/* 
   次元链接 (Ciyuanlianjie) - 赛博科技·霓虹未来风 样式表
   域名: ciyuanlianjiejc.homes
   字体: 正楷体 (KaiTi)
*/

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;600&display=swap');

:root {
    --bg-primary: #0f172a;
    --cyan-glow: #22d3ee;
    --pink-glow: #f472b6;
    --purple-glow: #a855f7;
    --violet-bg: #4c1d95;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --card-bg: rgba(15, 23, 42, 0.75);
    --card-bg-hover: rgba(30, 41, 59, 0.85);
    --border-cyan: rgba(34, 211, 238, 0.3);
    --border-pink: rgba(244, 114, 182, 0.3);
    --border-purple: rgba(168, 85, 247, 0.3);
    --shadow-cyan: 0 0 25px rgba(34, 211, 238, 0.25);
    --shadow-pink: 0 0 25px rgba(244, 114, 182, 0.25);
    --shadow-purple: 0 0 25px rgba(168, 85, 247, 0.25);
    --font-kaiti: "楷体", "KaiTi", "STKaiti", "DFKai-SB", "Microsoft YaHei", serif;
    --font-code: 'Fira Code', monospace;
}

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

body {
    background: radial-gradient(at 0% 0%, #22d3ee 0, transparent 50%), 
                radial-gradient(at 100% 100%, #f472b6 0, transparent 50%), 
                radial-gradient(at 50% 50%, #4c1d95 0, transparent 50%), 
                #0f172a;
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-kaiti);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Cyber Canvas */
#cyber-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

/* Grid Overlay */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 1;
}

/* Container */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* Header & Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-cyan);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
    white-space: nowrap;
    flex-shrink: 0;
}

.brand-logo img {
    height: 44px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.8));
    transition: transform 0.3s ease;
}

.brand-logo:hover img {
    transform: scale(1.08) rotate(3deg);
}

.brand-title {
    font-size: 22px;
    font-weight: bold;
    background: linear-gradient(135deg, #22d3ee, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
    letter-spacing: 1px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 14px;
    list-style: none;
    white-space: nowrap;
}

.nav-menu li {
    white-space: nowrap;
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
    display: inline-block;
}

.nav-link:hover, .nav-link.active {
    color: var(--cyan-glow);
    text-shadow: 0 0 10px rgba(34, 211, 238, 0.6);
    background: rgba(34, 211, 238, 0.1);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 20px;
    background: linear-gradient(135deg, #06b6d4, #a855f7);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold;
    border-radius: 50px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

.header-cta:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 0 30px rgba(244, 114, 182, 0.8);
    background: linear-gradient(135deg, #f472b6, #06b6d4);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--cyan-glow);
    font-size: 26px;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 90px 0 60px;
    text-align: center;
    position: relative;
}

.cyber-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(34, 211, 238, 0.12);
    border: 1px solid var(--cyan-glow);
    border-radius: 50px;
    color: var(--cyan-glow);
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 25px;
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.3);
    animation: pulseGlow 2s infinite alternate;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px rgba(34, 211, 238, 0.2); }
    100% { box-shadow: 0 0 25px rgba(244, 114, 182, 0.6); border-color: var(--pink-glow); }
}

.hero-title {
    font-size: 48px;
    line-height: 1.25;
    margin-bottom: 25px;
    font-weight: 900;
    letter-spacing: 1px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #22d3ee 0%, #f472b6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.4));
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 860px;
    margin: 0 auto 35px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 16px 40px;
    background: linear-gradient(135deg, #06b6d4, #ec4899);
    color: #fff;
    font-size: 19px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 45px rgba(244, 114, 182, 0.9);
    background: linear-gradient(135deg, #f472b6, #3b82f6);
}

.btn-secondary {
    padding: 16px 40px;
    background: rgba(15, 23, 42, 0.7);
    color: var(--cyan-glow);
    font-size: 19px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    border: 1px solid var(--border-cyan);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    background: rgba(34, 211, 238, 0.15);
    box-shadow: 0 0 30px rgba(34, 211, 238, 0.5);
    color: #fff;
}

/* Stats Bar */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--pink-glow);
    box-shadow: var(--shadow-pink);
}

.stat-value {
    font-size: 36px;
    font-weight: bold;
    color: var(--cyan-glow);
    text-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
    font-family: var(--font-code);
}

.stat-label {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Section Title */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    font-size: 15px;
    text-transform: uppercase;
    color: var(--pink-glow);
    letter-spacing: 2px;
    font-weight: bold;
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Features Grid */
.features-section {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 20px;
    padding: 35px 28px;
    backdrop-filter: blur(16px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--cyan-glow), transparent);
    transition: left 0.6s ease;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--pink-glow);
    box-shadow: 0 10px 30px rgba(244, 114, 182, 0.2);
    background: var(--card-bg-hover);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(34, 211, 238, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 22px;
    border: 1px solid var(--border-cyan);
    color: var(--cyan-glow);
}

.feature-title {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Nodes Section */
.nodes-section {
    padding: 80px 0;
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.node-card {
    background: var(--card-bg);
    border: 1px solid var(--border-purple);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}

.node-card:hover {
    transform: scale(1.03);
    border-color: var(--cyan-glow);
    box-shadow: var(--shadow-cyan);
}

.node-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.node-flag {
    font-size: 28px;
}

.node-name {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
}

.node-type {
    font-size: 13px;
    color: var(--pink-glow);
    background: rgba(244, 114, 182, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 2px;
}

.node-ping {
    text-align: right;
}

.ping-value {
    font-size: 16px;
    font-weight: bold;
    color: #10b981;
    font-family: var(--font-code);
}

.ping-status {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #10b981;
    margin-right: 4px;
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pricing-card {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--border-cyan);
    border-radius: 24px;
    padding: 40px 30px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--pink-glow);
    box-shadow: 0 0 35px rgba(244, 114, 182, 0.3);
    transform: scale(1.03);
}

.popular-badge {
    position: absolute;
    top: -16px;
    right: 25px;
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: #fff;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 0 15px rgba(236, 72, 153, 0.6);
}

.pricing-header {
    margin-bottom: 25px;
    text-align: center;
}

.plan-name {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 12px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 15px;
}

.price-currency {
    font-size: 24px;
    color: var(--pink-glow);
    font-weight: bold;
}

.price-amount {
    font-size: 48px;
    font-weight: 900;
    color: #fff;
    font-family: var(--font-code);
    text-shadow: 0 0 15px rgba(244, 114, 182, 0.4);
}

.price-cycle {
    font-size: 16px;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin-bottom: 35px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 16px;
    color: #cbd5e1;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features li::before {
    content: '✓';
    color: var(--cyan-glow);
    font-weight: bold;
    font-size: 18px;
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 16px 0;
    text-align: center;
    background: linear-gradient(135deg, #06b6d4, #a855f7);
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
    transition: all 0.3s ease;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(244, 114, 182, 0.8);
    background: linear-gradient(135deg, #f472b6, #06b6d4);
}

/* Tutorials & Downloads Section */
.tutorials-section {
    padding: 80px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.download-card {
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    text-decoration: none;
    color: #fff;
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--pink-glow);
    box-shadow: var(--shadow-pink);
    background: var(--card-bg-hover);
}

.download-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.download-platform {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 6px;
}

.download-sub {
    font-size: 14px;
    color: var(--text-muted);
}

.step-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border-purple);
    border-radius: 16px;
    padding: 30px 24px;
    position: relative;
}

.step-num {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #22d3ee, #f472b6);
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.5);
}

.step-title {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 10px;
}

.step-desc {
    font-size: 15px;
    color: var(--text-muted);
}

/* User Reviews Section */
.reviews-section {
    padding: 80px 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(14px);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: var(--pink-glow);
    box-shadow: var(--shadow-pink);
}

.review-user {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 18px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4, #ec4899);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
}

.user-name {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
}

.user-role {
    font-size: 13px;
    color: var(--cyan-glow);
}

.review-stars {
    color: #f59e0b;
    margin-bottom: 12px;
    font-size: 16px;
}

.review-content {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    padding: 22px 28px;
    font-size: 19px;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.faq-question:hover {
    color: var(--cyan-glow);
}

.faq-toggle {
    font-size: 24px;
    color: var(--pink-glow);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 28px 22px;
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 5px;
    padding-top: 18px;
}

.faq-item.active .faq-answer {
    display: block;
}

/* Blog / Articles Section */
.articles-section {
    padding: 80px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--card-bg);
    border: 1px solid var(--border-purple);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(16px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    border-color: var(--cyan-glow);
    box-shadow: var(--shadow-cyan);
}

.article-tag {
    font-size: 13px;
    color: var(--cyan-glow);
    background: rgba(34, 211, 238, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    align-self: flex-start;
    margin-bottom: 14px;
    border: 1px solid var(--border-cyan);
}

.article-title {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.5;
}

.article-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: var(--pink-glow);
}

.article-excerpt {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-readmore {
    font-size: 15px;
    font-weight: bold;
    color: var(--cyan-glow);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.article-readmore:hover {
    color: var(--pink-glow);
    transform: translateX(4px);
}

/* 66 Keywords Tag Cloud Section */
.tags-section {
    padding: 60px 0 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 30px;
}

.tag-item {
    font-size: 14px;
    color: #cbd5e1;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(34, 211, 238, 0.2);
    padding: 8px 16px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag-item:hover {
    color: var(--cyan-glow);
    border-color: var(--cyan-glow);
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
    transform: scale(1.05);
    background: rgba(34, 211, 238, 0.12);
}

/* Footer */
.site-footer {
    background: rgba(15, 23, 42, 0.95);
    border-top: 1px solid var(--border-cyan);
    padding: 60px 0 30px;
    color: var(--text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: var(--text-dim);
}

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

/* Article Template Internal Styling */
.article-page {
    padding: 60px 0 90px;
}

.article-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    color: var(--cyan-glow);
    font-size: 15px;
    margin-bottom: 15px;
}

.article-body {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--border-cyan);
    border-radius: 24px;
    padding: 50px 40px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 35px rgba(0, 0, 0, 0.4);
    font-size: 17px;
    line-height: 1.95;
    color: #e2e8f0;
}

.article-body h2 {
    font-size: 26px;
    color: #fff;
    margin: 35px 0 18px;
    border-left: 4px solid var(--cyan-glow);
    padding-left: 15px;
}

.article-body h3 {
    font-size: 21px;
    color: var(--pink-glow);
    margin: 25px 0 14px;
}

.article-body p {
    margin-bottom: 20px;
    text-align: justify;
}

.article-body ul, .article-body ol {
    margin: 18px 0 24px 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body code {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-cyan);
    color: var(--cyan-glow);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-code);
    font-size: 15px;
}

.article-cta-box {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(244, 114, 182, 0.15));
    border: 1px solid var(--cyan-glow);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 25px rgba(34, 211, 238, 0.2);
}

.article-cta-box h3 {
    color: #fff;
    margin-bottom: 12px;
}

.article-cta-box p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-nav a {
    color: var(--cyan-glow);
    text-decoration: none;
    font-weight: bold;
}

.article-nav a:hover {
    color: var(--pink-glow);
}

@media (max-width: 1200px) {
    .nav-menu {
        gap: 8px;
    }
    .nav-link {
        font-size: 15px;
        padding: 5px 8px;
    }
    .brand-title {
        font-size: 20px;
    }
    .header-cta {
        padding: 8px 16px;
        font-size: 14px;
    }
}

/* Responsive Queries (Mobile & Desktop Auto-Adjustment) */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 25px 0;
        border-bottom: 1px solid var(--border-cyan);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    }
    .nav-menu.show {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 17px;
    }
    .pricing-card.popular {
        transform: none;
    }
    .article-body {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .hero-section {
        padding: 50px 0 40px;
    }
    .hero-title {
        font-size: 26px;
        line-height: 1.35;
    }
    .cyber-badge {
        font-size: 14px;
        padding: 6px 14px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 14px;
        width: 100%;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        padding: 14px 20px;
        font-size: 17px;
        text-align: center;
    }
    .features-grid, .pricing-grid, .download-grid, .step-flow, .articles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .pricing-card {
        padding: 30px 20px;
    }
    .price-amount {
        font-size: 40px;
    }
    .section-title {
        font-size: 26px;
    }
    .section-subtitle {
        font-size: 15px;
    }
    .tags-cloud {
        gap: 8px;
    }
    .tag-item {
        font-size: 13px;
        padding: 6px 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .article-header .hero-title {
        font-size: 24px;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 18px;
    }
}