/* 全局样式 */
:root {
    --primary-color: #8b5cf6; /* 紫色主色调 */
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --accent-color: #ec4899; /* 粉色强调色 */
    --accent-light: #f472b6;
    --text-color: #111827;
    --text-light: #374151;
    --light-text: #6b7280;
    --background-color: #f9fafb;
    --light-bg: #ffffff;
    --card-bg: #f3f4f6;
    --input-bg: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 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: 8px;
    --radius-lg: 12px;
    --modal-bg: rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'SF Pro Display', 'SF Pro Icons', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.5rem;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: all 0.2s;
}

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

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
}

section {
    padding: 3rem 0;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

section > p {
    text-align: center;
    color: var(--light-text);
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--light-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo img {
    width: 32px;
    height: 32px;
    margin-right: 0.5rem;
    object-fit: contain;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.login-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Banner样式 */
.banner {
    padding: 2rem 0;
    background: linear-gradient(135deg, #f9fafb, #f0f4ff);
    overflow: hidden;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.banner-text {
    flex: 1;
    max-width: 600px;
}

.banner-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.banner-description {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.banner-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-tag {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    display: inline-block;
    font-weight: 600;
}

.feature-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.feature-badge {
    background-color: var(--light-bg);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    font-size: 0.9rem;
}

.banner-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.banner-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 5px solid white;
}

/* 图像生成器样式 */
.light-theme {
    background-color: var(--background-color);
    color: var(--text-color);
    padding: 2rem 0;
}

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

.generator-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.generator-container {
    background-color: var(--light-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.creative-area {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Tab 切换样式 */
.tab-container {
    width: 100%;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-buttons {
    display: flex;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--light-text);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.tab-btn:hover:not(.active) {
    border-bottom-color: var(--border-color);
    color: var(--text-color);
}

.tab-content {
    display: none;
    padding: 1rem 0;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 文生图面板样式 */
.prompt-container {
    background-color: var(--light-bg);
    border-radius: var(--radius);
    width: 100%;
    transition: all 0.3s ease;
}

.prompt-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

#prompt-input,
#img2img-prompt-input {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: var(--radius);
    font-size: 1rem;
    min-height: 120px;
    resize: none;
    padding: 1rem;
    width: 100%;
    transition: border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

#prompt-input:focus,
#img2img-prompt-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

.prompt-tip {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding-left: 0.5rem;
}

/* 图生图面板样式 */
.image-upload-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.image-upload-area {
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--light-bg);
    box-shadow: var(--shadow-sm);
}

.upload-area-header {
    padding: 0.75rem 1rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.upload-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-label i {
    color: var(--primary-color);
}

.upload-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.image-upload-zone {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    background-color: var(--light-bg);
    transition: all 0.3s ease;
}

.image-upload-zone:hover {
    background-color: rgba(139, 92, 246, 0.05);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--light-text);
    text-align: center;
    padding: 1.5rem;
    width: 100%;
    height: 100%;
}

.image-upload-zone.highlight {
    background-color: rgba(139, 92, 246, 0.1);
    border-color: var(--primary-color);
}

.upload-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.image-upload-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
    opacity: 0;
    pointer-events: none;
}

.upload-placeholder i {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.upload-placeholder p {
    margin: 0;
    font-weight: 500;
    color: var(--text-color);
}

.upload-placeholder span {
    font-size: 0.8rem;
    color: var(--light-text);
}

.reference-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    background-color: var(--card-bg);
    overflow: hidden;
    border-radius: var(--radius);
}

.reference-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
    animation: fadeIn 0.3s ease;
}

.image-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--primary-color);
    text-align: center;
}

.image-loading i {
    font-size: 2rem;
}

.image-loading span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.reference-preview .remove-image {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
    opacity: 0.8;
}

.reference-preview .remove-image:hover {
    background-color: rgba(220, 38, 38, 0.9);
    transform: scale(1.1);
    opacity: 1;
}

.img2img-prompt {
    height: 100%;
    margin: 0;
}

.img2img-prompt textarea {
    height: calc(100% - 2.5rem);
    min-height: 120px;
}

.preset-header {
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.preset-option {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preset-option i {
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.preset-option:hover {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.preset-option span {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
}

/* 选项面板样式 */
.options-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* margin-bottom: 1.5rem; */
}

.options-row {
    display: none;
    gap: 1rem;
    align-items: center;
}

.options-row.active {
    display: flex;
}

.option-group {
    position: relative;
}

/* 纵横比选择器 */
.aspect-ratio-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.aspect-ratio-btn:hover {
    background-color: var(--background-color);
}

.aspect-ratio-btn i:last-child {
    margin-left: 0.5rem;
    font-size: 0.8rem;
    color: var(--light-text);
}

.aspect-ratio-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--light-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    min-width: 150px;
    z-index: 10;
    display: none;
    margin-top: 0.5rem;
    overflow: hidden;
}

.option-group:hover .aspect-ratio-dropdown {
    display: block;
}

.ratio-option {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ratio-option:hover {
    background-color: var(--card-bg);
}

.ratio-option.active {
    background-color: var(--primary-color);
    color: white;
}

.ratio-option.active i {
    color: white;
}

/* 模型版本选择器 */
.model-version {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.model-version:hover {
    background-color: var(--background-color);
}

.model-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--primary-color);
    border-radius: 50%;
    color: white;
}

.model-icon i {
    font-size: 0.8rem;
}

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

.model-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.model-info i {
    font-size: 0.8rem;
    color: var(--light-text);
}

/* 风格选择按钮 */
.style-selector-container {
    position: relative;
}

.style-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.style-btn i:first-child {
    color: var(--primary-color);
}

.style-btn i:last-child {
    margin-left: 0.5rem;
    font-size: 0.8rem;
    color: var(--light-text);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--light-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 800px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.4s ease;
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--light-bg);
    z-index: 2;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.close {
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    color: var(--light-text);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

.modal-body {
    padding: 2rem;
    overflow-y: auto;
}


.style-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.style-card:hover {
    transform: translateY(-3px);
}

.style-img-container {
    position: relative;
    width: 100%;
    height: 80px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.style-card.active .style-img-container {
    border-color: var(--primary-color);
}

.style-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.style-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: var(--card-bg);
    color: var(--light-text);
    font-size: 1.5rem;
}

.style-check {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: scaleIn 0.2s ease;
    z-index: 5;
}

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

.style-card span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    text-align: center;
}

/* 操作按钮区域 */
.action-buttons-container {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-end;
}

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

.upgrade-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.upgrade-btn i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.upgrade-btn:hover {
    background-color: rgba(139, 92, 246, 0.1);
}

.random-btn {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

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

.generate-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.generate-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-btn {
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.download-btn i {
    font-size: 1rem;
}

/* 结果区域样式 */
.result-area {
    margin-top: 2rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    animation: slideDown 0.4s ease-out;
}

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

.result-header {
    background-color: var(--background-color);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.result-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.close-result {
    background: transparent;
    color: var(--light-text);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-result:hover {
    background-color: var(--border-color);
    color: var(--text-color);
}

.result-container {
    background-color: var(--light-bg);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.loading-placeholder {
    color: var(--light-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 1rem;
    text-align: center;
    padding: 2rem;
}

.loading-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
    animation: spin 1.5s linear infinite;
}

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

/* 风格选择弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-bg);
    z-index: 1000;
    overflow-y: auto;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--light-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.4s ease;
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--light-bg);
    z-index: 2;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.close {
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    color: var(--light-text);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

.modal-body {
    padding: 2rem;
    overflow-y: auto;
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

.style-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: var(--radius);
    border: 2px solid transparent;
    background-color: var(--background-color);
    box-shadow: var(--shadow-sm);
}

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

.style-card.active {
    border-color: var(--primary-color);
    background-color: rgba(139, 92, 246, 0.1);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.3);
    transform: translateY(-3px);
}

.style-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: calc(var(--radius) - 2px);
    box-shadow: var(--shadow-sm);
}

.style-card span {
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    color: var(--text-color);
}

/* 灵感区样式 */
.inspiration {
    padding: 4rem 2rem;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s;
    aspect-ratio: 1;
    position: relative;
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.gallery-item img.loaded {
    opacity: 1;
}

.gallery-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f0f0f0;
    z-index: -1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .banner-content {
        flex-direction: column;
        text-align: center;
        padding: 0 1.5rem;
    }
    
    .banner-text {
        max-width: 100%;
    }
    
    .feature-tag {
        display: inline-block;
    }
    
    .feature-badges {
        justify-content: center;
    }
}

@media (max-width: 960px) {
    .image-upload-container {
        grid-template-columns: 1fr;
    }
    
    .generator-container {
        padding: 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .style-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    section {
        padding: 2rem 1rem;
    }
    
    .banner {
        padding: 2rem 1rem;
    }
    
    .banner-title {
        font-size: 2.5rem;
    }
    
    .banner-description {
        font-size: 1.2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .controls-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-buttons {
        width: 100%;
    }
    
    .preset-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .banner-title {
        font-size: 2rem;
    }
    
    .style-grid {
        grid-template-columns: 1fr;
    }
}