/* ========== 新国潮传媒 Sub-Page Design System ========== */
/* 与首页保持品牌一致性，适配传统滚动页面 */
:root {
  --primary: #C41E3A;
  --primary-dark: #9B1B30;
  --secondary: #D97706;
  --accent: #1E3A5F;
  --success: #059669;
  --cyan: #0891B2;
  --gold-light: #FDE68A;
  --light-bg: #FDF8F4;
  --warm-bg: #FEF3C7;
  --dark-text: #1F1F1F;
  --body-text: #4A4A4A;
  --muted-text: #9CA3AF;
  --border: #E8D5C4;
  --dark-bg: #1a1a2e;
}

/* ========== 全局重置 ========== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif !important;
  color: var(--body-text) !important;
  background: #fff;
  overflow: auto !important;
  height: auto !important;
  padding-top: 80px; /* 固定导航高度补偿 */
}
html { overflow: auto !important; height: auto !important; }

/* ========== 顶部导航栏（与首页统一 .xgc-header） ========== */
.xgc-sub-header {
  background: var(--dark-bg);
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
/* 子页统一使用首页导航类名 */
.xgc-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  padding: 18px 40px; display: flex; align-items: center; justify-content: space-between;
  background: rgba(26,26,46,0.95); backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  height: auto;
}
.xgc-header .logo { display: flex; align-items: stretch; gap: 10px; text-decoration: none; }
.xgc-header .logo > div:last-child { display: flex; flex-direction: column; justify-content: center; }
.xgc-header .logo-icon { width: auto; height: auto; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.xgc-header .logo-icon img { height: 40px; width: auto; object-fit: contain; display: block; }
.xgc-header .logo-text { font-size: 16px; font-weight: 800; color: #fff; letter-spacing: 2px; line-height: 1.3; }
.xgc-header .logo-sub { font-size: 9px; color: rgba(255,255,255,0.6); letter-spacing: 1px; line-height: 1.3; }
.xgc-header .nav-links { display: flex; align-items: center; gap: 18px; }
.xgc-header .nav-links a {
  color: rgba(255,255,255,0.8); text-decoration: none; font-size: 14px;
  font-weight: 500; padding: 4px 12px; border-radius: 4px; transition: all .2s; white-space: nowrap;
}
.xgc-header .nav-links a:hover, .xgc-header .nav-links a.active { color: #fff; background: rgba(196,30,58,0.3); }
.xgc-header .nav-links a.active { background: var(--primary); }
.xgc-header .header-btns { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.xgc-header .btn-cta {
  padding: 7px 18px; background: var(--primary); border-radius: 4px;
  color: #fff; font-size: 13px; text-decoration: none; font-weight: 600; transition: all .3s;
  border: 1px solid rgba(255,255,255,0.3);
}
.xgc-header .btn-cta:hover { background: var(--secondary); border-color: var(--secondary); }
.xgc-header .mobile-menu-btn { display: none; color: #fff; font-size: 20px; cursor: pointer; }

/* ========== 面包屑横幅（顶部预留固定导航高度） ========== */
.xgc-breadcrumb {
  background: linear-gradient(135deg, #1a1a2e 0%, #3d0c11 35%, #6b1a2a 65%, #1a1a2e 100%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}
.xgc-breadcrumb::before {
  content: '';
  position: absolute; top: -50%; right: -15%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(217,119,6,0.1) 0%, transparent 60%);
  border-radius: 50%;
}
.xgc-breadcrumb::after {
  content: '';
  position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(196,30,58,0.1) 0%, transparent 60%);
  border-radius: 50%;
}
.xgc-breadcrumb .container { position: relative; z-index: 2; }
.xgc-breadcrumb h1 {
  font-size: 32px; font-weight: 800; color: #fff;
  letter-spacing: 3px; margin-bottom: 12px; text-align: center;
}
.xgc-breadcrumb h1 .gold { color: var(--secondary); }
.xgc-breadcrumb .crumb-path {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; font-size: 13px; color: rgba(255,255,255,0.6);
}
.xgc-breadcrumb .crumb-path a {
  color: rgba(255,255,255,0.6); text-decoration: none; transition: color .2s;
}
.xgc-breadcrumb .crumb-path a:hover { color: var(--secondary); }
.xgc-breadcrumb .crumb-path .sep { color: rgba(255,255,255,0.3); }
.xgc-breadcrumb .crumb-path .current { color: var(--secondary); font-weight: 600; }

/* ========== 内容区通用 ========== */
.xgc-content-section {
  padding: 60px 0;
}
.xgc-content-section.alt-bg {
  background: var(--light-bg);
}

/* ========== 标题系统 ========== */
.xgc-title {
  text-align: center; margin-bottom: 40px;
}
.xgc-title .en-sub {
  font-size: 12px; color: var(--muted-text); letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 6px;
}
.xgc-title h2 {
  font-size: 28px; color: var(--dark-text); font-weight: 700; margin-bottom: 8px;
}
.xgc-title p {
  font-size: 14px; color: var(--muted-text); max-width: 560px;
  margin: 0 auto; line-height: 1.7;
}
.xgc-title .red-line {
  display: inline-block; width: 40px; height: 3px;
  background: var(--primary); border-radius: 2px; margin-top: 12px;
}

/* ========== 卡片网格 ========== */
.xgc-card-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.xgc-card {
  background: #fff; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border); transition: all .3s;
}
.xgc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  border-color: var(--primary);
}
.xgc-card .card-thumb {
  height: 180px; overflow: hidden; position: relative;
}
.xgc-card .card-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s;
}
.xgc-card:hover .card-thumb img { transform: scale(1.05); }
.xgc-card .card-thumb .card-tag {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 10px; border-radius: 10px;
  font-size: 11px; font-weight: 600;
  background: var(--primary); color: #fff;
}
.xgc-card .card-body { padding: 18px 20px; }
.xgc-card .card-body h3 {
  font-size: 16px; color: var(--dark-text); font-weight: 700;
  margin-bottom: 8px; line-height: 1.5;
}
.xgc-card .card-body h3 a { color: var(--dark-text); text-decoration: none; }
.xgc-card .card-body h3 a:hover { color: var(--primary); }
.xgc-card .card-body p {
  font-size: 13px; color: var(--body-text); line-height: 1.7;
  margin-bottom: 12px;
}
.xgc-card .card-body .card-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 12px; color: var(--muted-text);
}
.xgc-card .card-body .card-meta i { margin-right: 4px; }
.xgc-card .card-body .card-link {
  display: inline-block; color: var(--primary);
  font-size: 13px; font-weight: 600; text-decoration: none;
  transition: color .2s;
}
.xgc-card .card-body .card-link:hover { color: var(--secondary); }
.xgc-card .card-body .card-link::after { content: " →"; }

/* ========== 双列卡片 ========== */
.xgc-card-grid.col-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ========== 筛选标签 ========== */
.xgc-filter {
  display: flex; gap: 8px; justify-content: center;
  margin-bottom: 28px; flex-wrap: wrap;
}
.xgc-filter .filter-btn {
  padding: 6px 18px; border-radius: 20px;
  border: 1px solid var(--border); font-size: 13px;
  color: var(--body-text); background: #fff; cursor: pointer;
  transition: all .2s; font-weight: 500; text-decoration: none;
  display: inline-block;
}
.xgc-filter .filter-btn:hover,
.xgc-filter .filter-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ========== 文章详情 ========== */
.xgc-article {
  max-width: 800px; margin: 0 auto;
}
.xgc-article .article-header {
  margin-bottom: 30px;
}
.xgc-article .article-header h1 {
  font-size: 26px; color: var(--dark-text); font-weight: 700;
  line-height: 1.5; margin-bottom: 12px;
}
.xgc-article .article-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 13px; color: var(--muted-text);
  padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.xgc-article .article-meta i { margin-right: 4px; color: var(--primary); }
.xgc-article .article-body {
  font-size: 15px; line-height: 1.9; color: var(--body-text);
}
.xgc-article .article-body p { margin-bottom: 16px; }
.xgc-article .article-body h2 {
  font-size: 20px; color: var(--dark-text); font-weight: 700;
  margin: 30px 0 16px; padding-left: 12px;
  border-left: 4px solid var(--primary);
}
.xgc-article .article-body img {
  max-width: 100%; border-radius: 8px; margin: 16px 0;
}

/* ========== 侧栏 ========== */
.xgc-sidebar .widget {
  background: #fff; border-radius: 12px; padding: 20px;
  border: 1px solid var(--border); margin-bottom: 20px;
}
.xgc-sidebar .widget-title {
  font-size: 15px; color: var(--dark-text); font-weight: 700;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
}
.xgc-sidebar .widget ul {
  list-style: none; padding: 0; margin: 0;
}
.xgc-sidebar .widget ul li {
  padding: 8px 0; border-bottom: 1px solid #f3f0ec;
}
.xgc-sidebar .widget ul li:last-child { border-bottom: none; }
.xgc-sidebar .widget ul li a {
  color: var(--body-text); text-decoration: none; font-size: 13px;
  display: flex; align-items: center; justify-content: space-between;
  transition: color .2s;
}
.xgc-sidebar .widget ul li a:hover { color: var(--primary); }
.xgc-sidebar .widget ul li a::after { content: "\f105"; font-family: FontAwesome; color: var(--muted-text); }
.xgc-sidebar .widget-search input {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px; transition: border-color .2s;
}
.xgc-sidebar .widget-search input:focus { border-color: var(--primary); outline: none; }
.xgc-sidebar .widget-tags .tagcloud a {
  display: inline-block; padding: 4px 10px; margin: 3px;
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 12px; color: var(--body-text); text-decoration: none;
  transition: all .2s;
}
.xgc-sidebar .widget-tags .tagcloud a:hover {
  border-color: var(--primary); color: var(--primary);
  background: rgba(196,30,58,0.04);
}

/* ========== 联系信息卡 ========== */
.xgc-contact-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-bottom: 50px;
}
.xgc-contact-card {
  background: #fff; border-radius: 12px; padding: 30px 20px;
  text-align: center; border: 1px solid var(--border);
  transition: all .3s;
}
.xgc-contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
  border-color: var(--primary);
}
.xgc-contact-card .cc-icon {
  width: 52px; height: 52px; margin: 0 auto 14px;
  background: rgba(196,30,58,0.08); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--primary);
}
.xgc-contact-card h4 {
  font-size: 16px; color: var(--dark-text); font-weight: 700;
  margin-bottom: 6px;
}
.xgc-contact-card p {
  font-size: 13px; color: var(--body-text); line-height: 1.6;
}

/* ========== 表单系统 ========== */
.xgc-form {
  background: #fff; border-radius: 16px; padding: 40px;
  border: 1px solid var(--border); max-width: 100%; margin: 0;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.xgc-form h3 {
  font-size: 20px; color: var(--dark-text); font-weight: 700;
  margin-bottom: 4px;
}
.xgc-form .form-subtitle {
  font-size: 13px; color: var(--muted-text); line-height: 1.6;
  margin-bottom: 28px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.xgc-form .form-row {
  display: flex; gap: 16px; margin-bottom: 0;
}
.xgc-form .form-row .form-group { flex: 1; min-width: 0; }
.xgc-form .form-group { margin-bottom: 18px; }
.xgc-form label {
  display: block; font-size: 13px; color: var(--dark-text);
  margin-bottom: 6px; font-weight: 600;
}
.xgc-form label::after {
  content: ' *'; color: var(--primary); font-weight: 400;
}
.xgc-form label[for="company"]::after,
.xgc-form label[for="service"]::after,
.xgc-form label[for="content"]::after {
  content: '';
}
.xgc-form input,
.xgc-form textarea,
.xgc-form select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; color: var(--dark-text);
  transition: border-color .2s, box-shadow .2s;
  background: #FAFAFA;
  font-family: inherit;
  box-sizing: border-box;
  max-width: 100%;
}
.xgc-form input:focus,
.xgc-form textarea:focus,
.xgc-form select:focus {
  border-color: var(--primary); outline: none;
  box-shadow: 0 0 0 3px rgba(196,30,58,0.06);
  background: #fff;
}
.xgc-form input::placeholder,
.xgc-form textarea::placeholder {
  color: #B0B0B0; font-size: 13px;
}
.xgc-form textarea { height: 100px; resize: vertical; min-height: 80px; }
.xgc-form select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%239CA3AF'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 32px; cursor: pointer;
}
.xgc-form .submit-btn {
  background: var(--primary); color: #fff; border: none;
  padding: 13px 0; border-radius: 8px; font-size: 15px;
  font-weight: 600; cursor: pointer; transition: all .2s;
  width: 100%; letter-spacing: 1px; margin-top: 4px;
}
.xgc-form .submit-btn:hover { background: var(--primary-dark); }

/* ========== 分页 ========== */
.xgc-pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; margin-top: 40px;
}
.xgc-pagination a,
.xgc-pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; color: var(--body-text); text-decoration: none;
  transition: all .2s;
}
.xgc-pagination a:hover,
.xgc-pagination .active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ========== 关于页内容 ========== */
.xgc-about-content {
  max-width: 900px; margin: 0 auto;
  font-size: 15px; line-height: 2; color: var(--body-text);
}
.xgc-about-content h4 {
  font-size: 18px; color: var(--dark-text); font-weight: 700;
  margin: 24px 0 12px; padding-left: 12px;
  border-left: 4px solid var(--primary);
}
.xgc-about-content p { margin-bottom: 14px; }
.xgc-about-content img {
  max-width: 100%; border-radius: 8px; margin: 16px 0;
}

/* ========== 页脚 ========== */
.xgc-sub-footer {
  background: var(--dark-bg); color: var(--muted-text);
  padding: 40px 0 0;
}
.xgc-sub-footer .footer-grid {
  display: flex; justify-content: space-between; gap: 32px;
  max-width: 1100px; margin: 0 auto; padding: 0 40px;
}
.xgc-sub-footer .footer-col { flex: 1; min-width: 0; }
.xgc-sub-footer .footer-col h4 {
  color: #fff; font-size: 14px; margin-bottom: 12px; font-weight: 600;
}
.xgc-sub-footer .footer-col p,
.xgc-sub-footer .footer-col a {
  font-size: 12px; line-height: 2; color: var(--muted-text);
  text-decoration: none;
}
.xgc-sub-footer .footer-col a:hover { color: #fff; }
.xgc-sub-footer .footer-col .contact-item {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px; font-size: 13px;
}
.xgc-sub-footer .footer-col .contact-item i {
  color: var(--primary); width: 16px; text-align: center;
}
.xgc-sub-footer .copyright-bar {
  border-top: 1px solid rgba(255,255,255,0.08); margin-top: 24px;
  padding: 16px 40px; font-size: 11px; text-align: center;
}
.xgc-sub-footer .copyright-bar a {
  color: var(--muted-text); text-decoration: none;
}
.xgc-sub-footer .copyright-bar a:hover { color: #fff; }

/* ========== 回到顶部 ========== */
.xgc-back-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: none; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer; border: none;
  box-shadow: 0 4px 15px rgba(196,30,58,0.3);
  transition: all .3s;
}
.xgc-back-top:hover { background: var(--primary-dark); transform: translateY(-2px); }
.xgc-back-top.show { display: flex; }

/* ========== 移动端适配 ========== */
@media (max-width: 992px) {
  .xgc-header { padding: 12px 16px; }
  .xgc-header .nav-links { display: none; }
  .xgc-header .mobile-menu-btn { display: block; }
  .xgc-header .btn-cta { display: none; }
  .xgc-sub-header { padding: 0 16px; }
  .xgc-sub-nav { display: none; }
  .xgc-sub-header .mobile-toggle { display: block; }
  .xgc-sub-header .btn-cta { display: none; }
  /* 移动端导航展开 — xgc-header */
  .xgc-header.nav-open {
    flex-wrap: wrap;
  }
  .xgc-header.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    background: var(--dark-bg);
    padding: 8px 0 12px;
    gap: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .xgc-header.nav-open .nav-links a {
    padding: 12px 16px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    white-space: normal;
  }
  .xgc-header.nav-open .nav-links a:last-child { border-bottom: none; }
  /* 旧类兼容 */
  .xgc-sub-header.nav-open .xgc-sub-nav {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--dark-bg); padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  }
  .xgc-sub-header.nav-open .xgc-sub-nav a { padding: 10px 16px; }
  .xgc-card-grid { grid-template-columns: 1fr; }
  .xgc-card-grid.col-2 { grid-template-columns: 1fr; }
  .xgc-contact-cards { grid-template-columns: repeat(2, 1fr); }
  .xgc-form { padding: 24px; }
  .xgc-form .form-row { flex-direction: column; gap: 0; }
  .xgc-form .form-row .form-group { flex: none; width: 100%; }
  .xgc-breadcrumb h1 { font-size: 24px; }
  .xgc-title h2 { font-size: 22px; }
  .xgc-sub-footer .footer-grid { flex-direction: column; gap: 20px; padding: 0 16px; }
}
@media (min-width: 993px) and (max-width: 1200px) {
  .xgc-card-grid { grid-template-columns: repeat(2, 1fr); }
}