.page-faq {
  --faq-pad: 28px;
  --faq-index-w: 200px;
  --faq-radius: 2px;
  background-color: var(--ink);
  color: var(--paper);
  padding-bottom: 0;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 56px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(51, 224, 208, 0.16), transparent 62%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 64%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 9vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__accent {
  color: var(--lime);
}

.page-faq .faq-hero__text {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__panel {
  padding: 20px;
  background-color: rgba(7, 26, 21, 0.72);
  border: 1px solid var(--line);
  border-left: 2px solid var(--aqua);
  border-radius: var(--faq-radius);
}

.page-faq .faq-hero__panelLabel {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-faq .faq-quick__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--paper-70);
  transition: color var(--step) var(--ease), transform var(--step) var(--ease);
}

.page-faq .faq-quick__item:last-child .faq-quick__link {
  border-bottom: 0;
}

.page-faq .faq-quick__link:hover {
  color: var(--lime);
  transform: translateX(3px);
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--aqua);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 32px;
  padding: 40px 0 72px;
}

.page-faq .faq-index {
  border-top: 1px solid var(--line-strong);
  padding-top: 12px;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  font-size: 14px;
  color: var(--paper-70);
  white-space: nowrap;
  transition: border-color var(--step) var(--ease), color var(--step) var(--ease), background-color var(--step) var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--ink);
  background-color: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--aqua);
}

.page-faq .faq-index__link:hover .faq-index__num {
  color: var(--ink);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-chapter + .faq-chapter {
  margin-top: 64px;
  padding-top: 44px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-faq .faq-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 64px);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}

.page-faq .faq-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-chapter__sub {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 18px;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: transform var(--step) var(--ease), border-color var(--step) var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 34px;
  height: 2px;
  background-color: var(--lime);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-step__title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-70);
}

.page-faq .faq-step__link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--aqua);
}

.page-faq .faq-step__link:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
  padding: 10px;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-faq .faq-figure--support .faq-figure__img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure__caption {
  margin: 10px 2px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  margin-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-q__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  transition: color var(--step) var(--ease);
}

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

.page-faq .faq-q__summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
}

.page-faq .faq-q[open] .faq-q__summary::after {
  content: "\2212";
}

.page-faq .faq-q__summary:hover {
  color: var(--lime);
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--aqua);
}

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

.page-faq .faq-q__body {
  padding: 0 0 20px 32px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
}

.page-faq .faq-q__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 分隔提示 ---------- */
.page-faq .faq-note {
  margin: 64px 0;
  padding: 28px 22px;
  border-left: 2px solid var(--amber);
  background: linear-gradient(100deg, rgba(255, 200, 87, 0.09), transparent 70%);
}

.page-faq .faq-note__text {
  margin: 0;
  max-width: 26em;
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 24px);
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 权益分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-group {
  padding: 18px;
  background-color: var(--ink-3);
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  transition: transform var(--step) var(--ease), border-color var(--step) var(--ease);
}

.page-faq .faq-group:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-faq .faq-group__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-group__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-group__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-70);
}

/* ---------- 周五节奏 ---------- */
.page-faq .faq-friday {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-friday__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background-color: var(--ink-2);
  border-left: 2px solid var(--lime);
}

.page-faq .faq-friday__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-friday__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-70);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-faq .faq-contact__info {
  padding: 20px;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-contact__templates {
  padding: 20px;
  background-color: var(--deep-ink);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-contact__templatesLabel {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-code {
  margin: 0;
  padding: 16px;
  background-color: #04120D;
  border-left: 3px solid var(--aqua);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--paper-70);
  white-space: pre-wrap;
  overflow-x: auto;
}

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

/* ---------- 结尾 ---------- */
.page-faq .faq-next {
  background: linear-gradient(120deg, var(--orange) 0%, #FFA15E 100%);
  color: var(--deep-ink);
  padding: 40px 0 44px;
}

.page-faq .faq-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--deep-ink);
}

.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-next__link {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid rgba(7, 26, 21, 0.45);
  border-radius: var(--faq-radius);
  font-size: 14px;
  color: var(--deep-ink);
  transition: background-color var(--step) var(--ease), color var(--step) var(--ease);
}

.page-faq .faq-next__link:hover {
  background-color: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 28px 0 72px;
  }

  .page-faq .faq-hero__grid {
    margin-top: 36px;
    gap: 40px;
  }

  .page-faq .faq-hero__text {
    font-size: 17px;
  }

  .page-faq .faq-hero__panel {
    padding: 24px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-friday {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-friday__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-faq .faq-body {
    padding: 56px 0 88px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 56px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding-top: 14px;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    flex: initial;
  }

  .page-faq .faq-index__link {
    padding: 10px 0;
    border: 0;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
    font-size: 14px;
    white-space: normal;
  }

  .page-faq .faq-index__link:hover {
    background-color: transparent;
    color: var(--lime);
    border-bottom-color: var(--lime);
  }

  .page-faq .faq-index__link:hover .faq-index__num {
    color: var(--lime);
  }

  .page-faq .faq-q__body {
    padding-left: 40px;
    max-width: 46em;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-note {
    margin: 96px 0;
    padding: 40px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__link,
  .page-faq .faq-step,
  .page-faq .faq-group,
  .page-faq .faq-q__summary,
  .page-faq .faq-next__link,
  .page-faq .faq-index__link {
    transition: none;
  }

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