/* LinkSound 音乐播放器官方网站 - 主样式文件 */

/* ===== 导入图标系统 ===== */
@import url('icons.css');

/* ===== 基础重置和变量 ===== */
:root {
    /* 色彩方案 */
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --dark-gray: #2a2a2a;
    --medium-gray: #3a3a3a;
    --light-gray: #cccccc;
    --white: #ffffff;
    
    /* 强调色 */
    --electric-blue: #00d4ff;
    --neon-purple: #8b5cf6;
    --flame-orange: #ff6b35;
    --metal-silver: #c0c0c0;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--electric-blue) 0%, var(--neon-purple) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--flame-orange) 0%, var(--electric-blue) 100%);
    --gradient-dark: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    
    /* 字体 */
    --font-primary: 'Roboto', 'Microsoft YaHei', '微软雅黑', 'PingFang SC', sans-serif;
    --font-code: 'Courier New', monospace;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.2rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* 边框圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.4);
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.5);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-dark);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 链接样式 */
a {
    color: var(--electric-blue);
    text-decoration: none;
    transition: all var(--transition-normal);
}

a:hover {
    color:  var(--electric-blue);
    text-decoration: none; /* 不显示下划线 */
}

a:visited {
    color: var(--electric-blue);
}

a:active {
    color: var(--flame-orange);
}

/* ===== 通用组件 ===== */

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff !important;
    box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
    background: var(--gradient-secondary); /* 只改变背景色 */
    color: #ffffff !important; /* 保持文字颜色为白色 */
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon), var(--shadow-lg);
}

.btn-primary .icon {
    color: #ffffff !important; /* 图标颜色为白色 */
}

.btn-primary:hover .icon {
    color: #ffffff !important; /* 保持图标颜色为白色 */
}

/* 按钮中的SVG图标样式 */
.btn img.icon {
    width: 2.5rem;
    height: 2.5rem;
    /* 保持SVG原始颜色 */
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.9));
    transition: all var(--transition-normal);
}

.btn-lg img.icon,
.btn-large img.icon {
    width: 3rem;
    height: 3rem;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.95));
}

.btn:hover img.icon {
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 1));
    transform: scale(1.05);
}

.btn-secondary {
    background: transparent;
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
}

.btn-secondary:hover {
    background: var(--electric-blue); /* 改变背景色 */
    color: var(--primary-black); /* 改变文字颜色以保持对比度 */
    box-shadow: var(--shadow-neon);
}

.btn-secondary:hover .icon {
    color: var(--electric-blue); /* 图标颜色与文字保持一致 */
}

/*说明文字块*/
.text-block {
    border: 1px dashed #ffffff38;
    border-radius: 0.5rem; 
    padding: 0.5rem 1rem;
    background-color: #00000059;
}
/* Outline按钮样式 */
.btn-outline-primary {
    background: transparent;
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
}

.btn-outline-primary:hover {
    background: var(--electric-blue); /* 改变背景色 */
    color: var(--primary-black); /* 改变文字颜色以保持对比度 */
    box-shadow: var(--shadow-neon);
}

.btn-outline-primary:hover .icon {
    color: var(--white); /* 图标颜色与文字保持一致 */
}

.btn-outline-secondary {
    background: transparent;
    color: var(--light-gray);
    border: 2px solid var(--dark-gray);
}

.btn-outline-secondary:hover {
    background: var(--dark-gray); /* 改变背景色 */
    color: var(--white); /* 改变文字颜色以保持对比度 */
    border-color: var(--electric-blue);
}

.btn-outline-secondary:hover .icon {
    color: var(--white); /* 图标颜色与文字保持一致 */
}

.btn-large,
.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* 卡片 */
.card {
    background: var(--secondary-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-gray);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--electric-blue);
}

/* 网格系统 */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexbox工具类 */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

/* 文本工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--electric-blue); }
.text-secondary { color: var(--neon-purple); }
.text-accent { color: var(--flame-orange); }
.text-muted { color: var(--light-gray); }

/* 间距工具类 */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

/* ===== 动画效果 ===== */

/* 霓虹发光效果 */
.neon-glow {
    text-shadow: 0 0 10px var(--electric-blue);
    animation: neonPulse 2s ease-in-out infinite alternate;
}

/* 副标题文字样式 - 无辉光效果 */
.subtitle-text {
    color: var(--electric-blue);
    font-weight: 300;
    font-size: 0.8em;
}

@keyframes neonPulse {
    from { text-shadow: 0 0 10px var(--electric-blue); }
    to { text-shadow: 0 0 20px var(--electric-blue), 0 0 30px var(--electric-blue); }
}

/* 旋转动画 */
.rotate {
    animation: rotate 10s linear infinite;
}

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

/* 浮动动画 */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* 渐入动画 */
.fade-in {
    opacity: 1; /* 默认可见，避免动画失效时不显示 */
    animation: fadeIn 1.2s ease-in-out forwards;
}

/* 页面加载时的初始状态 */
.page-loading .fade-in {
    opacity: 0;
    transform: translateY(20px);
}

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

/* 动画触发状态 */
.fade-in.animate-in {
    animation: fadeInTriggered 1.2s ease-out forwards;
}

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

/* 从下方滑入 */
.slide-up {
    transform: translateY(50px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
}

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

/* ===== 响应式设计 ===== */

/* 平板设备 */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }

    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1.1rem;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    html { font-size: 14px; }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .flex-between {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }

    .card {
        padding: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    html { font-size: 12px; }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
}

/* ===== 模态框样式 ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--secondary-black);
    margin: 3% auto;
    padding: 0;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    color: var(--light-gray);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.modal-close:hover {
    color: var(--electric-blue);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.modal-header h2 {
    margin: 0;
    color: var(--white);
}

.modal-body {
    padding: var(--spacing-lg);
    flex: 1;
    overflow-y: auto;
    max-height: calc(90vh - 120px);
    scrollbar-width: thin;
    scrollbar-color: var(--electric-blue) rgba(255, 255, 255, 0.1);
}

/* 模态框滚动条样式 */
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--electric-blue);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--neon-purple);
}

.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--light-gray);
    cursor: pointer;
    transition: all var(--transition-normal);
    border-bottom: 2px solid transparent;
}

.auth-tab.active {
    color: var(--electric-blue);
    border-bottom-color: var(--electric-blue);
}

/* ===== 登录注册页面样式 ===== */
.page-main {
    min-height: calc(100vh - 140px);
    padding: var(--spacing-xl) 0;
    background: var(--primary-black);
}

.login-container,
.register-container {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.login-card,
.register-card {
    background: var(--secondary-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--dark-gray);
}

.login-header,
.register-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1,
.register-header h1 {
    color: var(--electric-blue);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.login-header p,
.register-header p {
    color: var(--light-gray);
    font-size: 1rem;
}

.login-form,
.register-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login-form .form-group,
.register-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: 1rem;
}

.login-form label,
.register-form label {
    color: var(--electric-blue);
    font-weight: 500;
    font-size: 0.9rem;
}

.login-form input:not([type="checkbox"]),
.register-form input:not([type="checkbox"]) {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.login-form input:not([type="checkbox"]):focus,
.register-form input:not([type="checkbox"]):focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--light-gray);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto !important;
    height: auto !important;
    margin: 0 !important;
    opacity: 1 !important;
    position: static !important;
    transform: none !important;
    clip: auto !important;
    min-width: 16px;
    min-height: 16px;
}

.forgot-link {
    color: var(--electric-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--neon-purple);
}

.login-btn,
.register-btn {
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.login-btn:hover,
.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 191, 255, 0.3);
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--dark-gray);
}

.auth-switch p {
    color: var(--light-gray);
    margin: 0;
}

.auth-switch a {
    color: var(--electric-blue);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    color: var(--neon-purple);
}

/* 消息提示样式 */
.message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    border-left: 4px solid;
}

.message-success {
    background: rgba(56, 161, 105, 0.1);
    color: #38a169;
    border-left-color: #38a169;
}

.message-error {
    background: rgba(229, 62, 62, 0.1);
    color: #e53e3e;
    border-left-color: #e53e3e;
}

.message-info {
    background: rgba(49, 130, 206, 0.1);
    color: #3182ce;
    border-left-color: #3182ce;
}

/* ===== 页脚样式 ===== */
.footer {
    background: var(--primary-black);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    border-top: 1px solid var(--dark-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 32px;
    height: 32px;
    margin-right: var(--spacing-sm);
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--electric-blue);
}

.footer-description {
    color: var(--light-gray);
    line-height: 1.6;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--electric-blue);
}

.qq-group {
    text-align: center;
}

.qq-qr {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--dark-gray);
    color: var(--light-gray);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-black);
}

::-webkit-scrollbar-thumb {
    background: var(--electric-blue);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-purple);
}

/* ===== 选择文本样式 ===== */
::selection {
    background: var(--electric-blue);
    color: var(--primary-black);
}

::-moz-selection {
    background: var(--electric-blue);
    color: var(--primary-black);
}

/* ===== 头部导航 ===== */
.header {
    flex-shrink: 0; /* 不允许收缩 */
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-gray);
    z-index: 1000;
    transition: all var(--transition-normal);
}

/* 主内容区域 */
main {
    flex: 1; /* 占据剩余空间 */

}

/* 自定义滚动条样式 */
main::-webkit-scrollbar {
    width: 8px;
}

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

main::-webkit-scrollbar-thumb {
    background: var(--dark-gray);
    border-radius: 4px;
    transition: background 0.3s ease;
}

main::-webkit-scrollbar-thumb:hover {
    background: var(--electric-blue);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    min-height: 70px;
    position: relative; /* 为移动端菜单提供定位基准 */
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text-svg {
    height: 1.5rem!important;
    width: auto!important;
    filter: drop-shadow(0 0 5px rgba(0, 191, 255, 0.2));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--light-gray);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--electric-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link.active::after {
    width: 100%; /* 只有激活状态显示下划线 */
}

/* 移除hover状态的下划线 */
.nav-link:hover::after {
    width: 0; /* hover时不显示下划线 */
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.lang-switch {
    display: flex;
    background: var(--dark-gray);
    border-radius: var(--radius-md);
    padding: 2px;
}

.lang-option {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--light-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.lang-option.active {
    background: var(--electric-blue);
    color: var(--primary-black);
}

/* 认证按钮样式 */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-btn {
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.auth-btn.login-register-btn {
    background: transparent;
    color: #00bfff;
    min-width: 100px;
}

.auth-btn.login-register-btn:hover {
    background: #00bfff !important;
    color: #000000 !important;
}

.auth-btn.logout-btn {
    background: transparent;
    color: var(--light-gray);
    border-color: var(--light-gray);
}

.auth-btn.logout-btn:hover {
    background: #e53e3e;
    color: var(--white);
    border-color: #e53e3e;
}

.user-menu {
    position: relative;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.user-profile-btn:hover {
    background: rgba(0, 191, 255, 0.1);
    border-color: var(--electric-blue);
}

.user-dropdown-arrow {
    font-size: 0.8rem;
    color: var(--light-gray);
    transition: transform var(--transition-normal);
}

.user-profile-btn.active .user-dropdown-arrow {
    transform: rotate(180deg);
}

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--electric-blue);
    object-fit: cover;
}

.user-welcome {
    color: var(--electric-blue);
    font-weight: 500;
}

/* 用户下拉菜单样式 */
.user-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 280px;
    background: var(--secondary-black);
    border: 1px solid var(--dark-gray);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1000;
    margin-top: var(--spacing-xs);
}

.user-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.dropdown-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--electric-blue);
    object-fit: cover;
}

.dropdown-user-info {
    flex: 1;
}

.dropdown-username {
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
}

.dropdown-email {
    color: var(--light-gray);
    font-size: 0.85rem;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--dark-gray);
    margin: 0;
}

.user-dropdown-items {
    padding: var(--spacing-sm) 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--light-gray);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: rgba(0, 191, 255, 0.1);
    color: var(--white);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    font-size: 0.9rem;
}

.dropdown-item.logout-item {
    color: #e53e3e;
}

.dropdown-item.logout-item:hover {
    background: rgba(229, 62, 62, 0.1);
    color: #e53e3e;
}

/* 用户信息弹窗样式 */
.user-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 用户信息显示区域 */
.user-info-display {
    text-align: center;
}

.user-basic-info {

    text-align: center;
}

.user-name {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.user-email {
    color: var(--electric-blue);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.activation-info {
    margin-top: var(--spacing-lg);
}

.activation-status-text {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: fit-content;
    height: 45px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.activation-status-text::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -20%;
    right: -20%;
    bottom: -20%;
    border-radius: 0;
    z-index: -1;
}

.activation-status-text:hover {
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 191, 255, 0.3);
    pointer-events: auto;
}

.upgrade-button-container {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.user-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.user-actions .btn-secondary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* 编辑表单样式 */
.edit-form {
    text-align: left;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* 头像编辑弹窗样式 */
.avatar-edit-modal {
    max-width: 600px;
    width: 90%;
}

.avatar-edit-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.cropper-container {
    width: 100%;
    height: 400px;
    background: var(--dark-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.avatar-edit-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.control-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.control-buttons .btn-secondary {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    min-width: 80px;
}

.save-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.save-buttons button {
    padding: var(--spacing-sm) var(--spacing-lg);
    min-width: 120px;
}

/* Cropper.js 自定义样式 */
.cropper-container {
    background-color: var(--dark-gray) !important;
}

.cropper-view-box {
    border: 2px solid var(--electric-blue) !important;
    border-radius: 50% !important;
}

.cropper-face {
    background-color: rgba(0, 212, 255, 0.1) !important;
}

.cropper-line,
.cropper-point {
    background-color: var(--electric-blue) !important;
}

.cropper-point {
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
}

.cropper-dashed {
    border-color: rgba(0, 212, 255, 0.5) !important;
}

/* 头像编辑弹窗的模态背景 */
#avatarEditModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

#avatarEditModal .modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .avatar-edit-modal {
        width: 95%;
        margin: 20px auto;
        max-height: 90vh;
        overflow-y: auto;
    }

    .cropper-container {
        height: 250px;
    }

    .control-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .control-buttons .btn-secondary {
        width: 100%;
        max-width: 200px;
    }

    .save-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .save-buttons button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .avatar-edit-modal {
        width: 98%;
        margin: 10px auto;
    }

    .cropper-container {
        height: 200px;
    }

    .modal-header h3 {
        font-size: 1.2rem;
    }

    .modal-body {
        padding: var(--spacing-md);
    }
}

/* 升级按钮样式 */
.btn-upgrade {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white) !important;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    width: auto;
    min-width: fit-content;
    height: 45px;
}

.btn-upgrade:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    color: var(--white) !important;
}

.btn-upgrade:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.btn-upgrade i {
    font-size: 0.9rem;
}

/* 激活状态样式已简化，移至activation-status-text */

.user-modal-content {
    background: var(--secondary-black);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--dark-gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.user-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.user-modal-header h2 {
    color: var(--electric-blue);
    margin: 0;
    font-size: 1.5rem;
}

.user-modal-close {
    color: var(--light-gray);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.user-modal-close:hover {
    color: var(--white);
}

.user-modal-body {
    padding: var(--spacing-lg);
    overflow: auto;
}

.avatar-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.avatar-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.user-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--electric-blue);
    object-fit: cover;
}

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    cursor: pointer;
    color: var(--white);
}

.avatar-overlay:hover {
    opacity: 1;
}

.avatar-overlay i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.user-profile-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.user-profile-form label {
    display: block;
    color: var(--electric-blue);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.user-profile-form input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.user-profile-form input:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

.user-profile-form .password-input-container {
    position: relative;
}

.user-profile-form .password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 20px;
    line-height: 1;
    padding: 0;
    margin: 0;
}

.user-profile-form .password-toggle:hover {
    transform: translateY(-50%) scale(1.1);
}

.user-profile-form input[readonly] {
    background: var(--primary-black);
    color: var(--light-gray);
    cursor: not-allowed;
}

.user-profile-form small {
    color: var(--light-gray);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.user-modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.btn-primary, .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 191, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color:  var(--white);
    border: 1px solid var(--electric-blue);
}

.btn-secondary:hover {
    background: var(--dark-gray);
    color:  var(--electric-blue);
}

/* 登录/注册弹窗样式 */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.auth-modal-content {
    background: var(--secondary-black);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--dark-gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.auth-modal-header h2 {
    color: var(--white);
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-modal-close {
    color: var(--light-gray);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
}

.auth-modal-close:hover {
    color: var(--white);
}

.auth-modal-body {
    padding: var(--spacing-lg);
}

/* 标签页样式 */
.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--dark-gray);
    position: relative;
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md) 0;
    background: none;
    border: none;
    color: var(--light-gray);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.auth-tab.active {
    color: var(--electric-blue);
}

.auth-tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--electric-blue);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.auth-tab.active::after {
    transform: scaleX(1);
}

/* 表单容器 */
.auth-form-container {
    display: none;
}

.auth-form-container.active {
    display: block;
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form label {
    display: block;
    color: var(--white);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
    box-sizing: border-box;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

.auth-form input::placeholder {
    color: var(--light-gray);
}

/* 密码输入容器 */
.password-input-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 20px;
    line-height: 1;
    padding: 0;
    margin: 0;
}

.password-toggle:hover {
    transform: translateY(-50%) scale(1.1);
}

.password-toggle:active {
    transform: translateY(-50%) scale(0.9);
}

/* 复选框样式 */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--electric-blue);
}

.checkbox-label a {
    color: var(--electric-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.checkbox-label a:hover {
    color: var(--neon-purple);
    text-decoration: underline;
}

/* 提交按钮 */
.auth-submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--electric-blue), var(--neon-purple));
    border: none;
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 191, 255, 0.3);
}

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

/* 链接样式 */
.auth-links {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.auth-links a {
    color: var(--electric-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.auth-links a:hover {
    color: var(--neon-purple);
    text-decoration: underline;
}

/* 密码强度指示器 */
.password-strength-container {
    margin-top: var(--spacing-xs);
}

.password-strength-bar {
    width: 100%;
    height: 4px;
    background: var(--dark-gray);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.password-strength-fill.weak {
    width: 33%;
    background: #ff4757;
}

.password-strength-fill.medium {
    width: 66%;
    background: #ffa502;
}

.password-strength-fill.strong {
    width: 100%;
    background: #2ed573;
}

.password-strength-text {
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.password-strength-text.weak {
    color: #ff4757;
}

.password-strength-text.medium {
    color: #ffa502;
}

.password-strength-text.strong {
    color: #2ed573;
}

.password-suggestions {
    font-size: 0.8rem;
    color: var(--light-gray);
    line-height: 1.4;
}

.user-menu {
    position: relative;
}

.user-btn {
    background: transparent;
    border: none;
    color: var(--electric-blue);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.user-btn:hover {
    background: var(--electric-blue);
    color: var(--primary-black);
}

/* 用户头像样式 */
.user-avatar-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--electric-blue);
    object-fit: cover;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

.user-btn:hover .user-avatar-small {
    border-color: var(--neon-purple);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.5);
}

.username {
    font-weight: 500;
}

/* 移动端菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--electric-blue);
    margin: 3px 0;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--secondary-black);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: left var(--transition-normal);
        z-index: 1000;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: var(--spacing-md) 0;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-actions {
        position: fixed;
        bottom: var(--spacing-lg);
        left: 50%;
        transform: translateX(-50%);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .auth-buttons {
        flex-direction: row;
        gap: var(--spacing-xs);
    }

    .auth-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .user-dropdown-menu {
        width: 260px;
        right: -10px;
    }

    .user-profile-btn {
        padding: var(--spacing-xs);
    }

    .user-welcome {
        font-size: 0.9rem;
    }

    /* 登录/注册弹窗移动端样式 */
    .auth-modal-content {
        width: 95%;
        max-width: 400px;
        margin: var(--spacing-md);
    }

    .auth-modal-header {
        padding: var(--spacing-md);
    }

    .auth-modal-header h2 {
        font-size: 1.3rem;
    }

    .auth-modal-body {
        padding: var(--spacing-md);
    }

    .auth-form input[type="text"],
    .auth-form input[type="email"],
    .auth-form input[type="password"] {
        padding: var(--spacing-sm);
        font-size: 16px; /* 防止iOS缩放 */
    }

    .auth-submit-btn {
        padding: var(--spacing-sm);
        font-size: 1rem;
    }
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: var(--spacing-xs) 0;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--electric-blue);
}

.dropdown-item i {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-xs) 0;
}

/* 简单图标样式 - 使用SVG图标替代emoji */
.icon-user::before { content: ""; }
.icon-download::before { content: ""; }
.icon-logout::before { content: ""; }
.icon-chevron-down::before { content: ""; }
.icon-camera::before { content: ""; }
.icon-settings::before { content: ""; }
.icon-edit::before { content: "✏️"; }
.icon-lock::before { content: "🔒"; }
.icon-download-cloud::before { content: "☁️"; }
.icon-camera::before { content: "📷"; }
.icon-cloud-upload::before { content: "☁️⬆️"; }
.icon-folder::before { content: "📁"; }
.icon-check::before { content: "✓"; }
.icon-trash::before { content: "🗑️"; }

/* ===== 用户资料样式 ===== */
.user-profile {
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 重新设计的用户资料样式 ===== */
.user-profile-redesign {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

/* 用户资料模态框特定样式 */
.user-modal .modal-content {
    max-width: 520px;
    background: var(--dark-gray);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 头像区域 */
.profile-avatar-section {
    margin-bottom: var(--spacing-xl);
}

.avatar-container-large {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.profile-avatar-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid var(--electric-blue);
    object-fit: cover;
    transition: all var(--transition-normal);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.profile-avatar-img:hover {
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.5);
    transform: scale(1.02);
}

/* 头像按钮容器 */
.avatar-button-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.avatar-button-container .avatar-btn {
    margin: 0;
}

/* 用户信息区域 */
.profile-user-info {
    margin-bottom: var(--spacing-xl);
}

.profile-username {
    color: var(--white);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.profile-email {
    color: var(--electric-blue);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.profile-join-date {
    color: var(--light-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* 统计数据区域 */
.profile-stats-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-card {
    flex: 1;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 12px;
    background: transparent;
    border: none;
    transition: all var(--transition-normal);
    min-width: 80px;
}

.stats-card:hover {
    transform: translateY(-2px);
}

.stats-card .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--electric-blue);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
    line-height: 1;
}

.stats-card .stat-label {
    color: var(--light-gray);
    font-size: 0.85rem;
    font-weight: 400;
    margin: 0;
}

/* 操作按钮区域 */
.profile-action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.profile-btn {
    min-width: 140px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

/* 响应式设计 - 重新设计版本 */
@media (max-width: 768px) {
    .user-profile-redesign {
        padding: var(--spacing-lg);
    }

    .profile-avatar-img {
        width: 120px;
        height: 120px;
    }

    .profile-username {
        font-size: 1.6rem;
    }

    .profile-stats-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stats-card {
        padding: var(--spacing-sm);
    }

    .stats-card .stat-number {
        font-size: 1.5rem;
    }

    .profile-action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .profile-btn {
        width: 100%;
        max-width: 200px;
    }
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.profile-avatar {
    position: relative;
    text-align: center;
}

.user-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--electric-blue);
    object-fit: cover;
    transition: all var(--transition-normal);
}

.avatar-upload-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--electric-blue);
    color: var(--primary-black);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.avatar-upload-btn:hover {
    background: var(--neon-purple);
    transform: scale(1.1);
}

.profile-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.user-email {
    color: var(--electric-blue);
    margin-bottom: var(--spacing-xs);
}

.join-date {
    color: var(--light-gray);
    font-size: 0.9rem;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--electric-blue);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--light-gray);
    font-size: 0.9rem;
}

.profile-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* 下载记录样式 */
.downloads-list {
    max-height: 400px;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--dark-gray);
    transition: all var(--transition-normal);
}

.download-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.download-info h4 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.download-info p {
    color: var(--light-gray);
    margin-bottom: var(--spacing-xs);
}

.download-date {
    color: var(--electric-blue);
    font-size: 0.9rem;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--light-gray);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.empty-state h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

/* 用户设置样式 */
.user-settings {
    max-width: 500px;
    margin: 0 auto;
}

.setting-group {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--dark-gray);
}

.setting-group:last-child {
    border-bottom: none;
}

.setting-group h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.setting-item label {
    color: var(--light-gray);
    font-weight: 500;
}

.setting-select {
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-md);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: 150px;
}

.setting-select:focus {
    outline: none;
    border-color: var(--electric-blue);
}

.setting-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .profile-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .profile-actions {
        flex-direction: column;
    }

    .download-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .setting-select {
        width: 100%;
    }

    .setting-actions {
        flex-direction: column;
    }
}

/* ===== 优化的头像上传样式 ===== */
.profile-avatar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.avatar-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
    cursor: pointer;
}

.avatar-wrapper .user-avatar-large {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 4px solid var(--electric-blue);
    object-fit: cover;
    transition: all var(--transition-normal);
    display: block;
}

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
    color: white;
    font-size: 0.9rem;
}

.avatar-wrapper:hover .avatar-overlay {
    opacity: 1;
}

.avatar-overlay i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.avatar-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.avatar-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

/* 胶囊按钮样式 */
.pill-btn {
    border-radius: 25px !important;
    padding: 0.75rem 1.5rem !important;
    font-weight: 500;
    min-width: 120px;
    justify-content: center;
}

.avatar-upload-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-circle {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--electric-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-text {
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== 头像上传模态框样式 ===== */
.avatar-upload-container {
    max-width: 500px;
    margin: 0 auto;
}

.upload-preview {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.current-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--electric-blue);
    object-fit: cover;
    transition: all var(--transition-normal);
}

.preview-overlay {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-gray);
    color: var(--text-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    border: 1px solid var(--electric-blue);
}

.upload-area {
    border: 2px dashed var(--medium-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--electric-blue);
    background: rgba(0, 212, 255, 0.05);
}

.upload-area.file-selected {
    border-color: var(--success-color);
    background: rgba(76, 175, 80, 0.05);
}

/* 图像编辑器样式 */
.image-editor {
    margin-bottom: var(--spacing-lg);
}

.editor-preview {
    position: relative;
    width: 100%;
    height: 300px;
    background: var(--dark-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.crop-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.crop-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.2s ease;
    user-select: none;
    pointer-events: none;
}

.crop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.crop-area {
    position: absolute;
    border: 2px solid var(--electric-blue);
    background: transparent;
    cursor: move;
    pointer-events: all;
    min-width: 50px;
    min-height: 50px;
}

.crop-area::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.crop-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--electric-blue);
    border: 2px solid var(--white);
    border-radius: 50%;
    pointer-events: all;
}

.crop-handle-nw {
    top: -6px;
    left: -6px;
    cursor: nw-resize;
}

.crop-handle-ne {
    top: -6px;
    right: -6px;
    cursor: ne-resize;
}

.crop-handle-sw {
    bottom: -6px;
    left: -6px;
    cursor: sw-resize;
}

.crop-handle-se {
    bottom: -6px;
    right: -6px;
    cursor: se-resize;
}

.editor-controls {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 120px;
}

.control-group label {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100px;
    height: 4px;
    background: var(--dark-gray);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--electric-blue);
    border-radius: 50%;
    cursor: pointer;
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--electric-blue);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.control-group span {
    color: var(--text-secondary);
    font-size: 0.8rem;
    min-width: 40px;
    text-align: center;
}

/* 响应式设计 - 图像编辑器 */
@media (max-width: 768px) {
    .editor-preview {
        height: 250px;
    }

    .editor-controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .control-group {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .control-group input[type="range"] {
        width: 150px;
    }

    .crop-handle {
        width: 16px;
        height: 16px;
    }

    .crop-handle-nw,
    .crop-handle-ne,
    .crop-handle-sw,
    .crop-handle-se {
        margin: -8px;
    }
}

.upload-text h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.upload-text p {
    color: var(--text-secondary);
    margin: 0.25rem 0;
    font-size: 0.9rem;
}

.upload-btn {
    margin-top: var(--spacing-md);
    padding: 0.75rem 1.5rem;
}

.upload-progress {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--electric-blue), var(--neon-purple));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.upload-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .avatar-wrapper {
        width: 120px;
        height: 120px;
    }

    .avatar-wrapper .user-avatar-large {
        width: 120px;
        height: 120px;
    }

    .avatar-actions {
        flex-direction: column;
        align-items: center;
    }

    .avatar-upload-container {
        padding: var(--spacing-md);
    }

    .upload-area {
        padding: var(--spacing-lg);
    }

    .upload-actions {
        flex-direction: column;
    }
}