/* BT整站下载管家 - 现代化网站样式 */

/* ===== 全局变量 ===== */
:root {
    --primary-color: #059669;
    --primary-hover: #047857;
    --secondary-color: #f97316;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --bg-primary: #111827;
        --bg-secondary: #1f2937;
        --bg-card: #1f2937;
        --border-color: #374151;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 导航栏 ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(31, 41, 55, 0.8);
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    z-index: 10;
    position: relative;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .nav-links {
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
}

@media (max-width: 968px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.875rem;
    }
    
    .nav-download-btn {
        padding: 0.4rem 1rem !important;
        font-size: 0.875rem !important;
    }
}

.nav-links > li {
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
    white-space: nowrap;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Mega Menu 样式 - 水平平铺 */
.features-mega-menu {
    position: relative;
}

.features-mega-menu > a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s;
    display: inline-block;
}

.features-mega-menu:hover > a .dropdown-arrow {
    transform: rotate(180deg);
}

.mega-menu-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem 2rem;
    min-width: 800px;
    max-width: calc(100vw - 2rem);
    width: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    pointer-events: none;
    box-sizing: border-box;
}

.features-mega-menu:hover .mega-menu-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.mega-menu-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: nowrap;
    width: 100%;
}

.mega-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    flex: 1 1 0;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.mega-menu-item:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.mega-menu-icon {
    font-size: 2rem;
    line-height: 1;
    display: block;
    flex-shrink: 0;
    width: 100%;
    text-align: center;
}

.mega-menu-text {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    line-height: 1.2;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    word-break: keep-all;
}

/* 中等屏幕优化 */
@media (max-width: 1200px) and (min-width: 1025px) {
    .mega-menu-content {
        min-width: 700px;
        padding: 1.25rem 1.5rem;
    }
    
    .mega-menu-grid {
        gap: 0.5rem;
    }
    
    .mega-menu-item {
        padding: 0.875rem 0.375rem;
    }
    
    .mega-menu-icon {
        font-size: 1.75rem;
    }
    
    .mega-menu-text {
        font-size: 0.8rem;
    }
}

/* 下载按钮样式 */
.nav-download-btn {
    background: var(--primary-color) !important;
    color: white !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
}

.nav-download-btn:hover {
    background: var(--primary-hover) !important;
    color: white !important;
    transform: translateY(-1px);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端菜单 */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
        position: relative;
        z-index: 10;
        grid-column: 3;
    }
    
    .nav-container {
        grid-template-columns: auto 1fr auto;
        padding: 0 1.5rem;
        gap: 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        transform: none;
        margin: 0;
        width: 100%;
        box-sizing: border-box;
    }
    
    .nav-links.active {
        max-height: 100vh;
        overflow-y: auto;
    }
    
    .nav-links > li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links > li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem;
        width: 100%;
    }
    
    .nav-download-btn {
        margin-top: 0.5rem;
    }
    
    /* 移动端 Mega Menu - 完全重置桌面端样式 */
    .features-mega-menu .mega-menu-content {
        position: static !important;
        left: auto !important;
        top: auto !important;
        transform: none !important;
        min-width: 100% !important;
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0.5rem !important;
        opacity: 0;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        border: none !important;
        box-shadow: none !important;
        background: var(--bg-secondary) !important;
        box-sizing: border-box !important;
        visibility: visible !important;
        pointer-events: none;
    }
    
    .features-mega-menu:hover .mega-menu-content,
    .features-mega-menu.active .mega-menu-content {
        opacity: 1 !important;
        max-height: 600px !important;
        margin-top: 0.5rem !important;
        padding: 0.75rem !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius-md) !important;
        overflow-y: auto !important;
        pointer-events: auto !important;
        transform: none !important;
        visibility: visible !important;
    }
    
    .features-mega-menu .mega-menu-grid {
        flex-direction: column !important;
        justify-content: flex-start !important;
        align-items: stretch !important;
        gap: 0 !important;
        width: 100% !important;
        display: flex !important;
        flex-wrap: nowrap !important;
    }
    
    .features-mega-menu .mega-menu-item {
        flex-direction: row !important;
        justify-content: flex-start !important;
        align-items: center !important;
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        padding: 0.875rem 1rem !important;
        text-align: left !important;
        flex-shrink: 0 !important;
        flex: 0 0 auto !important;
        box-sizing: border-box !important;
        border-bottom: 1px solid var(--border-color) !important;
        border-radius: 0 !important;
        gap: 0.875rem !important;
    }
    
    .features-mega-menu .mega-menu-item:hover {
        transform: none !important;
        background: rgba(5, 150, 105, 0.1) !important;
    }
    
    .features-mega-menu .mega-menu-item:last-child {
        border-bottom: none !important;
    }
    
    .features-mega-menu .mega-menu-icon {
        font-size: 1.5rem !important;
        line-height: 1 !important;
        margin-right: 0.875rem !important;
        margin-left: 0 !important;
        flex-shrink: 0 !important;
        min-width: 1.5rem !important;
        width: auto !important;
        max-width: none !important;
        text-align: center !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .features-mega-menu .mega-menu-text {
        font-size: 0.9rem !important;
        font-weight: 500 !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        text-overflow: clip !important;
        overflow: visible !important;
        flex: 1 !important;
        min-width: 0 !important;
        max-width: 100% !important;
        line-height: 1.4 !important;
        text-align: left !important;
        width: auto !important;
    }
}

/* ===== 英雄区域 ===== */
.hero {
    background: linear-gradient(135deg, #059669 0%, #047857 50%, #f97316 100%);
    color: white;
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: gradientMove 15s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, -20px) scale(1.1); }
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255, 255, 255, 0.3), transparent);
    background-size: 200% 200%;
    animation: particlesMove 20s linear infinite;
    opacity: 0.6;
}

@keyframes particlesMove {
    0% { background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%; }
    100% { background-position: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%; }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #d1fae5 50%, #fed7aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.hero-stats {
    display: flex;
    gap: 4rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #d1fae5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-indicator svg {
    animation: scrollDown 2s ease infinite;
}

@keyframes scrollDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 功能卡片网格 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(5, 150, 105, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(5, 150, 105, 0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(5, 150, 105, 0.4);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.feature-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.875rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.feature-card:hover .tag {
    background: rgba(5, 150, 105, 0.1);
    color: var(--primary-color);
    border-color: rgba(5, 150, 105, 0.2);
}

.tag.vip {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

/* ===== 功能详情页 ===== */
.feature-detail {
    max-width: 900px;
    margin: 0 auto;
}

.feature-header {
    text-align: center;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.feature-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.feature-content {
    line-height: 1.8;
}

.feature-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.feature-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

.feature-content ul,
.feature-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.feature-content li {
    margin-bottom: 0.75rem;
}

.feature-content code {
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
}

.feature-content pre {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.feature-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(249, 115, 22, 0.1));
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
}

.highlight-box.warning {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.1));
    border-left-color: var(--accent-color);
}

.highlight-box.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    border-left-color: var(--success-color);
}

/* ===== 更新日志页面 ===== */
.update-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 2rem;
}

.update-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.update-item {
    position: relative;
    padding-bottom: 3rem;
    padding-left: 2rem;
}

.update-item::before {
    content: '';
    position: absolute;
    left: -1.625rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.update-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.update-version {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.update-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.update-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 1rem;
}

.update-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.update-content ul {
    list-style: none;
    margin-left: 0;
}

.update-content li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.update-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ===== 表格 ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.table th,
.table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
    line-height: 1.6;
}

.table th {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table td {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.table td strong {
    color: var(--text-primary);
    font-weight: 600;
}

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

.table tr:hover {
    background: var(--bg-secondary);
    transition: background 0.2s ease;
}

.table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.02);
}

@media (prefers-color-scheme: dark) {
    .table tbody tr:nth-child(even) {
        background: rgba(255, 255, 255, 0.02);
    }
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-header h1 {
        font-size: 2rem;
    }
    
    .update-timeline {
        padding-left: 1.5rem;
    }
    
    .update-item {
        padding-left: 1.5rem;
    }
    
    /* 小屏幕 Mega Menu 额外优化 */
    .features-mega-menu .mega-menu-content {
        padding: 0.5rem !important;
    }
    
    .features-mega-menu:hover .mega-menu-content,
    .features-mega-menu.active .mega-menu-content {
        padding: 0.625rem !important;
        max-height: 70vh !important;
    }
    
    .features-mega-menu .mega-menu-item {
        padding: 0.75rem 0.875rem !important;
        min-height: 52px !important;
    }
    
    .features-mega-menu .mega-menu-icon {
        font-size: 1.375rem !important;
        margin-right: 0.75rem !important;
        min-width: 1.375rem !important;
    }
    
    .features-mega-menu .mega-menu-text {
        font-size: 0.875rem !important;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .features-mega-menu .mega-menu-content {
        padding: 0.375rem !important;
    }
    
    .features-mega-menu:hover .mega-menu-content,
    .features-mega-menu.active .mega-menu-content {
        padding: 0.5rem !important;
        max-height: 65vh !important;
    }
    
    .features-mega-menu .mega-menu-item {
        padding: 0.625rem 0.75rem !important;
        min-height: 48px !important;
    }
    
    .features-mega-menu .mega-menu-icon {
        font-size: 1.25rem !important;
        margin-right: 0.625rem !important;
        min-width: 1.25rem !important;
    }
    
    .features-mega-menu .mega-menu-text {
        font-size: 0.8125rem !important;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== 工具提示 ===== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    margin-bottom: 0.5rem;
    z-index: 1000;
}

/* ===== 徽章 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-primary {
    background: rgba(5, 150, 105, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--accent-color);
}

/* ===== 新增样式：高亮列表 ===== */
.highlight-section {
    background: var(--bg-secondary);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.highlight-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateX(0);
}

.highlight-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.highlight-item:hover::before {
    transform: scaleY(1);
}

.highlight-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.highlight-item-icon {
    font-size: 2.5rem;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(249, 115, 22, 0.1));
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.highlight-item:hover .highlight-item-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: scale(1.1);
}

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

.highlight-item-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-item-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.highlight-item-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(249, 115, 22, 0.1));
    border-radius: var(--radius-md);
    border: 1px solid rgba(5, 150, 105, 0.2);
    flex-shrink: 0;
    min-width: 100px;
    transition: all 0.3s ease;
}

.highlight-item:hover .highlight-item-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    transform: scale(1.05);
}

.badge-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.highlight-item:hover .badge-number {
    color: white;
}

.badge-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
    transition: color 0.3s ease;
}

.highlight-item:hover .badge-label {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .highlight-item {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .highlight-item:hover {
        transform: translateY(-4px);
    }
    
    .highlight-item-content {
        text-align: center;
    }
    
    .highlight-item-badge {
        width: 100%;
    }
}

/* ===== 工作流程样式 ===== */
.workflow-section {
    background: var(--bg-primary);
}

.workflow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 4rem;
}

.workflow-step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.workflow-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.step-number {
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

.step-icon {
    font-size: 3rem;
    margin: 2rem 0 1rem;
    display: block;
}

.workflow-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.workflow-step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.workflow-arrow {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 300;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .workflow-arrow {
        transform: rotate(90deg);
        margin: -1rem 0;
    }
}

/* ===== CTA区域样式 ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

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

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

.cta-buttons .btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-buttons .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* ===== 下载页面样式 ===== */
.download-header {
    text-align: center;
    margin-bottom: 4rem;
}

.download-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.download-icon {
    flex-shrink: 0;
}

.download-details {
    flex: 1;
    min-width: 250px;
}

.download-details h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.download-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.meta-item svg {
    color: var(--primary-color);
}

.download-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.btn-download {
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    padding: 1.125rem 2rem;
}

.download-note {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

.requirements-section,
.install-section,
.faq-section {
    margin-top: 5rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.requirement-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.requirement-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.requirement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.requirement-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.requirement-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.install-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.install-step .step-number {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== 功能截图样式 ===== */
.feature-screenshot {
    margin: 2rem 0;
    text-align: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== 产品展示区域 ===== */
.showcase-section {
    background: var(--bg-secondary);
}

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

.showcase-placeholder {
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.showcase-placeholder:hover {
    border-color: var(--primary-color);
    background: rgba(5, 150, 105, 0.02);
}

.placeholder-icon {
    margin-bottom: 1.5rem;
    display: inline-block;
}

.showcase-placeholder p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.placeholder-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== 首页专用样式 ===== */
/* 首页功能卡片 - 带图片 */
.homepage-features {
    background: var(--bg-primary);
}

.homepage-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.homepage-feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    box-shadow: var(--shadow-sm);
}

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

.homepage-feature-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-secondary);
    position: relative;
}

.homepage-feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.homepage-feature-content {
    padding: 1.5rem;
}

.homepage-feature-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    display: block;
}

.homepage-feature-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.homepage-feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.homepage-feature-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 首页产品展示 */
.homepage-showcase {
    background: var(--bg-secondary);
}

.homepage-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.homepage-showcase-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    cursor: pointer;
}

.homepage-showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.showcase-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.homepage-showcase-item:hover .showcase-img {
    transform: scale(1.03);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem 1.5rem 1.5rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.homepage-showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.showcase-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.2s ease;
}

.showcase-link:hover {
    gap: 1rem;
}

/* ===== 响应式优化 ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .workflow-steps {
        flex-direction: column;
        gap: 2rem;
    }
    
    .download-card {
        padding: 2rem;
    }
    
    .download-info {
        flex-direction: column;
        text-align: center;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .install-step {
        flex-direction: column;
        text-align: center;
    }
    
    .install-step:hover {
        transform: translateY(-4px);
    }
    
    .homepage-features-grid {
        grid-template-columns: 1fr;
    }
    
    .homepage-showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-overlay {
        transform: translateY(0);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    }
}