/* 拖拽式模板编辑器专用样式 */
.builder-page { margin: 0; padding: 0; font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; -webkit-font-smoothing: antialiased; }
.builder-page body { margin: 0; }
.builder-page .bc-empty { padding: 30px; text-align: center; color: #bbb; background: #fafafa; border: 1px dashed #ddd; font-size: 14px; }
.builder-page .bc-nav { padding: 0 24px; }
.builder-page .bc-nav-inner { display: flex; align-items: center; max-width: 1200px; margin: 0 auto; }
.builder-page .bc-logo-wrap { flex: 1; display: flex; align-items: center; min-width: 0; }
.builder-page .bc-logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.builder-page .bc-logo img { display: block; object-fit: contain; }
.builder-page .bc-nav-menu { flex: 1; display: flex; align-items: center; flex-wrap: wrap; }
.builder-page .bc-nav-menu a { display: inline-block; padding: 12px 16px; text-decoration: none; font-size: 15px; color: inherit; transition: all .2s; }
/* 悬停样式：下划线 */
.builder-page .bc-nav.nav-underline .bc-nav-menu a { border-bottom: 3px solid transparent; }
.builder-page .bc-nav.nav-underline .bc-nav-menu a:hover, .builder-page .bc-nav.nav-underline .bc-nav-menu a.active { border-bottom-color: var(--nav-hover, #ffffff); }
/* 悬停样式：背景色块 */
.builder-page .bc-nav.nav-bg .bc-nav-menu a { border-radius: 6px; }
.builder-page .bc-nav.nav-bg .bc-nav-menu a:hover, .builder-page .bc-nav.nav-bg .bc-nav-menu a.active { background: var(--nav-hover, rgba(255,255,255,.18)); }
/* 悬停样式：圆角胶囊 */
.builder-page .bc-nav.nav-pill .bc-nav-menu a { border-radius: 20px; }
.builder-page .bc-nav.nav-pill .bc-nav-menu a:hover, .builder-page .bc-nav.nav-pill .bc-nav-menu a.active { background: var(--nav-hover, rgba(255,255,255,.18)); }
/* 悬停样式：无特效 */
.builder-page .bc-nav.nav-plain .bc-nav-menu a:hover, .builder-page .bc-nav.nav-plain .bc-nav-menu a.active { opacity: .8; }
/* 导航菜单项（含下拉子栏目） */
.builder-page .bc-nav .bc-nav-item { position: relative; }
.builder-page .bc-nav .bc-nav-item.has-sub > a:after { content: ' ▾'; font-size: 11px; opacity: .7; }
.builder-page .bc-nav .bc-nav-sub { display: none; position: absolute; z-index: 30; min-width: 170px; background: var(--nav-bg, #1e3a5f); box-shadow: 0 6px 18px rgba(0,0,0,.18); padding: 4px 0; margin: 0; list-style: none; }
.builder-page .bc-nav .bc-nav-item:hover > .bc-nav-sub { display: block; }
.builder-page .bc-nav .bc-nav-sub a { display: block; padding: 10px 16px; white-space: nowrap; }
.builder-page .bc-nav.nav-horizontal .bc-nav-menu > .bc-nav-item:hover > .bc-nav-sub { left: 0; top: 100%; }
.builder-page .bc-nav .bc-nav-sub .bc-nav-item:hover > .bc-nav-sub { left: 100%; top: 0; }
/* 竖向导航 */
.builder-page .bc-nav.nav-vertical .bc-nav-inner { flex-direction: column; align-items: stretch; }
.builder-page .bc-nav.nav-vertical .bc-nav-logo-wrap { padding: 14px 0; }
.builder-page .bc-nav.nav-vertical .bc-nav-menu { flex-direction: column; align-items: stretch; justify-content: flex-start !important; }
.builder-page .bc-nav.nav-vertical .bc-nav-item { width: 100%; }
.builder-page .bc-nav.nav-vertical .bc-nav-menu > .bc-nav-item > a { display: block; width: 100%; }
.builder-page .bc-nav.nav-vertical .bc-nav-menu > .bc-nav-item:hover > .bc-nav-sub { left: 100%; top: 0; }
.builder-page .bc-banner { position: relative; overflow: hidden; }
.builder-page .bc-banner .bc-banner-mask { position: absolute; left: 0; top: 0; right: 0; bottom: 0; background: linear-gradient(90deg, rgba(5,16,35,.72) 0%, rgba(5,16,35,.42) 55%, rgba(5,16,35,.15) 100%); z-index: 2; }
.builder-page .bc-banner .bc-banner-overlay { position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: 3; display: flex; flex-direction: column; justify-content: center; padding: 0 7%; }
.builder-page .bc-banner .bc-banner-overlay.ta-center { text-align: center; align-items: center; }
.builder-page .bc-banner .bc-banner-overlay .ov-title { color: #fff; font-size: 40px; font-weight: 700; letter-spacing: 3px; line-height: 1.25; text-shadow: 0 2px 12px rgba(0,0,0,.35); }
.builder-page .bc-banner .bc-banner-overlay .ov-sub { color: rgba(255,255,255,.88); font-size: 17px; letter-spacing: 1px; margin-top: 14px; text-shadow: 0 1px 8px rgba(0,0,0,.35); }
.builder-page .bc-banner .bc-banner-overlay .ov-btns { margin-top: 30px; }
.builder-page .bc-banner .bc-banner-overlay .ov-btn { display: inline-block; padding: 12px 34px; border-radius: 26px; font-size: 15px; text-decoration: none; margin-right: 14px; transition: all .25s; }
.builder-page .bc-banner .bc-banner-overlay .ov-btn.primary { background: #2b6cb0; color: #fff; box-shadow: 0 6px 18px rgba(43,108,176,.45); }
.builder-page .bc-banner .bc-banner-overlay .ov-btn.primary:hover { background: #3b82d4; transform: translateY(-2px); }
.builder-page .bc-banner .bc-banner-overlay .ov-btn.ghost { border: 1px solid rgba(255,255,255,.65); color: #fff; }
.builder-page .bc-banner .bc-banner-overlay .ov-btn.ghost:hover { background: rgba(255,255,255,.15); }
.builder-page .bc-banner.multi .bc-banner-track { display: flex; width: 100%; height: 100%; transition: transform .5s ease; }
.builder-page .bc-banner .bc-banner-slide { flex: 0 0 100%; height: 100%; }
.builder-page .bc-banner .bc-banner-slide img, .builder-page .bc-banner .bc-banner-slide a { width: 100%; height: 100%; object-fit: cover; display: block; }
.builder-page .bc-banner .bc-banner-dots { position: absolute; bottom: 14px; left: 0; right: 0; text-align: center; z-index: 5; }
.builder-page .bc-banner .bc-banner-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.5); margin: 0 5px; cursor: pointer; }
.builder-page .bc-banner .bc-banner-dot.on { background: #fff; }
.builder-page .bc-text { font-size: 16px; line-height: 1.8; }
.builder-page .bc-image img { display: inline-block; vertical-align: middle; }
.builder-page .bc-articles.list .item { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid #f0f2f5; text-decoration: none; color: #333; transition: background .2s; }
.builder-page .bc-articles.list .item:last-child { border-bottom: none; }
.builder-page .bc-articles.list .item:hover { background: #f6f9fd; }
.builder-page .bc-articles.list .item:hover .title { color: #2b6cb0; }
.builder-page .bc-articles.list .title { font-size: 15px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color .2s; }
.builder-page .bc-articles.list .title:before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #c3d4ea; margin-right: 9px; vertical-align: 3px; }
.builder-page .bc-articles.list .date { font-size: 13px; color: #9aa7b8; flex-shrink: 0; }
.builder-page .bc-articles.cards { display: flex; flex-wrap: wrap; gap: 18px; padding: 20px; }
.builder-page .bc-articles.cards .item { flex: 0 0 calc(33.333% - 12px); background: #fff; border-radius: 10px; overflow: hidden; text-decoration: none; color: #333; box-shadow: 0 1px 4px rgba(16,42,80,.08); transition: transform .25s, box-shadow .25s; }
.builder-page .bc-articles.cards .item:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(16,42,80,.14); }
.builder-page .bc-articles.cards .item .cover { width: 100%; height: 158px; object-fit: cover; display: block; }
.builder-page .bc-articles.cards .item .info { padding: 14px 16px 16px; }
.builder-page .bc-articles.cards .item h4 { font-size: 15px; margin: 0 0 10px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 45px; }
.builder-page .bc-articles.cards .item:hover h4 { color: #2b6cb0; }
.builder-page .bc-articles.cards .item .date { font-size: 13px; color: #9aa7b8; }
.builder-page .bc-card { padding: 30px 26px; border-radius: 12px; background: #fff; box-shadow: 0 1px 4px rgba(16,42,80,.08); transition: transform .25s, box-shadow .25s; }
.builder-page .bc-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(16,42,80,.15); }
.builder-page .bc-card img { max-width: 100%; border-radius: 8px; margin-bottom: 10px; }
.builder-page .bc-card h3 { margin: 0 0 10px; font-size: 19px; color: #0b1f3a; }
.builder-page .bc-card p { margin: 0; font-size: 14px; color: #6a7a90; line-height: 1.75; }
.builder-page .bc-article-body { max-width: 860px; margin: 0 auto; background: #fff; border-radius: 10px; box-shadow: 0 1px 4px rgba(16,42,80,.08); }
.builder-page .bc-article-body .a-title { font-size: 26px; margin: 0 0 10px; color: #0b1f3a; line-height: 1.4; }
.builder-page .bc-article-body .a-meta { font-size: 13px; color: #9aa7b8; padding-bottom: 14px; border-bottom: 1px solid #eef1f5; margin-bottom: 20px; }
.builder-page .bc-article-body .a-content { line-height: 1.95; color: #3a4658; }
.builder-page .bc-article-body .a-content img, .builder-page .bc-article-body .a-content video { max-width: 100%; }
.builder-page .bc-breadcrumb { padding: 14px 24px; font-size: 14px; color: #6a7a90; background: #fff; border-radius: 8px; margin-bottom: 16px; }
.builder-page .bc-breadcrumb a { color: #2b6cb0; text-decoration: none; margin: 0 4px; }
.builder-page .bc-breadcrumb a:hover { text-decoration: underline; }
.builder-page .bc-breadcrumb .sep { color: #c3ccda; margin: 0 4px; }
.builder-page .bc-breadcrumb .cur { color: #0b1f3a; margin: 0 4px; }
.builder-page .bc-video video { display: block; margin: 0 auto; }
.builder-page .bc-contact { padding: 20px 24px; }
.builder-page .bc-contact .item { margin: 0 14px 10px 0; display: block; font-size: 14px; color: #4a5a70; line-height: 1.9; }
.builder-page .bc-contact .bc-ic { font-style: normal; margin-right: 7px; color: #2b6cb0; }
.builder-page .bc-copyright { padding: 22px 24px; text-align: center; font-size: 13px; }
/* 横向间隔（多列布局） */
.builder-page .bc-cols { display: flex; flex-wrap: wrap; }
.builder-page .bc-col { min-width: 0; }
.builder-page .bc-col > *:last-child { margin-bottom: 0; }
.builder-page .bc-divider, .builder-page .bc-blank { width: 100%; }

/* 品牌文字兜底（无 Logo 时） */
.builder-page .bc-logo.bc-logo-text { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.builder-page .bc-logo-text .bc-logo-mark { width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, #4d9fff, #2b6cb0); box-shadow: 0 3px 10px rgba(43,108,176,.4); position: relative; flex-shrink: 0; }
.builder-page .bc-logo-text .bc-logo-mark:after { content: ''; position: absolute; left: 10px; top: 8px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; box-sizing: border-box; opacity: .95; }
.builder-page .bc-logo-text .bc-logo-name { font-size: 20px; font-weight: 700; letter-spacing: 1px; color: inherit; }

/* 渐变 Hero（无图片轮播） */
.builder-page .bc-banner.bc-grad .bc-banner-overlay { position: relative; z-index: 2; }
.builder-page .bc-banner.bc-grad:before { content: ''; position: absolute; left: 0; right: 0; top: 0; bottom: 0; background: radial-gradient(ellipse at 78% 22%, rgba(255,255,255,.14) 0%, transparent 46%), radial-gradient(ellipse at 12% 88%, rgba(0,0,0,.22) 0%, transparent 52%); }

/* 优雅空态 */
.builder-page .bc-empty-soft { padding: 44px 24px; text-align: center; color: #9aa9bd; background: linear-gradient(180deg, #fbfcfe, #f6f8fb); border-radius: 10px; border: 1px solid #eef1f6; }
.builder-page .bc-empty-soft .ico { display: block; font-size: 22px; color: #c3d2e4; margin-bottom: 10px; }
.builder-page .bc-empty-soft .txt { font-size: 14px; letter-spacing: 1px; }

/* 原占位提示（编辑态参考）样式微调 */
.builder-page .bc-empty { padding: 26px; text-align: center; color: #b9c3d1; background: #fafbfd; border: 1px dashed #dfe5ee; border-radius: 10px; font-size: 13px; }

/* 移动端适配 */
@media (max-width: 768px) {
  .builder-page .bc-nav { padding: 0 14px; }
  .builder-page .bc-nav-inner { flex-direction: column; align-items: flex-start; padding: 10px 0; }
  .builder-page .bc-nav-menu { justify-content: flex-start !important; }
  .builder-page .bc-nav-menu a { padding: 9px 12px; font-size: 14px; }
  .builder-page .bc-banner .bc-banner-overlay { padding: 0 8%; }
  .builder-page .bc-banner .bc-banner-overlay .ov-title { font-size: 26px; letter-spacing: 1px; }
  .builder-page .bc-banner .bc-banner-overlay .ov-sub { font-size: 14px; margin-top: 10px; }
  .builder-page .bc-banner .bc-banner-overlay .ov-btns { margin-top: 20px; }
  .builder-page .bc-banner .bc-banner-overlay .ov-btn { padding: 10px 24px; font-size: 14px; margin-right: 10px; }
  .builder-page .bc-cols { flex-direction: column; }
  .builder-page .bc-col { flex: 1 1 auto !important; width: 100%; }
  .builder-page .bc-articles.cards { padding: 12px; gap: 12px; }
  .builder-page .bc-articles.cards .item { flex: 0 0 100%; }
  .builder-page .bc-card { padding: 24px 20px; }
  .builder-page .bc-text { padding: 16px !important; }
  .builder-page .bc-article-body { margin: 0 12px; }
  .builder-page .bc-breadcrumb { margin: 0 0 12px; padding: 12px 14px; }
}
.builder-page .bc-articles.list { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 4px rgba(16,42,80,.08); }
.builder-page .bc-page { box-shadow: 0 0 30px rgba(16,42,80,.07); }

/* 系统虚拟示例数据角标（企业补充内容后自动消失） */
.builder-page .bc-demo { position: relative; }
.builder-page .bc-demo:after { content: '示例数据'; position: absolute; right: 12px; top: 12px; font-size: 12px; color: #8fa2ba; background: rgba(255,255,255,.92); border: 1px solid #e2e8f1; border-radius: 10px; padding: 2px 10px; z-index: 6; pointer-events: none; }
.builder-page .bc-nav.bc-demo:after { top: 50%; transform: translateY(-50%); }
.builder-page a.bc-logo.bc-logo-text { color: inherit; }

/* ==================== 自定义表单组件 ==================== */
.builder-page .bc-form { max-width: 640px; margin: 0 auto; background: #fff; border: 1px solid #e3eaf3; border-radius: 12px; box-shadow: 0 2px 14px rgba(16,42,80,.07); }
.builder-page .bc-form-title { font-size: 20px; font-weight: 600; color: #22344f; margin-bottom: 18px; text-align: center; }
.builder-page .bc-form-item { margin-bottom: 16px; }
.builder-page .bc-form-item label { display: block; font-size: 14px; color: #3c4a63; margin-bottom: 6px; }
.builder-page .bc-form-req { color: #e04b4b; margin-left: 3px; }
.builder-page .bc-form-item input[type=text],
.builder-page .bc-form-item textarea { width: 100%; box-sizing: border-box; border: 1px solid #ccd6e4; border-radius: 8px; padding: 10px 12px; font-size: 14px; color: #333; outline: none; background: #fbfcfe; transition: border-color .15s; font-family: inherit; }
.builder-page .bc-form-item textarea { resize: vertical; min-height: 90px; }
.builder-page .bc-form-item input:focus, .builder-page .bc-form-item textarea:focus { border-color: #3f7ad6; background: #fff; }
.builder-page .bc-form-upload { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.builder-page .bc-form-pick { border: 1px dashed #a9bcdc; background: #f6f9fd; color: #3f7ad6; border-radius: 8px; padding: 9px 16px; font-size: 13px; cursor: pointer; font-family: inherit; }
.builder-page .bc-form-pick:hover { border-color: #3f7ad6; background: #eef4fd; }
.builder-page .bc-form-pick[disabled] { opacity: .6; cursor: wait; }
.builder-page .bc-form-file-name { font-size: 13px; color: #5b6b85; max-width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.builder-page .bc-form-file-clear { border: none; background: transparent; color: #c0392b; font-size: 16px; cursor: pointer; padding: 0 4px; font-family: inherit; }
.builder-page .bc-form-captcha { display: flex; align-items: center; gap: 10px; }
.builder-page .bc-form-captcha input { flex: 1; width: auto; }
.builder-page .bc-form-captcha-img { height: 44px; border-radius: 8px; cursor: pointer; border: 1px solid #ccd6e4; }
.builder-page .bc-form-actions { display: flex; gap: 12px; margin-top: 4px; }
.builder-page .bc-form-btn { flex: 1; padding: 11px 0; font-size: 15px; border-radius: 8px; border: 1px solid #ccd6e4; background: #fff; color: #5b6b85; cursor: pointer; font-family: inherit; }
.builder-page .bc-form-btn.bc-form-submit { background: #2c5fa1; border-color: #2c5fa1; color: #fff; }
.builder-page .bc-form-btn.bc-form-submit:hover { background: #24518c; }
.builder-page .bc-form-btn.bc-form-reset:hover { border-color: #9fb1cc; }
.builder-page .bc-form-btn[disabled] { opacity: .6; cursor: not-allowed; }
.builder-page .bc-form-msg { margin-top: 14px; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.builder-page .bc-form-msg.ok { background: #eef9f0; border: 1px solid #bfe5c8; color: #2e7d43; }
.builder-page .bc-form-msg.err { background: #fdf0f0; border: 1px solid #f2c8c8; color: #c0392b; }
@media (max-width: 768px) {
  .builder-page .bc-form { border-radius: 10px; }
  .builder-page .bc-form-captcha-img { height: 40px; }
}