@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css");
/* 全局基础重置（不冲突，通用规范） */
*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}
body{overflow-x:hidden;color:#121212}
img{max-width:100%;height:auto}
a{text-decoration:none}
ul{list-style:none}

/* 通用容器与标题 */
.log-container{max-width:1200px;margin:0 auto;width:100%}
.log-section{width:100%;padding:70px 20px;box-sizing:border-box}
.log-section-title{font-size:32px;font-weight:700;color:#121212;text-align:center;margin-bottom:15px}
.log-section-subtitle{font-size:16px;color:#666;text-align:center;margin-bottom:50px}

/* 按钮通用 */
.log-btn-primary{display:inline-block;padding:14px 35px;background:#eb8117;color:#fff;border-radius:999px;font-weight:600;transition:all .3s ease;box-shadow:0 3px 6px rgba(0,0,0,.2);border:none;cursor:pointer;white-space:nowrap}
.log-btn-primary:hover{background:#d47415;transform:translateY(-3px);box-shadow:0 6px 12px rgba(0,0,0,.3);color:#fff}
.log-btn-outline-light{display:inline-block;padding:14px 35px;background:#fff;color:#121212;border:1px solid #121212;border-radius:999px;font-weight:600;transition:all .3s ease;white-space:nowrap}
.log-btn-outline-light:hover{background:#f5f5f5;transform:translateY(-3px);box-shadow:0 3px 6px rgba(0,0,0,.15)}
.log-btn-small{display:inline-block;padding:6px 18px;background:#eb8117;color:#fff;font-size:13px;font-weight:600;border-radius:999px;transition:all .3s ease;cursor:pointer}
.log-btn-small:hover{background:#d47415;transform:translateY(-2px);box-shadow:0 3px 8px rgba(235,129,23,.3);color:#fff}

/* Hero首屏 */
.log-hero-section{width:100%;position:relative;padding:80px 20px;display:flex;align-items:center;justify-content:center;min-height:600px;background:url('https://bsg-i.nbxc.com/product/9b/62/aa/75081cae8cffd9d5286fcb38e6.jpg') no-repeat center center;background-size:cover;box-sizing:border-box}
.log-hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);z-index:1}
.log-hero-wrap{max-width:1200px;width:100%;display:flex;flex-wrap:wrap;gap:40px;align-items:center;position:relative;z-index:2}
.log-hero-content{flex:1;min-width:300px}
.log-hero-title{font-size:42px;font-weight:700;color:#fff;margin-bottom:20px;line-height:1.2}
.log-hero-desc{font-size:18px;color:#fff;line-height:1.6;margin-bottom:30px}
.log-hero-btns{display:flex;gap:15px;flex-wrap:wrap}
.log-hero-placeholder{flex:1;min-width:300px;text-align:center}
.log-hero-placeholder img{width:90%;border-radius:12px;opacity:0;pointer-events:none}

/* 行业痛点板块 */
.log-pain-points{background:#fff}
.log-pain-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.log-pain-card{background:#f7f2ec;padding:25px 30px;border-radius:8px;display:flex;align-items:center;gap:18px;transition:all .3s ease}
.log-pain-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.log-pain-card i{font-size:28px;color:#eb8117;flex-shrink:0;transition:all .3s ease}
.log-pain-card:hover i{transform:scale(1.15)}
.log-pain-card h3{font-size:19px;font-weight:600;margin:0 0 5px;color:#121212}
.log-pain-card p{color:#666;font-size:14px;line-height:1.4;margin:0}

/* 防护价值数据 */
.log-protection-value{background:#121212;padding:50px 20px}
.log-protection-value .log-section-title{color:#fff;margin-bottom:30px}
.log-value-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.log-value-item{text-align:center;padding:15px;transition:all .3s ease}
.log-value-item h3{font-size:48px;font-weight:700;color:#eb8117;margin-bottom:10px}
.log-value-item p{color:#ccc;font-size:16px}

/* 场景+防护优势 */
.log-scenario-advantages{background:#fff}
.log-scenario-grid{max-width:1200px;margin:0 auto 60px;display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.log-scenario-card{border-radius:12px;overflow:hidden;box-shadow:0 3px 10px rgba(0,0,0,.05);transition:all .3s ease}
.log-scenario-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.log-scenario-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s ease}
.log-scenario-card:hover img{transform:scale(1.05)}
.log-scenario-card-body{padding:20px;text-align:center}
.log-scenario-card-body h4{font-weight:600;margin-bottom:5px;color:#121212}
.log-advantage-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:25px}
.log-advantage-card{background:#f7f2ec;padding:25px;border-radius:12px;display:flex;align-items:center;gap:12px;transition:all .3s ease}
.log-advantage-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.log-advantage-card i{font-size:28px;color:#eb8117;flex-shrink:0;transition:all .3s ease}
.log-advantage-card:hover i{transform:scale(1.15)}
.log-advantage-card p:first-of-type{font-weight:600;margin:0;color:#121212}
.log-advantage-card p:last-of-type{font-size:13px;color:#666;margin:5px 0 0}

/* R&D Strength 研发实力 */
.log-rd-container{width:100%;background:#f7f2ec;padding:60px 20px}
.log-rd-title{text-align:center;margin-bottom:40px;max-width:1200px;margin-left:auto;margin-right:auto}
.log-rd-title h2{font-size:32px;color:#121212;font-weight:700;margin-bottom:8px}
.log-rd-title p{font-size:16px;color:#666;text-transform:uppercase;letter-spacing:1px}
.log-rd-content{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:40px;justify-content:center}
.log-rd-imgs{flex:1;min-width:300px;display:flex;gap:15px;justify-content:center}
.log-rd-img{width:48%;border-radius:8px;object-fit:cover;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.log-rd-img:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgba(0,0,0,.15)}
.log-rd-text{flex:1;min-width:300px}
.log-rd-desc{font-size:16px;color:#121212;line-height:1.6;margin-bottom:25px}
.log-rd-list{list-style:none;margin-bottom:30px}
.log-rd-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px;padding:15px;border-radius:8px;transition:all .3s ease}
.log-rd-list li:hover{background:#fff;transform:translateX(5px)}
.log-rd-icon{font-size:20px;color:#eb8117;margin-top:3px}
.log-rd-list h3{font-size:18px;color:#121212;font-weight:600;margin-bottom:5px}
.log-rd-list p{font-size:14px;color:#666;line-height:1.5}
.log-rd-btn{display:inline-block;padding:12px 28px;background:#eb8117;color:#fff;font-size:15px;font-weight:600;border-radius:999px;text-decoration:none;transition:all .3s ease;box-shadow:0 3px 6px rgba(235,129,23,.2)}
.log-rd-btn:hover{background:#d47415;transform:translateY(-2px);box-shadow:0 5px 12px rgba(235,129,23,.3);color:#fff}

/* Precision Molds 精密模具 */
.log-mold-container{width:100%;background:#121212;padding:70px 20px}
.log-mold-title{text-align:center;margin-bottom:50px}
.log-mold-title h2{font-size:34px;color:#fff;font-weight:700;margin-bottom:10px}
.log-mold-title p{font-size:16px;color:#b0b0b0;text-transform:uppercase;letter-spacing:1px}
.log-mold-grid{max-width:1200px;margin:0 auto 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.log-mold-card{background:#1e1e1e;border:1px solid rgba(255,255,255,.2);border-radius:10px;overflow:hidden;transition:all .3s ease;cursor:pointer}
.log-mold-card:hover{transform:translateY(-8px);box-shadow:0 0 25px rgba(255,255,255,.25)}
.log-mold-imgbox{width:100%;height:250px;overflow:hidden}
.log-mold-imgbox img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.log-mold-card:hover .log-mold-imgbox img{transform:scale(1.08)}
.log-mold-body{padding:25px}
.log-mold-body h3{font-size:19px;color:#fff;margin-bottom:12px;font-weight:600}
.log-mold-body p{font-size:14px;color:#ccc;line-height:1.6}
.log-mold-btnbox{text-align:center}
.log-mold-btn{display:inline-block;padding:14px 35px;background:#eb8117;color:#fff;font-size:16px;font-weight:600;border-radius:999px;text-decoration:none;transition:all .3s ease;box-shadow:0 3px 8px rgba(235,129,23,.2)}
.log-mold-btn:hover{background:#d47415;transform:translateY(-3px);box-shadow:0 6px 15px rgba(235,129,23,.3)}

/* Quality Control 质检 */
.log-qc-container{width:100%;background:#f7f2ec;padding:70px 20px}
.log-qc-title{text-align:center;max-width:1000px;margin:0 auto 50px}
.log-qc-title h2{font-size:36px;color:#121212;font-weight:700;margin-bottom:12px}
.log-qc-title p{font-size:17px;color:#555;margin-bottom:15px;font-style:italic}
.log-qc-steps{max-width:1200px;margin:0 auto 40px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}
.log-qc-step{padding:10px 20px;background:#fff;border-radius:30px;font-size:15px;font-weight:600;color:#eb8117;white-space:nowrap}
.log-qc-line{width:30px;height:2px;background:#ccc}
.log-qc-grid{max-width:1400px;margin:0 auto 50px;display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.log-qc-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 10px rgba(0,0,0,.05);transition:all .3s ease}
.log-qc-card:hover{transform:translateY(-6px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.log-qc-card-img{width:100%;height:200px}
.log-qc-card-img img{width:100%;height:100%;object-fit:cover}
.log-qc-card-body{padding:20px 15px}
.log-qc-card-body h3{font-size:16px;color:#121212;font-weight:600;margin-bottom:10px;line-height:1.4}
.log-qc-card-body p{font-size:13px;color:#666;line-height:1.5}
.log-qc-bar{max-width:1000px;margin:0 auto 40px;padding:18px;background:#fff;border-left:4px solid #eb8117;text-align:center;border-radius:8px}
.log-qc-bar p{font-size:18px;color:#121212;font-weight:600}
.log-qc-btnbox{text-align:center}
.log-qc-btn{display:inline-block;padding:15px 40px;background:#eb8117;color:#fff;font-size:16px;font-weight:600;border-radius:999px;text-decoration:none;transition:all .3s ease}
.log-qc-btn:hover{background:#d47415;transform:translateY(-3px)}

/* 产品系列 */
.log-product-series{background:#fff}
.log-product-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.log-product-card{display:flex;align-items:center;gap:20px;background:#f7f2ec;padding:20px;border-radius:12px;transition:all .3s ease;text-decoration:none}
.log-product-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.log-product-card img{width:160px;height:160px;object-fit:cover;border-radius:8px;flex-shrink:0}
.log-product-body h4{font-size:18px;font-weight:600;color:#121212;margin:0 0 8px}
.log-product-body p{font-size:14px;color:#666;margin:0 0 12px;line-height:1.4}

/* 底部CTA */
.log-cta-section{width:100%;background:#121212;padding:80px 20px;text-align:center;box-sizing:border-box}
.log-cta-title{font-size:36px;font-weight:700;color:#fff;margin-bottom:20px}
.log-cta-desc{font-size:18px;color:#ccc;margin-bottom:40px}

/* 响应式适配 */
@media (max-width:1200px){.log-qc-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:992px){.log-scenario-grid{grid-template-columns:repeat(2,1fr)}.log-advantage-grid{grid-template-columns:repeat(2,1fr)}.log-mold-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){
.log-hero-section{min-height:500px;padding:60px 20px}
.log-hero-title{font-size:28px}
.log-hero-desc{font-size:16px}
.log-section-title{font-size:26px}
.log-cta-title{font-size:28px}
.log-pain-grid{grid-template-columns:1fr}
.log-value-grid{grid-template-columns:1fr}
.log-scenario-grid{grid-template-columns:1fr}
.log-advantage-grid{grid-template-columns:1fr}
.log-product-grid{grid-template-columns:1fr}
.log-product-card{flex-direction:column;text-align:center;gap:15px}
.log-section{padding:50px 20px}
.log-cta-section{padding:60px 20px}
.log-mold-grid{grid-template-columns:1fr}
.log-mold-title h2{font-size:28px}
.log-qc-grid{grid-template-columns:repeat(2,1fr)}
.log-qc-line{display:none}
.log-qc-title h2{font-size:28px}
.log-rd-content{flex-direction:column}
.log-rd-title h2{font-size:26px}
}
@media (max-width:480px){.log-hero-title{font-size:24px}.log-section-title{font-size:24px}.log-cta-title{font-size:24px}.log-qc-grid{grid-template-columns:1fr}}