/* ========================================
   关于我们页面样式
   ======================================== */

/* ====== Hero区 ====== */
.about-hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
}
.about-hero .hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1A1A2E 0%, #16213e 40%, #0f3460 100%);
}
.about-hero .hero-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 25% 30%, rgba(200,22,29,0.3) 0%, transparent 50%),
        radial-gradient(circle at 75% 70%, rgba(200,22,29,0.2) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
}
.about-hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(200,22,29,0.2);
    border: 1px solid rgba(200,22,29,0.3);
    border-radius: 30px;
    color: #fff;
    font-size: 14px;
    margin-bottom: 24px;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.hero-title {
    margin: 0 0 24px;
    line-height: 1.2;
}
.title-line {
    display: block;
    font-size: 56px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 16px;
}
.title-sub {
    display: block;
    font-size: 24px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}
.hero-desc {
    max-width: 700px;
    margin: 0 auto 36px;
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
}
.hero-desc .highlight {
    color: #fff;
    font-weight: 600;
    background: rgba(200,22,29,0.3);
    padding: 2px 8px;
    border-radius: 4px;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}
.about-hero .btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}
.about-hero .btn-primary {
    background: var(--primary);
    color: #fff;
}
.about-hero .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200,22,29,0.4);
}
.about-hero .btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
}
.about-hero .btn-ghost:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item {
    text-align: center;
}
.stat-value {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.stat-unit {
    font-size: 24px;
    font-weight: 600;
    margin-left: 2px;
}
.stat-label {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-top: 8px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
}

/* ====== 通用区块头部 ====== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header.light .section-title,
.section-header.light .section-desc,
.section-header.light .section-tag {
    color: #fff;
}
.section-header.light .section-desc {
    color: rgba(255,255,255,0.7);
}
.section-tag {
    display: inline-block;
    padding: 4px 16px;
    background: var(--primary-bg);
    color: var(--primary) !important;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 4px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--text-gray);
    margin: 0;
}

/* ====== 使命与愿景 ====== */
.mission-section {
    padding: 80px 0;
    background: #fff;
}
.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.mission-card {
    padding: 40px 32px;
    background: #f9fafb;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}
.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.mission-card.vision {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff5f5 100%);
}
.mission-card.mission-item {
    background: linear-gradient(135deg, #fff5f5 0%, #f8f9fa 100%);
    border-color: var(--primary-light);
}
.mission-card.value {
    background: linear-gradient(135deg, #f8f9fa 0%, #e6f0ff 100%);
}
.mission-icon {
    font-size: 48px;
    margin-bottom: 20px;
}
.mission-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 16px;
}
.mission-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-gray);
    margin: 0;
}
.mission-text strong {
    color: var(--primary);
    font-size: 16px;
}
.mission-text .highlight {
    color: var(--primary);
    font-weight: 600;
}

/* ====== 国家战略区 ====== */
.strategy-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.strategy-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1A1A2E 0%, #16213e 50%, #1A1A2E 100%);
}
.strategy-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(200,22,29,0.2) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(200,22,29,0.15) 0%, transparent 40%);
}
.strategy-section .container {
    position: relative;
    z-index: 2;
}
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}
.strategy-card {
    padding: 40px 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    position: relative;
}
.strategy-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(200,22,29,0.5);
    transform: translateY(-4px);
}
.strategy-num {
    display: inline-block;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 16px;
    line-height: 1;
}
.strategy-title {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
}
.strategy-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    margin: 0;
}
.strategy-quote {
    max-width: 700px;
    margin: 0 auto;
    padding: 32px 40px;
    background: rgba(255,255,255,0.05);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.strategy-quote svg {
    color: var(--primary);
    margin-bottom: 16px;
}
.strategy-quote p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
    margin: 0 0 12px;
    font-style: italic;
}
.strategy-quote span {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

/* ====== 定位区 ====== */
.positioning-section {
    padding: 80px 0;
    background: #fff;
}
.positioning-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.positioning-card {
    padding: 40px 22px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.positioning-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.positioning-card.primary {
    border-color: var(--primary);
    background: linear-gradient(135deg, #fff5f5 0%, #fff 100%);
}
.positioning-icon {
    font-size: 48px;
    margin-bottom: 20px;
}
.positioning-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 16px;
}
.positioning-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.feature-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    border-radius: 4px;
}
.positioning-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-gray);
    margin: 0;
}

/* ====== 品牌承诺 ====== */
.commitment-section {
    padding: 80px 0;
    background: #f9fafb;
}
.commitment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.commitment-item {
    padding: 32px 24px;
    background: #fff;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s;
}
.commitment-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.commitment-icon {
    font-size: 40px;
    margin-bottom: 16px;
}
.commitment-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 8px;
}
.commitment-item p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

/* ====== CTA区 ====== */
.about-cta {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.about-cta .cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}
.about-cta .container {
    position: relative;
    z-index: 2;
    text-align: center;
}
.about-cta .cta-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
}
.about-cta .cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin: 0 0 36px;
}
.about-cta .cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}
.about-cta .btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
}
.about-cta .btn-primary {
    background: #fff;
    color: var(--primary);
}
.about-cta .btn-primary:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
}
.about-cta .btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
}
.about-cta .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}
.cta-contact {
    font-size: 15px;
    color: rgba(255,255,255,0.9);
}
.cta-contact .contact-sep {
    margin: 0 12px;
    opacity: 0.5;
}

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
    .mission-grid,
    .strategy-grid,
    .positioning-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .commitment-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .about-hero {
        padding: 60px 0 80px;
    }
    .title-line {
        font-size: 36px;
        letter-spacing: 2px;
    }
    .title-sub {
        font-size: 18px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    .stat-value {
        font-size: 32px;
    }
    .mission-grid,
    .strategy-grid,
    .positioning-grid,
    .commitment-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 28px;
    }
    .about-cta .cta-title {
        font-size: 24px;
    }
    .about-cta .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}