/* ==========================================================================
   ABOUT US PAGE: 规范命名空间架构 (无恶性 !important，全端弹性流体)
   ========================================================================== */
.about-page-main {
    background-color: #f8fafc;
    color: #334155;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
}

.about-page-main * {
    box-sizing: border-box;
}

/* 核心版心：1240px 居中对齐 */
.about-page-main .about-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-page-main .about-section {
    padding: 60px 0;
}

.about-page-main .about-section.bg-white {
    background-color: #ffffff;
}

.about-page-main .about-section.bg-slate {
    background-color: #f1f5f9;
}

.about-page-main .section-tag {
    display: inline-block;
    color: #ff5e14;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.about-page-main .grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

/* 1. Hero 区域：背景深蓝、文字居中 */
.about-page-main .about-hero-section {
    background: linear-gradient(135deg, #0b1120 0%, #0f172a 100%);
    color: #ffffff;
    padding: 55px 0 50px;
    text-align: center;
}

.about-page-main .sub-title-badge {
    background: rgba(255, 94, 20, 0.15);
    color: #ff6b00;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 12px;
}

.about-page-main .hero-title {
    color: #ffffff;
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 800;
    margin: 0 0 12px;
    line-height: 1.25;
}

.about-page-main .hero-desc {
    color: #94a3b8;
    font-size: 15.5px;
    max-width: 760px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 2. 企业概况与弹性图片 */
.about-page-main .overview-visual-col .image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.about-page-main .overview-visual-col img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
}

.about-page-main .experience-floating-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: #ff5e14;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 20px rgba(255, 94, 20, 0.35);
}

.about-page-main .experience-floating-badge .exp-number {
    font-size: 34px;
    font-weight: 900;
    line-height: 1;
}

.about-page-main .experience-floating-badge .exp-text {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.2;
}

.about-page-main .overview-content-col h2 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 16px;
}

.about-page-main .overview-content-col p {
    font-size: 15px;
    color: #475569;
    margin-bottom: 14px;
}

/* 3. WCA 认证卡片 */
.about-page-main .cert-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 35px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.about-page-main .cert-text h3 {
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 12px;
}

.about-page-main .wca-badge {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0f172a;
    color: #ffffff;
    padding: 7px 15px;
    border-radius: 6px;
    font-size: 13.5px;
}

.about-page-main .wca-id {
    color: #ff5e14;
    font-weight: 800;
}
/* 1. 放大 WCA 认证徽标并增强对比 */
.about-page-main .cert-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.about-page-main .cert-logo img {
    max-width: 280px; /* 原 180px，放大至 280px */
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.05));
}
/* 4. 价值观三列网格 */
.about-page-main .section-header-center {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}

.about-page-main .section-header-center h2 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

.about-page-main .values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.about-page-main .value-card {
    background: #ffffff;
    padding: 30px 24px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.about-page-main .value-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 12px;
}

/* 5. 历程与图文流 */
.about-page-main .showcase-item {
    margin-bottom: 50px;
}

.about-page-main .showcase-item:last-child {
    margin-bottom: 0;
}

.about-page-main .showcase-item.reverse {
    direction: rtl;
}

.about-page-main .showcase-item.reverse > * {
    direction: ltr;
}

.about-page-main .showcase-text h3 {
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 12px;
}

.about-page-main .showcase-img img {
    width: 100%;
    height: auto; max-width: 540px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    display: block;
}

/* 6. 优势与 CEO */
.about-page-main .why-choose-col h2 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 16px;
}

.about-page-main .why-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
}

.about-page-main .why-list li {
    font-size: 14.5px;
    color: #334155;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.about-page-main .why-bullet {
    color: #ff5e14;
    font-weight: 900;
}

.about-page-main .ceo-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
}

.about-page-main .ceo-avatar {
    width: 95px;
    height: 95px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 14px;
    border: 3px solid #ff5e14;
}

.about-page-main .ceo-card blockquote {
    font-style: italic;
    font-size: 14.5px;
    color: #475569;
    margin: 0 0 14px;
}

.about-page-main .ceo-info h4 {
    font-size: 17px;
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

.about-page-main .ceo-info p {
    font-size: 12.5px;
    color: #64748b;
    margin: 2px 0 8px;
}

.about-page-main .ceo-sign {
    max-width: 110px;
    height: auto;
    display: inline-block;
}

/* 7. 合作伙伴 */
.about-page-main .partners-logo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.about-page-main .partners-logo-grid img {
    max-height: 38px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
}

/* 8. 底部 CTA */
.about-page-main .about-cta-section {
    padding: 60px 0;
    background: #0f172a;
}

.about-page-main .cta-box {
    text-align: center;
    color: #ffffff;
}

.about-page-main .cta-box h2 {
    color: #ffffff;
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 800;
    margin: 0 0 12px;
}

.about-page-main .cta-box p {
    color: #94a3b8;
    font-size: 15px;
    margin-bottom: 22px;
}

.about-page-main .cta-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.about-page-main .btn-cta-orange {
    background: linear-gradient(135deg, #ff6b00 0%, #ff5e14 100%);
    color: #ffffff;
    padding: 12px 24px;
    font-weight: 700;
    border-radius: 5px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.about-page-main .btn-cta-outline {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 22px;
    font-weight: 700;
    border-radius: 5px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   移动端断点适配 (991px 以下：转单列堆叠，解除强制高度)
   ========================================================================== */
@media (max-width: 991px) {
    .about-page-main .grid-2-col,
    .about-page-main .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-page-main .overview-visual-col img {
        height: auto; max-width: 540px;
    }

    .about-page-main .cert-card {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
        gap: 25px;
    }

    .about-page-main .showcase-item.reverse {
        direction: ltr;
    }

    /* 2. 彻底解除固定高度裁切，按原始比例完整展示 */
    .about-page-main .showcase-img {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .about-page-main .showcase-img img {
        width: 100%;
        max-width: 540px;
        height: auto; /* 移除固定的 260px，按图片真实比例完整显示，不再被框框裁切 */
        border-radius: 10px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        display: block;
    }
    .about-page-main .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .about-page-main .btn-cta-orange,
    .about-page-main .btn-cta-outline {
        justify-content: center;
    }

    .about-page-main .about-hero-section {
        padding: 40px 0 30px;
    }
}