/* =========================================
   布局系统
   ========================================= */
.main-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 0;
  z-index: 20;
  text-align: center;
  background: var(--bg-dock);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border-bottom: var(--border-glass);
  box-shadow: var(--shadow-md);
  transition: transform var(--time-normal) var(--ease-standard);
}

.logo-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.logo-image {
  height: 40px;
  transition: transform var(--time-fast) var(--ease-standard);
}

.logo-image:hover {
  transform: scale(1.05);
}

.content {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 120px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

/* =========================================
   Hero 区域
   ========================================= */
.hero-section {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: transform var(--time-normal) var(--ease-standard);
}

.hero-content:hover {
  transform: translateY(-5px);
}

.hero-logo {
  max-width: 600px;
  width: 80%;
  height: auto;
  opacity: 0;
  transform: translateY(40px);
  animation: heroFadeIn 1s var(--ease-in) forwards;
  animation-delay: 0.2s;
}

.hero-tagline {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 30px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 1s var(--ease-in) forwards;
  animation-delay: 0.4s;
}

.hero-hint {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 10px;
  opacity: 0;
  animation: heroFadeIn 1s var(--ease-in) forwards;
  animation-delay: 0.8s;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================
   时间组件
   ========================================= */
.time-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 30px 50px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border-radius: var(--radius-xl);
  border: var(--border-glass);
  box-shadow: var(--shadow-xxl);
  transition: transform var(--time-normal) var(--ease-standard);
}

.time-widget:hover {
  transform: translateY(-5px);
}

.time-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}

.time-hours,
.time-minutes {
  font-size: 72px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.time-separator {
  font-size: 72px;
  color: var(--text-secondary);
  line-height: 1;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

.date-display {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* =========================================
   图标网格
   ========================================= */
.icons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 800px;
  padding: 30px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border-radius: var(--radius-xl);
  border: var(--border-glass);
  box-shadow: var(--shadow-xxl);
}

.grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 30px 20px;
  background: var(--bg-button);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border-radius: var(--radius-lg);
  border: var(--border-glass);
  cursor: pointer;
  transition:
    transform var(--time-fast) var(--ease-standard),
    background-color var(--time-fast) var(--ease-standard),
    box-shadow var(--time-fast) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.grid-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
  opacity: 0;
  transform: scale(0);
  transition: opacity var(--time-normal) var(--ease-standard), transform var(--time-normal) var(--ease-bounce);
}

.grid-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.grid-item:hover::before {
  opacity: 1;
  transform: scale(1.5);
}

.grid-item:active {
  transform: scale(0.95);
}

.grid-icon {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 5px;
  transition: transform var(--time-normal) var(--ease-bounce);
}

.grid-item:hover .grid-icon {
  transform: scale(1.15) rotate(5deg);
}

.grid-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

/* =========================================
   设置按钮
   ========================================= */
.settings-trigger {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 30;
}

.settings-button {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-button);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border: var(--border-glass);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    transform var(--time-fast) var(--ease-standard),
    background-color var(--time-fast) var(--ease-standard),
    box-shadow var(--time-fast) var(--ease-standard);
}

.settings-button:hover {
  transform: scale(1.1) rotate(90deg);
  background-color: var(--bg-active);
  box-shadow: var(--shadow-lg);
}

.settings-button:active {
  transform: scale(0.9);
}

.settings-button svg {
  width: 28px;
  height: 28px;
  color: var(--text-primary);
  transition: color var(--time-fast) var(--ease-standard);
}

.settings-button:hover svg {
  color: var(--color-gld);
}

/* =========================================
   Frame Raw 遮罩
   ========================================= */
.frame-raw-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--time-normal) var(--ease-standard), visibility var(--time-normal) var(--ease-standard);
}

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

.overlay-content {
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 50px 40px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  border-radius: var(--radius-lg);
  border: var(--border-glass);
  box-shadow: var(--shadow-xxl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--time-normal) var(--ease-in);
}

.frame-raw-overlay.active .overlay-content {
  transform: scale(1) translateY(0);
}

.overlay-logo {
  max-width: 300px;
  width: 60%;
  height: auto;
  display: block;
  margin: 0 auto 30px;
}

.overlay-text {
  color: var(--text-primary);
  line-height: 2;
  font-size: 16px;
  margin-bottom: 30px;
}

.overlay-text p {
  margin: 0 0 24px 0;
  text-align: justify;
}

.overlay-text p:last-of-type {
  margin-bottom: 0;
}

.overlay-signature {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: right;
  margin-top: 30px;
  font-style: italic;
}

.member-button {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  background: var(--bg-button);
  backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-saturate) var(--backdrop-blur);
  cursor: pointer;
  transition:
    transform var(--time-fast) var(--ease-standard),
    background-color var(--time-fast) var(--ease-standard);
}

.member-button:hover {
  transform: scale(1.05);
  background-color: var(--bg-active);
}

.member-button:active {
  transform: scale(0.95);
}

/* =========================================
   响应式设计
   ========================================= */
@media (max-width: 768px) {
  .content {
    padding: 100px 15px 40px;
  }

  .hero-tagline {
    font-size: 20px;
  }

  .time-display {
    gap: 4px;
  }

  .time-hours,
  .time-minutes {
    font-size: 48px;
  }

  .time-separator {
    font-size: 48px;
  }

  .date-display {
    font-size: 14px;
  }

  .icons-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    padding: 20px;
  }

  .grid-icon {
    font-size: 36px;
  }

  .grid-label {
    font-size: 14px;
  }

  .settings-trigger {
    bottom: 20px;
    right: 20px;
  }

  .settings-button {
    width: 50px;
    height: 50px;
  }

  .overlay-content {
    padding: 30px 20px;
  }

  .overlay-logo {
    max-width: 200px;
    margin-bottom: 20px;
  }

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

  .overlay-text p {
    margin-bottom: 16px;
  }

  .overlay-signature {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .content {
    padding: 80px 10px 30px;
  }

  .hero-logo {
    max-width: 300px;
  }

  .time-widget {
    padding: 20px 30px;
  }

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

  .settings-trigger {
    bottom: 15px;
    right: 15px;
  }

  .settings-button {
    width: 45px;
    height: 45px;
  }
}