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

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    overflow-x: hidden;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    box-shadow: 0 2px 20px rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #d4af37, #f4d03f, #b8860b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(212, 175, 55, 0.2);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: #2c2c2c;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    padding: 10px 0;
    border-bottom: 2px solid transparent;
    position: relative;
}

.nav-menu a:hover {
    color: #d4af37;
    border-bottom-color: #d4af37;
}

.email-nav-btn {
    background: linear-gradient(135deg, #d4af37, #f4d03f);
    color: #fff;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.email-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(250, 248, 240, 0.95) 50%, 
        rgba(245, 240, 225, 0.9) 100%), 
        url('../image/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
    animation: shimmer 4s ease-in-out infinite alternate;
}

.hero-content {
    max-width: 800px;
    padding: 0 40px;
    animation: fadeInUp 1.5s ease-out;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #d4af37, #f4d03f, #b8860b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    letter-spacing: 3px;
    text-shadow: 0 4px 8px rgba(212, 175, 55, 0.2);
    animation: goldGlow 3s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 50px;
    color: #5a5a5a;
    letter-spacing: 2px;
    opacity: 0;
    animation: fadeInSlide 1.5s ease-out 0.5s forwards;
}

.hero-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    font-style: italic;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInSlide 1.5s ease-out 1s forwards;
}

/* Floating particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: linear-gradient(45deg, #d4af37, #f4d03f);
    border-radius: 50%;
    animation: float 8s infinite linear;
    opacity: 0.6;
}

/* Sections */
.section {
    padding: 120px 0;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 80px;
    background: linear-gradient(135deg, #d4af37, #f4d03f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 300;
    letter-spacing: 2px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #d4af37, #f4d03f);
    border-radius: 2px;
}

/* About Section */
.about {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(252, 250, 245, 0.9) 50%, 
        rgba(248, 245, 235, 0.8) 100%);
    margin: 0 -40px;
    padding: 120px 40px;
    box-shadow: inset 0 0 50px rgba(212, 175, 55, 0.1);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 60px;
    margin-top: 60px;
}

.about-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(252, 250, 245, 0.95) 100%);
    border: 2px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: 50px 40px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.about-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 20px 50px rgba(212, 175, 55, 0.2);
}

.about-card h3 {
    color: #d4af37;
    font-size: 1.6rem;
    margin-bottom: 25px;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.about-card p {
    color: #4a4a4a;
    line-height: 1.8;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

/* Membership Section */
.membership {
    text-align: center;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.05), transparent 70%);
    position: relative;
}

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

.membership-highlight {
    font-size: 2rem;
    color: #d4af37;
    margin-bottom: 40px;
    font-weight: 500;
    letter-spacing: 1px;
    animation: pulse 2s ease-in-out infinite;
}

.membership-text {
    font-size: 1.3rem;
    color: #555;
    line-height: 2;
    margin-bottom: 60px;
}

.threshold-box {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(252, 250, 245, 0.95) 50%,
        rgba(255, 255, 255, 0.9) 100%);
    border: 3px solid rgba(212, 175, 55, 0.3);
    border-radius: 25px;
    padding: 80px 40px;
    margin: 40px 0;
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.threshold-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(212, 175, 55, 0.1) 50%, transparent 60%);
    animation: shine 3s infinite;
}

.threshold-amount {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #d4af37, #f4d03f, #b8860b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 8px rgba(212, 175, 55, 0.2);
    position: relative;
    z-index: 2;
}

.threshold-description {
    font-size: 1.2rem;
    color: #666;
    font-style: italic;
    position: relative;
    z-index: 2;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(252, 250, 245, 0.9) 50%, 
        rgba(248, 245, 235, 0.8) 100%);
    margin: 0 -40px;
    padding: 120px 40px;
    text-align: center;
    box-shadow: inset 0 0 50px rgba(212, 175, 55, 0.1);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.3rem;
    color: #555;
    margin-bottom: 50px;
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: 50px 0;
    text-align: center;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    color: #888;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes goldGlow {
    from {
        filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.3));
    }
    to {
        filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.6));
    }
}

@keyframes shimmer {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(100%);
    }
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-right {
        gap: 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .section {
        padding: 80px 20px;
    }
    
    .about, .contact {
        margin: 0 -20px;
        padding: 80px 20px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .threshold-amount {
        font-size: 2.8rem;
    }
    
    .membership-highlight {
        font-size: 1.6rem;
    }
    
    .membership-text {
        font-size: 1.1rem;
    }
    
    .email-nav-btn {
        padding: 10px 20px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .threshold-box {
        padding: 60px 30px;
    }
    
    .nav-right {
        gap: 15px;
    }
    
    .logo {
        font-size: 22px;
    }
}