/* macOS 风格优化 */
:root {
  --macos-bg: #f5f7fa;
  --macos-window-bg: rgba(255, 255, 255, 0.85);
  --macos-accent: #0071e3;
  --macos-text-primary: #333333;
  --macos-text-secondary: #666666;
  --macos-border: rgba(0, 0, 0, 0.1);
  --macos-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

html,
body {
  height: auto;
  min-height: auto;
  max-height: none;
  overflow: visible;
  background: linear-gradient(
    to bottom,
    #ffffff 0%,
    #f0f4ff 20%,
    #f5f7fa 50%,
    #f0f4ff 80%,
    #ffffff 100%
  );
}

body {
  color: var(--macos-text-primary);
  line-height: 1.6;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

body:before {
  display: none;
}

.container {
  height: auto;
  max-height: none;
  display: flex;
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 30px;
  gap: 40px;
  align-items: flex-start;
}

.left-section,
.right-section {
  height: auto;
  max-height: none;
}

h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 15px;
}

h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.3px;
}

.intro-text {
  font-size: 15px;
  margin-bottom: 15px;
  line-height: 1.5;
  color: var(--macos-text-secondary);
}

.divider {
  margin: 15px 0;
}

.slogan {
  margin-bottom: 20px;
}

.buttons {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 25px;
}

.mt-16 {
  margin-top: 15px;
}

.btn {
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.primary {
  background-color: var(--macos-accent);
  color: white;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  height: 36px;
}

.primary:hover {
  background-color: #0062c1;
}

.secondary {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--macos-text-primary);
  border: none;
}

.secondary:hover {
  background-color: rgba(0, 0, 0, 0.08);
}

.app-support {
  margin-bottom: 30px;
}

.app-support h3 {
  font-size: 16px;
  font-weight: 500;
  color: #555;
  margin-bottom: 20px;
}

.app-icons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
}

.app-icon {
  width: 52px;
  height: 52px;
  background-color: #fff;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.app-icon:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.app-icon img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.app-icon::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.app-icon:hover::after {
  opacity: 1;
}

.more {
  color: #888;
  font-size: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-note {
  font-size: 14px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-note i {
  font-size: 12px;
  color: #666;
  background-color: #f0f0f0;
  padding: 4px;
  border-radius: 50%;
}

a {
  color: #666;
  text-decoration: none;
}

.highlight {
  color: #4cdbba;
  font-weight: 500;
}

.card {
  background: white;
  border-radius: 16px;
  padding: 25px 28px 20px;
  box-shadow: 10px 20px 30px rgba(0, 0, 0, 0.05);
  transform: perspective(1000px) rotateY(-16deg) rotateX(5deg) rotateZ(-1deg)
    scale(0.97);
  transition: transform 0.5s ease;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  transform-origin: 30% 50%;
  position: relative;
  overflow: hidden;
  width: 500px;
  height: 570px;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.card:before {
  display: none;
}

.card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) rotateZ(0deg)
    scale(1);
  box-shadow: 10px 20px 30px rgba(0, 0, 0, 0.05);
}

.card > * {
  position: relative;
  z-index: 3;
}

.card h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #333;
}

.card-intro {
  color: #666;
  margin-bottom: 20px;
  line-height: 1.6;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  padding-bottom: 10px;
  max-height: none;
  overflow-y: visible;
}

.feature-list:before {
  content: "";
  position: absolute;
  left: 16px;
  top: 32px;
  height: calc(100% - 64px);
  width: 1px;
  background-color: #eaedf2;
  z-index: 0;
}

.feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 13px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  position: relative;
}

.feature-icon i {
  font-size: 14px;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.feature-icon svg,
.feature-icon i::before {
  width: 16px;
  height: 16px;
  display: block;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-item:hover .feature-icon {
  transform: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.blue {
  background: linear-gradient(135deg, #007aff, #5ac8fa);
}

.cyan {
  background: linear-gradient(135deg, #5ac8fa, #34aadc);
}

.purple {
  background: linear-gradient(135deg, #af52de, #a259ff);
}

.green {
  background: linear-gradient(135deg, #30d158, #34c759);
}

.yellow {
  background: linear-gradient(135deg, #ffcc00, #ffd60a);
}

.feature-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 3px;
  color: #333;
  padding-top: 2px;
}

.feature-content p {
  font-size: 14px;
  color: #6a7681;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .container {
    padding: 20px;
    gap: 20px;
  }

  h1 {
    font-size: 32px;
  }

  .intro-text {
    font-size: 14px;
  }

  .card {
    padding: 20px;
  }
}

/* 删除之前添加的应用图片样式 */
.app-logo {
  display: block;
  max-width: 100%;
}

/* f2_logo样式 */
img[src="f2_logo.svg"] {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}