/* ==========================================================================
   全球云 (Global Cloud) - 极简极速落地页样式表
   ========================================================================== */

/* 1. 核心设计系统与变量 */
:root {
    /* 色彩系统 (暗色科技主题) */
    --bg-primary: #08090d;
    --bg-secondary: #0f111a;
    --bg-tertiary: #171a29;
    
    --color-primary: #8b5cf6;       /* 极光紫 */
    --color-primary-hover: #7c3aed;
    --color-primary-rgb: 139, 92, 246;
    
    --color-secondary: #06b6d4;     /* 科技蓝/青色 */
    --color-secondary-hover: #0891b2;
    --color-secondary-rgb: 6, 182, 212;
    
    --color-accent: #6366f1;        /* 靛青 */
    --color-accent-rgb: 99, 102, 241;
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;      /* 冷灰 */
    --text-muted: #64748b;
    
    /* 玻璃拟态 (Glassmorphism) */
    --glass-bg: rgba(15, 17, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-backdrop-filter: blur(12px);
    
    /* 边框与阴影 */
    --border-color: rgba(255, 255, 255, 0.07);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    --shadow-neon-purple: 0 0 30px rgba(139, 92, 246, 0.25);
    --shadow-neon-cyan: 0 0 30px rgba(6, 182, 212, 0.25);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    
    /* 动画过渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 容器布局 */
    --container-max-width: 1200px;
    --header-height: 80px;
}

/* 2. 基础重置 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Outfit', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 3. 通用辅助类 */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* 渐变文字 */
.gradient-text {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #a855f7 50%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 徽章 (Badge) */
.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 500;
    color: #a78bfa;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

/* 按钮样式 (Buttons) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 9999px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon-purple);
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #4f46e5 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: #ffffff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-tertiary:hover {
    color: #ffffff;
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}
/* --- 优惠信息通知栏 (Announcement Bar) --- */
.announcement-bar {
    width: 100%;
    background: linear-gradient(90deg, #7c3aed 0%, #4f46e5 50%, #06b6d4 100%);
    color: #ffffff;
    padding: 10px 24px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    letter-spacing: 0.5px;
}

.announcement-badge {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.code-highlight {
    background: rgba(0, 0, 0, 0.25);
    color: #facc15;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: 700;
    border: 1px dashed rgba(250, 204, 21, 0.4);
    letter-spacing: 0.5px;
}

.discount-highlight {
    color: #ffd700;
    font-weight: 800;
}

/* 4. 导航栏 (Header) */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    min-height: var(--header-height);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-backdrop-filter);
    -webkit-backdrop-filter: var(--glass-backdrop-filter);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.nav-links {
    display: none;
    gap: 32px;
}

.nav-item {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-item:hover {
    color: #ffffff;
}

/* 5. 核心展示区 (Hero Section) */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 15% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    mask-image: radial-gradient(circle at 50% 50%, black 60%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 60%, transparent 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 100%;
}

.hero-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 全球球体视觉设计 (Globe SVG) */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 20px;
}

.globe-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1/1;
}

.globe-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(20px);
    pointer-events: none;
}

.globe-svg {
    width: 100%;
    height: 100%;
}

/* 动效：旋转地球 */
.rotating-earth {
    transform-origin: 400px 400px;
    animation: rotateEarth 120s linear infinite;
}

@keyframes rotateEarth {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 动效：脉冲发光节点 */
.pulse-node-1, .pulse-node-2, .pulse-node-3, .pulse-node-4, .pulse-node-5, .pulse-node-6 {
    animation: pulseNode 3s infinite alternate;
}
.pulse-node-2 { animation-delay: 0.5s; }
.pulse-node-3 { animation-delay: 1s; }
.pulse-node-4 { animation-delay: 1.5s; }
.pulse-node-5 { animation-delay: 2s; }
.pulse-node-6 { animation-delay: 2.5s; }

@keyframes pulseNode {
    0% {
        r: 4px;
        opacity: 0.7;
    }
    100% {
        r: 8px;
        opacity: 1;
        filter: drop-shadow(0 0 6px var(--color-secondary));
    }
}

/* 动效：波动光环 */
.wave-ring-1, .wave-ring-2 {
    transform-origin: 400px 400px;
    animation: wavePulse 6s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.wave-ring-2 {
    animation-delay: 3s;
}

@keyframes wavePulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    30% {
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* 6. 数据展示栏 (Stats Section) */
.stats-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

/* 7. 通用板块标题 (Section Headers) */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px auto;
}

.section-title {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
}

/* 8. 优势部分 (Features Section) */
.features-section {
    padding: 80px 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-card);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.f-purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-primary);
}

.f-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-secondary);
}

.f-indigo {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-accent);
}

.f-cyan-alt {
    background: rgba(8, 145, 178, 0.1);
    color: #22d3ee;
}

.feature-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
}

.feature-card-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 9. 价格方案部分 (Pricing Section) */
.pricing-section {
    padding: 80px 0;
    background-color: var(--bg-secondary);
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

.pricing-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 32px;
    position: relative;
    transition: var(--transition-normal);
}

.pricing-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

/* 推荐/热门卡片 */
.pricing-card.featured {
    background-color: var(--bg-tertiary);
    border: 2px solid var(--color-primary);
    box-shadow: 0 20px 40px -15px rgba(139, 92, 246, 0.15);
}

.pricing-card.featured:hover {
    box-shadow: 0 20px 40px -15px rgba(139, 92, 246, 0.3);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-header {
    margin-bottom: 32px;
}

.plan-name {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.plan-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.plan-price {
    display: flex;
    align-items: baseline;
}

.currency {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.price-num {
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin: 0 4px;
}

.period {
    font-size: 14px;
    color: var(--text-secondary);
}

/* --- 折后优惠价排版 --- */
.plan-price-wrapper {
    margin-bottom: 24px;
}

.original-price {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.old-currency {
    font-size: 12px;
}

.old-num {
    text-decoration: line-through;
    font-weight: 500;
}

.discount-tag {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-secondary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.plan-features li stroke {
    flex-shrink: 0;
    margin-top: 3px;
}

.plan-features li svg {
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 3px;
}

.pricing-guarantee {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 48px;
}

/* 10. 使用步骤部分 (Workflow Section) */
.workflow-section {
    padding: 80px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.step-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
}

.step-num {
    font-size: 40px;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.4) 0%, rgba(139, 92, 246, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    font-family: monospace;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
}

.step-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.workflow-cta {
    text-align: center;
}

/* 11. 常见问题部分 (FAQ Section) */
.faq-section {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.faq-accordion {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item[open] {
    border-color: rgba(139, 92, 246, 0.3);
}

.faq-question {
    padding: 24px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-normal);
}

.faq-item[open] .faq-arrow {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 24px 24px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
    border-top-color: var(--border-color);
}

/* 12. 最终行动呼吁 (Final CTA Section) */
.final-cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.final-cta-container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.final-cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    z-index: 1;
}

.final-cta-title {
    font-size: clamp(26px, 5vw, 44px);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.final-cta-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* 13. 页脚 (Footer) */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px 0;
    font-size: 14px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-info {
    max-width: 320px;
}

.footer-info .logo {
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-muted);
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.footer-link-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link-title {
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.footer-link-item, .footer-legal-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link-item:hover, .footer-legal-link:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

.footer-bottom-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.copyright {
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legal-dot {
    color: var(--text-muted);
}


/* ==========================================================================
   14. 媒体查询 (Responsive Layout - Tablet & Desktop overrides)
   ========================================================================== */

/* 768px (平板与小屏幕电脑) */
@media (min-width: 768px) {
    /* 导航栏 */
    .nav-links {
        display: flex;
    }
    
    /* 核心区 */
    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 32px;
    }
    
    .hero-actions {
        flex-direction: row;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    /* 数据展示 */
    .stats-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* 优势格栅 */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 步骤格栅 */
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .step-card::after {
        content: '→';
        position: absolute;
        top: 50%;
        right: -16px;
        transform: translateY(-50%);
        font-size: 24px;
        color: rgba(255, 255, 255, 0.1);
        pointer-events: none;
    }
    
    .steps-grid .step-card:last-child::after {
        display: none;
    }
    
    /* 价格格栅 */
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .pricing-card.featured {
        transform: scale(1.03);
    }
    
    .pricing-card.featured:hover {
        transform: scale(1.05);
    }
    
    /* 页脚 */
    .footer-container {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer-links-group {
        grid-template-columns: repeat(3, auto);
        justify-content: flex-end;
        gap: 60px;
    }
    
    .footer-bottom-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* 1024px (大屏幕桌面电脑) */
@media (min-width: 1024px) {
    .hero-container {
        gap: 80px;
    }
    
    .globe-wrapper {
        max-width: 500px;
    }
    
    .pricing-grid {
        gap: 24px;
    }
}

/* ==========================================================================
   15. 博客文章页面样式 (Blog Post Styles)
   ========================================================================== */
.blog-post-section {
    padding: 60px 0 100px 0;
    position: relative;
    z-index: 2;
}

.blog-post-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px 24px;
}

@media (min-width: 768px) {
    .blog-post-container {
        padding: 56px 48px;
    }
}

.blog-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 32px;
    transition: var(--transition-fast);
}

.blog-back-btn:hover {
    color: #ffffff;
    transform: translateX(-4px);
}

.blog-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 32px;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-title {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.3;
}

.blog-content {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.blog-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    margin: 40px 0 20px 0;
    padding-left: 12px;
    border-left: 4px solid var(--color-primary);
}

.blog-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin: 32px 0 16px 0;
}

.blog-content p {
    margin-bottom: 24px;
}

.blog-content ul, .blog-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.blog-content li {
    margin-bottom: 8px;
}

.blog-content strong {
    color: #ffffff;
}

/* 博客文章内部转化框 (Inline Blog CTA Card) */
.blog-cta-card {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    padding: 32px;
    margin: 48px 0;
    text-align: center;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.blog-cta-title {
    font-size: 22px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
}

.blog-cta-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.blog-cta-price-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

@media (min-width: 600px) {
    .blog-cta-price-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-cta-price-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 12px;
}

.blog-cta-price-name {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.blog-cta-price-val {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
}

.blog-cta-price-val .old-price {
    font-size: 12px;
    text-decoration: line-through;
    color: var(--text-muted);
    margin-right: 4px;
}

/* 博客内链文章栏 (Inner Link Section) */
.blog-related-posts {
    margin-top: 56px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.blog-related-title {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
}

.blog-related-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .blog-related-list {
        grid-template-columns: 1fr 1fr;
    }
}

.related-post-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    text-decoration: none;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.related-post-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

.related-post-title {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.4;
}

.related-post-more {
    font-size: 13px;
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}