/* =========================
   客户案例页面独立样式
   文件：cases/cases.cases
   说明：复用 style.cases 的全局变量、页眉、页脚、按钮、容器
   ========================= */

/* 当前页面导航高亮 */
.nav-menu a.active {
    color: var(--primary);
    font-weight: 700;
}

.nav-menu a.active::after {
    width: 100%;
}

/* =========================
   客户案例首屏：背景图片版
   ========================= */
.cases-page-hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    padding: 88px 0 76px;
    overflow: hidden;
    background-image: linear-gradient(
            90deg,
            rgba(247, 250, 255, 0.94) 0%,
            rgba(247, 250, 255, 0.72) 24%,
            rgba(247, 250, 255, 0.20) 43%,
            rgba(247, 250, 255, 0.18) 58%,
            rgba(247, 250, 255, 0.72) 78%,
            rgba(247, 250, 255, 0.96) 100%
    ),
    url("../images/cases-hero.png");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.cases-page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(21, 94, 239, 0.12), transparent 34%),
    radial-gradient(circle at 84% 22%, rgba(0, 166, 214, 0.12), transparent 34%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 45%, rgba(255, 255, 255, 0.10));
    pointer-events: none;
}

.cases-page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(21, 94, 239, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 94, 239, 0.045) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.46) 0%,
            rgba(0, 0, 0, 0.22) 28%,
            transparent 43%,
            transparent 58%,
            rgba(0, 0, 0, 0.22) 74%,
            rgba(0, 0, 0, 0.46) 100%
    );
    pointer-events: none;
}

.cases-page-hero-inner {
    position: relative;
    z-index: 1;
    min-height: 620px;
    display: grid;
    grid-template-columns: 0.88fr 1.1fr 0.92fr;
    align-items: center;
    gap: 26px;
}

.cases-page-copy {
    grid-column: 1;
    width: min(520px, 100%);
    justify-self: start;
    padding: 30px 32px;
    border-radius: 30px;
    /*    background: rgba(255, 255, 255, 0.68);
        border: 1px solid rgba(255, 255, 255, 0.78);*/
    box-shadow: 0 18px 44px rgba(16, 32, 51, 0.08);
    backdrop-filter: blur(14px);
}

.cases-page-visual {
    grid-column: 3;
    width: min(360px, 70%);
    justify-self: end;
    position: relative;
    padding: 26px;
    border-radius: 30px;
    /*    background: rgba(255, 255, 255, 0.70);
        border: 1px solid rgba(255, 255, 255, 0.78);*/
    box-shadow: 0 18px 44px rgba(16, 32, 51, 0.08);
    backdrop-filter: blur(16px);
    overflow: hidden;
}

.cases-page-visual::before {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    background: rgba(21, 94, 239, 0.10);
}

.page-badge {
    display: inline-flex;
    align-items: center;
    height: 34px;
    padding: 0 14px;
    margin-bottom: 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.80);
    border: 1px solid rgba(21, 94, 239, 0.16);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    box-shadow: 0 8px 20px rgba(21, 94, 239, 0.08);
}

.cases-page-copy h1 {
    font-size: clamp(42px, 5vw, 66px);
    line-height: 1.08;
    letter-spacing: -1.6px;
    margin-bottom: 22px;
    color: #081A33;
}

.cases-page-copy p {
    color: #405066;
    font-size: 17px;
}

.cases-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 34px;
}

.cases-visual-title {
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
    color: var(--primary-dark);
    font-size: 20px;
    font-weight: 800;
}

.cases-visual-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.cases-visual-grid div {
    min-height: 76px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(221, 230, 242, 0.92);
    box-shadow: 0 8px 20px rgba(16, 32, 51, 0.06);
}

.cases-visual-grid span {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.06em;
}

.cases-visual-grid strong {
    color: var(--primary-dark);
    font-size: 18px;
}

/* =========================
   案例统计区
   ========================= */
.case-stats-section {
    padding: 52px 0;
    background: #fff;
}

.case-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.case-stat-card {
    min-height: 128px;
    padding: 24px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
    border: 1px solid rgba(221, 230, 242, 0.95);
    box-shadow: 0 12px 28px rgba(16, 32, 51, 0.06);
}

.case-stat-card strong {
    display: block;
    margin-bottom: 10px;
    color: var(--primary-dark);
    font-size: 26px;
    line-height: 1;
}

.case-stat-card span {
    display: block;
    color: var(--text-sub);
    font-size: 14px;
}

/* =========================
   案例分类标签
   ========================= */
.case-filter-section {
    padding: 24px 0;
    background: var(--bg-main);
    border-top: 1px solid rgba(221, 230, 242, 0.8);
    border-bottom: 1px solid rgba(221, 230, 242, 0.8);
}

.case-filter-wrap {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.case-filter-label {
    color: var(--primary-dark);
    font-weight: 800;
    white-space: nowrap;
}

.case-filter-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.case-filter-tags a {
    height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 700;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.case-filter-tags a:hover,
.case-filter-tags a.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
}

/* =========================
   案例列表区
   ========================= */
.case-list-section {
    position: relative;
    padding: 88px 0;
    background: var(--bg-main);
    overflow: hidden;
}

.case-list-section::before {
    content: "";
    position: absolute;
    right: -160px;
    top: 80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(21, 94, 239, 0.08);
    pointer-events: none;
}

.case-list-section::after {
    content: "";
    position: absolute;
    left: -180px;
    bottom: 40px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(0, 166, 214, 0.08);
    pointer-events: none;
}

.cases-section-head,
.case-grid {
    position: relative;
    z-index: 1;
}

.cases-section-head {
    max-width: 760px;
    margin-bottom: 38px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(221, 230, 242, 0.92);
    box-shadow: 0 14px 34px rgba(16, 32, 51, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    border-color: rgba(21, 94, 239, 0.32);
    box-shadow: 0 22px 50px rgba(16, 32, 51, 0.13);
}

.case-card-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
}

.case-card-media {
    position: relative;
    min-height: 100%;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    background: radial-gradient(circle at 20% 20%, rgba(124, 255, 203, 0.18), transparent 34%),
    linear-gradient(135deg, #0B3A91, #155EEF);
    color: #fff;
}

.case-card-media::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.10) 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: 0.5;
}

.small-media {
    min-height: 180px;
}

.media-blue {
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.16), transparent 34%),
    linear-gradient(135deg, #0B3A91, #155EEF);
}

.media-cyan {
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.16), transparent 34%),
    linear-gradient(135deg, #056985, #00A6D6);
}

.media-deep {
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.16), transparent 34%),
    linear-gradient(135deg, #071B36, #0B3A91);
}

.media-light {
    background: radial-gradient(circle at 18% 18%, rgba(21, 94, 239, 0.12), transparent 34%),
    linear-gradient(135deg, #EAF2FF, #FFFFFF);
    color: var(--primary-dark);
}

.case-media-label,
.case-media-title {
    position: relative;
    z-index: 1;
}

.case-media-label {
    display: inline-flex;
    width: fit-content;
    height: 30px;
    align-items: center;
    padding: 0 12px;
    margin-bottom: 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    font-size: 13px;
    font-weight: 800;
}

.media-light .case-media-label {
    background: rgba(21, 94, 239, 0.08);
    border-color: rgba(21, 94, 239, 0.16);
}

.case-media-title {
    font-size: 26px;
    line-height: 1.18;
    font-weight: 900;
}

.case-card-body {
    position: relative;
    min-height: 310px;
    padding: 28px 28px 72px 28px;
}

.case-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.case-card-tags span {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(21, 94, 239, 0.08);
    border: 1px solid rgba(21, 94, 239, 0.14);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 800;
}

.case-card h3 {
    font-size: 22px;
    line-height: 1.32;
    margin-bottom: 12px;
    color: var(--text-main);
}

.case-card p {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 18px;
}

.case-card ul {
    list-style: none;
    display: grid;
    gap: 9px;
    margin-bottom: 24px;
}

.case-card li {
    position: relative;
    padding-left: 18px;
    color: #405066;
    font-size: 14px;
}

.case-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--secondary);
    box-shadow: 0 0 10px rgba(0, 166, 214, 0.45);
}

.case-card-body a {
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 24px;
    height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(21, 94, 239, 0.07);
    border: 1px solid rgba(21, 94, 239, 0.13);
    color: var(--primary);
    font-size: 15px;
    font-weight: 800;
    transition: background 0.25s ease, color 0.25s ease;
}

.case-card-body a span {
    font-size: 18px;
    transition: transform 0.25s ease;
}

.case-card:hover .case-card-body a {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.case-card:hover .case-card-body a span {
    transform: translateX(4px);
}

/* =========================
   案例价值总结
   ========================= */
.case-value-section {
    padding: 88px 0;
    background: #fff;
}

.case-value-inner {
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
    align-items: center;
    gap: 48px;
}

.case-value-content h2 {
    font-size: clamp(30px, 3vw, 42px);
    line-height: 1.2;
    margin-bottom: 16px;
}

.case-value-content p {
    color: var(--text-sub);
    font-size: 17px;
}

.case-value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.case-value-item {
    min-height: 210px;
    padding: 24px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
    border: 1px solid var(--border);
    box-shadow: 0 12px 28px rgba(16, 32, 51, 0.06);
}

.case-value-item span {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 10px;
    margin-bottom: 14px;
    border-radius: 999px;
    background: rgba(21, 94, 239, 0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
}

.case-value-item strong {
    display: block;
    margin-bottom: 10px;
    color: var(--primary-dark);
    font-size: 20px;
}

.case-value-item p {
    color: var(--text-sub);
    font-size: 14px;
}

/* =========================
   行业覆盖
   ========================= */
.case-industry-section {
    padding: 88px 0;
    background: var(--bg-main);
}

.case-industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.case-industry-grid div {
    min-height: 82px;
    padding: 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
    border: 1px solid var(--border);
    color: var(--primary-dark);
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(16, 32, 51, 0.06);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.case-industry-grid div:hover {
    transform: translateY(-5px);
    border-color: rgba(21, 94, 239, 0.32);
}

/* =========================
   咨询转化区
   ========================= */
.cases-cta-section {
    padding: 76px 0;
    background: linear-gradient(135deg, #0B3A91, #155EEF);
    color: #fff;
}

.cases-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.cases-cta-inner h2 {
    font-size: clamp(28px, 3vw, 40px);
    margin-bottom: 8px;
}

.cases-cta-inner p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.84);
}

.cases-cta-section .btn-primary {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
}

/* =========================
   响应式适配
   ========================= */
@media (max-width: 1180px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-card-featured {
        grid-column: span 2;
    }
}

@media (max-width: 1080px) {
    .cases-page-hero-inner,
    .case-value-inner {
        grid-template-columns: 1fr;
    }

    .case-stats-grid,
    .case-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    .cases-page-hero {
        padding: 64px 0 54px;
    }

    .cases-page-copy h1 {
        letter-spacing: -0.8px;
    }

    .cases-page-copy p {
        font-size: 16px;
    }

    .cases-hero-actions {
        flex-direction: column;
    }

    .cases-page-visual {
        padding: 24px;
        border-radius: 24px;
    }

    .cases-visual-grid,
    .case-stats-grid,
    .case-grid,
    .case-value-grid,
    .case-industry-grid {
        grid-template-columns: 1fr;
    }

    .case-list-section,
    .case-value-section,
    .case-industry-section {
        padding: 64px 0;
    }

    .case-card-featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .case-card-body {
        min-height: auto;
        padding: 24px 24px 66px 24px;
    }

    .case-card-body a {
        position: relative;
        left: auto;
        right: auto;
        bottom: auto;
        width: 100%;
        margin-top: 6px;
    }

    .cases-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =========================
   汽车零部件案例卡片背景图
   只作用于：WMS + MES / 汽车零部件行业
   ========================= */
.case-card-media.media-auto-parts {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.76) 0%,
            rgba(11, 58, 145, 0.54) 42%,
            rgba(0, 166, 214, 0.22) 100%
    ),
    url("../images/cases/auto-parts-case-bg.png");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.case-card-media.media-auto-parts::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.22), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(6, 27, 58, 0.12));
    pointer-events: none;
}

.case-card-media.media-auto-parts::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.13);
    pointer-events: none;
}

.case-card-media.media-auto-parts .case-media-label,
.case-card-media.media-auto-parts .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-auto-parts .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.case-card-media.media-auto-parts .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

/* =========================
   电子元件制造案例卡片背景图
   只作用于：ERP + WMS + 立库 / 电子元件制造行业
   ========================= */
.case-card-media.media-electronics {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.70) 0%,
            rgba(11, 58, 145, 0.46) 42%,
            rgba(0, 166, 214, 0.18) 100%
    ),
    url("../images/cases/electronics-case-bg.png");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.case-card-media.media-electronics::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.20), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(6, 27, 58, 0.14));
    pointer-events: none;
}

.case-card-media.media-electronics::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-electronics .case-media-label,
.case-card-media.media-electronics .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-electronics .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.case-card-media.media-electronics .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.30);
}

/* =========================
   精密机械制造案例卡片背景图
   只作用于：ERP + WMS / 精密机械制造行业
   ========================= */
.case-card-media.media-precision-machinery {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.74) 0%,
            rgba(11, 58, 145, 0.48) 42%,
            rgba(0, 166, 214, 0.16) 100%
    ),
    url("../images/cases/precision-machinery-case-bg.png");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.case-card-media.media-precision-machinery::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(6, 27, 58, 0.18));
    pointer-events: none;
}

.case-card-media.media-precision-machinery::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-precision-machinery .case-media-label,
.case-card-media.media-precision-machinery .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-precision-machinery .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.case-card-media.media-precision-machinery .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

/* =========================
   织带制造行业案例卡片背景图
   只作用于：ET-WMS / 织带制造行业
   ========================= */
.case-grid .case-card .case-card-media.media-webbing,
.case-card-media.media-webbing {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.72) 0%,
            rgba(11, 58, 145, 0.46) 42%,
            rgba(0, 166, 214, 0.18) 100%
    ),
    url("../images/cases/webbing-case-bg.png");
    background-size: cover;
    background-position: center 56%;
    background-repeat: no-repeat;
}

.case-grid .case-card .case-card-media.media-webbing::before,
.case-card-media.media-webbing::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(6, 27, 58, 0.18));
    pointer-events: none;
}

.case-grid .case-card .case-card-media.media-webbing::after,
.case-card-media.media-webbing::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-webbing .case-media-label,
.case-card-media.media-webbing .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-webbing .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.case-card-media.media-webbing .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

/* =========================
   工程塑料制造行业案例卡片背景图
   只作用于：ERP + WMS / 工程塑料制造行业
   ========================= */
.case-card-media.media-engineering-plastics {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.72) 0%,
            rgba(11, 58, 145, 0.46) 42%,
            rgba(0, 166, 214, 0.16) 100%
    ),
    url("../images/cases/engineering-plastics-case-bg.png");
    background-size: cover;
    background-position: center 58%;
    background-repeat: no-repeat;
}

.case-card-media.media-engineering-plastics::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(6, 27, 58, 0.18));
    pointer-events: none;
}

.case-card-media.media-engineering-plastics::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-engineering-plastics .case-media-label,
.case-card-media.media-engineering-plastics .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-engineering-plastics .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.case-card-media.media-engineering-plastics .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

/* =========================
   CTU自动化仓储案例卡片背景图
   只作用于：WMS + WCS / CTU自动化仓储
   ========================= */
.case-card-media.media-ctu-warehouse {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.68) 0%,
            rgba(11, 58, 145, 0.44) 42%,
            rgba(0, 166, 214, 0.16) 100%
    ),
    url("../images/cases/ctu-warehouse-case-bg.png");
    background-size: cover;
    background-position: 58% 64%;
    background-repeat: no-repeat;
}

.case-card-media.media-ctu-warehouse::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.20), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(6, 27, 58, 0.18));
    pointer-events: none;
}

.case-card-media.media-ctu-warehouse::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-ctu-warehouse .case-media-label,
.case-card-media.media-ctu-warehouse .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-ctu-warehouse .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.case-card-media.media-ctu-warehouse .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

/* =========================
   汽车零部件行业案例卡片背景图
   只作用于：ET-WMS / 汽车零部件行业
   ========================= */
.case-card-media.media-auto-parts-wms {
    position: relative;
    background-image: linear-gradient(
            135deg,
            rgba(6, 27, 58, 0.70) 0%,
            rgba(11, 58, 145, 0.42) 42%,
            rgba(0, 166, 214, 0.14) 100%
    ),
    url("../images/cases/auto-parts-wms-case-bg.png");
    background-size: cover;
    background-position: 52% center;
    background-repeat: no-repeat;
}

.case-card-media.media-auto-parts-wms::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(6, 27, 58, 0.18));
    pointer-events: none;
}

.case-card-media.media-auto-parts-wms::after {
    content: "";
    position: absolute;
    right: -72px;
    top: -72px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.case-card-media.media-auto-parts-wms .case-media-label,
.case-card-media.media-auto-parts-wms .case-media-title {
    position: relative;
    z-index: 2;
}

.case-card-media.media-auto-parts-wms .case-media-label {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.34);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.case-card-media.media-auto-parts-wms .case-media-title {
    color: #fff;
    text-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}

/* =========================
   客户案例 Hero - 移动端背景图防重叠优化
   只影响平板 / 移动端，不影响网页端
   ========================= */

/* 平板端：修正单列布局后仍占第 1 / 第 3 列的问题 */
@media (max-width: 1080px) {
    .cases-page-hero-inner {
        grid-template-columns: 1fr;
        min-height: auto;
        align-content: start;
        gap: 26px;
    }

    .cases-page-copy,
    .cases-page-visual {
        grid-column: 1;
        width: min(760px, 100%);
        justify-self: start;
    }
}

/* 手机端：背景图下沉，文字和能力卡片在上方 */
@media (max-width: 720px) {
    .cases-page-hero {
        min-height: auto;
        padding: 46px 0 320px;
        background-image: linear-gradient(
                180deg,
                rgba(247, 250, 255, 0.99) 0%,
                rgba(247, 250, 255, 0.98) 40%,
                rgba(247, 250, 255, 0.86) 60%,
                rgba(247, 250, 255, 0.30) 100%
        ),
        url("../images/cases-hero.png");
        background-size: 100% 100%,
        150% auto;
        background-position: center center,
        center bottom;
        background-repeat: no-repeat;
    }

    .cases-page-hero-inner {
        min-height: auto;
        gap: 24px;
    }

    .cases-page-copy {
        padding: 24px;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid rgba(255, 255, 255, 0.76);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .cases-page-copy h1 {
        letter-spacing: -0.8px;
    }

    .cases-page-copy p {
        font-size: 16px;
    }

    .cases-hero-actions {
        flex-direction: column;
    }

    .cases-hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cases-page-visual {
        padding: 22px;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.86);
        border: 1px solid rgba(255, 255, 255, 0.76);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .cases-visual-grid {
        grid-template-columns: 1fr;
    }

    .cases-page-hero::before {
        background: radial-gradient(circle at 18% 14%, rgba(21, 94, 239, 0.12), transparent 34%),
        radial-gradient(circle at 78% 88%, rgba(0, 166, 214, 0.10), transparent 36%);
    }

    .cases-page-hero::after {
        mask-image: linear-gradient(
                180deg,
                rgba(0, 0, 0, 0.34) 0%,
                rgba(0, 0, 0, 0.18) 48%,
                transparent 80%
        );
    }
}