.page-faq {
  --faq-line: rgba(185, 179, 167, .55);
  --faq-gap: clamp(16px, 3.2vw, 34px);
  display: block;
  overflow-x: clip;
  background: var(--chalk);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq .wrap {
  box-sizing: border-box;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq .crumbs {
  box-sizing: border-box;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 14px;
  background: var(--arena);
  color: var(--chalk);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -20%;
  width: 48%;
  height: 160%;
  background: linear-gradient(180deg, rgba(255, 90, 31, .22), rgba(255, 90, 31, 0) 72%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(112deg, rgba(247, 243, 232, .055) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 54px) var(--gutter) clamp(52px, 7vw, 82px);
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.4vw, 68px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.015em;
}

.page-faq .faq-hero__sub {
  margin: 16px 0 0;
  max-width: 36ch;
  font-size: clamp(15px, 1.5vw, 17px);
  color: rgba(247, 243, 232, .84);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__actions .btn {
  display: inline-block;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-hero__actions .btn:hover {
  transform: translateY(-2px);
}

.page-faq .faq-hero__actions .btn--line {
  border-color: rgba(247, 243, 232, .5);
  color: var(--chalk);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__figure .media-frame {
  overflow: hidden;
  border: 1px solid rgba(247, 243, 232, .3);
  background: var(--tunnel);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-faq .faq-hero__badge {
  position: absolute;
  left: 10px;
  bottom: -16px;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
}

.page-faq .faq-hero__badge b {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__badge small {
  font-size: 12px;
  letter-spacing: .1em;
}

@media (min-width: 860px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 五步通道 ---------- */
.page-faq .faq-steps {
  padding: clamp(38px, 6vw, 74px) 0 clamp(30px, 4vw, 48px);
}

.page-faq .faq-steps__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-sizing: border-box;
  width: 100%;
  padding: 14px 14px 16px;
  text-align: left;
  background: var(--chalk);
  color: var(--ink);
  border: 1px solid var(--stone);
  border-top: 4px solid var(--stone);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  border-color: var(--tunnel);
}

.page-faq .faq-step:focus-visible {
  outline: 3px solid var(--turf);
  outline-offset: 3px;
}

.page-faq .faq-step[aria-selected="true"] {
  background: var(--arena);
  color: var(--chalk);
  border-color: var(--arena);
  border-top-color: var(--amber);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step[aria-selected="true"] .faq-step__num {
  color: var(--amber);
}

.page-faq .faq-step__label {
  font-weight: 500;
  letter-spacing: .02em;
}

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

.page-faq .faq-steps__panels {
  margin-top: 20px;
}

.page-faq .faq-step__panel {
  box-sizing: border-box;
  padding: clamp(18px, 3vw, 30px) clamp(18px, 3vw, 34px);
  background: var(--chalk);
  border: 1px solid var(--stone);
  border-left: 5px solid var(--amber);
}

.page-faq .faq-step__panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .01em;
}

.page-faq .faq-step__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
}

.page-faq .faq-step__panel .faq-step__hint {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  color: var(--tunnel);
  font-size: 14px;
}

@media (min-width: 680px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-steps__track {
    display: block;
    height: 6px;
    margin: 0 0 16px;
  }

  .page-faq .faq-steps__track svg {
    display: block;
    width: 100%;
    height: 6px;
  }

  .page-faq .faq-steps__track line {
    stroke: var(--stone);
    stroke-width: 2;
    stroke-dasharray: 10 8;
  }
}

/* ---------- 首次路径 ---------- */
.page-faq .faq-path {
  padding: clamp(38px, 6vw, 74px) 0;
  background: var(--arena);
  color: var(--chalk);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 calc(100% - 22px));
}

.page-faq .faq-path .sec-head__index {
  color: var(--amber);
}

.page-faq .faq-path .sec-head__title {
  color: var(--chalk);
}

.page-faq .faq-path .sec-head__lead {
  color: rgba(247, 243, 232, .78);
}

.page-faq .faq-path__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-path__item {
  padding: 22px 20px 20px;
  background: rgba(20, 50, 74, .78);
  border-top: 3px solid var(--turf);
}

.page-faq .faq-path__item:nth-child(2) {
  border-top-color: var(--amber);
}

.page-faq .faq-path__item:nth-child(3) {
  border-top-color: var(--signal);
}

.page-faq .faq-path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.03em;
  color: rgba(247, 243, 232, .4);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-path__item h3 {
  margin: 8px 0 6px;
  font-size: 19px;
  font-weight: 600;
  color: var(--chalk);
}

.page-faq .faq-path__item p {
  margin: 0;
  font-size: 14.5px;
  color: rgba(247, 243, 232, .76);
}

.page-faq .faq-path__foot {
  margin: 26px 0 0;
  font-size: 14px;
  color: rgba(247, 243, 232, .72);
}

.page-faq .faq-path__foot a {
  color: var(--amber);
}

@media (min-width: 760px) {
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 问题目录 ---------- */
.page-faq .faq-board {
  padding: clamp(38px, 6vw, 76px) 0 clamp(44px, 7vw, 88px);
}

.page-faq .faq-board__head {
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
  margin-bottom: clamp(24px, 4vw, 44px);
}

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

.page-faq .faq-board__figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--stone);
  background: var(--mist);
}

.page-faq .faq-board__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-board__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--clay);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  padding: 7px 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--tunnel);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-index__list a span {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--turf);
  background: var(--mist);
  color: var(--ink);
  outline: none;
}

.page-faq .faq-questions {
  counter-reset: faq-q;
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-group__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
}

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

.page-faq .faq-item {
  counter-increment: faq-q;
  scroll-margin-top: 92px;
}

.page-faq .faq-item > .fold {
  background: var(--chalk);
  border: 1px solid var(--stone);
  border-left: 4px solid var(--mist);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-item > .fold:hover {
  border-left-color: var(--turf);
}

.page-faq .faq-item > .fold[open] {
  border-left-color: var(--turf);
}

.page-faq .faq-item:target > .fold {
  border-left-color: var(--amber);
  background: var(--mist);
}

.page-faq .fold > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  list-style: none;
}

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

.page-faq .fold > summary::before {
  content: counter(faq-q, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-faq .fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--stone);
}

.page-faq .fold[open] > summary::after {
  content: "\2212";
  color: var(--turf);
}

.page-faq .fold > summary:focus-visible {
  outline: 3px solid var(--turf);
  outline-offset: -3px;
}

.page-faq .fold__body {
  padding: 0 16px 16px 50px;
  font-size: 15px;
  color: rgba(17, 19, 17, .82);
}

.page-faq .fold__body p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .fold__body a {
  color: var(--tunnel);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 979px) {
  .page-faq .faq-index {
    overflow: hidden;
  }

  .page-faq .faq-index__list {
    display: flex;
    gap: 8px;
    padding-bottom: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__list a {
    padding: 7px 12px;
    border: 1px solid var(--stone);
    background: var(--chalk);
    white-space: nowrap;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-color: var(--turf);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-board__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-board__grid {
    grid-template-columns: 268px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    border-left: 2px solid var(--stone);
  }

  .page-faq .faq-index__list a {
    margin-left: -2px;
  }
}

/* ---------- 联系兜底 ---------- */
.page-faq .faq-help {
  padding: clamp(36px, 6vw, 72px) 0;
  background: var(--tunnel);
  color: var(--chalk);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-help__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--chalk);
}

.page-faq .faq-help__body p {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15px;
  color: rgba(247, 243, 232, .82);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  color: rgba(247, 243, 232, .84);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 8px;
  background: var(--turf);
}

.page-faq .faq-help__more {
  font-size: 14px;
  color: rgba(247, 243, 232, .74);
}

.page-faq .faq-help__more a {
  color: var(--amber);
}

.page-faq .faq-help__plate {
  box-sizing: border-box;
  padding: 22px;
  background: var(--arena);
  border: 1px solid rgba(247, 243, 232, .22);
}

.page-faq .faq-help__plate .data-plate__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--amber);
}

.page-faq .faq-help__dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__dl > div {
  display: grid;
  gap: 2px;
}

.page-faq .faq-help__dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(247, 243, 232, .5);
}

.page-faq .faq-help__dl dd {
  margin: 0;
  font-size: 15px;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(247, 243, 232, .25);
  font-size: 13px;
  color: rgba(247, 243, 232, .7);
}

@media (min-width: 860px) {
  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-step__panel,
  .page-faq .faq-item > .fold,
  .page-faq .faq-index__list a,
  .page-faq .faq-hero__actions .btn {
    transition: none;
  }

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