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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

a:hover {
    color: #ff7e00;
}

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

.header {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 36px;
}

.logo-text h1 {
    font-size: 24px;
    color: #333333;
    font-weight: 600;
}

.logo-text p {
    font-size: 13px;
    color: #666;
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-item {
    font-size: 15px;
    color: #333;
    font-weight: 500;
    position: relative;
}

.nav-item.active {
    color: #ff7e00;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #ff7e00;
}

.header-contact .contact-item {
    text-align: right;
}

.contact-label {
    font-size: 12px;
    color: #666;
    display: block;
}

.contact-phone {
    font-size: 22px;
    color: #ff7e00;
    font-weight: 600;
}

.hero {
    background: linear-gradient(135deg, #ff7e00 0%, #ff5e00 100%);
    padding: 80px 0;
}

.hero-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 42px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
}

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

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.btn {
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #ff7e00;
    color: #fff;
}

.btn-primary:hover {
    background-color: #e66f00;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #ff7e00;
}

.btn-large {
    padding: 18px 60px;
    font-size: 18px;
}

.stats {
    background-color: #fff;
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-number {
    font-size: 36px;
    color: #ff7e00;
    font-weight: 600;
}

.stat-label {
    font-size: 15px;
    color: #666;
    margin-top: 5px;
}

.services {
    padding: 80px 0;
    background-color: #fafafa;
}

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

.section-header h3 {
    font-size: 32px;
    color: #333333;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-header p {
    font-size: 15px;
    color: #666;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
}

.service-item:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.service-photo {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.service-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.service-item:hover .service-photo img {
    transform: scale(1.05);
}

.service-info {
    padding: 20px;
}

.service-item h4 {
    font-size: 20px;
    color: #333333;
    font-weight: 600;
    margin-bottom: 10px;
}

.service-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

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

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-member {
    text-align: center;
    background-color: #fafafa;
    padding: 30px;
    border-radius: 8px;
    transition: all 0.3s;
}

.team-member:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}

.team-photo {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #ff7e00;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h4 {
    font-size: 20px;
    color: #333333;
    font-weight: 600;
    margin-bottom: 5px;
}

.team-role {
    font-size: 14px;
    color: #ff7e00;
    font-weight: 500;
    margin-bottom: 10px;
}

.team-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

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

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-item h4 {
    font-size: 18px;
    color: #333333;
    font-weight: 600;
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.process {
    padding: 80px 0;
    background-color: #fafafa;
}

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

.step {
    flex: 1;
    text-align: center;
    padding: 0 10px;
}

.step-number {
    font-size: 40px;
    color: #ff7e00;
    font-weight: 300;
    margin-bottom: 15px;
}

.step h4 {
    font-size: 16px;
    color: #333333;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    font-size: 13px;
    color: #666;
}

.step-arrow {
    font-size: 24px;
    color: #ccc;
    margin: 0 10px;
}

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #ff7e00 0%, #ff5e00 100%);
    text-align: center;
}

.cta-wrapper h3 {
    font-size: 32px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 15px;
}

.cta-wrapper p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
}

.footer {
    background-color: #2a2a2a;
    padding: 60px 0 30px;
    color: #b0b0b0;
}

.footer-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.8;
    color: #a8dadc;
}

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

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

.footer-section ul li a {
    font-size: 14px;
    color: #a8dadc;
}

.footer-section ul li a:hover {
    color: #ff7e00;
}

.footer-contact p {
    margin-bottom: 10px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
    color: #a8dadc;
}

@media (max-width: 1024px) {
    .stats-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-steps {
        flex-wrap: wrap;
        gap: 20px;
    }
    .step-arrow {
        display: none;
    }
}

@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    .services-grid,
    .stats-grid,
    .advantages-grid,
    .footer-wrapper,
    .team-grid {
        grid-template-columns: 1fr;
    }
    .hero-wrapper {
        flex-direction: column;
        text-align: center;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-content h2 {
        font-size: 32px;
    }
    .hero-image {
        width: 100%;
    }
}