/* ============================================================
   深圳市IT服务商协会 - 主样式表
   ============================================================ */

/* --- 基础重置 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  color: #333;
  background: #fff;
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* --- 容器 --- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   顶部信息栏
   ============================================================ */
.topbar {
  background: #0d2f6e;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 6px 0;
}
.topbar .container {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.topbar span i { margin-right: 5px; color: #7ec8ff; }
.topbar .topbar-right { margin-left: auto; }
.topbar .topbar-right a { color: rgba(255,255,255,0.85); margin-left: 8px; }
.topbar .topbar-right a:hover { color: #fff; text-decoration: underline; }

/* ============================================================
   Header / Logo + Nav
   ============================================================ */
.site-header {
  background: #fff;
  border-bottom: 1px solid #e8edf5;
  position: sticky;
  top: 0;
  z-index: 999;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-img {
  height: 48px;
  width: auto;
  display: block;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #0d2f6e;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* 导航 */
.main-nav ul { display: flex; gap: 2px; align-items: center; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  padding: 0 16px;
  height: 64px;
  line-height: 64px;
  font-size: 14px;
  color: #444;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active { color: #1a56a0; }
.main-nav > ul > li > a.active { border-bottom: 2px solid #1a56a0; }

/* 汉堡菜单（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: 0.3s;
}

/* ============================================================
   Hero Banner
   ============================================================ */
.hero-banner { position: relative; }
.banner-slides { min-height: 400px; }
.slide {
  min-height: 400px;
  display: flex;
  align-items: center;
}
.slide-content { color: #fff; padding: 60px 0; }
.slide-content h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.slide-content p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.9;
}
.banner-btns { display: flex; gap: 16px; }

/* Banner 统计数字 */
.banner-stats {
  background: #1a56a0;
}
.banner-stats .container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 20px 24px;
}
.stat-item { text-align: center; color: #fff; }
.stat-num { display: block; font-size: 32px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 13px; opacity: 0.85; margin-top: 4px; display: block; }

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
}
.btn-primary {
  background: #1a56a0;
  color: #fff;
  border-color: #1a56a0;
}
.btn-primary:hover { background: #0d2f6e; border-color: #0d2f6e; }
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-outline-blue {
  background: transparent;
  color: #1a56a0;
  border-color: #1a56a0;
}
.btn-outline-blue:hover { background: #f0f6ff; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ============================================================
   通用 Section
   ============================================================ */
.section { padding: 72px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: #0d2f6e;
  margin-bottom: 10px;
}
.section-header p { color: #666; font-size: 16px; }
.section-header h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: #1a56a0;
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ============================================================
   服务卡片
   ============================================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.25s, transform 0.25s;
}
.service-card:hover {
  box-shadow: 0 8px 28px rgba(26,86,160,0.12);
  transform: translateY(-4px);
}
.service-icon {
  width: 62px;
  height: 62px;
  background: #f0f6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.service-icon i {
  font-size: 26px;
  color: #1a56a0;
}
.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #0d2f6e;
  margin-bottom: 10px;
}
.service-card p { color: #666; font-size: 14px; line-height: 1.7; }

/* ============================================================
   关于协会
   ============================================================ */
.about-brief { background: #f7f9fc; }
.about-flex {
  display: flex;
  gap: 56px;
  align-items: center;
}
.about-img { flex: 0 0 320px; }
.about-img-box {
  background: linear-gradient(135deg, #0d2f6e 0%, #1a56a0 100%);
  border-radius: 12px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.about-bg-icon {
  font-size: 120px;
  color: rgba(255,255,255,0.12);
  position: absolute;
}
.about-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: #fff;
  color: #1a56a0;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.about-text { flex: 1; }
.section-label {
  font-size: 13px;
  font-weight: 600;
  color: #1a56a0;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: #0d2f6e;
  margin-bottom: 18px;
}
.about-text p {
  color: #555;
  margin-bottom: 14px;
  line-height: 1.8;
}
.about-highlights {
  margin: 18px 0 24px;
}
.about-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #444;
  margin-bottom: 8px;
  font-size: 14px;
}
.about-highlights li i { color: #1a56a0; }

/* ============================================================
   新闻动态
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.news-cat {
  font-size: 17px;
  font-weight: 700;
  color: #0d2f6e;
  padding-bottom: 12px;
  border-bottom: 2px solid #1a56a0;
  margin-bottom: 18px;
}
.news-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed #e0e6ee;
}
.news-list li:last-child { border-bottom: none; }
.news-date {
  flex: 0 0 56px;
  font-size: 12px;
  color: #999;
  white-space: nowrap;
}
.news-list a {
  color: #333;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s;
}
.news-list a:hover { color: #1a56a0; }
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: #1a56a0;
  font-size: 14px;
  font-weight: 500;
}
.more-link:hover { color: #0d2f6e; }

/* ============================================================
   会员等级
   ============================================================ */
.membership-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}
.member-card {
  border: 1px solid #e0e8f4;
  border-radius: 10px;
  padding: 28px 20px 24px;
  text-align: center;
  position: relative;
  background: #fff;
  transition: box-shadow 0.25s;
}
.member-card:hover { box-shadow: 0 6px 24px rgba(26,86,160,0.10); }
.member-card.featured {
  border-color: #1a56a0;
  box-shadow: 0 4px 20px rgba(26,86,160,0.15);
}
.featured-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #1a56a0;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 12px;
}
.member-badge {
  font-size: 16px;
  font-weight: 700;
  color: #0d2f6e;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eef1f7;
}
.member-card ul {
  text-align: left;
  margin-bottom: 22px;
}
.member-card ul li {
  font-size: 13.5px;
  padding: 7px 0;
  color: #444;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px dashed #f0f3f8;
}
.member-card ul li:last-child { border-bottom: none; }
.member-card ul li i.fa-check { color: #1a56a0; }
.member-card ul li.disabled { color: #bbb; }
.member-card ul li.disabled i { color: #ccc; }

/* ============================================================
   覆盖领域
   ============================================================ */
.sectors { background: #0d2f6e; }
.sectors .section-header.light h2 { color: #fff; }
.sectors .section-header.light h2::after { background: rgba(255,255,255,0.5); }
.sectors .section-header.light p { color: rgba(255,255,255,0.7); }
.sector-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.sector-tags span {
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}
.sector-tags span:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section { background: #f0f6ff; padding: 56px 0; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-text h2 { font-size: 26px; font-weight: 700; color: #0d2f6e; margin-bottom: 8px; }
.cta-text p { color: #666; font-size: 15px; }
.cta-btns { display: flex; gap: 16px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: #0a1e48; color: rgba(255,255,255,0.75); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding: 56px 24px 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo span {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.footer-about p { font-size: 13.5px; line-height: 1.8; }
.footer-social { margin-top: 16px; display: flex; gap: 12px; }
.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  transition: background 0.2s;
}
.footer-social a:hover { background: #1a56a0; color: #fff; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.footer-col ul li {
  margin-bottom: 9px;
}
.footer-col ul li a {
  color: rgba(255,255,255,0.70);
  font-size: 14px;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: #fff; }
.footer-contact ul li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 10px;
}
.footer-contact ul li i {
  color: #7ec8ff;
  margin-top: 3px;
  flex: 0 0 16px;
}
.footer-contact ul li a { color: rgba(255,255,255,0.75); }
.footer-contact ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   内页公共样式
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, #0d2f6e, #1a56a0);
  color: #fff;
  padding: 56px 0 48px;
  text-align: center;
}
.page-hero h1 { font-size: 34px; font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 16px; opacity: 0.85; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-top: 12px;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; }

.page-body { padding: 60px 0; }
.page-content { max-width: 820px; margin: 0 auto; }
.page-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: #0d2f6e;
  margin: 30px 0 12px;
  padding-left: 12px;
  border-left: 4px solid #1a56a0;
}
.page-content p { color: #555; line-height: 1.85; margin-bottom: 14px; }
.page-content ul li {
  color: #555;
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}
.page-content ul li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: #1a56a0;
  font-weight: 700;
}

/* ============================================================
   About 页面 Tab
   ============================================================ */
.about-tabs { }
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #e0e8f4;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.tab-link {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #666;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}
.tab-link:hover { color: #1a56a0; }
.tab-link.active { color: #1a56a0; border-bottom-color: #1a56a0; font-weight: 700; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.leader-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f7f9fc;
  border-radius: 10px;
  padding: 24px;
}
.leader-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #1a56a0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 56px;
}
.leader-avatar i { font-size: 24px; color: #fff; }
.leader-info h4 { font-size: 17px; font-weight: 700; color: #0d2f6e; margin-bottom: 2px; }
.leader-title { font-size: 13px; color: #888; background: #e8edf5; padding: 2px 10px; border-radius: 10px; display: inline-block; margin-bottom: 6px; }
.leader-info p { font-size: 14px; color: #555; }
.leader-info p i { margin-right: 5px; color: #1a56a0; }

/* ============================================================
   入会服务页 - 会员权益
   ============================================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 16px;
}
.benefit-item {
  background: #f7f9fc;
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid #e8edf5;
  transition: box-shadow 0.2s, transform 0.2s;
}
.benefit-item:hover { box-shadow: 0 4px 16px rgba(26,86,160,0.10); transform: translateY(-3px); }
.benefit-icon { font-size: 32px; color: #1a56a0; margin-bottom: 14px; display: block; }
.benefit-item h4 { font-size: 16px; font-weight: 700; color: #0d2f6e; margin-bottom: 8px; }
.benefit-item p { font-size: 13.5px; color: #666; line-height: 1.7; }

/* 对比表格 */
.compare-table-wrapper { overflow-x: auto; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table th, .compare-table td {
  text-align: center;
  padding: 12px 16px;
  border: 1px solid #e8edf5;
}
.compare-table th {
  background: #0d2f6e;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}
.compare-table th:first-child { text-align: left; }
.compare-table td:first-child { text-align: left; color: #444; font-weight: 500; }
.compare-table tr:nth-child(even) td { background: #f7f9fc; }
.compare-table .featured-col { background: #1a56a0; }
.compare-table tfoot td { padding: 16px; }
.t-yes { color: #1a56a0; font-size: 16px; }
.t-no { color: #ccc; font-size: 14px; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-simple {
  max-width: 700px;
  margin: 0 auto;
}
.contact-sblock {
  padding: 18px 0;
  border-bottom: 1px solid #e8edf5;
}
.contact-sblock:last-child { border-bottom: none; }
.contact-sblock h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1a56a0;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-sblock h3 i { font-size: 14px; width: 18px; }
.contact-sblock p {
  font-size: 15px;
  color: #333;
  padding-left: 26px;
  line-height: 1.6;
}
.contact-sblock p a { color: #1a56a0; }
.contact-sblock p a:hover { text-decoration: underline; }

/* 表单 */
.contact-form, .join-form {
  background: #f7f9fc;
  border-radius: 10px;
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 0; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: #444; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #d8e2ee;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  background: #fff;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: #1a56a0;
  box-shadow: 0 0 0 3px rgba(26,86,160,0.08);
}
.form-agree { display: flex; align-items: center; gap: 8px; }
.form-agree input { width: auto; }
.form-agree label { font-weight: 400; color: #555; cursor: pointer; }
.form-agree a { color: #1a56a0; }
.req { color: #e04040; }
.btn-block { width: 100%; display: block; text-align: center; }

/* ============================================================
   新闻页
   ============================================================ */
.news-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  border: 1px solid #d8e2ee;
  border-radius: 20px;
  background: #fff;
  color: #555;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: #1a56a0; color: #1a56a0; }
.filter-btn.active { background: #1a56a0; border-color: #1a56a0; color: #fff; }
.news-full-list { display: flex; flex-direction: column; gap: 0; }
.news-full-item {
  display: flex;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid #e8edf5;
  align-items: flex-start;
}
.nf-date {
  flex: 0 0 64px;
  text-align: center;
  background: #f0f6ff;
  border-radius: 8px;
  padding: 12px 8px;
}
.nf-month { display: block; font-size: 16px; font-weight: 700; color: #1a56a0; }
.nf-year { display: block; font-size: 12px; color: #999; }
.nf-body { flex: 1; }
.nf-tag {
  display: inline-block;
  background: #e8f0fc;
  color: #1a56a0;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-weight: 600;
}
.nf-tag.tag-industry { background: #e8f5e9; color: #2e7d32; }
.nf-tag.tag-policy { background: #fff3e0; color: #e65100; }
.nf-body h3 { font-size: 16px; font-weight: 700; color: #222; margin-bottom: 6px; }
.nf-body h3 a { color: inherit; transition: color 0.2s; }
.nf-body h3 a:hover { color: #1a56a0; }
.nf-body p { font-size: 13.5px; color: #666; line-height: 1.7; }

/* ============================================================
   申请入会页
   ============================================================ */
.join-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.step-item {
  text-align: center;
  width: 180px;
  padding: 24px 16px;
  position: relative;
}
.step-num {
  font-size: 11px;
  font-weight: 700;
  color: #1a56a0;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #1a56a0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.step-icon i { color: #fff; font-size: 22px; }
.step-item h4 { font-size: 15px; font-weight: 700; color: #0d2f6e; margin-bottom: 6px; }
.step-item p { font-size: 13px; color: #666; }
.step-arrow { color: #c5d5e8; font-size: 20px; padding: 0 8px; }

.join-form-wrap {
  max-width: 780px;
  margin: 0 auto;
}
.form-title {
  font-size: 20px;
  font-weight: 700;
  color: #0d2f6e;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #1a56a0;
}

/* ============================================================
   会员风采页
   ============================================================ */
.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.member-unit {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid #e0e8f4;
  border-radius: 10px;
  padding: 22px;
  transition: box-shadow 0.2s;
}
.member-unit:hover { box-shadow: 0 4px 16px rgba(26,86,160,0.10); }
.member-unit.vp-unit { border-color: #1a56a0; border-width: 2px; }
.unit-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: #f0f6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 50px;
}
.unit-icon i { font-size: 22px; color: #1a56a0; }
.unit-level {
  font-size: 12px;
  font-weight: 600;
  color: #1a56a0;
  background: #e8f0fc;
  padding: 2px 10px;
  border-radius: 10px;
  display: inline-block;
  margin-bottom: 6px;
}
.unit-info h4 { font-size: 15px; font-weight: 700; color: #0d2f6e; margin-bottom: 4px; }
.unit-info p { font-size: 13px; color: #777; }
.join-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #f0f6ff;
  border: 2px dashed #b8d0f0;
  border-radius: 10px;
  padding: 24px 28px;
}
.join-cta > i { font-size: 32px; color: #1a56a0; }
.join-cta h4 { font-size: 16px; font-weight: 700; color: #0d2f6e; margin-bottom: 4px; }
.join-cta p { font-size: 13.5px; color: #777; }
.join-cta .btn { margin-left: auto; flex: 0 0 auto; }

/* ============================================================
   协会活动页
   ============================================================ */
.activity-list { display: flex; flex-direction: column; gap: 24px; }
.activity-card {
  display: flex;
  gap: 24px;
  background: #fff;
  border: 1px solid #e0e8f4;
  border-radius: 10px;
  padding: 24px;
  transition: box-shadow 0.2s;
  align-items: flex-start;
}
.activity-card:hover { box-shadow: 0 4px 16px rgba(26,86,160,0.10); }
.act-date {
  flex: 0 0 72px;
  text-align: center;
  background: #0d2f6e;
  border-radius: 8px;
  padding: 14px 8px;
  color: #fff;
}
.act-day { display: block; font-size: 28px; font-weight: 800; line-height: 1; }
.act-mon { display: block; font-size: 12px; opacity: 0.7; margin-top: 4px; }
.act-tag {
  display: inline-block;
  background: #e8f0fc;
  color: #1a56a0;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-weight: 600;
}
.act-body h3 { font-size: 17px; font-weight: 700; color: #0d2f6e; margin-bottom: 8px; }
.act-body p { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 10px; }
.act-meta { display: flex; gap: 20px; font-size: 13px; color: #888; }
.act-meta i { margin-right: 4px; color: #1a56a0; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 960px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .membership-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-flex { flex-direction: column; gap: 32px; }
  .about-img { flex: none; width: 100%; max-width: 360px; margin: 0 auto; }
  .slide-content h1 { font-size: 28px; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .leadership-grid { grid-template-columns: 1fr 1fr; }
  .members-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; box-shadow: 0 6px 18px rgba(0,0,0,0.12); z-index: 998; }
  .main-nav.open ul { flex-direction: column; gap: 0; padding: 10px 0; }
  .main-nav.open > ul > li > a { height: auto; line-height: 1.5; padding: 12px 20px; }
  .service-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .membership-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .banner-stats .container { flex-wrap: wrap; gap: 16px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .slide-content h1 { font-size: 22px; }
  .slide-content p { font-size: 15px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .leadership-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .join-steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .activity-card { flex-direction: column; }
  .join-cta { flex-direction: column; text-align: center; }
  .join-cta .btn { margin-left: 0; }
  .download-area { padding: 30px 20px; }
  .download-tips { text-align: left; }
  .download-tips ul { text-align: left; padding-left: 20px; }
}

/* ============================================================
   下载入会申请表区域
   ============================================================ */
.download-area {
  text-align: center;
  padding: 50px 30px;
  background: #fafcff;
  border-radius: 10px;
  border: 1px solid #e0e8f5;
}
.download-area .download-icon {
  font-size: 64px;
  color: #2b5797;
  margin-bottom: 20px;
}
.download-area .download-icon i {
  filter: drop-shadow(0 4px 8px rgba(43,87,151,0.2));
}
.download-area .download-desc {
  font-size: 15px;
  color: #555;
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.8;
}
.download-area .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  padding: 14px 36px;
}
.download-area .btn i {
  font-size: 18px;
}
.download-tips {
  margin-top: 36px;
  text-align: center;
}
.download-tips h4 {
  font-size: 15px;
  color: #1a56a0;
  margin-bottom: 12px;
}
.download-tips h4 i {
  margin-right: 6px;
}
.download-tips ul {
  list-style: none;
  text-align: left;
  display: inline-block;
  max-width: 500px;
}
.download-tips ul li {
  font-size: 14px;
  color: #555;
  padding: 6px 0;
  border-bottom: 1px dashed #e8e8e8;
}
.download-tips ul li:last-child {
  border-bottom: none;
}
.download-tips ul li strong {
  color: #333;
}