.f-portfolio-grid__header {
    margin-bottom: 36px;
}

.f-portfolio-grid__tag {
    display: inline-flex;
    margin: 0 0 12px;
    padding: 7px 16px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgb(var(--color-button));
    background: rgba(127, 127, 127, 0.12);
}

.f-portfolio-grid__heading {
    margin: 0;
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 700;
    line-height: 1.15;
    color: currentColor;
}

.f-portfolio-grid__grid {
    display: grid;
    grid-template-columns: repeat(var(--pfg-per-row, 3), minmax(0, 1fr));
    gap: var(--pfg-gap, 20px);
}

.f-portfolio-grid__item {
    min-width: 0;
}

.f-portfolio-grid__media {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4 / 5;
    background: rgba(127, 127, 127, 0.1);
}

.f-portfolio-grid__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.f-portfolio-grid__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transform: translateX(-100%);
    opacity: 0;
    transition: transform 0.55s ease, opacity 0.55s ease;
}

.f-portfolio-grid__content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.55s ease;
}

.f-portfolio-grid__content > * {
    transform: translateX(-24px);
    opacity: 0;
    transition: transform 0.55s ease, opacity 0.55s ease;
}

.f-portfolio-grid__content-tag {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(0, 0, 0, 0.45);
}

.f-portfolio-grid__title {
    position: relative;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
}

.f-portfolio-grid__title-text {
    display: inline;
    background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
    background-repeat: no-repeat, no-repeat;
    background-size: 0% 2px, 0% 2px;
    background-position: 0 1.3em, 0 100%;
    padding-bottom: 2px;
    transition: background-size 0.5s ease 0s, background-size 0.5s ease 0.25s;
}


.f-portfolio-grid__arrow {
    position: absolute;
    right: 18px;
    bottom: 18px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgb(var(--color-button));
    color: #fff;
    transform: translateX(44px);
    opacity: 0;
    transition: transform 0.5s ease 0.1s, opacity 0.5s ease 0.1s;
}

.f-portfolio-grid__arrow svg {
    width: 18px;
    height: 18px;
}

.f-portfolio-grid__caption {
    display: none;
    padding-top: 12px;
}

.f-portfolio-grid__caption-tag {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgb(var(--color-button));
}

.f-portfolio-grid__caption-title {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
    color: currentColor;
}

@media screen and (min-width: 768px) {
    .f-portfolio-grid__card:hover .f-portfolio-grid__overlay {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__content {
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__content > * {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__arrow {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__title:hover .f-portfolio-grid__title-text {
        background-size: 100% 2px, 100% 2px;
    }
}

@media screen and (max-width: 767px) {
    .f-portfolio-grid__grid {
        display: flex;
        flex-direction: column;
        gap: var(--pfg-gap, 20px);
    }

    .f-portfolio-grid__overlay,
    .f-portfolio-grid__content,
    .f-portfolio-grid__arrow {
        display: none;
    }

    .f-portfolio-grid__caption {
        display: block;
    }
}


/* 文字位置与对齐 */
.f-portfolio-grid__content--pos-top {
    justify-content: flex-start;
}

.f-portfolio-grid__content--pos-center {
    justify-content: center;
}

.f-portfolio-grid__content--pos-bottom {
    justify-content: flex-end;
}

.f-portfolio-grid__content--align-left {
    align-items: flex-start;
    text-align: left;
}

.f-portfolio-grid__content--align-center {
    align-items: center;
    text-align: center;
}

.f-portfolio-grid__content--align-right {
    align-items: flex-end;
    text-align: right;
}

.f-portfolio-grid__caption--align-left {
    text-align: left;
}

.f-portfolio-grid__caption--align-center {
    text-align: center;
}

.f-portfolio-grid__caption--align-right {
    text-align: right;
}

.f-portfolio-grid__header {
    margin-bottom: 36px;
}

.f-portfolio-grid__tag {
    display: inline-flex;
    margin: 0 0 12px;
    padding: 7px 16px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgb(var(--color-button));
    background: rgba(127, 127, 127, 0.12);
}

.f-portfolio-grid__heading {
    margin: 0;
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 700;
    line-height: 1.15;
    color: currentColor;
}

.f-portfolio-grid__grid {
    display: grid;
    grid-template-columns: repeat(var(--pfg-per-row, 3), minmax(0, 1fr));
    gap: var(--pfg-gap, 20px);
}

.f-portfolio-grid__item {
    min-width: 0;
}

.f-portfolio-grid__media {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4/5;
    background: rgba(127, 127, 127, 0.1);
}

.f-portfolio-grid__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.f-portfolio-grid__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transform: translateX(-100%);
    opacity: 0;
    transition: transform 0.55s ease, opacity 0.55s ease;
}

.f-portfolio-grid__content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.55s ease;
}

.f-portfolio-grid__content > * {
    transform: translateX(-24px);
    opacity: 0;
    transition: transform 0.55s ease, opacity 0.55s ease;
}

.f-portfolio-grid__content-tag {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(0, 0, 0, 0.45);
}

.f-portfolio-grid__title {
    position: relative;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
}

.f-portfolio-grid__title-text {
    display: inline;
    background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
    background-repeat: no-repeat, no-repeat;
    background-size: 0% 2px, 0% 2px;
    background-position: 0 1.3em, 0 100%;
    padding-bottom: 2px;
    transition: background-size 0.5s ease 0s, background-size 0.5s ease 0.25s;
}

.f-portfolio-grid__arrow {
    position: absolute;
    right: 18px;
    bottom: 18px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgb(var(--color-button));
    color: #fff;
    transform: translateX(44px);
    opacity: 0;
    transition: transform 0.5s ease 0.1s, opacity 0.5s ease 0.1s;
}

.f-portfolio-grid__arrow svg {
    width: 18px;
    height: 18px;
}

.f-portfolio-grid__caption {
    display: none;
    padding-top: 12px;
}

.f-portfolio-grid__caption-tag {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgb(var(--color-button));
}

.f-portfolio-grid__caption-title {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
    color: currentColor;
}

.f-portfolio-grid__content--pos-top {
    justify-content: flex-start;
}

.f-portfolio-grid__content--pos-center {
    justify-content: center;
}

.f-portfolio-grid__content--pos-bottom {
    justify-content: flex-end;
}

.f-portfolio-grid__content--align-left {
    align-items: flex-start;
    text-align: left;
}

.f-portfolio-grid__content--align-center {
    align-items: center;
    text-align: center;
}

.f-portfolio-grid__content--align-right {
    align-items: flex-end;
    text-align: right;
}

.f-portfolio-grid__caption--align-left {
    text-align: left;
}

.f-portfolio-grid__caption--align-center {
    text-align: center;
}

.f-portfolio-grid__caption--align-right {
    text-align: right;
}

@media screen and (min-width: 768px) {
    .f-portfolio-grid__card:hover .f-portfolio-grid__overlay {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__content {
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__content > * {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__card:hover .f-portfolio-grid__arrow {
        transform: translateX(0);
        opacity: 1;
    }

    .f-portfolio-grid__title:hover .f-portfolio-grid__title-text {
        background-size: 100% 2px, 100% 2px;
    }
}

@media screen and (max-width: 767px) {
    .f-portfolio-grid__grid {
        display: flex;
        flex-direction: column;
        gap: var(--pfg-gap, 20px);
    }

    .f-portfolio-grid__overlay, .f-portfolio-grid__content, .f-portfolio-grid__arrow {
        display: none;
    }

    .f-portfolio-grid__caption {
        display: block;
        position: relative;
        z-index: 1;
    }
}