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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    min-height: 100vh;
}

/* Wave Flow Layout - 波浪流动布局 */
.wave-container {
    position: relative;
    overflow: hidden;
}

.wave-container::before {
    content: '📱';
    position: absolute;
    font-size: 200px;
    opacity: 0.03;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* Header - 非浮动 */
header {
    background: linear-gradient(90deg, #00d2ff 0%, #3a7bd5 100%);
    padding: 1rem 0;
    border-bottom: 5px solid #00d2ff;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
}

.logo h1 {
    font-size: 2rem;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.play-button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a6f) !important;
    font-weight: bold !important;
    animation: wave-glow 2s ease-in-out infinite;
}

@keyframes wave-glow {
    0%, 100% { box-shadow: 0 0 10px #ff6b6b; }
    50% { box-shadow: 0 0 20px #ee5a6f, 0 0 30px #ff6b6b; }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0,210,255,0.1), rgba(58,123,213,0.1));
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 100"><path fill="%23203a43" d="M0,50 Q300,0 600,50 T1200,50 L1200,100 L0,100 Z"/></svg>');
    background-size: cover;
}

.hero img {
    max-width: 800px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    margin-bottom: 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin: 20px 0;
    color: #00d2ff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    color: #e0e0e0;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #00d2ff, #3a7bd5);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0,210,255,0.4);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0,210,255,0.6);
}

/* Wave Section - 波浪形卡片 */
.wave-section {
    padding: 60px 20px;
    position: relative;
}

.wave-section::before {
    content: '🌊';
    position: absolute;
    font-size: 150px;
    opacity: 0.05;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    pointer-events: none;
}

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

.wave-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #00d2ff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.wave-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.wave-card {
    background: linear-gradient(135deg, rgba(58,123,213,0.2), rgba(0,210,255,0.1));
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s;
    border: 2px solid rgba(0,210,255,0.3);
    position: relative;
    overflow: hidden;
}

.wave-card::before {
    content: '📲';
    position: absolute;
    font-size: 80px;
    opacity: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0) rotate(0deg);
    transition: all 0.4s;
}

.wave-card:hover::before {
    opacity: 0.1;
    transform: translate(-50%, -50%) scale(1) rotate(360deg);
}

.wave-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,210,255,0.4);
    border-color: #00d2ff;
}

.wave-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    loading: lazy;
}

.wave-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #00d2ff;
}

.wave-card p {
    color: #e0e0e0;
    margin-bottom: 15px;
}

.wave-card a {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(45deg, #00d2ff, #3a7bd5);
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s;
}

.wave-card a:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0,210,255,0.5);
}

/* Content Section */
.content-section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.content-section h2, .content-section h3 {
    color: #00d2ff;
    margin: 20px 0;
}

.content-section p, .content-section ul, .content-section ol {
    color: #e0e0e0;
    margin-bottom: 15px;
    line-height: 1.8;
}

.content-section ul, .content-section ol {
    padding-left: 30px;
}

.content-section li {
    margin-bottom: 10px;
}

.content-section strong {
    color: #00d2ff;
}

/* FAQ Section */
.faq-section {
    background: linear-gradient(135deg, rgba(58,123,213,0.1), rgba(0,210,255,0.05));
    padding: 60px 20px;
    margin: 40px 0;
    border-radius: 20px;
}

.faq-item {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 10px;
    border-left: 4px solid #00d2ff;
}

.faq-item h3 {
    color: #00d2ff;
    margin-bottom: 10px;
}

/* Reviews Section */
.reviews-section {
    padding: 60px 20px;
}

.review-card {
    background: linear-gradient(135deg, rgba(58,123,213,0.2), rgba(0,210,255,0.1));
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
    border: 2px solid rgba(0,210,255,0.3);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.review-author {
    font-weight: bold;
    color: #00d2ff;
}

.review-rating {
    color: #ffd700;
    font-size: 1.2rem;
}

.review-text {
    color: #e0e0e0;
    line-height: 1.8;
}

.review-date {
    color: #999;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0f2027, #203a43);
    padding: 40px 20px;
    margin-top: 60px;
    border-top: 3px solid #00d2ff;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h3 {
    color: #00d2ff;
    margin-bottom: 15px;
}

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

.footer-section a {
    color: #e0e0e0;
    text-decoration: none;
    display: block;
    padding: 5px 0;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: #00d2ff;
    padding-left: 10px;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,210,255,0.3);
    color: #999;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 { font-size: 2rem; }
    .wave-section h2 { font-size: 2rem; }
    nav ul { flex-direction: column; gap: 10px; }
    .logo h1 { font-size: 1.5rem; }
}