/* Base reset */
/* Font Declaration */
@font-face {
  font-family: 'SourceHanSansCN';
  src: url('../font/SourceHanSansCN-Normal.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: #0f172a;
  background: #ffffff;
  line-height: 1.5;
}

:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --muted1: #f0f0f0;
  --soft: #e2e8f0;
  --primary: #0ea5e9;
  --primary-600: #0284c7;
  --accent: #22c55e;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(2, 8, 23, 0.06);
  --shadow-md: 0 8px 24px rgba(2, 8, 23, 0.10);
}

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

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

/* Layout */
.container {
  width: min(1440px, 92%);
  margin: 0 auto;
}

/* Header / Nav */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(8px);
  background: color-mix(in oklab, var(--bg), transparent 20%);
  /* border-bottom: 1px solid var(--soft); */
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.4px;
  color: #fff;
  font-size: 30px;
}

.brand .dot {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted1);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.nav-links a:hover {
  color: var(--text);
  background: #f1f5f9;
  transform: translateY(-1px);
}

.nav-links a.active {
  color: var(--primary-600);
  background: #e0f2fe;
}

/* Publications hero header */
.pub-hero {
  position: relative;
  isolation: isolate;
  background: #0b1220;
}

.pub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../imgs/Publications/Publications_01.png') center/cover no-repeat;
  z-index: -1;
}

.pub-hero .pub-title {
  color: #fff;
  font-weight: 600;
  font-size: clamp(26px, 3vw, 40px);
  text-shadow: 0 2px 24px rgba(14, 165, 233, .6);
}

.pub-hero .hero-mask {
  padding: 80px 0 180px;
}

/* About subnav */

.about::before {
  background: url('../imgs/about/about_01.jpg') center/cover no-repeat;
}

.about-subnav {
  margin-top: 10px;
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: #0b12204d;
  border: 1px solid #60a5fa55;
}

.about-subnav .tab {
  color: #e2f1ff;
  padding: 8px 14px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.about-subnav .tab:hover {
  transform: translateY(-1px);
  border-color: #60a5fa66;
  background: #60a5fa22;
}

.about-subnav .tab.active {
  background: #0ea5e9;
  border-color: #0ea5e9;
  color: #fff;
}

/* Home hero */
.home-hero {
  position: relative;
  isolation: isolate;
  background: #0b1220;
  height: 100vh;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../imgs/home/切块-0725_01.jpg') center/cover no-repeat;
  z-index: -1;
  background-size: 100% 100%;
}

.home-hero .hero-mask {
  padding: 0px 0 60px;
  position: absolute;
  top: 60%;
  width: 100%;
}
/* 背景图中的大字 */
.home-hero .hero-title {
  padding-left: 60px;
  box-sizing: border-box;
  position: relative;
  top: 0%;
  bottom: 550px;
  width: 100%;
  color: white;
  font-family: 'SourceHanSansCN', sans-serif;
}

.home-hero .hero-title .bigtitle {
  width: 580px;
  font-size: 2.7rem;
  font-weight: 700;
  line-height: 47px;
  position: relative;
  left: 7%;
  /* background-color: #0284c7; */
  font-family: 'SourceHanSansCN', sans-serif;
}

.home-hero .hero-title .smalltitle {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 7px;
  position: relative;
  left: 7%;
  font-family: 'SourceHanSansCN', sans-serif;
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.nav-center.left {
  left: 0;
  transform: none;
}

.grad-btn {
  width: 192px;
  height: 56px;
  line-height: 45px;
  text-align: center;
  background: url("../imgs/home/0725_10.png");
  background-size: 100% 100%;
  cursor: pointer;
}

.grad-btn2 {
  background-image: url("../imgs/home/0725_12.png");
}

.grad-btn.alt {
  background: linear-gradient(90deg, #34d399, #0ea5e9);
}

.grad-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero-inner {
  position: relative;
  padding: 64px 0;
}

.hero-copy h1 {
  color: #e2f1ff;
  margin: 0 0 10px;
  font-size: clamp(24px, 3.3vw, 40px);
  line-height: 1.15;
  text-shadow: 0 2px 24px #0ea5e9aa;
}

.hero-copy p {
  color: #cde7ff;
  margin: 0 0 16px;
}

.hero-actions {
  display: flex;
  gap: 10px;
}

@keyframes bgShift {
  0% {
    transform: translateY(-6%);
  }

  100% {
    transform: translateY(4%);
  }
}

@keyframes twinkle {

  0%,
  100% {
    opacity: .8
  }

  50% {
    opacity: .4
  }
}

/* Grid gallery */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.grid.masonry {
  grid-auto-rows: 8px;
}

.col-span-12 {
  grid-column: span 12;
}

.col-span-6 {
  grid-column: span 6;
}

.col-span-4 {
  grid-column: span 4;
}

.col-span-3 {
  grid-column: span 3;
}

.card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s ease;
}

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

.card img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2, 8, 23, 0) 40%, rgba(2, 8, 23, .55));
  opacity: 0;
  transition: opacity .35s ease;
}

.card:hover .overlay {
  opacity: 1;
}

.card .caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  color: #fff;
  font-weight: 600;
  letter-spacing: .2px;
  transform: translateY(6px);
  opacity: 0;
  transition: transform .35s ease, opacity .35s ease;
}

.card:hover .caption {
  transform: translateY(0);
  opacity: 1;
}

/* Sections */
.section {
  padding: 80px 0;
  position: relative;
}

.section-bkg {
  width: 615px;
  height: 696px;
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  margin: 0 auto;
  background-image: url("../imgs/home/0725_17.png");
}

.section-head {
  text-align: center;
  margin-bottom: 20px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 34px);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
}

.about-section .about-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  padding: 40px;
  box-sizing: border-box;
}

.about-section .about-points {
  display: grid;
  align-content: center;
}

.about-section ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.about-points-top {
  display: flex;
  justify-content: space-evenly;
}

.about-points-top-item {
  font-size: 28px;
}

.about-points-top-v {
  font-size: 40px;
  font-weight: 600;
}

.about-points-bot {
  max-height: 400px;
  padding: 24px;
  background-color: #f9f8fa;
  border-radius: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.two-col .col {
  grid-column: span 6;
  padding: 42px;
}

.two-col .media-left {
  order: -1;
}

.two-col .col .small {
  font-size: 14px;
}

.two-col .col h2 {
  font-size: clamp(22px, 3vw, 34px)
}

.network-section .media-left {
  grid-column: span 8;
}

.network-section .media-right {
  grid-column: span 4;
}

.colcard {
  position: relative;
}

.allCountry {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.allCountry .col-btn {
  width: 171px;
  height: 59px;
  background-image: url("../imgs/home/0725_21.png");
  margin-top: 40px;
}

.two-col .media-right {
  font-size: 22px;
}

.media-right .pub-pager {
  gap: 16px;
  justify-content: start;
}

.colcard {
  width: 100%;
  height: 100%;
  position: relative;
}

.colcard div {
  position: absolute;
}

.colcard img {
  position: absolute;
}
/* 英国 */
.countryPoint1 {
  left: 6%;
  top: 28%;
}

.countryIcon1 {
  width: 2.5rem;
  height: 1.5rem;
  left: 4%;
  top: 25%;
}
/* 法国 */
.countryPoint2 {
  left: 8%;
  top: 31%;
}

.countryIcon2 {
  width: 2.5rem;
  height: 1.5rem;
  left: 10%;
  top: 31%;
}

.countryPoint3 {
  left: 6%;
  top: 35%;
}

.countryIcon3 {
  width: 2.5rem;
  height: 1.5rem;
  left: 4%;
  top: 40%;
}

.countryPoint4 {
  left: 34%;
  top: 68%;
}

.countryIcon4 {
  width: 2.5rem;
  height: 1.5rem;
  left: 36%;
  top: 68%;
}

.countryPoint5 {
  left: 76%;
  top: 37%;
}

.countryIcon5 {
  width: 2.5rem;
  height: 1.5rem;
  left: 75%;
  top: 43%;
}



.countryIcon6{
  width: 2.5rem;
  height: 1.5rem;
  left: 38%;
  top: 46%;
  font-size: 34px;
  color: #0ea5e9;
}
.ripple-container {
  position: relative;
  width: 50px;
  height: 50px;
  left: 33%;
  top: 42%;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ripple 2s infinite ease-out;
}

.ripple-effect:nth-child(2) {
  animation-delay: 0.5s;
}

.ripple-effect:nth-child(3) {
  animation-delay: 1s;
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }

  100% {
    transform: translate(-50%, -50%) scale(20);
    opacity: 0;
  }
}

.network-section .wide img {
  width: 100%;
  height: auto;
}

.platform-section p {
  padding: 0;
  margin: 0;
}

.platform-grid {
  margin-top: 10px;
}

/* Platform Flow custom */
.platform-bkg {
  width: 575px;
  height: 730px;
  background-image: url("../imgs/home/切块国旗-0725_51.png");
  left: 0;
  top: 0;
  right: 0;
  margin: auto;
  position: absolute;
}

.platForm_arrows {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.platForm_arrows img {
  width: 50px;
  position: absolute;
}

.platForm_arrow_1 {
  top: 42%;
  left: 32%;
  transform: rotate(90deg);
}

.platForm_arrow_2 {
  top: 42%;
  left: 65%;
  transform: rotate(90deg);
}

.platForm_arrow_3 {
  top: 26%;
  left: 65%;
  transform: rotate(45deg);
}

.platForm_arrow_4 {
  top: 58%;
  left: 14%;
  transform: rotate(180deg);
}

.platForm_arrow_5 {
  top: 72%;
  left: 32%;
  transform: rotate(90deg);
}

.platForm_arrow_6 {
  top: 72%;
  left: 65%;
  transform: rotate(90deg);
}

.platform-header {
  display: flex;
  padding: 0 50px;
}

.platform-Title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 600;
  line-height: 60px;
}

.platform-Title-line {
  display: flex;
  align-items: center;
  margin-top: 4px;
}

.platform-section .platform-Title-lr {
  height: 30px;
  line-height: 30px;
  font-size: 18px;
  border-radius: 6px;
  background-color: #0ea5e9;
  padding: 0px 10px;
  color: #fff;
  margin-left: 20px;
}

.platform-header img {
  width: 140px;
  margin-left: 34px;
}

.platform-header-right {
  width: 540px;
  height: 100px;
  position: absolute;
  top: 88px;
  right: -100px;
  background-color: #F2F2F2;
  border-radius: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  padding: 24px 32px
}

.platform-line {
  display: flex;
  justify-content: space-around;
  margin-top: 20px;
}

.platform-line2-item {
  width: 400px;
  height: 170px;
  background-color: #F2F2F2;
  border-radius: 16px;
  margin: 24px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 28px;
  padding: 24px 32px
}
.platform-line2-item h5{
  max-width: 29.6rem;
  text-align: center;
  position: absolute;
  top: 236px;
}
.platform-line2-item-img {
  padding: 0;
}

.platform-flow {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  align-items: start;
}

.platform-flow .node {
  grid-column: span 3;
  position: relative;
}

.platform-flow .node img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--soft);
}

.platform-flow .start {
  grid-column: span 3;
}

.platform-flow .start .arrow {
  position: absolute;
  right: -10px;
  top: -10px;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-bottom: 14px solid #0ea5e9;
  filter: drop-shadow(0 2px 6px rgba(14, 165, 233, .4));
  animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 20px;
}

.news-list li {
  grid-template-columns: 56px 80px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: transform .3s ease, box-shadow .3s ease;
}

.news-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  background-color: #D0E7FF;
}

.news-list .date {
  /* font-weight: 800; */
  font-size: 28px;
  /* color: var(--primary-600); */
}

.news-list .meta {
  /* color: var(--muted); */
  color: #0f172a;
}

.news-list-item {
  display: flex;
  justify-content: space-between;
}

.news-section h2 {
  font-size: clamp(22px, 3vw, 34px);
}

.news-section .news-section-left {
  grid-column: span 8;
}

.news-section .news-section-right {
  grid-column: span 4;
}

.logo-section .center {
  display: grid;
  place-items: center;
}

/* About News tabs */
.about-news .about-tabs {
  list-style: none;
  padding: 0;
  margin: 10px 0 12px;
  display: grid;
  gap: 8px;
}

.about-news .about-tabs li {
  position: relative;
  border: 1px solid var(--soft);
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.about-news .about-tabs a {
  display: block;
  padding: 10px 12px;
  color: #0f172a;
}

.about-news .about-tabs li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: #0ea5e9;
  transition: width .3s ease;
}

.about-news .about-tabs li:hover::after,
.about-news .about-tabs li.active::after {
  width: 100%;
}

/* Publication grid */
.pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.pub-item {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--soft);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.pub-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.pub-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.pub-meta {
  padding: 12px;
}

.pub-title {
  font-weight: 700;
  margin: 0 0 6px;
  font-size: 16px;
}

.pub-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Publications two-column layout */
.pub-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  width: min(1440px, 92%);
  margin: 0 auto;
  padding: 24px 0 40px;
  position: relative;
}

.pub-side {
  position: sticky;
  top: 70px;
  height: fit-content;
  display: grid;
  gap: 12px;
}

.side-group {
  border: 1px solid var(--soft);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.side-group:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.side-group.open .chev {
  transform: rotate(0deg);
}

.side-head {
  width: 100%;
  text-align: left;
  background: #fff;
  border: 0;
  padding: 12px 14px;
  font-weight: 700;
  display: grid;
  grid-template-columns: 18px 1fr auto auto;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.side-head .dot {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: center/cover no-repeat;
  background-image: url('../imgs/Publications/Publications_04.png');
  display: inline-block;
  filter: grayscale(1) contrast(1.1) brightness(.9);
}

.side-head .dot1 {
  background-image: url('../imgs/Publications/Publications_07.png');
}

.side-head .dot2 {
  background-image: url('../imgs/Publications/Publications_09.png');
}

.side-head .dot3 {
  background-image: url('../imgs/Publications/Publications_11.png');
}

.side-head .dot4 {
  background-image: url('../imgs/Publications/Publications_13.png');
}

.side-head .count {
  color: var(--muted);
  font-weight: 500;
}

.side-head .chev {
  transition: transform .25s ease;
  opacity: .7;
}

.side-list {
  list-style: none;
  margin: 0;
  padding: 8px 14px 14px;
  display: grid;
  gap: 8px;
}

.side-list a {
  color: var(--muted);
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background .2s ease, color .2s ease;
}

.side-list a:hover {
  color: var(--primary-600);
  background: #f1f5f9;
}

.side-list a.active {
  color: #0ea5e9;
  background: #e0f2fe;
  font-weight: 700;
}

.pub-main {
  display: grid;
  gap: 16px;
}

.pub-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.pub-search input {
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--soft);
  background: #fff;
}

.icon-btn {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--soft);
  background: #fff;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.icon-btn.primary {
  background: #0ea5e9;
  color: #fff;
  border-color: #0ea5e9;
}

.pub-list {
  display: grid;
  gap: 14px;
}

.pub-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--soft);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.pub-row:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.pub-row .image {
  width: 100%;
  padding: 0;
  overflow: hidden;
}
.pub-row .image img {
  display: block;
  width: 100%;
  height: auto;
}

.pub-abs {
  margin: 0 0 8px;
  color: #334155;
}

.pub-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  box-sizing: border-box;
  /* padding-right: 5rem; */
}

.pub-meta-row .journal {
  font-weight: 800;
}

.pub-meta-row .date {
  color: var(--muted);
  font-size: 14px;
}

.row-more {
  border: 0;
  background: #0f172a;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  opacity: .85;
  cursor: pointer;
}

.pub-pager {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
}

.pb-bkg {
  width: 582px;
  height: 622px;
  position: absolute;
  left: 0;
  bottom: 0;
  background-image: url("../imgs/Publications/Publications_02.png");
  background-size: 100% 100%;
}

/* Footer dark */
.footer-dark {
  background: #0b1220;
  color: #cbd5e1;
  padding-top: 26px;
}

.foot-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.footer-dark h4 {
  margin: 0 0 8px;
  color: #e2e8f0;
  font-size: 14px;
}

.footer-dark a {
  display: block;
  color: #93c5fd;
  font-size: 13px;
  margin: 4px 0;
}

.foot-meta {
  padding: 16px 0;
  border-top: 1px solid #172036;
  color: #94a3b8;
  font-size: 12px;
  text-align: center;
  margin-top: 10px;
}

/* About */
.about-sections {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.about-card {
  grid-column: span 4;
  padding: 18px;
  border: 1px solid var(--soft);
  border-radius: 16px;
  background: #fff;
  transition: border-color .3s ease, transform .3s ease;
}

.about-card:hover {
  transform: translateY(-2px);
  border-color: #cbd5e1;
}

.about-card h3 {
  margin: 8px 0 8px;
  font-size: 18px;
}

.about-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.about-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #f1f5f9;
}

/* About1: Deliver tabs */
.deliver-tabs {
  display: inline-flex;
  gap: 16px;
  padding: 6px;
  margin: 28px auto;
  width: 100%;
  justify-content: center;
}

.deliver-tab {
  padding: 8px 14px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.deliver-tab:hover {
  transform: translateY(-1px);
  background: #eaf2ff;
  border-color: #bfdbfe;
}

.deliver-tab.active {
  background: #0ea5e9;
  color: #fff;
  border-color: #0ea5e9;
}

.deliver-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 30px;
  margin-top: 12px;
  text-align: center;
}

.deliver-card {
  grid-column: span 3;
  padding: 16px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 368px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.deliver-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
  cursor: pointer;
}

/* .deliver-card.active { outline: 2px solid #0ea5e9; } */
.deliver-card .icon {
  width: 78px;
  border-radius: 10px;
  color: #0284c7;
  display: grid;
  place-items: center;
  margin-bottom: 8px;
  position: relative;
}

.deliver-card .icon img {
  width: 78px;
  object-fit: contain;
}

.deliver-card .icon .icon-hover {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity .3s ease;
}

.deliver-card:hover .icon .icon-hover {
  opacity: 1;
}

.deliver-card:hover {
  background-color: #dbecff;
}

.deliver-card:hover .icon .icon-normal {
  opacity: 0;
}

/* iMAPS Vision */
.vision-section {
  overflow: hidden;
}

.vision-section h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin: 0 0 20px;
}

.vision-bg {
  height: 480px;
  inset: 0;
  background: url('../imgs/about/about_07.jpg') center/cover no-repeat;
  z-index: -1;
}

.vision-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 80px 20px;
}

.vision-content p {
  font-size: clamp(18px, 2vw, 22px);
  margin: 0;
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  line-height: 1.6;
}

.Mission-cont {
  width: 100%;
  height: 100%;
  position: relative;
}

.Mission-cont .colbkg {
  position: absolute;
}


.Mission-cont .col {
  width: 100%;
  height: 520px;
}

.Mission-cont-item {
  width: 360px;
  height: 200px;
  padding: 24px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: absolute;
  cursor: pointer;
  left: 45%;
  top: 45%;
  opacity: 0;
  transition: all 1.8s;
}

.Mission-cont-item:hover {
  background-color: #dbecff;
}

/* .Mission-cont .col .item1{
  left: 15%;
  top: 14%;
}
.Mission-cont .col .item2{
  left: 62%;
  top: 0%;
}
.Mission-cont .col .item3{
  left: 18%;
  top: 72%;
}
.Mission-cont .col .item4{
  left: 55%;
  top: 64%;
} */

.ApproachSE {
  display: flex;
}

.section-head {
  flex: 1;
}

.ApproachSER {
  flex: 2;
  margin-left: 42px;
}

.ApproachSER-item {  
  padding: 24px;
  margin: 16px;
  border-bottom: 1px solid #ccc;
  cursor: pointer;
}
.ApproachSER-item-t {
  font-size: 28px;
  font-weight: 600;
  display: flex;
  align-items: center;
}
.ApproachSER-item-t p{
  width: 2.1rem;
  height: 1.2rem;
  text-align: center;
  line-height: 1.2rem;
  font-size: 0.9rem;
  color: white;
  margin-right: 1rem;
  border-radius: 1.3rem;
  background-color: #000000;
}
.ApproachSER-item-v {
  display: none;
}

.ApproachSER-item:hover .ApproachSER-item-v {
  display: block;
}

/* About1: Mission animation */
.mission-wrap {
  position: relative;
  height: 220px;
  display: grid;
  place-items: center;
}

.mission-core {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #0ea5e9;
  box-shadow: 0 0 0 6px #e0f2fe, 0 0 0 12px #eff6ff;
  animation: pulseCore 2.6s ease-in-out infinite;
}

.mission-ring {
  position: absolute;
  border: 2px solid #93c5fd;
  border-radius: 999px;
  opacity: .55;
  animation: growOut 3.2s linear infinite;
}

.mission-ring.ring-1 {
  width: 60px;
  height: 60px;
  animation-delay: .0s;
}

.mission-ring.ring-2 {
  width: 120px;
  height: 120px;
  animation-delay: .6s;
}

.mission-ring.ring-3 {
  width: 180px;
  height: 180px;
  animation-delay: 1.2s;
}

@keyframes pulseCore {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.25);
  }
}

@keyframes growOut {
  0% {
    transform: scale(.8);
    opacity: .6
  }

  100% {
    transform: scale(1.15);
    opacity: .1
  }
}

/* About1: Approach hover accordion */
.approach .approach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.approach .approach-list li {
  border: 1px solid var(--soft);
  border-radius: 14px;
  background: #fff;
  padding: 12px;
  transition: grid-template-rows .3s ease, background .2s ease, border-color .2s ease;
}

.approach .approach-list li p {
  margin: 6px 0 0;
  color: var(--muted);
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.approach .approach-list li.open {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.approach .approach-list li.open p {
  max-height: 120px;
}

/* About1: Advisors swiper mimic */
.advisors-swiper {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 160px;
  gap: 10px;
  transition: transform .5s ease;
}

.advisors-swiper .slide {
  width: 160px;
  height: 160px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.advisors-swiper img {
  width: 160%;
  height: 160%;
  object-fit: cover;
  transform: scale(1);
  transition: transform .3s ease;
  cursor: pointer;
}

.advisors-swiper.hover img {
  transform: scale(1.08);
}

.advisors-swiper .slide:hover img {
  transform: scale(1.5);
}

/* .advisors-swiper .slide:hover img { width: 120px; height: 120px; } */

.swiperContain {
  width: 960px;
  margin: 0 auto;
  /* overflow: hidden; */
}


.Historyimg {

  width: 70%;
  margin-left: 34px;
}

/* About1: FAQs hover accordion */
.faqs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.faqs li {
  border: 1px solid var(--soft);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
}

.faqs button {
  width: 100%;
  text-align: left;
  background: #eaf2ff;
  border: 0;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
}

.faqs .faq-body {
  padding: 0 16px;
  color: #334155;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faqs li.open .faq-body {
  max-height: 160px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
  background: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn.ghost {
  background: transparent;
  color: #e2f1ff;
  border: 1px solid #60a5fa99;
  backdrop-filter: blur(4px);
}

.btn.small {
  padding: 8px 12px;
  font-size: 14px;
}

/* Footer */
footer {
  padding: 28px 0;
  color: var(--muted);
  border-top: 1px solid var(--soft);
  margin-top: 28px;
}

/* Responsive */
@media (max-width: 1024px) {
  .col-span-6 {
    grid-column: span 12;
  }

  .col-span-4 {
    grid-column: span 6;
  }

  .col-span-3 {
    grid-column: span 6;
  }

  .about-card {
    grid-column: span 6;
  }

  .two-col .col {
    grid-column: span 12;
  }

  .pub-layout {
    grid-template-columns: 1fr;
  }

  .pub-side {
    position: relative;
    top: 0;
    grid-auto-flow: column;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .pub-side .side-group {
    min-width: 220px;
  }

  .foot-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav {
    padding: 18px 0;
  }

  .nav-center.left {
    left: 4%;
  }

  .platform-flow .node {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 10px 0;
  }

  .nav-links {
    gap: 6px;
  }

  .nav-links a {
    padding: 8px 10px;
  }

  .hero-inner {
    padding: 46px 0;
  }

  .grid {
    gap: 10px;
  }

  .pub-item img {
    height: 160px;
  }

  .about-card {
    grid-column: span 12;
  }

  .section {
    padding: 40px 0;
  }

  .news-list li {
    grid-template-columns: 46px 70px 1fr auto;
  }
  .foot-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pub-side {
    gap: 8px;
  }

  .side-head {
    padding: 10px 12px;
    font-size: 14px;
  }

  .pub-hero .hero-mask {
    padding: 64px 0 80px;
  }

  .nav-center {
    position: static;
    transform: none;
  }

  .nav-center.left {
    position: static;
  }

  .grad-btn {
    padding: 10px 14px;
  }

  .platform-flow .node {
    grid-column: span 12;
  }
}




/* // home */

#section_fir {
  opacity: 0;
  transform: translateY(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_fir.visible {
  opacity: 1;
  transform: translateY(0);
  /* 初始向左移动50px */
}


#section_sec_left {
  opacity: 0;
  transform: translateX(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_sec_left.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}


#section_sec_right {
  opacity: 0;
  transform: translateX(100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_sec_right.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}


#section_tre_left {
  opacity: 0;
  transform: translateX(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_tre_left.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}


#section_tre_right {
  opacity: 0;
  transform: translateX(100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_tre_right.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}

#section_tre_top {
  opacity: 0;
  transform: translateY(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_tre_top.visible {
  opacity: 1;
  transform: translateY(0);
  /* 初始向左移动50px */
}

#section_four_right {
  opacity: 0;
  transform: translateX(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_four_right.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}

#section_five_left {
  opacity: 0;
  transform: translateX(-100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_five_left.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}


#section_five_right {
  opacity: 0;
  transform: translateX(100%);
  /* 初始向左移动50px */
  transition: all 1.3s;
  /* animation: slideInFromTop 1.3s; */
}

#section_five_right.visible {
  opacity: 1;
  transform: translateX(0);
  /* 初始向左移动50px */
}


/* about */
.Mission-cont-item.visible {
  opacity: 1;
}


.Mission-cont .col .item1.visible {

  left: 15%;
  top: 14%;
}

.Mission-cont .col .item2.visible {
  left: 62%;
  top: 0%;
}

.Mission-cont .col .item3.visible {
  left: 18%;
  top: 72%;
}

.Mission-cont .col .item4.visible {
  left: 55%;
  top: 64%;
}
/* 标签页内容样式 */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}