*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --jds-indigo: #3d429c;
  --jds-teal: #3ab6ad;
  --jds-blue: #7495d9;
  --jds-blue-bg: #e5f2f1;
  --jds-teal-bg: #99d7d3;
  --text-dark: #1a1a2e;
  --text-gray: #64748b;
  --text-light: #94a3b8;
  --bg-white: #ffffff;
  --bg-light: #f8fafb;
  --bg-section: #f1f5f9;
  /* 分组颜色 */
  --group-entry: #22c55e;
  --group-entry-bg: rgba(34, 197, 94, 0.08);
  --group-prepare: #3b82f6;
  --group-prepare-bg: rgba(59, 130, 246, 0.08);
  --group-execute: #8b5cf6;
  --group-execute-bg: rgba(139, 92, 246, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Noto Sans SC",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== Navigation - 简化版 ==================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-logo {
  height: 64px;
  width: auto;
}

.nav-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--jds-teal);
}

.nav-slogan {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.nav-slogan span {
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== Hero - 浅色主题版 ==================== */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fafb 0%, #e5f2f1 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: glowPulse 8s ease-in-out infinite;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--jds-teal-bg);
  top: -150px;
  right: -100px;
  animation-delay: 0s;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--jds-blue-bg);
  bottom: -100px;
  left: -100px;
  animation-delay: 4s;
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.2;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.1);
  }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 66, 156, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 66, 156, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(61, 66, 156, 0.08);
  border: 1px solid rgba(61, 66, 156, 0.15);
  color: var(--jds-indigo);
  border-radius: 30px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--jds-teal);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(61, 66, 156, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(61, 66, 156, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: white;
  border: 1px solid rgba(61, 66, 156, 0.2);
  color: var(--jds-indigo);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(61, 66, 156, 0.05);
  border-color: rgba(61, 66, 156, 0.3);
}

/* ==================== 核心数据亮点 - 紧凑版 ==================== */
.stats {
  padding: 40px 0 20px;
  background: transparent;
}

.stats-grid {
  display: flex;
  justify-content: center;
  gap: 60px;
}

.stat-item {
  text-align: center;
  padding: 0;
  background: none;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 12px;
  background: linear-gradient(135deg, rgba(61, 66, 156, 0.1), rgba(58, 182, 173, 0.1));
}

.stat-item:nth-child(1) .stat-icon {
  background: linear-gradient(135deg, rgba(58, 182, 173, 0.15), rgba(58, 182, 173, 0.05));
}

.stat-item:nth-child(2) .stat-icon {
  background: linear-gradient(135deg, rgba(61, 66, 156, 0.15), rgba(61, 66, 156, 0.05));
}

.stat-item:nth-child(3) .stat-icon {
  background: linear-gradient(135deg, rgba(116, 149, 217, 0.15), rgba(116, 149, 217, 0.05));
}

.stat-item:nth-child(4) .stat-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(139, 92, 246, 0.05));
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-gray);
}

@media (max-width: 900px) {
  .stats-grid {
    flex-wrap: wrap;
    gap: 30px 40px;
  }
}

@media (max-width: 500px) {
  .stats-grid {
    gap: 24px 32px;
  }
  .stat-number {
    font-size: 1.6rem;
  }
  .hero-title {
    font-size: 2.5rem;
  }
}

/* ==================== 多端产品矩阵 - 炫酷错位版 ==================== */
.platforms {
  min-height: 100vh;
  padding: 80px 0;
  background: linear-gradient(180deg, #f8fafb 0%, #e5f2f1 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.platforms-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.platforms-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.platforms-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--jds-teal-bg);
  top: -150px;
  right: -100px;
}

.platforms-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--jds-blue-bg);
  bottom: -100px;
  left: -100px;
}

.platforms-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 66, 156, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 66, 156, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.platforms-header {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.platforms-label {
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(58, 182, 173, 0.1), rgba(116, 149, 217, 0.1));
  color: var(--jds-indigo);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 20px;
  margin-bottom: 10px;
  border: 1px solid rgba(58, 182, 173, 0.2);
}

.platforms-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.scroll-arrow {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-decoration: none;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow span {
  display: block;
  width: 10px;
  height: 10px;
  border-right: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(45deg);
  margin-top: -3px;
}

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

.platforms-desc {
  font-size: 1.1rem;
  color: var(--text-gray);
}

.platforms-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 40px;
  perspective: 1200px;
}

.platform-item {
  text-align: center;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* 两侧设备 - 2/3大小 */
.platform-side {
  transform: scale(1);
}

/* 中间手机 - 主角 */
.platform-center {
  z-index: 10;
}

.platform-side:hover {
  transform: scale(1.1);
  z-index: 5;
}

.platform-center:hover {
  transform: scale(1.08);
}

.platform-device-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--jds-teal);
  margin-bottom: 16px;
  text-align: center;
  position: relative;
  display: inline-block;
  width: 100%;
}

.platform-device-name::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  max-width: 60px;
  height: 1px;
  border-bottom: 1px dotted var(--jds-teal);
}

.platform-device {
  margin-bottom: 28px;
  cursor: pointer;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.platform-device::before {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 20px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.15) 0%, transparent 70%);
  filter: blur(8px);
  transition: all 0.4s ease;
}

.platform-device:hover::before {
  width: 90%;
  opacity: 0.8;
}

/* 点击引导图标 */
.tap-hint {
  position: absolute;
  top: 38%;
  right: 38%;
  width: 28px;
  height: 28px;
  pointer-events: none;
  z-index: 20;
}

.tap-hint::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--jds-teal);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: tapPulse 2s ease-in-out infinite;
}

.tap-hint::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  border: 2px solid var(--jds-teal);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: tapRipple 2s ease-in-out infinite;
}

@keyframes tapPulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.8;
  }
}

@keyframes tapRipple {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
}

/* 设备样式 - 手机放大为主角（2倍大小） */
.device-phone {
  width: 280px;
  height: 580px;
  background: #1f2937;
  border-radius: 3.5rem;
  padding: 12px;
  position: relative;
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.35);
}

.device-phone::before {
  content: "";
  position: absolute;
  right: -2px;
  top: 80px;
  width: 2px;
  height: 36px;
  background: #374151;
  border-radius: 0 2px 2px 0;
}

.device-phone::after {
  content: "";
  position: absolute;
  left: -2px;
  top: 72px;
  width: 2px;
  height: 20px;
  background: #374151;
  border-radius: 2px 0 0 2px;
  box-shadow:
    0 30px 0 #374151,
    0 56px 0 #374151;
}

.device-phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--jds-blue-bg), #f0f7f6);
  border-radius: 2.2rem;
  overflow: hidden;
  position: relative;
  color: var(--text-light);
  font-size: 0.85rem;
}

.device-phone-screen::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 18px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 1rem;
  z-index: 10;
}

.device-phone-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.device-tablet {
  width: 380px;
  height: 264px;
  background: #1f2937;
  border-radius: 1.4rem;
  padding: 8px;
  position: relative;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25);
}

.device-tablet::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
}

.device-tablet-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--jds-blue-bg), #f0f7f6);
  border-radius: 0.8rem;
  overflow: hidden;
  color: var(--text-light);
  font-size: 0.8rem;
}

.device-tablet-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.device-pc {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.device-pc-monitor {
  width: 420px;
  height: 280px;
  background: #1f2937;
  border-radius: 1rem;
  padding: 8px 8px 20px 8px;
  position: relative;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25);
}

.device-pc-screen {
  width: 100%;
  height: 240px;
  background: linear-gradient(145deg, var(--jds-blue-bg), #f0f7f6);
  border-radius: 0.5rem;
  overflow: hidden;
  color: var(--text-light);
  font-size: 0.8rem;
}

.device-pc-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.device-pc-stand {
  width: 60px;
  height: 40px;
  background: linear-gradient(180deg, #374151, #1f2937);
}

.device-pc-base {
  width: 120px;
  height: 8px;
  background: #374151;
  border-radius: 0 0 6px 6px;
}

.platforms-brand-corner {
  position: absolute;
  top: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.platforms-logo {
  height: 64px;
  width: auto;
}

.platforms-brand {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--jds-teal);
  margin: 0;
}

/* ==================== 语言切换器 ==================== */
.lang-switcher {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 10;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.12);
}

.lang-icon {
  width: 18px;
  height: 18px;
  stroke: var(--jds-teal);
}

.lang-text {
  color: var(--text-dark);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 4px;
  min-width: 100px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lang-switcher:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  border-radius: 6px;
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.15s ease;
}

.lang-option:hover {
  background: rgba(58, 182, 173, 0.1);
}

.lang-option.active {
  background: var(--jds-teal);
  color: white;
}

.platform-label {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--jds-indigo);
  margin-bottom: 6px;
}

.platform-sublabel {
  font-size: 0.9rem;
  color: var(--text-gray);
}

/* ==================== Features - 产品特色 ==================== */
.features {
  padding: 100px 0;
  background: linear-gradient(180deg, #fafbfc 0%, #f1f5f9 100%);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
}

.features-header {
  text-align: center;
  margin-bottom: 60px;
}

.features-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(58, 182, 173, 0.1));
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--jds-indigo);
  margin-bottom: 20px;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.features-label::before {
  content: "✦";
  font-size: 0.7rem;
}

.features-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.features-title span {
  background: linear-gradient(135deg, var(--jds-indigo), var(--jds-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.features-desc {
  font-size: 1.1rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.feature-card {
  background: white;
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.2);
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  background: linear-gradient(135deg, rgba(58, 182, 173, 0.1), rgba(58, 182, 173, 0.05));
}

.feature-icon {
  font-size: 1.8rem;
}

.feature-icon {
  color: var(--jds-teal);
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  text-align: center;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 16px;
  text-align: center;
}

.feature-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: center;
}

.feature-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 20px;
  color: var(--text-gray);
  border: 1px solid rgba(0, 0, 0, 0.04);
  white-space: nowrap;
}

/* ==================== Footer ==================== */
.footer {
  background: linear-gradient(180deg, var(--bg-section) 0%, #e8f4f3 100%);
  padding: 24px 0;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--jds-teal), transparent);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}

.footer-brand {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-gray);
}

.footer-copyright {
  color: var(--text-light);
  font-size: 0.8rem;
}

/* ==================== 星图展示 - 重构版 ==================== */
.starmap-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #f8fafc;
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s ease,
    visibility 0.4s ease;
  overflow: hidden;
}

.starmap-overlay.active {
  opacity: 1;
  visibility: visible;
}

.starmap-close {
  position: absolute;
  top: 28px;
  right: 36px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: rgba(0, 0, 0, 0.5);
  transition: all 0.2s ease;
  z-index: 10;
}

.starmap-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.7);
}

.starmap-tabs {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px;
  border-radius: 12px;
  z-index: 10;
}

.starmap-tab {
  padding: 12px 28px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.starmap-tab:hover {
  color: rgba(0, 0, 0, 0.7);
}

.starmap-tab.active {
  background: white;
  color: var(--jds-indigo);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.starmap-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1000px;
  height: 700px;
}

/* 中心设备 - 增大尺寸 */
.starmap-device {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
}

/* 设备尺寸 - 适中大小，不遮挡流程卡片 */
.starmap-device-phone {
  width: 314px;
  height: 680px; /* 比例 9:19.5 (iPhone) */
}

.starmap-device-tablet {
  width: 693px;
  height: 482px; /* 比例 1180:820 */
}

.starmap-device-pc {
  width: 700px;
  height: 587px; /* 包含显示器539+支架40+底座8 */
}

/* 设备显示切换 */
.starmap-device-wrapper {
  display: none;
}

.starmap-device-wrapper.active {
  display: block;
}

.starmap-phone {
  width: 100%;
  height: 100%;
  background: #1d1d1f;
  border-radius: 48px;
  padding: 12px;
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.2),
    0 10px 30px rgba(0, 0, 0, 0.15);
  position: relative;
}

.starmap-phone-screen {
  width: 100%;
  height: 100%;
  background: #f5f5f7;
  border-radius: 40px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.starmap-phone-screen::-webkit-scrollbar {
  display: none;
}

.starmap-phone-screen img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.starmap-phone-screen img.active {
  opacity: 1;
}

.starmap-phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 18px;
  z-index: 10;
}

.starmap-screen-placeholder {
  color: rgba(0, 0, 0, 0.3);
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.8;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 平板样式 */
.starmap-tablet {
  width: 100%;
  height: 100%;
  background: #1d1d1f;
  border-radius: 24px;
  padding: 14px;
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.2),
    0 10px 30px rgba(0, 0, 0, 0.15);
  position: relative;
}

.starmap-tablet::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 22px;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  z-index: 10;
}

.starmap-tablet-screen {
  width: 100%;
  height: 100%;
  background: #f5f5f7;
  border-radius: 14px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.starmap-tablet-screen::-webkit-scrollbar {
  display: none;
}

.starmap-tablet-screen img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.starmap-tablet-screen img.active {
  opacity: 1;
}

/* PC样式 */
.starmap-pc {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.starmap-pc-monitor {
  width: 100%;
  height: 539px; /* 屏幕区域 680x503 (1680:1242比例) + padding */
  background: #1d1d1f;
  border-radius: 16px;
  padding: 10px 10px 26px 10px;
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.2),
    0 10px 30px rgba(0, 0, 0, 0.15);
}

.starmap-pc-screen {
  width: 100%;
  height: 503px; /* 1680:1242 比例 (680x503) */
  background: #f5f5f7;
  border-radius: 8px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.starmap-pc-screen::-webkit-scrollbar {
  display: none;
}

.starmap-pc-screen img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.starmap-pc-screen img.active {
  opacity: 1;
}

.starmap-pc-stand {
  width: 80px;
  height: 40px;
  background: linear-gradient(180deg, #374151, #1f2937);
}

.starmap-pc-base {
  width: 160px;
  height: 8px;
  background: #374151;
  border-radius: 0 0 6px 6px;
}

/* 流程卡片 - 分组样式 */
.starmap-node {
  position: absolute;
  width: 120px;
  padding: 18px 14px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

/* 入口组 - 绿色 */
.starmap-node.group-entry {
  border-color: var(--group-entry);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), var(--group-entry-bg));
}

.starmap-node.group-entry .starmap-node-num {
  background: var(--group-entry);
}

/* 准备组 - 蓝色 */
.starmap-node.group-prepare {
  border-color: var(--group-prepare);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), var(--group-prepare-bg));
}

.starmap-node.group-prepare .starmap-node-num {
  background: var(--group-prepare);
}

/* 执行组 - 紫色 */
.starmap-node.group-execute {
  border-color: var(--group-execute);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), var(--group-execute-bg));
}

.starmap-node.group-execute .starmap-node-num {
  background: var(--group-execute);
}

.starmap-node:hover {
  background: rgba(255, 255, 255, 0.98);
  transform: scale(1.06);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.starmap-node.active {
  background: white;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  transform: scale(1.08);
}

.starmap-node-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.starmap-node-title {
  color: rgba(0, 0, 0, 0.85);
  font-size: 0.82rem;
  font-weight: 600;
}

/* 编号样式 - 增强顺序感 */
.starmap-node-num {
  position: absolute;
  width: 28px;
  height: 28px;
  background: var(--jds-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border: 2px solid white;
  /* 默认左上角 */
  top: -10px;
  left: -10px;
}

/* 角标统一在左上角 */

/* 漂浮动画 */
@keyframes float1 {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(4px, -6px);
  }
}

@keyframes float2 {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-5px, 5px);
  }
}

@keyframes float3 {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(5px, 4px);
  }
}

.starmap-node:nth-child(odd) {
  animation: float1 8s ease-in-out infinite;
}
.starmap-node:nth-child(even) {
  animation: float2 9s ease-in-out infinite;
}
.starmap-node:nth-child(3n) {
  animation: float3 10s ease-in-out infinite;
}

.starmap-node:hover,
.starmap-node.active {
  animation-play-state: paused;
}

/* SVG连线层 */
.starmap-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* 组内连线 - 密集虚线 */
.starmap-line {
  fill: none;
  stroke: rgba(0, 0, 0, 0.12);
  stroke-width: 1.5;
  stroke-dasharray: 3 3;
}

/* 入口组连线 */
.starmap-line.line-entry {
  stroke: var(--group-entry);
  stroke-opacity: 0.4;
}

/* 准备组连线 */
.starmap-line.line-prepare {
  stroke: var(--group-prepare);
  stroke-opacity: 0.4;
}

/* 执行组连线 */
.starmap-line.line-execute {
  stroke: var(--group-execute);
  stroke-opacity: 0.4;
}

/* 组间连线 - 稀疏虚线 */
.starmap-line.line-between {
  stroke: rgba(0, 0, 0, 0.1);
  stroke-width: 1;
  stroke-dasharray: 6 8;
}

/* 流动光点 */
.flow-dot {
  opacity: 0.7;
}

.flow-dot.dot-entry {
  fill: var(--group-entry);
}
.flow-dot.dot-prepare {
  fill: var(--group-prepare);
}
.flow-dot.dot-execute {
  fill: var(--group-execute);
}
.flow-dot.dot-between {
  fill: rgba(0, 0, 0, 0.3);
}

.starmap-panel {
  display: none;
}

.starmap-panel.active {
  display: block;
}

/* 设备切换选项 - 左上角竖向排列 */
.starmap-device-switcher {
  position: absolute;
  top: 80px;
  left: 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 10;
}

.starmap-device-btn {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.starmap-device-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  color: rgba(0, 0, 0, 0.7);
  border-color: rgba(0, 0, 0, 0.12);
}

.starmap-device-btn.active {
  background: var(--jds-teal);
  color: white;
  border-color: var(--jds-teal);
  box-shadow: 0 2px 8px rgba(58, 182, 173, 0.3);
}

.starmap-device-icon {
  width: 16px;
  height: 16px;
}

/* 分组图例 - 隐藏 */
.starmap-legend {
  display: none;
}

.starmap-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(0, 0, 0, 0.5);
}

.starmap-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid;
}

.starmap-legend-dot.entry {
  border-color: var(--group-entry);
  background: var(--group-entry-bg);
}

.starmap-legend-dot.prepare {
  border-color: var(--group-prepare);
  background: var(--group-prepare-bg);
}

.starmap-legend-dot.execute {
  border-color: var(--group-execute);
  background: var(--group-execute-bg);
}

.starmap-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(0, 0, 0, 0.35);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==================== Scroll Animations ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 平台设备的特殊transform覆盖 */
.platform-side.fade-in.visible {
  transform: scale(1);
}

.platform-center.fade-in.visible {
  transform: scale(1);
}

.platform-side.fade-in.visible:hover {
  transform: scale(1.1);
}

.platform-center.fade-in.visible:hover {
  transform: scale(1.08);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger animation delays */
.stagger-1 {
  transition-delay: 0.1s;
}
.stagger-2 {
  transition-delay: 0.2s;
}
.stagger-3 {
  transition-delay: 0.3s;
}
.stagger-4 {
  transition-delay: 0.4s;
}

/* ==================== Responsive ==================== */

/* 笔记本/平板横屏 (1200px以下) */
@media (max-width: 1200px) {
  .platforms-showcase {
    flex-wrap: wrap;
    gap: 60px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .starmap-container {
    width: 90vw;
    transform: translate(-50%, -50%) scale(0.8);
  }

  .starmap-device-switcher {
    left: 24px;
  }
}

/* 平板竖屏/大手机 (768px以下) */
@media (max-width: 768px) {
  /* 导航栏 */
  .nav {
    padding: 12px 0;
  }

  .nav-logo {
    height: 48px;
  }

  .nav-name {
    font-size: 0.95rem;
  }

  .nav-slogan {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 100px 16px 40px;
  }

  .hero-badge {
    font-size: 0.65rem;
    padding: 6px 14px;
  }

  .hero-title {
    font-size: 1.8rem;
    letter-spacing: -0.5px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }

  /* 统计 */
  .stats {
    padding: 30px 0 15px;
  }

  .stats-grid {
    gap: 24px 32px;
  }

  .stat-icon {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

  /* 产品矩阵 */
  .platforms {
    min-height: auto;
    padding: 60px 0;
  }

  .platforms-header {
    margin-bottom: 50px;
  }

  .platforms-title {
    font-size: 1.8rem;
  }

  .platforms-desc {
    font-size: 0.95rem;
  }

  .platforms-showcase {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .platform-side,
  .platform-center {
    transform: none !important;
    opacity: 1 !important;
  }

  .platform-device-name {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .device-phone {
    width: 180px;
    height: 380px;
    border-radius: 2.5rem;
    padding: 10px;
  }

  .device-phone-screen {
    border-radius: 1.8rem;
  }

  .device-tablet {
    width: 240px;
    height: 167px;
    border-radius: 1rem;
    padding: 6px;
  }

  .device-tablet-screen {
    border-radius: 0.6rem;
  }

  .device-pc-monitor {
    width: 260px;
    height: 175px;
    border-radius: 0.8rem;
    padding: 6px 6px 16px 6px;
  }

  .device-pc-screen {
    height: 145px;
    border-radius: 0.4rem;
  }

  .device-pc-stand {
    width: 50px;
    height: 32px;
  }

  .device-pc-base {
    width: 100px;
    height: 6px;
  }

  .platform-label {
    font-size: 1rem;
  }

  .platform-sublabel {
    font-size: 0.8rem;
  }

  .tap-hint {
    width: 24px;
    height: 24px;
  }

  /* 特性 */
  .features {
    padding: 60px 0;
  }

  .features-header {
    margin-bottom: 40px;
  }

  .features-title {
    font-size: 1.6rem;
  }

  .features-desc {
    font-size: 0.95rem;
    padding: 0 16px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 16px;
  }

  .feature-card {
    padding: 24px 20px;
    border-radius: 16px;
  }

  .feature-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 16px;
  }

  .feature-icon {
    font-size: 1.5rem;
  }

  .feature-title {
    font-size: 1.05rem;
  }

  .feature-desc {
    font-size: 0.85rem;
  }

  /* 语言切换器移动端 */
  .lang-switcher {
    top: 16px;
    right: 16px;
  }

  .lang-btn {
    padding: 8px;
  }

  .lang-text {
    display: none;
  }

  /* Footer */
  .footer {
    padding: 20px 0;
  }

  .footer-content {
    gap: 8px;
  }

  .footer-brand {
    font-size: 0.85rem;
  }

  .footer-copyright {
    font-size: 0.75rem;
  }

  /* 星图弹窗 - 移动端完全重构 */
  .starmap-overlay {
    overflow-y: auto;
  }

  .starmap-close {
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .starmap-tabs {
    top: 16px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    padding: 3px;
    border-radius: 10px;
  }

  .starmap-tab {
    padding: 8px 14px;
    font-size: 0.8rem;
    border-radius: 8px;
  }

  .starmap-device-switcher {
    position: fixed;
    top: auto;
    bottom: 20px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    flex-direction: row;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    height: auto;
    background: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .starmap-device-btn {
    padding: 8px 12px;
    font-size: 0.7rem;
    height: auto;
  }

  .starmap-device-icon {
    width: 14px;
    height: 14px;
  }

  .starmap-container {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height: auto;
    padding: 80px 4px 80px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px 4px;
    justify-items: center;
  }

  .starmap-lines {
    grid-column: 1 / -1;
  }

  .starmap-device {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
  }

  .starmap-device-phone {
    width: 95vw;
    max-width: 400px;
    height: auto;
    aspect-ratio: 9 / 19.5;
  }

  .starmap-device-tablet {
    width: 90vw;
    max-width: 400px;
    height: auto;
    aspect-ratio: 1180 / 820;
  }

  .starmap-device-pc {
    width: 90vw;
    max-width: 420px;
    height: auto;
  }

  .starmap-phone {
    border-radius: 32px;
    padding: 10px;
  }

  .starmap-phone-screen {
    border-radius: 26px;
  }

  .starmap-phone-notch {
    width: 70px;
    height: 22px;
    border-radius: 14px;
  }

  .starmap-tablet {
    border-radius: 16px;
    padding: 10px;
  }

  .starmap-tablet-screen {
    border-radius: 10px;
  }

  .starmap-pc-monitor {
    border-radius: 12px;
    padding: 8px 8px 20px 8px;
    height: auto;
  }

  .starmap-pc-screen {
    height: auto;
    aspect-ratio: 1680 / 1242;
    border-radius: 6px;
  }

  .starmap-pc-stand {
    width: 60px;
    height: 30px;
  }

  .starmap-pc-base {
    width: 120px;
    height: 6px;
  }

  /* 流程卡片 - 移动端横向排列，一行最多4个 */
  .starmap-panel {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 0;
  }

  .starmap-panel.active {
    display: block;
  }

  .starmap-lines {
    display: none;
  }

  .starmap-node {
    position: relative !important;
    width: 100%;
    max-width: 85px;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    animation: none !important;
    padding: 12px 8px;
    border-radius: 10px;
    border-width: 1.5px;
  }

  .starmap-node-icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
  }

  .starmap-node-title {
    font-size: 0.75rem;
    line-height: 1.3;
  }

  .starmap-node-num {
    width: 16px;
    height: 16px;
    font-size: 0.55rem;
    top: -4px;
    left: -4px;
    border-width: 1.5px;
  }

  .starmap-legend {
    display: none;
  }

  .starmap-hint {
    display: none;
  }

  /* 图片查看器移动端 */
  .image-viewer-close {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .image-viewer-zoom {
    bottom: 16px;
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .image-viewer-zoom button {
    width: 28px;
    height: 28px;
    font-size: 1rem;
  }
}

/* 小手机 (480px以下) */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .stats-grid {
    gap: 20px 24px;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .platforms-title {
    font-size: 1.5rem;
  }

  .device-phone {
    width: 160px;
    height: 340px;
  }

  .device-tablet {
    width: 200px;
    height: 139px;
  }

  .device-pc-monitor {
    width: 220px;
    height: 150px;
  }

  .device-pc-screen {
    height: 120px;
  }

  .features-title {
    font-size: 1.4rem;
  }

  .feature-card {
    padding: 20px 16px;
  }

  .starmap-tabs {
    gap: 1px;
  }

  .starmap-tab {
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .starmap-device-phone {
    width: 220px;
    height: 476px;
  }

  .starmap-device-tablet {
    width: 92vw;
    max-width: 360px;
  }

  .starmap-device-pc {
    width: 92vw;
    max-width: 380px;
  }

  .starmap-node {
    width: 80px;
    max-width: 80px;
    padding: 10px 6px;
  }

  .starmap-node-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
  }

  .starmap-node-title {
    font-size: 0.75rem;
  }

  .starmap-node-num {
    width: 14px;
    height: 14px;
    font-size: 0.5rem;
    top: -3px;
    left: -3px;
  }

  .starmap-panel.active {
    gap: 6px;
  }

  .starmap-device-btn {
    padding: 6px 10px;
    font-size: 0.7rem;
  }

  .starmap-device-icon {
    width: 12px;
    height: 12px;
  }
}

/* ==================== 图片放大查看器 ==================== */
.image-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.image-viewer.active {
  opacity: 1;
  visibility: visible;
}

.image-viewer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
}

.image-viewer-content {
  position: relative;
  cursor: grab;
  user-select: none;
}

.image-viewer-content.dragging {
  cursor: grabbing;
}

.image-viewer-content img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform-origin: center center;
  transition: transform 0.1s ease;
}

.image-viewer-zoom {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.6);
  padding: 8px 16px;
  border-radius: 20px;
  color: #fff;
  font-size: 0.85rem;
  z-index: 10001;
}

.image-viewer-zoom button {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.image-viewer-zoom button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.image-viewer-zoom span {
  min-width: 50px;
  text-align: center;
}

.image-viewer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: #3ab6ad;
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10001;
  box-shadow: 0 4px 12px rgba(58, 182, 173, 0.4);
}

.image-viewer-close:hover {
  background: #2da39a;
  transform: scale(1.1);
}