/* ========== 关于我们页面样式 ========== */

/* Hero Section */
.about-page-hero {
    position: relative;
    height: 600px;
    background-color: #ffffff;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.about-hero-bg-img {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    z-index: 1;
}

.about-hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #ffffff 0%, #ffffff 35%, rgba(255, 255, 255, 0) 100%);
    z-index: 2;
}

.about-hero-inner {
    position: relative;
    z-index: 3;
    width: 100%;
}

.about-hero-text-area {
    max-width: 600px;
}

.about-hero-tag {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.about-hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #111827;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: 0px;
}

.about-hero-desc {
    font-size: 1.125rem;
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 480px;
}

.about-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Mission Section */
.about-mission-section {
    padding: 100px 0;
    background-color: #f9fafb;
}

.about-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-section-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.about-section-deco {
    color: var(--accent-color);
    opacity: 0.5;
    font-weight: bold;
}

.about-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.about-section-subtitle {
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.about-mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-mission-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    border: 1px solid #f3f4f6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.about-mission-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 86, 210, 0.05);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.about-mission-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

.about-mission-card p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Intro Section */
.about-intro-section {
    padding: 100px 0;
    background-color: #ffffff;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.about-intro-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.about-intro-bar {
    width: 4px;
    height: 28px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.about-intro-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #111827;
}

.about-intro-text p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-intro-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Stats */
.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: #f9fafb;
    border-radius: 12px;
    border: 1px solid #f3f4f6;
    transition: transform 0.3s ease;
}

.about-stat-item:hover {
    transform: translateY(-3px);
}

.about-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 86, 210, 0.05);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.about-stat-info {
    display: flex;
    flex-direction: column;
}

.about-stat-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
}

.about-stat-label {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 4px;
}

/* Cooperation Section */
.about-cooperation-section {
    padding: 100px 0;
    background-color: #f9fafb;
}

.about-cooperation-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.about-coop-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid #f3f4f6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-coop-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.about-coop-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 86, 210, 0.05);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.about-coop-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 8px;
}

.about-coop-card p {
    color: #6b7280;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

.about-coop-card-cta {
    background: linear-gradient(135deg, rgba(0, 86, 210, 0.03) 0%, rgba(0, 86, 210, 0.08) 100%);
    border-color: rgba(0, 86, 210, 0.15);
    justify-content: center;
}

.about-coop-card-cta .about-coop-icon {
    background: rgba(0, 86, 210, 0.1);
}

.about-coop-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--accent-color);
    color: #ffffff !important;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
    margin-top: auto;
}

a.about-coop-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    color: #ffffff !important;
    text-decoration: none;
}

.about-coop-btn i {
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-hero-title {
        font-size: 2.5rem;
    }

    .about-mission-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-cooperation-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .about-page-hero {
        height: auto;
        padding: 100px 0 60px;
    }

    .about-hero-bg-img {
        opacity: 0.2;
    }

    .about-hero-gradient {
        background: white;
        opacity: 0.8;
    }

    .about-hero-title {
        font-size: 2rem;
    }

    .about-mission-grid {
        grid-template-columns: 1fr;
    }

    .about-stats-grid {
        grid-template-columns: 1fr;
    }

    .about-cooperation-grid {
        grid-template-columns: 1fr;
    }
}