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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary, #2d3748);
    background-color: var(--bg-secondary, #f7fafc);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
}

.hero-content {
    padding: 2rem 0;
}

.hero-image {
    padding: 2rem 0;
}

.hero-img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.12));
    animation: float 6s ease-in-out infinite;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 992px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

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

/* 导航栏 */
.navbar {
    background: var(--bg-primary, #ffffff);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 1rem 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-light, #e2e8f0);
}

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

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar .logo span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .logo .logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

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

.navbar .nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
    margin: 0;
}

.navbar .nav-links a {
    text-decoration: none;
    color: var(--text-secondary, #718096);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.navbar .nav-links a:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-color, #667eea);
    transform: translateY(-1px);
}

/* 表单样式 */
.form-container {
    max-width: 400px;
    margin: 2rem auto;
    background: var(--bg-primary, #ffffff);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-light, #e2e8f0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-light, #e2e8f0);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #2d3748);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1), 0 0 0 1px var(--primary-color, #667eea);
    transform: translateY(-1px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: linear-gradient(135deg, #718096, #a0aec0);
    box-shadow: 0 4px 12px rgba(113, 128, 150, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(113, 128, 150, 0.4);
    filter: brightness(1.1);
}

.btn-danger {
    background: linear-gradient(135deg, #f56565, #e53e3e);
    box-shadow: 0 4px 12px rgba(245, 101, 101, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 101, 101, 0.4);
    filter: brightness(1.1);
}

/* 文章列表 */
.article-list {
    background: var(--bg-primary, #ffffff);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-light, #e2e8f0);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-item {
    padding: 1.75rem;
    border-bottom: 1px solid var(--border-light, #e2e8f0);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03), rgba(118, 75, 162, 0.03));
    transform: translateX(4px);
}

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

.article-info h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary, #2d3748);
    font-weight: 700;
    font-size: 1.125rem;
}

.article-info .meta {
    color: var(--text-secondary, #718096);
    font-size: 0.875rem;
    font-weight: 500;
}

.article-actions {
    display: flex;
    gap: 0.5rem;
}

.article-actions a,
.article-actions button {
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* 编辑器样式 */
.editor-container {
    background: var(--bg-primary, #ffffff);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-light, #e2e8f0);
    padding: 2.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.editor-container textarea {
    min-height: 400px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    resize: vertical;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-container {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .article-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* 消息提示 */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-success {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1), rgba(56, 161, 105, 0.1));
    border: 1px solid rgba(72, 187, 120, 0.2);
    color: var(--success-color, #48bb78);
    border-radius: 12px;
}

.alert-error {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.1), rgba(229, 62, 62, 0.1));
    border: 1px solid rgba(245, 101, 101, 0.2);
    color: #e53e3e;
    border-radius: 12px;
}

.alert-info {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.2);
    color: var(--primary-color, #667eea);
    border-radius: 12px;
}

/* 表单内消息提示 */
.form-message {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.form-message.show {
    display: block;
}

/* 平台选择弹窗 */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background: var(--bg-primary, #ffffff);
    margin: 15% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-light, #e2e8f0);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #000;
}

.modal-body {
    padding: 1.5rem;
}

.platform-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.75rem 1.25rem;
    border: 2px solid var(--border-light, #e2e8f0);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    background: var(--bg-primary, #ffffff);
}

.platform-item:hover {
    border-color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.platform-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.platform-item span {
    font-weight: 600;
    color: var(--text-primary, #2d3748);
    font-size: 0.875rem;
}

/* 公共页面布局样式 */
.main-content-public {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}


/* 用户菜单样式 */
.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-light, #e2e8f0);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.user-info:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-color: var(--primary-color, #667eea);
    transform: translateY(-1px);
}

.user-name {
    color: var(--text-primary, #2d3748);
    font-weight: 600;
    font-size: 0.875rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-light, #e2e8f0);
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    min-width: 180px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-info:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-secondary, #718096);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    margin: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.dropdown-item:first-child {
    margin-top: 0.5rem;
}

.dropdown-item:last-child {
    margin-bottom: 0.5rem;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-color, #667eea);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
}

/* 退出登录按钮样式 - 与base.html保持一致 */
.logout-form {
    display: inline;
    width: 100%;
}

.logout-form .dropdown-item {
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    width: 100%;
    font: inherit;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin: 0.25rem;
    text-decoration: none;
    color: var(--text-secondary, #718096);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
}

.logout-form .dropdown-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-color, #667eea);
}

/* 页脚样式 */
.footer {
    background: var(--bg-primary, #ffffff);
    border-top: 1px solid var(--border-light, #e2e8f0);
    margin-top: 4rem;
    padding: 3rem 0 1.5rem;
    color: var(--text-secondary, #718096);
}

.footer .row {
    margin-bottom: 2rem;
}

.footer h4 {
    color: var(--text-primary, #2d3748);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    color: var(--text-secondary, #718096);
    line-height: 1.7;
    font-size: 0.9rem;
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer ul li a {
    color: var(--text-secondary, #718096);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer ul li a:hover {
    color: var(--primary-color, #667eea);
    transform: translateX(4px);
}

.footer ul li a i {
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid var(--border-light, #e2e8f0);
    padding-top: 1.5rem;
}

.footer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-info p {
    margin: 0;
    color: var(--text-secondary, #718096);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-links a {
    color: var(--text-secondary, #718096);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-links a:hover {
    color: var(--primary-color, #667eea);
}

.footer-links span {
    color: var(--border-light, #e2e8f0);
}

/* 响应式页脚 */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer .row {
        margin-bottom: 1.5rem;
    }

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

/* 自定义样式 */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    transition: all 0.3s ease;
}

.platform-icon.juejin {
    background: linear-gradient(135deg, #1e7fff, #0066cc);
    font-size: 2rem;
}

.platform-icon.csdn {
    background: linear-gradient(135deg, #fc5531, #e94625);
    font-size: 1.5rem;
}

.platform-icon.more {
    background: linear-gradient(135deg, #667eea, #764ba2);
    font-size: 1.2rem;
}

/* 悬停效果 */
.feature-card {
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.15);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.platform-card {
    transition: all 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.platform-card:hover .platform-icon {
    transform: scale(1.1);
}

/* 平台列表样式 */
.platforms-list {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--bg-primary, #ffffff);
    border-radius: 12px;
    border: 1px solid var(--border-light, #e2e8f0);
    transition: all 0.3s ease;
    min-width: 120px;
    text-align: center;
}

.platform-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.platform-item .platform-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.platform-icon-img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.platform-icon-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 2px dashed var(--border-light, #e2e8f0);
    color: var(--text-secondary, #718096);
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.platform-item.coming-soon .platform-icon-placeholder {
    border-color: var(--text-muted, #a0aec0);
}

.platform-item.coming-soon:hover .platform-icon-placeholder {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border-color: var(--primary-color, #667eea);
    color: var(--primary-color, #667eea);
}

.platform-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.platform-name {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary, #2d3748);
}

.platform-desc {
    font-size: 0.85rem;
    color: var(--text-secondary, #718096);
}

.platform-item.coming-soon {
    opacity: 0.7;
}

.platform-item.coming-soon:hover {
    opacity: 0.9;
}

/* 响应式平台列表 */
@media (max-width: 768px) {
    .platforms-list {
        gap: 1rem;
    }

    .platform-item {
        min-width: 100px;
        padding: 1rem 0.75rem;
    }

    .platform-item:hover {
        transform: translateY(-3px);
    }
}


/* 使用步骤样式 */
.step-container {
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    z-index: 10;
}

.step-number-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    color: white;
    font-size: 0.9rem;
    font-weight: bold;
    margin-right: 8px;
}

.step-icon {
    font-size: 3rem;
    opacity: 0.8;
}