/* ========== 主题变量 ========== */
/* ========== 基础重置 ========== */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
html,
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans CN", Arial, sans-serif;
  background: #f6f3ed;
  font-size: 0.08333333rem;
  color: #2b2b2b;
  -webkit-font-smoothing: antialiased;
}
html {
  height: 100%;
}
body {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
/* 全屏滚动由 .fullpage-wrap(100vh+overflow:hidden) 控制，html/body 保持可滚动以便露出页脚 */
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}
input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  width: 6.875rem;
  margin: 0 auto;
  padding: 0 0.10416667rem;
}
/* ========== 全屏滚动容器 ========== */
.fullpage-wrap {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.fullpage-container {
  width: 100%;
  position: relative;
  transform: translateY(0);
}
.fp-section {
  width: 100%;
  height: 100vh;
}
/* ========== 首页：隐藏右侧滚动条（保留滚轮滚动，页脚仍可滚出） ========== */
body.home-index,
html:has(body.home-index) {
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* 旧 Edge/IE */
}
body.home-index::-webkit-scrollbar,
html:has(body.home-index)::-webkit-scrollbar {
  /* Chrome/Edge/Safari */
  width: 0;
  height: 0;
  display: none;
}
/* ========== 首页导航栏：仅覆盖在首屏轮播图上，下滑隐藏 ========== */
body.home-index .header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 200;
  transition: transform 0.6s ease, opacity 0.6s ease;
}
body.home-index.nav-hidden .header {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}
/* ========== Hero Banner (Swiper) ========== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #1a1a1a;
}
.hero .hero-swiper,
.hero .hero-swiper .swiper-wrapper,
.hero .hero-swiper .swiper-slide {
  width: 100%;
  height: 100%;
}
.hero .hero-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2b3038 0%, #3a3f47 45%, #5a4a3a 100%);
}
.hero-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
}
.hero-control {
  position: absolute;
  left: 0.20833333rem;
  bottom: 0.20833333rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.08333333rem;
  user-select: none;
}
.hero-control .hero-arrow {
  width: 0.25rem;
  height: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.18);
  border: 0.00520833rem solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  color: #fff;
  font-size: 0.13541667rem;
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.hero-control .hero-arrow:hover {
  background: rgba(255, 255, 255, 0.32);
  border-color: rgba(255, 255, 255, 0.75);
}
.hero-control .hero-arrow.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.hero-control .hero-page {
  color: #fff;
  font-size: 0.07291667rem;
  font-weight: 400;
  letter-spacing: 0.00520833rem;
  padding: 0 0.02083333rem;
}
.hero-control .hero-page #heroCurrent {
  font-size: 0.10416667rem;
  font-weight: 500;
}
/* ========== 板块背景图 ========== */
.section-bg {
  position: relative;
}
.section-bg .container,
.section-bg .section-inner {
  position: relative;
  z-index: 1;
}
.section-bg.section,
.section-bg.sage-section,
.section-bg.news-section,
.section-bg.heritage-section,
.section-bg.map-section {
  width: 100%;
  max-width: none;
  margin: 0;
}
.section-bg.section .section-inner {
  width: 6.875rem !important;
  max-width: 6.875rem !important;
  margin: 0 auto;
  padding: 0 0.10416667rem;
}
.section {
  width: 6.875rem;
  margin: 0 auto;
  padding: 0.3125rem 0.10416667rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section-title {
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: 0.20833333rem;
}
.section-title .title-bar {
  width: 0.02083333rem;
  height: 0.15625rem;
  background: #8b2e2e;
  margin-right: 0.08333333rem;
}
.section-title h2 {
  font-size: 0.14583333rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.01041667rem;
}
.section-title .subtitle {
  margin-left: 0.08333333rem;
  font-size: 0.06770833rem;
  color: #aaa;
  letter-spacing: 0.01041667rem;
  align-self: flex-end;
  margin-bottom: 0.02083333rem;
}
.section-title .section-subtitle {
  margin-left: 0.08333333rem;
  font-size: 0.06770833rem;
  color: #aaa;
  letter-spacing: 0.01041667rem;
  font-weight: 400;
}
.section-title .section-more {
  margin-left: auto;
  font-size: 0.06770833rem;
  color: #8b2e2e;
}
.section-title .section-more:hover {
  text-decoration: underline;
}
.section-tag {
  position: absolute;
  font-family: "Noto Serif SC", "Noto Serif", Georgia, "Times New Roman", serif;
  font-size: 0.09375rem;
  font-weight: 400;
  color: #4A6755;
  letter-spacing: 0.00520833rem;
  white-space: nowrap;
  z-index: 5;
}
.section-tag.tag-right {
  top: 0;
  right: 0;
}
.section-tag.tag-left {
  top: -0.26041667rem;
  left: 0;
}
/* ========== 大美榆林 / 生态保护区 ========== */
.feature-row {
  display: flex;
  gap: 0.3125rem;
  align-items: stretch;
}
.feature-pic {
  flex: 0 0 3.54166667rem;
  height: auto;
  border-radius: 0.02083333rem;
  overflow: hidden;
  position: relative;
  background: #e8e2d8;
}
.feature-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-bg-default {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #7a1f1f, #b0483a 60%, #d4a050);
}
.feature-bg-blue {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #7fa8bf, #b8d4e0);
}
.feature-badge {
  position: absolute;
  right: 0;
  bottom: 0;
  background: #8b2e2e;
  color: #fff;
  padding: 0.08333333rem 0.125rem;
  text-align: center;
}
.feature-badge .year {
  font-size: 0.16666667rem;
  font-weight: 700;
  line-height: 1;
}
.feature-badge .label {
  font-size: 0.0625rem;
  margin-top: 0.02083333rem;
}
.feature-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.10416667rem 0;
}
.feature-desc {
  font-size: 0.07291667rem !important;
  color: #555 !important;
  line-height: 2 !important;
  margin-bottom: 0.15625rem;
  text-align: justify !important;
  text-indent: 2em !important;
  font-family: inherit !important;
  font-weight: normal !important;
}
.feature-desc *,
.feature-desc *::before,
.feature-desc *::after {
  font-size: inherit !important;
  font-family: inherit !important;
  font-weight: inherit !important;
  font-style: inherit !important;
  color: inherit !important;
  line-height: inherit !important;
  background: none !important;
  letter-spacing: inherit !important;
  text-indent: inherit !important;
}
.feature-desc a {
  text-decoration: none !important;
}
.feature-desc p {
  margin-bottom: 0 !important;
}
.feature-stats {
  display: flex;
  gap: 0.26041667rem;
  border-top: 0.00520833rem solid #e6e0d5;
  padding-top: 0.15625rem;
  margin-top: auto;
}
.feature-stats .stat .num {
  font-size: 0.21875rem;
  font-weight: 700;
  color: #8b2e2e;
  line-height: 1;
}
.feature-stats .stat .label {
  font-size: 0.06770833rem;
  color: #888;
  margin-top: 0.05208333rem;
}
/* ========== 资讯/政策 左图+右Tab切换 ========== */
.news-row {
  display: flex;
  gap: 0.3125rem;
  align-items: flex-start;
}
.news-featured-wrap {
  flex: 0 0 2.1875rem;
}
.news-featured {
  display: block;
  width: 100%;
  height: 1.5625rem;
  border-radius: 0.02083333rem;
  overflow: hidden;
  background: #e8e2d8;
  margin-bottom: 0.08333333rem;
}
.news-featured img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-featured-bg {
  width: 100%;
  height: 100%;
  background: #8b6a4a;
}
.news-featured-meta {
  font-size: 0.0625rem;
  color: #888;
  margin-bottom: 0.05208333rem;
}
.news-featured-meta .meta-label {
  margin-right: 0.08333333rem;
}
.news-featured-title-big {
  display: block;
  font-size: 0.10416667rem;
  font-weight: 600;
  color: #2b2b2b;
  line-height: 1.6;
  margin-bottom: 0.04166667rem;
}
.news-featured-title-big:hover {
  color: #8b2e2e;
}
.news-featured-sub {
  font-size: 0.06770833rem;
  color: #888;
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.news-tabs-wrap {
  flex: 1;
  min-width: 0;
}
.news-tabs {
  display: flex;
  border-bottom: 0.00520833rem solid #e8e1d3;
  margin-bottom: 0.08333333rem;
}
.news-tabs .news-tab {
  padding: 0.07291667rem 0.125rem;
  font-size: 0.08333333rem;
  color: #888;
  cursor: pointer;
  border-bottom: 0.01041667rem solid transparent;
  margin-bottom: -0.01041667rem;
  transition: all 0.2s;
}
.news-tabs .news-tab:hover {
  color: #8b2e2e;
}
.news-tabs .news-tab.active {
  color: #8b2e2e;
  font-weight: 600;
  border-bottom-color: #8b2e2e;
}
.news-tab-panel {
  display: none;
}
.news-tab-panel.active {
  display: block;
}
.news-tab-panel li {
  display: flex;
  align-items: flex-start;
  gap: 0.10416667rem;
  padding: 0.09375rem 0;
  border-bottom: 0.00520833rem solid #f0ebe0;
}
.news-tab-panel li:last-child {
  border-bottom: none;
}
.news-tab-panel .date-box {
  flex-shrink: 0;
  width: 0.28125rem;
  text-align: left;
}
.news-tab-panel .day-num {
  display: block;
  font-size: 0.15625rem;
  font-weight: 700;
  color: #8b2e2e;
  line-height: 1;
}
.news-tab-panel .ym-num {
  display: block;
  font-size: 0.0625rem;
  color: #aaa;
  margin-top: 0.03125rem;
}
.news-tab-panel .list-title {
  flex: 1;
  font-size: 0.07291667rem;
  color: #2b2b2b;
  line-height: 1.8;
  padding-top: 0.03125rem;
}
.news-tab-panel .list-title:hover {
  color: #8b2e2e;
}
/* ========== 国家级非遗 卡片 ========== */
.heritage-section {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.heritage-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.0625rem;
}
.heritage-carousel {
  position: relative;
  overflow: hidden;
  /* 防止塌陷 */
  min-height: 0;
  flex: 1;
  min-width: 0;
}
.heritage-carousel .hc-track {
  display: flex;
  flex-wrap: nowrap !important;
  align-items: stretch;
  will-change: transform;
}
.heritage-carousel .hc-item {
  display: block;
  box-sizing: border-box;
  /* 防止被父级 fp-section 影响 */
  min-width: 0;
}
.heritage-carousel .hc-dots {
  position: absolute;
  bottom: -0.20833333rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.04166667rem;
}
.heritage-carousel .hc-dots span {
  width: 0.125rem;
  height: 0.015625rem;
  border-radius: 0.01041667rem;
  background: #d8cfc0;
  transition: all 0.2s;
  cursor: pointer;
}
.heritage-carousel .hc-dots span.active {
  background: #8b2e2e;
  width: 0.1875rem;
}
.hc-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: opacity 0.2s;
  user-select: none;
}
.hc-btn:hover {
  opacity: 0.7;
}
.hc-btn::before {
  content: '';
  display: block;
  width: 0.20833333rem;
  height: 0.20833333rem;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.hc-btn.hc-prev::before {
  background-image: url('/static/fy/pc/image/right.png');
}
.hc-btn.hc-next::before {
  background-image: url('/static/fy/pc/image/left.png');
}
.heritage-card {
  display: block;
  border-radius: 0.03125rem;
  overflow: hidden;
  background: #FFFDF8;
  border: 0.00520833rem solid #DAD5C8;
  transition: transform 0.25s, box-shadow 0.25s;
}
.heritage-card:hover {
  transform: translateY(-0.03125rem);
  box-shadow: 0 0.0625rem 0.16666667rem rgba(139, 46, 46, 0.18);
}
.heritage-card:hover .heritage-pic img,
.heritage-card:hover .heritage-pic-default {
  transform: scale(1.06);
}
.heritage-pic {
  width: 100%;
  height: 1.66666667rem;
  overflow: hidden;
  background: #e8e2d8;
  position: relative;
}
.heritage-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.heritage-pic-default {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #c8a97e, #8b2a2a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.10416667rem;
  font-weight: 700;
  letter-spacing: 0.01041667rem;
  transition: transform 0.35s ease;
}
.heritage-tag {
  position: absolute;
  top: 0.08333333rem;
  left: 0.08333333rem;
  background: #8b2e2e;
  color: #fff;
  padding: 0.02083333rem 0.0625rem;
  font-size: 0.0625rem;
  border-radius: 0.01041667rem;
  letter-spacing: 0.00520833rem;
}
.heritage-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.09375rem 0.11458333rem;
  background: #FFFDF8;
}
.heritage-name {
  font-size: 0.07291667rem;
  font-weight: 600;
  color: #2b2b2b;
}
.heritage-arrow {
  font-size: 0.09375rem;
  color: #943D32;
  transition: color 0.2s;
}
.heritage-card:hover .heritage-arrow {
  color: #8b2e2e;
}
/* ========== 地图统计 ========== */
.map-section {
  margin: 0;
  padding: 0.3125rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.map-row {
  display: flex;
  gap: 0.20833333rem;
  align-items: flex-start;
}
.map-visual {
  flex: 0 0 3.75rem;
  height: 3.02083333rem;
  border-radius: 0.02083333rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}
.map-visual svg path {
  fill: #cbb9a0;
  stroke: #a89070;
}
.map-visual svg circle {
  fill: #8b2e2e;
}
.map-visual svg text {
  fill: #5a4a38;
}
.map-stats {
  flex: 1;
  padding: 0.10416667rem 0 0.10416667rem 0.10416667rem;
}
.map-stats .stats-city-row {
  display: flex;
  align-items: baseline;
  gap: 0.10416667rem;
  margin-bottom: 0.10416667rem;
}
.map-stats .stats-city {
  font-size: 0.16666667rem;
  font-weight: 700;
  color: #2b2b2b;
}
.map-stats .stats-back {
  display: none;
  font-size: 0.07291667rem;
  color: #999;
  cursor: pointer;
  letter-spacing: 0.00520833rem;
  transition: color 0.2s;
}
.map-stats .stats-back.show {
  display: inline-block;
}
.map-stats .stats-back:hover {
  color: #8b2e2e;
}
.map-stats .stats-tabs {
  display: flex;
  gap: 0.1875rem;
  border-bottom: 0.00520833rem solid #e0d8c9;
  margin-bottom: 0.14583333rem;
}
.map-stats .stats-tabs .stats-tab {
  font-size: 0.08854167rem;
  color: #888;
  padding: 0.07291667rem 0;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.map-stats .stats-tabs .stats-tab.active {
  color: #8b2e2e;
  font-weight: 600;
}
.map-stats .stats-tabs .stats-tab.active::after {
  content: "";
  position: absolute;
  bottom: -0.00520833rem;
  left: 0;
  right: 0;
  height: 0.01041667rem;
  background: #8b2e2e;
}
.map-stats .stats-tabs .stats-tab:hover {
  color: #8b2e2e;
}
.map-stats .stats-panel {
  display: none;
}
.map-stats .stats-panel.active {
  display: block;
}
.map-stats .stats-total-row {
  display: flex;
  align-items: baseline;
  gap: 0.05208333rem;
  margin-bottom: 0.16666667rem;
}
.map-stats .stats-total-row .total-num {
  font-size: 0.27083333rem;
  font-weight: 700;
  color: #8b2e2e;
  line-height: 1;
}
.map-stats .stats-total-row .total-label {
  font-size: 0.08333333rem;
  color: #666;
}
.map-stats .stats-cat-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 0.25rem;
  row-gap: 0;
}
.map-stats .stats-cat-list .cat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.09375rem 0;
  border-bottom: 0.00520833rem solid #e8e1d3;
}
.map-stats .stats-cat-list .cat-item .cat-label {
  font-size: 0.078125rem;
  color: #666;
}
.map-stats .stats-cat-list .cat-item .cat-num {
  font-size: 0.09375rem;
  font-weight: 700;
  color: #8b2e2e;
}
/* ========== 申报指南（边框卡片+承字水印+背景图） ========== */
.apply-section {
  padding: 0.3125rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.apply-box {
  position: relative;
  border: 0.00520833rem solid #d8cfc0;
  background: rgba(255, 255, 255, 0.35);
  padding: 0.3125rem 0.36458333rem;
  overflow: hidden;
}
.apply-watermark {
  position: absolute;
  right: 0.20833333rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.45833333rem;
  color: rgba(0, 0, 0, 0.04);
  font-weight: 700;
  font-family: "STKaiti", "KaiTi", serif;
  line-height: 1;
  user-select: none;
}
.apply-row {
  display: flex;
  gap: 0.3125rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.apply-text {
  flex: 1;
}
.apply-label {
  font-size: 0.06770833rem;
  color: #8b2e2e;
  margin-bottom: 0.0625rem;
  letter-spacing: 0.015625rem;
}
.apply-title {
  font-size: 0.17708333rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.04166667rem;
  letter-spacing: 0.02083333rem;
}
.apply-subtitle {
  font-size: 0.06770833rem;
  color: #aaa;
  letter-spacing: 0.01041667rem;
  margin-bottom: 0.14583333rem;
}
.apply-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.04166667rem;
  padding: 0.0625rem 0.14583333rem;
  border: 0.00520833rem solid #2b2b2b;
  color: #2b2b2b;
  border-radius: 0.01041667rem;
  font-size: 0.06770833rem;
  cursor: pointer;
  background: transparent;
  transition: all 0.2s;
}
.apply-btn:hover {
  background: #8b2e2e;
  border-color: #8b2e2e;
  color: #fff;
}
/* ========== 友情链接横条（申报指南下方） ========== */
.friend-links {
  margin-top: 0.15625rem;
  border: 0.00520833rem solid #d8cfc0;
  background: rgba(255, 255, 255, 0.45);
  padding: 0.125rem 0.1875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.10416667rem;
}
.friend-links .fl-left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.friend-links .fl-title {
  font-size: 0.09375rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-right: 0.22916667rem;
  letter-spacing: 0.01041667rem;
  flex-shrink: 0;
}
.friend-links .fl-item {
  font-size: 0.078125rem;
  color: #777;
  margin-right: 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.03125rem;
  white-space: nowrap;
  transition: color 0.2s;
}
.friend-links .fl-item:hover {
  color: #8b2e2e;
}
.friend-links .fl-arrow {
  font-size: 0.06770833rem;
  font-weight: 400;
}
.friend-links .fl-disclaimer {
  font-size: 0.078125rem;
  color: #777;
  display: inline-flex;
  align-items: center;
  gap: 0.03125rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}
.friend-links .fl-disclaimer:hover {
  color: #8b2e2e;
}
/* ========== 首页特有 ========== */
.feature-row-reverse {
  flex-direction: row-reverse;
}
/* ========== 回到顶部按钮 ========== */
.back-to-top {
  position: fixed;
  right: 0.20833333rem;
  bottom: 0.20833333rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 0.33333333rem;
  height: 0.33333333rem;
  background: #1a1a1a;
  border: 0.00520833rem solid rgba(255, 255, 255, 0.15);
  border-radius: 0.02083333rem;
  box-shadow: 0 0.03125rem 0.10416667rem rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.10416667rem);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
  cursor: pointer;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: #8b2e2e;
  border-color: #8b2e2e;
}
.back-to-top:hover .back-to-top-arrow {
  color: #fff;
}
.back-to-top:hover .back-to-top-text {
  color: rgba(255, 255, 255, 0.85);
}
.back-to-top-arrow {
  font-size: 0.11458333rem;
  color: #c8a97e;
  line-height: 1;
  transition: color 0.2s;
}
.back-to-top-text {
  font-size: 0.05208333rem;
  color: #aaa;
  margin-top: 0.01041667rem;
  letter-spacing: 0.00520833rem;
  white-space: nowrap;
  transition: color 0.2s;
}
.sage-section {
  padding: 0.3125rem 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-section {
  padding: 0.3125rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section-bg.section-bg-1 {
  background: url('http://ylsfy.files.yunqinet.com/1.png') center / cover no-repeat;
}
.section-bg.section-bg-2 {
  background: url('http://ylsfy.files.yunqinet.com/2.png') center / cover no-repeat;
}
.section-bg.section-bg-3 {
  background: url('http://ylsfy.files.yunqinet.com/3.png') center / cover no-repeat;
}
.section-bg.section-bg-4 {
  background: url('http://ylsfy.files.yunqinet.com/4.png') center / cover no-repeat;
}
.section-bg.section-bg-5 {
  background: url('http://ylsfy.files.yunqinet.com/5.png') center / cover no-repeat;
}
.section-bg.section-bg-6 {
  background: url('http://ylsfy.files.yunqinet.com/6.png') center / cover no-repeat;
}