:root{
  --primary:#ff552e;
  --primary-dark:#e8401a;
  --primary-light:#fff4f1;
  --text:#222;
  --text-2:#666;
  --text-3:#9a9a9a;
  --border:#ececec;
  --bg:#f5f6f7;
  --radius:8px;
  --container:1200px;
  --shadow:0 2px 8px rgba(0,0,0,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px;color:var(--text);background:var(--bg);line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font-family:inherit;font-size:inherit;outline:none;border:none;background:none}
ul,ol{list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 16px}

/* ===================== 顶部 Header（同首页） ===================== */
.site-header{
  background:#fff;position:sticky;top:0;z-index:100;
  box-shadow:0 1px 0 var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:16px;
  padding:12px 0;flex-wrap:wrap;
}
.logo{
  font-size:22px;font-weight:800;color:var(--primary);
  flex-shrink:0;letter-spacing:-.5px;
}
.logo span{color:var(--text)}

.city-switch{position:relative;flex-shrink:0}
.city-btn{
  display:flex;align-items:center;gap:4px;
  padding:6px 10px;border-radius:6px;
  color:var(--text-2);cursor:pointer;transition:.2s;
  white-space:nowrap;
}
.city-btn:hover{background:var(--bg);color:var(--primary)}
.city-btn .arrow{
  width:0;height:0;border-left:4px solid transparent;
  border-right:4px solid transparent;border-top:5px solid currentColor;
  transition:transform .2s;
}
.city-switch.open .city-btn .arrow{transform:rotate(180deg)}
.city-dropdown{
  position:absolute;top:calc(100% + 8px);left:0;
  background:#fff;border-radius:var(--radius);
  box-shadow:0 6px 24px rgba(0,0,0,.12);
  padding:12px;width:320px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:.2s;z-index:110;
}
.city-switch.open .city-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.city-dropdown h4{font-size:12px;color:var(--text-3);font-weight:400;margin-bottom:8px}
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.city-grid a{
  padding:6px 4px;text-align:center;border-radius:6px;
  font-size:13px;color:var(--text-2);transition:.15s;
}
.city-grid a:hover{background:var(--primary-light);color:var(--primary)}
.city-grid a.active{background:var(--primary);color:#fff;font-weight:600}

.search{
  flex:1;min-width:260px;display:flex;align-items:center;
  border:2px solid var(--primary);border-radius:var(--radius);
  overflow:hidden;background:#fff;height:42px;
}
.search-cat{
  padding:0 12px;color:var(--text-2);font-size:13px;
  border-right:1px solid var(--border);
  white-space:nowrap;cursor:pointer;line-height:38px;
  display:flex;align-items:center;gap:4px;
}
.search-cat::after{
  content:"";width:0;height:0;
  border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid #bbb;
}
.search-input{flex:1;padding:0 14px;height:100%;font-size:14px;color:var(--text);min-width:0}
.search-input::placeholder{color:#bbb}
.search-btn{
  height:100%;padding:0 26px;background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;transition:.2s;flex-shrink:0;
}
.search-btn:hover{background:var(--primary-dark)}

.btn-post{
  flex-shrink:0;padding:0 22px;height:42px;line-height:42px;
  background:var(--primary);color:#fff;border-radius:var(--radius);
  font-weight:600;transition:.2s;white-space:nowrap;
}
.btn-post:hover{background:var(--primary-dark)}

.main-nav{border-top:1px solid var(--border);background:#fff}
.main-nav ul{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.main-nav a{
  display:block;padding:11px 0;font-size:15px;color:var(--text-2);
  white-space:nowrap;border-bottom:2px solid transparent;transition:.2s;
}
.main-nav a:hover,.main-nav a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* 移动端广告位 */
.mobile-ad{display:none}

/* ===================== 面包屑 ===================== */
.breadcrumb{
  padding:14px 0 0;font-size:13px;color:var(--text-3);
}
.breadcrumb a{transition:.15s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 6px;color:#ccc}

/* ===================== 主体布局 ===================== */
.layout{
  display:grid;grid-template-columns:1fr 300px;
  gap:20px;align-items:start;padding:14px 0 40px;
}
.main-col{min-width:0}
.side-col{display:flex;flex-direction:column;gap:16px}

/* ===================== 详情卡片 ===================== */
.detail-card{
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  margin-bottom:16px;
}

/* 顶部信息区：左图 + 右信息 */
.detail-top{
  display:flex;gap:24px;
  padding:24px;
  border-bottom:1px solid var(--border);
}

/* 左侧单图 */
.detail-photo{
  flex:0 0 380px;
  height:285px;border-radius:var(--radius);
  background:linear-gradient(135deg,#ffb8a3,#ff7a55);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:600;letter-spacing:1px;
  overflow:hidden;
}
.detail-photo img{width:100%;height:100%;object-fit:cover}

/* 右侧信息 */
.detail-info{
  flex:1;min-width:0;
  display:flex;flex-direction:column;
}
.detail-title{
  font-size:22px;font-weight:700;color:var(--text);
  line-height:1.4;margin-bottom:14px;
}
.detail-meta{
  display:flex;flex-wrap:wrap;gap:16px;
  font-size:13px;color:var(--text-3);
  padding-bottom:16px;margin-bottom:16px;
  border-bottom:1px dashed var(--border);
}
.detail-meta span{display:flex;align-items:center;gap:4px}

/* 联系信息行 */
.contact-list{
  display:flex;flex-direction:column;gap:12px;
  margin-bottom:auto;
}
.contact-item{
  display:flex;align-items:center;font-size:14px;color:var(--text-2);
}
.contact-item .label{
  flex:0 0 72px;color:var(--text-3);font-size:13px;
}
.contact-item .value{font-weight:600;color:var(--text)}
.contact-item .phone{
  font-size:19px;font-weight:700;color:var(--primary);
  font-family:Arial,sans-serif;letter-spacing:.5px;
}

/* 双按钮 */
.contact-actions{
  display:flex;gap:12px;margin-top:20px;
}
.contact-actions .btn{
  flex:1;text-align:center;padding:12px 0;
  border-radius:6px;font-weight:700;font-size:15px;
  cursor:pointer;transition:.2s;
}
.btn-call{
  background:var(--primary);color:#fff;
}
.btn-call:hover{background:var(--primary-dark)}
.btn-wechat{
  background:var(--primary-light);color:var(--primary);
  border:1px solid var(--primary);
}
.btn-wechat:hover{background:var(--primary);color:#fff}

/* 详情描述 */
.detail-body{
  padding:24px;
}
.detail-body h3{
  font-size:16px;font-weight:700;margin-bottom:14px;
  padding-left:10px;position:relative;
}
.detail-body h3::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);width:3px;height:15px;
  background:var(--primary);border-radius:2px;
}
.detail-desc{
  font-size:14px;color:var(--text-2);line-height:1.9;
}
.detail-desc p{margin-bottom:12px}
.detail-desc p:last-child{margin-bottom:0}

/* ===================== 上下篇导航 ===================== */
.page-nav{
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  margin-bottom:16px;
}
.page-nav a{
  display:flex;align-items:center;gap:10px;
  padding:14px 20px;
  font-size:14px;color:var(--text-2);
  transition:.2s;
}
.page-nav a:hover{color:var(--primary);background:#fafafa}
.page-nav .nav-prev{border-bottom:1px solid var(--border)}
.page-nav .nav-label{
  flex:0 0 auto;color:var(--text-3);font-size:13px;
}
.page-nav .nav-title{
  flex:1;min-width:0;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.page-nav .nav-arrow{flex:0 0 auto;color:#ccc;font-size:16px}
.page-nav a.disabled{
  color:#ccc;cursor:not-allowed;pointer-events:none;
}

/* ===================== 侧栏卡片（同首页） ===================== */
.side-card{
  background:#fff;border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;margin-bottom:12px;
  padding-left:10px;position:relative;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);width:3px;height:14px;
  background:var(--primary);border-radius:2px;
}

/* 发布者卡片 */
.publisher{text-align:center}
.publisher .avatar{
  width:64px;height:64px;border-radius:50%;margin:0 auto 10px;
  background:linear-gradient(135deg,#ffb8a3,#ff7a55);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:22px;font-weight:700;
}
.publisher .name{font-size:16px;font-weight:700;margin-bottom:4px}
.publisher .info{font-size:12px;color:var(--text-3);margin-bottom:14px}
.publisher .btn{
  display:block;background:var(--primary-light);color:var(--primary);
  padding:9px;border-radius:6px;font-weight:600;font-size:13px;
  transition:.2s;
}
.publisher .btn:hover{background:var(--primary);color:#fff}

/* 相关推荐列表 */
.related-list li{
  display:flex;gap:10px;padding:10px 0;
  border-bottom:1px dashed var(--border);
}
.related-list li:last-child{border-bottom:none}
.related-list .thumb{
  flex:0 0 70px;height:52px;border-radius:5px;
  background:linear-gradient(135deg,#ffd9a3,#ffab33);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:10px;overflow:hidden;
}
.related-list li:nth-child(2n) .thumb{background:linear-gradient(135deg,#a3c9ff,#5f9dff)}
.related-list li:nth-child(3n) .thumb{background:linear-gradient(135deg,#a8e6b8,#4fc76d)}
.related-list .info{flex:1;min-width:0}
.related-list .title{
  font-size:13px;color:var(--text-2);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:4px;
}
.related-list .title:hover{color:var(--primary)}
.related-list .time{font-size:11px;color:var(--text-3)}

/* 热门分类 */
.hot-cat{display:flex;flex-wrap:wrap;gap:8px}
.hot-cat a{
  padding:5px 12px;background:var(--bg);border-radius:14px;
  font-size:13px;color:var(--text-2);transition:.15s;
}
.hot-cat a:hover{background:var(--primary-light);color:var(--primary)}

/* 排行榜 */
.rank li{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;border-bottom:1px dashed var(--border);
  font-size:13px;
}
.rank li:last-child{border-bottom:none}
.rank .num{
  flex:0 0 18px;height:18px;line-height:18px;text-align:center;
  background:#e6e6e6;color:#fff;border-radius:4px;
  font-size:11px;font-weight:700;
}
.rank li:nth-child(1) .num{background:#ff4d4f}
.rank li:nth-child(2) .num{background:#ff8c33}
.rank li:nth-child(3) .num{background:#ffc53d}
.rank a{
  flex:1;color:var(--text-2);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;transition:.15s;
}
.rank a:hover{color:var(--primary)}

/* ===================== 页脚（同首页） ===================== */
.site-footer{
  background:#fff;border-top:1px solid var(--border);
  padding:28px 0 24px;
}
.friend-links{
  padding-bottom:18px;margin-bottom:18px;
  border-bottom:1px solid var(--border);
}
.friend-links h4{
  font-size:14px;font-weight:700;margin-bottom:12px;
  padding-left:10px;position:relative;
}
.friend-links h4::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);width:3px;height:14px;
  background:var(--primary);border-radius:2px;
}
.friend-links .links{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  font-size:13px;color:var(--text-3);
}
.friend-links .links a{transition:.15s}
.friend-links .links a:hover{color:var(--primary)}

.footer-links{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  padding-bottom:18px;border-bottom:1px solid var(--border);
  font-size:13px;color:var(--text-2);
}
.footer-links a:hover{color:var(--primary)}
.footer-links .sep{color:#ddd}
.copyright{
  padding-top:18px;font-size:12px;color:var(--text-3);
  line-height:1.9;text-align:center;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:20px;bottom:40px;width:44px;height:44px;
  background:#fff;border-radius:50%;box-shadow:0 4px 16px rgba(0,0,0,.15);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);cursor:pointer;font-size:18px;
  opacity:0;visibility:hidden;transition:.3s;z-index:90;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{color:var(--primary)}

/* ===================== 响应式 ===================== */
@media (max-width:991px){
  .layout{grid-template-columns:1fr}
  .side-col{order:2}
  .side-col{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .publisher{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 12px}
  .header-inner{gap:10px;padding:10px 0}
  .logo{font-size:19px}
  .search{order:3;width:100%;min-width:0;height:40px}
  .search-cat{display:none}
  .search-btn{padding:0 20px;font-size:14px}
  .btn-post{display:none}
  .city-dropdown{width:calc(100vw - 48px);max-width:320px}
  .city-grid{grid-template-columns:repeat(4,1fr)}

  .main-nav ul{gap:20px}
  .main-nav a{font-size:14px;padding:9px 0}

  .mobile-ad{
    display:flex;align-items:center;justify-content:center;
    height:80px;margin-top:12px;
    background:linear-gradient(135deg,#eef3fa,#dbe5f2);
    border:1px dashed #c3cfdf;border-radius:var(--radius);
    color:#8a9bb5;font-size:13px;letter-spacing:.5px;
    overflow:hidden;
  }
  .mobile-ad img{width:100%;height:100%;object-fit:cover}

  .breadcrumb{padding-top:10px;font-size:12px}

  /* 顶部信息区改为上下布局 */
  .detail-top{
    flex-direction:column;gap:16px;padding:16px 14px;
  }
  .detail-photo{
    flex:none;width:100%;height:220px;
  }
  .detail-title{font-size:18px;margin-bottom:10px}
  .detail-meta{gap:12px;font-size:12px;padding-bottom:12px;margin-bottom:12px}

  .contact-item .label{flex:0 0 64px;font-size:12px}
  .contact-item .phone{font-size:17px}

  .contact-actions{gap:10px;margin-top:16px}
  .contact-actions .btn{padding:11px 0;font-size:14px}

  .detail-body{padding:16px 14px}
  .detail-body h3{font-size:15px}
  .detail-desc{font-size:13px}

  .page-nav a{padding:12px 14px;font-size:13px}

  .side-col{grid-template-columns:1fr}
  .to-top{right:14px;bottom:24px;width:40px;height:40px}
}
@media (max-width:400px){
  .detail-photo{height:180px}
  .detail-title{font-size:17px}
  .contact-actions{flex-direction:column}
}