/* ============================================================
   MAGVIX — Magnetic Levitation Conveying Systems
   Design system: light, airy, glassmorphism, signal orange
   ============================================================ */
:root{
  --brand:#FF6A00;
  --brand-2:#F23005;
  --brand-soft:#FFF1E8;
  --cool:#2D5A8A;
  --cool-soft:#EAF2FB;
  --ink:#131C26;
  --ink-2:#55616F;
  --ink-3:#8A94A1;
  --line:rgba(19,28,38,.09);
  --bg:#F5F7FB;
  --white:#FFFFFF;
  --glass-bg:rgba(255,255,255,.62);
  --glass-brd:rgba(255,255,255,.78);
  --glass-shadow:0 14px 40px rgba(21,34,54,.09), inset 0 1px 0 rgba(255,255,255,.95);
  --radius:20px;
  --radius-sm:14px;
  --radius-lg:28px;
  --wrap:1400px;
  --font:'Inter','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --font-disp:'Plus Jakarta Sans','Inter',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad-brand:linear-gradient(120deg,var(--brand),var(--brand-2));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:var(--font);
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  background:
    radial-gradient(1000px 520px at 8% -6%, rgba(255,106,0,.10), transparent 60%),
    radial-gradient(1100px 640px at 102% 4%, rgba(45,90,138,.10), transparent 55%),
    linear-gradient(180deg,#F8FAFD 0%, #F2F5FA 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(255,106,0,.22)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-disp);font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-2);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px}
h1,h2,h3,h4{font-family:var(--font-disp);line-height:1.12;letter-spacing:-.02em}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}
.section-head h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;margin:14px 0 12px}
.section-head h2.nowrap{white-space:nowrap}
.section-head .lead{color:var(--ink-2);font-size:16.5px}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- glass ---------- */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  backdrop-filter:blur(18px) saturate(1.5);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius);
  box-shadow:var(--glass-shadow);
}
.card{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  backdrop-filter:blur(18px) saturate(1.5);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius);
  box-shadow:var(--glass-shadow);
  padding:28px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
}
.card:hover{transform:translateY(-5px);box-shadow:0 22px 54px rgba(21,34,54,.13), inset 0 1px 0 rgba(255,255,255,.95)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-disp);font-weight:700;font-size:15px;line-height:1;
  padding:15px 26px;border-radius:999px;cursor:pointer;border:0;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.btn-arrow svg{width:17px;height:17px;transition:transform .25s var(--ease)}
.btn-arrow:hover svg{transform:translateX(4px)}
.btn svg{flex:0 0 auto}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(242,48,5,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,48,5,.38)}
.btn-ghost{background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--ink);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(255,106,0,.45);color:var(--brand-2)}
.btn-light{background:#fff;color:var(--brand-2)}
.btn-light:hover{transform:translateY(-2px)}
.btn-detailed{
  background:#fff;color:var(--ink-2);
  border:1.5px solid var(--ink-3);
  box-shadow:none;
}
.btn-detailed:hover{
  background:var(--grad-brand);color:#fff;
  border-color:transparent;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(242,48,5,.30);
}
.btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:11px 20px;font-size:14px}

/* ---------- nav (fixed frosted glass) ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:
    radial-gradient(48% 180% at 90% 0%, rgba(255,106,0,.16), transparent 70%),
    radial-gradient(44% 180% at 6% 100%, rgba(56,135,255,.10), transparent 70%),
    rgba(255,253,252,.78);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,.60);
  box-shadow:0 6px 28px rgba(21,34,54,.06);
}
body{padding-top:72px}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:36px}
.scroll-progress{position:absolute;top:calc(100% + 1px);left:0;width:0;height:1px;background:var(--grad-brand);z-index:101;transition:width .06s linear;border-radius:0 1px 1px 0}
.brand{display:flex;align-items:center;gap:11px}
.brand svg{height:46px;width:auto;display:block;flex:0 0 auto}
.foot-brand .brand svg{height:62px;width:auto}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;
  background:var(--grad-brand);width:0;transition:width .25s var(--ease);border-radius:2px;
}
.nav-links a:hover,.nav-links a.active{
  color:var(--brand-2);
}
.nav-links a:hover::after,.nav-links a.active::after{width:calc(100% - 32px)}
.nav-cta{margin-left:14px}
.nav-burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px;color:var(--ink)}
@media (max-width:960px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:block}
  .nav.open .nav-links{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:rgba(250,251,253,.97);padding:14px 22px 20px;gap:2px;
    border-bottom:1px solid var(--line);box-shadow:0 24px 40px rgba(21,34,54,.12);
  }
  .nav.open .nav-links a{padding:13px 12px;font-size:16px}
  .nav.open .nav-cta{display:none}
}

/* ---------- hero (home) — clean light background + soft glow ---------- */
.hero-glow-bg{
  position:absolute;top:0;left:0;right:0;z-index:0;
  height:calc(86vh + 160px);overflow:hidden;pointer-events:none;
  background:
    radial-gradient(70% 60% at 84% 18%, rgba(255,106,0,.14), transparent 58%),
    radial-gradient(55% 48% at 12% 88%, rgba(56,135,255,.10), transparent 56%),
    radial-gradient(60% 70% at 62% 52%, rgba(255,255,255,.80), transparent 60%),
    linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 55%, #EDF2F7 100%);
}
.hero{position:relative;overflow:hidden;padding:96px 0 0;background:transparent;min-height:86vh;display:flex;flex-direction:column;z-index:1}
.hero .wrap{position:relative;z-index:2;width:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-start;padding-top:clamp(28px,5vh,64px);padding-bottom:0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero-copy{padding-top:8px;max-width:720px}
.hero-copy .eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);margin-bottom:18px}
.hero-copy h1{font-size:clamp(46px,5.4vw,68px);font-weight:800;letter-spacing:-.04em;line-height:1.02;margin:0 0 18px;color:var(--ink)}
.hero-copy h1 .grad-text{color:var(--brand)}
.hero-copy .sub{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:540px;margin:0}
.hero-copy .actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}

.hero-visual{position:relative;justify-self:end;align-self:center;width:100%;max-width:500px;margin-top:clamp(60px,10vh,140px)}
.changeover{width:100%;height:auto;display:block;overflow:hidden}
.cv-eyebrow{font-family:var(--font-disp);font-size:10px;font-weight:800;letter-spacing:.18em;fill:var(--ink-3)}
.cv-rule{stroke:var(--line);stroke-width:1}
.cv-name{font-family:var(--font);font-size:13px;font-weight:600;fill:var(--ink-2);letter-spacing:-.005em}
.cv-name-new{fill:var(--ink);font-weight:700}
.cv-time{font-family:var(--font-disp);font-weight:800;letter-spacing:-.025em}
.cv-time-old{font-size:15px;font-weight:600;fill:#9AA5B1}
.cv-strike{stroke:#9AA5B1;stroke-width:1.5;opacity:.6;stroke-linecap:round}
.cv-time-new{font-size:17px;fill:var(--brand)}
.cv-rail{fill:#E8ECF1}
.cv-st{fill:#9AA5B1}

/* MAGVIX row: brand-soft single track, movers loop continuously. */
.mv-track{fill:var(--brand-soft)}
.mv-mvr{fill:#fff;stroke:var(--brand);stroke-width:1.8}
.cv-cap-rule{stroke:var(--line);stroke-width:1;stroke-dasharray:2 4}
.mv-mvr-m{font-family:var(--font-disp);font-size:9.5px;font-weight:800;fill:var(--brand);text-anchor:middle;pointer-events:none;user-select:none}
.cv-cap{font-family:var(--font);font-size:11.5px;font-weight:500;fill:var(--ink-3);letter-spacing:.005em}
@media (max-width:960px){.hero-visual{max-width:none;justify-self:stretch}}

.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:48px;margin-bottom:0}
.hero-trust .item{
  padding:8px 28px 8px 0;
  background:transparent;
  border:0;
  border-radius:0;
  box-shadow:none;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
}
.hero-trust .item .num{font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1}
.hero-trust .item .num .u{font-size:15px;color:var(--brand-2);font-weight:700;margin-left:3px}
.hero-trust .item .lab{font-size:12px;color:var(--ink-2);letter-spacing:.08em;text-transform:uppercase;margin-top:8px;font-weight:600}

.trust{
  position:relative;overflow:hidden;z-index:1;
  background:
    radial-gradient(46% 240% at 92% 0%, rgba(255,106,0,.14), transparent 72%),
    radial-gradient(42% 240% at 5% 100%, rgba(56,135,255,.10), transparent 72%),
    rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-top:1px solid rgba(255,255,255,.60);
  border-bottom:1px solid var(--line);
  padding:32px 0
}
.trust .wrap{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap
}
.trust-label{
  font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap
}
.trust-list{display:flex;align-items:center;gap:10px 34px;flex-wrap:wrap;justify-content:flex-end}
.trust-list a{
  font-size:15px;font-weight:600;color:var(--ink-2);text-decoration:none;
  position:relative;transition:color .2s
}
.trust-list a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;
  background:var(--brand-2);transition:width .25s var(--ease);border-radius:2px
}
.trust-list a:hover{color:var(--brand-2)}
.trust-list a:hover::after{width:100%}

/* animated movers on loop track */
.mover-run{filter:drop-shadow(0 6px 10px rgba(21,34,54,.16))}

/* ---------- stats band ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{padding:26px 26px;text-align:left}
.stat .n{font-size:32px;font-weight:800;letter-spacing:-.02em}
.stat .n span{color:var(--brand-2)}
.stat .l{color:var(--ink-2);font-size:14px;margin-top:4px}

/* ---------- feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
/* 行业卡片按可见数量自适应列数：3~6 个一排 3 个（cms.js 加 cols-3）；7~8 个保持一排 4 个。
   仅桌面生效，窄屏仍走下方响应式的 2 列 / 1 列。 */
@media (min-width:1021px){
  .grid-4.cols-3{grid-template-columns:repeat(3,1fr)}
}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature .ic{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-2);margin-bottom:16px;
}
.feature h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.feature h4{font-size:16px;font-weight:800;margin-bottom:6px}
.feature p{font-size:14.5px;color:var(--ink-2)}
.feature p .hl{color:var(--brand-2)}
.feature .mini{margin-top:14px;font-size:12.5px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:12px}
.grid-4 .feature h3{font-size:16px;font-weight:800}
.grid-4 .feature p{font-size:13.5px}

/* hover: all text-only cards fill VI color */
.card:is(.feature,.step,.tl,.pstep,.metric),
.card:is(.feature,.step,.tl,.pstep,.metric) .ic,
.card:is(.feature,.step,.tl,.pstep,.metric) h3,
.card:is(.feature,.step,.tl,.pstep,.metric) h4,
.card:is(.feature,.step,.tl,.pstep,.metric) p,
.card:is(.feature,.step,.tl,.pstep,.metric) .mini,
.card:is(.feature,.step,.tl,.pstep,.metric) .hl,
.card:is(.feature,.step,.tl,.pstep,.metric) .no,
.card:is(.feature,.step,.tl,.pstep,.metric) .y,
.card:is(.feature,.step,.tl,.pstep,.metric) .n,
.card:is(.feature,.step,.tl,.pstep,.metric) .l,
.card:is(.feature,.step,.tl,.pstep,.metric) .d,
.card:is(.feature,.step,.tl,.pstep,.metric) .rec{
  transition:background .3s var(--ease),color .25s,border-color .25s,box-shadow .25s,transform .25s;
}

.card:is(.feature,.step,.tl,.pstep,.metric):hover{
  background:var(--grad-brand);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-color:rgba(255,255,255,.3);
  box-shadow:0 22px 54px rgba(242,48,5,.28), inset 0 1px 0 rgba(255,255,255,.25);
}

.card.feature:hover .ic{background:rgba(255,255,255,.18);color:#fff}
.card.feature:hover .mini{border-top-color:rgba(255,255,255,.35);color:#fff}
.card.feature:hover h3,
.card.feature:hover h4,
.card.feature:hover p,
.card.feature:hover p .hl{color:#fff}

.card.step:hover .no{background:#fff;color:var(--brand-2)}
.card.step:hover h4,
.card.step:hover p{color:#fff}

.card.pstep:hover .no{color:#fff}
.card.pstep:hover h3,
.card.pstep:hover p{color:#fff}

.card.tl:hover .y{background:none;-webkit-background-clip:initial;background-clip:initial;color:#fff}
.card.tl:hover p{color:#fff}

.card.metric:hover .n{background:none;-webkit-background-clip:initial;background-clip:initial;color:#fff}
.card.metric:hover .l,
.card.metric:hover .d{color:#fff}

.card.feature:hover .rec{background:#fff;color:var(--brand-2)}

/* ---------- vs panel ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;padding:0}
.vs>div{padding:34px 36px}
.vs .old{background:rgba(21,34,54,.035)}
.vs .new{background:linear-gradient(150deg,rgba(255,106,0,.10),rgba(242,48,5,.05));border-left:1px solid rgba(255,255,255,.8)}
.vs h3{font-size:15px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.vs .old h3{color:var(--ink-3)}
.vs .new h3{color:var(--brand-2)}
.vs li{display:flex;gap:11px;font-size:14.5px;padding:9px 0;color:var(--ink-2);align-items:flex-start}
.vs li svg{flex:0 0 auto;margin-top:3px}
.vs .new li{color:var(--ink);font-weight:500}

/* ---------- series cards (with 3D render) ---------- */
.series-card{position:relative;overflow:hidden;display:flex;flex-direction:column;padding:0}
.series-card .sc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--cool-soft)}
.series-card .sc-media img,
.series-card .sc-media video{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);display:block}
.series-card:hover .sc-media img,
.series-card:hover .sc-media video{transform:scale(1.06)}
.series-card .badge{
  position:absolute;top:14px;right:14px;z-index:2;font-size:10.5px;font-weight:800;letter-spacing:.1em;
  padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.82);color:var(--cool);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.series-card .letter{
  position:absolute;left:16px;bottom:10px;z-index:2;font-family:var(--font-disp);
  font-size:56px;font-weight:800;line-height:.9;letter-spacing:-.04em;
  color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.35);
}
.series-card .sc-body{
  padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;
  transition:background .3s var(--ease), color .25s;
  border-radius:0 0 var(--radius) var(--radius);
}
.series-card h3{font-size:19px;font-weight:800;margin:0 0 4px;transition:color .25s}
.series-card .tagline{font-size:13.5px;color:var(--ink-2);margin-bottom:18px;transition:color .25s}
.series-card .specs{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;margin-bottom:18px}
.series-card .specs div{font-size:12px;color:var(--ink-3);transition:color .25s}
.series-card .specs b{display:block;font-size:16.5px;color:var(--ink);font-weight:800;letter-spacing:-.01em;transition:color .25s}
.series-card .more{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;border:1px solid transparent;
  transition:background .25s var(--ease),color .2s,transform .2s,border-color .2s;
}
.series-card .more svg{transition:transform .25s var(--ease)}

/* hover: entire text block fills VI color */
.series-card:hover .sc-body{background:var(--grad-brand)}
.series-card:hover h3,
.series-card:hover .tagline,
.series-card:hover .specs div,
.series-card:hover .specs b{color:#fff}
.series-card:hover .more{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.45)}
.series-card:hover .more svg{transform:translateX(4px)}

/* ---------- series software (5th platform component) ---------- */
.series-card.series-software{flex-direction:row;align-items:stretch;margin-top:22px}
.series-card.series-software .sc-media{aspect-ratio:auto;flex:0 0 46%;min-height:300px}
.series-card.series-software .sc-body{border-radius:0 var(--radius) var(--radius) 0}
.series-card.series-software .sc-body{flex:1;justify-content:center;padding:32px 36px}
.series-card.series-software h3{font-size:23px}
.series-card.series-software .tagline{margin-bottom:20px}
.ss-tag{display:inline-block;align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--brand-2);background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px}
/* faux software UI mock */
.ss-mock{padding:16px;background:radial-gradient(120% 130% at 72% 0%,#1c2a3a 0%,#101b27 55%,#0b121b 100%);border:1px solid var(--glass-brd)}
.ui-win{height:100%;min-height:268px;border-radius:14px;overflow:hidden;background:#0e1722;border:1px solid rgba(255,255,255,.07);box-shadow:0 18px 44px rgba(8,14,22,.5);display:flex;flex-direction:column}
.ui-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.06)}
.ui-bar .dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.ui-bar .r{background:#FF5F57}.ui-bar .y{background:#FEBC2E}.ui-bar .g{background:#28C840}
.ui-bar .t{margin-left:9px;font-size:12px;font-weight:700;color:#cdd6e2}
.ui-body{display:flex;flex:1;min-height:0}
.ui-side{padding:12px 9px;display:flex;flex-direction:column;gap:4px;background:rgba(255,255,255,.022);border-right:1px solid rgba(255,255,255,.05);width:126px;flex:0 0 126px}
.ui-nav{font-size:11px;font-weight:600;color:#8a97a8;padding:7px 9px;border-radius:8px;white-space:nowrap}
.ui-nav.active{background:var(--brand-soft);color:var(--brand-2)}
.ui-canvas{flex:1;position:relative;padding:14px;display:flex;flex-direction:column;gap:12px;min-width:0}
.ui-track{flex:1;width:100%;min-height:90px}
.ui-track .seg{stroke:#223040;stroke-width:15;fill:none;stroke-linecap:round}
.ui-track .rail{stroke:#33425a;stroke-width:2;fill:none}
.ui-track .mvr{fill:#fff;stroke:#FF6A00;stroke-width:1.6}
.ui-track .mvr-m{font-family:var(--font-disp);font-size:10px;font-weight:800;fill:#FF6A00;text-anchor:middle;letter-spacing:.02em;pointer-events:none;user-select:none}
.ui-hud{position:absolute;right:12px;top:12px;display:flex;gap:7px}
.ui-hud .chip{background:rgba(255,106,0,.15);border:1px solid rgba(255,106,0,.32);color:#ffd9bf;font-size:10px;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.ui-hud .chip b{color:#fff;font-size:12.5px;margin-right:2px}
.ui-scope{height:22px;display:flex;align-items:flex-end;justify-content:space-between;padding:0 2px}
.ui-scope i{flex:0 0 4px;width:4px;background:linear-gradient(180deg,#FF6A00,#F23005);border-radius:1px 1px 0 0;opacity:.9;min-height:3px;transition:height .35s var(--ease)}
.ui-wave{height:30px;width:100%;display:block;overflow:hidden}
.ui-wave .line{stroke:#FF6A00;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4}
.ui-wave .dot{fill:#FF6A00}
.ui-wave .grid{stroke:rgba(255,255,255,.06);stroke-width:1}

/* ---------- industry orbit diagram ---------- */
.industry-orbit{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;margin:36px 0}
.orbit-ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:460px;height:460px;border:1px dashed rgba(255,106,0,.22);border-radius:50%;z-index:0}
.orbit-ring::before{content:"";position:absolute;inset:72px;border:1px dashed rgba(45,90,138,.14);border-radius:50%}
.orbit-ripple{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(0.30);width:560px;height:560px;border-radius:50%;z-index:0;pointer-events:none;animation:orbitRipple 5.7s cubic-bezier(.25,.46,.45,.94) infinite;opacity:0;border-style:solid}
.orbit-ripple:nth-child(2){border-width:2px;border-color:rgba(255,106,0,.58)}
.orbit-ripple:nth-child(3){border-width:5px;border-color:rgba(255,106,0,.32);animation-delay:-1.9s}
.orbit-ripple:nth-child(4){border-width:10px;border-color:rgba(255,106,0,.14);animation-delay:-3.8s}
.orbit-track{position:absolute;left:50%;top:50%;width:0;height:0;z-index:2;animation:orbitSpin 60s linear infinite}
.orbit-node{position:absolute;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;width:130px;text-align:center;transform:translate(-50%,-50%);transition:transform .25s var(--ease);text-decoration:none;animation:orbitCounter 60s linear infinite}
@keyframes orbitSpin{to{transform:rotate(360deg)}}
@keyframes orbitCounter{to{transform:translate(-50%,-50%) rotate(-360deg)}}
@keyframes orbitRipple{0%{transform:translate(-50%,-50%) scale(0.30);opacity:.95}55%{opacity:.18}100%{transform:translate(-50%,-50%) scale(1.18);opacity:0}}
.orbit-center{
  position:relative;z-index:2;width:170px;height:170px;border-radius:50%;
  background:var(--glass-bg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--glass-brd);box-shadow:var(--glass-shadow);
  display:flex;align-items:center;justify-content:center;
}
.orbit-center .m{font-family:var(--font-disp);font-size:68px;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.orbit-node .ic{
  width:74px;height:74px;border-radius:50%;
  background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--glass-brd);box-shadow:var(--glass-shadow);
  display:flex;align-items:center;justify-content:center;color:var(--brand-2);
  transition:transform .25s var(--ease), background .25s var(--ease), color .2s;
}
.orbit-node:hover .ic{transform:translateY(-6px);background:var(--brand-soft);color:var(--brand-2)}
.orbit-node .lab{font-size:13px;font-weight:700;color:var(--ink);line-height:1.25;transition:color .2s}
.orbit-node:hover .lab{color:var(--brand-2)}
.industry-orbit:has(.orbit-node:hover) .orbit-track,
.industry-orbit:has(.orbit-node:hover) .orbit-node{animation-play-state:paused}

/* ---------- about page: facility gallery & team ---------- */
.gallery-tabs{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.gallery-tab{padding:10px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-size:13.5px;font-weight:700;color:var(--ink-2);cursor:pointer;transition:all .2s var(--ease)}
.gallery-tab:hover,.gallery-tab.active{background:var(--grad-brand);color:#fff;border-color:transparent}
.gallery-panel{display:none}
.gallery-panel.active{display:block;animation:fadeIn .35s var(--ease)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery-item{border-radius:var(--radius);aspect-ratio:16/10;background:var(--cool-soft);overflow:hidden;position:relative}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block}
.placeholder-img{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--cool-soft),#fff);border:1.5px dashed var(--line);text-align:center;padding:18px}
.placeholder-img span{display:block;font-size:12px;color:var(--ink-3);line-height:1.45}
.placeholder-img b{display:block;font-size:14px;font-weight:800;color:var(--ink);margin-bottom:4px}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.team-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.team-photo{aspect-ratio:16/10;background:var(--cool-soft)}
.team-photo img{width:100%;height:100%;object-fit:cover;display:block}
.team-info{padding:22px 22px 24px}
.team-info h4{font-size:17px;font-weight:800;margin-bottom:4px}
.team-info p{font-size:13px;font-weight:700;color:var(--brand-2);margin-bottom:10px}
.team-info span{font-size:13.5px;color:var(--ink-2);line-height:1.55}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- case cards (Proven in Production) ---------- */
.case-card{display:block;text-decoration:none}
.case-card .cc-tag{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand-2);transition:color .2s}
.case-card .cc-title{font-size:19px;font-weight:800;margin:10px 0 8px;transition:color .2s}
.case-card .cc-desc{font-size:14px;color:var(--ink-2);line-height:1.55;transition:color .2s}
.case-card .cc-stats{display:flex;gap:22px;margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;transition:border-color .2s}
.case-card .cc-stat{font-size:11px;color:var(--ink-3);transition:color .2s}
.case-card .cc-stat b{display:block;font-size:17px;color:var(--brand-2);margin-top:2px;transition:color .2s}
.case-card .cc-stat:nth-child(n+2) b{color:var(--ink);transition:color .2s}
.case-card:hover{background:var(--grad-brand)}
.case-card:hover .cc-tag,.case-card:hover .cc-title,.case-card:hover .cc-desc,.case-card:hover .cc-stat,.case-card:hover .cc-stat b{color:#fff}
.case-card:hover .cc-stats{border-top-color:rgba(255,255,255,.45)}

/* ---------- image cards (industries / cases) ---------- */
.img-card{overflow:hidden;padding:0;display:flex;flex-direction:column}
.img-card .thumb{height:190px;overflow:hidden;position:relative;background:var(--cool-soft)}
.img-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.img-card:hover .thumb img{transform:scale(1.05)}
.img-card .thumb .cat{
  position:absolute;left:14px;bottom:14px;padding:6px 12px;border-radius:999px;
  background:var(--grad-brand);
  font-size:12px;font-weight:700;color:#fff;
}

.industries-grid{
  min-height:100vh;display:flex;align-items:center;
  padding-top:100px;padding-bottom:100px
}

.img-card.vi-active .body{background:var(--grad-brand)}
.img-card.vi-active h3,
.img-card.vi-active p,
.img-card.vi-active .case-link{color:#fff}
.img-card.vi-active .case-link{color:rgba(255,255,255,.92)}
a.img-card{text-decoration:none;color:inherit}
a.img-card:hover .body{color:inherit}
.img-card .body{
  padding:22px 24px 24px;
  transition:background .3s var(--ease), color .25s;
  border-radius:0 0 var(--radius) var(--radius);
  position:relative;flex:1}
.img-card .case-link{
  display:inline-flex;align-items:center;gap:4px;margin-top:10px;
  font-size:12px;font-weight:700;letter-spacing:.02em;color:var(--brand);
  opacity:0;transform:translateY(4px);transition:opacity .3s,transform .3s var(--ease)}
.img-card:hover .case-link{opacity:1;transform:translateY(0)}
.img-card h3{font-size:17px;font-weight:800;margin-bottom:6px;transition:color .25s}
.img-card p{font-size:14px;color:var(--ink-2);transition:color .25s}
.img-card .metrics{display:flex;gap:18px;margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;transition:border-color .25s}
.img-card .metrics div{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em;transition:color .25s}
.img-card .metrics b{display:block;font-size:16px;color:var(--brand-2);font-weight:800;transition:color .25s}

/* hover: entire text block fills VI color */
.img-card:hover .body{background:var(--grad-brand)}
.img-card:hover h3,
.img-card:hover p,
.img-card:hover .metrics div,
.img-card:hover .metrics b{color:#fff}
.img-card:hover .metrics{border-top-color:rgba(255,255,255,.35)}

/* icon thumb for cards without photo */
.thumb-icon{
  height:190px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand-soft),var(--cool-soft));color:var(--brand-2);
}

/* ---------- page banner (inner pages) — clean, readable, light ---------- */
.page-banner{
  position:relative;height:340px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;text-align:center;padding:0 20px;background:#F4F6FA;
}
.page-banner img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(.18) contrast(.78) brightness(1.12);
  opacity:.55;
}
.page-banner .scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(248,250,253,.78) 50%, rgba(244,246,250,.94) 100%);
}
.page-banner .wrap{position:relative;z-index:2;width:100%}
.page-banner .banner-text{max-width:900px;margin:0 auto;padding:0 20px}
.page-banner .banner-eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;
  font-family:var(--font-disp);font-size:12px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--brand-2);
}
.page-banner .banner-eyebrow::before{content:"";width:24px;height:2px;background:var(--grad-brand);border-radius:2px}
.page-banner h1{
  font-size:clamp(32px,4.4vw,54px);font-weight:800;letter-spacing:-.02em;margin:0 0 12px;
  color:var(--ink);text-align:center;white-space:nowrap;
  text-shadow:0 2px 24px rgba(255,255,255,.95), 0 0 18px rgba(255,255,255,.85);
}
.page-banner .sub{color:var(--ink-2);max-width:620px;margin:0 auto;font-size:16.5px;line-height:1.55}
/* blog post title is too long for one line */
[data-page="blog"] .page-banner h1{white-space:normal}
.crumbs{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em}
.crumbs b{color:var(--brand-2)}

/* ---------- tables ---------- */
.table-card{padding:10px 8px;overflow-x:auto}
table.spec{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
table.spec th{
  text-align:left;padding:14px 16px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(255,106,0,.08);font-weight:800;white-space:nowrap;
}
table.spec th:first-child{border-radius:12px 0 0 12px}
table.spec th:last-child{border-radius:0 12px 12px 0}
table.spec td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
table.spec td:first-child{font-weight:700;color:var(--ink)}
table.spec tr:last-child td{border-bottom:0}
table.spec td em{font-style:normal;color:var(--brand-2);font-weight:700}

/* ---------- filter pills (products / series) ---------- */
.filter-pills{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:0 0 36px;
}
.filter-pills button{
  padding:10px 22px;border-radius:999px;font-size:13.5px;font-weight:700;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);cursor:pointer;
  transition:all .25s var(--ease);
}
.filter-pills button:hover{color:var(--brand-2);background:var(--brand-soft);border-color:rgba(255,106,0,.35)}
.filter-pills button.active{
  color:#fff;background:var(--grad-brand);border-color:transparent;
  box-shadow:0 10px 22px rgba(242,48,5,.28);
}

/* ---------- product cards (16:9 image + specs) ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--radius);
  border:1px solid var(--glass-brd);box-shadow:var(--glass-shadow);
  overflow:hidden;transition:transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.product-card:hover{transform:translateY(-6px);box-shadow:0 22px 54px rgba(21,34,54,.13);border-color:rgba(255,106,0,.45)}
.product-card .media{aspect-ratio:16/9;overflow:hidden;background:var(--cool-soft);position:relative}
.product-card .media img,
.product-card .media video{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);display:block}
.product-card:hover .media img,
.product-card:hover .media video{transform:scale(1.05)}
.product-card .media .series-tag{
  position:absolute;left:14px;top:14px;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2);
}
/* 3-image / 3-video rotating cover (O / L Series) */
.media.rotate img,.media.rotate video,.sc-media.rotate img,.sc-media.rotate video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media.rotate img:nth-child(1),.sc-media.rotate img:nth-child(1){animation:rotate3 6s infinite}
.media.rotate img:nth-child(2),.sc-media.rotate img:nth-child(2){animation:rotate3 6s infinite 2s}
.media.rotate img:nth-child(3),.sc-media.rotate img:nth-child(3){animation:rotate3 6s infinite 4s}
.sc-media.rotate video,.media.rotate video{transition:opacity .6s ease}
@keyframes rotate3{
  0%,24%{opacity:1}
  33%,91%{opacity:0}
  100%{opacity:1}
}
.product-card .body{
  padding:24px;display:flex;flex-direction:column;flex:1;
  transition:background .3s var(--ease), color .25s;
  border-radius:0 0 var(--radius) var(--radius);
}
.product-card .series-label{
  font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:6px;transition:color .25s;
}
.product-card h3{font-size:19px;font-weight:800;margin-bottom:8px;transition:color .25s}
.product-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px;flex:1;transition:color .25s}
.product-card .specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.product-card .specs div{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em;transition:color .25s}
.product-card .specs b{display:block;font-size:15px;color:var(--ink);font-weight:800;letter-spacing:0;text-transform:none;transition:color .25s}
.product-card .more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--brand-2);
  padding:8px 14px;border-radius:999px;align-self:flex-start;
  transition:background .25s var(--ease), color .2s, border-color .2s;
}
.product-card .more svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.product-card:hover .more svg{transform:translateX(4px)}

/* hover: entire text block fills VI color (reference card style) */
.product-card:hover .body{
  background:var(--grad-brand);
}
.product-card:hover .series-label,
.product-card:hover h3,
.product-card:hover p,
.product-card:hover .specs div,
.product-card:hover .specs b,
.product-card:hover .more{
  color:#fff;
}
.product-card:hover .more{
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.45);
  box-shadow:0 8px 20px rgba(242,48,5,.25);
}
.product-card.hidden{display:none}
@media (max-width:1020px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .product-grid{grid-template-columns:1fr}
}

/* ---------- series detail block ---------- */
.series-block{padding:70px 0;border-bottom:1px solid var(--line)}
.series-block:last-of-type{border-bottom:0}
.series-block .head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:8px}
.series-block .head .letter{font-size:38px;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.series-block .head h2{font-size:26px;font-weight:800}
.series-block .head .en{color:var(--ink-3);font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.series-block .head .ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(255,106,0,.28);flex:0 0 auto}
.series-block .head.studio-head{align-items:center}
.series-block .intro{color:var(--ink-2);max-width:none;margin-bottom:22px}
.series-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.series-layout.reverse{direction:rtl}
.series-layout.reverse>*{direction:ltr}
.series-media{position:sticky;top:100px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--glass-shadow);border:1px solid var(--glass-brd);background:var(--cool-soft);aspect-ratio:16/10}
.series-media img,.series-media video{width:100%;height:100%;display:block;object-fit:cover}
.series-copy{min-width:0}
.series-table{margin-top:34px}

/* application pills */
.applications{margin-top:28px}
.applications .pill-row{margin-bottom:0}

/* spec cards (replaces horizontal-scroll tables) */
.spec-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.spec-card{
  background:rgba(255,255,255,.7);border:1px solid var(--glass-brd);border-radius:var(--radius);
  padding:20px;box-shadow:0 4px 14px rgba(21,34,54,.05);
  transition:transform .2s var(--ease),box-shadow .2s;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(21,34,54,.1)}
.spec-card .model{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.spec-card .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 16px}
.spec-card .item{font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}
.spec-card .item b{display:block;font-size:14.5px;color:var(--ink);font-weight:700;text-transform:none;letter-spacing:0;margin-top:2px}
.spec-card .item.full{grid-column:1/-1}
.spec-card .item b em{font-style:normal;color:var(--brand-2)}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.pill{
  padding:9px 16px;border-radius:12px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.7);border:1px solid var(--glass-brd);box-shadow:0 4px 14px rgba(21,34,54,.05);
}
.pill b{color:var(--brand-2)}
h4.block-title{font-size:15px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);margin:30px 0 14px;display:flex;align-items:center;gap:10px}
h4.block-title::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--grad-brand)}

/* naming rule */
.naming{display:flex;align-items:center;gap:0;flex-wrap:wrap;padding:22px 24px}
.naming .seg{text-align:center;padding:8px 14px;position:relative}
.naming .seg code{font-size:19px;font-weight:800;color:var(--ink);font-family:var(--font)}
.naming .seg span{display:block;font-size:11px;color:var(--ink-3);margin-top:3px}
.naming .dash{font-size:19px;font-weight:800;color:var(--ink-3)}
.naming .seg.hl code{color:var(--brand-2)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:22px 20px;text-align:left}
.step .no{
  width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h4{font-size:15px;font-weight:800;margin-bottom:6px}
.step p{font-size:13px;color:var(--ink-2)}

/* ---------- technology ---------- */
.principle{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pstep{padding:26px 24px;position:relative}
.pstep .no{font-size:13px;font-weight:800;color:var(--brand-2);letter-spacing:.1em;margin-bottom:12px}
.pstep h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.pstep p{font-size:13.5px;color:var(--ink-2)}

.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric{padding:28px;text-align:center}
.metric .n{font-size:34px;font-weight:800;letter-spacing:-.02em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .l{font-weight:700;margin-top:4px}
.metric .d{font-size:13px;color:var(--ink-2);margin-top:6px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--glass-shadow);border:1px solid var(--glass-brd);aspect-ratio:16/9;background:var(--cool-soft)}
.split .media video{width:100%;height:100%;display:block;object-fit:cover}
.split h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin:14px 0 14px}
.split .lead{color:var(--ink-2)}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.check-list li svg{flex:0 0 auto;margin-top:3px;color:var(--brand-2)}
.check-list b{font-weight:700}

/* architecture diagram */
.arch{padding:34px 30px;overflow-x:auto}

/* protocol chips */
.proto{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.proto .card{padding:22px}
.proto h4{font-size:16px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.proto p{font-size:13px;color:var(--ink-2)}
.proto .rec{font-size:10.5px;font-weight:800;color:#fff;background:var(--grad-brand);padding:3px 9px;border-radius:999px;letter-spacing:.06em}

/* ---------- cases ---------- */
.case-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;
  max-width:var(--wrap);margin:0 auto;padding:60px 28px;border-bottom:1px solid var(--line)}
.case-row:last-of-type{border-bottom:0}
.case-row.flip .media{order:2}
.case-row .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--glass-shadow);border:1px solid var(--glass-brd)}
.case-row .media img,.case-row .media video{width:100%;height:340px;object-fit:cover;display:block}
.case-row .k{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2)}
.case-row h3{font-size:24px;font-weight:800;margin:10px 0 12px;letter-spacing:-.01em}
.case-row .desc{color:var(--ink-2);font-size:15px}
.case-info{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.case-info div{background:rgba(255,255,255,.7);border:1px solid var(--glass-brd);border-radius:12px;padding:12px 14px;font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em}
.case-info b{display:block;font-size:16px;color:var(--ink);font-weight:800;margin-top:2px;letter-spacing:0;text-transform:none}
.gains{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.gains span{font-size:12.5px;font-weight:700;color:var(--cool);background:var(--cool-soft);padding:7px 13px;border-radius:999px}

/* ---------- about ---------- */
.timeline{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.tl{padding:20px 16px;text-align:center}
.tl .y{font-size:20px;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.tl p{font-size:12.5px;color:var(--ink-2);margin-top:8px}

.video-thumb{
  position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--glass-shadow);border:1px solid var(--glass-brd);cursor:pointer;
}
.video-thumb img,.video-thumb video{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.video-thumb:hover img,.video-thumb:hover video{transform:scale(1.04)}
.video-thumb video{position:absolute;inset:0;z-index:0}
.video-thumb .play{
  position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(19,28,38,.12),rgba(19,28,38,.35));
  transition:opacity .3s;
}
.video-thumb.is-playing .play{opacity:0;pointer-events:none}
.video-thumb .play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:86px;height:86px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 14px 40px rgba(242,48,5,.42);
  transition:transform .25s var(--ease), box-shadow .25s;
}
.video-thumb:hover .play-btn{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 18px 50px rgba(242,48,5,.52)}
.video-thumb .play-btn svg{width:30px;height:30px}
.video-thumb.placeholder{background:linear-gradient(135deg,#f3f6fb 0%,#e8eef6 50%,#eef2f8 100%);display:block;min-height:unset}
.video-thumb.placeholder img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.video-thumb.placeholder .play{position:absolute;inset:0;z-index:2;background:none}
.video-caption{font-size:13.5px;color:var(--ink-3);margin-top:12px;text-align:center}

.video-modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(19,28,38,.88);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:24px;
}
.video-modal.open{display:flex}
.video-modal .modal-inner{
  width:100%;max-width:1000px;aspect-ratio:16/9;background:#000;border-radius:var(--radius);overflow:hidden;
  position:relative;box-shadow:0 40px 90px rgba(0,0,0,.45);
}
.video-modal video{width:100%;height:100%;display:block}
.video-modal .close{
  position:absolute;top:-48px;right:0;color:#fff;background:rgba(255,255,255,.12);border:0;
  width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.video-modal .close:hover{background:rgba(255,255,255,.22)}
.video-modal .close svg{width:22px;height:22px}

/* ---------- contact (Linaxis-style: glass info cards + glass form) ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:44px}
.contact-card{
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(18px) saturate(1.5);-webkit-backdrop-filter:blur(18px) saturate(1.5);
  box-shadow:var(--glass-shadow);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.contact-card:hover{transform:translateY(-6px);background:#fff;box-shadow:0 18px 44px rgba(255,106,0,.16);border-color:rgba(255,106,0,.45)}
.contact-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  transition:transform .3s ease, background .3s ease;
}
.contact-card:hover .ico{transform:scale(1.1) rotate(-5deg);background:rgba(255,106,0,.18)}
.contact-card .ico svg{width:22px;height:22px}
.contact-card .k{font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);font-weight:700;transition:color .3s}
.contact-card:hover .k{color:var(--brand-2)}
.contact-card .v{color:var(--ink);font-weight:700;font-size:1rem;margin-top:5px;line-height:1.4}
.contact-card .v a{color:var(--brand-2)}

.contact-form-wrap{
  background:#fff;border:1px solid var(--glass-brd);border-radius:var(--radius-lg);
  padding:44px;box-shadow:0 18px 50px rgba(21,34,54,.10);
}
.contact-form-wrap h2{font-size:1.7rem;margin-bottom:6px;color:var(--ink)}
.contact-form-wrap .form-intro{color:var(--ink-2);margin-bottom:26px;font-size:15px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{margin-bottom:22px}
.form-field label{display:block;font-size:.85rem;font-weight:700;color:var(--ink);margin-bottom:8px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;font-family:var(--font);font-size:.95rem;color:var(--ink);
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;transition:border-color .2s, box-shadow .2s;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--ink-3)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,0,.14);
}
.form-field textarea{min-height:130px;resize:vertical}

/* captcha */
.captcha-field{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.captcha-box{
  display:flex;align-items:center;gap:12px;
  padding:10px 16px;border-radius:var(--radius-sm);background:var(--brand-soft);
  border:1px solid rgba(255,106,0,.18);font-weight:700;color:var(--ink);font-size:15px;
}
.captcha-box .sum{font-family:var(--font);letter-spacing:.02em;color:var(--brand-2)}
.captcha-refresh{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;
}
.captcha-refresh:hover{color:var(--brand-2);background:var(--brand-soft);border-color:rgba(255,106,0,.35)}
.captcha-refresh svg{width:16px;height:16px}
.captcha-input{flex:1;min-width:160px}
.captcha-input input{margin-bottom:0}
.captcha-error{display:none;color:#C21;font-size:13px;margin-top:6px}
.captcha-error.show{display:block}

.form-actions{display:block;margin-top:8px}
.form-actions .btn{width:100%;display:flex;justify-content:center}
.form-privacy{font-size:.8rem;color:var(--ink-3);margin-top:14px;text-align:center;line-height:1.5}
.form-privacy a{color:var(--brand-2);text-decoration:underline}
.form-note{font-size:.82rem;color:var(--ink-3);margin-top:12px;text-align:center}
.form-success{display:none;background:var(--brand-soft);border:1px solid rgba(255,106,0,.4);color:#9A3A12;padding:16px 18px;border-radius:var(--radius-sm);margin-bottom:20px;font-weight:700}
.form-success.show{display:block}
.form-success a{color:var(--brand-2)}

.what-next{
  margin-top:28px;padding:26px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--brand-soft),#fff);border:1px solid rgba(255,106,0,.18);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.what-next-copy{flex:1;min-width:0}
.what-next h3{font-size:17px;font-weight:800;color:var(--brand-2);margin-bottom:8px}
.what-next p{font-size:14.5px;color:var(--ink-2);line-height:1.65;margin:0}
.what-next .btn{flex-shrink:0}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:26px;padding:56px 54px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(130deg,#FF7A1A 0%,#F23005 60%,#D92B04 100%);
  box-shadow:0 26px 60px rgba(242,48,5,.30);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em}
.cta-band p{opacity:.92;margin:12px 0 26px;max-width:640px;font-size:15.5px}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- footer — advanced gradient mesh + frosted glass ---------- */
footer{
  position:relative;overflow:hidden;margin-top:96px;
  border-top:1px solid rgba(255,255,255,.7);
  background:
    radial-gradient(58vw 320px at 10% -30%, rgba(255,106,0,.20), transparent 60%),
    radial-gradient(52vw 300px at 94% -6%, rgba(45,90,138,.18), transparent 60%),
    radial-gradient(40vw 260px at 50% 120%, rgba(255,106,0,.12), transparent 60%),
    linear-gradient(180deg,#FFFFFF 0%, #EEF2F8 100%);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(rgba(19,28,38,.05) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
  mask-image:linear-gradient(180deg,#000,transparent 72%);
  opacity:.6;
}
.foot-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding:68px 0 44px}
.foot-grid h4{font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.foot-brand .brand{font-size:22px}
.foot-brand p{font-size:14px;color:var(--ink-2);margin-top:14px;max-width:300px;line-height:1.6}
.foot-socials{display:flex;gap:12px;margin-top:20px}
.foot-socials a{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--glass-brd);color:var(--ink-2);
  box-shadow:0 4px 12px rgba(21,34,54,.06);
  transition:color .2s, background .25s var(--ease), transform .25s var(--ease), border-color .25s;
}
.foot-socials a:hover{color:#fff;background:var(--grad-brand);border-color:transparent;transform:translateY(-3px);box-shadow:0 8px 18px rgba(242,48,5,.28)}
.foot-grid>div:not(.foot-brand) a{display:block;font-size:14px;color:var(--ink-2);padding:8px 0;border-radius:6px;transition:color .2s, background .25s var(--ease), padding-left .25s var(--ease)}
.foot-grid>div:not(.foot-brand) a:hover{color:var(--brand-2);background:var(--brand-soft);padding-left:10px}
.foot-contact p{font-size:14px;color:var(--ink-2);padding:8px 0;display:flex;gap:10px;align-items:flex-start;border-radius:8px;transition:background .25s var(--ease), color .2s}
.foot-contact p:hover{background:var(--brand-soft);color:var(--brand-2)}
.foot-contact svg{flex:0 0 auto;margin-top:3px;color:var(--brand-2)}
.foot-bottom{position:relative;z-index:2;border-top:1px solid var(--line);padding:22px 0;font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.foot-bottom a{color:var(--ink-2);padding:3px 8px;border-radius:6px;transition:color .2s, background .25s var(--ease)}
.foot-bottom a:hover{color:var(--brand-2);background:var(--brand-soft)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .series-card.series-software{flex-direction:column}
  .series-card.series-software .sc-media{flex:auto;min-height:260px}
  .series-card.series-software .sc-body{padding:26px 26px 30px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .principle{grid-template-columns:repeat(2,1fr)}
  .proto{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(4,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-copy{max-width:640px}
  .hero-trust{gap:40px}
  .hero-trust .item{flex:1 1 40%;min-width:140px}
  .trust{padding:22px 0}
  .trust .wrap{flex-direction:column;align-items:flex-start;gap:14px}
  .trust-list{justify-content:flex-start}
  .hero-glow-bg{height:calc(86vh + 160px)}
  .hero .wrap{padding-top:clamp(22px,4vh,44px)}
  .trust{padding:28px 0}
  .split{grid-template-columns:1fr;gap:30px}
  .case-row{grid-template-columns:1fr;gap:26px}
  .case-row.flip .media{order:0}
  .series-layout{grid-template-columns:1fr;gap:28px}
  .series-media{position:relative;top:auto;aspect-ratio:16/9}
  .series-media img,.series-media video{height:100%}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .section{padding:60px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .series-card.series-software .sc-media{min-height:220px}
  .steps{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr}
  .principle{grid-template-columns:1fr}
  .proto{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .case-info{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .contact-form-wrap{padding:30px 22px}
  .page-banner .banner-card{padding:30px 24px}
  .page-banner h1{white-space:normal}
  .vs{grid-template-columns:1fr}
  .vs .new{border-left:0;border-top:1px solid rgba(255,255,255,.8)}
  .cta-band{padding:40px 28px}
  .page-banner{height:260px}
  .hero{padding:56px 0 0}
  .hero .wrap{padding-bottom:0}
  .hero-trust{gap:28px 22px;margin-top:46px;margin-bottom:0}
  .hero-trust .item{flex:1 1 40%;min-width:120px;padding:0}
  .hero-trust .item .num{font-size:28px}
  .trust{padding:20px 0}
  .trust .wrap{gap:12px}
  .trust-list{gap:10px 22px}
  .trust-list a{font-size:14px}
  .section-head h2.nowrap{white-space:normal}
  .chip-2{left:0}
  .industry-orbit{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;min-height:auto;padding-top:10px;place-items:center}
  .orbit-ring,.orbit-ripple,.orbit-track{display:none;animation:none}
  .orbit-center{grid-column:1/-1;justify-self:center;width:130px;height:130px;margin-bottom:12px}
  .orbit-center .m{font-size:50px}
  .orbit-node{position:relative !important;left:auto !important;top:auto !important;transform:none !important;width:auto;animation:none}
  .orbit-node .ic{width:62px;height:62px}
  .orbit-node .lab{font-size:12.5px}
}
/* ============ BLOG ============ */
.post-meta{display:flex;align-items:center;gap:12px;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin-bottom:10px}
.post-meta .date{color:var(--ink-3);font-weight:600}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3)}
.post-card .more{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
.post-card .more svg{transition:transform .25s var(--ease)}
.post-card:hover .more svg{transform:translateX(4px)}

/* blog detail layout */
.post-layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start;padding:50px 0 30px}
.post-content{min-width:0}
.post-content .post-meta{justify-content:flex-start}
.post-content h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.post-content .lede{color:var(--ink-2);font-size:17.5px;max-width:680px;margin-bottom:30px}
.post-content .cover{border-radius:var(--radius);overflow:hidden;box-shadow:var(--glass-shadow);border:1px solid var(--glass-brd);margin:0 0 32px}
.post-content .cover img{width:100%;height:380px;object-fit:cover}
.post-content h2{font-size:24px;font-weight:800;margin:36px 0 12px}
.post-content h3{font-size:18px;font-weight:800;margin:24px 0 10px}
.post-content p{color:var(--ink-2);font-size:16px;line-height:1.8;margin-bottom:16px}
.post-content ul{margin:0 0 18px;padding-left:22px;color:var(--ink-2);font-size:16px;line-height:1.8;list-style:disc outside}
.post-content ul li{margin-bottom:10px;padding-left:6px}
.post-content ol{margin:0 0 18px;padding-left:24px;color:var(--ink-2);font-size:16px;line-height:1.8;list-style:decimal outside}
.post-content ol li{margin-bottom:10px;padding-left:6px}
.post-content table{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:15px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 4px rgba(21,34,54,.06);border:1px solid var(--glass-brd)}
.post-content table th{background:var(--cool-soft);color:var(--ink);font-weight:700;text-align:left;padding:13px 16px;border-bottom:2px solid var(--line)}
.post-content table td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.post-content table tr:last-child td{border-bottom:none}
.post-content table tbody tr:nth-child(even){background:rgba(244,246,250,.55)}
.post-content blockquote{margin:24px 0;padding:16px 22px;background:var(--cool-soft);border-left:4px solid var(--brand-2);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink);font-size:17px;font-weight:600;line-height:1.65}
.post-content .pull{font-family:var(--font-disp);font-size:20px;font-weight:700;color:var(--ink);border-left:4px solid var(--grad-brand);padding:6px 0 6px 22px;margin:26px 0}
.article-back{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-2);margin-bottom:14px}
.article-back svg{transition:transform .25s var(--ease)}
.article-back:hover svg{transform:translateX(-4px)}

.post-sidebar{position:sticky;top:92px}
.sidebar-widget{background:#fff;border:1px solid var(--glass-brd);border-radius:var(--radius);box-shadow:var(--glass-shadow);padding:22px;margin-bottom:20px}
.sidebar-widget h4{font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.sidebar-widget ul{list-style:none;padding:0;margin:0}
.sidebar-widget li{border-bottom:1px solid var(--line)}
.sidebar-widget li:last-child{border-bottom:0}
.sidebar-widget a{display:block;padding:9px 0;font-size:13.5px;color:var(--ink-2);transition:color .2s, background .25s var(--ease);border-radius:6px;margin:0 -8px;padding-left:8px;padding-right:8px}
.sidebar-widget a:hover{color:var(--brand-2);background:var(--brand-soft)}
.sidebar-widget a.active{font-weight:700;color:var(--brand-2);background:var(--brand-soft)}
.sidebar-widget .toc-list a{font-size:13px}
.sidebar-widget .toc-list li{padding-left:0}

.rec-product{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.rec-product:last-child{margin-bottom:0}
.rec-product img{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--cool-soft)}
.rec-product div{font-size:13.5px;font-weight:700;color:var(--ink)}
.rec-product span{display:block;font-size:11.5px;color:var(--ink-3);font-weight:500}

.quote-card{background:var(--grad-brand);border:none;color:#fff}
.quote-card h4{color:rgba(255,255,255,.85)}
.quote-card p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.6;margin-bottom:16px}
.quote-card .btn{display:inline-flex;background:#fff;color:var(--brand-2);font-size:13px;padding:11px 20px}
.quote-card .btn:hover{transform:translateY(-2px)}

@media (max-width:1020px){
  .post-layout{grid-template-columns:1fr}
  .post-sidebar{position:static;margin-top:30px}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
}

/* ============ SELECTION GUIDE ============ */
.selection-intro{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-bottom:44px
}
.intro-card{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  backdrop-filter:blur(18px) saturate(1.5);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius);
  box-shadow:var(--glass-shadow);
  padding:26px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
}
.intro-card:hover{transform:translateY(-4px);box-shadow:0 22px 54px rgba(21,34,54,.12), inset 0 1px 0 rgba(255,255,255,.95)}
.intro-card .ic{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px
}
.intro-card h3{font-size:17px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.intro-card p{font-size:13.5px;color:var(--ink-2);line-height:1.65;margin:0}
.intro-card a{color:var(--brand-2);font-weight:600}

.form-section{margin-top:36px;padding-top:36px;border-top:1px solid var(--line)}
.form-section:first-of-type{margin-top:0;padding-top:0;border-top:0}
.form-section-title{
  font-size:18px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:12px;margin-bottom:22px
}
.form-section-no{
  width:28px;height:28px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto
}

.layout-options{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px
}
@media (max-width: 640px) {
  .layout-options{grid-template-columns:1fr}
}
.layout-card{
  position:relative;
  cursor:pointer;overflow:hidden;
  border-radius:var(--radius-sm);
  transition:box-shadow .2s, transform .2s;
}
.layout-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-2px)}
.layout-card input[type="checkbox"]{
  position:absolute;opacity:0;width:0;height:0
}
.layout-card:has(input[type="checkbox"]:checked){
  box-shadow:0 0 0 3px rgba(255,106,0,.14)
}
.layout-check{
  position:absolute;bottom:16px;right:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:800;color:var(--ink);
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  padding:7px 14px;border-radius:8px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.layout-check::before{
  content:"□";font-size:24px;color:var(--brand-2);line-height:1
}
.layout-card input[type="checkbox"]:checked + .layout-check{
  background:var(--grad-brand);color:#fff;border-color:var(--brand)
}
.layout-card input[type="checkbox"]:checked + .layout-check::before{
  content:"☑";color:#fff
}
.layout-diagram{
  position:relative;display:block;height:auto;background:#f8fafd
}
.layout-diagram img{
  width:100%;height:auto;object-fit:contain;display:block;
  border-radius:var(--radius-sm)
}
.dim-overlay{
  position:absolute;display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:700;color:var(--ink);
  background:#fff;border:1.5px solid #8CA0B3;
  padding:5px 10px;border-radius:5px;
  box-shadow:0 2px 6px rgba(0,0,0,.08);
  pointer-events:auto;
}
.dim-overlay .dim-label{white-space:nowrap}
.dim-overlay input{
  width:50px;padding:2px 4px;border:1px solid #DDA79A;
  background:#FFF0ED;text-align:center;font-size:13px;font-weight:700;color:var(--ink);
  border-radius:3px;
  -moz-appearance:textfield
}
.dim-overlay input::-webkit-outer-spin-button,
.dim-overlay input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.dim-overlay input:focus{outline:none;border-color:var(--brand-2);background:#FFE4DE;box-shadow:0 0 0 2px rgba(255,106,0,.12)}
.dim-overlay .dim-unit{white-space:nowrap;color:var(--ink-2);font-weight:600}
.track-dim-grid{display:none}

.input-unit{position:relative}
.input-unit input{padding-right:54px}
.input-unit .unit{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:13px;font-weight:600;color:var(--ink-3);pointer-events:none
}

.checkbox-group,.radio-group{
  display:flex;flex-wrap:wrap;gap:10px
}
.check-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:border-color .2s, background .2s, color .2s;
}
.check-chip:hover{border-color:rgba(255,106,0,.45)}
.check-chip input{position:absolute;opacity:0;width:0;height:0}
.check-chip:has(input:checked){
  background:var(--brand-soft);border-color:var(--brand);color:var(--brand-2)
}

.diagram-placeholder{
  background:#fff;border:1.5px dashed var(--line);border-radius:var(--radius-sm);
  padding:18px;display:flex;align-items:center;gap:18px;
  color:var(--ink-2);font-size:13.5px
}
.diagram-placeholder img{
  width:120px;height:80px;object-fit:cover;border-radius:10px;background:var(--cool-soft)
}

.req{color:var(--brand-2);font-weight:700}
.form-field small{font-weight:500;color:var(--ink-3);font-size:12px}

@media (max-width:1020px){
  .selection-intro{grid-template-columns:1fr}
  .layout-options{grid-template-columns:repeat(2,1fr)}
  .track-dim-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .layout-options{grid-template-columns:1fr}
  .track-dim-grid{grid-template-columns:1fr}
  .intro-card{padding:22px}
}

/* ============ FLOATING CHAT & BACK-TO-TOP ============ */
.chat-widget{position:fixed;left:22px;bottom:22px;z-index:90}
.chat-toggle{
  width:56px;height:56px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:0;
  box-shadow:0 10px 28px rgba(242,48,5,.38);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .25s var(--ease), box-shadow .25s, opacity .25s;
}
.chat-toggle:hover{transform:scale(1.08);box-shadow:0 14px 36px rgba(242,48,5,.48)}
.chat-toggle.hidden{opacity:0;pointer-events:none;transform:scale(.8)}
.chat-window{
  position:absolute;left:0;bottom:74px;width:340px;max-width:calc(100vw - 44px);
  background:#fff;border:1px solid var(--glass-brd);border-radius:var(--radius);
  box-shadow:0 22px 60px rgba(21,34,54,.18);
  opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;
  transition:opacity .28s var(--ease), transform .28s var(--ease);
  overflow:hidden;display:flex;flex-direction:column;
}
.chat-window.open{opacity:1;transform:none;pointer-events:auto}
.chat-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;background:var(--grad-brand);color:#fff;
}
.chat-title{font-weight:800;font-size:15px}
.chat-close{
  width:30px;height:30px;border-radius:50%;border:0;background:rgba(255,255,255,.18);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s;
}
.chat-close:hover{background:rgba(255,255,255,.32)}
.chat-body{
  flex:1;min-height:280px;max-height:360px;overflow-y:auto;padding:18px;
  background:#f8fafd;display:flex;flex-direction:column;gap:12px;
}
.chat-bubble{max-width:86%;padding:12px 14px;border-radius:var(--radius-sm);font-size:13.5px;line-height:1.55;animation:popIn .25s var(--ease)}
@keyframes popIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.chat-bubble.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:4px}
.chat-bubble.user{align-self:flex-end;background:var(--grad-brand);color:#fff;border-bottom-right-radius:4px}
.chat-bubble p{margin:0;overflow-wrap:anywhere}
.chat-bubble a,.chat-bubble a.chat-link{color:var(--brand);text-decoration:underline;text-underline-offset:2px;font-weight:600}
.chat-bubble a:hover{color:var(--brand-2)}
.chat-form{
  display:flex;gap:10px;padding:14px;background:#fff;border-top:1px solid var(--line);
}
.chat-form input{
  flex:1;font-family:var(--font);font-size:14px;padding:11px 14px;
  border:1px solid var(--line);border-radius:999px;outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.chat-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,0,.14)}
.chat-send{
  width:40px;height:40px;border-radius:50%;border:0;flex:0 0 40px;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .2s, box-shadow .2s;
}
.chat-send:hover{transform:scale(1.08);box-shadow:0 6px 16px rgba(242,48,5,.35)}

.scroll-top-btn{
  position:fixed;right:22px;bottom:22px;z-index:89;
  width:56px;height:56px;border-radius:50%;border:0;
  background:var(--grad-brand);color:#fff;
  box-shadow:0 10px 28px rgba(242,48,5,.38);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;transform:translateY(12px) scale(.9);pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease), background .2s, box-shadow .25s;
}
.scroll-top-btn.show{opacity:1;transform:none;pointer-events:auto}
.scroll-top-btn:hover{transform:scale(1.08);box-shadow:0 14px 36px rgba(242,48,5,.48)}

@media (max-width:640px){
  .chat-window{width:300px;left:-4px;bottom:68px}
  .chat-toggle,.scroll-top-btn{width:50px;height:50px}
  .chat-widget{left:16px;bottom:16px}
  .scroll-top-btn{right:16px;bottom:16px}
  .what-next{flex-direction:column;align-items:stretch;gap:18px}
  .what-next .btn{width:100%;justify-content:center}
}

/* ============================================================
   媒体保护 —— 配合 main.js 的右键 / 拖拽拦截
   1) -webkit-touch-callout:none   iOS / Android 长按不弹「存储图像 / 拷贝」
   2) user-select:none             图片与视频不会被选中复制
   仅作用于 img / video，不影响正文文字的选中与复制。
   ============================================================ */
img,video{
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
}
/* 移动端长按整体不弹系统菜单（避免"下载"入口） */
@media (max-width:1024px){
  img,video{-webkit-tap-highlight-color:transparent}
}