/* ══════ 全局 ══════ */
:root {
  --primary: #1677ff;
  --primary-hover: #0958d9;
  --text: #333;
  --text-2: #666;
  --text-3: #999;
  --bg: #f5f7fa;
  --bg-card: #fff;
  --border: #e8e8e8;
  --radius-btn: 8px;
  --radius-card: 10px;
  --sp: 15px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .15s}
a:hover{color:var(--primary-hover)}

/* ══════ 顶栏 ══════ */
.hd{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.hd-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;height:52px;padding:0 20px;gap:8px}
.hd .lg{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;flex-shrink:0}
.hd .lg .t{color:var(--primary)}
/* 导航（桌面） */
.hd nav.nb{display:none;flex:1;align-items:center;gap:2px}
@media(min-width:768px){
  .hd nav.nb{display:flex}
}
.hd .nb a{white-space:nowrap;padding:0 10px;font-size:13px;color:var(--text-2);height:52px;display:flex;align-items:center;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;text-decoration:none;flex-shrink:0}
.hd .nb a:hover{color:var(--text);border-bottom-color:var(--primary);text-decoration:none}
.hd .nb a.ac{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
/* 全部分类下拉按钮 */
.dd-w{position:relative;flex-shrink:0}
.dd-b{font-size:13px;color:var(--text-2);height:52px;display:flex;align-items:center;gap:3px;padding:0 10px;background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;white-space:nowrap}
.dd-b:hover{color:var(--text);border-bottom-color:var(--primary)}
.dd-a{font-size:10px;transition:transform .2s}
.dd.show .dd-a{transform:rotate(180deg)}
/* 下拉菜单 */
.dd{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:520px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:0 8px 30px rgba(0,0,0,.12);padding:14px 16px;z-index:200;grid-template-columns:repeat(3,1fr);gap:4px}
.dd.show{display:grid}
.dd a{font-size:13px;color:var(--text-2);padding:8px 10px;border-radius:6px;display:flex;align-items:center;gap:5px;transition:background .15s,color .15s;text-decoration:none}
.dd a:hover{background:#f0f5ff;color:var(--primary);text-decoration:none}
.dd a.ac{color:var(--primary);background:#f0f5ff;font-weight:600}
/* 顶栏右侧 */
.hd-r{display:flex;align-items:center;gap:8px;flex-shrink:0}
.hd .bt{font-size:13px;font-weight:500;color:#fff;padding:6px 14px;border-radius:var(--radius-btn);background:var(--primary);white-space:nowrap;flex-shrink:0;border:none;cursor:pointer;transition:background .15s;text-decoration:none}
.hd .bt:hover{background:var(--primary-hover);color:#fff;text-decoration:none}
/* 汉堡菜单按钮（手机） */
.hm{display:flex;align-items:center;justify-content:center;width:36px;height:36px;font-size:22px;background:none;border:none;cursor:pointer;color:var(--text-2);border-radius:6px;transition:background .15s}
.hm:hover{background:#f0f0f0}
@media(min-width:768px){
  .hm{display:none}
}
/* 移动端覆盖层 */
.mo-ov{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);z-index:200;opacity:0;transition:opacity .25s}
.mo-ov.show{display:block;opacity:1}
/* 移动端抽屉 */
.mo-drawer{display:none;position:fixed;top:0;left:0;bottom:0;width:280px;max-width:80vw;background:#fff;z-index:201;transform:translateX(-100%);transition:transform .25s;overflow-y:auto;box-shadow:2px 0 20px rgba(0,0,0,.1)}
.mo-drawer.show{display:block;transform:translateX(0)}
.mo-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}
.mo-t{font-size:16px;font-weight:700;color:var(--text)}
.mo-c{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:16px;background:none;border:none;cursor:pointer;color:var(--text-2);border-radius:6px}
.mo-c:hover{background:#f0f0f0}
.mo-body{display:flex;flex-direction:column;padding:10px 0}
.mo-body a{font-size:15px;color:var(--text-2);padding:12px 18px;display:flex;align-items:center;gap:8px;text-decoration:none;transition:background .15s}
.mo-body a:hover{background:#f5f7fa;color:var(--primary);text-decoration:none}
.mo-body a.ac{color:var(--primary);background:#f0f5ff;font-weight:600}
.no-scroll{overflow:hidden}

/* ══════ 搜索区 ══════ */
.sb{background:#fff;padding:36px 20px 28px;text-align:center;border-bottom:1px solid var(--border)}
.sb h1{font-size:26px;font-weight:700;color:var(--text);margin-bottom:2px}
.sb .sp{font-size:14px;color:var(--text-2);margin-bottom:14px}
.sx{display:flex;max-width:440px;margin:0 auto;border-radius:var(--radius-btn);overflow:hidden;border:1px solid var(--border);background:var(--bg-card);transition:border-color .2s}
.sx:focus-within{border-color:var(--primary)}
.si{flex:1;padding:9px 14px;border:none;background:transparent;font-size:14px;outline:none;color:var(--text)}
.si::placeholder{color:var(--text-3)}
.sbb{padding:9px 22px;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:background .15s}
.sbb:hover{background:var(--primary-hover)}

/* ══════ 主容器 ══════ */
.w{max-width:1120px;margin:0 auto;padding:20px}

/* ══════ 分类区块 ══════ */
.se{margin-bottom:28px}
.st{font-size:16px;font-weight:700;color:var(--text);padding:0 0 10px;margin-bottom:0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px}
.st .mo{font-size:13px;font-weight:400;color:var(--primary);margin-left:auto}
.st .mo:hover{text-decoration:underline}

/* ══════ 频道卡片网格 ══════ */
.lm{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:10px;margin-bottom:10px}
.ml{display:flex;flex-direction:column;padding:12px 14px;border-radius:var(--radius-card);border:1px solid var(--border);background:var(--bg-card);transition:all .2s;text-decoration:none;gap:3px}
.ml:hover{border-color:var(--primary);box-shadow:0 2px 8px rgba(22,119,255,.08);text-decoration:none}
.ml .n{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ml .d{font-size:12px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ml:hover .n{color:var(--primary)}

/* ══════ 列表模式（分类页/搜索页） ══════ */
.lv{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.lv .ml{flex-direction:row;align-items:center;padding:10px 14px;gap:12px}
.lv .ml .n{min-width:160px;flex-shrink:0}
.lv .ml .d{flex:1}

/* ══════ 详情页 ══════ */
.dt{max-width:640px;margin:0 auto}
.bc{font-size:12px;color:var(--text-3);margin-bottom:14px}
.bc a{color:var(--text-2)}
.dh{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px;margin-bottom:15px}
.di{font-size:40px;line-height:1;margin-bottom:10px}
.dh h1{font-size:20px;font-weight:700;color:var(--text);margin-bottom:2px}
.du{font-size:13px;color:var(--primary);margin-bottom:4px;font-weight:500}
.ds{font-size:13px;color:var(--text-2);display:flex;gap:12px}
.db{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:15px;margin-bottom:15px}
.db h3{font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:600}
.db p{font-size:14px;line-height:1.7;color:var(--text)}
.bb{display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;background:var(--primary);color:#fff;border-radius:var(--radius-btn);font-size:14px;font-weight:500;transition:background .15s;border:none;cursor:pointer}
.bb:hover{background:var(--primary-hover);text-decoration:none;color:#fff}
.bb:active{transform:scale(.98)}

/* ══════ 底部 ══════ */
.ft{text-align:center;padding:24px;color:var(--text-3);font-size:12px;border-top:1px solid var(--border);margin-top:30px}
.ft a{color:var(--primary)}

/* ══════ 分页 ══════ */
.pg{display:flex;gap:8px;justify-content:center;align-items:center;padding:15px 0}
.pb{padding:6px 14px;background:var(--bg-card);color:var(--text-2);border:1px solid var(--border);border-radius:var(--radius-btn);font-size:13px;transition:all .15s;text-decoration:none}
.pb:hover{color:var(--primary);border-color:var(--primary);text-decoration:none}
.pi{font-size:13px;color:var(--text-3)}

/* ══════ 空状态 ══════ */
.ep{text-align:center;padding:60px 20px;color:var(--text-3)}

/* ══════ 移动端 ══════ */
@media(max-width:720px){
  .hd-inner{padding:0 12px;height:48px}
  .hd .lg{font-size:15px}
  .sb{padding:24px 14px 18px}
  .sb h1{font-size:20px}
  .sx{max-width:100%}
  .w{padding:12px}
  .lm{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}

}
/* ══════ 原内联样式（SEO 优化后外链化）══════ */

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans SC",system-ui,sans-serif;background:#f5f7fa;color:#333;font-size:14px;line-height:1.6}
a{color:#1677ff;text-decoration:none}
a:hover{color:#0958d9}
.hd{position:fixed;top:0;left:0;right:0;z-index:100;background:#fff;border-bottom:1px solid #e8e8e8}
.hd-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;height:52px;padding:0 20px}
.hd .lg{font-size:16px;font-weight:700;color:#333;white-space:nowrap}
.hd .lg .t{color:#1677ff}
.hd .bot-link{margin-left:auto;background:#1677ff;color:#fff;padding:6px 14px;border-radius:6px;font-size:13px;white-space:nowrap;flex-shrink:0}
.hd .bot-link:hover{background:#0958d9}
.sb{background:#fff;padding:40px 20px;text-align:center;border-bottom:1px solid #e8e8e8;margin-top:52px}
.sb h1{font-size:28px;font-weight:700;margin-bottom:8px}
.sb .sp{color:#666;margin-bottom:16px}
.sx{display:flex;max-width:500px;margin:0 auto;border:1px solid #e8e8e8;border-radius:8px;overflow:hidden}
.si{flex:1;padding:12px 16px;border:none;font-size:16px;outline:none}
.sbb{padding:12px 24px;background:#1677ff;color:#fff;border:none;cursor:pointer;font-size:14px}
.hot-tags{margin-top:12px}
.hot-tags a{display:inline-block;margin:4px 8px;color:#666;font-size:13px}
.hot-tags a:hover{color:#1677ff}
.w{max-width:1120px;margin:0 auto;padding:20px}
.cat-box{background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:16px;margin-bottom:20px}
.cat-title{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #eee;display:flex;align-items:center;gap:6px}
.cat-title a{font-size:12px;font-weight:400;color:#1677ff;margin-left:auto}
.cat-list{display:flex;flex-wrap:wrap;gap:8px}
.cat-item{display:inline-block;padding:6px 12px;background:#f5f5f5;border-radius:4px;font-size:13px;color:#333;transition:all .15s}
.cat-item:hover{background:#1677ff;color:#fff}
.ft{padding:30px 20px;text-align:center;color:#999;font-size:13px}
.ft a{color:#1677ff}