/* ═══════════ 子页面头部 ═══════════ */
.page-header {
  background: #fff;
  border-bottom: 2px solid #e0e0e0;
  padding: 12px 0;
}
.page-header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.page-logo {
  font-size: 24px;
  font-weight: 700;
  color: #c00;
  white-space: nowrap;
  text-decoration: none;
}
.page-logo span {
  font-size: 13px;
  color: #666;
  font-weight: 400;
  margin-left: 4px;
}
.page-nav {
  display: flex;
  gap: 0;
}
.page-nav a {
  padding: 6px 14px;
  font-size: 13px;
  color: #555;
  text-decoration: none;
  border-radius: 3px;
}
.page-nav a:hover {
  color: #c00;
  background: #fff8f8;
  text-decoration: none;
}
.page-nav a.active {
  color: #c00;
  font-weight: 700;
  background: #fff8f8;
}

/* ═══════════ 面包屑 ═══════════ */
.page-breadcrumb {
  max-width: 1000px;
  margin: 10px auto;
  padding: 0 10px;
  font-size: 12px;
  color: #999;
}
.page-breadcrumb a { color: #666; }
.page-breadcrumb span { color: #999; margin: 0 5px; }

/* ═══════════ 两栏布局 ═══════════ */
.page-container {
  max-width: 1000px;
  margin: 0 auto 20px;
  padding: 0 10px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.page-sidebar {
  width: 160px;
  flex-shrink: 0;
}
.sidebar-menu {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  overflow: hidden;
}
.sidebar-menu a {
  display: block;
  padding: 10px 15px;
  font-size: 13px;
  color: #555;
  text-decoration: none;
  border-bottom: 1px solid #f0f0f0;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}
.sidebar-menu a:last-child { border-bottom: none; }
.sidebar-menu a:hover {
  background: #fff8f8;
  color: #c00;
  text-decoration: none;
}
.sidebar-menu a.active {
  background: #fff8f8;
  color: #c00;
  border-left-color: #c00;
  font-weight: 700;
}

.page-main {
  flex: 1;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  padding: 20px 25px;
  min-width: 0;
}
.page-title {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
  margin-bottom: 18px;
}
.page-main h3 {
  font-size: 14px;
  font-weight: 700;
  color: #333;
  margin: 20px 0 10px;
  padding-left: 10px;
  border-left: 3px solid #c00;
}
.page-main h3:first-of-type { margin-top: 0; }
.page-main p {
  font-size: 13px;
  color: #555;
  line-height: 1.9;
  margin-bottom: 10px;
}
.page-main ul {
  padding-left: 22px;
  margin-bottom: 12px;
}
.page-main ul li {
  font-size: 13px;
  color: #555;
  line-height: 1.9;
}
.page-main a { color: #0066cc; }
.page-main a:hover { color: #c00; }

/* ═══════════ 时间轴 ═══════════ */
.timeline {
  position: relative;
  padding-left: 22px;
  margin: 10px 0 20px;
}
.timeline:before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: #e0e0e0;
}
.timeline-item {
  position: relative;
  margin-bottom: 14px;
  font-size: 13px;
  color: #555;
  line-height: 1.7;
}
.timeline-item:before {
  content: "";
  position: absolute;
  left: -21px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: #c00;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px #c00;
}
.timeline-year {
  font-weight: 700;
  color: #c00;
  margin-right: 8px;
}

/* ═══════════ 信息表格 ═══════════ */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}
.info-table th, .info-table td {
  border: 1px solid #e0e0e0;
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
.info-table th {
  background: #fafafa;
  color: #333;
  font-weight: 700;
  width: 120px;
}
.info-table td { color: #555; }

/* ═══════════ 表单 ═══════════ */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  color: #333;
  margin-bottom: 6px;
  font-weight: 700;
}
.form-label .required { color: #c00; margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: #c00;
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-tip { font-size: 12px; color: #999; margin-top: 4px; }
.form-submit {
  padding: 8px 30px;
  background: #c00;
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.form-submit:hover { background: #a00; }
.form-submit:active { background: #900; }
.form-reset {
  padding: 8px 30px;
  background: #f5f5f5;
  color: #555;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 14px;
  cursor: pointer;
  margin-left: 10px;
}
.form-reset:hover { background: #eee; }

/* ═══════════ FAQ 折叠 ═══════════ */
.faq-item {
  border-bottom: 1px solid #f0f0f0;
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  padding: 12px 0;
  font-size: 13px;
  font-weight: 700;
  color: #333;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.faq-question:hover { color: #c00; }
.faq-question:before {
  content: "Q";
  display: inline-block;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: #c00;
  color: #fff;
  border-radius: 3px;
  font-size: 11px;
  text-align: center;
  line-height: 18px;
  font-weight: 700;
}
.faq-question:after {
  content: "＋";
  margin-left: auto;
  color: #999;
  font-size: 14px;
  font-weight: 400;
}
.faq-item.open .faq-question:after { content: "－"; }
.faq-answer {
  padding: 0 0 14px 26px;
  font-size: 13px;
  color: #666;
  line-height: 1.9;
  display: none;
}
.faq-item.open .faq-answer { display: block; }

/* ═══════════ 提示信息 ═══════════ */
.notice-box {
  background: #fff8f0;
  border: 1px solid #ffe0b2;
  border-left: 3px solid #ff9800;
  padding: 10px 14px;
  font-size: 13px;
  color: #8a5a00;
  border-radius: 3px;
  margin-bottom: 16px;
  line-height: 1.8;
}
.success-box {
  background: #f0f9f0;
  border: 1px solid #c8e6c9;
  border-left: 3px solid #4caf50;
  padding: 10px 14px;
  font-size: 13px;
  color: #2e7d32;
  border-radius: 3px;
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ═══════════ 联系方式卡片 ═══════════ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.contact-card {
  border: 1px solid #eee;
  border-radius: 3px;
  padding: 12px 15px;
  background: #fafafa;
}
.contact-card .cc-label {
  font-size: 12px;
  color: #999;
  margin-bottom: 4px;
}
.contact-card .cc-value {
  font-size: 13px;
  color: #333;
  font-weight: 700;
}
.contact-card .cc-value a { color: #0066cc; font-weight: 400; }

/* ═══════════ 响应式 ═══════════ */
@media (max-width: 768px) {
  .page-header-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .page-nav { flex-wrap: wrap; }
  .page-container { flex-direction: column; }
  .page-sidebar { width: 100%; }
  .sidebar-menu { display: flex; flex-wrap: wrap; }
  .sidebar-menu a { border-bottom: none; border-right: 1px solid #f0f0f0; flex: 1; text-align: center; padding: 8px; }
  .page-main { padding: 15px; }
  .contact-grid { grid-template-columns: 1fr; }
}