.section1 {
    background: #111847;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
    justify-content: flex-end;
}

.section1-bgimg-wrap {
    position: absolute;
    left: 0;
    bottom: -15vw;
    width: 100vw;
    height: 40vh;
    z-index: 1;
    overflow: visible;
}

.section1-bgimg {
    width: 100vw;
    height: 40vh;
    transform: scale(1.2) !important;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0;
}

.section1-bgimg2 {
    width: 30vw;
    height: auto;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 40vw;
    bottom: 20vw;
    z-index: 1;
    opacity: 1;
    animation: float 3.5s ease-in-out infinite;
}

.section1-bgimg3 {
    width: 20vw;
    height: auto;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 80vw;
    bottom: 15vw;
    z-index: 1;
    opacity: 1;
    transform: scale(1.1);
    transition: transform 1s ease-in;
    animation: float 3s ease-in-out infinite;
}

.section1-bgimg3:hover {
    animation-play-state: paused;
    transform: scale(1.3) !important;
}

.section1-letters-wrap {
    position: absolute;
    left: 0;
    bottom: 40vh;
    width: 100vw;
    height: 40vh;
    z-index: 3;
    pointer-events: none;
}

.section1-letters {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 40vh;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    z-index: 3;
    pointer-events: auto;
    padding: 0 4vw;
}

.section1-letter {
    width: 10vw;
    min-width: 100px;
    height: auto;
    z-index: 1;
    pointer-events: auto;
    filter: drop-shadow(0 4px 12px #0006);
    opacity: 0;
}

.section1-lines {
    width: 100vw;
    height: 70vh;
    position: absolute;
    left: 0;
    bottom: -5vw;
    z-index: 10;
}

.section2 {
    background-color: #e9b1c6;
    padding: 20px 10px 20px 30px;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.section2-box{
    position: relative;
    width: 80%;
    margin-top: -100px;
}
.section2-box img{
    width: 100%;
}

.section2-box > .section2-text{
    position: absolute;
    top: 23%;
    left: 3%;
    font-size: 48px;
    line-height: 1.6;
    font-weight: bold;
    text-align: start;
    color: #000000;
}


@keyframes float {
    0% {
        transform: translateY(0);
        /* 初始位置 */
    }

    50% {
        transform: translateY(-20px);
        /* 向上移动 10px */
    }

    100% {
        transform: translateY(0);
        /* 返回初始位置 */
    }
}



.section3 {
    background: #e9b1c6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.section3-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.section3-img-row {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 80px;
    margin-bottom: 60px;
}
.section3-img-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: float 3s ease-in-out infinite;
}
.animate1 {
    animation-delay: 0s;
}
.animate2 {
    animation-delay: 1s;
}
.animate3 {
    animation-delay: 2s;
}
.section3-img-circle {
    width: 20vw;
    height: 20vw;
    border-radius: 50%;
    box-shadow: 0 4px 24px #e9b1c655;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    overflow: hidden;
}
.section3-img-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    display: block;
}
.section3-img-label {
    font-size: 4rem;
    color: #a94e7a;
    font-weight: 600;
    letter-spacing: 1px;
    margin-top: 2px;
    text-align: center;
}
.section3-expand-box {
    background: #111847;
    border-radius: 30px;
    box-shadow: 0 8px 32px #11184755;
    min-height: 25vw;
    margin-bottom: -10vw;
    display: flex;
    align-items: start;
    justify-content: center;
    overflow: hidden;
    transition: width 1.2s cubic-bezier(.68,-0.55,.27,1.55), height 1.2s cubic-bezier(.68,-0.55,.27,1.55), min-height 1.2s cubic-bezier(.68,-0.55,.27,1.55), border-radius 1.2s cubic-bezier(.68,-0.55,.27,1.55), box-shadow 1.2s;
    position: relative;
    z-index: 2;
}
.section3-expand-text {
    color: #fff;
    font-size: 4rem;
    font-weight: 500;
    padding: 36px 38px;
    text-align: center;
    line-height: 1.7;
    letter-spacing: 0.5px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(.68,-0.55,.27,1.55), transform 0.7s cubic-bezier(.68,-0.55,.27,1.55);
}
.section3-expand-text.hide {
    opacity: 0;
    transform: translateY(-60px);
    pointer-events: none;
}
/* 扩展动画：下滑时方框逐渐扩展为全屏 */
.section3.expand .section3-expand-box {
    width: 100vw;
    min-height: 100vh;
    border-radius: 0;
    box-shadow: none;
    align-items: flex-start;
    justify-content: flex-start;
    transition: width 1.2s cubic-bezier(.68,-0.55,.27,1.55), min-height 1.2s cubic-bezier(.68,-0.55,.27,1.55), border-radius 1.2s cubic-bezier(.68,-0.55,.27,1.55), box-shadow 1.2s;
    z-index: 100;
}
.section3.expand .section3-expand-text {
    font-size: 2.2rem;
    padding: 120px 10vw 0 10vw;
    text-align: left;
    color: #fff;
    transition: font-size 1.2s, padding 1.2s, text-align 1.2s;
}


.section4 {
    display: flex;
    width: 100%;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background-color: #111847;
    position: relative;
    overflow: hidden;
}
.section4-left, .section4-right {
    flex: 1 1 0;
    display: flex;
    align-items: start;
    justify-content: center;
    width: 50vw;
    height: 100%;
}
.section4-sideimg {
    width: 30vw;
    height: auto;
    opacity: 0.9;
}
.section4-center {
    height: 100%;
    flex: 2 1 0;
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
    min-width: 0;
    position: relative;
}
/* section4-text slide down disappear */
.section4-text {
    color: #ffffff;
    font-size: 40px;
    line-height: 1.6;
    font-weight: bold;
    text-align: start;
    padding-right: 80px;
    margin-left: 50px;
    margin-bottom: 20px;
    margin-top: 50px;
    flex: 1;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s, transform 1.0s cubic-bezier(.68,-0.55,.27,1.55);
}
.section4-text.hide {
    opacity: 0;
    transform: translateY(80px);
    pointer-events: none;
}

/* section4-animate slide up appear */
.section4-animate {
    width: 100%;
    display: flex;
    align-items: start;
    justify-content: start;
    margin-top: 20vw;
    z-index: 2;
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1.7s cubic-bezier(.68,-0.55,.27,1.55), transform 1.8s cubic-bezier(.68,-0.55,.27,1.55);
    pointer-events: none;
}
.section4-animate.show {
    opacity: 1;
    transform: translateY(-20vw);
    pointer-events: auto;
}

.section4-notebook-wrap {
    position: relative;
    width: 30vw;
    max-width: 80vw;
    height: 50vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section4-notebook {
    height: 100%;
    object-fit: contain;
    border-radius: 18px;
    position: absolute;
    left: -10vw;
    top: 0;
    z-index: 1;
}

.section4-overlay {
    width: 70%;
    height: 70%;
    object-fit: contain;
    position: absolute;
    left: 30%;
    top: 10%;
    z-index: 2;
    pointer-events: none;
    opacity: 0.98;
    transition: opacity 0.6s;
}



.section5 {
    display: flex;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    background-color: #111847;
}

.section5-left {
    flex: 1;
    position: relative;
}

.background-slant {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    z-index: 2;
}

.background-slant img {
    width: 130%;
    height: 100%;
    object-fit: cover;
    z-index: 9;
    position: relative;
}

.large-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.large-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.top-banner,
.middle-banner {
    position: absolute;
    display: flex;
    height: 80px;
    align-items: center;
    background-color: #d4f4f1;
    padding: 10px 20px;
    z-index: -1;
    border-radius: 10px;
}

.top-banner {
    top: 10%;
    left: 5%;
    width: 80%;
    justify-content: space-between;
}

.middle-banner {
    top: 45%;
    left: 67%;
    width: 40%;
    transform: translateY(-50%);
}

.banner-text {
    flex: 1;
    font-size: 36px;
    max-width: 80%;
    text-align: start;
    font-weight: bold;
    color: #333;
    margin-left: 10px;
}

.banner-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #ffffff;
    margin-left: 10px;
}

.section5-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: start;
    padding: 20px;
    margin-top: 5vw;
}

.section5-text {
    font-size: 48px;
    line-height: 1.6;
    color: #ffffff;
    text-align: start;
    font-weight: bold;
    padding-left: 15%;
    padding-right: 10px;
}


.section6 {
    width: 100%;
    padding: 50px 20px 10px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #111847;
    min-height: 100vh;
    overflow: hidden;
}

.section6-top {
    justify-items: center;
    text-align: center;
}

.section6-sentence {
    font-size: 48px;
    font-weight: 500;
    max-width: 85%;
    text-align: center;
    color: #ffffff;
}

.section6-bottom {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
}

.section6-left {
    /* flex: 1; */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.image-stack {
    position: relative;
    /* width: 80%; */
    max-width: 400px;
}

.image-front {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 2;
}

.section6-right {
    /* flex: 1; */
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
}
.section6-right img {
    width: 20vw;
    height: auto;
    margin-bottom: 20px;
    margin-left: 10vw;
}
.section6-title {
    font-size: 66px;
    font-weight: bold;
    color: #fde4ef;
}



.section7 {
    width: 100%;
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #111847;
    margin-bottom: 40px;
    min-height: 100vh;
    overflow: hidden;
}

.section7-top {
    width: 100%;
    text-align: left;
}

.section7-text {
    font-size: 48px;
    font-weight: bold;
    color: #ffffff;
    margin-left: 100px;
}

.section7-bottom {
    margin-top: -50px;
    display: flex;
    width: 100%;
    align-items: end;
    position: relative;
}

.section7-left {
    flex: 1;
    padding: 20px;
}

.section7-left img {
    width: 100%;
    transform: scale(1.8) rotate(-100deg);
    height: 300px;
    border-radius: 10px;
    animation: floatMed 2.5s ease-in-out infinite;
}

@keyframes floatMed {
    0% {
        transform: translateY(0) scale(1.8) rotate(-100deg);
        /* 初始位置 */
    }

    50% {
        transform: translateY(-20px) scale(1.8) rotate(-100deg);
        /* 向上移动 10px */
    }

    100% {
        transform: translateY(0) scale(1.8) rotate(-100deg);
        /* 返回初始位置 */
    }
}

.section7-right {
    flex: 4;
    /* 右边占五分之四 */
    position: relative;
    display: flex;
}

.image-stack7 {
    position: relative;
    display: flex;
    align-items: end;
    justify-content: end;
    width: 100%;
    height: auto;
}

.image-back7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: auto;
    transform: scale(0.5);
    transform-origin: left bottom;
    margin-left: -30px;
    opacity: 0;
    transition: transform 2s ease, opacity 1.5s ease, width 2s ease;
    z-index: 1;
}

.image-center7 {
    position: absolute;
    width: 40%;
    height: auto;
    transform-origin: left bottom;
    transform: scale(0.5);
    opacity: 0;
    transition: transform 2s ease, opacity 1.5s ease, width 2s ease;
    z-index: 2;
    border-radius: 10px;
    object-fit: cover;
}

.image-front7 {
    position: relative;
    width: 100%;
    height: auto;
    transform-origin: left bottom;
    transform: scale(0.5);
    margin-top: 10vw;
    opacity: 0;
    transition: transform 2s ease, opacity 1.5s ease, width 2s ease;
    z-index: 2;
    border-radius: 10px;
    object-fit: cover;
    animation: float 4s ease-in-out infinite;
}





.section8 {
    background-color: #111847;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}
.section8-box {
    width: 100vw;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 60px;
}

.section8-text p {
    margin: 0 0 12px 0;
    font-size: 48px;
    font-weight: bold;
    text-align: center;
}

/* section8 动画区域 */
.section8-anim {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 32vh;
    overflow: visible;
    pointer-events: none;
    z-index: 10;
}

.section8-waves {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 100%;
    z-index: 1;
    overflow: visible;
}

.section8-wave {
    position: absolute;
    bottom: 0;
    width: 200vw;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    opacity: 0.95;
    overflow: visible;
}

.section8-wave1 {
    left: 0;
    z-index: -10;
    animation: section8-wave1-move 18s linear infinite;
}

.section8-wave2 {
    left: 0;
    z-index: 10;
    opacity: 0.7;
    animation: section8-wave2-move 28s linear infinite;
}

@keyframes section8-wave1-move {
    0% {
        left: 0;
    }

    100% {
        left: -100vw;
    }
}

@keyframes section8-wave2-move {
    0% {
        left: 0;
    }

    100% {
        left: -100vw;
    }
}

.section8-boat {
    position: absolute;
    left: 0;
    bottom: 10vw;
    width: 30vw;
    height: auto;
    z-index: -1;
    animation: section8-boat-move 22s linear infinite;
    filter: drop-shadow(0 6px 12px #0008);
}

@keyframes section8-boat-move {
    0% {
        left: -30vw;
        transform: rotate(10deg);
    }
    10% {
        transform: rotate(-10deg);
    }
    20% {
        transform: rotate(10deg);
    }
    30% {
        transform: rotate(-10deg);
    }
    40% {
        transform: rotate(10deg);
    }
    50% {
        transform: rotate(-10deg);
    }
    60% {
        transform: rotate(10deg);
    }
    70% {
        transform: rotate(-10deg);
    }
    80% {
        transform: rotate(10deg);
    }
    90% {
        transform: rotate(-10deg);
    }
    100% {
        left: calc(100vw + 60px);
    }
}

.section8-text {
    color: #ffffff;
    font-weight: bold;
    font-size: 48px;
    text-align: center;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 3;
}




/* section9 四角图片布局 */
.section9 {
    position: relative;
    min-height: 100vh;
    background: #111847;
    overflow: hidden;
}

.section9-corner {
    position: absolute;
    z-index: 2;
    transition: transform 0.8s cubic-bezier(.68, -0.55, .27, 1.55);
}

.section9-topleft {
    top: 0;
    left: 0;
    width: 20vw;
    max-width: 350px;
}

.section9-topleft img {
    width: 100%;
    height: auto;
}

.section9-topright {
    top: 0;
    right: 0;
    width: 80vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.section9-bottomleft {
    left: 0;
    bottom: -2vw;
    width: 20vw;
    display: flex;
    align-items: flex-end;
}

  .animation-area {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 400px;
      position: relative;
  }

  /* 不规则圆形样式 */
  .bouncy-circle {
      width: 200px;
      height: 200px;
      background: linear-gradient(135deg, #ff6b6b, #ffa36c);
      border-radius: 50% 40% 60% 50% / 60% 50% 70% 40%;
      position: relative;
      animation: bounce 4s ease-in-out infinite, morph 8s ease-in-out infinite;
      box-shadow:
          0 0 30px rgba(255, 107, 107, 0.6),
          inset 0 0 20px rgba(255, 255, 255, 0.3);
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.2rem;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
      user-select: none;
  }

  .bouncy-circle:hover {
      filter: brightness(1.1);
  }

  /* 弹跳动画 */
  @keyframes bounce {

      0%,
      100% {
          transform: translateY(0) scale(1);
      }

      25% {
          transform: translateY(-30px) scale(1.05, 0.95);
      }

      50% {
          transform: translateY(0) scale(1);
      }

      75% {
          transform: translateY(-15px) scale(1.02, 0.98);
      }
  }

  /* 形状变化动画 */
  @keyframes morph {

      0%,
      100% {
          border-radius: 50% 40% 60% 50% / 60% 50% 70% 40%;
      }

      25% {
          border-radius: 60% 40% 50% 60% / 40% 60% 50% 70%;
      }

      50% {
          border-radius: 40% 60% 50% 40% / 50% 40% 60% 50%;
      }

      75% {
          border-radius: 50% 50% 60% 40% / 60% 60% 40% 50%;
      }
  }

  /* 点击反馈动画 */
  @keyframes click {
      0% {
          transform: scale(1);
      }

      50% {
          transform: scale(0.8);
      }

      100% {
          transform: scale(1);
      }
  }

  /* 点击时的效果 */
  .bouncy-circle.clicked {
      animation: click 0.5s ease;
      background: linear-gradient(135deg, #4ecdc4, #6a89cc);
      box-shadow:
          0 0 40px rgba(78, 205, 196, 0.8),
          inset 0 0 20px rgba(255, 255, 255, 0.4);
  }

.section9-bottomright {
    right: 0;
    bottom: 4vw;
    width: 20vw;
    max-width: 350px;
}

.section9-bottomright img {
    width: 100%;
    height: auto;
}



/* section9 右上角图片叠加与掉落动画 */
.section9-topright-bg img {
    width: 100%;
    height: auto;
    margin-top: -180px;
    margin-left: 100px;
    transform: rotate(-10deg);
    display: block;
}

.section9-topright-mid {
    position: absolute;
    top: 10vw;
    right: 3vw;
    width: 70%;
    /* transform: scale(6); */
    z-index: 2;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
}

.section9-midimg1,
.section9-midimg2,
.section9-midimg3 {
    width: 23%;
    margin-bottom: 10px;
    box-shadow: none;
    transition: box-shadow 0.5s;
}

.section9-topright-fall {
    position: absolute;
    top: -110px;
    right: 3vw;
    width: 70%;
    z-index: 3;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    pointer-events: none;
}

.section9-fallimg1,
.section9-fallimg2,
.section9-fallimg3 {
    width: 23%;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(-120px) scale(0.5);
    transition: opacity 0.3s, transform 0.8s cubic-bezier(.68, -0.55, .27, 1.55);
}

.section9-midimg1,
.section9-fallimg1 {
    margin-left: 250px;
}

.section9-fallimg1.falling,
.section9-fallimg2.falling,
.section9-fallimg3.falling {
    opacity: 1;
    transform-origin: top;
    transform: translateY(120px) scale(0.8);
}

.section9-midimg1.glow,
.section9-midimg2.glow,
.section9-midimg3.glow {
    filter: drop-shadow(0px 0px 20px #08fae6);
}

/* section9 中心文本 */
.section9-centertext {
    position: absolute;
    left: 20%;
    top: 30%;
    color: #b6c7ea;
    text-align: start;
    z-index: 10;
    width: 80vw;
}

.section9-line1,
.section9-line2,
.section9-line3 {
    font-size: 28px;
    font-weight: 600;
    margin: 3vw 0;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px #000a;
    max-width: 400px;
}
.section9-line2{
    margin-left: 25vw;
}
.section9-line3 {
    max-width: 550px;
}

/* section9 四角图片滚动离场动画 */
.section9.out-move .section9-topleft {
    transform: translate(-120%, -120%) scale(0.7) rotate(-20deg);
}

.section9.out-move .section9-topright {
    transform: translate(120%, -120%) scale(0.7) rotate(20deg);
}

.section9.out-move .section9-bottomleft {
    transform: translate(-120%, 120%) scale(0.7) rotate(-20deg);
}

.section9.out-move .section9-bottomright {
    transform: translate(120%, 120%) scale(0.7) rotate(20deg);
}



/* section10 */
.section10 {
    background-color: #111847;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.section10-bg {
    position: absolute;
    z-index: 1;
}

.section10-bg-left {
    left: -20vw;
    bottom: -46vw;
}

.section10-bg-right {
    right: -20vw;
    top: -35vw;
}

.section10-left-img {
    width: 90vw;
    height: auto;
    transform: scale(1.3);
    display: block;
}

.section10-right-img {
    width: 78vw;
    height: auto;
    display: block;
}

.section10-anim-area {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2;
}

.section10-ball {
    position: absolute;
    left: 2vw;
    top: 2vw;
    width: 54px;
    height: 54px;
    background: #ffffff;
    border-radius: 50%;
    filter: drop-shadow(0 4px 12px #ffffff);
    z-index: 3;
}

.section10-popup {
    position: absolute;
    display: flex;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    z-index: 4;
    transition: opacity 0.4s;
}

.section10-popup1 {
    left: 8vw;
    top: 12vh;
}

.section10-popup2 {
    right: 5vw;
    top: 38vh;
    flex-direction: row-reverse;
}

.section10-popup3 {
    left: 50vw;
    bottom: 10vh;
    transform: translateX(-50%);
}

.section10-popup-img {
    width: 20vw;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px #ffffff);
}

.section10-popup-text {
    font-size: 28px;
    color: #ffffff;
    max-width: 50vw;
    border-radius: 28px;
    font-weight: bold;
}



/* section11 扩散动画与内容 */
.section11 {
    position: relative;
    min-height: 100vh;
    background: #fefcea;
    overflow: hidden;
    z-index: 1;
}

.section11-bg {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    background: #111847;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    z-index: 2;
    transition: width 2.2s cubic-bezier(.68, -0.55, .27, 1.55),
        height 2.2s cubic-bezier(.68, -0.55, .27, 1.55);
}

.section11.open .section11-bg {
    width: 300vw;
    height: 300vw;
    transition: width 2.2s cubic-bezier(.68, -0.55, .27, 1.55),
        height 2.2s cubic-bezier(.68, -0.55, .27, 1.55);
}

.section11-circle {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 320px;
    height: 320px;
    background: #111847;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transition: opacity 1.5s 2.1s;
}

.section11.open .section11-circle {
    opacity: 1;
    pointer-events: none;
}

.section11-centertext {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    transition: transform 2.2s cubic-bezier(.68, -0.55, .27, 1.55), left 1.2s cubic-bezier(.68, -0.55, .27, 1.55), top 1.2s cubic-bezier(.68, -0.55, .27, 1.55), text-align 0.5s;
    z-index: 5;
    white-space: nowrap;
}

.section11.open .section11-centertext {
    left: 20vw;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    text-align: left;
    transition: transform 2.2s 2.2s cubic-bezier(.68, -0.55, .27, 1.55), left 1.2s 1.2s, top 1.2s 1.2s, text-align 0.5s 1.2s;
}

.section11-lines {
    position: absolute;
    left: 50%;
    top: 30%;
    width: 80vw;
    transform: translate(-50%, -50%);
    z-index: 4;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2.8vw;
}

.section11.open .section11-lines {
    opacity: 1;
    transition: opacity 1.2s 2.2s;
}

.section11-line1,
.section11-line2 {
    color: #b6c7ea;
    font-size: 2.5vw;
    font-weight: 500;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1.6s, transform 1.8s;
    text-align: left;
    width: 70vw;
    max-width: 1200px;
    margin-bottom: 2vw;
}

.section11.open .section11-line1 {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 2.3s;
}

.section11.open .section11-line2 {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 3.7s;
}

.section11-imgwrap {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60vw;
    max-width: 1200px;
    min-height: 80px;
    display: flex;
    align-items: center;
    opacity: 0;
    z-index: 2;
    transform: translateX(40vw);
    transition: opacity 1.6s 3.1s transform 1.7s;
}

.section11.open .section11-imgwrap {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 4.6s;
    z-index: 10;
}

.section11-img {
    width: 100%;
    height: auto;
    opacity: 0;
    transform: scale(0.7);
    transform: translateX(40vw);
    transition: opacity 1.6s 3.2s, transform 1.7s 3.2s;
}

.section11.open .section11-img {
    opacity: 1;
    transform: scale(1);
    transition-delay: 4.7s;
    transform: translateX(0vw);
}

/* 旋转和移动中心句子 */
.section11.open .section11-centertext {
    position: absolute;
    left: -45vw;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    font-size: 46px;
    transition: transform 2s 2.2s cubic-bezier(.68, -0.55, .27, 1.55),
        left 2s 2.2s,
        top 2s 2.2s;
    text-align: left;
    white-space: nowrap;
}

/* section12 Project Profile */
.section12 {
    background: #e9b1c6;
    min-height: 100vh;
    position: relative;
    padding: 60px 0 80px 0;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section12-title {
    position: absolute;
    left: 48px;
    top: 32px;
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    z-index: 2;
}

.section12-cards {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 48px;
    width: 100%;
    flex-wrap: wrap;
    max-width: 1200px;
}

.section12-card {
    background: #fefcea;
    border-radius: 24px;
    box-shadow: 0 6px 32px #e9b1c655;
    width: 340px;
    max-width: 90vw;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: all 2.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    transform: translateY(0) scale(1);
    display: flex;
    flex-direction: column;
}

.section12-card:hover {
    box-shadow: 0 12px 48px #e9b1c6aa;
    transform: translateY(-8px) scale(1.02);
}

.section12-gif-container {
    width: 100%;
    height: 260px;
    overflow: hidden;
    position: relative;
}

.section12-gif {
    width: 100%;
    height: 100%;
    /* object-fit: cover; */
    display: block;
    transition: transform 2.4s ease;
}

.section12-card:hover .section12-gif {
    transform: scale(1.05);
}

.section12-desc {
    width: 100%;
    background: #fefcea;
    color: #a94e7a;
    font-size: 18px;
    font-weight: 500;
    padding: 0 28px;
    box-sizing: border-box;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: left;
    border-radius: 0 0 24px 24px;
}

.section12-card:hover .section12-desc {
    max-height: 180px;
    opacity: 1;
    padding: 24px 28px 28px 28px;
}

/* 添加一个微妙的覆盖层效果 */
.section12-gif-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(254, 252, 234, 0.8) 90%);
    opacity: 0;
    transition: opacity 5s ease;
    pointer-events: none;
}

.section12-card:hover .section12-gif-container::after {
    opacity: 1;
}



.section13 {
    background: #e9b1c6;
    min-height: 100vh;
    position: relative;
    padding: 60px 0 80px 0;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section13-title {
    font-size: 58px;
    font-weight: 700;
    color: #000000;
    letter-spacing: 2px;
    margin-bottom: 10vw;
}

.section13 p {
    font-size: 48px;
    color: #000000;
    font-weight: 700;
    text-align: center;
    line-height: 1.6;
}



.section14 {
    background: #111847;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
    justify-content: flex-end;
}

.section14-bgimg-wrap {
    position: absolute;
    left: 0;
    bottom: -10vw;
    width: 100vw;
    height: 40vh;
    z-index: 1;
    overflow: visible;
}

.section14-bgimg {
    width: 100vw;
    height: 40vh;
    transform: scale(1.2) !important;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0;
}

.section14-bgimg2 {
    width: 30vw;
    height: auto;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 40vw;
    bottom: 20vw;
    z-index: 1;
    opacity: 1;
    animation: float 3.5s ease-in-out infinite;
}

.section14-bgimg3 {
    width: 20vw;
    height: auto;
    object-fit: cover;
    position: absolute;
    overflow: visible;
    left: 80vw;
    bottom: 15vw;
    z-index: 1;
    opacity: 1;
    transform: scale(1.1);
    transition: transform 1s ease-in;
    animation: float 3s ease-in-out infinite;
}

.section14-bgimg3:hover {
    animation-play-state: paused;
    transform: scale(1.3) !important;
}

.section14-letters-wrap {
    position: absolute;
    left: 0;
    bottom: 40vh;
    width: 100vw;
    height: 40vh;
    z-index: 3;
    pointer-events: none;
}

.section14-letters {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 40vh;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    z-index: 3;
    pointer-events: auto;
    padding: 0 4vw;
}

.section14-letter {
    width: 10vw;
    min-width: 100px;
    height: auto;
    z-index: 1;
    pointer-events: auto;
    filter: drop-shadow(0 4px 12px #0006);
    opacity: 0;
}

.section14-lines {
    width: 100vw;
    height: 70vh;
    position: absolute;
    left: 0;
    bottom: -5vw;
    z-index: 10;
}






.section15 {
    padding: 30px;
    min-height: 100vh;
    overflow: hidden;
    background: #e6b1c5;
}

.section15-title {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 40px;
    font-size: 38px;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 1px;
}

.projects-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 100px;
}

.project-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.circle {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    background: white;
    border: 4px solid #fff;
    transition: all 0.3s ease;
}

.circle:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
}

.circle img {
    width: 70%;
    height: 70%;
    object-fit: contain;
}

.project-name {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
}






.highlight {
    color: #a9e9e4;
}

.home-blank {
    height: 50px !important;
}

/* 全屏滚动导航点样式 */
.fp-dots {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.fp-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s;
    cursor: pointer;
    border: 2px solid #fff;
}

.fp-dot.active {
    background: #fff;
    box-shadow: 0 0 8px #a9e9e4;
    transform: scale(1.2);
}