.page-faq {
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 40px;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq .breadcrumbs {
  padding-top: 22px;
}

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

.page-faq a:hover {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: 22px 48px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(25, 247, 210, 0.12), transparent 60%),
    linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 62%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: 48ch;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
  color: var(--grey);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-jump {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  background: var(--ink-800);
  border: 2px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-hard);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-jump:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .faq-hero__plate {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 22px 18px;
  border: 3px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(25, 247, 210, 0.07) 0 1px, transparent 1px 26px),
    linear-gradient(155deg, var(--ink-700), var(--ink-800) 65%, var(--ink-900));
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-plate__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  background: rgba(10, 14, 13, 0.72);
  border: 2px solid var(--line);
}

.page-faq .faq-plate__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-plate__text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-plate__arrow {
  justify-self: center;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--orange);
  line-height: 1;
}

.page-faq .faq-plate__foot {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grey);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-block: 34px 56px;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

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

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-rail__list a span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

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

.page-faq .faq-rail__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-rail__cta {
  margin-top: 16px;
  display: inline-flex;
  justify-content: center;
  width: 100%;
}

/* ---------- 步骤段 ---------- */
.page-faq .faq-step {
  padding-block: 34px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 132px;
}

.page-faq .faq-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-step__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-step__num {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 3px solid var(--line);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 0.85;
  color: var(--cyan);
}

.page-faq .faq-step h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4vw, 32px);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-step__lede {
  margin: 16px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--grey);
  max-width: 62ch;
}

.page-faq .faq-step p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-step__foot {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

/* 步骤连线 */
.page-faq .faq-line {
  position: relative;
  margin: 24px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-faq .faq-line::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--teal));
}

.page-faq .faq-line__item {
  position: relative;
}

.page-faq .faq-line__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 5px;
  width: 13px;
  height: 13px;
  background: var(--ink-900);
  border: 3px solid var(--cyan);
  border-radius: 50%;
}

.page-faq .faq-line__item p {
  margin: 0;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--line);
  background: var(--ink-800);
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--grey);
  letter-spacing: 0.02em;
}

/* 面板型段落 */
.page-faq .faq-step--panel {
  margin-top: 34px;
  padding: 26px 20px;
  border: 2px solid var(--line);
  border-top: 2px solid var(--line);
  background: linear-gradient(165deg, var(--ink-700), var(--ink-800) 80%);
  box-shadow: var(--shadow-hard);
}

/* ---------- 平板切换 ---------- */
.page-faq .faq-switch {
  margin-top: 22px;
  padding: 16px;
  border: 2px solid var(--line);
  background: rgba(10, 14, 13, 0.55);
}

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

.page-faq .faq-switch__bar {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 2px solid var(--line);
  background: var(--ink-900);
}

.page-faq .faq-switch__bar label {
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--grey);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq #faq-view-h:checked ~ .faq-switch__bar label[for="faq-view-h"],
.page-faq #faq-view-v:checked ~ .faq-switch__bar label[for="faq-view-v"] {
  background: var(--cyan);
  color: var(--on-accent);
}

.page-faq #faq-view-h:focus-visible ~ .faq-switch__bar label[for="faq-view-h"],
.page-faq #faq-view-v:focus-visible ~ .faq-switch__bar label[for="faq-view-v"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-switch__stage {
  margin-top: 14px;
}

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

.page-faq #faq-view-h:checked ~ .faq-switch__stage .faq-switch__panel--h,
.page-faq #faq-view-v:checked ~ .faq-switch__stage .faq-switch__panel--v {
  display: block;
}

.page-faq .faq-switch__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

.page-faq .tabmock {
  border: 2px solid var(--line);
  background: var(--ink-900);
  padding: 10px;
}

.page-faq .tabmock__bar {
  display: flex;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .tabmock__bar i {
  flex: 1 1 auto;
  height: 12px;
  background: var(--teal);
}

.page-faq .tabmock__bar i:first-child {
  background: var(--cyan);
}

.page-faq .tabmock__rows {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.page-faq .tabmock__rows i {
  height: 9px;
  background: var(--line);
}

.page-faq .tabmock__rows i:nth-child(2) {
  width: 78%;
}

.page-faq .tabmock--v {
  max-width: 210px;
  margin-inline: auto;
}

.page-faq .tabmock--v .tabmock__bar i:last-child {
  flex: 0 0 14px;
  background: var(--orange);
}

/* ---------- 场馆 ---------- */
.page-faq .faq-venue {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-venue__cell {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  background: var(--ink-800);
}

.page-faq .faq-venue__cell h3 {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.03em;
}

.page-faq .faq-venue__cell p {
  margin: 0;
  font-size: 14px;
}

/* ---------- 版本说明 ---------- */
.page-faq .faq-versions {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-versions__item {
  position: relative;
  padding: 14px 16px 14px 52px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-versions__item p {
  margin: 0;
  font-size: 14px;
}

.page-faq .faq-versions__num {
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 联系 ---------- */
.page-faq .faq-step--contact {
  margin-top: 30px;
  padding: 26px 20px;
  border: 3px solid var(--orange);
  background:
    linear-gradient(150deg, rgba(255, 106, 42, 0.12), transparent 62%),
    var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-contact {
  display: grid;
  gap: 10px;
  margin: 20px 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact li {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grey);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-list {
  margin-top: 22px;
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--teal);
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--orange);
}

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

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 2px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 16px 16px 40px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-venue {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-versions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-block: 40px 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    padding-block: 48px 88px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 128px;
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-faq .faq-rail__list a {
    white-space: normal;
  }

  .page-faq .faq-step--panel,
  .page-faq .faq-step--contact {
    padding: 32px 30px;
  }

  .page-faq .faq-step__lede {
    margin-top: 18px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-versions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .faq-item,
  .page-faq .faq-switch__bar label,
  .page-faq .faq-rail__list a {
    transition: none;
  }

  .page-faq .faq-jump:hover,
  .page-faq .faq-jump:focus-visible {
    transform: none;
  }
}