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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #0a0a0a;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-logo-img {
    height: 45px;
    width: auto;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 212, 255, 0.3));
}

.brand-logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.5));
}

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

.nav-link {
    color: #ffffff;
    font-weight: 600;
    position: relative;
    padding: 10px 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #00d4ff);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.flow-lines {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><path d="M100,500 Q300,100 500,500 T900,500" stroke="%23667eea" stroke-width="3" fill="none" opacity="0.6"/><path d="M150,600 Q350,200 550,600 T950,600" stroke="%2300d4ff" stroke-width="2" fill="none" opacity="0.4"/><path d="M50,400 Q250,50 450,400 T850,400" stroke="%23764ba2" stroke-width="4" fill="none" opacity="0.5"/></svg>') no-repeat center;
    background-size: cover;
    animation: flowAnimation 20s linear infinite;
}

.flow-lines-2 {
    animation-delay: -7s;
    animation-duration: 25s;
    transform: rotate(45deg);
    opacity: 0.7;
}

.flow-lines-3 {
    animation-delay: -14s;
    animation-duration: 30s;
    transform: rotate(-30deg);
    opacity: 0.5;
}

@keyframes flowAnimation {
    0% {
        transform: translateX(-20%) translateY(-20%) rotate(0deg);
    }
    25% {
        transform: translateX(10%) translateY(-10%) rotate(90deg);
    }
    50% {
        transform: translateX(20%) translateY(10%) rotate(180deg);
    }
    75% {
        transform: translateX(-10%) translateY(20%) rotate(270deg);
    }
    100% {
        transform: translateX(-20%) translateY(-20%) rotate(360deg);
    }
}

.hero-content {
    z-index: 2;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
    position: relative;
}

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

.brand-logo {
    position: absolute;
    top: -150px;
    left: 80px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: fadeInLeft 1s ease-out 0.5s both;
}

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

.logo-icon {
    width: 60px;
    height: 40px;
}

.brand-text h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
    color: white;
}

.brand-text p {
    font-size: 0.9rem;
    margin: 0;
    color: #cccccc;
    font-style: italic;
}

.main-title {
    margin-bottom: 50px;
}

.main-title h1 {
    font-size: 4rem;
    margin-bottom: 10px;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.main-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: bold;
    color: white;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.main-title p {
    font-size: 1.1rem;
    color: #cccccc;
    margin: 0;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #ffa500, #ff8c00);
    color: #000;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 5px 15px rgba(255, 165, 0, 0.4);
    animation: fadeInUp 1s ease-out 0.8s both;
    font-style: italic;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 165, 0, 0.6);
    background: linear-gradient(45deg, #ff8c00, #ffa500);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.element-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* 业务服务 */
.business-section {
    padding: 100px 0;
    background: #1a1a1a;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.business-card {
    background: rgba(26, 26, 46, 0.8);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2, #00d4ff);
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, #667eea, #764ba2, #00d4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-icon i {
    font-size: 30px;
    color: white;
}

.business-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.business-card p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    background: rgba(102, 126, 234, 0.2);
    color: #00d4ff;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

/* 数据统计 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: white;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M10,50 Q30,10 50,50 T90,50" stroke="rgba(102,126,234,0.1)" stroke-width="2" fill="none"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-item {
    padding: 30px;
    background: rgba(26, 26, 46, 0.6);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    border-color: rgba(0, 212, 255, 0.5);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #667eea, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    color: #e0e0e0;
}

/* Company Profile Section */
.profile-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    position: relative;
}

.profile-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.profile-content {
    display: flex;
    align-items: center;
    gap: 60px;
    min-height: 500px;
    position: relative;
    z-index: 2;
}

.profile-text {
    flex: 1;
    padding-right: 30px;
}

.profile-text h2 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 30px;
    position: relative;
}

.profile-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2, #00d4ff);
    border-radius: 2px;
}

.profile-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #cccccc;
    margin-bottom: 20px;
    text-align: justify;
}

.profile-highlights {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.highlight-item {
    text-align: center;
    padding: 20px;
    background: rgba(26, 26, 46, 0.8);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
    min-width: 120px;
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    border-color: rgba(0, 212, 255, 0.5);
}

.highlight-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(45deg, #667eea, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.highlight-text {
    display: block;
    font-size: 0.9rem;
    color: #cccccc;
}

.profile-image {
    flex: 1;
    text-align: center;
}

.profile-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
    border: 2px solid rgba(102, 126, 234, 0.2);
}

.profile-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

/* 关于我们 */
.about-section {
    padding: 100px 0;
    background: #0a0a0a;
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 25px;
    background: linear-gradient(45deg, #667eea, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: #cccccc;
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    padding: 10px;
    background: rgba(26, 26, 46, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(26, 26, 46, 0.5);
    border-color: rgba(102, 126, 234, 0.4);
}

.feature-item i {
    color: #00d4ff;
    font-size: 1.2rem;
}

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

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #00d4ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 80px;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    border: 3px solid rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.5);
}

/* 联系我们 */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: rgba(26, 26, 46, 0.8);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    border-color: rgba(0, 212, 255, 0.5);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #00d4ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.contact-item h4 {
    color: #ffffff;
    margin-bottom: 5px;
}

.contact-item p {
    color: #cccccc;
}

.contact-form {
    background: rgba(26, 26, 46, 0.8);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(10, 10, 10, 0.5);
    color: #ffffff;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999999;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    background: rgba(10, 10, 10, 0.8);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #00d4ff 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 50%, #00d4ff 100%);
}

/* 底部 */
.footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: white;
    padding: 60px 0 20px;
    position: relative;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, #667eea, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

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

.footer-section ul li a {
    color: #cccccc;
    transition: color 0.3s ease;
    position: relative;
}

.footer-section ul li a:hover {
    color: #00d4ff;
}

.footer-section ul li a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(45deg, #667eea, #00d4ff);
    transition: width 0.3s ease;
}

.footer-section ul li a:hover::before {
    width: 100%;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #667eea, #764ba2, #00d4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

.social-links a:hover {
    background: linear-gradient(45deg, #764ba2, #00d4ff, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.5);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
    color: #999999;
    position: relative;
    z-index: 2;
}

.footer-bottom a {
    color: #cccccc;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #00d4ff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    /* Hero Section Mobile */
    .brand-logo {
        position: static;
        justify-content: center;
        margin-bottom: 30px;
    }
    
    .main-title h1 {
        font-size: 2.5rem;
    }
    
    .main-title h2 {
        font-size: 1.8rem;
    }
    
    .main-title p {
        font-size: 1rem;
    }
    
    /* Profile Section Mobile */
    .profile-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .profile-text {
        padding-right: 0;
    }
    
    .profile-text h2 {
        font-size: 2rem;
    }
    
    .profile-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .profile-highlights {
        justify-content: center;
        gap: 20px;
    }
    
    .highlight-item {
        min-width: 100px;
        padding: 15px;
    }
    
    .profile-image {
        order: -1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .business-section,
    .about-section,
    .contact-section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .business-card {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* 滚动行为 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}