/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局颜色过渡效果 - 模拟 Tailwind 的 transition-colors duration-500 */
*,
*::before,
*::after {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, background;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 0.5s;
}

/* Canvas 元素使用自己的过渡规则（优先级更高） - 与 example.html 一致 */
#canvas-fluid {
    transition-property: filter !important;
    transition-duration: 0.5s !important;
    transition-timing-function: ease !important;
}
/* canvas-network 不需要过渡，与 example.html 一致 */

/* 排除不需要过渡的元素 - 这些元素有自己的过渡规则或不需要过渡 */
canvas:not(#canvas-fluid):not(#canvas-network),
img,
svg:not([class*="icon"]):not([class*="logo"]),
video,
iframe,
input[type="range"],
input[type="checkbox"],
input[type="radio"],
[style*="transition"],
.no-transition,
.no-transition * {
    transition-property: none !important;
}

:root {
    /* 主色调 - 现代渐变配色方案 */
    --primary-color: #3B82F6;
    --primary-hover: #2563EB;
    --primary-light: #EFF6FF;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-gradient-hover: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    
    --secondary-color: #10B981;
    --secondary-hover: #059669;
    --secondary-light: #ECFDF5;
    --secondary-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --accent-color: #F59E0B;
    --accent-hover: #D97706;
    --accent-light: #FFFBEB;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    
    /* 中性色 - 更柔和的色调 */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --text-tertiary: #D1D5DB;
    
    --bg-primary: #f8fafc;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --bg-elevated: #FFFFFF;
    --exchange-card-bg: #F5F7FF;
    --exchange-card-selected-bg: #E0E7FF;
    
    --border-color: #E5E7EB;
    --border-hover: #D1D5DB;
    --border-light: #F3F4F6;
    
    /* 状态色 - 更鲜明的对比 */
    --success-color: #10B981;
    --success-light: #D1FAE5;
    --warning-color: #F59E0B;
    --warning-light: #FEF3C7;
    --error-color: #EF4444;
    --error-light: #FEE2E2;
    --info-color: #3B82F6;
    --info-light: #DBEAFE;
    
    /* 阴影 - 更精致的层次感 */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
    --shadow-colored-lg: 0 20px 40px -10px rgba(59, 130, 246, 0.4);
    
    /* 圆角 - 更现代的尺寸 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* 间距 - 更协调的比例 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* 字体 - 优化字重和行高 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    
    /* 字重 */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* 行高 */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* 主题切换过渡时间 */
    --theme-transition: 0.5s ease;
}

body.dark-mode {
    --primary-color: #60A5FA;
    --primary-hover: #3B82F6;
    --primary-light: rgba(96, 165, 250, 0.15);
    /* 深色模式下使用更亮的渐变，以便在深色背景下更明显 */
    --primary-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --primary-gradient-hover: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    
    --secondary-color: #34D399;
    --secondary-hover: #10B981;
    --secondary-light: rgba(16, 185, 129, 0.15);
    --secondary-gradient: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    
    --accent-color: #FBBF24;
    --accent-hover: #F59E0B;
    --accent-light: rgba(251, 191, 36, 0.15);
    --accent-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    
    --text-primary: #F9FAFB;
    --text-secondary: #CBD5F5;
    --text-muted: #94A3B8;
    --text-tertiary: #64748B;
    
    --bg-primary: #050b14;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-elevated: #1E293B;
    --exchange-card-bg: rgba(30, 41, 59, 0.9);
    --exchange-card-selected-bg: rgba(96, 165, 250, 0.15);
    
    --border-color: rgba(148, 163, 184, 0.2);
    --border-hover: rgba(148, 163, 184, 0.4);
    --border-light: rgba(148, 163, 184, 0.1);
    
    --success-light: rgba(16, 185, 129, 0.2);
    --warning-light: rgba(251, 191, 36, 0.2);
    --error-light: rgba(239, 68, 68, 0.2);
    --info-light: rgba(59, 130, 246, 0.2);
    
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --shadow-colored: 0 10px 25px -5px rgba(96, 165, 250, 0.4);
    --shadow-colored-lg: 0 20px 40px -10px rgba(96, 165, 250, 0.5);
    
    color-scheme: dark;
}

body.dark-mode .header {
    background: rgba(5, 11, 20, 0.7);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #f8fafc; /* 浅色模式背景色，与 example.html 的 bg-slate-50 一致 */
    overflow-x: hidden;
    overflow-y: auto;
    height: 100vh;
    position: relative;
    /* 背景色过渡时间与 example.html 一致 */
    transition: background-color 0.8s ease;
    /* 其他颜色属性使用全局过渡（0.5s） */
    cursor: default;
}

/* 背景画布层样式 - 与 example.html 完全一致 */
#canvas-fluid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    filter: blur(80px);
    opacity: 0.7;
    transition: filter 0.5s ease;
    pointer-events: none;
}

#canvas-network {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* 之前是 0.4，现在改为 1.0，让 JS 完全控制透明度 */
    opacity: 1.0;
    pointer-events: none;
}

body:not(.home-page-active) #canvas-fluid {
    filter: blur(95px);
    opacity: 0.65;
}

body:not(.home-page-active) #canvas-network {
    filter: blur(4px);
    opacity: 0.85;
}

/* 确保页面内容在背景之上 */
.page {
    position: relative;
    z-index: 1;
}

.container,
.header,
.main-content {
    position: relative;
    z-index: 2;
}

/* 页面容器和布局 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 页面切换动画 - 更流畅的过渡 */
.page {
    min-height: 100vh;
    max-height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    transform: translateX(100px) scale(0.95);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1), color 0.5s ease, background-color 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
    will-change: transform, opacity;
    transform-origin: center center;
    filter: blur(4px);
}

.page.active {
    opacity: 1;
    transform: translateX(0) scale(1);
    position: relative;
    z-index: 2;
    max-height: none;
    filter: blur(0);
}

.page.prev {
    transform: translateX(-150%) scale(0.8) rotateY(-20deg);
    z-index: 0;
    pointer-events: none;
}

.page.next {
    transform: translateX(150%) scale(0.8) rotateY(20deg);
    z-index: 0;
    pointer-events: none;
}

/* 页面进入动画 */
.page.active .container {
    animation: none !important;
}

.page.active .header {
    animation: none !important;
}

.page.active .main-content {
    animation: none !important;
}

/* 头部样式 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--spacing-2xl);
    background: rgba(248, 250, 252, 0.7);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    /* 使用全局颜色过渡，backdrop-filter 保持即时 */
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    box-sizing: border-box;
}

/* Header 内容区域，保持与边框的距离 */
.header-left {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.header-actions {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* 当屏幕宽度大于 1400px 时，内容居中并保持间距 */
@media (min-width: 1400px) {
    .header {
        display: flex;
        justify-content: center;
    }
    
    .header-left {
        margin-right: auto;
        padding-left: calc((100vw - 1400px) / 2);
    }
    
    .header-actions {
        margin-left: auto;
        padding-right: calc((100vw - 1400px) / 2);
    }
}

.header-left {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    /* 确保背景渐变有平滑过渡效果 */
    transition: background 0.5s ease, transform 0.3s ease, filter 0.3s ease;
    letter-spacing: -0.5px;
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.back-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.back-button:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.back-button:active {
    transform: translateY(0);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

.header-social-links {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-lg);
}

.social-link-icon {
    width: 24px;
    height: 24px;
    max-width: 24px;
    max-height: 24px;
    flex: 0 0 24px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(15, 23, 42, 0.25));
    opacity: 0.85;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.header-social-links .social-link-icon {
    width: 24px;
    height: 24px;
}

.social-link-icon:hover {
    opacity: 1;
    transform: translateY(-1px) scale(1.05);
}

.header-email-display {
    margin-right: 16px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.home-account-box {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.plan-quota-pill {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    background: linear-gradient(90deg, #22d3ee, #3b82f6, #a855f7);
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.theme-toggle:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.theme-toggle:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.theme-toggle-icon {
    font-size: 1.2rem;
    line-height: 1;
}

body.dark-mode .theme-toggle {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--text-primary);
}

@media (max-width: 640px) {
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
}

/* 语言切换下拉：自定义扁平圆角组件 */
.language-switcher {
    position: relative;
    display: inline-block;
}

.language-switcher-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    width: 120px; /* 固定宽度，避免因语言切换抖动 */
    justify-content: flex-start;
}

.language-switcher-icon {
    font-size: 14px;
}

.language-switcher-label {
    white-space: nowrap;
    flex: 1;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
}

.language-switcher-arrow {
    font-size: 10px;
    color: var(--text-tertiary);
}

.language-switcher-trigger:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-soft);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.language-switcher-trigger:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.language-switcher-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 120px;
    width: 100%; /* 与触发按钮同宽 */
    border-radius: 12px;
    background: var(--bg-primary);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.22);
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.16s ease, transform 0.16s ease;
    z-index: 120;
}

.language-switcher.open .language-switcher-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.language-switcher-option {
    border: none;
    background: transparent;
    border-radius: 999px;
    padding: 6px 10px;
    text-align: left;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease;
}

.language-switcher-option:hover {
    background: var(--primary-soft);
    color: #ffffff;
}

.language-switcher-option.active {
    background: var(--primary-color);
    color: #ffffff;
}

body.dark-mode .language-switcher-trigger {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.7);
    color: var(--text-primary);
}

body.dark-mode .language-switcher-menu {
    background: rgba(15, 23, 42, 0.98);
}

@media (max-width: 640px) {
    .language-switcher-trigger {
        padding: 4px 12px 4px 10px;
        font-size: 12px;
    }
}

/* 主要内容区域 */
.main-content {
    padding-bottom: var(--spacing-2xl);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
    line-height: var(--line-height-tight);
    /* 确保背景渐变有平滑过渡效果 */
    transition: background 0.5s ease;
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
}

/* 首页样式 */
.hero-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    max-width: 1000px;
    margin: 0 auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-tight);
    letter-spacing: -0.5px;
    animation: fadeInUp 0.8s ease-out;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    /* 确保背景渐变有平滑过渡效果 */
    transition: background 0.5s ease;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-social-links {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-md) + 4px);
    margin-top: var(--spacing-lg);
}

.hero-social-links a,
.header-social-links a {
    display: inline-flex;
    align-items: center;
}

.hero-social-icon {
    width: 28px;
    height: 28px;
    max-width: 28px;
    max-height: 28px;
    flex: 0 0 28px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(15, 23, 42, 0.2));
    opacity: 0.9;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero-social-icon:hover {
    opacity: 1;
    transform: translateY(-2px) scale(1.05);
}

/* 按钮样式 - 更现代的设计 */
.cta-button, .primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: var(--shadow-md), var(--shadow-colored);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.cta-button::before, .primary-button::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 0.5s ease;
}

.cta-button:hover::before, .primary-button:hover::before {
    left: 100%;
}

.cta-button:hover, .primary-button:hover {
    background: var(--primary-gradient-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-colored-lg);
}

.cta-button:active, .primary-button:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-md);
}

.primary-button:disabled, .cta-button:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
    opacity: 0.6;
    pointer-events: none;
    background-image: none;
}

.primary-button .button-label {
    transition: opacity 0.2s ease;
}

.primary-button .button-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #ffffff;
    border-radius: 50%;
    display: none;
    animation: button-spin 0.75s linear infinite;
}

.primary-button.loading .button-label {
    opacity: 0;
}

.primary-button.loading .button-spinner {
    display: inline-block;
}

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

.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xs);
    letter-spacing: 0.2px;
}

.secondary-button:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.secondary-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}

.arrow-icon {
    transition: transform 0.2s ease;
}

.cta-button:hover .arrow-icon, .primary-button:hover .arrow-icon {
    transform: translateX(4px);
}

/* 交易所选择页面 */
.exchange-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.exchange-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--exchange-card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.exchange-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.exchange-card:hover::before {
    transform: scaleX(1);
}

.exchange-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-colored);
    background: var(--bg-elevated);
}

.exchange-card.selected {
    border-color: var(--primary-color);
    background: var(--exchange-card-selected-bg);
    box-shadow: var(--shadow-lg), var(--shadow-colored);
}

.exchange-card.selected::before {
    transform: scaleX(1);
}

.exchange-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.exchange-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.exchange-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.exchange-desc {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.checkbox {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.checkbox input[type="checkbox"] {
    display: none;
}

.checkbox label {
    display: block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox input[type="checkbox"]:checked + label {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox input[type="checkbox"]:checked + label::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 方法选择器 */
.method-selector {
    max-width: 800px;
    margin: 0 auto;
}

.method-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
}

.method-tab {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.method-tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.method-content {
    display: none;
}

.method-content.active {
    display: block;
}

/* API输入区域 */
.api-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.api-section {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.3px;
    line-height: var(--line-height-tight);
    /* 确保文字颜色有平滑过渡效果 */
    transition: color 0.5s ease;
}

.add-api-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.add-api-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.add-api-btn:active {
    transform: scale(0.95);
}

.api-configs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.api-config-item {
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    position: relative;
}

.api-config-item:not(:first-child) {
    border-left: 4px solid var(--primary-color);
}

.api-config-item .remove-config-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0;
}

.api-config-item:hover .remove-config-btn {
    opacity: 1;
}

.api-config-item .remove-config-btn:hover {
    background: #DC2626;
    transform: scale(1.1);
}

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

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xs);
}

.input-group input:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-sm);
    transform: translateY(-1px);
}

/* 文件上传区域 */
.file-upload-area {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

/* 方法提示警告框 */
.method-tip-warning {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--warning-light);
    border-left: 4px solid var(--warning-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.5;
}

.method-tip-warning span:first-child {
    font-size: 1.2em;
    flex-shrink: 0;
}

.method-tip-warning .tip-highlight {
    font-weight: 700;
    font-size: 1.15em;
}

.upload-guide-bar {
    display: flex;
    justify-content: flex-start;
    margin-bottom: var(--spacing-md);
    width: 100%;
}

.tutorial-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.15);
}

.tutorial-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(79, 70, 229, 0.2);
}

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

.tutorial-btn-icon {
    font-size: 1rem;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0.05;
    transition: left 0.5s ease;
    pointer-events: none;
}

.upload-zone::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px dashed transparent;
    border-radius: var(--radius-xl);
    pointer-events: none;
    transition: border-color 0.3s ease;
    z-index: 0;
}

.upload-zone:hover::before {
    left: 100%;
}

.upload-zone:hover::after,
.upload-zone.hover-active::after {
    border-color: var(--primary-color);
}

.upload-zone:hover,
.upload-zone.hover-active {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-colored);
}

.upload-zone.dragover::after {
    border-color: var(--primary-color);
    border-style: solid;
}

.upload-zone.dragover {
    background: var(--primary-light);
    transform: scale(1.02) translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-colored-lg);
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.upload-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.upload-tutorial-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-lg);
}

.upload-tutorial-overlay[data-visible="true"] {
    display: flex;
}

.upload-tutorial-window {
    width: min(900px, 100%);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.25);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.3s ease;
}

.tutorial-window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.tutorial-tabs {
    display: flex;
    flex: 1;
    background: var(--bg-secondary);
    padding: 6px;
    border-radius: var(--radius-lg);
    gap: 8px;
}

.tutorial-tab {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-size-base);
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    text-align: center;
}

.tutorial-tab.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.tutorial-tab:not(.disabled):hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.tutorial-tab.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.tutorial-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid transparent;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.tutorial-close-btn:hover {
    background: var(--bg-tertiary);
    transform: rotate(6deg);
}

.tutorial-window-body {
    padding: calc(var(--spacing-lg) * 1.15);
}

.tutorial-window-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.tutorial-window-title {
    margin: 0 0 var(--spacing-sm);
    font-size: calc(var(--font-size-lg) * 1.05);
    color: var(--text-primary);
}

.tutorial-variant-selector {
    display: none;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tutorial-variant-selector[data-visible="true"] {
    display: flex;
}

.tutorial-variant-btn {
    flex: 1;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.55rem 1rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tutorial-variant-btn.active {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.tutorial-variant-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tutorial-exchange-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease, text-decoration 0.2s ease;
    display: inline-block;
}

.tutorial-exchange-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.tutorial-exchange-link:active {
    color: var(--primary-color);
}

.tutorial-video-wrapper {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
.upload-tutorial-window {
    max-height: 92vh;
    overflow: hidden;
    transition: width 0.2s ease;
}

.upload-tutorial-window.mobile-variant-active {
    width: min(420px, 100%);
}

.upload-tutorial-window.mobile-variant-active .tutorial-window-body {
    padding: calc(var(--spacing-lg) * 0.75);
}

    margin-top: var(--spacing-md);
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    transition: opacity 0.2s ease;
    opacity: 1;
}

.tutorial-video-wrapper.mobile-variant {
    aspect-ratio: 1170 / 2532;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.tutorial-video-wrapper.mobile-variant video {
    object-fit: contain;
}

.tutorial-progress {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    pointer-events: auto;
    user-select: none;
}

.tutorial-progress-bar {
    flex: 1;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
    cursor: pointer;
}

.tutorial-progress-fill {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.15s ease;
}

.tutorial-progress-text {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.tutorial-video-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    background: var(--bg-secondary);
    object-fit: contain;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    opacity: 1;
    visibility: visible;
}

.tutorial-step-controls {
    margin-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.tutorial-step-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.tutorial-control-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.tutorial-control-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15);
    background: var(--bg-tertiary);
}

.tutorial-control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tutorial-prev-btn {
    color: var(--text-secondary);
}

.tutorial-step-indicator {
    font-weight: 600;
    color: var(--text-secondary);
}

.tutorial-next-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.25);
}

.tutorial-next-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.tutorial-next-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .upload-tutorial-window {
        width: 100%;
    }
    
    .tutorial-window-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .tutorial-tabs {
        justify-content: space-between;
    }
}

.file-list {
    margin-top: var(--spacing-lg);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

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

.file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.file-size {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.remove-file {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.remove-file:hover {
    background: var(--error-color);
    color: white;
}

/* 定价页面 */
.single-pricing-section {
    max-width: 500px;
    margin: 0 auto var(--spacing-2xl);
}

.pricing-card-single {
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.pricing-card-single .pricing-header {
    margin-bottom: var(--spacing-xl);
}

.pricing-card-single .plan-name {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.pricing-card-single .price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
}

.amount-large {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.currency-label {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-card-single .features {
    list-style: none;
    margin-top: var(--spacing-xl);
}

.pricing-card-single .features li {
    padding: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    position: relative;
    padding-left: var(--spacing-xl);
}

.pricing-card-single .features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: var(--font-size-xl);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.plan-table-wrapper {
    margin-bottom: var(--spacing-2xl);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.plan-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.plan-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.plan-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-colored-lg);
    border-color: var(--primary-color);
}

.plan-card:hover::after {
    opacity: 1;
}

.plan-card.plan-selected {
    border: 2px solid transparent;
    background-image:
        linear-gradient(var(--bg-primary), var(--bg-primary)),
        linear-gradient(135deg, #22d3ee, #3b82f6, #a855f7);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: var(--shadow-2xl), var(--shadow-colored-lg);
    transform: translateY(-4px) scale(1.01);
}

.plan-card.plan-selected::after {
    opacity: 1;
}

.plan-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.plan-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.plan-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.plan-unit,
.plan-cycle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.plan-select-btn {
    width: 100%;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    border: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.plan-select-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.plan-select-btn:hover::before {
    width: 300px;
    height: 300px;
}

.plan-select-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.plan-card.plan-selected .plan-select-btn {
    background: linear-gradient(135deg, #22d3ee, #3b82f6, #a855f7);
    color: #fff;
    box-shadow: var(--shadow-lg), 0 15px 25px rgba(37, 99, 235, 0.35);
}

.plan-card.plan-selected .plan-select-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), 0 20px 30px rgba(37, 99, 235, 0.4);
}

.plan-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.plan-feature-progress .plan-progress-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.45rem;
}

.plan-progress-track {
    background: #e5e7eb;
    border-radius: 999px;
    height: 6px;
    overflow: hidden;
}

.plan-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    border-radius: 999px;
    transition: width 0.3s ease;
}

.plan-progress-fill-gray {
    background: #d1d5db !important;
}

.plan-progress-fill-gradient {
    background: linear-gradient(90deg, #a855f7, #3b82f6, #22d3ee) !important;
}

.plan-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.plan-feature-item.disabled {
    color: #9ca3af;
}

.feature-icon {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: #10b981;
}

.plan-feature-item.disabled .feature-icon {
    background: #d1d5db;
    color: #6b7280;
}

.feature-icon::before {
    content: '✓';
}

.plan-feature-item.disabled .feature-icon::before {
    content: '✕';
}

.no-select {
    user-select: none;
}

.pricing-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
}

.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.amount {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.plan-button {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.plan-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.plan-button.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.plan-button.primary:hover {
    background: var(--primary-hover);
}

/* 支付方式 */
.payment-methods {
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.payment-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.payment-options {
    display: flex;
    gap: var(--spacing-md);
}

.payment-option {
    flex: 1;
    min-width: 0;
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    isolation: isolate;
}

.payment-option label::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--bg-secondary);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 0;
}

.payment-option label:hover::before {
    opacity: 0.75;
}

.payment-option label > * {
    position: relative;
    z-index: 1;
}

.payment-option input[type="radio"]:checked + label {
    border-color: #d1d5db; /* 中性灰色描边 */
    box-shadow: 0 0 0 2px #e5e7eb, var(--shadow-md); /* 去掉彩色高亮，保持纯白底 + 轻微灰色外圈 */
}

.payment-option input[type="radio"]:checked + label::before {
    opacity: 1;
    transform: scale(1.02);
}

.payment-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.payment-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: 64px;
    max-height: 64px;
}

/* Polygon logo 单独放大（保持容器大小一致，但图片更大） */
.payment-option input[type="radio"]#polygon + label .payment-icon img {
    width: 140%;
    height: 140%;
}

/* 支付方式统一使用白色卡片背景，这里不再区分不同链的彩色背景 */

/* 分析结果页面 */
.analysis-dashboard {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.analysis-block1 {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-xl);
    width: 100%;
    height: 100%;
}

.analysis-block1-left {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.analysis-block1-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* 板块2样式 */
.analysis-block2-container {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-xl);
    width: 100%;
    height: 100%;
}

.analysis-block2-left {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.analysis-block2-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.analysis-block3-single {
    flex-direction: column;
}

.analysis-block3-single .analysis-block2-left {
    flex: 1 1 auto;
}

.analysis-block3-single .metrics-grid {
    grid-template-columns: 1fr;
    row-gap: var(--spacing-sm);
    column-gap: 0;
}


.block2-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.block2-tabs.chart-view-toggle {
    width: auto;
    max-width: 100%;
    row-gap: 6px;
}

.block2-tab {
    border: 1px solid transparent;
    background: var(--bg-secondary);
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex: 0 0 auto;
}

.block2-tab:hover {
    color: var(--primary-color);
    background: var(--bg-primary);
}

.block2-tab.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.block2-tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

.block2-tab-content.active {
    display: flex;
    flex-direction: column;
}

.ranking-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xs);
}

.ranking-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.ranking-card .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.single-trades-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    height: 100%;
}

.single-trades-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.single-trades-section .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.hold-loss-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    height: 100%;
}

.hold-loss-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.hold-loss-section .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.hold-loss-section .card-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
    flex: 1;
    animation: none !important;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
    animation: none !important;
}

.chart-switch-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.chart-view-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: 0;
    background: transparent;
}

.chart-view-btn {
    border: 1px solid transparent;
    background: var(--bg-secondary);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.chart-view-btn:hover {
    color: var(--primary-color);
    background: var(--bg-primary);
}

.chart-view-btn.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.analysis-view {
    display: none;
    animation: none !important;
}

.analysis-view.active {
    display: block;
    animation: none !important;
}

.block-title-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

.block-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.metric-unit-note {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 6px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 6px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.metric-label {
    color: var(--text-secondary);
}

.metric-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
}

/* 板块三 / 板块四 竖向布局容器 */
.analysis-vertical-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.analysis-vertical-section {
    width: 100%;
    background: transparent;
    border: none;
    padding: 0;
}

.analysis-vertical-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* 竖向卡片与图表卡片 */
.chart-card,
.vertical-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    animation: none !important;
    transition: all 0.3s ease;
}

.chart-card:hover,
.vertical-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.chart-card-header,
.vertical-card-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chart-card-header h4,
.vertical-card-header h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chart-card-header span,
.vertical-card-header span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.chart-canvas {
    width: 100%;
    height: 320px;
    position: relative;
    animation: none !important;
}

.chart-canvas canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
    animation: none !important;
}

.chart-inline-legend {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.chart-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.chart-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

/* 列表样式 */
.vertical-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.vertical-list-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.vertical-list-item-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    color: var(--text-primary);
}

.vertical-list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.vertical-empty-note {
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-secondary);
}

.vertical-info-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.metric-help {
    margin-left: 4px;
    font-size: 12px;
    cursor: default;
    color: var(--text-muted);
}

.pnl-curve-card,
.symbol-ranking-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    animation: none !important;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.pnl-curve-card:hover,
.symbol-ranking-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 4px;
}

.card-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: right;
}

.card-chart {
    position: relative;
    width: 100%;
    height: 340px;
}

.card-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

.symbol-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.symbol-table-wrapper::-webkit-scrollbar {
    display: none;
}

.symbol-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.symbol-table thead {
    background: var(--bg-secondary);
}

.symbol-table th,
.symbol-table td {
    padding: 6.2px 10px;
    border-bottom: 1px solid var(--border-color);
    text-align: right;
    white-space: nowrap;
    line-height: 1.3;
}

.symbol-table th:first-child,
.symbol-table td:first-child,
.symbol-table th:nth-child(2),
.symbol-table td:nth-child(2) {
    text-align: left;
}

.symbol-table tbody td:first-child,
.symbol-table tbody td:nth-child(2) {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 收窄“币种”这一列，让数值列有更多空间 */
.symbol-table th:nth-child(2),
.symbol-table td:nth-child(2) {
    width: 80px;
    max-width: 80px;
}

.symbol-table tbody tr:nth-child(even) {
    background: var(--bg-tertiary);
}

.symbol-table tbody tr {
    transition: all 0.2s ease;
}

.symbol-table tbody tr:hover {
    background: var(--primary-light);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

/* 单笔交易表格：时间列窄一点，品种列宽一点 */
.single-trades-section .symbol-table th:first-child,
.single-trades-section .symbol-table td:first-child {
    width: 100px;
    max-width: 100px;
    min-width: 90px;
}

.single-trades-section .symbol-table th:nth-child(2),
.single-trades-section .symbol-table td:nth-child(2) {
    width: 120px;
    max-width: 120px;
    min-width: 100px;
}

/* 扛单表格：品种列宽一点，持仓时间列窄一点 */
.hold-loss-section .symbol-table th:nth-child(2),
.hold-loss-section .symbol-table td:nth-child(2) {
    width: 120px;
    max-width: 120px;
    min-width: 100px;
}

.hold-loss-section .symbol-table th:nth-child(5),
.hold-loss-section .symbol-table td:nth-child(5) {
    width: 90px;
    max-width: 90px;
    min-width: 80px;
}

.ranking-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-secondary);
    border-radius: 999px;
    padding: 2px;
}

.ranking-toggle-btn {
    border: none;
    background: transparent;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.ranking-toggle-btn.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.card-footer-note {
    margin-top: 6px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 100%;
    gap: var(--spacing-xl);
    justify-content: center;
}

.analysis-section {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.analysis-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

.analysis-section-large {
    grid-column: 1 / span 2;
    min-height: 600px;
}

.analysis-section-tall {
    min-height: 1200px;
}

.analysis-section-large > .analysis-prompt-container,
.analysis-section-large > .ai-analysis-container,
.analysis-section-large > .placeholder-card {
    width: min(100%, 1200px);
    min-height: 600px;
    height: 600px;
}

.analysis-section-tall > .placeholder-card {
    width: min(100%, 600px);
    min-height: 1200px;
    height: 1200px;
}

.analysis-note-card {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: none;
    border-left: 4px solid var(--primary-color);
    background: var(--primary-light);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    width: 100%;
    align-self: stretch;
    transition: background-color 0.3s ease,
                background 0.3s ease,
                border-color 0.3s ease,
                color 0.3s ease;
}

.analysis-note-full {
    width: 100%;
}

.analysis-block-single {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.analysis-text-sections {
    margin-top: var(--spacing-2xl);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.analysis-text-block {
    display: flex;
}

.analysis-prompt-container,
.ai-analysis-container {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.placeholder-card {
    width: 100%;
    height: 100%;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-sm);
}

.placeholder-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 900px) {
    .analysis-grid {
        grid-template-columns: 1fr;
    }

    .analysis-section-large {
        grid-column: auto;
        min-height: 400px;
    }

    .analysis-block1 {
        flex-direction: column;
    }

    .analysis-block1-left {
        flex: 0 0 auto;
    }

    .analysis-block2-container {
        flex-direction: column;
    }

    .analysis-block2-left {
        flex: 0 0 auto;
    }

    .analysis-section-tall {
        min-height: 400px;
    }

    .analysis-section-large > .analysis-prompt-container,
    .analysis-section-large > .ai-analysis-container,
    .analysis-section-large > .placeholder-card {
        width: 100%;
        height: auto;
        min-height: 400px;
    }

    .analysis-section-tall > .placeholder-card {
        width: 100%;
        height: auto;
        min-height: 400px;
    }

    .analysis-text-sections {
        grid-template-columns: 1fr;
    }
}

.analysis-prompt-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.analysis-prompt-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.analysis-prompt-header .section-title {
    margin: 0;
}

.prompt-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.analysis-prompt-content {
    width: 100%;
    min-height: 420px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.6;
    resize: vertical;
    white-space: pre-wrap;
}

.analysis-meta {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.analysis-prompt-actions {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.analysis-prompt-actions .secondary-button[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.ai-analysis-container {
    margin-top: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.ai-analysis-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.ai-analysis-header .section-title {
    margin: 0;
}

.ai-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.ai-analysis-content {
    width: 100%;
    min-height: 320px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.6;
    resize: vertical;
    white-space: pre-wrap;
}

.ai-analysis-meta {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.ai-analysis-actions {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.ai-analysis-actions .secondary-button[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.analysis-share-anchor {
    position: static;
}

.analysis-share-footer {
    margin-top: -8px;
    padding-top: 0;
    display: flex;
    justify-content: center;
}

.analysis-share-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    padding: 12px 40px;
    min-width: 220px;
    justify-content: center;
}

.analysis-share-trigger[data-ready="false"] {
    opacity: 0.85;
}

.share-photo-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.share-photo-modal[data-visible="true"] {
    display: flex;
}

body.share-photo-modal-open {
    overflow: hidden;
}

.share-photo-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
}

.share-photo-modal-content {
    position: relative;
    z-index: 1;
    width: min(560px, 90vw);
    max-height: 90vh;
    background: var(--bg-primary, #fff);
    border-radius: 28px;
    padding: var(--spacing-2xl);
    box-shadow: 0 40px 80px rgba(15, 23, 42, 0.18);
    display: flex;
    flex-direction: column;
}

.share-photo-modal-header {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.share-photo-modal-header p {
    margin-top: 6px;
    color: var(--text-secondary, #6b7280);
    font-size: var(--font-size-sm);
}

.share-photo-modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: var(--text-secondary, #94a3b8);
}

.share-photo-modal-body {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.share-photo-modal-body img {
    display: block;
    max-width: 100%;
    max-height: 62vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border: 1px dashed rgba(148, 163, 184, 0.6);
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.02);
}

.share-photo-modal-placeholder {
    font-size: var(--font-size-base);
    color: var(--text-secondary, #94a3b8);
    padding: var(--spacing-xl);
    text-align: center;
}

.share-photo-modal-actions {
    margin-top: var(--spacing-sm);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .analysis-share-trigger {
        width: 100%;
        justify-content: center;
    }
    .analysis-share-footer {
        padding-top: var(--spacing-lg);
    }
}

@media (max-width: 640px) {
    .share-photo-modal-content {
        padding: var(--spacing-xl);
    }
    .share-photo-modal-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .share-photo-modal-actions button {
        width: 100%;
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.stat-icon.profit {
    background: var(--secondary-light);
    color: var(--secondary-color);
}

.stat-icon.trades {
    background: var(--primary-light);
    color: var(--primary-color);
}

.stat-icon.winrate {
    background: var(--accent-light);
    color: var(--accent-color);
}

.stat-icon.volume {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.analysis-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.analysis-section {
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    animation: none !important;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-lg);
}

.chart-placeholder {
    height: 200px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: 2px dashed var(--border-color);
}

/* 图表放大模态框 */
.chart-zoom-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 1200;
}

.chart-zoom-modal.active {
    display: flex;
}

.chart-zoom-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
}

.chart-zoom-content {
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: min(90vw, 1200px);
    height: min(80vh, 720px);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

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

.chart-zoom-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-zoom-content canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.risk-assessment {
    text-align: center;
}

.risk-level {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.risk-level.medium {
    background: var(--accent-light);
    color: var(--accent-color);
}

.risk-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.recommendation {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.rec-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: bold;
    flex-shrink: 0;
}

.rec-icon.positive {
    background: var(--secondary-light);
    color: var(--secondary-color);
}

.rec-icon.neutral {
    background: var(--primary-light);
    color: var(--primary-color);
}

.rec-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.rec-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* 操作按钮区域 */
.action-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

/* 分析范围选择样式 */
.filter-panel {
    max-width: 1400px;
    margin: 0 auto var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}
 
/* 全局交易类型标题栏 */
.trade-type-header-global {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.filter-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.filter-group select,
.filter-group input[type="datetime-local"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.radio-group {
    display: flex;
    gap: var(--spacing-md);
}

.token-selector {
    background: var(--bg-primary);
    border: none;
    border-radius: var(--radius-lg);
    padding: 0px 12px 12px;
    margin-top: -6px;
}

.token-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
}

.token-header:hover {
    background: var(--bg-secondary);
}

.token-header .collapse-icon {
    display: inline-block;
    margin-right: 8px;
    transition: transform 0.2s ease;
    font-size: 12px;
}

.token-hint {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    user-select: none;
}

.token-toggle-btn {
    padding: 10px 18px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    min-width: 100px;
}

.token-toggle-btn.active {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}

.token-toggle-btn.active:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.token-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}

.token-checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    height: 36px;              /* 固定高度 */
    overflow: hidden;          /* 防止内容溢出 */
}
/* 选中态：点击后整个小卡片底色变色，不显示对勾 */
.token-checkbox-item:has(input[type="checkbox"]:checked) {
    background: var(--primary-light);
    border-color: var(--primary-color);
}
.token-checkbox-item span {
    display: block;
    white-space: nowrap;       /* 单行显示 */
    overflow: hidden;          /* 溢出隐藏 */
    text-overflow: ellipsis;   /* 省略号 */
    max-width: 100%;
}
.token-checkbox-item input[type="checkbox"] { display: none; }
.token-checkbox-item:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

/* 账户卡片（上下堆叠） */
.account-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.account-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 18px;
    background: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.account-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.account-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-colored);
    border-color: var(--primary-color);
}

.account-card:hover::before {
    transform: scaleY(1);
}

.account-card.selected {
    border-color: var(--primary-color);
    background: var(--primary-light);
    box-shadow: var(--shadow-md), var(--shadow-colored);
}

.account-card.selected::before {
    transform: scaleY(1);
}

.account-card .account-header {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.token-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.token-search-input {
    padding: 8px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    min-width: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.token-search-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.token-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light), 0 2px 4px rgba(59, 130, 246, 0.1);
    background-color: var(--bg-primary);
}

.token-search-input:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-secondary);
}
.account-card .logo-box {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.account-card .logo-box img { width: 36px; height: 36px; object-fit: contain; }
.account-card .account-content {
    width: 100%;
}
.account-card .meta { color: var(--text-secondary); font-size: 13px; }
.account-card .title { color: var(--text-primary); font-weight: 600; }
.account-card .select-btn {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
}
.account-card.selected { border-color: var(--primary-color); background: var(--primary-light); }
.account-card .select-btn:hover { border-color: var(--primary-color); color: var(--primary-color); }
 
/* 时间筛选 */
.time-filter {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
    width: 100%;
}

.time-reset-btn {
    margin-left: auto;
    white-space: nowrap;
}

.time-filter-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    margin-right: 4px;
}

.date-select-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    flex: 1 1 0;
    min-width: 0;
}

.date-select-group select {
    width: 100%;
    padding: 6px 8px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    min-width: 0;
    transition: all 0.2s ease;
}

.date-select-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.time-filter > .date-select-group {
    flex: 1 1 0;
}

.table-section {
    margin-top: var(--spacing-xl);
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.table-header:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.table-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    /* 确保文字颜色有平滑过渡效果 */
    transition: color 0.5s ease;
}

.table-toggle-icon {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.filter-result .table-wrapper {
    margin-top: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 600px;
}

.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-md);
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-size-selector label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.page-size-select {
    padding: 8px 32px 8px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    min-width: 80px;
}

.page-size-select:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.page-size-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light), 0 2px 4px rgba(59, 130, 246, 0.15);
    background-color: var(--bg-primary);
}

.page-size-select:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

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

.pagination-btn {
    padding: 8px 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.positions-section {
    margin-top: var(--spacing-lg);
}

.positions-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

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

#positionsContainer.positions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.position-card {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}
.position-card .pos-main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}
.position-card .pos-head { display: inline-flex; align-items: center; gap: 8px; }
.position-card .pos-symbol {
    font-weight: 700;
    font-size: 14px;
}
.position-card .pos-pnl {
    font-size: 16px;
    font-weight: 700;
}
.position-card .pos-pnl.pnl-positive { color: #16a34a; }
.position-card .pos-pnl.pnl-negative { color: #ef4444; }
.position-card .pos-pnl.pnl-zero { color: var(--text-secondary); }
.position-card .pos-fee {
    font-size: 12px;
    color: var(--text-secondary);
}
.position-card .pos-side {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}
.position-card .pos-side.long { background: #16a34a; }
.position-card .pos-side.short { background: #ef4444; }
.position-card .pos-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-content: start;
    font-size: 13px;
    min-width: 0;             /* 允许收缩 */
    width: 100%;              /* 占满可用空间 */
}
.position-card .meta-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 8px;
}
.position-card .meta-label {
    color: var(--text-secondary);
    margin-right: 6px;
}
.position-card .meta-sep {
    color: var(--text-secondary);
    margin: 0 6px;
}
.position-card .pos-changes {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 统一宽度：每行2个，宽度一致 */
    gap: 8px;
    width: 100%;              /* 占满容器宽度 */
}
.position-card .change-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 56px;          /* 最小宽度（48px chip + 8px gap） */
    box-sizing: border-box;   /* 包含padding和border */
    width: 100%;              /* 占满grid列宽度，确保统一 */
}
.position-card .change-chip {
    font-size: 12px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;              /* 固定宽度，确保所有仓位对齐 */
    min-width: 48px;          /* 最小宽度，保证"开仓/平仓/加仓/减仓"视觉一致 */
    max-width: 48px;          /* 最大宽度，防止扩展 */
    flex-shrink: 0;           /* 不允许收缩 */
    flex-grow: 0;             /* 不允许增长 */
    text-align: center;
    box-sizing: border-box;
    white-space: nowrap;      /* 防止文字换行 */
    line-height: 1.2;         /* 固定行高，确保对齐 */
    font-family: 'Consolas', 'Monaco', 'Courier New', Courier, monospace; /* 等宽字体 */
}
.change-chip.open { background: #3b82f6; }
.change-chip.add { background: #16a34a; }
.change-chip.reduce { background: #ef4444; }
.change-chip.close { background: #6b7280; }
.position-card .change-detail {
    color: var(--text-primary);
    font-size: 12px;
    white-space: nowrap;      /* 单行显示，确保对齐 */
    overflow: hidden;         /* 溢出隐藏 */
    text-overflow: ellipsis;  /* 文本过长时显示省略号 */
    flex: 1;                  /* 自动填充剩余空间，可扩展显示更多内容 */
    min-width: 0;            /* 允许收缩到最小，确保ellipsis生效 */
    line-height: 1.2;         /* 固定行高，与chip对齐 */
    font-family: 'Consolas', 'Monaco', 'Courier New', Courier, monospace; /* 等宽字体 */
}

#resultTable {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    table-layout: fixed; /* 固定表格布局，支持列宽调整 */
}

#resultTable thead th {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    text-align: left;
    padding: 8px;
    font-weight: 600;
    user-select: none;
}

#resultTable thead th:last-child {
    border-right: none; /* 最后一列不显示右边框，保持表格整体美观 */
}

#resultTable thead th.resizable-header {
    position: relative;
}

#resultTable thead th .resize-handle {
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    cursor: col-resize;
    background: transparent;
    z-index: 1;
}

#resultTable thead th .resize-handle:hover {
    background: var(--primary-color);
}

#resultTable tbody td {
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#resultTable tbody td:last-child {
    border-right: none; /* 最后一列不显示右边框，保持表格整体美观 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .logo {
        font-size: var(--font-size-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        word-break: break-word;
        hyphens: auto;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        word-break: break-word;
        hyphens: auto;
    }
    
    .hero-section {
        max-width: 100%;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
    
    .exchange-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .plan-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .analysis-sections {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .payment-options {
        flex-direction: column;
    }
    .token-checkbox-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    
    .method-tabs {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .back-button, .primary-button {
        width: 100%;
        justify-content: center;
    }
    .position-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .recommendation {
        flex-direction: column;
        text-align: center;
    }
}

/* 加载动画 - 更现代的设计 */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-light);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    border-right-color: var(--primary-color);
    animation: spin 0.8s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 3px solid transparent;
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite reverse;
    opacity: 0.5;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--text-primary);
    color: white;
    text-align: center;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: var(--font-size-xs);
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 页面内容动画 - 已移动到页面切换动画部分 */

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

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

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

@keyframes pulse {
    0% {
        transform: scale(2);
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
    }
    100% {
        transform: scale(2.2);
        box-shadow: 0 0 50px rgba(59, 130, 246, 0.6);
    }
}

/* 按钮悬停增强效果 */
.cta-button, .primary-button {
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.cta-button::before, .primary-button::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 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cta-button:hover::before, .primary-button:hover::before {
    left: 100%;
}

.cta-button:hover, .primary-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* 卡片悬停效果增强 */
.exchange-card, .pricing-card {
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.exchange-card::before, .pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.05) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}

.exchange-card:hover::before, .pricing-card:hover::before {
    opacity: 1;
}

.exchange-card:hover, .pricing-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* 输入框聚焦效果增强 */
.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    transform: translateY(-1px);
}

/* 页面切换时的加载效果 */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 与主页面保持同样的背景：让底层 canvas 和主体背景透出，而不是额外加一层纯色/纯白 */
    background: transparent;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.page-transition-overlay.active {
    opacity: 1;
    visibility: visible;
}

.page-transition-overlay .loading {
    transform: scale(2);
    border-width: 4px;
    border-top-color: var(--primary-color);
    border-right-color: var(--secondary-color);
    border-bottom-color: var(--accent-color);
    border-left-color: var(--primary-color);
    animation: spin 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.page-transition-overlay.active .loading {
    animation: spin 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite, pulse 0.8s ease-in-out infinite alternate;
}

/* 微妙的背景动画 - 已移除，使用纯色背景以支持平滑过渡（与 example.html 一致） */

body > * {
    position: relative;
    z-index: 1;
}

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

body.dark-mode {
    background-color: #050b14; /* 深色模式背景色，与 example.html 的 dark:bg-[#050b14] 一致 */
}

body.dark-mode::before {
    background: 
        radial-gradient(circle at 20% 50%, rgba(96, 165, 250, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

/* 卡片进入动画 - 更流畅的效果 */
.exchange-card, .pricing-card, .stat-card, .plan-card {
    animation: cardSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    opacity: 0;
    transform: translateY(30px) scale(0.95);
}

.exchange-card:nth-child(1) { animation-delay: 0.1s; }
.exchange-card:nth-child(2) { animation-delay: 0.2s; }
.exchange-card:nth-child(3) { animation-delay: 0.3s; }
.pricing-card:nth-child(1), .plan-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2), .plan-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3), .plan-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95) rotateX(5deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 按钮点击效果 - 更明显的反馈 */
.cta-button:active, .primary-button:active, .plan-button:active {
    transform: scale(0.96) translateY(0);
    box-shadow: var(--shadow-sm);
}

/* 添加按钮涟漪效果 */
.cta-button, .primary-button, .secondary-button {
    position: relative;
    overflow: hidden;
}

.cta-button::after, .primary-button::after, .secondary-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.cta-button:active::after, .primary-button:active::after, .secondary-button:active::after {
    width: 300px;
    height: 300px;
}

/* 复选框动画增强 */
.checkbox input[type="checkbox"]:checked + label {
    animation: checkBounce 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background: var(--primary-gradient);
    border-color: transparent;
}

.checkbox label {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox label:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

@keyframes checkBounce {
    0% { 
        transform: scale(1) rotate(0deg);
    }
    50% { 
        transform: scale(1.2) rotate(180deg);
    }
    100% { 
        transform: scale(1) rotate(360deg);
    }
}

/* 文件上传区域动画 */
.upload-zone {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.upload-zone:hover {
    transform: translateY(-2px);
}

/* 通知动画增强 */
.notification {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
    transition: background 0.3s ease;
}

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

/* 性能优化 */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page, .exchange-card, .pricing-card, .stat-card {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* 页面切换时的平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 减少动画对低端设备的影响 */
@media (prefers-reduced-motion: reduce) {
    .page, .exchange-card, .pricing-card, .stat-card,
    .cta-button, .primary-button, .back-button {
        animation: none !important;
        transition: none !important;
    }
}

/* ==================== 登录/注册页面样式 ==================== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-light);
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.auth-title {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    text-align: center;
    letter-spacing: -0.5px;
    /* 确保背景渐变有平滑过渡效果 */
    transition: background 0.5s ease;
}

.auth-card .input-group {
    margin-bottom: 1.5rem;
}

.auth-card .input-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.auth-card .input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-card .input-group input:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-card .input-group input.error {
    border-color: #EF4444;
}

.auth-card .input-group input.error:focus {
    border-color: #EF4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* 密码输入框包装器 */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6B7280;
    transition: color 0.2s;
    z-index: 1;
}

.password-toggle:hover {
    color: #374151;
}

.password-toggle:focus {
    outline: none;
}

.eye-icon {
    font-size: 18px;
    user-select: none;
    display: inline-block;
}

.password-error {
    display: block;
    color: #EF4444;
    font-size: 12px;
    margin-top: 4px;
    line-height: 1.4;
}

.code-input-group {
    display: flex;
    gap: 0.75rem;
}

.code-input-group input {
    flex: 1;
}

.code-button {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: var(--shadow-xs);
}

.code-button:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.code-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 14px;
    color: #6B7280;
}

.auth-footer a {
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .code-input-group {
        flex-direction: column;
    }
    
    .code-button {
        width: 100%;
    }
}

/* 右上角提示消息 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    min-width: 300px;
    max-width: 500px;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
    animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 4px solid var(--primary-color);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}

.toast.success {
    border-left-color: #10B981;
}

.toast.error {
    border-left-color: #EF4444;
}

.toast.warning {
    border-left-color: #F59E0B;
}

.toast.info {
    border-left-color: #3B82F6;
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: #10B981;
}

.toast.error .toast-icon {
    color: #EF4444;
}

.toast.warning .toast-icon {
    color: #F59E0B;
}

.toast.info .toast-icon {
    color: #3B82F6;
}

.toast-message {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color 0.2s;
}

.toast-close:hover {
    color: var(--text-primary);
}

/* 历史分析页面样式 */
.history-list {
    margin-top: var(--spacing-xl);
}

.history-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.history-item-header {
    margin-bottom: var(--spacing-sm);
}

.history-item-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.history-sequence-group {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.history-sequence {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.history-time {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.history-item-content {
    margin-top: var(--spacing-sm);
}

.history-exchanges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.history-exchange-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.history-paid-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #ECFDF5;
    border: 1px solid #10B981;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: #059669;
    font-weight: 600;
    margin-left: 8px;
}

.history-unresolved-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #FEF3C7;
    border: 1px solid #F59E0B;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: #D97706;
    font-weight: 600;
    margin-left: 8px;
}

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

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

.toast.hiding {
    animation: slideOutRight 0.3s ease-out forwards;
}

/* 主题切换按钮样式 */
.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.theme-toggle-btn:hover {
    background: var(--hover-bg);
    transform: scale(1.05);
}

.theme-toggle-icon {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.theme-toggle-btn:hover .theme-toggle-icon {
    transform: rotate(20deg);
}

/* 为所有元素添加主题切换过渡效果 */
* {
    transition: background-color 0.3s ease, 
                background 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease;
}

/* 排除不需要过渡的元素 */
*:not(body):not(.page):not(.container):not([class*="card"]):not([class*="block"]):not([class*="item"]):not([class*="container"]):not(button):not(input):not(textarea):not(select) {
    transition: none;
}

/* 确保关键元素有过渡效果 */
body,
.page,
.container,
.main-content,
.header,
.card,
.analysis-card,
.analysis-note-card,
.analysis-block1-left,
.analysis-block1-right,
.metric-card,
.block2-tab-content,
.block4-tab-content,
.block5-tab-content,
.vertical-list-item,
.analysis-prompt-container,
.ai-analysis-container,
.placeholder-card,
.exchange-card,
.method-content,
.api-config-item,
.pricing-card,
.filter-result-container,
.history-item,
.analysis-summary-container,
.analysis-summary-item,
.form-group,
.input-field,
.button,
.primary-button,
.secondary-button,
.theme-toggle-btn,
textarea,
input,
select {
    transition: background-color 0.3s ease, 
                background 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease !important;
}

/* 分析报告板块统一过渡效果 */
#analysisBlock1,
#analysisBlock2,
#analysisBlock3,
#analysisBlock4,
#analysisBlock5,
#analysisBlock6 {
    background: var(--bg-primary);
    transition: background-color 0.3s ease, 
                background 0.3s ease,
                border-color 0.3s ease,
                color 0.3s ease;
}

/* 数据字体和标签过渡效果 */
.metric-label,
.metric-value,
.metric-row,
.card-title,
.card-subtitle,
.section-title,
.block-title-row,
.vertical-card-header h4,
.chart-card-header h4 {
    transition: color 0.3s ease;
}

/* 板块内所有边框和背景过渡效果 */
.ranking-card,
.single-trades-section,
.hold-loss-section,
.pnl-curve-card,
.symbol-ranking-card,
.chart-card,
.vertical-card,
.analysis-note-card,
.analysis-block1,
.analysis-block1-left,
.analysis-block1-right,
.analysis-block2-container,
.analysis-block2-left,
.analysis-block2-right,
.analysis-vertical-container,
.analysis-vertical-section,
.vertical-list-item,
.symbol-table,
.symbol-table th,
.symbol-table td {
    transition: border-color 0.3s ease,
                background-color 0.3s ease,
                background 0.3s ease,
                color 0.3s ease;
}

/* AI分析模块六样式 */
.analysis-summary-container {
    padding: 24px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.analysis-summary-container .section-title {
    margin-bottom: 24px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.analysis-summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.analysis-summary-item {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.analysis-summary-item h4 {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

.analysis-summary-content {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.analysis-summary-content:empty::before {
    content: "AI分析生成后将显示在此";
    color: var(--text-tertiary);
    font-style: italic;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .analysis-summary-grid {
        grid-template-columns: 1fr;
    }
}

/* 确保header布局正确 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

/* 确保所有输入框和按钮也有过渡效果 */
button,
input,
textarea,
select,
.input-field,
.form-control {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease !important;
}

/* CDK相关样式 */
.cdk-section {
    margin-top: 24px;
}

.cdk-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary, #F3F4F6);
    border-radius: 8px;
    margin-bottom: 12px;
    transition: background-color 0.2s ease;
}

.cdk-toggle:hover {
    background: var(--border-color, #E5E7EB);
}

.cdk-toggle span:first-child {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary, #1F2937);
}

#cdkToggleIcon {
    font-size: 18px;
    color: var(--text-secondary, #6B7280);
    transition: transform 0.2s ease;
}

#cdkInputContainer {
    padding: 16px;
    background: var(--bg-primary, #FFFFFF);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    animation: slideDown 0.3s ease-out;
}

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

#cdkInput {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color, #D1D5DB);
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#cdkInput:focus {
    outline: none;
    border-color: var(--primary-color, #3B82F6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

#cdkMessage {
    margin-top: 12px;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 6px;
    line-height: 1.5;
}

#cdkMessage[style*="color: #059669"] {
    background: var(--success-light, #D1FAE5);
    color: var(--success-color, #059669);
}

#cdkMessage[style*="color: #EF4444"] {
    background: var(--error-light, #FEE2E2);
    color: var(--error-color, #EF4444);
}

/* 暗色模式支持 */
.dark-mode .cdk-toggle {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode .cdk-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-mode #cdkInputContainer {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-mode #cdkInput {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.dark-mode #cdkInput:focus {
    border-color: var(--primary-color, #3B82F6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}