* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #f5f5f5;
    --card: #fff;
    --text: #333;
    --muted: #666;
    --accent: #667eea;
    --accent-light: #f0f4ff;
    --gold: #ffd43b;
    --radius: 20px;
    --hero: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
}
body {
    font-family: "Noto Sans", system-ui, sans-serif;
    background: var(--bg);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.85;
}
.main-card {
    max-width: 820px;
    margin: 2rem auto;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.10);
    overflow: hidden;
}
.hero {
    background: var(--hero);
    padding: 2.6rem 2rem;
    text-align: center;
}
.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.24);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.hero h1 {
    color: #fff;
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.45;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}
.hero-meta {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.9rem;
}
.content { padding: 2rem; }
.intro {
    font-size: 1.05rem;
    text-align: center;
    padding: 1.4rem;
    background: var(--accent-light);
    border-radius: var(--radius);
    margin-bottom: 2rem;
}
.intl-article-toc {
    margin: 0 0 2rem;
    padding: 1.15rem 1.25rem;
    border: 1px solid #dbe2ea;
    border-radius: 14px;
    background: #f8fafc;
}
.intl-article-toc h2 {
    margin: 0 0 0.7rem;
    border: 0;
    color: #111827;
    font-size: 1rem;
}
.intl-article-toc ol {
    padding-left: 0;
    margin: 0;
    list-style: none;
}
.intl-article-toc li {
    margin: 0.35rem 0;
}
.intl-article-toc a {
    display: inline;
    min-height: 0;
    line-height: 1.55;
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
}
.section { margin-bottom: 2.3rem; }
.section h2 {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--accent-light);
}
.section p { margin-bottom: 1rem; }
.section ul { padding-left: 1.4rem; margin-bottom: 1rem; }
.section li { margin-bottom: 0.4rem; }
.cta-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    color: #fff;
    margin: 2rem 0;
}
.cta-box h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.cta-box p { opacity: 0.92; margin-bottom: 1.4rem; }
.cta-btn {
    display: inline-block;
    background: var(--gold);
    color: #333;
    padding: 1rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
}
.official-source-note {
    margin: 2rem 0;
    padding: 1.3rem 1.5rem;
    background: #f8fbff;
    border: 1px solid #d8e5ff;
    border-radius: 16px;
}
.official-source-note h2 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.official-source-note p { color: var(--muted); margin-bottom: 0.8rem; }
.author-box {
    margin: 0 2rem 1.5rem;
    padding: 1.3rem 1.5rem;
    background: #f8f9fa;
    border-radius: 16px;
    color: var(--muted);
}
.author-box-label { font-size: 0.82rem; font-weight: 700; color: var(--accent); }
.author-box-name { color: var(--text); font-weight: 700; margin: 0.25rem 0; }
.article-footer {
    padding: 1.5rem 2rem;
    background: #f8f9fa;
    border-top: 1px solid #eee;
    font-size: 0.88rem;
    color: var(--muted);
}
.article-footer a,
.author-box a,
.official-source-note a,
.related-links-section a { color: var(--accent); text-decoration: none; }
.small { font-size: 0.85rem; color: var(--muted); }
.comparison-table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
}
.table-wrap {
    overflow-x: auto;
    margin: 1.2rem 0;
    border: 1px solid #dbe2ea;
    border-radius: 14px;
}
.comparison-table th,
.comparison-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}
.comparison-table th {
    background: #eef2ff;
    color: #312e81;
}
.comparison-table tr:last-child td { border-bottom: 0; }
.decision-box {
    margin: 1rem 0;
    padding: 1.25rem 1.4rem;
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    background: #f8fafc;
}
.decision-box strong { color: #4338ca; }
.number-note { font-size: 0.9rem; color: #5b6472; }
@media (max-width: 600px) {
    .main-card { margin: 1rem; border-radius: 16px; }
    .hero { padding: 2rem 1.4rem; }
    .hero h1 { font-size: 1.35rem; }
    .content { padding: 1.5rem; }
    .author-box { margin: 0 1.5rem 1.5rem; }
}