/* ============================================================
   博客页 · 深色玻璃科技风（与首页 styles.css 暗色主题一致）
   依赖 styles.css 中的 CSS 变量、hero-in 动画与全局渐变背景
   ============================================================ */

/* ---------- 页面骨架 ---------- */
.blog-page{
  width:min(880px,calc(100% - 48px));
  margin:0 auto;
  padding:100px 0 130px;
  position:relative;
  z-index:1;
}

/* ---------- 博客头部 ---------- */
.blog-head{max-width:760px;margin-bottom:66px}
.blog-head .section-label{margin-bottom:16px}
.blog-head h1{
  margin:0 0 18px;
  font:600 clamp(46px,5.8vw,72px)/1.06 var(--sans);
  letter-spacing:-.06em;
  color:#f4f6fb;
}
.blog-head h1 em{font-family:var(--serif);font-style:italic;font-weight:400;color:#91a4ff}
.blog-head>p{color:#9aa1b2;font-size:15px;line-height:1.9;max-width:620px;margin:0}
.blog-count{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:24px;padding:9px 16px;border-radius:100px;
  border:1px solid rgba(130,151,255,.35);
  background:rgba(93,124,255,.08);
  color:#8fa3ff;font-size:11px;letter-spacing:.1em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}

/* ---------- 文章列表（玻璃卡片） ---------- */
.blog-list{list-style:none;margin:0;padding:0;display:grid;gap:20px}
.blog-item{
  position:relative;display:block;overflow:hidden;
  padding:32px 36px;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(145deg,rgba(24,28,44,.62),rgba(10,12,20,.48));
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 24px 60px -26px rgba(0,0,0,.6);
  transition:border-color .3s,transform .3s,box-shadow .3s;
  animation:hero-in .8s both;
}
.blog-item::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.06),transparent 42%);
}
.blog-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,#7590ff,transparent);
  transform:scaleX(0);transition:transform .5s ease;
}
.blog-item:hover{
  transform:translateY(-5px);
  border-color:rgba(120,145,255,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 34px 80px -28px rgba(60,80,255,.4);
}
.blog-item:hover::after{transform:scaleX(1)}
.blog-list li:nth-child(1) .blog-item{animation-delay:0s}
.blog-list li:nth-child(2) .blog-item{animation-delay:.07s}
.blog-list li:nth-child(3) .blog-item{animation-delay:.14s}
.blog-list li:nth-child(4) .blog-item{animation-delay:.21s}
.blog-list li:nth-child(5) .blog-item{animation-delay:.28s}
.blog-list li:nth-child(6) .blog-item{animation-delay:.35s}
.blog-item time{
  display:block;color:#728aff;
  font:400 12px var(--serif);letter-spacing:.12em;
}
.blog-item h2{
  margin:15px 0 12px;
  color:#f4f6fb;
  font:500 24px/1.45 var(--sans);
  letter-spacing:-.02em;
  transition:color .25s;
}
.blog-item:hover h2{color:#aebcff}
.blog-item p{color:#9aa1b2;font-size:14px;line-height:1.9;margin:0 0 20px}
.blog-more{
  display:inline-flex;align-items:center;gap:10px;
  color:#8fa3ff;font-size:12.5px;font-weight:600;letter-spacing:.05em;
}
.blog-more::after{content:"→";transition:transform .25s}
.blog-item:hover .blog-more{color:#aebcff}
.blog-item:hover .blog-more::after{transform:translateX(6px)}

/* ---------- 文章详情 ---------- */
.blog-page.article-page{width:min(780px,calc(100% - 48px))}
.article-page .section-label a{
  display:inline-flex;align-items:center;gap:8px;
  color:#728aff;font-size:12px;letter-spacing:.14em;
  transition:color .2s;
}
.article-page .section-label a::before{content:"←"}
.article-page .section-label a:hover{color:#aebcff}
.article-page h1{
  margin:20px 0 16px;
  font:600 clamp(30px,4.6vw,46px)/1.22 var(--sans);
  letter-spacing:-.04em;
  color:#f4f6fb;
}
.article-meta{
  display:flex;align-items:center;gap:12px;
  color:#727a91;font-size:13px;
}
.article-meta time{color:#728aff;font:400 13px var(--serif)}
.article-summary{
  margin:28px 0 44px;
  padding:18px 22px;
  border-left:3px solid #5d7cff;
  border-radius:0 14px 14px 0;
  background:rgba(93,124,255,.07);
  color:#c6d2ff;font-size:15px;line-height:1.95;
}

/* ---------- 正文排版 ---------- */
.article-body{color:#c9ced9;font-size:16.5px;line-height:2.05;margin-top:6px}
.article-body h2{
  font:500 26px/1.4 var(--sans);
  color:#f4f6fb;letter-spacing:-.02em;
  margin:54px 0 18px;
  display:flex;align-items:baseline;gap:14px;
}
.article-body h2::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,#6d8dff,#8a5cff);flex:none;transform:translateY(-4px)}
.article-body h3{
  font:500 20px/1.45 var(--sans);
  color:#e8ecf7;letter-spacing:-.01em;
  margin:38px 0 14px;
}
.article-body p{margin:0 0 24px}
.article-body strong{color:#fff}
.article-body a{
  color:#8fa3ff;
  text-decoration:underline;
  text-decoration-color:rgba(143,163,255,.4);
  text-underline-offset:4px;
  transition:color .2s,text-decoration-color .2s;
}
.article-body a:hover{color:#aebcff;text-decoration-color:#aebcff}
.article-body ul,.article-body ol{margin:0 0 26px;padding:0;list-style:none}
.article-body li{position:relative;padding-left:26px;margin:11px 0}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:12px;
  width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#6d8dff,#8a5cff);
  transform:rotate(45deg);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:2px;top:0;
  color:#728aff;font:400 13px var(--serif);
}
.article-body blockquote{
  margin:32px 0;
  padding:22px 26px;
  border-left:3px solid #5d7cff;
  border-radius:0 16px 16px 0;
  background:rgba(15,18,28,.55);
  color:#aeb6c8;font-size:15px;line-height:2;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  padding:2px 8px;border-radius:7px;
  background:rgba(93,124,255,.14);color:#aebcff;
  font:13px "SFMono-Regular",Consolas,"Courier New",monospace;
}
.article-body hr{
  border:0;height:1px;margin:48px 0;
  background:linear-gradient(90deg,transparent,rgba(93,124,255,.4),transparent);
}
.article-body img{max-width:100%;border-radius:16px;border:1px solid rgba(255,255,255,.1)}

/* ---------- 空状态 ---------- */
.blog-empty{
  text-align:center;color:#8a91a3;
  padding:96px 0;
  border:1px dashed rgba(255,255,255,.14);
  border-radius:22px;
  background:rgba(15,18,28,.4);
}
.blog-empty a{color:#8fa3ff}

/* ---------- 响应式 ---------- */
@media(max-width:680px){
  .blog-page{width:calc(100% - 32px);padding:66px 0 96px}
  .blog-head{margin-bottom:44px}
  .blog-head h1{font-size:38px}
  .blog-item{padding:26px 24px;border-radius:18px}
  .blog-item h2{font-size:20px}
  .article-body{font-size:15.5px;line-height:2}
  .article-body h2{font-size:22px}
  .article-summary{margin:22px 0 34px}
}

@media(prefers-reduced-motion:reduce){.blog-item{animation:none}}

/* ============ 客户案例页（深色玻璃卡，与首页一致） ============ */
.case-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-item{
  position:relative;overflow:hidden;
  padding:32px 34px;border-radius:22px;
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(145deg,rgba(24,28,44,.62),rgba(10,12,20,.48));
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 24px 60px -26px rgba(0,0,0,.6);
  transition:border-color .3s,transform .3s,box-shadow .3s;
  animation:hero-in .8s both;
}
.case-item::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.06),transparent 42%)}
.case-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,#7590ff,transparent);
  transform:scaleX(0);transition:transform .5s ease;
}
.case-item:hover{
  transform:translateY(-5px);
  border-color:rgba(120,145,255,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 34px 80px -28px rgba(60,80,255,.4);
}
.case-item:hover::after{transform:scaleX(1)}
.case-list li:nth-child(1) .case-item{animation-delay:0s}
.case-list li:nth-child(2) .case-item{animation-delay:.08s}
.case-list li:nth-child(3) .case-item{animation-delay:.16s}
.case-list li:nth-child(4) .case-item{animation-delay:.24s}
.case-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.case-no{color:#728aff;font:400 13px var(--serif);letter-spacing:.12em}
.case-industry{
  padding:5px 13px;border-radius:100px;
  border:1px solid rgba(130,151,255,.35);
  background:rgba(93,124,255,.1);
  color:#8fa3ff;font-size:11px;letter-spacing:.08em;
}
.case-item h2{margin:0 0 20px;color:#f4f6fb;font:500 21px/1.5 var(--sans);letter-spacing:-.02em}
.case-sections{margin:0;padding:0}
.case-sections div{padding:14px 0;border-top:1px solid rgba(255,255,255,.08)}
.case-sections dt{
  display:flex;align-items:center;gap:9px;
  color:#91a4ff;font-size:11px;font-weight:600;letter-spacing:.16em;
  margin-bottom:7px;
}
.case-sections dt::before{
  content:"";width:5px;height:5px;border-radius:1px;flex:none;
  background:linear-gradient(135deg,#6d8dff,#8a5cff);
  transform:rotate(45deg);
}
.case-sections dd{margin:0;color:#9aa1b2;font-size:13.5px;line-height:1.95}
.case-metrics{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
}
.case-metrics span{
  padding:7px 13px;border-radius:9px;
  background:rgba(93,124,255,.1);
  border:1px solid rgba(130,151,255,.28);
  color:#aebcff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
@media(max-width:980px){.case-list{grid-template-columns:1fr}}
@media(max-width:680px){.case-item{padding:26px 22px;border-radius:18px}.case-item h2{font-size:19px}}