@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,900&display=swap");
html{font-family: "Noto Sans SC";}
body{font-family: "Noto Sans SC";}
.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";

.outer-wrapper {
            width: 100%;
            max-width: 100%;
            min-width: 320px;           
            border-radius: 32px;           
            padding: 20px 0 20px 0;
            backdrop-filter: blur(2px);
            border: 1px solid rgba(255,255,255,0.08);
        }

        .vcarousel-container {
            width: 100%;
            overflow: hidden;
            border-radius: 0px;           
            padding: 8px 0;
        }

        .video-strip {
            display: flex;
            align-items: center;
            will-change: transform;
            cursor: grab;
            transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.08);
            touch-action: pan-y pinch-zoom;
        }

        .video-strip:active {
            cursor: grabbing;
            transition: none;
        }

        .video-card {
            flex: 0 0 auto; 
            margin: 0 4px;            
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: filter 0.2s, box-shadow 0.3s;
            transform: translateZ(0);
            transform-origin: center center; /* 确保缩放居中 */
        }

        .video-card.focused {            
            filter: brightness(1.08);
        }

        .video-wrapper {
            background: none;
            width: 100%;
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            background: none;
            pointer-events: none;
        }

        /* 自定义控制条 — 图片按钮 */
        .video-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            padding: 2vw 0;            
            backdrop-filter: blur(6px);
            border-top: 0px solid #3d576b;
            border-radius: 0 0 20px 20px;
        }
		
		.mute-btn{background-color:#d70e18 !important;}

        .control-btn {
            background-color: rgba(220, 240, 255, 0.15);
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.15s;
            box-shadow: 0 4px 10px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.2);
            backdrop-filter: blur(4px);
            background-repeat: no-repeat;
            background-position: center;
            background-size: 28px 28px;
            touch-action: manipulation;
        }

        .control-btn:active {
            background-color: #ffb347;
            transform: scale(0.94);
        }

        /* 播放按钮背景 — 默认播放图标 */
        .play-btn {background-size: 15px 20px;
            background-image: url('../images/shehui/zanting.png');
        }
        /* 暂停状态 */
        .play-btn.pause-state {background-size: 15px 20px;
            background-image: url('../images/shehui/bofang.png');
        }

        /* 音量按钮 — 默认音量高 */
        .mute-btn {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/></svg>');
        }
        /* 静音状态 */
        .mute-btn.mute-active {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/></svg>');
        }

        .index-hint {opacity: 0;
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 22px;
            margin-bottom: 6px;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 20px;
            background: #486477;
            transition: 0.25s;
            box-shadow: 0 0 6px cyan;
        }
        .dot.active {
            background: #ffc107;
            width: 28px;
            box-shadow: 0 0 16px #ffaa33;
        }

        .drag-hint {
            color: #b0c7db;
            text-align: center;
            font-size: 15px;
            background: rgba(0,0,0,0.5);
            padding: 6px 18px;
            border-radius: 60px;
            width: fit-content;
            margin: 16px auto 0;
            border: 1px solid #4b6579;
        }


.animated-text {
            font-size:2vw;
            font-weight: 700;
            line-height: 2.6vw;
            margin: 0px 0 1vw 0;            
            display: flex;
            justify-content: left;
            align-items: center;
        }
        
        .animated-text span {
            display: inline-block;
            opacity: 0;
            transform: translateY(20px);
        }
        
        /* 触发动画的类 */
        .animate-text .animated-text span {
            animation: fadeInUp 0.5s forwards;
        }
        
        /* 板块1动画 - 中等速度 */
        .animate-text .animated-text.section-1-text span:nth-child(1) { animation-delay: 0.1s; }
        .animate-text .animated-text.section-1-text span:nth-child(2) { animation-delay: 0.2s; }
        .animate-text .animated-text.section-1-text span:nth-child(3) { animation-delay: 0.3s; }
        .animate-text .animated-text.section-1-text span:nth-child(4) { animation-delay: 0.4s; }
        .animate-text .animated-text.section-1-text span:nth-child(5) { animation-delay: 0.5s; }
        .animate-text .animated-text.section-1-text span:nth-child(6) { animation-delay: 0.6s; }
        .animate-text .animated-text.section-1-text span:nth-child(7) { animation-delay: 0.7s; }
		.animate-text .animated-text.section-1-text span:nth-child(8) { animation-delay: 0.8s; }
        .animate-text .animated-text.section-1-text span:nth-child(9) { animation-delay: 0.9s; }
        .animate-text .animated-text.section-1-text span:nth-child(10) { animation-delay: 1.0s; }
        .animate-text .animated-text.section-1-text span:nth-child(11) { animation-delay: 1.1s; }
        .animate-text .animated-text.section-1-text span:nth-child(12) { animation-delay: 1.2s; }
        .animate-text .animated-text.section-1-text span:nth-child(13) { animation-delay: 1.3s; }
		.animate-text .animated-text.section-1-text span:nth-child(14) { animation-delay: 1.4s; }
        .animate-text .animated-text.section-1-text span:nth-child(15) { animation-delay: 1.5s; }
        .animate-text .animated-text.section-1-text span:nth-child(16) { animation-delay: 1.6s; }
        
        /* 板块2动画 - 较慢速度 */
        .animate-text .animated-text.section-2-text span:nth-child(1) { animation-delay: 0.15s; }
        .animate-text .animated-text.section-2-text span:nth-child(2) { animation-delay: 0.3s; }
        .animate-text .animated-text.section-2-text span:nth-child(3) { animation-delay: 0.45s; }
        .animate-text .animated-text.section-2-text span:nth-child(4) { animation-delay: 0.6s; }
        .animate-text .animated-text.section-2-text span:nth-child(5) { animation-delay: 0.75s; }
        .animate-text .animated-text.section-2-text span:nth-child(6) { animation-delay: 0.9s; }
        .animate-text .animated-text.section-2-text span:nth-child(7) { animation-delay: 1.05s; }
        .animate-text .animated-text.section-2-text span:nth-child(8) { animation-delay: 1.2s; }
        
        /* 板块3动画 - 较快速度 */
        .animate-text .animated-text.section-3-text span:nth-child(1) { animation-delay: 0.05s; }
        .animate-text .animated-text.section-3-text span:nth-child(2) { animation-delay: 0.1s; }
        .animate-text .animated-text.section-3-text span:nth-child(3) { animation-delay: 0.15s; }
        .animate-text .animated-text.section-3-text span:nth-child(4) { animation-delay: 0.2s; }
        .animate-text .animated-text.section-3-text span:nth-child(5) { animation-delay: 0.25s; }
        .animate-text .animated-text.section-3-text span:nth-child(6) { animation-delay: 0.3s; }
        .animate-text .animated-text.section-3-text span:nth-child(7) { animation-delay: 0.35s; }
        .animate-text .animated-text.section-3-text span:nth-child(8) { animation-delay: 0.4s; }
        .animate-text .animated-text.section-3-text span:nth-child(9) { animation-delay: 0.45s; }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }


/* CSS Document */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            overflow-x: hidden;
            color: #333;
            line-height: 1.6;
        }
        
        /* 通用缓入动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .fade-in-element {
            opacity: 0;
            animation: fadeInUp 1.2s ease forwards;
        }
        
        /* 延迟动画 */
        .delay-1 { animation-delay: 0.2s; }
        .delay-2 { animation-delay: 0.4s; }
        .delay-3 { animation-delay: 0.6s; }
        .delay-4 { animation-delay: 0.8s; }
        
        /* 板块通用样式 */
        section {
            width: 100%;
            position: relative;
            overflow: hidden;
        }
        
        /* 第一板块：全屏banner */
        #banner {
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)), 
                        url('../images/shehui/banner.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding-left: 6%;
        }
        
        .banner-content {
            color: white;
            max-width: 36vw;
        }
        
        .banner-title {
            font-size: 3vw;
            font-weight: 800;
            margin: 13vw 0 1vw 0;
            line-height: 3vw;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        
        .banner-description { margin: 20vw 0 0vw 0;
            font-size: 1.3vw;
            opacity: 0.9;
			text-align: justify;
        }
        
        /* 第二板块 */
        #section-two {
            padding:6vw 6%;
            background-color: #fff;
        }
        
        .two-upper {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            margin:6vw 6% 4vw 6%; width: 88%;
        }
        
        .two-left, .two-right {
            flex: 1;
            min-width: 300px;
        }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 25px;
            color: #2c3e50;
        }
        
        .section-description {width: 95%;
            font-size: 1vw;
            color: #666;
			line-height:2vw;
            margin-bottom: 1.4vw;
        }
        
        .two-right img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 0px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        /* 图片轮播部分 - 修改版：默认显示4张，无缝滚动衔接 */
        .carousel-container {
            position: relative;
            overflow: hidden;
            width: 88%;
            border-radius: 10px;
            margin: 0px 6% 6vw 6%;
        }
        
        .carousel-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        
        .carousel-slide {
            flex: 0 0 25%; /* 默认显示4张，每张占25%宽度 */
            padding: 10px;
            box-sizing: border-box;
        }
        
        .carousel-slide img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            border-radius: 0px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .carousel-btn {
            position: absolute;
            top:43%;
            transform: translateY(-50%);
            background: #d80c18;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
			font-weight:bold;
            font-size: 1.5rem;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            z-index: 10;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }
        
        .carousel-btn:hover {
            background: white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }
        
        .carousel-btn.prev {
            left: 20px;
        }
        
        .carousel-btn.next {
            right: 20px;
        }
        
        /* 第三板块：计划轮播 */
        #section-three {
            padding:6vw 6%;
            background-color: #f4f4f4;
			margin-top: 3vw;
        }
        
        .plans-container {
            display: flex;
            position: relative;
            height: 23vw;
        }
        
        .plan {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 5vw;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.8s ease, visibility 0.8s;
        }
        
        .plan.active {
            opacity: 1;
            visibility: visible;
        }
        
        .plan-image, .plan-content {
            flex: 1;
            min-width: 300px;
        }
        
        .plan-image img {
            width: 100%;
            height: 25vw;
            object-fit: cover;
            border-radius: 0px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .plan-title {
            font-size: 2vw;
            margin-bottom: 2.3vw;
            color: #222;
        }
        
        .plan-description {
            font-size: 1.1vw;
            color: #555;
            margin-bottom:0.3vw;
        }
        
        .plan-features {
            list-style: none;
            margin-bottom: 3vw;
        }
        
        .plan-features li {font-size:1vw;line-height:2vw;color:#666;height: 14.2vw;
            margin-bottom: 10px;
            padding-left: 0px;
            position: relative;
			text-align: justify;
        }
        
        /*.plan-features li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #3498db;
            font-weight: bold;
        }*/
        
        .plan-controls {
            display: flex;
            gap: 15px;
        }
        
        .plan-btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        
        .plan-btn:hover {
            background: #2980b9;
        }
        
        .plan-indicators {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        
        .indicator {
            width: 80px;
            height: 3px;
            border-radius: 0%;
            background: #ddd;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .indicator.active {
            background: #d80c18;
        }
        
        /* 第四板块：背景图浮动文字 */
        #section-four {
            height: 90vh;
            background:url('../images/shehui/ngongyi.jpg');                        
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
			margin-bottom: 6vw;
			margin-top: 0vw;
        }
        
        .floating-text {
                width: 94%;
    text-align: right;
    margin: 0 6% 0 0%;
        }
		
		.floating-text img{width:20vw;margin-bottom:2vw;}
        
        .floating-text h2 {
            font-size: 2.3vw;
    margin-bottom: 4vw;
    font-weight: normal;
    line-height: 3vw;
        }
        
        .floating-text p {
            font-size: 1.1vw;line-height:2.4vw;
            opacity: 0.9;
        }
        
        /* 第五板块：footer - 修改版 */
        footer {            
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 1s ease, transform 1s ease;
        }
        
        footer.visible {
            opacity: 1;
            transform: translateY(0);
        }               
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .carousel-slide {
                flex: 0 0 33.333%; /* 中等屏幕显示3张 */
            }
        }
        
        @media (max-width: 992px) {
            .banner-title {
                font-size: 2.8rem;
            }
            
            .carousel-slide {
                flex: 0 0 50%; /* 小屏幕显示2张 */
            }
        }
        
        @media (max-width: 768px) {
            .banner-title {
                font-size: 2.2rem;
            }
            
            .section-title, .plan-title {
                font-size: 2rem;
            }
            
            .carousel-slide {
                flex: 0 0 100%; /* 手机屏幕显示1张 */
            }
            
            .floating-text h2 {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 576px) {
            .banner-title {
                font-size: 1.8rem;
            }
            
            .section-title, .plan-title {
                font-size: 1.7rem;
            }
            
            .floating-text h2 {
                font-size: 2rem;
            }
            
            .carousel-btn {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
		}


        /* 回到顶部按钮样式 */
        .back-to-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 50px;
            height: 50px;
            background-color: #1177e3;
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, #3a0ca3, #4361ee);;
            transform: translateY(-10px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top i {
            font-size: 18px;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 45px;
                height: 45px;
            }
        }
/* ========== 移动端优化样式（仅影响屏幕宽度 ≤ 768px 的设备）========== */
@media (max-width: 768px) {
    /* 全局调整：改善移动端阅读体验 */
    body {
        font-size: 14px;
        line-height: 1.5;
        overflow-x: hidden;
    }
    
    /* 导航栏移动端适配（配合原有汉堡菜单结构） */
    .caidan {
        position: relative;
        padding: 12px 20px;
        background: #fff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }
    
    .caidan .logo {
        z-index: 1001;
    }
    
    .caidan .logo img {
        max-height: 40px;
        width: auto;
    }
    
    /* 移动端菜单按钮样式（原有checkbox触发，确保显示） */
    .menu-toggle {
        display: block;
        font-size: 24px;
        cursor: pointer;
        color: #333;
        z-index: 1001;
    }
    
    .menu-toggle .fa-times {
        display: none;
    }
    
    #menu-toggle-checkbox:checked ~ .search-container .menu-toggle .fa-bars {
        display: none;
    }
    
    #menu-toggle-checkbox:checked ~ .search-container .menu-toggle .fa-times {
        display: inline-block;
    }
    
    /* 移动端菜单面板 */
    .caidan .menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 20px 30px;
        margin: 0;
        transition: left 0.3s ease;
        z-index: 1000;
        box-shadow: 2px 0 12px rgba(0,0,0,0.1);
        overflow-y: auto;
    }
    
    #menu-toggle-checkbox:checked ~ .menu {
        left: 0;
    }
    
    .caidan .menu li {
        width: 100%;
        margin: 8px 0;
        position: relative;
    }
    
    .caidan .menu a {
        display: block;
        padding: 12px 0;
        font-size: 16px;
        color: #333;
        border-bottom: 1px solid #eee;
    }
    
    /* 子菜单移动端处理 */
    .caidan .menu .submenu {
        position: static;
        background: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .caidan .menu li:hover .submenu,
    .caidan .menu li:focus-within .submenu {
        display: block;
    }
    
    .caidan .menu .submenu li a {
        font-size: 14px;
        padding: 8px 0;
        color: #666;
    }
    
    /* 搜索框移动端调整 */
    .search-container {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .search-box {
        width: 160px;
    }
    
    .search-box input {
        width: 100%;
        padding: 6px 10px;
        font-size: 13px;
    }
    
    /* banner 区域 */
    #banner {
        height: 60vh;
        min-height: 400px;
        padding-left: 5%;
        padding-right: 5%;
    }
    
    .banner-content {
        max-width: 90%;
    }
    
    .banner-title {
        font-size: 6vw;
        line-height: 1.3;
        margin: 8vw 0 2vw;
    }
    
    .banner-description {
        font-size: 3.5vw !important;
        line-height: 1.4;
        margin-top: 10vw !important;
        text-align: left;
    }
    
    /* 第二板块 */
    #section-two {
        padding: 10vw 5%;
    }
    
    .two-upper {
        flex-direction: column;
        gap: 30px;
        margin: 0 0 8vw 0 !important;
        width: 100% !important;
    }
    
    .animated-text {
        font-size: 6vw;
        line-height: 1.3;
        margin-bottom: 5vw;
    }
    
    .section-description {
        font-size: 3.5vw !important;
        line-height: 1.5 !important;
        width: 100% !important;
        margin-bottom: 4vw;
    }
    
    .two-right img {
        height: auto;
        max-height: 280px;
        width: 100%;
        object-fit: cover;
    }
    
    /* 图片轮播（zeren系列） */
    .carousel-container {
        width: 100% !important;
        margin: 6vw 0 !important;
    }
    
    .carousel-slide {
        padding: 5px;
    }
    
    .carousel-slide img {
        height: 180px;
        object-fit: cover;
    }
    
    .carousel-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
        top: 45%;
    }
    
    /* 第三板块：计划轮播 */
    #section-three {
        padding: 10vw 5%;
        margin-top: 5vw;
    }
    
    .plans-container {
        height: auto;
        min-height: 500px;
    }
    
    .plan {
        flex-direction: column;
        gap: 20px;
        position: relative;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .plan.active {
        display: flex;
    }
    
    .plan-image img {
        height: auto;
        max-height: 220px;
        width: 100%;
        object-fit: cover;
    }
    
    .plan-title {
        font-size: 5vw;
        margin-bottom: 3vw;
    }
    
    .plan-description {
        font-size: 3.5vw;
    }
    
    .plan-features li {
        font-size: 3.5vw !important;
        line-height: 1.5 !important;
        height: auto !important;
        margin-bottom: 15px;
    }
    
    .plan-indicators {
        margin-top: 15px;
    }
    
    .indicator {
        width: 40px;
        height: 3px;
    }
    
    /* 第四板块：公益荣誉背景 */
    #section-four {
        height: auto;
        min-height: 60vh;
        padding: 12vw 5%;
        margin-bottom: 8vw;
    }
    
    .floating-text {
        text-align: center;
        margin: 0 auto;
        width: 100%;
    }
    
    .floating-text img {
        width: 45vw;
        margin-bottom: 5vw;
    }
    
    .floating-text p {
        font-size: 3.8vw !important;
        line-height: 1.6;
    }
    
    /* 视频轮播区域 */
    .outer-wrapper {
        padding: 10px 0;
    }
    
    .video-card {
        margin: 0 6px;
    }
    
    .video-controls {
        gap: 16px;
        padding: 10px 0;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
        background-size: 20px !important;
    }
    
    .play-btn {
        background-size: 12px 16px !important;
    }
    
    .index-hint {
        opacity: 1;
        margin-top: 12px;
    }
    
    .dot {
        width: 6px;
        height: 6px;
    }
    
    .dot.active {
        width: 18px;
    }
    
    /* 绿色生产轮播（四个板块） */
    .carousel-container .carousel-item {
        flex-direction: column;
        padding: 20px 16px;
    }
    
    .text-section {
        padding-right: 0;
        text-align: left;
        width: 100%;
    }
    
    .text-section h2 {
        font-size: 5vw;
        margin-bottom: 12px;
    }
    
    .text-section p {
        font-size: 3.8vw !important;
        line-height: 1.5 !important;
        width: 100% !important;
        margin-bottom: 20px;
    }
    
    .progress-bars {
        width: 100%;
        gap: 12px;
        margin-bottom: 20px;
    }
    
    .image-section {
        width: 100%;
        height: auto;
        min-height: 180px;
    }
    
    .image-section img {
        height: auto;
        max-height: 200px;
        width: 100%;
        object-fit: cover;
    }
    
    .carousel-control {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    
    /* 绿色未来 banner 图片模块 */
    .image-container {
        margin-top: 8vw;
        margin-bottom: 0;
    }
    
    .title-text {
        top: 5vw;
        left: 5vw;
        font-size: 6vw;
        letter-spacing: 1px;
    }
    
    /* 页脚移动端布局 */
    footer .f_bg {
        padding: 30px 20px;
    }
    
    .footer {
        flex-direction: column;
        text-align: center;
    }
    
    .f_logo, .f_ban, .f_er {
        float: none;
        width: 100%;
        margin: 0 0 25px 0;
        text-align: center;
    }
    
    .f_logo img {
        max-width: 180px;
        margin: 0 auto;
    }
    
    .f_ban p {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .f_er {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .f_er p {
        width: calc(33% - 15px);
        margin-bottom: 15px;
    }
    
    .f_er img {
        width: 60px;
        height: 60px;
    }
    
    .f_er span {
        font-size: 10px;
        display: block;
        margin-top: 5px;
    }
    
    /* 回到顶部按钮 */
    .back-to-top {
        width: 42px;
        height: 42px;
        bottom: 20px;
        right: 20px;
    }
    
    /* 通用边距调整，防止溢出 */
    section, div, .container {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    img, video {
        max-width: 100%;
        height: auto;
    }
}

/* 超小屏幕设备 (≤576px) 进一步优化 */
@media (max-width: 576px) {
    .banner-description {
        font-size: 4vw !important;
    }
    
    .section-description {
        font-size: 4vw !important;
    }
    
    .animated-text {
        font-size: 7vw;
    }
    
    .plan-title {
        font-size: 6vw;
    }
    
    .plan-features li {
        font-size: 4vw !important;
    }
    
    .text-section h2 {
        font-size: 6vw;
    }
    
    .text-section p {
        font-size: 4vw !important;
    }
    
    .floating-text p {
        font-size: 4vw !important;
    }
    
    .f_er p {
        width: calc(50% - 15px);
    }
    
    .carousel-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .control-btn {
        width: 36px;
        height: 36px;
    }
    
    .search-box {
        width: 130px;
    }
}

/* 确保移动端菜单切换按钮可见（原有样式可能缺失） */
#menu-toggle-checkbox {
    display: none;
}

.menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .caidan .search-container {
        order: 2;
    }
    
    /* 移动端隐藏logo黑色版本，显示白色版本根据背景调整，这里简单处理 */
    .logo-black {
        display: block;
    }
    .logo-white {
        display: none;
    }
}

/* 修复移动端轮播指示器可见性 */
.index-hint {
    opacity: 0; /* 电脑端保持原样 */
}
@media (max-width: 768px) {
    .index-hint {
        opacity: 1;
    }
}