/* 子比网址导航 前台样式：复用子比 CSS 变量，自动跟随暗色模式 */
.zsn-wrap { --zsn-cols: 5; margin: 0 auto; max-width: 1280px; color: var(--main-color, #333); }

.zsn-hero { text-align: center; padding: 14px 16px 12px; }
.zsn-hero-title { font-size: 22px; font-weight: 800; margin: 0 0 4px; }
.zsn-hero-sub { opacity: .65; margin: 0 0 10px; font-size: 13.5px; }
.zsn-engines { display: inline-flex; gap: 4px; background: var(--main-bg-color, #fff); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: 999px; padding: 3px; margin-bottom: 8px; flex-wrap: wrap; justify-content: center; }
.zsn-engine { border: 0; background: transparent; padding: 4px 12px; border-radius: 999px; cursor: pointer; color: inherit; font-size: 12.5px; }
.zsn-engine.is-on { background: var(--theme-color, #3b82f6); color: #fff; }
.zsn-search { display: flex; max-width: 520px; margin: 0 auto; background: var(--main-bg-color, #fff); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: 999px; overflow: hidden; }
.zsn-search input { flex: 1; border: 0; background: transparent; padding: 8px 16px; outline: none; color: inherit; min-width: 0; }
.zsn-search button { border: 0; background: var(--theme-color, #3b82f6); color: #fff; padding: 0 26px; cursor: pointer; }
.zsn-hot { margin-top: 7px; font-size: 12.5px; opacity: .85; }
.zsn-hot a { margin: 0 4px; color: var(--theme-color, #3b82f6); }
.zsn-fav-toggle.is-on { font-weight: 700; text-decoration: underline; }

.zsn-layout { display: flex; gap: 20px; align-items: flex-start; padding: 6px 0 30px; }
.zsn-rail { position: sticky; top: 76px; width: 208px; flex: none; background: #232946; color: #e8eaf2; border-radius: var(--main-radius, 10px); padding: 10px; max-height: calc(100vh - 100px); overflow: auto; }
.zsn-rail a { color: inherit; text-decoration: none; }
.zsn-rail-l1 { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 8px; font-weight: 600; font-size: 14px; }
.zsn-rail-l1 small { margin-left: auto; opacity: .55; font-weight: 400; }
.zsn-rail-l1:hover, .zsn-rail-l1.is-active { background: rgba(255,255,255,.1); }
.zsn-rail-l2s { display: none; padding: 2px 0 6px 14px; }
.zsn-rail-group.is-open .zsn-rail-l2s { display: block; }
.zsn-rail-l2 { display: block; padding: 6px 10px; font-size: 13px; opacity: .82; border-radius: 6px; }
.zsn-rail-l2:hover, .zsn-rail-l2.is-active { opacity: 1; background: rgba(255,255,255,.08); }

.zsn-main { flex: 1; min-width: 0; }
.zsn-section { margin-bottom: 26px; scroll-margin-top: 84px; }
.zsn-sec-title { display: flex; align-items: center; gap: 8px; font-size: 19px; margin: 0 0 12px; flex-wrap: wrap; }
.zsn-sec-title small { font-size: 12px; opacity: .55; font-weight: 400; }
.zsn-sec-caps { margin-left: auto; display: inline-flex; gap: 6px; flex-wrap: wrap; }
.zsn-sec-caps a { font-size: 12px; font-weight: 400; padding: 3px 12px; border-radius: 999px; border: 1px solid var(--main-border-color, #e5e7eb); color: inherit; text-decoration: none; background: var(--main-bg-color, #fff); }
.zsn-group-title { font-size: 15px; margin: 18px 0 10px; scroll-margin-top: 84px; opacity: .9; }
.zsn-grid { display: grid; grid-template-columns: repeat(var(--zsn-cols), 1fr); gap: 12px; }

.zsn-card { position: relative; background: var(--main-bg-color, #fff); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: var(--main-radius, 10px); padding: 13px 14px 9px; transition: box-shadow .18s, transform .18s; }
.zsn-card:hover { box-shadow: 0 10px 26px rgba(0,0,0,.1); transform: translateY(-2px); }
.zsn-card-main { display: flex; gap: 11px; text-decoration: none; color: inherit; }
.zsn-ic { width: 40px; height: 40px; border-radius: 9px; flex: none; object-fit: cover; }
.zsn-ic-letter { display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 18px; }
.zsn-card-body { min-width: 0; }
.zsn-card-name { display: block; font-weight: 700; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zsn-badge { font-style: normal; font-size: 10px; background: #ef4444; color: #fff; border-radius: 4px; padding: 1px 6px; margin-left: 6px; vertical-align: 2px; white-space: nowrap; }
.zsn-card-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 12.5px; opacity: .62; margin-top: 3px; line-height: 1.5; }
.zsn-card-foot { display: flex; align-items: center; gap: 8px; margin-top: 9px; font-size: 12px; min-height: 20px; }
.zsn-tags { opacity: .55; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zsn-heat { margin-left: auto; color: #d97706; white-space: nowrap; }
.zsn-fav { margin-left: auto; border: 0; background: transparent; cursor: pointer; font-size: 16px; color: #f59e0b; padding: 0 2px; line-height: 1; }
.zsn-heat + .zsn-fav { margin-left: 0; }
.zsn-fav.is-fav { color: #f59e0b; }
.zsn-more { display: none; border: 1px solid var(--main-border-color, #e5e7eb); background: transparent; border-radius: 999px; font-size: 12px; padding: 2px 10px; cursor: pointer; color: inherit; }
.zsn-empty { text-align: center; opacity: .6; padding: 30px 0; }

.zsn-submit { margin-top: 26px; background: var(--main-bg-color, #fff); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: var(--main-radius, 10px); padding: 16px; }
.zsn-submit h4 { margin: 0 0 12px; }
.zsn-submit form { display: flex; gap: 8px; flex-wrap: wrap; }
.zsn-submit input, .zsn-submit select { border: 1px solid var(--main-border-color, #e5e7eb); border-radius: 8px; padding: 8px 10px; background: transparent; color: inherit; }
.zsn-submit button { border: 0; border-radius: 8px; background: var(--theme-color, #3b82f6); color: #fff; padding: 8px 18px; cursor: pointer; }
.zsn-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* 悬停面板 */
.zsn-panel { position: fixed; z-index: 9999; width: 272px; max-width: calc(100vw - 24px); background: var(--main-bg-color, #fff); color: var(--main-color, #333); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: 12px; box-shadow: 0 18px 44px rgba(0,0,0,.18); padding: 13px 14px; opacity: 0; pointer-events: none; transition: opacity .16s; box-sizing: border-box; }
.zsn-panel.is-show { opacity: 1; pointer-events: auto; }
.zsn-panel-title { font-size: 12px; opacity: .55; margin-bottom: 8px; }
.zsn-panel-desc { font-size: 13px; line-height: 1.65; }
.zsn-panel-hl { margin: 8px 0 0; padding: 0; list-style: none; font-size: 12.5px; }
.zsn-panel-hl li { margin: 3px 0; }
.zsn-panel-hl li::before { content: "✓"; color: #22a06b; margin-right: 6px; }
.zsn-panel-items { display: flex; flex-direction: column; gap: 6px; }
.zsn-panel-item { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; padding: 6px 8px; border-radius: 8px; }
.zsn-panel-item:hover { background: rgba(127,127,127,.09); }
.zsn-panel-item-txt { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zsn-tag { flex: none; font-size: 11px; color: #fff; border-radius: 5px; padding: 2px 8px; text-decoration: none; }
a.zsn-tag:hover { opacity: .85; }
.zsn-panel-tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* 首页分区 */
.zsn-home { --zsn-cols: 5; --zsn-radius: 8px; margin: 0 0 26px; color: var(--main-color, #333); }
.zsn-home-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.zsn-home-head h3 { margin: 0; font-size: 20px; }
.zsn-home-sub { opacity: .6; font-size: 13px; }
.zsn-home-count { font-size: 12px; opacity: .5; }
.zsn-home-more { margin-left: auto; font-size: 13px; color: var(--theme-color, #3b82f6); text-decoration: none; }
.zsn-home-grid { display: grid; grid-template-columns: repeat(var(--zsn-cols), 1fr); gap: 12px; }
.zsn-home-card { display: flex; gap: 11px; align-items: flex-start; background: var(--main-bg-color, #fff); border: 1px solid var(--main-border-color, #e5e7eb); border-radius: var(--zsn-radius); padding: 14px; text-decoration: none; color: inherit; }
.zsn-shape-shadow .zsn-home-card { box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.zsn-shape-flat .zsn-home-card { box-shadow: none; }
.zsn-shape-sidebar .zsn-home-card { border-left: 4px solid var(--zsn-accent, #3b82f6); }
.zsn-home-card:hover { transform: translateY(-2px); transition: transform .16s; }
.zsn-ic-lg { width: 46px; height: 46px; border-radius: 10px; font-size: 20px; }
.zsn-home-body { min-width: 0; flex: 1; }
.zsn-home-name { display: block; font-weight: 700; font-size: 15px; }
.zsn-home-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 12.5px; opacity: .62; margin-top: 3px; line-height: 1.5; }
.zsn-home-feats { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; font-size: 12px; opacity: .8; }
.zsn-home-feats i { font-style: normal; color: #22a06b; margin-right: 5px; }
.zsn-home-price { color: #e02424; font-weight: 800; font-size: 14px; white-space: nowrap; }
.zsn-size-large .zsn-home-card { padding: 18px; }
.zsn-size-large .zsn-home-name { font-size: 16.5px; }
.zsn-size-compact .zsn-home-card { padding: 10px 12px; }
.zsn-size-compact .zsn-ic-lg { width: 36px; height: 36px; font-size: 16px; }
.zsn-size-compact .zsn-home-feats { display: none; }

@media (max-width: 1100px) {
    .zsn-grid, .zsn-home-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .zsn-layout { flex-direction: column; }
    .zsn-rail { position: static; width: auto; max-height: none; display: flex; overflow-x: auto; gap: 4px; padding: 8px; }
    .zsn-rail-group { flex: none; }
    .zsn-rail-l2s { position: static; }
    .zsn-grid, .zsn-home-grid { grid-template-columns: repeat(2, 1fr); }
    .zsn-more { display: inline-block; }
    .zsn-hero-title { font-size: 20px; }
}