:root {
  --ink: #191514;
  --ink-soft: #665c58;
  --paper: #fffaf5;
  --panel: #fff2e4;
  --muted: #f7eee7;
  --line: #e9d9ce;
  --red: #b5122d;
  --red-dark: #7d0d20;
  --green: #1f7a5c;
  --gold: #c99a42;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(75, 28, 20, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.72;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 0 6vw;
  background: rgba(255, 250, 245, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(201, 154, 66, 0.48);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
}

.brand strong {
  font-size: 19px;
}

.brand small {
  color: var(--ink-soft);
  font-size: 12px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--red);
}

.header-action,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.header-action,
.primary-button {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 10px 22px rgba(181, 18, 45, 0.22);
}

.header-action:hover,
.primary-button:hover {
  background: var(--red-dark);
}

.secondary-button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 42px;
  padding: 56px 6vw 52px;
  color: var(--white);
  background:
    linear-gradient(112deg, rgba(76, 9, 22, 0.98), rgba(164, 18, 42, 0.95)),
    linear-gradient(45deg, rgba(31, 122, 92, 0.18), transparent 58%);
}

.hero-copy {
  max-width: 820px;
  align-self: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: #f2d7a0;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.summary-panel {
  align-self: center;
  padding: 24px;
  color: var(--ink);
  background: rgba(255, 250, 245, 0.98);
  border: 1px solid rgba(242, 215, 160, 0.7);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary-panel h2 {
  margin: 0 0 18px;
  color: var(--red);
  font-size: 24px;
}

.summary-panel dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.summary-panel div {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.summary-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.summary-panel dt {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.summary-panel dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.quick-facts article {
  padding: 22px 3vw;
  border-right: 1px solid var(--line);
}

.quick-facts article:last-child {
  border-right: 0;
}

.quick-facts strong,
.quick-facts span {
  display: block;
}

.quick-facts strong {
  color: var(--red);
  font-size: 22px;
  line-height: 1.25;
}

.quick-facts span {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.section {
  padding: 62px 6vw;
}

.section.muted {
  background: var(--muted);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading .eyebrow,
.consult .eyebrow {
  color: var(--green);
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p,
.consult p {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  min-height: 238px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(63, 30, 20, 0.07);
}

.article-card:hover {
  border-color: rgba(181, 18, 45, 0.45);
  transform: translateY(-2px);
}

.article-card span {
  display: inline-block;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.article-card h3 {
  margin: 10px 0 12px;
  font-size: 22px;
  line-height: 1.3;
}

.article-card p {
  margin: 0;
  color: var(--ink-soft);
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.fit-grid article {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.fit-grid h3 {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 24px;
}

.fit-grid ul {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-soft);
}

.fit-grid li + li {
  margin-top: 8px;
}

.consult {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  background: var(--white);
}

.consult h2 {
  max-width: 880px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 6vw;
  color: rgba(255, 255, 255, 0.78);
  background: #211719;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--white);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-footer a:hover {
  color: var(--white);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px 5vw;
  }

  .nav-links {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 14px;
  }

  .header-action {
    display: none;
  }

  .hero,
  .consult {
    grid-template-columns: 1fr;
  }

  .quick-facts,
  .article-grid,
  .fit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 42px 5vw 38px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .quick-facts,
  .article-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .quick-facts article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 54px 5vw;
  }

  .site-footer {
    display: block;
  }

  .site-footer nav {
    margin-top: 16px;
  }
}