/* ======= 顶部导航栏（内联，后续可抽离到 style.css） ======= */
:root{
  --nav-red:#D8402A;
  --nav-red-deep:#AE2B16;
  --nav-red-soft:#FDEDE6;
  --nav-ink:#241A12;
  --nav-ink-2:#6E5D4E;
  --nav-line:#E9DED2;
}
/* 顶部信息栏 */
.top-bar{background:var(--nav-ink);color:#fff;font-size:12px;padding:8px 0;font-family:'Inter',Arial,Helvetica,sans-serif}
.top-bar-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;justify-content:space-between;align-items:center}
.top-bar-left{display:flex;gap:24px;align-items:center}
.top-bar a{color:#fff;text-decoration:none;opacity:.85;transition:opacity .15s;display:inline-flex;align-items:center;gap:6px;line-height:normal}
.top-bar a:hover{opacity:1}
.top-bar-right{display:flex;gap:16px;align-items:center}
.top-bar-right a{opacity:.6}
  .top-bar-right a:hover{opacity:1}
.top-bar svg{width:14px;height:14px}
/* 主导航 */
.main-nav{background:#fff;border-bottom:1px solid var(--nav-line);position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(168,72,38,.04);font-family:'Inter',Arial,Helvetica,sans-serif}
.main-nav-inner{max-width:1650px;margin:0 auto;padding:0 70px;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-icon{width:36px;height:36px;flex:none}
.logo-text{line-height:1.1;font-size:16px;font-weight:700;color:var(--nav-ink)}
.logo-text small{display:block;font-size:10px;font-weight:600;color:var(--nav-ink-2);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu-item{position:relative}
.menu-link{display:flex;align-items:center;gap:5px;padding:8px 14px;font-size:15px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:color .15s,background .15s;cursor:pointer}
.menu-link:hover,.menu-item:hover>.menu-link{color:var(--nav-red);background:var(--nav-red-soft)}
.menu-link.active{color:var(--nav-red)}
.menu-arrow{width:10px;height:10px;transition:transform .2s}
.menu-item:hover>.menu-link .menu-arrow{transform:rotate(180deg)}
/* 下拉菜单 */
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;background:#fff;border:1px solid var(--nav-line);border-radius:12px;box-shadow:0 12px 32px rgba(36,26,18,.1);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s,transform .18s,visibility .18s;list-style:none}
.menu-item:hover>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--nav-ink);text-decoration:none;border-radius:8px;transition:background .12s,color .12s;white-space:nowrap}
.dropdown li a:hover{background:var(--nav-red-soft);color:var(--nav-red)}
.dropdown.products{min-width:260px;max-height:480px;overflow-y:auto}
/* CTA 按钮 */
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--nav-red);color:#fff;font-size:14px;font-weight:700;text-decoration:none;border-radius:100px;transition:background .15s,transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(216,64,42,.25)}
.cta-btn:hover{background:var(--nav-red-deep);transform:translateY(-1px);box-shadow:0 6px 20px rgba(216,64,42,.35)}
.cta-btn svg{width:16px;height:16px}
/* 移动端汉堡 */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.hamburger span{display:block;width:24px;height:2px;background:var(--nav-ink);border-radius:1px;transition:.2s}
@media (max-width:1024px){
  .menu{gap:0}
  .menu-link{padding:8px 10px;font-size:13px}
  .top-bar-left{gap:14px;font-size:11px}
  .top-bar-inner{padding:0 30px}
  .main-nav-inner{padding:0 30px}
}
@media (max-width:768px){
  .top-bar-inner{flex-direction:column;gap:6px}
  .top-bar-left{flex-wrap:wrap;justify-content:center}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--nav-line);flex-direction:column;padding:12px 24px 24px;gap:0;box-shadow:0 8px 24px rgba(36,26,18,.08)}
  .menu.open{display:flex}
  .menu-item{width:100%}
  .menu-link{width:100%;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--nav-line);border-radius:0}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px;display:none}
  .menu-item.open>.dropdown{display:block}
  .hamburger{display:flex}
  .cta-btn{padding:10px 18px;font-size:12px}
  .main-nav-inner{height:60px}
}

/* 参考分类页风格的可折叠详情填写框 */
.category-details{position:relative;margin:0 0 38px;border-radius:6px;box-shadow:0 1px 3px rgba(60,40,30,.04);overflow:visible}
.category-details-summary{display:flex;align-items:stretch;justify-content:space-between;gap:24px;cursor:pointer;background:transparent;list-style:none;transition:color .2s}
.category-details-summary::-webkit-details-marker{display:none}
.category-details-summary:hover .category-details-more{color:#8e2f1c}
.category-details-summary:hover .category-details-more svg{transform:translateX(4px)}
.category-details-summary:focus-visible{outline:2px solid #a8432c;outline-offset:5px}
.category-details-summary-copy{flex:1;min-width:0}
.category-details-eyebrow{display:block;margin:0 0 9px;color:#a8432c;font-size:16px;font-weight:600;letter-spacing:0;text-transform:uppercase}
.category-details-eyebrow::before{display:none}
.category-details-title{display:block;margin:0;font-size:32px;line-height:1.25;color:#3a2e28;text-transform:capitalize;}
.category-details-more{display:flex;align-items:center;gap:12px;flex:none;margin-top:44px;padding:0 20px 0 48px;color:#a8432c;font-size:18px;font-weight:600;line-height:1.6;white-space:nowrap;transition:color .2s}
.category-details-more svg{width:20px;height:20px;transition:transform .2s}
.category-details-more-open,.category-details[open] .category-details-more-closed{display:none}
.category-details[open] .category-details-more-open{display:inline}
.category-details-chevron{position:absolute;top:22px;right:28px;width:34px;height:34px;border:1px solid #e6ddd4;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(60,40,30,.08)}
.category-details-chevron::after{content:"";position:absolute;left:50%;top:45%;width:8px;height:8px;border-right:2px solid #3a2e28;border-bottom:2px solid #3a2e28;transform:translate(-50%,-50%) rotate(45deg);transition:transform .2s}
.category-details[open] { margin: 0;}
.category-details[open] .category-details-chevron::after{top:55%;transform:translate(-50%,-50%) rotate(225deg)}
.category-details-body{padding:24px 0 4px;background:transparent}
.category-details-label{display:block;margin-bottom:8px;color:var(--fontcolor);font-size:14px;font-weight:600}
.category-details-textarea{display:block;width:100%;min-height:220px;padding:14px 16px;border:1px solid #d8e4dc;border-radius:2px;background:#fff;color:var(--fontcolor);font:400 15px/1.9 inherit;resize:vertical;outline:none;transition:border-color .2s,box-shadow .2s}
.category-details-textarea::placeholder{color:#9aa69d}
.category-details-textarea:focus{border-color:var(--color);box-shadow:0 0 0 3px var(--color-soft)}
.category-details-hint{margin-top:8px;color:#7d8980;font-size:12px}
@media (max-width:768px){
  .category-details{margin-bottom:28px;padding:20px 18px}
  .category-details-summary{flex-direction:column;gap:14px;padding-right:44px}
  .category-details-eyebrow{font-size:14px}
  .category-details-title{font-size:24px}
  .category-details-more{margin-top:0;padding:0;border-left:0;font-size:15px}
  .category-details-chevron{top:18px;right:16px}
  .category-details-body{padding:18px 0 22px}
  .category-details-textarea{min-height:160px}
}
@media (prefers-reduced-motion:reduce){
  .category-details-chevron::after,.category-details-summary,.category-details-more,.category-details-more svg,.category-details-textarea{transition:none}
}