/* 降價專區（event/special_price）2026 改版
   視覺語彙沿用房貸試算（assets/css/mortgage_calc.css）：白卡片、淺灰底、藍 accent、價格紅 */
:root{
  --sp-bg:#f3f5f7; --sp-surface:#fff; --sp-surface-2:#f7f8fa;
  --sp-ink:#1b2430; --sp-muted:#5f6a76; --sp-line:#dde2e6; --sp-line-strong:#b9c2c9;
  --sp-accent:#1f5fbf; --sp-accent-soft:#e3ecfa; --sp-price:#c2352c; --sp-price-soft:#fbe9e7;
  --sp-radius:10px; --sp-shadow:0 6px 18px rgba(27,36,48,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.sp{margin:0;background:var(--sp-bg);color:var(--sp-ink);font:14px/1.6 Roboto,Arial,"Noto Sans TC",sans-serif}
.sp a{color:inherit;text-decoration:none}
.sp img{max-width:100%;display:block}
.sp-wrap{width:min(1100px,100% - 32px);margin:0 auto}

/* 頁首：沿用舊版降價專區的藍底（#005daa）配白色 logo */
.sp-top{background:#005daa;box-shadow:0 3px 5px rgba(0,0,0,.2);position:sticky;top:0;z-index:20}
.sp-top .sp-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.sp-logo{display:flex;align-items:center}
.sp-logo img{height:36px;width:auto}
.sp-topnav{display:flex;gap:2px}
.sp-topnav a{padding:6px 10px;border-radius:8px;color:rgba(255,255,255,.85);font-size:13px;white-space:nowrap}
.sp-topnav a:hover{background:rgba(255,255,255,.14);color:#fff}
.sp-topnav a.on{background:rgba(255,255,255,.18);color:#fff;font-weight:700}

/* 標題區 */
.sp-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:26px 2px 16px}
.sp-hero h1{margin:0;font-size:24px;line-height:1.3;font-weight:700}
.sp-hero p{margin:6px 0 0;color:var(--sp-muted);font-size:13.5px;max-width:560px}
.sp-stat{flex:0 0 auto;background:var(--sp-surface);border:1px solid var(--sp-line);border-radius:var(--sp-radius);padding:10px 16px;box-shadow:var(--sp-shadow);display:flex;align-items:baseline;gap:6px;white-space:nowrap}
.sp-stat .l{font-size:12.5px;color:var(--sp-muted)}
.sp-stat .v{font-size:26px;font-weight:700;color:var(--sp-price);font-variant-numeric:tabular-nums;line-height:1.1}
.sp-stat .u{font-size:12.5px;color:var(--sp-muted)}

/* 縣市切換 */
.sp-cities{display:flex;flex-wrap:wrap;gap:8px;padding:2px 0 14px}
.sp-cities a{display:inline-flex;align-items:center;height:32px;padding:0 13px;border-radius:999px;border:1px solid var(--sp-line-strong);background:var(--sp-surface);color:var(--sp-ink);font-size:13px;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}
.sp-cities a:hover{border-color:var(--sp-accent);color:var(--sp-accent)}
.sp-cities a.on{background:var(--sp-accent);border-color:var(--sp-accent);color:#fff;font-weight:700}
.sp-cities a.all{border-color:var(--sp-price);color:var(--sp-price)}
.sp-cities a.all.on{background:var(--sp-price);border-color:var(--sp-price);color:#fff}

/* 篩選表單 */
.sp-filter{background:var(--sp-surface);border:1px solid var(--sp-line);border-radius:var(--sp-radius);padding:14px 16px 12px;margin-bottom:14px;box-shadow:var(--sp-shadow)}
.sp-filter summary{display:none;list-style:none;cursor:pointer;align-items:center;gap:8px;font-weight:700;font-size:14px}
.sp-filter summary::-webkit-details-marker{display:none}
.sp-filter summary .tag{font-size:11px;font-weight:700;color:var(--sp-accent);background:var(--sp-accent-soft);border-radius:999px;padding:2px 8px}
.sp-filter summary .chev{margin-left:auto;width:8px;height:8px;border-right:2px solid var(--sp-muted);border-bottom:2px solid var(--sp-muted);transform:rotate(45deg);transition:transform .15s}
.sp-filter[open] summary .chev{transform:rotate(-135deg)}
.sp-filter .sp-fields{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px 12px}
.sp-filter .sp-field{display:grid;gap:4px;min-width:0}
.sp-filter .sp-field.wide{grid-column:span 2}
.sp-filter label{font-size:12px;color:var(--sp-muted)}
.sp-filter select,.sp-filter input{width:100%;height:36px;border:1px solid var(--sp-line-strong);border-radius:8px;background:var(--sp-surface);padding:0 10px;font:inherit;color:var(--sp-ink);margin:0}
.sp-filter select:focus-visible,.sp-filter input:focus-visible,.sp-cities a:focus-visible,.sp-card a:focus-visible{outline:2px solid var(--sp-accent);outline-offset:2px}
.sp-filter .sp-range{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px}
.sp-filter .sp-range span{color:var(--sp-muted)}
.sp-filter .sp-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--sp-line)}
.sp-filter .sp-clear{font-size:13px;color:var(--sp-muted)}
.sp-filter .sp-clear:hover{color:var(--sp-accent)}
.sp-btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 22px;border:0;border-radius:8px;background:var(--sp-accent);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.sp-btn:hover{background:#184c99}

/* 結果列 */
.sp-resbar{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:4px 2px 10px;font-size:13px;color:var(--sp-muted)}
.sp-resbar b{color:var(--sp-ink);font-size:15px}
.sp-resbar .n{color:var(--sp-price);font-weight:700}

/* 物件卡片 */
.sp-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.sp-card{background:var(--sp-surface);border:1px solid var(--sp-line);border-radius:var(--sp-radius);overflow:hidden;box-shadow:var(--sp-shadow);transition:transform .15s,box-shadow .15s}
.sp-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(27,36,48,.12)}
.sp-card>a{display:flex;flex-direction:column;height:100%}
.sp-img{position:relative;aspect-ratio:4/3;background:var(--sp-surface-2);overflow:hidden}
.sp-img img{width:100%;height:100%;object-fit:cover}
.sp-badge{position:absolute;left:10px;top:10px;background:var(--sp-price);color:#fff;font-weight:700;font-size:13px;line-height:1;padding:7px 9px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.sp-badge b{font-size:17px;margin-left:2px}
.sp-body{padding:10px 12px 12px;display:grid;gap:4px;flex:1}
.sp-loc{margin:0;font-size:12px;color:var(--sp-muted)}
.sp-name{margin:0;font-size:14px;font-weight:500;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.sp-price{margin:2px 0 0;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.sp-price s{color:var(--sp-muted);font-size:12.5px}
.sp-price b{color:var(--sp-price);font-size:22px;font-weight:700;line-height:1.1}
.sp-price b small{font-size:13px;font-weight:500;margin-left:2px}
.sp-meta{margin:0;font-size:12px;color:var(--sp-muted);display:flex;gap:8px;flex-wrap:wrap}
.sp-meta .down{color:var(--sp-price);font-weight:700}

/* 空狀態 */
.sp-empty{background:var(--sp-surface);border:1px dashed var(--sp-line-strong);border-radius:var(--sp-radius);padding:40px 20px;text-align:center;color:var(--sp-muted)}
.sp-empty b{display:block;color:var(--sp-ink);font-size:16px;margin-bottom:6px}

/* 分頁（CodeIgniter pagination 輸出） */
.sp-pager{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px;margin:22px 0 10px;font-variant-numeric:tabular-nums}
.sp-pager a,.sp-pager .cur{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:8px;border:1px solid var(--sp-line-strong);background:var(--sp-surface);color:var(--sp-ink);font-size:13.5px}
.sp-pager a:hover{border-color:var(--sp-accent);color:var(--sp-accent)}
.sp-pager .cur{background:var(--sp-accent);border-color:var(--sp-accent);color:#fff;font-weight:700}

/* 頁尾 */
.sp-foot{margin-top:40px;padding:22px 0 30px;border-top:1px solid var(--sp-line);color:var(--sp-muted);font-size:12.5px}
.sp-foot .sp-wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* 平板 */
@media (max-width:900px){
  .sp-filter .sp-fields{grid-template-columns:repeat(4,minmax(0,1fr))}
  .sp-filter .sp-field.wide{grid-column:span 2}
}
/* 手機 */
@media (max-width:600px){
  .sp-wrap{width:min(1100px,100% - 24px)}
  .sp-top .sp-wrap{height:50px}
  .sp-logo img{height:30px}
  .sp-topnav{gap:0}
  .sp-topnav a{padding:6px 6px;font-size:12.5px}
  .sp-hero{flex-direction:column;align-items:stretch;gap:12px;padding:16px 0 12px}
  .sp-hero h1{font-size:20px}
  .sp-stat{justify-content:center}
  .sp-stat .v{font-size:22px}
  /* 縣市改單列橫向捲動，避免 20 個 chip 疊成好幾排 */
  .sp-cities{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;margin:0 -12px;padding:2px 12px 12px;scrollbar-width:none}
  .sp-cities::-webkit-scrollbar{display:none}
  .sp-cities a{scroll-snap-align:start;flex:0 0 auto}
  .sp-filter{padding:12px}
  .sp-filter summary{display:flex}
  .sp-filter[open] summary{margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--sp-line)}
  .sp-filter .sp-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sp-filter .sp-field.wide{grid-column:span 2}
  .sp-filter .sp-actions{flex-direction:column-reverse;align-items:stretch;gap:10px}
  .sp-btn{width:100%}
  .sp-resbar{flex-direction:column;gap:2px}
  .sp-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .sp-body{padding:8px 10px 10px}
  .sp-name{font-size:13px}
  .sp-price b{font-size:19px}
  .sp-badge{font-size:12px;padding:6px 8px}
  .sp-badge b{font-size:15px}
  .sp-pager a,.sp-pager .cur{min-width:32px;height:32px;padding:0 8px;font-size:13px}
}
@media (max-width:360px){
  .sp-grid{grid-template-columns:1fr}
}