body {
    min-height: 100vh;
    background-image: linear-gradient(to bottom right, #A6DCDD, #83DEB5, #4DB8BA);
    background-attachment: fixed;
    margin: 0; /*贴合浏览器外边距*/
    padding:0;/*贴合浏览器内边距*/
    width: 100%;/*贴合浏览器宽度*/
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
  }

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    z-index: 1000;
  }

  .logo {
    height: 120px;
    width: auto;
    top: -5px;
    left: -20px;
    position: absolute;
  }

  .container {
    width: 100%;
    min-height: calc(100vh - 80px);
    margin-top: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }

  .image-stack {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .stack-item {
    position: absolute;
    width: 400px;
    height: auto;
    border-radius: 20px;
    top: -10%;
    cursor: pointer;
    transition: transform 0.3s ease, left 0.3s ease, top 0.3s ease, z-index 0.3s ease;
    --i: 0;
    --row: 0;
    --hover-rotate: 15deg;
  }

  .rotate-10 {
    transform: rotate(-30deg);
  }

  .rotate-neg-8 {
    transform: rotate(40deg);
  }

  .rotate-12 {
    transform: rotate(25deg);
  }

  .rotate-neg-10 {
    transform: rotate(-27deg);
  }

  .rotate-15 {
    transform: rotate(13deg);
  }


  .rotate-neg-15 {
    transform: rotate(-10deg);
    z-index: 10;
  }

  .image-stack:hover .stack-item {
    width: 300px;
    height: auto;
    left: calc(90% + (var(--col) - 2) * 300px);
    top: calc(5% + var(--row) * 120px);
    transform: rotate(var(--hover-rotate)) !important;
  }

  .image-stack:hover .stack-item:hover {
    transform: rotate(var(--hover-rotate)) scale(1.1) !important;
    z-index: 100;
  }

  .stack-item[data-index="0"] {
    --i: 0;
    --col: 0;
    --row: -1;
    --hover-rotate: -20deg;
    z-index: 10;
  }

  .stack-item[data-index="1"] {
    --i: 1;
    --col: 1;
    --row: -1;
    --hover-rotate: 15deg;
  }

  .stack-item[data-index="2"] {
    --i: 2;
    --col: 2;
    --row: -1;
    --hover-rotate: -15deg;
  }

  .stack-item[data-index="3"] {
    --i: 3;
    --col: 0;
    --row: 1;
    --hover-rotate: 10deg;
  }

  .stack-item[data-index="4"] {
    --i: 4;
    --col: 1;
    --row: 1;
    --hover-rotate: -12deg;
  }

  .stack-item[data-index="5"] {
    --i: 5;
    --col: 2;
    --row: 1;
    --hover-rotate: 12deg;
  }

  .layered-background {
    position: fixed;
    top: 0%;
    left: 0;
    width: 100%;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
  }

  .layered-background img {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: auto;
  }

  .tea-base {
    bottom: 0;
    z-index: -1;
  }

  .mountains-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 85vh;
    pointer-events: none;
    z-index: 0;
    padding: 0;
    box-sizing: border-box;
    overflow: visible;
  }

  .mountain {
    position: absolute;
    bottom: 0;
    height: auto;
    max-height: 85vh;
    bottom: 0;
    width: auto;
    object-fit: contain;
    display: block;
  }

  .mountain-1 {
    left: 0%;
    animation: drift1 8s ease-in-out infinite;
    max-width: 100%;
    z-index: 1;
  }

  .mountain-2 {
    left: 15%;
    animation: drift2 10s ease-in-out infinite;
    max-width: 100%;
    z-index: 2;
  }

  .mountain-3 {
    left: 80%;
    transform: translateX(-50%);
    animation: drift3 12s ease-in-out infinite;
    max-width: 100%;
    z-index: 3;
  }

  .mountain-4 {
    right: 10%;
    animation: drift4 9s ease-in-out infinite;
    max-width: 100%;
    z-index: 5;
  }

  .mountain-5 {
    left: 10%;
    animation: drift5 11s ease-in-out infinite;
    max-width: 100%;
    z-index: 4;
  }

  @keyframes drift1 {
    0% {
      transform: translateX(35px);
    }
    50% {
      transform: translateX(-5px);
    }
    100% {
      transform: translateX(35px);
    }
  }

  @keyframes drift2 {
    0% {
      transform: translateX(0);
    }
    50% {
      transform: translateX(35px);
    }
    100% {
      transform: translateX(0);
    }
  }

  @keyframes drift3 {
    0% {
      transform: translateX(-50%);
    }
    50% {
      transform: translateX(calc(-50% - 38px));
    }
    100% {
      transform: translateX(-50%);
    }
  }

  @keyframes drift4 {
    0% {
      transform: translateX(0);
    }
    50% {
      transform: translateX(28px);
    }
    100% {
      transform: translateX(0);
    }
  }

  @keyframes drift5 {
    0% {
      transform: translateX(0);
    }
    50% {
      transform: translateX(-32px);
    }
    100% {
      transform: translateX(0);
    }
  }

  .drink-image {
    position: absolute;
    width: 300px;
    height: auto;
    left: 10%;
    top: 78%;
    margin-bottom: 200px;
    bottom: 50px;
    opacity: 0;
    transition: opacity 1.5s ease-in;
    pointer-events: none;
    z-index: 20;
   
  }

  .drink-image.show {
    opacity: 1;
  }

  #drink-image-2,
  #drink-image-3,
  #drink-image-4,
  #drink-image-5,
  #drink-image-6,
  #drink-image-7,
  #drink-image-8,
  #drink-image-9
  {
    top: 78%;
    margin-bottom: 200px;
  }

  .matcha-fraise-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-fraise-text.show {
    opacity: 1;
  }

  .matcha-fraise-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-fraise-description.show {
    opacity: 1;
  }


  .matcha-mangue-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-mangue-text.show {
    opacity: 1;
  }

  .matcha-mangue-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-mangue-description.show {
    opacity: 1;
  }

  .matcha-peche-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-peche-text.show {
    opacity: 1;
  }

  .matcha-peche-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-peche-description.show {
    opacity: 1;
  }

  .matcha-chocolat-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-chocolat-text.show {
    opacity: 1;
  }

  .matcha-chocolat-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-chocolat-description.show {
    opacity: 1;
  }

  .matcha-flan-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-flan-text.show {
    opacity: 1;
  }

  .matcha-flan-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-flan-description.show {
    opacity: 1;
  }

  .matcha-oreo-text {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: 100%;
    font-size: 100px;
    font-weight: bold;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 11;
  }

  .matcha-oreo-text.show {
    opacity: 1;
  }

  .matcha-oreo-description {
    position: absolute;
    left: calc(10% + 300px + 40px);
    top: calc(100% + 120px);
    font-size: 25px;
    color: white;
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    font-family: Arial, sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    max-width: 1000px;
    z-index: 11;
  }

  .matcha-oreo-description.show {
    opacity: 1;
  }