/* ===== 联系我们页专属样式 ===== */

/* 页面头部（与其他页面统一的星星背景） */
.contact-hero {
    position: relative;
    overflow: hidden;
    padding: 160px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.contact-hero .container {
    position: relative;
    z-index: 10;
}

.contact-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.contact-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* 联系方式主体 */
.contact-section {
    padding: 60px 0 90px;
    background: var(--primary-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    position: relative;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    padding: 40px 32px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

/* 全息彩虹描边（下载页同款） */
.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: var(--accent-gradient-rainbow);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.45;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.18);
}

.contact-card:hover::before {
    opacity: 1;
}

.cc-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 1.4rem;
    margin-bottom: 14px;
    color: var(--text-color);
}

.contact-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 26px;
}

.cc-btn {
    display: inline-block;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    color: #fff;
    transition: var(--transition);
}

.cc-btn.wechat {
    background: linear-gradient(135deg, #1aad19 0%, #09bb07 100%);
    box-shadow: 0 6px 20px rgba(26, 173, 25, 0.35);
}

.cc-btn.qq {
    background: linear-gradient(135deg, #12b7f5 0%, #0084ff 100%);
    box-shadow: 0 6px 20px rgba(0, 132, 255, 0.35);
}

.cc-btn.order {
    background: linear-gradient(135deg, #ff9f43 0%, #ff7a00 100%);
    box-shadow: 0 6px 20px rgba(255, 122, 0, 0.35);
}

.cc-btn i {
    margin-right: 8px;
    font-size: 1rem;
}

.cc-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
}

/* 微信二维码弹窗 */
.contact-modal {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 15, 0.78);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.contact-modal.show {
    display: flex;
}

.modal-card {
    position: relative;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 18px;
    padding: 36px 32px 30px;
    width: 320px;
    max-width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.25s ease;
}

/* 全息彩虹描边（下载页同款） */
.modal-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: var(--accent-gradient-rainbow);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.7;
    transition: var(--transition);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-color);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.18);
}

.modal-card h3 {
    font-size: 1.3rem;
    margin-bottom: 18px;
    color: var(--text-color);
}

.qr-box {
    width: 220px;
    height: 220px;
    margin: 0 auto 16px;
    border-radius: 12px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.qr-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-placeholder {
    flex-direction: column;
    gap: 10px;
    color: #333;
    text-align: center;
    padding: 16px;
}

.qr-placeholder span {
    font-size: 1.1rem;
    font-weight: 700;
}

.qr-placeholder small {
    color: #777;
    line-height: 1.6;
}

.modal-tip {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 576px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-hero h1 {
        font-size: 2.1rem;
    }
}