/* category.css — 各栏目差异化版式（导航/页脚复用 wb-landing.css） */
.cat-page{max-width:100%;}
.cat-main{max-width:1080px;margin:0 auto;padding:0 20px;}
.cat-section{padding:56px 0;}
.cat-section.alt{background:#f7f9fc;}

/* 主题色：按栏目 wrapper 类切换 */
.cat-product {--cat:#3b6cff;--cat-2:#274bd6;--cat-soft:#eef3ff;}
.cat-news    {--cat:#0fb58a;--cat-2:#0a8f6c;--cat-soft:#e7f8f2;}
.cat-tutorial{--cat:#f5871f;--cat-2:#d96a00;--cat-soft:#fff3e6;}
.cat-case    {--cat:#7c4dff;--cat-2:#5e2fe0;--cat-soft:#f1ebff;}
.cat-help    {--cat:#0aa3e0;--cat-2:#0a82b8;--cat-soft:#e6f5fc;}

/* ===== 后台可编辑图片：Logo ===== */
.wb-logo-img{width:auto;vertical-align:middle;border-radius:4px;}
.wb-foot-logo{height:36px;width:auto;vertical-align:middle;margin-right:10px;border-radius:4px;}

/* Hero — 支持后台设置背景图（$cat.thumb），无图时保持渐变色 */
.cat-hero{position:relative;padding:60px 20px 52px;color:#1a2233;overflow:hidden;
  background:#fff;border-bottom:1px solid #eceef2;}
/* 有背景图时加暗色遮罩，保证文字清晰 */
.cat-hero::before{display:none;}
.cat-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;
  background:radial-gradient(circle,var(--cat-soft),transparent 70%);border-radius:50%;z-index:0;opacity:.6;}
/* 栏目头图（右侧） */.cat-hero-img-wrap{position:absolute;right:20px;top:50%;transform:translateY(-50%);z-index:1;  width:280px;height:280px;display:flex;align-items:center;justify-content:center;}.cat-hero-img{max-width:100%;max-height:100%;object-fit:contain;border-radius:16px;  filter:drop-shadow(0 8px 32px rgba(0,0,0,.18));}@media (max-width:980px){  .cat-hero-img-wrap{position:relative;right:auto;top:auto;transform:none;    margin:20px auto 0;width:200px;height:200px;}  .cat-hero-inner{text-align:center;}}
.cat-hero-inner{max-width:1080px;margin:0 auto;position:relative;z-index:1;}
.cat-crumb{font-size:13px;color:#8a93a6;margin-bottom:14px;}
.cat-crumb a{color:#5a6373;text-decoration:none;}
.cat-crumb span{opacity:.5;margin:0 6px;}
.cat-hero h1{font-size:36px;line-height:1.2;margin:0 0 12px;font-weight:800;letter-spacing:-.5px;color:#1a2233;}
.cat-hero p{font-size:16px;line-height:1.7;max-width:660px;color:#5a6373;margin:0;}
.cat-hero .cat-tag{display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:999px;
  background:var(--cat);color:#fff;font-size:13px;font-weight:600;letter-spacing:.5px;}

/* 搜索框（帮助中心） */
.cat-search{margin-top:22px;display:flex;max-width:520px;}
.cat-search input{flex:1;border:0;padding:13px 16px;border-radius:10px 0 0 10px;font-size:15px;outline:none;}
.cat-search button{border:0;background:#fff;color:var(--cat-2);padding:0 20px;border-radius:0 10px 10px 0;
  font-weight:700;cursor:pointer;}

/* 区块标题 */
.cat-sec-head{margin-bottom:28px;}
.cat-sec-head .wb-eyebrow{color:var(--cat);}
.cat-sec-head h2{font-size:26px;margin:6px 0 0;font-weight:800;letter-spacing:-.3px;}

/* ===== 产品动态：更新卡片墙 ===== */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.prod-card{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid #eef0f4;
  border-left:4px solid var(--cat);border-radius:14px;padding:22px 22px 18px;transition:.18s;}
.prod-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,30,60,.10);}
.prod-card-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.prod-ver{font-size:12px;font-weight:700;color:#fff;background:var(--cat);padding:3px 10px;border-radius:6px;letter-spacing:.5px;}
.prod-date{font-size:13px;color:#8a93a6;}
.prod-card h3{font-size:18px;margin:0 0 8px;font-weight:700;}
.prod-card p{font-size:14px;color:#5b6478;line-height:1.65;margin:0 0 14px;}
.prod-more{font-size:13px;font-weight:700;color:var(--cat);}

/* ===== 行业资讯：资讯流 ===== */
.news-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:#fff;border:1px solid #eef0f4;
  border-radius:16px;overflow:hidden;margin-bottom:22px;}
.news-feature .nf-thumb{background:linear-gradient(135deg,var(--cat),var(--cat-2));min-height:240px;}
.news-feature .nf-body{padding:30px;}
.news-feature h3{font-size:24px;margin:0 0 12px;font-weight:800;line-height:1.3;}
.news-feature p{color:#5b6478;line-height:1.7;margin:0 0 14px;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-row{display:grid;grid-template-columns:160px 1fr;gap:18px;background:#fff;border:1px solid #eef0f4;
  border-radius:14px;padding:16px;transition:.18s;}
.news-row:hover{box-shadow:0 10px 26px rgba(20,30,60,.08);transform:translateY(-2px);}
.news-row .nr-thumb{height:104px;border-radius:10px;background:var(--cat-soft);overflow:hidden;}
.news-row .nr-thumb img{width:100%;height:100%;object-fit:cover;}
.news-row h3{font-size:17px;margin:0 0 8px;font-weight:700;}
.news-row p{font-size:14px;color:#5b6478;margin:0 0 10px;line-height:1.6;}
.news-meta{font-size:13px;color:#8a93a6;}
.news-meta b{color:var(--cat);font-weight:700;}

/* ===== 使用教程：教程步骤卡片 ===== */
.tut-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.tut-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fff;border:1px solid #eef0f4;
  border-radius:14px;overflow:hidden;transition:.18s;}
.tut-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,30,60,.10);}
.tut-thumb{height:150px;background:var(--cat-soft);overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.tut-thumb img{width:100%;height:100%;object-fit:cover;}
.tut-ic{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.6);color:var(--cat);
  display:flex;align-items:center;justify-content:center;font-size:22px;}
.tut-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.tut-card h3{font-size:15px;margin:0 0 8px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tut-card p{font-size:13px;color:#5b6478;line-height:1.55;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tut-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:#8a93a6;margin-top:auto;}
.tut-level{font-weight:700;color:#fff;background:var(--cat);padding:3px 10px;border-radius:999px;font-size:12px;}

/* ===== 客户案例：案例展示墙 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fff;border:1px solid #eef0f4;
  border-radius:14px;overflow:hidden;transition:.18s;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(20,30,60,.12);}
.case-thumb{height:150px;background:var(--cat-soft);overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.case-thumb img{width:100%;height:100%;object-fit:cover;}
.case-logo{width:48px;height:48px;border-radius:12px;background:rgba(20,30,60,.08);display:flex;
  align-items:center;justify-content:center;font-size:24px;}
.case-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.case-body h3{font-size:15px;margin:0 0 8px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.case-body p{font-size:13px;color:#5b6478;line-height:1.55;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.case-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8a93a6;margin-top:auto;}

/* ===== 帮助中心：FAQ 折叠 ===== */
.faq-group{margin-bottom:26px;}
.faq-group h3{font-size:18px;margin:0 0 12px;color:var(--cat-2);font-weight:800;}
.faq-item{border:1px solid #e7ebf2;border-radius:12px;margin-bottom:10px;background:#fff;overflow:hidden;}
.faq-item summary{cursor:pointer;padding:16px 18px;font-weight:700;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--cat);font-size:20px;font-weight:700;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item .faq-a{padding:0 18px 16px;color:#5b6478;line-height:1.7;font-size:14px;}
.help-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.help-link{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;background:#fff;
  border:1px solid #e7ebf2;border-radius:12px;padding:14px 16px;font-weight:600;transition:.18s;}
.help-link:hover{border-color:var(--cat);color:var(--cat);}
.help-link .hl-ic{color:var(--cat);font-size:18px;}

/* ===== 详情页（各栏目通用，主题色区分） ===== */
.cat-article-head{max-width:760px;margin:0 auto;padding:40px 20px 10px;text-align:center;}
.cat-article-head .cat-label{display:inline-block;color:#fff;background:var(--cat);font-size:13px;
  font-weight:700;padding:4px 14px;border-radius:999px;margin-bottom:16px;}
.cat-article-head h1{font-size:30px;line-height:1.3;margin:0 0 14px;font-weight:800;letter-spacing:-.3px;}
.cat-article-meta{font-size:14px;color:#8a93a6;}
.cat-article-meta span{margin:0 8px;}
.cat-article-body{max-width:760px;margin:0 auto;padding:24px 20px 10px;font-size:16px;line-height:1.85;color:#2c3340;}
.cat-article-body img{max-width:100%;border-radius:12px;margin:18px 0;}
.cat-article-body h2,.cat-article-body h3{margin:28px 0 12px;}
.cat-article-body pre{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:10px;overflow:auto;}
.cat-related{max-width:1080px;margin:40px auto 0;padding:0 20px;}
.cat-related h3{font-size:20px;margin:0 0 18px;}
.cat-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.cat-rel-card{text-decoration:none;color:inherit;background:#fff;border:1px solid #eef0f4;border-radius:12px;
  padding:18px;transition:.18s;}
.cat-rel-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,30,60,.08);}
.cat-rel-card h4{font-size:15px;margin:0 0 8px;font-weight:700;}
.cat-rel-card span{font-size:13px;color:#8a93a6;}

.cat-back{display:inline-block;margin:30px 0 0;color:var(--cat);font-weight:700;text-decoration:none;}

/* Hero 背景图遮罩激活脚本：检测到 inline background-image 时显示 ::before 暗层 */
/* （通过 JS 在页面加载后给有背景图的 hero 加 class） */

/* 响应式 */
@media (max-width:768px){
  .prod-grid,.tut-grid,.case-grid,.cat-related-grid{grid-template-columns:1fr;}
  .news-feature{grid-template-columns:1fr;}
  .news-feature .nf-thumb{min-height:170px;}
  .news-row{grid-template-columns:110px 1fr;}
  .news-row .nr-thumb{height:80px;}
  .help-links{grid-template-columns:1fr;}
  .cat-hero h1{font-size:28px;}
  .wb-logo-img{height:26px;}
  .wb-foot-logo{height:26px;}
}

/* ===== 分页：空容器自动隐藏 ===== */
.pagination:empty{display:none;}

/* ===== 新闻区视觉优化 ===== */
.news-feature{box-shadow:0 2px 12px rgba(20,30,60,.05);}
.news-feature:hover{box-shadow:0 8px 28px rgba(20,30,60,.1);}
.news-row .nr-body{display:flex;flex-direction:column;justify-content:center;}
.cat-sec-head{margin-bottom:18px;}
.cat-sec-head .wb-eyebrow{font-size:12px;letter-spacing:1px;text-transform:uppercase;}
.wb-news-empty{text-align:center;padding:36px 0;color:#8a93a6;font-size:15px;}
/* ===== 搜索结果页（sresult.html）独立布局 ===== */
.sr-page{max-width:100%;}

/* Hero */
.sr-hero{padding:56px 20px 48px;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;position:relative;overflow:hidden;}
.sr-hero::after{content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(59,108,255,.25),transparent 70%);border-radius:50%;}
.sr-hero-inner{max-width:680px;margin:0 auto;position:relative;z-index:1;text-align:center;}
.sr-tag{display:inline-block;margin-bottom:14px;padding:5px 14px;border-radius:999px;
  background:rgba(59,108,255,.85);color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;}
.sr-hero h1{font-size:34px;line-height:1.2;margin:0 0 10px;font-weight:800;letter-spacing:-.5px;}
.sr-sub{font-size:16px;line-height:1.7;color:rgba(255,255,255,.7);margin:0 0 24px;}

/* 搜索表单（替代 .cat-search，避免类名冲突） */
.sr-form{display:flex;max-width:520px;margin:0 auto;border-radius:14px;overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,.25),0 0 0 1px rgba(255,255,255,.1);}
.sr-form input{flex:1;border:2px solid rgba(255,255,255,.2);border-right:none;padding:14px 18px;
  border-radius:14px 0 0 14px;font-size:15px;outline:none;background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .2s;}
.sr-form input::placeholder{color:rgba(255,255,255,.45);}
.sr-form input:focus{border-color:#3b6cff;background:rgba(255,255,255,.12);}
.sr-form button{border:2px solid #3b6cff;border-left:none;background:#3b6cff;color:#fff;
  padding:0 24px;border-radius:0 14px 14px 0;font-weight:700;font-size:15px;cursor:pointer;
  white-space:nowrap;transition:background .2s;}
.sr-form button:hover{background:#2563eb;}

/* 结果区 */
.sr-body{padding:48px 0 24px;background:#f8f9fb;min-height:300px;}
.sr-inner{max-width:760px;margin:0 auto;padding:0 24px;}
.sr-head{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #e5e7eb;}
.sr-eyebrow{display:inline-block;color:#3b6cff;font-weight:700;font-size:12px;letter-spacing:1px;
  text-transform:uppercase;margin-bottom:8px;}
.sr-head h2{font-size:22px;margin:0;font-weight:800;letter-spacing:-.3px;color:#1a2233;}

/* 结果列表 */
.sr-list{display:flex;flex-direction:column;gap:14px;}
.sr-item{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid #e5e7eb;
  border-radius:12px;padding:20px 22px;transition:.18s;}
.sr-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(20,30,60,.08);border-color:#3b6cff;}
.sr-item h3{font-size:17px;margin:0 0 8px;font-weight:700;color:#1a2233;line-height:1.4;}
.sr-item:hover h3{color:#3b6cff;}
.sr-desc{font-size:14px;color:#5a6378;line-height:1.65;margin:0 0 10px;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sr-meta{font-size:13px;color:#8a93a6;}
.sr-meta b{color:#3b6cff;font-weight:700;}

/* 空状态 */
.sr-empty{text-align:center;padding:52px 20px;color:#8a93a6;}
.sr-empty-icon{font-size:42px;margin-bottom:14px;}
.sr-empty p{font-size:17px;margin:0 0 6px;color:#4a5568;}
.sr-empty strong{color:#1a2233;}
.sr-empty span{font-size:14px;}
.sr-empty a{color:#3b6cff;text-decoration:none;font-weight:600;}
.sr-empty a:hover{text-decoration:underline;}

/* 底部 CTA（紧凑版） */
.sr-cta{padding:36px 20px;background:#fff;border-top:1px solid #e5e7eb;text-align:center;}
.sr-cta-inner{max-width:560px;margin:0 auto;}
.sr-cta h3{font-size:22px;font-weight:800;color:#1a2233;margin:0 0 16px;line-height:1.3;}
.sr-cta .wb-btn.primary.lg{display:inline-flex;align-items:center;padding:13px 30px;font-size:15px;
  border-radius:999px;background:var(--wb-grad,#3b6cff);color:#fff;border:none;cursor:pointer;
  text-decoration:none;font-weight:700;transition:opacity .2s;}
.sr-cta .wb-btn.primary.lg:hover{opacity:.88;}

/* 响应式 */
@media (max-width:768px){
  .sr-hero{padding:40px 16px 36px;}
  .sr-hero h1{font-size:26px;}
  .sr-form{flex-direction:column;max-width:100%;border-radius:12px;}
  .sr-form input{border-radius:12px 12px 0 0;border-right:2px solid rgba(255,255,255,.2);
    border-bottom:none;}
  .sr-form button{border-left:2px solid #3b6cff;border-top:none;
    border-radius:0 0 12px 12px;padding:12px 0;}
  .sr-body{padding:32px 0 20px;}
  .sr-inner{padding:0 16px;}
  .sr-head h2{font-size:19px;}
  .sr-item{padding:16px 18px;}
  .sr-item h3{font-size:16px;}
  .sr-cta{padding:28px 16px;}
  .sr-cta h3{font-size:19px;}
}