/* SYNO-TECH Website Styles - ToB Professional Design */

:root {
    --primary-color: lch(10.23% 14.75 294.77);
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --text-primary: #eaeaea;
    --text-secondary: #b8b8b8;
    --border-color: #2a2a3e;
    --highlight: #fff;
    --success: #00ff88;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-color);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ecebf4;
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
    text-decoration: none;
}
.logoImg{
    height: 120px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: #433290;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
    text-transform: capitalize;
    letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: #bdbcc2;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-switcher button {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
}

.lang-switcher button:hover {
    border-color: #433290;
    color: #433290;
}

.lang-switcher button.active {
    background: #433290;
    border-color: #433290;
    color: #fff;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 3px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: 2px solid var(--highlight);
    background: transparent;
    color: var(--highlight);
    text-decoration: none;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 1px;
    transition: all 0.3s;
    cursor: pointer;
    display: inline-block;
}

.btn:hover {
    background: #433290;
    color: #fff;
    transform: translateY(-2px);
    border: 0;
}

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

.btn-primary:hover {
    background: #433290;
    border-color: #433290;
}

/* Product Icons Grid */
.product-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 1000px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.product-icon {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s;
    cursor: pointer;
}

.product-icon:hover {
    border-color: var(--highlight);
    transform: translateY(-5px);
    background: #1b143a;
}

.product-icon svg {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    fill: var(--highlight);
}

.product-icon h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-icon p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Section Styles */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    letter-spacing: 2px;
    margin-top: 80px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 300;
}

/* Product Matrix */
.product-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--highlight);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.product-card:hover {
    border-color: var(--highlight);
    transform: translateY(-5px);
    background: #1b143a;
}

.product-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--highlight);
}

.product-card .product-type {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-card .product-for {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.product-card .product-specs {
    list-style: none;
    margin-bottom: 2rem;
}

.product-card .product-specs li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.product-card .product-specs li:last-child {
    border-bottom: none;
}

.product-card .spec-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 0.5rem;
}

.product-infodiv{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}


/* Partnership Paths */
.partnership-paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.path-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 1rem;
    position: relative;
}

.path-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 40px;
    height: 40px;
    background: var(--highlight);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    border-radius: 50%;
}

.path-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 1rem;
    color: var(--highlight);
}

.path-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.path-visual {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--border-color);
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.path-features {
    list-style: none;
}

.path-features li {
    padding: 0.8rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.path-features li:last-child {
    border-bottom: none;
}

.path-features li::before {
    content: '→';
    color: var(--highlight);
    margin-right: 0.5rem;
    font-weight: bold;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    width: 45%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) {
    left: 55%;
    text-align: left;
    padding-left: 3rem;
}

.timeline-year {
    font-size: 2rem;
    font-weight: 700;
    color: var(--highlight);
    margin-bottom: 0.5rem;
}

.timeline-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--highlight);
    border-radius: 50%;
    top: 0;
    border: 3px solid var(--primary-color);
}

.timeline-item:nth-child(odd)::after {
    right: -8px;
}

.timeline-item:nth-child(even)::after {
    left: -8px;
}

/* Partners */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.partner-logo {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    transition: all 0.3s;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.partner-logo:hover {
    border-color: var(--highlight);
    background: #1b143a;
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 3rem auto;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight);
    background: rgba(255, 255, 255, 0.08);
}

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

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 4rem 0;
    padding: 2rem;
}

.badge {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    min-width: 150px;
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--highlight);
    margin-bottom: 0.5rem;
}

.badge-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: capitalize;
    letter-spacing: 1px;
}

/* Footer */
.footer {
    background: #ecebf4;
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 6rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer p {
    color: #433290;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin-top: 2rem;
}

.footer-links a {
    color: #433290;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap; /* 允许换行 */
        padding: 10px 20px;
    }
    .lang-switcher{
        margin-left: 60%;
    }

    /* 调整logo大小，适配移动端 */
    .logo img {
        height: 30px;
        margin-bottom: 0;
    }
    .nav-links {
        gap: 1.5rem;
        font-size: 0.85rem;
        margin-bottom : 10px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .product-icons {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-matrix {
        grid-template-columns: 1fr;
    }
    .product-infodiv{
        display: block;
    }

    .partnership-paths {
        grid-template-columns: 1fr;
    }

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

    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }

    .timeline-item::after {
        left: 12px !important;
    }

    .section-title {
        font-size: 2rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}