/**
 * 导航栏组件样式
 * @author FreeAi Team
 * @version 1.0.0
 */

/* 引入本地字体 */
@import url('fonts/fonts.css');

/* CSS变量定义 */
:root {
    --navbar-height: 64px;
    --navbar-bg: #ffffff;
    --navbar-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --navbar-border: #e5e7eb;
    
    --brand-primary: #2196f3;
    --brand-hover: #1e88e5;
    --brand-gradient: linear-gradient(135deg, #2196f3, #00bcd4);
    
    --text-primary: #333333;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-logo: 'Righteous', cursive;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50px;
    
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 导航栏基础样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--navbar-height);
    padding: 0 5%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 100%;
    z-index: 1000;
    box-shadow: var(--navbar-shadow);
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    border-bottom: 1px solid rgba(33, 150, 243, 0.1);
    animation: navbarSlideDown 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 导航栏进入动画 */
@keyframes navbarSlideDown {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a {
    text-decoration: none;
    display: block;
}

.logo h1 {
    margin: 0;
    font-size: 2rem;
    font-family: var(--font-logo);
    font-weight: 400;
    letter-spacing: 1px;
    background: var(--brand-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 8px rgba(33, 150, 243, 0.2);
    position: relative;
}

.logo h1::before {
    content: '';
    display: inline-block;
    width: 1.8rem;
    height: 1.8rem;
    margin-right: 0.5rem;
    background: linear-gradient(135deg, #2196f3, #00bcd4);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5.5 2.5a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm-8 4a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1z'/%3E%3C/svg%3E") no-repeat center;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5.5 2.5a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm-8 4a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1zm4 0a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h1z'/%3E%3C/svg%3E") no-repeat center;
    transform: rotate(-10deg);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    filter: drop-shadow(0 2px 4px rgba(33, 150, 243, 0.3));
}

.logo:hover h1::before {
    transform: rotate(360deg) scale(1.1);
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.4));
}

/* Logo文字的渐变动画 */
.logo h1 {
    position: relative;
    background: var(--brand-gradient);
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.logo:hover h1 {
    transform: scale(1.05);
    filter: drop-shadow(0 2px 8px rgba(33, 150, 243, 0.3));
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* 导航链接样式 */
.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition-base);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    box-sizing: border-box;
    display: inline-block;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

/* 悬停时的光晕效果 */
.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover {
    color: var(--brand-hover);
    background-color: rgba(33, 150, 243, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.15);
}

.nav-links a.active {
    color: var(--brand-primary);
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(33, 150, 243, 0.05));
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

/* 活跃链接的脉动效果 */
.nav-links a.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(33, 150, 243, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 100%;
        height: 100%;
        opacity: 0;
    }
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.dropdown > a {
    display: flex !important;
    align-items: center !important;
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
    border-radius: var(--radius-md);
    z-index: 1000;
    margin-top: 8px;
    padding: 8px 0;
    border: 1px solid rgba(33, 150, 243, 0.1);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* 显示状态 */
.dropdown-content.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-content a {
    color: var(--text-secondary) !important;
    padding: 12px 20px !important;
    text-decoration: none !important;
    display: block !important;
    font-size: 1rem !important;
    transition: all 0.2s ease !important;
    border-radius: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}

.dropdown-content a:hover {
    background-color: rgba(33, 150, 243, 0.08) !important;
    color: var(--brand-primary) !important;
    padding-left: 24px !important;
    transform: translateY(0) !important;
}

/* 保留悬停显示功能（兼容旧版本） */
.dropdown:hover .dropdown-content {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 认证按钮样式 */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.auth-buttons a {
    text-decoration: none;
    padding: 0.45rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid var(--brand-primary);
    color: var(--brand-primary);
    background: rgba(255, 255, 255, 0.8);
    margin-left: 0.5rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

/* 登录按钮光效 */
.auth-buttons a.login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.3), transparent);
    transition: left 0.5s ease;
}

.auth-buttons a.login:hover::before {
    left: 100%;
}

.auth-buttons a.login:hover {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-hover));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.3);
    border-color: var(--brand-hover);
}

.auth-buttons a.register {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-hover));
    color: #fff;
    border: 2px solid var(--brand-primary);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.2);
}

/* 注册按钮光效 */
.auth-buttons a.register::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.auth-buttons a.register:hover::before {
    left: 100%;
}

.auth-buttons a.register:hover {
    background: linear-gradient(135deg, var(--brand-hover), #1565c0);
    color: #fff;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 25px rgba(33, 150, 243, 0.4);
    border-color: #1565c0;
}

/* 用户菜单样式 - 加宽版本 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 450px;
    min-width: 450px;
    max-width: 450px;
    flex-shrink: 0;
    justify-content: flex-end;
}

/* 紧凑模式 - 适度压缩 */
@media (max-width: 1024px) {
    .user-menu {
        gap: 0.8rem;
        width: 380px;
        min-width: 380px;
        max-width: 380px;
    }
    
    .user-points {
        width: 80px;
        min-width: 80px;
        max-width: 80px;
        height: 36px;
        min-height: 36px;
        max-height: 36px;
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
    
    .user-dropdown-btn {
        width: 115px;
        min-width: 115px;
        max-width: 115px;
        height: 36px;
        min-height: 36px;
        max-height: 36px;
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .btn-redeem-neon.nav-version,
    .btn-recharge-neon.nav-version {
        transform: scale(0.8);
        margin-left: -10px;
        margin-right: -10px;
    }
}

/* 移动端适度压缩 */
@media (max-width: 768px) {
    .user-menu {
        width: 320px;
        min-width: 320px;
        max-width: 320px;
        gap: 0.6rem;
    }
    
    .user-points {
        width: 70px;
        min-width: 70px;
        max-width: 70px;
        height: 34px;
        min-height: 34px;
        max-height: 34px;
    }
    
    .user-dropdown-btn {
        width: 100px;
        min-width: 100px;
        max-width: 100px;
        height: 34px;
        min-height: 34px;
        max-height: 34px;
    }
    
    .btn-redeem-neon.nav-version,
    .btn-recharge-neon.nav-version {
        transform: scale(0.75);
        margin-left: -15px;
        margin-right: -15px;
    }
}

.user-points {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 0.8rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 193, 7, 0.2);
    transition: all 0.3s ease;
    width: 90px;
    min-width: 90px;
    max-width: 90px;
    height: 38px;
    min-height: 38px;
    max-height: 38px;
    white-space: nowrap;
    justify-content: center;
    box-sizing: border-box;
}

.user-points:hover {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.15), rgba(255, 193, 7, 0.08));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.2);
}

.user-points i {
    color: #ffc107;
    animation: coinSpin 2s ease-in-out infinite;
    font-size: 1rem;
    flex-shrink: 0;
}

.user-points #user-points {
    font-weight: 700;
    transition: all 0.3s ease;
    color: #f57c00;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    font-size: 0.85rem;
    letter-spacing: -0.5px;
    line-height: 1.2;
    vertical-align: middle;
    display: flex;
    align-items: center;
    height: 100%;
}

/* 金币旋转动画 */
@keyframes coinSpin {
    0%, 100% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(180deg);
    }
}

/* Tooltip 样式美化 */
.user-points[title]:hover::after,
.user-dropdown-btn #username[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1002;
    pointer-events: none;
    animation: tooltipFadeIn 0.2s ease-out;
}

.user-points[title]:hover::before,
.user-dropdown-btn #username[title]:hover::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-bottom-color: rgba(0, 0, 0, 0.9);
    z-index: 1002;
    pointer-events: none;
    animation: tooltipFadeIn 0.2s ease-out;
}

@keyframes tooltipFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(5px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 用户下拉菜单样式 */
.user-dropdown {
    position: relative;
}

.user-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.05), rgba(33, 150, 243, 0.02));
    border: 1px solid rgba(33, 150, 243, 0.1);
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    width: 130px;
    min-width: 130px;
    max-width: 130px;
    height: 38px;
    min-height: 38px;
    max-height: 38px;
    box-sizing: border-box;
}

.user-dropdown-btn #username {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.2;
    vertical-align: middle;
    display: flex;
    align-items: center;
    height: 100%;
}

.user-dropdown-btn i {
    flex-shrink: 0;
    font-size: 0.85rem;
}

/* 用户按钮的光效 */
.user-dropdown-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.user-dropdown-btn:hover::before {
    left: 100%;
}

.user-dropdown-btn:hover {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(33, 150, 243, 0.05));
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.15);
    border-color: rgba(33, 150, 243, 0.2);
}

/* 下拉菜单内容 */
.user-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(33, 150, 243, 0.1);
    display: none;
    z-index: 1001;
    margin-top: 0.3rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* 创建一个不可见的过渡区域，让鼠标移动更流畅 */
.user-dropdown-content::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: transparent;
}

/* 下拉菜单出现动画 */
.user-dropdown-content.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

@keyframes dropdownSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.user-dropdown-content a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(241, 245, 249, 0.8);
    position: relative;
    overflow: hidden;
}

.user-dropdown-content a:last-child {
    border-bottom: none;
}

/* 菜单项悬停效果 */
.user-dropdown-content a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(33, 150, 243, 0.1), rgba(33, 150, 243, 0.05));
    transition: width 0.3s ease;
}

.user-dropdown-content a:hover::before {
    width: 100%;
}

.user-dropdown-content a:hover {
    background-color: rgba(248, 250, 252, 0.8);
    color: var(--text-primary);
    transform: translateX(5px);
    padding-left: 1.5rem;
}

.user-dropdown-content a i {
    width: 18px;
    text-align: center;
    transition: all 0.2s ease;
    position: relative;
    z-index: 1;
}

.user-dropdown-content a:hover i {
    color: var(--brand-primary);
    transform: scale(1.1);
}

/* 特殊的退出登录样式 */
.user-dropdown-content a[href="#"]:last-child {
    color: #dc2626;
}

.user-dropdown-content a[href="#"]:last-child:hover {
    background-color: rgba(220, 38, 38, 0.05);
    color: #dc2626;
}

.user-dropdown-content a[href="#"]:last-child:hover i {
    color: #dc2626;
}

/* 霓虹按钮效果 */
.btn-redeem-neon {
    background: linear-gradient(135deg, transparent, rgba(33, 150, 243, 0.05));
    color: #2196f3;
    padding: 0.6rem 1.2rem;
    border: 2px solid #2196f3;
    border-radius: var(--radius-md);
    text-shadow: 0 0 5px rgba(33, 150, 243, 0.3);
    box-shadow: 
        0 0 5px rgba(33, 150, 243, 0.3), 
        0 0 10px rgba(33, 150, 243, 0.2), 
        inset 0 0 5px rgba(33, 150, 243, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

/* 卡密兑换按钮的流光效果 */
.btn-redeem-neon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.btn-redeem-neon:hover::before {
    left: 100%;
}

.btn-redeem-neon:hover {
    color: white;
    background: linear-gradient(135deg, #2196f3, #1976d2);
    border-color: #1976d2;
    box-shadow: 
        0 0 15px rgba(33, 150, 243, 0.8), 
        0 0 30px rgba(33, 150, 243, 0.6), 
        0 0 45px rgba(33, 150, 243, 0.4),
        inset 0 0 15px rgba(255, 255, 255, 0.2);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    transform: translateY(-2px) scale(1.02);
    animation: neonPulse 1.5s ease-in-out infinite alternate;
}

@keyframes neonPulse {
    0% {
        box-shadow: 
            0 0 15px rgba(33, 150, 243, 0.8), 
            0 0 30px rgba(33, 150, 243, 0.6), 
            0 0 45px rgba(33, 150, 243, 0.4);
    }
    100% {
        box-shadow: 
            0 0 20px rgba(33, 150, 243, 1), 
            0 0 35px rgba(33, 150, 243, 0.8), 
            0 0 50px rgba(33, 150, 243, 0.6);
    }
}

.btn-recharge-neon {
    background: linear-gradient(135deg, transparent, rgba(76, 175, 80, 0.05));
    color: #4caf50;
    padding: 0.6rem 1.2rem;
    border: 2px solid #4caf50;
    border-radius: var(--radius-md);
    text-shadow: 0 0 5px rgba(76, 175, 80, 0.3);
    box-shadow: 
        0 0 5px rgba(76, 175, 80, 0.3), 
        0 0 10px rgba(76, 175, 80, 0.2), 
        inset 0 0 5px rgba(76, 175, 80, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

/* 充值按钮的流光效果 */
.btn-recharge-neon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.btn-recharge-neon:hover::before {
    left: 100%;
}

.btn-recharge-neon:hover {
    color: white;
    background: linear-gradient(135deg, #4caf50, #388e3c);
    border-color: #388e3c;
    box-shadow: 
        0 0 15px rgba(76, 175, 80, 0.8), 
        0 0 30px rgba(76, 175, 80, 0.6), 
        0 0 45px rgba(76, 175, 80, 0.4),
        inset 0 0 15px rgba(255, 255, 255, 0.2);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    transform: translateY(-2px) scale(1.02);
    animation: neonPulseGreen 1.5s ease-in-out infinite alternate;
}

@keyframes neonPulseGreen {
    0% {
        box-shadow: 
            0 0 15px rgba(76, 175, 80, 0.8), 
            0 0 30px rgba(76, 175, 80, 0.6), 
            0 0 45px rgba(76, 175, 80, 0.4);
    }
    100% {
        box-shadow: 
            0 0 20px rgba(76, 175, 80, 1), 
            0 0 35px rgba(76, 175, 80, 0.8), 
            0 0 50px rgba(76, 175, 80, 0.6);
    }
}

/* 导航版本按钮缩放 - 加宽版本 */
.nav-version {
    transform: scale(0.9);
    margin: 0 -5px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .navbar {
        padding: 0 3%;
    }
    
    .nav-links {
        gap: 0.25rem;
    }
    
    .nav-links a {
        padding: 0.4rem 0.8rem;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
        min-height: auto;
        padding: 0.5rem 2%;
        position: relative;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 0.2rem;
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .nav-links a {
        font-size: 0.9rem;
        padding: 0.4rem 0.6rem;
    }
    
    .auth-buttons {
        margin-top: 0.5rem;
        width: 100%;
        justify-content: flex-start;
    }
    
    .user-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .user-points {
        font-size: 0.8rem;
    }
    
    .nav-version {
        transform: scale(0.9);
        margin: 0.2rem 0;
    }
    
    .user-dropdown-content {
        position: fixed;
        top: auto;
        right: 1rem;
        left: 1rem;
        width: auto;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }
    
    .auth-buttons a {
        font-size: 0.9rem;
        padding: 0.4rem 1rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown-content {
    animation: fadeIn 0.2s ease-out;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --navbar-bg: #1f2937;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-muted: #9ca3af;
        --navbar-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        --navbar-border: #374151;
    }
    
    .user-dropdown-content {
        background: #1f2937;
        border-color: #374151;
    }
    
    .user-dropdown-content a:hover {
        background-color: #374151;
    }
    
    .user-dropdown-btn:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .nav-links a:hover,
    .nav-links a.active {
        background-color: var(--brand-primary);
        color: white;
    }
    
    .user-dropdown-btn:hover {
        background-color: var(--brand-primary);
        color: white;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
    
    .logo h1::before {
        transform: none !important;
    }
}