/* 全局样式 */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    max-width: 100%;
    position: relative;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0; /* 防止被压缩 */
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap; /* 防止换行 */
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.nav-btn-login {
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-btn-register {
    flex-shrink: 0;
    white-space: nowrap;
}

.language-switch {
    display: flex;
    gap: 8px;
}

.lang-icon {
    width: 24px;
    height: 24px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.lang-icon.active,
.lang-icon:hover {
    opacity: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}

.pricing-card .btn-block {
    padding: 1rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
    transition: all 0.3s;
}

.pricing-card .btn-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

/* 主横幅 */
.hero {
    position: relative;
    padding: 150px 0 100px;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* 手机端Hero区域单列布局 */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-features {
        order: 2;
        margin-top: 2rem;
    }
    
    .hero-image {
        order: 2;
        margin-top: 2rem;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(203, 213, 225, 0.9);
    line-height: 2;
    margin-bottom: 2.5rem;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
    letter-spacing: 0.5px;
    text-align: center;
}

.mobile-only {
    display: none;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* 主横幅描述区域美化 */
.hero-description-wrapper {
    margin-bottom: 1.5rem;
}

.hero-tagline {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border: 2px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.hero-tagline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 100%);
}

.tagline-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.tagline-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #f59e0b;
    margin: 0 0 0.75rem 0;
}

.tagline-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    opacity: 0.9;
}

.hero-description-content {
    display: grid;
    gap: 0.75rem;
}

.description-card {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    transition: all 0.3s;
}

.description-card:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateX(5px);
}

.description-card.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(99, 102, 241, 0.4);
}

.description-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.description-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

.hero-promo-banner {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.promo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.promo-content {
    flex: 1;
}

.promo-content strong {
    display: block;
    color: #3b82f6;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.promo-content span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

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

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hero-image {
    position: relative;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.feature-highlight-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-highlight-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.feature-highlight-card:hover::before {
    transform: scaleX(1);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.feature-highlight-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-highlight-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.dashboard-preview {
    background: var(--dark-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 2rem;  /* 增大padding */
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
    animation: float 3s ease-in-out infinite;
    max-width: 600px;  /* 增大最大宽度 */
    margin: 0 auto;
}

.preview-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.preview-dot:nth-child(1) {
    background: #ef4444;
}

.preview-dot:nth-child(2) {
    background: #f59e0b;
}

.preview-dot:nth-child(3) {
    background: #10b981;
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* 统计卡片横向排列 */
.preview-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.preview-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.preview-icon {
    width: 52px;  /* 放大 */
    height: 52px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;  /* 放大 */
    color: white;
    flex-shrink: 0;
}

.preview-text {
    flex: 1;
}

.preview-label {
    font-size: 0.9rem;  /* 放大 */
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.preview-value {
    font-size: 1.75rem;  /* 放大 */
    font-weight: 700;
    color: var(--primary-color);
}

.preview-chart {
    display: flex;
    align-items: flex-end;
    gap: 14px;  /* 增大间距 */
    height: 140px;  /* 增高 */
    padding: 1.25rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
}

.preview-table {
    margin-top: 1.25rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.preview-table-row {
    display: flex;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.preview-table-row:last-child {
    border-bottom: none;
}

.preview-table-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.preview-table-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.chart-bar {
    flex: 1;
    background: var(--gradient-1);
    border-radius: 6px 6px 0 0;
    min-height: 20px;
    animation: grow 1.5s ease-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes grow {
    from {
        height: 0;
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-1);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--gradient-2);
    bottom: -150px;
    left: -100px;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--gradient-3);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* 特性区块 */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));  /* 缩小最小宽度 */
    gap: 1.5rem;  /* 缩小间距 */
}

.feature-card {
    background: var(--dark-card);
    padding: 1.5rem;  /* 缩小padding */
    border-radius: 12px;  /* 缩小圆角 */
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    width: 48px;  /* 进一步缩小 */
    height: 48px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;  /* 图标缩小 */
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.feature-title {
    font-size: 1.15rem;  /* 标题缩小 */
    margin-bottom: 0.75rem;  /* 间距缩小 */
    font-weight: 600;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;  /* 文字缩小 */
    margin-bottom: 1rem;  /* 间距缩小 */
    line-height: 1.6;
}

.feature-image {
    width: 100%;
    max-width: 280px; /* 更小 */
    max-height: 160px; /* 更小 */
    object-fit: contain;
    border-radius: 8px;
    margin: 0.75rem auto 0;  /* 间距缩小 */
    display: block;
    opacity: 0.85;  /* 降低透明度 */
}

/* 技术区块 */
.technology {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
}

.technology-content {
    display: grid;
    gap: 3rem;
}

.tech-feature {
    display: grid;
    grid-template-columns: 60px 1fr;  /* 图标列缩小 */
    gap: 1.5rem;  /* 间距缩小 */
    background: var(--dark-card);
    padding: 2rem;  /* padding缩小 */
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.tech-icon {
    width: 60px;  /* 从80px缩小到60px */
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;  /* 图标也缩小 */
    flex-shrink: 0;
}

.tech-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tech-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tech-list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.tech-list i {
    color: var(--success-color);
}

/* 价格区块 */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 基础套餐网格 - 3列布局 */
.pricing-grid-standard {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

/* 高端套餐网格 - 2列布局 */
.pricing-grid-premium {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 高端套餐卡片样式 - 更豪华的设计 */
.pricing-card.premium {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
    border: 3px solid;
    border-image: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899) 1;
    border-radius: 32px;
    padding: 3.5rem 3rem;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.25),
                0 0 80px rgba(139, 92, 246, 0.15),
                inset 0 0 60px rgba(99, 102, 241, 0.05);
    position: relative;
    overflow: hidden;
}

.pricing-card.premium::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 70%);
    pointer-events: none;
    animation: premiumGlow 4s ease-in-out infinite;
}

@keyframes premiumGlow {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.pricing-card.premium::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 30%, #ec4899 60%, #8b5cf6 100%);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.6),
                0 0 60px rgba(139, 92, 246, 0.4);
    opacity: 1;
}

.pricing-card.premium:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 80px rgba(99, 102, 241, 0.4),
                0 0 120px rgba(139, 92, 246, 0.3),
                inset 0 0 80px rgba(236, 72, 153, 0.1);
    border-image: linear-gradient(135deg, #818cf8, #a78bfa, #f472b6) 1;
}

/* 高端套餐图标 */
.pricing-card.premium .premium-icon {
    width: 88px;
    height: 88px;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.5),
                0 0 80px rgba(236, 72, 153, 0.4),
                inset 0 0 30px rgba(255, 255, 255, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.pricing-card.premium:hover .premium-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.6),
                0 0 100px rgba(236, 72, 153, 0.5),
                inset 0 0 40px rgba(255, 255, 255, 0.3);
}

/* 高端套餐标题 */
.pricing-card.premium .premium-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 1.5rem;
}

/* 高端套餐价格 */
.pricing-card.premium .premium-price {
    margin: 1.5rem 0;
}

.pricing-card.premium .premium-price .price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 高端套餐次数 */
.pricing-card.premium .premium-count {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 2px solid rgba(236, 72, 153, 0.4);
    border-radius: 50px;
    padding: 1.25rem 2rem;
    margin: 1.5rem 0;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3),
                inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.pricing-card.premium .premium-count span:first-of-type {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card.premium .premium-count i {
    color: #ec4899;
    font-size: 1.5rem;
}

/* 高端套餐每次价格 */
.pricing-card.premium .premium-per-time {
    color: #a78bfa;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1rem;
}

/* 高端套餐特性列表 */
.pricing-card.premium .premium-features {
    margin: 2rem 0;
}

.pricing-card.premium .premium-features li {
    padding: 0.875rem 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.pricing-card.premium .premium-features li:last-child {
    border-bottom: none;
}

.pricing-card.premium .premium-features li i {
    color: #a78bfa;
    margin-right: 0.75rem;
}

/* 高端套餐按钮 */
.pricing-card.premium .premium-btn {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    border: none;
    padding: 1.125rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4),
                0 0 60px rgba(236, 72, 153, 0.3);
    transition: all 0.3s;
}

.pricing-card.premium .premium-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.5),
                0 0 80px rgba(236, 72, 153, 0.4);
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #f472b6 100%);
}

/* 免费版和体验版专用布局 - 2列 */
.pricing-grid-free {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.pricing-grid-free .pricing-card {
    padding: 3.5rem 3rem;
}

.pricing-card {
    background: var(--dark-card);
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    position: relative;
    transition: all 0.3s;
    min-width: 0; /* 防止内容溢出 */
    overflow: visible;
}

/* 卡片装饰背景 */
.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    pointer-events: none;
    transition: transform 0.5s;
}

.pricing-card:hover::before {
    transform: scale(1.2);
}

/* 卡片顶部装饰条 */
.pricing-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-color) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.pricing-card:hover::after {
    opacity: 1;
}

/* 付费套餐区域完全禁用基础装饰线 */
.pricing-grid .pricing-card::after {
    display: none !important;
    content: none !important;
    opacity: 0 !important;
    height: 0 !important;
    background: none !important;
}

.pricing-grid .pricing-card:hover::after {
    display: none !important;
    opacity: 0 !important;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.pricing-card.featured::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.pricing-card.featured::after {
    opacity: 1;
    height: 5px;
}

/* 付费套餐卡片增强效果 */
.pricing-grid .pricing-card {
    border-width: 3px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}


.pricing-grid .pricing-card::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
}

.pricing-grid .pricing-card:hover {
    transform: translateY(-12px);
    border-color: var(--primary-color);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.3),
                0 0 60px rgba(99, 102, 241, 0.2);
}

.pricing-grid .pricing-card.featured {
    border: 4px solid var(--primary-color) !important;
    border-top: none !important; /* 完全移除顶部边框，由装饰线代替 */
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    box-shadow: 0 12px 48px rgba(99, 102, 241, 0.3),
                0 0 80px rgba(99, 102, 241, 0.15);
}

.pricing-grid .pricing-card.featured:hover {
    box-shadow: 0 20px 64px rgba(99, 102, 241, 0.4),
                0 0 100px rgba(99, 102, 241, 0.25);
}

.pricing-grid .pricing-card.featured::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
}

/* 付费套餐featured卡片顶部装饰线 - 完全独立定义，确保只有一条线 */
.pricing-grid .pricing-card.featured::after {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: auto !important;
    width: 100% !important;
    opacity: 1 !important;
    height: 6px !important;
    display: block !important;
    visibility: visible !important;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%) !important;
    background-image: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%) !important;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.6) !important;
    border-radius: 24px 24px 0 0 !important;
    border: none !important;
    outline: none !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 2 !important;
    pointer-events: none !important;
}

/* 禁用付费套餐featured卡片的hover时再次显示线 */
.pricing-grid .pricing-card.featured:hover::after {
    opacity: 1 !important;
    height: 6px !important;
}

/* 非付费套餐区域的featured卡片（如免费版区域的卡片） */
.pricing-grid-free .pricing-card.featured::after {
    opacity: 1;
    height: 5px;
}

/* 付费套餐图标增强 */
.pricing-grid .pricing-icon {
    width: 72px;
    height: 72px;
    font-size: 2rem;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4),
                0 0 40px rgba(99, 102, 241, 0.2);
}

.pricing-grid .pricing-card:hover .pricing-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5),
                0 0 60px rgba(99, 102, 241, 0.3);
}

.pricing-grid .pricing-card.featured .pricing-icon {
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5),
                0 0 60px rgba(99, 102, 241, 0.3);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-1);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    z-index: 10;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

/* 价格图标装饰 */
.pricing-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.pricing-card.featured .pricing-icon {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.pricing-count {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
    border: 1.5px solid rgba(99, 102, 241, 0.4);
    border-radius: 50px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.pricing-count::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.pricing-card:hover .pricing-count::before {
    opacity: 1;
}

.pricing-count i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.pricing-count > span:first-of-type {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

/* 付费套餐加密次数增强效果 */
.pricing-grid .pricing-count {
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 2px solid rgba(99, 102, 241, 0.6);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3),
                inset 0 0 20px rgba(99, 102, 241, 0.1);
    transform: scale(1);
    transition: all 0.3s;
}

.pricing-grid .pricing-card:hover .pricing-count {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5),
                inset 0 0 30px rgba(99, 102, 241, 0.15),
                0 0 40px rgba(99, 102, 241, 0.3);
}

.pricing-grid .pricing-count > span:first-of-type {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
}

.pricing-grid .pricing-count i {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.6));
}

.pricing-count .count-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 0.25rem;
}


.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
    position: relative;
    z-index: 1;
    margin: 2rem 0 1.5rem;
}

.price-currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

/* 付费套餐价格增强效果 */
.pricing-grid .pricing-price .price-amount {
    font-size: 4.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.4));
    position: relative;
    display: inline-block;
}

/* 付费套餐价格发光动画 */
.pricing-grid .pricing-price .price-amount::after {
    content: '';
    position: absolute;
    inset: -10px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.pricing-grid .pricing-card:hover .pricing-price .price-amount::after {
    opacity: 1;
}

/* 付费套餐货币符号增强 */
.pricing-grid .pricing-price .price-currency {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 600;
}

.price-period {
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    min-height: 140px; /* 确保卡片高度一致 */
    position: relative;
    z-index: 1;
}

.pricing-features li {
    padding: 0.875rem 0;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.pricing-features li:hover {
    color: var(--text-primary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* 特性图标样式 */
.pricing-features li i {
    min-width: 20px;
    width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    font-size: 0.9rem;
}

.pricing-features .fa-check {
    color: var(--success-color);
}

/* 价格套餐月季年切换 */
.pricing-period-switch {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.period-btn {
    padding: 0.75rem 2rem;
    background: var(--dark-card);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.period-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.period-btn.active {
    background: var(--gradient-1);
    border-color: var(--primary-color);
    color: white;
}

.price-original {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.pricing-features .fa-times {
    color: var(--text-muted);
}

.pricing-features .fa-exclamation-triangle {
    color: var(--warning-color);
}

/* 问题痛点区块 */
.problems {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.05) 0%, transparent 100%);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--dark-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
}

.problem-card.danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: #ef4444;
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.2);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.2) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.8rem;
    color: #ef4444;
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.problems-solution {
    margin-top: 3rem;
    text-align: center;
}

.solution-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.solution-card i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.solution-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 技术文档区块 */
.docs {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.03) 0%, transparent 100%);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.docs-card {
    background: var(--dark-card);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.docs-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.docs-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.docs-card:hover::before {
    transform: scaleX(1);
}

.docs-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.docs-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.docs-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.docs-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.docs-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.docs-list li i {
    color: var(--success-color);
    font-size: 0.9rem;
}

.docs-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: auto;
}

.docs-link:hover {
    color: var(--secondary-color);
    gap: 0.75rem;
}

.docs-link i {
    transition: transform 0.3s;
}

.docs-link:hover i {
    transform: translateX(4px);
}

/* 承诺保障区块 */
.commitment {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(16, 185, 129, 0.05) 100%);
}

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

.commitment-card {
    background: var(--dark-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.commitment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.commitment-card:hover {
    transform: translateY(-10px);
    border-color: #10b981;
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.commitment-card:hover::before {
    transform: scaleX(1);
}

.commitment-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.2) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: #10b981;
}

.commitment-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.commitment-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.commitment-highlight {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    color: #10b981;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 官方群与支持区块 */
.support {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.05) 0%, transparent 100%);
}

.support-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.support-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.support-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.support-group {
    margin-top: 2rem;
}

.group-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.3s;
}

.group-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.group-icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.group-info {
    flex: 1;
}

.group-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.group-number-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.group-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    flex: 1;
}

.copy-btn {
    width: 32px;
    height: 32px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
    font-size: 0.9rem;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.copy-btn:active {
    transform: scale(0.95);
}

.support-features {
    display: grid;
    gap: 1.5rem;
}

.support-feature-item {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.support-feature-item:hover {
    transform: translateX(5px);
    border-color: var(--primary-color);
}

.support-feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.support-feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.support-feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* 工作流程 */
.workflow {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
}

.workflow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.workflow-step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    background: var(--dark-card);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-secondary);
}

.workflow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
}

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

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-items {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: var(--dark-card);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

/* 响应式设计 */

/* 平板设备 */
@media (max-width: 968px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        border-bottom: 1px solid var(--border-color);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1000;
        order: 3;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-actions {
        gap: 0.5rem;
        order: 2;
    }
    
    .nav-brand {
        order: 1;
    }
    
    .navbar .container {
        justify-content: space-between;
        flex-wrap: wrap;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
        margin-bottom: 2rem;
        padding: 0 1rem;
        line-height: 1.7;
    }
    
    .hero-features {
        order: 2;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .feature-highlight-card {
        padding: 1.25rem;
    }
    
    .highlight-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .feature-highlight-card h3 {
        font-size: 1rem;
    }
    
    .feature-highlight-card p {
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .workflow-arrow {
        display: none;
    }
    
    .workflow-steps {
        flex-direction: column;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .pricing-grid-free {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
    
    .docs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    /* 仪表盘响应式 */
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机设备 */
@media (max-width: 640px) {
    html, body {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 10px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* 导航栏 */
    .navbar {
        padding: 0.75rem 0;
        width: 100vw;
        max-width: 100vw;
        left: 0;
        right: 0;
        box-sizing: border-box;
    }
    
    .navbar .container {
        width: 100%;
        max-width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
    section {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    
    .logo {
        width: 32px;
        height: 32px;
    }
    
    .brand-name {
        font-size: 1.2rem;
    }
    
    .navbar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
    }
    
    .nav-actions {
        gap: 0.4rem;
        order: 2;
        flex-shrink: 0;
    }
    
    .nav-actions .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-width: auto;
    }
    
    /* 登录按钮在手机上也要显示 */
    /* .nav-btn-login {
        display: none;
    } */
    
    .nav-toggle {
        order: 3;
        margin-left: 0.5rem;
        flex-shrink: 0;
    }
    
    .language-switch {
        display: none; /* 手机上隐藏语言切换 */
    }
    
    
    /* Hero区域 */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.75;
        margin-bottom: 2rem;
        padding: 0 1rem;
        color: rgba(203, 213, 225, 0.9);
        font-weight: 400;
    }
    
    .mobile-only {
        display: inline;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    /* 主横幅描述区域响应式 */
    .hero-tagline {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }
    
    .tagline-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .tagline-content h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .tagline-content p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .description-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }
    
    .description-icon {
        margin: 0 auto;
    }
    
    .hero-promo-banner {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .promo-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        margin: 0 auto;
    }
    
    .promo-content strong {
        font-size: 1rem;
    }
    
    .promo-content span {
        font-size: 0.85rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: 0.5rem;
        margin-top: 2rem;
        flex-wrap: wrap;
    }
    
    .stat-item {
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* 仪表盘预览在手机上的优化 */
    .dashboard-preview {
        padding: 1.25rem;
    }
    
    .preview-stat {
        flex-direction: row;
        padding: 0.75rem;
    }
    
    .preview-chart {
        height: 100px;
    }
    
    .preview-table {
        margin-top: 1rem;
    }
    
    /* 区块标题 */
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* 特性卡片 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    /* 价格卡片 */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-grid-standard {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .pricing-grid-premium {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .pricing-grid-free {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-grid-free .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    /* 移动端高端套餐样式调整 */
    .pricing-card.premium {
        padding: 2.5rem 2rem;
        border-radius: 24px;
    }
    
    .pricing-card.premium .premium-icon {
        width: 72px;
        height: 72px;
        font-size: 2rem;
    }
    
    .pricing-card.premium .premium-title {
        font-size: 1.5rem;
    }
    
    .pricing-card.premium .premium-price .price-amount {
        font-size: 3rem;
    }
    
    .pricing-card.premium .premium-count {
        padding: 1rem 1.5rem;
    }
    
    .pricing-card.premium .premium-count span:first-of-type {
        font-size: 1.75rem;
    }
    
    /* 移动端付费套餐价格调整 */
    .pricing-grid .pricing-price .price-amount {
        font-size: 3.5rem;
    }
    
    .pricing-grid .pricing-price .price-currency {
        font-size: 1.75rem;
    }
    
    /* 移动端付费套餐次数调整 */
    .pricing-grid .pricing-count {
        padding: 1rem 1.5rem;
    }
    
    .pricing-grid .pricing-count > span:first-of-type {
        font-size: 1.75rem;
    }
    
    .pricing-grid .pricing-count i {
        font-size: 1.5rem;
    }
    
    .pricing-grid .pricing-icon {
        width: 64px;
        height: 64px;
        font-size: 1.8rem;
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .docs-card {
        padding: 2rem 1.5rem;
    }
    
    .docs-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .docs-card h3 {
        font-size: 1.3rem;
    }
    
    /* 问题痛点区块响应式 */
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .problems-solution {
        margin-top: 2rem;
    }
    
    .solution-card {
        padding: 2rem 1.5rem;
    }
    
    .solution-card i {
        font-size: 3rem;
    }
    
    .solution-card h3 {
        font-size: 1.4rem;
    }
    
    .solution-card p {
        font-size: 1rem;
    }
    
    /* 承诺保障区块响应式 */
    .commitment-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .commitment-card {
        padding: 2rem 1.5rem;
    }
    
    /* 官方群与支持区块响应式 */
    .support-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .support-text h2 {
        font-size: 1.6rem;
    }
    
    .group-card {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }
    
    .group-icon-wrapper {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
        margin: 0 auto;
    }
    
    .group-number-wrapper {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .group-number {
        font-size: 1.3rem;
    }
    
    .copy-btn {
        width: 100%;
        height: 36px;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    /* 工作流程 */
    .workflow-step {
        min-width: 100%;
        padding: 2rem 1.5rem;
    }
    
    /* 联系表单 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* 仪表盘 */
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .topbar {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
    
    /* 认证页面 */
    .auth-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    /* 上传区域 */
    .upload-zone {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
}

/* 超小屏幕 */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .feature-card,
    .pricing-card {
        padding: 1.25rem;
    }
}

/* 登录/注册页面样式 */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.auth-container {
    max-width: 450px;
    width: 100%;
    background: var(--dark-card);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-brand {
    justify-content: center;
    margin-bottom: 1rem;
}

.auth-form {
    display: grid;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* 仪表盘样式 */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--dark-card);
    border-right: 1px solid var(--border-color);
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    padding: 0 2rem;
    margin-bottom: 2rem;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 2rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background: var(--dark-bg);
}

.topbar {
    background: var(--dark-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-area {
    padding: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--dark-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card-label {
    color: var(--text-secondary);
}

.card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    color: var(--text-secondary);
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-1);
    transition: width 0.3s;
}

/* 表单控件（tasks页面需要） */
.form-control {
    width: 100%;
    padding: 0.75rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

select.form-control {
    cursor: pointer;
}

/* 常见问题 FAQ */
.faq {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.faq-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.faq-question {
    display: flex;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s;
}

.faq-question:hover {
    background: rgba(99, 102, 241, 0.05);
}

.faq-question i:first-child {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 24px;
    text-align: center;
}

.faq-question h3 {
    flex: 1;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle {
    color: var(--text-secondary);
    font-size: 1rem;
    transition: transform 0.3s;
    margin-left: 1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 2rem;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 2rem 1.5rem;
}

.faq-answer p {
    margin: 1rem 0;
    line-height: 1.8;
    color: var(--text-secondary);
}

.faq-answer p:first-child {
    margin-top: 0;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul,
.faq-answer ol {
    margin: 1rem 0;
    padding-left: 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer li {
    margin: 0.5rem 0;
}

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

@media (max-width: 768px) {
    .faq {
        padding: 3rem 0;
    }
    
    .faq-list {
        margin-top: 2rem;
    }
    
    .faq-item {
        margin-bottom: 1rem;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 1.5rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.25rem;
    }
}