.nav-link.item_social {
    color: #e20016;
}
.nav-link.item_social::after {
    width: 100%;
}


/* 区块标题 — 与其他内页一致 */
.about-block__head {
    text-align: center;
    margin-bottom: 40px;
}

.about-block__head .page_line {
    margin-left: auto;
    margin-right: auto;
}

.about-block__head--left {
    text-align: left;
}

.about-block__head--left .page_tit {
    text-align: left;
}

.about-block__head--left .page_line {
    margin-left: 0;
    margin-right: auto;
}

.about-block__head--left .social-model-pillars__sub {
    text-align: left;
}

/* 社会责任子页 — 面包屑吸顶 */
.social-page .about-bread.bread {
    position: sticky;
    top: 88px;
    z-index: 35;
    background: #fff;
}

/* 社会责任模型页 */
.social-model-page {
    background: #f0f0f0;
}

.social-model-page .about-block__head {
    margin-bottom: 32px;
}

.social-model-page .about-block__head--left {
    margin-bottom: 28px;
}

.social-model-page .social-model-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fff 0%, #fff 62%, #f3f3f3 100%);
}

.social-model-hero::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -60px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(216, 12, 30, .07) 0%, transparent 68%);
    pointer-events: none;
}

.social-model-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #e5e5e5 18%, #e5e5e5 82%, transparent 100%);
    pointer-events: none;
}

.social-model-hero__wrap {
    position: relative;
    z-index: 1;
}

.social-model-hero__body {
    display: flex;
    align-items: center;
    gap: 56px;
}

.social-model-hero__visual.reveal {
    transition-delay: 0s;
}

.social-model-hero__content.reveal {
    transition-delay: .1s;
}

.social-model-hero__visual {
    flex: 0 0 38%;
    max-width: 38%;
}

.social-model-hero__imgframe {
    position: relative;
    background: #fff;
    padding: 16px 20px;
    border-radius: 4px;
    border: 1px solid #eee;
    box-shadow: 0 10px 36px rgba(0, 0, 0, .08);
}

.social-model-hero__imgframe img {
    width: 100%;
    display: block;
}

.social-model-hero__content {
    flex: 1;
    min-width: 0;
    background: #fff;
    padding: 36px 40px;
    border-radius: 4px;
    border: 1px solid #eee;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .05);
}

.social-model-hero__quote {
    width: 52px;
    margin-bottom: 14px;
    display: block;
    opacity: .85;
}

.social-model-hero__lead {
    line-height: 1.75;
    color: #d80c1e;
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 3px solid #d80c1e;
}

.social-model-hero__desc {
    line-height: 1.875;
    padding-top: 24px;
    border-top: 1px solid #f0f0f0;
}

.social-model-pillars__sub {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.875;
    text-align: center;
}

.social-model-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    align-items: stretch;
}

.social-model-pillars .social-model-item {
    box-shadow: 0 6px 24px rgba(0, 0, 0, .07);
}

.social-model-grid .social-model-item.reveal:nth-child(1) { transition-delay: 0s; }
.social-model-grid .social-model-item.reveal:nth-child(2) { transition-delay: .08s; }
.social-model-grid .social-model-item.reveal:nth-child(3) { transition-delay: .16s; }
.social-model-grid .social-model-item.reveal:nth-child(4) { transition-delay: .24s; }

.social-model-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    padding: 32px 24px 28px;
    border: 1px solid #f0f0f0;
    border-top: 3px solid #d80c1e;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .05);
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.social-model-item::after {
    content: "";
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(216, 12, 30, .04);
    pointer-events: none;
    transition: transform .35s ease;
}

.social-model-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, .09);
    border-color: #e8e8e8;
}

.social-model-item:hover::after {
    transform: scale(1.2);
}

.social-model-item__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.social-model-item__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #d80c1e;
    flex-shrink: 0;
}

.social-model-item__num {
    color: #d80c1e;
    letter-spacing: 1px;
}

.social-model-item__tit {
    display: block;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.social-model-item__desc {
    display: block;
    flex: 1;
    line-height: 1.85;
    position: relative;
    z-index: 1;
}

.social-model-cta {
    margin-top: 48px;
    padding: 40px 32px;
    background: #fff;
    border-radius: 4px;
    border: 1px solid #eee;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .04);
    text-align: center;
}

.social-model-cta__btn {
    display: inline-block;
    padding: 14px 40px;
    background: #d80c1e;
    color: #fff;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 2px;
    transition: background .3s, transform .3s, box-shadow .3s;
}

.social-model-cta__btn:hover {
    background: #b00a18;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(216, 12, 30, .25);
}

.social-model-intro {
    background: #fff;
}

.social-model-intro__inner {
    display: flex;
    align-items: center;
    gap: 56px;
}

.social-model-intro__img {
    flex: 0 0 42%;
    max-width: 42%;
}

.social-model-intro__img img {
    width: 100%;
    display: block;
}

.social-model-intro__text {
    flex: 1;
}

.social-model-intro__lead {
    font-size: 22px;
    line-height: 1.7;
    font-weight: 700;
    color: #333;
    margin-bottom: 24px;
}

.social-model-intro__desc {
    font-size: 16px;
    line-height: 2;
    color: #666;
}

/* 四大部分 */
.social-model-pillars {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #ebebeb 0%, #f3f3f3 10%, #f8f8f8 100%);
}

.social-model-pillars::before {
    content: "";
    position: absolute;
    left: -80px;
    bottom: 10%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(216, 12, 30, .04);
    pointer-events: none;
}

.social-model-pillars::after {
    content: "";
    position: absolute;
    top: 12%;
    right: -40px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(216, 12, 30, .05) 0%, transparent 70%);
    pointer-events: none;
}

.social-model-pillars > .width1400 {
    position: relative;
    z-index: 1;
}

.social-pillar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.social-pillar-card {
    background: #fff;
    padding: 32px 24px 28px;
    border-top: 3px solid #d80c1e;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
    transition: transform .3s, box-shadow .3s;
}

.social-pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .1);
}

.social-pillar-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(216, 12, 30, .08);
    color: #d80c1e;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.social-pillar-card__tit {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.social-pillar-card__desc {
    font-size: 14px;
    line-height: 1.85;
    color: #666;
}

/* ESG 原则与实践 */
.social-esg-tabs {
    padding-top: 32px;
    padding-bottom: 8px;
    background: #fff;
}

.social-esg-tabs__list {
    display: flex;
    gap: 20px;
}

.social-esg-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    background: #f4f4f4;
    color: #7b7b7b;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .1);
    transition: box-shadow .3s, background .3s, color .3s;
    position: relative;
}

.social-esg-tab:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, .15);
    color: #7b7b7b;
}

.social-esg-tab.active {
    background: #c00000;
    color: #fff;
}

.social-esg-tab.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 10px 10px 0 10px;
    border-style: solid;
    border-color: #c00000 transparent transparent transparent;
}

.social-esg-overview__inner {
    gap: 48px;
    align-items: flex-start;
}

.social-esg-overview__label {
    flex: 0 0 28%;
    max-width: 28%;
    line-height: 1.45;
}

.social-esg-overview__text {
    flex: 1;
    line-height: 1.875;
}

.social-esg-block__tit {
    margin-bottom: 16px;
    line-height: 1.35;
}

.social-esg-block__divider {
    width: 100%;
    height: 2px;
    background: #d70c1e;
    margin-bottom: 40px;
}

.social-esg-block__top {
    gap: 48px;
    align-items: flex-start;
    margin-bottom: 40px;
}

.social-esg-block__quote-col {
    flex: 1;
    min-width: 0;
}

.social-esg-block__quote-icon {
    width: 100px;
    display: block;
    margin-bottom: 16px;
}

.social-esg-block__quote-text {
    line-height: 1.85;
    color: #333;
}

.social-esg-block__strategy-col {
    flex: 1;
    min-width: 0;
}

.social-esg-block__strategy-tit {
    margin-bottom: 16px;
}

.social-esg-block__strategy-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-esg-block__strategy-list li {
    position: relative;
    padding-left: 18px;
    line-height: 1.85;
    color: #666;
    margin-bottom: 10px;
}

.social-esg-block__strategy-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #d80c1e;
}

/* 贡献 SDGs — 对齐象屿集团 ESG 页 contribution 结构（div + CSS） */
.social-esg-sdgs {
    margin-bottom: 32px;
}

.social-esg-sdgs__label {
    margin: 0 0 32px;
    line-height: 1.3;
}

.social-esg-sdgs__row {
    display: flex;
    overflow: hidden;
    width: 100%;
}

.social-esg-sdg-card {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 37px 5%;
    color: #fff;
    box-sizing: border-box;
    aspect-ratio: 323 / 213;
}

.social-esg-sdg-card__head {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    text-align: left;
}

.social-esg-sdg-card__num {
    flex-shrink: 0;
    line-height: 1;
    letter-spacing: -.02em;
}

.social-esg-sdg-card__tit {
    margin: 2px 0 0;
    line-height: 1.35;
}

.social-esg-sdg-card__icon {
    display: block;
    width: clamp(64px, 65%, 145px);
    height: auto;
    margin: auto auto 0;
    color: #fff;
}

/* .social-esg-sdg-card--13 .social-esg-sdg-card__icon,
.social-esg-sdg-card--15 .social-esg-sdg-card__icon,
.social-esg-sdg-card--2 .social-esg-sdg-card__icon,
.social-esg-sdg-card--5 .social-esg-sdg-card__icon,
.social-esg-sdg-card--8 .social-esg-sdg-card__icon,
.social-esg-sdg-card--10 .social-esg-sdg-card__icon {
    width: clamp(72px, 42%, 104px);
} */

.social-esg-sdgs__row--green .social-esg-sdg-card--11 { background: #f5a100; }
.social-esg-sdgs__row--green .social-esg-sdg-card--12 { background: #d29100; }
.social-esg-sdgs__row--green .social-esg-sdg-card--13 { background: #427935; }
.social-esg-sdgs__row--green .social-esg-sdg-card--15 { background: #29a838; }

.social-esg-sdgs__row--cooperation .social-esg-sdg-card--1  { background: #e5001d; }
.social-esg-sdgs__row--cooperation .social-esg-sdg-card--3  { background: #00973a; }
.social-esg-sdgs__row--cooperation .social-esg-sdg-card--2  { background: #b28331; }
.social-esg-sdgs__row--cooperation .social-esg-sdg-card--11 { background: #e89431; }

.social-esg-sdgs__row--people .social-esg-sdg-card--3  { background: #00973a; }
.social-esg-sdgs__row--people .social-esg-sdg-card--5  { background: #e83a18; }
.social-esg-sdgs__row--people .social-esg-sdg-card--8  { background: #911e3f; }
.social-esg-sdgs__row--people .social-esg-sdg-card--10 { background: #dd007a; }

@media only screen and (max-width: 768px) {
    .social-esg-sdgs__label,
    .social-esg-practice-label {
        margin-bottom: 20px;
    }

    .social-esg-sdgs__row {
        flex-wrap: wrap;
    }

    .social-esg-sdg-card {
        flex: 1 1 50%;
        aspect-ratio: auto;
        min-height: 148px;
    }
}

@media only screen and (max-width: 480px) {
    .social-esg-sdg-card {
        flex: 1 1 100%;
        min-height: 132px;
    }
}

.social-esg-practice-label {
    margin: 0 0 24px;
    line-height: 1.3;
}

.social-esg-slider {
    position: relative;
    background: #fafafa;
    border: none;
    border-radius: 4px;
    padding: 36px 72px 64px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
    overflow: hidden;
}

.social-esg-slider::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(216, 12, 30, .05) 0%, transparent 70%);
    pointer-events: none;
}

.social-esg-slider__viewport {
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.social-esg-slider__track {
    display: flex;
    transition: transform .55s cubic-bezier(.4, 0, .2, 1);
}

.social-esg-slide {
    flex: 0 0 100%;
    min-width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: stretch;
    gap: 48px;
}

.social-esg-slide__media {
    flex: 0 0 42%;
    max-width: 42%;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background: #eee;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .1);
}

.social-esg-slide__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, .18) 0%, transparent 45%);
    pointer-events: none;
}

.social-esg-slide__img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    display: block;
    object-fit: cover;
    transition: transform .6s ease;
}

.social-esg-slide:hover .social-esg-slide__img {
    transform: scale(1.03);
}

.social-esg-slide__body {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 8px;
}

.social-esg-slide__index {
    flex-shrink: 0;
    line-height: 1;
    color: rgba(216, 12, 30, .12);
    letter-spacing: -1px;
    user-select: none;
}

.social-esg-slide__content {
    flex: 1;
    min-width: 0;
}

.social-esg-slide__tit {
    margin-bottom: 16px;
    letter-spacing: .5px;
    color: #d80c1e;
}

.social-esg-slide__text {
    line-height: 1.875;
    color: #666;
    margin: 0;
}

.social-esg-slider__prev,
.social-esg-slider__next {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 48px;
    height: 48px;
    margin-top: -36px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: #333;
    font-size: 24px;
    line-height: 48px;
    text-align: center;
    cursor: pointer;
    transition: all .3s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
}

.social-esg-slider__prev {
    left: 16px;
}

.social-esg-slider__next {
    right: 16px;
}

.social-esg-slider__prev:hover,
.social-esg-slider__next:hover {
    background: #d80c1e;
    color: #fff;
    box-shadow: 0 6px 20px rgba(216, 12, 30, .3);
    transform: scale(1.05);
}

.social-esg-slider__dots {
    position: absolute;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    align-items: center;
    z-index: 2;
}

.social-esg-slider__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: #ddd;
    cursor: pointer;
    transition: background .35s ease, transform .35s ease;
}

.social-esg-slider__dot.active {
    background: #d80c1e;
    transform: scale(1.15);
}

.social-esg-slider__footer {
    position: absolute;
    right: 72px;
    bottom: 28px;
    z-index: 2;
    pointer-events: none;
}

.social-esg-slider__counter {
    font-size: 14px;
    font-weight: 700;
    color: #999;
    letter-spacing: 1px;
    white-space: nowrap;
}

.social-esg-slider__current {
    color: #d80c1e;
    font-size: 18px;
}

.social-esg-slider__sep {
    margin: 0 4px;
    color: #ccc;
    font-weight: 400;
}

.social-esg-report {
    background: #f8f8f8;
}

.social-esg-report__inner {
    display: flex;
    gap: 48px;
    align-items: center;
}

.social-esg-report__cover {
    flex: 0 0 282px;
    max-width: 282px;
}

.social-esg-report__cover img {
    width: 100%;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}

.social-esg-report__content {
    flex: 1;
}

.social-esg-report__tit {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 24px;
}

.social-esg-report__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: #d80c1e;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: background .3s;
}

.social-esg-report__btn:hover {
    background: #b00a18;
    color: #fff;
}

@media (max-width: 1024px) {
    .social-pillar-grid,
    .social-model-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .social-model-hero__body {
        flex-direction: column;
        gap: 32px;
    }

    .social-model-hero__visual {
        flex: none;
        max-width: 100%;
        width: 100%;
    }

    .social-model-intro__inner {
        flex-direction: column;
        gap: 32px;
    }

    .social-model-intro__img {
        flex: none;
        max-width: 100%;
        width: 100%;
    }

    .social-esg-overview__inner {
        flex-direction: column;
        gap: 24px;
    }

    .social-esg-overview__label {
        flex: none;
        max-width: 100%;
    }

    .social-esg-block__top {
        flex-direction: column;
        gap: 32px;
    }

    .social-esg-tabs__list {
        flex-direction: column;
        gap: 15px;
    }

    .social-esg-tab {
        padding: 15px;
    }

    .social-esg-report__inner {
        flex-direction: column;
        gap: 32px;
    }

    .social-esg-report__cover {
        flex: none;
        max-width: 220px;
        margin: 0 auto;
    }

    .social-esg-slide {
        gap: 28px;
    }

    .social-esg-slide__media {
        flex: 0 0 40%;
        max-width: 40%;
    }

    .social-esg-slide__img {
        min-height: 240px;
    }

    .social-esg-slider {
        padding: 28px 56px 68px;
    }

    .social-esg-slider__footer {
        right: 56px;
    }
}

@media (max-width: 768px) {
    .social-page .about-bread.bread {
        display: block;
        position: static;
    }

    .social-page .about-bread .item-r {
        display: none;
    }

    .social-model-page .about-block__head,
    .social-model-page .about-block__head--left {
        margin-bottom: 24px;
    }

    .social-model-hero::before {
        width: 260px;
        height: 260px;
        top: -60px;
        right: -40px;
    }

    .social-model-pillars::before,
    .social-model-pillars::after {
        opacity: .6;
    }

    .social-pillar-grid,
    .social-model-grid {
        grid-template-columns: 1fr;
    }

    .social-model-hero__content {
        padding: 28px 24px;
    }

    .social-model-hero__quote {
        width: 44px;
        margin-bottom: 12px;
    }

    .social-model-hero__lead {
        margin-bottom: 20px;
        padding-left: 12px;
    }

    .social-model-hero__desc {
        padding-top: 20px;
    }

    .social-model-hero__imgframe {
        padding: 16px;
    }

    .social-model-grid {
        gap: 20px;
    }

    .social-model-cta {
        margin-top: 36px;
        padding: 32px 24px;
        text-align: center;
    }

    .social-model-item {
        padding: 28px 22px 26px;
    }

    .social-esg-slider {
        padding: 20px 20px 56px;
    }

    .social-esg-slider__footer {
        right: 20px;
        bottom: 20px;
    }

    .social-esg-slide {
        flex-direction: column;
        gap: 20px;
    }

    .social-esg-slide__media {
        flex: none;
        max-width: 100%;
        width: 100%;
    }

    .social-esg-slide__img {
        min-height: 200px;
        aspect-ratio: 16 / 10;
    }

    .social-esg-slide__body {
        flex-direction: column;
        gap: 12px;
        padding-top: 0;
    }

    .social-esg-slider__prev,
    .social-esg-slider__next {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 20px;
        margin-top: -20px;
        top: 28%;
    }

    .social-esg-slider__prev {
        left: 8px;
    }

    .social-esg-slider__next {
        right: 8px;
    }

    .social-esg-slider__dots {
        bottom: 20px;
    }

    .social-model-cta__btn {
        padding: 15px;
    }
}