/* ==========================================================================
   tele.css — Home (hero + info-belt + features) + 固定页眉(#vtHeader)
   ========================================================================== */

/* ========== 基础排版 ========== */
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#111827;
  background:#f7f8fa;  /* 页面灰底；首屏为白底容器 */
  line-height:1.6;
}
a{color:inherit;text-decoration:none}

/* 可视无障碍隐藏 */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;
  white-space:nowrap;clip:rect(0 0 0 0);clip-path:inset(50%);border:0;
}

/* ========== 设计变量 ========== */
:root{
  --tg-blue:#229ED9;
  --tg-blue-600:#1f56cf;

  /* 首屏 */
  --hero-maxw:1240px;
  --hero-top-pad:42px;
  --hero-bottom-pad:44px;

  /* tabs（外框/内卡片） */
  --tabs-w:640px;
  --tabs-h:60px;
  --tabs-pad:4px;
  --tabs-gap:4px;
  --tabs-radius:14px;

  --tab-h:52px;
  --tab-radius:10px;
  --tab-font:16px;

  /* 两栏布局比例 */
  --col-gap:100px;
  --img-w-adios:560px;
  --img-w-pc:600px;

  /* 文案与按钮 */
  --title-size:34px;
  --meta-size:16px;
  --btn-h:58px;

  /* 其它 */
  --ink-600:#444E5C;
  --ink-700:#2b2e36;
  --ink-900:#021c31;
  --tg-grey:#EEF3F7;
}

/* ========== 第一屏容器 ========== */
.section-white{background:#fff}
.dl-hero.section-white{
  padding-top:var(--hero-top-pad);
  padding-bottom:180px;
}
.dl-hero .wrap{max-width:var(--hero-maxw);margin:0 auto}

/* 顶部平台切换 */
.dl-hero .dl-tabs{
  width:var(--tabs-w);height:var(--tabs-h);
  margin:18px auto 72px;
  padding:var(--tabs-pad);
  background:var(--tg-grey);
  border-radius:var(--tabs-radius);
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--tabs-gap);
  box-shadow:inset 0 0 0 1px rgba(16,24,40,.04);
  box-sizing:border-box;overflow:hidden;
}
.dl-hero .dl-tab{
  height:var(--tab-h);
  border-radius:var(--tab-radius);
  background:#EEF1F5;
  color:#606B7A;
  font-weight:600;font-size:var(--tab-font);letter-spacing:.2px;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:0;outline:0;cursor:pointer;
  transition:background .18s,color .18s,box-shadow .18s;
  font-family:"PingFang SC","Helvetica Neue",Arial,sans-serif;
}
.dl-hero .dl-tab:hover{background:rgba(255,255,255,.82);color:var(--tg-blue)}
.dl-hero .dl-tab .dl-ico img{width:20px;height:20px;display:block;filter:grayscale(1) brightness(.78)}
.dl-hero .dl-tab.is-active{
  background:#fff;color:var(--tg-blue);
  box-shadow:0 1px 0 rgba(16,24,40,.06),0 6px 14px rgba(16,24,40,.08);
}
.dl-hero .dl-tab.is-active .dl-ico img{
  filter:brightness(0) saturate(100%) invert(47%) sepia(94%) saturate(668%) hue-rotate(157deg) brightness(95%) contrast(101%);
}

/* 面板切换 */
.dl-panel{display:none}
.dl-panel.is-active{display:block}

/* 左右两栏 */
.dl-hero .dl-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  column-gap:var(--col-gap);
  row-gap:24px;
}

/* 左图尺寸 */
#panel-ad  .dl-media img,
#panel-ios .dl-media img{width:var(--img-w-adios)!important;height:auto!important;display:block}
#panel-pc  .dl-media img{width:var(--img-w-pc)!important;height:auto!important;display:block}

/* 右侧文案 */
.dl-hero .dl-title{
  font-size:var(--title-size);line-height:1.28;color:var(--ink-900);
  margin:0 0 16px;font-weight:800;
}
.dl-hero .dl-meta{margin:0 0 22px;padding:0;list-style:none}
.dl-hero .dl-meta li{margin:8px 0;color:#4a4f59;font-size:var(--meta-size)}

/* 立即下载按钮 */
.dl-hero .dl-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:var(--btn-h);padding:0 34px;border-radius:14px;
  background:var(--tg-blue);color:#fff;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(34,158,217,.22);
  transition:transform .12s,box-shadow .12s,filter .12s;
  margin:22px 0 26px;
  font-size:17px;
}
.dl-hero .dl-btn:hover{transform:translateY(-1px);filter:brightness(1.03)}

/* 下载前必读 */
.dl-hero .dl-note{
  margin-top:26px;background:#f2f6ff;border-radius:10px;
  padding:20px 24px 22px;color:#475467;border:1px solid rgba(34,158,217,.18);
  max-width:540px;
}
.dl-hero .dl-note_head{font-weight:700;color:var(--tg-blue);margin:0 0 12px;line-height:1.35;white-space:nowrap}
.dl-hero .dl-note ul{margin:0;padding-left:22px}
.dl-hero .dl-note li{margin:18px 0;line-height:2}

/* ========== 信息带 ========== */
.belt{
  background:#fff;
  padding:56px 0;
  border-top:1px solid rgba(16,24,40,.08) !important;
  border-bottom:1px solid rgba(16,24,40,.08) !important;
  box-shadow:none !important;

  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  text-align:center;
}
.belt .wrap{max-width:1200px;margin:0 auto;padding:0}
.belt__card{
  background:#fff !important;border:0 !important;border-radius:0 !important;box-shadow:none !important;
  max-width:1200px;margin:0 auto;padding:28px 0 !important;
}
.belt__title{
  margin:0 0 12px;font-size:32px;font-weight:800;color:var(--tg-blue) !important;
  background:transparent !important;border:0 !important;
}
.belt__desc{
  margin:0 auto;max-width:960px;
  font-size:15px;line-height:1.9;color:#475467;text-align:center;display:block;width:100%;
  padding:0 16px;
}

/* ========== 第二屏：为什么选择（九宫格） ========== */
.section--features{background:#f7f8fb;padding:160px 0;}
.section--features .wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.features__head{text-align:center;margin:0 0 80px;}
.features__title{margin:0 0 8px;font-weight:800;font-size:28px;line-height:1.25;letter-spacing:.2px;color:#1f2329}
.features__sub{margin:0 auto;max-width:640px;font-size:14px;line-height:1.7;color:#667085}
.feature-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border-radius:16px;padding:26px 18px 22px;text-align:center;box-shadow:0 6px 18px rgba(17,24,39,.06);transition:transform .18s,box-shadow .18s}
.feature-card:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(17,24,39,.08)}
.feature-card__img{display:block;width:132px;height:auto;margin:4px auto 10px}
.feature-card__title{margin:6px 0 4px;font-weight:700;font-size:17px;color:#111827}
.feature-card__text{margin:0;font-size:14px;line-height:1.7;color:#6b7280}

/* ========== 响应式（PC 与通用） ========== */
@media (min-width:1200px){
  .dl-hero .dl-btn{height:58px}
}
@media (max-width:1199px){
  .dl-hero .dl-title{font-size:30px}
  .dl-hero .dl-btn{height:50px;padding:0 26px}
}
@media (max-width:1024px){
  .dl-hero .dl-tabs{width:min(92vw,640px);margin-bottom:52px}
  .dl-hero .dl-grid{grid-template-columns:1fr;text-align:center;row-gap:26px}
  .dl-hero .dl-media img{margin:0 auto;max-width:min(92vw, var(--img-w-adios))}
  .belt__title{font-size:28px}
  .belt__desc{font-size:14px}
}
@media (max-width:640px){
  .dl-hero.section-white{padding-top:28px;padding-bottom:96px}
  .dl-hero .dl-tabs{width:92vw;height:56px;padding:3px;gap:4px;margin:12px auto 40px}
  .dl-hero .dl-tab{height:50px;border-radius:9px;font-size:15px}
  .dl-hero .dl-tab .dl-ico img{width:18px;height:18px}
  .dl-hero .dl-title{font-size:24px}
  .belt{padding:40px 0}
  .belt__title{font-size:24px}
}

/* ===== 统一官方蓝 ===== */
.dl-hero .dl-btn{background:var(--tg-blue)!important;border-color:var(--tg-blue)!important;color:#fff!important}
.dl-hero .dl-tab{background:#EEF1F5;color:#606B7A}
.dl-hero .dl-tab:hover{background:rgba(255,255,255,.82)!important;color:var(--tg-blue)!important}
.dl-hero .dl-tab.is-active{background:#fff!important;color:var(--tg-blue)!important;box-shadow:0 1px 0 rgba(16,24,40,.06),0 6px 14px rgba(16,24,40,.08)!important}
.dl-hero .dl-note_head{color:var(--tg-blue)!important;background:transparent!important;border:0!important}

/* ========== 固定真正的页眉（#vtHeader） ========== */
:root{ --header-h: 64px; }
#vtHeader{
  position:fixed!important;top:0;left:0;right:0;z-index:9999;background:#fff;border-bottom:1px solid #eee;box-shadow:0 2px 6px rgba(0,0,0,.05);
}
body{ padding-top:var(--header-h)!important; }
@media (max-width:768px){ :root{ --header-h:72px; } }

/* ==== News（列表页）命名空间：#vtNews ==== */
#vtNews{ background:#fff; padding:72px 0; }
#vtNews .wrap{ max-width:1200px; margin:0 auto; padding:0 16px; }
#vtNews .breadcrumbs{ color:#6b7280; font-size:13px; padding:10px 0 0; }
#vtNews .news__head{ text-align:center; margin:0 0 32px; }
#vtNews .news__title{ margin:0; font-size:28px; font-weight:800; color:#111827; }
#vtNews .news-grid{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media (max-width:1024px){ #vtNews .news-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ #vtNews .news-grid{ grid-template-columns:1fr; } }
#vtNews .news-card{ background:#fff; border:1px solid rgba(16,24,40,.08); border-radius:14px; overflow:hidden; box-shadow:0 6px 18px rgba(17,24,39,.06); transition:transform .18s, box-shadow .18s; display:flex; flex-direction:column; min-height:100%; }
#vtNews .news-card:hover{ transform:translateY(-2px); box-shadow:0 10px 22px rgba(17,24,39,.08); }
#vtNews .news-thumb{ position:relative; width:100%; height:160px; overflow:hidden; background:#f5f7fb; }
#vtNews .news-thumb img{ width:100%!important; height:100%!important; object-fit:cover!important; display:block; }
#vtNews .news-body{ padding:14px 16px 16px; display:flex; flex-direction:column; gap:8px; }
#vtNews .news-title{ margin:0; font-size:16px; font-weight:700; line-height:1.45; color:#111; }
#vtNews .news-title a{ color:inherit; text-decoration:none; }
#vtNews .news-title a:hover{ color:var(--tg-blue,#229ED9); }
#vtNews .news-excerpt{ margin:0; color:#667085; line-height:1.7; font-size:13px; }
#vtNews .news-meta{ margin-top:4px; display:flex; align-items:center; justify-content:space-between; color:#94a3b8; font-size:12px; }
#vtNews .news-meta .more{ color:var(--tg-blue,#229ED9); text-decoration:none; }
#vtNews .news-meta .more:hover{ text-decoration:underline; }

/* 分页（图二风格） */
#vtNews .news-pager{ margin-top:28px; display:flex; justify-content:center; flex-wrap:wrap; gap:0; }
#vtNews .news-pager .pageinfo{ display:none; }
#vtNews .news-pager a, #vtNews .news-pager span{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:64px; height:44px; padding:0 18px; margin-left:-1px;
  border:1px solid #E5E7EB; background:#fff; color:#229ED9;
  font-size:16px; text-decoration:none; user-select:none;
}
#vtNews .news-pager a:first-child, #vtNews .news-pager span:first-child{ border-top-left-radius:6px; border-bottom-left-radius:6px; margin-left:0; }
#vtNews .news-pager a:last-child,  #vtNews .news-pager span:last-child { border-top-right-radius:6px; border-bottom-right-radius:6px; }
#vtNews .news-pager a:hover{ background:#F5FBFF; }
#vtNews .news-pager span.current{ background:#1F6FA9; color:#fff; border-color:#1F6FA9; }

/* ===== 仅隐藏旧主题头，保留我们的 #vtHeader ===== */
body > header:not(#vtHeader){ display:none!important; }
#vtHeader{ display:block!important; position:fixed!important; top:0; left:0; right:0; z-index:9999; background:#fff; border-bottom:1px solid #eee; box-shadow:0 2px 6px rgba(0,0,0,.05); }
:root{ --header-h:64px; } body{ padding-top:var(--header-h)!important; }
@media (max-width:768px){ :root{ --header-h:72px; } }

/* ===== 新闻列表分页（另一种结构兼容） ===== */
.news__pager{ margin-top:28px; text-align:center; }
.news__pager .pageinfo{ display:inline-block; font-size:0; line-height:0; }
.news__pager .pageinfo a, .news__pager .pageinfo span{
  font-size:14px; line-height:36px; min-width:36px; height:36px; padding:0 10px; margin:0 4px; display:inline-block;
  border:1px solid rgba(16,24,40,.12); border-radius:10px; background:#fff; color:#475467; text-decoration:none; user-select:none; vertical-align:middle;
}
.news__pager .pageinfo a:hover{ border-color:#229ED9; color:#229ED9; }
.news__pager .pageinfo span{ background:#1F6FA9; color:#fff; border-color:#1F6FA9; font-weight:700; }

/* —— News pagebar 通用 —— */
.news-pager{ margin-top:28px; display:flex!important; visibility:visible!important; justify-content:center; flex-wrap:wrap; gap:8px; }
.news-pager .page-status{ display:none!important; }
.news-pager a, .news-pager span{
  display:inline-flex!important; align-items:center; justify-content:center; min-width:36px; height:36px; line-height:36px; padding:0 10px;
  border:1px solid rgba(16,24,40,.12); border-radius:10px; background:#fff; color:#475467; text-decoration:none; font-size:14px;
}
.news-pager a:hover{ border-color:#229ED9; color:#229ED9; }
.news-pager .page-num-current, .news-pager span.current{ background:#229ED9; color:#fff; border-color:#229ED9; font-weight:700; }
.breadcrumbs{ margin:0 auto 24px!important; max-width:1200px; padding:10px 16px 0; color:#6b7280; font-size:13px; }
.news-grid{ margin-bottom:10px; }

/* ===== 首页第三屏：新闻中心（PC基线） ===== */
.section--news{background:#fff;padding:56px 0}
.section--news .wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.news__title{margin:0 0 18px;font-size:22px;font-weight:800;color:#0f172a}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0;padding:0;list-style:none}
@media (max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr}}
.news-card{background:#fff;border:1px solid #E5E7EB;border-radius:14px;overflow:hidden;box-shadow:0 8px 20px rgba(2,28,49,.05);transition:transform .18s, box-shadow .18s}
.news-card:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(17,24,39,.08)}
.news-card__link{display:block;color:inherit;text-decoration:none}
.news-card__thumb{position:relative;aspect-ratio:16/9;background:#f8fafc;overflow:hidden}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;display:block}
.news-card__date{position:absolute;left:12px;top:12px;background:rgba(0,0,0,.75);color:#fff;border-radius:10px;padding:6px 8px;font-weight:700;line-height:1;display:flex;gap:2px;font-size:13px}
.news-card__date .d{font-size:18px;line-height:1.1}
.news-card__title{margin:12px 14px 6px;font-size:16px;line-height:1.35;font-weight:800;color:#0f172a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__excerpt{margin:0 14px 12px;color:#64748b;font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__more{display:inline-block;margin:0 14px 14px;color:#229ED9;font-size:13px}
.news-card__link:hover .news-card__more{text-decoration:underline}
.news__more{display:flex;justify-content:center;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn--outline{border:1px solid #cbd5e1;color:#229ED9;background:#fff}
.btn--outline:hover{border-color:#229ED9}
.section--news .news__title{text-align:center;font-size:26px;font-weight:800;color:#0f172a;margin:0 0 28px}
@media (min-width:768px){.section--news .news__title{font-size:28px;margin-bottom:32px}}
.section--news .news__more{margin-top:22px;display:flex;flex-direction:column;align-items:center;gap:10px}
.section--news .news__line{margin:0;text-align:center;color:#475569;font-size:14px;line-height:1.6}
.section--news .news__download{color:#229ED9;font-weight:700;text-decoration:none}
.section--news .news__download:hover{text-decoration:underline}
.news__download-tip{margin:36px 0 12px;text-align:center;font-size:26px;font-weight:700;color:#111}
.news__download-link{text-align:center;font-size:16px;margin-top:6px}
.news__download-link a{color:#229ED9;text-decoration:none}
.news__download-link a:hover{text-decoration:underline}

/* ============ Footer（PC基线） ============ */
.site-foot{background:#f7f8fb;border-top:1px solid #e5e7eb;margin-top:56px;color:#475467;font-size:14px}
.site-foot .wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.foot-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.2fr;gap:32px;padding:36px 0 28px}
.foot-title{display:block;font-size:16px;font-weight:700;color:#111827;margin-bottom:12px}
.foot-info p{margin:0;line-height:1.75;color:#667085}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{margin:8px 0}
.foot-list a{color:#475467;text-decoration:none}
.foot-list a:hover{color:#229ED9;text-decoration:underline}
.foot-qrcode{text-align:center}
.foot-qrcode img{width:148px;height:148px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 1px 3px rgba(16,24,40,.06);margin-bottom:8px}
.foot-qrcode .foot-links{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.foot-qrcode .foot-links a{color:#475467;text-decoration:none;font-size:13px}
.foot-qrcode .foot-links a:hover{color:#229ED9}
.copy{background:#f1f2f6;border-top:1px solid #e5e7eb;font-size:13px;color:#667085}
.copy .wrap{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px}
.copy a{color:#667085;text-decoration:none}
.copy a:hover{color:#229ED9}
@media (max-width:1024px){ .foot-main{grid-template-columns:1.6fr 1fr 1fr 1fr} .foot-qrcode{grid-column:1 / -1} }
@media (max-width:720px){
  .foot-main{grid-template-columns:1fr 1fr;gap:20px;padding:28px 0 18px}
  .foot-qrcode img{width:128px;height:128px}
  .copy .wrap{flex-direction:column;gap:6px;text-align:center}
}

/* ==== PC 端头部对齐修复（仅 ≥900px 生效，不动 PC） ==== */
@media (min-width:900px){
  #vtHeader .vt-wrap{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:16px}
  #vtHeader .vt-nav{display:flex!important;align-items:center;gap:28px!important;white-space:nowrap}
  #vtHeader .vt-nav a, #vtHeader .vt-cta{white-space:nowrap}
  #vtBurger{display:none!important}
}

/* ======================================================================
   仅手机端（≤899px）汇总精简 —— 不影响 PC
   解决三条杠位置、去掉“灰条”、Tabs更贴近、说明不溢出、新闻单列、页脚易读
   ====================================================================== */
@media (max-width:899px){

  /* 1) 根元素与容器：禁止横向滚动，统一内边距 */
  html,body{width:100%!important;max-width:100%!important;overflow-x:hidden!important}
  body *{box-sizing:border-box}
  section, main, .wrap{width:100%!important;max-width:100%!important;margin:0 auto;padding-left:16px;padding-right:16px}

  /* 2) 头部：隐藏 PC 导航/下载；显示并定位汉堡；去除“灰条” */
  #vtHeader .vt-nav, #vtHeader .vt-cta{display:none!important}
  #vtHeader{height:56px!important;border-bottom:0!important;box-shadow:none!important;position:sticky;top:0;z-index:1000;background:#fff}
  #vtHeader .vt-wrap{height:56px!important;padding:0 16px!important;position:relative!important}
  #vtHeader + *{border-top:0!important;box-shadow:none!important;background-image:none!important}

  /* 三条杠（SVG款）右上角垂直居中 */
  #vtBurger{
    display:inline-flex!important;position:absolute!important;right:12px!important;top:50%!important;transform:translateY(-50%)!important;
    width:40px!important;height:40px!important;padding:0!important;align-items:center;justify-content:center;
    border:1px solid #e5e7eb;border-radius:12px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);z-index:1001!important;
  }
  #vtBurger svg{width:22px!important;height:16px!important;display:block}
  #vtBurger rect{fill:#229ED9!important}

  /* 3) 首屏与 Tabs：更贴近头部，移除自身阴影/边框 */
  .dl-hero.section-white{padding-top:16px!important}
  .dl-hero .wrap{padding-top:8px!important}
  .dl-tabs{margin-top:8px!important;background:#fff!important;border:0!important;box-shadow:none!important}

  /* 4) 下载前必读：不溢出、可换行、两侧留白 */
  .dl-note{
    max-width:100%!important;margin-left:auto!important;margin-right:auto!important;
    padding-left:14px!important;padding-right:14px!important;overflow-wrap:anywhere;word-break:break-word;white-space:normal!important;
  }
  .dl-note_head{white-space:normal!important;overflow-wrap:anywhere;word-break:break-word}

  /* 5) 首页“为什么选择”两列栅格 + 居中 */
  .is-home .wrap{padding-left:16px;padding-right:16px}
  .is-home .feature-grid{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;column-gap:12px;row-gap:14px}
  .is-home .feature-card{width:100%!important}
  .is-home .features__head,.is-home .features__title,.is-home .features__sub{text-align:center}

  /* 6) 新闻：列表强制一列，封面高度适中（兼容多种类名） */
  #vtNews .news-grid, .news-grid, .news-list, .list-news{
    display:grid!important;grid-template-columns:1fr!important;gap:16px!important;padding-left:16px;padding-right:16px
  }
  #vtNews .news-card, .news-card{width:100%!important;min-width:0!important}
  #vtNews .news-thumb, .news-card__thumb{height:180px!important;overflow:hidden}
  #vtNews .news-thumb img, .news-card__thumb img{width:100%!important;height:100%!important;object-fit:cover!important;display:block}

  /* 7) 页脚：单列化，字号与间距更友好 */
  .site-foot .foot-main{display:block!important;padding:12px 16px!important}
  .site-foot .foot-title{display:block;font-size:16px!important;margin:10px 0 6px!important}
  .site-foot .foot-list{margin:0 0 10px!important}
  .site-foot .foot-info p{font-size:14px!important;line-height:1.7}
  .site-foot .foot-about,.site-foot .foot-apps,.site-foot .foot-open{margin-bottom:12px!important}
  .site-foot .foot-qr img{display:block;margin:8px auto 12px;max-width:160px;height:auto}
  .site-foot .copyright{text-align:center;padding:10px 0 14px;font-size:13px;color:#6b7280}

  /* 8) 其他手机端微调 */
  .dl-btn{display:block;width:228px;max-width:80%;margin:12px auto 16px!important}
  .dl-grid{display:block!important;width:100%!important}
  .dl-media{width:100%!important;max-width:100%!important;margin:0 auto 14px!important}
  .dl-media img{display:block;max-width:100%!important;height:auto!important;margin:0 auto}
}

/* PC 端确保不出现汉堡 */
@media (min-width:900px){ #vtBurger{display:none!important} }

/* === 小屏排版增强（可留） === */
:root{
  --fs-body: clamp(15px, 1.9vw, 16px);
  --fs-h1: clamp(22px, 5.5vw, 28px);
  --fs-h2: clamp(18px, 4.6vw, 22px);
  --fs-h3: clamp(16px, 3.8vw, 18px);
  --space: clamp(12px, 3.2vw, 20px);
}
@media (max-width:640px){
  body{font-size:var(--fs-body)}
  h1,.post-title{font-size:var(--fs-h1)}
  h2{font-size:var(--fs-h2)}
  h3{font-size:var(--fs-h3)}
  .post-main{padding-left:14px;padding-right:14px}
}
.post-content h2,.post-content h3{scroll-margin-top:72px}
img{height:auto;max-width:100%}
.rec-cover,.card-cover,.thumb,.post-content img{object-fit:cover}
.rec-cover{aspect-ratio:16/9}
.post-content img{border-radius:4px}
.post-content table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.post-content th,.post-content td{white-space:nowrap}
.post-content pre{overflow-x:auto;-webkit-overflow-scrolling:touch}
a.button,.btn,button{min-height:44px;padding:12px 16px}
input,select,textarea{font-size:16px}
*{-webkit-tap-highlight-color:transparent}
.sticky,.fixed-bottom{padding-bottom:env(safe-area-inset-bottom)}
/* === Mobile fix #1：去掉 header 灰条（≤899px） === */
@media (max-width: 899px){
  #vtHeader{
    border-bottom: 0 !important;      /* 覆盖 header 内联的边框 */
    box-shadow: none !important;       /* 覆盖任何阴影 */
  }
  #vtHeader .vt-wrap{
    border-bottom: 0 !important;
    box-shadow: none !important;
  }
  /* 避免紧跟 header 的下一个区块自己再画顶边线/阴影 */
  #vtHeader + *{
    border-top: 0 !important;
    box-shadow: none !important;
    background-image: none !important;
  }
}

/* === Mobile fix #2：下载页 tabs 居中（≤899px） === */
@media (max-width: 899px){
  /* 确保容器左右内边距对称 */
  .dl-hero .wrap{ padding-left:16px !important; padding-right:16px !important; }

  /* 强制让 tabs 在父容器中绝对居中（不受其它布局影响） */
  .dl-hero .dl-tabs{
    width: min(92vw, 640px) !important;
    position: relative !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin: 12px 0 24px !important;   /* 上下间距自定 */
  }
}
/* === 手机端：小鸭子固定两列，只显示前 8 个（兜底写法） === */
@media (max-width: 899px){
  /* 两列栅格 */
  .section--features .feature-grid{
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
  .section--features .feature-card{ 
    width: 100% !important; 
    box-sizing: border-box !important;
  }

  /* 只保留前 8 个：第 9 个及之后全部隐藏 */
  .section--features .feature-grid > *:nth-child(n+9){
    display: none !important;
  }

  /* 兜底：如果容器类名不是完全一致，也一起命中 */
  [class*="feature"][class*="grid"] > *:nth-child(n+9){
    display: none !important;
  }
}
/* =======================
   手机端新闻卡片样式优化
   ======================= */
@media (max-width: 899px) {
  /* 新闻卡片容器 */
  .news-card {
    width: 100% !important;      /* 占满屏幕 */
    max-width: 100% !important;  /* 防止残留固定宽度 */
    margin: 0 auto 20px auto;    /* 居中并留底部间距 */
    box-sizing: border-box;
    padding: 0 12px;             /* 左右留点安全间距 */
  }

  /* 卡片内图片居中 */
  .news-card img {
    display: block;       /* 转块级元素 */
    margin: 0 auto;       /* 居中 */
    max-width: 100%;      /* 不超出容器 */
    height: auto;         /* 保持比例 */
  }

  /* 卡片标题文字 */
  .news-card h3,
  .news-card p {
    text-align: center;   /* 居中文本 */
  }
}
/* ===== 手机端 · 新闻卡片图片强制居中（不影响PC） ===== */
@media (max-width: 899px){

  /* 兼容两种结构：.news-card__thumb img 和 #vtNews .news-thumb img */
  .news-card__thumb img,
  #vtNews .news-thumb img,
  .news-card img{
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;

    /* 仍用 cover，但裁切点固定在正中，而不是被别的样式改成 left/right */
    object-fit: cover !important;
    object-position: center center !important;

    /* 清掉可能导致“向右偏”的遗留样式 */
    float: none !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
  }

  /* 容器本身保证是满宽且不带奇怪的内边距偏移 */
  .news-card__thumb,
  #vtNews .news-thumb{
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    text-align: center !important;   /* 兜底（少数主题会影响对齐） */
  }
}
/* ===== 新闻中心 · 手机端（≤899px）矩形卡片 & 居中对齐修正 —— 仅手机端 ===== */
@media (max-width: 899px) {

  /* A) 取消列表容器的二次左右内边距，避免看起来“整体偏右” */
  #vtNews .news-grid, .news-grid, .news-list, .list-news{
    padding-left: 0 !important;   /* 覆盖原来的 16px 内边距 */
    padding-right: 0 !important;  /* 交给外层 section/.wrap 处理留白 */
  }

  /* B) 卡片回归“矩形排版”：卡片本身有内边距，封面不再顶到圆角处 */
  .news-card{
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 0 20px 0 !important; /* 去掉 auto 居中导致的错觉 */
    padding: 12px !important;      /* 恢复内边距做“矩形留白” */
    border-radius: 14px !important;
    overflow: hidden;               /* 保险：裁剪内部溢出 */
    box-sizing: border-box;
  }

  /* C) 缩略图容器：做成“矩形块”放在卡片内，不贴边 */
  .news-card__thumb,
  #vtNews .news-thumb{
    height: clamp(150px, 42vw, 200px) !important; /* 比固定180px更自适应 */
    margin: 0 0 10px 0 !important;                /* 与正文留出间距 */
    border-radius: 10px !important;               /* 内部小圆角（矩形观感） */
    overflow: hidden !important;
  }

  /* D) 图片仍使用 cover 且居中，不会再“顶上去” */
  .news-card__thumb img,
  #vtNews .news-thumb img{
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    object-fit: cover !important;
    object-position: center center !important;
  }

  /* E) 文本改回左对齐（覆盖你现有的手机端居中样式） */
  .news-card h3,
  .news-card p{
    text-align: left !important;
  }

  /* F) 如果正文块用了 .news-body，则给它正常内边距（不依赖卡片外层 padding） */
  #vtNews .news-body{
    padding: 14px 16px 16px !important;
  }
}
/* ===== 手机端：去掉 header 下灰条 & 灰缝，只保留阴影 ===== */
@media (max-width: 899px) {
  /* 1) sticky 头部就不需要给 body 填充顶部空隙了 */
  body{
    padding-top: 0 !important;
  }

  /* 2) 仅保留阴影，去掉 header 的底部灰线 */
  #vtHeader{
    border-bottom: 0 !important;
    box-shadow: 0 2px 6px rgba(0,0,0,.06) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    background: #fff !important;
  }

  /* 3) 避免紧跟 header 的第一个区块再画顶边线/阴影/背景纹理 */
  #vtHeader + *{
    margin-top: 0 !important;
    border-top: 0 !important;
    box-shadow: none !important;
    background-image: none !important;
  }

  /* 4) 首屏容器（如果是它在顶上）也确保没有莫名的上边距/边框 */
  .dl-hero.section-white{
    margin-top: 0 !important;
    border-top: 0 !important;
  }
}
/* ===== 手机端 Header 阴影优化 ===== */
@media (max-width: 899px) {
  #vtHeader {
    border-bottom: 0 !important;              /* 去掉灰条 */
    box-shadow: 0 2px 6px rgba(0,0,0,0.08) !important;  /* 重新加上阴影 */
    background: #fff !important;              /* 保持白色底 */
    position: sticky !important;              /* 固定在顶部 */
    top: 0 !important;
    z-index: 1000 !important;
  }

  /* 避免 header 下一个区块自己再画顶边线 */
  #vtHeader + * {
    border-top: 0 !important;
    box-shadow: none !important;
    background-image: none !important;
  }
}
/* ===== 手机端：为 Header 加回阴影（强覆盖） ===== */
@media (max-width: 899px){
  /* 方案1：直接加回阴影，强覆盖之前的 none */
  header#vtHeader {
    border-bottom: 0 !important;                          /* 去灰线 */
    position: sticky !important; top: 0 !important; 
    z-index: 1000 !important; background: #fff !important;
    box-shadow: 0 4px 12px rgba(2, 28, 49, 0.10) !important;  /* 阴影回归 */
  }

  /* 保险：如果有浏览器/主题仍覆盖 box-shadow，用伪元素画阴影 */
  header#vtHeader::after{
    content: "";
    position: absolute; left: 0; right: 0; bottom: -1px;
    height: 14px; pointer-events: none;
    /* 模拟柔和阴影，和上面的 box-shadow 效果一致 */
    box-shadow: 0 4px 12px rgba(2, 28, 49, 0.10);
  }

  /* 防止首屏自己再画顶边线/阴影把效果盖掉 */
  #vtHeader + *{ border-top:0 !important; box-shadow:none !important; }
}
/* ===== 手机端：Header 阴影去重 & 细化（≤899px） ===== */
@media (max-width: 899px){
  /* 只保留一层柔和阴影 */
  header#vtHeader{
    border-bottom: 0 !important;
    background: #fff !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;

    /* 推荐：单层、偏下、柔和（不发虚、不重影） */
    box-shadow: 0 6px 12px -6px rgba(2,28,49,0.15) !important;
    /* 你也可以在上面这行里把 “-6px” 调大/调小，控制边缘锐度 */
  }

  /* 取消我们之前加的兜底伪元素阴影，避免出现“双影” */
  header#vtHeader::after{
    content: none !important;
    box-shadow: none !important;
  }

  /* 防止下面第一个区块自己再画顶边线/阴影叠加成“第二条” */
  #vtHeader + *{
    border-top: 0 !important;
    box-shadow: none !important;
    background-image: none !important;
  }

  /* 保险：下载页 tabs 自己不要有外部投影（有些主题会加） */
  .dl-hero .dl-tabs{
    box-shadow: none !important;
    border: 1px solid rgba(16,24,40,.06) !important; /* 需要的话仅保留内框线 */
  }
}
/* ===== 手机端：Header 固定到最顶部 + 去空白（≤899px） ===== */
@media (max-width: 899px){
  :root{ --m-header-h: 56px; } /* 你的移动端头部可调 54~60 */

  /* A. 把 header 钉死到最顶部（覆盖所有旧规则） */
  body > header#vtHeader{
    position: fixed !important;
    top: 0 !important; left: 0; right: 0;
    height: var(--m-header-h) !important;
    margin: 0 !important;              /* 防止 margin 把它往下顶 */
    transform: none !important;        /* 防止祖先 transform 影响定位 */
    background: #fff !important;
    border-bottom: 0 !important;
    z-index: 10000 !important;
  }

  /* B. 处理刘海/安全区：让 header 内容避开状态栏，而不是整块下移产生空白 */
  body > header#vtHeader{ padding-top: env(safe-area-inset-top, 0px) !important; }
  /* C. 正文让出 header 高度（含安全区），避免被遮住 */
  html, body{ margin: 0 !important; }
  body{
    padding-top: calc(var(--m-header-h) + env(safe-area-inset-top, 0px)) !important;
  }

  /* D. 干掉可能插在 header 前/后的“占位条”与顶边线，避免出现空白/双线 */
  body::before,
  body > .header-spacer,
  #vtHeader + .header-spacer,
  #vtHeader + *{
    display: none !important;           /* 若有占位元素，直接移除 */
    margin-top: 0 !important;
    border-top: 0 !important;
    box-shadow: none !important;
  }
}
/* ===== 手机端：Header 阴影效果（同行那种细线） ===== */
@media (max-width: 899px){
  body > header#vtHeader{
    box-shadow: 0 1px 0 rgba(0,0,0,0.08) !important; /* 一条发丝线 */
    border-bottom: none !important;                  /* 去掉旧的粗边框 */
  }
}
/* ===== 仅手机端（≤899px）分页优化：居中显示 + 去掉“首/尾” ===== */
@media (max-width: 899px){

  /* 分页容器：在手机端做成一条横条并居中，不影响 PC */
  main.news-archive .news-pager{
    display: flex !important;
    justify-content: center !important;
    align-items: stretch !important;
    flex-wrap: nowrap !important;

    /* 居中 + 控制宽度 */
    width: min(92vw, 560px) !important;
    margin: 18px auto 0 !important;

    /* 一条矩形条外观（不改变 PC） */
    border: 1px solid #E5E7EB !important;
    border-radius: 10px !important;
    background: #fff !important;
    padding: 0 !important;
    gap: 0 !important;
    overflow: hidden !important;
  }

  /* 每一项等分，占满这一条横条；保留你主题原有的文字 */
  main.news-archive .news-pager > *,
  main.news-archive .news-pager > li > *,
  main.news-archive .news-pager > a,
  main.news-archive .news-pager > span{
    flex: 1 1 0 !important;
    min-width: 0 !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 0 !important;
    border-left: 1px solid #E5E7EB !important; /* 细分隔线 */
    background: #fff !important;
    text-decoration: none !important;
  }
  /* 第一格不画左分隔线 */
  main.news-archive .news-pager > *:first-child,
  main.news-archive .news-pager > li:first-child > *{
    border-left: 0 !important;
  }

  /* 当前页高亮（不影响 PC） */
  main.news-archive .news-pager .current,
  main.news-archive .news-pager .page-num-current{
    background: #1F6FA9 !important;
    color: #fff !important;
  }

  /* 手机端隐藏“首/尾”（兼容可能的多种类名/写法） */
  main.news-archive .news-pager .page-first,
  main.news-archive .news-pager .first,
  main.news-archive .news-pager .pagefirst,
  main.news-archive .news-pager .page-last,
  main.news-archive .news-pager .last,
  main.news-archive .news-pager .pagelast{
    display: none !important;
  }
}
/* ===== 手机端：精彩推荐 -> 两列卡片（强匹配版，不影响PC） ===== */
@media (max-width: 899px){

  /* 命中各种可能的容器类名：recommend / section-recommend / rec / related 等 */
  section.recommend,
  .section.recommend,
  .section-recommend,
  [class*="recommend"],
  [class*="related"],
  [class*="rec"]{
    padding: 14px 0 !important;
  }

  /* 命中内部“列表容器”——无论是 ul、div.posts、div.list、grid 等 */
  section.recommend .wrap > ul,
  section.recommend .wrap > div,
  section.recommend [class*="posts"],
  section.recommend [class*="list"],
  section.recommend [class*="grid"],
  .section-recommend .wrap > ul,
  .section-recommend .wrap > div,
  .section-recommend [class*="posts"],
  .section-recommend [class*="list"],
  .section-recommend [class*="grid"],
  [class*="recommend"] .wrap > ul,
  [class*="recommend"] .wrap > div,
  [class*="recommend"] [class*="posts"],
  [class*="recommend"] [class*="list"],
  [class*="recommend"] [class*="grid"],
  [class*="related"] .wrap > ul,
  [class*="related"] .wrap > div,
  [class*="related"] [class*="posts"],
  [class*="related"] [class*="list"],
  [class*="related"] [class*="grid"],
  [class*="rec"] .wrap > ul,
  [class*="rec"] .wrap > div,
  [class*="rec"] [class*="posts"],
  [class*="rec"] [class*="list"],
  [class*="rec"] [class*="grid"]{
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    column-gap: 12px !important;
    row-gap: 14px !important;
    margin: 0 !important;
    padding: 0 16px !important;    /* 两侧留白 */
    list-style: none !important;
  }

  /* 每一张卡片：把可能的 li / .item / .post 等都兜住 */
  section.recommend li,
  section.recommend .item,
  section.recommend [class*="post"],
  .section-recommend li,
  .section-recommend .item,
  .section-recommend [class*="post"],
  [class*="recommend"] li,
  [class*="recommend"] .item,
  [class*="recommend"] [class*="post"],
  [class*="related"] li,
  [class*="related"] .item,
  [class*="related"] [class*="post"],
  [class*="rec"] li,
  [class*="rec"] .item,
  [class*="rec"] [class*="post"]{
    background:#fff !important;
    border:1px solid rgba(16,24,40,.12) !important;
    border-radius:12px !important;
    box-shadow:0 6px 18px rgba(17,24,39,.06) !important;
    padding:12px !important;
    overflow:hidden !important;
    width:auto !important;
    float:none !important;            /* 防止主题里用 float 布局 */
  }

  /* 缩略图：固定高度、居中裁切 */
  section.recommend img,
  .section-recommend img,
  [class*="recommend"] img,
  [class*="related"] img,
  [class*="rec"] img{
    display:block !important;
    width:100% !important;
    height:110px !important;
    object-fit:cover !important;
    object-position:center center !important;
    border-radius:8px !important;
    margin:0 0 8px 0 !important;
  }

  /* 标题与摘要：做多行截断，避免拥挤 */
  section.recommend h3, .section-recommend h3,
  [class*="recommend"] h3, [class*="related"] h3, [class*="rec"] h3{
    margin:6px 0 4px !important;
    font-size:15px !important;
    line-height:1.35 !important;
    display:-webkit-box !important;
    -webkit-line-clamp:2 !important;
    -webkit-box-orient:vertical !important;
    overflow:hidden !important;
  }
  section.recommend p, .section-recommend p,
  [class*="recommend"] p, [class*="related"] p, [class*="rec"] p{
    margin:0 !important;
    font-size:13px !important;
    line-height:1.6 !important;
    color:#475467 !important;
    display:-webkit-box !important;
    -webkit-line-clamp:3 !important;
    -webkit-box-orient:vertical !important;
    overflow:hidden !important;
  }
}