/* 联系页面样式 */

/* 页面标题 */
.page-title {
    background-color: transparent; /* 使用站点灰蓝底 */
    padding: 40px 0;
    margin-bottom: 60px;
}

.page-title h1 {
    font-size: 2.5em;
    color: #333;
    margin: 0;
    margin-bottom: 10px;
}

.breadcrumb {
    color: #666;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #007bff;
}

/* 联系信息 */
.contact-info-section {
    padding: 60px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    align-items: stretch; /* 让同一行的子项等高 */
}
/* 兼容包裹在 <a> 里的卡片，确保网格子项拉满高度 */
.info-grid > * { height: 100%; }
.info-grid > a { display: block; height: 100%; text-decoration: none; color: inherit; }

.info-item {
    text-align: center;
    padding: 30px;
    background: rgba(255,255,255,0.60);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.22);
    transition: transform 0.3s ease;
    height: 100%; /* 等高 */
    display: flex; /* 使内部垂直布局 */
    flex-direction: column;
    justify-content: flex-start;
    backdrop-filter: saturate(1.05) blur(2px);
}

.info-item:hover {
    transform: translateY(-10px);
}
/* 让标题和内容区域不挤压底部间距 */
.info-item h3 { margin-top: 16px; }
.info-item p:last-child { margin-bottom: 0; }

.info-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: #007bff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.info-icon i {
    font-size: 1.8em;
    color: #fff;
}

.info-item h3 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 15px;
}

.info-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 联系表单 */
.contact-form-section {
    padding: 80px 0;
    background: transparent;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255,255,255,0.60);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.22);
    backdrop-filter: saturate(1.05) blur(2px);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 15px;
}

.form-header p {
    color: #666;
    line-height: 1.6;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group:nth-last-child(2),
.form-group:last-child {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #007bff;
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn,
.contact-form button[type="submit"] {
    grid-column: 1 / -1;
    justify-self: center; /* 在网格中水平居中 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 280px; /* 约等于红框宽度 */
    height: 44px; /* 约等于红框高度 */
    padding: 0 16px; /* 仅左右内边距，避免过高 */
    margin: 24px auto 0; /* 居中 */
    background: linear-gradient(180deg, #2563EB 0%, #1D4ED8 100%);
    color: #fff;
    border: none;
    border-radius: 9999px; /* 胶囊形状 */
    font-size: 1.125rem;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover,
.contact-form button[type="submit"]:hover {
    background: linear-gradient(180deg, #2563EB 0%, #1D4ED8 100%);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
}

/* 地图 */
.map-section {
    padding: 80px 0;
}

.map-section h2 {
    text-align: center;
    font-size: 2em;
    color: #333;
    margin-bottom: 40px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

#map {
    width: 100%;
    height: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        padding: 30px 0;
        margin-bottom: 40px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .form-container {
        padding: 30px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .map-container {
        height: 300px;
    }
}

@media (max-width: 576px) {
    .form-header h2 {
        font-size: 1.8em;
    }

    .submit-btn,
    .contact-form button[type="submit"] {
        width: 100%;
    }
}

/* 文件上传区域样式 */
.file-upload-container {
    margin-bottom: 20px;
}

.file-upload-area {
    border: 2px dashed #ddd;
    border-radius: 5px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-area.dragover {
    border-color: #007bff;
    background-color: rgba(0, 123, 255, 0.05);
}

.file-upload-icon {
    font-size: 2em;
    color: #666;
    margin-bottom: 10px;
}

.file-upload-text {
    color: #666;
    margin-bottom: 5px;
}

.file-upload-help {
    color: #999;
    font-size: 0.9em;
}

.file-upload-input {
    display: none;
}

.file-list {
    margin-top: 15px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 8px;
    background: rgba(255,255,255,0.60);
    border-radius: 6px;
    margin-bottom: 5px;
    border: 1px solid rgba(255,255,255,0.22);
}

.file-name {
    flex: 1;
    margin-right: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    color: #666;
    margin-right: 10px;
}

.remove-file {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    padding: 0 5px;
    font-size: 1.2em;
}

.remove-file:hover {
    color: #c82333;
}

/* 消息提示样式 */
.success-message,
.error-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 30px;
    border-radius: 5px;
    z-index: 1000;
    display: flex;
    align-items: center;
    animation: slideDown 0.3s ease;
}

.success-message {
    background-color: #28a745;
    color: #fff;
}

.error-message {
    background-color: #dc3545;
    color: #fff;
}

.success-message i,
.error-message i {
    margin-right: 10px;
}

@keyframes slideDown {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}