:root{--ink:#171717;--sub:#6C6C6C;--line:#E2E0DA;--teal:#3FB6BE;--teal-d:#2E9AA3;
--deep:#1E566E;--sand:#EFEDE9;--white:#fff}
*{box-sizing:border-box;margin:0;padding:0}
body{width:1400px;margin:0 auto;background:#fff;color:var(--ink);
font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7}
a{text-decoration:none;color:inherit}
.wrap{width:1240px;margin:0 auto}
.ph{background-color:#E7E4DD;background-image:radial-gradient(circle,rgba(140,133,120,.32) 1.3px,transparent 1.5px);
background-size:12px 12px;border:1px solid #D6D2C8;border-radius:3px;display:flex;
align-items:center;justify-content:center;color:#7A7367;font-size:13px;letter-spacing:1px}
.ph span{background:rgba(255,255,255,.88);padding:3px 10px;border-radius:3px}
.topbar{background:var(--deep);color:#CFE3E8;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;height:38px;align-items:center}
.topbar b{color:#fff;font-weight:600}
header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:9}
header .wrap{display:flex;align-items:center;height:88px;gap:34px}
.logo{display:flex;align-items:center;gap:12px}
.logo .mark{width:44px;height:44px;border-radius:3px;background:var(--deep);display:flex;
align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:19px}
.logo .txt .n{font-size:27px;font-weight:800;letter-spacing:2px;line-height:1.15}
.logo .txt .s{font-size:12.5px;color:var(--sub);letter-spacing:3px;margin-top:3px}
nav{display:flex;gap:22px;font-size:14.5px;font-weight:600;margin-left:8px}
nav a{padding:6px 0;border-bottom:2px solid transparent;color:#2B2B2B;white-space:nowrap}
nav a.on{color:var(--deep);border-color:var(--teal)}
.hact{margin-left:auto;display:flex;align-items:center;gap:14px}
.hact .tel{font-size:12.5px;color:var(--sub);text-align:right;line-height:1.35}
.hact .tel b{display:block;font-size:17px;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;
border-radius:2px;font-size:15px;font-weight:700}
.btn.p{background:var(--teal);color:#fff}
.btn.d{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn.w{background:#fff;color:var(--deep)}
.pban{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.pban:after{content:"";position:absolute;inset:0;
background-image:radial-gradient(circle,rgba(255,255,255,.10) 1.4px,transparent 1.6px);background-size:15px 15px}
.pban .wrap{position:relative;z-index:2;padding:40px 0 42px}
.crumb{font-size:12.5px;color:#9FBDC6}.crumb b{color:#fff;font-weight:400}
.pban h1{font-size:38px;margin-top:10px;letter-spacing:1px;font-weight:800}
.pban p{margin-top:8px;font-size:14.5px;color:#B9D2D9}
section{padding:76px 0}
.sh{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:34px}
.sh .l .k{font-size:12.5px;color:var(--teal-d);letter-spacing:3.5px;font-weight:700}
.sh .l h2{font-size:34px;margin-top:8px;font-weight:800}
.sh .l h2 small{font-size:14.5px;color:var(--sub);font-weight:400;margin-left:12px}
.sh .more{font-size:14px;color:var(--deep);font-weight:600;border-bottom:1px solid var(--teal);padding-bottom:2px}
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 0;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat b{display:block;font-size:36px;font-weight:800;letter-spacing:-1px}
.stat b i{font-style:normal;font-size:16px;color:var(--teal-d);margin-left:3px}
.stat span{font-size:13.5px;color:var(--sub)}
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{border:1px solid var(--line);background:#fff}
.prod .pic{height:180px;overflow:hidden}
.prod .pic img{width:100%;height:100%;object-fit:cover;display:block}
.prod .pinfo{padding:16px 16px 18px}
.prod .pinfo b{font-size:16px;display:block}
.prod .pinfo span{font-size:12.5px;color:var(--sub);display:block;margin-top:6px;line-height:1.65}
.prod .pinfo .arrow{margin-top:12px;font-size:12.5px;color:var(--teal-d);font-weight:700}
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app{position:relative;height:230px;overflow:hidden;background:var(--deep);display:block}
.app .img{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
color:rgba(255,255,255,.5);font-size:12.5px;
background-image:radial-gradient(circle,rgba(255,255,255,.13) 1.3px,transparent 1.5px);background-size:13px 13px}
.app:nth-child(2n) .img{background-color:#2E7C8C}
.app:nth-child(3n) .img{background-color:#17475B}
.app .mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,28,36,.9),rgba(10,28,36,.15) 62%,transparent)}
.app .txt{position:absolute;left:22px;bottom:20px;color:#fff}
.app .txt b{font-size:19px;display:block}
.app .txt span{font-size:12.5px;color:#B9D2D9}
.app .lab{position:absolute;top:14px;left:22px;font-size:11.5px;color:#fff;background:rgba(63,182,190,.88);padding:2px 9px}
.cases{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.case{display:block;border:1px solid var(--line);background:#fff}
.case:hover{border-color:#9FD3D8;box-shadow:0 6px 20px rgba(30,86,110,.07)}
.case .cimg{height:160px;overflow:hidden}
.case .cimg img{width:100%;height:100%;object-fit:cover;display:block}
.case .cinfo{padding:14px 15px 16px}
.case .cinfo b{font-size:15px;display:block}
.case .cinfo span{font-size:12px;color:var(--sub);display:block;margin-top:4px}
.video-sec{background:var(--deep);color:#fff}
.video-sec .sh .l .k{color:var(--teal)}
.video-sec .sh .l h2 small{color:#9FBDC6}
.video-sec .sh .more{color:var(--teal);border-color:var(--teal)}
.vgrid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.vmain{position:relative;height:400px;overflow:hidden;background:#17475B}
.vmain .phbg{position:absolute;inset:0;background:#205F76;
background-image:radial-gradient(circle,rgba(255,255,255,.12) 1.3px,transparent 1.5px);background-size:14px 14px}
.vmain .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:74px;height:74px;
border-radius:999px;background:var(--teal);display:flex;align-items:center;justify-content:center}
.vmain .play:after{content:"";border-left:20px solid #fff;border-top:13px solid transparent;
border-bottom:13px solid transparent;margin-left:6px}
.vmain .cap{position:absolute;left:24px;bottom:22px}.vmain .cap b{font-size:18px}
.vmain .cap span{display:block;font-size:12.5px;color:#A9C9D2;margin-top:4px}
.vlist{display:flex;flex-direction:column;gap:14px}
.vitem{display:flex;gap:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:11px}
.vitem .thumb{width:126px;height:74px;flex:none;position:relative;background:#2E7C8C;
background-image:radial-gradient(circle,rgba(255,255,255,.14) 1.2px,transparent 1.4px);background-size:11px 11px}
.vitem .thumb:after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
border-left:11px solid rgba(255,255,255,.9);border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:2px}
.vitem .vt b{font-size:14px;display:block;line-height:1.5}
.vitem .vt span{font-size:11.5px;color:#9FBDC6;display:block;margin-top:3px}
.arts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.art{display:block;border:1px solid var(--line);padding:20px;background:#fff}
.art:hover{border-color:#9FD3D8;box-shadow:0 6px 20px rgba(30,86,110,.07)}
.art .aimg{height:152px;overflow:hidden;margin:-20px -20px 15px;background:#EEEBE5}
.art .aimg img{width:100%;height:100%;object-fit:cover;display:block}
.art b{font-size:15.5px;display:block;margin-top:8px;line-height:1.6}
.art .cat{font-size:11.5px;color:var(--teal-d);letter-spacing:1px;font-weight:700}
.art b{font-size:15.5px;display:block;margin-top:8px;line-height:1.6}
.art span{font-size:12.5px;color:var(--sub);display:block;margin-top:10px;line-height:1.7}
.faq-grid{display:grid;grid-template-columns:360px 1fr;gap:50px;align-items:start}
.faq-l .k{font-size:12.5px;color:var(--teal-d);letter-spacing:3.5px;font-weight:700}
.faq-l h2{font-size:34px;margin:8px 0 14px;font-weight:800}
.faq-l p{font-size:14px;color:var(--sub);line-height:1.95}
.faq-l .btn{margin-top:22px;height:46px}
.qa{background:#fff;border:1px solid var(--line);margin-bottom:10px}
.qa .q{padding:16px 20px;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:space-between}
.qa .q i{width:13px;height:13px;position:relative;flex:none;margin-left:18px}
.qa .q i:before,.qa .q i:after{content:"";position:absolute;background:var(--teal-d)}
.qa .q i:before{left:0;top:5.5px;width:13px;height:2px}
.qa .q i:after{left:5.5px;top:0;width:2px;height:13px}
.qa.open .q i:after{display:none}
.qa .a{display:none;padding:14px 20px 18px;font-size:13.5px;color:#555;line-height:1.95;border-top:1px solid #F2F0EB}
.qa.open .a{display:block}
.qa.open{border-color:#CFE7E9;box-shadow:0 6px 20px rgba(30,86,110,.07)}
.faqhead{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:8px}
.faqsearch{display:flex;height:42px;width:380px;border:1px solid #D5D9D9;border-radius:4px;overflow:hidden;background:#fff}
.faqsearch input{flex:1;border:0;outline:none;padding:0 14px;font-size:14px;font-family:inherit;color:#0F1111}
.faqsearch button{width:64px;border:0;border-left:1px solid #D5D9D9;background:#F3F4F6;font-size:13.5px;font-weight:700;font-family:inherit;cursor:pointer;color:#333}
.qaitem{border-bottom:1px solid #E7E9EC}
.qaitem>summary{list-style:none;cursor:pointer;padding:19px 0;font-size:16.5px;font-weight:700;
line-height:1.6;color:#0F1111;display:flex;align-items:center;justify-content:space-between;gap:26px}
.qaitem>summary::-webkit-details-marker{display:none}
.qaitem>summary::marker{content:""}
.qaitem>summary .chev{width:14px;height:14px;position:relative;flex:none}
.qaitem>summary .chev:before,.qaitem>summary .chev:after{content:"";position:absolute;background:var(--teal-d)}
.qaitem>summary .chev:before{left:0;top:6px;width:14px;height:2px}
.qaitem>summary .chev:after{left:6px;top:0;width:2px;height:14px}
.qaitem[open]>summary .chev:after{display:none}
.qaitem[open]>summary{padding-bottom:8px}
.qaitem .aa{font-size:14px;color:#333;line-height:2;padding-right:40px}
.qaitem .aa b{color:#565959;font-weight:700;margin-right:2px}
.qaitem .qameta{display:flex;align-items:center;gap:18px;margin-top:11px;padding-bottom:17px;font-size:12.5px;color:#8A8F94}
.qameta .dot{width:3px;height:3px;border-radius:2px;background:#C9CDD1}
.qameta .help{color:#007185;font-weight:600;cursor:pointer}
.faqmore{display:flex;align-items:center;justify-content:space-between;margin-top:24px}
.faqmore a{font-size:14.5px;color:#007185;font-weight:700;border-bottom:1px solid #9FD3D8;padding-bottom:1px}
.prow{display:grid;grid-template-columns:520px 1fr;gap:58px;align-items:center;
padding:52px 0;border-bottom:1px solid var(--line)}
.prow.rev{grid-template-columns:1fr 520px}
.prow.rev .pimg{grid-column:2;grid-row:1}
.prow.rev .ptxt{grid-column:1;grid-row:1}
.prow:first-of-type{padding-top:8px}
.prow:last-child{border-bottom:0}
.pimg{height:360px;overflow:hidden;border:1px solid var(--line);background:#EEEBE5}
.pimg img{width:100%;height:100%;object-fit:cover;display:block}
.ptag{display:inline-block;font-size:11.5px;letter-spacing:1px;color:var(--deep);
background:rgba(63,182,190,.16);padding:3px 11px;border-radius:2px;font-weight:700}
.ptxt h3{font-size:31px;font-weight:800;margin:12px 0 6px;letter-spacing:.5px}
.ptxt .sub{font-size:16px;color:var(--teal-d);font-weight:700}
.ptxt p{font-size:14.5px;color:var(--sub);line-height:2.05;margin-top:14px;max-width:600px}
.ptxt ul{list-style:none;display:flex;flex-wrap:wrap;gap:11px 30px;margin-top:20px}
.ptxt li{font-size:13.5px;color:#3A3A3A;padding-left:16px;position:relative}
.ptxt li:before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--teal)}
.ptxt .btns{margin-top:28px;display:flex;gap:12px}
.prow.compact{padding:30px 0;grid-template-columns:400px 1fr;gap:40px}
.prow.compact.rev{grid-template-columns:1fr 400px}
.prow.compact .pimg{height:248px}
.prow.compact .ptxt h3{font-size:25px;margin:8px 0 4px}
.prow.compact .ptxt .sub{font-size:14.5px}
.prow.compact .ptxt p{font-size:13.5px;line-height:1.85;margin-top:10px;max-width:560px;
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prow.compact .ptxt ul{gap:8px 22px;margin-top:14px}
.prow.compact .ptxt li{font-size:12.5px}
.prow.compact .ptxt .btns{margin-top:18px}
.prow.compact .btn{height:38px;padding:0 18px;font-size:13.5px}
.casefeat{display:grid;grid-template-columns:1.15fr 1fr;border:1px solid var(--line);
background:#fff;margin-bottom:26px}
.casefeat .cfimg{height:390px;overflow:hidden}
.casefeat .cfimg img{width:100%;height:100%;object-fit:cover;display:block}
.casefeat .cfinfo{padding:34px 38px;display:flex;flex-direction:column;justify-content:center}
.cftag{font-size:12px;color:var(--teal-d);letter-spacing:2px;font-weight:700}
.casefeat h3{font-size:30px;font-weight:800;margin:10px 0 12px;letter-spacing:.5px}
.casefeat p{font-size:14px;color:var(--sub);line-height:2}
.cfmeta{margin-top:16px;font-size:12.5px;color:#8A8F94}
.cfmore{margin-top:20px;font-size:14px;color:var(--teal-d);font-weight:700}
.inquiry{background:var(--deep);color:#fff;padding:70px 0}
.inquiry .wrap{display:grid;grid-template-columns:1fr 500px;gap:56px;align-items:center}
.inquiry h2{font-size:36px;line-height:1.4;font-weight:800}
.inquiry h2 em{font-style:normal;color:var(--teal)}
.inquiry p{font-size:14.5px;color:#B9D2D9;margin-top:14px;line-height:2}
.form{background:#fff;padding:26px;color:var(--ink)}
.form h4{font-size:17px;margin-bottom:4px}
.form .s{font-size:12.5px;color:var(--sub);margin-bottom:16px}
.frow{display:flex;gap:10px;margin-bottom:10px}
.frow input,.frow select{flex:1;height:42px;border:1px solid var(--line);padding:0 12px;font-size:13.5px;font-family:inherit}
.form .sub{width:100%;height:46px;border:0;background:var(--teal);color:#fff;font-size:15px;font-weight:800;margin-top:4px;font-family:inherit}
.form .tip{font-size:11.5px;color:#98A5B4;text-align:center;margin-top:10px}
footer{background:#171717;color:#8E8E8E;padding:52px 0 0;font-size:13px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
footer h5{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:1px}
footer .col a{display:block;line-height:2.25}
footer .brand .bn{color:#fff;font-size:18px;font-weight:800;margin-bottom:10px;letter-spacing:1px}
footer .copy{border-top:1px solid #2C2C2C;padding:16px 0;font-size:12px;color:#6E6E6E;display:flex;justify-content:space-between}

/* ================= 移动端（<=900px） ================= */
@media (max-width:900px){
  body{width:auto;overflow-x:hidden}
  .wrap{width:auto;padding:0 16px}
  .topbar{font-size:11.5px}
  .topbar .wrap{height:auto;padding:7px 16px;display:block;text-align:center;line-height:1.6}
  header .wrap{height:auto;padding:12px 16px;flex-wrap:wrap;gap:6px}
  .logo .txt .n{font-size:21px;letter-spacing:1px}
  .logo .txt .s{font-size:10px;letter-spacing:2px;margin-top:1px}
  nav{order:3;width:100%;margin:0;gap:15px;font-size:13px;padding:8px 0 2px;
      overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  nav::-webkit-scrollbar{display:none}
  .hact{order:2;margin-left:auto;gap:8px}
  .hact .tel{display:none}
  .hact .btn{height:36px;padding:0 14px;font-size:12.5px}

  /* 首屏：按电脑版 1400×600 等比换算成 vw，版式与桌面完全一致 */
  .hero{height:42.86vw!important;overflow:hidden!important;background:#1E566E!important;position:relative!important}
  .hero>.mosaic,.hero>div[style*="grid-template-columns:repeat(4"]{
      position:absolute!important;left:0!important;top:0!important;inset:0!important;
      width:100%!important;height:100%!important;
      display:grid!important;grid-template-columns:1fr 1fr 1fr 1fr!important;
      grid-template-rows:1fr 1fr!important;gap:0.22vw!important}
  .hero .wrap{position:relative!important;height:42.86vw!important;width:100%!important;
      display:flex!important;align-items:center!important;padding:0 4.3vw!important}
  .hcard{width:52.1vw!important;padding:3vw 3.14vw!important;box-shadow:none!important;
      background:rgba(255,255,255,.95)!important}
  .hcard>div:first-child{font-size:.9vw!important;letter-spacing:.18vw!important;margin-bottom:1vw!important}
  .hcard h1{font-size:3.29vw!important;line-height:1.28!important}
  .hcard p{font-size:1.11vw!important;margin-top:1.29vw!important;line-height:1.95!important;max-width:43.6vw!important}
  .hcard>div:last-child{margin-top:2.14vw!important;gap:1vw!important;flex-wrap:nowrap!important}
  .hcard .btn{height:3.57vw!important;padding:0 2vw!important;font-size:1.07vw!important;border-radius:2px!important}
  .vbadge,.hero>a{display:none!important}

  /* 数据条 */
  .stats .wrap{grid-template-columns:1fr 1fr!important}
  .stat{padding:18px 0!important}
  .stat b{font-size:26px!important}
  .stat span{font-size:11.5px}

  section{padding:42px 0!important}
  .sh{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px!important}
  .sh .l h2{font-size:25px!important}
  .sh .l h2 small{display:block;margin:6px 0 0!important;font-size:12.5px!important}

  /* 栅格全部单列 */
  .prods,.apps,.cases,.arts,.vgrid,.tech,.factory{grid-template-columns:1fr!important;gap:16px!important}
  .prow,.prow.compact,.prow.rev,.prow.compact.rev{grid-template-columns:1fr!important;gap:14px!important;padding:24px 0!important}
  .prow.rev .pimg,.prow.rev .ptxt{grid-column:auto!important;grid-row:auto!important}
  .pimg,.prow.compact .pimg{height:200px!important}
  .ptxt h3,.prow.compact .ptxt h3{font-size:21px!important}
  .ptxt p{font-size:13px!important;-webkit-line-clamp:3!important}
  .app,.case .cimg{height:150px!important}
  .vmain{height:190px!important}
  .casefeat{grid-template-columns:1fr!important}
  .casefeat .cfimg{height:190px!important}
  .casefeat .cfinfo{padding:18px 20px!important}
  .casefeat h3{font-size:21px!important}

  /* 内联栅格一律塌成单列 */
  [style*="grid-template-columns"]{grid-template-columns:1fr!important}
  [style*="width:900px"],[style*="width:1000px"]{width:auto!important;max-width:100%!important}

  .inquiry .wrap{grid-template-columns:1fr!important;gap:22px!important}
  .inquiry{padding:40px 0!important}
  .inquiry h2{font-size:23px!important}
  .form{padding:20px!important}
  .footer .cols,footer .cols{grid-template-columns:1fr 1fr!important;gap:22px!important}
  footer{padding:34px 0 0!important}
  footer .copy{flex-direction:column;gap:6px;text-align:center}

  .pban .wrap{padding:22px 0 24px}
  .pban h1{font-size:23px!important;line-height:1.4}
  .pban p{font-size:12.5px}
  .foot,.crumb{font-size:11.5px}

  /* FAQ / 文章 */
  .faqhead{flex-direction:column;align-items:stretch;gap:12px}
  .faqsearch{width:100%!important}
  .qaitem>summary{font-size:14.5px!important;padding:15px 0!important;gap:14px}
  .qaitem .aa{font-size:13px!important;padding-right:0!important}
  .qameta{font-size:11px!important;gap:8px!important;flex-wrap:wrap}
  .faqmore{flex-direction:column;align-items:flex-start;gap:12px}
  .art b{font-size:14px}
}


/* ===== 统一选型表单（全站同一套） ===== */
.ctaform{background:var(--deep);padding:64px 0}
.ctaform .wrap{display:grid;grid-template-columns:1fr 560px;gap:56px;align-items:center}
.ctaform .k{font-size:12.5px;letter-spacing:3.5px;color:#7FD3DA;font-weight:700}
.ctaform h2{font-size:32px;color:#fff;margin:10px 0 12px;font-weight:800;letter-spacing:-.3px}
.ctaform p{font-size:14.5px;color:#BFD6DE;line-height:2;max-width:520px}
.ctaform .cfmeta{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}
.ctaform .cfmeta div{color:#BFD6DE;font-size:12.5px}
.ctaform .cfmeta b{display:block;color:#fff;font-size:22px;font-weight:800;margin-top:4px;letter-spacing:.3px}
.ctaform .cfmeta span.addr{color:#fff;font-size:14px;font-weight:700;display:block;margin-top:5px}
.cfbox{background:#fff;padding:26px 26px 22px}
.cfrow{margin-bottom:12px}
.cfrow2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.cfbox input{width:100%;height:46px;border:1px solid #E4E2DC;padding:0 14px;font-size:14px;
font-family:inherit;color:#171717;background:#fff;outline:none}
.cfbox input:focus{border-color:var(--teal)}
.cfbox button{width:100%;height:48px;background:var(--teal);color:#fff;border:0;font-size:15px;
font-weight:800;cursor:pointer;font-family:inherit;margin-top:4px}
.cfbox button:hover{background:var(--teal-d)}
.cfbox .cftip{font-size:12px;color:#9A9A9A;text-align:center;margin-top:10px}
@media(max-width:900px){
  .ctaform{padding:40px 0}
  .ctaform .wrap{grid-template-columns:1fr;gap:24px}
  .ctaform h2{font-size:24px}
  .cfrow2{grid-template-columns:1fr}
}

.cfmsg{display:none;margin-top:10px;font-size:12.5px;color:#B4534E;background:#FDEEEE;
padding:8px 10px;line-height:1.6}
.cfbox input:invalid:not(:placeholder-shown){border-color:#E0A6A2}

/* 问答页：分类筛选与搜索 */
.fcat{display:block;padding:12px 18px;font-size:14px;border-top:1px solid var(--line);
color:#3A3A3A;cursor:pointer;text-decoration:none}
.fcat:hover{background:#F6F5F2;color:var(--deep)}
.fcat.on{color:var(--deep);font-weight:700;background:#F2FAFB;box-shadow:inset 3px 0 0 var(--teal)}
.fsearch{display:flex;gap:8px;align-items:center;margin-bottom:26px;flex-wrap:wrap}
.fsearch input{flex:1;min-width:220px;height:44px;border:1px solid var(--line);padding:0 14px;
font-size:14px;font-family:inherit;outline:none;background:#fff}
.fsearch input:focus{border-color:var(--teal)}
.fsearch button{height:44px;padding:0 22px;background:var(--teal);color:#fff;border:0;
font-weight:700;cursor:pointer;font-size:14px;font-family:inherit}
.fsearch button:hover{background:var(--teal-d)}
.fstat{font-size:12.5px;color:var(--sub)}
.fempty{display:none;padding:34px;text-align:center;color:#9A9A9A;font-size:14px}

/* 问答页：分类筛选、搜索、高亮 */
.fcat{display:block;padding:12px 18px;font-size:14px;border-top:1px solid var(--line);
color:#3A3A3A;cursor:pointer;text-decoration:none;transition:.15s}
.fcat:hover{background:#F6F5F2;color:var(--deep)}
.fcat.on{color:var(--deep);font-weight:700;background:#F2FAFB;box-shadow:inset 3px 0 0 var(--teal)}
.fsearch{display:flex;gap:8px;align-items:center;margin-bottom:26px;flex-wrap:wrap}
.fsearch input{flex:1;min-width:200px;height:46px;border:1px solid var(--line);padding:0 14px;
font-size:14px;font-family:inherit;outline:none;background:#fff}
.fsearch input:focus{border-color:var(--teal)}
.fsearch button{height:46px;padding:0 22px;background:var(--teal);color:#fff;border:0;
font-weight:700;cursor:pointer;font-size:14px;font-family:inherit}
.fsearch button:hover{background:var(--teal-d)}
.fstat{font-size:12.5px;color:var(--sub);white-space:nowrap}
.fempty{display:none;padding:34px 24px;text-align:center;color:#8A8F94;font-size:14px;
background:var(--sand);line-height:1.9}
.fempty a{color:var(--deep);font-weight:700}
mark{background:#FDF2B8;color:inherit;padding:0 1px}
@media(max-width:900px){
  .fsearch input{min-width:0;flex:1 1 100%}
  .fsearch button{flex:0 0 auto}
  .fstat{flex:1 1 100%}
}

/* 问答页布局：桌面左栏 / 移动端横向 chips */
.faqgrid{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start}
@media(max-width:900px){
  .faqgrid{grid-template-columns:1fr;gap:18px}
  .faqgrid>div:first-child{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;
    border:0!important;gap:8px;padding-bottom:6px}
  .faqgrid>div:first-child>div:first-child{display:none}
  .fcat{border:1px solid var(--line);white-space:nowrap;padding:9px 14px;font-size:13px;
    box-shadow:none!important;flex:0 0 auto}
  .fcat.on{background:var(--deep);color:#fff;border-color:var(--deep)}
}

/* 首页图墙上的视频胶囊：半透明毛玻璃，避免压在照片上太突兀 */
.hero-video{position:absolute;right:48px;bottom:40px;z-index:3;display:flex;align-items:center;gap:10px;
background:rgba(12,32,40,.52);border:1px solid rgba(255,255,255,.26);border-radius:999px;
padding:7px 18px 7px 7px;color:#fff;text-decoration:none;
-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .25s,border-color .25s}
.hero-video:hover{background:rgba(12,32,40,.8);border-color:rgba(255,255,255,.5)}
.hero-video .pv{width:36px;height:36px;border-radius:50%;background:#3FB6BE;display:flex;
align-items:center;justify-content:center;flex:none}
.hero-video .pv i{width:0;height:0;border-left:11px solid #fff;border-top:7px solid transparent;
border-bottom:7px solid transparent;margin-left:3px}
.hero-video b{display:block;font-size:13px;font-weight:700;line-height:1.25}
.hero-video .s{display:block;font-size:11px;color:#BFD6DE;line-height:1.25;margin-top:2px}
@media(max-width:900px){
  .hero-video{right:14px;bottom:14px;padding:5px 13px 5px 5px}
  .hero-video .pv{width:30px;height:30px}
  .hero-video .s{display:none}
}

/* 场景卡整体可点击 */
.app{text-decoration:none;color:inherit;display:block}
.app:hover .mask{opacity:.55}

/* 正文插图：桌面可半宽，手机一律占满、等比缩放 */
.article-figure{margin:28px 0;text-align:center}
.article-figure img{width:100%;max-width:100%;height:auto;display:block;margin:0 auto;
border:1px solid var(--line);border-radius:2px}
.article-figure figcaption{font-size:12.5px;color:#8A8F94;margin-top:9px;line-height:1.7}
.article-figure.half{width:62%;margin-left:auto;margin-right:auto}
@media(max-width:900px){
  .article-figure,.article-figure.half{width:100%}
  .article-figure{margin:20px 0}
  .article-figure figcaption{font-size:12px}
}

/* ============ 移动端补丁：压制内联固定宽度 / 多列网格 / 表格 ============ */
html,body{max-width:100%}
@media(max-width:900px){
  /* 1. 内联固定宽度一律放开 */
  [style*="width:1240px"],[style*="width:1040px"],[style*="width:1000px"],
  [style*="width:960px"],[style*="width:900px"],[style*="width:880px"],
  [style*="width:730px"],[style*="width:680px"],[style*="width:610px"]{
    width:auto!important;max-width:100%!important;
  }
  /* 2. 内联两列栅格 → 单列 */
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns:1fr 520px"],
  [style*="grid-template-columns:1fr 560px"],
  [style*="grid-template-columns:1.6fr 1fr"],
  [style*="grid-template-columns:240px 1fr"]{grid-template-columns:1fr!important}
  /* 3. 三列/四列 → 两列 */
  [style*="grid-template-columns:repeat(3,1fr)"],
  [style*="grid-template-columns:repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
  [style*="gap:52px"],[style*="gap:56px"],[style*="gap:48px"],[style*="gap:44px"]{gap:20px!important}

  /* 4. 标题与正文缩放 */
  .pban h1{font-size:23px!important;line-height:1.35}
  .pban p{font-size:13.5px!important}
  h1{font-size:26px!important}
  h2{font-size:21px!important}
  .sh h2{font-size:22px!important}

  /* 5. 图片高度锁定，避免固定 height 撑出空白 */
  [style*="height:420px"],[style*="height:400px"],[style*="height:380px"],
  [style*="height:360px"],[style*="height:320px"]{height:210px!important}
  [style*="height:430px"]{height:230px!important}

  /* 6. 表格：允许横向滚动，不撑破页面 */
  table{max-width:100%}
  td,th{padding:9px 10px!important;font-size:13px}

  /* 7. 卡片与列表间距收紧 */
  section{padding-left:0!important;padding-right:0!important}
  .cases,.prods{grid-template-columns:1fr!important}
  .case img,.prod img{height:170px!important}

  /* 8. 页脚 */
  footer .cols{grid-template-columns:1fr!important;gap:20px!important}
  footer .copy{flex-direction:column;gap:6px;text-align:center;align-items:center}
}
@media(max-width:480px){
  [style*="repeat(2,1fr)"]{grid-template-columns:1fr!important}
  .pban h1{font-size:21px!important}
  .article-figure.half{width:100%}
}

@media(max-width:900px){
  /* 9. 正文里禁止换行的列表/文本，手机上放开 */
  ul[style*="white-space:nowrap"],div[style*="white-space:nowrap"],
  p[style*="white-space:nowrap"],span[style*="white-space:nowrap"]{white-space:normal!important}
  nav,nav a{white-space:nowrap}
  /* 10. 兜底：任何元素都不许超出可视宽度 */
  img,table,pre,iframe,video{max-width:100%!important}
}

@media(max-width:900px){
  /* 11. 内联 flex 横排（如"文字 + 要点列表"）在手机上改为可换行 */
  div[style*="display:flex"][style*="justify-content:space-between"],
  div[style*="display: flex"][style*="justify-content: space-between"]{
    flex-wrap:wrap!important;gap:14px!important;align-items:flex-start!important
  }
  div[style*="display:flex"][style*="justify-content:space-between"]>div,
  div[style*="display:flex"][style*="justify-content:space-between"]>ul{
    flex:1 1 100%!important;min-width:0!important
  }
  div[style*="display:flex"][style*="justify-content:space-between"]>ul li{white-space:normal!important}

  /* 12. 首屏：不再等比缩小，改成"图带 + 大标题卡片" */
  .hero{height:auto!important;overflow:visible!important;background:transparent!important;padding-bottom:8px}
  .hero>div:first-child{position:relative!important;inset:auto!important;height:180px!important}
  .hero>.wrap{position:static!important;height:auto!important;display:block!important;padding:0!important}
  .hcard{width:auto!important;max-width:100%!important;margin:10px 16px 0!important;
    padding:22px 20px 24px!important;box-shadow:0 10px 28px rgba(20,30,35,.14)!important;
    position:relative;z-index:3}
  .hcard h1{font-size:23px!important;line-height:1.4!important}
  .hcard p{font-size:13.5px!important;line-height:1.85!important;margin-top:12px!important}
  .hcard .btn{height:42px!important;font-size:13px!important;padding:0 16px!important}
  .hero-video{display:none!important}
}

/* ============ 流体排版（连续自适应）============
   clamp(最小值, 随屏宽变化的中间值, 桌面原值)
   - 桌面（>=1440）取原值，视觉与改版前一致
   - 小屏连续缩小，没有"跳档"感
   - 旧浏览器不认 clamp 会丢掉该声明，自动沿用上面的 px（双写兜底）
   ============================================== */
.wrap{width:min(1240px, calc(100% - 32px))!important}
.hcard h1{font-size:clamp(23px, 3.2vw, 46px)!important;line-height:1.32!important}
.pban h1{font-size:clamp(21px, 2.3vw, 34px)!important;line-height:1.4!important}
h1{font-size:clamp(21px, 2.3vw, 34px)!important}
.sh h2{font-size:clamp(20px, 2.3vw, 34px)!important}
h2{font-size:clamp(20px, 2.3vw, 34px)!important}
h3{font-size:clamp(17px, 1.75vw, 26px)!important}
.pban p{font-size:clamp(13.5px, 1vw, 15px)!important}
.hcard p{font-size:clamp(13.5px, 1.05vw, 15.5px)!important}

/* 图片高度、区块留白、按钮尺寸：只在 1200 以下参与缩放，桌面完全保持原样 */
@media(max-width:1200px){
  [style*="height:420px"],[style*="height:430px"],[style*="height:400px"]{
    height:clamp(190px, 32vw, 420px)!important}
  [style*="height:380px"],[style*="height:360px"],[style*="height:320px"]{
    height:clamp(180px, 30vw, 380px)!important}
  .pimg{height:clamp(190px, 32vw, 420px)!important}
  section{padding-top:clamp(30px, 4.4vw, 56px)!important;padding-bottom:clamp(30px, 4.4vw, 56px)!important}
  .ctaform{padding-top:clamp(34px, 5vw, 64px)!important;padding-bottom:clamp(34px, 5vw, 64px)!important}
  .btn.p,.btn.d{height:clamp(40px, 4vw, 50px)!important}
}

/* 轮转图墙：手机保留两行反向滚动，图片高度跟随行高等比缩放 */
@media(max-width:900px){
  .hero>div:first-child{height:166px!important}
  .hs-row{height:50%!important;display:block!important}
  .hs-track2{height:100%!important;align-items:stretch!important}
  .hs-track2 img{height:100%!important;width:auto!important;min-width:112px!important;
    object-fit:cover!important;margin-right:3px!important}
}
@media(max-width:480px){
  .hero>div:first-child{height:146px!important}
  .hs-track2 img{min-width:98px!important}
}

/* 回到顶部按钮 */
#toTop{position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
background:#1E566E;color:#fff;display:flex;align-items:center;justify-content:center;
font-size:19px;line-height:1;text-decoration:none;z-index:60;
transition:background .25s ease;box-shadow:0 6px 18px rgba(20,30,35,.22)}
#toTop:hover{background:#3FB6BE;color:#fff}
@media(max-width:900px){#toTop{right:14px;bottom:16px;width:40px;height:40px;font-size:17px}}