .actions { margin-top: 22px; }
  .hero-topics { gap: 10px 20px; font-size: 12px; padding-top: 22px; margin-top: 30px; }
  .section { padding: 52px 0; }
  .section h2 { font-size: 26px; }
  .eyebrow { font-size: 12px; margin-bottom: 12px; }
  .section-head { margin-bottom: 26px; }
  .section-lead { font-size: 14px; }
  .about-copy > p { font-size: 14px; }
  .company-facts { padding: 12px 20px; }
  .company-facts > div { grid-template-columns: 60px minmax(0, 1fr); gap: 10px; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { padding: 24px; }
  .service-number { margin-bottom: 16px; }
  .process-list { gap: 28px 22px; }
  .process-step h3 { font-size: 17px; }
  .process-step p { font-size: 13px; }
  .contact-card { padding: 24px; }
  .contact-email { font-size: 20px; }
  .legal-heading { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .legal-main { padding: 40px 0 56px; }
  .legal-container { width: calc(100% - 40px); }
  .legal-intro { padding: 20px; }
}
@media (max-width: 359px) {
  .brand { gap: 9px; }
  .brand-mark { flex-basis: 32px; width: 32px; height: 36px; font-size: 18px; border-radius: 9px; }
  .brand-entity { max-width: 15em; font-size: 10px; }
  .menu-toggle { padding-inline: 10px; }
  .hero h1 { font-size: 24px; }
  .hero .actions { gap: 8px; }
  .hero .button { padding-inline: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.site-main { overflow: hidden; }
.variant-header { background: color-mix(in srgb, var(--paper) 92%, white); }
.variant-header .brand-mark { background: var(--accent); }
.variant-header .site-nav a:hover { color: var(--accent); }
.hero { padding: 64px 0 28px; min-height: 590px; background: var(--deep); }
.hero-media { opacity: .26; object-position: center 45%; }
.hero-shade { position: absolute; z-index: -1; inset: 0; background: var(--deep); opacity: .68; }
.hero-grid { min-height: 438px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: clamp(28px, 6vw, 96px); align-items: center; }
.hero-copy { max-width: 760px; }
.hero h1 { max-width: 14em; font-size: clamp(34px, 4.2vw, 60px); letter-spacing: 0; }
.hero-tagline { max-width: 34em; font-size: 18px; color: #eef5f4; }
.hero-intro { max-width: 44em; }
.hero-panel { align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid #ffffff60; background: #071d2855; backdrop-filter: blur(4px); }
.panel-label { color: #dcece9; font-size: 12px; letter-spacing: .08em; }
.hero-panel ol { list-style: none; margin-top: 34px; }
.hero-panel li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 15px; padding: 17px 0; border-top: 1px solid #ffffff42; }
.panel-index { color: #b7d8d0; font-size: 12px; }
.hero-panel strong, .hero-panel small { display: block; }
.hero-panel strong { font-size: 16px; font-weight: 600; color: #fff; }
.hero-panel small { margin-top: 3px; color: #cfe1dd; font-size: 12px; overflow-wrap: anywhere; }
.panel-note { padding-top: 20px; color: #dcece9; font-size: 12px; border-top: 1px solid #ffffff42; }
.hero-topline { display: flex; flex-wrap: wrap; gap: 8px 28px; padding-top: 20px; border-top: 1px solid #ffffff50; color: #dcece9; font-size: 12px; }
.hero-topline span::before { content: '•'; margin-right: 8px; color: var(--accent); }
.section-marker { position: relative; }
.section-marker::before { content: ''; display: block; width: 40px; height: 3px; margin-bottom: 22px; background: var(--accent); }
.services-section { background: var(--paper); }
.service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card { background: color-mix(in srgb, var(--paper) 84%, white); border-color: color-mix(in srgb, var(--accent) 20%, var(--line)); transition: transform .16s ease, border-color .16s ease; }
.service-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.service-number { margin-bottom: 0; color: var(--deep); background: var(--tint); }
.card-type { color: var(--muted); font-size: 11px; }
.extra-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 52px; }
.extra-card { padding: 22px; border: 1px solid var(--line); background: var(--paper); }
.extra-label { color: var(--accent); font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.extra-card > p:last-child { color: var(--muted); font-size: 13px; }
.faq-section { background: var(--paper); }
.contact-section { background: var(--tint); }
.contact-card { box-shadow: 10px 10px 0 color-mix(in srgb, var(--accent) 12%, transparent); }
.contact-card-kicker { color: var(--accent) !important; font-size: 12px !important; font-weight: 600; letter-spacing: .05em; }
.site-footer { background: var(--deep); }

@media (max-width: 900px) {
  .hero { min-height: 0; padding-top: 42px; }
  .hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 30px; }
  .hero-panel { min-height: 225px; }
  .hero-topline { margin-top: 30px; }
}
@media (max-width: 620px) {
  .hero { padding-top: 32px; }
  .hero h1 { font-size: 31px; }
  .hero-tagline { font-size: 16px; }
  .hero-panel { padding: 20px; }
  .hero-panel ol { margin-top: 15px; }
  .hero-panel li { padding: 10px 0; }
  .hero-topline { gap: 7px 15px; margin-top: 20px; }
  .extra-grid { grid-template-columns: 1fr; margin-top: 36px; }
  .contact-card { box-shadow: 5px 5px 0 color-mix(in srgb, var(--accent) 12%, transparent); }
}

.layout-portal .hero { background: #273d76; }
.layout-portal .hero-panel { background: #11204b99; }
.layout-portal .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.layout-portal .service-card { border-radius: 3px; border-left: 5px solid var(--accent); }
.layout-portal .service-card:nth-child(3n) { border-left-color: var(--deep); }
.layout-portal .process-list { background: var(--tint); padding: 24px; border: 1px solid var(--line); }
.layout-portal .process-step { border-top-color: var(--deep); }

@media (max-width: 900px) {
  .site-main .hero-grid { grid-template-columns: 1fr; }
  .site-main .hero-panel { min-height: 0; padding: 15px 18px; }
  .site-main .hero-panel ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
  .site-main .hero-panel li { grid-template-columns: 22px minmax(0, 1fr); gap: 6px; padding: 7px 5px 7px 0; border-top: 0; border-right: 1px solid #ffffff42; }
  .site-main .hero-panel li:last-child { border-right: 0; }
  .site-main .hero-panel strong { font-size: 14px; }
  .site-main .hero-panel small { font-size: 11px; }
  .site-main .panel-note { padding-top: 10px; font-size: 11px; }
  .site-main .hero-topline { margin-top: 14px; padding-top: 12px; }
}
@media (max-width: 620px) {
  .site-main .hero { padding: 24px 0 14px; }
  .site-main .hero-grid { gap: 15px; }
  .site-main .hero h1 { font-size: 28px; }
  .site-main .hero .hero-tagline { margin-top: 8px; font-size: 15px; }
  .site-main .hero .hero-intro { margin-top: 8px; font-size: 14px; }
  .site-main .hero .actions { margin-top: 16px; }
  .site-main .hero .image-caption { margin-top: 12px; font-size: 10px; }
  .site-main .hero-panel { padding: 12px 14px; }
  .site-main .hero-panel ol { margin-top: 8px; }
  .site-main .hero-panel li { padding-block: 4px; }
  .site-main .hero-panel strong { font-size: 13px; }
  .site-main .hero-panel small { font-size: 10px; }
  .site-main .panel-note { display: none; }
  .site-main .hero-topline { margin-top: 10px; padding-top: 9px; font-size: 10px; }
}