:root {
  --ink: #121821;
  --subtle: #4b5a6a;
  --paper: #f6f2eb;
  --canvas: #fdfbf7;
  --accent: #1b3a57;
  --accent-dark: #0c2336;
  --accent-hot: #c65a28;
  --line: #ded8cf;
  --shadow: 0 18px 40px rgba(12, 35, 54, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    repeating-linear-gradient(0deg, rgba(17, 31, 45, 0.03), rgba(17, 31, 45, 0.03) 1px, transparent 1px, transparent 28px),
    radial-gradient(1100px 520px at 85% -10%, rgba(198, 90, 40, 0.08), transparent 60%),
    var(--canvas);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: rgba(253, 251, 247, 0.92);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.logo-mark {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 2px;
}

.logo-sub {
  font-size: 12px;
  color: var(--subtle);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  font-size: 15px;
}

.site-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.site-nav a:hover {
  background: var(--paper);
  color: var(--accent-dark);
}

.cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  box-shadow: 0 10px 20px rgba(27, 58, 87, 0.2);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  padding: 90px 0 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(34px, 4.6vw, 52px);
  margin: 0 0 12px;
}

.lead {
  font-size: 18px;
  color: var(--subtle);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.button {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  font-weight: 600;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.ghost {
  background: transparent;
  color: var(--accent-dark);
}

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 13px;
  color: var(--accent-dark);
}

.hero-badges span {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px dashed rgba(27, 58, 87, 0.5);
  background: rgba(27, 58, 87, 0.06);
}

.hero-panel {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: #fff;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-width: 240px;
}

.hero-stat {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(27, 58, 87, 0.2);
}

.hero-stat:last-child {
  border-bottom: none;
}

.hero-stat strong {
  font-size: 18px;
}

.section {
  padding: 30px 0 50px;
}

.section h2 {
  margin-bottom: 8px;
  font-size: 26px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 22px;
}

.section-head p {
  color: var(--subtle);
  max-width: 520px;
  margin: 0;
}

.section-split {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(246, 242, 235, 0.9));
  border-radius: 20px;
  padding: 34px;
  border: 1px solid rgba(27, 58, 87, 0.08);
}

.link {
  color: var(--accent);
  font-weight: 600;
}

.page-hero {
  padding: 40px 0 10px;
}

.page-hero h1 {
  font-size: clamp(26px, 3vw, 36px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(27, 58, 87, 0.1);
  padding: 18px;
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.1);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card-accent {
  position: relative;
  overflow: hidden;
}

.card-accent::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 70px;
  background: radial-gradient(circle at top right, rgba(198, 90, 40, 0.2), transparent 60%);
}

.card-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--accent-dark);
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(27, 58, 87, 0.1);
}

.meta {
  font-size: 12px;
  color: var(--subtle);
}

.content {
  padding: 40px 0 60px;
}

.content-header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
  padding-bottom: 12px;
}

.content-body img {
  max-width: 100%;
  border-radius: 10px;
}

.content-body {
  line-height: 1.8;
}

.content-body h3 {
  margin: 28px 0 12px;
  line-height: 1.4;
}

.content-body p {
  margin: 0 0 12px;
}

.content-body ul,
.content-body ol {
  margin: 0 0 16px;
  padding-left: 20px;
}

.content-body blockquote {
  margin: 12px 0 18px;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: rgba(27, 58, 87, 0.08);
  border-radius: 8px;
}

.content-body blockquote strong {
  color: var(--accent-dark);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 20px 0 40px;
  font-size: 14px;
}

.empty {
  color: var(--subtle);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 40px;
  color: var(--subtle);
  background: var(--paper);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 700px) {
  .header-inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .site-nav ul {
    flex-wrap: wrap;
  }

  .section-split {
    padding: 24px;
  }
}