/*! normalize.css v4.0.0 | MIT License | github.com/necolas/normalize.css */
html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body { margin: 0; }

article, aside, details, figcaption, figure, footer, header, main, menu, nav, section, summary {
  display: block;
}
a { background-color: transparent; }
a:active, a:hover { outline-width: 0; }
abbr[title] {
  border-bottom: 0;
  text-decoration: underline;
  text-decoration: underline dotted;
}
b, strong { font-weight: inherit; }
b, strong { font-weight: bolder; }
img { border-style: none; }
hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}
html, body, * { font-family: '微软雅黑'; }
a { text-decoration: none; }

.container {
  width: 1100px;
  margin: 0 auto;
}
header, section, footer { min-width: 1100px; }

.space-between {
  display: flex;
  flex-direction: row !important;
  justify-content: space-between !important;
}

/* ====== 顶部导航 ====== */
.header {
  position: relative;
  height: 60px;
  background: #ee5858;
}
.header .logo-warpper-new {
  height: 40px;
  margin: 10px 10px;
  float: left;
}
.header .logo-warpper-new img { height: 100%; }
.header .nav-warpper {
  display: inline-block;
  float: right;
  margin: 10px 0;
}
.header .nav-warpper a {
  display: inline-block;
  position: relative;
  font-size: 16px;
  color: #fff;
  margin: 10px 12px;
  text-decoration: none;
}
.header .nav-warpper a:after {
  opacity: .4;
  background: #fff;
  border-radius: 2px;
  content: '';
  position: absolute;
  left: 50%;
  top: 26px;
  width: 22px;
  height: 5px;
  margin-left: -11px;
  display: none;
}
.header .nav-warpper a.active:after { display: block; }
.header .line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  opacity: .2;
  background-color: #fff;
}
.divier {
  height: 1px;
  opacity: .1;
  background: #000;
}

/* ====== 头部标题 ====== */
.down_title1 {
  width: 100%;
  text-align: left;
  margin-left: 10px;
}
.down_title1 h1 { line-height: 20px; }
.down_title1 h2 {
  width: 100%;
  font-family: '微软雅黑';
  font-size: 1.2rem;
  color: #666666;
  font-weight: normal;
  padding: 0;
  line-height: 20px;
}
.jieshao { margin: 0 15px; }
.jieshao p {
  font-size: 14px;
  line-height: 30px;
  color: #666;
}
.djlogo {
  width: 100px;
  height: 100px;
}
.home { margin-top: 30px; }
.home .right { margin-left: 20px; }
.guanyu { margin-top: 50px; }
.title { text-align: center; }

/* ====== 页脚 ====== */
.footer {
  position: relative;
  background: #ee5858;
  color: #ffffff;
  margin-top: 100px;
}
.footer p { text-align: center; font-size: 12px; }

.thirdLine {
  height: 50px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.line {
  display: inline-block;
  width: 40px;
  height: 2px;
  background: #ffffff;
}
.txt {
  vertical-align: middle;
  display: flex;
  flex-direction: column;
  font-size: 18px;
  margin: 0 15px;
}

/* ====== 通用区块标题 ====== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
  padding: 0 15px;
}
.section-title {
  font-size: 22px;
  color: #c0392b;
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: #c0392b;
}
.section-subtitle {
  font-size: 14px;
  color: #888;
  line-height: 1.8;
  margin-top: 8px;
}

/* ============================================================
   城市导航：省 → 市 → 区县 三层折叠
   ============================================================ */
.city-nav {
  padding: 50px 15px;
  background: #f7f7f7;
}
.city-list-wrap {
  max-width: 960px;
  margin: 0 auto;
}

/* 省级 details */
.city-details {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  overflow: hidden;
  transition: all 0.2s;
  margin-bottom: 12px;
}
.city-details[open] {
  border-color: #c0392b;
  box-shadow: 0 4px 12px rgba(192, 57, 43, 0.08);
}
.city-details summary {
  cursor: pointer;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  font-size: 15px;
  color: #333;
  font-weight: 600;
  user-select: none;
}
.city-details summary::-webkit-details-marker { display: none; }
.city-details summary::after {
  content: '+';
  font-size: 18px;
  color: #c0392b;
  font-weight: 400;
  margin-left: 10px;
}
.city-details[open] summary::after { content: '−'; }
.city-details summary:hover { background: #fafafa; }

.city-province-name { flex: 1; }
.city-count {
  font-size: 12px;
  color: #999;
  font-weight: 400;
  margin-right: 4px;
}

/* 省级面板内容：多列布局 */
.city-body {
  padding: 16px 18px 18px;
  border-top: 1px solid #f0f0f0;
  background: #fcfcfc;
  column-count: 2;
  column-gap: 24px;
}
.city-group {
  break-inside: avoid;
  margin-bottom: 14px;
}
.city-group:last-child { margin-bottom: 0; }

.city-group-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px;
  padding-left: 8px;
  border-left: 3px solid #c0392b;
  line-height: 1.4;
}
.city-group-title a {
  color: #c0392b;
  text-decoration: none;
}
.city-group-title a:hover { text-decoration: underline; }

/* 区县列表 */
.city-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.city-list li { margin: 0; }
.city-list a {
  display: inline-block;
  padding: 4px 10px;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  color: #555;
  text-decoration: none;
  font-size: 12px;
  transition: all 0.2s;
}
.city-list a:hover {
  background: #c0392b;
  color: #fff;
  border-color: #c0392b;
}

/* ====== App 头部 ====== */
.app-header {
  display: flex;
  align-items: center;
  padding: 30px 15px 0;
  max-width: 960px;
  margin: 0 auto;
}
.app-logo {
  width: 80px !important;
  height: 80px;
  border-radius: 12px;
  margin: 0 !important;
  flex-shrink: 0;
}
.app-info {
  margin-left: 20px;
  flex: 1;
}
.app-info h1 {
  font-size: 22px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
}
.app-info h2 {
  font-size: 15px;
  color: #888;
  font-weight: normal;
}
.app-desc {
  padding: 20px 15px 0;
  max-width: 960px;
  margin: 0 auto;
}
.app-desc p {
  font-size: 15px;
  line-height: 1.8;
  color: #666;
}

/* ====== 下载入口（PC） ====== */
.download-section {
  padding: 30px 15px 0;
  max-width: 960px;
  margin: 0 auto;
}
.download-title {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}
.download-title .line {
  flex: 1;
  height: 1px;
  background: #ee5858;
  max-width: 100px;
  display: inline-block;
}
.download-title .txt {
  padding: 0 20px;
  font-size: 20px;
  color: #ee5858;
  font-weight: 600;
  margin: 0;
  flex-direction: row;
}
.download-list {
  display: flex;
  justify-content: center;
  gap: 60px;
}
.download-item { text-align: center; }
.download-label {
  font-size: 16px;
  color: #222;
  font-weight: 500;
  margin-bottom: 18px;
}
.download-img {
  width: 140px;
  height: 140px;
  margin: 0 auto 14px;
  border-radius: 12px;
  overflow: hidden;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.download-img img {
  width: 100% !important;
  height: 100%;
  object-fit: cover;
  margin: 0 !important;
}
.download-tip {
  font-size: 13px;
  color: #999;
}

/* ====== 下载区（.banben 系列） ====== */
.banben ul { display: block; }
.banben ul li {
  list-style: none;
  float: left;
  text-align: center;
  margin: 0 20px;
}
.erweima1 { width: 120px; height: 120px; }
.erweima2 { width: 120px; height: 120px; display: none; }
.banben ul li:hover .erweima1 { display: none; }
.banben ul li:hover .erweima2 { display: block; }
.tishi { font-size: 12px; display: none; }
.banben ul li:hover .tishi { display: block; }

/* ====== 手机展示图 ====== */
.cellphone {
  width: 500px;
  height: auto;
}

/* ====== 信息区 ====== */
.infomation { padding: 30px 0; }
.down_title { text-align: center; }

/* ====== 重点城市快捷入口 ====== */
.quick-city-nav {
  padding: 30px 15px;
  background: #fff;
  max-width: 960px;
  margin: 0 auto;
}
.quick-city-nav .section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 20px;
}
.quick-city-nav .section-title {
  font-size: 20px;
  color: #c0392b;
  font-weight: 600;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}
.quick-city-nav .section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 2px;
  background: #c0392b;
}
.quick-city-nav .section-subtitle {
  font-size: 13px;
  color: #888;
  margin-top: 8px;
}
.quick-city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.quick-city-list a {
  display: inline-block;
  padding: 6px 14px;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 4px;
  color: #333;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}
.quick-city-list a:hover {
  background: #c0392b;
  color: #fff;
  border-color: #c0392b;
}

/* ====== AI 专用平铺城市列表：视觉隐藏，HTML 可见 ====== */
.ai-city-index {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}