/* ========================================
   Partners - 高端黑金主题
   ======================================== */

.partners {
  position: relative;
  padding: 120px 0;
  background:
    radial-gradient(ellipse at bottom, #1a1202 0%, #000000 50%),
    linear-gradient(180deg, #000000 0%, #0a0a0a 25%, #1a1202 75%, #2d2409 100%);
  overflow: hidden;
}

.partners::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  animation: partnersGrid 20s linear infinite;
}

@keyframes partnersGrid {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(60px, 60px);
  }
}

.partners__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.partners__header {
  text-align: center;
  margin-bottom: 80px;
}

.partners__title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #ffd700 0%, #d4af37 25%, #ffed4e 50%, #d4af37 75%, #ffd700 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 100%;
  animation: goldShine 4s linear infinite;
  filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.4));
}

@keyframes goldShine {
  0% {
    background-position: 200% center;
  }

  100% {
    background-position: -200% center;
  }
}

.partners__subtitle {
  font-size: clamp(20px, 2.5vw, 28px);
  color: #d4af37;
  font-weight: 700;
  margin-bottom: 2rem;
  text-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.partners__description {
  font-size: clamp(16px, 1.9vw, 19px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.7;
}

.partners__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  margin-bottom: 70px;
}

.partners__logo {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(10, 10, 10, 0.6) 100%);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 16px;
  padding: 36px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.partners__logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}

.partners__logo:hover::before {
  left: 100%;
}

.partners__logo::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.1) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.partners__logo:hover::after {
  opacity: 1;
}

.partners__logo:hover {
  border-color: rgba(212, 175, 55, 0.6);
  transform: translateY(-8px) scale(1.05);
  box-shadow:
    0 15px 40px rgba(0, 0, 0, 0.7),
    0 0 35px rgba(212, 175, 55, 0.3),
    inset 0 0 25px rgba(212, 175, 55, 0.05);
}

.partners__logo img {
  max-width: 100%;
  height: auto;
  max-height: 60px;
  filter: brightness(0.9) contrast(1.1);
  transition: all 0.5s ease;
  position: relative;
  z-index: 1;
}

.partners__logo:hover img {
  filter: brightness(1.2) contrast(1.2);
  transform: scale(1.1);
}

.partners__cta {
  text-align: center;
}

.btn--partners {
  background: transparent;
  color: #d4af37;
  border: 2px solid #d4af37;
  padding: 16px 48px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 0 25px rgba(212, 175, 55, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn--partners::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  z-index: -1;
}

.btn--partners:hover::before {
  width: 300px;
  height: 300px;
}

.btn--partners:hover {
  transform: translateY(-3px) scale(1.05);
  border-color: #ffd700;
  color: #ffd700;
  box-shadow:
    0 0 40px rgba(212, 175, 55, 0.5),
    0 8px 30px rgba(0, 0, 0, 0.6);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .partners__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

/* 移动端跑马灯效果 */
@media (max-width: 768px) {
  .partners {
    padding: 80px 0;
    overflow: hidden;
  }

  .partners__header {
    margin-bottom: 40px;
  }

  .partners__content {
    padding: 0;
  }

  /* 跑马灯容器 */
  .partners__grid {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    padding: 20px 0;
    overflow: visible;
    animation: partnersMarquee 25s linear infinite !important;
    width: fit-content;
  }

  /* 跑马灯滚动动画 */
  @keyframes partnersMarquee {
    0% {
      transform: translateX(0);
    }

    100% {
      transform: translateX(-50%);
    }
  }

  /* 暂停动画 */
  .partners__grid.paused {
    animation-play-state: paused;
  }

  /* 跑马灯 Logo 卡片 */
  .partners__logo {
    flex: 0 0 200px;
    min-width: 200px;
    padding: 28px 20px;
    min-height: 110px;
  }

  .btn--partners {
    padding: 14px 40px;
    font-size: 16px;
  }

  /* 添加淡入淡出边缘效果 */
  .partners::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100px;
    background: linear-gradient(to left,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.8) 20%,
        transparent 100%);
    pointer-events: none;
    z-index: 10;
  }

  .partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100px;
    background: linear-gradient(to right,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.8) 20%,
        transparent 100%);
    pointer-events: none;
    z-index: 10;
    animation: none;
  }
}

@media (max-width: 480px) {
  .partners {
    padding: 60px 0;
  }

  .partners__header {
    margin-bottom: 30px;
    padding: 0 1rem;
  }

  /* 跑马灯样式优化 - 保持相同速度 */
  .partners__grid {
    gap: 1.25rem;
    animation-duration: 25s !important;
  }

  /* 跑马灯 Logo 卡片 - 缩小 */
  .partners__logo {
    flex: 0 0 160px;
    min-width: 160px;
    padding: 24px 16px;
    min-height: 90px;
  }

  .partners__logo img {
    max-height: 45px;
  }

  /* 缩小边缘渐变区域 */
  .partners::after,
  .partners::before {
    width: 60px;
  }
}