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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 头部导航 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 0 20px;
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #D4AF37;
    cursor: pointer;
    text-decoration: none;
}

.logo .number {
    font-size: 32px;
    font-weight: 800;
}

.logo .domain {
    font-weight: 400;
    color: #333;
}

.nav-slogan {
    font-size: 16px;
    color: #666;
    display: none;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #D4AF37;
}

/* Hero区 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #FFFDF5 0%, #F0F7FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-icon {
    font-size: 60px;
    margin-bottom: 30px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #D4AF37;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    color: #666;
    margin-bottom: 15px;
}

.hero-desc {
    font-size: 16px;
    color: #999;
}

/* 核心优势 */
.advantages {
    padding: 100px 20px;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.advantages-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.advantage-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 16px;
    background: linear-gradient(135deg, #FFFDF5 0%, #FFF 100%);
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

.advantage-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.advantage-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* 品牌理念 */
.philosophy {
    padding: 100px 20px;
    background: linear-gradient(135deg, #F8F6F0 0%, #F0F4F8 100%);
}

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

.philosophy-text {
    font-size: 18px;
    color: #555;
    line-height: 2;
}

/* 关于我们 */
.about {
    padding: 100px 20px;
    background: #fff;
}

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

.about-text {
    font-size: 16px;
    color: #666;
    line-height: 2;
}

/* 合规声明 */
.compliance {
    padding: 60px 20px;
    background: #FAFAFA;
}

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

.compliance-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.compliance-text {
    font-size: 14px;
    color: #888;
    line-height: 1.8;
}

/* 底部 */
footer {
    padding: 40px 20px;
    background: #fff;
    border-top: 1px solid #eee;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-left {
    font-size: 14px;
    color: #999;
}

.footer-middle {
    font-size: 16px;
    font-weight: 600;
    color: #D4AF37;
}

.footer-right {
    font-size: 14px;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-slogan {
        display: none;
    }

    .nav-links {
        gap: 20px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-icon {
        font-size: 45px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 26px;
    }

    .philosophy-text {
        font-size: 16px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (min-width: 992px) {
    .nav-slogan {
        display: block;
    }
}