/* 联系 - 信号波纹风格 */
.page-header-contact {
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.page-header-contact .signal-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.page-header-contact .wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(0,212,255,0.3);
    border-radius: 50%;
    animation: signalExpand 2.5s ease-out infinite;
}

.page-header-contact .wave:nth-child(1) {
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.page-header-contact .wave:nth-child(2) {
    width: 140px;
    height: 140px;
    animation-delay: 0.5s;
}

.page-header-contact .wave:nth-child(3) {
    width: 200px;
    height: 200px;
    animation-delay: 1s;
}

@keyframes signalExpand {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.8;
        border-color: rgba(0,212,255,0.5);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
        border-color: rgba(112,0,255,0);
    }
}

.page-header-contact .connection-nodes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.page-header-contact .node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(0,212,255,0.8);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0,212,255,0.5);
    animation: nodePulse 2s ease-in-out infinite;
}

.page-header-contact .node:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.page-header-contact .node:nth-child(2) { top: 30%; right: 25%; animation-delay: 0.5s; }
.page-header-contact .node:nth-child(3) { bottom: 25%; left: 30%; animation-delay: 1s; }
.page-header-contact .node:nth-child(4) { bottom: 35%; right: 20%; animation-delay: 1.5s; }

@keyframes nodePulse {
    0%, 100% { opacity: 0.3; transform: scale(1); box-shadow: 0 0 5px rgba(0,212,255,0.3); }
    50% { opacity: 1; transform: scale(1.5); box-shadow: 0 0 15px rgba(0,212,255,0.8), 0 0 30px rgba(112,0,255,0.5); }
}

/* ==================== 联系页面 ==================== */
.contact-page {
    background: #f3f4f6;
    padding: 20px 0 40px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.contact-card {
    background: #fff;
    border-radius: 16px;
    padding: 25px 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon-wrap {
    width: 60px;
    height: 60px;
    background: #f0fdfa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.contact-icon {
    font-size: 28px;
}

.contact-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 8px;
}

.contact-info-text {
    font-size: 14px;
    color: #0d9488;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-hint {
    font-size: 12px;
    color: #9ca3af;
}

/* 地址 */
.addresses-section {
    margin-bottom: 30px;
}

.address-list-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.address-card {
    background: #fff;
    border-radius: 12px;
    padding: 15px;
    border: 1px solid #e5e7eb;
}

.address-card.hq {
    border-color: #0d9488;
    background: linear-gradient(to right, #fff, #f0fdfa);
}

.address-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.address-header h4 {
    font-size: 16px;
    font-weight: 700;
    color: #111827;
}

.addr-tag {
    display: inline-block;
    padding: 2px 8px;
    background: #f3f4f6;
    color: #6b7280;
    font-size: 10px;
    font-weight: 600;
    border-radius: 4px;
}

.addr-tag.tag-hq {
    background: #0d9488;
    color: #fff;
}

.address-card p {
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
}

/* 公司简介 */
.company-intro {
    background: linear-gradient(135deg, #0d9488 0%, #059669 100%);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    color: #fff;
}

.intro-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.intro-content p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 15px;
}

.slogan {
    font-size: 20px;
    font-weight: 800;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}