/* ==========================================================================
   中马数字科技有限公司 · 官方网站　www.zmszai.com
   设计系统 & 全站样式

   配色唯一来源：ZM_VI-B08 标准色值卡 v1.0
   除下列令牌外，全站不得引入其他色值。
   用法比例遵循手册「色彩的力量来自克制」：60/25/10/5
   ========================================================================== */

:root {
  /* ---- B08 标准色 · 品牌主色（蓝：数据与理性） ---- */
  --zm-primary-50: #EEF2FE;
  --zm-primary-100: #DCE4FD;
  --zm-primary-300: #7394F7;
  --zm-primary-500: #4873F4;
  --zm-primary-600: #3A68F3;
  --zm-primary-700: #1D52F1;

  /* ---- B08 标准色 · 品牌辅色（紫：算力与想象） ---- */
  --zm-secondary-50: #F3F0FE;
  --zm-secondary-100: #E3DCFD;
  --zm-secondary-300: #9986F4;
  --zm-secondary-500: #694EEF;
  --zm-secondary-600: #5537ED;

  /* ---- B08 标准色 · 中性 / 深空色 ---- */
  --zm-neutral-900: #0F172A;
  --zm-neutral-800: #1E293B;
  --zm-neutral-700: #334155;
  --zm-neutral-600: #475569;
  --zm-neutral-500: #64748B;
  --zm-neutral-400: #94A3B8;
  --zm-neutral-300: #CBD5E1;
  --zm-neutral-200: #E2E8F0;
  --zm-neutral-100: #F1F5F9;
  --zm-neutral-50: #F8FAFC;
  --zm-neutral-0: #FFFFFF;

  /* ---- B08 · 状态色 ---- */
  --zm-success: #0B7A3B;
  --zm-warning: #B45309;
  --zm-danger: #DC2626;

  /* ---- 品牌渐变（取自图形标笔画） ---- */
  --zm-gradient: linear-gradient(90deg, #4873F4 0%, #694EEF 100%);

  /* ---- 语义别名（组件层使用，值仍锁定 B08） ---- */
  --ink: var(--zm-neutral-900);
  --ink-2: var(--zm-neutral-800);
  --text: var(--zm-neutral-800);
  --muted: var(--zm-neutral-500);
  --muted-2: var(--zm-neutral-400);
  --line: var(--zm-neutral-200);
  --line-2: var(--zm-neutral-100);
  --bg: var(--zm-neutral-0);
  --bg-soft: var(--zm-neutral-50);
  --bg-soft-2: var(--zm-neutral-100);

  --brand: var(--zm-primary-700);
  --brand-dark: #143FC4;          /* 交互态：primary-700 压深一档，仅用于 hover/active */
  --brand-2: var(--zm-secondary-500);
  --brand-soft: var(--zm-primary-50);
  --accent: var(--zm-secondary-500);
  --accent-soft: var(--zm-secondary-50);

  --dark: var(--zm-neutral-900);
  --darker: #0B1220;              /* 手册暗色模式底，仅用于页脚 */

  /* 字体：手册第 07 章 · 思源黑体 / Noto Sans SC，替代苹方 / 微软雅黑 */
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, system-ui, sans-serif;

  /* 尺寸 */
  --maxw: 1200px;
  --radius: 18px;
  --radius-lg: 26px;

  /* 标志规格（B01 / 第 05 章） */
  --logo-h: 32px;                 /* 横式主标高度，宽度约 126px ≥ 屏幕最小 120px */
  --nav-h: 72px;                  /* 手册规定导航高度 72px */
  --nav-pad-x: 24px;              /* 标志距左 24px */

  /* 阴影 */
  --shadow-s: 0 1px 2px rgba(15, 23, 42, .05), 0 10px 24px -18px rgba(15, 23, 42, .35);
  --shadow-m: 0 28px 64px -32px rgba(15, 23, 42, .38);
  --shadow-l: 0 48px 110px -50px rgba(15, 23, 42, .45);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -.022em;
  color: var(--ink);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(29, 82, 241, .16); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--nav-pad-x);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--brand);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ============================ 顶栏 ============================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -24px rgba(15, 23, 42, .6);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
  transition: height .3s var(--ease);
}
.site-header.is-scrolled .nav { height: 64px; }

/* B01 横式主标：屏幕最小宽度 120px，故高度锁定 32px（宽约 126px），吸顶时不缩放 */
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo { height: var(--logo-h); width: auto; display: block; }
.brand-text { display: none; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  position: relative;
  padding: 9px 15px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
.nav-links a.is-active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-tel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.nav-tel svg { color: var(--brand); }

/* 汉堡按钮 */
.burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4.5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 18px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.burger.is-open span:nth-child(1) { transform: translateY(6.3px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6.3px) rotate(-45deg); }

/* 移动端面板 */
.mobile-panel {
  position: fixed;
  inset: 76px 0 0 0;
  z-index: 85;
  background: #fff;
  padding: 18px 24px 40px;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s ease, transform .28s var(--ease), visibility .28s;
}
.mobile-panel.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-panel a.m-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 4px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
}
.mobile-panel a.m-link span { font-size: 12px; font-weight: 500; color: var(--muted-2); letter-spacing: .06em; }
.mobile-panel a.m-link.is-active { color: var(--brand); }
.mobile-panel .m-foot { margin-top: 26px; display: grid; gap: 12px; }
.mobile-panel .m-info { font-size: 13.5px; color: var(--muted); }

/* ============================ 按钮 ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .22s var(--ease), box-shadow .22s, background .22s, color .22s, border-color .22s;
  white-space: nowrap;
}
.btn svg { transition: transform .22s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--zm-gradient);
  color: #fff;
  box-shadow: 0 12px 26px -14px rgba(29, 82, 241, .95);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 38px -16px rgba(29, 82, 241, .9); }

.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #CBD5E1; background: #FCFDFE; transform: translateY(-2px); }

.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #1E293B; transform: translateY(-2px); }

.btn-light { background: #fff; color: var(--brand-dark); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 18px 32px -18px rgba(0, 0, 0, .5); }

.btn-outline-light { border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .5); }

.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--brand);
}
.text-link svg { transition: transform .22s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ============================ 首屏 ============================ */
.hero {
  position: relative;
  padding: 148px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(1080px 520px at 80% -12%, rgba(29, 82, 241, .12), transparent 64%),
    radial-gradient(720px 400px at 4% 2%, rgba(105, 78, 239, .11), transparent 62%),
    #fff;
}
/* -----------------------------------------------------------------
   VI 辅助图形（B10）落地规则
   · 局部弧线：取旋线单一弧段放大为背景，透明度 6–12%，可叠 135° 细斜线
   · 斜切纹理：12px 间距、1.1px 线宽、135°，整体 6–12%
   · 辅助图形永远处于背景层，且不与标志争夺注意力
   ----------------------------------------------------------------- */
.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -170px;
  width: 900px;
  height: 320px;
  -webkit-mask-image: linear-gradient(100deg, transparent 6%, #000 46%);
  mask-image: linear-gradient(100deg, transparent 6%, #000 46%);
  background: url("../brand/aux-arc-thin.svg") no-repeat center / contain;
  opacity: .09;
  pointer-events: none;
  z-index: 0;
}
.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(135deg, rgba(72, 115, 244, .22) 0 1.1px, transparent 1.1px 12px);
  -webkit-mask-image: radial-gradient(ellipse 66% 60% at 62% 22%, #000 4%, transparent 72%);
  mask-image: radial-gradient(ellipse 66% 60% at 62% 22%, #000 4%, transparent 72%);
}
.hero .wrap { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 56px;
  align-items: center;
}
.hero-copy, .hero-visual, .split-copy, .split-media { min-width: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 32px;
  padding: 0 14px 0 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .8);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-2);
  margin-bottom: 26px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(105, 78, 239, .16);
}

.display {
  font-size: clamp(34px, 4.3vw, 57px);
  line-height: 1.14;
  letter-spacing: -.032em;
  font-weight: 700;
}
.display .grad {
  background: linear-gradient(96deg, #1D52F1 6%, #694EEF 62%, #694EEF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.display .thin { font-weight: 500; color: var(--ink-2); }

.lead {
  margin-top: 24px;
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}
.lead strong { color: var(--ink); font-weight: 600; }

.hero .btn-row { margin-top: 34px; }

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 32px;
  padding-top: 26px;
  border-top: 1px solid var(--line-2);
}
.hero-notes li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}
.hero-notes svg { flex: 0 0 auto; color: var(--brand); }

/* 产品预览仪表盘 */
.hero-visual { position: relative; }

.dash {
  position: relative;
  z-index: 2;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-l);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
  transition: transform .6s var(--ease);
}
.hero-visual:hover .dash { transform: perspective(1400px) rotateY(0) rotateX(0); }

.dash-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 14px;
  background: #FBFCFE;
  border-bottom: 1px solid var(--line-2);
}
.dash-bar i { width: 8px; height: 8px; border-radius: 50%; background: #E2E8F0; }
.dash-bar i:nth-child(1) { background: #F7C1C1; }
.dash-bar i:nth-child(2) { background: #FAC775; }
.dash-bar i:nth-child(3) { background: #E2E8F0; }
.dash-bar .url {
  margin-left: 12px;
  flex: 1;
  height: 20px;
  border-radius: 999px;
  background: #F1F5F9;
  font-size: 10px;
  color: var(--muted-2);
  display: flex;
  align-items: center;
  padding: 0 10px;
  letter-spacing: .04em;
}

.dash-body { display: grid; grid-template-columns: 104px 1fr; }

.dash-side {
  border-right: 1px solid var(--line-2);
  background: #FCFDFE;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dash-side .s-logo {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1D52F1, #694EEF);
  margin: 0 0 12px 4px;
}
.dash-side .s-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 9.5px;
  color: var(--muted);
  padding: 6px 7px;
  border-radius: 7px;
  white-space: nowrap;
}
.dash-side .s-item b {
  width: 12px; height: 12px;
  border-radius: 3.5px;
  background: #DCE4FD;
  flex: 0 0 auto;
}
.dash-side .s-item.on { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.dash-side .s-item.on b { background: var(--brand); }

.dash-main { padding: 16px 16px 18px; }
.dash-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 14px; }
.dash-head .t { font-size: 11.5px; font-weight: 700; color: var(--ink); letter-spacing: .01em; }
.dash-head .d { font-size: 9px; color: var(--muted-2); }

.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.kpi {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 9px 10px;
  background: #fff;
}
.kpi .k-lab { font-size: 8.5px; color: var(--muted-2); letter-spacing: .04em; }
.kpi .k-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}
.kpi .k-val small { font-size: 9px; font-weight: 600; color: var(--muted-2); margin-left: 2px; }
.kpi .k-tag { font-size: 8.5px; color: #0B7A3B; }

.chart {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 12px 12px 8px;
  background: linear-gradient(180deg, #FCFDFE, #fff);
}
.chart-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.chart-top span { font-size: 9px; color: var(--muted); }
.chart-legend { display: flex; gap: 10px; }
.chart-legend i { display: inline-flex; align-items: center; gap: 4px; font-size: 8px; color: var(--muted-2); font-style: normal; }
.chart-legend i::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--brand); }
.chart-legend i:nth-child(2)::before { background: #B9C8FB; }

.bars { display: flex; align-items: flex-end; gap: 7px; height: 86px; }
.bars span {
  flex: 1;
  border-radius: 4px 4px 3px 3px;
  background: linear-gradient(180deg, #4873F4, #1D52F1);
  min-height: 6px;
}
.bars span.soft { background: linear-gradient(180deg, #C7D4FD, #B9C8FB); }
@keyframes barIn { from { transform: scaleY(.1); opacity: 0; } to { transform: scaleY(1); opacity: 1; } }

.dash-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.dash-foot .rowx { display: flex; align-items: center; gap: 6px; font-size: 8.5px; color: var(--muted-2); }
.dash-foot .pillx {
  font-size: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #0B7A3B;
  font-weight: 600;
}

/* 浮动标签 */
.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 11px 15px;
  box-shadow: var(--shadow-m);
  animation: floaty 6s ease-in-out infinite;
}
.float-card .fc-ico {
  width: 30px; height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  flex: 0 0 auto;
}
.float-card .fc-t { font-size: 11.5px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.float-card .fc-s { font-size: 9.5px; color: var(--muted-2); }
.float-card.fc-1 { top: -22px; left: -26px; animation-delay: -1s; }
.float-card.fc-2 { bottom: -26px; right: -18px; animation-delay: -3.4s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ============================ 指标条 ============================ */
.metrics {
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  background: var(--bg-soft);
}
.metrics-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.metric {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
}
.metric:last-child { border-right: 0; }
.metric .m-num {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--ink);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.metric .m-num small { font-size: 15px; font-weight: 600; color: var(--brand); margin-left: 3px; }
.metric .m-lab { margin-top: 4px; font-size: 13.5px; color: var(--muted); }

/* ============================ 通用区块 ============================ */
.section { padding: 100px 0; }
.section-sm { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }

.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .kicker { justify-content: center; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 17px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
}
.kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.h2 { font-size: clamp(26px, 3.1vw, 40px); line-height: 1.22; text-wrap: balance; }
.split-copy .h2 { font-size: clamp(24px, 2.75vw, 35px); }
.h3 { font-size: clamp(20px, 2.1vw, 25px); }
.section-head p { margin-top: 16px; font-size: 16.5px; color: var(--muted); line-height: 1.85; text-wrap: pretty; }
.section-dark .section-head p { color: rgba(255, 255, 255, .68); }
.section-dark .kicker { color: #7394F7; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ============================ 卡片 ============================ */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .34s var(--ease), box-shadow .34s, border-color .34s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: #C7D4FD; }

.card .ico {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(29, 82, 241, .11), rgba(105, 78, 239, .11));
  color: var(--brand);
  margin-bottom: 20px;
}
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; text-wrap: pretty; }
.step p, .principle p, .compare-col li, .domain p, .svc-item p { text-wrap: pretty; }

.card-num {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: #CBD5E1;
  font-variant-numeric: tabular-nums;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand);
}
.card:hover .card-link svg { transform: translateX(4px); }
.card-link svg { transition: transform .22s var(--ease); }

/* 特性列表 */
.ticks { display: grid; gap: 11px; margin-top: 20px; }
.ticks li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-soft);
}
.ticks li::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 10.5px;
  width: 7px;
  height: 4px;
  border-left: 1.8px solid #0B7A3B;
  border-bottom: 1.8px solid #0B7A3B;
  transform: rotate(-45deg);
}
.section-dark .ticks li { color: rgba(255, 255, 255, .7); }
.section-dark .ticks li::before { background: rgba(105, 78, 239, .18); }
.section-dark .ticks li::after { border-color: #FFFFFF; }

/* ============================ 产品展示区 ============================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.rev .split-media { order: 2; }

.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-m);
  padding: 14px;
  overflow: hidden;
}
.media-inner {
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(160deg, #F8FAFC, #EEF2FE);
  border: 1px solid var(--line-2);
  min-height: 330px;
  display: grid;
  place-items: center;
  padding: 20px;
}

/* 域卡片（五域） */
.domain-list { display: grid; gap: 12px; }
.domain {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  transition: border-color .25s, background .25s, transform .25s var(--ease);
}
.domain:hover { border-color: #C7D4FD; background: #FCFDFE; transform: translateX(3px); }
.domain .d-ico {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}
.domain h4 { font-size: 15.5px; margin-bottom: 3px; }
.domain p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* 架构图 */
.arch {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #FCFDFE, #F8FAFC);
  padding: 26px;
  display: grid;
  gap: 12px;
}
.arch-layer {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}
.arch-layer .al-tag {
  flex: 0 0 84px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--brand);
}
.arch-layer .al-body { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.arch-layer .chip {
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  font-weight: 500;
  white-space: nowrap;
}
.arch-layer.hl { background: linear-gradient(135deg, #F8FAFC, #FFFFFF); border-color: #C7D4FD; }
.arch-layer.hl .chip { background: #fff; border-color: #DCE4FD; }
.arch-arrow { display: grid; place-items: center; color: #CBD5E1; height: 8px; }

/* ============================ 步骤 ============================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step {
  position: relative;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.step::before {
  counter-increment: s;
  content: "0" counter(s);
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--brand);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.step::after {
  content: "";
  position: absolute;
  top: 38px;
  right: -19px;
  width: 18px;
  height: 1px;
  background: var(--line);
}
.step:last-child::after { display: none; }

/* ============================ 时间轴 ============================ */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--brand), rgba(29, 82, 241, .12));
}
.tl-item { position: relative; padding: 0 0 34px 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(29, 82, 241, .1);
}
.tl-item .tl-stage { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand); text-transform: uppercase; }
.tl-item h4 { font-size: 17px; margin: 6px 0 6px; }
.tl-item p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ============================ CTA 深色横幅 ============================ */
.cta-wrap { padding: 20px 0 100px; }
.cta {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(760px 400px at 88% -20%, rgba(105, 78, 239, .38), transparent 62%),
    radial-gradient(560px 320px at 6% 120%, rgba(105, 78, 239, .26), transparent 60%),
    linear-gradient(135deg, #0F172A, #1E293B 62%, #1E293B);
  color: #fff;
  padding: 60px 56px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 44px;
  align-items: center;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .12) 0 1.1px, transparent 1.1px 12px);
  -webkit-mask-image: radial-gradient(ellipse 86% 76% at 72% 18%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 86% 76% at 72% 18%, #000, transparent 78%);
  pointer-events: none;
}
.cta > * { position: relative; z-index: 2; }
.cta h2 { color: #fff; font-size: clamp(25px, 3vw, 37px); line-height: 1.22; text-wrap: balance; }
.cta p { margin-top: 14px; color: rgba(255, 255, 255, .72); font-size: 15.5px; max-width: 34em; }
.cta .btn-row { margin-top: 28px; }
.cta-side {
  border-left: 1px solid rgba(255, 255, 255, .14);
  padding-left: 40px;
  display: grid;
  gap: 18px;
}
.cta-side .cs-item { display: flex; gap: 12px; align-items: flex-start; }
.cta-side .cs-ico {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  display: grid;
  place-items: center;
  color: #B9AEF7;
  flex: 0 0 auto;
}
.cta-side .cs-t { display: block; font-size: 13px; color: rgba(255, 255, 255, .55); }
.cta-side .cs-v { display: block; font-size: 15px; font-weight: 600; color: #fff; letter-spacing: .01em; margin-top: 2px; }

/* ============================ 子页首屏 ============================ */
.page-hero {
  position: relative;
  padding: 132px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 82% -30%, rgba(29, 82, 241, .13), transparent 64%),
    radial-gradient(560px 300px at 2% 0%, rgba(105, 78, 239, .1), transparent 60%),
    #fff;
  border-bottom: 1px solid var(--line-2);
}
.page-hero .wrap { position: relative; z-index: 2; }

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted-2);
  margin-bottom: 22px;
}
.crumb a:hover { color: var(--brand); }
.crumb span { color: #CBD5E1; }

.page-hero h1 {
  font-size: clamp(30px, 3.9vw, 48px);
  line-height: 1.18;
  letter-spacing: -.03em;
  max-width: 20em;
}
.page-hero .page-lead {
  margin-top: 20px;
  max-width: 46em;
  font-size: 16.5px;
  color: var(--muted);
  line-height: 1.85;
}
.page-hero .btn-row { margin-top: 30px; }

/* ============================ 联系页 ============================ */
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 40px; align-items: start; }

.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 34px;
  box-shadow: var(--shadow-s);
}
.contact-list { display: grid; gap: 4px; }
.contact-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-2);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item .ci-ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
}
.contact-item .ci-lab { font-size: 12px; letter-spacing: .1em; color: var(--muted-2); text-transform: uppercase; }
.contact-item .ci-val { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.6; }
.contact-item .ci-sub { font-size: 13px; color: var(--muted); }

.form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 36px;
  box-shadow: var(--shadow-s);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field label .req { color: #DC2626; margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #FCFDFE;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s, background .2s;
  -webkit-appearance: none;
  appearance: none;
}
.field textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.field select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8l3.5-3.5' stroke='%235C6E86' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.field input::placeholder, .field textarea::placeholder { color: #94A3B8; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: #7394F7;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(29, 82, 241, .1);
}
.field .err { font-size: 12px; color: #DC2626; display: none; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: #F7C1C1; background: #FEF2F2; }
.field.invalid .err { display: block; }

.check-row { display: flex; align-items: flex-start; gap: 9px; font-size: 12.5px; color: var(--muted); line-height: 1.7; cursor: pointer; }
.check-row input {
  width: 15px;
  height: 15px;
  min-width: 15px;
  margin: 3px 0 0;
  padding: 0;
  border-radius: 3px;
  accent-color: var(--brand);
  flex: 0 0 auto;
}

.form-note { margin-top: 14px; font-size: 12.5px; color: var(--muted-2); line-height: 1.7; }

.form-ok {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: #0B7A3B;
  font-size: 13.5px;
  font-weight: 500;
}
.form-ok.show { display: flex; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 0 22px;
  transition: border-color .25s, box-shadow .25s;
}
.faq details[open] { border-color: #C7D4FD; box-shadow: var(--shadow-s); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 19px 34px 19px 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1.8px solid var(--muted-2);
  border-bottom: 1.8px solid var(--muted-2);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); border-color: var(--brand); }
.faq .faq-body { padding: 0 0 20px; font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* 地址/园区示意 */
.loc-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #EEF2FE, #F8FAFC 55%, #EEF2FE);
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 30px;
  text-align: center;
}
.loc-card .loc-lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(72, 115, 244, .10) 0 1.1px, transparent 1.1px 12px);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 80%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 80%);
}
.loc-card .loc-inner { position: relative; z-index: 2; }
.loc-card .loc-pin {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  background: #fff;
  color: var(--brand);
  box-shadow: 0 14px 30px -14px rgba(29, 82, 241, .8);
}
.loc-card .loc-t { font-size: 16px; font-weight: 700; color: var(--ink); }
.loc-card .loc-s { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ============================ 产品矩阵 ============================ */
.product-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }

.product-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  gap: 26px;
  align-items: start;
  padding: 28px 10px;
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease);
}
.product-row:hover { background: var(--zm-neutral-50); }

.product-row .p-no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--zm-primary-700);
  padding-top: 5px;
  font-variant-numeric: tabular-nums;
}
.product-row h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 19px;
  margin-bottom: 8px;
}
.product-row .p-sub {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--zm-primary-700);
  background: var(--zm-primary-50);
  border: 1px solid var(--zm-primary-100);
  border-radius: 6px;
  padding: 2px 9px;
}
.product-row .p-alias {
  font-size: 13px;
  color: var(--muted-2);
  letter-spacing: .01em;
  margin: -2px 0 10px;
  line-height: 1.6;
}
.product-row p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.85;
  max-width: 64em;
}
.product-row .p-tag {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--zm-secondary-500);
  background: var(--zm-secondary-50);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
  margin-top: 4px;
}
.product-row .p-tag--core { color: #fff; background: var(--zm-primary-700); }

/* 首页产品条 */
.product-strip { margin-top: 0; padding-top: 0; }
.ps-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.ps-head .ps-t { font-size: 12px; font-weight: 700; letter-spacing: .16em; color: var(--zm-primary-700); text-transform: uppercase; }
.ps-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.ps-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ps-grid a {
  display: block;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  transition: transform .28s var(--ease), box-shadow .28s, border-color .28s;
}
.ps-grid a:hover { transform: translateY(-3px); box-shadow: var(--shadow-m); border-color: #C7D4FD; }
.ps-grid .n { font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--muted-2); font-variant-numeric: tabular-nums; }
.ps-grid .t { display: block; margin-top: 7px; font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.45; }
.ps-grid .s { display: block; margin-top: 4px; font-size: 11.5px; color: var(--muted-2); }

@media (max-width: 1024px) {
  .ps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .product-row { grid-template-columns: 38px minmax(0, 1fr); gap: 14px; padding: 22px 2px; }
  .product-row h3 { font-size: 17px; gap: 8px; }
  .product-row .p-tag { display: none; }
  .product-strip { margin-top: 44px; padding-top: 26px; }
  .ps-grid, .ps-grid--two { grid-template-columns: 1fr; }
}

/* ============================ 页脚 ============================ */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--darker);
  color: rgba(255, 255, 255, .62);
  padding: 72px 0 0;
  font-size: 14px;
}
.f-particles {
  position: absolute;
  right: var(--nav-pad-x);
  bottom: 108px;
  width: 132px;
  height: 64px;
  opacity: .55;
  pointer-events: none;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.f-brand .brand-name { color: #fff; }
.f-brand .brand-sub { color: rgba(255, 255, 255, .38); }
.f-brand p { margin-top: 20px; font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .52); max-width: 26em; }
.f-brand .f-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.f-brand .f-tags span {
  font-size: 11.5px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .6);
}

.f-col h5 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #fff;
  margin: 0 0 18px;
  text-transform: uppercase;
}
.f-col ul { display: grid; gap: 11px; }
.f-col a { font-size: 13.5px; color: rgba(255, 255, 255, .58); transition: color .2s; }
.f-col a:hover { color: #fff; }
.f-col .f-text { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .58); }
.f-col .f-text strong { color: #fff; font-weight: 600; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 26px 0 30px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .38);
}
.footer-bottom .fb-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-bottom a:hover { color: rgba(255, 255, 255, .8); }

/* ============================ 动画 ============================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

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

/* ============================ 响应式 ============================ */
@media (max-width: 1120px) {
  .nav-links a { padding: 9px 12px; font-size: 14px; }
  .hero-grid { gap: 44px; }
  .hero-visual { max-width: 600px; }
  .dash { transform: none; }
  .split { gap: 44px; }
  .float-card.fc-1 { left: -10px; }
  .float-card.fc-2 { right: -6px; }
}

@media (max-width: 1024px) {
  .nav-links, .nav-tel { display: none; }
  .burger { display: flex; }
  .hero { padding: 122px 0 76px; }
  .hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { max-width: 560px; }
  .float-card.fc-1 { left: -14px; top: -20px; }
  .float-card.fc-2 { right: -8px; bottom: -22px; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .metric { border-bottom: 1px solid var(--line); }
  .metric:nth-child(2n) { border-right: 0; }
  .metric:nth-last-child(-n+2) { border-bottom: 0; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.rev .split-media { order: 0; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .cta { grid-template-columns: 1fr; padding: 44px 36px; }
  .cta-side { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .14); padding-left: 0; padding-top: 28px; grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .nav-actions .btn { display: none; }
  .nav { height: 68px; }
  .mobile-panel { inset: 68px 0 0 0; }
  .section { padding: 68px 0; }
  .section-sm { padding: 52px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding: 112px 0 64px; }
  .hero::before, .page-hero::before { display: none; }
  .display { font-size: clamp(30px, 8vw, 38px); }
  .lead { font-size: 15.5px; }
  .hero .btn-row .btn { flex: 1 1 100%; }
  .hero-notes { gap: 10px 18px; }
  .float-card { display: none; }
  .dash-body { grid-template-columns: 1fr; }
  .dash-side { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .metrics-inner { grid-template-columns: 1fr 1fr; }
  .metric { padding: 22px 18px; }
  .metric .m-num { font-size: 24px; }
  .metric .m-lab { font-size: 12.5px; }
  .cta { padding: 34px 24px; border-radius: 22px; }
  .cta-side { grid-template-columns: 1fr; gap: 16px; }
  .cta .btn-row .btn { flex: 1 1 100%; }
  .cta-wrap { padding: 8px 0 68px; }
  .page-hero { padding: 112px 0 48px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card, .contact-card { padding: 24px 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding-bottom: 40px; }
  .site-footer { padding-top: 52px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .arch-layer .al-tag { flex: 1 0 100%; }
  .timeline { padding-left: 20px; }
  .tl-item { padding-left: 20px; }
  .tl-item::before { left: -20px; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 14.5px; }
  .brand-sub { display: none; }
}