* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: #333; background: #f2f2f2; line-height: 1.6; letter-spacing: .034em;
}
a { color: #607fa6; text-decoration: none; }

/* 文章容器 */
.rich_media_inner { max-width: 640px; margin: 0 auto; background: #f2f2f2; }
.rich_media_area_primary { padding: 25px 15px; background: #fff; }

.rich_media_title { font-size: 18px; font-weight: 700; line-height: 1.4; color: #333; padding-bottom: 10px; }
.rich_media_meta_list { font-size: 15px; color: #8c8c8c; margin-bottom: 18px; }
.rich_media_meta { margin-right: 8px; }
.rich_media_meta_nickname a { color: #576b95; }

/* 正文 */
.rich_media_content { font-size: 16px; color: #3f3e3f; }
.rich_media_content p { margin: 1em 0; line-height: 1.8; }
.paimg { padding: 10px 0; }
.paimg img, .rich_media_content img { width: 100%; display: block; }
.red { color: #e02e24; font-weight: 700; }
.lanse { color: #576b95; }
.ccyy { color: #333; }

/* 阅读 / 精选留言 */
.box3 { position: relative; text-align: center; }
.xian3 { height: 1px; width: 40%; margin-top: 10px; background: #000; position: absolute; top: 3px; }
.xian3-1 { right: 0; }
.box3 h6 { text-align: center; margin: 0; padding-bottom: 20px; }

.cmnt_item { padding: 12px 0; border-top: 1px solid #eee; }
.cmnt_top { display: flex; align-items: center; margin-bottom: 6px; }
.cmnt_top img { width: 32px; height: 32px; border-radius: 50%; margin-right: 8px; }
.cmnt_nick { font-style: normal; font-weight: 600; color: #576b95; font-size: 14px; }
.cmnt_text { font-size: 15px; color: #333; line-height: 1.6; margin: 4px 0; }

/* 滚动到底悬浮条 */
#openWx {
  display: none; position: fixed; bottom: 0; left: 0; width: 100%;
  padding: 15px 0; text-align: center; z-index: 9998;
  background: -webkit-linear-gradient(135deg, orange, #fc1);
  background: linear-gradient(135deg, orange, #fc1);
}
.openss {
  display: inline-block; color: #f00; font-weight: bold; font-size: 28px;
  -webkit-animation: tobig 2.4s linear infinite alternate;
  animation: tobig 2.4s linear infinite alternate;
}
@keyframes tobig {
  0% { transform: scale(1); } 18% { transform: scale(1.05); } 32% { transform: scale(1); }
  48% { transform: scale(1.05); } 64% { transform: scale(1); } 80% { transform: scale(1.05); } 100% { transform: scale(1); }
}

/* 问答弹层 */
.chatContainer {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 640px; height: 100vh; padding: 0 12px;
  z-index: 9999; display: none; overflow: auto; background: #eee;
}
.chatContainer::-webkit-scrollbar { display: none; }
.chat { padding: 0 19px; margin: 0 auto; }
.list { display: flex; flex-direction: column; padding-bottom: 160px; }
.list-item-left, .list-item-right { display: flex; margin: 8px 0; align-items: flex-start; }
.avatar { width: 40px; margin-right: 4px; border-radius: 0; }
.rigava { margin-left: 4px; }
.dialog { position: relative; }
.dialog::after {
  content: '张维浩'; position: absolute; left: -10px; top: -25px;
  color: #000; font-size: 12px; font-weight: 500; line-height: 0; letter-spacing: 0;
}
.list-item-left > div {
  max-width: 280px; margin-top: 16px; padding: 8px; background: #fff;
  border-radius: 0 8px 8px 8px; letter-spacing: 1.8px; line-height: 150%;
  font-weight: 800; font-size: 18px;
}
.list-item-right > div {
  margin-left: auto; background: #a0e75a; color: #000; padding: 8px;
  border-radius: 5px 0 8px 5px; letter-spacing: 1.8px; line-height: 150%;
  font-weight: 500; font-size: 16px;
}
.options { display: flex; flex-wrap: wrap; justify-content: center; width: 100%; box-sizing: border-box; }
.options > div, .options-item {
  background: #ad160b; color: #fff; border-radius: 3px; flex-shrink: 0;
  font-size: 13px; width: calc(50% - 16px); text-align: center; padding: 8px;
  margin: 8px; word-wrap: break-word; word-break: break-all; box-sizing: border-box;
}
.a_btn { background: #ad160b; border-radius: 32px; text-align: center; color: #fff; margin-top: 12px; padding: 8px 0; }
.hide { display: none !important; }
.sliderUp { animation: sliderUp .3s ease; }
@keyframes sliderUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }