/* ===========================================================
   GKONE 官网 · 设计系统
   配色：金黄主题  |  中英双语
   =========================================================== */

:root{
  /* 主色 —— 金黄 */
  --gold:#D9930D;
  --gold-lt:#F2B93B;
  --gold-dk:#A96F06;
  --gold-bg:#FBF3DE;
  --gold-bg2:#FDF9EE;

  /* 中性色 */
  --ink:#1D1D1F;
  --ink-2:#3A3A3C;
  --gray:#86868B;
  --gray-2:#5A5A5A;
  --line:#E6E6E6;
  --line-2:#EFEFEF;
  --bg:#FFFFFF;
  --bg-2:#F5F5F7;
  --bg-3:#FAFAFB;

  /* 尺寸 */
  --maxw:1200px;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 6px 20px rgba(0,0,0,.07);
  --shadow-md:0 12px 32px rgba(0,0,0,.09);
  --shadow-lg:0 20px 56px rgba(0,0,0,.12);
  --shadow-gold:0 8px 24px rgba(217,147,13,.24);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Inter,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.72;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
h1,h2,h3,h4,p,li,dd,dt,span,b,td,th{overflow-wrap:break-word;word-break:normal;}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* ============ 顶部公告条 ============ */
.topbar{
  background:var(--ink);color:#fff;font-size:12.5px;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar a{color:#D8D8DC;transition:color .2s;}
.topbar a:hover{color:var(--gold-lt);}
.topbar .tb-l{display:flex;align-items:center;gap:18px;min-width:0;}
.topbar .tb-r{display:flex;align-items:center;gap:14px;flex:none;}
.topbar .tb-item{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8;flex:none;}

/* ============ 头部导航 ============ */
header.site{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(0,0,0,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}

/* logo */
.logo-img{height:40px;width:auto;flex:none;}
.logo-img[src*="logo"]{filter:none;}
footer.site .logo-img{height:34px;}

.logo{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-lt) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800;letter-spacing:-.5px;
  box-shadow:var(--shadow-gold);
}
.logo-txt{display:flex;flex-direction:column;line-height:1.16;}
.logo-txt b{font-size:17px;font-weight:800;letter-spacing:.2px;}
.logo-txt small{font-size:9.5px;font-weight:500;color:var(--gray);letter-spacing:1.1px;}

/* 主菜单 */
.menu{display:flex;align-items:center;gap:2px;flex:1;min-width:0;justify-content:center;overflow:visible;}
.menu>li{position:relative;flex:none;}
.menu>li>a{
  display:block;padding:10px 13px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  border-radius:8px;transition:color .18s,background .18s;white-space:nowrap;
}
.menu>li>a:hover,.menu>li.on>a{color:var(--gold);background:var(--gold-bg2);}
.menu>li>a .car{display:inline-block;width:5px;height:5px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg);margin-left:5px;vertical-align:2px;opacity:.6;}


/* 桌面窄屏：菜单放不下时提前切汉堡，避免项与项叠压 */
/* 桌面窄屏：菜单放不下时切汉堡，避免项与项/与 logo 叠压（阈值按语言菜单宽度实测设定） */
@media (max-width:1400px){
  .menu{display:none;}
  header.site .burger{display:block;}
}
@media (max-width:1560px){
  html[lang="en"] .menu{display:none;}
  html[lang="en"] header.site .burger{display:block;}
}

/* 英文菜单更宽：收紧字号与内边距，避免顶栏溢出 */
html[lang="en"] .menu{gap:0;}
html[lang="en"] .menu>li>a{padding:10px 7px;font-size:12.8px;letter-spacing:-.1px;}
.menu>li>a{padding:10px 11px;font-size:13.8px;}
html[lang="en"] .nav{gap:14px;}
html[lang="en"] .logo-txt b{font-size:15.5px;}
html[lang="en"] .nav-cta{padding:9px 15px;font-size:13.2px;}

/* 下拉 */
.dropdown{
  position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(6px);
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  border:1px solid var(--line-2);padding:10px;min-width:260px;
  opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;
}
.menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dropdown a{
  display:block;padding:8px 14px;border-radius:8px;font-size:13.8px;color:var(--gray-2);
  transition:background .16s,color .16s;white-space:nowrap;
}
.dropdown a:hover{background:var(--gold-bg2);color:var(--gold);}

/* 右侧操作 */
.nav-act{display:flex;align-items:center;gap:10px;flex:none;}
.lang{
  display:flex;align-items:center;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;font-size:12.5px;font-weight:600;
}
.lang a{padding:5px 11px;color:var(--gray);transition:all .18s;}
.lang a.act{background:var(--gold);color:#fff;}
.lang a:not(.act):hover{color:var(--gold);}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:22px;
  background:var(--gold);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-gold);transition:all .2s;white-space:nowrap;
}
.nav-cta:hover{background:var(--gold-dk);transform:translateY(-1px);box-shadow:0 12px 28px rgba(217,147,13,.32);}
.nav-cta svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;}

/* 汉堡 */
.burger{display:none;background:none;border:none;padding:8px;cursor:pointer;color:var(--ink);}
.burger svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}

/* 移动菜单 */
.mobile-menu{
  display:none;position:fixed;inset:68px 0 0 0;background:#fff;z-index:190;
  overflow-y:auto;padding:12px 20px 40px;
}
.mobile-menu.open{display:block;}
.mobile-menu .mm-group{border-bottom:1px solid var(--line-2);}
.mobile-menu .mm-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:600;cursor:pointer;
}
.mobile-menu .mm-head svg{width:16px;height:16px;stroke:var(--gray);fill:none;stroke-width:1.8;transition:transform .22s;}
.mobile-menu .mm-group.open .mm-head svg{transform:rotate(180deg);}
.mobile-menu .mm-body{display:none;padding:0 0 12px 4px;}
.mobile-menu .mm-group.open .mm-body{display:block;}
.mobile-menu .mm-body a{display:block;padding:9px 0 9px 14px;font-size:14.5px;color:var(--gray-2);border-left:2px solid var(--line);}
.mobile-menu .mm-body a:active{color:var(--gold);border-left-color:var(--gold);}
.mobile-menu .mm-single{display:block;padding:15px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line-2);}

/* ============ 面包屑 ============ */
.crumb{background:var(--bg-3);border-bottom:1px solid var(--line-2);}
.crumb .wrap{display:flex;align-items:center;gap:7px;height:46px;font-size:13px;color:var(--gray);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;}
.crumb .wrap::-webkit-scrollbar{display:none;}
.crumb a{color:var(--gray-2);transition:color .18s;}
.crumb a:hover{color:var(--gold);}
.crumb .sep{color:#C8C8CC;flex:none;}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ============ 页面标题区 ============ */
.phead{position:relative;overflow:hidden;padding:64px 0 56px;background:var(--bg-3);}
.phead::before{
  content:"";position:absolute;top:-240px;right:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,147,13,.13) 0%,rgba(217,147,13,0) 68%);
}
.phead .wrap{position:relative;z-index:1;}
.phead .en-lbl{font-size:12px;letter-spacing:2.4px;color:var(--gold);text-transform:uppercase;font-weight:600;}
.phead h1{font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.6px;margin-top:12px;}
.phead .lead{font-size:16px;color:var(--gray-2);margin-top:16px;max-width:760px;line-height:1.8;}

/* ============ 区块 ============ */
section{padding:76px 0;}
.alt{background:var(--bg-2);}
.alt-3{background:var(--bg-3);}
.sec-head{margin-bottom:40px;}
.sec-head .bar{width:44px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-lt));margin-bottom:14px;}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.5px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.sec-head h2 small{font-size:12px;font-weight:500;letter-spacing:1.8px;color:var(--gray);text-transform:uppercase;}
.sec-head p{color:var(--gray-2);margin-top:13px;max-width:720px;font-size:15.5px;line-height:1.8;}
.sec-head.center{text-align:center;}
.sec-head.center .bar{margin-left:auto;margin-right:auto;}
.sec-head.center h2{justify-content:center;}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:28px;
  font-size:14.5px;font-weight:600;transition:all .22s;cursor:pointer;border:none;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .22s;}
.btn-p{background:var(--gold);color:#fff;box-shadow:var(--shadow-gold);}
.btn-p:hover{background:var(--gold-dk);transform:translateY(-2px);box-shadow:0 14px 32px rgba(217,147,13,.34);}
.btn-p:hover svg{transform:translateX(3px);}
.btn-s{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-s:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px);}
.btn-g{background:var(--gold-bg);color:var(--gold);}
.btn-g:hover{background:var(--gold);color:#fff;}

/* ============ 首页 Hero ============ */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;}
.hero::before{
  content:"";position:absolute;top:-200px;right:-160px;width:680px;height:680px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,147,13,.15) 0%,rgba(217,147,13,0) 66%);
}
.hero::after{
  content:"";position:absolute;bottom:-280px;left:-200px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,185,59,.13) 0%,rgba(242,185,59,0) 70%);
}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 15px;border-radius:20px;
  background:var(--gold-bg);color:var(--gold-dk);font-size:12.5px;font-weight:600;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block;}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:800;letter-spacing:-1.2px;margin:20px 0 0;}
.hero h1 .grad{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-lt) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero .sub{font-size:clamp(15px,1.7vw,17px);color:var(--gray-2);margin-top:18px;max-width:580px;line-height:1.8;}
.hero-btns{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.hero-img{position:relative;}
.hero-img img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;padding-top:36px;border-top:1px solid var(--line);}
.stat b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--gold);line-height:1.1;letter-spacing:-1px;}
.stat b i{font-size:.52em;font-style:normal;font-weight:700;}
.stat span{display:block;font-size:13px;color:var(--gray);margin-top:6px;}

/* ============ 分类卡片 ============ */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cat{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;transition:all .24s;position:relative;overflow:hidden;
}
.cat::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-lt));
  transform:scaleX(0);transform-origin:left;transition:transform .28s;
}
.cat:hover{border-color:var(--gold-lt);box-shadow:var(--shadow-md);transform:translateY(-4px);}
.cat:hover::after{transform:scaleX(1);}
.cat .ico{
  width:44px;height:44px;border-radius:12px;background:var(--gold-bg);color:var(--gold);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex:none;
}
.cat .ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.cat b{font-size:16.5px;font-weight:700;display:block;line-height:1.4;}
.cat em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;color:var(--gray);margin-top:3px;text-transform:uppercase;}
.cat p{font-size:13.2px;color:var(--gray-2);line-height:1.65;margin-top:10px;flex:1;}
.cat .more{font-size:13px;font-weight:600;color:var(--gold);margin-top:14px;display:inline-flex;align-items:center;gap:5px;}
.cat .more svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.2;transition:transform .22s;}
.cat:hover .more svg{transform:translateX(3px);}

/* ============ 产品列表（类目页） ============ */
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:all .24s;
}
.pcard:hover{border-color:var(--gold-lt);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.pcard .thumb{
  aspect-ratio:16/10;background:var(--bg-2);display:flex;align-items:center;justify-content:center;
  overflow:hidden;border-bottom:1px solid var(--line-2);
}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.pcard:hover .thumb img{transform:scale(1.04);}
.pcard .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;}
.pcard b{font-size:15.5px;font-weight:700;line-height:1.45;}
.pcard em{display:block;font-style:normal;font-size:11px;color:var(--gray);letter-spacing:.7px;margin-top:3px;text-transform:uppercase;}
.pcard p{font-size:13px;color:var(--gray-2);line-height:1.65;margin-top:9px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pcard .go{font-size:12.8px;font-weight:600;color:var(--gold);margin-top:12px;display:inline-flex;align-items:center;gap:4px;}
.pcard .go svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.4;}

/* 子类导航条 */
.subnav{
  display:flex;gap:8px;overflow-x:auto;padding:4px 0 16px;margin-bottom:8px;
  scrollbar-width:thin;
}
.subnav::-webkit-scrollbar{height:4px;}
.subnav::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px;}
.subnav a{
  flex:none;padding:7px 15px;border-radius:20px;border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--gray-2);background:#fff;transition:all .18s;white-space:nowrap;
}
.subnav a:hover{border-color:var(--gold);color:var(--gold);}
.subnav a.act{background:var(--gold);color:#fff;border-color:var(--gold);}

/* ============ 参数表 ============ */
.tbl-wrap{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px 24px 18px;overflow-x:auto;margin-top:24px;
  max-width:100%;min-width:0;-webkit-overflow-scrolling:touch;
}
.tbl-wrap h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.tbl-wrap h3 small{font-size:11.5px;font-weight:500;color:var(--gray);margin-left:8px;letter-spacing:.8px;}
.tbl-wrap .hint{font-size:12.5px;color:var(--gray);margin-top:4px;}
table.pt{
  width:100%;border-collapse:collapse;margin-top:14px;font-size:13.2px;
  min-width:600px;
}
html[lang="en"] table.pt{min-width:720px;}
table.pt th{
  text-align:left;background:var(--gold);color:#fff;padding:10px 13px;font-weight:600;
  font-size:12.8px;white-space:nowrap;position:sticky;top:0;
}
table.pt th:first-child{border-radius:8px 0 0 0;}
table.pt th:last-child{border-radius:0 8px 0 0;}
table.pt td{
  padding:9px 13px;border-bottom:1px solid var(--line-2);color:var(--gray-2);
  vertical-align:top;line-height:1.6;
}
table.pt td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
table.pt tbody tr:hover td{background:var(--gold-bg2);}
table.pt tbody tr:last-child td{border-bottom:none;}
table.pt .rowspan-key{background:var(--bg-3);font-weight:700;color:var(--ink-2);}

/* ============ 图文内容块 ============ */
.prose{max-width:none;}
.prose p{font-size:15.5px;color:var(--gray-2);line-height:1.9;margin-bottom:16px;}
.prose p:last-child{margin-bottom:0;}
.prose h3{font-size:19px;font-weight:700;margin:30px 0 12px;color:var(--ink);}
.prose ul{margin:14px 0 18px;}
.prose ul li{
  position:relative;padding-left:20px;font-size:15px;color:var(--gray-2);
  line-height:1.85;margin-bottom:8px;
}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--gold-lt);
}

/* 特性栅格 */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px;}
.feat{background:var(--bg-3);border-radius:var(--radius-sm);padding:20px 20px;}
.feat b{display:block;font-size:14.5px;font-weight:700;color:var(--gold);margin-bottom:6px;}
.feat span{font-size:13.5px;color:var(--gray-2);line-height:1.7;}

/* 产品主图 */
.pmain{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.pmain .pic{background:var(--bg-2);border-radius:var(--radius-lg);padding:24px;display:flex;align-items:center;justify-content:center;}
.pmain .pic img{max-height:400px;object-fit:contain;}

/* ============ 行业应用 ============ */
.inds{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.ind{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 12px;text-align:center;transition:all .22s;
}
.ind:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow);}
.ind svg{width:26px;height:26px;stroke:var(--gold);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 10px;}
.ind span{font-size:13.5px;font-weight:600;display:block;}
.ind em{display:block;font-style:normal;font-size:10.5px;color:var(--gray);margin-top:3px;letter-spacing:.4px;}

/* ============ 优势 / 流程 ============ */
.advs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.adv{background:#fff;border-radius:var(--radius);padding:26px 22px;border:1px solid var(--line);transition:all .22s;}
.adv:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow);}
.adv .n{font-size:12px;font-weight:800;color:var(--gold);letter-spacing:1px;}
.adv b{display:block;font-size:16px;font-weight:700;margin-top:8px;}
.adv span{display:block;margin-top:8px;font-size:13.5px;color:var(--gray-2);line-height:1.7;}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.step{background:#fff;border-radius:var(--radius);padding:24px 20px;border:1px solid var(--line);position:relative;transition:all .22s;}
.step:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow);}
.step i{
  font-style:normal;font-size:12px;font-weight:800;color:var(--gold);
  background:var(--gold-bg);border-radius:8px;padding:5px 11px;display:inline-block;
}
.step b{display:block;margin-top:13px;font-size:15.5px;font-weight:700;}
.step span{display:block;margin-top:8px;font-size:13.2px;color:var(--gray-2);line-height:1.65;}

/* ============ 联系 CTA ============ */
.cta{
  border-radius:var(--radius-lg);padding:52px 48px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-lt) 100%);
}
.cta::after{
  content:"";position:absolute;top:-100px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.13);
}
.cta .inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.5px;}
.cta p{font-size:15px;color:rgba(255,255,255,.92);margin-top:10px;max-width:560px;}
.cta .btn-w{background:#fff;color:var(--gold-dk);box-shadow:0 8px 24px rgba(0,0,0,.14);}
.cta .btn-w:hover{background:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.2);}

/* ============ 联系信息 ============ */
.ct-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.ct-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:all .22s;}
.ct-card:hover{border-color:var(--gold-lt);box-shadow:var(--shadow);}
.ct-card .ico{
  width:38px;height:38px;border-radius:10px;background:var(--gold-bg);color:var(--gold);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.ct-card .ico svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.ct-card b{display:block;font-size:13px;color:var(--gray);font-weight:500;margin-bottom:5px;}
.ct-card span{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.6;overflow-wrap:anywhere;}

/* ============ 页脚 ============ */
footer.site{background:#17171A;color:#A8A8B0;padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.foot-brand .logo-txt b{color:#fff;}
.foot-brand .logo-txt small{color:#77777F;}
.foot-brand p{font-size:13.2px;line-height:1.8;color:#8E8E96;margin-top:16px;max-width:320px;}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-social a{
  width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.foot-social a:hover{background:var(--gold);}
.foot-social svg{width:16px;height:16px;stroke:#C8C8D0;fill:none;stroke-width:1.7;}
.foot-social a:hover svg{stroke:#fff;}
.foot-col h4{font-size:13.5px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.3px;}
.foot-col a{display:block;font-size:13.2px;color:#8E8E96;line-height:1.6;padding:5px 0;transition:color .18s;}
.foot-col a:hover{color:var(--gold-lt);}
.foot-contact li{display:flex;gap:9px;font-size:13.2px;line-height:1.7;padding:5px 0;color:#8E8E96;}
.foot-contact svg{width:14px;height:14px;stroke:var(--gold);fill:none;stroke-width:1.8;flex:none;margin-top:4px;}
.foot-bot{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.3px;color:#6E6E76;
}
.foot-bot nav{display:flex;gap:18px;flex-wrap:wrap;}
.foot-bot a:hover{color:var(--gold-lt);}

/* ============ 返回顶部 ============ */
.totop{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .26s;z-index:150;
}
.totop.show{opacity:1;visibility:visible;transform:none;}
.totop:hover{border-color:var(--gold);background:var(--gold);}
.totop svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2.2;transition:stroke .2s;}
.totop:hover svg{stroke:#fff;}

/* ============ 滚动显现 ============ */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);}
.rv.in{opacity:1;transform:none;}
html.no-js .rv{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .cats{grid-template-columns:repeat(3,1fr);}
  .plist{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .foot-grid .foot-col:last-child{grid-column:1/-1;}
  .ct-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:920px){
  .menu{display:none;}
  .burger{display:block;}
  .nav-act .nav-cta{display:none;}
  .hero .wrap{grid-template-columns:1fr;gap:36px;}
  .hero-img{order:-1;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cats{grid-template-columns:repeat(2,1fr);}
  .inds{grid-template-columns:repeat(3,1fr);}
  .advs,.steps{grid-template-columns:repeat(2,1fr);}
  .feats{grid-template-columns:1fr;}
  .pmain{grid-template-columns:1fr;gap:28px;}
  .phead{padding:48px 0 40px;}
  section{padding:56px 0;}
  .cta{padding:40px 28px;}
}

@media (max-width:700px){
  .topbar .tb-l{display:none;}
  .topbar .wrap{justify-content:center;}
  .nav{height:60px;}
  .mobile-menu{inset:60px 0 0 0;}
  .logo-mark{width:32px;height:32px;font-size:12.5px;}
  .logo-txt b{font-size:15.5px;}
  .logo-txt small{font-size:8.5px;}
  .cats{grid-template-columns:1fr;}
  .plist{grid-template-columns:1fr;}
  .inds{grid-template-columns:repeat(2,1fr);}
  .advs,.steps{grid-template-columns:1fr;}
  .ct-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bot{flex-direction:column;align-items:flex-start;}
  .tbl-wrap{padding:16px 14px 12px;margin-left:-8px;margin-right:-8px;border-radius:10px;}
  table.pt{font-size:12.5px;min-width:520px;}
  table.pt th,table.pt td{padding:8px 10px;}
  .cta{padding:32px 22px;border-radius:16px;}
  .totop{right:16px;bottom:16px;width:40px;height:40px;}
  .phead .lead{font-size:14.5px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .rv{opacity:1;transform:none;}
}

/* 手机端：语言切换器收窄，避免溢出 */
@media (max-width:700px){
  .logo-img{height:28px;}
  .lang a{padding:5px 8px;}
  .nav-act{margin-left:auto;}
}
.foot-icp{margin-top:14px;font-size:12px;}
.foot-icp a{color:rgba(255,255,255,.55);text-decoration:none;}
.foot-icp a:hover{color:#fff;text-decoration:underline;}