*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fafafa;color:#333;padding:20px;padding-top:60px;max-width:800px;margin:0 auto}
/* 风险逆转承诺条（固定顶部） */
.trust-bar{position:fixed;top:0;left:0;right:0;z-index:999;background:linear-gradient(90deg,#1a3a1a,#2d5a2d);color:#fff;text-align:center;padding:8px 12px;font-size:14px;letter-spacing:.5px;box-shadow:0 2px 8px rgba(0,0,0,.15);display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.trust-bar span{white-space:nowrap}
.trust-bar .step{opacity:.85}
.trust-bar .arrow{color:#5f5}
@media(max-width:600px){.trust-bar{font-size:12px;gap:8px;padding:6px 8px}body{padding-top:50px}}
.breadcrumb{font-size:13px;color:#999;margin-bottom:16px;padding:8px 0}
.breadcrumb a{color:#c00;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.hero{background:linear-gradient(135deg,#c00,#800);color:#fff;padding:32px 24px;border-radius:12px;text-align:center;margin-bottom:20px}
.hero h1{font-size:22px;line-height:1.4;margin-bottom:6px}
.hero p{font-size:15px;opacity:.9}
.section{background:#fff;border-radius:10px;padding:22px;margin-bottom:16px;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.section h2{font-size:18px;color:#c00;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #fee}
.section h3{font-size:16px;color:#333;margin:12px 0 8px}
.section ul,.section ol{padding-left:20px;margin:8px 0}
.section li{margin-bottom:6px}
.scenarios{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.scenario-item{background:#fff5f5;padding:14px;border-radius:8px;border-left:3px solid #c00}
.scenario-item .label{font-size:13px;color:#999;margin-bottom:2px}
.scenario-item .text{font-size:15px;color:#333;font-weight:500}
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.price-item{background:#fff5f5;padding:14px 10px;border-radius:8px;text-align:center;transition:transform .15s}
.price-item:hover{transform:translateY(-2px)}
.price-item .val{font-size:22px;color:#c00;font-weight:bold;line-height:1.2}
.price-item .name{font-size:13px;color:#666;margin-top:4px}
.price-item .mat{font-size:11px;color:#999;margin-top:2px}
.price-note{text-align:center;margin-top:12px;padding:10px;background:#fffbf0;border-radius:6px;font-size:14px;color:#e67e00}
.faq-item{margin-bottom:14px;padding-bottom:14px;border-bottom:1px dashed #eee}
.faq-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.faq-item .q{font-weight:600;color:#c00;margin-bottom:4px;cursor:default}
.faq-item .a{color:#555;font-size:15px;line-height:1.7}
.reviews{display:grid;gap:12px}
.review-item{background:#fffbeb;padding:14px;border-radius:8px;position:relative}
.review-item .stars{color:#f5a623;font-size:16px;margin-bottom:4px}
.review-item .body{font-size:14px;color:#555;font-style:italic;line-height:1.6}
.review-item .author{font-size:12px;color:#999;margin-top:6px}
.trust-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:12px}
.trust-badge{text-align:center;padding:12px 16px;background:#f0f9f0;border-radius:8px;font-size:13px}
.trust-badge .icon{font-size:22px;display:block;margin-bottom:4px}
.related-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.related-list a{display:block;padding:8px 12px;background:#f9f9f9;border-radius:6px;text-decoration:none;color:#333;font-size:14px;transition:background .15s}
.related-list a:hover{background:#fee;color:#c00}
.cta-section{text-align:center;padding:24px;background:#fff;border-radius:10px;box-shadow:0 1px 4px rgba(0,0,0,.06);margin-bottom:16px}
.cta-section p{margin-bottom:16px;color:#666;font-size:15px}
.cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-btn{display:inline-block;padding:14px 32px;border-radius:30px;text-decoration:none;font-size:17px;font-weight:600;transition:transform .15s,box-shadow .15s}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.cta-btn.primary{background:#c00;color:#fff}
.cta-btn.wechat{background:#07c160;color:#fff}
.cta-btn.tel{background:#fff;color:#c00;border:2px solid #c00}
.cta-info{margin-top:14px;font-size:13px;color:#999}
.cta-info span{margin:0 8px}
.cat-nav{text-align:center;padding:16px 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.cat-nav a{display:inline-block;padding:6px 14px;background:#f0f0f0;border-radius:20px;text-decoration:none;color:#666;font-size:13px}
.cat-nav a:hover{background:#c00;color:#fff}
.footer{text-align:center;color:#bbb;font-size:12px;padding:20px;line-height:1.8}
.footer strong{color:#999}
@media(max-width:600px){
  .scenarios,.price-grid,.related-list,.product-grid{grid-template-columns:1fr}
  .cta-buttons{flex-direction:column}
  .cta-btn{width:100%}
}
/* 产品展示卡片 */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.prod-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:transform .15s}
.prod-card:hover{transform:translateY(-3px)}
.prod-img{height:120px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.3)}
.prod-img.flag-gongduan{background:linear-gradient(135deg,#c0392b,#e74c3c)}.prod-img.flag-gongduan::after{content:'🏳️'}
.prod-img.flag-velvet{background:linear-gradient(135deg,#8b0000,#c00)}.prod-img.flag-velvet::after{content:'🏴'}
.prod-img.flag-embroider{background:linear-gradient(135deg,#6b0000,#b22222)}.prod-img.flag-embroider::after{content:'🎖️'}
.prod-img.banner-wide{background:linear-gradient(135deg,#1a5276,#2980b9)}.prod-img.banner-wide::after{content:'📐';font-size:28px}
.prod-label{text-align:center;padding:8px 4px 2px;font-size:13px;font-weight:500;color:#333}
.prod-price{text-align:center;padding:0 4px 8px;font-size:16px;font-weight:700;color:#c00}
.top20-badge{display:inline-block;background:linear-gradient(135deg,#f5a623,#ff6b35);color:#fff;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600;margin-left:8px;vertical-align:middle}
/* 信任保证列表 */
.guarantee-list{display:grid;gap:14px}
.guarantee-item{background:#f9fdf9;padding:16px 18px;border-radius:8px;border-left:4px solid #2d8a2d;line-height:1.7}
.guarantee-item strong{color:#1a5a1a;font-size:16px;display:block;margin-bottom:4px}