/* ── reset ── */
.rs-page { font-family: "Noto Sans TC", sans-serif; color: #1a1a2e; line-height: 1.7; background: #fff; }
.rs-page *, .rs-page *::before, .rs-page *::after { box-sizing: border-box; }

/* ── hero ── */
.rs-hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #1a3a4a 50%, #0a2a2a 100%);
  color: #fff;
  padding: 76px 24px 68px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.rs-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(0,168,150,.18) 0%, transparent 70%);
  pointer-events: none;
}
.rs-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin: 0 0 14px;
  line-height: 1.25;
}
.rs-hero h1 em { font-style: normal; color: #00a896; }
.rs-hero-sub {
  font-size: clamp(.9rem, 2vw, 1.05rem);
  color: rgba(255,255,255,.68);
  max-width: 560px;
  margin: 0 auto;
}

/* ── layout ── */
.rs-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ── accordion sections ── */
.rs-accordion {
  border: 1px solid #e4edec;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
}
.rs-accordion[open] {
  box-shadow: 0 4px 16px rgba(0,168,150,.08);
}
.rs-accordion + .rs-accordion { margin-top: 0; }

.rs-accordion > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background .15s;
}
.rs-accordion > summary::-webkit-details-marker { display: none; }
.rs-accordion > summary:hover { background: #f5faf9; }

.rs-accordion-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: #00a896;
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.rs-accordion-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0d1b2a;
  flex: 1;
}
.rs-accordion-count {
  font-size: .75rem;
  color: #5e6e6e;
  background: #f0f5f4;
  padding: 2px 10px;
  border-radius: 100px;
  flex-shrink: 0;
}
.rs-accordion-chevron {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform .2s;
  color: #b0bfbc;
}
.rs-accordion[open] .rs-accordion-chevron { transform: rotate(180deg); }

.rs-accordion-body {
  padding: 0 20px 20px;
  border-top: 1px solid #f0f3f2;
}

/* ── section desc ── */
.rs-section-desc {
  font-size: .88rem;
  color: #5e6e6e;
  margin: 14px 0 16px;
  line-height: 1.55;
}

/* ── sub-group ── */
.rs-group { margin-bottom: 18px; }
.rs-group:last-child { margin-bottom: 0; }
.rs-group-label {
  font-size: .82rem;
  font-weight: 700;
  color: #0f766e;
  margin: 0 0 8px;
  letter-spacing: .02em;
  padding-left: 2px;
}

/* ── link cards ── */
.rs-links { display: flex; flex-direction: column; gap: 8px; }
.rs-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #fafcfb;
  border: 1px solid #e8eeec;
  border-left: 4px solid #00a896;
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .18s, transform .18s;
}
a.rs-link:hover, div.rs-link:hover {
  box-shadow: 0 4px 14px rgba(0,168,150,.1);
  transform: translateY(-1px);
}
.rs-link-icon {
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 3px;
}
.rs-link-body { flex: 1; min-width: 0; }
.rs-link-title {
  font-size: .9rem;
  font-weight: 600;
  color: #00a896;
  margin: 0 0 2px;
}
.rs-link-title a { color: inherit; text-decoration: none; }
.rs-link-title a:hover { text-decoration: underline; }
.rs-link-note {
  font-size: .8rem;
  color: #5e6e6e;
  margin: 0;
  line-height: 1.5;
}
.rs-link-note a { color: #00a896; text-decoration: none; }
.rs-link-note a:hover { text-decoration: underline; }
.rs-link-arrow {
  font-size: .78rem;
  color: #b0bfbc;
  flex-shrink: 0;
  align-self: center;
}

/* ── CTA ── */
.rs-cta {
  text-align: center;
  background: #fff;
  padding: 56px 24px;
}
.rs-cta h2 { font-size: 1.3rem; font-weight: 700; color: #0d1b2a; margin: 0 0 8px; }
.rs-cta p  { color: #5e6e6e; margin: 0 0 24px; font-size: .93rem; }
.rs-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #00a896;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 100px;
  text-decoration: none;
  transition: background .2s, transform .2s;
  box-shadow: 0 4px 14px rgba(0,168,150,.3);
}
.rs-cta-btn:hover { background: #008c7c; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,168,150,.35); color: #fff !important; }
.rs-cta-btn svg { width: 20px; height: 20px; fill: #fff; flex-shrink: 0; }