/* CSS变量 */
:root {
    --primary-color: #1a202c;
    --primary-light: #2d3748;
    --secondary-color: #e2e8f0;
    --accent-color: #d69e2e;
    --text-color: #f7fafc;
    --text-light: #a0aec0;
    --white: #ffffff;
    --light-gray: #1a202c;
    --glass-bg: rgba(0, 0, 0, 0.25);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    --blur: blur(2px);
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

/* 触摸设备优化 */
@media (hover: none) {
    .product-card:hover .card-3d {
        transform: none;
    }
    
    .card-3d {
        height: auto;
        min-height: 300px;
    }
    
    .card-front, .card-back {
        position: relative;
    }
    
    .card-back {
        transform: none;
        margin-top: 15px;
    }
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #1a202c 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
    min-height: 44px;
    display: flex;
    align-items: center;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(214, 158, 46, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.carousel-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.carousel-bg .carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-bg .carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

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

.carousel-bg .carousel-slide.prev {
    opacity: 0;
    transform: scale(0.95);
}

.carousel-bg .carousel-slide.next {
    opacity: 0;
    transform: scale(1.05);
}

.carousel-bg .carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease-out;
}

.carousel-bg .carousel-slide.active img {
    transform: scale(1.05);
}

/* 水波纹过渡效果 */
.carousel-water-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.8s ease;
    background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), 
                rgba(255, 255, 255, 0.3) 0%, 
                transparent 50%);
    mix-blend-mode: overlay;
    will-change: transform, opacity;
}

.carousel-water-effect.active {
    opacity: 1;
    animation: waterRipple 1.5s ease-out;
}

@keyframes waterRipple {
    0% {
        transform: scale(0);
        opacity: 0.8;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* 光晕效果 */
.carousel-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease;
    background: radial-gradient(ellipse at center, 
                rgba(214, 158, 46, 0.15) 0%, 
                transparent 70%);
    will-change: transform, opacity;
}

.carousel-glow.active {
    opacity: 1;
    animation: glowPulse 2s ease-in-out;
}

@keyframes glowPulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(1.2);
    }
}

.carousel-bg .carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.carousel-bg .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.carousel-bg .dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s ease;
}

.carousel-bg .dot:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.carousel-bg .dot.active {
    background: var(--white);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.carousel-bg .dot.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0;
    }
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    padding: 100px 40px 50px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    margin-left: -80px;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #b7791f 100%);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(214, 158, 46, 0.4);
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(214, 158, 46, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* 3D立方体 */
.hero-3d {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    position: relative;
    z-index: 1;
    margin-top: 30px;
    margin-left: 80px;
}

@media (max-width: 992px) {
    .hero-3d {
        margin-top: 40px;
        margin-left: 0;
    }
}

.cube {
    width: 200px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 20s infinite linear;
    will-change: transform;
}

.cube-face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cube-face img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    position: absolute;
    top: 0;
    left: 0;
}

.cube-text {
    position: relative;
    z-index: 10;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

.cube-face.front  { transform: rotateY(0deg) translateZ(100px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(100px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(100px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(100px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(100px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(100px); }

@keyframes rotate {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

/* 通用部分样式 */
section {
    padding: 100px 0;
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 60px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #b7791f);
    border-radius: 2px;
}

/* 关于我们 */
.about {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

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

.about-text {
    flex: 1;
}

.about-text p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--white);
    box-shadow: var(--shadow);
    transform: rotate(-5deg);
    transition: var(--transition);
}

.image-placeholder:hover {
    transform: rotate(0deg) scale(1.05);
}

/* 产品展示 */
.products {
    background: rgba(0, 0, 0, 0.3);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    perspective: 1000px;
}

.card-3d {
    width: 100%;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s;
    will-change: transform;
}

.product-card:hover .card-3d {
    transform: rotateY(180deg);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
    overflow: hidden;
}

.card-front {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.card-back {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: var(--white);
}

.product-image {
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

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

.card-front h3 {
    color: var(--white);
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.card-back p {
    margin-bottom: 30px;
    line-height: 1.6;
}



/* 定制流程 */
.process {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #b7791f);
    transform: translateY(-50%);
    z-index: 1;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #b7791f 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(214, 158, 46, 0.4);
}

.step-content {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 30px 20px;
    box-shadow: var(--shadow);
}

.step-content h3 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* 客户评价 */
.testimonials {
    background: rgba(0, 0, 0, 0.3);
}

.testimonial-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
}

.testimonial {
    min-width: 350px;
    scroll-snap-align: start;
}

.testimonial-content {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.testimonial-content p {
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.client-name {
    color: var(--white);
    font-weight: 500;
}

.client-company {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 表单样式 */

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.2);
}

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

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 60px 0 20px;
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 15px;
    }
    
    .footer-bottom {
        padding-top: 15px;
    }
    
    .footer-bottom p {
        font-size: 0.85rem;
    }
}

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

.footer-section h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

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

.footer-section ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--secondary-color);
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

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

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

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        padding-left: 0;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 50px;
        margin-left: 0;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }
    

    
    .process-steps {
        flex-direction: column;
        gap: 25px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .step {
        width: 100%;
    }
    
    .step-content {
        padding: 25px 20px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26, 32, 44, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--glass-border);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        border-radius: 0 0 15px 15px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        width: 100%;
        padding: 12px 15px;
        border-radius: 10px;
        transition: background 0.3s ease;
    }
    
    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
        padding: 0;
        text-align: center;
    }
    
    .hero .container {
        padding: 80px 20px 40px;
        align-items: center;
    }
    
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 15px;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 45px;
    }
    
    .cube {
        width: 150px;
        height: 150px;
    }
    
    .cube-face {
        width: 150px;
        height: 150px;
        font-size: 1rem;
    }
    
    .cube-face.front  { transform: rotateY(0deg) translateZ(75px); }
    .cube-face.back   { transform: rotateY(180deg) translateZ(75px); }
    .cube-face.right  { transform: rotateY(90deg) translateZ(75px); }
    .cube-face.left   { transform: rotateY(-90deg) translateZ(75px); }
    .cube-face.top    { transform: rotateX(90deg) translateZ(75px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(75px); }
    
    .cube-text {
        font-size: 0.95rem;
        padding: 6px 12px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .card-3d {
        height: 380px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .testimonial {
        min-width: 280px;
        max-width: 100%;
        flex-shrink: 0;
    }
    
    .testimonial-content {
        padding: 25px 20px;
        text-align: center;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        padding: 10px 0;
    }
    
    .card-3d {
        height: 250px;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 3.5rem;
        margin: 0 auto;
    }
}

/* 流式加载动画 */
.stream-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.stream-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.stream-in.delay-1 { transition-delay: 0.1s; }
.stream-in.delay-2 { transition-delay: 0.2s; }
.stream-in.delay-3 { transition-delay: 0.3s; }
.stream-in.delay-4 { transition-delay: 0.4s; }

/* 图片懒加载占位 */
.lazy-img {
    background: linear-gradient(135deg, rgba(0,0,0,0.1), rgba(0,0,0,0.2));
    transition: opacity 0.5s ease;
}

/* 额外的移动端优化 */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 35px;
    }
    
    .section-title::after {
        width: 60px;
        height: 3px;
        bottom: -12px;
    }
    
    .about-text p {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .about-image {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }
    
    .step-content {
        padding: 20px 15px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin: 0 auto 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
        gap: 15px;
    }
    
    .footer-section ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .footer-section ul li {
        margin-bottom: 0;
    }
    
    .footer-section h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .footer-section p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .testimonial-content {
        padding: 20px;
    }
    
    .client-info {
        flex-direction: column;
        gap: 5px;
        text-align: center;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
}

@media (max-width: 480px) {
    .cube {
        width: 120px;
        height: 120px;
        margin: 20px auto 0;
    }
    
    .cube-face {
        width: 120px;
        height: 120px;
    }
    
    .cube-face.front  { transform: rotateY(0deg) translateZ(60px); }
    .cube-face.back   { transform: rotateY(180deg) translateZ(60px); }
    .cube-face.right  { transform: rotateY(90deg) translateZ(60px); }
    .cube-face.left   { transform: rotateY(-90deg) translateZ(60px); }
    .cube-face.top    { transform: rotateX(90deg) translateZ(60px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(60px); }
    
    .cube-text {
        font-size: 0.9rem;
        padding: 6px 10px;
    }
}

/* 动画效果 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* 水润效果增强 */
.water-effect {
    position: relative;
    overflow: hidden;
}

.water-effect::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: water-ripple 4s ease-in-out infinite;
}

@keyframes water-ripple {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-5%, -5%); }
    50% { transform: translate(5%, 5%); }
    75% { transform: translate(-5%, 5%); }
}

/* 高级轮播效果增强 */
.carousel-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.3) 0%,
        transparent 30%,
        transparent 70%,
        rgba(0, 0, 0, 0.4) 100%
    );
    z-index: 3;
    pointer-events: none;
}

/* 轮播图片的Ken Burns效果 */
.carousel-slide img {
    animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    25% {
        transform: scale(1.05) translate(-1%, -1%);
    }
    50% {
        transform: scale(1.1) translate(0, -2%);
    }
    75% {
        transform: scale(1.05) translate(1%, -1%);
    }
    100% {
        transform: scale(1) translate(0, 0);
    }
}

/* 轮播容器的微妙动画 */
.carousel-bg {
    animation: carouselShimmer 8s ease-in-out infinite;
}

@keyframes carouselShimmer {
    0%, 100% {
        filter: brightness(1) contrast(1);
    }
    50% {
        filter: brightness(1.02) contrast(1.02);
    }
}

/* 水润光泽效果 */
.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    z-index: 2;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 轮播指示器容器动画 */
.carousel-dots {
    animation: dotsFloat 4s ease-in-out infinite;
}

@keyframes dotsFloat {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .carousel-bg .carousel-dots {
        bottom: 20px;
        padding: 6px 12px;
        gap: 8px;
    }
    
    .carousel-bg .dot {
        width: 6px;
        height: 6px;
    }
    
    .carousel-bg .dot.active {
        transform: scale(1.5);
    }
    
    .carousel-bg .dot.active::after {
        width: 18px;
        height: 18px;
    }
}