/* ============================================
   薄荷奇点 - 全屏卡片品牌视觉样式
   ============================================ */

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

/* 滚动捕捉容器 - 包裹第1-10屏 */
.snap-container {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100vh;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
}

.snap-container::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

/* 设计变量 */
:root {
  /* 主色调 - 深空黑/曜石灰 */
  --bg-primary: #050810;
  --bg-secondary: #0a0e1a;
  --bg-tertiary: #121827;

  /* 核心高亮色 - 荧光薄荷绿 */
  --accent-primary: #39FF14;
  --accent-secondary: #00FFA3;
  --accent-glow: rgba(57, 255, 20, 0.5);

  /* 辅助色 - 科技蓝紫 */
  --tech-blue: #00D4FF;
  --tech-purple: #7B68EE;
  --tech-pink: #FF6B9D;

  /* 文字颜色 */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);

  /* 边框与分割线 */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(57, 255, 20, 0.4);
  --glass-border: rgba(255, 255, 255, 0.1);

  /* 毛玻璃效果 */
  --glass-bg: rgba(18, 24, 39, 0.6);
  --glass-blur: blur(20px);
}

/* 基础样式 */
body {
  font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

a { text-decoration: none; color: inherit; transition: all 0.3s; }
ul { list-style: none; }

/* 允许文本选择的元素 - 仅限需要复制的内容 */
.team-exp-item, .record-list li, .footer-col ul li a {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 所有 p 标签和其他文本禁用选择 */
p, .panel-text, .solution-desc, .roi-desc, .modal-header p,
.team-experience, .section-desc, .stat-label, .roi-label, .roi-desc,
.panel-text, .solution-desc, .team-exp-highlight, .stat-text {
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
}

/* 禁用选择的交互元素 */
button, .cta-btn, .nav-link, .engine-card, .roi-card,
.glass-card, .support-card, .industry-tab,
.patent-item, .honor-item, .back-top, .nav-dot {
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   全屏卡片基础样式
   ============================================ */
.full-screen-card {
  position: relative;
  min-height: 100vh;
  height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.95) translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.full-screen-card.in-view {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  overflow: hidden;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.full-screen-card:hover .card-bg {
  transform: scale(1.02);
}

.card-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding: 0 24px;
}

/* ============================================
   顶部导航栏
   ============================================ */
.glass-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 8, 16, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.glass-header.scrolled {
  background: rgba(5, 8, 16, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.logo-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--accent-primary), 0 0 30px var(--accent-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 15px var(--accent-primary), 0 0 30px var(--accent-primary); }
  50% { opacity: 0.8; transform: scale(1.2); box-shadow: 0 0 20px var(--accent-primary), 0 0 40px var(--accent-primary); }
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 10px 18px;
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
  background: rgba(57, 255, 20, 0.08);
}

.dropdown-arrow {
  transition: transform 0.3s;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  padding: 8px;
  border-radius: 12px;
  z-index: 1001;
}

.glass-dropdown {
  background: rgba(10, 14, 26, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.dropdown-menu a {
  display: block;
  padding: 12px 16px;
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.3s;
}

.dropdown-menu a:hover {
  color: var(--accent-primary);
  background: rgba(57, 255, 20, 0.1);
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

/* CTA按钮 */
.cta-btn {
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.glow-btn {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: var(--bg-primary);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.3);
}

.glow-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(57, 255, 20, 0.5);
}

.primary-glow {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(57, 255, 20, 0.3);
}

.primary-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(57, 255, 20, 0.4);
}

.primary-glow.large {
  padding: 16px 40px;
  font-size: 16px;
}

.outline-btn {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.outline-btn:hover {
  background: rgba(57, 255, 20, 0.1);
}

/* 移动端菜单按钮 */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   第一屏：AI智能体英雄区
   ============================================ */
#hero {
  background: radial-gradient(ellipse at 50% 50%, #0d1530 0%, #050810 70%);
}

/* 第一屏版心容器 */
.hero-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

#hero .card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  max-width: 700px;
  flex: 1;
}

/* AI核心球体 */
.ai-core {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-sphere {
  position: relative;
  width: 320px;
  height: 320px;
}

/* 主球体 - 神秘呼吸效果 */
.sphere-main {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  background: radial-gradient(circle at 35% 35%, rgba(0, 255, 163, 0.8), var(--accent-primary) 40%, transparent 75%);
  border-radius: 50%;
  box-shadow:
    0 0 80px rgba(57, 255, 20, 0.4),
    0 0 160px rgba(57, 255, 20, 0.2),
    inset 0 0 80px rgba(0, 255, 163, 0.3),
    inset -20px -20px 60px rgba(123, 104, 238, 0.2);
  animation: sphere-breathe 6s ease-in-out infinite;
}

@keyframes sphere-breathe {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow:
      0 0 80px rgba(57, 255, 20, 0.4),
      0 0 160px rgba(57, 255, 20, 0.2),
      inset 0 0 80px rgba(0, 255, 163, 0.3),
      inset -20px -20px 60px rgba(123, 104, 238, 0.2);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    box-shadow:
      0 0 120px rgba(57, 255, 20, 0.5),
      0 0 200px rgba(57, 255, 20, 0.3),
      inset 0 0 100px rgba(0, 255, 163, 0.4),
      inset -30px -30px 80px rgba(123, 104, 238, 0.3);
  }
}

/* 外圈旋转环 - 神秘光环 */
.sphere-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.sphere-ring.ring-1 {
  width: 220px;
  height: 220px;
  border: 1px solid transparent;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.4), transparent) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ring-rotate 30s linear infinite;
}

.sphere-ring.ring-2 {
  width: 270px;
  height: 270px;
  border: 1px solid transparent;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ring-rotate-reverse 35s linear infinite;
}

.sphere-ring.ring-3 {
  width: 320px;
  height: 320px;
  border: 1px dashed rgba(123, 104, 238, 0.25);
  animation: ring-rotate 40s linear infinite;
}

@keyframes ring-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes ring-rotate-reverse {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to { transform: translate(-50%, -50%) rotate(0deg); }
}

/* 网格球体 */
.sphere-grid {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 15px, rgba(57, 255, 20, 0.1) 15px, rgba(57, 255, 20, 0.1) 16px),
    repeating-linear-gradient(90deg, transparent, transparent 15px, rgba(57, 255, 20, 0.1) 15px, rgba(57, 255, 20, 0.1) 16px);
  animation: grid-rotate 60s linear infinite;
  mask-image: radial-gradient(circle, transparent 30%, black 70%);
  -webkit-mask-image: radial-gradient(circle, transparent 30%, black 70%);
}

@keyframes grid-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 轨道上的粒子 */
.orbit-particles {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}

.orbit-particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow:
    0 0 20px var(--accent-primary),
    0 0 40px rgba(57, 255, 20, 0.6),
    0 0 60px rgba(57, 255, 20, 0.3);
  animation: particle-pulse 2s ease-in-out infinite;
}

.orbit-particle:nth-child(1) {
  animation: orbit1 15s linear infinite, particle-pulse 2s ease-in-out infinite;
}

.orbit-particle:nth-child(2) {
  background: var(--tech-blue);
  box-shadow:
    0 0 20px var(--tech-blue),
    0 0 40px rgba(0, 212, 255, 0.6),
    0 0 60px rgba(0, 212, 255, 0.3);
  animation: orbit2 18s linear infinite, particle-pulse 2.5s ease-in-out infinite;
}

.orbit-particle:nth-child(3) {
  background: var(--tech-purple);
  box-shadow:
    0 0 20px var(--tech-purple),
    0 0 40px rgba(123, 104, 238, 0.6),
    0 0 60px rgba(123, 104, 238, 0.3);
  animation: orbit3 20s linear infinite, particle-pulse 3s ease-in-out infinite;
}

@keyframes particle-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.8); }
}

@keyframes orbit1 {
  from { transform: rotate(0deg) translateX(130px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(130px) rotate(-360deg); }
}

@keyframes orbit2 {
  from { transform: rotate(120deg) translateX(100px) rotate(-120deg); }
  to { transform: rotate(480deg) translateX(100px) rotate(-480deg); }
}

@keyframes orbit3 {
  from { transform: rotate(240deg) translateX(150px) rotate(-240deg); }
  to { transform: rotate(600deg) translateX(150px) rotate(-600deg); }
}

/* 背景星点 */
.bg-stars {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: star-twinkle 3s ease-in-out infinite;
}

.star:nth-child(1) { width: 2px; height: 2px; top: 15%; left: 10%; animation-delay: 0s; }
.star:nth-child(2) { width: 1px; height: 1px; top: 25%; left: 85%; animation-delay: 0.5s; }
.star:nth-child(3) { width: 2px; height: 2px; top: 65%; left: 15%; animation-delay: 1s; }
.star:nth-child(4) { width: 1px; height: 1px; top: 75%; left: 90%; animation-delay: 1.5s; }
.star:nth-child(5) { width: 3px; height: 3px; top: 35%; left: 5%; animation-delay: 2s; opacity: 0.6; }
.star:nth-child(6) { width: 1px; height: 1px; top: 45%; left: 95%; animation-delay: 2.5s; }
.star:nth-child(7) { width: 2px; height: 2px; top: 85%; left: 25%; animation-delay: 0.3s; }
.star:nth-child(8) { width: 1px; height: 1px; top: 55%; left: 75%; animation-delay: 0.8s; }
.star:nth-child(9) { width: 2px; height: 2px; top: 20%; left: 50%; animation-delay: 1.3s; }
.star:nth-child(10) { width: 1px; height: 1px; top: 70%; left: 40%; animation-delay: 1.8s; }
.star:nth-child(11) { width: 2px; height: 2px; top: 40%; left: 20%; animation-delay: 0.2s; }
.star:nth-child(12) { width: 1px; height: 1px; top: 80%; left: 60%; animation-delay: 0.7s; }

@keyframes star-twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

/* 背景渐变光晕 - 神秘效果 */
.bg-glows {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.bg-glow.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  top: 10%;
  right: 15%;
  animation: mystic-float1 25s ease-in-out infinite;
}

.bg-glow.glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--tech-blue) 0%, transparent 70%);
  bottom: 10%;
  left: 10%;
  animation: mystic-float2 30s ease-in-out infinite;
}

.bg-glow.glow-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--tech-purple) 0%, transparent 70%);
  top: 40%;
  left: 40%;
  animation: mystic-pulse 20s ease-in-out infinite;
}

@keyframes mystic-float1 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  33% { transform: translate(-30px, 40px) scale(1.1); opacity: 0.5; }
  66% { transform: translate(20px, -20px) scale(0.95); opacity: 0.35; }
}

@keyframes mystic-float2 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.25; }
  33% { transform: translate(40px, -30px) scale(1.15); opacity: 0.4; }
  66% { transform: translate(-20px, 30px) scale(0.9); opacity: 0.3; }
}

@keyframes mystic-pulse {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.2; }
  50% { transform: translate(0, 0) scale(1.3); opacity: 0.4; }
}

/* AI标签 */
.ai-label {
  position: relative;
  z-index: 3;
  margin-bottom: 32px;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  background: rgba(57, 255, 20, 0.05);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 50px;
  backdrop-filter: blur(10px);
}

.ai-badge-text {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.ai-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-primary);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* 标题区域 */
.hero-title-section {
  position: relative;
  z-index: 3;
  margin-bottom: 24px;
}

.hero-en-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 8px;
  color: var(--tech-blue);
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-cn-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 24px;
}

.hero-cn-title .main-text {
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-cn-title .accent-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 60px var(--accent-glow);
}

/* 副标题 */
.hero-subtitle {
  position: relative;
  z-index: 3;
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.8;
  max-width: 700px;
  white-space: nowrap;
}

/* CTA按钮组 */
.hero-cta {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 16px;
  margin-bottom: 80px;
}

/* 底部信息 */
.hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
}

/* ============================================
   其他卡片通用样式
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
}

.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* 毛玻璃卡片 */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* 流光边框 */
.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(135deg, var(--accent-primary), transparent 50%, var(--accent-secondary));
  border-radius: 24px;
  z-index: -1;
  opacity: 0.5;
  transition: opacity 0.5s;
}

.glow-border:hover::before {
  opacity: 1;
  animation: border-flow 3s linear infinite;
}

@keyframes border-flow {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* 滚动淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(60px);
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   第二屏：信任背书
   ============================================ */
#trust {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.trust-showcase {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.trust-stats {
  display: flex;
  justify-content: center;
  gap: 80px;
}

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

.trust-stat .stat-number {
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.trust-stat .stat-label {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 12px;
  letter-spacing: 1px;
}

.logo-wall {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.logo-row {
  display: flex;
  justify-content: center;
  gap: 32px;
}

.glass-logo {
  padding: 24px 40px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.3s;
}

.glass-logo:hover {
  color: var(--accent-primary);
  border-color: var(--border-glow);
  background: rgba(57, 255, 20, 0.05);
}

/* ============================================
   第三屏：核心产品
   ============================================ */
#products {
  background: var(--bg-secondary);
}

/* 3大引擎卡片网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
}

/* 引擎卡片 */
.engine-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 220px;
  cursor: pointer;
  position: relative;
}

.engine-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(57, 255, 20, 0.1);
}

/* 卡片展开状态 */
.products-grid.expanded {
  gap: 0;
}

.products-grid.expanded .engine-card {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.products-grid.expanded .engine-card.expanded {
  opacity: 1;
  transform: scale(1);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  width: 80vw;
  max-width: 1000px;
  height: auto;
  max-height: 85vh;
  z-index: 100;
  overflow: hidden;
  cursor: default;
  box-shadow:
    0 50px 100px rgba(0, 0, 0, 0.7),
    0 0 150px rgba(57, 255, 20, 0.15);
  display: flex;
  flex-direction: column;
  padding: 48px;
}

.engine-card.expanded .engine-header {
  border-bottom: none;
  margin-bottom: 32px;
  flex-shrink: 0;
}

.engine-card.expanded .engine-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 24px;
}

.engine-card.expanded .engine-header h3 {
  font-size: 36px;
}

.engine-card.expanded .engine-subtitle {
  font-size: 18px;
}

.engine-card.expanded .engine-features {
  overflow-y: auto;
  padding-right: 10px;
}

/* 隐藏滚动条但保留滚动功能 */
.engine-card.expanded .engine-features::-webkit-scrollbar {
  width: 6px;
}

.engine-card.expanded .engine-features::-webkit-scrollbar-thumb {
  background: rgba(57, 255, 20, 0.2);
  border-radius: 3px;
}

.engine-card.expanded .engine-features::-webkit-scrollbar-track {
  background: transparent;
}

.engine-card.expanded .engine-feature {
  flex-direction: row;
  gap: 24px;
}

.engine-card.expanded .feature-icon {
  width: 64px;
  height: 64px;
  font-size: 32px;
  flex-shrink: 0;
}

.engine-card.expanded .feature-content h4 {
  font-size: 20px;
}

.engine-card.expanded .feature-content p {
  font-size: 15px;
}

.engine-card.expanded .engine-btn {
  padding: 14px 32px;
  font-size: 15px;
  flex-shrink: 0;
}

/* 点击提示 - 默认显示 */
.engine-card::after {
  content: '点击展开详情';
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.6;
  transition: opacity 0.3s;
  pointer-events: none;
}

.engine-card:hover::after {
  opacity: 1;
  color: var(--accent-primary);
}

.engine-card.expanded::after {
  content: '';
  opacity: 0;
}

/* 遮罩层 */
.products-grid::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  pointer-events: none;
}

.products-grid.expanded::before {
  opacity: 1;
  visibility: visible;
}

/* 卡片头部 - 默认状态占满卡片 */
.engine-card:not(.expanded) .engine-header {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  border: none;
}

.engine-card.expanded .engine-header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.engine-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(57, 255, 20, 0.08);
  border-radius: 14px;
  transition: all 0.3s;
}

.engine-icon svg {
  width: 36px;
  height: 36px;
}

.engine-card:hover .engine-icon {
  background: rgba(57, 255, 20, 0.15);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.3);
}

.engine-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.engine-subtitle {
  font-size: 13px;
  color: var(--accent-primary);
  font-weight: 500;
}

/* 功能列表 - 默认隐藏 */
.engine-features {
  display: none;
  flex: 1;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.engine-card.expanded .engine-features {
  display: flex;
  animation: featuresSlideIn 0.4s ease forwards;
}

@keyframes featuresSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 引擎按钮 - 仅展开时显示 */
.engine-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 10px;
  color: var(--accent-primary);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease 0.3s;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  pointer-events: none;
}

.engine-card.expanded .engine-btn {
  display: inline-flex;
  pointer-events: auto;
  z-index: 101;
  animation: btnSlideUp 0.4s ease 0.2s forwards;
}

.engine-card.expanded .engine-btn:hover {
  background: rgba(57, 255, 20, 0.15);
  border-color: var(--accent-primary);
  gap: 12px;
}

.engine-card.expanded .engine-btn:hover .btn-arrow {
  transform: translateX(4px);
}

@keyframes btnSlideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.engine-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
}

.feature-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.feature-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 按钮箭头动画 */
.btn-arrow {
  transition: transform 0.3s;
}

/* ============================================
   第四屏：数据成果（ROI展示）
   ============================================ */
#results {
  background: var(--bg-secondary);
}

.roi-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  width: 100%;
}

.roi-card {
  padding: 40px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.roi-card:hover {
  transform: translateY(-12px) scale(1.03);
  background: rgba(255, 255, 255, 0.06);
}

.roi-number {
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  filter: drop-shadow(0 0 30px rgba(57, 255, 20, 0.4));
}

.roi-number .unit {
  font-size: 32px;
  font-weight: 700;
}

.roi-label {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.roi-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 260px;
}

/* ============================================
   第五屏：行业方案（Tab切换）
   ============================================ */
#industries {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.industry-tabs-container {
  display: flex;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 左侧Tab栏 */
.industry-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 160px;
  flex-shrink: 0;
  justify-content: space-between;

}

.industry-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.industry-tab:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(57, 255, 20, 0.2);
}

.industry-tab.active {
  background: rgba(57, 255, 20, 0.08);
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.15);
}

.industry-tab .tab-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.industry-tab .tab-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.industry-tab.active .tab-text {
  color: var(--accent-primary);
}

/* 右侧内容区 */
.industry-content {
  flex: 1;
  min-width: 0;
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 8px;
}

/* 自定义滚动条 */
.industry-content::-webkit-scrollbar {
  width: 6px;
}

.industry-content::-webkit-scrollbar-thumb {
  background: rgba(57, 255, 20, 0.3);
  border-radius: 3px;
}

.industry-content::-webkit-scrollbar-track {
  background: transparent;
}

.industry-panel {
  display: none;
  height: 100%;
  animation: panelFadeIn 0.5s ease;
}

.industry-panel.active {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-section {
  margin-bottom: 28px;
}

/* 移除视频后的 highlight-section 样式已不再需要 */
/* .panel-section.highlight-section {
  background: rgba(57, 255, 20, 0.03);
  border: 1px solid rgba(57, 255, 20, 0.15);
  border-radius: 16px;
  padding: 20px;
  flex: 1;
  margin-bottom: 0;
} */

.panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.panel-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.record-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.record-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.record-list li strong {
  color: var(--accent-primary);
  font-weight: 600;
  white-space: nowrap;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  border-left: 2px solid var(--accent-primary);
}

.solution-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.solution-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.result-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
}

.result-stat .stat-num {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-stat .stat-num.highlight {
  font-size: 32px;
  filter: drop-shadow(0 0 20px rgba(57, 255, 20, 0.5));
}

.result-stat .stat-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 视频展示区域 */
.result-showcase {
  display: flex;
  gap: 16px;
  align-items: stretch;
}

/* 视频相关样式已注释 - 案例视频已移除 */
/* .result-videos {
  display: flex;
  flex: 1;
  gap: 12px;
  flex-shrink: 0;
  width: 340px;
}

.video-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.3s;
  flex: 1;
}

.video-item:hover {
  transform: scale(1.05);
}

.video-poster {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), rgba(0, 212, 255, 0.1));
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(57, 255, 20, 0.2);
}

.video-poster:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
}

.play-icon {
  font-size: 20px;
  color: var(--accent-primary);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.video-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
} */

.result-showcase .result-stats {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  width: 340px;
}

.stat-item {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
  flex: 1;
  border-radius: 8px;
  padding: 12px 8px;
  text-align: center;
}

.stat-item .stat-num {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item.highlight {
  background: rgba(57, 255, 20, 0.05);
  border-color: rgba(57, 255, 20, 0.3);
}

.stat-item.highlight .stat-num {
  font-size: 22px;
  filter: drop-shadow(0 0 10px rgba(57, 255, 20, 0.4));
}

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

/* 视频弹窗（已注释 - 案例视频已移除） */
/* .video-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.video-modal-overlay.show {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 900px;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.video-wrapper {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-wrapper video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
} */

/* ============================================
   第六屏：合伙人招募
   ============================================ */
#partner {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.partner-hero {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.partner-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.partner-title .title-accent {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px var(--accent-glow));
}

.partner-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.8;
}

.partner-cta {
  display: flex;
  justify-content: center;
}

/* ============================================
   第七屏：合伙人条件（圆环架构）
   ============================================ */
#requirements {
  background: var(--bg-secondary);
}

/* 核心展示区域 */
.showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 500px;
}

/* 圆环容器 */
.circle-container {
  position: relative;
  width: 400px;
  height: 400px;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(57, 255, 20, 0.15);
  box-shadow: 0 0 80px rgba(57, 255, 20, 0.1);
}

.sector {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #0a0a0a;
  transition: transform 0.3s ease;
  line-height: 1.4;
}

.sector-cyan { background-color: #70e0e0; }
.sector-purple { background-color: #c09af8; }
.sector-yellow { background-color: #f1d38a; }
.sector-blue { background-color: #6366f1; color: #fff; }
/* 
.sector:hover {
  transform: scale(1.08);
  z-index: 2;
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.3);
}

.center-node:hover {
  transform: translate(-50%, -50%) scale(1.1);
  border-color: rgba(57, 255, 20, 0.6);
  box-shadow: 0 0 50px rgba(57, 255, 20, 0.25);
} */

/* 中心节点 */
.center-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 3;
  border: 3px solid rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.15);
}

.center-node svg {
  margin-bottom: 4px;
  color: var(--accent-primary);
}

.center-node span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 侧边描述文字 */
.desc-item {
  position: absolute;
  width: 280px;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.desc-item p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

.desc-item::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  position: static;
  margin-top: 6px;
}

/* 左上 */
.pos-tl {
  top: 10%;
  left: 0;
  flex-direction: row-reverse;
  text-align: right;
}
.pos-tl::before { background-color: #70e0e0; }

/* 左下 */
.pos-bl {
  bottom: 10%;
  left: 0;
  flex-direction: row-reverse;
  text-align: right;
}
.pos-bl::before { background-color: #f1d38a; }

/* 右上 */
.pos-tr {
  top: 10%;
  right: 0;
}
.pos-tr::before { background-color: #c09af8; }

/* 右下 */
.pos-br {
  bottom: 10%;
  right: 0;
}
.pos-br::before { background-color: #6366f1; }

/* ============================================
   第八屏：合作申请
   ============================================ */
#apply {
  background: radial-gradient(ellipse at 50% 50%, #0d1530 0%, #050810 70%);
}

.support-container {
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}

.support-container h2 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 56px;
}

.support-container h2 .highlight {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.support-cards {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.support-card {
  flex: 1;
  max-width: 210px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 36px 20px 32px;
  transition: all 0.35s ease;
  cursor: default;
}

.support-card:hover {
  transform: translateY(-6px);
  background: rgba(57, 255, 20, 0.04);
  border-color: rgba(57, 255, 20, 0.2);
  box-shadow: 0 12px 40px rgba(57, 255, 20, 0.08);
}

.support-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  color: var(--accent-primary);
  opacity: 0.85;
}

.support-icon svg {
  width: 100%;
  height: 100%;
}

.support-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.support-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: left;
}

/* ============================================
   第九屏：团队实力
   ============================================ */
#team {
  background: radial-gradient(ellipse at 50% 50%, #0a0f1e 0%, #050810 70%);
}

.team-container {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.team-header h1 {
  font-size: 56px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 6px;
}

.team-header p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  letter-spacing: 2px;
  font-weight: 300;
}

.team-card {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 40px;
  text-align: left;
  backdrop-filter: blur(10px);
}

.team-photo {
  flex: 0 0 300px;
  margin-right: 40px;
}

.team-photo-img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 20, 0.15);
}

.photo-placeholder {
  width: 100%;
  height: 350px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(57, 255, 20, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(57, 255, 20, 0.3);
}

.team-info {
  flex: 1;
}

.team-name-row {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
}

.team-name {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-right: 16px;
}

.team-title {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 400;
}

.team-experience {
  list-style: none;
  padding: 0;
  margin: 0;
}

.team-exp-item {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.team-exp-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--accent-primary);
}

.team-exp-highlight {
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================
   第十屏：资质荣誉
   ============================================ */
#honors {
  background: radial-gradient(ellipse at 50% 50%, #0a0f1e 0%, #050810 70%);
}

.honors-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.honors-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 48px;
  letter-spacing: 2px;
}

/* 证书横向滚动轮播 */
.honors-slider {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-bottom: 72px;
}

.honors-slider::before,
.honors-slider::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.honors-slider::before {
  left: 0;
  background: linear-gradient(to right, #0a0f1e, transparent);
}

.honors-slider::after {
  right: 0;
  background: linear-gradient(to left, #0a0f1e, transparent);
}

.honors-slider-track {
  display: inline-flex;
  animation: honors-scroll 30s linear infinite;
}

.honors-slider-track:hover {
  animation-play-state: paused;
}

@keyframes honors-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.honor-item {
  flex: 0 0 auto;
  width: 280px;
  margin: 0 15px;
}

.honor-img {
  width: 280px;
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.honor-img svg {
  width: 100%;
  height: 100%;
}

.honor-img-inner {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.honor-item:hover .honor-img {
  border-color: rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.1);
}

.honor-item p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* 专利软著堆叠区 */
.patent-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 0 0;
  perspective: 1000px;
}

.patent-stack {
  display: flex;
  justify-content: center;
}

.patent-item {
  width: 170px;
  height: 236px;
  margin-left: -130px;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  position: relative;
  cursor: pointer;
}

.patent-item:first-child {
  margin-left: 0;
}

.patent-item svg {
  width: 100%;
  height: 100%;
}

.patent-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

/* 移除专利项的 hover 效果 */

/* .patent-item:hover {
  transform: scale(2.5) translateY(-30px);
  z-index: 100;
  margin-left: -100px;
  margin-right: 20px;
}

.patent-item:first-child:hover {
  margin-left: 0;
  margin-right: 20px;
}

.patent-item:hover ~ .patent-item {
  transform: translateX(30px);
} */

/* ============================================
   第十一屏：CTA行动（非全屏，自然滚动）
   ============================================ */
.cta-section {
  background: radial-gradient(ellipse at 50% 50%, #0d1530 0%, #050810 70%);
  padding: 100px 0 80px;
}

.cta-section .cta-container {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 50px;
  font-size: 14px;
  color: var(--accent-primary);
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.cta-container h2 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.cta-container h2 .highlight {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-container > p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

.cta-actions {
  margin-bottom: 48px;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.feature-icon {
  color: var(--accent-primary);
  font-size: 18px;
}

/* ============================================
   页脚
   ============================================ */
.main-footer {
  background: var(--bg-secondary);
  padding: 60px 0 24px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

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

.footer-col ul li a:hover {
  color: var(--accent-primary);
}

/* 联系信息样式 */
.footer-contact {
  list-style: none;
}

.footer-contact li {
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-label {
  color: var(--text-primary);
  font-weight: 500;
}

/* 二维码区域 */
.qrcode-item {
  text-align: center;
}

.footer-qrcode-img {
  width: 120px;
  height: 120px;
  background: white;
  border-radius: 8px;
  padding: 8px;
  margin: 0 auto 12px;
  object-fit: contain;
}

.qrcode-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 底部版权 */
.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

/* ============================================
   弹窗
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  max-width: 480px;
  width: 90%;
  padding: 48px;
  position: relative;
  background: rgba(10, 14, 26, 0.98);
  border: 1px solid var(--border-glow);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 32px;
}

.modal-header h3 {
  font-size: 28px;
  margin-bottom: 8px;
}

.modal-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* 表单样式 */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 15px;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(57, 255, 20, 0.02);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L2 4h8L6 8z' fill='%2339FF14'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.full-width {
  width: 100%;
}

/* ============================================
   回到顶部按钮
   ============================================ */
.back-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border: none;
  border-radius: 50%;
  color: var(--bg-primary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(57, 255, 20, 0.3);
}

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

.back-top:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(57, 255, 20, 0.5);
}

/* ============================================
   侧边导航点
   ============================================ */
.side-nav {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nav-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.nav-dot::before {
  content: attr(title);
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  padding: 6px 12px;
  background: rgba(10, 14, 26, 0.95);
  border: 1px solid var(--border-glow);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.nav-dot:hover::before {
  opacity: 1;
  visibility: visible;
}

.nav-dot:hover,
.nav-dot.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1200px) {
  .roi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    gap: 24px;
  }

  .engine-card {
    padding: 32px 24px;
    min-height: 480px;
  }

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

  /* 合伙人招募1200px以下 */
  .partner-title {
    font-size: 52px;
  }

  .partner-subtitle {
    font-size: 18px;
  }

  /* 圆环1200px以下 */
  .circle-container {
    width: 350px;
    height: 350px;
  }

  .desc-item {
    width: 240px;
  }

  .desc-item p {
    font-size: 0.88rem;
  }

  .support-card {
    padding: 28px 16px 24px;
  }

  .team-header h1 {
    font-size: 44px;
  }

  .team-photo {
    flex: 0 0 260px;
  }

  .patent-item {
    width: 150px;
    height: 208px;
    margin-left: -100px;
  }
}

@media (max-width: 1024px) {
  .industry-tabs-container {
    flex-direction: column;
    gap: 24px;
  }

  .industry-tabs {
    width: 100%;
  }

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

  .result-showcase {
    flex-direction: column;
  }

  /* 视频相关样式已注释 */
  /* .result-videos {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  } */

  .result-showcase .result-stats {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

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

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

  .trust-stats {
    flex-wrap: wrap;
    gap: 40px;
  }

  .logo-row {
    flex-wrap: wrap;
  }

  /* 合伙人招募1024px以下 */
  .partner-title {
    font-size: 48px;
  }

  /* 圆环1024px以下 */
  .showcase {
    height: auto;
    flex-direction: column;
    gap: 40px;
    padding: 20px 0;
  }

  .desc-item {
    position: static;
    width: 100%;
    max-width: 400px;
    text-align: left;
    padding-left: 24px;
    border-left: 3px solid rgba(57, 255, 20, 0.3);
    flex-direction: row;
    gap: 12px;
  }

  .desc-item::before {
    position: static;
    display: block;
  }

  .circle-container {
    width: 320px;
    height: 320px;
  }

  .ai-sphere {
    transform: scale(0.75);
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero-cn-title {
    font-size: 42px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .engine-card {
    min-height: auto;
  }

  .support-cards {
    flex-wrap: wrap;
    gap: 16px;
  }

  .support-card {
    flex: 1 1 calc(33.33% - 16px);
    max-width: calc(33.33% - 16px);
  }

  .support-container h2 {
    font-size: 34px;
  }

  .team-card {
    flex-direction: column;
  }

  .team-photo {
    flex: 0 0 auto;
    margin-right: 0;
    margin-bottom: 32px;
  }

  .team-photo-img {
    height: 240px;
    max-width: 300px;
    margin: 0 auto;
    display: block;
  }

  .photo-placeholder {
    height: 240px;
    max-width: 300px;
    margin: 0 auto;
  }

  .honors-title {
    font-size: 22px;
    margin-bottom: 36px;
  }

  .honor-item {
    width: 220px;
  }

  .honor-img {
    width: 220px;
    height: 156px;
  }
}

@media (max-width: 768px) {
  .snap-container {
    scroll-snap-type: none;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 8, 16, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    gap: 0;
  }

  .nav-menu.show {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 16px;
    border-radius: 8px;
  }

  .dropdown-menu {
    position: static;
    transform: none;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    padding-left: 16px;
    display: none;
  }

  .nav-dropdown.active .dropdown-menu {
    display: block;
  }

  .mobile-toggle {
    display: flex;
  }

  .glow-btn {
    display: none;
  }

  .full-screen-card {
    min-height: auto;
    height: auto;
    padding: 100px 0;
  }

  .hero-en-title {
    font-size: 12px;
    letter-spacing: 4px;
  }

  .hero-cn-title {
    font-size: 32px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .products-grid.expanded .engine-card.expanded {
    width: 90vw;
    max-height: 80vh;
    padding: 32px 24px;
  }

  .engine-card.expanded .engine-header {
    margin-bottom: 24px;
  }

  .engine-card.expanded .engine-icon {
    width: 80px;
    height: 80px;
  }

  .engine-card.expanded .engine-header h3 {
    font-size: 28px;
  }

  .engine-card.expanded .engine-subtitle {
    font-size: 16px;
  }

  .engine-card.expanded .engine-features {
    gap: 20px;
    margin-bottom: 24px;
  }

  .engine-card.expanded .engine-feature {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .engine-card.expanded .feature-icon {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .engine-card.expanded .feature-content h4 {
    font-size: 16px;
  }

  .engine-card.expanded .feature-content p {
    font-size: 13px;
  }

  .engine-card.expanded .engine-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 14px;
  }

  .engine-card {
    padding: 32px 24px;
  }

  .hero-subtitle {
    font-size: 16px;
    white-space: normal;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .cta-btn {
    width: 100%;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .ai-core {
    order: -1;
    margin-bottom: 40px;
  }

  .ai-sphere {
    transform: scale(0.5);
  }

  .product-grid,
  .results-grid,
  .roi-grid {
    grid-template-columns: 1fr;
  }

  .cta-container h2 {
    font-size: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .modal-content {
    padding: 32px 24px;
  }

  .side-nav {
    display: none;
  }

  .trust-stats {
    gap: 24px;
  }

  .trust-stat .stat-number {
    font-size: 40px;
  }

  .roi-card {
    padding: 32px 20px;
  }

  .roi-number {
    font-size: 48px;
  }

  .roi-number .unit {
    font-size: 24px;
  }

  .roi-desc {
    font-size: 12px;
  }

  /* 行业Tab移动端样式 */
  .industry-tabs-container {
    flex-direction: column;
    gap: 20px;
  }

  .industry-tabs {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .industry-tabs::-webkit-scrollbar {
    display: none;
  }

  .industry-tab {
    min-width: 90px;
    padding: 12px 10px;
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

  .industry-tab .tab-icon {
    font-size: 24px;
  }

  .industry-tab .tab-text {
    font-size: 12px;
  }

  .industry-content {
    width: 100%;
    max-height: 60vh;
  }

  .panel-section {
    margin-bottom: 20px;
  }

  /* 移除视频后的 highlight-section 样式已不再需要 */
  /* .panel-section.highlight-section {
    padding: 16px;
    flex: 1;
    margin-bottom: 0;
  } */

  .panel-title {
    font-size: 14px;
  }

  .panel-text {
    font-size: 13px;
  }

  .solution-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .solution-list li {
    flex-direction: column;
    gap: 6px;
    padding: 12px;
  }

  .solution-label {
    font-size: 13px;
  }

  .solution-desc {
    font-size: 12px;
  }

  .record-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .record-list li {
    flex-direction: column;
    gap: 6px;
    padding: 12px;
  }

  .result-showcase {
    flex-direction: column;
    gap: 16px;
  }

  /* 视频相关样式已注释 */
  /* .result-videos {
    width: 100%;
  }

  .video-item {
    gap: 4px;
  }

  .video-label {
    font-size: 10px;
  } */

  .result-showcase .result-stats {
    width: 100%;
  }

  .stat-item {
    padding: 10px 6px;
  }

  .stat-item .stat-num {
    font-size: 16px;
  }

  .stat-item.highlight .stat-num {
    font-size: 18px;
  }

  .stat-item .stat-text {
    font-size: 10px;
  }

  /* 合伙人招募移动端 */
  .partner-title {
    font-size: 36px;
  }

  .partner-subtitle {
    font-size: 16px;
  }

  .partner-cta .cta-btn {
    padding: 14px 32px;
    font-size: 15px;
  }

  /* 圆环移动端 */
  .showcase {
    height: auto;
    flex-direction: column;
    gap: 24px;
    padding: 16px 0;
  }

  .desc-item {
    position: static;
    width: 100%;
    max-width: 360px;
    text-align: left;
    padding-left: 20px;
    border-left: 3px solid rgba(57, 255, 20, 0.3);
    flex-direction: row;
    gap: 10px;
  }

  .desc-item::before {
    position: static;
    display: block;
  }

  .desc-item p {
    font-size: 0.82rem;
  }

  .circle-container {
    width: 280px;
    height: 280px;
  }

  .sector {
    font-size: 0.9rem;
  }

  .center-node {
    width: 90px;
    height: 90px;
  }

  .center-node span {
    font-size: 0.65rem;
  }

  /* 伙伴支持平板端 */
  .support-container h2 {
    font-size: 32px;
  }

  .support-cards {
    flex-wrap: wrap;
    gap: 16px;
  }

  .support-card {
    flex: 1 1 calc(33.33% - 16px);
    max-width: calc(33.33% - 16px);
    min-width: 180px;
  }

  .team-header h1 {
    font-size: 36px;
    letter-spacing: 4px;
  }

  .team-header p {
    font-size: 15px;
  }

  .team-name {
    font-size: 26px;
  }

  .team-exp-item {
    font-size: 14px;
  }

  .honors-title {
    font-size: 20px;
  }

  .honor-item {
    width: 200px;
    margin: 0 10px;
  }

  .honor-img {
    width: 200px;
    height: 142px;
  }

  .patent-item {
    width: 120px;
    height: 166px;
    margin-left: -80px;
  }

  /* 移除专利项的 hover 效果 */
  /* .patent-item:hover {
    margin-left: -45px;
    margin-right: 12px;
  } */
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 16px;
  }

  .hero-cn-title {
    font-size: 24px;
  }

  .cta-features {
    flex-direction: column;
    gap: 16px;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .ai-core {
    order: -1;
    margin-bottom: 32px;
  }

  /* 合伙人招募小屏 */
  .partner-title {
    font-size: 28px;
  }

  .partner-subtitle {
    font-size: 14px;
  }

  /* 圆环小屏 */
  .circle-container {
    width: 220px;
    height: 220px;
  }

  .sector {
    font-size: 0.75rem;
  }

  .center-node {
    width: 72px;
    height: 72px;
  }

  .center-node svg {
    width: 20px;
    height: 20px;
  }

  .center-node span {
    font-size: 0.6rem;
  }

  .desc-item {
    padding-left: 16px;
  }

  .desc-item p {
    font-size: 0.75rem;
  }

  /* 伙伴支持小屏 */
  .support-container h2 {
    font-size: 26px;
  }

  .support-cards {
    flex-direction: column;
    gap: 12px;
  }

  .support-card {
    flex: 1 1 auto;
    max-width: 100%;
  }

  .team-header h1 {
    font-size: 28px;
    letter-spacing: 3px;
  }

  .team-header p {
    font-size: 13px;
    margin-bottom: 32px;
  }

  .team-card {
    padding: 24px 20px;
  }

  .team-name-row {
    flex-direction: column;
    gap: 4px;
  }

  .team-name {
    font-size: 24px;
  }

  .team-title {
    font-size: 15px;
  }

  .team-exp-item {
    font-size: 13px;
  }

  .photo-placeholder {
    height: 180px;
  }

  .honors-title {
    font-size: 17px;
    letter-spacing: 1px;
  }

  .honors-slider {
    margin-bottom: 48px;
  }

  .honor-item {
    width: 170px;
    margin: 0 8px;
  }

  .honor-img {
    width: 170px;
    height: 120px;
  }

  .honor-item p {
    font-size: 12px;
  }

  .patent-item {
    width: 100px;
    height: 140px;
    margin-left: -70px;
  }

  /* 移除专利项的 hover 效果 */
  /* .patent-item:hover {
    transform: scale(1.35) translateY(-20px);
    margin-left: -40px;
    margin-right: 10px;
  }

  .patent-item:hover ~ .patent-item {
    transform: translateX(20px);
  } */
}