/* ========================================
   活动页面样式 (Activities Page Styles)
   ======================================== */

/* 活动顶部图片区域 */
.activities-hero {
    width: 100%;
    margin: 0;
    display: flex;
    justify-content: center;
}

.hero-image {
    width: 100%;
    /*max-width: 1140px;*/
    height: auto;
    display: block;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Tab标签区域 */
.activities-tabs-section {
    padding: 60px 0;
    background-color: #fff;
}

.activities-tabs-section .container {
    margin: 0 auto;
    padding: 0 ;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    border: 2px solid #ddd;
    background-color: #fff;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 120px;
}

.tab-btn:hover {
    border-color: var(--main-color);
    color: var(--main-color);
}

.tab-btn.active {
    background-color: var(--main-color);
    border-color: var(--main-color);
    color: #fff;
}

.tab-content {
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* 活动列表样式 */
.activities-list {
    margin-top: 30px;
}

.activity-item {
    background: #F5F4EF;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    height: 240px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.activity-image {
    width: 320px;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

.activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.activity-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-title {
    font-size: 25px;
    color: var(--main-color);
    margin: 0;
    line-height: 1.4;
    margin-bottom: 5px;
}

.activity-time {
    font-size: 25px;
    color: #000;
    font-weight: 500;
}

.activity-description {
    font-size: 14px;
    color: #000;
    line-height: 1.5;
}

.activity-location {
    font-size: 14px;
    color: #000;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 4px;
}

.activity-action {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 20px 25px;
}

.activity-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 30px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 100px;
    white-space: nowrap;
}

.activity-btn.active {
    background-color:var(--main-color);
    color: #fff;
}

.activity-btn.active:hover {
    background-color:var(--main-color);
}

.activity-btn:not(.active) {
    background-color: #e0e0e0;
    color: #999;
    cursor: not-allowed;
}

.placeholder-text {
    text-align: center;
    color: #666;
    font-size: 16px;
    padding: 60px 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    border: 2px dashed #ddd;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .activities-hero {
        padding: 0;
    }

    .hero-image {
        padding: 0;
    }

    .activities-tabs-section {
        padding: 40px 0;
    }

    .activities-tabs-section .container {
        padding: 0 15px;
    }

    .tab-buttons {
        gap: 10px;
        margin-bottom: 30px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
        min-width: 80px;
    }

    .activities-list {
        padding: 15px;
    }

    .activity-item {
        flex-direction: column;
        margin-bottom: 15px;
        height: auto;
    }

    .activity-image {
        width: 100%;
        height: 200px;
    }

    .activity-content {
        padding: 15px 20px;
    }

    .activity-title {
        font-size: 16px;
    }

    .activity-time {
        font-size: 13px;
    }

    .activity-description {
        font-size: 12px;
    }

    .activity-location {
        font-size: 12px;
    }

    .activity-action {
        padding: 0 20px 15px;
        justify-content: center;
    }

    .activity-btn {
        padding: 5px 20px;
    }
}

@media (max-width: 576px) {
    .activities-hero {
        padding: 0;
    }

    .hero-image {
        padding: 0 ;
    }

    .activities-tabs-section {
        padding: 30px 0;
    }

    .activities-tabs-section .container {
        padding: 0 10px;
    }

    .tab-buttons {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .tab-btn {
        text-align: center;
        padding: 5px 20px;
    }

    .activities-list {
        padding: 10px;
    }

    .activity-item {
        margin-bottom: 12px;
        height: auto;
    }

    .activity-content {
        padding: 12px 15px;
    }

    .activity-title {
        font-size: 15px;
    }

    .activity-image {
        height: 180px;
    }

    .activity-action {
        padding: 0 15px 12px;
    }
}

/* ========================================
   弹框样式 (Modal Styles)
   ======================================== */

/* 弹框遮罩层 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

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

/* 弹框内容 */
.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 弹框头部 */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
}

.modal-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: #f5f5f5;
    color: #666;
}

/* 弹框主体 */
.modal-body {
    padding: 25px;
}

/* 联系表单样式 */
.modal-body .contact-form {
    width: 100%;
}

.modal-body .form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.modal-body .form-group {
    flex: 1;
}

.modal-body .form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.modal-body .form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.modal-body .form-submit {
    text-align: center;
    margin-top: 25px;
}

.modal-body .submit-btn {
    background-color: var(--main-color);
    color: white;
    border: none;
    padding: 12px 40px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.modal-body .submit-btn:hover {
    background-color: var(--main-color);
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(137, 28, 40, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }

    .modal-header {
        padding: 15px 20px;
    }

    .modal-title {
        font-size: 20px;
    }

    .modal-body {
        padding: 20px;
    }

    .modal-body .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .modal-body .form-control {
        padding: 10px 12px;
    }

    .modal-body .submit-btn {
        padding: 10px 30px;
        font-size: 14px;
    }
}