/* Stock navigation only. Keep legacy detail, checkout and design styles intact. */
#fz-site-header .fz-header-inner{position:relative}
#fz-site-header .fz-stock-nav{position:static}
#fz-site-header .fz-stock-nav>summary{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:9px 0;color:#173951;font:500 15px/26px "Microsoft YaHei","PingFang SC",Arial,sans-serif}
#fz-site-header .fz-stock-nav>summary svg{width:12px;height:12px;transition:transform .18s}
#fz-site-header .fz-stock-nav[open]>summary,#fz-site-header .fz-stock-nav>summary[aria-current=page]{color:#b5412d}
#fz-site-header .fz-stock-nav[open]>summary svg{transform:rotate(180deg)}
#fz-site-header .fz-stock-panel{position:absolute;top:100%;left:0;right:0;z-index:135;max-height:calc(100dvh - 160px);overflow:auto;overscroll-behavior:contain;background:#fff;border:1px solid #e0e5e7;border-top:3px solid #c44932;border-radius:0 0 12px 12px;box-shadow:0 22px 46px #17395124;white-space:normal}
#fz-site-header .fz-stock-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 26px;border-bottom:1px solid #e8ecee;background:#fafbf9}
#fz-site-header .fz-stock-title{display:flex;align-items:baseline;gap:14px}
#fz-site-header .fz-stock-title strong{font-size:20px;line-height:1.5;color:#173951}
#fz-site-header .fz-stock-title span{font-size:13px;color:#526775}
#fz-site-header .fz-stock-all{display:inline-flex;align-items:center;gap:14px;font-size:13px;line-height:24px;font-weight:600;color:#a53a28}
#fz-site-header .fz-stock-columns{display:grid;grid-template-columns:1.05fr 1.12fr 1.4fr 1fr .95fr;gap:0;padding:24px 14px 22px}
#fz-site-header .fz-stock-col{min-width:0;padding:0 18px;border-right:1px solid #edf0f1}
#fz-site-header .fz-stock-col:last-child{border:0}
#fz-site-header .fz-stock-col h2{display:flex;align-items:center;gap:9px;margin:0 0 16px;padding:0;color:#173951;font:700 16px/1.5 "Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:0}
#fz-site-header .fz-stock-col h2:before{content:"";display:block;width:3px;height:15px;border-radius:2px;background:#c44932}
#fz-site-header .fz-stock-section{margin:0 0 15px;padding:0}
#fz-site-header .fz-stock-section:last-child{margin-bottom:0}
#fz-site-header a.fz-stock-section-title{display:inline-flex;align-items:center;gap:6px;min-height:27px;padding:0;margin:0 0 3px;font-size:14px;line-height:23px;font-weight:700;color:#203f52}
#fz-site-header .fz-stock-links{display:flex;flex-wrap:wrap;align-items:center;column-gap:13px;row-gap:1px}
#fz-site-header .fz-stock-links a{display:inline-block;min-height:28px;padding:3px 0;font-size:13px;font-weight:400;line-height:22px;color:#405b6c}
#fz-site-header .fz-stock-section-title:hover,#fz-site-header .fz-stock-links a:hover{color:#b5412d;text-decoration:underline;text-underline-offset:4px}
#fz-site-header .fz-stock-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 26px;background:#f6f8f7;border-top:1px solid #e6ece8;font-size:12px;color:#425e6c}
#fz-site-header .fz-stock-bottom a{font-weight:600;color:#204f42}
#fz-site-header .fz-stock-mobile{grid-column:1/-1;border-top:1px solid #e4e9eb;margin-top:5px;padding-top:6px}
#fz-site-header .fz-stock-mobile-toggle,#fz-site-header .fz-stock-group-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:46px;margin:0;padding:10px 12px;border:0;border-radius:5px;background:#f5f7f7;color:#173951;text-align:left;cursor:pointer;font:600 14px/24px "Microsoft YaHei","PingFang SC",Arial,sans-serif}
#fz-site-header .fz-stock-mobile-toggle span:last-child,#fz-site-header .fz-stock-group-toggle span:last-child{font-size:18px;font-weight:400}
#fz-site-header .fz-stock-mobile-content[hidden],#fz-site-header .fz-stock-group-content[hidden]{display:none!important}
#fz-site-header .fz-stock-mobile-content{padding:5px 0}
#fz-site-header .fz-stock-mobile-content>a{font-weight:600;color:#a53a28}
#fz-site-header .fz-stock-group{border-top:1px solid #e8ecee}
#fz-site-header .fz-stock-group-toggle{background:#fff}
#fz-site-header .fz-stock-group-content{padding:3px 12px 14px}
#fz-site-header .fz-stock-group-content .fz-stock-links a{min-height:42px;padding:10px 0;line-height:22px}
#fz-site-header .fz-stock-group-content .fz-stock-section{margin-bottom:12px}
#fz-site-header .fz-stock-group-content .fz-stock-section-title{min-height:40px;margin:0;padding:8px 0}
#fz-site-header .fz-stock-mobile-content .fz-stock-section-title:hover{background:none}
#fz-site-header .fz-stock-mobile button:focus-visible{outline:3px solid #cba269;outline-offset:1px}
@media(max-width:1080px){#fz-site-header .fz-stock-nav>summary{font-size:14px}#fz-site-header .fz-stock-col{padding:0 12px}#fz-site-header .fz-stock-title span{display:none}}
@media(prefers-reduced-motion:reduce){#fz-site-header .fz-stock-nav>summary svg{transition:none}}