/*
 * 北京鹏玥同乐科技有限公司 - 官网样式
 * AI推理效能优化专家
 */

:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --bg-dark: #0a0a0f;
    --bg-card: #111118;
    --bg-hover: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border: #2a2a3a;
    --accent: #ff6b00;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 19px;
    line-height: 1.3;
    letter-spacing: 1px;
}

.logo-text-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 12px;
    border-left: 2px solid var(--border);
    margin-left: 4px;
}

.logo-slogan {
    font-size: 11px;
    color: var(--primary);
    font-weight: 400;
    letter-spacing: 3px;
    line-height: 1;
    text-transform: uppercase;
    opacity: 0.85;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
    pointer-events: none;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: glowPulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    transform: rotate(45deg);
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    border-radius: 50%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-20px) rotate(5deg); opacity: 0.6; }
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 100px;
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px var(--primary);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-title-line {
    display: block;
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--primary) 0%, #00ffcc 50%, var(--primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 3s linear infinite;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5));
}

@keyframes gradientFlow {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    animation: fadeInUp 0.8s ease-out 1s backwards, bounce 2s infinite 1s;
    cursor: pointer;
    text-decoration: none;
}

.scroll-indicator::after {
    content: '';
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(45deg);
    animation: scrollArrow 2s infinite;
}

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

@keyframes scrollArrow {
    0% { transform: rotate(45deg) translate(-5px, -5px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: rotate(45deg) translate(5px, 5px); opacity: 0; }
}

.btn {
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

/* Stats Bar */
.stats-bar {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 60px 24px;
    position: relative;
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 24px 16px;
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.stat-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
    font-family: 'Courier New', monospace;
}

.stat-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Section */
.section {
    padding: 80px 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 100px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 28px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.08);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.05));
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tech Stack */
.tech-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.tech-item {
    padding: 24px 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.tech-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.tech-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tech-item p {
    font-size: 12px;
    color: var(--text-muted);
}

/* Status Section */
.status-section {
    text-align: center;
}

.status-card {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 20px;
    padding: 48px 40px;
    max-width: 700px;
    margin: 0 auto;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.25);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
}

.status-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.status-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.timeline {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 32px;
}

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

.timeline-dot {
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    margin: 0 auto 10px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.timeline-item.future .timeline-dot {
    background: var(--border);
    box-shadow: none;
}

.timeline-date {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.timeline-item.future .timeline-date {
    color: var(--text-muted);
}

.timeline-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    background: rgba(0, 212, 255, 0.02);
    border-top: 1px solid var(--border);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-options {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px 36px;
    text-align: center;
    min-width: 200px;
    transition: all 0.3s;
}

.contact-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.contact-card h4 {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.contact-card a {
    font-size: 16px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* Section Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header.centered {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title-large {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Problem Section */
.problem-section {
    padding: 120px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all 0.3s;
}

.problem-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
}

.problem-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 24px;
}

.problem-icon svg {
    width: 100%;
    height: 100%;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.problem-card .highlight {
    color: var(--accent);
    font-weight: 600;
}

/* Solution Section */
.solution-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}

.solution-showcase {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.showcase-content {
    max-width: 480px;
}

.showcase-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.showcase-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.showcase-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.showcase-features {
    list-style: none;
    padding: 0;
}

.showcase-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.showcase-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* Visual Cards */
.visual-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.metric-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

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

.metric-label {
    font-size: 13px;
    color: var(--text-muted);
    width: 80px;
}

.metric-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    width: 60px;
}

.metric-value.large {
    font-size: 24px;
    color: var(--text-primary);
}

.metric-bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.metric-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--width);
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 4px;
    transition: width 1s ease;
}

.metric-row.optimized .metric-value {
    color: var(--primary);
}

.savings-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
}

.savings-badge.large {
    position: static;
    display: inline-block;
    margin-top: 20px;
    font-size: 18px;
    padding: 12px 24px;
}

/* Performance Visual */
.perf-metrics {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.perf-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--bg-dark);
    border-radius: 12px;
}

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

.perf-value {
    font-size: 16px;
}

.perf-value .old {
    color: var(--text-muted);
    text-decoration: line-through;
    margin-right: 8px;
}

.perf-value .new {
    color: var(--primary);
    font-weight: 600;
    font-size: 20px;
}

/* Cost Visual */
.cost-comparison {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.cost-item {
    flex: 1;
    text-align: center;
    padding: 24px;
    background: var(--bg-dark);
    border-radius: 12px;
}

.cost-item.after {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.cost-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.cost-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.cost-item.after .cost-value {
    color: var(--primary);
}

.cost-value .period {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.cost-arrow {
    font-size: 24px;
    color: var(--primary);
}

/* Tech Section */
.tech-section {
    padding: 120px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.tech-category h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-tag {
    display: inline-block;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.tech-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tech-tag.primary {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--primary);
}

/* Stats Section */
.stats-section {
    padding: 100px 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

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

.stat-large .stat-value {
    font-size: 56px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-suffix {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary);
}

.stat-large .stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* Roadmap Section */
.roadmap-section {
    padding: 120px 0;
    background: var(--bg-dark);
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.roadmap-item {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    position: relative;
}

.roadmap-marker {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.roadmap-item.completed .roadmap-marker {
    background: var(--primary);
    border-color: var(--primary);
}

.roadmap-item.active .roadmap-marker {
    background: var(--bg-card);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
}

.roadmap-content h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.roadmap-date {
    display: block;
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.roadmap-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.status-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 48px;
    padding: 20px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.cta-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 48px;
}

.cta-content {
    max-width: 500px;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-large svg {
    width: 20px;
    height: 20px;
}

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

.cta-contact a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 8px;
}

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

/* Footer */
.main-footer {
    padding: 80px 0 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 80px;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}

.footer-col h5 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.footer-company h5 {
    font-size: 15px;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.footer-slogan {
    font-size: 12px;
    color: var(--primary);
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-weight: 500;
    text-transform: uppercase;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-address {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-address svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 14px;
}

.footer-col ul li:last-child {
    margin-bottom: 0;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom-left a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.footer-bottom-left .divider {
    color: var(--border);
}

.police-icon {
    font-size: 12px;
}

.footer-bottom-right {
    display: flex;
    gap: 24px;
}

.footer-bottom-right a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Mobile Responsive */
@media (max-width: 1024px) {
    .section-title-large {
        font-size: 36px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .showcase-item {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .showcase-item.reverse {
        direction: ltr;
    }

    .tech-categories {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 48px 32px;
    }

    .cta-actions {
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-col {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom-left {
        justify-content: center;
    }

    .footer-bottom-right {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .logo-img {
        height: 32px;
    }

    .logo-text-wrap {
        padding-left: 10px;
        border-left: 1px solid var(--border);
    }

    .logo-text {
        font-size: 16px;
        letter-spacing: 0.5px;
    }

    .logo-slogan {
        font-size: 9px;
        letter-spacing: 2px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section {
        padding: 80px 20px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .section-title-large {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stat-value {
        font-size: 40px;
    }

    .cost-comparison {
        flex-direction: column;
    }

    .footer-links {
        gap: 12px 24px;
        justify-content: flex-start;
    }

    .footer-bottom-left {
        flex-direction: column;
        gap: 8px;
    }

    .footer-bottom-left .divider {
        display: none;
    }

    .footer-bottom-right {
        flex-wrap: wrap;
        gap: 16px;
    }
}

/* WeChat QR Modal */
.wechat-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat-modal.active {
    opacity: 1;
    visibility: visible;
}

.wechat-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    max-width: 320px;
    width: 90%;
    position: relative;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.wechat-modal.active .wechat-modal-content {
    transform: scale(1);
}

.wechat-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.wechat-modal-close:hover {
    color: var(--text-primary);
}

.wechat-qr {
    width: 200px;
    height: 200px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.wechat-tip {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.wechat-id {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}