:root{
  --green:#217535;
  --green2:#2f8b43;
  --green3:#eaf5ec;
  --text:#161a17;
  --muted:#626a64;
  --line:#e5ebe6;
  --shadow:0 5px 18px rgba(37,89,48,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--text);
  font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1530px,92vw);margin:0 auto}
.header{
  height:82px;background:#fff;border-bottom:1px solid #edf0ed;
  position:sticky;top:0;z-index:100;
}
.header .inner{height:100%;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;white-space:nowrap}
.logo-icon{width:44px;height:34px;margin-right:10px;position:relative}
.logo-icon:before,.logo-icon:after{
  content:"";position:absolute;background:var(--green);border-radius:70% 10% 70% 10%;
  width:28px;height:13px;top:10px;
}
.logo-icon:before{left:0;transform:rotate(28deg)}
.logo-icon:after{right:0;transform:rotate(152deg)}
.logo strong{font-size:26px;letter-spacing:1px}
.logo span{font-size:15px;border-left:1px solid #bbb;margin-left:14px;padding-left:14px}
.nav{flex:1;display:flex;justify-content:center;gap:37px;font-size:17px;font-weight:600}
.nav a{height:82px;display:flex;align-items:center;position:relative}
.nav a.active,.nav a:hover{color:var(--green)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--green)}
.tel{font-size:24px;font-weight:800;color:var(--green);white-space:nowrap}
.hero{
  position:relative;
  overflow:hidden;
  width:100%;
  /* 严格按图片实际比例 2365:665 = 3.556:1，整幅图完整显示不裁切 */
  aspect-ratio: 2365 / 665;
  min-height: 260px;
  max-height: 720px;
  background:
    linear-gradient(90deg,
      rgba(255,255,255,0.88) 0%,
      rgba(255,255,255,0.65) 18%,
      rgba(255,255,255,0.3) 32%,
      rgba(255,255,255,0) 48%,
      rgba(255,255,255,0) 100%
    ),
    url("../images/hero-banner.jpg") center/cover no-repeat;
}
.hero .inner{
  display:block;
  position:relative;z-index:1;
  background:transparent;
  height:100%;
}
.hero-copy{padding:6% 0;max-width:42%}
.hero h1{font-size:54px;line-height:1.18;margin:0 0 14px;font-weight:900;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero h2{font-size:23px;margin:0 0 16px;font-weight:600}
.tags{display:flex;gap:20px;flex-wrap:wrap;font-size:17px;margin-bottom:20px;color:#454d47}
.tags span:before{content:"✓";color:var(--green);font-weight:900;margin-right:8px}
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden;
}
.metric{
  display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;
  align-content:center;row-gap:6px;
  padding:15px 16px 17px;border-right:1px solid var(--line);
}
.metric:last-child{border-right:none}
.metric i{font-style:normal;color:var(--green);font-size:32px;grid-row:1/3;align-self:center;text-align:center}
.metric small{font-size:13px;color:#555;align-self:end}
.metric b{font-size:30px;color:var(--green);line-height:1.1;white-space:nowrap;align-self:start}
.metric b span{font-size:14px;color:#333;margin-left:4px;font-weight:600;white-space:nowrap}
.metric .temperature{font-size:22px}
.actions{display:flex;gap:22px}
.btn{height:48px;padding:0 36px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}
.btn.primary{background:var(--green);color:white}
.btn.secondary{background:#fff;color:var(--green);border:1px solid var(--green)}
.section{padding:10px 0}
.title{font-size:20px;font-weight:900;margin:0 0 8px}
.center-title{text-align:center;font-size:24px;font-weight:900;margin:8px 0 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.advantages{display:grid;grid-template-columns:repeat(6,1fr);padding:14px 0}
.adv{display:flex;align-items:center;gap:14px;padding:0 20px;border-right:1px solid var(--line)}
.adv:last-child{border-right:0}
.adv i{font-style:normal;font-size:32px;color:var(--green)}
.adv b{display:block;font-size:16px}
.adv small{display:block;font-size:12px;color:#666;margin-top:3px}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.product{display:grid;grid-template-columns:45% 55%;align-items:center;min-height:100px;padding:10px 14px;position:relative}
.product img{height:84px;width:100%;object-fit:contain}
.product h3{font-size:16px;margin:0 0 5px}
.product p{font-size:12px;color:#606761;line-height:1.5;margin:0 0 7px}
.more{display:inline-block;border:1px solid #9fbfa4;color:var(--green);border-radius:4px;padding:3px 13px;font-size:12px}
.all{position:absolute;right:18px;top:46px;font-size:12px;color:var(--green)}
.solutions{display:grid;grid-template-columns:repeat(5,1fr);padding:11px 0}
.solution{display:grid;grid-template-columns:48px 1fr;align-items:center;padding:0 20px;border-right:1px solid var(--line)}
.solution:last-child{border-right:0}
.solution i{grid-row:1/3;font-style:normal;color:var(--green);font-size:30px}
.solution b{font-size:15px}
.solution small{font-size:12px;color:#666}
.compare-wrap{display:grid;grid-template-columns:56% 44%;gap:16px}
.table-card{overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th,td{padding:5px 11px;border-bottom:1px solid #edf0ee;text-align:left}
th{background:#dfeee1;text-align:center;font-weight:700}
th.hot{background:var(--green);color:#fff}
td:first-child{background:#fafbfa}
td.hot{background:#edf7ee;color:#276635;font-weight:700}
.service{display:grid;grid-template-columns:62% 38%;gap:20px;align-items:center;min-height:210px}
.service h3{font-size:22px;margin:0}
.service .sub{font-size:13px;margin:5px 0 10px}
.service-boxes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.service-box{padding:14px 10px;text-align:center;border-right:1px solid var(--line);min-width:0}
.service-box:last-child{border-right:0}
.service-box i{display:block;font-style:normal;font-size:26px;color:var(--green);margin-bottom:6px}
.service-box b{display:block;font-size:14px;margin:0 0 6px}
.service-box small{display:block;font-size:11px;line-height:1.5;color:#666;word-break:break-word}
.service .mini{margin-top:12px;height:42px;padding:0 44px;font-size:15px}
.recycle{height:220px;width:100%;object-fit:contain}
.about{
  margin-top:8px;background:linear-gradient(90deg,#267538 0,#3f8f4c 45%,#eef5ee 80%);
  color:white;
}
.about .inner{display:grid;grid-template-columns:35% 29% 36%;height:115px;align-items:center}
.about-copy h3{font-size:20px;margin:0 0 6px}
.about-copy p{font-size:12px;line-height:1.6;margin:0}
.stats{height:95px;background:#fff;color:#222;border-radius:17px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center}
.stat{text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat i{display:block;font-style:normal;color:var(--green);font-size:22px}
.stat b{display:block;font-size:16px;margin:3px 0}
.stat span{font-size:10px;color:#666}
.factory{height:115px;overflow:hidden}
.factory img{width:100%;height:100%;object-fit:cover}
.contact{padding:10px 0 14px}
.contact .inner{display:grid;grid-template-columns:200px 1fr;gap:14px;align-items:end}
.contact h3{font-size:20px;margin:0}
.contact p{font-size:12px;color:#666;margin:4px 0}
form{display:grid;grid-template-columns:1fr 1fr 1fr 1fr 1.8fr 130px;gap:12px;align-items:end}
label{font-size:12px;font-weight:700}
input,select,textarea{
  display:block;width:100%;height:40px;margin-top:5px;border:1px solid #dfe6e0;
  border-radius:6px;padding:0 11px;font-family:inherit;font-size:13px;background:#fff;outline:none;
}
textarea{resize:none;padding-top:10px;height:40px}
button.submit{height:40px;border:0;border-radius:5px;background:var(--green);color:white;font-weight:800;cursor:pointer;font-size:14px}
@media(max-width:1100px){
  .nav{display:none}.tel{margin-left:auto}
  .hero{max-height:560px}
  .hero-copy{max-width:54%;padding:5.5% 0}
  .hero h1{font-size:44px}.hero h2{font-size:20px}
  .tags{font-size:15px;gap:15px}
  .metric{padding:14px 15px}
  .metric b{font-size:26px}
  .metric .temperature{font-size:19px}
  .btn{height:44px;padding:0 30px;font-size:15px}
  .advantages{grid-template-columns:repeat(3,1fr);row-gap:18px}
  .adv:nth-child(3){border-right:0}
  .compare-wrap{grid-template-columns:1fr}
  .about .inner{height:auto;grid-template-columns:1fr;gap:14px;padding:22px 0}
  .factory{display:none}
  .contact .inner{grid-template-columns:1fr}
  form{grid-template-columns:repeat(2,1fr)}
  button.submit{grid-column:1/-1}
}
@media(max-width:720px){
  .logo span,.tel{display:none}
  .header{height:70px}
  .nav a{height:70px}
  .hero{
    aspect-ratio:auto;
    min-height:420px;
    max-height:none;
    background:
      linear-gradient(180deg,
        rgba(255,255,255,0.96) 0%,
        rgba(255,255,255,0.9) 50%,
        rgba(255,255,255,0.5) 100%
      ),
      url("../images/hero-banner.jpg") center/cover no-repeat;
  }
  .hero .inner{min-height:420px}
  .hero-copy{padding:24px 0;max-width:100%}
  .hero h1{font-size:34px}.hero h2{font-size:19px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .advantages,.products,.solutions{grid-template-columns:1fr}
  .adv,.solution{border-right:0}
  .product{grid-template-columns:1fr}
  .service{grid-template-columns:1fr}.recycle{display:none}
  form{grid-template-columns:1fr}
}

/* ========== Footer ========== */
.footer{
  background:linear-gradient(180deg,#1f5a31 0%,#18442a 100%);
  color:#d5e4da;
  margin-top:20px;
}
.footer-inner{
  display:grid;
  /* 8列：品牌 | 产品中心 | 行业应用 | 服务支持 | 关于我们 | 新闻资讯 | 联系我们 | 二维码 */
  grid-template-columns:1.3fr repeat(5, 1fr) 1.3fr 0.9fr;
  gap:22px;
  padding:36px 0 28px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin:0 0 14px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-col ul li{
  margin-bottom:7px;
}
.footer-col ul li a{
  color:#b7cdbe;
  font-size:13px;
  text-decoration:none;
  transition:color .2s;
}
.footer-col ul li a:hover{
  color:#7dd59a;
}

/* Brand column */
.footer-brand .footer-logo{
  display:flex;
  align-items:center;
  margin-bottom:10px;
}
.footer-brand .footer-logo .logo-icon{
  width:40px;height:32px;margin-right:10px;position:relative;flex-shrink:0;
}
.footer-brand .footer-logo .logo-icon:before,
.footer-brand .footer-logo .logo-icon:after{
  content:"";position:absolute;background:#7dd59a;border-radius:70% 10% 70% 10%;
  width:26px;height:12px;top:10px;
}
.footer-brand .footer-logo .logo-icon:before{left:0;transform:rotate(28deg)}
.footer-brand .footer-logo .logo-icon:after{right:0;transform:rotate(152deg)}
.footer-brand .footer-logo strong{
  color:#fff;font-size:24px;letter-spacing:1px;font-weight:900;
}
.footer-slogan{
  color:#b7cdbe;
  font-size:13px;
  margin:0 0 14px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-company{
  color:#fff;
  font-size:14px;
  font-weight:600;
  margin:0 0 6px;
}
.footer-tagline{
  margin:0;
  font-size:13px;
  color:#7dd59a;
}
.footer-tagline span{
  display:inline-block;
  margin-right:10px;
}
.footer-tagline span:before{
  content:"●";
  color:#7dd59a;
  margin-right:5px;
  font-size:8px;
  vertical-align:middle;
}

/* Contact column */
.contact-list{
  list-style:none;
  margin:0;
  padding:0;
}
.contact-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:14px !important;
}
.contact-icon{
  color:#7dd59a;
  font-size:18px;
  flex-shrink:0;
  width:22px;
  text-align:center;
  padding-top:2px;
}
.contact-list li > div{
  flex:1;
}
.contact-list li span{
  color:#b7cdbe;
  font-size:13px;
  line-height:1.5;
  display:block;
}
.contact-tel{
  color:#7dd59a !important;
  font-size:22px !important;
  font-weight:900;
  letter-spacing:0.5px;
}

/* QR Code column */
.footer-qrcode{
  text-align:center;
}
.qrcode-box{
  background:#fff;
  border-radius:6px;
  padding:8px;
  display:inline-block;
  margin-bottom:8px;
}
.qrcode-placeholder{
  width:100px;
  height:100px;
  background:
    linear-gradient(45deg,#1a4a2d 25%,transparent 25%) 0 0/14px 14px,
    linear-gradient(-45deg,#1a4a2d 25%,transparent 25%) 0 7px/14px 14px,
    linear-gradient(45deg,transparent 75%,#1a4a2d 75%) 7px -7px/14px 14px,
    linear-gradient(-45deg,transparent 75%,#1a4a2d 75%) 7px 0/14px 14px,
    #fff;
  border-radius:3px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  position:relative;
}
.qr-logo-icon{
  background:#fff;
  padding:4px 7px;
  border-radius:4px;
  font-size:18px;
  color:var(--green);
  font-weight:900;
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  box-shadow:0 0 0 2px #fff;
}
.qr-scan-tip{
  display:none;
}
.footer-qrcode p{
  color:#b7cdbe;
  font-size:13px;
  margin:0;
}

/* Footer bottom */
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:14px 0;
  background:rgba(0,0,0,.12);
}
.footer-bottom .container{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  text-align:center;
}
.footer-bottom span{
  color:#98b5a3;
  font-size:12px;
}

/* Responsive footer */
@media(max-width:1100px){
  .footer-inner{
    grid-template-columns:repeat(4,1fr);
    gap:28px;
  }
  .footer-brand{grid-column:1/-1}
  .footer-qrcode{grid-column:span 1}
}
@media(max-width:720px){
  .footer-inner{
    grid-template-columns:repeat(2,1fr);
    gap:24px;
    padding:28px 0 20px;
  }
  .footer-brand,.footer-qrcode{grid-column:1/-1}
  .footer-qrcode{text-align:left}
  .qrcode-box{display:block;width:fit-content}
  .footer-bottom .container{flex-direction:column;gap:6px}
  .contact-tel{font-size:20px !important}
}

/* ========================================================
   7个子页面 通用样式（与首页同绿色主题）
   ======================================================== */

/* ---------- 通用辅助 ---------- */
.muted{color:#66776b;font-size:14px;margin:4px 0 0}
.muted-sm{color:#77867d;font-size:12.5px;margin:4px 0 0}
.tiny{font-size:11.5px;line-height:1.7}
.full{width:100%}
.title.no-t{margin-top:0}

/* ---------- Page Banner（每个页面顶部介绍+面包屑） ---------- */
.page-banner{
  background:
    linear-gradient(135deg,rgba(30,86,45,.94) 0%,rgba(47,117,63,.86) 55%,rgba(61,142,78,.78) 100%),
    url("../images/pdf_extract/page1_img3_936x624.jpeg") center/cover no-repeat;
  color:#fff;
  padding:54px 0 50px;
  margin-bottom:28px;
}
.page-banner h1{font-size:32px;margin:0;letter-spacing:1px;font-weight:800}
.page-banner .lead{font-size:15.5px;margin:10px 0 14px;color:#dcecdf;opacity:.96}
.crumbs{font-size:13px;color:#bfd6c4;letter-spacing:.5px}
.crumbs a{color:#e6f2e9;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
.crumbs a:hover{color:#fff}
.products-banner,.custom-banner{
  background-image:linear-gradient(135deg,rgba(30,86,45,.94),rgba(47,117,63,.86),rgba(61,142,78,.78)),url("../images/pdf_extract/page2_img2_460x345.jpeg");
}
.solutions-banner,.cases-banner{
  background-image:linear-gradient(135deg,rgba(30,86,45,.94),rgba(47,117,63,.86),rgba(61,142,78,.78)),url("../images/pdf_extract/page2_img5_450x338.jpeg");
}
.about-banner,.contact-banner{
  background-image:linear-gradient(135deg,rgba(30,86,45,.94),rgba(47,117,63,.86),rgba(61,142,78,.78)),url("../images/pdf_extract/page1_img7_1158x1207.jpeg");
}
.news-banner{
  background-image:linear-gradient(135deg,rgba(30,86,45,.94),rgba(47,117,63,.86),rgba(61,142,78,.78)),url("../images/pdf_extract/page2_img9_453x340.jpeg");
}

/* ---------- 两列通用布局 ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.cta-band{background:linear-gradient(90deg,#edf7ee,#d6ead9);margin:34px 0 0;padding:26px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-box h2{margin:0;font-size:22px;color:#1d4e2a}

/* ========================================================
   1. 产品中心 / products.html
   ======================================================== */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.product-detail{display:flex;flex-direction:column}
.pd-img{position:relative;background:#f7fbf7;border-radius:10px;overflow:hidden;padding:22px;text-align:center;aspect-ratio: 4/3}
.pd-img img{max-height:100%;max-width:100%;object-fit:contain}
.tag-badge{position:absolute;top:12px;left:12px;background:#2b7a3e;color:#fff;font-size:12px;padding:4px 12px;border-radius:3px;letter-spacing:1px}
.tag-badge.green{background:#1d4e2a}
.pd-body{padding:18px 18px 20px}
.pd-body h3{margin:0 0 12px;font-size:19px;color:#1f4829}
.pd-list{list-style:none;margin:0 0 16px;padding:0;border-top:1px dashed #cfddcf}
.pd-list li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #e4ece5;font-size:13.5px}
.pd-list li span{color:#67756a}
.pd-list li b{color:#1c4626;font-weight:700}
.pd-actions{display:flex;gap:12px;margin-top:4px}
.pd-actions .btn{height:42px;padding:0 26px;font-size:14.5px}

/* ========================================================
   2. 行业解决方案 / solutions.html
   ======================================================== */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.industry-card{display:flex;gap:18px;padding:20px 20px 18px;transition:transform .2s,box-shadow .2s}
.industry-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(38,106,56,.12)}
.ic-icon{
  flex:0 0 60px;height:60px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e5f2e8,#cfe6d4);font-size:30px;text-align:center;line-height:1
}
.ic-icon.pharma{background:linear-gradient(135deg,#e8f0fb,#cfdcf7)}
.ic-icon.food{background:linear-gradient(135deg,#fbeee0,#f6d7b5)}
.ic-icon.ware{background:linear-gradient(135deg,#e8f5ee,#bfe1cb)}
.ic-icon.car{background:linear-gradient(135deg,#efeaee,#d6c8d3)}
.ic-icon.ev{background:linear-gradient(135deg,#eaf8dd,#c6ecaa)}
.ic-icon.chem{background:linear-gradient(135deg,#f1e7f5,#d9c1e4)}
.ic-body h3{margin:0 0 4px;font-size:17px;color:#1f4829}
.ic-sub{margin:0 0 8px;color:#2b7a3e;font-size:13px;font-weight:600}
.ic-body ul{list-style:none;margin:0 0 10px;padding:0;font-size:13px;color:#566359;line-height:1.9}
.ic-body .more{font-size:13px}

/* ========================================================
   3. 定制服务 / custom.html
   ======================================================== */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.steps li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 14px;text-align:center;position:relative;box-shadow:var(--shadow)}
.steps li::after{
  content:"›";position:absolute;right:-14px;top:50%;transform:translateY(-50%);
  color:#a9c3af;font-size:28px;font-weight:700;z-index:2
}
.steps li:last-child::after{display:none}
.step-no{display:inline-block;font-size:20px;color:#fff;background:var(--green);padding:3px 10px;border-radius:4px;font-weight:800;margin-bottom:8px}
.steps li b{display:block;font-size:14.5px;margin-bottom:5px;color:#1c4626}
.steps li small{color:#617165;font-size:12px;line-height:1.5}

.custom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:14px}
.custom-card{padding:22px 20px;text-align:center}
.custom-card .cc-i{font-size:32px;display:block;margin:0 auto 10px;width:58px;height:58px;line-height:58px;border-radius:50%;background:linear-gradient(135deg,#e5f2e8,#cfe6d4)}
.custom-card h4{margin:4px 0 8px;font-size:16px;color:#1c4626}
.custom-card p{margin:0;color:#566359;font-size:13.5px;line-height:1.8}

/* ========================================================
   4. 案例中心 / cases.html
   ======================================================== */
.case-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.filter{padding:7px 16px;border:1px solid var(--line);border-radius:20px;background:#fff;font-size:13px;color:#566359;cursor:pointer;transition:all .15s}
.filter:hover{border-color:var(--green);color:var(--green)}
.filter.active{background:var(--green);color:#fff;border-color:var(--green)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{padding:0;overflow:hidden;position:relative}
.case-img{aspect-ratio:16/10;background:#f0f5f1;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.case-card:hover .case-img img{transform:scale(1.04)}
.case-tag{position:absolute;top:12px;left:12px;background:var(--green);color:#fff;font-size:12px;padding:3px 12px;border-radius:3px}
.case-tag.pharma{background:#3557a5}
.case-tag.food{background:#d98b34}
.case-tag.car{background:#6b4a77}
.case-tag.ev{background:#2a8a4e}
.case-tag.chem{background:#8c4aa0}
.case-card h3{margin:16px 18px 6px;font-size:16.5px;color:#1f4829;line-height:1.5}
.case-card p{margin:0 18px 14px;color:#5b685e;font-size:13.5px;line-height:1.7}
.case-meta{display:flex;gap:16px;margin:0 18px 18px;color:#818f84;font-size:12px}

/* ========================================================
   5. 项目介绍 / about.html
   ======================================================== */
.about-hero-copy p{font-size:15px;line-height:1.9;color:#46524a;margin:0 0 12px}
.about-hero-copy p b{color:#1f4829;font-weight:700}
.about-num{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.about-num > div{background:linear-gradient(135deg,#eef7ef,#dfeede);padding:16px 10px;border-radius:10px;text-align:center}
.about-num b{display:block;font-size:26px;color:var(--green);font-weight:800;line-height:1.2}
.about-num small{color:#516355;font-size:12.5px;margin-top:4px;display:inline-block}
.about-hero-media{border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(38,106,56,.15)}
.about-hero-media img{width:100%;display:block}

.value-grid,.rd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.value-card{padding:22px 18px;text-align:center}
.value-card i{font-size:30px;display:block;margin-bottom:8px}
.value-card h4{margin:4px 0 6px;color:#1c4626;font-size:16px}
.value-card p{margin:0;font-size:13px;line-height:1.8;color:#566359}
.rd-item{padding:20px 18px}
.rd-item .rd-i{font-size:28px;display:inline-block;width:54px;height:54px;line-height:54px;text-align:center;border-radius:50%;background:linear-gradient(135deg,#e5f2e8,#cfe6d4);margin-bottom:10px}
.rd-item h4{margin:4px 0 8px;font-size:15.5px;color:#1c4626}
.rd-item p{margin:0;font-size:13px;line-height:1.8;color:#566359}

.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.honor-box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 16px;text-align:center;box-shadow:var(--shadow)}
.honor-box b{display:block;font-size:14.5px;color:#1c4626;margin-bottom:4px}
.honor-box small{color:#617165;font-size:12px}

/* ========================================================
   6. 新闻资讯 / news.html
   ======================================================== */
.news-layout{grid-template-columns:1fr 300px;gap:28px}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{display:flex;gap:18px;padding:18px 20px}
.news-date{
  flex:0 0 70px;text-align:center;
  border-right:1px solid #e5ece6;padding-right:16px
}
.news-date b{display:block;font-size:26px;line-height:1;color:var(--green);font-weight:800}
.news-date small{color:#818f84;font-size:12px;margin-top:4px;display:inline-block}
.news-tag{display:inline-block;font-size:12px;background:#eef7ee;color:var(--green);padding:2px 10px;border-radius:3px;font-weight:600;margin-bottom:6px}
.news-tag.industry{background:#eef0fb;color:#3f54a0}
.news-tag.media{background:#fbeee0;color:#c47528}
.news-body h3{margin:4px 0 8px;font-size:17.5px;color:#1c4626;line-height:1.6}
.news-body h3:hover{color:var(--green)}
.news-body p{margin:0 0 8px;font-size:13.5px;line-height:1.8;color:#566359}
.news-body .more{font-size:13px}

.news-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:18px}
.side-block{padding:18px 18px 16px}
.side-block h4{margin:0 0 8px;font-size:15.5px;color:#1c4626}
.sub-form{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.sub-form input{flex:1 1 100%;height:40px;border:1px solid var(--line);border-radius:4px;padding:0 12px;font-size:13.5px}
.sub-form .btn{height:40px;padding:0 22px;font-size:13.5px;width:100%}
.tags-wrap{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tags-wrap span{background:#f1f7f2;color:#4b6250;padding:5px 11px;border-radius:16px;font-size:12px;cursor:pointer}
.tags-wrap span:hover{background:var(--green);color:#fff}
.hot-list{list-style:none;margin:10px 0 0;padding:0}
.hot-list li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed #e4ece5;align-items:flex-start;font-size:13px;line-height:1.65}
.hot-list li:last-child{border-bottom:0}
.hot-list li span{flex:0 0 22px;height:22px;line-height:22px;text-align:center;background:#eef7ee;color:var(--green);border-radius:50%;font-weight:700;font-size:12px}
.hot-list li:nth-child(-n+3) span{background:var(--green);color:#fff}
.hot-list li a{color:#46524a;text-decoration:none}
.hot-list li a:hover{color:var(--green)}

/* ========================================================
   7. 联系我们 / contact.html
   ======================================================== */
.contact-wrap{grid-template-columns:1.05fr 1fr;gap:28px}
.info-list{list-style:none;padding:0;margin:0 0 20px}
.info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed #dce5de;align-items:flex-start}
.info-list li:last-child{border-bottom:0}
.info-icon{
  flex:0 0 40px;height:40px;line-height:40px;text-align:center;border-radius:50%;
  background:linear-gradient(135deg,#e5f2e8,#cfe6d4);color:var(--green);font-size:18px
}
.info-list b{display:block;font-size:14px;color:#1c4626;margin-bottom:3px}
.info-list small{display:block;color:#566359;font-size:13px;line-height:1.7}
.info-list .big-green{font-size:24px;color:var(--green);font-weight:800;margin:2px 0 4px}

.map-card{padding:14px;margin-top:8px}
.map-placeholder{
  background:
    linear-gradient(135deg,rgba(237,247,238,.9),rgba(214,234,217,.9)),
    repeating-linear-gradient(45deg,#cfe1d4 0 2px,transparent 2px 14px);
  border:1px dashed #88ad91;border-radius:8px;padding:34px 20px;text-align:center
}
.map-logo{font-size:40px;margin-bottom:8px;color:var(--green)}
.map-placeholder p{margin:0;font-weight:700;color:#1c4626;font-size:15px}
.map-placeholder small{display:inline-block;margin-top:5px;color:#566359;font-size:12.5px}

.contact-form{padding:24px 24px 22px}
.form{margin-top:10px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;margin:0 0 14px;font-size:13px;color:#3c4a40;font-weight:600}
.form label input,.form label select,.form label textarea{
  display:block;width:100%;margin-top:5px;padding:10px 12px;height:42px;
  border:1px solid var(--line);border-radius:4px;font-size:14px;background:#fff;
  font-family:inherit;color:#26332a;font-weight:400;transition:border .2s,box-shadow .2s;box-sizing:border-box
}
.form label textarea{height:auto;resize:vertical;min-height:110px;line-height:1.7;padding:10px 12px}
.form label input:focus,.form label select:focus,.form label textarea:focus{
  border-color:var(--green);box-shadow:0 0 0 3px rgba(43,122,62,.15);outline:0
}
.form .btn.full{margin-top:4px;height:46px;font-size:15px}

/* ========================================================
   响应式（子页面）
   ======================================================== */
@media(max-width:1100px){
  .product-grid,.industry-grid,.custom-grid,.case-grid,.rd-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .steps li::after{display:none}
  .about-num{grid-template-columns:repeat(2,1fr)}
  .value-grid,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout,.contact-wrap,.two-col{grid-template-columns:1fr}
  .cta-box{flex-direction:column;align-items:flex-start;text-align:left}
  .page-banner{padding:42px 0 38px}
  .page-banner h1{font-size:26px}
}
@media(max-width:720px){
  .product-grid,.industry-grid,.custom-grid,.case-grid,.rd-grid,.value-grid,.honor-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .about-num{grid-template-columns:1fr 1fr}
  .form .row{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:10px}
  .news-date{border-right:0;border-bottom:1px dashed #e5ece6;padding:0 0 10px;flex:0 0 auto;text-align:left;display:flex;gap:10px;align-items:center}
  .news-date b{display:inline;font-size:22px;margin-right:8px}
  .industry-card{flex-direction:column;text-align:center}
  .ic-icon{align-self:center}
  .page-banner h1{font-size:22px}
  .info-list .big-green{font-size:20px}
}