/* ==========================================================================
   AntCMS web_1 主题 - 关于我们专属样式 (about.css)
   以 H:\gemini\web_1\about.html 为参照物，解耦自包含独立维护
   ========================================================================== */

/* 页面通用布局容器 */
.c {
    width: min(1220px, calc(100% - 32px));
    margin: 0 auto;
}

/* 面包屑导航 */
.bc {
    padding: 18px 0;
    font-size: 13px;
    color: #667085;
}
.bc a {
    color: #475467;
    text-decoration: none;
    transition: color .15s;
}
.bc a:hover {
    color: #0f62fe;
}
.bc .crumb-sep {
    margin: 0 8px;
    color: #98a2b3;
}
.bc .crumb-cur {
    color: #101828;
    font-weight: 600;
}

/* 顶部大幅沉浸式 Hero 视差横幅 */
.hero {
    padding: 10px 0 56px;
}
.hero-wrap {
    position: relative;
    min-height: 500px;
    border-radius: 28px;
    overflow: hidden;
    background: linear-gradient(145deg, #1e3a8a, #0b1220);
    display: flex;
    align-items: flex-end;
    box-shadow: 0 20px 45px rgba(15, 98, 254, 0.12);
}
.hero-wrap:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(8,18,35,.85), rgba(8,18,35,.45) 55%, rgba(8,18,35,.15));
    z-index: 1;
}
.hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    max-width: 720px;
    padding: 56px;
}
.hero-content small,
.eyebrow {
    display: block;
    color: #9ec0ff;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}
.hero-content h1 {
    font-size: 46px;
    line-height: 1.1;
    margin: 10px 0 16px;
    font-weight: 800;
}
.hero-content p {
    margin: 0;
    color: #d6deea;
    font-size: 16px;
    line-height: 1.68;
}

/* 章节通用排版 */
.sec {
    padding: 72px 0;
}
.soft {
    background: #f7f9fc;
}

/* 左右分栏 Split 模块 */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.split.reverse .media {
    order: 2;
}
.split.reverse .text {
    order: 1;
}
.media {
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(145deg, #e7edf5, #bdc8d6);
    aspect-ratio: 4/3;
    position: relative;
    box-shadow: 0 12px 30px rgba(16, 24, 40, 0.06);
}
.media:before {
    content: "FACTORY / WORKSHOP SCENE";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6f7d8f;
    font-weight: 800;
    letter-spacing: .5px;
    font-size: 14px;
}
.media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 2;
    transition: transform .4s ease;
}
.media:hover img {
    transform: scale(1.03);
}

.text h2,
.sh h2 {
    font-size: 34px;
    line-height: 1.2;
    margin: 6px 0 14px;
    color: #101828;
    font-weight: 800;
}
.text p {
    color: #667085;
    margin: 0 0 14px;
    font-size: 15px;
    line-height: 1.7;
}
.text .lead {
    font-size: 18px;
    color: #344054;
    font-weight: 600;
}

/* 核心工艺要点 4 格网格 */
.points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}
.point {
    padding: 14px 16px;
    border-left: 3px solid #0f62fe;
    background: #f8fbff;
    border-radius: 0 12px 12px 0;
    font-size: 13.5px;
    color: #344054;
    font-weight: 600;
}

/* 章节标题 Header */
.sh {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 30px;
}
.sh p {
    max-width: 640px;
    color: #667085;
    margin: 0;
    font-size: 14px;
}

/* 工厂画廊 4 图错落网格 */
.gallery {
    display: grid;
    grid-template-columns: 1.2fr .8fr .8fr;
    grid-template-rows: repeat(2, 240px);
    gap: 16px;
}
.g {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(145deg, #e5ebf2, #bcc6d2);
}
.g:first-child {
    grid-row: 1/3;
}
.g:before {
    content: attr(data-label);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    background: linear-gradient(180deg, transparent 45%, rgba(8,18,35,.75));
    z-index: 2;
}
.g img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.g:hover img {
    transform: scale(1.04);
}

/* 合作流程 Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.step {
    position: relative;
    border-top: 2px solid #d9e4f7;
    padding-top: 20px;
}
.step:before {
    content: "";
    position: absolute;
    left: 0;
    top: -7px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #0f62fe;
    box-shadow: 0 0 0 5px #eaf2ff;
}
.step b {
    display: block;
    color: #0f62fe;
    font-size: 12px;
    font-weight: 900;
    margin-bottom: 7px;
    font-family: Arial, sans-serif;
}
.step strong {
    display: block;
    font-size: 16px;
    color: #101828;
    margin-bottom: 6px;
}
.step span {
    font-size: 13px;
    color: #667085;
    line-height: 1.5;
    display: block;
}

/* 合作客户卡片 */
.clients {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.client {
    border: 1px solid #e4e7ec;
    border-radius: 20px;
    padding: 26px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(16, 24, 40, 0.03);
    transition: transform .2s, box-shadow .2s;
}
.client:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(16, 24, 40, 0.08);
}
.client strong {
    display: block;
    font-size: 19px;
    color: #101828;
    margin-bottom: 8px;
    font-weight: 800;
}
.client p {
    font-size: 13.5px;
    color: #667085;
    margin: 0;
    line-height: 1.6;
}

/* 底部咨询横幅 CTA Band */
.band {
    margin: 0 auto 68px;
    background: linear-gradient(135deg, #0f62fe, #1649a7);
    color: #fff;
    border-radius: 24px;
    padding: 40px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    box-shadow: 0 16px 36px rgba(15, 98, 254, 0.22);
}
.band h2 {
    font-size: 28px;
    margin: 0 0 8px;
    font-weight: 800;
}
.band p {
    margin: 0;
    color: #dbe7ff;
    font-size: 15px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: all .2s;
    white-space: nowrap;
}
.btn-light {
    background: #fff;
    color: #101828;
}
.btn-light:hover {
    background: #f8fbff;
    color: #0f62fe;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 自定义富文本扩展区块 */
.custom-prose {
    margin-top: 40px;
    padding: 36px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid #e4e7ec;
    box-shadow: 0 4px 18px rgba(16, 24, 40, 0.03);
}
.custom-prose img {
    max-width: 100%;
    border-radius: 12px;
    height: auto;
}

/* 响应式断点适配 */
@media(max-width: 1000px) {
    .split {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .split.reverse .media,
    .split.reverse .text {
        order: initial;
    }
    .timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .gallery {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 220px 220px 220px;
    }
    .g:first-child {
        grid-row: auto;
        grid-column: 1/3;
    }
    .clients {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media(max-width: 720px) {
    .c {
        width: calc(100% - 28px);
    }
    .hero {
        padding-bottom: 40px;
    }
    .hero-wrap {
        min-height: 380px;
        border-radius: 20px;
    }
    .hero-content {
        padding: 28px 24px;
    }
    .hero-content h1 {
        font-size: 32px;
    }
    .hero-content p {
        font-size: 14px;
    }
    .sec {
        padding: 48px 0;
    }
    .text h2,
    .sh h2 {
        font-size: 26px;
    }
    .points {
        grid-template-columns: 1fr;
    }
    .gallery {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 200px);
    }
    .g:first-child {
        grid-column: auto;
    }
    .timeline {
        grid-template-columns: 1fr;
    }
    .band {
        margin-bottom: 48px;
        padding: 26px 20px;
        align-items: flex-start;
        flex-direction: column;
    }
    .band h2 {
        font-size: 22px;
    }
}