/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #0a0a0a;
}

/* 全屏导航 */
.fullscreen-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.fullscreen-nav .nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 50px;
    flex-shrink: 0;
}

.brand-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.brand-text {
    font-size: 28px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.fullscreen-nav .nav-links {
    display: flex;
    flex-direction: row;
    gap: 30px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    padding: 10px 0;
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    margin-right: 50px;
    flex-shrink: 0;
}

.btn-start {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-start:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.6);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    margin-right: 20px;
    flex-shrink: 0;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主视觉区域 */
.main-visual {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.visual-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 15%;
    animation-delay: 2s;
}

.element-3 {
    width: 100px;
    height: 100px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.element-4 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    right: 25%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.visual-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
}

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.badge-new i {
    color: #fdcb6e;
    font-size: 18px;
}

.main-title {
    font-size: 72px;
    font-weight: bold;
    line-height: 1.1;
    margin-bottom: 30px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.title-line-1 {
    display: block;
    color: white;
}

.title-line-2 {
    display: block;
    color: white;
}

.main-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.5;
}

.feature-highlights {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.highlight-item i {
    color: #fdcb6e;
    font-size: 20px;
    width: 24px;
}

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: white;
    color: #667eea;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* 智能转换器 */
.converter-widget {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.converter-widget::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.widget-header h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.security-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.conversion-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.payment-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 15px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.from-card {
    border-color: #07c160;
}

.to-card {
    border-color: #1677ff;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.card-icon.wechat {
    background: #07c160;
}

.card-icon.alipay {
    background: #1677ff;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-name {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.card-balance {
    font-size: 18px;
    font-weight: bold;
    color: #667eea;
}

.conversion-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 20px;
}

.arrow-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.arrow-head {
    color: #667eea;
    font-size: 20px;
    margin-top: 5px;
}

.amount-section {
    border-top: 1px solid #eee;
    padding-top: 25px;
}

.amount-input-group {
    margin-bottom: 20px;
}

.amount-input-group label {
    display: block;
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
    font-weight: bold;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency {
    position: absolute;
    left: 15px;
    font-size: 18px;
    font-weight: bold;
    color: #667eea;
    z-index: 2;
}

.amount-input {
    width: 100%;
    padding: 15px 15px 15px 35px;
    border: 2px solid #eee;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.amount-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.quick-select {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.quick-btn {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #eee;
    background: white;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-btn.active,
.quick-btn:hover {
    border-color: #667eea;
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.fee-breakdown {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
}

.fee-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 16px;
}

.fee-row.total {
    font-weight: bold;
    font-size: 18px;
    color: #667eea;
    border-top: 2px solid #ddd;
    padding-top: 15px;
    margin-top: 15px;
}

.fee-label {
    color: #666;
}

.fee-value {
    font-weight: bold;
    color: #333;
}

.fee-row.total .fee-value {
    color: #667eea;
}

/* 数据展示区 */
.data-showcase {
    padding: 80px 0;
    background: white;
    position: relative;
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.data-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

.data-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.data-item:hover::before {
    transform: scaleX(1);
}

.data-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.data-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.data-content {
    color: #333;
}

.data-number {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #667eea;
}

.data-label {
    font-size: 16px;
    color: #666;
}

/* 特色功能区 */
.features-section {
    padding: 120px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 20px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.features-layout {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.feature-main {
    display: flex;
    align-items: center;
}

.feature-card {
    background: white;
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card.primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.feature-card h3 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.feature-card.primary h3 {
    color: white;
}

.feature-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.feature-card.primary p {
    color: rgba(255, 255, 255, 0.9);
}

.card-stats {
    display: flex;
    gap: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 5px;
}

.feature-card.primary .stat-number {
    color: white;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

.feature-card.primary .stat-label {
    color: rgba(255, 255, 255, 0.8);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* 转换流程 */
.process-section {
    padding: 120px 0;
    background: white;
}

.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.timeline-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.timeline-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    margin: 0 auto 25px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    position: relative;
    z-index: 2;
}

.timeline-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.timeline-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 20px;
}

.timeline-icon {
    color: #667eea;
    font-size: 32px;
}

.timeline-connector {
    display: flex;
    align-items: center;
    margin: 0 20px;
}

.connector-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.connector-arrow {
    color: #667eea;
    font-size: 20px;
    margin-left: 10px;
}

/* 用户评价 */
.reviews-section {
    padding: 120px 0;
    background: #f8f9fa;
}

.reviews-carousel {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.review-card {
    background: white;
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 30px;
    font-size: 80px;
    color: rgba(102, 126, 234, 0.2);
    font-family: serif;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.review-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
}

.review-rating i {
    color: #fdcb6e;
    font-size: 20px;
}

.review-text {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.author-info h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.author-info span {
    font-size: 14px;
    color: #666;
}

/* 联系我们 */
.contact-section {
    padding: 120px 0;
    background: white;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-info h2 {
    font-size: 42px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.method-info h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.method-info p {
    font-size: 18px;
    color: #667eea;
    font-weight: bold;
    margin: 0;
}

.contact-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-stats .stat-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.contact-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.contact-stats .stat-number {
    font-size: 28px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
}

.contact-stats .stat-label {
    font-size: 16px;
    color: #666;
}

/* 页脚 */
.footer {
    background: #f8f9fa;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #e9ecef;
}

.footer-content p {
    color: #666;
    font-size: 16px;
}

.footer-content a {
    color: #667eea;
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* 移动端底部横幅 */
.mobile-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 15px 20px;
    z-index: 1000;
    display: none;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.banner-left {
    display: flex;
    align-items: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
}

.banner-left i {
    margin-right: 10px;
    font-size: 18px;
}

.banner-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.banner-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .fullscreen-nav {
        padding: 15px 0;
    }
    
    .fullscreen-nav .nav-brand {
        margin-left: 20px;
    }
    
    .brand-text {
        font-size: 24px;
    }
    
    .fullscreen-nav .nav-links {
        display: none;
    }
    
    .nav-actions {
        margin-right: 20px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .visual-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
        text-align: center;
    }
    
    .main-title {
        font-size: 48px;
    }
    
    .main-subtitle {
        font-size: 20px;
    }
    
    .showcase-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 20px;
    }
    
    .features-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 40px;
        padding: 0 20px;
    }
    
    .timeline-connector {
        transform: rotate(90deg);
        margin: 20px 0;
    }
    
    .reviews-carousel {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }
    
    .contact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .mobile-banner {
        display: block;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .section-header p {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 36px;
    }
    
    .main-subtitle {
        font-size: 18px;
    }
    
    .showcase-container {
        grid-template-columns: 1fr;
    }
    
    .contact-stats {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .feature-card,
    .review-card,
    .contact-method {
        padding: 30px 20px;
    }
    
    .converter-widget {
        padding: 30px 20px;
    }
    
    .banner-left {
        font-size: 14px;
    }
    
    .banner-btn {
        font-size: 14px;
        padding: 8px 16px;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}