.header {
    background-color: #fff;
    box-shadow: 0px 2px 16px rgba(0, 102, 204, 0.09);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo img {
    height: 36px;
}

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

.nav-menu a {
    font-size: 15px;
    font-family: "Inter-Medium";
    color: #4A5568;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1E6FD9;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid #1E6FD9;
    color: #1E6FD9;
    font-size: 13px;
    font-family: "Inter-Medium";
    transition: all 0.3s;
}

.lang-switch:hover {
    background-color: #1E6FD9;
    color: #fff;
}

.lang-switch img {
    width: 14px;
    height: 14px;
}

.btn-contact {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 24px;
    background-color: #1E6FD9;
    color: #fff;
    font-size: 14px;
    font-family: "Inter-Semi Bold";
    transition: all 0.3s;
}

.btn-contact:hover {
    background-color: #155DBB;
}

.hero {
    background: linear-gradient(90deg, #E8F4FF 0%, #F0F8FF 50%, #EBF5FB 100%);
    padding: 80px 0;
}

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

.hero-text {
    flex: 1;
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    background-color: #D6EAF8;
    margin-bottom: 28px;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #1E6FD9;
}

.hero-badge span {
    font-size: 13px;
    font-family: "Inter-Medium";
    color: #1E6FD9;
}

.hero-title {
    font-size: 56px;
    font-family: "Inter-Bold";
    line-height: 1.1;
    color: #0D3B6E;
    margin-bottom: 16px;
}

.hero-title-highlight {
    color: #1E6FD9;
}

.hero-description {
    font-size: 17px;
    color: #4A6A8A;
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
}

.stat-label {
    font-size: 13px;
    color: #6B8CAE;
}

.hero-image {
    width: 560px;
    height: 520px;
}

.solutions-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 20px;
    background-color: #EBF5FF;
    font-size: 12px;
    font-family: "Inter-Semi Bold";
    color: #1E6FD9;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: #6B8CAE;
}

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

.solution-card {
    background: linear-gradient(90deg, #F0F8FF 0%, #E1F0FF 100%);
    border: 1px solid #C8DEFA;
    border-radius: 16px;
    padding: 32px 28px;
    transition: all 0.3s;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 111, 217, 0.15);
}

.solution-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background-color: #1E6FD9;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-icon img {
    width: 24px;
    height: 24px;
}

.solution-title {
    font-size: 20px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 12px;
}

.solution-description {
    font-size: 14px;
    color: #4A6A8A;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-family: "Inter-Semi Bold";
    color: #1E6FD9;
}

.solution-link img {
    width: 14px;
    height: 14px;
}

.products-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.product-card {
    background-color: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.product-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 280px;
    background-color: #F7FAFC;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.product-info {
    padding: 24px;
}

.product-title {
    font-size: 20px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 12px;
}

.product-description {
    font-size: 14px;
    color: #4A6A8A;
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.feature-tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: #EBF5FF;
    color: #1E6FD9;
    font-size: 12px;
    font-family: "Inter-Medium";
    border-radius: 12px;
}

.rnd-section {
    background: linear-gradient(90deg, #EDF6FF 0%, #F5FAFF 100%);
    padding: 80px 0;
}

.rnd-content {
    display: flex;
    gap: 80px;
    align-items: center;
}

.rnd-text {
    flex: 1;
    max-width: 560px;
}

.rnd-title {
    font-size: 40px;
    font-family: "Inter-Bold";
    line-height: 1.2;
    color: #0D3B6E;
    margin-bottom: 32px;
}

.rnd-title-highlight {
    color: #4A97ED;
}

.rnd-description {
    font-size: 15px;
    color: #4A6A8A;
    line-height: 1.7;
    margin-bottom: 32px;
}

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

.rnd-feature {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rnd-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background-color: #D6EAF8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rnd-feature-icon img {
    width: 18px;
    height: 18px;
}

.rnd-feature-text {
    flex: 1;
}

.rnd-feature-title {
    font-size: 15px;
    font-family: "Inter-Semi Bold";
    color: #0D3B6E;
    margin-bottom: 4px;
}

.rnd-feature-desc {
    font-size: 13px;
    color: #6B8CAE;
}

.rnd-image {
    width: 560px;
    height: 480px;
}

.manufacturing-section {
    padding: 80px 0;
    background-color: #fff;
}

.manufacturing-content {
    display: flex;
    gap: 40px;
}

.manufacturing-image {
    width: 680px;
    height: 420px;
    flex-shrink: 0;
}

.manufacturing-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.manufacturing-card {
    background: linear-gradient(90deg, #EBF5FF 0%, #DCEDFF 100%);
    border: 1px solid #C8DEFA;
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.manufacturing-card-value {
    font-size: 36px;
    font-family: "Inter-Bold";
    color: #1E6FD9;
}

.manufacturing-card-text {
    flex: 1;
}

.manufacturing-card-title {
    font-size: 15px;
    font-family: "Inter-Semi Bold";
    color: #0D3B6E;
    margin-bottom: 4px;
}

.manufacturing-card-desc {
    font-size: 13px;
    color: #6B8CAE;
}

.about-section {
    padding: 60px 0;
    background-color: #ECF5FF;
}

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

.about-badge {
    display: inline-block;
    background-color: #E6F0FF;
    color: #1E6FD9;
    font-size: 12px;
    font-family: "Inter-Semi Bold";
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.about-title {
    font-size: 32px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 12px;
    line-height: 1.3;
}

.about-subtitle {
    font-size: 14px;
    color: #6B8CAE;
    margin-bottom: 8px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-image {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.about-text {
    padding-top: 10px;
}

.about-description {
    font-size: 14px;
    color: #4A5568;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: left;
}

.timeline {
    position: relative;
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    padding-bottom: 20px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #1E6FD9;
}

.timeline-item:nth-child(1) .timeline-dot {
    width: 14px;
    height: 14px;
}

.timeline-item:nth-child(2) .timeline-dot {
    width: 14px;
    height: 14px;
}

.timeline-item:nth-child(3) .timeline-dot {
    width: 12px;
    height: 12px;
    background-color: #6BBDFF;
}

.timeline-item:nth-child(4) .timeline-dot {
    width: 12px;
    height: 12px;
    background-color: #6BBDFF;
}

.timeline-content {
    display: flex;
    flex-direction: column;
}

.timeline-date {
    font-size: 14px;
    font-family: "Inter-Semi Bold";
    color: #0D3B6E;
    margin-bottom: 2px;
}

.timeline-title {
    font-size: 14px;
    font-family: "Inter-Semi Bold";
    color: #1E6FD9;
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 12px;
    color: #6B8CAE;
}

.cta-section {
    background: linear-gradient(180deg, #1E6FD9 0%, #0D3B6E 100%);
    padding: 60px 0;
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 28px;
    font-family: "Inter-Bold";
    color: #fff;
    margin-bottom: 12px;
}

.cta-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cta-buttons .btn-primary {
    background-color: #fff;
    color: #1E6FD9;
    padding: 12px 30px;
    border-radius: 25px;
    font-family: "Inter-Semi Bold";
}

.cta-buttons .btn-primary:hover {
    background-color: #f8f9fa;
}

.cta-buttons .btn-secondary {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    padding: 12px 30px;
    border-radius: 25px;
    font-family: "Inter-Semi Bold";
}

.cta-buttons .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.footer {
    background-color: #0D233F;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(22, 53, 87, 1);
}

.footer-section:first-child {
    grid-column: span 1;
}

.footer-section h4 {
    font-size: 14px;
    font-family: "Inter-Semi Bold";
    color: rgba(255, 255, 255, 1);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.footer-section p {
    color: rgba(122, 174, 212, 1);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 18px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section ul li a {
    color: rgba(122, 174, 212, 1);
    font-size: 13px;
    line-height: 1.6;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #fff;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-logo span {
    font-size: 18px;
    font-family: "Inter-Bold";
    color: #fff;
    letter-spacing: 1px;
}

.footer-bottom {
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-copyright p {
    color: rgba(74, 122, 155, 1);
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-links a {
    color: rgba(74, 122, 155, 1);
    font-size: 13px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links span {
    color: rgba(255, 255, 255, 0.2);
    font-size: 13px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background-color: #1E6FD9;
}

.social-links img {
    width: 14px;
    height: 14px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 10px 28px;
    background-color: #1E6FD9;
    color: #fff;
    font-size: 15px;
    font-family: "Inter-Semi Bold";
    border-radius: 8px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #155DBB;
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 10px 28px;
    background-color: transparent;
    color: #1E6FD9;
    font-size: 15px;
    font-family: "Inter-Semi Bold";
    border: 1px solid #1E6FD9;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #1E6FD9;
    color: #fff;
}

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

body {
    font-family: "Inter-Regular", sans-serif;
    color: #4A5568;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #fff;
}

a {
    text-decoration: none;
}

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

@font-face {
    font-family: "Inter-Regular";
    src: url("../fonts/Inter-Regular.ttf") format("truetype");
}

@font-face {
    font-family: "Inter-Medium";
    src: url("../fonts/Inter-Medium.ttf") format("truetype");
}

@font-face {
    font-family: "Inter-Semi Bold";
    src: url("../fonts/Inter-SemiBold.ttf") format("truetype");
}

@font-face {
    font-family: "Inter-Bold";
    src: url("../fonts/Inter-Bold.ttf") format("truetype");
}

.solutions-detail {
    padding: 60px 0;
}

.category-header {
    margin-bottom: 48px;
}

.category-title {
    font-size: 40px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 16px;
}

.category-description {
    font-size: 16px;
    color: #6B8CAE;
}

.about-page-section {
    padding: 80px 0;
    background-color: #ECF5FF;
}

.about-page-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-page-tag {
    display: inline-block;
    padding: 6px 16px;
    background-color: #E6F0FF;
    color: #1E6FD9;
    font-size: 12px;
    font-family: "Inter-Semi Bold";
    border-radius: 20px;
    margin-bottom: 20px;
}

.about-page-title {
    font-size: 40px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 24px;
}

.about-page-description {
    font-size: 16px;
    color: #4A6A8A;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.value-item {
    background-color: #fff;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.value-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background-color: #EBF5FF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon img {
    width: 28px;
    height: 28px;
}

.value-title {
    font-size: 18px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 12px;
}

.value-description {
    font-size: 14px;
    color: #6B8CAE;
    line-height: 1.6;
}

.contact-section {
    padding: 80px 0;
    background-color: #F0F6FF;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    margin-top: 48px;
}

.contact-info {
    background-color: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-info h3 {
    font-size: 24px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background-color: #EBF5FF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon img {
    width: 24px;
    height: 24px;
}

.contact-item-text h4 {
    font-size: 15px;
    font-family: "Inter-Semi Bold";
    color: #0D3B6E;
    margin-bottom: 4px;
}

.contact-item-text p {
    font-size: 14px;
    color: #4A6A8A;
}

.contact-form {
    background-color: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    font-size: 24px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-family: "Inter-Medium";
    color: #4A5568;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    font-size: 14px;
    font-family: "Inter-Regular";
    color: #4A5568;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1E6FD9;
}

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

.form-submit {
    width: 100%;
    padding: 16px;
    background-color: #1E6FD9;
    color: #fff;
    font-size: 16px;
    font-family: "Inter-Semi Bold";
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.form-submit:hover {
    background-color: #155DBB;
    transform: translateY(-2px);
}

.contact-map-section {
    margin-top: 48px;
    background-color: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-map-section h3 {
    font-size: 24px;
    font-family: "Inter-Bold";
    color: #0D3B6E;
    margin-bottom: 24px;
}

.contact-map {
    text-align: center;
}

.contact-map img {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 移动端导航菜单 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
    color: #1E6FD9;
}

.mobile-menu {
    display: none !important;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 20px;
    z-index: 99;
}

.mobile-menu.active {
    display: block !important;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    margin-bottom: 16px;
}

.mobile-menu a {
    font-size: 16px;
    color: #4A5568;
    text-decoration: none;
    display: block;
    padding: 8px 0;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: #1E6FD9;
}

.mobile-lang-switch {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #E2E8F0;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

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

    .nav-menu,
    .nav-right .lang-switch,
    .nav-right .btn-primary {
        display: none;
    }

    /* Hero区域 */
    .hero {
        padding: 60px 0;
        text-align: center;
    }

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

    .hero-title {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-item {
        padding: 0 !important;
        border-left: none !important;
        border-bottom: 1px solid #E2E8F0;
        padding-bottom: 24px !important;
    }

    .stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0 !important;
    }

    /* 解决方案区域 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* R&D区域 */
    .rnd-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .rnd-image {
        height: 250px;
    }

    /* 制造区域 */
    .manufacturing-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .manufacturing-image {
        height: 250px;
    }

    .manufacturing-cards {
        grid-template-columns: 1fr;
    }

    /* About区域 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-description {
        text-align: justify;
    }

    .about-values {
        flex-direction: column;
        gap: 24px;
    }

    .gallery-grid {
        grid-template-columns: 1fr !important;
    }

    .gallery-item img {
        height: 280px !important;
    }

    /* 产品详情页 */
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-images {
        grid-template-columns: 1fr;
    }

    /* CTA区域 */
    .cta-content {
        padding: 40px 20px;
        text-align: center;
    }

    .cta-title {
        font-size: 24px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 12px;
    }

    /* Solutions页面 */
    .solution-categories {
        flex-direction: column;
        gap: 12px;
    }

    .solution-category {
        width: 100%;
        text-align: center;
    }

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

    /* Contact页面 */
    .contact-info {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-form {
        padding: 24px;
    }

    .contact-form .form-row {
        flex-direction: column;
        gap: 16px;
    }

    /* R&D页面 */
    .rnd-features {
        grid-template-columns: 1fr;
    }

    .tech-cards {
        grid-template-columns: 1fr;
    }

    /* 按钮样式 */
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

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

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

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

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

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