/* ================================================================
   关于我们页 about_page.css
   设计语言：蓝紫渐变 #2538FF → #8F00FF，与首页 style.css 一致
   ================================================================ */

/* ---------- 通用 ---------- */
/* 内容容器与首页对齐：限宽 1200px 居中，左右留白，不铺满 */
.ab-banner .container,
.ab-intro .container,
.ab-history .container,
.ab-honor .container,
.ab-team .container,
.ab-culture .container,
.ab-cta .container {
    max-width: 1200px;
    margin: auto;
}
.ab-section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #2538FF;
    background: rgba(37,56,255,.08);
    border-radius: 4px;
    padding: 4px 14px;
    margin-bottom: 16px;
}

/* ---------- 1. Banner ---------- */
.ab-banner {
    position: relative;
    min-height: 340px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.ab-banner-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0A1335 0%, #1A2B5C 35%, #1E3A8A 70%, #2538FF 100%);
}
.ab-banner-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 300px at 20% 50%, rgba(143,0,255,.25), transparent),
        radial-gradient(ellipse 500px 400px at 80% 30%, rgba(37,56,255,.30), transparent);
}
.ab-banner-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, transparent 49.5%, rgba(255,255,255,.04) 50%, transparent 50.5%),
        linear-gradient(0deg, transparent 49.5%, rgba(255,255,255,.04) 50%, transparent 50.5%);
    background-size: 60px 60px;
}
.ab-banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}
.ab-banner-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 12px;
    letter-spacing: 2px;
}
.ab-banner-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,.75);
    margin: 0 0 24px;
}
.ab-banner-crumbs {
    font-size: 14px;
    color: rgba(255,255,255,.6);
}
.ab-banner-crumbs a {
    color: rgba(255,255,255,.8);
    text-decoration: none;
    transition: color .2s;
}
.ab-banner-crumbs a:hover { color: #fff; }
.ab-banner-crumbs em { font-style: normal; opacity: .5; }

/* ---------- 2. 公司简介 ---------- */
.ab-intro {
    padding: 70px 0;
    background: #fff;
}
.ab-intro .container {
    max-width: 1200px;
    display: flex;
    gap: 50px;
    align-items: center;
}
.ab-intro-left {
    flex: 0 0 44%;
}
.ab-intro-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(20,50,120,.15);
}
.ab-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}
.ab-intro-right {
    flex: 1;
}
.ab-intro-title {
    font-size: 32px;
    font-weight: 700;
    color: #15181C;
    margin: 0 0 24px;
    line-height: 1.3;
}
.ab-intro-text {
    font-size: 15px;
    line-height: 2;
    color: #555;
    text-align: justify;
    white-space: pre-line;
    margin-bottom: 36px;
}
.ab-intro-text p { margin: 0 0 16px; }
.ab-intro-text p:last-child { margin-bottom: 0; }
.ab-intro-stats {
    display: flex;
    gap: 24px;
}
.ab-stat-item {
    flex: 1;
    text-align: center;
    padding: 28px 12px;
    border-radius: 12px;
    background: linear-gradient(135deg, #F5F7FF 0%, #FAF5FF 100%);
    transition: transform .3s, box-shadow .3s;
}
.ab-stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37,56,255,.12);
}
.ab-stat-num {
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(270deg, #8F00FF 0%, #2538FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ab-stat-unit {
    font-size: 18px;
    margin-left: 2px;
    -webkit-text-fill-color: #2538FF;
}
.ab-stat-label {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
    line-height: 1.4;
}

/* ---------- 3. 发展历程 ---------- */
.ab-history {
    padding: 70px 0;
    background: #F8FAFC;
}
.ab-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 40px;
}
.ab-timeline-line {
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, #2538FF 0%, #8F00FF 100%);
    opacity: .3;
}
.ab-timeline-item {
    position: relative;
    padding-bottom: 40px;
}
.ab-timeline-item:last-child { padding-bottom: 0; }
.ab-timeline-dot {
    position: absolute;
    left: -39px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #2538FF;
    box-shadow: 0 0 0 4px rgba(37,56,255,.12);
    transition: all .3s;
}
.ab-timeline-item:hover .ab-timeline-dot {
    border-color: #8F00FF;
    box-shadow: 0 0 0 6px rgba(143,0,255,.12);
}
.ab-timeline-content {
    background: #fff;
    border-radius: 12px;
    padding: 24px 28px;
    box-shadow: 0 2px 12px rgba(20,50,120,.06);
    transition: box-shadow .3s, transform .3s;
}
.ab-timeline-item:hover .ab-timeline-content {
    box-shadow: 0 8px 30px rgba(20,50,120,.12);
    transform: translateX(4px);
}
.ab-timeline-year {
    display: inline-block;
    font-size: 20px;
    font-weight: 700;
    color: #2538FF;
    margin-bottom: 6px;
}
.ab-timeline-title {
    font-size: 17px;
    font-weight: 600;
    color: #15181C;
    margin: 0 0 8px;
}
.ab-timeline-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

/* ---------- 4. 荣誉资质 ---------- */
.ab-honor {
    padding: 70px 0;
    background: #fff;
}
.ab-honor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
}
.ab-honor-item {
    text-align: center;
    transition: transform .3s;
}
.ab-honor-item:hover { transform: translateY(-6px); }
.ab-honor-image {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F8FAFC;
    border-radius: 12px;
    padding: 20px;
    box-sizing: border-box;
    transition: box-shadow .3s;
}
.ab-honor-item:hover .ab-honor-image {
    box-shadow: 0 8px 24px rgba(20,50,120,.10);
}
.ab-honor-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.ab-honor-label {
    margin-top: 14px;
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    font-weight: 500;
}
.ab-honor-label em {
    font-style: normal;
    font-size: 18px;
    font-weight: 700;
}

/* ---------- 5. 团队实力 ---------- */
.ab-team {
    padding: 70px 0;
    background: #F8FAFC;
}
.ab-team-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ab-team-photo {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 4px 16px rgba(20,50,120,.08);
    transition: transform .3s, box-shadow .3s;
}
.ab-team-photo:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(20,50,120,.15);
}
.ab-team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- 6. 企业文化 ---------- */
.ab-culture {
    padding: 70px 0;
    background: #fff;
}
.ab-culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.ab-culture-item {
    text-align: center;
    padding: 36px 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, #F8FAFF 0%, #FAF5FF 100%);
    transition: transform .3s, box-shadow .3s;
}
.ab-culture-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(37,56,255,.10);
}
.ab-culture-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.ab-culture-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #15181C;
    margin: 0 0 12px;
}
.ab-culture-item p {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
    margin: 0;
}

/* ---------- 7. 联系我们 CTA ---------- */
.ab-cta {
    padding: 70px 0;
    background: #F8FAFC;
}
.ab-cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 48px 60px;
    border-radius: 20px;
    background: linear-gradient(135deg, #1A2B5C 0%, #2538FF 50%, #5B2DD6 100%);
    box-shadow: 0 20px 60px rgba(37,56,255,.20);
    overflow: hidden;
    position: relative;
}
.ab-cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(143,0,255,.25), transparent 70%);
}
.ab-cta-left { position: relative; z-index: 1; }
.ab-cta-left h2 {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
}
.ab-cta-left p {
    font-size: 16px;
    color: rgba(255,255,255,.8);
    margin: 0;
}
.ab-cta-right {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}
.ab-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all .3s;
    white-space: nowrap;
}
.ab-cta-btn {
    background: #fff;
    color: #2538FF;
}
.ab-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.ab-cta-btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.5);
}
.ab-cta-btn-outline:hover {
    background: rgba(255,255,255,.1);
    border-color: #fff;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width: 992px) {
    .ab-banner { min-height: 260px; }
    .ab-banner-title { font-size: 32px; }
    .ab-intro .container { flex-direction: column; }
    .ab-intro-left { flex: unset; width: 100%; }
    .ab-intro-right { width: 100%; }
    .ab-intro-title { font-size: 26px; }
    .ab-culture-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-team-photos { grid-template-columns: repeat(2, 1fr); }
    .ab-cta-box {
        flex-direction: column;
        text-align: center;
        padding: 36px 30px;
        gap: 24px;
    }
    .ab-cta-right { flex-wrap: wrap; justify-content: center; }
}

@media screen and (max-width: 640px) {
    .ab-banner { min-height: 200px; }
    .ab-banner-title { font-size: 26px; }
    .ab-banner-subtitle { font-size: 14px; }
    .ab-intro { padding: 40px 0; }
    .ab-intro-title { font-size: 22px; }
    .ab-intro-text { font-size: 14px; line-height: 1.8; }
    .ab-intro-stats { flex-direction: column; gap: 16px; }
    .ab-stat-item { padding: 20px 12px; }
    .ab-stat-num { font-size: 28px; }
    .ab-history, .ab-honor, .ab-team, .ab-culture, .ab-cta { padding: 40px 0; }
    .ab-timeline { padding-left: 28px; }
    .ab-timeline-dot { left: -27px; width: 14px; height: 14px; }
    .ab-timeline-content { padding: 18px 20px; }
    .ab-timeline-year { font-size: 16px; }
    .ab-honor-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .ab-honor-image { height: 110px; padding: 14px; }
    .ab-team-photos { grid-template-columns: 1fr; gap: 16px; }
    .ab-culture-grid { grid-template-columns: 1fr; gap: 16px; }
    .ab-culture-item { padding: 28px 20px; }
    .ab-cta-left h2 { font-size: 22px; }
    .ab-cta-btn { padding: 12px 24px; font-size: 14px; }
}