@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,900&display=swap");
 .clear {
  font-size: 0;
  line-height: 0;
  clear: both;
  overflow: hidden;
  zoom: 1;
}
.fr {
  float: right;
}
.fl {
  float: left;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
  color: #c01701;
  transition: all 0.2s linear 0s;
}
@charset "utf-8";
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {            
            background: #fff;
            color: #fff;
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* ============================================================
           视频背景层 — 固定
           ============================================================ */
        #bgVideo {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: 0;
            object-fit: cover;
            pointer-events: none;
        }

        /* ============================================================
           内容容器
           ============================================================ */
        .screens {
            position: relative;
            z-index: 1;
            min-height: 100vh;
        }

        /* ============================================================
           前三屏 — 全屏视频背景 (滑动切换，无淡入淡出)
           ============================================================ */
        .screen {
            position: relative;
            height: 100vh;
            width: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 2rem 3rem;
            background: rgba(10, 10, 18, 0.5);            
            transition: background 0.6s ease;
            overflow: hidden;
        }

        .screen .content {
            max-width: 1200px;
            width: 100%;
            padding: 0;
            /* 由下向上滑动，无淡入淡出 */
            transform: translateY(60px);
            transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform;
        }

        .screen.active .content {
            transform: translateY(0);
        }

        .screen.exit .content {
            transform: translateY(-60px);
        }

        /* ===== 第一屏：左对齐 ===== */
        .screen-1 .content {
            text-align: left;
            max-width: 1200px;
        }
        .screen-1 .main-title {font-family: "Poppins", sans-serif;
            font-size: .85vw;
    font-weight: 850;
    letter-spacing: 0;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #fff;
            
        }
        .screen-1 .sub-title {
            font-size: 1.4vw;
    font-weight: 600;
    letter-spacing: 0;
    color: #fff;
    max-width: 1000px;
    line-height: 1.6;
    margin: 0;
        }

        /* ===== 第二屏：左右分栏 ===== */
        .screen-2 .content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }
        .screen-2 .left-col {
            flex: 0 0 auto;
            width: 30%;
        }
        .screen-2 .right-col {
            flex: 1 1 50%;
            min-width: 280px;
        }
        .screen-2 .main-title-small {font-family: "Poppins", sans-serif;
            font-size: .85vw;
            font-weight: 850;
            line-height: 1.2;
            color:#fff;margin-bottom: 1.5rem;
        }
		.screen-2 .main-title-small img{width:12rem;}
        .screen-2 .desc-text {width: 1000px;
            font-size: 1.4vw;
            font-weight: 600;            
            color: #fff;
            line-height: 1.6;            
        }

        /* ===== 第三屏：左右分栏（logo + 描述） ===== */
        .screen-3 .content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }
        .screen-3 .left-logo {font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    font-family: "Poppins", sans-serif;
            flex: 0 0 auto;
            width: 46%;
        }
        .screen-3 .left-logo img {
            width: 100%;
            max-width: 200px;
            height: auto;
            filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.1));
        }
        .screen-3 .right-desc {
            flex: 1 1 50%;
            min-width: 280px;
        }
		.screen-3 .right-desc .desc-text-title {font-family: "Poppins", sans-serif;
    font-size: .85vw;
    font-weight: 850;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 1.5rem;}
        .screen-3 .right-desc .desc-text {
            font-size: 1.4vw;
            font-weight: bold;           
            color: #fff;
            line-height: 1.6;            
        }

        /* 通用标签 */
        .screen-label {
            position: absolute;
            bottom: 2.5rem;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.8rem;
            letter-spacing: 0.3em;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 300;
            text-transform: uppercase;
            text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        }
        .scroll-hint {
            position: absolute;
            bottom: 4.5rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.3rem;
            opacity: 0.6;
            animation: bounceDown 2.4s ease-in-out infinite;
            pointer-events: none;
        }
        .scroll-hint span {
            display: block;
            width: 1.5px;
            height: 28px;
            background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
            border-radius: 2px;
        }
        .scroll-hint .arrow {
            display: block;
            width: 12px;
            height: 12px;
            border-right: 1.5px solid rgba(255, 255, 255, 0.4);
            border-bottom: 1.5px solid rgba(255, 255, 255, 0.4);
            transform: rotate(45deg);
            margin-top: -2px;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
                opacity: 0.6;
            }
            50% {
                transform: translateX(-50%) translateY(10px);
                opacity: 1;
            }
        }

        /* ============================================================
           第四屏 — 白色背景，自适应
           ============================================================ */
        .screen.section-4 {
            height: auto;
            min-height: 70vh;
            background: #ffffff;
            color: #222;
            backdrop-filter: none;
            padding:10rem 10% 8rem 10%;
            display: block;
        }
        .fourth-container {
            max-width: 100%;
            margin: 0 auto;
            width: 100%;
        }
        .fourth-top {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 3.5rem;
            align-items: center;
        }
        .left-number {background: linear-gradient(135deg, #8465b1, #b588f9);
    border-radius: 20px;
            flex: 1 1 58%;
            min-width: 200px;
            text-align: center;
            font-size: 8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.6;
        }
        .left-number span img{width:4.5vw;}
        .left-number dd{font-size: .95vw;position: relative;
    bottom: 2vw;
    font-weight: normal;}
        .left-number #numberDisplay {font-family: "Poppins", sans-serif;
            display: inline-block;
            min-width: 2ch;
        }
        .left-number .percent-sign {font-family: "Poppins", sans-serif;
            font-size: 1.3rem;
            color: #fff;
        }
        .right-image {
            flex: 1 1 32%;
            min-width: 200px;
            text-align: center;
        }
        .right-image img {
            width: 100%;
            max-width: 100%;
            height: 13rem;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            display: block;
            margin: 0 auto;
        }
        .fourth-bottom {
            display: block;
            flex-direction: column;
            gap: 0rem;
            margin: 4rem 0 0 0;
            border-top: 0px solid #eaeef3;
            padding: 0rem;
        }
        .info-row {
            display: block;
            flex-wrap: wrap;
            align-items: baseline;
            font-size: 1.1rem;
            line-height: 2;
            padding: 0.4rem 0;width: 50%;float: left;
            border-bottom: 0px dashed #eef2f7;
        }
        .info-row:last-child {
            border-bottom: none;
        }
        .info-row .label {font-family: "Poppins", sans-serif;
            flex: 0 0 10rem;margin-right: 1%;
            font-weight: 600;
            color: #333;
            letter-spacing: 0em;
        }
        .info-row .value {font-size: 1rem;
            flex: 1;
            color: #666;
            font-weight: 400;
            word-break: break-word;
        }

        /* ============================================================
           第五屏 — 浅灰背景，右侧边距为0
           ============================================================ */
        .screen.section-5 {
            height: auto;
            min-height: 100vh;
            background: #f8f9fc;
            color: #1a1a2e;
            backdrop-filter: none;
            padding: 4rem 0 4rem 10%;
            display: block;
        }
        .fifth-title {text-transform: uppercase;
    font-family: "Poppins", sans-serif;
            font-size: 18rem;
            font-weight: 800;
            text-align:left;
            margin-bottom: 3.5rem;
            color: #1a1a2e;
            letter-spacing: 0.02em;
            padding-right: 2rem;
        }
        .fifth-list-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            width: 100%;
            padding-right: 0;
        }
        .fifth-item {
            flex: 1 1 33.333%;
            min-width: 220px;
            padding: 2rem 2rem 2rem 2rem;
            border-right: 1px solid rgba(0, 0, 0, 0.06);
            transition: background 0.3s ease;
        }
        .fifth-item:last-child {
            border-right: none;
            padding-right: 0;
        }
        .fifth-item:hover {
            background: rgba(74, 108, 247, 0.03);
        }
        .fifth-item .item-title {
            font-size: 2rem;
            font-weight: 600;
            color: #1f2a3a;
            margin-bottom: 1.2rem;
            letter-spacing: 0.04em;
            position: relative;
            display: inline-block;
        }
        .fifth-item .item-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 32px;
            height: 0px;
            background: #4a6cf7;
            border-radius: 4px;
        }
        .fifth-item .item-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: #4a5a6e;
            font-weight: 400;
            margin-top: 0.5rem;
        }
        .fifth-item .item-desc p {
            margin-bottom: 0.4rem;
        }
        .fifth-item .item-desc p:last-child {
            margin-bottom: 0;
        }

        /* ============================================================
           第六屏 — 医院环境 (全屏轮播背景 + 浮动文字)
           ============================================================ */
        .screen.section-6 {
            height: 100vh;
            min-height: 100vh;
            width: 100%;
            padding: 0;
            display: block;
            position: relative;
            overflow: hidden;
            background: #1a2a3a;
            backdrop-filter: none;
        }
        .carousel-wrapper {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            border-radius: 0;
            box-shadow: none;
            overflow: hidden;
        }
        .carousel-track {
            display: flex;
            width: 100%;
            height: 100%;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform;
        }
        .carousel-slide {
            flex: 0 0 100%;
            height: 100%;
        }
        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .float-title-wrap {
            position: absolute;
            top: 40%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10;
            text-align: left;
            width: 78%;
            pointer-events: none;
        }
        .float-en-title {font-family: "Poppins", sans-serif;
            font-size: 7rem;
            font-weight: 800;
            letter-spacing: 0em;
            color: #fff;
            /*text-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);*/
            animation: floatUpDown 4s ease-in-out infinite;
            line-height: 1.5;
        }
        .float-sub {
            font-size: clamp(1.2rem, 2.5vw, 2rem);
            font-weight: bold;
            color: #fff;
            /*text-shadow: 0 4px 30px rgba(0, 0, 0, 0.7);*/
            letter-spacing: 0em;
            margin-top: -0.5rem;
            animation: floatUpDown 4.2s ease-in-out infinite 0.6s;
        }
        @keyframes floatUpDown {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-16px);
            }
        }
        .carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 30;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.85);
            border: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            font-size: 1.6rem;
            color: #1a2a3a;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(4px);
        }
        .carousel-btn:hover {
            background: #ffffff;
            transform: translateY(-50%) scale(1.08);
        }
        .carousel-btn:active {
            transform: translateY(-50%) scale(0.95);
        }
        .carousel-btn.prev {
            left: 16px;
        }
        .carousel-btn.next {
            right: 16px;
        }
        .carousel-dots {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 30;
            display: flex;
            gap: 0.7rem;
            justify-content: center;
        }
        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            border: none;
            cursor: pointer;
            transition: all 0.4s ease;
            padding: 0;
            backdrop-filter: blur(2px);
        }
        .carousel-dot.active {
            background: #ffffff;
            transform: scale(1.3);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
        }
        .carousel-dot:hover {
            background: #ffffff;
            transform: scale(1.2);
        }

        /* ============================================================
           第七屏 — 左侧标题，右侧描述
           ============================================================ */
        .screen.section-7 {
            height: auto;
            min-height: 100vh;
            background: #f0f4f9;
            color: #1a2a3a;
            backdrop-filter: none;
            padding: 4rem 11%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .seventh-container {
            max-width: 100%;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            /*align-items: center;*/
            gap: 3rem;
        }
        .seventh-left {
            flex: 1 1 30%;
            min-width: 200px;
        }
        .seventh-left h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #555;
            line-height: 1.4;
            letter-spacing: 0em;margin-bottom: 3vw;
        }
		.seventh-left img{width: 31%;
    margin-right: 1%;
    height: 16vw;
    object-fit: cover;}
        .seventh-right {
            flex: 1 1 50%;
            min-width: 280px;
        }
        .seventh-right p {
            font-size: 1rem;
            font-weight: normal;
            line-height: 2.2;
            color: #666;
        }

        /* ============================================================
           指示器 (右侧圆点)
           ============================================================ */
        .indicator {
            position: fixed;
            right: 2.2rem;
            top: 50%;
            transform: translateY(-50%);
            z-index: 100;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            align-items: center;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: 1.5px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            backdrop-filter: blur(4px);
        }
        .dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 1.5px solid transparent;
            transition: all 0.5s ease;
        }
        .dot.active {
            background: rgba(255, 255, 255, 0.95);
            border-color: rgba(255, 255, 255, 0.9);
            transform: scale(1.35);
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
        }
        .dot.active::after {
            border-color: rgba(255, 255, 255, 0.3);
            transform: scale(1.6);
        }
        .dot:hover {
            background: rgba(255, 255, 255, 0.5);
            transform: scale(1.2);
        }
        /* 浅色背景适配 */
        .dot.light {
            background: rgba(0, 0, 0, 0.12);
            border-color: rgba(0, 0, 0, 0.10);
        }
        .dot.light.active {
            background: #1a1a2e;
            border-color: #1a1a2e;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
        }
        .dot.light:hover {
            background: rgba(0, 0, 0, 0.25);
        }

        /* ============================================================
           响应式
           ============================================================ */
        @media (max-width: 992px) {
            .fifth-item {
                flex: 1 1 50%;
                border-right: none;
                border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            }
            .fifth-item:nth-child(2) {
                border-right: none;
            }
            .fifth-item:last-child {
                border-bottom: none;
            }
            .screen.section-5 {
                padding: 3rem 0 3rem 1.5rem;
            }
            .fifth-title {
                padding-right: 1.5rem;
            }
            .seventh-container {
                flex-direction: column;
                text-align: center;
            }
            .seventh-left h2 {
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .indicator {
                right: 1.2rem;
                gap: 0.7rem;
            }
            .dot {
                width: 8px;
                height: 8px;
            }
            .screen {
                padding: 1.5rem;
            }
            .screen-2 .content,
            .screen-3 .content {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .screen-2 .left-col,
            .screen-3 .left-logo {
                max-width: 100%;
            }
            .screen-2 .right-col,
            .screen-3 .right-desc {
                flex: 1 1 100%;
                min-width: auto;
            }
            .screen-1 .content {
                text-align: center;
            }
            .screen-1 .sub-title {
                margin: 0 auto;
            }
            .screen-label {
                font-size: 0.6rem;
                bottom: 1.8rem;
            }
            .scroll-hint {
                display: none;
            }
            .screen:not(.section-4):not(.section-5):not(.section-6):not(.section-7) {
                background: rgba(10, 10, 18, 0.5);
                backdrop-filter: blur(3px);
            }
            .fourth-top {
                flex-direction: column;
                gap: 1.5rem;
            }
            .left-number {
                font-size: clamp(3.5rem, 12vw, 5rem);
            }
            .info-row .label {
                flex-basis: 80px;
                font-size: 0.95rem;
            }
            .info-row .value {
                font-size: 0.95rem;
            }
            .screen.section-4 {
                padding: 2.5rem 1.2rem;
            }
            .fifth-item {
                flex: 1 1 100%;
                border-right: none;
                border-bottom: 1px solid rgba(0, 0, 0, 0.06);
                padding: 1.5rem 1.5rem 1.5rem 1.5rem;
            }
            .fifth-item:last-child {
                border-bottom: none;
            }
            .screen.section-5 {
                padding: 2.5rem 0 2.5rem 1rem;
            }
            .fifth-title {
                padding-right: 1rem;
                font-size: clamp(2rem, 6vw, 2.8rem);
            }
            .fifth-item .item-title {
                font-size: 1.2rem;
            }
            .screen.section-6 {
                height: 100vh;
                min-height: 100vh;
            }
            .float-en-title {
                font-size: clamp(2rem, 8vw, 3.4rem);
            }
            .float-sub {
                font-size: clamp(1rem, 2.8vw, 1.4rem);
                margin-top: -0.2rem;
            }
            .carousel-btn {
                width: 36px;
                height: 36px;
                font-size: 1.2rem;
            }
            .carousel-btn.prev {
                left: 8px;
            }
            .carousel-btn.next {
                right: 8px;
            }
            .seventh-container {
                gap: 1.5rem;
            }
            .seventh-left h2 {
                font-size: clamp(2rem, 6vw, 3rem);
            }
            .screen.section-7 {
                padding: 3rem 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .indicator {
                right: 0.8rem;
                gap: 0.6rem;
            }
            .dot {
                width: 6px;
                height: 6px;
                border-width: 1px;
            }
            .dot.active {
                transform: scale(1.5);
            }
            .main-title {
                font-size: clamp(2rem, 14vw, 3.2rem);
            }
            .sub-title {
                font-size: clamp(0.8rem, 3vw, 1rem);
            }
            .info-row {
                font-size: 0.9rem;
                padding: 0.3rem 0;
            }
            .info-row .label {
                flex-basis: 70px;
            }
            .fourth-bottom {
                gap: 0.8rem;
                padding-top: 1.5rem;
            }
            .fifth-item {
                padding: 1.2rem 1rem 1.2rem 1rem;
            }
            .carousel-btn {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
            .carousel-btn.prev {
                left: 4px;
            }
            .carousel-btn.next {
                right: 4px;
            }
        }

        /* ============================================================
           滚动条
           ============================================================ */
        ::-webkit-scrollbar {
            width: 4px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* ============================================================
           进入动画 (第五、六、七屏)
           ============================================================ */
        .screen.section-5,
        .screen.section-6,
        .screen.section-7 {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.9s ease, transform 0.9s ease;
        }
        .screen.section-5.in-view,
        .screen.section-6.in-view,
        .screen.section-7.in-view {
            opacity: 1;
            transform: translateY(0);
        }
/* ============================================================
   移动端适配样式 (仅针对手机端)
   使用方式：放在现有样式之后，或作为独立CSS文件引用
   断点：768px及以下
   所有文字字号均使用vw单位，最小不小于3vw
   ============================================================ */

@media (max-width: 768px) {

    /* ---------- 全局重置 ---------- */
    body {
        overflow-x: hidden;
        line-height: 1.5;
    }

    .screen {
        padding: 2rem 1.5rem !important;
        height: auto !important;
        min-height: 100vh;
        background: rgba(10, 10, 18, 0.6);
        backdrop-filter: blur(2px);
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .screen .content {
        transform: translateY(0) !important;
        transition: none !important;
        padding: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
    }

    .screen.active .content,
    .screen.exit .content {
        transform: translateY(0) !important;
    }

    /* ---------- 视频背景 ---------- */
    #bgVideo {
        object-fit: cover;
        height: 100vh;
        width: 100vw;
    }

    /* ---------- 屏幕标签 ---------- */
    .screen-label {
        font-size: 2.5vw !important;
        bottom: 1.2rem !important;
        letter-spacing: 0.2em;
        opacity: 0.5;
    }

    .scroll-hint {
        display: none !important;
    }

    /* ============================================================
       第一屏
       ============================================================ */
    .screen-1 .content {
        text-align: center !important;
    }

    .screen-1 .main-title {
        font-size: 8vw !important;
        font-weight: 850;
        letter-spacing: 0.02em;
        margin-bottom: 2vw;
        color: #fff;
    }

    .screen-1 .sub-title {
        font-size: 3.8vw !important;
        font-weight: 600;
        letter-spacing: 0.01em;
        color: #fff;
        max-width: 100% !important;
        line-height: 1.7;
        margin: 0 auto 2vw auto !important;
        padding: 0 1vw;
    }

    .screen-1 .sub-title:last-of-type {
        margin-bottom: 0 !important;
    }

    /* ============================================================
       第二屏
       ============================================================ */
    .screen-2 .content {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 1.5rem !important;
    }

    .screen-2 .left-col {
        width: 100% !important;
        flex: 0 0 auto !important;
        max-width: 100% !important;
    }

    .screen-2 .right-col {
        width: 100% !important;
        flex: 1 1 auto !important;
        min-width: 0 !important;
    }

    .screen-2 .main-title-small {
        font-size: 7vw !important;
        font-weight: 850;
        line-height: 1.2;
        color: #fff;
        margin-bottom: 2vw;
    }

    .screen-2 .main-title-small img {
        width: 30vw !important;
        max-width: 200px;
        height: auto;
    }

    .screen-2 .desc-text {
        width: 100% !important;
        font-size: 3.8vw !important;
        font-weight: 600;
        color: #fff;
        line-height: 1.8;
        padding: 0 2vw;
    }

    /* ============================================================
       第三屏
       ============================================================ */
    .screen-3 .content {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 1.5rem !important;
    }

    .screen-3 .left-logo {
        width: 100% !important;
        flex: 0 0 auto !important;
        max-width: 100% !important;
        font-size: 3.5vw !important;
    }

    .screen-3 .left-logo img {
        max-width: 40vw !important;
        width: 100%;
        height: auto;
        filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.08));
    }

    .screen-3 .right-desc {
        width: 100% !important;
        flex: 1 1 auto !important;
        min-width: 0 !important;
    }

    .screen-3 .right-desc .desc-text-title {
        font-size: 7vw !important;
        font-weight: 850;
        line-height: 1.2;
        color: #fff;
        margin-bottom: 2vw;
    }

    .screen-3 .right-desc .desc-text {
        font-size: 3.8vw !important;
        font-weight: 600;
        color: #fff;
        line-height: 1.8;
        padding: 0 2vw;
    }

    .screen-3 .right-desc .desc-text:last-of-type {
        margin-bottom: 0;
    }

    /* ============================================================
       第四屏 — 白色背景
       ============================================================ */
    .screen.section-4 {
        padding: 3rem 1.5rem !important;
        min-height: auto !important;
        background: #ffffff !important;
        color: #222 !important;
        backdrop-filter: none !important;
        display: block !important;
    }

    .fourth-container {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 auto !important;
    }

    .fourth-top {
        display: flex !important;
        flex-direction: column !important;
        gap: 1.5rem !important;
        margin-bottom: 2.5rem !important;
        align-items: stretch !important;
    }

    .left-number {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        text-align: center !important;
        font-size: 12vw !important;
        font-weight: 700;
        color: #fff;
        line-height: 1.4;
        padding: 4vw 2vw;
        border-radius: 16px;
        background: linear-gradient(135deg, #8465b1, #b588f9);
    }

    .left-number #numberDisplay {
        font-size: 12vw !important;
        font-weight: 700;
        display: inline-block;
        min-width: 2ch;
    }

    .left-number .percent-sign {
        font-size: 3.5vw !important;
        color: #fff;
        font-weight: 600;
        display: inline-block;
        margin-left: 0.5vw;
    }

    .right-image {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        text-align: center !important;
    }

    .right-image img {
        width: 100% !important;
        max-width: 100% !important;
        height: 40vw !important;
        min-height: 180px;
        object-fit: cover;
        border-radius: 16px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        display: block;
        margin: 0 auto;
    }

    .fourth-bottom {
        display: block !important;
        margin: 2rem 0 0 0 !important;
        border-top: 1px solid #eaeef3 !important;
        padding-top: 1.5rem !important;
        width: 100% !important;
    }

    .info-row {
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: baseline !important;
        font-size: 3.2vw !important;
        line-height: 2;
        padding: 0.8vw 0 !important;
        width: 100% !important;
        float: none !important;
        border-bottom: 1px dashed #eef2f7 !important;
    }

    .info-row:last-child {
        border-bottom: none !important;
    }

    .info-row .label {
        flex: 0 0 auto !important;
        font-size: 3.2vw !important;
        font-weight: 600;
        color: #333;
        letter-spacing: 0.01em;
        margin-right: 2vw !important;
        min-width: 18vw !important;
    }

    .info-row .label:first-of-type {
        font-weight: 700;
        color: #1a1a2e;
    }

    .info-row .value {
        font-size: 3.2vw !important;
        flex: 1 1 auto !important;
        color: #666;
        font-weight: 400;
        word-break: break-word;
        padding-left: 0;
    }

    /* 第四屏中 label 的第二个作为中文标题，单独控制 */
    .info-row .label:nth-child(2) {
        flex: 0 0 auto !important;
        font-weight: 500;
        color: #555;
        margin-right: 2vw !important;
        min-width: 12vw !important;
        font-size: 3vw !important;
    }

    /* ============================================================
       第五屏 — 浅灰背景
       ============================================================ */
    .screen.section-5 {
        padding: 2.5rem 1.5rem !important;
        min-height: auto !important;
        background: #f8f9fc !important;
        color: #1a1a2e !important;
        backdrop-filter: none !important;
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .screen.section-5.in-view {
        opacity: 1 !important;
        transform: none !important;
    }

    .fifth-title {
        font-size: 12vw !important;
        font-weight: 800;
        text-align: center !important;
        margin-bottom: 2.5rem !important;
        color: #1a1a2e;
        letter-spacing: 0.02em;
        padding-right: 0 !important;
        text-transform: uppercase;
        font-family: "Poppins", sans-serif;
    }

    .fifth-list-wrap {
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
        width: 100% !important;
        padding-right: 0 !important;
    }

    .fifth-item {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        padding: 2rem 1.5rem !important;
        border-right: none !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
        text-align: center !important;
        transition: none !important;
    }

    .fifth-item:last-child {
        border-bottom: none !important;
        padding-right: 1.5rem !important;
    }

    .fifth-item:hover {
        background: transparent !important;
    }

    .fifth-item .item-title {
        font-size: 5vw !important;
        font-weight: 600;
        color: #1f2a3a;
        margin-bottom: 1.5vw;
        letter-spacing: 0.04em;
        position: relative;
        display: inline-block;
    }

    .fifth-item .item-title::after {
        content: '';
        position: absolute;
        left: 50% !important;
        bottom: -4px !important;
        width: 24px !important;
        height: 2px !important;
        background: #4a6cf7;
        border-radius: 2px;
        transform: translateX(-50%);
    }

    .fifth-item .item-desc {
        font-size: 3.2vw !important;
        line-height: 1.8;
        color: #4a5a6e;
        font-weight: 400;
        margin-top: 0.8vw;
    }

    .fifth-item .item-desc p {
        margin-bottom: 0.3vw;
        font-size: 3.2vw !important;
    }

    .fifth-item .item-desc p:last-child {
        margin-bottom: 0;
    }

    /* ============================================================
       第六屏 — 轮播
       ============================================================ */
    .screen.section-6 {
        height: 100vh !important;
        min-height: 100vh !important;
        padding: 0 !important;
        display: block !important;
        position: relative !important;
        overflow: hidden !important;
        background: #1a2a3a !important;
        backdrop-filter: none !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .screen.section-6.in-view {
        opacity: 1 !important;
        transform: none !important;
    }

    .carousel-wrapper {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        z-index: 1 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        overflow: hidden !important;
    }

    .carousel-track {
        display: flex !important;
        width: 100% !important;
        height: 100% !important;
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: transform;
    }

    .carousel-slide {
        flex: 0 0 100% !important;
        height: 100% !important;
    }

    .carousel-slide img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block !important;
    }

    .float-title-wrap {
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        z-index: 10 !important;
        text-align: center !important;
        width: 90% !important;
        pointer-events: none !important;
        padding: 0 4vw;
    }

    .float-en-title {
        font-size: 10vw !important;
        font-weight: 800;
        letter-spacing: 0.02em;
        color: #fff;
        text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        animation: floatUpDown 4s ease-in-out infinite;
        line-height: 1.3;
        font-family: "Poppins", sans-serif;
    }

    .float-sub {
        font-size: 4vw !important;
        font-weight: 700;
        color: #fff;
        text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        letter-spacing: 0.02em;
        margin-top: 1vw;
        animation: floatUpDown 4.2s ease-in-out infinite 0.6s;
        line-height: 1.5;
    }

    @keyframes floatUpDown {
        0%,
        100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-10px);
        }
    }

    .carousel-btn {
        width: 36px !important;
        height: 36px !important;
        font-size: 3.5vw !important;
        background: rgba(255, 255, 255, 0.85) !important;
        border: none !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
        color: #1a2a3a !important;
        cursor: pointer !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        transition: all 0.3s ease !important;
        backdrop-filter: blur(4px);
        border-radius: 50% !important;
        padding: 0 !important;
        z-index: 30 !important;
        position: absolute !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
    }

    .carousel-btn:hover {
        background: #ffffff !important;
        transform: translateY(-50%) scale(1.05) !important;
    }

    .carousel-btn:active {
        transform: translateY(-50%) scale(0.92) !important;
    }

    .carousel-btn.prev {
        left: 8px !important;
        right: auto !important;
    }

    .carousel-btn.next {
        right: 8px !important;
        left: auto !important;
    }

    .carousel-dots {
        position: absolute !important;
        bottom: 20px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        z-index: 30 !important;
        display: flex !important;
        gap: 2.5vw !important;
        justify-content: center !important;
        padding: 0 !important;
    }

    .carousel-dot {
        width: 2.5vw !important;
        height: 2.5vw !important;
        min-width: 8px !important;
        min-height: 8px !important;
        max-width: 14px !important;
        max-height: 14px !important;
        border-radius: 50% !important;
        background: rgba(255, 255, 255, 0.35) !important;
        border: none !important;
        cursor: pointer !important;
        transition: all 0.4s ease !important;
        padding: 0 !important;
        backdrop-filter: blur(2px);
        display: block !important;
    }

    .carousel-dot.active {
        background: #ffffff !important;
        transform: scale(1.35) !important;
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.25) !important;
    }

    .carousel-dot:hover {
        background: rgba(255, 255, 255, 0.7) !important;
        transform: scale(1.2) !important;
    }

    /* ============================================================
       第七屏
       ============================================================ */
    .screen.section-7 {
        padding: 2.5rem 1.5rem !important;
        min-height: auto !important;
        background: #f0f4f9 !important;
        color: #1a2a3a !important;
        backdrop-filter: none !important;
        display: flex !important;
        align-items: flex-start !important;
        justify-content: center !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .screen.section-7.in-view {
        opacity: 1 !important;
        transform: none !important;
    }

    .seventh-container {
        max-width: 100% !important;
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 2rem !important;
        text-align: center !important;
    }

    .seventh-left {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        width: 100% !important;
    }

    .seventh-left h2 {
        font-size: 5.5vw !important;
        font-weight: 700;
        color: #333;
        line-height: 1.4;
        letter-spacing: 0.02em;
        margin-bottom: 3vw !important;
        text-align: center !important;
    }

    .seventh-left img {
        width: 30% !important;
        margin-right: 1.5% !important;
        height: 28vw !important;
        min-height: 100px;
        max-height: 180px;
        object-fit: cover !important;
        border-radius: 8px;
        display: inline-block;
    }

    .seventh-left img:last-child {
        margin-right: 0 !important;
    }

    .seventh-right {
        flex: 1 1 auto !important;
        min-width: 0 !important;
        width: 100% !important;
        text-align: left !important;
    }

    .seventh-right p {
        font-size: 3.2vw !important;
        font-weight: 400;
        line-height: 2;
        color: #555;
        margin-bottom: 2vw;
        padding: 0 0.5vw;
        text-align: left !important;
    }

    .seventh-right p:last-child {
        margin-bottom: 0;
    }

    /* ============================================================
       指示器 (右侧圆点)
       ============================================================ */
    .indicator {
        position: fixed !important;
        right: 2vw !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        z-index: 100 !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 1.8vw !important;
        align-items: center !important;
    }

    .dot {
        width: 2.2vw !important;
        height: 2.2vw !important;
        min-width: 6px !important;
        min-height: 6px !important;
        max-width: 14px !important;
        max-height: 14px !important;
        border-radius: 50% !important;
        background: rgba(255, 255, 255, 0.2) !important;
        border: 1.5px solid rgba(255, 255, 255, 0.15) !important;
        cursor: pointer !important;
        transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
        position: relative !important;
        backdrop-filter: blur(4px);
        padding: 0 !important;
        display: block !important;
    }

    .dot::after {
        content: '' !important;
        position: absolute !important;
        inset: -3px !important;
        border-radius: 50% !important;
        border: 1.5px solid transparent !important;
        transition: all 0.5s ease !important;
    }

    .dot.active {
        background: rgba(255, 255, 255, 0.95) !important;
        border-color: rgba(255, 255, 255, 0.9) !important;
        transform: scale(1.4) !important;
        box-shadow: 0 0 30px rgba(255, 255, 255, 0.2) !important;
    }

    .dot.active::after {
        border-color: rgba(255, 255, 255, 0.25) !important;
        transform: scale(1.5) !important;
    }

    .dot:hover {
        background: rgba(255, 255, 255, 0.45) !important;
        transform: scale(1.25) !important;
    }

    .dot.light {
        background: rgba(0, 0, 0, 0.10) !important;
        border-color: rgba(0, 0, 0, 0.08) !important;
    }

    .dot.light.active {
        background: #1a1a2e !important;
        border-color: #1a1a2e !important;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.12) !important;
    }

    .dot.light:hover {
        background: rgba(0, 0, 0, 0.2) !important;
    }

    /* ============================================================
       滚动条 (移动端隐藏)
       ============================================================ */
    ::-webkit-scrollbar {
        width: 0 !important;
        height: 0 !important;
    }

    ::-webkit-scrollbar-track {
        background: transparent !important;
    }

    ::-webkit-scrollbar-thumb {
        background: transparent !important;
        border-radius: 0 !important;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: transparent !important;
    }

    /* ============================================================
       额外优化：确保所有文字不小于3vw
       ============================================================ */
    .screen * {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    /* 但标题和特殊元素需要保持其相对大小，所以使用更具体的选择器恢复 */
    .screen .main-title,
    .screen .main-title-small,
    .screen .desc-text-title,
    .screen .fifth-title,
    .screen .float-en-title,
    .screen .seventh-left h2,
    .screen .item-title,
    .screen .left-number,
    .screen .left-number #numberDisplay,
    .screen .screen-1 .main-title,
    .screen .screen-2 .main-title-small,
    .screen .screen-3 .right-desc .desc-text-title {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    /* 确保最小字号为3vw，但保留各自设置的相对大小 */
    .screen-1 .sub-title,
    .screen-2 .desc-text,
    .screen-3 .right-desc .desc-text,
    .screen .info-row .label,
    .screen .info-row .value,
    .screen .fifth-item .item-desc,
    .screen .fifth-item .item-desc p,
    .screen .seventh-right p,
    .screen .float-sub,
    .screen .screen-label,
    .screen .carousel-dot {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    /* 轮播按钮特殊处理 */
    .carousel-btn {
        font-size: clamp(3vw, 4vw, 5vw) !important;
    }

    /* 数字百分比符号 */
    .left-number .percent-sign {
        font-size: clamp(3vw, 3.5vw, 4.5vw) !important;
    }

}


/* ============================================================
   超小屏设备 (480px 以下) 额外优化
   ============================================================ */
@media (max-width: 480px) {

    .screen {
        padding: 1.5rem 1rem !important;
        min-height: 100vh;
    }

    .screen-1 .main-title {
        font-size: 7.5vw !important;
    }

    .screen-1 .sub-title {
        font-size:3.5vw !important;
		
    }

    .screen-2 .main-title-small {
        font-size: 6.5vw !important;
    }

    .screen-2 .desc-text {
        font-size: 3.5vw !important;
    }

    .screen-3 .right-desc .desc-text-title {
        font-size: 6.5vw !important;
    }

    .screen-3 .right-desc .desc-text {
        font-size: 3.5vw !important;
    }

    .left-number {
        font-size: 10vw !important;
        padding: 3vw 2vw;
        border-radius: 12px;
    }

    .left-number #numberDisplay {
        font-size: 10vw !important;
    }

    .left-number .percent-sign {
        font-size: 3vw !important;
    }

    .right-image img {
        height: 35vw !important;
        min-height: 140px;
        border-radius: 12px;
    }

    .info-row {
        font-size: 3vw !important;
        padding: 0.5vw 0 !important;
        line-height: 1.8;
    }

    .info-row .label {
        font-size: 3vw !important;
        min-width: 16vw !important;
        margin-right: 1.5vw !important;
    }

    .info-row .value {
        font-size: 3vw !important;
    }

    .info-row .label:nth-child(2) {
        font-size: 2.8vw !important;
        min-width: 10vw !important;
    }

    .fifth-title {
        font-size: 10vw !important;
        margin-bottom: 2rem !important;
    }

    .fifth-item {
        padding: 1.5rem 1rem !important;
    }

    .fifth-item .item-title {
        font-size: 4.5vw !important;
    }

    .fifth-item .item-desc {
        font-size: 3vw !important;
    }

    .fifth-item .item-desc p {
        font-size: 3.5vw !important;
    }

    .float-en-title {
        font-size: 8.5vw !important;
    }

    .float-sub {
        font-size: 3.5vw !important;
    }

    .carousel-btn {
        width: 30px !important;
        height: 30px !important;
        font-size: 3.5vw !important;
    }

    .carousel-btn.prev {
        left: 4px !important;
    }

    .carousel-btn.next {
        right: 4px !important;
    }

    .carousel-dots {
        gap: 2vw !important;
        bottom: 14px !important;
    }

    .carousel-dot {
        width: 2.2vw !important;
        height: 2.2vw !important;
        min-width: 6px !important;
        min-height: 6px !important;
    }

    .seventh-left h2 {
        font-size: 5vw !important;
        margin-bottom: 5.5vw !important;
    }

    .seventh-left img {
        width: 30% !important;
        height: 25vw !important;
        min-height: 80px;
        margin-right: 1.5% !important;
    }

    .seventh-right p {
        font-size: 3.5vw !important;
        line-height: 1.9;
        margin-bottom: 1.5vw;
    }

    .indicator {
        right: 1.5vw !important;
        gap: 1.5vw !important;
    }

    .dot {
        width: 2vw !important;
        height: 2vw !important;
        min-width: 5px !important;
        min-height: 5px !important;
        border-width: 1px !important;
    }

    .dot.active {
        transform: scale(1.5) !important;
    }

    .screen-label {
        font-size: 2.2vw !important;
        bottom: 0.8rem !important;
    }

    /* 确保所有文字不小于3vw */
    .screen * {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    .screen .main-title,
    .screen .main-title-small,
    .screen .desc-text-title,
    .screen .fifth-title,
    .screen .float-en-title,
    .screen .seventh-left h2,
    .screen .item-title,
    .screen .left-number,
    .screen .left-number #numberDisplay,
    .screen .screen-1 .main-title,
    .screen .screen-2 .main-title-small,
    .screen .screen-3 .right-desc .desc-text-title {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    .screen-1 .sub-title,
    .screen-2 .desc-text,
    .screen-3 .right-desc .desc-text,
    .screen .info-row .label,
    .screen .info-row .value,
    .screen .fifth-item .item-desc,
    .screen .fifth-item .item-desc p,
    .screen .seventh-right p,
    .screen .float-sub,
    .screen .screen-label,
    .screen .carousel-dot {
        font-size: clamp(3vw, inherit, 100vw) !important;
    }

    .carousel-btn {
        font-size: clamp(3vw, 3.5vw, 4.5vw) !important;
    }

    .left-number .percent-sign {
        font-size: clamp(2.8vw, 3vw, 3.8vw) !important;
    }
    .left-number dd{font-size: 3vw;}

}