.page-faq {
  --faq-nav-h: 168px;
  --faq-edge: rgba(143, 167, 154, .24);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .breadcrumbs {
  padding-block: 18px 6px;
}

/* ---------- Hero ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 5vw, 56px) clamp(40px, 6vw, 76px);
  border-bottom: var(--edge);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(120% 85% at 10% 0%, rgba(198, 255, 79, .16), transparent 60%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(143, 167, 154, .1) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(143, 167, 154, .1) 0 1px, transparent 1px 64px);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 82%);
  mask-image: linear-gradient(180deg, #000, transparent 82%);
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}

.page-faq .faq-hero__head h1 {
  margin: 14px 0 18px;
  font-size: clamp(2.1rem, 5.6vw, 4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 18ch;
}

.page-faq .faq-hero__head .lede {
  max-width: 46ch;
  color: rgba(242, 233, 216, .86);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

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

.page-faq .faq-hero__media .media-frame {
  transform: rotate(-1.1deg);
}

.page-faq .faq-hero__vnote {
  position: absolute;
  right: -6px;
  bottom: 14px;
  color: var(--gray);
}

/* ---------- 检索控制台 ---------- */

.page-faq .faq-console-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 10, 10, .97);
  border-bottom: var(--edge);
}

.page-faq .faq-console {
  padding-block: 14px;
}

.page-faq .faq-console__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-console__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(198, 255, 79, .2);
}

.page-faq .faq-console__title {
  color: var(--neon);
  font-weight: 700;
}

.page-faq .faq-console__hint {
  margin-left: auto;
  letter-spacing: .1em;
  text-transform: none;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  background: var(--night);
  border: var(--edge);
  box-shadow: var(--shadow);
}

.page-faq .faq-search:focus-within {
  border-color: var(--neon);
  box-shadow: 6px 6px 0 rgba(198, 255, 79, .55);
}

.page-faq .faq-search__label {
  flex: none;
  padding-right: 12px;
  border-right: 1px solid var(--faq-edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--neon);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 14px 0;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(143, 167, 154, .8);
}

.page-faq .faq-search__input:focus {
  outline: none;
}

.page-faq .faq-search__input::-webkit-search-cancel-button {
  display: none;
}

.page-faq .faq-search__kbd {
  flex: none;
  padding: 3px 7px;
  border: 1px solid var(--faq-edge);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-faq .faq-chips {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  margin-top: 12px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 8px 10px;
  background: var(--ink-2);
  border: 2px solid var(--black);
  box-shadow: 3px 3px 0 var(--black);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease),
    background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-chip:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--black);
  border-color: var(--neon);
}

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--neon);
  color: var(--black);
  border-color: var(--black);
}

.page-faq .faq-chip__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: .04em;
}

.page-faq .faq-chip[aria-pressed="true"] .faq-chip__num {
  color: var(--black);
}

/* ---------- 区块标题覆写 ---------- */

.page-faq .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-faq .section__head {
  display: grid;
  gap: 8px 32px;
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .section__num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.03em;
  color: var(--neon);
}

.page-faq .section__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.5rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .section__lede {
  margin: 0;
  color: rgba(242, 233, 216, .8);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 01 三条入口 ---------- */

.page-faq .faq-routes {
  border-bottom: var(--edge);
}

.page-faq .faq-entries {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
}

.page-faq .faq-entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px 24px;
  align-items: start;
  padding-block: clamp(22px, 3.2vw, 34px);
  border-bottom: var(--rule);
  transition: background .2s var(--ease);
}

.page-faq .faq-entry:hover {
  background: rgba(18, 54, 42, .55);
}

.page-faq .faq-entry__num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gray);
  letter-spacing: -.02em;
}

.page-faq .faq-entry:hover .faq-entry__num {
  color: var(--neon);
}

.page-faq .faq-entry__body {
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-faq .faq-entry__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-entry__text {
  margin: 0;
  color: rgba(242, 233, 216, .82);
  font-size: 15.5px;
  line-height: 1.85;
}

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

.page-faq .faq-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-entry__tags li {
  padding: 4px 9px;
  border: 1px solid var(--faq-edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-faq .faq-flow {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-flow__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .faq-flow__steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__step {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: 4px 4px 0 var(--black);
  font-size: 13px;
  color: var(--paper);
}

.page-faq .faq-flow__step span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--neon);
}

.page-faq .faq-flow__step:not(:last-child)::after {
  content: "▶";
  margin-left: 4px;
  font-size: 9px;
  color: var(--gray);
}

/* ---------- 02 常见问题 ---------- */

.page-faq .faq-faq {
  position: relative;
  overflow: hidden;
  border-bottom: var(--edge);
}

.page-faq .faq-faq__texture {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-faq .faq-faq__texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .1;
  filter: saturate(.45) brightness(.7);
}

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

.page-faq .faq-groups {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
}

.page-faq .faq-group {
  padding: clamp(16px, 2.2vw, 22px);
  background: rgba(18, 54, 42, .7);
  border: var(--edge);
  box-shadow: var(--shadow);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: var(--rule);
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-faq .accordion__item + .accordion__item {
  border-top: 1px solid var(--faq-edge);
}

.page-faq .accordion__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 2px;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.65;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion__btn:hover {
  color: var(--neon);
}

.page-faq .accordion__btn[aria-expanded="true"] {
  color: var(--neon);
}

.page-faq .accordion__icon {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--neon);
  transition: transform .2s var(--ease);
}

.page-faq .accordion__btn[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
}

.page-faq .accordion__panel {
  padding: 0 2px 16px;
}

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 60ch;
  color: rgba(242, 233, 216, .84);
  font-size: 14.5px;
  line-height: 1.85;
}

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

/* ---------- 03 勘误 ---------- */

.page-faq .faq-correct {
  border-bottom: var(--edge);
}

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

.page-faq .faq-step {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: 4px 4px 0 var(--black);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--neon);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-faq .faq-step p {
  margin: 0;
  color: rgba(242, 233, 216, .8);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-correct__paper {
  margin-top: clamp(24px, 3.4vw, 40px);
  border: var(--edge);
}

.page-faq .faq-correct__lead {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--black);
}

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

.page-faq .faq-correct__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(26, 26, 24, .3);
  font-size: 14.5px;
  color: rgba(26, 26, 24, .86);
  line-height: 1.7;
}

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

.page-faq .faq-correct__list span {
  flex: none;
  min-width: 5em;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--black);
}

/* ---------- 04 人工帮助 ---------- */

.page-faq .faq-help {
  padding-block: clamp(44px, 6vw, 84px);
  background: linear-gradient(180deg, var(--ink), var(--night));
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-help__lead h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-help__lead p {
  margin: 0;
  max-width: 46ch;
  color: rgba(242, 233, 216, .8);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .faq-help__ways {
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow);
  color: var(--paper);
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-help__card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--black);
  border-color: var(--neon);
}

.page-faq .faq-help__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gray);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 1.7vw, 1.15rem);
  font-weight: 700;
  color: var(--neon);
  letter-spacing: -.01em;
  word-break: break-all;
}

.page-faq .faq-help__desc {
  font-size: 13.8px;
  line-height: 1.75;
  color: rgba(242, 233, 216, .76);
}

.page-faq .faq-help__go {
  position: absolute;
  top: clamp(14px, 2vw, 20px);
  right: clamp(16px, 2.2vw, 22px);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--neon);
}

.page-faq .faq-help__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  padding: clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
  background: var(--ink-3);
  border: var(--edge);
  border-left: 6px solid var(--neon);
}

.page-faq .faq-help__strip p {
  margin: 0;
  flex: 1 1 22ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 233, 216, .84);
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .page-faq .faq-chips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-console__hint {
    margin-left: 0;
    width: 100%;
  }

  .page-faq .faq-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .faq-entry__num {
    font-size: 1rem;
    letter-spacing: .1em;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-chip {
    font-size: 12px;
    padding: 8px 9px;
  }

  .page-faq .faq-search {
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 12px 10px;
  }

  .page-faq .faq-search__label {
    width: 100%;
    padding: 10px 0 6px;
    border-right: 0;
    border-bottom: 1px solid var(--faq-edge);
  }

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

  .page-faq .faq-flow__step:not(:last-child)::after {
    display: none;
  }

  .page-faq .faq-help__strip {
    border-left-width: 4px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-hero__vnote {
    right: -28px;
  }

  .page-faq .section__head {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 24rem);
  }

  .page-faq .faq-entry {
    grid-template-columns: 6rem minmax(0, 1fr);
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-faq .faq-group:nth-child(even) {
    margin-top: 52px;
  }

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

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

  .page-faq .faq-help__strip {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .accordion__icon,
  .page-faq .faq-help__card,
  .page-faq .faq-entry {
    transition: none;
  }

  .page-faq .faq-chip:hover,
  .page-faq .faq-help__card:hover {
    transform: none;
  }

  .page-faq .faq-hero__media .media-frame {
    transform: none;
  }
}