/* ============ 视口自适配变量（仅 vw / vh / vmin / vmax） ============ */
:root {
    --fs-xxl: 6.2vmin;
    --fs-xl: 4.6vmin;
    --fs-l: 3.4vmin;
    --fs-m: 2.4vmin;
    --fs-s: 1.9vmin;
    --fs-xs: 1.5vmin;
    --radius-l: 3.5vw;
    --radius-m: 1.2vw;
    --gap-xs: 1vw;
    --gap-s: 1.6vw;
    --gap-m: 2.4vw;
    --gap-l: 4vw;
    --pad-xs: 1vh 1vw;
    --pad-s: 2vh 2vw;
    --pad-m: 4vh 4vw;
    --pad-l: 6vh 6vw;
    --shadow-soft: 0 .6vh 2vh rgba(0, 0, 0, .15);
    --transition: .4s ease;
}

/* 全站底色，防止加载或留白时出现黑框 */
html, body {
  background-color: #d2def2;
  min-height: 100%;
}

/* 防止视频/iframe Letterbox 显示黑边，统一底色 */
.hero-video-wrapper,
.hero-video {
  background-color: #d2def2;
}

/* ============ Hero Section ============ */
.hero {
    height: 100vh;
    min-height: 77.8vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    text-align: center;
}

.hero-content {
    max-width: 83.4vw;
    z-index: 2;
    padding-top: 3.3vh;
}

.hero p {
    font-size: 2.1vmin;
    max-width: 55.6vw;
    margin: 0 auto 4.4vh;
    opacity: .9;
    font-weight: 300;
}

.hero-btns {
    display: flex;
    gap: 1.4vw;
    justify-content: center;
    margin-top: 3.3vh;
    flex-wrap: wrap;
}

.btn {
    padding: 1.6vh 2.2vw;
    border-radius: 3.5vw;
    font-size: 1.9vmin;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 .28vw 1.05vw rgba(65, 142, 184, 0.6);
}

.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-.4vh);
    box-shadow: 0 .56vw 1.8vw rgba(65, 142, 184, 0.6);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: .14vw solid var(--white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-.4vh);
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ============ 通用 Section ============ */
.section {
    position: relative;
    overflow: hidden;
    background-color: #D2DDF1;
    height: 100vh;
    width: 100vw;
    padding: 0;
}

.section-title {
    position: relative;
    z-index: 2;
    margin-bottom: 8.9vh;
}

.section-title h2 {
    font-size: 3.1vw;
    color: var(--primary);
    margin-bottom: 1.7vh;
    font-weight: 700;
}

.section-title p {
    font-size: 2vmin;
    max-width: 48.6vw;
    margin: 0 auto;
    color: var(--secondary);
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -2.2vh;
    left: 50%;
    transform: translateX(-50%);
    width: 5.6vw;
    height: .28vh;
    background: var(--accent);
    border-radius: .14vw;
}



/* ============ PROBLEMS 绝对定位块 ============ */
.problems-father {
    display: flex;
}

#problems {
    position: relative;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#problems>div {
    position: absolute;
    opacity: 0;
    transform: translateY(1.1vw);
    transition: opacity var(--pb-fade-dur, .7s) ease, transform var(--pb-fade-dur, .7s) ease;
}

#problems>div.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.problems-problems {
    opacity: 1 !important;
}

.problem:empty::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
}

.problems-car {
    height: 18vw;
    width: 28vw;
    left: 10vw;
    top: 2.5vw;
}

.problems-girl {
    height: 27vw;
    width: 24vw;
    left: 5vw;
    top: 25vw;
}

.problems-microscope {
    height: 22.5vw;
    width: 33vw;
    left: 60vw;
    top: 12vw;
}

.problems-door {
    top: 10vw;
    left: 37vw;
}

.problems-problems {
    top: 5vw;
    left: 57vw;
    z-index: 2;
}

.problems-skin {
    top: 43vw;
    left: 30vw;
}

.problems-protein {
    top: 36vw;
    left: 59vw;
    text-align: center;
    height: 12vw;
    width: 30vw;

}

.problems-mainText {
    top: 20vw;
    left: 11vw;
    z-index: 2;
    text-align: center;
    height: 7vw;
    width: 50vw;
}

/* ============ Team Section ============ */
.team {
    display: flex;
}

.team-text {
    background: rgba(179, 237, 241, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    border-radius: 1.2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    align-items: center;
    padding-left: 3vw;
    /* 增大左右内边距 */
    padding-right: 3vw;
}

.team-text h2,
.team-text p {
    max-width: 32vw;
    /* 收窄文字宽度 */
    margin-left: auto;
    margin-right: auto;
}

.team-text-container {
    position: absolute;
    z-index: 1;
    display: flex;
    width: 40vw;
    height: 31vw;
    overflow: hidden;
    left: 50vw;
    top: 10vw;
}




/* ============ Process 渐入 ============ */
.process {
    display: flex;
    background-color: var(--light);
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2.1vw;
    max-width: 83.4vw;
    margin: 0 auto;
    padding: 0 4vw;
}

#process {
    position: relative;
    overflow: hidden;
}

#process .process-bg,
#process .process-text {
    opacity: 0;
    transform: translateY(2.2vh);
    transition: opacity var(--pc-fade-dur, .7s) ease, transform var(--pc-fade-dur, .7s) ease;
}

#process .fade-in {
    opacity: 1;
    transform: translateY(0);
}

.process-text {
    flex: 1;
    align-content: center;
    justify-content: center;
    text-align: center;
    display: flex;
    margin-top: 3vw;
}

.process-text>h2 {
    font-family: Georgia, "Times New Roman", serif !important;

}

.animate-process {
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    font-size: 7vw;
    align-content: center;
    justify-content: center;

}

.step {
    background: var(--white);
    border-radius: 1.1vw;
    padding: 3.3vh 2.2vw;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    flex: 1;
    min-width: 17.4vw;
    max-width: 24.3vw;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.step::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: .35vw;
    height: 0;
    background: var(--accent);
    transition: height .4s ease;
    z-index: -1;
}

.step:hover::before {
    height: 100%;
}

.step-number {
    width: 4.2vw;
    height: 4.2vw;
    background: rgba(65, 184, 131, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2.2vh;
    color: var(--accent);
    font-size: 2.5vmin;
    font-weight: 700;
    transition: var(--transition);
}

.step:hover .step-number {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.step h3 {
    font-size: 2.4vmin;
    color: var(--primary);
    margin-bottom: 1.7vh;
    transition: var(--transition);
}

.step p {
    color: var(--text-light);
    transition: var(--transition);
    font-size: 2vmin;
    line-height: 1.5;
}

.step:hover h3,
.step:hover p {
    color: var(--white);
}

/* ============ 视频容器 ============ */
.hero-video-wrapper {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    border: 0;
    pointer-events: none;
    backface-visibility: hidden;
    will-change: transform;
    image-rendering: auto;
    transform: scale(1.14);
}



/* ============ Scroll Snap ============ */
body {
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

.content-container {
    scroll-snap-align: start;
    scroll-snap-stop: always;
    overflow: hidden;
}

/* ============ 右侧导航点 ============ */
.nav-controls {
    position: fixed;
    right: 2.1vw;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: .7vw;
    z-index: 100;
}

.nav-dot {
    width: .83vw;
    height: .83vw;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: all .3s ease;
}

.nav-dot.active {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.2);
}

.nav-dot:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* ============ 横向 translateX 容器 ============ */
.translateX-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    flex: 0 0 100vw;
}

.translateX-group-container {
    height: 100vh;
    width: 300vw;
    position: relative;
    display: flex;
    overflow: hidden;
}

/* ============ Antifreeze Section ============ */
.antifreeze-section {
    background-color: #d2ddf1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex: 1;
}

.antifreeze-title {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 4vw;
    font-weight: 700;
    color: #1a3a5f;
    text-align: center;
    margin: 2.5vw 0 1vw 0;
    max-width: 100vw;
    line-height: 1.3;
    text-shadow: 0.18vw 0.18vw 0.32vw rgba(0, 0, 0, 0.4);
}

.antifreeze-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    gap: 0;
    max-width: 83.4vw;
    margin: 0 auto;
}

.antifreeze-top,
.trehalose-content {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    width: 100%;


}

.antifreeze-top {
    gap: 0;
}

.trehalose-content {
    gap: 3.5vw;
    margin-left: 8vw;
    /* 向右移动4vw，可根据实际效果调整 */
    margin-top: -6vw;
    /* 缩小trehalose与上方的距离 */
}

.trehalose-text {
    text-align: right;
    margin-top: 2.5vw;
}

.trehalose-text h3,
.trehalose-text ul,
.trehalose-text li {
    text-align: right;

}

.protein-img {
    width: 40%;
    max-width: 27.8vw;
    height: auto;
}

.trehalose-img {
    width: 60%;
    max-width: 17.4vw;
    height: auto;
    margin-top: 3vw;
}

.antifreeze-info {
    width: 50%;
    margin-top: 3vw;

}

.antifreeze-info h3 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.5vw;
    font-weight: 600;
    color: #1a3a5f;
}

.antifreeze-info ul,
.trehalose-text ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.antifreeze-info li,
.trehalose-text li {
    font-family: 'Helvetica Neue Light', 'Helvetica Neue', Arial, sans-serif !important;
    font-size: 1.4vw;
    color: #1a3a5f;
    line-height: 1.3;
}


.antifreeze-section.antifreeze-large .antifreeze-title {
    font-size: 4.9vmin;
    max-width: 62.5vw;
}

.antifreeze-section.antifreeze-large .antifreeze-info h3 {
    font-size: 3.6vmin;
}

.antifreeze-section.antifreeze-large .antifreeze-info li,
.antifreeze-section.antifreeze-large .trehalose-text li {
    font-size: 3.1vmin;
}

.antifreeze-section.antifreeze-large .protein-img,
.antifreeze-section.antifreeze-large .trehalose-img {
    width: 48%;
    max-width: 36.1vw;
}

.antifreeze-section.antifreeze-large .antifreeze-info {
    width: 52%;
}

#car .antifreeze-title,
#car .antifreeze-top .protein-img,
#car .antifreeze-bottom .trehalose-img,
#car .antifreeze-top .antifreeze-info,
#car .antifreeze-bottom .antifreeze-info {
    opacity: 0;
    transform: translateY(2.2vh);
    transition: opacity var(--af-fade-dur, .7s) ease, transform var(--af-fade-dur, .7s) ease;
}

#car .fade-in {
    opacity: 1 !important;
    transform: none;
}

/* ============ BACKGROUND Intro 文案 ============ */
.background-intro {
    font-family: var(--problem-font, Georgia, "Times New Roman", serif) !important;
    font-size: 3vmin !important;
    line-height: 1.35 !important;
    font-weight: 400 !important;
    color: var(--problem-color, #000) !important;
    text-align: justify !important;
    /* 两端对齐 */
    margin: 0 0 0 1vw !important;
    /* 左侧留6vw空隙，整体右移 */
    max-width: 90vw !important;
    width: 90vw !important;
    letter-spacing: 0 !important;
    word-spacing: .15em !important;
}

/* ============ 自定义下边框渐隐 ============ */
.gradient-border::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1.1vh;
    pointer-events: none;
    background: linear-gradient(to right,
            rgb(var(--color, 8 40 78)/0) 0%,
            rgb(var(--color, 8 40 78)/1) var(--start, 66.667%),
            rgb(var(--color, 8 40 78)/1) 100%);
    clip-path: polygon(0 100%, var(--start, 50%) 0, 100% 0, 100% 100%);
    transform: translateZ(0) scaleY(.5);
    transform-origin: bottom;
}

/* 主页主要标题字体统一 */
.section-title h2,
.section.car h2,
.section.girl h2 {
    font-family: Georgia, "Times New Roman", serif !important;
}


/* =============================================Carousel ==================================== */
#Carousel {
    display: flex;
}

.Compatibility {
    width: 100vw;
    height: 100vh;
    /* 修改为100vh，和视频容器一致 */
    overflow: hidden;
    position: relative;
    justify-self: center;
    align-self: center;
    display: flex;
}

.circle {
    position: absolute;
    height: 50vw;
    width: 50vw;
    top: 0;
    left: 83.33vw;
    z-index: 5;
    pointer-events: none;
    will-change: transform;
    align-content: center;
    justify-content: center;
}

.circle-img {
    height: 50vw;
    width: 50vw;
    flex: 1;
}

.dry {
    position: absolute;
    top: 0;
    left: -0.5vw;
    z-index: 3;
    height: 50vw;
    width: 100vw;
    align-content: center;
    justify-content: center;
    transform: translateY(-1vw);
}

.dry {
    opacity: 1;
    visibility: visible;
}


.wet {
    position: absolute;
    top: 0;
    left: 0vw;
    z-index: 3;
    /* 保证浮在最上层 */
    width: 100vw;
    height: 95vh;
    /* 让容器高度为整个视口高度 */
    pointer-events: none;
}

.hp {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    /* 建议与 .wet 一致，确保浮在最上层 */
    width: 100vw;
    height: 100vh;
    /* 让容器高度为整个视口高度 */
    pointer-events: none;
    background-color: #d2ddf1;
}

.Cooperation {
    /* 原: position:absolute; bottom:7vw; width:75vw; left:12.5vw; */
    position: absolute;
    bottom: 12vw;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    /* 跟随父容器宽度 */
    max-width: inherit;
    display: flex;
    justify-content: space-between;
    gap: 2vw;
}

/* Carousel 动画样式 */
.circle,
.dry,
.wet,
.hp,
.cooperation-container {
    transition: all 700ms ease;
}

.wet,
.hp,
.cooperation-container {
    opacity: 0;
    visibility: hidden;
}


.cooperation-container {
    height: 100%;
}


.cooperation-container {
    /* 原: position:absolute; left:12.5vw; width:75vw; */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: min(75vw, 1200px);
    /* 大屏限制最大宽度，常规保持 75vw */
    max-width: 90vw;
    /* 极窄屏时不贴边 */
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* 内容水平居中 */
    box-sizing: border-box;
}

.cooperation1 {
    width: calc(100% / 3);
    height: auto;
    overflow: hidden;
    display: flex;

}

.cooperation2 {
    width: calc(100% / 3);
    height: auto;
    overflow: hidden;
    display: flex;
}

.cooperation3 {
    width: calc(100% / 3);
    height: auto;
    overflow: hidden;
    display: flex;
}

/* 保证图片自适应并居中显示 */
.cooperation1 img,
.cooperation2 img,
.cooperation3 img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    transform: none;
    /* 取消 -3vw */
}


.cooperation-union {
     position: absolute;
  left: 49% !important;
  top: 26.5% !important;
  transform: translate(-50%, -50%) !important;
  width: 70% !important;            /* 占圆直径的比例，自动换行 */
  text-align: center !important;
  margin: 0 !important;
  pointer-events: none;              /* 不挡住轮子的交互 */
}

/* 自适应字号与可读性 */
.cooperation-union h2{
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 3.4vmin, 42px);  /* 跟随视口缩放 */
  line-height: 1.2;
  color: #1a3a5f;
  text-shadow: 0 0.14vw 0.28vw rgba(0,0,0,.25);
}




.log-container {
    width: 70vw;
    height: 46vw;
    position: absolute;
    bottom: 0;
    left: 13vw;
    align-content: start;
    justify-content: start;
}

/* ========== 窄屏/竖屏优化（与现有 phone 规则配合） ========== */
@media (max-aspect-ratio: 1/1) {
    .cooperation-container {
        width: min(90vw, 1200px);
        /* 手机上略收窄 */
        left: 50%;
        transform: translateX(-50%);
    }

    .phone-cooperation {
        height: 50vw;
        width: 100vw;
        display: flex;
        background-color: #d2ddf1;
    }

    .phone-cooperation>.Cooperation {
        /* 原: top/left 绝对像素，改为水平居中 */
        position: absolute;
        top: 12.5vw;
        left: 50%;
        transform: translateX(-50%);
        width: 90vw;
        gap: 2.5vw;
    }

    .cooperation-desc-footer {
        bottom: 3vw;
        /* 手机上略增下边距 */
        width: 90vw;
    }
}

/* =============================================Carousel ==================================== */


/* ==========================================about======================== */
#about {
    display: flex;
}

.skiing-background {
    width: auto;
    height: 100%;
    z-index: 1;
    position: absolute;
    top: 4vw;
    left: 0;
    overflow: hidden;
    transform: translateY(-8%);
}

.skiing-background img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 确保基础样式也有足够特异性 */
section#about .skiing-man {
    width: 23vw;
    height: 23vw;
    z-index: 5;
    position: absolute;
    left: -5vw;
    top: 27vw;
    overflow: visible;
    animation: none;
    opacity: 0;
    transform: translate(0, 0);
    transition: opacity 0.3s ease;
}

/* 平滑的动画关键帧 */
@keyframes moveAlongCurve {
    0% {
        transform: translate(0, 0);
        opacity: 1;
    }

    100% {
        transform: translate(45.57vw, 9.65vw);
        opacity: 1;
    }
}

/* 滑雪动画相关CSS */
/* 增强选择器特异性，确保不会被覆盖 */
section#about .skiing-man.animating {
    animation: moveAlongCurve 5s cubic-bezier(0.4, 0.0, 0.2, 1) forwards !important;
}

/* 雪花溅起效果 - 深色版本 */
.snow-splash {
    position: absolute;
    width: 8vw;
    height: 8vw;
    bottom: -2vw;
    left: 2vw;
    pointer-events: none;
    z-index: 6;
    opacity: 0;
}

.snow-particle {
    position: absolute;
    width: 0.8vw;
    height: 0.8vw;
    background: rgba(180, 200, 255, 0.9);
    /* 更深的蓝色调 */
    border-radius: 50%;
    filter: blur(0.1vw);
    opacity: 0;
    box-shadow:
        0 0 0.3vw rgba(120, 160, 255, 0.8),
        /* 更强的内阴影 */
        0 0 0.5vw rgba(100, 140, 255, 0.6);
    /* 外发光效果 */
}

/* 雪花动画关键帧 */
@keyframes snowSplash1 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }

    20% {
        transform: translate(-1vw, -2vw) scale(1);
        opacity: 1;
    }

    /* 提高不透明度 */
    40% {
        transform: translate(-2vw, -4vw) scale(0.8);
        opacity: 0.8;
    }

    60% {
        transform: translate(-3vw, -6vw) scale(0.6);
        opacity: 0.6;
    }

    80% {
        transform: translate(-4vw, -8vw) scale(0.4);
        opacity: 0.4;
    }

    100% {
        transform: translate(-5vw, -10vw) scale(0);
        opacity: 0;
    }
}

@keyframes snowSplash2 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }

    20% {
        transform: translate(0.5vw, -3vw) scale(1);
        opacity: 0.9;
    }

    /* 提高不透明度 */
    40% {
        transform: translate(1vw, -6vw) scale(0.8);
        opacity: 0.7;
    }

    60% {
        transform: translate(1.5vw, -9vw) scale(0.6);
        opacity: 0.5;
    }

    80% {
        transform: translate(2vw, -12vw) scale(0.4);
        opacity: 0.3;
    }

    100% {
        transform: translate(2.5vw, -15vw) scale(0);
        opacity: 0;
    }
}

@keyframes snowSplash3 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }

    20% {
        transform: translate(-0.8vw, -1.5vw) scale(1);
        opacity: 1;
    }

    /* 提高不透明度 */
    40% {
        transform: translate(-1.6vw, -3vw) scale(0.8);
        opacity: 0.8;
    }

    60% {
        transform: translate(-2.4vw, -4.5vw) scale(0.6);
        opacity: 0.6;
    }

    80% {
        transform: translate(-3.2vw, -6vw) scale(0.4);
        opacity: 0.4;
    }

    100% {
        transform: translate(-4vw, -7.5vw) scale(0);
        opacity: 0;
    }
}

/* 为不同粒子应用不同的动画 */
.snow-particle:nth-child(1) {
    animation: snowSplash1 0.8s ease-out infinite;
}

.snow-particle:nth-child(2) {
    animation: snowSplash2 1s ease-out infinite;
    animation-delay: 0.1s;
}

.snow-particle:nth-child(3) {
    animation: snowSplash3 0.9s ease-out infinite;
    animation-delay: 0.2s;
}

.snow-particle:nth-child(4) {
    animation: snowSplash1 1.1s ease-out infinite;
    animation-delay: 0.3s;
}

.snow-particle:nth-child(5) {
    animation: snowSplash2 0.7s ease-out infinite;
    animation-delay: 0.4s;
}

/* 激活雪花效果 */
.skiing-man.animating .snow-splash {
    opacity: 1;
}

/* ==========================================about======================== */

/* ===============================适配手机======================================== */

.phone-wet-hp-cooperation {
    width: 100vw;
    height: 0;
    display: flex;
    flex-direction: column;
}

@media (max-aspect-ratio: 1/1) {
    .Compatibility {
        height: 50vw;
    }

    #problems {
        height: 50vw;
    }

    .wet {
        height: 50vw;
    }

    .hp {
        height: 50vw;
    }

    .section {
        height: 50vw;
    }

    .hero {
        height: 50vw;
        min-height: 50vw;
    }

    #problems>div {
        opacity: 1;
    }

    .translateX-group-container {
        height: 150vw;
        width: 100vw;
        display: flex;
        flex-direction: column;
    }

    .translateX-container {
        width: 100vw;
        height: 50vw;
        flex: auto;
    }

    #process .process-bg {
        opacity: 1;
    }

    #process .process-text {
        opacity: 1;
    }

    #Carousel .circle {
        opacity: 1;
    }

    #Carousel .dry {
        opacity: 1;
    }

    .phone-wet-hp-cooperation {
        height: 150vw;
    }

    .phone-wet>.wet {
        opacity: 1 !important;
        visibility: visible;
    }

    .phone-hp>.hp {
        opacity: 1 !important;
        visibility: visible;
        background-color: #d2ddf1;
    }

    .phone-cooperation>.Cooperation {
        opacity: 1 !important;
        visibility: visible;
    }

    .phone-cooperation {
        height: 50vw;
        width: 100vw;
        display: flex;
        background-color: #d2ddf1;
    }

    .Cooperation {
        position: absolute;
        top: 12.5vw;
        left: 12.5vw;
        margin: 0;
    }
}

/* ===============================适配手机======================================== */
/* ==========================about========================== */
.about-content {
    position: absolute;
    z-index: 5;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: 100vw;
    height: 20vw;
    top: 10vw;
    left: 55vw;
}

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;


}

.about-text h3 {
    font-size: 1.4vw;
    color: var(--primary);
    margin-bottom: 1.4vw;
}

.about-text p {
    font-size: 1vw;
    line-height: 1.8;
    margin-bottom: 1.4vw;
    color: var(--dark);
    text-align: justify !important;

}

.about-text,
.about-text h3,
.about-text p,
.about-text a {
    font-family: Georgia, "Times New Roman", serif;
}

.about-image {
    flex: 1;
    width: 100%;
    position: relative;
    z-index: 1;
}

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

/* ==========================about========================== */

/* ===============================future======================== */

.future {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.future-title {
    color: #1a3a5f;
    font-size: 5vw;
    text-align: center;
    font-family: Georgia, serif;
    font-weight: bold;
    margin: 0;
    line-height: 1.15;
    z-index: 2;
    position: relative;
    text-shadow: 0.2vw 0.2vw 0.4vw rgba(0, 0, 0, 0.4);

}

.future-keywords {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: row;
    gap: 2.5vw;
    margin-top: 3vh;
    letter-spacing: .05rem;
    justify-content: center;
    align-items: center;
    height: 30vw;
}

/* ===============================future======================== */

/* ===================================explore============================ */
.explore {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 6vw;
    /* 新增：整体往下移动，可根据需要调整数值 */
}

.explore-keywords {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: row;
    gap: 3vw;
    margin-top: 0vw;
    letter-spacing: .05rem;
    justify-content: center;
    align-items: flex-start;
    height: 35vw;
    overflow: hidden;
    transform: scale(0.6);
    /* 新增：整体缩小 */
    transform-origin: center;
    /* 新增：以中心为缩放基准 */
}

.problems .section-title::after {
    display: none !important;
    content: none !important;
}


.background-intro {
    width: 60vw !important;
    /* 收窄宽度 */
    max-width: 60vw !important;
    margin-left: 3vw !important;
    /* 向右移动，数值可根据实际效果调整 */
    margin-right: 0 !important;
    display: block;
    text-align: justify !important;
}

/* 让说明文字绝对定位在合作区底部 */
.cooperation-desc-footer {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 6vw;
    /* 原 2vw，上移 */
    width: min(90vw, 1200px);
    margin: 0;
    text-align: center;
    /* 文本居中 */
    font-size: clamp(22px, 3vw, 33px);
    /* 放大并自适配 */
    line-height: 1.4;
    font-weight: 500;
    color: #1a3a5f;
    z-index: 4;
    /* 避免被图片遮挡 */
}


/* 未来区箭头上移 */
.future-arrow.up-tight {
    margin-top: -0.6vw;
    /* 向上拉近 */
    width: 6vw;
    display: block;
    margin-left: auto;
    margin-right: auto;
}


/* ...existing code... */
.future-desc {
    margin: 0.8vw auto 0;
    font-size: 0.95vw;
    font-family: "Helvetica Neue Light", "Helvetica Neue", Arial, sans-serif;
    font-weight: 300;
    line-height: 1.35;
    max-width: 18vw;
    color: #1a3a5f;
}

.future-desc-box {
    margin: 0.9vw auto 0;
    width: 23vw;
    min-height: 4.6vw;
    border: 0.18vw solid #1a3a5f;
    border-radius: 0.8vw;
    padding: 0.85vw 1vw;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(4px);
}

.future-desc-box-text {
    margin: 0;
    font-size: 1.25vw;
    line-height: 1.25;
    font-family: "Helvetica Neue Light", "Helvetica Neue", Arial, sans-serif;
    font-weight: 300;
    color: #1a3a5f;
    text-align: center;
}


/* ...existing code... */
/* ===================================explore============================ */