/* 东莞市登云科技有限公司 - 官网样式 */
:root {
  --bg-deep: #06080f;
  --bg-panel: #0c101b;
  --bg-elevated: #111827;
  --border: rgba(0, 212, 170, 0.18);
  --text: #e8edf5;
  --text-muted: #8b9cb3;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.35);
  --danger: #f472b6;
  --font-sans: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --radius: 10px;
  --header-h: 64px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  /* 3D 景深（透视 + 悬停倾斜；精细指针设备上首页卡片另有跟手倾斜脚本） */
  --perspective: 1100px;
  --tilt-lift: translateY(-12px) translateZ(36px);
  --tilt-rotate: rotateX(8deg) rotateY(-11deg);
  --tilt-soft: translateY(-8px) translateZ(22px) rotateX(5deg) rotateY(6deg);
  --tilt-chart: translateY(-6px) translateZ(20px) rotateX(4deg) rotateY(-5deg);
  /* 页面左右安全留白（H5 适当加大，避免板块贴边） */
  --gutter-x: 16px;
}

@media (max-width: 1024px) {
  :root {
    --gutter-x: 22px;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter-x: 24px;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter-x: 28px;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@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;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: clip;
}

/* 分页面主题色 — 降低同质化观感 */
body.page-home {
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.38);
}

body.page-drg {
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.14);
  --accent-glow: rgba(34, 211, 238, 0.4);
  --border: rgba(34, 211, 238, 0.22);
}

/* —— DRG 专题 · Intelligence 落地页 */
.drg-hero {
  position: relative;
  padding: 28px 0 20px;
  margin-bottom: 8px;
  overflow: hidden;
}

.drg-hero__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.drg-hero__brand {
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.08em;
}

.drg-hero__sep {
  width: 1px;
  height: 14px;
  background: var(--border);
}

.drg-hero__product {
  color: var(--accent);
}

.drg-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.drg-badge {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  font-size: 10px;
  color: var(--accent);
}

.drg-badge--muted {
  border-color: var(--border);
  color: var(--text-muted);
}

.drg-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 400px);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

@media (max-width: 900px) {
  .drg-hero__grid {
    grid-template-columns: 1fr;
  }

  .drg-hero__badges {
    margin-left: 0;
  }
}

.drg-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.drg-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.drg-hero__title-wrap {
  position: relative;
  margin-bottom: 14px;
}

.drg-hero__title-wrap::before {
  content: "G";
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-52%);
  font-size: clamp(72px, 14vw, 120px);
  font-weight: 900;
  line-height: 1;
  color: color-mix(in srgb, var(--accent) 8%, transparent);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.drg-hero__title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(26px, 4.2vw, 40px);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.15;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}

.drg-hero__lead {
  margin: 0 0 22px;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 40em;
}

.drg-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.drg-hero__cta-primary {
  box-shadow:
    0 0 24px color-mix(in srgb, var(--accent) 28%, transparent),
    0 1px 0 color-mix(in srgb, var(--accent) 35%, transparent) inset;
}

.drg-hero__viz {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
}

.drg-orbit {
  position: relative;
  width: min(100%, 320px);
  height: min(100%, 320px);
  aspect-ratio: 1;
}

.drg-orbit__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  box-shadow: 0 0 48px color-mix(in srgb, var(--accent) 12%, transparent);
}

.drg-orbit__node {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3.2rem;
  margin-left: -1.6rem;
  margin-top: -0.55rem;
  padding: 5px 6px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  text-align: center;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-panel) 88%, var(--accent));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 8px;
  transform: rotate(var(--drg-a, 0deg)) translateY(calc(-1 * var(--drg-r, 118px)))
    rotate(calc(-1 * var(--drg-a, 0deg)));
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.drg-orbit {
  --drg-r: min(42%, 118px);
}

.drg-orbit__core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 28%;
  height: 28%;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(15px, 3vw, 18px);
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--bg-deep);
  background: linear-gradient(145deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #0ea5e9));
  box-shadow:
    0 0 40px color-mix(in srgb, var(--accent) 45%, transparent),
    0 1px 0 color-mix(in srgb, #fff 35%, transparent) inset;
  z-index: 2;
  animation: drgCorePulse 3.2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .drg-orbit__core {
    animation: none;
  }
}

@keyframes drgCorePulse {
  0%,
  100% {
    box-shadow:
      0 0 36px color-mix(in srgb, var(--accent) 40%, transparent),
      0 1px 0 color-mix(in srgb, #fff 30%, transparent) inset;
  }

  50% {
    box-shadow:
      0 0 52px color-mix(in srgb, var(--accent) 55%, transparent),
      0 1px 0 color-mix(in srgb, #fff 40%, transparent) inset;
  }
}

.drg-subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 0;
  margin: 0 0 24px;
  background: color-mix(in srgb, var(--bg-deep) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.drg-subnav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    color 0.2s var(--ease),
    background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.drg-subnav a:hover {
  color: var(--text);
  border-color: var(--border);
}

.drg-subnav a.is-active {
  color: var(--bg-deep);
  background: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.drg-section {
  scroll-margin-top: calc(var(--header-h) + 52px);
  margin-bottom: 36px;
}

.drg-section__title {
  margin: 0 0 16px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text);
}

.drg-section__no {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent);
}

.drg-card-grid {
  display: grid;
  gap: 14px;
}

.drg-card-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.drg-card-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1024px) {
  .drg-card-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .drg-card-grid--4,
  .drg-card-grid--3 {
    grid-template-columns: 1fr;
  }
}

.drg-info-card {
  padding: 18px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-panel) 92%, #050810);
  transition:
    border-color 0.25s var(--ease),
    box-shadow 0.3s var(--ease);
}

@media (hover: hover) {
  .drg-info-card:hover {
    border-color: color-mix(in srgb, var(--accent) 35%, transparent);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  }
}

.drg-info-card__title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.drg-info-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.drg-value-card {
  padding: 18px 16px 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-panel) 94%, #050810);
  border-left: 3px solid var(--accent);
}

.drg-value-card h3 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.drg-value-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.drg-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 6px;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px dashed color-mix(in srgb, var(--accent) 28%, var(--border));
  background: color-mix(in srgb, var(--bg-panel) 90%, transparent);
}

.drg-chain__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}

.drg-chain__n {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
}

.drg-chain__arrow {
  color: var(--text-muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .drg-chain__arrow {
    display: none;
  }

  .drg-chain {
    flex-direction: column;
    align-items: stretch;
  }
}

.drg-split__lead {
  margin-top: -8px;
  margin-bottom: 18px;
}

.drg-split-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

@media (max-width: 1024px) {
  .drg-split-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .drg-split-grid {
    grid-template-columns: 1fr;
  }
}

.drg-split-card {
  padding: 16px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  min-width: 0;
}

.drg-split-card__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent);
}

.drg-split-card h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.drg-split-card p {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.drg-split-flow {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-deep) 50%, var(--bg-panel));
}

.drg-split-flow__label {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.1em;
}

.drg-split-flow__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.drg-split-flow__chips span {
  padding: 6px 10px;
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
}

.drg-board {
  scroll-margin-top: calc(var(--header-h) + 52px);
  margin: 32px 0;
  padding: clamp(18px, 2.5vw, 26px);
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--border));
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--bg-panel);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.drg-board__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 10px;
}

@media (max-width: 720px) {
  .drg-board__head {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .drg-board__meta {
    justify-content: center;
  }

  .drg-board__clock {
    justify-content: center;
  }
}

.drg-board__clock {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.drg-board__clock-label {
  font-size: 11px;
  color: var(--text-muted);
}

.drg-board__title {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, #a78bfa, #e8edf5 40%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.drg-board__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.drg-board__pill {
  padding: 5px 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
}

.drg-board__pill--muted {
  border-color: var(--border);
  color: var(--text-muted);
}

.drg-board__note {
  margin: 0 0 18px;
  font-size: 12px;
  text-align: center;
  color: var(--text-muted);
}

.drg-board__kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

@media (max-width: 900px) {
  .drg-board__kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 440px) {
  .drg-board__kpis {
    grid-template-columns: 1fr;
  }
}

.drg-kpi {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 95%, transparent);
  transition:
    transform 0.3s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.3s var(--ease);
}

@media (hover: hover) {
  .drg-kpi:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
  }
}

.drg-kpi__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-deep));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* KPI 左侧图标：内联 SVG 蒙版 + 主题色，避免依赖外部字体 */
.drg-kpi__icon::before {
  content: "";
  width: 18px;
  height: 18px;
  background-color: var(--accent);
  -webkit-mask-image: var(--kpi-icon);
  mask-image: var(--kpi-icon);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.drg-kpi__icon--doc {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6zm0 2.1L18.9 8H14V4.1zM8 13h8v2H8v-2zm0 4h8v2H8v-2z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--chart {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M5 20V11h4v9H5zm5 0V6h4v14h-4zm5 0v-7h4v7h-4z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--cross {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M19 11h-6V5h-2v6H5v2h6v6h2v-6h6v-2z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--box {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 2 2 7v10l10 5 10-5V7L12 2zm0 2.2 7.3 3.6L12 10.9 4.7 7.8 12 4.2zM4 9.1l7 3.1v6.7l-7-3.5V9.1zm16 0v6.4l-7 3.5v-6.7l7-3.2z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--bar {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M4 6h16v2H4V6zm0 5h16v2H4v-2zm0 5h16v2H4v-2z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--clock {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm0 18c-4.4 0-8-3.6-8-8s3.6-8 8-8 8 3.6 8 8-3.6 8-8 8zm1-13h-2v6l4.5 2.7.9-1.5-3.4-2V7z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--db {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 3C7.5 3 4 4.3 4 6v12c0 1.7 3.5 3 8 3s8-1.3 8-3V6c0-1.7-3.5-3-8-3zm0 2c3.9 0 6 1.1 6 1.5S15.9 8 12 8 6 6.6 6 6.5 8.1 5 12 5zm8 4.2c-.9.7-3.4 1.3-6 1.3-2.8 0-5.3-.7-6-1.3V11c0 .4 2.1 1.5 6 1.5s6-1.1 6-1.5V9.2zm0 4V18c0 .4-2.1 1.5-6 1.5S6 18.4 6 18v-4.8c1.7 1.1 4.5 1.8 6 1.8 1.5 0 4.3-.7 6-1.8z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--alert {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M1 21h22L12 2 1 21zm12-3h-2v-2h2v2zm0-4h-2v-4h2v4z'/%3E%3C/svg%3E");
}

.drg-kpi__icon--doc2 {
  --kpi-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M4 6h16a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2zm0 3c1.1 0 2-.9 2-2h12c0 1.1.9 2 2 2v4c-1.1 0-2 .9-2 2H6c0-1.1-.9-2-2-2V9zm8 1.5c-1.4 0-2.5 1-2.5 2.3 0 1 .6 1.9 1.5 2.2V17h2v-2c.9-.3 1.5-1.2 1.5-2.2 0-1.3-1.1-2.3-2.5-2.3z'/%3E%3C/svg%3E");
}

.drg-kpi__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drg-kpi__label {
  font-size: 11px;
  color: var(--text-muted);
}

.drg-kpi__value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.drg-kpi__delta {
  font-size: 11px;
  font-family: var(--font-mono);
}

.drg-kpi__delta--up {
  color: #4ade80;
}

.drg-kpi__delta--down {
  color: #fb7185;
}

.drg-board__charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .drg-board__charts {
    grid-template-columns: 1fr;
  }
}

.drg-board__chart-card {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-deep) 35%, var(--bg-panel));
  min-width: 0;
}

.drg-board__chart-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 650;
  color: var(--text);
}

.drg-board__chart-h {
  position: relative;
  height: 240px;
}

.drg-board__chart-h--short {
  height: 220px;
}

.drg-analytics {
  scroll-margin-top: calc(var(--header-h) + 52px);
  margin-bottom: 28px;
}

.drg-analytics__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .drg-analytics__grid {
    grid-template-columns: 1fr;
  }
}

.drg-ops {
  scroll-margin-top: calc(var(--header-h) + 52px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .drg-ops {
    grid-template-columns: 1fr;
  }
}

.drg-ops__chart {
  margin: 0;
}

.drg-integration {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.drg-integration__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.drg-integration__title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.drg-integration__link {
  font-size: 12px;
  color: var(--accent);
}

.drg-integration__text {
  margin: 0 0 14px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.drg-integration__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

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

.drg-io {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 11px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
}

.drg-io__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
}

.drg-integration__cta {
  flex-shrink: 0;
}

.drg-integration__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.drg-integration__metrics div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.drg-integration__metrics strong {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
}

.drg-integration__metrics span {
  font-size: 11px;
  color: var(--text-muted);
}

.drg-judge {
  scroll-margin-top: calc(var(--header-h) + 52px);
  margin-bottom: 28px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-panel) 94%, transparent);
}

body.page-dip {
  --accent: #fbbf24;
  --accent-dim: rgba(251, 191, 36, 0.14);
  --accent-glow: rgba(251, 191, 36, 0.35);
  --border: rgba(251, 191, 36, 0.22);
}

body.page-dip .dip-hero .drg-hero__title-wrap::before {
  content: "分";
  font-size: clamp(64px, 12vw, 108px);
}

body.page-perf {
  --accent: #c084fc;
  --accent-dim: rgba(192, 132, 252, 0.14);
  --accent-glow: rgba(192, 132, 252, 0.38);
  --border: rgba(192, 132, 252, 0.22);
}

body.page-bigdata {
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.14);
  --accent-glow: rgba(56, 189, 248, 0.4);
  --border: rgba(56, 189, 248, 0.22);
}

body.page-gk {
  --accent: #fb7185;
  --accent-dim: rgba(251, 113, 133, 0.14);
  --accent-glow: rgba(251, 113, 133, 0.38);
  --border: rgba(251, 113, 133, 0.22);
}

body.page-gk .gk-hero .drg-hero__title-wrap::before {
  content: "考";
  font-size: clamp(64px, 12vw, 108px);
}

body.page-hq {
  --accent: #10b981;
  --accent-dim: rgba(16, 185, 129, 0.14);
  --accent-glow: rgba(16, 185, 129, 0.38);
  --border: rgba(16, 185, 129, 0.22);
}

body.page-hq .hq-hero .drg-hero__title-wrap::before {
  content: "质";
  font-size: clamp(64px, 12vw, 108px);
}

body.page-sm {
  --accent: #14b8a6;
  --accent-dim: rgba(20, 184, 166, 0.14);
  --accent-glow: rgba(20, 184, 166, 0.36);
  --border: rgba(20, 184, 166, 0.22);
}

body.page-sm .sm-hero .drg-hero__title-wrap::before {
  content: "改";
  font-size: clamp(64px, 12vw, 108px);
}

.hq-source-strip {
  margin: 0 0 22px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.hq-source-strip__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.hq-source-strip__list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

.hq-source-strip__list a {
  word-break: break-all;
}

.hq-source-refs {
  margin: 0;
  padding-left: 1.25em;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.hq-source-refs__item {
  margin-bottom: 18px;
}

.hq-source-refs__item:last-child {
  margin-bottom: 0;
}

.hq-source-refs__name {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 600;
}

.hq-source-refs__url {
  display: inline-block;
  font-size: 12px;
  font-family: var(--font-mono, ui-monospace, monospace);
  word-break: break-all;
}

body.page-insight {
  --accent: #2dd4bf;
  --accent-dim: rgba(45, 212, 191, 0.12);
  --accent-glow: rgba(45, 212, 191, 0.35);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* 背景网格 — 随主题色变化 */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  --grid-line: color-mix(in srgb, var(--accent) 14%, transparent);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, black 20%, transparent 70%);
  animation: gridPulse 14s ease-in-out infinite;
}

@keyframes gridPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.72;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-grid {
    animation: none;
  }
}

/* 扫描线微动效 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(
    transparent 50%,
    color-mix(in srgb, var(--accent) 3%, transparent) 50%
  );
  background-size: 100% 4px;
  opacity: 0.05;
  animation: scanMove 10s linear infinite;
}

@keyframes scanMove {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 0 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body::after {
    display: none;
  }
}

.bg-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  max-width: 900px;
  height: 420px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: max(var(--gutter-x), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter-x), env(safe-area-inset-right, 0px));
  width: 100%;
  box-sizing: border-box;
}

/* 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(6, 8, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition:
    box-shadow 0.28s var(--ease),
    background 0.28s var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.38);
  background: rgba(6, 8, 15, 0.93);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 12px;
  /* 顶栏单独放宽，减轻多链接与品牌区横向挤压（正文仍可用 .wrap 保持 var(--maxw)） */
  max-width: min(1420px, 100%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--accent-dim);
}

.brand__text {
  display: block;
  white-space: nowrap;
  font-size: 15px;
  line-height: 1.2;
  min-width: 0;
}

.brand__text small {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

/* 导航 */
.nav-toggle {
  display: none;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  margin-right: max(0px, env(safe-area-inset-right, 0px));
  touch-action: manipulation;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  min-width: 0;
  justify-content: flex-end;
}

.nav a {
  display: block;
  padding: 7px 9px;
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
  background: var(--accent-dim);
  text-decoration: none;
}

@media (min-width: 1400px) {
  .nav a {
    font-size: 14px;
    padding: 8px 11px;
  }
}

@media (max-width: 1200px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6, 8, 15, 0.97);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease);
  }

  .nav.is-open {
    max-height: min(100vh, 100dvh);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding-bottom: max(24px, env(safe-area-inset-bottom, 0px));
  }

  .nav a {
    padding: 16px max(20px, env(safe-area-inset-right, 0px)) 16px max(20px, env(safe-area-inset-left, 0px));
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    min-height: 48px;
    display: flex;
    align-items: center;
    white-space: normal;
    line-height: 1.35;
    font-size: 16px;
  }
}

/* 通用区块 */
main {
  padding-bottom: max(64px, env(safe-area-inset-bottom, 0px));
}

/* 首页：顶栏 / 主内容 / 联系区 / 页脚统一加宽左右安全区（减轻贴边与 3D 阴影外扩观感） */
body.page-home {
  --home-gutter-boost: 6px;
}

@media (max-width: 640px) {
  body.page-home {
    --home-gutter-boost: 14px;
  }
}

@media (max-width: 480px) {
  body.page-home {
    --home-gutter-boost: 18px;
  }
}

.page-home main,
.page-home .site-header,
.page-home .footer-contact-section,
.page-home .site-footer {
  box-sizing: border-box;
  padding-left: max(
    calc(var(--gutter-x) + var(--home-gutter-boost)),
    env(safe-area-inset-left, 0px)
  );
  padding-right: max(
    calc(var(--gutter-x) + var(--home-gutter-boost)),
    env(safe-area-inset-right, 0px)
  );
}

.page-home main {
  min-width: 0;
  overflow-x: clip;
}

.page-home main .wrap,
.page-home .site-header .wrap,
.page-home .footer-contact-section > .wrap,
.page-home .site-footer .wrap {
  padding-left: 0;
  padding-right: 0;
}

#main {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section {
  padding: 56px 0;
}

.section--tight {
  padding: 32px 0;
}

@media (max-width: 640px) {
  .page-home .section {
    padding: 40px 0;
  }

  .page-home .section--tight {
    padding: 28px 0;
  }

  .page-home .section__lead {
    margin-bottom: 20px;
  }
}

.section__title {
  font-size: clamp(22px, 3vw, 28px);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.section__lead {
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 0 28px;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 10px;
}

/* Hero */
.hero {
  padding: 48px 0 40px;
  text-align: center;
  min-width: 0;
  overflow-x: clip;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  overflow-wrap: break-word;
}

.page-home .hero h1 {
  transform: perspective(900px) translateZ(0);
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--accent) 40%, transparent),
    0 3px 8px rgba(0, 0, 0, 0.55),
    0 10px 40px color-mix(in srgb, var(--accent) 25%, transparent),
    0 28px 72px rgba(0, 0, 0, 0.38);
}

@media (hover: hover) {
  .page-home .hero h1 {
    transition:
      transform 0.65s var(--ease),
      text-shadow 0.65s var(--ease);
  }

  .page-home .hero:hover h1 {
    transform: perspective(900px) translateZ(16px) rotateX(3deg);
    text-shadow:
      0 2px 0 color-mix(in srgb, var(--accent) 45%, transparent),
      0 6px 16px rgba(0, 0, 0, 0.5),
      0 16px 56px color-mix(in srgb, var(--accent) 32%, transparent),
      0 36px 88px rgba(0, 0, 0, 0.42);
  }
}

@media (max-width: 640px) {
  .hero__break {
    display: none;
  }

  .page-home .hero {
    padding: 32px 0 28px;
  }
}

.hero__sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 28px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (max-width: 640px) {
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
    max-width: 100%;
  }

  .hero__cta .btn {
    width: 100%;
    max-width: 100%;
  }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.2s, background 0.2s;
  text-decoration: none;
  touch-action: manipulation;
}

.btn--primary {
  background: linear-gradient(135deg, #00d4aa, #00a88a);
  color: #04120e;
  box-shadow: 0 8px 28px rgba(0, 212, 170, 0.25);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

@media (hover: hover) {
  .btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
  }

  .btn--primary:hover {
    color: #04120e;
  }

  .btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
}

/* 流程条 */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 8px;
}

@media (max-width: 1024px) {
  .flow {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 481px) and (max-width: 1024px) {
  .page-home .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 专题页流程：步数自适应列宽 */
.flow--adapt {
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

@media (max-width: 480px) {
  .flow--adapt {
    grid-template-columns: 1fr;
  }
}

.process-section {
  margin: 0 0 8px;
  padding: 8px 0 0;
}

.process-section .section__title {
  font-size: clamp(20px, 2.6vw, 26px);
  margin-bottom: 8px;
}

.flow__step {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    border-color 0.25s var(--ease),
    box-shadow 0.35s var(--ease),
    transform 0.35s var(--ease);
}

@media (hover: hover) {
  .flow__step:hover {
    border-color: color-mix(in srgb, var(--accent) 50%, transparent);
    box-shadow:
      0 0 0 1px var(--accent-dim),
      0 18px 40px rgba(0, 0, 0, 0.35),
      -6px 12px 28px color-mix(in srgb, var(--accent) 8%, transparent);
    transform: perspective(900px) translateZ(20px) translateY(-5px) rotateX(5deg);
  }
}

.flow__step span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 6px;
}

.flow__step strong {
  font-size: 14px;
}

/* 卡片网格 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 18px;
  perspective: var(--perspective);
  perspective-origin: 50% 40%;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    transform 0.45s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.45s var(--ease);
}

.page-home .cards .card {
  --rx: 0deg;
  --ry: 0deg;
  transition:
    transform 0.14s ease-out,
    border-color 0.3s var(--ease),
    box-shadow 0.35s var(--ease);
}

@media (hover: hover) {
  .card:hover {
    border-color: rgba(0, 212, 170, 0.48);
    transform: perspective(1000px) var(--tilt-lift) var(--tilt-rotate);
    box-shadow:
      0 32px 64px rgba(0, 0, 0, 0.48),
      0 0 0 1px color-mix(in srgb, var(--accent) 32%, transparent),
      -16px 22px 44px color-mix(in srgb, var(--accent) 14%, transparent),
      inset 0 1px 0 color-mix(in srgb, var(--accent) 12%, transparent);
  }

  .page-home .cards .card:hover {
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(32px) translateY(-10px);
    box-shadow:
      0 36px 72px rgba(0, 0, 0, 0.5),
      0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent),
      -18px 26px 52px color-mix(in srgb, var(--accent) 16%, transparent),
      inset 0 1px 0 color-mix(in srgb, var(--accent) 15%, transparent);
  }
}

.card h3 {
  margin: 0;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  flex: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-mono);
}

/* 首页 · 环形能力总览（仿 HUD：中央环形标签 + 左右联动文案） */
.orbit-hub {
  position: relative;
  margin-top: 28px;
  padding: clamp(22px, 4vw, 36px);
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    linear-gradient(165deg, color-mix(in srgb, var(--bg-panel) 92%, #070a12) 0%, var(--bg-panel) 45%, #06080f 100%);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--accent) 8%, transparent) inset,
    0 28px 64px rgba(0, 0, 0, 0.42);
  overflow: hidden;
  isolation: isolate;
}

.orbit-hub::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.orbit-hub__system-label {
  position: relative;
  z-index: 1;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: center;
}

.orbit-hub__system-label span:last-child {
  display: block;
  margin-top: 6px;
  font-family: var(--font-sans, system-ui, sans-serif);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text);
}

.orbit-hub__layout {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2.5vw, 28px);
  min-width: 0;
}

.orbit-hub__col {
  flex: 1 1 0;
  min-width: 0;
}

.orbit-hub__col--mid {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.orbit-hub__stack {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.5vw, 26px);
}

.orbit-hub__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 0;
  transition:
    opacity 0.32s var(--ease),
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.orbit-hub__col--left .orbit-hub__item {
  align-items: flex-start;
  text-align: left;
}

.orbit-hub__col--right .orbit-hub__item {
  align-items: flex-end;
  text-align: right;
}

.orbit-hub__item-line {
  display: block;
  width: min(120px, 100%);
  height: 1px;
  margin-bottom: 2px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 65%, transparent));
  transform: scaleX(0.35);
  transform-origin: left center;
  opacity: 0.55;
  transition:
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.45s var(--ease);
}

.orbit-hub__col--right .orbit-hub__item-line {
  transform-origin: right center;
  background: linear-gradient(270deg, transparent, color-mix(in srgb, var(--accent) 65%, transparent));
}

.orbit-hub--reveal .orbit-hub__item-line {
  transform: scaleX(1);
  opacity: 1;
}

.orbit-hub__item-title {
  margin: 0;
  font-size: clamp(14px, 1.35vw, 16px);
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--text);
}

.orbit-hub__item-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 38ch;
}

.orbit-hub__col--right .orbit-hub__item-text {
  margin-left: auto;
}

.orbit-hub__item--leave {
  opacity: 0;
  transform: translateX(-14px);
}

.orbit-hub__col--right .orbit-hub__item--leave {
  transform: translateX(14px);
}

.orbit-hub--reveal .orbit-hub__item {
  animation: orbitHubIn 0.52s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.orbit-hub--reveal .orbit-hub__col--left .orbit-hub__item:nth-child(1) {
  animation-delay: 0.04s;
}

.orbit-hub--reveal .orbit-hub__col--left .orbit-hub__item:nth-child(2) {
  animation-delay: 0.1s;
}

.orbit-hub--reveal .orbit-hub__col--right .orbit-hub__item:nth-child(1) {
  animation-delay: 0.07s;
}

.orbit-hub--reveal .orbit-hub__col--right .orbit-hub__item:nth-child(2) {
  animation-delay: 0.14s;
}

@keyframes orbitHubIn {
  from {
    opacity: 0;
    transform: translateX(var(--orbit-hub-shift, -18px));
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.orbit-hub__col--right .orbit-hub__item {
  --orbit-hub-shift: 18px;
}

.orbit-hub__disc {
  position: relative;
  width: min(72vw, 380px);
  height: min(72vw, 380px);
  max-width: 100%;
  border-radius: 50%;
  flex-shrink: 0;
}

.orbit-hub__disc-grid {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 62%, rgba(255, 255, 255, 0.04) 63%, transparent 64%),
    repeating-conic-gradient(from 0deg, transparent 0deg 8deg, rgba(255, 255, 255, 0.02) 8deg 9deg);
  opacity: 0.5;
  pointer-events: none;
}

.orbit-hub__disc-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  box-shadow: 0 0 42px color-mix(in srgb, var(--accent) 12%, transparent);
}

.orbit-hub__disc-ring--outer {
  inset: 0;
  opacity: 0.85;
}

.orbit-hub__disc-ring--inner {
  inset: 14%;
  border-color: color-mix(in srgb, var(--accent) 12%, var(--border));
  box-shadow: none;
  opacity: 0.7;
}

.orbit-hub__core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 19%;
  height: 19%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--accent) 35%, #0c101c), #06080f 70%);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  box-shadow:
    0 0 28px color-mix(in srgb, var(--accent) 25%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--accent) 20%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.orbit-hub__core-dot {
  width: 22%;
  height: 22%;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.orbit-hub__core-pulse {
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  animation: orbitCorePulse 2.8s ease-in-out infinite;
  opacity: 0.45;
}

@keyframes orbitCorePulse {
  0%,
  100% {
    transform: scale(0.92);
    opacity: 0.35;
  }

  50% {
    transform: scale(1.06);
    opacity: 0.65;
  }
}

.orbit-hub__node {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7.2em;
  margin-left: -3.6em;
  margin-top: -0.65em;
  padding: 6px 8px;
  border: none;
  background: transparent;
  font-size: clamp(12px, 2.8vw, 14px);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--text) 78%, var(--text-muted));
  cursor: pointer;
  text-align: center;
  line-height: 1.25;
  transition:
    color 0.22s var(--ease),
    text-shadow 0.28s var(--ease),
    transform 0.22s var(--ease);
  -webkit-tap-highlight-color: transparent;
}

/* 半径：按圆尺寸比例（略小于外环）；双旋转保持文字正向 */
.orbit-hub__node:nth-child(4),
.orbit-hub__node:nth-child(5),
.orbit-hub__node:nth-child(6),
.orbit-hub__node:nth-child(7),
.orbit-hub__node:nth-child(8) {
  transform: rotate(var(--orbit-a, 0deg)) translateY(calc(-1 * var(--orbit-r))) rotate(calc(-1 * var(--orbit-a, 0deg)));
}

.orbit-hub__node:nth-child(4) {
  --orbit-a: -90deg;
}

.orbit-hub__node:nth-child(5) {
  --orbit-a: -18deg;
}

.orbit-hub__node:nth-child(6) {
  --orbit-a: 54deg;
}

.orbit-hub__node:nth-child(7) {
  --orbit-a: 126deg;
}

.orbit-hub__node:nth-child(8) {
  --orbit-a: 198deg;
}

.orbit-hub__disc {
  --orbit-r: min(34vw, 168px);
}

@media (min-width: 1100px) {
  .orbit-hub__disc {
    --orbit-r: 174px;
  }
}

@media (max-width: 520px) {
  .orbit-hub__disc {
    --orbit-r: min(36vw, 142px);
  }

  .orbit-hub__node {
    width: 6.4em;
    margin-left: -3.2em;
    font-size: 11px;
  }
}

@media (hover: hover) {
  .orbit-hub__node:hover {
    color: var(--text);
    text-shadow: 0 0 20px color-mix(in srgb, var(--accent) 45%, transparent);
  }
}

.orbit-hub__node:focus-visible {
  color: var(--accent);
  outline: none;
  text-shadow: 0 0 18px color-mix(in srgb, var(--accent) 40%, transparent);
}

.orbit-hub__node.is-active {
  color: var(--accent);
  text-shadow:
    0 0 22px color-mix(in srgb, var(--accent) 55%, transparent),
    0 0 40px color-mix(in srgb, var(--accent) 22%, transparent);
}

.orbit-hub__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 14px;
  margin: 22px 0 0;
}

@media (max-width: 480px) {
  .orbit-hub__links .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .orbit-hub__layout {
    flex-direction: column;
    align-items: stretch;
  }

  .orbit-hub__col--mid {
    order: -1;
    margin: 8px 0 12px;
  }

  .orbit-hub__disc {
    width: min(88vw, 360px);
    height: min(88vw, 360px);
    margin: 0 auto;
  }

  .orbit-hub__col--right .orbit-hub__item {
    align-items: flex-start;
    text-align: left;
  }

  .orbit-hub__col--right .orbit-hub__item-text {
    margin-left: 0;
  }

  .orbit-hub__col--right .orbit-hub__item-line {
    transform-origin: left center;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 65%, transparent));
  }
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  padding: 16px 0 0;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* 产品页布局 + 目录 */
.page-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start;
  padding-top: 8px;
  min-width: 0;
}

@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-left-color: color-mix(in srgb, var(--accent) 65%, transparent);
  border-radius: var(--radius);
  padding: 16px;
}

@media (max-width: 1024px) {
  .toc {
    position: relative;
    top: auto;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px;
    -webkit-overflow-scrolling: touch;
  }
}

.toc__title {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent);
  margin: 0 0 12px;
  letter-spacing: 0.08em;
}

@media (max-width: 1024px) {
  .toc__title {
    display: none;
  }
}

.toc a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .toc a {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    min-height: 44px;
    box-sizing: border-box;
  }
}

.toc a:hover,
.toc a.is-active {
  background: var(--accent-dim);
  color: var(--text);
  text-decoration: none;
}

.article {
  min-width: 0;
  overflow-wrap: break-word;
}

.article h2 {
  font-size: 22px;
  margin: 36px 0 14px;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.article h2:first-child {
  margin-top: 0;
}

.article p {
  color: var(--text-muted);
  margin: 0 0 14px;
}

.article ul {
  color: var(--text-muted);
  margin: 0 0 14px;
}

/* 数据标签 */
.data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.data-tag {
  font-size: 12px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
}

.data-tag span {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

/* Tab */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 20px;
}

.tab {
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-muted);
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  touch-action: manipulation;
  min-height: 44px;
  box-sizing: border-box;
}

@media (hover: hover) {
  .tab:hover {
    color: var(--text);
  }
}

.tab.is-active {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-dim);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.35s var(--ease);
}

.tab-panel.is-active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 相关链接 */
.related {
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 28px;
}

.related p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--text);
}

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

/* 关于 / 联系 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 800px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.panel h2 {
  margin-top: 0;
}

.contact-card {
  font-size: 16px;
}

.contact-card strong {
  color: var(--accent);
}

.form label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 12px 0 6px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

.form button {
  margin-top: 16px;
}

#contact-form {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* 联系方式 — 位于 footer 上方、独立区块（全宽底纹 + 与正文同宽大容器） */
.footer-contact-section {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 48px 0 40px;
  border-top: 1px solid var(--border);
  box-sizing: border-box;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 8, 15, 0.35) 100%);
}

.footer-contact-section > .wrap {
  display: block;
  width: 100%;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .footer-contact-section {
    padding: 36px 0 32px;
    /* 与 .wrap 同 gutter，避免底纹全宽时视觉贴边 */
    padding-left: max(var(--gutter-x), env(safe-area-inset-left, 0px));
    padding-right: max(var(--gutter-x), env(safe-area-inset-right, 0px));
  }

  .footer-contact-section > .wrap {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 800px) {
  .footer-contact-section {
    padding-top: 32px;
    padding-bottom: 28px;
  }
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 max(40px, calc(24px + env(safe-area-inset-bottom, 0px)));
  background: rgba(6, 8, 15, 0.95);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 28px;
}

@media (max-width: 800px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.site-footer h4 {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: var(--text-muted);
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-brand {
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-contact__panel {
  position: relative;
  display: grid;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  gap: 28px;
  align-items: center;
  margin: 0;
  padding: clamp(22px, 4vw, 34px) clamp(20px, 4vw, 36px);
  border-radius: 18px;
  box-sizing: border-box;
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--accent) 8%, var(--bg-panel)) 0%,
    var(--bg-panel) 48%,
    color-mix(in srgb, var(--accent) 4%, #0a0e18) 100%
  );
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--accent) 12%, transparent) inset,
    0 28px 56px rgba(0, 0, 0, 0.42);
  overflow: hidden;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    transform 0.45s var(--ease),
    border-color 0.35s var(--ease),
    box-shadow 0.45s var(--ease);
}

@media (hover: hover) {
  .footer-contact__panel:hover {
    transform: perspective(1200px) translateZ(20px) translateY(-4px) rotateX(3deg);
    border-color: color-mix(in srgb, var(--accent) 42%, transparent);
    box-shadow:
      0 1px 0 color-mix(in srgb, var(--accent) 14%, transparent) inset,
      0 40px 80px rgba(0, 0, 0, 0.48),
      0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
      -14px 20px 48px color-mix(in srgb, var(--accent) 12%, transparent);
  }
}

.footer-contact__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.55;
  pointer-events: none;
}

.footer-contact__panel::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  bottom: -100px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent), transparent 68%);
  pointer-events: none;
}

.footer-contact__head {
  min-width: 0;
}

@media (min-width: 1024px) {
  .footer-contact__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 40px;
    align-items: center;
  }
}

.footer-contact__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 6px;
}

.footer-contact__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.footer-contact__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 38em;
}

.footer-contact__cards {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 899px) {
  .footer-contact__cards {
    grid-template-columns: 1fr;
  }
}

.footer-contact__item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 88px;
  padding: 16px 18px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-deep) 65%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.22s var(--ease),
    box-shadow 0.22s var(--ease),
    transform 0.22s var(--ease);
}

.footer-contact__item-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.92;
}

.footer-contact__item-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

a.footer-contact__item {
  cursor: pointer;
  touch-action: manipulation;
}

@media (hover: hover) {
  a.footer-contact__item:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    box-shadow: 0 0 0 1px var(--accent-dim), 0 16px 40px color-mix(in srgb, var(--accent) 8%, transparent);
    transform: translateY(-2px);
    text-decoration: none;
  }

  a.footer-contact__item:hover .footer-contact__item-value {
    color: var(--accent);
  }
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* 工具 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center {
  text-align: center;
}

/* 深度正文：表格与提要 */
.table-wrap {
  overflow-x: auto;
  margin: 16px 0 24px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--bg-elevated);
  color: var(--accent);
  font-weight: 600;
}

.data-table td {
  color: var(--text-muted);
}

.callout {
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  margin: 20px 0;
  background: var(--accent-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--text-muted);
}

.callout strong {
  color: var(--text);
}

.subsection-title {
  font-size: 17px;
  margin: 24px 0 10px;
  color: var(--text);
}

.detail-list {
  margin: 0 0 16px;
  padding-left: 1.2em;
  color: var(--text-muted);
}

.detail-list li {
  margin-bottom: 10px;
}

.detail-list li strong {
  color: var(--text);
}

/* —— 滚动显现 —— */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease);
}

.reveal.is-revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 首页 Hero 光晕动画 */
.hero--animated .bg-glow-local {
  position: absolute;
  left: 50%;
  top: 40%;
  width: min(90%, 720px);
  height: 280px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 68%);
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
  0%,
  100% {
    opacity: 0.45;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.75;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero--animated .bg-glow-local {
    animation: none;
    opacity: 0.5;
  }
}

/* 数据条带：关键指标 */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 24px 0;
  perspective: var(--perspective);
  perspective-origin: 50% 80%;
}

@media (max-width: 1024px) {
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-strip {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    border-color 0.28s var(--ease),
    box-shadow 0.4s var(--ease),
    transform 0.4s var(--ease);
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.85;
}

@media (hover: hover) {
  .stat-card:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    transform: perspective(1000px) translateY(-8px) translateZ(26px) rotateX(6deg) rotateY(-7deg);
    box-shadow:
      0 22px 52px rgba(0, 0, 0, 0.4),
      0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
      -10px 14px 36px color-mix(in srgb, var(--accent) 12%, transparent);
  }
}

.stat-card__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.stat-card__label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  overflow-wrap: break-word;
}

/* 图表区 */
.charts-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-top: 8px;
  perspective: var(--perspective);
  perspective-origin: 50% 50%;
}

@media (max-width: 1024px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .charts-row {
    gap: 14px;
  }
}

.chart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  min-height: 260px;
  position: relative;
  min-width: 0;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    transform 0.42s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.42s var(--ease);
}

@media (hover: hover) {
  .chart-card:hover {
    border-color: color-mix(in srgb, var(--accent) 38%, transparent);
    transform: perspective(1000px) var(--tilt-chart);
    box-shadow:
      0 28px 56px rgba(0, 0, 0, 0.42),
      0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent),
      -12px 18px 40px color-mix(in srgb, var(--accent) 10%, transparent),
      inset 0 1px 0 color-mix(in srgb, var(--accent) 10%, transparent);
  }
}

.chart-card__title {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--accent);
  margin: 0 0 12px;
  letter-spacing: 0.06em;
}

.chart-card__canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 220px;
  overflow: hidden;
}

.chart-card__canvas-wrap canvas {
  display: block;
  max-width: 100%;
}

.chart-card canvas {
  max-height: 220px;
}

.chart-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 12px;
  opacity: 0.85;
  overflow-wrap: break-word;
}

@media (max-width: 480px) {
  .chart-card {
    padding: 16px;
    min-height: 0;
  }

  .chart-card__canvas-wrap {
    height: 200px;
  }
}

/* 政策绩效页 · 工资汇总驾驶舱 */
.perf-cockpit {
  scroll-margin-top: calc(var(--header-h) + 16px);
  margin: 0 0 36px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  background:
    radial-gradient(ellipse 90% 55% at 50% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-panel) 88%, #070a12), var(--bg-panel));
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--accent) 10%, transparent) inset,
    0 24px 56px rgba(0, 0, 0, 0.38);
  perspective: var(--perspective);
  perspective-origin: 50% 30%;
}

.perf-cockpit__head {
  margin-bottom: clamp(18px, 2.5vw, 24px);
}

.perf-cockpit__head-row {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
  align-items: center;
  gap: 12px 16px;
}

@media (max-width: 720px) {
  .perf-cockpit__head-row {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .perf-cockpit__clock {
    justify-content: center;
  }
}

.perf-cockpit__select {
  appearance: none;
  padding: 8px 32px 8px 12px;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-elevated)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b9cb3' d='M3 4.5 6 8l3-3.5'/%3E%3C/svg%3E")
    no-repeat right 10px center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: default;
  opacity: 0.92;
}

.perf-cockpit__period-static {
  display: inline-block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  opacity: 0.92;
}

.perf-cockpit__title {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.25;
  background: linear-gradient(92deg, var(--accent), #e8edf5 55%, color-mix(in srgb, var(--accent) 65%, #e8edf5));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.perf-cockpit__clock {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: color-mix(in srgb, var(--accent) 55%, var(--text-muted));
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.perf-cockpit__clock-label {
  color: var(--text-muted);
}

.perf-cockpit__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  text-align: center;
  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
}

.perf-cockpit__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
}

@media (max-width: 1100px) {
  .perf-cockpit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .perf-cockpit__grid {
    grid-template-columns: 1fr;
  }
}

.perf-cockpit__card {
  min-width: 0;
  padding: 16px 16px 14px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  background: color-mix(in srgb, var(--bg-panel) 92%, #05070d);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--accent) 8%, transparent) inset,
    0 12px 32px rgba(0, 0, 0, 0.28);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    transform 0.4s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.4s var(--ease);
}

@media (hover: hover) {
  .perf-cockpit__card:hover {
    border-color: color-mix(in srgb, var(--accent) 38%, transparent);
    transform: perspective(1000px) translateY(-6px) translateZ(18px) rotateX(4deg) rotateY(-4deg);
    box-shadow:
      0 22px 48px rgba(0, 0, 0, 0.4),
      0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
      -8px 14px 32px color-mix(in srgb, var(--accent) 10%, transparent);
  }
}

.perf-cockpit__card-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--text);
}

.perf-cockpit__chart {
  position: relative;
  height: min(240px, 42vw);
  min-height: 200px;
}

@media (max-width: 600px) {
  .perf-cockpit__chart {
    height: 220px;
    min-height: 200px;
  }
}

.perf-cockpit__chart canvas {
  display: block;
  max-height: 100%;
}

/* 运营决策大数据页 · 运营看板节选（深色主题适配原浅色大屏信息结构） */
.ops-dash {
  scroll-margin-top: calc(var(--header-h) + 16px);
  margin: 0 0 40px;
}

.ops-dash__intro-lead {
  max-width: 52em;
}

.ops-dash__panel {
  padding: clamp(18px, 2.5vw, 24px);
  margin-bottom: 20px;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
  background: color-mix(in srgb, var(--bg-panel) 94%, #05070d);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.ops-dash__panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.ops-dash__h {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.ops-dash__muted {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.ops-dash__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.ops-dash__range {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
}

.ops-dash__btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.ops-dash__kpis {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 1100px) {
  .ops-dash__kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ops-dash__kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 400px) {
  .ops-dash__kpis {
    grid-template-columns: 1fr;
  }
}

.ops-kpi {
  position: relative;
  padding: 14px 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  min-width: 0;
  transition:
    border-color 0.25s var(--ease),
    box-shadow 0.3s var(--ease),
    transform 0.3s var(--ease);
}

@media (hover: hover) {
  .ops-kpi:hover {
    border-color: color-mix(in srgb, var(--accent) 32%, transparent);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
  }
}

.ops-kpi__accent {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 12px 0 0 12px;
}

.ops-kpi__accent--blue {
  background: linear-gradient(180deg, #3b82f6, #1d4ed8);
}

.ops-kpi__accent--teal {
  background: linear-gradient(180deg, #2dd4bf, #0d9488);
}

.ops-kpi__accent--amber {
  background: linear-gradient(180deg, #fbbf24, #d97706);
}

.ops-kpi__accent--green {
  background: linear-gradient(180deg, #4ade80, #16a34a);
}

.ops-kpi__accent--purple {
  background: linear-gradient(180deg, #a78bfa, var(--accent));
}

.ops-kpi__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
}

.ops-kpi__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.ops-kpi__sub {
  margin: 8px 0 0;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.45;
}

.ops-kpi__sub strong {
  color: var(--text);
  font-weight: 600;
}

.ops-kpi__trend {
  margin: 8px 0 0;
  font-size: 11px;
  font-family: var(--font-mono);
}

.ops-kpi__trend--up {
  color: #4ade80;
}

.ops-kpi__trend--down {
  color: #fb7185;
}

.ops-dash__alerts {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.ops-alert {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.55;
  border: 1px solid var(--border);
}

.ops-alert strong {
  font-weight: 700;
  margin-right: 6px;
}

.ops-alert--warn {
  background: color-mix(in srgb, #fbbf24 12%, var(--bg-elevated));
  border-color: color-mix(in srgb, #fbbf24 35%, transparent);
  color: color-mix(in srgb, var(--text) 92%, #fbbf24);
}

.ops-alert--info {
  background: color-mix(in srgb, var(--text-muted) 8%, var(--bg-elevated));
  color: var(--text-muted);
}

.ops-dash__charts2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .ops-dash__charts2 {
    grid-template-columns: 1fr;
  }
}

.ops-dash__chart-card {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-deep) 35%, var(--bg-panel));
  min-width: 0;
}

.ops-dash__chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.ops-dash__chart-title {
  margin: 0;
  font-size: 13px;
  font-weight: 650;
  color: var(--text);
}

.ops-dash__toggle {
  display: inline-flex;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.ops-dash__toggle button {
  margin: 0;
  padding: 6px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  border: none;
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: default;
}

.ops-dash__toggle button.is-active {
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-elevated));
  color: var(--accent);
}

.ops-dash__chart-h {
  position: relative;
  height: 220px;
}

.ops-dash__chart-h--rose {
  height: 260px;
}

.ops-dash__grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 900px) {
  .ops-dash__grid2 {
    grid-template-columns: 1fr;
  }
}

.ops-dash__panel--chart {
  min-width: 0;
}

.ops-dash__progress-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 800px) {
  .ops-dash__progress-row {
    grid-template-columns: 1fr;
  }
}

.ops-prog-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.ops-prog-card__head strong {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
}

.ops-prog {
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 12%, transparent);
  overflow: hidden;
}

.ops-prog__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #22c55e, #4ade80);
  box-shadow: 0 0 12px color-mix(in srgb, #22c55e 40%, transparent);
}

.ops-prog__fill--wide {
  background: linear-gradient(90deg, #2dd4bf, #4ade80);
}

.ops-dash__table-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.ops-dash__pill {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--accent-dim);
  color: var(--accent);
}

.ops-dash__pill--ghost {
  background: transparent;
  color: var(--text-muted);
}

.ops-dash__pill--ok {
  border-color: color-mix(in srgb, #4ade80 40%, transparent);
  color: #4ade80;
  background: color-mix(in srgb, #4ade80 10%, transparent);
}

.ops-table-wrap {
  margin: 0 -4px;
  border-radius: 10px;
  border: 1px solid var(--border);
  max-height: 280px;
  overflow: auto;
}

.ops-table-wrap--wide {
  max-height: none;
}

.ops-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: var(--text-muted);
}

.ops-table th,
.ops-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.ops-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: color-mix(in srgb, var(--bg-deep) 40%, var(--bg-panel));
  position: sticky;
  top: 0;
  z-index: 1;
}

.ops-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.ops-table--dense th,
.ops-table--dense td {
  padding: 8px 10px;
  font-size: 11px;
}

.ops-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #38bdf8;
}

.ops-num-pos {
  color: #4ade80;
  font-family: var(--font-mono);
}

.ops-num-neg {
  color: #fb7185;
  font-family: var(--font-mono);
}

.ops-tag {
  display: inline-block;
  min-width: 28px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.ops-tag--a {
  background: color-mix(in srgb, #4ade80 18%, transparent);
  color: #4ade80;
}

.ops-tag--b {
  background: color-mix(in srgb, var(--text-muted) 12%, transparent);
  color: var(--text-muted);
}

.ops-precalc__lead {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.ops-precalc__big {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}

.ops-precalc__big small {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.ops-precalc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ops-precalc__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  color: var(--text-muted);
}

.ops-precalc__list strong {
  font-family: var(--font-mono);
  color: var(--text);
  white-space: nowrap;
}

.ops-precalc__hr {
  margin: 14px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.ops-precalc__highlight {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  color: #38bdf8;
}

.ops-precalc__highlight small {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

/* 产品页：可视化条带 */
.product-viz-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 24px;
  align-items: stretch;
  margin: 8px 0 32px;
  perspective: var(--perspective);
  perspective-origin: 50% 40%;
}

@media (max-width: 1024px) {
  .product-viz-band {
    grid-template-columns: 1fr;
  }
}

.mini-viz {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition:
    transform 0.42s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.42s var(--ease);
}

@media (hover: hover) {
  .mini-viz:hover {
    border-color: color-mix(in srgb, var(--accent) 36%, transparent);
    transform: perspective(1000px) var(--tilt-soft);
    box-shadow:
      0 24px 52px rgba(0, 0, 0, 0.4),
      0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
      -10px 16px 36px color-mix(in srgb, var(--accent) 10%, transparent),
      inset 0 1px 0 color-mix(in srgb, var(--accent) 8%, transparent);
  }
}

.mini-viz__title {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent);
  margin: 0;
  letter-spacing: 0.08em;
}

.mini-viz__bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
  padding-top: 8px;
}

.mini-viz__bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 35%, #0c101b));
  min-height: 8px;
  transform-origin: bottom;
  animation: barGrow 1s var(--ease) both;
  animation-delay: var(--d, 0s);
}

@keyframes barGrow {
  from {
    transform: scaleY(0.15);
    opacity: 0.5;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mini-viz__bar {
    animation: none;
  }
}

.mini-viz__labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.mini-viz__cap {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* 产品页顶标 */
.product-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--accent-dim);
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

/* 按钮微光 */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  animation: btnShine 4.5s ease-in-out infinite;
}

@keyframes btnShine {
  0%,
  70% {
    transform: translateX(-100%);
  }
  85% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn--primary::after {
    display: none;
  }
}

/* —— 全站交互增强：跳过导航、返回顶部、阅读进度、焦点环 —— */
.skip-link {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 10001;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 700;
  color: #04120e;
  background: var(--accent);
  border-radius: 0 0 var(--radius) var(--radius);
  text-decoration: none;
  transform: translate(-50%, -120%);
  transition: transform 0.22s var(--ease);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.back-to-top {
  position: fixed;
  z-index: 96;
  right: max(18px, env(safe-area-inset-right, 0px));
  bottom: max(22px, calc(14px + env(safe-area-inset-bottom, 0px)));
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg-panel) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--accent);
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.92);
  transition:
    opacity 0.28s var(--ease),
    transform 0.28s var(--ease),
    visibility 0.28s,
    border-color 0.2s,
    background 0.2s;
  touch-action: manipulation;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top__icon {
  font-size: 20px;
  line-height: 1;
  font-weight: 700;
}

@media (hover: hover) {
  .back-to-top:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--text);
  }
}

.back-to-top:active {
  transform: translateY(0) scale(0.96);
}

.reading-progress {
  position: fixed;
  top: calc(var(--header-h) - 3px);
  left: 0;
  z-index: 99;
  width: 0;
  max-width: 100%;
  height: 3px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #7dd3c0));
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: width 0.12s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition:
      opacity 0.15s ease,
      visibility 0.15s ease;
    transform: none;
  }

  .back-to-top.is-visible {
    transform: none;
  }

  .reading-progress {
    transition: none;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.nav-toggle:focus-visible,
.back-to-top:focus-visible,
.skip-link:focus-visible {
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.98);
}

@media (hover: hover) {
  .btn:hover:active {
    transform: scale(0.97);
  }
}

.card:focus-within {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

@media (prefers-reduced-motion: reduce) {
  .cards,
  .stats-strip,
  .charts-row,
  .product-viz-band {
    perspective: none;
  }

  .card,
  .stat-card,
  .chart-card,
  .perf-cockpit__card,
  .ops-kpi,
  .drg-kpi,
  .orbit-hub__disc,
  .footer-contact__panel,
  .flow__step,
  .mini-viz {
    transform: none;
    transform-style: flat;
  }

  .orbit-hub--reveal .orbit-hub__item {
    animation: none;
  }

  .orbit-hub__core-pulse {
    animation: none;
    opacity: 0.35;
  }

  .orbit-hub__item,
  .orbit-hub__item-line {
    transition: opacity 0.15s var(--ease);
  }

  @media (hover: hover) {
    .card:hover,
    .stat-card:hover,
    .chart-card:hover,
    .perf-cockpit__card:hover,
    .ops-kpi:hover,
    .drg-kpi:hover,
    .flow__step:hover,
    .mini-viz:hover {
      transform: translateY(-3px);
    }

    .footer-contact__panel:hover {
      transform: translateY(-2px);
    }

    .page-home .cards .card:hover {
      transform: translateY(-4px);
    }

    .page-home .hero:hover h1 {
      transform: none;
    }
  }

  .page-home .hero h1 {
    transform: none;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
  }
}