:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --ink: #172033;
    --muted: #5f6f86;
    --line: #dbe4ef;
    --soft: #f6f9fc;
    --white: #fff;
    --warn: #b45309;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.7;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,.96);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    max-width: 1080px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
}

.hero {
    background: linear-gradient(160deg, #0f172a, #1e3a8a 58%, #2563eb);
    color: white;
    padding: 82px 20px 70px;
}

.hero-inner, .main, .footer-inner {
    max-width: 960px;
    margin: 0 auto;
}

.eyebrow {
    display: inline-block;
    color: #bfdbfe;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

h1 {
    font-size: clamp(34px, 6vw, 56px);
    line-height: 1.12;
    margin: 0 0 22px;
}

.hero p {
    max-width: 760px;
    color: rgba(255,255,255,.82);
    font-size: 18px;
    margin: 0;
}

.main {
    padding: 48px 20px 70px;
}

h2 {
    font-size: 28px;
    line-height: 1.25;
    margin: 44px 0 16px;
}

h3 {
    font-size: 20px;
    margin: 28px 0 10px;
}

p, li { font-size: 16px; }

.lead {
    font-size: 18px;
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.card, .notice {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
    background: var(--white);
}

.card h3:first-child { margin-top: 0; }

.notice {
    background: #fffbeb;
    border-color: #fcd34d;
}

.notice strong { color: var(--warn); }

.table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    font-size: 15px;
}

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

.table th { background: var(--soft); }

.cta {
    margin-top: 38px;
    padding: 28px;
    border-radius: 12px;
    background: var(--soft);
    border: 1px solid var(--line);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 18px;
    border-radius: 8px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    margin-right: 10px;
    margin-top: 10px;
}

.button:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

.muted { color: var(--muted); }

footer {
    border-top: 1px solid var(--line);
    background: var(--soft);
}

.footer-inner {
    padding: 28px 20px;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 760px) {
    .nav { align-items: flex-start; flex-direction: column; }
    .links { gap: 10px; }
    .grid { grid-template-columns: 1fr; }
}