/* 主题三色：青墨#007788 / 砖红#D62828 / 暖杏#FCBF49 */
:root {
  --main: #007788;
  --aux: #D62828;
  --shine: #FCBF49;
  --dark-bg: #091F22;
  --white: #ffffff;
  --gray-text: #9BB9BC;
  --light-bg: #E6F3F4;
  --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: #132E31;
  background: #fff;
  overflow-x: hidden;
}
.wrap15 {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 导航 fi15-header */
.fi15-header {
  width: 100%;
  background: linear-gradient(90deg, #091F22, #0E2F33);
  z-index: 999;
}
.head-row15 {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-wrap15 h1 {
  font-size: 25px;
  font-weight: 700;
  color: var(--white);
}
.logo-wrap1515 {
  font-size: 25px;
  font-weight: 700;
  color: var(--white);
}
.nav-list15 {
  display: flex;
  gap: 34px;
}
.nav-item15 a {
  color: #B2D3D6;
  font-size: 15px;
  padding: 7px 0;
  position: relative;
  transition: var(--trans);
}
.nav-item15.active a {
  color: var(--shine);
}
.nav-item15.active a::after {
  content: "";
  width: 100%;
  height: 2px;
  background: linear-gradient(var(--aux), var(--shine));
  position: absolute;
  left: 0;
  bottom: 0;
}
.nav-item15 a:hover {
  color: var(--shine);
}

/* 首页首屏 fi15-banner 超大动态 */
.fi15-banner {
  width: 100%;
  min-height: 680px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 11% 17%, rgba(0,119,136,0.93), transparent 32%),
    radial-gradient(circle at 89% 13%, rgba(214,40,40,0.88), transparent 32%),
    radial-gradient(circle at 50% 85%, rgba(252,191,73,0.85), transparent 36%),
    linear-gradient(150deg, #091F22, #0E2F33);
}
.light-l15 {
  position: absolute;
  left: -215%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.24), transparent);
  animation: slideL15 4.7s linear infinite;
}
.light-r15 {
  position: absolute;
  right: -215%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(270deg, transparent, rgba(214,40,40,0.18), transparent);
  animation: slideR15 6.8s linear infinite;
}
.dot-container15 {
  position: absolute;
  width: 100%;
  height: 100%;
}
.dot-container15 span {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.78);
  animation: dotDrift15 16.2s linear infinite;
}
.dot-container15 span:nth-child(1) { top:8%; left:5%; animation-delay:0s; }
.dot-container15 span:nth-child(2) { top:36%; left:20%; animation-delay:1.7s; }
.dot-container15 span:nth-child(3) { top:73%; left:9%; animation-delay:3.4s; }
.dot-container15 span:nth-child(4) { top:21%; left:78%; animation-delay:5.1s; }
.dot-container15 span:nth-child(5) { top:67%; left:86%; animation-delay:6.8s; }
.ring-main15 {
  width: 680px;
  height: 680px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  animation: ringSpin15 28.5s linear infinite;
}
.ring-sub15 {
  width: 820px;
  height: 820px;
  border: 1px solid rgba(252,191,73,0.11);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  animation: ringRev15 36.5s linear infinite reverse;
}
.ban-text-wrap {
  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-main15 {
  padding: 18px 46px;
  background: linear-gradient(135deg, var(--aux), #E84343);
  color: #111;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 0 36px rgba(214,40,40,0.46);
  transition: var(--trans);
}
.btn-main15:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 58px rgba(214,40,40,0.76);
}
.btn-trans15 {
  padding: 18px 46px;
  border: 1px solid rgba(255,255,255,0.92);
  color: var(--white);
  border-radius: 999px;
  transition: var(--trans);
}
.btn-trans15:hover {
  background: #fff;
  color: var(--main);
  transform: translateY(-9px) scale(1.06);
}

/* 内页通用Banner */
.inner-ban15 {
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 13% 21%, rgba(0,119,136,0.9), transparent 30%),
    radial-gradient(circle at 87% 15%, rgba(214,40,40,0.86), transparent 30%),
    radial-gradient(circle at 50% 79%, rgba(252,191,73,0.82), transparent 34%),
    linear-gradient(150deg, #091F22, #0E2F33);
}
.inner-ban15 .light-l15,.inner-ban15 .light-r15,.inner-ban15 .dot-container15,.inner-ban15 .ring-main15,.inner-ban15 .ring-sub15 {
  transform: scale(0.61);
}
.inner-text h1 {
  font-size: 42px;
  color: var(--white);
  margin-bottom: 14px;
}
.inner-text p {
  font-size: 18px;
  opacity: 0.93;
  color: #fff;
}

/* 面包屑 */
.bread15 {
  padding: 30px 0;
  font-size: 14px;
  color: var(--gray-text);
}
.bread15 a {
  color: var(--main);
}

/* 二级子导航 */
.sub-nav15 {
  padding: 16px 0 38px;
}
.sub-row15 {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.sub-item15 a {
  padding: 14px 30px;
  border: 1px solid #DDEBF2;
  border-radius: 10px;
  display: inline-block;
  transition: var(--trans);
}
.sub-item15.active a {
  background: linear-gradient(135deg, var(--main), #008A9C);
  color: #fff;
  border-color: var(--main);
}
.sub-badge {
  padding: 4px 11px;
  font-size: 12px;
  border-radius: 16px;
  margin-left: 9px;
}
.sub-item15.active .sub-badge {
  background: #fff;
  color: var(--main);
}
.sub-item15:not(.active) .sub-badge {
  background: var(--main);
  color: #fff;
}

/* 数据区块 fi15-data */
.fi15-data {
  width 100%;
  padding: 86px 0;
  margin: 76px 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 9% 23%, rgba(0,119,136,0.91), transparent 32%),
    radial-gradient(circle at 91% 15%, rgba(214,40,40,0.87), transparent 32%),
    radial-gradient(circle at 50% 83%, rgba(252,191,73,0.83), transparent 36%),
    linear-gradient(150deg, #091F22, #0E2F33);
}
.fi15-data .light-l15 { animation-duration:6.1s; }
.fi15-data .dot-container15 span { background: rgba(255,255,255,0.56); }
.data-grid15 {
  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: numBeat15 3.8s alternate infinite ease;
}
.data-desc-p {
  font-size: 19px;
  opacity: 0.95;
}

/* 区块标题 h2/h3保留 */
.section-title15 {
  text-align: center;
  margin-bottom: 64px;
}
.section-title15 h2 {
  font-size: 38px;
  margin-bottom: 18px;
}
.section-title15 p {
  font-size: 19px;
  color: var(--gray-text);
}

/* 服务卡片 */
.service-grid15 {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 34px;
  margin-bottom: 86px;
}
.service-card15 {
  display: block;
  border: 1px solid #DDEBF2;
  border-radius: 18px;
  padding: 38px 28px;
  text-align: center;
  transition: var(--trans);
}
.service-card15:hover {
  border-color: var(--main);
  transform: translateY(-14px);
  box-shadow: 0 20px 48px rgba(0,119,136,0.17);
}
.service-ico15 {
  width: 86px;
  height: 86px;
  margin: 0 auto 28px;
}
.service-card15 h3 {
  font-size: 24px;
  margin-bottom: 18px;
}
.service-card15 p {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.85;
}

/* 图文卡片 */
.img-grid15 {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 34px;
  margin-bottom: 56px;
}
.img-card15 {
  border: 1px solid #DDEBF2;
  border-radius: 18px;
  overflow: hidden;
  display: block;
  transition: var(--trans);
}
.img-card15:hover {
  transform: translateY(-14px);
  box-shadow: 0 20px 48px rgba(0,119,136,0.17);
}
.card-img15 {
  width: 100%;
  height: 182px;
  object-fit: cover;
}
.card-text15 {
  padding: 28px;
}
.card-text15 h3 {
  font-size: 22px;
  margin-bottom: 16px;
}
.card-text15 p {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.75;
}
.more-box15 {
  text-align: center;
  margin-bottom: 86px;
}
.more-link15 {
  color: var(--main);
  font-size: 19px;
  font-weight: 500;
}

/* 资讯列表 */
.news-wrap15 {
  margin-bottom: 56px;
}
.news-item15 {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid #DDEBF2;
}
.news-pic15 {
  width: 260px;
  height: 162px;
  border-radius: 12px;
  object-fit: cover;
}
.news-text15 h2 {
  font-size: 24px;
  margin-bottom: 18px;
}
.news-time15 {
  font-size: 15px;
  color: var(--gray-text);
  margin-bottom: 18px;
}
.news-desc15 {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.85;
}
.page-bar15 {
  display: flex;
  gap: 18px;
  justify-content: center;
  padding: 42px 0;
}
.page-bar15 a {
  padding: 14px 22px;
  border: 1px solid #DDEBF2;
  border-radius: 8px;
  font-size: 14px;
}

/* 文章详情 */
.detail-wrap15 {
  padding-bottom: 86px;
}
.detail-h1 {
  font-size: 38px;
  margin-bottom: 24px;
}
.detail-date15 {
  font-size: 17px;
  color: var(--gray-text);
  padding-bottom: 24px;
  margin-bottom: 42px;
  border-bottom: 1px solid #DDEBF2;
}
.detail-cont15 {
  font-size: 20px;
  line-height: 2.1;
  color: #132E31;
}
.prev-next15 {
  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-wrap15 {
  font-size: 20px;
  line-height: 2.1;
  color: #132E31;
  padding-bottom: 86px;
}

/* 底部转化 fi15-action h2替换加粗p */
.fi15-action {
  width: 100%;
  padding: 110px 0;
  margin-top: 76px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(0,119,136,0.93), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(214,40,40,0.89), transparent 34%),
    radial-gradient(circle at 50% 88%, rgba(252,191,73,0.86), transparent 38%),
    linear-gradient(150deg, #091F22, #0E2F33);
}
.fi15-action .light-l15 { animation-duration:4.6s; }
.fi15-action .light-r15 { animation-duration:6.6s; }
.fi15-action .dot-container15 span { background: rgba(255,255,255,0.64); }
.action-row15 {
  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-group15 {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}
.action-btn15 {
  padding: 19px 48px;
  background: linear-gradient(135deg, var(--aux), #E84343);
  color: #111;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 0 40px rgba(214,40,40,0.45);
  transition: var(--trans);
}
.action-btn15:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 62px rgba(214,40,40,0.73);
}
.action-btn25 {
  padding: 19px 48px;
  background: #fff;
  color: var(--main);
  border-radius: 999px;
  transition: var(--trans);
}
.action-btn25:hover {
  transform: translateY(-9px) scale(1.06);
  box-shadow: 0 0 48px rgba(255,255,255,0.4);
}

/* 页脚 fi15-footer h4全部替换p */
.fi15-footer {
  background: linear-gradient(90deg, #091F22, #0E2F33);
  color: #B2D3D6;
  padding: 80px 0 48px;
}
.foot-row15 {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 60px;
}
.foot-con .foot-p-head {
  font-size: 22px;
  color: var(--white);
  margin-bottom: 30px;
}
.foot-con 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: #B2D3D6;
}
.copyright15 {
  border-top: 1px solid #1A3236;
  padding-top: 32px;
  text-align: center;
  font-size: 14px;
}
.copyright15 a {
  color: var(--shine);
  margin-left: 18px;
}

/* 全局动画 */
@keyframes slideL15 {
  0% { left: -215%; }
  100% { left: 215%; }
}
@keyframes slideR15 {
  0% { right: -215%; }
  100% { right: 215%; }
}
@keyframes dotDrift15 {
  0% { transform: translate(0,0) scale(1); opacity:0; }
  20% { opacity:1; }
  80% { opacity:1; }
  100% { transform: translate(190px,-285px) scale(0); opacity:0; }
}
@keyframes ringSpin15 {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(360deg); }
}
@keyframes ringRev15 {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(-360deg); }
}
@keyframes numBeat15 {
  0% { transform: scale(1); }
  100% { transform: scale(1.09); }
}

/* 移动端适配 */
@media screen and (max-width:1024px) {
  .data-grid15,.service-grid15,.img-grid15 { grid-template-columns: repeat(2,1fr); }
  .action-row15,.foot-row15 { flex-direction: column; text-align:center; }
  .action-btn-group15 { justify-content: center; }
  .ban-bold-p { font-size:42px; }
}
@media screen and (max-width:768px) {
  .head-row15 { height: auto; flex-direction: column; padding:24px 0; gap:24px; }
  .nav-list15 { flex-wrap: wrap; justify-content:center; gap:24px; }
  .fi15-banner { min-height:500px; }
  .ban-bold-p { font-size:34px; }
  .ban-btn-row { flex-direction: column; }
  .btn-main15,.btn-trans15 { width:100%; text-align:center; }
  .inner-ban15 { height:240px; }
  .inner-text h1 { font-size:32px; }
  .section-title15 h2,.action-bold-p { font-size:32px; }
  .news-item15 { flex-direction: column; }
  .news-pic15 { width:100%; height:240px; }
  .detail-h1 { font-size:30px; }
  .ring-main15,.ring-sub15 { width:380px; height:380px; }
}
@media screen and (max-width:480px) {
  .ban-bold-p { font-size:28px; }
  .data-grid15,.service-grid15,.img-grid15 { grid-template-columns:1fr; }
  .data-num-big { font-size:40px; }
  .sub-row15 { gap:14px; }
  .sub-item15 a { padding:10px 20px; font-size:13px; }
  .fi15-action { padding:78px 0; }
  .action-btn15,.action-btn25 { width:100%; text-align:center; }
  .page-bar15 { flex-wrap: wrap; }
}