/* ============================================================
   宏远精密制造 · 官网主样式
   风格：浅色简约 / 大留白 / 精致排版（Apple 风格）
   主色：灰调钛蓝 Titanium Blue
   ============================================================ */

:root{
  /* 钛蓝色阶（主色 --brand，全站改色只需改这 6 行） */
  --brand:      #5B7A99;
  --brand-700:  #3F5A74;
  --brand-500:  #6E8CA8;
  --brand-100:  #DCE5EC;
  --brand-050:  #EEF2F6;
  --brand-tint: #F6F9FB;

  /* 中性色（Apple 灰阶） */
  --ink:    #1D1D1F;
  --ink-2:  #515154;
  --ink-3:  #86868B;
  --line:   rgba(0,0,0,.08);
  --line-2: rgba(0,0,0,.05);
  --bg:     #FFFFFF;
  --bg-soft:#F5F5F7;

  --radius:   20px;
  --radius-s: 14px;
  --max:      1180px;
  --nav-h:    52px;

  --shadow-s: 0 1px 2px rgba(0,0,0,.04), 0 4px 14px rgba(0,0,0,.04);
  --shadow-m: 0 10px 34px rgba(23,45,66,.10);
  --shadow-l: 0 24px 60px rgba(23,45,66,.14);

  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:var(--nav-h);}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","SF Pro Text","PingFang SC","Helvetica Neue","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,figure{margin:0;}
ul{padding:0;list-style:none;}

/* ---------- 版心 ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:120px 0;}
.section--soft{background:var(--bg-soft);}
.section--tint{background:var(--brand-tint);}

/* ---------- 排版 ---------- */
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.h2{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.16;font-weight:600;letter-spacing:-.018em;
}
.h3{font-size:20px;line-height:1.3;font-weight:600;letter-spacing:-.01em;}
.lead{
  font-size:clamp(16px,1.5vw,19px);line-height:1.68;color:var(--ink-2);
  max-width:64ch;
}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head .lead{margin-top:18px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .lead{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:980px;border:1px solid transparent;
  font-size:15px;font-weight:500;letter-spacing:.005em;
  cursor:pointer;transition:all .28s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(91,122,153,.28);}
.btn--primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 10px 26px rgba(91,122,153,.34);}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:rgba(91,122,153,.34);}
.btn--ghost:hover{background:var(--brand-050);border-color:var(--brand);}
.btn--light{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-s);}
.btn--light:hover{transform:translateY(-1px);box-shadow:var(--shadow-m);}
.btn .arw{transition:transform .28s var(--ease);}
.btn:hover .arw{transform:translateX(3px);}

/* ============================================================
   顶部导航
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.nav.is-stuck{border-bottom-color:var(--line-2);background:rgba(255,255,255,.86);}
.nav__inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:20px;}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__img{height:30px;width:auto;display:block;}
.logo__txt{font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1.1;}
.logo__txt small{display:block;font-size:9px;font-weight:500;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase;}

.nav__menu{display:flex;align-items:center;gap:2px;}
.nav__menu a{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:13.5px;color:var(--ink-2);transition:color .22s var(--ease),background .22s var(--ease);
}
.nav__menu a:hover{color:var(--ink);background:rgba(0,0,0,.04);}
.nav__menu a.is-active{color:var(--ink);font-weight:600;}

.nav__right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.lang{
  display:flex;align-items:center;padding:3px;border-radius:980px;
  background:var(--brand-050);border:1px solid var(--line-2);
}
.lang button{
  border:0;background:transparent;cursor:pointer;
  padding:5px 12px;border-radius:980px;font-size:12px;font-weight:600;
  color:var(--ink-3);letter-spacing:.04em;transition:all .22s var(--ease);
}
.lang button.is-on{background:#fff;color:var(--brand-700);box-shadow:0 1px 4px rgba(0,0,0,.10);}

.burger{display:none;width:34px;height:34px;border:0;background:transparent;cursor:pointer;padding:0;}
.burger span{display:block;width:18px;height:1.6px;margin:4px auto;background:var(--ink);border-radius:2px;transition:all .3s var(--ease);}
body.menu-open .burger span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
body.menu-open .burger span:nth-child(2){opacity:0;}
body.menu-open .burger span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}

/* ============================================================
   首屏 Hero
   ============================================================ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 72px) 0 88px;overflow:hidden;
  background:linear-gradient(178deg,#FAFCFD 0%,#F4F7FA 42%,#FFFFFF 100%);
}
.hero__deco{position:absolute;inset:0;pointer-events:none;}
.hero__glow{
  position:absolute;width:min(880px,110vw);height:min(880px,110vw);border-radius:50%;
  top:-38%;right:-18%;
  background:radial-gradient(circle,rgba(91,122,153,.20) 0%,rgba(91,122,153,.06) 42%,transparent 68%);
}
.hero__glow2{
  position:absolute;width:min(620px,90vw);height:min(620px,90vw);border-radius:50%;
  bottom:-30%;left:-14%;
  background:radial-gradient(circle,rgba(110,140,168,.16) 0%,transparent 66%);
}
.hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(91,122,153,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(91,122,153,.055) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 46%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 78% 62% at 50% 46%,#000 20%,transparent 78%);
}
.hero__rings{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(680px,58vw);opacity:.5;}
.hero__rings line,.hero__rings circle,.hero__rings path{stroke:var(--brand);fill:none;}

/* ---------- 首屏视觉 ---------- */
.hero__split{display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center;}
.hero__visual{position:relative;}
.hero__visual img{
  width:100%;display:block;border-radius:26px;
  box-shadow:0 30px 74px rgba(23,45,66,.24);
}
.hero__visual::after{
  content:"";position:absolute;inset:0;border-radius:26px;pointer-events:none;
  background:linear-gradient(186deg,transparent 52%,rgba(23,45,66,.34));
}
.hero__cap{
  position:absolute;left:26px;bottom:22px;z-index:2;color:#fff;
  font-size:13px;letter-spacing:.02em;line-height:1.5;
}
.hero__cap b{display:block;font-size:15px;font-weight:600;margin-bottom:3px;}
.hero__cap span{opacity:.82;}

.hero__inner{position:relative;z-index:2;width:100%;}
.hero__stage{max-width:900px;}
.hero__slide{
  position:absolute;top:0;left:0;width:100%;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .7s var(--ease),transform .7s var(--ease),visibility .7s;
}
.hero__slide.is-on{position:relative;opacity:1;visibility:visible;transform:none;}
.hero__kicker{
  font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand);margin-bottom:22px;
}
.hero__title{
  font-size:clamp(38px,7vw,76px);line-height:1.08;font-weight:600;letter-spacing:-.03em;
  color:var(--ink);
}
.hero__title em{
  font-style:normal;
  background:linear-gradient(94deg,var(--brand-700),var(--brand-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__desc{
  margin-top:26px;font-size:clamp(16px,1.7vw,20px);line-height:1.66;
  color:var(--ink-2);max-width:56ch;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.hero__dots{display:flex;gap:9px;margin-top:52px;}
.hero__dots button{
  width:26px;height:3px;border:0;padding:0;border-radius:3px;cursor:pointer;
  background:rgba(91,122,153,.24);transition:all .4s var(--ease);
}
.hero__dots button.is-on{background:var(--brand);width:44px;}

/* ============================================================
   关于我们
   ============================================================ */
.about-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.acard{
  position:relative;padding:0;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
  display:flex;flex-direction:column;overflow:hidden;
}
.acard__img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
.acard__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.acard::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-500));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
  z-index:3;
}
.acard:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:transparent;}
.acard:hover::after{transform:scaleX(1);}
.acard__no{
  position:absolute;right:20px;top:18px;z-index:2;
  font-size:11px;font-weight:600;color:#fff;letter-spacing:.06em;
  padding:3px 9px;border-radius:6px;background:rgba(29,29,31,.34);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.acard h3{font-size:17px;font-weight:600;letter-spacing:-.01em;margin-bottom:10px;}
.acard p{font-size:14px;line-height:1.68;color:var(--ink-2);}
.acard__more{
  margin-top:auto;padding-top:18px;font-size:13px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.acard__more svg{width:14px;height:14px;transition:transform .3s var(--ease);}
.acard:hover .acard__more svg{transform:translateX(4px);}

/* 数据看板 */
.facts{
  margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,var(--brand-700),var(--brand) 58%,var(--brand-500));
  box-shadow:0 18px 46px rgba(63,90,116,.26);
}
.facts__i{padding:38px 28px;text-align:center;position:relative;}
.facts__i+.facts__i::before{
  content:"";position:absolute;left:0;top:26%;bottom:26%;width:1px;
  background:rgba(255,255,255,.22);
}
.facts__n{font-size:clamp(30px,3.4vw,42px);font-weight:600;color:#fff;letter-spacing:-.02em;line-height:1;}
.facts__n sup{font-size:.46em;font-weight:500;margin-left:3px;vertical-align:super;letter-spacing:0;}
.facts__l{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.82);letter-spacing:.02em;}

/* ============================================================
   产品中心
   ============================================================ */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pcard{
  position:relative;padding:0;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);}
.pcard__ph{
  width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:#F3F4F6;
  transition:transform .55s var(--ease);
}
.pcard:hover .pcard__ph{transform:scale(1.05);}
.pcard__phwrap{overflow:hidden;}
.pcard__body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.pcard h3{position:relative;font-size:16.5px;font-weight:600;letter-spacing:-.01em;}
.pcard__en{position:relative;display:block;font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-top:6px;}
.pcard p{position:relative;margin-top:12px;font-size:13.5px;line-height:1.65;color:var(--ink-2);}

/* ============================================================
   核心优势
   ============================================================ */
.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.adv__i{
  display:flex;gap:22px;padding:34px 30px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.adv__i:hover{transform:translateY(-4px);box-shadow:var(--shadow-s);}
.adv__no{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  border:1.4px solid var(--brand-100);display:grid;place-items:center;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.adv__b h3{font-size:17px;font-weight:600;margin-bottom:10px;letter-spacing:-.01em;}
.adv__b p{font-size:14px;line-height:1.7;color:var(--ink-2);}

/* ============================================================
   新闻资讯
   ============================================================ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.ncard{
  display:flex;flex-direction:column;padding:30px 26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.ncard__meta{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.ncard__tag{
  font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--brand-700);
  background:var(--brand-050);padding:4px 10px;border-radius:6px;
}
.ncard__date{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}
.ncard h3{font-size:16.5px;font-weight:600;line-height:1.42;letter-spacing:-.01em;}
.ncard p{margin-top:12px;font-size:13.5px;line-height:1.66;color:var(--ink-2);}
.ncard__link{
  margin-top:auto;padding-top:22px;font-size:13px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.ncard__link svg{width:14px;height:14px;transition:transform .3s var(--ease);}
.ncard:hover .ncard__link svg{transform:translateX(4px);}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.cinfo__list{margin-top:8px;}
.cinfo__i{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line-2);}
.cinfo__i:first-child{border-top:1px solid var(--line-2);}
.cinfo__ico{
  flex-shrink:0;width:40px;height:40px;border-radius:11px;background:var(--brand-050);
  display:grid;place-items:center;
}
.cinfo__ico svg{width:19px;height:19px;stroke:var(--brand-700);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.cinfo__b dt{font-size:12px;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;}
.cinfo__b dd{margin:0;font-size:15.5px;font-weight:500;line-height:1.56;color:var(--ink);}
.cinfo__b dd span{display:block;font-weight:400;font-size:13.5px;color:var(--ink-3);margin-top:3px;}

.form{
  padding:38px 36px 40px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-s);
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;position:relative;}
.field label{
  display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);
  margin-bottom:8px;letter-spacing:.02em;
}
.field label i{font-style:normal;color:#C4553F;}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border-radius:12px;
  border:1px solid rgba(0,0,0,.12);background:#FCFCFD;
  font-size:14.5px;color:var(--ink);outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.62;}
.field input::placeholder,.field textarea::placeholder{color:#A1A1A6;}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(91,122,153,.13);
}
.field.is-bad input,.field.is-bad textarea{border-color:#D98070;background:#FFF9F8;}
.field__err{display:none;font-size:12px;color:#C4553F;margin-top:6px;}
.field.is-bad .field__err{display:block;}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

.form__foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:6px;}
.form__tip{font-size:12.5px;color:var(--ink-3);line-height:1.6;max-width:34ch;}
.form__msg{display:none;margin-top:18px;padding:14px 16px;border-radius:12px;font-size:13.5px;line-height:1.6;}
.form__msg.is-ok{display:block;background:#F1F7F2;color:#2F6B45;border:1px solid #D6E9DC;}
.form__msg.is-no{display:block;background:#FDF4F2;color:#A9422E;border:1px solid #F2DCD6;}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none!important;}

/* ============================================================
   页脚
   ============================================================ */
.footer{background:var(--bg-soft);border-top:1px solid var(--line-2);padding:72px 0 34px;}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;}
.footer__desc{margin-top:18px;font-size:13.5px;line-height:1.72;color:var(--ink-2);max-width:38ch;}
.footer h4{font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:18px;}
.footer li{margin-bottom:11px;}
.footer li a{font-size:13.5px;color:var(--ink-2);transition:color .22s var(--ease);}
.footer li a:hover{color:var(--brand-700);}
.footer__bot{
  margin-top:56px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-3);
}
.footer__bot a:hover{color:var(--brand-700);}

/* ============================================================
   入场动画
   ============================================================ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.rv.is-in{opacity:1;transform:none;}
.rv.d1{transition-delay:.08s;}
.rv.d2{transition-delay:.16s;}
.rv.d3{transition-delay:.24s;}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .section{padding:96px 0;}
  .about-grid,.products-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .facts{grid-template-columns:repeat(2,1fr);}
  .facts__i:nth-child(3)::before,.facts__i:nth-child(odd)::before{display:none;}
  .facts__i:nth-child(3),.facts__i:nth-child(4){border-top:1px solid rgba(255,255,255,.18);}
  .contact-grid{grid-template-columns:1fr;gap:44px;}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .nav__menu{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line-2);padding:10px 16px 22px;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:all .3s var(--ease);
  }
  body.menu-open .nav__menu{transform:none;opacity:1;visibility:visible;}
  .nav__menu a{padding:13px 12px;font-size:15px;}
  .burger{display:block;}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 56px) 0 72px;}
  .hero__rings{display:none;}
  .section{padding:76px 0;}
  .about-grid,.products-grid,.news-grid,.adv{grid-template-columns:1fr;}
  .adv__i{padding:26px 22px;gap:16px;}
  .facts{grid-template-columns:repeat(2,1fr);}
  .facts__i{padding:28px 16px;}
  .form{padding:28px 22px 30px;}
  .form__row{grid-template-columns:1fr;gap:0;}
  .section-head{margin-bottom:40px;}
  .footer{padding:56px 0 28px;}
  .footer__top{grid-template-columns:1fr;gap:32px;}
  .hero__dots{margin-top:36px;}
}

/* ============================================================
   智能制造 · 生产流程
   ============================================================ */
.flow{
  display:flex;flex-wrap:wrap;gap:10px 8px;align-items:center;
  padding:28px 26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);
}
.flow__s{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px 9px 12px;border-radius:980px;
  background:var(--brand-tint);border:1px solid var(--brand-100);
  font-size:13.5px;color:var(--ink);font-weight:500;
}
.flow__s i{
  font-style:normal;font-size:11px;font-weight:700;color:#fff;
  width:20px;height:20px;border-radius:50%;background:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
}
.flow__a{color:var(--brand);font-size:14px;line-height:1;opacity:.7;padding:0 2px;}

/* 智造要点 */
.mfg{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px;}
.mfg__i{
  padding:28px 26px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line-2);transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.mfg__i:hover{transform:translateY(-4px);box-shadow:var(--shadow-s);}
.mfg__i h3{font-size:16.5px;font-weight:600;margin-bottom:12px;letter-spacing:-.01em;}
.mfg__i p{font-size:13.5px;line-height:1.7;color:var(--ink-2);}
.mfg__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.mfg__tags span{
  font-size:12px;color:var(--brand-700);background:var(--brand-050);
  padding:5px 11px;border-radius:7px;
}

/* ============================================================
   应用领域
   ============================================================ */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.app{
  padding:28px 24px 26px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line-2);display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.app:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.app__ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-050);
  display:grid;place-items:center;margin-bottom:18px;
}
.app__ico svg{width:22px;height:22px;stroke:var(--brand-700);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.app h3{font-size:16.5px;font-weight:600;letter-spacing:-.01em;}
.app__en{display:block;font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-top:5px;}
.app__k{font-size:12px;font-weight:600;color:var(--brand-700);margin:18px 0 6px;letter-spacing:.04em;}
.app p{font-size:13px;line-height:1.66;color:var(--ink-2);}

/* ============================================================
   发展历程
   ============================================================ */
.tl{position:relative;max-width:860px;}
.tl::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-100),var(--brand));
}
.tl__i{position:relative;padding:0 0 30px 40px;}
.tl__i:last-child{padding-bottom:0;}
.tl__i::before{
  content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(91,122,153,.10);
}
.tl__i--next::before{border-style:dashed;background:var(--brand-050);}
.tl__y{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.06em;}
.tl__t{font-size:17px;font-weight:600;margin-top:3px;letter-spacing:-.01em;}
.tl__d{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.7;max-width:62ch;}

/* ============================================================
   资质证书
   ============================================================ */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cert{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.cert:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.cert__ph{
  width:100%;aspect-ratio:4/3;object-fit:contain;display:block;
  background:#F7F8FA;padding:14px;
}
.cert__b{padding:16px 18px 20px;border-top:1px solid var(--line-2);}
.cert__b h3{font-size:15px;font-weight:600;letter-spacing:-.01em;}
.cert__b p{font-size:12.5px;color:var(--ink-3);margin-top:5px;}

/* ============================================================
   新增区块响应式
   ============================================================ */
@media (max-width:1024px){
  .mfg{grid-template-columns:1fr 1fr;}
  .apps{grid-template-columns:repeat(2,1fr);}
  .hero__split{gap:40px;}
}
@media (max-width:768px){
  .hero__split{grid-template-columns:1fr;gap:34px;}
  .hero__visual{order:-1;}
  .hero__visual img{border-radius:18px;}
  .hero__cap{left:16px;bottom:14px;font-size:12px;}
  .mfg{grid-template-columns:1fr;}
  .apps{grid-template-columns:1fr;}
  .certs{grid-template-columns:1fr;}
  .flow{padding:20px 18px;gap:8px 6px;}
  .flow__a{display:none;}
  .tl__i{padding-left:34px;}
  .logo__img{height:26px;}
}

/* ============================================================
   首屏旗标 / 视频 / 规格 / 资质 / 微信
   ============================================================ */
.hero__flags{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px;}
.hero__flag{
  font-size:12px;font-weight:500;color:var(--brand-700);
  background:rgba(255,255,255,.7);border:1px solid var(--brand-100);
  padding:6px 13px;border-radius:980px;letter-spacing:.02em;
}

/* 视频 */
.video{max-width:960px;margin:56px auto 0;position:relative;}
.video__frame{
  position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-m);aspect-ratio:16/9;background:#000;
}
.video__poster{width:100%;height:100%;object-fit:cover;display:block;opacity:.86;}
.video__play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.22);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:grid;place-items:center;transition:transform .3s var(--ease),background .3s;
}
.video__play svg{width:34px;height:34px;margin-left:4px;}
.video__frame:hover .video__play{transform:translate(-50%,-50%) scale(1.08);background:rgba(255,255,255,.32);}
.video__cap{position:absolute;left:24px;bottom:20px;color:#fff;line-height:1.45;}
.video__cap b{display:block;font-size:17px;font-weight:600;}
.video__cap span{font-size:12.5px;opacity:.82;}
.video__player{display:none;width:100%;border-radius:var(--radius);box-shadow:var(--shadow-m);aspect-ratio:16/9;background:#000;}
.video.is-play .video__frame{display:none;}
.video.is-play .video__player{display:block;}

/* 产品规格参考 */
.prod-spec{
  margin-top:44px;padding:34px 34px 30px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line-2);
}
.prod-spec h3{font-size:17px;font-weight:600;margin-bottom:20px;letter-spacing:-.01em;}
.prod-spec__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.prod-spec__i{padding:0 18px;border-left:2px solid var(--brand-100);}
.prod-spec__i b{display:block;font-size:12px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:6px;}
.prod-spec__i span{font-size:14.5px;font-weight:500;color:var(--ink);}
.prod-spec__note{margin-top:20px;font-size:12.5px;color:var(--ink-3);}

/* 资质徽章 */
.quality-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px;}
.qb{
  padding:24px 22px;border-radius:var(--radius-s);text-align:center;
  background:linear-gradient(135deg,var(--brand-050),var(--brand-tint));
  border:1px solid var(--brand-100);
}
.qb b{display:block;font-size:16px;font-weight:600;color:var(--brand-700);letter-spacing:-.01em;}
.qb span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:6px;}

/* 微信二维码 */
.wechat{
  display:flex;align-items:center;gap:18px;margin-top:24px;
  padding:20px;border-radius:var(--radius);background:var(--brand-tint);border:1px solid var(--brand-100);
}
.wechat__qr{
  width:96px;height:96px;flex-shrink:0;border-radius:12px;overflow:hidden;
  background:#fff;border:1px solid var(--line-2);position:relative;
  display:grid;place-items:center;
}
.wechat__qr img{width:100%;height:100%;object-fit:contain;display:block;}
.wechat__qr--empty img{display:none;}
.wechat__empty{display:none;font-size:11px;color:var(--ink-3);text-align:center;padding:6px;line-height:1.5;}
.wechat__qr--empty .wechat__empty{display:block;}
.wechat__t b{display:block;font-size:15px;font-weight:600;letter-spacing:-.01em;}
.wechat__t span{display:block;font-size:12.5px;color:var(--ink-2);margin-top:4px;}

/* 页脚 logo 反色处理 */
.logo__img--light{opacity:.92;}

/* 响应式补充 */
@media (max-width:1024px){
  .prod-spec__grid{grid-template-columns:repeat(2,1fr);gap:20px 14px;}
  .quality-badges{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .prod-spec{padding:26px 20px;}
  .prod-spec__grid{grid-template-columns:1fr 1fr;}
  .wechat{flex-direction:column;text-align:center;}
}

/* ============================================================
   专利证书墙（横向滑动）
   ============================================================ */
.patents{margin-top:44px;}
.patents__head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap;}
.patents__head h3{font-size:17px;font-weight:600;margin:0;letter-spacing:-.01em;}
.patents__head span{font-size:12.5px;color:var(--ink-3);}
.patents__row{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(215px,1fr);gap:16px;
  overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;
}
.patents__row::-webkit-scrollbar{height:6px;}
.patents__row::-webkit-scrollbar-thumb{background:var(--brand-100);border-radius:3px;}
.patents__row::-webkit-scrollbar-track{background:transparent;}
.patents__i{
  margin:0;background:#fff;border:1px solid var(--line-2);
  border-radius:var(--radius-s);overflow:hidden;scroll-snap-align:start;
}
.patents__i img{
  width:100%;aspect-ratio:4/3;object-fit:contain;background:#F7F8FA;padding:10px;
  display:block;transition:transform .4s var(--ease);
}
.patents__i:hover img{transform:scale(1.04);}
.patents__more{font-size:12px;color:var(--ink-3);margin-top:8px;}
@media (max-width:768px){.patents__row{grid-auto-columns:158px;}}

/* 产品中心双列（两大核心板块） */
.products-grid--2{grid-template-columns:repeat(2,1fr);}
.products-grid--2 .pcard__ph{aspect-ratio:16/10;}
@media (max-width:1024px){.products-grid--2{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.products-grid--2{grid-template-columns:1fr;}}