:root {
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --gold-color: #c5a059;
    --text-dark: #2c3e50;
    --text-light: #ecf0f1;
    --bg-light: #fdfaf6;
    --accent-purple: #7c4dff;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    color: white;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

.hero-content h1 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 4rem;
    margin-bottom: 0.5rem;
    letter-spacing: 5px;
    animation: fadeInDown 1.5s ease-out;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    letter-spacing: 2px;
    font-weight: 300;
    animation: fadeInUp 1.5s ease-out 0.5s both;
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

/* Step Sections */
.step-section {
    padding: 4rem 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 5rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    z-index: 1;
}

.step-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    width: 100%;
    box-shadow: var(--card-shadow);
    z-index: 2;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.step-card.highlight {
    background: linear-gradient(to bottom right, #fff, #fef9f1);
    border: 1px solid #f1e0c5;
}

.step-card.special {
    background: linear-gradient(to bottom right, #fff, #f5f3ff);
    border: 1px solid #e0d7ff;
}

.badge {
    background: #f0f2f5;
    color: #666;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 1rem;
}

.step-card h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.card-body p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #555;
}

.card-body ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.card-body ul li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.card-body ul li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: var(--primary-color);
}

.tip {
    font-size: 0.9rem;
    background: #fff5f5;
    padding: 1rem;
    border-radius: 10px;
    border-left: 3px solid #ff7675;
    margin: 1.5rem 0;
    color: #d63031;
}

/* Buttons */
.card-footer {
    display: flex;
    justify-content: center;
}

.card-footer.vertical {
    flex-direction: column;
    gap: 1rem;
}

.btn {
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn small {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 2px;
}

.btn-outline {
    border: 2px solid var(--accent-purple);
    color: var(--accent-purple);
}

.btn-primary {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
}

.btn-gold {
    background: linear-gradient(135deg, #d4af37 0%, #c5a059 100%);
    color: white;
}

.divider {
    text-align: center;
    position: relative;
    margin: 0.5rem 0;
}

.divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: #eee;
}

.divider span {
    background: white;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    color: #999;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(106, 17, 203, 0.4); }
    70% { transform: scale(1.02); box-shadow: 0 0 0 10px rgba(106, 17, 203, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(106, 17, 203, 0); }
}

/* Footer */
.page-footer {
    padding: 3rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: #999;
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 3rem; }
    .step-section { padding: 3rem 1rem; }
}