*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  :root{
    --blue-900:#0a1628;--blue-800:#0d2240;--blue-700:#0f3460;--blue-600:#165a9c;
    --blue-500:#1a73e8;--blue-400:#4a90e2;--blue-300:#7ab8f5;--blue-200:#a8d4ff;
    --blue-100:#d6eaff;--blue-50:#eef5fc;--accent:#00c9db;--gold:#f0a500;
    --green:#10b981;--red:#ef4444;--orange:#f59e0b;
    --white:#ffffff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;
    --gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;
    --gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;
    --radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;
    --shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.1);
    --shadow-lg:0 8px 32px rgba(0,0,0,.12);--shadow-xl:0 16px 48px rgba(13,34,64,.15);
    --transition:all .3s cubic-bezier(.4,0,.2,1);--max-width:1200px;
  }
  html{scroll-behavior:smooth;font-size:16px}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    color:var(--gray-800);background:var(--gray-50);line-height:1.7;
    overflow-x:hidden;-webkit-font-smoothing:antialiased;
  }
  a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto}
  .container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

  /* ========== Breadcrumb ========== */
  .breadcrumb-bar{
    padding:18px 0 0;background:var(--white);border-bottom:1px solid var(--gray-300);
  }
  .breadcrumb-bar .container{padding:16px 20px}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--gray-400);
  }
  .breadcrumb a{color:var(--gray-500);transition:var(--transition)}
  .breadcrumb a:hover{color:var(--blue-500)}

  /* ========== Detail Layout ========== */
  .detail-section{padding:32px 0 60px}
  .detail-grid{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}

  /* ========== Image Gallery ========== */
  .gallery{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}
  .gallery-main{
    background:linear-gradient(135deg,var(--blue-700),var(--blue-500));
    height:420px;display:flex;align-items:center;justify-content:center;
    font-size:6rem;color:rgba(255,255,255,.25);position:relative;
  }
  .gallery-badges{
    position:absolute;top:20px;left:20px;display:flex;gap:8px;
  }
  .g-badge{
    padding:5px 14px;border-radius:20px;font-size:.78rem;font-weight:700;letter-spacing:.02em;
  }
  .g-badge.available{background:var(--green);color:var(--white)}
  .g-badge.promo{background:var(--red);color:var(--white);animation:badgePulse 2s infinite}
  @keyframes badgePulse{0%,100%{opacity:1}50%{opacity:.75}}
  .gallery-thumbs{display:flex;gap:8px;padding:12px}
  .gallery-thumb{
    width:80px;height:60px;border-radius:var(--radius-sm);cursor:pointer;
    background:linear-gradient(135deg,var(--blue-100),var(--blue-200));
    display:flex;align-items:center;justify-content:center;font-size:1.5rem;
    color:var(--blue-300);transition:var(--transition);border:2px solid transparent;
  }
  .gallery-thumb:hover,.gallery-thumb.active{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(26,115,232,.15)}

  /* ========== Main Info ========== */
  .info-card{
    background:var(--white);border-radius:var(--radius-lg);padding:32px;
    box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);margin-top:20px;
  }
  .info-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px}
  .info-header .ih-left h1{font-size:1.6rem;font-weight:800;color:var(--gray-900);margin-bottom:8px}
  .info-header .ih-left .location{display:flex;align-items:center;gap:6px;font-size:.9rem;color:var(--gray-500)}
  .info-header .ih-right{text-align:right}
  .info-header .status-tag{
    display:inline-block;padding:5px 16px;border-radius:20px;font-size:.8rem;font-weight:700;
    background:rgba(16,185,129,.1);color:var(--green);border:1px solid rgba(16,185,129,.2);
    margin-bottom:8px;
  }
  .info-header .promo-badge-inline{
    display:inline-block;padding:5px 16px;border-radius:20px;font-size:.8rem;font-weight:700;
    background:rgba(239,68,68,.1);color:var(--red);border:1px solid rgba(239,68,68,.2);
    margin-bottom:8px;margin-left:6px;
  }
  .info-divider{border:none;border-top:1px solid var(--gray-200);margin:24px 0}

  /* Description */
  .info-desc h2{
    font-size:1.2rem;font-weight:700;color:var(--gray-900);margin-bottom:14px;
    padding-left:14px;border-left:3px solid var(--blue-500);
  }
  .info-desc p{font-size:.95rem;color:var(--gray-600);line-height:1.85;margin-bottom:16px}

  /* Specs Grid */
  .specs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
  .spec-item{
    display:flex;align-items:flex-start;gap:12px;padding:16px;
    background:var(--gray-50);border-radius:var(--radius-md);
  }
  .spec-item .spec-icon{
    width:40px;height:40px;border-radius:10px;background:var(--blue-50);
    display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;
  }
  .spec-item .spec-text h4{font-size:.85rem;font-weight:700;color:var(--gray-800)}
  .spec-item .spec-text span{font-size:.78rem;color:var(--gray-400)}

  /* Facilities */
  .facilities-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
  .facility-item{
    display:flex;align-items:center;gap:8px;padding:10px 14px;
    background:var(--blue-50);border-radius:var(--radius-md);font-size:.85rem;
    color:var(--gray-700);font-weight:500;
  }
  .facility-item .fi-dot{width:8px;height:8px;border-radius:50%;background:var(--blue-400);flex-shrink:0}

  /* Promo Banner */
  .promo-banner{
    background:linear-gradient(135deg,#fef2f2,#fee2e2);border:1px solid #fecaca;
    border-radius:var(--radius-lg);padding:20px 24px;margin-top:20px;
    display:flex;align-items:center;gap:16px;
  }
  .promo-banner .pb-icon{font-size:2rem}
  .promo-banner .pb-text h4{font-size:.95rem;font-weight:700;color:#991b1b;margin-bottom:4px}
  .promo-banner .pb-text p{font-size:.85rem;color:#b91c1c}

  /* ========== Sidebar ========== */
  .sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}

  .price-card{
    background:var(--white);border-radius:var(--radius-lg);padding:28px;
    box-shadow:var(--shadow-md);border:1px solid var(--gray-200);text-align:center;
  }
  .price-card .pc-label{font-size:.82rem;color:var(--gray-400);margin-bottom:4px}
  .price-card .pc-price{font-size:2.4rem;font-weight:800;color:var(--red)}
  .price-card .pc-price .unit{font-size:.9rem;font-weight:400;color:var(--gray-400);margin-left:4px}
  .price-card .pc-original{font-size:.88rem;color:var(--gray-400);text-decoration:line-through;margin-bottom:8px}
  .price-card .pc-save{
    display:inline-block;background:rgba(239,68,68,.1);color:var(--red);
    padding:3px 12px;border-radius:12px;font-size:.78rem;font-weight:700;margin-bottom:16px;
  }
  .price-card .pc-period{
    font-size:.8rem;color:var(--orange);margin-bottom:16px;display:flex;align-items:center;justify-content:center;gap:4px;
  }
  .pc-btn{
    display:block;text-align:center;padding:14px 0;border-radius:50px;font-size:1rem;font-weight:700;
    transition:var(--transition);cursor:pointer;border:none;width:100%;
  }
  .pc-btn-primary{
    background:linear-gradient(135deg,var(--red),#f87171);color:var(--white);
    box-shadow:0 4px 16px rgba(239,68,68,.25);
  }
  .pc-btn-primary:hover{box-shadow:0 6px 24px rgba(239,68,68,.35);transform:translateY(-2px)}
  .pc-btn-secondary{
    background:var(--white);color:var(--blue-500);border:2px solid var(--blue-200);margin-top:12px;
  }
  .pc-btn-secondary:hover{background:var(--blue-50);border-color:var(--blue-400)}
  .pc-contact{text-align:center;font-size:.82rem;color:var(--gray-400);margin-top:14px}

  .info-list-card{
    background:var(--white);border-radius:var(--radius-lg);padding:24px;
    box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);
  }
  .info-list-card h4{
    font-size:.95rem;font-weight:700;color:var(--gray-900);margin-bottom:14px;
    padding-bottom:10px;border-bottom:2px solid var(--blue-100);
    display:flex;align-items:center;gap:8px;
  }
  .info-list-card h4::before{content:'';width:4px;height:16px;background:var(--blue-500);border-radius:2px}
  .info-list{display:flex;flex-direction:column;gap:10px}
  .info-list li{display:flex;justify-content:space-between;font-size:.88rem;padding:6px 0;border-bottom:1px dashed var(--gray-100)}
  .info-list li .il-label{color:var(--gray-500)}
  .info-list li .il-value{color:var(--gray-800);font-weight:600}

  /* ========== Similar Spaces ========== */
  .similar-section{padding:0 0 70px}
  .section-header{
    display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;
  }
  .section-header h3{
    font-size:1.3rem;font-weight:800;color:var(--gray-900);
    padding-left:14px;border-left:3px solid var(--blue-500);
  }
  .section-header a{font-size:.9rem;color:var(--blue-500);font-weight:600;transition:var(--transition)}
  .section-header a:hover{color:var(--blue-600)}
  .similar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .similar-card{
    background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--gray-200);
  }
  .similar-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
  .similar-card .sc-img{
    height:150px;display:flex;align-items:center;justify-content:center;
    font-size:2.5rem;position:relative;
  }
  .similar-card .sc-img.si-1{background:linear-gradient(135deg,#e3f2fd,#bbdefb);color:var(--blue-300)}
  .similar-card .sc-img.si-2{background:linear-gradient(135deg,#e0f7fa,#b2ebf2);color:#4dd0e1}
  .similar-card .sc-img.si-3{background:linear-gradient(135deg,#f3e5f5,#e1bee7);color:#ce93d8}
  .sc-badge{
    position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:12px;
    font-size:.72rem;font-weight:700;color:var(--white);
  }
  .sc-badge.green{background:var(--green)}.sc-badge.red{background:var(--red)}
  .similar-card .sc-body{padding:16px}
  .similar-card .sc-body .sc-loc{font-size:.76rem;color:var(--gray-400);margin-bottom:4px}
  .similar-card .sc-body h5{font-size:.9rem;font-weight:700;color:var(--gray-800);margin-bottom:8px;line-height:1.4}
  .similar-card .sc-body .sc-price{font-size:1.05rem;font-weight:800;color:var(--blue-600)}

  /* ========== Footer ========== */
  .footer{background:var(--blue-900);color:rgba(255,255,255,.6);padding:60px 0 30px}
  .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
  .footer-brand h3{font-size:1.3rem;color:var(--white);margin-bottom:12px}
  .footer-brand p{font-size:.88rem;line-height:1.8;margin-bottom:16px}
  .footer-social{display:flex;gap:12px}
  .footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:var(--transition);font-size:.9rem}
  .footer-social a:hover{background:var(--blue-500);color:var(--white)}
  .footer-col h4{font-size:.95rem;color:var(--white);margin-bottom:18px;font-weight:700}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col ul li{font-size:.88rem}
  .footer-col ul li a{transition:var(--transition)}
  .footer-col ul li a:hover{color:var(--accent);padding-left:4px}
  .footer-bottom{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:.82rem}

  @media (max-width: 1024px){
    .detail-grid{grid-template-columns:1fr;gap:30px}
    .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
    .price-card,.info-list-card{flex:1;min-width:280px}
    .similar-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
    .facilities-grid{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width: 768px){
    .nav-links{
      position:fixed;top:68px;left:0;right:0;bottom:0;background:rgba(10,22,40,.97);
      flex-direction:column;align-items:stretch;padding:20px;gap:4px;
      transform:translateX(100%);transition:transform .35s ease;backdrop-filter:blur(16px);
    }
    .nav-links.open{transform:translateX(0)}
    .nav-links a{padding:14px 20px;font-size:1rem;border-radius:var(--radius-md)}
    .nav-toggle{display:flex}
    .gallery-main{height:260px;font-size:4rem}
    .info-header{flex-direction:column}
    .info-header .ih-right{text-align:left}
    .specs-grid{grid-template-columns:1fr 1fr}
    .facilities-grid{grid-template-columns:repeat(2,1fr)}
    .sidebar{flex-direction:column}
    .price-card,.info-list-card{min-width:auto}
    .similar-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:32px}
  }