/* ============================================================
   关于我们页 - 绿色系工业风（abf 式大图架构，与全站风格一致）
   类名前缀: ab-
   图片均为占位（ab-img），替换为真实图片时改为 <img>
   ============================================================ */

/* ---------- 基础重置（与全站页面保持一致） ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: #fff;
    font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    color: #333;
}

/* ---------- Hero 大图 ---------- */
.ab-hero {
    position: relative;
    background:
        repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 26px),
        linear-gradient(135deg, #0F3D2E 0%, #166534 55%, #1E7A4E 100%);
    padding: 84px 0 78px;
    color: #fff;
    overflow: hidden;
}
.ab-hero::after {
    content: '';
    position: absolute;
    right: -120px;
    top: -120px;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    border: 42px solid rgba(255,255,255,.06);
}
.ab-hero .util-container { position: relative; z-index: 1; }
.ab-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #F59E0B;
    border: 1px solid rgba(245, 158, 11, .55);
    border-radius: 30px;
    padding: 5px 16px;
    margin-bottom: 18px;
    background: rgba(245, 158, 11, .08);
    letter-spacing: 1px;
}
.ab-hero h1 { font-size: 44px; font-weight: 800; letter-spacing: 2px; margin: 0 0 14px; }
.ab-hero p { font-size: 16px; color: rgba(255,255,255,.8); margin: 0; }

/* ---------- 占位图（替换真图时改 <img>） ---------- */
.ab-img {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 14px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1px;
    background:
        repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 24px),
        linear-gradient(160deg, #1E7A4E 0%, #0F3D2E 100%);
    box-shadow: 0 8px 24px rgba(15, 61, 46, .18);
    text-shadow: 0 1px 4px rgba(0,0,0,.25);
}
.ab-img-main {
    display: block;
    width: 530px;
    height: 420px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(15, 61, 46, .18);
}

/* ---------- 通用区块 ---------- */
.ab-section { padding: 64px 0; }
.ab-sec-title {
    font-size: 30px;
    font-weight: 800;
    color: #0F3D2E;
    text-align: center;
    margin: 0 0 42px;
}
.ab-sec-title::after {
    content: '';
    display: block;
    width: 46px;
    height: 3px;
    background: #D97706;
    border-radius: 2px;
    margin: 14px auto 0;
}

/* ---------- 公司介绍：左文右图 ---------- */
.ab-intro { background: #fff; }
.ab-intro-inner {
    display: grid;
    grid-template-columns: 1.05fr 530px;
    gap: 56px;
    align-items: center;
}
.ab-intro-text h2 { font-size: 28px; font-weight: 800; color: #0F3D2E; margin: 0 0 18px; line-height: 1.35; }
.ab-intro-text p { font-size: 14.5px; line-height: 2; color: #555; margin: 0 0 14px; }
.ab-intro-meta {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 26px;
    padding: 0;
}
.ab-intro-meta li {
    background: #F4FAF7;
    border: 1px solid #DCEFE6;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
}
.ab-intro-meta strong { display: block; font-size: 22px; font-weight: 800; color: #166534; }
.ab-intro-meta span { font-size: 12.5px; color: #666; }

/* ---------- 聚焦领域 ---------- */
.ab-sectors { background: #F4FAF7; }
.ab-sec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.ab-sec-card {
    background: #fff;
    border: 1px solid #DCEFE6;
    border-radius: 12px;
    padding: 26px 22px;
    transition: transform .25s, box-shadow .25s;
}
.ab-sec-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(15, 61, 46, .1); }
.ab-sec-num { font-size: 26px; font-weight: 800; color: #D97706; opacity: .85; }
.ab-sec-card h3 { font-size: 18px; font-weight: 800; color: #0F3D2E; margin: 12px 0 8px; }
.ab-sec-card p { font-size: 13.5px; color: #666; line-height: 1.8; margin: 0; }

/* ---------- 数据统计（深绿底金字） ---------- */
.ab-stats {
    background:
        repeating-linear-gradient(135deg, rgba(255,255,255,.03) 0 2px, transparent 2px 26px),
        #0F3D2E;
}
.ab-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 44px 0;
    text-align: center;
    gap: 16px;
}
.ab-stat strong { display: block; font-size: 36px; font-weight: 800; color: #F59E0B; margin-bottom: 6px; }
.ab-stat span { font-size: 14px; color: rgba(255,255,255,.75); }

/* ---------- 库房：左图右文 ---------- */
.ab-wh { background: #fff; }
.ab-wh-inner {
    display: grid;
    grid-template-columns: 555px 1.05fr;
    gap: 56px;
    align-items: center;
}
.ab-wh-imgs { display: grid; grid-template-rows: 300px 190px; gap: 18px; }
.ab-wh-img-main {
    display: block;
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(15, 61, 46, .18);
}
.ab-wh-img-sub {
    display: block;
    width: 100%;
    height: 190px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(15, 61, 46, .18);
}
.ab-wh-text h2 { font-size: 28px; font-weight: 800; color: #0F3D2E; margin: 0 0 18px; }
.ab-wh-text p { font-size: 14.5px; line-height: 2; color: #555; margin: 0 0 14px; }

/* ---------- 合作品牌 ---------- */
.ab-brands { background: #F4FAF7; }
.ab-brand-wall {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px 52px;
}
.ab-brand-item {
    position: relative;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 2px;
    opacity: .8;
}
.ab-brand-auth { display: inline-flex; flex-direction: column; align-items: center; gap: 6px; }
.ab-auth-tag {
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: #D97706;
    border-radius: 20px;
    padding: 2px 10px;
    letter-spacing: 0;
}
.ab-brand-note {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin: 26px 0 0;
}

/* ---------- 联系引导 ---------- */
.ab-cta {
    background: linear-gradient(135deg, #166534 0%, #1E7A4E 100%);
    padding: 44px 0;
}
.ab-cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.ab-cta h2 { font-size: 24px; font-weight: 800; color: #fff; margin: 0 0 6px; }
.ab-cta p { font-size: 14px; color: rgba(255,255,255,.8); margin: 0; }
.ab-cta-btn {
    display: inline-block;
    background: #D97706;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    transition: background .2s;
}
.ab-cta-btn:hover { background: #B45309; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .ab-hero { padding: 56px 0; }
    .ab-hero h1 { font-size: 32px; }
    .ab-intro-inner, .ab-wh-inner { grid-template-columns: 1fr; gap: 36px; }
    .ab-sec-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-section { padding: 44px 0; }
    .ab-img-main { width: 100%; height: auto; }
    .ab-cta-inner { justify-content: center; text-align: center; }
}
@media (max-width: 640px) {
    .ab-sec-grid { grid-template-columns: 1fr; }
    .ab-intro-meta { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .ab-intro-meta strong { font-size: 18px; }
}