/* ==========================================
   各板块布局样式（简化版）
   ========================================== */

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ==========================================
   Hero
   ========================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg-primary);
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-content {
  flex: 1;
  max-width: 560px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle-line {
  font-size: 0.45em;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  margin-top: 8px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 0 0 40%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-ball-img {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-lg);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
  transition: opacity 0.3s;
}

.scroll-indicator:hover {
  opacity: 1;
}

/* ==========================================
   界面预览
   ========================================== */
.preview-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.preview-phones {
  display: flex;
  justify-content: center;
  gap: 48px;
  align-items: center;
  flex-wrap: wrap;
}

.phone-frame {
  flex: 0 0 auto;
  max-width: 320px;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12), 0 8px 24px rgba(0, 0, 0, 0.08);
  background: #fff;
  padding: 12px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.phone-frame:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.15), 0 12px 32px rgba(0, 0, 0, 0.1);
}

.phone-frame img {
  border-radius: 24px;
  width: 100%;
  display: block;
}

/* ==========================================
   核心优势
   ========================================== */
.features-section {
  padding: 100px 0;
  background: var(--bg-warm);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-float);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.feature-box .feature-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.feature-box h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-box p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================
   赛事追踪
   ========================================== */
.matches-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.matches-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
}

.matches-img {
  flex: 0 0 45%;
}

.matches-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}

.matches-info {
  flex: 1;
}

.matches-info > p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.stats-bar {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  min-width: 80px;
}

.stat-item strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==========================================
   数据看板
   ========================================== */
.data-section {
  padding: 100px 0;
  background: var(--bg-cool);
}

.data-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
  flex-direction: row-reverse;
}

.data-img {
  flex: 0 0 45%;
}

.data-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}

.data-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.data-row {
  background: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  box-shadow: var(--shadow-float);
  transition: transform 0.25s ease;
}

.data-row:hover {
  transform: translateX(8px);
}

/* ==========================================
   下载
   ========================================== */
.download-section {
  padding: 100px 0;
  background: var(--bg-primary);
  text-align: center;
}

.download-img {
  margin-bottom: 32px;
}

.download-img img {
  max-width: 400px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
}

.download-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   联系
   ========================================== */
.contact-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-warm) 100%);
}

.contact-card {
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-float);
}

.contact-card h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.contact-card > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.wechat-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.wechat-item {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  min-width: 180px;
  border: 2px dashed var(--accent);
}

.wechat-id {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: monospace;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* ==========================================
   页脚
   ========================================== */
.site-footer {
  padding: 24px 0;
  background: var(--text-primary);
  color: rgba(255,255,255,0.6);
  text-align: center;
  font-size: 0.85rem;
}