.page-faq {
  --faq-gap: clamp(1rem, 2.4vw, 1.75rem);
  --faq-line: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq .section-title,
.page-faq .track__title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.1rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.4rem);
  background: linear-gradient(178deg, var(--deep) 0%, var(--ink) 62%);
  border-bottom: var(--faq-line);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0 0 clamp(1rem, 3vw, 1.8rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--sage);
}

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

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-40);
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--cyan);
}

.page-faq h1 {
  margin: 0.7rem 0 0;
  font-size: clamp(2rem, 7.2vw, 3.9rem);
  line-height: 1.06;
  max-width: 18ch;
}

.page-faq .faq-lede {
  margin: clamp(0.9rem, 2vw, 1.3rem) 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-faq .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.32rem 0.78rem;
  border: var(--faq-line);
  border-radius: var(--r-pill);
  color: var(--sage);
  white-space: nowrap;
}

.page-faq .pill--current {
  color: var(--cyan);
  border-color: var(--cyan-40);
  background: var(--cyan-06);
}

.page-faq .pill--amber {
  color: var(--amber);
  border-color: var(--amber-45);
  background: var(--amber-10);
}

.page-faq .jump-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  padding-top: 1rem;
  border-top: var(--faq-line);
}

.page-faq .jump-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.85rem;
  border: var(--faq-line);
  border-radius: var(--r-pill);
  color: var(--sage);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .jump-link:hover,
.page-faq .jump-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 双路径对照 ---------- */
.page-faq .path-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-faq .track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding: clamp(1.05rem, 3vw, 1.7rem);
  border: var(--faq-line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(21, 59, 49, 0.78), rgba(16, 22, 20, 0.96));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .track::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(1.05rem, 3vw, 1.7rem);
  width: 3.4rem;
  height: 2px;
  background: var(--cyan);
}

.page-faq .track:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-40);
}

.page-faq .track--amber {
  background: linear-gradient(158deg, rgba(14, 59, 54, 0.72), rgba(16, 22, 20, 0.96));
}

.page-faq .track--amber::before {
  background: var(--amber);
}

.page-faq .track--amber:hover {
  border-color: var(--amber-45);
}

.page-faq .track__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .track--amber .track__kicker {
  color: var(--amber);
}

.page-faq .track__title {
  margin: 0.45rem 0 0;
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  line-height: 1.2;
}

.page-faq .track__lead {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .track__media {
  margin: 0;
}

.page-faq .track__media .media__frame {
  overflow: hidden;
  border: var(--faq-line);
  border-radius: var(--r-md);
}

.page-faq .track__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center 40%;
}

.page-faq .track__steps {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .track__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.6;
  border-bottom: 1px dashed rgba(49, 85, 76, 0.75);
}

.page-faq .track__step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .track__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
}

.page-faq .track--amber .track__num {
  color: var(--amber);
}

.page-faq .track .btn {
  align-self: flex-start;
  margin-top: 0.15rem;
}

.page-faq .track--amber .btn--ghost {
  color: var(--amber);
  border-color: var(--amber-45);
}

.page-faq .track--amber .btn--ghost:hover,
.page-faq .track--amber .btn--ghost:focus-visible {
  background: var(--amber-10);
  color: var(--amber);
}

.page-faq .kw-mini {
  padding: 0.9rem 1rem;
  border: 1px dashed rgba(49, 85, 76, 0.9);
  border-radius: var(--r-md);
  background: rgba(16, 22, 20, 0.55);
}

.page-faq .kw-mini__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .kw-chip {
  display: inline-block;
  margin: 0.15rem 0.28rem 0.15rem 0;
  padding: 0.28rem 0.62rem;
  border-radius: var(--r-sm);
  background: var(--cyan-12);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.page-faq .kw-card--amber .kw-chip {
  background: var(--amber-10);
  color: var(--amber);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding: clamp(2rem, 5.5vw, 3.8rem) 0;
  border-top: var(--faq-line);
}

.page-faq .section-title {
  margin: 0.55rem 0 0;
  font-size: clamp(1.45rem, 4.6vw, 2.3rem);
  line-height: 1.16;
}

.page-faq .section-lede {
  margin: 0.85rem 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--sage);
}

.page-faq .section-note {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0.9rem 1.05rem;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--amber-10);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--paper);
  max-width: 76ch;
}

/* ---------- 五步条 ---------- */
.page-faq .steprail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  display: grid;
  gap: 0.45rem;
  align-content: start;
  padding: 1rem 1.05rem;
  border: var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(21, 59, 49, 0.42);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .step:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-40);
  background: rgba(21, 59, 49, 0.68);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--amber);
}

.page-faq .step__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}

.page-faq .step__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 检索章节 ---------- */
.page-faq .faq-section--search {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(88, 242, 208, 0.08), transparent 58%),
    linear-gradient(180deg, var(--ink), var(--deep));
}

.page-faq .search-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.2rem);
}

.page-faq .kw-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .kw-card {
  padding: 1rem 1.05rem;
  border: var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(11, 36, 29, 0.72);
}

.page-faq .kw-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.page-faq .kw-card p {
  margin: 0 0 0.6rem;
  font-size: 0.84rem;
  line-height: 1.68;
  color: var(--sage);
}

.page-faq .result-list {
  display: grid;
  gap: 0.5rem;
  margin: clamp(1.1rem, 3vw, 1.5rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.8rem;
  padding: 0.8rem 1rem;
  border: var(--faq-line);
  border-radius: var(--r-sm);
  background: rgba(16, 22, 20, 0.68);
  font-size: 0.88rem;
  transition: border-color 0.2s var(--ease);
}

.page-faq .result:hover {
  border-color: var(--cyan-40);
}

.page-faq .result__name {
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .result__mark {
  padding: 0 0.18em;
  border-radius: 4px;
  background: var(--cyan-12);
  color: var(--cyan);
}

.page-faq .result__tag {
  align-self: start;
  padding: 0.08rem 0.5rem;
  border: 1px solid var(--amber-45);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .result__path {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
}

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

.page-faq .search-figure .media__frame {
  overflow: hidden;
  border: var(--faq-line);
  border-radius: var(--r-lg);
  background: var(--ink);
}

.page-faq .search-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  line-height: 1.7;
  color: var(--sage);
}

.page-faq .search-tips {
  display: grid;
  gap: 0.6rem;
  margin-top: clamp(1.4rem, 3.5vw, 2rem);
  padding-top: 1.2rem;
  border-top: var(--faq-line);
}

.page-faq .search-tips__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: baseline;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .search-tips__item .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--amber);
}

/* ---------- 折叠问答 ---------- */
.page-faq .acc-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 1.8rem);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .acc-group__title {
  margin: 0 0 0.65rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .acc {
  margin-bottom: 0.45rem;
  border: var(--faq-line);
  border-radius: var(--r-sm);
  background: rgba(16, 22, 20, 0.62);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .acc:hover {
  border-color: var(--cyan-40);
}

.page-faq .acc[open] {
  border-color: var(--cyan-40);
  background: rgba(21, 59, 49, 0.55);
}

.page-faq .acc__q {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.8rem 0.95rem;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .acc__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .acc[open] .acc__q::after {
  content: "–";
  color: var(--amber);
}

.page-faq .acc__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-faq .acc__a {
  margin: 0;
  padding: 0 0.95rem 0.9rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 速查表 ---------- */
.page-faq .faq-section--quick {
  background: linear-gradient(180deg, var(--deep), var(--ink));
}

.page-faq .quick {
  margin-top: clamp(1.3rem, 3vw, 2rem);
  overflow: hidden;
  border: var(--faq-line);
  border-radius: var(--r-lg);
}

.page-faq .quick__head {
  display: none;
}

.page-faq .quick__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  border-top: var(--faq-line);
  background: rgba(16, 22, 20, 0.55);
}

.page-faq .quick__row:nth-child(odd) {
  background: rgba(21, 59, 49, 0.4);
}

.page-faq .quick__sym {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .quick__cause,
.page-faq .quick__next {
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--sage);
}

.page-faq .quick__next a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-40);
}

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

.page-faq .quick__key {
  margin-right: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .quick__tag {
  padding-top: 0.15rem;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-section--support {
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .support {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.3rem, 3vw, 2rem);
  padding: clamp(1.15rem, 3.4vw, 2.2rem);
  border: var(--faq-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(110% 100% at 100% 0%, rgba(88, 242, 208, 0.1), transparent 60%),
    linear-gradient(150deg, var(--moss), var(--teal) 55%, var(--ink));
}

.page-faq .support__text {
  margin: 0.85rem 0 0;
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-faq .support__list {
  display: grid;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .support__list li {
  padding-left: 1rem;
  position: relative;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 2px;
  background: var(--amber);
}

.page-faq .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.page-faq .support__contact {
  padding: 1rem 1.05rem;
  border: 1px dashed rgba(88, 242, 208, 0.34);
  border-radius: var(--r-md);
  background: rgba(11, 36, 29, 0.62);
}

.page-faq .support__label {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-faq .support__label + .support__phone {
  margin-top: 0.15rem;
}

.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: 0.55rem;
}

.page-faq .support__mail {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--cyan-40);
}

.page-faq .copy-status {
  margin: 0 0 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
}

.page-faq .support__phone {
  margin: 0 0 1rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .support__phone a {
  font-family: var(--font-mono);
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-45);
}

.page-faq .support__fine {
  margin: 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .support__fine a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-40);
}

.page-faq .support__fine a:hover,
.page-faq .support__fine a:focus-visible,
.page-faq .support__mail:hover,
.page-faq .support__mail:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .kw-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .steprail {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .search-tips {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem 1.4rem;
  }
}

@media (min-width: 900px) {
  .page-faq .path-pair {
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
    align-items: start;
  }

  .page-faq .track__media img {
    max-height: 250px;
  }

  .page-faq .acc-group {
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem 2rem;
  }

  .page-faq .support {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .steprail {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.9rem;
  }

  .page-faq .kw-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .search-grid {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .page-faq .search-tips {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 820px) {
  .page-faq .quick__head,
  .page-faq .quick__row {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1.35fr 5.5rem;
    gap: 1rem;
    align-items: center;
  }

  .page-faq .quick__head {
    padding: 0.7rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--sage);
    background: rgba(14, 59, 54, 0.85);
  }

  .page-faq .quick__row {
    padding: 0.95rem 1.1rem;
  }

  .page-faq .quick__key {
    display: none;
  }

  .page-faq .quick__tag {
    padding-top: 0;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .track,
  .page-faq .step,
  .page-faq .result,
  .page-faq .acc,
  .page-faq .jump-link {
    transition: none;
  }

  .page-faq .track:hover,
  .page-faq .step:hover {
    transform: none;
  }
}