:root {
    --primary: #8B0000;
    --secondary: #B22222;
    --accent: #FFD700;
    --accent-purple: #FF6B6B;
    --bg-dark: #1A0000;
    --text-light: #FFF5F5;
    --text-muted: #D4A5A5;
    --gradient: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(139, 0, 0, 0.3);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
}

.navbar .logo img {
    height: 60px;
    width: auto;
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background-clip: initial;
}

.nav-links {
    display: flex;
    gap: 32px;
    flex-wrap: nowrap;
}

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

.nav-links a {
    font-size: 15px;
    color: var(--text-light);
    position: relative;
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-light);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--primary);
    padding: 80px 32px;
    transition: 0.4s ease;
    z-index: 999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 998;
    opacity: 0;
    transition: 0.4s ease;
}

.overlay.active {
    opacity: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, #FFD700 0%, #B22222 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
}

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

.btn-secondary:hover {
    background: var(--accent);
    color: var(--primary);
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .subtitle {
    font-size: 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--secondary) 0%, var(--bg-dark) 70%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 215, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 215, 0, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

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

.hero-decoration {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(123, 47, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.floating-badge {
    position: absolute;
    padding: 12px 20px;
    background: rgba(30, 58, 95, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    font-size: 14px;
    animation: float 3s ease-in-out infinite;
}

.floating-badge:nth-child(1) {
    top: 25%;
    right: 5%;
    animation-delay: 0s;
}

.floating-badge:nth-child(2) {
    top: 45%;
    left: 8%;
    animation-delay: 1s;
}

.floating-badge:nth-child(3) {
    top: 65%;
    right: 12%;
    animation-delay: 2s;
}

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

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

.feature-card {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 60px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 58, 95, 0.3) 50%, transparent 100%);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

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

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

.product-card {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.2) 0%, transparent 60%);
}

.product-image svg {
    width: 64px;
    height: 64px;
    stroke: var(--accent);
    opacity: 0.6;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.product-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

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

.tag {
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent);
}

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

.about-image {
    max-height: 400px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.about-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 60%);
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.about-list {
    margin: 24px 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.about-list svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent);
}

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

.news-card {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.news-image {
    height: 180px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    position: relative;
}

.news-date {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gradient);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.news-info {
    padding: 24px;
}

.news-info h3 {
    font-size: 16px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-info p {
    font-size: 14px;
    color: var(--text-muted);
}

.cta-section {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 100%, rgba(123, 47, 255, 0.2) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.footer {
    background: var(--primary);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    font-size: 28px;
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-light);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent);
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.social-link:hover svg {
    stroke: var(--primary);
}

.social-link svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.beian-info {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.beian-info a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.beian-info a:hover {
    color: var(--primary);
}

.beian-info img {
    opacity: 0.7;
}

.friend-links {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.friend-links .footer-title {
    margin-bottom: 15px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.friend-links-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    transition: all 0.3s;
}

.friend-links-list a:hover {
    background: var(--accent);
    color: white;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.page-header {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--secondary) 0%, var(--bg-dark) 70%);
}

.page-header::after {
    content: '';
    position: absolute;
    inset: 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;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 18px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb span {
    color: var(--accent);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-purple) 100%);
}

.timeline-item {
    display: flex;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-content {
    width: 45%;
    padding: 24px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-muted);
}

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

.team-card {
    text-align: center;
}

.team-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--accent);
}

.team-avatar svg {
    width: 48px;
    height: 48px;
    stroke: var(--accent);
}

.team-card h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.team-card .position {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 8px;
}

.team-card p {
    font-size: 13px;
    color: var(--text-muted);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 30px;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--gradient);
    border-color: transparent;
    color: white;
}

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

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

.news-card {
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.news-date {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 20px;
    text-align: center;
    min-width: 100px;
}

.news-date .day {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 8px;
}

.news-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-light);
    line-height: 1.4;
}

.news-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.news-link:hover {
    gap: 12px;
}

.news-meta {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.news-detail {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-content {
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    padding: 40px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    white-space: pre-wrap;
    word-break: break-word;
}

.news-detail-footer {
    margin-top: 32px;
    text-align: center;
}

.case-card {
    position: relative;
    height: 280px;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.case-card .case-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    transition: var(--transition);
}

.case-card:hover .case-bg {
    transform: scale(1.05);
}

.case-card .case-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card:hover .case-image {
    transform: scale(1.05);
}

.case-card .case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(5, 13, 24, 0.9) 100%);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.case-card .tag {
    position: absolute;
    top: 16px;
    left: 16px;
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.case-card p {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item .icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item .icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
}

.contact-item h4 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 400;
}

.contact-item p {
    font-size: 16px;
}

.wechat-qrcodes {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.wechat-qrcodes h4 {
    color: var(--primary);
    font-size: 18px;
    margin-bottom: 16px;
}

.qrcode-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.qrcode-item img {
    width: 140px;
    height: 140px;
    border-radius: 8px;
    border: 2px solid var(--primary);
    padding: 4px;
}

.qrcode-item p {
    margin-top: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-form {
    padding: 40px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(10, 22, 40, 0.6) 100%);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
}

.contact-form-wrapper {
    width: 100%;
}

.contact-form-wrapper h3 {
    font-size: 24px;
    margin-bottom: 24px;
}

.form-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    word-wrap: break-word;
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(5, 13, 24, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

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

.form-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-message .success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(34, 197, 94, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.form-message .success-icon svg {
    color: #22c55e;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .features,
    .stats,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .hero h1 {
        font-size: 44px;
    }

    .hero-decoration {
        display: none;
    }

    .floating-badge {
        display: none;
    }
}

@media (max-width: 1024px) {
    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 14px;
        padding: 6px 8px;
    }

    .logo {
        font-size: 20px;
    }
}

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

    .menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 32px;
    }

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

    .features,
    .stats,
    .products-grid,
    .news-grid,
    .cases-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .about-preview {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 280px;
    }

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

    .contact-form {
        padding: 20px;
    }

    .contact-form-wrapper h3 {
        font-size: 20px;
    }

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

    .form-message {
        padding: 12px 16px;
        font-size: 14px;
    }

    .form-message .success-icon {
        width: 24px;
        height: 24px;
    }

    .form-message .success-icon svg {
        width: 16px;
        height: 16px;
    }

    .news-detail-content {
        padding: 20px;
        font-size: 14px;
    }

    .news-meta {
        flex-direction: column;
        gap: 8px;
    }
}

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

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        text-align: left;
        padding-left: 50px;
    }

    .timeline-content {
        width: 100%;
    }

    .timeline-dot {
        left: 20px;
    }

    .filter-tabs {
        gap: 8px;
    }

    .filter-tab {
        padding: 8px 16px;
        font-size: 13px;
    }
}