/* =========================================================
   伟创网络科技 · 官网模板 设计系统
   风格：腾讯云式科技感 · 亮蓝 #0066FF + 浅底 + 玻璃质感
   ========================================================= */
:root{
  --blue:#0066FF;
  --blue-2:#3388FF;
  --blue-3:#66A3FF;
  --cyan:#00A6E8;
  --ink:#0D1B2A;
  --text:#1a2332;
  --muted:#5C6B7F;
  --bg:#F5F9FF;
  --bg-2:#EDF4FF;
  --line:rgba(0,102,255,.12);
  --glass:rgba(255,255,255,.70);
  --glass-strong:rgba(255,255,255,.90);
  --glass-border:rgba(255,255,255,.92);
  --shadow:0 16px 48px -14px rgba(0,80,200,.18);
  --shadow-sm:0 8px 24px -10px rgba(0,80,200,.12);
  --grad:linear-gradient(135deg,var(--blue) 0%,var(--blue-2) 50%,var(--cyan) 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,102,255,.08),rgba(0,166,232,.08));
  --r:20px;
  --r-sm:14px;
  --wrap:1360px;
  --header-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

/* 全局背景 —— 浅蓝渐变光晕 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(700px 700px at 10% -5%,rgba(0,102,255,.09),transparent 60%),
    radial-gradient(600px 600px at 95% 8%,rgba(0,166,232,.08),transparent 60%),
    radial-gradient(500px 500px at 50% 110%,rgba(51,136,255,.07),transparent 60%);
}
/* 细网格 */
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.22;
  background-image:linear-gradient(rgba(0,102,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,102,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%);
          mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%);
}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.section{padding:96px 0}
.section--tight{padding:64px 0}

/* 标题 */
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--blue);
  padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  background:var(--glass);backdrop-filter:blur(8px);margin-bottom:18px;
}
.sec-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.01em;line-height:1.2;color:var(--ink)}
.sec-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{color:var(--muted);margin-top:14px;max-width:640px;font-size:15.5px}
.sec-sub--oneline{white-space:nowrap}
.sec-head{margin-bottom:48px}
.sec-head--center{text-align:center}
.sec-head--center .sec-sub{margin-left:auto;margin-right:auto;max-width:none;display:inline-block;white-space:nowrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  padding:9px 22px;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:.25s transform,.25s box-shadow,.25s background;white-space:nowrap;
}
.btn--primary{color:#fff;background:var(--grad);box-shadow:0 12px 28px -10px rgba(0,102,255,.55)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px -10px rgba(0,102,255,.65)}
.btn--ghost{color:var(--blue);background:var(--glass);border-color:var(--glass-border);backdrop-filter:blur(10px)}
.btn--ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.btn--light{color:var(--ink);background:#fff}
.btn--light:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}

/* 玻璃卡片 */
.glass{
  background:var(--glass);backdrop-filter:blur(16px) saturate(160%);
  border:1px solid var(--glass-border);border-radius:var(--r);
  box-shadow:var(--shadow);
}

/* SVG 图标容器 */
.ic{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 12px 24px -10px rgba(0,102,255,.55);
  flex:none;
}
.ic svg{width:28px;height:28px}
.ic--soft{background:var(--grad-soft);color:var(--blue);box-shadow:none;border:1px solid var(--line)}

/* ============ 头部 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.75);backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid rgba(0,102,255,.08);
  transition:.3s background,.3s box-shadow,.3s height;
}
.site-header.scrolled{background:rgba(255,255,255,.92);box-shadow:0 8px 28px -14px rgba(0,80,200,.15);height:64px}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.logo .mark{width:34px;height:34px}
.logo .mark svg{width:100%;height:100%}
.nav{display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;padding:9px 16px;border-radius:999px;font-weight:600;font-size:15px;color:var(--text);
  transition:.2s color,.2s background;
}
.nav a:hover{color:var(--blue)}
.nav a.active{color:#fff;background:var(--grad);box-shadow:0 8px 18px -8px rgba(0,102,255,.55)}
.nav .has-child{position:relative}
.nav .drop{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:180px;padding:8px;border-radius:14px;background:var(--glass-strong);
  backdrop-filter:blur(18px);border:1px solid var(--glass-border);box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transition:.22s;z-index:20;
}
.nav .has-child:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .drop a{display:block;padding:9px 14px;border-radius:10px}
.nav .drop a:hover{background:var(--grad-soft)}
.nav .caret{font-size:10px;opacity:.65;transition:.3s transform;display:inline-block;margin-left:2px}

/* ============ MEGA MENU（hover 触发 · 全宽大长条 · 产品3列） ============ */
.site-header.mega-on{background:rgba(255,255,255,.96)}
.has-mega{position:relative}
.has-mega .mega-trigger{display:inline-flex;align-items:center;gap:3px}
.has-mega:hover > a,
.has-mega.open > a{color:#fff;background:var(--grad);box-shadow:0 8px 18px -8px rgba(0,102,255,.55)}
.has-mega:hover .caret,
.has-mega.open .caret{transform:rotate(180deg);opacity:1}
/* 全宽大长条面板：fixed 定位到 header 下方,从 logo 处开始 */
.mega{
  position:fixed;
  top:var(--header-h);left:0;right:0;
  width:100%;
  margin:0 auto;
  padding:32px 0 26px;
  background:#ffffff;backdrop-filter:blur(24px) saturate(180%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 30px 60px -20px rgba(0,80,200,.28);
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateY(-8px);
  transition:.28s cubic-bezier(.2,.7,.2,1);
  z-index:49;
}
.has-mega.open .mega{
  opacity:1;visibility:visible;pointer-events:auto;
  transform:translateY(0);
}
.mega__inner{
  max-width:var(--wrap);margin:0 auto;padding:0 22px;
}
.mega__head{
  display:flex;align-items:center;gap:8px;padding:0 4px 14px;
  border-bottom:1px solid var(--line);margin-bottom:18px;
}
.mega__head .bar{width:3px;height:16px;border-radius:2px;background:var(--grad);flex:none}
.mega__head h4{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin:0}
.mega__more{font-size:12px;color:var(--muted);margin-left:auto;font-weight:600;transition:.2s color}
.mega__more:hover{color:var(--blue)}
/* 产品 3列网格(每列更宽) */
.mega__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 22px}
.mega__item{
  display:flex;gap:14px;padding:14px 16px;border-radius:14px;align-items:flex-start;
  transition:.22s background,.22s transform;
  position:relative;overflow:hidden;min-width:0;
}
.mega__item::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);
  opacity:0;transition:.22s opacity;border-radius:14px;
}
.mega__item:hover{transform:translateY(-2px)}
.mega__item:hover::before{opacity:1}
.mega__item > *{position:relative;z-index:1}
.mega__item .ico{
  width:48px;height:48px;border-radius:13px;flex:none;
  display:grid;place-items:center;background:transparent;overflow:hidden;
  transition:.3s;
}
.mega__item .ico img{width:100%;height:100%;object-fit:contain}
.mega__item:hover .ico{transform:scale(1.08) rotate(-3deg)}
.mega__item .txt{min-width:0;flex:1}
.mega__item b{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.3;margin-bottom:4px}
.mega__item small{display:block;font-size:12px;font-weight:400;color:var(--muted);line-height:1.5}
.mega__empty{
  padding:20px;text-align:center;color:var(--muted);font-size:12.5px;
  background:var(--grad-soft);border-radius:12px;border:1px dashed var(--line);
  grid-column:1 / -1;
}

/* staggered entry 一下下弹出 */
.has-mega.open .mega{animation:megaFade .32s cubic-bezier(.2,.7,.2,1) both}
@keyframes megaFade{
  from{opacity:0;transform:translateY(-10px) scale(.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.has-mega.open .mega__item{animation:itemIn .38s cubic-bezier(.2,.7,.2,1) both}
.has-mega:hover .mega__item:nth-child(1){animation-delay:.05s}
.has-mega:hover .mega__item:nth-child(2){animation-delay:.09s}
.has-mega:hover .mega__item:nth-child(3){animation-delay:.13s}
.has-mega:hover .mega__item:nth-child(4){animation-delay:.17s}
.has-mega:hover .mega__item:nth-child(5){animation-delay:.21s}
.has-mega:hover .mega__item:nth-child(6){animation-delay:.25s}
@keyframes itemIn{
  from{opacity:0;transform:translateX(-10px)}
  to{opacity:1;transform:none}
}
.header-cta{display:flex;align-items:center;gap:12px}
.header-cta .btn{padding:10px 20px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* ============ HERO —— 大宽屏左右布局 ============ */
.hero{position:relative;padding:calc(var(--header-h) + 80px) 0 90px;overflow:hidden;text-align:left;
  background:linear-gradient(170deg,#F0F7FF 0%,#EBF4FF 35%,#F5FAFF 65%,#FFFFFF 100%)}

/* 背景层：柔和光晕 + 网格 */
.hero__bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero__glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.75}
.hero__glow--a{width:640px;height:640px;top:-240px;right:8%;
  background:radial-gradient(circle,rgba(0,136,255,.28),transparent 70%)}
.hero__glow--b{width:420px;height:420px;bottom:-160px;left:6%;
  background:radial-gradient(circle,rgba(0,166,232,.20),transparent 70%)}
.hero__grid{position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(0,102,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,102,255,.05) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(ellipse 85% 80% at 55% 45%,#000 18%,transparent 72%);
          mask-image:radial-gradient(ellipse 85% 80% at 55% 45%,#000 18%,transparent 72%)}
.hero__wave{position:absolute;left:0;right:0;bottom:-2px;height:70px;
  background:linear-gradient(180deg,transparent,#FFFFFF)}

/* 内容区：左右两栏 */
.hero__inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:0 22px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__copy{width:100%}
.hero__badge{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--blue);
  padding:7px 18px;border-radius:999px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(8px);margin-bottom:26px}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(0,102,255,.18)}
.hero h1{font-size:clamp(40px,4.6vw,64px);line-height:1.12;font-weight:850;letter-spacing:-.02em;color:var(--ink)}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:26px;font-size:17px;color:var(--muted);max-width:560px;line-height:1.8}
.hero p.lead b{color:var(--blue);font-weight:700}
.hero__actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero__stats{display:flex;gap:40px;margin-top:52px;flex-wrap:wrap}
.hero__stats .s b{font-size:34px;font-weight:850;color:var(--blue);display:block;line-height:1}
.hero__stats .s span{font-size:13.5px;color:var(--muted);margin-top:8px;display:block}
.hero__stats .s{position:relative}
.hero__stats .s + .s::before{content:"";position:absolute;left:-20px;top:4px;bottom:4px;width:1px;background:linear-gradient(180deg,transparent,rgba(0,102,255,.18),transparent)}

/* 右侧视觉区：科技浮层 + 3D 插画 */
.hero__visual{position:relative;min-height:460px}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;z-index:0}
.orb--a{width:280px;height:280px;background:radial-gradient(circle at 35% 35%,rgba(0,136,255,.45),transparent 70%);top:-20px;right:30px}
.orb--b{width:220px;height:220px;background:radial-gradient(circle at 35% 35%,rgba(0,166,232,.40),transparent 70%);bottom:0;left:-20px}
.hero__3d{position:relative;z-index:2;display:block;width:100%;max-width:600px;margin:0 auto;
  filter:drop-shadow(0 30px 50px rgba(0,80,200,.18));
  animation:heroFloat 6s ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.ring{position:absolute;z-index:1;top:50%;left:50%;width:320px;height:320px;margin:-160px 0 0 -160px;
  border-radius:50%;border:1.5px dashed rgba(0,102,255,.30);animation:spin 26s linear infinite}
.ring::before{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--blue);top:-7px;left:50%;box-shadow:0 0 16px var(--blue)}
@keyframes spin{to{transform:rotate(360deg)}}



/* ============ 通用卡片网格 ============ */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 产品方案：中央 3D + 5 角环绕（图1 风格） ============ */
.orbit{
  position:relative;min-height:850px;display:grid;place-items:center;
  background:transparent;
  border-radius:0;overflow:hidden;
  box-shadow:none;
  --r:270px;
}
.orbit::before{
  content:"";position:absolute;inset:0;opacity:.25;pointer-events-events:none;
  background-image:linear-gradient(rgba(0,102,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,102,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
}
.orbit__ring{position:absolute;border-radius:50%;border:1.5px dashed rgba(0,102,255,.30);pointer-events:none}
.orbit__ring--1{width:620px;height:620px;top:50%;left:50%;margin:-310px 0 0 -310px;animation:spin 60s linear infinite}
.orbit__ring--2{width:460px;height:460px;top:50%;left:50%;margin:-230px 0 0 -230px;animation:spin 40s linear infinite reverse;border-color:rgba(0,166,232,.40)}
.orbit__center{position:relative;width:280px;height:280px;display:grid;place-items:center;z-index:2}
/* 中央展示插画 */
.orbit__art{position:relative;z-index:2;display:block;width:100%;max-width:280px;height:auto;
  filter:drop-shadow(0 20px 40px rgba(0,80,200,.22));
  animation:orbitFloat 6s ease-in-out infinite}
@keyframes orbitFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
/* 中央光晕 */
.orbit__halo{
  position:absolute;top:50%;left:50%;width:380px;height:380px;border-radius:50%;
  background:conic-gradient(from 0deg,transparent,rgba(0,102,255,.22),transparent 30%,rgba(0,166,232,.16) 60%,transparent);
  margin:-190px 0 0 -190px;animation:spin 14s linear infinite;pointer-events:none;
}
.orbit__line{position:absolute;width:120px;height:2px;background:linear-gradient(90deg,rgba(0,102,255,.6),transparent);border-radius:2px;pointer-events:none}
.orbit__line--tl{top:50%;left:-200px;transform:rotate(-25deg)}
.orbit__line--tr{top:50%;right:-200px;transform:rotate(25deg)scaleX(-1)}

/* 环绕节点 */
.orbit__node{
  position:absolute;left:50%;top:50%;width:0;height:0;
  text-decoration:none;color:inherit;z-index:3;
}
.orbit__circle{
  position:absolute;left:0;top:0;
  width:54px;height:54px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex:none;
  box-shadow:0 16px 32px -10px rgba(0,102,255,.6);
  transform:translate(-50%,-50%) rotate(var(--a)) translateY(calc(-1 * var(--r))) rotate(calc(-1 * var(--a)));
  transition:.3s transform;
}
.orbit__node:hover .orbit__circle{transform:translate(-50%,-50%) rotate(var(--a)) translateY(calc(-1 * var(--r))) rotate(calc(-1 * var(--a))) scale(1.08)}
.orbit__circle::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(0,102,255,.4)}
.orbit__circle svg{width:24px;height:24px}
.orbit__label{
  position:absolute;left:0;top:0;width:160px;text-align:center;
  transform:translate(-50%,-50%) rotate(var(--a)) translateY(calc(-1 * (var(--r) + 110px))) rotate(calc(-1 * var(--a)));
}
.orbit__label h4{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:6px}
.orbit__label small{font-size:12.5px;color:var(--muted);line-height:1.55}
/* 顶部节点：标题在左、描述在右（横向排列），避免竖向堆叠被顶部遮挡 */
.orbit__node--1 .orbit__label{display:flex;align-items:center;gap:14px;width:auto;max-width:260px;text-align:left;white-space:normal}
.orbit__node--1 .orbit__label h4{margin:0;flex:none;white-space:nowrap}
.orbit__node--1 .orbit__label small{flex:none;max-width:190px;text-align:left;line-height:1.5}
/* 6 个节点均匀环绕：每 60° 一个，从正上方顺时针 */
.orbit__node--1{--a:0deg}
.orbit__node--2{--a:60deg}
.orbit__node--3{--a:120deg}
.orbit__node--4{--a:180deg}
.orbit__node--5{--a:240deg}
.orbit__node--6{--a:300deg}

/* ============ 开发业务：左侧 Tab + 右侧大展示（图2 风格） ============ */
.dev-tabs{
  display:grid;grid-template-columns:240px 1fr;gap:0;
  background:var(--glass-strong);backdrop-filter:blur(20px) saturate(180%);
  border:1px solid var(--glass-border);border-radius:24px;overflow:hidden;
  box-shadow:0 30px 60px -25px rgba(0,80,200,.25);
  background-color:rgba(245,250,255,.96);
}
.dev-tabs__menu{padding:24px 18px;display:flex;flex-direction:column;gap:10px;background:rgba(245,250,255,.7);border-right:1px solid var(--line)}
.dev-tab{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:14px;
  background:transparent;border:0;cursor:pointer;text-align:left;font:inherit;
  color:var(--text);font-weight:700;font-size:15px;transition:.25s background,.25s color,.25s transform;
}
.dev-tab:hover{background:var(--grad-soft);color:var(--blue)}
.dev-tab.active{background:var(--grad);color:#fff;box-shadow:0 12px 24px -10px rgba(0,102,255,.55);transform:translateX(4px)}
.dev-tab__ic{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(0,102,255,.10);color:var(--blue);transition:.25s background,.25s color;
}
.dev-tab__ic svg{width:20px;height:20px}
.dev-tab.active .dev-tab__ic{background:rgba(255,255,255,.25);color:#fff}
.dev-tab__txt{font-weight:700}

/* 右侧大展示 */
.dev-tabs__panel{position:relative;padding:36px 40px;min-height:480px}
.dev-panel{display:none;grid-template-columns:1.35fr .65fr;column-gap:20px;align-items:start;animation:devFade .35s ease both}
.dev-panel__left{grid-column:1;grid-row:1/3;display:flex;flex-direction:column;gap:6px}
.dev-preview{grid-column:2;grid-row:1/3}
.dev-panel.active{display:grid}
@keyframes devFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.dev-panel__head h3{font-size:28px;font-weight:850;color:var(--ink);margin-bottom:10px;line-height:1.3}
.dev-panel__head p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:0}
.dev-panel__chips{display:flex;flex-wrap:wrap;gap:10px;max-width:none;margin-top:14px}
.dev-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);font-size:13px;font-weight:600;color:var(--text);
  transition:.2s background,.2s border-color;
}
.dev-chip:hover{background:var(--grad-soft);border-color:rgba(0,102,255,.30)}
.dev-chip .i{
  display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:800;font-size:11px;flex:none;
}
.dev-panel__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* 设备预览 */
.dev-preview{display:grid;place-items:center;min-height:300px;position:relative}
.dev-phone{
  position:relative;width:240px;height:380px;border-radius:36px;
  background:linear-gradient(145deg,#1A1F36,#0D1B2A);padding:12px;
  box-shadow:0 30px 60px -20px rgba(0,80,200,.45),inset 0 0 0 2px rgba(255,255,255,.06);
}
.dev-phone__notch{position:absolute;top:18px;left:50%;transform:translateX(-50%);width:80px;height:22px;background:#0a0e1c;border-radius:0 0 14px 14px;z-index:3}
.dev-phone__screen{
  width:100%;height:100%;border-radius:26px;background:#fff;padding:38px 14px 14px;
  display:flex;flex-direction:column;gap:10px;overflow:hidden;
}
.dev-phone__bar{height:24px;border-radius:8px;background:linear-gradient(90deg,var(--grad-soft),#fff);position:relative}
.dev-phone__bar::after{content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--blue)}
.dev-phone__row{display:flex;gap:8px;justify-content:space-between}
.dev-phone__row i{width:48px;height:48px;border-radius:12px;background:var(--grad-soft);flex:1;display:block;position:relative}
.dev-phone__row i::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:18px;height:18px;border-radius:50%;background:var(--blue);opacity:.5}
.dev-phone__card{height:80px;border-radius:12px;background:linear-gradient(135deg,#E8F2FF,#DCEAFF);position:relative;overflow:hidden}
.dev-phone__card::after{content:"";position:absolute;right:-10px;bottom:-10px;width:50px;height:50px;border-radius:50%;background:rgba(0,102,255,.18)}
.dev-phone__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.dev-phone__grid i{height:60px;border-radius:10px;background:var(--grad-soft);display:block;position:relative}
.dev-phone__grid i:nth-child(1){background:linear-gradient(135deg,#FFB347,#FF8C42)}
.dev-phone__grid i:nth-child(2){background:linear-gradient(135deg,#66D4FF,#3388FF)}
.dev-phone__grid i:nth-child(3){background:linear-gradient(135deg,#A8E063,#66BB6A)}
.dev-phone__list{display:flex;flex-direction:column;gap:10px}
.dev-phone__list i{height:54px;border-radius:12px;background:var(--grad-soft);display:block;position:relative;padding-left:14px}
.dev-phone__list i::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:8px;background:var(--blue);opacity:.5}
.dev-phone__hero{height:80px;border-radius:14px;background:linear-gradient(135deg,#0066FF,#00A6E8);position:relative;overflow:hidden}
.dev-phone__hero::after{content:"";position:absolute;left:20px;bottom:14px;width:60px;height:14px;border-radius:4px;background:rgba(255,255,255,.4)}

/* PC 预览 */
.dev-pc{
  width:100%;max-width:520px;border-radius:20px;background:#fff;
  box-shadow:0 30px 60px -20px rgba(0,80,200,.35);overflow:hidden;
  border:1px solid rgba(0,102,255,.10);
}
.dev-pc__top{display:flex;align-items:center;gap:8px;padding:10px 16px;background:#F0F5FF;border-bottom:1px solid rgba(0,102,255,.08)}
.dev-pc__top i{width:11px;height:11px;border-radius:50%;background:#FF5F57}
.dev-pc__top i:nth-child(2){background:#FEBC2E}
.dev-pc__top i:nth-child(3){background:#28C840}
.dev-pc__top span{flex:1;height:8px;margin-left:8px;border-radius:4px;background:rgba(0,102,255,.10)}
.dev-pc__top span:last-child{flex:none;width:80px}
.dev-pc__body{display:grid;grid-template-columns:90px 1fr;gap:0;min-height:280px}
.dev-pc__side{background:#F0F5FF;padding:14px 10px;display:flex;flex-direction:column;gap:8px}
.dev-pc__side::before{content:"";display:block;height:14px;border-radius:6px;background:rgba(0,102,255,.18);margin-bottom:6px}
.dev-pc__side::after{content:"";display:block;height:14px;border-radius:6px;background:var(--grad);flex:1}
.dev-pc__main{padding:18px;display:flex;flex-direction:column;gap:12px}
.dev-pc__chart{flex:1;min-height:140px;border-radius:12px;background:linear-gradient(135deg,#E8F2FF,#DCEAFF);position:relative;overflow:hidden}
.dev-pc__chart::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:60%;
  background-image:linear-gradient(to top,rgba(0,102,255,.25),transparent);
  clip-path:polygon(0 80%,12% 60%,24% 70%,36% 40%,48% 55%,60% 30%,72% 45%,84% 25%,100% 35%,100% 100%,0 100%);
}
.dev-pc__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.dev-pc__grid i{height:40px;border-radius:8px;background:var(--grad-soft);display:block}

/* 代码预览 */
.dev-code{
  width:100%;max-width:520px;border-radius:18px;background:#0D1B2A;color:#E0E8F8;
  box-shadow:0 30px 60px -20px rgba(0,80,200,.45);overflow:hidden;
  border:1px solid rgba(0,102,255,.18);font-family:"Fira Code","Cascadia Code","Source Code Pro",Consolas,monospace;
}
.dev-code__hd{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.06)}
.dev-code__hd i{width:10px;height:10px;border-radius:50%;background:#FF5F57}
.dev-code__hd i:nth-child(2){background:#FEBC2E}
.dev-code__hd i:nth-child(3){background:#28C840}
.dev-code__hd span{margin-left:auto;font-size:12px;color:#7E8FAB}
.dev-code pre{margin:0;padding:18px;font-size:13px;line-height:1.75}
.dev-code .kw{color:#FF7B72}
.dev-code .fn{color:#D2A8FF}
.dev-code .bl{color:#79C0FF}
.dev-code .st{color:#A5D6FF}

/* ============ 核心交付能力：顶部 Tab + 三栏（图3 风格） ============ */
.pill-tabs{
  display:flex;justify-content:center;gap:10px;margin:0 auto 36px;flex-wrap:wrap;
}
.pill-tab{
  padding:11px 26px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font:600 15px/1 inherit;color:var(--text);cursor:pointer;transition:.22s;
}
.pill-tab:hover{border-color:var(--blue);color:var(--blue);background:var(--grad-soft)}
.pill-tab.active{
  background:var(--grad);color:#fff;border:0;
  box-shadow:0 12px 24px -10px rgba(0,102,255,.55);
}
.pill-panel{display:none;grid-template-columns:.85fr 1.6fr .9fr;gap:20px;align-items:stretch;animation:paneIn .4s ease both}
.pill-panel.active{display:grid}
@keyframes paneIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
/* 左侧封面卡 */
.pill-panel__cover{
  position:relative;border-radius:24px;padding:30px 26px;
  background:linear-gradient(160deg,#7C3AED,#5B21B6);color:#fff;
  box-shadow:0 30px 60px -20px rgba(124,58,237,.45);overflow:hidden;
  display:flex;flex-direction:column;gap:14px;
}
.pill-panel__cover .cover__bg{position:absolute;inset:0;opacity:.25;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);background-size:24px 24px}
.pill-panel__cover h4{position:relative;font-size:30px;font-weight:900;line-height:1.2}
.pill-panel__cover small{position:relative;font-size:13px;opacity:.85;letter-spacing:.04em}
.cover__3d{position:relative;margin:auto 0;display:grid;place-items:center;padding:20px 0}
.cover__3d svg{width:100%;max-width:180px;height:auto;filter:drop-shadow(0 14px 30px rgba(0,0,0,.25))}
.cover__3d img{width:100%;max-width:220px;height:auto;filter:drop-shadow(0 14px 30px rgba(0,0,0,.25));display:block}
/* 整图封面：background 方式铺图 */
.pill-panel__cover--img{
  background:url("../images/industry-cover.png") center/cover no-repeat,linear-gradient(160deg,#0066FF,#00A6E8);
  justify-content:flex-start;
  padding-top:20px;
  box-shadow:0 30px 60px -20px rgba(0,102,255,.35);
}
.pill-panel__cover.pill-panel__cover--img-dev,
.pill-panel[data-pane="hw"] .pill-panel__cover--img-dev{
  background:url("../images/dev-cover.png") center/cover no-repeat,linear-gradient(160deg,#0066FF,#00A6E8);
}
.pill-panel__cover--img h4,.pill-panel__cover--img small{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 8px rgba(255,255,255,.85));
}
.pill-panel__cover--img h4{
  font-size:24px;
  margin-top:-4px;
}
.pill-panel__cover--img small{
  margin-top:-8px;
}
.pill-panel__cover[data-pane="hw"] ,.pill-panel[data-pane="hw"] .pill-panel__cover{background:linear-gradient(160deg,#0066FF,#003D99)}
.pill-panel[data-pane="ms"] .pill-panel__cover{background:linear-gradient(160deg,#10B981,#047857)}
.pill-panel[data-pane="gw"] .pill-panel__cover{background:linear-gradient(160deg,#F59E0B,#B45309)}
/* 整图封面（放在渐变规则之后，确保不被 hw 渐变覆盖） */
.pill-panel[data-pane="sw"] .pill-panel__cover--img,
.pill-panel[data-pane="hw"] .pill-panel__cover--img-dev{
  background:url("../images/industry-cover.png") center/cover no-repeat,linear-gradient(160deg,#0066FF,#00A6E8);
}
.pill-panel[data-pane="hw"] .pill-panel__cover--img-dev{
  background:url("../images/dev-cover.png") center/cover no-repeat,linear-gradient(160deg,#0066FF,#00A6E8);
}
.pill-panel__cover.pill-panel__cover--img-delivery,
.pill-panel[data-pane="ms"] .pill-panel__cover--img-delivery{
  background:url("../images/delivery-cover.png") center/cover no-repeat,linear-gradient(160deg,#10B981,#047857);
}
.pill-panel__cover.pill-panel__cover--img-system,
.pill-panel[data-pane="gw"] .pill-panel__cover--img-system{
  background:url("../images/system-cover.png") center/cover no-repeat,linear-gradient(160deg,#F59E0B,#B45309);
}
.cover__more{position:relative;display:inline-block;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-weight:700;align-self:flex-start;transition:.2s}
.cover__more:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
/* 中间卡片网格 */
.pill-panel__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;grid-auto-rows:1fr;align-items:stretch}
.pp-card{
  position:relative;padding:18px 18px 16px;border-radius:16px;background:#fff;
  border:1px solid rgba(0,102,255,.08);box-shadow:0 8px 24px -12px rgba(0,80,200,.12);
  display:flex;flex-direction:column;gap:8px;transition:.22s transform,.22s box-shadow;
}
.pp-card:hover{transform:translateY(-3px);box-shadow:0 16px 30px -12px rgba(0,80,200,.20)}
.pp-card h5{font-size:16px;font-weight:800;color:var(--ink)}
.pp-card p{font-size:12.5px;color:var(--muted);line-height:1.6;flex:1}
.pp-card__cta{align-self:flex-start;font-size:12px;color:var(--blue);font-weight:700;padding:5px 12px;border-radius:999px;background:var(--grad-soft)}
/* 右侧痛点列表 */
.pill-panel__side{padding:24px 22px;border-radius:18px;background:#fff;border:1px solid rgba(0,102,255,.08);box-shadow:0 8px 24px -12px rgba(0,80,200,.12)}
.pill-panel__side h4{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--blue);display:inline-block}
.pill-panel__side ol{display:flex;flex-direction:column;gap:12px;counter-reset:pp}
.pill-panel__side li{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--text);line-height:1.6}
.pill-panel__side .dot{
  flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  font-weight:800;font-size:13px;color:#fff;background:var(--grad);
}
.pill-panel__side .dot--1{background:linear-gradient(135deg,#FF7A8B,#FF4D6D)}
.pill-panel__side .dot--2{background:linear-gradient(135deg,#FFB347,#FF8C42)}
.pill-panel__side .dot--3{background:linear-gradient(135deg,#06B6D4,#0EA5E9)}
.pill-panel__side .dot--4{background:linear-gradient(135deg,#10B981,#22C55E)}
.pill-panel__side .dot--5{background:linear-gradient(135deg,#A78BFA,#7C3AED)}

/* ============ 技术语言云 ============ */
.chips{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;padding:10px 0}
.chip{position:relative;padding:14px 28px;border-radius:18px 18px 18px 4px;
  background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-sm);font-weight:800;color:var(--ink);transition:.28s transform,.28s box-shadow;
  font-size:18px}
.chip:nth-child(3n){font-size:24px;padding:18px 34px}
.chip:nth-child(4n){transform:rotate(-3deg)}
.chip:nth-child(2n){transform:rotate(2deg);border-radius:18px 4px 18px 18px}
.chip:hover{transform:translateY(-6px) rotate(0);box-shadow:var(--shadow);background:var(--grad);color:#fff}
.chip small{display:block;font-size:12px;font-weight:600;color:var(--muted)}
.chip:hover small{color:rgba(255,255,255,.88)}

/* ============ 核心优势：六角形徽章 + 6 节点环绕 ============ */
.hex{position:relative;height:600px;display:grid;place-items:center}
.hex__lines{position:absolute;inset:0;width:100%;height:100%}
.hex__core{position:relative;display:grid;place-items:center;text-align:center;color:var(--ink);z-index:2}
.hex__core-svg{width:200px;height:200px;filter:drop-shadow(0 30px 60px rgba(0,102,255,.4));animation:spin 30s linear infinite}
.hex__core-glow{
  position:absolute;top:50%;left:50%;width:300px;height:300px;border-radius:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(0,102,255,.18),transparent 70%);pointer-events:none;z-index:-1;
}
.hex__core span{margin-top:-30px;display:block;font-weight:800;font-size:14px;letter-spacing:.05em}
.hex__node{position:absolute;display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;z-index:3;transition:.3s transform}
.hex__node:hover{transform:scale(1.06)}
.hex__circle{
  width:54px;height:54px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex:none;box-shadow:0 14px 28px -8px rgba(0,102,255,.55);
  transition:.3s transform;
}
.hex__circle svg{width:24px;height:24px}
.hex__node:hover .hex__circle{transform:rotate(-8deg) scale(1.08)}
.hex__node h4{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:4px}
.hex__node p{font-size:12.5px;color:var(--muted);max-width:170px;line-height:1.5}
.hex__node--1{top:30px;left:50%;margin-left:-340px}
.hex__node--2{top:30px;right:50%;margin-right:-340px}
.hex__node--3{top:50%;right:0;margin-top:-30px;flex-direction:row-reverse}
.hex__node--4{bottom:30px;right:50%;margin-right:-340px}
.hex__node--5{bottom:30px;left:50%;margin-left:-340px}
.hex__node--6{top:50%;left:0;margin-top:-30px}

/* ============ 新闻 ============ */
.news{display:grid;grid-template-columns:1.2fr 1fr;gap:26px}
.news__lead{display:flex;flex-direction:column;gap:14px;height:100%}
.news__lead a{display:flex;flex-direction:column;flex:1;min-height:0;border-radius:var(--r);overflow:hidden;background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--shadow-sm);transition:.25s transform,.25s box-shadow}
.news__lead a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news__lead .ph{height:120px;flex:none;background:var(--grad-soft);position:relative;overflow:hidden}
.news__lead .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,102,255,.15),rgba(0,166,232,.15))}
.news__lead .body{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.news__lead h3{font-size:16px;color:var(--ink);font-weight:800;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news__lead p{color:var(--muted);margin-top:8px;font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news__lead .more{color:var(--indigo);font-weight:700}
.news__lead .news__foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between}
.news__lead .news__foot .date{font-size:12.5px;color:var(--muted)}
.news__list{display:flex;flex-direction:column;gap:10px;height:100%}
.news__item{display:flex;gap:16px;padding:12px 14px;border-radius:16px;background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-sm);transition:.25s transform,.25s box-shadow;flex:1;align-items:center}
.news__item:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.news__item .date{width:62px;flex:none;text-align:center;color:var(--blue);font-weight:800;border-right:1px solid var(--line);padding-right:12px}
.news__item .date b{font-size:22px;display:block;line-height:1}
.news__item .date span{font-size:12px;color:var(--muted);white-space:nowrap}
.news__item h4{font-size:15.5px;color:var(--ink);font-weight:700;line-height:1.45}
.news__item .more{font-size:12.5px;color:var(--muted);margin-top:4px}

/* ============ CTA 通栏 ============ */
.cta-band{padding:0 0 56px;margin-top:-52px}
.cta-band__inner{width:100%;padding:40px 22px;border-radius:0;
  background:var(--grad);color:#fff;
  box-shadow:0 30px 60px -20px rgba(0,102,255,.55)}
.cta-band + .footer{margin-top:0}

/* ============ 栏目 BANNER —— 浅蓝渐变 ============ */
.banner{position:relative;margin-top:var(--header-h);padding:70px 0 60px;overflow:hidden;
  background:linear-gradient(135deg,#E8F2FF 0%,#DCEAFF 40%,#EEF5FF 70%,#F5FAFF 100%);color:var(--ink)}
.banner::before{content:"";position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(circle at 85% 20%,rgba(0,102,255,.10),transparent 40%),
    radial-gradient(circle at 15% 80%,rgba(0,166,232,.07),transparent 40%)}
.banner::after{content:"";position:absolute;right:8%;bottom:0;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,136,255,.12),transparent 70%);filter:blur(40px)}
.banner__inner{position:relative;z-index:2}
.banner h1{font-size:clamp(30px,4vw,46px);font-weight:850;letter-spacing:-.01em;color:var(--ink)}
.banner p{margin-top:12px;color:var(--muted);max-width:620px}
.crumb{display:flex;gap:8px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{text-decoration:underline;color:var(--blue)}
.crumb span{opacity:.6}

/* ============ 单页(功能介绍) ============ */
.col-page{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-bottom:60px}
.col-page:nth-child(even){direction:rtl}
.col-page:nth-child(even)>*{direction:ltr}
.col-page .ph{height:340px;border-radius:var(--r);background:var(--grad-soft);border:1px solid var(--line);position:relative;overflow:hidden;display:grid;place-items:center}
.col-page .ph .ic{width:96px;height:96px;border-radius:26px}
.col-page .ph .ic svg{width:50px;height:50px}
.col-page h2{font-size:clamp(24px,3vw,34px);font-weight:850;color:var(--ink)}
.col-page .lead{color:var(--muted);margin-top:16px;font-size:15.5px}
.col-page ul.feat{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.col-page ul.feat li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.col-page ul.feat li .tick{flex:none;width:24px;height:24px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:13px;margin-top:2px}

/* 子栏目功能卡 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{position:relative;padding:26px;border-radius:var(--r);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(13px);border:1px solid var(--glass-border);box-shadow:var(--shadow-sm);
  transition:.3s transform,.3s box-shadow}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-card .fi{font-size:34px;font-weight:900;color:var(--blue);opacity:.25;line-height:1}
.feature-card h3{font-size:18px;color:var(--ink);font-weight:800;margin-top:8px}
.feature-card p{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{position:relative;padding:16px 18px;border-radius:var(--r);text-align:center;overflow:hidden;
  background:#fff;border:1px solid #e2e8f0;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:.3s transform,.3s box-shadow}
.contact-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,102,255,.18)}
.contact-card__icon{display:none}
.contact-card h3{font-size:17px;color:#1a2332;font-weight:800;margin-top:0}
.contact-card p{font-size:12.5px;color:#94a3b8;margin:4px 0 8px}
.contact-card strong{font-size:17px;color:var(--blue);font-weight:800;word-break:break-all}

.contact-main{display:grid;grid-template-columns:380px 1fr;gap:28px;align-items:stretch}
.contact-qr-card{padding:34px;border-radius:var(--r);background:#fff;border:1px solid #e2e8f0;box-shadow:0 2px 10px rgba(0,0,0,.06);text-align:center}
.contact-qr-card h3{font-size:19px;color:#1a2332;font-weight:800;margin-bottom:22px}
.contact-qrs{display:flex;justify-content:center;gap:26px}
.contact-qr{display:flex;flex-direction:column;align-items:center;gap:10px}
.contact-qr img{width:130px;height:130px;object-fit:cover;border-radius:12px;border:1px solid #eef1f6;background:#f8fafc}
.contact-qr span{font-size:13px;color:#5C6B7F;font-weight:600}

.contact-intro{padding:36px}
.contact-intro h2{font-size:24px;color:#1a2332;font-weight:900;margin-bottom:16px}
.contact-intro p{font-size:15px;color:#4a5a70;line-height:1.9;margin-bottom:14px}
.contact-intro__btns{margin-top:24px;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 文章列表 ============ */
/* 通栏图片 banner */
.art-banner{position:relative;margin-top:var(--header-h);height:320px;background-size:cover;background-position:center;background-color:var(--navy);overflow:hidden}
.art-banner--video{background:none}
.art-banner__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.art-banner__mask{position:absolute;inset:0;background:transparent;z-index:1}
.art-banner__inner{position:relative;height:100%;display:flex;align-items:center;justify-content:center;z-index:2}
.art-banner__inner h1{font-size:clamp(28px,4vw,44px);font-weight:800;color:#fff;letter-spacing:2px;text-shadow:0 4px 20px rgba(0,0,0,.3)}

/* 面包屑 + 二级栏目导航 */
.art-section{padding-top:28px;padding-bottom:64px}
.art-subnav{background:#fff;border-bottom:1px solid var(--line)}
.art-subnav .wrap{padding-top:16px;padding-bottom:16px}
.art-subnav .crumb{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.art-subnav .crumb a{color:var(--muted)}
.art-subnav .crumb a:hover{color:var(--blue)}
.art-subnav .crumb .sep{margin:0 8px;color:var(--line)}
.art-subnav__tabs{display:flex;gap:10px;flex-wrap:wrap}
.art-subnav__tabs a{padding:9px 20px;border-radius:30px;font-size:15px;font-weight:700;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);text-decoration:none;transition:.2s}
.art-subnav__tabs a:hover{color:var(--blue);border-color:rgba(0,102,255,.4)}
.art-subnav__tabs a.active{background:var(--grad);color:#fff;border-color:transparent}

.art-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;min-height:200px}
.art-card{display:flex;gap:18px;padding:18px;border-radius:18px;background:#fff;border:1px solid #e2e8f0;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:.25s transform,.25s box-shadow}
.art-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,102,255,.15)}
.art-card .thumb{width:140px;height:100px;flex:none;border-radius:12px;background:var(--grad-soft);overflow:hidden}
.art-card .meta{padding:4px 0}
.art-card .meta .d{font-size:12.5px;color:var(--blue);font-weight:700}
.art-card .meta h3{font-size:17px;color:#1a2332;font-weight:800;margin:6px 0;line-height:1.4}
.art-card .meta p{font-size:13px;color:#5C6B7F}
.art-empty{text-align:center;padding:60px 20px;color:#94a3b8;font-size:18px;grid-column:1/-1}
.pager{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{padding:9px 15px;border-radius:10px;background:var(--glass);border:1px solid var(--glass-border);color:var(--text);font-weight:600;font-size:14px}
.pager a:hover{background:var(--grad);color:#fff}
.pager .active{background:var(--grad);color:#fff}

/* ============ 文章详情 ============ */
.article-wrap{max-width:820px;margin:0 auto}
.article-wrap h1{font-size:clamp(26px,3.4vw,38px);font-weight:850;color:var(--ink);line-height:1.3}
.article-meta{display:flex;gap:18px;color:var(--muted);font-size:13.5px;margin:16px 0 28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-wrap .content{font-size:16px;color:var(--text);line-height:1.95}
.article-wrap .content img{max-width:100%;border-radius:14px;margin:18px 0}
.article-wrap .content h2,.article-wrap .content h3{margin:28px 0 12px;color:var(--ink)}
.article-wrap .content p{margin:14px 0}

/* ============ 产品列表 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{position:relative;overflow:hidden;border-radius:var(--r);background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-sm);transition:.3s transform,.3s box-shadow}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-card .cover{height:190px;background:var(--grad-soft);position:relative;overflow:hidden}
.prod-card .cover .ic{position:absolute;left:24px;bottom:24px;width:56px;height:56px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center}
.prod-card .cover .ic svg{width:30px;height:30px}
.prod-card .body{padding:22px}
.prod-card .body .tag{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.08em}
.prod-card .body h3{font-size:19px;color:var(--ink);font-weight:800;margin:8px 0}
.prod-card .body p{font-size:13.5px;color:var(--muted)}

/* ============ 产品详情 ============ */
.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.prod-detail .gallery{height:380px;border-radius:var(--r);background:var(--grad-soft);border:1px solid var(--line);display:grid;place-items:center}
.prod-detail .gallery .ic{width:110px;height:110px;border-radius:30px}
.prod-detail .gallery .ic svg{width:58px;height:58px}
.prod-detail h1{font-size:clamp(26px,3.4vw,38px);font-weight:850;color:var(--ink)}
.prod-detail .tag{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue);padding:5px 14px;border-radius:999px;background:var(--grad-soft)}
.prod-detail .desc{color:var(--muted);margin-top:18px;font-size:15.5px}
.prod-detail .specs{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.prod-detail .specs .s{padding:16px;border-radius:14px;background:var(--glass);border:1px solid var(--glass-border)}
.prod-detail .specs .s b{display:block;color:var(--blue);font-size:14px}
.prod-detail .specs .s span{font-size:13px;color:var(--muted)}

/* ============ 联系 ============ */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact .info .item{display:flex;gap:16px;padding:18px;border-radius:16px;background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--shadow-sm);margin-bottom:16px}
.contact .info .item .ic{flex:none}
.contact .info .item b{display:block;color:var(--ink);font-size:16px}
.contact .info .item span{color:var(--muted);font-size:14px}
.form{position:relative;padding:34px;border-radius:var(--r);background:var(--glass-strong);backdrop-filter:blur(18px);border:1px solid var(--glass-border);box-shadow:var(--shadow)}
.form h3{font-size:22px;color:var(--ink);font-weight:850;margin-bottom:20px}
.form .field{margin-bottom:16px}
.form label{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:7px}
.form input,.form textarea,.form select{width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.75);font-size:14.5px;color:var(--text);font-family:inherit;transition:.2s border-color,.2s box-shadow}
.form input:focus,.form textarea:focus,.form select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,102,255,.12)}
.form textarea{resize:vertical;min-height:120px}
.form .btn{width:100%;justify-content:center;margin-top:6px}

/* ============ 页脚 —— 深蓝底（保持对比） ============ */
.footer{position:relative;margin-top:0;color:#B8C5DC;padding:70px 0 30px;
  background:linear-gradient(160deg,#0D1B2A 0%,#132038 100%)}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px}
.footer .brand .logo{color:#fff;margin-bottom:16px}
.footer .brand p{font-size:14px;color:#8494AD;max-width:300px}
.footer h5{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.04em}
.footer ul li{margin-bottom:11px}
.footer ul li a{color:#8494AD;font-size:14px;transition:.2s color}
.footer ul li a:hover{color:#fff}
.footer ul li{font-size:14px;color:#8494AD;line-height:1.7}
.footer-contact__label{color:#5E6E87 !important;font-size:12.5px !important;margin-bottom:2px !important;letter-spacing:.04em}
.footer-contact__value{color:#fff !important;font-size:13px !important;font-weight:600;margin-bottom:14px !important;letter-spacing:.02em}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:22px;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#5E6E87}

/* ============ 动画 ============ */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============ 响应式 ============ */
@media (max-width:980px){
  .hero{padding:calc(var(--header-h) + 56px) 0 70px}
  .hero__inner{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero__actions,.hero__stats{justify-content:center}
  .hero__visual{min-height:320px}
  .hero__3d{max-width:420px}
  .hero__glow--b{display:none}
  .deliver{grid-template-columns:1fr;gap:14px}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px}
  .bento--xl{grid-column:span 2;grid-row:span 1}
  .hub{grid-template-columns:repeat(2,1fr)}
  .hub__center{grid-column:span 2;grid-row:auto;width:200px;height:200px;margin:0 auto}
  .hub__center .inner{width:160px;height:160px}
  .news{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .col-page{grid-template-columns:1fr;gap:28px}
  .prod-detail{grid-template-columns:1fr;gap:28px}
  .art-list{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .orbit{min-height:auto;padding:40px 0}
  .orbit__ring{display:none}
  .orbit__node{position:static;width:auto;height:auto;margin:16px auto !important;max-width:340px;display:flex;align-items:center;gap:14px;text-align:left !important}
  .orbit__circle,.orbit__label{position:static !important;transform:none !important}
  .orbit__label{width:auto;text-align:left !important}
  .orbit__center{margin-bottom:24px}
}
@media (max-width:680px){
  .section{padding:64px 0}
#devSection{margin-top:-160px;padding-top:0}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(255,255,255,.97);backdrop-filter:blur(18px);padding:18px 22px;box-shadow:var(--shadow);
    transform:translateY(-120%);transition:.3s;max-height:calc(100vh - var(--header-h));overflow:auto}
  .nav.open{transform:none}
  .nav .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:0;padding:4px 0 4px 14px}
  .nav-toggle{display:flex}
  .header-cta .btn--ghost{display:none}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .sec-sub--oneline{white-space:normal}
  .orbit{min-height:auto;padding:40px 0}
  .orbit__ring{display:none}
  .orbit__node{position:static;margin:14px auto !important;max-width:300px;display:flex;align-items:center;gap:14px;text-align:left !important}
  .orbit__circle,.orbit__label{position:static !important;transform:none !important}
  .orbit__label{width:auto;max-width:none;text-align:left !important}
  .orbit__center{margin-bottom:30px}
  .dev-tabs{grid-template-columns:1fr}
  .dev-tabs__menu{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:14px}
  .dev-tab{white-space:nowrap;flex:none}
  .dev-tab.active{transform:none}
  .dev-panel{grid-template-columns:1fr}
  .dev-panel__head h3{font-size:22px}
  .dev-preview{min-height:auto;margin-top:20px}
  .pill-panel{grid-template-columns:1fr}
  .pill-panel__cover{order:-1}
  .hex{height:auto;padding:20px 0}
  .hex__core{margin:30px 0}
  .hex__node{position:static;margin:14px auto;max-width:300px}
  .hex__lines{display:none}
  .prod-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .contact-main{grid-template-columns:1fr}
  .hero__stats{gap:20px}
  .footer__grid{grid-template-columns:1fr 1fr}
  /* Mega menu 移动端: 改为内嵌展开 */
  .mega{position:static;width:auto;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    box-shadow:none;border:0;background:transparent;backdrop-filter:none;padding:0;margin-top:8px;animation:none}
  .mega__inner{padding:0}
  .mega__head{margin-bottom:10px;padding-bottom:10px}
  .mega__grid{grid-template-columns:1fr;gap:4px}
  .mega__item{padding:10px 12px;gap:10px}
  .mega__item .ico{width:38px;height:38px;font-size:15px}
  .mega__item b{font-size:15px}
}

/* ============ 咨询弹窗 ============ */
.consult-modal{display:none;position:fixed;inset:0;z-index:9999;align-items:center;justify-content:center}
.consult-modal.open{display:flex}
.consult-modal__overlay{
  position:absolute;inset:0;background:rgba(0,20,50,.45);backdrop-filter:blur(6px);
}
.consult-modal__box{
  position:relative;width:540px;max-width:94vw;border-radius:24px;overflow:hidden;
  background:linear-gradient(180deg,#E8F4FF 0%,#F0F7FF 60%,#fff 100%);
  box-shadow:0 40px 80px -20px rgba(0,80,200,.30),0 0 0 1px rgba(0,102,255,.10);
  animation:consultIn .3s ease both;
}
@keyframes consultIn{from{opacity:0;transform:scale(.94) translateY(16px)}to{opacity:1;transform:none}}
.consult-modal__close{
  position:absolute;top:14px;right:18px;width:36px;height:36px;border-radius:50%;
  border:none;background:rgba(255,255,255,.7);font-size:22px;line-height:1;color:#888;
  cursor:pointer;display:grid;place-items:center;transition:.2s;z-index:2;
}
.consult-modal__close:hover{background:#fff;color:var(--ink)}
.consult-modal__head{text-align:center;padding:30px 36px 6px}
.consult-modal__head h3{font-size:22px;font-weight:800;color:var(--ink);margin:0 0 8px}
.consult-modal__head p{font-size:14px;color:var(--muted);margin:0}
.consult-modal__body{padding:6px 36px 30px}
.consult-modal__body{display:flex;align-items:center;gap:28px}
.consult-qrs{display:flex;gap:22px;flex:none}
.consult-qr{text-align:center}
.consult-qr img{
  width:120px;height:120px;border-radius:14px;border:3px solid #fff;
  box-shadow:0 8px 24px -8px rgba(0,80,200,.18);object-fit:cover;margin-bottom:8px;
  background:#f5f5f5;
}
.consult-qr span{font-size:13px;font-weight:600;color:var(--text)}
.consult-phone{
  flex:1;align-self:stretch;display:flex;flex-direction:column;justify-content:center;
  padding:4px 0;
}
.consult-phone__line{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.consult-phone__icon{display:flex;color:var(--blue)}
.consult-phone__icon svg{width:22px;height:22px}
.consult-phone__label{font-size:14px;color:var(--text);font-weight:600}
/* ============ 产品案例展示（横排多卡片） ============ */
.prod-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}
.prod-tab{
  padding:9px 20px;border-radius:999px;border:1px solid var(--glass-border);
  background:var(--glass);font-size:14px;font-weight:600;color:var(--text);
  cursor:pointer;transition:.2s background,.2s border-color,.2s color,.2s box-shadow;
}
.prod-tab:hover{border-color:rgba(0,102,255,.35);color:var(--blue)}
.prod-tab.active{
  background:var(--grad);color:#fff;border:0;
  box-shadow:0 12px 24px -10px rgba(0,102,255,.55);
}

.prod-showcase{
  display:flex;align-items:center;gap:12px;position:relative;
}
.prod-viewport{
  flex:1;overflow:hidden;padding:4px 0;
}
.prod-panel{display:none}
.prod-panel.active{display:block}
.prod-track{
  display:flex;gap:18px;transition:transform .45s ease;
  /* 横向滚动 */
}
.prod-card{
  position:relative;min-width:200px;flex:0 0 auto;border-radius:16px;overflow:hidden;
  background:rgba(0,0,0,.04);border:0;
  box-shadow:0 6px 20px -8px rgba(0,80,200,.12);
  transition:.22s transform,.22s box-shadow;
}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px -10px rgba(0,80,200,.18)}
.prod-card__img{
  width:100%;height:300px;background:#f5f7fa;overflow:hidden;
}
.prod-card__img img{
  width:100%;height:300px;object-fit:cover;object-position:center;display:block;
}
.prod-card__title{
  position:absolute;left:0;right:0;bottom:0;
  text-align:center;padding:6px 10px;font-size:12px;
  font-weight:600;color:#fff;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
  background:rgba(0,0,0,.55);backdrop-filter:blur(3px);
}

.prod-arrow{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--glass-border);
  background:var(--glass);color:var(--text);font-size:17px;cursor:pointer;
  display:grid;place-items:center;flex:none;transition:.2s all;z-index:3;
  flex-shrink:0;
}
.prod-arrow:hover{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(0,102,255,.45)}

@media(max-width:700px){
  .prod-showcase{gap:6px}
  .prod-arrow{width:34px;height:34px;font-size:14px}
  .prod-track{gap:12px}
  .prod-card{min-width:150px}
  .prod-tabs{gap:6px}
  .prod-tab{padding:7px 14px;font-size:13px}
}

/* ============ 图片大图灯箱 ============ */
.img-lightbox{display:none;position:fixed;inset:0;z-index:10000;align-items:center;justify-content:center}
.img-lightbox.open{display:flex}
.img-lightbox__overlay{position:absolute;inset:0;background:rgba(0,12,30,.85);backdrop-filter:blur(4px)}
.img-lightbox__stage{position:relative;max-width:92vw;max-height:92vh;overflow:hidden;cursor:grab}
.img-lightbox__stage:active{cursor:grabbing}
.img-lightbox__img{
  display:block;max-width:92vw;max-height:92vh;width:auto;height:auto;
  transform-origin:center center;user-select:none;-webkit-user-drag:none;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.6);
}
.img-lightbox__close{
  position:absolute;top:-44px;right:0;width:36px;height:36px;border-radius:50%;
  border:none;background:rgba(255,255,255,.15);font-size:22px;color:#fff;cursor:pointer;
  display:grid;place-items:center;transition:.2s;
}
.img-lightbox__close:hover{background:rgba(255,255,255,.3)}
.img-lightbox__hint{
  position:absolute;bottom:-34px;left:50%;transform:translateX(-50%);
  font-size:12px;color:rgba(255,255,255,.7);white-space:nowrap;
}

/* ============ 侧边悬浮窗 ============ */
.sidebar-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:998;display:flex;align-items:flex-start;opacity:0;visibility:hidden;transition:.3s}
.sidebar-float.visible{opacity:1;visibility:visible}
.sf-bar{display:flex;flex-direction:column;gap:8px}
.sf-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:64px;padding:10px 6px;border-radius:12px 0 0 12px;background:#fff;
  box-shadow:-2px 4px 16px rgba(0,20,60,.12);cursor:pointer;transition:.25s;
  color:#555;font-size:11px;line-height:1.3;text-align:center;border:none;
}
.sf-item:hover{background:#3B82F6;color:#fff;box-shadow:-4px 8px 24px rgba(59,130,246,.28)}
.sf-item svg{width:22px;height:22px;flex-shrink:0}
/* 客服头像项 */
.sf-item--consult{background:#3B82F6;color:#fff;border-radius:14px 0 0 14px;padding:10px 6px 12px}
.sf-item--consult .sf-avatar{
  width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid rgba(255,255,255,.7);
  margin-bottom:2px;background:#e8f0fe;
}
.sf-item--consult .sf-avatar img{width:100%;height:100%;object-fit:cover}
.sf-item--consult span{font-size:11px;font-weight:600}
/* 弹出面板（仅 hover 咨询客服时显示，由 JS 控制 .open） */
.sf-panel{
  position:absolute;right:72px;top:0;opacity:0;visibility:hidden;transform:translateX(12px) scale(.96);
  transition:.28s cubic-bezier(.2,.9,.2,1);pointer-events:none;
  background:#fff;border-radius:18px;box-shadow:0 12px 48px -8px rgba(0,20,60,.2),0 0 0 1px rgba(0,102,255,.08);
  padding:20px 24px 18px;width:220px;text-align:center;
}
.sf-item--consult:hover .sf-panel,
.sidebar-float.sf-open .sf-panel{opacity:1;visibility:visible;transform:translateX(0) scale(1);pointer-events:auto}
.sf-panel__tag{
  display:inline-block;background:linear-gradient(135deg,#3B82F6,#0066FF);color:#fff;
  font-size:12px;font-weight:700;padding:5px 16px;border-radius:20px;margin-bottom:14px;
}
.sf-panel__qr{margin-bottom:6px}
.sf-panel__qr img{width:140px;height:140px;border-radius:12px;border:3px solid #f0f4ff;object-fit:cover}
.sf-panel__hint{font-size:13px;color:#666;margin-bottom:12px}
.sf-panel__phones{display:flex;flex-direction:column;gap:6px}
.sf-phone{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:#1a1a2e}
.sf-phone svg{width:16px;height:16px;flex-shrink:0}
/* 回到顶部 */
.sf-item--top{border-radius:0 0 0 12px}