.page-faq {
  --faq-hair: rgba(214, 195, 158, 0.20);
  --faq-hair-soft: rgba(214, 195, 158, 0.10);
  --faq-body: rgba(242, 231, 207, 0.82);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--terminal);
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

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

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--cinnabar-lit);
  border-bottom-color: var(--cinnabar-lit);
}

.page-faq .crumbs .crumbs__sep {
  color: var(--grid);
}

.page-faq .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 52px) 0 clamp(44px, 6vw, 84px);
  background:
    repeating-linear-gradient(90deg, rgba(36, 68, 90, 0.32) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(36, 68, 90, 0.22) 0 1px, transparent 1px 92px),
    linear-gradient(180deg, rgba(6, 17, 27, 0.55), rgba(11, 27, 43, 0.98) 62%),
    var(--ink);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 4.4vw, 54px);
  line-height: 1.14;
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 0.32em 0 0.55em;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  color: var(--faq-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  max-width: 46em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* 终端状态块 */
.page-faq .faq-terminal {
  position: relative;
  border: 1px solid var(--faq-hair);
  background: linear-gradient(165deg, rgba(36, 68, 90, 0.42), rgba(6, 17, 27, 0.94));
  padding: clamp(20px, 3vw, 30px);
  overflow: hidden;
}

.page-faq .faq-terminal::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(138, 169, 188, 0.09) 0 1px, transparent 1px 4px);
  opacity: 0.6;
}

.page-faq .faq-terminal > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-terminal__bar {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--jade);
}

.page-faq .faq-terminal__dot {
  width: 7px;
  height: 7px;
  background: var(--jade);
  display: inline-block;
  animation: faq-pulse 2.8s ease-in-out infinite;
}

.page-faq .faq-terminal__big {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(66px, 11vw, 116px);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--paper);
  margin: 0 0 0.35em;
}

.page-faq .faq-terminal__big span {
  color: var(--cinnabar);
}

.page-faq .faq-terminal__rows {
  margin: 0;
  display: grid;
}

.page-faq .faq-terminal__rows > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--faq-hair-soft);
  font-size: 13px;
}

.page-faq .faq-terminal__rows dt {
  color: var(--terminal);
}

.page-faq .faq-terminal__rows dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  text-align: right;
}

@keyframes faq-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-sec {
  border-top: 1px solid var(--faq-hair);
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-faq .section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 36px);
}

.page-faq .faq-head {
  display: grid;
  gap: 10px;
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-head__aside {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--terminal);
  max-width: 30ch;
}

/* ---------- 三步 ---------- */
.page-faq .faq-first {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 3.5vw, 44px);
}

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

.page-faq .faq-first__figure img,
.page-faq .faq-lookup__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--terminal);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 0 18px;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 clamp(26px, 3vw, 38px) clamp(44px, 5vw, 60px);
  border-left: 1px solid var(--faq-hair);
}

.page-faq .faq-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .faq-step__no {
  position: absolute;
  left: -19px;
  top: -2px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--ink);
  border: 1px solid var(--jade);
  color: var(--jade);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-step h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.9vw, 21px);
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 4px 0 10px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-step__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 146, 110, 0.45);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 旧资料查询 ---------- */
.page-faq .faq-lookup__lede {
  margin-top: clamp(20px, 2.6vw, 30px);
  color: var(--faq-body);
  max-width: 60ch;
}

.page-faq .faq-modes {
  position: relative;
  margin-top: clamp(24px, 3.2vw, 38px);
}

.page-faq .faq-modes__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-modes__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
  margin-bottom: -1px;
}

.page-faq .faq-modes__label {
  display: inline-block;
  padding: 0.68em 1.1em;
  border: 1px solid var(--faq-hair);
  background: rgba(6, 17, 27, 0.72);
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-modes__label:hover {
  color: var(--paper);
  border-color: var(--paper-dim);
}

.page-faq .faq-modes__input:focus-visible + .faq-modes__labels .faq-modes__label,
.page-faq .faq-modes__input:focus-visible ~ .faq-modes__labels .faq-modes__label[for="faq-mode-1"] {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-faq #faq-mode-1:checked ~ .faq-modes__labels .faq-modes__label[for="faq-mode-1"],
.page-faq #faq-mode-2:checked ~ .faq-modes__labels .faq-modes__label[for="faq-mode-2"],
.page-faq #faq-mode-3:checked ~ .faq-modes__labels .faq-modes__label[for="faq-mode-3"] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--sheet-ink);
}

.page-faq .faq-modes__panels {
  position: relative;
  border: 1px solid var(--faq-hair);
  background: rgba(6, 17, 27, 0.6);
  padding: clamp(20px, 3vw, 34px);
}

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

.page-faq #faq-mode-1:checked ~ .faq-modes__panels .faq-modes__panel--1,
.page-faq #faq-mode-2:checked ~ .faq-modes__panels .faq-modes__panel--2,
.page-faq #faq-mode-3:checked ~ .faq-modes__panels .faq-modes__panel--3 {
  display: block;
}

.page-faq .faq-fields {
  margin: 0;
  display: grid;
}

.page-faq .faq-fields > div {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-hair-soft);
}

.page-faq .faq-fields > div:last-child {
  border-bottom: none;
}

.page-faq .faq-fields dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--terminal);
}

.page-faq .faq-fields dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-path {
  margin: 20px 0 0;
  padding: 12px 16px;
  border-left: 2px solid var(--cinnabar);
  background: rgba(217, 93, 57, 0.09);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--cinnabar-lit);
  word-break: break-word;
}

.page-faq .faq-lookup__figure {
  margin: clamp(28px, 3.5vw, 44px) 0 0;
}

/* ---------- 移动端路径 ---------- */
.page-faq .faq-paths {
  display: grid;
  margin-top: clamp(26px, 3.5vw, 42px);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-path-col {
  padding: clamp(20px, 2.8vw, 30px);
}

.page-faq .faq-path-col--old {
  background: rgba(6, 17, 27, 0.65);
}

.page-faq .faq-path-col--new {
  background: rgba(74, 216, 196, 0.07);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-path-col__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--terminal);
}

.page-faq .faq-path-col--new .faq-path-col__label {
  color: var(--jade);
}

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

.page-faq .faq-levels li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--faq-hair-soft);
  font-size: 14px;
  color: var(--paper);
}

.page-faq .faq-levels li:last-child {
  border-bottom: none;
}

.page-faq .faq-levels__no {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--terminal);
}

.page-faq .faq-path-col--new .faq-levels__no {
  color: var(--jade);
}

.page-faq .faq-path-col__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--terminal);
}

.page-faq .faq-path-arrow {
  display: grid;
  place-items: center;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cinnabar-lit);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-save {
  list-style: none;
  counter-reset: faq-save;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-save li {
  counter-increment: faq-save;
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--faq-hair);
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-save li::before {
  content: counter(faq-save, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar-lit);
}

/* ---------- 问题排查 ---------- */
.page-faq .faq-qa {
  margin-top: clamp(24px, 3.2vw, 38px);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-qa details {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-qa summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 42px 19px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 18px);
  letter-spacing: 0.03em;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

.page-faq .faq-qa summary:hover {
  color: var(--cinnabar-lit);
}

.page-faq .faq-qa summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}

.page-faq .faq-qa summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cinnabar);
}

.page-faq .faq-qa details[open] summary::after {
  content: "−";
  color: var(--jade);
}

.page-faq .faq-qa__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--terminal);
  flex: none;
}

.page-faq .faq-qa__body {
  padding-bottom: 20px;
  max-width: 64ch;
}

.page-faq .faq-qa__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body);
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
  margin-top: clamp(26px, 3.5vw, 42px);
}

.page-faq .faq-prep__list {
  list-style: none;
  counter-reset: faq-prep;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-prep__list li {
  counter-increment: faq-prep;
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--faq-hair);
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-prep__list li::before {
  content: counter(faq-prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--jade);
}

.page-faq .faq-contact {
  background: var(--sheet);
  color: var(--sheet-ink);
  border-left: 4px solid var(--cinnabar);
  padding: clamp(22px, 3vw, 32px);
}

.page-faq .faq-contact__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(21, 36, 49, 0.6);
}

.page-faq .faq-contact__rows {
  margin: 0;
  display: grid;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-top: 1px solid rgba(21, 36, 49, 0.16);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 1px solid rgba(21, 36, 49, 0.16);
}

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(21, 36, 49, 0.62);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sheet-ink);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 16px 0 20px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(21, 36, 49, 0.78);
}

.page-faq .faq-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(34px, 4.5vw, 56px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-end__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--terminal);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-fields > div {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-faq .faq-path-arrow {
    border-top: none;
    border-left: 1px solid var(--faq-hair);
  }

  .page-faq .faq-paths {
    grid-template-columns: minmax(0, 1fr) 52px minmax(0, 1fr);
    align-items: stretch;
  }

  .page-faq .faq-path-col--new {
    border-top: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 1fr);
    align-items: end;
  }

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

  .page-faq .faq-first__figure {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-faq .faq-head__aside {
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-terminal__dot {
    animation: none;
  }

  .page-faq .faq-first__figure {
    position: static;
  }

  .page-faq .crumbs a,
  .page-faq .faq-step__link,
  .page-faq .faq-modes__label,
  .page-faq .faq-qa summary {
    transition: none;
  }
}