/* weixian-huaxue.css — 危化警示风：警示橙黄、标签式、左上圆环 */

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:#fffbf2}

.sec-head{margin-bottom:34px;position:relative;padding-left:24px;border-left:6px solid #e67e22}
.sec-head h2{font-size:29px;line-height:1.3;margin:0 0 8px;color:#8b4513;font-weight:800}
.sec-head h2 b{color:#e67e22}
.sec-sub{margin:0;font-size:14.5px;color:#7a6a5a;line-height:1.8}
.t-en{display:block;font-size:11px;letter-spacing:3px;color:#e67e22;font-weight:700;margin-bottom:6px}

.table-box{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:14.5px}
.tbl th{background:#e67e22;color:#fff;padding:12px 14px;text-align:left;font-weight:700}
.tbl td{padding:12px 14px;border-bottom:1px solid #f5e6d0;line-height:1.7}
.tbl tr:hover td{background:#fff8ee}

.acc{border:2px solid #f0d9b5;border-radius:10px;overflow:hidden;background:#fff}
.acc-item{border-bottom:1px solid #f5e6d0}
.acc-item:last-child{border-bottom:none}
.acc-head{width:100%;padding:16px 22px;text-align:left;background:#fff;border:none;font-size:15px;font-weight:700;color:#8b4513;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.acc-head:hover{background:#fff8ee}
.acc-ic{width:20px;height:20px;position:relative;flex-shrink:0}
.acc-ic::before,.acc-ic::after{content:'';position:absolute;background:#e67e22;transition:transform .3s}
.acc-ic::before{left:0;right:0;top:9px;height:2px}
.acc-ic::after{left:9px;top:0;bottom:0;width:2px}
.acc-item.open .acc-ic::after{transform:scaleY(0)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.open .acc-body{max-height:800px}
.acc-body-inner{padding:0 22px 16px;font-size:14.5px;line-height:1.9;color:#5a4a3a}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;text-decoration:none;font-weight:700;font-size:15px}
.btn-solid{background:#e67e22;color:#fff}
.btn-white{background:#fff;color:#e67e22;border:2px solid #e67e22}
.btn-lg{padding:14px 36px;font-size:16px}

.ring{position:absolute;border-radius:50%;border:2px solid rgba(230,126,34,.06);pointer-events:none}
.ring-a{width:500px;height:500px;top:-200px;left:-150px}
.ring-b{width:400px;height:400px;bottom:-150px;right:-100px}
.ring-c{width:300px;height:300px;top:15%;left:5%}

.page-hero{padding:110px 0 75px;position:relative;overflow:hidden}
.hero-tag{display:inline-block;padding:6px 16px;background:#e67e22;color:#fff;border-radius:3px;font-size:13px;font-weight:700;margin-bottom:20px}
.hero-crumbs{display:flex;justify-content:space-between;align-items:center;margin-top:28px;flex-wrap:wrap;gap:16px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#7a6a5a}
.crumb a{color:#7a6a5a;text-decoration:none}
.crumb i{width:4px;height:4px;background:#e6c99a;border-radius:50%}
.crumb span{color:#e67e22;font-weight:700}

.cta-strip{background:linear-gradient(135deg,#e67e22,#c0651a);border-radius:10px;padding:38px 42px;display:flex;justify-content:space-between;align-items:center;color:#fff}
.cta-strip h2{margin:0 0 8px;font-size:23px;color:#fff;font-weight:800}
.cta-strip p{margin:0;font-size:14px;color:rgba(255,255,255,.9)}

.relate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.relate-card{display:block;background:#fff;border:2px dashed #e6c99a;border-radius:8px;padding:20px;text-decoration:none;color:inherit}
.relate-card:hover{border-style:solid;border-color:#e67e22}
.relate-card h4{margin:0 0 4px;color:#8b4513;font-size:14.5px;font-weight:700}
.relate-card span{font-size:13px;color:#a09080}

/* wx 专属：危化品标签 */
.wx-hazclass .tbl th{background:#e67e22}
.wx-msds .acc-head{font-weight:700}
.wx-ppe .tbl td:first-child{font-weight:700;color:#e67e22}