/* 饿饭CC云 官方网站样式文件 */

/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #0A1628;
    --primary-orange: #FF6B00;
    --primary-orange-hover: #E85A00;
    --secondary-dark: #1A2A3A;
    --accent-cyan: #00D4FF;
    --text-gray: #6B7A8A;
    --text-light: #F5F7FA;
    --white: #FFFFFF;
    --card-bg: #1E2D3D;
    --border-color: #2A3A4A;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
    --radius-card: 12px;
    --radius-btn: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--primary-dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
}

.nav-logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-logo .badge {
    font-size: 0.7rem;
    background: var(--primary-orange);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-light);
    padding: 8px 0;
    transition: var(--transition);
}

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

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--secondary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 10px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-dropdown a:hover {
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary-orange);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-orange-hover);
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-orange);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    color: var(--primary-orange);
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--white) 0%, var(--text-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    animation: fadeInUp 0.8s ease;
    animation-fill-mode: both;
}

.hero-feature-tag:nth-child(1) { animation-delay: 0.2s; }
.hero-feature-tag:nth-child(2) { animation-delay: 0.4s; }
.hero-feature-tag:nth-child(3) { animation-delay: 0.6s; }

.hero-trust {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.hero-trust span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.hero-link {
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

/* Hero Visual - Client Simulator */
.hero-visual {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.client-simulator {
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.simulator-header {
    background: var(--secondary-dark);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.simulator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.simulator-dot.red { background: #FF5F56; }
.simulator-dot.yellow { background: #FFBD2E; }
.simulator-dot.green { background: #27C93F; }

.simulator-title {
    margin-left: 10px;
    font-size: 0.85rem;
    color: var(--text-gray);
}

.simulator-body {
    padding: 24px;
}

.simulator-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #27C93F;
    animation: pulse 2s infinite;
}

.status-text {
    font-size: 0.9rem;
    color: #27C93F;
    font-weight: 600;
}

.status-info {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.simulator-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.metric-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.metric-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.simulator-nodes {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 12px;
}

.nodes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.nodes-title {
    font-size: 0.85rem;
    color: var(--text-light);
}

.nodes-count {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.15);
    padding: 2px 8px;
    border-radius: 10px;
}

.nodes-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.node-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-gray);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 12px;
}

.node-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #27C93F;
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    background: var(--secondary-dark);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-orange);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* Section Common */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    background: rgba(255, 107, 0, 0.15);
    color: var(--primary-orange);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Tech Section */
.tech-section {
    background: var(--primary-dark);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tech-flow {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tech-flow-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-flow-item:hover {
    border-color: var(--accent-cyan);
    transform: translateX(5px);
}

.tech-flow-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-flow-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.tech-flow-text p {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.tech-arrow {
    text-align: center;
    color: var(--accent-cyan);
    font-size: 1.2rem;
    animation: bounce 1s infinite;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tech-feature-card {
    padding: 24px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-feature-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.tech-feature-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

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

/* Features Section */
.features-section {
    background: var(--secondary-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 30px 24px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--accent-cyan));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-orange);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(0, 212, 255, 0.2));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    font-size: 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    padding: 4px 10px;
    border-radius: 12px;
}

/* Scenarios Section */
.scenarios-section {
    background: var(--primary-dark);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.scenario-card {
    padding: 30px 24px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.scenario-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.scenario-pain {
    font-size: 0.85rem;
    color: #FF6B6B;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 8px;
}

.scenario-solution {
    font-size: 0.85rem;
    color: #27C93F;
    padding: 8px 12px;
    background: rgba(39, 201, 63, 0.1);
    border-radius: 8px;
    margin-bottom: 12px;
}

.scenario-audience {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* Pricing Section */
.pricing-section {
    background: var(--secondary-dark);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.toggle-label {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
    background: var(--card-bg);
    border-radius: 14px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.toggle-switch.active {
    background: var(--primary-orange);
    border-color: var(--primary-orange);
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch.active .toggle-slider {
    left: calc(100% - 23px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: center;
}

.pricing-card {
    padding: 36px 30px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
    border-color: var(--primary-orange);
    transform: scale(1.02);
    box-shadow: 0 8px 40px rgba(255, 107, 0, 0.2);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-6px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-orange);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.pricing-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-orange);
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 400;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.pricing-feature::before {
    content: '✓';
    color: #27C93F;
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--primary-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 30px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.testimonial-stars {
    color: #FFD700;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-info h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* News Section */
.news-section {
    background: var(--secondary-dark);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.news-card:hover .news-title {
    color: var(--primary-orange);
}

.news-image {
    height: 180px;
    background: linear-gradient(135deg, var(--secondary-dark), var(--card-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.news-content {
    padding: 24px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-tag {
    font-size: 0.75rem;
    background: rgba(255, 107, 0, 0.15);
    color: var(--primary-orange);
    padding: 4px 10px;
    border-radius: 10px;
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.news-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    transition: var(--transition);
}

.news-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    background: var(--primary-dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq-item:hover {
    border-color: var(--primary-orange);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-orange);
}

.faq-arrow {
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.7;
}

.faq-steps {
    margin-top: 12px;
    padding-left: 20px;
}

.faq-steps li {
    margin-bottom: 8px;
    list-style: decimal;
}

/* Footer */
.footer {
    background: var(--secondary-dark);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 280px;
}

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

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--card-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    padding: 6px 0;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-orange);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-gray);
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

/* Friend Links */
.friend-links {
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.friend-links-title {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 10px;
}

#my-friend-links {
    font-size: 0.85rem;
    color: var(--text-gray);
}

#my-friend-links a {
    color: var(--text-gray);
    margin-right: 15px;
    transition: var(--transition);
}

#my-friend-links a:hover {
    color: var(--primary-orange);
}

/* Download Page */
.download-hero {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.download-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.download-hero p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.download-platforms {
    padding: 60px 0;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.platform-card {
    padding: 40px 24px;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-orange);
}

.platform-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.platform-name {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.platform-version {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.platform-card .btn {
    width: 100%;
}

.download-notice {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-card);
    text-align: center;
}

.download-notice h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--accent-cyan);
}

.download-notice p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* Sitemap Page */
.sitemap-hero {
    padding: 120px 0 40px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.sitemap-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.sitemap-content {
    padding: 60px 0;
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.sitemap-column {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    padding: 30px;
}

.sitemap-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-orange);
}

.sitemap-column a {
    display: block;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text-light);
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sitemap-column a:last-child {
    border-bottom: none;
}

.sitemap-column a:hover {
    color: var(--primary-orange);
    transform: translateX(6px);
}

/* Other Pages Common */
.page-hero {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 60px 0;
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1199px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        padding: 10px 0 10px 20px;
        box-shadow: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .scenarios-grid,
    .pricing-grid,
    .testimonials-grid,
    .news-grid,
    .sitemap-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}