/* ChainlessChain 网站样式增强 - 紧凑美化版 */

/* ==========================================
   1. 全局优化 - 更紧凑的间距
   ========================================== */
section {
    padding: 60px 0 !important;
}

.section-header {
    margin-bottom: 40px !important;
}

.section-title {
    font-size: 32px !important;
    margin-bottom: 12px !important;
}

.section-subtitle {
    font-size: 16px !important;
}

/* ==========================================
   2. 卡片统一样式 - 更现代的设计
   ========================================== */
.product-card,
.download-card,
.feature-item,
.scenario-card,
.version-card,
.benefit-card {
    border-radius: 12px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
}

.product-card:hover,
.download-card:hover,
.feature-item:hover,
.scenario-card:hover {
    transform: translateY(-6px) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12) !important;
    border-color: var(--primary-color) !important;
}

/* ==========================================
   3. 按钮优化 - 统一风格
   ========================================== */
.btn-primary,
.btn-hero-primary,
.btn-product-primary,
.btn-download,
.btn-submit {
    background: linear-gradient(135deg, #1890ff 0%, #0050b3 100%) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3) !important;
    font-weight: 600 !important;
    letter-spacing: 0.3px;
}

.btn-primary:hover,
.btn-hero-primary:hover,
.btn-product-primary:hover,
.btn-download:hover,
.btn-submit:hover {
    background: linear-gradient(135deg, #0050b3 0%, #003a8c 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(24, 144, 255, 0.4) !important;
}

.btn-outline,
.btn-hero-secondary,
.btn-product-outline {
    border: 2px solid var(--primary-color) !important;
    font-weight: 600 !important;
    background: white !important;
    color: var(--primary-color) !important;
    transition: all 0.3s ease !important;
}

.btn-outline:hover,
.btn-hero-secondary:hover,
.btn-product-outline:hover {
    background: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3) !important;
}

/* ==========================================
   4. 定价卡片特别优化
   ========================================== */
.version-card {
    padding: 32px 28px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
}

.version-card.highlight {
    border: 2px solid #1890ff !important;
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15) !important;
}

.version-card h3 {
    font-size: 24px !important;
    margin-bottom: 16px !important;
}

.version-card .price {
    font-size: 28px !important;
    margin-bottom: 20px !important;
}

.version-card .features li {
    padding: 10px 0 !important;
    font-size: 14px !important;
}

/* ==========================================
   5. 下载区域优化
   ========================================== */
.download-card {
    padding: 28px 24px !important;
}

.download-icon {
    font-size: 52px !important;
    margin-bottom: 12px !important;
}

.download-card h3 {
    font-size: 20px !important;
    margin-bottom: 10px !important;
}

/* ==========================================
   6. Hero区域优化 - 更紧凑
   ========================================== */
.hero {
    min-height: 85vh !important;
    padding-top: 100px !important;
}

.hero-title {
    font-size: 48px !important;
    margin-bottom: 20px !important;
}

.hero-subtitle {
    font-size: 18px !important;
    margin-bottom: 32px !important;
}

.hero-stats {
    margin-top: 48px !important;
    gap: 32px !important;
}

/* ==========================================
   7. 功能特性网格优化
   ========================================== */
.features-grid,
.scenarios-grid {
    gap: 24px !important;
}

.feature-item,
.scenario-card {
    padding: 28px 24px !important;
}

.feature-icon,
.scenario-icon {
    font-size: 48px !important;
    margin-bottom: 16px !important;
}

/* ==========================================
   8. 技术栈标签优化
   ========================================== */
.tech-tag {
    padding: 6px 14px !important;
    font-size: 13px !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.25) !important;
}

.tech-tag:hover {
    transform: translateY(-1px) scale(1.05) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35) !important;
}

/* ==========================================
   9. 统计数据卡片优化
   ========================================== */
.stat-card,
.tech-stat-item {
    padding: 32px 24px !important;
}

.stat-card .stat-number,
.tech-stat-item .stat-value {
    font-size: 36px !important;
}

/* ==========================================
   10. FAQ区域优化
   ========================================== */
.faq-item {
    padding: 20px 24px !important;
}

.faq-question {
    font-size: 16px !important;
    margin-bottom: 12px !important;
}

/* ==========================================
   11. 企业版Spotlight优化
   ========================================== */
.enterprise-spotlight {
    padding: 80px 0 !important;
}

.benefit-card {
    padding: 32px 28px !important;
}

.benefit-card h3 {
    font-size: 22px !important;
    margin-bottom: 14px !important;
}

/* ==========================================
   12. 导航栏优化
   ========================================== */
.nav-wrapper {
    padding: 12px 0 !important;
}

.nav-menu {
    gap: 24px !important;
}

/* ==========================================
   13. 响应式优化
   ========================================== */
@media (max-width: 768px) {
    section {
        padding: 40px 0 !important;
    }

    .section-title {
        font-size: 26px !important;
    }

    .hero-title {
        font-size: 32px !important;
    }

    .version-card,
    .benefit-card {
        padding: 24px 20px !important;
    }
}

/* ==========================================
   14. 动画优化 - 更流畅
   ========================================== */
* {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ==========================================
   15. 色彩增强
   ========================================== */
:root {
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
}

/* 渐变背景优化 */
.hero-gradient,
.enterprise-spotlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%) !important;
}

/* ==========================================
   16. 文字排版优化
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600 !important;
    line-height: 1.3 !important;
    letter-spacing: -0.02em;
}

p, li, span {
    line-height: 1.7 !important;
}

/* ==========================================
   17. 图标优化
   ========================================== */
.feature-icon,
.scenario-icon,
.download-icon,
.benefit-card .icon {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* ==========================================
   18. 边框和分隔线优化
   ========================================== */
.version-card::before,
.product-card::before {
    height: 3px !important;
}

/* ==========================================
   19. 悬浮效果统一
   ========================================== */
a, button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ==========================================
   20. 表格优化
   ========================================== */
.comparison-table th,
.comparison-table td {
    padding: 16px 20px !important;
}

/* ==========================================
   21. 快速下载区域特别优化
   ========================================== */
.quick-download {
    padding: 32px 40px !important;
    margin-bottom: 48px !important;
}

/* ==========================================
   22. 价格突出显示
   ========================================== */
.version-card .price {
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.1), rgba(24, 144, 255, 0.05));
    padding: 12px 20px;
    border-radius: 8px;
    display: inline-block;
    margin-bottom: 24px !important;
}

/* ==========================================
   23. 特色徽章优化
   ========================================== */
.featured-badge,
.version-card.highlight .badge {
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4) !important;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ==========================================
   24. 输入框和表单优化
   ========================================== */
.form-group input,
.form-group textarea {
    padding: 10px 14px !important;
    border-radius: 6px !important;
}

.form-group input:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.1) !important;
}

/* ==========================================
   25. 页脚优化
   ========================================== */
.footer {
    padding: 48px 0 16px !important;
}

.footer-content {
    gap: 32px !important;
    margin-bottom: 32px !important;
}

/* ==========================================
   26. 版本对比卡片按钮优化
   ========================================== */
.version-cta {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-version-primary {
    flex: 1;
    padding: 14px 28px !important;
    background: linear-gradient(135deg, #1890ff 0%, #0050b3 100%) !important;
    color: white !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3) !important;
    letter-spacing: 0.5px;
}

.btn-version-primary:hover {
    background: linear-gradient(135deg, #0050b3 0%, #003a8c 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(24, 144, 255, 0.45) !important;
}

.btn-version-outline {
    flex: 1;
    padding: 14px 28px !important;
    background: white !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    border-radius: 8px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.btn-version-outline:hover {
    background: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3) !important;
}

/* 箭头动画 */
.btn-version-outline:hover::after {
    content: ' →';
    display: inline-block;
    transition: transform 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .version-cta {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-version-primary,
    .btn-version-outline {
        width: 100% !important;
    }
}

/* ==========================================
   27. 企业版Spotlight步骤和按钮优化
   ========================================== */
.step-number {
    width: 60px !important;
    height: 60px !important;
    background: rgba(255, 255, 255, 0.25) !important;
    backdrop-filter: blur(10px) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 28px !important;
    font-weight: 700 !important;
    color: white !important;
    margin: 0 auto 16px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    transition: all 0.3s ease !important;
}

.step:hover .step-number {
    background: rgba(255, 255, 255, 0.35) !important;
    transform: scale(1.1) !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
}

.step-content strong {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: white !important;
    display: block !important;
    margin-bottom: 6px !important;
}

.step-content p {
    font-size: 14px !important;
    color: rgba(255, 255, 255, 0.85) !important;
    line-height: 1.6 !important;
}

/* Spotlight按钮优化 */
.btn-spotlight-primary {
    padding: 18px 40px !important;
    background: white !important;
    color: var(--secondary-color) !important;
    border: none !important;
    border-radius: 10px !important;
    font-size: 18px !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3) !important;
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 4px !important;
}

.btn-spotlight-primary:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 28px rgba(255, 255, 255, 0.4) !important;
    background: #ffffff !important;
}

.btn-spotlight-primary .sub {
    font-size: 13px !important;
    font-weight: 400 !important;
    opacity: 0.8 !important;
}

.btn-spotlight-outline {
    padding: 18px 40px !important;
    background: transparent !important;
    color: white !important;
    border: 2px solid white !important;
    border-radius: 10px !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.btn-spotlight-outline:hover {
    background: white !important;
    color: var(--secondary-color) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3) !important;
}

/* ==========================================
   28. 技术文档区域美化
   ========================================== */
.doc-link-card {
    background: white !important;
    padding: 32px 28px !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
    text-align: center !important;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 2px solid transparent !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
}

.doc-link-card:hover {
    border-color: var(--primary-color) !important;
    transform: translateY(-6px) !important;
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15) !important;
}

.doc-link-card .doc-icon {
    font-size: 48px !important;
    margin-bottom: 16px !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1)) !important;
    transition: transform 0.3s ease !important;
}

.doc-link-card:hover .doc-icon {
    transform: scale(1.15) !important;
}

.doc-link-card .doc-title {
    font-size: 18px !important;
    font-weight: 600 !important;
    margin-bottom: 10px !important;
    color: var(--text-primary) !important;
}

.doc-link-card .doc-desc {
    font-size: 14px !important;
    color: var(--text-secondary) !important;
    line-height: 1.6 !important;
}

/* 技术文档图标特殊样式 */
.doc-link-card:nth-child(1) .doc-icon {
    color: #1890ff;
}

.doc-link-card:nth-child(2) .doc-icon {
    color: #52c41a;
}

.doc-link-card:nth-child(3) .doc-icon {
    color: #fa8c16;
}

/* ==========================================
   29. 开源仓库卡片优化
   ========================================== */
.opensource-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08)) !important;
    padding: 40px 36px !important;
    border-radius: 12px !important;
    border: 2px solid rgba(102, 126, 234, 0.25) !important;
    transition: all 0.3s ease !important;
}

.opensource-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2) !important;
    border-color: rgba(102, 126, 234, 0.4) !important;
}

.opensource-card h3 {
    font-size: 24px !important;
    margin-bottom: 20px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    color: var(--text-primary) !important;
}

.opensource-card h3 .icon {
    font-size: 32px !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1)) !important;
}

.repo-link {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 12px 24px !important;
    background: white !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.repo-link:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12) !important;
    background: var(--primary-color) !important;
    color: white !important;
}

/* ==========================================
   30. 步骤容器整体优化
   ========================================== */
.setup-steps,
.steps {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 30px !important;
    margin-top: 40px !important;
}

.step-item,
.step {
    text-align: center !important;
    transition: all 0.3s ease !important;
}

.step-item:hover,
.step:hover {
    transform: translateY(-4px) !important;
}

.step-title {
    font-size: 18px !important;
    font-weight: 600 !important;
    margin-bottom: 8px !important;
    color: white !important;
}

.step-desc {
    font-size: 14px !important;
    color: rgba(255, 255, 255, 0.8) !important;
    line-height: 1.6 !important;
}

/* 响应式 */
@media (max-width: 768px) {
    .setup-steps,
    .steps {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .btn-spotlight-primary,
    .btn-spotlight-outline {
        width: 100% !important;
        padding: 16px 32px !important;
        font-size: 16px !important;
    }
}

/* ==========================================
   31. Hero主按钮文字颜色修复
   ========================================== */
.btn-hero-primary,
.btn-hero-primary .btn-icon,
.btn-hero-primary .btn-sub {
    color: white !important;
}