:root{
  --g1:#16994a;      /* 主绿 · 取自logo */
  --g2:#0d7a38;
  --g3:#085c2a;
  --g4:#06371c;      /* 页脚深绿 */
  --tint:#eef7f1;
  --tint2:#f7fbf8;
  --ink:#17251d;
  --muted:#5f7268;
  --line:#e2ebe4;
  --white:#ffffff;
  --shadow:0 18px 44px rgba(8,60,30,.10);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--white);
  line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
section{scroll-margin-top:86px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px;}

/* ============ 通用标题 ============ */
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:13px;letter-spacing:.32em;color:var(--g1);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--g1);}
.sec-title{
  font-size:34px;font-weight:700;letter-spacing:.02em;
  margin:14px 0 10px;line-height:1.35;
}
.sec-sub{color:var(--muted);font-size:15px;max-width:720px;}
.footnote{color:#8ba296;font-size:12.5px;margin-top:14px;line-height:1.7;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 30px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.04em;
  transition:all .25s ease;white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none;}
.btn-solid{background:var(--g1);color:#fff;box-shadow:0 10px 24px rgba(22,153,74,.32);}
.btn-solid:hover{background:var(--g2);transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(255,255,255,.75);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-line{border:1px solid var(--g1);color:var(--g2);}
.btn-line:hover{background:var(--tint);}

/* ============ 顶部导航 ============ */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
header.scrolled{box-shadow:0 6px 24px rgba(8,60,30,.08);border-color:var(--line);}
.nav{display:flex;align-items:center;height:76px;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand img{width:46px;height:46px;border-radius:10px;}
.brand-name{line-height:1.25;}
.brand-name b{display:block;font-size:17px;letter-spacing:.06em;}
.brand-name span{display:block;font-size:11px;color:var(--muted);letter-spacing:.14em;}
nav.menu{display:flex;gap:6px;margin-left:auto;}
nav.menu a{
  padding:9px 14px;font-size:15px;color:#33463b;border-radius:8px;
  transition:color .2s,background .2s;position:relative;
}
nav.menu a:hover{color:var(--g2);background:var(--tint);}
.nav-tel{
  display:flex;align-items:center;gap:10px;flex:none;
  background:linear-gradient(135deg,var(--g1),var(--g2));
  color:#fff;padding:9px 20px 9px 14px;border-radius:999px;
  box-shadow:0 8px 20px rgba(22,153,74,.3);transition:transform .2s;
}
.nav-tel:hover{transform:translateY(-2px);}
.nav-tel svg{width:30px;height:30px;flex:none;background:rgba(255,255,255,.18);border-radius:50%;padding:6px;}
.nav-tel small{display:block;font-size:11px;opacity:.85;line-height:1.2;letter-spacing:.08em;}
.nav-tel b{display:block;font-size:16.5px;letter-spacing:.04em;line-height:1.25;font-variant-numeric:tabular-nums;}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto;}
.burger i{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
.m-menu{display:none;}

/* ============ HERO 轮播 ============ */
.hero{position:relative;height:92vh;min-height:600px;max-height:860px;overflow:hidden;background:var(--g4);}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;
}
.slide.active{opacity:1;}
.slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(4,32,16,.72) 0%,rgba(4,32,16,.38) 46%,rgba(4,32,16,.08) 100%),
             linear-gradient(0deg,rgba(4,32,16,.55) 0%,rgba(4,32,16,0) 40%);
}
.hero-inner{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:center;color:#fff;
}
.hero-eyebrow{
  font-size:14px;letter-spacing:.28em;opacity:.92;
  display:flex;align-items:center;gap:14px;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:40px;height:1px;background:#8fd8ab;}
.hero h1,.hero .h1{
  font-size:54px;font-weight:700;line-height:1.28;letter-spacing:.02em;
  margin-bottom:18px;text-shadow:0 4px 30px rgba(0,0,0,.3);
}
.hero p{font-size:18px;opacity:.94;margin-bottom:36px;letter-spacing:.05em;text-shadow:0 2px 14px rgba(0,0,0,.35);}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.hero-slidebox{position:relative;height:100%;}
.hero-ctrl{
  position:absolute;left:0;right:0;bottom:34px;z-index:3;
  display:flex;align-items:center;color:#fff;
}
.hero-count{font-size:14px;letter-spacing:.2em;font-variant-numeric:tabular-nums;opacity:.9;}
.hero-count b{font-size:19px;}
.hero-dots{display:flex;gap:10px;margin-left:auto;}
.hero-dots button{width:26px;height:3px;background:rgba(255,255,255,.35);border-radius:2px;transition:.3s;}
.hero-dots button.on{background:#fff;width:44px;}

/* ============ 关于毅泽 ============ */
.about{padding:118px 0 96px;position:relative;overflow:hidden;}
.ghost{
  position:absolute;top:44px;left:50%;transform:translateX(-18%);
  font-size:210px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1.5px #dcebe1;user-select:none;pointer-events:none;
  font-family:"Segoe UI",Arial,sans-serif;
}
.about-grid{display:grid;grid-template-columns:46% 1fr;gap:70px;align-items:center;position:relative;}
.about-photo{position:relative;}
.about-photo img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);position:relative;z-index:1;}
.about-photo::before{
  content:"";position:absolute;left:-22px;bottom:-22px;width:56%;height:56%;
  background:linear-gradient(135deg,var(--tint),#dff0e5);border-radius:var(--radius);
}
.about-photo::after{
  content:"毅泽生产基地";position:absolute;right:18px;bottom:18px;z-index:2;
  background:rgba(6,55,28,.78);color:#fff;font-size:12.5px;letter-spacing:.12em;
  padding:7px 14px;border-radius:999px;backdrop-filter:blur(4px);
}
.about-text .sec-title{margin-bottom:16px;}
.about-text p{color:#41544a;margin-bottom:14px;font-size:15.5px;text-align:justify;}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin:26px 0 8px;
}
.stat{background:#fff;padding:20px 10px 16px;text-align:center;transition:background .25s;}
.stat:hover{background:var(--tint2);}
.stat b{font-size:27px;color:var(--g2);letter-spacing:.01em;font-variant-numeric:tabular-nums;}
.stat b i{font-style:normal;font-size:14px;margin-left:2px;}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;letter-spacing:.06em;}
.about-cta{display:flex;align-items:center;gap:22px;margin-top:22px;flex-wrap:wrap;}
.about-cta .tel-inline{font-size:14px;color:var(--muted);}
.about-cta .tel-inline b{color:var(--g2);font-size:19px;letter-spacing:.03em;}

/* ============ 产品中心 ============ */
.products{padding:100px 0 90px;background:var(--tint2);position:relative;}
.p-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:52px;flex-wrap:wrap;}
.p-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;}
.p-visual{position:sticky;top:110px;}
.p-visual .frame{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);aspect-ratio:4/3.1;background:#dfe9e2;
}
.p-visual .frame img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .5s ease;
}
.p-visual .frame img.show{opacity:1;}
.p-tagline{
  position:absolute;left:0;bottom:0;right:0;z-index:2;
  padding:46px 24px 18px;color:#fff;font-size:13px;letter-spacing:.1em;
  background:linear-gradient(0deg,rgba(4,32,16,.72),rgba(4,32,16,0));
}
.p-list li{border-bottom:1px solid var(--line);}
.p-list button{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:17px 6px;font-size:18px;color:#7c8f84;text-align:left;
  transition:color .25s,padding .25s;
}
.p-list button .no{
  font-size:12.5px;letter-spacing:.12em;font-variant-numeric:tabular-nums;
  color:#a9bcb0;width:30px;flex:none;transition:color .25s;
  font-family:"Segoe UI",Arial,sans-serif;
}
.p-list button .arr{
  margin-left:auto;opacity:0;transform:translateX(-8px);transition:.25s;
  color:var(--g1);font-size:20px;
}
.p-list li.cur button{color:var(--ink);font-weight:700;padding-left:12px;}
.p-list li.cur .no{color:var(--g1);}
.p-list li.cur .arr{opacity:1;transform:translateX(0);}
.p-detail{
  margin-top:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 28px 24px;box-shadow:0 10px 30px rgba(8,60,30,.06);
}
.p-pane{display:none;}
.p-pane.cur{display:block;animation:fade .45s ease;}
@keyframes fade{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.p-pane h3{font-size:20px;margin-bottom:6px;}
.p-pane .pos{color:#4a5d52;font-size:14.5px;margin-bottom:14px;}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:14px;}
.chips span{
  font-size:13px;color:var(--g3);background:var(--tint);
  border:1px solid #d7eade;
  padding:5px 13px;border-radius:999px;letter-spacing:.02em;
}
.scene{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.scene b{color:#41544a;font-weight:600;}
.p-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.p-cta .hint{font-size:13px;color:var(--muted);}

/* ============ 天幕系统 ============ */
.tianmu{padding:104px 0 0;}
.tm-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:60px;}
.tm-grid p{color:#41544a;font-size:15.5px;text-align:justify;margin-top:16px;}
.tm-feats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.feat{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:20px 20px 17px;transition:all .25s;
}
.feat:hover{border-color:#bfe0cb;box-shadow:0 12px 28px rgba(8,60,30,.08);transform:translateY(-3px);}
.feat i{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:11px;background:var(--tint);margin-bottom:12px;
}
.feat i svg{width:21px;height:21px;stroke:var(--g2);}
.feat b{font-size:16px;display:block;margin-bottom:4px;}
.feat span{font-size:13px;color:var(--muted);line-height:1.65;display:block;}
.band{position:relative;height:440px;overflow:hidden;}
.band img{width:100%;height:100%;object-fit:cover;object-position:center 30%;}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,32,16,.5),rgba(4,32,16,.05) 55%);}
.band-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;color:#fff;padding-bottom:38px;
}
.band-cap .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.band-cap h3{font-size:24px;letter-spacing:.04em;margin-bottom:6px;}
.band-cap p{font-size:14px;opacity:.92;max-width:640px;}

/* ============ 服务流程 ============ */
.service{padding:104px 0 96px;}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:58px;position:relative;}
.steps::before{content:"";position:absolute;left:4%;right:4%;top:26px;height:1px;background:var(--line);}
.step{position:relative;text-align:center;padding:0 14px;}
.step .dot{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  background:#fff;border:1px solid var(--line);position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--g2);font-weight:700;letter-spacing:.06em;
  transition:all .3s;font-family:"Segoe UI",Arial,sans-serif;
}
.step:hover .dot{background:var(--g1);color:#fff;border-color:var(--g1);box-shadow:0 10px 22px rgba(22,153,74,.32);}
.step b{display:block;font-size:17px;margin-bottom:6px;}
.step span{font-size:13px;color:var(--muted);line-height:1.65;display:block;}

/* ============ 应用领域 ============ */
.apply{padding:96px 0;background:var(--g4);color:#fff;position:relative;overflow:hidden;}
.apply::before{
  content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,153,74,.35),transparent 68%);
}
.apply .eyebrow{color:#7fd6a2;}
.apply .eyebrow::before{background:#7fd6a2;}
.apply .sec-sub{color:#a7c6b3;}
.apply-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:52px;position:relative;}
.ap-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:26px 20px 22px;transition:all .3s;
}
.ap-card:hover{background:rgba(22,153,74,.18);border-color:rgba(127,214,162,.5);transform:translateY(-4px);}
.ap-card svg{width:30px;height:30px;stroke:#7fd6a2;margin-bottom:16px;}
.ap-card b{display:block;font-size:16.5px;margin-bottom:7px;letter-spacing:.04em;}
.ap-card span{font-size:13px;color:#a7c6b3;line-height:1.7;display:block;}

/* ============ 资讯 ============ */
.news{padding:104px 0 96px;}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:48px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.n-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;transition:all .3s;display:flex;flex-direction:column;
}
.n-card:hover{box-shadow:var(--shadow);transform:translateY(-5px);}
.n-card .pic{height:200px;overflow:hidden;}
.n-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.n-card:hover .pic img{transform:scale(1.06);}
.n-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.n-body time{font-size:12.5px;color:#9db1a5;letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.n-body h3{font-size:17px;line-height:1.55;margin:9px 0 8px;transition:color .25s;}
.n-card:hover h3{color:var(--g2);}
.n-body p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1;}
.n-more{
  margin-top:16px;font-size:13px;color:var(--g2);letter-spacing:.14em;
  display:inline-flex;align-items:center;gap:7px;font-weight:600;
}

/* ============ 联系我们 ============ */
.contact{padding:0 0 110px;}
.ct-panel{
  background:linear-gradient(130deg,var(--g3),var(--g1) 130%);
  border-radius:22px;color:#fff;padding:66px 64px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  position:relative;overflow:hidden;box-shadow:0 30px 70px rgba(8,92,42,.35);
}
.ct-panel::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:380px;height:380px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
}
.ct-panel::before{
  content:"";position:absolute;right:-30px;bottom:-60px;width:380px;height:380px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;
}
.ct-left .eyebrow{color:#bdeccd;}
.ct-left .eyebrow::before{background:#bdeccd;}
.ct-left h2{font-size:32px;margin:14px 0 12px;line-height:1.4;}
.ct-left p{color:#d7efe0;font-size:15px;max-width:480px;}
.ct-points{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap;}
.ct-points span{display:flex;align-items:center;gap:8px;font-size:14px;color:#e7f7ec;}
.ct-points svg{width:17px;height:17px;stroke:#9fe4b8;}
.ct-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:18px;padding:34px 34px 30px;backdrop-filter:blur(6px);
  text-align:center;position:relative;z-index:2;
}
.ct-card .who{font-size:15px;letter-spacing:.2em;color:#cdeeda;}
.ct-card .tel{
  display:block;font-size:38px;font-weight:800;letter-spacing:.045em;
  margin:10px 0 4px;color:#fff;font-variant-numeric:tabular-nums;
  transition:transform .2s;
}
.ct-card .tel:hover{transform:scale(1.03);}
.ct-card .sub{font-size:13px;color:#bfe6cd;margin-bottom:22px;letter-spacing:.06em;}
.ct-card .btn-solid{background:#fff;color:var(--g2);box-shadow:0 12px 30px rgba(0,0,0,.2);width:100%;justify-content:center;font-size:16px;}
.ct-card .btn-solid:hover{background:#f0faf4;}
.ct-addr{margin-top:18px;font-size:13px;color:#cdeeda;line-height:1.7;}

/* ============ 页脚 ============ */
footer{background:var(--g4);color:#9db8a8;font-size:14px;}
.ft-top{display:grid;grid-template-columns:1.3fr 1fr 1.1fr;gap:50px;padding:64px 0 48px;}
.ft-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.ft-brand img{width:46px;height:46px;border-radius:10px;background:#fff;padding:3px;}
.ft-brand b{color:#fff;font-size:18px;letter-spacing:.06em;}
.ft-top p{line-height:1.85;font-size:13.5px;}
.ft-top h4{color:#fff;font-size:15px;letter-spacing:.16em;margin-bottom:18px;font-weight:600;}
.ft-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.ft-links a{transition:color .2s;font-size:13.5px;}
.ft-links a:hover{color:#7fd6a2;}
.ft-tel{color:#fff;font-size:24px;font-weight:800;letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.ft-contact li{display:flex;gap:10px;margin-bottom:11px;font-size:13.5px;align-items:flex-start;}
.ft-contact svg{width:16px;height:16px;stroke:#7fd6a2;flex:none;margin-top:4px;}
.ft-bar{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:12.5px;color:#7b9587;}
.ft-bar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.ft-disclaim{padding:0 0 8px;font-size:12px;color:#6d8779;line-height:1.8;}

/* ============ 浮动联系 ============ */
.float-side{
  position:fixed;right:22px;bottom:110px;z-index:99;
  display:flex;flex-direction:column;gap:12px;
}
.fbtn{
  width:52px;height:52px;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:0 10px 26px rgba(8,60,30,.14);
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:all .25s;
}
.fbtn svg{width:22px;height:22px;stroke:var(--g2);}
.fbtn:hover{background:var(--g1);border-color:var(--g1);}
.fbtn:hover svg{stroke:#fff;}
.fbtn .tip{
  position:absolute;right:64px;top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--g3);color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;
  padding:10px 16px;border-radius:10px;white-space:nowrap;opacity:0;pointer-events:none;
  transition:.25s;font-variant-numeric:tabular-nums;
}
.fbtn .tip::after{
  content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);
  width:10px;height:10px;background:var(--g3);
}
.fbtn:hover .tip{opacity:1;transform:translateY(-50%) translateX(0);}
#toTop{opacity:0;pointer-events:none;transition:opacity .3s;}
#toTop.show{opacity:1;pointer-events:auto;}

/* ============ 移动端拨号条 ============ */
.m-callbar{display:none;}

/* ============ 滚动显现 ============ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.rv.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  nav.menu{display:none;}
  .burger{display:flex;}
  .m-menu{
    display:block;position:fixed;top:76px;left:0;right:0;z-index:99;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(8,60,30,.1);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .m-menu.open{max-height:480px;}
  .m-menu a{display:block;padding:15px 28px;border-top:1px solid var(--tint);font-size:15.5px;}
  .m-menu a:active{background:var(--tint);}
  .ghost{font-size:150px;}
  .about-grid,.tm-grid,.p-grid{grid-template-columns:1fr;gap:44px;}
  .p-visual{position:static;}
  .apply-grid{grid-template-columns:repeat(3,1fr);}
  .steps{grid-template-columns:repeat(5,1fr);}
  .ct-panel{grid-template-columns:1fr;padding:52px 40px;}
  .ft-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  body{padding-bottom:66px;}
  .wrap{padding:0 20px;}
  .nav{height:64px;}
  header,section{scroll-margin-top:70px;}
  .m-menu{top:64px;}
  .nav-tel small{display:none;}
  .nav-tel{padding:8px 14px 8px 10px;}
  .nav-tel b{font-size:14.5px;}
  .brand-name span{display:none;}
  .brand-name b{font-size:15px;}
  .hero{height:86vh;min-height:520px;}
  .hero h1,.hero .h1{font-size:31px;}
  .hero p{font-size:14.5px;}
  .sec-title{font-size:25px;}
  .about{padding:76px 0 64px;}
  .ghost{font-size:96px;top:30px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .products,.tianmu,.service,.news{padding-top:70px;}
  .tm-feats{grid-template-columns:1fr;}
  .band{height:300px;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .steps::before{display:none;}
  .step{display:flex;text-align:left;gap:18px;padding:0;}
  .step .dot{margin:0;flex:none;width:46px;height:46px;}
  .apply-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .ct-panel{padding:42px 24px;border-radius:18px;}
  .ct-card .tel{font-size:30px;}
  .ft-top{grid-template-columns:1fr;gap:36px;padding:50px 0 36px;}
  .float-side{right:14px;bottom:86px;}
  .fbtn{width:46px;height:46px;}
  .m-callbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:100;
    background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
    align-items:center;justify-content:center;gap:10px;
    height:58px;font-size:17px;font-weight:700;letter-spacing:.05em;
    box-shadow:0 -8px 24px rgba(8,60,30,.22);font-variant-numeric:tabular-nums;
  }
  .m-callbar svg{width:20px;height:20px;}
}

/* ============ 导航一行显示（修复换行） ============ */
header .wrap{max-width:1420px;}
nav.menu{gap:4px;}
nav.menu a{white-space:nowrap;padding:9px 13px;}
nav.menu a.on{color:var(--g2);background:var(--tint);font-weight:600;}
@media (max-width:1366px){
  nav.menu a{padding:8px 10px;font-size:14.5px;}
}
@media (max-width:1200px){
  .brand-name span{display:none;}
  nav.menu{gap:0;}
  nav.menu a{padding:8px 9px;font-size:14px;}
}

/* ============ 内页通用 ============ */
.page-hero{position:relative;height:330px;min-height:280px;display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff;background-color:var(--g4);}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,32,16,.80),rgba(4,32,16,.34) 58%,rgba(4,32,16,.14));}
.page-hero .wrap{position:relative;z-index:2;width:100%;padding-bottom:46px;padding-top:110px;}
.page-hero h1{font-size:38px;letter-spacing:.05em;line-height:1.3;margin:8px 0 0;text-shadow:0 4px 24px rgba(0,0,0,.35);}
.ph-sub{margin-top:10px;font-size:14px;color:#d5ecdf;letter-spacing:.06em;}
.crumb{font-size:13px;color:#c4e5d2;letter-spacing:.06em;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb a{color:#c4e5d2;transition:color .2s;}
.crumb a:hover{color:#fff;}
.crumb i{font-style:normal;opacity:.55;}
.sec{padding:94px 0;}
.sec.alt{background:var(--tint2);}
.center-head{text-align:center;margin-bottom:52px;}
.center-head .eyebrow{justify-content:center;}
.center-head .sec-sub{margin:0 auto;}

/* ============ 关于页 · 车间实拍 ============ */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.g-item{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 14px 34px rgba(8,60,30,.10);}
.g-item img{width:100%;height:255px;object-fit:cover;transition:transform .6s;}
.g-item:hover img{transform:scale(1.05);}
.g-item span{position:absolute;left:0;right:0;bottom:0;padding:36px 16px 12px;color:#fff;font-size:13.5px;letter-spacing:.1em;background:linear-gradient(0deg,rgba(4,32,16,.74),rgba(4,32,16,0));}

/* ============ 产品中心页 ============ */
.prod-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.pc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .3s;}
.pc-card:hover{box-shadow:var(--shadow);transform:translateY(-5px);border-color:#cbe4d4;}
.pc-card .pic{height:215px;overflow:hidden;position:relative;flex:none;}
.pc-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.pc-card:hover .pic img{transform:scale(1.06);}
.pc-card .pic .no{position:absolute;left:14px;top:12px;background:rgba(6,55,28,.72);color:#fff;font-size:12px;letter-spacing:.14em;padding:5px 12px;border-radius:999px;backdrop-filter:blur(3px);font-family:"Segoe UI",Arial,sans-serif;}
.pc-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.pc-body h3{font-size:19px;margin-bottom:6px;}
.pc-body .pos{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:12px;flex:1;}
.pc-body .chips{margin-bottom:16px;}
.pc-act{display:flex;gap:10px;}
.pc-act .btn{padding:10px 16px;font-size:13.5px;flex:1;justify-content:center;}

/* ============ 产品详情页 ============ */
.pd-top{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.pd-photo{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.pd-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.pd-photo span{position:absolute;left:0;right:0;bottom:0;padding:40px 20px 14px;color:#fff;font-size:13px;letter-spacing:.1em;background:linear-gradient(0deg,rgba(4,32,16,.72),rgba(4,32,16,0));}
.pd-info .cat{font-size:13px;letter-spacing:.26em;color:var(--g1);font-weight:600;}
.pd-info h2{font-size:32px;margin:10px 0 12px;line-height:1.35;}
.pd-info .pos{color:#41544a;font-size:15.5px;margin-bottom:14px;text-align:justify;}
.pd-info p.desc{color:#4a5d52;font-size:14.5px;margin-bottom:14px;text-align:justify;}
.pd-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;}
.pd-tel{font-size:13px;color:var(--muted);}
.pd-tel b{display:block;font-size:23px;color:var(--g2);letter-spacing:.03em;font-variant-numeric:tabular-nums;}
.table-x{overflow-x:auto;border-radius:var(--radius);}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(8,60,30,.05);}
.spec-table th,.spec-table td{padding:15px 22px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}
.spec-table th{width:190px;background:var(--tint2);color:var(--g3);font-weight:600;letter-spacing:.04em;white-space:nowrap;}
.spec-table td{color:#3c4f45;}
.pd-feats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.pd-feat{display:flex;gap:13px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 18px;align-items:flex-start;transition:all .25s;}
.pd-feat:hover{border-color:#bfe0cb;box-shadow:0 12px 28px rgba(8,60,30,.08);}
.pd-feat svg{width:20px;height:20px;stroke:var(--g1);flex:none;margin-top:3px;}
.pd-feat b{display:block;font-size:15.5px;margin-bottom:3px;}
.pd-feat span{font-size:13px;color:var(--muted);line-height:1.65;display:block;}
.scene-strip{display:flex;flex-wrap:wrap;gap:10px;}
.scene-strip span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 20px;font-size:14px;color:#3c4f45;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-grid .pic{height:180px;}

@media (max-width:1080px){
  .prod-cards{grid-template-columns:repeat(2,1fr);}
  .pd-top{grid-template-columns:1fr;gap:40px;}
}
@media (max-width:720px){
  .page-hero{height:245px;min-height:215px;}
  .page-hero .wrap{padding-bottom:30px;}
  .page-hero h1{font-size:26px;}
  .sec{padding:62px 0;}
  .center-head{margin-bottom:36px;}
  .gallery{grid-template-columns:1fr;}
  .g-item img{height:225px;}
  .prod-cards{grid-template-columns:1fr;}
  .pd-info h2{font-size:25px;}
  .pd-feats{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .spec-table th{width:112px;padding:12px 14px;}
  .spec-table td{padding:12px 14px;}
}