/* ===== 公司简介页面专属样式 ===== */

/* ---------- 页面横幅 ---------- */
.about-hero {
    background: linear-gradient(135deg, #0b1a2e 0%, #1a3550 100%);
    padding: 80px 0 70px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.about-hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(30, 95, 158, 0.08);
    border-radius: 50%;
    pointer-events: none;
}
.about-hero .container {
    position: relative;
    z-index: 2;
}
.about-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.10);
    padding: 4px 20px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #7bb3ff;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.about-hero h1 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.about-hero h1 span {
    color: #7bb3ff;
}
.about-hero p {
    font-size: 18px;
    color: #b0c8e0;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* ---------- 主体内容 ---------- */
.about-body {
    background: #f4f7fc;
    padding: 60px 0 80px;
}

.about-section {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px 48px;
    margin-bottom: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid #e9edf4;
}

.about-section h2 {
    font-size: 26px;
    font-weight: 700;
    color: #0b1a2e;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 12px;
}
.about-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 4px;
    background: #1e5f9e;
    border-radius: 4px;
}

.about-section p {
    font-size: 16px;
    line-height: 1.9;
    color: #2c3e50;
}

.about-section p strong {
    color: #0b1a2e;
}

/* 带背景色的区块（核心发展理念） */
.about-section-2 {
    background: linear-gradient(135deg, #f0f6fe, #ffffff);
    border-left: 4px solid #1e5f9e;
}

/* ---------- 业务卡片网格 ---------- */
.section-subtitle {
    font-size: 16px;
    color: #6b7a8f;
    margin-bottom: 28px;
}

.about-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: #f9fafc;
    border-radius: 16px;
    padding: 28px 24px;
    border: 1px solid #e9edf4;
    transition: all 0.3s ease;
}
.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(30, 95, 158, 0.08);
    border-color: #c6d9f0;
}

.about-card-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.about-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #0b1a2e;
    margin-bottom: 12px;
}

.about-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}
.about-card ul li {
    font-size: 14px;
    color: #4e637a;
    padding: 4px 0 4px 20px;
    position: relative;
    line-height: 1.6;
}
.about-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1e5f9e;
    font-weight: 700;
}

.card-summary {
    font-size: 13px;
    color: #1e5f9e;
    font-weight: 600;
    padding-top: 12px;
    border-top: 1px dashed #e9edf4;
    margin-top: 8px;
}

/* ---------- 未来愿景 ---------- */
.about-section-5 {
    background: linear-gradient(135deg, #0b1a2e, #1a3550);
    color: #fff;
    border: none;
    padding: 0;
    overflow: hidden;
}
.about-section-5 .about-vision {
    padding: 44px 48px;
}
.about-section-5 h2 {
    color: #fff;
}
.about-section-5 h2::after {
    background: #7bb3ff;
}
.about-section-5 p {
    color: #b0c8e0;
}
.about-section-5 p strong {
    color: #fff;
}

.vision-tagline {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    text-align: center;
}
.vision-tagline span {
    font-size: 18px;
    font-weight: 700;
    color: #7bb3ff;
    letter-spacing: 3px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .about-hero h1 {
        font-size: 34px;
    }
    .about-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-section {
        padding: 30px 28px;
    }
    .about-section-5 .about-vision {
        padding: 30px 28px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 50px 0 40px;
    }
    .about-hero h1 {
        font-size: 26px;
    }
    .about-hero p {
        font-size: 15px;
    }
    .about-body {
        padding: 30px 0 50px;
    }
    .about-section {
        padding: 24px 18px;
        margin-bottom: 20px;
    }
    .about-section h2 {
        font-size: 20px;
    }
    .about-grid-3 {
        grid-template-columns: 1fr;
    }
    .about-section-5 .about-vision {
        padding: 24px 18px;
    }
    .vision-tagline span {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .about-hero h1 {
        font-size: 22px;
    }
    .about-hero p {
        font-size: 14px;
    }
    .about-card {
        padding: 20px 16px;
    }
}