/* SUB-PAGE CARDS */
.sub-pages {
  max-width: 960px; margin: 28px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.sub-page-card {
  display: flex; align-items: center; gap: 14px;
  background: white; border: 2px solid var(--border);
  border-radius: 14px; padding: 16px 20px;
  color: var(--text); text-decoration: none !important;
  transition: all 0.2s;
}
.sub-page-card:hover { border-color: var(--pink-light); box-shadow: var(--shadow); }
.sub-page-icon { font-size: 24px; flex-shrink: 0; }
.sub-page-info strong { display: block; font-size: 14px; font-weight: 800; margin-bottom: 2px; }
.sub-page-info span { font-size: 12px; color: var(--text-light); }
.sub-page-arrow { margin-left: auto; color: var(--pink); font-size: 18px; font-weight: 700; flex-shrink: 0; }
@media (max-width: 560px) { .sub-pages { grid-template-columns: 1fr; } }

/* HERO */
.support-hero {
  background: linear-gradient(135deg, var(--pink-pale) 0%, var(--blue-light) 100%);
  padding: 60px 24px 52px; text-align: center;
  border-bottom: 2px solid var(--pink-light);
}
.support-hero h1 { font-size: clamp(28px, 5vw, 42px); font-weight: 900; margin-bottom: 10px; }
.support-hero p { color: var(--text-mid); font-size: 15px; max-width: 560px; margin: 0 auto; text-wrap: balance; }

/* TOC */
.toc {
  max-width: 960px; margin: 36px auto 0; padding: 0 24px;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.toc a {
  background: white; border: 2px solid var(--border);
  color: var(--text-mid); font-size: 13px; font-weight: 700;
  padding: 8px 18px; border-radius: 20px; transition: all 0.2s;
}
.toc a:hover {
  border-color: var(--pink); color: var(--pink);
  background: var(--pink-pale); text-decoration: none;
}

/* LAYOUT */
.support-body { max-width: 960px; margin: 52px auto 80px; padding: 0 24px; }
.support-section { margin-bottom: 60px; }
.support-section:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  background: var(--pink-light); color: var(--pink);
  font-size: 11px; font-weight: 800;
  padding: 3px 12px; border-radius: 8px;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px;
}
.section-label.blue   { background: var(--blue-light); color: var(--blue); }
.section-label.yellow { background: #FFF6D6; color: #9A7800; }
.section-label.green  { background: #E4F7EE; color: #1E7A4A; }

.support-section > h2 {
  font-size: clamp(20px, 3.5vw, 28px); font-weight: 900;
  margin-bottom: 24px; color: var(--text);
}

/* STEPS */
.steps { display: flex; flex-direction: column; gap: 16px; }
.step-card {
  display: flex; gap: 20px;
  background: white; border: 2px solid var(--border);
  border-radius: 16px; padding: 22px 24px; transition: all 0.2s;
}
.step-card:hover { border-color: var(--pink-light); box-shadow: var(--shadow); }
.step-num {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--pink-2));
  color: white; font-size: 15px; font-weight: 900;
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.step-content h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.step-content p  { font-size: 13px; color: var(--text-mid); margin: 0; }

/* FORMAT TABLE */
.format-table {
  width: 100%; border-collapse: collapse;
  background: white; border-radius: var(--radius); overflow: hidden;
  border: 2px solid var(--border);
}
.format-table th {
  background: var(--pink-pale); color: var(--text);
  font-size: 13px; font-weight: 800;
  padding: 12px 16px; text-align: left; border-bottom: 2px solid var(--border);
}
.format-table td {
  padding: 11px 16px; font-size: 13px; color: var(--text-mid);
  border-bottom: 1px solid var(--border);
}
.format-table tr:last-child td { border-bottom: none; }
.format-table tr:hover td { background: var(--pink-pale); }
.badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 6px; margin-right: 4px;
  white-space: nowrap;
}
.badge-ok   { background: #E4F7EE; color: #1E7A4A; }
.badge-no   { background: #FFE8E8; color: #C23030; }
.badge-part { background: #FFF6D6; color: #9A7800; }
.badge-rec  { background: #FDE8F5; color: #B0328A; }
.format-note { font-size: 12px; color: var(--text-light); margin-top: 12px; line-height: 1.7; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
details.faq {
  background: white; border: 2px solid var(--border);
  border-radius: 14px; overflow: hidden; transition: border-color 0.2s;
}
details.faq[open] { border-color: var(--pink-light); }
details.faq summary {
  padding: 16px 20px; cursor: pointer;
  font-size: 15px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
  list-style: none; gap: 12px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: '+'; font-size: 20px; font-weight: 700;
  color: var(--pink); flex-shrink: 0; transition: transform 0.2s;
}
details.faq[open] summary::after { transform: rotate(45deg); }
.faq-body { padding: 0 20px 18px; font-size: 14px; color: var(--text-mid); line-height: 1.75; }

/* TROUBLESHOOT */
.trouble-list { display: flex; flex-direction: column; gap: 16px; }
.trouble-card {
  background: white; border: 2px solid var(--border);
  border-radius: 14px; padding: 20px 22px;
}
.trouble-q { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.trouble-q::before { content: 'Q. '; color: var(--pink); }
.trouble-a { font-size: 13px; color: var(--text-mid); line-height: 1.75; }
.trouble-a::before { content: 'A. '; font-weight: 700; color: var(--blue); }

/* CONTACT */
.contact-card {
  background: linear-gradient(135deg, var(--pink-pale), var(--blue-light));
  border: 2px solid var(--pink-light); border-radius: var(--radius);
  padding: 36px 32px; text-align: center;
}
.contact-card h3 { font-size: 20px; font-weight: 900; margin-bottom: 8px; }
.contact-card p  { color: var(--text-mid); margin-bottom: 20px; font-size: 14px; }
.btn-contact {
  background: linear-gradient(135deg, var(--pink), var(--pink-2));
  color: white; padding: 12px 32px; border-radius: 30px;
  font-size: 15px; font-weight: 800;
  box-shadow: 0 4px 16px rgba(255,107,157,0.35);
  transition: all 0.2s; display: inline-block;
}
.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,157,0.45);
  text-decoration: none;
}

@media (max-width: 640px) {
  /* Support hero */
  .support-hero { padding: 36px 16px 28px; }
  .support-hero h1 { font-size: 24px; }

  /* Sub-pages */
  .sub-pages { padding: 0 16px; margin-top: 20px; grid-template-columns: 1fr; }

  /* TOC */
  .toc { padding: 12px 16px; gap: 6px; }
  .toc a { font-size: 12px; padding: 5px 12px; }

  /* Body */
  .support-body { padding: 0 16px; margin-top: 36px; margin-bottom: 56px; }
  .support-section { margin-bottom: 48px; }
  .support-section h2 { font-size: 20px; }

  /* Steps */
  .step-card { flex-direction: column; gap: 12px; }
  .step-content h3 { font-size: 15px; }

  /* Format table */
  .format-table { font-size: 12px; }
  .format-table th { padding: 10px 12px; }
  .format-table td { padding: 8px 12px; }

  /* FAQ */
  details.faq summary { font-size: 13px; padding: 13px 16px; }
  .faq-body { padding: 0 16px 13px; font-size: 12px; }

  /* Trouble */
  .trouble-card { padding: 14px 16px; }
  .trouble-q { font-size: 13px; }
  .trouble-a { font-size: 12px; }

  /* Contact */
  .contact-card { padding: 24px 18px; }
  .contact-card h3 { font-size: 17px; }
  .contact-card p { font-size: 13px; }
}