:root{
      --bg:#f4f7fb;
      --surface:#ffffff;
      --surface-soft:#f9fbfd;
      --text:#142033;
      --muted:#667085;
      --line:#dbe4ee;
      --primary:#0f766e;
      --primary-dark:#0b5e58;
      --copper:#b87333;
      --copper-soft:#f6ede5;
      --success:#027a48;
      --success-soft:#ecfdf3;
      --warning:#9a3412;
      --shadow:0 16px 42px rgba(15, 23, 42, .07);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter, Arial, Helvetica, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(184,115,51,.05), transparent 20%),
        radial-gradient(circle at top right, rgba(15,118,110,.06), transparent 25%),
        linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
      line-height:1.65;
    }

    a{
      text-decoration:none;
      color:inherit;
    }

    .container{
      width:min(1220px, 92%);
      margin:auto;
    }
.site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,252,251,.92));
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(207,220,229,.9);
  box-shadow:0 10px 28px rgba(15,23,42,.06);
}

.site-header::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:2px;
      background:linear-gradient(90deg, rgba(184,115,51,.3), rgba(15,118,110,.45), rgba(184,115,51,.22));
      pointer-events:none;
    }

    .header-inner{
      min-height:88px;
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:20px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:max-content;
    }

    .brand-icon-wrap{
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:4px;
    }

    .brand-icon{
      width:50px;
      height:50px;
      border-radius:16px;
      position:relative;
      background:linear-gradient(145deg, #0b5e58 0%, #0f766e 52%, #12b981 100%);
      border:1px solid rgba(255,255,255,.32);
      box-shadow:
        0 10px 22px rgba(15,23,42,.2),
        inset 0 1px 0 rgba(255,255,255,.36);
      display:flex;
      align-items:center;
      justify-content:center;
    }

    .brand-icon::before{
      content:"";
      position:absolute;
      inset:5px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.38);
    }

    .brand-icon::after{
      content:"";
      position:absolute;
      left:8px;
      right:8px;
      top:8px;
      height:10px;
      border-radius:10px;
      background:linear-gradient(90deg, rgba(255,255,255,.42), rgba(255,255,255,.1));
      filter:blur(.2px);
      opacity:.9;
    }

    .brand-icon svg{
      width:20px;
      height:20px;
      color:#ffffff;
      z-index:1;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }

.brand-update{
      display:inline-flex;
      align-items:center;
      width:max-content;
      font-family:"Inter", "Segoe UI", Arial, sans-serif;
      font-size:8px;
      font-weight:800;
      letter-spacing:.06em;
      text-transform:uppercase;
      color:#0f766e;
      background:#ecfdf3;
      border:1px solid #a7f3d0;
      border-radius:999px;
      padding:2px 6px;
    }

    .brand-text .brand-update{
      display:none;
      margin-top:5px;
      margin-bottom:2px;
    }

    .brand-link{
      font-family:"Poppins", "Segoe UI", "Inter", Arial, sans-serif;
      font-size:21px;
      font-weight:800;
      letter-spacing:-.02em;
      background:linear-gradient(90deg, #0b5e58 0%, #12b981 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      text-decoration:none;
    }

    .brand-text small{
      font-family:"Inter", "Segoe UI", Arial, sans-serif;
      font-size:10.5px;
      font-weight:700;
      text-transform:uppercase;
      letter-spacing:.14em;
      color:#475467;
      margin-top:6px;
    }

    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:7px;
      border:1px solid rgba(207,220,229,.95);
      background:rgba(255,255,255,.92);
      border-radius:18px;
      box-shadow:
        0 6px 18px rgba(15,23,42,.05),
        inset 0 1px 0 rgba(255,255,255,.85);
      overflow:visible;
    }

    .nav-link{
      position:relative;
      padding:11px 14px;
      border-radius:12px;
      font-size:13px;
      font-weight:800;
      color:#344054;
      transition:.18s ease;
    }

    .nav-link:hover{
      color:#0f766e;
      background:#f7fbff;
      transform:translateY(-1px);
    }

    .nav-link.active{
      color:#0f766e;
      border:1px solid #b9e9dc;
      background:linear-gradient(180deg, #ffffff, #ecfbf6);
      box-shadow:
        0 6px 14px rgba(15,118,110,.1),
        inset 0 1px 0 rgba(255,255,255,.8);
    }

    .nav-link.active::after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:6px;
      height:3px;
      border-radius:999px;
      background:linear-gradient(90deg, #b87333, #0f766e);
      opacity:.95;
    }

    .nav-dropdown{
      position:relative;
      flex:0 0 auto;
    }

    .dropdown-toggle{
      background:transparent;
      border:0;
      cursor:pointer;
      font-family:inherit;
    }

    .dropdown-menu{
      position:absolute;
      top:calc(100% + 8px);
      left:0;
      min-width:210px;
      padding:8px;
      border:1px solid rgba(207,220,229,.95);
      border-radius:14px;
      background:#fff;
      box-shadow:0 18px 32px rgba(15,23,42,.14);
      display:grid;
      gap:4px;
      opacity:0;
      visibility:hidden;
      transform:translateY(6px);
      transition:.2s ease;
      z-index:20;
    }

    .dropdown-menu a{
      display:block;
      padding:10px 12px;
      border-radius:10px;
      font-size:14px;
      font-weight:600;
      color:#344054;
      white-space:nowrap;
    }

    .dropdown-menu a:hover{
      background:#f8fbff;
      color:#0f766e;
    }

    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown:focus-within .dropdown-menu{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }

    .header-actions{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
    }

    .header-btn{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 16px;
      border-radius:14px;
      font-size:14px;
      font-weight:800;
      transition:.2s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }

    .header-btn.secondary{
      background:linear-gradient(180deg, #ffffff, #f8fbff);
      color:#1f2937;
      border-color:#cfdcea;
      box-shadow:0 6px 14px rgba(15,23,42,.05);
    }

    .header-btn.secondary:hover{
      background:#f2f8ff;
      color:#0f766e;
      border-color:#9fd8d0;
    }

    .notify-btn{
      position:relative;
      width:42px;
      height:42px;
      border-radius:12px;
      border:1px solid #cfdcea;
      background:linear-gradient(180deg, #ffffff, #f8fbff);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      box-shadow:0 6px 14px rgba(15,23,42,.05);
    }

    .notify-btn:hover{
      border-color:#9fd8d0;
      background:#f2f8ff;
    }

    .notify-bell{
      font-size:16px;
      line-height:1;
    }

    .notify-dot{
      position:absolute;
      top:9px;
      right:9px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:#ef4444;
      border:1px solid #fff;
    }

    .notify-panel{
      position:absolute;
      top:calc(100% + 10px);
      right:0;
      width:min(320px, 88vw);
      border:1px solid #dbe4ee;
      border-radius:14px;
      background:#fff;
      box-shadow:0 16px 30px rgba(15,23,42,.12);
      padding:12px;
      display:none;
      z-index:1200;
    }

    .notify-panel.open{
      display:block;
    }

    .notify-title{
      margin:0 0 8px;
      font-size:13px;
      font-weight:800;
      color:#0f1728;
    }

    .notify-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:7px;
    }

    .notify-list li{
      border:1px solid #e5ecf3;
      border-radius:10px;
      background:#f9fbff;
      padding:8px 10px;
      font-size:12px;
      color:#475467;
      line-height:1.45;
    }

    .header-btn.primary{
      color:#fff;
      background:linear-gradient(135deg, #0f766e 0%, #0b5e58 100%);
      box-shadow:0 10px 24px rgba(15,118,110,.18);
    }

    .header-btn.primary:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 28px rgba(15,118,110,.22);
    }

    @media (max-width: 1024px){
      .header-inner{
        grid-template-columns:auto auto;
        justify-content:space-between;
      }

      .main-nav{
        display:flex;
      }
    }

@media (max-width: 767px){
  .site-header{
    background:rgba(255,255,255,.92);
  }

      .header-inner{
        min-height:76px;
        gap:14px;
}

      .brand-text small{
        display:none;
      }

      .header-actions{
        gap:8px;
      }

      .header-btn{
        min-height:40px;
        padding:0 12px;
        font-size:13px;
      }

      .header-btn.secondary{
        display:none;
      }
      .notify-btn{
        width:38px;
        height:38px;
      }
      .notify-panel{
        position:fixed;
        top:76px;
        left:50%;
        right:auto;
        transform:translateX(-50%);
        width:min(340px, calc(100vw - 20px));
        z-index:1200;
      }
    }
.hero{
      padding:34px 0 26px;
    }

    .breadcrumbs{
      margin-bottom:18px;
    }

    .breadcrumbs ol{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      list-style:none;
      margin:0;
      padding:9px 14px;
      border:1px solid var(--line);
      border-radius:12px;
      background:#fff;
      width:max-content;
      box-shadow:0 6px 18px rgba(15,23,42,.04);
    }

    .breadcrumbs li{
      display:flex;
      align-items:center;
      font-size:13px;
      color:var(--muted);
      font-weight:600;
    }

    .breadcrumbs li + li::before{
      content:">";
      margin:0 8px;
      color:#98a2b3;
      font-weight:700;
    }

    .breadcrumbs a{
      color:#475467;
      transition:.2s ease;
    }

    .breadcrumbs a:hover{
      color:#0f766e;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr;
      gap:22px;
    }

    .hero-main{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(184,115,51,.08), rgba(255,255,255,.96)),
        var(--surface);
      box-shadow:var(--shadow);
      padding:36px;
    }

    .hero-main::after{
      content:"";
      position:absolute;
      right:-90px;
      top:-80px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(184,115,51,.11), transparent 68%);
      pointer-events:none;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:var(--copper-soft);
      color:#8a5a2b;
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }

    h1{
      margin:0 0 14px;
      font-size:46px;
      line-height:1.06;
      letter-spacing:-1.4px;
      max-width:760px;
    }

    .hero-text{
      font-size:17px;
      color:var(--muted);
      max-width:760px;
      margin:0 0 24px;
    }

    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }

.meta-chip{
      background:rgba(255,255,255,.85);
      border:1px solid var(--line);
      border-radius:14px;
      padding:10px 14px;
      font-size:14px;
      font-weight:700;
      color:#334155;
    }

    .meta-chip.chip-highlight{
      border-color:#a6f4c5;
      background:#ecfdf3;
      color:#027a48;
    }

    .hero-side{
      display:grid;
      gap:18px;
    }

    .side-highlight,
    .notice-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:24px;
    }

    .side-title{
      font-size:14px;
      font-weight:700;
      color:var(--muted);
      margin-bottom:8px;
    }

    .side-price{
      font-size:38px;
      font-weight:900;
      line-height:1;
      letter-spacing:-1px;
      margin-bottom:10px;
    }

    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:var(--success-soft);
      color:var(--success);
      font-size:13px;
      font-weight:800;
    }

    .side-desc{
      font-size:14px;
      color:var(--muted);
      margin-top:12px;
    }

    .notice-card{
      background:linear-gradient(180deg, #fffaf4, #fff7ed);
      border-color:#f6cfa7;
      color:var(--warning);
      font-size:14px;
    }

    .notice-card-mobile{
      display:none;
    }

    .mobile-note-grid{
      display:none;
    }

    .layout{
      display:grid;
      grid-template-columns:minmax(0, 1fr);
      gap:0;
      padding:20px 0 70px;
    }

    .section{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:30px;
      margin-bottom:22px;
    }

.section h2{
      margin:0 0 12px;
      font-size:30px;
      line-height:1.15;
      letter-spacing:-.7px;
    }

    .section-icon{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:28px;
      height:28px;
      margin-right:8px;
      border-radius:10px;
      border:1px solid #dbe4ee;
      background:#f8fbff;
      font-size:14px;
      line-height:1;
      vertical-align:middle;
    }

    .section-icon.icon-guide{
      background:#effaf6;
      border-color:#b7e7d6;
    }

    .section-icon.icon-info{
      background:#eff6ff;
      border-color:#bfdbfe;
    }

    .section-icon.icon-faq{
      background:#fff7ed;
      border-color:#fed7aa;
    }

    .section-icon.icon-factors{
      background:#eefdf6;
      border-color:#bbf7d0;
    }

    .section-icon.icon-other{
      background:#f5f3ff;
      border-color:#ddd6fe;
    }

    .scroll-hint{
      display:none;
      margin-left:8px;
      font-size:12px;
      font-weight:700;
      color:#0f766e;
      white-space:nowrap;
      vertical-align:middle;
    }

    .scroll-icon{
      display:none;
      margin-left:8px;
      width:20px;
      height:20px;
      border-radius:999px;
      border:1px solid #a7f3d0;
      background:#ecfdf3;
      color:#0f766e;
      font-size:12px;
      font-weight:800;
      line-height:18px;
      text-align:center;
      vertical-align:middle;
    }

    .section p{
      margin:0 0 14px;
      color:#475467;
    }

    .anchor-nav{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }

    .anchor-nav a{
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:var(--surface-soft);
      font-size:14px;
      font-weight:700;
      color:#344054;
    }

    .anchor-nav a:hover{
      color:var(--primary);
      background:#fff;
      border-color:#c8d6e3;
    }

    .anchor-nav a.anchor-highlight{
      border-color:#a6f4c5;
      background:#ecfdf3;
      color:#027a48;
    }

    .popular-searches .category-actions{
      display:none;
      margin-top:12px;
    }

    .seo-block{
      border:1px solid #d7e3ef;
      border-radius:22px;
      background:
        radial-gradient(circle at 100% 0%, rgba(15,118,110,.08), transparent 34%),
        radial-gradient(circle at 0% 100%, rgba(184,115,51,.08), transparent 34%),
        linear-gradient(180deg, #ffffff, #f8fcff);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
    }

    .seo-block h2{
      margin-bottom:14px;
    }

    .seo-block p{
      margin-bottom:12px;
    }

    .seo-links{
      margin-top:14px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .seo-links a{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid #cfe3f3;
      background:#fff;
      font-size:13px;
      font-weight:700;
      color:#175cd3;
    }

    .seo-links a:hover{
      border-color:#b2ddff;
      background:#eff8ff;
    }

    .guide-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:14px;
    }

    .guide-card{
      border:1px solid #dbe4ee;
      border-radius:18px;
      background:#fbfdff;
      padding:16px 16px 14px;
    }

    .guide-accordion summary{
      list-style:none;
      cursor:pointer;
      margin:0;
      font-size:17px;
      font-weight:800;
      color:#1d2939;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:8px;
    }

    .guide-accordion summary::-webkit-details-marker{
      display:none;
    }

    .guide-accordion summary::after{
      content:"+";
      font-size:20px;
      line-height:1;
      color:#0f766e;
      font-weight:700;
    }

    .guide-accordion[open] summary::after{
      content:"−";
    }

    .guide-accordion ul{
      margin:0;
      padding-left:18px;
      color:#475467;
      font-size:14px;
      line-height:1.5;
      margin-top:10px;
    }

    .guide-accordion li + li{
      margin-top:5px;
    }

    .factory-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:12px;
    }

    .factory-grid a{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      min-height:54px;
      padding:12px 14px;
      border-radius:16px;
      background:#fbfdff;
      color:#22324a;
      font-size:15px;
      font-weight:700;
      letter-spacing:.01em;
      text-align:left;
      border:1px solid #d6e2ee;
      box-shadow:0 6px 16px rgba(15,23,42,.06);
      transition:.22s ease;
    }

    .factory-grid a::after{
      content:"→";
      color:#0f766e;
      font-size:16px;
      font-weight:800;
      margin-left:10px;
    }

    .factory-grid a:hover{
      transform:translateY(-2px);
      border-color:#bfd4e7;
      box-shadow:0 10px 24px rgba(15,23,42,.1);
      background:#ffffff;
      color:#0f172a;
    }

    .table-shell{
      margin-top:18px;
      border:1px solid var(--line);
      border-radius:18px;
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
      background:#fff;
    }

    table{
      width:100%;
      border-collapse:collapse;
      min-width:760px;
    }

    th, td{
      padding:17px 18px;
      border-bottom:1px solid #edf2f7;
      text-align:left;
      vertical-align:middle;
    }

    th{
      background:#f8fbff;
      color:#667085;
      font-size:13px;
      font-weight:800;
      text-transform:uppercase;
      letter-spacing:.04em;
    }

    td{
      font-size:15px;
    }

    tr:hover td{
      background:#fbfdff;
    }

    .type-name{
      font-weight:800;
      color:#101828;
    }

    .type-note{
      margin-top:6px;
      font-size:13px;
      line-height:1.5;
      color:#667085;
      font-weight:500;
    }

    .pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }

    .pill-up{
      color:var(--success);
      background:var(--success-soft);
    }

    .pill-neutral{
      color:#475467;
      background:#f2f4f7;
    }

    .price-chart{
      margin-top:18px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      padding:18px;
      display:grid;
      grid-template-columns:repeat(auto-fit, minmax(112px, 1fr));
      gap:14px 10px;
      align-items:end;
    }

    .price-chart-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:4px;
      grid-column:1 / -1;
    }

    .price-chart-title{
      margin:0;
      font-size:16px;
      font-weight:800;
      color:#101828;
    }

    .price-chart-scale{
      font-size:12px;
      color:#667085;
      font-weight:700;
      white-space:nowrap;
    }

    .price-chart-row{
      --bar-color:#0f766e;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      min-height:auto;
      padding:0;
      border:0;
      background:transparent;
    }

    .price-chart-label{
      order:3;
      font-size:12px;
      font-weight:800;
      color:#344054;
      text-align:center;
      line-height:1.35;
      max-width:100%;
      width:100%;
      min-height:34px;
      word-break:break-word;
      margin-top:6px;
    }

    .price-chart-label::before{
      content:"";
      display:inline-block;
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--bar-color);
      margin-right:6px;
      vertical-align:middle;
    }

    .price-chart-track{
      order:2;
      height:190px;
      width:24px;
      border-radius:999px;
      position:relative;
      background:linear-gradient(180deg, #f8fafc, #eef2f6);
      border:1px solid #e4e7ec;
      overflow:hidden;
    }

    .price-chart-range{
      position:absolute;
      left:2px;
      right:2px;
      bottom:var(--start);
      height:calc(var(--end) - var(--start));
      border-radius:999px;
      background:var(--bar-color);
      box-shadow:0 4px 10px rgba(15,23,42,.18);
    }

    .price-chart-value{
      order:1;
      font-size:12px;
      font-weight:800;
      color:#475467;
      text-align:center;
      white-space:nowrap;
    }

    .price-chart > .price-chart-row:nth-child(2){ --bar-color:#0f766e; }
    .price-chart > .price-chart-row:nth-child(3){ --bar-color:#0ea5a4; }
    .price-chart > .price-chart-row:nth-child(4){ --bar-color:#3b82f6; }
    .price-chart > .price-chart-row:nth-child(5){ --bar-color:#f59e0b; }
    .price-chart > .price-chart-row:nth-child(6){ --bar-color:#ef4444; }
    .price-chart > .price-chart-row:nth-child(7){ --bar-color:#8b5cf6; }

    .cards{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:18px;
    }

    .material-card{
      border:1px solid var(--line);
      border-radius:20px;
      background:linear-gradient(180deg, #fff, #fbfdff);
      padding:20px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }

    .material-card:hover{
      transform:translateY(-2px);
      box-shadow:0 12px 24px rgba(15,23,42,.05);
      border-color:#cad8e5;
    }

    .material-card h3{
      margin:0 0 8px;
      font-size:19px;
      letter-spacing:-.3px;
      color:#475467;
    }

    .material-card p{
      font-size:14px;
      color:var(--muted);
      min-height:48px;
    }

    .material-bottom{
      margin-top:14px;
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:12px;
    }

    .material-price{
      font-size:24px;
      font-weight:900;
      color:var(--primary-dark);
      letter-spacing:-.5px;
    }

    .material-tag{
      font-size:12px;
      font-weight:800;
      padding:7px 10px;
      border-radius:999px;
      background:#ecfdf3;
      color:#027a48;
      border:1px solid #a6f4c5;
    }

    .factor-list{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:18px;
    }

    .factor-list.factor-list-four{
      grid-template-columns:repeat(4,1fr);
    }

    .factor{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fcfdff;
      padding:18px;
    }

    .factor-head{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:6px;
    }

    .factor-icon{
      width:30px;
      height:30px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:13px;
      font-weight:900;
      border:1px solid #dbe4ee;
      color:#0f766e;
      background:#effaf8;
      flex:0 0 auto;
    }

    .factor-icon svg{
      width:16px;
      height:16px;
      display:block;
    }

    .factor.purity .factor-icon{ background:#ecfdf3; border-color:#a6f4c5; color:#027a48; }
    .factor.type .factor-icon{ background:#eff8ff; border-color:#b2ddff; color:#175cd3; }
    .factor.condition .factor-icon{ background:#fff7ed; border-color:#fddcab; color:#c4320a; }
    .factor.amount .factor-icon{ background:#f4f3ff; border-color:#d9d6fe; color:#5925dc; }
    .factor.market .factor-icon{ background:#f5f8ff; border-color:#c7d7fe; color:#1849a9; }
    .factor.trend .factor-icon{ background:#f0f9ff; border-color:#b9e6fe; color:#026aa2; }

    .factor strong{
      font-size:16px;
      color:#101828;
      margin:0;
    }

    .info-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:16px;
    }

    .info-box{
      border:1px solid var(--line);
      border-radius:18px;
      padding:16px 18px;
      background:#fbfdff;
    }

    .info-box strong{
      display:block;
      margin-bottom:6px;
    }

    .summary-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:16px;
    }

.summary-card{
  position:relative;
  border:1px solid #d7e3ef;
  border-radius:20px;
      background:
        radial-gradient(circle at 85% 0%, rgba(15,118,110,.12), transparent 35%),
        radial-gradient(circle at 0% 100%, rgba(184,115,51,.10), transparent 32%),
        linear-gradient(180deg,#ffffff,#f8fcff);
  padding:18px 16px 14px;
  box-shadow:0 10px 26px rgba(15,23,42,.06);
  overflow:hidden;
  transition:.2s ease;
}

.summary-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:linear-gradient(90deg, #0f766e, #b87333);
  opacity:.9;
}

.summary-icon{
  width:42px;
  height:42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#0f766e;
  background:#ecfdf3;
  border:1px solid #abefc6;
  box-shadow:0 8px 18px rgba(16,24,40,.08);
  margin-bottom:10px;
}

.summary-icon svg{
  width:20px;
  height:20px;
  display:block;
}

.summary-card--types .summary-icon{
  color:#b54708;
  background:#fff6ed;
  border-color:#fedf89;
}

.summary-card--unit .summary-icon{
  color:#175cd3;
  background:#eff8ff;
  border-color:#b2ddff;
}

.summary-card--city .summary-icon{
  color:#026aa2;
  background:#f0f9ff;
  border-color:#b9e6fe;
}

.summary-label{
  margin:0;
  color:#667085;
      font-size:12px;
      font-weight:700;
      letter-spacing:.2px;
    }

    .summary-value{
      margin:4px 0 2px;
      font-size:30px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.8px;
      color:#0f172a;
    }

    .summary-text{
      margin:0;
      color:#475467;
      font-size:13px;
      line-height:1.35;
    }

    .summary-card:hover{
      transform:translateY(-2px);
      border-color:#bfd3e4;
      box-shadow:0 14px 30px rgba(15,23,42,.1);
    }

    .dealer-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:16px;
    }

    .dealer-card{
      border:1px solid var(--line);
      border-radius:20px;
      background:
        radial-gradient(circle at 100% 0%, rgba(15,118,110,.10), transparent 34%),
        radial-gradient(circle at 0% 100%, rgba(184,115,51,.10), transparent 30%),
        linear-gradient(180deg, #ffffff, #f7fbff);
      padding:16px;
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      min-height:236px;
      display:flex;
      flex-direction:column;
    }

    .dealer-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
    }

    .dealer-rating{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }

    .dealer-review{
      font-size:12px;
      font-weight:700;
      color:#667085;
    }

    .dealer-head strong{
      color:#101828;
      font-size:17px;
      line-height:1.3;
    }

    .dealer-meta{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:5px;
      color:#475467;
      font-size:14px;
      flex:1;
    }

    .dealer-meta span{
      color:#101828;
      font-weight:700;
      margin-right:6px;
    }

    .dealer-actions{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }

    .dealer-actions .header-btn.secondary{
      min-height:36px;
      padding:0 14px;
    }

    .category-links{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:18px;
    }

    .category-search-wrap{
      margin-top:14px;
    }

    .category-search{
      width:100%;
      min-height:46px;
      border:1px solid var(--line);
      border-radius:14px;
      padding:0 14px;
      font-size:14px;
      color:#101828;
      background:#fff;
      outline:none;
    }

    .category-search:focus{
      border-color:#9fd8d0;
      box-shadow:0 0 0 3px rgba(15,118,110,.12);
    }

    .category-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:16px 18px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fcfdff;
      font-weight:700;
      color:#1f2937;
      transition:.18s ease;
    }

    .category-links a:hover{
      border-color:#c9d8e6;
      color:var(--primary);
      background:#fff;
      transform:translateY(-1px);
    }

    .category-links a.category-extra{
      display:none;
    }

    .category-links a.category-extra.category-extra-open{
      display:flex;
    }

    .category-actions{
      margin-top:12px;
      display:flex;
      justify-content:center;
    }

    .coming-box{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      flex-wrap:wrap;
      border:1px solid var(--line);
      border-radius:24px;
      padding:28px;
      background:
        linear-gradient(135deg, rgba(15,118,110,.08), rgba(255,255,255,.96)),
        #fff;
    }

    .coming-box h2,
    .coming-box h3{
      margin:0 0 8px;
      font-size:28px;
      letter-spacing:-.6px;
    }

    .coming-box p{
      margin:0;
      color:var(--muted);
      max-width:720px;
    }

    .coming-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 16px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      background:#fff;
      border:1px solid var(--line);
      color:#344054;
    }

    .sidebar-sticky{
      position:sticky;
      top:96px;
      display:grid;
      gap:18px;
    }

    .side-box{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow);
      padding:22px;
    }

    .side-box h3{
      margin:0 0 14px;
      font-size:18px;
      letter-spacing:-.3px;
    }

    .trust-list,
    .mini-links{
      display:grid;
      gap:10px;
    }

    .mini-links a,
    .trust-item{
      border:1px solid var(--line);
      border-radius:14px;
      background:#fbfdff;
      padding:12px 14px;
    }

    .mini-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      font-size:14px;
      font-weight:700;
      color:#334155;
    }

    .mini-links a:hover{
      color:var(--primary);
      background:#fff;
      border-color:#c9d8e6;
    }

    .trust-item{
      font-size:14px;
      color:#475467;
    }

    .coming-small{
      border:1px dashed #cbd5e1;
      border-radius:16px;
      padding:14px;
      background:#fcfdff;
      color:#475467;
      font-size:14px;
    }

    .footer{
      position:relative;
      background:
        radial-gradient(circle at 8% 15%, rgba(15,118,110,.08), transparent 30%),
        radial-gradient(circle at 92% 12%, rgba(184,115,51,.08), transparent 28%),
        linear-gradient(180deg, #ffffff, #f7fbff);
      border-top:1px solid #d7e2ee;
      padding:30px 0 14px;
      overflow:hidden;
    }

    .footer::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:2px;
      background:linear-gradient(90deg, rgba(184,115,51,.25), rgba(15,118,110,.45), rgba(184,115,51,.2));
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
      position:relative;
      z-index:1;
    }

    .footer-title{
      margin:0 0 10px;
      font-size:15px;
      font-weight:800;
      letter-spacing:-.2px;
      color:#0f766e;
    }

    .footer p,
    .footer a{
      color:#526074;
      font-size:13px;
    }

    .footer-links{
      display:grid;
      gap:3px;
    }

    .footer-links a{
      display:inline-flex;
      width:max-content;
      align-items:center;
      gap:6px;
      padding:2px 0;
      border-bottom:1px dashed transparent;
      transition:.18s ease;
    }

    .footer-links a:hover{
      color:#0f766e;
      border-bottom-color:#9fd8d0;
      transform:translateX(2px);
    }

    .footer-meta{
      margin-top:14px;
      padding-top:10px;
      border-top:1px solid #dbe4ee;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:#667085;
      font-size:11px;
    }

    /* Notebook */
    @media (max-width:1280px){
      .container{
        width:min(1160px, 94%);
      }
      .header-inner{
        gap:16px;
      }
      .main-nav{
        gap:6px;
      }
      .nav-link{
        padding:10px 12px;
        font-size:13px;
      }
      .hero-grid{
        grid-template-columns:1.15fr .85fr;
      }
      .cards{
        grid-template-columns:repeat(2,1fr);
      }
      .factory-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .category-links{
        grid-template-columns:repeat(3,1fr);
      }
      .factor-list{
        grid-template-columns:repeat(2,1fr);
      }
      .price-chart-row{
        min-height:auto;
      }
    }

    /* Tablet */
    @media (max-width:1024px){
      .container{
        width:min(980px, 94%);
      }
      .site-header{
        position:static;
      }
      .header-inner{
        grid-template-columns:1fr auto;
        min-height:74px;
        row-gap:10px;
      }
      .main-nav{
        display:flex;
        grid-column:1 / -1;
        order:3;
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        scrollbar-width:none;
        padding:6px 4px;
      }
      .main-nav::-webkit-scrollbar{
        display:none;
      }
      .nav-link{
        padding:10px 12px;
        font-size:13px;
        white-space:nowrap;
      }
      .nav-dropdown{
        display:flex;
        align-items:center;
        gap:6px;
      }
      .dropdown-toggle{
        display:none;
      }
      .dropdown-menu{
        position:static;
        min-width:auto;
        padding:0;
        border:0;
        background:transparent;
        box-shadow:none;
        display:flex;
        gap:6px;
        opacity:1;
        visibility:visible;
        transform:none;
      }
      .dropdown-menu a{
        border:1px solid var(--line);
        background:#fff;
        border-radius:12px;
        padding:10px 12px;
        font-size:13px;
      }
      .hero{
        padding:24px 0 18px;
      }
      .hero-grid{
        grid-template-columns:1fr;
      }
      h1{
        font-size:40px;
      }
      .side-price{
        font-size:34px;
      }
      .section{
        padding:24px;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }

      .cards,
      .info-list,
      .dealer-list,
      .category-links{
        display:flex;
        overflow-x:auto;
        gap:12px;
        padding-bottom:6px;
        scroll-snap-type:x mandatory;
        -webkit-overflow-scrolling:touch;
      }

      .cards::-webkit-scrollbar,
      .info-list::-webkit-scrollbar,
      .dealer-list::-webkit-scrollbar,
      .category-links::-webkit-scrollbar{
        height:8px;
      }

      .cards .material-card{
        flex:0 0 300px;
        min-width:300px;
        scroll-snap-align:start;
      }

      .info-list .info-box{
        flex:0 0 300px;
        min-width:300px;
        scroll-snap-align:start;
      }

      .dealer-list .dealer-card{
        flex:0 0 340px;
        min-width:340px;
        scroll-snap-align:start;
      }

      .category-links a{
        flex:0 0 270px;
        min-width:270px;
        scroll-snap-align:start;
      }
      .scroll-hint{
        display:inline-flex;
      }
      .scroll-icon{
        display:inline-block;
      }

      .table-shell table{
        min-width:0;
      }

      .table-shell th:nth-child(3),
      .table-shell th:nth-child(4),
      .table-shell td:nth-child(3),
      .table-shell td:nth-child(4){
        display:none;
      }

      .table-shell th:nth-child(1),
      .table-shell td:nth-child(1){
        width:62%;
      }

      .table-shell th:nth-child(2),
      .table-shell td:nth-child(2){
        width:38%;
        white-space:nowrap;
      }

    }

    /* Mobile */
    @media (max-width:767px){
      html, body{
        overflow-x:hidden;
      }
      .site-header{
        position:sticky;
        top:0;
        z-index:1300;
        padding-top:6px;
      }
      .container{
        width:94%;
        max-width:100%;
      }
      body{
        font-size:15px;
        line-height:1.6;
      }
      .header-inner{
        display:flex;
        flex-wrap:wrap;
        justify-content:space-between;
        align-items:center;
        gap:10px 12px;
        min-height:auto;
        padding-top:10px;
        padding-bottom:12px;
      }
      .brand{
        flex:1 1 auto;
        min-width:0;
        justify-content:flex-start;
      }
      .brand-icon-wrap .brand-update{
        display:none;
      }
      .brand-text .brand-update{
        display:inline-flex;
      }
      .header-actions{
        display:flex;
        flex:0 0 auto;
        justify-content:flex-end;
      }
      .brand-text small{
        display:none;
      }
      .header-btn{
        min-height:38px;
        padding:0 11px;
        font-size:12px;
      }
      .main-nav{
        order:3;
        flex:1 0 100%;
        width:100%;
        border-radius:14px;
        gap:6px;
        max-width:100%;
        overflow-x:auto;
        scrollbar-width:none;
        padding:6px 4px;
      }
      .main-nav::-webkit-scrollbar{
        display:none;
      }
      .nav-link,
      .dropdown-menu a{
        padding:9px 11px;
        font-size:12px;
      }
      .breadcrumbs ol{
        width:100%;
      }
      .hero-main{
        padding:22px;
        border-radius:24px;
      }
      h1{
        font-size:32px;
        line-height:1.1;
      }
      .section h2{
        font-size:24px;
        line-height:1.2;
        letter-spacing:-.4px;
      }
      .material-card h3{
        font-size:18px;
      }
      .hero-text{
        font-size:15px;
      }
      .section p,
      .type-note,
      .factor,
      .info-box,
      td{
        font-size:14px;
      }
      .type-note{
        display:none;
      }
      th{
        font-size:12px;
      }
      .type-name{
        font-size:15px;
      }
      .anchor-nav a{
        font-size:13px;
      }
      .meta-chip{
        font-size:13px;
      }
      .price-chart-title{
        font-size:15px;
      }
      .price-chart-scale{
        font-size:11px;
      }
      .price-chart-label{
        font-size:13px;
      }
      .price-chart-value{
        font-size:12px;
      }
      .side-highlight,
      .notice-card,
      .section{
        padding:20px;
      }
      .hero-side .notice-card{
        display:none;
      }
      .notice-card-mobile{
        display:block;
      }
      .mobile-note-grid{
        display:grid;
      }
      th, td{
        padding:12px 10px;
      }
      .price-chart{
        padding:14px;
        grid-template-columns:repeat(5, minmax(78px, 1fr));
        gap:10px 8px;
        overflow-x:auto;
        -webkit-overflow-scrolling:touch;
      }
      .price-chart-head{
        align-items:flex-start;
        flex-direction:column;
        position:sticky;
        left:0;
        min-width:100%;
      }
      .price-chart-row{
        min-height:auto;
        min-width:78px;
        gap:5px;
      }
      .price-chart-track{
        height:132px;
        width:18px;
      }
      .price-chart-label{
        font-size:11px;
        line-height:1.25;
        min-height:30px;
      }
      .price-chart-value{
        font-size:11px;
        text-align:center;
      }
      .cards,
      .factor-list,
      .guide-grid,
      .info-list,
      .dealer-list,
      .category-links,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
        grid-template-areas:
          "about about"
          "cats corp";
      }
      .footer-grid > div:nth-child(1){
        grid-area:about;
      }
      .footer-grid > div:nth-child(2){
        grid-area:cats;
      }
      .footer-grid > div:nth-child(3){
        grid-area:corp;
      }
      .footer-meta{
        flex-direction:column;
        align-items:flex-start;
      }
      .coming-box{
        padding:20px;
      }
      .coming-box h2{
        font-size:24px;
      }
      .footer-title{
        font-size:14px;
      }
      .footer p,
      .footer a{
        font-size:12.5px;
      }
    }

    /* Small phones */
    @media (max-width:480px){
      .brand-icon{
        width:40px;
        height:40px;
      }
      .brand-icon svg{
        width:18px;
        height:18px;
      }
      .brand-link{
        font-size:17px;
      }
      h1{
        font-size:28px;
      }
      .section h2{
        font-size:22px;
      }
      .material-card h3{
        font-size:17px;
      }
      .section p,
      .type-note,
      .factor,
      .info-box,
      td{
        font-size:13px;
      }
      .type-name{
        font-size:14px;
      }
      .status-badge{
        font-size:12px;
      }
      .side-price{
        font-size:30px;
      }
      .anchor-nav a{
        width:100%;
        text-align:center;
      }
      .factory-grid{
        grid-template-columns:1fr;
      }
      .factory-grid a{
        font-size:17px;
      }
      .hero-meta{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:8px;
      }
      .hero-meta .meta-chip:first-child{
        grid-column:1 / -1;
      }
      .meta-chip{
        min-width:0;
        text-align:center;
        padding:8px 10px;
        font-size:12px;
        line-height:1.25;
      }
      .popular-searches .search-extra{
        display:none;
      }
      .popular-searches.expanded .search-extra{
        display:inline-flex;
      }
      .popular-searches .category-actions{
        display:flex;
      }
    }

.to-top-btn{
  position:fixed;
  right:20px;
  bottom:20px;
  width:46px;
  height:46px;
  border:1px solid #cfe2dc;
  border-radius:14px;
  background:linear-gradient(180deg,#0f766e,#0b5e58);
  color:#fff;
  font-size:22px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 24px rgba(15,118,110,.25);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:999;
}

.to-top-btn.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.to-top-btn:hover{
  transform:translateY(-1px);
}

@media (max-width:767px){
  .to-top-btn{
    right:14px;
    bottom:14px;
    width:42px;
    height:42px;
    border-radius:12px;
    font-size:20px;
  }
}