/* 全局样式 */
:root {
    --primary-color: #0056b3;
    --secondary-color: #f8f9fa;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(0, 0, 0, 0.8);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: var(--transition);
}

.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    bottom: -5px;
    left: 0;
    transition: var(--transition);
}

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

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://via.placeholder.com/1920x1080') no-repeat center center/cover;
    height: 100vh;
    color: #fff;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.profile-image-container {
    position: relative;
    display: inline-block;
}

.profile-image {
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
}

/* 章节标题样式 */
.section-title {
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-divider {
    height: 3px;
    width: 60px;
    background-color: var(--primary-color);
    margin: 0 auto 2rem;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2.1rem;
    top: 0.25rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid #fff;
}

.timeline-content {
    padding-bottom: 1rem;
}

/* 投资理念卡片样式 */
.philosophy-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.icon-box {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-box i {
    font-size: 2.5rem;
}

/* 投资流程样式 */
.process-step {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* 业绩统计样式 */
.performance-stat h2 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* 客户评价卡片样式 */
.testimonial-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    padding: 2rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.testimonial-rating i {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-right: 0.2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 1.5rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    margin-right: 1rem;
}

/* 联系表单样式 */
.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
}

.form-control {
    padding: 0.75rem 1.25rem;
    border-radius: 5px;
    border: 1px solid #ddd;
    margin-bottom: 1.5rem;
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

/* 社交媒体图标样式 */
.social-icons {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0.5rem;
    transition: var(--transition);
}

.social-icon:hover {
    transform: translateY(-5px);
    background-color: #004494;
}

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 2rem 0;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .hero-section {
        height: auto;
        padding: 120px 0 80px;
    }
    
    .profile-image-container {
        margin-top: 3rem;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-marker {
        left: -1.6rem;
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 滚动到顶部按钮 */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: #004494;
}