/* =========================================================
   羽嘉科技 · 天盾工程 官网 · 全局样式
   Style: Tactical HUD / Cyberpunk Military
   ========================================================= */

:root {
  --bg-primary: #050810;
  --bg-secondary: #0A1224;
  --bg-card: #0F1A2F;
  --bg-overlay: rgba(10, 18, 36, 0.7);

  --accent-cyan: #00B4FF;
  --accent-cyan-soft: rgba(0, 180, 255, 0.15);
  --accent-green: #00FF94;
  --accent-green-soft: rgba(0, 255, 148, 0.15);
  --accent-amber: #FFB800;
  --accent-red: #FF3B5C;

  --text-primary: #E8F4FF;
  --text-secondary: #8FA8C0;
  --text-tertiary: #5A7A9A;

  --border-glow: rgba(0, 180, 255, 0.22);
  --border-soft: rgba(143, 168, 192, 0.12);

  --grid-line: rgba(0, 180, 255, 0.06);

  --font-display: 'Orbitron', 'Noto Sans SC', sans-serif;
  --font-tech: 'Rajdhani', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* 全局网格背景 ----------------------------------------------- */
.tech-grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* 扫描线遮罩 ------------------------------------------------- */
.scanlines::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 180, 255, 0.025) 0,
    rgba(0, 180, 255, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.6;
}

/* 鼠标光晕 --------------------------------------------------- */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  mix-blend-mode: screen;
  will-change: transform;
}

/* 字体工具类 ------------------------------------------------- */
.font-display { font-family: var(--font-display); letter-spacing: 0.04em; }
.font-tech    { font-family: var(--font-tech); letter-spacing: 0.02em; }
.font-mono    { font-family: var(--font-mono); }

/* HUD 角标 -------------------------------------------------- */
.hud-corners {
  position: relative;
}
.hud-corners::before,
.hud-corners::after,
.hud-corners > .hud-c-bl,
.hud-corners > .hud-c-br {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent-cyan);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
}
.hud-corners::before { top: -1px; left: -1px; border-top-width: 1.5px; border-left-width: 1.5px; }
.hud-corners::after  { top: -1px; right: -1px; border-top-width: 1.5px; border-right-width: 1.5px; }
.hud-corners > .hud-c-bl { bottom: -1px; left: -1px; border-bottom-width: 1.5px; border-left-width: 1.5px; }
.hud-corners > .hud-c-br { bottom: -1px; right: -1px; border-bottom-width: 1.5px; border-right-width: 1.5px; }

/* 玻璃卡片 --------------------------------------------------- */
.glass-card {
  background: linear-gradient(135deg, rgba(15, 26, 47, 0.78) 0%, rgba(10, 18, 36, 0.65) 100%);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}
.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 40px -10px rgba(0, 180, 255, 0.25), inset 0 0 0 1px rgba(0, 180, 255, 0.15);
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, transparent 60%, rgba(0, 180, 255, 0.04) 100%);
  pointer-events: none;
}

/* 渐变文本 --------------------------------------------------- */
.text-gradient-cyan {
  background: linear-gradient(135deg, #00B4FF 0%, #00FF94 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-gradient-tech {
  background: linear-gradient(180deg, #E8F4FF 0%, #00B4FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 主按钮 ----------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #050810;
  background: linear-gradient(135deg, #00B4FF 0%, #00FF94 100%);
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.btn-primary:hover {
  box-shadow: 0 0 32px rgba(0, 180, 255, 0.55);
}
.btn-primary:active { transform: translateY(1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-glow);
  cursor: pointer;
  position: relative;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.btn-ghost:hover {
  background: rgba(0, 180, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* 标签 / 徽章 ------------------------------------------------ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(0, 180, 255, 0.08);
  border: 1px solid var(--accent-cyan-soft);
  border-radius: 999px;
}
.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* 章节标题 --------------------------------------------------- */
.section-eyebrow {
  font-family: var(--font-tech);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: rgba(203, 213, 225, 0.88);
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.section-eyebrow::before {
  content: '';
  width: 1.25rem;
  height: 2px;
  background: rgba(148, 163, 184, 0.45);
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.22;
  letter-spacing: 0.01em;
}

/* 导航栏 ----------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  isolation: isolate;
  padding: 1rem 0;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease;
}
.site-nav.scrolled {
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-link {
  position: relative;
  font-family: var(--font-tech);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* 移动端菜单 ------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2147483645;
  background: rgba(5, 8, 16, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
  text-align: center;
}
.mobile-menu .site-logo-link {
  display: inline-flex;
  justify-content: center;
  margin-bottom: 0 !important;
  max-width: fit-content;
}
.mobile-menu .site-logo--menu {
  margin: 0 auto;
}
.mobile-menu .nav-link {
  font-size: 1.35rem;
  text-align: center;
  width: 100%;
  padding: 0.35rem 0.5rem;
  letter-spacing: 0.08em;
}
.mobile-menu .nav-link::after {
  display: none !important;
}
.mobile-menu .nav-link:hover,
.mobile-menu .nav-link.active {
  color: var(--accent-cyan);
}
.mobile-menu .lang-toggle {
  justify-content: center;
  margin-top: 0.5rem;
}
body.menu-open #nav-menu-fab {
  visibility: hidden !important;
  pointer-events: none !important;
}

/* 导航：默认显示汉堡按钮；仅「大屏 + 鼠标」桌面端隐藏 */
.site-nav .nav-desktop { display: none; }
#nav-menu-fab,
.site-menu-toggle,
.nav-menu-fab {
  display: flex !important;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0.75rem;
  left: calc(100vw - 3.5rem);
  right: auto;
  z-index: 2147483646;
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
  color: #67e8f9;
  background: rgba(5, 8, 16, 0.92);
  border: 1px solid rgba(103, 232, 249, 0.45);
  border-radius: 0.5rem;
  box-shadow: 0 0 14px rgba(0, 180, 255, 0.18);
  padding: 0;
  cursor: pointer;
  visibility: visible !important;
  opacity: 1 !important;
}
@media (max-width: 1279px) {
  .site-nav .nav-desktop { display: none !important; }
  .mobile-menu { display: flex !important; }
  .site-logo--nav {
    height: 2.75rem !important;
    max-width: min(12.5rem, 68vw) !important;
  }
  .site-logo-link { max-width: 70vw; }
}
@media (min-width: 1280px) {
  .site-nav .nav-desktop { display: flex !important; }
  #nav-menu-fab,
  .site-menu-toggle,
  .nav-menu-fab { display: none !important; }
  .mobile-menu { display: none !important; }
}
.site-nav__actions {
  position: relative;
  z-index: 55;
  flex-shrink: 0;
}
.site-menu-close {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
  color: #67e8f9;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}
.site-menu-toggle__bars {
  width: 1.35rem;
  height: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}
.site-menu-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: #67e8f9;
  border-radius: 1px;
}
.site-menu-close svg {
  width: 1.75rem;
  height: 1.75rem;
  stroke: #67e8f9;
}
body.menu-open {
  overflow: hidden;
  touch-action: none;
}
.lang-toggle {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
  outline: none;
}
.form-success-msg {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  transition: opacity 0.4s ease;
}
.form-success-msg.is-visible {
  display: flex;
}

/* 滚动渐入 --------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal-stagger.in-view > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.in-view > *:nth-child(7) { transition-delay: 0.65s; }
.reveal-stagger.in-view > *:nth-child(8) { transition-delay: 0.75s; }

/* 雷达扫描动画 ----------------------------------------------- */
.radar {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 560px;
  margin: 0 auto;
  overflow: visible;
  --radar-sweep: 0deg;
}
.radar-contacts {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}
.radar-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent-cyan-soft);
  border-radius: 50%;
}
.radar-ring.r2 { inset: 12%; }
.radar-ring.r3 { inset: 24%; }
.radar-ring.r4 { inset: 36%; }
.radar-ring.r5 { inset: 48%; }

.radar-axis {
  position: absolute;
  background: var(--accent-cyan-soft);
}
.radar-axis.h { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.radar-axis.v { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }

.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(0, 180, 255, 0) 0deg,
    rgba(0, 180, 255, 0) 270deg,
    rgba(0, 180, 255, 0.55) 358deg,
    rgba(0, 180, 255, 0.05) 360deg
  );
  transform: rotate(var(--radar-sweep, 0deg));
  mask-image: radial-gradient(circle, black 50%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle, black 50%, transparent 100%);
  will-change: transform;
  z-index: 2;
  pointer-events: none;
}

.radar-target {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  pointer-events: none;
  z-index: 4;
  opacity: 0.18;
  filter: saturate(0.55);
  transition: opacity 0.4s ease, filter 0.4s ease;
}
.radar-target.is-lit {
  opacity: 1;
  filter: saturate(1.1);
}
.radar-target.is-fade {
  opacity: 0.72;
  filter: saturate(0.92);
}
.radar-target.is-fade .radar-target__label {
  opacity: 0.92;
}
.radar-target__icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent-green);
}
.radar-target__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  filter: none;
  animation: none;
}
.radar-target.is-lit .radar-target__icon svg {
  filter: drop-shadow(0 0 5px currentColor);
}
.radar-target.is-lit .radar-target__icon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0.55;
  animation: blip-ring 1.6s ease-out infinite;
}
.radar-target__label {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.3rem 0.5rem;
  background: rgba(5, 8, 16, 0.92);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  width: max-content;
  max-width: 12.5rem;
  min-width: 4.5rem;
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.radar-target.is-lit .radar-target__label,
.radar-target.is-fade .radar-target__label {
  opacity: 1;
}
@keyframes blip-ring {
  0% { opacity: 0.85; transform: scale(0.35); }
  100% { opacity: 0; transform: scale(2.4); }
}
.radar-target__list {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-transform: uppercase;
  white-space: nowrap;
}
.radar-target__model {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--text-primary);
  white-space: normal;
  word-break: break-word;
}
.radar-target--threat .radar-target__icon { color: var(--accent-red); }
.radar-target--threat .radar-target__list { color: var(--accent-red); }
.radar-target--threat .radar-target__label { border-color: rgba(255, 59, 92, 0.45); }
.radar-target--threat.is-lit .radar-target__label { box-shadow: 0 0 12px rgba(255, 59, 92, 0.2); }

.radar-target--friendly .radar-target__icon { color: var(--accent-green); }
.radar-target--friendly .radar-target__list { color: var(--accent-green); }
.radar-target--friendly .radar-target__label { border-color: rgba(0, 255, 148, 0.35); }
.radar-target--friendly.is-lit .radar-target__label { box-shadow: 0 0 12px rgba(0, 255, 148, 0.18); }

.radar-target--watch .radar-target__icon { color: var(--accent-amber); }
.radar-target--watch .radar-target__list { color: var(--accent-amber); }
.radar-target--watch .radar-target__label { border-color: rgba(255, 184, 0, 0.4); }
.radar-target--watch.is-lit .radar-target__label { box-shadow: 0 0 12px rgba(255, 184, 0, 0.18); }

.radar-target--label-top {
  flex-direction: column-reverse;
  align-items: center;
}
.radar-target--label-bottom {
  flex-direction: column;
  align-items: center;
}
.radar-target--label-left {
  flex-direction: row-reverse;
  align-items: center;
}
.radar-target--label-left .radar-target__label {
  text-align: right;
}

@media (max-width: 639px) {
  .radar-target__icon {
    width: 18px;
    height: 18px;
  }
}
@keyframes target-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(1.1); }
}

/* 中心圆点 */
.radar-center {
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 10px;
  background: var(--accent-cyan);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 16px var(--accent-cyan);
  z-index: 5;
}

/* 首页雷达 · 防护区与名单 ------------------------------------ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.radar-panel {
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  min-width: 0;
  box-sizing: border-box;
}

.hero-radar-panel .radar-zone-strip {
  max-width: 560px;
  margin-inline: auto;
}

.hero-radar-panel .radar-stage {
  max-width: 560px;
  margin-inline: auto;
  margin-top: 0;
  padding: 1.1rem 0.65rem 0.5rem;
  border: 1px solid rgba(143, 168, 192, 0.12);
  border-top: none;
  border-radius: 0 0 6px 6px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 180, 255, 0.03) 0%, transparent 55%),
    rgba(5, 8, 16, 0.45);
}

.radar-panel > .radar-stage {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: visible;
}

@media (max-width: 1023px) {
  .radar-panel {
    max-width: 100%;
  }

  .hero-radar-panel .radar-zone-strip,
  .hero-radar-panel .radar-stage {
    max-width: 100%;
  }
}

.radar-zone-strip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  background: rgba(8, 14, 24, 0.88);
  border: 1px solid rgba(143, 168, 192, 0.12);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  position: relative;
}

.radar-zone-strip::after {
  display: none;
}

.radar-zone-strip__icon {
  display: flex;
  width: 1.15rem;
  height: 1.15rem;
  color: rgba(0, 180, 255, 0.7);
  flex-shrink: 0;
}

.radar-zone-strip__icon svg {
  width: 100%;
  height: 100%;
}

.radar-zone-strip__meta {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
  flex: 1;
}

.radar-zone-strip__value {
  font-family: var(--font-tech);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.radar-zone-strip__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(0, 255, 148, 0.9);
  padding: 0.22rem 0.5rem;
  border: 1px solid rgba(0, 255, 148, 0.22);
  background: rgba(0, 255, 148, 0.05);
  border-radius: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}

.radar-zone-strip__status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(0, 255, 148, 0.75);
  animation: radar-status-pulse 1.8s ease-in-out infinite;
}

@keyframes radar-status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

@media (max-width: 380px) {
  .radar-zone-strip {
    flex-wrap: wrap;
    gap: 0.45rem 0.55rem;
    padding: 0.5rem 0.65rem;
  }

  .radar-zone-strip__meta {
    flex: 1 1 calc(100% - 2rem);
  }

  .radar-zone-strip__badge {
    margin-left: 0;
  }
}

.radar-target--threat .radar-target__icon svg {
  fill: none;
  stroke: var(--accent-red);
}

.radar-target--friendly .radar-target__icon svg {
  fill: none;
  stroke: var(--accent-green);
}

.radar-target--watch .radar-target__icon svg {
  fill: none;
  stroke: var(--accent-amber);
}

.radar-intel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  width: 100%;
}

/* 空间足够时自动分列，避免三列硬挤 */
@media (min-width: 640px) {
  .radar-intel {
    grid-template-columns: repeat(auto-fit, minmax(11.25rem, 1fr));
    gap: 0.5rem;
  }
}

/* Hero 右侧栏较窄：名单纵向排列，文字完整展示 */
@media (min-width: 1024px) and (max-width: 1399px) {
  .hero-radar-panel .radar-intel {
    grid-template-columns: 1fr;
  }
}

.radar-intel-card {
  padding: 0.6rem 0.75rem;
  background: rgba(15, 26, 47, 0.75);
  border: 1px solid var(--border-soft);
  border-left-width: 2px;
  min-width: 0;
}

.radar-intel-card--threat {
  border-left-color: var(--accent-red);
}

.radar-intel-card--friendly {
  border-left-color: var(--accent-green);
}

.radar-intel-card--watch {
  border-left-color: var(--accent-amber);
}

.radar-intel-card__head {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.35rem;
}

.radar-intel-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.radar-intel-card--threat .radar-intel-card__dot {
  background: var(--accent-red);
  box-shadow: 0 0 8px var(--accent-red);
}

.radar-intel-card--friendly .radar-intel-card__dot {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.radar-intel-card--watch .radar-intel-card__dot {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}

.radar-intel-card__title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
  line-height: 1.3;
}

.radar-intel-card__count {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

.radar-intel-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.radar-intel-card__list li {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-primary);
  padding: 0.25rem 0;
  border-top: 1px solid rgba(143, 168, 192, 0.08);
  white-space: normal;
  word-break: break-word;
}

.radar-intel-card__list li:first-child {
  border-top: none;
  padding-top: 0;
}

@media (max-width: 639px) {
  .radar-intel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
    margin-inline: 0;
    padding: 0;
    overflow: visible;
  }

  .radar-intel-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .radar-intel-card__list li {
    white-space: normal;
    font-size: 0.68rem;
  }
}

/* 首页雷达 · 移动端 ------------------------------------------ */
@media (max-width: 1023px) {
  .radar-panel {
    max-width: 100%;
    margin-inline: auto;
    padding-inline: 0;
  }

  .radar-zone-strip {
    padding: 0.5rem 0.65rem;
  }

  .radar-zone-strip__value {
    font-size: 0.82rem;
  }

  .hero-radar-panel .radar-stage {
    padding: 0.75rem 0.5rem 0.45rem;
  }

  .hero-radar-panel .radar-intel {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1400px) {
  .hero-radar-panel .radar-intel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .radar-panel {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  .radar-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 100%;
    padding: 1.25rem 0 0.85rem;
    margin-inline: auto;
    overflow: hidden;
  }

  .radar-panel .radar {
    width: min(100%, 17.5rem);
    max-width: 17.5rem;
    margin-inline: auto;
    flex-shrink: 0;
    overflow: hidden;
  }

  .radar-hud {
    font-size: 0.55rem !important;
    letter-spacing: 0.04em !important;
    line-height: 1.35;
    max-width: 52%;
    white-space: nowrap;
  }

  .radar-hud--tl {
    top: 0.35rem !important;
    left: 0.65rem !important;
    right: auto !important;
  }

  .radar-hud--br {
    bottom: 0.35rem !important;
    right: 0.65rem !important;
    left: auto !important;
  }

  .radar-hud--detail {
    display: none;
  }

  /* 扫描扫到时再显示标签，避免常态拥挤 */
  .radar-target__label {
    display: none;
    max-width: 9rem;
    font-size: 0.62rem;
  }

  .radar-target.is-lit .radar-target__label,
  .radar-target.is-fade .radar-target__label {
    display: flex;
  }

  .radar-target {
    gap: 0.25rem;
  }

  .radar-intel {
    width: 100%;
  }
}

@media (max-width: 389px) {
  .radar-stage {
    padding-top: 1rem;
  }

  .radar-panel .radar {
    width: min(100%, 16rem);
    max-width: 16rem;
  }

  .radar-zone-strip__label {
    font-size: 0.54rem;
  }

  .radar-zone-strip__value {
    font-size: 0.78rem;
  }

  .radar-zone-strip__badge {
    font-size: 0.52rem;
    padding: 0.18rem 0.38rem;
  }

  .radar-target--threat {
    left: 26% !important;
    top: 68% !important;
  }

  .radar-target--friendly {
    top: 28% !important;
  }

  .radar-target--watch {
    left: 70% !important;
  }
}

/* 数字计数 --------------------------------------------------- */
.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1;
  background: linear-gradient(180deg, #E8F4FF 0%, #00B4FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.01em;
}

.stat-number--range {
  font-size: clamp(1.2rem, 3.2vw, 2.35rem);
  letter-spacing: -0.04em;
  white-space: nowrap;
  display: inline-block;
  max-width: 100%;
}

/* Hero 首屏三列指标 ----------------------------------------- */
.hero-metrics {
  width: 100%;
  grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.88fr) minmax(0, 0.74fr);
}

.hero-metric__label {
  letter-spacing: 0.08em;
  font-size: 0.65rem;
}

.hero-metric__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.8125rem, 2.35vw, 1.0625rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* 频段数值较长，略小于另两列以防挤压 */
.hero-metric:first-child .hero-metric__value {
  font-size: clamp(0.75rem, 2.15vw, 1rem);
  letter-spacing: -0.05em;
}

.hero-metric__desc {
  display: block;
  font-size: 0.65rem;
  line-height: 1.35;
  max-width: 100%;
}

@media (min-width: 640px) {
  .hero-metric__label {
    font-size: 0.75rem;
  }

  .hero-metric__value {
    font-size: clamp(0.875rem, 1.95vw, 1.1875rem);
  }

  .hero-metric:first-child .hero-metric__value {
    font-size: clamp(0.8125rem, 1.85vw, 1.125rem);
  }

  .hero-metric__desc {
    font-size: 0.75rem;
  }
}

@media (min-width: 1024px) {
  .hero-metrics {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .hero-metric__value {
    font-size: 1.1875rem;
  }

  .hero-metric:first-child .hero-metric__value {
    font-size: 1.125rem;
  }

  .hero-metric__desc {
    max-width: none;
  }
}

/* 时间轴线条 ------------------------------------------------- */
.tech-line {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  overflow: hidden;
}
.tech-line::after {
  content: '';
  position: absolute;
  top: 0; left: -30%;
  width: 30%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  animation: line-flow 3s linear infinite;
}
@keyframes line-flow {
  to { left: 130%; }
}

/* 数据流粒子 canvas 容器 ------------------------------------- */
.particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* 飞机/无人机图标动画 ---------------------------------------- */
.drone-fly {
  animation: drone-float 4s ease-in-out infinite;
}
@keyframes drone-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 关于羽嘉 · 体系能力架构视觉 -------------------------------- */
.intro-visual {
  position: relative;
  width: 100%;
  max-width: 28rem;
  margin-inline: auto;
  padding: 1.25rem 0.5rem 0.5rem;
  min-height: 22rem;
}

.intro-visual__orbit {
  position: absolute;
  inset: 12% 8% auto;
  aspect-ratio: 1;
  max-height: 14rem;
  pointer-events: none;
}

.intro-visual__orbit-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent-cyan-soft);
  border-radius: 50%;
  animation: intro-orbit-spin 24s linear infinite;
}

.intro-visual__orbit-ring--inner {
  inset: 18%;
  border-color: rgba(0, 255, 148, 0.2);
  animation-direction: reverse;
  animation-duration: 18s;
}

@keyframes intro-orbit-spin {
  to { transform: rotate(360deg); }
}

.intro-visual__hub {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1.25rem 1.25rem;
  margin: 0 auto 1rem;
  max-width: 11.5rem;
  border-color: var(--border-glow);
}

.intro-visual__logo {
  width: 4.5rem;
  height: auto;
  object-fit: contain;
  margin-bottom: 0.65rem;
  filter: drop-shadow(0 0 12px rgba(0, 180, 255, 0.35));
}

.intro-visual__hub-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.06em;
}

.intro-visual__hub-sub {
  margin-top: 0.35rem;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.intro-visual__caps {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.intro-cap {
  padding: 0.65rem 0.7rem;
  background: rgba(15, 26, 47, 0.82);
  border: 1px solid var(--border-soft);
  border-left-width: 2px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.intro-cap:hover {
  transform: translateY(-2px);
}

.intro-cap--detect { border-left-color: var(--accent-cyan); }
.intro-cap--control { border-left-color: #4da6ff; }
.intro-cap--strike { border-left-color: var(--accent-amber); }
.intro-cap--evaluate { border-left-color: var(--accent-green); }

.intro-cap__idx {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
}

.intro-cap__title {
  font-family: var(--font-tech);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0.2rem 0 0.25rem;
}

.intro-cap__desc {
  font-size: 0.65rem;
  line-height: 1.35;
  color: var(--text-secondary);
  margin: 0;
}

.intro-visual__flow {
  position: absolute;
  inset: 28% 12% 38%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.35;
}

.intro-visual__flow span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: intro-flow-dot 3s ease-in-out infinite;
}

.intro-visual__flow span:nth-child(1) { top: 0; left: 50%; animation-delay: 0s; }
.intro-visual__flow span:nth-child(2) { top: 50%; right: 0; animation-delay: 0.75s; }
.intro-visual__flow span:nth-child(3) { bottom: 0; left: 50%; animation-delay: 1.5s; }
.intro-visual__flow span:nth-child(4) { top: 50%; left: 0; animation-delay: 2.25s; }

@keyframes intro-flow-dot {
  0%, 100% { opacity: 0.25; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

.intro-visual__pillars {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.intro-pillar {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--border-soft);
  background: rgba(5, 8, 16, 0.55);
}

.intro-pillar--tsinghua {
  border-top: 2px solid var(--accent-cyan);
}

.intro-pillar--beihang {
  border-top: 2px solid var(--accent-green);
}

.intro-pillar__tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
}

.intro-pillar--tsinghua .intro-pillar__tag { color: var(--accent-cyan); }
.intro-pillar--beihang .intro-pillar__tag { color: var(--accent-green); }

.intro-pillar__name {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

@media (max-width: 639px) {
  .intro-visual {
    max-width: 100%;
    padding-inline: 0;
    min-height: auto;
  }

  .intro-visual__orbit {
    inset: 8% 5% auto;
    max-height: 11rem;
  }

  .intro-visual__hub {
    max-width: 10rem;
    padding: 1.15rem 1rem;
  }

  .intro-visual__logo {
    width: 3.75rem;
  }

  .intro-cap__title {
    font-size: 0.82rem;
  }

  .intro-cap__desc {
    font-size: 0.62rem;
  }
}

@media (max-width: 389px) {
  .intro-visual__caps {
    gap: 0.4rem;
  }

  .intro-cap {
    padding: 0.55rem 0.5rem;
  }
}

/* 解决方案卡片 hover -------------------------------------- */
.solution-card {
  position: relative;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.solution-card:hover { transform: translateY(-6px); }
.solution-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 8, 16, 0.95) 100%);
}

/* 完备军工资质 横向高亮卡片 ----------------------------------- */
.cert-military {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.75rem;
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  background:
    linear-gradient(135deg, rgba(0, 180, 255, 0.08) 0%, rgba(0, 255, 148, 0.04) 50%, rgba(15, 26, 47, 0.6) 100%),
    rgba(8, 14, 24, 0.85);
  border: 1px solid rgba(0, 180, 255, 0.28);
  overflow: hidden;
}

.cert-military::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 38px,
      rgba(0, 180, 255, 0.04) 38px,
      rgba(0, 180, 255, 0.04) 39px
    );
  pointer-events: none;
  opacity: 0.6;
}

.cert-military > * {
  position: relative;
  z-index: 1;
}

.cert-military__icon {
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  background: rgba(0, 180, 255, 0.08);
  border: 1px solid rgba(0, 180, 255, 0.3);
  flex-shrink: 0;
}

.cert-military__icon svg {
  width: 1.85rem;
  height: 1.85rem;
}

.cert-military__body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

.cert-military__chip {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.4rem;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(0, 255, 148, 0.85);
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(0, 255, 148, 0.32);
  background: rgba(0, 255, 148, 0.06);
}

.cert-military__chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(0, 255, 148, 0.7);
}

.cert-military__title {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.cert-military__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  max-width: 56rem;
}

.cert-military__seal {
  position: relative;
  width: 5.5rem;
  height: 5.5rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-military__seal-ring {
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(0, 180, 255, 0.45);
  border-radius: 50%;
  animation: cert-seal-spin 18s linear infinite;
}

.cert-military__seal-ring--mid {
  inset: 0.55rem;
  border-style: solid;
  border-color: rgba(0, 180, 255, 0.22);
  animation-direction: reverse;
  animation-duration: 24s;
}

.cert-military__seal-core {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: rgba(0, 180, 255, 0.9);
  border: 1px solid rgba(0, 180, 255, 0.4);
  padding: 0.45rem 0.65rem;
  background: rgba(5, 10, 18, 0.7);
}

@keyframes cert-seal-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .cert-military__seal-ring {
    animation: none;
  }
}

@media (max-width: 768px) {
  .cert-military {
    grid-template-columns: auto 1fr;
    gap: 1.1rem;
    padding: 1.35rem 1.25rem;
  }

  .cert-military__seal {
    grid-column: 1 / -1;
    margin-inline: auto;
    width: 4.5rem;
    height: 4.5rem;
    margin-top: 0.25rem;
  }

  .cert-military__desc {
    font-size: 0.85rem;
  }
}

/* 关于页 · 双省级实验室 副标题 -------------------------------- */
.intro-lab-caption {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.1rem;
  padding: 0.45rem 0.85rem;
  background: rgba(0, 180, 255, 0.06);
  border: 1px solid rgba(0, 180, 255, 0.22);
  border-left: 2px solid var(--accent-cyan);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(214, 232, 255, 0.82);
}

.intro-lab-caption__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px rgba(0, 180, 255, 0.65);
  flex-shrink: 0;
}

/* 资质徽章 网格 ---------------------------------------------- */
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.25rem 0.75rem;
  border: 1px solid var(--border-soft);
  background: rgba(15, 26, 47, 0.45);
  min-height: 130px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.cert-badge:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 180, 255, 0.05);
  transform: translateY(-3px);
}
.cert-badge svg {
  width: 32px;
  height: 32px;
  margin-bottom: 0.6rem;
  color: var(--accent-cyan);
}
.cert-badge .cert-text {
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* Tab 样式 -------------------------------------------------- */
.tab-button {
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.8rem 1.4rem;
  color: var(--text-tertiary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.tab-button.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}
.tab-button:hover:not(.active) { color: var(--text-secondary); }

/* 表单 ------------------------------------------------------- */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.9rem 1rem;
  background: rgba(15, 26, 47, 0.6);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s ease, background 0.3s ease;
  outline: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-cyan);
  background: rgba(15, 26, 47, 0.85);
  box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.12);
}
.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
  display: block;
}

/* 页脚 ------------------------------------------------------- */
.site-footer {
  position: relative;
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-soft);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
}
.site-footer__icp {
  color: inherit;
  text-decoration: none;
}
.site-footer__icp:hover {
  color: var(--accent-cyan);
}

/* 滚动指示 --------------------------------------------------- */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-indicator .line {
  width: 1px;
  height: 50px;
  background: linear-gradient(180deg, var(--accent-cyan), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-indicator .line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(180deg, transparent, var(--accent-cyan));
  animation: scroll-dot 2s ease-in-out infinite;
}
@keyframes scroll-dot {
  to { top: 100%; }
}

/* 1+N+2 架构图 ---------------------------------------------- */
.arch-node {
  position: relative;
  padding: 1rem 1.5rem;
  border: 1px solid var(--border-glow);
  background: rgba(0, 180, 255, 0.05);
  text-align: center;
  font-family: var(--font-tech);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.arch-node.primary {
  background: linear-gradient(135deg, rgba(0, 180, 255, 0.15), rgba(0, 255, 148, 0.05));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 32px rgba(0, 180, 255, 0.2);
}

/* 时间线 ----------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent-cyan), transparent);
}
.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.85rem;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan), 0 0 0 4px rgba(0, 180, 255, 0.15);
}

/* 团队头像 ----------------------------------------------- */
.team-avatar-lg {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid rgba(0, 180, 255, 0.5);
  display: block;
  background: var(--bg-card);
}
.team-avatar-frame {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid rgba(0, 180, 255, 0.45);
  background: #e8eef4;
  box-shadow: 0 0 0 1px rgba(0, 180, 255, 0.12);
}

.team-avatar-sm {
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: cover;
  object-position: center 12%;
  border: none;
  display: block;
  background: transparent;
}

/* 源图带圆形描边留白，放大裁切以填满圆框 */
.team-avatar-frame:has(img[src*="liu-shuai"]) .team-avatar-sm {
  transform: scale(1.42);
  object-position: center 8%;
}

.team-card--expert .team-card__expert-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.team-card__expert-icon {
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 180, 255, 0.28);
  background: rgba(0, 180, 255, 0.08);
}

.team-card__expert-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.team-card__expert-tag {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(148, 163, 184, 0.95);
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(143, 168, 192, 0.22);
  background: rgba(15, 26, 47, 0.55);
}

/* 联系我们 · 布局 */
.contact-layout {
  align-items: stretch;
}

@media (min-width: 1024px) {
  .contact-layout__map .glass-card {
    min-height: 100%;
  }

  .contact-map-wrap--lg {
    min-height: 22rem;
    height: 100%;
  }
}

/* 联系我们 · 发起咨询 */
.contact-consult-card__main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-consult-card__head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.contact-consult-card__btn {
  align-self: flex-start;
}

.contact-consult-card__hint {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(143, 168, 192, 0.12);
}

@media (min-width: 640px) {
  .contact-consult-card__main {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
  }

  .contact-consult-card__btn {
    flex-shrink: 0;
  }
}

.contact-consult-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 180, 255, 0.28);
  background: rgba(0, 180, 255, 0.08);
}

.contact-consult-card__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.contact-call-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.contact-call-modal[hidden] {
  display: none;
}

.contact-call-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 16, 0.72);
  backdrop-filter: blur(4px);
}

.contact-call-modal__panel {
  position: relative;
  width: min(100%, 22rem);
  padding: 1.75rem 1.5rem 1.35rem;
  background: rgba(10, 18, 36, 0.96);
  border: 1px solid rgba(0, 180, 255, 0.28);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  text-align: center;
}

.contact-call-modal__title {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.65rem;
}

.contact-call-modal__desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
}

.contact-call-modal__phone {
  display: inline-block;
  font-size: 1.35rem;
  color: var(--accent-cyan);
  letter-spacing: 0.06em;
  margin-bottom: 1.15rem;
  transition: color 0.2s ease;
}

.contact-call-modal__phone:hover {
  color: #7dd3fc;
}

.contact-call-modal__close {
  width: 100%;
  justify-content: center;
}

body.contact-modal-open {
  overflow: hidden;
}

/* 内页 · 简洁信息卡 -------------------------------------------- */
.page-info-card {
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 192, 0.14);
  transition: border-color 0.25s ease;
}

.page-info-card:hover {
  border-color: rgba(0, 180, 255, 0.35);
}

.page-info-card__label {
  font-family: var(--font-tech);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(148, 163, 184, 0.92);
}

/* Hero 描述 · 两行展示 ----------------------------------------- */
.hero-desc {
  line-height: 1.75;
}

/* Hero 雷达 HUD 间距 ------------------------------------------- */
.hero-radar-panel .radar-hud--tl {
  top: 0.5rem;
  left: 0.85rem;
  right: auto;
}

.hero-radar-panel .radar-hud--tr {
  top: 0.5rem;
  right: 0.85rem;
  left: auto;
}

.hero-radar-panel .radar-hud--bl {
  bottom: 0.5rem;
  left: 0.85rem;
  right: auto;
}

.hero-radar-panel .radar-hud--br {
  bottom: 0.5rem;
  right: 0.85rem;
  left: auto;
}

.radar-zone-strip__label {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(148, 163, 184, 0.85);
  flex-shrink: 0;
}

/* 平台能力 · 非对称 1+3 网格 ----------------------------------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.adv-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.45rem 1.35rem 1.35rem;
  background: linear-gradient(180deg, rgba(15, 26, 47, 0.55) 0%, rgba(10, 18, 36, 0.6) 100%);
  border: 1px solid rgba(143, 168, 192, 0.14);
  transition: border-color 0.3s ease, transform 0.3s ease;
  min-width: 0;
}

.adv-card:hover {
  border-color: rgba(0, 180, 255, 0.4);
  transform: translateY(-2px);
}

.adv-card--feature {
  grid-column: span 12;
  padding: 1.65rem 1.5rem;
  background:
    linear-gradient(135deg, rgba(0, 180, 255, 0.06) 0%, rgba(15, 26, 47, 0.88) 65%),
    rgba(8, 14, 24, 0.88);
  border: 1px solid rgba(143, 168, 192, 0.18);
}

.adv-card--mini {
  grid-column: span 12;
}

@media (min-width: 768px) {
  .adv-card--feature { grid-column: span 12; grid-row: 1; }
  .adv-card--mini { grid-column: span 6; }
}

@media (min-width: 1024px) {
  .adv-card--feature {
    grid-column: span 6;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    padding: 1.65rem 1.5rem 1.5rem;
    min-height: 0;
  }

  .adv-card--feature .adv-card__feature-main {
    flex-shrink: 0;
  }

  .adv-card--feature .adv-card__bullets {
    flex: 1;
    margin-top: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(143, 168, 192, 0.14);
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.6rem;
    align-content: stretch;
    min-height: 0;
  }

  .adv-card--feature .adv-card__bullets li {
    justify-content: center;
    padding: 0.75rem 0.7rem;
    min-height: 0;
  }

  .adv-card--mini {
    grid-column: span 3;
  }
}

.adv-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.adv-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 180, 255, 0.25);
  background: rgba(0, 180, 255, 0.06);
  flex-shrink: 0;
}

.adv-card__icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.adv-card__icon--lg {
  width: 3rem;
  height: 3rem;
}

.adv-card__icon--lg svg {
  width: 1.5rem;
  height: 1.5rem;
}

.adv-card__chip {
  font-family: var(--font-tech);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(148, 163, 184, 0.92);
}

.adv-card__title {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin: 0 0 0.35rem;
  line-height: 1.35;
}

.adv-card--feature .adv-card__title {
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.adv-card__lead {
  color: rgba(164, 200, 232, 0.88);
  font-size: 0.82rem;
  line-height: 1.45;
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.adv-card--feature .adv-card__lead {
  font-size: 0.9rem;
  font-family: inherit;
  letter-spacing: 0;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

.adv-card__desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
}

.adv-card--feature .adv-card__desc {
  font-size: 0.96rem;
  line-height: 1.7;
}

.adv-card__points {
  list-style: none;
  margin: auto 0 0;
  padding: 0.65rem 0 0;
  border-top: 1px solid rgba(143, 168, 192, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.adv-card__points li {
  position: relative;
  padding-left: 0.7rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.adv-card__points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 3px;
  height: 3px;
  background: rgba(0, 180, 255, 0.55);
  border-radius: 50%;
}

.adv-card__bullets {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid rgba(143, 168, 192, 0.14);
  display: grid;
  gap: 0.55rem;
}

@media (min-width: 640px) {
  .adv-card__bullets {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem 1.25rem;
  }
}

.adv-card__bullets li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: relative;
  padding: 0.65rem 0.7rem;
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 192, 0.12);
}

.adv-card__bullets li::before {
  display: none;
}

.adv-card__bullet-key {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(148, 163, 184, 0.95);
}

.adv-card__bullet-val {
  font-size: 0.82rem;
  color: var(--text-primary);
  line-height: 1.4;
}

/* 「察控打评」水平流程时间线 ----------------------------------- */
.tech-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 1rem;
}

.tech-flow__rail {
  position: absolute;
  left: 4%;
  right: 4%;
  top: 4.25rem;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 180, 255, 0.45) 8%, rgba(0, 180, 255, 0.45) 92%, transparent 100%);
  pointer-events: none;
}

.tech-flow__step {
  position: relative;
  padding: 0 1.1rem 1.5rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

.tech-flow__step + .tech-flow__step::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 4.05rem;
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2300B4FF' stroke-width='1.4'><path d='M3 8h10 M9 4l4 4-4 4'/></svg>") center / contain no-repeat;
}

.tech-flow__index {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: rgba(0, 180, 255, 0.6);
}

.tech-flow__node {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--ink-950, #050810);
  border: 1px solid rgba(0, 180, 255, 0.4);
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
  position: relative;
  z-index: 1;
}

.tech-flow__node svg {
  width: 1.4rem;
  height: 1.4rem;
}

.tech-flow__step--accent .tech-flow__node {
  border-color: rgba(255, 184, 0, 0.5);
  color: var(--accent-amber, #FFB800);
}

.tech-flow__step--loop .tech-flow__node {
  border-color: rgba(0, 255, 148, 0.45);
  color: var(--accent-green);
}

.tech-flow__char {
  font-size: clamp(2.5rem, 4vw, 3.4rem);
  font-weight: 800;
  color: rgba(0, 180, 255, 0.16);
  line-height: 1;
  margin: 0;
  letter-spacing: 0.04em;
}

.tech-flow__step--accent .tech-flow__char { color: rgba(255, 184, 0, 0.18); }
.tech-flow__step--loop .tech-flow__char { color: rgba(0, 255, 148, 0.18); }

.tech-flow__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0.1rem 0 0;
}

.tech-flow__desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.tech-flow__loop-arrow {
  display: none;
}

@media (min-width: 1024px) {
  .tech-flow__loop-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    position: absolute;
    right: -0.5rem;
    top: 3.7rem;
    color: rgba(0, 255, 148, 0.7);
  }

  .tech-flow__loop-arrow svg {
    width: 1.4rem;
    height: 1.4rem;
  }

  .tech-flow__loop-text {
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }
}

@media (max-width: 1023px) {
  .tech-flow {
    grid-template-columns: 1fr;
  }

  .tech-flow__rail {
    left: 1.6rem;
    right: auto;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 180, 255, 0.45) 8%, rgba(0, 180, 255, 0.45) 92%, transparent 100%);
  }

  .tech-flow__step {
    padding: 0 0 1.5rem 3.5rem;
    position: relative;
  }

  .tech-flow__step + .tech-flow__step::before {
    left: 1.2rem;
    top: -0.5rem;
    transform: rotate(90deg);
  }

  .tech-flow__index {
    position: absolute;
    top: 0;
    left: 3.5rem;
  }

  .tech-flow__node {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
  }

  .tech-flow__char {
    font-size: 2rem;
    line-height: 1.1;
  }
}

/* 案例 · 1 大 + 2 小 不均等网格 -------------------------------- */
.cases-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cases-mosaic {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(220px, auto);
  }

  .case-card--feature {
    grid-column: span 2;
    aspect-ratio: 16 / 9;
  }

  .case-card--mini {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 1024px) {
  .cases-mosaic {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(260px, auto);
  }

  .case-card--feature {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
    min-height: 540px;
  }

  .case-card--mini {
    grid-column: span 1;
    aspect-ratio: auto;
  }
}

.case-card--feature .case-content {
  padding: 2rem;
}

.case-card__year {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: rgba(0, 180, 255, 0.7);
  padding: 0.18rem 0.5rem;
  border: 1px solid rgba(0, 180, 255, 0.3);
}

.case-content__top,
.case-content__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.case-card .case-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* 案例卡片 hover 视觉 ---------------------------------------- */
.case-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.case-card .case-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.case-card .case-bg.case-photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.case-detail-frame {
  position: relative;
  overflow: hidden;
}
.case-detail-frame.is-fixed-ratio {
  aspect-ratio: 5 / 4;
}
.case-detail-frame.is-fixed-ratio .case-detail-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center;
}

.case-detail-frame--fill .case-detail-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 575;
  object-fit: cover;
  object-position: center 42%;
}

@media (min-width: 1024px) {
  .case-detail-row .case-detail-frame--fill {
    display: flex;
    flex: 1;
    min-height: 100%;
    aspect-ratio: auto;
    height: 100%;
  }

  .case-detail-row .case-detail-frame--fill .case-detail-photo {
    position: static;
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center 42%;
  }
}

.case-detail-frame:not(.is-fixed-ratio):not(.case-detail-frame--fill) .case-detail-photo {
  min-height: 16rem;
}
@media (min-width: 1024px) {
  .case-detail-frame:not(.is-fixed-ratio):not(.case-detail-frame--fill) .case-detail-photo { min-height: 22rem; }
}
.case-card:hover .case-bg { transform: scale(1.06); }
.case-card .case-content {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
}
.case-card .case-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(5, 8, 16, 0.45) 0%, rgba(5, 8, 16, 0.95) 100%);
}

/* 数据条形指示 ---------------------------------------------- */
.bar-track {
  height: 4px;
  width: 100%;
  background: rgba(143, 168, 192, 0.12);
  position: relative;
  overflow: hidden;
}
.bar-fill {
  position: absolute;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  width: 0;
  transition: width 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.bar-fill.filled { /* 由 JS 设置 width inline */ }

/* 防护等级 colors ------------------------------------------- */
.level-core   { --level-color: #FF3B5C; }
.level-key    { --level-color: #FFB800; }
.level-normal { --level-color: #00B4FF; }

.level-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--level-color);
  border: 1px solid var(--level-color);
  background: color-mix(in srgb, var(--level-color) 12%, transparent);
}

/* 品牌 LOGO -------------------------------------------------- */
.site-logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  max-width: fit-content;
  text-decoration: none;
}
.site-logo {
  display: block;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}
.site-logo--nav {
  height: 2.15rem;
  width: auto;
  max-width: min(11.5rem, 72vw);
}
@media (min-width: 640px) {
  .site-logo--nav {
    height: 2.5rem;
    max-width: min(14rem, 42vw);
  }
}
@media (min-width: 768px) {
  .site-logo--nav {
    height: 2.75rem;
    max-width: 16rem;
  }
}
.site-logo--footer {
  height: auto;
  width: auto;
  max-width: 8.5rem;
  max-height: 5.25rem;
}
.site-logo--menu {
  max-height: 3.25rem;
  width: auto;
}

/* 联系页地图 ------------------------------------------------- */
.contact-map-wrap {
  position: relative;
  width: 100%;
  height: 17.5rem;
  overflow: hidden;
  border: 1px solid rgba(0, 180, 255, 0.18);
  background: #0a1224;
}
.contact-map-canvas {
  width: 100%;
  height: 100%;
}
.contact-map-wrap .leaflet-container {
  width: 100%;
  height: 100%;
  background: #0a1224;
  font-family: var(--font-body);
}
.contact-map-wrap .leaflet-control-zoom a {
  background: rgba(10, 18, 36, 0.92);
  color: #00b4ff;
  border-color: rgba(0, 180, 255, 0.25);
}
.contact-map-wrap .leaflet-control-zoom a:hover {
  background: rgba(0, 180, 255, 0.12);
  color: #7dd3fc;
}
.contact-map-wrap .leaflet-bar {
  border: 1px solid rgba(0, 180, 255, 0.25);
  box-shadow: none;
}
.contact-map-wrap .leaflet-popup-content-wrapper {
  background: rgba(10, 18, 36, 0.95);
  color: #e2e8f0;
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
.contact-map-wrap .leaflet-popup-tip {
  background: rgba(10, 18, 36, 0.95);
  border: 1px solid rgba(0, 180, 255, 0.25);
}
.contact-map-wrap .leaflet-popup-content {
  margin: 0.65rem 0.85rem;
  font-size: 0.82rem;
  line-height: 1.5;
}
.contact-map-wrap .leaflet-control-attribution {
  background: rgba(10, 18, 36, 0.75);
  color: #64748b;
  font-size: 0.65rem;
}
.contact-map-wrap .leaflet-control-attribution a {
  color: #64748b;
}
.contact-map-marker {
  background: transparent;
  border: none;
}
.contact-map-marker-core {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #00ff94;
  box-shadow: 0 0 0 6px rgba(0, 255, 148, 0.25), 0 0 16px rgba(0, 255, 148, 0.6);
  border: 2px solid #fff;
}
@media (min-width: 640px) {
  .contact-map-wrap { height: 20rem; }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-cyan), rgba(0, 180, 255, 0.2));
  border-radius: 4px;
}

/* 文字选区 --------------------------------------------------- */
::selection {
  background: rgba(0, 180, 255, 0.35);
  color: #fff;
}

/* 减少动画偏好 ----------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .radar-sweep { transform: rotate(45deg); }
  .radar-target { opacity: 0.75; filter: none; }
  .radar-target .radar-target__label { opacity: 0.85; display: flex; }
}

/* 响应式微调 ------------------------------------------------- */
@media (max-width: 768px) {
  .tech-grid-bg { background-size: 40px 40px; }
  .cursor-glow { display: none; }
  .scanlines::before { opacity: 0.4; }
  .site-footer { padding: 3rem 0 1.5rem; margin-top: 4rem; }
  .timeline { padding-left: 1.6rem; }
}

@media (max-width: 480px) {
  .btn-primary, .btn-ghost { padding: 0.75rem 1.25rem; font-size: 0.85rem; }
  .section-eyebrow { font-size: 0.82rem; }
}

/* 核心算法卡 (technology.html · t3 / t4) ----------------------- */
.algo-grid { align-items: stretch; }

.algo-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.85rem 1.75rem 1.7rem;
  background: linear-gradient(180deg, rgba(15, 26, 47, 0.62) 0%, rgba(10, 18, 36, 0.7) 100%);
  border: 1px solid rgba(143, 168, 192, 0.16);
  transition: border-color 0.3s ease, transform 0.3s ease;
  min-width: 0;
}

.algo-card:hover {
  border-color: rgba(0, 180, 255, 0.4);
  transform: translateY(-2px);
}

.algo-card--accent {
  background:
    linear-gradient(135deg, rgba(0, 180, 255, 0.05) 0%, rgba(15, 26, 47, 0.78) 60%),
    rgba(10, 18, 36, 0.72);
  border-color: rgba(0, 180, 255, 0.22);
}

.algo-card__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.algo-card__index {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 180, 255, 0.4);
  padding: 0.2rem 0.55rem;
  background: rgba(0, 180, 255, 0.08);
}

.algo-card__chip {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.algo-card__title {
  font-size: 1.25rem;
  line-height: 1.45;
  color: #fff;
  margin-bottom: 1.1rem;
  letter-spacing: 0.01em;
}

.algo-card__visual {
  position: relative;
  margin-bottom: 1.1rem;
  padding: 0.85rem 0.9rem;
  background: rgba(8, 14, 24, 0.55);
  border: 1px solid rgba(0, 180, 255, 0.14);
  overflow: hidden;
}

.algo-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
  opacity: 0.6;
}

.algo-card__svg {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
}

.algo-card__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
}

.algo-card__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1rem;
  margin-top: auto;
}

.algo-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.algo-card__check {
  position: relative;
  flex-shrink: 0;
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 0.32rem;
  border: 1px solid rgba(0, 255, 148, 0.55);
  background: rgba(0, 255, 148, 0.1);
}

.algo-card__check::after {
  content: "";
  position: absolute;
  left: 0.18rem;
  top: 0.02rem;
  width: 0.22rem;
  height: 0.42rem;
  border-right: 1.4px solid var(--cyber-green);
  border-bottom: 1.4px solid var(--cyber-green);
  transform: rotate(45deg);
}

@media (max-width: 768px) {
  .algo-card { padding: 1.5rem 1.35rem; }
  .algo-card__list { grid-template-columns: 1fr; }
  .algo-card__title { font-size: 1.12rem; }
}

/* ========== 移动端适配补全 ================================== */
@media (max-width: 767px) {
  /* Hero 描述与三列指标 */
  .hero-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    max-width: 100%;
  }

  .hero-metric__desc {
    font-size: 0.6rem;
    line-height: 1.3;
  }

  /* 雷达防护条：窄屏允许换行，避免挤压 */
  .radar-zone-strip {
    flex-wrap: wrap;
    row-gap: 0.4rem;
    padding: 0.5rem 0.65rem;
  }

  .radar-zone-strip__meta {
    flex: 1 1 auto;
    min-width: 0;
  }

  .radar-zone-strip__value {
    white-space: normal;
  }

  .radar-zone-strip__badge {
    margin-left: auto;
    font-size: 0.58rem;
    padding: 0.2rem 0.45rem;
  }

  /* 平台能力卡片 */
  .adv-card {
    padding: 1.25rem 1.15rem 1.15rem;
  }

  .adv-card--feature {
    padding: 1.35rem 1.2rem;
  }

  .adv-card--feature .adv-card__bullets {
    flex: none;
    grid-template-rows: auto;
    margin-top: 0.9rem;
    padding-top: 0.85rem;
  }

  .adv-card--feature .adv-card__title {
    font-size: 1.2rem;
  }

  /* 案例预览：单列高度 */
  .case-card {
    min-height: 13rem;
  }

  .case-card--feature {
    min-height: 16rem;
    aspect-ratio: 16 / 10;
  }

  .case-card--mini {
    min-height: 12rem;
    aspect-ratio: 4 / 3;
  }

  .case-card--feature .case-content {
    padding: 1.35rem;
  }

  .case-card--feature .case-content__bottom h3 {
    font-size: 1.35rem;
  }

  /* 页脚：单列堆叠 */
  .site-footer > div > .grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .intro-lab-caption {
    flex-wrap: wrap;
    font-size: 0.68rem;
    line-height: 1.5;
  }
}

@media (max-width: 479px) {
  /* 极窄屏：能力四格、技术特性单列 */
  .adv-card__bullets {
    grid-template-columns: 1fr;
  }

  .intro-dna-grid,
  .tech-tag-grid {
    grid-template-columns: 1fr;
  }

  .case-card--feature .case-content__bottom h3 {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: clamp(1.45rem, 6.5vw, 1.75rem);
  }
}

@media (max-width: 389px) {
  .hero-metrics {
    gap: 0.5rem;
  }

  .hero-metric__label {
    font-size: 0.58rem;
    letter-spacing: 0.04em;
  }

  .hero-metric:first-child .hero-metric__value {
    font-size: 0.7rem;
  }

  .hero-metric__value {
    font-size: 0.75rem;
  }
}

.adv-card--feature.adv-card--solo {
  grid-column: unset;
  grid-row: unset;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .adv-card--feature.adv-card--solo .adv-card__bullets {
    flex: 1;
    grid-template-rows: 1fr 1fr;
    margin-top: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(143, 168, 192, 0.14);
  }

  .adv-card--feature.adv-card--solo .adv-card__bullets li {
    justify-content: center;
    padding: 0.85rem 0.75rem;
  }
}

/* ========== 解决方案页布局 ==================================== */
.sol-section {
  position: relative;
  padding: 4rem 0;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

@media (min-width: 1024px) {
  .sol-section { padding: 5rem 0; }
  .sol-section--tiers { padding-bottom: 5.5rem; }
}

.sol-section__intro {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}

.sol-section__lead {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 0.75rem;
}

/* Bento · 公安场景 */
.sol-bento {
  display: grid;
  gap: 0.75rem;
}

.sol-bento__caps {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .sol-bento__caps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

@media (min-width: 1024px) {
  .sol-bento {
    grid-template-columns: 1.05fr 1fr;
    align-items: stretch;
    gap: 1rem;
  }

  .sol-bento__platform {
    grid-column: 1;
    grid-row: 1;
    height: 100%;
  }

  .sol-bento__caps {
    grid-column: 2;
    grid-row: 1;
  }

  .sol-bento__kv {
    flex: 1;
    grid-template-rows: 1fr 1fr;
    align-content: stretch;
  }

  .sol-bento__kv li {
    justify-content: center;
    min-height: 0;
  }
}

.sol-bento__platform {
  padding: 1.45rem 1.35rem 1.3rem;
  background:
    linear-gradient(135deg, rgba(0, 180, 255, 0.05) 0%, rgba(15, 26, 47, 0.88) 60%),
    rgba(8, 14, 24, 0.9);
  border: 1px solid rgba(143, 168, 192, 0.16);
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

.sol-bento__platform-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.sol-bento__platform-title {
  font-size: 1.35rem;
  color: #fff;
  margin-top: 0.35rem;
  line-height: 1.35;
}

.sol-bento__platform-lead {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
}

.sol-bento__platform-note {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(203, 213, 225, 0.88);
  margin-bottom: 0.85rem;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(0, 180, 255, 0.35);
}

.sol-bento__kv {
  list-style: none;
  margin: 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid rgba(143, 168, 192, 0.12);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.sol-bento__kv li {
  padding: 0.75rem 0.8rem;
  background: rgba(15, 26, 47, 0.5);
  border: 1px solid rgba(143, 168, 192, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sol-bento__kv-k {
  font-family: var(--font-tech);
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(148, 163, 184, 0.95);
}

.sol-bento__kv-v {
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.sol-bento__cap {
  padding: 1.15rem 1.2rem;
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 184, 0.14);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
  transition: border-color 0.25s ease;
}

.sol-bento__cap:hover {
  border-color: rgba(0, 180, 255, 0.28);
}

.sol-bento__cap-icon {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 180, 255, 0.2);
  background: rgba(0, 180, 255, 0.06);
}

.sol-bento__cap-icon svg {
  width: 1.05rem;
  height: 1.05rem;
}

.sol-bento__cap-title {
  font-family: var(--font-tech);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.sol-bento__cap-desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 划分步骤条 */
.sol-steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .sol-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

.sol-step {
  position: relative;
  padding: 1.35rem 1.25rem 1.25rem;
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 184, 0.14);
  min-width: 0;
}

.sol-step__num {
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(148, 163, 184, 0.45);
}

.sol-step__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(0, 180, 255, 0.08);
  border: 1px solid rgba(0, 180, 255, 0.22);
}

.sol-step__icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.sol-step__icon--amber {
  color: var(--accent-amber);
  background: rgba(255, 184, 0, 0.08);
  border-color: rgba(255, 184, 0, 0.22);
}

.sol-step__icon--muted {
  color: rgba(203, 213, 225, 0.85);
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(148, 163, 184, 0.2);
}

.sol-step__title {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.5rem;
  line-height: 1.35;
  padding-right: 2rem;
}

.sol-step__desc {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .sol-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 2.1rem;
    right: -0.72rem;
    width: 0.45rem;
    height: 0.45rem;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    border-right: 1px solid rgba(148, 163, 184, 0.35);
    transform: rotate(45deg);
    z-index: 1;
  }
}

/* 三级对比卡 */
.sol-tier-grid {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .sol-tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

.sol-tier-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.25rem 1.25rem;
  background: rgba(15, 26, 47, 0.5);
  border: 1px solid rgba(143, 168, 184, 0.14);
  border-top-width: 2px;
  min-width: 0;
  transition: border-color 0.25s ease;
}

.sol-tier-card:hover {
  border-color: rgba(143, 168, 184, 0.28);
}

.sol-tier-card--core { border-top-color: var(--accent-red); }
.sol-tier-card--key { border-top-color: var(--accent-amber); }
.sol-tier-card--normal { border-top-color: var(--accent-cyan); }

.sol-tier-card__head {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(143, 168, 184, 0.12);
}

.sol-tier-card__title {
  font-size: 1.25rem;
  color: #fff;
  margin: 0.65rem 0 0.45rem;
  line-height: 1.3;
}

.sol-tier-card__response {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.sol-tier-card__response strong {
  color: var(--text-primary);
  font-weight: 600;
}

.sol-tier-card--core .sol-tier-card__response strong { color: var(--accent-red); }
.sol-tier-card--key .sol-tier-card__response strong { color: var(--accent-amber); }
.sol-tier-card--normal .sol-tier-card__response strong { color: var(--accent-cyan); }

.sol-tier-card__specs {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.sol-tier-card__specs > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sol-tier-card__specs dt {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(148, 163, 184, 0.9);
}

.sol-tier-card__specs dd {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* 覆盖半径矩阵 */
.sol-range-matrix {
  padding: 1.25rem 1.15rem;
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 184, 0.14);
  overflow-x: auto;
}

.sol-range-matrix__row {
  display: grid;
  grid-template-columns: 5.5rem repeat(3, minmax(5.5rem, 1fr));
  gap: 0.65rem 0.85rem;
  align-items: center;
  padding: 0.55rem 0;
}

.sol-range-matrix__row + .sol-range-matrix__row {
  border-top: 1px solid rgba(143, 168, 184, 0.1);
}

.sol-range-matrix__row--head {
  padding-bottom: 0.75rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid rgba(143, 168, 184, 0.14);
}

.sol-range-matrix__corner {
  min-width: 0;
}

.sol-range-matrix__col {
  font-family: var(--font-tech);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.sol-range-matrix__col--core { color: var(--accent-red); }
.sol-range-matrix__col--key { color: var(--accent-amber); }
.sol-range-matrix__col--general { color: var(--accent-cyan); }

.sol-range-matrix__label {
  font-family: var(--font-tech);
  font-size: 0.78rem;
  color: rgba(148, 163, 184, 0.95);
  padding-right: 0.5rem;
}

.sol-range-matrix__cell {
  min-width: 0;
}

.sol-range-matrix__val {
  display: block;
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.sol-range-matrix__cell .bar-track {
  height: 3px;
}

/* 处置流程网格 */
.sol-flow-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
  counter-reset: sol-flow;
}

@media (min-width: 640px) {
  .sol-flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .sol-flow-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .sol-flow-step:nth-child(5),
  .sol-flow-step:nth-child(6),
  .sol-flow-step:nth-child(7) {
    grid-column: span 1;
  }
}

.sol-flow-step {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem;
  background: rgba(15, 26, 47, 0.45);
  border: 1px solid rgba(143, 168, 184, 0.12);
  border-left: 2px solid rgba(0, 180, 255, 0.45);
  min-width: 0;
}

.sol-flow-step--warn { border-left-color: rgba(255, 184, 0, 0.65); }
.sol-flow-step--act { border-left-color: rgba(255, 59, 92, 0.65); }
.sol-flow-step--done { border-left-color: rgba(0, 255, 148, 0.55); }

.sol-flow-step__idx {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: rgba(148, 163, 184, 0.75);
}

.sol-flow-step__text {
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-primary);
}

@media (max-width: 767px) {
  .sol-bento__kv { grid-template-columns: 1fr; }

  .sol-range-matrix__row {
    grid-template-columns: 4.5rem repeat(3, minmax(4.5rem, 1fr));
    gap: 0.5rem 0.55rem;
  }

  .sol-range-matrix__col,
  .sol-range-matrix__label {
    font-size: 0.72rem;
  }
}

@media (max-width: 479px) {
  .sol-section { padding: 3.25rem 0; }
  .sol-bento__platform { padding: 1.2rem 1.1rem; }
  .sol-tier-card__title { font-size: 1.1rem; }
}

/* 链接默认重置 ----------------------------------------------- */
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* 焦点可见 --------------------------------------------------- */
a:focus-visible,
button:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible,
.lang-toggle:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}