.page-faq {
  --faq-line: rgba(138, 141, 143, 0.3);
  --faq-line-soft: rgba(138, 141, 143, 0.14);
  --faq-gold-fade: rgba(242, 183, 5, 0.16);
  --faq-green-fade: rgba(11, 93, 52, 0.06);
  position: relative;
  background-color: var(--mint);
  background-image:
    linear-gradient(to right, var(--faq-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-line-soft) 1px, transparent 1px);
  background-size: 36px 36px;
  padding: 26px 0 70px;
}
.page-faq::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--green) 0 34%, var(--gold) 34% 68%, var(--red) 68% 100%);
}
.page-faq .faq-container { position: relative; }

.page-faq .faq-breadcrumb { margin-bottom: 18px; }
.page-faq .faq-breadcrumb a { color: var(--green); text-decoration: none; font-weight: 600; }
.page-faq .faq-breadcrumb a:hover { color: var(--gold-dark); }

.page-faq .faq-head { position: relative; margin-bottom: 24px; padding-bottom: 22px; border-bottom: 3px solid var(--ink); }
.page-faq .faq-head::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 140px; height: 3px; background: var(--gold); }
.page-faq .faq-head-topline { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.page-faq .faq-head-code { color: var(--green); font-size: 12px; letter-spacing: 0.12em; }
.page-faq .faq-head-rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--gray), transparent); }
.page-faq .faq-head-tag { color: var(--red); border: 1px solid var(--red); background: var(--white); font-size: 11px; letter-spacing: 0.08em; padding: 3px 8px; }
.page-faq .faq-head-title { margin: 0; font-family: var(--font-head); font-size: clamp(42px, 8vw, 70px); line-height: 0.95; letter-spacing: 0.01em; color: var(--ink); }
.page-faq .faq-head-intro { max-width: 760px; margin: 16px 0 0; font-size: 15px; line-height: 1.85; color: rgba(26, 26, 26, 0.78); }

.page-faq .faq-stats { display: grid; grid-template-columns: repeat(2, 1fr); margin-bottom: 24px; border: 1px solid var(--faq-line); background: var(--white); box-shadow: var(--shadow-green); }
.page-faq .faq-stat-cell { display: flex; flex-direction: column; gap: 6px; padding: 16px; border-left: 3px solid var(--green); border-bottom: 1px dashed var(--faq-line); }
.page-faq .faq-stat-cell:nth-child(odd) { border-right: 1px dashed var(--faq-line); }
.page-faq .faq-stat-cell:nth-child(n+3) { border-bottom: 0; }
.page-faq .faq-stat-cell--gold { border-left-color: var(--gold); }
.page-faq .faq-stat-cell--red { border-left-color: var(--red); }
.page-faq .faq-stat-num { font-family: var(--font-head); font-size: 30px; line-height: 1; color: var(--ink); }
.page-faq .faq-stat-label { font-size: 12px; letter-spacing: 0.05em; color: var(--gray); }

.page-faq .faq-toolbar { margin-bottom: 18px; }
.page-faq .faq-filterbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 14px; background: var(--white); border: 1px solid var(--faq-line); }
.page-faq .faq-filterbar .filter-label { margin-right: 4px; font-size: 12px; letter-spacing: 0.1em; color: var(--green); }
.page-faq .faq-filterbar .filter-btn { font-family: var(--font-body); font-size: 13px; line-height: 1; color: var(--ink); background: var(--mint); border: 1px solid var(--faq-line); padding: 7px 13px 7px 16px; text-decoration: none; cursor: pointer; clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%); transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s; }
.page-faq .faq-filterbar .filter-btn:hover { background: var(--green-light); border-color: var(--green-light); color: var(--white); }
.page-faq .faq-filterbar .filter-btn[data-active] { background: var(--gold); border-color: var(--gold-dark); color: var(--ink); transform: translateY(-1px); }

.page-faq .faq-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 26px; align-items: start; }
.page-faq .faq-index { position: relative; top: 0; background: var(--white); border: 1px solid var(--faq-line); box-shadow: var(--shadow-green); }
.page-faq .faq-index-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 14px; background: var(--ink); color: var(--white); }
.page-faq .faq-index-code { font-size: 12px; letter-spacing: 0.12em; color: var(--gold); }
.page-faq .faq-index-suffix { font-size: 12px; color: rgba(255, 255, 255, 0.72); }
.page-faq .faq-index-list { list-style: none; display: grid; gap: 4px; margin: 0; padding: 10px 10px 6px; }
.page-faq .faq-index-link { display: flex; align-items: baseline; gap: 10px; padding: 10px 8px; color: var(--ink); text-decoration: none; border-left: 3px solid transparent; transition: border-color 0.2s, background 0.2s, transform 0.2s; }
.page-faq .faq-index-link:hover { border-left-color: var(--gold); background: var(--faq-green-fade); transform: translateX(4px); }
.page-faq .faq-index-num { min-width: 22px; font-size: 13px; color: var(--green); }
.page-faq .faq-index-name { flex: 1; font-size: 15px; font-weight: 700; line-height: 1.4; }
.page-faq .faq-index-count { font-size: 11px; color: var(--gray); }
.page-faq .faq-index-tip { margin: 0; padding: 12px 14px; border-top: 1px dashed var(--faq-line); background: var(--mint); font-size: 12px; line-height: 1.8; color: var(--gray); }

.page-faq .faq-main { display: grid; gap: 42px; min-width: 0; }
.page-faq [data-filter-item][data-hidden] { display: none; }
.page-faq .faq-section { padding: 20px 18px 22px; background: var(--white); border: 1px solid var(--faq-line); box-shadow: var(--shadow-green); }
.page-faq .faq-section-head { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding-bottom: 12px; margin-bottom: 14px; border-bottom: 2px solid var(--ink); }
.page-faq .faq-section-head::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 90px; height: 2px; background: var(--gold); }
.page-faq .faq-section-kicker { padding: 4px 12px 4px 16px; background: var(--green); color: var(--white); font-size: 12px; letter-spacing: 0.1em; clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%); }
.page-faq .faq-section-title { margin: 0; font-family: var(--font-head); font-size: clamp(24px, 3vw, 32px); line-height: 1.1; color: var(--ink); }
.page-faq .faq-section-meta { font-size: 13px; color: var(--gray); letter-spacing: 0.04em; }
.page-faq .faq-section-intro { margin: 0 0 18px; padding: 12px 14px; background: var(--faq-green-fade); border-left: 4px solid var(--green-light); font-size: 14px; line-height: 1.8; color: rgba(26, 26, 26, 0.82); }

.page-faq .faq-panels { display: grid; gap: 10px; }
.page-faq .faq-item { background: var(--white); border: 1px solid var(--faq-line); transition: border-color 0.25s, box-shadow 0.25s; }
.page-faq .faq-item[open] { border-color: var(--gold); box-shadow: 4px 4px 0 var(--faq-gold-fade); }
.page-faq .faq-item > summary { display: flex; align-items: flex-start; gap: 12px; padding: 15px 14px; cursor: pointer; list-style: none; }
.page-faq .faq-item > summary::-webkit-details-marker { display: none; }
.page-faq .faq-item > summary::marker { content: ""; }
.page-faq .faq-item > summary:hover { background: var(--faq-green-fade); }
.page-faq .faq-item[open] > summary { background: linear-gradient(90deg, var(--faq-gold-fade), transparent 72%); }
.page-faq .faq-q-topline { display: flex; flex: 0 0 auto; flex-direction: column; gap: 4px; min-width: 52px; padding-top: 2px; }
.page-faq .faq-q-num { font-family: var(--font-mono); font-weight: 700; font-size: 14px; letter-spacing: 0.04em; color: var(--green); }
.page-faq .faq-item[open] .faq-q-num { color: var(--gold-dark); }
.page-faq .faq-q-cat { display: inline-block; padding: 4px 5px; border: 1px solid rgba(183, 93, 65, 0.5); background: rgba(183, 93, 65, 0.06); color: var(--clay); font-size: 11px; line-height: 1; letter-spacing: 0.06em; white-space: nowrap; }
.page-faq .faq-q-text { flex: 1; margin-top: 2px; font-size: 15px; font-weight: 700; line-height: 1.55; color: var(--ink); }
.page-faq .faq-q-icon { display: grid; flex: 0 0 auto; width: 34px; height: 34px; place-items: center; border: 1px solid var(--faq-line); background: var(--mint); color: var(--gray); transition: transform 0.3s, background 0.25s, color 0.25s, border-color 0.25s; }
.page-faq .faq-q-icon svg { display: block; width: 18px; height: 18px; }
.page-faq .faq-item[open] .faq-q-icon { transform: rotate(-12deg); border-color: var(--gold); background: var(--faq-gold-fade); color: var(--gold-dark); }
.page-faq .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.page-faq .faq-item[open] .faq-answer { grid-template-rows: 1fr; }
.page-faq .faq-answer-inner { overflow: hidden; min-height: 0; }
.page-faq .faq-answer-body { padding: 0 16px 16px 26px; border-left: 3px solid transparent; }
.page-faq .faq-item[open] .faq-answer-body { border-left-color: var(--gold); }
.page-faq .faq-answer-body p { margin: 10px 0 0; overflow-wrap: break-word; font-size: 14px; line-height: 1.85; color: rgba(26, 26, 26, 0.84); }
.page-faq .faq-answer-body a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.page-faq .faq-answer-body a:hover { color: var(--gold-dark); }
.page-faq .faq-anchor { display: inline-block; margin-top: 10px; font-size: 12px; color: var(--gray); text-decoration: none; border-bottom: 1px dashed var(--gray); transition: color 0.2s, border-color 0.2s; }
.page-faq .faq-anchor:hover { color: var(--gold-dark); border-color: var(--gold-dark); }

.page-faq .faq-figure { margin: 22px 0 0; padding: 10px; border: 1px solid var(--faq-line); background: var(--mint); }
.page-faq .faq-figure--timeline { border-left: 4px solid var(--gold); }
.page-faq .faq-figure img { display: block; width: 100%; max-width: 100%; height: auto; object-fit: cover; border: 1px solid var(--faq-line); background: var(--white); }
.page-faq .faq-figure figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding-top: 10px; font-size: 13px; line-height: 1.6; color: var(--gray); }
.page-faq .faq-figure-caption { font-size: 11px; letter-spacing: 0.1em; color: var(--green); }

.page-faq .faq-cta { position: relative; overflow: hidden; padding: 26px clamp(18px, 4vw, 34px); background: var(--green-deep); border-top: 4px solid var(--gold); color: var(--white); }
.page-faq .faq-cta::after { content: "SUPPORT"; position: absolute; right: -12px; top: 50%; transform: translateY(-50%); font-family: var(--font-head); font-size: clamp(70px, 14vw, 150px); letter-spacing: 0.02em; color: rgba(255, 255, 255, 0.05); pointer-events: none; }
.page-faq .faq-cta-title { margin: 0 0 8px; font-family: var(--font-head); font-size: clamp(22px, 3vw, 30px); color: var(--gold); }
.page-faq .faq-cta p { position: relative; z-index: 1; max-width: 640px; margin: 0 0 16px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.84); }
.page-faq .faq-cta-btn { position: relative; z-index: 1; display: inline-flex; padding: 11px 20px; background: var(--gold); border: 2px solid var(--gold-dark); color: var(--ink); font-weight: 700; text-decoration: none; transition: background 0.2s, color 0.2s, transform 0.2s; }
.page-faq .faq-cta-btn:hover { background: var(--gold-dark); color: var(--white); transform: translateY(-2px); }

@media (min-width: 720px) {
  .page-faq .faq-stats { grid-template-columns: repeat(4, 1fr); }
  .page-faq .faq-stat-cell { border-bottom: 0; border-right: 1px dashed var(--faq-line); }
  .page-faq .faq-stat-cell:last-child { border-right: 0; }
  .page-faq .faq-figure--tree { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 16px; align-items: center; }
  .page-faq .faq-figure--tree figcaption { padding-top: 0; }
}

@media (min-width: 1024px) {
  .page-faq { padding: 34px 0 80px; }
  .page-faq .faq-head-title { font-size: clamp(48px, 5.6vw, 70px); }
  .page-faq .faq-toolbar { margin-bottom: 22px; }
  .page-faq .faq-layout { grid-template-columns: 280px minmax(0, 1fr); gap: 34px; }
  .page-faq .faq-index { position: sticky; top: 22px; }
  .page-faq .faq-main { gap: 48px; }
  .page-faq .faq-section { padding: 30px 28px 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-answer,
  .page-faq .faq-item,
  .page-faq .faq-q-icon,
  .page-faq .faq-index-link,
  .page-faq .faq-filterbar .filter-btn,
  .page-faq .faq-cta-btn { transition: none; }
}