:root{
  --bg:#05070a;
  --bg-alt:#080b10;
  --panel:#0a1017;
  --card:#0d141b;
  --card-2:#0e1a22;
  --input:#0a1118;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --text:#f3f8fb;
  --text-2:#c8d3dc;
  --body:#8b99a8;
  --muted:#7e8b99;
  --dim:#54616d;
  --dimmer:#4e5b67;
  --accent:#3fe0c4;
  --accent-soft:#9fe9da;
  --accent-ink:#04140f;
  --danger:#ff9a92;
  --ok:#94f3e1;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Inter","SF Mono",ui-monospace,monospace;
  --max:1440px;
  --pad:clamp(20px,8.33vw,120px);
  --ease:cubic-bezier(.22,.71,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,dl,dd{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(63,224,196,.28)}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:clamp(64px,7.2vw,104px);background:var(--bg)}
.section--alt{background:var(--bg-alt)}
.section-stack{display:flex;flex-direction:column;gap:44px}
.stack{display:flex;flex-direction:column}
.section-head{display:flex;flex-direction:column;gap:18px}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.eyebrow{display:inline-flex;align-items:center;gap:12px}
.eyebrow i{display:block;width:26px;height:1px;background:var(--accent)}
.eyebrow span{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--accent);text-transform:uppercase}
.h1{font-family:var(--serif);font-weight:700;font-size:clamp(36px,4.03vw,58px);line-height:1.3;letter-spacing:-.01em}
.h2{font-family:var(--serif);font-weight:700;font-size:clamp(28px,2.9vw,42px);line-height:1.4;letter-spacing:-.01em}
.h3{font-size:18px;line-height:1.5;font-weight:600;color:#eaf1f6}
.h3-lg{font-family:var(--serif);font-size:clamp(22px,2vw,28px);line-height:1.4;font-weight:700}
.h4{font-size:14px;line-height:1.5;font-weight:600;color:#c3d0da}
.body{font-size:15px;line-height:1.9;color:var(--body)}
.small{font-size:13px;line-height:1.85;color:var(--muted)}
.hl{color:var(--accent-soft);font-weight:500}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn svg{flex:none}
.btn-primary{background:var(--accent);color:var(--accent-ink);font-weight:600;padding:15px 26px}
.btn-primary:hover{background:#54efd3;transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(63,224,196,.5)}
.btn-ghost{padding:14px 24px;border:1px solid rgba(255,255,255,.15);color:#d3dde6}
.btn-ghost:hover{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.04);transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%;height:48px;border-radius:9px;font-size:14px;font-weight:600}
.btn-block[disabled]{opacity:.7;cursor:default}

/* ===== 顶部 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(5,7,10,.86);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(5,7,10,.94);backdrop-filter:blur(16px) saturate(140%)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:600;letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:32px}
.nav a{font-size:15px;color:#9aa7b4;transition:color .2s var(--ease)}
.nav a:hover,.nav a.is-active{color:var(--text)}
.header-actions{display:flex;align-items:center;gap:18px}
.hotline{font-family:var(--mono);font-size:14px;color:#7e8b99;transition:color .2s var(--ease)}
.hotline:hover{color:var(--text)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.12);border-radius:10px}
.menu-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:#d8e3eb;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,7,10,.98)}
.mobile-menu-inner{display:flex;flex-direction:column;gap:14px;padding:18px var(--pad) 22px}
.mobile-menu a{font-size:15px;color:#dbe7ef}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 556px;
  gap:56px;
  align-items:center;
  min-height:clamp(560px,50vw,720px);
  padding-block:clamp(40px,5vw,72px);
}
.hero-glow{
  position:absolute;
  inset:-18% -10% auto 26%;
  height:900px;
  pointer-events:none;
  background:radial-gradient(circle at 52% 42%,rgba(63,224,196,.16),rgba(46,148,235,.07) 46%,transparent 72%);
  filter:blur(6px);
}
.hero-copy{position:relative;display:flex;flex-direction:column;gap:26px;max-width:588px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  align-self:flex-start;
  padding:8px 15px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:#0d1a1c;
  font-size:12.5px;
  color:var(--accent-soft);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(63,224,196,.9)}
.hero-copy .lead{font-size:16.5px;line-height:1.88;color:var(--body);max-width:540px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;padding-top:12px}
.trust{font-size:13px;color:#5c6975;line-height:1.7}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.metric{
  padding:16px 18px;
  border-radius:14px;
  background:rgba(13,20,27,.78);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
}
.metric strong{display:block;font-family:var(--serif);font-size:28px;line-height:1.1}
.metric span{display:block;font-size:12px;color:var(--muted);margin-top:8px}

.hero-visual{position:relative;height:640px;display:flex;align-items:center;justify-content:center}
.halo{
  position:absolute;left:50%;top:50%;width:620px;height:620px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(63,224,196,.22),rgba(40,128,240,.08) 48%,transparent 70%);
  filter:blur(4px);
}
.kiosk{
  position:relative;
  width:430px;
  height:580px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 90px -10px rgba(63,224,196,.16),0 30px 60px -10px rgba(0,0,0,.6);
}
.kiosk img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.spec-chip,.floating-card{
  position:absolute;
  padding:14px 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(13,20,26,.82);
  backdrop-filter:blur(18px);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.9);
}
.spec-chip{left:0;bottom:76px;width:214px}
.spec-chip strong,.floating-card strong{display:block;font-size:14px;font-weight:600;color:#eaf1f6}
.spec-chip span,.floating-card span{display:block;font-size:11.5px;color:var(--muted);margin-top:4px}
.floating-card{right:0;top:78px;width:220px}

/* ===== 能力卡 ===== */
.grid-cards{display:grid;gap:20px}
.grid-cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:26px;
  border-radius:16px;
  background:var(--panel);
  border:1px solid var(--line-2);
  transition:transform .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(63,224,196,.28);background:#0b131b}
.card--flat{background:var(--card);padding:20px;gap:12px}
.card--flat:hover{transform:none;border-color:var(--line-2);background:var(--card)}
.icon-box{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:#101e26;border:1px solid rgba(255,255,255,.08);flex:none;
}
.card p{font-size:13.5px;line-height:1.85;color:var(--muted)}

/* ===== 行业方案 ===== */
.scene-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px}
.scene-tabs{display:flex;flex-direction:column;gap:12px}
.scene-tab{
  padding:18px 18px 18px 20px;
  border-radius:16px;
  border:1px solid var(--line-2);
  background:var(--card);
  text-align:left;
  transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.scene-tab:hover{transform:translateY(-2px)}
.scene-tab[aria-selected="true"]{border-color:rgba(63,224,196,.4);background:#102028}
.scene-tab strong{display:block;font-size:16px}
.scene-tab span{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
.scene-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:22px;
  padding:24px;
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--panel);
}
.scene-detail{display:flex;flex-direction:column;gap:18px}
.scene-summary{font-size:14.5px;line-height:1.9;color:var(--body)}
.bullet-list{display:grid;gap:9px}
.bullet-list li{position:relative;padding-left:16px;font-size:13px;line-height:1.8;color:var(--muted)}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:rgba(63,224,196,.66);
}
.scene-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.fact{padding:14px;border-radius:14px;background:var(--card);border:1px solid rgba(255,255,255,.06)}
.fact strong{display:block;font-size:20px;line-height:1.2;font-family:var(--serif)}
.fact span{display:block;font-size:11.5px;color:var(--muted);margin-top:8px}
.scene-photo{border-radius:18px;overflow:hidden;border:1px solid var(--line-2);min-height:100%}
.scene-photo img{width:100%;height:100%;object-fit:cover}

/* ===== 机型与价格 ===== */
.billing{display:inline-flex;gap:4px;padding:4px;border-radius:10px;background:var(--card);border:1px solid var(--line-2);flex:none}
.billing button{padding:8px 18px;border-radius:7px;font-size:13px;color:var(--muted);transition:background .25s var(--ease),color .25s var(--ease)}
.billing button[aria-selected="true"]{background:#1c2b36;color:#eaf1f6;font-weight:600}

.model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.model{
  display:flex;
  flex-direction:column;
  padding:28px;
  border-radius:18px;
  background:var(--card);
  border:1px solid var(--line-2);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
}
.model:hover{transform:translateY(-4px)}
.model.is-picked{border-color:var(--accent);background:var(--card-2);box-shadow:0 18px 60px -6px rgba(63,224,196,.14)}
.model-top{display:flex;align-items:flex-start;gap:14px}
.model-size{font-family:var(--serif);font-size:46px;font-weight:700;line-height:1;color:#eff6fa;letter-spacing:-.02em}
.model.is-picked .model-size{color:var(--accent)}
.model-id strong{display:block;font-size:14px;font-weight:600;color:#a9b6c3;margin-top:4px}
.model-id span{display:block;font-size:12px;color:var(--dim);margin-top:5px}
.model-flag{margin-left:auto;flex:none;padding:4px 10px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:11px;font-weight:600}
.model-fit{
  margin-top:18px;padding:9px 12px;border-radius:9px;
  background:#101a22;border:1px solid rgba(255,255,255,.05);
  font-size:12px;line-height:1.6;color:#8b99a8;
}
.model-specs{display:flex;flex-direction:column;margin-top:18px;border-top:1px solid rgba(255,255,255,.06)}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:12.5px}
.spec-row span{flex:none;color:var(--dim)}
.spec-row strong{font-weight:500;color:#c3d0da;text-align:right}
.model-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:14px}
.model-price strong{display:block;font-family:var(--serif);font-size:28px;font-weight:700;line-height:1.2;color:#eff6fa}
.model.is-picked .model-price strong{color:var(--accent)}
.model-price span{display:block;font-size:11.5px;color:var(--dim);margin-top:6px}
.model-cta{
  padding:13px;border-radius:9px;border:1px solid rgba(255,255,255,.15);
  font-size:13.5px;transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.model-cta:hover{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.04)}
.model.is-picked .model-cta{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.model.is-picked .model-cta:hover{background:#54efd3}
.model-note{font-size:12.5px;line-height:1.9;color:var(--dimmer);max-width:900px}

/* ===== 案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{
  padding:0;border-radius:18px;background:var(--card);border:1px solid var(--line-2);
  display:flex;flex-direction:column;overflow:hidden;
  transition:border-color .3s,transform .3s;
}
.case-card:hover{border-color:rgba(255,255,255,.16);transform:translateY(-3px)}
.case-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:#0b1218;border-bottom:1px solid var(--line-2)}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.case-card:hover .case-media img{transform:scale(1.045)}
.case-tag{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:999px;
  font-size:10.5px;letter-spacing:.04em;color:#c3d0da;
  background:rgba(5,10,14,.72);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.case-body{display:flex;flex-direction:column;gap:16px;padding:22px 24px 24px;flex:1}
.case-meta{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted)}
.case-kpi{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:auto}
.case-kpi div{padding:12px;border-radius:12px;background:#101820;border:1px solid rgba(255,255,255,.05)}
.case-kpi strong{display:block;font-size:18px;font-family:var(--serif)}
.case-kpi span{display:block;font-size:11px;color:var(--muted);margin-top:6px}

/* ===== 资质 ===== */
.compliance-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) 372px;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
}
.cert-panel{padding:32px;display:flex;flex-direction:column;gap:20px}
.cert-head{display:flex;justify-content:space-between;align-items:center;gap:16px}
.cert-head strong{font-size:13px;font-weight:600;color:#c3d0da}
.cert-head span{font-size:11.5px;color:var(--dimmer)}
.cert-demo{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border-radius:999px;
  font-size:10.5px;letter-spacing:.02em;
  color:#e8b45c;background:rgba(232,180,92,.1);
  border:1px solid rgba(232,180,92,.28);white-space:nowrap;
}
.cert-demo::before{content:"";width:5px;height:5px;border-radius:50%;background:#e8b45c}
.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;flex:1}
.cert-card{display:flex;flex-direction:column;gap:5px;padding:16px;border-radius:12px;background:var(--card);border:1px solid rgba(255,255,255,.06)}
.cert-card strong{font-size:13px;font-weight:600;color:#d3dde6;line-height:1.5}
.cert-card span{font-size:10.5px;color:var(--dimmer)}
.cert-note{font-size:11px;line-height:1.8;color:var(--dimmer)}
.xinchuang-panel{
  padding:32px;
  background:#0e1a22;
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
}
.xinchuang-panel>strong{font-size:13px;font-weight:600;color:#c3d0da}
.xinchuang-desc{font-size:11.5px;line-height:1.8;color:var(--dimmer)}
.xinchuang-rows{display:flex;flex-direction:column;margin-top:auto}
.xc-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.xc-row:last-child{border-bottom:0}
.xc-row span{font-size:11.5px;color:var(--dimmer)}
.xc-row strong{font-size:12.5px;font-weight:500;color:#c3d0da;text-align:right}

/* ===== 交付 ===== */
.deliver-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding-top:24px;border-top:1px solid var(--line)}
.deliver-head strong{font-size:15px;font-weight:600;color:#c3d0da}
.deliver-head span{font-size:12.5px;color:var(--dimmer)}
.timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:16px;
  background:var(--card);border:1px solid var(--line-2);
}
.step .idx{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--accent)}
.step h3{font-size:15px;font-weight:600;color:#eaf1f6}
.step p{font-size:12.5px;line-height:1.9;color:var(--muted);flex:1}
.step .meta{font-size:11px;color:var(--dimmer)}
.promise-row{display:flex;flex-wrap:wrap;gap:14px}
.promise{
  padding:10px 18px;border-radius:999px;background:var(--card);border:1px solid var(--line-2);
  font-size:12.5px;color:#93a1ae;
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px}
.faq{border:1px solid var(--line-2);border-radius:16px;background:var(--card);overflow:hidden}
.faq button{width:100%;display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:20px 22px;text-align:left}
.faq button span:first-child{font-size:15px;font-weight:600;color:#eaf1f6}
.faq button span:last-child{font-size:22px;color:var(--accent);line-height:1}
.faq-panel{display:none;padding:0 22px 20px}
.faq.is-open .faq-panel{display:block}
.faq-panel p{font-size:13.5px;line-height:1.9;color:var(--muted)}

/* ===== 留资 ===== */
.cta{position:relative;overflow:hidden;background:linear-gradient(180deg,#070a0e 0%,#0a1a1e 50%,#070a0e 100%)}
.cta-glow{
  position:absolute;right:6%;top:-12%;width:720px;height:620px;pointer-events:none;
  background:radial-gradient(circle at 50% 45%,rgba(63,224,196,.15),transparent 68%);
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) 448px;
  gap:60px;
  align-items:start;
  padding-block:clamp(56px,7vw,96px);
}
.cta-copy{display:flex;flex-direction:column;gap:24px;max-width:640px}
.cta-copy .lead{font-size:15px;line-height:1.9;color:#93a1ae;max-width:540px}
.cta-note{font-size:12px;color:var(--dimmer)}
.form-card{
  display:flex;flex-direction:column;gap:16px;padding:30px;border-radius:20px;
  background:rgba(12,21,28,.94);border:1px solid rgba(255,255,255,.1);
  box-shadow:0 24px 60px -12px rgba(0,0,0,.6);
}
.form-head{display:flex;flex-direction:column;gap:6px}
.form-head strong{font-size:18px;font-weight:600;color:#eaf1f6}
.form-head span{font-size:12px;line-height:1.7;color:var(--muted)}
.picked{
  padding:10px 12px;border-radius:9px;
  background:#10262a;border:1px solid rgba(63,224,196,.28);
  font-size:12px;line-height:1.7;color:var(--accent-soft);
}
.picked[hidden]{display:none}
.field{display:flex;flex-direction:column;gap:9px}
.field-label{font-size:12px;color:var(--dim)}
.input,.select{
  width:100%;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.08);
  background:var(--input);color:var(--text);padding:0 14px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.input::placeholder{color:var(--dimmer)}
.input:focus,.select:focus{outline:none;border-color:rgba(63,224,196,.5);background:#0c161e}
.input[aria-invalid="true"]{border-color:rgba(255,120,110,.6)}
.form-msg{font-size:12px;line-height:1.7;display:none}
.form-msg.show{display:block}

/* ===== 页脚 ===== */
.footer{position:relative;overflow:hidden;background:var(--bg);padding-block:clamp(48px,5vw,72px) 30px}
.footer-inner{position:relative;display:grid;grid-template-columns:360px minmax(0,1fr);gap:40px}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-tag{font-size:13px;line-height:2;color:var(--muted);max-width:300px}
.footer-contact{font-size:12.5px;line-height:2;color:var(--dimmer)}
.footer-cols{display:grid;grid-template-columns:repeat(2,168px);gap:24px;justify-content:end}
.footer-col{display:flex;flex-direction:column;gap:14px}
.footer-col strong{font-size:12px;font-weight:600;color:#c3d0da}
.footer-col a{font-size:13px;color:#6b7885;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--text-2)}
.watermark{
  position:absolute;right:-10px;top:-24px;
  font-family:var(--mono);font-weight:700;
  font-size:clamp(80px,12vw,170px);letter-spacing:.04em;
  color:rgba(255,255,255,.03);pointer-events:none;user-select:none;line-height:1;
}
.footer-bottom{
  position:relative;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  font-size:12px;color:var(--dimmer);
}
.footer-legal{display:flex;gap:20px}

/* ===== 动效 ===== */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.model,.scene-tab{transition:none}
}

@media (max-width:1180px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 480px;gap:32px}
  .hero-visual{height:560px}
  .kiosk{width:380px;height:512px}
  .halo{width:520px;height:520px}
  .scene-panel,.cta-inner{grid-template-columns:1fr}
  .grid-cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .model-grid{gap:14px}
  .model{padding:22px}
  .model-size{font-size:40px}
  .model-price strong{font-size:25px}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr))}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compliance-panel{grid-template-columns:1fr}
  .xinchuang-panel{border-left:0;border-top:1px solid var(--line)}
  .cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .nav,.header-actions .hotline{display:none}
  .menu-toggle{display:block}
  .mobile-menu.is-open{display:block}
  .hero-inner{grid-template-columns:1fr;gap:40px;min-height:0}
  .hero-visual{height:auto;padding-top:8px}
  .kiosk{width:min(86%,400px);height:auto;aspect-ratio:430/580}
  .spec-chip{left:0;bottom:24px}
  .floating-card{right:0;top:24px}
  .scene-shell{grid-template-columns:1fr}
  .scene-tabs{flex-direction:row;overflow-x:auto;padding-bottom:4px}
  .scene-tab{flex:0 0 auto;min-width:200px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .model-grid{grid-template-columns:1fr}
  .model{padding:26px}
  .model-size{font-size:46px}
  .model-price strong{font-size:28px}
  .case-grid,.grid-cards--4{grid-template-columns:1fr}
  .cta-inner,.footer-inner{grid-template-columns:1fr;gap:40px}
  .footer-cols{grid-template-columns:repeat(2,1fr);justify-content:start}
  .head-row,.deliver-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:680px){
  .header-inner{height:64px}
  .hero-cta,.hero-metrics,.scene-facts{grid-template-columns:1fr;display:grid}
  .hero-cta .btn{width:100%}
  .model{display:flex;padding:22px}
  .model-specs{margin-top:16px;border-top:1px solid rgba(255,255,255,.06)}
  .model-foot{flex-direction:column;align-items:stretch;gap:12px;margin-top:18px;padding-top:18px}
  .model-cta{width:100%}
  .timeline,.case-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .cert-panel,.xinchuang-panel,.form-card{padding:22px}
  .promise-row{flex-direction:column;align-items:stretch}
  .promise{text-align:center}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .footer-legal{flex-direction:column;gap:8px}
  .watermark{font-size:96px;top:-6px}
  .scene-panel{padding:18px}
}