/* 听目堂助听器 企业站 公共样式 */
*{margin:0;padding:0;box-sizing:border-box;}
:root{--red:#d70926;--dark:#222;--gray:#666;--line:#eaeaea;--bg:#f7f8fa;}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;color:#333;line-height:1.75;background:#fff;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}
.clear{clear:both;}

/* topbar */
.topbar{background:#f2f3f5;font-size:13px;color:#888;}
.topbar .wrap{display:flex;justify-content:space-between;height:34px;line-height:34px;}
.topbar .tel{color:var(--red);font-weight:700;}

/* header */
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:20;box-shadow:0 1px 6px rgba(0,0,0,.04);}
.hd{display:flex;align-items:center;justify-content:space-between;height:74px;}
.logo{display:flex;align-items:center;font-weight:800;font-size:22px;color:var(--red);}
.logo .mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--red);color:#fff;border-radius:7px;margin-right:10px;font-size:18px;}
.logo small{display:block;font-size:11px;color:#999;font-weight:400;letter-spacing:1px;}
nav ul{display:flex;}
nav a{display:block;padding:0 20px;line-height:74px;font-size:16px;color:#333;position:relative;}
nav a:hover,nav a.on{color:var(--red);}
nav a.on:after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;background:var(--red);border-radius:2px;}
.menu-btn{display:none;font-size:26px;color:var(--red);cursor:pointer;}

/* banner */
.banner{background:linear-gradient(115deg,#fbe9ec,#f2f4f7 60%);color:#222;padding:64px 0;}
.banner h1{font-size:38px;line-height:1.35;}
.banner h1 b{color:var(--red);}
.banner p{margin-top:14px;font-size:18px;color:#5c6470;max-width:720px;}
.banner .btn{display:inline-block;margin-top:26px;padding:12px 34px;background:var(--red);color:#fff;border-radius:30px;font-size:16px;}
.page-banner{background:linear-gradient(115deg,#2b2b2b,#4a4a4a);color:#fff;padding:44px 0;}
.page-banner h1{font-size:30px;}
.page-banner .crumb{margin-top:8px;font-size:14px;color:#cfcfcf;}
.page-banner .crumb a:hover{color:#fff;}

/* section */
section.block{padding:58px 0;}
section.block.alt{background:var(--bg);}
.sec-title{text-align:center;font-size:28px;color:#222;}
.sec-title span{color:var(--red);}
.sec-sub{text-align:center;color:#999;margin:8px 0 40px;}

/* grid cards */
.grid{display:flex;flex-wrap:wrap;gap:22px;}
.col3{width:calc(33.333% - 15px);}
.col4{width:calc(25% - 17px);}
.col2{width:calc(50% - 11px);}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 24px;transition:.25s;}
.card:hover{box-shadow:0 10px 26px rgba(0,0,0,.08);transform:translateY(-4px);border-color:#f2c9cf;}
.card .ico{width:54px;height:54px;border-radius:12px;background:#fdeef0;color:var(--red);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;}
.card h3{font-size:19px;margin-bottom:8px;color:#222;}
.card p{font-size:14px;color:#777;}

/* brand chips */
.brands{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;}
.brands .b{min-width:210px;text-align:center;padding:22px 18px;background:#fff;border:1px solid var(--line);border-radius:10px;}
.brands .b h4{font-size:18px;color:#222;}
.brands .b span{font-size:13px;color:#999;}
.brands .b:hover{border-color:var(--red);color:var(--red);}

/* product list */
.plist{display:flex;flex-wrap:wrap;gap:22px;}
.pitem{width:calc(33.333% - 15px);background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.25s;}
.pitem:hover{box-shadow:0 10px 26px rgba(0,0,0,.08);}
.pitem .thumb{height:170px;background:linear-gradient(135deg,#eef1f5,#dfe4ea);display:flex;align-items:center;justify-content:center;color:#b6bec8;font-size:40px;}
.pitem .pb{padding:16px 18px;}
.pitem h3{font-size:16px;color:#222;margin-bottom:6px;}
.pitem p{font-size:13px;color:#888;height:40px;overflow:hidden;}
.pitem .tag{display:inline-block;margin-top:8px;font-size:12px;color:var(--red);border:1px solid #f2c9cf;border-radius:20px;padding:2px 12px;}

/* news list */
.nlist li{border-bottom:1px dashed var(--line);padding:16px 4px;display:flex;justify-content:space-between;align-items:center;}
.nlist li:hover{background:#fafafa;}
.nlist a{font-size:16px;color:#333;}
.nlist a:hover{color:var(--red);}
.nlist .date{color:#aaa;font-size:14px;}

/* about */
.about-flex{display:flex;gap:40px;align-items:center;flex-wrap:wrap;}
.about-flex .txt{flex:1;min-width:300px;}
.about-flex .txt h3{font-size:22px;margin-bottom:14px;color:#222;}
.about-flex .txt p{color:#666;margin-bottom:12px;text-align:justify;}
.about-flex .pic{flex:1;min-width:300px;height:300px;border-radius:12px;background:linear-gradient(135deg,#fbe9ec,#eef1f5);display:flex;align-items:center;justify-content:center;color:#d70926;font-size:60px;}
.stat{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;}
.stat .s{flex:1;min-width:150px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;}
.stat .s b{display:block;font-size:30px;color:var(--red);}
.stat .s span{color:#888;font-size:14px;}

/* steps */
.steps{display:flex;flex-wrap:wrap;gap:16px;}
.step{flex:1;min-width:170px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 16px;position:relative;}
.step .n{width:40px;height:40px;line-height:40px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;margin:0 auto 12px;}
.step h4{font-size:16px;color:#222;margin-bottom:6px;}
.step p{font-size:13px;color:#888;}

/* contact */
.contact-flex{display:flex;gap:34px;flex-wrap:wrap;}
.contact-flex .info{flex:1;min-width:280px;}
.contact-flex .info h3{font-size:20px;margin-bottom:16px;color:#222;}
.contact-flex .info .row{display:flex;margin-bottom:14px;color:#555;}
.contact-flex .info .row .k{width:80px;color:#999;flex-shrink:0;}
.contact-flex .map{flex:1;min-width:280px;height:320px;border-radius:12px;background:repeating-linear-gradient(45deg,#eef1f5,#eef1f5 12px,#e6ebf1 12px,#e6ebf1 24px);display:flex;align-items:center;justify-content:center;color:#9aa4b0;}
.form .fi{margin-bottom:14px;}
.form label{display:block;font-size:14px;color:#666;margin-bottom:6px;}
.form input,.form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit;}
.form .sub{display:inline-block;padding:11px 34px;background:var(--red);color:#fff;border:none;border-radius:6px;font-size:15px;cursor:pointer;}

/* footer */
footer{background:#222;color:#9a9a9a;font-size:13px;margin-top:20px;}
.ftop{border-bottom:1px solid #333;padding:38px 0 26px;}
.ftop .cols{display:flex;flex-wrap:wrap;gap:30px;}
.ftop .col{flex:1;min-width:200px;}
.ftop .col h4{color:#ddd;font-size:16px;margin-bottom:14px;}
.ftop .col a,.ftop .col p{display:block;color:#9a9a9a;line-height:2;font-size:13px;}
.ftop .col a:hover{color:#fff;}
.ftop .ftel{color:#fff;font-size:24px;font-weight:800;}
.fbot{padding:18px 0;text-align:center;line-height:2;}
.fbot a{color:#c9c9c9;}
.fbot a:hover{color:#fff;text-decoration:underline;}
.fbot .beian{color:#c9c9c9;}

@media (max-width:820px){
  nav ul{display:none;}
  .menu-btn{display:block;}
  .col3,.col4,.col2,.pitem{width:calc(50% - 11px);}
  .banner h1{font-size:26px;} .banner{padding:40px 0;}
  .sec-title{font-size:22px;}
}
@media (max-width:520px){
  .col3,.col4,.col2,.pitem{width:100%;}
  .hd{height:60px;} nav a{line-height:60px;}
}