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

        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            font-size: 14px;
            color: #333;
            line-height: 1.5;
            /* background-color: #f5f5f5; */
            background: linear-gradient(to right, #acecea, #f3d9e4);

        }

        li {
            list-style: none;
        }

        a {
            color: #000;
            text-decoration: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 10px;
        }

        .title {
            background-color: #f4efef;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            position: relative;
        }

        .title h5 {
            text-align: center;
            font-size: 20px;
            margin-bottom: 10px;
        }

        .title a {
            background-color: skyblue;
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 14px;
            position: absolute;
            right: 15px;
            top: 15px;
        }

        .marquee-container {
            overflow: hidden;
            white-space: nowrap;
            padding: 8px 0;
            background-color: rgba(0, 0, 0, 0.05);
            border-radius: 4px;
            margin-top: 10px;
        }

        .video-site {
            width: 100%;
            margin-bottom: 15px;
            position: relative;
            padding-top: 48%; /* 16:9 宽高比 */
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .video-site iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        .video-play {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 15px;
            background-color: #fff;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }

        #jk, #url, #btn {
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
        }

        #jk {
            width: 100%;
        }

        #url {
            width: 100%;
        }

        #btn {
            background-color: orangered;
            color: white;
            border: none;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }

        #btn:hover {
            background-color: #e63e00;
        }

        .section-tip {
            background-color: #f4efef;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            font-size: 14px;
        }

        .section-tip br {
            margin-bottom: 8px;
            display: block;
            content: "";
        }

        .footer {
            background-color: #f4efef;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
        }

        /* 平板和桌面端样式 */
        @media (min-width: 768px) {
            .container {
                padding: 20px;
            }
            
            .video-play {
                flex-direction: row;
                align-items: center;
            }
            
            #jk {
                width: 200px;
            }
            
            #url {
                flex: 1;
            }
            
            #btn {
                width: 120px;
            }
            
            .title h5 {
                font-size: 25px;
            }
        }