/* --- 全局样式 --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- CSS变量系统 --- */
:root {
    /* 主题色彩 */
    --primary-color: #d24a41;
    --primary-hover: #b43d36;
    --secondary-color: #ffb84d;
    --info-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* 文字色彩 */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    /* 背景色彩 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #f5f5f5;
    --bg-dark: #1f2937;
    
    /* 边框与阴影 */
    --border-color: #e0e0e0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.12);
    
    /* 边框圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* 字体大小 */
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    margin: 0;
    padding: 2rem 1rem;
    -webkit-text-size-adjust: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* 确保 body 至少和视口一样高 */
    position: relative;
    overflow-x: hidden;

    /* 添加全局动画效果 */
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* --- 加载动画样式 --- */
#loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--bg-muted);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
body.loaded #loader-overlay {
    opacity: 0;
    visibility: hidden;
}

/* 加载动画容器 - 新样式 */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: var(--spacing-lg);
  z-index: 10000;
  transition: all 0.3s ease-out;
}

/* 加载动画旋转器 */
.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 加载动画文字 */
.loading-text {
  color: var(--text-color-primary);
  font-size: var(--font-size-lg);
  font-weight: 500;
  animation: fadeIn 1s ease-in-out infinite alternate;
}

/* 旧的加载层样式 - 保持兼容 */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}
.main-content {
    visibility: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
body.loaded .main-content {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

/* --- GitHub 角标样式 --- */
.github-corner {
    position: fixed;
    top: 0;
    right: 0;
    border: 0;
    width: 80px;
    height: 80px;
    z-index: 999;
    transition: transform 0.3s ease;
}
.github-corner:hover {
    transform: scale(1.05);
}
.github-corner svg {
    fill: var(--info-color);
    color: #fff;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}
.github-corner:hover .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
}
@keyframes octocat-wave {
    0%, 100% { transform: rotate(0); }
    20%, 60% { transform: rotate(-25deg); }
    40%, 80% { transform: rotate(10deg); }
}

/* --- 主内容区 --- */
.main-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* --- 横幅样式 --- */
.banner {
    text-align: center;
    animation: fadeInUp 0.8s ease 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-box {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out, subtleFloat 3s ease-in-out infinite;
    transition: box-shadow var(--transition-base);
}

.banner-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 235, 222, 0.3) 0%, rgba(255, 255, 255, 0) 90%),
        radial-gradient(circle at 80% 70%, rgba(210, 74, 65, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    opacity: 0.8;
}

.banner-box:hover {
    box-shadow: var(--shadow-hover);
}

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.banner {
    position: relative;
    z-index: 1;
}

.banner h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.7;
}

.banner h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 0.75rem 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    line-height: 1.2;
}

.banner p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
    text-shadow: 0 1px 2px rgba(255,255,255,0.8);
    line-height: 1.5;
}

/* --- 主容器 - 高斯模糊效果 --- */
.container {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-top: var(--spacing-xl);
    transition: var(--transition-base);
    animation: fadeInUp 0.8s ease 0.5s both;
}

.container:hover {
    box-shadow: var(--shadow-xl);
    background-color: rgba(255, 255, 255, 0.85);
    transform: translateY(-3px);
}

/* --- 二维码区域 --- */
.qr-section {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-bottom: 1.5rem;
    background-color: transparent;
}
.qr-code {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
    position: relative;
}

.qr-code:hover {
    transform: translateY(-5px);
}

.qr-code img {
    width: 150px;
    height: 150px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
    border: 4px solid white;
}

.qr-code:hover img {
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
    filter: brightness(1.05);
}

.qr-code::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-base);
}

.qr-code:hover::after {
    width: 80%;
}

/* --- 列表区域 --- */
.rewards-list {
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    position: relative;
    animation: fadeInUp 0.8s ease-out;
}

.rewards-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

/* --- 表格容器 --- */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

/* --- 表格样式 --- */
table {
    width: 100%;
    border-collapse: collapse;
    position: relative;
    background-color: var(--bg-primary);
}

/* 表格动画效果 */
table tbody tr {
    animation: fadeIn 0.5s ease;
    position: relative;
    z-index: 1;
    transition: background-color var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 为每行添加交错延迟效果 */
table tbody tr:nth-child(1) { animation-delay: 0.1s; }
table tbody tr:nth-child(2) { animation-delay: 0.2s; }
table tbody tr:nth-child(3) { animation-delay: 0.3s; }
table tbody tr:nth-child(4) { animation-delay: 0.4s; }
table tbody tr:nth-child(5) { animation-delay: 0.5s; }
table tbody tr:nth-child(n+6) { animation-delay: 0.6s; }

th, td {
    padding: 1.25rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
    position: relative;
}

/* 行悬停效果 */
tr:hover {
    background-color: rgba(249, 250, 251, 0.8);
}

tbody tr:hover td {
    transform: translateX(5px);
}

thead th {
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 2;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

tbody tr:last-child td {
    border-bottom: none;
}
td:nth-child(2) { text-align: right; font-weight: 500; }
td:nth-child(3) { text-align: right; color: var(--text-light); font-size: 0.875rem; }

/* --- 数字增长动画效果 --- */
.count-animation {
    transition: color var(--transition-base);
}

.count-animation:hover {
    color: var(--primary-color);
    transform: scale(1.05);
    display: inline-block;
}

/* --- 状态标签样式 --- */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

/* --- 高亮样式 --- */
.highlight {
    background-color: rgba(254, 226, 226, 0.8);
    position: relative;
    overflow: hidden;
}

.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
}

.highlight td:nth-child(2) {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.125rem;
    position: relative;
}

.highlight td:nth-child(2)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-base);
}

.highlight:hover td:nth-child(2)::after {
    width: 100%;
}

.highlight-secondary {
    background-color: rgba(255, 251, 235, 0.8);
    position: relative;
    overflow: hidden;
}

.highlight-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--secondary-color);
}

.highlight-secondary td:nth-child(2) {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 1.125rem;
    position: relative;
}

.highlight-secondary td:nth-child(2)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition-base);
}

.highlight-secondary:hover td:nth-child(2)::after {
    width: 100%;
}

/* --- 分页 --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl) var(--spacing-xl);
    gap: 0.75rem;
    background-color: transparent;
    animation: fadeInUp 0.9s ease-out;
}

.pagination button {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.pagination button.page-number {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.pagination button.page-number.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.pagination button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(210, 74, 65, 0.1), transparent);
    transition: left 0.5s;
}

.pagination button:hover::before {
    left: 100%;
}

.pagination button:hover:not(:disabled) {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-color);
}

.pagination button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.pagination button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
}

.pagination .page-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0 1rem;
    font-weight: 500;
    min-width: 120px;
    text-align: center;
}
.pagination .mobile-text {
    display: none;
}

/* --- 页脚样式 --- */
.footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.7s both;
    position: relative;
    opacity: 0;
    animation-fill-mode: forwards;
}

.footer::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    animation: fadeIn 0.8s ease 0.9s both;
}

.info-box {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: inline-block;
    max-width: 100%;
    opacity: 0;
    animation: fadeInUp 0.8s ease 1s both;
}

/* --- 增强的动画效果 --- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes subtlePulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* --- 响应式优化 --- */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    body {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .banner-box {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-top: var(--spacing-lg);
    }
    
    .container {
        margin-top: var(--spacing-lg);
    }
    
    .qrcode-area, .rewards-list {
        padding: var(--spacing-lg);
    }
    
    .pagination {
        padding: var(--spacing-lg) var(--spacing-md);
        flex-wrap: wrap;
    }
    
    th, td {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .footer {
        margin-top: var(--spacing-xl);
        padding-bottom: var(--spacing-lg);
    }
    
    /* 触摸设备优化 */
    @media (hover: none) and (pointer: coarse) {
        button, .qrcode {
            transition: none;
        }
        
        button:active, .qrcode:active {
            transform: scale(0.95);
        }
    }
}

.info-box:hover {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.info-box a {
    color: var(--info-color) !important;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    padding: 0 2px;
}

.info-box a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--info-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.info-box a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.copyright {
    color: var(--text-light);
    font-size: 0.875rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.copyright a {
    color: var(--text-light);
    font-weight: 600;
    text-decoration: none;
    margin: 0 0.5rem;
    transition: var(--transition-fast);
    position: relative;
}

.copyright a:hover {
    color: var(--info-color);
    text-shadow: 0 1px 2px rgba(59, 130, 246, 0.2);
}

/* --- 移动端响应式样式 --- */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem;
    }
    .banner-box {
        padding: 1.5rem 1rem;
    }
    .banner h1 {
        font-size: 1.5rem;
    }
    .container {
        margin-top: 1.5rem;
    }
    .rewards-list {
        padding: 1rem;
    }
    .pagination {
        padding: 1.5rem 1rem;
    }
    th, td {
        padding: 0.8rem 0.25rem;
    }
    .pagination .desktop-text {
        display: none;
    }
    .pagination .mobile-text {
        display: inline;
    }
    .pagination button {
        padding: 0.5rem 0.75rem;
    }
    .pagination {
        gap: 0.25rem;
    }
    .footer {
        margin-top: 1.5rem;
        padding-bottom: 1.5rem;
    }
    .info-box {
        font-size: 0.8rem;
    }
}