:root {
  color: #222;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 1200px; background: #fff url("assets/tope_e.jpg") center top no-repeat; font-size: 14px; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.wrap { width: 1200px; margin: 0 auto; }

.hero { height: 268px; position: relative; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; background-position: center top; background-repeat: no-repeat; opacity: 0; animation: hero-fade 18s infinite; }
.hero-slide.slide-1 { background-image: url("assets/topa_a.jpg"); animation-delay: 0s; }
.hero-slide.slide-2 { background-image: url("assets/topb_b.jpg"); animation-delay: 4.5s; }
.hero-slide.slide-3 { background-image: url("assets/topc_c.jpg"); animation-delay: 9s; }
.hero-slide.slide-4 { background-image: url("assets/tope_e.jpg"); animation-delay: 13.5s; }
@keyframes hero-fade {
  0%, 22% { opacity: 1; }
  27%, 95% { opacity: 0; }
  100% { opacity: 1; }
}

.main-nav { height: 58px; display: flex; align-items: stretch; background: linear-gradient(100deg, #2f91e4 0%, #2c9fc8 52%, #238fcf 100%); }
.main-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex: 1 1 auto; }
.main-nav li { width: 100px; }
.main-nav li a { display: grid; place-items: center; height: 58px; color: #fff; font-size: 18px; font-weight: 600; }
.main-nav li.active a, .main-nav li a:hover { background: rgba(5, 68, 105, .45); }
.search { width: 270px; height: 38px; margin: 11px 10px 0 0; position: relative; }
.search input { width: 100%; height: 38px; border: 0; border-radius: 4px; outline: 0; padding: 0 46px 0 15px; font-size: 16px; background: rgba(255, 255, 255, .78); color: #333; }
.search button { position: absolute; top: 0; right: 0; width: 42px; height: 38px; border: 0; background: transparent; cursor: pointer; }
.search button::before { content: ""; position: absolute; width: 13px; height: 13px; border: 2px solid #258ec1; border-radius: 50%; left: 8px; top: 8px; }
.search button::after { content: ""; position: absolute; width: 9px; height: 2px; background: #258ec1; transform: rotate(45deg); left: 21px; top: 22px; }

.breadcrumb { margin-top: 30px; height: 40px; border: 1px solid #c1e0eb; background: linear-gradient(#f5fcfe, #e5f7fc); display: flex; align-items: center; padding: 0 20px; color: #1783b4; }
.breadcrumb span { margin: 0 3px; }
.breadcrumb strong { margin-left: 4px; font-weight: 400; }

.article { padding: 0 67px; }
.article-header h1 { margin: 44px 0 45px; text-align: center; font-size: 30px; line-height: 1.35; font-weight: 500; color: #09598a; }
.article-meta { min-height: 47px; display: flex; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid #ddd; color: #333; padding: 0 0 20px; }
.font-tools { margin-right: 185px; white-space: nowrap; }
.font-tools button { border: 0; padding: 0; background: transparent; color: inherit; text-decoration: underline; cursor: pointer; }

.article-body { padding-top: 62px; font-family: SimSun, "Songti SC", serif; }
.article-image { display: block; width: 1050px; height: auto; margin: 0 auto; }
.article-body.font-small .article-image { width: 970px; }
.article-body.font-large .article-image { width: 1066px; }
.qr-section { text-align: center; margin-top: 28px; font-family: "Microsoft YaHei", sans-serif; }
.qr-section p { line-height: 40px; margin: 8px 0; }
.qr-placeholder { width: 150px; height: 150px; margin: 0 auto; padding: 8px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 4px; color: #111; background: repeating-linear-gradient(45deg, #111 0 5px, #fff 5px 10px); border: 8px solid #111; box-shadow: inset 0 0 0 5px #fff; }
.qr-placeholder span { display: grid; place-items: center; background: #fff; border: 4px solid #111; font: 700 14px/1 sans-serif; }
.article-actions { text-align: right; padding: 8px 100px 38px 0; }
.article-actions button { border: 0; background: transparent; font-size: 20px; cursor: pointer; }

.friend-links { display: table; width: 100%; padding-top: 65px; background: #333; }
.friend-links h2 { width: 100%; margin: 0; display: flex; align-items: center; color: #fff; text-align: center; font-size: 28px; font-weight: 400; }
.friend-links h2 i { width: 44%; height: 1px; margin-top: 1px; background: #657193; }
.friend-links h2 span { flex: 1 0 auto; padding: 0 10px; }
.link-selects { display: flex; justify-content: center; gap: 0; padding: 40px 0 35px; }
.link-selects select { width: 180px; height: 38px; margin: 0 8px; padding: 0 28px 0 8px; border: 0; color: #4b4b4b; appearance: none; background: #fff url("assets/e3212_12x10.png") 94% center no-repeat; }

.site-footer { padding: 20px 0 30px; text-align: center; color: #fff; background: #353434; }
.site-footer p { position: relative; margin: 0; color: #fff; line-height: 2; }
.site-footer a { color: #fff; }
.footer-links a { display: inline-block; margin: 0 15px 10px; }
.address-line { display: inline-block; }
.address-line .credential { position: absolute; width: 46px; height: 58px; left: -88px; top: -30px; }
.address-line .correction { position: absolute; width: 110px; height: 55px; right: -145px; top: -28px; }
.site-footer .emblem { width: 20px; height: 20px; vertical-align: -5px; }

.floating-tools { position: fixed; z-index: 60; right: calc((100% - 1200px) / 2 - 100px); top: 40%; width: 73px; }
.floating-tools > a, .floating-tools .tool-item > a { display: block; width: 73px; height: 67px; margin-top: 4px; padding-top: 6px; text-align: center; color: #fff; background: #003567; font-size: 12px; cursor: pointer; }
.floating-tools > a:first-child { margin-top: 0; }
.floating-tools a:hover { background: #2f95a2; }
.floating-tools i { display: block; width: 100%; height: 40px; background-position: center; background-repeat: no-repeat; }
.floating-tools span { display: block; color: #fff; text-align: center; font-size: 12px; }
.tool-elder { width: 50px !important; margin: 0 auto; background-image: url("assets/zzbtubiao.png"); background-size: 42px auto; }
.tool-accessible { background-image: url("assets/wzayd3811.png"); }
.tool-wechat { background-image: url("assets/3786b_38x31.png"); }
.tool-douyin { background-image: url("assets/12ab5_19x32.png"); }
.tool-weibo { background-image: url("assets/d1405_35x29.png"); }
.tool-top { background-image: url("assets/75162_25x25.png"); }
.tool-item { position: relative; }
.tool-code { display: none; position: absolute; right: 73px; top: 4px; width: 125px; padding: 6px; text-align: center; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.18); }
.tool-code img { display: block; width: 113px; height: 113px; object-fit: cover; }
.tool-code span { padding-top: 5px; color: #333; }
.tool-item:hover .tool-code { display: block; }

@media print {
  .hero, .main-nav, .breadcrumb, .friend-links, .site-footer, .floating-tools, .article-actions, .font-tools { display: none !important; }
  body { min-width: 0; }
  .wrap { width: auto; }
  .article { padding: 0; }
  .article-header h1 { margin-top: 0; }
  .article-image { width: 100%; }
}