:root {
    /* 品牌主色 */
    --color-primary: #1565c0;
    --color-primary-light: #1e88e5;
    --color-primary-dark: #0d47a1;
    --color-primary-subtle: #e3f2fd;
    --color-primary-hover-bg: #f0f7ff;
    --color-primary-shadow: rgba(21, 101, 192, 0.35);
    --color-primary-shadow-hover: rgba(21, 101, 192, 0.45);
    --color-primary-ring: rgba(21, 101, 192, 0.12);

    /* 中性色 */
    --color-text: #334155;
    --color-text-heading: #1e293b;
    --color-text-muted: #64748b;
    --color-text-subtle: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-muted: #fafbfc;

    /* 页脚 */
    --color-footer-bg: #1e293b;
    --color-footer-border: #334155;
    --color-footer-text: #94a3b8;

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    --gradient-primary-horizontal: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    --gradient-page-hero: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-primary-subtle) 100%);
    --gradient-section-accent: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 36px;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary-horizontal);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 40px 20px 10px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.nav-links {
    margin-left: auto;
}

.logo-link {
    text-decoration: none;
    flex-shrink: 1;
    min-width: 0;
}

.logo {
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-heading);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 7px;
    color: var(--color-text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    text-align: center;
    white-space: nowrap;
    max-width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 14px;
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    cursor: pointer;
    padding: 8px;
    margin: 0;
    border: none;
    background: transparent;
    border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-heading);
    margin: 3px 0;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.8;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--color-primary-shadow);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px var(--color-primary-shadow-hover);
}

.fullpage-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.1);
    transition: transform 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide.active .slide-bg {
    transform: scale(1);
}

.slide-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.2), transparent);
}

.slide-text {
    max-width: 600px;
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.slide-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-weight: 500;
}

.slide-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
}

.slide-btn {
    display: inline-block;
    padding: 16px 45px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.slide-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.carousel-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.indicator.active {
    background: #fff;
    border-color: #fff;
    transform: scale(1.3);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

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

.about {
    padding: 120px 0;
    background: var(--color-bg);
}

.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    color: var(--color-text-heading);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 5px;
}

.products {
    padding: 120px 0;
    background: var(--color-bg-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--color-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 220px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.product-info p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-features li {
    padding: 6px 14px;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.specs {
    padding: 120px 0;
    background: var(--color-bg-alt);
}

.specs-table {
    overflow-x: auto;
}

.specs-table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--color-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.specs-table th,
.specs-table td {
    padding: 18px 22px;
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
    transition: all 0.2s ease;
}

.specs-table th {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.specs-table th:first-child {
    border-top-left-radius: 16px;
}

.specs-table th:last-child {
    border-top-right-radius: 16px;
}

.specs-table tbody tr:nth-child(even) {
    background: var(--color-bg-muted);
}

.specs-table tbody tr:nth-child(odd) {
    background: var(--color-bg);
}

.specs-table tbody tr:hover {
    background: var(--color-primary-hover-bg);
}

.specs-table tbody tr:hover td {
    color: var(--color-primary);
}

.specs-table tbody tr:last-child td:first-child {
    border-bottom-left-radius: 16px;
}

.specs-table tbody tr:last-child td:last-child {
    border-bottom-right-radius: 16px;
}

.specs-table tbody tr:last-child td {
    border-bottom: none;
}

.specs-table td {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

.applications {
    padding: 120px 0;
    background: var(--gradient-section-accent);
}

.applications .section-title,
.applications .section-subtitle {
    color: #fff;
}

.applications .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.application-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.application-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.application-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-icon svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.application-card h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 15px;
}

.application-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

.contact {
    padding: 120px 0;
    background: var(--color-bg-alt);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.contact-item h4 {
    color: var(--color-text-heading);
    font-size: 16px;
    margin-bottom: 5px;
}

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

.contact-form {
    background: var(--color-bg);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-notice {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-muted);
    padding: 14px 16px;
    background: var(--color-primary-subtle);
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
    margin: 0;
}

.form-notice strong {
    color: var(--color-primary);
    font-weight: 600;
}

.form-select-wrap {
    position: relative;
}

.form-select-wrap::after {
    content: '';
    position: absolute;
    right: 18px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Noto Sans SC', sans-serif;
    transition: all 0.3s ease;
    outline: none;
    background: var(--color-bg);
}

.contact-form select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 44px;
    cursor: pointer;
    color: var(--color-text-heading);
    font-weight: 500;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.form-feedback {
    font-size: 14px;
    margin: -4px 0 0;
    padding: 10px 14px;
    border-radius: 8px;
}

.form-feedback--success {
    color: #166534;
    background: #f0fdf4;
}

.form-feedback--error {
    color: #991b1b;
    background: #fef2f2;
}

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

.contact-form button {
    padding: 15px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--color-primary-shadow);
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--color-primary-shadow-hover);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
    font-family: 'Noto Serif SC', serif;
}

.footer-section p {
    color: var(--color-footer-text);
    font-size: 14px;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--color-footer-text);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-footer-border);
}

.footer-bottom p {
    color: var(--color-text-subtle);
    font-size: 13px;
}

.footer-legal {
    line-height: 1.8;
}

.footer-legal-sep {
    margin: 0 0.4em;
    opacity: 0.6;
}

.footer-legal a {
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--color-primary-light);
}

@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

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

    .hero-description {
        margin: 0 auto 40px;
    }

    .about-content {
        flex-direction: column;
    }

    .about-text {
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    #header > .nav {
        padding: 12px 16px;
        align-items: center;
    }

    #header > .nav .logo-text {
        font-size: 20px;
        letter-spacing: 0.5px;
        line-height: 1.35;
    }

    #header > .nav .logo-sub {
        font-size: 6px;
        letter-spacing: 1.5px;
        margin-top: 2px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-left: 0;
        background: var(--color-bg);
        flex-direction: column;
        gap: 0;
        padding: 6px 0 10px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--color-border-light);
        max-height: calc(100dvh - 72px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 14px 20px;
        font-size: 16px;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: var(--color-primary-hover-bg);
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 0 20px;
    }

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

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

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

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

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

    .specs-table th,
    .specs-table td {
        padding: 12px 10px;
        font-size: 12px;
    }
}

.page-hero {
    padding: 120px 0 60px;
    text-align: center;
    background: var(--gradient-page-hero);
}

.page-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 15px;
}

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

.home-about {
    padding: 80px 0;
    background: var(--color-bg);
}

.home-about-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.home-about-image {
    flex: 1;
}

.home-about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.home-about-text {
    flex: 1;
}

.home-about-text h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    color: var(--color-text-heading);
    margin-bottom: 20px;
}

.home-about-text p {
    color: var(--color-text-muted);
    margin-bottom: 25px;
    line-height: 1.8;
}

.learn-more {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.learn-more:hover {
    background: var(--color-primary);
    color: #fff;
}

.home-products {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.view-all {
    text-align: center;
    margin-top: 40px;
}

.view-all a {
    display: inline-block;
    padding: 12px 35px;
    background: var(--gradient-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--color-primary-shadow);
}

.view-all a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--color-primary-shadow-hover);
}

.home-contact {
    padding: 80px 0;
    background: var(--gradient-primary);
    text-align: center;
}

.home-contact-content h3 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 15px;
}

.home-contact-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.contact-btn {
    display: inline-block;
    padding: 15px 40px;
    background: #fff;
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

.about-content-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.about-stats-section {
    padding: 60px 0;
    background: var(--gradient-page-hero);
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.about-values {
    padding: 80px 0;
    background: var(--color-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--color-bg-alt);
    padding: 35px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    background: var(--color-primary-subtle);
    transform: translateY(-5px);
}

.value-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 15px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.value-card h3 {
    color: var(--color-text-heading);
    font-size: 18px;
    margin-bottom: 10px;
}

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

.products-section {
    padding: 60px 0;
    background: var(--color-bg);
}

.applications-section {
    padding: 60px 0;
    background: var(--gradient-section-accent);
}

.applications-section .section-title,
.applications-section .section-subtitle {
    color: #fff;
}

.applications-section .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.applications-detail {
    padding: 80px 0;
    background: var(--color-bg);
}

.applications-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.detail-card {
    background: var(--color-bg-alt);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.detail-image {
    height: 200px;
    overflow: hidden;
}

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

.detail-content {
    padding: 25px;
}

.detail-content h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.detail-content p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.contact-section {
    padding: 60px 0;
    background: var(--color-bg-alt);
}

.contact-map {
    padding: 60px 0;
    background: var(--color-bg);
}

.map-placeholder {
    text-align: center;
    padding: 40px;
    background: var(--color-bg-alt);
    border-radius: 15px;
}

.map-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.map-placeholder p {
    color: var(--color-text-heading);
    font-size: 16px;
    margin-bottom: 10px;
}

.map-hint {
    color: var(--color-text-muted) !important;
    font-size: 14px !important;
}

@media (max-width: 1024px) {
    .home-about-content {
        flex-direction: column;
    }
    
    .about-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }
    
    .home-about-content {
        gap: 30px;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 30px;
    }

    .contact-form select {
        min-height: 52px;
        font-size: 16px;
        padding: 16px 44px 16px 18px;
        border-radius: 12px;
        background-color: var(--color-bg-alt);
    }

    .form-select-wrap::after {
        right: 20px;
        width: 9px;
        height: 9px;
        border-color: var(--color-primary);
    }
}