/* ============================================================
   赢海物联 · 视觉改版 v2 · 亮色主题设计系统
   ============================================================ */
:root{
  --blue:#2e5dff; --blue-d:#1f47d6; --blue-m:#5b8bff; --blue-l:#eef3ff; --blue-l2:#dfe9ff;
  --cyan:#06b6d4; --violet:#7c5cff; --teal:#0ea5a5;
  --ink:#0d1a30; --ink2:#4a5a75; --ink3:#8494ad; --ink4:#a7b4c8;
  --line:#e7edf7; --line2:#d8e3f4;
  --bg:#ffffff; --bg2:#f7faff; --bg3:#eff5ff;
  --r:20px; --r-m:16px; --r-s:12px;
  --sh-s:0 2px 8px rgba(20,50,120,.05);
  --sh:0 10px 30px -14px rgba(20,50,120,.18);
  --sh-h:0 26px 54px -22px rgba(30,70,180,.30);
  --ease:cubic-bezier(.22,.8,.26,1);
  --wrap:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px;overflow-x:hidden}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);background:#fff;font-size:15.5px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}

.hd-logo img{height:clamp(22px, 2.2vw, 32px);width:auto}
.hd-sep{color:var(--line);font-size:clamp(14px,1.2vw,18px);margin:0 -14px;user-select:none;flex-shrink:0}

img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font:inherit;outline:none}
::selection{background:rgba(46,93,255,.16)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.sec{padding:96px 0;position:relative}
.sec.sm{padding:64px 0}
.sec.tint{background:linear-gradient(180deg,#f7faff 0%,#fdfeff 100%)}
.sec.soft{background:
  radial-gradient(900px 500px at 90% 0%,#eaf1ff 0%,transparent 58%),
  linear-gradient(180deg,#fbfdff,#f5f9ff)}

/* ---------- 标题 ---------- */
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;
  letter-spacing:1.6px;color:var(--blue);text-transform:uppercase;margin-bottom:14px}
.kicker::before{content:"";width:24px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan))}
.sec-h{max-width:860px;margin-bottom:48px;position:relative;z-index:2}
.sec-h.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-h h2{font-size:38px;line-height:1.3;font-weight:800;letter-spacing:-1px;color:var(--ink);
  text-wrap:balance}
.sec-h h2 em{font-style:normal;background:linear-gradient(100deg,var(--blue) 8%,#4b7bff 45%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sec-h p{margin-top:14px;font-size:16px;color:var(--ink2);line-height:1.8}
.sec-h.center p{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 28px;
  border-radius:13px;font-size:15px;font-weight:700;letter-spacing:.2px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;white-space:nowrap}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-p{background:linear-gradient(135deg,#3a68ff 0%,var(--blue) 55%,#2447d8 100%);color:#fff;
  box-shadow:0 12px 26px -10px rgba(46,93,255,.65),inset 0 1px 0 rgba(255,255,255,.28)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 20px 38px -12px rgba(46,93,255,.72)}
.btn-p::after{content:"";position:absolute;inset:0;transform:translateX(-120%);
  background:linear-gradient(115deg,transparent 25%,rgba(255,255,255,.42) 48%,transparent 68%);
  transition:transform .75s var(--ease)}
.btn-p:hover::after{transform:translateX(120%)}
.btn-w{background:#fff;color:var(--blue);border:1.5px solid var(--line2);box-shadow:var(--sh-s)}
.btn-w:hover{border-color:var(--blue-m);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(46,93,255,.35)}
.btn-g{background:#fff;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-lite{background:rgba(255,255,255,.9);color:var(--blue);box-shadow:0 8px 22px -8px rgba(10,30,90,.28)}
.btn-lite:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(10,30,90,.35)}
.btn-s{height:42px;padding:0 20px;font-size:14px;border-radius:11px}

/* ================= NAV ================= */
.nav{position:fixed;top:0;left:0;right:0;z-index:999;height:74px;display:flex;align-items:center;
  background:rgba(255,255,255,.72);backdrop-filter:blur(20px) saturate(1.6);
  border-bottom:1px solid rgba(20,50,120,.07);transition:background .35s,box-shadow .35s}
.nav.solid{background:rgba(255,255,255,.95);box-shadow:0 8px 28px -18px rgba(20,50,120,.35)}
.nav-in{width:100%;max-width:1400px;margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo .mk{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,#3a68ff,#2447d8);box-shadow:0 8px 18px -8px rgba(46,93,255,.8)}
.logo .mk svg{width:21px;height:21px}
.logo b{font-size:17.5px;font-weight:800;color:var(--ink);letter-spacing:.3px;line-height:1.15;display:block}
.logo i{display:block;font-size:9.5px;font-style:normal;color:var(--ink4);letter-spacing:2.6px;font-weight:700}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink2);transition:.25s}
.nav-links a:hover{color:var(--blue);background:var(--blue-l)}
.nav-links a.on{color:var(--blue);background:var(--blue-l);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-tel{display:flex;align-items:center;gap:10px}
.nav-tel .ic{width:36px;height:36px;border-radius:11px;background:var(--blue-l);display:grid;place-items:center}
.nav-tel .ic svg{width:16px;height:16px;stroke:var(--blue)}
.nav-tel b{font-size:16.5px;font-weight:800;letter-spacing:.2px;display:block;line-height:1.15;color:var(--ink)}
.nav-tel s{text-decoration:none;font-size:10.5px;color:var(--ink4);display:block}
.nav-call{display:none;place-items:center;flex-shrink:0}
.nav-call svg{width:18px;height:18px;stroke:var(--blue)}
.burger{display:none;width:42px;height:42px;border-radius:11px;background:var(--blue-l);place-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--blue);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--blue);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ================= HERO ================= */
.hero{position:relative;overflow:hidden;padding:126px 0 84px}
.hero .wrap{position:relative;z-index:4;width:100%}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center}

/* 首页首屏：浅蓝渐变 + 设备星座 */
.hero-home{background:
  radial-gradient(1100px 620px at 84% -12%,#dbe7ff 0%,rgba(219,231,255,0) 62%),
  radial-gradient(820px 520px at 6% 4%,#e8f0ff 0%,rgba(232,240,255,0) 58%),
  linear-gradient(180deg,#f3f7ff 0%,#f9fcff 58%,#ffffff 100%)}
/* 物联网卡页首屏：白底 + 右侧信号雷达（刻意做出差异） */
.hero-iot{background:
  radial-gradient(760px 760px at 88% 42%,#e3ecff 0%,rgba(227,236,255,0) 62%),
  linear-gradient(115deg,#ffffff 0%,#f7faff 46%,#eef4ff 100%)}
.hero-iot::after{content:"";position:absolute;right:-140px;top:50%;transform:translateY(-50%);
  width:820px;height:820px;border-radius:50%;z-index:1;pointer-events:none;
  background:repeating-radial-gradient(circle,rgba(46,93,255,.10) 0 1px,transparent 1px 34px);
  -webkit-mask-image:radial-gradient(circle,#000 18%,transparent 66%);
  mask-image:radial-gradient(circle,#000 18%,transparent 66%);
  animation:radar 26s linear infinite}
@keyframes radar{to{transform:translateY(-50%) rotate(360deg)}}
.hero-iot::before{content:"";position:absolute;left:-160px;bottom:-220px;width:620px;height:620px;border-radius:50%;
  z-index:0;background:radial-gradient(circle,rgba(6,182,212,.14),transparent 66%);filter:blur(20px)}

/* 设备星座墙（首页背景） */
.wall{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden;
  -webkit-mask-image:radial-gradient(120% 105% at 50% 44%,#000 58%,transparent 90%);
  mask-image:radial-gradient(120% 105% at 50% 44%,#000 58%,transparent 90%)}
.wall i{position:absolute;display:block;color:#2e5dff;opacity:.16}
.wall i svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;
  stroke-linecap:round;stroke-linejoin:round}
.wall i:nth-child(3n){color:#06b6d4}
.wall i:nth-child(4n){color:#7c5cff}
.wall i:nth-child(5n){opacity:.11}
.wall i{animation:wallFloat 16s ease-in-out infinite}
@keyframes wallFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-14px) rotate(4deg)}}

/* 首屏文字 */
.hero-badge{display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 15px;border-radius:99px;
  background:rgba(255,255,255,.86);border:1px solid #dbe6ff;font-size:13px;font-weight:600;color:#3b5480;
  letter-spacing:.2px;margin-bottom:24px;box-shadow:0 6px 18px -10px rgba(30,70,180,.4)}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--blue);
  box-shadow:0 0 0 0 rgba(46,93,255,.6);animation:pulseDot 2s infinite}
.hero-badge .tag{color:var(--blue);font-weight:800}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(46,93,255,.55)}70%{box-shadow:0 0 0 9px rgba(46,93,255,0)}100%{box-shadow:0 0 0 0 rgba(46,93,255,0)}}
.hero h1{font-size:clamp(40px,4.2vw,62px);line-height:1.16;font-weight:800;letter-spacing:-1.8px;color:var(--ink)}
.hero h1 .grad{background:linear-gradient(100deg,#2e5dff 0%,#4b7bff 40%,#06b6d4 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% auto;animation:shine 7s linear infinite}
@keyframes shine{to{background-position:200% center}}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--ink2);max-width:530px}
.hero-cta{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:18px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink3)}
.hero-note svg{width:15px;height:15px;stroke:#0ea36b}
.hero-stats{margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.72);border:1px solid #e4ecfa;border-radius:18px;padding:20px 6px;
  box-shadow:0 14px 34px -22px rgba(20,50,120,.35);backdrop-filter:blur(8px)}
.hero-stats>div{padding:0 14px;border-right:1px solid #e9eff9;text-align:center}
.hero-stats>div:last-child{border-right:none}
.hero-stats b{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-1px;line-height:1.15;
  font-variant-numeric:tabular-nums;display:block;min-height:38px}
.hero-stats b i{font-style:normal;font-size:15px;font-weight:700;color:var(--blue);margin-left:2px}
.hero-stats b.wide{font-size:22px;letter-spacing:-.8px;white-space:nowrap;padding-top:6px}
.hero-stats span{font-size:12.5px;color:var(--ink3);display:block}

/* ---------- 首屏：设备环绕 ---------- */
.orbit{position:relative;height:560px;z-index:3}
.orbit .ring{position:absolute;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%);
  border:1px dashed rgba(46,93,255,.18)}
.orbit .ring.r1{width:300px;height:300px;border-color:rgba(46,93,255,.24)}
.orbit .ring.r2{width:430px;height:430px;border-style:solid;border-color:rgba(46,93,255,.11)}
.orbit .ring.r3{width:560px;height:560px;border-color:rgba(46,93,255,.16)}
.orbit .ring.pulse{animation:ringPulse 5s ease-out infinite;border-style:solid;border-color:rgba(46,93,255,.35)}
@keyframes ringPulse{0%{transform:translate(-50%,-50%) scale(.5);opacity:0}20%{opacity:.8}100%{transform:translate(-50%,-50%) scale(1.9);opacity:0}}
.orbit-glow{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(46,93,255,.20),rgba(6,182,212,.07) 45%,transparent 70%);
  filter:blur(26px);z-index:0}

.sim-big{position:absolute;left:50%;top:50%;width:150px;height:190px;z-index:5;
  transform:translate(-50%,-50%) rotate(-6deg);transform-style:preserve-3d;
  animation:simFloat 7s ease-in-out infinite}
@keyframes simFloat{0%,100%{transform:translate(-50%,-50%) rotate(-6deg) translateY(0)}
  50%{transform:translate(-50%,-50%) rotate(-3deg) translateY(-12px)}}
.sim-face{width:100%;height:100%;border-radius:17px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,#5b8bff 0%,#2e5dff 42%,#1b3aa8 100%);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:0 30px 50px -20px rgba(20,50,150,.55),inset 0 1px 0 rgba(255,255,255,.6)}
.sim-face::before{content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,transparent 32%,rgba(255,255,255,.55) 47%,transparent 62%);
  transform:translateX(-130%);animation:simShine 5.5s ease-in-out infinite}
@keyframes simShine{0%,58%{transform:translateX(-130%)}100%{transform:translateX(130%)}}
.sim-face::after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-64px;bottom:-64px;
  background:radial-gradient(circle,rgba(6,182,212,.55),transparent 70%)}
.sim-cut{position:absolute;top:0;right:0;width:42px;height:42px;background:#f4f8ff;
  clip-path:polygon(100% 0,100% 100%,0 0)}
.sim-chip{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:58px;border-radius:8px;
  background:linear-gradient(135deg,#ffe08a,#e8b62f);box-shadow:inset 0 0 0 1px rgba(140,95,0,.35);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;padding:6px}
.sim-chip i{background:rgba(150,105,10,.36);border-radius:2px}
.sim-lb{position:absolute;left:0;right:0;bottom:12px;text-align:center;font-size:10.5px;font-weight:800;
  color:rgba(255,255,255,.9);letter-spacing:1.4px}
.sim-bars{position:absolute;left:14px;top:13px;display:flex;gap:2.5px;align-items:flex-end;height:13px}
.sim-bars i{width:3px;background:#9df3ff;border-radius:1px;animation:barJump 1.6s ease-in-out infinite}
.sim-bars i:nth-child(1){height:4px}.sim-bars i:nth-child(2){height:7px;animation-delay:.15s}
.sim-bars i:nth-child(3){height:10px;animation-delay:.3s}.sim-bars i:nth-child(4){height:13px;animation-delay:.45s}
@keyframes barJump{0%,100%{opacity:.45}50%{opacity:1}}

/* 环绕设备 chip */
.od{position:absolute;transform:translate(-50%,-50%);z-index:4;
  display:flex;align-items:center;gap:8px;height:38px;padding:0 13px 0 9px;border-radius:11px;
  background:rgba(255,255,255,.94);border:1px solid #e2ebfa;
  box-shadow:0 10px 24px -14px rgba(20,50,120,.45);
  animation:odFloat 6.5s ease-in-out infinite;white-space:nowrap;
  transition:box-shadow .3s,transform .3s}
.od svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.od b{font-size:12px;font-weight:700;color:#2c3f5c}
.od u{text-decoration:none;font-size:10px;color:#9aabc4;font-variant-numeric:tabular-nums}
.od span{display:flex;flex-direction:column;line-height:1.25}
@keyframes odFloat{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-9px)}}
.od.big{height:44px;padding:0 15px 0 11px;background:#fff;border-color:#d5e2fb;box-shadow:0 14px 30px -16px rgba(20,50,120,.5)}
.od.big svg{width:22px;height:22px}
.od.big b{font-size:12.5px}

/* ================= 通用组件 ================= */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;
  position:relative;overflow:hidden;
  box-shadow:0 1px 2px rgba(20,50,120,.03);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-h);border-color:#cfdcff}
.card .glow{position:absolute;width:180px;height:180px;border-radius:50%;right:-70px;top:-70px;
  background:radial-gradient(circle,rgba(46,93,255,.14),transparent 68%);opacity:0;transition:.5s;pointer-events:none}
.card:hover .glow{opacity:1}

.ic{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;margin-bottom:17px;
  background:linear-gradient(150deg,#f2f6ff,#e2ecff);border:1px solid #dbe7fd;position:relative;
  transition:transform .45s var(--ease),background .45s,border-color .45s}
.ic svg{width:23px;height:23px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card:hover .ic{transform:translateY(-3px) scale(1.06);background:linear-gradient(150deg,#3a68ff,#2447d8);border-color:transparent}
.card:hover .ic svg{stroke:#fff}
.card h3{font-size:16.5px;font-weight:800;letter-spacing:-.2px;margin-bottom:8px}
.card p{font-size:13.6px;line-height:1.75;color:var(--ink2);text-wrap:pretty}
.card p b{color:var(--blue);font-weight:800}

/* ---------- 立体卡片（为什么选择） ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:26px;overflow:hidden;transform-style:preserve-3d;
  transition:transform .55s var(--ease),box-shadow .55s var(--ease),border-color .5s}
.bcard::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease)}
.bcard:hover{transform:translateY(-8px) rotateX(2deg);box-shadow:0 32px 60px -26px rgba(30,70,180,.42);border-color:#cfdcff}
.bcard:hover::after{transform:scaleX(1)}
.bcard .num{position:absolute;right:20px;top:16px;font-size:34px;font-weight:800;letter-spacing:-2px;
  color:#eef3fd;line-height:1;transition:.5s}
.bcard:hover .num{color:#e3ecfe}
.bcard .ic{margin-bottom:16px}
.bcard h3{font-size:16px;font-weight:800;margin-bottom:8px}
.bcard p{font-size:13.4px;color:var(--ink2);line-height:1.75;text-wrap:pretty}

/* ---------- 4S 服务体系（立体层次图） ---------- */
.s4{position:relative;margin-top:22px;border-radius:24px;padding:38px 34px 34px;
  background:linear-gradient(150deg,#f6f9ff 0%,#eef4ff 55%,#e8f0ff 100%);
  border:1px solid #dde8fb;overflow:hidden;perspective:1200px}
.s4::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(46,93,255,.16) 1px,transparent 1px);background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 70%);
  mask-image:linear-gradient(180deg,transparent,#000 70%);opacity:.5}
.s4-head{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap}
.s4-head h3{font-size:22px;font-weight:800;letter-spacing:-.4px}
.s4-head h3 em{font-style:normal;color:var(--blue)}
.s4-head p{font-size:13.5px;color:var(--ink2)}
.s4-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  transform:rotateX(7deg);transform-style:preserve-3d}
.s4-col{background:rgba(255,255,255,.86);border:1px solid #dfe9fb;border-radius:16px;padding:18px 16px;
  box-shadow:0 18px 34px -22px rgba(30,70,180,.42),0 2px 0 #fff inset;
  transition:transform .45s var(--ease),box-shadow .45s}
.s4-col:hover{transform:translateY(-8px) translateZ(24px);box-shadow:0 30px 50px -24px rgba(30,70,180,.55)}
.s4-col .st{display:flex;align-items:center;gap:9px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed #e2ebfa}
.s4-col .st i{width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:block}
.s4-col .st b{font-size:14px;font-weight:800;color:var(--ink)}
.s4-col .st s{text-decoration:none;font-size:10.5px;color:var(--ink4);margin-left:auto;font-weight:700}
.s4-col li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#43536e;padding:6px 0}
.s4-col li svg{width:13px;height:13px;stroke:var(--blue);fill:none;stroke-width:2.4;flex-shrink:0}

/* ---------- 产品栅格 ---------- */
.prod{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.pcard{position:relative;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;display:block}
.pcard:hover{transform:translateY(-9px);box-shadow:var(--sh-h);border-color:#cfdcff}
.pvis{height:128px;position:relative;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(130% 120% at 50% 0%,#eaf1ff 0%,#f9fbff 72%)}
.pvis::after{content:"";position:absolute;inset:0;opacity:.65;
  background-image:radial-gradient(rgba(46,93,255,.16) 1px,transparent 1px);background-size:16px 16px;
  -webkit-mask-image:radial-gradient(circle at 50% 42%,#000,transparent 74%);
  mask-image:radial-gradient(circle at 50% 42%,#000,transparent 74%)}
.pvis svg{width:84px;height:84px;position:relative;z-index:1;transition:transform .55s var(--ease)}
.pcard:hover .pvis svg{transform:scale(1.09) translateY(-4px)}
.pbody{padding:18px 18px 20px}
.pbody h3{font-size:15px;font-weight:800;margin-bottom:7px}
.pbody p{font-size:12.6px;color:var(--ink2);line-height:1.7;text-wrap:pretty}
.ptags{display:flex;flex-wrap:wrap;gap:5px;margin-top:11px}
.ptags span{font-size:10.5px;font-weight:700;color:var(--blue);background:var(--blue-l);
  padding:2px 7px;border-radius:5px;white-space:nowrap}
.parrow{margin-top:13px;font-size:12px;font-weight:800;color:var(--blue);display:inline-flex;align-items:center;gap:5px}
.parrow i{font-style:normal;transition:transform .35s var(--ease)}
.pcard:hover .parrow i{transform:translateX(5px)}

/* ---------- 卡类型 + 优势 ---------- */
.typewrap{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.type-left{position:relative;background:linear-gradient(155deg,#f4f8ff,#e9f1ff);border:1px solid #dde8fb;
  border-radius:24px;padding:30px;overflow:hidden}
.type-left::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;left:50%;top:52%;
  transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(46,93,255,.16),transparent 66%);
  filter:blur(24px)}
.type-stage{position:relative;height:250px;display:grid;place-items:center;z-index:1}
.type-stage .sim-face{width:124px;height:158px;transition:.3s}
.type-stage .sim-wrap{position:relative;z-index:2;animation:simFloat 7s ease-in-out infinite}
.tname{position:relative;z-index:2;text-align:center;margin-top:6px}
.tname h3{font-size:19px;font-weight:800;letter-spacing:-.3px}
.tname p{font-size:13px;color:var(--ink2);margin-top:6px;line-height:1.7;min-height:44px}
.tname .fit{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:12px;
  font-weight:700;color:var(--blue);background:#fff;border:1px solid #dbe7fd;padding:5px 11px;border-radius:99px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;position:relative;z-index:2;justify-content:center}
.tabs button{height:34px;padding:0 14px;border-radius:99px;font-size:12.5px;font-weight:700;
  color:var(--ink2);background:#fff;border:1px solid #dfe8f8;transition:.3s var(--ease)}
.tabs button:hover{border-color:var(--blue-m);color:var(--blue)}
.tabs button.on{background:linear-gradient(135deg,#3a68ff,#2447d8);color:#fff;border-color:transparent;
  box-shadow:0 8px 18px -8px rgba(46,93,255,.7)}
.adv{display:grid;gap:12px}
.adv-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;transition:.45s var(--ease)}
.adv-item:hover{border-color:#cfdcff;box-shadow:0 18px 34px -22px rgba(30,70,180,.4);transform:translateX(4px)}
.adv-item .aic{width:38px;height:38px;border-radius:11px;background:var(--blue-l);display:grid;place-items:center;flex-shrink:0}
.adv-item .aic svg{width:18px;height:18px;stroke:var(--blue);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.adv-item b{font-size:14.5px;font-weight:800;display:block;margin-bottom:3px}
.adv-item p{font-size:12.8px;color:var(--ink2);line-height:1.65}
.adv-item p em{font-style:normal;color:var(--blue);font-weight:800}

/* ---------- 平台大屏 ---------- */
.plat{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.plat-l h2{font-size:34px;font-weight:800;letter-spacing:-.8px;line-height:1.32}
.plat-l h2 em{font-style:normal;background:linear-gradient(100deg,var(--blue),#06b6d4);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.plat-l>p{margin-top:14px;font-size:14.8px;color:var(--ink2);line-height:1.85}
.caps{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cap{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 15px;transition:.4s var(--ease)}
.cap:hover{border-color:#cfdcff;box-shadow:0 16px 30px -20px rgba(30,70,180,.4);transform:translateY(-3px)}
.cap .cn{font-size:10.5px;font-weight:800;color:var(--blue);letter-spacing:1px}
.cap b{display:block;font-size:14px;font-weight:800;margin:3px 0 4px}
.cap p{font-size:11.8px;color:var(--ink3);line-height:1.6}
.techs{margin-top:16px;display:flex;flex-wrap:wrap;gap:7px}
.techs span{font-size:11.5px;font-weight:700;color:#3b5480;background:#fff;border:1px solid #e2ebfa;
  padding:4px 10px;border-radius:7px}

/* 数据大屏 */
.screen{position:relative;border-radius:20px;padding:16px;overflow:hidden;
  background:linear-gradient(160deg,#0a1a38 0%,#0d2348 46%,#0a1c3a 100%);
  border:1px solid rgba(90,140,255,.28);
  box-shadow:0 40px 80px -34px rgba(10,30,90,.55),inset 0 1px 0 rgba(255,255,255,.08)}
.screen::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(90,140,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,255,.07) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%)}
.sc-bar{position:relative;z-index:2;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.sc-bar u{width:8px;height:8px;border-radius:50%;background:#ff5f57;text-decoration:none}
.sc-bar u:nth-child(2){background:#febc2e}.sc-bar u:nth-child(3){background:#28c840}
.sc-bar span{margin-left:8px;font-size:10.5px;color:rgba(180,205,255,.55);letter-spacing:.6px}
.sc-live{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:10.5px;color:#5ce1e6;font-weight:700}
.sc-live i{width:6px;height:6px;border-radius:50%;background:#5ce1e6;box-shadow:0 0 10px #5ce1e6;animation:pulseDot 1.6s infinite}
.sc-kpi{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:11px}
.kpi{background:rgba(255,255,255,.05);border:1px solid rgba(120,165,255,.16);border-radius:11px;padding:11px 12px}
.kpi s{text-decoration:none;font-size:10px;color:rgba(180,205,255,.55);display:block;letter-spacing:.3px}
.kpi b{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.6px;font-variant-numeric:tabular-nums;display:block;margin-top:2px}
.kpi b i{font-style:normal;font-size:10.5px;color:#7fb0ff;margin-left:2px;font-weight:700}
.kpi b em{font-style:normal;font-size:10px;color:#4ade80;margin-left:4px}
.kpi.alert b{color:#ffd166}
.sc-chart{position:relative;z-index:2;background:rgba(255,255,255,.035);border:1px solid rgba(120,165,255,.14);
  border-radius:11px;padding:10px 10px 4px;margin-bottom:10px}
.sc-chart .h{display:flex;justify-content:space-between;font-size:10px;color:rgba(180,205,255,.5);margin-bottom:4px}
.sc-chart .h em{font-style:normal;color:#5ce1e6}
#chart{width:100%;height:106px;display:block}
.sc-bars{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-bottom:10px}
.sb{background:rgba(255,255,255,.045);border:1px solid rgba(120,165,255,.13);border-radius:9px;padding:8px 9px;position:relative;overflow:hidden}
.sb s{text-decoration:none;font-size:9px;color:rgba(180,205,255,.5);display:block}
.sb b{font-size:12px;color:#fff;font-weight:800;font-variant-numeric:tabular-nums}
.sb i.fill{position:absolute;left:0;bottom:0;height:2px;background:linear-gradient(90deg,#2e5dff,#5ce1e6);
  width:0;transition:width 1.2s var(--ease)}
.sc-log{position:relative;z-index:2;height:60px;overflow:hidden;border-radius:9px;
  background:rgba(255,255,255,.03);border:1px solid rgba(120,165,255,.12);padding:6px 10px}
.sc-log div{font-size:10.5px;color:rgba(190,215,255,.62);line-height:1.6;display:flex;gap:7px;
  animation:logIn .45s var(--ease)}
.sc-log div b{color:#5ce1e6;font-weight:700;flex-shrink:0}
.sc-log div u{text-decoration:none;color:#4ade80}
@keyframes logIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- 硬件终端 ---------- */
.hw{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.hwc{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.hwc:hover{transform:translateY(-8px);box-shadow:var(--sh-h)}
.hw-vis{height:230px;position:relative;overflow:hidden;display:grid;place-items:center;
  background:radial-gradient(120% 110% at 50% 8%,#e8f0ff 0%,#f6faff 60%,#fff 100%)}
.hw-vis::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,93,255,.18),transparent 68%);filter:blur(18px);top:50%;left:50%;
  transform:translate(-50%,-50%)}
.hw-rings{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.hw-rings i{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;
  border:1px solid rgba(46,93,255,.2);animation:hwRing 4.2s ease-out infinite}
.hw-rings i:nth-child(1){width:120px;height:120px;animation-delay:0s}
.hw-rings i:nth-child(2){width:120px;height:120px;animation-delay:1.4s}
.hw-rings i:nth-child(3){width:120px;height:120px;animation-delay:2.8s}
@keyframes hwRing{0%{transform:translate(-50%,-50%) scale(.7);opacity:.9}100%{transform:translate(-50%,-50%) scale(1.9);opacity:0}}
.hw-vis svg.dev{width:150px;height:150px;position:relative;z-index:2;filter:drop-shadow(0 22px 30px rgba(20,50,150,.22))}
.hw-float{position:absolute;z-index:3;background:#fff;border:1px solid #e2ebfa;border-radius:10px;
  padding:5px 10px;font-size:11px;font-weight:700;color:#2c3f5c;box-shadow:0 10px 22px -14px rgba(20,50,120,.5);
  animation:odFloat 6s ease-in-out infinite}
.hw-float.one{top:24px;left:26px}
.hw-float.two{top:56px;right:24px;animation-delay:1.2s}
.hw-float.three{bottom:34px;left:38px;animation-delay:2.2s}
.hw-float b{color:var(--blue)}
.hw-b{padding:24px 26px 28px}
.hw-b .k{font-size:11px;font-weight:800;letter-spacing:1.4px;color:var(--blue);text-transform:uppercase}
.hw-b h3{font-size:21px;font-weight:800;letter-spacing:-.4px;margin:6px 0 4px}
.hw-b .sub{font-size:13.4px;color:var(--ink2);line-height:1.7;margin-bottom:16px}
.hw-b ul{display:grid;gap:9px}
.hw-b li{display:flex;gap:10px;font-size:12.8px;color:var(--ink2);line-height:1.65}
.hw-b li b{color:var(--ink);font-weight:800;flex-shrink:0;font-size:12.8px}
.hw-b li .n{width:18px;height:18px;border-radius:6px;background:var(--blue-l);color:var(--blue);
  font-size:10px;font-weight:800;display:grid;place-items:center;flex-shrink:0;margin-top:2px}
.hw-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;
  padding-top:16px;border-top:1px dashed #e8eefb}
.hw-foot .sc-tag{font-size:11.5px;color:var(--ink3)}
.hw-foot .sc-tag b{color:var(--blue);font-weight:700}

/* ---------- 行业方案 ---------- */
.indu{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.icard{position:relative;border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;display:block}
.icard:hover{transform:translateY(-9px);box-shadow:0 30px 56px -26px rgba(30,70,180,.4);border-color:#cfdcff}
.isce{height:118px;position:relative;overflow:hidden;display:grid;place-items:center;
  background:radial-gradient(120% 140% at 50% 0%,var(--c1) 0%,var(--c2) 72%)}
.isce .arc{position:absolute;left:50%;top:100%;transform:translate(-50%,-50%);border-radius:50%;
  border:1px solid rgba(255,255,255,.5);opacity:.7}
.isce .arc:nth-child(1){width:120px;height:120px}
.isce .arc:nth-child(2){width:180px;height:180px;opacity:.4}
.isce .arc:nth-child(3){width:240px;height:240px;opacity:.22}
.icard:hover .isce .arc{animation:arcOut 2.6s ease-out infinite}
.isce .arc:nth-child(2){animation-delay:.2s}
@keyframes arcOut{0%{transform:translate(-50%,-50%) scale(1);opacity:.6}100%{transform:translate(-50%,-50%) scale(1.35);opacity:0}}
.isce svg{width:46px;height:46px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
  position:relative;z-index:2;transition:transform .5s var(--ease);filter:drop-shadow(0 6px 14px rgba(10,40,120,.3))}
.icard:hover .isce svg{transform:scale(1.14) translateY(-4px)}
.isce .idx{position:absolute;left:14px;top:12px;font-size:10.5px;font-weight:800;color:rgba(255,255,255,.8);letter-spacing:1px}
.isce .mt{position:absolute;right:12px;bottom:10px;font-size:10px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.22);backdrop-filter:blur(6px);padding:2px 8px;border-radius:6px}
.ibody{padding:16px 18px 20px}
.ibody h4{font-size:14.5px;font-weight:800;margin-bottom:6px;letter-spacing:-.2px}
.ibody p{font-size:12.2px;color:var(--ink2);line-height:1.65;text-wrap:pretty}
.ibody .more{display:inline-flex;align-items:center;gap:4px;margin-top:11px;font-size:11.5px;
  font-weight:800;color:var(--blue);opacity:0;transform:translateY(4px);transition:.4s var(--ease)}
.icard:hover .ibody .more{opacity:1;transform:none}

/* ---------- 客户案例 ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;position:relative;overflow:hidden;
  transition:.45s var(--ease)}
.case:hover{border-color:#cfdcff;box-shadow:var(--sh-h);transform:translateY(-5px)}
.case .q{font-size:34px;line-height:1;color:#e6eefc;font-weight:800;position:absolute;right:16px;top:10px}
.case h4{font-size:14.5px;font-weight:800;margin-bottom:7px}
.case p{font-size:12.4px;color:var(--ink2);line-height:1.7}
.case .tagline{margin-top:12px;padding-top:11px;border-top:1px dashed #e8eefb;font-size:11px;color:var(--ink3)}
.case .tagline b{color:var(--blue)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:8px}
.flow::before{content:"";position:absolute;top:27px;left:9%;right:9%;height:2px;
  background:repeating-linear-gradient(90deg,#cfdcf5 0 7px,transparent 7px 15px)}
.fstep{text-align:center;position:relative;padding:0 8px}
.fnum{width:54px;height:54px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;position:relative;
  background:#fff;border:2px solid #dbe7fd;font-size:17px;font-weight:800;color:var(--blue);
  box-shadow:0 8px 18px -10px rgba(30,70,180,.35);transition:.45s var(--ease);z-index:2}
.fstep:hover .fnum{background:linear-gradient(135deg,#3a68ff,#2447d8);color:#fff;border-color:transparent;
  box-shadow:0 14px 26px -10px rgba(46,93,255,.6);transform:translateY(-3px)}
.fstep h4{font-size:14.5px;font-weight:800;margin-bottom:6px}
.fstep p{font-size:12.2px;color:var(--ink2);line-height:1.65;max-width:210px;margin:0 auto}

/* ---------- 引流条 / 联系条 ---------- */
.bar{border-radius:20px;padding:26px 32px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  position:relative;overflow:hidden}
.bar.blue{background:linear-gradient(105deg,#2e5dff 0%,#3a68ff 42%,#1f47d6 100%);color:#fff;
  box-shadow:0 24px 48px -26px rgba(46,93,255,.75)}
.bar.blue::before{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%)}
.bar.blue::after{content:"";position:absolute;left:38%;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.4),transparent 68%)}
.bar .bt{position:relative;z-index:2}
.bar h3{font-size:19px;font-weight:800;letter-spacing:-.3px;margin-bottom:5px}
.bar p{font-size:13px;opacity:.85;line-height:1.6}
.bar .ba{position:relative;z-index:2;margin-left:auto;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.bar .tel{font-size:17px;font-weight:800;letter-spacing:.3px;display:flex;align-items:center;gap:8px}
.bar .tel svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round}
.bar.soft{background:linear-gradient(100deg,#f1f6ff,#f8fbff);border:1px solid #dde8fb}
.bar.soft h3{color:var(--ink)}
.bar.soft p{color:var(--ink2);opacity:1}
.bar.soft .tel{color:var(--ink);font-size:16px}
.bar.soft .tel svg{stroke:var(--blue)}

/* ---------- 卡管平台 / 生命周期 ---------- */
.life{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lf{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;position:relative;
  transition:.45s var(--ease);overflow:hidden}
.lf:hover{border-color:#cfdcff;box-shadow:0 20px 38px -24px rgba(30,70,180,.4);transform:translateY(-4px)}
.lf .ln{font-size:11px;font-weight:800;color:var(--blue);letter-spacing:1px;margin-bottom:7px;display:flex;
  align-items:center;gap:8px}
.lf .ln::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,#e3ecfb,transparent)}
.lf h4{font-size:14.5px;font-weight:800;margin-bottom:5px}
.lf p{font-size:12.4px;color:var(--ink2);line-height:1.65}
.lf .pbar{position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));
  transition:width .6s var(--ease)}
.lf:hover .pbar{width:100%}

.pfs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.pf{background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:14px;
  padding:18px 20px;transition:.45s var(--ease)}
.pf:nth-child(2){border-left-color:var(--cyan)}
.pf:nth-child(3){border-left-color:var(--violet)}
.pf:hover{box-shadow:0 20px 38px -24px rgba(30,70,180,.4);transform:translateY(-4px)}
.pf .pft{display:inline-block;font-size:10.5px;font-weight:800;color:var(--blue);background:var(--blue-l);
  padding:2px 8px;border-radius:5px;margin-bottom:8px}
.pf:nth-child(2) .pft{color:#0e8fa8;background:#e4f8fb}
.pf:nth-child(3) .pft{color:#6647e0;background:#f1edff}
.pf h4{font-size:14.5px;font-weight:800;margin-bottom:6px}
.pf p{font-size:12.3px;color:var(--ink2);line-height:1.65}

/* ---------- 说明表 ---------- */
.kv{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.kv .row{display:grid;grid-template-columns:170px 1fr;border-bottom:1px solid var(--line)}
.kv .row:last-child{border-bottom:none}
.kv .k{background:#f8fbff;padding:15px 20px;font-size:13px;font-weight:800;color:var(--ink2)}
.kv .v{padding:15px 20px;font-size:13.2px;color:var(--ink)}
.kv .v b{color:var(--blue)}

/* ---------- 服务保障 ---------- */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.svc .card{padding:22px}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{padding:19px 26px;font-size:14.8px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:12px;
  list-style:none;transition:.3s;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#fafcff;color:var(--blue)}
.faq summary .qi{width:23px;height:23px;border-radius:7px;background:var(--blue-l);display:grid;place-items:center;flex-shrink:0}
.faq summary .qi svg{width:12px;height:12px;stroke:var(--blue);stroke-width:2.2;fill:none}
.faq summary::after{content:"+";margin-left:auto;font-size:19px;font-weight:400;color:var(--ink4);transition:.35s}
.faq details[open] summary::after{content:"−";color:var(--blue)}
.faq details[open] summary{color:var(--blue);background:#fafcff}
.faq .ans{padding:0 26px 20px 61px;font-size:13.4px;color:var(--ink2);line-height:1.85}
.faq .ans b{color:var(--ink)}
.faq .ans .hl{color:var(--blue);font-weight:700}

/* ---------- 转化 ---------- */
.conv{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:center;
  border-radius:26px;padding:48px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#f2f7ff 0%,#eaf1ff 48%,#e2ecff 100%);border:1px solid #dbe7fb}
.conv::before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;right:-160px;top:-200px;
  background:radial-gradient(circle,rgba(46,93,255,.18),transparent 68%)}
.conv::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;left:-120px;bottom:-160px;
  background:radial-gradient(circle,rgba(6,182,212,.14),transparent 68%)}
.conv-l{position:relative;z-index:2}
.conv-l h2{font-size:32px;font-weight:800;letter-spacing:-.8px;line-height:1.32}
.conv-l>p{margin-top:12px;font-size:14.5px;color:var(--ink2);line-height:1.8;max-width:430px}
.conv-tel{margin-top:26px}
.conv-tel a{font-size:27px;font-weight:800;color:var(--ink);letter-spacing:-.5px;display:inline-flex;
  align-items:center;gap:10px;transition:.3s}
.conv-tel a:hover{color:var(--blue)}
.conv-tel a svg{width:23px;height:23px;stroke:var(--blue);fill:none;stroke-width:1.9}
.conv-tel s{text-decoration:none;font-size:12.5px;color:var(--ink3);display:block;margin-top:4px}
.conv-info{margin-top:26px;display:grid;gap:12px}
.conv-info div{font-size:12.6px;color:var(--ink2);display:flex;gap:9px}
.conv-info b{color:var(--ink);font-weight:800;flex-shrink:0;font-size:12.6px}
.form{background:#fff;border-radius:20px;padding:28px;position:relative;z-index:2;
  box-shadow:0 34px 70px -34px rgba(20,50,120,.45);border:1px solid #e6eefb}
.form h3{font-size:18.5px;font-weight:800;margin-bottom:5px}
.form .fs{font-size:12px;color:var(--ink3);margin-bottom:18px}
.fld{margin-bottom:13px}
.fld label{display:block;font-size:12px;font-weight:800;color:var(--ink2);margin-bottom:6px}
.fld input,.fld select{width:100%;height:44px;border:1.5px solid var(--line);border-radius:11px;padding:0 13px;
  font-size:13.5px;color:var(--ink);background:#fbfcfe;transition:.3s}
.fld input:focus,.fld select:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(46,93,255,.1)}
.form .btn{width:100%;margin-top:6px;height:48px}
.form .note{text-align:center;font-size:11px;color:var(--ink4);margin-top:11px}

/* ---------- FOOTER ---------- */
.ft{background:linear-gradient(180deg,#0b1a33,#081327);color:rgba(255,255,255,.6);padding:60px 0 0}
.ft-in{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08)}
.ft .logo b{color:#fff}
.ft .logo i{color:rgba(255,255,255,.4)}
.ft-brand p{font-size:12.8px;line-height:1.9;margin-top:16px;color:rgba(255,255,255,.45);max-width:330px}
.ft-creds{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.ft-creds span{font-size:10.5px;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.14);
  padding:2px 8px;border-radius:5px}
.ft-col h4{font-size:13px;font-weight:800;color:#fff;margin-bottom:15px;letter-spacing:.3px}
.ft-col a{display:block;font-size:12.6px;color:rgba(255,255,255,.55);margin-bottom:10px;transition:.25s}
.ft-col a:hover{color:#8fb0ff;transform:translateX(3px)}
.ft-bot{padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:11.5px;color:rgba(255,255,255,.32)}
.ft-bot a{color:rgba(255,255,255,.42)}
.ft-bot a:hover{color:#8fb0ff}

/* ---------- 页面切换 ---------- */
.switch{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:1000;
  display:flex;align-items:center;gap:4px;padding:5px;border-radius:99px;
  background:rgba(12,26,52,.9);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.16);
  box-shadow:0 18px 40px -14px rgba(0,0,0,.5)}
.switch .sw-lb{font-size:10.5px;color:rgba(255,255,255,.42);padding:0 10px 0 14px;letter-spacing:.5px;white-space:nowrap}
.switch button{height:34px;padding:0 17px;border-radius:99px;font-size:12.5px;font-weight:700;
  color:rgba(255,255,255,.66);transition:.3s var(--ease);white-space:nowrap}
.switch button.on{background:linear-gradient(135deg,#3a68ff,#2447d8);color:#fff;
  box-shadow:0 6px 16px -4px rgba(46,93,255,.8)}
.switch button:not(.on):hover{color:#fff;background:rgba(255,255,255,.08)}

/* ---------- 进场 ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.07s}.rv[data-d="2"]{transition-delay:.14s}
.rv[data-d="3"]{transition-delay:.21s}.rv[data-d="4"]{transition-delay:.28s}
.rv[data-d="5"]{transition-delay:.35s}
.page{display:none}
.page.on{display:block}

/* ================= 响应式 ================= */
@media(max-width:1180px){
  .hero-grid{grid-template-columns:1fr;gap:16px}
  .orbit{height:500px;max-width:560px;margin:0 auto}
  .hero{padding:114px 0 70px}
  .prod{grid-template-columns:repeat(3,1fr)}
  .plat{grid-template-columns:1fr;gap:34px}
  .caps{grid-template-columns:1fr 1fr}
  .typewrap{grid-template-columns:1fr;gap:32px}
  .indu,.svc{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .s4-grid{grid-template-columns:repeat(2,1fr)}
  .conv{grid-template-columns:1fr;gap:32px;padding:36px}
  .cases{grid-template-columns:repeat(2,1fr)}
  .bcard .num{font-size:28px}
}
@media(max-width:900px){
  .nav-links,.nav-tel{display:none}
  .burger{display:grid}
  .sec{padding:64px 0}
  .sec-h h2{font-size:29px}
  .hero h1{font-size:38px;letter-spacing:-1px}
  .hero-sub{font-size:15.5px}
  .g3,.prod{grid-template-columns:repeat(2,1fr)}
  .hw{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .flow::before{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px 0}
  .hero-stats>div{border-right:none}
  .hero-stats>div:nth-child(odd){border-right:1px solid #e9eff9}
  .life,.pfs{grid-template-columns:1fr}
  .kv .row{grid-template-columns:1fr}
  .kv .k{border-bottom:1px dashed #e8eefb}
  .ft-in{grid-template-columns:1fr 1fr;gap:30px}
  .wrap{padding:0 20px}
  .bar{padding:22px}
  .bar .ba{margin-left:0;width:100%;justify-content:space-between}
  .s4{padding:26px 20px}
  .sec-h{margin-bottom:36px}
}
@media(max-width:620px){
  .hero h1{font-size:31px}
  .hero-stats b{font-size:24px;min-height:30px}
  .hero-stats b.wide{font-size:17px}
  .hero-stats span{font-size:11px}
  .sec-h h2{font-size:24px}
  .sec-h p{font-size:14px}
  .prod,.indu,.svc,.bento,.s4-grid,.cases,.flow,.g3{grid-template-columns:1fr}
  .orbit{height:420px;transform:scale(.9);transform-origin:center top;margin-top:-10px}
  .od{height:34px;padding:0 10px 0 7px;gap:6px}
  .od b{font-size:11px}
  .od u{font-size:9px}
  .od.big{height:38px;padding:0 11px 0 9px}
  .sim-big{width:126px;height:160px}
  .conv{padding:24px}
  .form{padding:22px}
  .caps{grid-template-columns:1fr}
  .hero-note{font-size:11.5px}
  .hero-cta .btn{width:100%}
  .ft-in{grid-template-columns:1fr}
  .switch{bottom:14px}
  .switch .sw-lb{display:none}
  .bar h3{font-size:16px}
  .bar .tel{font-size:15px}
  .hw-vis{height:190px}
  .hw-vis svg.dev{width:120px;height:120px}
}

/* ---------- 移动菜单 ---------- */
.mmenu{position:fixed;top:74px;left:0;right:0;z-index:998;background:rgba(255,255,255,.98);
  backdrop-filter:blur(20px);border-bottom:1px solid #e8eefb;
  padding:12px 20px 20px;display:none;flex-direction:column;gap:2px;
  box-shadow:0 20px 40px -24px rgba(20,50,120,.35)}
.mmenu.show{display:flex;animation:mmIn .28s var(--ease)}
@keyframes mmIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.mmenu a{padding:13px 6px;font-size:15px;font-weight:600;color:var(--ink2);border-bottom:1px solid #eef3fb}
.mmenu a:last-child{border-bottom:none;color:var(--blue)}
.mmenu .mtel{margin-top:10px;padding:13px;border-radius:12px;background:var(--blue-l);
  display:flex;align-items:center;gap:10px;color:var(--blue);font-weight:800;font-size:16px}
.mmenu .mtel svg{width:19px;height:19px;flex:0 0 19px;stroke:var(--blue)}

/* ===== v2 补充组件 ===== */

/* ---------- 物联网卡页首屏视觉（与首页刻意不同） ---------- */
.iotvis{position:relative;height:500px;z-index:3}
.iot-card{position:absolute;left:50%;top:47%;transform:translate(-50%,-50%) rotate(-8deg);
  width:206px;height:268px;z-index:4;animation:iotCardFloat 8s ease-in-out infinite}
@keyframes iotCardFloat{0%,100%{transform:translate(-50%,-50%) rotate(-8deg) translateY(0)}
  50%{transform:translate(-50%,-50%) rotate(-6deg) translateY(-14px)}}
.iot-card .sim-face{width:100%;height:100%;border-radius:22px;
  box-shadow:0 40px 70px -26px rgba(20,50,150,.6),inset 0 1px 0 rgba(255,255,255,.65)}
.iot-card .sim-chip{width:96px;height:76px;border-radius:11px;gap:4px;padding:8px}
.iot-card .sim-lb{font-size:12px;bottom:16px;letter-spacing:2px}
.iot-card .sim-cut{width:56px;height:56px;background:#f7faff}
.iot-card .sim-bars{left:18px;top:17px;height:16px}
.iot-card .sim-bars i{width:3.6px}

/* 扫描线 */
.iotvis .scan{position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);width:230px;height:290px;
  z-index:6;border-radius:24px;overflow:hidden;pointer-events:none}
.iotvis .scan::after{content:"";position:absolute;left:-10%;right:-10%;height:70px;
  background:linear-gradient(180deg,transparent,rgba(120,235,255,.34),rgba(255,255,255,.6),transparent);
  animation:scanY 3.6s cubic-bezier(.5,0,.5,1) infinite}
@keyframes scanY{0%{top:-80px}55%{top:290px}100%{top:290px}}

/* 档位胶囊 */
.iot-tag{position:absolute;z-index:7;background:#fff;border:1px solid #e2ebfa;border-radius:12px;
  padding:8px 13px;box-shadow:0 14px 30px -18px rgba(20,50,120,.5);animation:odFloat 6.8s ease-in-out infinite}
.iot-tag b{display:block;font-size:13px;font-weight:800;color:var(--ink);letter-spacing:-.2px;line-height:1.2}
.iot-tag s{text-decoration:none;font-size:10.5px;color:var(--ink3)}
.iot-tag.t1{left:2%;top:14%}
.iot-tag.t2{right:0%;top:38%;animation-delay:1.1s}
.iot-tag.t3{left:6%;bottom:18%;animation-delay:2.2s}

/* 信号波 */
.iotvis .wave{position:absolute;left:50%;bottom:2%;transform:translateX(-50%);width:78%;height:60px;z-index:2}
.iotvis .wave path{fill:none;stroke:#79a9ff;stroke-width:2;stroke-linecap:round;
  stroke-dasharray:9 7;animation:wireflow 3.4s linear infinite;opacity:.85}
@keyframes wireflow{to{stroke-dashoffset:-32}}

/* ---------- 快速选型 ---------- */
.pk{border:1.5px solid var(--line);border-radius:20px;padding:26px 26px 24px;background:#fff;position:relative;
  transition:.45s var(--ease);overflow:hidden;cursor:pointer}
.pk:hover{border-color:var(--blue);box-shadow:0 26px 50px -26px rgba(30,70,180,.42);transform:translateY(-6px)}
.pk .pn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
  background:var(--blue-l);color:var(--blue);font-size:12.5px;font-weight:800;margin-bottom:14px}
.pk h3{font-size:19px;font-weight:800;letter-spacing:-.3px;margin-bottom:7px}
.pk .pd{font-size:13px;color:var(--ink2);line-height:1.7}
.pk .pk-k{display:block;margin-top:16px;padding-top:14px;border-top:1px dashed #e8eefb;
  font-size:13px;font-weight:800;color:var(--ink)}
.pk .pk-a{display:block;margin-top:5px;font-size:12.2px;color:var(--ink3);line-height:1.6}
.pk .pk-go{display:inline-flex;align-items:center;gap:5px;margin-top:14px;font-size:12.5px;
  font-weight:800;color:var(--blue)}
.pk .pk-go i{font-style:normal;transition:transform .35s var(--ease)}
.pk:hover .pk-go i{transform:translateX(5px)}

/* ---------- 卡型卡 ---------- */
.tcard{border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;
  transition:.45s var(--ease);position:relative;overflow:hidden}
.tcard:hover{transform:translateY(-7px);box-shadow:0 26px 48px -26px rgba(30,70,180,.4);border-color:#cfdcff}
.tvis{height:104px;border-radius:14px;margin-bottom:14px;display:grid;place-items:center;position:relative;overflow:hidden;
  background:linear-gradient(155deg,#f3f8ff,#eaf1ff)}
.tvis::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(46,93,255,.14) 1px,transparent 1px);background-size:15px 15px;
  -webkit-mask-image:radial-gradient(circle at 50% 45%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 50% 45%,#000,transparent 72%);opacity:.7}
.tvis svg{width:88px;height:88px;position:relative;z-index:1;transition:transform .5s var(--ease)}
.tcard:hover .tvis svg{transform:scale(1.08) rotate(-3deg)}
.tcard h3{font-size:15px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:7px}
.tcard h3 s{text-decoration:none;font-size:10px;font-weight:800;color:#6b81a3;background:#f1f5fc;padding:2px 7px;border-radius:5px}
.tcard p{font-size:12.4px;color:var(--ink2);line-height:1.68;text-wrap:pretty}
.tcard .fit{margin-top:10px;padding-top:10px;border-top:1px dashed #e8eefb;font-size:11.5px;color:var(--ink3)}
.tcard .fit b{color:var(--blue);font-weight:800}

/* 能力边界 */
.bound{display:flex;gap:10px;font-size:12.4px;color:var(--ink2);line-height:1.7}
.bound .bi{width:20px;height:20px;border-radius:6px;background:#fff4e6;display:grid;place-items:center;flex-shrink:0;margin-top:1px}
.bound .bi svg{width:12px;height:12px;stroke:#e08a1e;fill:none;stroke-width:2.2}
.bound b{color:var(--ink);font-weight:800}

/* ---------- 档位表 ---------- */
.tier-scroll{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding-bottom:4px}
.tier{display:grid;grid-template-columns:118px repeat(5,1fr);min-width:820px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.tier>div{padding:15px 13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12.6px}
.tier>div:nth-child(6n){border-right:none}
.tier>div:nth-last-child(-n+6){border-bottom:none}
.tier .th{background:#f6faff;font-weight:800;font-size:12.2px;color:var(--ink)}
.tier .th .lv{display:inline-block;background:#e9f1ff;color:var(--blue);padding:3px 9px;border-radius:6px;font-size:11.5px;font-weight:800}
.tier .rl{background:#fbfdff;font-weight:800;color:var(--ink2);font-size:12.2px;display:flex;align-items:center}
.tier .cell b{display:block;font-size:13px;font-weight:800;color:var(--ink);margin-bottom:3px}
.tier .cell s{text-decoration:none;font-size:11px;color:var(--ink3);line-height:1.55;display:block}
.tier-bar{display:block;height:5px;border-radius:3px;background:#eef3ff;margin-top:9px;overflow:hidden}
.tier-bar i{display:block;height:5px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));
  border-radius:3px;transition:width 1.3s var(--ease)}
.in .tier-bar i{width:var(--w)}

/* ---------- 三种产品线 ---------- */
.linec{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;position:relative;
  transition:.45s var(--ease);overflow:hidden}
.linec:hover{border-color:#cfdcff;box-shadow:0 26px 48px -26px rgba(30,70,180,.4);transform:translateY(-6px)}
.linec .lt{display:inline-block;font-size:10.5px;font-weight:800;color:var(--blue);background:var(--blue-l);
  padding:3px 9px;border-radius:6px;margin-bottom:12px}
.linec h3{font-size:17px;font-weight:800;letter-spacing:-.2px;margin-bottom:8px}
.linec p{font-size:12.8px;color:var(--ink2);line-height:1.72;text-wrap:pretty}
.linec .lk{margin-top:14px;padding-top:12px;border-top:1px dashed #e8eefb;font-size:12px;color:var(--ink3)}
.linec .lk b{color:var(--blue);font-weight:800}

/* ---------- 组池对比 ---------- */
.poolc{border-radius:18px;padding:24px 26px;border:1px solid var(--line);background:#fff;position:relative;overflow:hidden;
  transition:.45s var(--ease)}
.poolc:hover{transform:translateY(-4px);box-shadow:0 22px 42px -26px rgba(30,70,180,.35)}
.poolc.yes{background:linear-gradient(150deg,#f0fdf6,#e8faf1);border-color:#c9eeda}
.poolc.no{background:linear-gradient(150deg,#f8fafc,#f3f6fa)}
.poolc .ph{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.poolc .pi{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex-shrink:0}
.poolc.yes .pi{background:#0ea36b}
.poolc.no .pi{background:#9aa9bd}
.poolc .pi svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.6;stroke-linecap:round}
.poolc h3{font-size:16px;font-weight:800}
.poolc p{font-size:12.8px;color:var(--ink2);line-height:1.75}

/* ---------- 估算三步 ---------- */
.est{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;transition:.45s var(--ease);position:relative}
.est:hover{border-color:#cfdcff;box-shadow:0 20px 38px -24px rgba(30,70,180,.4);transform:translateY(-4px)}
.est .en{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:800;color:var(--blue);margin-bottom:9px}
.est .en i{width:18px;height:18px;border-radius:6px;background:var(--blue-l);display:grid;place-items:center;
  font-style:normal;font-size:10px}
.est h4{font-size:14px;font-weight:800;margin-bottom:6px}
.est p{font-size:12.3px;color:var(--ink2);line-height:1.7}

/* ---------- 生命周期 ---------- */
.life{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lf{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;
  transition:.45s var(--ease);overflow:hidden}
.lf:hover{border-color:#cfdcff;box-shadow:0 22px 40px -26px rgba(30,70,180,.4);transform:translateY(-4px)}
.lf .ln{font-size:11px;font-weight:800;color:var(--blue);letter-spacing:1px;margin-bottom:7px;
  display:flex;align-items:center;gap:9px}
.lf .ln::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,#e3ecfb,transparent)}
.lf h4{font-size:14.5px;font-weight:800;margin-bottom:5px}
.lf p{font-size:12.3px;color:var(--ink2);line-height:1.68}
.lf .pbar{position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .7s var(--ease)}
.lf:hover .pbar{width:100%}

.pfs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pf{background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:14px;
  padding:20px;transition:.45s var(--ease)}
.pf:nth-child(2){border-left-color:var(--cyan)}
.pf:nth-child(3){border-left-color:var(--violet)}
.pf:hover{box-shadow:0 22px 40px -26px rgba(30,70,180,.4);transform:translateY(-4px)}
.pf .pft{display:inline-block;font-size:10.5px;font-weight:800;color:var(--blue);background:var(--blue-l);
  padding:2px 8px;border-radius:5px;margin-bottom:9px}
.pf:nth-child(2) .pft{color:#0e8fa8;background:#e4f8fb}
.pf:nth-child(3) .pft{color:#6647e0;background:#f1edff}
.pf h4{font-size:14.5px;font-weight:800;margin-bottom:6px}
.pf p{font-size:12.3px;color:var(--ink2);line-height:1.68}

/* 档位表窄屏 */
@media(max-width:900px){
  .life,.pfs{grid-template-columns:1fr}
}
@media(max-width:620px){
  .iotvis{height:400px;transform:scale(.9);transform-origin:center top;margin-top:-6px}
  .iot-card{width:170px;height:220px}
  .iot-card .sim-chip{width:78px;height:62px}
  .iotvis .scan{width:190px;height:240px}
  .iot-tag{padding:6px 10px}
  .iot-tag b{font-size:11.5px}
}

/* ================= 为什么选择：左卡片 + 右立体剖面 ================= */
.why-wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center;margin-bottom:26px}
.why-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.why-list .bcard{padding:19px 18px 18px;border-radius:16px}
.why-list .bcard .ic{width:38px;height:38px;border-radius:11px;margin-bottom:11px}
.why-list .bcard .ic svg{width:18px;height:18px}
.why-list .bcard h3{font-size:13.8px;margin-bottom:5px;line-height:1.4}
.why-list .bcard p{font-size:11.9px;line-height:1.65}
.why-list .bcard .num{font-size:22px;right:14px;top:10px;letter-spacing:-1px}

.iso{position:relative;height:470px;display:grid;place-items:center}
.isosvg{width:100%;height:100%;overflow:visible}
.iso-l{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease);
  transition-delay:var(--d,0s)}
.in .iso-l{opacity:1;transform:none}
.iso-ico circle{filter:drop-shadow(0 6px 12px rgba(30,70,180,.18))}
.iso-lb{opacity:0;transform:translateX(-8px);transition:.8s var(--ease);transition-delay:calc(var(--d,0s) + .25s)}
.in .iso-lb{opacity:1;transform:none}

@media(max-width:1180px){
  .why-wrap{grid-template-columns:1fr;gap:22px}
  .iso{height:430px}
}
@media(max-width:620px){
  .why-list{grid-template-columns:1fr}
  .iso{height:330px}
}

/* 漂浮标签改用不含居中位移的动画 */
@keyframes floatOnly{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.hw-float{animation:floatOnly 6s ease-in-out infinite}
.iot-tag{animation:floatOnly 6.8s ease-in-out infinite}

/* 卡类型预览图尺寸 */
#typeStage{display:grid;place-items:center;width:100%}
#typeStage svg{width:238px;height:238px;display:block}

/* 卡片等高：底部元素贴底 */
.pcard{display:flex;flex-direction:column}
.pbody{display:flex;flex-direction:column;flex:1}
.pbody .parrow{margin-top:auto;padding-top:12px}
.tcard{display:flex;flex-direction:column}
.tcard .fit{margin-top:auto}
.case{display:flex;flex-direction:column}
.case .tagline{margin-top:auto}

/* 案例：5 张居中排布 */
.cases{display:flex;flex-wrap:wrap;justify-content:center}
.cases .case{flex:1 1 300px;max-width:372px}

/* 卡型预览：使用不含位移的浮动动画 */
@keyframes floatSim{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-11px) rotate(-1deg)}}
#typeStage{animation:floatSim 7s ease-in-out infinite}
.hw-vis svg.dev{width:172px;height:172px}
.hw-rings i{border-color:rgba(46,93,255,.26)}
#typeStage svg{width:268px;height:268px}
@media(max-width:620px){#typeStage svg{width:210px;height:210px}}

/* 移动端导航收口：隐藏顶部按钮，保留电话+菜单 */
@media(max-width:900px){
  .nav-right > a.btn{display:none}
  .nav-right{gap:10px}
  .nav-call{display:grid;width:42px;height:42px;border-radius:11px;background:var(--blue-l);
    border:1px solid #dbe7fd;place-items:center}
  .nav-call svg{stroke:var(--blue)}
}
/* 移动端环绕：只保留 3 个主设备，避免拥挤 */
@media(max-width:620px){
  .orbit .od{display:none}
  .orbit .od.big{display:flex;height:40px;padding:0 11px 0 9px}
  .orbit .od.big b{font-size:11.5px}
  .orbit .od.big u{font-size:9.5px}
  .orbit{height:360px}
}

/* ============================================================
   v3 · 色彩层次与科技感升级层（叠加在 v2 之上）
   ============================================================ */

:root{
  --ink:#050A18; --ink2:#3E4F6B; --ink3:#7C8CA5;
  --blue:#2E5DFF; --cyan:#00D9FF; --violet:#8B5CF6; --pink:#FF3D8B;
  --orange:#FF8A2B; --green:#00D68F; --teal:#0FD6C0;
  --g-blue:linear-gradient(140deg,#3A68FF,#2E5DFF 45%,#1B3AA8);
  --g-cyan:linear-gradient(140deg,#22E4FF,#00B8E6 50%,#0077B6);
  --g-violet:linear-gradient(140deg,#A78BFA,#8B5CF6 50%,#5B21B6);
  --g-pink:linear-gradient(140deg,#FF7AB6,#FF3D8B 50%,#B3185C);
  --g-orange:linear-gradient(140deg,#FFB067,#FF8A2B 50%,#C25A0A);
  --g-green:linear-gradient(140deg,#4AE3B0,#00D68F 50%,#00875C);
  --g-mix:linear-gradient(120deg,#2E5DFF 0%,#8B5CF6 42%,#FF3D8B 72%,#00D9FF 100%);
}

/* ---------- 版式：更强层级 ---------- */
.sec{padding:104px 0}
.sec-h h2{font-size:42px;letter-spacing:-1.4px;line-height:1.24}
.sec-h p{font-size:16.5px;color:var(--ink2)}
.kicker{height:30px;padding:0 14px;border-radius:99px;font-size:11.5px;letter-spacing:1.4px;
  background:rgba(255,255,255,.9);border:1px solid #DDE7FA;
  box-shadow:0 6px 16px -12px rgba(20,50,120,.5)}
.kicker::before{width:6px;height:6px;border-radius:50%;background:var(--g-mix);content:"";flex:0 0 6px}
.sec-h h2 em{background:var(--g-mix);background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 9s linear infinite}

/* 板块序号水印 */
.sec-h{position:relative}
.sec-h .idx{position:absolute;right:0;top:2px;font-size:13px;font-weight:800;letter-spacing:2px;
  color:#C9D6EC}
@media(max-width:900px){.sec-h .idx{display:none}}

/* ---------- 各板块独立色调（层次感来源） ---------- */
.s-tint-blue{background:
  radial-gradient(900px 520px at 88% -10%,rgba(46,93,255,.10),transparent 62%),
  radial-gradient(700px 420px at 4% 108%,rgba(0,217,255,.08),transparent 60%),
  linear-gradient(180deg,#FFFFFF 0%,#F6F9FF 55%,#FBFDFF 100%)}
.s-tint-violet{background:
  radial-gradient(820px 480px at 8% -8%,rgba(139,92,246,.10),transparent 62%),
  radial-gradient(760px 460px at 96% 104%,rgba(255,61,139,.07),transparent 60%),
  linear-gradient(180deg,#FFFFFF 0%,#FAF8FF 55%,#FDFCFF 100%)}
.s-tint-cyan{background:
  radial-gradient(860px 500px at 92% 0%,rgba(0,217,255,.10),transparent 62%),
  radial-gradient(700px 420px at 2% 100%,rgba(0,214,143,.07),transparent 60%),
  linear-gradient(180deg,#FFFFFF 0%,#F5FDFF 58%,#FCFEFF 100%)}
.s-tint-amber{background:
  radial-gradient(820px 480px at 10% 2%,rgba(255,138,43,.09),transparent 62%),
  radial-gradient(760px 460px at 94% 100%,rgba(139,92,246,.07),transparent 60%),
  linear-gradient(180deg,#FFFFFF 0%,#FFFBF6 58%,#FFFDFB 100%)}

/* ---------- 深色科技段 ---------- */
.theme-dark{position:relative;overflow:hidden;color:#fff;
  background:
   radial-gradient(900px 520px at 12% -6%,rgba(46,93,255,.34),transparent 62%),
   radial-gradient(820px 520px at 92% 8%,rgba(139,92,246,.28),transparent 60%),
   radial-gradient(760px 500px at 50% 112%,rgba(0,217,255,.20),transparent 62%),
   linear-gradient(165deg,#060C1E 0%,#0A1530 46%,#070E22 100%)}
.theme-dark::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(115% 85% at 50% 40%,#000 30%,transparent 80%);
  mask-image:radial-gradient(115% 85% at 50% 40%,#000 30%,transparent 80%)}
.theme-dark::after{content:"";position:absolute;left:50%;top:-140px;width:900px;height:320px;
  transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(ellipse,rgba(90,140,255,.28),transparent 70%);filter:blur(30px)}
.theme-dark .wrap{position:relative;z-index:3}
.theme-dark .sec-h h2{color:#fff}
.theme-dark .sec-h p{color:rgba(214,226,246,.72)}
.theme-dark .kicker{background:rgba(255,255,255,.08);border-color:rgba(140,175,255,.28);color:#A8C2FF}
.theme-dark .sec-h .idx{color:rgba(255,255,255,.16)}
.theme-dark .card,.theme-dark .cap,.theme-dark .lf,.theme-dark .pf{
  background:rgba(255,255,255,.055);border-color:rgba(130,170,255,.18);backdrop-filter:blur(10px)}
.theme-dark .card h3,.theme-dark .cap b,.theme-dark .lf h4,.theme-dark .pf h4,
.theme-dark .linec h3,.theme-dark .est h4{color:#fff}
.theme-dark .card p,.theme-dark .cap p,.theme-dark .lf p,.theme-dark .pf p{color:rgba(206,220,244,.68)}
.theme-dark .card:hover,.theme-dark .lf:hover,.theme-dark .pf:hover{
  background:rgba(255,255,255,.09);border-color:rgba(160,195,255,.38);
  box-shadow:0 30px 60px -30px rgba(0,10,40,.9)}
.theme-dark .techs span{background:rgba(255,255,255,.07);border-color:rgba(130,170,255,.2);color:#C3D6F5}
.theme-dark .cap .cn{color:#7FB6FF}
.theme-dark .lf .ln{color:#7FB6FF}
.theme-dark .lf .ln::after{background:linear-gradient(90deg,rgba(130,170,255,.3),transparent)}
.theme-dark .pf .pft{background:rgba(46,93,255,.24);color:#A8C2FF}
.theme-dark .btn-w{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}

/* 深色段的彩色光斑 */
.glow-orb{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:1}
.orb-b{width:420px;height:420px;background:radial-gradient(circle,rgba(46,93,255,.55),transparent 66%)}
.orb-v{width:380px;height:380px;background:radial-gradient(circle,rgba(139,92,246,.5),transparent 66%)}
.orb-c{width:340px;height:340px;background:radial-gradient(circle,rgba(0,217,255,.42),transparent 66%)}

/* ---------- 卡片：彩色化 ---------- */
.card,.bcard,.pcard,.tcard,.icard,.adv-item,.pk,.linec,.est,.lf,.pf,.case{--ac:#2E5DFF;--ac2:#00D9FF}

.ic{background:var(--ac);border:none;box-shadow:0 10px 22px -12px var(--ac)}
.ic svg{stroke:#fff}
.card:hover .ic,.bcard:hover .ic{transform:translateY(-3px) scale(1.06);background:var(--ac);filter:brightness(1.08)}

.pcard::before,.tcard::before,.icard::before,.bcard::before{content:"";position:absolute;inset:0;border-radius:inherit;
  padding:1px;background:linear-gradient(140deg,var(--ac),transparent 42%,transparent 58%,var(--ac2));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .45s;pointer-events:none}
.pcard:hover::before,.tcard:hover::before,.icard:hover::before,.bcard:hover::before{opacity:1}
.pcard:hover,.tcard:hover,.icard:hover,.bcard:hover{border-color:transparent;
  box-shadow:0 30px 58px -28px rgba(20,50,140,.42)}

/* 产品卡：图区彩色玻璃 */
.pvis{background:radial-gradient(130% 120% at 50% 0%,color-mix(in srgb,var(--ac) 14%,#fff) 0%,#FDFEFF 72%)}
.ptags span{background:color-mix(in srgb,var(--ac) 10%,#fff);color:var(--ac)}
.parrow{color:var(--ac)}

/* 卡型卡：图区彩色 */
.tvis{background:linear-gradient(155deg,color-mix(in srgb,var(--ac) 12%,#fff),color-mix(in srgb,var(--ac2) 9%,#fff))}
.tcard h3 s{background:color-mix(in srgb,var(--ac) 12%,#fff);color:var(--ac)}
.tcard .fit b{color:var(--ac)}

/* 优势条彩色 */
.adv-item{--ac:#2E5DFF}
.adv-item .aic{background:var(--ac);box-shadow:0 8px 18px -10px var(--ac)}
.adv-item .aic svg{stroke:#fff}
.adv-item p em{color:var(--ac)}
.adv-item:hover{border-color:color-mix(in srgb,var(--ac) 35%,#fff)}

/* 行业卡：饱和 + 发光 */
.isce{background:radial-gradient(125% 145% at 50% 0%,var(--c1) 0%,var(--c2) 74%)}
.isce::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.22),transparent 45%,rgba(0,0,0,.12))}
.isce svg{filter:drop-shadow(0 8px 18px rgba(10,30,90,.35))}
.icard:hover{box-shadow:0 34px 64px -28px color-mix(in srgb,var(--c2) 55%,transparent)}

/* 流程：彩色序号 + 发光连线 */
.flow::before{background:repeating-linear-gradient(90deg,rgba(46,93,255,.35) 0 8px,transparent 8px 18px);height:2px}
.fnum{background:#fff;border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--g-mix);
  background-origin:border-box;background-clip:padding-box,border-box;color:var(--blue)}
.fstep:nth-child(1) .fnum{background-image:linear-gradient(#fff,#fff),var(--g-blue);color:var(--blue)}
.fstep:nth-child(2) .fnum{background-image:linear-gradient(#fff,#fff),var(--g-cyan);color:#0090B8}
.fstep:nth-child(3) .fnum{background-image:linear-gradient(#fff,#fff),var(--g-violet);color:var(--violet)}
.fstep:nth-child(4) .fnum{background-image:linear-gradient(#fff,#fff),var(--g-orange);color:#D2660A}
.fstep:nth-child(5) .fnum{background-image:linear-gradient(#fff,#fff),var(--g-green);color:#00996A}
.fstep:hover .fnum{background:var(--g-blue);color:#fff;background-image:var(--g-blue)}

/* ---------- 引流条：彩虹描边 ---------- */
.bar.blue{background:linear-gradient(105deg,#2E5DFF 0%,#5B5BFF 34%,#8B5CF6 66%,#00A6D6 100%);
  box-shadow:0 26px 56px -26px rgba(70,80,255,.66)}
.bar.blue::before{background:radial-gradient(circle,rgba(255,255,255,.3),transparent 66%)}
.bar.soft{background:linear-gradient(100deg,#F6F9FF,#FBF8FF 60%,#F4FDFF);border-color:#E2EAFA}
.bar.soft::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--g-mix);border-radius:3px}

/* ---------- 三层立体：深色霓虹版 ---------- */
.iso-panel{position:relative;border-radius:26px;padding:10px;overflow:hidden;
  background:
   radial-gradient(600px 360px at 20% 0%,rgba(46,93,255,.42),transparent 62%),
   radial-gradient(560px 340px at 88% 100%,rgba(139,92,246,.36),transparent 60%),
   linear-gradient(160deg,#070E22,#0B1734 50%,#070D1F);
  border:1px solid rgba(120,165,255,.24);
  box-shadow:0 40px 80px -40px rgba(10,25,70,.6),inset 0 1px 0 rgba(255,255,255,.08)}
.iso-panel::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(120,170,255,.08) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.08) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 72%)}
.iso-panel .iso{position:relative;z-index:2}
.iso-lb rect{fill:rgba(255,255,255,.09);stroke:rgba(140,175,255,.28)}
.iso-lb text{fill:#DCE8FF}
.iso-lb path{stroke:rgba(140,175,255,.4)}
.iso-ico circle{fill:#0D1B38;stroke:rgba(140,175,255,.45)}
.iso-ico g{stroke:#7FD4FF}

/* ---------- 数据大屏：霓虹加强 ---------- */
.screen{background:linear-gradient(160deg,#050B1A 0%,#0A1732 52%,#060D20 100%);
  border:1px solid rgba(110,160,255,.32);
  box-shadow:0 50px 90px -40px rgba(10,25,80,.7),
             0 0 0 1px rgba(255,255,255,.04) inset,
             0 0 60px -18px rgba(46,93,255,.5)}
.screen::before{background-size:30px 30px}
.kpi b span{background:linear-gradient(180deg,#fff,#9CC4FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi.alert b span{background:linear-gradient(180deg,#FFE08A,#FFA53D);-webkit-background-clip:text;background-clip:text;color:transparent}
.sc-live i{box-shadow:0 0 12px #5ce1e6,0 0 24px rgba(92,225,230,.5)}

/* ---------- 首屏：极光 + 彩色设备 ---------- */
.hero-home{background:
  radial-gradient(1200px 680px at 82% -14%,rgba(46,93,255,.20) 0%,transparent 60%),
  radial-gradient(900px 560px at 92% 42%,rgba(139,92,246,.14) 0%,transparent 58%),
  radial-gradient(900px 560px at 4% 6%,rgba(0,217,255,.12) 0%,transparent 58%),
  linear-gradient(180deg,#F2F7FF 0%,#F8FBFF 52%,#FFFFFF 100%)}
.hero-iot{background:
  radial-gradient(900px 620px at 96% 34%,rgba(0,217,255,.16) 0%,transparent 60%),
  radial-gradient(820px 560px at 78% 92%,rgba(139,92,246,.12) 0%,transparent 58%),
  linear-gradient(118deg,#FFFFFF 0%,#F7FBFF 44%,#EDF5FF 100%)}
.wall i{opacity:.2}
.wall i:nth-child(3n){color:var(--cyan)}
.wall i:nth-child(4n){color:var(--violet)}
.wall i:nth-child(6n){color:var(--pink)}

.orbit .ring{border-color:rgba(46,93,255,.26)}
.orbit .ring.r2{border-color:rgba(139,92,246,.20)}
.orbit-glow{background:radial-gradient(circle,rgba(46,93,255,.28),rgba(139,92,246,.12) 44%,transparent 70%);
  filter:blur(34px)}
.od{background:rgba(255,255,255,.96);border-color:#E0E9FA;
  box-shadow:0 12px 26px -16px rgba(20,50,140,.5)}
.od svg{stroke:var(--ac,#2E5DFF)}
.od.big{box-shadow:0 16px 34px -18px rgba(20,50,140,.55)}

.sim-face{background:linear-gradient(150deg,#6E8CFF 0%,#2E5DFF 40%,#141F8F 100%);
  box-shadow:0 36px 60px -24px rgba(30,40,150,.55),inset 0 1px 0 rgba(255,255,255,.7)}
.sim-face::after{background:radial-gradient(circle,rgba(0,217,255,.7),transparent 70%)}

/* 首屏数据：彩色数字 */
.hero-stats{border-color:#E2EAFA;box-shadow:0 20px 44px -28px rgba(20,50,140,.42)}
.hero-stats b{background:linear-gradient(180deg,#0B1730,#2E5DFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats>div:nth-child(2) b{background:linear-gradient(180deg,#0B1730,#0090B8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats>div:nth-child(3) b{background:linear-gradient(180deg,#0B1730,#8B5CF6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats>div:nth-child(4) b{background:linear-gradient(180deg,#0B1730,#00A86B);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats b i{color:var(--ink3)}

/* ---------- 硬件终端：彩色描边大卡 ---------- */
.hwc:nth-child(1){box-shadow:0 30px 60px -34px rgba(46,93,255,.5)}
.hwc:nth-child(2){box-shadow:0 30px 60px -34px rgba(255,61,139,.42)}
.hwc:nth-child(1) .hw-vis{background:radial-gradient(120% 110% at 50% 6%,#E4EDFF 0%,#F7FAFF 58%,#fff 100%)}
.hwc:nth-child(2) .hw-vis{background:radial-gradient(120% 110% at 50% 6%,#FFF0F7 0%,#FDF7FB 58%,#fff 100%)}
.hwc:nth-child(1):hover{box-shadow:0 40px 70px -30px rgba(46,93,255,.45)}
.hwc:nth-child(2):hover{box-shadow:0 40px 70px -30px rgba(255,61,139,.4)}
.hwc:nth-child(2) .hw-b .k{color:var(--pink)}
.hwc:nth-child(2) .hw-b li .n{background:#FFE9F3;color:var(--pink)}
.hwc:nth-child(2) .hw-foot .sc-tag b{color:var(--pink)}

/* ---------- 案例：暗色玻璃卡 ---------- */
.case{background:rgba(255,255,255,.06);border-color:rgba(130,170,255,.18);backdrop-filter:blur(8px)}
.case h4{color:#fff}
.case p{color:rgba(206,220,244,.7)}
.case .tagline{color:rgba(160,185,225,.62);border-color:rgba(130,170,255,.18)}
.case .tagline b,.case .q{color:rgba(140,175,255,.5)}
.case:hover{background:rgba(255,255,255,.1);border-color:rgba(160,195,255,.4);
  box-shadow:0 30px 60px -30px rgba(0,10,40,.9);transform:translateY(-5px)}

/* ---------- FAQ / 表格彩色点缀 ---------- */
.faq summary .qi{background:linear-gradient(140deg,rgba(46,93,255,.14),rgba(139,92,246,.12))}
.faq details[open] summary{background:linear-gradient(90deg,#F4F8FF,#FAF7FF)}
.tier .th{background:linear-gradient(180deg,#F5F9FF,#EEF4FF)}
.tier .th .lv{background:linear-gradient(135deg,#2E5DFF,#5B5BFF);color:#fff;box-shadow:0 6px 14px -8px rgba(46,93,255,.8)}
.tier>div:nth-child(3n+2) .tier-bar i{background:var(--g-cyan)}
.tier>div:nth-child(3n+3) .tier-bar i{background:var(--g-violet)}
.tier>div:nth-child(3n+4) .tier-bar i{background:var(--g-orange)}
.tier>div:nth-child(3n+5) .tier-bar i{background:var(--g-green)}

/* ---------- 转化区：双色渐变 ---------- */
.conv{background:
  radial-gradient(700px 420px at 88% -10%,rgba(139,92,246,.18),transparent 62%),
  radial-gradient(640px 400px at 6% 108%,rgba(0,217,255,.16),transparent 60%),
  linear-gradient(120deg,#F3F7FF 0%,#EEF2FF 44%,#E8F4FF 100%);
  border-color:#DEE7FA}
.conv-l h2 em{color:var(--blue)}
.form{box-shadow:0 40px 80px -40px rgba(20,50,140,.55),0 0 0 1px #EEF3FC}

/* ---------- 标题装饰：光带 ---------- */
.sec-line{position:absolute;top:0;left:50%;transform:translateX(-50%);width:120px;height:3px;
  border-radius:0 0 4px 4px;background:var(--g-mix)}

/* 缩小版间距修正 */
@media(max-width:900px){
  .sec{padding:72px 0}
  .sec-h h2{font-size:29px;letter-spacing:-.8px}
}
@media(max-width:620px){
  .sec-h h2{font-size:25px}
  .iso-panel{border-radius:20px}
}

/* ---------- 收尾打磨 ---------- */
.isce{height:124px}
.isce svg{width:56px;height:56px}
.orbit-glow{width:400px;height:400px;
  background:radial-gradient(circle,rgba(46,93,255,.34),rgba(139,92,246,.16) 42%,rgba(0,217,255,.06) 62%,transparent 72%)}
.orbit::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:300px;height:300px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(0,217,255,.16),transparent 66%);filter:blur(26px);
  animation:glowPulse 6s ease-in-out infinite}
@keyframes glowPulse{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.12)}}
.s4-col .st i{width:9px;height:9px;border-radius:3px}
.s4-col:nth-child(1) .st i{background:var(--g-blue)}
.s4-col:nth-child(2) .st i{background:var(--g-cyan)}
.s4-col:nth-child(3) .st i{background:var(--g-orange)}
.s4-col:nth-child(4) .st i{background:var(--g-violet)}
.pbody h3{font-size:15.5px}

/* ---------- 行业卡：实景配图 ---------- */
.isce{height:156px;background:#F2F7FF;position:relative;overflow:hidden}
.isce img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 46%;
  transition:transform .8s var(--ease);z-index:1}
.icard:hover .isce img{transform:scale(1.07)}
.isce .tint{position:absolute;inset:0;z-index:2;mix-blend-mode:multiply;opacity:.10;
  background:linear-gradient(160deg,var(--c1),var(--c2));pointer-events:none}
.isce::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,14,34,0) 42%,rgba(6,14,34,.5))}
.isce .idx{position:absolute;left:14px;top:11px;z-index:4;font-size:10.5px;font-weight:800;
  color:#fff;letter-spacing:1px;text-shadow:0 1px 6px rgba(0,20,60,.6)}
.isce .mt{position:absolute;right:12px;bottom:10px;z-index:4;font-size:10px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.2);backdrop-filter:blur(8px);padding:3px 9px;border-radius:6px;
  border:1px solid rgba(255,255,255,.3)}
.icard .ibody{padding:15px 18px 19px}
.icard:hover{box-shadow:0 30px 58px -26px rgba(20,50,140,.38)}
@media(max-width:620px){.isce{height:140px}}

/* ================= 子页面：小首屏 ================= */
.phero{position:relative;overflow:hidden;text-align:center;padding:132px 0 66px;
  background:
   radial-gradient(1000px 560px at 82% -12%,rgba(46,93,255,.16) 0%,transparent 60%),
   radial-gradient(820px 500px at 12% 4%,rgba(139,92,246,.12) 0%,transparent 58%),
   radial-gradient(760px 460px at 92% 96%,rgba(0,217,255,.10) 0%,transparent 58%),
   linear-gradient(180deg,#F3F8FF 0%,#F9FBFF 54%,#FFFFFF 100%)}
.phero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(46,93,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(46,93,255,.05) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 76%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 76%)}
.phero .wrap{position:relative;z-index:3}
.phero .crumb{font-size:12.5px;color:var(--ink3);margin-bottom:18px}
.phero .crumb a{color:var(--ink3)}
.phero .crumb a:hover{color:var(--blue)}
.phero .crumb i{font-style:normal;margin:0 8px;color:#C3D0E4}
.phero h1{font-size:clamp(34px,3.8vw,52px);line-height:1.2;font-weight:800;letter-spacing:-1.4px}
.phero h1 em{font-style:normal;background:var(--g-mix);background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 9s linear infinite}
.phero p{max-width:760px;margin:18px auto 0;font-size:16.5px;line-height:1.85;color:var(--ink2)}
.phero .pills{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.phero .pills span{font-size:12.5px;font-weight:700;color:#3B5480;background:#fff;border:1px solid #E0E9FA;
  padding:7px 14px;border-radius:99px;box-shadow:0 8px 18px -14px rgba(20,50,140,.5)}
.phero .pcta{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}

/* 数据条 */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.nums>div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;
  transition:.4s var(--ease)}
.nums>div:hover{transform:translateY(-4px);box-shadow:0 22px 40px -26px rgba(30,70,180,.4);border-color:#CFDCFF}
.nums b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1.15;
  background:linear-gradient(180deg,#0B1730,#2E5DFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.nums b i{font-style:normal;font-size:14px;margin-left:2px}
.nums>div:nth-child(2) b{background:linear-gradient(180deg,#0B1730,#0090B8);-webkit-background-clip:text;background-clip:text;color:transparent}
.nums>div:nth-child(3) b{background:linear-gradient(180deg,#0B1730,#8B5CF6);-webkit-background-clip:text;background-clip:text;color:transparent}
.nums>div:nth-child(4) b{background:linear-gradient(180deg,#0B1730,#00A86B);-webkit-background-clip:text;background-clip:text;color:transparent}
.nums span{font-size:12.5px;color:var(--ink3)}

/* 表格（子页面通用） */
.tbl{width:100%;border-collapse:collapse;font-size:13.4px;background:#fff;
  border:1px solid var(--line);border-radius:16px;overflow:hidden}
.tbl th{background:linear-gradient(180deg,#F6FAFF,#EFF5FF);text-align:left;padding:13px 16px;
  font-weight:800;font-size:12.6px;color:var(--ink);border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink2);line-height:1.65}
.tbl tr:last-child td{border-bottom:none}
.tbl td b{color:var(--ink);font-weight:800}
.tbl-wrap{overflow-x:auto;border-radius:16px}

/* 时间轴 */
.tline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tline::before{content:"";position:absolute;left:0;right:0;top:26px;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--violet),var(--cyan));opacity:.25}
.tl-item{position:relative;padding-top:0}
.tl-item .yr{width:54px;height:54px;border-radius:50%;background:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--blue);border:2px solid #DCE7FB;position:relative;z-index:2;
  box-shadow:0 10px 22px -14px rgba(20,50,140,.5)}
.tl-item:nth-child(2) .yr{color:var(--violet);border-color:#E7E0FD}
.tl-item:nth-child(3) .yr{color:#0090B8;border-color:#D6F3FB;font-size:13px}
.tl-item h4{font-size:15px;font-weight:800;margin:14px 0 6px}
.tl-item p{font-size:12.8px;color:var(--ink2);line-height:1.7}

/* 资质胶囊 */
.creds{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.creds span{font-size:12.8px;font-weight:700;color:#3B5480;background:#fff;border:1px solid #E2EAFA;
  padding:9px 16px;border-radius:12px;transition:.3s}
.creds span:hover{border-color:var(--blue-m);color:var(--blue);transform:translateY(-2px)}

/* 大产品卡（硬件页） */
.bigp{display:grid;grid-template-columns:1fr 1.05fr;gap:0;border:1px solid var(--line);
  border-radius:24px;overflow:hidden;background:#fff;margin-bottom:22px}
.bigp.rev{grid-template-columns:1.05fr 1fr}
.bigp .vis{position:relative;display:grid;place-items:center;padding:40px;
  background:radial-gradient(120% 110% at 50% 6%,#E6EEFF 0%,#F7FAFF 58%,#fff 100%);overflow:hidden}
.bigp.rev .vis{background:radial-gradient(120% 110% at 50% 6%,#FFF0F7 0%,#FDF7FB 58%,#fff 100%)}
.bigp .vis svg.dev{width:200px;height:200px;position:relative;z-index:2}
.bigp .txt{padding:36px 38px}
.bigp .k{font-size:11px;font-weight:800;letter-spacing:1.6px;color:var(--blue);text-transform:uppercase}
.bigp.rev .k{color:var(--pink)}
.bigp h3{font-size:26px;font-weight:800;letter-spacing:-.6px;margin:8px 0 6px}
.bigp .sub{font-size:14px;color:var(--ink2);line-height:1.75;margin-bottom:18px}
.bigp ul{display:grid;gap:10px}
.bigp li{display:flex;gap:11px;font-size:13.2px;color:var(--ink2);line-height:1.65}
.bigp li .n{width:20px;height:20px;border-radius:7px;background:var(--blue-l);color:var(--blue);
  font-size:10.5px;font-weight:800;display:grid;place-items:center;flex-shrink:0;margin-top:2px}
.bigp.rev li .n{background:#FFE9F3;color:var(--pink)}
.bigp li b{color:var(--ink);font-weight:800}

@media(max-width:900px){
  .bigp,.bigp.rev{grid-template-columns:1fr}
  .bigp .vis{padding:30px}
  .bigp .vis svg.dev{width:150px;height:150px}
  .bigp .txt{padding:26px}
  .nums{grid-template-columns:repeat(2,1fr)}
  .tline{grid-template-columns:1fr}
  .tline::before{display:none}
  .phero{padding:110px 0 50px}
}
@media(max-width:620px){
  .phero h1{font-size:28px}
  .phero p{font-size:14.5px}
  .bigp h3{font-size:21px}
  .nums{grid-template-columns:1fr}
}

/* 深色段里的数据条改玻璃卡 */
.theme-dark .nums>div{background:rgba(255,255,255,.06);border-color:rgba(130,170,255,.2);
  backdrop-filter:blur(10px)}
.theme-dark .nums>div:hover{background:rgba(255,255,255,.1);border-color:rgba(160,195,255,.4)}
.theme-dark .nums b{background:linear-gradient(180deg,#FFFFFF,#9CC4FF);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.theme-dark .nums>div:nth-child(2) b{background:linear-gradient(180deg,#FFFFFF,#5CE1E6);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.theme-dark .nums>div:nth-child(3) b{background:linear-gradient(180deg,#FFFFFF,#C4B5FD);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.theme-dark .nums>div:nth-child(4) b{background:linear-gradient(180deg,#FFFFFF,#6FE8BE);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.theme-dark .nums span{color:rgba(206,220,244,.65)}
/* 子页面图标略放大 */
.ic svg{width:24px;height:24px}

/* ============================================================
   右下角浮动操作（留言咨询 + 回到顶部）· 简约风格
   ============================================================ */
.fab-stack{
  position:fixed;right:28px;bottom:32px;z-index:1100;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  pointer-events:none;
}
.fab{
  pointer-events:auto;
  display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  color:var(--ink2);
  box-shadow:0 6px 20px -8px rgba(20,50,120,.25);
  backdrop-filter:blur(8px);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  position:relative;
  opacity:1;transform:translateY(0);
}
.fab.visible{opacity:1;transform:translateY(0)}
.fab:hover{
  background:#fff;color:var(--blue);border-color:var(--blue-m);
  box-shadow:var(--sh-h);
}
.fab svg{width:22px;height:22px;flex-shrink:0}
/* 留言咨询：默认只显示图标；hover 时图标取消、文字居中叠显，按钮大小不变 */
.fab .fab-label{
  display:none;
  margin:0;font-size:13px;font-weight:600;color:inherit;
}
.fab.fab-msg::after{
  content:'';position:absolute;inset:0;border-radius:14px;
}
.fab.fab-msg{width:46px}
/* hover：保持 46px 圆形不变形；图标取消，文字两行居中叠显 */
.fab.fab-msg:hover{
  background:#fff;color:var(--blue);border-color:var(--blue-m);box-shadow:var(--sh-h);
}
.fab.fab-msg:hover > svg{display:none}
.fab.fab-msg:hover .fab-label{
  position:absolute;inset:0;z-index:1;
  display:flex;align-items:center;justify-content:center;
  line-height:1.12;text-align:center;white-space:pre-line;
}
/* 回到顶部：默认隐藏，滚动超过 banner（hero）后由 JS 添加 .visible 渐显 */
.fab-top{opacity:0;transform:translateY(10px);visibility:hidden;transition:opacity .28s var(--ease),transform .28s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.fab-top.visible{opacity:1;transform:translateY(0);visibility:visible}
.fab-top:hover{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:var(--sh-h)}

/* 留言弹窗 */
.msg-modal{
  position:fixed;inset:0;z-index:700;
  display:none;align-items:center;justify-content:center;
  background:rgba(13,26,48,.42);backdrop-filter:blur(3px);
}
.msg-modal.open{display:flex}
.msg-box{
  position:relative;width:min(400px,calc(100vw - 40px));
  background:#fff;border-radius:var(--r-m);
  box-shadow:var(--sh-h);
  padding:28px 26px 24px;
  animation:msgIn .28s var(--ease);
}
@keyframes msgIn{
  from{opacity:0;transform:translateY(16px) scale(.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.msg-box h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:4px}
.msg-sub{font-size:13px;color:var(--ink3);margin-bottom:18px}
.msg-x{
  position:absolute;top:14px;right:14px;
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;color:var(--ink3);
  transition:all .18s var(--ease);
}
.msg-x:hover{background:var(--bg2);color:var(--ink);transform:rotate(90deg)}
/* 弹窗内表单控件，复用站点 .fld 风格但更紧凑 */
.msg-box .fld{margin-bottom:12px}
.msg-box .fld label{
  display:block;font-size:12.5px;font-weight:600;color:var(--ink2);
  margin-bottom:5px;
}
.msg-box .fld input,.msg-box .fld textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line2);
  border-radius:10px;font-size:14px;color:var(--ink);
  background:var(--bg2);transition:border-color .18s,box-shadow .18s;
}
.msg-box .fld input:focus,.msg-box .fld textarea:focus{
  border-color:var(--blue-m);background:#fff;
  box-shadow:0 0 0 3px rgba(46,93,255,.12);
}
.msg-box .fld textarea{resize:vertical;min-height:64px}
.msg-box form .btn{width:100%;justify-content:center;margin-top:4px}
.msg-box .btn-ok{background:linear-gradient(135deg,#0e9f6e,#10b981)!important;color:#fff!important}
/* 移动端 */
@media (max-width:640px){
  .fab-stack{right:16px;bottom:20px;gap:10px}
  .fab{width:44px;height:44px;border-radius:12px}
  .msg-box{padding:22px 20px 20px}
}