.top_img_txt{
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    display: block; /* 避免底部空隙 */
}
.top_img{
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    display: block; /* 避免底部空隙 */
}
.top_img1{
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    display: block; /* 避免底部空隙 */
}
.top_img2{
    width: 100%;
    height: auto;
    position: absolute;
    top: 10vh;
    display: block; /* 避免底部空隙 */
}
@font-face {
    font-family: 'EDI';
    src: url('https://static.igem.wiki/teams/5855/fonts/eras-demi-itc.ttf') format('truetype');
}

p h1{
    font-family: EDI, serif;
}
.mask-top{
    width: 130%;
    height: auto;
    position: relative;
    top: 0;
    display: block; /* 避免底部空隙 */
}
.bg-hero-container{
    position: relative;
    top: -80px;
}
.hero-content{
    display: flex;
    flex-direction: row;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.sz{
    width: 20%;
    height: auto;
}
.tissue{
    width: 20%;
    height: auto;

                <img id="bubble-img1" src="https://static.igem.wiki/teams/5855/home/bubble.webp" alt="bubble" />
                <img id="bubble-img2" src="https://static.igem.wiki/teams/5855/home/bubble.webp" alt="bubble" />
    position: absolute;
    width: 100%;
    text-align: left;
    left: 10%;
    font-size: 3.4rem;
    font-weight: bold;
    color: #0040d6;
    z-index: 99;
    font-family: EDI, serif;
    margin-top: 15%;
}
yellow{
    color: #ec8e26;
}
body, html {
    overflow-x: hidden !important;
    width: 100vw;
    max-width: 100vw;
}
.sect-container {
    position: relative;
    width: 100vw;
    /* 原先固定高度会导致需刷新两次: height:15200px; */
    /* height:15200px; */
    /* overflow: hidden !important; */
    min-height: 1700vh; /* 基础占位，后续 JS 动态写入 height */
    margin: 0 auto;
    overflow: hidden !important;
    max-width: 100vw;
    will-change: height;
}
.sect1-person {
    position: absolute;
    top: 8%;
    left: 8vw;
    width: 100%;
    z-index: 2;
}
.sect1-shadow {
    position: absolute;
    top: 8%;
    left: 11vw;
    width: 90%;
    z-index: 1;
}
.layout-flex {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.page-content {
    flex: 1;
}
.sect1-person-text {
    position: absolute;
    right: 7%;
    top: 9.8%;
    transform: translateY(-50%);
    color: #0040d6;
    font-size: 2.2rem;
    font-family: "EDI", serif;
    font-weight: bold;
    background: rgba(255,255,255,0.7);
    padding: 12px 32px;
    border-radius: 16px;
    z-index: 3;
    text-align: left;
    max-width: 60%;
}

.sect1-earth-container {
    position: absolute;
    left: 50%;
    top: 37%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
}
.sect1-clothes{
    height: 52vh;
    width: auto;
    object-fit: contain;
    z-index: 4;
    margin-top: 60%;
}
.sect1-tr {

    height: 42vh;
    width: auto;
    object-fit: contain;
    z-index: 4;
}
.sect1-earth-cloud-wrap {
    position: relative;
}
.sect1-tr {
    animation: tr-bounce 2.5s linear infinite;
}
.sect1-factory, .sect1-factory2 {
    animation: factory-scale 5s ease-in-out infinite;
}
.sect1-earth-desc {
    position: absolute;
    top: 20%;
    left: 20%;
    transform: translateX(-50%);
    margin: 24px 0 0 0;
    text-align: center;
    font-size: 2.3rem;
    color: #979fa0;
    font-weight: 500;
    max-width: 70vw;
    width: 70vw;
    line-height: 1.7;
    font-family: "EDI", serif;
}

.sect1-factory-stack {
    position: relative;
    top: calc(18% + 50vh);
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 400px;
    max-width: 90vw;
}
.sect1-factory-imgs {
    position: relative;

    width: 100vw;
    height: auto;
}
.sect1-factory {
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: auto;
    object-fit: contain;
    z-index: 1;
}
.sect1-factory2 {
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: auto;
    object-fit: contain;
    z-index: 2;
    opacity: 0.7;
}
.sect1-gnd-factory {
    margin-top: 50%;
    left: -5vw;
    right: -5vw;
    width: 110vw;
    height: auto;
    object-fit: contain;
    z-index: 3;
}
.sect1-base-stack {
    position: relative;
    width: 65vw;
    height: 65vh;
    margin: 0 auto;
    top: 16%;
    overflow: visible;
    z-index: 10;
}
.sect1-clothes {
    position: absolute;
    left: -18vw;
    top: -30vh;
    width: 30vw;
    height: auto;
    object-fit: contain;
    z-index: 11;
    animation: clothes-bounce 2.5s ease-in-out infinite;
}
.sect1-tr {
    position: absolute;
    right: -20vw;
    top: -10vh;
    width: 30vw;
    height: auto;
    object-fit: contain;
    z-index: 11;
    animation: tr-bounce 2.5s ease-in-out infinite;
}
.base-bottom,
.base-top,
.base-ground,
.base-cloud {
    position: absolute;
    left: 0;
    top: 0;
    width: 65vw;
    height: 65vh;
    object-fit: contain;
}
.ground-strip {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 35vw; /* 原为40vw，改为更小的高度 */
    background-image: url('https://static.igem.wiki/teams/5855/home/linear-ground.webp');
    background-repeat: repeat-x;
    background-size: auto 35vw;
    background-position-x: 0;
    z-index: 2;
    pointer-events: none;
}
.cloud-strip {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 35vw; /* 原为40vw，改为更小的高度 */
    background-image: url('https://static.igem.wiki/teams/5855/home/linearcloud.webp');
    background-repeat: repeat-x;
    background-size: auto 35vw;
    background-position-x: 0;
    z-index: 3;
    opacity: 0.7;
    pointer-events: none;
}
.mask-eth-img {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 90%;
    height: 90%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10;
}
.base-scroll-wrap {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 35vw; /* 保持与条带一致 */
    overflow: hidden;
    z-index: 2;
    -webkit-mask-image: url('https://static.igem.wiki/teams/5855/home/mask-eth.webp');
    mask-image: url('https://static.igem.wiki/teams/5855/home/mask-eth.webp');
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
}
/* 临时测试遮罩机制 */
/* .base-scroll-wrap {
    -webkit-mask-image: linear-gradient(white, white);
    mask-image: linear-gradient(white, white);
} */
.ground-mask {
    /* 可根据实际 strip 位置微调遮罩位置 */
    top: 0;
}
.cloud-mask {
    /* 可根据实际 strip 位置微调遮罩位置 */
    top: 0;
}
@keyframes ground-scroll {
    0% { left: 0; }
    100% { left: -600px; }
}
@keyframes ground-scroll2 {
    0% { left: 600px; }
    100% { left: 0; }
}
@keyframes cloud-scroll {
    0% { left: 0; }
    100% { left: -600px; }
}
@keyframes cloud-scroll2 {
    0% { left: 600px; }
    100% { left: 0; }
}
yellow-big {
    color: #fcc30b!important;
    font-size: 3.4rem;

}
large-Grey{
    font-size: 3.6rem;
    color: #979fa0!important;
    font-weight: 900;
    line-height: 1.7;
}
#cl-final-dropped {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    top: 20vh;
    width: 20vw;
    max-width: 600px;
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: top 0.3s, opacity 0.3s;
    display: block;
}
.gnd-factory-desc {
    position: absolute;
    top: 24%;
    left: 50%;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(20px);
    font-family: "EDI", serif;
    transform: translateX(-50%);
    width: 60vw;
    text-align: center;
    line-height: 1.7;
    font-size: 2.6rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.79);
    padding: 24px 30px 16px 30px;
    border-radius: 18px;
    z-index: 10;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
#washing-img {
    display: block;

    width: 80vw;

    height: auto;
}
#bubble-img {
    z-index: 999;
    display: block;
    opacity: 0.6;
    margin: -26%  15% 0 0; /* 与washing-img间距适中 */
    width: 20vw;
    height: auto;
}
#bubble-img1 {
    z-index: 999;
    opacity: 0.9;
    display: block;
    margin-top: -10%;
    margin-left: -20%;
    width: 12vw;
    height: auto;
}
#bubble-img2 {
    z-index: 999;
    display: block;
    margin-top: -40%;
    opacity: 0.6;
    width: 16vw;
    margin-left: 20%;
    height: auto;
}
#wave-canvas {
    display: block;
    margin-top: -200px;
    width: 100vw;
    max-width: 100vw;
    height: 400px;
    background: transparent;
    pointer-events: none;
}
#wave-bg-box {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(180deg, #72b1ec 0%, #d0dfed 100%);
    overflow: hidden;
}
#fish-img, #tort-img {
    position: absolute;
    top: 40vh;
    width: 22vw;
    max-width: 320px;
    min-width: 120px;
    height: auto;

    z-index: 2;
    pointer-events: none;
}
#fish-img {
    left: -40vw;
}
#tort-img {
    right: -40vw;
}

/* 橙色颗粒样式 */
.bubble-particle {
    background: orange;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(255,140,0,0.18);
    opacity: 0.85;
    position: absolute;
    pointer-events: none;
    transition: box-shadow 0.2s;
}
#bubble-particles {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0; /* 初始隐藏，进入视口后再显示 */
    transition: opacity 0.4s ease;
}
.bubble-particles-active { opacity: 1 !important; }
#washing-info-box {
    position: fixed;
    left: 50%;
    top: 80%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.33);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    padding: 32px 48px 32px 24px;
    opacity: 0;
    width:fit-content;
    backdrop-filter: blur(20px);
    pointer-events: none;
    transition: opacity 0.3s;
}
.washing-info-text {
    font-size: 2.3rem;
    color: #333;
    width: 90vw;
    font-family: 'EDI', serif;
    font-weight: 500;
    margin-left: 18px;
    line-height: 1.3;
    text-align: center;
}
.washing-info-num {
    font-size: 3rem;
    font-weight: bold;
    color: #ec8e26;
    transition: font-size 0.3s;
}
.top-txt {
    position: absolute;
    top: 7vw;
    left: 10vw;
    font-size: 4.4rem;
    font-family: 'EDI', serif;
    font-weight: bold;
    z-index: 9;
    color: #002aaf;
    text-align: left;
    line-height: 1.2;
}
.cotton-section {
    position: relative;
    display: flex;
    top: 20.8%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 80px 0 40px 0;
}
.cotton-img {
    width: 20vw;
    max-width: 320px;
    min-width: 120px;
    height: auto;
    display: block;
    margin-bottom: 24px;
}
.cotton-desc {
    font-size: 2.0rem;
    color: #333;
    font-family: "EDI", serif;
    text-align: center;
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.7;
}
.cotton-stack {
    position: relative;
    width: 100vw;
    margin-top: -16%;
    height: auto;
    max-width: 100vw;
    min-width: 180px;
    max-height: 480px;
    min-height: 180px;
}

.cotton-stack img {
    position: absolute;
    transition: left 0.3s, top 0.3s, z-index 0.3s;
}

.cotton-gnd-final {
    left: -10vw;
    top: -220%;
    z-index: 2;
    width: 120vw;
    height: auto;
}

.cotton-man {
    position: relative;
    left: 76%;
    top: 70%;
    z-index: 3;
    width: 20%;
    height: auto;
}

.cotton-stick {
    position: absolute;
    left: 58%;
    margin-top: 19%;
    z-index: 2;
    width: 25%;
    height: auto;
    transform-origin: 100% 0%;
    animation: rotate-stick 1s infinite alternate ease-in-out;
}
@keyframes rotate-stick {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(10deg);
    }
}

/*.cotton-man {*/
/*    left: 76%;*/
/*    top: 70%;*/
/*    z-index: 3;*/
/*    width: 20%;*/
/*    height: auto;*/
/*}*/

/*.cotton-tower {*/
/*    left: 10%;*/
/*    top: -80%;*/
/*    z-index: 1;*/
/*    width: 30%;*/
/*    height: auto;*/
/*    transform: translateX(-50%);*/
/*}*/
.cotton-tower-num {
    position: absolute;
    left: 4%;
    top: -10%;
    z-index: 5;
    font-size: 2.8rem;
    font-family: 'EDI', serif;
    font-weight: bold;
    color: #ffffff;
    background: rgba(255, 255, 255, 0);
    border-radius: 12px;
    padding: 8px 24px;
    box-shadow: 0 2px 12px rgba(33,150,243,0.08);
    pointer-events: none;
    text-align: center;
}
.pollution {
    width: 100%;
    display: flex;
    position: relative;
    top: 25%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 64px 0 32px 0;
}
.pollution-text {
    text-align: center;
    font-size: 2.2rem;
    color: #333;
    font-family: 'EDI', serif;
    font-weight: 500;
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 900px;
}
.pollution-img-wrap {
    position: relative;
    width: 80vw;
    max-width: 1200px;
    margin: -10% auto;
    height: auto;
    display: block;
}
.pollution-img {
    width: 100%;
    height: auto;
    position: relative;
    display: block;
    border-radius: 18px;
    z-index: 2;
}
.pollution-f2f {
    position: absolute;
    left: 50%;
    top: 45%;
    transform: translate(-50%, -50%);
    width: auto;
    height: 30vh;
    pointer-events: none;
    z-index: 1;
}
.pollution-popa1, .pollution-popa2 {
    position: absolute;
    top: 80%;
    width: 48vw;
    height: auto;
    transition: transform 0.7s cubic-bezier(.77,.2,.25,1);
    z-index: 3;
    pointer-events: none;
    will-change: transform;
    /* 只做主位移，不做抖动动画 */
}
.pollution-popa1 {
    left: 0;
    transform: translate(-100%, -50%);
}
.pollution-popa2 {
    right: 0;
    transform: translate(100%, -50%);
}
.pollution-popa1.active {
    transform: translate(0, -50%);
}
.pollution-popa2.active {
    transform: translate(0, -50%);
}
.popa-jitter-inner {
    width: 100%;
    height: auto;
    display: block;
    animation: popa-jitter1 6s infinite linear;
    will-change: transform;
}
.pollution-popa2 .popa-jitter-inner {
    animation: popa-jitter2 6s infinite linear;
}
/* --- popa1/popa2 缓慢无序抖动动画 --- */
@keyframes popa-jitter1 {
    0%   { transform: rotate(0deg) translate(0px, 0px); }
    10%  { transform: rotate(-1deg) translate(2px, 1px); }
    20%  { transform: rotate(1.5deg) translate(-1px, -2px); }
    30%  { transform: rotate(-2deg) translate(3px, 2px); }
    40%  { transform: rotate(1deg) translate(-2px, -1px); }
    50%  { transform: rotate(0.5deg) translate(0px, 0px); }
    60%  { transform: rotate(-1.5deg) translate(1px, -2px); }
    70%  { transform: rotate(2deg) translate(-2px, 2px); }
    80%  { transform: rotate(-0.5deg) translate(2px, -1px); }
    90%  { transform: rotate(1deg) translate(-1px, 1px); }
    100% { transform: rotate(0deg) translate(0px, 0px); }
}
@keyframes popa-jitter2 {
    0%   { transform: rotate(0deg) translate(0px, 0px); }
    10%  { transform: rotate(1deg) translate(-2px, 1px); }
    20%  { transform: rotate(-1.5deg) translate(1px, -2px); }
    30%  { transform: rotate(2deg) translate(-3px, 2px); }
    40%  { transform: rotate(-1deg) translate(2px, -1px); }
    50%  { transform: rotate(-0.5deg) translate(0px, 0px); }
    60%  { transform: rotate(1.5deg) translate(-1px, -2px); }
    70%  { transform: rotate(-2deg) translate(2px, 2px); }
    80%  { transform: rotate(0.5deg) translate(-2px, -1px); }
    90%  { transform: rotate(-1deg) translate(1px, 1px); }
    100% { transform: rotate(0deg) translate(0px, 0px); }
}
/* 菌产纤维素与天然色素说明区块样式 */
.bc-summary-section {
    width: 100vw;
    max-width: 100vw;
    margin: 0 0 48px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    top: 26%;
    z-index: 10;
}
.bc-summary-text {
    font-size: 2.1rem;
    color: #222;
    text-align: center;
    font-family: 'EDI', serif;
    font-weight: 500;
    margin-bottom: 32px;
    max-width: 800px;
}
/* 叠加图片样式调整，全部100vw宽度，高度自适应 */
.bc-summary-imgs {
    position: relative;
    width: 100vw;
    height: auto;
    max-width: 100vw;
    min-height: 40vh;
    margin: 10vh auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bc-summary-img.pp-img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    max-width: 100vw;
    height: auto;
    min-height: 40vh;
    object-fit: contain;

    opacity: 0.95;
}
.bc-summary-img.pp1 { z-index: 4; }
.bc-summary-img.pp2 { z-index: 3; opacity: 0.9; }
.bc-summary-img.pp3 { z-index: 2; opacity: 0.85; }
.bc-summary-img.pp4 { z-index: 1; opacity: 0.8; }
.summary-info-box{
    position: relative;
    width: 70vw;
    margin-top: 6%;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.33);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    padding: 24px 32px;
    font-size: 2.0rem;
    color: #333;
    font-family: 'EDI', serif;
    font-weight: 500;
    text-align: center;
    line-height: 1.6;

}
.summary-info-box-text{

    font-size: 2.0rem;
    color: #333;
    font-family: 'EDI', serif;
    font-weight: 500;
    text-align: center;
    line-height: 1.6;

}

/* 横向logo容器样式 */
.summary-logo-row {
    width: 100vw;
    max-width: 100vw;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 3vw;
    margin: 32px 0 0 0;
}
.summary-logo {
    width: 20vw;
    height: auto;

    object-fit: contain;

    padding: 8px 16px;
    display: block;
}
 .sect-solution{
     position: relative;
     top: 27%;
 }
.solution-0-flex {
    display: block;
    width: 100%;
    max-width:100vw;
    margin: 10% auto;
    padding: 48px 0;
    position: relative;
}
.solution-0-left {
    position: absolute;
    left: 10%;
    top:75%;
    transform: translateY(-50%);
    width: 80%;
    font-size: 2.4rem;
    color: #222;
    font-family: 'EDI', serif;
    font-weight: 600;
    text-align: left;
    padding-right: 2vw;
}
.solution-0-right {
    position: absolute;
    top: 0;
    transform: translateY(-50%);
    width: 40vw;
    display: block;
    overflow: visible;
}
.solution-0-img-stack {
    position: relative;

    min-width: 380px;
    height: auto;
    overflow: visible;
    float: right;
}
.solution-0-img.people-img {
    position: absolute;
    top: -20%;
    margin-left: 54vw;
    width: 50vw;
    height: auto;
    object-fit: contain;
    z-index: 2;
}
.solution-0-img.light-img {
    position: absolute;
    top: 25px;
    left: 57vw;
    width: 120px;
    height: 120px;
    object-fit: contain;
    z-index: 3;
    opacity: 1;
}
.solution-1-flex {
    display: block;
    width: 100%;
    margin: 0 auto;
    padding: 248px 0;
    position: relative;
}
.solution-1-left {
    position: absolute;
    left: 0;
    top: 0;
    transform: translateY(-50%);
    width: 60%;
    display: block;
    overflow: visible;
}
.solution-1-img.people-left-img {
    position: absolute;
    left: -20vw;
    width: 50vw;
    height: auto;
    object-fit: contain;
    display: block;
}
.solution-1-right {
    position: absolute;
    right: 5%;
    top: 25%;

    width: 60%;
    font-size: 2.2rem;
    color: #222;
    font-family: 'EDI', serif;
    font-weight: 500;
    text-align: left;
    padding-left: 2vw;
}
@media (max-width: 900px) {
    .solution-0-flex, .solution-1-flex {
        display: block;
        padding: 24px 0;
        max-width: 100vw;
    }
    .solution-0-left, .solution-1-left {
        position: static;
        width: 100%;
        transform: none;
        text-align: center;
        padding: 0;
    }
    .solution-0-right, .solution-1-right {
        position: static;
        width: 70vw;
        font-size: 2.4rem;
        transform: none;
        color: gray;
        text-align: center;
        padding: 0;
    }
    .solution-0-img-stack, .solution-1-img.people-left-img {
        width: 220px;
        height: 220px;
        min-width: 0;
    }
    .solution-0-img.people-img, .solution-1-img.people-left-img {
        width: 220px;
        height: 220px;
    }
    .solution-0-img.light-img {
        top: -20px;
        left: 10px;
        width: 70px;
        height: 70px;
    }
}
.bottle-change{
    position: absolute;
    margin-top: 0;
}
.bottle-img-stack {
  position: relative;
  width: 100vw;
    left: 10vw;
  height: auto;
  margin: 0 auto;
}
.bottle-img {
  position: absolute;
  top: 0;
  left: 0;

  object-fit: contain;
  transition: left 0.3s, top 0.3s, z-index 0.3s;
}
.bottle-bottom { z-index: 1;
  width: 120vw;
  height: auto;
    left: -15vw;
    top: -40vh;
}
.bottle-bact { z-index: 2;
  width: 60vw;
    left: 20vw;
    margin-top: -3%;
  height: auto;}
.bottle-fiber {
  z-index: 3;
  width: 45vw;
  left: 26vw;
  height: auto;
  opacity: 0;
  transition: opacity 0.8s, filter 1.2s;
  filter: none;
}
.bottle-fiber.show {
  opacity: 1;
  filter: none;
}
.bottle-fiber.blue {
  filter: hue-rotate(180deg) saturate(2);
}

.mount-mach-stack {
  position: absolute;
  width: 100vw;
  height: auto;
  margin: 20% 10vw 0 auto;
}
.mount-img {
  position: absolute;
  top: 10vh;
  left: 40vw;
  width: 60vw;
  height: auto;
  object-fit: contain;
  z-index: 4;
}
.mach-img {
  position: absolute;
  top: 10vh;
  left: 3vw;
  width: 40vw;
  height: auto;
  object-fit: contain;
  z-index: 2;
}
.bttr-btcl-row {
    display: flex;
    position: relative;
    margin-top:76%;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 108px;
    width: 100vw;
}
.bttr-img, .btcl-img {
  width: 20vw;
  height: auto;
  object-fit: contain;
  display: block;
}
.mount-mach-desc {
  position: absolute;
  right: 10%;
    margin-top: 10%;
  top: 0;
  width: 40vw;
  font-size: 1.6rem;
  color: #222;
  font-family: 'EDI', serif;
  font-weight: 500;

  padding: 18px 24px;
    z-index: 10;
  text-align: left;
}
@media (max-width: 900px) {
  .mount-mach-desc {
    right: 0;
    left: 0;
    top: 60%;
    width: 90vw;
    font-size: 1.1rem;
    padding: 10px 8px;
    text-align: center;
  }
}
.final-text {
  position: relative;
  width: fit-content;
  font-size: 2.6rem;
  color: #222;
  margin: 24px auto 0 auto;
  font-family: 'EDI', serif;
  font-weight: 500;
  padding: 18px 24px;
  z-index: 10;
  text-align: center;
  display: block;
}
grey-large {
    font-size: 2.5rem;
    color: #666c6c;
    font-weight: 900;
    line-height: 1.7;
}
grey-small {
    font-size: 1.8rem;
    color: #727878;
    font-weight: 900;
    line-height: 1.7;
}
yellow-large {
  color: #eb8f26;
  font-size: 2.4rem;
  font-family: 'EDI', serif;
  font-weight: bold;
}
.pp-img.pp1, .pp-img.pp2, .pp-img.pp3 {
    opacity: 0;
    transition: opacity 0.6s;
}
.pp-img.pp1.show, .pp-img.pp2.show, .pp-img.pp3.show {
    opacity: 1;
}
.final-box {
    width: 100vw;
    margin-top: -20%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    top: -8vw; /* 让finalbox向上叠加在banner上，可根据实际调整 */
    z-index: 10;
}
.finalbox-banner {
    position: relative;
    width: 100vw;
    height: auto;
    z-index: 1;
}
.finalbox-row {
    position: absolute;
    left: 0;
    top: 120vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1vw;
    margin: 0;
    z-index: 2;
    pointer-events: auto;
}
.finalbox-link {
    display: block;
    transition: transform 0.2s;
}
.finalbox-link:hover {
    transform: scale(1.08);
}
.finalbox-img {
    width: 19vw;
    max-width: 380px!important;
    min-width: 80px;
    height: auto;
}
.finalbox-tip {
    width: 100vw;
    position: absolute;
    text-align: center;
    font-size: 2.1rem;
    color: #0040d6;
    font-family: 'EDI', serif;
    font-weight: bold;
    margin: -8vh 0 0 0;
    letter-spacing: 1px;
    z-index:9999;
}
/*.golden-flash {*/
/*  animation: goldenFlash 1.2s linear 0s 2;*/
/*  background: linear-gradient(90deg, #ffe066 0%, #ffd700 50%, #fffbe6 100%);*/
/*  background-clip: text;*/
/*  -webkit-background-clip: text;*/
/*  color: transparent;*/
/*  -webkit-text-fill-color: transparent;*/
/*  filter: drop-shadow(0 0 6px #ffd700);*/
/*}*/
/*@keyframes goldenFlash {*/
/*  0% { filter: drop-shadow(0 0 0px #ffd700); }*/
/*  30% { filter: drop-shadow(0 0 12px #ffd700); }*/
/*  60% { filter: drop-shadow(0 0 24px #ffd700); }*/
/*  100% { filter: drop-shadow(0 0 0px #ffd700); }*/
/*}*/
/*.golden-fade {*/
/*  background: none;*/
/*  color: #000000;*/
/*}*/

.golden-final {
  color: #ffd700 !important;
  background: none !important;
  filter: none !important;
}
.mount-fobbid{
    position: absolute;
    width: 40vw;
    z-index: 100;
    top: 100px;
    opacity: 0.2;
}
.mach-fobbid{
    position: absolute;
    width: 40vw;
      z-index: 102;
    top: 250px;

    left:54vw;
     opacity: 0.2;
}
.mount-fobbid, .mach-fobbid {
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 0.3s, transform 0.3s;
    will-change: opacity, transform;
}
.fobbid-animate {
    animation: fobbid-pop-in 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes fobbid-pop-in {
    0% {
        opacity: 0;
        transform: scale(0.7);
    }
    40% {
        opacity: 0.12;
        transform: scale(1.2);
    }
    70% {
        opacity: 0.18;
        transform: scale(0.95);
    }
    100% {
        opacity: 0.2;
        transform: scale(1);
    }
}
.animate-char {
  display: inline-block;
  transition: transform 0.2s;
  white-space: pre;
}
.animate-char.space {
  width: 0.5em;
  display: inline-block;
}
.bounce {
  animation: char-bounce 0.5s cubic-bezier(.68,-0.55,.27,1.55);
}
@keyframes char-bounce {
  0%   { transform: translateY(0);}
  30%  { transform: translateY(-18px);}
  60%  { transform: translateY(0);}
  100% { transform: translateY(0);}
}

/* 基础响应式设置 */
html {
    font-size: 16px; /* 基础字体大小 */
}

/* 响应式字体大小 */
@media (max-width: 1920px) {
    html { font-size: 16px; }
}
@media (max-width: 1440px) {
    html { font-size: 14px; }
}
@media (max-width: 1024px) {
    html { font-size: 12px; }
}
@media (max-width: 768px) {
    html { font-size: 10px; }
}
@media (max-width: 480px) {
    html { font-size: 8px; }
}

/* 移动设备优化 */
@media (max-width: 768px) {
    .sect1-person-text {
        right: 5%;
        top: 15%;
        font-size: 1.8rem;
        max-width: 80%;
        padding: 8px 16px;
    }

    .sect1-person {
        top: 12%;
        left: 5vw;
        width: 90%;
    }

    .sect1-shadow {
        top: 12%;
        width: 85%;
    }

    .sect1-earth-desc {
        top: 25%;
        left: 50%;
        transform: translateX(-50%);
        font-size: 1.6rem;
        max-width: 90vw;
        width: 90vw;
    }

    .sect1-base-stack {
        width: 90vw;
        height: 50vh;
        top: 20%;
    }

    .sect1-clothes {
        left: -10vw;
        top: -20vh;
        width: 25vw;
    }

    .sect1-tr {
        right: -10vw;
        top: -5vh;
        width: 25vw;
    }

    .gnd-factory-desc {
        width: 85vw;
        font-size: 1.8rem;
        padding: 16px 20px 12px 20px;
    }

    #washing-img {
        width: 95vw;
    }

    #bubble-img {
        width: 25vw;
        margin: -20% 10% 0 0;
    }

    #bubble-img1 {
        width: 15vw;
        margin-top: -8%;
        margin-left: -15%;
    }
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .sect1-person-text {
        right: 6%;
        top: 12%;
        font-size: 2.0rem;
        max-width: 70%;
    }

    .sect1-earth-desc {
        font-size: 2.0rem;
        max-width: 80vw;
        width: 80vw;
    }

    .sect1-base-stack {
        width: 75vw;
        height: 60vh;
    }

    .sect1-clothes {
        left: -15vw;
        top: -25vh;
        width: 28vw;
    }

    .sect1-tr {
        right: -15vw;
        top: -8vh;
        width: 28vw;
    }

    .gnd-factory-desc {
        width: 75vw;
        font-size: 2.2rem;
    }

    #washing-img {
        width: 85vw;
    }
}

/* 大屏幕优化 */
@media (min-width: 1920px) {
    .sect1-person-text {
        font-size: 2.8rem;
    }

    .sect1-earth-desc {
        font-size: 2.8rem;
    }

    .gnd-factory-desc {
        font-size: 3.0rem;
    }

    yellow-big {
        font-size: 4.0rem;
    }

    large-Grey {
        font-size: 4.2rem;
    }
}
.tt1-scale{
    animation: breathe 6s ease-in-out infinite;
}

/* tt2 晃动动画 */
.tt2-shake {
    animation: shake-animation 12s ease-in-out infinite;
}
.tt3-scale{
    animation: breathe-small 6s ease-in-out infinite;
}
@keyframes breathe{
    0%, 100% {
        transform: scale(1.15);
    }
    50% {
        transform: scale(1);
    }
}
@keyframes breathe-small {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);}
}
@keyframes shake-animation {
    0%, 100% {
        transform: translateX(0) translateY(0) rotate(0deg);
    }
    10% {
        transform: translateX(-14px) translateY(-15px) rotate(-0.5deg);
    }
    30% {
        transform: translateX(13px) translateY(14px) rotate(0.5deg);
    }
    50% {
        transform: translateX(-15px) translateY(13px) rotate(-0.3deg);
    }
    70% {
        transform: translateX(11px) translateY(-12px) rotate(0.3deg);
    }
    90% {
        transform: translateX(-12px) translateY(10px) rotate(-0.2deg);
    }
    /*60% {*/
    /*    transform: translateX(12px) translateY(-11px) rotate(0.2deg);*/
    /*}*/
    /*70% {*/
    /*    transform: translateX(-11px) translateY(11px) rotate(-0.4deg);*/
    /*}*/
    /*80% {*/
    /*    transform: translateX(11px) translateY(-11px) rotate(0.4deg);*/
    /*}*/
    /*90% {*/
    /*    transform: translateX(-11px) translateY(10px) rotate(-0.1deg);*/
    /*}*/
}
