/* =============================================================
   VSCMS 企业官网模板 · default（简洁亮色）
   ============================================================= */
*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#165DFF;--text:#1f2329;--muted:#6b7280;--border:#e5e7eb;--soft:#f7f8fa;--radius:10px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}
body{font-family:var(--font);color:var(--text);line-height:1.75;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.empty{color:var(--muted);padding:40px 0;text-align:center}

/* 头部 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:28px;height:64px}
.site-logo{font-size:19px;font-weight:700;color:var(--text)}
.site-logo img{height:34px;width:auto}
.site-nav{display:flex;gap:26px;margin-left:auto}
.site-nav a{font-size:15px;color:#3d4451;padding:4px 0;border-bottom:2px solid transparent;transition:.2s}
.site-nav a:hover,.site-nav a.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-toggle{display:none;margin-left:auto;font-size:20px;background:none;border:0;cursor:pointer}

/* 首屏 */
.hero{padding:84px 0 72px;background:linear-gradient(180deg,#f5f8ff 0%,#fff 100%);border-bottom:1px solid var(--border)}
.hero h1{font-size:40px;line-height:1.3;font-weight:700;margin-bottom:16px}
.hero p{font-size:17px;color:var(--muted);max-width:640px}

/* 通用区块 */
.section{padding:64px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:32px}
.section-head h2{font-size:26px;font-weight:700}
.section-more{font-size:14px;color:var(--primary)}
.page-head{padding:56px 0 28px;background:var(--soft);border-bottom:1px solid var(--border)}
.page-head h1{font-size:30px;font-weight:700}

/* 网格与卡片 */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{display:block;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.card:hover{border-color:#c7d4f5;box-shadow:0 10px 26px -16px rgba(22,93,255,.35)}
.card-img,.card-ph{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-ph{background:linear-gradient(135deg,#eef3ff,#f7f9ff)}
.card-body{padding:16px 18px 18px}
.card-title{font-size:16px;font-weight:600}
.card-price{color:var(--primary);font-weight:700;margin-top:6px}
.card-meta{color:var(--muted);font-size:13px;margin-top:6px}
.card-desc{color:var(--muted);font-size:13.5px;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 简介 */
.intro{color:#3d4451;font-size:15.5px;max-width:860px}
.intro p{margin-bottom:12px}

/* 新闻列表 */
.news-list{display:grid;gap:2px;border-top:1px solid var(--border)}
.news-item{display:flex;justify-content:space-between;gap:20px;padding:14px 4px;border-bottom:1px solid var(--border);transition:.2s}
.news-item:hover .news-title{color:var(--primary)}
.news-title{font-size:15.5px}
.news-date{color:var(--muted);font-size:13.5px;flex-shrink:0}

/* 相册/友链 */
.gallery-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border)}
.album{margin-bottom:44px}
.album-title{font-size:20px;margin-bottom:16px}
.album-fig figcaption{font-size:13px;color:var(--muted);padding-top:8px;text-align:center}
.links-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.links-item{display:flex;align-items:center;justify-content:center;height:76px;border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);font-size:14px;transition:.2s}
.links-item:hover{border-color:var(--primary);color:var(--primary)}
.links-item img{max-height:40px;object-fit:contain}
.links-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.links-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);transition:.2s}
.links-card:hover{border-color:var(--primary);box-shadow:0 10px 24px -18px rgba(22,93,255,.4)}
.links-card img{height:44px;object-fit:contain}
.links-name{font-weight:600}
.links-label{font-size:12.5px;color:var(--muted)}

/* 列表页 */
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.cat-tabs a{padding:6px 16px;border:1px solid var(--border);border-radius:999px;font-size:14px;color:var(--muted)}
.cat-tabs a.active,.cat-tabs a:hover{border-color:var(--primary);color:var(--primary)}

.sub-tabs{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid var(--soft);padding-bottom:12px}
.sub-tabs a{font-size:15px;color:var(--muted);padding-bottom:8px;border-bottom:2px solid transparent}
.sub-tabs a:hover{color:var(--primary);border-bottom-color:var(--primary)}

.nav-item{position:relative}
.nav-item>a{display:inline-block}
.nav-drop{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:150px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 30px rgba(15,23,42,.1);padding:8px 0;z-index:50}
.nav-item.has-children:hover .nav-drop{display:block}
.nav-drop a{display:block;padding:8px 18px;font-size:14px;color:#3d4451;white-space:nowrap;border:0}
.nav-drop a:hover,.nav-drop a.active{color:var(--primary);background:#f5f8ff;border:0}
.pagination{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:36px;color:var(--muted);font-size:14px}
.pagination a{padding:7px 18px;border:1px solid var(--border);border-radius:8px;color:var(--text)}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}

/* 详情 */
.article,.article-detail{max-width:860px}
.detail-title{font-size:28px;line-height:1.4;margin-bottom:12px}
.detail-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:24px}
.detail-price{color:var(--primary);font-weight:700}
.detail-cover{border-radius:var(--radius);margin-bottom:24px}
.rich{font-size:15.5px;color:#2b3038;line-height:1.9}
.rich p{margin-bottom:14px}
.rich img{border-radius:8px;margin:10px 0}
.detail-back{margin-top:36px}
.detail-back a{color:var(--primary);font-size:14px}

/* FAQ */
.faq-wrap{max-width:820px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px}
.faq-item summary{font-weight:600;cursor:pointer;font-size:15px}
.faq-item p{color:var(--muted);margin-top:10px;font-size:14px}

/* 下载 */
.download-list{display:grid;gap:12px}
.download-item{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}
.download-title{font-weight:600}
.download-desc{color:var(--muted);font-size:13.5px;margin-top:4px}

/* 表单 */
.form-wrap{max-width:640px}
.form-item{margin-bottom:14px}
.form-item label{display:block;font-size:14px;margin-bottom:6px;color:#3d4451}
.form-item label em{color:#e5484d;font-style:normal}
.form-item input,.form-item textarea{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}
.form-item input:focus,.form-item textarea:focus{outline:none;border-color:var(--primary)}
.form-msg{margin-top:12px;font-size:14px}
.form-msg.ok{color:#16a34a}.form-msg.err{color:#e5484d}

/* 按钮 */
.btn{display:inline-block;padding:11px 26px;border-radius:8px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(.92)}
.btn-outline{border-color:var(--border);color:var(--text);padding:8px 18px;font-size:14px}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}

/* CTA */
.cta-band{padding:64px 0;background:var(--soft);border-top:1px solid var(--border);text-align:center}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{color:var(--muted);margin-bottom:24px}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.cta-phone{color:var(--muted);font-size:14px}

/* 404 */
.notfound{text-align:center;padding:110px 0}
.notfound-code{font-size:64px;font-weight:700;color:var(--primary);line-height:1;margin-bottom:16px}
.notfound p{color:var(--muted);margin-bottom:24px}

/* 页脚 */
.site-footer{background:#1c2333;color:#b7c0d1;padding:48px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:30px}
.footer-brand{color:#fff;font-size:18px;font-weight:700;margin-bottom:10px}
.footer-desc{font-size:13.5px;line-height:1.8;max-width:380px}
.footer-title{color:#fff;font-size:14px;margin-bottom:10px}
.footer-grid p{font-size:13.5px;line-height:2}
.footer-link{display:block;font-size:13.5px;line-height:2;color:#b7c0d1}
.footer-link:hover,.site-footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8892a6}

/* 响应式 */
@media (max-width:900px){
  .grid-3,.links-row,.links-grid,.footer-grid{grid-template-columns:1fr}
  .links-row{grid-template-columns:repeat(2,1fr)}
  .links-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:30px}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;gap:0;padding:8px 20px 14px;margin:0}
  .site-nav.open{display:flex}
  .site-nav a{padding:10px 0;border-bottom:1px solid var(--soft)}
  .nav-item{width:100%}
  .nav-item>a{display:block}
  .nav-drop{display:block;position:static;transform:none;border:0;box-shadow:none;padding:0 0 0 16px;min-width:0}
  .nav-drop a{border-bottom:1px dashed var(--soft)}
}