/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-2: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-3: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 触摸设备样式 */
.touch-device .service-card:hover,
.touch-device .advantage-item:hover,
.touch-device .contact-card:hover {
    transform: none;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i {
    font-size: 1.8rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    font-size: 1rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 3px;
}

/* Hero区域 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.6s ease;
    will-change: transform, opacity;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInDown 0.5s ease 0.1s both;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
    animation: fadeInUp 0.6s ease 0.2s both;
    will-change: transform, opacity;
    white-space: nowrap;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    font-weight: 600;
    animation: fadeInUp 0.6s ease 0.4s both;
    will-change: transform, opacity;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: fadeInUp 0.6s ease 0.5s both;
    will-change: transform, opacity;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.6s both;
    will-change: transform, opacity;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid transparent;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: white;
    font-size: 1.5rem;
    z-index: 2;
    cursor: pointer;
}

/* 通用区块样式 */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-1);
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    font-weight: 400;
}

/* 关于我们 */
.about {
    background: var(--bg-white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.05) 0%, transparent 100%);
}

.about-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.05rem;
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    width: 100%;
    box-sizing: border-box;
    padding: 0;
}

.stats > * {
    min-width: 0;
    box-sizing: border-box;
}

.stat-item {
    text-align: center;
    padding: 2rem 2rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-radius: 15px;
    transition: all 0.4s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: visible;
    min-width: 0;
    box-sizing: border-box;
    width: 100%;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
    z-index: 0;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
    white-space: nowrap;
    overflow: visible;
    word-break: keep-all;
    line-height: 1.1;
    display: block;
    width: 100%;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    padding: 0;
    text-align: center;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
    line-height: 1.5;
    word-break: keep-all;
    white-space: normal;
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    padding: 0;
}

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

.image-placeholder {
    width: 100%;
    height: 450px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 5rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* 产品服务 */
.services {
    background: linear-gradient(180deg, var(--bg-light) 0%, #ffffff 100%);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.2rem;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.9;
    font-size: 1.05rem;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.75rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 2rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.service-features li:hover {
    color: var(--primary-color);
    padding-left: 2.5rem;
}

/* 核心优势 */
.advantages {
    background: white;
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.advantage-item {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(59, 130, 246, 0.03) 100%);
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.advantage-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.advantage-item:hover::after {
    opacity: 0.05;
}

.advantage-item:hover {
    background: white;
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.advantage-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.advantage-item p {
    color: var(--text-light);
    line-height: 1.9;
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
}

/* 联系我们 */
.contact {
    background: linear-gradient(180deg, var(--bg-light) 0%, #ffffff 100%);
    position: relative;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.contact-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    opacity: 0.3;
    filter: blur(15px);
    transition: all 0.4s ease;
}

.contact-card:hover .contact-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.contact-card:hover .icon-glow {
    width: 100px;
    height: 100px;
    opacity: 0.5;
}

.contact-details h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 700;
}

.contact-details p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    padding: 4rem 0 1.5rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: white;
    font-weight: 700;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
}

.footer-section ul li:hover {
    transform: translateX(5px);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-section ul li i {
    color: var(--accent-color);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
    background: var(--gradient-1);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
    border-color: transparent;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn, .nav-link, .service-card, .advantage-item, .contact-card {
        -webkit-tap-highlight-color: rgba(37, 99, 235, 0.1);
    }
    
    .service-card:hover,
    .advantage-item:hover,
    .contact-card:hover {
        transform: none;
    }
    
    .service-card:active,
    .advantage-item:active,
    .contact-card:active {
        transform: scale(0.98);
    }
}

/* 平板设备 (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.2rem;
    }
    
    .stat-item {
        padding: 1.8rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* 移动设备 (最大宽度 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 15px;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .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);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        padding: 80px 0 2rem;
        gap: 0;
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1.2rem 0;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 0.5rem 0;
        display: block;
        width: 100%;
    }

    /* Hero区域移动端优化 */
    .hero {
        height: 100vh;
        min-height: 600px;
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
        white-space: normal;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
        padding: 0 10px;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1.2rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .scroll-indicator {
        bottom: 20px;
        font-size: 1.2rem;
    }

    /* 区块标题移动端优化 */
    section {
        padding: 3.5rem 0;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-badge {
        font-size: 0.85rem;
        padding: 0.4rem 1.2rem;
        margin-bottom: 0.8rem;
    }

    .section-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 0.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }

    /* 关于我们移动端 */
    .about-content {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-text h3 {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }
    
    .about-text p {
        font-size: 1rem;
        margin-bottom: 1.2rem;
        text-align: left;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stat-item {
        padding: 1.5rem 1.2rem;
        min-width: 0;
        overflow: visible;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stat-number {
        font-size: 2rem;
        white-space: nowrap;
        overflow: visible;
        word-break: keep-all;
        line-height: 1.1;
        width: 100%;
        margin-bottom: 0.6rem;
        padding: 0;
        text-align: center;
    }
    
    .stat-label {
        font-size: 0.85rem;
        line-height: 1.4;
        white-space: normal;
        word-break: keep-all;
        padding: 0;
        text-align: center;
    }

    .image-placeholder {
        height: 300px;
        font-size: 3.5rem;
        border-radius: 15px;
    }

    /* 产品服务移动端 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }
    
    .service-icon {
        width: 75px;
        height: 75px;
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .service-card p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .service-features li {
        font-size: 0.9rem;
        padding: 0.6rem 0;
        padding-left: 1.8rem;
    }

    /* 核心优势移动端 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-item {
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .advantage-item h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .advantage-item p {
        font-size: 0.95rem;
    }

    /* 联系我们移动端 */
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .icon-glow {
        width: 60px;
        height: 60px;
    }
    
    .contact-card:hover .icon-glow {
        width: 80px;
        height: 80px;
    }
    
    .contact-details h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .contact-details p {
        font-size: 0.95rem;
    }

    /* 页脚移动端 */
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }
    
    .footer-section h3,
    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .footer-section p {
        font-size: 0.95rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .social-links a {
        width: 42px;
        height: 42px;
    }
    
    .footer-bottom {
        font-size: 0.85rem;
    }
    
    /* 返回顶部按钮移动端 */
    .back-to-top {
        width: 48px !important;
        height: 48px !important;
        bottom: 20px !important;
        right: 20px !important;
        font-size: 1.1rem !important;
    }
}

/* 小屏手机 (最大宽度 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stat-item {
        padding: 1.5rem 1.5rem;
        min-width: 0;
        overflow: visible;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stat-number {
        font-size: 2rem;
        white-space: nowrap;
        overflow: visible;
        word-break: keep-all;
        line-height: 1.1;
        width: 100%;
        margin-bottom: 0.6rem;
        padding: 0;
        text-align: center;
    }
    
    .stat-label {
        font-size: 0.85rem;
        line-height: 1.4;
        white-space: normal;
        word-break: keep-all;
        padding: 0;
        text-align: center;
    }
    
    .image-placeholder {
        height: 250px;
        font-size: 3rem;
    }
    
    .service-card,
    .advantage-item,
    .contact-card {
        padding: 1.8rem 1.2rem;
    }
    
    .nav-menu {
        padding: 70px 0 2rem;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .service-icon,
    .advantage-icon,
    .contact-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}