/* ============================================================
   JOHNY 中研机械 — 2026 改版设计系统
   工业设备风：黑白灰 + 品牌红，Barlow 数字 / Noto Sans SC 中文
   ============================================================ */

/* --- 字体（自托管，子集化后替换 src） --- */
@font-face {
  font-family: 'Barlow Condensed';
  src: local('Barlow Condensed'), local('Barlow');
  font-display: swap;
}

/* --- Reset --- */
*,*::before,*::after{padding:0;margin:0;box-sizing:border-box}
html{line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth}
body{min-height:100vh;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}
a{color:inherit;text-decoration:none}
img,video,iframe{max-width:100%;height:auto;vertical-align:middle;border:0;display:block}
button,input,select,textarea{font:inherit;color:inherit;border:0;outline:0;background:none}
ul,ol{list-style:none}
table{border-collapse:collapse;border-spacing:0}
em,i{font-style:normal}

/* ============================================================
   Design Tokens
   ============================================================ */
:root{
  /* 色板 */
  --c-brand:#C8102E;
  --c-brand-hover:#A50D26;
  --c-ink:#16181D;
  --c-ink-2:#5A6068;
  --c-ink-3:#9AA0A8;
  --c-line:#E8EAED;
  --c-bg-light:#F6F7F9;
  --c-bg-dark:#0F1115;
  --c-bg-dark-2:#1A1D23;
  --c-white:#FFFFFF;
  --c-on-dark:#F2F3F5;
  --c-on-dark-2:#A8ADB5;

  /* 字体 */
  --f-sans:"Noto Sans SC","Source Han Sans CN","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --f-num:"Barlow Condensed","Barlow","DIN Alternate","Arial Narrow",var(--f-sans);

  /* 字号 */
  --fs-hero:clamp(34px,4.5vw,60px);
  --fs-h2:clamp(26px,3vw,38px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-small:14px;
  --fs-tiny:13px;

  /* 间距 */
  --sec-pad:clamp(64px,8vw,120px);
  --container:1280px;
  --pad-x:clamp(20px,4vw,48px);

  /* 细节 */
  --header-h:72px;
  --radius:2px;
  --line-hair:1px solid var(--c-line);
  --tr:.25s cubic-bezier(.4,0,.2,1);
  --shadow-card:0 1px 2px rgba(15,17,21,.04),0 8px 24px rgba(15,17,21,.06);
  --shadow-card-hover:0 2px 4px rgba(15,17,21,.06),0 16px 40px rgba(15,17,21,.12);
}

body{
  font-family:var(--f-sans);
  font-size:var(--fs-body);
  color:var(--c-ink);
  background:var(--c-white);
  line-height:1.7;
}

/* ============================================================
   通用组件
   ============================================================ */
.l-wrap{max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}

/* 区块标题：eyebrow(编号+英文) + 中文大标题 */
.sec-head{margin-bottom:clamp(32px,5vw,56px)}
.sec-eyebrow{
  display:flex;align-items:baseline;gap:14px;
  font-family:var(--f-num);font-size:15px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--c-ink-3);
}
.sec-eyebrow .no{color:var(--c-brand);font-size:22px;font-weight:600;letter-spacing:.05em}
.sec-eyebrow .zh{font-family:var(--f-sans);font-size:var(--fs-tiny);color:var(--c-brand);letter-spacing:.35em}
.sec-title{
  font-size:var(--fs-h2);font-weight:700;line-height:1.25;
  letter-spacing:.02em;margin-top:10px;
}
.sec-title .en{
  display:block;font-family:var(--f-num);font-weight:600;
  font-size:.42em;letter-spacing:.3em;text-transform:uppercase;
  color:var(--c-ink-3);margin-top:8px;
}
/* 深色区块变体 */
.sec--dark{background:var(--c-bg-dark);color:var(--c-on-dark)}
.sec--dark .sec-eyebrow{color:var(--c-on-dark-2)}
.sec--dark .sec-title .en{color:var(--c-on-dark-2)}
.sec--light{background:var(--c-bg-light)}

/* 超大水印词 */
.watermark{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
  display:flex;align-items:flex-end;justify-content:flex-end;
}
.watermark span{
  font-family:var(--f-num);font-weight:700;font-size:clamp(90px,14vw,220px);
  line-height:.8;letter-spacing:.02em;text-transform:uppercase;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.07);
  transform:translateY(18%);
}
.watermark--light span{-webkit-text-stroke:1px rgba(15,17,21,.06)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 34px;border-radius:var(--radius);
  font-size:15px;font-weight:500;letter-spacing:.12em;cursor:pointer;
  transition:var(--tr);white-space:nowrap;
}
.btn .arr{font-family:var(--f-num);font-size:18px;transition:transform var(--tr)}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-hover)}
.btn--ghost{border:1px solid currentColor;color:inherit;background:transparent}
.btn--ghost:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.btn--text{min-height:0;padding:0;color:var(--c-brand);font-size:14px;letter-spacing:.08em}
.btn--text .arr{font-size:16px}

/* 发丝线 */
.hair{border:0;border-top:var(--line-hair)}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:var(--fs-tiny);color:var(--c-ink-3);padding:18px 0}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:var(--c-line)}

/* 懒加载占位 */
.lazy-wrap{position:relative;overflow:hidden;background:var(--c-bg-light)}
.lazy{opacity:0;transition:opacity .5s ease}
.lazy.loaded{opacity:1}
.lazy-load{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}
.lazy-load::after{
  content:'';width:26px;height:26px;border-radius:50%;
  border:2px solid var(--c-line);border-top-color:var(--c-brand);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.lazy-wrap.loaded .lazy-load{display:none}

/* 行数截断 */
.line1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.line2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.line3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:var(--tr);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 2px 16px rgba(15,17,21,.06)}
.header-in{
  height:var(--header-h);
  display:flex;align-items:center;gap:32px;
}
.head-logo{flex:0 0 auto}
.head-logo img{height:44px;width:auto}
.head-logo .logo-text{
  display:none;font-size:20px;font-weight:700;color:var(--c-ink);
  align-items:center;height:44px;
}
.head-nav{flex:1;display:flex;justify-content:center}
.nav-ul{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item > a{
  display:flex;align-items:center;gap:6px;
  padding:0 18px;line-height:var(--header-h);
  font-size:15.5px;font-weight:500;color:var(--c-ink);
  position:relative;white-space:nowrap;transition:color var(--tr);
}
.nav-item > a::after{
  content:'';position:absolute;left:18px;right:18px;bottom:16px;height:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:center;
  transition:transform var(--tr);
}
.nav-item > a:hover,.nav-item > a.active{color:var(--c-brand)}
.nav-item > a:hover::after,.nav-item > a.active::after{transform:scaleX(1)}
.nav-item.has-sub > a::before{
  content:'';width:7px;height:7px;margin-left:2px;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.4;
}
.sub-menu{
  position:absolute;top:calc(100% - 8px);left:50%;translate:-50% 0;
  min-width:200px;background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--shadow-card-hover);padding:8px 0;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:var(--tr);
}
.nav-item:hover .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sub-menu a{
  display:block;padding:11px 24px;font-size:14px;color:var(--c-ink-2);
  border-left:2px solid transparent;transition:var(--tr);
}
.sub-menu a:hover{color:var(--c-brand);border-left-color:var(--c-brand);background:var(--c-bg-light)}

.head-actions{flex:0 0 auto;display:flex;align-items:center;gap:6px}
.head-lang a,.search-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;min-width:38px;padding:0 10px;border-radius:var(--radius);
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-ink-2);
  transition:var(--tr);cursor:pointer;
}
.head-lang a:hover,.search-toggle:hover{color:var(--c-brand);background:var(--c-bg-light)}
.search-toggle .iconfont{font-size:18px}

/* 移动端菜单按钮 */
.m-menu{display:none}

/* 搜索浮层 */
.search-overlay{
  position:fixed;inset:0;z-index:200;background:rgba(15,17,21,.96);
  display:flex;align-items:flex-start;justify-content:center;
  padding-top:18vh;opacity:0;visibility:hidden;transition:var(--tr);
}
.search-overlay.open{opacity:1;visibility:visible}
.search-panel{width:min(640px,88vw);position:relative}
.search-panel form{
  display:flex;align-items:center;gap:16px;
  border-bottom:2px solid rgba(255,255,255,.25);padding-bottom:14px;
}
.search-panel input{
  flex:1;background:none;color:#fff;font-size:22px;font-weight:300;
  letter-spacing:.05em;
}
.search-panel input::placeholder{color:rgba(255,255,255,.35)}
.search-panel button{color:#fff;font-size:22px;cursor:pointer;transition:color var(--tr)}
.search-panel button:hover{color:var(--c-brand)}
.search-close{
  position:absolute;top:-64px;right:0;color:rgba(255,255,255,.6);
  font-size:26px;cursor:pointer;transition:color var(--tr);
}
.search-close:hover{color:#fff}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:300;visibility:hidden;transition:visibility 0s .35s}
.mobile-drawer.open{visibility:visible}
.drawer-mask{
  position:absolute;inset:0;background:rgba(15,17,21,.5);
  opacity:0;transition:opacity .35s ease;
}
.mobile-drawer.open .drawer-mask{opacity:1}
.drawer-body{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.mobile-drawer.open .drawer-body{transform:translateX(0)}
.drawer-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;border-bottom:var(--line-hair);
}
.drawer-header img{height:36px;width:auto}
.drawer-close{font-size:22px;color:var(--c-ink-2);cursor:pointer}
.drawer-lang{
  display:flex;gap:10px;padding:16px 22px;border-bottom:var(--line-hair);
}
.drawer-lang a{
  padding:7px 18px;font-size:13px;letter-spacing:.1em;
  border:1px solid var(--c-line);border-radius:var(--radius);color:var(--c-ink-2);
}
.drawer-lang a.cur{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.drawer-nav{flex:1;padding:8px 0}
.drawer-nav > li{border-bottom:1px solid var(--c-bg-light)}
.drawer-nav > li > a{
  display:block;padding:15px 22px;font-size:16px;font-weight:500;
}
.drawer-arrow{
  position:absolute;right:22px;top:18px;font-size:14px;color:var(--c-ink-3);
  transition:transform .3s ease;
}
.drawer-sub{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  background:var(--c-bg-light);
}
.drawer-sub a{
  display:block;padding:12px 22px 12px 38px;font-size:14px;color:var(--c-ink-2);
}
.drawer-contact{
  padding:20px 22px;background:var(--c-bg-dark);color:var(--c-on-dark);
  font-size:14px;
}
.drawer-contact p{display:flex;align-items:center;gap:10px;margin:6px 0}
.drawer-contact .iconfont{color:var(--c-brand)}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{background:var(--c-bg-dark);color:var(--c-on-dark)}
.foot-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:clamp(48px,6vw,72px) 0 48px;
}
.foot-brand img{height:40px;width:auto;background:#fff;padding:6px 10px}
.foot-desc{margin-top:18px;font-size:14px;line-height:1.9;color:var(--c-on-dark-2);max-width:320px}
.foot-col h5{
  font-size:15px;font-weight:600;letter-spacing:.15em;margin-bottom:20px;
  color:#fff;position:relative;padding-bottom:12px;
}
.foot-col h5::after{
  content:'';position:absolute;left:0;bottom:0;width:22px;height:2px;
  background:var(--c-brand);
}
.foot-col li{margin:10px 0}
.foot-col a{font-size:14px;color:var(--c-on-dark-2);transition:var(--tr)}
.foot-col a:hover{color:#fff;padding-left:4px}
.foot-contact li{
  display:flex;gap:10px;font-size:14px;color:var(--c-on-dark-2);margin:12px 0;
  line-height:1.6;
}
.foot-contact .iconfont{color:var(--c-brand);font-size:16px;margin-top:2px}
.foot-qrcode{margin-top:16px;text-align:center}
.foot-qrcode img{width:110px;height:110px;margin:0 auto;background:#fff;padding:5px}
.foot-qrcode span{display:block;font-size:12px;color:var(--c-on-dark-2);margin-top:8px}
.foot-bar{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-on-dark-2);
}
.foot-bar a{transition:var(--tr)}
.foot-bar a:hover{color:#fff}
.foot-bar .beian a{margin-left:18px}

/* 咨询浮动条 */
.float-contact{
  position:fixed;right:18px;bottom:18vh;z-index:90;
  display:flex;flex-direction:column;gap:10px;
}
.float-contact a{
  display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius);color:var(--c-ink-2);box-shadow:var(--shadow-card);
  transition:var(--tr);
}
.float-contact a:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.float-contact .iconfont{font-size:20px}

/* ============================================================
   内页通用（banner / 侧栏 / 内容）
   ============================================================ */
.page-banner{
  position:relative;height:clamp(220px,26vw,340px);
  background:var(--c-bg-dark);display:flex;align-items:center;
  overflow:hidden;
}
.page-banner img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.35;
}
.page-banner .l-wrap{position:relative;z-index:1}
.page-banner h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:700;color:#fff;letter-spacing:.06em;
}
.page-banner .en{
  font-family:var(--f-num);font-size:14px;letter-spacing:.35em;
  text-transform:uppercase;color:rgba(255,255,255,.45);margin-top:8px;
}
.page-body{padding:var(--sec-pad) 0}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:1024px){
  .head-nav{display:none}
  .header-in{justify-content:space-between}
  .m-menu{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;cursor:pointer;align-items:center;
  }
  .m-menu span{width:22px;height:2px;background:var(--c-ink);transition:var(--tr)}
  .foot-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .foot-main{grid-template-columns:1fr;gap:28px}
  .foot-bar{justify-content:center;text-align:center}
  .float-contact{display:none}
}

/* ============================================================
   快速询盘区（foot.html）
   ============================================================ */
.inquiry{background:var(--c-bg-light);border-top:1px solid var(--c-line)}
.inquiry-grid{
  display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(32px,5vw,80px);
  padding:clamp(48px,6vw,88px) 0;align-items:center;
}
.inquiry-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;margin-top:12px}
.inquiry-desc{margin-top:14px;color:var(--c-ink-2);font-size:15px}
.inquiry-contact{margin-top:26px}
.inquiry-contact li{
  display:flex;align-items:center;gap:12px;margin:14px 0;
  font-size:15px;color:var(--c-ink);
}
.inquiry-contact .iconfont{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);color:var(--c-brand);font-size:16px;
}
.inquiry-form .item{margin-bottom:14px}
.inquiry-form .item.half{display:inline-block;width:calc(50% - 7px)}
.inquiry-form .item.half:nth-child(odd){margin-right:14px}
.inquiry-form input,.inquiry-form textarea{
  width:100%;background:#fff;border:1px solid var(--c-line);
  padding:14px 16px;font-size:14px;color:var(--c-ink);
  transition:border-color var(--tr);
}
.inquiry-form input:focus,.inquiry-form textarea:focus{border-color:var(--c-brand)}
.inquiry-form textarea{min-height:110px;resize:vertical}
.inquiry-form .item_submit{margin-bottom:0}
@media(max-width:900px){
  .inquiry-grid{grid-template-columns:1fr;gap:36px}
  .inquiry-form .item.half{width:100%;margin-right:0}
}


/* ============================================================
   兼容层（2026-10-11 追加）
   list.css / content.css / pro.css 沿用旧版变量名，
   此处把旧名映射到 2026 新设计令牌（品牌红 #C8102E / 黑白灰），
   使内页布局规则完整生效；配色与新首页保持统一。
   ============================================================ */
:root{
  --color-primary:var(--c-brand);
  --color-primary-light:#E8334F;
  --color-primary-dark:var(--c-brand-hover);
  --color-accent:var(--c-brand);
  --color-accent-light:#E8334F;
  --color-dark:var(--c-ink);
  --color-bg:var(--c-bg-light);
  --color-bg-white:var(--c-white);
  --color-text:var(--c-ink);
  --color-text-light:var(--c-ink-2);
  --color-border:var(--c-line);
  --color-border-light:var(--c-bg-light);
  --color-success:#00B42A;
  --color-warning:#FF7D00;
  --color-danger:#D93025;
  --color-info:var(--c-brand);
  --shadow-sm:var(--shadow-card);
  --shadow-md:0 4px 16px rgba(15,17,21,.08);
  --shadow-lg:0 12px 40px rgba(15,17,21,.12);
  --shadow-xl:0 16px 48px rgba(15,17,21,.16);
  --shadow-hover:var(--shadow-card-hover);
  --radius-sm:2px;
  --radius-md:var(--radius);
  --radius-lg:4px;
  --radius-xl:8px;
  --radius-full:9999px;
  --font-pc:var(--f-sans);
  --font-mob:var(--f-sans);
  --font-title-size:var(--fs-h3);
  --font-body-size:var(--fs-body);
  --font-small-size:var(--fs-small);
  --font-weight-normal:400;
  --font-weight-medium:500;
  --font-weight-bold:700;
  --transition-fast:.15s ease;
  --transition-normal:var(--tr);
  --transition-slow:.4s ease;
  --container-max:var(--container);
  --container-padding:var(--pad-x);
  --header-height:var(--header-h);
  --sidebar-width:280px;
  --gap-xs:6px;
  --gap-sm:12px;
  --gap-md:20px;
  --gap-lg:32px;
  --gap-xl:48px;
  --gap-2xl:64px;
  --color:var(--color-primary);
  --fontcolortitle:var(--color-dark);
  --fontcolorintro:var(--color-text);
  --fonthometitle:var(--font-title-size);
  --fonttitle:18px;
  --fontintro:16px;
  --fontweight:var(--font-weight-bold);
  --fontfamily:var(--font-pc)
}