:root {
        --brand-primary: #FF6A00; 
        --brand-primary-hover: #E65C00;
        --text-dark: #111111;
        --text-gray: #555555;
        --bg-light: #f4f6f8;
        --bg-white: #ffffff;
        --border-color: #e5e7eb;
}

/* Unified inner-page banner title style */
.about-page .hero-content {
    animation: aboutBannerTitleIn 1s ease;
}

.about-page .hero-content h1 {
    font-size: 48px !important;
    font-weight: 700 !important;
    letter-spacing: 1px !important;
    line-height: 1.2 !important;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5) !important;
}

@keyframes aboutBannerTitleIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .about-page .hero-content h1 {
        font-size: 36px !important;
    }
}
    
    .about-page {
        font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.8;
        background-color: var(--bg-white);
        overflow-x: hidden;
    }

    .about-page .container {
        max-width: 1280px; /* 增加容器宽度，显得更大气 */
        margin: 0 auto;
        padding: 0 20px;
    }

    /* 1. Hero Banner (No dark overlay) */
    .about-page .hero-banner {
        position: relative;
        width: 100%;
        height: clamp(620px, calc(100vw * 700 / 1920), 700px) !important; /* 匹配 1920x700 尺寸 */
        min-height: clamp(620px, calc(100vw * 700 / 1920), 700px) !important;
        max-height: 700px !important;
        background-color: #f0f0f0;
        background-size: cover;
        background-position: center;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        margin-top: 20px !important; 
    }
    .about-page .hero-content {
        position: relative;
        z-index: 2;
        text-shadow: 0 4px 20px rgba(0,0,0,0.6); /* 增强阴影确保无遮罩时文字清晰 */
    }
    .about-page .hero-content h1 {
        font-size: 64px; /* 更大的标题 */
        font-weight: 900;
        color: #fff;
        margin: 0;
        letter-spacing: 4px;
        text-transform: uppercase;
    }

    /* Common Section Styles */
    .about-page .section-padding {
        padding: 120px 0; /* 增加留白，提升呼吸感和高级感 */
    }
    .about-page .bg-light {
        background-color: var(--bg-light);
    }
    .about-page .section-title {
        font-size: 42px; /* 更大的段落标题 */
        font-weight: 800;
        color: var(--text-dark);
        margin-bottom: 60px;
        text-align: center;
        position: relative;
        padding-bottom: 20px;
    }
    .about-page .section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--brand-primary);
    }
    .about-page .section-title.text-left {
        text-align: left;
    }
    .about-page .section-title.text-left::after {
        left: 0;
        transform: none;
    }

    /* 2. Company Overview */
    .about-page .overview-row {
        display: flex;
        flex-wrap: wrap;
        gap: 80px; /* 增加图文间距 */
        align-items: center;
        position: relative;
    }
    /* 添加背景大字水印，增加设计感 */
    .about-page .overview-row::before {
        content: 'ABOUT';
        position: absolute;
        top: -80px;
        left: -40px;
        font-size: 180px;
        font-weight: 900;
        color: rgba(0,0,0,0.02);
        z-index: 0;
        pointer-events: none;
    }
    .about-page .overview-text {
        flex: 1;
        min-width: 300px;
        position: relative;
        z-index: 1;
    }
    .about-page .overview-text h3 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 30px;
        color: var(--text-dark);
    }
    .about-page .overview-text p {
        font-size: 18px; /* 增大正文字号 */
        color: var(--text-gray);
        margin-bottom: 25px;
        text-align: justify;
        line-height: 2;
    }
    .about-page .overview-img {
        flex: 1;
        min-width: 300px;
        position: relative;
        z-index: 1;
    }
    .about-page .overview-img img {
        width: 100%;
        border-radius: 12px;
        box-shadow: 0 20px 50px rgba(0,0,0,0.15); /* 更柔和高级的阴影 */
    }

    /* 3. Features (Global Reach & Innovation) */
    .about-page .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 50px;
        margin-top: 80px;
    }
    .about-page .feature-card {
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.04);
        border: 1px solid rgba(0,0,0,0.02);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    .about-page .feature-img {
        width: 100%;
        height: 240px;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .about-page .feature-card:hover .feature-img {
        transform: scale(1.05);
    }
    .about-page .feature-content {
        padding: 40px;
        position: relative;
        background: #fff;
        flex: 1;
    }
    .about-page .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--brand-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s ease;
        z-index: 10;
    }
    .about-page .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    }
    .about-page .feature-card:hover::before {
        transform: scaleX(1);
    }
    .about-page .feature-icon {
        font-size: 48px;
        color: var(--brand-primary);
        margin-bottom: 25px;
    }
    .about-page .feature-card h4 {
        font-size: 26px;
        font-weight: 800;
        margin-bottom: 20px;
    }
    .about-page .feature-card p {
        color: var(--text-gray);
        font-size: 16px;
        line-height: 1.9;
    }

    /* 4. Slogan Banner - 改为深色高级质感 */
    .about-page .slogan-banner {
        background-image: url('/skin/images/product-bg-3.jpg');
        background-color: #111111;
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        color: #fff;
        padding: 120px 20px;
        text-align: center;
        position: relative;
    }
    .about-page .slogan-banner::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(17, 17, 17, 0.85);
    }
    .about-page .slogan-banner .container {
        position: relative;
        z-index: 2;
    }
    .about-page .slogan-banner h2 {
        font-size: 42px;
        font-weight: 300; /* 使用细体+粗体对比，更具设计感 */
        max-width: 1000px;
        margin: 0 auto;
        line-height: 1.6;
        letter-spacing: 2px;
    }
    .about-page .slogan-banner h2 strong {
        color: var(--brand-primary);
        font-weight: 800;
    }

    /* 5. Vision & Mission */
    .about-page .vm-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 40px;
    }
    .about-page .vm-card {
        text-align: left;
        padding: 80px 50px;
        border-radius: 20px;
        box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        transition: transform 0.5s ease, box-shadow 0.5s ease;
        position: relative;
        overflow: hidden;
        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        min-height: 450px;
    }
    .about-page .vm-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.85) 100%);
        z-index: 1;
    }
    .about-page .vm-card-bg {
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background-size: cover;
        background-position: center;
        transition: transform 0.7s ease;
        z-index: 0;
    }
    .about-page .vm-card:hover .vm-card-bg {
        transform: scale(1.1);
    }
    .about-page .vm-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 30px 60px rgba(0,0,0,0.2);
    }
    .about-page .vm-content {
        position: relative;
        z-index: 2;
    }
    .about-page .vm-icon {
        width: 80px;
        height: 80px;
        margin: 0 0 30px 0;
        background: var(--brand-primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 32px;
        color: #fff;
        box-shadow: 0 10px 20px rgba(255, 106, 0, 0.3);
    }
    .about-page .vm-card h3 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 20px;
        color: #fff;
    }
    .about-page .vm-card p {
        color: rgba(255,255,255,0.9);
        font-size: 18px;
        line-height: 1.8;
        margin: 0;
    }

    /* 6. Trusted Quality & Certifications */
    .about-page .quality-row {
        display: flex;
        flex-wrap: wrap;
        gap: 80px;
        align-items: center;
        flex-direction: row-reverse;
    }
    .about-page .quality-text {
        flex: 1;
        min-width: 300px;
    }
    .about-page .quality-text h3 {
        font-size: 36px;
        font-weight: 800;
        margin-bottom: 30px;
    }
    .about-page .quality-text p {
        color: var(--text-gray);
        font-size: 18px;
        margin-bottom: 25px;
        line-height: 2;
    }
    .about-page .quality-text ul {
        list-style: none;
        padding: 0;
        margin-top: 40px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .about-page .quality-text ul li {
        position: relative;
        padding: 20px 20px 20px 55px;
        margin-bottom: 0;
        color: var(--text-dark);
        font-weight: 600;
        font-size: 16px;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.04);
        transition: all 0.3s ease;
        border: 1px solid rgba(0,0,0,0.02);
        display: flex;
        align-items: center;
    }
    .about-page .quality-text ul li:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.08);
        border-color: var(--brand-primary);
    }
    .about-page .quality-text ul li::before {
        content: '\f058'; /* 使用实心圆勾图标 */
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--brand-primary);
        font-size: 22px;
    }
    .about-page .quality-img {
        flex: 1;
        min-width: 300px;
        position: relative;
    }
    .about-page .quality-img img {
        width: 100%;
        border-radius: 12px;
        box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    }
    /* 悬浮经验徽章 */
    .about-page .experience-badge {
        position: absolute;
        bottom: -30px;
        left: -30px;
        background: var(--brand-primary);
        color: #fff;
        padding: 30px;
        border-radius: 12px;
        text-align: center;
        box-shadow: 0 15px 30px rgba(255, 106, 0, 0.3);
    }
    .about-page .experience-badge .num {
        display: block;
        font-size: 48px;
        font-weight: 900;
        line-height: 1;
        margin-bottom: 5px;
    }
    .about-page .experience-badge .text {
        font-size: 16px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* Certifications Grid */
    .about-page .certs-wrapper {
        margin-top: 100px;
        padding-top: 80px;
        border-top: 1px solid var(--border-color);
    }
    .about-page .certs-slider-wrapper {
        margin-top: 50px;
        position: relative;
        padding: 0 50px;
    }
    .about-page .bx-wrapper {
        border: none;
        background: transparent;
        box-shadow: none;
        margin-bottom: 0;
    }
    .about-page .bx-wrapper .bx-controls-direction a {
        background: var(--brand-primary);
        text-indent: 0;
        width: 44px;
        height: 44px;
        line-height: 44px;
        text-align: center;
        border-radius: 50%;
        margin-top: -22px;
        color: #fff !important;
        transition: background 0.3s;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
    }
    .about-page .bx-wrapper .bx-controls-direction a:hover {
        background: var(--brand-primary-hover);
    }
    .about-page .bx-wrapper .bx-prev { left: -10px; }
    .about-page .bx-wrapper .bx-next { right: -10px; }
    .about-page .cert-item {
        background: #fff;
        border: 1px solid var(--border-color);
        padding: 15px;
        border-radius: 12px;
        text-align: center;
        transition: all 0.4s ease;
        overflow: hidden;
    }
    .about-page .cert-item:hover {
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        border-color: var(--brand-primary);
        transform: translateY(-10px);
    }
    .about-page .cert-item img {
        width: 100%;
        height: auto;
        display: block;
        border-radius: 4px;
        transition: transform 0.4s ease;
    }
    .about-page .cert-item:hover img {
        transform: scale(1.05);
    }

    /* 7. Stats Section */
    .about-page .stats-grid {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 40px;
        text-align: center;
    }
    .about-page .stat-item .stat-num {
        font-size: 64px;
        font-weight: 900;
        color: var(--brand-primary);
        margin-bottom: 10px;
        line-height: 1;
        font-family: 'Arial', sans-serif;
    }
    .about-page .stat-item .stat-desc {
        font-size: 18px;
        font-weight: 600;
        letter-spacing: 1px;
        opacity: 0.9;
    }

    /* 8. Core Values */
    .about-page .values-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 30px;
        margin-top: 60px;
    }
    .about-page .value-card {
        padding: 50px 40px;
        background: #fff;
        border-radius: 16px;
        transition: all 0.5s ease;
        border: 1px solid rgba(0,0,0,0.03);
        box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        text-align: left;
        position: relative;
        overflow: hidden;
        z-index: 1;
    }
    .about-page .value-bg-num {
        position: absolute;
        top: -10px;
        right: -10px;
        font-size: 140px;
        font-weight: 900;
        color: rgba(0,0,0,0.03);
        line-height: 1;
        z-index: -1;
        transition: all 0.5s ease;
        font-family: 'Arial', sans-serif;
    }
    .about-page .value-card:hover {
        background: linear-gradient(135deg, var(--brand-primary), #ff8c00);
        box-shadow: 0 20px 50px rgba(255, 106, 0, 0.2);
        transform: translateY(-10px);
        border-color: transparent;
    }
    .about-page .value-card:hover .value-bg-num {
        color: rgba(255,255,255,0.1);
        transform: scale(1.1) translate(-10px, 10px);
    }
    .about-page .value-icon {
        font-size: 40px;
        color: var(--brand-primary);
        margin-bottom: 25px;
        transition: all 0.5s ease;
    }
    .about-page .value-card:hover .value-icon {
        color: #fff;
    }
    .about-page .value-card h4 {
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 15px;
        color: var(--text-dark);
        transition: all 0.5s ease;
    }
    .about-page .value-card:hover h4 {
        color: #fff;
    }
    .about-page .value-card p {
        color: var(--text-gray);
        font-size: 16px;
        line-height: 1.8;
        transition: all 0.5s ease;
    }
    .about-page .value-card:hover p {
        color: rgba(255,255,255,0.9);
    }

    @media (max-width: 992px) {
        .about-page .experience-badge {
            bottom: 20px;
            left: 20px;
            padding: 20px;
        }
        .about-page .experience-badge .num { font-size: 36px; }
    }

    @media (max-width: 768px) {
        .about-page .hero-banner {
            height: var(--vesol-banner-mobile-height, 320px) !important;
            min-height: var(--vesol-banner-mobile-height, 320px) !important;
            max-height: var(--vesol-banner-mobile-height, 320px) !important;
            margin-top: 20px !important;
        }
        .about-page .hero-content h1 { font-size: 42px; }
        .about-page .section-padding { padding: 70px 0; }
        .about-page .section-title { font-size: 32px; margin-bottom: 40px; }
        .about-page .slogan-banner h2 { font-size: 26px; }
        .about-page .overview-row::before { display: none; }
        .about-page .overview-row, .about-page .quality-row { gap: 40px; }
        .about-page .quality-text ul { grid-template-columns: 1fr; }
        .about-page .vm-grid { grid-template-columns: 1fr; }
        .about-page .features-grid { grid-template-columns: 1fr; }
    }

    @media (min-width: 768px) and (max-width: 991px) {
        .about-page .hero-banner {
            height: 420px !important;
            min-height: 420px !important;
            max-height: 420px !important;
            margin-top: 20px !important;
        }
    }

    @media (min-width: 992px) and (max-width: 1199px) {
        .about-page .hero-banner {
            height: 520px !important;
            min-height: 520px !important;
            max-height: 520px !important;
            margin-top: 20px !important;
        }
    }