/* 全局样式 */
:root {
    --primary-color: #0066cc;
    --secondary-color: #003366;
    --accent-color: #00ccff;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --dark-gray: #666666;
    --container-padding: clamp(15px, 5vw, 40px);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
}

.container {
    width: 100%;
    max-width: min(1200px, 90vw);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

/* 首页横幅样式 */
.hero {
    min-height: 600px;
    height: 600px;
    background: linear-gradient(135deg, #0a192f 0%, #112240 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* 轮播图样式 */
.hero-slider {
    position: relative;
    width: 100%;
    max-width: 1920px;
    height: 600px;
    margin: 0 auto;
    overflow: hidden;
}

.slider-wrapper {
    position: relative;
    width: 300%;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slide {
    position: relative;
    width: 33.333%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--container-padding);
}

.slide-content {
    width: 50%;
    max-width: 600px;
    padding-right: 50px;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.5s ease 0.3s;
}

.slide.active .slide-content {
    opacity: 1;
    transform: translateX(0);
}

.main-title {
    font-size: 2.8rem;
    color: #E5B04E;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(229, 176, 78, 0.3);
}

.sub-title {
    font-size: 3.5rem;
    background: linear-gradient(to right, #FF69B4, #4169E1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    font-weight: 700;
}

.slide-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
    line-height: 1.6;
}

.slide-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 1rem;
}

.feature i {
    color: #E5B04E;
    font-size: 1.2rem;
}

.slide-buttons {
    display: flex;
    gap: 20px;
}

.slide-image {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease 0.3s;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide.active .slide-image {
    opacity: 1;
    transform: translateX(0);
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 2;
    pointer-events: none;
}

.slider-controls button {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
}

.slider-controls button:hover {
    background: #E5B04E;
    transform: scale(1.1);
}

.slider-controls i {
    font-size: 1.5rem;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #E5B04E;
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: 50%;
}

.dot.active::before {
    transform: scale(1);
}

.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.progress-bar {
    width: 100%;
    height: 100%;
    background: #E5B04E;
    transform-origin: left;
    animation: progress 5s linear infinite;
}

@keyframes progress {
    0% {
        transform: scaleX(0);
    }
    100% {
        transform: scaleX(1);
    }
}

/* 响应式设计 */
@media (max-width: 991px) {
    .slide {
        flex-direction: column;
        padding: 80px var(--container-padding);
        text-align: center;
    }

    .slide-content {
        width: 100%;
        max-width: 600px;
        padding-right: 0;
        margin-bottom: 40px;
    }

    .slide-image {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .slide-features {
        justify-content: center;
    }

    .feature {
        justify-content: center;
    }

    .slide-buttons {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .main-title {
        font-size: 2rem;
    }

    .sub-title {
        font-size: 2.4rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .slide-features {
        grid-template-columns: 1fr;
    }

    .feature {
        font-size: 0.9rem;
    }

    .slider-controls button {
        width: 40px;
        height: 40px;
    }

    .slider-controls i {
        font-size: 1.2rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* 产品系列样式 */
.products {
    padding: 100px 0;
    background: white;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

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

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

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

.product-card h3 {
    padding: 20px 20px 10px;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.product-card p {
    padding: 0 20px 15px;
    color: var(--dark-gray);
    flex-grow: 1;
}

.product-features {
    padding: 0 20px 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-features span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: var(--light-gray);
    border-radius: 15px;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.product-features i {
    color: var(--primary-color);
    font-size: 1rem;
}

.learn-more {
    display: inline-block;
    margin: 0 20px 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.learn-more:hover {
    color: var(--secondary-color);
}

/* 产品特点样式 */
.features {
    padding: 100px 0;
    background: var(--light-gray);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

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

.feature-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-item h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* 应用场景样式 */
.applications {
    padding: 100px 0;
    background: white;
}

.applications h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

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

.application-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
}

.application-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.application-card h3 {
    position: absolute;
    bottom: 60px;
    left: 20px;
    color: white;
    font-size: 1.5rem;
}

.application-card p {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: white;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: white;
    position: relative;
    display: inline-block;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.2);
}

.contact-icon {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    border: 2px solid var(--primary-color);
}

.contact-icon i {
    color: var(--primary-color);
    font-size: 1.8rem;
    z-index: 1;
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-color) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

.contact-details h3 {
    margin-bottom: 10px;
    color: white;
    font-size: 1.3rem;
}

.contact-details p {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-time {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.contact-map {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 100%;
    min-height: 400px;
}

.map-container {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #2a2a2a, #3a3a3a);
    border-radius: 20px;
    overflow: hidden;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%),
        linear-gradient(-45deg, rgba(0, 204, 255, 0.1) 0%, transparent 100%);
}

.map-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 1;
    width: 1200px;
}

.map-content h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: white;
}

.map-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

/* 联系我们响应式 */
@media (max-width: 991px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-map {
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    .contact {
        padding: 60px 0;
    }
    
    .contact h2 {
        font-size: 2rem;
    }
    
    .contact-item {
        padding: 20px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon i {
        font-size: 1.5rem;
    }
    
    .contact-details h3 {
        font-size: 1.2rem;
    }
    
    .contact-details p {
        font-size: 1.1rem;
    }
    
    .contact-time {
        font-size: 0.8rem;
    }
    
    .map-content h3 {
        font-size: 1.5rem;
    }
    
    .map-content p {
        font-size: 1rem;
    }
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    color: white;
    padding: 80px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-section {
    position: relative;
}

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

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.footer-logo img:hover {
    transform: scale(1.05);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 30px;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.social-link {
    position: relative;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.social-link:hover {
    transform: translateY(-5px);
    background: var(--primary-color);
    color: white;
}

.social-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-color) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link:hover .social-glow {
    opacity: 0.3;
}

.footer-section h4 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.footer-links a i {
    font-size: 0.8rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-links a:hover i {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    color: var(--accent-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.footer-contact li:hover i {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.footer-bottom {
    position: relative;
    padding-top: 30px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
    animation: wave 3s linear infinite;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 页脚响应式 */
@media (max-width: 991px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .footer {
        padding: 60px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-links a {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .footer-logo img {
        height: 35px;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

/* 响应式设计 */
/* 大屏幕 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .applications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 991px) {
    .container {
        max-width: 960px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .product-grid,
    .features-grid,
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card,
    .feature-item,
    .application-card {
        margin: 0;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .product-grid,
    .features-grid,
    .applications-grid {
        gap: 15px;
    }
    
    .product-card,
    .feature-item,
    .application-card {
        margin: 0;
    }
}

/* 网格布局优化 */
.product-grid,
.features-grid,
.applications-grid {
    display: grid;
    gap: clamp(15px, 3vw, 30px);
    width: 100%;
}

.product-card,
.feature-item,
.application-card {
    width: 100%;
    margin: 0;
}

/* 内容区域自适应 */
.hero-content {
    width: 100%;
    max-width: 600px;
    padding-right: clamp(20px, 5vw, 50px);
}

.hero-slider {
    width: 100%;
    max-width: min(800px, 90vw);
    margin: 0 auto;
}

/* 表单区域自适应 */
.contact-content {
    display: grid;
    grid-template-columns: minmax(250px, 1fr) minmax(300px, 2fr);
    gap: clamp(20px, 5vw, 50px);
}

@media (max-width: 991px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* 导航栏响应式 */
@media (max-width: 991px) {
    .navbar {
        padding: 10px 0;
    }
    
    .logo img {
        height: 35px;
    }
    
    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .nav-links a {
        font-size: 1.1rem;
    }
    
    .menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

/* 图片响应式 */
img {
    max-width: 100%;
    height: auto;
}

/* 表单响应式 */
@media (max-width: 576px) {
    .contact-form {
        gap: 15px;
    }
    
    .contact-form input,
    .contact-form textarea {
        width: 100%;
    }
    
    .contact-info {
        padding: 20px;
    }
    
    .contact-info p {
        font-size: 0.9rem;
    }
}

/* 动画响应式 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .hero-slider,
    .slider-controls,
    .slider-dots,
    .contact-form,
    .footer {
        display: none;
    }
    
    body {
        color: black;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        text-decoration: none;
    }
}

/* 表单字段样式 */
.contact-form input[required]::placeholder {
    color: var(--primary-color);
    font-weight: 500;
    position: relative;
}

.contact-form input[required]::placeholder::after {
    content: '必填';
    position: absolute;
    right: -45px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    color: var(--primary-color);
    background: rgba(0, 102, 204, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: normal;
}

.contact-form input[type="tel"] {
    letter-spacing: 1px;
    font-family: monospace;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%230066cc' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='4.5'/%3E%3Cpath stroke-linecap='round' d='M6 3.75v4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 12px;
    padding-right: 40px;
}

.contact-form input[type="tel"]:valid {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%230066cc' viewBox='0 0 12 12'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3.75 6l1.5 1.5 3-3.75'/%3E%3C/svg%3E");
}

.contact-form input[type="tel"]:focus:invalid {
    border-color: var(--primary-color);
}

.contact-form input[type="tel"]:focus:valid {
    border-color: var(--primary-color);
}

/* 选填字段样式 */
.contact-form input:not([required])::placeholder,
.contact-form textarea:not([required])::placeholder {
    color: var(--dark-gray);
    opacity: 0.7;
}

.contact-form input:not([required]),
.contact-form textarea:not([required]) {
    border-color: #ddd;
    background: #f8f9fa;
}

.contact-form input:not([required]):focus,
.contact-form textarea:not([required]):focus {
    border-color: var(--primary-color);
    background: white;
}

/* 表单验证样式 */
.contact-form input:invalid,
.contact-form textarea:invalid {
    border-color: var(--primary-color);
    background: #f8f9fa;
}

.contact-form input:invalid:focus,
.contact-form textarea:invalid:focus {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-form input:invalid::placeholder,
.contact-form textarea:invalid::placeholder {
    color: var(--primary-color);
}