.page-faq {
  --faq-cut: 14px;
  --faq-cut-lg: 24px;
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

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

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(88px, 13vw, 148px) clamp(44px, 6vw, 76px);
  background:
    radial-gradient(115% 85% at 88% -10%, rgba(61, 245, 200, 0.16), transparent 62%),
    linear-gradient(178deg, var(--ink-950) 0%, var(--ink-900) 62%, var(--ink-800) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  opacity: 0.7;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  width: clamp(90px, 18vw, 220px);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 12px);
  opacity: 0.85;
}

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

.page-faq .breadcrumb {
  margin-block-end: clamp(26px, 4vw, 44px);
}

.page-faq .breadcrumb__link,
.page-faq .breadcrumb__sep,
.page-faq .breadcrumb__current {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .breadcrumb__link {
  color: var(--text-dim);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-faq .breadcrumb__sep {
  color: var(--line);
  margin-inline: 8px;
}

.page-faq .breadcrumb__current {
  color: var(--orange);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 33em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 30px;
}

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

.page-faq .faq-hero__figure .figure__frame {
  clip-path: polygon(0 0, calc(100% - var(--faq-cut-lg)) 0, 100% var(--faq-cut-lg), 100% 100%, var(--faq-cut-lg) 100%, 0 calc(100% - var(--faq-cut-lg)));
  border: 1px solid rgba(61, 245, 200, 0.35);
  background: var(--ink-950);
  overflow: hidden;
}

.page-faq .faq-hero__figure .figure__img,
.page-faq .faq-vfigure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-hero__figure .figure__caption {
  margin-block-start: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-mute);
}

/* ---------- 分类抽屉 ---------- */
.page-faq .faq-cats {
  padding-block: clamp(52px, 7vw, 84px);
  background: var(--ink-900);
}

.page-faq .section__head {
  margin-block-end: clamp(24px, 3vw, 38px);
}

.page-faq .section__index {
  display: inline-block;
  margin-block-end: 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .section__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .section__lead {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-drawers {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(216px, 76%);
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block-end: 10px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-drawer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-snap-align: start;
  position: relative;
  padding: 20px 18px 18px;
  text-decoration: none;
  background: var(--ink-800);
  border-top: 2px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: background 220ms var(--ease), border-color 220ms var(--ease);
}

.page-faq .faq-drawer:hover,
.page-faq .faq-drawer:focus-visible {
  background: var(--ink-700);
  border-top-color: var(--orange);
}

.page-faq .faq-drawer__num {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-drawer__name {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-drawer__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-faq .faq-drawer__go {
  margin-block-start: auto;
  padding-block-start: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding-block: clamp(52px, 7vw, 88px);
  background: var(--ink-900);
}

.page-faq .faq-block.section--band {
  background: var(--ink-800);
  border-block: 1px solid var(--line);
}

.page-faq .faq-qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-block: 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.55;
  color: var(--paper);
  transition: color 180ms var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: color 180ms var(--ease);
}

.page-faq .qa__q:hover {
  color: var(--cyan-soft);
}

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

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .qa__qtext {
  min-width: 0;
}

.page-faq .qa__body {
  padding: 0 0 22px;
  padding-inline-start: 0;
}

.page-faq .qa__body p {
  margin: 0 0 12px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .qa__note {
  margin-block-start: 12px;
  padding-inline-start: 12px;
  border-inline-start: 2px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-faq .qa__inline {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.45);
}

.page-faq .qa__inline:hover {
  border-bottom-color: var(--orange);
}

.page-faq .qa__steps {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .qa__step-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 2px 0;
  text-align: center;
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-sub {
  padding-block: clamp(26px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-sub__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-sub__lead {
  margin: 10px 0 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-faq .faq-vfigure {
  margin: 0 0 24px;
}

.page-faq .faq-vfigure .figure__frame {
  border: 1px solid var(--line);
  background: var(--ink-950);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut-lg)), calc(100% - var(--faq-cut-lg)) 100%, 0 100%);
  overflow: hidden;
}

.page-faq .faq-vfigure .figure__caption {
  margin-block-start: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-mute);
}

.page-faq .faq-vmap {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin-block-end: 26px;
}

.page-faq .faq-vmap__col rect:first-child {
  fill: var(--line);
}

.page-faq .faq-vmap__col rect:not(:first-child) {
  fill: var(--ink-700);
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .faq-vmap__col--now rect:not(:first-child) {
  fill: rgba(61, 245, 200, 0.14);
  stroke: var(--cyan);
}

.page-faq .faq-vmap__label {
  fill: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-faq .faq-vmap__col--now .faq-vmap__label {
  fill: var(--cyan);
}

.page-faq .faq-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.6;
}

.page-faq .faq-table__cap {
  caption-side: top;
  padding: 12px 14px;
  text-align: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 12px 14px;
  text-align: start;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
  background: var(--ink-700);
  border-bottom: 1px solid var(--cyan-soft);
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

.page-faq .faq-table td:not(.is-now) {
  opacity: 0.72;
}

.page-faq .faq-table td.is-now {
  color: var(--paper);
  background: rgba(61, 245, 200, 0.07);
}

.page-faq .faq-table thead th.is-now {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 反馈类型 ---------- */
.page-faq .faq-kinds {
  display: grid;
  gap: 12px;
  margin-block-end: 30px;
  grid-template-columns: 1fr;
}

.page-faq .faq-kind {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  background: var(--ink-800);
  border-inline-start: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-kind:first-child {
  border-inline-start-color: var(--orange);
}

.page-faq .faq-kind .chip {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
}

.page-faq .faq-kind__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 帮助收束 ---------- */
.page-faq .faq-help {
  padding-block: clamp(52px, 7vw, 92px) clamp(64px, 9vw, 110px);
  background:
    radial-gradient(95% 120% at 100% 0%, rgba(255, 122, 47, 0.14), transparent 58%),
    var(--ink-950);
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__card {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  grid-template-columns: 1fr;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(155deg, var(--ink-700) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
  border: 1px solid rgba(255, 122, 47, 0.42);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut-lg)) 0, 100% var(--faq-cut-lg), 100% 100%, var(--faq-cut-lg) 100%, 0 calc(100% - var(--faq-cut-lg)));
}

.page-faq .faq-help__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-help__lead {
  margin: 16px 0 26px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-contact__key {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-kinds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 110px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .qa__body {
    padding-inline-start: 56px;
  }

  .page-faq .faq-drawers {
    grid-auto-columns: minmax(240px, 34%);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
  }

  .page-faq .faq-drawers {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow-x: visible;
    padding-block-end: 0;
  }

  .page-faq .faq-help__card {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-faq .faq-sub {
    padding-block: 40px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    max-width: 12em;
  }

  .page-faq .qa__q {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-drawer,
  .page-faq .qa__q,
  .page-faq .qa__q::after {
    transition: none;
  }
}