/* ==========================================================================
   山东鸿运来工业科技有限公司 · 官网首页
   设计基调：工业装备 B2B —— 藏青 + 白 + 信号红，实拍大图 + 产品照片矩阵
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root{
  /* 主色：工业藏青 */
  --navy-900:#061A38;
  --navy-800:#0A2347;
  --navy-700:#0D2A55;
  --navy-600:#123A6E;
  --navy-500:#1B4C8A;
  --navy-400:#2E6BB0;

  /* 中性 */
  --ink:#111820;
  --ink-2:#3C4757;
  --ink-3:#6A7686;
  --line:#E1E6EC;
  --line-2:#EDF0F4;
  --paper:#F4F6F9;
  --paper-2:#EEF2F7;
  --white:#FFFFFF;

  /* 点睛红 */
  --red:#E1261C;
  --red-600:#C31C13;
  --red-soft:rgba(225,38,28,.10);

  /* 排版 */
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-mono:"SF Mono",ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;

  /* 尺度 */
  --wrap:1280px;
  --r-sm:3px;
  --r-md:5px;
  --r-lg:8px;
  --shadow-1:0 2px 10px rgba(9,25,49,.06);
  --shadow-2:0 12px 34px rgba(9,25,49,.10);
  --shadow-3:0 22px 56px rgba(9,25,49,.16);
  --head-h:78px;
  --ease:cubic-bezier(.2,.8,.3,1);
}

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.7;color:var(--ink-2);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg{display:block;max-width:100%;}
img{height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:99;background:var(--red);color:#fff;padding:10px 18px;font-weight:700;}
.skip-link:focus{left:12px;top:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 26px;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border-radius:var(--r-sm);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s,transform .22s var(--ease),box-shadow .25s var(--ease);
}
.btn--lg{min-height:54px;padding:0 38px;font-size:16px;}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(225,38,28,.26);}
.btn--primary:hover{background:var(--red-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(225,38,28,.34);}
.btn--outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);}
.btn--outline:hover{background:#fff;color:var(--navy-700);border-color:#fff;transform:translateY(-2px);}
.btn--quote{
  background:var(--red);color:#fff;min-height:42px;padding:0 22px;
  font-size:14.5px;border-radius:var(--r-sm);
}
.btn--quote:hover{background:var(--red-600);}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy-900);color:rgba(255,255,255,.8);font-size:13px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:40px;}
.topbar__meta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.topbar__meta li{display:flex;align-items:center;gap:7px;}
.topbar__meta svg{width:15px;height:15px;flex:0 0 auto;color:var(--navy-400);}
.topbar__meta a:hover{color:#fff;}
.topbar__tel{color:#fff;}
.topbar__tel svg{color:var(--red);}
.topbar__tel a{font-family:var(--font-mono);font-weight:700;letter-spacing:.4px;font-size:14px;}
.topbar__social{display:flex;align-items:center;gap:8px;}
.topbar__social a{
  display:grid;place-items:center;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.82);
  transition:background .2s,border-color .2s,color .2s;
}
.topbar__social svg{width:15px;height:15px;}
.topbar__social a:hover{background:var(--red);border-color:var(--red);color:#fff;}

/* ---------- 头部 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-head.is-stuck{box-shadow:0 8px 26px rgba(9,25,49,.10);}
.head__inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:var(--head-h);}

.brand{display:flex;align-items:center;gap:11px;color:var(--navy-700);flex:0 0 auto;}
.brand__mark{width:47px;height:auto;flex:0 0 auto;display:block;}
.brand__text{display:flex;flex-direction:column;line-height:1.16;}
.brand__text strong{font-size:19.5px;letter-spacing:.5px;color:var(--navy-800);font-weight:800;}
.brand__text em{
  font-style:normal;font-size:9px;letter-spacing:1.5px;
  color:var(--ink-3);font-family:var(--font-mono);margin-top:2px;
}

.nav{display:flex;align-items:center;gap:26px;}
.nav__list{display:flex;align-items:center;gap:1px;}
.nav__list > li{position:relative;}
.nav__list > li > a{
  display:block;padding:0 15px;line-height:var(--head-h);
  font-size:15.5px;font-weight:600;color:var(--ink-2);
  position:relative;transition:color .2s var(--ease);
}
.nav__list > li > a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:20px;height:2.5px;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav__list > li > a:hover,
.nav__list > li > a.is-active{color:var(--navy-700);}
.nav__list > li > a:hover::after,
.nav__list > li > a.is-active::after{transform:scaleX(1);}

.nav__sub{
  position:absolute;left:8px;top:calc(var(--head-h) - 12px);min-width:190px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:8px;box-shadow:var(--shadow-3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav__list > li:hover .nav__sub,
.nav__list > li:focus-within .nav__sub{opacity:1;visibility:visible;transform:translateY(0);}
.nav__sub li a{
  display:block;padding:9px 13px;font-size:14.5px;color:var(--ink-2);
  border-radius:var(--r-sm);
  transition:background .18s,color .18s,padding-left .18s;
}
.nav__sub li a:hover{background:var(--paper);color:var(--navy-700);padding-left:17px;}

.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:23px;height:2.4px;background:var(--navy-700);transition:transform .25s var(--ease),opacity .2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.4px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg);}

/* ---------- 首屏 ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;background:var(--navy-800);color:#fff;}
.hero__media{position:absolute;inset:0;z-index:-2;}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 58%;}
.hero__scrim{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(100deg,rgba(6,26,56,.94) 0%,rgba(6,26,56,.80) 38%,rgba(6,26,56,.34) 72%,rgba(6,26,56,.16) 100%),
    linear-gradient(0deg,rgba(6,26,56,.6),transparent 46%);
}
.hero__inner{padding-block:clamp(64px,10vh,132px) clamp(72px,11vh,140px);max-width:1180px;}
.hero__eyebrow{
  font-size:14px;font-weight:700;letter-spacing:.6px;color:#fff;
  padding-left:14px;border-left:3px solid var(--red);
  margin-bottom:22px;
}
.hero__title{
  font-size:clamp(38px,5.4vw,74px);line-height:1.06;font-weight:800;
  letter-spacing:-1.2px;color:#fff;
  text-shadow:0 3px 24px rgba(0,0,0,.34);
}
.hero__lead{
  margin-top:26px;max-width:660px;
  font-size:clamp(15.5px,1.35vw,18px);line-height:1.85;color:rgba(255,255,255,.9);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px;}
.hero__spec{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;margin-top:56px;max-width:780px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero__spec li{padding:22px 24px 0 0;position:relative;}
.hero__spec li + li{padding-left:26px;border-left:1px solid rgba(255,255,255,.14);}
.hero__spec b{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:.2px;}
.hero__spec span{display:block;margin-top:7px;font-size:13.5px;color:rgba(255,255,255,.72);}

/* ---------- 数据带 ---------- */
.statsbar{background:var(--navy-700);color:#fff;position:relative;z-index:2;}
.statsbar__grid{display:grid;grid-template-columns:repeat(5,1fr);}
.statbox{
  position:relative;padding:34px 20px;text-align:center;
}
.statbox + .statbox::before{
  content:"";position:absolute;left:0;top:24%;height:52%;width:1px;
  background:linear-gradient(transparent,rgba(255,255,255,.24),transparent);
}
.statbox svg{width:30px;height:30px;margin:0 auto 14px;color:rgba(255,255,255,.62);}
.statbox__num{
  display:block;font-family:var(--font-mono);
  font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.05;color:#fff;
}
.statbox__num em{font-style:normal;font-size:.5em;color:var(--red);margin-left:3px;font-weight:700;}
.statbox__label{display:block;margin-top:9px;font-size:13.5px;color:rgba(255,255,255,.72);letter-spacing:.4px;}

/* ---------- 区块标题 ---------- */
.sec-head{max-width:820px;margin-bottom:48px;}
.sec-head--center{margin-inline:auto;text-align:center;}
.sec-head__kicker{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:2.6px;
  color:var(--red);text-transform:uppercase;font-weight:700;margin-bottom:12px;
}
.sec-head__kicker--light{color:#FF6A5E;}
.sec-head__title{
  font-size:clamp(28px,3.3vw,44px);font-weight:800;letter-spacing:-.8px;
  line-height:1.2;color:var(--navy-800);
}
.sec-head__desc{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--ink-3);}
.sec-head--center .sec-head__desc{margin-inline:auto;max-width:660px;}

/* ---------- 产品中心 ---------- */
.products{padding:clamp(64px,7vw,104px) 0;background:var(--paper);}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.prodcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.prodcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:transparent;}
.prodcard__media{
  position:relative;display:block;
  aspect-ratio:4/3;background:#fff;
  border-bottom:1px solid var(--line-2);
  overflow:hidden;padding:20px;
}
.prodcard__media img{
  width:100%;height:100%;object-fit:contain;
  transition:transform .45s var(--ease);
}
.prodcard:hover .prodcard__media img{transform:scale(1.055);}
.prodcard__badge{
  position:absolute;left:0;top:0;
  background:var(--navy-700);color:#fff;
  font-size:12.5px;font-weight:700;letter-spacing:1px;
  padding:5px 12px;border-bottom-right-radius:var(--r-sm);
}
.prodcard:hover .prodcard__badge{background:var(--red);}
.prodcard__body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.prodcard__title{font-size:20px;font-weight:800;color:var(--navy-800);letter-spacing:.2px;}
.prodcard__desc{margin-top:10px;font-size:14.6px;line-height:1.75;color:var(--ink-3);}
.prodcard__spec{
  margin-top:auto;padding-top:18px;display:grid;gap:7px;
  border-top:1px solid var(--line-2);
}
.prodcard__spec li{font-size:13.6px;color:var(--ink-2);display:grid;grid-template-columns:64px 1fr;gap:10px;}
.prodcard__spec li span{color:var(--ink-3);}

/* ---------- 工厂实力 ---------- */
.factory{padding:clamp(64px,7vw,104px) 0;background:#fff;}
.fact-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.fact-gallery__item{position:relative;overflow:hidden;border-radius:var(--r-md);background:var(--paper-2);}
.fact-gallery__item--hero{grid-column:span 2;grid-row:span 2;}
.fact-gallery__item--wide{grid-column:1 / -1;aspect-ratio:24/7;}
.fact-gallery__item--half{grid-column:span 2;aspect-ratio:16/7;}
.fact-gallery__item img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s var(--ease);
}
.fact-gallery__item:not(.fact-gallery__item--hero):not(.fact-gallery__item--wide):not(.fact-gallery__item--half){aspect-ratio:4/3;}
.fact-gallery__item--hero{aspect-ratio:auto;}
.fact-gallery__item:hover img{transform:scale(1.05);}
.fact-gallery__item figcaption{
  position:absolute;left:0;right:0;bottom:0;
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  padding:34px 20px 16px;
  background:linear-gradient(transparent,rgba(6,26,56,.88));
  color:#fff;
}
.fact-gallery__item figcaption b{font-size:15.5px;font-weight:700;letter-spacing:.3px;}
.fact-gallery__item figcaption span{font-size:12.5px;color:rgba(255,255,255,.76);}
.fact-gallery__item--hero figcaption b{font-size:20px;}
.fact-gallery__item--hero figcaption{padding:60px 28px 24px;}

.fact-why{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:2px solid var(--navy-700);
}
.fact-why__item{padding:30px 28px 0 0;position:relative;}
.fact-why__item + .fact-why__item{padding-left:28px;border-left:1px solid var(--line);}
.fact-why__no{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--red);letter-spacing:1px;
}
.fact-why__item h3{margin-top:12px;font-size:18px;font-weight:800;color:var(--navy-800);}
.fact-why__item p{margin-top:10px;font-size:14.6px;line-height:1.75;color:var(--ink-3);}

/* ---------- 解决方案 ---------- */
.solution{padding:clamp(64px,7vw,104px) 0;background:var(--navy-800);color:#fff;position:relative;overflow:hidden;}
.solution::after{
  content:"";position:absolute;right:-8%;top:-20%;width:46%;aspect-ratio:1;
  background:radial-gradient(circle,rgba(46,107,176,.30),transparent 66%);
  pointer-events:none;
}
.solution .sec-head__title{color:#fff;}
.solution .sec-head__desc{color:rgba(255,255,255,.72);}
.solution .sec-head__kicker{color:#FF6A5E;}
.sol-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.solcard{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.13);
  border-top:3px solid var(--red);
  border-radius:var(--r-md);
  padding:30px 26px 28px;
  transition:background .28s var(--ease),transform .28s var(--ease),border-color .28s;
}
.solcard:hover{background:rgba(255,255,255,.10);transform:translateY(-5px);border-color:rgba(255,255,255,.24);border-top-color:var(--red);}
.solcard h3{font-size:19px;font-weight:800;color:#fff;letter-spacing:.2px;}
.solcard p{margin-top:12px;font-size:14.6px;line-height:1.8;color:rgba(255,255,255,.76);}
.solcard ul{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.13);display:grid;gap:8px;}
.solcard li{font-size:13.6px;color:rgba(255,255,255,.86);padding-left:15px;position:relative;}
.solcard li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;background:var(--red);border-radius:1px;transform:rotate(45deg);
}

/* ---------- 关于我们 ---------- */
.about{padding:clamp(64px,7vw,104px) 0;background:var(--white);}
.about__inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about__media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-2);position:relative;}
.about__media::before{
  content:"";position:absolute;left:0;top:0;width:96px;height:5px;
  background:var(--red);z-index:1;
}
.about__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.about__title{
  font-size:clamp(28px,3.2vw,42px);font-weight:800;color:var(--navy-800);
  letter-spacing:-.8px;line-height:1.2;
}
.about__lead{margin-top:18px;font-size:17.5px;line-height:1.8;color:var(--ink);font-weight:600;}
.about__text{margin-top:14px;font-size:15.4px;line-height:1.9;color:var(--ink-3);}
.about__points{margin:26px 0 32px;display:grid;gap:0;}
.about__points li{
  display:grid;grid-template-columns:104px 1fr;gap:14px;align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:14.8px;color:var(--ink-3);
}
.about__points b{font-size:15px;font-weight:800;color:var(--navy-700);position:relative;padding-left:14px;}
.about__points b::before{
  content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;
  background:var(--red);border-radius:1px;transform:rotate(45deg);
}

/* ---------- 新闻 ---------- */
.news{padding:clamp(64px,7vw,104px) 0;background:var(--paper);}
.news__tabs{display:flex;gap:10px;margin-bottom:26px;}
.tab{
  padding:11px 28px;font-size:14.8px;font-weight:700;color:var(--ink-3);
  background:#fff;border:1px solid var(--line);border-radius:2px;
  transition:all .22s var(--ease);
}
.tab:hover{border-color:var(--navy-400);color:var(--navy-700);}
.tab.is-on{background:var(--navy-700);color:#fff;border-color:var(--navy-700);}

.news__panel[hidden]{display:none;}
.news__list{display:grid;gap:12px;}
.news__list a{
  display:grid;grid-template-columns:126px 1fr;gap:26px;align-items:start;
  padding:24px 26px;background:#fff;
  border:1px solid var(--line);border-left:3px solid var(--navy-400);
  border-radius:var(--r-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-left-color .26s;
}
.news__list a:hover{transform:translateX(6px);box-shadow:var(--shadow-1);border-left-color:var(--red);}
.news__list time{font-family:var(--font-mono);font-size:13.5px;color:var(--ink-3);padding-top:4px;white-space:nowrap;}
.news__list h3{font-size:17.5px;font-weight:700;color:var(--navy-800);line-height:1.5;}
.news__list p{margin-top:8px;font-size:14.4px;color:var(--ink-3);line-height:1.7;}
.news__list a:hover h3{color:var(--red);}

/* ---------- 询价 / 联系 ---------- */
.contact{
  padding:clamp(64px,7vw,104px) 0;color:#fff;
  background:linear-gradient(120deg,var(--navy-900) 0%,var(--navy-700) 58%,var(--navy-600) 100%);
  position:relative;
}
.contact__inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}
.contact__title{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.6px;line-height:1.22;}
.contact__lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:430px;}
.contact__meta{margin-top:32px;display:grid;gap:16px;}
.contact__meta > div{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:baseline;}
.contact__meta dt{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.6px;}
.contact__meta dd{font-size:15.6px;color:#fff;}
.contact__meta dd a{font-family:var(--font-mono);color:#fff;font-weight:700;}
.contact__meta dd a:hover{color:#FF6A5E;text-decoration:underline;}

.contact__form{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:#fff;border-radius:var(--r-md);padding:32px;
  box-shadow:var(--shadow-3);
}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:13.6px;font-weight:700;color:var(--ink-2);}
.field label span{color:var(--red);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--ink);font-size:14.6px;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:88px;}
.field input::placeholder,.field textarea::placeholder{color:#9AA5B1;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy-400);background:#fff;
  box-shadow:0 0 0 3px rgba(46,107,176,.14);
}
.contact__actions{grid-column:1 / -1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px;}
.contact__hint{font-size:13.6px;color:var(--navy-500);}
.contact__hint.is-error{color:var(--red);}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--navy-900);color:rgba(255,255,255,.7);font-size:14px;}
.foot__top{
  display:grid;grid-template-columns:1.4fr 1.2fr auto;gap:40px;align-items:center;
  padding-block:42px;border-bottom:1px solid rgba(255,255,255,.12);
}
.foot__brand{display:flex;align-items:center;gap:15px;color:#fff;}
.foot__brand .brand__mark{width:52px;height:auto;}
.foot__brand strong{display:block;font-size:17px;letter-spacing:.3px;}
.foot__brand p{margin-top:6px;font-size:13px;color:rgba(255,255,255,.6);}
.foot__nav{display:flex;flex-wrap:wrap;gap:8px 22px;}
.foot__nav a{color:rgba(255,255,255,.82);transition:color .2s;}
.foot__nav a:hover{color:#fff;}
.foot__tel{text-align:right;}
.foot__tel span{display:block;font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.8px;}
.foot__tel a{font-family:var(--font-mono);font-size:23px;font-weight:700;color:#fff;transition:color .2s;}
.foot__tel a:hover{color:#FF6A5E;}
.foot__bottom{padding-block:22px;display:grid;gap:7px;}
.foot__bottom p{font-size:12.8px;color:rgba(255,255,255,.58);line-height:1.7;}
.foot__filing{opacity:.9;}
.foot__filing a{color:rgba(255,255,255,.72);text-decoration:none;transition:color .2s;}
.foot__filing a:hover{color:#fff;text-decoration:underline;}
.foot__sep{margin-inline:10px;color:rgba(255,255,255,.28);}

/* 页脚关键词内链区 */
.foot__links{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px;
  padding-block:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.foot__col-title{
  margin:0 0 14px;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:#fff;text-transform:uppercase;
}
.foot__col-list{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.foot__col-list a{
  font-size:13.4px;color:rgba(255,255,255,.6);text-decoration:none;
  transition:color .2s,padding-left .2s;
}
.foot__col-list a:hover{color:#fff;padding-left:4px;}
/* 桌面端：给右下角悬浮按钮留出空间，避免遮挡页脚联系方式 */
@media (min-width:761px){
  .foot__bottom{padding-bottom:132px;}
}

/* ---------- 悬浮工具 ---------- */
.float-tools{
  position:fixed;right:20px;bottom:26px;z-index:70;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-tools__tel{
  display:flex;align-items:center;gap:9px;
  padding:13px 20px;background:var(--red);color:#fff;
  font-weight:700;font-size:14.5px;border-radius:100px;
  font-family:var(--font-mono);
  box-shadow:0 12px 28px rgba(225,38,28,.34);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s;
}
.float-tools__tel svg{width:19px;height:19px;flex:0 0 auto;}
.float-tools__tel:hover{background:var(--red-600);transform:translateY(-2px);box-shadow:0 16px 34px rgba(225,38,28,.42);}
.float-tools__ask,
.float-tools__top{
  display:grid;place-items:center;width:46px;height:46px;
  background:var(--navy-700);color:#fff;border-radius:50%;
  box-shadow:0 10px 24px rgba(9,25,49,.28);
  transition:background .2s var(--ease),transform .2s var(--ease),opacity .28s var(--ease),visibility .28s;
}
.float-tools__ask svg{width:20px;height:20px;}
.float-tools__ask:hover{background:var(--navy-600);transform:translateY(-2px);}
.float-tools__top{
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:.5px;
  opacity:0;visibility:hidden;transform:translateY(10px);
}
.float-tools__top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.float-tools__top:hover{background:var(--navy-600);}

/* ---------- 入场动画 ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav{gap:16px;}
  .nav__list > li > a{padding:0 11px;font-size:15px;}
  .prod-grid{grid-template-columns:repeat(2,1fr);}
  .fact-gallery{grid-template-columns:repeat(3,1fr);}
  .fact-gallery__item--hero{grid-column:span 3;grid-row:auto;aspect-ratio:16/7;}
  .fact-gallery__item--wide{grid-column:span 3;aspect-ratio:16/6;}
  .fact-gallery__item--half{grid-column:span 3;aspect-ratio:16/7;}
  .sol-grid{grid-template-columns:repeat(2,1fr);}
  .fact-why{grid-template-columns:repeat(2,1fr);gap:0;}
  .fact-why__item{padding:26px 24px 0 0;}
  .fact-why__item:nth-child(3){padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:26px;}
  .fact-why__item:nth-child(4){border-top:1px solid var(--line);padding-top:26px;}
}

@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .36s var(--ease);
    box-shadow:0 16px 30px rgba(9,25,49,.10);
  }
  .nav.is-open{max-height:84vh;overflow-y:auto;}
  .nav__list{flex-direction:column;align-items:stretch;padding:8px 0;}
  .nav__list > li > a{line-height:1.4;padding:14px 24px;}
  .nav__list > li > a::after{display:none;}
  .nav__sub{
    position:static;opacity:1;visibility:visible;transform:none;
    border:0;box-shadow:none;background:var(--paper);
    padding:4px 12px 10px 24px;min-width:0;border-radius:0;
  }
  .nav__sub li a{padding:9px 12px;font-size:14.4px;}
  .btn--quote{margin:6px 24px 18px;align-self:flex-start;}
  .about__inner{grid-template-columns:1fr;gap:34px;}
  .about__media{order:-1;}
  .contact__inner{grid-template-columns:1fr;gap:34px;}
  .foot__top{grid-template-columns:1fr;gap:24px;text-align:left;}
  .foot__tel{text-align:left;}
  .foot__links{grid-template-columns:1fr;gap:26px;padding-block:28px;}
}

@media (max-width:760px){
  .wrap{padding-inline:18px;}
  .topbar__inner{min-height:0;padding-block:9px;gap:10px;}
  .topbar__meta{gap:12px;font-size:12.4px;flex-wrap:nowrap;min-width:0;}
  .topbar__meta li{min-width:0;}
  .topbar__meta li:nth-child(2){display:none;}
  .topbar__meta li:first-child{overflow:hidden;}
  .topbar__meta li:first-child span,
  .topbar__meta li:first-child{text-overflow:ellipsis;white-space:nowrap;}
  .topbar__tel{margin-left:auto;}
  .topbar__social{display:none;}

  .brand__mark{width:40px;height:auto;}
  .brand__text strong{font-size:17px;}
  .brand__text em{font-size:8px;letter-spacing:1.1px;}

  .hero__inner{padding-block:44px 48px;}
  .hero__eyebrow{margin-bottom:16px;font-size:13px;}
  .hero__lead{margin-top:18px;font-size:15px;}
  .hero__cta{gap:10px;margin-top:26px;}
  .hero__cta .btn{flex:1 1 100%;}
  .hero__spec{grid-template-columns:1fr;margin-top:26px;border-top:0;}
  .hero__spec li{display:flex;align-items:baseline;gap:10px;padding:11px 0 0;border-top:1px solid rgba(255,255,255,.16);}
  .hero__spec li + li{padding-left:0;border-left:0;}
  .hero__spec b{font-size:15px;white-space:nowrap;}
  .hero__spec span{margin-top:0;font-size:12.8px;}

  .statsbar__grid{grid-template-columns:repeat(2,1fr);}
  .statbox{padding:24px 12px;}
  .statbox + .statbox::before{display:none;}
  .statbox:nth-child(even){border-left:1px solid rgba(255,255,255,.14);}
  .statbox:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14);}
  .statbox svg{width:24px;height:24px;margin-bottom:10px;}

  .products,.factory,.solution,.about,.news,.contact{padding-block:56px;}
  .prod-grid{grid-template-columns:1fr;gap:18px;}
  .prodcard__media{padding:14px;}

  .fact-gallery{grid-template-columns:1fr 1fr;gap:10px;}
  .fact-gallery__item--hero{grid-column:span 2;aspect-ratio:16/9;}
  .fact-gallery__item--wide{grid-column:span 2;aspect-ratio:16/7;}
  .fact-gallery__item--half{grid-column:span 2;aspect-ratio:16/7;}
  .fact-gallery__item:not(.fact-gallery__item--hero):not(.fact-gallery__item--wide):not(.fact-gallery__item--half){aspect-ratio:1/1;}
  .fact-gallery__item figcaption{padding:26px 12px 11px;}
  .fact-gallery__item figcaption b{font-size:13.5px;}
  .fact-gallery__item--hero figcaption{padding:44px 18px 16px;}
  .fact-gallery__item--hero figcaption b{font-size:17px;}

  .fact-why{grid-template-columns:1fr;margin-top:40px;}
  .fact-why__item{padding:22px 0 0;}
  .fact-why__item + .fact-why__item{border-left:0;border-top:1px solid var(--line);padding-left:0;}

  .sol-grid{grid-template-columns:1fr;gap:14px;}

  .about__points li{grid-template-columns:1fr;gap:4px;padding:12px 0;}

  .news__tabs{gap:8px;}
  .tab{padding:10px 20px;font-size:13.8px;}
  .news__list a{grid-template-columns:1fr;gap:8px;padding:20px;}

  .contact__form{grid-template-columns:1fr;padding:24px 20px;gap:14px;}
  .contact__meta > div{grid-template-columns:1fr;gap:2px;}

  .foot__bottom{padding-bottom:180px;}

  .float-tools{right:14px;bottom:16px;}
  .float-tools__tel{padding:12px 16px;}
  .float-tools__tel span{display:none;}
}

@media (max-width:420px){
  .statbox__num{font-size:26px;}
  .fact-gallery{grid-template-columns:1fr;}
  .fact-gallery__item--hero{grid-column:auto;aspect-ratio:16/10;}
  .fact-gallery__item--wide,.fact-gallery__item--half{grid-column:auto;aspect-ratio:16/9;}
}

/* ---------- 打印 ---------- */
@media print{
  .topbar,.site-head,.float-tools,.hero__cta{display:none;}
  .hero{background:#fff;color:#000;}
  .hero__title,.hero__lead,.hero__spec b{color:#000;}
}