/* ============================================================
   燚加华集团 · 全站样式
   科技蓝 #0EA5E9 / 午夜蓝 #17324E / 面板 #1F3D5C
   ============================================================ */
:root{
  --brand:#0EA5E9;
  --brand-d:#0284C7;
  --brand-l:#38BDF8;
  --bg:#F5F8FC;
  --ink:#1A2230;
  --ink-2:#5A6572;
  --line:#E6E9EF;
  --dark:#17324E;
  --dark-2:#1B3552;
  --panel:#1F3D5C;
  --green:#22C55E;
  --amber:#F59E0B;
  --radius:14px;
  --shadow:0 12px 40px rgba(23,50,78,.10);
  --shadow-lg:0 24px 70px rgba(23,50,78,.16);
  --mono:Consolas,"Cascadia Mono","JetBrains Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
code{font-family:var(--mono)}
.container{width:min(1180px,92%);margin:0 auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-weight:600;font-size:15px;
  transition:.25s;border:1.5px solid transparent;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;
  box-shadow:0 8px 24px rgba(14,165,233,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(14,165,233,.45)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.btn-outline{border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:16px 38px;font-size:17px}

/* ============ 导航 ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  padding:18px 0;transition:.3s;
}
.nav.scrolled{
  background:rgba(23,50,78,.9);backdrop-filter:blur(14px);
  padding:10px 0;box-shadow:0 6px 24px rgba(0,0,0,.3);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:11px;color:#fff}
.logo-img{width:38px;height:38px;object-fit:contain}
.logo-text{font-size:18px;font-weight:800;letter-spacing:1px;line-height:1.15;display:flex;flex-direction:column}
.logo-text small{font-size:10px;font-weight:500;letter-spacing:2.5px;color:rgba(226,232,240,.55)}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links>a,.drop-btn{
  color:rgba(255,255,255,.85);font-size:14.5px;font-weight:500;transition:.2s;
  background:none;border:0;font-family:inherit;cursor:pointer;
  display:inline-flex;align-items:center;gap:5px;padding:6px 0;position:relative;
}
.nav-links>a:hover,.drop-btn:hover{color:#fff}
.nav-links>a::after,.drop-btn::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--brand);transition:right .25s;
}
.nav-links>a:hover::after,.drop-btn:hover::after,.nav-links>a[aria-current="page"]::after{right:0}
.nav-links>a[aria-current="page"]{color:#fff;font-weight:700}
.drop-btn.cur{color:#fff;font-weight:700}
.drop-btn.cur::after{right:0}
.hotline{
  display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700;
  font-size:15px;font-family:var(--mono);letter-spacing:.5px;
}
.hotline svg{width:15px;height:15px;color:var(--brand-l)}
.hotline:hover{color:var(--brand-l)}
/* 下拉 */
.nav-drop{position:relative}
.drop-btn .caret{width:10px;height:10px;transition:.25s}
.nav-menu{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,8px);
  min-width:250px;background:#fff;border-radius:12px;padding:10px;
  box-shadow:0 20px 50px rgba(23,50,78,.22);border:1px solid var(--line);
  opacity:0;visibility:hidden;transition:.25s;
}
.nav-menu::before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);width:12px;height:12px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.nav-drop:hover .nav-menu,.nav-drop:focus-within .nav-menu,
.nav-drop.open .nav-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-drop:hover .caret,.nav-drop.open .caret{transform:rotate(180deg)}
.nav-menu a{
  display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:9px;transition:.2s;
}
.nav-menu a:hover{background:rgba(14,165,233,.06)}
.nav-menu a b{font-size:15px;color:var(--ink)}
.nav-menu a b i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--brand);margin-left:6px}
.nav-menu a span{font-size:12.5px;color:var(--ink-2)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ============ Hero（首页大版式） ============ */
.hero{
  position:relative;color:#fff;padding:170px 0 90px;
  background:radial-gradient(1200px 620px at 78% -12%,#20466B 0%,var(--dark) 55%);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.grid-lines{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(148,163,184,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.07) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(700px 500px at 30% 20%,#000 30%,transparent 75%);
}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4}
.glow-1{width:440px;height:440px;background:var(--brand);top:-130px;right:6%}
.glow-2{width:320px;height:320px;background:var(--brand-d);bottom:-100px;left:-80px;opacity:.3}
.hero-inner{display:grid;grid-template-columns:1.02fr 1fr;gap:52px;align-items:center;position:relative}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--brand-l);
  border:1px solid rgba(14,165,233,.45);border-radius:999px;padding:6px 16px;margin-bottom:22px;
  background:rgba(14,165,233,.10);
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}
.hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.22;font-weight:800;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--brand-l)}
.hero-quote{
  margin:20px 0 6px;padding-left:16px;border-left:3px solid var(--brand);
  color:rgba(226,232,240,.85);font-size:15.5px;line-height:1.9;max-width:540px;
}
.hero-sub{margin:16px 0 30px;color:rgba(226,232,240,.75);font-size:16px;max-width:520px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-points{display:flex;gap:22px;margin-top:30px;flex-wrap:wrap}
.hero-points li{
  font-size:13.5px;color:rgba(226,232,240,.75);display:flex;align-items:center;gap:7px;
}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.badge-xc{
  display:inline-flex;align-items:center;gap:7px;margin-top:26px;
  border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 16px;
  font-size:13px;color:rgba(255,255,255,.9);background:rgba(255,255,255,.05);
}
.badge-xc b{color:var(--brand-l)}

/* 网络拓扑面板 */
.net-frame{
  border-radius:14px;background:linear-gradient(180deg,#1A2A44,#0F1C30);
  border:1px solid rgba(148,163,184,.22);box-shadow:var(--shadow-lg),0 0 60px rgba(14,165,233,.10);
  overflow:hidden;transition:.4s;
}
.net-frame:hover{border-color:rgba(14,165,233,.4)}
.screen-bar{
  display:flex;align-items:center;gap:7px;padding:10px 14px;
  background:#0D1929;border-bottom:1px solid rgba(148,163,184,.14);
}
.screen-bar span{width:10px;height:10px;border-radius:50%}
.screen-bar span:nth-child(1){background:#ef4444}
.screen-bar span:nth-child(2){background:#f59e0b}
.screen-bar span:nth-child(3){background:#22c55e}
.screen-bar i{font-style:normal;font-size:12px;color:#64748b;margin-left:10px;letter-spacing:1px;font-family:var(--mono)}
.net-svg{display:block;width:100%}
.flow{stroke-dasharray:5 7;animation:flowDash 1.15s linear infinite}
@keyframes flowDash{to{stroke-dashoffset:-24}}
.hub-pulse{transform-origin:350px 200px;animation:pulse 2.6s ease-out infinite}
@keyframes pulse{0%{transform:scale(.7);opacity:.7}70%{transform:scale(1.35);opacity:0}100%{transform:scale(1.35);opacity:0}}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;color:#fff;padding:158px 0 62px;overflow:hidden;
  background:radial-gradient(900px 440px at 70% -20%,#20466B 0%,var(--dark) 60%);
}
.page-hero .grid-lines{mask-image:radial-gradient(700px 420px at 24% 30%,#000 30%,transparent 75%)}
.crumb{font-size:13px;letter-spacing:2px;color:rgba(226,232,240,.55);margin-bottom:14px}
.crumb b{color:var(--brand-l)}
.crumb a{color:rgba(226,232,240,.75);text-decoration:none;transition:color .2s}
.crumb a:hover{color:var(--brand-l)}
.page-hero h1{font-size:clamp(28px,3.8vw,46px);font-weight:800;letter-spacing:1px;line-height:1.25}
.page-hero h1 em{font-style:normal;color:var(--brand-l)}
.page-hero .lede{margin-top:16px;max-width:640px;color:rgba(226,232,240,.78);font-size:16px}
.page-hero .hero-cta{margin-top:28px}
.page-hero .badge-xc{margin-top:24px}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:60px;
  background:rgba(255,255,255,.05);border:1px solid rgba(148,163,184,.18);
  border-radius:var(--radius);padding:30px 20px;backdrop-filter:blur(8px);
}
.stats li{text-align:center}
.stats b{font-size:clamp(26px,3.2vw,40px);font-weight:800;color:#fff;display:block;line-height:1.2}
.stats b .suffix{color:var(--brand-l)}
.stats span{font-size:13.5px;color:rgba(226,232,240,.65);letter-spacing:1px}

/* ============ 认证条 ============ */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:34px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-ico{font-size:28px;line-height:1}
.trust-item b{display:block;font-size:15.5px}
.trust-item p{font-size:13px;color:var(--ink-2);margin-top:3px}

/* ============ 通用区块 ============ */
.section{padding:96px 0}
.section-dark{background:var(--dark);color:#E2E8F0}
.section-tint{background:linear-gradient(180deg,#EFF1F5,#F5F8FC)}
.section-head{text-align:center;max-width:800px;margin:0 auto 56px}
.kicker{
  font-size:12.5px;font-weight:700;letter-spacing:3px;color:var(--brand);
  margin-bottom:12px;text-transform:uppercase;
}
.section-dark .kicker{color:var(--brand-l)}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:800}
.section-dark .section-head h2{color:#fff}
.section-sub{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-dark .section-sub{color:rgba(203,213,225,.72)}
.closing-line{
  margin-top:52px;text-align:center;font-size:clamp(17px,2.2vw,22px);font-weight:700;
  color:var(--ink);padding:0 5%;
}
.closing-line em{font-style:normal;color:var(--brand);border-bottom:2px solid rgba(14,165,233,.35);padding-bottom:2px}
.section-dark .closing-line{color:#fff}
.section-dark .closing-line em{color:var(--brand-l)}

/* ============ 特性/价值卡片 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-grid.four{grid-template-columns:repeat(4,1fr)}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;transition:.3s;position:relative;overflow:hidden;
}
.feature-card::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-d));
  transform:scaleX(0);transform-origin:left;transition:.35s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-card:hover::after{transform:scaleX(1)}
.f-ico{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(14,165,233,.12),rgba(14,165,233,.05));
  color:var(--brand);margin-bottom:20px;
}
.f-ico svg{width:26px;height:26px}
.feature-card h3{font-size:18.5px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--ink-2)}
/* 深色区块内的白卡片：文字回归深色，避免继承浅色导致标题看不清 */
.section-dark .feature-card{
  color:var(--ink);
  box-shadow:0 12px 32px rgba(8,20,36,.28);
}
.section-dark .feature-card h3{color:var(--ink)}

/* ============ 痛点对比（VS） ============ */
.versus{
  display:grid;grid-template-columns:1fr 1fr;position:relative;
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);
}
.vs-pane{padding:46px 44px}
.vs-old{background:linear-gradient(160deg,#182842,var(--dark) 70%);color:#E2E8F0}
.vs-new{background:#fff}
.vs-kicker{font-size:12px;font-weight:700;letter-spacing:3px;margin-bottom:10px}
.vs-old .vs-kicker{color:rgba(226,232,240,.5)}
.vs-new .vs-kicker{color:var(--brand)}
.vs-pane h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:6px}
.vs-new h3{color:var(--ink)}
.vs-pane .vs-sub{font-size:14px;margin-bottom:22px}
.vs-old .vs-sub{color:rgba(226,232,240,.55)}
.vs-new .vs-sub{color:var(--ink-2)}
.vs-list{display:grid;gap:13px}
.vs-list li{font-size:14.5px;padding-left:30px;position:relative;line-height:1.6}
.vs-old .vs-list li{color:rgba(226,232,240,.8)}
.vs-new .vs-list li{color:var(--ink)}
.vs-list li::before{
  content:"";position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:50%;
}
.vs-list li::after{
  position:absolute;left:0;top:3px;width:19px;height:19px;
  display:grid;place-items:center;font-size:10px;font-weight:800;line-height:1;
}
.vs-old .vs-list li::before{background:rgba(14,165,233,.16);border:1.5px solid rgba(14,165,233,.65)}
.vs-old .vs-list li::after{content:"✕";color:var(--brand-l)}
.vs-new .vs-list li::before{background:rgba(34,197,94,.13);border:1.5px solid var(--green)}
.vs-new .vs-list li::after{content:"✓";color:var(--green)}
.vs-vs{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;
  font-weight:800;font-size:18px;letter-spacing:1px;
  box-shadow:0 10px 30px rgba(14,165,233,.5);border:5px solid var(--bg);
}

/* ============ 数据链路（深色 SVG 大图） ============ */
.flow-svg{display:block;width:100%;max-width:1080px;margin:0 auto}
.flow-points{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px;margin:44px auto 0}
.flow-point{
  background:rgba(255,255,255,.04);border:1px solid rgba(148,163,184,.18);
  border-radius:var(--radius);padding:22px 26px;font-size:14.5px;color:rgba(226,232,240,.82);
  display:flex;gap:14px;align-items:flex-start;
}
.flow-point .fp-ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(14,165,233,.14);color:var(--brand-l);
}
.flow-point b{display:block;color:#fff;font-size:15px;margin-bottom:3px}

/* ============ 模块化平台 ============ */
.mod-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.mod-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.3s}
.mod-group:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.mod-group>h3{display:flex;align-items:center;gap:10px;font-size:17px}
.mod-group>h3 .g-ico{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(14,165,233,.1);color:var(--brand);
}
.mod-group>h3 .g-ico svg{width:18px;height:18px}
.grp-sub{font-size:12.5px;color:var(--ink-2);margin:8px 0 14px}
.mod-item{
  display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  padding:8.5px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.mod-item:last-child{border-bottom:0}
.mod-item span{color:var(--ink)}
.mod-item code{font-size:12px;color:var(--brand);background:rgba(14,165,233,.07);padding:1.5px 8px;border-radius:6px;white-space:nowrap}
.mod-item small{font-size:12px;color:var(--ink-2)}
.plat-tags{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.plat-tags li{
  border:1px solid var(--line);border-radius:999px;padding:10px 22px;font-size:14px;
  background:#fff;display:flex;gap:8px;align-items:center;color:var(--ink);
}
.plat-tags li b{color:var(--brand)}
.plat-tags li .sep{color:var(--line)}

/* ============ 协议墙 ============ */
.proto-wall{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:980px;margin:0 auto}
.proto-tag{
  font-family:var(--mono);font-size:13px;padding:8px 17px;
  border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);
  transition:.2s;cursor:default;
}
.proto-tag.hl,.proto-tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,165,233,.05)}
.proto-wall-note{margin-top:30px;text-align:center;font-size:15px;color:var(--ink-2)}
.proto-wall-note b{color:var(--brand)}
.section-dark .proto-wall-note b{color:var(--brand-l)}
.gw-note{
  max-width:860px;margin:34px auto 0;
  background:rgba(14,165,233,.05);border:1px dashed rgba(14,165,233,.45);
  border-radius:var(--radius);padding:24px 30px;font-size:15px;color:var(--ink);text-align:center;
}
.section-dark .gw-note{background:rgba(14,165,233,.08);color:rgba(226,232,240,.9)}
.gw-note b{color:var(--brand)}
.section-dark .gw-note b{color:var(--brand-l)}
.drv-groups{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.drv-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.drv-group h4{font-size:15px;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.drv-group h4 i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-2);font-weight:400;margin-left:auto}
.drv-group .proto-wall{justify-content:flex-start;gap:8px}
.drv-group .proto-tag{font-size:12px;padding:6px 13px}

/* ============ 双产品线 ============ */
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.duo-card{
  border-radius:20px;padding:42px 40px;position:relative;overflow:hidden;transition:.3s;
  display:flex;flex-direction:column;align-items:flex-start;
}
.duo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.duo-dx{background:linear-gradient(150deg,#1D3A58,var(--dark) 62%);color:#fff;border:1px solid rgba(14,165,233,.4)}
.duo-dx::before{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,165,233,.28),transparent 65%);
  right:-90px;top:-110px;pointer-events:none;
}
.duo-igx{background:#fff;border:1px solid var(--line)}
.duo-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:2px;
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
  background:rgba(14,165,233,.07);color:var(--brand);border:1px solid rgba(14,165,233,.25);
}
.duo-dx .duo-tag{background:rgba(14,165,233,.18);color:var(--brand-l);border:1px solid rgba(14,165,233,.5)}
.duo-igx .duo-tag{background:rgba(14,165,233,.07);color:var(--brand);border:1px solid rgba(14,165,233,.25)}
.duo-card h3{font-size:25px;margin-bottom:6px}
.duo-igx h3{color:var(--ink)}
.duo-sub{font-size:14px;margin-bottom:18px}
.duo-dx .duo-sub{color:rgba(226,232,240,.65)}
.duo-igx .duo-sub{color:var(--ink-2)}
.duo-list{display:grid;gap:10px;margin:0 0 28px;font-size:14.5px}
.duo-list li{display:flex;gap:9px;align-items:flex-start}
.duo-list li::before{content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:8px}
.duo-igx .duo-list li::before{background:var(--brand)}
.duo-dx .duo-list li{color:rgba(226,232,240,.85)}
.duo-igx .duo-list li{color:var(--ink)}
.duo-chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px}
.duo-chips span{
  font-size:12.5px;border:1px solid var(--line);border-radius:999px;padding:5px 13px;color:var(--ink-2);background:#FAFBFC;
}
.duo-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;color:var(--brand);
}
.duo-dx .duo-link{color:var(--brand-l)}
.duo-link svg{width:16px;height:16px;transition:.25s}
.duo-link:hover svg{transform:translateX(4px)}

/* ============ 应用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  border-radius:var(--radius);overflow:hidden;position:relative;background:var(--dark);
  box-shadow:var(--shadow);transition:.3s;aspect-ratio:4/3;
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.scene-card:hover img{transform:scale(1.06)}
.scene-card figcaption{
  position:absolute;inset:auto 0 0 0;padding:46px 18px 16px;color:#fff;
  background:linear-gradient(transparent,rgba(6,10,22,.92));
}
.scene-card b{display:block;font-size:17px}
.scene-card span{font-size:12.5px;color:rgba(226,232,240,.75);display:block;margin-top:4px}
/* 场景页大卡 */
.scene-row{
  display:grid;grid-template-columns:1.15fr 1fr;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
}
.scene-row+.scene-row{margin-top:26px}
.scene-row:nth-child(even) .sr-media{order:2}
.sr-media{position:relative;min-height:280px}
.sr-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sr-body{padding:40px 42px;display:flex;flex-direction:column;justify-content:center}
.sr-body .sr-no{font-family:var(--mono);font-size:12px;color:var(--brand);letter-spacing:2px;margin-bottom:10px}
.sr-body h3{font-size:22px;margin-bottom:10px}
.sr-body p{font-size:14.5px;color:var(--ink-2)}
.sr-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.sr-tags span{font-size:12.5px;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--ink-2)}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:40px 34px;display:flex;flex-direction:column;transition:.3s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.hot{
  border:2px solid var(--brand);
  box-shadow:0 20px 50px rgba(14,165,233,.16);
  background:linear-gradient(180deg,#EFF7FD,#fff 40%);
}
.ribbon{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:1px;padding:5px 18px;border-radius:999px;
}
.price-card h3{font-size:20px}
.p-tag{font-size:13px;color:var(--ink-2);margin-top:4px}
.p-price{font-size:52px;font-weight:800;margin:18px 0 20px;color:var(--ink)}
.p-price sup{font-size:22px;font-weight:700;color:var(--brand);top:-18px;position:relative;margin-right:2px}
.p-price span{font-size:14px;font-weight:400;color:var(--ink-2);margin-left:6px}
.price-card ul{display:grid;gap:11px;margin-bottom:28px;flex:1}
.price-card li{font-size:14px;color:var(--ink-2);padding-left:26px;position:relative}
.price-card li::before{
  content:"";position:absolute;left:0;top:6px;width:15px;height:15px;border-radius:50%;
  background:rgba(34,197,94,.14);
}
.price-card li::after{
  content:"";position:absolute;left:4px;top:10px;width:7px;height:3.5px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(-45deg);
}
.ent-note{text-align:center;margin-top:44px;color:var(--ink-2);font-size:15px}
.ent-note a{color:var(--brand);font-weight:600;border-bottom:1.5px solid currentColor}

/* ============ 下载 CTA 大横幅 ============ */
.download-cta{
  margin-top:70px;background:linear-gradient(120deg,#1D3A58,#17324E 55%,#20466B);
  border-radius:24px;padding:48px 54px;display:flex;align-items:center;
  justify-content:space-between;gap:30px;color:#fff;flex-wrap:wrap;
  position:relative;overflow:hidden;border:1px solid rgba(14,165,233,.3);
}
.download-cta::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,165,233,.25),transparent 65%);
  right:-80px;top:-120px;pointer-events:none;
}
.download-cta h3{font-size:24px;margin-bottom:8px}
.download-cta p{color:rgba(203,213,225,.78);font-size:15px;max-width:560px}
.download-cta .btns{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 评价 ============ */
.t-slider{max-width:820px;margin:0 auto;position:relative}
.t-track{position:relative;min-height:250px}
.t-card{
  position:absolute;inset:0;opacity:0;transform:translateX(40px);
  transition:.5s;pointer-events:none;
  background:var(--panel);border:1px solid rgba(148,163,184,.18);
  border-radius:20px;padding:40px 44px;display:flex;flex-direction:column;justify-content:center;
}
.t-card.active{opacity:1;transform:none;pointer-events:auto}
.t-card p{font-size:16.5px;color:rgba(226,232,240,.9);line-height:1.9}
.t-card p::before{content:"“";display:block;font-size:52px;line-height:.6;color:var(--brand-l);margin-bottom:14px;font-family:Georgia,serif}
.t-card footer{margin-top:22px;display:flex;flex-direction:column}
.t-card footer b{color:#fff;font-size:15px}
.t-card footer span{font-size:13px;color:rgba(203,213,225,.6);margin-top:2px}
.t-dots{display:flex;gap:9px;justify-content:center;margin-top:26px}
.t-dots button{
  width:9px;height:9px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(148,163,184,.35);transition:.25s;padding:0;
}
.t-dots button.active{background:var(--brand);width:26px;border-radius:999px}

/* ============ 联系 / 表单 ============ */
.contact-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.c-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;gap:16px;align-items:flex-start;transition:.3s;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.c-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:rgba(14,165,233,.09);color:var(--brand);font-size:20px;
}
.c-card b{display:block;font-size:14.5px;margin-bottom:4px}
.c-card a,.c-card span{font-size:14px;color:var(--ink-2)}
.c-card a:hover{color:var(--brand)}
.c-card .mono{font-family:var(--mono);font-size:16px;color:var(--ink);font-weight:700}
.contact-side{display:grid;gap:24px}
.qr-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;text-align:center;
}
.qr{display:grid;place-items:center;background:#fff}
.qr-card p{font-size:13.5px;color:var(--ink-2);margin-top:12px}
.lead-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;display:grid;gap:14px;
}
.lead-form h3{font-size:17px}
.lead-form input,.lead-form textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 16px;
  font:inherit;font-size:14.5px;transition:.2s;resize:vertical;background:#FAFBFC;
}
.lead-form input:focus,.lead-form textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(14,165,233,.12);
}
.form-tip{font-size:13.5px;color:var(--green);min-height:1em}

/* ============ 关于页 ============ */
.about-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:44px;align-items:start}
.about-copy h3{font-size:19px;margin:26px 0 10px}
.about-copy h3:first-child{margin-top:0}
.about-copy p{font-size:15px;color:var(--ink-2);margin-bottom:12px}
.about-note{
  margin-top:18px;font-size:12.5px;color:var(--ink-2);
  background:#FAFBFC;border:1px dashed var(--line);border-radius:10px;padding:10px 16px;
}
.brand-card{
  background:linear-gradient(160deg,#1A2A44,var(--dark));border-radius:20px;
  padding:44px 36px;text-align:center;color:#fff;position:relative;overflow:hidden;
}
.brand-card::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,165,233,.22),transparent 65%);
  left:50%;top:-130px;transform:translateX(-50%);pointer-events:none;
}
.brand-card img{width:120px;height:120px;margin:0 auto 20px;filter:drop-shadow(0 12px 30px rgba(14,165,233,.35))}
.brand-card h3{font-size:22px;letter-spacing:2px}
.brand-card .en{font-size:11.5px;letter-spacing:3px;color:rgba(226,232,240,.5);margin-top:6px}
.brand-card .badge-xc{margin-top:24px}

/* ============ 服务支持页 ============ */
.doc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.doc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:.3s;display:flex;flex-direction:column;
}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.doc-card .d-count{
  font-family:var(--mono);font-size:11px;color:var(--brand);letter-spacing:1px;margin-bottom:8px;
}
.doc-card h3{font-size:16.5px;margin-bottom:12px}
.doc-card ul{display:grid;gap:7px}
.doc-card li{font-size:12.8px;color:var(--ink-2);padding-left:15px;position:relative;line-height:1.5}
.doc-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:rgba(14,165,233,.35)}
.doc-card .d-more{margin-top:auto;padding-top:14px;font-size:12px;color:var(--brand)}
.doc-grid.four{grid-template-columns:repeat(4,1fr)}
.doc-card .pdf-list{display:grid;gap:10px}
.doc-card .pdf-list li{padding-left:0}
.doc-card .pdf-list li::before{display:none}
.pdf-ico{
  flex:0 0 auto;width:38px;height:44px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#F87171,#DC2626);color:#fff;
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.5px;
  box-shadow:inset 0 -8px 0 rgba(0,0,0,.12);
}
/* 视频区块 */
.video-wrap{max-width:960px;margin:0 auto}
.video-wrap video{
  width:100%;display:block;border-radius:16px;background:#0B1B2B;
  box-shadow:0 24px 60px rgba(11,27,43,.25);
}
.demo-card-live.video-card video{
  width:100%;display:block;border-radius:10px;background:#0B1B2B;
  margin-bottom:16px;aspect-ratio:16/9;
}
.manual-groups{display:grid;gap:30px}
.mgroup-title{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:10px}
.mgroup-tag{
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:1px;color:var(--brand-d);
  background:rgba(14,165,233,.1);border:1px solid rgba(14,165,233,.25);border-radius:999px;padding:3px 10px;
}
.manual-row{
  display:flex;align-items:center;gap:14px;padding:13px 16px;
  background:#fff;border:1px solid var(--line);
  transition:border-color .25s,box-shadow .25s;
}
.mgroup .manual-row:first-of-type{border-radius:12px 12px 0 0}
.mgroup .manual-row:last-of-type{border-radius:0 0 12px 12px}
.mgroup .manual-row:only-of-type{border-radius:12px}
.manual-row + .manual-row{margin-top:-1px}
.manual-row:hover{border-color:rgba(14,165,233,.5);box-shadow:0 4px 16px rgba(14,116,180,.08);position:relative;z-index:1}
.dl-badge{height:20px;flex:none;border-radius:4px}
.m-name{flex:1;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.manual-row:hover .m-name{color:var(--brand-d)}
.m-size{flex:0 0 auto;font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.m-btn{
  flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--brand);
  border:1px solid rgba(14,165,233,.35);border-radius:999px;padding:7px 16px;white-space:nowrap;
  transition:background .25s,color .25s;
}
.manual-row:hover .m-btn{background:var(--brand);color:#fff;border-color:var(--brand)}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-card{
  background:var(--panel);border:1px solid rgba(148,163,184,.2);border-radius:var(--radius);
  padding:34px 30px;color:#E2E8F0;display:flex;flex-direction:column;transition:.3s;
}
.dl-card:hover{transform:translateY(-5px);border-color:rgba(14,165,233,.5)}
.dl-card .sys{
  font-family:var(--mono);font-size:11px;letter-spacing:2px;color:var(--brand-l);margin-bottom:12px;
}
.dl-card h3{font-size:19px;color:#fff;margin-bottom:8px}
.dl-card p{font-size:13.5px;color:rgba(203,213,225,.7);margin-bottom:24px;flex:1}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:.25s;
}
.faq-item[open]{border-color:rgba(14,165,233,.4);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 26px;font-weight:600;font-size:15.5px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--brand);font-weight:400;transition:.25s;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 26px 22px;font-size:14.5px;color:var(--ink-2)}

/* ============ 平台支持表 ============ */
.spec-table{
  width:100%;border-collapse:collapse;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
}
.spec-table-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.spec-table-wrap table{width:100%;border-collapse:collapse}
.spec-table-wrap th{
  background:var(--panel);color:#fff;text-align:left;padding:15px 20px;
  font-size:14px;letter-spacing:1px;font-weight:600;
}
.spec-table-wrap td{
  padding:14px 20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink);
}
.spec-table-wrap td code{font-size:12.5px;color:var(--brand);background:rgba(14,165,233,.07);padding:2px 9px;border-radius:6px;margin-right:6px}
.spec-table-wrap tr:hover td{background:#FAFBFC}
.spec-table-wrap td b{font-weight:600;color:var(--ink)}
.spec-table-wrap .th-hi{font-style:normal;font-size:11px;background:var(--brand);color:#fff;border-radius:999px;padding:2px 9px;margin-left:8px;vertical-align:middle;letter-spacing:.5px}
.spec-table-wrap td.yes{color:#059669}
.spec-table-wrap td.yes .yes{color:#059669;font-weight:600}
.spec-table-wrap td.na{color:#94A3B8;text-align:center}
.spec-table-wrap td.common-cell{color:var(--ink-2);background:#FAFBFC}
.spec-table-wrap tr.group-row td{background:var(--bg);color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em;padding:11px 20px;border-top:1px solid var(--line)}
@media (max-width:640px){
  .spec-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .spec-table-wrap table{min-width:580px}
}

/* ============ SVG 对比（IGX 页） ============ */
.svg-sec{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.svg-list{margin-top:24px;display:grid;gap:12px}
.svg-list li{
  padding-left:30px;position:relative;color:rgba(226,232,240,.85);font-size:15px;
}
.svg-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:rgba(14,165,233,.16);border:1.5px solid var(--brand-l);
}
.svg-list li::after{
  content:"";position:absolute;left:4.5px;top:12.5px;width:6px;height:3px;
  border-left:2px solid var(--brand-l);border-bottom:2px solid var(--brand-l);
  transform:rotate(-45deg);
}
.svg-demo{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.demo-card{
  background:var(--panel);border:1px solid rgba(148,163,184,.2);
  border-radius:var(--radius);padding:16px;transition:.3s;
}
.demo-card:hover{transform:translateY(-4px);border-color:rgba(14,165,233,.5)}
.demo-card figcaption{font-size:13px;color:rgba(203,213,225,.8);margin-bottom:12px;line-height:1.5}
.demo-card figcaption b{display:block;color:#fff;font-size:14px}
.demo-card.bad figcaption b{color:#FDA4AF}
.demo-stage{height:170px;background:#0D1929;border-radius:10px;padding:14px;border:1px solid rgba(148,163,184,.14)}
.demo-stage.pixel svg{image-rendering:pixelated}
.svg-shot{margin:0;background:#fff;border-radius:16px;padding:14px 14px 8px;box-shadow:var(--shadow-lg)}
.svg-shot img{width:100%;height:auto;display:block;border-radius:9px}
.svg-shot figcaption{padding:10px 4px 4px;text-align:center;font-size:12.5px;color:var(--ink-2);line-height:1.6}
.svg-shot figcaption b{display:block;color:var(--ink);font-size:13.5px;margin-bottom:2px}

/* ============ 页面导航子块（锚点导航条） ============ */
.subnav{
  position:sticky;top:64px;z-index:60;background:rgba(247,248,250,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.subnav-inner{display:flex;gap:6px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a{
  flex:0 0 auto;font-size:13.5px;padding:8px 18px;border-radius:999px;color:var(--ink-2);transition:.2s;
}
.subnav a:hover{color:var(--brand);background:rgba(14,165,233,.06)}

/* ============ Footer ============ */
.footer{background:var(--dark);color:rgba(203,213,225,.75);padding:64px 0 0}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(148,163,184,.14);
}
.f-brand .logo{margin-bottom:4px}
.f-brand p{font-size:13.5px;margin-top:16px;line-height:1.9}
.f-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  border:1px solid rgba(14,165,233,.5);border-radius:999px;padding:6px 15px;
  font-size:12.5px;color:rgba(255,255,255,.9);background:rgba(14,165,233,.1);
}
.f-badge b{color:var(--brand-l)}
.f-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.f-col a,.f-col span{display:block;font-size:13.5px;padding:5px 0;transition:.2s}
.f-col a:hover{color:var(--brand-l)}
.f-col .mono{font-family:var(--mono);font-size:15px;color:#fff;font-weight:700}
.f-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0;font-size:12.5px;color:rgba(148,163,184,.55);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  border:0;cursor:pointer;background:var(--brand);color:#fff;font-size:19px;
  box-shadow:0 10px 26px rgba(14,165,233,.4);opacity:0;pointer-events:none;
  transition:.3s;z-index:90;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px)}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.delay-1{transition-delay:.12s}
.reveal.delay-2{transition-delay:.24s}
.reveal.delay-3{transition-delay:.36s}

/* 资质证书下载列表 */
.cert-files{max-width:880px;margin:28px auto 0}
.cert-files .mgroup-title{color:#fff}
.img-ico{background:linear-gradient(160deg,#38BDF8,#0284C7)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:640px;margin:0 auto}
  .feature-grid,.feature-grid.four{grid-template-columns:1fr 1fr}
  .mod-wrap{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .doc-grid,.doc-grid.four{grid-template-columns:repeat(3,1fr)}
  .dl-grid{grid-template-columns:1fr 1fr}
  .svg-sec{grid-template-columns:1fr;gap:40px}
  .duo-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .drv-groups{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .scene-row{grid-template-columns:1fr}
  .scene-row:nth-child(even) .sr-media{order:0}
  .sr-media{min-height:240px}
}
@media (max-width:768px){
  .nav{padding:12px 0}
  body.nav-open{overflow:hidden}
  .nav-links{
    position:fixed;top:62px;left:0;right:0;height:calc(100vh - 62px);height:calc(100dvh - 62px);flex-direction:column;align-items:stretch;
    background:#17324E;
    padding:18px 6vw 34px;gap:4px;
    transform:translateY(-16px);opacity:0;visibility:hidden;
    transition:transform .32s ease,opacity .32s ease,visibility .32s;
    overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;
    z-index:200;
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links>a,.hotline{padding:13px 0;font-size:15.5px;min-height:46px;display:flex;align-items:center}
  .nav-links .btn{margin-top:16px;justify-content:center;min-height:48px;padding:12px 24px}
  .drop-btn{width:100%;justify-content:space-between;padding:13px 0;font-size:15.5px;min-height:46px}
  .nav-menu{
    position:static;transform:none;opacity:1;visibility:visible;display:block;
    box-shadow:none;border:0;background:rgba(255,255,255,.05);border-radius:12px;
    padding:0 12px;min-width:0;
    max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;
  }
  .nav-menu::before{display:none}
  .nav-drop.open .nav-menu{max-height:780px;padding:6px 12px;transform:none}
  .nav-menu a{padding:12px 10px}
  .nav-menu a b{color:#EAF1F9}
  .nav-menu a b i{color:var(--brand-l)}
  .nav-menu a span{color:rgba(203,213,225,.75)}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0;transform:scaleX(.4)}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .section{padding:72px 0}
  .manual-row{padding:12px 12px;gap:10px}
  .m-size{display:none}
  .m-btn{padding:6px 12px;font-size:12px}
  .trust-grid{grid-template-columns:1fr 1fr;gap:20px}
  .stats{grid-template-columns:1fr 1fr;gap:26px}
  .feature-grid,.feature-grid.four,.mod-wrap,.scene-grid,.dl-grid,.doc-grid,.doc-grid.four{grid-template-columns:1fr}
  .svg-demo{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .flow-points{grid-template-columns:1fr}
  .versus{grid-template-columns:1fr}
  .vs-vs{display:none}
  .vs-pane{padding:36px 28px}
  .vs-old{border-bottom:1px dashed rgba(148,163,184,.3)}
  .download-cta{padding:36px 28px}
  .t-card{padding:30px 26px}
  .hero{padding:130px 0 70px}
  .page-hero{padding:120px 0 54px}
  .sr-body{padding:28px 24px}
  .hotline{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============ 双品牌下拉菜单 ============ */
.nav-menu.menu-wide{min-width:560px;display:grid;grid-template-columns:1fr 1fr;gap:0 8px}
.menu-brand{
  grid-column:1/-1;font-size:11px;font-weight:800;letter-spacing:2px;
  color:var(--ink-2);padding:10px 14px 4px;border-top:1px dashed var(--line);margin-top:4px;
}
.menu-brand:first-child{border-top:0;margin-top:0}
.menu-brand b{color:var(--brand)}
@media (max-width:768px){
  .nav-menu.menu-wide{min-width:0;grid-template-columns:1fr}
}

/* ============ 集团实力数据条 ============ */
.grp-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.grp-stats li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 14px;text-align:center;transition:.3s;
}
.grp-stats li:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,165,233,.35)}
.grp-stats b{font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--brand);display:block;line-height:1.2}
.grp-stats b .suffix{font-size:.55em;color:var(--ink-2)}
.grp-stats span{font-size:12.5px;color:var(--ink-2);letter-spacing:1px}
@media (max-width:1024px){.grp-stats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.grp-stats{grid-template-columns:1fr 1fr}}

/* ============ 双品牌产品矩阵 ============ */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.matrix-col{border-radius:20px;padding:36px 34px;border:1px solid var(--line);background:#fff}
.matrix-head{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}
.matrix-head h3{font-size:22px}
.matrix-head span{font-size:12px;letter-spacing:2px;color:var(--ink-2)}
.matrix-desc{font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
.matrix-item{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:16px 0;border-top:1px dashed var(--line);
}
.matrix-item h4{font-size:16px}
.matrix-item h4 i{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--brand);margin-left:8px;letter-spacing:1px}
.matrix-item p{font-size:13.5px;color:var(--ink-2);margin-top:3px;line-height:1.6}
.matrix-item .go{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap;
}
.matrix-item:hover .go{text-decoration:underline}
@media (max-width:900px){.matrix{grid-template-columns:1fr}}

/* ============ 案例页 ============ */
.case-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1024px){.case-stats{grid-template-columns:1fr 1fr}}
@media (max-width:1024px){.price-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:900px){.case-grid{grid-template-columns:1fr}}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;transition:.3s;position:relative;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(14,165,233,.35)}
.case-card .c-ind{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:2px;color:var(--brand);
  background:rgba(14,165,233,.07);border:1px solid rgba(14,165,233,.22);
  border-radius:999px;padding:4px 14px;margin-bottom:14px;
}
.case-card h3{font-size:18px;margin-bottom:8px}
.case-card p{font-size:14px;color:var(--ink-2)}
.case-card .c-meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-family:var(--mono);font-size:12px;color:var(--ink-2);display:flex;gap:16px;flex-wrap:wrap;
}
.case-card .c-meta b{color:var(--brand)}
.case-table-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;overflow-x:auto}
.case-table{width:100%;border-collapse:collapse;min-width:760px}
.case-table th{background:var(--panel);color:#fff;text-align:left;padding:14px 18px;font-size:13.5px;letter-spacing:1px}
.case-table td{padding:13px 18px;border-top:1px solid var(--line);font-size:13.8px;color:var(--ink);vertical-align:top}
.case-table tr:hover td{background:#FAFBFC}
.case-table td b{color:var(--brand)}

/* ============ 演示区 ============ */
.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.demo-grid{grid-template-columns:1fr 1fr}}
@media (max-width:768px){.demo-grid{grid-template-columns:1fr}}
.demo-card-live{
  background:var(--panel);border:1px solid rgba(148,163,184,.2);border-radius:var(--radius);
  padding:32px 28px;color:#E2E8F0;transition:.3s;display:flex;flex-direction:column;
}
.demo-card-live:hover{transform:translateY(-5px);border-color:rgba(14,165,233,.55)}
.demo-card-live .d-sys{font-family:var(--mono);font-size:11px;letter-spacing:2px;color:var(--brand-l);margin-bottom:12px}
.demo-card-live h3{font-size:18px;color:#fff;margin-bottom:8px}
.demo-card-live p{font-size:13.5px;color:rgba(203,213,225,.7);margin-bottom:22px;flex:1}
.demo-card-live .d-url{
  font-family:var(--mono);font-size:12px;color:rgba(203,213,225,.55);
  border:1px dashed rgba(148,163,184,.3);border-radius:8px;padding:8px 12px;margin-bottom:16px;
  word-break:break-all;
}
.video-note{font-size:12.5px;color:rgba(203,213,225,.55);margin-top:8px}
/* 可用演示卡：账号信息 / LIVE 标记 */
.demo-card-live.is-live{border-color:rgba(56,189,248,.5)}
.live-flag{font-family:var(--mono);font-size:9.5px;letter-spacing:.05em;color:#0B2236;background:var(--brand-l);border-radius:999px;padding:2.5px 9px;margin-left:8px;vertical-align:1px}
.d-cred{list-style:none;margin:0 0 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:10px 14px}
.d-cred li{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;padding:5px 0}
.d-cred li span{flex:none;color:rgba(203,213,225,.55);font-size:11.5px}
.d-cred li code{font-family:var(--mono);font-size:11.5px;color:#BFE6FF;word-break:break-all;text-align:right}
.cred-line{font-size:13px;color:rgba(226,232,240,.7);margin-top:14px}
.cred-line code{font-family:var(--mono);font-size:12.5px;color:var(--brand-l);background:rgba(14,165,233,.12);border-radius:5px;padding:2px 8px;margin:0 2px}
/* 产品页 CTA 区块 */
.cta{background:var(--bg);padding:72px 0;border-top:1px solid var(--line)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta h2{font-size:30px;line-height:1.4;margin:0 0 12px}
.cta p{color:var(--ink-2);font-size:15.5px;line-height:1.8;margin:0;max-width:560px}
.cta .cta-btns{flex:none}
.cta .btn-ghost{color:var(--ink);border-color:var(--line)}
.cta .btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);background:rgba(14,165,233,.06)}
@media (max-width:768px){
  .cta{padding:52px 0}
  .cta h2{font-size:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
}

.cta-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 下载页 ============ */
.dl-rows{display:grid;gap:18px}
.dl-row{
  display:grid;grid-template-columns:64px 1.4fr 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 28px;transition:.3s;
}
.dl-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(14,165,233,.35)}
.dl-ico{
  width:64px;height:64px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(14,165,233,.12),rgba(14,165,233,.04));color:var(--brand);
}
.dl-ico svg{width:30px;height:30px}
.dl-row h3{font-size:17.5px}
.dl-row h3 i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--brand);margin-left:8px}
.dl-row .d-desc{font-size:13px;color:var(--ink-2);margin-top:4px}
.dl-row .d-plat{font-size:12.5px;color:var(--ink-2)}
.dl-row .d-plat code{font-size:11.5px;color:var(--brand);background:rgba(14,165,233,.07);padding:2px 8px;border-radius:6px;margin-right:5px}
.d-actions{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:900px){.dl-row{grid-template-columns:48px 1fr;gap:16px}.dl-row .d-plat,.dl-row .btn{grid-column:2}}
.dl-row .d-plat{grid-column:auto}
@media (max-width:900px){.dl-row{grid-template-columns:1fr}.dl-ico{display:none}.dl-row .d-plat,.dl-row .btn{grid-column:auto}.d-actions{justify-content:flex-start}}

/* ===== IGX MES 产品页专用 ===== */
/* 特性滚动条 */
.mes-strip{background:linear-gradient(90deg,rgba(14,165,233,.08),rgba(14,165,233,.03) 50%,rgba(14,165,233,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:13px 0}
.strip-track{display:inline-flex;gap:38px;white-space:nowrap;animation:stripMove 36s linear infinite;will-change:transform}
.strip-track span{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.04em}
.strip-track span i{width:6px;height:6px;border-radius:2px;background:var(--brand);flex:none;transform:rotate(45deg)}
@keyframes stripMove{to{transform:translateX(-50%)}}
.mes-strip:hover .strip-track{animation-play-state:paused}
/* 六大核心能力 */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.cap{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px 22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,165,233,.45)}
.cap .idx{font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:12px}
.cap h3{font-size:17.5px;margin-bottom:10px}
.cap p{font-size:13.8px;color:var(--ink-2);line-height:1.85}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.tags b{font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 11px}
/* 七步业务闭环 */
.chain-wrap{display:grid;grid-template-columns:300px 1fr;gap:22px;margin-top:44px;align-items:stretch}
.chain-nodes{display:flex;flex-direction:column;gap:10px}
.node{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:13px 16px;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.node:hover{border-color:rgba(56,189,248,.4)}
.node.active{background:linear-gradient(90deg,rgba(14,165,233,.16),rgba(14,165,233,.05));border-color:rgba(56,189,248,.65);transform:translateX(6px)}
.node .n{font-family:var(--mono);font-size:11px;color:var(--brand-l);letter-spacing:.1em;flex:none}
.node b{font-size:14.5px;color:#fff;letter-spacing:.02em}
.chain-detail{background:var(--panel);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:34px 36px;display:flex;flex-direction:column;justify-content:center;min-height:300px}
.step-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--brand-l);margin-bottom:14px}
.chain-detail h4{font-size:22px;color:#fff;margin-bottom:14px}
.chain-detail p{font-size:14.5px;line-height:2;color:#B9C6DD}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.flow-tags span{font-size:12px;color:#8FD4F8;border:1px solid rgba(56,189,248,.35);background:rgba(14,165,233,.08);border-radius:999px;padding:4px 13px}
/* 13 大功能模块 */
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.mcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,165,233,.45)}
.mcount{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:11px;font-weight:700;color:var(--brand);background:rgba(14,165,233,.08);border:1px solid rgba(14,165,233,.25);border-radius:999px;padding:3px 10px}
.mtop{display:flex;align-items:center;gap:11px;margin-bottom:12px}
.mico{font-size:21px;line-height:1}
.mname{font-size:15.5px;font-weight:700}
.mname i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--brand);margin-right:7px}
.mcard p{font-size:13.2px;color:var(--ink-2);line-height:1.8;min-height:66px}
.mtags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.mtags b{font-size:11px;font-weight:600;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2.5px 9px}
.mtags .more{font-family:var(--mono);font-size:11px;color:var(--brand);align-self:center;padding:0 4px}
/* 质量与追溯 */
.q-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.q-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.q-list li{display:flex;gap:16px;align-items:flex-start}
.q-ico{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);background:rgba(14,165,233,.09);border:1px solid rgba(14,165,233,.28)}
.q-list h4{font-size:15.5px;margin-bottom:5px}
.q-list p{font-size:13.5px;color:var(--ink-2);line-height:1.85}
.q-visual{background:var(--dark);border-radius:18px;padding:28px 30px;box-shadow:var(--shadow-lg)}
.qv-title{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--brand-l);margin-bottom:18px;text-align:center}
.trace-flow{display:flex;flex-direction:column}
.trace-row{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:11px;padding:12px 18px}
.trace-row b{font-size:13.5px;color:#fff;font-weight:600}
.trace-row span{font-family:var(--mono);font-size:11px;color:var(--brand-l);letter-spacing:.08em}
.trace-arrow{text-align:center;color:var(--brand);font-size:14px;line-height:1.5}
/* 静默自动化 */
.auto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.auto{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:24px 22px;transition:border-color .25s,background .25s}
.auto:hover{border-color:rgba(56,189,248,.45);background:rgba(14,165,233,.06)}
.auto .ai{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--brand-l);margin-bottom:12px}
.auto h4{font-size:15.5px;color:#fff;margin-bottom:9px}
.auto p{font-size:13.2px;color:#A9B8D2;line-height:1.85}
/* 产品矩阵 */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;transition:transform .25s,box-shadow .25s}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod .pn{display:inline-block;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.14em;color:var(--brand);background:rgba(14,165,233,.08);border:1px solid rgba(14,165,233,.25);border-radius:8px;padding:4px 11px;margin-bottom:14px}
.prod h4{font-size:15.5px;margin-bottom:8px}
.prod p{font-size:13.2px;color:var(--ink-2);line-height:1.8}
.prod.feat{background:linear-gradient(135deg,var(--dark),#1B3552);border-color:transparent}
.prod.feat h4{color:#fff}
.prod.feat p{color:#B9C6DD}
.prod.feat .pn{color:var(--brand-l);background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.4)}
/* 部署交付 */
.dp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.dp{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:28px 26px}
.dp h4{display:flex;align-items:center;gap:11px;font-size:16px;color:#fff;margin-bottom:16px}
.dp h4 .d{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(14,165,233,.18);flex:none}
.dp ul{display:flex;flex-direction:column;gap:10px}
.dp li{position:relative;padding-left:18px;font-size:13.5px;color:#A9B8D2;line-height:1.75}
.dp li::before{content:'';position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brand-l)}
@media (max-width:1024px){.cap-grid,.map-grid,.prod-grid{grid-template-columns:repeat(2,1fr)}.auto-grid{grid-template-columns:repeat(2,1fr)}.dp-grid{grid-template-columns:1fr}.chain-wrap{grid-template-columns:1fr}.chain-nodes{flex-direction:row;overflow-x:auto;padding-bottom:6px}.node{flex:none;min-width:150px}.node.active{transform:none}.q-grid{grid-template-columns:1fr;gap:34px}}
@media (max-width:640px){.cap-grid,.map-grid,.prod-grid,.auto-grid{grid-template-columns:1fr}.mcard p{min-height:0}.chain-detail{padding:26px 22px;min-height:0}}

/* ===== DX ME 产品页专用 ===== */
/* journey 指标块 */
.j-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.j-metric{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:11px;padding:12px 14px}
.j-metric small{display:block;font-size:11px;color:#8B9BB8;letter-spacing:.04em;margin-bottom:4px}
.j-metric strong{font-size:15px;color:#fff;font-family:var(--mono)}
/* 智能导入窗口 */
.imp{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.imp .check-list{display:flex;flex-direction:column;gap:13px;margin:26px 0 30px}
.imp .check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.imp .check-list li span{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--brand);background:rgba(14,165,233,.1);border:1px solid rgba(14,165,233,.3);margin-top:1px}
.imp-window{background:var(--dark);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)}
.imp-bar{display:flex;align-items:center;gap:10px;padding:13px 18px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.08)}
.imp-bar .dots{display:flex;gap:6px}
.imp-bar .dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.14)}
.imp-bar span.t{font-size:12.5px;color:#B9C6DD}
.imp-bar .code{margin-left:auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--brand-l)}
.imp-progress{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 10px}
.imp-progress span{font-size:12.5px;color:#8B9BB8}
.imp-progress strong{font-family:var(--mono);font-size:13px;color:var(--brand-l)}
.imp-table{padding:0 20px 16px;display:flex;flex-direction:column;gap:7px}
.imp-table .row{display:grid;grid-template-columns:1.1fr 1.5fr .5fr .8fr;gap:10px;align-items:center;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);border-radius:9px;padding:10px 14px;font-size:12.5px}
.imp-table .row span{color:#C6D2E8;font-family:var(--mono);font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.imp-table .row.head{background:none;border-style:dashed}
.imp-table .row.head span{color:#6E7F9E;font-size:10.5px;letter-spacing:.08em}
.imp-table .row b{font-size:11px;font-weight:600;border-radius:999px;padding:2.5px 10px;justify-self:start;white-space:nowrap}
.tag-green{color:#4ADE80;background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3)}
.tag-amber{color:#FBBF24;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3)}
.tag-blue{color:#38BDF8;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3)}
.imp-foot{display:flex;justify-content:space-between;padding:12px 20px;border-top:1px solid rgba(255,255,255,.07);font-size:11.5px;color:#6E7F9E}
.imp-foot .l{display:flex;align-items:center;gap:8px}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(14,165,233,.45)}55%{box-shadow:0 0 0 7px rgba(14,165,233,0)}}
/* 智能服务进度条 */
.meter{height:5px;border-radius:99px;background:rgba(255,255,255,.09);margin-top:16px;overflow:hidden}
.meter i{display:block;height:100%;width:var(--meter,60%);border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-l));transition:width 1.2s cubic-bezier(.22,1,.36,1)}
.auto .svc-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#6E7F9E;margin-top:9px}
/* 云端 × 本地架构图 */
.arch-card{background:var(--panel);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:26px 28px;box-shadow:var(--shadow-lg)}
.arch-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:#8B9BB8;margin-bottom:22px}
.arch-top .st{display:flex;align-items:center;gap:7px;color:var(--brand-l)}
.arch-top .st i{width:8px;height:8px;border-radius:50%;background:var(--brand);animation:pulse 1.6s infinite}
.arch-map{display:flex;flex-direction:column;gap:0}
.arch-node{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:13px;padding:15px 18px}
.arch-node small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:#8B9BB8;margin-bottom:5px}
.arch-node strong{display:block;font-size:16.5px;color:#fff;margin-bottom:3px}
.arch-node em{font-style:normal;font-size:12px;color:#8B9BB8}
.arch-node.mid{border-color:rgba(56,189,248,.4);background:linear-gradient(90deg,rgba(14,165,233,.12),rgba(14,165,233,.04))}
.arch-link{display:flex;flex-direction:column;align-items:center;padding:6px 0;color:var(--brand)}
.arch-link::before{content:'↓';font-size:14px;line-height:1}
.arch-link small{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:#6E7F9E;margin-top:4px}
.arch-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.07)}
.arch-foot span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:#8B9BB8;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px 12px}
.f-pills{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 30px}
.f-pills span{font-size:12px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 15px}
@media (max-width:1024px){.imp{grid-template-columns:1fr;gap:34px}.j-metrics{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.imp-table .row{grid-template-columns:1fr 1fr;row-gap:6px}.j-metrics{grid-template-columns:1fr}.j-metric{display:flex;justify-content:space-between;align-items:center}.j-metric small{margin-bottom:0}}
/* ===== DX ME 手册增强：九大模块卡 / 导入四步 / 单据状态流转 ===== */
.map-grid .mcard p{min-height:0;margin-bottom:2px}
.imp-steps{display:flex;align-items:center;gap:8px;padding:16px 20px 8px;flex-wrap:wrap}
.imp-steps span{font-size:11.5px;font-weight:600;color:#8FD4F8;border:1px solid rgba(56,189,248,.35);background:rgba(14,165,233,.08);border-radius:999px;padding:4px 12px;white-space:nowrap}
.imp-steps span.on{background:var(--brand);border-color:transparent;color:#fff}
.imp-steps i{font-style:normal;color:rgba(255,255,255,.28);font-size:11px}
.df-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.df-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.df-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,165,233,.45)}
.df-name{display:flex;align-items:center;justify-content:space-between;font-size:14.5px;font-weight:700;margin-bottom:14px}
.df-name i{font-style:normal;font-family:var(--mono);font-size:10.5px;font-weight:600;color:var(--brand);letter-spacing:.1em}
.df-chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.df-step{font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 10px;white-space:nowrap}
.df-step.mid{color:var(--brand-d);background:rgba(14,165,233,.09);border-color:rgba(14,165,233,.3)}
.df-step.done{color:#fff;background:linear-gradient(90deg,var(--brand),var(--brand-d));border-color:transparent}
.df-arrow{color:var(--brand);font-size:11px;font-weight:700}
.df-note{margin-top:28px;text-align:center;font-size:12.5px;color:var(--ink-2)}
@media (max-width:1024px){.df-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.df-grid{grid-template-columns:1fr}}
/* ===== IGX Web SCADA：软件界面 / 特性详解 / 协议 / 集群 / 概要 ===== */
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.shot-grid.two{grid-template-columns:repeat(2,1fr)}
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 12px 16px;transition:transform .25s,box-shadow .25s,border-color .25s}
.shot:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(14,165,233,.4)}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px;display:block;background:var(--bg)}
.shot figcaption{font-size:12.8px;color:var(--ink-2);margin-top:11px;line-height:1.65;padding:0 4px}
.shot figcaption b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}
.deep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.deep-grid.two{grid-template-columns:repeat(2,1fr);gap:24px}
.deep{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);border-radius:16px;overflow:hidden;transition:border-color .25s,transform .25s}
.deep:hover{border-color:rgba(56,189,248,.45);transform:translateY(-4px)}
.deep>img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#fff}
.deep .dc-body{padding:18px 20px 20px}
.deep h4{font-size:15.5px;color:#fff;margin-bottom:8px}
.deep p{font-size:13px;color:#A9B8D2;line-height:1.8}
.proto-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;justify-content:center}
.proto-cloud span{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;transition:.2s}
.proto-cloud span:hover{color:var(--brand-d);border-color:rgba(14,165,233,.5);background:rgba(14,165,233,.06)}
.cluster{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.benefit-list{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.benefit-list li{display:flex;gap:12px;font-size:13.8px;color:#A9B8D2;line-height:1.75}
.benefit-list b{color:var(--brand-l);font-family:var(--mono);flex:none;font-weight:600}
.cluster-visual{background:#fff;border-radius:18px;padding:16px;box-shadow:var(--shadow-lg)}
.cluster-visual img{width:100%;display:block;border-radius:10px}
.spec-table{max-width:880px;margin:46px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.spec-table .row{display:grid;grid-template-columns:200px 1fr;border-top:1px solid var(--line)}
.spec-table .row:first-child{border-top:0}
.spec-table .row b{background:var(--bg);padding:14px 22px;font-size:13.5px;color:var(--ink);border-right:1px solid var(--line);font-weight:600}
.spec-table .row span{padding:14px 22px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
@media (max-width:1024px){.shot-grid,.deep-grid{grid-template-columns:repeat(2,1fr)}.cluster{grid-template-columns:1fr;gap:32px}}
@media (max-width:640px){.shot-grid,.shot-grid.two,.deep-grid,.deep-grid.two{grid-template-columns:1fr}.spec-table .row{grid-template-columns:1fr}.spec-table .row b{border-right:0;border-bottom:1px dashed var(--line);padding-bottom:8px}}
/* ===== DIOT 8500 网关：型号简介 / 拓扑 / 优势 / 参数 ===== */
.gw-split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.gw-model{font-size:21px;color:#fff;margin-bottom:14px}
.gw-model i{display:block;font-style:normal;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--brand-l);margin-top:7px}
.gw-desc{font-size:14px;color:#A9B8D2;line-height:1.95}
/* 新品徽章 + 场景金句 */
.new-badge{
  display:inline-block;margin:6px 0 14px;
  background:linear-gradient(135deg,#F43F5E,#E11D48);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:2px;padding:6px 16px;border-radius:999px;
  box-shadow:0 6px 18px rgba(225,29,72,.35);
}
.gw-quote{
  margin:22px 0 4px;padding:18px 22px;border-radius:12px;
  background:linear-gradient(135deg,rgba(14,165,233,.14),rgba(14,165,233,.04));
  border:1px solid rgba(56,189,248,.25);
  font-size:17px;font-weight:600;color:#F1F5F9;line-height:1.7;
}
.gw-quote::before{content:"";margin-right:2px}
.gw-note{margin-top:22px;padding:15px 18px;border-left:3px solid var(--brand);background:rgba(14,165,233,.08);border-radius:0 12px 12px 0;font-size:13px;color:#C6D2E8;line-height:1.85}
.gw-note b{color:var(--brand-l)}
.gw-topo{margin:46px 0 0;background:#fff;border-radius:18px;padding:18px 18px 10px;box-shadow:var(--shadow-lg)}
.gw-topo img{width:100%;display:block;border-radius:10px}
.gw-topo figcaption{padding:10px 6px 6px;text-align:center;font-size:12.5px;color:var(--ink-2)}
.gw-sub{font-size:17.5px;color:#fff;margin:54px 0 6px;padding-left:12px;border-left:3px solid var(--brand)}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;margin-top:40px}
.adv-grid li{display:flex;align-items:flex-start;gap:15px;font-size:14.5px;color:var(--ink-2);line-height:1.7;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:0 1px 3px rgba(23,50,78,.05);transition:transform .25s,box-shadow .25s,border-color .25s}
.adv-grid li:hover{transform:translateY(-3px);border-color:rgba(14,165,233,.45);box-shadow:0 10px 26px rgba(14,165,233,.13)}
.adv-grid b{flex:none;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(14,165,233,.1);color:var(--brand-d);font-family:var(--mono);font-size:13.5px;font-weight:700;transition:background .25s,color .25s}
.adv-grid li:hover b{background:var(--brand);color:#fff}
.gw-custom{margin-top:18px;text-align:center;font-size:13.5px;color:#8FD4F8}
@media (max-width:1024px){.gw-split{grid-template-columns:1fr;gap:34px}.adv-grid{grid-template-columns:1fr}}
/* ===== 产品家族交叉链接卡 / DX 网关 SVG 容器 ===== */
.family-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:42px}
.family-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.family-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(14,165,233,.45)}
.fc-tag{display:inline-block;font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;color:var(--brand-d);background:rgba(14,165,233,.09);border-radius:999px;padding:4px 12px;margin-bottom:15px}
.family-card h3{font-size:18.5px;color:var(--ink);margin-bottom:9px}
.family-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.fc-go{display:inline-block;margin-top:16px;font-size:13px;font-weight:600;color:var(--brand-d)}
.gw-device-svg{background:#fff;border-radius:18px;padding:18px 18px 10px;box-shadow:var(--shadow-lg);margin:0}
.gw-device-svg svg{width:100%;display:block;border-radius:10px}
.gw-device-svg img{width:100%;height:auto;display:block;border-radius:10px}
.gw-device-svg figcaption{padding:9px 4px 4px;text-align:center;font-size:12px;color:var(--ink-2)}

/* ============ DX Claw 企业 AI 助手 ============ */
.new-badge{display:inline-block;margin-bottom:18px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;color:#FCA5A5;background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.35);border-radius:999px;padding:5px 15px}
/* 微信对话区 */
.claw-chat-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;margin-top:44px}
.claw-chat{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#EDEDED}
.cc-top{display:flex;align-items:center;gap:14px;background:#2E2E2E;color:#fff;padding:14px 18px}
.cc-top .cc-back{font-size:22px;line-height:1;margin-top:-2px}
.cc-top b{font-size:15.5px;flex:1}
.cc-top .cc-state{font-size:11px;color:#8B8F96}
.cc-body{padding:20px 16px;display:flex;flex-direction:column;gap:12px;max-height:560px;overflow-y:auto}
.cc-time{align-self:center;font-size:11.5px;color:#9B9B9B;background:rgba(0,0,0,.06);padding:2px 11px;border-radius:6px}
.bubble{max-width:82%;padding:11px 15px;font-size:14px;line-height:1.75;border-radius:6px;position:relative}
.bubble b{color:var(--brand-d)}
.bubble.me{align-self:flex-end;background:#95EC69;color:#1A1A1A;border-top-right-radius:2px}
.bubble.me b{color:#0E6B3A}
.bubble.ai{align-self:flex-start;background:#fff;color:#26292E;border-top-left-radius:2px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.claw-chat-list{list-style:none;display:flex;flex-direction:column;gap:13px;margin:6px 0 0}
.claw-chat-list li{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 19px;box-shadow:0 1px 3px rgba(23,50,78,.04)}
.claw-chat-list li b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px}
.claw-chat-list li span{font-size:13px;color:var(--ink-2);line-height:1.7}
/* 模块地图 */
.claw-mods{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:42px}
.cm-item{display:flex;gap:15px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px;transition:transform .25s,box-shadow .25s,border-color .25s}
.cm-item:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(14,165,233,.1);border-color:rgba(14,165,233,.4)}
.cm-badge{flex:none;width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12.5px;font-weight:700;color:#fff;background:var(--c)}
.cm-item b{display:block;font-size:15px;color:var(--ink)}
.cm-item em{font-style:normal;font-size:11.5px;color:var(--brand-d);font-weight:600;margin-left:8px}
.cm-item p{font-size:12.5px;color:var(--ink-2);margin-top:5px;line-height:1.6}
.claw-ai3{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:30px;background:var(--dark);color:#CBD5E1;border-radius:14px;padding:19px 24px;font-size:13.5px}
.claw-ai3 b{color:#fff;font-size:14px}
.claw-ai3 span{display:flex;align-items:center;gap:7px}
.claw-ai3 i{font-style:normal;color:var(--brand-l);font-weight:700}
/* 主截图 */
.claw-main-shot{margin-top:42px;background:#fff;border-radius:18px;padding:16px 16px 12px;box-shadow:var(--shadow-lg)}
.claw-main-shot img{width:100%;display:block;border-radius:10px}
.claw-main-shot figcaption{padding:12px 8px 4px;text-align:center;font-size:13px;color:var(--ink-2);line-height:1.7}
.claw-main-shot figcaption b{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
.claw-main-dark{margin-top:42px;border-radius:18px;overflow:hidden;border:1px solid rgba(148,163,184,.18);box-shadow:0 24px 60px rgba(0,0,0,.45)}
.claw-main-dark img{width:100%;display:block}
.claw-main-dark figcaption{padding:16px 22px;text-align:center;font-size:13px;color:#A9B8D2;line-height:1.7;background:rgba(255,255,255,.03);border-top:1px solid rgba(148,163,184,.12)}
.claw-main-dark figcaption b{display:block;color:#fff;font-size:15px;margin-bottom:3px}
/* 痛点卡 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:42px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 24px 20px;position:relative;transition:transform .25s,box-shadow .25s}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pain-no{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em}
.pain-card h3{font-size:18px;color:var(--ink);margin:7px 0 9px}
.pain-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.pain-ans{margin-top:15px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-2);line-height:1.7}
.pain-ans b{color:var(--brand-d)}
/* 对比卡 */
.vs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.vs-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 24px 20px}
.vs-card h3{font-size:16.5px;color:var(--ink);margin-bottom:16px;padding-bottom:13px;border-bottom:2px solid var(--bg)}
.vs-card dl{display:flex;flex-direction:column;gap:11px}
.vs-card dl div{display:flex;gap:12px;font-size:13px;line-height:1.6}
.vs-card dt{flex:none;width:66px;font-weight:700;color:#94A3B8}
.vs-card dd{color:var(--ink-2)}
.vs-win{margin-top:16px;padding:12px 15px;background:rgba(14,165,233,.07);border-radius:10px;font-size:12.8px;color:var(--brand-d);line-height:1.7;font-weight:600}
.claw-slogan{margin:44px auto 0;max-width:920px;text-align:center;font-size:17px;color:var(--ink);line-height:1.9;background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:14px;padding:24px 32px}
.claw-slogan b{color:var(--brand-d)}
@media (max-width:1024px){
  .claw-chat-wrap{grid-template-columns:1fr;gap:30px}
  .claw-mods,.pain-grid,.vs-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .claw-mods,.pain-grid,.vs-grid{grid-template-columns:1fr}
  .claw-ai3{flex-direction:column;align-items:flex-start;gap:8px}
}