/* ==========================================================================
   站点公共样式 —— 首页 index.html 与产品列表页 products.html 共用
   （本文件由 index.html 的 <style> 原样抽出，内容未做修改）
   ========================================================================== */
/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#08131F;
  --ink-2:#0C1D30;
  --ink-3:#122A46;
  --ink-line:rgba(255,255,255,.09);
  --paper:#FFFFFF;
  --paper-2:#F5F7FA;
  --paper-3:#EDF1F6;
  --text:#0D1A2B;
  --text-2:#5B6C84;
  --text-3:#8B99AC;
  --accent:#0094DC;
  --accent-d:#0079B8;
  --accent-l:#6FC6F2;
  --blue:#0094DC;
  --warn:#FF6B2C;
  --ok:#22C55E;
  --line:#E4E9F0;
  --radius:14px;
  --nav-h:72px;
  --max:1200px;
  --shadow-s:0 1px 2px rgba(13,26,43,.05),0 4px 14px rgba(13,26,43,.05);
  --shadow-m:0 12px 32px rgba(13,26,43,.09);
  --shadow-l:0 24px 60px rgba(8,19,31,.18);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);color:var(--text);background:var(--paper);
  line-height:1.7;font-size:16px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
::selection{background:var(--accent);color:#fff}

/* ============ 布局工具 ============ */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}
.sec{padding:112px 0}
.sec--paper{background:var(--paper)}
.sec--gray{background:var(--paper-2)}
.sec--ink{background:var(--ink);color:#fff}
.sec--ink-2{background:var(--ink-2);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px}
.sec--ink .eyebrow,.sec--ink-2 .eyebrow{color:var(--accent-l)}
.sec--ink .eyebrow::before,.sec--ink-2 .eyebrow::before{background:var(--accent-l)}

h1,h2,h3,h4{line-height:1.24;letter-spacing:-.022em;font-weight:700}
.h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:18px}
.lead{font-size:17px;color:var(--text-2);max-width:660px;line-height:1.8}
.sec--ink .lead,.sec--ink-2 .lead{color:rgba(255,255,255,.66)}
.sec-head{margin-bottom:60px}
.sec-head__more{margin-top:26px}
.sec-head--center{text-align:center}
.sec-head--center .lead{margin:0 auto}
.sec-head--center .eyebrow{justify-content:center}

/* ============ 企业简介信息卡 ============ */
.facts{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;
}
.facts__i{background:var(--paper);padding:26px 24px;transition:background .3s}
.facts__i:hover{background:#F6FAFE}
.facts__k{
  font-size:11.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent-d);margin-bottom:10px;   /* 浅底上 #0094DC 只有 3.1 对比度，用深一档的蓝 */
}
.facts__v{font-size:15px;color:var(--text);line-height:1.7}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .25s cubic-bezier(.2,.7,.3,1);
}
.btn svg{width:17px;height:17px;transition:transform .25s}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 20px rgba(0,148,220,.32)}
.btn--primary:hover{background:var(--accent-d);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,148,220,.4)}
.btn--ghost{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);transform:translateY(-2px)}
.btn--outline{border-color:var(--line);color:var(--text);background:#fff}
.btn--outline:hover{border-color:var(--text);transform:translateY(-2px)}
.btn--sm{height:42px;padding:0 20px;font-size:14px;border-radius:9px}
.link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;
  color:var(--accent);transition:gap .25s;
}
.link-more svg{width:15px;height:15px}
.link-more:hover{gap:12px}
/* 「技术咨询」用的是 <button> 但要走链接的外观，去掉浏览器默认按钮样式 */
button.link-more{
  border:0;background:none;padding:0;font-family:inherit;cursor:pointer;
  text-align:left;line-height:inherit;
}

/* ============ 导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  background:transparent;transition:background .35s,box-shadow .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(8,19,31,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav__inner{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:0;flex-shrink:0}
.logo__img{height:30px;width:auto;flex-shrink:0}
.logo__div{width:1px;height:26px;background:rgba(255,255,255,.22);margin:0 14px}
.logo__cn{color:#fff;font-size:14px;font-weight:600;letter-spacing:.05em;white-space:nowrap;line-height:1.4}
.logo__cn small{display:block;font-size:9.5px;font-weight:500;letter-spacing:.1em;color:rgba(255,255,255,.45)}
.nav__menu{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav__link{
  position:relative;font-size:14.5px;font-weight:500;color:rgba(255,255,255,.78);
  padding:6px 0;transition:color .25s;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--accent);transition:width .3s cubic-bezier(.2,.7,.3,1);
}
.nav__link:hover{color:#fff}
.nav__link:hover::after{width:100%}
/* 导航下拉菜单 */
.nav__item{position:relative}
.nav__link--drop{display:inline-flex;align-items:center;gap:5px}
.nav__caret{width:11px;height:11px;flex-shrink:0;transition:transform .25s}
.nav__item:hover .nav__caret{transform:rotate(180deg)}
.nav__drop{
  position:absolute;top:100%;left:-12px;min-width:146px;padding:7px;margin-top:8px;
  background:rgba(9,20,33,.98);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.1);border-radius:11px;
  box-shadow:0 18px 44px rgba(0,0,0,.42);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s,transform .22s,visibility .22s;
}
.nav__drop::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.nav__item:hover .nav__drop,.nav__item:focus-within .nav__drop{opacity:1;visibility:visible;transform:none}
.nav__drop-a{
  padding:10px 12px;border-radius:8px;font-size:13.5px;font-weight:500;
  color:rgba(255,255,255,.74);transition:background .2s,color .2s;white-space:nowrap;
}
.nav__drop-a:hover{background:rgba(0,148,220,.2);color:#fff}
.nav__cta{margin-left:6px;display:flex;align-items:center;gap:12px}

/* 语言切换 */
.lang{
  display:flex;align-items:center;gap:2px;padding:3px;border-radius:9px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
}
.lang button{
  border:0;background:transparent;color:rgba(255,255,255,.62);cursor:pointer;
  font-family:inherit;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  white-space:nowrap;
  padding:5px 11px;border-radius:7px;transition:.22s;line-height:1.2;
}
.lang button:hover{color:#fff}
.lang button.on{background:var(--accent);color:#fff;box-shadow:0 3px 10px rgba(0,148,220,.35)}
.nav__progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-l));transition:width .1s linear}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:0;background:transparent;cursor:pointer;padding:10px}
.burger span{display:block;height:1.8px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.burger span+span{margin-top:6px}
.nav.open .burger span:nth-child(1){transform:translateY(7.8px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7.8px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:94vh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 60px) 0 84px;
  background:var(--ink);color:#fff;overflow:hidden;
}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.hero__grid{
  position:absolute;inset:-1px;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 20%,transparent 78%);
}
.hero__glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.hero__glow--1{width:640px;height:640px;top:-220px;right:-140px;background:radial-gradient(circle,rgba(0,148,220,.5),transparent 68%)}
.hero__glow--2{width:520px;height:520px;bottom:-260px;left:-120px;background:radial-gradient(circle,rgba(0,148,220,.3),transparent 68%)}
.hero__fade{position:absolute;left:0;right:0;bottom:0;height:180px;background:linear-gradient(to top,var(--ink),transparent)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;width:100%}

.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px 7px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  font-size:13px;font-weight:500;color:rgba(255,255,255,.82);margin-bottom:28px;
}
.pill__dot{position:relative;width:7px;height:7px;border-radius:50%;background:var(--ok);flex-shrink:0}
.pill__dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--ok);animation:pulse 2s ease-out infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.8}70%,100%{transform:scale(3.2);opacity:0}}

.hero h1{font-size:clamp(36px,4.5vw,56px);font-weight:700;letter-spacing:-.03em;line-height:1.16;margin-bottom:26px}
.hero h1 .hl{background:linear-gradient(100deg,#0094DC,#6FC6F2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__desc{font-size:17px;line-height:1.85;color:rgba(255,255,255,.68);max-width:540px;margin-bottom:36px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero__certs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.44)}
.hero__certs i{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.28);display:inline-block;font-style:normal}

/* ---- 监控终端（四画面 + AI 检测框）· 蓝青 HUD 风格 ---- */
.screen{
  position:relative;border-radius:18px;padding:1px;
  background:linear-gradient(150deg,rgba(90,232,255,.55),rgba(255,255,255,.05) 45%,rgba(0,148,220,.45));
  box-shadow:0 24px 60px rgba(4,12,22,.55),0 0 46px -14px rgba(0,180,240,.65);
}
.screen__body{
  border-radius:17px;overflow:hidden;
  background:
    radial-gradient(120% 82% at 50% -14%,rgba(0,148,220,.30),transparent 62%),
    linear-gradient(168deg,#17395E,#0A1B2D 74%);
}
.screen__top{
  display:flex;align-items:center;gap:10px;padding:12px 15px;
  border-bottom:1px solid rgba(90,232,255,.26);
  background:linear-gradient(90deg,rgba(90,232,255,.13),rgba(90,232,255,0) 62%);
  box-shadow:0 10px 22px -16px rgba(90,232,255,.95);
}
.dots{display:flex;gap:5px}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16)}
.dots i:nth-child(1){background:rgba(255,107,44,.6)}
.dots i:nth-child(2){background:rgba(255,193,84,.6)}
.dots i:nth-child(3){background:rgba(34,197,94,.7)}
.screen__title{font-size:12.5px;font-weight:600;color:rgba(228,246,255,.96);letter-spacing:.04em}
.screen__live{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  font-size:11px;font-weight:600;color:#82F5C4;
  padding:3px 9px;border-radius:6px;background:rgba(34,197,94,.15);
  box-shadow:inset 0 0 0 1px rgba(34,197,94,.4),0 0 18px -6px rgba(34,197,94,.9);
}
.screen__live i{width:5px;height:5px;border-radius:50%;background:#22C55E;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

.quad{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px}
.cam{
  position:relative;border-radius:9px;overflow:hidden;aspect-ratio:16/10;background:#0A1929;
  box-shadow:inset 0 0 0 1px rgba(90,232,255,.18);
}
.cam--front{background:linear-gradient(180deg,#215480 0%,#143B5D 52%,#0C2237 100%)}
.cam--left{background:linear-gradient(180deg,#1C4D66 0%,#12364C 52%,#0A2030 100%)}
.cam--rear{background:linear-gradient(180deg,#1B446D 0%,#123352 52%,#0A1E32 100%)}
.cam--right{background:linear-gradient(180deg,#4E4728 0%,#312A19 52%,#1B1710 100%)}
.cam__road{
  position:absolute;left:50%;bottom:-4%;width:230%;height:74%;
  transform:translateX(-50%) perspective(130px) rotateX(52deg);
  transform-origin:bottom center;
  background-image:linear-gradient(90deg,rgba(126,228,255,.30) 1px,transparent 1px),
                   linear-gradient(rgba(126,228,255,.30) 1px,transparent 1px);
  background-size:26px 26px;
  filter:drop-shadow(0 0 7px rgba(90,232,255,.45));
}
.cam__vig{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 42%,transparent 48%,rgba(0,16,30,.5) 100%)}
/* 四角 HUD 括角 */
.cam::before{
  content:"";position:absolute;inset:5px;z-index:4;pointer-events:none;opacity:.75;
  background:
    linear-gradient(#6EE9FF,#6EE9FF) left top/13px 1.5px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) left top/1.5px 13px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) right top/13px 1.5px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) right top/1.5px 13px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) left bottom/13px 1.5px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) left bottom/1.5px 13px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) right bottom/13px 1.5px no-repeat,
    linear-gradient(#6EE9FF,#6EE9FF) right bottom/1.5px 13px no-repeat;
}
.cam__osd{
  position:absolute;left:7px;top:6px;font-size:9.5px;font-weight:600;
  color:#D6F2FF;letter-spacing:.06em;
  padding:1px 6px;border-radius:4px;background:rgba(5,24,40,.62);
  box-shadow:inset 0 0 0 1px rgba(90,232,255,.26),0 0 12px -4px rgba(90,232,255,.8);
}
.cam__res{position:absolute;right:7px;top:6px;font-size:9.5px;color:rgba(214,242,255,.55);letter-spacing:.05em}
.det{
  position:absolute;border:1.4px solid #3FE08A;border-radius:3px;
  animation:detIn .5s cubic-bezier(.2,.8,.3,1) both;
  box-shadow:0 0 15px rgba(63,224,138,.55),inset 0 0 20px rgba(63,224,138,.10);
}
.det--warn{
  border-color:#FF8C40;
  box-shadow:0 0 17px rgba(255,140,64,.6),inset 0 0 20px rgba(255,140,64,.12);
}
.det span{
  position:absolute;left:-1.4px;top:-15px;
  font-size:8.5px;font-weight:700;line-height:1.3;white-space:nowrap;
  padding:1.5px 5px;border-radius:3px;
  background:#3FE08A;color:#03210F;box-shadow:0 0 14px rgba(63,224,138,.7);
}
.det--warn span{background:#FF8C40;color:#2A0F02;box-shadow:0 0 14px rgba(255,140,64,.75)}
@keyframes detIn{from{opacity:0;transform:scale(.88)}to{opacity:1;transform:scale(1)}}
/* 检测框里被识别到的目标：极简矢量剪影（车辆 / 行人 / 锥桶），填充色跟随 currentColor */
.det__obj{
  position:absolute;left:10%;top:8%;width:80%;height:84%;pointer-events:none;
  fill:currentColor;color:rgba(236,252,255,.62);
  filter:drop-shadow(0 1px 4px rgba(0,0,0,.5));
}
.det--warn .det__obj{color:rgba(255,240,224,.68)}
.det--a{left:26%;top:44%;width:24%;height:38%;animation-delay:.9s}
.det--b{left:58%;top:30%;width:30%;height:30%;animation-delay:1.25s}
.det--c{left:14%;top:38%;width:44%;height:52%;animation-delay:1.55s}
.det--d{left:34%;top:36%;width:32%;height:34%;animation-delay:1.9s}

.scan{position:absolute;left:0;right:0;height:26%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(90,232,255,.30));
  animation:scan 4.6s ease-in-out infinite}
@keyframes scan{0%{transform:translateY(-40%)}50%{transform:translateY(280%)}100%{transform:translateY(-40%)}}

.screen__data{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(90,232,255,.2);
  background:linear-gradient(180deg,rgba(90,232,255,.055),transparent);
}
.dcell{padding:13px 12px;border-right:1px solid rgba(90,232,255,.13)}
.dcell:last-child{border-right:0}
.dcell__k{font-size:10.5px;color:rgba(186,224,246,.66);letter-spacing:.06em;margin-bottom:5px}
.dcell__v{
  font-size:16.5px;font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums;
  color:#EDF9FF;text-shadow:0 0 20px rgba(90,232,255,.6);
}
.dcell__v small{font-size:11px;font-weight:500;color:rgba(255,255,255,.44);margin-left:2px}
.dcell__v.is-ok{color:#74F4B4;text-shadow:0 0 18px rgba(34,197,94,.7)}
.dcell__v.is-warn{color:#FFB27A;text-shadow:0 0 18px rgba(255,107,44,.7)}

.screen__alert{
  display:flex;align-items:center;gap:9px;padding:11px 16px;
  background:linear-gradient(90deg,rgba(255,107,44,.22),rgba(255,107,44,.05));
  border-top:1px solid rgba(255,140,64,.4);
  font-size:12px;color:#FFDCC4;
  box-shadow:inset 3px 0 0 var(--warn),0 -10px 24px -18px rgba(255,140,64,.9);
}
.screen__alert svg{width:14px;height:14px;flex-shrink:0}
.screen__alert b{color:#fff;font-weight:600}
.screen__alert time{margin-left:auto;color:rgba(255,255,255,.4);font-size:11px}

/* ============ 数据条 ============ */
.stats{background:var(--ink);color:#fff;padding:0 0 92px}
.stats__inner{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.1)}
.stat{padding:38px 30px 0;border-right:1px solid rgba(255,255,255,.08)}
.stat:last-child{border-right:0}
.stat:first-child{padding-left:0}
.stat__n{font-size:clamp(30px,3.4vw,42px);font-weight:700;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.stat__n em{font-style:normal;font-size:.55em;font-weight:600;color:var(--accent-l);margin-left:3px}
.stat__l{font-size:13.5px;color:rgba(255,255,255,.5);margin-top:8px;letter-spacing:.02em}

/* ============ 产品 ============ */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 26px;display:flex;flex-direction:column;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s,border-color .35s;
}
.pcard::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-l));transition:width .45s cubic-bezier(.2,.7,.3,1);
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:#D8E0EA}
.pcard:hover::before{width:100%}
.pcard__ico{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;
  background:var(--paper-2);color:var(--ink);margin-bottom:20px;transition:background .3s,color .3s;
}
.pcard__ico svg{width:26px;height:26px}
.pcard:hover .pcard__ico{background:var(--ink);color:var(--accent-l)}
.pcard h3{font-size:17.5px;margin-bottom:10px}
.pcard p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.tag{
  font-size:11.5px;font-weight:500;color:var(--text-2);
  padding:3.5px 10px;border-radius:6px;background:var(--paper-2);border:1px solid var(--line);
}
.pcard__foot{border-top:1px solid var(--line);padding-top:16px}

/* ============ 平台 ============ */
.plat{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:center}
.plist{list-style:none;margin-top:32px;display:flex;flex-direction:column;gap:20px}
.plist li{display:flex;gap:15px}
.plist .tick{
  width:24px;height:24px;border-radius:7px;flex-shrink:0;margin-top:3px;
  background:rgba(0,148,220,.16);color:var(--accent-l);display:grid;place-items:center;
}
.plist .tick svg{width:14px;height:14px}
.plist b{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px;color:#fff}
.plist span{font-size:14px;color:rgba(255,255,255,.55);line-height:1.75}

.dash{border-radius:16px;background:linear-gradient(165deg,#122A46,#0A1A2C 70%);border:1px solid rgba(255,255,255,.09);box-shadow:var(--shadow-l);overflow:hidden}
.dash__bar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.dash__bar h4{font-size:13.5px;font-weight:600;color:rgba(255,255,255,.85)}
.dash__tabs{margin-left:auto;display:flex;gap:4px}
.dash__tabs span{font-size:11.5px;padding:4px 11px;border-radius:6px;color:rgba(255,255,255,.5)}
.dash__tabs span.on{background:rgba(0,148,220,.2);color:var(--accent-l);font-weight:600}

.vwall{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding:14px}
.vwall .cam{aspect-ratio:16/10}
.vwall .cam__osd{font-size:8px;padding:1px 5px}
.vwall .cam__res{display:none}

.dash__kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.07);border-top:1px solid rgba(255,255,255,.06)}
.dash__kpi>div{background:#0D2138;padding:15px 18px}
.dash__kpi .k{font-size:10.5px;color:rgba(255,255,255,.42);letter-spacing:.05em;margin-bottom:6px}
.dash__kpi .v{font-size:20px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.dash__kpi .v i{font-style:normal;font-size:11px;font-weight:600;margin-left:6px}
.up{color:#7EE7A6}.down{color:#FF9B6B}

.dash__list{border-top:1px solid rgba(255,255,255,.08)}
.drow{
  display:flex;align-items:center;gap:11px;padding:11px 18px;
  font-size:12.5px;color:rgba(255,255,255,.7);border-bottom:1px solid rgba(255,255,255,.05);
}
.drow:last-child{border-bottom:0}
.drow .st{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.st--w{background:var(--warn);box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.st--o{background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.14)}
.st--i{background:#0094DC;box-shadow:0 0 0 3px rgba(0,148,220,.16)}
.drow time{margin-left:auto;color:rgba(255,255,255,.35);font-size:11.5px;font-variant-numeric:tabular-nums}

/* ============ 实验室 ============ */
.labs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lab{
  position:relative;border-radius:var(--radius);padding:28px 26px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);
  transition:background .3s,border-color .3s,transform .35s cubic-bezier(.2,.7,.3,1);
}
.lab:hover{background:rgba(255,255,255,.075);border-color:rgba(0,148,220,.5);transform:translateY(-4px)}
.lab__ico{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:rgba(0,148,220,.16);color:var(--accent-l);margin-bottom:18px;
  overflow:hidden;transition:background .3s;
}
.lab__ico svg{width:22px;height:22px}
.lab h4{font-size:16.5px;color:#fff;margin-bottom:9px}
.lab p{font-size:13.5px;color:rgba(255,255,255,.56);line-height:1.75;margin-bottom:16px}
.lab__spec{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--accent-l);
  padding:5px 11px;border-radius:7px;background:rgba(0,148,220,.12);border:1px solid rgba(0,148,220,.22);
  font-variant-numeric:tabular-nums;
}

.qbar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);overflow:hidden;margin-top:44px;
}
.qbar>div{background:#0B1A2B;padding:26px 24px;text-align:center}
.qbar .n{font-size:26px;font-weight:700;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.qbar .n em{font-style:normal;font-size:.55em;color:var(--accent-l);margin-left:2px}
.qbar .l{font-size:12.5px;color:rgba(255,255,255,.48);margin-top:7px}

/* ============ 证书 ============ */
/* 证书合集图：默认两栏并排（第 2 张没传也不影响排版），窄屏自动单列 */
.certs{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:start}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;text-align:center;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s,border-color .35s;
}
.cert:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:#CFDCEA}
.cert__badge{
  width:62px;height:62px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(150deg,#EAF6FD,#D3EBF9);color:var(--accent);
  border:1px solid #CDE7F7;
}
.cert__badge svg{width:28px;height:28px}
.cert h4{font-size:15px;margin-bottom:6px}
.cert p{font-size:12.5px;color:var(--text-3);line-height:1.65}
.cert__no{
  display:inline-block;margin-top:12px;font-size:11px;font-weight:600;color:var(--accent);
  padding:3px 9px;border-radius:6px;background:var(--paper-2);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}

.partners{margin-top:52px;padding-top:44px;border-top:1px solid var(--line)}
.partners__t{font-size:13px;color:var(--text-3);text-align:center;letter-spacing:.06em;margin-bottom:26px}
.partners__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plogo{
  height:60px;border-radius:10px;background:var(--paper-2);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);font-size:13px;font-weight:600;letter-spacing:.04em;
  transition:background .3s,color .3s,border-color .3s;
}
.plogo:hover{background:#fff;color:var(--accent);border-color:#CFDCEA}

/* ============ 服务流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:12px}
.flow::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent)}
/* 竖排列：编号 → 标题 → 说明。说明用 margin-top:auto 贴住底部，
   配合 grid 同行等高，5 列说明的基线自然连成一条线 */
.fstep{position:relative;text-align:center;padding:0 12px;
  display:flex;flex-direction:column}
.fstep>div{flex:1 1 auto;display:flex;flex-direction:column}
.fstep__n{
  position:relative;z-index:2;width:54px;height:54px;margin:0 auto 20px;border-radius:50%;
  background:#fff;border:1px solid var(--line);display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--text-3);transition:all .35s cubic-bezier(.2,.7,.3,1);
}
.fstep:hover .fstep__n{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-3px)}
/* 标题顶部对齐（各列首行齐平）；描述底部对齐（各列末行齐平）——配合 JS 等高，5 列上下都成一条线 */
.fstep h4{font-size:15.5px;margin-bottom:8px;text-align:center}
/* 说明统一占 2 行，5 列上下都成一条线：
   · min-height = 2 × 1.72em，只有 1 行的也占满 2 行高度
   · margin-top:auto 让文字贴住底部（末行对齐）
   · 中文的断行位置由 render.js 的 balanceFlow() 按标点插入 <br> 决定
     （中文按字断行不认词边界，光调宽度会拆词或留孤字）
   · 超过 2 行的（英文长句）由 JS 按行内最高值继续补齐 */
.fstep p{font-size:13.5px;color:var(--text-2);line-height:1.72;min-height:3.44em;
  margin:auto auto 0;text-align:center}

/* ============ 场景 ============ */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--ink-2);min-height:190px;padding:26px;
  display:flex;flex-direction:column;justify-content:flex-end;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.scene::before{content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(0,148,220,.22),transparent 55%);opacity:.7;transition:opacity .35s}
.scene:nth-child(2n)::before{background:linear-gradient(150deg,rgba(0,148,220,.1),transparent 55%)}
.scene::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:34px 34px}
.scene:hover{transform:translateY(-5px)}
.scene:hover::before{opacity:1}
.scene__ico{
  position:relative;z-index:2;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;color:#fff;margin-bottom:auto;
}
.scene__ico svg{width:21px;height:21px}
.scene h4{position:relative;z-index:2;font-size:17px;color:#fff;margin-bottom:6px}
.scene p{position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* ============ 公司简介图文 ============ */
.intro__hero{
  position:relative;margin-bottom:56px;border-radius:18px;overflow:hidden;
  aspect-ratio:16/9;background:var(--paper);border:1px solid var(--line);
  box-shadow:var(--shadow-s);
}
.intro__hero.has-img{border-color:var(--line)}
/* 注意：这里原来盖了一层 linear-gradient(190deg,transparent 55%,rgba(4,12,22,.42)) 的压暗层，
   会让实拍图下半部分发灰发暗（原图本身没问题），已去掉，实拍图保持原色。 */
.intro__grid{
  display:grid;grid-template-columns:1fr .95fr;gap:48px;align-items:center;
}
.intro__txt h3{font-size:23px;color:var(--text);letter-spacing:-.015em;margin-bottom:15px}
.intro__txt p{font-size:15px;color:var(--text-2);line-height:1.95}
.intro__txt .tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.intro__txt .tags span{
  font-size:12.5px;font-weight:600;color:var(--accent-d);padding:6px 12px;border-radius:999px;
  background:rgba(0,148,220,.07);border:1px solid rgba(0,148,220,.22);
}
.intro__pic{
  border-radius:16px;overflow:hidden;aspect-ratio:4/3;
  background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.intro__pic.has-img{border-color:var(--line)}
.intro__grid + .facts{margin-top:56px}
.intro__strip{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:52px}
.intro__cell{position:relative}
.intro__cell .intro__pic{
  transition:transform .5s cubic-bezier(.22,.61,.36,1),box-shadow .5s ease;
}
.intro__cell:hover .intro__pic{transform:translateY(-4px);box-shadow:0 18px 38px rgba(13,26,43,.16)}
.intro__cap{
  display:flex;align-items:center;gap:10px;margin-top:15px;
  font-size:15px;font-weight:600;color:var(--text);letter-spacing:-.01em;
}
.intro__cap::before{
  content:"";flex:none;width:22px;height:2px;border-radius:2px;background:var(--accent);
}

/* ============ 解决方案 ============ */
/* 卡片墙：10 个方案排成两列卡片，整块只占约 2 屏，点开在弹窗里看完整图文 */
.sols{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;align-items:start}
.sol{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.sol--flip .sol__pic{order:2}
/* 方案配图：按图片自身比例撑开 —— 实拍多是竖向视角，竖图能完整显示、不被切成横条。
   框跟着图走（不留白），只给图片限高，防止超长图把本板块拉得太长。 */
.sol__pic{
  position:relative;border-radius:18px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#EEF4FA,#DFEAF4);border:1px solid var(--line);
  box-shadow:var(--shadow-m);
}
.sol__pic.has-img{aspect-ratio:auto;height:auto;max-height:none;
  width:fit-content;max-width:100%;margin-inline:auto}
.sol__pic.has-img .slot-img{
  max-width:100%;max-height:620px;width:auto;height:auto;object-fit:contain;display:block;
}
/* 原来是 linear-gradient(200deg,transparent 62%,rgba(8,22,38,.16)) 的右下压暗层，
   实拍图会被压得下半截发暗，已去掉。 */
.sol__num{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-bottom:12px;
}
.sol__body h3{font-size:25px;letter-spacing:-.02em;margin-bottom:14px}
.sol__lead{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:22px}
.sol__pts{list-style:none;display:flex;flex-direction:column;gap:12px}
.sol__pts li{display:flex;gap:11px;font-size:14.5px;color:var(--text-2);line-height:1.65}
.sol__pts .tick{
  flex-shrink:0;width:19px;height:19px;margin-top:3px;border-radius:50%;
  display:grid;place-items:center;background:rgba(0,148,220,.13);color:var(--accent);
}
.sol__pts .tick svg{width:11px;height:11px}

/* ---- 方案卡片墙 ---- */
.solcard{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .28s,border-color .28s,box-shadow .28s;
}
.solcard:hover{
  transform:translateY(-4px);border-color:rgba(0,148,220,.42);box-shadow:var(--shadow-m);
}
/* 横向卡：左边一张方形缩略图 + 右边文字 —— 图几乎不裁，卡片也矮，10 个方案两列只占 1 屏多 */
.solcard__hit{
  display:grid;grid-template-columns:176px 1fr;align-items:stretch;
  width:100%;padding:0;border:0;background:none;
  font:inherit;color:inherit;text-align:left;cursor:pointer;
}
.solcard__hit:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.solcard__pic{
  display:block;width:176px;min-height:176px;height:auto;
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#EEF4FA,#DFEAF4);border-right:1px solid var(--line);
}
/* 缩略图绝对定位铺满：不让图片的原始比例把卡片高度顶歪（各卡高度才完全一致） */
.solcard__pic .slot-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
}
/* 还没传图的方案卡：图位照样留这么高（放个淡图标），所有卡片高度才一致 */
.solcard .solcard__pic.slot-empty{
  display:block;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23AEBBD0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5.5' width='18' height='13' rx='2.4'/%3E%3Ccircle cx='8.8' cy='11' r='2'/%3E%3Cpath d='M21 15.5 16.2 11.2 12 16'/%3E%3C/svg%3E"),
    linear-gradient(150deg,#EEF4FA,#DFEAF4);
  background-repeat:no-repeat,no-repeat;
  background-position:center,center;
  background-size:46px 46px,cover;
}
.solcard__body{
  display:flex;flex-direction:column;justify-content:center;padding:18px 24px;
}
.solcard__no{
  display:block;font-size:11.5px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:7px;
}
/* 标题 / 摘要都限两行 —— 不管文案多长，卡片高度永远一致 */
.solcard__t{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:17.5px;font-weight:600;letter-spacing:-.02em;min-height:2.9em;
  line-height:1.45;color:var(--text);margin-bottom:8px;
}
.solcard__d{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:3.4em;font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.solcard__more{
  display:inline-flex;align-items:center;gap:7px;margin-top:11px;
  font-size:13.5px;font-weight:600;color:var(--accent);
}
.solcard__ar{display:inline-flex;width:15px;height:15px;transition:transform .28s}
.solcard__ar svg{width:100%;height:100%}
.solcard:hover .solcard__ar{transform:translateX(4px)}

/* ---- 方案详情弹窗 ---- */
.solmodal{
  position:fixed;inset:0;z-index:120;display:flex;
  align-items:center;justify-content:center;padding:28px;
}
.solmodal[hidden]{display:none}
.solmodal__mask{position:absolute;inset:0;background:rgba(6,14,24,.62)}
.solmodal__box{
  position:relative;width:min(1040px,100%);max-height:88vh;overflow:auto;
  background:var(--paper);border-radius:18px;box-shadow:0 40px 90px rgba(4,12,22,.42);
}
.solmodal__x{
  position:absolute;top:14px;right:14px;z-index:3;width:38px;height:38px;
  border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.95);
  color:var(--text);display:grid;place-items:center;cursor:pointer;
}
.solmodal__x svg{width:16px;height:16px}
.solmodal__x:hover{border-color:rgba(0,148,220,.5);color:var(--accent);background:#fff}
.solmodal__in{padding:34px 38px 38px}
.solmodal__in .sol{align-items:start}
.solmodal__in .sol__pic.has-img .slot-img{max-height:430px}
.solmodal__in .sol__body h3{font-size:23px}
html.sollock,html.sollock body{overflow:hidden}

.scenes-sub{
  margin:64px 0 26px;text-align:center;font-size:14px;font-weight:600;
  color:var(--text-2);letter-spacing:.02em;
}
.scenes-sub::before,.scenes-sub::after{
  content:"";display:inline-block;width:26px;height:1px;background:var(--line);
  vertical-align:middle;margin:0 14px;
}

/* 图位未上传图片时不占位（避免出现空洞） */
.picbox.slot-empty{display:none}
.piccell.cell-empty{display:none}
.intro__grid.picwrap-empty{grid-template-columns:1fr;gap:0}
.sol.picwrap-empty{grid-template-columns:1fr;gap:0}
.intro__strip.picwrap-empty{display:none}

/* ============ 优势 ============ */
.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.adv__i{background:#fff;padding:32px 30px;transition:background .3s}
.adv__i:hover{background:var(--paper-2)}
.adv__top{display:flex;align-items:center;gap:13px;margin-bottom:13px}
.adv__n{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.adv__i h4{font-size:17px}
.adv__i p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ============ 招贤纳士 ============ */
.jobs{
  max-width:640px;margin:0 auto;padding:36px 34px;text-align:center;
  border:1px solid rgba(0,148,220,.22);border-radius:18px;
  background:linear-gradient(160deg,rgba(0,148,220,.07),rgba(0,148,220,.015));
}
.jobs__t{font-size:19px;font-weight:700;color:var(--text);margin-bottom:10px}
.jobs__d{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:24px}
.jobs__mail{
  display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;
  color:var(--accent);padding:13px 28px;border-radius:11px;text-decoration:none;
  background:rgba(0,148,220,.09);border:1px solid rgba(0,148,220,.28);
  transition:background .25s,border-color .25s;
}
.jobs__mail:hover{background:rgba(0,148,220,.17);border-color:rgba(0,148,220,.5)}
.jobs__mail svg{width:19px;height:19px;flex-shrink:0}

/* ============ CTA ============ */
.cta{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cta__glow{position:absolute;width:720px;height:720px;border-radius:50%;filter:blur(110px);opacity:.4;top:-320px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(0,148,220,.46),transparent 66%);pointer-events:none}
.cta__in{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.cta__info{display:flex;flex-direction:column;gap:24px;margin-top:8px}
.cinfo{display:flex;gap:15px;align-items:flex-start}
.cinfo__ic{
  width:42px;height:42px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:var(--accent-l);
}
.cinfo__ic svg{width:19px;height:19px}
.cinfo b{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px}
.cinfo span{font-size:14px;color:rgba(255,255,255,.58);line-height:1.7}

.form{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:32px;backdrop-filter:blur(8px)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:500;color:rgba(255,255,255,.62);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
  border-radius:9px;padding:12px 14px;font-size:14.5px;color:#fff;outline:none;transition:border-color .25s,background .25s;
}
.field select option{background:#0C1D30;color:#fff}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.32)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:rgba(255,255,255,.08)}
.field textarea{resize:vertical;min-height:100px;line-height:1.7}
.form .btn{width:100%;margin-top:6px}
.form__tip{font-size:12px;color:rgba(255,255,255,.4);text-align:center;margin-top:14px;line-height:1.6}
.form__done{
  display:none;align-items:center;gap:10px;justify-content:center;
  padding:14px;border-radius:9px;background:rgba(34,197,94,.14);
  border:1px solid rgba(34,197,94,.3);color:#7EE7A6;font-size:14px;font-weight:600;margin-top:14px;
}
.form__done.show{display:flex}

/* ===== 提交未送达时的兜底提示：直接打电话 / 发邮件 ===== */
.form__fail{
  margin-top:14px;padding:16px 16px 14px;border-radius:10px;
  background:rgba(255,107,44,.12);border:1px solid rgba(255,107,44,.34);
  display:flex;flex-direction:column;gap:12px;
}
.form__fail[hidden]{display:none}
.form__fail-t{color:#FFB38A;font-size:14px;line-height:1.75;font-weight:600}
.form__fail-a{display:flex;flex-wrap:wrap;gap:10px}
.form__fail-btn{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  min-height:40px;padding:0 16px;border-radius:8px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);
  color:#EAF3FB;font-size:14px;font-weight:600;text-decoration:none;
  transition:background .25s,border-color .25s;
}
.form__fail-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34)}
.form__fail-btn--solid{
  align-self:flex-start;background:var(--accent);border-color:transparent;color:#fff;cursor:pointer;
  font-family:inherit;
}
.form__fail-btn--solid:hover{background:#00A6F0;border-color:transparent}
@media (max-width:520px){
  .form__fail-a{flex-direction:column}
  .form__fail-btn{width:100%;min-height:44px}
  .form__fail-btn--solid{align-self:stretch}
}

/* ============ 页脚 ============ */
.foot{background:#050D16;color:rgba(255,255,255,.55);padding:70px 0 0;font-size:14px}
.foot__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px}
.foot__brand p{margin-top:20px;line-height:1.85;max-width:310px;font-size:13.5px}
.foot h5{color:#fff;font-size:14px;font-weight:600;margin-bottom:20px;letter-spacing:.02em}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.foot ul a{font-size:13.5px;transition:color .25s}
.foot ul a:hover{color:var(--accent-l)}
.foot__bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.38)}
.foot__bottom a:hover{color:rgba(255,255,255,.7)}
/* 页脚联系行（电话 / 邮箱 / 地址，深色底配色） */
.foot__contact{list-style:none;margin-top:20px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62)}
.foot__contact b{color:rgba(255,255,255,.38);font-weight:600;margin-right:9px}
.foot__contact a{
  color:rgba(255,255,255,.9);border-bottom:1px dashed rgba(255,255,255,.32);
  padding-bottom:1px;transition:color .25s,border-color .25s;
}
.foot__contact a:hover{color:#fff;border-color:#fff}

/* ============ 滚动显现 ============ */
[data-rv]{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
[data-rv].in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:52px}
  .hero__desc{max-width:none}
  .plat{grid-template-columns:1fr;gap:48px}
  .cta__in{grid-template-columns:1fr;gap:44px}
  .pgrid,.labs{grid-template-columns:repeat(2,1fr)}
  .partners__grid{grid-template-columns:repeat(3,1fr)}
  .flow{grid-template-columns:repeat(3,1fr);gap:40px 0}
  .flow::before{display:none}
  .foot__top{grid-template-columns:1fr 1fr;gap:40px}
  .qbar{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .intro__grid{grid-template-columns:1fr;gap:34px}
  /* 单列时「公司配图」别被拉得比下面的环境图还大 */
  .intro__grid .intro__pic{width:100%;max-width:680px;margin-left:auto;margin-right:auto}
  .sol{grid-template-columns:1fr;gap:30px}
  .sol--flip .sol__pic{order:0}
  .sols{gap:20px}
}
/* 导航第 6 项后，821~1120px 桌面横排放不下 → 提前切抽屉菜单 */
@media (max-width:1120px){
  .nav__menu{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 26px;
    background:rgba(8,19,31,.97);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.09);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .3s,transform .3s,visibility .3s;
  }
  .nav.open .nav__menu{opacity:1;visibility:visible;transform:none}
  .nav__link{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:15.5px}
  .nav__link::after{display:none}
  .nav__item{display:flex;flex-direction:column;align-items:stretch}
  .nav__link--drop{width:100%;justify-content:space-between}
  .nav__item:hover .nav__caret{transform:none}
  .nav__drop{
    position:static;min-width:0;margin:0;padding:0;background:transparent;
    border:0;box-shadow:none;backdrop-filter:none;border-radius:0;
    opacity:1;visibility:visible;transform:none;
  }
  .nav__drop::before{display:none}
  .nav__drop-a{
    padding:12px 0 12px 18px;border-radius:0;font-size:14.5px;
    border-bottom:1px solid rgba(255,255,255,.07);color:rgba(255,255,255,.66);
  }
  .nav__cta{margin:18px 0 0;flex-direction:column;align-items:stretch;gap:14px}
  .nav__cta .btn{width:100%}
  .lang{align-self:center}
  .lang button{padding:7px 18px}
  .burger{display:block}
}
@media (max-width:820px){
  .sec{padding:80px 0}
  .sec-head{margin-bottom:42px}
  .jobs{padding:28px 22px}
  .jobs__mail{font-size:15.5px;padding:12px 22px}
  .facts{grid-template-columns:1fr}
  .facts__i{padding:22px 20px}
  .intro__hero{aspect-ratio:4/3;margin-bottom:42px}
  .intro__strip{grid-template-columns:repeat(2,1fr)}
  /* 窄屏卡片墙转单列；详情弹窗改成贴底的抽屉，拇指就能关掉 */
  .sols{grid-template-columns:1fr;gap:16px}
  .solcard__hit{grid-template-columns:200px 1fr}
  .solcard__pic{width:200px;min-height:200px}
  .sol__body h3{font-size:21px}
  .solmodal{padding:0;align-items:flex-end}
  .solmodal__box{width:100%;max-height:92vh;border-radius:16px 16px 0 0}
  .solmodal__in{padding:26px 22px 30px}
  .solmodal__in .sol__pic.has-img .slot-img{max-height:300px}
  .scenes-sub{margin:48px 0 22px}
  .stats__inner{grid-template-columns:1fr 1fr}
  .stat{padding:30px 0 0;border-right:0}
  .stat:first-child{padding-left:0}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.08);padding-right:24px}
  .pgrid,.scenes,.adv,.labs{grid-template-columns:1fr}
  /* 证书合集两张并排：820 以下仍保持两栏，到手机屏才收成单列 */
  .flow{grid-template-columns:1fr;gap:34px}
  .fstep{display:grid;grid-template-columns:54px 1fr;gap:18px;text-align:left;align-items:start}
  /* 单列上下排列时不存在对齐问题，撤掉 2 行占位与窄栏限制 */
  .fstep p{min-height:0;max-width:none}
  .fstep__n{margin:0}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 44px) 0 66px}
  .dcell__v{font-size:15px}
  .quad{padding:9px}
  .form{padding:26px 22px}
  .form__row{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr;gap:34px}
  .adv__i{padding:26px 24px}
  .partners__grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .wrap,.nav__inner{padding:0 20px}
  /* 模拟监视器里的 HUD 小字，手机上再放大一档，否则几乎看不清 */
  .cam__osd{font-size:10.5px;padding:1px 5px}
  .cam__res{font-size:10px;right:5px}
  .logo__cn{font-size:13px}
  .logo__cn small{display:none}
  .logo__div{margin:0 10px}
  .logo__img{height:26px}
  .stat{padding-top:26px}
  .btn{height:46px;padding:0 22px;font-size:14.5px}
  .hero__actions .btn{width:100%}
  .qbar{grid-template-columns:1fr}
  .vwall{grid-template-columns:1fr 1fr}
  .certs{grid-template-columns:1fr}
  /* 手机屏卡片窄，竖图框别太高，免得 6 张卡滚很久 */
  .lab__ico.has-img{max-height:380px}
  .intro__strip{grid-template-columns:1fr}
  .sol__body h3{font-size:19.5px}
  /* 手机卡片图缩窄一点，10 个方案单列滚起来不吃力 */
  .solcard__hit{grid-template-columns:124px 1fr}
  .solcard__pic{width:124px;min-height:124px}
  .solcard__body{padding:15px 16px}
  .solcard__t{font-size:16px}
  .solcard__d{font-size:13px}
  .solcard__more{margin-top:9px;font-size:13px}
  .solmodal__in .sol__pic.has-img .slot-img{max-height:250px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  [data-rv]{opacity:1;transform:none}
}
/* ---------- 由「图片管理后台」上传的实拍图 / 扫描件 ---------- */
.slot-img{display:block;width:100%;height:100%;object-fit:cover}
.slot-img--contain{object-fit:contain}
[data-slot].has-contain{background:rgba(255,255,255,.05)}

/* 产品卡：图标位变成产品图（1:1 正方形，方的素材整张放进去不裁） */
.pcard__ico.has-img{
  width:100%;aspect-ratio:1/1;height:auto;padding:0;overflow:hidden;
  border-radius:14px;background:#fff;border:1px solid #EDF1F6;
}
.pcard__ico.has-img svg{display:none}

/* 实验室卡：图标位变成设备实拍图
   框是 3:4 竖长方形（比 1:1 高 33%）—— 设备实拍多是竖长图，
   框给足高度，竖长图整张放进去、高度完整不被裁；方图/横图居中完整显示 */
.lab__ico.has-img{
  width:100%;height:auto;aspect-ratio:3/4;max-height:460px;padding:0;
  border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.lab__ico.has-img .slot-img{
  max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;
}
.lab__ico.has-img svg{display:none}
.lab:hover .lab__ico.has-img{border-color:rgba(0,148,220,.45)}

/* 证书合集大图：不再限定比例 —— 拼图横竖都由原图决定，
   整张完整显示不变形；最高 620px，防止竖向拼图把页面拉得太长 */
.cert__badge.has-img{
  display:flex;align-items:center;justify-content:center;
  width:100%;height:auto;max-width:100%;aspect-ratio:auto;
  margin:0 auto 16px;padding:10px;overflow:hidden;
  border-radius:12px;background:#fff;border:1px solid var(--line);cursor:zoom-in;
}
.cert__badge.has-img .slot-img{
  width:auto;height:auto;max-width:100%;max-height:620px;object-fit:contain;display:block;
}
.cert__badge.has-img svg{display:none}
.cert__badge.has-img .slot-img{object-fit:contain}
.cert:hover .cert__badge.has-img{border-color:var(--accent)}

/* 证书放大预览 */
.lightbox{
  position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;
  background:rgba(8,14,22,.86);padding:32px;cursor:zoom-out;
}
.lightbox.on{display:flex}
.lightbox img{max-width:min(920px,94vw);max-height:88vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5);background:#fff}
.lightbox__close{
  position:absolute;top:22px;right:26px;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;
  font-size:22px;line-height:1;cursor:pointer;
}
@media (max-width:520px){
  /* 手机屏卡片窄，图收一点，避免卡片太高 */
  .pcard__ico.has-img{aspect-ratio:4/3}
  .cert__badge.has-img .slot-img{max-height:420px}
  .sol__pic.has-img .slot-img{max-height:440px}
}
/* 单张证书合集卡：文字略放大，整体更像「一张展示图」 */
.cert--all{padding:26px 26px 30px}
.cert--all h4{font-size:17px;margin-bottom:8px}
.cert--all p{font-size:13.5px}

/* ===== 移动端可点区域与最小字号 =====
   页脚链接 / 电话邮箱原来只有 18~24px 高，拇指容易点错；
   WCAG 2.2「目标尺寸（最低）」建议 ≥24×24，这里统一抬到 30px 以上。
   只作用于触屏断点，桌面观感不变。 */
@media (max-width:820px){
  .foot ul{gap:6px}
  .foot ul a{display:inline-block;padding:6px 0;min-height:30px;font-size:14px}
  .foot__brand p{font-size:14px}
  .foot__contact{font-size:14px}
  .foot__contact a{display:inline-block;padding:5px 0;min-height:30px}
  .foot__bottom{font-size:13px;line-height:1.9}
  .foot__bottom a{display:inline-block;padding:4px 0;min-height:28px}
  .logo__cn small{font-size:10.5px}
  .link-more{min-height:32px;padding:5px 0}
}

/* ===== 从产品页带型号进来时的「正在咨询」提示条 ===== */
.form__ref{
  border:1px solid #BFE3F7;background:#F2FAFF;border-radius:12px;
  padding:13px 16px 12px;margin-bottom:18px;
}
.form__ref--tech{border-color:#D8CEF5;background:#F7F4FE}
.form__ref__in{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.form__ref__lb{
  flex:0 0 auto;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#0D7FB8;
  background:#fff;border:1px solid #CFE9F8;border-radius:5px;padding:2px 8px;
}
.form__ref--tech .form__ref__lb{color:#6C4FC7;border-color:#DED4F6}
.form__ref__m{font-size:15.5px;font-weight:600;color:var(--text);flex:1 1 auto;min-width:0}
.form__ref__x{
  flex:0 0 auto;border:none;background:none;color:var(--text-3);font-size:12.5px;
  cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:0;
}
.form__ref__x:hover{color:#D0342C}
.form__ref__t{margin:7px 0 0;font-size:12.8px;line-height:1.6;color:var(--text-2)}

/* ===== 后台「在网站上看」定位高亮 ===== */
.peek{
  outline:3px solid #FF8A3D;outline-offset:4px;border-radius:6px;
  animation:peekBlink 1.1s ease 3;
}
@keyframes peekBlink{
  0%,100%{outline-color:#FF8A3D;background:rgba(255,138,61,.06)}
  50%{outline-color:#FFD9BE;background:rgba(255,138,61,.16)}
}