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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: #0a0e27;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 100%;
    margin: 0 auto;
}

/* 导航栏 */
.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: white;
    letter-spacing: 1px;
}

.btn-download-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-download-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

/* 英雄区 */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    z-index: 2;
}

.badge-trust {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-icon {
    font-size: 18px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.highlight {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 40px;
}

/* 下载按钮 */
.download-section {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #333;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

/* 信任指标 */
.trust-indicators {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

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

.trust-item strong {
    font-size: 28px;
    color: white;
    font-weight: 700;
}

.trust-item span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 手机展示 */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 650px;
}

/* 背景装饰圆圈 */
.hero-bg-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(
        circle, 
        rgba(102, 126, 234, 0.2) 0%, 
        rgba(118, 75, 162, 0.12) 40%,
        transparent 70%
    );
    animation: pulse-slow 8s ease-in-out infinite;
    filter: blur(40px);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 0s;
}

.circle-2 {
    width: 300px;
    height: 300px;
    top: 30%;
    left: 40%;
    transform: translate(-50%, -50%);
    animation-delay: 2s;
}

.circle-3 {
    width: 250px;
    height: 250px;
    top: 70%;
    left: 60%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes pulse-slow {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.6;
    }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.float-coin {
    position: absolute;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
}

.float-coin:hover {
    animation-play-state: paused;
    transform: scale(1.1) !important;
}

.coin-1 {
    top: 8%;
    left: 8%;
    animation-delay: 0s;
}

.coin-2 {
    bottom: 15%;
    left: 0%;
    animation-delay: 2s;
}

.coin-3 {
    top: 25%;
    right: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(3deg);
    }
    50% { 
        transform: translateY(-25px) rotate(-3deg);
    }
    75% {
        transform: translateY(-15px) rotate(2deg);
    }
}

/* 手机图片展示容器 */
.phone-showcase-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-image-container {
    position: relative;
    animation: phone-hover 4s ease-in-out infinite;
    transform: rotate(-8deg);
    transform-origin: center;
}

@keyframes phone-hover {
    0%, 100% {
        transform: translateY(0px) rotate(-8deg);
    }
    50% {
        transform: translateY(-15px) rotate(-6deg);
    }
}

.hero-phone-img {
    max-width: 360px;
    width: 100%;
    height: auto;
    opacity: 0.85;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.3)) blur(0.5px);
    border-radius: 35px;
    transition: all 0.4s ease;
    backdrop-filter: blur(2px);
}

.hero-phone-img:hover {
    opacity: 0.95;
    transform: scale(1.03) rotate(2deg);
    filter: drop-shadow(0 35px 70px rgba(102, 126, 234, 0.4)) blur(0px);
}

/* 装饰光效 */
.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-8deg);
    width: 120%;
    height: 120%;
    background: radial-gradient(
        ellipse at center, 
        rgba(102, 126, 234, 0.4) 0%, 
        rgba(118, 75, 162, 0.25) 30%,
        transparent 60%
    );
    border-radius: 50%;
    z-index: -1;
    animation: glow-pulse 4s ease-in-out infinite;
    pointer-events: none;
    filter: blur(30px);
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) rotate(-8deg) scale(0.95);
    }
    50% {
        opacity: 0.85;
        transform: translate(-50%, -50%) rotate(-8deg) scale(1.15);
    }
}

/* 10年0事故 */
.zero-accident {
    background: white;
    padding: 80px 30px;
    text-align: center;
}

.section-header {
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title-big {
    font-size: 48px;
    font-weight: 800;
    color: #333;
    margin-bottom: 15px;
}

.title-number {
    color: #667eea;
}

.title-highlight {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 72px;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.7;
}

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

.proof-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.timeline-item {
    text-align: center;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.timeline-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: scale(1.05);
}

.timeline-year {
    font-size: 32px;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 12px;
}

.timeline-item.active .timeline-year {
    color: #FFD700;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 6px;
    color: #333;
}

.timeline-item.active .timeline-content h4 {
    color: white;
}

.timeline-content p {
    font-size: 14px;
    color: #666;
}

.timeline-item.active .timeline-content p {
    color: rgba(255, 255, 255, 0.9);
}

.security-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.metric-box {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.metric-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.metric-value {
    font-size: 40px;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 15px;
    color: #666;
}

/* 核心功能 */
.core-features {
    background: #0a0e27;
    padding: 80px 30px;
}

.feature-hero {
    max-width: 1200px;
    margin: 0 auto 100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-hero:last-child {
    margin-bottom: 0;
}

.feature-tag {
    display: inline-block;
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.feature-hero h2 {
    font-size: 42px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.feature-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 30px;
}

.feature-points {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.point-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

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

.stat-num {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: 5px;
}

.stat-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.btn-feature-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-feature-cta:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

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

.encryption-demo, .transfer-demo, .network-demo {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lock-animation {
    display: flex;
    justify-content: center;
}

.transfer-animation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.transfer-from, .transfer-to {
    text-align: center;
}

.wallet-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.wallet-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.transfer-path {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.lightning-bolt {
    font-size: 36px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.transfer-speed {
    font-size: 13px;
    color: #FFD700;
    font-weight: 600;
}

.chain-showcase {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.chain-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    padding: 10px 16px;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.chain-logo {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
}

.chain-more {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
}

/* 用户评价 */
.testimonials {
    background: white;
    padding: 80px 30px;
    text-align: center;
}

.testimonial-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: #f8f9fa;
    padding: 35px 30px;
    border-radius: 20px;
    text-align: left;
    position: relative;
    transition: all 0.3s ease;
}

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

.testimonial-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 215, 0, 0.9);
    color: #333;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.rating {
    color: #FFD700;
    font-size: 18px;
    margin-bottom: 15px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 25px;
}

.testimonial-card.featured .testimonial-text {
    color: white;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.testimonial-card.featured .author-avatar {
    background: white;
    color: #667eea;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
}

.testimonial-card.featured .author-name {
    color: white;
}

.author-meta {
    font-size: 13px;
    color: #999;
}

.testimonial-card.featured .author-meta {
    color: rgba(255, 255, 255, 0.8);
}

/* 最终CTA */
.final-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 30px;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    color: white;
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn-cta-primary, .btn-cta-secondary {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 35px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cta-primary {
    background: white;
    color: #333;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-primary:hover, .btn-cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.btn-cta-primary span, .btn-cta-secondary span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
}

.btn-cta-primary strong, .btn-cta-secondary strong {
    font-size: 16px;
    font-weight: 600;
}

.btn-cta-primary small, .btn-cta-secondary small {
    font-size: 12px;
    opacity: 0.7;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-size: 15px;
}

.feature-check {
    width: 22px;
    height: 22px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* 底部 */
.footer {
    background: #0a0e27;
    padding: 60px 30px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 40px;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-column h4 {
    font-size: 16px;
    color: white;
    margin-bottom: 15px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: translateY(-3px);
}

/* 免责声明 */
.disclaimer {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.disclaimer-title {
    font-size: 16px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    text-align: center;
}

.disclaimer-text {
    font-size: 12px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
    text-align: justify;
}

.disclaimer-text:last-child {
    margin-bottom: 0;
}

/* 响应式 */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 40px;
        min-height: auto;
    }

    .hero-title {
        font-size: 38px;
    }

    .feature-hero {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 60px;
    }

    .lightning-transfer .feature-hero-visual {
        order: -1;
    }

    .transfer-animation {
        flex-direction: column;
        gap: 20px;
    }

    .hero-visual {
        min-height: 500px;
    }

    .hero-phone-img {
        max-width: 300px;
        opacity: 0.88;
    }

    .phone-image-container {
        transform: rotate(-6deg);
    }

    @keyframes phone-hover {
        0%, 100% {
            transform: translateY(0px) rotate(-6deg);
        }
        50% {
            transform: translateY(-12px) rotate(-5deg);
        }
    }

    .float-coin {
        transform: scale(0.9);
    }

    .bg-circle.circle-1 {
        width: 350px;
        height: 350px;
    }

    .bg-circle.circle-2 {
        width: 250px;
        height: 250px;
    }

    .bg-circle.circle-3 {
        width: 200px;
        height: 200px;
    }

    .section-title-big {
        font-size: 36px;
    }

    .title-highlight {
        font-size: 54px;
    }

    .cta-title {
        font-size: 32px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .disclaimer {
        padding: 25px 20px;
        margin: 30px auto 0;
    }

    .disclaimer-title {
        font-size: 15px;
    }

    .disclaimer-text {
        font-size: 11px;
        line-height: 1.7;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-visual {
        min-height: 400px;
    }

    .hero-phone-img {
        max-width: 240px;
        opacity: 0.9;
    }

    .phone-image-container {
        transform: rotate(-5deg);
    }

    @keyframes phone-hover {
        0%, 100% {
            transform: translateY(0px) rotate(-5deg);
        }
        50% {
            transform: translateY(-10px) rotate(-4deg);
        }
    }

    .float-coin {
        transform: scale(0.7);
    }

    .coin-1 svg {
        width: 50px;
        height: 50px;
    }

    .coin-2 svg {
        width: 40px;
        height: 40px;
    }

    .coin-3 svg {
        width: 45px;
        height: 45px;
    }

    .bg-circle.circle-1 {
        width: 250px;
        height: 250px;
    }

    .bg-circle.circle-2 {
        width: 180px;
        height: 180px;
    }

    .bg-circle.circle-3 {
        width: 150px;
        height: 150px;
    }

    .download-section {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .trust-indicators {
        gap: 20px;
    }

    .proof-timeline {
        grid-template-columns: 1fr;
    }

    .feature-stats {
        grid-template-columns: 1fr;
    }

    .chain-showcase {
        gap: 10px;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn-cta-primary, .btn-cta-secondary {
        width: 100%;
    }

    .cta-features {
        flex-direction: column;
        gap: 15px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .disclaimer {
        padding: 20px 15px;
        margin: 20px 15px 0;
    }

    .disclaimer-title {
        font-size: 14px;
    }

    .disclaimer-text {
        font-size: 10px;
        line-height: 1.6;
        text-align: left;
    }
}

/* ========== 模态框样式 ========== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 24px;
    padding: 45px 40px 35px;
    max-width: 460px;
    width: 90%;
    text-align: center;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    transform: scale(0.9) translateY(-20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
    color: #333;
}

.modal-icon {
    margin: 0 auto 25px;
    animation: modal-icon-appear 0.6s ease-out 0.2s backwards;
}

@keyframes modal-icon-appear {
    from {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.modal-icon svg {
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}

.modal-title {
    font-size: 26px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    animation: slide-up 0.5s ease-out 0.3s backwards;
}

.modal-text {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 30px;
    animation: slide-up 0.5s ease-out 0.4s backwards;
}

@keyframes slide-up {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    animation: slide-up 0.5s ease-out 0.5s backwards;
}

.btn-cancel,
.btn-confirm {
    flex: 1;
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background: #f1f3f5;
    color: #666;
}

.btn-cancel:hover {
    background: #e9ecef;
    color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-confirm {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-confirm:active,
.btn-cancel:active {
    transform: translateY(0);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 13px;
    color: #999;
    animation: fade-in 0.5s ease-out 0.6s backwards;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-footer svg {
    flex-shrink: 0;
}

/* 模态框响应式 */
@media (max-width: 640px) {
    .modal-content {
        padding: 40px 28px 30px;
        max-width: 340px;
        border-radius: 20px;
    }

    .modal-title {
        font-size: 22px;
    }

    .modal-text {
        font-size: 15px;
    }

    .modal-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .btn-cancel,
    .btn-confirm {
        width: 100%;
    }

    .modal-footer {
        font-size: 12px;
        flex-direction: column;
        gap: 6px;
    }
}