/* 关于页面专属样式 v2 */
.banner-content h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin: 0;
    letter-spacing: 2px;
}
.banner-content p {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-top: 0.5rem;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.company-profile { margin-bottom: 4rem; }

.profile-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    align-items: flex-start;
}

.profile-text {
    flex: 2;
    min-width: 280px;
}

.profile-text h2 {
    color: #0b4aad;
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.profile-text h2::after {
    content: '';
    display: block;
    width: 44px;
    height: 3px;
    background: #c90026;
    border-radius: 2px;
    margin-top: 10px;
}

.profile-text p {
    line-height: 1.8;
    color: #475569;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.profile-stats {
    flex: 1;
    background: #f8fafc;
    padding: 1.8rem;
    border-radius: 24px;
    min-width: 240px;
    border: 1px solid #f2f6fd;
}

.profile-stats li {
    list-style: none;
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: #334155;
}

.profile-stats li i { width: 20px; color: #c90026; }

/* 企业文化 */
.culture-section {
    background: linear-gradient(135deg, #f8fafc 0%, #fff0f2 100%);
    border-radius: 32px;
    padding: 2.5rem;
    margin-bottom: 4rem;
    border: 1px solid #ffdce3;
}

.culture-section > h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-align: center;
}

.culture-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.culture-card {
    flex: 1;
    min-width: 200px;
    background: #fff;
    border-radius: 24px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
    border: 1px solid #f1f5f9;
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.culture-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0,0,0,0.08);
    border-color: #c90026;
}

.culture-card i {
    font-size: 2.2rem;
    color: #c90026;
    margin-bottom: 0.8rem;
}

.culture-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: #1e293b;
}

.culture-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 核心优势 */
.strength-section { margin-bottom: 4rem; }

.strength-section h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-align: center;
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.strength-card {
    background: #fff;
    border-radius: 24px;
    padding: 2rem 1.6rem;
    border: 1px solid #f1f5f9;
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.strength-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0,0,0,0.08);
    border-color: #c90026;
}

.strength-card .s-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #0b4aad, #2e6dd2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.strength-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.strength-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
}

/* 发展历程时间线 */
.timeline-section { margin-bottom: 4rem; }

.timeline-section h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.timeline {
    position: relative;
    padding-left: 36px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #0b4aad, #c90026);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 6px;
    width: 16px;
    height: 16px;
    background: #c90026;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(201, 0, 38, 0.3);
    transition: transform 0.2s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
}

.timeline-content {
    background: #fff;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    border: 1px solid #f2f6fd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    transition: all 0.25s ease;
}

.timeline-content:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    border-color: #cbd5e1;
}

.timeline-year {
    font-weight: 800;
    color: #0b4aad;
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.timeline-text { color: #475569; font-size: 0.9rem; line-height: 1.5; }

/* 荣誉资质 */
.honor-section { margin-bottom: 4rem; }

.honor-section h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1.5rem;
}

.honor-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.honor-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
    border-radius: 40px;
    padding: 0.55rem 1.4rem;
    font-size: 0.88rem;
    color: #0b4aad;
    border: 1px solid #e2e8f0;
    font-weight: 500;
    transition: all 0.2s ease;
}

.honor-item:hover {
    border-color: #c90026;
    color: #c90026;
    background: #fff;
    box-shadow: 0 4px 12px rgba(201, 0, 38, 0.1);
}

.honor-item i { font-size: 1.1rem; color: #c90026; }

/* 应用领域（卡片网格，支持图标/配图） */
.app-fields { margin-bottom: 4rem; }

.app-fields h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
}

.app-fields-sub {
    text-align: center;
    color: #64748b;
    font-size: 0.92rem;
    margin-bottom: 2rem;
}

.app-fields-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.app-field-card {
    background: #fff;
    border: 1px solid #e8edf3;
    border-radius: 16px;
    overflow: hidden;
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.app-field-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(11, 74, 173, 0.12);
    border-color: #c90026;
}

.app-field-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0b4aad 0%, #2e6dd2 100%);
    color: #fff;
    font-size: 1.5rem;
}

.app-field-card:hover .app-field-icon {
    background: linear-gradient(135deg, #c90026 0%, #e62e50 100%);
}

.app-field-thumb {
    margin: -1.5rem -1.25rem 1rem;
    height: 150px;
    overflow: hidden;
}

.app-field-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.app-field-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.5rem;
}

.app-field-card p {
    font-size: 0.84rem;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

/* 环境展示 */
.gallery-section { margin-bottom: 2rem; }

.gallery-section h2 {
    color: #0b4aad;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
}

.gallery-card {
    position: relative;
    width: 100%;
    height: 200px;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-card:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

.gallery-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.gallery-mask {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to top, rgba(7,28,56,0.66) 0%, rgba(7,28,56,0.20) 55%, rgba(7,28,56,0.05) 100%);
}

.gallery-icon {
    position: relative;
    z-index: 2;
    display: flex;
}

.gallery-label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    z-index: 3;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 1px 6px rgba(0,0,0,0.45);
}

/* 统计卡片 */
.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 3rem 0 2rem;
}

.stat-card {
    flex: 1;
    min-width: 150px;
    background: #fff;
    border-radius: 24px;
    padding: 2rem 1.2rem;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    border: 1px solid #f2f6fd;
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #c90026;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    color: #0b4aad;
    margin-bottom: 0.4rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
    letter-spacing: 0.5px;
    font-weight: 500;
}

@media (max-width: 980px) {
    .app-fields-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .about-container { padding: 2rem 1rem; }
    .culture-section { padding: 1.5rem; border-radius: 24px; }
    .culture-grid { flex-direction: column; }
    .timeline { padding-left: 28px; }
    .timeline::before { left: 8px; }
    .timeline-dot { left: -24px; }
    .timeline-content { padding: 0.8rem 1rem; }
    .stat-number { font-size: 2rem; }
    .banner-content h1 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
    .stats-grid { flex-direction: column; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .app-fields-grid { grid-template-columns: 1fr; }
}