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

/* 根元素和基础字体 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #f39c12;
    --gold-color: #d4af37;
    --dark-bg: #1a1a1a;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-logo span {
    color: var(--gold-color);
    font-size: 0.9rem;
    margin-left: 5px;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--gold-color);
}

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

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

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 10px 0;
    margin-top: 5px;
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.dropdown-menu li {
    list-style: none;
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
    position: relative;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--light-bg);
    color: var(--gold-color);
    padding-left: 25px;
}

.dropdown-menu a:hover::before {
    content: '→';
    position: absolute;
    left: 15px;
    color: var(--gold-color);
    font-weight: bold;
}

/* 桌面端下拉菜单显示规则 */
.dropdown:hover .dropdown-menu,
.dropdown-menu.show {
    display: block;
    opacity: 1;
    visibility: visible;
}

.dropdown:hover .dropdown-toggle i,
.dropdown-toggle.active i {
    transform: rotate(180deg);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text h2 {
    font-size: 1.8rem;
    color: var(--gold-color);
    margin-bottom: 5px;
    font-weight: 500;
}

.hero-text h3 {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-weight: 400;
}

.small-text {
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
}

.hero-badges {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

/* 咨询按钮样式 */
.hero-cta {
    margin: 25px 0;
    display: flex;
    justify-content: flex-start;
}

.consultation-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--gold-color), #f4d03f);
    color: var(--primary-color);
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.consultation-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.consultation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
    border-color: rgba(255, 255, 255, 0.5);
}

.consultation-btn:hover::before {
    left: 100%;
}

.consultation-btn i {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

.avatar-container {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--gold-color);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.hero-decoration {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    z-index: 1;
}

.yin-yang {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(45deg, white 50%, black 50%);
    position: relative;
    animation: rotate 20s linear infinite;
    opacity: 0.3;
}

.yin-yang::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: black;
    transform: translate(-50%, -50%);
}

.yin-yang::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    transform: translateY(-50%);
}

@keyframes rotate {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

/* 章节标题 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
}

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

/* 个人简介 */
.about {
    padding: 100px 0;
    background: var(--light-bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.timeline {
    margin-top: 40px;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gold-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gold-color);
    border: 4px solid white;
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 专业领域 */
.expertise {
    padding: 100px 0;
    background: white;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.expertise-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

.expertise-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.expertise-card ul {
    list-style: none;
}

.expertise-card li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.expertise-card li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--gold-color);
    font-weight: bold;
}

/* 专业成就 */
.achievements {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.achievements-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.award-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.award-item:hover {
    transform: translateY(-5px);
}

.award-item i {
    font-size: 3rem;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.award-item h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 服务内容 */
.services {
    padding: 100px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 1.8rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

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

.service-card li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: var(--text-light);
}

.service-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gold-color);
    font-weight: bold;
}

/* 社会价值 */
.social-value {
    padding: 100px 0;
    background: var(--light-bg);
}

.value-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.value-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 50px;
    text-align: justify;
}

.value-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.stat-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--gold-color);
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* 联系方式 */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--gold-color);
    width: 30px;
    text-align: center;
}

.contact-item h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-form {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--gold-color), var(--accent-color));
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 1.5rem;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.2rem;
    color: var(--gold-color);
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--gold-color);
}

/* 快速链接样式 */
.quick-links {
    margin-top: 20px;
}

.quick-links h5 {
    color: var(--gold-color);
    font-size: 1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.quick-links ul {
    list-style: none;
    padding: 0;
}

.quick-links li {
    margin-bottom: 8px;
}

.quick-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    position: relative;
    padding-left: 15px;
}

.quick-links a::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--gold-color);
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.quick-links a:hover {
    color: var(--gold-color);
    padding-left: 20px;
}

.quick-links a:hover::before {
    transform: translateX(3px);
}



.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 5px;
}

.icp-info {
    font-size: 0.9rem;
    margin-top: 10px;
}

.icp-info a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: var(--gold-color);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 10px 20px;
        height: auto;
        min-height: 70px;
    }
    
    .nav-logo {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .nav-menu {
        position: static;
        flex-direction: row;
        background-color: transparent;
        width: auto;
        text-align: center;
        transition: none;
        box-shadow: none;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 6px;
        flex: 1;
        margin-left: 20px;
    }
    
    .nav-menu li {
        margin: 0;
    }
    
    .nav-menu a {
        padding: 8px 10px;
        font-size: 0.8rem;
        white-space: nowrap;
        border-radius: 18px;
        background: rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 32px;
        min-height: 32px;
        min-width: 60px;
    }
    
    .nav-menu a:hover {
        background: var(--gold-color);
        color: var(--primary-color);
        transform: translateY(-2px);
    }
    
    /* 移动端下拉菜单样式 */
    .dropdown {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .dropdown-menu {
        position: absolute;
        top: calc(100% + 8px);
        left: 50%;
        transform: translateX(-50%);
        display: none;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        border: none;
        background: white;
        margin: 0;
        border-radius: 12px;
        min-width: 180px;
        z-index: 1000;
        overflow: hidden;
    }
    
    .dropdown-menu.show {
        display: block;
        opacity: 1;
        visibility: visible;
        animation: dropdownSlideDown 0.3s ease-out;
    }
    
    @keyframes dropdownSlideDown {
        from {
            opacity: 0;
            transform: translateX(-50%) translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
    }
    
    .dropdown-menu a {
        padding: 15px 20px;
        font-size: 0.9rem;
        display: block;
        color: var(--primary-color);
        border-bottom: 1px solid rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        position: relative;
        font-weight: 500;
    }
    
    .dropdown-menu a:first-child {
        border-radius: 12px 12px 0 0;
    }
    
    .dropdown-menu a:last-child {
        border-bottom: none;
        border-radius: 0 0 12px 12px;
    }
    
    .dropdown-menu a:hover {
        background: linear-gradient(135deg, var(--gold-color), #f4d03f);
        color: var(--primary-color);
        padding-left: 30px;
        transform: translateX(5px);
    }
    
    .dropdown-menu a::before {
        content: '';
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        width: 6px;
        height: 6px;
        background: var(--gold-color);
        border-radius: 50%;
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    .dropdown-menu a:hover::before {
        opacity: 1;
        left: 20px;
    }
    
    .dropdown-toggle {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 8px 10px;
        font-size: 0.8rem;
        white-space: nowrap;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 18px;
        color: var(--text-dark);
        text-decoration: none;
        transition: all 0.3s ease;
        height: 32px;
        min-height: 32px;
        min-width: 80px;
    }
    
    .dropdown-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
    }
    
    .dropdown-toggle i {
        transition: transform 0.3s ease;
        font-size: 0.8rem;
    }
    
    .dropdown-toggle.active i {
        transform: rotate(180deg);
    }
    
    .dropdown-toggle.active {
        background: rgba(255, 255, 255, 0.2);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
        padding: 20px 0;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .hero-text h2 {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }
    
    .hero-text h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        margin-bottom: 8px;
    }
    
    .hero-cta {
        justify-content: center;
        margin: 25px 0;
    }
    
    .consultation-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .hero-badges {
        margin-top: 20px;
        gap: 10px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-card {
        padding: 30px 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 8px 15px;
        min-height: 60px;
    }
    
    .nav-menu {
        gap: 4px;
        margin-left: 10px;
    }
    
    .nav-menu a {
        padding: 6px 8px;
        font-size: 0.75rem;
        height: 28px;
        min-height: 28px;
        min-width: 50px;
    }
    
    .dropdown-toggle {
        padding: 6px 8px;
        font-size: 0.75rem;
        height: 28px;
        min-height: 28px;
        min-width: 70px;
        gap: 4px;
    }
    
    .dropdown-menu {
        min-width: 160px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .avatar-container {
        width: 150px;
        height: 150px;
    }
    
    .avatar-image {
        width: 100%;
        height: 100%;
    }
    
    .expertise-card,
    .service-card {
        padding: 20px 15px;
    }
    
    .awards-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .value-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 移动端页脚样式 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .quick-links {
        margin-top: 15px;
    }
    
}

/* 滚动动画 */
@media (prefers-reduced-motion: no-preference) {
    .expertise-card,
    .service-card,
    .award-item {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease forwards;
    }
    
    .expertise-card:nth-child(1) { animation-delay: 0.1s; }
    .expertise-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }
    .service-card:nth-child(4) { animation-delay: 0.4s; }
}

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

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选择文本样式 */
::selection {
    background: var(--gold-color);
    color: white;
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--gold-color);
    outline-offset: 2px;
}

/* 加载动画 */
.loading {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}