/* ============================================
   来去公墓官方网站 - 全局样式表
   配色：蓝白为主，简洁直观
   ============================================ */

/* --- CSS 变量 --- */
:root {
  --blue-dark: #1B3A5C;
  --blue-mid: #2C6FAC;
  --blue-light: #5B9BD5;
  --blue-pale: #E8F0F8;
  --white: #FFFFFF;
  --gray-bg: #F5F6F8;
  --gray-light: #E0E0E0;
  --text-dark: #2C2C2C;
  --text-mid: #555555;
  --text-light: #888888;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
  --radius: 8px;
  --max-width: 1200px;
}

/* --- 基础重置 --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Heiti SC", sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.8;
  font-size: 16px;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- 顶部导航栏 --- */
.header {
  background: var(--blue-dark);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 2px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-dark);
  font-size: 20px;
  font-weight: bold;
}

.nav-list {
  display: flex;
  gap: 4px;
}

.nav-list a {
  display: block;
  padding: 8px 18px;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  border-radius: 4px;
  transition: all 0.3s;
}

.nav-list a:hover,
.nav-list a.active {
  color: #fff;
  background: rgba(255,255,255,0.15);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.3s;
}

/* --- 页面顶部横幅 --- */
.page-banner {
  margin-top: 64px;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  color: var(--white);
  text-align: center;
  padding: 60px 20px;
}

.page-banner h1 {
  font-size: 36px;
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 16px;
  opacity: 0.85;
}

/* --- 面包屑 --- */
.breadcrumb {
  background: var(--gray-bg);
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--blue-mid);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 8px;
}

/* --- 通用版块标题 --- */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 30px;
  color: var(--blue-dark);
  letter-spacing: 3px;
  margin-bottom: 10px;
}

.section-title .divider {
  width: 60px;
  height: 3px;
  background: var(--blue-mid);
  margin: 0 auto 14px;
}

.section-title p {
  color: var(--text-light);
  font-size: 15px;
}

/* --- 页脚 --- */
.footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.8);
  padding: 40px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 28px;
}

.footer h4 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer p,
.footer a {
  font-size: 14px;
  line-height: 2;
  color: rgba(255,255,255,0.7);
}

.footer a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* --- 按钮 --- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 4px;
  font-size: 15px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background: var(--blue-mid);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-outline {
  background: transparent;
  color: var(--blue-mid);
  border: 1px solid var(--blue-mid);
}

.btn-outline:hover {
  background: var(--blue-mid);
  color: var(--white);
}

/* --- 卡片 --- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.3s;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* ============================================
   首页专属样式
   ============================================ */

/* 首页 Hero */
.hero {
  margin-top: 64px;
  height: 500px;
  background: linear-gradient(135deg, #0F2640 0%, #1B3A5C 30%, #2C6FAC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.03) 0%, transparent 50%);
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 48px;
  letter-spacing: 8px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  opacity: 0.85;
  margin-bottom: 32px;
  letter-spacing: 4px;
}

.hero .btn {
  margin: 0 8px;
}

/* 首页简介区 */
.home-intro {
  padding: 80px 0;
  text-align: center;
}

.home-intro .intro-text {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-mid);
  font-size: 16px;
  line-height: 2;
}

/* 首页导航卡片 */
.home-cards {
  padding: 0 0 80px;
  background: var(--gray-bg);
}

.home-cards .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-top: 80px;
}

.home-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.home-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.home-card .card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.home-card h3 {
  color: var(--blue-dark);
  font-size: 20px;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.home-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
}

/* 首页底部 CTA */
.home-cta {
  padding: 60px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: var(--white);
}

.home-cta h2 {
  font-size: 28px;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.home-cta p {
  opacity: 0.85;
  margin-bottom: 24px;
}

/* ============================================
   公司简介页
   ============================================ */
.about-section {
  padding: 70px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image {
  background: var(--blue-pale);
  border-radius: var(--radius);
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  font-size: 15px;
  letter-spacing: 1px;
}

.about-text h3 {
  font-size: 24px;
  color: var(--blue-dark);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.about-text p {
  color: var(--text-mid);
  margin-bottom: 14px;
  text-indent: 2em;
}

/* 理念区 */
.values-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
}

.value-item .value-num {
  font-size: 36px;
  font-weight: bold;
  color: var(--blue-mid);
  margin-bottom: 10px;
}

.value-item h4 {
  color: var(--blue-dark);
  font-size: 18px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.value-item p {
  color: var(--text-light);
  font-size: 14px;
}

/* ============================================
   公司大事页 — 时间线
   ============================================ */
.timeline-section {
  padding: 70px 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 50%;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-light);
  transform: translateX(-1px);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  width: 100%;
}

.timeline-item:nth-child(odd) {
  padding-right: calc(50% + 36px);
  padding-left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  padding-left: calc(50% + 36px);
  padding-right: 0;
  text-align: left;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: var(--blue-mid);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.timeline-year {
  font-size: 20px;
  font-weight: bold;
  color: var(--blue-mid);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.timeline-content {
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.timeline-content h4 {
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  color: var(--text-mid);
  font-size: 14px;
}

/* ============================================
   业务介绍页
   ============================================ */
.service-section {
  padding: 70px 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  text-align: center;
  padding: 40px 24px;
}

.service-card .service-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.service-card h3 {
  font-size: 20px;
  color: var(--blue-dark);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.service-card p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.8;
}

/* 流程区 */
.process-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.process-steps {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.process-step {
  text-align: center;
  flex: 1;
  min-width: 180px;
}

.process-step .step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: var(--blue-mid);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: bold;
}

.process-step h4 {
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.process-step p {
  color: var(--text-light);
  font-size: 14px;
}

.process-arrow {
  display: flex;
  align-items: center;
  color: var(--blue-light);
  font-size: 24px;
  font-weight: bold;
  padding-bottom: 40px;
}

/* ============================================
   成员组成页
   ============================================ */
.team-section {
  padding: 70px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-card {
  text-align: center;
  padding: 24px;
}

.team-card .avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 16px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--blue-mid);
}

.team-card h4 {
  color: var(--blue-dark);
  font-size: 17px;
  margin-bottom: 4px;
}

.team-card .role {
  color: var(--blue-mid);
  font-size: 14px;
  margin-bottom: 10px;
}

.team-card p {
  color: var(--text-light);
  font-size: 13px;
}

/* 组织架构 */
.org-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.org-chart {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.org-top {
  display: inline-block;
  background: var(--blue-dark);
  color: var(--white);
  padding: 14px 36px;
  border-radius: var(--radius);
  font-size: 17px;
  letter-spacing: 1px;
  margin-bottom: 30px;
}

.org-branches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.org-branch {
  background: var(--white);
  padding: 18px 12px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.org-branch h4 {
  color: var(--blue-dark);
  font-size: 15px;
  margin-bottom: 8px;
}

.org-branch p {
  color: var(--text-light);
  font-size: 12px;
}

.org-lines {
  position: relative;
  height: 30px;
}

.org-lines::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 30px;
  background: var(--gray-light);
}

.org-lines::after {
  content: '';
  position: absolute;
  top: 0;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: var(--gray-light);
}

/* ============================================
   联系方式页
   ============================================ */
.contact-section {
  padding: 70px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 24px;
  color: var(--blue-dark);
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-item .contact-icon {
  width: 46px;
  height: 46px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h4 {
  color: var(--blue-dark);
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--text-mid);
  font-size: 14px;
}

/* 地图占位 */
.contact-map {
  background: var(--blue-pale);
  border-radius: var(--radius);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  font-size: 15px;
  letter-spacing: 1px;
}

/* 在线留言表单 */
.form-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.contact-form {
  max-width: 650px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-dark);
  font-size: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-light);
  border-radius: 4px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-mid);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

/* ============================================
   国际合作页
   ============================================ */
.international-section {
  padding: 70px 0;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.partner-card {
  text-align: center;
  padding: 32px 20px;
}

.partner-card .partner-flag {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.partner-card h3 {
  color: var(--blue-dark);
  font-size: 18px;
  margin-bottom: 4px;
}

.partner-card .country {
  color: var(--blue-mid);
  font-size: 14px;
  margin-bottom: 10px;
}

.partner-card p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.7;
}

/* 合作交流区 */
.exchange-section {
  padding: 70px 0;
  background: var(--gray-bg);
}

.exchange-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.exchange-item {
  display: flex;
  gap: 20px;
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.exchange-item .exchange-thumb {
  width: 120px;
  height: 80px;
  background: var(--blue-pale);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--blue-mid);
  flex-shrink: 0;
}

.exchange-item h4 {
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.exchange-item p {
  color: var(--text-mid);
  font-size: 14px;
}

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 1024px) {
  .home-cards .container,
  .service-grid,
  .team-grid,
  .org-branches {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--blue-dark);
    flex-direction: column;
    gap: 0;
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list a {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .hero h1 {
    font-size: 32px;
    letter-spacing: 4px;
  }

  .hero {
    height: 380px;
  }

  .home-cards .container,
  .about-grid,
  .service-grid,
  .values-grid,
  .team-grid,
  .contact-grid,
  .partner-grid,
  .exchange-grid,
  .org-branches {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item::before {
    left: 0;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    padding: 0 0 0 36px;
    text-align: left;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-arrow {
    display: none;
  }
}