/* ==========================================================================
   遵义市富园建材有限公司 — 站点样式
   ========================================================================== */

:root{
  --ink:#0D1013;
  --ink-2:#151A1F;
  --stone-900:#20262B;
  --stone-800:#2C343A;
  --stone-700:#3D464D;
  --stone-500:#6F7A81;
  --stone-400:#939CA2;
  --stone-300:#C2C8CB;
  --paper:#F5F3EF;
  --paper-2:#EBE7E0;
  --paper-3:#DFD9D0;
  --brick:#C0502F;
  --brick-2:#D96A43;
  --brick-dim:rgba(192,80,47,.14);
  --line:rgba(13,16,19,.12);
  --line-dark:rgba(255,255,255,.13);
  --wrap:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:0}
/* 焦点可见：键盘用户唯一的位置指示，全站统一 */
:focus-visible{outline:2px solid #227E9E;outline-offset:2px}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:2px solid #227E9E;outline-offset:3px}
/* 数字对齐规格表与数据行 */
.pd-specs span,.stat-row strong,.hero-stats strong{font-variant-numeric:tabular-nums}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
::selection{background:var(--brick);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.wrap-wide{max-width:1480px}

/* ---------- 通用元素 ---------- */
.eyebrow{
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  font-weight:700;color:var(--brick);display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;flex:none}
.sec-num{font-size:11px;letter-spacing:.22em;color:var(--stone-500);font-weight:700}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;transition:.35s var(--ease);white-space:nowrap;
}
.btn svg{width:15px;height:15px;flex:none;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brick);color:#fff}
.btn-primary:hover{background:#A9421F;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.55)}
.btn-dark{border-color:var(--line);color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

.sec{padding:110px 0;position:relative}
.sec-sm{padding:80px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:56px}
.sec-head h2{font-size:clamp(28px,3.4vw,46px);max-width:19em}
.sec-head .lead{max-width:420px;color:var(--stone-700);font-size:15px;line-height:1.85}
.dark{background:var(--ink);color:#fff}
.dark .sec-head .lead{color:var(--stone-300)}
.dark .eyebrow{color:var(--brick-2)}
.dark .sec-num{color:var(--stone-500)}

/* ---------- 顶部 ---------- */
.topbar{
  background:var(--ink);color:rgba(255,255,255,.72);
  font-size:12.5px;letter-spacing:.02em;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:20px}
.topbar .tb-left{display:flex;align-items:center;gap:9px}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:#5FBF7F}
.topbar .tb-right{display:flex;align-items:center;gap:22px}
.topbar a:hover{color:#fff}

.site-head{position:sticky;top:0;z-index:90;background:rgba(245,243,239,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.4s var(--ease)}
.site-head.is-scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:32px}
.logo{display:flex;align-items:center;gap:13px;flex:none}
.logo-mark{width:34px;height:34px;color:var(--brick);flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.1}
.logo-cn{font-size:18px;font-weight:800;letter-spacing:.04em}
.logo-en{font-size:9px;letter-spacing:.2em;color:var(--stone-500);font-weight:700;margin-top:4px}

.menu{display:flex;align-items:center;gap:6px}
.menu a{
  padding:9px 15px;font-size:15px;font-weight:600;color:var(--stone-800);
  position:relative;transition:color .25s;
}
.menu a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--brick);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.menu a:hover{color:var(--ink)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu a.on{color:var(--brick)}

.nav-cta{display:flex;align-items:center;gap:16px;flex:none}
.tel-box{display:flex;flex-direction:column;align-items:flex-end;line-height:1.25}
.tel-box span{font-size:10.5px;color:var(--stone-500);letter-spacing:.12em;font-weight:700}
.tel-box strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.nav-cta .btn{padding:12px 22px;font-size:14px}

.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex:none}
.burger span{display:block;width:22px;height:2px;background:var(--ink);position:relative;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:.3s}
.burger span::before{top:-7px}.burger span::after{top:7px}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{top:0;transform:rotate(45deg)}
body.menu-open .burger span::after{top:0;transform:rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;background:var(--ink);color:#fff;z-index:95;
  padding:100px 28px 40px;display:flex;flex-direction:column;gap:4px;
  transform:translateY(-100%);transition:transform .5s var(--ease);
}
body.menu-open .mobile-menu{transform:translateY(0)}
.mobile-menu a{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:19px;font-weight:700}
.mobile-menu a small{display:block;font-size:11px;letter-spacing:.2em;color:var(--stone-500);font-weight:600;margin-top:4px}
.mobile-menu .mm-foot{margin-top:auto;padding-top:28px;color:var(--stone-300);font-size:14px}
.mobile-menu .mm-foot strong{display:block;font-size:26px;color:#fff;letter-spacing:.02em;margin-bottom:6px}
.mm-close{position:absolute;top:26px;right:24px;width:44px;height:44px;color:#fff;font-size:26px;line-height:1}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:72px 0 0}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(192,80,47,.30), transparent 62%),
    radial-gradient(760px 520px at 6% 108%, rgba(120,140,155,.16), transparent 64%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 60% 40%,#000,transparent 78%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center}

.hero-copy .eyebrow{color:var(--brick-2);margin-bottom:26px}
.hero h1{
  font-size:clamp(34px,4.6vw,62px);letter-spacing:0;line-height:1.12;
  font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--brick-2)}
.hero-sub{
  margin-top:26px;max-width:520px;color:rgba(255,255,255,.74);
  font-size:16px;line-height:1.9;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags span{
  font-size:12.5px;font-weight:600;padding:6px 12px;border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.82);letter-spacing:.02em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-stats{display:flex;gap:44px;margin-top:52px;padding-top:30px;border-top:1px solid rgba(255,255,255,.13)}
.hero-stats div strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1}
.hero-stats div strong span{font-size:inherit;color:inherit;display:inline;margin:0;line-height:1}
.hero-stats div strong i{font-style:normal;font-size:15px;color:var(--brick-2);margin-left:4px}
.hero-stats div > span{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.06em;display:block;margin-top:8px}

/* 首屏拼图 */
.hero-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:100%;min-height:540px}
.hero-mosaic figure{margin:0;position:relative;overflow:hidden;background:var(--stone-900)}
.hero-mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);opacity:.92}
.hero-mosaic figure:hover img{transform:scale(1.05);opacity:1}
.hero-mosaic figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.55));
  opacity:.7;transition:.4s;
}
.hero-mosaic figure:hover::after{opacity:.35}
.hero-mosaic figcaption{
  position:absolute;left:14px;bottom:12px;z-index:2;font-size:12px;font-weight:600;
  letter-spacing:.06em;color:rgba(255,255,255,.9);
}
.hero-mosaic figure:nth-child(1){grid-row:span 1}

.hero-strip{position:relative;margin-top:64px;height:88px;overflow:hidden;border-top:1px solid rgba(255,255,255,.1)}
.hero-strip img{width:100%;height:100%;object-fit:cover;object-position:center 40%;opacity:.85}
.hero-strip::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 0%,transparent 18%,transparent 82%,var(--ink) 100%)}

/* ---------- 跑马灯 ---------- */
.ticker{background:var(--brick);color:#fff;overflow:hidden;padding:13px 0}
.ticker-track{display:flex;gap:0;width:max-content;animation:tick 42s linear infinite}
.ticker span{
  font-size:13.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  padding:0 26px;display:flex;align-items:center;gap:26px;white-space:nowrap;
}
.ticker span::after{content:"";width:4px;height:4px;background:rgba(255,255,255,.5);border-radius:50%}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 产品网格 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{
  background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;
  transition:.4s var(--ease);position:relative;overflow:hidden;
}
.prod-card:hover{transform:translateY(-4px);border-color:rgba(192,80,47,.45)}
.prod-card .pc-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--paper-2)}
.prod-card .pc-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.prod-card:hover .pc-media img{transform:scale(1.06)}
.pc-no{
  position:absolute;top:12px;left:12px;z-index:2;background:rgba(13,16,19,.72);
  color:#fff;font-size:11px;font-weight:800;letter-spacing:.1em;padding:4px 8px;
  backdrop-filter:blur(4px);
}
.pc-body{padding:24px;display:flex;flex-direction:column;flex:1}
.pc-body h3{font-size:19.5px;letter-spacing:0}
.pc-en{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone-500);font-weight:700;margin-top:6px}
.pc-body p{font-size:13.5px;color:var(--stone-700);line-height:1.85;margin-top:12px;flex:1}
.pc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.pc-tags{display:flex;gap:6px;flex-wrap:wrap}
.pc-tags i{font-style:normal;font-size:11px;color:var(--stone-500);background:var(--paper);padding:3px 8px;letter-spacing:.02em}
.pc-more{font-size:12.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:5px;flex:none;transition:color .3s}
.prod-card:hover .pc-more{color:var(--brick)}
.pc-more svg{width:12px;height:12px;transition:transform .3s}
.prod-card:hover .pc-more svg{transform:translateX(3px)}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
.adv{background:var(--ink);padding:32px 32px 40px;transition:.4s var(--ease)}
.adv:hover{background:var(--ink-2)}
.adv .an{font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--brick-2)}
.adv h3{font-size:19px;margin-top:16px;letter-spacing:0}
.adv p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.85;margin-top:12px}

/* ---------- 场景 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:230px;gap:14px}
.bento figure{margin:0;position:relative;overflow:hidden;background:var(--stone-900)}
.bento figure img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.bento figure:hover img{transform:scale(1.06)}
.bento figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 34%,rgba(0,0,0,.78) 100%);
}
.bento figcaption{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;color:#fff}
.bento figcaption strong{display:block;font-size:17px;font-weight:800;letter-spacing:.02em}
.bento figcaption span{font-size:12px;color:rgba(255,255,255,.68);letter-spacing:.04em}
.bento .b-2x2{grid-column:span 2;grid-row:span 2}
.bento .b-1x2{grid-column:span 1;grid-row:span 2}

/* ---------- 视频 / 实力 ---------- */
.fact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.fact-media{position:relative;overflow:hidden;background:var(--stone-900)}
.fact-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.fact-play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(13,16,19,.28);transition:.4s;
}
.fact-play:hover{background:rgba(13,16,19,.14)}
.fact-play i{
  width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;
  transition:.35s var(--ease);
}
.fact-play:hover i{transform:scale(1.08);background:#fff}
.fact-play svg{width:22px;height:22px;fill:var(--brick);margin-left:4px}
.fact-list{margin-top:34px;display:grid;gap:1px;background:rgba(255,255,255,.12)}
.fact-list div{background:var(--ink);padding:20px 4px;display:flex;gap:20px;align-items:baseline;border-bottom:1px solid rgba(255,255,255,.07)}
.fact-list strong{font-size:13px;color:var(--brick-2);font-weight:800;letter-spacing:.1em;flex:none;width:74px}
.fact-list p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;text-align:left;font-size:17px;font-weight:700;letter-spacing:0;
  transition:color .3s;
}
.faq-q:hover{color:var(--brick)}
.faq-q i{
  flex:none;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;
  color:var(--stone-500);transition:.35s var(--ease);
}
.faq-item.open .faq-q i{background:var(--brick);border-color:var(--brick);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq-a p{padding:0 60px 28px 0;color:var(--stone-700);font-size:14.5px;line-height:1.9}
.faq-item.open .faq-a{max-height:400px}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--brick);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;
}
.cta-inner{position:relative;padding:72px 28px;display:flex;align-items:center;justify-content:space-between;gap:56px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(26px,3vw,40px);letter-spacing:0}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.82);font-size:15px;max-width:46em}
.cta-acts{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--brick)}
.cta-band .btn-primary:hover{background:var(--ink);color:#fff}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5)}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.66);padding:72px 0 0;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:52px;padding-bottom:56px}
.foot-brand .logo{margin-bottom:22px}
.foot-brand .logo-cn{color:#fff}
.foot-brand p{line-height:1.9;max-width:34em}
.foot-col h4{color:#fff;font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px;font-weight:800}
.foot-col li{margin-bottom:12px}
.foot-col a:hover{color:#fff}
.foot-contact li{display:flex;gap:10px;margin-bottom:16px;line-height:1.6}
.foot-contact b{color:rgba(255,255,255,.56);font-weight:600;flex:none}
.foot-contact strong{color:#fff;font-size:17px;letter-spacing:0}
.foot-bot{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;
  justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.56);
}
.foot-bot a:hover{color:rgba(255,255,255,.8)}
.foot-bot .icp{color:rgba(255,255,255,.56);text-decoration:none;font-variant-numeric:tabular-nums}

/* ---------- 移动端悬浮条 ---------- */
.m-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:9px 12px calc(9px + env(safe-area-inset-bottom));
  gap:9px;
}
.m-bar a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
  height:48px;font-size:14px;font-weight:800;letter-spacing:.02em;
}
.m-bar .mb-call{background:var(--brick);color:#fff}
.m-bar .mb-call:active{background:#A9421F}
.m-bar .mb-map{
  border:1.5px solid var(--brick);color:var(--brick);background:var(--brick-dim);
}
.m-bar .mb-map:active{background:rgba(192,80,47,.22)}
.m-bar .mb-wx{border:1.5px solid var(--ink);color:var(--ink)}
.m-bar svg{width:16px;height:16px;flex:none}

/* ---------- 内页通用 ---------- */
.page-head{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:72px 0 64px}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 380px at 82% 0%, rgba(192,80,47,.26), transparent 66%);
}
.page-head .wrap{position:relative}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:rgba(255,255,255,.58);letter-spacing:.04em}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;opacity:.4}
.page-head h1{font-size:clamp(30px,4vw,50px);margin-top:20px;letter-spacing:0}
.page-head .ph-sub{margin-top:16px;color:rgba(255,255,255,.68);max-width:60em;font-size:15px;line-height:1.9}

.breadcrumb-bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.6)}
.breadcrumb-bar .wrap{display:flex;gap:9px;align-items:center;height:52px;font-size:13px;color:var(--stone-500)}
.breadcrumb-bar a:hover{color:var(--ink)}
.breadcrumb-bar i{font-style:normal;opacity:.5}

/* 产品列表页 */
.cat-block{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.cat-row{
  display:grid;grid-template-columns:110px 1fr 300px;gap:40px;align-items:center;
  padding:32px 0;border-bottom:1px solid var(--line);transition:.4s var(--ease);
}
.cat-row:hover{background:rgba(255,255,255,.7);padding-left:18px;padding-right:18px}
.cat-row .cr-no{font-size:34px;font-weight:800;color:var(--paper-3);letter-spacing:-.02em;line-height:1}
.cat-row .cr-main h3{font-size:21px;letter-spacing:0}
.cat-row .cr-main .en{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone-500);font-weight:700;margin-top:5px}
.cat-row .cr-main p{font-size:14px;color:var(--stone-700);margin-top:12px;line-height:1.8;max-width:52em}
.cat-row .cr-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.cat-row .cr-tags i{font-style:normal;font-size:11.5px;color:var(--stone-500);background:var(--paper-2);padding:3px 9px}
.cat-row .cr-thumb{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2)}
.cat-row .cr-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.cat-row:hover .cr-thumb img{transform:scale(1.07)}

/* 产品详情页 */
.pd-top{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;padding-top:64px;padding-bottom:64px;align-items:start}
.pd-gallery .main{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2);border:1px solid var(--line)}
.pd-gallery .main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.pd-thumbs button{aspect-ratio:3/2;overflow:hidden;border:1px solid transparent;padding:0;background:var(--paper-2);opacity:.66;transition:.3s}
.pd-thumbs button.on,.pd-thumbs button:hover{opacity:1;border-color:var(--brick)}
.pd-thumbs img{width:100%;height:100%;object-fit:cover}
.pd-info .eyebrow{margin-bottom:18px}
.pd-info h1{font-size:clamp(26px,3vw,38px);letter-spacing:0}
.pd-info .pd-en{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--stone-500);font-weight:700;margin-top:10px}
.pd-info .pd-desc{margin-top:22px;color:var(--stone-700);font-size:15px;line-height:1.95}
.pd-specs{margin-top:30px;border-top:1px solid var(--line)}
.pd-specs div{display:flex;gap:18px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.pd-specs b{flex:none;width:96px;color:var(--stone-500);font-weight:600}
.pd-specs span{color:var(--ink);font-weight:600}
.pd-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}

.pd-body{display:grid;grid-template-columns:1fr 320px;gap:64px;padding-top:20px;padding-bottom:96px;align-items:start}
.prose h2{font-size:clamp(22px,2.4vw,30px);margin:52px 0 18px;letter-spacing:0}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:30px 0 12px}
.prose p{color:var(--stone-800);font-size:15px;line-height:2;margin-bottom:16px}
.prose ul{margin:0 0 20px;display:grid;gap:10px}
.prose ul li{position:relative;padding-left:20px;color:var(--stone-800);font-size:14.5px;line-height:1.9}
.prose ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--stone-500);opacity:.9}
.prose table{width:100%;border-collapse:collapse;margin:22px 0 28px;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.prose th{background:var(--paper-2);font-weight:700;font-size:13px;letter-spacing:.03em}
.prose .note{background:var(--paper-2);border-left:3px solid var(--brick);padding:18px 22px;font-size:14px;color:var(--stone-800);line-height:1.85}
.pd-aside{position:sticky;top:100px;display:grid;gap:16px}
.aside-card{background:var(--ink);color:#fff;padding:30px 26px}
.aside-card h3{font-size:17px;letter-spacing:.01em}
.aside-card p{font-size:13px;color:rgba(255,255,255,.62);margin-top:10px;line-height:1.8}
.aside-card .tel{display:block;font-size:24px;font-weight:800;color:#fff;margin:16px 0 8px;letter-spacing:0}
.aside-card .btn{width:100%;margin-top:16px;padding:13px 0;font-size:14px}
.aside-links{background:#fff;border:1px solid var(--line);padding:24px 22px}
.aside-links h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone-500);margin-bottom:14px}
.aside-links a{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}
.aside-links a:last-child{border-bottom:0}
.aside-links a:hover{color:var(--ink)}
.aside-links a span{font-size:11px;color:var(--stone-500)}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-grid .ag-media{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about-grid .ag-media figure{margin:0;overflow:hidden;background:var(--paper-2)}
.about-grid .ag-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:64px}
.stat-row div{background:var(--paper);padding:32px 28px}
.stat-row strong{display:block;font-size:36px;font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--brick)}
.stat-row strong span{font-size:inherit;display:inline;margin:0;color:inherit;line-height:1}
.stat-row strong i{font-style:normal;font-size:16px;margin-left:2px}
.stat-row div > span{display:block;font-size:13px;color:var(--stone-500);margin-top:10px;letter-spacing:.04em}

.timeline{position:relative;margin-top:20px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline li{position:relative;padding-bottom:32px}
.timeline li::before{content:"";position:absolute;left:-33px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--paper);border:2px solid var(--brick)}
.timeline h3{font-size:17px;letter-spacing:0}
.timeline p{font-size:14.5px;color:var(--stone-700);margin-top:8px;line-height:1.85}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:72px 0 96px;align-items:start}
.c-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.c-item .ci{flex:none;width:48px;height:48px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brick)}
.c-item .ci svg{width:20px;height:20px}
.c-item h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--stone-500);margin-bottom:6px}
.c-item strong{font-size:20px;font-weight:800;letter-spacing:.01em;display:block}
.c-item p{font-size:14px;color:var(--stone-700);margin-top:4px}
.map-box{background:var(--paper-2);border:1px solid var(--line);padding:36px;min-height:340px;display:flex;flex-direction:column;justify-content:space-between}
.map-box h3{font-size:20px}
.map-box .mp-note{font-size:13.5px;color:var(--stone-700);line-height:1.9;margin-top:14px}
.map-box .mp-list{display:grid;gap:10px;margin-top:24px}
.map-box .mp-list div{display:flex;gap:10px;font-size:13.5px;align-items:baseline}
.map-box .mp-list b{color:var(--brick);font-weight:800;font-size:12px;flex:none}

/* ---------- 到厂导航组件 ---------- */
.loc{background:var(--ink);color:#fff;padding:88px 0;position:relative;overflow:hidden;scroll-margin-top:80px;border-top:1px solid rgba(255,255,255,.08)}
.loc::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 420px at 78% 18%,rgba(192,80,47,.2),transparent 68%);
}
.loc-in{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
.loc .eyebrow{color:var(--brick-2)}
.loc-eyebrow-cn{color:rgba(255,255,255,.62);letter-spacing:.16em;font-size:11.5px;font-weight:600}
.loc h2{font-size:38px;margin-top:18px;line-height:1.24}
.loc-p{margin-top:18px;font-size:15px;line-height:1.95;color:rgba(255,255,255,.66);max-width:46ch}
.loc-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.loc-acts .btn{padding:13px 20px;font-size:14px}
.loc-coord{
  display:inline-flex;align-items:center;gap:12px;margin-top:22px;padding:10px 14px;
  border:1px dashed rgba(255,255,255,.22);background:transparent;cursor:pointer;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.loc-coord:hover{border-color:rgba(217,106,67,.75);background:rgba(192,80,47,.08)}
.loc-coord .lc-k{font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.42)}
.loc-coord b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;letter-spacing:.04em;
  color:#fff;font-weight:600;font-variant-numeric:tabular-nums;
}
.loc-coord .lc-copy{
  font-size:11.5px;color:var(--brick-2);border-left:1px solid rgba(255,255,255,.16);
  padding-left:12px;letter-spacing:.06em;
}
.loc-coord.done .lc-copy{color:#7FB79B}
.loc-tip{margin-top:20px;font-size:12.5px;line-height:1.85;color:rgba(255,255,255,.4);max-width:48ch}
.loc-notes{
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.11);
  display:grid;gap:12px;max-width:50ch;
}
.loc-notes div{display:flex;gap:12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.46)}
.loc-notes b{flex:none;color:var(--brick-2);font-size:11px;font-weight:800;letter-spacing:.08em;padding-top:3px}
.loc-notes strong{color:rgba(255,255,255,.9);font-weight:700;margin-right:8px}
.loc-visual{position:relative}
.loc-svg{width:100%;height:auto;display:block;border:1px solid rgba(255,255,255,.12)}
.loc-plate{
  display:grid;gap:5px;padding:18px 20px 20px;border:1px solid rgba(255,255,255,.12);
  border-top:0;background:rgba(255,255,255,.035);
}
.lp-tag{font-size:10px;letter-spacing:.26em;font-weight:800;color:var(--brick-2)}
.loc-plate b{font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em}
.lp-addr{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.75}
.lp-open{
  margin-top:5px;font-size:11px;color:rgba(255,255,255,.36);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;
}
/* 页脚地址旁的导航入口 */
.foot-nav{
  display:block;width:fit-content;margin-top:7px;color:var(--brick-2);font-size:12.5px;
  border-bottom:1px solid rgba(217,106,67,.38);white-space:nowrap;
}
.foot-nav:hover{color:#fff;border-color:rgba(255,255,255,.6)}

/* 案例页 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{position:relative;overflow:hidden;background:var(--stone-900);aspect-ratio:4/3}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.case-card:hover img{transform:scale(1.06)}
.case-card figcaption{
  position:absolute;inset:auto 0 0 0;padding:44px 22px 18px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.8));
}
.case-card strong{display:block;font-size:16px;font-weight:800}
.case-card span{font-size:12px;color:rgba(255,255,255,.66)}

/* 动画 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-mosaic{height:400px;min-height:0;grid-template-columns:repeat(4,1fr);grid-template-rows:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
  .pd-top{grid-template-columns:1fr;gap:36px}
  .pd-body{grid-template-columns:1fr;gap:40px}
  .pd-aside{position:static;grid-template-columns:1fr 1fr}
  .cat-row{grid-template-columns:70px 1fr 220px;gap:26px}
  .loc-in{grid-template-columns:1fr;gap:44px}
  .loc-visual{max-width:620px}
  .loc h2{font-size:34px}
}
@media (max-width:1024px){
  .menu,.tel-box{display:none}
  .burger{display:flex}
  .nav{height:66px}
  .sec{padding:78px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:40px}
  .adv-grid{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .bento .b-2x2{grid-column:span 2;grid-row:span 1}
  .bento .b-1x2{grid-column:span 1;grid-row:span 1}
  .fact-grid{grid-template-columns:1fr;gap:36px}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .stat-row{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:36px;padding:48px 0 72px}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:28px}
  .m-bar{display:flex}
  body{padding-bottom:74px}
  footer{padding-bottom:10px}
  .pd-aside{grid-template-columns:1fr}
}
@media (max-width:720px){
  .wrap{padding:0 18px}
  .nav{gap:10px;height:60px}
  .nav-cta .btn{display:none}
  .nav-cta{gap:0}
  .logo{gap:9px}
  .logo-mark{width:28px;height:28px}
  .logo-cn{font-size:16px}
  .logo-en{font-size:8px;letter-spacing:.14em;margin-top:3px}
  .topbar{font-size:11.5px}
  .topbar .tb-right{display:none}
  .topbar .wrap{justify-content:center;height:34px}
  .hero{padding-top:48px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:14.5px}
  .hero-tags span:nth-child(5){display:none}
  .hero-actions .btn{flex:1;justify-content:center;padding:14px 18px;font-size:14px}
  .hero-stats{margin-top:36px;padding-top:24px;gap:20px;flex-wrap:wrap}
  .hero-stats div strong{font-size:24px}
  .hero-mosaic{height:auto;min-height:0;grid-template-columns:1fr 1fr;grid-template-rows:150px 150px;gap:8px}
  .hero-strip{height:56px;margin-top:36px}
  .prod-grid{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr;grid-auto-rows:190px}
  .bento .b-2x2{grid-column:span 1}
  .sec-head h2{font-size:26px}
  .cat-row{grid-template-columns:1fr;gap:16px}
  .cat-row .cr-no{display:none}
  .cat-row .cr-thumb{order:-1}
  .cat-row:hover{padding-left:0;padding-right:0}
  .case-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .cta-inner{padding:52px 18px;gap:28px}
  .cta-acts{width:100%}
  .cta-acts .btn{flex:1;justify-content:center}
  .foot-grid{grid-template-columns:1fr;gap:34px;padding-bottom:36px}
  .pd-thumbs{grid-template-columns:repeat(4,1fr)}
  .prose h2{margin-top:38px}
  .loc{padding:60px 0}
  .loc h2{font-size:26px;margin-top:14px}
  .loc-p{font-size:14px}
  .loc-acts{gap:8px;margin-top:24px;flex-direction:column}
  .loc-acts .btn{width:100%;justify-content:center;padding:13px 14px;font-size:14px}
  .loc-coord{width:100%;justify-content:space-between;gap:10px;flex-wrap:wrap}
  .loc-coord b{font-size:12.5px}
  .loc-plate{padding:16px 16px 18px}
  .faq-a p{padding-right:0}
  .faq-q{font-size:15.5px}
}