/* 京东风格的大页面布局 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.8;
    color: #333;
    overflow-x: hidden;
    font-size: 22px;
    background: #fafafa;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 60px;
}

/* 导航栏 - 京东风格 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    color: #e1251b;
    font-size: 3.2rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1.3rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #e1251b;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 3px;
    background: #e1251b;
    transition: width 0.3s ease;
}

/* 用户状态标识 */
.user-status {
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.user-role-badge {
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    background: #f0f0f0;
    color: #666;
    border: 2px solid #ddd;
    transition: all 0.3s ease;
}

/* 大使专属标志 - 更加尊贵 */
.user-role-badge.ambassador {
    background: linear-gradient(45deg, #ffd700, #ff8c00);
    color: #fff;
    border: 2px solid #fff;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    position: relative;
    overflow: hidden;
    animation: goldShimmer 3s infinite;
}

.user-role-badge.ambassador::before {
    content: '👑';
    margin-right: 5px;
}

/* 正在输入动画 */
.dot-flashing {
    position: relative;
    width: 10px;
    height: 10px;
    border-radius: 5px;
    background-color: #e1251b;
    color: #e1251b;
    animation: dotFlashing 1s infinite linear alternate;
    animation-delay: .5s;
    margin: 10px 20px;
}

.dot-flashing::before, .dot-flashing::after {
    content: '';
    display: inline-block;
    position: absolute;
    top: 0;
}

.dot-flashing::before {
    left: -15px;
    width: 10px;
    height: 10px;
    border-radius: 5px;
    background-color: #e1251b;
    color: #e1251b;
    animation: dotFlashing 1s infinite linear alternate;
    animation-delay: 0s;
}

.dot-flashing::after {
    left: 15px;
    width: 10px;
    height: 10px;
    border-radius: 5px;
    background-color: #e1251b;
    color: #e1251b;
    animation: dotFlashing 1s infinite linear alternate;
    animation-delay: 1s;
}

@keyframes dotFlashing {
    0% { background-color: #e1251b; }
    50%, 100% { background-color: #ebebeb; }
}

@keyframes goldShimmer {
    0% { filter: brightness(1); }
    50% { filter: brightness(1.2) contrast(1.1); }
    100% { filter: brightness(1); }
}

/* 作品卡片增强 */
.submission-card {
    cursor: pointer;
    overflow: hidden;
}

.submission-image-preview {
    width: 100%;
    height: 180px;
    background: #eee;
    border-radius: 12px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    object-fit: cover;
}

.submission-author {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.author-avatar {
    width: 24px;
    height: 24px;
    background: #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

/* AI 创作结果图片样式 */
.ai-generated-img {
    width: 100%;
    max-height: 300px;
    border-radius: 15px;
    object-fit: cover;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 35px;
    height: 4px;
    background: #333;
    margin: 5px 0;
    transition: 0.3s;
}

/* 主页英雄区域 - 京东风格 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #e1251b 0%, #c41511 100%);
    position: relative;
    overflow: hidden;
    padding: 180px 60px 120px;
}

.hero-content {
    flex: 1;
    padding: 0 5%;
    z-index: 2;
}

.hero-title {
    font-size: 6rem;
    color: white;
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.3s both;
    line-height: 1.7;
    max-width: 800px;
}

.cta-button {
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    color: white;
    border: none;
    padding: 25px 50px;
    font-size: 1.4rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.6s both;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-image {
    flex: 1;
    position: relative;
    height: 100vh;
}

.floating-elements {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.element {
    position: absolute;
    font-size: 6rem;
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-40px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用标题样式 - 京东风格 */
.section-title {
    text-align: center;
    font-size: 3.5rem;
    color: #333;
    margin-bottom: 5rem;
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(45deg, #e1251b, #ff6b35);
}

/* 关于我们部分 - 京东风格 */
.about {
    padding: 120px 0;
    background: #fff;
}

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

.about-text {
    max-width: 1000px;
    margin: 0 auto 4rem;
    font-size: 1.4rem;
    color: #666;
    line-height: 1.9;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.feature {
    background: white;
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid #eee;
}

.feature:hover {
    transform: translateY(-20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 5rem;
    margin-bottom: 2rem;
}

.feature h3 {
    color: #e1251b;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
}

.feature p {
    font-size: 1.2rem;
    line-height: 1.8;
}

/* 文化展示部分 - 京东风格 */
.culture {
    padding: 120px 0;
    background: #f8f8f8;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.culture-card {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.culture-card:hover {
    transform: translateY(-20px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.card-image {
    height: 300px;
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    font-size: 6rem;
    color: white;
}

.card-content {
    padding: 2.5rem;
}

.card-content h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.card-content p {
    color: #666;
    margin-bottom: 2.5rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.learn-more {
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
}

.learn-more:hover {
    transform: translateX(8px);
}

/* 共创平台部分 - 京东风格 */
.create {
    padding: 120px 0;
    background: white;
}

.create-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    font-size: 1.4rem;
    color: #666;
    line-height: 1.9;
}

.create-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.option-card {
    background: white;
    padding: 3rem;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.option-card:hover {
    transform: translateY(-20px);
}

.option-icon {
    font-size: 5rem;
    margin-bottom: 2rem;
}

.option-card h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
}

.option-card p {
    color: #666;
    margin-bottom: 2.5rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.option-btn {
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
}

.option-btn:hover {
    transform: scale(1.05);
}

/* 创作表单样式 - 京东风格 */
.create-form {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.form-container {
    background: white;
    padding: 3rem;
    border-radius: 25px;
    max-width: 700px;
    width: 90%;
    position: relative;
}

.close-form {
    position: absolute;
    top: 25px;
    right: 30px;
    font-size: 3rem;
    cursor: pointer;
    color: #999;
}

.close-form:hover {
    color: #333;
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
    font-size: 1.2rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 18px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1.2rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e1251b;
}

.submit-btn {
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    width: 100%;
    font-weight: 600;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(225, 37, 27, 0.3);
}

/* 联系我们部分 - 京东风格 */
.contact {
    padding: 120px 0;
    background: #f8f8f8;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

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

.info-icon {
    font-size: 3rem;
    color: #e1251b;
}

.info-text h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.info-text p {
    color: #666;
    font-size: 1.2rem;
}

/* 页脚样式 - 京东风格 */
.footer {
    background: #2c2c2c;
    color: white;
    padding: 5rem 0 2rem;
}

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

.footer-section h4 {
    color: #e1251b;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 1rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.2rem;
}

.footer-section a:hover {
    color: #e1251b;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid #555;
    color: #ccc;
    font-size: 1.2rem;
}

/* 响应式设计 - 大屏幕优化 */
@media (max-width: 768px) {
    body {
        font-size: 18px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .nav-logo h1 {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 100px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 180px;
    }

    .hero-image {
        height: 50vh;
        margin-top: 3rem;
    }

    .element {
        font-size: 4rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

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

    .create-options {
        grid-template-columns: 1fr;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
}

/* AI 助手样式 */
.ai-trigger {
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1500;
    transition: all 0.3s ease;
}

.ai-trigger:hover {
    transform: scale(1.05) translateY(-5px);
}

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

.ai-modal {
    position: fixed;
    right: 30px;
    bottom: 100px;
    width: 400px;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    z-index: 1501;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

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

.ai-chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ai-chat-header {
    background: #e1251b;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.close-ai {
    cursor: pointer;
    font-size: 2rem;
}

.ai-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #f9f9f9;
}

.message {
    padding: 12px 18px;
    border-radius: 15px;
    max-width: 80%;
    font-size: 1.1rem;
    line-height: 1.5;
}

.ai-message {
    background: white;
    align-self: flex-start;
    border: 1px solid #eee;
}

.user-message {
    background: #e1251b;
    color: white;
    align-self: flex-end;
}

.ai-chat-input {
    padding: 20px;
    display: flex;
    gap: 10px;
    border-top: 1px solid #eee;
}

.ai-chat-input input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
}

.ai-chat-input button {
    background: #e1251b;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
}

/* 支付弹窗样式 */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.payment-container {
    background: white;
    width: 100%;
    max-width: 550px;
    border-radius: 25px;
    padding: 40px;
    position: relative;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-payment {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2.5rem;
    cursor: pointer;
    color: #ccc;
}

.payment-header {
    text-align: center;
    margin-bottom: 30px;
}

.payment-header h2 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 10px;
}

.order-summary {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.order-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.amount {
    color: #e1251b;
    font-weight: 700;
    font-size: 1.4rem;
}

.payment-methods h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.method-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.method-item input {
    display: none;
}

.method-box {
    border: 2px solid #eee;
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.method-item input:checked + .method-box {
    border-color: #e1251b;
    background: #fff5f5;
}

.method-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 5px;
}

.pay-confirm-btn {
    width: 100%;
    padding: 18px;
    background: #e1251b;
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pay-confirm-btn:hover {
    background: #c41511;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(225, 37, 27, 0.2);
}

/* AI 创作弹窗样式 */
.ai-modal-large {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2800;
}

.ai-creation-container {
    background: white;
    width: 90%;
    max-width: 1000px;
    border-radius: 30px;
    padding: 50px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-ai-creation {
    position: absolute;
    top: 25px;
    right: 30px;
    font-size: 2.5rem;
    cursor: pointer;
    color: #ccc;
}

.ai-creation-header {
    text-align: center;
    margin-bottom: 40px;
}

.ai-creation-header h2 {
    font-size: 2.5rem;
    color: #e1251b;
    margin-bottom: 10px;
}

.creation-input-area {
    margin-bottom: 40px;
}

.creation-input-area textarea {
    width: 100%;
    padding: 20px;
    border: 2px solid #eee;
    border-radius: 20px;
    font-size: 1.2rem;
    margin-bottom: 10px;
    resize: none;
}

/* 快捷提示词样式 */
.prompt-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.prompt-tag {
    background: #f5f5f5;
    color: #666;
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.prompt-tag:hover {
    background: #e1251b;
    color: white;
    border-color: #e1251b;
    transform: translateY(-2px);
}

.creation-options {
    display: flex;
    gap: 20px;
}

.creation-options select {
    flex: 1;
    padding: 15px;
    border-radius: 15px;
    border: 2px solid #eee;
    font-size: 1.1rem;
}

.generate-btn {
    padding: 15px 40px;
    background: linear-gradient(45deg, #e1251b, #ff6b35);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
}

.creation-result-area {
    background: #f8f8f8;
    border-radius: 25px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #ddd;
    position: relative;
}

.creation-loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #e1251b;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

/* 删除按钮样式 */
.delete-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.05);
    color: #999;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.delete-btn:hover {
    background: #e1251b;
    color: white;
}

@media (max-width: 480px) {
    .ai-modal {
        width: 90%;
        right: 5%;
        left: 5%;
        bottom: 90px;
    }
}

/* 会员计划样式 */
.pricing {
    padding: 120px 0;
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.pricing-card {
    background: white;
    padding: 4rem 3rem;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid #e1251b;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-20px);
}

.pricing-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #e1251b;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #e1251b;
    margin-bottom: 2.5rem;
}

.price span {
    font-size: 1.2rem;
    color: #999;
}

.pricing-features {
    list-style: none;
    margin-bottom: 3rem;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 1.2rem;
    color: #666;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: '✓';
    color: #e1251b;
    font-weight: bold;
}

.pricing-btn {
    width: 100%;
    padding: 18px;
    border-radius: 50px;
    border: 2px solid #e1251b;
    background: transparent;
    color: #e1251b;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    background: #e1251b;
    color: white;
}

.featured-btn {
    background: #e1251b;
    color: white;
}

.featured-btn:hover {
    background: #c41511;
}

/* 文化详情弹窗样式 */
.culture-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
    padding: 20px;
}

.culture-detail-container {
    background: white;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    border-radius: 30px;
    position: relative;
    overflow-y: auto;
    padding: 60px;
}

.close-culture {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 3rem;
    cursor: pointer;
    color: #999;
    z-index: 10;
}

.culture-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.culture-detail-header h2 {
    font-size: 3rem;
    color: #e1251b;
    margin-bottom: 20px;
}

.culture-detail-image {
    width: 100%;
    height: 400px;
    background: #f0f0f0;
    border-radius: 20px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

.culture-detail-body {
    font-size: 1.3rem;
    line-height: 2;
    color: #444;
}

.culture-detail-body p {
    margin-bottom: 20px;
}

.culture-detail-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.culture-detail-section h4 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 20px;
}

/* 共创记录样式 */
.community-submissions {
    margin-top: 80px;
}

.subsection-title {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 40px;
}

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

.submission-card {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 20px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

.submission-card:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.submission-card h4 {
    color: #e1251b;
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.submission-category {
    display: inline-block;
    background: #ffebee;
    color: #e1251b;
    padding: 4px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.submission-content {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

.no-submissions {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    padding: 40px;
    font-size: 1.2rem;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .cta-button {
        padding: 20px 35px;
        font-size: 1.2rem;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .nav-logo h1 {
        font-size: 2rem;
    }
}