/* home.css - 首页专属样式 */

/* 1. Hero 轮播图 */
.hero-slider {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 1;
  transition: opacity var(--transition-slow);
  display: flex;
  align-items: center;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

.slide-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.65);
}

.slide-content {
  position: relative;
  z-index: 3;
  width: 100%;
  color: #fff;
  padding-top: 80px; /* 避开导航栏 */
}

.slide-content-inner {
  max-width: 800px;
}

.slide-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.slide.active .slide-subtitle {
  opacity: 1;
  transform: translateY(0);
}

.slide-title {
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.slide.active .slide-title {
  opacity: 1;
  transform: translateY(0);
}

.slide-btn-group {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.6s, transform 0.8s ease 0.6s;
}

.slide.active .slide-btn-group {
  opacity: 1;
  transform: translateY(0);
}

.slide-btn {
  background-color: var(--color-bg);
  color: var(--color-text-dark);
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-block;
  border-radius: 2px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.slide-btn:hover {
  background-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

/* 轮播图指示器点 */
.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 1rem;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.slider-dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.slider-dot.active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

@media (max-width: 768px) {
  .slide-title {
    font-size: 2.2rem;
  }
  .slide-subtitle {
    font-size: 0.95rem;
  }
  .slide-btn {
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
  }
}

/* 2. 身份定位器 Section */
.switcher-section {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.switcher-header {
  text-align: center;
  margin-bottom: 4rem;
}

.switcher-tabs {
  display: flex;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  max-width: 800px;
  margin: 0 auto 4rem auto;
}

.switcher-tab {
  padding: 1.5rem 3rem;
  font-size: 1.1rem;
  color: var(--color-text-light);
  cursor: pointer;
  position: relative;
  font-weight: 400;
  transition: color var(--transition-fast);
}

.switcher-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

.switcher-tab:hover {
  color: var(--color-text-dark);
}

.switcher-tab.active {
  color: var(--color-text-dark);
  font-weight: 600;
}

.switcher-tab.active::after {
  width: 100%;
}

.switcher-panel {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.switcher-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  opacity: 1;
  transform: translateY(0);
}

.switcher-panel-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.switcher-panel-content p {
  color: var(--color-text-mid);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.switcher-panel-img-box {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.06);
}

.switcher-panel-img-box img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.switcher-panel-img-box:hover img {
  transform: scale(1.03);
}

@media (max-width: 900px) {
  .switcher-tabs {
    flex-wrap: wrap;
  }
  .switcher-tab {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }
  .switcher-panel.active {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .switcher-panel-img-box img {
    height: 300px;
  }
}

/* 3. 产品矩阵 Section */
.products-section {
  padding: 8rem 0;
  background-color: var(--color-bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.product-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
  border-color: rgba(120, 190, 32, 0.4);
}

.product-card-img-box {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
}

.product-card-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-img-box img {
  transform: scale(1.05);
}

.product-card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-card-title {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.product-card-desc {
  color: var(--color-text-mid);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  flex-grow: 1;
  font-weight: 300;
}

.product-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-card-link span.arrow {
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card-link span.arrow {
  transform: translateX(5px);
}

.product-card:hover .product-card-link {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* 4. 经典案例 Section */
.references-section {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.ref-card {
  position: relative;
  overflow: hidden;
  height: 450px;
  cursor: pointer;
}

.ref-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-normal);
}

.ref-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem;
  color: #fff;
  transition: background var(--transition-normal);
}

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

.ref-card:hover .ref-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.2) 100%);
}

.ref-card-tag {
  color: var(--color-accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.ref-card-title {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.ref-card-loc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
}

.ref-card-btn {
  font-size: 0.85rem;
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.ref-card:hover .ref-card-btn {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .ref-grid {
    grid-template-columns: 1fr;
  }
  .ref-card {
    height: 350px;
  }
  .ref-card-title {
    font-size: 1.4rem;
  }
  .ref-card-btn {
    opacity: 1;
    transform: none;
  }
}

/* 5. 门窗课堂（博客精选）Section */
.blog-highlight-section {
  padding: 8rem 0;
  background-color: var(--color-bg-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.blog-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

.blog-card-img-box {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-card-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-img-box img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 1.8rem;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.8rem;
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.8rem;
  color: var(--color-text-dark);
}

.blog-card-title a:hover {
  color: var(--color-accent);
}

.blog-card-excerpt {
  color: var(--color-text-mid);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-weight: 300;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.blog-card:hover .blog-card-more {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* 6. 门店与展厅预约 Section */
.showroom-section {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.showroom-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: flex-start;
}

.showroom-info-box h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.showroom-info-desc {
  color: var(--color-text-mid);
  margin-bottom: 2rem;
  line-height: 1.8;
  font-weight: 300;
}

.showroom-details {
  margin-bottom: 2.5rem;
}

.showroom-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.showroom-detail-item strong {
  font-weight: 600;
  min-width: 80px;
}

.showroom-detail-item span {
  color: var(--color-text-mid);
}

/* 地图占位卡片 */
.map-card {
  position: relative;
  overflow: hidden;
  height: 280px;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, #ddd 10%, transparent 10.5%);
  background-size: 20px 20px;
  opacity: 0.6;
}

.map-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.map-pin {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  margin: 0 auto 1.5rem auto;
  position: relative;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.map-pin::after {
  content: '';
  width: 16px;
  height: 16px;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.map-content h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.map-content p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* 预约表单卡片 */
.booking-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  padding: 3rem;
  border-radius: 2px;
}

.booking-card h3 {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.booking-card p {
  color: var(--color-text-mid);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  font-weight: 300;
}

.booking-form button[type="submit"] {
  width: 100%;
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  margin-top: 1rem;
}

.booking-form button[type="submit"]:hover {
  background-color: var(--color-accent-hover);
}

@media (max-width: 1024px) {
  .showroom-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .booking-card {
    padding: 2rem;
  }
}

/* 7. 案例详情弹窗 (Modal) */
.project-modal {
  display: none; /* 默认隐藏 */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 17, 17, 0.7);
  backdrop-filter: blur(10px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-content {
  background-color: var(--color-bg);
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,0.3);
  animation: modalFadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.8rem;
  cursor: pointer;
  color: #111;
  z-index: 10;
  background-color: rgba(255, 255, 255, 0.9);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.modal-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.modal-img-box {
  height: 500px;
}

.modal-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-info {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-title {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.modal-desc {
  color: var(--color-text-mid);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  font-weight: 300;
}

.modal-specs-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.modal-specs {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.6;
  font-weight: 300;
  background-color: var(--color-bg-light);
  padding: 1.2rem;
  border-left: 3px solid var(--color-accent);
}

@keyframes modalFadeIn {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 900px) {
  .modal-body {
    grid-template-columns: 1fr;
  }
  .modal-img-box {
    height: 250px;
  }
  .modal-info {
    padding: 2rem;
  }
  .modal-title {
    font-size: 1.6rem;
  }
}

/* 8. 滚动渐显效果 CSS */
.scroll-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-fade.visible {
  opacity: 1;
  transform: translateY(0);
}