:root {
    --primary-blue: #0a3d62;
    --primary-blue-dark: #082947;
    --gold-accent: #d4af37;
    --gold-light: #f0d384;
    --gradient-primary: linear-gradient(135deg, #0a3d62, #1167b1);
    --gradient-accent: linear-gradient(45deg, #d4af37, #f0d384);
    --gradient-dark: linear-gradient(150deg, #082947, #0a3d62);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
    --white: #ffffff;
    --off-white: #f5f5f5;
    --transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--white);
    background: var(--primary-blue-dark);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 20% 35%, rgba(8, 41, 71, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(13, 103, 177, 0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

body.loaded {
    opacity: 1;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(4, 16, 31, 0.8) 0%, rgba(6, 24, 50, 0.4) 100%);
    z-index: -1;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 粒子背景容器 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    top: 0;
    left: 0;
}

/* 容器和布局 */
.container {
    width: 92%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* 头部和导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    backdrop-filter: blur(15px);
    background: rgba(10, 29, 47, 0.9);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.header.scrolled {
    padding: 10px 0;
    background: rgba(8, 24, 39, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

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

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 1px;
    z-index: 1001;
    position: relative;
    overflow: hidden;
}

.logo-text {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.logo-highlight {
    color: var(--gold-accent);
    margin: 0 2px;
    position: relative;
    animation: logoGlow 3s ease-in-out infinite;
    transition: var(--transition);
}

.logo:hover .logo-text {
    color: var(--gold-light);
    transform: translateY(-2px);
}

.logo:hover .logo-highlight {
    animation-duration: 1s;
    text-shadow: 0 0 10px var(--gold-accent);
}

@keyframes logoGlow {
    0%, 100% {
        text-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 15px rgba(212, 175, 55, 0.8), 0 0 25px rgba(212, 175, 55, 0.4);
        transform: scale(1.05);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    transition: var(--transition);
}

.nav-menu li {
    margin-left: 26px;
    position: relative;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    display: block;
    padding: 8px 0;
}

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

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

.contact-btn {
    background: var(--gradient-accent);
    color: var(--primary-blue-dark);
    padding: 9px 22px;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-size: 14px;
    border: none;
    font-family: 'Noto Sans SC', sans-serif;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #f0d384, #d4af37);
    z-index: -1;
    transition: var(--transition);
    opacity: 0;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.contact-btn:hover::before {
    opacity: 1;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 18px;
    z-index: 1002;
}

.hamburger:hover {
    color: var(--gold-light);
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0 60px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    opacity: 0.1;
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    color: var(--gold-light);
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 25px;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 35px;
}

.hero-cta {
    display: flex;
    gap: 18px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.primary-btn, .secondary-btn {
    padding: 13px 26px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-family: 'Noto Sans SC', sans-serif;
}

.primary-btn {
    background: var(--gradient-accent);
    color: var(--primary-blue-dark);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    border: none;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.secondary-btn {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gold-light);
    backdrop-filter: blur(10px);
}

.secondary-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gold-light);
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold-light);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.2;
}

/* 服务部分 */
.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--white);
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 服务类别导航 */
.service-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 10px 22px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--white);
    backdrop-filter: blur(10px);
    font-size: 14px;
}

.tab-btn:hover, .tab-btn.active {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--gold-light);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
    color: var(--gold-light);
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 35px;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(15px);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(212, 175, 55, 0.4);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-icon {
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    color: var(--gold-light);
    margin: 20px;
    border-radius: 15px;
}

.service-content {
    padding: 0 25px 25px;
    flex-grow: 1;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--gold-light);
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.service-list {
    list-style: none;
    margin-top: 15px;
}

.service-list li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.service-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--gold-accent);
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 15px;
    color: var(--gold-light);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.service-cta:hover {
    transform: translateX(5px);
    color: var(--gold-accent);
}

/* 为什么选择我们 */
.advantages {
    position: relative;
    background: rgba(8, 29, 50, 0.3);
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    opacity: 0.05;
    z-index: -1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.feature-card {
    text-align: center;
    padding: 35px 25px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(15px);
    transition: var(--transition);
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    border-radius: 20px;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    border-color: rgba(212, 175, 55, 0.4);
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-icon {
    font-size: 3rem;
    color: var(--gold-light);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--gold-light);
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 全球服务网络 */
.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
}

.global-locations {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    backdrop-filter: blur(15px);
    width: 100%;
    max-width: 480px;
}

.locations-title {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: var(--gold-light);
    text-align: center;
}

.location-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.location-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.location-item:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-3px);
}

.location-icon {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--gold-light);
}

.location-name {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* CTA部分 */
.cta-section {
    text-align: center;
    background: var(--gradient-primary);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0.1;
    z-index: -1;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--white);
}

.cta-text {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
}

/* 客户案例 */
.clients-section {
    padding: 70px 0;
}

.client-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 0 30px;
}

.client-logo {
    opacity: 0.7;
    transition: var(--transition);
    height: 40px;
    filter: brightness(0) invert(1);
}

.client-logo:hover {
    opacity: 1;
    transform: translateY(-5px);
}

/* 页脚 - 简化版 */
.footer {
    background: #081e34;
    color: var(--white);
    padding: 60px 0 20px;
    position: relative;
    border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    color: var(--gold-light);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
    position: relative;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--gold-light);
    padding-left: 5px;
}

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

.contact-info li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.contact-info i {
    margin-right: 12px;
    color: var(--gold-light);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-icons a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-light);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--gold-accent);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
}

        .copyright {
            text-align: center;
            padding: 30px 0 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 2.4rem;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .container {
        width: 95%;
    }
}

@media (max-width: 992px) {
    .hero {
        padding: 80px 0 50px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .nav-menu li {
        margin-left: 18px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .client-logos {
        gap: 30px;
    }
}

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 75px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 75px);
                flex-direction: column;
                background: rgba(10, 29, 47, 0.98);
                backdrop-filter: blur(20px);
                border-top: 1px solid var(--glass-border);
                text-align: center;
                padding: 30px 0;
                transition: var(--transition);
                z-index: 999;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 20px 0;
                margin-left: 0;
            }
            
            .nav-menu a {
                font-size: 17px;
                padding: 12px 0;
            }
            
            .contact-btn {
                padding: 10px 25px;
                font-size: 15px;
            }
            
            /* 修复英雄区域被头部遮挡的问题 */
            .hero {
                padding: 100px 0 50px;
                min-height: calc(100vh - 80px);
            }
            
            .hero-badge {
                margin-top: 20px;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-subtitle {
                font-size: 1.05rem;
            }
            
            .hero-cta {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            
            .primary-btn, .secondary-btn {
                padding: 12px 22px;
                font-size: 14px;
            }
    
    /* 手机端统计数据优化 - 使用手风琴样式 */
    .hero-stats {
        margin-top: 30px;
    }
    
    .mobile-stats-toggle {
        display: block;
        width: 100%;
        background: rgba(212, 175, 55, 0.15);
        border: 1px solid rgba(212, 175, 55, 0.3);
        border-radius: 12px;
        padding: 12px 20px;
        color: var(--gold-light);
        font-weight: 600;
        font-size: 14px;
        cursor: pointer;
        transition: var(--transition);
        margin-bottom: 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-stats-toggle:hover {
        background: rgba(212, 175, 55, 0.25);
    }
    
    .mobile-stats-toggle i {
        transition: var(--transition);
    }
    
    .mobile-stats-toggle.active i {
        transform: rotate(180deg);
    }
    
    .mobile-stats-content {
        display: none;
        grid-template-columns: 1fr;
        gap: 15px;
        animation: fadeInUp 0.3s ease;
    }
    
    .mobile-stats-content.active {
        display: grid;
    }
    
    .mobile-stats-content.active .stat-item {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        padding: 15px;
        justify-content: center;
        text-align: center;
    }
    
    /* 手机端服务部分优化 */
    .section {
        padding: 50px 0;
    }
    
    .mobile-service-tabs {
        display: flex;
        overflow-x: auto;
        gap: 8px;
        margin-bottom: 25px;
        padding: 0 5px 10px;
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-service-tabs::-webkit-scrollbar {
        height: 3px;
    }
    
    .mobile-service-tabs::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
    }
    
    .mobile-service-tabs::-webkit-scrollbar-thumb {
        background: var(--gold-accent);
        border-radius: 2px;
    }
    
    .mobile-tab-btn {
        white-space: nowrap;
        padding: 8px 16px;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 20px;
        font-size: 13px;
        color: var(--white);
        cursor: pointer;
        transition: var(--transition);
        flex-shrink: 0;
    }
    
    .mobile-tab-btn.active {
        background: rgba(212, 175, 55, 0.2);
        border-color: var(--gold-light);
        color: var(--gold-light);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        margin: 0;
        padding: 0;
    }
    
    .service-icon {
        height: 80px;
        font-size: 2.2rem;
        margin: 15px;
    }
    
    .service-content {
        padding: 0 20px 20px;
    }
    
    .service-title {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .service-card p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .service-list li {
        padding: 6px 0;
        font-size: 0.85rem;
        padding-left: 20px;
    }
    
    /* 手机端特性部分 - 手风琴样式 */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feature-card {
        padding: 0;
        background: transparent;
        border: none;
        backdrop-filter: none;
    }
    
    .mobile-feature-item {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 12px;
        backdrop-filter: blur(15px);
        overflow: hidden;
        transition: var(--transition);
    }
    
    .mobile-feature-header {
        display: flex;
        align-items: center;
        gap: 15px;
        padding: 15px 20px;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .mobile-feature-header:hover {
        background: rgba(212, 175, 55, 0.1);
    }
    
    .mobile-feature-header .feature-icon {
        font-size: 1.8rem;
        margin-bottom: 0;
    }
    
    .mobile-feature-header .feature-title {
        font-size: 1.1rem;
        margin-bottom: 0;
        flex-grow: 1;
    }
    
    .mobile-feature-toggle {
        font-size: 12px;
        color: var(--gold-light);
        transition: var(--transition);
    }
    
    .mobile-feature-toggle.active {
        transform: rotate(180deg);
    }
    
    .mobile-feature-content {
        padding: 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .mobile-feature-content.active {
        max-height: 100px;
        padding: 0 20px 15px;
    }
    
    .mobile-feature-content p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: rgba(255, 255, 255, 0.8);
        margin: 0;
    }
    
    /* 手机端全球网络优化 */
    .location-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .location-item {
        padding: 10px 8px;
    }
    
    .location-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .location-name {
        font-size: 12px;
    }
    
    .global-locations {
        padding: 20px;
        margin: 0 10px;
    }
    
    .locations-title {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
                .client-logos {
                gap: 20px;
                padding: 0 15px;
            }
            
            .client-logo {
                height: 30px;
            }
            
            /* 确保版权信息在手机端有足够空间 */
            .copyright p {
                margin: 0;
                padding: 0 10px;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding: 40px 0;
            }
            
            /* 修复小屏幕设备上的头部遮挡问题 */
            .hero {
                padding: 120px 0 40px;
                min-height: calc(100vh - 70px);
            }
            
            .hero-badge {
                font-size: 13px;
                padding: 6px 16px;
                margin: 30px 0 20px;
            }
            
            .hero-title {
                font-size: 1.6rem;
            }
            
            .hero-subtitle {
                font-size: 0.95rem;
            }
            
            .section-title h2 {
                font-size: 1.5rem;
            }
            
            .section-title p {
                font-size: 1rem;
            }
            
            .cta-title {
                font-size: 1.5rem;
            }
            
            .cta-text {
                font-size: 1rem;
            }
            
            .container {
                width: 100%;
                padding: 0 12px;
            }
            
            .mobile-service-tabs {
                margin: 0 -12px 25px;
                padding: 0 12px 10px;
            }
            
            .global-locations {
                margin: 0 5px;
                padding: 15px;
            }
            
            .location-grid {
                gap: 8px;
            }
            
            .location-item {
                padding: 8px 6px;
            }
            
            /* 修复底部被遮挡问题 */
            .footer {
                padding: 40px 0 30px;
            }
            
            .copyright {
                padding: 20px 12px 30px;
                font-size: 0.8rem;
                line-height: 1.4;
            }
            
            .footer-grid {
                gap: 30px;
                margin-bottom: 20px;
            }
            
            .footer-title {
                font-size: 1.1rem;
            }
            
            .contact-info li,
            .footer-links a {
                font-size: 13px;
            }
        }

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 隐藏桌面端的移动元素 */
@media (min-width: 769px) {
    .mobile-stats-toggle,
    .mobile-stats-content,
    .mobile-service-tabs,
    .mobile-feature-items {
        display: none !important;
    }
}

/* 隐藏移动端的桌面元素 */
@media (max-width: 768px) {
    .hero-stats .stat-item {
        display: none !important;
    }
    
    .service-tabs {
        display: none !important;
    }
    
    .feature-grid {
        display: none !important;
    }
}