:root{
  --green:#00AE66; --green-d:#009457; --blue:#3072F6; --blue-d:#235fd1;
  --ink:#101d37; --gray:#888; --line:#e8e8e8; --text:#333;
  --bg:#f5f6f8; --card:#fff; --shadow:0 2px 12px rgba(0,0,0,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 16px}

/* ---------- 顶栏（贝壳风） ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar-inner{display:flex;align-items:center;height:56px;gap:18px}
.brand-city{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.logo span{color:var(--green)}
.city{color:var(--text);font-size:15px;cursor:pointer;display:flex;align-items:center;gap:2px}
.city small{font-size:10px;color:var(--gray)}
.main-nav{display:flex;gap:28px;margin-left:30px;font-size:15px;flex:1}
.main-nav a{color:#333;padding:18px 0;position:relative;white-space:nowrap}
.main-nav a.active{color:var(--green);font-weight:700}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--green);border-radius:2px}
.main-nav a.disabled{color:#999;cursor:default}
.main-nav a:not(.active):not(.disabled):hover{color:var(--green)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:14px;color:#666}
.header-actions a{color:#666}
.header-actions a:hover{color:var(--green)}
.header-actions .login{color:var(--blue);font-weight:500}

/* ---------- Hero（贝壳风大搜索） ---------- */
.hero-hero{
  position:relative;min-height:380px;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 75% 25%, rgba(255,255,255,.12) 0%, transparent 35%),
    linear-gradient(115deg, rgba(35,45,70,.85) 0%, rgba(20,30,55,.95) 100%),
    linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
  color:#fff;text-align:center;padding:26px 16px;
}
.hero-overlay{max-width:760px;width:100%}
.hero-hero .slogan{font-size:18px;opacity:.9;margin-bottom:8px;letter-spacing:1px}
.hero-hero h1{font-size:38px;font-weight:800;margin-bottom:18px;letter-spacing:2px}
.search-tabs{display:inline-flex;gap:8px;margin-bottom:10px;background:rgba(255,255,255,.12);border-radius:6px;padding:4px}
.search-tabs span{padding:8px 20px;border-radius:4px;font-size:15px;color:rgba(255,255,255,.85);cursor:pointer;transition:.15s}
.search-tabs span.active{background:rgba(255,255,255,.22);color:#fff;font-weight:700}
.search-tabs span:not(.active):hover{background:rgba(255,255,255,.1)}
.search-box{display:flex;background:#fff;border-radius:4px;overflow:hidden;max-width:760px;margin:0 auto;box-shadow:0 6px 24px rgba(0,0,0,.22)}
.search-box input{flex:1;border:none;padding:12px 16px;font-size:16px;color:#333;outline:none}
.search-box input::placeholder{color:#bbb}
.map-btn{background:#fff;border:none;border-left:1px solid #eee;padding:0 18px;color:#666;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:4px}
.map-btn:hover{color:var(--blue)}
.search-btn{background:var(--blue);color:#fff;border:none;padding:0 32px;font-size:16px;font-weight:600;cursor:pointer}
.search-btn:hover{background:var(--blue-d)}
.hero-count{margin-top:10px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-count span{font-weight:700;color:#fff}

/* ---------- 筛选卡片 ---------- */
.filter-card{margin-top:-24px;position:relative;z-index:10}
.filters{background:#fff;border-radius:8px;box-shadow:var(--shadow);padding:14px 18px;display:flex;flex-direction:column;gap:10px}
.filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.filter-row label{font-size:13px;color:var(--gray);white-space:nowrap}
.filter-row select,.filter-row input{height:36px;border:1px solid var(--line);border-radius:4px;padding:0 12px;font-size:14px;outline:none;background:#fff;color:#333}
.filter-row select{min-width:130px}
.filter-row input[type=number]{width:110px}
.filter-row input[type=text]{width:190px}
.filter-row input:focus,.filter-row select:focus{border-color:var(--blue)}
.dash{color:var(--gray)}
.result-count{margin-left:auto;font-size:13px;color:var(--gray)}

.btn-primary{height:36px;padding:0 22px;border:none;background:var(--blue);color:#fff;border-radius:4px;cursor:pointer;font-size:14px;font-weight:500}
.btn-primary:hover{background:var(--blue-d)}
.btn-ghost{height:36px;padding:0 16px;border:1px solid var(--line);background:#fff;color:#555;border-radius:4px;cursor:pointer;font-size:14px}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- 列表区 ---------- */
.listings-section{background:#fff;padding:28px 0 32px}
.section-title{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:6px;position:relative;padding-left:12px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--green);border-radius:2px}
.section-title.feat::before{background:var(--blue)}
.section-title.flash::before{background:#ff5a36}
.section-title.rent::before{background:#9c27b0}
.section-title.deco::before{background:#ff9800}
.section-sub{font-size:14px;color:var(--gray);margin-bottom:16px;margin-left:12px}
.flash-bg{background:linear-gradient(180deg,#fff5f2 0%,#fff 100%)}
.section-title.flash{color:#ff5a36}
.deco-section{background:#fafbfc}

/* 卡片标签 */
.card-img .tag-feat{position:absolute;right:10px;top:10px;background:#3072F6;color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
.card-img .tag-flash{position:absolute;right:10px;top:10px;background:#ff5a36;color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
.card-img .tag-rent{position:absolute;right:10px;top:10px;background:#9c27b0;color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
.card-img .tag-deco{position:absolute;right:10px;top:10px;background:#ff9800;color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
/* 虚拟占位卡片：无真实图时用渐变占位 */
.rent-img{background:linear-gradient(135deg,#a18cd1 0%,#9c27b0 100%)!important;display:flex;align-items:center;justify-content:center}
.deco-img{display:flex;align-items:flex-end;justify-content:flex-start;padding:12px}
.deco-style{color:#fff;font-size:20px;font-weight:800;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.25)}
.deco-card .card-body .addr{white-space:normal;-webkit-line-clamp:2;line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.card-body .flash-price{color:#ff5a36;font-size:20px;font-weight:800}
.card-body .flash-price small{font-size:13px;font-weight:600}
.card-body .orig-price{color:#999;font-size:13px;text-decoration:line-through;margin-left:8px}
.flash-timer{display:inline-block;margin-top:6px;font-size:12px;color:#ff5a36;font-weight:600;background:#fff0ec;padding:3px 8px;border-radius:4px}
.flash-timer.ended{color:#999;background:#f2f2f2}
.flash-stock{display:inline-block;margin-top:6px;font-size:12px;color:#f5a623;font-weight:600;background:#fff4e0;padding:3px 8px;border-radius:4px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-bottom:10px}
.card{background:var(--card);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;border:1px solid #f2f2f2}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.card-img{height:150px;background-size:cover;background-position:center;position:relative;background-color:#dfe6e9}
.card-img .tag{position:absolute;left:10px;top:10px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
.card-img .tag-perf{position:absolute;right:10px;top:10px;background:#00897b;color:#fff;font-size:12px;padding:3px 8px;border-radius:4px}
.card-body{padding:12px 14px 16px}
.card-body .price{color:#ff5a36;font-size:20px;font-weight:800}
.card-body .price small{font-size:13px;font-weight:600}
.card-body .price-cap{display:inline-block;font-size:11px;font-weight:400;color:#999;margin-right:4px;vertical-align:1px}
.card-body .flash-price .price-cap{color:#fff;opacity:.85}
.card-body .title{font-size:15px;font-weight:600;margin:6px 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-body .meta{font-size:13px;color:#555}
.card-body .addr{font-size:12px;color:var(--gray);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.empty{text-align:center;color:var(--gray);padding:50px 0;font-size:15px}

/* ---------- 详情页 ---------- */
.detail-wrap{max-width:1000px;margin:24px auto;padding:0 16px}
.back{display:inline-block;color:var(--green);font-size:14px;margin-bottom:14px}
.gallery{display:flex;gap:12px}
.gallery .main{flex:1;height:420px;border-radius:12px;background-size:cover;background-position:center;background-color:#dfe6e9}
.gallery .thumbs{width:110px;display:flex;flex-direction:column;gap:8px;overflow:auto;max-height:420px}
.gallery .thumbs img{width:100%;height:74px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent}
.gallery .thumbs img.active{border-color:var(--green)}
.detail-main{display:flex;gap:24px;margin-top:22px}
.detail-info{flex:1}
.detail-info h1{font-size:26px;margin-bottom:10px}
.detail-price{color:#ff5a36;font-size:30px;font-weight:800;margin-bottom:16px}
.detail-price small{font-size:15px}
.detail-price .price-cap{display:inline-block;font-size:13px;font-weight:400;color:#999;margin-right:6px;vertical-align:2px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;background:#fafbfc;border:1px solid var(--line);border-radius:12px;padding:18px}
.info-grid .it{font-size:13px;color:var(--gray)}
.info-grid .it b{display:block;font-size:17px;color:var(--ink);font-weight:700;margin-top:2px}
.desc-box{margin-top:20px;background:#fff;border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.desc-box h3{font-size:16px;margin-bottom:10px}
.desc-box p{font-size:14px;color:#444;white-space:pre-wrap;line-height:1.8}
/* 详情页标签 / 秒杀价 */
.d-tags{margin-bottom:14px;display:flex;gap:8px}
.d-tag{display:inline-block;padding:4px 12px;border-radius:6px;font-size:13px;font-weight:700}
.d-tag.feat{background:#eaf1ff;color:#3072F6}
.d-tag.flash{background:#ffe9e3;color:#ff5a36}
.detail-price.flash{color:#ff5a36}
.detail-orig{color:#999;font-size:15px;text-decoration:line-through;margin-bottom:8px}
.detail-timer{display:inline-block;color:#ff5a36;font-weight:700;font-size:14px;background:#fff0ec;padding:6px 12px;border-radius:6px;margin-bottom:8px}
.detail-timer.ended{color:#999;background:#f2f2f2}
.detail-stock{display:inline-block;color:#f5a623;font-weight:700;font-size:14px;background:#fff4e0;padding:6px 12px;border-radius:6px;margin-bottom:8px}

.agent-card{width:280px;background:#fff;border-radius:12px;padding:20px;box-shadow:var(--shadow);align-self:flex-start;position:sticky;top:90px}
.agent-card .av{width:64px;height:64px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin:0 auto 10px}
.agent-card h4{text-align:center;font-size:17px}
.agent-card .store{text-align:center;font-size:13px;color:var(--gray);margin-bottom:14px}
.agent-card .phone{display:block;text-align:center;background:var(--green);color:#fff;padding:10px;border-radius:8px;font-size:15px;font-weight:600}

/* 多经纪人侧栏 */
.agent-side{width:300px;flex-shrink:0}
.agent-side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.agent-side .agent-card{width:100%;position:static;margin-bottom:14px}
.agent-side .agent-card .av{background:var(--blue)}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:14px 0;text-align:center;color:var(--gray);font-size:13px}

@media(max-width:980px){
  .main-nav{gap:16px;font-size:14px;margin-left:16px}
  .header-actions{gap:12px}
  .grid{grid-template-columns:repeat(2,1fr)}
  .detail-main{flex-direction:column}
  .agent-card{width:100%;position:static}
}
@media(max-width:720px){
  .topbar-inner{height:auto;padding:10px 0;flex-wrap:wrap;gap:10px}
  .main-nav{order:3;width:100%;margin-left:0;overflow:auto}
  .hero-hero{min-height:320px}
  .hero-hero h1{font-size:32px}
  .search-box{flex-wrap:wrap}
  .search-box input{width:100%;min-width:100%}
  .map-btn,.search-btn{padding:12px 16px;flex:1}
  .grid{grid-template-columns:1fr}
  .filter-row input[type=text]{width:100%}
  .gallery .main{height:260px}
}