@charset "utf-8";
/* =========================================================================
   重庆康曌酒店设备有限公司 — 首页（对照 daeden.com 版式复刻）
   基准视口 1440：内容宽 1344 / 导航 101 / Banner 645 / 数据带 169
   区块：导航 · Banner · 数据带 · 产品中心(图标行+图文) · 深色品牌段 ·
        新品发布 · 需求横幅 · 品牌动态 · 服务条 · 深色页脚
   ========================================================================= */

:root{
  --red:      #e60013;
  --red-dk:   #c00010;
  --ink:      #111111;
  --title:    #262626;
  --text:     #333333;
  --text-2:   #666666;
  --sub:      #999999;
  --gray:     #f5f5f5;
  --line:     #e5e5e5;
  --line-2:   #eeeeee;

  --wrap:     1344px;
  --nav-h:    96px;
  --logo-h:   64px;
  --sec-y:    88px;

  --font-cn:  "Helvetica Neue",Helvetica,Arial,"Microsoft YaHei","PingFang SC",sans-serif;
  --font-en:  "Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-serif:Georgia,"Times New Roman",serif;

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

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:#fff;color:var(--text);
  font-family:var(--font-cn);font-size:14px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease)}
img{display:block;max-width:100%;border:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit;border:0;outline:none;background:none}
::selection{background:var(--red);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{position:relative;padding:var(--sec-y) 0}
.sec--gray{background:var(--gray)}

/* ---------------- 入场动画（对标参考站 fadeInUp 节奏） ---------------- */
.js-anim [data-reveal]{
  opacity:0;transform:translate3d(0,46px,0);
  transition:opacity .95s cubic-bezier(.215,.61,.355,1),
             transform .95s cubic-bezier(.215,.61,.355,1);
  transition-delay:var(--d,0ms);
  will-change:opacity,transform;
}
.js-anim [data-reveal="left"]{transform:translate3d(-52px,0,0)}
.js-anim [data-reveal="right"]{transform:translate3d(52px,0,0)}
.js-anim [data-reveal="zoom"]{transform:scale(.93);opacity:0}
.js-anim [data-reveal="fade"]{transform:none}
.js-anim [data-reveal].in{opacity:1;transform:none}
.js-anim .img-mask{overflow:hidden}
.js-anim .img-mask img{
  transform:scale(1.14);
  transition:transform 1.5s cubic-bezier(.215,.61,.355,1);
  transition-delay:calc(var(--d,0ms) + 80ms);
}
.js-anim .img-mask.in img{transform:scale(1)}

/* ---------------- 视差分层（--plx-y 由脚本写入） ---------------- */
[data-plx]{will-change:transform;backface-visibility:hidden}
.hero-media{transform:translate3d(0,var(--plx-y,0px),0)}
.hero-copy{transform:translate3d(0,var(--plx-y,0px),0)}
.brand-media img{display:none}
.brand-copy{transform:translate3d(0,var(--plx-y,0px),0)}
.cta-in{transform:translate3d(0,var(--plx-y,0px),0)}
.feature .pic img{transform:translate3d(0,var(--plx-y,0px),0) scale(1.05)}
.feature:hover .pic img{transform:translate3d(0,var(--plx-y,0px),0) scale(1.08)}
.ghost{transform:translate(-50%,var(--plx-y,0px))}

/* 首屏文案随滚动轻微上浮（与背景下移形成纵深） */
.hero-copy{will-change:transform}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-anim [data-reveal],.js-anim .img-mask img{
    opacity:1!important;transform:none!important;transition:none!important;
  }
  .hero-media,.hero-copy,.brand-copy,.cta img,.cta-in,
  .feature .pic img{transform:none!important}
  .brand-media img{transform:scale(1.12)!important}
  .ghost{transform:translate(-50%,0)!important}
}

/* ---------------- 头部（对齐 aisite 康曌站：白底 + 右对齐菜单 + 咨询电话 + AI搜索） ---------------- */
.hd{
  position:fixed;left:0;right:0;top:0;z-index:900;
  height:var(--nav-h);background:#fff;
  box-shadow:0 2px 12px rgba(0,0,0,.06);
}
.hd-in{
  position:relative;height:100%;max-width:1800px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;gap:24px;
}
.hd-logo{flex:0 0 auto;display:flex;align-items:center}
.hd-logo img{height:var(--logo-h);width:auto}

/* 主菜单：靠右，整格红底 hover */
.hd-nav{margin-left:auto;height:100%}
.hd-nav ul{display:flex;align-items:center;height:100%}
.hd-nav li{position:relative;height:100%;display:flex;align-items:center}
.hd-nav a{
  position:relative;display:flex;align-items:center;height:100%;
  padding:0 26px;font-size:17px;color:var(--text);white-space:nowrap;
  transition:background-color .3s var(--ease-hd,var(--ease)),color .3s var(--ease-hd,var(--ease));
}
.hd-nav li.on > a{color:var(--red)}
.hd-nav li:hover > a{background:var(--red);color:#fff}

/* 二级箭头：仅带下拉的栏目 */
.hd-nav li.has-drop > a::after{
  content:"";display:block;position:static;left:auto;bottom:auto;
  width:7px;height:7px;margin:-5px 0 0 8px;border-radius:0;background:none;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  opacity:1;transform:rotate(45deg);
  transition:transform .18s var(--ease-hd,var(--ease)),margin .18s var(--ease-hd,var(--ease));
}
.hd-nav li.has-drop:hover > a::after{transform:rotate(225deg);margin-top:4px}

/* 二级面板 */
.hd-drop{
  position:absolute;left:0;top:100%;
  min-width:186px;padding:0;background:#fff;
  border:0;box-shadow:0 14px 34px rgba(0,0,0,.12);
  transform:translateY(14px);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease-hd,var(--ease)),transform .3s var(--ease-hd,var(--ease)),visibility .3s;
}
.hd-drop a{
  display:block;height:auto;padding:14px 24px;background:#fff;
  font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.hd-drop a:last-child{border-bottom:0}
.hd-drop a:hover{background:#fdeaea;color:var(--red);font-weight:700}
.hd-nav li:hover .hd-drop{opacity:1;visibility:visible;transform:translateY(0)}

/* 咨询订购电话 */
.hd-tel{flex:none;display:flex;align-items:center;gap:10px;color:var(--text)}
.hd-tel .tel-ico{
  width:44px;height:44px;border-radius:50%;flex:none;
  display:grid;place-items:center;background:#fdeaea;color:var(--red);
}
.hd-tel svg{width:22px;height:22px}
.hd-tel p{margin:0;line-height:1.3}
.hd-tel p span{display:block;font-size:12px;color:#9aa0ad}
.hd-tel p b{display:block;font-family:"Arial Narrow",Arial,sans-serif;font-size:20px;letter-spacing:.5px;color:var(--red)}

/* AI 搜索按钮 */
.hd-ai{
  flex:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border:0;border-radius:999px;
  background:var(--red);color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;
  white-space:nowrap;cursor:pointer;
  box-shadow:0 6px 16px rgba(230,0,19,.22);
  transition:background-color .3s var(--ease-hd,var(--ease)),box-shadow .3s var(--ease-hd,var(--ease)),transform .3s var(--ease-hd,var(--ease));
}
.hd-ai:hover{background:var(--red-dk);box-shadow:0 10px 24px rgba(230,0,19,.3);transform:translateY(-1px)}
.hd-ai svg{width:18px;height:18px;flex:none}

/* 汉堡 */
.hd-burger{display:none;width:34px;height:34px;position:relative;margin-left:auto}
.hd-burger i{position:absolute;left:5px;width:24px;height:1.5px;background:var(--ink);transition:transform .35s var(--ease-hd,var(--ease)),opacity .3s}
.hd-burger i:nth-child(1){top:11px}
.hd-burger i:nth-child(2){top:17px}
.hd-burger i:nth-child(3){top:23px}
.hd-burger.on i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hd-burger.on i:nth-child(2){opacity:0}
.hd-burger.on i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动端菜单 */
.mnav{
  position:fixed;inset:0;z-index:890;background:#fff;
  padding:calc(var(--nav-h) + 14px) 28px 40px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform .5s var(--ease-hd,var(--ease)),visibility .5s;overflow-y:auto;
}
.mnav.on{transform:none;visibility:visible}
.mnav ul{margin:0;padding:0;list-style:none}
.mnav li{border-bottom:1px solid var(--line-2)}
.mnav > ul > li > a{display:block;padding:16px 0;font-size:16px;color:#333}
.mnav .m-sub{display:none;padding-bottom:12px}
.mnav li.open .m-sub{display:block}
.mnav .m-sub a{display:block;padding:8px 0 8px 14px;font-size:13px;color:#666}
.mnav .m-tel{margin-top:26px;font-size:20px;color:var(--red);font-weight:600}
.mnav .m-tel small{display:block;font-size:11px;color:var(--sub);letter-spacing:.12em;font-weight:400;margin-bottom:4px}

/* 头部断点 */
@media (max-width:1600px){
  .hd-nav a{padding:0 20px;font-size:16px}
}
@media (max-width:1465px){
  .hd-nav a{padding:0 16px}
  .hd-in{gap:20px}
}
@media (max-width:1360px){
  .hd-tel .tel-ico{width:38px;height:38px}
  .hd-tel svg{width:18px;height:18px}
  .hd-tel p span{display:none}
  .hd-tel p b{font-size:17px}
  .hd-ai{height:40px;padding:0 16px;font-size:14px}
}
@media (max-width:1279px){
  :root{--nav-h:76px;--hd-h:76px;--logo-h:52px}
  .hd-tel{display:none}
  .hd-nav a{padding:0 14px;font-size:15px}
  .hd-ai{height:38px;padding:0 14px;font-size:13.5px;gap:6px}
  .hd-ai svg{width:16px;height:16px}
}
@media (max-width:1023px){
  .hd-nav a{padding:0 9px;font-size:13.5px}
  .hd-ai{padding:0 11px;font-size:13px;gap:5px}
  .hd-in{gap:14px}
  .hd-nav li.has-drop > a::after{width:6px;height:6px;margin-left:6px}
}
/* 窄平板：菜单收进汉堡，避免与电话/AI 挤在一行 */
@media (max-width:900px){
  .hd-nav{display:none}
  .hd-burger{display:block;margin-left:6px}
  .hd-ai{margin-left:auto}
}
@media (max-width:767px){
  :root{--nav-h:64px;--hd-h:64px;--logo-h:40px}
  .hd-nav{display:none}
  .hd-burger{display:block;margin-left:6px}
  .hd-in{gap:12px}
  .hd-ai{margin-left:auto}
  .hd-ai{height:34px;padding:0 12px;font-size:13px;gap:5px}
  .hd-ai svg{width:15px;height:15px}
}

/* ---------------- AI 搜索弹层 ---------------- */
.ai-mask{
  position:fixed;inset:0;z-index:1200;
  display:flex;align-items:flex-start;justify-content:center;
  padding:12vh 20px 40px;background:rgba(9,10,13,.55);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease-hd,var(--ease)),visibility .3s;
}
.ai-mask.on{opacity:1;visibility:visible}
.ai-panel{
  width:100%;max-width:860px;background:#fff;
  box-shadow:0 30px 80px rgba(0,0,0,.28);
  transform:translateY(-16px);opacity:0;
  transition:transform .38s var(--ease-hd,var(--ease)),opacity .38s var(--ease-hd,var(--ease));
  max-height:76vh;display:flex;flex-direction:column;
}
.ai-mask.on .ai-panel{transform:none;opacity:1}
.ai-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.ai-head .spark{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:50%;background:#fdeaea;color:var(--red)}
.ai-head .spark svg{width:17px;height:17px}
.ai-input{flex:1;min-width:0;height:34px;font-size:16px;color:var(--ink);background:none;border:0;outline:none}
.ai-input::placeholder{color:#b6bac1}
.ai-esc{flex:none;font-size:12px;color:#9aa0ad;border:1px solid var(--line);border-radius:3px;padding:3px 7px;line-height:1;cursor:pointer;background:#fff}
.ai-esc:hover{color:var(--ink);border-color:#c9ccd1}
.ai-body{padding:18px 22px 8px;overflow-y:auto}
.ai-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px}
.ai-tags span{font-size:12.5px;color:#9aa0ad}
.ai-tags button{
  font-size:12.5px;color:var(--text);background:#f5f6f8;border:0;border-radius:2px;
  padding:6px 12px;cursor:pointer;transition:background .25s,color .25s;
}
.ai-tags button:hover{background:#fdeaea;color:var(--red)}
.ai-say{
  background:#fff6f7;border-left:3px solid var(--red);
  padding:14px 16px;font-size:13.5px;line-height:1.85;color:#4a4f59;margin-bottom:18px;
}
.ai-say b{color:var(--red)}
.ai-say .ai-load{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);margin-left:3px;animation:aiBlink 1s infinite}
.ai-say .ai-load:nth-child(2){animation-delay:.2s}
.ai-say .ai-load:nth-child(3){animation-delay:.4s}
@keyframes aiBlink{0%,100%{opacity:.2}50%{opacity:1}}
.ai-list{margin:0;padding:0;list-style:none}
.ai-list li{border-top:1px solid #f0f1f3}
.ai-list li:first-child{border-top:0}
.ai-list a{display:block;padding:13px 2px;transition:background .25s}
.ai-list a:hover{background:#fafafa}
.ai-list .ai-top{display:flex;align-items:center;gap:8px}
.ai-list .ai-type{flex:none;font-size:11px;line-height:1;color:var(--red);border:1px solid #f8cdd2;background:#fff5f6;padding:3px 6px;border-radius:2px}
.ai-list .ai-t{font-size:15px;color:var(--ink);font-weight:700}
.ai-list em{font-style:normal;color:var(--red);background:#fff1f2}
.ai-list .ai-d{display:block;margin-top:5px;font-size:12.5px;line-height:1.8;color:#8a8f99}
.ai-empty{padding:26px 2px 30px;font-size:13.5px;line-height:2;color:#8a8f99}
.ai-empty b{color:var(--ink)}
.ai-foot{padding:12px 22px;border-top:1px solid var(--line);font-size:12px;color:#9aa0ad;display:flex;justify-content:space-between;gap:12px}
.ai-foot b{color:var(--red)}
@media (max-width:767px){
  .ai-mask{padding:8vh 14px 30px}
  .ai-panel{max-height:80vh}
  .ai-body{padding:14px 16px 6px}
  .ai-head{padding:14px 16px}
  .ai-input{font-size:15px}
  .ai-esc{display:none}
  .ai-foot{padding:10px 16px;font-size:11.5px}
}



/* ---------------- Banner（高度 = 视口高 - 导航） ---------------- */
.hero{
  position:relative;
  height:calc(100vh - var(--nav-h));
  height:calc(100svh - var(--nav-h));
  min-height:520px;max-height:1100px;
  margin-top:var(--nav-h);
  overflow:hidden;background:#0d0d0d;color:#fff;
}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity 1.1s ease,visibility 1.1s;
  display:flex;align-items:center;
}
.hero-slide.on{opacity:1;visibility:visible;z-index:2}
/* 视差层：比图片更大，留出上下移动余量 */
.hero-media{
  position:absolute;left:0;right:0;top:-9%;bottom:-9%;
  will-change:transform;
}
.hero-slide img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.06);transition:transform 8s linear;
}
.hero-slide.on img{transform:scale(1)}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.74) 0%,rgba(0,0,0,.44) 38%,rgba(0,0,0,.06) 62%,rgba(0,0,0,.2) 100%);
}
.hero-in{
  position:relative;z-index:2;width:100%;max-width:1440px;margin:0 auto;padding:0 48px;
}
.hero-copy{max-width:620px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12px;letter-spacing:.18em;color:rgba(255,255,255,.72);text-transform:uppercase;
}
.hero-kicker i{width:30px;height:1px;background:rgba(255,255,255,.5)}
.hero-title{margin-top:20px;font-size:38px;line-height:1.42;font-weight:700;letter-spacing:.02em}
.hero-title span{display:block}
.hero-en{margin-top:16px;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.5);text-transform:uppercase}
.hero-btn{
  display:inline-flex;align-items:center;gap:14px;
  margin-top:32px;padding:0 30px;height:44px;
  border:1px solid rgba(255,255,255,.6);
  font-size:13px;letter-spacing:.1em;color:#fff;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
}
.hero-btn:hover{background:#fff;color:var(--ink);border-color:#fff}

.hero-copy > *{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.hero-slide.on .hero-copy > *{opacity:1;transform:none}
.hero-slide.on .hero-kicker{transition-delay:.2s}
.hero-slide.on .hero-title{transition-delay:.32s}
.hero-slide.on .hero-en{transition-delay:.44s}
.hero-slide.on .hero-btn{transition-delay:.54s}

.hero-dots{
  position:absolute;left:50%;bottom:26px;z-index:4;transform:translateX(-50%);
  display:flex;gap:10px;
}
.hero-dots button{
  width:26px;height:3px;background:rgba(255,255,255,.3);position:relative;overflow:hidden;
}
.hero-dots button span{position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:left}
.hero-dots button.on span{animation:hdot 7s linear forwards}
@keyframes hdot{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-arrow{
  position:absolute;top:50%;z-index:4;transform:translateY(-50%);
  width:44px;height:44px;display:grid;place-items:center;
  color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.28);
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s;
}
.hero-arrow:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero-arrow svg{width:15px;height:15px}
.hero-arrow.prev{left:24px}
.hero-arrow.next{right:24px}

/* ---------------- 数据带 ---------------- */
.stats{background:#fff;border-bottom:1px solid var(--line-2)}
.stats ul{display:grid;grid-template-columns:repeat(4,1fr)}
.stats li{
  height:169px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  border-left:1px solid var(--line-2);
}
.stats li:first-child{border-left:0}
.stats b{
  display:flex;align-items:baseline;gap:5px;
  font-size:40px;font-weight:400;color:#1a1a1a;line-height:1;letter-spacing:.01em;
}
.stats b em{font-style:normal}
.stats b i{font-style:normal;font-size:13px;color:var(--sub)}
.stats span{margin-top:14px;font-size:12px;color:var(--sub)}

/* ---------------- 区块标题 ---------------- */
.sec-head{position:relative;text-align:center;margin-bottom:52px}
.ghost{
  position:absolute;left:50%;top:-46px;transform:translateX(-50%);
  font-family:var(--font-en);font-weight:700;
  font-size:92px;line-height:1;letter-spacing:.02em;
  color:#f2f2f2;white-space:nowrap;pointer-events:none;user-select:none;
}
.ghost--sm{font-size:72px;top:-34px}
.sec--gray .ghost{color:#efefef}
.sec-title{position:relative;font-size:36px;line-height:1.5;font-weight:700;color:var(--title);letter-spacing:.02em}
.sec-line{display:block;width:1px;height:28px;background:#cfcfcf;margin:14px auto 16px}
.js-anim .sec-head .sec-line{transform:scaleY(0);transform-origin:top;transition:transform .8s .28s cubic-bezier(.215,.61,.355,1)}
.js-anim .sec-head.in .sec-line{transform:scaleY(1)}
.sec-sub{font-size:12px;color:var(--sub);letter-spacing:.04em}

/* ---------------- 产品中心 ---------------- */
.cats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);margin-bottom:35px;
}
.cats button{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:6px 0 26px;color:#8c8c8c;
  transition:color .3s var(--ease);
}
.cats button::before{
  content:"";position:absolute;left:0;top:14px;bottom:26px;width:1px;background:var(--line-2);
}
.cats button:first-child::before{display:none}
.cats svg{width:40px;height:40px;stroke:currentColor;fill:none;stroke-width:1.1;transition:transform .4s var(--ease)}
.cats span{font-size:13px;letter-spacing:.04em}
.cats button:hover,.cats button.on{color:var(--red)}
.cats button:hover svg{transform:translateY(-3px)}
.cats button.on::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  border:6px solid transparent;border-top-color:#cfcfcf;
}

.feature{
  display:grid;grid-template-columns:1fr 523px;
  height:480px;
  background:#fff;overflow:hidden;
}
.feature .pic{position:relative;overflow:hidden;min-height:0;height:100%}
.feature .pic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.feature:hover .pic img{transform:scale(1.03)}
.feature-card{
  padding:44px 56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
}
.feature-card .en{
  font-family:var(--font-serif);font-size:20px;letter-spacing:.12em;
  color:#bdbdbd;text-transform:uppercase;
}
.feature-card h3{margin-top:8px;font-size:20px;font-weight:700;color:var(--title);letter-spacing:.06em}
.feature-card .bar{width:34px;height:2px;background:var(--red);margin:18px 0 22px}
.feature-card p{font-size:12px;line-height:2.2;color:#8a8a8a}
.feature-card .btn-pill{margin-top:28px}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:44px;padding:0 34px;border-radius:22px;
  background:var(--red);color:#fff;font-size:13px;letter-spacing:.06em;
  transition:background .3s var(--ease);
}
.btn-pill:hover{background:var(--red-dk)}

/* 产品中心下方产品列（单排滑动 + 左右切换） */
.plist-wrap{position:relative;margin-top:36px;padding:0}
.plist-view{
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.plist-view::-webkit-scrollbar{display:none}
.plist{display:flex;gap:20px;padding:6px 2px 10px}
.plist li{flex:0 0 calc((100% - 60px)/4);scroll-snap-align:start}
.plist a{
  display:block;background:#fff;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.plist a:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.07)}
.plist .pic{
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;
  background:#fff;overflow:hidden;padding:16px;
}
.plist .pic img{
  max-width:100%;max-height:100%;object-fit:contain;
  mix-blend-mode:multiply;transition:transform .9s var(--ease);
}
.plist a:hover .pic img{transform:scale(1.05)}
.plist .name{
  height:44px;display:flex;align-items:center;justify-content:center;text-align:center;
  background:#f2f2f2;font-size:12px;color:#666;padding:0 12px;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.plist a:hover .name{background:#eaeaea;color:var(--red)}

.pl-arrow{
  position:absolute;top:50%;z-index:3;
  width:44px;height:44px;margin-top:-22px;
  display:grid;place-items:center;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:#555;
  box-shadow:0 8px 22px rgba(20,22,28,.08);
  transition:background .3s var(--ease),color .3s var(--ease),
             border-color .3s var(--ease),opacity .3s var(--ease);
}
.pl-arrow:hover{background:var(--red);border-color:var(--red);color:#fff}
.pl-arrow:disabled{opacity:.28;cursor:default;box-shadow:none}
.pl-arrow:disabled:hover{background:#fff;border-color:var(--line);color:#555}
.pl-arrow svg{width:16px;height:16px}
.pl-prev{left:12px}
.pl-next{right:12px}

/* ---------------- 深色品牌段 ---------------- */
.brand{
  display:grid;grid-template-columns:55% 45%;
  background:#141414 url("../img/dd/dd-craft.jpg") center center / cover no-repeat fixed;
  color:#fff;min-height:660px;
  position:relative;
}
/* 板块底部撕纸边：整幅宽度，与上下板块衔接 */
.brand::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:22px;z-index:3;
  background:#fff;opacity:1;pointer-events:none;
  clip-path:polygon(0 62%,3% 48%,7% 66%,12% 40%,17% 62%,22% 46%,27% 70%,33% 44%,38% 64%,44% 40%,50% 66%,56% 46%,62% 70%,68% 42%,74% 62%,80% 46%,86% 68%,92% 44%,96% 60%,100% 48%,100% 100%,0 100%);
}
.brand-copy{
  padding:96px 96px 96px max(48px,calc((100vw - 1440px)/2 + 70px));
  display:flex;flex-direction:column;justify-content:center;
  position:relative;overflow:hidden;
}
/* 左侧文字区：自上而下的暗色遮罩，保证压字可读，向右渐隐露出固定背景 */
.brand-copy::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(90deg,rgba(9,10,13,.94) 0%,rgba(9,10,13,.88) 50%,rgba(9,10,13,.8) 80%,rgba(9,10,13,.4) 100%);
  pointer-events:none;
}
.brand-copy > *{position:relative;z-index:1}
.brand-copy h2{font-size:32px;font-weight:700;letter-spacing:.04em;line-height:1.5}
.brand-kicker{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.55)}
.brand-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red)}
.brand-lead{margin-top:26px;max-width:640px;font-size:13px;line-height:2.1;color:rgba(255,255,255,.72)}

/* 技术方案四点 */
.tech-list{
  display:grid;grid-template-columns:1fr;
  gap:32px;margin:40px 0 0;padding:0;list-style:none;
  max-width:780px;
}
.tech-list li{position:relative}
.tech-list .no{
  display:block;font-family:var(--font-en);font-size:11px;letter-spacing:.2em;
  color:var(--red);line-height:1;
}
.tech-list h3{
  margin-top:9px;font-size:17px;font-weight:700;color:#fff;
  letter-spacing:.04em;line-height:1.5;
}
.tech-list p{
  margin-top:8px;font-size:12px;line-height:1.95;
  color:rgba(255,255,255,.68);
}
.brand-copy .btn-pill{margin-top:44px;align-self:flex-start;background:var(--red);padding:0 30px}
.brand-media{position:relative;overflow:hidden}
.brand-media img{width:100%;height:100%;object-fit:cover;opacity:.92}

/* ---------------- 走进康曌 ---------------- */
.walk{padding:var(--sec-y) 0;background:#fff}
.walk-top{display:grid;grid-template-columns:1.02fr 1fr;gap:64px;align-items:center}
.walk-media{position:relative;overflow:hidden;aspect-ratio:3/2;background:var(--gray)}
.walk-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.walk:hover .walk-media img{transform:scale(1.03)}
.walk-copy h2{font-size:34px;line-height:1.4;font-weight:700;color:var(--title);letter-spacing:.02em}
.walk-sub{margin-top:14px;font-size:13px;line-height:1.85;color:#8a8a8a}
.walk-copy p{margin-top:20px;font-size:13px;line-height:2.05;color:#6f6f6f}
.walk-copy .btn-pill{margin-top:32px}

.walk-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.walk-cards a{
  position:relative;isolation:isolate;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;background:#fff;
  border:0;box-shadow:inset 0 0 0 1px var(--line-2);
  transform:perspective(760px) translateY(0);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
  will-change:transform;
}
/* 红色斜切覆盖层：从左下角斜扫进来 */
.walk-cards a::before{
  content:"";position:absolute;inset:-14% -22%;z-index:0;pointer-events:none;
  background:linear-gradient(118deg,#e60013 0%,#c00010 58%,#8f000c 100%);
  transform:translate3d(-104%,104%,0) skewX(-6deg);
  transition:transform .62s cubic-bezier(.22,1,.36,1);
}
/* 跟随鼠标的高光 */
.walk-cards a::after{
  content:"";position:absolute;inset:0;z-index:0;opacity:0;pointer-events:none;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.30),rgba(255,255,255,0) 62%);
  transition:opacity .45s var(--ease);
}
.walk-cards a > *{position:relative;z-index:1}
.walk-cards a:hover{
  transform:perspective(760px) translateY(-6px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(1.012);
  box-shadow:0 24px 48px rgba(230,0,19,.20),0 6px 16px rgba(0,0,0,.06);
}
.walk-cards a:hover::before{transform:translate3d(0,0,0) skewX(-6deg)}
.walk-cards a:hover::after{opacity:1}
.walk-cards .t,.walk-cards .e{transition:color .4s var(--ease),transform .45s var(--ease),letter-spacing .45s var(--ease)}
.walk-cards .t{display:block;font-size:20px;font-weight:700;color:var(--title);letter-spacing:.04em}
.walk-cards .e{display:block;margin-top:6px;font-size:12px;color:#b3b3b3;letter-spacing:.06em}
.walk-cards a:hover .t{color:#fff;transform:translateX(3px)}
.walk-cards a:hover .e{color:rgba(255,255,255,.72);letter-spacing:.14em;transform:translateX(3px)}
.walk-cards svg{
  width:36px;height:36px;flex:0 0 auto;color:#9a9a9a;
  transition:color .4s var(--ease),transform .6s cubic-bezier(.22,1,.36,1),filter .4s var(--ease);
}
.walk-cards a:hover svg{color:#fff;transform:rotate(-8deg) scale(1.14);filter:drop-shadow(0 6px 12px rgba(0,0,0,.2))}

/* ---------------- 新品发布 ---------------- */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prod{background:#fff;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.prod:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(0,0,0,.06)}
.prod .pic{
  height:300px;display:flex;align-items:center;justify-content:center;
  background:#fff;overflow:hidden;
}
.prod .pic img{max-width:86%;max-height:86%;object-fit:contain;mix-blend-mode:multiply;transition:transform .9s var(--ease)}
.prod:hover .pic img{transform:scale(1.05)}
.prod .name{
  height:48px;display:flex;align-items:center;justify-content:center;
  background:var(--gray);font-size:12px;color:#666;padding:0 12px;text-align:center;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.prod:hover .name{background:#ededed;color:var(--red)}

/* ---------------- 荣誉资质 ---------------- */
.honor-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.honor-row a{
  display:block;background:#fff;padding:10px 10px 0;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.honor-row a:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(20,22,28,.08)}
.honor-row .pic{aspect-ratio:4/3;overflow:hidden;background:#f4f4f4}
.honor-row img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.honor-row a:hover img{transform:scale(1.04)}
.honor-row p{
  margin:0;padding:14px 10px 18px;text-align:center;
  font-size:12.5px;line-height:1.75;color:#666;
  min-height:72px;display:flex;align-items:center;justify-content:center;
  transition:color .3s var(--ease);
}
.honor-row a:hover p{color:var(--red)}
.honor-more{text-align:center;margin-top:40px}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 34px;border:1px solid #d8d8d8;
  font-size:13px;letter-spacing:.06em;color:#555;
  transition:border-color .3s var(--ease),color .3s var(--ease),background .3s var(--ease);
}
.btn-line:hover{border-color:var(--red);color:#fff;background:var(--red)}

/* ---------------- 需求横幅 ---------------- */
.cta{
  position:relative;height:328px;display:flex;align-items:center;
  background:#0d0d0d url("../img/dd/dd-cta.jpg") center 42% / cover no-repeat fixed;
  color:#fff;overflow:hidden;
}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.8) 0%,rgba(0,0,0,.55) 45%,rgba(0,0,0,.3) 100%)}
.cta-in{
  position:relative;z-index:2;width:100%;max-width:1344px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta h2{font-size:28px;font-weight:700;letter-spacing:.04em}
.cta p{margin-top:12px;font-size:12px;color:rgba(255,255,255,.6)}
.cta .btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 34px;border:1px solid rgba(255,255,255,.5);border-radius:22px;
  font-size:13px;color:#fff;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s;
}
.cta .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------------- 客户案例（全幅横向轮播） ---------------- */
.cases-home{overflow:hidden;border-bottom:1px solid var(--line)}
.case-slider{position:relative;--card:min(1100px,86vw)}
.cs-view{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.cs-view::-webkit-scrollbar{display:none}
.cs-track{display:flex;gap:24px;padding:0 max(24px,calc((100% - var(--card))/2))}
.cs-item{
  flex:0 0 var(--card);height:420px;position:relative;overflow:hidden;
  scroll-snap-align:center;background:#141414;
}
.cs-item a{display:block;height:100%;position:relative}
.cs-item img{width:100%;height:100%;object-fit:cover;transition:transform 1.3s var(--ease)}
.cs-item:hover img{transform:scale(1.03)}
.cs-item::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(10,11,14,0) 30%,rgba(10,11,14,.55) 60%,rgba(10,11,14,.93) 100%);
}
.cs-info{
  position:absolute;right:0;top:0;bottom:0;z-index:2;width:44%;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 60px;color:#fff;
}
.cs-en{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.cs-info h3{margin-top:10px;font-size:24px;font-weight:700;letter-spacing:.04em;line-height:1.5}
.cs-bar{display:block;width:26px;height:2px;background:var(--red);margin:16px 0 14px}
.cs-info p{font-size:12px;line-height:1.95;color:rgba(255,255,255,.62);max-width:300px}
.cs-more{
  margin-top:24px;display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;color:#fff;
}
.cs-more::after{
  content:"";width:6px;height:6px;margin-left:8px;
  border-top:1px solid currentColor;border-right:1px solid currentColor;
  transform:rotate(45deg);transition:transform .35s var(--ease);
}
.cs-item a:hover .cs-more::after{transform:rotate(45deg) translate(2px,-2px)}

.cs-arrow{
  position:absolute;top:50%;z-index:5;margin-top:-22px;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:#444;
  box-shadow:0 8px 22px rgba(20,22,28,.12);
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),opacity .3s var(--ease);
}
.cs-arrow:hover{background:var(--red);border-color:var(--red);color:#fff}
.cs-arrow:disabled{background:#eee;border-color:#e0e0e0;color:#b5b5b5;cursor:default;box-shadow:none}
.cs-arrow:disabled:hover{background:#eee;border-color:#e0e0e0;color:#b5b5b5}
.cs-arrow svg{width:16px;height:16px}
.cs-arrow.prev{left:calc((100% - var(--card))/2 - 22px)}
.cs-arrow.next{right:calc((100% - var(--card))/2 - 22px)}

/* ---------------- 品牌动态 ---------------- */
.news-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line-2);
  border:1px solid var(--line-2);
}
.news{background:#fff;min-height:212px;position:relative;display:flex;flex-direction:column}
.news--img{padding:0;overflow:hidden}
.news--img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.news--img:hover img{transform:scale(1.05)}
.news--text{padding:26px 24px;justify-content:space-between}
.news--text .tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;color:var(--red);letter-spacing:.1em;margin-bottom:10px;
}
.news--text .tag::before{content:"";width:11px;height:11px;border:1px solid currentColor}
.news--text h3{font-size:13.5px;line-height:1.7;font-weight:700;color:var(--title);max-height:46px;overflow:hidden}
.news--text .bar{width:22px;height:2px;background:var(--red);margin:12px 0 10px}
.news--text p{font-size:12px;line-height:1.9;color:#8f8f8f;max-height:46px;overflow:hidden}
.news--text .date{margin-top:14px;font-size:12px;color:#b0b0b0}
.news--promo{
  background:linear-gradient(150deg,rgba(233,64,12,.94),rgba(186,28,0,.94)),url("../img/dd/dd-cta.jpg") center/cover;
  color:#fff;padding:24px 22px;justify-content:center;
}
.news--promo .big{font-size:16px;font-weight:700;line-height:1.6}
.news--promo .sm{margin-top:10px;font-size:11.5px;line-height:1.8;color:rgba(255,255,255,.85)}
.news--promo .box{
  margin-top:16px;padding:10px 12px;background:rgba(0,0,0,.28);
  font-size:11.5px;line-height:1.7;
}

/* ---------------- 品牌动态（头条 + 日期列表） ---------------- */
.news-lead{
  display:grid;grid-template-columns:.86fr 1fr;
  background:#fff;border:1px solid var(--line-2);overflow:hidden;
}
.news-lead .nl-pic{display:block;overflow:hidden;min-height:260px}
.news-lead .nl-pic img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.news-lead:hover .nl-pic img{transform:scale(1.03)}
.nl-body{padding:36px 42px;display:flex;flex-direction:column;align-items:flex-start}
.nl-date{font-size:12px;color:#a3a3a3;letter-spacing:.04em}
.nl-body h3{margin-top:12px;font-size:20px;font-weight:700;line-height:1.55;letter-spacing:.01em}
.nl-body h3 a{color:var(--title)}
.nl-body h3 a:hover{color:var(--red)}
.nl-body p{
  margin-top:14px;font-size:13px;line-height:1.95;color:#7c7c7c;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
/* 导语卡的「查看详情」紧跟摘要，间距略紧于列表卡 */
.news-lead .btn-more{margin-top:18px}
.btn-more{
  margin-top:24px;height:40px;padding:0 26px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--red);color:#fff;font-size:13px;letter-spacing:.06em;
  transition:background .3s var(--ease);
}
.btn-more:hover{background:var(--red-dk)}

.news-mini{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:20px;background:#fff;border:1px solid var(--line-2);
}
.news-mini li+li{border-left:1px solid var(--line-2)}
.news-mini a{display:flex;gap:20px;padding:24px 26px;height:100%;transition:background .3s var(--ease)}
.news-mini a:hover{background:#fafafa}
.news-mini .d{flex:0 0 auto}
.news-mini .d b{
  display:block;font-family:var(--font-en);font-size:24px;font-weight:700;
  color:var(--title);line-height:1.1;letter-spacing:.01em;
}
.news-mini .d i{display:block;margin-top:6px;font-style:normal;font-size:12px;color:#b3b3b3}
.news-mini .t{min-width:0;flex:1}
.news-mini .t strong{
  display:block;font-size:14px;font-weight:700;line-height:1.6;color:var(--title);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-mini a:hover .t strong{color:var(--red)}
.news-mini .t em{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-top:8px;font-style:normal;font-size:12px;line-height:1.8;color:#8f8f8f;
}

/* ---------------- 服务条 ---------------- */
.serv{background:#fff;border-top:1px solid var(--line-2)}
.serv ul{display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--wrap);margin:0 auto;padding:0 24px}
.serv li{
  padding:56px 30px 60px;text-align:center;
  border-left:1px solid #ececec;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:#fff;
  transition:background .3s var(--ease);
}
.serv li:first-child{border-left:0}
.serv li:hover{background:#fafafa}
.serv .ico{
  width:46px;height:46px;border-radius:50%;background:#8a8a8a;color:#fff;
  display:grid;place-items:center;margin-bottom:18px;
  transition:background .3s var(--ease);
}
.serv li:hover .ico{background:var(--red)}
.serv .ico svg{width:20px;height:20px}
.serv h3{font-size:15px;font-weight:700;color:var(--title);letter-spacing:.06em}
.serv p{margin-top:12px;font-size:12px;color:var(--sub);line-height:1.9}
.serv .big{margin-top:22px;font-size:20px;font-weight:700;color:#444;letter-spacing:.02em}
.serv .big small{display:inline-block;font-size:11px;font-weight:400;color:var(--sub);margin-right:6px;letter-spacing:0}
.serv .btn-mini{
  margin-top:22px;height:36px;padding:0 26px;background:#ededed;
  display:inline-flex;align-items:center;font-size:12px;color:#666;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.serv .btn-mini:hover{background:var(--red);color:#fff}
.serv .qrs{display:flex;gap:16px;margin-top:18px}
.serv .qr{text-align:center}
.serv .qr img{width:120px;height:120px;background:#fff;padding:4px;border:1px solid var(--line);object-fit:contain}
.serv .qr span{display:block;margin-top:6px;font-size:11px;color:var(--sub)}
/* 二维码放大到 120 后，四列在中窄屏放不下（需 2*120+16），提前折成两列 */
@media (max-width:1340px){
  .serv ul{grid-template-columns:repeat(2,1fr)}
  .serv li:nth-child(3){border-left:0}
  .serv li:nth-child(n+3){border-top:1px solid #e9e9e9}
}

/* ---------------- 页脚 ---------------- */
.ft{background:#1a1a1a;color:#fff;padding:56px 0 0}
.ft-main{display:flex;justify-content:space-between;gap:44px}
.ft-links{display:grid;grid-template-columns:repeat(6,minmax(0,auto));gap:0 22px;flex:1}
.ft-col h4{font-size:12px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;white-space:nowrap}
.ft-col a{display:block;font-size:12.5px;color:rgba(255,255,255,.52);line-height:1;margin-bottom:14px;white-space:nowrap;transition:color .3s var(--ease)}
.ft-col a:last-child{margin-bottom:0}
.ft-col a:hover{color:#fff}
.ft-info{flex:0 0 330px;text-align:left;padding-top:0}
.ft-name{font-size:15px;font-weight:700;color:#fff;letter-spacing:.03em}
.ft-hot{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.52)}
.ft-hot b{display:block;margin-top:8px;font-size:21px;font-weight:700;color:#fff;letter-spacing:.02em}
.ft-info p{font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.52);margin-top:9px}
.ft-info p.ft-hot{margin-top:16px}
.ft-bar{border-top:1px solid rgba(255,255,255,.09);padding:18px 0 24px;margin-top:46px}
.ft-bar .in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.4)}
.ft-bar a{color:inherit}
.ft-bar a:hover{color:#fff}

/* ---------------- 返回顶部 ---------------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:42px;height:42px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:#333;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.to-top.on{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.to-top svg{width:14px;height:14px}

/* ---------------- 响应式 ---------------- */
@media (max-width:1400px){
  .brand-copy{padding-left:56px}
  .ghost{font-size:80px}
}
@media (max-width:1240px){
  .feature{grid-template-columns:1fr 460px}
}
@media (max-width:1199px){
  .feature{grid-template-columns:1fr 400px}
  .feature-card{padding:36px 34px}
  .brand-copy{padding:72px 56px}
  .brand-copy p{font-size:12.5px}
  .ghost{font-size:66px;top:-34px}
  .sec-title{font-size:30px}
  .brand{min-height:560px}
}
/* 搜索框收起 + 平板版式（≤1100，含 iPad 横屏 1024） */
@media (max-width:1100px){
  :root{--sec-y:72px}
  .hero-in{padding:0 36px}
  .hero-copy{max-width:520px}
  .hero-title{font-size:34px}
  .hero-en{letter-spacing:.24em}
  .stats li{height:148px}
  .stats b{font-size:34px}
  .cats button{padding:10px 0 24px}
  .feature{grid-template-columns:1fr;height:auto}
  .feature .pic{min-height:0;height:auto;aspect-ratio:16/8.4}
  .feature-card{padding:44px 40px 50px}
  .brand{grid-template-columns:1fr;min-height:0;background-attachment:scroll;background-position:center center}
  .brand-copy{padding:64px 40px 72px;order:2;justify-content:flex-start}
  .brand-copy::before{background:linear-gradient(180deg,rgba(9,10,13,.93) 0%,rgba(9,10,13,.84) 52%,rgba(9,10,13,.9) 100%)}
  .brand::after{display:none}
  .brand-copy p{max-width:100%}
  .brand-media{display:none}
  .prods{grid-template-columns:repeat(2,1fr);gap:14px}
  .prod .pic{height:280px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news{min-height:238px}
  .serv ul{grid-template-columns:repeat(2,1fr)}
  .serv li{padding:44px 24px 48px}
  .serv li:nth-child(3){border-left:0}
  .serv li:nth-child(n+3){border-top:1px solid #e9e9e9}
  .walk-top{grid-template-columns:1fr;gap:36px}
  .walk-media{aspect-ratio:16/9}
  .news-lead .nl-pic{min-height:220px}
  .nl-body{padding:30px 32px}
  .news-mini a{padding:22px}
  .news-mini .t strong{font-size:13px}
  .cs-item{height:380px}
  .cs-info{width:48%;padding:0 40px}
  .cs-info h3{font-size:21px}
  .honor-row{gap:16px}
  .walk-cards{gap:14px;margin-top:36px}
  .walk-cards a{padding:22px}
  .walk-cards .t{font-size:18px}
  .walk-cards svg{width:30px;height:30px}
  .cta{height:auto;padding:56px 0;background-attachment:scroll;background-position:center center}
  .cta-in{flex-direction:column;align-items:flex-start;gap:24px}
  .ft-main{flex-direction:column;gap:40px}
  .ft-links{grid-template-columns:repeat(3,1fr);gap:0 28px;row-gap:30px}
  .ft-info{padding-top:0}
}
/* ---------- iPad 竖屏 / 手机共用导航 ---------- */
@media (max-width:1023px){
  .hd-in{padding:0 28px}
  .hero{max-height:none}
  .hero-arrow{display:none}
}
/* ---------- 手机 ---------- */
@media (max-width:767px){
  :root{--sec-y:56px}
  .hd-in{padding:0 18px}
  .hero{min-height:460px;max-height:760px}
  .hero-in{padding:0 20px}
  .hero-title{font-size:25px;line-height:1.45}
  .hero-en{font-size:9px;letter-spacing:.16em}
  .hero-arrow{display:none}
  .hero-dots{bottom:20px}
  .hero-copy{max-width:100%}
  .stats ul{grid-template-columns:1fr 1fr}
  .stats li{height:124px;border-left:0;border-bottom:1px solid var(--line-2)}
  .stats li:nth-child(odd){border-right:1px solid var(--line-2)}
  .stats li:nth-last-child(-n+2){border-bottom:0}
  .stats b{font-size:28px}
  .stats span{font-size:11.5px;margin-top:10px}
  .ghost{font-size:36px;top:-18px;letter-spacing:0}
  .ghost--sm{font-size:21px;top:-10px}
  .sec-title{font-size:24px}
  .sec-head{margin-bottom:34px}
  .cats{grid-template-columns:repeat(2,1fr);margin-bottom:34px}
  .cats button:nth-child(odd)::before{display:none}
  .cats button{padding:12px 4px 20px}
  .cats span{font-size:12px;line-height:1.5}
  .cats svg{width:32px;height:32px}
  .cats span{font-size:12px}
  .feature .pic{aspect-ratio:4/3.4}
  .feature-card{padding:32px 22px 38px}
  .feature-card p{font-size:11.5px}
  .prods{grid-template-columns:1fr 1fr;gap:10px}
  .prod .pic{height:0;aspect-ratio:1/1;padding:8px 0}
  .prod .name{height:42px;font-size:11.5px}
  .news-grid{grid-template-columns:1fr 1fr;gap:1px}
  .news{min-height:180px}
  .news--text{padding:18px 16px;justify-content:flex-start}
  .news--text h3{font-size:12.5px;max-height:none}
  .news--text p,.news--text .date{display:none}
  .news--promo{padding:20px 16px}
  .news--promo .big{font-size:14px}
  .news--promo .sm{font-size:11px}
  .news--promo .box{display:none}
  .serv ul{grid-template-columns:1fr}
  .serv li{border-left:0;border-top:1px solid #e9e9e9;padding:34px 20px}
  .serv li:first-child{border-top:0}
  .tech-list{grid-template-columns:1fr;gap:22px;margin-top:26px}
  .walk-top{grid-template-columns:1fr;gap:26px}
  .walk-copy h2{font-size:26px}
  .walk-copy p{font-size:12.5px;line-height:1.95}
  .walk-cards{grid-template-columns:1fr;gap:12px;margin-top:30px}
  .news-lead{grid-template-columns:1fr}
  .news-lead .nl-pic{min-height:0;aspect-ratio:16/9}
  .nl-body{padding:26px 24px 30px}
  .nl-body h3{font-size:17px}
  .btn-more{margin-top:20px;height:38px}
  .news-mini{grid-template-columns:1fr;margin-top:14px}
  .news-mini li+li{border-left:0;border-top:1px solid var(--line-2)}
  .news-mini a{padding:20px 22px}
  .news-mini .d b{font-size:21px}
  .case-slider{--card:88vw}
  .cs-item{height:310px}
  .cs-item::after{background:linear-gradient(0deg,rgba(10,11,14,.93) 0%,rgba(10,11,14,.5) 52%,rgba(10,11,14,0) 100%)}
  .cs-info{width:100%;padding:0 22px 24px;justify-content:flex-end}
  .cs-en{font-size:9px}
  .cs-info h3{font-size:18px;margin-top:8px}
  .cs-bar{margin:12px 0 10px}
  .cs-info p{font-size:11.5px;line-height:1.8;max-width:100%}
  .cs-more{margin-top:14px;font-size:11.5px}
  .cs-arrow{display:none}
  .honor-row{grid-template-columns:1fr 1fr;gap:10px}
  .honor-row p{font-size:11.5px;min-height:64px;padding:10px 6px 14px}
  .honor-more{margin-top:26px}
  .walk-cards a{padding:20px 22px}
  .walk-cards .t{font-size:17px}
  .brand-lead{font-size:12.5px;line-height:1.95}
  .cta h2{font-size:22px}
  .ft-links{grid-template-columns:repeat(2,1fr);gap:0 20px;row-gap:26px}
  .ft-name{font-size:14px}
  .ft-hot b{font-size:19px}
  .ft-bar .in{flex-direction:column;gap:8px}
  .to-top{right:14px;bottom:14px}
}
/* ---------- 横屏手机 ---------- */
@media (max-height:520px) and (orientation:landscape){
  .hero{min-height:400px;max-height:none}
  .hero-title{font-size:22px}
  .hero-en{display:none}
  .hero-btn{margin-top:20px;height:40px}
}

/* 产品列响应式 */
@media (max-width:1100px){
  .plist-wrap{margin-top:28px;padding:0}
  .plist{gap:16px}
  .plist li{flex:0 0 calc((100% - 16px)/2)}
}
@media (max-width:767px){
  .plist-wrap{margin-top:22px;padding:0}
  .plist{gap:10px}
  .plist li{flex:0 0 calc((100% - 10px)/2)}
  .plist .pic{padding:10px}
  .plist .name{height:40px;font-size:11.5px}
  .pl-arrow{display:none}
}
/* 页脚：窄桌面提前折行，避免 6 列挤爆 */
@media (max-width:1280px){
  .ft-main{flex-direction:column;gap:38px}
  .ft-links{grid-template-columns:repeat(3,1fr);gap:0 28px;row-gap:30px}
  .ft-info{flex:0 0 auto}
}
@media (max-width:1280px){
  .ft-bar .in{padding-right:58px}
}

@media (max-width:767px){
  .brand{background-attachment:scroll;background-position:center 40%}
}
/* =========================================================================
   按钮统一样式（红色胶囊 · 参照「探索更多产品」）
   ========================================================================= */
.btn-pill,.feature-card .btn-pill,.brand-copy .btn-pill,.walk-copy .btn-pill,
.btn-more,.btn-line,.btn-ghost,.cta .btn-ghost,.btn-mini,.serv .btn-mini,.hero-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:48px;padding:0 38px;
  border:0;border-radius:999px;
  background:var(--red);color:#fff;
  font-size:15px;font-weight:500;letter-spacing:.04em;line-height:1;
  box-shadow:0 6px 18px rgba(230,0,19,.16);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease),color .3s var(--ease);
}
.btn-pill:hover,.feature-card .btn-pill:hover,.brand-copy .btn-pill:hover,.walk-copy .btn-pill:hover,
.btn-more:hover,.btn-line:hover,.btn-ghost:hover,.cta .btn-ghost:hover,.btn-mini:hover,.serv .btn-mini:hover,.hero-btn:hover{
  background:var(--red-dk);color:#fff;
  box-shadow:0 10px 26px rgba(230,0,19,.26);transform:translateY(-2px);
}
.btn-pill:active,.btn-more:active,.btn-line:active,.btn-ghost:active,.serv .btn-mini:active,.hero-btn:active{
  transform:translateY(0);box-shadow:0 4px 12px rgba(230,0,19,.2);
}
/* 首屏按钮的入场动画用父级 transition，位移交给父级，这里只过渡配色 */
.hero-btn{transition:background-color .3s var(--ease),box-shadow .3s var(--ease)}
.hero-btn:hover{transform:none}
@media (max-width:767px){
  .btn-pill,.feature-card .btn-pill,.brand-copy .btn-pill,.walk-copy .btn-pill,
  .btn-more,.btn-line,.btn-ghost,.cta .btn-ghost,.serv .btn-mini,.hero-btn{
    height:42px;min-height:42px;padding:0 26px;font-size:13.5px;
  }
}