/* 材质图书馆样式 */
.material-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  min-height: 450px;
  padding: 20px 0;
  position: relative;
  transition: all 0.5s ease;
}

/* 旋转和缩放动画 */
.material-wall.rotate-left {
  animation: rotateLeft 0.5s ease;
}

.material-wall.rotate-right {
  animation: rotateRight 0.5s ease;
}

.material-wall.zoom-in {
  transform: scale(1.2);
}

.material-wall.zoom-out {
  transform: scale(0.8);
}

@keyframes rotateLeft {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(-15deg); }
  100% { transform: rotateY(0deg); }
}

@keyframes rotateRight {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(15deg); }
  100% { transform: rotateY(0deg); }
}

/* 材质卡片样式 */
.material-card {
  position: relative;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-3d {
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 1000px;
  transition: transform 0.8s;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
}

.card-front {
  background-color: #f8f8f8;
  display: flex;
  flex-direction: column;
}

.card-front img {
  width: 100%;
  height: 80%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.material-card:hover .card-front img {
  transform: scale(1.05);
}

.material-name {
  padding: 15px;
  text-align: center;
  font-weight: 500;
  color: #333;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
  z-index: 2;
}

.card-back {
  background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: rotateY(180deg);
}

.card-back h4 {
  margin: 0 0 15px;
  font-size: 18px;
  text-align: center;
  color: #333;
}

.material-brief {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
}

.brief-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color, #3a67b2);
}

.stat-label {
  font-size: 12px;
  margin-top: 5px;
  color: #666;
}

.view-details-btn {
  display: block;
  width: 80%;
  margin: 20px auto 0;
  padding: 10px 15px;
  background-color: var(--primary-color, #3a67b2);
  color: white;
  border: none;
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-details-btn:hover {
  background-color: var(--accent-color, #2a5798);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 翻转效果 */
.card-3d:hover .card-inner {
  transform: rotateY(180deg);
}

/* 材质详情弹窗样式 */
.material-modal {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.material-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: white;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  transform: translateY(-30px);
  opacity: 0;
  transition: all 0.4s ease;
}

.material-modal.active .modal-content {
  transform: translateY(0);
  opacity: 1;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background-color: var(--primary-color, #3a67b2);
  color: white;
}

.modal-header h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
}

.close-modal {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.close-modal:hover {
  transform: rotate(90deg);
}

.modal-body {
  padding: 30px;
  overflow-y: auto;
  max-height: 70vh;
}

/* 材质预览样式 */
.material-preview {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
}

.material-3d-preview {
  flex: 1;
  height: 250px;
  border-radius: 10px;
  overflow: hidden;
  background-color: #f5f5f5;
  position: relative;
}

.material-texture {
  flex: 1;
  height: 250px;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

/* 物理特性图表 */
.property-chart {
  margin: 20px 0;
}

.chart-bar {
  height: 30px;
  background-color: var(--primary-color, #3a67b2);
  border-radius: 15px;
  margin-bottom: 15px;
  position: relative;
  animation: barGrow 1.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
}

.chart-bar.weight {
  background-color: #4CAF50;
}

.chart-bar.stretch {
  background-color: #2196F3;
}

.chart-bar.breathability {
  background-color: #9C27B0;
}

.bar-label {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  color: white;
  font-size: 14px;
  font-weight: 500;
}

@keyframes barGrow {
  0% { width: 0; }
  100% { width: 100%; }
}

/* 碳排放图表 */
.carbon-circle {
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.carbon-circle svg {
  width: 100%;
  height: 100%;
}

.circle-bg {
  fill: none;
  stroke: #eee;
  stroke-width: 3.8;
}

.circle-progress {
  fill: none;
  stroke: var(--primary-color, #3a67b2);
  stroke-width: 3.8;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dasharray 1s ease;
}

.percentage {
  fill: var(--primary-color, #3a67b2);
  font-size: 10px;
  text-anchor: middle;
  font-weight: bold;
}

/* 难度指示器 */
.needle-icons {
  display: flex;
  gap: 5px;
  margin: 10px 0;
}

.needle-icon {
  color: var(--primary-color, #3a67b2);
  font-size: 18px;
}

.needle-icon.inactive {
  opacity: 0.3;
}

/* 应用案例 */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 15px;
  margin: 20px 0;
}

.application-item {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.application-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.application-image {
  height: 100px;
}

.application-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.application-title {
  padding: 10px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  background-color: #f9f9f9;
}

/* 控制按钮样式 */
.wall-controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.wall-control-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: white;
  color: var(--primary-color, #3a67b2);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.wall-control-btn:hover {
  background-color: var(--primary-color, #3a67b2);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 分类按钮样式 */
.material-categories {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 25px 0;
}

.category-btn {
  padding: 8px 16px;
  border: 2px solid transparent;
  border-radius: 30px;
  background-color: #f0f0f0;
  color: #666;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-btn:hover {
  background-color: #e0e0e0;
  color: #333;
}

.category-btn.active {
  background-color: var(--primary-color, #3a67b2);
  color: white;
  border-color: var(--primary-color, #3a67b2);
}

/* 响应式布局 */
@media (max-width: 992px) {
  .material-preview {
    flex-direction: column;
  }
  
  .material-3d-preview, .material-texture {
    height: 200px;
  }
  
  .properties-data {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .material-wall {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .modal-body {
    padding: 20px;
  }
  
  .wall-controls {
    gap: 10px;
  }
  
  .wall-control-btn {
    width: 35px;
    height: 35px;
  }
  
  .applications-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}

@media (max-width: 576px) {
  .material-wall {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
  
  .modal-content {
    width: 95%;
  }
  
  .modal-header {
    padding: 15px 20px;
  }
  
  .modal-header h3 {
    font-size: 18px;
  }
  
  .carbon-circle {
    width: 100px;
    height: 100px;
  }
}

/* VOGUE风格的材质图书馆样式 */
.vogue-library-header {
  text-align: left;
  margin-bottom: 50px;
  position: relative;
}

.vogue-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 0;
  line-height: 1.2;
  color: #111;
}

.vogue-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 6px;
  color: #777;
  margin: 5px 0 20px;
}

.vogue-description {
  font-family: 'Lato', sans-serif;
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0;
  color: #555;
  line-height: 1.6;
}

.vogue-separator {
  width: 50px;
  height: 3px;
  background-color: #000;
  margin: 25px 0;
}

/* 分类按钮改造 */
.material-categories {
  margin: 30px 0 50px;
  text-align: center;
}

.category-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 15px;
  color: #777;
}

.category-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.category-btn {
  padding: 8px 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 1px;
  border: 1px solid #ddd;
  background-color: transparent;
  color: #333;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-btn:hover {
  border-color: #000;
  color: #000;
}

.category-btn.active {
  background-color: #000;
  color: #fff;
  border-color: #000;
}

/* 材质展示墙 */
.vogue-material-gallery {
  position: relative;
  margin: 50px 0;
}

.gallery-controls {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.control-group {
  display: flex;
  gap: 10px;
}

.gallery-control {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: #f5f5f5;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.gallery-control:hover {
  background-color: #000;
  color: #fff;
  transform: translateY(-2px);
}

.gallery-control.reset {
  background-color: #e0e0e0;
}

.gallery-control.reset:hover {
  background-color: #000;
}

/* 材质卡片 VOGUE 风格 */
.material-wall {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 40px;
  padding: 20px 0;
}

.material-card {
  height: 400px;
  border-radius: 0;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.card-front {
  background: #fff;
}

.card-front img {
  height: 85%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.material-name {
  padding: 20px;
  text-align: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #000;
  background: #fff;
}

.card-back {
  background: linear-gradient(135deg, #fff 0%, #f5f5f5 100%);
  padding: 40px 30px;
}

.card-back h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 25px;
  text-align: center;
  color: #000;
}

.view-details-btn {
  background-color: #000;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 0;
  transition: all 0.3s ease;
}

.view-details-btn:hover {
  background-color: #333;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* 推荐材质部分 */
.vogue-material-featured {
  margin: 70px 0;
  padding: 50px 0;
  background-color: #f9f9f9;
}

.featured-heading {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.featured-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 3px;
  color: #777;
  display: block;
  margin-bottom: 10px;
}

.featured-heading h4 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: #000;
  margin: 0;
}

.featured-materials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 0 20px;
}

.featured-item {
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: all 0.4s ease;
}

.featured-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.featured-image {
  height: 250px;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-item:hover .featured-image img {
  transform: scale(1.05);
}

.featured-info {
  padding: 25px;
}

.featured-info h5 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  margin: 0 0 10px;
  color: #000;
}

.featured-info p {
  font-family: 'Lato', sans-serif;
  color: #666;
  margin: 0;
  line-height: 1.6;
}

/* 材质弹窗 VOGUE 风格 */
.vogue-modal-header {
  background-color: #000;
  padding: 25px 35px;
}

.vogue-modal-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
}

.vogue-modal-body {
  padding: 40px;
}

.vogue-modal-footer {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background-color: #f5f5f5;
}

.vogue-modal-footer .btn {
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  padding: 12px 25px;
  border-radius: 0;
  transition: all 0.3s ease;
}

.vogue-modal-footer .btn-outline {
  border: 1px solid #000;
  color: #000;
  background: transparent;
}

.vogue-modal-footer .btn-primary {
  background-color: #000;
  color: #fff;
  border: 1px solid #000;
}

.vogue-modal-footer .btn-outline:hover {
  background-color: #000;
  color: #fff;
}

.vogue-modal-footer .btn-primary:hover {
  background-color: #333;
  border-color: #333;
}

/* VOGUE风格的动画和过渡效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes voguePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0,0,0,0.3);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0,0,0,0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0,0,0,0);
  }
}

/* 添加进入动画 */
.vogue-title, .vogue-subtitle, .vogue-description {
  animation: fadeInUp 1s forwards;
}

.vogue-title {
  animation-delay: 0.1s;
}

.vogue-subtitle {
  animation-delay: 0.3s;
}

.vogue-description {
  animation-delay: 0.5s;
}

.vogue-separator {
  animation: fadeInScale 1s forwards;
  animation-delay: 0.7s;
  opacity: 0;
}

/* 分类按钮动画 */
.category-buttons .category-btn {
  animation: fadeInUp 0.6s forwards;
  opacity: 0;
}

.category-buttons .category-btn:nth-child(1) { animation-delay: 0.1s; }
.category-buttons .category-btn:nth-child(2) { animation-delay: 0.2s; }
.category-buttons .category-btn:nth-child(3) { animation-delay: 0.3s; }
.category-buttons .category-btn:nth-child(4) { animation-delay: 0.4s; }
.category-buttons .category-btn:nth-child(5) { animation-delay: 0.5s; }
.category-buttons .category-btn:nth-child(6) { animation-delay: 0.6s; }

/* 控制按钮悬浮效果 */
.gallery-control:hover {
  animation: voguePulse 1.5s infinite;
}

/* 材质卡片增强效果 */
.material-card {
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  position: relative;
}

.material-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.2);
}

.material-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background-color: #000;
  transform: scaleX(0);
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  transform-origin: right;
}

.material-card:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* 模态框动画 */
.vogue-animation {
  animation: fadeInScale 0.5s forwards !important;
}

.modal-content {
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

/* 特色材质部分增强 */
.featured-item {
  position: relative;
  overflow: hidden;
}

.featured-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0) 100%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.featured-item:hover::before {
  opacity: 1;
}

.featured-info {
  position: relative;
  z-index: 2;
}

.featured-info::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: #000;
  transition: width 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.featured-item:hover .featured-info::after {
  width: 100px;
}