/* =========================================================
   Telegram · 主样式表
   视觉对齐原 telegram.org / step 2 中文版截图,
   类名全部重写为 tgz- 前缀避免模板复用。
   ========================================================= */

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img,svg,video{max-width:100%;height:auto;display:block;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0;}
a{color:inherit;text-decoration:none;transition:color .15s ease;}

/* ---------- 主题色（被 telegram-theme.css override 深色） ---------- */
:root{
  --tgz-bg:#fff;--tgz-bg-alt:#F4F4F5;--tgz-bg-elev:#fff;
  --tgz-fg:#0F1820;--tgz-fg-muted:#707579;--tgz-fg-subtle:#A1A8B2;
  --tgz-link:#229ED9;--tgz-link-hover:#1A7FB0;
  --tgz-border:#E6E9EE;--tgz-border-strong:#C9CED9;
  --tgz-brand:#2AABEE;--tgz-brand-dark:#229ED9;--tgz-brand-soft:#E7F5FC;
  --tgz-disc-bg:#FFF6E5;--tgz-disc-fg:#C77A07;--tgz-disc-bd:#F1D6A1;
  --tgz-shadow-1:0 1px 2px rgba(0,0,0,.04),0 2px 6px rgba(0,0,0,.04);
  --tgz-shadow-2:0 4px 12px rgba(0,0,0,.06),0 10px 24px rgba(0,0,0,.04);
  --tgz-shadow-3:0 14px 28px rgba(42,171,238,.18);
  --tgz-code-bg:#F1F3F8;
  --tgz-r-sm:6px;--tgz-r-md:10px;--tgz-r-lg:14px;--tgz-r-xl:22px;--tgz-r-full:999px;
}

/* ---------- 全局 ---------- */
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.6;color:var(--tgz-fg);background:var(--tgz-bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  -webkit-tap-highlight-color:transparent;
}
body.tgz-preload{visibility:hidden;}

a:hover{color:var(--tgz-link);}

/* 跳过链接 */
.tgz-skip{
  position:absolute;left:-9999px;top:0;
  background:var(--tgz-brand);color:#fff;padding:8px 12px;z-index:9999;font-weight:600;border-radius:0 0 6px 0;
}
.tgz-skip:focus{left:0;}

/* 容器 */
.tgz-container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* 通用 H2 */
.tgz-h2{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.4px;
  line-height:1.25;
  text-align:center;
  margin:0 0 28px;
}

/* 通用按钮 */
.tgz-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;
  font-size:15px;font-weight:600;
  border-radius:var(--tgz-r-md);
  cursor:pointer;
  transition:background .15s ease,transform .1s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.tgz-btn:active{transform:translateY(1px);}
.tgz-btn--primary{background:var(--tgz-brand);color:#fff;box-shadow:var(--tgz-shadow-3);}
.tgz-btn--primary:hover{background:var(--tgz-brand-dark);color:#fff;}
.tgz-btn--ghost{background:transparent;color:var(--tgz-fg);border:1px solid var(--tgz-border-strong);}
.tgz-btn--ghost:hover{background:var(--tgz-bg-alt);}

/* 段落标题 lede */
.tgz-section-head{text-align:center;max-width:760px;margin:0 auto 36px;}
.tgz-section-lede{
  color:var(--tgz-fg-muted);
  font-size:16px;
  line-height:1.7;
  text-align:center;
  margin:0 auto 36px;
  max-width:680px;
}

/* ============================================================
   1) 顶导
   ============================================================ */
.tgz-head{
  position:sticky;top:0;z-index:100;
  background:var(--tgz-bg);
  border-bottom:1px solid var(--tgz-border);
  backdrop-filter:saturate(180%) blur(8px);
}
.tgz-head__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:24px;
}
.tgz-brand{display:inline-flex;align-items:center;gap:10px;color:var(--tgz-fg);font-weight:800;font-size:18px;letter-spacing:.3px;}
.tgz-brand:hover{color:var(--tgz-fg);}
.tgz-brand__mark--svg{width:32px;height:32px;display:block;}
.tgz-brand__name{display:inline-block;}
.tgz-brand__name-em{color:var(--tgz-brand);}

.tgz-nav{flex:1;}
.tgz-nav__list{display:flex;align-items:center;justify-content:center;gap:24px;}
.tgz-nav__list a{
  display:inline-block;
  color:var(--tgz-fg-muted);
  font-size:14px;
  font-weight:500;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.tgz-nav__list a:hover{color:var(--tgz-fg);}
.tgz-nav__list a[aria-current="page"]{color:var(--tgz-brand);border-bottom-color:var(--tgz-brand);}

.tgz-theme-toggle{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--tgz-r-full);
  color:var(--tgz-fg-muted);
  transition:background .15s ease;
}
.tgz-theme-toggle:hover{background:var(--tgz-bg-alt);}
.tgz-theme-toggle__icon{width:22px;height:22px;}
.tgz-theme-toggle__icon--moon{display:none;}
[data-theme="dark"] .tgz-theme-toggle__icon--sun{display:none;}
[data-theme="dark"] .tgz-theme-toggle__icon--moon{display:inline-block;}

/* ============================================================
   2) Hero (含 news 侧栏)
   ============================================================ */
.tgz-hero{padding:48px 0 56px;background:var(--tgz-bg);}

.tgz-hero__inner{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:960px){
  .tgz-hero__inner{
    grid-template-columns:1.6fr 1fr;
    align-items:start;
  }
}

/* 新闻侧栏 (右侧 on desktop) */
.tgz-side-blog{
  background:var(--tgz-bg-alt);
  border-radius:var(--tgz-r-md);
  padding:18px 20px;
}
.tgz-side-blog__title{
  font-size:14px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
  color:var(--tgz-fg-muted);
  margin-bottom:12px;
}
.tgz-side-blog__list li+li{margin-top:10px;}
.tgz-side-blog__list a{
  display:block;
  padding:6px 0;
  border-top:1px solid var(--tgz-border);
}
.tgz-side-blog__list li:first-child a{border-top:0;}
.tgz-side-blog__list time{
  display:block;
  font-size:12px;
  font-weight:700;
  color:var(--tgz-brand);
  letter-spacing:.5px;
}
.tgz-side-blog__list span{
  display:block;
  font-size:13px;
  color:var(--tgz-fg);
  line-height:1.5;
  margin-top:2px;
}

/* Hero 内容 */
.tgz-hero__content{
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.tgz-hero__logo{
  display:inline-block;
  width:96px;height:96px;
  margin-bottom:18px;
}
.tgz-hero__logo svg{width:100%;height:100%;}

.tgz-hero__title{
  font-size:40px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-1px;
  margin:0;
}
@media (max-width:600px){.tgz-hero__title{font-size:30px;}}

.tgz-hero__lead{
  margin:18px auto 0;
  max-width:620px;
  color:var(--tgz-fg-muted);
  font-size:17px;
  line-height:1.6;
}
@media (max-width:600px){.tgz-hero__lead{font-size:15px;}}

.tgz-hero__cta{
  margin-top:28px;
  display:flex;gap:12px;flex-wrap:wrap;
  justify-content:center;
}

.tgz-disclaimer{
  margin:24px auto 0;
  max-width:560px;
  padding:10px 14px;
  background:var(--tgz-disc-bg);
  color:var(--tgz-disc-fg);
  border:1px dashed var(--tgz-disc-bd);
  border-radius:var(--tgz-r-md);
  font-size:13px;
  line-height:1.6;
}
.tgz-disclaimer a{color:var(--tgz-disc-fg);text-decoration:underline;}

/* ============================================================
   3) 下载区 (4 张卡片 2x2)
   ============================================================ */
.tgz-downloads{padding:64px 0;background:var(--tgz-bg);}
.tgz-dl-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:18px;
  max-width:980px;
  margin:0 auto;
}
@media (min-width:760px){
  .tgz-dl-grid{gap:24px;}
}
@media (max-width:540px){
  .tgz-dl-grid{grid-template-columns:1fr;}
}

.tgz-dl-card{
  display:flex;flex-direction:column;
  padding:18px;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-lg);
  transition:border-color .15s ease,box-shadow .15s ease;
  cursor:pointer;
  color:var(--tgz-fg);
}
.tgz-dl-card:hover{
  border-color:var(--tgz-brand-soft);
  box-shadow:var(--tgz-shadow-2);
}
.tgz-dl-card__body{
  display:flex;align-items:center;gap:10px;
  margin-bottom:12px;
}
.tgz-dl-card__icon{width:22px;height:22px;}
.tgz-dl-card__name{font-size:16px;color:var(--tgz-fg);}
.tgz-dl-card__name b{font-weight:700;}

.tgz-dl-card__preview{
  display:block;
  background:var(--tgz-bg-alt);
  border-radius:var(--tgz-r-md);
  overflow:hidden;
}
.tgz-dl-card__preview img{
  width:100%;height:auto;
  display:block;
}

.tgz-downloads__more{text-align:center;margin-top:28px;}
.tgz-dl-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;
  color:var(--tgz-link);
}
.tgz-dl-more:hover{text-decoration:underline;}
.tgz-icon{display:inline-block;width:14px;height:14px;background:currentColor;mask:var(--tgz-icon-arrow) center/contain no-repeat;-webkit-mask:var(--tgz-icon-arrow) center/contain no-repeat;}
.tgz-icon--arrow{--tgz-icon-arrow:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 5l7 7-7 7z'/></svg>");}

/* ============================================================
   4) 新闻卡
   ============================================================ */
.tgz-news{padding:64px 0;background:var(--tgz-bg-alt);}
.tgz-news-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:24px;
  max-width:920px;
  margin:0 auto;
}
@media (max-width:600px){
  .tgz-news-grid{grid-template-columns:1fr;}
}

.tgz-news-card{
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-lg);
  overflow:hidden;
  transition:transform .15s ease,box-shadow .15s ease;
}
.tgz-news-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--tgz-shadow-2);
}
.tgz-news-card__link{display:block;color:inherit;}
.tgz-news-card__img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--tgz-bg-alt);}
.tgz-news-card__body{padding:20px 22px 22px;}
.tgz-news-card__title{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
}
.tgz-news-card__lead{
  color:var(--tgz-fg-muted);
  font-size:14px;
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tgz-news-card__date{
  display:inline-block;
  margin-top:12px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--tgz-brand);
}

/* ============================================================
   5) 功能 9 宫格
   ============================================================ */
.tgz-features{padding:64px 0 80px;background:var(--tgz-bg);}
.tgz-feat-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
  max-width:1080px;
  margin:0 auto;
}
@media (max-width:820px){.tgz-feat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:480px){.tgz-feat-grid{grid-template-columns:1fr;}}

.tgz-feat-card{
  background:var(--tgz-bg-elev);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-lg);
  padding:22px;
  text-align:left;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.tgz-feat-card:hover{border-color:var(--tgz-brand-soft);box-shadow:var(--tgz-shadow-1);}
.tgz-feat-card__icon{width:80px;height:80px;margin-bottom:14px;}
.tgz-feat-card__title{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
}
.tgz-feat-card__lead{
  color:var(--tgz-fg-muted);
  font-size:14px;
  line-height:1.7;
}

/* ============================================================
   6) 页脚
   ============================================================ */
.tgz-footer{
  background:var(--tgz-fg);
  color:rgba(255,255,255,.7);
  padding:56px 0 36px;
  position:relative;
}
.tgz-footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  margin-bottom:36px;
}
@media (max-width:820px){.tgz-footer__grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:480px){.tgz-footer__grid{grid-template-columns:1fr;}}

.tgz-footer__col p{
  font-size:13px;line-height:1.7;
  color:rgba(255,255,255,.7);
}
.tgz-footer__title{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
}
.tgz-footer__col ul{display:grid;gap:8px;}
.tgz-footer__col a{
  color:rgba(255,255,255,.7);
  font-size:13px;
  transition:color .15s ease;
}
.tgz-footer__col a:hover{color:var(--tgz-brand);}

.tgz-footer__copy{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:18px;
  text-align:center;
  font-size:12px;
  color:rgba(255,255,255,.5);
  line-height:1.6;
}

/* 返回顶部按钮 */
.tgz-totop{
  position:absolute;
  right:32px;
  top:-22px;
  display:inline-flex;
  align-items:center;justify-content:center;
  width:48px;height:48px;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-full);
  box-shadow:var(--tgz-shadow-1);
  transition:transform .15s ease,box-shadow .15s ease;
}
.tgz-totop:hover{transform:translateY(-2px);box-shadow:var(--tgz-shadow-2);}
.tgz-totop img{width:36px;height:36px;}

/* ============================================================
   7) View Transition / Reduced Motion
   ============================================================ */
::view-transition-old(root),
::view-transition-new(root){animation:none;mix-blend-mode:normal;}
::view-transition-old(root){z-index:1;}
::view-transition-new(root){z-index:2;}
[data-theme="dark"]::view-transition-old(root){z-index:2;}
[data-theme="dark"]::view-transition-new(root){z-index:1;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
}

/* ============================================================
   8) Print
   ============================================================ */
@media print{
  .tgz-head,.tgz-totop,.tgz-theme-toggle,.tgz-skip{display:none;}
  body{color:#000;background:#fff;}
}

/* ============================================================
   9) Inner Page · 公共版式
   ============================================================ */
.tgz-page-hero{
  background:var(--tgz-bg-alt);
  padding:52px 0 36px;
  text-align:center;
}
.tgz-page-hero h1{
  font-size:36px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.2;
  margin:0;
}
@media (max-width:600px){.tgz-page-hero h1{font-size:28px;}}
.tgz-page-lead{
  margin:18px auto 0;
  max-width:680px;
  color:var(--tgz-fg-muted);
  font-size:16px;
  line-height:1.7;
}

.tgz-crumb{
  display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;
  gap:6px 8px;
  font-size:13px;
  color:var(--tgz-fg-subtle);
  margin-bottom:14px;
}
.tgz-crumb a{color:var(--tgz-link);}
.tgz-crumb a:hover{text-decoration:underline;}
.tgz-crumb-sep{color:var(--tgz-fg-subtle);opacity:.6;}

.tgz-page-body{padding:56px 0;background:var(--tgz-bg);}

/* 内容区 max-width */
.tgz-content{max-width:780px;margin:0 auto;}
.tgz-content h2{
  font-size:24px;font-weight:700;
  margin:36px 0 14px;
  letter-spacing:-.3px;
}
.tgz-content h3{
  font-size:18px;font-weight:700;
  margin:24px 0 10px;
}
.tgz-content p{
  margin-bottom:14px;
  line-height:1.85;
}
.tgz-content ul,.tgz-content ol{
  margin:0 0 18px 24px;
  padding:0;
}
.tgz-content ul{list-style:disc;}
.tgz-content ol{list-style:decimal;}
.tgz-content li{
  margin-bottom:6px;
  line-height:1.8;
}
.tgz-content code{
  background:var(--tgz-code-bg);
  padding:2px 6px;
  border-radius:4px;
  font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  font-size:.92em;
}
.tgz-content blockquote{
  border-left:3px solid var(--tgz-brand);
  background:var(--tgz-bg-alt);
  padding:12px 18px;
  margin:18px 0;
  color:var(--tgz-fg-muted);
  border-radius:0 var(--tgz-r-sm) var(--tgz-r-sm) 0;
}
.tgz-content hr{
  border:0;
  border-top:1px solid var(--tgz-border);
  margin:32px 0;
}

/* 2-列布局 */
.tgz-layout{
  display:grid;
  grid-template-columns:1fr 280px;
  gap:36px;
  max-width:1080px;
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:820px){
  .tgz-layout{grid-template-columns:1fr;}
}
.tgz-aside{
  background:var(--tgz-bg-alt);
  border-radius:var(--tgz-r-md);
  padding:18px 20px;
  align-self:start;
  position:sticky;
  top:84px;
}
.tgz-aside h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
  color:var(--tgz-fg-muted);
  margin-bottom:12px;
}
.tgz-aside ul{display:grid;gap:8px;}
.tgz-aside li{font-size:14px;}
.tgz-aside a{
  color:var(--tgz-link);
  display:block;
  line-height:1.5;
}
.tgz-aside a:hover{text-decoration:underline;}

/* 内页卡片网格 */
.tgz-card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
}
.tgz-card{
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-lg);
  padding:22px;
  transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease;
  display:flex;flex-direction:column;gap:8px;
}
.tgz-card:hover{
  border-color:var(--tgz-brand-soft);
  box-shadow:var(--tgz-shadow-1);
  transform:translateY(-2px);
}
.tgz-card h3{
  font-size:17px;
  font-weight:700;
  margin:0;
}
.tgz-card p{
  color:var(--tgz-fg-muted);
  font-size:14px;
  line-height:1.65;
  margin:0;
  flex:1;
}
.tgz-card__more{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--tgz-link);
  font-size:13px;
  font-weight:600;
}

/* FAQ */
.tgz-faq-item{
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-md);
  margin-bottom:10px;
  overflow:hidden;
}
.tgz-faq-item summary{
  padding:14px 18px;
  font-size:15px;
  font-weight:600;
  color:var(--tgz-fg);
  cursor:pointer;
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
}
.tgz-faq-item summary::-webkit-details-marker{display:none;}
.tgz-faq-item summary::after{
  content:'+';
  font-size:20px;
  color:var(--tgz-brand);
  font-weight:700;
  flex-shrink:0;
  transition:transform .2s ease;
}
.tgz-faq-item[open]{border-color:var(--tgz-brand-soft);}
.tgz-faq-item[open] summary::after{transform:rotate(45deg);}
.tgz-faq-item > div{
  padding:0 18px 16px;
  color:var(--tgz-fg-muted);
  font-size:14px;
  line-height:1.78;
}
.tgz-faq-item > div p{margin-bottom:8px;}
.tgz-faq-item > div code{
  background:var(--tgz-code-bg);
  padding:2px 6px;
  border-radius:4px;
  font-family:ui-monospace,SFMono-Regular,monospace;
  font-size:.92em;
}

/* News 列表(完整型) */
.tgz-news-listing{
  display:grid;gap:18px;
  max-width:780px;
  margin:0 auto;
}
.tgz-news-row{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:20px;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-lg);
  overflow:hidden;
  transition:transform .15s ease,box-shadow .15s ease;
}
@media (max-width:600px){
  .tgz-news-row{grid-template-columns:1fr;}
}
.tgz-news-row:hover{
  transform:translateY(-2px);
  box-shadow:var(--tgz-shadow-1);
}
.tgz-news-row img{
  width:100%;height:100%;
  min-height:140px;
  object-fit:cover;background:var(--tgz-bg-alt);
}
.tgz-news-row__body{padding:18px 18px 18px 0;display:flex;flex-direction:column;gap:6px;}
@media (max-width:600px){.tgz-news-row__body{padding:0 16px 16px;}}
.tgz-news-row__date{font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--tgz-brand);}
.tgz-news-row__title{font-size:18px;font-weight:700;line-height:1.4;margin:0;}
.tgz-news-row__lead{color:var(--tgz-fg-muted);font-size:13px;line-height:1.65;margin:0;}
.tgz-news-row__link{display:block;color:inherit;}
.tgz-news-row__link:hover .tgz-news-row__title{color:var(--tgz-link);}

/* Article 主体(单篇新闻) */
.tgz-article-hero{padding:48px 0 24px;text-align:center;}
.tgz-article-hero time{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--tgz-brand);
  margin-bottom:10px;
}
.tgz-article-hero h1{
  font-size:32px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.25;
  margin:6px auto 14px;
  max-width:780px;
}
.tgz-article-hero .tgz-article-lead{
  margin:0 auto;
  max-width:680px;
  color:var(--tgz-fg-muted);
  font-size:17px;
  line-height:1.7;
}

/* Step 列表 (教程用) */
.tgz-step-list{
  display:grid;gap:14px;
  counter-reset:tgzStep;
}
.tgz-step-list li{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:14px;
  align-items:start;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-md);
  padding:18px 20px;
}
.tgz-step-list__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;
  background:var(--tgz-brand);
  color:#fff;
  font-weight:700;
  border-radius:var(--tgz-r-full);
  font-size:15px;
}
.tgz-step-list__body h3{font-size:16px;font-weight:700;margin:2px 0 6px;}
.tgz-step-list__body p{color:var(--tgz-fg-muted);font-size:14px;line-height:1.7;margin:0;}

/* 表格 */
.tgz-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:18px 0;
}
.tgz-table th,.tgz-table td{
  padding:10px 14px;
  text-align:left;
  border-bottom:1px solid var(--tgz-border);
}
.tgz-table thead th{
  background:var(--tgz-bg-alt);
  font-weight:700;
  color:var(--tgz-fg);
}

/* ---------- 信任标识条 ---------- */
.tgz-trust-strip{
  background:var(--tgz-bg-alt);
  border-block:1px solid var(--tgz-border);
  padding:32px 0;
}
.tgz-stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  text-align:center;
}
@media (max-width:780px){.tgz-stat-grid{grid-template-columns:repeat(2,1fr);}}
.tgz-stat-card{padding:6px 12px;}
.tgz-stat-card__num{
  display:block;
  font-size:30px;
  font-weight:800;
  color:var(--tgz-brand);
  letter-spacing:-.5px;
  line-height:1.1;
}
.tgz-stat-card__label{
  display:block;
  margin-top:6px;
  color:var(--tgz-fg-muted);
  font-size:13px;
  letter-spacing:.3px;
}

/* ---------- CTA 横幅 ---------- */
.tgz-cta-band{
  background:linear-gradient(135deg,#2AABEE 0%,#229ED9 100%);
  color:#fff;
  padding:56px 0;
  text-align:center;
}
.tgz-cta-band h2{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.5px;
  margin:0 0 12px;
}
.tgz-cta-band p{
  font-size:16px;
  opacity:.92;
  margin:0 auto 28px;
  max-width:680px;
}
.tgz-cta-band .tgz-cta-actions{
  display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center;
}
.tgz-cta-band .tgz-btn--primary{background:#fff;color:var(--tgz-brand);}
.tgz-cta-band .tgz-btn--primary:hover{background:#E7F5FC;color:var(--tgz-brand-dark);}
.tgz-cta-band .tgz-btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.tgz-cta-band .tgz-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 对比表(多列) ---------- */
.tgz-compare{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:24px 0;
  background:var(--tgz-bg);
  border-radius:var(--tgz-r-md);
  overflow:hidden;
  box-shadow:var(--tgz-shadow-1);
}
.tgz-compare th,.tgz-compare td{
  padding:14px 16px;
  text-align:left;
  border-bottom:1px solid var(--tgz-border);
}
.tgz-compare thead th{
  background:var(--tgz-brand-soft);
  font-weight:700;
  color:var(--tgz-fg);
}
.tgz-compare tbody tr:last-child td{border-bottom:none;}
.tgz-compare .tgz-compare__check{color:#22A06B;font-weight:700;}
.tgz-compare .tgz-compare__cross{color:#C77A07;font-weight:700;}
.tgz-compare .tgz-compare__feat{font-weight:600;color:var(--tgz-fg);}

/* ---------- 关联页面网格 ---------- */
.tgz-related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
@media (max-width:780px){.tgz-related-grid{grid-template-columns:1fr;}}
.tgz-related-card{
  display:block;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-md);
  padding:20px;
  color:inherit;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.tgz-related-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--tgz-shadow-2);
  border-color:var(--tgz-brand);
  color:inherit;
}
.tgz-related-card__cat{
  display:inline-block;
  font-size:11px;font-weight:700;letter-spacing:.6px;
  color:var(--tgz-brand);
  text-transform:uppercase;
  margin-bottom:8px;
}
.tgz-related-card__title{
  font-size:17px;font-weight:700;line-height:1.4;margin:0 0 6px;
}
.tgz-related-card__lead{
  font-size:13px;color:var(--tgz-fg-muted);line-height:1.65;margin:0;
}

/* ---------- 客户端对比小卡片(下载区扩展) ---------- */
.tgz-clients-extra{
  margin-top:48px;
  text-align:center;
}
.tgz-clients-extra h3{
  font-size:18px;font-weight:700;margin:0 0 8px;
}
.tgz-clients-extra p{
  color:var(--tgz-fg-muted);font-size:14px;margin:0 auto 18px;max-width:560px;
}
.tgz-clients-extra__grid{
  display:flex;justify-content:center;flex-wrap:wrap;gap:10px;
}
.tgz-clients-extra__chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;
  background:var(--tgz-bg);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-full);
  font-size:13px;font-weight:600;
  color:var(--tgz-fg);
  transition:all .15s ease;
}
.tgz-clients-extra__chip:hover{
  border-color:var(--tgz-brand);color:var(--tgz-brand);
}

/* ---------- 浮动"内容目录"(长文章用) ---------- */
.tgz-toc{
  background:var(--tgz-bg-alt);
  border:1px solid var(--tgz-border);
  border-radius:var(--tgz-r-md);
  padding:18px 22px;
  margin:0 0 24px;
}
.tgz-toc h4{
  font-size:13px;font-weight:700;letter-spacing:.5px;
  color:var(--tgz-fg-muted);text-transform:uppercase;margin:0 0 10px;
}
.tgz-toc ul{list-style:decimal inside;padding:0;margin:0;color:var(--tgz-link);}
.tgz-toc li{padding:4px 0;font-size:14px;}

/* ---------- 区域副标题(每节 lead) ---------- */
.tgz-section-lead{
  font-size:15px;color:var(--tgz-fg-muted);
  line-height:1.7;max-width:720px;
  margin:0 auto 36px;text-align:center;
}