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

body {
    background-color: #303948;
    color: #FFFFFF;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.75;
    font-size: 1.06rem;
    font-weight: 400;
}

.echo-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.echo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 38px 0 72px;
    border-bottom: 1px solid rgba(60, 190, 242, 0.12);
    position: sticky;
    top: 0;
    background-color: #303948;
    z-index: 100;
}

.logo img {
    display: block;
    height: 60px;
    width: auto;
}

.echo-nav {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
    justify-content: center;
}

.echo-nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 1.02rem;
    font-weight: 400;
    letter-spacing: 0.4px;
    transition: color 0.25s ease;
}

.echo-nav a:hover {
    color: #3cbef2;
}

.echo-layer {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 100px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.layer-content {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.layer-title {
    font-size: 3.35rem;
    line-height: 1.12;
    font-weight: 300;
    letter-spacing: -1.4px;
    margin-bottom: 58px;
}

.layer-title span {
    display: block;
    font-size: 1.18rem;
    color: #3cbef2;
    margin-top: 12px;
    letter-spacing: 3.5px;
    font-weight: 400;
}

.visual-frame {
    margin: 48px auto 52px;
    max-width: 840px;
    border: 1px solid rgba(60, 190, 242, 0.22);
    padding: 16px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 4px;
}

.visual-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
}

h2 {
    font-size: 1.95rem;
    margin: 38px 0 22px;
    color: #3cbef2;
    font-weight: 400;
    letter-spacing: -0.3px;
}

.layer-content p {
    margin-bottom: 24px;
    opacity: 0.9;
    text-align: left;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.accent-text {
    color: #3cbef2;
    font-weight: 500;
    font-size: 1.18rem;
    margin-top: 32px;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 38px;
    margin: 58px 0 48px;
}

.wallet-card {
    background-color: rgba(255, 255, 255, 0.04);
    padding: 38px 32px;
    border: 1px solid rgba(60, 190, 242, 0.2);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    border-radius: 4px;
}

.wallet-card:hover {
    border-color: #3cbef2;
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(60, 190, 242, 0.1);
}

.wallet-card img {
    width: 100%;
    height: auto;
    margin-bottom: 26px;
    border-radius: 3px;
}

.wallet-card h3 {
    font-size: 1.6rem;
    margin-bottom: 14px;
    font-weight: 400;
}

.wallet-card p {
    opacity: 0.86;
    margin-bottom: 0;
}

.accent {
    color: #3cbef2;
    font-weight: 500;
}

.mirrors-layer {
    background-color: rgba(0, 0, 0, 0.28);
}

.mirrors-intro {
    font-size: 1.48rem;
    margin-bottom: 48px;
    opacity: 0.94;
}

.mirrors-list {
    display: flex;
    flex-direction: column;
    gap: 22px;
    max-width: 740px;
    margin: 0 auto 65px;
}

.mirror-link {
    display: block;
    background-color: rgba(60, 190, 242, 0.08);
    color: #3cbef2;
    padding: 22px 28px;
    text-decoration: none;
    font-family: ui-monospace, monospace;
    font-size: 1.09rem;
    line-height: 1.45;
    transition: all 0.3s ease;
    border-radius: 4px;
    word-break: break-all;
}

.mirror-link:hover {
    background-color: rgba(60, 190, 242, 0.16);
    color: #ffffff;
}

.disclaimer-box {
    background-color: rgba(255, 255, 255, 0.055);
    padding: 28px 32px;
    border-left: 5px solid #3cbef2;
    text-align: left;
    max-width: 740px;
    margin: 55px auto 0;
    font-size: 1rem;
    border-radius: 3px;
}

.echo-footer {
    padding: 95px 0 75px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.96rem;
    opacity: 0.78;
}

.keywords-footer {
    margin: 18px 0 28px;
    font-size: 1.02rem;
    color: #3cbef2;
    letter-spacing: 0.6px;
}

.disclaimer {
    font-size: 0.87rem;
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 820px) {
    .echo-header {
        flex-direction: column;
        gap: 28px;
        padding: 32px 0 50px;
    }
    
    .echo-nav {
        gap: 22px;
    }
    
    .layer-title {
        font-size: 2.65rem;
    }
    
    .visual-frame {
        padding: 10px;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .layer-content p {
        font-size: 1.04rem;
    }
}

@media (max-width: 480px) {
    .echo-container {
        padding: 0 18px;
    }
    
    .layer-title {
        font-size: 2.35rem;
    }
    
    .echo-nav a {
        font-size: 0.98rem;
    }
}

.echo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 38px 0 72px;
    border-bottom: 1px solid rgba(60, 190, 242, 0.12);
    position: sticky;
    top: 0;
    background-color: #303948;
    z-index: 100;
}

.logo img {
    display: block;
    height: 60px;
    width: auto;
}

.echo-nav {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
    justify-content: center;
}

.echo-nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 1.02rem;
    font-weight: 400;
    letter-spacing: 0.4px;
    transition: color 0.25s ease;
}

.echo-nav a:hover {
    color: #3cbef2;
}

.echo-layer {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 100px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.layer-content {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.layer-title {
    font-size: 3.35rem;
    line-height: 1.12;
    font-weight: 300;
    letter-spacing: -1.4px;
    margin-bottom: 58px;
}

.layer-title span {
    display: block;
    font-size: 1.18rem;
    color: #3cbef2;
    margin-top: 12px;
    letter-spacing: 3.5px;
    font-weight: 400;
}

.visual-frame {
    margin: 48px auto 52px;
    max-width: 840px;
    border: 1px solid rgba(60, 190, 242, 0.22);
    padding: 16px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 4px;
}

.visual-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
}

h2 {
    font-size: 1.95rem;
    margin: 38px 0 22px;
    color: #3cbef2;
    font-weight: 400;
    letter-spacing: -0.3px;
}

.layer-content p {
    margin-bottom: 24px;
    opacity: 0.9;
    text-align: left;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.accent-text {
    color: #3cbef2;
    font-weight: 500;
    font-size: 1.18rem;
    margin-top: 32px;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 38px;
    margin: 58px 0 48px;
}

.wallet-card {
    background-color: rgba(255, 255, 255, 0.04);
    padding: 38px 32px;
    border: 1px solid rgba(60, 190, 242, 0.2);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    border-radius: 4px;
}

.wallet-card:hover {
    border-color: #3cbef2;
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(60, 190, 242, 0.1);
}

.wallet-card img {
    width: 100%;
    height: auto;
    margin-bottom: 26px;
    border-radius: 3px;
}

.wallet-card h3 {
    font-size: 1.6rem;
    margin-bottom: 14px;
    font-weight: 400;
}

.wallet-card p {
    opacity: 0.86;
    margin-bottom: 0;
}

.accent {
    color: #3cbef2;
    font-weight: 500;
}

.mirrors-layer {
    background-color: rgba(0, 0, 0, 0.28);
}

.mirrors-intro {
    font-size: 1.48rem;
    margin-bottom: 48px;
    opacity: 0.94;
}

.mirrors-list {
    display: flex;
    flex-direction: column;
    gap: 22px;
    max-width: 740px;
    margin: 0 auto 65px;
}

.mirror-link {
    display: block;
    background-color: rgba(60, 190, 242, 0.08);
    color: #3cbef2;
    padding: 22px 28px;
    text-decoration: none;
    font-family: ui-monospace, monospace;
    font-size: 1.09rem;
    line-height: 1.45;
    transition: all 0.3s ease;
    border-radius: 4px;
    word-break: break-all;
}

.mirror-link:hover {
    background-color: rgba(60, 190, 242, 0.16);
    color: #ffffff;
}

.disclaimer-box {
    background-color: rgba(255, 255, 255, 0.055);
    padding: 28px 32px;
    border-left: 5px solid #3cbef2;
    text-align: left;
    max-width: 740px;
    margin: 55px auto 0;
    font-size: 1rem;
    border-radius: 3px;
}

.echo-footer {
    padding: 95px 0 75px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.96rem;
    opacity: 0.78;
}

.keywords-footer {
    margin: 18px 0 28px;
    font-size: 1.02rem;
    color: #3cbef2;
    letter-spacing: 0.6px;
}

.disclaimer {
    font-size: 0.87rem;
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 820px) {
    .echo-header {
        flex-direction: column;
        gap: 28px;
        padding: 32px 0 50px;
    }
    
    .echo-nav {
        gap: 22px;
    }
    
    .layer-title {
        font-size: 2.65rem;
    }
    
    .visual-frame {
        padding: 10px;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .layer-content p {
        font-size: 1.04rem;
    }
}

@media (max-width: 480px) {
    .echo-container {
        padding: 0 18px;
    }
    
    .layer-title {
        font-size: 2.35rem;
    }
    
    .echo-nav a {
        font-size: 0.98rem;
    }
}