/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #e8f5e8 0%, #f9f9e8 50%, #f5f5f5 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0 0 20px 20px;
    margin-bottom: 20px;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 28px;
    color: #7fb069;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
    margin: 0;
}

.refresh-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7fb069, #a8cc8c);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(127, 176, 105, 0.3);
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(127, 176, 105, 0.4);
}

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

.refresh-btn i {
    color: white;
    font-size: 18px;
}

.refresh-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 主内容区域 */
.main-content {
    flex: 1;
    margin-bottom: 20px;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: white;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

.loading p {
    font-size: 16px;
    opacity: 0.9;
}

/* 错误状态 */
.error {
    text-align: center;
    padding: 60px 20px;
    color: white;
}

.error i {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.error p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.retry-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.retry-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 热搜列表 */
.hot-list {
    display: grid;
    gap: 16px;
}

.hot-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hot-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.hot-item-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 12px;
}

.rank-badge {
    min-width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: white;
    flex-shrink: 0;
}

.rank-badge.top-1 {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.rank-badge.top-2 {
    background: linear-gradient(135deg, #ffa726, #ff7043);
    box-shadow: 0 4px 15px rgba(255, 167, 38, 0.3);
}

.rank-badge.top-3 {
    background: linear-gradient(135deg, #ffca28, #ffa000);
    box-shadow: 0 4px 15px rgba(255, 202, 40, 0.3);
}

.rank-badge.normal {
    background: linear-gradient(135deg, #7fb069, #a8cc8c);
    box-shadow: 0 4px 15px rgba(127, 176, 105, 0.3);
}

.hot-item-content {
    flex: 1;
    min-width: 0;
}

.hot-title {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-desc {
    font-size: 14px;
    color: #718096;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.hot-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.hot-score {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #7fb069;
    font-weight: 600;
    font-size: 14px;
}

.hot-score i {
    font-size: 12px;
}

.hot-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(127, 176, 105, 0.2);
}

/* 底部 */
.footer {
    text-align: center;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    line-height: 1.5;
}

.update-time {
    margin-bottom: 4px;
    font-weight: 500;
}

.data-source {
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .header {
        padding: 16px 0;
        margin-bottom: 16px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .logo i {
        font-size: 24px;
    }
    
    .refresh-btn {
        width: 40px;
        height: 40px;
    }
    
    .refresh-btn i {
        font-size: 16px;
    }
    
    .hot-list {
        gap: 12px;
    }
    
    .hot-item {
        padding: 16px;
    }
    
    .hot-item-header {
        gap: 12px;
        margin-bottom: 10px;
    }
    
    .rank-badge {
        min-width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .hot-title {
        font-size: 15px;
    }
    
    .hot-desc {
        font-size: 13px;
    }
    
    .hot-score {
        font-size: 13px;
    }
    
    .hot-avatar {
        width: 20px;
        height: 20px;
        border: 2px solid rgba(127, 176, 105, 0.2);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }
    
    .hot-item {
        padding: 12px;
    }
    
    .hot-title {
        font-size: 14px;
    }
    
    .hot-desc {
        font-size: 12px;
    }
}

/* 动画效果 */
.hot-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hot-item:nth-child(1) { animation-delay: 0.1s; }
.hot-item:nth-child(2) { animation-delay: 0.2s; }
.hot-item:nth-child(3) { animation-delay: 0.3s; }
.hot-item:nth-child(4) { animation-delay: 0.4s; }
.hot-item:nth-child(5) { animation-delay: 0.5s; }
.hot-item:nth-child(n+6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}