/* 为什么照片和视频那么占空间？ */

.media-size-story {
    color: var(--article-text-color);
    font-size: 14px;
    line-height: 1.6;
}

.media-size-story * { box-sizing: border-box; }
.media-size-story img { display: block; max-width: 100%; }
.media-size-story p { margin: 0 0 12px; }
.media-size-story strong { color: var(--article-heading-color); }
.media-size-story code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.media-size-section {
    margin-top: 22px;
    scroll-margin-top: 110px;
}

.media-size-story .media-size-section > h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0 0 8px;
    color: var(--article-heading-color);
    font-size: 20px;
    line-height: 1.35;
    font-weight: 900;
}

.media-size-number {
    display: inline-flex;
    flex: 0 0 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #0752ff;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}

.media-size-key,
.media-size-note,
.media-size-warning {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: 14px;
}

.media-size-key { background: #eaf5ff; }
.media-size-note { background: #fff8e5; }
.media-size-warning {
    border: 1px solid #ffd0dc;
    background: #fff2f6;
}

.media-size-key img,
.media-size-warning img {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    object-fit: contain;
}

.media-size-note__icon {
    display: inline-flex;
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

.media-size-story .media-size-key h3,
.media-size-story .media-size-note h3,
.media-size-story .media-size-warning h3 {
    margin: 0 0 4px;
    font-size: 15px;
}

.media-size-story .media-size-key h3 { color: #0752ff; }
.media-size-story .media-size-note h3 { color: #9a6800; }
.media-size-story .media-size-warning h3 { color: #d83265; }

.media-size-key p,
.media-size-note p,
.media-size-warning p { margin: 0; }

/* 照片像素 */

.media-photo {
    display: grid;
    grid-template-columns: 1fr 55px 1.3fr;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
}

.media-photo__small,
.media-photo__large {
    display: flex;
    min-height: 160px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 14px;
    border-radius: 15px;
    text-align: center;
}

.media-photo__small { background: #eef5ff; }
.media-photo__large { background: #eef9f0; }

.media-photo strong {
    font-size: 23px;
}

.media-photo__small strong { color: #0752ff; }
.media-photo__large strong { color: #2a9b55; }

.media-photo span {
    margin-top: 5px;
    color: #617296;
    font-size: 12px;
    font-weight: 800;
}

.media-photo p {
    margin: 5px 0 0;
    color: #617296;
    font-size: 10px;
}

.media-photo__arrow,
.media-compression__arrow,
.media-video-frames__plus,
.media-similarity__arrow {
    color: #4f82ff;
    font-size: 24px;
    font-weight: 900;
    text-align: center;
}

/* 未压缩计算 */

.media-raw-calc {
    display: grid;
    grid-template-columns: 1fr 40px 1fr 40px 1.3fr;
    gap: 8px;
    align-items: center;
    margin-top: 14px;
}

.media-raw-calc > div {
    display: flex;
    min-height: 145px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 12px;
    border-radius: 14px;
    background: #f7f8fc;
    text-align: center;
}

.media-raw-calc__result { background: #eef9f0 !important; }

.media-raw-calc span {
    color: #617296;
    font-size: 10px;
}

.media-raw-calc strong {
    margin: 5px 0;
    color: #0752ff;
    font-size: 16px;
}

.media-raw-calc__result strong { color: #2a9b55; }

.media-raw-calc small {
    color: #8692a8;
    font-size: 9px;
}

.media-raw-calc > b {
    color: #7485a3;
    font-size: 22px;
    text-align: center;
}

/* 视频帧 */

.media-video-frames {
    display: grid;
    grid-template-columns: 1.8fr 55px .8fr;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
}

.media-video-frames__strip {
    display: grid;
    grid-template-columns: repeat(5,1fr);
    gap: 5px;
    padding: 14px;
    border-radius: 14px;
    background: #eef5ff;
}

.media-video-frames__strip span {
    display: flex;
    min-height: 92px;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: #fff;
    color: #0752ff;
    font-size: 9px;
    font-weight: 800;
    text-align: center;
}

.media-video-frames__audio {
    display: flex;
    min-height: 145px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 14px;
    background: #eef9f0;
}

.media-video-frames__audio i {
    color: #2a9b55;
    font-size: 45px;
}

.media-video-frames__audio strong {
    margin-top: 8px;
    color: #2a9b55;
}

/* fps */

.media-fps,
.media-resolution,
.media-bitrate {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 10px;
    margin-top: 14px;
}

.media-fps article,
.media-resolution article,
.media-bitrate article {
    min-width: 0;
    padding: 14px 10px;
    border: 1px solid #e1ebff;
    border-radius: 14px;
    background: #f9fbff;
    text-align: center;
}

.media-fps article > span,
.media-bitrate article > span {
    display: inline-flex;
    min-width: 84px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: #eaf3ff;
    color: #0752ff;
    font-size: 16px;
    font-weight: 900;
}

.media-fps strong,
.media-resolution strong,
.media-bitrate strong {
    display: block;
    margin-top: 7px;
    font-size: 14px;
}

.media-fps p,
.media-resolution p,
.media-bitrate p {
    margin: 4px 0 0;
    color: #617296;
    font-size: 10px;
}

.media-fps-example {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 12px;
    padding: 13px 15px;
    border-radius: 14px;
    background: #f3efff;
}

.media-fps-example span {
    color: #6049b8;
    font-weight: 900;
}

.media-fps-example code {
    padding: 6px 8px;
    border-radius: 8px;
    background: #fff;
    color: #6049b8;
    font-weight: 800;
}

/* 分辨率 */

.media-resolution article > span {
    display: inline-block;
    margin-top: 4px;
    color: #0752ff;
    font-size: 13px;
    font-weight: 900;
}

/* 压缩 */

.media-compression {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px;
    margin-top: 14px;
}

.media-compression > div {
    display: flex;
    min-height: 180px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 14px;
    border-radius: 15px;
    text-align: center;
}

.media-compression__photo { background: #eef5ff; }
.media-compression__video { background: #eef9f0; }

.media-compression i {
    font-size: 50px;
}

.media-compression__photo i { color: #0752ff; }
.media-compression__video i { color: #2a9b55; }

.media-size-story .media-compression h3 {
    margin: 8px 0 4px;
    color: var(--article-heading-color);
    font-size: 15px;
}

.media-compression p {
    margin: 0;
    color: #617296;
    font-size: 10px;
}

.media-compression small {
    margin-top: 5px;
    color: #8692a8;
    font-size: 9px;
}

.media-similarity {
    display: grid;
    grid-template-columns: 1fr 40px 1fr 1.3fr;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
}

.media-similarity__frame {
    position: relative;
    min-height: 130px;
    border-radius: 13px;
    background: #f7f8fc;
}

.media-similarity__frame > span {
    position: absolute;
    top: 8px;
    left: 8px;
    color: #617296;
    font-size: 9px;
}

.media-similarity__ball {
    position: absolute;
    left: 32%;
    top: 50%;
    width: 34px;
    height: 34px;
    transform: translate(-50%,-50%);
    border-radius: 50%;
    background: #0752ff;
}

.media-similarity__ball.is-moved {
    left: 62%;
}

.media-similarity__idea {
    padding: 14px;
    border-radius: 13px;
    background: #fff8e5;
}

.media-similarity__idea strong {
    color: #9a6800;
    font-size: 13px;
}

.media-similarity__idea p {
    margin: 4px 0 0;
    color: #7c6b3a;
    font-size: 10px;
}

/* 码率 */

.media-bitrate-formula {
    display: flex;
    gap: 11px;
    align-items: center;
    margin-top: 12px;
    padding: 13px 15px;
    border-radius: 14px;
    background: #eef5ff;
}

.media-bitrate-formula > span {
    color: #0752ff;
    font-size: 28px;
}

.media-bitrate-formula p { margin: 0; }

/* 影响因素 */

.media-factors {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 10px;
    margin-top: 14px;
}

.media-factors article {
    min-width: 0;
    padding: 14px 10px;
    border: 1px solid #e1ebff;
    border-radius: 14px;
    background: #f9fbff;
    text-align: center;
}

.media-factors i {
    display: inline-flex;
    width: 60px;
    height: 60px;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: #eaf3ff;
    color: #0752ff;
    font-size: 25px;
}

.media-size-story .media-factors h3 {
    margin: 7px 0 4px;
    color: var(--article-heading-color);
    font-size: 13px;
}

.media-factors p {
    margin: 0;
    color: #617296;
    font-size: 10px;
}

/* 总结 */

.media-size-summary {
    display: flex;
    gap: 12px;
    margin-top: 22px;
    padding: 18px;
    border-radius: 16px;
    background: #e9f3ff;
    scroll-margin-top: 110px;
}

.media-size-summary__icon {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    object-fit: contain;
}

.media-size-story .media-size-summary h2 {
    margin: 0 0 7px;
    color: #0752ff;
    font-size: 19px;
}

.media-size-summary ul {
    margin: 0;
    padding-left: 20px;
    line-height: 1.75;
}

.media-size-summary__next {
    margin: 10px 0 0 !important;
    padding-top: 10px;
    border-top: 1px dashed #b8d3f6;
}

.media-size-summary__next em {
    color: #0752ff;
    font-style: normal;
    font-weight: 800;
}

/* 翻页 */

.media-size-pagination {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin-top: 14px;
}

.media-size-pagination a {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 49%;
    padding: 10px 13px;
    border: 1px solid #d9e7ff;
    border-radius: 12px;
    background: #ffffffb3;
    text-decoration: none;
    box-shadow: 0 3px 10px #c5dbff30;
}

.media-size-pagination a:last-child { text-align: right; }

.media-size-pagination strong {
    display: block;
    color: #0752ff;
    font-size: 16px;
}

.media-size-pagination small {
    display: block;
    color: #576b9f;
    font-size: 12px;
}

.media-size-pagination__arrow {
    display: inline-flex;
    width: 31px;
    height: 31px;
    flex: 0 0 31px;
    align-items: center;
    justify-content: center;
    border: 1px solid #d9e7ff;
    border-radius: 7px;
    color: #0752ff;
    font-size: 22px;
}

.media-size-pagination a:hover { background: #edf4ff; }

.media-size-pagination a:focus-visible {
    outline: 3px solid #0752ff;
    outline-offset: 3px;
}

@media (max-width: 900px) {
    .media-factors {
        grid-template-columns: repeat(2,minmax(0,1fr));
    }

    .media-similarity {
        grid-template-columns: repeat(2,minmax(0,1fr));
    }

    .media-similarity__arrow { display: none; }
}

@media (max-width: 640px) {
    .media-size-story {
        font-size: 12px;
        line-height: 1.6;
    }

    .media-size-section { margin-top: 18px; }

    .media-size-story .media-size-section > h2 {
        gap: 9px;
        margin-bottom: 6px;
        font-size: 16px;
    }

    .media-size-number {
        flex-basis: 31px;
        height: 31px;
        font-size: 14px;
    }

    .media-photo,
    .media-raw-calc,
    .media-video-frames,
    .media-similarity {
        grid-template-columns: minmax(0,1fr);
        gap: 7px;
    }

    .media-photo__arrow,
    .media-video-frames__plus,
    .media-similarity__arrow {
        display: block;
        transform: rotate(90deg);
        line-height: 1;
    }

    .media-raw-calc > b {
        transform: rotate(90deg);
    }

    .media-size-key,
    .media-size-note,
    .media-size-warning {
        gap: 9px;
        padding: 11px 12px;
    }

    .media-size-key img,
    .media-size-warning img,
    .media-size-note__icon {
        width: 44px;
        height: 44px;
        flex-basis: 44px;
    }

    .media-fps,
    .media-resolution,
    .media-bitrate,
    .media-compression {
        grid-template-columns: minmax(0,1fr);
        gap: 8px;
    }

    .media-factors {
        grid-template-columns: repeat(2,minmax(0,1fr));
        gap: 8px;
    }

    .media-size-summary {
        gap: 8px;
        padding: 14px;
    }

    .media-size-summary__icon {
        width: 44px;
        height: 44px;
        flex-basis: 44px;
    }

    .media-size-story .media-size-summary h2 { font-size: 17px; }

    .media-size-pagination { gap: 9px; }

    .media-size-pagination a {
        flex: 1;
        min-width: 0;
        gap: 5px;
        padding: 8px 6px;
    }

    .media-size-pagination strong { font-size: 13px; }

    .media-size-pagination small {
        font-size: 10px;
        line-height: 1.35;
    }

    .media-size-pagination__arrow {
        width: 26px;
        height: 27px;
        flex-basis: 26px;
        font-size: 18px;
    }
}