@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box; }

body {
  font-family: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  overflow-x: hidden; }

/* === 全局颜色变量（可选）=== */
:root {
  --primary-color: #005a9c;
  --accent-color: #f9b200;
  --secondary-bg: #f8f9fa;
  --border-color: #f0f4f7;
  --primary-color-transparent:#a1c2d5;
  /* 60%透明度 */ }

/* === Header & Navigation === */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height: 100px;
  padding-top: 80px;
  min-height: 100px;
  width: 100%; }

.logo-right img {
  margin-right: -80px;
  height: 126px;
  width: auto;
  object-fit: contain; }

.logo-left img {
  margin-top: -15px;
  margin-left: -80px;
  height: 120px;
  width: auto;
  object-fit: contain; }

/* Mobile menu toggle button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001; }

.menu-toggle span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 6px 0;
  transition: 0.3s; }

nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 45px; }

nav a {
  text-decoration: none;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  /* 微软雅黑字体 */
  font-weight: bold;
  /* 加粗 */
  font-size: 22px;
  /* 可自定义大小 */
  color: var(--primary-color);
  transition: color 0.3s; }

@media (min-width: 769px) {
  header nav li {
    position: relative; }
  .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    list-style: none;
    padding: 8px 0;
    margin: 8px 0 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000; }
  .has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0); }
  .submenu a {
    display: block;
    padding: 8px 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif; }
  .submenu a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    /* hover时微亮 */
    color: var(--accent-color); } }

nav a:hover {
  color: var(--accent-color); }

/* --- Hero Section --- */
.hero-section {
  position: relative;
  padding-bottom: 150px; }

.hero-section::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  /* 固定为视口高度 */
  background: radial-gradient(circle at 50% 30%, #ffffff 0%, #a4c4d7 18%, #4680a8 50%);
  z-index: -1;
  /* 放在内容后面 */
  pointer-events: none;
  /* 不阻挡点击 */ }

/* 确保内容不会被背景层遮挡 */
.hero-section > .container {
  position: relative;
  z-index: 1; }

.hero-content {
  text-align: center;
  padding-top: 80px; }

.hero-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px; }

.hero-subtitle {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 400;
  color: var(--primary-color);
  margin-bottom: 30px; }

.hero-details {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--primary-color);
  margin-bottom: 50px; }

.institutions {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 90, 156, 0.1); }

.institutions li {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px; }

/* === Transparent Section Base === */
.section-transparent {
  padding: 60px 0;
  color: #005a9c; }

.section-title-transparent {
  text-align: center;
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 40px;
  font-weight: 700;
  color: #005a9c; }

/* === Events Grid (Transparent Background Cards) === */
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px; }

.event-card {
  display: block;
  text-decoration: none;
  /* 去掉下划线 */
  color: inherit;
  /* 继承父级颜色 */
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  padding: 24px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(0, 90, 156, 0.15);
  cursor: pointer;
  /* 显示手型光标 */ }

.event-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 90, 156, 0.15);
  background: rgba(255, 255, 255, 0.95); }

.event-name {
  font-size: 20px;
  color: #005a9c;
  font-weight: 800;
  line-height: 2.4;
  margin: 0; }

/* === miniCards === */
.mini-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 30px; }

.mini-card {
  display: flex;
  flex-direction: row;
  /* ✅ 改为水平排列：头像在左，信息在右 */
  align-items: center;
  text-decoration: none;
  color: inherit;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
  padding: 16px;
  /* ✅ 让内容更紧凑，去掉原竖排边距 */ }

.mini-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 90, 156, 0.15); }

.mini-card-image {
  flex: 0 0 auto;
  /* 不随内容伸缩，固定尺寸 */
  width: 140px;
  /* 桌面方形尺寸（可按需改为 150px/160px） */
  height: 140px;
  /* 与宽度相同，保证正方形 */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 5%;
  /* 方角（可改为 8px 或 0） */
  margin-right: 20px;
  background: #f6f8fa;
  /* 小背景以防图片加载慢时看起来整洁 */ }

/* 图片填满容器并裁切（不变形） */
.mini-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 保证裁切且居中填充 */
  display: block;
  border-radius: 0;
  /* 使容器的 border-radius 决定外观 */
  border: 0px solid var(--primary-color-transparent);
  box-shadow: 0 5px 15px rgba(0, 90, 156, 0.1); }

.mini-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  /* 左对齐 */
  text-align: left;
  padding: 0;
  /* 移除原有 padding，使用外层的 spacing */ }

.mini-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 8px; }

.mini-card-subtitle {
  font-size: 0.95rem;
  color: var(--accent-color);
  font-weight: 600;
  margin: 0 0 12px; }

.mini-card-summary {
  font-size: 1rem;
  line-height: 1.6;
  color: #555;
  margin: 0;
  flex: 1; }

.mini-card-position {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 4px 0 8px; }

/* === People Group Title & Intro === */
.people-group-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 40px 0 12px;
  text-align: left; }

.people-group-intro {
  font-size: 1rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  text-align: left; }

.people-list-section .mini-cards-grid {
  justify-content: left; }

/* === Page Hero Section === */
.page-hero {
  padding: 40px 20px;
  text-align: center;
  max-width: none; }

.page-hero-container {
  max-width: 3000px;
  /* 和 BigCards 容器一致 */
  margin: 0 auto;
  text-align: left;
  /* 文字靠左 */ }

.page-hero .hero-title {
  font-size: clamp(32px, 4vw, 48px);
  /* 和 miniCards 标题一致 */
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 30px; }

.page-hero-text {
  display: grid;
  grid-template-columns: 150px 1fr;
  /* 与 .participant 对齐 */
  gap: 30px;
  padding: 30px;
  background: white;
  border-radius: 10px;
  border: 1px solid #e0e0e0;
  line-height: 1.6;
  color: #333;
  text-align: left;
  box-shadow: 0 5px 20px rgba(0, 90, 156, 0.1); }

.page-hero .hero-text {
  margin: 0 auto;
  padding: 30px;
  background-color: white;
  /* 底板颜色 */
  color: #333;
  /* 正文字颜色 */
  border-radius: 10px;
  line-height: 1.8;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  text-align: left;
  width: 100%;
  max-width: none; }

/* === Content Sections (通用) === */
.section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
  background-color: rgba(255, 255, 255, 0); }

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 40px;
  text-align: center;
  position: relative;
  padding-bottom: 20px; }

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent-color); }

.section-intro {
  max-width: 900px;
  margin: 0 auto 30px;
  /* 上下间距 */
  text-align: left;
  font-size: 1.1rem;
  color: #555;
  line-height: 1.6; }

.section-intro p,
.section-intro li {
  margin-bottom: 1.5em; }

.section-intro p:last-child {
  margin-bottom: 0; }

.section-container {
  background: white;
  /* 整块白色背景 */
  padding: 30px;
  /* 内边距让内容和边框有空隙 */
  border-radius: 10px;
  /* 圆角，可选 */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); }

/* === Organizers Grid (通用) === */
.organizers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px; }

.organizer-card {
  background: white;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #e0e0e0; }

.organizer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 90, 156, 0.1); }

.organizer-name {
  font-size: 18px;
  color: var(--primary-color);
  font-weight: 400; }

/* === Key Speakers (通用) === */
.participants-grid {
  display: grid;
  gap: 40px; }

.participant {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 30px;
  padding: 30px;
  background: white;
  border-radius: 10px;
  transition: all 0.3s;
  border: 1px solid #e0e0e0; }

.participant:hover {
  box-shadow: 0 5px 20px rgba(0, 90, 156, 0.1); }

.participant-photo {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  border: 0px solid #a4c4d7; }

.participant-info h3 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 5px;
  text-align: left; }

.participant-info h4 {
  font-size: 16px;
  color: #666;
  font-weight: 400;
  margin-bottom: 20px;
  text-align: left; }

.participant-info p {
  line-height: 1.6;
  margin-bottom: 15px;
  text-align: left; }

.participant-photo-square {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 10px;
  border: 0px solid #a4c4d7; }

.abstract-title {
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 20px; }

/* === main Cards === */
.maincards-images {
  display: flex;
  flex-direction: column;
  /* 竖向排列 */
  gap: 20px;
  /* 图片之间间距 */
  margin-top: 20px; }

.maincards-image {
  width: 100%;
  /* 图片自适应容器宽度 */
  height: auto;
  /* 高度自动，保持比例 */
  border-radius: 10px;
  /* 可选圆角 */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  /* 可选阴影 */ }

/* === Responsive Design === */
/* Responsive */
@media (max-width: 768px) {
  .logo-left img,
  .logo-right img {
    height: 40px; }
  .menu-toggle {
    display: block;
    position: absolute;
    right: 20px;
    top: 20px; }
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease; }
  nav.active {
    right: 0; }
  nav ul {
    flex-direction: column;
    padding-top: 80px; }
  nav a {
    display: block;
    padding: 15px 30px;
    font-size: 18px;
    border-bottom: 1px solid var(--border-color); }
  .hero-section {
    padding: 60px 20px; }
  .section {
    padding: 60px 20px; }
  .participant {
    grid-template-columns: 1fr;
    text-align: center; }
  .participant-photo {
    margin: 0 auto; }
  .submenu {
    display: none !important;
    /* 移动端不显示子菜单 */ } }

@media (max-width: 480px) {
  .hero-title {
    font-size: 36px; }
  .hero-subtitle {
    font-size: 24px; }
  .section-title {
    font-size: 28px; }
  .participant-info h3 {
    font-size: 22px; } }

/* === 统一去掉卡片链接下划线，并保留 hover 效果 === */
.organizers-grid a,
.participants-grid a,
.myblock-card,
.mycard-card {
  text-decoration: none !important;
  color: inherit;
  transition: transform 0.3s, box-shadow 0.3s;
  /* 保留 hover 动画 */ }

.organizers-grid a:hover,
.myblock-card:hover,
.mycard-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 90, 156, 0.1);
  color: inherit;
  /* 保持文字颜色不变 */ }

/* === 自定义Block === */
.myblock-container {
  margin: 2rem auto;
  max-width: 1200px;
  padding: 1rem; }

.myblock-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem; }

.myblock-text {
  text-align: left;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem; }
  .myblock-text ul {
    padding-left: 1.5rem;
    margin: 1rem 0; }
  .myblock-text li {
    margin-bottom: 0.5rem; }
  .myblock-text blockquote {
    margin: 1.5rem 0;
    padding: 0.8rem 1.2rem;
    border-left: 3px solid #4a6cf7;
    background-color: #f8f9ff;
    color: #495057;
    font-style: italic; }
  .myblock-text strong {
    font-weight: 600; }

.myblock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem; }

.myblock-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 1.8rem 1.2rem;
  background: #f8f9fa;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  min-height: 280px;
  text-decoration: none;
  /* 去掉下划线 */
  color: inherit;
  /* 继承父级文字颜色 */
  transition: transform 0.2s ease, box-shadow 0.2s ease; }

.myblock-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  color: inherit;
  /* 防止 hover 时文字变链接色 */ }

.myblock-icon {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem; }

.myblock-icon img {
  width: auto;
  max-width: 120px;
  max-height: 120px;
  height: auto; }

.myblock-card h3 {
  font-size: 1.3rem;
  margin: 0.6rem 0 0.8rem;
  font-weight: 600; }

.myblock-card p {
  font-size: 1rem;
  color: #555;
  line-height: 1.6;
  margin: 0; }

/* mycard，效果是一个卡片，左侧图片，右侧是标题和摘要 */
.mycard-container {
  margin: 2rem auto;
  max-width: 1200px;
  padding: 0 1rem; }

.mycard-card {
  display: flex;
  align-items: flex-start;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 1.5rem; }
  .mycard-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12); }

.mycard-image {
  flex: 0 0 200px;
  /* 固定图片宽度 */
  height: 160px;
  overflow: hidden; }
  .mycard-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block; }

.mycard-content {
  flex: 1;
  padding: 1.5rem; }

.mycard-title {
  font-size: 1.4rem;
  margin: 0 0 0.8rem;
  font-weight: 600; }

.mycard-summary {
  font-size: 1rem;
  line-height: 1.6;
  color: #555;
  margin: 0; }

/* 响应式：小屏幕时图片在上 */
@media (max-width: 768px) {
  .mycard-card {
    flex-direction: column; }
  .mycard-image {
    flex: none;
    width: 100%;
    height: 180px; }
  .mycard-content {
    padding: 1.2rem; } }

/* === People (Individual Profile Page) === */
.person-profile {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-left: 60px; }

.person-name,
.person-header,
.person-bio {
  margin-left: 60px !important; }

.person-name {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  color: var(--primary-color);
  text-align: left;
  margin-bottom: 20px;
  position: relative; }

.person-name::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0px;
  width: 60px;
  height: 3px;
  background-color: var(--accent-color); }

.person-header {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap; }

.person-photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 5%;
  border: 4px solid var(--primary-color-transparent);
  box-shadow: 0 5px 15px rgba(0, 90, 156, 0.1); }

.person-info {
  flex: 1;
  min-width: 250px;
  font-size: 1rem;
  line-height: 1.8;
  color: #444;
  text-align: left; }

.person-info p {
  margin-bottom: 8px; }

.person-info strong {
  color: var(--primary-color); }

.person-bio {
  padding: 0;
  margin-left: 20px;
  /* ✅ 与标题、头像保持统一缩进 */
  line-height: 1.8;
  color: #333;
  font-size: 1.05rem;
  text-align: left; }

.person-bio p + p {
  margin-top: 1em; }

@media (max-width: 768px) {
  .person-header {
    flex-direction: column;
    align-items: center;
    text-align: center; }
  .person-photo {
    width: 160px;
    height: 160px; }
  .person-info {
    text-align: center; }
  .person-name::after {
    left: 50%;
    transform: translateX(-50%); } }

@media (max-width: 768px) {
  .person-profile,
  .person-name,
  .person-header,
  .person-bio {
    margin-left: 0 !important; }
  .person-name::after {
    left: 50% !important;
    transform: translateX(-50%); } }