/* =========================================================
   Yonker Digital — Quantum Glow Design System
   ========================================================= */
:root{
  /* ── 云白石墨浅色系：白底 + 深石墨文字 + 深电光蓝紫 ── */
  --bg:#F4F7FC;
  --bg-2:#FFFFFF;
  --bg-3:#EDF2F9;

  --s1:rgba(16,30,58,.045);
  --s2:rgba(16,30,58,.07);
  --s3:rgba(16,30,58,.11);

  --line:rgba(16,30,58,.13);
  --line-2:rgba(16,30,58,.20);
  --line-3:rgba(16,30,58,.34);

  --tx:#111D36;
  --tx-2:#3E4D69;
  --tx-3:#65738D;
  --tx-4:#8A96AB;

  --cy:#0C8DA6;
  --bl:#2E63D9;
  --pu:#6F47D6;
  --pk:#D6456F;
  --am:#B26E0F;
  --ok:#0E8F5D;

  --grad:linear-gradient(100deg,#0C8DA6 0%,#2E63D9 48%,#6F47D6 100%);
  --grad-soft:linear-gradient(100deg,rgba(12,141,166,.10),rgba(111,71,214,.10));

  --lf-bg:linear-gradient(180deg,#EAF0F8 0%,#E4EBF5 100%);
  --lf-surface:#FFFFFF;
  --lf-line:rgba(12,20,38,.10);
  --lf-line-2:rgba(12,20,38,.16);
  --lf-tx:#0C1424;
  --lf-tx-2:#4A5A73;
  --lf-tx-3:#6E7E96;

  --r-s:10px; --r:16px; --r-l:22px; --r-xl:28px;
  --sh-glow:0 0 0 1px rgba(46,99,217,.20), 0 18px 44px -18px rgba(46,99,217,.35);
  --max:1240px;
  --nav-h:70px;
  --ease:cubic-bezier(.22,.68,.28,1);
}

/* ── 深色锚点：AI 控制台 / 转化框 / 页脚 / 灯箱 ──
   全站唯一保留深色的组件，局部覆盖回暗色令牌，制造明暗层次 */
.console,.cta-box,.ft,.lb{
  --s1:rgba(255,255,255,.045);--s2:rgba(255,255,255,.075);--s3:rgba(255,255,255,.105);
  --line:rgba(255,255,255,.115);--line-2:rgba(255,255,255,.19);--line-3:rgba(255,255,255,.30);
  --tx:#EDF2FB;--tx-2:#A9B7CE;--tx-3:#7E8DA6;--tx-4:#5D6C85;
  --cy:#2DE2F5;--bl:#5B9CFF;--pu:#B58CFF;--pk:#FF6FA8;--am:#FFB45C;--ok:#34D399;
  --grad:linear-gradient(100deg,#2DE2F5 0%,#5B9CFF 46%,#B58CFF 100%);
  /* 关键：body 的 color 已在根变量下计算完毕，继承不会跟随锚点覆盖的 --tx；
     必须在锚点容器上显式重设 color，内部的 strong/h 标题等继承元素才能拿到浅色 */
  color:#EDF2FB;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
/* 防横向溢出：grid 子元素允许收缩，避免长内容把列轨撑出视口（手机端左右留白根因） */
.hero-grid>*,.cta-box>*,.about-grid>*,.proc-grid>*,.plat-wrap>*,.sup-grid>*,.ins-grid>*,.ft-in>*,
.cards-3>*,.cards-2>*,.note-row>*,.plat-band>*,.hero-stats>*,.about-stat>*,.gal>*,.steps>*{min-width:0}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.24;letter-spacing:-.01em;font-weight:650}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
::selection{background:rgba(46,99,217,.20);color:inherit}
:focus-visible{outline:2px solid rgba(46,99,217,.55);outline-offset:3px;border-radius:6px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:920px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- AMBIENT BG ---------- */
.ambient{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.amb-grid{
  position:absolute;inset:-10% -10% 0;
  background-image:
    linear-gradient(to right,rgba(16,30,58,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,30,58,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 72%);
  opacity:.7;
}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.orb-a{width:760px;height:760px;top:-280px;left:50%;transform:translateX(-58%);
  background:radial-gradient(circle,rgba(23,158,196,.30),transparent 66%);animation:drift 22s var(--ease) infinite alternate}
.orb-b{width:620px;height:620px;top:-120px;right:-160px;
  background:radial-gradient(circle,rgba(126,104,232,.26),transparent 68%);animation:drift 26s var(--ease) infinite alternate-reverse}
.orb-c{width:560px;height:560px;top:38%;left:-220px;
  background:radial-gradient(circle,rgba(64,110,222,.20),transparent 70%);animation:drift 30s var(--ease) infinite alternate}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(40px,36px,0) scale(1.12)}}
.amb-noise{
  position:absolute;inset:0;opacity:.02;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.neural{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.38}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.nav.on{
  background:rgba(248,250,254,.82);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-bottom-color:var(--line);
}
.nav-in{height:var(--nav-h);display:flex;align-items:center;gap:34px}
.nav-prog{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--grad);box-shadow:0 0 12px rgba(46,99,217,.5);transition:width .12s linear}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:44px;height:40px;filter:drop-shadow(0 4px 10px rgba(46,99,217,.22))}
.brand-txt{display:flex;align-items:baseline;gap:11px;line-height:1}
.brand-txt strong{font-size:22px;font-weight:800;letter-spacing:.05em;white-space:nowrap}
.brand-txt em{
  font-style:normal;font-size:10.5px;letter-spacing:.15em;line-height:1;
  color:var(--tx-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  white-space:nowrap;padding-left:11px;transform:translateY(-1px);
  border-left:1.5px solid var(--line-2);
}

.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--tx-2);
  transition:color .25s,background .25s;
}
.nav-links a:hover{color:var(--tx);background:var(--s2)}
.nav-act{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--s1);
  border-radius:10px;cursor:pointer;align-items:center;justify-content:center;
}
.burger svg{width:20px;height:20px}

/* ---------- BUTTONS ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:11px;font-size:14.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .3s,border-color .3s,background .3s;
  white-space:nowrap;
}
.btn .i{width:17px;height:17px;flex:0 0 auto;transition:transform .3s var(--ease)}
.btn:hover .i{transform:translateX(3px)}
.btn-lg{padding:15px 28px;font-size:15.5px;border-radius:14px}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:10px}
.btn-block{width:100%;padding:15px;font-size:15.5px}
.btn-primary{
  background:var(--grad);color:#fff;font-weight:700;
  box-shadow:0 10px 26px -10px rgba(46,99,217,.55),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px rgba(46,99,217,.65),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--tx);box-shadow:0 2px 10px -6px rgba(23,43,77,.18)}
.btn-ghost:hover{background:#F3F7FD;border-color:var(--line-3);transform:translateY(-2px)}
/* 深色锚点内部的主按钮沿用亮渐变 + 深字 */
.console .btn-primary,.cta-box .btn-primary,.ft .btn-primary,.lb .btn-primary{color:#04070D}

/* ---------- SHARED ---------- */
.sec{position:relative;z-index:1;padding:118px 0;scroll-margin-top:calc(var(--nav-h) + 8px)}
main section[id]{scroll-margin-top:calc(var(--nav-h) + 8px)}
.sec-alt::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,transparent,rgba(16,30,58,.032) 12%,rgba(16,30,58,.032) 88%,transparent);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-head{max-width:760px;margin:0 auto 58px;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11.5px;letter-spacing:.2em;color:var(--cy);margin-bottom:18px;
}
.kicker::before,.kicker::after{content:"";width:20px;height:1px;background:linear-gradient(90deg,transparent,var(--cy));}
.kicker::after{background:linear-gradient(270deg,transparent,var(--cy))}
.sec-head h2{font-size:clamp(27px,3.4vw,42px);font-weight:700}
.sec-head h2 .sep{color:var(--tx-4);font-weight:300;margin:0 10px}
.sec-head p{margin-top:20px;color:var(--tx-2);font-size:15.8px}

.gt{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  position:relative;
}
.gt::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:9px;z-index:-1;
  background:linear-gradient(90deg,rgba(12,141,166,.18),rgba(111,71,214,.16));
  filter:blur(6px);
}
.hl{color:var(--tx);font-weight:600;box-shadow:inset 0 -8px 0 rgba(46,99,217,.15)}

.card{
  position:relative;background:linear-gradient(170deg,#FFFFFF 0%,#FAFCFF 100%);
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:30px;overflow:hidden;
  box-shadow:0 1px 2px rgba(23,43,77,.05),0 14px 34px -22px rgba(23,43,77,.20);
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s;
}
.card::before{
  content:"";position:absolute;top:0;left:14%;right:14%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(16,30,58,.16),transparent);
}
.card:hover{transform:translateY(-5px);border-color:rgba(46,99,217,.30);box-shadow:0 26px 50px -24px rgba(23,43,77,.30),0 0 0 1px rgba(46,99,217,.14)}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

.pill{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:99px;
  font-size:12px;font-weight:600;color:var(--cy);
  background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.22);
}
.pill-alt{color:var(--pu);background:rgba(139,92,246,.09);border-color:rgba(139,92,246,.24)}

.dot-live{position:relative;width:7px;height:7px;border-radius:50%;background:var(--cy);flex:0 0 auto}
.dot-live::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--cy);opacity:.5;animation:ping 2s ease-out infinite}
@keyframes ping{0%{transform:scale(.6);opacity:.9}100%{transform:scale(1.7);opacity:0}}

svg.i{width:18px;height:18px;flex:0 0 auto}

.ticks{display:flex;flex-direction:column;gap:11px}
.ticks li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:var(--tx-2);line-height:1.6}
.ticks .i{width:17px;height:17px;color:var(--cy);margin-top:3px}
.ticks b{color:var(--tx);font-weight:650;margin-right:2px}
.ticks-sm li{font-size:14.2px}
.ticks-lg{margin-top:26px;gap:13px}
.ticks-lg li{font-size:15px;color:var(--tx-2)}
.ticks-lg .i{width:18px;height:18px}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- HERO ---------- */
.hero{position:relative;z-index:1;padding:calc(var(--nav-h) + 76px) 0 0}
.hero-grid{
  display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;
  padding-bottom:78px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:99px;
  background:var(--s1);border:1px solid var(--line-2);font-size:13px;color:var(--tx-2);
  backdrop-filter:blur(8px);
}
.hero h1{font-size:clamp(35px,5.2vw,62px);font-weight:750;letter-spacing:-.025em;margin:26px 0 0;line-height:1.14}
.hero-sub{margin-top:26px;font-size:16.6px;color:var(--tx-2);max-width:600px;line-height:1.86}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:52px;
  padding-top:30px;border-top:1px solid var(--line);
}
.hero-stats dt{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.hero-stats dd{font-size:12.8px;color:var(--tx-3);margin-top:5px;letter-spacing:.02em}

/* console */
.hero-visual{position:relative;overflow:clip}
.console{
  position:relative;z-index:2;border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(170deg,#131B30,#0A0F1E);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 34px 80px -34px rgba(23,43,77,.55),0 0 0 1px rgba(46,99,217,.10);
  backdrop-filter:blur(20px);
}
.console-bar{
  display:flex;align-items:center;gap:12px;padding:13px 18px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.022);
}
.lights{display:flex;gap:6px}
.lights i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.lights i:first-child{background:rgba(255,95,162,.6)}
.lights i:nth-child(2){background:rgba(34,211,238,.6)}
.console-title{font-size:12.5px;color:var(--tx-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em}
.console-badge{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:700;
  letter-spacing:.14em;color:var(--cy);padding:3px 9px;border-radius:5px;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.console-tabs{display:flex;gap:4px;padding:11px 16px 0}
.console-tabs button{
  padding:7px 14px;border-radius:9px 9px 0 0;font-size:13px;cursor:pointer;
  background:transparent;border:1px solid transparent;border-bottom:none;color:var(--tx-3);
  transition:.25s;
}
.console-tabs button:hover{color:var(--tx-2)}
.console-tabs button.on{color:var(--tx);background:var(--s2);border-color:var(--line-2)}
.console-body{padding:20px 22px 26px;min-height:268px}
.cq{display:flex;gap:11px;padding:13px 15px;border-radius:14px;background:var(--s2);border:1px solid var(--line);}
.cwho{
  width:22px;height:22px;flex:0 0 auto;border-radius:6px;display:grid;place-items:center;
  font-size:11.5px;font-weight:800;background:rgba(255,255,255,.1);color:var(--tx-2);
  font-family:ui-monospace,Menlo,monospace;
}
.ctxt{font-size:14.4px;color:var(--tx);line-height:1.6}
.cmeta{
  display:flex;align-items:center;gap:8px;margin:14px 2px 12px;font-size:12px;color:var(--tx-3);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;
}
.cmeta .i{width:14px;height:14px;color:var(--cy)}
.spin{animation:spin 2.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.cans{
  border-radius:14px;padding:17px 18px;
  background:linear-gradient(150deg,rgba(34,211,238,.075),rgba(139,92,246,.06));
  border:1px solid rgba(79,140,255,.24);position:relative;
}
.cans::after{
  content:"";position:absolute;inset:0;border-radius:14px;pointer-events:none;
  background:radial-gradient(120% 70% at 0% 0%,rgba(34,211,238,.14),transparent 60%);
}
.cans-rank{
  display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.16em;
  color:#04070D;background:var(--grad);padding:3px 9px;border-radius:5px;
  font-family:ui-monospace,Menlo,monospace;
}
.cans-name{font-size:16.5px;font-weight:700;margin-top:12px;letter-spacing:-.01em}
.cans-desc{font-size:13.6px;color:var(--tx-2);margin-top:8px;line-height:1.75;min-height:76px}
.cans-desc b{color:var(--tx);font-weight:650}
.caret{display:inline-block;width:7px;height:15px;vertical-align:-2px;margin-left:2px;background:var(--cy);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.cans-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.cans-tags span{
  font-size:11.5px;color:var(--tx-2);padding:3px 9px;border-radius:6px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.console-glow{
  position:absolute;inset:8% -6% -6%;z-index:1;border-radius:var(--r-xl);
  background:var(--grad);filter:blur(70px);opacity:.16;
}

/* ticker */
.ticker{
  position:relative;z-index:1;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.55);padding:17px 0;overflow:hidden;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.ticker-row{display:flex;width:max-content;animation:slide 42s linear infinite}
.ticker-set{display:flex;gap:58px;padding-right:58px}
.ticker-set span{
  font-size:14.5px;color:var(--tx-3);letter-spacing:.06em;white-space:nowrap;transition:color .3s;
}
.ticker-set span:hover{color:var(--tx)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- PRODUCTS ---------- */
.prod-flow{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  margin-bottom:44px;font-size:13.5px;color:var(--tx-3);
}
.prod-flow span{padding:6px 14px;border-radius:99px;background:var(--s1);border:1px solid var(--line)}
.flow-arrow{width:34px;height:1px;background:linear-gradient(90deg,var(--cy),rgba(139,92,246,.35));position:relative}
.flow-arrow::after{content:"";position:absolute;right:0;top:-2.5px;width:6px;height:6px;border-top:1px solid var(--pu);border-right:1px solid var(--pu);transform:rotate(45deg)}

.prod{display:flex;flex-direction:column;padding:32px 30px}
.prod-step{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.16em;
  color:var(--tx-3);
}
.prod-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin:20px 0 22px;
  background:linear-gradient(150deg,rgba(12,141,166,.12),rgba(111,71,214,.08));
  border:1px solid rgba(46,99,217,.26);color:var(--cy);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}
.prod-ico svg{width:26px;height:26px}
.prod h3{font-size:21px;letter-spacing:-.015em}
.prod-lead{margin-top:14px;font-size:14.6px;color:var(--tx-2);line-height:1.78}
.prod-lead strong{color:var(--bl);font-weight:650}
.prod .ticks{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);flex:1}
.prod-goal{
  margin-top:22px;padding:13px 15px;border-radius:12px;font-size:13.6px;color:var(--tx-2);
  background:rgba(46,99,217,.06);border:1px solid rgba(46,99,217,.20);
}
.tagline{
  display:inline-block;margin-right:8px;font-size:11px;font-weight:700;letter-spacing:.1em;
  color:var(--bl);font-family:ui-monospace,Menlo,monospace;
}
.prod-hot{border-color:rgba(46,99,217,.32)}
.prod-hot::after{
  content:"";position:absolute;inset:-30% -30% auto auto;width:220px;height:220px;
  background:radial-gradient(circle,rgba(139,92,246,.16),transparent 68%);pointer-events:none;
}
.ribbon{
  position:absolute;top:22px;right:22px;font-size:11px;font-weight:700;letter-spacing:.08em;
  color:#fff;background:var(--grad);padding:4px 10px;border-radius:6px;
}

.note-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}
.note{padding:30px 32px}
.note-tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--tx-3);letter-spacing:.05em}
.note-tag .i{width:16px;height:16px;color:var(--cy)}
.note h4{font-size:19px;margin:14px 0 12px;letter-spacing:-.015em}
.note h3{margin-top:0}
.note p{font-size:14.6px;color:var(--tx-2);line-height:1.8}
.note strong{color:var(--tx);font-weight:650}

/* ---------- PLATFORMS ---------- */
.plat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin:0 0 26px;padding:28px 34px;border-radius:var(--r-l);
  background:linear-gradient(145deg,#121C34 0%,#0B1222 100%);
  border:1px solid rgba(255,255,255,.09);
  box-shadow:0 26px 60px -30px rgba(11,18,34,.55),inset 0 1px 0 rgba(255,255,255,.07);
  position:relative;overflow:hidden;
}
.plat-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 100%;
  mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
}
.plat-band::after{
  content:"";position:absolute;top:0;left:12%;right:12%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(91,156,255,.55),transparent);
}
.pb-item{display:flex;gap:14px;align-items:center;padding:4px 22px;border-left:1px solid rgba(255,255,255,.09)}
.pb-item:first-child{border-left:none;padding-left:0}
.pb-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(150deg,rgba(45,226,245,.18),rgba(181,140,255,.16));
  border:1px solid rgba(91,156,255,.30);color:#6FD3F2;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.pb-ico .i{width:20px;height:20px}
.pb-item b{display:block;font-size:clamp(19px,1.8vw,23px);font-weight:750;color:#F0F4FC;letter-spacing:-.01em}
.pb-item span{font-size:12.4px;color:#8FA2C0;margin-top:3px;display:block}

.plat-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.plat-col{
  padding:30px 30px 20px;border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(170deg,#FFFFFF,#F6FAFE);
  box-shadow:0 1px 2px rgba(23,43,77,.05),0 12px 30px -20px rgba(23,43,77,.18);
}
.plat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.plat-head h3{font-size:18px}
.plat-list li{
  position:relative;padding:13px 0 13px 0;border-bottom:1px dashed rgba(16,30,58,.14);
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;
}
.plat-list li:last-child{border-bottom:none}
.plat-list b{font-size:15px;font-weight:600;letter-spacing:.01em;display:flex;align-items:center;gap:10px}
.plg{width:23px;height:23px;border-radius:7px;flex:0 0 auto;box-shadow:0 2px 5px -1px rgba(23,43,77,.22)}
.plat-list li:hover .plg{transform:scale(1.08);transition:transform .3s var(--ease)}
.plat-list span{font-size:12.5px;color:var(--tx-3);font-variant-numeric:tabular-nums}
.bar{
  grid-column:1/-1;display:block;height:6px;border-radius:99px;margin-top:9px;
  background:rgba(16,30,58,.08);overflow:hidden;
}
.bar::before{
  content:"";display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--cy),var(--bl) 55%,var(--pu));
  box-shadow:0 0 12px -2px rgba(46,99,217,.55);
  transition:width 1.25s var(--ease);
}
.in .bar::before{width:var(--w)}
/* 级联生长：滚动到板块后逐条从起点加载 */
.plat-list li:nth-child(1) .bar::before{transition-delay:.10s}
.plat-list li:nth-child(2) .bar::before{transition-delay:.18s}
.plat-list li:nth-child(3) .bar::before{transition-delay:.26s}
.plat-list li:nth-child(4) .bar::before{transition-delay:.34s}
.plat-list li:nth-child(5) .bar::before{transition-delay:.42s}
.plat-list li:nth-child(6) .bar::before{transition-delay:.50s}
.plat-list li:nth-child(7) .bar::before{transition-delay:.58s}
.plat-list li:nth-child(8) .bar::before{transition-delay:.66s}
@media (prefers-reduced-motion:reduce){
  .bar::before{transition:none}
  .in .bar::before{width:var(--w)}
}

/* ---------- TECH ---------- */
.tech{padding:30px 28px;overflow:hidden}
.tech::after{
  content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;
  background:radial-gradient(circle,rgba(79,140,255,.14),transparent 70%);pointer-events:none;
}
.tech-no{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.2em;
  color:var(--tx-4);
}
.tech-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin:16px 0 18px;
  background:var(--s2);border:1px solid var(--line-2);color:var(--cy);
}
.tech-ico svg{width:22px;height:22px}
.tech h3{font-size:18.5px;letter-spacing:-.01em}
.tech p{margin-top:11px;font-size:14.2px;color:var(--tx-2);line-height:1.78}
.tech:hover .tech-ico{border-color:rgba(46,99,217,.45);color:var(--bl);box-shadow:0 0 22px -6px rgba(46,99,217,.38)}

/* ---------- PROCESS ---------- */
.proc-grid{display:grid;grid-template-columns:392px 1fr;gap:40px;align-items:start}
.proc-panel{
  position:sticky;top:calc(var(--nav-h) + 26px);
  padding:34px 32px 26px;border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(155deg,#121C34 0%,#0B1222 100%);
  border:1px solid rgba(255,255,255,.09);color:#EDF2FB;
  box-shadow:0 30px 70px -32px rgba(11,18,34,.55),inset 0 1px 0 rgba(255,255,255,.07);
}
.proc-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 90% 62% at 50% 0%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 62% at 50% 0%,#000 20%,transparent 78%);
}
.proc-panel::after{
  content:"";position:absolute;top:0;left:14%;right:14%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(91,156,255,.55),transparent);
}
.pp-kicker{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:10.5px;letter-spacing:.24em;color:#6FD3F2;
}
.proc-panel h3{font-size:23px;margin-top:14px;letter-spacing:-.01em;color:#F0F4FC}
.pp-sub{font-size:13.6px;color:#8FA2C0;margin-top:12px;line-height:1.82}
.pp-orbit{position:relative;width:158px;height:158px;margin:30px auto 26px}
.pp-orbit::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:1px dashed rgba(139,164,255,.40);animation:spin 26s linear infinite;
}
.pp-orbit::after{
  content:"";position:absolute;inset:26px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  background:radial-gradient(circle,rgba(45,226,245,.10),transparent 70%);
}
.pp-core{
  position:absolute;inset:54px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(45,226,245,.22),rgba(181,140,255,.20));
  border:1px solid rgba(91,156,255,.38);color:#8FDFF5;
  box-shadow:0 0 26px -6px rgba(45,226,245,.5),inset 0 1px 0 rgba(255,255,255,.14);
}
.pp-core .i{width:24px;height:24px}
.pp-dot{position:absolute;width:8px;height:8px;border-radius:50%}
.pp-dot-a{background:#2DE2F5;box-shadow:0 0 10px rgba(45,226,245,.9);top:2px;left:calc(50% - 4px)}
.pp-dot-b{background:#8B5CF6;box-shadow:0 0 10px rgba(139,92,246,.9);bottom:18px;right:12px}
.pp-dot-c{background:#FFB45C;box-shadow:0 0 10px rgba(255,180,92,.9);bottom:26px;left:6px}
.pp-stats{list-style:none;position:relative}
.pp-stats li{display:flex;gap:13px;align-items:center;padding:15px 0;border-top:1px solid rgba(255,255,255,.09)}
.pp-ico{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#6FD3F2;
}
.pp-ico .i{width:18px;height:18px}
.pp-stats b{display:block;font-size:17.5px;font-weight:700;color:#F0F4FC;letter-spacing:-.01em}
.pp-stats span{font-size:12.4px;color:#8FA2C0;display:block;margin-top:3px}

.steps{display:flex;flex-direction:column;gap:0;position:relative}
.step{display:flex;gap:26px;padding:26px 0;position:relative}
.step::before{
  content:"";position:absolute;left:25px;top:70px;bottom:-26px;width:1px;
  background:linear-gradient(180deg,var(--line-2),var(--line));
}
.step:last-child::before{display:none}
.step-n{
  width:50px;height:50px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(155deg,#16223F,#0C1424);
  border:1px solid rgba(46,99,217,.32);color:#6FD3F2;z-index:1;
  box-shadow:0 12px 26px -14px rgba(11,18,34,.55),inset 0 1px 0 rgba(255,255,255,.10);
}
.step-n svg{width:22px;height:22px}
.step-tag{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.16em;color:var(--bl)}
.step-body h3{font-size:19px;margin:7px 0 8px;letter-spacing:-.01em}
.step-body p{font-size:14.6px;color:var(--tx-2);max-width:660px;line-height:1.78}
.step:hover .step-n{border-color:rgba(46,99,217,.55);box-shadow:0 0 26px -8px rgba(46,99,217,.5)}

.promise{
  margin-top:38px;display:flex;gap:13px;align-items:flex-start;padding:20px 24px;
  border-radius:var(--r);border:1px solid rgba(46,99,217,.26);
  background:linear-gradient(100deg,rgba(46,99,217,.08),rgba(111,71,214,.05));
  font-size:14.6px;color:var(--tx-2);line-height:1.75;
}
.promise .i{width:19px;height:19px;color:var(--cy);margin-top:4px}
.promise strong{color:var(--tx);font-weight:650}

/* ---------- SUPPORT ---------- */
.sup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sup{padding:26px 24px}
.sup-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--s2);border:1px solid var(--line);color:var(--cy);
  transition:transform .35s var(--ease),box-shadow .35s;
}
.sup-ico svg{width:21px;height:21px}
.sup h4{font-size:16.5px;letter-spacing:-.005em}
.sup p{margin-top:9px;font-size:13.8px;color:var(--tx-2);line-height:1.72}
.sup strong{color:var(--bl);font-weight:650}
.sup:hover .sup-ico{transform:scale(1.1) rotate(-4deg);box-shadow:0 10px 24px -10px rgba(23,43,77,.30)}

/* 7 张小卡图标各自配色（大卡占第 1 位，小卡从 nth-child 2 起） */
.sup:nth-child(2) .sup-ico{background:linear-gradient(150deg,rgba(12,141,166,.15),rgba(12,141,166,.05));color:#0C8DA6;border-color:rgba(12,141,166,.26)}
.sup:nth-child(3) .sup-ico{background:linear-gradient(150deg,rgba(46,99,217,.15),rgba(46,99,217,.05));color:#2E63D9;border-color:rgba(46,99,217,.26)}
.sup:nth-child(4) .sup-ico{background:linear-gradient(150deg,rgba(111,71,214,.15),rgba(111,71,214,.05));color:#6F47D6;border-color:rgba(111,71,214,.26)}
.sup:nth-child(5) .sup-ico{background:linear-gradient(150deg,rgba(214,69,111,.14),rgba(214,69,111,.05));color:#D6456F;border-color:rgba(214,69,111,.26)}
.sup:nth-child(6) .sup-ico{background:linear-gradient(150deg,rgba(178,110,15,.16),rgba(178,110,15,.06));color:#B26E0F;border-color:rgba(178,110,15,.28)}
.sup:nth-child(7) .sup-ico{background:linear-gradient(150deg,rgba(14,143,93,.15),rgba(14,143,93,.05));color:#0E8F5D;border-color:rgba(14,143,93,.26)}
.sup:nth-child(8) .sup-ico{background:linear-gradient(150deg,rgba(194,85,155,.15),rgba(194,85,155,.05));color:#C2559B;border-color:rgba(194,85,155,.26)}

/* SLA 深色焦点大卡（跨 2 列） */
.sup-hero{
  grid-column:span 2;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(150deg,#131D36 0%,#0B1222 100%);
  border-color:rgba(91,156,255,.30);color:#EDF2FB;
}
.sup-hero::before{background:linear-gradient(90deg,transparent,rgba(45,226,245,.5),transparent)}
.sup-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:
    radial-gradient(320px 220px at 90% 8%, rgba(45,226,245,.16), transparent 70%),
    radial-gradient(280px 240px at 4% 100%, rgba(181,140,255,.15), transparent 70%);
}
.sup-hero > *{position:relative;z-index:1}
.sup-hero-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sup-hero .sup-ico{
  width:48px;height:48px;border-radius:13px;margin-bottom:0;
  background:rgba(45,226,245,.13);border-color:rgba(45,226,245,.40);color:#2DE2F5;
  box-shadow:0 0 24px -8px rgba(45,226,245,.55);
}
.sup-hero .sup-ico svg{width:23px;height:23px}
.sup-sla{
  font-family:ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.18em;color:#2DE2F5;
  padding:5px 11px;border-radius:99px;border:1px solid rgba(45,226,245,.38);background:rgba(45,226,245,.09);
}
.sup-hero-num{
  margin:14px 0 8px;font-size:64px;font-weight:800;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(100deg,#2DE2F5,#5B9CFF 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(45,226,245,.35));
}
.sup-hero-num i{font-style:normal;font-size:22px;font-weight:650;letter-spacing:.02em;margin-left:8px;color:#7E8DA6;-webkit-text-fill-color:#7E8DA6}
.sup-hero h4{font-size:20px;color:#fff;margin:0 0 4px}
.sup-hero p{color:#A9B7CE;max-width:480px}
.sup-hero strong{color:#2DE2F5}
.sup-hero:hover .sup-ico{transform:none;box-shadow:0 0 30px -6px rgba(45,226,245,.7)}

/* ---------- CASES ---------- */
.case{padding:30px 30px 26px}
.case-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.case-metric{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:650;color:#0E8F5D}
.case-metric .i{width:16px;height:16px}
.case h3{font-size:20px;letter-spacing:-.015em}
.case-lines{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.case-lines p{font-size:14.2px;color:var(--tx-2);line-height:1.72;padding-left:0}
.case-lines span{
  display:inline-block;min-width:66px;margin-right:10px;font-size:11.5px;font-weight:700;
  letter-spacing:.08em;color:var(--tx-4);font-family:ui-monospace,Menlo,monospace;
  vertical-align:1px;
}
.case-lines strong{color:var(--bl);font-weight:650}
.case blockquote{
  margin:20px 0 0;padding:16px 18px;border-radius:12px;font-size:13.6px;color:var(--tx-2);
  background:rgba(16,30,58,.04);border-left:2px solid var(--bl);line-height:1.75;position:relative;
}
.case .q{position:absolute;right:12px;bottom:10px;width:26px;height:26px;color:rgba(16,30,58,.07)}
.data-note{
  margin-top:26px;display:flex;gap:13px;align-items:flex-start;padding:20px 24px;
  border-radius:var(--r);border:1px solid var(--line);background:var(--s1);
  font-size:14.4px;color:var(--tx-2);line-height:1.76;
}
.data-note .i{width:19px;height:19px;color:var(--cy);margin-top:4px}
.data-note strong{color:var(--tx);font-weight:650}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:22px;align-items:stretch}
.about-main{padding:34px;display:flex;flex-direction:column}
.about-stat{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding-bottom:26px;margin-bottom:26px;
  border-bottom:1px solid var(--line);
}
.about-stat b{
  display:block;font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.25;
}
.about-stat span{font-size:12.3px;color:var(--tx-3);display:block;margin-top:3px}
.about-main h3{font-size:19px;letter-spacing:-.01em}
.about-main h3.mt{margin-top:26px}
.about-main p{margin-top:12px;font-size:14.8px;color:var(--tx-2);line-height:1.84}
.about-main strong{color:var(--tx);font-weight:650}
.about-side{display:flex;flex-direction:column;gap:22px}
h3.sm{font-size:18px;margin:14px 0 16px;letter-spacing:-.01em}
.team-chips{display:flex;flex-wrap:wrap;gap:9px}
.team-chips span{
  padding:7px 13px;border-radius:9px;font-size:13.2px;color:var(--tx-2);
  background:var(--s1);border:1px solid var(--line);
}

/* card link */
.card-link{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:13.6px;font-weight:600;color:var(--bl);transition:color .3s}
.card-link .i{width:16px;height:16px;transition:transform .3s var(--ease)}
.card:hover .card-link{color:var(--pu)}
.card:hover .card-link .i{transform:translateX(3px)}

/* ---------- INSIGHTS ---------- */
.ins-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start}
.ins-lead{padding:0;overflow:hidden;display:block}
.ins-more{display:flex;justify-content:center;margin-top:44px}
.ins-cover{position:relative;height:210px;border-bottom:1px solid var(--line)}
.cover-art{
  position:absolute;inset:0;
  background:
    radial-gradient(90% 120% at 12% 8%,rgba(34,211,238,.30),transparent 58%),
    radial-gradient(70% 100% at 88% 92%,rgba(139,92,246,.30),transparent 60%),
    linear-gradient(160deg,#0A1120,#070B14);
}
.cover-art::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 78%);
}
.ins-hot{
  position:absolute;left:20px;top:20px;display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:650;color:#04070D;background:linear-gradient(100deg,#F472B6,#FB923C);
  padding:5px 11px;border-radius:7px;
}
.ins-hot .i{width:14px;height:14px}
.ins-body{padding:26px 30px 28px}
.ins-body h3{font-size:21px;margin:14px 0 12px;letter-spacing:-.015em;line-height:1.42}
.ins-lead p{font-size:14.4px;color:var(--tx-2);line-height:1.8}
.ins-meta{margin-top:16px;font-size:12.3px;color:var(--tx-4);font-family:ui-monospace,Menlo,monospace;letter-spacing:.04em}
.ins-side{display:flex;flex-direction:column;gap:14px}
.ins-mini{padding:20px 22px}
.ins-mini .ins-body{padding:0}
.ins-mini h4{font-size:15.4px;margin:11px 0 0;line-height:1.55;font-weight:600;color:var(--tx-2);transition:color .3s}
.ins-mini:hover h4{color:var(--tx)}
.ins-mini .ins-meta{margin-top:11px}
.ins-mini:hover{border-color:rgba(46,99,217,.36)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.qa{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:linear-gradient(170deg,#FFFFFF,#F8FBFF);
  box-shadow:0 1px 2px rgba(23,43,77,.04);
  transition:border-color .3s,background .3s;
}
.qa:hover{border-color:rgba(46,99,217,.28)}
.qa.open{border-color:rgba(46,99,217,.38);background:linear-gradient(170deg,#F4F8FF,#F8FBFF)}
.qbtn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--tx);
}
.qbtn .i{width:19px;height:19px;color:var(--tx-3);transition:transform .35s var(--ease),color .3s;flex:0 0 auto}
.qa.open .qbtn .i{transform:rotate(180deg);color:var(--cy)}
.qbody{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
.qa.open .qbody{grid-template-rows:1fr}
.qbody>div{overflow:hidden}
.qbody p,.qbody .ticks{padding:0 24px}
.qbody .ticks{padding-bottom:20px}
.qbody p:first-child{padding-top:2px}
.qbody p{font-size:14.6px;color:var(--tx-2);line-height:1.8;padding-bottom:12px}
.qbody p:last-child{padding-bottom:22px}
.qbody strong{color:var(--tx);font-weight:650}

/* ---------- CTA ---------- */
.sec-cta{padding-bottom:120px}
.cta-box{
  position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;
  padding:56px 56px;border-radius:32px;overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(140deg,#141D33,#0B101F);
  box-shadow:0 40px 90px -40px rgba(23,43,77,.6),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 80% at 8% 0%,rgba(34,211,238,.14),transparent 62%),
             radial-gradient(50% 70% at 100% 100%,rgba(139,92,246,.16),transparent 62%);
}
.cta-box::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(70% 70% at 50% 0%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 0%,#000,transparent 76%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.28}
.cta-copy p{margin-top:20px;font-size:15.4px;color:var(--tx-2);line-height:1.82;max-width:520px}
.cta-form{
  position:relative;z-index:2;padding:28px;border-radius:var(--r-l);
  background:rgba(8,11,19,.86);border:1px solid var(--line-2);
  backdrop-filter:blur(14px);box-shadow:0 20px 60px -24px rgba(0,0,0,.9);
}
.form-head{display:flex;align-items:center;gap:9px;font-size:16.5px;font-weight:700;margin-bottom:20px}
.form-head .i{width:19px;height:19px;color:var(--cy)}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:12.6px;color:var(--tx-3);margin-bottom:7px;letter-spacing:.03em}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:11px;
  background:rgba(255,255,255,.035);border:1px solid var(--line-2);color:var(--tx);
  font-size:14.6px;transition:border-color .25s,background .25s,box-shadow .25s;
  appearance:none;-webkit-appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%239BA8BF' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M4 6.5l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:38px;
  color-scheme:dark;cursor:pointer;
}
/* 原生下拉弹出层在浅色系统主题下默认白底，需显式指定深色，否则选项白字不可见 */
.field select option{color:#E9EEF8;background:#121C34}
.field select option:checked{background:#2E63D9;color:#fff}
.field input::placeholder{color:var(--tx-4)}
.field input:focus,.field select:focus{
  outline:none;border-color:rgba(91,156,255,.60);background:rgba(91,156,255,.07);
  box-shadow:0 0 0 3px rgba(91,156,255,.22);
}
.field input.err{border-color:rgba(255,95,162,.6);box-shadow:0 0 0 3px rgba(255,95,162,.12)}
.form-tip{margin-top:12px;font-size:12.2px;color:var(--tx-4);text-align:center;line-height:1.6}
.form-tip.ok{color:#0E8F5D}
.form-tip.err{color:var(--pk)}
.contact-chips{display:flex;gap:10px;margin-top:16px}
.contact-chips a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:10px;
  border-radius:10px;font-size:13.4px;color:var(--tx-2);
  background:var(--s1);border:1px solid var(--line);transition:.28s;
}
.contact-chips a:hover{color:var(--tx);border-color:var(--line-3);background:var(--s2)}
.contact-chips .i{width:16px;height:16px;color:var(--cy)}


/* ---------- FOOTER ---------- */
.ft{position:relative;z-index:1;border-top:1px solid rgba(16,30,58,.14);background:#0D1526;padding-top:62px}
.ft-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:48px}
.ft-brand p{margin-top:18px;font-size:13.4px;color:var(--tx-3);line-height:1.8}
.ft-col h5{font-size:13.5px;font-weight:650;margin-bottom:16px;letter-spacing:.02em}
.ft-col a{display:flex;align-items:center;gap:8px;font-size:13.4px;color:var(--tx-3);padding:6px 0;transition:color .25s}
.ft-col a:hover{color:var(--tx)}
.ft-col .i{width:15px;height:15px;color:var(--cy)}
.ft-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 28px;border-top:1px solid var(--line);font-size:12.6px;color:var(--tx-4);
}
.ft-badge{display:inline-flex;align-items:center;gap:8px;color:var(--tx-3)}
.icp-link{color:inherit;text-decoration:none;transition:color .25s}
.icp-link:hover{color:var(--cy);text-decoration:underline;text-underline-offset:3px}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.09s}.d2{transition-delay:.18s}.d3{transition-delay:.27s}.d4{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1080px){
  .nav-in{gap:20px}
  .nav-links a{padding:8px 10px;font-size:13.6px}
  .brand-txt em{display:none}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px}
  .hero-visual{max-width:620px}
  .cards-3{grid-template-columns:1fr 1fr}
  .sup-grid{grid-template-columns:1fr 1fr}
  .sup-hero{grid-column:span 2}
  .about-grid{grid-template-columns:minmax(0,1fr)}
  .ins-grid{grid-template-columns:minmax(0,1fr)}
  .cta-box{grid-template-columns:minmax(0,1fr);gap:36px;padding:44px 34px}
  .ft-in{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:2px;padding:14px 20px 22px;
    background:rgba(248,250,254,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.3s var(--ease);
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:13px 12px;font-size:15.5px}
  .burger{display:flex}
  .brand-txt em{display:inline}
  .nav-act .btn-sm{display:none}
  .sec{padding:82px 0}
  .cards-3,.cards-2,.note-row,.plat-wrap{grid-template-columns:minmax(0,1fr)}
  .plat-band{grid-template-columns:1fr 1fr;gap:18px 0;padding:24px 24px}
  .pb-item{border-left:none;padding:4px 8px}
  .proc-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .proc-panel{position:static}
  .pp-orbit{width:128px;height:128px;margin:22px auto 18px}
  .pp-core{inset:44px}
  .hero{padding-top:calc(var(--nav-h) + 46px)}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px 12px}
  .wrap{padding:0 20px}
  .about-stat{grid-template-columns:1fr 1fr}
  .steps .step{gap:18px}
  .ins-side{gap:12px}
}
@media (max-width:560px){
  body{font-size:15.4px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .card{padding:24px 20px;border-radius:var(--r)}
  .sec-head{margin-bottom:42px}
  .sup-grid{grid-template-columns:minmax(0,1fr)}
  .sup-hero{grid-column:span 1}
  .sup-hero-num{font-size:52px}
  .ft-in{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta-box{padding:32px 20px;border-radius:22px}
  .console-body{padding:16px 16px 22px}
  .qbtn{padding:17px 18px;font-size:15px}
  .qbody p,.qbody .ticks{padding-left:18px;padding-right:18px}
  .contact-chips{flex-direction:column}
  .prod-flow span{font-size:12.5px;padding:5px 11px}
  .flow-arrow{width:20px}
}

/* =========================================================
   LIGHT BLOCK SYSTEM
   ========================================================= */
.sec-light{
  background:var(--lf-bg);color:var(--lf-tx);
  border-top:1px solid rgba(12,20,38,.07);border-bottom:1px solid rgba(12,20,38,.07);
}
.sec-light::before{display:none}

/* =========================================================
   TINT SECTIONS — 异色系润色（约 1/5~1/4 板块做节奏）
   在主色云白之中插入三个异色系柔和底：
   青雾 / 淡紫雾 / 暖米 —— 互不相邻，卡片为白底可叠放
   ========================================================= */
.sec-tint{
  border-top:1px solid rgba(12,20,38,.06);
  border-bottom:1px solid rgba(12,20,38,.06);
}

/* 青雾 · FAQ 等 */
.sec-tint-cy{
  background:
    radial-gradient(1100px 430px at 86% -12%, rgba(12,141,166,.085), transparent 66%),
    linear-gradient(180deg,#F3FAFB 0%,#EDF5F8 55%,#F1F6F9 100%);
}
.sec-tint-cy .kicker{color:#0E7D94}
.sec-tint-cy .kicker::before{background:linear-gradient(90deg,transparent,#0E7D94)}
.sec-tint-cy .kicker::after{background:linear-gradient(270deg,transparent,#0E7D94)}
.sec-tint-cy .qa{background:#fff}

/* 淡紫雾 · 硬核技术等 */
.sec-tint-pu{
  background:
    radial-gradient(1050px 420px at 10% -14%, rgba(111,71,214,.085), transparent 66%),
    linear-gradient(180deg,#F7F5FC 0%,#F2EFFA 55%,#F5F3FB 100%);
}
.sec-tint-pu .kicker{color:#6A4BD0}
.sec-tint-pu .kicker::before{background:linear-gradient(90deg,transparent,#6A4BD0)}
.sec-tint-pu .kicker::after{background:linear-gradient(270deg,transparent,#6A4BD0)}

/* 暖米 · 售后保障等 */
.sec-tint-am{
  background:
    radial-gradient(1000px 400px at 50% -14%, rgba(196,138,42,.075), transparent 66%),
    linear-gradient(180deg,#FCFAF4 0%,#F9F6ED 55%,#FBF8F0 100%);
}
.sec-tint-am::after{  /* 细点阵纹理，让底色不那么"平" */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(178,110,15,.13) 1px,transparent 1.7px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 90% 62% at 50% 4%,#000 0%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 62% at 50% 4%,#000 0%,transparent 78%);
}
.sec-tint-am > .wrap{position:relative;z-index:1}
.sec-tint-am .kicker{color:#B57E22}
.sec-tint-am .kicker::before{background:linear-gradient(90deg,transparent,#B57E22)}
.sec-tint-am .kicker::after{background:linear-gradient(270deg,transparent,#B57E22)}
.sec-light .sec-head p{color:var(--lf-tx-2)}
.sec-light .sec-head h2 .sep{color:rgba(12,20,38,.2)}
.sec-light .kicker{color:#0E86AE}
.sec-light .kicker::before{background:linear-gradient(90deg,transparent,#0E86AE)}
.sec-light .kicker::after{background:linear-gradient(270deg,transparent,#0E86AE)}
.sec-light .pill{color:#0E86AE;background:rgba(14,134,174,.08);border-color:rgba(14,134,174,.22)}


/* =========================================================
   GALLERY
   ========================================================= */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gal-item{
  margin:0;position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-l);cursor:zoom-in;
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  transition:transform .5s var(--ease),border-color .35s,box-shadow .5s;
}
.gal-item::before{
  content:"";position:absolute;left:12%;right:12%;top:0;height:1px;z-index:5;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.26),transparent);
}
.gal-item:hover{transform:translateY(-6px);box-shadow:0 30px 66px -30px rgba(0,0,0,.9),0 0 0 1px rgba(91,156,255,.24)}
.gal-item::after{
  content:"";position:absolute;z-index:6;right:15px;top:15px;width:33px;height:33px;border-radius:10px;
  background:rgba(8,12,22,.55) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 2H3.2A1.2 1.2 0 0 0 2 3.2V6M10 2h2.8A1.2 1.2 0 0 1 14 3.2V6M10 14h2.8a1.2 1.2 0 0 0 1.2-1.2V10M6 14H3.2A1.2 1.2 0 0 1 2 12.8V10'/%3E%3C/svg%3E") center/16px 16px no-repeat;
  border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px);
  opacity:0;transform:scale(.84);transition:.35s var(--ease);
}
.gal-item:hover::after{opacity:1;transform:none}
.gal-big{grid-column:span 2}

.gart{position:relative;overflow:hidden;aspect-ratio:4/3;background:#070B14}
.gal-big .gart{aspect-ratio:21/9}
@media (min-width:1081px){
  .gal-big{grid-row:span 2}
  .gal-big .gart{aspect-ratio:auto;flex:1;min-height:0}
  .gal-big .gart>svg,.gal-big .gart>img{position:absolute;inset:0;width:100%;height:100%}
}
.gart>svg{display:block;width:100%;height:100%}
.gart>img{width:100%;height:100%;object-fit:cover;display:block}
.gart::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 52%,rgba(5,8,16,.5))}

.gal-item figcaption{padding:16px 20px 20px;position:relative;z-index:3}
.gal-tag{
  display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:10.5px;letter-spacing:.16em;color:var(--cy);margin-bottom:9px;
}
.gal-item h4{font-size:16.5px;letter-spacing:-.012em}
.gal-big h4{font-size:21px}
.gal-item figcaption p{margin-top:10px;font-size:13.6px;color:var(--tx-2);line-height:1.72}


/* =========================================================
   CERTIFICATIONS
   ========================================================= */

/* 弹性排布：卡片按行自动拉伸铺满，任何数量都不会出现末行空缺 */

/* light-block overrides */
.sec-light .gal-item{background:#fff;border-color:var(--lf-line);box-shadow:0 6px 22px -14px rgba(15,25,45,.18)}
.sec-light .gal-item::before{background:linear-gradient(90deg,transparent,rgba(12,20,38,.13),transparent)}
.sec-light .gal-item:hover{box-shadow:0 26px 52px -24px rgba(15,25,45,.3)}
.sec-light .gal-item::after{background-color:rgba(255,255,255,.72);border-color:rgba(12,20,38,.16);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%230C1424' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 2H3.2A1.2 1.2 0 0 0 2 3.2V6M10 2h2.8A1.2 1.2 0 0 1 14 3.2V6M10 14h2.8a1.2 1.2 0 0 0 1.2-1.2V10M6 14H3.2A1.2 1.2 0 0 1 2 12.8V10'/%3E%3C/svg%3E")}
.sec-light .gal-tag{color:#0E86AE}
.sec-light .gal-item figcaption p{color:var(--lf-tx-2)}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lb{
  position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;
  padding:56px 24px;background:rgba(5,8,16,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.lb.on{display:flex;animation:lbfade .3s var(--ease)}
@keyframes lbfade{from{opacity:0}to{opacity:1}}
.lb-inner{
  margin:0;max-width:980px;width:100%;display:flex;flex-direction:column;align-items:center;gap:18px;
  animation:lbup .45s var(--ease);
}
@keyframes lbup{from{opacity:0;transform:translateY(22px) scale(.97)}to{opacity:1;transform:none}}
.lb-stage{
  width:100%;border-radius:var(--r-l);overflow:hidden;background:#070B14;
  border:1px solid var(--line-2);box-shadow:0 50px 120px -50px rgba(0,0,0,1);
  display:flex;align-items:center;justify-content:center;
}
.lb-stage>svg{display:block;width:100%;height:auto}
.lb-stage>img{display:block;width:100%;height:auto;max-height:70vh;object-fit:contain}
.lb-stage .gart{width:100%;aspect-ratio:auto}
.lb-stage .gart::after{display:none}
.lb-cap{
  text-align:center;font-size:14.6px;color:var(--tx-2);letter-spacing:.02em;
  padding:0 12px;line-height:1.7;
}
.lb-cap b{display:block;color:var(--tx);font-size:17px;font-weight:650;margin-bottom:4px}
.lb-sub{display:block;font-size:12.6px;color:var(--tx-3);margin-top:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.lb-close{
  position:absolute;top:20px;right:22px;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);color:var(--tx);
  transition:.28s;
}
.lb-close:hover{background:rgba(255,255,255,.12);border-color:var(--line-3);transform:rotate(90deg)}
.lb-close svg{width:20px;height:20px}
body.lb-open{overflow:hidden}

@media (max-width:1080px){
  .gal{grid-template-columns:1fr 1fr}
  .gal-big{grid-column:span 2;grid-row:span 1}
  .gal-big .gart{aspect-ratio:21/9}
  .gal-big .gart>svg,.gal-big .gart>img{position:static;width:100%;height:100%}
  .gal-item:nth-child(4){grid-column:span 2}
  .gal-item:nth-child(4) .gart{aspect-ratio:21/9}
}
@media (max-width:860px){
}
@media (max-width:640px){
  .gal{grid-template-columns:minmax(0,1fr)}
  .gal-big,.gal-item:nth-child(4){grid-column:span 1;grid-row:span 1}
  .gal-big .gart,.gal-item:nth-child(4) .gart{aspect-ratio:4/3}
  .gal-big .gart>svg,.gal-big .gart>img{position:static}
  .gal-item figcaption{padding:14px 16px 17px}
  .lb{padding:64px 14px}
  .lb-close{top:12px;right:14px;width:38px;height:38px}
}
@media (max-width:460px){
}

/* =========================================================
   MOBILE — 手机端专项适配（≤768px）
   策略：字号清晰 · 触控友好 · 突出核心 · 次要内容折叠
   ========================================================= */
.more-btn{display:none}
.mbar{display:none}

@media (max-width:768px){
  /* ---------- 1. 基础排版：可读性优先 ---------- */
  body{font-size:16px;line-height:1.8;padding-bottom:76px}
  .wrap{padding:0 18px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:32px;text-align:left}
  .sec-head h2{font-size:clamp(21px,5.9vw,27px);line-height:1.36}
  .sec-head p{font-size:14.6px;margin-top:13px;line-height:1.82}
  .kicker{font-size:10.5px;letter-spacing:.16em;margin-bottom:12px}
  h3{font-size:17px}
  .card{padding:22px 18px;border-radius:16px}
  .card p,.tech p,.sup p,.step-body p,.case p{font-size:14.4px;line-height:1.82}
  .tech h3,.sup h4,.case h3{font-size:17px}

  /* ---------- 2. 装饰层精简：滚动更顺、视线更聚焦 ---------- */
  .amb-grid,.amb-noise,.orb,.neural{display:none}
  .amb{opacity:.5}

  /* ---------- 3. 首屏：核心主张更突出 ---------- */
  .hero{padding-top:calc(var(--nav-h) + 34px);padding-bottom:44px}
  .hero h1{font-size:clamp(25px,7.2vw,33px);line-height:1.32}
  .hero-sub{font-size:15.2px;line-height:1.84;margin-top:16px}
  .hero-cta{flex-direction:column;align-items:stretch;gap:12px}
  .hero-cta .btn{width:100%;justify-content:center;min-height:50px;font-size:15.4px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px 12px}
  .hero-stats b{font-size:22px}
  .console-body{padding:14px 14px 18px}
  .console-head{padding:11px 14px}
  .btn{min-height:46px;padding:12px 20px}

  /* ---------- 4. 折叠：默认只展示核心项，其余按需展开 ---------- */
  .more-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:7px;
    width:100%;margin-top:14px;padding:13px 16px;border-radius:12px;
    font-size:14.4px;font-weight:600;color:var(--bl);font-family:inherit;cursor:pointer;
    background:#fff;border:1px solid rgba(46,99,217,.30);
    box-shadow:0 6px 18px -12px rgba(23,43,77,.24);
    grid-column:1/-1;transition:background .25s,border-color .25s;
  }
  .more-btn:active{background:#F2F6FF}
  .more-btn .i{width:16px;height:16px;transition:transform .32s var(--ease)}
  .more-btn.on .i{transform:rotate(180deg)}

  /* 平台列表：默认 5 / 8 */
  #platMore1 .plat-list li:nth-child(n+6),
  #platMore2 .plat-list li:nth-child(n+6){display:none}
  #platMore1.m-open .plat-list li:nth-child(n+6),
  #platMore2.m-open .plat-list li:nth-child(n+6){display:grid}
  /* 技术能力：默认 4 / 6 */
  #techMore > .card:nth-child(n+5){display:none}
  #techMore.m-open > .card:nth-child(n+5){display:block}
  /* 售后保障：默认 4 / 8 */
  #supMore > .card:nth-child(n+5){display:none}
  #supMore.m-open > .card:nth-child(n+5){display:block}
  /* 客户案例：默认 2 / 4 */
  #caseMore > .card:nth-child(n+3){display:none}
  #caseMore.m-open > .card:nth-child(n+3){display:block}
  /* 实景：默认 3 / 6 */
  #galMore > *:nth-child(n+4){display:none}
  #galMore.m-open > *:nth-child(n+4){display:block}
  /* 洞察侧栏：默认 2 / 4 */
  #insMore > *:nth-child(n+3){display:none}
  #insMore.m-open > *:nth-child(n+3){display:block}

  /* ---------- 5. 表单：字号 ≥16px 避免 iOS 聚焦缩放 ---------- */
  .field input,.field select{font-size:16px;padding:13px 14px;min-height:48px}
  .field span{font-size:13.2px}
  .cta-box{padding:26px 18px;border-radius:20px}
  .cta-copy h2{font-size:clamp(22px,6.4vw,27px)}
  .cta-copy p{font-size:14.6px}
  .form-head{font-size:15px}
  .btn-block{min-height:50px;font-size:15.6px}

  /* ---------- 6. 触控目标与间距 ---------- */
  .qbtn{padding:16px 16px;font-size:15px;min-height:52px}
  .qa-body p,.ticks li{font-size:14.4px}
  .step-n{width:44px;height:44px}
  .step::before{left:21px;top:62px}
  .step-body h3{font-size:17.5px}
  .pp-orbit{width:112px;height:112px;margin:18px auto 14px}
  .pp-core{inset:38px}
  .plat-band{padding:20px 18px;gap:14px 0}
  .pb-item{padding:2px 6px;gap:11px}
  .pb-ico{width:38px;height:38px}
  .pb-ico .i{width:17px;height:17px}
  .pb-item b{font-size:18px}
  .pb-item span{font-size:11.8px}
  .plg{width:22px;height:22px}
  .nav-in{gap:14px}
  .brand-mark{width:34px;height:34px}
  .brand-txt{gap:8px}
  .brand-txt strong{font-size:17.5px}
  .brand-txt em{font-size:8.6px;letter-spacing:.12em;padding-left:8px}

  /* ---------- 7. 底部悬浮行动条 ---------- */
  .mbar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(250,252,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    box-shadow:0 -8px 24px -14px rgba(23,43,77,.28);
    transform:translateY(130%);transition:transform .34s var(--ease);
  }
  .mbar.show{transform:none}
  .mbar a{
    display:flex;align-items:center;justify-content:center;gap:7px;
    height:48px;border-radius:13px;font-size:15px;font-weight:650;
  }
  .mbar a .i{width:17px;height:17px}
  .mbar-tel{flex:0 0 32%;background:#fff;border:1px solid var(--line-2);color:var(--tx)}
  .mbar-main{flex:1;background:var(--grad);color:#fff;box-shadow:0 8px 20px -10px rgba(46,99,217,.6)}
}

/* 小屏机型再收紧 */
@media (max-width:400px){
  .wrap{padding:0 15px}
  .sec{padding:48px 0}
  .hero h1{font-size:24px}
  .mbar-tel span{display:none}
  .mbar-tel{flex:0 0 56px}
}

/* =========================================================
   WECHAT — 微信咨询悬浮按钮 + 二维码弹窗（电脑端 & 手机端）
   ========================================================= */
.wx-float{
  position:fixed;right:26px;bottom:26px;z-index:58;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 20px;border:0;border-radius:99px;cursor:pointer;
  background:linear-gradient(150deg,#16DB6B,#07C160 55%,#059B4F);
  color:#fff;font-family:inherit;font-size:14.6px;font-weight:650;letter-spacing:.02em;
  box-shadow:0 14px 34px -12px rgba(7,193,96,.62),0 3px 10px rgba(7,193,96,.30),inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.wx-float .i{width:20px;height:20px}
.wx-float:hover{transform:translateY(-3px);box-shadow:0 20px 42px -12px rgba(7,193,96,.72),0 3px 10px rgba(7,193,96,.34),inset 0 1px 0 rgba(255,255,255,.4)}
.wx-float::after{  /* 呼吸脉冲光晕 */
  content:"";position:absolute;inset:0;border-radius:99px;pointer-events:none;
  animation:wxpulse 2.8s ease-out infinite;
}
@keyframes wxpulse{
  0%{box-shadow:0 0 0 0 rgba(7,193,96,.42)}
  70%{box-shadow:0 0 0 16px rgba(7,193,96,0)}
  100%{box-shadow:0 0 0 0 rgba(7,193,96,0)}
}

.wx-modal{
  position:fixed;inset:0;z-index:110;display:flex;align-items:center;justify-content:center;padding:22px;
  background:rgba(8,12,22,.74);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transition:opacity .32s ease,visibility .32s;
}
.wx-modal.open{opacity:1;visibility:visible}
.wx-card{
  position:relative;width:min(92vw,380px);background:#fff;border-radius:22px;
  padding:32px 28px 26px;text-align:center;
  box-shadow:0 50px 110px -34px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.08);
  transform:translateY(18px) scale(.95);transition:transform .36s var(--ease);
}
.wx-modal.open .wx-card{transform:none}
.wx-close{
  position:absolute;top:12px;right:12px;width:36px;height:36px;border:0;border-radius:10px;
  background:transparent;cursor:pointer;color:#7E8DA6;display:grid;place-items:center;
  transition:background .2s,color .2s;
}
.wx-close:hover{background:#F0F3F9;color:#101E3A}
.wx-close .i{width:17px;height:17px}
.wx-card h3{margin:0 0 8px;font-size:19px;font-weight:700;color:#101E3A;letter-spacing:.01em}
.wx-sub{margin:0 0 20px;font-size:13.4px;line-height:1.7;color:#5A6B87}
.wx-qr{
  width:232px;height:232px;margin:0 auto 16px;padding:13px;border-radius:16px;
  background:#fff;border:1px solid #E4EAF3;box-shadow:0 12px 30px -16px rgba(23,43,77,.28);
}
.wx-qr img{display:block;width:100%;height:100%;border-radius:6px}
.wx-note{
  margin:0;display:flex;align-items:center;justify-content:center;gap:6px;
  font-size:12.4px;color:#8A99B2;
}
.wx-note .i{width:14px;height:14px;color:#07C160}
body.modal-open{overflow:hidden}

@media (max-width:768px){
  .wx-float{
    right:14px;bottom:calc(16px + env(safe-area-inset-bottom,0px));
    padding:12px 15px;font-size:13.6px;gap:7px;
    transition:transform .3s var(--ease),box-shadow .3s,bottom .34s var(--ease);
  }
  .wx-float .i{width:19px;height:19px}
  /* 底部行动条出现时自动上移让位 */
  body.has-mbar .wx-float{bottom:calc(88px + env(safe-area-inset-bottom,0px))}
  .wx-card{padding:28px 20px 22px;border-radius:20px}
  .wx-qr{width:min(64vw,232px);height:min(64vw,232px)}
}
@media (max-width:400px){
  .wx-float span{display:none}
  .wx-float{padding:13px}
  .wx-float::after{border-radius:99px}
}
@media (prefers-reduced-motion:reduce){.wx-float::after{animation:none}}