.csp-special-exhibition .exhibition-timeline {
    margin: 48px 0;
}

.csp-special-exhibition .exhibition-timeline [hidden] {
    display: none !important;
}

.csp-special-exhibition .exhibition-timeline-title {
    margin-bottom: 12px;
}

.csp-special-exhibition .exhibition-timeline-introduction {
    margin-bottom: 28px;
    color: #4f5d66;
    line-height: 1.8;
}

.csp-special-exhibition .exhibition-timeline-modes {
    display: flex;
    gap: 10px;
    margin-bottom: 28px;
}

.csp-special-exhibition .exhibition-timeline-mode {
    padding: 8px 18px;
    border: 1px solid #2b6a7b;
    border-radius: 4px;
    color: #2b6a7b;
    background: #fff;
}

.csp-special-exhibition .exhibition-timeline-mode[aria-pressed="true"] {
    color: #fff;
    background: #2b6a7b;
}

.csp-special-exhibition .exhibition-timeline-layout {
    display: grid;
    grid-template-columns: minmax(145px, 20%) minmax(0, 1fr);
    gap: 0 16px;
    width: 100%;
}

.csp-special-exhibition .exhibition-timeline-list {
    position: relative;
    grid-column: 1 / -1;
    margin: 0;
    padding: 0;
    list-style: none;
}

.csp-special-exhibition .exhibition-timeline:not(.is-single) .exhibition-timeline-list::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 2px;
    content: "";
    background: #9aaeb6;
}

.csp-special-exhibition .exhibition-timeline-item {
    display: grid;
    grid-template-columns: minmax(145px, 20%) minmax(0, 1fr);
    gap: 16px;
    padding-bottom: 32px;
}

.csp-special-exhibition .exhibition-timeline-item-date {
    position: relative;
}

.csp-special-exhibition .exhibition-timeline-navigation-list {
    position: relative;
    border-left: 2px solid #9aaeb6;
}

.csp-special-exhibition .exhibition-timeline-item-date {
    padding: 16px 12px 0 25px;
}

.csp-special-exhibition .exhibition-timeline-item-date::before,
.csp-special-exhibition .exhibition-timeline-navigation-list li::before {
    position: absolute;
    top: 24px;
    left: -10px;
    width: 18px;
    height: 18px;
    border: 4px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 2px #2b6a7b;
    content: "";
    background: #79aebb;
}

.csp-special-exhibition .exhibition-timeline-date-button {
    padding: 0;
    border: 0;
    color: #2b6a7b;
    font-weight: 700;
    line-height: 1.5;
    text-align: left;
    background: transparent;
    cursor: pointer;
}

.csp-special-exhibition .exhibition-timeline-date-button:hover,
.csp-special-exhibition .exhibition-timeline-date-button:focus-visible,
.csp-special-exhibition .exhibition-timeline-date-button[aria-pressed="true"] {
    color: #164653;
    text-decoration: underline;
}

.csp-special-exhibition .exhibition-timeline-card {
    min-width: 0;
    padding: 32px;
    border: 1px solid #d6e0e3;
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(24, 62, 75, 0.08);
    background: #fff;
}

.csp-special-exhibition .exhibition-timeline-date {
    display: block;
    margin-bottom: 8px;
    color: #2b6a7b;
    font-weight: 700;
}

.csp-special-exhibition .exhibition-timeline-item-title {
    margin: 0 0 14px;
    color: #274a56;
    font-size: 1.35rem;
    line-height: 1.45;
}

.csp-special-exhibition .exhibition-timeline-content {
    color: #39474d;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.csp-special-exhibition .exhibition-timeline-content > :last-child {
    margin-bottom: 0;
}

.csp-special-exhibition .exhibition-timeline-image {
    margin: 24px 0 0;
}

.csp-special-exhibition .exhibition-timeline-image-link {
    display: inline-block;
    width: min(100%, 320px);
    cursor: zoom-in;
}

.csp-special-exhibition .exhibition-timeline-image-link:focus-visible {
    outline: 3px solid #2b6a7b;
    outline-offset: 4px;
}

.csp-special-exhibition .exhibition-timeline-image img {
    display: block;
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: 4px;
}

.csp-special-exhibition .exhibition-timeline-image figcaption {
    margin-top: 8px;
    color: #5b6970;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.csp-special-exhibition .exhibition-timeline-dialog {
    width: min(960px, calc(100vw - 32px));
    max-width: none;
    max-height: calc(100vh - 32px);
    padding: 48px 20px 20px;
    border: 0;
    border-radius: 8px;
    text-align: center;
    background: #fff;
}

.csp-special-exhibition .exhibition-timeline-dialog::backdrop {
    background: rgba(0, 0, 0, 0.8);
}

.csp-special-exhibition .exhibition-timeline-dialog-close {
    position: absolute;
    top: 8px;
    right: 12px;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    color: #274a56;
    background: transparent;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
}

.csp-special-exhibition .exhibition-timeline-dialog-close:focus-visible {
    outline: 3px solid #2b6a7b;
}

.csp-special-exhibition .exhibition-timeline-dialog img {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 150px);
    margin: 0 auto;
    object-fit: contain;
}

.csp-special-exhibition .exhibition-timeline-dialog p {
    margin: 12px 0 0;
    color: #39474d;
    line-height: 1.6;
}

.csp-special-exhibition .exhibition-timeline-navigation-list {
    margin: 0;
    padding: 0 0 0 25px;
    list-style: none;
}

.csp-special-exhibition .exhibition-timeline-navigation-list li {
    position: relative;
    margin: 0 0 22px;
}

.csp-special-exhibition .exhibition-timeline-navigation-list li::before {
    top: 5px;
    left: -35px;
}

.csp-special-exhibition .exhibition-timeline-navigation-title {
    display: block;
    margin-top: 3px;
    color: #39474d;
    font-weight: 400;
}

.csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-navigation {
    grid-column: 1;
}

.csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-list {
    grid-column: 2;
}

.csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-item {
    display: block;
    padding-bottom: 0;
}

.csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-item-date {
    display: none;
}

@media screen and (max-width: 767px) {
    .csp-special-exhibition .exhibition-timeline {
        margin: 32px 0;
    }

    .csp-special-exhibition .exhibition-timeline-layout,
    .csp-special-exhibition .exhibition-timeline-item {
        grid-template-columns: minmax(120px, 30%) minmax(0, 1fr);
        gap: 10px;
    }

    .csp-special-exhibition .exhibition-timeline-card {
        padding: 20px;
    }

    .csp-special-exhibition .exhibition-timeline-item-date {
        padding: 12px 4px 0 14px;
    }

    .csp-special-exhibition .exhibition-timeline-item-date::before {
        left: -9px;
    }

    .csp-special-exhibition .exhibition-timeline-navigation-list {
        padding-left: 14px;
    }

    .csp-special-exhibition .exhibition-timeline-navigation-list li::before {
        left: -24px;
    }
}

@media screen and (max-width: 540px) {
    .csp-special-exhibition .exhibition-timeline:not(.is-single) .exhibition-timeline-list {
        padding-left: 14px;
    }

    .csp-special-exhibition .exhibition-timeline-layout,
    .csp-special-exhibition .exhibition-timeline-item {
        grid-template-columns: 1fr;
    }

    .csp-special-exhibition .exhibition-timeline-item {
        padding-bottom: 26px;
    }

    .csp-special-exhibition .exhibition-timeline-item-date {
        padding-top: 0;
        padding-bottom: 0;
    }

    .csp-special-exhibition .exhibition-timeline-item-date::before {
        top: 4px;
        left: -23px;
    }

    .csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-navigation,
    .csp-special-exhibition .exhibition-timeline.is-single .exhibition-timeline-list {
        grid-column: 1;
    }

    .csp-special-exhibition .exhibition-timeline-navigation-list {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        padding: 0 0 12px;
        border: 0;
    }

    .csp-special-exhibition .exhibition-timeline-navigation-list li {
        flex: 0 0 auto;
        max-width: 180px;
        margin: 0;
    }

    .csp-special-exhibition .exhibition-timeline-navigation-list li::before {
        display: none;
    }
}