.page-faq {
  --faq-card-line: 1px solid var(--mist);
  --faq-soft: rgba(246, 242, 234, 0.78);
  --faq-soft-line: rgba(246, 242, 234, 0.18);
  background: var(--crane);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 36px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(14, 111, 110, 0.07), transparent 62%),
    var(--crane);
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 4vw, 40px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--warm);
}

.page-faq .faq-crumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  color: rgba(107, 100, 92, 0.5);
}

.page-faq .faq-crumb a {
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.page-faq .faq-lede {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: clamp(15px, 2.2vw, 17.5px);
  line-height: 1.85;
  color: var(--warm);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.5vw, 32px);
}

.page-faq .faq-hero-meta {
  display: grid;
  gap: 12px 20px;
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: clamp(16px, 2.5vw, 20px) 0 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-meta-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--warm);
}

.page-faq .faq-meta-v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-faq .faq-hero-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--warm);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-toc {
  padding-top: 14px;
  border-top: 2px solid var(--red);
}

.page-faq .faq-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--warm);
}

.page-faq .faq-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-toc-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-toc-item {
  flex: 0 0 auto;
}

.page-faq .faq-toc-link {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--red);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-main > .faq-section:first-child {
  padding-top: 0;
  border-top: none;
}

.page-faq .faq-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 14px;
}

.page-faq .faq-sec-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.6vw, 28px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--red);
}

.page-faq .faq-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: 0.04em;
}

.page-faq .faq-sec-lede {
  max-width: 40em;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(14.5px, 2.2vw, 16.5px);
  line-height: 1.85;
  color: var(--warm);
}

.page-faq .faq-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--warm);
}

.page-faq .faq-more {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 01 三步骤 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: clamp(16px, 3vw, 24px) 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-step-num {
  grid-row: 1 / span 2;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.5vw, 2.9rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .faq-step-k {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  letter-spacing: 0.04em;
}

.page-faq .faq-step-d {
  max-width: 46em;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

/* ---------- 02 入口结构 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 4vw, 36px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-faq .faq-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--warm);
}

.page-faq .faq-structure-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-block-title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--teal);
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-tree-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tree-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-tree-l2 {
  padding-left: 20px;
}

.page-faq .faq-tree-l3 {
  padding-left: 40px;
}

.page-faq .faq-tree-tag {
  flex: 0 0 auto;
  padding: 3px 10px;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--warm);
}

.page-faq .faq-tree-l1 .faq-tree-tag {
  border-color: rgba(14, 111, 110, 0.45);
  color: var(--teal);
}

.page-faq .faq-tree-l2 .faq-tree-tag {
  border-color: rgba(179, 38, 30, 0.42);
  color: var(--red);
}

.page-faq .faq-tree-l3 .faq-tree-tag {
  border-color: rgba(154, 106, 31, 0.45);
  color: var(--gold);
}

.page-faq .faq-tag-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tag-list li {
  display: grid;
  justify-items: start;
  gap: 6px;
  padding: 12px 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-tag-list li:first-child {
  padding-top: 0;
  border-top: none;
}

.page-faq .faq-tag-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---------- 03 深色版本带 ---------- */
.page-faq .faq-section--deep {
  margin: clamp(24px, 4vw, 40px) 0;
  padding: clamp(28px, 5vw, 48px) clamp(20px, 4vw, 44px);
  background: var(--deep);
  color: var(--crane);
  border-top: none;
  border-radius: var(--r-lg);
}

.page-faq .faq-section--deep .faq-sec-num {
  color: var(--red-bright);
}

.page-faq .faq-section--deep .faq-sec-title {
  color: var(--crane);
}

.page-faq .faq-section--deep .faq-sec-lede,
.page-faq .faq-section--deep .faq-note {
  color: var(--faq-soft);
}

.page-faq .faq-version-grid {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

.page-faq .faq-version-card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-soft-line);
  border-radius: var(--r-md);
  background: rgba(246, 242, 234, 0.06);
}

.page-faq .faq-version-card--test {
  background: rgba(58, 46, 90, 0.42);
  border-color: rgba(154, 106, 31, 0.46);
}

.page-faq .faq-ver-label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--teal-bright);
}

.page-faq .faq-version-card--test .faq-ver-label {
  color: #E8C98F;
}

.page-faq .faq-ver-num {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--crane);
}

.page-faq .faq-version-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-version-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-version-card li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-soft);
}

.page-faq .faq-version-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal-bright);
}

.page-faq .faq-version-card--test li::before {
  background: #E8C98F;
}

.page-faq .faq-req {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: clamp(16px, 3vw, 24px);
  border-top: 1px solid var(--faq-soft-line);
}

.page-faq .faq-req .faq-block-title {
  color: var(--teal-bright);
  border-bottom-color: var(--faq-soft-line);
}

.page-faq .faq-req-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-req-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(246, 242, 234, 0.12);
}

.page-faq .faq-req-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(246, 242, 234, 0.62);
}

.page-faq .faq-req-v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--crane);
}

.page-faq .faq-section--deep .link-arrow,
.page-faq .faq-section--wine .link-arrow {
  color: var(--teal-bright);
}

/* ---------- 04 使用记录 ---------- */
.page-faq .faq-facts {
  display: grid;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts li {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-facts li:first-child {
  border-top: 2px solid var(--red);
}

.page-faq .faq-fact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--warm);
}

.page-faq .faq-fact-v {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 2.8vw, 1.45rem);
  letter-spacing: 0.03em;
}

.page-faq .faq-fact-d {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---------- 05 酒红反馈带 ---------- */
.page-faq .faq-section--wine {
  margin: clamp(24px, 4vw, 40px) 0;
  padding: clamp(28px, 5vw, 48px) clamp(20px, 4vw, 44px);
  background: var(--wine);
  color: var(--crane);
  border-top: none;
  border-radius: var(--r-lg);
}

.page-faq .faq-section--wine .faq-sec-num {
  color: #F0D9A8;
}

.page-faq .faq-section--wine .faq-sec-title {
  color: var(--crane);
}

.page-faq .faq-section--wine .faq-sec-lede {
  color: var(--faq-soft);
}

.page-faq .faq-states {
  display: grid;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-states li {
  display: grid;
  justify-items: start;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid rgba(246, 242, 234, 0.22);
}

.page-faq .faq-states p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .faq-state {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-faq .faq-state--received {
  background: #F0D9A8;
  color: #5A3D0C;
}

.page-faq .faq-state--doing {
  background: var(--teal-bright);
  color: #0B3B3C;
}

.page-faq .faq-state--done {
  background: var(--red-bright);
  color: #4A0F0B;
}

.page-faq .faq-contact {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--r-md);
  background: rgba(20, 20, 20, 0.18);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.page-faq .faq-contact-k {
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #F0D9A8;
}

.page-faq .faq-contact-v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--crane);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 242, 234, 0.4);
  word-break: break-all;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-contact-v:hover,
.page-faq .faq-contact-v:focus-visible {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

.page-faq .faq-contact-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--faq-soft);
}

/* ---------- 06 常见问题 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--mist);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-q summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-height: 44px;
  padding: 16px 38px 16px 0;
  list-style: none;
  cursor: pointer;
}

.page-faq .faq-q summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--teal);
}

.page-faq .faq-q[open] summary::after {
  content: "–";
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-faq .faq-q-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-faq .faq-q-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.55;
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-q summary:hover .faq-q-text {
  color: var(--teal);
}

.page-faq .faq-q-body {
  padding: 0 0 18px 34px;
  border-left: 2px solid transparent;
  transition: border-color 0.22s var(--ease);
}

.page-faq .faq-q[open] .faq-q-body {
  border-left-color: var(--teal);
}

.page-faq .faq-q-body p {
  max-width: 44em;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--warm);
}

.page-faq .faq-q-body p + p {
  margin-top: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-req-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 32px);
  }
}

@media (min-width: 760px) {
  .page-faq .faq-version-grid,
  .page-faq .faq-states {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 24px);
  }

  .page-faq .faq-states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 28px);
  }

  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 28px);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-structure-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-top: 16px;
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc-item {
    width: 100%;
  }

  .page-faq .faq-toc-link {
    padding: 10px 10px 10px 14px;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    background: transparent;
    font-size: 13.5px;
    white-space: normal;
  }

  .page-faq .faq-toc-link:hover,
  .page-faq .faq-toc-link:focus-visible {
    border-left-color: var(--red);
    background: rgba(179, 38, 30, 0.05);
    color: var(--red);
  }

  .page-faq .faq-toc-link:hover .faq-toc-num,
  .page-faq .faq-toc-link:focus-visible .faq-toc-num {
    color: var(--red);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc-link,
  .page-faq .faq-crumb a,
  .page-faq .faq-q-text,
  .page-faq .faq-q-body,
  .page-faq .faq-contact-v {
    transition: none;
  }
}