/* =========================================
   案例详情页专属样式 (Case Detail)
   ========================================= */

/* 顶部 Banner 区 */
.case-banner {
    background: linear-gradient(90deg, #F3F6FF 0%, #EEEFFF 100%);
    height: 500px;
}

.case-banner-inner {
    padding-top: 124px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.case-banner-content {
    width: 560px;
    padding: 4px 0 0 0;
}

.case-banner-title {
    color: #6C57FF;
    height: 40px;
    line-height: 40px;
    font-size: 32px;
    font-weight: 600;
    margin: 0;
    /* 重置 h1 默认外边距 */
}

.case-banner-desc {
    margin-top: 16px;
    height: 96px;
    line-height: 32px;
    font-size: 16px;
    color: #232323;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-all;
}

.case-metrics {
    margin-top: 24px;
    display: flex;
    column-gap: 48px;
}

.case-free {
    margin-top: 24px;
    width: 144px;
    border-radius: 28px;
    border: 1px solid #6C57FF;
    color: #6C57FF;
    font-size: 16px;
    font-weight: 600;
    height: 48px;
    line-height: 48px;
    text-align: center;
    cursor: pointer;
}

.case-metric-value {
    color: #6C57FF;
    font-size: 24px;
    height: 32px;
    line-height: 32px;
    font-weight: 600;
}

.case-metric-label {
    margin-top: 4px;
    font-size: 14px;
    color: #696969;
    line-height: 24px;
}

.case-banner-image {
    border-radius: 32px;
    width: 540px;
    height: 316px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.case-banner-tag[hidden] {
    display: none;
}

/* 正文内容区 */
.case-content-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 60px;
}

.case-section-title {
    height: 40px;
    line-height: 40px;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    margin-top: 60px;
    /* 默认第一个没有上边距 */
}

.case-section-title.spacing-top {
    margin-top: 48px;
    /* 用于底部带间距的二级标题 */
}

.case-paragraph {
    color: #3E3E3E;
    font-size: 16px;
    margin-bottom: 16px;
    line-height: 32px;
    margin-top: 0;
}

/* 挑战与解决方案区块 */
.case-challenge-box {
    padding: 24px;
    border-radius: 16px;
    display: flex;
}

.case-challenge-box.box-purple {
    background-color: #F6F5FF;
}

.case-challenge-box.box-cyan {
    background-color: #F0FBFC;
    margin-top: 16px;
}

.challenge-col-left {
    width: 360px;
    margin-right: 104px;
}

.challenge-col-right {
    width: 360px;
}

.challenge-icon {
    width: 24px;
    margin-right: 24px;
    display: flex;
    align-items: center;
}

.challenge-title {
    font-size: 16px;
    line-height: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 0;
}

.challenge-title.text-purple {
    color: #6C57FF;
}

.challenge-title.text-cyan {
    color: #00BFD4;
}

.challenge-desc {
    line-height: 24px;
    font-size: 14px;
    color: #232323;
}

/* 详情大图 */
.case-detail-image {
    width: 1000px;
    height: 585px;
    border-radius: 16px;
    display: block;
}

.page-loading-wrapper {
    color: #696969;
    font-size: 14px;
    background-color: #FFFFFF;
}

.page-loading-wrapper>p {
    margin-top: 16px;
    text-align: center;
    line-height: 22px;
}

.detail-skeleton-banner {
    background: linear-gradient(90deg, #F3F6FF 0%, #EEEFFF 100%);
    min-height: 500px;
}

.detail-skeleton-banner__inner {
    padding-top: 124px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.detail-skeleton-banner__content {
    width: 560px;
    padding: 4px 0 0 0;
}

.detail-skeleton-banner__media {
    width: 540px;
    height: 316px;
    border-radius: 32px;
}

.detail-skeleton-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 0;
}

.detail-skeleton-metrics {
    margin-top: 24px;
    display: flex;
    column-gap: 48px;
}

.detail-skeleton-metric {
    flex: 0 0 auto;
}

.detail-skeleton-line,
.detail-skeleton-chip,
.detail-skeleton-banner__media,
.detail-skeleton-image,
.detail-skeleton-challenge__icon {
    display: block;
}

.detail-skeleton-line {
    border-radius: 999px;
}

.detail-skeleton-chip {
    width: 104px;
    height: 24px;
    border-radius: 999px;
}

.detail-skeleton-line--title {
    width: 72%;
    height: 40px;
    margin-top: 20px;
}

.detail-skeleton-line--text {
    width: 100%;
    height: 24px;
    margin-top: 16px;
}

.detail-skeleton-line--text-short {
    width: 82%;
    height: 24px;
    margin-top: 12px;
}

.detail-skeleton-line--metric-value {
    width: 72px;
    height: 32px;
}

.detail-skeleton-line--metric-label {
    width: 120px;
    height: 20px;
    margin-top: 8px;
}

.detail-skeleton-line--section {
    width: 260px;
    height: 40px;
    margin-top: 0;
}

.detail-skeleton-line--paragraph {
    width: 100%;
    height: 20px;
    margin-top: 16px;
}

.detail-skeleton-line--paragraph-short {
    width: 76%;
    height: 20px;
    margin-top: 12px;
}

.detail-skeleton-challenge {
    margin-top: 32px;
    padding: 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    background-color: #F6F5FF;
}

.detail-skeleton-challenge--alt {
    margin-top: 16px;
    background-color: #F0FBFC;
}

.detail-skeleton-challenge__column {
    width: 360px;
}

.detail-skeleton-challenge__column:first-child {
    margin-right: 104px;
}

.detail-skeleton-challenge__icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 24px;
}

.detail-skeleton-line--challenge-title {
    width: 136px;
    height: 22px;
}

.detail-skeleton-line--challenge-text {
    width: 100%;
    height: 18px;
    margin-top: 12px;
}

.detail-skeleton-image {
    width: 100%;
    height: 500px;
    border-radius: 16px;
    margin-top: 24px;
}

.detail-skeleton-shimmer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, #E9EDF8 0%, #F5F7FD 50%, #E9EDF8 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

.detail-skeleton-shimmer::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.52) 50%, rgba(255, 255, 255, 0) 100%);
    transform: translateX(-100%);
    animation: skeleton-sweep 1.4s ease-in-out infinite;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #EEEFFF;
    border-top-color: #6C57FF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

@keyframes skeleton-sweep {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

@media (prefers-reduced-motion: reduce) {

    .detail-skeleton-shimmer,
    .detail-skeleton-shimmer::after,
    .spinner {
        animation: none;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1024px) {
    .case-banner {
        height: auto;
        padding-bottom: 56px;
    }

    .detail-skeleton-banner {
        min-height: 0;
        padding-bottom: 56px;
    }

    .case-banner-inner {
        max-width: none;
        padding: 124px 32px 0;
        flex-direction: column;
        gap: 32px;
    }

    .detail-skeleton-banner__inner {
        max-width: none;
        padding: 124px 32px 0;
        flex-direction: column;
        gap: 32px;
    }

    .case-banner-content,
    .case-banner-image {
        width: 100%;
        object-fit: cover;
    }

    .detail-skeleton-banner__content,
    .detail-skeleton-banner__media {
        width: 100%;
    }

    .case-banner-content {
        padding-top: 0;
    }

    .detail-skeleton-banner__content {
        padding-top: 0;
    }

    .case-banner-title,
    .case-banner-desc,
    .case-section-title {
        height: auto;
    }

    .case-banner-desc {
        -webkit-line-clamp: unset;
    }

    .case-metrics {
        flex-wrap: wrap;
        gap: 20px 32px;
    }



    .detail-skeleton-metrics {
        flex-wrap: wrap;
        gap: 20px 32px;
    }

    .case-banner-image {
        max-width: 720px;
        height: auto;
        aspect-ratio: 540 / 316;
        background-position: center;
        background-size: cover;
    }

    .detail-skeleton-banner__media {
        max-width: 720px;
        height: auto;
        aspect-ratio: 540 / 316;
    }

    .case-content-wrapper {
        max-width: none;
        padding: 0 32px 56px;
    }

    .detail-skeleton-content {
        max-width: none;
        padding: 48px 32px 56px;
    }

    .case-section-title {
        font-size: 28px;
        line-height: 38px;
        margin-top: 48px;
    }

    .case-section-title.spacing-top {
        margin-top: 40px;
    }

    .case-paragraph {
        line-height: 32px;
    }

    .case-challenge-box {
        flex-direction: column;
        gap: 20px;
    }

    .detail-skeleton-challenge {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .challenge-col-left,
    .challenge-col-right {
        width: 100%;
        margin-right: 0;
    }

    .detail-skeleton-challenge__column,
    .detail-skeleton-challenge__column:first-child {
        width: 100%;
        margin-right: 0;
    }

    .challenge-icon {
        width: 100%;
        margin-right: 0;
        justify-content: center;
    }

    .detail-skeleton-challenge__icon {
        width: 48px;
        height: 48px;
        margin: 0 auto;
    }

    .challenge-icon img {
        transform: rotate(90deg);
    }

    .case-detail-image {
        width: 100%;
        height: auto;
    }

    .detail-skeleton-image {
        width: 100%;
        height: auto;
        aspect-ratio: 2 / 1;
    }

    .page-loading-wrapper {
        padding-bottom: 0;
    }
}

@media (max-width: 768px) {
    .case-banner {
        padding-bottom: 40px;
    }

    .detail-skeleton-banner {
        padding-bottom: 40px;
    }

    .case-banner-inner {
        padding: 104px 16px 0;
        gap: 24px;
    }

    .detail-skeleton-banner__inner {
        padding: 104px 16px 0;
        gap: 24px;
    }

    .case-banner-title {
        font-size: 28px;
        line-height: 38px;
    }

    .detail-skeleton-line--title {
        width: 88%;
        height: 38px;
        margin-top: 16px;
    }

    .case-banner-desc {
        margin-top: 12px;
        font-size: 15px;
        line-height: 28px;
    }

    .detail-skeleton-line--text,
    .detail-skeleton-line--text-short {
        height: 22px;
    }

    .case-metrics {
        margin-top: 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .detail-skeleton-metrics {
        margin-top: 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .case-metric-value {
        font-size: 22px;
        line-height: 30px;
        height: auto;
    }

    .case-metric-label {
        line-height: 22px;
    }

    .case-banner-image {
        border-radius: 24px;
    }

    .detail-skeleton-banner__media {
        border-radius: 24px;
    }

    .case-content-wrapper {
        padding: 0 16px 48px;
    }

    .detail-skeleton-content {
        padding: 40px 16px 48px;
    }

    .case-section-title {
        margin-top: 40px;
        margin-bottom: 12px;
        font-size: 24px;
        line-height: 34px;
    }

    .detail-skeleton-line--section {
        width: 180px;
        height: 34px;
    }

    .case-section-title.spacing-top {
        margin-top: 32px;
    }

    .case-paragraph {
        font-size: 15px;
        line-height: 28px;
        margin-bottom: 12px;
    }

    .case-challenge-box {
        padding: 20px 16px;
        border-radius: 14px;
        gap: 16px;
    }

    .detail-skeleton-challenge {
        margin-top: 24px;
        padding: 20px 16px;
        border-radius: 14px;
        gap: 16px;
    }

    .challenge-title {
        font-size: 15px;
        line-height: 26px;
    }

    .challenge-desc {
        font-size: 14px;
        line-height: 24px;
    }

    .case-detail-image {
        border-radius: 14px;
    }

    .detail-skeleton-image {
        border-radius: 14px;
        aspect-ratio: 16 / 9;
    }

    .page-loading-wrapper {
        padding-bottom: 0;
    }
}