:root {
  --ink: #101820;
  --muted: #5d6978;
  --line: #dce4ec;
  --soft: #f4f7fa;
  --accent: #f2b705;
  --blue: #0f3d63;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: auto; }
.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.navbar .wrap {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-box {
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(16, 24, 32, .12);
}
.logo-box img { display: block; width: 44px; height: 44px; object-fit: contain; }
.brand-title { display: block; font-weight: 900; font-size: 22px; }
.brand-subtitle { display: block; color: var(--muted); font-size: 14px; }
.navlinks { display: flex; align-items: center; gap: 24px; font-weight: 800; }
.quote-btn,
.solid-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--accent);
  color: #101820;
  font-weight: 900;
  padding: 14px 24px;
}
.hero {
  background: linear-gradient(135deg, #101820, #1b2e42);
  color: #fff;
  padding: 84px 0;
}
.breadcrumbs { margin-bottom: 22px; color: #9fb0bf; font-size: 14px; }
.breadcrumbs a { color: #fff; }
.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 12px 0 18px;
  max-width: 920px;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1;
}
.hero p { max-width: 820px; color: #dbe4ec; font-size: 20px; }
.section { padding: 72px 0; }
.soft { background: var(--soft); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 28px;
}
.section h2 {
  margin: 8px 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.1;
}
.section-head p { max-width: 620px; margin: 0; color: var(--muted); }
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.card,
.article-card,
.resource-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(16, 24, 32, .06);
}
.card,
.article-card { padding: 26px; }
.card h3,
.article-card h3,
.resource-card h3 { margin: 0 0 10px; color: var(--ink); font-size: 24px; line-height: 1.18; }
.card p,
.article-card p,
.resource-card p { margin: 0 0 18px; color: var(--muted); }
.resource-card { display: block; overflow: hidden; }
.resource-image {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
  background: #eef4f8;
}
.resource-card h3,
.resource-card p,
.resource-card .link { margin-left: 22px; margin-right: 22px; }
.card:hover,
.article-card:hover { transform: translateY(-4px); box-shadow: 0 20px 42px rgba(16, 24, 32, .11); }
.card,
.article-card { transition: transform .18s ease, box-shadow .18s ease; }
.link { color: #00558a; font-weight: 900; }
.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}
.article-meta a,
.pill {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #0f3d63;
  font-size: 13px;
  font-weight: 900;
  padding: 7px 12px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 34px;
  align-items: start;
}
.article-body {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: clamp(28px, 5vw, 54px);
  box-shadow: 0 14px 32px rgba(16, 24, 32, .06);
}
.article-body h2 { margin-top: 34px; font-size: 30px; line-height: 1.16; }
.article-body h2:first-child { margin-top: 0; }
.article-body p,
.article-body li { color: #425366; }
.article-body ul { padding-left: 20px; }
.article-hero { padding: 72px 0; }
.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 34px;
  align-items: center;
}
.image-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  margin: 0;
  border: 1px dashed #9fb0bf;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(242, 183, 5, .12), rgba(15, 61, 99, .12)),
    #f8fafc;
  color: #0f3d63;
  text-align: center;
  font-weight: 900;
}
.image-placeholder small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.hero-placeholder {
  min-height: 340px;
  border-color: rgba(255, 255, 255, .38);
  background:
    linear-gradient(135deg, rgba(242, 183, 5, .18), rgba(255, 255, 255, .08)),
    rgba(255, 255, 255, .08);
  color: #fff;
}
.article-hero-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 18px;
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 24px 54px rgba(0, 0, 0, .22);
}
.article-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.small-placeholder {
  min-height: 160px;
  border-width: 0 0 1px;
  border-radius: 14px 14px 0 0;
}
.table-wrap { overflow-x: auto; margin: 22px 0; }
.kc-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: #fff;
}
.kc-table th,
.kc-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.kc-table th {
  background: #101820;
  color: #fff;
  font-size: 14px;
}
.kc-card-grid,
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0;
}
.recommend-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  padding: 20px;
}
.mini-card h3 { margin: 0 0 8px; }
.mini-card p { margin: 0; color: var(--muted); }
.faq-list {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
  padding: 16px 18px;
}
.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}
.article-cta {
  margin-top: 38px;
  border-radius: 18px;
  background: #101820;
  color: #fff;
  padding: 30px;
}
.article-cta h2 { color: #fff; margin-top: 0; }
.article-cta p { color: #dbe4ec; }
.sidebar-card {
  position: sticky;
  top: 110px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f8fafc;
  padding: 24px;
}
.sidebar-card h3 { margin: 0 0 14px; }
.side-links { display: grid; gap: 10px; }
.related-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.cta { background: #101820; color: #fff; }
.cta p { color: #dbe4ec; }
.site-footer { background: #0d1720; color: #dce5ed; padding: 52px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.footer-links { display: grid; gap: 10px; color: #c9d4df; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #9fb0bf;
}
.fuxin-whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 13px 18px;
  border-radius: 999px;
  background: #25d366;
  color: #fff !important;
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(13, 24, 34, .22);
}
.fuxin-whatsapp-float svg { width: 27px; height: 27px; fill: currentColor; }
@media (max-width: 900px) {
  .navlinks { display: none; }
  .grid,
  .article-list,
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-head { display: block; }
  .article-layout { grid-template-columns: 1fr; }
  .hero-split { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .recommend-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid,
  .article-list,
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 62px 0; }
  .footer-bottom { display: grid; }
  .kc-card-grid { grid-template-columns: 1fr; }
  .image-placeholder,
  .hero-placeholder { min-height: 220px; }
  .fuxin-whatsapp-float span { display: none; }
}