/* ===========================================================
   河北正誉科技有限公司 · 官网样式
   =========================================================== */
:root{
  --bg:#05070f;
  --bg-2:#080c18;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.1);
  --txt:#e8eefc;
  --txt-dim:#98a4c4;
  --txt-mute:#68738f;
  --cyan:#22d3ee;
  --blue:#4f7cff;
  --violet:#8b5cf6;
  --pink:#f472b6;
  --amber:#fbbf24;
  --grad:linear-gradient(120deg,#22d3ee 0%,#4f7cff 45%,#8b5cf6 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.18),rgba(139,92,246,.18));
  --shadow:0 24px 60px -20px rgba(0,0,0,.85);
  --r:18px;
  --nav-h:74px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(34,211,238,.35)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#070a13}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#22d3ee,#8b5cf6);border-radius:9px}

/* 全局背景层 */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-fx .grid{
  position:absolute;inset:-2px;
  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 80% 60% at 50% 30%,#000 30%,transparent 100%);
}
.bg-fx .glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.bg-fx .g1{width:620px;height:620px;background:#0e7490;top:-160px;left:-120px}
.bg-fx .g2{width:560px;height:560px;background:#4c1d95;top:22%;right:-180px}
.bg-fx .g3{width:520px;height:520px;background:#075985;bottom:4%;left:22%}
.bg-fx .noise{
  position:absolute;inset:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap{width:min(1240px,92vw);margin-inline:auto;position:relative;z-index:2}
section{position:relative;z-index:2;padding:110px 0}

/* 滚动进度条 */
.progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:1200;
  background:var(--grad);box-shadow:0 0 14px rgba(34,211,238,.8);
}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:1000;
  display:flex;align-items:center;
  transition:background .35s,backdrop-filter .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
.nav.on{background:rgba(5,7,15,.82);backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:12px;position:relative;
  background:var(--grad);display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#05121c;letter-spacing:-1px;
  box-shadow:0 0 26px rgba(34,211,238,.45);
}
.logo-mark::after{
  content:"";position:absolute;inset:-4px;border-radius:16px;
  border:1px solid rgba(34,211,238,.45);animation:pulse 2.6s infinite;
}
@keyframes pulse{0%{transform:scale(.9);opacity:.9}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.logo-txt b{font-size:17px;letter-spacing:.5px;display:block;line-height:1.2}
.logo-txt span{font-size:11px;color:var(--txt-mute);letter-spacing:2.4px;text-transform:uppercase}
.menu{display:flex;gap:6px;align-items:center}
.menu a{
  font-size:14.5px;color:var(--txt-dim);padding:9px 14px;border-radius:10px;
  transition:.25s;position:relative;
}
.menu a:hover{color:#fff;background:var(--panel-2)}
.menu a.active{color:#fff}
.menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-cta{
  padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;color:#04121a;
  background:var(--grad);box-shadow:0 8px 26px -8px rgba(79,124,255,.9);transition:.25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 32px -8px rgba(34,211,238,.9)}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:var(--panel);cursor:pointer;position:relative}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.burger i:nth-child(1){top:14px}
.burger i:nth-child(2){top:20px}
.burger i:nth-child(3){top:26px}
.burger.x i:nth-child(1){top:20px;transform:rotate(45deg)}
.burger.x i:nth-child(2){opacity:0}
.burger.x i:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  min-height:100svh;display:flex;align-items:center;
  padding-top:var(--nav-h);position:relative;overflow:hidden;
}
#stars{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.85}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-bottom:40px}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;
  border:1px solid var(--line);border-radius:999px;background:var(--panel);
  font-size:13px;color:var(--txt-dim);backdrop-filter:blur(8px);
}
.badge b{
  background:var(--grad-soft);border:1px solid rgba(34,211,238,.35);color:var(--cyan);
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
}
.dot{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,.8);animation:ring 1.8s infinite}
@keyframes ring{70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

h1.hero-title{
  font-size:clamp(34px,5.1vw,68px);line-height:1.12;font-weight:800;
  letter-spacing:-1px;margin:22px 0 18px;
}
.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% auto;animation:flow 6s linear infinite;
}
@keyframes flow{to{background-position:200% center}}
.hero-sub{font-size:clamp(15px,1.35vw,18px);color:var(--txt-dim);max-width:640px}
.type-line{margin-top:14px;font-size:15px;color:var(--cyan);min-height:26px;font-weight:500}
.type-line .caret{display:inline-block;width:8px;background:var(--cyan);margin-left:3px;animation:blink .9s steps(2) infinite;color:transparent}
@keyframes blink{50%{opacity:0}}
.hero-btns{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:999px;
  font-size:15px;font-weight:600;transition:.3s;cursor:pointer;border:1px solid transparent;
}
.btn-p{background:var(--grad);color:#04121a;box-shadow:0 14px 34px -12px rgba(79,124,255,.95)}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 20px 44px -12px rgba(34,211,238,.95)}
.btn-g{border-color:var(--line);background:var(--panel);color:var(--txt)}
.btn-g:hover{background:var(--panel-2);transform:translateY(-3px);border-color:rgba(34,211,238,.4)}

.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero-stats div b{display:block;font-size:clamp(22px,2.3vw,32px);font-weight:800;line-height:1.2}
.hero-stats div b i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats div span{font-size:12.5px;color:var(--txt-mute);letter-spacing:.5px}

/* Hero 右侧可视化 */
.orb{position:relative;aspect-ratio:1;width:100%;display:grid;place-items:center}
.orb-ring{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.09)}
.orb-ring.r1{inset:2%}
.orb-ring.r2{inset:12%;border-color:rgba(34,211,238,.22)}
.orb-ring.r3{inset:24%;border-color:rgba(139,92,246,.22)}
.orb-core{
  width:44%;aspect-ratio:1;border-radius:50%;position:relative;
  background:conic-gradient(from 0deg,#22d3ee,#4f7cff,#8b5cf6,#22d3ee);
  filter:blur(1px);animation:spin 14s linear infinite;
  box-shadow:0 0 80px rgba(79,124,255,.55),inset 0 0 60px rgba(0,0,0,.6);
}
.orb-core::after{content:"";position:absolute;inset:9%;border-radius:50%;background:#060a14}
@keyframes spin{to{transform:rotate(360deg)}}
.orb-spin{position:absolute;inset:-4%;animation:spin 26s linear infinite}
.orb-spin i{position:absolute;top:50%;left:50%;width:11px;height:11px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 16px var(--cyan);transform:translate(-50%,-50%)}
.orb-label{
  position:absolute;padding:8px 14px;border-radius:12px;font-size:12.5px;
  background:rgba(8,12,24,.85);border:1px solid var(--line);backdrop-filter:blur(10px);
  white-space:nowrap;animation:float 5s ease-in-out infinite;
}
.orb-label.a{top:12%;left:-4%}
.orb-label.b{top:46%;right:-8%;animation-delay:1.2s}
.orb-label.c{bottom:12%;left:8%;animation-delay:2.4s}
@keyframes float{50%{transform:translateY(-12px)}}

/* ---------- 通用标题 ---------- */
.sec-head{text-align:center;max-width:800px;margin:0 auto 62px}
.tag{
  display:inline-block;font-size:12.5px;letter-spacing:3px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;font-weight:600;
}
h2{font-size:clamp(26px,3.3vw,44px);font-weight:800;letter-spacing:-.5px;line-height:1.25}
.sec-head p{margin-top:16px;color:var(--txt-dim);font-size:16px}

/* ---------- 业务卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  position:relative;padding:32px 28px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);overflow:hidden;transition:.4s;
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:.4s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(34,211,238,.16),transparent 62%);
}
.card:hover{transform:translateY(-8px);border-color:rgba(34,211,238,.38);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card .ico{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(34,211,238,.28);
  font-size:25px;margin-bottom:20px;
}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.card p{font-size:14.6px;color:var(--txt-dim)}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.card .tags span{
  font-size:12px;padding:5px 11px;border-radius:999px;color:var(--txt-dim);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.card .no{
  position:absolute;right:-14px;top:-22px;font-size:96px;font-weight:900;
  color:rgba(255,255,255,.035);letter-spacing:-4px;pointer-events:none;
}

/* ---------- 解决方案 tab ---------- */
.tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.tab{
  padding:11px 22px;border-radius:999px;font-size:14px;color:var(--txt-dim);cursor:pointer;
  border:1px solid var(--line);background:var(--panel);transition:.28s;
}
.tab:hover{color:#fff}
.tab.on{color:#04121a;background:var(--grad);border-color:transparent;font-weight:600;
  box-shadow:0 10px 26px -10px rgba(34,211,238,.9)}
.panel{display:none;animation:fade .5s}
.panel.on{display:grid}
@keyframes fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.panel-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.panel-in ul{margin-top:8px}
.panel-in li{
  display:flex;gap:12px;padding:11px 0;font-size:14.8px;color:var(--txt-dim);
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.panel-in li b{color:var(--cyan);font-weight:700;flex:none}
.panel-in h3{font-size:26px;font-weight:800;margin-bottom:14px}
.panel-in .lead{color:var(--txt-dim);font-size:15.4px;margin-bottom:18px}
.shot{
  border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:#080c18;
  box-shadow:var(--shadow);position:relative;
}
.shot img{width:100%;display:block;transition:.6s}
.shot:hover img{transform:scale(1.04)}
.shot .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;
  background:linear-gradient(transparent,rgba(4,7,14,.95));color:var(--txt-dim);
}

/* ---------- 案例时间轴 ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{
  position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  background:#070b15;transition:.4s;cursor:pointer;
}
.case:hover{transform:translateY(-8px);border-color:rgba(139,92,246,.45);box-shadow:var(--shadow)}
.case .pic{height:190px;overflow:hidden;background:#0a1020;position:relative}
.case .pic img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:.7s;filter:saturate(.9)}
.case:hover .pic img{transform:scale(1.08);filter:saturate(1.1)}
.case .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,#070b15)}
.case .body{padding:22px 24px 26px}
.case .k{
  font-size:11.5px;letter-spacing:1.6px;color:var(--cyan);text-transform:uppercase;
  display:flex;align-items:center;gap:8px;margin-bottom:10px;
}
.case .k em{font-style:normal;width:22px;height:1px;background:var(--cyan);display:block}
.case h4{font-size:17.5px;font-weight:700;margin-bottom:10px}
.case p{font-size:14px;color:var(--txt-dim)}
.case .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.case .meta span{font-size:11.5px;padding:4px 10px;border-radius:6px;
  background:rgba(34,211,238,.1);color:#7fe6f7;border:1px solid rgba(34,211,238,.2)}

.case .pic.ph{
  display:grid;place-items:center;position:relative;
  background:radial-gradient(120% 120% at 20% 10%,rgba(34,211,238,.22),transparent 60%),
             linear-gradient(135deg,#0b1224,#0a0f1e);
}
.case .pic.ph::before{
  content:attr(data-ico);font-size:60px;line-height:1;
  filter:drop-shadow(0 8px 22px rgba(34,211,238,.45));
}
.case .pic.ph::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;
}

/* ---------- 更多案例说明 ---------- */
.more{
  margin-top:44px;padding:34px 32px;border-radius:var(--r);text-align:center;
  border:1px dashed rgba(34,211,238,.35);
  background:linear-gradient(160deg,rgba(34,211,238,.07),rgba(139,92,246,.06));
}
.more b{display:inline-block;font-size:17px;font-weight:700;margin-bottom:10px}
.more b::before,.more b::after{content:"—";color:var(--cyan);margin:0 12px;opacity:.6}
.more p{font-size:14.5px;color:var(--txt-dim);max-width:760px;margin-inline:auto}
.more .chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.more .chips span{
  padding:7px 15px;border-radius:999px;font-size:13px;color:var(--txt-dim);
  border:1px solid var(--line);background:rgba(255,255,255,.045);transition:.25s;
}
.more .chips span:hover{
  color:#fff;border-color:rgba(34,211,238,.45);background:var(--grad-soft);transform:translateY(-3px);
}

/* ---------- 技术栈跑马灯 ---------- */
.marquee{overflow:hidden;position:relative;padding:26px 0;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;gap:16px;width:max-content;animation:slide 34s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.chip{
  padding:11px 22px;border-radius:999px;font-size:14px;white-space:nowrap;
  border:1px solid var(--line);background:var(--panel);color:var(--txt-dim);transition:.25s;
}
.chip:hover{color:#fff;border-color:rgba(34,211,238,.45);background:var(--grad-soft)}

/* ---------- 数据/实力条 ---------- */
.bars{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 46px;margin-top:36px}
.bar-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:9px}
.bar-top span{color:var(--txt-dim)}
.bar-top b{color:var(--cyan);font-weight:700}
.bar-line{height:7px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.bar-line i{display:block;height:100%;width:0;border-radius:99px;background:var(--grad);
  box-shadow:0 0 14px rgba(34,211,238,.6);transition:width 1.4s cubic-bezier(.22,1,.36,1)}

/* ---------- 客户墙 ---------- */
/* 客户 LOGO 墙 */
.clients{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:16px;
  padding:30px 26px;border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
}
.lcard{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:18px 10px;border-radius:16px;border:1px solid transparent;transition:.35s;
}
.lcard:hover{background:rgba(255,255,255,.04);border-color:rgba(34,211,238,.28)}
.lcard .mark{
  width:66px;height:66px;border-radius:20px;display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:0;line-height:1.1;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--line);
  background-clip:padding-box;
  transition:.35s;
}
.lcard .mark i{
  font-style:normal;
  background:linear-gradient(140deg,var(--c1,#22d3ee),var(--c2,#4f7cff));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lcard:hover .mark{transform:translateY(-4px);border-color:rgba(34,211,238,.45);
  box-shadow:0 14px 30px -14px var(--c1,#22d3ee)}
.lcard .name{font-size:12.8px;line-height:1.6;color:var(--txt-mute);transition:.3s}
.lcard:hover .name{color:var(--txt)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:10px}
.step{position:relative;padding:30px 22px;text-align:center}
.step .num{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
  font-size:19px;font-weight:800;background:var(--grad);color:#04121a;
  box-shadow:0 0 0 6px rgba(34,211,238,.08);
}
.step h4{font-size:16.5px;margin-bottom:8px}
.step p{font-size:13.6px;color:var(--txt-dim)}
.step::after{
  content:"";position:absolute;top:58px;right:0;width:50%;height:1px;
  background:linear-gradient(90deg,rgba(34,211,238,.5),transparent);
}
.step:last-child::after{display:none}
.step::before{
  content:"";position:absolute;top:58px;left:0;width:50%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.5));
}
.step:first-child::before{display:none}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin-inline:auto}
.qa{border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:14px;overflow:hidden;transition:.3s}
.qa:hover{border-color:rgba(34,211,238,.32)}
.qa .q{
  padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;gap:18px;
  align-items:center;font-size:16px;font-weight:600;
}
.qa .q i{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);font-style:normal;font-size:16px;color:var(--cyan);transition:.3s}
.qa.on .q i{transform:rotate(45deg);background:var(--grad);color:#04121a;border-color:transparent}
.qa .a{max-height:0;overflow:hidden;transition:max-height .45s ease;padding:0 24px;font-size:14.8px;color:var(--txt-dim)}
.qa.on .a{max-height:340px;padding:0 24px 22px}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.info-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.info-item .ico{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(34,211,238,.25);font-size:19px}
.info-item b{display:block;font-size:15px;margin-bottom:3px}
.info-item span{font-size:13.8px;color:var(--txt-dim)}
.form{
  padding:32px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow);
}
.form h3{font-size:21px;margin-bottom:6px}
.form .tip{font-size:13.5px;color:var(--txt-mute);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--txt-dim);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border-radius:11px;font-size:14.5px;color:var(--txt);
  background:rgba(255,255,255,.04);border:1px solid var(--line);outline:none;
  font-family:inherit;transition:.25s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:rgba(34,211,238,.55);background:rgba(34,211,238,.06);
  box-shadow:0 0 0 4px rgba(34,211,238,.09);
}
.field textarea{resize:vertical;min-height:110px}
.field select option{background:#0a1020}
.form .btn{width:100%;justify-content:center;border:none;font-family:inherit}
.tel-item{
  display:flex;align-items:center;gap:16px;padding:18px 20px;margin-bottom:14px;
  border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);transition:.3s;
}
.tel-item:hover{
  border-color:rgba(34,211,238,.45);background:var(--grad-soft);transform:translateY(-3px);
}
.tel-item .ico{
  width:48px;height:48px;flex:none;border-radius:13px;display:grid;place-items:center;
  font-size:21px;background:var(--grad-soft);border:1px solid rgba(34,211,238,.28);
}
.tel-item b{display:block;font-size:15px;font-weight:600}
.tel-item em{
  display:block;font-style:normal;font-size:22px;font-weight:800;letter-spacing:.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.tel-item span{display:block;font-size:13px;color:var(--txt-mute)}
.tel-item .arrow{margin-left:auto;font-style:normal;color:var(--cyan);font-size:18px}
.tel-note{
  margin-top:18px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.1);
  font-size:13.5px;color:var(--txt-mute);line-height:1.8;
}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 30px;position:relative;z-index:2;background:#04060d}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.f-grid h5{font-size:14.5px;margin-bottom:16px;color:#fff}
.f-grid li{font-size:13.6px;color:var(--txt-mute);padding:5px 0;transition:.2s}
.f-grid li:hover{color:var(--cyan)}
.f-brand p{font-size:13.6px;color:var(--txt-mute);margin-top:16px;max-width:340px}
.f-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.8px;color:var(--txt-mute);
}

/* ---------- 灯箱 ---------- */
.lb{
  position:fixed;inset:0;z-index:2000;background:rgba(2,4,10,.94);backdrop-filter:blur(6px);
  display:none;place-items:center;padding:5vh 5vw;cursor:zoom-out;
}
.lb.on{display:grid}
.lb img{max-width:100%;max-height:90vh;border-radius:12px;box-shadow:0 40px 100px -20px #000;
  border:1px solid var(--line);animation:zoom .35s}
@keyframes zoom{from{transform:scale(.9);opacity:0}to{transform:none;opacity:1}}
.lb .x{position:absolute;top:26px;right:34px;font-size:34px;color:#fff;cursor:pointer;line-height:1}
.lb .cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;font-size:14px;color:var(--txt-dim)}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .orb{max-width:420px;margin-inline:auto}
  .grid-3,.cases{grid-template-columns:repeat(2,1fr)}
  .panel-in{grid-template-columns:1fr}
  .clients{grid-template-columns:repeat(auto-fit,minmax(132px,1fr))}
  .f-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step::after,.step::before{display:none}
}
@media(max-width:720px){
  section{padding:74px 0}
  .menu{
    position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(5,7,15,.97);backdrop-filter:blur(18px);padding:14px;border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:.3s;
  }
  .menu.open{transform:none;opacity:1;pointer-events:auto}
  .menu a{padding:13px 16px;font-size:15px}
  .burger{display:block}
  .nav-cta{display:none}
  .grid-3,.cases,.grid-2,.contact,.bars{grid-template-columns:1fr}
  .clients{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr}
  .hero-stats{gap:22px}
}