*{
    margin: 0;
    padding: 0;
}
.header{
    width: 100%;
    height: 270px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.header img{
    width: 100%;
}
.content{
    width: 710px;
    margin: 0 auto;
    padding-top: 15px;
}
.head{
    font-size: 34px;
    font-weight: bold;
}
.ct{
    display: flex;
    align-items: center;
    line-height: 1;
    margin: 15px 0;
    padding: 16px;
    background: rgba(140, 140, 140, 0.08);
}
.ct span{
    margin-top: 5px;
    margin-right: 10px;
}
.mllist{
    font-size: 18px;
    font-weight: bold;
    padding: 5px;
    margin: 10px 0;
    border-radius: 4px;
}
.contentbanner{
    width: 100%;

}
.li{
    width: 100%;
    margin-bottom: 10px;
}
.lititle{
    width: 100%;
    height: 34px;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.lititle .text{
    margin-left: 5px;
}
.licontent{
    display: none;
    padding-left: 20px;
    box-sizing: border-box;
}
.licontent img,.licontent video{
    max-width: 90%;
    display: block;
    margin: 0 auto;
}
html.is-ios .lazy-video-wrap{
    display: contents;
}
html.is-ios .lazy-video-play-btn{
    display: none !important;
}
html.is-ios .ios-video-shell{
    position: relative;
    max-width: 90%;
    margin: 0 auto 12px;
    min-height: 200px;
    background: #0f0f10;
    border-radius: 8px;
    overflow: hidden;
}
html.is-ios .ios-video-shell video,
html.is-ios .licontent video,
html.is-ios video.ios-native-video{
    opacity: 1 !important;
    visibility: visible !important;
    position: relative !important;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    min-height: 200px;
    width: 100%;
    background: #000;
}
html.is-ios .ios-video-shell:not(.is-playing) video{
    pointer-events: none;
}
html.is-ios .ios-video-shell.is-playing video{
    pointer-events: auto !important;
}
html.is-ios .ios-video-tap-play{
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    border: none;
    background: rgba(15, 15, 16, 0.55);
    cursor: pointer;
}
html.is-ios .ios-video-shell.is-starting .ios-video-tap-play,
html.is-ios .ios-video-shell.is-playing .ios-video-tap-play{
    display: none;
}
html.is-ios .ios-video-tap-play-icon{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
html.is-ios .ios-video-tap-play-icon::before{
    content: '';
    display: block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-style: solid;
    border-width: 14px 0 14px 24px;
    border-color: transparent transparent transparent #1c1c1e;
}
html.is-ios .ios-video-loading{
    display: none;
    position: absolute;
    inset: 0;
    z-index: 4;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.72);
    color: #fff;
    pointer-events: none;
}
html.is-ios .ios-video-shell.is-loading .ios-video-loading{
    display: flex;
}
html.is-ios .ios-video-spinner{
    width: 42px;
    height: 42px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: #fff;
    border-radius: 50%;
    animation: lazyVideoSpin 0.8s linear infinite;
}
html.is-ios .ios-video-loading-text{
    font-size: 14px;
    line-height: 1.4;
    letter-spacing: 0.04em;
    opacity: 0.92;
}
@media screen and (max-width: 480px) {
    html.is-ios .ios-video-shell,
    html.is-ios .ios-video-shell video{
        min-height: 160px;
    }
    html.is-ios .ios-video-tap-play-icon{
        width: 64px;
        height: 64px;
    }
    html.is-ios .ios-video-tap-play-icon::before{
        margin-left: 5px;
        border-width: 12px 0 12px 20px;
    }
}
.lazy-video-wrap{
    position: relative;
    max-width: 90%;
    margin: 0 auto 12px;
    min-height: 200px;
    background: #1c1c1e;
    border-radius: 8px;
    overflow: hidden;
}
.lazy-video-wrap video{
    width: 100%;
    max-width: 100%;
    min-height: 200px;
    margin: 0;
    background: #1c1c1e;
    vertical-align: middle;
}
/* 未播放（含已预加载）：隐藏 video 画面，避免露出首帧预览 */
.lazy-video-wrap:not(.is-loaded) video{
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.lazy-video-wrap.is-loaded video{
    position: relative;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.lazy-video-play-btn{
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    border: none;
    background: #1c1c1e;
    cursor: pointer;
}
.lazy-video-play-btn:focus{
    outline: none;
}
.lazy-video-play-icon{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
    transition: transform 0.15s ease, background 0.15s ease;
}
.lazy-video-play-icon::before{
    content: '';
    display: block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-style: solid;
    border-width: 14px 0 14px 24px;
    border-color: transparent transparent transparent #1c1c1e;
}
.lazy-video-play-btn:hover .lazy-video-play-icon,
.lazy-video-play-btn:focus .lazy-video-play-icon{
    transform: scale(1.06);
    background: #fff;
}
.lazy-video-wrap.is-loading .lazy-video-play-btn{
    pointer-events: none;
}
.lazy-video-wrap.is-loading .lazy-video-play-icon{
    opacity: 0;
}
.lazy-video-wrap.is-loading::after{
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 3;
    width: 42px;
    height: 42px;
    margin: -21px 0 0 -21px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: #fff;
    border-radius: 50%;
    animation: lazyVideoSpin 0.8s linear infinite;
}
.lazy-video-wrap.is-loaded .lazy-video-play-btn{
    display: none;
}
@keyframes lazyVideoSpin{
    to { transform: rotate(360deg); }
}
@media screen and (max-width: 480px) {
    .lazy-video-wrap video{
        min-height: 160px;
    }
    .lazy-video-play-icon{
        width: 64px;
        height: 64px;
    }
    .lazy-video-play-icon::before{
        margin-left: 5px;
        border-width: 12px 0 12px 20px;
    }
}
.licontent .title{
    margin: 15px 0;
}
.bg1{
    background-color: rgb(255, 211, 211);
}
.bg2{
    background-color: rgb(229, 218, 255);
}
@media screen and (max-width: 480px) {
    .content {
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }
  }