:root {
    /* Colors */
    --color-primary-orange: #FF6B35;
    --color-secondary-orange: #F7931E;
    --color-tertiary-orange: #FFD700;
    --color-gradient-orange: linear-gradient(135deg, var(--color-primary-orange) 0%, var(--color-secondary-orange) 50%, var(--color-tertiary-orange) 100%);

    --color-primary-purple: #8A2BE2; /* BlueViolet */
    --color-secondary-purple: #9370DB; /* MediumPurple */
    --color-tertiary-purple: #BA55D3; /* Orchid */
    --color-gradient-purple: linear-gradient(135deg, var(--color-primary-purple) 0%, var(--color-secondary-purple) 50%, var(--color-tertiary-purple) 100%);

    --color-text-dark: #1C1C1E;
    --color-text-medium: #636366;
    --color-text-light: #AEAEB2;
    --color-background-light: #F2F2F7;
    --color-background-card: rgba(255, 255, 255, 0.8);
    --color-border-light: rgba(255, 255, 255, 0.2);
    --color-shadow-light: rgba(0, 0, 0, 0.05);
    --color-shadow-medium: rgba(0, 0, 0, 0.1);
    --color-shadow-strong: rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-family-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-h1: 3.5rem; /* Bold title */
    --font-size-h2: 2.5rem;
    --font-size-h3: 1.8rem;
    --font-size-body: 1rem;
    --font-size-small: 0.875rem;

    /* Spacing */
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows (for glassmorphism) */
    --shadow-glass-sm: 0 2px 4px var(--color-shadow-light);
    --shadow-glass-md: 0 4px 12px var(--color-shadow-medium);
    --shadow-glass-lg: 0 8px 24px var(--color-shadow-strong);

    /* Transitions */
    --transition-ease: all 0.3s ease-in-out;
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* 主色调 - 深度渐变系统 */
    --primary-color: #FF6B35;
    --primary-gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 50%, #FFD700 100%);
    --primary-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
    /* 新增颜色系统 */
    --text-primary: #1D1D1F;      /* 主标题、特性标题 */
    --text-secondary: #86868B;     /* 副标题、描述文字 */
    --text-tertiary: #C7C7CC;      /* 辅助信息 */
    --error-color: #FF3B30;        /* 价格、服务名 */
    --success-color: #30D158;      /* 功能图标 */
    --warning-color: #FF9500;      /* 总价显示 */
    /* 中性色调 - 更加精致 */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #C7C7CC;
    /* 背景系统 */
    --background-primary: #FAFAFA;
    --background-secondary: #FFFFFF;
    /* 字体系统 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
    /* 间距系统 */
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    background-color: var(--color-background-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Glassmorphism Effect */
.card, .navbar, .modal-content, .notification, .document-info, #inputText, #optimizeType, .upload-area {
    background-color: var(--color-background-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass-md);
    transition: var(--transition-ease);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    z-index: 1000;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    box-shadow: var(--shadow-glass-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.navbar-brand h1 {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin: 0;
    color: var(--color-text-dark);
}

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

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-medium);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-ease);
}

/* 个人中心导航项样式 */
#profileNav {
    transform: translateY(-7px);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary-orange);
    background-color: rgba(255, 107, 53, 0.1);
}

.navbar-auth .auth-btn {
    text-decoration: none;
    color: var(--color-primary-orange);
    border: 1px solid var(--color-primary-orange);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-ease);
    background-color: transparent;
    cursor: pointer;
}

.navbar-auth .auth-btn:hover {
    background-color: var(--color-primary-orange);
    color: white;
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-dark);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-ease);
}

.mobile-menu-toggle:hover {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--color-primary-orange);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--color-primary-orange);
    outline-offset: 2px;
}

/* Hero Section - 视觉冲击力 */
.hero-section {
    text-align: center;
    padding: var(--space-2xl) 0;
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.03) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 var(--space-md);
    letter-spacing: -0.04em;
}

.hero-title-main {
    display: block;
    color: var(--text-primary);
    font-size: 1.7em;
}

.hero-title-accent {
    display: block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    font-size: 1.7em;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 400;
    color: var(--text-secondary);
    margin: 0 0 var(--space-sm);
    line-height: 1.4;
}

.hero-description {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
    opacity: 0.8;
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr 380px; /* 左侧自适应，右侧固定380px */
    }
}

.main-content-left, .main-content-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Cards */
.card {
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-glass-lg);
    transform: translateY(-2px);
}

/* Upload Area */
.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-primary-orange); /* Orange dashed border */
    border-radius: var(--radius-lg); /* Slightly larger radius */
    text-align: center;
    transition: var(--transition-ease);
    background-color: rgba(255, 107, 53, 0.03); /* Light orange background */
    min-height: 250px; /* Ensure it takes up space */
}

.upload-area:hover {
    background-color: rgba(255, 107, 53, 0.08); /* Slightly darker on hover */
}

/* Uploaded File Display */
.upload-area.has-file {
    background-color: rgba(82, 196, 26, 0.05); /* Light green background for uploaded state */
    border-color: rgba(82, 196, 26, 0.3);
}

.uploaded-file {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(82, 196, 26, 0.2);
    width: 100%;
    max-width: 400px;
}

.uploaded-file .file-icon {
    font-size: 32px;
    color: #52c41a;
}

.uploaded-file .file-info {
    flex: 1;
}

.uploaded-file .file-name {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.uploaded-file .file-size {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.uploaded-file .remove-file {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-ease);
}

.uploaded-file .remove-file:hover {
    background-color: rgba(255, 77, 79, 0.1);
    color: #ff4d4f;
}

.upload-icon-wrapper {
    width: 80px; /* Larger icon container */
    height: 80px;
    border-radius: 50%;
    background: var(--color-gradient-orange); /* Gradient background */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-glass-md);
}

.upload-icon-wrapper svg {
    width: 48px; /* Icon size */
    height: 48px;
    color: white; /* White icon color */
}

.upload-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-subtitle {
    font-size: var(--font-size-body);
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-lg);
}

.upload-btn {
    background: var(--color-gradient-orange);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-body);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-ease);
    display: inline-flex; /* Changed to inline-flex for centering */
    align-items: center;
    justify-content: center; /* Center content */
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl); /* More space below button */
}

.upload-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.upload-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 400px; /* Limit width for better readability */
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xxs);
    font-size: var(--font-size-small);
    color: var(--color-text-medium);
    background-color: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-glass-sm);
}

.feature-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary-orange);
}

/* Document Info */
.document-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-medium);
    margin-top: var(--spacing-md);
}

.document-info #clearDocBtn {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition-ease);
}

.document-info #clearDocBtn:hover {
    color: var(--color-primary-orange);
}

/* Textarea & Select */
#inputText {
    width: 100%;
    min-height: 250px;
    padding: var(--spacing-md);
    font-size: var(--font-size-body);
    line-height: 1.2;
    resize: vertical;
    color: var(--color-text-dark);
    margin-left: -20px; /* 继续向左移动10px */
}

#inputText:focus {
    outline: none;
    border-color: var(--color-primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

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

#optimizeType {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-body);
    color: var(--color-text-dark);
    cursor: pointer;
}

#optimizeType:focus {
    outline: none;
    border-color: var(--color-primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.primary-btn {
    background: var(--color-gradient-orange);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-body);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-ease);
}

.primary-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

.compact-btn {
    padding: var(--spacing-xs) var(--spacing-md) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    border-radius: 8px !important;
}

/* ==================== 合伙人招募遮罩层样式 ==================== */
.partnership-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: partnershipFadeIn 0.3s ease-out;
}

.partnership-modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 32px;
    max-width: 480px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: partnershipSlideUp 0.3s ease-out;
    position: relative;
}

.partnership-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.partnership-modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: #1D1D1F;
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.partnership-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: #86868B;
}

.partnership-close-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #1D1D1F;
}

.partnership-modal-body {
    text-align: center;
}

.partnership-info {
    margin-bottom: 32px;
}

.partnership-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1D1D1F;
    margin: 0 0 12px 0;
}

.partnership-info p {
    font-size: 16px;
    color: #86868B;
    margin: 0;
    line-height: 1.5;
}

.partnership-qr-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.partnership-qr-code {
    width: 200px;
    height: 200px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.partnership-qr-text {
    font-size: 14px;
    color: #86868B;
    margin: 0;
    font-weight: 500;
}

/* 动画效果 */
@keyframes partnershipFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes partnershipSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .partnership-modal-content {
        padding: 24px;
        margin: 20px;
        max-width: none;
        width: calc(100% - 40px);
    }

    .partnership-modal-header h2 {
        font-size: 20px;
    }

    .partnership-info h3 {
        font-size: 18px;
    }

    .partnership-qr-code {
        width: 160px;
        height: 160px;
    }
}

/* ==================== 支付按钮隐藏样式 ==================== */
/* 永久隐藏支付宝直接支付按钮 */
#alipayDirectBtn {
    display: none !important;
}

/* 移动端隐藏微信待开放中按钮 */
@media (max-width: 768px) {
    #modalWechatPaymentBtn.maintenance {
        display: none !important;
    }
}

/* Output Section */
.output-section h2 {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
}

.output-box {
    min-height: 250px;
    max-height: 400px; /* Add max-height for scrollbar */
    padding: var(--spacing-lg);
    font-size: var(--font-size-body);
    line-height: 1.2;
    color: var(--color-text-dark);
    white-space: pre-wrap;
    word-break: break-word;
    overflow-y: auto;
    background-color: rgba(240, 240, 245, 0.5);
}

.output-box .placeholder {
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--spacing-xxl);
}

.output-box pre {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 1.05rem;
    line-height: 1.3;
    margin: 0;
    padding: 0;
    white-space: pre-wrap;
    word-break: break-word;
    background: none;
    border: none;
}

.output-box pre p {
    margin-bottom: var(--spacing-md);
}

.output-box pre p:last-child {
    margin-bottom: 0;
}

.result-actions {
    display: flex;
    flex-direction: row;
    justify-content: space-between; /* Align items to the start and end */
    align-items: center; /* Vertically align items */
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.result-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-medium);
}


/* Service Cards*/
#aiServiceCard {
    font-family: var(--font-family);
    background: white; /* 改为白色背景 */
    border: 1px solid rgba(255, 255, 255, 0.5); /* 半透明白色边框 */
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: var(--space-lg);
    min-height: 350px;
    width: 350px; /* 宽度自适应 */
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* 过渡时间 */
    margin-top: 10px;
}

#aiServiceCard.selected {
    border: 2px solid var(--color-primary-orange);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
    transform: translateY(-8px);
}

#expertServiceCard:hover {
    transform: translateY(-6px); /* 向上移动 */
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.16); /* 阴影增强 */
    border-color: rgba(255, 255, 255, 0.3); /* 边框亮度提升 */
}

#expertServiceCard.selected { /* 选中状态 */
    border: 2px solid var(--color-primary-purple); /* 2px紫色边框 */
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.2); /* 外发光 */
    transform: translateY(-8px); /* 额外向上移动 */
}

/* 专家优化服务卡片样式 */
.expert-service-card {
    background: white;
    position: relative;
    min-height: 350px;
    width: 350px;
    border-radius: var(--radius-lg); /* Added for rounded corners */
}

.expert-service-card .service-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--color-primary-purple);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 10px 16px;
    border-bottom-left-radius: 12px;
    border-top-right-radius: var(--radius-lg);
    z-index: 2;
}

.expert-service-card .service-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 32px;
    margin-bottom: 12px;
    gap: var(--space-xs);
}

.expert-service-card .service-title {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.expert-service-card .expert-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
}

.expert-service-card .expert-icon svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.expert-service-card .service-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.expert-service-card .service-subtitle {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.expert-service-card .service-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.expert-service-card .service-price .current-price {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
}

.expert-service-card .service-price .price-unit {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1;
}

.expert-service-card .price-display {
    position: absolute;
    left: 20px;
    bottom: 20px;
    margin: 0;
    z-index: 10;
    background: none;
}

.expert-service-card .service-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
}

.expert-service-card .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.expert-service-card .feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
}

.expert-service-card .feature-icon.expert-star {
    background: transparent;
}

.expert-service-card .feature-icon.expert-star svg {
    color: var(--color-primary-purple);
}

.expert-service-card .feature-icon svg {
    width: 14px;
    height: 14px;
    color: #fff;
}

.expert-service-card .feature-content {
    display: flex;
    flex-direction: column;
}

.expert-service-card .feature-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.expert-service-card .feature-desc {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .expert-service-card .service-name {
        font-size: 16px;
    }
    .expert-service-card .service-price .current-price {
        font-size: 24px;
    }
    .expert-service-card .price-display {
        font-size: 18px;
    }
    .expert-service-card .feature-title {
        font-size: 14px;
    }
    .expert-service-card .feature-desc {
        font-size: 13px;
    }
    .expert-service-card .service-header {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    .expert-service-card .service-features {
        gap: 8px;
    }
}

/* 🏷️ 服务徽章 */
#aiServiceCard .badge-top-left {
    position: absolute;
    top: -1px;
    left: -1px;
    background: #1D1D1F;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 10px 16px;
    border-bottom-right-radius: 12px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: 0;
    white-space: nowrap; /* 防止文本换行 */
    z-index: 2;
}

#aiServiceCard .badge-top-right {
    position: absolute;
    top: -1px;
    right: -1px;
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.05) 0%, rgba(255, 107, 53, 0.05) 100%); /* 橙色渐变背景 */
    color: #FF007F;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 10px 16px;
    border-bottom-left-radius: 12px;
    border-top-right-radius: 0;
    border-top-left-radius: 0;
    border-bottom-right-radius: 0;
    white-space: nowrap; /* 防止文本换行 */
    overflow: hidden; /* 隐藏超出部分 */
    z-index: 2;
    width: 150px; /* 设置固定宽度，以便计算动画 */
}

#aiServiceCard .badge-top-right .marquee-text {
    display: inline-block;
    animation: marquee-in-box 10s linear infinite alternate; /* 应用新的动画，alternate实现来回移动 */
}

@keyframes marquee-in-box {
    0% { transform: translateX(0); } /* 从左侧开始 */
    100% { transform: translateX(calc(150px - 100%)); } /* 移动到右侧，150px是徽章宽度 */
}

/* 🎯 服务头部区域 */
#aiServiceCard .card-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 32px; /* 徽章到服务头部：32px */
    margin-bottom: 12px; /* 服务头部到平台说明：12px */
    gap: var(--space-xs);
}
#aiServiceCard .service-info {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
#aiServiceCard .service-title-group {
    display: flex;
    align-items: baseline;
    gap: 8px;
}
#aiServiceCard .main-service-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--error-color);
    line-height: 1.2;
    letter-spacing: 0.5px;
}
#aiServiceCard .badge-pro {
    background: #1D1D1F;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    border-radius: 6px;
    padding: 6px 12px;
    margin-left: 0; /* Remove margin-left */
    letter-spacing: 0.5px;
}
#aiServiceCard .service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary-orange) 0%, var(--color-secondary-orange) 100%); /* 橙色渐变背景 */
    display: flex;
    align-items: center;
    justify-content: center;
}
#aiServiceCard .service-icon svg {
    width: 28px;
    height: 28px;
    color: #fff; /* 白色AI图标 */
}

#aiServiceCard .badge-pro {
    background: #1D1D1F; /* 黑色背景 */
    color: #fff; /* 白色文字 */
    font-size: 11px;
    font-weight: 800;
    border-radius: 6px; /* 小圆角 */
    padding: 6px 12px; /* 6px内边距 */
    margin-left: 0; /* 确保没有多余的margin */
}
#aiServiceCard .price-info {
    display: flex;
    align-items: baseline; /* 垂直对齐：baseline对齐 */
    gap: 6px; /* 间距6px */
    flex-direction: row;
}
#aiServiceCard .current-price {
    font-size: 28px;
    font-weight: 900;
    color: var(--error-color); /* 红色 */
    line-height: 1;
}
#aiServiceCard .price-unit {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary); /* 灰色 */
    line-height: 1;
}
#aiServiceCard .original-price {
    font-size: 14px;
    color: var(--text-secondary); /* 灰色 */
    text-decoration: line-through;
    font-weight: 400;
    line-height: 1;
}

/* 🌐 支持平台说明 */
#aiServiceCard .platform-support {
    margin-top: 12px;
    margin-bottom: 12px; /* 平台说明到价格显示：12px */
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}
#aiServiceCard .platform-support .platform-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}
#aiServiceCard .platform-support .platform-sep {
    color: var(--text-secondary);
    margin: 0 4px;
}

/* 💰 动态价格显示 */
#aiServiceCard .price-display {
    font-size: 20px;
    font-weight: 800;
    color: var(--warning-color);
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-align: left;
    position: absolute;
    bottom: var(--space-xl);
    left: var(--space-lg);
    z-index: 10;
}

/* ✨ 功能特性列表 */
#aiServiceCard .feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
}
#aiServiceCard .feature-item { /* 新增的 feature-item */
    display: flex;
    align-items: center; /* 垂直居中对齐 */
    gap: 12px;
}
#aiServiceCard .feature-icon { /* 新增的 feature-icon */
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0; /* 移除顶部间距 */
}
#aiServiceCard .feature-icon svg { /* 新增的 feature-icon svg */
    width: 14px;
    height: 14px;
    color: #fff;
}
#aiServiceCard .feature-content {
    display: flex;
    flex-direction: column;
}
#aiServiceCard .feature-title { /* 修改为 feature-title */
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary); /* 黑色 */
    line-height: 1.2;
}
#aiServiceCard .feature-desc { /* 修改为 feature-desc */
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary); /* 灰色 */
    line-height: 1.5;
    margin-top: 4px;
}

/* Payment Section */
.payment-section {
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.05) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    height: 370px;
    padding: 16px;
    position: relative;
    overflow: hidden;
}

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

.payment-section .payment-title-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.payment-section .payment-icon-wrapper {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #FF9900 0%, #FF6B35 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.payment-section .payment-icon-wrapper svg {
    width: 24px;
    height: 24px;
    color: white;
}

.payment-section .payment-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-dark);
}

.payment-section .payment-subtitle {
    font-size: 14px;
    color: var(--color-text-medium);
}

.payment-section .realtime-order-indicator {
    background-color: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    border-radius: 16px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-dark);
}

.payment-section .realtime-order-indicator .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #FF3B30;
    border-radius: 50%;
    animation: pulse 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0.7; }
}

@keyframes marquee-right {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.payment-section .qr-code-display-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px; /* Adjust as needed */
    margin-bottom: var(--spacing-lg);
}

.payment-section .qr-code-placeholder {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(248, 250, 252, 0.8) 100%);
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    max-width: 250px; /* Limit width */
    box-sizing: border-box;
}

.payment-section .qr-code-placeholder svg {
    width: 48px;
    height: 48px;
    color: #B0B0B0;
    margin-bottom: var(--spacing-sm);
}

.payment-section .qr-code-placeholder p {
    font-size: 15px;
    color: #808080;
    margin: 0;
}

.payment-section .qr-code-container {
    background-color: white;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.payment-section .qr-code-container img {
    width: 160px;
    height: 160px;
    display: block;
}

.payment-section .qr-code-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, calc(-50% - 12px));  /* Move up 12px from center */
    width: 36px;
    height: 36px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.payment-section .qr-code-logo-overlay svg {
    width: 28px;
    height: 28px;
    display: block;
}

.payment-section .qr-code-info {
    text-align: center;
    margin-top: var(--spacing-sm);
}

.payment-section .qr-code-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin: 0 0 4px 0;
}

.payment-section .qr-code-info p {
    font-size: 14px;
    color: var(--color-text-medium);
    margin: 0;
}

.payment-section .security-tips {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: var(--spacing-sm);
}

.payment-section .security-tips .tip-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--color-text-medium);
}

.payment-section .security-tips .tip-item svg {
    width: 14px;
    height: 14px;
}

.payment-section .security-tips .tip-item.star svg {
    color: #FFC107; /* Gold color for star */
}

.payment-section .security-tips .tip-item.check svg {
    color: #28a745; /* Green color for check */
}

.payment-section .countdown-timer {
    background-color: rgba(240, 240, 240, 0.5);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--color-text-medium);
    margin-top: var(--spacing-sm);
}

.payment-section .countdown-timer span {
    font-weight: 600;
    color: var(--color-primary-orange);
}

.payment-section .payment-methods {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.payment-section .payment-method-btn {
    flex: 1;
    height: 40px;
    background-color: white;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-dark);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.payment-section .payment-method-btn.wechat:hover {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.05);
    transform: translateY(-2px);
}

.payment-section .payment-method-btn.alipay:hover {
    border-color: #007AFF;
    background-color: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
}

.payment-section .payment-method-btn.active {
    border: 2px solid var(--color-primary-orange);
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--color-primary-orange);
}

.payment-section .payment-method-btn svg {
    width: 20px;
    height: 20px;
}

.payment-section .final-price-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 8px;
}

.payment-section .final-price-display p {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin: 0;
}

.payment-section .pay-now-btn {
    background: var(--color-gradient-orange);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-section .pay-now-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.payment-section .security-assurance {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-medium);
    flex-wrap: wrap;
    text-align: center;
}

.payment-section .security-assurance .icon-check-circle {
    width: 18px;
    height: 18px;
    background-color: #28a745;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.payment-section .security-assurance .icon-check-circle svg {
    width: 12px;
    height: 12px;
    color: white;
}

.payment-section .security-assurance .separator {
    color: var(--color-text-light);
}

/* Responsive adjustments for payment section */
@media (max-width: 768px) {
    .payment-section .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    .payment-section .payment-methods {
        flex-direction: column;
    }
    .payment-section .pay-now-btn {
        width: 100%;
        justify-content: center;
    }
    .payment-section .qr-code-display-area {
        padding: 0 16px; /* Reduce padding for mobile */
    }
    .payment-section .qr-code-placeholder {
        padding: 16px;
    }
    .payment-section .qr-code-container {
        padding: 8px;
    }
    .payment-section .qr-code-container img {
        width: 140px;
        height: 140px;
    }
    .payment-section .qr-code-logo-overlay {
        width: 32px;
        height: 32px;
        transform: translate(-50%, calc(-50% - 10px));  /* Move up 10px from center on mobile */
    }
    .payment-section .qr-code-logo-overlay svg {
        width: 24px;
        height: 24px;
        display: block;
    }
    .payment-section .final-price-display {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    .payment-section .security-assurance {
        flex-direction: column;
        gap: 4px;
    }
    .payment-section .security-assurance .separator {
        display: none;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 90%;
}

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

.modal-header h3 {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin: 0;
    color: var(--color-text-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-h2);
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-ease);
}

.modal-close:hover {
    color: var(--color-text-dark);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.progress-bar {
    flex-grow: 1;
    height: 10px;
    background-color: var(--color-background-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--color-gradient-orange);
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-out;
}

.progress-container #progressPercent {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--color-text-dark);
}

.modal-body #progressStatus {
    font-size: var(--font-size-body);
    color: var(--color-text-medium);
}

/* Notifications */
#notificationContainer {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.notification {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-glass-md);
}

.notification.success {
    border-left: 4px solid #28a745; /* Green for success */
}

.notification.error {
    border-left: 4px solid #dc3545; /* Red for error */
}

/* Utility Classes (adjusting existing ones to new variables) */
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-align-center { display: flex; align-items: center; }
.flex-align-start { display: flex; align-items: flex-start; }
.flex-baseline { display: flex; align-items: baseline; }
.flex-col { display: flex; flex-direction: column; }
.space-x-1 > * + * { margin-left: var(--spacing-xxs); }
.space-x-2 > * + * { margin-left: var(--spacing-xs); }
.space-x-3 > * + * { margin-left: var(--spacing-sm); }
.space-x-4 > * + * { margin-left: var(--spacing-md); }
.space-y-2 > * + * { margin-top: var(--spacing-xs); }
.space-y-3 > * + * { margin-top: var(--spacing-sm); }
.mb-1 { margin-bottom: var(--spacing-xxs); }
.mb-2 { margin-bottom: var(--spacing-xs); }
.mb-3 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.text-lg { font-size: var(--font-size-h3); }
.text-base { font-size: var(--font-size-body); }
.text-sm { font-size: var(--font-size-small); }
.text-xs { font-size: 0.75rem; } /* Keeping this as is for now if not defined in vars */
.text-xl { font-size: var(--font-size-h2); }
.text-2xl { font-size: var(--font-size-h1); }
.text-red-500 { color: #dc3545; } /* Keeping these specific colors for now */
.text-red-600 { color: #dc2626; }
.text-gray-400 { color: var(--color-text-light); }
.text-gray-600 { color: var(--color-text-medium); }
.text-gray-900 { color: var(--color-text-dark); }
.text-orange-600 { color: var(--color-primary-orange); }
.line-through { text-decoration: line-through; }
.h-full { height: 100%; }
.flex-grow { flex-grow: 1; }
.items-end { align-items: flex-end; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: nowrap;
        position: relative;
        min-height: 60px;
    }

    .navbar-brand {
        flex-shrink: 0;
        min-width: fit-content;
    }

    .navbar-brand h1 {
        font-size: var(--font-size-h4);
        white-space: nowrap;
    }

    /* 完全自适应导航栏 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 8px 12px;
    }

    .navbar-brand {
        flex-shrink: 0;
        margin-right: 8px;
    }

    .navbar-nav {
        display: flex !important;
        flex-direction: row;
        flex-wrap: nowrap;
        flex: 1;
        justify-content: center;
        align-items: center;
        gap: 4px;
        margin: 0;
        padding: 0;
        position: static;
        background: none;
        border: none;
        box-shadow: none;
        border-radius: 0;
        overflow: visible;
    }

    /* 自适应导航链接 */
    .navbar-nav .nav-link {
        white-space: nowrap !important;
        writing-mode: horizontal-tb !important;
        font-size: clamp(10px, 2.5vw, 13px);
        padding: 4px clamp(2px, 1.5vw, 8px);
        text-align: center;
        flex: 1;
        max-width: none;
        min-width: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0;
        border-radius: var(--radius-sm);
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .navbar-auth {
        flex-shrink: 0;
        margin-left: 8px;
    }

    /* 移除个人中心的特殊位移 */
    #profileNav {
        transform: none;
    }

    /* 认证按钮调整 */
    .navbar-auth {
        flex-shrink: 0;
        margin-left: var(--spacing-xs);
    }

    .navbar-auth .auth-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 14px;
        white-space: nowrap;
    }

    /* 用户菜单优化 */
    .user-menu {
        position: relative;
    }

    .user-info {
        white-space: nowrap;
    }

    /* 导航栏美化 */
    .navbar {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    }

    /* 导航链接悬停效果优化 */
    .nav-link:hover {
        background-color: rgba(255, 107, 53, 0.1);
        transform: translateY(-1px);
        transition: all 0.2s ease;
    }

    /* Logo区域优化 */
    .navbar-brand svg {
        width: 28px;
        height: 28px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .navbar {
        padding: 6px 8px;
    }

    .navbar-brand {
        margin-right: 4px;
    }

    .navbar-brand h1 {
        font-size: 16px;
    }

    .navbar-brand svg {
        width: 20px;
        height: 20px;
    }

    .navbar-nav {
        gap: 2px;
    }

    .navbar-nav .nav-link {
        font-size: clamp(9px, 2.2vw, 11px);
        padding: 3px clamp(1px, 1vw, 4px);
    }

    .navbar-auth {
        margin-left: 4px;
    }

    .navbar-auth .auth-btn {
        font-size: 10px;
        padding: 3px 6px;
    }
}

/* 极小屏幕优化 */
@media (max-width: 360px) {
    .navbar {
        padding: 4px 6px;
    }

    .navbar-brand h1 {
        font-size: 14px;
    }

    .navbar-nav .nav-link {
        font-size: clamp(8px, 2vw, 10px);
        padding: 2px clamp(1px, 0.8vw, 3px);
    }

    .navbar-auth .auth-btn {
        font-size: 9px;
        padding: 2px 4px;
    }
}

/* 修复原有的hero-section样式 */
@media (max-width: 768px) {
    .hero-section {
        padding: var(--space-xl) 0 var(--space-lg);
        margin-bottom: var(--space-lg);
    }
    .hero-subtitle {
        font-size: 20px;
    }
    .hero-description {
        font-size: 16px;
    }
    .container {
        padding: var(--spacing-lg);
    }
    .card {
        padding: var(--spacing-lg);
    }
    .upload-area {
        padding: var(--spacing-lg);
    }
    #inputText {
        min-height: 180px;
    }
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    #optimizeType, .primary-btn {
        width: 100%;
    }
    .service-card {
        width: 100%;
        min-height: 240px;
        padding: 16px;
    }
    /* 移动端适配 */
    #aiServiceCard .main-service-name {
        font-size: 16px; /* 服务名：18px → 16px */
    }
    #aiServiceCard .current-price {
        font-size: 24px; /* 当前价格：28px → 24px */
    }
    #aiServiceCard .price-display {
        font-size: 18px; /* 总价：20px → 18px */
    }
    #aiServiceCard .feature-list li .feature-title {
        font-size: 14px; /* 特性标题：15px → 14px */
    }
    #aiServiceCard .feature-list li .feature-description {
        font-size: 13px; /* 描述文字：14px → 13px */
    }
    #aiServiceCard .card-header {
        flex-direction: column; /* 服务头部：垂直布局 */
        gap: 8px; /* 间距8px */
        align-items: flex-start;
    }
    #aiServiceCard .feature-list {
        gap: 8px; /* 功能特性间距：12px → 8px */
    }
    .payment-section .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    .payment-section .payment-methods {
        flex-direction: column;
    }
    .payment-section .pay-now-btn {
        width: 100%;
        justify-content: center;
    }
    .payment-section .qr-code-display-area {
        padding: 0 16px; /* Reduce padding for mobile */
    }
    .payment-section .qr-code-placeholder {
        padding: 16px;
    }
    .payment-section .qr-code-container {
        padding: 8px;
    }
    .payment-section .qr-code-container img {
        width: 140px;
        height: 140px;
    }
    .payment-section .qr-code-logo-overlay {
        width: 32px;
        height: 32px;
        transform: translate(-50%, calc(-50% - 10px));  /* Move up 10px from center on mobile */
    }
    .payment-section .qr-code-logo-overlay svg {
        width: 24px;
        height: 24px;
        display: block;
    }
    .payment-section .final-price-display {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    .payment-section .security-assurance {
        flex-direction: column;
        gap: 4px;
    }
    .payment-section .security-assurance .separator {
        display: none;
    }
}
@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(36px, 12vw, 48px);
    }
    .hero-subtitle {
        font-size: 18px;
    }
    .hero-description {
        font-size: 14px;
    }
}

/* Tab Styles */
.tab-container {
    margin-bottom: var(--spacing-md);
}

.tab-buttons {
    display: flex;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.tab-button {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-medium);
    font-size: var(--font-size-body);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.tab-button:hover {
    color: var(--color-primary-orange);
}

.tab-button.active {
    color: var(--color-primary-orange);
    border-color: var(--color-primary-orange);
}

.tab-content {
    position: relative;
    min-height: 250px; /* Ensure consistent height */
}

.tab-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none; /* Disable interaction when hidden */
}

.tab-pane.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
    position: static; /* Take up space when active */
}

/* 联系客服弹窗样式 */
.contact-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.contact-modal-content {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    max-width: 28rem;
    width: 100%;
    margin: 0 1rem;
}

.contact-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
}

.contact-modal-close {
    color: #9CA3AF;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.contact-modal-close:hover {
    color: #4B5563;
}

.contact-modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-modal-section {
    text-align: center;
}

.contact-modal-section.wechat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-modal-section.wechat .section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.contact-modal-section.wechat .section-header svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #059669;
}

.contact-modal-section.wechat .section-header h3 {
    font-size: 1.125rem;
    font-weight: 500;
    color: #111827;
    margin: 0;
}

.contact-modal-qrcode {
    width: 12rem;
    height: 12rem;
    background-color: #F3F4F6;
    border-radius: 0.5rem;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #E5E7EB;
}

.contact-modal-qrcode .qrcode-inner {
    width: 8rem;
    height: 8rem;
    background: linear-gradient(135deg, #34D399 0%, #059669 100%);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.contact-modal-qrcode .qrcode-inner span {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.contact-modal-qrcode .qrcode-tip {
    font-size: 0.75rem;
    color: #6B7280;
}

.contact-modal-section.info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.contact-modal-section.info.time {
    background-color: #EFF6FF;
}

.contact-modal-section.info.email {
    background-color: #F9FAFB;
}

.contact-modal-section.info svg {
    width: 1.25rem;
    height: 1.25rem;
}

.contact-modal-section.info.time svg {
    color: #3B82F6;
}

.contact-modal-section.info.email svg {
    color: #4B5563;
}

.contact-modal-section.info .info-content {
    text-align: left;
}

.contact-modal-section.info .info-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #111827;
    margin: 0;
}

.contact-modal-section.info .info-desc {
    font-size: 0.875rem;
    color: #4B5563;
    margin: 0;
}

.contact-modal-section.info .info-desc.email {
    color: #3B82F6;
}

/* Contact Modal Styles */
.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.contact-modal-content {
    background: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    position: relative;
    width: 90%;
    max-width: 480px;
    margin: 20px;
    padding: 32px;
    border-radius: 16px;
    animation: modalFadeIn 0.3s ease;
}

.contact-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.contact-modal-title {
    font-size: 24px;
    font-weight: 600;
    color: #1D1D1F;
    margin: 0;
}

.contact-modal-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: #86868B;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-modal-close:hover {
    color: #1D1D1F;
}

.contact-modal-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-modal-section {
    padding: 20px;
    background: #F5F5F7;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-modal-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1D1D1F;
    margin: 0;
}

.contact-modal-qrcode {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    background: white;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.qrcode-inner {
    width: 100%;
    height: 100%;
    border: 2px dashed #E5E5E5;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #86868B;
    font-size: 14px;
}

.contact-modal-section.info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
}

.info-content {
    flex: 1;
}

.info-title {
    font-size: 16px;
    font-weight: 600;
    color: #1D1D1F;
    margin: 0 0 4px 0;
}

.info-desc {
    font-size: 14px;
    color: #424245;
    margin: 0;
}

.text-sm {
    font-size: 14px;
}

.text-gray-600 {
    color: #666;
}

@media (max-width: 768px) {
    .contact-modal-content {
        margin: 16px;
        padding: 24px;
    }

    .contact-modal-qrcode {
        width: 160px;
        height: 160px;
    }

    .contact-modal-section {
        padding: 16px;
    }

    .section-header h3 {
        font-size: 16px;
    }

    .info-title {
        font-size: 14px;
    }

    .info-desc {
        font-size: 12px;
    }
}

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

/* 增强的进度显示样式 */
.progress-simple, .progress-detailed {
    text-align: left;
}

.progress-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.progress-bar-visual {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    color: var(--color-primary);
    margin: 0.5rem 0;
    letter-spacing: 1px;
    background: var(--color-background-light);
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

.system-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

/* 移动端进度显示优化 */
@media (max-width: 768px) {
    .progress-bar-visual {
        font-size: 0.8rem;
        letter-spacing: 0.5px;
        padding: 0.4rem;
    }

    .progress-stats {
        flex-direction: column;
        gap: 0.25rem;
    }

    .system-info {
        flex-direction: column;
        gap: 0.25rem;
    }

    .progress-detailed .progress-title {
        font-size: 0.9rem;
        line-height: 1.3;
    }

    /* 移动端性能优化 */
    .optimization-modal {
        backdrop-filter: none !important; /* 减少GPU使用 */
        -webkit-backdrop-filter: none !important;
    }

    /* 低网络环境优化 */
    .progress-bar-visual {
        animation: none; /* 禁用动画以节省资源 */
    }
}