/* 服务页 - 专用样式 */

/* ════════════════════════════════════
   ① 能力总览
   ════════════════════════════════════ */
.sv-card {
    position: relative;
    border: 1px solid #e8edf5;
    background: #fff;
    padding: 30px 26px 26px;
    height: 100%;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}

.sv-card:hover {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.12);
    border-color: rgba(22, 93, 255, 0.25);
}

/* 顶部主题色条（hover 显现） */

.sv-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.sv-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    transition: transform 0.3s;
}

.sv-card-head h3 {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.sv-desc {
    font-size: 13px;
    color: #5a6070;
    line-height: 1.8;
    margin-bottom: 18px;
}

.sv-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 14px;
    border-top: 1px solid #f0f2f5;
}

.sv-tags span {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    transition: transform 0.2s;
}

.sv-tags span:hover {}

/* ════════════════════════════════════
   ② 服务流程（横向时间线）
   ════════════════════════════════════ */
.sv-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    padding-top: 8px;
}

.sv-tl-item {
    position: relative;
    text-align: center;
    padding: 0 10px;
}

/* 时间线节点 */
.sv-tl-icon {
    width: 62px;
    height: 62px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border: 2px solid;
    position: relative;
    z-index: 2;
    border-radius: 50%;
    background: #fff;
}

/* 步骤编号 */
.sv-tl-num {
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(34px);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.05em;
    opacity: 0.55;
}

/* 横向连接线 */
.sv-tl-line {
    position: absolute;
    top: 31px;
    left: calc(50% + 42px);
    right: calc(-50% + 42px);
    height: 2px;
    background: linear-gradient(90deg, rgba(22, 93, 255, 0.35), rgba(139, 92, 246, 0.35));
    z-index: 1;
}

.sv-tl-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}

.sv-tl-item p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
    max-width: 220px;
    margin-left: auto;
    margin-right: auto;
}

/* ════════════════════════════════════
   ③ 技术栈（徽章分组，直接铺在背景上）
   ════════════════════════════════════ */
.sv-stack {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.sv-stack-group {
    padding: 0;
    border: none;
    background: transparent;
}

.sv-stack-group-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 22px;
    padding-left: 4px;
}

.sv-stack-group-title i {
    color: #165DFF;
    font-size: 17px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sv-stack-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.sv-stack-badges a {
    line-height: 0;
    transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
}

.sv-stack-badges a:hover {
    opacity: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
}

.sv-stack-badges img {
    display: inline-block;
}

/* ════════════════════════════════════
   ④ 服务模式
   ════════════════════════════════════ */
.sv-model-card {
    position: relative;
    border: 1px solid #e8edf5;
    background: #fff;
    padding: 30px 24px 26px;
    height: 100%;
    text-align: center;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}

.sv-model-card:hover {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.12);
    border-color: rgba(22, 93, 255, 0.22);
}

/* 底部主题色条（hover 显现） */

.sv-model-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: transform 0.3s;
}

.sv-model-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}

.sv-model-card p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

/* ════════════════════════════════════
   ⑤ 项目案例
   ════════════════════════════════════ */
.sv-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sv-case-card {
    position: relative;
    border: 1px solid #e8edf5;
    background: #fff;
    padding: 32px 26px 26px;
    text-align: center;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}

.sv-case-card:hover {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.12);
    border-color: rgba(22, 93, 255, 0.25);
}

.sv-case-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    transition: transform 0.3s;
}

.sv-case-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.sv-case-card p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.8;
    margin: 0 0 18px;
}

.sv-case-soon {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 4px 14px;
}

/* ════════════════════════════════════
   响应式
   ════════════════════════════════════ */
@media (max-width: 992px) {
    .sv-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 16px;
    }

    .sv-tl-line {
        display: none;
    }

    .sv-case-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .sv-stack {
        gap: 28px;
    }

    .sv-stack-badges {
        gap: 8px;
    }
}

@media (max-width: 576px) {
    .sv-card {
        padding: 24px 18px 20px;
    }

    .sv-timeline {
        grid-template-columns: 1fr;
    }

    .sv-tl-num {
        transform: translateX(0);
        left: auto;
        right: 8px;
        top: -8px;
    }

    .sv-model-card {
        padding: 26px 18px 22px;
    }

    .sv-case-grid {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .sv-card {
        padding: 18px 14px 16px;
    }

    .sv-card-head {
        gap: 10px;
        margin-bottom: 12px;
    }

    .sv-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .sv-card h3 {
        font-size: 15px;
    }

    .sv-card-tags {
        gap: 5px;
    }

    .sv-card-tag {
        font-size: 11px;
        padding: 2px 8px;
    }

    .sv-stack {
        gap: 22px;
    }

    .sv-stack-group-title {
        font-size: 14px;
    }

    .sv-stack-badges {
        gap: 6px;
    }

    .sv-stack-badge img {
        height: 18px;
    }

    .sv-tl-item {
        padding: 22px 14px 18px;
    }

    .sv-tl-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .sv-tl-num {
        font-size: 16px;
        padding: 2px 8px;
    }

    .sv-tl-item h4 {
        font-size: 15px;
    }

    .sv-model-card {
        padding: 20px 14px 18px;
    }

    .sv-model-icon {
        width: 48px;
        height: 48px;
        font-size: 22px;
        margin-bottom: 10px;
    }

    .sv-case-card {
        padding: 20px 16px;
    }

    .sv-case-card h4 {
        font-size: 15px;
    }
}