/* 关于我们页面样式 */

.page-header {
    padding: 4rem 0 !important;
}

.page-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .page-header {
        padding: 3rem 0 !important;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .page-header p {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

.hero-inner {
    position: relative;
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, #0d6efd 0%, #1e3a8a 50%, #dc3545 100%);
    overflow: hidden;
}

.hero-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-inner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-inner-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-inner-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

@media (max-width: 768px) {
    .hero-inner {
        padding: 7rem 0 4rem;
    }
    
    .hero-inner-content h1 {
        font-size: 2.25rem;
    }
    
    .hero-inner-content p {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

.about-hero {
    position: relative;
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, #0d6efd 0%, #1e3a8a 50%, #dc3545 100%);
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.about-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 0.875rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.about-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number,
.stat-num {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, #ffc107);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-decoration {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(220, 53, 69, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

/* 公司简介 */
.about-intro {
    padding: 8rem 0;
    background: #fff;
}

.intro-card {
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
    border-radius: 24px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(13, 110, 253, 0.1);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0d6efd, #dc3545);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.intro-card h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.25rem;
}

.intro-card p {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.intro-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.highlight-tag {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    border-radius: 8px;
    font-size: 0.875rem;
    color: #0d6efd;
    border: 1px solid rgba(13, 110, 253, 0.2);
}

.intro-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
}

.intro-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.3), rgba(220, 53, 69, 0.2));
}

.image-badge {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #0d6efd;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.image-badge i {
    color: #dc3545;
}

/* 企业理念 */
.about-mission {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #fff5f5 100%);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.mission-card {
    position: relative;
    padding: 3rem;
    border-radius: 24px;
    background: #fff;
    text-align: center;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(13, 110, 253, 0.08);
}

.mission-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(13, 110, 253, 0.15);
}

.mission-card-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.mission-card-blue .mission-card-icon {
    background: linear-gradient(135deg, #0d6efd, #3b82f6);
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.4);
}

.mission-card-red .mission-card-icon {
    background: linear-gradient(135deg, #dc3545, #ef4444);
    box-shadow: 0 10px 30px rgba(220, 53, 69, 0.4);
}

.mission-card-gradient .mission-card-icon {
    background: linear-gradient(135deg, #0d6efd, #dc3545);
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.4);
}

.icon-inner {
    font-size: 2.5rem;
}

.mission-card-header {
    margin-bottom: 1.5rem;
}

.mission-card-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

.card-line {
    width: 40px;
    height: 4px;
    margin: 0 auto;
    border-radius: 2px;
}

.mission-card-blue .card-line {
    background: linear-gradient(90deg, #0d6efd, #3b82f6);
}

.mission-card-red .card-line {
    background: linear-gradient(90deg, #dc3545, #ef4444);
}

.mission-card-gradient .card-line {
    background: linear-gradient(90deg, #0d6efd, #dc3545);
}

.mission-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
}

.values-tags {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    position: relative;
    z-index: 2;
}

.value-tag {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    color: #334155;
    border-radius: 20px;
    border: 1px solid rgba(13, 110, 253, 0.2);
    transition: all 0.3s ease;
}

.value-tag:hover {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(220, 53, 69, 0.2));
    transform: translateY(-2px);
}

.mission-card-decoration {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    opacity: 0.05;
}

.mission-card-blue .mission-card-decoration {
    background: #0d6efd;
}

.mission-card-red .mission-card-decoration {
    background: #dc3545;
}

.mission-card-gradient .mission-card-decoration {
    background: linear-gradient(135deg, #0d6efd, #dc3545);
}

.mission-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #0d6efd, #dc3545);
}

/* 发展历程 */
.about-timeline {
    padding: 8rem 0;
    background: #fff;
}

.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #0d6efd, #dc3545);
    transform: translateX(-50%);
}

.timeline-list {
    position: relative;
    z-index: 1;
}

.timeline-card {
    position: relative;
    margin-bottom: 4rem;
    width: calc(50% - 2rem);
}

.timeline-card.left {
    margin-right: auto;
    padding-right: 4rem;
}

.timeline-card.right {
    margin-left: auto;
    padding-left: 4rem;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    top: 1rem;
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}

.timeline-card.left .timeline-dot {
    right: -10px;
}

.timeline-card.right .timeline-dot {
    left: -10px;
}

.timeline-dot.blue {
    background: #0d6efd;
}

.timeline-dot.red {
    background: #dc3545;
}

.timeline-dot.gradient {
    background: linear-gradient(135deg, #0d6efd, #dc3545);
}

.timeline-content {
    background: #fff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(13, 110, 253, 0.1);
}

.timeline-year {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0d6efd, #dc3545);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

.timeline-content p {
    color: #64748b;
    line-height: 1.6;
}

/* 核心优势 */
.about-advantages {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0d6efd 0%, #1e3a8a 100%);
}

.about-advantages .section-tag {
    color: rgba(255, 255, 255, 0.7);
}

.about-advantages .section-header h2 {
    color: #fff;
}

.advantages-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.advantage-icon-box {
    width: 65px;
    height: 65px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1.5rem;
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.advantage-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

/* 联系卡片 */
.about-contact {
    padding: 8rem 0;
    background: #fff;
}

.contact-card {
    background: linear-gradient(135deg, #0d6efd, #dc3545);
    border-radius: 24px;
    padding: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-content {
    position: relative;
    z-index: 1;
}

.contact-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.contact-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
}

.btn-contact {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 2.5rem;
    background: #fff;
    color: #0d6efd;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.btn-contact i {
    transition: transform 0.3s ease;
}

.btn-contact:hover i {
    transform: translateX(5px);
}

/* 响应式 */
@media (max-width: 768px) {
    .about-hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .intro-card {
        padding: 2rem;
    }

    .intro-image img {
        height: 280px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-card {
        width: 100%;
        padding-left: 50px !important;
        padding-right: 0 !important;
        margin-bottom: 3rem;
    }

    .timeline-card.left .timeline-dot,
    .timeline-card.right .timeline-dot {
        left: -10px;
        right: auto;
    }

    .contact-card {
        padding: 2.5rem 1.5rem;
        text-align: center;
        justify-content: center;
    }

    .contact-content h2 {
        font-size: 1.5rem;
    }

    .advantages-wrapper {
        grid-template-columns: 1fr;
    }
}