/* ==================== About Page Styles ==================== */

/* Hero Banner — merged with nav */
.about-hero {
    position: relative;
    background: url('../images/about/about_banner.jpg') center center / cover no-repeat;
    padding: 0;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(19, 42, 78, 0.75) 50%, rgba(26, 58, 92, 0.65) 100%);
    z-index: 1;
}

/* Nav inside hero */
.about-hero .top_w3pvt_main {
    position: relative;
    z-index: 10;
    padding-top: 20px;
    padding-bottom: 0;
}
.about-hero .top_w3pvt_main .nav_w3pvt {
    position: relative;
    margin-top: 0;
    background: none;
}
.about-hero .top_w3pvt_main .menu {
    background: none;
}
.about-hero .business_line {
    color: rgba(255, 255, 255, 0.7) !important;
}
.about-hero .menu li a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.3s ease;
}
.about-hero .menu li a:hover,
.about-hero .menu li.active a {
    color: #4fc3f7;
}
.about-hero .menu li.active a {
    font-weight: 600;
}

.hero-body {
    position: relative;
    z-index: 10;
    padding: 75px 60px 80px;
}
.hero-body h1 {
    font-size: 48px;
    font-weight: 300;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero-body h1 strong {
    font-weight: 700;
    background: linear-gradient(90deg, #259ad6, #4fc3f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-body > p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 0 !important;
}
.hero-body .breadcrumb {
    background: none;
    padding: 0;
    margin-top: 24px;
}
.hero-body .breadcrumb-item,
.hero-body .breadcrumb-item a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}
.hero-body .breadcrumb-item a:hover {
    color: #259ad6;
}
.hero-body .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.85);
}
.hero-body .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.3);
}

/* Decorative dots */
.dot-grid {
    position: absolute;
    top: 120px;
    right: 60px;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(rgba(37, 154, 214, 0.4) 1.5px, transparent 1.5px);
    background-size: 16px 16px;
    z-index: 1;
    opacity: 0.6;
}

/* Stats Bar */
.stats-bar {
    background: #fff;
    border-bottom: 1px solid #f0f2f5;
    padding: 0;
    position: relative;
    z-index: 5;
}
.stats-bar .stat-item {
    text-align: center;
    padding: 32px 20px;
    border-right: 1px solid #f0f2f5;
    transition: all 0.3s ease;
}
.stats-bar .stat-item:last-child {
    border-right: none;
}
.stats-bar .stat-item:hover {
    background: #f8fbff;
}
.stats-bar .stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #259ad6;
    line-height: 1;
    margin-bottom: 8px;
}
.stats-bar .stat-number span {
    font-size: 16px;
    font-weight: 400;
    color: #259ad6;
    margin-left: 2px;
}
.stats-bar .stat-label {
    font-size: 14px;
    color: #8c95a6;
    letter-spacing: 0.5px;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header .section-tag {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #259ad6;
    font-weight: 500;
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 14px !important;
}
.section-header p {
    font-size: 16px;
    color: #8c95a6;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Company Overview */
.overview-section {
    padding: 100px 0;    background: #fafbfc;
}
.overview-card {
    background: #fff;
    border-radius: 20px;
    padding: 60px;
    border: 1px solid #f0f2f5;
}
.overview-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
    line-height: 1.4;
}
.overview-card h2 strong {
    background: linear-gradient(90deg, #259ad6, #4fc3f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.overview-card p {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 16px;
}
.overview-card p:last-child {
    margin-bottom: 0;
}

/* Culture Section */
.culture-section {
    padding: 100px 0;
    background: #fff;
}
.culture-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f2f5;
}
.culture-img {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}
.culture-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}
.culture-content {
    padding: 80px 40px 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 480px;
}
.culture-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
    line-height: 1.4;
}
.culture-content h3 strong {
    color: #259ad6;
}
.culture-content p {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 16px;
}
.culture-content p:last-child {
    margin-bottom: 0;
}

/* Business Cards */
.business-section {
    padding: 100px 0;
    background: #fafbfc;
}
.business-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 36px;
    border: 1px solid #f0f2f5;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    height: 100%;
}
.business-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}
.business-card .card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #e8f4fd, #d4edfc);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s ease;
}
.business-card:hover .card-icon {
    background: linear-gradient(135deg, #259ad6, #4fc3f7);
}
.business-card .card-icon i {
    font-size: 26px;
    color: #259ad6;
    transition: color 0.4s ease;
}
.business-card:hover .card-icon i {
    color: #fff;
}
.business-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}
.business-card p {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 0 !important;
}

/* Gallery Section */
.gallery-section {
    padding: 100px 0;
    background: #fff;
}
.gallery-grid .gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 24px;
    cursor: pointer;
    transition: all 0.4s ease;
}
.gallery-grid .gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}
.gallery-grid .gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}
.gallery-grid .gallery-item:hover img {
    transform: scale(1.05);
}
.gallery-grid .gallery-item .gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.85), transparent);
    padding: 40px 20px 20px;
}
.gallery-grid .gallery-item .gallery-overlay h5 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}
.gallery-grid .gallery-item .gallery-overlay span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* Gallery popup overlay */
.pop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.pop-overlay:target {
    opacity: 1;
    visibility: visible;
}
.pop-overlay .popup {
    position: relative;
    max-width: 700px;
    width: 90%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
}
.pop-overlay .popup img {
    width: 100%;
    display: block;
}
.pop-overlay .popup p {
    padding: 20px;
    color: #fff;
    font-size: 16px;
    text-align: center;
    margin-bottom: 0 !important;
}
.pop-overlay .popup .close {
    position: absolute;
    top: 4px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.3s ease;
    line-height: 1;
    padding: 0;
}
.pop-overlay .popup .close:hover {
    background: rgba(37, 154, 214, 0.6);
}

/* CTA Button */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #259ad6, #1a7cb8);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    letter-spacing: 0.5px;
    text-decoration: none;
}
.cta-btn:hover {
    background: linear-gradient(135deg, #4fc3f7, #259ad6);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 154, 214, 0.35);
    color: #fff;
    text-decoration: none;
}
.cta-btn i {
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-body h1 { font-size: 36px; }
    .stats-bar .stat-item { padding: 24px 16px; }
    .stats-bar .stat-number { font-size: 28px; }
    .overview-card { padding: 32px; }
    .culture-content { padding: 32px 32px 32px 27px; }  /* 左padding从32px减到27px，向左移动5px */
    .dot-grid { display: none; }
    .culture-img { 
        padding: 0 15px 15px 15px; 
        height: 280px;
    }
    .culture-img img { 
        width: 100%;
        height: 100%;
        object-fit: cover; 
        border-radius: 12px;
    }
}
@media (max-width: 768px) {
    .hero-body { padding: 60px 24px 60px; }
    .hero-body h1 { font-size: 30px; }
    .section-header h2 { font-size: 28px; }
    .stats-bar .stat-item { border-right: none; border-bottom: 1px solid #f0f2f5; }
    .stats-bar .stat-item:last-child { border-bottom: none; }
    .overview-section, .culture-section, .business-section, .gallery-section { padding: 60px 0; }
    .overview-card { padding: 24px 20px; }
    .culture-content { padding: 24px 24px 24px 15px; }  /* 左padding从24px减到15px，向左移动 */
    .gallery-grid .gallery-item img { height: 180px; }
    /* 响应式下公司概况增加左右边距 */
    .overview-section .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}