/* ==========================================================
   塑胶工厂官网 · 仿「同佑化工」模板站
   保留原站结构与翻转卡片 / 双色调 Banner / 侧边客服 / 移动底部导航
   配色换为深钢蓝 + 暖橙（更贴合塑胶注塑厂的工业感）
   ========================================================== */

:root{ --brand:#4a9b6e; --brand-dark:#2d5a3f; --brand-soft:#f1f8f3; --accent:#e0a93b; --accent-soft:#fbf1dc; --ink:#20302a; --ink-2:#3d4f47; --ink-3:#7a8c82; --line:#dcebe2; --bg:#fff; --bg-soft:#f6faf8; --maxw:1504px; --padx:28px; }

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  /* 全局字体：思源宋体（Noto Serif SC）优先；未加载时回退系统宋体，保证不跳回黑体 */
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,SimSun,serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;font-size:20px;font-weight:500;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;user-select:none}
ul{list-style:none}
.wrap{
  max-width:min(var(--maxw), calc(100% - 40px));
  margin:0 auto;padding:0 var(--padx);position:relative;
}
.fill{
  background:#fff3bf;border-bottom:2px dashed #d4a017;padding:0 4px;border-radius:3px;
}

/* ==========================================================
   顶部：信息条 + 主导航
   ========================================================== */
.topbar{
  background:var(--brand-dark);color:#b8c5d6;
  font-size:17.5px;padding:6px 0;letter-spacing:.3px;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.topbar .rt span{margin-left:18px}
.topbar a{color:#dde6f3}
.topbar a:hover{color:#fff}

.nav{
  background:#fff;height:76px;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:80;
  box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-img{
  height:42px;width:auto;display:block;
  /* 让蓝底 logo 在白底导航栏上更显品牌，但仍然靠左侧 */
}
.logo-mark{
  width:42px;height:42px;border-radius:6px;
  background:linear-gradient(135deg,var(--brand),#2a558c);
  color:#fff;font-weight:700;font-size:21px;
  display:flex;align-items:center;justify-content:center;letter-spacing:-.5px;
}
.logo-txt b{display:block;font-size:22px;line-height:1.2;font-weight:700;color:var(--ink)}
.logo-txt small{display:block;font-size:16px;color:var(--ink-3);letter-spacing:1.6px}

.menu{display:flex;align-items:center;gap:0}
.menu a{
  position:relative;padding:8px 22px;
  font-size:20.5px;color:var(--ink-2);font-weight:500;transition:.2s;
}
.menu a::after{
  content:'';position:absolute;left:50%;bottom:-26px;width:0;height:3px;
  background:var(--accent);transition:.25s;transform:translateX(-50%);
}
.menu a:hover,.menu a.on{color:var(--brand)}
.menu a:hover::after,.menu a.on::after{width:60%}

.nav-aux{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-btn,.lang-btn{
  width:36px;height:36px;border-radius:50%;
  background:transparent;border:1px solid transparent;cursor:pointer;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;transition:.2s;
  position:relative;
}
.search-btn:hover,.lang-btn:hover{background:var(--bg-soft);color:var(--brand);border-color:var(--line)}
.search-btn svg,.lang-btn svg{width:16px;height:16px;fill:currentColor}
/* hover 显示小标签，明确告诉用户这两个按钮的功能 */
.search-btn::after,.lang-btn::after{
  content:attr(data-tip);position:absolute;top:calc(100% + 8px);left:50%;
  transform:translateX(-50%) translateY(-4px);font-size:17px;color:#fff;background:var(--ink);
  padding:5px 10px;border-radius:4px;white-space:nowrap;opacity:0;visibility:hidden;
  transition:.2s;pointer-events:none;letter-spacing:.5px;
}
.search-btn::before,.lang-btn::before{
  content:'';position:absolute;top:calc(100% + 2px);left:50%;transform:translateX(-50%);
  border:5px solid transparent;border-bottom-color:var(--ink);opacity:0;visibility:hidden;
  transition:.2s;
}
.search-btn:hover::after,.lang-btn:hover::after{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.search-btn:hover::before,.lang-btn:hover::before{opacity:1;visibility:visible}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:6px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger i{display:block;width:19px;height:2px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:'';position:absolute;left:0;width:19px;height:2px;background:var(--ink)}
.burger i::before{top:-6px}.burger i::after{top:6px}

/* ==========================================================
   全屏轮播 Banner（原站招牌：左暖右冷双色调）
   ========================================================== */
.banner{
  position:relative;height:calc(100vh - 76px - 30px);
  min-height:560px;max-height:760px;
  overflow:hidden;background:var(--brand-dark);
}
.banner-track{position:absolute;inset:0}
.banner-slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;
}
.banner-slide.on{opacity:1;z-index:2}

/* 工业感背景 SVG（占位，标注拍摄要求） */
.slide-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
}
.slide-bg::before{
  /* 左暖右冷双色调蒙层，致敬原站招牌效果 */
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(95deg,
    rgba(74,155,110,.82) 0%,
    rgba(74,155,110,.55) 25%,
    rgba(29,43,35,.45) 60%,
    rgba(45,90,63,.88) 100%);
}
.slide-bg::after{
  /* 暗角 */
  content:'';position:absolute;inset:0;z-index:2;
  background:radial-gradient(ellipse at center,transparent 30%,rgba(0,0,0,.18) 100%);
}

.slide-content{
  position:relative;z-index:5;height:100%;
  display:flex;align-items:center;
  color:#fff;
}
.slide-inner{max-width:760px}
.slide-en{
  display:block;font-size:18.5px;letter-spacing:3.5px;font-weight:600;
  color:#E4F5E9;margin-bottom:18px;
  text-transform:uppercase;
}
.slide-cn{
  font-size:63px;line-height:1.18;font-weight:700;letter-spacing:1.5px;
  margin-bottom:24px;
  text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.slide-cn em{color:#7ed8a3;font-style:normal}
.slide-line{
  width:64px;height:3px;background:#fff;margin:18px 0 22px;
  border-radius:2px;opacity:.85;
}
.slide-desc{font-size:22px;line-height:1.85;color:#E5DED2;max-width:640px;margin-bottom:30px}
.slide-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:4px;
  font-size:20px;font-weight:600;letter-spacing:.5px;transition:.2s;
  border:1.5px solid transparent;cursor:pointer;
}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#3d8a5f;border-color:#3d8a5f;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark)}

.scroll-down{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  color:#fff;opacity:.7;font-size:17px;letter-spacing:2px;z-index:8;
  text-align:center;
}
.scroll-down i{
  display:block;width:1px;height:30px;background:rgba(255,255,255,.5);margin:8px auto 0;
  animation:down 1.6s ease-in-out infinite;
}
@keyframes down{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  50.01%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

.banner-dots{
  position:absolute;right:30px;top:50%;transform:translateY(-50%);z-index:8;
  display:flex;flex-direction:column;gap:14px;
}
.banner-dots button{
  width:10px;height:10px;border-radius:50%;border:1.5px solid #fff;
  background:transparent;cursor:pointer;padding:0;transition:.2s;
}
.banner-dots button.on{background:#fff;transform:scale(1.2)}

/* ==========================================================
   板块标题（英文小 + 中文大 + 横线）
   ========================================================== */
.sec{padding:90px 0;position:relative}
.sec-soft{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:60px}
.sec-head .en{
  display:block;font-size:18px;letter-spacing:4px;font-weight:600;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{
  font-size:41px;font-weight:700;color:var(--ink);
  letter-spacing:1px;margin-bottom:8px;
}
.sec-head .line{
  width:60px;height:2px;background:var(--accent);margin:18px auto 16px;
}
.sec-head p{color:var(--ink-2);font-size:21px;max-width:820px;margin:0 auto}

/* ==========================================================
   板块 1：四宫格 hover 翻转卡片（原站招牌效果）
   ========================================================== */
/* 卡片宽度随内容区变宽而变大（1200 时约 273px → 1352 时约 305px），
   高度同步上调，保持原来的竖版比例，不会显得矮胖 */
.flip-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.flip{
  position:relative;height:372px;perspective:1000px;cursor:pointer;
  border-radius:4px;overflow:hidden;
}
.flip-face{
  position:absolute;inset:0;backface-visibility:hidden;
  transition:transform .7s ease,opacity .7s ease;
  display:flex;flex-direction:column;justify-content:flex-end;
  color:#fff;overflow:hidden;
}
.flip-front{
  transform:rotateY(0);z-index:2;
}
.flip-front .flip-img{
  position:absolute;inset:0;z-index:0;
  background-color:#1f3a5f;background-size:cover;background-position:center;
  transition:transform .9s ease;
}
.flip-front::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.15) 50%,rgba(0,0,0,.7) 100%);
}
.flip-front .flip-info{position:relative;z-index:2;padding:26px 24px;text-align:center}
.flip-front .flip-info b{
  display:inline-block;font-size:29px;font-weight:700;letter-spacing:2px;
  border-bottom:2px solid var(--accent);padding-bottom:8px;
}

.flip:hover .flip-front{transform:rotateY(360deg);opacity:0}
.flip:hover .flip-front .flip-img{transform:scale(1.15)}

.flip-back{
  transform:rotateY(180deg);opacity:0;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  padding:42px 32px;text-align:center;align-items:center;justify-content:center;
}
.flip-back::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 20%,rgba(217,119,6,.15) 0%,transparent 50%);
}
.flip-back .deco{
  width:48px;height:2px;background:var(--accent);margin:0 auto 22px;position:relative;z-index:1;
}
.flip-back p{
  position:relative;z-index:1;font-size:24px;line-height:1.85;
  font-weight:500;letter-spacing:1.2px;
}
.flip:hover .flip-back{transform:rotateY(0);opacity:1;transition-delay:.25s}

.flip-link{
  position:absolute;inset:0;z-index:10;
  display:block;
}

/* ==========================================================
   板块 2：解决方案四宫格
   ========================================================== */
.solu-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.solu{
  position:relative;height:312px;border-radius:4px;overflow:hidden;
  display:block;cursor:pointer;
}
.solu .solu-img{
  position:absolute;inset:0;background-color:#1f3a5f;
  background-size:cover;background-position:center;transition:transform .6s ease;
}
.solu::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.65) 100%);
  transition:.4s;
}
.solu:hover .solu-img{transform:scale(1.1)}
.solu:hover::before{background:linear-gradient(180deg,rgba(26,58,92,.3) 0%,rgba(26,58,92,.85) 100%)}

.solu-info{
  position:absolute;left:0;right:0;bottom:0;z-index:2;color:#fff;
  padding:22px 24px;text-align:center;
}
.solu-info b{display:block;font-size:27px;font-weight:700;margin-bottom:6px;letter-spacing:1px}
.solu-info span{font-size:18px;letter-spacing:2px;opacity:.85;font-weight:500}

/* ==========================================================
   板块 3：新闻 swiper
   ========================================================== */
.news-swiper{
  position:relative;overflow:hidden;padding:0 60px;
}
.news-track{display:flex;transition:transform .5s ease;gap:26px}
.news-card{
  flex:0 0 calc((100% - 78px) / 4);
  background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;
  transition:.3s;cursor:pointer;display:block;
}
.news-card:hover{box-shadow:0 8px 30px rgba(15,31,51,.1);transform:translateY(-3px)}
.news-card .news-img{
  height:205px;background:#1a3a5c;background-size:cover;background-position:center;
  position:relative;
}
.news-card .news-date{
  position:absolute;left:14px;top:14px;background:var(--accent);color:#fff;
  padding:6px 12px;border-radius:3px;font-size:17.5px;font-weight:600;letter-spacing:.5px;
}
.news-card .news-body{padding:22px 20px 24px}
.news-card h4{
  font-size:21.5px;line-height:1.6;font-weight:600;color:var(--ink);
  margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:53px;
}
.news-card:hover h4{color:var(--brand)}
.news-card .more{
  font-size:18px;color:var(--accent);font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
}

.news-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:.2s;z-index:5;font-size:23px;
}
.news-arrow:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.news-arrow.prev{left:0}
.news-arrow.next{right:0}

.news-dots{
  display:flex;justify-content:center;gap:8px;margin-top:34px;
}
.news-dots button{
  width:24px;height:3px;border:none;background:var(--line);border-radius:2px;
  cursor:pointer;transition:.2s;padding:0;
}
.news-dots button.on{background:var(--accent);width:36px}

/* ==========================================================
   侧边悬浮客服（原站招牌）
   ========================================================== */
.side-bar{
  position:fixed;right:14px;top:60%;transform:translateY(calc(-50% - 110px));z-index:70;
  display:flex;flex-direction:column;gap:8px;
}
.side-btn{
  width:58px;background:#fff;border:1px solid var(--line);border-radius:4px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:12px 0;color:var(--ink-2);font-size:16px;cursor:pointer;
  transition:.2s;box-shadow:0 2px 10px rgba(0,0,0,.06);
}
.side-btn svg{width:20px;height:20px;fill:currentColor;margin-bottom:5px;transition:.2s}
.side-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
/* TOP 回到顶部：滚到 500px 以下隐藏、加 .on 才出现 */
.side-btn.totop{opacity:0;visibility:hidden;pointer-events:none;transition:.25s}
.side-btn.totop.on{opacity:1;visibility:visible;pointer-events:auto}
.side-btn.totop svg{transform:rotate(0);margin-bottom:0;font-size:23px}
/* 立即询价：红底白字方块，hover 变蓝底白字 */
.side-inquiry{
  align-self:center;width:58px;background:#c0392b;color:#fff;text-decoration:none;
  font-weight:700;font-size:15px;line-height:1.4;text-align:center;padding:11px 0;
  border-radius:6px;box-shadow:0 4px 14px rgba(192,57,43,.3);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:background .2s,box-shadow .2s;
}
.side-inquiry:hover{background:var(--brand);box-shadow:0 4px 14px rgba(26,58,92,.3)}

.side-pop{
  position:absolute;right:70px;top:0;background:#fff;
  padding:14px 18px;border-radius:4px;box-shadow:0 4px 20px rgba(0,0,0,.12);
  white-space:nowrap;font-size:19px;color:var(--ink);font-weight:500;
  opacity:0;pointer-events:none;transform:translateX(8px);transition:.25s;
  border:1px solid var(--line);
}
.side-pop::after{
  content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%) rotate(45deg);
  width:10px;height:10px;background:#fff;border-right:1px solid var(--line);border-top:1px solid var(--line);
}
.side-wrap{position:relative}
.side-wrap:hover .side-pop{opacity:1;transform:translateX(0);visibility:visible}
/* QQ 二维码变体：替代原"微信：xxx"文字弹窗，宽度更大 */
.side-pop-qr{
  width:200px;white-space:normal;text-align:center;padding:14px 14px 12px;
  right:76px;top:-12px;border-radius:10px;
}
.side-pop-qr::after{display:none} /* 去掉文字弹窗的小尖角 */
.side-pop-qr .qf-t{
  font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:.5px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.side-pop-qr .qr-img{
  width:170px;height:170px;margin:0 auto 10px;
  background:#fff;border:1px solid #eef2f7;border-radius:6px;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.side-pop-qr .qr-img img{width:100%;height:100%;object-fit:contain;display:block}
.side-pop-qr .qr-hint{
  font-size:17px;color:var(--ink-2);line-height:1.6;
}

/* ==========================================================
   移动端底部固定导航
   ========================================================== */
.mob-bot{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -2px 12px rgba(0,0,0,.06);
  padding:6px 0;padding-bottom:max(6px,env(safe-area-inset-bottom));
}
.mob-bot ul{display:grid;grid-template-columns:repeat(5,1fr)}
.mob-bot a{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:6px;color:var(--ink-2);font-size:16px;
}
.mob-bot a.on,.mob-bot a:hover{color:var(--brand)}
.mob-bot svg{width:20px;height:20px;fill:currentColor}

/* ==========================================================
   页脚
   ========================================================== */
.footer{background:var(--brand-dark);color:#9aa9bf;padding:60px 0 0;font-size:19px;line-height:1.85}
.footer .g{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:46px}
.footer h4{color:#fff;font-size:20.5px;margin-bottom:20px;font-weight:600;position:relative;padding-bottom:10px}
.footer h4::after{content:'';position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent)}
.footer li{margin-bottom:10px;color:#aab5c8}
.footer li a:hover{color:#fff}
.footer .info b{color:#fff;font-weight:500;display:block;margin-top:14px;font-size:18px}
.footer .info span{display:block;color:#7b8ca5;font-size:18px}
.footer .ct{display:flex;gap:22px;margin-top:6px}
.footer .ct .qr{width:104px;display:flex;flex-direction:column;align-items:center;gap:8px}
.footer .ct .qr .qr-img{width:104px;height:104px;background:#1c2c44;border:1px dashed #3a4c69;border-radius:4px;padding:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;order:1}
.footer .ct .qr .qr-img img{width:100%;height:100%;object-fit:contain;display:block}
.footer .ct .qr .qr-tit{font-size:17.5px;color:#dde6f3;text-align:center;letter-spacing:.5px;font-weight:500;order:2}
.footer .ct p{margin-bottom:14px;line-height:1.8}
.f-bottom{
  border-top:1px solid #1e2f49;padding:18px 0;text-align:center;
  font-size:18px;color:#6b7a92;
}
.f-bottom a{color:#6b7a92;margin:0 8px}
.f-bottom a:hover{color:#fff}

/* ==========================================================
   占位图（带标注的灰色块，避免外链 404）
   ========================================================== */
.ph{
  background:
    repeating-linear-gradient(45deg,#1f3a5f 0 12px,#26456d 12px 24px);
  color:#b8c5d6;
  position:relative;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:18px;gap:6px;text-align:center;
}
.ph .ic{font-size:35px;opacity:.6}
.ph .t{font-size:18px;font-weight:600;color:#dde6f3}
.ph .s{font-size:16.5px;color:#9aa9bf}

/* 通用段内提示框 */
.devnote{
  background:#FFFBEB;border-bottom:1px solid #FDE68A;color:#78520A;
  font-size:17.5px;padding:8px 0;text-align:center;
}
.devnote b{color:#5C3E04}

/* ==========================================================
   响应式
   ========================================================== */
/* 内容区加宽后，4 列在窄屏上会挤，降列的断点相应从 1000 提到 1140
   （此数值必须与 main.js 里新闻轮播的 per 判断一致，否则会错位） */
@media (max-width:1140px){
  .topbar .rt span:nth-child(2){display:none}
  .footer .g{grid-template-columns:1fr 1fr;gap:36px}
  .flip-grid,.solu-grid{grid-template-columns:repeat(2,1fr)}
  .flip{height:348px}
  .solu{height:290px}
  .news-card{flex:0 0 calc((100% - 26px) / 2)}
}
@media (max-width:760px){
  body{font-size:19.5px}
  .wrap{padding:0 16px}
  .topbar{display:none}
  .logo-img{height:32px}
  .menu{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;
    flex-direction:column;padding:12px 18px 20px;gap:0;border-bottom:1px solid var(--line);
    box-shadow:0 10px 24px rgba(16,32,56,.1);}
  .menu.on{display:flex}
  .menu a{padding:13px 14px;border-bottom:1px solid var(--bg-soft);width:100%;text-align:left}
  .menu a::after{display:none}
  .burger{display:flex}
  .nav-aux .search-btn{display:none}
  .banner{min-height:480px;height:auto;padding:80px 0 60px}
  .slide-cn{font-size:37px;letter-spacing:1px}
  .slide-desc{font-size:19.5px}
  .banner-dots{right:14px;gap:10px}
  .sec{padding:60px 0}
  .sec-head{margin-bottom:42px}
  .sec-head h2{font-size:30px}
  .flip-grid,.solu-grid{grid-template-columns:1fr;gap:14px}
  .flip{height:220px}
  .solu{height:220px}
  .news-swiper{padding:0 44px}
  .news-card{flex:0 0 calc((100% - 26px) / 2)}
  .news-card .news-img{height:150px}
  .footer .g{grid-template-columns:1fr;gap:30px}
  .mob-bot{display:block}
  .side-bar{display:none}
  body{padding-bottom:60px}
  .btn{padding:11px 22px;font-size:19px}
  .slide-btns{gap:10px}
  /* 工艺流程行式布局 - 手机端紧凑化 */
  .why-grid-flow{gap:10px}
  .why-grid-flow .why{padding:22px 20px}
  .why-grid-flow .why .ic{width:50px;height:50px;font-size:24px;margin-bottom:12px}
  .why-grid-flow .why b{font-size:18px;margin-bottom:8px}
  .why-grid-flow .why p{font-size:15px;line-height:1.7}
}

/* ==========================================================
   多页版块补充样式（子页面 + 首页新增 band）
   ========================================================== */

/* ===== 数字滚动 band ===== */
.stat-band{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;padding:58px 0;position:relative;overflow:hidden}
.stat-band::after{content:'';position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(217,119,6,.12)}
.stat-band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.stat{text-align:center;padding:8px 10px}
.stat .num{font-size:51px;font-weight:700;line-height:1;letter-spacing:1px}
.stat .num small{font-size:27px;font-weight:700;margin-left:3px}
.stat .deco{width:38px;height:3px;background:var(--accent);margin:14px auto 12px;border-radius:2px}
.stat .lab{font-size:20px;color:#cdd9ea;letter-spacing:1px}

/* ===== 为什么选择我们 ===== */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
/* 五步工艺流程版块：改成「行式步骤条」布局，桌面/手机通吃，不会被断点坑 */
.why-grid-flow{
  display:flex;flex-direction:column;gap:14px;
  position:relative;
}
.why{background:#fff;border:1px solid var(--line);border-radius:6px;padding:36px 26px;text-align:center;transition:.3s}
.why:hover{box-shadow:0 12px 32px rgba(15,31,51,.1);transform:translateY(-4px);border-color:var(--brand)}
.why .ic{width:64px;height:64px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:35px;margin:0 auto 18px}
.why b{display:block;font-size:23px;color:var(--ink);margin-bottom:10px;font-weight:700}
.why p{font-size:19px;color:var(--ink-2);line-height:1.85}
/* 工艺流程专属：覆盖基础 .why，改为「上图标+下标题+下说明」的居中竖向布局，桌面/手机通吃 */
.why-grid-flow .why{
  display:flex;flex-direction:column;align-items:center;
  text-align:center;
  padding:28px 24px;
  border-top:3px solid var(--brand);
  border-radius:6px;
}
.why-grid-flow .why:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 32px rgba(15,31,51,.1);
}
.why-grid-flow .why .ic{
  margin:0 0 14px;
  width:60px;height:60px;font-size:30px;
  flex-shrink:0;
}
.why-grid-flow .why b{
  margin:0 0 10px;
  font-size:21px;
  min-width:0;
  white-space:normal;
}
.why-grid-flow .why p{
  font-size:17px;
  line-height:1.75;
  margin:0;
  max-width:100%;
}
.why{background:#fff;border:1px solid var(--line);border-radius:6px;padding:36px 26px;text-align:center;transition:.3s}
.why:hover{box-shadow:0 12px 32px rgba(15,31,51,.1);transform:translateY(-4px);border-color:var(--brand)}
.why .ic{width:64px;height:64px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:35px;margin:0 auto 18px}
.why b{display:block;font-size:23px;color:var(--ink);margin-bottom:10px;font-weight:700}
.why p{font-size:19px;color:var(--ink-2);line-height:1.85}

/* ===== 内页页头 ===== */
.page-hero{background:linear-gradient(120deg,var(--brand-dark) 0%,var(--brand) 60%,#2a558c 100%);color:#fff;padding:66px 0 60px;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 0%,rgba(217,119,6,.18),transparent 55%)}
.page-hero .en{display:block;font-size:18px;letter-spacing:4px;color:#7ed8a3;margin-bottom:14px;text-transform:uppercase;position:relative}
.page-hero h1{font-size:43px;font-weight:700;letter-spacing:1px;position:relative}
.page-hero p{margin-top:14px;font-size:20.5px;color:#cdd9ea;position:relative}
.crumb{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:18.5px;color:var(--ink-3);padding:13px 0}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb span{margin:0 8px;color:#c2cad6}

/* ===== 关于工厂 ===== */
.about-intro{display:grid;grid-template-columns:1.5fr 1fr;gap:44px;align-items:start}
.about-text p{font-size:20.5px;line-height:2;color:var(--ink-2);margin-bottom:16px}
.about-text h3{font-size:25px;color:var(--ink);margin:28px 0 14px;font-weight:700;padding-left:12px;border-left:3px solid var(--accent)}
.about-aside{background:var(--brand-soft);border-radius:10px;padding:30px;align-self:start}
.about-aside h4{font-size:21px;color:var(--brand);margin-bottom:16px;font-weight:700}
.philo{margin-bottom:18px;padding-bottom:18px;border-bottom:1px dashed #c9d6e8}
.philo:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.philo b{display:block;color:var(--ink);font-size:20px;margin-bottom:6px}
.philo p{font-size:18.5px;color:var(--ink-2);line-height:1.8;margin:0}
.cert-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:14px}
.cert{height:120px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink-3);font-size:18px;text-align:center;padding:10px}
.cert .badge{font-size:31px;margin-bottom:6px}
.prod-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.prod-mini a{
  text-decoration:none;display:block;
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:24px 14px;text-align:center;font-size:19px;color:var(--ink);font-weight:500;
  transition:.25s;letter-spacing:.5px;position:relative;overflow:hidden;
}
.prod-mini a::before{
  content:'→';position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:19px;color:var(--line);transition:.2s;
}
.prod-mini a:hover{
  border-color:var(--brand);color:var(--brand);box-shadow:0 8px 22px rgba(15,31,51,.1);
  transform:translateY(-2px);background:linear-gradient(135deg,#fff,#f5fafe);
}
.prod-mini a:hover::before{color:var(--brand);transform:translateY(-50%) translateX(4px)}

/* ===== 产品中心 ===== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.prod-card:hover{box-shadow:0 14px 38px rgba(15,31,51,.12);transform:translateY(-4px);border-color:var(--brand)}
.prod-thumb{height:200px;background:linear-gradient(135deg,#22405f,#0f1f33);position:relative;display:flex;align-items:center;justify-content:center;color:#cdd9ea;font-size:18px}
.prod-thumb .badge{font-size:43px;opacity:.4}
.prod-body{padding:24px 22px 26px;flex:1;display:flex;flex-direction:column}
.prod-body h3{font-size:23px;color:var(--ink);margin-bottom:8px;font-weight:700}
.prod-body p{font-size:18.5px;color:var(--ink-2);line-height:1.8;flex:1}
.prod-body .more{margin-top:16px;color:var(--brand);font-weight:600;font-size:19px;display:inline-flex;align-items:center;gap:5px}
.prod-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}
.prod-tags i{font-style:normal;background:var(--brand-soft);color:var(--brand);font-size:17px;padding:3px 10px;border-radius:20px}

/* ===== 产品详情 ===== */
.spec-table{width:100%;border-collapse:collapse;margin-top:8px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:12px 16px;font-size:19px;text-align:left}
.spec-table th{background:var(--bg-soft);color:var(--ink);width:32%;font-weight:600;white-space:nowrap}
.spec-table td{color:var(--ink-2)}
.detail-hero{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:center}
.detail-thumb{height:340px;border-radius:8px;background:linear-gradient(135deg,#22405f,#0f1f33);display:flex;align-items:center;justify-content:center;color:#cdd9ea;font-size:19px}
.detail-thumb .badge{font-size:67px;opacity:.35}

/* ===== 新闻列表 ===== */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.news-row{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;padding:18px;transition:.3s;cursor:pointer}
.news-row:hover{box-shadow:0 12px 30px rgba(15,31,51,.1);transform:translateY(-3px)}
.news-row .pic{width:150px;height:110px;flex-shrink:0;border-radius:6px;background:linear-gradient(135deg,#22405f,#0f1f33);display:flex;align-items:center;justify-content:center;color:#cdd9ea;font-size:27px}
.news-row .txt{flex:1;min-width:0}
.news-row .txt .meta{font-size:17.5px;color:var(--accent);font-weight:600;margin-bottom:8px}
.news-row .txt h3{font-size:22px;color:var(--ink);line-height:1.5;margin-bottom:8px;font-weight:700}
.news-row .txt p{font-size:18.5px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-pager{display:flex;justify-content:center;gap:8px;margin-top:40px}
.news-pager a{padding:9px 15px;border:1px solid var(--line);border-radius:5px;color:var(--ink-2);font-size:19px}
.news-pager a.on,.news-pager a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ===== 合作案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:50px}
.case-logo{height:120px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:19px;text-align:center;padding:14px;font-weight:600}
.case-full{display:grid;grid-template-columns:1fr 1fr;gap:36px;background:var(--bg-soft);border-radius:10px;padding:34px;margin-bottom:24px;align-items:center}
.case-full:nth-child(even) .case-pic{order:2}
.case-pic{height:240px;border-radius:8px;background:linear-gradient(135deg,#22405f,#0f1f33);display:flex;align-items:center;justify-content:center;color:#cdd9ea;font-size:19px}
.case-full h3{font-size:25px;color:var(--ink);margin-bottom:6px;font-weight:700}
.case-full .tag{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:17.5px;padding:3px 12px;border-radius:20px;margin-bottom:14px}
.case-full p{font-size:19.5px;color:var(--ink-2);line-height:1.9;margin-bottom:10px}
.case-full .point{font-size:19px;color:var(--ink);line-height:1.8}
.case-full .point b{color:var(--brand)}

/* ===== 联系我们 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:stretch}
.contact-info{display:flex;flex-direction:column}
.contact-info .ci{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .ci .ic{width:44px;height:44px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:25px;flex-shrink:0}
.contact-info .ci b{display:block;font-size:19px;color:var(--ink-3);margin-bottom:3px;font-weight:500}
.contact-info .ci span{font-size:20px;color:var(--ink);font-weight:500}
.map-box{height:240px;border-radius:8px;background:repeating-linear-gradient(45deg,#e8edf4 0 14px,#eef2f7 14px 28px);display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:18.5px;margin-top:18px;border:1px solid var(--line)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px}
.contact-form h3{font-size:23px;color:var(--ink);margin-bottom:20px;font-weight:700}
.contact-form label{display:block;font-size:18.5px;color:var(--ink-2);margin-bottom:6px;font-weight:500}
.contact-form .f{margin-bottom:16px}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid var(--line);border-radius:6px;padding:11px 13px;font-size:19px;font-family:inherit;color:var(--ink);background:#fff;transition:.2s}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,58,92,.1)}
.contact-form textarea{resize:vertical;min-height:110px}
.contact-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:17.5px;color:var(--ink-3);margin-top:10px;line-height:1.7}
.form-ok{display:none;background:var(--brand-soft);color:var(--brand);border:1px solid #bcd0e8;padding:12px 16px;border-radius:6px;font-size:19px;margin-bottom:16px}

/* ===== 详情/文章通用 ===== */
.article{display:grid;grid-template-columns:1fr;gap:0}
.article-head{max-width:880px;margin:0 auto 30px}
.article-head .meta{font-size:18px;color:var(--accent);font-weight:600;margin-bottom:12px}
.article-head h1{font-size:35px;color:var(--ink);line-height:1.4;font-weight:700}
.article-body{max-width:880px;margin:0 auto;font-size:21px;line-height:2;color:var(--ink-2)}
.article-body p{margin-bottom:18px}
.article-body h3{font-size:25px;color:var(--ink);margin:30px 0 14px;font-weight:700}
.article-body ul{margin:0 0 18px 20px;list-style:disc}
.article-body li{margin-bottom:8px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-size:19px;margin-bottom:24px}
.back-link:hover{color:var(--brand)}

/* ===== 响应式：新板块 ===== */
@media (max-width:1140px){
  .stat-band .wrap{grid-template-columns:repeat(2,1fr);gap:30px 20px}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  /* .why-grid-flow 已统一改为行式布局，所有屏幕一致，无需断点 */
  .about-intro{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .news-list{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .case-full{grid-template-columns:1fr}
  .case-full:nth-child(even) .case-pic{order:0}
  .contact-wrap{grid-template-columns:1fr}
  .detail-hero{grid-template-columns:1fr}
  .cert-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .stat .num{font-size:43px}
  .stat-band .wrap{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  /* .why-grid-flow 已统一改为行式布局，所有屏幕一致，无需断点 */
  .page-hero{padding:46px 0 42px}
  .page-hero h1{font-size:33px}
  .about-aside{padding:22px}
  .prod-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .news-row{flex-direction:column}
  .news-row .pic{width:100%;height:160px}
  .contact-form .row2{grid-template-columns:1fr}
  .article-head h1{font-size:29px}
  .article-body{font-size:20px}
  .prod-mini{grid-template-columns:repeat(2,1fr)}
}

/* ===== 通用：版块尾按钮 ===== */
.sec-foot{margin-top:36px;text-align:center}
.sec-foot .btn{padding:11px 26px}

/* ===== 公司简介四点标签 ===== */
.sec-tag{padding:54px 0 30px}
.tags-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:18px}
.tag-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:6px;padding:22px 22px 20px;transition:.3s;
}
.tag-item:hover{box-shadow:0 8px 24px rgba(15,31,51,.08);transform:translateY(-3px)}
.tag-item .tg-ico{
  width:50px;height:50px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:29px;flex-shrink:0;
}
.tag-item .tg-txt b{
  display:block;font-size:21px;font-weight:700;color:var(--ink);
  margin-bottom:6px;letter-spacing:.5px;
}
.tag-item .tg-txt p{font-size:18.5px;color:var(--ink-2);line-height:1.7;margin:0}

/* ============================
   详情页式公司概况 4 联卡
   每张卡：图标+标题 / 导读段 / 4 个关键点 / 跳转链接
   ============================ */
.tag-item.about-card{
  display:flex;flex-direction:column;gap:14px;
  padding:26px 24px 22px;min-height:360px;
}
.tag-item.about-card .tg-hd{
  display:flex;align-items:center;gap:12px;
  border-bottom:1px solid var(--line);padding-bottom:14px;
}
.tag-item.about-card .tg-hd b{
  font-size:22px;font-weight:700;color:var(--ink);letter-spacing:1px;line-height:1;
}
.tag-item.about-card .tg-ico{
  width:48px;height:48px;font-size:27px;
}
.tag-item.about-card .tg-lead{
  font-size:18.5px;color:var(--ink-2);line-height:1.78;margin:0;
}
.tag-item.about-card .tg-lead em{
  font-style:normal;color:var(--brand);font-weight:700;
}
.tag-item.about-card .tg-points{
  list-style:none;padding:0;margin:0;
  display:flex;flex-direction:column;gap:10px;
}
.tag-item.about-card .tg-points li{
  display:flex;gap:8px;align-items:flex-start;
  font-size:18px;color:var(--ink-2);line-height:1.65;
}
.tag-item.about-card .tg-points li::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--brand);flex-shrink:0;margin-top:8px;
}
.tag-item.about-card .tg-points li b{
  flex-shrink:0;color:var(--ink);font-weight:700;
  min-width:96px;
}
.tag-item.about-card .tg-more{
  margin-top:auto;padding-top:8px;
  font-size:18px;color:var(--brand);font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
  transition:gap .2s;
}
.tag-item.about-card .tg-more:hover{gap:10px}
@media (max-width:1140px){.tags-row{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.tags-row{grid-template-columns:1fr}}

/* ===== 应用领域列表（默认 3 列，4 列用 app-grid-4 覆盖，6 列用 app-grid-6） ===== */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px}
.app-grid-4{grid-template-columns:repeat(2,1fr);gap:24px}
.app-grid-6{grid-template-columns:repeat(3,1fr);gap:20px}
.app-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 26px;
  display:flex;flex-direction:column;align-items:flex-start;
  transition:.3s;color:var(--ink);position:relative;overflow:hidden;
  text-align:left;cursor:pointer;width:100%;
  font-family:inherit;font-size:inherit;
}
.app-card:hover{box-shadow:0 12px 30px rgba(15,31,51,.1);transform:translateY(-4px);border-color:var(--brand)}
.app-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.app-card::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--brand);
  transition:.3s;
}
.app-card:hover{box-shadow:0 12px 30px rgba(15,31,51,.1);transform:translateY(-4px)}
.app-card:hover::after{width:100%}
.app-ico{
  width:60px;height:60px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-soft),#e2eaf5);
  color:var(--brand);font-size:35px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.app-card h3{font-size:25px;color:var(--ink);margin-bottom:10px;font-weight:700;letter-spacing:.5px}
.app-card p{font-size:19px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:18px}
.app-card .app-go{color:var(--brand);font-size:19px;font-weight:600;display:inline-flex;gap:5px;align-items:center}
/* "电子烟全案"主供卡（第一位，带主供标签 + 强调色，去掉硬边框） */
.app-card-flagship{
  background:linear-gradient(135deg,#fff8ec 0%,#fff 60%);
}
.app-card-flagship h3{color:var(--accent)}
.app-card-flagship .app-go{color:var(--accent)}
.app-card-flagship .app-ico{background:linear-gradient(135deg,var(--accent-soft),#ffeacc);color:var(--accent)}
.app-flag{
  position:absolute;right:14px;top:14px;background:var(--accent);color:#fff;
  font-size:16.5px;font-weight:700;padding:4px 10px;border-radius:20px;letter-spacing:1px;
  box-shadow:0 4px 10px rgba(217,119,6,.3);
}
@media (max-width:1140px){
  .app-grid,.app-grid-4,.app-grid-6{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .app-grid,.app-grid-4,.app-grid-6{grid-template-columns:1fr}
}

/* ===== 解决方案版块（深蓝块 + 顶部圆圈 + 物料图） ===== */
.sec-solution{padding:80px 0;background:#fff}
.sec-solution .sec-head{margin-bottom:60px}
.sec-solution .sol-title-head{
  font-size:27px;font-weight:600;color:var(--ink);line-height:1.75;
  max-width:900px;margin:0 auto;letter-spacing:.5px;
}
.sec-solution .sec-head .en{display:none}
.sec-solution .sec-head h2{margin-top:0}
.sec-solution .sec-head .line{display:none}

/* 容器不再用白色背景，去掉卡与卡之间的白色缝隙；卡片本身就靠 .sol-block 提供深色/旗舰色 */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:transparent}
/* 卡片用 <button> 实现：必须清掉浏览器默认 border/background/padding/font,否则会出现 4 道灰色框线 */
.sol-card{
  display:flex;flex-direction:column;align-items:stretch;
  border:none;background:transparent;padding:0;margin:0;
  color:inherit;font:inherit;text-align:inherit;cursor:pointer;
}
.sol-circle{
  width:170px;height:170px;border-radius:50%;
  background:#fff;box-shadow:0 6px 20px rgba(15,31,51,.10);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;margin:0 auto -85px;position:relative;z-index:2;
}
.sol-circle b{
  display:block;font-size:26px;font-weight:700;color:#3a4757;
  letter-spacing:1px;line-height:1.3;margin-bottom:4px;
}
.sol-circle small{font-size:19px;color:#3a4757;font-weight:600;letter-spacing:1px}
.sol-block{
  background:var(--brand);color:#fff;text-align:center;
  padding:115px 26px 32px;flex:1;
  display:flex;flex-direction:column;justify-content:space-between;gap:24px;
}
.sol-block p{font-size:19.5px;line-height:1.95;color:#e0eaf5;letter-spacing:.5px}
.sol-img{height:118px;border-radius:2px;overflow:hidden;margin:0 auto;max-width:160px}
.sol-img .ph{
  width:100%;height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#eee;
}
.sol-img .ic{font-size:35px;opacity:.7}
.sol-img .t{font-size:16px;opacity:.6;margin-top:4px}
@media (max-width:1140px){
  .sol-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .sol-grid{grid-template-columns:1fr}
}

/* ===== 合作案例（首页精简版） ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;
  transition:.3s;text-decoration:none;color:inherit;display:flex;flex-direction:column;
}
.case-card:hover{box-shadow:0 14px 36px rgba(15,31,51,.12);transform:translateY(-4px);border-color:var(--brand)}
.case-img{position:relative;height:200px;overflow:hidden}
.case-img .ph{position:absolute;inset:0}
.case-img .ph .ic{font-size:41px}
.case-tag{
  position:absolute;right:14px;top:14px;
  background:rgba(255,255,255,.95);color:var(--brand);
  font-size:17px;font-weight:600;padding:4px 10px;border-radius:20px;
  letter-spacing:1px;
}
.case-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.case-body h4{font-size:21px;color:var(--ink);margin-bottom:8px;font-weight:700;line-height:1.5}
.case-body p{font-size:18.5px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:14px}
.case-more{
  display:inline-flex;align-items:center;font-size:19px;color:var(--brand);font-weight:600;
  transition:.2s;align-self:flex-start;
}
.case-card:hover .case-more{transform:translateX(4px)}
@media (max-width:1140px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.case-grid{grid-template-columns:1fr}}

/* ===== 联系页与悬浮二维码 ===== */
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}
.qr-block{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px;
  text-align:center;
}
.qr-block img{
  width:200px;height:200px;display:block;margin:0 auto 16px;
  border:1px solid var(--line);padding:6px;background:#fff;
}
.qr-block b{display:block;font-size:22px;color:var(--ink);margin-bottom:6px}
.qr-block span{font-size:18.5px;color:var(--ink-2);line-height:1.7}

/* ===== 应用领域详情页 ===== */
.app-hero{
  background:linear-gradient(135deg,#1a3a5c 0%,#0f2540 50%,#0a1525 100%);
  color:#fff;padding:60px 0;
}
.app-hero .en{font-size:18px;letter-spacing:3px;opacity:.7;margin-bottom:10px}
.app-hero h1{font-size:43px;font-weight:700;margin-bottom:12px}
.app-hero p{font-size:20.5px;color:#cfd9ea;line-height:1.8;max-width:760px}

.app-section{padding:54px 0;border-bottom:1px solid var(--line)}
.app-section .wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.app-section.reverse .wrap{direction:rtl}
.app-section.reverse .wrap > *{direction:ltr}
.app-section h2{font-size:29px;color:var(--ink);margin-bottom:14px;font-weight:700}
.app-section p{font-size:19.5px;color:var(--ink-2);line-height:1.95}
.app-section .pic{height:280px;border-radius:10px;background:linear-gradient(135deg,#22405f,#0f1f33);
  display:flex;align-items:center;justify-content:center;color:#cdd9ea;font-size:19px;text-align:center;padding:14px}
.app-section .pic .ic{font-size:67px;opacity:.4}
.app-feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.app-feature-list li{
  list-style:none;padding:14px 16px;background:var(--bg-soft);border-radius:6px;
  font-size:19px;color:var(--ink-2);line-height:1.7;border-left:3px solid var(--brand);
}
.app-feature-list b{color:var(--ink);font-weight:600;display:block;margin-bottom:4px}
.app-mat-table{width:100%;border-collapse:collapse;margin-top:18px}
.app-mat-table th,.app-mat-table td{border:1px solid var(--line);padding:12px 14px;font-size:19px;text-align:left}
.app-mat-table th{background:var(--bg-soft);color:var(--ink);font-weight:600}
.app-mat-table td{color:var(--ink-2)}
.app-cta{
  background:var(--brand);color:#fff;padding:50px 40px;border-radius:10px;text-align:center;margin:50px 0 0;
}
.app-cta h3{font-size:29px;margin-bottom:10px;font-weight:700}
.app-cta p{font-size:19.5px;color:#cfd9ea;margin-bottom:24px}
.app-cta .btn-accent{background:#7ed8a3;color:#1c2c44}
@media (max-width:1140px){
  .qr-grid{grid-template-columns:1fr}
  .app-section .wrap{grid-template-columns:1fr;gap:30px}
  .app-feature-list{grid-template-columns:1fr}
}

/* ==========================================================
   弹窗（应用领域行业方案详情）
   ========================================================== */
.app-modal{
  position:fixed;inset:0;z-index:100;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(15,31,51,.62);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.app-modal.on{opacity:1;visibility:visible}
.app-modal-dialog{
  position:relative;
  width:100%;max-width:780px;max-height:88vh;
  background:#fff;border-radius:10px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
  display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(20px) scale(.97);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.app-modal.on .app-modal-dialog{transform:none}

.app-modal-head{
  flex-shrink:0;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;padding:30px 38px 26px;position:relative;
}
.app-modal-ico{
  width:54px;height:54px;border-radius:14px;
  background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;
  font-size:31px;margin-bottom:14px;
}
.app-modal-head .tag{display:inline-block;background:rgba(255,255,255,.18);color:#fff;font-size:17px;padding:4px 12px;border-radius:20px;letter-spacing:1px;margin-bottom:10px;font-weight:600}
.app-modal-head h3{font-size:29px;font-weight:700;letter-spacing:.5px;line-height:1.35}
.app-modal-head p{font-size:19px;color:#cfd9ea;margin-top:8px;line-height:1.7}

.app-modal-close{
  position:absolute;right:18px;top:18px;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.15);border:none;color:#fff;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:.2s;
}
.app-modal-close:hover{background:rgba(255,255,255,.3);transform:rotate(90deg)}
.app-modal-close svg{width:18px;height:18px;fill:currentColor}

.app-modal-body{
  padding:28px 38px 32px;overflow-y:auto;
  font-size:19.5px;line-height:2;color:var(--ink-2);
}
.app-modal-body h4{
  font-size:20.5px;color:var(--ink);font-weight:700;margin:22px 0 8px;
  padding-left:10px;border-left:3px solid var(--accent);letter-spacing:.5px;
}
.app-modal-body h4:first-child{margin-top:0}
.app-modal-body p{margin-bottom:10px}
.app-modal-body strong{color:var(--ink)}
.app-modal-body em{color:var(--accent);font-style:normal;font-weight:600}
.app-modal-body ul{margin:8px 0 12px 18px;list-style:disc;color:var(--ink-2)}
.app-modal-body li{margin-bottom:6px;line-height:1.9}
.app-modal-cta{
  margin-top:24px;padding:18px 20px;
  background:var(--bg-soft);border-radius:8px;border:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.app-modal-cta b{font-size:19px;color:var(--ink);display:block;margin-bottom:2px}
.app-modal-cta span{font-size:18px;color:var(--ink-2)}
.app-modal-cta .btn{padding:11px 22px;font-size:19px}
.no-scroll{overflow:hidden}
@media (max-width:760px){
  .app-modal-head{padding:22px 22px 18px}
  .app-modal-body{padding:20px 22px 24px;font-size:19px}
  .app-modal-head h3{font-size:25px}
  .app-modal{ padding:14px }
  .app-modal-dialog{ max-height:90vh }
}

/* ===== 应用领域中心页（独立页 application.html） ===== */
.app-detail-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  margin:40px 0 60px;
}
.app-detail-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px 26px;
  display:flex;flex-direction:column;transition:.3s;cursor:pointer;text-align:left;width:100%;
  font:inherit;color:inherit;border:1px solid var(--line);
}
.app-detail-card:hover{box-shadow:0 14px 36px rgba(15,31,51,.12);transform:translateY(-4px);border-color:var(--brand)}
.app-detail-card .ai{
  width:62px;height:62px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-soft),#e2eaf5);
  color:var(--brand);font-size:35px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.app-detail-card h3{font-size:25px;color:var(--ink);margin-bottom:10px;font-weight:700;letter-spacing:.5px}
.app-detail-card p{font-size:19px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:18px}
.app-detail-card .arr{color:var(--brand);font-size:19px;font-weight:600;display:inline-flex;gap:5px;align-items:center}
@media (max-width:1140px){.app-detail-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.app-detail-grid{grid-template-columns:1fr}}

/* ==========================================================
   顶部搜索弹层（覆盖全站，从顶部下拉）
   ========================================================== */
.top-search-panel{position:fixed;inset:0;z-index:110;visibility:hidden;opacity:0;transition:.25s}
.top-search-panel.on{visibility:visible;opacity:1}
.tsp-mask{position:absolute;inset:0;background:rgba(15,31,51,.55);backdrop-filter:blur(2px)}
.tsp-box{
  position:relative;background:#fff;
  width:100%;max-width:760px;margin:8vh auto 0;border-radius:0 0 14px 14px;
  box-shadow:0 26px 60px rgba(0,0,0,.28);
  transform:translateY(-20px);transition:.3s cubic-bezier(.2,.7,.3,1);
  overflow:hidden;
}
.top-search-panel.on .tsp-box{transform:none}
.tsp-bar{display:flex;align-items:center;gap:14px;padding:22px 26px;border-bottom:1px solid var(--line)}
.tsp-bar svg{width:24px;height:24px;fill:var(--brand);flex:none}
.tsp-bar input{
  flex:1;border:0;outline:0;font-size:23px;color:var(--ink);background:transparent;
  padding:6px 0;
}
.tsp-bar input::placeholder{color:#9aa9bf}
.tsp-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  font-size:27px;line-height:1;color:var(--ink);cursor:pointer;transition:.2s;
}
.tsp-close:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:rotate(90deg)}
.tsp-tip{padding:14px 26px;font-size:18px;color:var(--ink-2);background:var(--bg-soft);border-bottom:1px solid var(--line)}
.tsp-hot{
  display:inline-block;margin:0 6px 0 0;padding:5px 12px;background:#fff;border:1px solid var(--line);
  border-radius:20px;color:var(--ink);font-size:17.5px;cursor:pointer;transition:.2s;
}
.tsp-hot:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.tsp-results{padding:10px 0;max-height:55vh;overflow-y:auto}
.tsp-row{
  display:flex;align-items:center;gap:16px;padding:14px 26px;color:var(--ink);text-decoration:none;
  border-bottom:1px solid #eef2f7;transition:.18s;
}
.tsp-row:last-child{border-bottom:0}
.tsp-row:hover{background:var(--bg-soft);color:var(--ink);padding-left:32px}
.tsp-tag{
  flex:none;font-size:17px;font-weight:600;padding:4px 12px;border-radius:20px;letter-spacing:.5px;
}
.tsp-tag-行业方案{background:#e8efff;color:#1d4ed8}
.tsp-tag-产品{background:#fff3e0;color:#c2410c}
.tsp-tag-新闻{background:#e6fffa;color:#0f766e}
.tsp-tag-页面{background:#f3e8ff;color:#7c3aed}
.tsp-t{flex:1;font-size:20px;line-height:1.5}
.tsp-arr{color:#9aa9bf;font-size:23px;transition:.2s}
.tsp-row:hover .tsp-arr{color:var(--brand);transform:translateX(4px)}
.tsp-empty{padding:30px 26px;color:var(--ink-2);font-size:19px;line-height:1.85;text-align:center}
.tsp-empty em{color:var(--brand);font-style:normal;font-weight:600}
@media (max-width:760px){
  .tsp-box{margin:0;border-radius:0;max-width:100%;min-height:100vh}
  .tsp-bar{padding:18px 18px}
  .tsp-results{max-height:none}
}

/* ==========================================================
   顶部语言切换气泡
   ========================================================== */
.top-lang-pop{
  position:fixed;z-index:105;background:#fff;border-radius:10px;
  box-shadow:0 14px 38px rgba(15,31,51,.18);padding:18px 16px 14px;
  width:230px;visibility:hidden;opacity:0;transform:translateY(-6px);transition:.22s;
  border:1px solid var(--line);
}
.top-lang-pop.on{visibility:visible;opacity:1;transform:none}
.top-lang-pop::before{
  content:'';position:absolute;top:-7px;right:18px;width:14px;height:14px;
  background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);
  transform:rotate(45deg);
}
.tlp-tit{font-size:18px;color:var(--ink-2);font-weight:600;margin-bottom:10px;letter-spacing:.5px}
.tlp-opt{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:11px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;
  font-size:19px;color:var(--ink);font-family:inherit;margin-bottom:8px;transition:.2s;
}
.tlp-opt small{color:#9aa9bf;font-size:16.5px}
.tlp-opt:hover{border-color:var(--brand);color:var(--brand)}
.tlp-opt.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.tlp-opt.on small{color:rgba(255,255,255,.85)}
.tlp-note{
  margin-top:8px;font-size:16.5px;color:#9aa9bf;line-height:1.7;
  padding-top:10px;border-top:1px dashed var(--line);
}

/* ==========================================================
   解决方案板块卡片：可点击态（hover/active）
   ========================================================== */
.sol-card{cursor:pointer;transition:.3s}
.sol-card:hover .sol-block{background:var(--brand-dark)}
.sol-card:hover .sol-circle{box-shadow:0 10px 28px rgba(26,58,92,.22);transform:scale(1.04)}
.sol-circle{transition:.3s}
.sol-card.app-card-flagship .sol-circle{color:var(--accent);box-shadow:0 10px 28px rgba(217,119,6,.28)}

/* 让解决方案板块 4 张卡片可触发弹窗（复用 .app-card 选择器也行） */
.sol-card[data-app]{cursor:pointer}
.sol-card[data-app]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* ===== 工厂照片版块 ===== */
.factory-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:14px;
}
.factory-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  margin:0;display:flex;flex-direction:column;transition:.3s;
}
.factory-card:hover{box-shadow:0 14px 36px rgba(15,31,51,.14);transform:translateY(-4px);border-color:var(--brand)}
.factory-img{position:relative;height:200px;overflow:hidden}
.factory-img > img{width:100%;height:100%;object-fit:cover;display:block}
.factory-img .ph{position:absolute;inset:0}
.factory-img .ph .ic{font-size:45px}
.factory-card figcaption{
  padding:16px 18px 20px;
}
.factory-card figcaption b{
  display:block;font-size:19.5px;color:var(--ink);font-weight:700;margin-bottom:6px;letter-spacing:.5px;
}
.factory-card figcaption span{
  display:block;font-size:17.5px;color:var(--ink-2);line-height:1.7;
}

/* 第一张大图跨两列，重点展示厂区 */
.factory-feature{grid-column:span 2;grid-row:span 2}
.factory-feature .factory-img{height:100%;min-height:420px}
.factory-feature figcaption b{font-size:22px;margin-bottom:10px}
.factory-feature figcaption span{font-size:18px;line-height:1.85}

@media (max-width:1140px){
  .factory-grid{grid-template-columns:repeat(3,1fr)}
  .factory-feature{grid-column:span 2;grid-row:auto}
  .factory-feature .factory-img{min-height:auto;height:240px}
}
@media (max-width:760px){
  .factory-grid{grid-template-columns:repeat(2,1fr)}
  .factory-feature{grid-column:span 2}
}