/* Global Variables */
:root {
    --primary-color: #7e22ce;
    --primary-hover: #9333ea;
    --secondary-color: #3b82f6; 
    --accent-color: #f97316;
    --background-color: #f0f2f5;
    --secondary-bg: #e2e8f0;
    --card-bg: #ffffff;
    --dark-bg: #111827;
    --text-color: #111827;
    --text-light: #4b5563;
    --text-lightest: #9ca3af;
    --border-color: #e5e7eb;
    --border-dark: #d1d5db;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 1rem;
    --font-sans: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.3s ease;
    --section-gradient-1: linear-gradient(135deg, #f5f7fa, #e4e9f2);
    --section-gradient-2: linear-gradient(135deg, #f5f0ff, #e9f4ff);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

button, .btn {
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    border: none;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border-dark);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-bg);
}

.btn-large {
    padding: 0.75rem 1.75rem;
    font-size: 1.1rem;
}

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

.btn-login {
    color: var(--text-color);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    backdrop-filter: blur(5px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
}

nav a:hover {
    color: var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #f0e7ff, #e1effe);
    overflow: hidden;
    border-bottom: 1px solid #d8e1fa;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero h2 {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Create Section */
.create-section {
    padding: 5rem 0;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.create-header {
    text-align: center;
    margin-bottom: 3rem;
}

.create-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.create-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.create-options {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.create-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background-color: #e4e9f2;
    border: 2px solid transparent;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.create-tab.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.create-tab:hover:not(.active) {
    background-color: #e6e6e6;
    border-color: var(--border-dark);
}

.create-content {
    background-color: var(--section-gradient-1);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.input-area {
    flex: 1;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid #d8def0;
}

.input-area textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    background-color: #f9fafb;
    border-radius: var(--radius-md);
    resize: vertical;
    font-family: var(--font-sans);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.input-area textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(126, 34, 206, 0.1);
    background-color: #fff;
}

.style-select {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.style-option {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    background-color: #edf2fa;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.style-option.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.style-option:hover:not(.active) {
    background-color: #e9e9e9;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 水彩风格 */
.style-option:nth-child(1) {
    border-left: 4px solid #48b0f7;
}
.style-option:nth-child(1).active {
    background-color: #48b0f7;
    border-color: #48b0f7;
}

/* 动漫风格 */
.style-option:nth-child(2) {
    border-left: 4px solid #f59e0b;
}
.style-option:nth-child(2).active {
    background-color: #f59e0b;
    border-color: #f59e0b;
}

/* 未来科技 */
.style-option:nth-child(3) {
    border-left: 4px solid #10b981;
}
.style-option:nth-child(3).active {
    background-color: #10b981;
    border-color: #10b981;
}

/* 魔幻奇想 */
.style-option:nth-child(4) {
    border-left: 4px solid #8b5cf6;
}
.style-option:nth-child(4).active {
    background-color: #8b5cf6;
    border-color: #8b5cf6;
}

/* 写实照片 */
.style-option:nth-child(5) {
    border-left: 4px solid #ef4444;
}
.style-option:nth-child(5).active {
    background-color: #ef4444;
    border-color: #ef4444;
}

/* 更多风格 */
.style-option.more {
    border-left: 4px solid #6b7280;
    background-color: #f0f0f0;
}
.style-option.more:hover {
    background-color: #e0e0e0;
    color: #4b5563;
}

.aspect-ratio {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ratio-options {
    display: flex;
    gap: 0.5rem;
}

.ratio-option {
    padding: 0.375rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    background-color: #edf2fa;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.ratio-option.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.ratio-option:hover:not(.active) {
    background-color: #e9e9e9;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.action-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.action-buttons .btn-secondary {
    background-color: #f3f4f6;
    border: 2px solid #d1d5db;
    color: #4b5563;
    font-weight: 500;
}

.action-buttons .btn-secondary:hover {
    background-color: #e5e7eb;
    border-color: #9ca3af;
}

.action-buttons .btn-primary {
    background-color: var(--primary-color);
    border: 2px solid var(--primary-color);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(126, 34, 206, 0.2);
}

.action-buttons .btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -1px rgba(126, 34, 206, 0.25);
}

.preview-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    padding: 30px;
}

.preview-placeholder.error {
    color: var(--color-error, #e53935);
    background-color: var(--color-error-bg, rgba(229, 57, 53, 0.1));
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--color-error-border, rgba(229, 57, 53, 0.3));
}

.preview-placeholder.error .material-symbols-outlined {
    font-size: 48px;
    margin-bottom: 10px;
    color: var(--color-error, #e53935);
}

.preview-placeholder .material-symbols-outlined {
    font-size: 48px;
    margin-bottom: 15px;
}

/* 生成结果和下载按钮样式 */
.result-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.generated-image {
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    margin-top: 1rem;
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 10;
}

.download-btn.initial-hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.download-btn:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-btn .material-symbols-outlined {
    font-size: 1.25rem;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: var(--section-gradient-2);
    border-top: 1px solid #dde5f6;
    border-bottom: 1px solid #dde5f6;
}

.features-section h2, .section-desc {
    text-align: center;
}

.features-section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #e1e8f5;
}

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

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: rgba(126, 34, 206, 0.1);
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.feature-icon .material-symbols-outlined {
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
}

/* Styles Section */
.styles-section {
    padding: 5rem 0;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.styles-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.style-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #e1e8f5;
    overflow: visible;
}

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

.style-image {
    padding: 20px;
    background-color: #fff;
    display: block;
    text-align: center;
}

.style-image img {
    max-width: 100%;
    height: auto;
    display: inline-block;
    vertical-align: middle;
}

.style-info {
    padding: 1.5rem;
    background-color: var(--background-color);
}

.style-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.style-info p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
}

.styles-more {
    text-align: center;
}

/* Gallery Section */
.gallery-section {
    padding: 5rem 0;
    background: var(--section-gradient-1);
    border-top: 1px solid #dde5f6;
    border-bottom: 1px solid #dde5f6;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 1;
}

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

.gallery-item-hover {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-hover {
    opacity: 1;
}

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

.gallery-item-info {
    color: white;
}

.gallery-item-info .prompt {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.gallery-item-info .style {
    font-size: 0.75rem;
    opacity: 0.8;
}

.gallery-more {
    text-align: center;
}

/* Pricing Section */
.pricing-section {
    padding: 5rem 0;
    background-color: var(--background-color);
}

.pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: var(--card-bg);
    border: 1px solid #e1e8f5;
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 350px;
    transition: var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.check {
    color: var(--success-color);
    font-weight: 600;
}

.cross {
    color: var(--text-lightest);
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: var(--section-gradient-2);
    border-top: 1px solid #dde5f6;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    padding: 0 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e1e8f5;
}

.faq-item.active {
    box-shadow: var(--shadow-md);
    border-color: #d8e0f5;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 500;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 0 1.25rem;
    color: var(--text-light);
    display: none;
    border-top: 1px solid #f0f3fa;
}

.faq-item.active .faq-answer {
    display: block;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

/* Updated Footer Styles */
footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    max-width: 300px;
}

.footer-logo .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo h2 {
    font-size: 1.5rem;
    background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
}

.footer-link-group h3 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.footer-link-group ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link-group a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 0.875rem;
}

.footer-link-group a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: var(--transition);
}

.legal-links a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1.25rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: white;
    transform: translateY(-2px);
}

.back-to-top {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.back-to-top:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-logo {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-logo .logo {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .legal-links {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .back-to-top {
        right: 1rem;
        bottom: 1rem;
    }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero h2 {
        font-size: 2.25rem;
    }
    
    .create-content {
        flex-direction: column;
    }
    
    .preview-area {
        width: 100%;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    nav {
        order: 3;
        width: 100%;
        margin-top: 1rem;
    }
    
    nav ul {
        justify-content: space-between;
    }
    
    .hero .container {
        flex-direction: column-reverse;
    }
    
    .hero-content, .hero-image {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .pricing-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .logo {
        margin: 0 auto;
    }
    
    .create-options {
        flex-direction: column;
        align-items: center;
    }
    
    .create-tab {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Controls in Header */
.controls {
    display: flex;
    gap: 1rem;
    margin-right: 1rem;
}

.theme-toggle, .lang-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.theme-toggle:hover, .lang-toggle:hover {
    background-color: var(--secondary-bg);
}

/* Branding Section */
.branding-section {
    padding: 5rem 0;
    background: var(--section-gradient-1);
    border-bottom: 1px solid var(--border-color);
}

.tech-stack {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.tech-item img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.tech-item span {
    font-weight: 500;
    color: var(--text-color);
}

/* Introduce Section */
.introduce-section {
    padding: 5rem 0;
    background: var(--section-gradient-2);
    border-bottom: 1px solid var(--border-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.advantage-icon .material-symbols-outlined {
    font-size: 32px;
}

.advantage-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.advantage-card p {
    color: var(--text-light);
}

/* Modified Create Section */
.input-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.upload-area {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.upload-zone {
    border: 2px dashed var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background-color: rgba(126, 34, 206, 0.05);
}

.upload-zone .material-symbols-outlined {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-zone h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.upload-zone p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.upload-preview {
    position: relative;
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

.upload-preview img {
    width: 100%;
    max-height: 350px;
    object-fit: contain;
    object-position: center;
}

.btn-change {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

.text-input-area {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.text-input-area h3 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.text-validation {
    margin-top: 0.5rem;
    min-height: 20px;
}

.validation-message {
    font-size: 0.875rem;
    color: var(--error-color);
}

.btn-generate {
    width: 100%;
    margin-top: 1rem;
}

.btn-generate:disabled {
    background-color: var(--text-lightest);
    cursor: not-allowed;
}

/* Usage Section */
.usage-section {
    padding: 5rem 0;
    background: var(--section-gradient-1);
    border-bottom: 1px solid var(--border-color);
}

.steps-container {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.step-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    position: absolute;
    top: -20px;
    left: 2rem;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-card h3 {
    margin: 1rem 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.step-card p {
    color: var(--text-light);
}

/* Status Section */
.status-section {
    padding: 5rem 0;
    background: var(--section-gradient-2);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Testimonial Section */
.testimonial-section {
    padding: 5rem 0;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.125rem;
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Create Panel Styles */
.create-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background-color: var(--section-gradient-1);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.create-panel.active {
    display: grid;
}

/* Style Transfer Options */
.style-transfer-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.style-transfer-options .style-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: visible;
}

.style-transfer-options .style-card.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.style-transfer-options .style-card:hover:not(.active) {
    border-color: var(--border-dark);
    transform: translateY(-2px);
}

.style-transfer-options .style-card img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
    margin-bottom: 10px;
}

.style-transfer-options .style-card span {
    font-size: 0.875rem;
    color: var(--text-color);
    display: block;
}

.style-upload {
    margin-bottom: 2rem;
}

/* Upload Zone Styles */
.upload-zone {
    border: 2px dashed var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background-color: rgba(126, 34, 206, 0.05);
}

.upload-zone .material-symbols-outlined {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-zone h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.upload-zone p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.upload-preview {
    position: relative;
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

.upload-preview img {
    width: 100%;
    max-height: 350px;
    object-fit: contain;
    object-position: center;
}

.btn-change {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
    .create-panel {
        grid-template-columns: 1fr;
    }
    
    .style-transfer-options {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* 展示卡片样式 - 用于风格展示部分 */
.showcase-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #e1e8f5;
    display: flex;
    flex-direction: column;
    height: 500px; /* 固定高度 */
}

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

.showcase-image {
    flex: 1;
    padding: 20px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 350px; /* 固定高度 */
}

.showcase-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.showcase-info {
    padding: 1.5rem;
    background-color: var(--background-color);
    border-top: 1px solid #e1e8f5;
}

.showcase-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.showcase-info p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* .gitignore */
node_modules/
.env
.dev.vars
dist/
build/
.DS_Store

/* 根据不同比例设置容器宽高比 */
.aspect-16-9 {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    overflow: hidden;
}

.aspect-16-9 img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 添加全屏查看样式 */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.fullscreen-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.fullscreen-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

/* 提示词输入区域样式 */
.prompt-container {
    margin: 15px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.prompt-container label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
}

.prompt-container textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: inherit;
    resize: vertical;
}

/* 设置占位符文本样式 */
.prompt-container textarea::placeholder {
    color: #7e22ce;
    opacity: 0.7;
    font-style: italic;
    font-weight: 500;
}

/* 更新的功能按钮样式 */
.function-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.function-button {
    padding: 8px 12px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.function-button:hover {
    background-color: #e9e9e9;
    transform: translateY(-2px);
    box-shadow: 0 3px 5px rgba(0,0,0,0.1);
}

.function-button.active {
    background-color: var(--primary-color, #7e22ce);
    color: white;
    border-color: var(--primary-color, #7e22ce);
    transform: translateY(-2px);
    box-shadow: 0 3px 5px rgba(126, 34, 206, 0.3);
}

/* 根据不同功能给按钮添加不同的边框颜色 */
.function-button[data-function="stylization_all"] {
    border-left: 3px solid #8b5cf6;
}

.function-button[data-function="stylization_local"] {
    border-left: 3px solid #6366f1;
}

.function-button[data-function="description_edit"] {
    border-left: 3px solid #ec4899;
}

.function-button[data-function="description_edit_with_mask"] {
    border-left: 3px solid #f43f5e;
}

.function-button[data-function="remove_watermark"] {
    border-left: 3px solid #10b981;
}

.function-button[data-function="expand"] {
    border-left: 3px solid #f59e0b;
}

.function-button[data-function="super_resolution"] {
    border-left: 3px solid #3b82f6;
}

.function-button[data-function="colorization"] {
    border-left: 3px solid #ef4444;
}

.function-button[data-function="sketch_to_image"] {
    border-left: 3px solid #0ea5e9;
}

.function-button[data-function="control_cartoon_feature"] {
    border-left: 3px solid #8b5cf6;
}

/* 风格迁移专用样式 */
.upload-section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    background: #fafafa;
}

.upload-section h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
}

.upload-section h4 {
    margin: 10px 0 5px 0;
    color: #555;
    font-size: 16px;
}

.upload-section p {
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
}

.upload-preview .image-label {
    margin-top: 10px;
    font-size: 12px;
    color: #888;
    text-align: center;
    font-weight: bold;
}

/* 风格强度调节器 */
.style-strength-section {
    margin-bottom: 25px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    background: #f8f9fa;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.slider-container label {
    font-weight: 500;
    color: #333;
    min-width: 80px;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4A90E2;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4A90E2;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.slider-container span {
    font-weight: bold;
    color: #4A90E2;
    min-width: 40px;
    text-align: center;
}

.slider-desc {
    font-size: 12px;
    color: #666;
    margin: 5px 0 0 0;
    line-height: 1.4;
}

/* 预览提示样式 */
.preview-hint {
    font-size: 12px;
    color: #888;
    margin-top: 8px;
    line-height: 1.4;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .upload-section {
        padding: 15px;
        margin-bottom: 20px;
    }
    
    .style-strength-section {
        padding: 15px;
        margin-bottom: 20px;
    }
    
    .slider-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .slider-container label {
        min-width: auto;
    }
    
    .slider-container span {
        min-width: auto;
        text-align: left;
    }
}

/* 文字描述输入区域样式 */
.text-input-container {
    margin-bottom: 15px;
}

.text-input-container textarea {
    width: 100%;
    min-height: 120px;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #fafafa;
}

.text-input-container textarea:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    background: white;
}

.text-input-container textarea::placeholder {
    color: #999;
    line-height: 1.4;
}

.input-hint {
    margin-top: 8px;
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}

/* 风格引导文生图专用样式 */
.style-guided-section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    background: #fafafa;
}

.style-guided-section h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.style-guided-section h3::before {
    content: "🎨";
    font-size: 20px;
}

.upload-section h3:nth-of-type(1)::before {
    content: "🖼️";
}

.upload-section:has(#stylePromptInput) h3::before {
    content: "✏️";
}