/* 基础样式定义 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: var(--primary-color);
}



img {
  max-width: 100%;
  height: auto;
}

/* 容器与布局 */
.container {
  max-width: 800px;
  margin: 20px auto;
  padding: 0 20px;
}

.section {
  padding: 2rem 0;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

/* 文本样式 */
.text-center {
  text-align: center;
}

.text-2xl {
  font-size: 1.8rem;
  font-weight: bold;
}

.text-xl {
  font-size: 1.5rem;
  font-weight: 600;
}

.text-lg {
  font-size: 1.25rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-primary {
  color: var(--primary-color);
}

.text-gray {
  color: var(--text-gray);
}

.text-light-gray {
  color: var(--text-light-gray);
}

/* 卡片样式 */
.card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* 步骤样式 */
.step-card {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.5rem;
}

.step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background-color: var(--primary-color);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.step-content {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

/* 列表样式 */
.tutorial-list {
  list-style-type: none;
  padding-left: 1rem;
}

.tutorial-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.tutorial-list li:before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* 教程网格 */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.tutorial-link {
  display: block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tutorial-link:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.tutorial-image-container {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 0.8rem;
}

.tutorial-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.tutorial-link:hover .tutorial-image {
  transform: scale(1.05);
}

.tutorial-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tutorial-link:hover .tutorial-overlay {
  opacity: 1;
}

.tutorial-button {
  background-color: #ffffff;
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.tutorial-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.tutorial-description {
  font-size: 0.875rem;
  color: var(--text-gray);
}

/* 常见问题样式 */
.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.faq-question {
  padding: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.faq-answer {
  padding: 1rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.tips {
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  padding: 5vw;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.tips > div {
  padding: 20px 0;
  max-width: 500px;
  display: block;
  /* text-align: center; */
}

/* .swiper {
          max-height: 600px;
        } */
.swiper img {
  display: block;
  position: relative;
  margin: 0 auto;
  max-height: 600px;
  object-fit: contain;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .swiper {
    max-height: 100vh !important;
  }

  .tutorial-grid {
    grid-template-columns: 1fr;
  }

  .text-2xl {
    font-size: 1.5rem;
  }

  .text-xl {
    font-size: 1.25rem;
  }
}

.btn {
  border-radius: 4px;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  white-space: nowrap;
  text-decoration: none!important;
  display: inline-block;
  text-align: center;
  width: 100%;
  max-width: 200px;
  font-size: 13px;
}
.btn-primary {
  background-color: #4f7aff;
  color: white;
  border:none;
}