/* ============================================================
   Datong Carbon 大同市贵义炭素有限公司 · 官方网站样式表
   基于 NBTS 现代工业风组件化设计，融合贵义炭素品牌色
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root{
  --brand:#D62C1A;
  --brand-2:#E85D04;
  --brand-deep:#9D0208;
  --brand-soft:#FFF0ED;
  --accent:#F48C06;
  --accent-2:#FAA307;
  --ink-0:#1A1A1A;
  --ink-1:#2D2D2D;
  --ink-2:#404040;
  --line:#E6E8EE;
  --line-2:#F0F2F6;
  --muted:#6B7280;
  --text:#1A1F2E;
  --bg:#FFFFFF;
  --bg-soft:#F5F6F8;
  --bg-soft-2:#FAFBFD;
  --r:12px;
  --r-lg:20px;
  --sh-sm:0 1px 2px rgba(15,23,42,.04),0 1px 1px rgba(15,23,42,.03);
  --sh-md:0 10px 28px -10px rgba(15,23,42,.10),0 2px 6px rgba(15,23,42,.04);
  --sh-lg:0 28px 64px -24px rgba(15,23,42,.20),0 6px 16px rgba(15,23,42,.06);
  --t:.26s cubic-bezier(.4,0,.2,1);
  --maxw:1460px;
  --nav-h:80px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.28;letter-spacing:-.012em;color:var(--ink-0);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 40px}
@media(max-width:760px){.container{padding:0 20px}}

/* ---------- Industrial textures ---------- */
.carbon-noise{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  opacity:.35;
}
.carbon-grid{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.ind-line{
  position:relative;
}
.ind-line::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 60%,transparent 100%);
}
.ind-sep{
  display:flex;align-items:center;gap:12px;
}
.ind-sep::before,.ind-sep::after{
  content:"";flex:1;height:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent);
}

/* ---------- Navigation ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{height:44px;width:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.12}
.brand-txt .zh{font-size:15px;font-weight:600;color:var(--ink-0);letter-spacing:.6px;white-space:nowrap}
.brand-txt .en{font-size:10.5px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-top:2px;white-space:nowrap}

.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{
  display:inline-flex;align-items:center;gap:5px;
  padding:9px 15px;font-size:14px;font-weight:500;color:var(--text);
  border-radius:8px;transition:color var(--t),background var(--t);white-space:nowrap;
}
.menu>li>a:hover{color:var(--brand);background:var(--brand-soft)}
.menu>li.on>a{color:var(--brand);background:var(--brand-soft)}
.menu>li>a .caret{width:10px;height:10px;opacity:.55;transition:transform var(--t)}
.menu>li:hover>a .caret{transform:rotate(180deg)}

/* Dropdown */
.drop{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:230px;max-width:340px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-lg);padding:8px;
  opacity:0;visibility:hidden;transition:opacity var(--t),transform var(--t),visibility var(--t);
}
/* hover 展开仅限桌面端：≤1080px 走折叠面板，若不隔离，此规则的特异性(0,3,1)
   会压过下面的 .menu.open .drop(0,3,0)，把移动端子菜单 translateX(-50%) 推出屏幕 */
@media(min-width:1081px){
  .menu>li:hover>.drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
}
.drop::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.drop a{
  display:block;padding:10px 12px;border-radius:9px;font-size:13.5px;color:#374151;
  transition:background var(--t),color var(--t);line-height:1.45;
}
.drop a:hover{background:var(--brand-soft);color:var(--brand)}
.drop a.cur{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drop .dg{
  padding:10px 12px 6px;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--muted);font-weight:600;border-top:1px solid var(--line-2);margin-top:4px;
}
.drop .dg:first-child{border-top:0;margin-top:0}
.drop.wide{min-width:300px}

.nav-cta{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;
  padding:10px 17px;font-size:13.5px;font-weight:600;color:#fff;background:var(--ink-0);
  border-radius:9px;transition:background var(--t),transform var(--t);white-space:nowrap;
}
.nav-cta:hover{background:var(--brand);transform:translateY(-1px)}
.nav-cta svg{width:14px;height:14px}

/* 语言切换（中 / EN） */
.lang-sw{
  display:inline-flex;align-items:center;flex-shrink:0;
  border:1px solid var(--line);border-radius:10px;background:#F1F3F6;
  padding:3px;gap:3px;
}
.lang-sw .ls{
  padding:7px 15px;font-size:13px;font-weight:600;line-height:1;color:var(--muted);
  border-radius:8px;letter-spacing:.3px;
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.lang-sw .ls:hover{color:var(--ink-0)}
.lang-sw .ls.on{
  background:var(--ink-0);color:#fff;
  box-shadow:0 2px 6px -1px rgba(26,26,26,.35);
}
.lang-sw .ls.on:hover{color:#fff}
.lang-li{display:none}

.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px}
.burger svg{width:20px;height:20px}

/* 导航栏加入语言切换后，中等宽度收紧间距，避免拥挤 */
@media(max-width:1300px){
  .nav-inner{gap:16px}
  .menu>li>a{padding:9px 11px;font-size:13.5px}
  .brand-txt .zh{font-size:14px}
  .brand-txt .en{font-size:9.5px;letter-spacing:1.4px}
  .lang-sw .ls{padding:8px 12px;font-size:12.5px}
}
@media(max-width:1080px){
  .lang-sw{display:none}
  .menu.open .lang-li{display:block}
  .menu.open .lang-li>a{color:var(--ink-0);font-weight:600}

  .menu{display:none}
  .burger{display:inline-flex}
  .menu.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:var(--nav-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 20px;
    max-height:78vh;overflow-y:auto;box-shadow:var(--sh-md);
  }
  .menu.open>li>a{padding:14px 12px;font-size:15px}
  .menu.open .drop{
    position:static;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border:0;border-radius:0;padding:0 0 6px 14px;min-width:0;max-width:none;
  }
  .menu.open .drop a{padding:9px 12px;font-size:13.5px;color:var(--muted)}
  .menu.open .drop .dg{padding-left:12px}
  /* 折叠面板里不需要「hover 搭桥」的透明热区，它反而会挡住上一项的点击 */
  .menu.open .drop::before{display:none}
  .menu>li>a .caret{display:none}
}

/* 窄屏导航：品牌区允许收缩，避免把汉堡按钮挤出屏幕 */
@media(max-width:1080px){
  .brand{min-width:0}
  .brand-txt{min-width:0;overflow:hidden}
}
@media(max-width:820px){
  /* 手机端隐藏英文副行，只留中文名 */
  .brand-txt .en{display:none}
  .brand-txt .zh{font-size:14px;overflow:hidden;text-overflow:ellipsis;max-width:100%}
}
@media(max-width:420px){
  .brand img{height:38px}
  .brand-txt .zh{font-size:13px;letter-spacing:.2px}
}

/* ---------- Home Hero ---------- */
.hero-home{
  position:relative;min-height:min(88vh,760px);
  display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;background:var(--ink-0);
}
.hero-bg{position:absolute;inset:0}
.hero-bg .hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease-in-out,transform 1.4s ease-out;z-index:1;transform:scale(1.04)}
.hero-bg .hero-slide.active{opacity:1;z-index:2;transform:scale(1)}
.hero-bg .hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center 58%;transform:scale(1.08)}
.hero-bg .hero-slide.active img{animation:heroZoom 8s ease forwards}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1.0)}}
.hero-bg::after{
  content:"";position:absolute;inset:0;z-index:3;
  background:
    linear-gradient(to right,rgba(16,8,6,.86) 0%,rgba(28,14,10,.62) 42%,rgba(42,20,14,.28) 70%,rgba(42,20,14,.08) 100%),
    linear-gradient(to top,rgba(16,8,6,.55) 0%,rgba(16,8,6,.14) 30%,rgba(16,8,6,0) 55%);
}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:6;
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.10);backdrop-filter:blur(6px);color:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.hero-arrow:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.65);transform:translateY(-50%) scale(1.05)}
.hero-arrow svg{width:18px;height:18px}
.hero-prev{left:24px}
.hero-next{right:24px}
.hero-counter{
  position:absolute;right:32px;bottom:110px;z-index:6;
  font-family:var(--font);font-size:13px;color:rgba(255,255,255,.65);letter-spacing:2px;
}
.hero-counter .hc-cur{color:#fff;font-weight:700}
.hero-counter .hc-sep{margin:0 6px}
.hero-indicators{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:6;
  display:flex;gap:10px;
}
.hero-indicators button{
  width:50px;height:5px;border-radius:3px;background:rgba(255,255,255,.28);border:0;padding:0;transition:background var(--t),width var(--t);
  position:relative;overflow:hidden;
}
.hero-indicators button.active{background:rgba(255,255,255,.45);width:74px}
.hero-indicators button.active::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--accent);
  animation:heroProgress 6s linear forwards;
}
.hero-indicators button:hover{background:rgba(255,255,255,.55)}
@keyframes heroProgress{from{width:0}to{width:100%}}

/* 单图 Hero（没有第二张轮播图）时，隐藏多余的轮播控件，避免白框箭头压住正文 */
.hero-home:not(:has(.hero-slide + .hero-slide)) .hero-arrow,
.hero-home:not(:has(.hero-slide + .hero-slide)) .hero-counter,
.hero-home:not(:has(.hero-slide + .hero-slide)) .hero-indicators{display:none}
@media(max-width:760px){
  .hero-indicators{left:50%;bottom:18px;transform:translateX(-50%)}
  .hero-indicators button{width:36px;height:4px}
  .hero-indicators button.active{width:52px}
  .hero-arrow{width:40px;height:40px}
  .hero-prev{left:12px}
  .hero-next{right:12px}
  .hero-counter{right:20px;bottom:96px}
}
.hero-vignette{
  position:absolute;inset:0;z-index:4;pointer-events:none;
  box-shadow:inset 0 0 120px rgba(0,0,0,.55);
}
.hero-inner{position:relative;z-index:5;width:100%;padding:120px 0 0}
.hero-content{padding-bottom:64px;max-width:800px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11.5px;letter-spacing:2.4px;text-transform:uppercase;color:#FFD6A5;font-weight:600;
}
.hero-eyebrow::before{content:"";width:26px;height:1.5px;background:#FFD6A5}
.hero-home h1{
  font-size:clamp(31px,4.15vw,56px);font-weight:700;line-height:1.1;letter-spacing:-.026em;
  color:#fff;margin-top:20px;
}
.hero-home h1 em{font-style:normal;color:#FFD6A5}
.hero-home h1 b{font-weight:700;color:var(--accent)}
.hero-lede{margin-top:22px;font-size:clamp(15px,1.35vw,17.5px);color:#E0D8D4;max-width:600px;line-height:1.72}
.hero-lede strong{color:#fff;font-weight:600}
.hero-btns{display:flex;gap:13px;margin-top:36px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:10px;
  font-size:14px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn svg{width:16px;height:16px}
.btn-p{background:var(--brand);color:#fff;box-shadow:0 6px 18px -6px rgba(214,44,26,.55)}
.btn-p:hover{background:var(--brand-2);transform:translateY(-2px);box-shadow:0 10px 26px -8px rgba(214,44,26,.6)}
.btn-g{border-color:rgba(255,255,255,.32);color:#fff;backdrop-filter:blur(6px)}
.btn-g:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55)}
.btn-o{color:var(--brand);border-color:var(--brand)}
.btn-o:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

.hero-bar{
  position:relative;z-index:5;width:100%;border-top:1px solid rgba(255,255,255,.16);
  background:rgba(16,10,8,.62);backdrop-filter:blur(12px);
}
.hero-bar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:26px 32px}
.hb-num{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1}
.hb-num span{font-size:.5em;color:#FFD6A5;margin-left:3px}
.hb-lbl{font-size:12.5px;color:#C9BFB9;margin-top:8px;letter-spacing:.5px;font-weight:500}
@media(max-width:760px){
  .hero-home{min-height:auto}
  .hero-inner{padding:92px 0 0}
  .hero-content{padding-bottom:38px}
  .hero-bar .container{grid-template-columns:repeat(2,1fr);gap:22px 10px;padding:22px 20px}
}

/* ---------- Page Hero (band) — 煤质活性炭实拍背景 ---------- */
.phero{
  position:relative;overflow:hidden;
  background:#141414;
  background-image:url("hero.webp");
  background-size:cover;
  background-position:center 50%;
  background-repeat:no-repeat;
  color:#fff;padding:92px 0 84px;
}
/* 暗化遮罩：左深右浅，保证白字可读，同时透出炭粒质感 */
.phero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(102deg,rgba(10,8,8,.95) 0%,rgba(16,11,10,.89) 34%,rgba(22,14,12,.70) 62%,rgba(26,15,12,.48) 100%),
    linear-gradient(to top,rgba(8,6,6,.80) 0%,rgba(8,6,6,.26) 40%,rgba(8,6,6,0) 74%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.10'/%3E%3C/svg%3E");
}
/* 品牌橙色光晕 + 顶部高光线 */
.phero::after{
  content:"";position:absolute;right:-6%;top:-42%;width:54%;height:196%;z-index:1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(232,93,4,.24),transparent 72%);
}
.phero .container{position:relative;z-index:2}
.ph-eye{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:2.4px;text-transform:uppercase;color:#FFD6A5;font-weight:600}
.ph-eye::before{content:"";width:26px;height:1.5px;background:#FFD6A5}
.phero h1{
  font-size:clamp(28px,3.4vw,44px);font-weight:700;color:#fff;letter-spacing:-.024em;
  margin-top:16px;line-height:1.14;max-width:980px;
  text-shadow:0 2px 20px rgba(0,0,0,.55),0 1px 3px rgba(0,0,0,.5);
}
.phero .ph-sub{
  margin-top:20px;font-size:16.5px;color:#E2DCD8;max-width:760px;line-height:1.72;
  text-shadow:0 1px 12px rgba(0,0,0,.6);
}
@media(max-width:760px){
  .phero{padding:60px 0 56px;background-position:center 42%}
  .phero::before{
    background-image:
      linear-gradient(180deg,rgba(10,8,8,.76) 0%,rgba(12,9,9,.84) 58%,rgba(14,10,10,.90) 100%),
      url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.10'/%3E%3C/svg%3E");
  }
  .phero::after{display:none}
  .phero .ph-sub{font-size:15.5px}
}

/* ---------- Breadcrumb ---------- */
.crumb{border-bottom:1px solid var(--line);background:var(--bg-soft-2)}
.crumb .container{display:flex;align-items:center;gap:8px;padding:14px 32px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--muted);transition:color var(--t)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.4}
.crumb .cur{color:var(--ink-0);font-weight:600}
@media(max-width:760px){.crumb .container{padding:12px 20px}}

/* ---------- Layout with sidebar ---------- */
.with-side{display:grid;grid-template-columns:238px 1fr;gap:44px;align-items:start}
@media(max-width:1000px){.with-side{grid-template-columns:1fr;gap:28px}}
.side{position:sticky;top:calc(var(--nav-h) + 24px)}
.side-t{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:12px;padding-left:14px}
.side a{
  display:block;padding:9px 14px;border-radius:9px;font-size:12px;font-weight:400;color:#374151;
  border-left:2px solid transparent;transition:all var(--t);line-height:1.5;
}
.side a:hover{background:var(--bg-soft);color:var(--brand)}
.side a.cur{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.side .dg{
  display:block;font-size:14px;font-weight:700;letter-spacing:0;text-transform:none;
  color:var(--ink-1);padding:16px 14px 6px;line-height:1.4;
}
.side .dg:first-child{padding-top:0}
.side a.dg{color:var(--muted)}
.side a.dg:hover{color:var(--brand)}
/* 系列页侧栏为平铺的分类列表(无 .dg 分组)，按分类级字号显示 */
.side-nav:not(:has(.dg))>a{font-size:14px;font-weight:700;color:var(--ink-1)}
.side-nav:not(:has(.dg))>a.cur{color:var(--brand);font-weight:700}
@media(max-width:1000px){
  .side{position:static}
  .side .dg{display:none}
  .side-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .side-nav a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:9px 9px 0 0}
  .side-nav a.cur{border-left:0;border-bottom-color:var(--brand)}
  .side-t{display:none}
}

/* ---------- Sections ---------- */
section{padding:96px 0}
section.tight{padding:64px 0}
section.soft{background:var(--bg-soft)}
section.soft2{background:var(--bg-soft-2)}
section.line-t{border-top:1px solid var(--line)}
@media(max-width:760px){section{padding:60px 0}section.tight{padding:44px 0}}

.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:2.2px;text-transform:uppercase;color:var(--brand);font-weight:600}
.eyebrow::before{content:"";width:24px;height:1.5px;background:var(--brand)}
.sh{max-width:820px}
.sh h2{font-size:clamp(26px,2.9vw,38px);font-weight:700;letter-spacing:-.022em;margin-top:14px;line-height:1.2}
.sh p{margin-top:18px;font-size:16.5px;color:var(--muted);line-height:1.72;max-width:720px}
.sh.mx h2,.sh.mx p{max-width:none}
/* 居中版节标题：用于下方内容本身居中的区块（如订阅栏） */
.sh.ctr{max-width:720px;margin-left:auto;margin-right:auto;text-align:center}
.sh.ctr p{max-width:none;margin-left:auto;margin-right:auto}
.mb-48{margin-bottom:52px}
.mb-36{margin-bottom:32px}

/* ---------- Grids ---------- */
.g{display:grid;gap:22px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g23{grid-template-columns:1.15fr .85fr}
.g32{grid-template-columns:.85fr 1.15fr}
@media(max-width:1000px){.g3,.g4,.g23,.g32{grid-template-columns:1fr 1fr}.g23,.g32{grid-template-columns:1fr}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:transform var(--t),box-shadow var(--t);position:relative}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent));z-index:3;border-radius:var(--r-lg) var(--r-lg) 0 0;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.card .cimg{aspect-ratio:16/10;background:#1A1A1A;overflow:hidden;position:relative}
.card .cimg img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.card:hover .cimg img{transform:scale(1.05)}
.card .cbody{padding:26px}
.card .cno{font-size:11.5px;letter-spacing:2px;color:var(--brand);font-weight:700}
.card h3{font-size:19px;margin:9px 0 10px;line-height:1.35}
.card p{font-size:14px;color:#4B5363;line-height:1.68}
.card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.card .tag{font-size:11px;padding:5px 11px;background:var(--brand-soft);color:var(--brand);border-radius:4px;font-weight:600}
.card .more{margin-top:16px;font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.card .more svg{width:15px;height:15px;transition:transform var(--t)}
.card:hover .more svg{transform:translateX(5px)}

/* Plain panel */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-sm);position:relative;overflow:hidden}
.panel::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:var(--r-lg) var(--r-lg) 0 0}
.panel h3{font-size:21px;margin-bottom:14px}
.panel.flat{box-shadow:none}
.panel.soft{background:var(--bg-soft-2)}
@media(max-width:640px){.panel{padding:26px}}

/* ---------- Form controls ---------- */
.form-control{
  display:block;width:100%;
  padding:12px 16px;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);
  font-family:inherit;font-size:14px;line-height:1.6;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.form-control::placeholder{color:#A8AEB8}
.form-control:hover{border-color:#D9DDE5}
.form-control:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(214,44,26,.10);
}
input.form-control{height:46px}
textarea.form-control{min-height:132px;resize:vertical}
.form-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}

/* Feature list card */
.fl{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-sm);transition:transform var(--t),box-shadow var(--t);position:relative;overflow:hidden}
.fl::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--brand),var(--accent));border-radius:var(--r-lg) 0 0 var(--r-lg)}
.fl:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.fl .ic{width:46px;height:46px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:18px}
.fl .ic svg{width:23px;height:23px}
.fl h4{font-size:17px;margin-bottom:8px}
.fl p{font-size:14px;color:#4B5363;line-height:1.68}

/* ---------- Stats / KPI ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand),var(--accent));border-radius:var(--r) 0 0 var(--r)}
.stat.a2::before{background:linear-gradient(180deg,var(--accent),var(--accent-2))}
.stat.a3::before{background:linear-gradient(180deg,var(--accent-2),#FBBF24)}
.stat .n{font-size:40px;font-weight:700;color:var(--ink-0);letter-spacing:-.025em;line-height:1}
.stat .n small{font-size:.45em;color:var(--brand);margin-left:3px;letter-spacing:0}
.stat .l{margin-top:11px;font-size:14px;color:#4B5363;line-height:1.5}
.stat .s{margin-top:5px;font-size:10.5px;color:var(--muted);letter-spacing:1.4px;text-transform:uppercase;font-weight:600}
@media(max-width:900px){.stats{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.stats{grid-template-columns:1fr}}

/* ---------- Prose ---------- */
.prose p{font-size:15.5px;color:#374151;line-height:1.85;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.prose p strong{color:var(--ink-0);font-weight:600}
.prose.narrow{max-width:820px}

/* ---------- Check list ---------- */
.ck{list-style:none}
.ck li{position:relative;padding-left:30px;margin-bottom:14px;font-size:15px;color:#374151;line-height:1.7}
.ck li:last-child{margin-bottom:0}
.ck li::before{
  content:"";position:absolute;left:0;top:7px;width:17px;height:17px;border-radius:50%;
  background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D62C1A' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;
}
.ck li b{color:var(--ink-0);font-weight:600}
.ck.g li::before{background-color:#FFF4E6;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E85D04' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}

/* Numbered list */
.nl{counter-reset:n;list-style:none}
.nl li{counter-increment:n;position:relative;padding-left:42px;margin-bottom:18px}
.nl li:last-child{margin-bottom:0}
.nl li::before{
  content:counter(n,decimal-leading-zero);position:absolute;left:0;top:1px;
  width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:grid;place-items:center;letter-spacing:.5px;
}
.nl li h4{font-size:16.5px;margin-bottom:5px}
.nl li p{font-size:14px;color:#4B5363;line-height:1.68}

/* ---------- Table ---------- */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.tb{width:100%;border-collapse:collapse;font-size:14px;min-width:620px}
table.tb th,table.tb td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
table.tb th{background:var(--bg-soft);font-size:11.5px;letter-spacing:1.2px;text-transform:uppercase;color:#4B5363;font-weight:600;white-space:nowrap}
table.tb tr:last-child td{border-bottom:0}
table.tb tbody tr:hover{background:var(--bg-soft-2)}
table.tb td:first-child{font-weight:600;color:var(--ink-0);white-space:nowrap}
table.tb .yr{color:var(--brand);font-weight:700}
table.tb .hl{background:#FFF4E6;color:#9D0208;font-weight:600;padding:2px 8px;border-radius:5px;font-size:12.5px}

/* ---------- Timeline ---------- */
.tl{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-sm);position:relative}
.tl::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent));z-index:2;border-radius:var(--r-lg) var(--r-lg) 0 0}
.tl .st{padding:20px 17px;border-right:1px solid var(--line-2);position:relative}
.tl .st:last-child{border-right:0}
.tl .st .n{font-size:10.5px;letter-spacing:1.6px;color:var(--brand);font-weight:700}
.tl .st h4{font-size:15px;margin:8px 0 6px}
.tl .st p{font-size:12.5px;color:#4B5363;line-height:1.58}
.tl .st .d{margin-top:12px;display:inline-block;font-size:11.5px;padding:4px 9px;background:var(--brand-soft);color:var(--brand);border-radius:4px;font-weight:600;letter-spacing:.4px}
@media(max-width:1100px){.tl{grid-template-columns:repeat(3,1fr)}.tl .st{border-bottom:1px solid var(--line-2)}.tl .st:nth-child(3n){border-right:0}.tl .st:not(:nth-child(3n)){border-right:1px solid var(--line-2)}}
@media(max-width:640px){.tl{grid-template-columns:1fr}.tl .st{border-right:0 !important;border-bottom:1px solid var(--line-2)}.tl .st:last-child{border-bottom:0}.tl .st{padding:22px 20px}}
@media(max-width:560px){.tl{grid-template-columns:1fr}.tl .st{border-right:0 !important}}

/* ---------- Gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#1A1A1A;position:relative}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .7s ease}
.gal figure:hover img{transform:scale(1.04)}
.gal figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(to top,rgba(20,8,6,.85),transparent);
  color:#fff;font-size:12.5px;letter-spacing:.5px;
}
.gal.g2c{grid-template-columns:1fr 1fr}
@media(max-width:860px){.gal{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.gal,.gal.g2c{grid-template-columns:1fr}}

/* ---------- Feature row (img + text) ---------- */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-sm);position:relative}
.frow::before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand),var(--accent));z-index:2;border-radius:var(--r-lg) 0 0 var(--r-lg)}
.frow.rev::before{left:auto;right:0;border-radius:0 var(--r-lg) var(--r-lg) 0}
.frow .fi{background:#1A1A1A;min-height:380px;position:relative;overflow:hidden}
.frow .fi img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.frow .ft{padding:56px 52px;display:flex;flex-direction:column;justify-content:center}
.frow.rev .fi{order:2}
.frow .ft h3{font-size:26px;letter-spacing:-.014em;line-height:1.3}
.frow .ft p{margin-top:16px;color:#4B5363;line-height:1.78;font-size:15.5px}
.frow .facts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;padding-top:26px;border-top:1px solid var(--line)}
.frow .facts .k{font-size:11px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase;font-weight:600}
.frow .facts .v{font-size:19px;font-weight:700;color:var(--ink-0);margin-top:5px;line-height:1.3}
@media(max-width:900px){.frow{grid-template-columns:1fr}.frow.rev .fi{order:0}.frow .ft{padding:32px 26px}.frow .fi{min-height:280px}}
@media(max-width:640px){.frow .facts{grid-template-columns:1fr;gap:16px}}

/* ---------- About: 图片带 ---------- */
.imgband{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:#1A1A1A;box-shadow:var(--sh-sm);
}
.imgband img{display:block;width:100%;height:auto}
.imgband .cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 30px 24px;color:#fff;
  background:linear-gradient(to top,rgba(14,8,6,.88) 0%,rgba(14,8,6,.45) 55%,rgba(14,8,6,0) 100%);
}
.imgband .cap b{display:block;font-size:17.5px;font-weight:600;letter-spacing:.2px}
.imgband .cap span{display:block;margin-top:7px;font-size:12.5px;color:#DBD4D0;letter-spacing:.5px}
@media(max-width:640px){.imgband .cap{padding:18px 20px 16px}.imgband .cap b{font-size:15.5px}}

/* ---------- About: 全宽数据条 ---------- */
.stats.s5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1100px){.stats.s5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.stats.s5{grid-template-columns:1fr 1fr}}
.mt-40{margin-top:40px}
@media(max-width:760px){.mt-40{margin-top:28px}}

/* ---------- 市场行（左文右图） ---------- */
.mkt-stack{display:flex;flex-direction:column;gap:26px}
.frow .ft .ck{margin-top:18px}
.frow .ft .ck li{font-size:14.5px;margin-bottom:12px}
.frow .ft .ck li:last-child{margin-bottom:0}
.frow .ft .sub{margin-top:14px;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--brand);font-weight:600}

/* ---------- 筛分和检验页（quality.html） ---------- */
/* 图列双图：上下等分铺满 */
.frow .fi.multi{display:grid;grid-template-rows:1fr 1fr;gap:3px}
.frow .fi.multi img{position:relative;inset:auto;width:100%;height:100%;min-height:0;object-fit:cover}
/* 英文对照条目：灰字小号 + 品牌色小圆点 */
.enlist{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.enlist li{position:relative;padding-left:15px;font-size:13px;color:var(--muted);line-height:1.62;margin-bottom:9px}
.enlist li:last-child{margin-bottom:0}
.enlist li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.55}
.blk-lbl{font-size:11.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:14px}
@media(max-width:900px){
  .frow .fi.multi{grid-template-rows:1fr 1fr;grid-template-columns:1fr;min-height:0}
  .frow .fi.multi img{height:auto;aspect-ratio:16/9}
}
@media(max-width:900px){.mkt-stack{gap:20px}}

/* ---------- 合作伙伴 LOGO 条 ---------- */
.partners{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 42px 40px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
}
.partners::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  border-radius:var(--r-lg) var(--r-lg) 0 0;
}
.partners .p-head{text-align:center;margin-bottom:28px}
.partners .p-head b{display:block;font-size:18px;font-weight:600;color:var(--ink-0);letter-spacing:-.01em}
.partners .p-head span{display:block;margin-top:9px;font-size:13.5px;color:var(--muted)}
.partners .p-logos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.partners .p-logos figure{
  margin:0;height:112px;padding:16px 22px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:var(--r);background:#fff;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.partners .p-logos figure:hover{border-color:#EBD9D3;box-shadow:var(--sh-md);transform:translateY(-2px)}
.partners .p-logos img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
@media(max-width:820px){.partners{padding:28px 24px 30px}.partners .p-logos{grid-template-columns:1fr 1fr;gap:16px}}
@media(max-width:560px){.partners .p-logos{grid-template-columns:1fr}.partners .p-logos figure{height:96px}}


/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line-2)}
.faq details:last-child{border-bottom:0}
.faq summary{
  padding:20px 26px;font-size:15.5px;font-weight:600;color:var(--ink-0);cursor:pointer;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background var(--t);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--bg-soft-2)}
.faq summary::after{
  content:"";flex-shrink:0;width:18px;height:18px;border-radius:50%;background:var(--brand-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D62C1A' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size:13px;background-position:center;background-repeat:no-repeat;transition:transform var(--t);
}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq .fa{padding:0 26px 22px;font-size:14.5px;color:#4B5363;line-height:1.8}

/* ---------- Quote ---------- */
.quote{
  border-left:3px solid var(--brand);background:var(--brand-soft);
  padding:26px 30px;border-radius:0 var(--r-lg) var(--r-lg) 0;
}
.quote p{font-size:18px;color:var(--ink-0);line-height:1.65;font-weight:500}
.quote .src{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.5px}

/* ---------- MVV ---------- */
.mvv{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mvv .it{padding:38px 30px;border-right:1px solid var(--line)}
.mvv .it:last-child{border-right:0}
.mvv .it:first-child{padding-left:0}
.mvv .k{font-size:10.5px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:13px}
.mvv .v{font-size:25px;font-weight:700;color:var(--ink-0);letter-spacing:-.014em;line-height:1.25}
.mvv .d{margin-top:15px;font-size:14px;color:#4B5363;line-height:1.72}
.mvv .e{margin-top:11px;font-size:12.5px;color:#9AA2B1;line-height:1.6}
@media(max-width:880px){.mvv{grid-template-columns:1fr}.mvv .it{border-right:0;border-bottom:1px solid var(--line);padding:28px 0}.mvv .it:last-child{border-bottom:0}.mvv .it:first-child{padding-top:0}}

/* ---------- Certs ---------- */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cert{display:flex;align-items:center;gap:15px;padding:19px 22px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);transition:background var(--t)}
.cert:hover{background:var(--brand-soft)}
.cert .bg2{width:44px;height:44px;border-radius:10px;background:#fff;display:grid;place-items:center;color:var(--brand);border:1px solid var(--line);font-weight:700;font-size:11.5px;flex-shrink:0;letter-spacing:.3px}
.cert .nm{font-size:14px;font-weight:600;color:var(--ink-0)}
.cert .sb{font-size:12px;color:var(--muted);margin-top:2px}
@media(max-width:820px){.certs{grid-template-columns:1fr}}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(115deg,#121212 0%,#262626 50%,#7A0A0A 145%);color:#fff;padding:84px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.10'/%3E%3C/svg%3E");opacity:.45}
.cta-band::after{content:"";position:absolute;left:50%;top:-60%;transform:translateX(-50%);width:70%;height:220%;background:radial-gradient(closest-side,rgba(232,93,4,.28),transparent 70%)}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3vw,36px);color:#fff;font-weight:700;letter-spacing:-.02em}
.cta-band p{margin-top:18px;color:#D8D0CC;font-size:16.5px;max-width:620px;margin-left:auto;margin-right:auto;line-height:1.7}
.cta-band .btns{display:flex;gap:14px;justify-content:center;margin-top:36px;flex-wrap:wrap}

/* ---------- Sibling nav ---------- */
.sibnav{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sibnav a{
  display:flex;flex-direction:column;gap:6px;padding:22px 26px;
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.sibnav a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-md)}
.sibnav a.nxt{text-align:right;align-items:flex-end}
.sibnav .lb{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
.sibnav .ti{font-size:16px;font-weight:600;color:var(--ink-0)}
.sibnav a:hover .ti{color:var(--brand)}
@media(max-width:640px){.sibnav{grid-template-columns:1fr}.sibnav a.nxt{text-align:left;align-items:flex-start}}

/* ---------- Contact ---------- */
.crow{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line-2)}
.crow:first-of-type{border-top:0}
.crow .ci{width:40px;height:40px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;flex-shrink:0}
.crow .ci svg{width:19px;height:19px}
.crow .ck2{font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.crow .cv{font-size:15.5px;font-weight:600;color:var(--ink-0);line-height:1.55}
.crow .cv small{display:block;font-weight:400;color:var(--muted);font-size:13.5px;margin-top:3px;line-height:1.6}
.crow .cv a{color:var(--brand)}
.crow .cv a:hover{text-decoration:underline}

.mapbox{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);min-height:460px;background:linear-gradient(135deg,#1A1A1A 0%,#3D2D2D 100%)}
/* 静态位置图（兜底）：垫在地图容器之上，地图加载成功后淡出 */
.mapbox img.map-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:opacity .5s ease}
.pin{position:absolute;z-index:3;background:rgba(255,255,255,.96);color:var(--ink-0);padding:9px 14px;border-radius:10px;font-size:12.5px;font-weight:600;box-shadow:0 10px 26px -8px rgba(0,0,0,.45);white-space:nowrap;transition:opacity .5s ease}
.pin::after{content:"";position:absolute;bottom:-5px;left:20px;width:10px;height:10px;background:inherit;transform:rotate(45deg)}
.pin.p1{top:48%;left:48%}
/* 高德地图容器：垫在最底层先建图，成功后由 .is-live 淡入，绝不会出现空白块 */
.amp-map{position:absolute;inset:0;z-index:1}
.mapbox.is-live img.map-fallback,.mapbox.is-live .pin{opacity:0;visibility:hidden}
/* 「在高德地图中打开」：放右上角，避开高德自带的左下 logo / 右下版权 */
.map-open{position:absolute;top:14px;right:14px;z-index:6;display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;text-decoration:none;font-size:12.5px;font-weight:600;background:rgba(255,255,255,.96);color:var(--ink-0);box-shadow:0 10px 26px -8px rgba(0,0,0,.4);transition:all var(--t)}
.map-open svg{width:13px;height:13px;flex:none}
.map-open:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
@media(max-width:640px){
  .mapbox{min-height:340px}
  /* 手机端用的是专裁的 gy-mobile.jpg，图内已带公司名，无需再叠气泡 */
  .pin{display:none}
}

/* ---------- Footer ---------- */
footer{background:#111;color:#9CA3B8;padding:72px 0 28px;font-size:14px;position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand))}
.ftop{display:grid;grid-template-columns:1.6fr 1fr 1fr minmax(300px,auto);gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
/* 联系栏目按内容自适应宽度，避免地址被折行（窄屏由下方媒体查询改双列/单列） */
@media(min-width:901px){.ftop>div:last-child li{white-space:nowrap}}
/* 「（02地块）」整块换行，避免折行时被拆成「（02」+「地块）」 */
.nb{white-space:nowrap}
footer h5{color:#fff;font-size:14px;letter-spacing:.5px;margin-bottom:15px;font-weight:700}
footer ul{list-style:none}
footer li{padding:6px 0}
footer a{color:#9CA3B8;transition:color var(--t)}
footer a:hover{color:#fff}
.fb img{height:48px;margin-bottom:18px;opacity:.95}
.fb p{font-size:14px;line-height:1.8;max-width:340px}
.fbot{display:flex;justify-content:space-between;align-items:center;padding-top:28px;font-size:13px;flex-wrap:wrap;gap:10px}
@media(max-width:900px){.ftop{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.ftop{grid-template-columns:1fr}}

/* ---------- FAB ---------- */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 21px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;box-shadow:0 16px 34px -12px rgba(214,44,26,.55);
  transition:transform var(--t),background var(--t);
}
.fab:hover{transform:translateY(-2px);background:var(--brand-2)}
.fab svg{width:17px;height:17px}
@media(max-width:640px){.fab{right:16px;bottom:16px;padding:13px 20px;font-size:14px}}

/* ---------- Utility ---------- */
.tagpill{display:inline-block;font-size:12px;padding:5px 12px;background:var(--brand-soft);color:var(--brand);border-radius:999px;font-weight:500;margin:0 6px 6px 0}
.tagpill.g{background:#FFF4E6;color:#9D0208}
.pill-row{margin-top:8px}
hr.sp{border:0;border-top:1px solid var(--line);margin:0}
.note{font-size:13px;color:var(--muted);line-height:1.7;padding:16px 20px;background:var(--bg-soft-2);border-radius:var(--r);border-left:2px solid var(--brand)}