/* 城市更新与运营页 - 精致大方的视觉设计 */

/* 容器系统 */
.container-wide {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 4rem;
}

/* 统一标签 */
/* .ur-label 样式已移至 style.css 全局样式中 */

/* Hero - 全屏沉浸式 */
.ur-hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  overflow: hidden;
}

.ur-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;

}

.ur-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
  z-index: 1;
}



.ur-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1200px;
  padding: 0 2rem;
}

.ur-hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.02em;
}

.ur-hero-subtitle {
  font-size: 1.6rem;
  opacity: 0.95;
  margin-bottom: 3rem;
  text-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.ur-hero-tags {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.ur-tag {
  padding: 0.8rem 2rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.ur-tag:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.ur-hero-scroll {
  position: absolute;
  bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  z-index: 2;
  animation: float 2.5s ease-in-out infinite;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.ur-hero-scroll i {
  font-size: 1.4rem;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(10px);
  }
}

/* 理念区 - 全宽大气 */
.ur-vision {
  padding: 6rem 0;
  text-align: center;
}

.ur-vision-content {
  max-width: 1000px;
  margin: 0 auto 6rem;
  padding: 0 2rem;
}

.ur-vision-content h2 {
  font-size: 3.5rem;
  font-weight: 900;
  color: #0b2b3a;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.ur-vision-lead {
  font-size: 1.3rem;
  line-height: 2;
  color: #4b5563;
  font-weight: 300;
}

.ur-vision-stats {
  display: flex;
  justify-content: center;
  gap: 8rem;
  flex-wrap: wrap;
}

.ur-stat-item {
  text-align: center;
}

.ur-stat-num {
  font-size: 4.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #d12b26, #f7532e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1;
}

.ur-stat-label {
  font-size: 1rem;
  color: #6b7280;
  letter-spacing: 0.05em;
}

/* 四大业务卡片 - 2x2 网格 */
.ur-cards-section {
  padding: 0 2rem 6rem;
}

.ur-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ur-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s ease;
  cursor: pointer;
}

.ur-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.ur-card-image {
  width: 100%;
  height: 280px;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

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

.ur-card-body {
  padding: 1.8rem 2rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ur-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0b2b3a;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.ur-card-desc {
  font-size: 0.95rem;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 1.2rem;
  flex: 1;
}

.ur-card-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #d12b26;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}

.ur-card-link i {
  font-size: 0.85rem;
  transition: transform 0.3s ease;
}

.ur-card:hover .ur-card-link {
  gap: 0.8rem;
}

.ur-card:hover .ur-card-link i {
  transform: translateX(4px);
}

/* 项目案例轮播 */
.ur-carousel-section {
  width: 100%;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 0rem;
}



/* 轮播标题区域 */
.ur-carousel-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 4rem auto;
  padding: 0 2rem;
}

.ur-carousel-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: #0b2b3a;
  margin-bottom: 0.98rem;
  line-height: 1.2;
}

.ur-carousel-subtitle {
  font-size: 1.2rem;
  line-height: 1.8;
  color: #4b5563;
  font-weight: 300;
}

.ur-carousel-container {
  position: relative;
  width: 100%;
  max-width: 100vw;
  height: 90vh;
  margin: 0 auto;
}

.ur-carousel-slide {
  width: 100%;
  height: 100%;
  position: relative;
}

.ur-carousel-item {
  width: 200px;
  height: 250px;
  border-radius: 8px;
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
  background-position: 50% 50%;
  background-size: cover;
  display: inline-block;
  transition: all 0.5s;
  cursor: pointer;

  /* 黑色遮罩 */
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
  }
}

/* 右侧小图hover效果 */
.ur-carousel-item:nth-child(n+3):hover {
  transform: translate(0, -50%) scale(1.05);
  z-index: 10;
  filter: brightness(1.1);
  box-shadow: 0 35px 60px rgba(0, 0, 0, 0.4);
}

/* 当前大图hover效果 */
.ur-carousel-slide .ur-carousel-item:nth-child(2):hover {
  filter: brightness(1.05);

}

/* 为右侧小图添加点击提示覆盖层 */
.ur-carousel-item:nth-child(n+3)::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: all 0.3s ease;
  pointer-events: none;
}

.ur-carousel-item:nth-child(n+3):hover::after {
  background: rgba(255, 255, 255, 0.1);
}

.ur-carousel-slide .ur-carousel-item:nth-child(1),
.ur-carousel-slide .ur-carousel-item:nth-child(2) {
  top: 0;
  left: 0;
  transform: translate(0, 0);
  border-radius: 0;
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}

.ur-carousel-slide .ur-carousel-item:nth-child(3) {
  left: 50%;
}

.ur-carousel-slide .ur-carousel-item:nth-child(4) {
  left: calc(50% + 220px);
}

.ur-carousel-slide .ur-carousel-item:nth-child(5) {
  left: calc(50% + 440px);
}

.ur-carousel-slide .ur-carousel-item:nth-child(n + 6) {
  left: calc(50% + 660px);
  opacity: 0;
}

.ur-carousel-content {
  position: absolute;
  top: 50%;
  left: 100px;
  width: 500px;
  text-align: left;
  color: #ffffff;
  transform: translate(0, -50%);
  display: none;
}

.ur-carousel-slide .ur-carousel-item:nth-child(2) .ur-carousel-content {
  display: block;
}

.ur-carousel-name {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: urCarouselAnimate 1s ease-in-out 1 forwards;
  text-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.ur-carousel-des {
  margin-top: 1rem;
  margin-bottom: 2.5rem;
  font-size: 1.2rem;
  line-height: 1.8;
  opacity: 0;
  font-weight: 300;
  animation: urCarouselAnimate 1s ease-in-out 0.3s 1 forwards;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.ur-carousel-btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  border: none;
  cursor: pointer;
  opacity: 0;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.673);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #333;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.5s;
  animation: urCarouselAnimate 1s ease-in-out 0.6s 1 forwards;
}

.ur-carousel-btn:hover {
  background: rgb(255, 255, 255);
  color: #333;
}

@keyframes urCarouselAnimate {
  from {
    opacity: 0;
    transform: translate(0, 100px);
    filter: blur(33px);
  }

  to {
    opacity: 1;
    transform: translate(0);
    filter: blur(0);
  }
}

.ur-carousel-buttons {
  display: flex;
  gap: 1rem;
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.ur-carousel-buttons button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.578);
  transition: 0.3s;
  font-size: 1.2rem;
  color: #000;
  margin: 0 5px;
}

.ur-carousel-buttons button:hover {
  color: #000000;
  border: 2px solid rgba(255, 255, 255, 0.74);
  transform: scale(1.1);
}

.ur-carousel-buttons button:focus {
  transform: scale(1.1);
  background: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.74);
}

.ur-carousel-buttons button:active {
  transform: scale(1.02);
}

/* CTA */
.ur-cta {
  padding: 6rem 0;
  height: 375px;
  background: url('../images/tab1/ur-cta.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;

  /* 黑色遮罩 */
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
  }
}



.ur-cta-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  color: #ffffff;
}

.ur-cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: 900;
}

.ur-cta-content p {
  font-size: 1rem;

  opacity: 0.9;
  font-weight: 300;
  margin-bottom: 1.5rem;
}


/* ========== 移动端适配 (≤ 768) ========== */
@media (max-width: 768px) {

  /* 容器系统 */
  .container-wide {
    padding: 0 2rem;
  }

  /* Hero 区域 */
  .ur-hero {
    min-height: 600px;
    height: 80vh;
  }

  .ur-hero-content {
    padding: 0 1.5rem;
  }

  .ur-hero-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
  }

  .ur-hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .ur-hero-tags {
    gap: 0.8rem;
  }

  .ur-tag {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }

  .ur-hero-scroll {
    bottom: 2rem;
    font-size: 0.75rem;
  }

  .ur-hero-scroll i {
    font-size: 1.2rem;
  }

  /* 理念区 */
  .ur-vision {
    padding: 2.5rem 1.5rem;
  }

  .ur-vision-content {
    margin: 0 auto 4rem;
    padding: 0 1.5rem;
  }

  .ur-vision-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }

  .ur-vision-lead {
    font-size: 0.9rem;
    line-height: 1.8;
  }

  .ur-vision-stats {
    gap: 3rem;
    flex-direction: column;
  }

  .ur-stat-num {
    font-size: 3rem;
  }

  .ur-stat-label {
    font-size: 0.9rem;
  }

  /* 四大业务卡片 - 移动端单列 */
  .ur-cards-section {
    padding: 0 1.5rem 4rem;
  }

  .ur-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .ur-card-image {
    height: 200px;
  }

  .ur-card-body {
    padding: 1.2rem 1.5rem 1.5rem;
  }

  .ur-card-title {
    font-size: 1.15rem;
  }

  .ur-card-desc {
    font-size: 0.85rem;
  }

  /* 轮播区域 */
  .ur-carousel-section {
    min-height: auto;
    padding: 4rem 0;
  }

  .ur-carousel-header {
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
  }

  .ur-carousel-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }

  .ur-carousel-subtitle {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  /* 轮播容器 - 移动端简化为垂直堆叠 */
  .ur-carousel-content {
    padding: 1rem;
    top: 80%;
    left: 10px;
    width: auto;
  }

  .ur-carousel-name {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
  }

  .ur-carousel-des {
    font-size: 0.9rem;
    margin-top: 0rem;
    margin-bottom: 1rem;
  }

  .ur-carousel-btn {
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
  }



  /* CTA 区域 */
  .ur-cta {
    margin-top: 4rem;
    padding: 4rem 0;
  }

  .ur-cta-content {
    padding: 0 1.5rem;
  }

  .ur-cta-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .ur-cta-content p {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .ur-cta-actions {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
}