/* ==========================================
   AI电商长图生成器 - Apple风格设计系统
   ========================================== */

/* 字体系统 - SF Pro fallback */
:root {
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --font-text: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;

    /* 颜色系统 */
    --color-black: #000000;
    --color-light-gray: #f5f5f7;
    --color-near-black: #1d1d1f;
    --color-white: #ffffff;
    --color-apple-blue: #0071e3;
    --color-link-blue: #0066cc;
    --color-link-dark: #2997ff;

    /* 文本颜色 */
    --text-primary: #1d1d1f;
    --text-secondary: rgba(0, 0, 0, 0.8);
    --text-tertiary: rgba(0, 0, 0, 0.48);
    --text-white: #ffffff;

    /* 阴影 */
    --shadow-card: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;

    /* 圆角 */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 980px;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.47;
    letter-spacing: 0;
    color: var(--text-primary);
    background: var(--color-light-gray);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   导航栏 - Apple Glass效果
   ========================================== */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
}

.nav-content {
    max-width: 980px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.nav-logo {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-white);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 400;
    color: var(--text-white);
    text-decoration: none;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-user {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.nav-logout-btn {
    font-family: var(--font-text);
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-logout-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   Hero Compact - 首屏紧凑品牌条
   ========================================== */
.hero-compact {
    background: var(--color-black);
    padding: 72px 20px 24px;
    text-align: center;
}

.hero-compact-content {
    max-width: 980px;
    margin: 0 auto;
}

.hero-compact-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0;
    color: var(--text-white);
    margin-bottom: 8px;
}

.hero-compact-subtitle {
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* ==========================================
   CTA按钮系统
   ========================================== */

/* Pill Outline - Learn More风格 */
.cta-pill-outline {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.43;
    letter-spacing: 0;
    color: var(--color-link-dark);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--color-link-dark);
    border-radius: var(--radius-xl);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.cta-pill-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Pill Filled - Buy/Shop风格 */
.cta-pill-filled {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.43;
    letter-spacing: 0;
    color: var(--text-white);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.cta-pill-filled:hover {
    background: #0077ed;
}

/* Primary Button */
.cta-primary {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 400;
    line-height: 2.41;
    color: var(--text-white);
    padding: 8px 16px;
    min-width: 120px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
    display: block;
    margin: 32px auto 0;
}

.cta-primary:hover:not(:disabled) {
    background: #0077ed;
}

.cta-primary:disabled {
    opacity: 0.48;
    cursor: not-allowed;
}

/* Secondary Button */
.cta-secondary {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 400;
    line-height: 2.41;
    color: var(--text-white);
    padding: 8px 16px;
    min-width: 120px;
    border-radius: var(--radius-md);
    background: var(--color-near-black);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.cta-secondary:hover {
    background: #2d2d2f;
}

/* ==========================================
   Features Section - 浅灰背景
   ========================================== */
.features-section {
    background: var(--color-light-gray);
    padding: 80px 20px;
}

.section-content {
    max-width: 980px;
    margin: 0 auto;
}

.section-heading {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}

.section-heading.light {
    color: var(--text-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19;
    letter-spacing: 0.231px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-desc {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.29;
    letter-spacing: 0;
    color: var(--text-secondary);
}

/* ==========================================
   Workflow Section - 黑色背景
   ========================================== */
.workflow-section {
    background: var(--color-black);
    padding: 80px 20px;
}

.workflow-steps {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.workflow-step {
    text-align: center;
    flex: 1;
    max-width: 200px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-apple-blue);
    color: var(--text-white);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.step-title {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19;
    color: var(--text-white);
    margin-bottom: 8px;
}

.step-desc {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-white);
    opacity: 0.8;
}

/* ==========================================
   Upload Section - 主功能区
   ========================================== */
.upload-section {
    background: var(--color-light-gray);
    padding: 24px 20px 60px;
    min-height: calc(100vh - 140px);
}

/* 进度指示器 */
.progress-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    gap: 8px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: background 0.3s;
}

.progress-step.active .progress-dot,
.progress-step.completed .progress-dot {
    background: var(--color-apple-blue);
}

.progress-label {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.progress-step.active .progress-label {
    color: var(--color-apple-blue);
    font-weight: 600;
}

.progress-step.completed .progress-label {
    color: var(--text-secondary);
}

.progress-line {
    width: 60px;
    height: 2px;
    background: var(--text-tertiary);
}

/* 步骤内容 */
.step-content {
    display: none;
}

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

/* ==========================================
   方案选择器样式
   ========================================== */
.scheme-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
}

.scheme-label {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
}

.scheme-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.scheme-btn {
    font-family: var(--font-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--text-tertiary);
    background: var(--color-white);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 180px;
}

.scheme-btn:hover {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.05);
}

.scheme-btn.active {
    border-color: var(--color-apple-blue);
    background: var(--color-apple-blue);
}

.scheme-btn .scheme-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.scheme-btn .scheme-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.scheme-btn.active .scheme-name,
.scheme-btn.active .scheme-desc,
.scheme-btn.active .scheme-tip {
    color: var(--text-white);
}

.scheme-btn .scheme-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.scheme-btn .scheme-tip {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 方案详情链接 */
.scheme-detail-link {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-link-blue);
    background: none;
    border: none;
    cursor: pointer;
    margin-top: 16px;
    transition: color 0.2s;
}

.scheme-detail-link:hover {
    color: var(--color-apple-blue);
    text-decoration: underline;
}

/* ==========================================
   方案详情弹窗样式
   ========================================== */
.scheme-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scheme-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.scheme-modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 1200px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-light-gray);
    border: none;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.modal-close-btn:hover {
    background: #e8e8ed;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-align: center;
}

.modal-subtitle {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    margin-bottom: 32px;
}

/* 方案卡片容器 - 竖排 */
.scheme-vertical-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 24px 0 0;
}

/* 方案详情卡片 - 全宽竖排 */
.scheme-detail-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-light-gray);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.scheme-detail-card:hover {
    border-color: var(--color-apple-blue);
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.1);
}

.scheme-detail-card.selected {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.03);
}

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

.scheme-card-icon {
    font-size: 36px;
    line-height: 1;
}

.scheme-card-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.scheme-card-tagline {
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--text-tertiary);
}

/* 指标标签行 */
.scheme-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.scheme-metric-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--color-light-gray);
    padding: 6px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

/* 一句话描述 */
.scheme-one-liner {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

/* 品类风格选择（弹窗内嵌） */
.scheme-category-select {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 16px;
}

.scheme-category-select .category-select-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.scheme-category-select .category-select-grid {
    display: flex;
    gap: 10px;
}

.scheme-category-select .category-select-grid .category-option {
    flex: 1;
    background: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.scheme-category-select .category-select-grid .category-option:hover {
    border-color: var(--color-light-gray);
    background: #fafafa;
}

.scheme-category-select .category-select-grid .category-option.active {
    border-color: var(--color-apple-blue);
    box-shadow: 0 0 0 1px var(--color-apple-blue);
}

.scheme-category-select .category-select-grid .category-option-icon {
    font-size: 20px;
}

.scheme-category-select .category-select-grid .category-option-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.scheme-category-select .category-select-grid .category-option.active .category-option-name {
    color: var(--color-apple-blue);
}

/* 示例区域 */
.scheme-card-example {
    margin-bottom: 16px;
}

.example-placeholder {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-light-gray);
}

.example-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 选择按钮 */
.scheme-select-btn {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
    background: var(--color-apple-blue);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s;
}

.scheme-select-btn:hover {
    background: #0077ed;
}

/* 对比表格区域 */
.scheme-comparison-table {
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.comparison-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-align: center;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    font-family: var(--font-text);
    font-size: 14px;
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.comparison-table th {
    background: var(--color-white);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table tbody tr:hover {
    background: rgba(0, 113, 227, 0.05);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* ==========================================
   用户选择器样式
   ========================================== */
.user-selector {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.user-input-section {
    margin-bottom: 24px;
}

.user-history-panel {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.history-panel-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.new-project-inline {
    display: flex;
    gap: 12px;
    align-items: center;
}

.new-project-inline .form-input {
    flex: 1;
    min-width: 200px;
}

.new-project-inline .cta-primary {
    margin: 0;
    white-space: nowrap;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.new-project-section {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    align-items: center;
}

.new-project-section .form-input {
    flex: 1;
}

.new-project-section .cta-primary {
    white-space: nowrap;
}

.project-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.project-company {
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.project-product {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-date {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.project-thumbnail {
    width: 100%;
    height: 120px;
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-thumbnail-placeholder {
    font-size: 32px;
    color: var(--text-tertiary);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-points {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.project-generations {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 4px 8px;
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.no-data {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 16px;
}

/* 简化版项目卡片样式 */
.project-card-simple {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-card-simple:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: rgba(0, 113, 227, 0.05);
}

.project-card-simple.selected {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.1);
}

.card-simple-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-simple-company {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.card-simple-product {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-simple-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-simple-scheme {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 4px 10px;
    background: var(--color-apple-blue);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 500;
}

.card-simple-date {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.card-simple-count {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==========================================
   公司选择器样式
   ========================================== */
.company-selector {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 600px;
    margin: 0 auto;
}

.company-input-section {
    margin-bottom: 24px;
}

.company-history {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-top: 24px;
}

.history-title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
}

.product-item:hover {
    background: rgba(0, 113, 227, 0.1);
}

.product-item.selected {
    background: var(--color-apple-blue);
    color: var(--text-white);
}

.product-item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-item-name {
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.product-item.selected .product-item-name {
    color: var(--text-white);
}

.product-item-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.product-item.selected .product-item-meta {
    color: rgba(255, 255, 255, 0.8);
}

.product-item-platform {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-light-gray);
}

.product-item.selected .product-item-platform {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

/* 平台选择器 */
.platform-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.platform-label {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
}

.platform-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.platform-btn {
    font-family: var(--font-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 32px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--text-tertiary);
    background: var(--color-white);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 160px;
}

.platform-btn:hover {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.05);
}

.platform-btn.active {
    border-color: var(--color-apple-blue);
    background: var(--color-apple-blue);
}

.platform-btn .platform-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.platform-btn .platform-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.platform-btn.active .platform-name,
.platform-btn.active .platform-desc {
    color: var(--text-white);
}

.platform-btn .platform-desc {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 平台内容区域 */
.platform-upload {
    display: none;
}

.platform-upload.active {
    display: block;
}

.upload-tip {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    margin-bottom: 16px;
}

/* ==========================================
   平台选择 — 品牌色磁贴 (C1)
   ========================================== */
.platform-selector-section {
    margin-bottom: 24px;
}

.platform-selector-section .form-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.platform-label-hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
    margin-left: 8px;
}

/* 平台选择 + 导出格式同行布局 */
.platform-top-row {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-top: 12px;
}
.platform-left {
    flex: 1;
    min-width: 0;
}
.platform-format {
    flex-shrink: 0;
    width: 120px;
    padding-top: 2px;
}
.platform-format .form-label {
    margin-bottom: 8px;
    white-space: nowrap;
}

/* 磁贴行 */
.platform-tile-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.platform-tile-btn {
    background: #fff;
    border: 2px solid #e8e8ed;
    border-radius: 16px;
    padding: 18px 14px 14px;
    cursor: pointer;
    transition: all 0.22s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    user-select: none;
}

/* 品牌色顶条 */
.platform-tile-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    border-radius: 16px 16px 0 0;
    transition: opacity 0.22s ease;
    opacity: 0;
}
.platform-tile-btn[data-platform="xiaohongshu"]::before { background: linear-gradient(90deg, #ff2442, #ff6b81); }
.platform-tile-btn[data-platform="taobao_jd"]::before   { background: linear-gradient(90deg, #ff5000, #ff8c42); }
.platform-tile-btn[data-platform="douyin"]::before      { background: linear-gradient(90deg, #00c6d0, #00e5e5); }
.platform-tile-btn[data-platform="amazon"]::before      { background: linear-gradient(90deg, #ff9900, #ffc266); }

.platform-tile-btn:hover {
    border-color: #c8c8d0;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

.platform-tile-btn.active { border-color: transparent; }
.platform-tile-btn.active::before { opacity: 1; }

.platform-tile-btn[data-platform="xiaohongshu"].active { border-color: #ff2442; background: #fffafa; box-shadow: 0 4px 20px rgba(255,36,66,0.15); }
.platform-tile-btn[data-platform="taobao_jd"].active   { border-color: #ff5000; background: #fffcf8; box-shadow: 0 4px 20px rgba(255,80,0,0.15); }
.platform-tile-btn[data-platform="douyin"].active      { border-color: #00a6ac; background: #f8fffe; box-shadow: 0 4px 20px rgba(0,166,172,0.15); }
.platform-tile-btn[data-platform="amazon"].active      { border-color: #ff9900; background: #fffdf8; box-shadow: 0 4px 20px rgba(255,153,0,0.15); }

.tile-icon { font-size: 34px; display: block; margin-bottom: 6px; }
.tile-name { font-size: 14px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; display: block; }
.tile-hint { font-size: 11px; color: #999; display: block; }

/* 描述面板 */
.platform-tile-detail {
    margin-top: 16px;
    padding: 18px 22px;
    border-radius: 14px;
    background: #fafafa;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.3s ease;
}
.platform-tile-detail.xiaohongshu { background: #fff5f6; border-left: 4px solid #ff2442; }
.platform-tile-detail.taobao_jd   { background: #fff7f0; border-left: 4px solid #ff5000; }
.platform-tile-detail.douyin      { background: #f5fafa; border-left: 4px solid #00a6ac; }
.platform-tile-detail.amazon      { background: #fffaf2; border-left: 4px solid #ff9900; }

.platform-tile-detail .detail-icon { font-size: 28px; flex-shrink: 0; }
.platform-tile-detail .detail-info { flex: 1; }
.platform-tile-detail .detail-name { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.platform-tile-detail .detail-desc { font-size: 12px; color: #888; line-height: 1.5; }
.platform-tile-detail .detail-ratio {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    flex-shrink: 0;
}
.platform-tile-detail .detail-ratio.xiaohongshu { background: #ffe0e5; color: #cc1d36; }
.platform-tile-detail .detail-ratio.taobao_jd   { background: #ffe4d6; color: #cc4000; }
.platform-tile-detail .detail-ratio.douyin      { background: #d6f5f6; color: #007a80; }
.platform-tile-detail .detail-ratio.amazon      { background: #ffeacc; color: #b37400; }

/* 响应式：窄屏变 2×2 */
@media (max-width: 650px) {
    .platform-tile-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .platform-tile-row {
        gap: 8px;
    }
    .platform-top-row {
        flex-direction: column;
        gap: 16px;
    }
    .platform-format {
        width: 100%;
    }
}

/* 亚马逊专用上传网格 */
.upload-grid-four {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.upload-grid-two {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.upload-card-small {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.upload-card-small .upload-card-header {
    margin-bottom: 12px;
}

.upload-card-small .card-label {
    font-size: 14px;
}

.upload-card-small .upload-area {
    min-height: 120px;
    padding: 24px;
}

.upload-card-small .upload-preview img {
    height: 120px;
}

.upload-card-small .upload-icon-large {
    font-size: 32px;
    margin-bottom: 12px;
}

.upload-card-small .upload-icon-small {
    font-size: 24px;
}

.upload-card-small .upload-text-main {
    font-size: 14px;
}

.upload-card-small .upload-text-sub {
    font-size: 12px;
}

/* 亚马逊产品图片编号 */
.product-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-apple-blue);
    color: var(--text-white);
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 600;
    margin-right: 6px;
}

/* 上传网格 */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

/* 多图上传网格 */
.upload-grid.multi-upload {
    grid-template-columns: 1fr;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.multi-header {
    margin-bottom: 16px;
}

/* 上传区域卡片（统一样式） */
.upload-section-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

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

.multi-image-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.multi-image-item {
    position: relative;
    width: 150px;
    height: 150px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light-gray);
    border: 2px solid var(--color-border);
}

/* 文档网格样式 */
.multi-doc-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.multi-doc-item {
    position: relative;
    width: 150px;
    height: 100px;
    border-radius: var(--radius-lg);
    background: var(--color-light-gray);
    border: 2px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.multi-doc-item .doc-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.multi-doc-item .doc-name {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    word-break: break-all;
    max-width: 130px;
}

.multi-doc-item .remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.multi-doc-item .remove-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.multi-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.multi-image-item .remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.multi-image-item .remove-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.upload-add-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-add-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    border-radius: var(--radius-lg);
    background: var(--color-light-gray);
    border: 2px dashed var(--color-border);
    cursor: pointer;
    transition: all 0.2s;
}

.upload-add-area:hover {
    background: var(--color-white);
    border-color: var(--color-apple-blue);
}

.upload-add-icon {
    font-size: 36px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.upload-add-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.upload-add-count {
    font-size: 12px;
    color: var(--text-tertiary);
}

.upload-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.upload-card-full {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 20px;
}

.upload-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.card-label {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-badge {
    font-family: var(--font-text);
    font-size: 10px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.card-badge.required {
    background: var(--color-apple-blue);
    color: var(--text-white);
}

.card-badge.optional {
    background: var(--text-tertiary);
    color: var(--text-white);
}

.card-hint {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* 上传区域 */
.upload-area {
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover {
    background: #e8e8ed;
}

.upload-placeholder {
    text-align: center;
}

.upload-placeholder.horizontal {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
}

.upload-icon-large {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-icon-small {
    font-size: 32px;
}

.upload-text-main {
    font-family: var(--font-text);
    font-size: 17px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.upload-text-sub {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

.upload-text-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* 图片预览 */
.upload-preview {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.upload-preview img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-white);
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.preview-remove:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* 文档信息 */
.doc-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.doc-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.doc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
}

.doc-icon {
    font-size: 24px;
}

.doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.doc-remove-single {
    font-size: 18px;
    color: var(--text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.doc-remove-single:hover {
    background: rgba(0, 0, 0, 0.1);
}

.doc-remove-all {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-link-blue);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    align-self: flex-end;
}

/* ==========================================
   表单样式
   ========================================== */
.form-container {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group.half {
    flex: 1;
}

.form-group-inline {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.form-label {
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 400;
    color: var(--text-primary);
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    outline: none;
    transition: box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    box-shadow: 0 0 0 2px var(--color-apple-blue);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* 产品名称区域 - 突出显示 */
.product-name-section {
    margin-bottom: 24px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #F5F7FA, #FFFFFF);
    border: 2px solid #007AFF;
    border-radius: 12px;
    position: relative;
}
.product-name-section .form-label {
    font-size: 17px;
    font-weight: 700;
    color: #1D1D1F;
    margin-bottom: 8px;
}
.product-name-section .form-label::after {
    content: ' *';
    color: #FF3B30;
}
.product-name-section .form-input {
    font-size: 18px;
    padding: 14px 16px;
    background: #FFFFFF;
    border: 1px solid #D2D2D7;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.product-name-section .form-input:focus {
    border-color: #007AFF;
    box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}
.product-name-section .form-hint {
    font-size: 13px;
    color: #86868B;
    margin-top: 6px;
}

/* 品牌名称输入区域 */
.brand-name-group {
    margin-top: 24px;
}

.brand-name-group .form-label {
    display: flex;
    align-items: center;
    gap: 12px;
}

.required-badge {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
}

.brand-name-inputs {
    display: flex;
    gap: 20px;
    margin-top: 12px;
}

.brand-name-inputs .input-group {
    flex: 1;
}

.input-sub-label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
}

.output-count-display {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.output-count-display span {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    color: var(--color-apple-blue);
}

.count-tip {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.form-actions .cta-primary,
.form-actions .cta-secondary {
    margin: 0;
    min-width: 140px;
}

/* ==========================================
   生成进度
   ========================================== */
.generating-container {
    text-align: center;
    padding: 64px 0;
}

.generating-icon {
    margin-bottom: 24px;
}

.spinner {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 3px solid var(--text-tertiary);
    border-top-color: var(--color-apple-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 分析文档加载指示器 */
.analysis-loading {
    padding: 80px 20px;
    text-align: center;
}
.analysis-loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 24px;
    border: 3px solid #e8e8e8;
    border-top-color: #0071e3;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.analysis-loading-title {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0 0 12px;
}
.analysis-loading-sub {
    font-size: 14px;
    color: #86868b;
    margin: 0 0 8px;
}
.analysis-loading-hint {
    font-size: 13px;
    color: #aeaeb2;
    margin: 0;
}

.generating-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.14;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.generating-desc {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.generating-progress {
    max-width: 400px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.progress-bar-apple {
    flex: 1;
    height: 4px;
    background: var(--text-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-apple-blue);
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.generating-time {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ==========================================
   结果展示 - Tab 切换
   ========================================== */
.result-tabs {
    display: flex;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 20px;
    padding: 4px;
    background: #f5f5f7;
    border-radius: 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}
.result-tab {
    flex: 0 1 auto;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: #86868b;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    white-space: nowrap;
}
.result-tab:hover {
    color: #1d1d1f;
    background: rgba(0,0,0,0.04);
}
.result-tab.active {
    background: #ffffff;
    color: #1d1d1f;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    font-weight: 600;
}
.result-tab .tab-status {
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 10px;
    font-weight: 500;
}
.result-tab .tab-status.done {
    background: #E8F8E8;
    color: #34C759;
}
.result-tab .tab-status.pending {
    background: #E8F0FE;
    color: #007AFF;
    animation: tab-pulse 1.5s ease-in-out infinite;
}
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.status-dot-green {
    background: #34C759;
    box-shadow: 0 0 4px rgba(52,199,89,0.4);
}
.status-dot-red {
    background: #FF3B30;
    animation: tab-pulse 1s ease-in-out infinite;
}
@keyframes tab-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ==========================================
   结果展示
   ========================================== */
.result-container {
    text-align: center;
}

.result-title {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 600;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.result-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.result-gallery img.result-img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.result-gallery img.result-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-card);
}

.result-gallery img.result-img.selected {
    border: 3px solid var(--color-apple-blue);
    box-shadow: var(--shadow-card);
}

/* 长图标记样式 */
.result-gallery img.result-img.long-image {
    opacity: 0.5;
    border: 2px dashed #ff6b6b;
    position: relative;
}

.result-gallery img.result-img.long-image::before {
    content: '长图';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 107, 107, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.result-tip {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    margin-bottom: 16px;
}

/* 方案三单图样式 */
.result-img-plan3 {
    max-width: 100%;
    max-height: 600px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    display: block;
    margin: 0 auto;
}

/* 拼接预览区域 */
.stitch-preview {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 24px;
}

.preview-title {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.stitch-canvas {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.stitch-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px;
}

.stitch-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--color-apple-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.stitch-loading .loading-text {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    margin: 20px 0 16px;
}

.stitch-loading .progress-bar-apple {
    width: 200px;
}

.stitch-loading .progress-text {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 8px;
}

.preview-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

/* 图片选中状态标记 */
.result-gallery img::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-apple-blue);
    opacity: 0;
    transition: opacity 0.2s;
}

.result-gallery img.selected::after {
    opacity: 1;
}

.result-info {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    text-align: left;
}

.result-info p {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.result-info strong {
    color: var(--text-primary);
}

.result-actions {
    padding: 20px;
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-top: 20px;
}
.result-actions-main {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.regenerate-prompt-details {
    margin-top: 12px;
    padding: 8px 10px;
    background: #F9F9FB;
    border-radius: 8px;
}
.regenerate-prompt-text {
    margin: 8px 0 0;
    padding: 10px;
    background: #FFFFFF;
    border: 1px solid #E8E8ED;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.regenerate-info-text {
    margin: 4px 0 0;
    font-size: 13px;
    color: #555;
    line-height: 1.5;
    padding: 8px 10px;
    background: #F0F6FF;
    border-radius: 6px;
}
.result-actions .cta-primary,
.result-actions .cta-secondary {
    margin: 0;
    min-width: 120px;
    white-space: nowrap;
}

/* ==========================================
   Plan4 - 方案四分组展示
   ========================================== */
.plan4-scheme-group {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-card);
}

.plan4-scheme-group:last-child {
    margin-bottom: 0;
}

.plan4-images-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.plan4-images-row .result-img-wrapper {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #f5f5f7;
}

.plan4-images-row .result-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.plan4-images-row .result-img.selected {
    opacity: 1;
    outline: 3px solid #007AFF;
    outline-offset: -3px;
}

.plan4-images-row .plan4-focus-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 8px;
    font-size: 11px;
    text-align: center;
    border-radius: 0 0 8px 8px;
    backdrop-filter: blur(4px);
}

.plan4-retry-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
    z-index: 5;
    line-height: 1;
}

.result-img-wrapper:hover .plan4-retry-btn {
    opacity: 1;
}

.plan4-retry-btn:hover {
    background: rgba(0, 122, 255, 0.8);
}

.plan4-retry-btn:disabled {
    opacity: 0.8;
    cursor: wait;
}

/* ============================================
   结果页：状态标记 + Hover重绘
   ============================================ */
.result-img-wrapper {
    position: relative;
    display: inline-block;
    overflow: hidden;
}

.img-status-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 5;
    font-size: 18px;
    line-height: 1;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.status-processing {
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.result-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 4;
    border-radius: 6px;
}

.result-img-wrapper:hover .result-img-overlay {
    opacity: 1;
}

.img-regenerate-btn {
    font-family: var(--font-text);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    background: rgba(255,255,255,0.95);
    color: #1d1d1f;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.img-regenerate-btn:hover {
    background: #fff;
    transform: scale(1.05);
}

.result-img-label {
    font-size: 12px;
    color: #666;
    padding: 6px 8px 4px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.img-order-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    background: #007AFF;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.15s;
    user-select: none;
}
.img-order-badge:hover {
    transform: scale(1.15);
}
.img-edit-btn {
    display: block;
    width: 100%;
    padding: 5px 0;
    border: none;
    background: #F5F5F7;
    color: #007AFF;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 0 0 6px 6px;
    transition: background 0.2s;
}
.img-edit-btn:hover {
    background: #E8F0FE;
}

/* ============================================
   单图重绘弹窗 — 全新设计
   ============================================ */
@keyframes regenFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes regenScaleIn {
    from { opacity: 0; transform: scale(0.92) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes regenScaleOut {
    from { opacity: 1; transform: scale(1) translateY(0); }
    to { opacity: 0; transform: scale(0.96) translateY(8px); }
}
@keyframes regenSpin {
    to { transform: rotate(360deg); }
}

.regenerate-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: regenFadeIn 0.2s ease-out;
}

.regenerate-modal {
    background: #fff;
    border-radius: 20px;
    width: 92%;
    max-width: 560px;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    opacity: 0;
    transform: scale(0.92) translateY(10px);
    transition: opacity 0.25s ease-out, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.regenerate-modal.regen-modal-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}
.regenerate-modal.regen-modal-closing {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
    transition: opacity 0.15s ease-in, transform 0.15s ease-in;
}
/* 滚动条美化 */
.regenerate-modal::-webkit-scrollbar {
    width: 4px;
}
.regenerate-modal::-webkit-scrollbar-track {
    background: transparent;
}
.regenerate-modal::-webkit-scrollbar-thumb {
    background: #d0d0d0;
    border-radius: 4px;
}

/* ---- 头部 ---- */
.regenerate-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px 14px;
    border-bottom: 1px solid #f0f0f0;
    position: sticky;
    top: 0;
    background: #fff;
    border-radius: 20px 20px 0 0;
    z-index: 1;
}
.regenerate-modal-header-left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}
.regen-thumb-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: #f5f5f7;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
}
.regen-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.regen-header-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.regen-modal-title {
    margin: 0;
    font-size: 17px;
    font-weight: 650;
    color: #1d1d1f;
    letter-spacing: 0;
}
.regen-header-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.regen-section-name {
    font-size: 13px;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.regenerate-modal-scene-badge {
    font-size: 11px;
    font-weight: 600;
    color: #007aff;
    background: #e8f2ff;
    padding: 2px 10px;
    border-radius: 5px;
    white-space: nowrap;
}

.regenerate-close-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: #f2f2f2;
    color: #666;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.18s, transform 0.15s;
}
.regenerate-close-btn:hover {
    background: #e0e0e0;
    transform: rotate(90deg);
}

/* ---- 主体 ---- */
.regenerate-modal-body {
    padding: 16px 24px 8px;
}

/* ---- 完整提示词展示 ---- */
.regen-prompt-section {
    margin-bottom: 16px;
}
.regen-section-label {
    font-size: 12px;
    font-weight: 600;
    color: #86868b;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}
.regen-prompt-block {
    background: #f8f8fa;
    border: 1px solid #eaeaea;
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.7;
    color: #333;
    max-height: 140px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: border-color 0.2s;
}
.regen-prompt-block:hover {
    border-color: #d0d0d0;
}
.regen-prompt-block::-webkit-scrollbar {
    width: 3px;
}
.regen-prompt-block::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

/* ---- AI润色区域 ---- */
.regen-ai-section {
    background: linear-gradient(135deg, #f5f0ff 0%, #f0f4ff 100%);
    border: 1px solid #e0d8f0;
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 16px;
}
.regen-ai-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.regen-ai-section-header .regen-section-label {
    margin-bottom: 0;
    color: #5e3c9e;
    font-weight: 650;
}
.regen-ai-badge {
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #7c3aed, #3b82f6);
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.3px;
}
.regen-ai-textarea {
    width: 100%;
    min-height: 56px;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    box-sizing: border-box;
    line-height: 1.5;
    color: #333;
}
.regen-ai-textarea:focus {
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}
.regen-ai-textarea::placeholder {
    color: #aaa;
}
.regen-ai-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}
.regen-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    color: #fff;
    transition: opacity 0.2s, transform 0.15s;
    user-select: none;
}
.regen-ai-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.regen-ai-btn:active {
    transform: translateY(0);
    opacity: 0.8;
}
.regen-ai-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
.regen-ai-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: regenSpin 0.6s linear infinite;
    display: inline-block;
}
.regen-ai-result-msg {
    font-size: 12px;
    color: #5e3c9e;
    margin-top: 8px;
    padding: 6px 10px;
    background: rgba(124, 58, 237, 0.08);
    border-radius: 6px;
    display: none;
}
.regen-ai-result-msg.show {
    display: block;
}

/* ---- 编辑字段卡片 ---- */
.regen-section-label + .regen-fields {
    margin-top: 0;
}
.regen-fields {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}
.regen-field-card {
    border: 1px solid #eaeaea;
    border-radius: 14px;
    padding: 14px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}
.regen-field-card:focus-within {
    border-color: #007aff;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}
.regen-field-card-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}
.regen-field-icon {
    font-size: 16px;
    line-height: 1.3;
    flex-shrink: 0;
    margin-top: 1px;
}
.regen-field-title-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.regen-field-label {
    font-size: 13px;
    font-weight: 650;
    color: #1d1d1f;
    margin: 0;
    line-height: 1.3;
}
.regen-field-hint {
    font-size: 11px;
    color: #999;
    line-height: 1.3;
}
.regen-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e8e8ed;
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    background: #fafafa;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    line-height: 1.5;
    color: #333;
    min-height: 44px;
}
.regen-textarea:focus {
    border-color: #007aff;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.08);
}
.regen-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e8e8ed;
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    background: #fafafa;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    color: #333;
}
.regen-input:focus {
    border-color: #007aff;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.08);
}
.regen-field-card-readonly {
    background: #fafafa;
    border-style: dashed;
}
.regen-readonly-text {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: #666;
    padding: 0 0 0 26px;
}

/* ---- 底部 ---- */
.regenerate-modal-footer {
    display: flex;
    gap: 10px;
    padding: 12px 24px 20px;
    justify-content: flex-end;
}
.regenerate-modal-footer .cta-secondary,
.regenerate-modal-footer .cta-primary {
    min-width: 80px;
    text-align: center;
    padding: 9px 22px;
    font-size: 14px;
    border-radius: 10px;
    font-weight: 600;
}
.regenerate-modal-footer .cta-secondary {
    background: #f2f2f2;
    color: #333;
    border: 1px solid #e0e0e0;
}
.regenerate-modal-footer .cta-secondary:hover {
    background: #e8e8e8;
}
.regenerate-modal-footer .cta-primary {
    background: #007aff;
    color: #fff;
    border: none;
}
.regenerate-modal-footer .cta-primary:hover {
    background: #0066d6;
}

/* ---- 预览区域 ---- */
.regenerate-preview-area {
    margin-top: 12px;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 10px;
    display: none;
}
.regenerate-preview-area label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #666;
    margin-bottom: 8px;
}
.regen-preview-img {
    max-width: 100%;
    border-radius: 8px;
    display: block;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 倒回工作台按钮 */
.back-to-workbench-btn {
    font-size: 13px;
    padding: 8px 14px;
    white-space: nowrap;
}

.back-to-workbench-btn:hover {
    background: #2d2d2f;
}

/* ==========================================
   Footer
   ========================================== */
.footer-section {
    background: var(--color-black);
    padding: 32px 20px;
    text-align: center;
}

.footer-text {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 400;
    color: var(--text-white);
    opacity: 0.8;
    margin-bottom: 4px;
}

.footer-subtext {
    font-family: var(--font-text);
    font-size: 10px;
    color: var(--text-white);
    opacity: 0.48;
}

/* ==========================================
   响应式
   ========================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .upload-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .upload-grid-four {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .section-heading {
        font-size: 28px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .upload-grid {
        grid-template-columns: 1fr;
    }

    .upload-grid-four {
        grid-template-columns: repeat(2, 1fr);
    }

    .upload-grid-two {
        grid-template-columns: 1fr;
    }

    .platform-selector {
        gap: 12px;
    }

    .platform-buttons {
        flex-direction: column;
        width: 100%;
    }

    .platform-btn {
        width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 12px;
        padding: 16px 24px;
    }

    .platform-btn .platform-icon {
        margin-bottom: 0;
    }

    .workflow-steps {
        flex-direction: column;
        gap: 32px;
    }

    .workflow-step {
        max-width: 100%;
    }

    .form-group-inline {
        flex-direction: column;
    }

    .nav-links {
        display: none;
    }

    .progress-indicator {
        flex-wrap: wrap;
    }

    .progress-line {
        width: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .cta-pill-outline,
    .cta-pill-filled {
        width: 100%;
        text-align: center;
    }

    .form-actions,
    .result-actions {
        flex-direction: column;
    }

    .form-actions .cta-primary,
    .form-actions .cta-secondary,
    .result-actions .cta-primary,
    .result-actions .cta-secondary {
        width: 100%;
    }

    /* 方案详情弹窗响应式 */
    .scheme-cards-container {
        grid-template-columns: 1fr;
    }

    .scheme-modal-content {
        padding: 20px;
    }

    .modal-title {
        font-size: 21px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 12px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .scheme-cards-container {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 12px;
    }
}

@media (max-width: 1024px) {
    .scheme-cards-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .scheme-cards-container .scheme-detail-card:last-child {
        grid-column: span 2;
    }
}

/* ==========================================
   用户登录页面样式
   ========================================== */
.start-actions {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.start-actions .cta-primary,
.start-actions .cta-secondary {
    flex: 1;
    text-align: center;
    text-decoration: none;
}

.material-library-tip {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 113, 227, 0.1);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-top: 24px;
}

.tip-icon {
    font-size: 20px;
}

.tip-text {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================
   素材库面板样式 - 层级化设计
   ========================================== */
.material-library-panel {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 0;
    margin-top: 24px;
    overflow: hidden;
}

.library-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-near-black);
}

.library-title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-white);
}

.close-library-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 18px;
    color: var(--text-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.close-library-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 面包屑导航 */
.library-breadcrumb {
    padding: 12px 20px;
    background: var(--color-light-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.breadcrumb-item {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--color-apple-blue);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
    cursor: default;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: var(--text-tertiary);
}

/* 素材库内容区域 */
.library-content {
    padding: 20px;
    min-height: 200px;
}

/* 第一层：公司文件夹 */
.company-folders {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.company-folder-card {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.company-folder-card:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.folder-icon {
    font-size: 32px;
}

.folder-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.folder-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.folder-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 第二层：产品列表 */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-item-card {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
}

.product-item-card:hover {
    background: rgba(0, 0, 0, 0.1);
}

.product-item-icon {
    font-size: 24px;
    margin-right: 12px;
}

.product-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-item-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.product-item-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.product-item-arrow {
    font-size: 20px;
    color: var(--text-tertiary);
}

/* 第三层：产品详情 */
.product-detail {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.detail-section {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 20px;
}

.detail-section-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.detail-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.detail-label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

.detail-value {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    font-weight: 600;
}

.detail-points-list {
    list-style: none;
    padding: 0;
}

.detail-points-list li {
    font-family: var(--font-text);
    font-size: 15px;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.detail-points-list li:last-child {
    border-bottom: none;
}

.detail-points-list .no-points {
    color: var(--text-tertiary);
}

.detail-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.detail-image-thumb {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-white);
}

.detail-image-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-images {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* 生成历史记录 */
.generation-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.generation-record {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
}

.record-date {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
}

.record-scheme {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 4px 8px;
    background: var(--color-apple-blue);
    color: var(--text-white);
    border-radius: var(--radius-sm);
}

.record-status {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--color-apple-blue);
}

.no-generation {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* 素材库底部操作区 */
.library-actions {
    padding: 16px 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--color-light-gray);
}

.library-actions .cta-primary {
    margin: 0;
    width: 100%;
}

.close-history-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-light-gray);
    border: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.close-history-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ==========================================
   保存的文档库样式 - Apple风格
   ========================================== */
.saved-docs-section {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 16px;
}

.saved-docs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.saved-docs-title {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.saved-docs-count {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.saved-docs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.saved-doc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.saved-doc-item:hover {
    background: rgba(0, 113, 227, 0.05);
}

.saved-doc-icon {
    font-size: 20px;
}

.saved-doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.saved-doc-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.saved-doc-actions {
    display: flex;
    gap: 8px;
}

.doc-download-btn,
.doc-delete-btn {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s;
}

.doc-download-btn {
    background: var(--color-apple-blue);
    color: var(--text-white);
    border: none;
}

.doc-download-btn:hover {
    background: #0077ed;
}

.doc-delete-btn {
    background: transparent;
    color: var(--color-link-blue);
    border: 1px solid var(--color-link-blue);
}

.doc-delete-btn:hover {
    background: rgba(0, 102, 204, 0.1);
}

/* 产品详情弹窗 */
.product-detail-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    align-items: center;
    justify-content: center;
}

.product-detail-modal.active {
    display: flex;
}

.product-detail-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.product-detail-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.product-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.product-detail-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.14;
    color: var(--text-primary);
}

.product-detail-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-light-gray);
    border: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.product-detail-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

.product-detail-section {
    margin-bottom: 24px;
}

.product-detail-section-title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.product-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.product-image-thumb {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--color-light-gray);
}

.product-image-placeholder {
    width: 100%;
    height: 150px;
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-tertiary);
}

.product-selling-points {
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 16px;
}

.product-point-item {
    font-family: var(--font-text);
    font-size: 15px;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.product-point-item:last-child {
    border-bottom: none;
}

.product-generation-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.generation-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
}

.generation-history-date {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
}

.generation-history-status {
    font-family: var(--font-text);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-apple-blue);
    color: var(--text-white);
}

.generation-history-actions {
    display: flex;
    gap: 8px;
}

.continue-create-btn {
    font-family: var(--font-text);
    font-size: 14px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    color: var(--text-white);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.continue-create-btn:hover {
    background: #0077ed;
}

/* ========== 素材选取弹窗 ========== */

.material-picker-content {
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
}

.picker-companies,
.picker-materials {
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

.picker-company-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    margin-bottom: 12px;
    transition: background 0.2s;
}

.picker-company-card:hover {
    background: rgba(0, 0, 0, 0.1);
}

.picker-company-icon {
    font-size: 24px;
}

.picker-company-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.picker-company-count {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.picker-back {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    cursor: pointer;
    margin-bottom: 16px;
}

.picker-material-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    margin-bottom: 8px;
    transition: all 0.2s;
}

.picker-material-card:hover {
    background: rgba(0, 0, 0, 0.1);
}

.picker-material-card.selected {
    background: rgba(0, 113, 227, 0.2);
    border: 2px solid var(--color-apple-blue);
}

.picker-thumb {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.picker-thumb-placeholder {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.picker-material-info {
    flex: 1;
}

.picker-material-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.picker-material-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.picker-no-data {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 40px;
}

.picker-cancel-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.picker-use-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
}

/* 素材选取弹窗 - 视图切换 */
.picker-view-toggle {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-light-gray);
}

.toggle-btn {
    font-family: var(--font-text);
    font-size: 14px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--color-apple-blue);
    color: var(--text-white);
    border-color: var(--color-apple-blue);
}

.toggle-btn:hover:not(.active) {
    background: rgba(0, 0, 0, 0.05);
}

/* 素材选取弹窗 - 添加新素材表单 */
.picker-add-view {
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

.picker-form-group {
    margin-bottom: 20px;
}

.picker-form-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-tertiary);
    display: block;
    margin-bottom: 8px;
}

.picker-form-input {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    outline: none;
}

.picker-form-input:focus {
    box-shadow: 0 0 0 2px var(--color-apple-blue);
}

.picker-upload-area {
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-height: 100px;
}

.picker-upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.picker-upload-icon {
    font-size: 24px;
}

.picker-upload-placeholder span:last-child {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

.picker-ref-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.picker-ref-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.picker-ref-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.picker-ref-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 12px;
}

.picker-add-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-apple-blue);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.picker-add-btn:hover {
    background: rgba(0, 113, 227, 0.1);
}

.picker-doc-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.picker-doc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.picker-doc-icon {
    font-size: 20px;
}

.picker-doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.picker-doc-size {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.picker-doc-remove {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-tertiary);
    border: none;
    cursor: pointer;
    font-size: 14px;
}

/* ========== 素材内容选择弹窗 ========== */

.material-choice-content {
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
}

.choice-tip {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.choice-section {
    margin-bottom: 24px;
}

.choice-section h3 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.choice-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.choice-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.choice-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.choice-doc-icon {
    font-size: 24px;
}

.choice-doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.choice-label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.choice-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.choice-item-new {
    background: var(--color-white);
    border: 1px dashed rgba(0, 0, 0, 0.2);
}

.choice-cancel-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.choice-confirm-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
}

/* 素材选择弹窗 - 新样式 */

.choice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.choice-grid-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-light-gray);
}

.choice-grid-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.choice-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.choice-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.choice-remove-small {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    font-size: 12px;
}

.choice-item-new-added {
    border: 2px solid var(--color-apple-blue);
}

.choice-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.choice-add-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-apple-blue);
    border-radius: var(--radius-md);
    cursor: pointer;
    width: 100%;
    margin-top: 8px;
}

.choice-hint {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.choice-empty {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 20px;
}

/* ==========================================
   继续创作 - 素材选择界面样式
   ========================================== */

/* 产品名称显示 */
.product-name-display {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.display-label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 600;
}

.display-value {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 方案选择（继续创作模式） */
.scheme-selector-continue {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

#continue-scheme-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

#continue-scheme-buttons .scheme-btn {
    min-width: 140px;
    padding: 16px 20px;
}

/* 素材选择区域 */
.material-select-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

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

.section-label {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.section-required {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.section-optional {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 素材选择网格 */
.material-select-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

/* 可勾选的素材卡片 */
.material-select-card {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-light-gray);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.material-select-card:hover {
    border-color: rgba(0, 113, 227, 0.5);
}

.material-select-card.selected {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.1);
}

.material-select-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 勾选标记 */
.material-select-checkbox {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.material-select-card.selected .material-select-checkbox {
    background: var(--color-apple-blue);
    border-color: var(--color-apple-blue);
}

.material-select-checkbox::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-white);
    opacity: 0;
    transition: opacity 0.2s;
}

.material-select-card.selected .material-select-checkbox::after {
    opacity: 1;
}

/* 上传新素材卡片 */
.upload-new-card {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px dashed rgba(0, 0, 0, 0.2);
}

.upload-new-card:hover {
    background: rgba(0, 113, 227, 0.1);
    border-color: var(--color-apple-blue);
}

.upload-new-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-new-icon {
    font-size: 28px;
    color: var(--text-tertiary);
}

.upload-new-text {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 移除新上传素材的按钮 */
.remove-new-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.remove-new-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.remove-new-btn.small {
    width: 18px;
    height: 18px;
    font-size: 10px;
}

/* 错误提示样式 */
.section-required.error {
    color: #ff3b30 !important;
}

/* 文档选择卡片 */
.doc-select-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    margin-bottom: 8px;
}

.doc-select-card:hover {
    border-color: rgba(0, 113, 227, 0.5);
}

.doc-select-card.selected {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.1);
}

.doc-select-icon {
    font-size: 20px;
}

.doc-select-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.doc-select-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
}

.doc-select-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.doc-select-checkbox {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.doc-select-card.selected .doc-select-checkbox {
    background: var(--color-apple-blue);
    border-color: var(--color-apple-blue);
}

.doc-select-checkbox::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-white);
    opacity: 0;
}

.doc-select-card.selected .doc-select-checkbox::after {
    opacity: 1;
}

/* 新上传的素材标记 */
.material-new-tag {
    position: absolute;
    bottom: 6px;
    left: 6px;
    font-family: var(--font-text);
    font-size: 10px;
    color: var(--color-white);
    background: var(--color-apple-blue);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* 继续创作下一步按钮 */
#continue-next-btn {
    /* 样式由其他地方定义 */
}

/* 方案弹窗内品类选择样式 */
.scheme-category-select {
    margin: 16px 0;
    padding: 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

/* 主页面方案二品类选择区域 */
.plan2-category-area {
    margin-top: 24px;
    padding: 20px;
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
}

.category-select-grid-inline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

@media (max-width: 768px) {
    .category-select-grid-inline {
        grid-template-columns: 1fr;
    }
}

.category-select-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.category-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.category-option {
    background: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 12px 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
}

.category-option:hover {
    background: #f0f0f2;
    border-color: #d1d1d6;
}

.category-option.active {
    border-color: var(--color-apple-blue);
    background: var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.15);
}

.category-option-icon {
    font-size: 24px;
}

.category-option-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.category-option-desc {
    font-size: 11px;
    color: var(--text-tertiary);
}

.category-option.active .category-option-name {
    color: var(--color-apple-blue);
}

/* 品类选择按钮样式（上传区域） */
.category-select-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.category-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.category-btn {
    flex: 1;
    min-width: 150px;
    background: var(--color-light-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 16px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.category-btn:hover {
    background: #e8e8ed;
}

.category-btn.active {
    background: var(--color-white);
    border-color: var(--color-apple-blue);
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.2);
}

.category-icon {
    font-size: 28px;
}

.category-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.category-desc {
    font-size: 11px;
    color: var(--text-tertiary);
    text-align: center;
}

.category-btn.active .category-name {
    color: var(--color-apple-blue);
}

/* 下载等待提示样式 */
.download-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    background: rgba(0, 0, 0, 0.85);
    border-radius: var(--radius-lg);
    padding: 20px 30px;
    animation: fadeIn 0.3s ease;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-white);
}

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

.toast-text {
    font-size: 16px;
    font-weight: 500;
}

.toast-content.success {
    color: #34c759;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ========== Material Toast 通知系统 ========== */
.material-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 12px;
    background: rgba(30, 30, 30, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.material-toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.material-toast-icon {
    font-size: 18px;
    flex-shrink: 0;
    line-height: 1;
}

.material-toast-text {
    font-size: 15px;
    font-weight: 500;
    color: #ffffff;
    line-height: 1.4;
    white-space: nowrap;
}

.material-toast-success {
    background: rgba(40, 167, 69, 0.92);
}

.material-toast-error {
    background: rgba(220, 53, 69, 0.92);
}

.material-toast-loading {
    background: rgba(30, 30, 30, 0.92);
}

.material-toast-success .material-toast-text,
.material-toast-error .material-toast-text {
    color: #ffffff;
}

/* 拖拽上传高亮 */
.product-images-grid.drag-over {
    border: 2px dashed var(--color-apple-blue, #007AFF);
    background: rgba(0, 122, 255, 0.05);
    border-radius: var(--radius-md, 8px);
}

/* 新建素材提示文字 */
.section-hint {
    font-size: 12px;
    color: #86868b;
    margin: 0 0 8px 0;
}

/* 单产品提示样式 */
.single-product-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    margin: 12px 0;
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    border-radius: 12px;
    border: 1px solid #FFB74D;
}

.single-product-tip .tip-icon {
    font-size: 18px;
}

.single-product-tip .tip-text {
    flex: 1;
    font-size: 14px;
    color: #E65100;
    font-weight: 500;
}

.single-product-tip.inline-tip {
    margin: 8px 0 16px 0;
    padding: 10px 14px;
}

/* 错误弹窗样式 */
.error-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

.error-modal {
    background: #fff;
    border-radius: 16px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.error-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    border-radius: 16px 16px 0 0;
}

.error-icon {
    font-size: 28px;
}

.error-title {
    font-size: 18px;
    font-weight: 600;
    color: #E65100;
}

.error-modal-body {
    padding: 24px;
}

.error-message {
    font-size: 15px;
    color: #333;
    line-height: 1.6;
    margin: 0;
}

.error-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #eee;
}

.error-modal-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.error-modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

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

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

/* ==========================================
   尺寸参数提示弹窗样式
   ========================================== */

.dimension-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

.dimension-modal {
    background: #fff;
    border-radius: 16px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.dimension-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border-radius: 16px 16px 0 0;
}

.dimension-modal-icon {
    font-size: 28px;
}

.dimension-modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1565C0;
    margin: 0;
}

.dimension-modal-body {
    padding: 24px;
}

.dimension-modal-tip {
    font-size: 15px;
    color: #333;
    line-height: 1.6;
    margin-bottom: 20px;
}

.dimension-modal-tip strong {
    color: #1976D2;
}

.dimension-input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dimension-input-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dimension-input-row label {
    font-size: 14px;
    color: #666;
    width: 60px;
    flex-shrink: 0;
}

.dimension-input-row input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.dimension-input-row input:focus {
    border-color: #1976D2;
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
    outline: none;
}

.dimension-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 12px;
}

.dimension-btn-skip {
    flex: 1;
    padding: 12px;
    background: #F5F5F5;
    color: #666;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.dimension-btn-skip:hover {
    background: #E0E0E0;
}

.dimension-btn-add {
    flex: 1;
    padding: 12px;
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.dimension-btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

/* ==========================================
   步骤0：品牌设置区域样式
   ========================================== */

.brand-settings-section {
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.brand-settings-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    transition: background 0.2s;
}

.brand-settings-header:hover {
    background: rgba(0, 0, 0, 0.05);
}

.brand-settings-label {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.brand-settings-icon {
    font-size: 12px;
    color: var(--text-tertiary);
    transition: transform 0.2s;
}

.brand-settings-header.expanded .brand-settings-icon {
    transform: rotate(180deg);
}

.brand-settings-hint {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    flex: 1;
}

.brand-settings-content {
    padding: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.brand-input-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

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

.logo-upload-section {
    margin-bottom: 8px;
}

.logo-upload-area {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    border: 2px dashed rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
}

.logo-upload-area:hover {
    background: rgba(0, 113, 227, 0.05);
    border-color: var(--color-apple-blue);
}

.logo-upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.logo-upload-placeholder .upload-icon {
    font-size: 28px;
    color: var(--text-tertiary);
}

.logo-upload-placeholder .upload-text {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.logo-upload-area img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-hint {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 8px;
}

@media (max-width: 480px) {
    .brand-input-row {
        flex-direction: column;
        gap: 16px;
    }

    .logo-upload-area {
        width: 100%;
        height: 100px;
    }
}

/* Loading overlay样式 */
.loading-overlay .loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.85);
    padding: 32px 48px;
    border-radius: var(--radius-lg);
}

.loading-overlay .loading-content p {
    font-family: var(--font-text);
    font-size: 16px;
    color: var(--text-white);
}

/* ==========================================
   文档上传提示样式
   ========================================== */

.doc-upload-tips {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.doc-upload-tips.compact {
    padding: 10px 14px;
    gap: 6px;
}

.doc-tip-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.doc-tip-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.doc-tip-text {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.doc-upload-tips.compact .doc-tip-text {
    font-size: 13px;
}

.doc-tip-row.warning {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-top: 4px;
}

.doc-tip-row.warning .doc-tip-text {
    color: #E65100;
    font-weight: 500;
}

.doc-tip-row.warning .doc-tip-icon {
    font-size: 14px;
}

/* ==========================================
   产品参数区域样式
   ========================================== */

.parameters-group {
    margin-top: 24px;
}

.parameters-header {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    transition: background 0.2s;
}

.parameters-header:hover {
    background: rgba(0, 0, 0, 0.08);
}

.parameters-header .form-label {
    margin-bottom: 0;
}

.parameters-icon {
    font-size: 12px;
    color: var(--text-tertiary);
    transition: transform 0.2s;
}

.parameters-header.expanded .parameters-icon {
    transform: rotate(180deg);
}

.parameters-status {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
    flex: 1;
}

.parameters-status.extracted {
    color: #34c759;
    font-weight: 500;
}

.parameters-content {
    padding: 20px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    margin-top: 8px;
}

.parameters-hint {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.parameters-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.param-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
}

.param-key {
    font-family: var(--font-text);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 80px;
    flex-shrink: 0;
}

.param-value-input {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
    padding: 6px 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.param-value-input:focus {
    border-color: var(--color-apple-blue);
    box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
}

.param-remove-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-tertiary);
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.param-remove-btn:hover {
    background: #ff3b30;
    color: white;
}

.parameters-actions {
    display: flex;
    gap: 12px;
}

.add-param-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-apple-blue);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.add-param-btn:hover {
    background: rgba(0, 113, 227, 0.1);
}

.clear-param-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.clear-param-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* 添加新参数弹窗 */
.add-param-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
}

.add-param-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 400px;
    width: 90%;
}

.add-param-title {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.add-param-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.add-param-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.add-param-label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
}

.add-param-input {
    font-family: var(--font-text);
    font-size: 17px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    border: none;
    outline: none;
}

.add-param-input:focus {
    box-shadow: 0 0 0 2px var(--color-apple-blue);
}

.add-param-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.add-param-cancel {
    font-family: var(--font-text);
    font-size: 17px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.add-param-confirm {
    font-family: var(--font-text);
    font-size: 17px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    color: var(--text-white);
    cursor: pointer;
}

/* 参数为空时的提示 */
.parameters-empty {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 20px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
}

/* ==========================================
   预览确认界面 — Tab切换 + 大卡片布局（方案A）
   ========================================== */

.preview-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px 32px;
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.preview-header .preview-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 2px;
}
.preview-subtitle-text {
    margin: 0;
    font-size: 12px;
    color: #86868b;
}
.preview-header-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
.preview-header-actions .cta-primary,
.preview-header-actions .cta-secondary {
    margin: 0;
    padding: 10px 18px;
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
}

/* ---- Tab 切换条 ---- */
.preview-tab-bar {
    display: flex;
    gap: 3px;
    padding: 3px;
    background: #e8e8ed;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.preview-tab {
    flex: 1; min-width: 0;
    display: flex; align-items: center; gap: 5px;
    padding: 8px 8px; border-radius: 9px; border: none;
    background: transparent; cursor: pointer;
    transition: all 0.2s; white-space: nowrap;
    font-family: var(--font-text); overflow: hidden;
}
.preview-tab:hover { background: rgba(255,255,255,0.5); }
.preview-tab.active {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.preview-tab-letter {
    width: 18px; height: 18px; border-radius: 5px;
    display: flex; align-items: center; justify-content: center;
    font-size: 10px; font-weight: 800; flex-shrink: 0;
}
.preview-tab-dots { display: flex; gap: 2px; flex-shrink: 0; }
.preview-tab-dot {
    width: 8px; height: 8px; border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}
.preview-tab-info { text-align: left; min-width: 0; overflow: hidden; }
.preview-tab-name { font-size: 11px; font-weight: 600; color: #1d1d1f; }
.preview-tab-check { margin-left: 2px; flex-shrink: 0; }
.preview-tab-check input { width: 14px; height: 14px; accent-color: var(--color-apple-blue); cursor: pointer; }

/* ---- 大卡片 ---- */
.preview-detail-card {
    background: #fff; border-radius: 14px;
    border: 1px solid rgba(0,0,0,0.08); overflow: hidden;
}

/* ① 配色区（顶部色条） */
.preview-accent-bar {
    padding: 18px 20px 16px;
}
.preview-accent-top {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 14px;
}
.preview-accent-left { flex: 1; min-width: 0; }
.preview-accent-label {
    font-size: 10px; font-weight: 800; opacity: 0.7;
    text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 2px;
}
.preview-accent-name { font-size: 22px; font-weight: 700; line-height: 1.2; }
.preview-accent-oneliner { font-size: 13px; opacity: 0.78; line-height: 1.4; margin-top: 2px; }
.preview-accent-badge {
    width: 44px; height: 44px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800; flex-shrink: 0;
}

/* 色票行 */
.preview-swatch-row {
    display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.preview-swatch-item {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.preview-swatch-dot {
    width: 34px; height: 34px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.preview-swatch-hex {
    font-size: 11px; font-weight: 600;
    font-family: 'SF Mono', 'Consolas', monospace;
}
.preview-palette-desc { font-size: 12px; opacity: 0.75; margin-top: 6px; width: 100%; }

/* ③ 大提示词编辑区 */
.preview-prompt-area {
    padding: 4px 20px 16px;
}
.preview-prompt-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px;
}
.preview-prompt-label {
    font-size: 12px; font-weight: 700; color: #86868b;
}
.preview-prompt-count {
    font-size: 12px; color: #86868b;
}
.preview-prompt-input {
    width: 100%; min-height: 140px; padding: 14px 16px;
    border: 1.5px solid #d8d8dd; border-radius: 10px;
    font-family: var(--font-text); font-size: 14px; line-height: 1.6;
    resize: vertical; outline: none; background: #fafafa;
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}
.preview-prompt-input:focus {
    border-color: var(--color-apple-blue);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
    background: #fff;
}

/* ④ 大按钮行 */
.preview-action-row {
    display: flex; gap: 10px; padding: 0 20px 20px;
}
.preview-action-btn {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 16px 12px; border-radius: 12px;
    border: 1.5px solid #e0e0e0; background: #fafafa;
    cursor: pointer; font-family: var(--font-text);
    transition: all 0.2s;
}
.preview-action-btn:hover { border-color: var(--color-apple-blue); background: #f0f6ff; }
.preview-action-icon { font-size: 28px; line-height: 1; }
.preview-action-label { font-size: 13px; font-weight: 700; color: #1d1d1f; }
.preview-action-hint { font-size: 11px; color: #86868b; text-align: center; line-height: 1.3; }

/* 自然语言输入区 */
.preview-nl-area {
    padding: 0 20px 16px;
}
.preview-nl-hint {
    margin: 0 0 8px; font-size: 12px; color: #86868b;
}
.preview-nl-row {
    display: flex; gap: 8px;
}
.preview-nl-field {
    flex: 1; padding: 10px 12px;
    border: 1px solid #ddd; border-radius: 8px;
    font-family: var(--font-text); font-size: 13px;
    outline: none; transition: border-color 0.2s;
}
.preview-nl-field:focus { border-color: var(--color-apple-blue); }
.preview-nl-btn {
    padding: 10px 18px; background: var(--color-apple-blue);
    color: #fff; border: none; border-radius: 8px;
    cursor: pointer; font-size: 13px; white-space: nowrap;
    font-family: var(--font-text);
}
.preview-nl-btn:hover { background: #0066d6; }

/* 参考图状态 */
.preview-ref-status {
    display: none; margin-top: 8px;
    padding: 0 20px; font-size: 12px; color: var(--text-secondary);
}
.preview-ref-input { display: none; }

/* 旧版兼容：保持 preview-card 样式（_renderMultiStyle 使用） */
.preview-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; margin-bottom: 24px;
    align-items: stretch;
}
.preview-cards-grid > * { min-width: 0; }
.preview-cards-grid .preview-card {
    height: 100%; display: flex; flex-direction: column; min-width: 0;
}
.preview-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.preview-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
}
.preview-card.preview-card-failed { border-color: #ffd1d1; background: #fffafa; }
.preview-card-header {
    padding: 12px 16px; border-bottom: 1px solid rgba(0,0,0,0.06);
    background: rgba(0,0,0,0.02);
}
.preview-card-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px; border-radius: 50%;
    background: var(--color-apple-blue); color: white;
    font-size: 12px; font-weight: 700; font-family: var(--font-text); flex-shrink: 0;
}
.preview-card-name {
    font-family: var(--font-display); font-size: 15px; font-weight: 600;
    color: var(--text-primary); white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}
.preview-card-checkbox {
    display: flex; align-items: center; gap: 8px;
    cursor: pointer; user-select: none; margin-left: auto;
}
.preview-card-checkbox input[type="checkbox"] {
    width: 18px; height: 18px; cursor: pointer;
    accent-color: var(--color-apple-blue);
}
.preview-card-image {
    position: relative; aspect-ratio: 3/4;
    background: var(--color-light-gray); overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.preview-card-img { width: 100%; height: 100%; object-fit: contain; display: block; cursor: pointer; }
.preview-card-img-failed {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px; padding: 20px; text-align: center; color: #999; font-size: 13px;
}
.preview-card-loading {
    display: flex; flex-direction: column; align-items: center;
    gap: 12px; color: #999; font-size: 13px;
}
.preview-card-prompt { padding: 12px 16px 16px; }
.preview-card-tools { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.preview-tool-btn {
    font-family: var(--font-text); font-size: 12px; color: var(--text-secondary);
    padding: 6px 12px; background: var(--color-light-gray);
    border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius-md);
    cursor: pointer; transition: all 0.2s;
    display: inline-flex; align-items: center; gap: 4px; white-space: nowrap;
}
.preview-tool-btn:hover { background: #e8e8ed; border-color: rgba(0,0,0,0.15); color: var(--text-primary); }

/* 小号旋转器 */
.spinner-sm {
    width: 24px; height: 24px;
    border: 2px solid #e0e0e0;
    border-top-color: var(--color-apple-blue);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* 底部摘要栏（新版Tab布局用） */
.preview-summary-bar {
    display: flex; align-items: center; justify-content: flex-start;
    background: #fff; border-radius: 12px; padding: 12px 16px;
    margin-top: 14px; border: 1px solid rgba(0,0,0,0.06);
    font-size: 12px; color: #86868b;
}
.summary-bar-left { display: flex; align-items: center; gap: 6px; }
.summary-bar-left strong { color: #1d1d1f; }
.summary-divider { color: #ccc; }

/* 旧版摘要 + 操作栏（_renderMultiStyle 兼容） */
.preview-summary {
    background: var(--color-light-gray); border-radius: var(--radius-md);
    padding: 12px 20px; margin-bottom: 20px; text-align: center;
}
.preview-summary p { margin: 0; font-size: 14px; color: var(--text-secondary); }
.preview-summary strong { color: var(--text-primary); font-weight: 600; }
.preview-actions-bar {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 16px 20px; margin-top: 20px;
    background: #FFFFFF; border-radius: 12px;
    box-shadow: 0 -1px 0 rgba(0,0,0,0.06), 0 4px 20px rgba(0,0,0,0.04);
    position: sticky; bottom: 0; z-index: 10;
}
.preview-actions-left { display: flex; gap: 8px; }
.preview-actions-right { display: flex; gap: 8px; }
.preview-actions-bar .cta-primary.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* 旧版单风格预览 */
.preview-loading {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 60px 20px; color: var(--text-secondary);
}
.preview-loading .loading-text { margin-top: 16px; font-size: 15px; }
.preview-error { text-align: center; padding: 60px 20px; }
.preview-error p { margin-bottom: 24px; font-size: 16px; color: var(--text-secondary); }
.preview-error .preview-actions { display: flex; justify-content: center; gap: 16px; }
.preview-main { display: flex; gap: 24px; margin-bottom: 24px; }
.preview-image-wrap {
    flex: 0 0 360px; border-radius: var(--radius-lg);
    overflow: hidden; background: var(--color-light-gray);
}
.preview-image { width: 100%; display: block; }
.preview-meta { flex: 1; }
.preview-meta h4 {
    font-family: var(--font-display); font-size: 17px; font-weight: 600;
    margin: 0 0 16px; color: var(--text-primary);
}
.preview-meta .meta-row {
    display: flex; gap: 8px; font-size: 14px; line-height: 1.6;
    color: var(--text-primary); margin-bottom: 8px;
}
.meta-row span:first-child {
    font-weight: 600; color: var(--text-secondary);
    min-width: 60px; flex-shrink: 0;
}
.preview-actions-group { display: flex; gap: 16px; justify-content: center; margin-top: 24px; }

/* 响应式 */
@media (max-width: 1024px) {
    .preview-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .preview-cards-grid { grid-template-columns: 1fr; }
    .preview-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .preview-main { flex-direction: column; }
    .preview-image-wrap { flex: none; width: 100%; }
    .preview-actions-bar { flex-direction: column; }
    .preview-actions-bar button { width: 100%; }
    /* Tab 在小屏幕隐藏色票 */
    .preview-tab-dots { display: none; }
    .preview-accent-name { font-size: 18px; }
    .preview-swatch-dot { width: 28px; height: 28px; }
    .preview-action-row { flex-direction: column; }
}

/* ==========================================
   v2.1 单图结构化编辑器
   ========================================== */

.single-editor-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.single-editor {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 960px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.single-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid #f0f0f0;
    flex-shrink: 0;
}

.single-editor-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.single-editor-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.single-editor-preview {
    flex: 1;
    background: var(--color-light-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 300px;
    position: relative;
}

.single-editor-image {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.editor-no-image {
    color: #bbb;
    font-size: 14px;
    padding: 60px 20px;
    text-align: center;
}

.single-editor-fields {
    width: 380px;
    flex-shrink: 0;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-left: 1px solid #f0f0f0;
}

.editor-field-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.editor-field-section.editor-field-grow {
    flex: 1;
    min-height: 120px;
}

.editor-field-label {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.editor-field-hint {
    font-weight: 400;
    color: #bbb;
    font-size: 11px;
}

.editor-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.editor-radio-label {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-primary);
    transition: all 0.15s;
    user-select: none;
}

.editor-radio-label input {
    display: none;
}

.editor-radio-label:hover {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.04);
}

.editor-radio-label.active {
    border-color: var(--color-apple-blue);
    background: rgba(0, 113, 227, 0.08);
    color: var(--color-apple-blue);
    font-weight: 600;
}

.editor-textarea {
    width: 100%;
    flex: 1;
    min-height: 100px;
    padding: 10px 12px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    font-family: var(--font-text);
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-primary);
    resize: vertical;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.editor-textarea:focus {
    border-color: var(--color-apple-blue);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.editor-input {
    padding: 8px 12px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.editor-input:focus {
    border-color: var(--color-apple-blue);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.editor-input::placeholder {
    color: #bbb;
}

.editor-char-count {
    font-weight: 400;
    color: #bbb;
    font-size: 11px;
}

/* 编辑器加载状态 */
.editor-preview-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #999;
    font-size: 12px;
}

/* 响应式 */
@media (max-width: 768px) {
    .single-editor-body {
        flex-direction: column;
    }

    .single-editor-fields {
        width: 100%;
        border-left: none;
        border-top: 1px solid #f0f0f0;
    }

    .single-editor-preview {
        min-height: 200px;
    }

    .single-editor-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    .single-editor-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .single-editor {
        max-height: 95vh;
        border-radius: 16px 16px 0 0;
    }
}

/* ==========================================
   Visual Refresh 2026 - Studio light workbench
   ========================================== */
:root {
    --color-black: #17140f;
    --color-light-gray: #f4efe4;
    --color-near-black: #1a1712;
    --color-white: #fffaf0;
    --color-apple-blue: #1b6b66;
    --color-link-blue: #1b6b66;
    --color-link-dark: #f0bd6a;
    --text-primary: #1a1712;
    --text-secondary: #514b40;
    --text-tertiary: #7f7668;
    --surface-cream: #fffaf0;
    --surface-warm: #efe5cf;
    --surface-paper: rgba(255, 250, 240, 0.84);
    --accent-teal: #1b6b66;
    --accent-amber: #c67a32;
    --accent-ink: #1a1712;
    --hairline-warm: rgba(80, 65, 42, 0.16);
    --shadow-card: 0 22px 55px rgba(70, 48, 24, 0.14);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 999px;
}

html {
    background: var(--color-light-gray);
}

body {
    letter-spacing: 0;
    background:
        radial-gradient(circle at 18% 8%, rgba(240, 189, 106, 0.28), transparent 26rem),
        radial-gradient(circle at 88% 18%, rgba(27, 107, 102, 0.18), transparent 24rem),
        linear-gradient(135deg, #f4efe4 0%, #efe4cf 48%, #f8f2e7 100%);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        linear-gradient(115deg, transparent 0 34%, rgba(255, 255, 255, 0.34) 42%, transparent 50%),
        repeating-linear-gradient(90deg, rgba(46, 34, 20, 0.024) 0 1px, transparent 1px 80px);
    mix-blend-mode: soft-light;
    animation: studioLightSweep 18s ease-in-out infinite alternate;
}

.nav-glass {
    height: 56px;
    background: rgba(26, 23, 18, 0.78);
    border-bottom: 1px solid rgba(255, 250, 240, 0.12);
    box-shadow: 0 14px 42px rgba(26, 23, 18, 0.18);
}

.nav-content,
.hero-compact-content,
.section-content {
    max-width: 1120px;
}

.nav-logo,
.nav-links a,
.hero-compact-title,
.hero-compact-subtitle,
.section-heading,
.scheme-label,
.form-label,
.preview-title,
.result-title {
    letter-spacing: 0;
}

.hero-compact {
    position: relative;
    overflow: hidden;
    padding: 96px 20px 42px;
    text-align: left;
    background:
        linear-gradient(110deg, rgba(26, 23, 18, 0.98), rgba(38, 29, 17, 0.9)),
        radial-gradient(circle at 78% 20%, rgba(240, 189, 106, 0.5), transparent 18rem);
}

.hero-compact::before,
.hero-compact::after {
    content: '';
    position: absolute;
    pointer-events: none;
}

.hero-compact::before {
    inset: -22% -12% auto 52%;
    height: 240px;
    background: linear-gradient(115deg, transparent, rgba(240, 189, 106, 0.38), transparent);
    filter: blur(16px);
    transform: rotate(-8deg);
    animation: heroBeam 9s ease-in-out infinite alternate;
}

.hero-compact::after {
    right: 9%;
    bottom: -54px;
    width: min(34vw, 360px);
    aspect-ratio: 1;
    border: 1px solid rgba(240, 189, 106, 0.22);
    background:
        linear-gradient(145deg, rgba(255, 250, 240, 0.12), rgba(255, 250, 240, 0.02)),
        repeating-linear-gradient(90deg, rgba(255, 250, 240, 0.08) 0 1px, transparent 1px 18px);
    box-shadow: inset 0 0 55px rgba(240, 189, 106, 0.12);
    transform: rotate(-7deg);
}

.hero-compact-title {
    max-width: 720px;
    font-family: "Georgia", "Times New Roman", serif;
    font-size: clamp(34px, 4.5vw, 64px);
    font-weight: 500;
    line-height: 1.02;
    color: #fff8e8;
    text-wrap: pretty;
}

.hero-compact-subtitle {
    max-width: 620px;
    font-size: 16px;
    color: rgba(255, 248, 232, 0.74);
}

.upload-section {
    position: relative;
    padding: 32px 20px 72px;
    background: transparent;
}

.section-heading {
    margin-bottom: 28px;
    font-family: "Georgia", "Times New Roman", serif;
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 500;
}

.progress-indicator {
    padding: 12px 16px;
    background: rgba(255, 250, 240, 0.62);
    border: 1px solid var(--hairline-warm);
    border-radius: var(--radius-xl);
    box-shadow: 0 14px 35px rgba(70, 48, 24, 0.08);
}

.progress-dot {
    background: #d1c3aa;
}

.progress-step.active .progress-dot,
.progress-step.completed .progress-dot {
    background: var(--accent-teal);
    box-shadow: 0 0 0 5px rgba(27, 107, 102, 0.12), 0 0 22px rgba(27, 107, 102, 0.32);
}

.progress-line {
    background: rgba(80, 65, 42, 0.18);
}

.user-selector,
.scheme-selector,
.upload-section-card,
.form-container,
.result-container,
.preview-main,
.scheme-modal-content,
.single-editor,
.add-param-content {
    background:
        linear-gradient(145deg, rgba(255, 250, 240, 0.92), rgba(250, 241, 222, 0.86)),
        var(--surface-cream);
    border: 1px solid var(--hairline-warm);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.scheme-selector,
.upload-section-card,
.user-selector {
    position: relative;
    overflow: hidden;
}

.scheme-selector::before,
.upload-section-card::before,
.user-selector::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.58), transparent 28%, transparent 72%, rgba(240, 189, 106, 0.12));
    opacity: 0.76;
}

.scheme-selector > *,
.upload-section-card > *,
.user-selector > * {
    position: relative;
}

.scheme-buttons {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.scheme-btn {
    position: relative;
    align-items: flex-start;
    min-width: 0;
    min-height: 184px;
    padding: 22px;
    border: 1px solid var(--hairline-warm);
    background:
        linear-gradient(145deg, rgba(255, 250, 240, 0.94), rgba(239, 229, 207, 0.78));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
    overflow: hidden;
}

.scheme-btn::after {
    content: '';
    position: absolute;
    inset: -45% -25% auto 42%;
    height: 110px;
    background: linear-gradient(100deg, transparent, rgba(240, 189, 106, 0.34), transparent);
    filter: blur(10px);
    transform: translateX(-42%);
    opacity: 0;
    transition: opacity 0.35s, transform 0.55s;
}

.scheme-btn:hover {
    border-color: rgba(198, 122, 50, 0.58);
    background:
        linear-gradient(145deg, rgba(255, 250, 240, 1), rgba(237, 222, 190, 0.9));
    transform: translateY(-2px);
    box-shadow: 0 20px 42px rgba(70, 48, 24, 0.12);
}

.scheme-btn:hover::after {
    opacity: 1;
    transform: translateX(26%);
}

.scheme-btn.active {
    border-color: rgba(27, 107, 102, 0.78);
    background:
        linear-gradient(145deg, rgba(27, 107, 102, 0.96), rgba(20, 70, 67, 0.96));
    box-shadow: 0 22px 48px rgba(27, 107, 102, 0.22);
}

.scheme-btn .scheme-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 50%;
    background: rgba(26, 23, 18, 0.07);
    font-size: 20px;
    filter: grayscale(0.25);
}

.scheme-btn .scheme-name {
    font-size: 19px;
    color: var(--text-primary);
}

.scheme-btn .scheme-desc,
.scheme-btn .scheme-tip {
    text-align: left;
    line-height: 1.5;
}

.scheme-btn.active .scheme-icon {
    background: rgba(255, 250, 240, 0.16);
}

.scheme-btn.active .scheme-name,
.scheme-btn.active .scheme-desc,
.scheme-btn.active .scheme-tip {
    color: #fff8e8;
}

.cta-primary,
.cta-secondary,
.scheme-select-btn,
.preview-nl-btn,
.add-param-confirm {
    min-height: 44px;
    border-radius: var(--radius-md);
    letter-spacing: 0;
    transition: transform 0.18s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.cta-primary,
.scheme-select-btn,
.preview-nl-btn,
.add-param-confirm {
    background: linear-gradient(135deg, var(--accent-teal), #144643);
    box-shadow: 0 13px 28px rgba(27, 107, 102, 0.22);
}

.cta-primary:hover:not(:disabled),
.scheme-select-btn:hover,
.preview-nl-btn:hover,
.add-param-confirm:hover {
    background: linear-gradient(135deg, #237a73, #15514d);
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(27, 107, 102, 0.28);
}

.cta-secondary,
.add-param-cancel {
    color: var(--text-primary);
    background: rgba(255, 250, 240, 0.72);
    border: 1px solid var(--hairline-warm);
}

.cta-secondary:hover,
.add-param-cancel:hover {
    background: #fff8e8;
    transform: translateY(-1px);
}

.form-input,
.form-textarea,
.form-select,
.editor-input,
.editor-textarea,
.scene-input,
.scene-textarea {
    border: 1px solid var(--hairline-warm);
    background: rgba(255, 250, 240, 0.78);
    letter-spacing: 0;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus,
.editor-input:focus,
.editor-textarea:focus,
.scene-input:focus,
.scene-textarea:focus {
    border-color: rgba(27, 107, 102, 0.72);
    box-shadow: 0 0 0 4px rgba(27, 107, 102, 0.12);
}

.upload-add-area,
.multi-image-item,
.multi-doc-item,
.example-placeholder {
    background:
        linear-gradient(145deg, rgba(255, 250, 240, 0.9), rgba(231, 219, 196, 0.75));
    border-color: rgba(80, 65, 42, 0.22);
}

.upload-add-area:hover {
    border-color: rgba(198, 122, 50, 0.68);
    box-shadow: 0 0 0 5px rgba(198, 122, 50, 0.1), 0 16px 32px rgba(70, 48, 24, 0.1);
}

.material-library-tip,
.single-product-tip,
.doc-upload-tips,
.plan2-category-area,
.parameters-content,
.preview-summary,
.scheme-category-select {
    background: rgba(255, 250, 240, 0.64);
    border: 1px solid var(--hairline-warm);
}

@keyframes studioLightSweep {
    from {
        transform: translate3d(-4%, -2%, 0);
        opacity: 0.7;
    }
    to {
        transform: translate3d(4%, 2%, 0);
        opacity: 1;
    }
}

@keyframes heroBeam {
    from {
        transform: translateX(-18%) rotate(-8deg);
        opacity: 0.52;
    }
    to {
        transform: translateX(12%) rotate(-8deg);
        opacity: 0.9;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 720px) {
    .hero-compact {
        padding-top: 84px;
        text-align: left;
    }

    .scheme-buttons {
        grid-template-columns: 1fr;
    }

    .progress-indicator {
        align-items: stretch;
        border-radius: var(--radius-lg);
        overflow-x: auto;
    }
}

/* ========== 文档逐文件分析状态徽章 ========== */
.doc-analysis-badge {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
    white-space: nowrap;
    line-height: 1.6;
}
.doc-analysis-badge.pending {
    background: #f0f0f0;
    color: #999;
}
.doc-analysis-badge.analyzing {
    background: #e8f4fd;
    color: #007AFF;
    animation: pulse 1.5s ease-in-out infinite;
}
.doc-analysis-badge.done {
    background: #e8f8e8;
    color: #34c759;
}
.doc-analysis-badge.error {
    background: #ffe8e8;
    color: #ff3b30;
    cursor: help;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.doc-item, .multi-doc-item {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.doc-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================
   单图编辑 — 左右分栏 (B+) 任务6
   ========================================== */
.split-editor {
    display: flex;
    height: calc(100vh - 56px);
    background: #fff;
    border-radius: 0;
    overflow: hidden;
}

/* ---- 左侧：大图区 ---- */
.se-image-stage {
    flex: 6.5;
    background: #fffaf0;
    display: flex;
    flex-direction: column;
    position: relative;
    min-width: 0;
    border-right: 1px solid #f0f0f0;
}

.se-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    z-index: 5;
}
.se-topbar-left { display: flex; align-items: center; gap: 14px; }
.se-back-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid #d0d0d5;
    background: #fff;
    color: #666;
    font-size: 18px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
}
.se-back-btn:hover { background: #f0f0f0; color: #333; }
.se-counter { font-size: 15px; font-weight: 600; color: #1d1d1f; }
.se-counter em { font-style: normal; color: #999; font-weight: 400; }
.se-badge {
    font-size: 12px; font-weight: 600; color: #007aff;
    background: #e8f2ff; padding: 4px 12px; border-radius: 6px;
}

/* 图片展示区 */
.se-image-area {
    flex: 1; display: flex; align-items: center; justify-content: center;
    padding: 20px 64px 30px; position: relative;
}
.se-image {
    max-width: 100%; max-height: 100%; object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

/* 左右箭头 */
.se-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid #d0d0d5;
    background: #fff;
    color: #666; font-size: 20px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    z-index: 3; transition: all 0.15s;
}
.se-arrow:hover { background: #fafafa; box-shadow: 0 2px 12px rgba(0,0,0,0.1); transform: translateY(-50%) scale(1.04); }
.se-arrow.prev { left: 16px; }
.se-arrow.next { right: 16px; }

/* 缩略图条 */
.se-thumb-bar {
    display: flex; gap: 8px; padding: 12px 20px;
    justify-content: center;
    background: #fff;
    border-top: 1px solid #f0f0f0;
}
.se-thumb-item {
    width: 48px; height: 48px; border-radius: 6px; overflow: hidden;
    cursor: pointer; border: 2px solid transparent; opacity: 0.55;
    flex-shrink: 0; transition: all 0.18s;
}
.se-thumb-item.active { border-color: #007aff; opacity: 1; }
.se-thumb-item:hover { opacity: 0.85; }
.se-thumb-item img { width: 100%; height: 100%; object-fit: cover; }

.se-kbd-hint {
    position: absolute; bottom: 70px; left: 50%; transform: translateX(-50%);
    font-size: 11px; color: #999;
    display: flex; gap: 8px; align-items: center;
}
.se-kbd {
    display: inline-block; padding: 2px 7px; border-radius: 4px;
    background: #e8e8ed; font-size: 10px; color: #999;
}

/* ---- 右侧：编辑面板 ---- */
.se-edit-sidebar {
    width: 380px;
    background: #fff;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}
.se-edit-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #f0f0f0;
}
.se-edit-title { font-size: 17px; font-weight: 700; color: #1d1d1f; }
.se-edit-badge {
    font-size: 12px; font-weight: 600; color: #007aff;
    background: #e8f2ff; padding: 4px 10px; border-radius: 12px;
}

.se-edit-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.se-edit-body::-webkit-scrollbar { width: 3px; }
.se-edit-body::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }

/* 可编辑字段区 */
/* 紧凑字段：卖点 + 文案 横向排列 */
.se-compact-fields {
    display: flex; gap: 8px; margin-bottom: 12px;
}
.se-field-group {
    display: flex; flex-direction: column; gap: 4px;
}
.se-field-label {
    font-size: 12px; font-weight: 600; color: #555;
    display: flex; align-items: center; gap: 4px;
}
.se-field-compact {
    flex: 1; min-width: 0;
}
.se-field-input {
    width: 100%; box-sizing: border-box;
    font-size: 12px; padding: 6px 10px;
    border: 1px solid #e5e5e5; border-radius: 6px;
    background: #fafafa; color: #1d1d1f;
    font-family: inherit;
    transition: border-color 0.2s;
}
.se-field-input:focus {
    outline: none; border-color: #007AFF;
    background: #fff; box-shadow: 0 0 0 2px rgba(0,122,255,0.1);
}

/* 提示词大框 */
.se-prompt-area {
    display: flex; flex-direction: column; gap: 4px;
    margin-bottom: 12px;
}
.se-prompt-label {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 12px; font-weight: 600; color: #555;
}
.se-prompt-hint {
    font-size: 10px; color: #aaa; font-weight: 400;
}
.se-prompt-textarea {
    width: 100%; box-sizing: border-box;
    min-height: 180px; max-height: 350px;
    font-size: 12px; line-height: 1.6;
    padding: 10px 12px;
    border: 1px solid #e5e5e5; border-radius: 8px;
    background: #fafafa; color: #1d1d1f;
    font-family: 'SF Mono', 'Consolas', monospace;
    resize: vertical; tab-size: 2;
    transition: border-color 0.2s, background 0.2s;
}
.se-prompt-textarea:focus {
    outline: none; border-color: #007AFF;
    background: #fff; box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

/* 大输入框 */
.se-big-input-area {
    display: flex;
    flex-direction: column;
    margin-bottom: 8px;
}
.se-big-input-label {
    font-size: 14px; font-weight: 700; color: #1d1d1f;
    margin-bottom: 6px;
    display: flex; align-items: center; gap: 8px;
}
.se-ai-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c3aed, #6366f1);
}
.se-big-input-hint { font-size: 11px; color: #999; margin-bottom: 10px; }
.se-big-textarea {
    flex: 1;
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    color: #333;
    background: #fafafa;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    min-height: 120px;
}
.se-big-textarea:focus {
    border-color: #007aff;
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
    background: #fff;
}
.se-big-textarea::placeholder { color: #bbb; }
.se-big-input-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}
.se-char-count { font-size: 11px; color: #ccc; }

/* 风格锁定按钮 */
.se-style-lock-btn {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 6px 12px;
    border: 1px solid #e0e0e0; border-radius: 16px;
    background: #f5f5f5; color: #888;
    font-size: 11px; font-weight: 600; cursor: pointer;
    font-family: inherit; transition: all 0.2s;
}
.se-style-lock-btn:hover { border-color: #ccc; background: #eee; }
.se-style-lock-btn.locked {
    background: #f0eaf5; color: #5e3c9e;
    border-color: #d4c8e8;
}
.se-style-lock-btn.unlocked {
    background: #fff8e1; color: #e67e22;
    border-color: #f0d89c;
}
.se-lock-icon { font-size: 13px; }

.se-polish-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 12px 28px;
    border: none; border-radius: 10px;
    font-size: 14px; font-weight: 600; cursor: pointer;
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    color: #fff; box-shadow: 0 4px 16px rgba(124,58,237,0.25);
    transition: all 0.2s ease;
    font-family: inherit;
}
.se-polish-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124,58,237,0.35); }
.se-polish-btn:active { transform: translateY(0); }
.se-polish-btn.loading { pointer-events: none; opacity: 0.75; }
.se-spinner-dot {
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff; border-radius: 50%;
    animation: se-spin 0.6s linear infinite;
    display: none;
}
.se-polish-btn.loading .se-spinner-dot { display: inline-block; }
.se-polish-btn.loading .se-btn-text { display: none; }
@keyframes se-spin { to { transform: rotate(360deg); } }

/* ===== AI润色变更摘要（方案A：内联卡片） ===== */
.se-changes-section {
    border: 1px solid #e8e0f0;
    border-radius: 12px;
    overflow: hidden;
    display: none;
    margin-bottom: 12px;
}
.se-changes-section.show { display: block; }

.se-changes-header {
    font-size: 13px; font-weight: 600; color: #5e3c9e;
    padding: 14px 16px 10px;
    display: flex; align-items: center; gap: 8px;
    background: #faf9fd;
    border-bottom: 1px solid #f0eaf5;
}
.se-changes-icon { font-size: 18px; }

.se-changes-list {
    padding: 8px 12px;
}

/* 单条变更项 */
.se-change-item {
    padding: 10px 12px;
    margin: 6px 0;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.7;
}
.se-change-item.modified {
    background: #fdfbff;
    border: 1px solid #f0eaf5;
}
.se-change-item.unchanged {
    background: #fafafa;
    border: 1px solid #f5f5f5;
    color: #aaa;
}

.se-change-item-label {
    font-size: 11px; font-weight: 700; color: #888;
    text-transform: uppercase; letter-spacing: 0.3px;
    margin-bottom: 4px;
}
.se-change-item.modified .se-change-item-label.visual { color: #5e3c9e; }
.se-change-item.modified .se-change-item-label.copy { color: #e67e22; }
.se-change-item.unchanged .se-change-item-label { color: #bbb; }

.se-change-from {
    color: #bbb; text-decoration: line-through; margin-right: 4px;
}
.se-change-arrow {
    color: #7c3aed; margin: 0 4px; font-weight: 700;
}
.se-change-to {
    color: #4a2d8f; font-weight: 500;
}
.se-change-added {
    color: #388e3c; font-weight: 500;
}
.se-change-added::before {
    content: '+ ';
    font-weight: 700; color: #4caf50;
}
.se-change-detail {
    font-size: 11px; color: #666; margin-top: 4px;
    font-style: italic;
}
.se-change-unchanged-hint {
    font-size: 11px; color: #bbb;
}

.se-changes-footer {
    padding: 8px 12px 12px;
}
.se-changes-btn-retry {
    font-size: 12px; color: #7c3aed; background: none; border: none;
    cursor: pointer; padding: 8px 12px; font-family: inherit; font-weight: 500;
    display: block; width: 100%;
}
.se-changes-btn-retry:hover { text-decoration: underline; }

/* 底部按钮 */
.se-edit-footer {
    padding: 14px 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    gap: 8px;
}
.se-btn-ghost {
    flex: 1; padding: 10px;
    border-radius: 10px; border: 1px solid #ddd;
    background: #fff; font-size: 14px; font-weight: 600;
    cursor: pointer; color: #666; font-family: inherit;
}
.se-btn-ghost:hover { background: #f5f5f5; }
.se-btn-solid {
    flex: 2; padding: 10px;
    border-radius: 10px; border: none;
    background: #007aff; color: #fff;
    font-size: 14px; font-weight: 600;
    cursor: pointer; font-family: inherit;
}
.se-btn-solid:hover { background: #0066d6; }

/* 响应式 */
@media (max-width: 900px) {
    .split-editor { flex-direction: column; height: auto; }
    .se-edit-sidebar { width: 100%; max-height: 55vh; }
    .se-image-stage { min-height: 380px; border-right: none; border-bottom: 1px solid #f0f0f0; }
    .se-image-area { padding: 16px 50px 20px; }
}