/* 主题三色：深海蓝#003566 / 珊瑚橙#FF7F50 / 浅柠黄#FFE66D */
:root {
  --main: #003566;
  --aux: #FF7F50;
  --shine: #FFE66D;
  --dark-bg: #061830;
  --white: #ffffff;
  --gray-text: #99B2CC;
  --light-bg: #E6F0FB;
  --trans: all 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
body {
  font-family: "Microsoft YaHei", system-ui;
  color: #102840;
  background: #fff;
  overflow-x: hidden;
}
.wrap13 {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 导航 th13-header */
.th13-header {
  width: 100%;
  background: linear-gradient(90deg, #061830, #0A2447);
  z-index: 999;
}
.head-row13 {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-box13 h1 {
  font-size: 25px;
  font-weight: 700;
  color: var(--white);
}
.logo-box1313 {
  font-size: 25px;
  font-weight: 700;
  color: var(--white);
}
.nav-list13 {
  display: flex;
  gap: 34px;
}
.nav-item13 a {
  color: #B0C8E2;
  font-size: 15px;
  padding: 7px 0;
  position: relative;
  transition: var(--trans);
}
.nav-item13.active a {
  color: var(--aux);
}
.nav-item13.active a::after {
  content: "";
  width: 100%;
  height: 2px;
  background: linear-gradient(var(--aux), var(--shine));
  position: absolute;
  left: 0;
  bottom: 0;
}
.nav-item13 a:hover {
  color: var(--aux);
}

/* 首页首屏 th13-banner 超大动态光效 */
.th13-banner {
  width: 100%;
  min-height: 680px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(0,53,102,0.94), transparent 32%),
    radial-gradient(circle at 88% 14%, rgba(255,127,80,0.89), transparent 32%),
    radial-gradient(circle at 50% 85%, rgba(255,230,109,0.86), transparent 36%),
    linear-gradient(150deg, #061830, #0A2447);
}
.light-left13 {
  position: absolute;
  left: -225%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  animation: flowL13 4.4s linear infinite;
}
.light-right13 {
  position: absolute;
  right: -225%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(270deg, transparent, rgba(255,127,80,0.19), transparent);
  animation: flowR13 6.5s linear infinite;
}
.dot-wrap13 {
  position: absolute;
  width: 100%;
  height: 100%;
}
.dot-wrap13 span {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.78);
  animation: dotFloat13 16.5s linear infinite;
}
.dot-wrap13 span:nth-child(1){top:8%;left:5%;animation-delay:0s;}
.dot-wrap13 span:nth-child(2){top:35%;left:19%;animation-delay:1.9s;}
.dot-wrap13 span:nth-child(3){top:72%;left:8%;animation-delay:3.8s;}
.dot-wrap13 span:nth-child(4){top:21%;left:78%;animation-delay:5.7s;}
.dot-wrap13 span:nth-child(5){top:68%;left:86%;animation-delay:7.6s;}
.ring-inner13 {
  width: 670px;
  height: 670px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  animation: spin13 27s linear infinite;
}
.ring-outer13 {
  width: 810px;
  height: 810px;
  border: 1px solid rgba(255,230,109,0.11);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  animation: spinRev13 35s linear infinite reverse;
}
.ban-content13 {
  position: relative;
  z-index: 2;
  color: var(--white);
}
.ban-bold-p {
  font-size: 52px;
  font-weight: 700;
  margin-bottom: 22px;
}
.ban-desc-p {
  font-size: 20px;
  line-height: 2.05;
  margin-bottom: 46px;
  opacity: 0.96;
}
.ban-btn-row {
  display: flex;
  gap: 28px;
}
.btn-main13 {
  padding: 18px 46px;
  background: linear-gradient(135deg, var(--aux), #FF9569);
  color: #111;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 0 36px rgba(255,127,80,0.46);
  transition: var(--trans);
}
.btn-main13:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 58px rgba(255,127,80,0.76);
}
.btn-line13 {
  padding: 18px 46px;
  border: 1px solid rgba(255,255,255,0.92);
  color: var(--white);
  border-radius: 999px;
  transition: var(--trans);
}
.btn-line13:hover {
  background: #fff;
  color: var(--main);
  transform: translateY(-9px) scale(1.06);
}

/* 内页通用Banner */
.inner-ban13 {
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 13% 21%, rgba(0,53,102,0.91), transparent 30%),
    radial-gradient(circle at 87% 15%, rgba(255,127,80,0.87), transparent 30%),
    radial-gradient(circle at 50% 79%, rgba(255,230,109,0.84), transparent 34%),
    linear-gradient(150deg, #061830, #0A2447);
}
.inner-ban13 .light-left13,.inner-ban13 .light-right13,.inner-ban13 .dot-wrap13,.inner-ban13 .ring-inner13,.inner-ban13 .ring-outer13 {
  transform: scale(0.6);
}
.inner-text13 h1 {
  font-size: 42px;
  color: var(--white);
  margin-bottom: 14px;
}
.inner-text13 p {
  font-size: 18px;
  opacity: 0.93;
  color: #fff;
}

/* 面包屑 */
.bread13 {
  padding: 30px 0;
  font-size: 14px;
  color: var(--gray-text);
}
.bread13 a {
  color: var(--main);
}

/* 二级子导航 */
.sub-nav13 {
  padding: 16px 0 38px;
}
.sub-row13 {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.sub-item13 a {
  padding: 14px 30px;
  border: 1px solid #DDEBF2;
  border-radius: 10px;
  display: inline-block;
  transition: var(--trans);
}
.sub-item13.active a {
  background: linear-gradient(135deg, var(--main), #004A8E);
  color: #fff;
  border-color: var(--main);
}
.sub-badge {
  padding: 4px 11px;
  font-size: 12px;
  border-radius: 16px;
  margin-left: 9px;
}
.sub-item13.active .sub-badge {
  background: #fff;
  color: var(--main);
}
.sub-item13:not(.active) .sub-badge {
  background: var(--main);
  color: #fff;
}

/* 数据区块 th13-data */
.th13-data {
  width: 100%;
  padding: 86px 0;
  margin: 76px 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 9% 23%, rgba(0,53,102,0.92), transparent 32%),
    radial-gradient(circle at 91% 15%, rgba(255,127,80,0.88), transparent 32%),
    radial-gradient(circle at 50% 83%, rgba(255,230,109,0.85), transparent 36%),
    linear-gradient(150deg, #061830, #0A2447);
}
.th13-data .light-left13 { animation-duration:6.3s; }
.th13-data .dot-wrap13 span { background: rgba(255,255,255,0.56); }
.data-grid13 {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 38px;
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
}
.data-num-big {
  font-size: 52px;
  font-weight: bold;
  margin-bottom: 16px;
  animation: pulse13 3.8s alternate infinite ease;
}
.data-desc-p {
  font-size: 19px;
  opacity: 0.95;
}

/* 区块标题 h2/h3 原样保留 */
.section-title13 {
  text-align: center;
  margin-bottom: 64px;
}
.section-title13 h2 {
  font-size: 38px;
  margin-bottom: 18px;
}
.section-title13 p {
  font-size: 19px;
  color: var(--gray-text);
}

/* 服务卡片 */
.service-grid13 {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 34px;
  margin-bottom: 86px;
}
.service-card13 {
  display: block;
  border: 1px solid #DDEBF2;
  border-radius: 18px;
  padding: 38px 28px;
  text-align: center;
  transition: var(--trans);
}
.service-card13:hover {
  border-color: var(--main);
  transform: translateY(-14px);
  box-shadow: 0 20px 48px rgba(0,53,102,0.17);
}
.service-icon13 {
  width: 86px;
  height: 86px;
  margin: 0 auto 28px;
}
.service-card13 h3 {
  font-size: 24px;
  margin-bottom: 18px;
}
.service-card13 p {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.85;
}

/* 图文卡片 */
.img-grid13 {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 34px;
  margin-bottom: 56px;
}
.img-card13 {
  border: 1px solid #DDEBF2;
  border-radius: 18px;
  overflow: hidden;
  display: block;
  transition: var(--trans);
}
.img-card13:hover {
  transform: translateY(-14px);
  box-shadow: 0 20px 48px rgba(0,53,102,0.17);
}
.card-img13 {
  width: 100%;
  height: 182px;
  object-fit: cover;
}
.card-text13 {
  padding: 28px;
}
.card-text13 h3 {
  font-size: 22px;
  margin-bottom: 16px;
}
.card-text13 p {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.75;
}
.more-box13 {
  text-align: center;
  margin-bottom: 86px;
}
.more-link13 {
  color: var(--main);
  font-size: 19px;
  font-weight: 500;
}

/* 资讯列表 */
.news-wrap13 {
  margin-bottom: 56px;
}
.news-item13 {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid #DDEBF2;
}
.news-pic13 {
  width: 260px;
  height: 162px;
  border-radius: 12px;
  object-fit: cover;
}
.news-text13 h2 {
  font-size: 24px;
  margin-bottom: 18px;
}
.news-time13 {
  font-size: 15px;
  color: var(--gray-text);
  margin-bottom: 18px;
}
.news-desc13 {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.85;
}
.page-bar13 {
  display: flex;
  gap: 18px;
  justify-content: center;
  padding: 42px 0;
}
.page-bar13 a {
  padding: 14px 22px;
  border: 1px solid #DDEBF2;
  border-radius: 8px;
  font-size: 14px;
}

/* 文章详情 */
.detail-wrap13 {
  padding-bottom: 86px;
}
.detail-h1 {
  font-size: 38px;
  margin-bottom: 24px;
}
.detail-date13 {
  font-size: 17px;
  color: var(--gray-text);
  padding-bottom: 24px;
  margin-bottom: 42px;
  border-bottom: 1px solid #DDEBF2;
}
.detail-cont13 {
  font-size: 20px;
  line-height: 2.1;
  color: #102840;
}
.prev-next13 {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid #DDEBF2;
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  color: var(--gray-text);
}

/* 通用正文 */
.cont-wrap13 {
  font-size: 20px;
  line-height: 2.1;
  color: #102840;
  padding-bottom: 86px;
}

/* 底部转化 th13-action h2替换加粗p */
.th13-action {
  width: 100%;
  padding: 110px 0;
  margin-top: 76px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(0,53,102,0.93), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(255,127,80,0.89), transparent 34%),
    radial-gradient(circle at 50% 88%, rgba(255,230,109,0.86), transparent 38%),
    linear-gradient(150deg, #061830, #0A2447);
}
.th13-action .light-left13 { animation-duration:4.4s; }
.th13-action .light-right13 { animation-duration:6.4s; }
.th13-action .dot-wrap13 span { background: rgba(255,255,255,0.64); }
.action-row13 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 2;
  color: #fff;
}
.action-bold-p {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
}
.action-desc-p {
  font-size: 20px;
  opacity: 0.96;
}
.action-btn-group13 {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}
.action-btn1 {
  padding: 19px 48px;
  background: linear-gradient(135deg, var(--aux), #FF9569);
  color: #111;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 0 40px rgba(255,127,80,0.45);
  transition: var(--trans);
}
.action-btn1:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 62px rgba(255,127,80,0.73);
}
.action-btn2 {
  padding: 19px 48px;
  background: #fff;
  color: var(--main);
  border-radius: 999px;
  transition: var(--trans);
}
.action-btn2:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 48px rgba(255,255,255,0.4);
}

/* 页脚 th13-footer h4全部替换p */
.th13-footer {
  background: linear-gradient(90deg, #061830, #0A2447);
  color: #B0C8E2;
  padding: 80px 0 48px;
}
.foot-row13 {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 60px;
}
.foot-contact .foot-p-head {
  font-size: 22px;
  color: var(--white);
  margin-bottom: 30px;
}
.foot-contact p {
  line-height: 2.3;
  font-size: 14px;
}
.foot-link span {
  color: #fff;
  margin-right: 14px;
}
.foot-link a {
  margin-right: 20px;
  font-size: 14px;
  color: #B0C8E2;
}
.copyright13 {
  border-top: 1px solid #152C47;
  padding-top: 32px;
  text-align: center;
  font-size: 14px;
}
.copyright13 a {
  color: var(--aux);
  margin-left: 18px;
}

/* 全局动画 */
@keyframes flowL13 {
  0% { left: -225%; }
  100% { left: 225%; }
}
@keyframes flowR13 {
  0% { right: -225%; }
  100% { right: 225%; }
}
@keyframes dotFloat13 {
  0% { transform: translate(0,0) scale(1); opacity:0; }
  20% { opacity:1; }
  80% { opacity:1; }
  100% { transform: translate(195px,-290px) scale(0); opacity:0; }
}
@keyframes spin13 {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(360deg); }
}
@keyframes spinRev13 {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(-360deg); }
}
@keyframes pulse13 {
  0% { transform: scale(1); }
  100% { transform: scale(1.09); }
}

/* 移动端响应式 */
@media screen and (max-width:1024px) {
  .data-grid13,.service-grid13,.img-grid13 { grid-template-columns: repeat(2,1fr); }
  .action-row13,.foot-row13 { flex-direction: column; text-align:center; }
  .action-btn-group13 { justify-content: center; }
  .ban-bold-p { font-size:42px; }
}
@media screen and (max-width:768px) {
  .head-row13 { height:auto; flex-direction:column; padding:24px 0; gap:24px; }
  .nav-list13 { flex-wrap:wrap; justify-content:center; gap:24px; }
  .th13-banner { min-height:500px; }
  .ban-bold-p { font-size:34px; }
  .ban-btn-row { flex-direction:column; }
  .btn-main13,.btn-line13 { width:100%; text-align:center; }
  .inner-ban13 { height:240px; }
  .inner-text13 h1 { font-size:32px; }
  .section-title13 h2,.action-bold-p { font-size:32px; }
  .news-item13 { flex-direction:column; }
  .news-pic13 { width:100%; height:240px; }
  .detail-h1 { font-size:30px; }
  .ring-inner13,.ring-outer13 { width:380px; height:380px; }
}
@media screen and (max-width:480px) {
  .ban-bold-p { font-size:28px; }
  .data-grid13,.service-grid13,.img-grid13 { grid-template-columns:1fr; }
  .data-num-big { font-size:40px; }
  .sub-row13 { gap:14px; }
  .sub-item13 a { padding:10px 20px; font-size:13px; }
  .th13-action { padding:78px 0; }
  .action-btn1,.action-btn2 { width:100%; text-align:center; }
  .page-bar13 { flex-wrap:wrap; }
}