/* ============================================
   链接区域和特别活动样式
   ============================================ */

/* 链接区域 */
.links-section {
    margin-top: 60px;
    text-align: center;
}

.links-section h3 {
    font-size: 32px;
    color: var(--text-primary);
    margin-bottom: 40px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

/* 链接卡片 */
.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 30px;
    background: var(--bg-card);
    border-radius: 20px;
    text-decoration: none;
    border: 2px solid var(--primary-light);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-medium));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-dark);
}

.link-card:hover::before {
    transform: scaleX(1);
}

.link-icon {
    font-size: 56px;
    margin-bottom: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-card:hover .link-icon {
    transform: scale(1.2) rotate(5deg);
}

.link-card h4 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.link-card p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 特别活动区域 */
.special-event-section {
    margin-top: 80px;
    text-align: center;
}

.special-event-section h2 {
    font-size: 48px;
    color: var(--text-primary);
    margin-bottom: 50px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

/* 活动大卡片 */
.event-card {
    background: linear-gradient(135deg, var(--bg-card), var(--primary-light));
    border-radius: 30px;
    padding: 50px;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--primary-medium);
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(236, 64, 122, 0.1) 0%, transparent 70%);
    animation: eventPulse 4s ease-in-out infinite;
}

@keyframes eventPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.event-card > * {
    position: relative;
    z-index: 1;
}

/* 活动头部 */
.event-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.event-badge {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    color: #ffffff;
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

.event-title h3 {
    font-size: 42px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.event-title p {
    font-size: 20px;
    color: var(--text-secondary);
}

/* 活动内容 */
.event-content {
    display: grid;
    gap: 40px;
    margin-bottom: 40px;
}

.event-time,
.countdown-container,
.event-preview {
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 20px;
    border: 2px solid var(--primary-light);
}

.event-time h4,
.countdown-container h4,
.event-preview h4 {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.event-date {
    font-size: 28px;
    color: var(--text-primary);
    font-weight: 700;
}

/* 倒计时 */
.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    min-width: 100px;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--primary-light);
}

.countdown-number {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

.countdown-label {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 600;
}

/* 活动预告列表 */
.event-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 15px;
}

.event-list li {
    font-size: 18px;
    color: var(--text-primary);
    padding: 12px 20px;
    background: var(--bg-card);
    border-radius: 10px;
    border-left: 4px solid var(--primary-dark);
    transition: all 0.3s ease;
}

.event-list li:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

/* 活动底部按钮 */
.event-footer {
    text-align: center;
}

.btn-event {
    padding: 16px 48px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    box-shadow: var(--shadow-lg);
}

.btn-event:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(236, 64, 122, 0.3);
}

.btn-event:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .links-section h3 {
        font-size: 28px;
    }
    
    .special-event-section h2 {
        font-size: 36px;
    }
    
    .event-card {
        padding: 30px 20px;
    }
    
    .event-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .event-title h3 {
        font-size: 32px;
    }
    
    .countdown {
        gap: 10px;
    }
    
    .countdown-item {
        min-width: 70px;
    }
    
    .countdown-number {
        font-size: 40px;
    }
    
    .countdown-label {
        font-size: 14px;
    }
    
    .event-date {
        font-size: 22px;
    }
    
    .event-list li {
        font-size: 16px;
    }
    
    .btn-event {
        padding: 14px 36px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .links-section {
        margin-top: 40px;
    }
    
    .special-event-section {
        margin-top: 50px;
    }
    
    .event-card {
        padding: 20px 15px;
        border-radius: 20px;
    }
    
    .event-header {
        margin-bottom: 30px;
    }
    
    .event-title h3 {
        font-size: 28px;
    }
    
    .countdown {
        flex-wrap: wrap;
    }
    
    .countdown-item {
        min-width: 60px;
    }
    
    .countdown-number {
        font-size: 32px;
    }
}