/* 湖南省博物馆 · 青铜专题首页 —— hunan-museum.css */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: #241F19;
  background: #191512;
}

button {
  border: 1px solid transparent;
  background-color: #C13A24;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  color: #F3EDE0;
  border-radius: 4px;
  cursor: pointer;
  padding: 12px 24px;
}

.btn-primary {
  background-color: #C13A24;
  color: #F3EDE0;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid rgba(243, 237, 224, 0.3);
  color: #F3EDE0;
}

/* ---------- 页头 ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #191512;
  border-bottom: 1px solid rgba(243, 237, 224, 0.12);
  padding: 24px 64px;
}

.brand-cn {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 22px;
  color: #F3EDE0;
}

.brand-en {
  font-size: 10px;
  letter-spacing: 3px;
  color: #A99E8C;
}

.nav-list {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  color: #A99E8C;
  text-decoration: none;
}

.nav-link.is-active,
.nav-link:hover {
  color: #F3EDE0;
}

/* ---------- 首屏 Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  background: #191512;
  padding: 88px 64px 72px;
}

.hero-copy {
  max-width: 660px;
}

.kicker {
  font-size: 13px;
  letter-spacing: 3px;
  color: #C9A15F;
  margin-bottom: 28px;
}

.hero-title {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 84px;
  line-height: 1.25;
  color: #F3EDE0;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.9;
  color: #A99E8C;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.card-img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: cover;
  background: #DED5C0;
}

.img-hero {
  width: 420px;
  height: 520px;
}

.hero-figure figcaption {
  font-size: 13px;
  color: #A99E8C;
  margin-top: 12px;
}

/* ---------- 开放信息条 ---------- */
.info-strip {
  display: flex;
  gap: 64px;
  background: #191512;
  border-top: 1px solid rgba(243, 237, 224, 0.12);
  padding: 32px 64px;
}

.info-item dt {
  font-size: 12px;
  letter-spacing: 2px;
  color: #C9A15F;
  margin-bottom: 8px;
}

.info-item dd {
  font-size: 15px;
  color: #F3EDE0;
}

/* ---------- 通用板块 ---------- */
.section {
  padding: 112px 64px;
}

.section-light {
  background: #F2ECDD;
}

.section-dark {
  background: #191512;
}

.section-dark .section-title,
.section-dark .card-title {
  color: #F3EDE0;
}

.section-dark .section-desc,
.section-dark .card-desc {
  color: #A99E8C;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 56px;
}

.section-head .kicker {
  color: #C13A24;
  margin-bottom: 16px;
}

.section-dark .kicker {
  color: #C9A15F;
}

.section-title {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 56px;
  color: #241F19;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #6E6355;
  max-width: 520px;
}

.more-link {
  font-size: 15px;
  color: #C13A24;
  text-decoration: none;
}

/* ---------- 卡片 ---------- */
.card-row {
  display: flex;
  gap: 32px;
}

.card {
  flex: 1;
}

.card figure {
  margin-bottom: 16px;
}

.card-tag {
  font-size: 12px;
  letter-spacing: 2px;
  color: #C13A24;
  margin-bottom: 12px;
}

.card-title {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 24px;
  color: #241F19;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #6E6355;
}

.card-bordered {
  border: 1px solid rgba(36, 31, 25, 0.14);
  padding: 32px;
}

/* ---------- 引言带 ---------- */
.quote-band {
  background: #191512;
  padding: 120px 160px;
}

.quote-band blockquote {
  border-left: 4px solid #C13A24;
  padding-left: 40px;
}

.quote-text {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 48px;
  color: #F3EDE0;
  margin-bottom: 20px;
}

.quote-attr {
  font-size: 15px;
  color: #A99E8C;
}

/* ---------- 湖湘文脉 ---------- */
.heritage-list {
  display: flex;
  gap: 40px;
  list-style: none;
}

.heritage-item {
  flex: 1;
}

.heritage-no {
  font-size: 13px;
  letter-spacing: 2px;
  color: #C9A15F;
  margin-bottom: 12px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #191512;
  border-top: 1px solid rgba(243, 237, 224, 0.12);
  padding: 80px 64px 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(243, 237, 224, 0.12);
}

.footer-cn {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: 32px;
  color: #F3EDE0;
}

.footer-en {
  font-size: 11px;
  letter-spacing: 3px;
  color: #C9A15F;
  margin-top: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #A99E8C;
  max-width: 400px;
  margin-top: 12px;
}

.footer-links {
  display: flex;
  gap: 72px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  font-size: 14px;
  color: #A99E8C;
  text-decoration: none;
}

.footer-links a:hover {
  color: #F3EDE0;
}

.footer-group-title {
  font-size: 13px;
  letter-spacing: 2px;
  color: #C9A15F;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 40px;
}

.footer-bottom small {
  font-size: 13px;
  color: #A99E8C;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1024px) {
  .site-header { padding: 20px 32px; }
  .nav-list { gap: 24px; }

  .hero { flex-direction: column; align-items: flex-start; padding: 64px 32px 56px; }
  .hero-title { font-size: 56px; }
  .img-hero { width: 100%; max-width: 420px; height: 440px; }

  .info-strip { padding: 28px 32px; }

  .section { padding: 80px 32px; }
  .section-title { font-size: 44px; }

  .card-row { flex-wrap: wrap; }
  .card { flex: 1 1 300px; }

  .quote-band { padding: 80px 48px; }
  .quote-text { font-size: 40px; }

  .heritage-list { flex-wrap: wrap; }
  .heritage-item { flex: 1 1 300px; }

  .footer-top { flex-wrap: wrap; }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 768px) {
  .site-header { flex-direction: column; gap: 20px; padding: 24px 20px; }
  .nav-list { flex-wrap: wrap; justify-content: center; gap: 14px 20px; }

  .hero { padding: 48px 20px 40px; }
  .hero-title { font-size: 40px; }
  .hero-sub { font-size: 15px; }
  .img-hero { max-width: 100%; height: 320px; }
  .hero-actions { flex-wrap: wrap; }

  .info-strip { flex-direction: column; gap: 24px; padding: 24px 20px; }

  .section { padding: 64px 20px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 40px; }
  .section-title { font-size: 34px; }

  .card-row { flex-direction: column; gap: 48px; }
  .card-img { height: 240px; }

  .quote-band { padding: 56px 20px; }
  .quote-text { font-size: 30px; }

  .heritage-list { flex-direction: column; gap: 40px; }

  .footer-top { flex-direction: column; gap: 48px; }
  .footer-links { flex-wrap: wrap; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

/* ---------- 响应式：小屏手机 ---------- */
@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .section-title { font-size: 28px; }
  .quote-text { font-size: 26px; }
  .brand-cn { font-size: 20px; }
}