* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #fff;
        }

        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
        }
        #iframeclass{
            width: 600px!important;
            height:400px!important;
        }
        .header-layout {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 32px;
        }

        .title-section {
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 24px;
            font-weight: bold;
            color: #333;
        }

        .title-underline {
            width: 60px;
            height: 3px;
            background-color: #b91c1c;
            margin-top: 8px;
        }

        .more-link {
            font-size: 14px;
            color: #b91c1c;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
        }

        .content-reveal {
            /* opacity: 0; */
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .content-reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        .gallery-container {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            height: 400px;
        }

        .large-card {
            width: 35%;
            height: 100%;
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .small-cards-container {
            width: 65%;
            height: 100%;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            grid-template-rows: repeat(2, 1fr);
            gap: 20px;
        }
        .large-card:hover {
            transform: translateY(-8px) scale(1.01);
            box-shadow: 0 5px 10px rgb(99 99 99);
        }
        .small-card:hover {
            transform: translateY(-8px) scale(1.01);
            box-shadow: 9px 8px 9px rgb(79 79 79 / 33%);
        }

        .large-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }

        .large-card:hover img {
            transform: scale(1.08);
        }
        .small-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }

        .small-card:hover img {
            transform: scale(1.08);
        }
        .small-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-more {
            text-align: right;
        }
        .large-card > img{
            height:100%;
            width:100%
        }
        
        .small-card > img{
            height:100%;
            width:100%
        }
        @media (min-width: 1280px) { 
            .main-container {
                max-width:1440px;
                margin:0 auto; 
                padding:70px 96px;
                position:relative;
            }
        }
        /* 移动端适配 */
        @media (max-width: 768px) {
            #iframeclass{
                width: 360px;
                height:300px;
            }
            .main-container {
                padding: 30px 8px;
            }

            .header-layout {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-title {
                font-size: 20px;
            }

            .gallery-container {
                flex-direction: column;
                height: auto;
            }

            .large-card, .small-cards-container {
                width: 100%;
                height: auto;
            }

            .small-cards-container {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: auto;
                gap: 15px;
            }

            .small-card {
                height: 200px;
            }

            .card-title {
                font-size: 16px;
            }
        }

        /* 平板适配 */
        @media (min-width: 769px) and (max-width: 1024px) {
            .gallery-container {
                height: 350px;
            }

            .small-card {
                height: 160px;
            }
        }