/* 基础样式 */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-card-hover: #222230;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 通用样式 */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    font-size: 14px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo i {
    font-size: 24px;
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 14px;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.payment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 320px;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.card-header i {
    font-size: 20px;
    color: var(--accent-primary);
}

.card-amount {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.status.success {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
}

.card-methods {
    display: flex;
    gap: 16px;
    font-size: 28px;
}

.card-methods .fa-alipay { color: #1677ff; }
.card-methods .fa-weixin { color: #07c160; }
.card-methods .fa-qq { color: #12b7f5; }

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
}

/* Payment Section */
.payment-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.payment-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.payment-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.payment-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
}

.payment-icon.alipay { background: rgba(22, 119, 255, 0.15); color: #1677ff; }
.payment-icon.wechat { background: rgba(7, 193, 96, 0.15); color: #07c160; }
.payment-icon.qq { background: rgba(18, 183, 245, 0.15); color: #12b7f5; }
.payment-icon.bank { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.payment-icon.paypal { background: rgba(0, 48, 135, 0.15); color: #003087; }
.payment-icon.more { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }

.payment-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.payment-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Advantages Section */
.advantages-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.advantages-text h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.advantage-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.advantage-info h4 {
    font-size: 18px;
    margin-bottom: 6px;
}

.advantage-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

.code-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.filename {
    margin-left: auto;
    font-size: 13px;
    color: var(--text-muted);
}

.code-block pre {
    padding: 24px;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.8;
    overflow-x: auto;
}

.code-block .comment { color: #6b7280; }
.code-block .variable { color: #f472b6; }
.code-block .string { color: #34d399; }
.code-block .number { color: #fbbf24; }
.code-block .function { color: #60a5fa; }

/* API Section */
.api-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.api-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.api-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.api-card:hover {
    border-color: var(--accent-primary);
}

.api-card i {
    font-size: 36px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.api-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.api-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

.sdk-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sdk-title {
    color: var(--text-secondary);
}

.sdk-items {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sdk-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 40px;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Footer */
.footer {
    padding: 80px 0 32px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .payment-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .api-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .payment-grid,
    .features-grid,
    .api-features {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .sdk-list {
        flex-direction: column;
    }
}

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

.hero-text,
.payment-item,
.feature-card,
.api-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========== 背景装饰元素 ========== */

/* 网格背景 */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* 光晕效果 */
.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
}

.glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    top: -100px;
    left: -100px;
    animation: glowPulse 8s ease-in-out infinite;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
    top: 30%;
    right: -50px;
    animation: glowPulse 10s ease-in-out infinite reverse;
}

.glow-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    bottom: 10%;
    left: 20%;
    animation: glowPulse 12s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.3; }
}

/* 漂浮形状 */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    animation: floatShape 20s linear infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-duration: 25s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 5%;
    border-radius: 30%;
    animation-duration: 30s;
    animation-delay: -5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 15%;
    right: 15%;
    animation-duration: 20s;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 70%;
    right: 10%;
    border-radius: 20%;
    animation-duration: 35s;
    animation-delay: -15s;
}

.shape-5 {
    width: 40px;
    height: 40px;
    top: 40%;
    right: 25%;
    animation-duration: 18s;
    animation-delay: -8s;
}

@keyframes floatShape {
    0% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-30px) rotate(180deg); opacity: 0.6; }
    100% { transform: translateY(0) rotate(360deg); opacity: 0.3; }
}

/* 粒子容器 */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(99, 102, 241, 0.6);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Section 背景图案 */
.section-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.payment-section {
    position: relative;
    overflow: hidden;
}

/* Features 光晕 */
.features-section {
    position: relative;
    overflow: hidden;
}

.features-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* CTA 背景线条 */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-bg-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 100px,
        rgba(99, 102, 241, 0.03) 100px,
        rgba(99, 102, 241, 0.03) 101px
    );
    pointer-events: none;
}

.cta-glow {
    position: absolute;
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: ctaGlowPulse 6s ease-in-out infinite;
}

@keyframes ctaGlowPulse {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

/* API Section 背景 */
.api-section {
    position: relative;
    overflow: hidden;
}

.api-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

/* Advantages Section 背景 */
.advantages-section {
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* Footer 背景 */
.footer {
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
}

/* 星星闪烁效果 */
.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: starTwinkle 3s ease-in-out infinite;
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* 流星效果 */
.meteor {
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.8), transparent);
    animation: meteorFall 3s linear infinite;
    opacity: 0;
}

@keyframes meteorFall {
    0% {
        transform: translateX(0) translateY(0) rotate(-45deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: translateX(-500px) translateY(500px) rotate(-45deg);
        opacity: 0;
    }
}

/* 鼠标跟随光效 */
.mouse-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

/* 卡片悬浮光效 */
.payment-item::before,
.feature-card::before,
.api-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
        rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    pointer-events: none;
}

.payment-item:hover::before,
.feature-card:hover::before,
.api-card:hover::before {
    opacity: 1;
}

.payment-item,
.feature-card,
.api-card {
    position: relative;
}

/* 渐变边框动画 */
.payment-card {
    position: relative;
}

.payment-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        var(--accent-primary), 
        var(--accent-secondary), 
        #a855f7, 
        var(--accent-primary));
    background-size: 400% 400%;
    border-radius: calc(var(--radius-lg) + 2px);
    z-index: -1;
    animation: gradientBorder 8s ease infinite;
    opacity: 0.5;
}

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

/* 光线扫过效果 */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -100%;
    width: 50%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: skewX(-25deg);
    animation: btnShine 4s ease-in-out infinite;
}

@keyframes btnShine {
    0%, 100% { left: -100%; }
    50% { left: 150%; }
}

/* 脉冲圆环 */
.hero-visual::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulseRing 4s ease-out infinite;
}

.hero-visual::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulseRing 4s ease-out infinite 1s;
}

@keyframes pulseRing {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

.hero-visual {
    position: relative;
}