@CHARSET "UTF-8";

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, dl, dt, dd, ol, ul, li, fieldset, form, label, input, button, select, textarea, img, table, th, td, article, aside, footer, header, hgroup, menu, nav, output, section, summary, time, mark, audio, video, p{padding:0;margin:0;border: 0 none;color: #383838;line-height: 18px;font: 16px Helvetica Neue,Helvetica,PingFang SC,Tahoma,Arial,sans-serif;list-style:none;}
input, textarea, a{outline: none;resize: none;}
a{text-decoration: none;
  -moz-transition: background 0.4s ease-in-out, opacity 0.4s ease-in-out, border 0.4s ease-in-out, color 0.4s ease-in-out, box-shadow 0.4s ease-in-out, border-radius 0.4s ease-in-out, margin 0.4s ease-in-out, width 0.4s ease-in-out, height 0.4s ease-in-out;
  -webkit-transition: background 0.4s ease-in-out, opacity 0.4s ease-in-out, border 0.4s ease-in-out, color 0.4s ease-in-out, box-shadow 0.4s ease-in-out, border-radius 0.4s ease-in-out, margin 0.4s ease-in-out, width 0.4s ease-in-out, height 0.4s ease-in-out;
  -o-transition: background 0.4s ease-in-out, opacity 0.4s ease-in-out, border 0.4s ease-in-out, color 0.4s ease-in-out, box-shadow 0.4s ease-in-out, border-radius 0.4s ease-in-out, margin 0.4s ease-in-out, width 0.4s ease-in-out, height 0.4s ease-in-out;
  -ms-transition: background 0.4s ease-in-out, opacity 0.4s ease-in-out, border 0.4s ease-in-out, color 0.4s ease-in-out, box-shadow 0.4s ease-in-out, border-radius 0.4s ease-in-out, margin 0.4s ease-in-out, width 0.4s ease-in-out, height 0.4s ease-in-out;
  transition: background 0.4s ease-in-out, opacity 0.4s ease-in-out, border 0.4s ease-in-out, color 0.4s ease-in-out，box-shadow 0.4s ease-in-out, border-radius 0.4s ease-in-out, margin 0.4s ease-in-out, width 0.4s ease-in-out, height 0.4s ease-in-out;}
.clr{clear: both;}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f5f5f5;
    font-family: 'Arial', sans-serif;
}
.container {
    position: relative;
    width: 1080px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
}
#preview-image {
    width: 100%;
    display: block;
    cursor: pointer;
    transition: opacity 0.3s;
}
#preview-image:hover {
    opacity: 0.9;
}
#video-container {
    position: relative;
    display: none;
    width: 100%;
}
#video-player {
    width: 100%;
    display: block;
}
.close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: rgba(0,0,0,0.7);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 32px;
    z-index: 10;
    transition: all 0.2s;
    font-weight: 100;
}
.close-btn img{
    width: 42px;
    height: 42px;
    padding: 9px;
}
.close-btn:hover {
    background-color: rgba(255,0,0,0.8);
    transform: scale(1.1);
}
.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(255,255,255,0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
}
.play-icon::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    border-left: 30px solid #333;
    margin-left: 5px;
}
.image-container:hover .play-icon {
    opacity: 1;
}
.image-container {
    position: relative;
}