.central .card {
  margin: 0.5rem 0;
}

.central .title {
  text-align: center;
}

.central .title h1 {
  font-size: 2em;
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
}

.central .little_texts {
  background: #fff;
  padding: 2rem 0;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 12px #ebedf0;
  border: 1px solid rgba(208, 206, 206, 0.6) !important;
}

.central .little_texts .top-title {
  font-size: 1.5rem;
  line-height: 4rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
}

.textOneHide{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4rem;
}

.central .little_texts .info {
  color: #a1a1a1;
}

.central .little_texts .info span {
  font-size: 1.2rem;
  font-family: 'Noto Serif SC', serif;
}

.central .little_texts .info i {
  font-style: normal;
  margin: 0 0.3rem;
}

.little_icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.file {
  width: 90%;
  margin: 1rem 0 2rem;
  text-align: left;
  font-size: 1.2rem;
  line-height: 2.5rem;
  letter-spacing: 0.2rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: 400;
}

.f2 {
  font-size: 2rem !important;
  line-height: 3rem !important;
  width: 100%;
  text-align: center;
  margin-bottom: 1rem;
}

.little_texts img {
  width: 100%;
  height: 100%;
  max-height: 450px;
  object-fit: cover;
  box-shadow: 0 4px 8px 0 rgb(28 31 33 / 15%);
  border-radius: 12px;
  /* border: 1px solid rgba(208, 206, 206, 0.6) !important; */
  margin: 1.5rem 0;
}

.little_texts img:hover {
  /*cursor: pointer;*/
  cursor: url(../cur/hover.cur), pointer;
}

.little_texts a {
  width: 100%;
  text-align: center;
}

.line {
  padding: 1rem 0 1rem;
  border-top: 1px solid #e3e3e3;
  width: 90%;
  text-align: center;
  font-weight: 300;
  letter-spacing: 2px;
  color: #b5b5b5;
}

.line-top {
  margin: 2rem 0;
  border-top: 1px solid #e3e3e3;
  width: 90%;
}

.little_texts h1,
.little_texts h2,
.little_texts h3 {
  position: relative;
  padding: 0.5rem 1rem;
  padding-left: 1.5rem;
  box-sizing: border-box;
  border-radius: .35rem;
  margin: 0.8rem 0;
  font-size: 1.5rem;
  line-height: 1.5em;
  font-weight: 700;
}

.little_texts h1 {
  background: #e5edff;
  color: #007bff;
}

.little_texts h2 {
  background: #f3e7ff;
  color: #7f00ff;
}

.little_texts h3 {

  background: #ffe7ec;
  color: #ff0035;
}

.little_texts h1::before,
.little_texts h2::before,
.little_texts h3::before {
  content: "";
  position: absolute;
  background: #ffffff;
  width: 4px;
  height: 70%;
  border-radius: 10rem;
  top: 50%;
  left: .95rem;
  transform: translate(-50%, -50%);
}

.little_texts h4,
.little_texts h5,
.little_texts h6 {
  font-size: 1.5rem;
  line-height: 1.5em;
  color: #373737;
  font-weight: 700;
  margin: 0.8rem 0;
}

.little_texts h4 {
  border-bottom: 1px solid #bfbfbf;
}

.little_texts h5 {
  border-bottom: 1px dashed #bfbfbf;
}

.little_texts b {
  font-weight: 700;
}

.little_texts s {
  color: #ff9191;
}

.little_texts i {
  font-style: italic;
  color: #575757;
}


.little_texts iframe {
  width: 100%;
  height: 350px;
  border-radius: 25px;
  border: 2px solid #d9d9d9d1;
  box-shadow: 2px 1px 15px rgb(36 37 38 / 44%);
  margin: 20px 0;
}

.little_texts pre {
  display: none;
}

.little_texts default-Code {
  display: none;
}

.little_texts code {
  padding: 0.2rem 0.3rem;
  border-radius: 0.4rem;
  font-size: 1rem;
  color: #ff5916;
  background-color: rgb(255 241 221);
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
  margin: 0 .3rem;
}

.little_texts quote {
  display: block;
  width: 100% !important;
  padding: 1rem;
  border-left: 4px solid #fd7e14;
  border-radius: .35rem;
  color: #fd7e14 !important;
  background-color: rgba(253, 126, 20, .1) !important;
  box-sizing: border-box;
  font-weight: 700;
  line-height: 1.5em;
}

.little_texts hr {
  height: 5px;
  border: none;
  border-top: 4px dotted #ffa1a7;
  text-align: center;
  width: 75%;
  margin: 35px auto;
}

.little_texts video {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0px 6px 20px rgb(122 122 122 / 35%);
}


video::-webkit-media-controls {
    display: none !important;
}

video::-webkit-media-controls-panel {
    display: none !important;
}

.video-container {
    position: relative;
    display: inline-block;
    margin: 1.5rem 0;
}

.play-pause-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgb(255 255 255 / 48%);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 1;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0px 6px 20px rgb(122 122 122 / 35%);
}

.play-pause-btn svg {
    width: 2rem !important;
    height: 2rem !important;
    fill: white;
    margin-left: 5px;
    filter: drop-shadow(10px 10px 15px rgba(0, 0, 0, 0.3));
}

/* 新增的视频控制器样式 */
.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 0 0 1rem 1rem;
}

.video-container:hover .video-controls,
.video-container.show-controls .video-controls {
    opacity: 1;
    pointer-events: all;
}

.video-controls .play-pause-btn {
    position: static;
    transform: none;
    width: 40px;
    height: 40px;
    margin: 0;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: none;
}

.video-controls .play-pause-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.video-controls .play-pause-btn svg {
    width: 1.2rem !important;
    height: 1.2rem !important;
    margin-left: 0;
}

.progress-container {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 3px;
    overflow: hidden;
}

.progress-filled {
    height: 100%;
    background: #4a9eff;
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s ease;
}

.time-display {
    color: white;
    font-size: 12px;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.volume-btn {
    cursor: pointer;
    color: white;
    padding: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    width: 32px;
    height: 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.volume-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.volume-bar {
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.volume-filled {
    height: 100%;
    background: #4a9eff;
    border-radius: 2px;
    width: 100%;
    transition: width 0.1s ease;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .video-controls {
        padding: 12px;
        gap: 12px;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.3));
    }
    
    .volume-container {
        display: none;
    }
    
    .time-display {
        font-size: 11px;
        min-width: 60px;
    }
    
    .progress-container {
        flex: 1;
        height: 8px;
        background: rgba(255, 255, 255, 0.4);
        border-radius: 4px;
        min-width: 120px;
    }
    
    .progress-filled {
        height: 100%;
        background: #4a9eff;
        border-radius: 4px;
    }
    
    .video-controls .play-pause-btn {
        width: 36px;
        height: 36px;
    }
    
    .video-controls .play-pause-btn svg {
        width: 1rem !important;
        height: 1rem !important;
    }
}

/* 拖拽状态样式 */
.progress-container.dragging {
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
}

.progress-container.dragging .progress-filled {
    background: #66b3ff;
}

.progress-thumb {
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    background: #4a9eff;
    border: 1.5px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.2s ease;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

.progress-container:hover .progress-thumb,
.progress-container.dragging .progress-thumb {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}

@media (max-width: 768px) {
    .progress-thumb {
        width: 16px;
        height: 16px;
        opacity: 1;
        border: 2px solid white;
    }
    
    .progress-container.dragging .progress-thumb {
        transform: translate(-50%, -50%) scale(1.3);
        box-shadow: 0 2px 12px rgba(74, 158, 255, 0.4);
    }
    
    .video-container {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: transparent;
    }
    
    .progress-container {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        touch-action: none;
    }
    
    .video-controls {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
}