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

/* Product Params Image Styles */
.params-image-container {
    width: 100%;
    background: var(--gray-100);
    border-radius: 10px;
    padding: 0;
    overflow: hidden;
}

.params-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

:root {
    --primary-green: #228B22;
    --dark-green: #006400;
    --light-green: #3CB371;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-600: #666666;
    --gray-800: #333333;
    --gray-900: #1a1a1a;
}

body {
    font-family: "Microsoft YaHei", "SimHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 75px;
}

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

.nav-links a {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.lang-switch {
    display: flex;
    gap: 5px;
}

.lang-switch button {
    padding: 5px 12px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.lang-switch button.active,
.lang-switch button:hover {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--gray-800);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    height: auto;
    min-height: 400px;
    overflow: hidden;
    margin-top: 105px;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 0;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: auto;
    padding-top: 40%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide.active {
    opacity: 1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    padding: 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(34, 139, 34, 0.4);
}

.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    transform: scale(1.2);
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--white);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* Products Section */
.products {
    padding: 80px 0;
    background: var(--gray-100);
}

.product-group-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 24px;
    padding-left: 14px;
    border-left: 4px solid var(--primary-green);
    line-height: 1.4;
}

.product-group-title + .products-slider-container {
    margin-bottom: 50px;
}

.products-slider-container {
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

.products-slider {
    display: flex;
    gap: 30px;
    padding: 10px 0;
    animation: scrollProducts 30s linear infinite;
}

.products-slider:hover {
    animation-play-state: paused;
}

@keyframes scrollProducts {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.product-card {
    flex: 0 0 calc((100% - 60px) / 3);
    min-width: calc((100% - 60px) / 3);
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    padding: 20px;
    background: var(--white);
}

.product-card h3 {
    padding: 20px 20px 10px;
    font-size: 1.3rem;
    color: var(--gray-900);
}

.product-card p {
    padding: 0 20px 25px;
    color: var(--gray-600);
}

.section-btn {
    text-align: center;
}

/* Tech Section */
.tech {
    padding: 80px 0;
    background: var(--white);
    overflow: hidden;
}

.tech-radial {
    position: relative;
    width: 100vw;
    height: 600px;
    margin: 60px 0 0;
    left: calc(-50vw + 50%);
}

.tech-bg-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 900px;
    height: auto;
    z-index: 1;
}

.tech-item {
    position: absolute;
    width: 190px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(60, 179, 113, 0.2);
    z-index: 10;
}

.tech-item:hover {
    background: rgba(60, 179, 113, 0.15);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 30px rgba(60, 179, 113, 0.3);
    border-color: var(--primary-green);
}

.tech-item:hover h4 {
    color: var(--primary-green);
}

.tech-top {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.tech-top-right {
    top: 100px;
    right: 30px;
}

.tech-bottom-right {
    bottom: 80px;
    right: 30px;
}

.tech-bottom {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.tech-bottom-left {
    bottom: 80px;
    left: 30px;
}

.tech-top-left {
    top: 100px;
    left: 30px;
}

.tech-item h4 {
    color: var(--gray-800);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.tech-desc {
    text-align: left;
}

.tech-desc p {
    color: var(--gray-600);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 6px;
}

.tech-desc p:last-child {
    margin-bottom: 0;
}

/* Production Base Section */
.production-base {
    padding: 80px 0;
    background: var(--white);
}

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

.production-text h2 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 30px;
}

.production-desc p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 20px;
}

.production-desc p:last-child {
    margin-bottom: 0;
}

.production-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background: var(--gray-100);
}

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

.solution-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
}

.solution-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.solution-card h4 {
    padding: 20px;
    font-size: 1.1rem;
    color: var(--gray-900);
    text-align: center;
}

/* Service Section */
.service {
    padding: 80px 0;
    background: var(--white);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-item {
    text-align: center;
    padding: 30px 15px;
    border: 1px solid rgba(34, 139, 34, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
    background: rgba(60, 179, 113, 0.1);
}

.service-item:hover {
    border-color: var(--primary-green);
    background: rgba(34, 139, 34, 0.1);
}

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon-wrapper img {
    width: 40px;
    height: 40px;
}

.service-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.service-item h4 {
    color: var(--gray-800);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-desc {
    text-align: left;
}

.service-desc p {
    color: var(--gray-600);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 8px;
}

.service-desc p:last-child {
    margin-bottom: 0;
}

/* About Preview Section */
.about-preview {
    padding: 80px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 30px;
}

.about-text .btn-outline {
    align-self: flex-start;
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.about-text .btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
}

.logo-wall {
    background: var(--gray-100);
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 60px;
}

.logo-wall-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 30px;
}

.logo-slider-container {
    overflow: hidden;
    width: 100%;
}

.logo-slider {
    display: flex;
    gap: 20px;
    animation: scrollLogos 25s linear infinite;
}

.logo-slider:hover {
    animation-play-state: paused;
}

@keyframes scrollLogos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.logo-item {
    flex: 0 0 120px;
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo-item img {
    max-width: 100%;
    max-height: 50px;
    object-fit: contain;
}

.about-contact {
    background: var(--gray-900);
    padding: 40px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info {
    display: flex;
    gap: 60px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon img {
    width: 25px;
    height: 25px;
}

.contact-content .contact-label {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.contact-content .contact-value {
    color: var(--white);
    font-size: 1rem;
    font-weight: 500;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
    text-decoration: none;
}

.contact-btn:hover {
    background: var(--dark-green);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.5);
}

.contact-btn:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 10px rgba(46, 125, 50, 0.3);
}

.contact-btn img {
    width: 20px;
    height: 20px;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 70px;
    margin-bottom: 20px;
}

.footer-info p {
    color: var(--gray-200);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 35px;
}

.social-links img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.social-links img[alt="X"] {
    width: auto;
    height: 26px;
}

.social-links img:hover {
    transform: scale(1.1);
}

.footer-contact h4,
.footer-qr h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-contact p {
    color: var(--gray-200);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact img {
    width: 20px;
    height: 20px;
}

.qr-container {
    display: flex;
    gap: 20px;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-item img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    margin-bottom: 8px;
}

.qr-item span {
    color: var(--gray-400);
    font-size: 0.85rem;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 20px;
    text-align: center;
    color: var(--gray-600);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .products-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    

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

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

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

    .products-grid,
    .solutions-grid,
    .tech-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-contact p {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

    .workshop-row {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 32px 0;
    }

    .workshop-row:nth-child(even) .workshop-text {
        order: 0;
    }
}

/* Contact Button */
.footer-contact .contact-btn {
    background: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-contact .contact-btn:hover {
    background: var(--dark-green);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.5);
}

.footer-contact .contact-btn:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 10px rgba(46, 125, 50, 0.3);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 15px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.3rem;
    color: var(--gray-900);
}

.modal-close {
    font-size: 2rem;
    font-weight: bold;
    color: var(--gray-400);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-600);
}

/* Form Styles */
#contactForm {
    padding: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(60, 179, 113, 0.05);
    color: var(--gray-800);
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: none;
    height: 120px;
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 5px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(34, 139, 34, 0.4);
}

.success-message {
    padding: 20px 25px;
    text-align: center;
    color: var(--primary-green);
}

.success-message p {
    font-size: 1.1rem;
}

/* ==========================================================
   Subpage / Shared Components
   ========================================================== */
:root {
    --gray-400: #9e9e9e;
    --gray-700: #4d4d4d;
}

/* Footer social icons (SVG based) */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
}

.social-links .social-icon {
    width: 35px;
    height: 35px;
    color: #bdbdbd;
    transition: transform 0.3s ease, color 0.3s ease;
}

.social-links a:hover .social-icon {
    color: var(--white);
    transform: scale(1.1);
}

/* Subpage hero banner */
.subpage-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 440px;
    padding: 170px 20px 90px;
    text-align: center;
    color: var(--white);
    background-color: var(--gray-900);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.subpage-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
}

/* 纯绿色底 hero（不使用底图） */
.subpage-hero--green {
    background-color: var(--primary-green);
    background-image: none;
}

.subpage-hero--green::before {
    display: none;
}

.subpage-hero--green .hero-eyebrow {
    border-color: rgba(255, 255, 255, 0.6);
}

/* 车间图文对应 */
.workshop-list {
    margin-top: 10px;
}

.workshop-row {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 56px;
    align-items: center;
    padding: 48px 0;
    border-bottom: 1px solid var(--gray-200);
}

.workshop-row:first-child {
    padding-top: 0;
}

.workshop-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.workshop-row:nth-child(even) .workshop-text {
    order: 2;
}

.workshop-text h3 {
    font-size: 1.6rem;
    color: var(--gray-900);
    margin: 10px 0 14px;
}

.workshop-text p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.9;
}

.workshop-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
    display: block;
}

.subpage-hero .hero-inner {
    position: relative;
    z-index: 1;
    max-width: 940px;
}

.subpage-hero .hero-eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 6px 18px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 30px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.subpage-hero h1 {
    font-size: 2.9rem;
    line-height: 1.25;
    margin-bottom: 18px;
    font-weight: 700;
}

.subpage-hero p {
    font-size: 1.1rem;
    opacity: 0.92;
    max-width: 760px;
    margin: 0 auto;
}

/* Sections */
.subpage-section {
    padding: 80px 0;
    background: var(--white);
}

.subpage-section.alt {
    background: var(--gray-100);
}

.subpage-section.tight {
    padding: 60px 0;
}

.sub-head {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 50px;
}

.sub-head .eyebrow {
    display: block;
    color: var(--primary-green);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.sub-head h2 {
    font-size: 2.1rem;
    color: var(--gray-900);
    margin-bottom: 14px;
    line-height: 1.3;
}

.sub-head p {
    color: var(--gray-600);
    font-size: 1.02rem;
}

.sub-head.left {
    text-align: left;
    margin-left: 0;
}

/* Two column intro */
.info-split {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
}

.info-split.reverse > .info-split-media {
    order: -1;
}

.info-split-media img {
    width: 100%;
    border-radius: 16px;
    display: block;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

.info-split-text h2 {
    font-size: 3.05rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.info-split-text h2 span {
    display: block;
    font-size: 1.05rem;
    color: var(--primary-green);
    font-weight: 600;
    margin-top: 8px;
    letter-spacing: 1px;
}

.info-split-text p {
    color: var(--gray-600);
    margin-top: 16px;
    line-height: 1.85;
}

.info-list {
    list-style: none;
    margin-top: 24px;
}

.info-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--gray-700);
}

.info-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--primary-green);
}

/* Stat strip */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 46px;
}

.stat-strip .stat-cell {
    background: var(--white);
    border-radius: 14px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.07);
}

.stat-strip .stat-cell strong {
    display: block;
    font-size: 2rem;
    color: var(--primary-green);
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-strip .stat-cell span {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.stat-strip.on-dark .stat-cell {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.stat-strip.on-dark .stat-cell span {
    color: rgba(255, 255, 255, 0.8);
}

/* Feature / advantage cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--white);
    border-radius: 16px;
    padding: 34px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    border-top: 4px solid var(--primary-green);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.feature-card .feature-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(34, 139, 34, 0.1);
    color: var(--primary-green);
    font-weight: 700;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.feature-card .en-name {
    display: block;
    font-size: 0.82rem;
    color: var(--primary-green);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.75;
}

/* Workflow steps */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.workflow-step {
    position: relative;
    background: var(--white);
    border-radius: 14px;
    padding: 32px 26px 28px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.workflow-step .step-no {
    position: absolute;
    top: -16px;
    left: 26px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary-green);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.workflow-step h4 {
    margin: 16px 0 8px;
    font-size: 1.1rem;
    color: var(--gray-900);
}

.workflow-step p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Parameter table */
.param-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.07);
}

.param-table th,
.param-table td {
    padding: 16px 22px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.97rem;
    vertical-align: top;
}

.param-table thead th {
    background: var(--primary-green);
    color: var(--white);
    font-weight: 600;
}

.param-table tbody tr:nth-child(even) {
    background: #fafafa;
}

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

.param-table td:first-child {
    width: 32%;
    color: var(--gray-900);
    font-weight: 600;
    background: rgba(34, 139, 34, 0.04);
}

.param-table td em {
    display: block;
    font-style: normal;
    color: var(--gray-400);
    font-size: 0.78rem;
    margin-top: 4px;
}

/* Case cards */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
}

.case-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: var(--gray-100);
    display: block;
}

.case-card .case-body {
    padding: 26px 28px 30px;
}

.case-card h3 {
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.case-card span {
    color: var(--primary-green);
    font-size: 0.86rem;
    font-weight: 600;
}

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

/* Scene gallery */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scene-grid figure {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.scene-grid img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.scene-grid figure:hover img {
    transform: scale(1.04);
}

/* Equipment detail (new device pages) */
.eq-gallery {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    align-items: start;
}

.eq-main-image {
    background: var(--gray-100);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 460px;
    padding: 30px;
}

.eq-main-image img {
    max-width: 100%;
    max-height: 430px;
    object-fit: contain;
}

.eq-thumbs {
    display: grid;
    gap: 18px;
}

.eq-thumb {
    background: var(--gray-100);
    border-radius: 12px;
    border: 3px solid transparent;
    cursor: pointer;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.25s ease;
}

.eq-thumb.active {
    border-color: var(--primary-green);
}

.eq-thumb img {
    max-width: 100%;
    max-height: 110px;
    object-fit: contain;
}

.eq-summary {
    background: var(--gray-100);
    border-radius: 16px;
    padding: 34px;
}

.eq-summary h3 {
    font-size: 1.3rem;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.eq-summary p {
    color: var(--gray-600);
    line-height: 1.8;
}

.eq-summary .eq-tags {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.eq-tags span {
    background: rgba(34, 139, 34, 0.1);
    color: var(--dark-green);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
}

.material-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.material-grid figure {
    background: var(--gray-100);
    border-radius: 12px;
    overflow: hidden;
}

.material-grid img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.material-grid figcaption {
    padding: 12px;
    font-size: 0.88rem;
    color: var(--gray-600);
    text-align: center;
}

/* Products page categories */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    height: 100%;
}

.product-card-item {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-card-image {
    height: 240px;
    padding: 20px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-card-content {
    padding: 0 20px 25px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card-content h3 {
    font-size: 1.3rem;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.product-card-content .subtitle {
    font-size: 0.88rem;
    color: var(--primary-green);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.product-card-content p {
    color: var(--gray-600);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 18px;
}

.view-detail-btn {
    align-self: flex-start;
    padding: 10px 22px;
    border-radius: 30px;
    background: var(--primary-green);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.3s ease;
}

.product-card-link:hover .view-detail-btn {
    background: var(--dark-green);
}

.category-block {
    margin-bottom: 70px;
}

.category-block:last-child {
    margin-bottom: 0;
}

.category-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gray-200);
}

.category-head h2 {
    font-size: 1.7rem;
    color: var(--gray-900);
}

.category-head span {
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.product-card-link--static {
    cursor: default;
}

.product-card-link--static:hover {
    transform: none;
}

.product-card-link--static .view-detail-btn {
    background: var(--gray-400);
    cursor: default;
}

/* CTA band */
.cta-band {
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: var(--white);
    padding: 64px 0;
    text-align: center;
}

.cta-band h2 {
    font-size: 2rem;
    margin-bottom: 14px;
}

.cta-band p {
    opacity: 0.92;
    max-width: 720px;
    margin: 0 auto 28px;
}

.cta-band .btn-light {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 30px;
    background: var(--white);
    color: var(--dark-green);
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-band .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.cta-band .btn-back {
    display: inline-block;
    margin-left: 14px;
    padding: 12px 34px;
    border-radius: 30px;
    border: 2px solid rgba(255, 255, 255, 0.85);
    background: transparent;
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.3s ease, background 0.3s ease;
}

.cta-band .btn-back:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateY(-3px);
}

@media (max-width: 560px) {
    .cta-band .btn-back {
        margin-left: 0;
        margin-top: 14px;
    }
}

/* Brand story page */
.story-cover {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 170px 20px 100px;
    background-position: center;
    background-size: cover;
    background-color: var(--gray-900);
}

.story-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.story-cover--green {
    background-color: var(--primary-green);
    background-image: none;
}

.story-cover--green::before {
    display: none;
}

.story-cover .hero-inner {
    position: relative;
    z-index: 1;
}

.story-cover h1 {
    font-size: 2.5rem;
    margin-bottom: 14px;
}

.story-cover .slogan {
    font-size: 1.5rem;
    color: #d7f5e1;
    letter-spacing: 2px;
}

.story-chapter {
    padding: 70px 0;
    border-bottom: 1px solid var(--gray-200);
}

.story-chapter:last-child {
    border-bottom: none;
}

.story-chapter .chapter-no {
    color: var(--light-green);
    font-weight: 700;
    letter-spacing: 3px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.story-chapter h2 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.story-chapter .chapter-sub {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 24px;
}

.story-chapter p {
    color: var(--gray-600);
    line-height: 1.95;
    margin-bottom: 16px;
}

/* Brand story slider */
.story-slider {
    overflow: hidden;
}

.story-track {
    display: flex;
    transition: transform 0.5s ease;
}

.story-track > .story-chapter {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 10px 0 40px;
    border-bottom: none;
}

.story-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-top: 10px;
}

.story-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--primary-green);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
}

.story-arrow:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--white);
}

.story-dots {
    display: flex;
    align-items: center;
    gap: 10px;
}

.story-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border-radius: 50%;
    border: none;
    background: var(--gray-200);
    cursor: pointer;
    transition: all 0.25s ease;
}

.story-dot.active {
    width: 28px;
    border-radius: 6px;
    background: var(--primary-green);
}

/* Solution / factory page helpers */
.prose {
    max-width: 940px;
}

.prose p {
    color: var(--gray-600);
    line-height: 1.95;
    margin-bottom: 18px;
}

.prose p:last-child {
    margin-bottom: 0;
}

.feature-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

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

.scene-grid figcaption {
    background: var(--white);
    padding: 14px 18px;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.scene-grid--fit {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

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

.scene-grid--full img {
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background: var(--gray-100);
}

.scene-grid--full figure:hover img {
    transform: none;
}

.scene-grid--single {
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* RVM poster band */
.poster-section {
    padding: 0 0 80px;
}

.rvm-poster {
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

.rvm-poster img {
    width: 100%;
    display: block;
}

.param-figure {
    background: var(--white);
    border-radius: 16px;
    padding: 26px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
}

.param-figure img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

/* Base showcase slider */
.base-slider {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

.base-track {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
}

.base-slide {
    margin: 0;
    flex: 0 0 100%;
    aspect-ratio: 16 / 9;
    background: var(--gray-100);
}

.base-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

.base-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    color: var(--white);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 2;
}

.base-arrow:hover {
    background: rgba(0, 0, 0, 0.6);
}

.base-arrow--prev {
    left: 18px;
}

.base-arrow--next {
    right: 18px;
}

.base-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.base-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: all 0.3s ease;
}

.base-dot.active {
    width: 24px;
    border-radius: 5px;
    background: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .info-split,
    .eq-gallery,
    .case-grid,
    .feature-grid,
    .workflow-steps,
    .scene-grid,
    .material-grid {
        grid-template-columns: 1fr 1fr;
    }

    .info-split {
        gap: 34px;
    }

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

    .subpage-hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .subpage-hero {
        min-height: 340px;
        padding: 140px 20px 70px;
    }

    .subpage-hero h1 {
        font-size: 1.75rem;
    }

    .info-split,
    .eq-gallery,
    .case-grid,
    .feature-grid,
    .workflow-steps,
    .scene-grid,
    .material-grid {
        grid-template-columns: 1fr;
    }

    .base-arrow {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
    }

    .info-split-text h2 {
        font-size: 1.6rem;
    }

    .subpage-section {
        padding: 55px 0;
    }

    .param-table th,
    .param-table td {
        padding: 12px 14px;
        font-size: 0.9rem;
    }

    .param-table td:first-child {
        width: 42%;
    }

    .eq-main-image {
        min-height: 300px;
    }

    .eq-main-image img {
        max-height: 280px;
    }

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