/* =============================================================================
 * 吉摩尔科技官网 · 样式
 *   视觉语言与「吉物 AIoT 平台」同源：深色赛博 + 青色主色（#00d4ff）
 *   色值单一来源：下方 :root 变量，改色只改这里
 *   无外部依赖：不引入任何 CDN / 字体 / 图标库
 * ========================================================================== */

/* ----------------------------- 设计令牌 ----------------------------- */

:root {
  /* 主色（与平台 antd token colorPrimary 一致） */
  --color-primary: #00d4ff;
  --color-primary-hover: #33dcff;
  --color-primary-dim: #009dcc;
  --color-accent: #7b5cff;
  --color-success: #00ffa3;
  --color-warning: #ffd60a;
  --color-danger: #ff4d6d;
  --color-pink: #ff80a4;

  /* 品牌色：与「吉物 AIoT 平台」favicon / logo 同色（antd v5 默认主色）。
     只用于品牌标识（图形 + 文字），功能色仍是上面的青色系，两者不要混用。 */
  --brand: #1677ff;

  /* 背景层次（与平台 colorBgBase / colorBgContainer / colorBgElevated 一致） */
  --bg-base: #0a0e1a;
  --bg-container: #0f1629;
  --bg-elevated: #111827;
  --bg-deep: #060912;

  /* 文本（与平台 colorText / colorTextSecondary / colorTextTertiary 一致） */
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
  --text-tertiary: #5a6785;

  /* 小字号下限：说明性文字、徽标与界面示意的标注都不得小于 12px ——
     SEO 体检的「点击目标尺寸」按 12px 判读，低于它会被判为"文字过小、难以点击"。
     需要小字时用这个令牌，不要再写小于 12px 的硬编码值。 */
  --font-size-min: 12px;

  /* 描边 */
  --border: rgba(0, 212, 255, 0.18);
  --border-strong: rgba(0, 212, 255, 0.34);
  --border-soft: rgba(0, 212, 255, 0.1);

  /* 圆角 / 阴影 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-card: 0 18px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 32px rgba(0, 212, 255, 0.22);

  /* 布局 */
  --header-h: 68px;
  --max-w: 1200px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;
}

/* ----------------------------- 基础重置 ----------------------------- */

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

html {
  scroll-behavior: smooth;
  /* 锚点跳转时给固定顶栏留出空间 */
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.2px;
}

p {
  margin: 0;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--color-primary-hover);
}

::selection {
  background: rgba(0, 212, 255, 0.32);
  color: #fff;
}

/* 滚动条（深色环境） */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.22);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.4);
}

/* 键盘可达性：统一焦点环 */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 跳到主内容：平时移出视口，Tab 聚焦时滑入 */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
  background: var(--color-primary);
  color: #04121c;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.skip-link:focus {
  transform: translateY(0);
  color: #04121c;
}

/* ----------------------------- 布局工具 ----------------------------- */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section--tight {
  padding: 64px 0;
}

.section--deep {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-deep) 100%);
}

.section__head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section__eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
  background: rgba(0, 212, 255, 0.06);
}

.section__title {
  font-size: clamp(24px, 3.4vw, 36px);
  margin-bottom: 14px;
}

.section__desc {
  color: var(--text-secondary);
  font-size: 15.5px;
}

.text-gradient {
  background: linear-gradient(100deg, #00d4ff 0%, #7b5cff 60%, #00ffa3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ----------------------------- 按钮 ----------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(120deg, #00d4ff, #0093d8);
  color: #04121c;
  box-shadow: 0 10px 28px rgba(0, 212, 255, 0.28);
}

.btn--primary:hover {
  color: #04121c;
  background: linear-gradient(120deg, #33dcff, #00a8e8);
  box-shadow: 0 14px 34px rgba(0, 212, 255, 0.42);
}

.btn--ghost {
  background: rgba(0, 212, 255, 0.06);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn--ghost:hover {
  background: rgba(0, 212, 255, 0.14);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn--lg {
  height: 50px;
  padding: 0 28px;
  font-size: 16px;
}

.btn--sm {
  height: 36px;
  padding: 0 16px;
  font-size: 14px;
  border-radius: 8px;
}

/* ----------------------------- 顶栏 ----------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 14, 26, 0.72);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(8, 11, 21, 0.93);
  border-bottom-color: var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* 品牌区 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand:hover {
  color: var(--text-primary);
}

.brand__logo {
  /* 品牌图形是透明底 SVG，宽高比 40:37（见 tools/brand.mjs 的 iconViewBox） */
  width: 40px;
  height: 37px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  /* 与品牌图形同色（antd 默认主色），保证图形与文字是一个整体 */
  color: var(--brand);
}

/* 主导航：样式在 layout.js 中按当前路由标记 is-active */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
}

.site-nav__link {
  color: var(--text-secondary);
  font-size: 14.5px;
  padding: 8px 12px;
  border-radius: 8px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav__link:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.07);
}

.site-nav__link.is-active {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 导航内的平台入口只在移动端抽屉里出现。
   桌面端必须显式隐藏：否则它会和 header-actions 里的那个同时渲染，
   顶栏右侧就会出现两个「进入吉物平台」。 */
.site-nav .btn {
  display: none;
}

/* ----------------------------- 语言切换（下拉） -----------------------------
   <details> 原生展开/收起：不执行 JS 也能切换，选项是构建期写死相对目录地址的 <a>。
   触发按钮显示**当前页语言**的语言名，菜单列出全部语言（按语言注册表顺序）；
   两者文案都取当前页语言（中文页「中文 / 英文」，英文页 Chinese / English，
   页面上不混入另一种语言的字）。 */
.lang-picker {
  position: relative;
}

.lang-picker__toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  /* 边框比其它胶囊控件略亮一档：这一项必须一眼看出是「可点的语言入口」，
     否则容易被读成「当前语言」的状态标签（用户会以为页面上没有切换按钮）。 */
  border: 1px solid rgba(0, 212, 255, 0.28);
  background: rgba(0, 212, 255, 0.06);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

/* 去掉 <summary> 默认的三角标记（自绘 caret，便于跟随展开状态旋转） */
.lang-picker__toggle::-webkit-details-marker {
  display: none;
}

.lang-picker__toggle:hover,
.lang-picker__toggle:focus-visible,
.lang-picker[open] > .lang-picker__toggle {
  color: var(--text-primary);
  border-color: rgba(0, 212, 255, 0.45);
  background: rgba(0, 212, 255, 0.12);
}

/* 地球图标：语言切换的视觉标识（内联 SVG，颜色跟随 currentColor） */
.lang-picker__globe {
  width: 14px;
  height: 14px;
  flex: none;
  opacity: 0.9;
}

.lang-picker__caret {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform 0.2s ease;
}

.lang-picker[open] > .lang-picker__toggle .lang-picker__caret {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.lang-picker__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 120;
  min-width: 128px;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(10, 14, 26, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.lang-picker__option {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13.5px;
  white-space: nowrap;
}

a.lang-picker__option:hover,
a.lang-picker__option:focus-visible {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.1);
}

.lang-picker__option.is-active {
  color: var(--color-primary);
  cursor: default;
}

/* 语言提示条：非入口页在「当前页语言 ≠ 用户已选语言」时出现一次。
   hidden 属性优先于这里的 display，因此默认不占位。 */
.lang-notice {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-secondary);
  font-size: 13px;
}

.lang-notice__action {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

.lang-notice__action:hover,
.lang-notice__action:focus-visible {
  text-decoration: underline;
}

.lang-notice__close {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
}

.lang-notice__close:hover,
.lang-notice__close:focus-visible {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.12);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 212, 255, 0.06);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

/* ----------------------------- 首屏 ----------------------------- */

.hero {
  position: relative;
  padding: calc(var(--header-h) + 84px) 0 96px;
  overflow: hidden;
}

/* 背景：网格 + 两团径向光晕（纯 CSS，无图片依赖） */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 212, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 32%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 32%, #000 12%, transparent 78%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -22%;
  left: 50%;
  width: 1080px;
  height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(circle at 30% 40%, rgba(0, 212, 255, 0.2), transparent 62%),
    radial-gradient(circle at 72% 58%, rgba(123, 92, 255, 0.2), transparent 62%);
  filter: blur(12px);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-primary);
  border: 1px solid var(--border);
  background: rgba(0, 212, 255, 0.06);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 22px;
}

.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 10px var(--color-success);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.hero__title {
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__lead {
  font-size: 16.5px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  color: var(--text-secondary);
  font-size: 14px;
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__points .tick {
  color: var(--color-success);
  font-weight: 700;
}

/* 首屏右侧：平台界面示意（纯 DOM 拼装，无截图依赖） */
.hero__visual {
  position: relative;
}

.mock {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.94), rgba(10, 14, 26, 0.94));
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(0, 212, 255, 0.04);
}

.mock__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.25);
}

.mock__dot:nth-child(1) {
  background: rgba(255, 77, 109, 0.65);
}
.mock__dot:nth-child(2) {
  background: rgba(255, 214, 10, 0.65);
}
.mock__dot:nth-child(3) {
  background: rgba(0, 255, 163, 0.65);
}

.mock__title {
  margin-left: 10px;
  font-size: 12.5px;
  color: var(--text-tertiary);
  letter-spacing: 0.4px;
}

.mock__body {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  min-height: 288px;
}

.mock__side {
  border-right: 1px solid var(--border-soft);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mock__side-item {
  font-size: 12.5px;
  color: var(--text-tertiary);
  padding: 7px 10px;
  border-radius: 7px;
}

.mock__side-item.is-on {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-soft);
}

.mock__main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mock__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.mock__stat {
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(0, 212, 255, 0.035);
}

.mock__stat b {
  display: block;
  font-size: 19px;
  color: var(--color-primary);
  text-shadow: 0 0 14px rgba(0, 212, 255, 0.4);
  font-family: var(--font-mono);
}

.mock__stat span {
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
}

.mock__chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 108px;
  padding: 12px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.025);
}

.mock__chart i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--color-primary), rgba(0, 212, 255, 0.12));
  animation: barGrow 3.4s ease-in-out infinite alternate;
  transform-origin: bottom;
}

@keyframes barGrow {
  from {
    transform: scaleY(0.62);
    opacity: 0.72;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

.mock__rows {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mock__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 7px 10px;
  border: 1px solid var(--border-soft);
  border-radius: 7px;
}

.mock__row .tag {
  margin-left: auto;
  font-size: var(--font-size-min);
  color: var(--color-success);
  border: 1px solid rgba(0, 255, 163, 0.28);
  border-radius: 999px;
  padding: 1px 8px;
}

@media (prefers-reduced-motion: reduce) {
  .mock__chart i,
  .hero__badge .dot {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ----------------------------- 指标条 ----------------------------- */

.metrics {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.04), transparent);
}

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

.metric {
  padding: 30px 22px;
  text-align: center;
  border-right: 1px solid var(--border-soft);
}

.metric:last-child {
  border-right: none;
}

.metric__value {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-primary);
  text-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
}

.metric__label {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ----------------------------- 卡片网格 ----------------------------- */

.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));
}

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15, 22, 41, 0.92), rgba(10, 14, 26, 0.92));
  padding: 26px 24px;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  overflow: hidden;
  height: 100%;
}

/* 顶部渐发光条 */
.card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border);
  color: var(--color-primary);
  font-size: 21px;
}

.card__title {
  font-size: 17.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card__desc {
  color: var(--text-secondary);
  font-size: 14.5px;
}

.card__list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--text-secondary);
}

.card__list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.7);
}

/* 小标签 */
.chip {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 10px;
  background: rgba(0, 212, 255, 0.06);
  font-weight: 500;
  line-height: 1.7;
}

.chip--ok {
  color: var(--color-success);
  border-color: rgba(0, 255, 163, 0.3);
  background: rgba(0, 255, 163, 0.07);
}

.chip--soon {
  color: var(--color-warning);
  border-color: rgba(255, 214, 10, 0.3);
  background: rgba(255, 214, 10, 0.07);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* ----------------------------- 架构分层图 ----------------------------- */

.arch {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arch__layer {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 18px 20px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.055), rgba(10, 14, 26, 0.5));
}

.arch__name {
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.arch__name span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.arch__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.arch__item {
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid var(--border-soft);
  background: rgba(15, 22, 41, 0.8);
  border-radius: 8px;
  padding: 6px 12px;
}

/* ----------------------------- 数据流（横向步骤） ----------------------------- */

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  counter-reset: flow;
}

.flow__step {
  position: relative;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px 22px;
  background: rgba(15, 22, 41, 0.7);
}

.flow__step::after {
  content: '›';
  position: absolute;
  right: -13px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  color: rgba(0, 212, 255, 0.4);
}

.flow__step:last-child::after {
  display: none;
}

.flow__index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 8px;
  display: inline-block;
  margin-bottom: 12px;
}

.flow__title {
  font-size: 16px;
  margin-bottom: 8px;
}

.flow__desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ----------------------------- 解决方案（可切换页签） ----------------------------- */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.tab {
  border: 1px solid var(--border);
  background: rgba(0, 212, 255, 0.05);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.tab.is-active {
  color: #04121c;
  background: linear-gradient(120deg, #00d4ff, #0093d8);
  border-color: transparent;
  font-weight: 600;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
  animation: fadeIn 0.32s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.solution {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  background: linear-gradient(150deg, rgba(0, 212, 255, 0.06), rgba(123, 92, 255, 0.05) 55%, transparent);
}

.solution__title {
  font-size: 23px;
  margin-bottom: 12px;
}

.solution__desc {
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.solution__block {
  margin-bottom: 18px;
}

.solution__block h4 {
  font-size: 14px;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.solution__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solution__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  color: var(--text-secondary);
}

.solution__list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.7);
}

/* ----------------------------- 页签页（子页面通用） ----------------------------- */

.page-hero {
  padding: calc(var(--header-h) + 62px) 0 52px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.07), transparent);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 100% at 30% 0%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 30% 0%, #000, transparent 72%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-size: clamp(26px, 3.6vw, 40px);
  margin-bottom: 14px;
}

.page-hero__desc {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 720px;
}

.crumb {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.crumb a {
  color: var(--text-tertiary);
}

.crumb a:hover {
  color: var(--color-primary);
}

/* ----------------------------- 代码 / 接口块 ----------------------------- */

.code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #070b14;
  overflow: hidden;
}

.code-block__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(0, 212, 255, 0.05);
  font-size: 12.5px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.code-block pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #cfe8ff;
}

.code-block code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* 表格（接口清单） */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  background: rgba(15, 22, 41, 0.6);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

th,
td {
  text-align: left;
  padding: 13px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}

th {
  color: var(--color-primary);
  font-size: 13px;
  letter-spacing: 0.6px;
  font-weight: 600;
  background: rgba(0, 212, 255, 0.05);
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: rgba(0, 212, 255, 0.035);
}

td code {
  white-space: nowrap;
}

/* ----------------------------- 使用文档 ----------------------------- */

.doc-meta {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* 侧栏目录 + 正文两栏；侧栏在长文档里保持可见 */
.doc-layout {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  max-height: calc(100vh - var(--header-h) - 48px);
  overflow-y: auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: rgba(15, 22, 41, 0.62);
  padding: 18px 16px;
}

.doc-toc__title {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.doc-toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.doc-toc__item > a {
  display: block;
  font-size: 14.5px;
  color: var(--text-secondary);
  padding: 7px 10px;
  border-radius: 8px;
  transition: color 0.18s ease, background 0.18s ease;
}

.doc-toc__item > a:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.07);
}

.doc-toc__item.is-active > a {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
  font-weight: 600;
}

/* 当前章节的小节锚点 */
.doc-toc__sub {
  margin: 4px 0 10px;
  padding-left: 12px;
  border-left: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.doc-toc__sub a {
  display: block;
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 4px 8px;
  border-radius: 6px;
}

.doc-toc__sub a:hover {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.06);
}

/* 正文 */
.doc-body {
  min-width: 0;
}

.doc-section {
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-soft);
}

.doc-section:last-of-type {
  border-bottom: none;
}

.doc-section__title {
  font-size: 21px;
  margin-bottom: 14px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.doc-section__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 17px;
  margin-right: 10px;
  vertical-align: -2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--accent));
}

.doc-section__intro {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* 要点列表 */
.doc-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.8px;
  color: var(--text-secondary);
}

.doc-list li::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.7);
}

/* 步骤：带序号的有序列表 */
.doc-body ol.steps {
  list-style: none;
  counter-reset: doc-step;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.doc-body ol.steps > li {
  counter-increment: doc-step;
  position: relative;
  padding-left: 44px;
  font-size: 14.8px;
  color: var(--text-secondary);
  min-height: 28px;
}

.doc-body ol.steps > li::before {
  content: counter(doc-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
  border: 1px solid var(--border-strong);
  background: rgba(0, 212, 255, 0.08);
}

/* 注意块 */
.doc-note {
  margin-top: 16px;
  font-size: 14.4px;
  color: var(--text-secondary);
  border-left: 3px solid var(--color-warning);
  background: rgba(255, 214, 10, 0.06);
  border-radius: 0 10px 10px 0;
  padding: 12px 16px;
}

.doc-note__label {
  display: inline-block;
  color: var(--color-warning);
  font-weight: 600;
  margin-right: 8px;
}

/* 上一章 / 下一章 */
.doc-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--border-soft);
}

.doc-pager__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  min-width: 180px;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.doc-pager__link:hover {
  border-color: var(--border-strong);
  background: rgba(0, 212, 255, 0.06);
  transform: translateY(-2px);
}

.doc-pager__link--next {
  text-align: right;
  margin-left: auto;
}

.doc-pager__dir {
  font-size: 12px;
  color: var(--text-tertiary);
}

.doc-pager__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

/* 文档首页的章节卡片 */
.doc-card {
  display: block;
  color: inherit;
}

.doc-card:hover {
  color: inherit;
}

.doc-card__more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

/* ----------------------------- 平台界面示意（mock UI） -----------------------------
   文档与方案里用来展示"平台某个页面长什么样、点哪里"。
   与真界面同一套设计语言（深色 + 青色），但明确标注「界面示意」——
   这是示意图不是截屏，标注避免读者误以为是真实截图。
------------------------------------------------------------------------------ */

.mockui {
  margin: 22px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.94), rgba(10, 14, 26, 0.96));
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

/* 窗口标题条 */
.mockui__chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(0, 212, 255, 0.04);
}

.mockui__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.22);
}
.mockui__dot:nth-child(1) {
  background: rgba(255, 77, 109, 0.6);
}
.mockui__dot:nth-child(2) {
  background: rgba(255, 214, 10, 0.6);
}
.mockui__dot:nth-child(3) {
  background: rgba(0, 255, 163, 0.6);
}

.mockui__url {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.mockui__badge {
  margin-left: auto;
  font-size: var(--font-size-min);
  color: var(--color-warning);
  border: 1px solid rgba(255, 214, 10, 0.32);
  background: rgba(255, 214, 10, 0.08);
  border-radius: 999px;
  padding: 1px 9px;
  white-space: nowrap;
}

/* 界面主体：左菜单 + 右内容 */
.mockui__body {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  font-size: 12.5px;
  min-height: 190px;
}

.mockui__body--plain {
  grid-template-columns: minmax(0, 1fr);
}

/* 左侧导航 */
.mockui__nav-item {
  display: block;
  padding: 7px 10px;
  border-radius: 7px;
  color: var(--text-tertiary);
  white-space: nowrap;
}
.mockui__nav-item.is-on {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-soft);
}
.mockui__body > .mockui__nav-item:first-child {
  margin-top: 12px;
}
.mockui__body > .mockui__nav-item {
  margin: 0 10px 4px;
}

/* 右侧主区 */
.mockui__main {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 1px solid var(--border-soft);
  min-width: 0;
}
.mockui__body--plain .mockui__main {
  border-left: none;
}

.mockui__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.mockui__bar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-right: auto;
}

.mockui__btn {
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  padding: 4px 10px;
  white-space: nowrap;
}
.mockui__btn--primary {
  color: #04121c;
  background: linear-gradient(120deg, #00d4ff, #0093d8);
  border-color: transparent;
  font-weight: 600;
}
.mockui__btn--ghost {
  background: transparent;
}

.mockui__tag {
  font-size: var(--font-size-min);
  color: var(--color-success);
  border: 1px solid rgba(0, 255, 163, 0.3);
  border-radius: 999px;
  padding: 1px 8px;
}

.mockui__filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.mockui__input {
  font-size: 12px;
  color: var(--text-tertiary);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  background: rgba(0, 212, 255, 0.03);
  padding: 4px 10px;
  white-space: nowrap;
}

/* 表格 */
.mockui__table {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  overflow: hidden;
}

.mockui__tr {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 8px;
  padding: 7px 11px;
  border-bottom: 1px solid var(--border-soft);
}
.mockui__tr:last-child {
  border-bottom: none;
}
.mockui__tr--head {
  background: rgba(0, 212, 255, 0.05);
}
.mockui__tr--head .mockui__th {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-min);
}
.mockui__tr.is-hl {
  background: rgba(0, 212, 255, 0.07);
  box-shadow: inset 2px 0 0 var(--color-primary);
}
.mockui__td {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 键值对 */
.mockui__fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}
.mockui__field {
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: rgba(0, 212, 255, 0.035);
  padding: 8px 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mockui__field i {
  font-style: normal;
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
}
.mockui__field b {
  font-size: 15px;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

/* 趋势图 */
.mockui__chart {
  position: relative;
  height: 96px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: rgba(0, 212, 255, 0.025);
  overflow: hidden;
}
.mockui__chart svg {
  width: 100%;
  height: 100%;
  display: block;
}
.mockui__chart-label {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
}

/* 表单行 */
.mockui__form {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.mockui__form-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 6px 11px;
}
.mockui__form-row.is-on {
  border-color: var(--border-strong);
  background: rgba(0, 212, 255, 0.06);
}
.mockui__form-row i {
  font-style: normal;
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
  min-width: 76px;
}
.mockui__form-row b {
  font-weight: 500;
  color: var(--text-primary);
}
.mockui__form-row u {
  text-decoration: none;
  margin-left: auto;
  font-size: var(--font-size-min);
  color: var(--color-warning);
  white-space: nowrap;
}

.mockui__tip {
  font-size: 12px;
  color: var(--text-tertiary);
  border-left: 2px solid var(--border-strong);
  padding-left: 10px;
}

/* 左右分栏（详情页 / 看板） */
.mockui__split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.mockui__sub-title {
  font-size: var(--font-size-min);
  color: var(--color-primary);
  letter-spacing: 0.6px;
  margin-bottom: 7px;
}

.mockui__stream {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: var(--font-size-min);
  color: var(--text-secondary);
}
.mockui__stream span {
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  padding: 4px 9px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 大屏编辑器三栏 */
.mockui__editor {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 178px;
  gap: 10px;
}
.mockui__panel {
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mockui__canvas {
  border: 1px dashed var(--border-strong);
  border-radius: 9px;
  background-image: linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-content: start;
  min-height: 150px;
}
.mockui__widget {
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
  font-size: var(--font-size-min);
  display: grid;
  place-items: center;
  padding: 8px;
  text-align: center;
}
.mockui__widget--lg {
  grid-column: 1 / -1;
  min-height: 74px;
}

.mockui__chip {
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 2px 9px;
  text-align: center;
}
.mockui__chip.is-on {
  color: var(--color-primary);
  border-color: var(--border-strong);
  background: rgba(0, 212, 255, 0.1);
}

/* AI 对话 */
.mockui__chat {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.mockui__msg {
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  max-width: 92%;
}
.mockui__msg--user {
  align-self: flex-end;
  background: rgba(0, 212, 255, 0.14);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}
.mockui__msg--tool {
  align-self: flex-start;
  background: rgba(123, 92, 255, 0.12);
  border: 1px solid rgba(123, 92, 255, 0.32);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-min);
}
.mockui__msg--tool b {
  color: #b9a6ff;
  margin-right: 6px;
}
.mockui__msg--ai {
  align-self: flex-start;
  background: rgba(15, 22, 41, 0.9);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
}

/* 接入步骤链 */
.mockui__steps {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
}
.mockui__step {
  flex: 1 1 130px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  padding: 11px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.mockui__step b {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 12px;
}
.mockui__step i {
  font-style: normal;
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
}
.mockui__step u {
  text-decoration: none;
  font-size: 12.5px;
  color: var(--text-primary);
}
.mockui__arrow {
  align-self: center;
  color: var(--color-primary);
  opacity: 0.6;
}

/* KPI 行 */
.mockui__kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
}
.mockui__kpi {
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: rgba(0, 212, 255, 0.035);
  padding: 9px 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mockui__kpi b {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--color-primary);
  text-shadow: 0 0 14px rgba(0, 212, 255, 0.35);
}
.mockui__kpi i {
  font-style: normal;
  font-size: var(--font-size-min);
  color: var(--text-tertiary);
}

/* 编号热点：标出"点这里" */
.mockui__body--annotated [data-hot] {
  position: relative;
  box-shadow: 0 0 0 1px var(--color-warning), 0 0 14px rgba(255, 214, 10, 0.22);
  border-radius: 6px;
}
.mockui__body--annotated [data-hot]::after {
  content: attr(data-hot);
  position: absolute;
  top: -8px;
  right: -8px;
  z-index: 2;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--font-size-min);
  font-weight: 700;
  color: #241c00;
  background: var(--color-warning);
  box-shadow: 0 0 10px rgba(255, 214, 10, 0.5);
}

/* 标注说明 */
.mockui__notes {
  list-style: none;
  counter-reset: mock-note;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 14px 16px 0;
}
.mockui__notes li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-secondary);
}
.mockui__notes li b {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--font-size-min);
  color: #241c00;
  background: var(--color-warning);
}

.mockui__caption {
  display: block;
  padding: 12px 16px 16px;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* 窄屏：编辑器收成两栏、隐藏素材面板的文字说明 */
@media (max-width: 860px) {
  .mockui__body {
    grid-template-columns: minmax(0, 1fr);
  }
  .mockui__body > .mockui__nav-item {
    display: none;
  }
  .mockui__main {
    border-left: none;
  }
  .mockui__editor {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ----------------------------- 步骤列表 ----------------------------- */

.steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: step;
}

.steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px 22px;
  background: rgba(15, 22, 41, 0.6);
}

.steps__num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--border-strong);
  background: rgba(0, 212, 255, 0.08);
}

.steps__title {
  font-size: 16px;
  margin-bottom: 6px;
}

.steps__desc {
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* ----------------------------- CTA ----------------------------- */

.cta {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 46px;
  text-align: center;
  background: radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.16), transparent 58%),
    radial-gradient(circle at 82% 76%, rgba(123, 92, 255, 0.16), transparent 58%),
    rgba(15, 22, 41, 0.72);
}

.cta__title {
  font-size: clamp(22px, 3vw, 32px);
  margin-bottom: 14px;
}

.cta__desc {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 28px;
}

.cta__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ----------------------------- 页脚 ----------------------------- */

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-deep);
  padding: 56px 0 26px;
  font-size: 14px;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 34px;
  margin-bottom: 36px;
}

.footer__about p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 16px;
  max-width: 320px;
}

.footer__col h4 {
  font-size: 13.5px;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: 0.8px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a,
.footer__col li {
  color: var(--text-secondary);
  font-size: 14px;
}

.footer__col a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  border-top: 1px solid var(--border-soft);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  row-gap: 10px;
  flex-wrap: wrap;
  color: var(--text-tertiary);
  font-size: 13px;
}

/* 备案信息（ICP / 公安联网备案）：与版权行同色、字号略小，点击跳官方查询站 */
.footer__record {
  color: var(--text-tertiary);
  font-size: 12.5px;
  text-decoration: none;
}

.footer__record:hover {
  color: var(--color-primary);
}

/* 公安备案图标 + 备案号：必须作为一个整体排版。
   两者是独立的 flex 子项时，.footer__bottom 的 space-between 会把它们分别推到
   行尾两端 —— 图标和号码被拉开一大段空白。包一层 inline-flex 就不会。 */
.footer__record-wrap {
  display: inline-flex;
  align-items: center;
  column-gap: 5px;
}

/* 公安备案图标：官方放置代码要求 20×20；防 flex 拉伸，保持正方形 */
.footer__record-icon {
  flex: none;
  width: 20px;
  height: 20px;
}

/* ----------------------------- 路由页容器 ----------------------------- */

.view {
  display: none;
}

.view.is-active {
  display: block;
}

/* ----------------------------- 响应式 ----------------------------- */

@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 42px;
  }
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .flow__step:nth-child(2)::after {
    display: none;
  }
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  /* 文档：侧栏收到正文上方，不再吸顶（窄屏吸顶会占掉半屏） */
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }
  .doc-toc {
    position: static;
    max-height: none;
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .header-actions .btn {
    display: none;
  }

  /* 移动端抽屉式导航：由 layout.js 添加 .is-open */
  .site-nav.is-open {
    display: flex;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: 0;
    padding: 20px 24px 40px;
    background: rgba(6, 9, 18, 0.98);
    backdrop-filter: blur(10px);
    overflow-y: auto;
    z-index: 99;
  }

  .site-nav.is-open .site-nav__link {
    font-size: 17px;
    padding: 14px 16px;
    border: 1px solid var(--border-soft);
  }

  .site-nav.is-open .btn {
    display: inline-flex;
    margin-top: 16px;
  }

  .section {
    padding: 62px 0;
  }
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }
  .metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .metric {
    border-bottom: 1px solid var(--border-soft);
  }
  .metric:nth-child(2n) {
    border-right: none;
  }
  .solution {
    grid-template-columns: minmax(0, 1fr);
    padding: 24px;
  }
  .arch__layer {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  .cta {
    padding: 32px 22px;
  }
  .footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .flow {
    grid-template-columns: minmax(0, 1fr);
  }
  .flow__step::after {
    display: none;
  }
  .mock__body {
    grid-template-columns: minmax(0, 1fr);
  }
  .mock__side {
    display: none;
  }
  .mock__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ----------------------------- 打印 ----------------------------- */

@media print {
  .site-header,
  .site-footer,
  .nav-toggle {
    display: none;
  }
  body {
    background: #fff;
    color: #111;
  }
}