/* ============================================
   白色纯净主题 - 简洁优雅
   设计风格：清爽明亮 + 现代简约
   ============================================ */

/* ============================================
   1. CSS 变量 - 设计系统
   ============================================ */
:root {
    /* 主色调 - 清新柔和蓝 */
    --primary: #4A90D9;
    --primary-light: #7FB3E8;
    --primary-dark: #357ABD;
    --secondary: #7A8492;
    
    /* 功能色 */
    --success: #10B981;
    --success-light: #34D399;
    --warning: #F59E0B;
    --warning-light: #FBBF24;
    --danger: #EF4444;
    --danger-light: #F87171;
    
    /* 背景色系统 - 柔和米白 */
    --bg-primary: #FAFBFC;
    --bg-secondary: #FFFFFF;
    --bg-gradient-start: #F5F7FA;
    --bg-gradient-mid: #FFFFFF;
    --bg-gradient-end: #F0F4F8;
    
    /* 卡片背景 - 柔和白色 */
    --card-bg: #FFFFFF;
    --card-bg-hover: #F8FAFC;
    --card-border: #E4E7ED;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --card-shadow-hover: 0 8px 20px rgba(74,144,217,0.12), 0 3px 6px rgba(0,0,0,0.08);
    
    /* 文字色 - 柔和层次 */
    --text-primary: #2C3E50;
    --text-secondary: #5D6D7E;
    --text-tertiary: #95A5A6;
    --text-muted: #D0D7E0;
    
    /* 边框和分隔线 */
    --border-light: #E4E7ED;
    --border-medium: #D0D7E0;
    
    /* 装饰色 */
    --accent-blue: rgba(74, 144, 217, 0.1);
    --accent-silver: rgba(107, 114, 128, 0.08);
    
    /* 字体 - 现代无衬线 */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    
    /* 动画 - 平滑流畅 */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* 圆角 - 简约风格 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* ============================================
   2. 基础重置和全局样式
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 背景装饰 - 简约风格 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    overflow: hidden;
}

.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 30s ease-in-out infinite;
}

.background-animation::before {
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.08);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.background-animation::after {
    width: 300px;
    height: 300px;
    background: rgba(16, 185, 129, 0.06);
    bottom: -50px;
    left: -50px;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-15px, 15px) scale(0.98); }
    75% { transform: translate(15px, 20px) scale(1.02); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* 焦点样式 */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 文本选择 */
::selection {
    background-color: var(--accent-blue);
    color: var(--text-primary);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ============================================
   2. 导航栏样式
   ============================================ */
.navbar {
    display: flex;
    width: 100%;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 24px;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--primary);
}

.navbar-brand i {
    font-size: 1.4rem;
    color: var(--primary);
}

.navbar-center {
    display: flex;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.uptime-display {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.06), rgba(74, 144, 217, 0.02));
    padding: 5px 16px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(74, 144, 217, 0.12);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.uptime-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 217, 0.04), transparent);
    animation: uptimeShimmer 8s ease-in-out infinite;
}

@keyframes uptimeShimmer {
    0%, 100% { transform: translateX(-50%); }
    50% { transform: translateX(50%); }
}

.uptime-display:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(74, 144, 217, 0.15);
    border-color: rgba(74, 144, 217, 0.3);
}

.uptime-prefix {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-right: 8px;
    padding-right: 8px;
    border-right: 1px solid rgba(74, 144, 217, 0.15);
    white-space: nowrap;
    flex-shrink: 0;
    align-self: center;
}

.uptime-single {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
    flex-wrap: wrap;
}

.time-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 2px 8px;
    border-radius: 6px;
    transition: var(--transition-fast);
    flex: 1;
    min-width: 40px;
}

.time-segment:hover {
    background: rgba(74, 144, 217, 0.06);
}

.time-value {
    font-weight: 800;
    font-size: 1.15rem;
    background: linear-gradient(135deg, #357ABD, #4A90D9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    min-width: 1.6em;
    text-align: center;
    letter-spacing: -0.5px;
    position: relative;
}

.time-segment:first-child .time-value {
    font-size: 1.25rem;
    min-width: 2.2em;
}

.time-label {
    font-size: 0.6rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
    margin-top: 1px;
}

.time-colon {
    display: flex;
    align-items: center;
    padding: 0 2px;
    align-self: center;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.time-colon span {
    display: block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.5;
    animation: colonPulse 2s ease-in-out infinite;
    box-shadow: 0 0 4px rgba(74, 144, 217, 0.3);
}

@keyframes colonPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

.navbar-right {
    display: flex;
    align-items: center;
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.navbar-link:hover {
    background: var(--accent-blue);
    color: var(--primary);
}

.navbar-link i {
    font-size: 0.95rem;
}

/* ============================================
   3. 头部样式 - 醒目美观
   ============================================ */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 0 16px 0;
    border-bottom: none;
    margin-bottom: 0;
    width: 100%;
}

.uptime-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, #f8fafc 100%);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 16px 16px;
    box-shadow: 0 4px 16px rgba(74, 144, 217, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0;
    position: relative;
    overflow: hidden;
    z-index: 1;
    margin-bottom: 0;
    max-width: 100%;
    width: 100%;
    transition: var(--transition-normal);
}

.uptime-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-dark), var(--primary), var(--primary-light));
    opacity: 1;
}

.uptime-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.03) 0%, transparent 50%);
    opacity: 1;
    pointer-events: none;
}

.uptime-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(74, 144, 217, 0.25), 0 3px 12px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-dark);
}

.uptime-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.3);
    flex-shrink: 0;
}

.uptime-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.uptime-label {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 19px;
    text-align: left;
}

.uptime-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    letter-spacing: -0.5px;
    text-shadow: 0 1px 2px rgba(74, 144, 217, 0.1);
}

.logo-section {
    text-align: center;
    margin-top: 0;
    margin-bottom: 0;
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    width: 100%;
    padding: 0;
    text-align: center;
}

.logo-image {
    width: 18rem;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    max-width: 100%;
    background: transparent;
    transition: var(--transition-fast);
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.06));
}

.logo-image:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 6px 16px rgba(59, 130, 246, 0.1));
}

/* ============================================
   4. 主内容区
   ============================================ */
.main-content {
    padding: 8px 0 16px;
}

.hero-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    align-items: center;
    text-align: center;
}

/* 统计卡片 - 简约设计 */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 16px 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 14px 12px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--primary);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 1.15rem;
    transition: var(--transition-fast);
}

.stat-card:nth-child(1) .stat-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.stat-card:nth-child(2) .stat-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-card:nth-child(3) .stat-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-card:nth-child(4) .stat-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-card:hover .stat-icon {
    transform: scale(1.05);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3px;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   5. 验证区域 - 简约设计
   ============================================ */
.verification-section {
    margin: 16px 0;
}

.verification-box {
    max-width: 520px;
    margin: 0 auto 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: 20px 24px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

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

.verification-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--primary));
}

.input-group {
    margin-bottom: 20px;
    position: relative;
}

.verification-box input {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition-fast);
    box-sizing: border-box;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.verification-box input::placeholder {
    color: var(--text-tertiary);
}

.verification-box input:hover {
    border-color: var(--border-medium);
}

.verification-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 10px;
    text-align: center;
}

/* 验证按钮 - 简约设计 */
.btn-verify {
    width: 100%;
    padding: 14px 32px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
 align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-verify:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-verify:active:not(:disabled) {
    transform: translateY(0);
}

.btn-verify:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loading-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    display: none;
}

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

/* ============================================
   6. 验证结果样式 - 简约设计
   ============================================ */
.result-genuine, .result-fake, .result-blacklist {
    width: 100%;
    padding: 20px;
    border-radius: var(--radius-lg);
    animation: fadeIn 0.3s ease;
    border: 1px solid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-genuine {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.2);
}

.result-fake {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.result-blacklist {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.2);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.result-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.result-genuine .result-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.result-fake .result-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.result-blacklist .result-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.result-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.result-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.detail-item {
    background: white;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
}

.detail-label {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   7. 最近验证记录
   ============================================ */
.recent-verifications {
    max-width: 520px;
    margin: 0 auto;
}

.recent-verifications h4 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.records-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 16px;
    max-height: 280px;
    overflow-y: auto;
}

.record-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

.record-item:last-child {
    border-bottom: none;
}

.record-item:hover {
    background: var(--bg-primary);
}

.record-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 12px;
}

.record-status.genuine {
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.record-status.fake {
    background: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.record-info {
    flex: 1;
}

.record-contact {
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.record-time {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ============================================
   8. 页脚
   ============================================ */
.footer {
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    gap: 4px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-logo i {
    color: var(--primary);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin: 0;
}

.beian {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    margin: 0;
}

/* ============================================
   9. 响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .navbar-inner {
        padding: 8px 16px;
    }
    
    .navbar-brand span {
        display: none;
    }
    
    .navbar-brand i {
        font-size: 1.5rem;
    }
    
    .uptime-display {
        padding: 4px 10px;
    }
    
    .uptime-prefix {
        font-size: 0.6rem;
        margin-right: 6px;
        padding-right: 6px;
    }
    
    .uptime-single {
        gap: 1px;
    }
    
    .time-segment:first-child .time-value {
        font-size: 1rem;
    }
    
    .time-segment:not(:first-child) .time-value {
        font-size: 0.9rem;
    }
    
    .time-label {
        font-size: 0.55rem;
    }
    
    .time-colon span {
        width: 2px;
        height: 2px;
    }
    
    .logo-section {
        margin: 12px 0;
    }
    
    .logo-image {
        width: 100px;
        height: 100px;
    }
    
    .site-title {
        font-size: 1.3rem;
    }
    
    .site-subtitle {
        font-size: 0.8rem;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin: 12px 0;
    }
    
    .stat-card {
        padding: 12px 10px;
        border-radius: var(--radius-lg);
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .verification-section {
        margin: 12px 0;
    }
    
    .verification-box {
        padding: 16px 18px;
        margin: 0 auto 12px;
    }
    
    .verification-box input {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    .btn-verify {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .input-hint {
        font-size: 0.72rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }
    
    .footer-text {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .navbar-inner {
        padding: 6px 12px;
    }
    
    .uptime-display {
        padding: 3px 8px;
    }
    
    .uptime-prefix {
        font-size: 0.55rem;
        margin-right: 4px;
        padding-right: 4px;
    }
    
    .uptime-single {
        gap: 0;
    }
    
    .time-segment:first-child .time-value {
        font-size: 0.9rem;
    }
    
    .time-segment:not(:first-child) .time-value {
        font-size: 0.8rem;
    }
    
    .time-label {
        font-size: 0.5rem;
    }
    
    .time-colon span {
        width: 2px;
        height: 2px;
    }
    
    .logo-section {
        margin: 8px 0;
    }
    
    .logo-image {
        width: 70px;
        height: 70px;
    }
    
    .site-title {
        font-size: 1.1rem;
    }
    
    .site-subtitle {
        font-size: 0.72rem;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin: 8px 0;
    }
    
    .stat-card {
        padding: 10px 8px;
    }
    
    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
        margin-bottom: 4px;
    }
    
    .stat-number {
        font-size: 1.1rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .verification-box {
        padding: 14px 14px;
    }
    
    .verification-box input {
        padding: 9px 12px;
        font-size: 0.85rem;
    }
    
    .btn-verify {
        padding: 9px 16px;
        font-size: 0.85rem;
    }
    
    .input-hint {
        font-size: 0.68rem;
    }
    
    .footer-text {
        font-size: 0.7rem;
    }
}

/* ============================================
   10. 验证结果通知 - 弹窗浮层
   ============================================ */
.verification-notice {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    min-width: 340px;
    max-width: 460px;
    width: 90%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);
    animation: noticeFadeIn 0.3s ease-out;
    overflow: hidden;
    backdrop-filter: blur(8px);
}

@keyframes noticeFadeIn {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.verification-notice.success {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.verification-notice.failure {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.verification-notice.warning {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.verification-notice.error {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.notice-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 28px 24px 20px;
    position: relative;
}

.verification-notice.success .notice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.06));
    color: var(--success);
    font-size: 1.3rem;
}

.verification-notice.failure .notice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(239, 68, 68, 0.06));
    color: var(--danger);
    font-size: 1.3rem;
}

.verification-notice.warning .notice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.06));
    color: var(--warning);
    font-size: 1.3rem;
}

.verification-notice.error .notice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(239, 68, 68, 0.06));
    color: var(--danger);
    font-size: 1.3rem;
}

.notice-text {
    width: 100%;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.notice-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.verification-notice.success .notice-title {
    color: #059669;
}

.verification-notice.failure .notice-title {
    color: #dc2626;
}

.verification-notice.warning .notice-title {
    color: #d97706;
}

.verification-notice.error .notice-title {
    color: #dc2626;
}

.notice-text div {
    margin-bottom: 3px;
}

.notice-result-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.result-pass {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.result-fail {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35);
}

.result-warn {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: #fff;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.notice-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    border-radius: 6px;
    transition: var(--transition-fast);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notice-close:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
}

/* 通知顶部色条 */
.verification-notice.success::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10B981, #34D399);
}

.verification-notice.failure::before,
.verification-notice.error::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #EF4444, #F87171);
}

.verification-notice.warning::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
}

/* 弹窗遮罩层 */
.notice-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 9999;
    animation: overlayFadeIn 0.2s ease-out;
}

@keyframes overlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 响应式通知 */
@media (max-width: 480px) {
    .verification-notice {
        min-width: 280px;
        max-width: 95%;
        border-radius: 12px;
    }
    
    .notice-content {
        padding: 24px 18px 16px;
    }
}