:root {
    --bg-body: #e6e9e6;
    --bg-container: #f5f7f6;
    --bg-card: #eef1f0;
    --text-main: #4a524e;
    --text-secondary: #8c9691;
    --accent-color: #7b8c85;
    --btn-bg: #63736c;
    --btn-text: #ffffff;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --shadow-color: rgba(99, 115, 108, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-body: #232624;
        --bg-container: #2e3330;
        --bg-card: #3a403d;
        --text-main: #d9dfdb;
        --text-secondary: #93a19a;
        --accent-color: #6a7a73;
        --btn-bg: #8ba198;
        --btn-text: #232624;
        --shadow-color: rgba(0, 0, 0, 0.2);
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 5vh 20px;
    line-height: 1.5;
}

.container {
    background-color: var(--bg-container);
    width: 100%;
    max-width: 600px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px var(--shadow-color);
    padding: 30px;
    overflow: hidden;
}

header {
    text-align: center;
    margin-bottom: 25px;
}

.scan-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

h1 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
}

h1 span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    display: block;
    margin-top: 4px;
}

.notice {
    background-color: var(--bg-card);
    padding: 16px;
    border-radius: var(--border-radius-md);
    margin-bottom: 12px;
    text-align: left;
    font-size: 0.95rem;
}

.notice p {
    margin-bottom: 6px;
}

.notice span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

#dynamic-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 25px 0;
}

.info-card {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: var(--border-radius-md);
    border-left: 5px solid var(--accent-color);
}

.info-card h3 {
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 10px;
}

.info-card h3 span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 8px;
}

.info-card .content-text {
    font-size: 1.2rem;
    font-weight: 500;
    word-break: break-all;
}

.btn {
    display: block;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
    padding: 14px 24px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    width: 100%;
    margin-top: 15px;
    transition: opacity 0.2s ease;
}

.btn:hover, .btn:active {
    opacity: 0.85;
}

.appreciation {
    text-align: center;
    margin: 30px 0;
    font-weight: 500;
    font-size: 1rem;
    color: var(--accent-color);
}

.appreciation span {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    margin-top: 6px;
}

footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--bg-card);
    padding-top: 20px;
    margin-top: 20px;
}

footer p {
    margin-bottom: 8px;
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    .container {
        padding: 20px;
        border-radius: var(--border-radius-md);
    }
    h1 {
        font-size: 1.3rem;
    }
}