/* 关于我们页面样式 */
.about-hero {
    min-height: 500px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 60%);
}
.about-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.3), transparent);
}
.about-hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}
.about-hero-content {
    flex: 1;
}
.about-hero .section-tag {
    color: #60a5fa;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: block;
}
.about-hero h1 {
    font-size: 42px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
}
.about-hero h1 span {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-hero p {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}
.hero-stats {
    display: flex;
    gap: 40px;
}
.hero-stat {
    text-align: center;
}
.hero-stat .number {
    font-size: 36px;
    font-weight: bold;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-stat .label {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-top: 5px;
}
.about-hero-image {
    width: 400px;
    height: 350px;
    background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(96,165,250,0.05));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(59,130,246,0.2);
}
.about-hero-image i {
    font-size: 120px;
    color: rgba(59,130,246,0.3);
}

/* 公司简介 */
.company-intro {
    padding: 80px 0;
    background: #ffffff;
}
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.intro-image {
    height: 400px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.intro-image::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}
.intro-image i {
    font-size: 100px;
    color: rgba(255,255,255,0.4);
    position: relative;
    z-index: 1;
}
.intro-content .section-tag {
    color: #3b82f6;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.intro-content h2 {
    font-size: 32px;
    color: #1e293b;
    font-weight: bold;
    margin-bottom: 20px;
}
.intro-content p {
    color: #64748b;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 15px;
}
.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.intro-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}
.intro-feature i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    font-size: 16px;
}
.intro-feature span {
    color: #1e293b;
    font-size: 14px;
    font-weight: 500;
}

/* 使命愿景 */
.mission-vision {
    padding: 80px 0;
    background: #f8fafc;
}
.mission-vision .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.mission-vision .section-tag {
    color: #3b82f6;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.mission-vision .section-title {
    font-size: 32px;
    color: #1e293b;
    font-weight: bold;
}
.mv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.mv-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}
.mv-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transform: translateY(-5px);
    border-color: #3b82f6;
}
.mv-card .mv-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}
.mv-card .mv-icon i {
    font-size: 32px;
    color: #ffffff;
}
.mv-card h3 {
    font-size: 22px;
    color: #1e293b;
    font-weight: bold;
    margin-bottom: 15px;
}
.mv-card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.7;
}

/* 发展历程 */
.timeline-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}
.timeline-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}
.timeline-section .section-tag {
    color: #60a5fa;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.timeline-section .section-title {
    font-size: 32px;
    color: #ffffff;
    font-weight: bold;
}
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #3b82f6, rgba(59,130,246,0.2));
    transform: translateX(-50%);
}
.timeline-item {
    display: flex;
    align-items: center;
    position: relative;
}
.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}
.timeline-item:nth-child(odd) .timeline-content {
    text-align: left;
    padding-right: 26px;
    padding-left: 26px;
    margin-left: 35px;
}
.timeline-item:nth-child(even) .timeline-content {
    padding-left: 26px;
    margin-right: 35px;
}
.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: #3b82f6;
    border-radius: 50%;
    border: 4px solid #0f172a;
    z-index: 1;
}
.timeline-content {
    width: 45%;
    border-radius: 16px;
    padding: 22px 26px;
    transition: all 0.3s;
}
.timeline-year {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
}
.timeline-content h4 {
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
}
.timeline-content p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    line-height: 1.6;
}
.timeline-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.timeline-icon i {
    font-size: 18px;
    color: #ffffff;
}
.timeline-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.timeline-item:nth-child(odd) .timeline-content .timeline-header {
    flex-direction: row;
}

/* 核心优势 */
.advantages {
    padding: 80px 0;
    background: #ffffff;
}
.advantages .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.advantages .section-tag {
    color: #3b82f6;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.advantages .section-title {
    font-size: 32px;
    color: #1e293b;
    font-weight: bold;
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.adv-card {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #bfdbfe;
}
.adv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59,130,246,0.15);
}
.adv-card .adv-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.adv-card .adv-icon i {
    font-size: 28px;
    color: #ffffff;
}
.adv-card h4 {
    font-size: 18px;
    color: #1e293b;
    font-weight: bold;
    margin-bottom: 10px;
}
.adv-card p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
}

/* 团队介绍 */
.team-section {
    padding: 80px 0;
    background: #f8fafc;
}
.team-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.team-section .section-tag {
    color: #3b82f6;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.team-section .section-title {
    font-size: 32px;
    color: #1e293b;
    font-weight: bold;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.team-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}
.team-card:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}
.team-avatar {
    height: 200px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
}
.team-avatar i {
    font-size: 60px;
    color: rgba(255,255,255,0.5);
}
.team-info {
    padding: 25px;
    text-align: center;
}
.team-info h4 {
    font-size: 18px;
    color: #1e293b;
    font-weight: bold;
    margin-bottom: 5px;
}
.team-info .position {
    color: #3b82f6;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 10px;
}
.team-info p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.5;
}

/* 荣誉资质 */
.honors {
    padding: 80px 0;
    background: #f8fafc;
}
.honors .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.honors .section-tag {
    color: #3b82f6;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.honors .section-title {
    font-size: 32px;
    color: #1e293b;
    font-weight: bold;
}
.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.honor-card {
    background: #FFF;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}
.honor-card:hover {
    border-color: #3b82f6;
    background: #eff6ff;
}
.honor-card .honor-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}
.honor-card .honor-icon i {
    font-size: 24px;
    color: #ffffff;
}
.honor-card h4 {
    font-size: 15px;
    color: #1e293b;
    font-weight: bold;
    line-height: 1.4;
}

/* 合作伙伴 */
.partners {
    padding: 60px 0;
    background: #FFFFFF;
}
.partners .container {
    text-align: center;
}
.partners h3 {
    font-size: 20px;
    color: #1e293b;
    font-weight: bold;
    margin-bottom: 30px;
}
.partners-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}
.partner-logo {
    width: 160px;
    height: 80px;
    background: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    padding: 10px;
    overflow: hidden;
}
.partner-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.partner-logo:hover {
    border-color: #3b82f6;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.partner-logo i {
    font-size: 30px;
    color: #94a3b8;
}

/* CTA区域 */
.about-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    text-align: center;
}
.about-cta h2 {
    font-size: 32px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 15px;
}
.about-cta p {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin-bottom: 30px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}
.cta-buttons .btn-white {
    padding: 15px 35px;
    background: #ffffff;
    color: #2563eb;
    border-radius: 30px;
    font-size: 15px;
    font-weight: bold;
    transition: all 0.3s;
}
.cta-buttons .btn-white:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.cta-buttons .btn-outline {
    padding: 15px 35px;
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 30px;
    font-size: 15px;
    font-weight: bold;
    transition: all 0.3s;
}
.cta-buttons .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #ffffff;
}

@media (max-width: 1024px) {
    .about-hero .container { flex-direction: column; text-align: center; }
    .about-hero-image { width: 100%; max-width: 400px; }
    .hero-stats { justify-content: center; }
    .intro-grid { grid-template-columns: 1fr; }
    .mv-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .honors-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(odd) { flex-direction: column; align-items: flex-start; padding-left: 50px; }
    .timeline-item .timeline-content, .timeline-item:nth-child(odd) .timeline-content { width: 100%; text-align: left; padding: 0; }
    .timeline-dot { left: 20px; }
}
@media (max-width: 768px) {
    .about-hero h1 { font-size: 32px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .mv-grid { grid-template-columns: 1fr; }
    .adv-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .honors-grid { grid-template-columns: 1fr; }
    .cta-buttons { flex-direction: column; align-items: center; }
}

/* 联系弹窗 */
.contact-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.contact-modal-overlay.show {
    display: flex;
}
.contact-modal {
    background: #0a0a0a;
    border-radius: 16px;
    padding: 95px 49px;
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    max-width: 700px;
    width: 90%;
}
.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 22px;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    opacity: 0.5;
    line-height: 1;
    transition: opacity 0.2s;
}
.contact-modal-close:hover { opacity: 1; }
.contact-modal-left { flex: 1; }
.contact-modal-logo { max-width: 160px; margin-bottom: 16px; display: block; }
.contact-modal-tagline {
    color: #fff;
    font-size: 20px;
    font-weight: 500;
    line-height: 1.6;
    margin: 0;
}
.contact-modal-right { display: flex; gap: 32px; }
.contact-qr-item { text-align: center; }
.contact-qr-item img {
    width: 110px;
    height: 110px;
    display: block;
    object-fit: contain;
    margin-bottom: 8px;
    background: #fff;
    border-radius: 6px;
    padding: 4px;
}
.contact-qr-label { color: rgba(255,255,255,0.75); font-size: 13px; }
@media (max-width: 600px) {
    .contact-modal { flex-direction: column; padding: 36px 24px; gap: 32px; }
    .contact-modal-right { justify-content: center; }
}