/* ═══════════ 内页共用（延续主站主题变量） ═══════════ */
/* 变量继承 style.css，这里不重复定义 */

/* ── 内页头部 ── */
.page-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.page-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.page-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.page-logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 900;
}
.page-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
}

.page-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.page-nav a {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.page-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.page-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

/* ── 面包屑 ── */
.page-breadcrumb {
  max-width: 1100px;
  margin: 14px auto 0;
  padding: 0 20px;
  font-size: 12.5px;
  color: var(--text-tertiary);
}
.page-breadcrumb a { color: var(--text-secondary); }
.page-breadcrumb a:hover { color: var(--primary); }
.page-breadcrumb span { margin: 0 6px; }

/* ── 两栏布局 ── */
.page-container {
  max-width: 1100px;
  margin: 16px auto 30px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: start;
}

/* ── 侧边栏 ── */
.page-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 20px;
}
.sidebar-menu a {
  display: block;
  padding: 11px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.sidebar-menu a:last-child { border-bottom: none; }
.sidebar-menu a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.sidebar-menu a.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 700;
}

/* ── 主内容 ── */
.page-main {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}
.page-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
  position: relative;
  letter-spacing: -0.3px;
}
.page-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 44px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.page-main h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 22px 0 10px;
  padding-left: 10px;
  border-left: 3px solid var(--primary);
  line-height: 1.3;
}
.page-main h3:first-of-type { margin-top: 0; }
.page-main p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 10px;
}
.page-main ul, .page-main ol {
  padding-left: 22px;
  margin-bottom: 12px;
}
.page-main ul li, .page-main ol li {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 4px;
}
.page-main a { color: var(--primary); }
.page-main a:hover { color: var(--primary-hover); }

/* ── 信息表格 ── */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
  border-radius: 6px;
  overflow: hidden;
}
.info-table th, .info-table td {
  border: 1px solid var(--border);
  padding: 9px 14px;
  text-align: left;
  vertical-align: top;
}
.info-table th {
  background: var(--primary-light);
  color: var(--text);
  font-weight: 700;
  width: 130px;
}
.info-table td { color: var(--text-secondary); }

/* ── 时间轴 ── */
.timeline {
  position: relative;
  padding-left: 24px;
  margin: 10px 0 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 16px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 2px solid var(--primary);
}
.timeline-year {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  margin-right: 8px;
}

/* ── 表单 ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 7px;
  font-weight: 700;
}
.form-label .required { color: #ef4444; margin-left: 3px; }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  background: var(--card-bg);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-tertiary);
}
.form-textarea { resize: vertical; min-height: 130px; }
.form-tip { font-size: 12px; color: var(--text-tertiary); margin-top: 5px; }

.form-submit {
  padding: 10px 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}
.form-submit:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 12px rgba(59,130,246,0.25);
}
.form-reset {
  padding: 10px 30px;
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
  margin-left: 10px;
  font-family: inherit;
  transition: var(--transition);
}
.form-reset:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--border-hover);
}

/* ── FAQ 折叠 ── */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  padding: 14px 0;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.faq-question::after {
  content: "＋";
  margin-left: auto;
  color: var(--text-tertiary);
  font-size: 15px;
  font-weight: 400;
  transition: transform 0.2s;
}
.faq-item.open .faq-question { color: var(--primary); }
.faq-item.open .faq-question::after {
  content: "－";
  color: var(--primary);
}
.faq-answer {
  padding: 0 0 16px 30px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.9;
  display: none;
}
.faq-item.open .faq-answer { display: block; }

/* ── 提示框 ── */
.notice-box {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  line-height: 1.85;
}
.notice-box strong { color: var(--primary); }

.success-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 3px solid #10b981;
  padding: 12px 16px;
  font-size: 13px;
  color: #065f46;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  line-height: 1.85;
}
[data-theme="dark"] .success-box {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.3);
  color: #6ee7b7;
}

/* ── 联系方式卡片 ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: var(--bg);
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(59,130,246,0.08);
}
.contact-card .cc-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 5px;
}
.contact-card .cc-value {
  font-size: 13.5px;
  color: var(--text);
  font-weight: 700;
  word-break: break-all;
}
.contact-card .cc-value a {
  color: var(--primary);
  font-weight: 500;
}

/* ── 页脚 ── */
.page-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 30px;
}
.page-footer .footer-links { margin-bottom: 8px; }
.page-footer .footer-links a {
  color: var(--text-secondary);
  margin: 0 6px;
}
.page-footer .footer-links a:hover { color: var(--primary); }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .page-header-inner { flex-wrap: wrap; gap: 10px; }
  .page-container {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .page-sidebar {
    position: static;
  }
  .sidebar-menu {
    display: flex;
    flex-wrap: wrap;
  }
  .sidebar-menu a {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: 10px 6px;
    font-size: 12.5px;
    border-bottom: none;
    border-right: 1px solid var(--border);
    border-left: none;
    border-top: 3px solid transparent;
  }
  .sidebar-menu a:last-child { border-right: none; }
  .sidebar-menu a.active {
    border-left: none;
    border-top-color: var(--primary);
  }
  .page-main { padding: 18px; }
  .contact-grid { grid-template-columns: 1fr; }
}