/* ===== 关于我们页面样式 ===== */

/* 公司简介 */
.about-intro {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-intro-content .section-tag {
    text-align: left;
}

.about-intro-content .section-title {
    text-align: left;
    font-size: 42px;
    line-height: 1.3;
}

.about-desc {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-signature {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding: 20px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent);
}

.signature-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.signature-name {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.signature-desc {
    font-size: 14px;
    color: var(--text-gray);
    font-style: italic;
}

.about-intro-visual .visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visual-card {
    aspect-ratio: 1;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.visual-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.visual-card:hover::before {
    opacity: 1;
}

.visual-card:hover .v-num,
.visual-card:hover .v-label {
    color: #fff;
}

.v-num,
.v-label {
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.v-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.v-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* 发展历程 - 时间轴 */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover::before {
    background: var(--accent);
    border-color: var(--accent);
    transform: translate(-50%, -50%) scale(1.3);
}

.timeline-year {
    width: 50%;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    letter-spacing: -1px;
    padding: 0 40px;
}

.timeline-item:nth-child(odd) .timeline-year {
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-year {
    text-align: left;
}

.timeline-card {
    width: 50%;
    background: #fff;
    padding: 24px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin: 0 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-item:hover .timeline-card {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.timeline-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.culture-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

.culture-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.culture-card:hover::before {
    transform: scaleX(1);
}

.culture-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    transition: var(--transition);
}

.culture-card:hover .culture-icon {
    transform: scale(1.1) rotate(-5deg);
}

.culture-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.culture-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 团队介绍 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.team-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.team-role {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 资质荣誉 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.honor-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.honor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.honor-medal {
    font-size: 56px;
    margin-bottom: 16px;
    display: inline-block;
    transition: var(--transition);
}

.honor-card:hover .honor-medal {
    transform: scale(1.1) rotate(10deg);
}

.honor-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.honor-card p {
    font-size: 13px;
    color: var(--text-gray);
}

/* 使命愿景 */
.mission-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.mission-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.mission-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 48px 40px;
    transition: var(--transition);
}

.mission-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.mission-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.mission-card h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.mission-text {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: -0.5px;
}

.mission-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
}

/* 响应式 */
@media (max-width: 992px) {
    .about-intro {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-intro-content .section-title {
        font-size: 32px;
    }

    .timeline::before {
        left: 24px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-left: 60px;
    }

    .timeline-item::before {
        left: 24px;
    }

    .timeline-year {
        width: auto;
        text-align: left !important;
        position: absolute;
        left: 60px;
        top: -28px;
        font-size: 18px;
        padding: 0;
        color: var(--accent);
    }

    .timeline-card {
        width: 100%;
        margin: 20px 0 0 0;
    }

    .culture-grid,
    .team-grid,
    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .mission-text {
        font-size: 26px;
    }
}

@media (max-width: 768px) {
    .about-intro-content .section-title {
        font-size: 26px;
    }

    .visual-card {
        aspect-ratio: auto;
        padding: 30px 20px;
    }

    .v-num {
        font-size: 28px;
    }

    .culture-grid,
    .team-grid,
    .honor-grid {
        grid-template-columns: 1fr;
    }

    .mission-card {
        padding: 32px 24px;
    }

    .mission-text {
        font-size: 22px;
    }
}