/* ============================================
   关于我们 / 产品服务 / 联系我们 专属样式
   ============================================ */

/* 页面 Hero */
.page-hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 60%);
    filter: blur(60px);
    z-index: -1;
}

.page-hero .breadcrumb {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.page-hero .breadcrumb a:hover {
    color: var(--accent-blue);
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.page-hero h1 .gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   关于我们
   ============================================ */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 32px;
    display: grid;
    gap: 20px;
}

.about-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about-feature .icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.about-feature h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0;
}

.about-visual {
    position: relative;
    height: 480px;
}

.about-card {
    position: absolute;
    background: rgba(26, 26, 78, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 16px;
    padding: 24px;
}

.ac-main {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    text-align: center;
}

.ac-main .big-num {
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.ac-main .desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

.ac-tl {
    top: 20px;
    left: 0;
    width: 200px;
}

.ac-br {
    bottom: 20px;
    right: 0;
    width: 220px;
}

.ac-tl h5, .ac-br h5 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.ac-tl ul, .ac-br ul {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
}

.ac-tl li::before, .ac-br li::before {
    content: '◆';
    color: var(--accent-purple);
    margin-right: 6px;
}

/* 时间线 */
.timeline {
    max-width: 880px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent 0%, var(--accent-purple) 10%, var(--accent-blue) 90%, transparent 100%);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    margin-bottom: 40px;
    align-items: center;
}

.timeline-year {
    text-align: right;
}

.timeline-year .year {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--gradient-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.6);
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 12px;
    padding: 20px 24px;
}

.timeline-content h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* 团队 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.team-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.5);
}

.team-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
}

.team-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-card .role {
    color: var(--accent-blue);
    font-size: 13px;
    margin-bottom: 12px;
}

.team-card p {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* 价值观 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.5);
}

.value-card .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.value-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

/* ============================================
   产品服务
   ============================================ */
.products-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 24px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-accent);
    color: white;
    border-color: transparent;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 36px 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-accent);
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
}

.product-card:hover::after {
    opacity: 0.5;
}

.product-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(124, 58, 237, 0.2);
    border: 1px solid rgba(124, 58, 237, 0.4);
    color: var(--accent-purple);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.product-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-accent);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
}

.product-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}

.product-card .product-desc {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    color: var(--text-secondary);
    font-size: 14px;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li::before {
    content: '✓';
    color: #10b981;
    font-weight: 700;
    flex-shrink: 0;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-blue);
    font-size: 14px;
    font-weight: 600;
}

.product-link:hover {
    gap: 10px;
}

/* 解决方案场景 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.scenario-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.5);
}

.scenario-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.scenario-card h4 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.scenario-tags span {
    padding: 3px 8px;
    background: rgba(79, 70, 229, 0.15);
    border-radius: 10px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* ============================================
   联系我们
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: flex-start;
}

.contact-info-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 40px;
}

.contact-info-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.contact-info-card > p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.contact-list {
    display: grid;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item .icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.contact-item .label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.contact-item .value {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.4;
}

.contact-item a.value:hover {
    color: var(--accent-blue);
}

.qr-section {
    padding-top: 24px;
    border-top: 1px solid rgba(79, 70, 229, 0.2);
}

.qr-section h5 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 600;
}

.qr-grid {
    display: flex;
    gap: 16px;
}

.qr-item {
    text-align: center;
}

.qr-item .qr-box {
    width: 110px;
    height: 110px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    margin-bottom: 8px;
}

.qr-item .qr-box svg {
    width: 100%;
    height: 100%;
}

.qr-item .qr-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 表单 */
.contact-form-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 40px;
}

.contact-form-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.contact-form-card > p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group label .required {
    color: #ef4444;
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10, 14, 39, 0.6);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(10, 14, 39, 0.8);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.6);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-tip {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 16px;
}

.form-success {
    display: none;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    color: #10b981;
    margin-top: 16px;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.form-success .success-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.form-success .success-title {
    color: #10b981;
    font-size: 18px;
    margin-bottom: 8px;
}

.form-success .success-text {
    color: #c7d2fe;
    font-size: 14px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 地图区域 */
.map-section {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 32px;
    margin-top: 48px;
    text-align: center;
}

.map-section h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
}

.map-section > p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.map-placeholder {
    height: 360px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.map-pin {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.5);
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

.map-pin::after {
    content: '';
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
}

@keyframes bounce {
    0%, 100% { transform: rotate(-45deg) translateY(0); }
    50% { transform: rotate(-45deg) translateY(-10px); }
}

.map-address {
    text-align: center;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.map-tip {
    color: var(--text-muted);
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .about-intro { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { height: 400px; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .page-hero { padding: 130px 0 60px; }
    .page-hero h1 { font-size: 32px; }
    .about-text h2 { font-size: 28px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-info-card, .contact-form-card { padding: 28px 20px; }
    .qr-item .qr-box { width: 90px; height: 90px; }
    .timeline::before { left: 16px; }
    .timeline-item { grid-template-columns: 32px 1fr; gap: 16px; }
    .timeline-year { display: none; }
    .timeline-dot { margin-left: 8px; }
}