@import url('base.css');



/* =====================================================
   首页样式
   ===================================================== */

html, body {
  overflow-x: hidden;
}

/* Hero 区域 */
.hero-section {
  position: relative;
  min-height: clamp(680px, 92vh, 900px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 4rem 0 5rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 78% 25%, rgba(59, 130, 246, 0.22) 0%, transparent 42%),
    radial-gradient(circle at 22% 75%, rgba(245, 158, 11, 0.16) 0%, transparent 38%),
    linear-gradient(180deg, #0f172a 0%, #111d36 100%);
}

.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.9) 1px, transparent 1px);
  background-size: 36px 36px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 9999px;
  background: rgba(245, 158, 11, 0.08);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 30%, #93c5fd 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-title span {
  color: var(--color-secondary);
  text-shadow: 0 0 24px rgba(245, 158, 11, 0.35);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-meta-item i {
  color: var(--color-secondary);
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-ring {
  position: absolute;
  width: 110%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: inset 0 0 60px rgba(59, 130, 246, 0.12), 0 0 80px rgba(59, 130, 246, 0.1);
  animation: pulseRing 6s ease-in-out infinite;
}

.hero-image {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  animation: float 5s ease-in-out infinite;
}

@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.05); opacity: 1; }
}

/* 特色介绍区 */
.features-section {
  padding: 5rem 0;
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 30%),
    radial-gradient(circle at 90% 70%, rgba(245, 158, 11, 0.08) 0%, transparent 30%);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.8rem;
}

.section-desc {
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 3rem;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 3rem;
  margin-bottom: 4rem;
  min-width: 0;
}

.feature-row > * {
  min-width: 0;
}

.feature-row:nth-child(even) .feature-text {
  order: 2;
}

.feature-row:nth-child(even) .feature-media {
  order: 1;
}

.feature-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.feature-media::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: var(--radius-lg);
  z-index: 2;
  pointer-events: none;
}

.feature-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-media:hover img {
  transform: scale(1.04);
}

.feature-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(96, 165, 250, 0.35);
  margin-bottom: 0.5rem;
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.feature-text p {
  color: var(--color-muted);
  margin-bottom: 1.2rem;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-tag {
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  color: var(--color-accent);
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 9999px;
  background: rgba(96, 165, 250, 0.08);
}

/* 下载区 */
.download-section {
  padding: 5rem 0;
  position: relative;
}

.download-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.06), transparent);
}

.download-card {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: var(--shadow-blue);
}

.download-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.download-panel {
  text-align: center;
}

.download-panel h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  margin-bottom: 0.6rem;
}

.download-panel p {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* 响应式 */
@media (max-width: 992px) {
  .feature-row {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 2.5rem 0 3.5rem;
    text-align: center;
  }
  .hero-subtitle,
  .section-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-meta {
    justify-content: center;
  }
  .hero-image-wrap {
    margin-top: 2.5rem;
  }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .feature-row:nth-child(even) .feature-text,
  .feature-row:nth-child(even) .feature-media {
    order: unset;
  }
  .feature-text {
    text-align: center;
  }
  .feature-tags {
    justify-content: center;
  }
}

@media (max-width: 480px) {
}