/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0e17;
    color: #e0e0ff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 背景效果 */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(10, 14, 23, 0.9) 70%);
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #1df5ff, transparent),
        radial-gradient(2px 2px at 40px 70px, #fb00ff, transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, #fff, transparent),
        radial-gradient(2px 2px at 40px 120px, #1df5ff, transparent),
        radial-gradient(1px 1px at 110px 150px, #fb00ff, transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    opacity: 0.3;
    animation: sparkle 3s linear infinite;
}

@keyframes sparkle {
    from { transform: translateY(0) translateX(0); }
    to { transform: translateY(-200px) translateX(-200px); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 头部导航 */
.header-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(10, 14, 23, 0);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(92, 119, 255, 0.2);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    font-size: 2rem;
    background: linear-gradient(90deg, #1df5ff, #fb00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(31, 223, 255, 0.3);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #b0b0ff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #1df5ff;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #1df5ff, #fb00ff);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

/* 英雄区域 */
.hero {
    display: flex;
    align-items: center;
    padding: 80px 0;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, #b0b0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #a0a0d0;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn.primary {
    background: linear-gradient(90deg, #1df5ff, #0077ff);
    color: #0a0e17;
    box-shadow: 0 0 20px rgba(31, 223, 255, 0.5);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 25px rgba(31, 223, 255, 0.7);
}

.btn.secondary {
    background: transparent;
    color: #1df5ff;
    border: 2px solid #1df5ff;
    box-shadow: 0 0 10px rgba(31, 223, 255, 0.3);
}

.btn.secondary:hover {
    background: rgba(29, 245, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(31, 223, 255, 0.5);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.tech-card {
    width: 250px;
    height: 250px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 10s infinite linear;
}

@keyframes rotate {
    0% { transform: rotateY(0); }
    100% { transform: rotateY(360deg); }
}

.tech-card-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s;
}

.tech-card:hover .tech-card-inner {
    transform: rotateY(180deg);
}

.tech-card-front, .tech-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.tech-card-front {
    background: linear-gradient(135deg, rgba(29, 245, 255, 0.2), rgba(0, 119, 255, 0.2));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(29, 245, 255, 0.3);
}

.tech-card-back {
    background: linear-gradient(135deg, rgba(251, 0, 255, 0.2), rgba(123, 0, 255, 0.2));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(251, 0, 255, 0.3);
    transform: rotateY(180deg);
}

.wifi-icon {
    font-size: 5rem;
}

.tech-card-back p {
    font-size: 1.2rem;
    text-align: center;
    padding: 20px;
}

/* 功能特点 */
.features {
    padding: 80px 0;
    text-align: center;
}

.features h2, .how-it-works h2, .benefits h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    background: linear-gradient(90deg, #1df5ff, #fb00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(20, 25, 45, 0.6);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(92, 119, 255, 0.2);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(29, 245, 255, 0.4);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1df5ff;
}

.feature-card p {
    color: #a0a0d0;
}

/* 工作原理 */
.how-it-works {
    padding: 80px 0;
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px 20px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 40px;
    color: #1df5ff;
    font-size: 2rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1df5ff, #0077ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.2rem;
    color: #0a0e17;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #fb00ff;
}

.step p {
    color: #a0a0d0;
}

/* 收益说明 */
.benefits {
    padding: 80px 0;
}

.benefits-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.benefit-chart {
    flex: 1;
}

.chart-placeholder {
    height: 300px;
    background: rgba(20, 25, 45, 0.6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(92, 119, 255, 0.2);
}

.chart-placeholder p {
    font-size: 1.5rem;
    color: #1df5ff;
}

.benefit-details {
    flex: 1;
}

.benefit-details h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #1df5ff;
}

.benefit-details ul {
    list-style: none;
    margin-bottom: 30px;
}

.benefit-details ul li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #a0a0d0;
}

.benefit-details ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff9d;
    font-weight: bold;
}

.highlight {
    background: rgba(29, 245, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #1df5ff;
}

.income {
    color: #00ff9d;
    font-weight: bold;
    font-size: 1.3rem;
}

/* 行动号召 */
.cta-section {
    text-align: center;
    padding: 100px 0;
    background: radial-gradient(circle at center, rgba(29, 245, 255, 0.1), transparent 70%);
    margin: 50px 0;
    border-radius: 20px;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, #b0b0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #a0a0d0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn.large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* 页脚 */
footer {
    padding: 50px 0 20px;
    border-top: 1px solid rgba(92, 119, 255, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #1df5ff;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #fb00ff;
}

.footer-section p {
    color: #a0a0d0;
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: #1df5ff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #fb00ff;
    text-shadow: 0 0 10px rgba(251, 0, 255, 0.5);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(92, 119, 255, 0.1);
    color: #6c7593;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .benefits-content {
        flex-direction: column;
    }
    
    header {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
}