/* ============================================================
   钢铁侠 IRONMAN — 全站样式
   零依赖 · 原生实现
   ============================================================ */

:root{
  --bg:#05060A;
  --bg2:#080A11;
  --panel:rgba(255,255,255,.035);
  --panel2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line2:rgba(255,255,255,.18);
  --txt:#F2F5FA;
  --txt2:#A6AEC0;
  --txt3:#6C7488;
  --c1:#5B8CFF;
  --c2:#A855F7;
  --c3:#22D3EE;
  --c4:#5BE9B9;
  --grad:linear-gradient(100deg,#5B8CFF 0%,#A855F7 48%,#22D3EE 100%);
  --r:12px;
  --r-lg:16px;
  --w:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
  --nav-h:72px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
body.ready{opacity:1}
body.no-cursor,body.no-cursor *{cursor:none !important}
::selection{background:rgba(91,140,255,.4);color:#fff}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--w);margin:0 auto;padding:0 40px;position:relative;z-index:2}
.pad{padding:130px 0;border-top:1px solid var(--line)}
.pad-sm{padding:80px 0;border-top:1px solid var(--line)}

/* ---------- 滚动揭示 ---------- */
.rv{opacity:0;transform:translateY(30px);
  transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- 章节标题 ---------- */
.sec-head{margin-bottom:64px;max-width:920px}
/* 技术编辑风：左侧等宽索引 + 右侧标题，形成非对称栅格 */
.sec-head:not(.center){display:grid;grid-template-columns:104px minmax(0,1fr);
  column-gap:34px;align-items:start}
.sec-head:not(.center)>*{grid-column:2}
.sec-head:not(.center)>.sec-num{grid-column:1;grid-row:1 / span 2;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--c1);
  font-weight:600;white-space:nowrap;margin:0;padding-top:13px;
  border-top:1px solid var(--line2)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;max-width:760px}
.sec-head.center .sec-num{font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  color:var(--c1);font-weight:700;margin-bottom:16px}
.sec-head:not(.center)>.sec-desc{margin-top:16px}
h2{font-size:clamp(1.8rem,3.7vw,2.9rem);font-weight:800;letter-spacing:-.038em;line-height:1.14}
.sec-desc{color:var(--txt2);margin-top:18px;font-size:15.5px;max-width:640px}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto}

/* 数据一律等宽 + 等宽数字，读起来像仪表盘 */
.hero-stats b,.case-data b,.lab-facts b,.cap-stat b,.qr-amt{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:100px;font-weight:600;font-size:15px;border:1px solid transparent;
  transition:.35s var(--ease);position:relative;overflow:hidden;white-space:nowrap}
.btn span{transition:transform .35s var(--ease)}
.btn:hover span{transform:translateX(4px)}
.btn-primary{background:#fff;color:#08090D}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(255,255,255,.2)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.07);transform:translateY(-2px)}
.btn.full{width:100%}

/* ============================================================
   LOADER
   ============================================================ */
#loader{position:fixed;inset:0;z-index:1000;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s var(--ease),visibility .6s;
  animation:loaderFailsafe 0s 6s forwards}
@keyframes loaderFailsafe{to{opacity:0;visibility:hidden;pointer-events:none}}
#loader.done{opacity:0;visibility:hidden;animation:none}
.loader-inner{text-align:center}
.loader-mark{margin-bottom:22px;animation:spin 2.4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#loaderRing{transition:stroke-dashoffset .25s linear}
.loader-txt{font-size:13px;letter-spacing:.16em;color:var(--txt2);font-variant-numeric:tabular-nums}
.loader-bar{width:220px;height:2px;background:rgba(255,255,255,.1);margin:20px auto 0;border-radius:2px;overflow:hidden}
.loader-bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .25s linear}

/* ============================================================
   自定义光标
   ============================================================ */
#cur,#curDot{position:fixed;top:0;left:0;z-index:900;pointer-events:none;
  opacity:0;transition:opacity .3s}
#cur{width:38px;height:38px;margin:-19px 0 0 -19px;border:1px solid rgba(255,255,255,.55);border-radius:50%;
  transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),
             background .3s,border-color .3s,opacity .3s}
#curDot{width:5px;height:5px;margin:-2.5px 0 0 -2.5px;border-radius:50%;background:#fff}
body.ready #cur,body.ready #curDot{opacity:1}
#cur.on{width:0;height:0;margin:0}
#cur.view{width:96px;height:96px;margin:-48px 0 0 -48px;background:rgba(91,140,255,.14);
  border-color:rgba(91,140,255,.5);backdrop-filter:blur(2px)}
.cur-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:11px;letter-spacing:.14em;color:#fff;opacity:0;transition:opacity .25s;white-space:nowrap}
#cur.view .cur-label{opacity:1}

/* ============================================================
   进度条 + 导航
   ============================================================ */
#progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:800;
  background:var(--grad);box-shadow:0 0 16px rgba(91,140,255,.6)}
#nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:700;
  display:flex;align-items:center;justify-content:space-between;padding:0 40px;
  transition:background .4s,border-color .4s,backdrop-filter .4s;border-bottom:1px solid transparent}
#nav.solid{background:rgba(5,6,10,.72);backdrop-filter:blur(20px) saturate(160%);
  border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:15.5px;letter-spacing:-.01em}
.brand span{display:flex;flex-direction:column;line-height:1.15}
.brand em{font-style:normal;font-size:9.5px;letter-spacing:.26em;color:var(--txt3);font-weight:500}
.nav-links{display:flex;gap:34px}
.nav-links a{font-size:14px;color:var(--txt2);transition:color .3s;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--grad);transition:width .35s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-cta{padding:10px 22px;border-radius:100px;border:1px solid var(--line2);font-size:13.5px;
  background:rgba(255,255,255,.04);transition:.35s var(--ease)}
.nav-cta:hover{background:#fff;color:#08090D;border-color:#fff}
#burger{display:none;background:none;border:0;width:28px;height:20px;position:relative}
#burger i{position:absolute;left:0;width:100%;height:1.5px;background:#fff;transition:.3s}
#burger i:first-child{top:5px}#burger i:last-child{bottom:5px}

/* ============================================================
   01 HERO
   ============================================================ */
#hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-vignette{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 80% 60% at 50% 45%,transparent 30%,rgba(5,6,10,.55) 100%),
             linear-gradient(180deg,rgba(5,6,10,.5) 0%,transparent 22%,transparent 70%,var(--bg) 100%)}
.hero-inner{position:relative;z-index:3;width:100%;max-width:var(--w);margin:0 auto;padding:0 40px}
.hero-tag{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.16em;
  color:var(--txt2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  padding:8px 17px;border-radius:100px;backdrop-filter:blur(10px)}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c4);
  box-shadow:0 0 10px var(--c4);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.7)}}
.hero-title{font-size:clamp(2.4rem,7vw,5.4rem);font-weight:800;letter-spacing:-.045em;
  line-height:1.06;margin:22px 0 30px}
.hero-title .line{display:block}
/* 引导行：恢复最早的大字排版。
   第二行已完全交给粒子，两行分居上下不重叠，所以第一行可以放心做大 */
.hero-title .line:first-child{
  font-size:clamp(2rem,5vw,4.2rem);
  font-weight:700;
  letter-spacing:-.035em;
  color:var(--txt);
  opacity:1;
  margin-bottom:.14em;
  text-shadow:none;
}
/* 粒子即标题：保留布局盒与字体度量供 WebGL 采样，但不绘制任何像素 */
.word-line{
  visibility:hidden;
  width:max-content;max-width:100%;min-height:1.05em;
}
/* WebGL 不可用 / 上下文丢失时，恢复实体字兜底 */
.no-webgl .word-line{
  visibility:visible;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 34px rgba(91,140,255,.35));
  opacity:1;
}
.hero-sub{font-size:clamp(14.5px,1.5vw,17px);color:var(--txt2);max-width:640px;line-height:1.85}
.hero-sub strong{color:#fff;font-weight:600}
.hero-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;margin-top:64px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:26px;max-width:720px}
.hero-stats>div{padding-right:44px;margin-right:44px;border-right:1px solid var(--line)}
.hero-stats>div:last-child{border:0;margin:0;padding:0}
.hero-stats b{display:block;font-size:30px;font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats small{color:var(--txt3);font-size:12px;letter-spacing:.08em}

/* 终端 */
.terminal{position:absolute;right:40px;bottom:56px;z-index:3;width:340px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:rgba(8,10,17,.72);backdrop-filter:blur(16px);
  box-shadow:0 24px 70px rgba(0,0,0,.5)}
.term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
.term-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.16)}
.term-bar i:first-child{background:#FF5F57}.term-bar i:nth-child(2){background:#FEBC2E}.term-bar i:nth-child(3){background:#28C840}
.term-bar span{margin-left:8px;font-size:11px;color:var(--txt3);letter-spacing:.08em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.term-body{padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11.5px;line-height:1.85;color:#7BE3B8;height:132px;overflow:hidden}
.term-body .d{color:var(--txt3)}
.term-body .w{color:#FFD479}
.term-body .b{color:var(--c3)}
.term-body em{font-style:normal;color:#fff}

.scroll-cue{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:10px;letter-spacing:.28em;color:var(--txt3)}
.scroll-cue i{width:1px;height:40px;background:linear-gradient(var(--c1),transparent);
  animation:drop 1.9s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}}

/* ============================================================
   02 TRUST
   ============================================================ */
.trust-label{text-align:center;font-size:12.5px;letter-spacing:.24em;color:var(--txt3);margin-bottom:40px}
.marquee{overflow:hidden;position:relative;padding:8px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.mq-track{display:flex;gap:70px;width:max-content;will-change:transform}
.mq-track span{font-size:clamp(18px,2.4vw,26px);font-weight:700;letter-spacing:-.02em;
  color:rgba(255,255,255,.28);white-space:nowrap;transition:color .4s,text-shadow .4s;cursor:default}
.mq-track span:hover{color:#fff;text-shadow:0 0 30px rgba(91,140,255,.7)}
.trust-note{text-align:center;margin-top:44px;font-size:14px;color:var(--txt3)}
.trust-note span{color:var(--txt);font-weight:600}

/* ============================================================
   03 CAPABILITY
   ============================================================ */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;perspective:1400px}
.cap{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;position:relative;overflow:hidden;
  transition:transform .5s var(--ease),border-color .4s,background .4s;
  transform-style:preserve-3d}
.cap::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(91,140,255,.14),transparent 42%);
  opacity:0;transition:opacity .4s}
.cap:hover::before{opacity:1}
.cap:hover{border-color:var(--line2);background:var(--panel2)}
.cap-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(91,140,255,.22),rgba(168,85,247,.14));
  border:1px solid rgba(255,255,255,.1);color:#C9D9FF;margin-bottom:20px}
.cap-ico svg{width:24px;height:24px}
.cap h3{font-size:19.5px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.cap p{font-size:14px;color:var(--txt2);line-height:1.75}
.cap ul{list-style:none;margin:16px 0 20px}
.cap li{font-size:12.8px;color:var(--txt3);padding:5px 0 5px 18px;position:relative}
.cap li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;
  border-radius:2px;background:var(--c1);opacity:.75}

/* 卡内微 Demo */
.cap-demo{height:96px;border-radius:12px;border:1px solid var(--line);
  background:rgba(0,0,0,.28);overflow:hidden;position:relative;padding:12px}
.demo-browser{height:100%;border-radius:6px;background:rgba(255,255,255,.03);padding:8px}
.demo-browser i{display:inline-block;width:5px;height:5px;border-radius:50%;
  background:rgba(255,255,255,.2);margin-right:4px}
.demo-line{display:block;height:6px;border-radius:3px;background:rgba(255,255,255,.12);margin-top:8px}
.demo-line.w70{width:70%}.demo-line.w60{width:60%}.demo-line.w50{width:50%}.demo-line.w45{width:45%}.demo-line.w90{width:90%}.demo-line.w55{width:55%}
.demo-block{display:block;margin-top:8px;height:26px;border-radius:5px;
  background:linear-gradient(100deg,rgba(91,140,255,.4),rgba(168,85,247,.28));animation:breathe 3s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
.demo-chart{display:flex;align-items:flex-end;gap:7px;height:100%;padding:0 4px}
.demo-chart i{flex:1;border-radius:3px 3px 0 0;height:var(--h);
  background:linear-gradient(180deg,var(--c1),rgba(91,140,255,.15));
  animation:grow 2.4s var(--ease) infinite alternate;transform-origin:bottom}
.demo-chart i:nth-child(2){animation-delay:.15s;background:linear-gradient(180deg,var(--c2),rgba(168,85,247,.15))}
.demo-chart i:nth-child(3){animation-delay:.3s;background:linear-gradient(180deg,var(--c3),rgba(34,211,238,.15))}
.demo-chart i:nth-child(4){animation-delay:.45s}
.demo-chart i:nth-child(5){animation-delay:.6s}
.demo-chart i:nth-child(6){animation-delay:.75s}
@keyframes grow{from{transform:scaleY(.45)}to{transform:scaleY(1)}}
.demo-3d{position:relative;height:100%;display:grid;place-items:center}
.demo-3d i{position:absolute;width:44px;height:44px;border:1px solid var(--c3);
  border-radius:6px;opacity:.75}
.demo-3d i:nth-child(1){animation:d3 5s linear infinite}
.demo-3d i:nth-child(2){animation:d3 5s linear infinite -1.6s;border-color:var(--c2)}
.demo-3d i:nth-child(3){animation:d3 5s linear infinite -3.2s;border-color:var(--c1)}
@keyframes d3{from{transform:rotate(0) scale(.7)}50%{transform:rotate(180deg) scale(1.05)}to{transform:rotate(360deg) scale(.7)}}
.demo-phone{width:44px;margin:0 auto;height:100%;border-radius:7px;
  border:1px solid rgba(255,255,255,.16);padding:9px 7px;background:rgba(255,255,255,.03)}
.demo-table{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;height:100%;align-content:center}
.demo-table i{height:11px;border-radius:3px;background:rgba(255,255,255,.1)}
.demo-table i:nth-child(3n+1){background:rgba(91,140,255,.28)}
.demo-table i:nth-child(5){animation:breathe 2s infinite}
.demo-ai{height:100%;display:flex;flex-direction:column;justify-content:center;gap:7px}
.demo-ai .demo-line{background:linear-gradient(90deg,rgba(34,211,238,.45),transparent);
  animation:ai 2.6s ease-in-out infinite}
.demo-ai .demo-line:nth-child(2){animation-delay:.3s}
.demo-ai .demo-line:nth-child(3){animation-delay:.6s}
@keyframes ai{0%,100%{opacity:.35;transform:translateX(0)}50%{opacity:1;transform:translateX(4px)}}

/* 新增能力 Demo */
.demo-pay{height:100%;display:flex;align-items:center;justify-content:center;gap:10px}
.demo-pay .pay-card{width:42px;height:28px;border-radius:5px;
  background:linear-gradient(120deg,rgba(91,140,255,.55),rgba(34,211,238,.35));
  border:1px solid rgba(255,255,255,.25)}
.demo-pay>i{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--c4);position:relative}
.demo-pay>i::after{content:"";position:absolute;left:4px;top:5px;width:6px;height:3px;border-left:1.5px solid var(--c4);border-bottom:1.5px solid var(--c4);transform:rotate(-45deg)}

.demo-member{height:100%;display:flex;flex-direction:column;justify-content:center;gap:7px;align-items:center}
.demo-member i{height:6px;border-radius:3px;background:rgba(255,255,255,.1)}
.demo-member i:first-child{width:26px;background:linear-gradient(90deg,var(--c1),var(--c2));animation:mem 2.2s ease-in-out infinite}
.demo-member i:nth-child(2){width:34px;background:linear-gradient(90deg,var(--c2),var(--c3));animation:mem 2.2s ease-in-out infinite .25s}
.demo-member i:nth-child(3){width:20px;background:linear-gradient(90deg,var(--c3),var(--c4));animation:mem 2.2s ease-in-out infinite .5s}
.demo-member span{width:0;height:0;border-left:11px solid transparent;border-right:11px solid transparent;
  border-bottom:11px solid rgba(255,212,121,.6);margin-top:2px;filter:drop-shadow(0 0 8px rgba(255,212,121,.4))}
@keyframes mem{0%,100%{opacity:.45;transform:scaleX(.9)}50%{opacity:1;transform:scaleX(1)}}

.demo-data{height:100%;display:flex;align-items:center;justify-content:center}
.demo-data svg{width:52px;height:52px}

.demo-chat{height:100%;display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0 8px}
.demo-chat>i{display:flex;gap:3px;align-items:center;padding:6px 10px;border-radius:10px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);width:max-content}
.demo-chat>i::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--txt3)}
.demo-chat>i::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--txt3);margin-left:4px;box-shadow:9px 0 0 var(--txt3)}
.demo-chat>i:first-child{align-self:flex-end}
.demo-chat>i:nth-child(2){align-self:flex-start}
.demo-chat>span{align-self:center;width:22px;height:10px;border-radius:5px;
  background:linear-gradient(90deg,var(--c1),var(--c2));animation:breathe 1.8s infinite}

/* ============================================================
   04 STACK / ORBIT
   ============================================================ */
.orbit-stage{position:relative;height:520px;margin:20px 0 40px;
  perspective:1200px;touch-action:pan-y;overflow:hidden}
.orbit{position:absolute;left:50%;top:50%;width:380px;height:380px;
  margin:-190px 0 0 -190px;transform-style:preserve-3d;
  transition:transform .12s linear}
.orbit-core{position:absolute;left:50%;top:50%;width:96px;height:96px;margin:-48px 0 0 -48px;
  border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 35% 30%,rgba(91,140,255,.5),rgba(168,85,247,.18) 60%,transparent);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 0 70px rgba(91,140,255,.35);font-size:9.5px;letter-spacing:.2em;color:#fff}
.orbit-core::after{content:"";position:absolute;inset:-14px;border-radius:50%;
  border:1px dashed rgba(255,255,255,.14);animation:spin 18s linear infinite}
.ring{position:absolute;left:50%;top:50%;transform-style:preserve-3d;border-radius:50%;
  border:1px solid rgba(255,255,255,.07)}
.node-3d{position:absolute;left:50%;top:50%;padding:8px 14px;border-radius:100px;
  background:rgba(10,13,22,.85);border:1px solid var(--line2);
  font-size:12.5px;white-space:nowrap;backdrop-filter:blur(6px);
  transform:translate(-50%,-50%);transition:.3s var(--ease);cursor:pointer}
.node-3d:hover{border-color:var(--c1);background:rgba(91,140,255,.2);
  color:#fff;box-shadow:0 0 26px rgba(91,140,255,.4)}
.node-3d.on{border-color:var(--c3);background:rgba(34,211,238,.16);color:#fff}
.orbit-hint{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);
  font-size:11px;letter-spacing:.2em;color:var(--txt3)}
.stack-panel{border:1px solid var(--line);border-radius:var(--r);padding:28px 30px;
  background:var(--panel);max-width:760px;margin:0 auto}
.sp-title{font-size:12px;letter-spacing:.2em;color:var(--c3);margin-bottom:12px}
.stack-panel p{font-size:15px;color:var(--txt2);min-height:52px;transition:.3s}
.sp-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.sp-tags span{font-size:12.5px;padding:6px 13px;border-radius:100px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--txt2)}

/* ============================================================
   05 WORK / 横向长廊
   ============================================================ */
.work-sec{border-top:1px solid var(--line);position:relative;padding:0}
.work-sticky{position:sticky;top:0;height:100vh;height:100svh;
  display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:40px 0 32px}
.work-sticky .sec-head{margin-bottom:26px}
.work-sticky h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
.work-sticky .sec-desc{margin-top:12px;font-size:14.5px}
.hscroll{position:relative;margin-top:6px}
.hscroll-track{display:flex;gap:26px;padding:0 40px;width:max-content;will-change:transform}
.case{width:min(520px,76vw);flex-shrink:0;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;background:var(--panel);
  transition:border-color .4s,transform .6s var(--ease)}
.case:hover{border-color:var(--line2)}
.case-vis{height:clamp(170px,25vh,280px);position:relative;overflow:hidden;
  display:grid;place-items:center;border-bottom:1px solid var(--line)}
.case-vis::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(5,6,10,.6))}
/* 真实 Demo 截图（第 11 轮替换掉原先一眼假的 CSS 占位 mock） */
.case-vis>img{width:100%;height:100%;object-fit:cover;object-position:top center;
  display:block;transition:transform .8s var(--ease)}
.case:hover .case-vis>img{transform:scale(1.04)}
.case-badge{position:absolute;left:14px;top:14px;z-index:2;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  padding:6px 11px;border-radius:100px;color:var(--txt);
  background:rgba(5,6,10,.66);border:1px solid var(--line2);
  backdrop-filter:blur(6px)}

.case-tech{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.case-tech li{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;
  color:var(--txt2);padding:5px 10px;border-radius:5px;
  border:1px solid var(--line);background:rgba(255,255,255,.03)}
.case-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--c3)}
.case-link span{transition:transform .35s var(--ease)}
.case-link:hover span{transform:translateX(5px)}
.case-link:hover{color:var(--c1)}

/* 末尾「你的项目」卡片 */
.case-cta{background:linear-gradient(160deg,rgba(91,140,255,.07),transparent 55%),var(--panel)}
.case-vis-empty{display:grid;place-items:center;
  background:radial-gradient(circle at 50% 50%,rgba(91,140,255,.12),transparent 62%)}
.cta-mark{font-size:52px;font-weight:200;color:var(--line2);line-height:1}

.case-meta{padding:22px 26px 24px}
.case-tag{font-size:11.5px;letter-spacing:.16em;color:var(--c3);margin-bottom:8px}
.case-meta h3{font-size:22px;font-weight:700;letter-spacing:-.03em;margin-bottom:8px}
.case-meta p{font-size:13.8px;color:var(--txt2);margin-bottom:18px;line-height:1.7}
.case-data{display:flex;gap:30px;border-top:1px solid var(--line);padding-top:16px}
.case-data div b{display:block;font-size:20px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-data div small{font-size:11.5px;color:var(--txt3);letter-spacing:.06em}
.hscroll-bar{max-width:var(--w);margin:22px auto 0;height:2px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden}
.hscroll-bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:2px}

/* ============================================================
   06 PROCESS
   ============================================================ */
.proc-wrap{position:relative;height:420px}
.proc-svg{position:absolute;inset:0;width:100%;height:100%}
#procPathDraw{stroke-dasharray:1400;stroke-dashoffset:1400}
.proc-nodes{position:relative;height:100%}
.pnode{position:absolute;bottom:52%;transform:translateX(-50%);width:130px;text-align:center}
.pnode.down{bottom:auto;top:56%}
.pnode b{display:inline-block;font-size:11px;letter-spacing:.14em;color:var(--c1);
  border:1px solid rgba(91,140,255,.35);background:rgba(91,140,255,.12);
  padding:3px 9px;border-radius:100px;margin-bottom:10px}
.pnode h4{font-size:16px;font-weight:700;margin-bottom:6px;letter-spacing:-.02em}
.pnode p{font-size:12.5px;color:var(--txt3);line-height:1.65}
.pnode .pd{display:inline-block;margin-top:9px;font-size:11px;color:var(--txt2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);padding:3px 10px;border-radius:6px}
.pnode::before{content:"";position:absolute;left:50%;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:1.5px solid rgba(255,255,255,.22);
  transform:translateX(-50%);transition:.4s var(--ease)}
.pnode:not(.down)::before{bottom:-58px}
.pnode.down::before{top:-58px}
.pnode.on::before{border-color:var(--c1);background:var(--c1);box-shadow:0 0 0 5px rgba(91,140,255,.18),0 0 22px rgba(91,140,255,.7)}
.pnode.on h4{color:#fff}

/* ============================================================
   07 PROOF
   ============================================================ */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:36px}
.proof-num{border:1px solid var(--line);border-radius:var(--r);padding:32px 26px;
  background:var(--panel);position:relative;overflow:hidden}
.proof-num::after{content:"";position:absolute;left:0;top:0;width:100%;height:1px;
  background:var(--grad);opacity:.5}
.proof-num b{display:block;font-size:clamp(2.2rem,4.4vw,3.4rem);font-weight:800;
  letter-spacing:-.045em;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.proof-num span{display:block;margin-top:12px;font-size:13px;color:var(--txt3);letter-spacing:.06em}

.perf-panel{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--panel)}
.perf-head{display:flex;align-items:center;gap:10px;padding:16px 26px;
  border-bottom:1px solid var(--line);font-size:12.5px;color:var(--txt3);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.perf-head b{color:var(--txt2);font-weight:500}
.perf-head .dot{width:7px;height:7px;border-radius:50%;background:var(--c4);
  box-shadow:0 0 10px var(--c4);animation:pulse 2s infinite}
.perf-body{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:36px}
.perf-gauges{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gauge{text-align:center;position:relative}
.gauge svg{width:100%;max-width:110px;margin:0 auto}
.gauge .gc{transition:stroke-dashoffset 1.6s var(--ease)}
.gauge b{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  font-size:22px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.gauge small{display:block;margin-top:8px;font-size:11.5px;color:var(--txt3);letter-spacing:.08em}
.perf-cwv{display:flex;flex-direction:column;justify-content:center;gap:18px}
.cwv-row{display:grid;grid-template-columns:150px 1fr 62px;align-items:center;gap:16px;font-size:13.5px}
.cwv-row span{color:var(--txt2)}
.cwv-bar{height:6px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden}
.cwv-bar i{display:block;height:100%;width:0;background:var(--c);border-radius:4px;
  transition:width 1.3s var(--ease)}
.cwv-row b{text-align:right;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c4)}

/* ============================================================
/* 08 TEAM —— 已于第 11 轮整节移除（人物与资质均非真实信息） */

/* ============================================================
   09 TESTIMONIAL
   ============================================================ */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tcard{border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;
  background:var(--panel);position:relative;transition:.4s var(--ease)}
.tcard:hover{transform:translateY(-5px);border-color:var(--line2);background:var(--panel2)}
.tcard::before{content:"\201C";position:absolute;top:14px;right:24px;font-size:64px;
  line-height:1;color:rgba(255,255,255,.07);font-family:Georgia,serif}
.tcard p{font-size:15px;line-height:1.85;color:var(--txt);margin-bottom:26px;position:relative}
.tcard footer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:20px}
.tav{width:40px;height:40px;border-radius:50%;flex-shrink:0}
.tav.t1{background:linear-gradient(140deg,#5B8CFF,#A855F7)}
.tav.t2{background:linear-gradient(140deg,#FF6B9E,#A855F7)}
.tav.t3{background:linear-gradient(140deg,#5BE9B9,#22D3EE)}
.tcard footer b{display:block;font-size:14px;font-weight:700}
.tcard footer span{font-size:12px;color:var(--txt3)}

/* ============================================================
   10 QUOTE
   ============================================================ */
.quote-box{display:grid;grid-template-columns:1fr 380px;gap:30px;align-items:start}
.q-options{display:flex;flex-direction:column;gap:26px}
.q-label{font-size:12px;letter-spacing:.16em;color:var(--txt3);margin-bottom:12px}
.q-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.q-opts.multi{grid-template-columns:repeat(3,1fr)}
.q-opt{padding:14px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.025);text-align:left;cursor:pointer;
  transition:.3s var(--ease);position:relative;overflow:hidden}
.q-opt em{display:block;font-style:normal;font-size:11.5px;color:var(--txt3);margin-top:3px}
.q-opt:hover{border-color:var(--line2);background:rgba(255,255,255,.05)}
.q-opt.on{border-color:rgba(91,140,255,.55);background:rgba(91,140,255,.14);color:#fff}
.q-opt.on em{color:#9FBBFF}
.q-opt.on::after{content:"";position:absolute;top:10px;right:10px;width:6px;height:6px;
  border-radius:50%;background:var(--c1);box-shadow:0 0 10px var(--c1)}

.q-result{position:sticky;top:100px}
.qr-sticky{border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  background:linear-gradient(170deg,rgba(91,140,255,.12),rgba(255,255,255,.025) 55%);
  position:relative;overflow:hidden}
.qr-sticky::before{content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
  border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.35),transparent 65%);filter:blur(30px)}
.qr-head{font-size:12px;letter-spacing:.2em;color:var(--txt3);margin-bottom:8px}
.qr-scene{font-size:24px;font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.qr-desc{font-size:14px;color:var(--txt2);line-height:1.75;margin-bottom:18px}
.qr-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.qr-tags span{font-size:11.5px;padding:6px 13px;border-radius:100px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--txt2)}
.qr-amt{display:none}
.qr-sub{display:none}
.qr-lines{margin:22px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:10px;min-height:80px}
.ql{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--txt2);
  animation:qlIn .4s var(--ease);line-height:1.5}
.ql b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums;text-align:right;max-width:58%}
.ql.acc b{color:var(--c4)}
@keyframes qlIn{from{opacity:0;transform:translateX(-6px)}}
.qr-note{display:flex;gap:8px;font-size:11.5px;color:var(--txt3);line-height:1.6;margin-bottom:18px}
.qr-note svg{flex-shrink:0;margin-top:2px;color:var(--txt3)}
.qr-sticky .btn+.btn{margin-top:10px}

/* ============================================================
   11 CTA
   ============================================================ */
.cta-box{position:relative;border:1px solid rgba(255,255,255,.14);border-radius:32px;
  padding:70px 56px 60px;text-align:center;overflow:hidden;
  background:linear-gradient(150deg,rgba(91,140,255,.14),rgba(168,85,247,.08) 45%,rgba(34,211,238,.08))}
.cta-glow{position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:520px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,140,255,.4),transparent 65%);filter:blur(60px)}
.cta-box h2{position:relative;margin-bottom:18px}
.cta-box>p{position:relative;color:var(--txt2);max-width:560px;margin:0 auto;font-size:15.5px}
.cta-form{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  max-width:900px;margin:44px auto 0}
.fld{position:relative}
.fld input,.fld select{width:100%;padding:17px 18px 15px;border-radius:12px;
  background:rgba(6,8,14,.6);border:1px solid var(--line);font-size:14.5px;
  transition:.3s;outline:none}
.fld select{appearance:none;cursor:pointer}
.fld input:focus,.fld select:focus{border-color:var(--c1);background:rgba(6,8,14,.9);
  box-shadow:0 0 0 3px rgba(91,140,255,.14)}
.fld input::placeholder{color:var(--txt3)}
.fld label{position:absolute;left:18px;top:-8px;font-size:10.5px;letter-spacing:.14em;
  color:var(--txt3);background:#0B0E18;padding:0 6px;border-radius:4px}
.fld.err input{border-color:#E24B4A}
.cta-form .btn{grid-column:1/-1;max-width:320px;margin:6px auto 0}
.form-msg{grid-column:1/-1;font-size:13.5px;min-height:22px;color:var(--c4)}
.form-msg.err{color:#FF8A8A}
.cta-contact{position:relative;display:flex;justify-content:center;gap:30px;flex-wrap:wrap;
  margin-top:30px;font-size:13px;color:var(--txt3)}

/* ============================================================
   FOOTER
   ============================================================ */
#foot{border-top:1px solid var(--line);padding:70px 0 34px;background:var(--bg2)}
.foot-top{display:grid;grid-template-columns:1.4fr 2fr;gap:50px;padding-bottom:44px}
.foot-brand p{margin-top:18px;font-size:13.5px;color:var(--txt3);line-height:1.8}
.foot-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-links h5{font-size:12px;letter-spacing:.18em;color:var(--txt3);margin-bottom:14px;font-weight:600}
.foot-links a{display:block;font-size:13.5px;color:var(--txt2);padding:5px 0;transition:.3s}
.foot-links a:hover{color:#fff;transform:translateX(3px)}
.foot-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line);font-size:12px;color:var(--txt3)}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:1100px){
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .quote-box{grid-template-columns:1fr}
  .q-result{position:static}
  .foot-top{grid-template-columns:1fr;gap:36px}
  .terminal{display:none}
}
@media(max-width:860px){
  .wrap,.hero-inner{padding:0 22px}
  #nav{padding:0 22px}
  .nav-links{display:none}
  #burger{display:block}
  #nav.open .nav-links{display:flex;position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;gap:0;background:rgba(5,6,10,.97);backdrop-filter:blur(20px);
    padding:20px 22px 30px;border-bottom:1px solid var(--line)}
  #nav.open .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-cta{display:none}
  .pad{padding:90px 0}
  .work-sec{border-top:1px solid var(--line);padding:90px 0;overflow:clip}
  .work-sticky{position:static;height:auto;overflow:visible;padding:0}
  .work-sticky .sec-head{margin-bottom:36px}
  .hscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;
    scroll-snap-type:x mandatory;padding-bottom:14px}
  .case{scroll-snap-align:center}
  .hscroll-track{padding:0 22px}
  .pad-sm{padding:64px 0}
  .cap-grid,.tgrid,.proof-grid{grid-template-columns:1fr}
  .proc-wrap{height:auto;overflow-x:auto;padding-bottom:10px}
  .proc-svg{display:none}
  .proc-nodes{display:flex;gap:16px;width:max-content;padding:0 4px}
  .pnode{position:static;transform:none;width:150px;flex-shrink:0;
    border:1px solid var(--line);border-radius:14px;padding:20px 16px;background:var(--panel)}
  .pnode.down{top:auto}
  .pnode::before,.pnode.down::before{display:none}
  .perf-body{grid-template-columns:1fr;gap:34px}
  .perf-gauges{grid-template-columns:repeat(2,1fr)}
  .cta-form{grid-template-columns:1fr 1fr}
  .cta-box{padding:48px 24px 44px;border-radius:24px}
  .q-opts,.q-opts.multi{grid-template-columns:1fr 1fr}
  .hero-stats>div{padding-right:22px;margin-right:22px}
  .hero-stats b{font-size:24px}
  .orbit-stage{height:400px}
  .orbit{width:280px;height:280px;margin:-140px 0 0 -140px}
  .case{width:86vw}
  .case-vis{height:230px}
  .foot-links{grid-template-columns:1fr 1fr}
  .cwv-row{grid-template-columns:110px 1fr 52px;gap:10px;font-size:12.5px}
}
@media(max-width:520px){
  .q-opts,.q-opts.multi{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .foot-links{grid-template-columns:1fr}
  .case-data{gap:20px}
  .qr-amt b{font-size:36px}
}

/* 降低动效偏好 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .rv{opacity:1;transform:none}
}

/* ============================================================
   04.5 SHADER LAB（可交互着色器实验室）
   ============================================================ */
.lab-sec{border-top:0}  /* 由 .pad 统一提供分割线 */
/* minmax(0,...) 必须写：fr 轨道的自动最小值是 min-content，
   右侧 <pre> 的长代码行会把左列挤扁（实测从 635px 缩到 501px） */
.lab{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:26px;align-items:start}
.lab-stage,.lab-side{min-width:0}
.lab-stage{display:flex;flex-direction:column;gap:18px}
.lab-canvas-wrap{position:relative;aspect-ratio:16/10;min-height:300px;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#05060A}
#slCanvas{display:block;width:100%;height:100%}
.lab-hud{position:absolute;left:16px;right:16px;top:14px;display:flex;
  justify-content:space-between;align-items:center;pointer-events:none;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--txt3)}
.lab-hud b{color:var(--txt2);font-weight:600}
.hud-tag{display:inline-flex;align-items:center;gap:7px;color:var(--c3)}
.hud-tag i{width:6px;height:6px;border-radius:50%;background:var(--c4);
  box-shadow:0 0 8px var(--c4);animation:breathe 2.2s infinite}
.lab-fallback{border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 30px;background:var(--panel);text-align:center}
.lab-fallback b{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;color:var(--txt3)}
.lab-fallback p{font-size:13.5px;color:var(--txt2);margin-top:10px}

.lab-ctrl{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;
  border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;background:var(--panel)}
.lab-ctrl label{display:block}
.lab-ctrl label>span{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;
  font-size:12.5px;font-weight:600;margin-bottom:10px}
.lab-ctrl label s{text-decoration:none;font-size:11px;color:var(--txt3);font-weight:400;flex:1}
.lab-ctrl label b{font-family:var(--mono);font-size:12px;color:var(--c3);font-weight:600}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;
  background:var(--line2);border-radius:2px;outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;
  width:15px;height:15px;border-radius:50%;background:var(--c1);
  border:2px solid var(--bg);box-shadow:0 0 0 1px var(--c1),0 0 12px rgba(91,140,255,.5);
  cursor:pointer;transition:transform .2s var(--ease)}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.18)}
input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;
  background:var(--c1);border:2px solid var(--bg);box-shadow:0 0 0 1px var(--c1);cursor:pointer}
input[type=range]:focus-visible{box-shadow:0 0 0 3px rgba(91,140,255,.28)}

.lab-side{display:flex;flex-direction:column;gap:18px}
.lab-code{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#080A0F}
.lab-code-head{display:flex;justify-content:space-between;align-items:center;
  padding:11px 16px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--txt3)}
.lab-code-head .live{display:inline-flex;align-items:center;gap:7px;color:var(--c4)}
.lab-code-head .live i{width:6px;height:6px;border-radius:50%;background:var(--c4);
  box-shadow:0 0 8px var(--c4);animation:breathe 1.8s infinite}
.lab-code pre{max-height:520px;overflow:auto;padding:18px 18px 22px;margin:0}
.lab-code pre::-webkit-scrollbar{width:8px;height:8px}
.lab-code pre::-webkit-scrollbar-thumb{background:var(--line2);border-radius:4px}
.lab-code code{font-family:var(--mono);font-size:11.8px;line-height:1.85;
  color:var(--txt2);white-space:pre;display:block}
.lab-note{font-size:12.8px;color:var(--txt3);line-height:1.85}
.lab-note b{color:var(--txt2);font-family:var(--mono)}
.lab-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lab-facts>div{background:var(--bg);padding:16px 12px;text-align:center}
.lab-facts b{display:block;font-family:var(--mono);font-size:18px;font-weight:700;color:var(--c1)}
.lab-facts small{font-size:11px;color:var(--txt3)}

@media(max-width:1000px){
  .lab{grid-template-columns:1fr}
  .lab-code pre{max-height:330px}
}
@media(max-width:640px){
  .lab-ctrl{grid-template-columns:1fr;gap:14px}
  .lab-canvas-wrap{min-height:210px}
  .lab-code code{font-size:11px}
  .lab-hud{font-size:9.5px;left:12px;right:12px}
}