/* ============================================================
   文旭彩钢厂 · 企业官网
   深蓝工业风 / 玻璃拟态 / 3D 展示
   ============================================================ */

:root{
  color-scheme:dark;
  --ink:#050c18;
  --ink-2:#07122380;
  --deep:#060f1d;
  --deep-2:#08182b;
  --deep-3:#0a1f38;

  --blue:#3f8cff;
  --blue-2:#2f6fe0;
  --blue-soft:#7fc4ff;
  --cyan:#35d6e8;
  --gold:#e8b45a;

  --text:#dde9f8;
  --text-2:#a9bed8;
  --muted:#8299b6;

  --line:rgba(122,176,255,.13);
  --line-2:rgba(122,176,255,.22);

  --glass:rgba(10,26,46,.55);
  --glass-2:rgba(13,33,58,.72);

  --grad:linear-gradient(102deg,#8fd0ff 0%,#4f9dff 42%,#35d6e8 100%);
  --grad-btn:linear-gradient(135deg,#2f7fe8 0%,#3f8cff 50%,#2ac7e0 100%);

  --r-sm:10px;
  --r:16px;
  --r-lg:22px;

  --shadow:0 30px 80px -40px rgba(0,0,0,.9);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SF Mono","JetBrains Mono",Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  background:var(--deep);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(1100px 700px at 78% -8%,rgba(47,127,232,.20),transparent 62%),
    radial-gradient(900px 620px at 4% 22%,rgba(53,214,232,.09),transparent 60%),
    radial-gradient(1200px 800px at 50% 108%,rgba(30,90,180,.16),transparent 65%);
  pointer-events:none;z-index:0;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
::selection{background:rgba(63,140,255,.32);color:#fff}

/* 背景噪点 */
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.32;
  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='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

.cursor-glow{
  position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(63,140,255,.10),transparent 66%);
  transform:translate(-50%,-50%);left:-999px;top:-999px;
  transition:opacity .4s ease;
}

/* ================= 通用 ================= */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;position:relative;z-index:2}

.section{padding:118px 0;position:relative;z-index:2}
main section[id]{scroll-margin-top:88px}
.section--alt{background:linear-gradient(180deg,rgba(8,24,43,.72),rgba(6,15,29,.2) 55%,rgba(8,24,43,.72));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--alt::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(122,176,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(122,176,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(60% 60% at 50% 40%,#000,transparent 85%);
}

.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:56px}
.section__head--center{flex-direction:column;align-items:center;text-align:center;gap:14px}
.section__sub{max-width:420px;color:var(--muted);font-size:14.5px;line-height:1.9}
.section__head--center .section__sub{max-width:600px}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;
  color:var(--blue-soft);text-transform:uppercase;margin-bottom:22px;
}
.eyebrow__dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,214,232,.12),0 0 14px var(--cyan);
}

.h2{
  font-size:clamp(30px,3.5vw,46px);
  line-height:1.28;font-weight:700;letter-spacing:-.02em;
  color:#f2f7ff;
}
.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

.lead{font-size:16.5px;color:#b9cbe4;line-height:1.95}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:14.5px;font-weight:600;letter-spacing:.02em;
  position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,background .3s,border-color .3s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;transition:transform .3s}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg{transform:translateX(3px)}

.btn--primary{
  background:var(--grad-btn);color:#04101f;
  box-shadow:0 14px 34px -14px rgba(63,140,255,.85),inset 0 1px 0 rgba(255,255,255,.4);
  font-weight:700;
}
.btn--primary::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.55) 50%,transparent 80%);
  transform:translateX(-120%);transition:transform .7s ease;
}
.btn--primary:hover::after{transform:translateX(120%)}
.btn--primary:hover{box-shadow:0 20px 46px -14px rgba(63,140,255,.95),inset 0 1px 0 rgba(255,255,255,.5)}

.btn--ghost{
  border:1px solid var(--line-2);color:#d5e6ff;
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(8px);
}
.btn--ghost:hover{border-color:rgba(122,176,255,.5);background:rgba(63,140,255,.10)}

.btn--sm{height:42px;padding:0 20px;font-size:13px}
.btn--block{width:100%}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .85s cubic-bezier(.2,.8,.2,1),transform .85s cubic-bezier(.2,.8,.2,1)}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
.reveal[data-delay="3"]{transition-delay:.27s}
.reveal[data-delay="4"]{transition-delay:.36s}
.reveal[data-delay="5"]{transition-delay:.45s}
.reveal.is-in{opacity:1;transform:none}

/* ================= 导航 ================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s,border-color .4s,backdrop-filter .4s,padding .4s;
  border-bottom:1px solid transparent;
}
.nav__inner{
  max-width:1360px;margin:0 auto;padding:20px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  transition:padding .4s;
}
.nav.is-stuck{
  background:rgba(5,13,25,.82);
  backdrop-filter:blur(18px) saturate(1.4);
  border-bottom-color:var(--line);
  box-shadow:0 18px 50px -30px rgba(0,0,0,.9);
}
.nav.is-stuck .nav__inner{padding:13px 32px}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand__mark{width:38px;height:38px;color:var(--blue);display:block}
.brand__mark svg{width:100%;height:100%}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:17.5px;font-weight:700;letter-spacing:.06em;color:#eef6ff}
.brand__text em{
  font-style:normal;font-family:var(--mono);font-size:8.5px;
  letter-spacing:.19em;color:var(--muted);margin-top:3px;
}

.nav__links{display:flex;align-items:center;gap:6px}
.nav__links a{
  position:relative;padding:9px 13px;font-size:14px;color:var(--text-2);
  border-radius:8px;transition:color .25s,background .25s;
}
.nav__links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1.5px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s;
  border-radius:2px;
}
.nav__links a:hover{color:#fff}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__links a.is-active{color:#fff}

.nav__actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav__tel{
  display:flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:13.5px;font-weight:600;color:#cfe3ff;letter-spacing:.04em;
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  transition:border-color .3s,color .3s,background .3s;
}
.nav__tel svg{width:15px;height:15px;color:var(--cyan)}
.nav__tel:hover{border-color:var(--line-2);background:rgba(63,140,255,.09);color:#fff}

.nav__burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center;border:1px solid var(--line);border-radius:10px}
.nav__burger span{display:block;width:18px;height:1.6px;background:#cfe3ff;border-radius:2px;transition:.3s}
.nav__burger.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav__burger.is-open span:nth-child(2){opacity:0}
.nav__burger.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ================= 首屏 ================= */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:150px 0 70px;overflow:hidden;z-index:2;
}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.orb--1{width:620px;height:620px;background:radial-gradient(circle,rgba(45,120,235,.55),transparent 68%);top:-160px;right:-110px;animation:float1 16s ease-in-out infinite}
.orb--2{width:460px;height:460px;background:radial-gradient(circle,rgba(53,214,232,.34),transparent 70%);bottom:-140px;left:-120px;animation:float2 20s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-40px,50px,0)}}
@keyframes float2{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(50px,-40px,0)}}

.grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(122,176,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(122,176,255,.055) 1px,transparent 1px);
  background-size:78px 78px;
  mask-image:radial-gradient(85% 75% at 50% 45%,#000 10%,transparent 78%);
}

.hero__inner{
  max-width:1340px;width:100%;margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:36px;
  position:relative;z-index:2;
}
.hero__title{
  font-size:clamp(34px,4.05vw,58px);
  line-height:1.16;font-weight:800;letter-spacing:-.028em;
  color:#f4f9ff;margin-bottom:26px;
}
.hero__title .grad{display:inline-block;padding-bottom:6px}
.hero__desc{max-width:560px;color:#a9bfd9;font-size:16px;line-height:1.95;margin-bottom:36px}
.hero__desc b{color:#d8e9ff;font-weight:600}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero__points{display:flex;flex-wrap:wrap;gap:24px;font-size:13.5px;color:var(--muted)}
.hero__points li{display:flex;align-items:center;gap:9px}
.hero__points i{
  width:5px;height:5px;background:var(--cyan);border-radius:50%;
  box-shadow:0 0 10px var(--cyan);flex-shrink:0;
}

/* 3D 舞台 */
.hero__stage{position:relative}
.stage{
  position:relative;width:100%;aspect-ratio:1/.88;min-height:420px;
  border-radius:var(--r);
}
.stage::before{
  content:"";position:absolute;inset:-6% -10%;
  background:radial-gradient(48% 48% at 52% 46%,rgba(46,124,240,.22),rgba(46,124,240,.06) 55%,transparent 76%);
  z-index:0;pointer-events:none;
}
.stage__aura{
  position:absolute;left:50%;bottom:8%;width:70%;height:16%;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(63,140,255,.38),transparent 70%);
  filter:blur(26px);z-index:0;
}
#scene3d{
  position:relative;z-index:1;width:100%;height:100%;display:block;
  cursor:grab;touch-action:pan-y;
  -webkit-mask-image:radial-gradient(76% 74% at 50% 48%,#000 62%,transparent 100%);
  mask-image:radial-gradient(76% 74% at 50% 48%,#000 62%,transparent 100%);
}
#scene3d:active{cursor:grabbing}

.stage__badge{
  position:absolute;top:8%;left:0;z-index:3;
  padding:9px 14px;border-radius:10px;
  background:rgba(6,18,34,.66);border:1px solid var(--line);
  backdrop-filter:blur(12px);
  display:flex;flex-direction:column;gap:2px;
}
.stage__badge-k{font-family:var(--mono);font-size:8.5px;letter-spacing:.2em;color:var(--muted)}
.stage__badge-v{font-size:12.5px;font-weight:600;color:#d6e8ff}

.stage__hint{
  position:absolute;bottom:6%;left:0;z-index:3;
  display:flex;align-items:center;gap:7px;
  font-size:11.5px;color:var(--muted);letter-spacing:.06em;
  background:rgba(6,18,34,.5);padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);backdrop-filter:blur(10px);
}
.stage__hint svg{width:14px;height:14px;color:var(--cyan)}

.stage__tools{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:9px;z-index:4;
}
.stage__tool{
  width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line);background:rgba(6,18,34,.6);
  backdrop-filter:blur(12px);
  display:grid;place-items:center;color:#9fb8d6;
  transition:.28s;
}
.stage__tool svg{width:17px;height:17px}
.stage__tool:hover{border-color:var(--line-2);color:#fff;background:rgba(63,140,255,.16);transform:translateX(-2px)}
.stage__tool.is-on{color:var(--cyan);border-color:rgba(53,214,232,.42);box-shadow:0 0 0 1px rgba(53,214,232,.14),0 0 22px -6px rgba(53,214,232,.5)}

.stage__meta{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:6px;padding-top:20px;border-top:1px solid var(--line);
}
.stage__meta div{display:flex;flex-direction:column;gap:4px}
.stage__meta span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.stage__meta b{font-size:12.8px;font-weight:600;color:#cfe2fb}

.hero__scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--mono);font-size:9px;letter-spacing:.34em;color:#5f7593;z-index:3;
}
.hero__scroll span{
  width:1px;height:44px;background:linear-gradient(180deg,rgba(63,140,255,.9),transparent);
  animation:scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* Three.js 不可用时的静态展示 */
.stage__fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:3;padding:14px;text-align:center}
.stage__fallback[hidden]{display:none}
.stage__fallback img{width:100%;height:100%;object-fit:cover;border-radius:14px;opacity:.96}
.stage__fallback span{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);white-space:nowrap;font-size:12px;color:#eaf5ff;background:rgba(10,28,48,.82);padding:7px 14px;border-radius:999px;backdrop-filter:blur(6px)}
.stage.is-fallback .stage__hint{display:none}

/* ================= 数据条 ================= */
.stats{
  position:relative;z-index:3;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,26,46,.85),rgba(6,15,29,.6));
  backdrop-filter:blur(10px);
}
.stats__inner{
  max-width:1320px;margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:repeat(5,1fr);
}
.stat{
  padding:34px 22px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;position:relative;
}
.stat:last-child{border-right:0}
.stat b{
  font-size:clamp(28px,2.8vw,38px);font-weight:700;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-variant-numeric:tabular-nums;line-height:1;
}
.stat span{font-size:12.5px;color:var(--muted);letter-spacing:.04em}

/* ================= 关于 ================= */
.about{display:grid;grid-template-columns:.92fr 1.08fr;gap:72px;align-items:center}
.about__media{position:relative}
.media-card{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(14,34,58,.86),rgba(7,18,33,.9));
  overflow:hidden;box-shadow:var(--shadow);
  position:relative;
}
.media-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 60% at 70% 0%,rgba(63,140,255,.20),transparent 65%);
}
.media-card__scene{padding:38px 30px;display:flex;flex-direction:column;gap:10px;position:relative}
.slice__label{
  position:absolute;right:22px;bottom:14px;
  font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:#54709a;
}
.slice{
  position:relative;border-radius:9px;padding:17px 18px;
  border:1px solid rgba(122,176,255,.16);
  background:linear-gradient(100deg,rgba(20,48,80,.9),rgba(11,26,45,.7));
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,background .4s;
  cursor:default;
}
.slice::after{
  content:"";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:44px;height:1px;background:linear-gradient(90deg,transparent,rgba(53,214,232,.8));
}
.slice span{font-size:12px;color:#a7c1de;letter-spacing:.02em}
.slice--roof{background:linear-gradient(100deg,rgba(28,66,108,.95),rgba(12,30,52,.7))}
.slice--wall{background:linear-gradient(100deg,rgba(22,58,98,.95),rgba(11,28,48,.7))}
.slice--frame{background:linear-gradient(100deg,rgba(18,48,82,.95),rgba(10,24,42,.7))}
.slice--floor{background:linear-gradient(100deg,rgba(15,40,70,.95),rgba(9,20,36,.7))}
.slice:hover{transform:translateX(7px);border-color:rgba(53,214,232,.45);background:linear-gradient(100deg,rgba(35,88,150,.95),rgba(14,36,62,.8))}

.media-card__foot{
  display:flex;justify-content:space-between;align-items:center;
  padding:15px 22px;border-top:1px solid var(--line);
  font-size:11.5px;color:var(--muted);letter-spacing:.06em;
  background:rgba(5,14,26,.5);
}
.media-card__tag{
  padding:4px 10px;border-radius:999px;
  background:rgba(53,214,232,.12);color:#7fe6f2;
  border:1px solid rgba(53,214,232,.25);font-size:10.5px;
}

.about__body .h2{margin-bottom:22px}
.about__body p{margin-bottom:16px;color:#9db4d0;font-size:15px;line-height:1.95}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px}
.mini{
  padding:20px 20px 18px;border-radius:13px;
  border:1px solid var(--line);background:rgba(11,28,49,.5);
  transition:.35s;position:relative;overflow:hidden;
}
.mini::before{
  content:"";position:absolute;left:0;top:0;width:2px;height:0;
  background:var(--grad);transition:height .4s;
}
.mini:hover{border-color:var(--line-2);background:rgba(15,38,66,.7);transform:translateY(-2px)}
.mini:hover::before{height:100%}
.mini h4{font-size:14.5px;margin-bottom:6px;color:#e3f0ff;font-weight:600}
.mini p{font-size:12.8px;color:#839bb8;line-height:1.8;margin:0}

.about__sign{display:flex;align-items:center;gap:16px;margin-top:34px}
.about__sign-line{width:46px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}
.about__sign b{display:block;font-size:14px;color:#dbe9fb;letter-spacing:.05em}
.about__sign span{font-size:11.5px;color:#6f87a5;letter-spacing:.04em}

/* ================= 产品 ================= */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:34px}
.tab{
  padding:10px 20px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line);color:#94aecb;background:rgba(10,26,46,.5);
  transition:.3s;letter-spacing:.02em;
}
.tab:hover{color:#dcecff;border-color:var(--line-2)}
.tab.is-on{
  background:linear-gradient(135deg,rgba(63,140,255,.24),rgba(53,214,232,.14));
  border-color:rgba(63,140,255,.55);color:#fff;
  box-shadow:0 0 24px -8px rgba(63,140,255,.7);
}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{
  position:relative;padding:26px 24px 22px;border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(13,32,55,.72),rgba(7,18,32,.85));
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .45s cubic-bezier(.2,.8,.2,1),border-color .45s,box-shadow .45s;
}
.pcard::before{
  content:"";position:absolute;top:-60%;right:-40%;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,140,255,.22),transparent 68%);
  opacity:0;transition:opacity .5s;
}
.pcard:hover{transform:translateY(-6px);border-color:rgba(63,140,255,.42);box-shadow:0 30px 60px -34px rgba(20,80,180,.9)}
.pcard:hover::before{opacity:1}
.pcard.is-hidden{display:none}

.pcard__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.pcard__no{font-family:var(--mono);font-size:11px;color:#4b6584;letter-spacing:.12em}
.pcard__badge{
  font-size:10px;padding:3px 9px;border-radius:999px;letter-spacing:.06em;
  background:rgba(63,140,255,.16);color:#8dc2ff;border:1px solid rgba(63,140,255,.3);
}
.pcard__badge--gold{background:rgba(232,180,90,.14);color:#f0c078;border-color:rgba(232,180,90,.32)}

.pcard h3{font-size:17.5px;font-weight:700;color:#eaf3ff;margin-bottom:10px;letter-spacing:-.01em}
.pcard>p{font-size:13px;color:#8ba2be;line-height:1.85;margin-bottom:18px;flex:1}
.pcard__spec{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.pcard__spec li{
  font-size:10.5px;padding:3px 8px;border-radius:5px;
  background:rgba(122,176,255,.07);color:#7f9dbd;border:1px solid rgba(122,176,255,.1);
}
.pcard__link{
  font-size:12.5px;color:#6fa8ea;display:inline-flex;align-items:center;gap:6px;
  padding-top:14px;border-top:1px solid var(--line);transition:color .3s;
}
.pcard__link span{transition:transform .3s}
.pcard:hover .pcard__link{color:#9fd0ff}
.pcard:hover .pcard__link span{transform:translateX(4px)}

.pcard--feature{
  background:linear-gradient(165deg,rgba(23,60,104,.9),rgba(9,24,42,.92));
  border-color:rgba(63,140,255,.35);
}
.pcard--feature::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 60% at 100% 0%,rgba(53,214,232,.16),transparent 62%);
}

/* ================= 参数 ================= */
.specs{display:grid;grid-template-columns:1.5fr .85fr;gap:28px;align-items:start}
.specs__table{
  border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  background:rgba(8,22,39,.6);
}
.specs__row{
  display:grid;grid-template-columns:.85fr 1.5fr 1fr;gap:16px;
  padding:15px 22px;border-bottom:1px solid rgba(122,176,255,.075);
  font-size:13.2px;transition:background .3s;
}
.specs__row:last-child{border-bottom:0}
.specs__row:hover{background:rgba(63,140,255,.05)}
.specs__row span:nth-child(1){color:#7d95b2}
.specs__row span:nth-child(2){color:#d5e6fa;font-weight:500}
.specs__row span:nth-child(3){color:#698aae;font-size:12.2px}
.specs__row--head{
  background:rgba(19,45,75,.7);font-size:11px;letter-spacing:.14em;
  color:#7fa8d4;text-transform:uppercase;
}
.specs__row--head span{color:#8fb6dd !important;font-weight:600;font-size:11px !important;letter-spacing:.14em}

.specs__aside{display:flex;flex-direction:column;gap:12px}
.aside-card{
  padding:20px 22px;border-radius:13px;border:1px solid var(--line);
  background:rgba(10,26,46,.6);transition:.35s;
}
.aside-card:hover{border-color:var(--line-2);background:rgba(13,33,58,.75)}
.aside-card h4{font-size:13.5px;color:#cfe4fb;margin-bottom:7px;font-weight:600}
.aside-card p{font-size:12.6px;color:#8ba3bf;line-height:1.85}
.aside-card b{color:#9fd0ff}
.aside-card--accent{
  background:linear-gradient(150deg,rgba(29,74,130,.8),rgba(10,28,50,.9));
  border-color:rgba(63,140,255,.34);
}
.aside-card--accent p{margin-bottom:14px}

/* ================= 流程 ================= */
.flow{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:flow;
}
.flow__item{
  position:relative;padding:30px 26px 26px;border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(12,30,52,.7),rgba(6,17,31,.8));
  transition:.4s;overflow:hidden;
}
.flow__item::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,140,255,.7),transparent);
  opacity:0;transition:opacity .4s;
}
.flow__item:hover{transform:translateY(-4px);border-color:rgba(63,140,255,.35);background:linear-gradient(160deg,rgba(17,42,72,.8),rgba(8,22,40,.9))}
.flow__item:hover::before{opacity:1}
.flow__no{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  color:#3f8cff;display:block;margin-bottom:14px;
  text-shadow:0 0 20px rgba(63,140,255,.6);
}
.flow__item h4{font-size:16.5px;color:#e6f1ff;margin-bottom:8px;font-weight:600}
.flow__item p{font-size:12.8px;color:#839bb8;line-height:1.85}

/* ================= 场景 ================= */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scene-card{
  padding:26px 22px;border-radius:14px;border:1px solid var(--line);
  background:rgba(9,24,43,.5);transition:.4s;position:relative;overflow:hidden;
}
.scene-card::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,232,.16),transparent 70%);
  opacity:0;transition:opacity .4s;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(53,214,232,.3);background:rgba(12,32,55,.7)}
.scene-card:hover::after{opacity:1}
.scene-card__ico{
  display:grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:rgba(63,140,255,.1);border:1px solid rgba(63,140,255,.2);
  font-size:18px;margin-bottom:16px;filter:grayscale(.15);
}
.scene-card h4{font-size:15px;color:#e0edfd;margin-bottom:6px;font-weight:600}
.scene-card p{font-size:12.4px;color:#8299b6;line-height:1.8}

/* ================= 案例 ================= */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{
  border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  background:rgba(9,24,43,.6);transition:.45s;display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-5px);border-color:rgba(63,140,255,.34);box-shadow:0 30px 60px -40px rgba(20,80,180,.9)}
.case--lg{grid-column:span 2;grid-row:span 2}
.case__visual{
  position:relative;height:172px;overflow:hidden;flex-shrink:0;
  display:grid;place-items:center;
}
.case--lg .case__visual{height:340px}
.case__visual--a{background:linear-gradient(140deg,#123a63,#0a1f37 55%,#0d2c4a)}
.case__visual--b{background:linear-gradient(140deg,#0f3054,#08192c)}
.case__visual--c{background:linear-gradient(140deg,#0d3350,#1a2a52)}
.case__visual--d{background:linear-gradient(140deg,#123c50,#08202c)}
.case__visual--e{background:linear-gradient(140deg,#153352,#0b1c33)}

/* 程序化"建筑"示意图形，避免外链图片 */
.case__mesh{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(122,176,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,176,255,.10) 1px,transparent 1px);
  background-size:38px 38px;
  transform:perspective(600px) rotateX(58deg) scale(1.9) translateY(18%);
  mask-image:linear-gradient(180deg,transparent,#000 40%,#000 75%,transparent);
}
.case__visual::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(110% 70% at 50% 110%,rgba(53,214,232,.16),transparent 60%);
}
.case__info{padding:20px 22px 22px}
.case--lg .case__info{padding:24px 28px 26px}
.case__tag{
  display:inline-block;font-size:10.5px;letter-spacing:.08em;
  padding:3px 9px;border-radius:999px;margin-bottom:11px;
  background:rgba(53,214,232,.1);color:#7ddce8;border:1px solid rgba(53,214,232,.22);
}
.case__info h3{font-size:16px;color:#e6f1ff;margin-bottom:8px;font-weight:600;line-height:1.5}
.case--lg .case__info h3{font-size:21px}
.case__info p{font-size:12.6px;color:#839bb8;line-height:1.85}
.case__info ul{display:flex;gap:14px;margin-top:12px}
.case__info ul li{font-size:11px;color:#5f7d9f;position:relative;padding-left:11px}
.case__info ul li::before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:var(--blue);transform:translateY(-50%)}

/* ================= 优势 ================= */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.why__item{
  padding:30px 26px;background:rgba(8,22,39,.92);transition:.4s;position:relative;
}
.why__item:hover{background:rgba(15,40,68,.96)}
.why__item span{
  display:block;font-family:var(--mono);font-size:11px;color:#3f8cff;
  letter-spacing:.1em;margin-bottom:14px;opacity:.85;
}
.why__item h4{font-size:15px;color:#e2efff;margin-bottom:7px;font-weight:600}
.why__item p{font-size:12.4px;color:#8299b6;line-height:1.85}

/* ================= 评价 ================= */
.voice__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quote{
  padding:28px 26px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,33,58,.75),rgba(7,19,34,.85));
  position:relative;transition:.4s;
}
.quote::before{
  content:"”";position:absolute;top:6px;right:22px;
  font-size:64px;line-height:1;color:rgba(63,140,255,.18);font-family:Georgia,serif;
}
.quote:hover{border-color:var(--line-2);transform:translateY(-4px)}
.quote>p{font-size:13.8px;color:#adc4de;line-height:1.95;margin-bottom:22px;min-height:88px}
.quote figcaption{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.quote__av{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(63,140,255,.3),rgba(53,214,232,.16));
  border:1px solid rgba(63,140,255,.3);font-size:14px;color:#bfe0ff;flex-shrink:0;
}
.quote figcaption b{display:block;font-size:13px;color:#dceafb;font-weight:600}
.quote figcaption span{font-size:11px;color:#6f87a5}

/* ================= FAQ ================= */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:64px;align-items:start}
.faq__head{position:sticky;top:120px}
.faq__head .h2{margin-bottom:18px}
.faq__head .section__sub{margin-bottom:26px}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq{
  border:1px solid var(--line);border-radius:13px;overflow:hidden;
  background:rgba(9,24,43,.55);transition:border-color .35s,background .35s;
}
.faq[open]{border-color:rgba(63,140,255,.3);background:rgba(12,31,54,.75)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 24px;
  font-size:14.5px;color:#d5e6fa;font-weight:500;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  transition:color .3s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#fff}
.faq summary i{
  width:22px;height:22px;flex-shrink:0;position:relative;border-radius:50%;
  border:1px solid rgba(122,176,255,.3);transition:.35s;
}
.faq summary i::before,.faq summary i::after{
  content:"";position:absolute;left:50%;top:50%;background:#7fb2ea;
  transform:translate(-50%,-50%);transition:.35s;border-radius:2px;
}
.faq summary i::before{width:9px;height:1.5px}
.faq summary i::after{width:1.5px;height:9px}
.faq[open] summary i{background:rgba(63,140,255,.18);border-color:rgba(63,140,255,.55)}
.faq[open] summary i::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__body{padding:0 24px 20px;font-size:13.2px;color:#8ba3bf;line-height:1.95}
.faq__body p{border-top:1px solid var(--line);padding-top:16px}

/* ================= 服务区域 ================= */
.areas{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.area-card{
  position:relative;padding:26px 26px 22px;border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,32,55,.75),rgba(7,18,32,.88));
  transition:border-color .4s,background .4s,transform .4s;
}
.area-card:hover{border-color:rgba(63,140,255,.35);background:linear-gradient(160deg,rgba(17,42,72,.85),rgba(8,22,40,.92));transform:translateY(-3px)}
.area-card__k{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:#6f95c4}
.area-card h3{font-size:17px;color:#eaf3ff;margin:8px 0 15px;font-weight:600}
.area-card__tags{display:flex;flex-wrap:wrap;gap:8px}
.area-card__tags li{
  font-size:12px;padding:5px 11px;border-radius:999px;color:#a9c4e2;
  background:rgba(122,176,255,.08);border:1px solid rgba(122,176,255,.14);
  transition:border-color .3s,color .3s,background .3s;
}
.area-card:hover .area-card__tags li{border-color:rgba(63,140,255,.3);color:#cfe4ff;background:rgba(63,140,255,.12)}
.area-card__hint{
  font-size:12px;color:#7f97b4;line-height:1.8;margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(122,176,255,.12);
}
.area-note{
  margin-top:18px;padding:20px 24px;border-radius:var(--r);
  border:1px solid rgba(63,140,255,.26);
  background:linear-gradient(120deg,rgba(24,64,116,.62),rgba(9,25,44,.78));
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.area-note p{font-size:12.8px;color:#9db4d0;line-height:1.95;max-width:840px}
.area-note b{color:#d6e8ff;font-weight:600}
.area-note .btn{flex-shrink:0}

/* ================= 联系 ================= */
.contact{position:relative;overflow:hidden;padding-bottom:130px}
.contact__glow{
  position:absolute;left:50%;top:-10%;width:900px;height:600px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(45,120,235,.24),transparent 68%);
  filter:blur(60px);pointer-events:none;
}
.contact__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:66px;align-items:start}
.contact__copy .h2{margin-bottom:22px}

.call-card{
  position:relative;overflow:hidden;
  padding:32px 30px;border-radius:var(--r-lg);
  border:1px solid rgba(63,140,255,.32);
  background:linear-gradient(165deg,rgba(17,44,76,.92),rgba(7,18,33,.95));
  box-shadow:0 40px 100px -50px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.05);
  display:flex;flex-direction:column;gap:13px;
}
.call-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 55% at 100% 0%,rgba(53,214,232,.15),transparent 62%);
}
.call-card > *{position:relative;z-index:1}
.call-card__k{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:#6f95c4}
.call-card h3{font-size:19px;line-height:1.5;color:#eaf3ff;font-weight:700}
.call-card__tel{
  display:flex;align-items:center;gap:12px;
  padding:15px 18px;border-radius:14px;
  border:1px solid rgba(63,140,255,.42);
  background:linear-gradient(120deg,rgba(47,127,232,.28),rgba(53,214,232,.12));
  font-family:var(--mono);font-weight:700;letter-spacing:-.01em;
  font-size:clamp(24px,2.5vw,31px);color:#eaf5ff;
  transition:border-color .3s,background .3s,transform .3s,box-shadow .3s;
}
.call-card__tel svg{width:22px;height:22px;color:var(--cyan);flex-shrink:0}
.call-card__tel:hover{
  border-color:rgba(63,140,255,.8);transform:translateY(-2px);
  background:linear-gradient(120deg,rgba(47,127,232,.44),rgba(53,214,232,.18));
  box-shadow:0 18px 44px -22px rgba(63,140,255,.95);
}
.call-card__hint{font-size:11.5px;color:#7f99b7;text-align:center;line-height:1.7;margin-top:-4px}
.call-card__btn{height:54px;font-size:15px;letter-spacing:.04em}
.call-card__copy{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 12px;border-radius:10px;font-size:11.5px;color:#8fb0d4;
  border:1px dashed rgba(122,176,255,.24);transition:.3s;
}
.call-card__copy svg{width:13px;height:13px}
.call-card__copy:hover{color:#cfe4ff;border-color:rgba(122,176,255,.5);background:rgba(63,140,255,.08)}
.call-card__copy.is-ok{color:#7fe6b2;border-color:rgba(95,224,176,.5);border-style:solid}
.call-card__points{display:flex;flex-direction:column;gap:9px;margin-top:3px;padding-top:14px;border-top:1px solid var(--line)}
.call-card__points li{display:flex;gap:9px;font-size:12.5px;color:#9db4d0;line-height:1.65}
.call-card__points i{
  width:5px;height:5px;margin-top:8px;border-radius:50%;flex-shrink:0;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan);
}
.call-card__note{font-size:11px;color:#5f7a99;text-align:center;letter-spacing:.03em}

/* 厂区地图 */
.map-block{margin-top:66px;padding-top:56px;border-top:1px solid var(--line)}
.map-block__head{max-width:660px;margin-bottom:28px}
.map-block__head .eyebrow{margin-bottom:16px}
.map-block__head .h2{margin-bottom:14px}
.map-block__sub{font-size:14px;color:#8ba3bf;line-height:1.9}
.map-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.map-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  background:rgba(9,24,43,.6);
  transition:border-color .4s,box-shadow .4s,transform .4s;
}
.map-card:hover{
  border-color:rgba(63,140,255,.4);transform:translateY(-3px);
  box-shadow:0 26px 60px -40px rgba(20,80,180,.9);
}
.map-card__frame{
  position:relative;height:320px;
  background:linear-gradient(135deg,rgba(16,40,68,.9),rgba(8,20,36,.95));
}
.map-card__frame::before{
  content:"地图加载中…";
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:12px;letter-spacing:.06em;color:#5f7d9f;
}
.map-card__frame iframe{
  position:relative;z-index:1;display:block;
  width:100%;height:100%;border:0;background:#0b1623;
}
.map-card__foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 20px;border-top:1px solid var(--line);background:rgba(5,14,26,.5);
}
.map-card__txt{display:flex;flex-direction:column;gap:3px;min-width:0}
.map-card__txt b{font-size:14px;color:#e3f0ff;font-weight:600}
.map-card__txt span{font-size:11.5px;color:#7f97b4}
.map-card__link{
  flex-shrink:0;white-space:nowrap;
  padding:6px 11px;border-radius:999px;font-size:11.5px;color:#7fc4ff;
  border:1px solid rgba(63,140,255,.28);background:rgba(63,140,255,.08);
  transition:background .3s,border-color .3s,color .3s;
}
.map-card__link:hover{background:rgba(63,140,255,.22);border-color:rgba(63,140,255,.6);color:#fff}

/* 地图中心定位针 */
.map-card__pin{
  position:absolute;left:50%;top:50%;z-index:2;
  width:16px;height:16px;pointer-events:none;
  transform:translate(-50%,-100%) rotate(-45deg);
  background:linear-gradient(135deg,#5fa8ff,#35d6e8);
  border-radius:50% 50% 50% 0;
  box-shadow:0 0 0 2px rgba(7,18,33,.92),0 10px 22px -8px rgba(63,140,255,.95);
}
.map-card__pin::after{
  content:"";position:absolute;inset:4.5px;border-radius:50%;background:#08182b;
}
.map-card__frame::after{
  content:"";position:absolute;left:50%;top:50%;z-index:2;
  width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;
  border:1px solid rgba(53,214,232,.7);
  animation:mapPulse 2.6s ease-out infinite;pointer-events:none;
}
@keyframes mapPulse{
  0%{transform:scale(.35);opacity:.85}
  75%{opacity:0}
  100%{transform:scale(1.45);opacity:0}
}
.map-note{
  margin-top:16px;font-size:11.5px;color:#5f7a99;line-height:1.8;text-align:center;
}

.contact__list{display:flex;flex-direction:column;margin-top:26px}
.contact__list li{
  display:grid;grid-template-columns:88px 1fr;gap:16px;
  padding:13px 0;border-bottom:1px dashed rgba(122,176,255,.12);font-size:13px;
}
.contact__list li:last-child{border-bottom:0}
.contact__list b{color:#6f8aaa;font-weight:400;font-size:12.5px}
.contact__list span{color:#c2d6ec}

/* ================= 页脚 ================= */
.footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(5,13,24,.9),#040a14);
  padding:66px 0 26px;position:relative;z-index:2;
}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.footer__brand p{font-size:12.8px;color:#7a92af;line-height:1.9;margin-top:18px}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col h5{font-size:12.5px;color:#c4d8ef;letter-spacing:.06em;margin-bottom:6px;font-weight:600}
.footer__col a,.footer__col span{font-size:12.6px;color:#7a92af;transition:color .3s}
.footer__col a:hover{color:#9fd0ff}
.footer__col--tel .footer__tel{
  font-family:var(--mono);font-size:22px;font-weight:700;color:#9fd0ff;
  letter-spacing:-.01em;margin-bottom:4px;
}
.footer__col--tel .btn{margin-top:12px;align-self:flex-start}
.footer__bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:22px;font-size:11.5px;color:#526b88;letter-spacing:.03em;
}

/* 返回顶部 & 移动端条 */
.to-top{
  position:fixed;right:26px;bottom:28px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-2);background:rgba(8,22,40,.8);
  backdrop-filter:blur(12px);display:grid;place-items:center;color:#a9c6e8;
  z-index:90;opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.4s;
}
.to-top svg{width:18px;height:18px}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:rgba(63,140,255,.6);color:#fff;box-shadow:0 0 26px -8px rgba(63,140,255,.8)}

.mobile-bar{display:none}

/* ================= 3D 产品展厅 ================= */
#product3d,#case3d{
  position:absolute;inset:0;width:100%;height:100%;display:block;
  cursor:grab;touch-action:pan-y;
}
#product3d:active,#case3d:active{cursor:grabbing}

.lab{display:grid;grid-template-columns:minmax(0,1.46fr) minmax(0,.54fr);gap:20px;align-items:stretch}

.lab__stage{
  position:relative;height:clamp(460px,64vh,620px);aspect-ratio:auto;
  border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  background:
    radial-gradient(56% 52% at 52% 44%,rgba(46,124,240,.16),transparent 74%),
    linear-gradient(180deg,rgba(10,26,46,.6),rgba(6,15,29,.16));
}
.lab__stage::before{inset:0}

.lab__loading{
  position:absolute;inset:0;z-index:1;display:grid;place-items:center;
  font-size:12px;letter-spacing:.08em;color:#5f7d9f;pointer-events:none;
  transition:opacity .5s ease;
}
[data-ready="1"] > .lab__loading{opacity:0}
[data-3d="off"] .lab__loading{display:none}
[data-3d="off"] .lab__stage::after,
[data-3d="off"] .studio__stage::after{
  content:var(--3d-msg,"三维样机暂时加载失败，刷新页面可重试；也可直接致电 159 2451 1186 索取三维与图纸资料。");
  position:absolute;inset:0;z-index:2;display:grid;place-items:center;
  padding:28px;text-align:center;font-size:12.5px;line-height:1.9;color:#7f97b4;
}

.lab__panel{display:flex;flex-direction:column;gap:12px;height:clamp(460px,64vh,620px);min-height:0}

.mlist{
  display:flex;flex-direction:column;gap:6px;flex:1;min-height:0;
  overflow-y:auto;overscroll-behavior:contain;padding-right:4px;
  scrollbar-width:thin;scrollbar-color:rgba(122,176,255,.25) transparent;
}
.mlist::-webkit-scrollbar{width:5px}
.mlist::-webkit-scrollbar-thumb{background:rgba(122,176,255,.25);border-radius:99px}
.mlist__item{
  display:flex;align-items:center;gap:11px;width:100%;
  padding:7px 11px;border-radius:11px;
  border:1px solid var(--line);background:rgba(9,24,43,.55);
  text-align:left;transition:border-color .3s,background .3s,box-shadow .3s;
}
.mlist__item:hover{border-color:var(--line-2);background:rgba(14,36,60,.8)}
.mlist__item.is-on{
  border-color:rgba(63,140,255,.55);
  background:linear-gradient(135deg,rgba(63,140,255,.22),rgba(53,214,232,.08));
  box-shadow:0 0 26px -12px rgba(63,140,255,.95);
}
.mlist__no{
  font-family:var(--mono);font-size:10px;color:#4b6584;
  letter-spacing:.08em;flex-shrink:0;width:18px;
}
.mlist__item.is-on .mlist__no{color:var(--cyan)}
.mlist__txt{display:flex;flex-direction:column;gap:1px;min-width:0}
.mlist__txt b{font-size:12.4px;line-height:1.4;font-weight:600;color:#dceafb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mlist__txt span{font-family:var(--mono);font-size:9.2px;line-height:1.3;color:#6f87a5;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.spec-card{
  padding:16px 17px 15px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(13,32,55,.85),rgba(7,18,32,.92));
  display:flex;flex-direction:column;gap:9px;
}
.spec-card__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.spec-card__head b{font-size:14.5px;color:#eaf3ff;font-weight:700}
.spec-card__head span{font-family:var(--mono);font-size:10px;color:#5b7c9f;letter-spacing:.1em}
.spec-card__rows{display:flex;flex-direction:column;gap:6px}
.spec-card__rows li{display:flex;justify-content:space-between;gap:12px;font-size:11.6px}
.spec-card__rows i{color:#6f87a5;font-style:normal;white-space:nowrap}
.spec-card__rows b{color:#cfe2fb;font-weight:600;text-align:right}
.spec-card p{font-size:11.5px;color:#7f97b4;line-height:1.75;padding-top:8px;border-top:1px solid var(--line)}
.spec-card__facts{display:flex;flex-direction:column;gap:5px}
.spec-card__facts li{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#7d95b2}
.spec-card__facts b{color:#a9c8e8;font-weight:500;text-align:right}
.spec-card .btn{margin-top:4px;height:38px;font-size:12.5px}

/* 展厅底部参数条 */
.spec-card--wide{
  display:grid;grid-template-columns:minmax(140px,.75fr) minmax(210px,1fr) minmax(0,1.5fr) auto;
  gap:22px;align-items:center;margin-top:14px;padding:18px 22px;
}
.spec-card--wide .spec-card__head{flex-direction:column;align-items:flex-start;gap:3px}
.spec-card--wide .spec-card__head b{font-size:16px}
.spec-card--wide .spec-card__rows{border-left:1px solid var(--line);padding-left:22px}
.spec-card--wide p{
  border-top:0;padding-top:0;font-size:12px;
  border-left:1px solid var(--line);padding-left:22px;
  max-height:74px;overflow:hidden;
}
.spec-card--wide .btn{margin-top:0;width:auto;padding:0 20px;flex-shrink:0}

.mlist__note{
  font-size:11px;color:#5f7a99;line-height:1.7;flex-shrink:0;
  padding:11px 13px;border-radius:11px;
  border:1px dashed rgba(122,176,255,.16);background:rgba(9,24,43,.35);
}
.mlist__note b{display:block;color:#8fb0d4;font-size:11.5px;font-weight:600;margin-bottom:2px}

/* ================= 案例 3D 演示 ================= */
.studio{
  margin-bottom:32px;border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  background:linear-gradient(180deg,rgba(13,32,55,.72),rgba(6,16,29,.86));
}
.studio__bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--line);
  background:rgba(8,22,39,.55);
}
.studio__label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--blue-soft);white-space:nowrap}
.studio__tabs{display:flex;gap:6px;flex-wrap:wrap;flex:1;min-width:0}
.studio__tab{
  display:flex;flex-direction:column;gap:0;text-align:left;
  padding:6px 12px;border-radius:10px;border:1px solid var(--line);
  background:rgba(10,26,46,.6);transition:.3s;
}
.studio__tab b{font-size:9.4px;font-weight:600;color:#7fa8d4;letter-spacing:.08em}
.studio__tab span{font-size:11.2px;color:#b6cde4;white-space:nowrap}
.studio__tab:hover{border-color:var(--line-2);background:rgba(16,40,68,.85)}
.studio__tab.is-on{
  border-color:rgba(63,140,255,.55);
  background:linear-gradient(135deg,rgba(63,140,255,.24),rgba(53,214,232,.1));
  box-shadow:0 0 24px -12px rgba(63,140,255,.95);
}
.studio__tab.is-on b{color:#8fc6ff}
.studio__tab.is-on span{color:#fff}

.studio__main{display:grid;grid-template-columns:minmax(0,1.58fr) minmax(0,.42fr)}
.studio__stage{position:relative;min-height:520px;aspect-ratio:auto;border-radius:0}
.studio__stage::before{display:none}
.studio__stage .stage__aura{width:60%;height:14%}
.studio__info{
  padding:26px 24px;display:flex;flex-direction:column;gap:9px;
  border-left:1px solid var(--line);background:rgba(7,18,33,.45);
}
.studio__kicker{font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:#5f88b3}
.studio__info h3{font-size:17.5px;color:#eaf3ff;font-weight:700;line-height:1.5}
.studio__info p{font-size:12.4px;color:#8ba3bf;line-height:1.85;flex:1;min-height:0}
.studio__facts{display:flex;flex-direction:column;gap:7px;margin:4px 0 12px}
.studio__facts li{display:flex;justify-content:space-between;gap:10px;font-size:11.6px;color:#7f97b4;border-bottom:1px dashed rgba(122,176,255,.12);padding-bottom:5px}
.studio__facts b{color:#cfe2fb;font-weight:600;text-align:right}
.studio__info .btn{height:40px;font-size:12.8px}

/* 案例卡片：3D 播放入口 */
.case__visual--photo{background:#071223}
.case__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.92;transition:transform .7s cubic-bezier(.2,.8,.2,1),opacity .4s;
}
.case:hover .case__img{transform:scale(1.045);opacity:1}
.case__visual--photo::after{
  background:linear-gradient(180deg,rgba(5,13,24,.04) 0%,rgba(5,13,24,.28) 58%,rgba(5,13,24,.82) 100%);
}
.case__visual--photo .case__mesh{display:none}
.case__visual--f{background:linear-gradient(140deg,#153a52,#0a1c2e)}
.case__visual--g{background:linear-gradient(140deg,#10354a,#0a2033)}
.case__visual--h{background:linear-gradient(140deg,#1a3350,#0b1b2c)}
.case{cursor:pointer}
.case.is-on{border-color:rgba(63,140,255,.5);box-shadow:0 0 0 1px rgba(63,140,255,.18),0 30px 60px -40px rgba(20,80,180,.9)}
.case__play{
  position:absolute;left:50%;bottom:14px;z-index:3;
  transform:translateX(-50%) translateY(2px);
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(122,176,255,.4);background:rgba(6,18,34,.66);
  backdrop-filter:blur(10px);color:#dcecff;font-size:11.2px;letter-spacing:.03em;
  transition:opacity .35s,transform .35s,background .35s,border-color .35s;
  opacity:.94;
}
.case:hover .case__play,.case.is-on .case__play,.case:focus-within .case__play{opacity:1;transform:translateX(-50%) translateY(0)}
.case__play:hover{background:rgba(63,140,255,.26);border-color:rgba(63,140,255,.7);color:#fff}
.case__play-ico{font-size:8px;color:var(--cyan);line-height:1}

/* 产品卡：3D 入口 */
.pcard__foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--line);margin-top:auto;
}
.pcard__foot .pcard__link{padding-top:0;border-top:0;font-size:12px}
.pcard__3d{
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
  padding:5px 10px;border-radius:999px;font-size:11px;color:#7fc4ff;
  border:1px solid rgba(63,140,255,.28);background:rgba(63,140,255,.08);
  transition:background .3s,border-color .3s,color .3s;
}
.pcard__3d svg{width:13px;height:13px}
.pcard__3d:hover{background:rgba(63,140,255,.22);border-color:rgba(63,140,255,.62);color:#fff}

/* ================= 内页头 / 面包屑 ================= */
.page-hero{
  position:relative;z-index:2;padding:150px 0 44px;
  background:
    radial-gradient(70% 80% at 78% -10%,rgba(47,127,232,.16),transparent 62%),
    linear-gradient(180deg,rgba(9,26,46,.65),transparent 92%);
  border-bottom:1px solid var(--line);
}
.page-hero .h2{max-width:920px}
.page-hero__sub{max-width:760px;margin-top:16px;color:#8ba3bf;font-size:14.5px;line-height:1.95}
.crumbs{
  display:flex;align-items:center;gap:8px;margin-bottom:24px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:#5f7a99;
}
.crumbs a{color:#7fa8d4;transition:color .3s}
.crumbs a:hover{color:#cfe4ff}
.crumbs i{font-style:normal;color:#39536e}

.section__more{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px}

/* 产品卡配图 */
.pcard__media{
  margin:-26px -24px 18px;height:156px;overflow:hidden;
  background:
    radial-gradient(62% 72% at 50% 38%,rgba(46,124,240,.2),transparent 74%),
    #081726;
  border-bottom:1px solid var(--line);
}
.pcard__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .65s cubic-bezier(.2,.8,.2,1)}
.pcard:hover .pcard__media img{transform:scale(1.05)}

/* 首页精选网格 */
.cards--home{grid-template-columns:repeat(3,1fr)}
.cases--home{grid-template-columns:repeat(3,1fr)}

/* 3D 不可用时的兜底 */
.lab__fallback{display:none}
[data-3d="off"] .lab__fallback{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  position:absolute;inset:0;z-index:2;padding:24px;text-align:center;
  background:rgba(7,18,33,.88);
}
[data-3d="off"] .lab__fallback img{max-width:min(100%,520px);border-radius:10px;opacity:.95}
[data-3d="off"] .lab__fallback span{font-size:12px;color:#7f97b4;max-width:420px;line-height:1.8}
[data-3d="off"] canvas{opacity:0}
[data-3d="off"] .stage__tools,[data-3d="off"] .stage__hint{display:none}

/* ================= CAD 图纸 ================= */
.cad-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px;align-items:start}
.cad-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:96px}
.cad-side__head h2{font-size:18px;color:#eaf3ff;margin-bottom:6px}
.cad-side__head p{font-size:12px;color:#7f97b4}
.cad-list{display:flex;flex-direction:column;gap:6px}
.cad-item{
  display:flex;align-items:center;gap:10px;text-align:left;width:100%;
  padding:9px 11px;border-radius:10px;border:1px solid var(--line);
  background:rgba(9,24,43,.55);transition:border-color .3s,background .3s,box-shadow .3s;
}
.cad-item:hover{border-color:var(--line-2);background:rgba(14,36,60,.8)}
.cad-item.is-on{
  border-color:rgba(63,140,255,.55);
  background:linear-gradient(135deg,rgba(63,140,255,.2),rgba(53,214,232,.08));
  box-shadow:0 0 24px -12px rgba(63,140,255,.95);
}
.cad-item__no{font-family:var(--mono);font-size:10px;color:#4b6584;flex-shrink:0;width:18px}
.cad-item.is-on .cad-item__no{color:var(--cyan)}
.cad-item__txt{display:flex;flex-direction:column;gap:1px;min-width:0}
.cad-item__txt b{font-size:12.4px;color:#dceafb;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cad-item__txt span{font-family:var(--mono);font-size:9.2px;color:#6f87a5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cad-tip{
  font-size:11px;color:#5f7a99;line-height:1.7;
  padding:10px 12px;border-radius:10px;border:1px dashed rgba(122,176,255,.16);
}
.cad-tip b{display:block;color:#8fb0d4;font-size:11.5px;margin-bottom:2px}

.cad-main{display:flex;flex-direction:column;gap:12px;min-width:0}
.cad-stage{
  position:relative;height:clamp(420px,64vh,620px);border-radius:var(--r);
  border:1px solid var(--line);overflow:hidden;cursor:grab;
  background:radial-gradient(72% 62% at 50% 40%,rgba(20,50,84,.65),rgba(6,15,29,.92));
}
.cad-stage:active{cursor:grabbing}
.cad-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.cad-loading{position:absolute;inset:0;z-index:1;display:grid;place-items:center;font-size:12px;color:#5f7d9f;pointer-events:none}
.cad-tools{position:absolute;right:12px;top:12px;z-index:2;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.cad-tool{
  padding:6px 10px;border-radius:8px;font-size:11px;color:#9fb8d6;
  border:1px solid var(--line);background:rgba(6,18,34,.72);
  backdrop-filter:blur(8px);transition:color .25s,border-color .25s,background .25s;
}
.cad-tool:hover{color:#fff;border-color:var(--line-2);background:rgba(63,140,255,.18)}
.cad-tool.is-on{color:var(--cyan);border-color:rgba(53,214,232,.42);box-shadow:0 0 18px -8px rgba(53,214,232,.8)}
.cad-scale{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:#6f95c4;
  background:rgba(6,18,34,.6);padding:4px 8px;border-radius:6px;border:1px solid var(--line);
}
.cad-meta{padding:16px 18px;border-radius:12px;border:1px solid var(--line);background:rgba(9,24,43,.6)}
.cad-meta__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.cad-meta__head b{font-size:15px;color:#eaf3ff}
.cad-meta__head span{font-family:var(--mono);font-size:10px;color:#5b7c9f;letter-spacing:.1em}
.cad-meta__rows{display:flex;gap:22px;flex-wrap:wrap;margin:10px 0 8px;font-size:12px;color:#cfe2fb}
.cad-meta__rows i{font-style:normal;color:#6f87a5;margin-right:6px}
.cad-meta p{font-size:12px;color:#7f97b4;line-height:1.8;border-top:1px solid var(--line);padding-top:10px}
.cad-notes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:30px}

.contact__links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* ================= 购买 / 租赁 / 定制 ================= */
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mode-card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  padding:28px 26px 24px;border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,32,55,.76),rgba(7,18,32,.88));
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
}
.mode-card:hover{
  transform:translateY(-4px);border-color:rgba(63,140,255,.4);
  box-shadow:0 30px 60px -44px rgba(20,80,180,.9);
}
.mode-card__k{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:#6f95c4}
.mode-card h3{font-size:19px;color:#eaf3ff;font-weight:700}
.mode-card__price{font-family:var(--mono);font-size:12px;color:#7fc4ff}
.mode-card ul{display:flex;flex-direction:column;gap:8px;margin:4px 0 8px}
.mode-card li{position:relative;padding-left:14px;font-size:12.6px;line-height:1.8;color:#8ba3bf}
.mode-card li::before{
  content:"";position:absolute;left:0;top:9px;width:4px;height:4px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(53,214,232,.7);
}
.mode-card .btn{margin-top:auto}
.modes__note{margin-top:18px;font-size:12px;color:#6f87a5;text-align:center}

/* ================= 家具家电配套 ================= */
.packs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pack{
  position:relative;display:flex;flex-direction:column;gap:8px;
  padding:26px 24px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,32,55,.7),rgba(7,18,32,.85));
  transition:transform .4s,border-color .4s,box-shadow .4s;
}
.pack:hover{transform:translateY(-4px);border-color:rgba(63,140,255,.4)}
.pack--hot{
  border-color:rgba(63,140,255,.42);
  background:linear-gradient(160deg,rgba(17,44,76,.88),rgba(8,22,40,.94));
  box-shadow:0 24px 60px -46px rgba(20,80,180,.9);
}
.pack__tag{
  align-self:flex-start;font-family:var(--mono);font-size:10px;font-weight:700;
  letter-spacing:.1em;color:#04101f;background:var(--grad-btn);
  padding:3px 9px;border-radius:999px;
}
.pack h3{font-size:17px;color:#eaf3ff;font-weight:700}
.pack__price{font-family:var(--mono);font-size:11.5px;color:#7f97b4}
.pack__list{display:flex;flex-direction:column;gap:7px;margin-top:6px}
.pack__list li{position:relative;padding-left:16px;font-size:12.8px;line-height:1.8;color:#9db4d0}
.pack__list li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(53,214,232,.7);
}
.pack-extra{
  margin-top:18px;padding:16px 20px;border-radius:12px;
  border:1px dashed rgba(122,176,255,.2);background:rgba(9,24,43,.35);
  font-size:12.5px;line-height:1.95;color:#8ba3bf;
}
.pack-extra b{color:#cfe4fb}

/* 浅色主题 */
[data-theme="light"] .mode-card,[data-theme="light"] .pack{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .mode-card:hover,[data-theme="light"] .pack:hover{border-color:rgba(37,100,200,.4);box-shadow:0 28px 60px -44px rgba(20,70,150,.4)}
[data-theme="light"] .mode-card__k{color:#5d7286}
[data-theme="light"] .mode-card h3,[data-theme="light"] .pack h3{color:#12253c}
[data-theme="light"] .mode-card__price{color:#2564c8}
[data-theme="light"] .mode-card li{color:#4a6076}
[data-theme="light"] .packs .pack--hot{background:linear-gradient(160deg,#f2f8ff,#ffffff);border-color:rgba(37,100,200,.3)}
[data-theme="light"] .pack__price{color:#2564c8}
[data-theme="light"] .pack__list li{color:#3b5068}
[data-theme="light"] .pack-extra{background:#f7fafd;border-color:rgba(23,54,90,.14);color:#5d7286}
[data-theme="light"] .pack-extra b{color:#12253c}
[data-theme="light"] .modes__note{color:#5d7286}

/* ================= 动态列表 ================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-grid--home{grid-template-columns:repeat(4,1fr)}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r);border:1px solid var(--line);
  background:rgba(9,24,43,.6);
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(63,140,255,.4);box-shadow:0 28px 60px -40px rgba(20,80,180,.9)}
.news-card__media{height:150px;overflow:hidden;background:#081726;flex-shrink:0}
.news-card__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .65s cubic-bezier(.2,.8,.2,1)}
.news-card:hover .news-card__media img{transform:scale(1.05)}
.news-card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-card__meta{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:#6f87a5}
.news-card__meta em{font-style:normal;color:#7fc4ff}
.news-card__meta i{font-style:normal;color:#39536e}
.news-card__title{font-size:15.5px;line-height:1.55;color:#e6f1ff;font-weight:600}
.news-card__excerpt{font-size:12.4px;line-height:1.8;color:#8299b6;flex:1}
.news-card.is-hidden{display:none}
.news-card__more{font-size:12px;color:#6fa8ea;display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-card__more{color:#9fd0ff}

/* ================= 文章页 ================= */
.article{position:relative;z-index:2}
.article__head{padding:150px 0 0;position:relative}
.article__head::before{
  content:"";position:absolute;inset:0 0 auto;height:420px;pointer-events:none;
  background:radial-gradient(70% 90% at 70% -10%,rgba(47,127,232,.16),transparent 65%);
}
.article__head .crumbs{margin-bottom:22px}
.article__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:#6f87a5;margin-bottom:16px}
.article__meta em{font-style:normal;color:#7fc4ff}
.article__meta i{font-style:normal;color:#39536e}
.article__title{font-size:clamp(26px,3.3vw,40px);line-height:1.35;font-weight:800;letter-spacing:-.02em;color:#f2f7ff;max-width:900px}
.article__lead{margin-top:16px;max-width:780px;font-size:15.5px;line-height:1.95;color:#a9bfd9}
.article__hero{margin-top:30px;max-width:980px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#081726}
.article__hero img{display:block;width:100%;height:auto}
.article__body{max-width:820px;margin:0 auto;padding:46px 0 0;font-size:15px;line-height:2;color:#a9bfd9}
.article__body h2{
  font-size:20px;line-height:1.55;color:#eaf3ff;font-weight:700;
  margin:38px 0 14px;padding-left:12px;border-left:3px solid var(--blue);
}
.article__body h3{font-size:16.5px;color:#dcecff;margin:26px 0 10px;font-weight:600}
.article__body p{margin:0 0 14px}
.article__body strong{color:#d6e8ff;font-weight:600}
.article__body ul,.article__body ol{margin:0 0 18px;padding-left:0}
.article__body ul li{position:relative;padding-left:16px;margin-bottom:8px;font-size:14.5px;line-height:1.9}
.article__body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(53,214,232,.7);
}
.article__body ol{counter-reset:li}
.article__body ol li{position:relative;padding-left:24px;margin-bottom:8px;font-size:14.5px;counter-increment:li}
.article__body ol li::before{
  content:counter(li);position:absolute;left:0;top:1px;
  font-family:var(--mono);font-size:11px;color:var(--blue-soft);
}
.article__body .phone{color:#9fd0ff;font-family:var(--mono);border-bottom:1px dashed rgba(63,140,255,.5)}
.article__tip{
  margin:26px 0;padding:16px 18px;border-radius:12px;font-size:14px;line-height:1.9;color:#b7d7ea;
  border:1px solid rgba(53,214,232,.24);background:rgba(53,214,232,.06);
}
.article__tip b{color:#eaf8ff}
.article__cta{
  margin:40px 0 8px;padding:24px 26px;border-radius:var(--r);
  border:1px solid rgba(63,140,255,.32);
  background:linear-gradient(120deg,rgba(24,64,116,.72),rgba(9,25,44,.88));
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.article__cta b{display:block;font-size:16px;color:#eaf3ff;margin-bottom:4px}
.article__cta span{display:block;font-size:12.5px;color:#8ba3bf;line-height:1.8}
.article__cta-tel{
  font-family:var(--mono);font-size:20px;font-weight:700;color:#eaf5ff;
  padding:10px 16px;border-radius:10px;border:1px solid rgba(63,140,255,.42);
  background:rgba(47,127,232,.22);transition:.3s;white-space:nowrap;
}
.article__cta-tel:hover{background:rgba(47,127,232,.36);border-color:rgba(63,140,255,.8)}
.article__nav{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin:28px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:13px;
}
.article__nav a{color:#7fc4ff;display:inline-flex;align-items:center;gap:6px}
.article__nav a:hover{color:#fff}
.article__foot-note{margin:8px 0 0;font-size:11.5px;color:#526b88;line-height:1.8}

/* ================= 响应式 ================= */
@media (max-width:1180px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards--home,.cases--home{grid-template-columns:repeat(2,1fr)}
  .news-grid,.news-grid--home{grid-template-columns:repeat(2,1fr)}
  .modes,.packs{grid-template-columns:repeat(2,1fr)}
  .article__head{padding-top:130px}
  .cad-layout{display:flex;flex-direction:column;gap:16px}
  .cad-main{order:1}
  .cad-side{order:2}
  .cad-side{position:static}
  .cad-notes{grid-template-columns:repeat(2,1fr)}
  .page-hero{padding:132px 0 36px}
  .why{grid-template-columns:repeat(2,1fr)}
  .nav__links a{padding:9px 10px;font-size:13.2px}
  .about{gap:48px}
  .hero__inner{gap:24px}
}

@media (max-width:1024px){
  .nav__links{
    position:fixed;top:0;right:0;height:100vh;width:270px;
    flex-direction:column;align-items:stretch;justify-content:center;gap:6px;
    background:linear-gradient(180deg,rgba(7,20,36,.98),rgba(5,13,25,.99));
    border-left:1px solid var(--line);padding:80px 26px;z-index:99;
    transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.8,.2,1);
    backdrop-filter:blur(20px);
  }
  .nav__links.is-open{transform:none}
  .nav__links a{padding:14px 12px;font-size:15px;border-bottom:1px solid rgba(122,176,255,.08)}
  .nav__links a::after{display:none}
  .nav__burger{display:flex}
  .nav__tel span{display:none}
  .nav__tel{padding:9px 11px}
  .hero__inner{grid-template-columns:1fr;gap:36px;text-align:left}
  .hero{padding-top:130px}
  .hero__stage{max-width:640px;margin:0 auto;width:100%}
  .stage{aspect-ratio:1/.8;min-height:360px}
  .hero__scroll{display:none}
  .about{grid-template-columns:1fr;gap:40px}
  .specs{grid-template-columns:1fr}
  .cases{grid-template-columns:repeat(2,1fr)}
  .case--lg{grid-column:span 2;grid-row:auto}
  .case--lg .case__visual{height:260px}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .faq__head{position:static}
  .contact__inner{grid-template-columns:1fr;gap:44px}
  .areas{grid-template-columns:1fr}
  .map-grid{grid-template-columns:1fr}
  .map-card__frame{height:280px}
  .map-card__pin{width:14px;height:14px}
  .area-note{padding:18px 20px;gap:14px}
  .scenes{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .voice__grid{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr 1fr;gap:34px}
  .section__head{flex-direction:column;align-items:flex-start;gap:18px}
}

@media (max-width:760px){
  .wrap{padding:0 20px}
  .section{padding:78px 0}
  .hero{padding:110px 0 56px;min-height:auto}
  .hero__inner{padding:0 20px}
  .stats__inner{grid-template-columns:repeat(2,1fr);padding:0 20px}
  .stat{padding:22px 16px;border-right:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .stat:last-child{grid-column:span 2;text-align:center;align-items:center}
  .hero__title{font-size:clamp(32px,9vw,44px)}
  .hero__desc{font-size:14.5px}
  .hero__cta{gap:10px}
  .btn{height:48px;padding:0 22px;font-size:13.5px}
  .stage{min-height:300px}
  .stage__meta{grid-template-columns:1fr 1fr;gap:12px}
  .stage__meta div:last-child{display:none}
  .stage__badge{top:2%;font-size:11px}
  .stage__hint{display:none}
  .stage__tools{right:-4px}
  .stage__tool{width:36px;height:36px}
  .cards{grid-template-columns:1fr}
  .cards--home,.cases--home{grid-template-columns:1fr}
  .news-grid,.news-grid--home{grid-template-columns:1fr}
  .modes,.packs{grid-template-columns:1fr}
  .article__head{padding-top:108px}
  .article__body{padding-top:30px;font-size:14.5px}
  .article__hero{margin-top:22px}
  .article__cta{padding:18px 16px;flex-direction:column;align-items:flex-start}
  .article__cta-tel{width:100%;text-align:center;font-size:18px}
  .pcard__media{height:132px}
  .cad-notes{grid-template-columns:1fr}
  .cad-tools{right:8px;top:8px}
  .cad-stage{height:clamp(280px,56vw,380px)}
  .page-hero{padding:108px 0 30px}
  .why{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .scenes{grid-template-columns:1fr 1fr}
  .cases{grid-template-columns:1fr}
  .case--lg{grid-column:auto}
  .case--lg .case__visual{height:210px}
  .case__visual{height:160px}
  .specs__row{grid-template-columns:1fr 1.35fr;padding:13px 16px;gap:10px;font-size:12.4px}
  .specs__row span:nth-child(3){display:none}
  .specs__row--head span:nth-child(3){display:none}
  .about__grid{grid-template-columns:1fr}
  .call-card{padding:24px 20px;gap:11px}
  .call-card__tel{padding:13px 15px;font-size:23px;gap:9px}
  .call-card__tel svg{width:19px;height:19px}
  .call-card__btn{height:50px;font-size:14px}
  .call-card h3{font-size:17px}
  .footer__top{grid-template-columns:1fr;gap:30px}
  .footer{padding-bottom:86px}
  .nav__inner{padding:14px 20px}
  .brand__text strong{font-size:15.5px}
  .nav__actions .btn{display:none}
  .to-top{bottom:86px;right:16px;width:40px;height:40px}
  .mobile-bar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:95;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(5,13,25,.94);border-top:1px solid var(--line);
    backdrop-filter:blur(16px);
  }
  .mobile-bar__call{
    display:flex;align-items:center;justify-content:center;gap:9px;
    height:46px;border-radius:12px;background:var(--grad-btn);
    color:#04101f;font-weight:700;font-size:14px;letter-spacing:.02em;
  }
  .mobile-bar__call svg{width:17px;height:17px}
  .quote>p{min-height:0}
  .media-card__scene{padding:26px 18px}
  .slice span{font-size:11px}
  .section__sub{max-width:none}
}

@media (max-width:420px){
  .scenes{grid-template-columns:1fr}
  .hero__points{gap:14px;font-size:12.5px}
  .stats__inner{grid-template-columns:1fr 1fr}
}

@media (max-width:1180px){
  .lab{grid-template-columns:1fr;gap:16px}
  .lab__stage{height:clamp(360px,56vw,470px)}
  .lab__panel{height:auto}
  .mlist{display:grid;grid-template-columns:1fr 1fr;gap:6px;flex:none;overflow:visible;max-height:none;padding-right:0}
  .studio__main{grid-template-columns:1fr}
  .studio__stage{min-height:430px}
  .studio__info{border-left:0;border-top:1px solid var(--line);padding:22px 20px}
  .studio__info p{flex:none}
  .spec-card--wide{grid-template-columns:1fr 1fr;gap:14px 22px}
  .spec-card--wide .spec-card__rows{border-left:0;padding-left:0}
  .spec-card--wide p{grid-column:1/-1;border-left:0;padding-left:0;max-height:none}
  .spec-card--wide .btn{grid-column:1/-1;width:100%}
}

@media (max-width:760px){
  .lab__stage{height:clamp(280px,64vw,340px)}
  .mlist{grid-template-columns:1fr}
  .lab__panel{gap:10px}
  .studio__stage{min-height:300px}
  .studio__bar{padding:12px 14px;gap:10px}
  .studio__label{width:100%;font-size:9px;letter-spacing:.14em}
  .studio__tabs{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;padding-bottom:3px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .studio__tabs::-webkit-scrollbar{display:none}
  .studio__tab{flex:0 0 auto;padding:5px 10px}
  .studio__tab span{font-size:10.4px}
  .studio__info{padding:18px 16px}
  .studio__info h3{font-size:15.5px}
  .case__play{opacity:1;transform:translateX(-50%)}
  .case{min-width:0}
  .case__play span:not(.case__play-ico){font-size:10.6px}
  .pcard__foot .pcard__link{font-size:11.5px}
  .spec-card--wide{grid-template-columns:1fr;padding:16px 16px}
  .map-block{margin-top:44px;padding-top:36px}
  .map-card__frame{height:236px}
  .map-card__foot{padding:13px 16px;gap:10px}
  .mlist__note{display:none}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   白天模式（浅色主题）
   data-theme="light" 时启用；3D 场景保持深色"取景窗"外观
   ============================================================ */
:root[data-theme="light"]{
  color-scheme:light;
  --ink:#eef2f7;
  --deep:#eef2f7;
  --deep-2:#f5f8fc;
  --deep-3:#ffffff;
  --text:#1b2c3f;
  --text-2:#33485e;
  --muted:#5d7286;
  --blue:#2564c8;
  --blue-2:#1d55ad;
  --blue-soft:#2564c8;
  --cyan:#0b8fa3;
  --gold:#a4701f;
  --line:rgba(23,54,90,.12);
  --line-2:rgba(23,54,90,.2);
  --glass:rgba(255,255,255,.72);
  --glass-2:rgba(255,255,255,.9);
  --shadow:0 30px 80px -46px rgba(16,40,70,.38);
  --grad:linear-gradient(102deg,#1f5fbf 0%,#2f7fe8 46%,#0b94a8 100%);
  --grad-btn:linear-gradient(135deg,#2f7fe8 0%,#3f8cff 50%,#12a8bd 100%);
}

[data-theme="light"] body{background:#eef2f7;color:#33485e}
[data-theme="light"] body::before{
  background:
    radial-gradient(1100px 700px at 78% -8%,rgba(47,127,232,.12),transparent 62%),
    radial-gradient(900px 620px at 4% 22%,rgba(11,143,163,.07),transparent 60%),
    radial-gradient(1200px 800px at 50% 108%,rgba(30,90,180,.08),transparent 65%);
}
[data-theme="light"] .grain{opacity:.14;mix-blend-mode:multiply}
[data-theme="light"] .cursor-glow{background:radial-gradient(circle,rgba(47,127,232,.10),transparent 66%)}
[data-theme="light"] .grad{background-image:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* 导航 */
[data-theme="light"] .nav.is-stuck{
  background:rgba(255,255,255,.88);border-bottom-color:rgba(23,54,90,.1);
  box-shadow:0 18px 50px -34px rgba(16,40,70,.45);
}
[data-theme="light"] .brand__text strong{color:#12253c}
[data-theme="light"] .brand__text em{color:#6d8296}
[data-theme="light"] .nav__links a{color:#3b5068}
[data-theme="light"] .nav__links a:hover,[data-theme="light"] .nav__links a.is-active{color:#12253c}
[data-theme="light"] .nav__tel{color:#24507f;border-color:rgba(23,54,90,.16);background:rgba(255,255,255,.7)}
[data-theme="light"] .nav__tel:hover{background:rgba(47,127,232,.08);color:#12253c}
[data-theme="light"] .nav__tel svg{color:#0b8fa3}
[data-theme="light"] .nav__burger{border-color:rgba(23,54,90,.16);background:rgba(255,255,255,.6)}
[data-theme="light"] .nav__burger span{background:#33485e}
[data-theme="light"] .nav__links.is-open{background:linear-gradient(180deg,#ffffff,#f2f6fb)}

/* 首屏 */
[data-theme="light"] .hero__title{color:#0f2033}
[data-theme="light"] .hero__desc{color:#3b5068}
[data-theme="light"] .hero__desc b{color:#12253c}
[data-theme="light"] .hero__points{color:#5d7286}
[data-theme="light"] .eyebrow{color:#2564c8}
[data-theme="light"] .eyebrow__dot{background:#0b8fa3;box-shadow:0 0 0 4px rgba(11,143,163,.12),0 0 14px rgba(11,143,163,.5)}
[data-theme="light"] .hero__scroll{color:#7d93a9}
[data-theme="light"] .grid-lines{
  background-image:linear-gradient(rgba(23,54,90,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(23,54,90,.07) 1px,transparent 1px);
}
[data-theme="light"] .orb--1{background:radial-gradient(circle,rgba(45,120,235,.28),transparent 68%)}
[data-theme="light"] .orb--2{background:radial-gradient(circle,rgba(11,143,163,.18),transparent 70%)}

/* 3D 取景窗：白天模式使用浅色天空，夜间按钮单独压暗 */
[data-theme="light"] .hero .stage{
  background:radial-gradient(62% 62% at 50% 40%,#fdfeff 0%,#edf4fb 58%,#dde8f3 100%);
  border-radius:var(--r);
  box-shadow:0 40px 90px -62px rgba(10,30,60,.45);
}
[data-theme="light"] .lab__stage{
  background:radial-gradient(56% 52% at 52% 44%,#fdfeff 0%,#eaf2fa 74%),#eaf2fa;
}
[data-theme="light"] .studio__stage{background:radial-gradient(60% 55% at 50% 44%,#fdfeff 0%,#eaf2fa 76%),#eaf2fa}
[data-theme="light"] .cad-stage{background:radial-gradient(72% 62% at 50% 40%,#123049,#081521 82%),#081521}
[data-theme="light"] .stage__badge,[data-theme="light"] .stage__hint{
  background:rgba(255,255,255,.84);border-color:rgba(23,54,90,.14);color:#33485e;
}
[data-theme="light"] .stage__badge-v{color:#12253c}
[data-theme="light"] .stage__badge-k{color:#5d7286}
[data-theme="light"] .stage__tool{background:rgba(255,255,255,.86);border-color:rgba(23,54,90,.16);color:#3b5068}
[data-theme="light"] .stage__meta{border-top-color:rgba(23,54,90,.12)}
[data-theme="light"] .stage__meta span{color:#5d7286}
[data-theme="light"] .stage__meta b{color:#12253c}
[data-theme="light"] .stage__hint span{color:#4a6076}
[data-theme="light"] .stage__tool:hover{color:#12253c;background:rgba(47,127,232,.14)}

/* 区块与文字 */
[data-theme="light"] .section--alt{
  background:linear-gradient(180deg,rgba(226,235,245,.92),rgba(244,247,251,.55) 55%,rgba(226,235,245,.92));
  border-color:rgba(23,54,90,.1);
}
[data-theme="light"] .section--alt::before{
  background-image:linear-gradient(rgba(23,54,90,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,54,90,.055) 1px,transparent 1px);
}
[data-theme="light"] .h2{color:#0f2033}
[data-theme="light"] .lead{color:#3b5068}
[data-theme="light"] .section__sub{color:#5d7286}

/* 数据条 */
[data-theme="light"] .stats{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(238,243,249,.7));border-color:rgba(23,54,90,.1)}
[data-theme="light"] .stat{border-right-color:rgba(23,54,90,.1)}
[data-theme="light"] .stat span{color:#5d7286}

/* 关于 */
[data-theme="light"] .media-card{background:linear-gradient(160deg,#ffffff,#f3f7fb);border-color:rgba(23,54,90,.12)}
[data-theme="light"] .media-card::before{background:radial-gradient(80% 60% at 70% 0%,rgba(47,127,232,.12),transparent 65%)}
[data-theme="light"] .slice{border-color:rgba(23,54,90,.12);background:linear-gradient(100deg,#f7fafd,#eef4fa)}
[data-theme="light"] .slice span{color:#3b5068}
[data-theme="light"] .slice:hover{background:linear-gradient(100deg,#e6f0fb,#f4f8fd);border-color:rgba(37,100,200,.4)}
[data-theme="light"] .media-card__foot{background:rgba(255,255,255,.7);border-top-color:rgba(23,54,90,.1);color:#5d7286}
[data-theme="light"] .media-card__tag{background:rgba(11,143,163,.1);color:#0b7c8c;border-color:rgba(11,143,163,.25)}
[data-theme="light"] .about__body p{color:#3b5068}
[data-theme="light"] .mini{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .mini h4{color:#12253c}
[data-theme="light"] .mini p{color:#4a6076}
[data-theme="light"] .about__sign b{color:#12253c}
[data-theme="light"] .about__sign span{color:#5d7286}

/* 产品卡 */
[data-theme="light"] .pcard{background:linear-gradient(165deg,#ffffff,#f5f8fc);border-color:rgba(23,54,90,.12);box-shadow:0 22px 50px -44px rgba(16,40,70,.4)}
[data-theme="light"] .pcard:hover{border-color:rgba(37,100,200,.4);box-shadow:0 28px 60px -40px rgba(20,70,150,.4)}
[data-theme="light"] .pcard__media{background:radial-gradient(62% 72% at 50% 38%,rgba(47,127,232,.14),transparent 74%),#eaf1f8;border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .pcard h3{color:#12253c}
[data-theme="light"] .pcard>p{color:#4a6076}
[data-theme="light"] .pcard__no{color:#8aa0b6}
[data-theme="light"] .pcard__badge{background:rgba(47,127,232,.12);color:#2564c8;border-color:rgba(47,127,232,.3)}
[data-theme="light"] .pcard__badge--gold{background:rgba(176,125,40,.14);color:#8a6220;border-color:rgba(176,125,40,.3)}
[data-theme="light"] .pcard__spec li{background:rgba(37,100,200,.07);color:#456; border-color:rgba(23,54,90,.1)}
[data-theme="light"] .pcard__link{color:#2564c8;border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .pcard:hover .pcard__link{color:#1d55ad}
[data-theme="light"] .pcard__3d{color:#2564c8;border-color:rgba(37,100,200,.3);background:rgba(37,100,200,.07)}
[data-theme="light"] .pcard__3d:hover{background:rgba(37,100,200,.16);border-color:rgba(37,100,200,.6);color:#12253c}
[data-theme="light"] .pcard--feature{background:linear-gradient(165deg,#ffffff,#eaf2fb);border-color:rgba(37,100,200,.3)}

/* 分类 tab */
[data-theme="light"] .tabs .tab{background:rgba(255,255,255,.8);border-color:rgba(23,54,90,.12);color:#3b5068}
[data-theme="light"] .tabs .tab:hover{color:#12253c;border-color:rgba(37,100,200,.4)}
[data-theme="light"] .tabs .tab.is-on{background:linear-gradient(135deg,rgba(47,127,232,.16),rgba(11,143,163,.1));border-color:rgba(37,100,200,.5);color:#12253c;box-shadow:0 0 24px -12px rgba(37,100,200,.6)}

/* 技术参数 */
[data-theme="light"] .specs__table{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .specs__row{border-bottom-color:rgba(23,54,90,.08)}
[data-theme="light"] .specs__row:hover{background:rgba(47,127,232,.05)}
[data-theme="light"] .specs__row span:nth-child(1){color:#5d7286}
[data-theme="light"] .specs__row span:nth-child(2){color:#12253c}
[data-theme="light"] .specs__row span:nth-child(3){color:#5d7286}
[data-theme="light"] .specs__row--head{background:#eef4fa}
[data-theme="light"] .specs__row--head span{color:#2564c8 !important}
[data-theme="light"] .aside-card{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .aside-card h4{color:#12253c}
[data-theme="light"] .aside-card p{color:#4a6076}
[data-theme="light"] .aside-card b{color:#2564c8}
[data-theme="light"] .aside-card--accent{background:linear-gradient(150deg,#e9f2fd,#f7fbff);border-color:rgba(37,100,200,.3)}

/* 流程 / 场景 / 优势 */
[data-theme="light"] .flow__item{background:linear-gradient(160deg,#ffffff,#f4f8fc);border-color:rgba(23,54,90,.12)}
[data-theme="light"] .flow__item:hover{background:linear-gradient(160deg,#f2f8ff,#ffffff);border-color:rgba(37,100,200,.32)}
[data-theme="light"] .flow__no{color:#2564c8}
[data-theme="light"] .flow__item h4{color:#12253c}
[data-theme="light"] .flow__item p{color:#4a6076}
[data-theme="light"] .scene-card{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .scene-card:hover{background:#f4f9ff;border-color:rgba(11,143,163,.35)}
[data-theme="light"] .scene-card h4{color:#12253c}
[data-theme="light"] .scene-card p{color:#4a6076}
[data-theme="light"] .scene-card__ico{background:rgba(47,127,232,.1);border-color:rgba(47,127,232,.22)}
[data-theme="light"] .why{background:rgba(23,54,90,.1);border-color:rgba(23,54,90,.1)}
[data-theme="light"] .why__item{background:#ffffff}
[data-theme="light"] .why__item:hover{background:#f3f8fe}
[data-theme="light"] .why__item span{color:#2564c8}
[data-theme="light"] .why__item h4{color:#12253c}
[data-theme="light"] .why__item p{color:#4a6076}

/* 案例 */
[data-theme="light"] .case{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .case:hover{border-color:rgba(37,100,200,.35);box-shadow:0 30px 60px -42px rgba(20,70,150,.4)}
[data-theme="light"] .case__info h3{color:#12253c}
[data-theme="light"] .case__info p{color:#4a6076}
[data-theme="light"] .case__tag{background:rgba(11,143,163,.1);color:#0b7c8c;border-color:rgba(11,143,163,.25)}
[data-theme="light"] .case__info ul li{color:#5d7286}
[data-theme="light"] .case__visual{background:#dfe8f2}
[data-theme="light"] .case__visual--photo::after{background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.06) 58%,rgba(255,255,255,.5) 100%)}

/* 评价 / FAQ */
[data-theme="light"] .quote{background:linear-gradient(160deg,#ffffff,#f4f8fc);border-color:rgba(23,54,90,.12)}
[data-theme="light"] .quote>p{color:#3b5068}
[data-theme="light"] .quote::before{color:rgba(37,100,200,.16)}
[data-theme="light"] .quote figcaption{border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .quote figcaption b{color:#12253c}
[data-theme="light"] .quote figcaption span{color:#5d7286}
[data-theme="light"] .quote__av{background:linear-gradient(140deg,rgba(47,127,232,.18),rgba(11,143,163,.1));border-color:rgba(37,100,200,.28);color:#2564c8}
[data-theme="light"] .faq{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .faq[open]{background:#f7faff;border-color:rgba(37,100,200,.3)}
[data-theme="light"] .faq summary{color:#12253c}
[data-theme="light"] .faq summary i{border-color:rgba(37,100,200,.3)}
[data-theme="light"] .faq summary i::before,[data-theme="light"] .faq summary i::after{background:#2564c8}
[data-theme="light"] .faq__body{color:#4a6076}
[data-theme="light"] .faq__body p{border-top-color:rgba(23,54,90,.1)}

/* 服务区域 */
[data-theme="light"] .area-card{background:linear-gradient(160deg,#ffffff,#f4f8fc);border-color:rgba(23,54,90,.12)}
[data-theme="light"] .area-card:hover{background:linear-gradient(160deg,#f2f8ff,#ffffff);border-color:rgba(37,100,200,.32)}
[data-theme="light"] .area-card__k{color:#5d7286}
[data-theme="light"] .area-card h3{color:#12253c}
[data-theme="light"] .area-card__tags li{background:rgba(37,100,200,.06);border-color:rgba(23,54,90,.1);color:#3b5068}
[data-theme="light"] .area-card:hover .area-card__tags li{background:rgba(37,100,200,.12);border-color:rgba(37,100,200,.3);color:#12253c}
[data-theme="light"] .area-card__hint{color:#5d7286;border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .area-note{background:linear-gradient(120deg,#e9f2fd,#f7fbff);border-color:rgba(37,100,200,.26)}
[data-theme="light"] .area-note p{color:#3b5068}
[data-theme="light"] .area-note b{color:#12253c}

/* 联系 / 电话卡 */
[data-theme="light"] .contact__glow{background:radial-gradient(ellipse at center,rgba(45,120,235,.14),transparent 68%)}
[data-theme="light"] .contact__list li{border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .contact__list b{color:#5d7286}
[data-theme="light"] .contact__list span{color:#33485e}
[data-theme="light"] .call-card{background:linear-gradient(165deg,#ffffff,#eef4fb);border-color:rgba(37,100,200,.28);box-shadow:0 40px 100px -56px rgba(16,40,70,.5)}
[data-theme="light"] .call-card__k{color:#5d7286}
[data-theme="light"] .call-card h3{color:#12253c}
[data-theme="light"] .call-card__tel{background:linear-gradient(120deg,rgba(47,127,232,.14),rgba(11,143,163,.08));border-color:rgba(37,100,200,.35);color:#12253c}
[data-theme="light"] .call-card__tel svg{color:#0b8fa3}
[data-theme="light"] .call-card__tel:hover{background:linear-gradient(120deg,rgba(47,127,232,.22),rgba(11,143,163,.12));border-color:rgba(37,100,200,.6)}
[data-theme="light"] .call-card__hint{color:#5d7286}
[data-theme="light"] .call-card__copy{color:#2564c8;border-color:rgba(37,100,200,.3)}
[data-theme="light"] .call-card__copy:hover{background:rgba(37,100,200,.08);color:#12253c}
[data-theme="light"] .call-card__points{border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .call-card__points li{color:#3b5068}
[data-theme="light"] .call-card__note{color:#5d7286}

/* 地图 */
[data-theme="light"] .map-card{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .map-card__frame{background:linear-gradient(135deg,#eaf1f8,#f7fafd)}
[data-theme="light"] .map-card__frame::before{color:#7d93a9}
[data-theme="light"] .map-card__foot{background:#f7fafd;border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .map-card__txt b{color:#12253c}
[data-theme="light"] .map-card__txt span{color:#5d7286}
[data-theme="light"] .map-card__link{color:#2564c8;border-color:rgba(37,100,200,.28);background:rgba(37,100,200,.06)}
[data-theme="light"] .map-note{color:#5d7286}

/* 内页头 / 面包屑 */
[data-theme="light"] .page-hero{background:radial-gradient(70% 80% at 78% -10%,rgba(47,127,232,.12),transparent 62%),linear-gradient(180deg,rgba(255,255,255,.7),transparent 92%);border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .crumbs{color:#5d7286}
[data-theme="light"] .crumbs a{color:#2564c8}
[data-theme="light"] .crumbs i{color:#9db0c4}
[data-theme="light"] .page-hero__sub{color:#5d7286}

/* 3D 展厅面板 */
[data-theme="light"] .lab__fallback{background:rgba(255,255,255,.92)}
[data-theme="light"] .lab__fallback span{color:#5d7286}
[data-theme="light"] .mlist__item{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .mlist__item:hover{background:#f4f9ff;border-color:rgba(37,100,200,.3)}
[data-theme="light"] .mlist__item.is-on{background:linear-gradient(135deg,rgba(47,127,232,.14),rgba(11,143,163,.08));border-color:rgba(37,100,200,.5);box-shadow:0 0 26px -14px rgba(37,100,200,.8)}
[data-theme="light"] .mlist__no{color:#8aa0b6}
[data-theme="light"] .mlist__item.is-on .mlist__no{color:#0b8fa3}
[data-theme="light"] .mlist__txt b{color:#12253c}
[data-theme="light"] .mlist__txt span{color:#5d7286}
[data-theme="light"] .mlist__note{background:#f7fafd;border-color:rgba(23,54,90,.14)}
[data-theme="light"] .mlist__note b{color:#2564c8}
[data-theme="light"] .mlist__note span{color:#5d7286}
[data-theme="light"] .spec-card{background:linear-gradient(165deg,#ffffff,#f4f8fc);border-color:rgba(23,54,90,.12)}
[data-theme="light"] .spec-card__head b{color:#12253c}
[data-theme="light"] .spec-card__head span{color:#8aa0b6}
[data-theme="light"] .spec-card__rows i{color:#5d7286}
[data-theme="light"] .spec-card__rows b{color:#12253c}
[data-theme="light"] .spec-card p{color:#4a6076;border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .spec-card__facts li{color:#5d7286}
[data-theme="light"] .spec-card--wide p{border-left-color:rgba(23,54,90,.1)}
[data-theme="light"] .spec-card--wide .spec-card__rows{border-left-color:rgba(23,54,90,.1)}
[data-theme="light"] .studio{background:linear-gradient(180deg,#ffffff,#f4f8fc);border-color:rgba(37,100,200,.24)}
[data-theme="light"] .studio__bar{background:#f7fafd;border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .studio__label{color:#2564c8}
[data-theme="light"] .studio__tab{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .studio__tab b{color:#5d7286}
[data-theme="light"] .studio__tab span{color:#3b5068}
[data-theme="light"] .studio__tab:hover{background:#f4f9ff;border-color:rgba(37,100,200,.3)}
[data-theme="light"] .studio__tab.is-on{background:linear-gradient(135deg,rgba(47,127,232,.16),rgba(11,143,163,.08));border-color:rgba(37,100,200,.5);box-shadow:0 0 24px -14px rgba(37,100,200,.8)}
[data-theme="light"] .studio__tab.is-on b{color:#2564c8}
[data-theme="light"] .studio__tab.is-on span{color:#12253c}
[data-theme="light"] .studio__info{background:#f7fafd;border-left-color:rgba(23,54,90,.1)}
[data-theme="light"] .studio__kicker{color:#8aa0b6}
[data-theme="light"] .studio__info h3{color:#12253c}
[data-theme="light"] .studio__info p{color:#4a6076}
[data-theme="light"] .studio__facts li{color:#5d7286;border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .studio__facts b{color:#12253c}

/* CAD */
[data-theme="light"] .cad-side__head h2{color:#12253c}
[data-theme="light"] .cad-side__head p{color:#5d7286}
[data-theme="light"] .cad-item{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .cad-item:hover{background:#f4f9ff;border-color:rgba(37,100,200,.3)}
[data-theme="light"] .cad-item.is-on{background:linear-gradient(135deg,rgba(47,127,232,.14),rgba(11,143,163,.08));border-color:rgba(37,100,200,.5);box-shadow:0 0 24px -14px rgba(37,100,200,.8)}
[data-theme="light"] .cad-item__no{color:#8aa0b6}
[data-theme="light"] .cad-item.is-on .cad-item__no{color:#0b8fa3}
[data-theme="light"] .cad-item__txt b{color:#12253c}
[data-theme="light"] .cad-item__txt span{color:#5d7286}
[data-theme="light"] .cad-tip{background:#f7fafd;border-color:rgba(23,54,90,.14)}
[data-theme="light"] .cad-tip b{color:#2564c8}
[data-theme="light"] .cad-meta{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .cad-meta__head b{color:#12253c}
[data-theme="light"] .cad-meta__head span{color:#8aa0b6}
[data-theme="light"] .cad-meta__rows{color:#33485e}
[data-theme="light"] .cad-meta__rows i{color:#5d7286}
[data-theme="light"] .cad-meta p{color:#4a6076;border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .cad-tools .cad-tool{background:rgba(8,20,34,.72);border-color:rgba(122,176,255,.22);color:#a9c6e8}
[data-theme="light"] .cad-scale{background:rgba(8,20,34,.72);border-color:rgba(122,176,255,.22);color:#9db8d4}

/* 动态 / 文章 */
[data-theme="light"] .news-card{background:#ffffff;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .news-card:hover{border-color:rgba(37,100,200,.35);box-shadow:0 28px 60px -42px rgba(20,70,150,.4)}
[data-theme="light"] .news-card__media{background:#e9f0f8}
[data-theme="light"] .news-card__meta{color:#5d7286}
[data-theme="light"] .news-card__meta em{color:#2564c8}
[data-theme="light"] .news-card__title{color:#12253c}
[data-theme="light"] .news-card__excerpt{color:#4a6076}
[data-theme="light"] .news-card__more{color:#2564c8}
[data-theme="light"] .article__meta{color:#5d7286}
[data-theme="light"] .article__meta em{color:#2564c8}
[data-theme="light"] .article__title{color:#0f2033}
[data-theme="light"] .article__lead{color:#3b5068}
[data-theme="light"] .article__hero{background:#e9f0f8;border-color:rgba(23,54,90,.12)}
[data-theme="light"] .article__body{color:#33485e}
[data-theme="light"] .article__body h2{color:#0f2033;border-left-color:#2564c8}
[data-theme="light"] .article__body h3{color:#12253c}
[data-theme="light"] .article__body strong{color:#12253c}
[data-theme="light"] .article__body .phone{color:#1d55ad;border-bottom-color:rgba(37,100,200,.5)}
[data-theme="light"] .article__tip{background:rgba(11,143,163,.06);border-color:rgba(11,143,163,.22);color:#2c4a5e}
[data-theme="light"] .article__tip b{color:#12253c}
[data-theme="light"] .article__cta{background:linear-gradient(120deg,#e9f2fd,#f7fbff);border-color:rgba(37,100,200,.28)}
[data-theme="light"] .article__cta b{color:#12253c}
[data-theme="light"] .article__cta span{color:#5d7286}
[data-theme="light"] .article__cta-tel{background:rgba(47,127,232,.12);border-color:rgba(37,100,200,.4);color:#12253c}
[data-theme="light"] .article__cta-tel:hover{background:rgba(47,127,232,.2);border-color:rgba(37,100,200,.7)}
[data-theme="light"] .article__nav{border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .article__nav a{color:#2564c8}
[data-theme="light"] .article__foot-note{color:#7d93a9}

/* 页脚 / 移动端 */
[data-theme="light"] .footer{background:linear-gradient(180deg,#f7fafd,#eef2f7);border-top-color:rgba(23,54,90,.1)}
[data-theme="light"] .footer__top{border-bottom-color:rgba(23,54,90,.1)}
[data-theme="light"] .footer__brand p{color:#5d7286}
[data-theme="light"] .footer__col h5{color:#12253c}
[data-theme="light"] .footer__col a,[data-theme="light"] .footer__col span{color:#5d7286}
[data-theme="light"] .footer__col a:hover{color:#2564c8}
[data-theme="light"] .footer__col--tel .footer__tel{color:#2564c8}
[data-theme="light"] .footer__bottom{color:#7d93a9}
[data-theme="light"] .to-top{background:rgba(255,255,255,.9);border-color:rgba(23,54,90,.16);color:#3b5068}
[data-theme="light"] .to-top:hover{border-color:rgba(37,100,200,.5);color:#12253c}
[data-theme="light"] .mobile-bar{background:rgba(255,255,255,.96);border-top-color:rgba(23,54,90,.12)}

/* 按钮 */
[data-theme="light"] .btn--ghost{border-color:rgba(23,54,90,.18);color:#2b4360;background:rgba(255,255,255,.7)}
[data-theme="light"] .btn--ghost:hover{border-color:rgba(37,100,200,.5);background:rgba(47,127,232,.08)}

/* 主题切换按钮 */
.theme-toggle{
  width:38px;height:38px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(10,26,46,.55);
  color:#a9c6e8;transition:background .3s,border-color .3s,color .3s,transform .3s;
}
.theme-toggle svg{width:17px;height:17px;display:block}
.theme-toggle .ico-moon{display:none}
[data-theme="light"] .theme-toggle{background:#fff;border-color:rgba(23,54,90,.16);color:#2f4a68}
[data-theme="light"] .theme-toggle .ico-sun{display:none}
[data-theme="light"] .theme-toggle .ico-moon{display:block}
.theme-toggle:hover{color:#fff;border-color:var(--line-2);transform:rotate(-12deg)}
[data-theme="light"] .theme-toggle:hover{color:#12253c;background:#f2f7fc}
/* 3D 降级：重试按钮 / 本地打开提示条 */
.lab__retry{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:3;
  padding:7px 16px;border-radius:999px;cursor:pointer;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
  color:#cfe4fb;background:rgba(10,26,46,.82);border:1px solid rgba(122,176,255,.28);
  transition:.3s;
}
.lab__retry:hover{color:#fff;border-color:rgba(63,140,255,.7);background:rgba(30,70,130,.9)}

.proto-warn{
  position:fixed;left:0;right:0;top:0;z-index:999;
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  padding:9px 18px;font-size:12.5px;line-height:1.6;color:#241a04;
  background:linear-gradient(90deg,#ffd47a,#ffc247);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.6);
}
.proto-warn b{font-size:13px}
.proto-warn code{font-family:var(--mono);font-size:11.5px;background:rgba(0,0,0,.12);padding:1px 6px;border-radius:4px}
.proto-warn a{color:#0b3a7a;font-weight:700;border-bottom:1px solid rgba(11,58,122,.5)}
.proto-warn__x{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(0,0,0,.12);color:#241a04;font-size:13px;line-height:1;
}
body.has-proto-warn{padding-top:44px}
/* CAD 图纸降级提示 */
.cad-fallback{
  position:absolute;inset:0;z-index:4;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;padding:28px;text-align:center;
  background:linear-gradient(180deg,rgba(8,21,33,.96),rgba(6,16,26,.98));
}
.cad-fallback[hidden]{display:none}
.cad-fallback b{font-size:15px;color:#eaf3ff}
.cad-fallback span{max-width:460px;font-size:12.5px;line-height:1.9;color:#8ba3bf}
.cad-fallback code{font-family:var(--mono);font-size:11.5px;color:#9fd0ff}
.cad-fallback a{
  margin-top:4px;padding:8px 18px;border-radius:999px;font-family:var(--mono);font-size:12.5px;
  color:#04101f;background:var(--grad-btn);font-weight:700;
}

/* ================= 排版与样式微调 ================= */
.h2{letter-spacing:-.02em;line-height:1.22}
.section__sub{line-height:1.95}
.eyebrow{letter-spacing:.22em}

[data-theme="light"] body{background:linear-gradient(180deg,#eef3f9 0%,#e8eef7 42%,#eef2f7 100%)}
[data-theme="light"] .hero__title{letter-spacing:-.035em}
[data-theme="light"] .btn--primary{box-shadow:0 18px 36px -24px rgba(37,100,200,.7)}
[data-theme="light"] .pcard,
[data-theme="light"] .case,
[data-theme="light"] .news-card,
[data-theme="light"] .mode-card,
[data-theme="light"] .pack,
[data-theme="light"] .area-card,
[data-theme="light"] .faq{border-radius:16px}
[data-theme="light"] .lab__stage,
[data-theme="light"] .studio__stage,
[data-theme="light"] .cad-stage,
[data-theme="light"] .hero .stage{
  border:1px solid rgba(12,34,60,.34);
  box-shadow:0 44px 90px -64px rgba(10,30,60,.55);
}
[data-theme="light"] .section--alt{border-top:1px solid rgba(23,54,90,.06);border-bottom:1px solid rgba(23,54,90,.06)}
[data-theme="light"] .footer{background:linear-gradient(180deg,#f8fbfe,#e9eff7)}

@media (max-width:760px){
  .section__head{gap:14px}
  .h2{font-size:clamp(23px,6.2vw,30px);line-height:1.3}
  .modes,.packs{gap:12px}
  .mode-card,.pack{padding:20px 18px}
  .hero__title{letter-spacing:-.03em}
  .article__title{line-height:1.4}
}

/* ============================================================
   门窗系列 / 电动卷帘门（新增）
   ============================================================ */
.win-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin-bottom:30px}
.win-card{
  position:relative;border:1px solid var(--line);border-radius:14px;
  background:var(--glass);padding:18px 10px 15px;text-align:center;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,background .35s;
}
.win-card:hover{transform:translateY(-5px);border-color:rgba(63,140,255,.45);background:rgba(63,140,255,.09)}
.win-card svg{width:46px;height:46px;margin:0 auto 12px;display:block;color:var(--blue-soft)}
.win-card b{display:block;font-size:13.5px;font-weight:600;color:var(--text);letter-spacing:.01em;margin-bottom:4px}
.win-card span{font-size:11px;color:var(--muted)}

.roller-feature{
  display:grid;grid-template-columns:1.04fr .96fr;gap:38px;align-items:center;
  border:1px solid var(--line-2);border-radius:var(--r-lg);padding:38px;
  background:linear-gradient(150deg,rgba(63,140,255,.10),transparent 62%),var(--glass);
  position:relative;overflow:hidden;
}
.roller-feature::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,232,.18),transparent 68%);pointer-events:none;
}
.roller-feature h3{font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;color:var(--text);margin-bottom:14px}
.roller-feature p{font-size:14.5px;color:var(--muted);line-height:1.9;margin-bottom:18px}
.roller-feature ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin-bottom:26px}
.roller-feature li{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--text-2)}
.roller-feature li i{width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--cyan);flex-shrink:0}
.roller-feature__cta{display:flex;gap:12px;flex-wrap:wrap}
.roller-feature__media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#eaf2fa}
.roller-feature__media img{width:100%;height:auto;display:block}

/* 产品图：SVG 插画使用 contain，避免被裁切 */
.pcard__media--art img{object-fit:contain;padding:6px}

/* 服务区域：12 个区旗县 */
.areas--single{grid-template-columns:1fr}
.area-card--wide .area-card__tags{grid-template-columns:repeat(4,1fr);display:grid}
.area-card__tags li{justify-content:center}

/* 细节优化 */
.section__head{gap:44px}
.pcard h3{letter-spacing:-.005em}
.pcard__media{overflow:hidden}
.footer__col a{transition:color .25s,transform .25s}
.footer__col a:hover{transform:translateX(2px)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

@media (max-width:1180px){
  .win-grid{grid-template-columns:repeat(4,1fr)}
  .roller-feature{grid-template-columns:1fr;padding:30px}
}
@media (max-width:900px){
  .areas--single{grid-template-columns:1fr}
  .area-card--wide .area-card__tags{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:760px){
  .win-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stage__tools{right:2px}
  .win-card{padding:14px 8px}
  .win-card svg{width:38px;height:38px;margin-bottom:9px}
  .roller-feature{padding:22px;gap:24px}
  .roller-feature ul{grid-template-columns:1fr}
  .area-card--wide .area-card__tags{grid-template-columns:repeat(2,1fr)}
}
/* 联系页：离线位置示意图 */
.map-card__img{width:100%;height:100%;object-fit:cover;display:block;position:relative;z-index:1}
.map-card__frame::before,.map-card__frame::after{display:none}
.map-card__pin{display:none}
.map-card__tag{position:absolute;left:14px;bottom:14px;z-index:2;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid rgba(23,54,90,.14);color:#24507f;font-size:11.5px;font-weight:600;backdrop-filter:blur(6px)}

/* 3D 舞台夜间：连同取景窗背景一起压暗 */
.stage.is-night,.lab__stage.is-night,.studio__stage.is-night{background:radial-gradient(62% 62% at 50% 40%,#173a5c 0%,#0b1b2c 62%,#07131f 100%)}
[data-theme="light"] .hero .stage.is-night{background:radial-gradient(62% 62% at 50% 40%,#173a5c 0%,#0b1b2c 62%,#07131f 100%);box-shadow:0 40px 90px -62px rgba(10,30,60,.75)}
.is-night .stage__badge,.is-night .stage__hint{background:rgba(8,20,34,.74);border-color:rgba(122,176,255,.24);color:#bcd6f2}
.is-night .stage__badge-v{color:#d6e8ff}
.is-night .stage__badge-k{color:#7f9cbd}
.is-night .stage__tool{background:rgba(8,20,34,.74);border-color:rgba(122,176,255,.22);color:#a9c6e8}
.is-night .stage__hint span{color:#9db8d4}