/* 企业案例列表页专用样式 */
:root {
    --cs-deep: #0d2c52;
    --cs-line: #e8edf5;
}

/* 页头 Banner（样式与精益管理页一致） */
.cs-hero {
    position: relative;
    min-height: clamp(320px, 30vw, 420px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #0b1f3f url('../images/case_1.jpg') center / cover no-repeat;
}
.cs-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7, 24, 52, 0.88) 0%, rgba(7, 24, 52, 0.55) 55%, rgba(7, 24, 52, 0.25) 100%);
}
.cs-hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: clamp(48px, 6vw, 90px) var(--gutter);
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 18px;
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.72);
    transition: color 0.3s;
}
.breadcrumb a:hover {
    color: var(--gold);
}
.breadcrumb .current {
    color: #fff;
}
.cs-hero-title {
    font-size: clamp(26px, 3.2vw, 44px);
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 14px;
}
.cs-hero-title em {
    font-style: normal;
    color: var(--gold);
}
.cs-hero-desc {
    max-width: 860px;
    font-size: clamp(14px, 1.3vw, 18px);
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
    margin-bottom: clamp(24px, 3vw, 40px);
}
.cs-hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.cs-btn {
    display: inline-block;
    padding: 9px 26px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 4px;
    color: #fff;
    font-size: 14px;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}
.cs-btn:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: #1a1a1a;
}
@media (max-width: 768px) {
    .cs-hero {
        min-height: 300px;
    }

    /* 小屏改为自上而下遮罩，保证文字压在图上仍清晰 */
    .cs-hero::before {
        background: linear-gradient(180deg, rgba(7, 24, 52, 0.88) 0%, rgba(7, 24, 52, 0.6) 60%, rgba(7, 24, 52, 0.35) 100%);
    }

    .cs-hero-inner {
        padding: 40px var(--gutter);
    }

    .cs-hero-btns .cs-btn {
        flex: 1;
        text-align: center;
    }
}

/* 主体 */
.cs-main {
    background: #f6f7f9;
    padding: clamp(30px, 4vw, 50px) 0 clamp(46px, 5vw, 70px);
}
.cs-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* 工具条 */
.cs-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    background: #fff;
    border: 1px solid var(--cs-line);
    border-radius: 12px;
}
.cs-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.cs-tab {
    font: inherit;
    font-size: 14px;
    color: #555;
    background: #f4f6fa;
    border: 0;
    border-radius: 30px;
    padding: 8px 18px;
    cursor: pointer;
    transition: all 0.3s;
}
.cs-tab:hover {
    color: var(--main);
}
.cs-tab.active {
    background: var(--main);
    color: #fff;
}
.cs-search input {
    font: inherit;
    font-size: 13px;
    color: #333;
    height: 38px;
    width: clamp(180px, 22vw, 260px);
    border: 1px solid #dde4ee;
    border-radius: 6px;
    padding: 0 12px;
    background: #fff;
    outline: none;
    transition: border-color 0.3s;
}
.cs-search input:focus {
    border-color: var(--main);
}
.cs-count {
    font-size: 13px;
    color: #888;
    margin: 16px 2px 18px;
}

/* 案例网格 */
.cs-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 1.6vw, 24px);
}
.cs-card {
    display: flex;
    background: #fff;
    border: 1px solid var(--cs-line);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.cs-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(13, 44, 82, 0.1);
}
.cs-card.is-hide {
    display: none;
}
.cs-card > article {
    display: flex;
    flex-direction: column;
    width: 100%;
}
.cs-media {
    position: relative;
    overflow: hidden;
    background: #eef2f7;
}
.cs-media img {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.5s;
}
.cs-card:hover .cs-media img {
    transform: scale(1.05);
}
.cs-badge {
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 4px 10px;
    background: var(--main);
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
}
.cs-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: clamp(16px, 1.6vw, 24px);
}
.cs-name {
    font-size: clamp(17px, 1.35vw, 20px);
    font-weight: 600;
    color: #16233a;
    line-height: 1.5;
}
.cs-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    font-size: 12px;
    color: #8b95a5;
}
.cs-meta span {
    position: relative;
    padding-right: 10px;
}
.cs-meta span::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    width: 1px;
    height: 10px;
    background: #dfe5ee;
    transform: translateY(-50%);
}
.cs-meta span:last-child {
    padding-right: 0;
}
.cs-meta span:last-child::after {
    display: none;
}
.cs-quote {
    margin: 14px 0 0;
    padding-left: 12px;
    border-left: 3px solid rgba(21, 80, 160, 0.25);
    font-size: clamp(13px, 1.1vw, 15px);
    line-height: 1.9;
    color: #556274;
}
.cs-detail-link {
    align-self: flex-start;
    margin-top: 14px;
    padding: 8px 20px;
    border-radius: 30px;
    background: rgba(21, 80, 160, 0.08);
    color: var(--main);
    font-size: 13px;
    transition: all 0.3s;
}
.cs-detail-link:hover {
    background: var(--main);
    color: #fff;
}
.cs-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 16px;
}
.cs-tag {
    font: inherit;
    font-size: 12px;
    color: #6a7686;
    background: #f4f6fa;
    border: 0;
    border-radius: 4px;
    padding: 5px 12px;
    cursor: pointer;
    transition: all 0.3s;
}
.cs-tag:hover {
    background: var(--main);
    color: #fff;
}
.cs-empty {
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
    color: #8b95a5;
}
.cs-more-wrap {
    margin-top: clamp(20px, 2.4vw, 32px);
    text-align: center;
}
.cs-more {
    font: inherit;
    font-size: 14px;
    color: #fff;
    background: var(--main);
    border: 0;
    border-radius: 30px;
    padding: 11px 40px;
    cursor: pointer;
    transition: background 0.3s;
}
.cs-more:hover {
    background: #0f4c96;
}

/* 合作客户 */
.cs-partners {
    margin-top: clamp(36px, 4.5vw, 64px);
    padding: clamp(26px, 3vw, 44px) clamp(20px, 2.4vw, 40px);
    background: #fff;
    border: 1px solid var(--cs-line);
    border-radius: 12px;
}
.cs-partners-title {
    text-align: center;
    font-size: clamp(18px, 1.7vw, 24px);
    font-weight: 600;
    color: #16233a;
}
.cs-partner-list {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: clamp(12px, 1.6vw, 24px);
    margin: clamp(20px, 2.4vw, 32px) 0 0;
    align-items: center;
}
.cs-partner-list img {
    display: block;
    width: 100%;
    height: auto;
    background: #f7f9fc;
}

/* 咨询引导 */
.cs-cta {
    margin-top: clamp(24px, 2.6vw, 36px);
    padding: clamp(24px, 2.8vw, 40px) clamp(22px, 2.6vw, 44px);
    border-radius: 12px;
    background: linear-gradient(115deg, #0d2c52, var(--main));
}
.cs-cta-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.cs-cta-title {
    font-size: clamp(18px, 1.7vw, 24px);
    font-weight: 500;
    color: #fff;
    line-height: 1.5;
}
.cs-cta-desc {
    margin-top: 10px;
    max-width: 640px;
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.78);
}
.cs-cta-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.cs-cta-phone {
    font-size: clamp(22px, 2.2vw, 30px);
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
}
.cs-cta-btn {
    padding: 11px 34px;
    border-radius: 30px;
    background: var(--gold);
    color: #16233a;
    font-size: 15px;
    transition: transform 0.3s;
}
.cs-cta-btn:hover {
    transform: translateY(-2px);
}

@media (max-width: 1100px) {
    .cs-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .cs-partner-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}
@media (max-width: 700px) {
    .cs-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .cs-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .cs-search input {
        width: 100%;
    }
    .cs-partner-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .cs-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .cs-cta-side {
        align-items: flex-start;
    }
}