.contact-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}
.contact-heading {
    margin-bottom: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.contact-title {
    font-size: 3rem;
    color: #4a9eff;
    margin-bottom: 0; /* 移除底部间距 */
    text-shadow:
            0 0 5px #fff,
            0 0 10px rgba(255,255,255,0.8),
            0 0 20px rgba(74, 158, 255, 0.8),
            0 0 30px rgba(74, 158, 255, 0.6);
    font-family: 'Rajdhani', 'Montserrat', sans-serif;
    letter-spacing: 0.2rem;
    user-select: none;
    position: relative;
    display: inline-block;
    padding: 0 20px;
    animation: titleFloat 4s ease-in-out infinite, titleGlow 3s ease-in-out infinite;
}

.contact-subtitle {
    font-size: 1.4rem;  /* 增大字号 */
    color: #fff;        /* 改为白色 */
    margin-bottom: 40px;
    user-select: none;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
    font-weight: 500;
    letter-spacing: 1px;
    background: rgba(74, 158, 255, 0.15);
    padding: 10px 20px;
    border-radius: 30px;
    display: inline-block;
    border: 1px solid rgba(255,255,255,0.2);
}
@keyframes titleGlow {
    0%, 100% {
        text-shadow:
                0 0 5px #fff,
                0 0 10px rgba(255,255,255,0.8),
                0 0 20px rgba(74, 158, 255, 0.8),
                0 0 30px rgba(74, 158, 255, 0.6);
    }
    50% {
        text-shadow:
                0 0 10px #fff,
                0 0 20px rgba(255,255,255,1),
                0 0 30px rgba(74, 158, 255, 1),
                0 0 40px rgba(74, 158, 255, 0.8);
    }
}


.contact-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-card {
    width: 380px;
    background: rgba(30, 30, 30, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.contact-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.contact-header h2 {
    font-size: 1.5rem;
    color: #fff;
    margin: 0;
    display: flex;
    align-items: center;
    user-select: none;
}

.contact-platform-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.contact-account {
    font-size: 1.3rem;
    color: #4a9eff;
    font-weight: 600;
    margin-left: 5px;
    user-select: none;
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-tip {
    font-size: 0.9rem;
    color: #aaa;
    font-style: italic;
    margin: 5px 0 15px;
    user-select: none;
}

.qr-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 10px;
}

.qr-image {
    width: 180px;
    height: 180px;
    border: 2px solid rgba(74, 158, 255, 0.5);
    border-radius: 10px;
    padding: 10px;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    transform-origin: center center;
}

.qr-image:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(74, 158, 255, 0.3);
}

.qr-tip {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #b6dff1;
    user-select: none;
}

.contact-note {
    margin-top: 40px;
    font-size: 1.2rem;
    color: #fff;
    font-style: italic;
    user-select: none;
    animation: titleFloat 4s ease-in-out infinite;
}

@media (max-width: 768px) {
    .contact-title {
        font-size: 2.2rem;
    }

    .contact-subtitle {
        font-size: 1rem;
    }

    .contact-card {
        width: 100%;
        max-width: 350px;
    }

    .qr-image {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .contact-title {
        font-size: 1.8rem;
    }

    .contact-header h2 {
        font-size: 1.5rem;
    }

    .contact-account {
        font-size: 1.2rem;
    }

    .qr-image {
        width: 180px;
        height: 180px;
    }
}