body{
  padding-top: 0;
}

/* ====== Hero Banner 区域 ====== */
.hero-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    margin-bottom: -5vw;
    /* min-height: 600px; */
    display: flex;
    justify-content: flex-start;
    overflow: hidden;
    /* align-items: self-start; */
    z-index: 3;
}

/* 背景图片 - 这里需要你替换为实际的图片URL */
.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 90%;
  background-image: url('../img/sakura_banner.jpg'); /* 请替换你的背景图片路径 */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

/* 背景遮罩层，增强文字可读性 */
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 90%;
  background: none;
  z-index: 2;
}
.hero-banner.with-ellipse::after {
    content: '';
    position: absolute;
    bottom: 3vw;
    left: -15%;
    width: 130%;
    height: 10vw;
    background-color: white;
    border-radius: 50% / 100% 100% 0 0;
    z-index: 3;
}
.hero-banner.with-ellipse::before {
  z-index: 1;
  
}
/* Banner内容容器 */

.banner-content {
  position: relative;
  max-width: 1400px;
  z-index: 10;
  width: 100%;
  display: flex;
  align-items: center; /* 改为顶部对齐（控制子项整体对齐方式） */

  justify-content: space-between;

  margin: 0 auto;
  padding: 0 5%;
  height: 90%; /* 添加高度，让flex容器有空间 */
}
/* Banner樱花 */
.banner-flower1{
    position: absolute;
    top: 15%;
    left: 40%;
    z-index: 4;
    width: 10vw;
}
/* Banner樱花 */
.banner-flower2{
    position: absolute;
    top: 40%;
    left: 5%;
    z-index: 4;
    width: 7vw;
}
.banner-flower3{
    position: absolute;
    top: 20%;
    right: 2%;
    z-index: 4;
    width: 5vw;
}
/* 左侧巴士图片 */
.bus-image {
    justify-content: flex-start;
    width: 45vw;
    bottom: 5vw;
    left: 5vw;
    position: absolute;
    z-index: 15;
}

.bus-image img {
   max-width: 100%;
  height: auto;
  max-height: 90%; /* 限制在容器高度的90% */

  object-fit: contain;
}
.banner-left{
  flex: 0 0 55%;
}

/* 右侧文字内容 */
.banner-text {
    background: rgba(255, 255, 255, 0.8);
    padding: 20px 50px;
    flex: 0 0 35%;
    text-align: left;
    margin-top: -25vh;
}

.main-catch {
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #636967;
 
}

.main-catch br {
  display: block;
  margin-bottom: 0.5rem;
}

.sub-catch {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    background: #ffb6c1;
    color: #fff;
    text-shadow: 1px 1px 0 #fff, 2px 2px 0 #000;
    letter-spacing: 1px;
    padding: 5px 10px 10px;
}

.description {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #636967;

  padding-left: 0.5rem;
  border-left: 3px solid #ffb6c1;
}
.banner-view{
background: url(../img/home_banner_view10.png) no-repeat;
    background-size: contain;
    width: 58vw;
    height: 58vw;
    position: absolute;
    z-index: 3;
    bottom: -16vw;
    transform: rotate(4deg) !important;
    right: 0vw;
}



@media (max-width: 768px) {
  .banner-left{
    order: 2;
  }
  .hero-banner {
        position: relative;
        width: 100%;
        height: 66vh;
        min-height: auto;
        display: flex;
        justify-content: center;
        overflow: hidden;
        z-index: 3;
  }
  .hero-banner.with-ellipse::after {
      height: 20vw;
  }
  .bus-image, .banner-text {
      margin-top: 8vw;
      height: auto;
      margin-right: 0;
      flex: none;
      
  }
  .bus-image {
      bottom: 8vw;
      height: auto;
      max-width: 40vh;
      margin-right: 0;
      flex: none;
      margin: 0 auto;
      left: 0;
      right: 0;
      order: 2;
      width: auto;
      padding: 0 5%;
  }
  .banner-view{
      width: 50vw;
      height: 50vw;
      position: absolute;
      z-index: 3;
      bottom: -8vw;
      transform: rotate(5deg);
      right: -6vw;
  }
  .banner-text {
      padding: 5px 20px;
      order: 1;
      margin-top: 15%;
  }
  .banner-content {
      flex-direction: column;
      text-align: center;
      flex: none;
      height: 125vw;
      margin-top: 0vw;
  }
  .main-catch {
    font-size: 2rem;
  }
  
  .sub-catch {
    font-size: 1rem;
  }
  
  .description {
    font-size: 0.9rem;
  }
}

/* ====== 简洁新闻样式 - 白色背景 ====== */
.news-section.white-bg {
    background: #ffffff;
    margin-top: -8vw;
    position: relative;
    z-index: 99;
    padding: 0 0 60px; 
}

.news-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

/* 标题 */
.section-title {
  text-align: center;
  font-size: 2rem;
  color: #2c3e50;
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: #ffb6c1;
}
.home-flower1{
  position: absolute; 
  top: 10%; 
  left: 15%;
   width: 50px;
}
.home-flower2{
  position: absolute; 
  bottom: -30%; 
  left: 5%;
   width: 120px;
}
.home-flower3{
  position: absolute; 
  bottom: 10%; 
  right: 3%;
   width: 100px;
}
.home-flower4{
  position: absolute; 
  top: -10%; 
  left: 8%;
   width: 80px;
}
/* 新闻列表 */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

/* 每个新闻项 */
.news-item {
  display: flex;
  align-items: flex-start;
  padding: 25px 20px;
  gap: 20px;
  border-bottom: 1px solid #f0f0f0;
  position: relative;
  transition: background-color 0.2s ease;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background-color: #fafafa;
}

/* 日期 */
.news-date {
  flex: 0 0 200px;
  color: #ff6b9d;
  font-weight: 600;
  padding-top: 2px;
}

/* 内容 */
.news-content {
  flex: 1;
  color: #333;
  font-size: 1rem;
  display: flex;
  gap: 20px;
  line-height: 1.6;
}

.news-content a {
  color: #ff6b9d;
  text-decoration: none;
  font-weight: 500;
}

.news-content a:hover {
  color: #ff4081;
  text-decoration: underline;
}
.news-content p{
  margin-top: 2px;
  margin-bottom: 0px;
}
.news-item:last-child .news-content p{

  
    margin-right: 20px;
}
/* 图片 */
.news-content .news-image {
    margin-top: -8px;
}
.safety-bus2-icon img{
    
    height: 50px;
    vertical-align: top;
}
/* 响应式设计 */
@media (max-width: 768px) {
  .news-content {
    align-items: center;
  }

  .home-flower1{
    top: -5%;
    left: 15%;
  }
  .home-flower2 {
    bottom: 0%;
    left: 75%;
    width: 80px;
  }
  .home-flower3 {
    position: absolute;
    bottom: 5vw;
    right: -5vw;
    width: 20vw;
}
  .home-flower4 {
    position: absolute;
    top: -15vw;
    left: 5vw;
    width: 10vw;
}
  .news-section.white-bg {
    padding: 0px 0 50px;
    margin-top: -12vw;
  }
  
  .section-title {
    margin-bottom: 30px;
  }
  
  .news-item {
    flex-direction: column;
    padding: 15px 0;
  }
  
  .news-date {
    flex: none;
    margin-bottom: 5px;
  }
  
  .news-content {
  }
  
  .news-content .news-image {
    margin-left: 0;
    display: block;
    margin-top: 15px;
  }
  
  .news-item:hover {
    padding-left: 8px;
    padding-right: 8px;
    margin-left: -8px;
    margin-right: -8px;
  }
}
@media (max-width: 480px) {
  .section-title {
     font-size: 1.7em;
  }
}

/* ====== Promise Section 全宽分割布局 ====== */
.promise-section {
  width: 100%;
  position: relative;
  padding: 0px 0 2%;
  overflow: hidden;
  margin-bottom: 80px;
}


/* 全宽容器 */
.promise-container{
  display: flex;
  margin-top: 5%;
}
.promise-section::after{
    content: "";
    background: #FFF1F0;
    display: block;
    position: absolute;
    width: 50%;
    height: 88%;
    right: 0;
    top: 17%;
}
/* 左侧白色区域 - 占40% */
.promise-left {
  flex: 0 0 40%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-right: 5%;
}

.promise-content {
  width: 100%;
}

/* 右侧粉色区域 - 占60% */
.promise-right {
  flex: 0 0 55%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* 标签样式 */
.promise-label {
  margin-bottom: 20px;
}

.label-text {
  font-size: 2rem;
  font-weight: bold;
  color: #ff6b9d;
  display: inline-block;
  padding-bottom: 10px;
  border-bottom: 3px solid #ffb6c1;
  line-height: 1;
}


/* 标题 */
.promise-title {
  font-size: 1.5rem;
  color: #2c3e50;
  margin-bottom: 20px;
  line-height: 1.4;
  font-weight: 600;
}

/* 列表 */
.promise-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  gap: 15px;
}

.list-item:last-child {
  margin-bottom: 0;
}

.item-marker {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  background: rgba(255, 182, 193, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ff6b9d;
  font-weight: bold;
  font-size: 1.2rem;
  margin-top: 2px;
}


.item-text {
  flex: 1;
  color: #444;
  font-size: 1rem;
  line-height: 1.7;
}

/* 图片区域 */
.images-container {
  width: 100%;
  max-width: 900px;
}

/* 图片一排布局 */
.images-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    justify-content: center;
}

.image-item {
  flex: 1;
  min-width: 0; /* 防止flex项目溢出 */
  position: relative;
  border-radius: 5px;
  overflow: hidden;
}

.image-item:hover {
}

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

.image-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 12px 15px;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.3;
}


/* 反转布局 - 安全区块 */
.promise-fullwidth.reverse {
  flex-direction: row-reverse;
}


@media (max-width: 992px) {
  .promise-container{
    display: block;
    margin-top: 15%;
  }
  .promise-fullwidth {
    flex-direction: column;
    min-height: auto;
  }
  
  .promise-fullwidth.reverse {
    flex-direction: column;
  }
  
  .promise-left,
  .promise-right,
  .security-left {
    flex: none;
    width: 100%;
    padding: 60px 5%;
    box-sizing: border-box;
  }
  .promise-section{
    margin-bottom: 0;
  }
  .promise-section::after {
      content: "";
      background: #FFF1F0;
      display: block;
      position: absolute;
      width: 100%;
      height: 100%;
      right: 0;
      top: 10%;
  }
  /* 图片在手机上变2×2网格 */
  .images-row {
    flex-wrap: wrap;
  }
  
  .image-item {
    flex: 0 0 calc(50% - 10px);
  }
  
  
}

@media (max-width: 768px) {
  .promise-left,
  .promise-right{
    padding: 50px 5%;
  }
  
  .label-text {
    font-size: 2.2rem;
  }
  
  .promise-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
  }
  
  .list-item {
    margin-bottom: 20px;
  }
  
  .item-text {
    font-size: 1rem;
  }
  
  .images-row {
    gap: 15px;
  }
  
  .image-item {
    flex: 0 0 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  
}

@media (max-width: 480px) {
  .promise-left,
  .promise-right,
  .security-left {
    padding: 40px 5%;
  }
  
  .label-text {
    font-size: 1.8rem;
  }
  
  .promise-title {
    font-size: 1.3rem;
  }
  
  .item-marker {
    width: 25px;
    height: 25px;
    font-size: 1rem;
  }
  
  .list-item {
    gap: 10px;
  }
  
  .images-row {
    gap: 12px;
  }
  
  .image-label {
    font-size: 0.8rem;
    padding: 10px;
  }
  
}


/* ====== Security Section 安全区块 ====== */
.security-section {
  width: 100%;
  background: #fff;
  padding: 30px 0 80px;
  position: relative;
}

.security-fullwidth {
  display: flex;
  min-height: 600px;
  max-width: 1400px;
  margin: 0 auto;
  gap: 30px;
  border-radius: 20px;
}

/* 左侧图片区域 - 占50% */
.security-image-side {
  flex: 0 0 50%;
  background: #FFF1F0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
}

.security-image-container {
  width: 100%;
}

.security-main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* 安全要点图标 */
.security-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
    padding: 30px 60px 50px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.security-section .feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #ffb6c1, #ff6b9d);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 5px 15px rgba(255, 107, 157, 0.3);
  transition: transform 0.3s ease;
}

.security-section .feature-item:hover .feature-icon {
  transform: translateY(-5px) scale(1.1);
}

.security-section .feature-text {
  color: #2c3e50;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
}

/* 右侧文字区域 - 占50% */
.security-text-side {
  flex: 0 0 50%;
  background: #f9f9f9;
  padding: 60px;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  border-radius: 8px;
}

.security-content {
  width: 100%;
  max-width: 600px;
}

/* 安全标签 */
.security-label {
  margin-bottom: 25px;
}

.security-label-text {
    font-size: 2rem;
    font-weight: bold;
    color: #ff6b9d;
    display: inline-block;
    padding-bottom: 10px;
    border-bottom: 3px solid #ffb6c1;
    line-height: 1;
}

/* 标题 */
.security-title {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.4;
    font-weight: 600;
}

/* 安全要点 */
.security-points {
  margin-bottom: 40px;
}

.security-point {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 25px;
}

.security-point:last-child {
  margin-bottom: 0;
}

.point-check {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  background: rgba(255, 182, 193, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ff6b9d;
  font-size: 1rem;
  margin-top: 2px;
}

.point-text {
  flex: 1;
  color: #444;
  font-size: 1rem;
  line-height: 1.7;
}

/* 安全认证徽章 */
.safety-badge {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border-left: 4px solid #ffb6c1;
}

.safety-badge img {
  flex-shrink: 0;
}

.badge-text {
  display: flex;
  flex-direction: column;
}

.badge-text strong {
  color: #2c3e50;
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.badge-text span {
  color: #ff6b9d;
  font-weight: 600;
  font-size: 1.2rem;
}


@media (max-width: 992px) {
  .security-section {
    overflow: hidden;
    padding: 60px 0;
  }
  
  .security-fullwidth {
    flex-direction: column;
  }
  
  .security-image-side,
  .security-text-side {
    flex: none;
    width: 100%;
  }
  
  .security-main-image {
    height: 300px;
  }
  
  .security-label-text {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .security-text-side {
    padding: 20px;
  }
  
  .security-main-image {
    height: 250px;
    margin-bottom: 30px;
  }
  
  .security-features {
        gap: 20px;
        padding: 0px 20px 50px;
  }
  
  .security-label-text {
    font-size: 1.8rem;
  }
  
  .security-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
  }
  
  .security-point {
    gap: 15px;
    margin-bottom: 20px;
  }
  .security-section .feature-icon {
      width: 40px;
      height: 40px;
      font-size: 1.2rem;
  }
  .point-check {
    width: 35px;
    height: 35px;
    font-size: 1.1rem;
  }
  
  .point-text {
    font-size: 1rem;
  }
  
  .safety-badge {
    padding: 15px;
  }
  
  .feature-text {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .security-section {
    padding: 50px 0;
  }
  
  .security-fullwidth {
  }
  
  .security-image-side,
  .security-text-side {
  }
  
  .security-main-image {
    height: 200px;
  }
  
  .security-label-text {
    font-size: 1.6rem;
  }
  
  .security-title {
    font-size: 1.3rem;
  }
  
  .security-point {
  }
  
  .point-check {
    align-self: flex-start;
  }
  
  .safety-badge {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
}
/* ====== Usage Section 样式 ====== */
.usage-section {
  background-color: #FFF1F0;
  padding: 80px 0;
  position: relative;
}

/* 背景装饰元素 */
.usage-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* background-image: 
    radial-gradient(circle at 20% 30%, rgba(255, 182, 193, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 107, 157, 0.08) 0%, transparent 50%); */
  pointer-events: none;
}

/* 主容器 */
.usage-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
  position: relative;
  z-index: 1;
}

/* 标题区域 */
.usage-header {
  text-align: center;
  margin-bottom: 80px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.usage-title {
  font-size: 2rem;
  color: #2c3e50;
  margin-bottom: 25px;
  margin-top: 0;
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
}

.usage-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #ffb6c1, #ff6b9d);
  border-radius: 2px;
}

.usage-description {
  color: #555;
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0;
  letter-spacing: 0.5px;
}

/* 网格布局 */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 每个用途项目 */
.usage-item {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  height: 100%;
}

.usage-item:hover {
  transform: translateY(-10px);
}

/* 图片区域 - 占大部分空间 */
.usage-image-wrapper {
  position: relative;
  height: 320px; /* 图片占较大比例 */
  overflow: hidden;
  border-radius: 12px;
}

.usage-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.1) 100%);
  z-index: 1;
  opacity: 0.5;
}


/* 文字区域 - 白色背景 */
.usage-text-wrapper {
  background: white;
  padding: 25px 20px 25px;
  border-radius: 12px;
  flex: 1;
  display: flex;
  margin-top: 20px;
  flex-direction: column;
  position: relative;
}

/* 标题 */
.usage-item-title {
  font-size: 1.2rem;
  color: #2c3e50;
  margin-bottom: 20px;
  margin-top: 0;
  line-height: 1.4;
  font-weight: 600;
  position: relative;
  padding-bottom: 15px;
}
.usage-text-wrapper .feature-icon{
    color: #ff6b9d;
    position: absolute;
    right: 20px;
    font-size: 1.3rem;
    top: 15px;
    border: 1px solid #ff6b9d;
    padding: 8px 10px 12px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    text-align: center;
}
.usage-item-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: #ffb6c1;
  border-radius: 1px;
}

/* 文字内容 */
.usage-item-text {
  flex: 1;
}

.usage-item-text p {
  color: #555;
  font-size: 1rem;
  line-height: 1.8;
  margin: 0;
  letter-spacing: 0.3px;
}

/* 第2列反转样式 */
.usage-item.reverse {
  flex-direction: column-reverse;
}
.usage-item.reverse .usage-text-wrapper{
    margin-bottom: 20px;
    margin-top: 0;
}

.usage-item.reverse .usage-text-wrapper::before {
  top: auto;
  bottom: -10px;
}

.usage-section {
  position: relative;
  background-color: #FFF1F0;
  padding: 100px 0 150px;
  overflow: hidden;
}
.background-section {
    background-color: #FFF1F0;
}
.usage-section::after {
  /* content: '';
  position: absolute;
  bottom: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: #FDFDFD;
  border-radius: 50% 20% 40% 30% / 60% 40% 50% 30%;
  z-index: 1; */
}
@media (max-width: 992px) {
  .usage-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .usage-item.reverse .usage-text-wrapper {
      margin-bottom: 0px;
      margin-top: 10px;
  }
  .usage-item .usage-text-wrapper {
      margin-top: 10px;
  }
  .usage-header {
    margin-bottom: 60px;
  }
  
  
  .usage-image-wrapper {
    height: 350px;
  }
  
  /* 平板端保持交错 */
  .usage-item.reverse {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .usage-section {
    padding: 60px 0 100px;
  }
  
  
  .usage-description {
    font-size: 1rem;
    line-height: 1.7;
  }
  
  .usage-header {
    margin-bottom: 50px;
  }
  
  .usage-image-wrapper {
    height: 280px;
  }
  
  .usage-text-wrapper {
    padding: 25px 20px;
  }
  
  .usage-item-title {
    margin-bottom: 15px;
  }
  
  .usage-item-text p {
    line-height: 1.7;
  }
}

@media (max-width: 480px) {
  .usage-text-wrapper .feature-icon {
      right: 15px;
      font-size: 1rem;
      top: 22px;
      padding: 5px;
      width: 25px;
      height: 25px;
  }
  .usage-title {
    font-size: 1.8rem;
  }
  
  .usage-description br {
    display: none;
  }
  
  .usage-image-wrapper {
    height: 220px;
  }
  
  .usage-text-wrapper::before {
    left: 20px;
  }
  
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.usage-header {
  animation: fadeIn 0.8s ease forwards;
}

.usage-item {
  animation: slideUp 0.6s ease forwards;
  opacity: 0;
}

.usage-item:nth-child(1) { animation-delay: 0.2s; }
.usage-item:nth-child(2) { animation-delay: 0.3s; }
.usage-item:nth-child(3) { animation-delay: 0.4s; }