/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #1a1a2e 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景渐变 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 添加背景装饰元素 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
    z-index: -2;
    animation: backgroundPulse 20s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* 添加几何背景图案 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(30deg, rgba(0, 212, 255, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.03) 87.5%, rgba(0, 212, 255, 0.03)),
        linear-gradient(150deg, rgba(0, 212, 255, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.03) 87.5%, rgba(0, 212, 255, 0.03)),
        linear-gradient(30deg, rgba(78, 205, 196, 0.02) 12%, transparent 12.5%, transparent 87%, rgba(78, 205, 196, 0.02) 87.5%, rgba(78, 205, 196, 0.02)),
        linear-gradient(150deg, rgba(78, 205, 196, 0.02) 12%, transparent 12.5%, transparent 87%, rgba(78, 205, 196, 0.02) 87.5%, rgba(78, 205, 196, 0.02));
    background-size: 80px 80px;
    z-index: -1;
    animation: patternMove 30s linear infinite;
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

html {
    scroll-behavior: smooth;
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    animation: navGlow 4s ease-in-out infinite;
}

@keyframes navGlow {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00d4ff;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    background: linear-gradient(45deg, #ff0080, #ff8c00, #40e0d0, #ee82ee, #ff1493, #00bfff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGlow 3s ease-in-out infinite, logoRotate 6s linear infinite;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

@keyframes logoGlow {
    0%, 100% { 
        background-position: 0% 50%;
        filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
    }
    50% { 
        background-position: 100% 50%;
        filter: drop-shadow(0 0 20px rgba(255, 107, 107, 0.8));
    }
}

@keyframes logoRotate {
    0% { transform: rotateY(0deg) scale(1); }
    25% { transform: rotateY(90deg) scale(1.1); }
    50% { transform: rotateY(180deg) scale(1); }
    75% { transform: rotateY(270deg) scale(1.1); }
    100% { transform: rotateY(360deg) scale(1); }
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 2rem;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #ff6b6b);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: #00d4ff;
}

/* 移动端菜单切换 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

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

/* 添加英雄区域背景装饰 */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 107, 107, 0.15) 0%, transparent 50%);
    animation: heroBackground 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes heroBackground {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
}

/* 添加浮动装饰元素 */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(0, 212, 255, 0.1), rgba(78, 205, 196, 0.1));
    border-radius: 50%;
    animation: floatDecoration 8s ease-in-out infinite;
}

@keyframes floatDecoration {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.gradient-text {
    background: linear-gradient(135deg, #00d4ff, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #00d4ff;
}

.btn-secondary:hover {
    background: #00d4ff;
    color: #000000;
    transform: translateY(-3px);
}

/* 浮动卡片 */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: float 6s ease-in-out infinite;
    width: 90px;
    height: 70px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: scale(1.1);
    border-color: #00d4ff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.card i {
    font-size: 1.3rem;
    margin-bottom: 6px;
    color: #00d4ff;
}

.card span {
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.2;
}

.card-1 {
    top: 8%;
    left: 8%;
    animation-delay: 0s;
}

.card-2 {
    top: 8%;
    right: 8%;
    animation-delay: 1.5s;
}

.card-3 {
    top: 38%;
    left: 2%;
    animation-delay: 3s;
}

.card-4 {
    top: 38%;
    right: 2%;
    animation-delay: 4.5s;
}

.card-5 {
    top: 68%;
    left: 12%;
    animation-delay: 6s;
}

.card-6 {
    top: 68%;
    right: 12%;
    animation-delay: 7.5s;
}

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

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

/* 英雄区域统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stats .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 0.5rem;
}

.hero-stats .stat-label {
    color: #b0b0b0;
    font-size: 0.9rem;
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: #b0b0b0;
}

/* 服务区域 */
.services {
    padding: 100px 0;
    background: 
        rgba(0, 0, 0, 0.3),
        linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%, rgba(255, 107, 107, 0.05) 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: -1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.service-card p {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
}

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

.service-card li {
    color: #b0b0b0;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-weight: bold;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    position: relative;
    background: 
        linear-gradient(45deg, rgba(0, 0, 0, 0.2) 0%, transparent 50%, rgba(0, 0, 0, 0.2) 100%),
        radial-gradient(circle at 20% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: aboutDecoration 12s ease-in-out infinite;
}

@keyframes aboutDecoration {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #00d4ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-intro {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #b0b0b0;
    font-size: 0.9rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-item i {
    font-size: 1.5rem;
    color: #00d4ff;
    margin-top: 0.5rem;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.feature-item p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* 投资理念 */
.philosophy {
    padding: 100px 0;
    background: 
        rgba(0, 0, 0, 0.3),
        linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%, rgba(255, 107, 107, 0.05) 100%);
    position: relative;
}

.philosophy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    animation: philosophyBackground 25s ease-in-out infinite;
    z-index: -1;
}

@keyframes philosophyBackground {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.philosophy-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.philosophy-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.philosophy-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
}

.philosophy-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.philosophy-card p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* 投资流程 */
.process {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, transparent 50%, rgba(0, 0, 0, 0.4) 100%),
        radial-gradient(circle at 30% 70%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: 
        linear-gradient(45deg, rgba(0, 212, 255, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 50%;
    animation: processDecoration 15s ease-in-out infinite;
    z-index: -1;
}

@keyframes processDecoration {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.3) rotate(180deg); }
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #00d4ff, #4ecdc4);
    transform: translateX(-50%);
}

.process-step {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.process-step:nth-child(odd) {
    flex-direction: row;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    position: relative;
    z-index: 2;
}

.step-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    max-width: 350px;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.step-content p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* 投资组合 */
.portfolio {
    padding: 100px 0;
    background: 
        rgba(0, 0, 0, 0.3),
        linear-gradient(135deg, rgba(255, 107, 107, 0.05) 0%, transparent 50%, rgba(78, 205, 196, 0.05) 100%);
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            rgba(0, 212, 255, 0.03) 2px,
            rgba(0, 212, 255, 0.03) 4px
        );
    z-index: -1;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.portfolio-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
}

.portfolio-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.portfolio-card p {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
}

.portfolio-tags {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-tags span {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 投资优势 */
.advantages {
    padding: 100px 0;
    background: 
        rgba(0, 0, 0, 0.3),
        linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%, rgba(78, 205, 196, 0.05) 100%);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(0, 212, 255, 0.02) 100px,
            rgba(0, 212, 255, 0.02) 200px
        );
    z-index: -1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, #4ecdc4, #00d4ff);
}

.advantage-card h3 {
    color: #ffffff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.advantage-card p {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.advantage-card li {
    color: #b0b0b0;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 20px;
}

.advantage-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-weight: bold;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    position: relative;
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, transparent 50%, rgba(0, 0, 0, 0.4) 100%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.contact::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, rgba(78, 205, 196, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: contactDecoration 10s ease-in-out infinite;
}

@keyframes contactDecoration {
    0%, 100% { 
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: rotate(0deg);
    }
    50% { 
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
        transform: rotate(180deg);
    }
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #00d4ff;
    margin-top: 0.5rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.contact-item p {
    color: #b0b0b0;
    line-height: 1.6;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #888;
}

/* 页脚 */
.footer {
    background: 
        rgba(0, 0, 0, 0.8),
        linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%, rgba(255, 107, 107, 0.05) 100%);
    padding: 50px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, #4ecdc4, #ff6b6b, transparent);
    animation: footerGlow 3s ease-in-out infinite;
}

@keyframes footerGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

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

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    background: linear-gradient(45deg, #ff0080, #ff8c00, #40e0d0, #ee82ee, #ff1493, #00bfff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGlow 3s ease-in-out infinite, logoRotate 6s linear infinite;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.footer-section p {
    color: #b0b0b0;
    margin-bottom: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0b0b0;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
        width: 100%;
        text-align: center;
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        min-height: 100vh;
        padding: 120px 0 60px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
        padding: 0 10px;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .btn {
        width: 80%;
        max-width: 300px;
        justify-content: center;
        padding: 15px 20px;
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: 1rem;
        margin-top: 2rem;
        padding: 1.5rem 1rem;
    }

    .hero-stats .stat-item {
        flex: 1;
        min-width: 0;
    }

    .hero-stats .stat-number {
        font-size: 1.8rem;
    }

    .hero-stats .stat-label {
        font-size: 0.85rem;
    }

    .floating-cards {
        display: none !important;
    }
    
    .hero-visual {
        display: none;
    }

    /* 章节标题移动端优化 */
    .section-header {
        margin-bottom: 2rem;
        padding: 0 15px;
    }

    .section-header h2 {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    /* 服务区域移动端优化 */
    .services {
        padding: 60px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
        margin: 0 15px;
    }

    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    /* 关于我们移动端优化 */
    .about {
        padding: 60px 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 15px;
    }

    .about-text h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .about-intro {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .feature-item i {
        font-size: 2rem;
        margin-top: 0;
    }

    /* 投资理念移动端优化 */
    .philosophy {
        padding: 60px 0;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 15px;
    }

    .philosophy-card {
        padding: 1.5rem;
    }

    .philosophy-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    /* 投资流程移动端优化 */
    .process {
        padding: 60px 0;
    }

    .process-timeline {
        padding: 0 15px;
    }

    .process-timeline::before {
        left: 30px;
    }

    .process-step {
        flex-direction: row !important;
        padding-left: 70px;
        margin-bottom: 2rem;
    }

    .process-step:nth-child(even) {
        flex-direction: row !important;
    }

    .step-number {
        position: absolute;
        left: 0;
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }

    .step-content {
        max-width: none;
        flex: 1;
        padding: 1.5rem;
    }

    .step-content h3 {
        font-size: 1.2rem;
    }

    /* 投资组合移动端优化 */
    .portfolio {
        padding: 60px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 15px;
    }

    .portfolio-card {
        padding: 1.5rem;
    }

    .portfolio-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    /* 投资优势移动端优化 */
    .advantages {
        padding: 60px 0;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 15px;
    }

    .advantage-card {
        padding: 1.5rem;
    }

    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    /* 联系我们移动端优化 */
    .contact {
        padding: 60px 0;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 15px;
    }

    .contact-item {
        margin-bottom: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    /* 页脚移动端优化 */
    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 15px;
    }

    .footer-section {
        text-align: center;
    }

    .footer-section:first-child {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 2rem;
    }

    .footer-bottom {
        padding-top: 2rem;
        margin-top: 2rem;
        font-size: 0.9rem;
    }

    /* 返回顶部按钮移动端优化 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .hero {
        padding: 100px 0 40px;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        padding: 0 5px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .hero-stats .stat-number {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .section-header p {
        font-size: 0.9rem;
    }

    .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
        width: 90%;
    }

    .service-card,
    .philosophy-card,
    .portfolio-card,
    .advantage-card {
        padding: 1rem;
        margin: 0 10px;
    }

    .service-card h3,
    .philosophy-card h3,
    .portfolio-card h3,
    .advantage-card h3 {
        font-size: 1.1rem;
    }

    .service-card p,
    .philosophy-card p,
    .portfolio-card p,
    .advantage-card p {
        font-size: 0.9rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .contact-item i {
        font-size: 2rem;
        margin-top: 0;
    }

    .contact-item h4 {
        font-size: 1rem;
    }

    .contact-item p {
        font-size: 0.9rem;
    }

    .nav-logo {
        font-size: 1.3rem;
    }

    .nav-logo i {
        font-size: 1.5rem;
    }

    .footer-logo {
        font-size: 1.3rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 0.9rem;
        padding: 10px 12px;
    }

    .advantage-card ul,
    .service-card ul {
        font-size: 0.85rem;
    }

    .process-step {
        padding-left: 60px;
    }

    .step-number {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }

    .step-content h3 {
        font-size: 1.1rem;
    }

    .step-content p {
        font-size: 0.9rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #00d4ff, #4ecdc4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #4ecdc4, #00d4ff);
}

/* 加载动画 */
.loading {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

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

/* 平滑滚动效果 */
section {
    scroll-margin-top: 80px;
}

/* 悬停效果增强 */
.service-card,
.portfolio-card,
.philosophy-card,
.advantage-card {
    cursor: pointer;
}

/* 表单验证状态 */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #ff6b6b;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #4ecdc4;
}

/* 添加更多装饰性动画 */
.service-card,
.portfolio-card,
.philosophy-card,
.advantage-card {
    position: relative;
    overflow: hidden;
}

.service-card::after,
.portfolio-card::after,
.philosophy-card::after,
.advantage-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: cardDecoration 8s ease-in-out infinite;
    z-index: -1;
}

.service-card:hover::after,
.portfolio-card:hover::after,
.philosophy-card:hover::after,
.advantage-card:hover::after {
    opacity: 1;
}

@keyframes cardDecoration {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

/* 增强按钮效果 */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

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