/* 全局样式 */
:root {
    /* 颜色系统 - 深色科技主题 */
    --color-primary: #06b6d4;
    --color-secondary: #0e7490;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-dark: #0f172a;
    --color-darker: #020617;
    --color-light: #f1f5f9;
    --color-gray: #64748b;
    --color-gray-dark: #94a3b8;
    --color-gray-light: #cbd5e1;
    --color-white: #ffffff;
    --color-black: #000000;

    /* 阴影系统 */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);

    /* 圆角系统 */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;
    --border-radius-full: 50%;

    /* 间距系统 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 40px;
    --spacing-2xl: 60px;
    --spacing-3xl: 80px;

    /* 字体系统 */
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.5rem;

    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family-base);
    color: var(--color-light);
    line-height: 1.6;
    background-color: var(--color-dark);
    direction: ltr;
}

/* RTL 支持 */
[dir="rtl"] {
    direction: rtl;
}

/* 容器样式 */
.container {
    max-width: 1200px;
}

/* 间距工具类 */
.py-10 {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

.mb-8 {
    margin-bottom: var(--spacing-2xl);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.g-6 {
    gap: var(--spacing-xl);
}

/* 通用工具类 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.rounded-lg {
    border-radius: var(--border-radius-lg);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.transition {
    transition: all var(--transition-normal);
}

/* 标题样式 */
h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

h6 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--color-darker) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm) 0;
    border-bottom: 4px solid var(--color-primary);
}

.navbar-brand {
    font-weight: 700;
    font-size: var(--font-size-2xl);
    color: var(--color-white) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.navbar-nav .nav-link {
    color: var(--color-white) !important;
    font-weight: 500;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.navbar-nav .nav-link:hover {
    color: var(--color-white) !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* 导航栏下拉菜单 */
.navbar-nav .dropdown-menu {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    border: none;
    padding: var(--spacing-xs) 0;
}

.navbar-nav .dropdown-item {
    padding: var(--spacing-xs) var(--spacing-md);
    transition: all var(--transition-fast);
    border-radius: var(--border-radius-sm);
}

.navbar-nav .dropdown-item:hover {
    background-color: var(--color-gray);
}

/* RTL 导航栏支持 */
[dir="rtl"] .navbar-nav {
    margin-left: 0 !important;
    margin-right: auto !important;
}

[dir="rtl"] .navbar-nav .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
}

[dir="rtl"] .dropdown-menu {
    right: 0 !important;
    left: auto !important;
}

/* Hero Section */
.hero-section {
    background-color: var(--color-darker);
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: fadeIn 1s ease-out;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease-out 0.2s both;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    animation: fadeIn 1s ease-out 0.4s both;
}

.hero-highlights {
    margin-top: var(--spacing-lg);
    animation: fadeIn 1s ease-out 0.6s both;
}

.hero-highlight-item {
    font-size: var(--font-size-md);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.hero-highlight-item i {
    font-size: var(--font-size-lg);
    margin-top: 2px;
    flex-shrink: 0;
}

.hero-image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    max-width: 100%;
    height: auto;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

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

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

/* RTL Hero Section */
[dir="rtl"] .hero-title,
[dir="rtl"] .hero-subtitle,
[dir="rtl"] .hero-description {
    text-align: right;
}

/* Upload Section */
.upload-section {
    background-color: #1e293b;
    padding: var(--spacing-3xl) 0;
}

.upload-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.upload-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .upload-steps {
        grid-template-columns: 1fr 1fr;
    }
}

.upload-step {
    background-color: #f8fafc;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.upload-step h2 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.upload-actions {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.ai-analysis-status {
    margin-top: var(--spacing-2xl);
}

.section-heading {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.5);
}

.upload-area {
    border: 3px dashed var(--color-success) !important;
    transition: all var(--transition-normal);
    cursor: pointer;
    background-color: #f8fafc !important;
    border-radius: var(--border-radius-lg) !important;
    padding: var(--spacing-3xl) var(--spacing-md) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    text-align: center;
    position: relative;
    overflow: hidden;
    height: 100%;
    margin-bottom: 0 !important;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-area:hover {
    border-color: #059669 !important;
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

.upload-area:hover::before {
    opacity: 1;
}

.upload-area.dragover {
    border-color: #059669 !important;
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    background-color: rgba(16, 185, 129, 0.1) !important;
}

.preview-container {
    border: 3px dashed var(--color-success) !important;
    transition: all var(--transition-normal);
    background-color: #f8fafc !important;
    border-radius: var(--border-radius-lg) !important;
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-md);
    margin-bottom: 0 !important;
}

.upload-icon {
    margin-bottom: var(--spacing-lg);
    font-size: 3rem;
    color: var(--color-success);
    transition: all var(--transition-normal);
}

.upload-area:hover .upload-icon {
    color: #059669;
    transform: scale(1.1);
}

.upload-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.upload-description {
    color: var(--color-dark);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* 社交分享页面导航标签样式 */
.image-nav-tabs .nav-link {
    color: #4B5563 !important;
    background-color: #FFFFFF !important;
    font-weight: 500;
    border: 1px solid #E5E7EB !important;
    border-radius: var(--border-radius-sm) !important;
    transition: all var(--transition-normal);
}

.image-nav-tabs .nav-link:hover {
    color: #2563EB !important;
    background-color: #EFF6FF !important;
    border-color: #DBEAFE !important;
}

.image-nav-tabs .nav-link.active {
    color: #2563EB !important;
    background-color: #EFF6FF !important;
    font-weight: 600;
    border-color: #2563EB !important;
    border-bottom: 2px solid #2563EB !important;
}

/* RTL Upload Section */
[dir="rtl"] .upload-title,
[dir="rtl"] .upload-description {
    text-align: right;
}

/* 按钮样式 */
.btn {
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm) !important;
    transition: all var(--transition-normal);
    border: none !important;
    font-size: var(--font-size-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
}

.btn-primary {
    background-color: var(--color-success) !important;
    color: var(--color-white) !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
    background-color: #059669 !important;
}

/* 确保按钮中的a标签文字颜色为白色 */
.btn a {
    color: var(--color-white) !important;
    text-decoration: none !important;
}

.btn a:hover {
    color: var(--color-white) !important;
    text-decoration: none !important;
}

/* 手机模式下的按钮布局优化 */
@media (max-width: 767px) {

    .image-controls,
    .suggestions-controls {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 12px !important;
    }

    .image-controls .btn,
    .image-controls .dropdown,
    .suggestions-controls .btn,
    .suggestions-controls .dropdown {
        width: 100% !important;
    }

    .image-controls .btn,
    .suggestions-controls .btn {
        justify-content: center !important;
    }
}

/* Facebook主题色按钮 */
.btn-facebook {
    background-color: #FFFFFF;
    border: 3px solid #1877f2 !important;
    color: #1877f2 !important;
}

.btn-facebook:hover {
    background-color: #166fe5 !important;
    box-shadow: 0 5px 15px rgba(24, 119, 242, 0.4);
    transform: translateY(-2px);
    color: #fff !important;
}

/* Instagram主题色按钮 */
.btn-instagram {
    background-color: #FFFFFF;
    border: 3px solid rgba(253, 29, 29, 0.4) !important;
    color: rgba(253, 29, 29, 0.4) !important;
}

.btn-instagram:hover {
    background: linear-gradient(45deg, #405de6, #5851db, #833ab4, #c13584, #e1306c, #fd1d1d, #f56040, #f77737, #fcaf45, #ffdc80) !important;
    box-shadow: 0 5px 15px rgba(253, 29, 29, 0.4);
    transform: translateY(-2px);
    color: #fff !important;
}

.btn-success {
    background-color: var(--color-success) !important;
    color: var(--color-white) !important;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
    color: var(--color-white) !important;
}

.btn-secondary {
    border: 2px solid var(--color-success) !important;
    background-color: transparent !important;
    color: var(--color-success) !important;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.2);
    background-color: var(--color-success) !important;
    color: var(--color-white) !important;
}

.btn-warning {
    background-color: var(--color-warning) !important;
    color: var(--color-white) !important;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

.btn-danger {
    background-color: var(--color-danger) !important;
    color: var(--color-white) !important;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(239, 68, 68, 0.4);
}

/* 按钮大小变体 */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

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

/* 按钮禁用状态优化 */
.btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

/* 按钮焦点状态 */
.btn:focus {
    outline: 2px solid rgba(102, 126, 234, 0.5);
    outline-offset: 2px;
}

/* RTL 按钮支持 */
[dir="rtl"] .btn {
    gap: var(--spacing-xs);
}

/* 图片预览样式 */
.preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.preview-item {
    position: relative;
    border: 2px solid var(--color-gray);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    width: 200px;
    height: 200px;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.preview-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.preview-item:hover img {
    transform: scale(1.05);
}

.preview-item .remove-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(245, 101, 101, 0.9);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-full);
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
}

.preview-item:hover .remove-btn {
    opacity: 1;
    transform: scale(1);
}

.preview-item .remove-btn:hover {
    background: rgba(245, 101, 101, 1);
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

/* RTL 图片预览支持 */
[dir="rtl"] .preview-item .remove-btn {
    right: auto;
    left: var(--spacing-xs);
}

/* AI分析状态样式 */
.ai-analysis-status {
    animation: fadeIn 0.5s ease;
}

.ai-analysis-status .card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.ai-analysis-status .card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.ai-analysis-status .card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.ai-analysis-status .card-text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
}

/* AI 处理动画 */
.ai-processing {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.ai-processing::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-primary);
    border-top: 2px solid transparent;
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* RTL AI 分析状态支持 */
[dir="rtl"] .ai-analysis-status .card-title,
[dir="rtl"] .ai-analysis-status .card-text {
    text-align: right;
}

[dir="rtl"] .ai-processing {
    flex-direction: row-reverse;
}

/* Features Section */
.features-section {
    background-color: var(--color-darker);
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid rgba(6, 182, 212, 0.1);
}

.col-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    width: 100%;
}

.feature-card {
    width: 100%;
    background-color: var(--color-dark);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

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

.feature-image {
    width: 250px;
    height: 250px;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.feature-content {
    padding: var(--spacing-xl);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

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

/* RTL Features Section */
[dir="rtl"] .feature-title,
[dir="rtl"] .feature-description {
    text-align: right;
}

/* Benefits Section */
.benefits-section {
    background-color: #1e293b;
    padding: var(--spacing-3xl) 0;
    margin-bottom: 0 !important;
}

.benefits-image {
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    max-width: 100%;
    height: auto;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background-color: var(--color-darker);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.benefit-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-primary);
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

.benefit-icon {
    margin-top: 5px;
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(6, 182, 212, 0.1);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.benefit-item:hover .benefit-icon {
    color: var(--color-secondary);
    transform: scale(1.1);
    background-color: rgba(14, 116, 144, 0.1);
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.benefit-description {
    color: var(--color-gray-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* RTL Benefits Section */
[dir="rtl"] .benefit-item {
    flex-direction: row-reverse;
}

[dir="rtl"] .benefit-item::before {
    left: auto;
    right: 0;
}

[dir="rtl"] .benefit-title,
[dir="rtl"] .benefit-description {
    text-align: right;
}

/* CTA Section */
.cta-section {
    background-color: #1e293b;
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 0 !important;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z" fill="%23ffffff" fill-opacity="0.05" fill-rule="evenodd"/%3E%3C/svg%3E');
    opacity: 0.3;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-buttons .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-xl);
    min-width: 200px;
}

/* RTL CTA Section */
[dir="rtl"] .cta-title,
[dir="rtl"] .cta-description {
    text-align: right;
}



/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 页脚样式 */
footer {
    background-color: var(--color-darker) !important;
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(6, 182, 212, 0.2);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z" fill="%23ffffff" fill-opacity="0.05" fill-rule="evenodd"/%3E%3C/svg%3E');
    opacity: 0.3;
}

.footer-brand {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.footer-links {
    position: relative;
    z-index: 1;
}

.footer-links a {
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-primary) !important;
    text-decoration: underline !important;
}

.footer-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    color: var(--color-white);
    text-decoration: none;
}

.social-icon:hover {
    transform: translateY(-3px);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.copyright {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

/* RTL 页脚支持 */
[dir="rtl"] .footer-brand,
[dir="rtl"] .footer-description {
    text-align: right;
}

[dir="rtl"] .social-icons {
    flex-direction: row-reverse;
}

/* 正方形图片容器样式 */
.image-container-square {
    width: 100%;
    padding-bottom: 100%;
    position: relative;
    height: 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.image-container-square img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.image-container-square:hover img {
    transform: scale(1.05);
}

/* 产品图片区域固定高度 */
.product-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.product-image .image-container-square {
    width: 100%;
    max-width: 250px;
    padding-bottom: 250px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.product-image .image-container-square:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

/* 响应式设计 */
/* 大屏设备 (1440px 以上) */
@media (min-width: 1440px) {
    :root {
        --font-size-6xl: 4rem;
        --font-size-5xl: 3.5rem;
        --font-size-4xl: 2.75rem;
        --spacing-3xl: 100px;
        --spacing-2xl: 80px;
    }
}

/* 中等屏幕设备 (992px - 1199px) */
@media (max-width: 992px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    .py-10 {
        padding-top: var(--spacing-2xl);
        padding-bottom: var(--spacing-2xl);
    }

    .feature-image {
        height: 220px;
        width: 220px;
    }
}

/* 平板设备 (768px - 991px) */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    .py-10 {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }

    .preview-item {
        width: 150px;
        height: 150px;
    }

    .feature-image {
        height: 200px;
        width: 200px;
    }

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

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .benefit-item {
        padding: var(--spacing-lg);
    }

    .upload-area {
        padding: var(--spacing-2xl) var(--spacing-sm) !important;
    }
}

/* 移动设备 (576px 以下) */
@media (max-width: 576px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-md);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

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

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

    .benefit-item {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .preview-item {
        width: 120px;
        height: 120px;
    }

    .upload-icon {
        font-size: 2.5rem;
    }

    .upload-title {
        font-size: var(--font-size-xl);
    }

    .feature-content {
        padding: var(--spacing-lg);
    }

    .footer-brand {
        font-size: var(--font-size-2xl);
    }

    .social-icon {
        width: 40px;
        height: 40px;
    }
}

/* 白色背景元素的文本颜色 */
.bg-white,
.card,
.upload-step,
.preview-container,
.upload-area,
.suggestion-card,
.benefit-item,
.feature-card,
.product-card,
.ai-analysis-status .card {
    color: var(--color-dark) !important;
    background-color: #f8fafc !important;
}

/* 确保卡片内的文本颜色正确 */
.bg-white h1,
.bg-white h2,
.bg-white h3,
.bg-white h4,
.bg-white h5,
.bg-white h6,
.bg-white p,
.bg-white li,
.bg-white span,
.bg-white strong,
.bg-white input,
.bg-white textarea,
.bg-white select,
.bg-white a,
.card h1,
.card h2,
.card h3,
.card h4,
.card h5,
.card h6,
.card p,
.card li,
.card span,
.card strong,
.card input,
.card textarea,
.card select,
.card a,
.upload-step h1,
.upload-step h2,
.upload-step h3,
.upload-step h4,
.upload-step h5,
.upload-step h6,
.upload-step p,
.upload-step li,
.upload-step span,
.upload-step strong,
.upload-step input,
.upload-step textarea,
.upload-step select,
.upload-step a,
.preview-container h1,
.preview-container h2,
.preview-container h3,
.preview-container h4,
.preview-container h5,
.preview-container h6,
.preview-container p,
.preview-container li,
.preview-container span,
.preview-container strong,
.preview-container input,
.preview-container textarea,
.preview-container select,
.preview-container a,
.upload-area h1,
.upload-area h2,
.upload-area h3,
.upload-area h4,
.upload-area h5,
.upload-area h6,
.upload-area p,
.upload-area li,
.upload-area span,
.upload-area strong,
.upload-area input,
.upload-area textarea,
.upload-area select,
.upload-area a,
.suggestion-card h1,
.suggestion-card h2,
.suggestion-card h3,
.suggestion-card h4,
.suggestion-card h5,
.suggestion-card h6,
.suggestion-card p,
.suggestion-card li,
.suggestion-card span,
.suggestion-card strong,
.suggestion-card input,
.suggestion-card textarea,
.suggestion-card select,
.suggestion-card a,
.benefit-item h1,
.benefit-item h2,
.benefit-item h3,
.benefit-item h4,
.benefit-item h5,
.benefit-item h6,
.benefit-item p,
.benefit-item li,
.benefit-item span,
.benefit-item strong,
.benefit-item input,
.benefit-item textarea,
.benefit-item select,
.benefit-item a,
.feature-card h1,
.feature-card h2,
.feature-card h3,
.feature-card h4,
.feature-card h5,
.feature-card h6,
.feature-card p,
.feature-card li,
.feature-card span,
.feature-card strong,
.feature-card input,
.feature-card textarea,
.feature-card select,
.feature-card a,
.product-card h1,
.product-card h2,
.product-card h3,
.product-card h4,
.product-card h5,
.product-card h6,
.product-card p,
.product-card li,
.product-card span,
.product-card strong,
.product-card input,
.product-card textarea,
.product-card select,
.product-card a,
.ai-analysis-status .card h1,
.ai-analysis-status .card h2,
.ai-analysis-status .card h3,
.ai-analysis-status .card h4,
.ai-analysis-status .card h5,
.ai-analysis-status .card h6,
.ai-analysis-status .card p,
.ai-analysis-status .card li,
.ai-analysis-status .card span,
.ai-analysis-status .card strong,
.ai-analysis-status .card input,
.ai-analysis-status .card textarea,
.ai-analysis-status .card select,
.ai-analysis-status .card a {
    color: var(--color-dark) !important;
}

/* 链接颜色在白色背景上 */
.bg-white a,
.card a,
.upload-step a,
.preview-container a,
.upload-area a,
.suggestion-card a,
.benefit-item a,
.feature-card a,
.product-card a,
.ai-analysis-status .card a {
    color: var(--color-primary) !important;
}

/* 链接悬停颜色 */
.bg-white a:hover,
.card a:hover,
.upload-step a:hover,
.preview-container a:hover,
.upload-area a:hover,
.suggestion-card a:hover,
.benefit-item a:hover,
.feature-card a:hover,
.product-card a:hover,
.ai-analysis-status .card a:hover {
    color: var(--color-secondary) !important;
}

/* 表单元素文本颜色 */
.form-control,
.form-control::placeholder {
    color: var(--color-white) !important;
}

/* 标签文本颜色 */
.form-label {
    color: var(--color-dark) !important;
}

/* 确保表格在白色背景上显示正确 */
.table {
    color: var(--color-dark) !important;
    background-color: var(--color-white) !important;
}

/* 表格标题和表头 */
.table thead th {
    color: var(--color-dark) !important;
    background-color: var(--color-light) !important;
}

/* 表格行 */
.table tbody tr {
    color: var(--color-dark) !important;
    background-color: var(--color-white) !important;
}

/* 表格链接 */
.table a {
    color: var(--color-primary) !important;
}

/* 通用卡片样式优化 */
.card-header {
    padding: var(--spacing-lg);
    border-bottom: none;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.1"%3E%3Ccircle cx="30" cy="30" r="3"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
    z-index: 0;
}

.card-header * {
    position: relative;
    z-index: 1;
}

.card-title {
    font-weight: 700 !important;
    font-size: var(--font-size-lg) !important;
    margin: 0 !important;
    color: var(--color-white) !important;
}

.card {
    border: none !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    background-color: var(--color-white) !important;
    border-radius: var(--border-radius-lg) !important;
}

.card-body {
    padding: var(--spacing-xl) !important;
    background-color: var(--color-white) !important;
}

/* 产品卡片样式 */
.product-card {
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.product-card .product-image {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
}

.product-card .product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.product-card .product-meta {
    font-size: var(--font-size-sm);
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
}

/* 商品详情页面样式 */
.generated-image-card {
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.generated-image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

.original-image-card {
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    background-color: var(--color-white);
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.original-image-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

/* 商品详情页面标题样式 */
.product-detail-section .h5 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

/* 导航标签样式 */
.nav-tabs .nav-link {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
}

.nav-tabs .nav-link:hover {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-tabs .nav-link.active {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

/* 空状态样式 */
.empty-state {
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-state i {
    font-size: var(--font-size-5xl);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

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

.no-image {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-3xl);
}

.no-image i {
    font-size: var(--font-size-5xl);
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.no-image p {
    color: var(--color-gray-dark);
    font-size: var(--font-size-md);
    margin-bottom: 0;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

.product-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
}

.product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.product-meta {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
}

.product-actions {
    margin-top: auto;
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.product-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* RTL 产品卡片支持 */
[dir="rtl"] .product-name,
[dir="rtl"] .product-meta {
    text-align: right;
}

[dir="rtl"] .product-actions {
    flex-direction: row-reverse;
}

/* 加载动画 */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
    color: var(--color-primary);
}

.spinner-border-sm {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 0.2rem;
}

/* 提示消息样式 */
.alert {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.5s ease;
    background-color: var(--color-darker);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border-left: 4px solid var(--color-warning);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
}

/* 面包屑导航样式 */
.breadcrumb {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs) var(--spacing-xs);
}

.breadcrumb-item a:hover {
    color: var(--color-secondary);
    text-decoration: none;
    background-color: rgba(6, 182, 212, 0.1);
}

.breadcrumb-item.active {
    color: var(--color-dark);
    font-weight: 600;
}

.breadcrumb-item+.breadcrumb-item::before {
    color: var(--color-gray);
    content: ">";
    padding: 0 var(--spacing-xs);
}

/* RTL 面包屑导航 */
[dir="rtl"] .breadcrumb-item+.breadcrumb-item::before {
    content: "<";
}

/* 表单样式 */
.form-control {
    border-radius: var(--border-radius-md);
    border: 2px solid rgba(100, 116, 139, 0.5);
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-white);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(6, 182, 212, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    display: block;
}

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

/* 表单错误状态 */
.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(245, 101, 101, 0.25);
}

.invalid-feedback {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* 表单成功状态 */
.form-control.is-valid {
    border-color: var(--color-success);
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 0.2rem rgba(72, 187, 120, 0.25);
}

.valid-feedback {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* 宣传语样式 */
#suggestionsStatus {
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    min-height: 20px;
    display: flex;
    align-items: center;
    color: var(--color-gray-dark);
}

#suggestionsStatus.success {
    color: var(--color-success);
    font-weight: 500;
}

#suggestionsStatus.error {
    color: var(--color-danger);
    font-weight: 500;
}

#suggestionsStatus.loading {
    color: var(--color-primary);
    font-weight: 500;
}

/* 平滑过渡动画 */
.fade-transition {
    animation: fadeTransition 0.5s ease-in-out;
}

@keyframes fadeTransition {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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

/* 滑动动画 */
.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 按钮禁用状态优化 */
.btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

/* 建议卡片样式优化 */
.suggestion-card {
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    background-color: var(--color-darker);
    padding: var(--spacing-lg);
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.suggestion-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

.suggestion-card .suggestion-title {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.suggestion-card .suggestion-description {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

/* 通用工具类 */
.cursor-pointer {
    cursor: pointer;
}

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

.transition-shadow {
    transition: box-shadow var(--transition-normal);
}

/* 文本工具类 */
.text-primary {
    color: var(--color-primary) !important;
}

.text-secondary {
    color: var(--color-secondary) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-danger {
    color: var(--color-danger) !important;
}

.text-dark {
    color: var(--color-dark) !important;
}

.text-gray {
    color: var(--color-gray-dark) !important;
}

.text-white {
    color: var(--color-white) !important;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.font-weight-semibold {
    font-weight: 600 !important;
}

.font-weight-medium {
    font-weight: 500 !important;
}

/* 背景工具类 */
.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-secondary {
    background-color: var(--color-secondary) !important;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
}

.bg-light {
    background-color: var(--color-light) !important;
}

.bg-white {
    background-color: var(--color-white) !important;
}

/* 间距工具类扩展 */
.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.mb-6 {
    margin-bottom: var(--spacing-2xl);
}

.ml-1 {
    margin-left: var(--spacing-xs);
}

.ml-2 {
    margin-left: var(--spacing-sm);
}

.ml-3 {
    margin-left: var(--spacing-md);
}

.ml-4 {
    margin-left: var(--spacing-lg);
}

.ml-5 {
    margin-left: var(--spacing-xl);
}

.mr-1 {
    margin-right: var(--spacing-xs);
}

.mr-2 {
    margin-right: var(--spacing-sm);
}

.mr-3 {
    margin-right: var(--spacing-md);
}

.mr-4 {
    margin-right: var(--spacing-lg);
}

.mr-5 {
    margin-right: var(--spacing-xl);
}

.p-1 {
    padding: var(--spacing-xs);
}

.p-2 {
    padding: var(--spacing-sm);
}

.p-3 {
    padding: var(--spacing-md);
}

.p-4 {
    padding: var(--spacing-lg);
}

.p-5 {
    padding: var(--spacing-xl);
}

/* RTL 工具类调整 */
[dir="rtl"] .ml-1 {
    margin-left: 0;
    margin-right: var(--spacing-xs);
}

[dir="rtl"] .ml-2 {
    margin-left: 0;
    margin-right: var(--spacing-sm);
}

[dir="rtl"] .ml-3 {
    margin-left: 0;
    margin-right: var(--spacing-md);
}

[dir="rtl"] .ml-4 {
    margin-left: 0;
    margin-right: var(--spacing-lg);
}

[dir="rtl"] .ml-5 {
    margin-left: 0;
    margin-right: var(--spacing-xl);
}

[dir="rtl"] .mr-1 {
    margin-right: 0;
    margin-left: var(--spacing-xs);
}

[dir="rtl"] .mr-2 {
    margin-right: 0;
    margin-left: var(--spacing-sm);
}

[dir="rtl"] .mr-3 {
    margin-right: 0;
    margin-left: var(--spacing-md);
}

[dir="rtl"] .mr-4 {
    margin-right: 0;
    margin-left: var(--spacing-lg);
}

[dir="rtl"] .mr-5 {
    margin-right: 0;
    margin-left: var(--spacing-xl);
}

/* 可访问性增强 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: var(--color-light);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-dark);
}

/* 选中文本样式 */
::selection {
    background-color: rgba(102, 126, 234, 0.2);
    color: var(--color-dark);
}

/* 打印样式 */
@media print {
    * {
        background: transparent !important;
        color: var(--color-black) !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .navbar,
    .footer,
    .btn {
        display: none !important;
    }

    .container {
        max-width: 100%;
    }
}