:root {
    --teal: #38bc88;
    --text: #2c2c2e;
    --text-secondary: #5c5c66;
    --bg: #ffffff;
    --card: #f7f8fa;
    --border: #e5e5ea;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
    background: #f8f7f4;
    color: #333;
    padding: 2rem 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 16px;
    padding: 4rem 3.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: #222;
}

.meta,
.updated {
    font-size: 0.8rem;
    color: #bbb;
    margin-bottom: 2.5rem;
    text-align: left;
}

h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 2rem 0 0.8rem;
    color: #222;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid #f0f0f0;
}

h3 {
    font-size: 1rem;
    font-weight: 500;
    margin: 1.2rem 0 0.5rem;
    color: #444;
}

p {
    font-size: 0.9rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 0.6rem;
}

ul,
ol {
    padding-left: 1.2rem;
    margin: 0.5rem 0 1rem;
}

ul li,
ol li {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 0.2rem;
}

strong {
    color: #333;
}

.summary-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--teal);
    border-radius: 10px;
    padding: 16px 18px;
    margin: 12px 0;
}

.summary-card p {
    margin: 4px 0;
    font-size: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}

th,
td {
    border: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--card);
    font-weight: 600;
    white-space: nowrap;
}

.contact-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin: 12px 0;
}

.contact-card p {
    margin: 4px 0;
}

footer {
    margin-top: 40px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
}

footer p {
    margin: 4px 0;
    text-align: center;
}

a {
    color: var(--teal);
    text-decoration: none;
}

@media (max-width: 600px) {
    .container {
        padding: 2rem 1.5rem;
    }

    h1 {
        font-size: 1.4rem;
    }
}