/*
 * 达迈佳官网首页样式
 * 设计说明：indexPage/design-system/default/MASTER.md
 * 语言：企业软件产品站 —— 白底 + 品牌蓝渐变 + 圆角卡片与界面示意，强调色只用在关键位置。
 */

/* ---------------------------------- 令牌 ---------------------------------- */
:root {
  /* 品牌色（来自 fangce-brand 图形标） */
  --brand: #0f6ff5;
  --brand-strong: #0b54c9;
  --brand-soft: #e8efff;
  --cyan: #12b4e8;
  --cyan-soft: #e2f6fe;
  --amber: #ffb020;
  --amber-strong: #b76a00;
  --amber-soft: #fff4dd;
  --grad: linear-gradient(120deg, #0f6ff5 0%, #12b4e8 100%);
  --grad-soft: linear-gradient(120deg, rgba(15, 111, 245, 0.08), rgba(18, 180, 232, 0.1));

  /* 文字与底色 */
  --ink: #0b1b33;
  --text: #38465f;
  --muted: #6d7c95;
  --bg: #ffffff;
  --bg-soft: #f5f8ff;
  --bg-soft-2: #eef4ff;
  --line: #e3eaf7;
  --line-strong: #cfdcf3;

  /* 状态色 */
  --ok: #0f9d58;
  --ok-soft: #e6f6ee;
  --warn: #d97706;
  --warn-soft: #fef3e2;
  --danger: #c8372b;
  --danger-soft: #fdeceb;

  /* 深色区 */
  --dark: #0b1b33;
  --on-dark: #eaf1fb;
  --on-dark-mut: #9fb0c9;

  /* 字体：不引用外部字体，中文按系统字体栈回退 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC",
    "MiSans", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* 尺寸与节奏 */
  --container: 1200px;
  --gutter: clamp(18px, 4vw, 32px);
  --sec-pad: clamp(64px, 7.5vw, 112px);
  --r-xs: 8px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --shadow-1: 0 1px 2px rgba(11, 27, 51, 0.05), 0 8px 22px rgba(11, 27, 51, 0.05);
  --shadow-2: 0 12px 32px rgba(11, 27, 51, 0.1), 0 2px 6px rgba(11, 27, 51, 0.05);
  --shadow-3: 0 28px 60px rgba(11, 27, 51, 0.16);
  --shadow-brand: 0 10px 24px rgba(15, 111, 245, 0.26);
  /* 折叠导航面板的悬停浮层（只用于桌面端 mega / 二级下拉） */
  --shadow-menu: 0 24px 60px rgba(11, 27, 51, 0.14), 0 2px 8px rgba(11, 27, 51, 0.06);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------------------------- 基础 ---------------------------------- */
*,
*::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: clamp(1rem, 0.97rem + 0.12vw, 1.0625rem);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }
body.nav-open::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(11, 27, 51, 0.42);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--brand-strong); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  line-height: 1.22;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
table { border-collapse: collapse; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}
.cta :focus-visible,
.site-footer :focus-visible { outline-color: var(--amber); }

::selection { background: rgba(18, 180, 232, 0.28); }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: 880px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---------------------------------- 通用组件 ---------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn .icon { width: 1em; height: 1em; }

.btn--solid {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--solid:hover { box-shadow: 0 14px 30px rgba(15, 111, 245, 0.34); filter: saturate(1.06); }

.btn--line {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
  box-shadow: var(--shadow-1);
}
.btn--line:hover { border-color: var(--brand); color: var(--brand-strong); }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--brand-soft); color: var(--brand-strong); }

.btn--lg { padding: 14px 26px; font-size: 1rem; }
.btn--block { width: 100%; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--brand-strong);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.5;
}
.pill--brand { background: rgba(15, 111, 245, 0.1); }
.pill__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--brand-strong);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.eyebrow--on-dark { color: #9ec6ff; }

.hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section { padding: var(--sec-pad) 0; }
.section--soft {
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(15, 111, 245, 0.07), transparent 62%),
    radial-gradient(760px 380px at 92% 60%, rgba(18, 180, 232, 0.09), transparent 60%),
    var(--bg-soft);
}

.sec-head { max-width: 720px; }
.sec-head--center { margin: 0 auto; text-align: center; }
.sec-title { font-size: clamp(1.6rem, 1.15rem + 1.7vw, 2.5rem); font-weight: 800; }
.sec-lead { margin-top: 16px; color: var(--muted); font-size: 1.0625rem; }

.sec-foot {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9375rem;
}
.sec-foot a { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }

/* ---------------------------------- 顶部信息条 ---------------------------------- */
.topbar {
  background: linear-gradient(90deg, #0b1b33 0%, #123fb0 58%, #0f7fd0 100%);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.8125rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  padding-top: 6px;
  padding-bottom: 6px;
}
.topbar__note { display: flex; align-items: center; gap: 10px; }
.topbar__badge {
  padding: 1px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.topbar__links { display: flex; align-items: center; gap: 18px; }
.topbar__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-weight: 600;
}
.topbar__links a:hover { color: #cfe6ff; text-decoration: none; }

/* ---------------------------------- 页头 ---------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 10px 26px rgba(11, 27, 51, 0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 74px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand__mark { width: 45px; height: 40px; }   /* 图形标 395×348，按高度定尺寸 */
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 1.125rem; font-weight: 800; letter-spacing: 0.02em; }
.brand__text em { color: var(--muted); font-size: 0.5625rem; font-style: normal; letter-spacing: 0.14em; }
.brand--dark .brand__text strong { color: #fff; }
.brand--dark .brand__text em { color: var(--on-dark-mut); }

.site-nav { display: flex; align-items: center; margin-left: auto; }
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-menu__item { position: relative; }
.nav-menu__link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.nav-menu__link:hover,
.nav-menu__item:focus-within > .nav-menu__link { background: var(--brand-soft); color: var(--brand-strong); text-decoration: none; }
.nav-menu__caret { width: 14px; height: 14px; color: var(--muted); transition: transform 0.25s var(--ease); }
.nav-menu__item:hover .nav-menu__caret,
.nav-menu__item:focus-within .nav-menu__caret { transform: rotate(180deg); color: var(--brand-strong); }

.mega {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  z-index: 65;
  display: none;
  width: max-content;
  max-width: min(720px, calc(100vw - 48px));
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-menu);
  transform: translateX(-50%);
}
.nav-menu__item:hover > .mega,
.nav-menu__item:focus-within > .mega { display: block; animation: megain 0.18s var(--ease); }
@keyframes megain {
  from { opacity: 0; transform: translate(-50%, 6px); }
}
.mega--wide { width: 660px; }
.mega__cols { display: grid; gap: 4px 8px; }
.mega--wide .mega__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mega__link { display: block; padding: 10px 12px; border-radius: var(--r-sm); }
.mega__link:hover { background: var(--bg-soft); text-decoration: none; }
.mega__link strong { display: block; color: var(--ink); font-size: 0.9375rem; font-weight: 600; }
.mega__link span { display: block; margin-top: 3px; color: var(--muted); font-size: 0.8125rem; line-height: 1.5; }
.mega__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  padding: 14px 12px 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}
.mega__foot a { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; }
.mega__more { display: none; }

.site-nav__actions { display: flex; align-items: center; gap: 10px; margin-left: 12px; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
}
.nav-toggle .icon { width: 20px; height: 20px; }
.nav-toggle__close { display: none; }

/* ---------------------------------- 首屏 ---------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 5.5vw, 88px);
  background: #fff;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(8px); }
.hero__blob--1 {
  top: -180px;
  right: -120px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle at 40% 40%, rgba(15, 111, 245, 0.18), rgba(15, 111, 245, 0) 68%);
}
.hero__blob--2 {
  top: 120px;
  left: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 50% 50%, rgba(18, 180, 232, 0.16), rgba(18, 180, 232, 0) 70%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(11, 27, 51, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 27, 51, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(760px 420px at 30% 20%, #000 0%, transparent 78%);
  mask-image: radial-gradient(760px 420px at 30% 20%, #000 0%, transparent 78%);
}

.hero__grid-wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(32px, 4.6vw, 60px);
}

.hero__copy .pill { margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(2.25rem, 1.2rem + 3.4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.14;
  text-wrap: nowrap;
}
.hero__line { display: block; text-wrap: nowrap; }
.hero__lead {
  max-width: 34em;
  margin-top: 22px;
  color: var(--text);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__checks { margin-top: 26px; display: grid; gap: 9px; }
.hero__checks li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 0.9375rem;
}
.hero__checks .icon { width: 17px; height: 17px; margin-top: 4px; color: var(--brand); stroke-width: 2.2; }

.hero__visual { position: relative; }
.hero__note { margin-top: 12px; color: var(--muted); font-size: 0.75rem; text-align: right; }

/* 首屏产品窗口：下沿渐隐，做出「产品截图出场」的纵深感 */
.hero .ui--hero {
  -webkit-mask-image: linear-gradient(180deg, #000 74%, rgba(0, 0, 0, 0) 100%);
  mask-image: linear-gradient(180deg, #000 74%, rgba(0, 0, 0, 0) 100%);
}

.hero__float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--shadow-2);
  animation: floaty 7s ease-in-out infinite;
}
.hero__float .icon { width: 22px; height: 22px; color: var(--brand); }
.hero__float strong { display: block; color: var(--ink); font-size: 0.875rem; line-height: 1.4; }
.hero__float span { display: block; color: var(--muted); font-size: 0.75rem; line-height: 1.4; }
.hero__float--a { bottom: -24px; left: -34px; }
.hero__float--b { top: -22px; right: -34px; animation-delay: 1.6s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 界面示意（hero 里的产品窗口） */
.ui {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-3);
}
.ui__chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff, #f4f8ff);
}
.ui__dot { width: 9px; height: 9px; border-radius: 50%; background: #e2e9f6; }
.ui__dot:nth-child(1) { background: #ffd9d4; }
.ui__dot:nth-child(2) { background: #ffe9c4; }
.ui__dot:nth-child(3) { background: #d5f2dd; }
.ui__url {
  margin-left: 10px;
  padding: 3px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.ui__body { display: grid; grid-template-columns: 132px minmax(0, 1fr); }
.ui__side { padding: 14px 10px; border-right: 1px solid var(--line); background: #f8fbff; }
.ui__brand {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 6px 12px;
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 700;
}
.ui__brand img { width: 21px; height: 18px; }
.ui__side li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: var(--r-xs);
  color: var(--muted);
  font-size: 0.8125rem;
}
.ui__side li .icon { width: 15px; height: 15px; }
.ui__side li.is-active { background: rgba(15, 111, 245, 0.1); color: var(--brand-strong); font-weight: 600; }

.ui__main { padding: 16px; display: grid; gap: 12px; align-content: start; }
.ui__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ui__title { color: var(--ink); font-size: 0.9375rem; font-weight: 700; }
.ui__sub { color: var(--muted); font-size: 0.75rem; }

.ui-pill {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
}
.ui-pill--brand { background: rgba(15, 111, 245, 0.1); color: var(--brand-strong); }

.ui-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ui-kpi {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  box-shadow: 0 1px 2px rgba(11, 27, 51, 0.04);
}
.ui-kpi span { display: block; color: var(--muted); font-size: 0.6875rem; }
.ui-kpi strong { display: block; margin-top: 2px; color: var(--ink); font-size: 1.0625rem; letter-spacing: -0.01em; }
.ui-kpi em { display: block; margin-top: 2px; color: var(--muted); font-size: 0.6875rem; font-style: normal; }
.ui-kpi em.up { color: var(--ok); }
.ui-kpi em.warn { color: var(--warn); }

.ui-chart { padding: 12px 14px 6px; border: 1px solid var(--line); border-radius: var(--r-sm); background: #fff; }
.ui-chart__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; color: var(--ink); font-size: 0.8125rem; font-weight: 600; }
.ui-chart svg { width: 100%; height: 74px; }
.ui-chart__bars rect { fill: #dbe7ff; }
.ui-chart__bars rect.is-hi { fill: #9dc0ff; }
.ui-chart__line { fill: none; stroke: var(--brand); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.ui-rows { display: grid; gap: 6px; }
.ui-rows li {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: #fff;
}
.ui-rows__no { color: var(--muted); font-family: var(--font-mono); font-size: 0.6875rem; }
.ui-rows__name { color: var(--ink); font-size: 0.8125rem; }
.ui-tag {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
}
.ui-tag--ok { background: var(--ok-soft); color: var(--ok); }
.ui-tag--wait { background: var(--warn-soft); color: var(--warn); }
.ui-tag--run { background: rgba(15, 111, 245, 0.1); color: var(--brand-strong); }

/* ---------------------------------- 适用场景条 ---------------------------------- */
.trust {
  position: relative;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 22px;
  padding-bottom: 26px;
  border-top: 1px solid var(--line);
}
.trust__label { color: var(--muted); font-size: 0.8125rem; letter-spacing: 0.08em; }
.trust__row { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.trust__list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  scroll-behavior: smooth;
}
.trust__list::-webkit-scrollbar { display: none; }
.trust__list li {
  flex: none;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 0.875rem;
  box-shadow: 0 1px 2px rgba(11, 27, 51, 0.03);
}
.trust__arrow {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.trust__row.is-scrollable .trust__arrow { display: inline-flex; }
.trust__arrow:hover { color: var(--brand); border-color: var(--brand); box-shadow: var(--shadow-1); }
.trust__arrow .icon { transform: rotate(90deg); }
.trust__arrow--next .icon { transform: rotate(-90deg); }

/* ---------------------------------- 数据带 ---------------------------------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.stats__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 36px 26px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat strong {
  display: inline-block;
  font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__unit { margin-left: 8px; color: var(--ink); font-size: 0.9375rem; font-weight: 700; }
.stat p { margin-top: 6px; color: var(--muted); font-size: 0.875rem; }

/* ---------------------------------- 功能模块卡片 ---------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(36px, 4vw, 56px);
}
.card {
  position: relative;
  padding: 26px 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); border-color: var(--line-strong); }
.card h3 { margin-top: 18px; font-size: 1.1875rem; font-weight: 700; }
.card p { margin-top: 10px; color: var(--muted); font-size: 0.9375rem; }

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: var(--grad-soft);
  color: var(--brand);
}
.card__icon .icon { width: 23px; height: 23px; }
.card__icon--blue { background: rgba(15, 111, 245, 0.1); color: var(--brand-strong); }
.card__icon--cyan { background: rgba(18, 180, 232, 0.12); color: #0891c4; }
.card__icon--indigo { background: rgba(79, 70, 229, 0.1); color: #4f46e5; }
.card__icon--teal { background: rgba(13, 148, 136, 0.11); color: #0d9488; }
.card__icon--amber { background: rgba(255, 176, 32, 0.16); color: #b76a00; }
.card__icon--violet { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }
.card__icon--sky { background: rgba(2, 132, 199, 0.11); color: #0284c7; }
.card__icon--green { background: rgba(15, 157, 88, 0.11); color: #0f9d58; }
.card__icon--rose { background: rgba(225, 29, 72, 0.1); color: #be123c; }

.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.card__tags span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.75rem;
}

/* ---------------------------------- 场景切换 ---------------------------------- */
.tabs { margin-top: clamp(30px, 4vw, 46px); }
.tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  margin: 0 auto 26px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-1);
}
.tab {
  padding: 9px 22px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.tab:hover { color: var(--brand-strong); }
.tab.is-active { background: var(--grad); color: #fff; box-shadow: var(--shadow-brand); }

.panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(26px, 4vw, 56px);
  padding: clamp(24px, 3vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow-2);
}
.panel[hidden] { display: none; }
.panel__list { display: grid; gap: 8px; }
.panel__list li {
  display: flex;
  gap: 14px;
  padding: 16px;
  border-radius: var(--r-md);
  transition: background-color 0.2s var(--ease);
}
.panel__list li:hover { background: var(--bg-soft); }
.panel__list h3 { font-size: 1.0625rem; font-weight: 700; }
.panel__list p { margin-top: 5px; color: var(--muted); font-size: 0.9375rem; }
.panel__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.panel__ico .icon { width: 19px; height: 19px; }

/* 界面示意（小窗口） */
.ui--mini { border-radius: var(--r-md); box-shadow: var(--shadow-2); }
.ui--mini .ui__chrome { padding: 8px 12px; }
.ui--mini .ui__url { font-size: 0.6875rem; }

.ui-doc, .ui-pick, .ui-asset { padding: 18px; display: grid; gap: 14px; }
.ui-doc__head, .ui-pick__head, .ui-asset__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.ui-doc__title { color: var(--ink); font-size: 0.9375rem; font-weight: 700; }
.ui-doc__sub { margin-top: 2px; color: var(--muted); font-size: 0.75rem; }

.ui-table { width: 100%; font-size: 0.8125rem; }
.ui-table th, .ui-table td { padding: 8px 4px; text-align: left; border-bottom: 1px solid var(--line); }
.ui-table th { color: var(--muted); font-weight: 500; font-size: 0.75rem; }
.ui-table td { color: var(--ink); }
.ui-table td:nth-child(2), .ui-table td:nth-child(3), .ui-table th:nth-child(2), .ui-table th:nth-child(3) { text-align: right; }
.ui-doc__sum {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.8125rem;
}
.ui-doc__sum strong { color: var(--ink); font-size: 1.0625rem; }

.ui-steps { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--muted); }
.ui-steps li { position: relative; display: flex; align-items: center; gap: 6px; flex: 1; }
.ui-steps li::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  background: #fff;
}
.ui-steps li:not(:last-child)::after {
  content: "";
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: var(--line);
}
.ui-steps li.is-done { color: var(--brand-strong); }
.ui-steps li.is-done::before { border-color: var(--brand); background: var(--brand); }
.ui-steps li.is-done::after { background: rgba(15, 111, 245, 0.4); }
.ui-steps li.is-doing { color: var(--ink); font-weight: 600; }
.ui-steps li.is-doing::before { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(15, 111, 245, 0.14); }

.ui-pick__scan {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px dashed rgba(15, 111, 245, 0.45);
  border-radius: var(--r-sm);
  background: rgba(15, 111, 245, 0.04);
  color: var(--brand-strong);
  font-size: 0.8125rem;
}
.ui-pick__scan .icon { width: 18px; height: 18px; }
.ui-pick__ok { margin-left: auto; font-weight: 700; }
.ui-pick__rows { display: grid; gap: 8px; }
.ui-pick__rows li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  font-size: 0.8125rem;
  color: var(--ink);
}
.ui-pick__rows li.is-next { border-color: rgba(15, 111, 245, 0.4); background: rgba(15, 111, 245, 0.04); }
.ui-pick__rows .icon { width: 17px; height: 17px; color: var(--ok); margin-left: auto; }
.ui-pick__box { width: 14px; height: 14px; flex: none; border: 1.5px solid var(--line-strong); border-radius: 4px; background: #fff; }
.ui-pick__qty { margin-left: auto; color: var(--muted); font-family: var(--font-mono); font-size: 0.75rem; }
.ui-pick__rows li.is-next .ui-pick__qty { margin-left: auto; }
.ui-pick__bar { height: 8px; border-radius: 999px; background: var(--bg-soft-2); overflow: hidden; }
.ui-pick__bar span { display: block; height: 100%; border-radius: 999px; background: var(--grad); }

.ui-asset__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ui-asset__cell { padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); background: #fff; }
.ui-asset__cell span { display: block; color: var(--muted); font-size: 0.6875rem; }
.ui-asset__cell strong { display: block; margin-top: 2px; color: var(--ink); font-size: 0.9375rem; }
.ui-asset__curve { width: 100%; height: 68px; }
.ui-asset__area { fill: rgba(15, 111, 245, 0.1); }
.ui-asset__stroke { fill: none; stroke: var(--brand); stroke-width: 2.4; stroke-linecap: round; }
.ui-timeline { display: grid; gap: 8px; font-size: 0.8125rem; color: var(--muted); }
.ui-timeline li { display: flex; gap: 10px; align-items: baseline; }
.ui-timeline li span { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--muted); }
.ui-timeline li.is-done { color: var(--ink); }
.ui-timeline li.is-done span { color: var(--ok); }

/* ---------------------------------- 按需定制与 PDA 扫码 ---------------------------------- */
.custom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  align-items: center;
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(24px, 3vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.sec-head + .custom { margin-top: clamp(34px, 4vw, 52px); }
.custom + .custom { margin-top: 20px; }

.custom__tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(15, 111, 245, 0.09);
  color: var(--brand-strong);
  font-size: 0.8125rem;
  font-weight: 700;
}
.custom__tag .icon { width: 15px; height: 15px; }
.custom__copy h3 { margin-top: 16px; font-size: clamp(1.25rem, 1.06rem + 0.7vw, 1.5rem); font-weight: 800; }
.custom__lead { margin-top: 12px; color: var(--muted); font-size: 0.9375rem; }

.custom__list { display: grid; gap: 2px; margin-top: 16px; }
.custom__list li {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  transition: background-color 0.2s var(--ease);
}
.custom__list li:hover { background: var(--bg-soft); }
.custom__list h4 { font-size: 0.9375rem; font-weight: 700; }
.custom__list p { margin-top: 3px; color: var(--muted); font-size: 0.875rem; }
.custom__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--grad-soft);
  color: var(--brand-strong);
}
.custom__ico .icon { width: 17px; height: 17px; }

.custom__foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}
.custom__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.custom__tags span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--brand-strong);
  font-size: 0.75rem;
}
.custom__viz { min-width: 0; }
.custom__note { margin-top: 10px; color: var(--muted); font-size: 0.75rem; text-align: center; }

/* 流程编排示意 */
.flow { padding: 14px; display: grid; gap: 12px; }
.flow__bar { display: flex; align-items: center; gap: 6px; }
.flow__chip {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
}
.flow__chip--add { border-color: rgba(15, 111, 245, 0.42); background: rgba(15, 111, 245, 0.07); color: var(--brand-strong); }
.flow__drag { margin-left: auto; color: var(--muted); font-size: 0.6875rem; }
.flow__canvas {
  display: grid;
  gap: 12px;
  padding: 16px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.flow__chain { display: flex; align-items: center; gap: 6px; }
.flow__node {
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: #fff;
  color: var(--ink);
  font-size: 0.75rem;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(11, 27, 51, 0.04);
}
.flow__node--cond { border-style: dashed; border-color: rgba(15, 111, 245, 0.5); background: rgba(15, 111, 245, 0.06); color: var(--brand-strong); font-weight: 600; }
.flow__node--alt { border-color: rgba(255, 176, 32, 0.62); background: rgba(255, 176, 32, 0.14); color: var(--amber-strong); }
.flow__node--scan { border-color: rgba(15, 111, 245, 0.4); background: var(--brand-soft); color: var(--brand-strong); font-weight: 600; }
.flow__arrow { position: relative; flex: 1; min-width: 12px; height: 2px; border-radius: 2px; background: var(--line-strong); }
.flow__arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  border-left: 5px solid var(--line-strong);
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
  transform: translateY(-50%);
}
.flow__branch { display: flex; align-items: center; gap: 8px; padding-left: 6px; }
.flow__no {
  padding: 2px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
}
.flow__elbow {
  width: 16px;
  height: 13px;
  border-left: 2px dashed var(--line-strong);
  border-bottom: 2px dashed var(--line-strong);
  border-bottom-left-radius: 9px;
}
.flow__join, .flow__hint { color: var(--muted); font-size: 0.6875rem; }
.flow__chain--tail .flow__hint { margin-left: auto; }

/* PDA 手持终端示意 */
.pda { position: relative; display: grid; justify-items: center; }
.pda__device {
  position: relative;
  width: min(244px, 74%);
  padding: 18px 13px 12px;
  border-radius: 24px;
  background: linear-gradient(180deg, #1b2c49, #0b1b33 62%);
  box-shadow: var(--shadow-3);
}
.pda__lens {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 52px;
  height: 7px;
  border-radius: 999px;
  background: #081120;
  transform: translateX(-50%);
}
.pda__lens::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ff5f52;
  box-shadow: 0 0 6px rgba(255, 95, 82, 0.9);
  transform: translateY(-50%);
}
.pda__screen { display: grid; gap: 10px; padding: 12px; border-radius: var(--r-md); background: #fff; }
.pda__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--ink); font-size: 0.8125rem; font-weight: 700; }
.pda__code { color: var(--muted); font-family: var(--font-mono); font-size: 0.6875rem; }
.pda__scan {
  position: relative;
  overflow: hidden;
  display: grid;
  justify-items: center;
  gap: 5px;
  padding: 14px 10px;
  border: 1px dashed rgba(15, 111, 245, 0.45);
  border-radius: var(--r-sm);
  background: rgba(15, 111, 245, 0.05);
  color: var(--brand-strong);
  font-size: 0.6875rem;
}
.pda__beam {
  position: absolute;
  top: 10px;
  left: 10%;
  right: 10%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(15, 111, 245, 0.8), transparent);
  animation: beam 2.6s var(--ease) infinite;
}
@keyframes beam {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(30px); opacity: 1; }
}
.pda__scan .icon { width: 20px; height: 20px; }
.pda__rows { display: grid; gap: 6px; color: var(--ink); font-size: 0.75rem; }
.pda__rows li { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border: 1px solid var(--line); border-radius: var(--r-xs); }
.pda__rows li.is-next { border-color: rgba(15, 111, 245, 0.4); background: rgba(15, 111, 245, 0.05); }
.pda__rows .icon { width: 15px; height: 15px; flex: none; color: var(--ok); }
.pda__rows b { margin-left: auto; color: var(--muted); font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 600; }
.pda__dot { width: 13px; height: 13px; flex: none; border: 1.5px solid var(--line-strong); border-radius: 4px; }
.pda__meta { color: var(--muted); font-size: 0.6875rem; }
.pda__keys { display: flex; gap: 6px; margin-top: 11px; }
.pda__keys span { flex: 1; height: 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.14); }
.pda__keys span:nth-child(2) { flex: 2.4; }
.pda__float {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 168px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--shadow-2);
  animation: floaty 7s ease-in-out infinite;
}
.pda__float strong { color: var(--ink); font-size: 0.8125rem; line-height: 1.4; }
.pda__float span { color: var(--muted); font-size: 0.75rem; line-height: 1.4; }
.pda__float--a { top: 15%; left: 0; }
.pda__float--b { bottom: 9%; right: 0; animation-delay: 1.6s; }
.pda__devices { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 26px; }
.pda__devices span {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.75rem;
}

/* 效率对照与定制深度（数据块） */
.gains, .depth {
  margin-top: 20px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.data-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 20px; }
.data-head h3 { font-size: 1.125rem; font-weight: 800; }
.data-head h3 .num {
  margin: 0 2px;
  font-size: 1.6em;
  font-weight: 800;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.data-head p { flex: 1 1 320px; color: var(--muted); font-size: 0.875rem; }
.gains__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.gain { padding: 16px; border-radius: var(--r-md); background: var(--bg-soft); }
.gain__label { color: var(--ink); font-size: 0.8125rem; font-weight: 700; }
.gain__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.75rem;
}
.gain__row b { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.gain__row.is-hi { color: var(--brand-strong); font-weight: 600; }
.gain__row.is-hi b { color: var(--brand-strong); }
.gain__track { height: 7px; border-radius: 999px; background: #fff; overflow: hidden; }
.gain__track i { display: block; height: 100%; width: var(--w, 100%); border-radius: 999px; background: var(--line-strong); }
.gain__row.is-hi .gain__track i { background: var(--grad); }
.gain__cut {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  color: var(--ok);
  font-size: 0.8125rem;
  font-weight: 700;
}
.gains__note { margin-top: 16px; color: var(--muted); font-size: 0.75rem; }

.depth__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.depth__item { padding: 16px; border: 1px solid var(--line); border-radius: var(--r-md); }
.depth__item strong {
  display: block;
  font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.depth__item span { display: block; margin-top: 4px; color: var(--ink); font-size: 0.875rem; font-weight: 700; }
.depth__item p { margin-top: 4px; color: var(--muted); font-size: 0.8125rem; }

/* ---------------------------------- 应用场景 ---------------------------------- */
.scenes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(36px, 4vw, 56px);
}
.scene {
  display: flex;
  flex-direction: column;
  padding: 28px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.scene:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); border-color: var(--line-strong); }
.scene__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--r-md);
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.scene__ico .icon { width: 24px; height: 24px; }
.scene__body h3 { margin-top: 20px; font-size: 1.25rem; font-weight: 800; }
.scene__body p { margin-top: 9px; color: var(--muted); font-size: 0.9375rem; }
.scene__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.scene__tags span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--brand-strong);
  font-size: 0.75rem;
}
.scene__modules {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 20px;
  color: var(--muted);
  font-size: 0.8125rem;
}
.scene__modules .icon { width: 0.95em; height: 0.95em; transition: transform 0.25s var(--ease); }
.scene:hover .scene__modules .icon { transform: translateX(3px); }
.scene__modules a { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }

/* ---------------------------------- 平台能力（墨蓝区块） ---------------------------------- */
.capability {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4vw, 56px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(620px 340px at 90% 4%, rgba(18, 180, 232, 0.34), transparent 64%),
    radial-gradient(520px 320px at 4% 98%, rgba(15, 111, 245, 0.42), transparent 62%),
    linear-gradient(135deg, #0b1b33 0%, #10327f 60%, #0c5fb4 100%);
  box-shadow: var(--shadow-3);
}
.capability__head { max-width: 760px; margin: 0 auto; text-align: center; }
.capability__head .sec-title { color: #fff; }
.capability__head .sec-lead { margin-top: 16px; color: #c9d8ee; }
.capability__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(28px, 3.5vw, 44px);
}
.cap-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  border: 1px solid rgba(234, 241, 251, 0.16);
  border-radius: var(--r-lg);
  background: #fff;
}
.cap-card__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  align-self: flex-start;
  border-radius: var(--r-sm);
  background: rgba(15, 111, 245, 0.1);
  color: var(--brand);
}
.cap-card__ico .icon { width: 20px; height: 20px; }
.cap-card h3 { margin-top: 16px; font-size: 1.0625rem; font-weight: 700; }
.cap-card p { margin-top: 8px; color: var(--muted); font-size: 0.875rem; }

/* 能力卡里的微型界面示意（只表达一件事） */
.cap-ui {
  margin-top: 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.cap-ui__row { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--ink); }
.cap-ui__row + .cap-ui__row { margin-top: 6px; }
.cap-ui__tag {
  flex: none;
  padding: 2px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.6875rem;
}
.cap-ui__field {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15, 111, 245, 0.34), rgba(15, 111, 245, 0.1));
}
.cap-ui__flows { display: flex; align-items: center; gap: 6px; font-size: 0.6875rem; }
.cap-ui__node {
  padding: 5px 9px;
  border-radius: var(--r-xs);
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  white-space: nowrap;
}
.cap-ui__node.is-doing { border-color: rgba(15, 111, 245, 0.4); background: rgba(15, 111, 245, 0.08); color: var(--brand-strong); font-weight: 600; }
.cap-ui__link { flex: 1; min-width: 10px; height: 2px; border-radius: 2px; background: var(--line-strong); }
.cap-ui__bars { display: flex; align-items: flex-end; gap: 6px; height: 58px; }
.cap-ui__bars span { flex: 1; border-radius: 4px 4px 2px 2px; background: #dbe7ff; }
.cap-ui__bars span.is-hi { background: linear-gradient(180deg, var(--brand), var(--cyan)); }
.cap-ui__legend { display: flex; justify-content: space-between; margin-top: 8px; color: var(--muted); font-size: 0.6875rem; }
.cap-ui__matrix { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 6px; align-items: center; }
.cap-ui__matrix span { font-size: 0.6875rem; color: var(--muted); text-align: center; }
.cap-ui__matrix span:first-child { text-align: left; }
.cap-ui__dot { width: 14px; height: 14px; margin: 0 auto; border-radius: 50%; background: var(--bg-soft-2); }
.cap-ui__dot.is-on { background: var(--grad); }

/* ---------------------------------- 部署方式 ---------------------------------- */
.deploy { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: clamp(34px, 4vw, 52px); }
.deploy__card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.deploy__card--cloud {
  border-color: rgba(15, 111, 245, 0.28);
  background: linear-gradient(180deg, rgba(15, 111, 245, 0.06), rgba(18, 180, 232, 0.04) 46%, #fff);
  box-shadow: var(--shadow-2);
}
.deploy__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.deploy__card h3 { margin-top: 20px; font-size: 1.375rem; font-weight: 800; }
.deploy__card > p { margin-top: 10px; color: var(--muted); font-size: 0.9375rem; }
.deploy__card .btn { align-self: flex-start; margin-top: 24px; }

.ticks { display: grid; gap: 10px; margin-top: 20px; }
.ticks li { display: flex; align-items: flex-start; gap: 10px; color: var(--text); font-size: 0.9375rem; }
.ticks li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  flex: none;
  border-radius: 50%;
  background: rgba(15, 111, 245, 0.1);
  color: var(--brand-strong);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
}

.assurance {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(28px, 3vw, 40px);
}
.assurance li {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.assurance .icon { width: 22px; height: 22px; color: var(--brand); }
.assurance strong { display: block; margin-top: 12px; color: var(--ink); font-size: 1rem; }
.assurance span { display: block; margin-top: 6px; color: var(--muted); font-size: 0.875rem; }

/* ---------------------------------- 服务与支持 ---------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(36px, 4vw, 56px);
}
.step {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.step__no {
  display: inline-block;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.step h3 { margin-top: 12px; font-size: 1.125rem; font-weight: 700; }
.step p { margin-top: 8px; color: var(--muted); font-size: 0.9375rem; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -18px;
  width: 12px;
  height: 12px;
  border-top: 2px dashed var(--line-strong);
  border-right: 2px dashed var(--line-strong);
  transform: rotate(45deg);
}

.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 24px; }
.service {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(15, 111, 245, 0.04), #fff 42%);
}
.service__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  color: var(--brand);
  box-shadow: var(--shadow-1);
}
.service__ico .icon { width: 22px; height: 22px; }
.service h3 { margin-top: 18px; font-size: 1.0625rem; font-weight: 700; }
.service p { margin-top: 8px; color: var(--muted); font-size: 0.9375rem; }

/* ---------------------------------- 常见问题 ---------------------------------- */
.faq { display: grid; gap: 12px; margin-top: clamp(30px, 4vw, 44px); }
.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  color: var(--ink);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-soft-2);
  color: var(--brand-strong);
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}
.faq__item[open] summary::after { content: "–"; background: rgba(15, 111, 245, 0.12); }
.faq__item summary:hover { color: var(--brand-strong); }
.faq__item p { padding: 0 22px 20px; color: var(--muted); font-size: 0.9375rem; }

/* ---------------------------------- 关于我们 ---------------------------------- */
.about { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.about__copy .sec-title { margin-bottom: 18px; }
.about__copy > p:not(.eyebrow) { color: var(--muted); font-size: 0.9688rem; }
.about__copy > p + p { margin-top: 12px; }

.facts { margin-top: 24px; border-top: 1px solid var(--line); }
.facts__row {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.facts__row dt { color: var(--muted); font-size: 0.875rem; }
.facts__row dd { margin: 0; display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 0.9375rem; }
.facts__row dd a { color: var(--brand-strong); }

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.copy-btn .icon { width: 14px; height: 14px; }
.copy-btn:hover { color: var(--brand); border-color: var(--brand); }
.copy-btn.is-done { color: #fff; border-color: var(--ok); background: var(--ok); }

.about__figure {
  overflow: hidden;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-2);
}
.about__figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about__figure figcaption { padding: 14px 18px; color: var(--muted); font-size: 0.8125rem; border-top: 1px solid var(--line); }

/* ---------------------------------- 预约演示 ---------------------------------- */
.section--cta { padding: var(--sec-pad) 0; }
.cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 4vw, 60px);
  padding: clamp(30px, 4vw, 60px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(560px 320px at 88% 8%, rgba(18, 180, 232, 0.42), transparent 62%),
    radial-gradient(480px 300px at 6% 96%, rgba(15, 111, 245, 0.5), transparent 60%),
    linear-gradient(135deg, #0b1b33 0%, #10327f 58%, #0c5fb4 100%);
  color: var(--on-dark);
  box-shadow: var(--shadow-3);
}
.cta__copy .sec-title { color: #fff; }
.cta__lead { margin-top: 16px; color: #c9d8ee; }
.cta__list { display: grid; gap: 10px; margin-top: 22px; }
.cta__list li { display: flex; align-items: flex-start; gap: 10px; color: #e4ecf9; font-size: 0.9375rem; }
.cta__list .icon { width: 17px; height: 17px; margin-top: 4px; color: var(--amber); stroke-width: 2.4; }
.cta__phone { margin-top: 26px; color: #c9d8ee; font-size: 1rem; }
.cta__phone a { color: #fff; font-size: 1.375rem; font-weight: 800; letter-spacing: 0.01em; }
.cta__addr { display: flex; align-items: center; gap: 8px; margin-top: 12px; color: #9fb0c9; font-size: 0.875rem; }
.cta__addr .icon { width: 16px; height: 16px; }

.cta__promise {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid rgba(234, 241, 251, 0.2);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.07);
}
.cta__promise h3 { color: #fff; font-size: 0.9375rem; font-weight: 700; }
.cta__promise li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #d8e3f5;
  font-size: 0.875rem;
}
.cta__promise .icon { width: 16px; height: 16px; margin-top: 4px; color: var(--amber); stroke-width: 2.4; }

.form {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-3);
}
.form h3 { font-size: 1.1875rem; font-weight: 700; }
.form__hint { margin-top: 8px; color: var(--muted); font-size: 0.8125rem; }
.form__hint a { font-weight: 600; }
.field { margin-top: 16px; }
.field label { display: block; margin-bottom: 6px; color: var(--ink); font-size: 0.875rem; font-weight: 600; }
.field label span { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 76px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--brand); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(15, 111, 245, 0.16);
}
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--danger); }
.field__msg { margin-top: 6px; color: var(--danger); font-size: 0.8125rem; }
.form .btn { margin-top: 22px; }
.form__status { margin-top: 12px; color: var(--ok); font-size: 0.875rem; }
.form__status:empty { display: none; }

/* ---------------------------------- 页脚 ---------------------------------- */
.site-footer { margin-top: clamp(20px, 3vw, 40px); padding: clamp(44px, 5vw, 64px) 0 28px; background: var(--dark); color: var(--on-dark-mut); }
.footer__grid { display: grid; grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr)); gap: 32px; }
.footer__brand p { margin-top: 16px; color: var(--on-dark-mut); font-size: 0.875rem; }
.footer__col h3 { color: #fff; font-size: 0.9375rem; font-weight: 700; }
.footer__col ul { display: grid; gap: 10px; margin-top: 16px; }
.footer__col li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.875rem; }
.footer__col .icon { width: 16px; height: 16px; margin-top: 4px; color: #7f93b3; }
.footer__col a { color: var(--on-dark-mut); }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: clamp(32px, 4vw, 48px);
  padding-top: 22px;
  border-top: 1px solid rgba(234, 241, 251, 0.14);
  color: #7f93b3;
  font-size: 0.8125rem;
}

/* ---------------------------------- PDA 下载页（download.html） ---------------------------------- */
/* 首页 PDA 能力卡里的下载入口 */
.custom__cta { margin-top: 20px; }

/* 下载页页头：品牌 + 返回首页 / 登录系统（子页面不展开主导航） */
.dl-header__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.dl-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(28px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(560px 260px at 18% 0%, rgba(15, 111, 245, 0.08), transparent 64%),
    radial-gradient(460px 220px at 86% 100%, rgba(18, 180, 232, 0.1), transparent 62%),
    #fff;
  box-shadow: var(--shadow-2);
  text-align: center;
}
.dl-card__meta { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.dl-card__sub { color: var(--muted); font-size: 0.9375rem; }
.dl-card__note { color: var(--muted); font-size: 0.875rem; }

.dl-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.dl-panel {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.dl-panel h2 { margin-bottom: 14px; font-size: 1.125rem; font-weight: 700; }

.dl-notes li, .dl-steps li { position: relative; margin-bottom: 9px; padding-left: 20px; font-size: 0.9375rem; }
.dl-notes li:last-child, .dl-steps li:last-child { margin-bottom: 0; }
.dl-notes li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad);
}
.dl-steps { counter-reset: dl-step; }
.dl-steps li { counter-increment: dl-step; padding-left: 28px; }
.dl-steps li::before {
  content: counter(dl-step);
  position: absolute;
  left: 0;
  top: 0.3em;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.dl-faq { margin-top: clamp(30px, 4vw, 44px); }
.dl-faq h2 { margin-bottom: 14px; font-size: 1.25rem; font-weight: 800; }
.dl-faq details {
  margin-bottom: 10px;
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
}
.dl-faq summary { cursor: pointer; color: var(--ink); font-weight: 600; }
.dl-faq summary::marker { color: var(--brand); }
.dl-faq details p { margin-top: 10px; color: var(--muted); font-size: 0.9375rem; }

.dl-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.dl-footer__links { display: flex; flex-wrap: wrap; gap: 18px; }
.dl-footer__links a { color: var(--on-dark); font-weight: 600; }
.dl-footer__links a:hover { color: #fff; }

@media (max-width: 760px) {
  .dl-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------------------------------- 侧边快捷条 ---------------------------------- */
.rail {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 40;
  display: grid;
  gap: 8px;
  transform: translateY(-50%);
}
.rail__item {
  display: grid;
  justify-items: center;
  gap: 3px;
  width: 62px;
  padding: 10px 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  color: var(--muted);
  font-size: 0.6875rem;
  box-shadow: var(--shadow-2);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.rail__item .icon { width: 20px; height: 20px; color: var(--brand); }
.rail__item:hover { color: var(--brand-strong); border-color: var(--brand); transform: translateY(-2px); text-decoration: none; }
.rail__item--top .icon { transform: rotate(180deg); }

/* ---------------------------------- 移动底栏（≤900px） ---------------------------------- */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 -10px 26px rgba(11, 27, 51, 0.08);
}
.dock__item {
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 9px 4px;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 600;
  border-right: 1px solid var(--line);
}
.dock__item:last-child { border-right: 0; }
.dock__item:hover { text-decoration: none; color: var(--brand-strong); }
.dock__item .icon { width: 19px; height: 19px; color: var(--brand); }
.dock__item--cta { background: var(--grad); color: #fff; }
.dock__item--cta .icon { color: #fff; }
.dock__item--cta:hover { color: #fff; }

/* ---------------------------------- 进场动效 ---------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------------------------------- 响应式 ---------------------------------- */
@media (max-width: 1180px) {
  .rail { display: none; }
}

@media (max-width: 1080px) {
  .hero__grid-wrap { grid-template-columns: minmax(0, 1fr); }
  .hero__visual { max-width: 720px; }
  .hero__float { display: none; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .assurance { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .trust__arrow { display: none; }
  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { border-left: 0; padding: 26px 0; border-top: 1px solid var(--line); }
  .stat:first-child, .stat:nth-child(2) { border-top: 0; }
  .stat:nth-child(2n) { padding-left: 24px; border-left: 1px solid var(--line); }
  .panel { grid-template-columns: minmax(0, 1fr); }
  .panel__shot { order: -1; }
  .custom { grid-template-columns: minmax(0, 1fr); }
  .custom__viz { order: -1; }
  .gains__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .depth__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about { grid-template-columns: minmax(0, 1fr); }
  .about__figure { max-width: 640px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 78px; }
  body { padding-bottom: 62px; }
  .topbar { display: none; }
  .nav-toggle { display: inline-flex; }
  .dock { display: grid; }

  /* 导航抽屉 */
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 70;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    width: min(380px, 88vw);
    height: 100vh;
    margin: 0;
    padding: 84px 20px 36px;
    background: #fff;
    box-shadow: -20px 0 48px rgba(11, 27, 51, 0.16);
    transform: translateX(105%);
    transition: transform 0.32s var(--ease);
    overflow-y: auto;
  }
  .site-nav.is-open { transform: none; }
  .site-nav__actions { flex-direction: column; align-items: stretch; order: -1; margin-left: 0; }
  .site-nav__actions .btn { width: 100%; }
  .site-nav__actions .btn--ghost { border-color: var(--line); }
  body.nav-open .nav-toggle { position: fixed; top: 18px; right: 18px; z-index: 80; }
  body.nav-open .nav-toggle__open { display: none; }
  body.nav-open .nav-toggle__close { display: block; }

  /* 抽屉里二级菜单常显 */
  .nav-menu { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-menu__link { justify-content: space-between; padding: 13px 14px; border-radius: var(--r-sm); font-size: 1rem; }
  .nav-menu__caret { display: none; }
  .mega,
  .mega--wide {
    position: static;
    display: block;
    width: auto;
    max-width: none;
    margin: 0 0 6px;
    padding: 4px 0 6px 12px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    transform: none;
    animation: none;
  }
  .nav-menu__item:hover > .mega,
  .nav-menu__item:focus-within > .mega { animation: none; }
  .mega__cols, .mega--wide .mega__cols { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .mega__link { padding: 8px 10px; }
  .mega__link strong { font-size: 0.875rem; }
  .mega__link span { font-size: 0.8125rem; }
  .mega__foot { margin-top: 6px; padding: 10px 10px 0; justify-content: flex-start; }

  .steps { grid-template-columns: minmax(0, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .services { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .hero__float { display: none; }
  .hero__note { text-align: left; }
  .ui__body { grid-template-columns: minmax(0, 1fr); }
  .ui__side { display: none; }
  .ui-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pda__float { display: none; }
  .pda__device { width: min(268px, 100%); }
  .flow__drag { display: none; }
  .deploy { grid-template-columns: minmax(0, 1fr); }
  .cta { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
  .capability__grid { grid-template-columns: minmax(0, 1fr); }
  .scenes { grid-template-columns: minmax(0, 1fr); }
  .assurance { grid-template-columns: minmax(0, 1fr); }
  .hero__actions .btn { width: 100%; }
  .ui-kpis { grid-template-columns: minmax(0, 1fr); }
  .ui-asset__grid { grid-template-columns: minmax(0, 1fr); }
  .ui-rows li { grid-template-columns: minmax(0, 1fr) auto; }
  .ui-rows__name { display: none; }
  .flow__chain, .flow__branch { flex-wrap: wrap; }
  .flow__arrow, .flow__elbow { display: none; }
  .flow__chain--tail .flow__hint { flex: 1 1 100%; margin-left: 0; }
  .gains__grid { grid-template-columns: minmax(0, 1fr); }
  .tabs__bar { width: 100%; border-radius: var(--r-lg); }
  .tab { flex: 1; padding: 9px 12px; font-size: 0.875rem; }
  .facts__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__float { animation: none; }
  .pda__float { animation: none; }
  .pda__beam { animation: none; }
}