:root {
    --page-bg: #f4f7fb;
    --card-bg: #ffffff;
    --main: #1f6feb;
    --main-soft: #e8f1ff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #dbe3ef;
}

body {
    min-height: 100vh;
    background: linear-gradient(180deg, #eef5ff 0%, var(--page-bg) 45%, #ffffff 100%);
    color: var(--text);
    font-family: Arial, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

.page-shell {
    width: min(1180px, calc(100% - 24px));
    margin: 0 auto;
    padding: 24px 0 32px;
}

.hero-card,
.panel-card,
.footer-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 18px;
}

.hero-card {
    padding: 24px;
}

.hero-card h1 {
    font-size: clamp(1.55rem, 4vw, 2.35rem);
    font-weight: 800;
    margin: 8px 0;
}

.hero-card p {
    color: var(--muted);
    margin-bottom: 0;
}

.eyebrow {
    color: var(--main);
    font-weight: 700;
    letter-spacing: .04em;
}

.language-box {
    min-width: 180px;
}

.panel-card .card-header {
    background: var(--main-soft);
    color: #12396d;
    font-weight: 800;
    border-bottom: 1px solid var(--border);
    border-radius: 18px 18px 0 0;
    padding: 14px 16px;
}

.form-label {
    font-weight: 700;
}

.required::after {
    content: " *";
    color: #dc3545;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.result-item {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    min-height: 104px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-item span {
    color: var(--muted);
    font-weight: 700;
    font-size: .92rem;
}

.result-item strong {
    font-size: clamp(1.25rem, 3vw, 1.85rem);
    word-break: break-all;
}

.result-item.primary {
    background: #edf7ee;
    border-color: #bce3c2;
}

.result-table th {
    white-space: nowrap;
    color: #344054;
    background: #fbfdff;
}

.result-table td {
    vertical-align: middle;
}

.mono {
    font-family: Consolas, Monaco, monospace;
}

.footer-card {
    padding: 16px 18px;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 991.98px) {
    .result-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .page-shell {
        width: min(100% - 14px, 1180px);
        padding-top: 10px;
    }

    .hero-card,
    .panel-card,
    .footer-card {
        border-radius: 14px;
    }

    .hero-card {
        padding: 18px;
    }

    .panel-card .card-header {
        border-radius: 14px 14px 0 0;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }

    .result-item {
        min-height: 86px;
        padding: 14px;
    }

    .table-responsive {
        font-size: .9rem;
    }
}