/* 故事展示页面样式 */

/* CSS变量定义 */
:root {
    /* 更鲜艳活泼的色彩方案 - 适合儿童绘本 */
    --primary-color: #FF6B6B;
    --primary-hover: #FF5252;
    /* 活泼红 */
    --secondary-color: #4ECDC4;
    /* 明亮青 */
    --accent-color: #FFD166;
    /* 快乐黄 */
    --text-color: #2C3E50;
    /* 柔和深蓝 - 易于阅读 */
    --light-text-color: #7B8794;
    /* 温和灰 */
    --light-gray: #F8F9FA;
    /* 背景灰 */
    --white: #FFFFFF;
    --border-color: #E9ECEF;
    /* 淡边框 */
    --success-color: #6BDB9E;
    /* 活泼绿 */
    --error-color: #FF8080;
    /* 柔和红 */
    --warning-color: #FFB347;
    /* 柔和橙 */
    --light-blue-bg: #E6F7FF;
    /* 淡蓝背景 */
    --light-red-bg: #FFE8E8;
    /* 淡红背景 */
    --light-yellow-bg: #FFF8E1;
    /* 淡黄背景 - 适合高亮内容 */
    --light-green-bg: #E3FCF2;
    /* 淡绿背景 - 适合成功信息 */
    --light-purple-bg: #F3E5F5;
    /* 淡紫背景 - 适合特别内容 */

    /* 新增儿童友好的色彩 */
    --sky-blue: #8ECDDD;
    /* 天空蓝 */
    --grass-green: #9FD356;
    /* 草地绿 */
    --sunny-yellow: #FFCC29;
    --crayon-yellow: #FFD54F;
    /* 阳光黄 */
    --crayon-red: #FF5252;
    /* 蜡笔红 */
    --crayon-purple: #BA68C8;
    /* 蜡笔紫 */
    --crayon-orange: #FFAB40;
    /* 蜡笔橙 */
    --crayon-pink: #FF80AB;
    /* 蜡笔粉 */
    --crayon-blue: #40C4FF;
    /* 蜡笔蓝 */

    /* 圆润的UI元素 */
    --border-radius-soft: 12px;
    /* 更圆润的边角 */
    --border-radius-medium: 18px;
    /* 更圆润的中等边角 */
    --border-radius-large: 24px;
    /* 大边角 - 适合卡片等元素 */
    --border-radius-full: 9999px;
    /* 适合按钮的完全圆角 */
    --box-shadow-light: 0 4px 8px rgba(0, 0, 0, 0.05);
    --box-shadow-medium: 0 6px 16px rgba(0, 0, 0, 0.08);
    --box-shadow-playful: 0 8px 0 rgba(0, 0, 0, 0.1);
    /* 儿童风格的阴影 */
    --transition-fast: 0.2s ease-in-out;
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    /* 弹跳效果 */
    
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #bdc3c7;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #ecf0f1;
    
    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    --transition: all 0.3s ease;
    
    --font-family: 'Comic Sans MS', 'Nunito', 'Rounded Mplus 1c', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

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

/* 字体设置 - 更加圆润友好 */
body {
    font-family: var(--font-family);
    font-size: 16px;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--light-gray);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    /* 儿童友好的背景纹理 */
    background-image:
        radial-gradient(var(--white) 9px, transparent 10px),
        radial-gradient(var(--white) 9px, transparent 10px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    background-attachment: fixed;
}

/* 工具类 */
.hidden {
    display: none !important;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 漂浮背景元素 */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes::before,
.floating-shapes::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--crayon-pink), var(--crayon-blue));
    opacity: 0.1;
    animation: float-around 20s ease-in-out infinite;
}

.floating-shapes::before {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-shapes::after {
    width: 150px;
    height: 150px;
    bottom: 20%;
    right: 15%;
    animation-delay: 10s;
    background: linear-gradient(45deg, var(--sunny-yellow), var(--crayon-orange));
}

@keyframes float-around {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) translateX(10px) rotate(90deg);
    }
    50% {
        transform: translateY(-40px) translateX(-10px) rotate(180deg);
    }
    75% {
        transform: translateY(-20px) translateX(-15px) rotate(270deg);
    }
}

/* 头部样式增强 */
.header {
    background: linear-gradient(to right, var(--crayon-blue), var(--crayon-purple));
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow-playful);
    top: 0;
    z-index: 100;
    border-bottom: 4px solid var(--crayon-yellow);
}

.header h1 {
    font-size: 2rem;
    margin: 0;
    font-weight: 700;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

/* Logo样式 */
.header .logo {
    display: flex;
    align-items: center;
    margin-right: 15px;
}

.header .logo img {
    height: 48px;
    width: auto;
    filter: drop-shadow(2px 2px 0 rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-bounce);
}

.header .logo img:hover {
    transform: scale(1.1) rotate(5deg);
}

/* 认证按钮样式 */
.auth-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.gallery-link {
    text-decoration: none;
}

.gallery-button,
.my-works-button,
.logout-button {
    background-color: var(--sunny-yellow);
    color: var(--text-color);
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: transform var(--transition-bounce), box-shadow var(--transition-fast);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
    margin-left: 10px;
}

.gallery-button:hover,
.my-works-button:hover,
.logout-button:hover {
    background-color: var(--crayon-yellow);
    transform: translateY(-4px);
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.15);
}

.gallery-button:active,
.my-works-button:active,
.logout-button:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
}

.auth-section button {
    background-color: var(--sunny-yellow);
    color: var(--text-color);
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: transform var(--transition-bounce), box-shadow var(--transition-fast);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
    margin-left: 10px;
}

/* 彩虹分割线 */
.rainbow-divider {
    height: 6px;
    background: linear-gradient(to right, 
        var(--crayon-red), 
        var(--crayon-orange), 
        var(--sunny-yellow), 
        var(--grass-green), 
        var(--crayon-blue), 
        var(--crayon-purple)
    );
    animation: rainbow-shift 3s ease-in-out infinite;
}

.rainbow-divider.bottom {
    margin-top: 3rem;
}

@keyframes rainbow-shift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

/* 主要内容区域 */
.main-content {
    flex: 1;
    padding: 0;
}

/* 英雄区域优化 */
.hero-section {
    background: linear-gradient(135deg, var(--crayon-blue) 0%, var(--crayon-purple) 50%, var(--crayon-pink) 100%);
    color: white;
    padding: 4rem 0 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 1;
}

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

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
    background: linear-gradient(45deg, #fff, #ffeb3b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-full);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

.feature-icon {
    font-size: 1.2rem;
}

.feature-text {
    font-weight: 600;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.2rem;
    border-radius: var(--border-radius-large);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 100px;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--sunny-yellow);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero-actions {
    margin-top: 1.5rem;
}

.hero-cta-btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--sunny-yellow), var(--crayon-orange));
    color: var(--text-color);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-full);
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-bounce);
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.1), 0 8px 20px rgba(0, 0, 0, 0.2);
    border: 3px solid var(--white);
}

.hero-cta-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 0 rgba(0, 0, 0, 0.1), 0 12px 30px rgba(0, 0, 0, 0.3);
}

.hero-cta-btn:active {
    transform: translateY(-2px) scale(1.02);
}

/* 侧边栏样式 */
.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 创作灵感主区域 */
.creation-inspiration {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: var(--border-radius-large);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.inspiration-carousel {
    margin-top: 1rem;
}

.tips-carousel {
    position: relative;
    height: 120px;
    overflow: hidden;
}

.tip-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-soft);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.tip-item.active {
    opacity: 1;
    transform: translateY(0);
}

.tip-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.tip-content {
    flex: 1;
    min-width: 0;
}

.tip-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sunny-yellow);
    margin-bottom: 0.5rem;
}

.tip-text {
    font-size: 0.9rem;
    color: var(--white);
    line-height: 1.4;
}

/* 主题分类 */
.theme-categories {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: var(--border-radius-large);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
    margin-top: 1rem;
}

.theme-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-soft);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.theme-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.theme-icon {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.theme-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
}

/* 创作小贴士 */
.creation-tips {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: var(--border-radius-large);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}

.tip-card {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-soft);
    transition: var(--transition);
}

.tip-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(3px);
}

.tip-card-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.tip-card-text {
    font-size: 0.85rem;
    color: var(--white);
    line-height: 1.4;
    flex: 1;
}

/* 英雄区域装饰 */
.hero-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-book,
.floating-star,
.floating-heart,
.floating-rainbow {
    position: absolute;
    font-size: 2rem;
    animation: bounce 3s ease-in-out infinite;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.2));
    opacity: 0.3;
}

.floating-book {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-star {
    top: 20%;
    right: 15%;
    animation-delay: 0.5s;
}

.floating-heart {
    bottom: 30%;
    left: 5%;
    animation-delay: 1s;
}

.floating-rainbow {
    bottom: 10%;
    right: 10%;
    animation-delay: 1.5s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    50% { transform: translateY(-20px) rotate(0deg); }
    75% { transform: translateY(-10px) rotate(-5deg); }
}

/* 故事区域 */
.stories-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.stories-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 加载状态 */
.loading-container {
    text-align: center;
    padding: 4rem 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-spinner.small {
    width: 30px;
    height: 30px;
    border-width: 3px;
}

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

.loading-text {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* 故事网格 */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* 故事卡片 */
.story-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
    border: 2px solid transparent;
}

.story-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.story-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.story-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.story-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--light-blue-bg), var(--light-purple-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-secondary);
}

.story-card-content {
    padding: 1.5rem;
}

.story-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-card-summary {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
}

.story-card-child {
    color: var(--primary-color);
    font-weight: 600;
}

.story-card-stats {
    color: var(--text-secondary);
}

.story-card-stat {
    margin-left: 1rem;
}

.story-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.story-card-date {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.story-card-action {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-soft);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: var(--transition);
}

.story-card-action:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-title {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.empty-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.empty-action-btn,
.create-story-btn {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-soft);
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.empty-action-btn:hover,
.create-story-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* 加载更多和无更多内容 */
.load-more-indicator,
.no-more-content {
    text-align: center;
    padding: 2rem;
}

.load-more-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.no-more-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* 页脚样式 */
footer {
    background-color: var(--crayon-blue);
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--white);
    border-top: 4px solid var(--crayon-yellow);
    margin-top: 3rem;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 -4px 0 rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    margin-bottom: 0.5rem;
    max-width: 100px;
    height: auto;
}

.footer-logo p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    opacity: 0.9;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--sunny-yellow);
}

.beian a {
    color: #007bff;
    text-decoration: none;
}

.copyright {
    margin: 0.5rem 0 0 0;
    opacity: 0.8;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    max-width: 400px;
    width: 90%;
    position: relative;
    z-index: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 0;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 1rem 1.5rem;
}

.modal-footer {
    padding: 0 1.5rem 1.5rem;
    text-align: right;
}

.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius-soft);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        padding: 0.8rem 1rem;
        flex-wrap: wrap;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .auth-section {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }

    .auth-section button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        justify-content: center;
        gap: 1rem;
    }

    .hero-stats {
        justify-content: center;
        gap: 1rem;
    }

    .hero-sidebar {
        order: -1;
        gap: 1.5rem;
    }

    .sidebar-title {
        font-size: 1.1rem;
        text-align: center;
    }

    .creation-inspiration,
    .theme-categories,
    .creation-tips {
        padding: 1rem;
    }

    .tips-carousel {
        height: 120px;
    }

    .tip-item {
        padding: 0.8rem;
    }

    .tip-title {
        font-size: 0.9rem;
    }

    .tip-text {
        font-size: 0.85rem;
    }

    .theme-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.6rem;
    }

    .theme-item {
        padding: 0.8rem 0.4rem;
    }

    .theme-icon {
        font-size: 1.5rem;
    }

    .theme-name {
        font-size: 0.75rem;
    }

    .tip-card {
        padding: 0.6rem;
        gap: 0.6rem;
    }

    .tip-card-text {
        font-size: 0.8rem;
    }

    .hero-decoration {
        display: none;
    }

    .hero-actions {
        margin-top: 1rem;
    }

    .stories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stories-container {
        padding: 0 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 2rem 0;
    }

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

    .hero-stats {
        align-items: center;
        gap: 1rem;
    }

    .stat-item {
        min-width: 80px;
        padding: 1rem;
    }

    .stories-container {
        padding: 0 0.5rem;
    }

    .hero-actions {
        margin-top: 1rem;
    }

    .hero-cta-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .creation-inspiration,
    .theme-categories,
    .creation-tips {
        padding: 0.8rem;
    }

    .tips-carousel {
        height: 120px;
    }

    .tip-item {
        padding: 0.6rem;
        gap: 0.8rem;
    }

    .tip-icon {
        font-size: 2rem;
    }

    .tip-title {
        font-size: 0.85rem;
    }

    .tip-text {
        font-size: 0.8rem;
    }

    .theme-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .theme-item {
        padding: 0.6rem 0.3rem;
    }

    .theme-icon {
        font-size: 1.3rem;
    }

    .theme-name {
        font-size: 0.7rem;
    }

    .tip-card {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .tip-card-icon {
        font-size: 1rem;
    }

    .tip-card-text {
        font-size: 0.75rem;
    }

    .story-card-image {
        height: 160px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.story-card {
    animation: fadeInUp 0.6s ease-out;
}

.story-card-image img {
    transition: var(--transition);
}

.story-card-image img.loaded {
    opacity: 1;
}