.home-btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--secondary-color);
  color: var(--light-text);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

.home-btn:hover {
  background-color: #34629e;
  transform: translateY(-2px);
}

.home-btn-outline {
  background-color: transparent;
  border: 2px solid var(--secondary-color);
  color: var(--secondary-color);
}

.home-btn-outline:hover {
  background-color: var(--secondary-color);
  color: var(--light-text);
}

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.section-subtitle {
  text-align: center;
  margin-bottom: 36px;
  font-size: 2rem;
  color: var(--primary-color);
}


/* 首页英雄区域 */
.hero {
  /* background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); */
  background-color: #ecf0f1;
  color: var(--light-text);
  padding-top: 0;
  padding-bottom: 0;
  text-align: center;
  height: calc(100vw * 1000/1920);
}

.hero-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero .bannerSwiper,
.hero .bannerSwiper .swiper-slide,
.hero .bannerSwiper .swiper-slide img,
.hero .bannerSwiper .swiper-slide a {
  width: 100%;
  height: 100%;
}

.hero .bannerSwiper .swiper-slide {
  background-color: transparent;
}

.hero .bannerSwiper .swiper-slide img {
  object-fit: cover;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.floating-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  animation: float 15s infinite linear;
  /* backdrop-filter: blur(10px); */
  filter: blur(5px);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  /* margin-top: calc(25vh - 75px); */
  z-index: 5;
  /* position: relative; */
  /* backdrop-filter: blur(10px); */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 30px;
  border-radius: 30px;
  /* background-color: rgba(255, 255, 255, 0.2); */
  /* box-shadow: var(--shadow) */
}

.hero h1 {
  font-size: 3.5rem;
  /* font-size: 2rem; */
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
}

/* 关于我们区域 */
.about {
  background-color: var(--light-text);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.about-text p {
  margin-bottom: 20px;
}

.about-image {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

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

/* 产品区域 */
.products {
  background-color: #f5f7fa;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.product-card {
  background-color: var(--light-text);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.product-image {
  height: 200px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-info {
  padding: 20px;
}

.product-info h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.product-info p {
  margin-bottom: 15px;
  color: #666;
}

.product-price {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-color);
  margin-bottom: 15px;
}


@media (max-width: 1000px) {
  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
    .hero {
    /* min-height: 800px; */
    /* min-height: 400px; */
    height: calc(100vw * 1000/1920);
  }

  .hero-content {
    width: 90%;
    transform: scale(0.45) translate(-50%, -50%);
    transform-origin: top left;
  }

  .hero-container {
    /* display: none; */
  }

  .hero h1 {
    /* font-size: 3.5rem; */
    font-size: 2rem;
  }



  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .hero-content {
    /* margin-top: 1rem; */
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .home-btn {
    width: 100%;
    max-width: 250px;
  }
}



.icon {
  vertical-align: middle;
  margin-right: 8px;
}

.swiper {
  width: 100%;
  height: 100%;
  user-select: none;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper-button-next,
.swiper-button-prev {
  opacity: 0;
  color: var(--secondary-color);
}

.swiper:hover .swiper-button-next,
.swiper:hover .swiper-button-prev {
  opacity: 1;
}

/* 留资 */

/* --- CTA 区域容器 --- */
.lead-cta-section {
    background-color: #f8f9fa; /* 浅灰背景，或者用品牌深色 #1a1a1a */
    padding: 20px 0;
    border-top: 1px solid #e9ecef;
}

.cta-card {
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: space-between;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    /* 关键：控制整体高度 */
    height: 320px; /* 目标高度 300px + 少量余量 */
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

/* --- 左侧文案 --- */
.cta-content {
    flex: 1;
    padding: 0 3rem;
    color: #333;
}

.cta-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.1;
    color: #1a1a1a;
}

.cta-desc {
    font-size: 1rem;
    color: #666;
    margin: 0 0 20px 0;
    max-width: 400px;
}

.cta-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
}

.cta-benefits li i {
    color: #28a745;
    margin-right: 5px;
}

/* --- 右侧表单包装器 --- */
.cta-form-wrapper {
    flex: 0 0 420px; /* 固定表单区域宽度 */
    height: 100%;
    background: #fdfdfd;
    border-left: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

/* --- 紧凑表单内部 --- */
.lead-form-compact {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.compact-lead-form {
    width: 100%;
}

/* 行布局 */
.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.form-group {
    margin-bottom: 0;
    position: relative;
    flex: 1;
}

.form-group.half {
    flex: 1;
}

.form-group.full {
    flex: 100%;
}

.form-group.btn-group {
    flex: 1;
    display: flex;
    align-items: stretch; /* 让按钮填满高度 */
}

/* 紧凑型输入框 */
.form-control-compact {
    width: 100%;
    height: 44px; /* 固定高度 */
    padding: 0 12px;
    font-size: 0.9rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    transition: all 0.2s;
    box-sizing: border-box;
}

.form-control-compact:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.textarea-compact {
    height: 44px !important;
    resize: none;
    padding-top: 10px;
}

/* 紧凑型按钮 */
.btn-cta-submit {
    width: 100%;
    height: 44px; /* 与输入框同高 */
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s;
    white-space: nowrap;
}

.btn-cta-submit:hover {
    background: #0056b3;
}

.btn-cta-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 错误提示小字 */
.text-danger-small {
    font-size: 0.7rem;
    color: #dc3545;
    position: absolute;
    bottom: -14px;
    left: 0;
    white-space: nowrap;
    display: none; /* 默认隐藏，有错误时由后端或JS控制显示 */
}

.input-validation-error + .text-danger-small {
    display: block;
}

.input-validation-error {
    border-color: #dc3545 !important;
}

/* 紧凑 Alert */
.compact-alert {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    text-align: center;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    display: none; /* JS 控制显示 */
    z-index: 10;
    justify-content: center;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.compact-alert.d-none {
    display: none !important;
}
/* 当 JS 移除 d-none 时，我们需要它显示为 flex */
.compact-alert:not(.d-none) {
    display: flex; 
}


/* --- 响应式适配 (移动端) --- */
@media (max-width: 768px) {
    .cta-card {
        flex-direction: column;
        height: auto; /* 移动端不强制高度 */
        padding: 20px;
        text-align: center;
    }

    .cta-content {
        padding: 0 0 20px 0;
        width: 100%;
    }
    
    .cta-benefits {
        justify-content: center;
        flex-wrap: wrap;
    }

    .cta-form-wrapper {
        width: 100%;
        flex: none;
        border-left: none;
        border-top: 1px solid #eee;
        padding-top: 20px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .btn-cta-submit {
        height: 48px; /* 移动端手指友好 */
    }
}