:root {
    --bg: #f6f3ee;
    --panel: #ffffff;
    --ink: #18222d;
    --muted: #5f6d79;
    --line: #dde4ea;
    --brand: #8b1e2d;
    --brand-dark: #601320;
    --accent: #f6e7c9;
    --shadow: 0 18px 40px rgba(24, 34, 45, 0.08);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(139, 30, 45, 0.08), transparent 30%),
        linear-gradient(180deg, #fbfaf7 0%, var(--bg) 100%);
    color: var(--ink);
    line-height: 1.8;
}

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

a:hover {
    color: var(--brand-dark);
}

.topbar {
    background: rgba(24, 34, 45, 0.96);
    color: #fff;
    padding: 14px 22px;
}

.topbar-inner,
.page,
.footer-inner {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar-inner {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.brand {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.topnav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.topnav a {
    color: rgba(255, 255, 255, 0.86);
    font-size: 14px;
}

.page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    padding: 32px 0 56px;
}

.content,
.sidebar-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.content {
    padding: 32px;
}

.sidebar-card {
    padding: 24px;
    position: sticky;
    top: 24px;
    align-self: start;
}

.breadcrumb {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 14px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--accent);
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 700;
}

h1,
h2,
h3 {
    line-height: 1.35;
    margin: 0 0 14px;
}

h1 {
    font-size: clamp(31px, 4vw, 46px);
    margin-top: 18px;
}

h2 {
    font-size: 28px;
    margin-top: 42px;
}

h3 {
    font-size: 21px;
    margin-top: 24px;
}

.lead {
    font-size: 18px;
    color: var(--muted);
    margin: 0 0 24px;
}

.hero-note,
.checklist,
.faq-item,
.cta,
.related-link {
    border: 1px solid var(--line);
    border-radius: 20px;
}

.hero-note {
    background: linear-gradient(135deg, rgba(139, 30, 45, 0.08), rgba(246, 231, 201, 0.5));
    padding: 20px;
    margin: 24px 0 30px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 24px 0 32px;
}

.stat {
    background: #faf8f4;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--line);
}

.stat strong {
    display: block;
    font-size: 15px;
    color: var(--brand-dark);
    margin-bottom: 6px;
}

.checklist {
    background: #fcfbf8;
    padding: 20px 22px;
    margin: 26px 0;
}

.checklist ul,
.sidebar-card ul {
    margin: 12px 0 0;
    padding-left: 20px;
}

.faq {
    margin-top: 38px;
}

.faq-item {
    padding: 18px 20px;
    margin-top: 14px;
    background: #fffdfa;
}

.faq-item p:last-child {
    margin-bottom: 0;
}

.cta {
    margin-top: 36px;
    padding: 24px;
    background: linear-gradient(135deg, #13212c, #24394a);
    color: #fff;
}

.cta p,
.sidebar-card p {
    margin: 0 0 14px;
}

.button-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    font-weight: 700;
}

.button-primary {
    background: var(--brand);
    color: #fff;
}

.button-secondary {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.sidebar-title {
    font-size: 18px;
    margin-bottom: 14px;
}

.related-link {
    display: block;
    padding: 16px;
    margin-top: 12px;
    background: #fffdfa;
}

.related-link strong {
    display: block;
    color: var(--ink);
    margin-bottom: 6px;
}

.footer {
    border-top: 1px solid var(--line);
    padding: 22px 0 32px;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 980px) {
    .page {
        grid-template-columns: 1fr;
    }

    .sidebar-card {
        position: static;
    }
}

@media (max-width: 720px) {
    .content,
    .sidebar-card {
        padding: 22px;
    }

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

    h1 {
        font-size: 30px;
    }
}