.topnav {
  background: #9ec1e6; /* 类似截图的浅蓝 */
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.topnav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: #0b2540;
  text-decoration: none;
  font-size: 18px;
  line-height: 1;
  padding: 8px 2px;
}

.nav-link:hover {
  text-decoration: underline;
}

.nav-link.active {
  font-weight: 700;
}

.nav-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  background: #ffffff;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.15);
}

.nav-search input {
  border: 0;
  outline: 0;
  padding: 10px 12px;
  width: 220px;
  font-size: 16px;
}

.nav-search button {
  border: 0;
  background: transparent;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 16px;
}

body {
  background: #f2f6fb;
}
/* ===== Top Navigation ===== */
.topnav {
  background: #2f6fae;           /* 海洋蓝 */
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.topnav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 17px;
  font-weight: 700;
  position: relative;
  padding: 4px 0;
  opacity: 1;
  letter-spacing: 0.06em;
  transition: opacity 0.2s ease;
}

/* hover 时更亮 */
.nav-link:hover {
  opacity: 1;
}

/* 当前页面（Home） */
.nav-link.active {
  opacity: 1;
  font-weight: 700;
}

/* hover 下划线动画 */
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width 0.25s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ===== Card Hover Effect ===== */
.cdb-card {
  background: #ffffff;
  transition: 
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

/* 悬浮时 */
.cdb-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.12);
}

/* ===== Banner ===== */
.banner {
  width: 100%;
  max-height: 220px;      /* 控制高度，可调 */
  overflow: hidden;
  background: #ffffff;
}

.banner img {
  width: 100%;
  height: 220px;          /* 和上面一致 */
  object-fit: cover;      /* 不变形裁切 */
  display: block;
}
 /* ===== Home Search Center ===== */
.cdb-top {
  display: flex;
  justify-content: center;   /* 水平居中 */
  flex-direction: column; 
  margin: 5px 0 40px;       /* 上下留白 */
}
 /* 搜索框整体 */
.cdb-search {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 输入框 */
.cdb-search input {
  width: 920px;              /* 变宽 */
  padding: 14px 18px;        /* 变高 */
  font-size: 18px;           /* 字变大 */
  border-radius: 10px;
  border: 1px solid #cfd8e3;
  outline: none;
}

/* 点击时 */
.cdb-search input:focus {
  border-color: #2f6fae;
  box-shadow: 0 0 0 3px rgba(47,111,174,0.2);
}

/* 按钮 */
.cdb-search button {
  padding: 14px 22px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  background: #2f6fae;
  color: #ffffff;
  cursor: pointer;
}
/* ===== Home Project Intro ===== */
.cdb-intro {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.cdb-project-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 14px;
  color: #0b2540;
}

.cdb-project-desc {
  font-size: 15.5px;
  line-height: 1.7;
  color: #4a5d73;
  margin-bottom: 10px;
}
/* ===== Footer ===== */
.cdb-footer {
  background: #2f6fae;
  color: #dddddd;
  margin-top: 80px;
}

.cdb-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  justify-content: space-between;
  gap: 60px;
  flex-wrap: wrap;
}

.cdb-footer-block h4 {
  margin-bottom: 14px;
  font-size: 16px;
  color: #ffffff;
}

.cdb-footer-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cdb-footer-block li {
  margin-bottom: 8px;
}

.cdb-footer-block a {
  color: #ffffff;          /* 类似你图里的红色链接 */
  text-decoration: none;
  text-align: center; 
  font-size: 18px;
}

/* Footer email spacing */
/* ===== Footer Email (force center) ===== *//* ===== Footer email inline ===== */
.footer-email {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-email-inline {
  display: flex;
  align-items: center;
  justify-content: center;   /* 👈 整排居中 */
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;           /* 屏幕窄时自动换行 */
}

.email-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;           /* 稍微小一点，footer 更紧凑 */
}

.email-sep {
  opacity: 0.6;
  font-size: 14px;
}

.footer-email a {
  color: #ffffff;
  text-decoration: none;
}

.footer-email a:hover {
  text-decoration: underline;
}

/* ===== Center Partners title + logos ===== */
.cdb-footer-logos {
  display: flex;
  flex-direction: column;
  align-items: center;   /* 👈 关键：标题 + logo 全部居中 */
  text-align: center;
}

/* 关键：强制所有logo按高度显示，避免原图太大撑爆footer */
.footer-logos img{
  height:46px;      /* 想更大：56px；想更小：40px */
  width:auto;
  max-width:180px;  /* 防止过长logo */
  display:block;
  object-fit:contain;
  opacity:0.95;
}

.footer-logos a:hover img{
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}
/* ===== Footer titles: bigger & bolder ===== */
.cdb-footer h4 {
  font-size: 25px;        /* 标题更大 */
  font-weight: 800;       /* 更粗 */
  letter-spacing: 0.04em; /* 字距更稳重（可选） */
  margin-bottom: 14px;
  color: #ffffff;
}
/* =========================
   Footer (compact, 2 blocks)
   ========================= */

.cdb-footer{
  background:#2f6fae;      /* 跟导航一致 */
  color:#fff;
  margin-top:40px;         /* 变窄：减少外边距 */
}

.cdb-footer-inner{
  max-width:1100px;
  margin:0 auto;
  padding:14px 20px;       /* 变窄：减少内边距(高度关键) */
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;          /* 小屏自动换行 */
}

/* 只让标题和内容居中，不要影响 logo 内部排列 */
.cdb-footer-block{
  text-align:center;
}

/* 标题更大更粗 */
.cdb-footer h4{
  margin:0 0 6px;          /* 变窄：标题下间距缩小 */
  font-size:18px;
  font-weight:800;
  color:#fff;
  letter-spacing:0.04em;
}

/* Email 一排 */
.footer-email-inline{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.email-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;          /* 不要太大，否则 footer 会变高 */
  line-height:1.2;
}

.email-sep{
  opacity:0.7;
}

/* footer 里所有链接白色 */
.cdb-footer a{
  color:#fff;
  text-decoration:none;
}
.cdb-footer a:hover{
  text-decoration:underline;
}

/* Logos 必须横排（防止变成一列） */
.footer-logos{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}

.footer-logos img{
  height:34px;             /* 变窄：logo 稍小一点 */
  width:auto;
  object-fit:contain;
  display:block;
}
/* ===== Placeholder pages ===== */
.placeholder {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
  text-align: center;
}

.placeholder h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  color: #0b2540;
}

.placeholder p {
  font-size: 16px;
  line-height: 1.7;
  color: #4a5d73;
  margin-bottom: 10px;
}

.placeholder .hint {
  margin-top: 24px;
  font-size: 14px;
  color: #7a8da6;
}
/* ===== Publications ===== */
.pub-container{
  max-width: 980px;
  margin: 50px auto;
  padding: 0 20px;
}

.pub-title{
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
  color: #0b2540;
  text-align: center;
}

.pub-sub{
  text-align: center;
  color: #4a5d73;
  margin: 0 0 26px;
  line-height: 1.7;
}

.pub-list{
  padding-left: 22px;
}

.pub-item{
  margin-bottom: 16px;
}

.pub-cite{
  background: #ffffff;
  border: 1px solid #e6e6e6;
  border-radius: 12px;
  padding: 14px 16px;
  line-height: 1.7;
  color: #0b2540;
}

.pub-paper{
  font-weight: 700;
}

.pub-journal{
  font-style: italic;
  margin-left: 4px;
}

.pub-meta{
  opacity: 0.8;
  margin-left: 4px;
}

.pub-note{
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: #7a8da6;
}

.pub-note span{
  font-weight: 800;
}
/* ===== Taxonomy ===== */
.taxo-box{
  background:#ffffff;
  border:1px solid rgba(0,0,0,0.10);
  border-radius:12px;
  padding:18px;
  box-shadow: 0 10px 22px rgba(0,0,0,0.06);
}

.taxo-search{
  width: 100%;
  max-width: 520px;
  padding: 10px 12px;
  border: 1px solid #d7dfe9;
  border-radius: 8px;
  outline: none;
  margin-bottom: 12px;
}

.taxo-tree{
  padding: 10px 8px;
  background: #f3f3f3;
  border-radius: 10px;
  border: 1px solid #e0e0e0;
}

.taxo-tree details{
  margin: 8px 0;
}

.taxo-tree summary{
  cursor: pointer;
  font-weight: 700;
  color: #0b2540;
}

.taxo-tree ul{
  margin: 6px 0 10px 22px;
}

.taxo-tree li{
  line-height: 1.8;
}
 
/* ===== Single-cell ===== */
.sc-table-wrap{
  background:#fff;
  border:1px solid rgba(0,0,0,0.10);
  border-radius:12px;
  overflow:hidden;
}

.sc-table{
  width:100%;
  border-collapse:collapse;
}

.sc-table th, .sc-table td{
  padding:14px 14px;
  border-bottom:1px solid rgba(0,0,0,0.06);
  text-align:left;
}

.sc-table thead th{
  background:#f6f9ff;
  font-weight:800;
  color:#0b2540;
}

.sc-link{
  color:#2f6fae;
  text-decoration:none;
  font-weight:700;
}

.sc-link:hover{
  text-decoration:underline;
}

.sc-btn{
  display:inline-block;
  padding:8px 12px;
  border-radius:10px;
  background:#2f6fae;
  color:#fff;
  text-decoration:none;
  font-weight:700;
}

.sc-btn:hover{
  filter:brightness(0.95);
}

.sc-detail-top{
  display:grid;
  grid-template-columns: 1.3fr 1fr;
  gap:16px;
  margin-top:14px;
}

.sc-card{
  background:#fff;
  border:1px solid rgba(0,0,0,0.10);
  border-radius:12px;
  padding:16px;
}

.sc-h3{
  margin:0 0 10px;
}

.sc-atlas-img{
  width:100%;
  max-height:420px;
  object-fit:contain;
  border-radius:10px;
  border:1px solid rgba(0,0,0,0.08);
  background:#fafafa;
}

.sc-downloads{
  padding-left:18px;
  margin:0;
}

.sc-note{
  margin-top:10px;
  color:#4a5d73;
  font-size:14px;
}