/* ========================================
   赞助页面样式
   ======================================== */
.sponsor-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* 页面标题 */
.sponsor-hero {
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 30px;
}
.sponsor-hero h1 {
    font-size: 2rem;
    color: var(--dark);
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.sponsor-hero h1 i {
    color: var(--primary);
}
.sponsor-hero p {
    color: var(--gray);
    font-size: 1.1rem;
    margin: 0;
}

/* 赞助说明 */
.sponsor-intro {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}
.sponsor-intro-content {
    color: var(--gray);
    line-height: 1.8;
}
.sponsor-intro-content p {
    margin: 0 0 1rem 0;
}
.sponsor-intro-content p:last-child {
    margin-bottom: 0;
}

/* Tab 切换 */
.sponsor-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.sponsor-tab {
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--gray);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sponsor-tab:hover {
    color: var(--primary);
    border-color: var(--primary);
}
.sponsor-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.sponsor-tab i {
    font-size: 1rem;
}

/* Tab 内容 */
.sponsor-tab-content {
    display: none;
}
.sponsor-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 付款码卡片 */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.payment-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.payment-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.payment-card-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.payment-card-header.alipay {
    background: linear-gradient(135deg, #1677ff 0%, #4096ff 100%);
    color: white;
}
.payment-card-header.wechat {
    background: linear-gradient(135deg, #07c160 0%, #4caf50 100%);
    color: white;
}
.payment-card-header.qq {
    background: linear-gradient(135deg, #12b7f5 0%, #36b0f5 100%);
    color: white;
}
.payment-card-header i {
    font-size: 1.5rem;
}
.payment-card-header span {
    font-size: 1.1rem;
    font-weight: 600;
}
.payment-card-body {
    padding: 20px;
    text-align: center;
}
.payment-card-body img {
    max-width: 200px;
    width: 100%;
    border-radius: 8px;
    border: 2px solid #f3f4f6;
}
.payment-card-body .scan-hint {
    margin-top: 12px;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* 无付款码提示 */
.no-payment {
    background: var(--gray-bg);
    padding: 16px 20px;
    border-radius: var(--radius);
    color: var(--gray);
    text-align: center;
}

/* 赞助名单 */
.sponsor-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.sponsor-list-header h2 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sponsor-list-header h2 i {
    color: var(--primary);
}
.sponsor-total {
    background: var(--gray-bg);
    padding: 8px 16px;
    border-radius: var(--radius);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}
.sponsor-total i {
    margin-right: 4px;
}

/* 赞助者卡片网格 */
.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.sponsor-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.sponsor-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.sponsor-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 12px;
    overflow: hidden;
    border: 3px solid var(--border);
}
.sponsor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sponsor-avatar-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}
.sponsor-name {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    font-size: 1rem;
}
.sponsor-amount {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.sponsor-amount i {
    margin-right: 2px;
}
.sponsor-message {
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.5;
    background: var(--gray-bg);
    padding: 8px 12px;
    border-radius: var(--radius);
    margin-top: 8px;
}
.sponsor-date {
    color: var(--gray-light);
    font-size: 0.8rem;
    margin-top: 8px;
}

/* 空状态 */
.sponsor-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}
.sponsor-empty i {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.3;
    display: block;
}
.sponsor-empty p {
    font-size: 1.1rem;
    margin: 0;
}

/* 感谢语 */
.sponsor-thanks {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    background: var(--gray-bg);
    border-radius: var(--radius-xl);
}
.sponsor-thanks h3 {
    color: var(--primary);
    margin: 0 0 8px 0;
    font-size: 1.125rem;
}
.sponsor-thanks p {
    color: var(--gray);
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .sponsor-hero {
        padding: 30px 16px;
    }
    .sponsor-hero h1 {
        font-size: 1.5rem;
    }
    .sponsor-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .sponsor-tab {
        padding: 10px 16px;
        font-size: 0.9rem;
        white-space: nowrap;
    }
    .payment-methods {
        grid-template-columns: 1fr;
    }
    .sponsor-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}