/* ============================================================
   file.css —— FAQ 页面 + news 页面的样式文件
   蓝白科技风，与首页 / cloud.css / partners 系列协调
   作用范围：
     云基础FAQ faq.html（fq 类样式）
     news 页面（后续补充）
   ============================================================ */
#faq-page{
  --pt-blue:#006eff;
  --pt-blue-2:#5aa8ff;
  --pt-blue-deep:#0b1f47;
  --pt-ink:#18243a;
  --pt-mut:#6b7a99;
  --pt-line:#e8edf5;
  --pt-bg:#f6f9ff;
}
/* 标题区左对齐（覆盖共享 .pt-hd 的居中），加左侧渐变竖条 */
#faq-page .pt-hd{text-align:left;max-width:none;margin:0 0 48px;position:relative;padding-left:20px}
#faq-page .pt-hd:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:linear-gradient(180deg,#006eff,#5aa8ff)}
#faq-page .pt-hd .pt-tag{margin-bottom:14px}
#faq-page .pt-hd .pt-title{margin-bottom:12px}
/* ============================================================
   FAQ Banner：居中标题 + 搜索框
   ============================================================ */
.fq-banner{position:relative;overflow:hidden;padding:100px 0 92px;text-align:center;color:#fff;background:linear-gradient(135deg,#0b1f47 0%,#123a78 55%,#1a4fa0 100%)}
.fq-banner:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px}
.fq-banner:after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-190px;left:50%;margin-left:-280px;background:radial-gradient(circle,rgba(90,168,255,.22),transparent 70%)}
.fq-banner .cvm-container{position:relative;z-index:1}
.fq-banner__badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;margin-bottom:20px;border:1px solid rgba(122,178,255,.5);border-radius:100px;background:rgba(90,168,255,.16);color:#cfe0ff;font-size:13px;letter-spacing:1px;line-height:1.4}
.fq-banner__badge:before{content:"";width:6px;height:6px;border-radius:50%;background:#5aa8ff}
.fq-banner__title{font-size:56px;font-weight:800;line-height:1.1;margin:0 0 14px;color:#fff;letter-spacing:1px}
.fq-banner__title .pt-hl{background:linear-gradient(90deg,#8ab6ff,#5aa8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.fq-banner__subtitle{font-size:20px;font-weight:600;color:#8ab6ff;margin:0 0 14px}
.fq-banner__desc{max-width:760px;margin:0 auto 34px;font-size:15px;line-height:27px;color:rgba(255,255,255,.78)}
.fq-search{position:relative;display:flex;align-items:center;max-width:680px;margin:0 auto;background:#fff;border-radius:100px;padding:6px 6px 6px 22px;box-shadow:0 16px 40px rgba(0,20,60,.28)}
.fq-search__icon{flex-shrink:0;width:20px;height:20px;color:#9aa9c2}
.fq-search__ipt{flex:1;min-width:0;height:44px;border:0;outline:none;background:transparent;font-size:15px;color:#18243a;padding:0 12px}
.fq-search__ipt::placeholder{color:#9aa9c2}
.fq-search__clear{flex-shrink:0;width:28px;height:28px;border:0;background:#eef2f8;color:#6b7a99;border-radius:50%;font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.fq-search__clear:hover{background:#e2e9f4}
.fq-search__btn{flex-shrink:0;height:44px;padding:0 30px;border:0;border-radius:100px;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:box-shadow .3s}
.fq-search__btn:hover{box-shadow:0 8px 20px rgba(0,110,255,.4)}
.fq-hots{margin-top:22px;font-size:13px;color:#cfe0ff;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.fq-hots span{color:rgba(255,255,255,.6)}
.fq-hots a{color:#cfe0ff;text-decoration:none;padding:4px 12px;border:1px solid rgba(122,178,255,.35);border-radius:100px;transition:all .25s}
.fq-hots a:hover{background:rgba(90,168,255,.2);color:#fff;border-color:#5aa8ff}
/* ============================================================
   FAQ 01 分类导航：图标卡片网格
   ============================================================ */
.fq-cats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.fq-cat-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:26px 24px;background:#fff;border:1px solid #e8edf5;border-radius:16px;text-decoration:none;overflow:hidden;transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s,border-color .35s}
.fq-cat-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#006eff,#5aa8ff);transform:scaleY(0);transform-origin:top;transition:transform .35s}
.fq-cat-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,110,255,.14);border-color:#b6d2ff}
.fq-cat-card:hover:before{transform:scaleY(1)}
.fq-cat-card__icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(135deg,#eef4ff,#e0ebff);color:#006eff;display:flex;align-items:center;justify-content:center;transition:all .35s}
.fq-cat-card:hover .fq-cat-card__icon{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;transform:rotate(-6deg);box-shadow:0 10px 22px rgba(0,110,255,.3)}
.fq-cat-card__icon svg{width:24px;height:24px;display:block}
.fq-cat-card__name{font-size:17px;font-weight:700;color:#18243a}
.fq-cat-card__desc{font-size:13px;line-height:1.6;color:#6b7a99;margin:0}
.fq-cat-card__count{display:inline-flex;margin-top:auto;padding:4px 12px;border-radius:100px;background:#eaf2ff;color:#0b2a6b;font-size:12px;font-weight:600;transition:all .35s}
.fq-cat-card:hover .fq-cat-card__count{background:#006eff;color:#fff}
/* ============================================================
   FAQ 02 新手指引：圆点时间线
   ============================================================ */
.fq-guide{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.fq-guide:before{content:"";position:absolute;left:10%;right:10%;top:34px;height:2px;background:linear-gradient(90deg,#c9ddfb,#006eff,#c9ddfb)}
.fq-guide__step{position:relative;padding:0 14px}
.fq-guide__num{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:68px;height:68px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:20px;font-weight:800;font-family:"Helvetica Neue",Arial,sans-serif;box-shadow:0 0 0 6px #fff,0 0 0 8px rgba(0,110,255,.14),0 14px 30px rgba(0,110,255,.3);transition:transform .35s}
.fq-guide__step:hover .fq-guide__num{transform:scale(1.12)}
.fq-guide__card{background:#fff;border:1px solid #e8edf5;border-radius:14px;padding:22px 18px;text-align:center;height:100%;box-sizing:border-box;transition:transform .35s,box-shadow .35s,border-color .35s}
.fq-guide__step:hover .fq-guide__card{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,110,255,.12);border-color:#b6d2ff}
.fq-guide__title{margin:0 0 6px;font-size:16px;font-weight:700;color:#18243a}
.fq-guide__desc{margin:0;font-size:13px;line-height:1.65;color:#6b7a99}
/* 新手指引板块底部留白：与下一板块（高频问题）拉开间距 */
#fq-guide{padding-bottom:160px}
/* ============================================================
   FAQ 03 高频问题：两列手风琴（复用 cvm-faq 交互钩子）
   ============================================================ */
.fq-hot__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}
#faq-page .cvm-faq__item{border-radius:14px}
#faq-page .cvm-faq__item:hover{border-left-color:#006eff}
#faq-page .cvm-faq__item.is-open{border-color:#c9ddfb;border-left-color:#006eff;box-shadow:0 14px 34px rgba(0,110,255,.12)}
#faq-page .cvm-faq__q:hover{color:#006eff}
#faq-page .cvm-faq__arrow{background:#eaf2ff}
#faq-page .cvm-faq__arrow:before,#faq-page .cvm-faq__arrow:after{background:#006eff}
#faq-page .cvm-faq__item.is-open .cvm-faq__arrow{background:linear-gradient(135deg,#006eff,#5aa8ff)}
#faq-page .cvm-faq__item.is-open .cvm-faq__arrow:before{background:#fff}
#faq-page .cvm-faq__item.is-open .cvm-faq__arrow:after{background:#fff;opacity:0}
/* ============================================================
   FAQ 04 分类问答：左侧目录 + 右侧分组手风琴
   ============================================================ */
.fq-main{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start}
.fq-side{position:sticky;top:90px;background:#fff;border:1px solid #e8edf5;border-radius:16px;padding:18px 12px;box-shadow:0 8px 30px rgba(0,60,150,.05)}
.fq-side__tit{margin:0 12px 10px;font-size:12px;font-weight:700;letter-spacing:2px;color:#9aa7bd}
.fq-side__link{position:relative;display:block;padding:11px 14px;border-radius:10px;font-size:14px;color:#4a5874;text-decoration:none;transition:all .25s}
.fq-side__link:hover{color:#006eff;background:#f4f8ff}
.fq-side__link.is-active{color:#006eff;background:linear-gradient(90deg,#eaf2ff,#f4f8ff);font-weight:600}
.fq-side__link.is-active:before{content:"";position:absolute;left:0;top:50%;margin-top:-8px;width:3px;height:16px;border-radius:2px;background:linear-gradient(180deg,#006eff,#5aa8ff)}
.fq-content{display:flex;flex-direction:column;gap:22px;min-width:0}
.fq-cat{background:#fff;border:1px solid #e8edf5;border-radius:18px;padding:24px 26px;box-shadow:0 8px 30px rgba(0,60,150,.04)}
.fq-cat__hd{display:flex;align-items:center;gap:14px;padding-bottom:18px;margin-bottom:6px;border-bottom:1px solid #eef3fb}
.fq-cat__icon{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;display:flex;align-items:center;justify-content:center}
.fq-cat__icon svg{width:22px;height:22px;display:block}
.fq-cat__title{margin:0 0 3px;font-size:18px;font-weight:700;color:#18243a}
.fq-cat__desc{margin:0;font-size:13px;color:#6b7a99}
.fq-cat__list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.fq-cat__list .cvm-faq__item{border:1px solid #eef3fb;border-left:3px solid transparent;box-shadow:none}
.fq-cat__list .cvm-faq__item:hover{border-left-color:#006eff}
.fq-cat__list .cvm-faq__item.is-open{border-color:#c9ddfb;border-left-color:#006eff;box-shadow:0 10px 26px rgba(0,110,255,.1)}
.fq-cat__list .cvm-faq__a p a{color:#006eff;text-decoration:none;font-weight:600}
.fq-cat__list .cvm-faq__a p a:hover{text-decoration:underline}
.fq-search-none{margin:26px 0 0;text-align:center;font-size:14px;color:#6b7a99;padding:18px;border:1px dashed #c9ddfb;border-radius:12px;background:#fff}
.fq-search-none b{color:#006eff}
.fq-search-none a{color:#006eff;text-decoration:none;font-weight:600}
/* 入场动画延迟 */
.fq-cats>.cvm-reveal:nth-child(2){animation-delay:.07s}
.fq-cats>.cvm-reveal:nth-child(3){animation-delay:.14s}
.fq-cats>.cvm-reveal:nth-child(4){animation-delay:.21s}
.fq-cats>.cvm-reveal:nth-child(5){animation-delay:.28s}
.fq-cats>.cvm-reveal:nth-child(6){animation-delay:.35s}
.fq-cats>.cvm-reveal:nth-child(7){animation-delay:.42s}
.fq-cats>.cvm-reveal:nth-child(8){animation-delay:.49s}
.fq-cats>.cvm-reveal:nth-child(9){animation-delay:.56s}
.fq-guide>.cvm-reveal:nth-child(2){animation-delay:.08s}
.fq-guide>.cvm-reveal:nth-child(3){animation-delay:.16s}
.fq-guide>.cvm-reveal:nth-child(4){animation-delay:.24s}
.fq-guide>.cvm-reveal:nth-child(5){animation-delay:.32s}
.fq-guide>.cvm-reveal:nth-child(6){animation-delay:.4s}
/* 响应式 */
@media (max-width:1024px){
  .fq-cats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .fq-banner{padding:56px 0}
  .fq-banner__title{font-size:34px}
  .fq-banner__subtitle{font-size:16px}
  .fq-banner__desc{font-size:14px;line-height:24px}
  .fq-search{max-width:none;padding:5px 5px 5px 16px}
  .fq-search__btn{padding:0 20px;font-size:14px}
  .fq-cats{grid-template-columns:1fr;gap:12px}
  .fq-guide{grid-template-columns:1fr;gap:22px}
  .fq-guide:before{left:34px;right:auto;top:10px;bottom:10px;width:2px;height:auto;background:linear-gradient(180deg,#c9ddfb,#006eff,#c9ddfb)}
  .fq-guide__step{display:flex;gap:16px;align-items:flex-start;padding:0}
  .fq-guide__num{margin:0;flex-shrink:0;width:56px;height:56px;font-size:17px}
  .fq-guide__card{text-align:left;flex:1}
  .fq-hot__list{grid-template-columns:1fr}
  .fq-main{grid-template-columns:1fr;gap:20px}
  .fq-side{position:static;display:flex;flex-wrap:wrap;gap:6px;padding:12px}
  .fq-side__tit{width:100%;margin:0 0 6px}
  .fq-side__link{padding:8px 12px;border:1px solid #eef3fb}
  .fq-side__link.is-active:before{display:none}
  .fq-cat{padding:18px 16px}
  #fq-guide{padding-bottom:88px}
  #faq-page .pt-hd{margin:0 0 32px;padding-left:16px}
}
/* ============================================================
   news.html 官方公告中心（nz 类样式）
   主色 #006eff / 次色 #5aa8ff，与首页、内页协调
   ============================================================ */
#news-page{background:#fff}
/* ---------- Banner ---------- */
.nz-banner{
  position:relative;overflow:hidden;
  padding:86px 0 78px;
  background:radial-gradient(1200px 500px at 15% -10%,#eaf2ff 0%,rgba(234,242,255,0) 60%),
             radial-gradient(1000px 460px at 90% 0%,#e0ebff 0%,rgba(224,235,255,0) 55%),
             linear-gradient(180deg,#f6f9ff 0%,#f2f7ff 100%);
  text-align:center;
}
.nz-banner:before,.nz-banner:after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.nz-banner:before{width:340px;height:340px;left:-120px;top:-140px;background:radial-gradient(circle,rgba(0,110,255,.10),rgba(0,110,255,0) 70%)}
.nz-banner:after{width:420px;height:420px;right:-160px;bottom:-220px;background:radial-gradient(circle,rgba(90,168,255,.12),rgba(90,168,255,0) 70%)}
.nz-banner__badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 18px;margin-bottom:20px;border-radius:100px;
  font-size:13px;font-weight:600;color:#006eff;letter-spacing:1px;
  background:#fff;border:1px solid #c9ddfb;box-shadow:0 6px 18px rgba(0,110,255,.08);
}
.nz-banner__badge:before{content:"";width:7px;height:7px;border-radius:50%;background:#006eff;box-shadow:0 0 0 3px rgba(0,110,255,.16)}
.nz-banner__title{
  margin:0 0 14px;font-size:46px;line-height:1.15;font-weight:800;color:#18243a;letter-spacing:1px;
}
.nz-banner__subtitle{font-size:18px;font-weight:600;color:#18243a;margin:0 0 12px}
.nz-banner__desc{max-width:720px;margin:0 auto;font-size:15px;line-height:1.9;color:#6b7a99}
.nz-search{
  position:relative;display:flex;align-items:center;max-width:620px;margin:30px auto 0;
  height:58px;padding:0 8px 0 22px;border-radius:16px;background:#fff;
  border:1px solid #e8edf5;box-shadow:0 12px 34px rgba(11,31,71,.10);
  transition:border-color .25s,box-shadow .25s;
}
.nz-search:focus-within{border-color:#006eff;box-shadow:0 12px 34px rgba(0,110,255,.18)}
.nz-search__icon{flex-shrink:0;width:20px;height:20px;color:#9fb0cc}
.nz-search__ipt{flex:1;min-width:0;height:100%;border:none;outline:none;background:transparent;font-size:15px;color:#18243a;padding:0 14px}
.nz-search__ipt::placeholder{color:#a6b3c9}
.nz-search__clear{flex-shrink:0;width:30px;height:30px;border:none;border-radius:50%;background:#eef2f8;color:#8b99b3;font-size:18px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center}
.nz-search__clear.is-show{display:inline-flex}
.nz-search__btn{flex-shrink:0;height:44px;padding:0 30px;border:none;border-radius:12px;cursor:pointer;
  background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(0,110,255,.25);transition:transform .2s,box-shadow .2s}
.nz-search__btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,110,255,.35)}
.nz-hots{margin-top:22px;font-size:14px;color:#6b7a99}
.nz-hots b{color:#18243a;font-weight:600;margin-right:6px}
.nz-hots a{display:inline-block;margin:0 4px;padding:4px 14px;border-radius:100px;color:#5a6c8c;background:#fff;border:1px solid #e8edf5;transition:all .2s}
.nz-hots a:hover{color:#006eff;border-color:#c9ddfb;background:#f4f8ff}
/* ---------- 分类 Tab ---------- */
.nz-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.nz-tab{
  display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:12px;
  border:1px solid #e8edf5;background:#fff;color:#5a6c8c;font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s;
}
.nz-tab .nz-tab__cnt{font-size:12px;font-weight:700;padding:1px 9px;border-radius:100px;background:#eef2f8;color:#8b99b3}
.nz-tab:hover{color:#006eff;border-color:#c9ddfb}
.nz-tab.is-active{
  background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;border-color:transparent;
  box-shadow:0 10px 24px rgba(0,110,255,.28);
}
.nz-tab.is-active .nz-tab__cnt{background:rgba(255,255,255,.22);color:#fff}
/* ---------- 主体两栏 ---------- */
.nz-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
/* ---------- 列表 ---------- */
.nz-list{display:flex;flex-direction:column;gap:16px}
.nz-item{
  position:relative;display:flex;align-items:center;gap:22px;
  padding:24px 26px;border-radius:16px;background:#fff;border:1px solid #e8edf5;
  cursor:pointer;text-decoration:none;transition:all .28s;
}
.nz-item:hover{border-color:#c9ddfb;box-shadow:0 16px 40px rgba(0,110,255,.12);transform:translateY(-3px)}
.nz-item__date{
  flex-shrink:0;width:66px;height:66px;border-radius:14px;
  background:linear-gradient(160deg,#eef4ff,#e0ebff);color:#006eff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1;
}
.nz-item__date .d{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.nz-item__date .ym{font-size:12px;margin-top:6px;color:#5a8fd6;font-weight:600}
.nz-item__body{flex:1;min-width:0}
.nz-item__title{
  display:flex;align-items:center;gap:10px;margin:0 0 10px;
  font-size:17px;font-weight:700;color:#18243a;line-height:1.5;
}
.nz-item:hover .nz-item__title{color:#006eff}
.nz-item__title .nz-item__txt{display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nz-item__desc{
  margin:0 0 14px;font-size:14px;line-height:1.75;color:#6b7a99;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nz-item__meta{display:flex;align-items:center;gap:16px;font-size:13px;color:#8b99b3}
.nz-item__tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:100px;font-size:12px;font-weight:600;
  background:#eaf2ff;color:#006eff}
.nz-item__tag.is-tip{background:#e8f7f0;color:#0fa968}
.nz-item__read{display:inline-flex;align-items:center;gap:5px}
.nz-item__arrow{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:#f4f8ff;color:#9fb0cc;
  display:flex;align-items:center;justify-content:center;transition:all .28s}
.nz-item:hover .nz-item__arrow{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;transform:translateX(3px)}
/* ---------- 侧边栏 ---------- */
.nz-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.nz-card{border-radius:16px;background:#fff;border:1px solid #e8edf5;padding:24px;overflow:hidden}
.nz-card__tit{display:flex;align-items:center;gap:9px;margin:0 0 18px;font-size:16px;font-weight:700;color:#18243a}
.nz-card__tit:before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,#006eff,#5aa8ff)}
.nz-hot{display:flex;flex-direction:column}
.nz-hot__item{display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-bottom:1px dashed #eef2f8;text-decoration:none}
.nz-hot__item:last-child{border-bottom:none;padding-bottom:0}
.nz-hot__no{flex-shrink:0;width:24px;height:24px;border-radius:8px;background:#eef2f8;color:#8b99b3;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:"Helvetica Neue",Arial,sans-serif}
.nz-hot__item:nth-child(1) .nz-hot__no,.nz-hot__item:nth-child(2) .nz-hot__no,.nz-hot__item:nth-child(3) .nz-hot__no{
  background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff}
.nz-hot__t{flex:1;min-width:0;font-size:14px;color:#5a6c8c;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.nz-hot__item:hover .nz-hot__t{color:#006eff}
.nz-hot__r{flex-shrink:0;font-size:12px;color:#a6b3c9;margin-top:2px}
.nz-sub{position:relative;border-radius:16px;padding:26px 24px;color:#fff;
  background:linear-gradient(150deg,#006eff,#4a97ff)}
.nz-sub:after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.10)}
.nz-sub__tit{position:relative;z-index:1;margin:0 0 8px;font-size:18px;font-weight:800}
.nz-sub__desc{position:relative;z-index:1;margin:0 0 18px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.86)}
.nz-sub__btn{position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:100px;
  background:#fff;color:#006eff;font-size:13px;font-weight:700;text-decoration:none;transition:transform .2s}
.nz-sub__btn:hover{transform:translateY(-2px)}
.nz-links{display:flex;flex-direction:column}
.nz-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 2px;border-bottom:1px dashed #eef2f8;
  font-size:14px;color:#5a6c8c;text-decoration:none;transition:color .2s}
.nz-links a:last-child{border-bottom:none}
.nz-links a:hover{color:#006eff}
.nz-links a i{font-style:normal;color:#c2cdde;transition:transform .2s,color .2s}
.nz-links a:hover i{color:#006eff;transform:translateX(3px)}
/* ---------- 分页 ---------- */
.nz-pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.nz-pager__btn{min-width:40px;height:40px;padding:0 14px;border-radius:10px;border:1px solid #e8edf5;background:#fff;
  color:#5a6c8c;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.nz-pager__btn:hover:not(:disabled){color:#006eff;border-color:#c9ddfb}
.nz-pager__btn.is-cur{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(0,110,255,.3)}
.nz-pager__btn:disabled{opacity:.4;cursor:not-allowed}
.nz-pager__info{margin-left:8px;font-size:13px;color:#8b99b3}
/* ---------- 状态 ---------- */
.nz-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:70px 20px;text-align:center;color:#8b99b3}
.nz-state__icon{width:64px;height:64px;border-radius:18px;background:#f4f8ff;color:#c2cdde;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.nz-state p{margin:0 0 16px;font-size:14px}
.nz-state .nz-search__btn{padding:0 24px;height:40px;font-size:14px}
.nz-skeleton{display:flex;flex-direction:column;gap:16px}
.nz-skeleton .sk{height:118px;border-radius:16px;background:linear-gradient(100deg,#f2f5fa 40%,#eef2f8 50%,#f2f5fa 60%);background-size:200% 100%;animation:nzSk 1.3s infinite}
@keyframes nzSk{0%{background-position:100% 0}100%{background-position:-100% 0}}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nz-layout{grid-template-columns:1fr}
  .nz-side{position:static}
}
@media (max-width:640px){
  .nz-banner{padding:56px 0 48px}
  .nz-banner__title{font-size:32px}
  .nz-search{height:52px;padding-left:16px}
  .nz-search__btn{padding:0 20px;height:40px}
  .nz-item{padding:18px;gap:14px}
  .nz-item__date{width:52px;height:52px;border-radius:12px}
  .nz-item__date .d{font-size:19px}
  .nz-item__title{font-size:15px}
  .nz-item__arrow{display:none}
}
/* ============================================================
   helpcenter.html 帮助中心（hc 类样式）
   主色 #006eff / 次色 #5aa8ff，与首页、news、faq 协调
   ============================================================ */
#help-page{background:#fff}
/* ---------- Banner：深蓝渐变 + 搜索 ---------- */
.hc-banner{position:relative;overflow:hidden;padding:96px 0 88px;text-align:center;color:#fff;background:linear-gradient(135deg,#0b1f47 0%,#123a78 55%,#1a4fa0 100%)}
.hc-banner:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px}
.hc-banner:after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-190px;left:50%;margin-left:-280px;background:radial-gradient(circle,rgba(90,168,255,.22),transparent 70%)}
.hc-banner .cvm-container{position:relative;z-index:1}
.hc-banner__badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;margin-bottom:20px;border:1px solid rgba(122,178,255,.5);border-radius:100px;background:rgba(90,168,255,.16);color:#cfe0ff;font-size:13px;letter-spacing:1px;line-height:1.4}
.hc-banner__badge:before{content:"";width:6px;height:6px;border-radius:50%;background:#5aa8ff}
.hc-banner__title{font-size:54px;font-weight:800;line-height:1.1;margin:0 0 14px;color:#fff;letter-spacing:1px}
.hc-banner__title .pt-hl{background:linear-gradient(90deg,#8ab6ff,#5aa8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hc-banner__subtitle{font-size:20px;font-weight:600;color:#8ab6ff;margin:0 0 14px}
.hc-banner__desc{max-width:760px;margin:0 auto 34px;font-size:15px;line-height:27px;color:rgba(255,255,255,.78)}
.hc-search{position:relative;display:flex;align-items:center;max-width:680px;margin:0 auto;background:#fff;border-radius:100px;padding:6px 6px 6px 22px;box-shadow:0 16px 40px rgba(0,20,60,.28)}
.hc-search__icon{flex-shrink:0;width:20px;height:20px;color:#9aa9c2}
.hc-search__ipt{flex:1;min-width:0;height:44px;border:0;outline:none;background:transparent;font-size:15px;color:#18243a;padding:0 12px}
.hc-search__ipt::placeholder{color:#9aa9c2}
.hc-search__clear{flex-shrink:0;width:28px;height:28px;border:0;background:#eef2f8;color:#6b7a99;border-radius:50%;font-size:16px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center}
.hc-search__clear.is-show{display:inline-flex}
.hc-search__clear:hover{background:#e2e9f4}
.hc-search__btn{flex-shrink:0;height:44px;padding:0 30px;border:0;border-radius:100px;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:box-shadow .3s}
.hc-search__btn:hover{box-shadow:0 8px 20px rgba(0,110,255,.4)}
.hc-hots{margin-top:22px;font-size:13px;color:#cfe0ff;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.hc-hots b{color:rgba(255,255,255,.6);font-weight:600}
.hc-hots a{color:#cfe0ff;text-decoration:none;padding:4px 12px;border:1px solid rgba(122,178,255,.35);border-radius:100px;transition:all .25s}
.hc-hots a:hover{background:rgba(90,168,255,.2);color:#fff;border-color:#5aa8ff}
/* ---------- 分类卡片 ---------- */
.hc-cats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.hc-cat-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:26px 24px;background:#fff;border:1px solid #e8edf5;border-radius:16px;text-decoration:none;overflow:hidden;cursor:pointer;transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s,border-color .35s}
.hc-cat-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#006eff,#5aa8ff);transform:scaleY(0);transform-origin:top;transition:transform .35s}
.hc-cat-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,110,255,.14);border-color:#b6d2ff}
.hc-cat-card:hover:before{transform:scaleY(1)}
.hc-cat-card__icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(135deg,#eef4ff,#e0ebff);color:#006eff;display:flex;align-items:center;justify-content:center;transition:all .35s}
.hc-cat-card:hover .hc-cat-card__icon{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;transform:rotate(-6deg);box-shadow:0 10px 22px rgba(0,110,255,.3)}
.hc-cat-card__icon svg{width:24px;height:24px;display:block}
.hc-cat-card__name{font-size:17px;font-weight:700;color:#18243a}
.hc-cat-card__count{display:inline-flex;margin-top:auto;padding:4px 12px;border-radius:100px;background:#eaf2ff;color:#0b2a6b;font-size:12px;font-weight:600;transition:all .35s}
.hc-cat-card:hover .hc-cat-card__count{background:#006eff;color:#fff}
/* ---------- 分类 Tab ---------- */
.hc-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hc-tab{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:12px;border:1px solid #e8edf5;background:#fff;color:#5a6c8c;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s}
.hc-tab .hc-tab__cnt{font-size:12px;font-weight:700;padding:1px 9px;border-radius:100px;background:#eef2f8;color:#8b99b3}
.hc-tab:hover{color:#006eff;border-color:#c9ddfb}
.hc-tab.is-active{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(0,110,255,.28)}
.hc-tab.is-active .hc-tab__cnt{background:rgba(255,255,255,.22);color:#fff}
/* ---------- 主体两栏 ---------- */
.hc-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
/* ---------- 文档列表 ---------- */
.hc-list{display:flex;flex-direction:column;gap:16px}
.hc-item{position:relative;display:flex;align-items:center;gap:22px;padding:24px 26px;border-radius:16px;background:#fff;border:1px solid #e8edf5;cursor:pointer;text-decoration:none;transition:all .28s}
.hc-item:hover{border-color:#c9ddfb;box-shadow:0 16px 40px rgba(0,110,255,.12);transform:translateY(-3px)}
.hc-item__date{flex-shrink:0;width:66px;height:66px;border-radius:14px;background:linear-gradient(160deg,#eef4ff,#e0ebff);color:#006eff;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.hc-item__date .d{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.hc-item__date .ym{font-size:12px;margin-top:6px;color:#5a8fd6;font-weight:600}
.hc-item__body{flex:1;min-width:0}
.hc-item__title{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:17px;font-weight:700;color:#18243a;line-height:1.5}
.hc-item:hover .hc-item__title{color:#006eff}
.hc-item__title .hc-item__txt{display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hc-item__desc{margin:0 0 14px;font-size:14px;line-height:1.75;color:#6b7a99;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hc-item__meta{display:flex;align-items:center;gap:16px;font-size:13px;color:#8b99b3}
.hc-item__tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:100px;font-size:12px;font-weight:600;background:#eaf2ff;color:#006eff}
.hc-item__read{display:inline-flex;align-items:center;gap:5px}
.hc-item__arrow{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:#f4f8ff;color:#9fb0cc;display:flex;align-items:center;justify-content:center;transition:all .28s}
.hc-item:hover .hc-item__arrow{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;transform:translateX(3px)}
/* ---------- 侧边栏 ---------- */
.hc-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.hc-card{border-radius:16px;background:#fff;border:1px solid #e8edf5;padding:24px;overflow:hidden}
.hc-card__tit{display:flex;align-items:center;gap:9px;margin:0 0 18px;font-size:16px;font-weight:700;color:#18243a}
.hc-card__tit:before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,#006eff,#5aa8ff)}
.hc-hot{display:flex;flex-direction:column}
.hc-hot__item{display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-bottom:1px dashed #eef2f8;text-decoration:none}
.hc-hot__item:last-child{border-bottom:none;padding-bottom:0}
.hc-hot__no{flex-shrink:0;width:24px;height:24px;border-radius:8px;background:#eef2f8;color:#8b99b3;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:"Helvetica Neue",Arial,sans-serif}
.hc-hot__item:nth-child(1) .hc-hot__no,.hc-hot__item:nth-child(2) .hc-hot__no,.hc-hot__item:nth-child(3) .hc-hot__no{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff}
.hc-hot__t{flex:1;min-width:0;font-size:14px;color:#5a6c8c;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.hc-hot__item:hover .hc-hot__t{color:#006eff}
.hc-hot__r{flex-shrink:0;font-size:12px;color:#a6b3c9;margin-top:2px}
.hc-sub{position:relative;border-radius:16px;padding:26px 24px;color:#fff;background:linear-gradient(150deg,#006eff,#4a97ff)}
.hc-sub:after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.10)}
.hc-sub__tit{position:relative;z-index:1;margin:0 0 8px;font-size:18px;font-weight:800}
.hc-sub__desc{position:relative;z-index:1;margin:0 0 18px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.86)}
.hc-sub__btn{position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:100px;background:#fff;color:#006eff;font-size:13px;font-weight:700;text-decoration:none;transition:transform .2s}
.hc-sub__btn:hover{transform:translateY(-2px)}
.hc-links{display:flex;flex-direction:column}
.hc-links a,.hc-links__item{display:flex;align-items:center;justify-content:space-between;padding:12px 2px;border-bottom:1px dashed #eef2f8;font-size:14px;color:#5a6c8c;text-decoration:none;transition:color .2s;cursor:pointer}
.hc-links a:last-child,.hc-links__item:last-child{border-bottom:none}
.hc-links a:hover,.hc-links__item:hover{color:#006eff}
.hc-links a i,.hc-links__item i{font-style:normal;color:#c2cdde;transition:transform .2s,color .2s}
.hc-links a:hover i,.hc-links__item:hover i{color:#006eff;transform:translateX(3px)}
/* ---------- 分页 ---------- */
.hc-pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.hc-pager__btn{min-width:40px;height:40px;padding:0 14px;border-radius:10px;border:1px solid #e8edf5;background:#fff;color:#5a6c8c;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.hc-pager__btn:hover:not(:disabled){color:#006eff;border-color:#c9ddfb}
.hc-pager__btn.is-cur{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(0,110,255,.3)}
.hc-pager__btn:disabled{opacity:.4;cursor:not-allowed}
.hc-pager__info{margin-left:8px;font-size:13px;color:#8b99b3}
/* ---------- 状态 ---------- */
.hc-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:70px 20px;text-align:center;color:#8b99b3}
.hc-state__icon{width:64px;height:64px;border-radius:18px;background:#f4f8ff;color:#c2cdde;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.hc-state p{margin:0 0 16px;font-size:14px}
.hc-state .hc-search__btn{padding:0 24px;height:40px;font-size:14px;border-radius:12px}
.hc-skeleton{display:flex;flex-direction:column;gap:16px}
.hc-skeleton .sk{height:118px;border-radius:16px;background:linear-gradient(100deg,#f2f5fa 40%,#eef2f8 50%,#f2f5fa 60%);background-size:200% 100%;animation:hcSk 1.3s infinite}
@keyframes hcSk{0%{background-position:100% 0}100%{background-position:-100% 0}}
/* ---------- 新手指引：圆点时间线 ---------- */
.hc-guide{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.hc-guide:before{content:"";position:absolute;left:10%;right:10%;top:34px;height:2px;background:linear-gradient(90deg,#c9ddfb,#006eff,#c9ddfb)}
.hc-guide__step{position:relative;display:flex;flex-direction:column;align-items:center;padding:0 14px}
.hc-guide__num{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:68px;height:68px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:20px;font-weight:800;font-family:"Helvetica Neue",Arial,sans-serif;box-shadow:0 0 0 6px #fff,0 0 0 8px rgba(0,110,255,.14),0 14px 30px rgba(0,110,255,.3);transition:transform .35s}
.hc-guide__step:hover .hc-guide__num{transform:scale(1.12)}
.hc-guide__card{flex:1;width:100%;background:#fff;border:1px solid #e8edf5;border-radius:14px;padding:22px 18px;text-align:center;box-sizing:border-box;transition:transform .35s,box-shadow .35s,border-color .35s}
.hc-guide__step:hover .hc-guide__card{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,110,255,.12);border-color:#b6d2ff}
.hc-guide__title{margin:0 0 6px;font-size:16px;font-weight:700;color:#18243a}
.hc-guide__desc{margin:0;font-size:13px;line-height:1.65;color:#6b7a99}
/* ---------- 新手指引：底部留白 + CTA 按钮 ---------- */
#hc-guide{padding-bottom:170px}
.hc-guide__cta{display:flex;justify-content:center;margin-top:56px}
.hc-guide__btn{display:inline-flex;align-items:center;gap:10px;padding:16px 46px;border-radius:100px;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:17px;font-weight:700;text-decoration:none;box-shadow:0 14px 34px rgba(0,110,255,.32);transition:transform .3s,box-shadow .3s}
.hc-guide__btn svg{width:20px;height:20px;transition:transform .3s}
.hc-guide__btn:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(0,110,255,.42)}
.hc-guide__btn:hover svg{transform:translateX(4px)}
/* 入场动画延迟 */
.hc-cats>.hc-cat-card:nth-child(2){animation-delay:.07s}
.hc-cats>.hc-cat-card:nth-child(3){animation-delay:.14s}
.hc-cats>.hc-cat-card:nth-child(4){animation-delay:.21s}
.hc-cats>.hc-cat-card:nth-child(5){animation-delay:.28s}
.hc-cats>.hc-cat-card:nth-child(6){animation-delay:.35s}
.hc-guide>.hc-guide__step:nth-child(2){animation-delay:.08s}
.hc-guide>.hc-guide__step:nth-child(3){animation-delay:.16s}
.hc-guide>.hc-guide__step:nth-child(4){animation-delay:.24s}
.hc-guide>.hc-guide__step:nth-child(5){animation-delay:.32s}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hc-cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hc-layout{grid-template-columns:1fr}
  .hc-side{position:static}
}
@media (max-width:768px){
  .hc-banner{padding:56px 0}
  .hc-banner__title{font-size:34px}
  .hc-banner__subtitle{font-size:16px}
  .hc-banner__desc{font-size:14px;line-height:24px}
  .hc-search{max-width:none;padding:5px 5px 5px 16px}
  .hc-search__btn{padding:0 20px;font-size:14px}
  .hc-cats{grid-template-columns:1fr;gap:12px}
  .hc-guide{grid-template-columns:1fr;gap:22px}
  .hc-guide:before{left:34px;right:auto;top:10px;bottom:10px;width:2px;height:auto;background:linear-gradient(180deg,#c9ddfb,#006eff,#c9ddfb)}
  .hc-guide__step{display:flex;flex-direction:row;gap:16px;align-items:flex-start;padding:0}
  .hc-guide__num{margin:0;flex-shrink:0;width:56px;height:56px;font-size:17px}
  .hc-guide__card{text-align:left;flex:1}
}
@media (max-width:768px){
  #hc-guide{padding-bottom:110px}
  .hc-guide__cta{margin-top:42px}
}
@media (max-width:640px){
  .hc-banner{padding:52px 0 44px}
  .hc-banner__title{font-size:30px}
  .hc-search{height:52px;padding-left:16px}
  .hc-search__btn{padding:0 18px;height:40px}
  .hc-item{padding:18px;gap:14px}
  .hc-item__date{width:52px;height:52px;border-radius:12px}
  .hc-item__date .d{font-size:19px}
  .hc-item__title{font-size:15px}
  .hc-item__arrow{display:none}
  .hc-guide__btn{width:100%;justify-content:center;padding:15px 30px;font-size:16px}
}
/* ============================================================
   bt.html 宝塔面板部署教程（bt 类样式）
   主色 #006eff / 次色 #5aa8ff，与首页、cloud、faq、hc 协调
   ============================================================ */
#bt-page{background:#fff}
/* 标题区左对齐 + 左侧渐变竖条（与 faq / partners 一致） */
#bt-page .cvm-hd{text-align:left;max-width:none;position:relative;padding-left:20px}
#bt-page .cvm-hd:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:linear-gradient(180deg,#006eff,#5aa8ff)}
/* ---------- Banner：深蓝渐变 + 合作标识 ---------- */
.bt-banner{position:relative;overflow:hidden;padding:96px 0 88px;text-align:center;color:#fff;background:linear-gradient(135deg,#0b1f47 0%,#123a78 55%,#1a4fa0 100%)}
.bt-banner:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px}
.bt-banner:after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-190px;left:50%;margin-left:-280px;background:radial-gradient(circle,rgba(90,168,255,.22),transparent 70%)}
.bt-banner .cvm-container{position:relative;z-index:1}
.bt-banner__badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;margin-bottom:20px;border:1px solid rgba(122,178,255,.5);border-radius:100px;background:rgba(90,168,255,.16);color:#cfe0ff;font-size:13px;letter-spacing:1px;line-height:1.4}
.bt-banner__badge:before{content:"";width:6px;height:6px;border-radius:50%;background:#5aa8ff}
.bt-banner__title{font-size:56px;font-weight:800;line-height:1.12;margin:0 0 14px;color:#fff;letter-spacing:1px}
.bt-banner__title .pt-hl{background:linear-gradient(90deg,#8ab6ff,#5aa8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.bt-banner__subtitle{font-size:20px;font-weight:600;color:#8ab6ff;margin:0 0 14px}
.bt-banner__desc{max-width:800px;margin:0 auto;font-size:15px;line-height:28px;color:rgba(255,255,255,.8)}
.bt-banner__btns{display:flex;justify-content:center;gap:16px;margin-top:36px;flex-wrap:wrap}
.bt-banner__btns .cvm-btn{height:50px;padding:0 38px;border-radius:100px;font-size:16px;font-weight:600}
/* ---------- 01 认识宝塔：合作说明 + 特性卡片 ---------- */
.bt-coop{display:flex;align-items:flex-start;gap:18px;padding:26px 28px;margin:0 0 40px;border-radius:16px;background:linear-gradient(120deg,#eef4ff,#e6f0ff);border:1px solid #cfe0fb}
.bt-coop__icon{flex-shrink:0;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,110,255,.28)}
.bt-coop__icon svg{width:26px;height:26px;display:block}
.bt-coop__title{margin:0 0 8px;font-size:17px;font-weight:700;color:#0b2a6b}
.bt-coop__desc{margin:0;font-size:14px;line-height:1.75;color:#5a6c8c}
.bt-feature__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.bt-feature{position:relative;padding:28px 26px;background:#fff;border:1px solid #e8edf5;border-radius:16px;overflow:hidden;transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s,border-color .35s}
.bt-feature:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#006eff,#5aa8ff);transform:scaleY(0);transform-origin:top;transition:transform .35s}
.bt-feature:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,110,255,.14);border-color:#b6d2ff}
.bt-feature:hover:before{transform:scaleY(1)}
.bt-feature__no{position:absolute;right:20px;top:16px;font-size:34px;font-weight:800;color:#eef3fb;font-family:"Helvetica Neue",Arial,sans-serif;line-height:1;transition:color .35s}
.bt-feature:hover .bt-feature__no{color:#dbe9ff}
.bt-feature__icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;margin-bottom:18px;border-radius:13px;background:linear-gradient(135deg,#eef4ff,#e0ebff);color:#006eff;transition:all .35s}
.bt-feature:hover .bt-feature__icon{background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;transform:rotate(-6deg);box-shadow:0 10px 22px rgba(0,110,255,.3)}
.bt-feature__icon svg{width:26px;height:26px;display:block}
.bt-feature__title{margin:0 0 8px;font-size:17px;font-weight:700;color:#18243a}
.bt-feature__desc{margin:0;font-size:13px;line-height:1.7;color:#6b7a99}
/* ---------- 02 部署教程：五步流程 ---------- */
.bt-steps__grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.bt-steps__grid:before{content:"";position:absolute;left:10%;right:10%;top:34px;height:2px;background:linear-gradient(90deg,#c9ddfb,#006eff,#c9ddfb)}
.bt-step{position:relative;display:flex;flex-direction:column;align-items:center;padding:0 14px}
.bt-step__num{position:relative;z-index:2;flex-shrink:0;display:flex;align-items:center;justify-content:center;width:68px;height:68px;margin:0 0 20px;border-radius:50%;background:linear-gradient(135deg,#006eff,#5aa8ff);color:#fff;font-size:20px;font-weight:800;font-family:"Helvetica Neue",Arial,sans-serif;box-shadow:0 0 0 6px #f6f9ff,0 0 0 8px rgba(0,110,255,.14),0 14px 30px rgba(0,110,255,.3);transition:transform .35s}
.bt-step:hover .bt-step__num{transform:scale(1.12)}
.bt-step__card{flex:1;width:100%;background:#fff;border:1px solid #e8edf5;border-radius:14px;padding:22px 18px;text-align:center;box-sizing:border-box;transition:transform .35s,box-shadow .35s,border-color .35s}
.bt-step:hover .bt-step__card{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,110,255,.12);border-color:#b6d2ff}
.bt-step__title{margin:0 0 6px;font-size:16px;font-weight:700;color:#18243a}
.bt-step__desc{margin:0;font-size:13px;line-height:1.7;color:#6b7a99}
.bt-step__desc code{font-family:Consolas,Menlo,monospace;font-size:12px;color:#006eff;background:#eef4ff;padding:1px 6px;border-radius:4px}
/* ---------- 03 安装命令：终端卡片 ---------- */
.bt-term__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.bt-term{border-radius:16px;overflow:hidden;background:#0d1b34;box-shadow:0 24px 60px rgba(11,31,71,.28)}
.bt-term__head{display:flex;align-items:center;gap:14px;padding:14px 18px;background:#132544;border-bottom:1px solid rgba(255,255,255,.08)}
.bt-term__dots{display:flex;gap:6px}
.bt-term__dots i{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.bt-term__dots i:nth-child(2){background:#febc2e}
.bt-term__dots i:nth-child(3){background:#28c840}
.bt-term__name{font-size:13px;font-weight:600;color:#cfe0ff;letter-spacing:.3px}
.bt-term__body{position:relative;padding:18px 20px 22px}
.bt-term__tip{position:relative;margin:0 0 12px;padding-left:18px;font-size:13px;color:#6f86ac;font-family:Consolas,Menlo,monospace}
.bt-term__tip:before{content:"$";position:absolute;left:0;color:#4a8cff;font-weight:700}
.bt-term__code{margin:0;padding:20px 22px;border-radius:12px;background:#081226;border:1px solid rgba(90,168,255,.18);color:#9fe0b0;font-family:Consolas,Menlo,Monaco,monospace;font-size:13.5px;line-height:1.75;white-space:pre-wrap;word-break:break-all;overflow-x:auto}
.bt-copy{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:10px 22px;border:1px solid rgba(90,168,255,.45);border-radius:100px;background:rgba(90,168,255,.14);color:#8ab6ff;font-size:13px;font-weight:600;cursor:pointer;transition:all .25s}
.bt-copy svg{width:16px;height:16px}
.bt-copy:hover{background:rgba(90,168,255,.26);border-color:#5aa8ff;color:#fff}
.bt-copy.is-copied{background:linear-gradient(135deg,#28c840,#2fbf71);border-color:transparent;color:#fff}
.bt-install__src{margin:24px 0 0;text-align:center;font-size:14px;color:#6b7a99}
.bt-install__src a{color:#006eff;text-decoration:none;font-weight:600}
.bt-install__src a:hover{text-decoration:underline}
.bt-install__src code{font-family:Consolas,Menlo,monospace;font-size:13px;color:#0b2a6b;background:#eef4ff;padding:1px 7px;border-radius:4px}
/* ---------- 04 环境要求 ---------- */
.bt-req__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.bt-req-card{padding:26px 24px;background:#fff;border:1px solid #e8edf5;border-radius:16px;transition:transform .35s,box-shadow .35s,border-color .35s}
.bt-req-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,110,255,.12);border-color:#b6d2ff}
.bt-req-card__icon{display:flex;align-items:center;justify-content:center;width:50px;height:50px;margin-bottom:16px;border-radius:13px;background:linear-gradient(135deg,#eef4ff,#e0ebff);color:#006eff}
.bt-req-card__icon svg{width:24px;height:24px;display:block}
.bt-req-card__title{margin:0 0 8px;font-size:16px;font-weight:700;color:#18243a}
.bt-req-card__desc{margin:0;font-size:13px;line-height:1.7;color:#6b7a99}
/* ---------- 06 管理命令：左表格 + 右小贴士 ---------- */
.bt-cmd__layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
.bt-cmd__table{border-radius:16px;overflow:hidden;border:1px solid #e8edf5;background:#fff;box-shadow:0 12px 34px rgba(0,60,150,.05)}
.bt-cmd__row{display:grid;grid-template-columns:minmax(240px,340px) minmax(0,1fr);gap:24px;align-items:center;padding:18px 26px;border-bottom:1px solid #eef3fb;font-size:14px;color:#5a6c8c}
.bt-cmd__row:last-child{border-bottom:none}
.bt-cmd__row--head{background:#f4f8ff;font-weight:700;color:#18243a;font-size:14px}
.bt-cmd__row code{font-family:Consolas,Menlo,monospace;font-size:14px;color:#0b2a6b;background:#eef4ff;padding:5px 12px;border-radius:7px;display:inline-block}
.bt-tips{display:flex;flex-direction:column;padding:28px 26px;border-radius:16px;background:linear-gradient(150deg,#006eff,#4a97ff);color:#fff;box-shadow:0 18px 44px rgba(0,110,255,.28)}
.bt-tips__title{position:relative;margin:0 0 18px;font-size:18px;font-weight:800}
.bt-tips__list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:14px}
.bt-tips__list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.65;color:rgba(255,255,255,.92)}
.bt-tips__list li i{flex-shrink:0;width:6px;height:6px;margin-top:8px;border-radius:50%;background:#cfe0ff;box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.bt-tips__btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:auto;padding:13px 24px;border-radius:100px;background:#fff;color:#006eff;font-size:14px;font-weight:700;text-decoration:none;transition:transform .25s}
.bt-tips__btn svg{width:18px;height:18px;transition:transform .25s}
.bt-tips__btn:hover{transform:translateY(-2px)}
.bt-tips__btn:hover svg{transform:translateX(3px)}
/* ---------- 02 部署教程 / 04 Windows 教程：板块底部留白 ---------- */
#bt-steps{padding-bottom:170px}
#bt-win{padding-bottom:170px}
/* ---------- 04 Windows 安装教程：底部说明 ---------- */
.bt-win__note{margin:56px 0 0;text-align:center;font-size:14px;color:#6b7a99}
.bt-win__note a{color:#006eff;text-decoration:none;font-weight:600}
.bt-win__note a:hover{text-decoration:underline}
/* ---------- 06 FAQ 配色 ---------- */
#bt-page .cvm-faq__item{border-radius:14px}
#bt-page .cvm-faq__item:hover{border-left-color:#006eff}
#bt-page .cvm-faq__item.is-open{border-color:#c9ddfb;border-left-color:#006eff;box-shadow:0 14px 34px rgba(0,110,255,.12)}
#bt-page .cvm-faq__q:hover{color:#006eff}
#bt-page .cvm-faq__a p code{font-family:Consolas,Menlo,monospace;font-size:13px;color:#0b2a6b;background:#eef4ff;padding:1px 7px;border-radius:4px}
/* 联系我们通栏高亮 */
#bt-page .pt-contact__hl{background:linear-gradient(90deg,#8ab6ff,#5aa8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
/* 入场动画延迟 */
.bt-feature__grid>.cvm-reveal:nth-child(2){animation-delay:.07s}
.bt-feature__grid>.cvm-reveal:nth-child(3){animation-delay:.14s}
.bt-feature__grid>.cvm-reveal:nth-child(4){animation-delay:.21s}
.bt-feature__grid>.cvm-reveal:nth-child(5){animation-delay:.28s}
.bt-feature__grid>.cvm-reveal:nth-child(6){animation-delay:.35s}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .bt-feature__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bt-req__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .bt-banner{padding:56px 0}
  .bt-banner__title{font-size:34px}
  .bt-banner__subtitle{font-size:16px}
  .bt-banner__desc{font-size:14px;line-height:24px}
  .bt-feature__grid{grid-template-columns:1fr;gap:12px}
  .bt-steps__grid{grid-template-columns:1fr;gap:22px}
  .bt-steps__grid:before{left:34px;right:auto;top:10px;bottom:10px;width:2px;height:auto;background:linear-gradient(180deg,#c9ddfb,#006eff,#c9ddfb)}
  .bt-step{display:flex;flex-direction:row;gap:16px;align-items:flex-start;padding:0}
  .bt-step__num{margin:0;flex-shrink:0;width:56px;height:56px;font-size:17px}
  .bt-step__card{text-align:left;flex:1;width:auto}
  .bt-term__grid{grid-template-columns:1fr}
  .bt-req__grid{grid-template-columns:1fr;gap:12px}
  .bt-cmd__layout{grid-template-columns:1fr}
  .bt-cmd__row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .bt-coop{flex-direction:column}
  #bt-page .cvm-hd{margin:0 0 32px;padding-left:16px}
  #bt-steps{padding-bottom:110px}
  #bt-win{padding-bottom:110px}
  .bt-win__note{margin-top:40px}
}