/* ส่วนที่ใช้ร่วมกันของหน้าแรกและหน้าติดต่อ */
:root {
    --primary-gradient: linear-gradient(135deg, #002d62 0%, #1e3c72 50%, #2a5298 100%);
    --text-color: #1e293b;
    --muted-color: #64748b;
}

/* ส่วนหัว */
.portal-hero {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    padding: 40px 32px;
    margin-bottom: 32px;
    color: #fff;
    text-align: center;
    background: var(--primary-gradient);
}
.portal-hero::before, .portal-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}
.portal-hero::before { width: 320px; height: 320px; top: -140px; right: -80px; }
.portal-hero::after  { width: 220px; height: 220px; bottom: -120px; left: -60px; }
.portal-hero > * { position: relative; }
.portal-hero-kicker {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    margin-bottom: 14px;
}
.portal-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.portal-hero p {
    margin: 0 auto;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
}

/* แถบช่วยเหลือ */
.portal-help {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 28px;
    padding: 18px 22px;
    border-radius: 18px;
    background: #f1f5f9;
}
.portal-help-title { font-weight: 600; color: var(--text-color); }
.portal-help-title i { color: #2f80ed; }
.portal-help .btn { border-radius: 10px; }

@media (max-width: 575.98px) {
    .portal-hero { padding: 28px 18px; border-radius: 18px; margin-bottom: 24px; }
    .portal-hero h1 { font-size: 1.45rem; }
    .portal-hero p { font-size: 0.92rem; }
    .portal-help { flex-direction: column; text-align: center; }
}