/* 这些零件是怎样一起工作的？ */

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

.parts-story * { box-sizing: border-box; }
.parts-story img { display: block; max-width: 100%; }
.parts-story p { margin: 0 0 12px; }
.parts-story strong { color: var(--article-heading-color); }

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

.parts-story .parts-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;
}

.parts-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;
}

/* 团队成员 */

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

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

.parts-team article > img,
.parts-team__icon {
    width: 66px;
    height: 66px;
    object-fit: contain;
    margin: 0 auto 6px;
}

.parts-team__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 19px;
    background: #eaf3ff;
    color: #0752ff;
    font-size: 28px;
}

.parts-story .parts-team h3 {
    margin: 0 0 4px;
    color: var(--article-heading-color);
    font-size: 14px;
}

.parts-team p {
    margin: 0;
    color: #617296;
    font-size: 11px;
}

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

.parts-key { background: #eaf5ff; }

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

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

.parts-story .parts-key h3 { color: #0752ff; }

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

/* 职责回顾 */

.parts-roles {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 10px;
    margin-top: 14px;
}

.parts-roles article {
    position: relative;
    min-width: 0;
    padding: 15px 14px 14px 70px;
    border: 1px solid #e1ebff;
    border-radius: 14px;
    background: #f9fbff;
}

.parts-roles__label {
    position: absolute;
    left: 13px;
    top: 14px;
    display: inline-flex;
    width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 12px;
    background: #0752ff;
    color: #fff;
    font-size: 11px;
    font-weight: 900;
    text-align: center;
}

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

.parts-roles p {
    margin: 0;
    color: #617296;
    font-size: 12px;
}

.parts-small-note {
    margin-top: 8px !important;
    color: #7382a0;
    font-size: 12px;
}

/* 打开照片 */

.parts-photo-flow {
    display: grid;
    grid-template-columns: 1fr 20px 1fr 20px 1fr 20px 1fr 20px 1fr;
    gap: 4px;
    align-items: center;
    margin-top: 14px;
}

.parts-photo-flow article {
    position: relative;
    min-width: 0;
    min-height: 195px;
    padding: 13px 8px;
    border: 1px solid #e1ebff;
    border-radius: 14px;
    background: #f9fbff;
    text-align: center;
}

.parts-photo-flow__badge {
    position: absolute;
    top: 8px;
    left: 8px;
    display: inline-flex;
    width: 25px;
    height: 25px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #0752ff;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
}

.parts-photo-flow__icon,
.parts-photo-flow article > img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin: 12px auto 7px;
}

.parts-photo-flow__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: #eaf3ff;
    color: #0752ff;
    font-size: 26px;
}

.parts-story .parts-photo-flow h3 {
    margin: 0 0 4px;
    color: var(--article-heading-color);
    font-size: 12px;
}

.parts-photo-flow p {
    margin: 0;
    color: #607296;
    font-size: 10px;
}

.parts-photo-flow__arrow {
    color: #4f82ff;
    font-size: 20px;
    font-weight: 900;
    text-align: center;
}

.parts-note { background: #fff8e5; }

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

.parts-story .parts-note h3 { color: #9a6800; }

/* 游戏协作 */

.parts-game {
    display: grid;
    grid-template-columns: 0.9fr 2fr 0.9fr;
    gap: 12px;
    align-items: center;
    margin-top: 14px;
}

.parts-game__input,
.parts-game__output {
    display: flex;
    min-height: 210px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 14px;
    border-radius: 16px;
    text-align: center;
}

.parts-game__input { background: #f3efff; }
.parts-game__output { background: #eef5ff; }

.parts-game__input > span {
    color: #7654d6;
    font-size: 62px;
}

.parts-game__output img {
    width: 76px;
    height: 76px;
    object-fit: contain;
}

.parts-story .parts-game__input h3,
.parts-story .parts-game__output h3 {
    margin: 8px 0 4px;
    color: var(--article-heading-color);
    font-size: 15px;
}

.parts-game__input p,
.parts-game__output p {
    margin: 0;
    color: #617296;
    font-size: 11px;
}

.parts-game__center {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 9px;
}

.parts-game__center > div {
    display: flex;
    min-height: 105px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 10px;
    border: 1px solid #e1ebff;
    border-radius: 13px;
    background: #f9fbff;
    text-align: center;
}

.parts-game__center img,
.parts-game__center > div > span {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.parts-game__center > div > span {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0752ff;
    font-size: 25px;
}

.parts-game__center strong {
    margin-top: 3px;
    font-size: 12px;
}

.parts-game__center small {
    margin-top: 2px;
    color: #71809f;
    font-size: 9px;
}

.parts-game-loop {
    display: flex;
    gap: 11px;
    align-items: center;
    margin-top: 12px;
    padding: 13px 15px;
    border-radius: 14px;
    background: #eef9f0;
}

.parts-game-loop > span {
    color: #2a9b55;
    font-size: 28px;
}

.parts-game-loop p { margin: 0; }

/* 不是直线 */

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

.parts-real > div {
    min-width: 0;
    padding: 16px;
    border-radius: 15px;
}

.parts-real__simple { background: #eef5ff; }
.parts-real__actual { background: #f3efff; }

.parts-story .parts-real h3 {
    margin: 0 0 10px;
    color: var(--article-heading-color);
    font-size: 15px;
}

.parts-real__simple > div {
    display: flex;
    gap: 7px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.parts-real__simple span {
    padding: 7px 10px;
    border-radius: 10px;
    background: #fff;
    font-weight: 700;
}

.parts-real__simple b { color: #4f82ff; }

.parts-real__network {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 6px;
}

.parts-real__network span {
    padding: 8px 5px;
    border-radius: 9px;
    background: #fff;
    text-align: center;
    font-size: 11px;
    font-weight: 800;
}

.parts-real p {
    margin: 10px 0 0;
    color: #617296;
    font-size: 11px;
}

.parts-warning {
    border: 1px solid #ffd0dc;
    background: #fff2f6;
}

.parts-story .parts-warning h3 { color: #d83265; }

/* 软件与硬件层次 */

.parts-layers {
    max-width: 620px;
    margin: 14px auto 0;
}

.parts-layers > div:not(.parts-layers__arrow) {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 13px 15px;
    border-radius: 14px;
}

.parts-layers__user { background: #fff6df; }
.parts-layers__apps { background: #f3efff; }
.parts-layers__os { background: #eef9f0; }
.parts-layers__hardware { background: #eef5ff; }

.parts-layers > div > span {
    display: inline-flex;
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: #fff;
    color: #0752ff;
    font-size: 24px;
}

.parts-layers strong {
    display: block;
    font-size: 14px;
}

.parts-layers small {
    margin-left: auto;
    color: #71809f;
    font-size: 10px;
}

.parts-layers__arrow {
    padding: 4px 0;
    color: #4f82ff;
    font-size: 22px;
    font-weight: 900;
    text-align: center;
}

.parts-key--final { background: #eaf5ff; }

/* 总结 */

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

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

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

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

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

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

/* 翻页 */

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

.parts-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;
}

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

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

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

.parts-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;
}

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

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

@media (max-width: 900px) {
    .parts-photo-flow {
        grid-template-columns: repeat(2,minmax(0,1fr));
        gap: 9px;
    }

    .parts-photo-flow > .parts-photo-flow__arrow { display: none; }
}

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

    .parts-section { margin-top: 18px; }

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

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

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

    .parts-roles,
    .parts-real {
        grid-template-columns: minmax(0,1fr);
        gap: 8px;
    }

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

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

    .parts-photo-flow {
        grid-template-columns: minmax(0,1fr);
        gap: 7px;
    }

    .parts-photo-flow > .parts-photo-flow__arrow {
        display: block;
        transform: rotate(90deg);
        line-height: 1;
    }

    .parts-photo-flow article {
        min-height: auto;
        padding: 12px 9px;
    }

    .parts-game {
        grid-template-columns: minmax(0,1fr);
        gap: 8px;
    }

    .parts-game__input,
    .parts-game__output {
        min-height: 135px;
    }

    .parts-game__center {
        gap: 7px;
    }

    .parts-layers small {
        margin-left: 0;
        display: block;
    }

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

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

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

    .parts-pagination { gap: 9px; }

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

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

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

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