/* 基础重置和全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: transparent;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: inherit;
}

a:hover {
    text-decoration: none;
}

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

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

/* 按钮样式 */
.btn-primary {
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    background: linear-gradient( 90deg, #F9D558 0%, #FBC200 100%);
    margin: 5px 10px 15px 0px;
    height: 48px;
    min-width: 200px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #333;
    border: 2px solid #ddd;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    min-width: 200px;
    box-sizing: border-box;
    margin: 5px 10px 15px 0px;
}

.btn-secondary:hover {
    border-color: #FFD700;
    color: #FFD700;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-language {
    background: transparent;
    color: #231815;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-language:hover {
    background: rgba(35, 24, 21, 0.1);
}

/* 语言下拉菜单样式 */
.language-dropdown {
    position: relative;
    display: inline-block;
}

.language-options {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 160px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 5px;
    border: 1px solid #e5e5e5;
}

.language-dropdown:hover .language-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
    gap: 8px;
}

.language-option:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

.language-option:first-child {
    border-radius: 8px 8px 0 0;
}

.language-option:hover {
    background-color: #f8f9fa;
    color: #F9D558;
}

.language-option .flag {
    font-size: 1.2em;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .btn-primary{
        width: 100%;
    }
    .btn-secondary{
        width: 100%;
        display: initial;
    }
    .language-options {
        min-width: 140px;
        right: -10px;
    }
    
    .language-option {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .language-option .flag {
        font-size: 1rem;
    }
}

.btn-register {
    background: linear-gradient( 90deg, #F9D558 0%, #FBC200 100%);
    border: none;
    padding: 10px 20px;
    border-radius: 23px;
    font-weight: 500;
    font-size: 18px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 导航栏 */
.navbar {
    background: rgba(250, 250, 251, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    color: #333;
}

.nav-brand i {
    color: #FFD700;
    font-size: 20px;
}

.nav-brand img {
    height: 32px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    border: 1px solid #231815;
    border-radius: 25px;
    padding: 10px 20px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #231815;
    font-weight: 400;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #231815;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #231815;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    transition: all 0.3s ease;
    position: relative;
    top: 4px;
}

.mobile-menu-btn:hover img {
    opacity: 0.7;
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    background: transparent;
    padding: 100px 0 80px;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.9rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #333;
    line-height: 1.2;
    margin-top: 4.5rem;
}

.hero-content p {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

/* 统计数据网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: #fafafb;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

/* Why Section */
.why-section {
    padding: 80px 0;
    background: transparent;
}

.why-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {

    text-align: center;
    padding: 40px 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #FFD700, #FFA500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 2rem;
    color: #333;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Trust Section */
.trust-section {
    padding: 80px 0;
    background: transparent;
}

.trust-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.trust-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: #333;
    line-height: 1.3;
}

.trust-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 10px 20px;
    margin-bottom: 40px;
}

.trust-stat {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 0px;
}

.trust-stat .flag {
    font-size: 4rem;
}

.trust-stat .flag img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.trust-stat h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: -7px;
}

.trust-stat h3.trust-number {
    color: #F9D558;
}

.trust-stat p {
    color: #666;
    font-size: 1rem;
}

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

.trust-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: space-between;
}

.trust-visual img {
    width: 100%;
    height: auto;
    border-radius: 15px;
}

/* Partners Section */
.partners-section {
    padding: 80px 0;
    background: transparent;
}

.partners-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 50px;
    align-items: stretch;
}

.partner-card {
    background: transparent;
    padding: 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid #fff;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.partner-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.partner-card img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    flex-shrink: 0;
}

.partner-info {
    text-align: left;
}

.partner-card h4 {
    font-size: 0.7rem;
    font-weight: 800;
    margin-bottom: -2px;
    color: #333;
}

.partner-info p {
    color: #7B7572;
    margin: 0;
    font-size: 0.7rem;
}

.stars {
    margin-bottom: 15px;
}

.stars i {
    color: #FFD700;
    margin-right: 3px;
}

.partner-review {
    background: white;
    padding: 10px;
    border-radius: 15px;
    margin-top: 10px;
    border: 1px solid white;
    flex: 1;
    display: flex;
    align-items: flex-start;
}

.partner-review p {
    color: #B0AFB0;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Partnership Section */
.partnership-section {
    padding: 80px 0;
    background: transparent;
}

.partnership-section h2 {
    text-align: center;
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.partnership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.partnership-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.partnership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}



.partnership-card img {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: block;
}

.partnership-card h3 {
    font-size: 0.94rem;
    font-weight: 600;
    color: #7B7572;
    line-height: 1.4;
}

/* Why Choose AlphaMining Section */
.why-choose-section {
    padding: 35px 30px;
    text-align: center;
}

.why-choose-section h3 {
    margin-bottom: 30px;
    font-family: Roboto, Roboto;
    font-weight: 400;
    font-size: 18px;
    color: #7B7572;
}

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

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: transparent;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    text-align: center;
    position: relative;
}

.phone-mockup {
    width: 180px;
    height: 320px;
    margin: 0 auto 15px;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 8px;
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 22px;
}



.step-card h3 {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    color: #333;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin: 10px auto;
    border: none;
    cursor: default;
    text-align: center;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: transparent;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 0 auto 50px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 25px 30px;
    border-radius: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    flex: 1;
}

.faq-item i {
    color: #333;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 48px 0 20px;
}

/* Desktop Footer - 默认显示 */
.desktop-footer {
    display: block;
}

/* Mobile Footer - 默认隐藏 */
.mobile-footer {
    display: none;
}

/* Footer 三栏水平对齐布局 */
.footer-content {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 36px;
}

.footer-left,
.app-downloads,
.social-media {
    flex: 1 1 0;
    min-width: 0;
}

.footer-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 10px; /* 控制上下间距 */
}

.footer-left .footer-brand img {
    display: block;
    height: 40px;
    margin: 0;
}

.app-downloads {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.social-media {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

/* 统一h4、按钮等的margin，避免撑高 */
.footer-content h4 {
    margin: 0 0 8px 0;
    padding: 0;
    line-height: 1.2;
}

.download-buttons, .social-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.footer-right {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: white;
}

.footer-brand img {
    height: 24px;
    width: auto;
}

.footer-brand i {
    color: #FFD700;
    font-size: 24px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}

.footer-section ul li a:hover {
    color: #FFD700;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.app-downloads h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
    width: 94%;
}

.download-buttons {
    display: flex;
    gap: 10px;
    flex-direction: row;
}



.download-btn {
    display: flex;
    align-items: center;
    padding: 4px 6px;
    border-radius: 6px;
    text-decoration: none;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    gap: 15px;
    cursor: pointer;
}

.transparent-bg {
    background: transparent !important;
}

.download-btn:hover {
    border: 1px dashed rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.download-btn i {
    font-size: 2rem;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
    min-width: 30px;
}

.download-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-platform {
    font-size: 0.55rem;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
    margin-bottom: 2px;
}

.download-type {
    font-size: 0.6rem;
    font-weight: 600;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}



.social-media {
    margin-top: 10px !important;
    display: flex !important;
    align-items: center !important;
    gap: 15px !important;
    flex-direction: column;
}

.social-media h4 {
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    margin-bottom: 0 !important;
    color: white !important;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3) !important;
}

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

.social-links a {
    color: white;
    transition: color 0.3s ease;
    font-size: 1.2rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}

.social-links a:hover {
    color: #FFD700;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
}

.footer-bottom-links a:hover {
    color: #FFD700;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
}

.language-selector {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    color: white;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    top: 25px;
}

.language-selector i {
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 1024px) and (min-width: 769px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }

    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 15px;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .partners-section h2 {
        font-size: 2.2rem;
    }

    .partnership-section h2 {
        font-size: 2.2rem;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .trust-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .trust-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .trust-stat h3 {
        font-size: 1.6rem;
    }

    .trust-buttons {
        justify-content: center;
        flex-direction: row;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
    }

    .trust-buttons .btn-primary,
    .trust-buttons .btn-secondary {
        width: auto;
        max-width: 250px;
        justify-content: center;
    }
    
    .text-center .btn-primary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }



    /* 隐藏桌面版footer，显示移动版footer */
    .desktop-footer {
        display: none;
    }

    .mobile-footer {
        display: block;
        padding: 40px 0 20px;
    }

    .mobile-footer .container {
        display: flex;
        flex-direction: column;
        gap: 30px;
        text-align: left;
        align-items: flex-start;
    }

    .mobile-footer .footer-brand img {
        height: 35px;
        width: auto;
    }

    .mobile-footer .footer-links {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
    }

    .mobile-footer .language-selector {
        margin-top: 0;
        justify-content: flex-start;
    }

    .mobile-footer .footer-bottom {
        border-top: 1px solid #333;
        padding-top: 20px;
        text-align: center;
        gap: 15px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .mobile-footer .footer-bottom-links {
        display: flex;
        flex-direction: row;
        gap: 20px;
        align-items: center;
        justify-content: center;
    }

    .mobile-footer .social-media {
        align-items: flex-start !important;
        flex-direction: column !important;
        width: 100%;
    }

    .mobile-footer .social-media h4 {
        margin-bottom: 15px !important;
        align-self: flex-start;
    }

    .mobile-footer .social-media-content {
        display: flex;
        /*justify-content: flex-end;*/
        align-items: center;
        gap: 20px;
        width: 100%;
        align-content: flex-start;
        justify-content: space-between;
    }

    .mobile-footer .social-links {
        display: flex;
        gap: 15px;
        flex: 0 0 auto;
    }

    .mobile-footer .language-selector {
        margin-top: 0 !important;
        margin-left: 0;
        flex: 0 0 auto;
        justify-content: flex-end !important;
    }

    .mobile-footer .app-downloads,
    .mobile-footer .social-media h4,
    .mobile-footer .app-downloads h4 {
        text-align: left;
    }



    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        order: 3;
        margin-left: auto;
    }

    .nav-actions {
        gap: 10px;
        order: 2;
    }

    .navbar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 15px;
    }

    .btn-language {
        display: none;
    }

    .btn-register {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        max-width: none;
        font-size: 15px;
        padding: 12px 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-item {
        padding: 20px 15px;
    }

    .stat-item h3 {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }

    .stat-item p {
        font-size: 0.85rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .feature-card {
        padding: 20px 15px;
        display: flex;
        flex-direction: column;
        height: 100%;
        min-height: 180px;
    }

    .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 8px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        line-height: 1.3;
    }

    .feature-card p {
        font-size: 0.85rem;
        line-height: 1.4;
        flex-grow: 1;
        display: flex;
        align-items: center;
    }

    .feature-icon {
        margin-bottom: 15px;
    }

    .feature-icon img {
        width: 40px;
        height: 40px;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .partners-section h2 {
        font-size: 2.2rem;
    }

    .partnership-section h2 {
        font-size: 2.2rem;
    }

    .trust-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .trust-stat h3 {
        font-size: 1.6rem;
    }

    .trust-buttons {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
    }

    .trust-buttons .btn-primary,
    .trust-buttons .btn-secondary {
        width: auto;
        max-width: 250px;
        justify-content: center;
        font-size: 15px;
        padding: 12px 20px;
    }
    
    .text-center .btn-primary {
        width: 100%;
        max-width: none;
        justify-content: center;
        font-size: 15px;
        padding: 12px 20px;
    }

    .text-center .btn-primary {
        width: 100%;
        max-width: none;
        justify-content: center;
        font-size: 15px;
        padding: 12px 20px;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .phone-mockup {
        width: 140px;
        height: 240px;
        padding: 6px;
    }

    .global-distribution-btn {
        display: block;
        width: 100%;
        margin: 20px 0 0 0 !important;
        box-sizing: border-box;
        text-align: center;
    }
    .trust-buttons .btn-primary,
    .trust-buttons .btn-secondary {
        display: block;
        width: 100%;
        margin: 10px 0 0 0 !important;
        box-sizing: border-box;
    }


    /* 在小屏幕上继续使用移动版footer */
    .desktop-footer {
        display: none;
    }

    .mobile-footer {
        display: block;
        padding: 30px 0 15px;
    }

    .mobile-footer .container {
        gap: 25px;
    }

    .mobile-footer .footer-bottom {
        gap: 12px;
        padding-top: 15px;
        width: 100%;
    }

    .mobile-footer .footer-bottom-links {
        gap: 15px;
    }


}

/* 确保3D canvas始终在背景层 */
#canvas-3d {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: -1 !important;
    pointer-events: none !important;
}

/* 确保所有内容在canvas之上 */
body > .container {
    position: relative;
    z-index: 1;
}

/* 确保导航栏在顶层 */
.navbar {
    z-index: 1000;
}

/* 液态玻璃效果 - 独立样式 */
.glass-effect {
    position: relative;
    background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(250, 250, 250, 0.08) 50%,
    rgba(245, 245, 245, 0.05) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.1),
            0 2px 16px rgba(0, 0, 0, 0.06),
            inset 0 1px 0 rgba(255, 255, 255, 0.3),
            inset 0 0 20px rgba(255, 255, 255, 0.05),
            inset 2px 2px 10px rgba(255, 255, 255, 0.15),
            inset -2px -2px 10px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.glass-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 0 0,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0.2) 40%,
    transparent 70%);
    border-radius: 20px 0 0 0;
    z-index: 1;
    transition: all 0.3s ease;
}

.glass-effect::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 100% 100%,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 80%);
    border-radius: 0 0 20px 0;
    z-index: 1;
    transition: all 0.3s ease;
}

.glass-effect:hover {
    transform: translateY(-8px);
    box-shadow:
            0 12px 40px rgba(0, 0, 0, 0.12),
            0 4px 20px rgba(0, 0, 0, 0.08),
            inset 0 1px 0 rgba(255, 255, 255, 0.5),
            inset 0 0 40px rgba(248, 250, 252, 0.15),
            inset 3px 3px 15px rgba(255, 255, 255, 0.25),
            inset -3px -3px 15px rgba(255, 255, 255, 0.2);
    border-color: rgba(226, 232, 240, 0.4);
}

/* 添加光影滑动效果 */
.glass-effect:hover::before {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle at 0 0,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.3) 40%,
    transparent 70%);
    animation: shimmer 2s infinite;
}

.glass-effect:hover::after {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 100% 100%,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 80%);
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(20px) translateY(20px);
        opacity: 0;
    }
}

/* 确保子元素在玻璃效果之上 */
.glass-effect > * {
    position: relative;
    z-index: 3;
}

/* 针对stat-item的特殊调整 */
.glass-effect.stat-item {
    background: linear-gradient(135deg,
    rgba(248, 250, 252, 0.15) 0%,
    rgba(241, 245, 249, 0.1) 50%,
    rgba(248, 250, 252, 0.05) 100%);
    border: 1px solid rgba(226, 232, 240, 0.3);
    box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.08),
            0 2px 16px rgba(0, 0, 0, 0.04),
            inset 0 1px 0 rgba(255, 255, 255, 0.4),
            inset 0 0 30px rgba(248, 250, 252, 0.1),
            inset 2px 2px 12px rgba(255, 255, 255, 0.2),
            inset -2px -2px 12px rgba(255, 255, 255, 0.15);
}