.page-faq {
  background: var(--sand);
  color: var(--ink);
  overflow-x: clip;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--sand);
  border-bottom: 2px solid var(--line);
  padding: 24px 0 48px;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -60% auto;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at 32% 32%, color-mix(in srgb, var(--gold) 26%, transparent), transparent 68%);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(135deg, transparent 0 30px, color-mix(in srgb, var(--line) 9%, transparent) 30px 32px);
  opacity: .55;
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__kicker {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: .02em;
  font-weight: 800;
  max-width: 16ch;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.85;
  color: color-mix(in srgb, var(--ink) 84%, var(--sand));
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 26px;
}
.page-faq .faq-hero__pill {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 2px solid var(--line);
  background: var(--pale);
  font-size: 14px;
  box-shadow: 4px 4px 0 0 color-mix(in srgb, var(--line) 45%, transparent);
}
.page-faq .faq-hero__pill b {
  color: var(--teal);
  font-weight: 700;
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.page-faq .faq-wrap--tail {
  padding-top: 8px;
  padding-bottom: 56px;
}

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

/* 侧栏目录 */
.page-faq .faq-side {
  display: none;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: 36px 0 40px;
  border-bottom: 2px solid color-mix(in srgb, var(--line) 38%, transparent);
  scroll-margin-top: calc(var(--topbar-h) + 64px);
}
.page-faq .faq-section--last {
  border-bottom: 0;
  padding-bottom: 24px;
}
.page-faq .faq-section .section-head__title {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
}
.page-faq .faq-section .section-head__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--poplar);
  text-transform: uppercase;
}
.page-faq .faq-section__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  max-width: 60ch;
  color: color-mix(in srgb, var(--ink) 80%, var(--sand));
}
.page-faq .faq-section__text {
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.85;
  max-width: 62ch;
  color: color-mix(in srgb, var(--ink) 80%, var(--sand));
}
.page-faq .faq-section__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  font-size: 14px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--ink) 76%, var(--sand));
}
.page-faq .faq-section__act {
  margin: 26px 0 0;
}

/* ---------- 01 快速上手 ---------- */
.page-faq .faq-start {
  margin-top: 26px;
  display: grid;
  gap: 24px;
}
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: faqstep;
}
.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding: 18px 18px 20px;
  background: var(--pale);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-step__num {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--gold);
  color: var(--ink);
  border: 2px solid var(--line);
  font-size: 20px;
  font-weight: 700;
}
.page-faq .faq-step__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .01em;
}
.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--ink) 78%, var(--sand));
}
.page-faq .faq-start__media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--pale);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-faq .faq-start__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

/* ---------- 02 归档 ---------- */
.page-faq .faq-arc {
  margin-top: 24px;
  border: 2px solid var(--line);
  background: var(--pale);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-arc__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.page-faq .faq-arc__tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--line);
}
.page-faq .faq-arc__tab {
  flex: 1 1 auto;
  min-width: 92px;
  text-align: center;
  padding: 12px 10px;
  border-right: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: color-mix(in srgb, var(--ink) 72%, var(--sand));
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease);
}
.page-faq .faq-arc__tab:last-child {
  border-right: 0;
}
.page-faq .faq-arc__tab:hover {
  background: color-mix(in srgb, var(--gold) 26%, var(--pale));
  color: var(--ink);
}
.page-faq #arc-f-all:checked ~ .faq-arc__tabs label[for="arc-f-all"],
.page-faq #arc-f-ok:checked ~ .faq-arc__tabs label[for="arc-f-ok"],
.page-faq #arc-f-live:checked ~ .faq-arc__tabs label[for="arc-f-live"] {
  background: var(--teal);
  color: var(--pale);
  font-weight: 700;
}
.page-faq #arc-f-ok:checked ~ .faq-arc__list .faq-arc__item:not(.is-ok),
.page-faq #arc-f-live:checked ~ .faq-arc__list .faq-arc__item:not(.is-live) {
  display: none;
}
.page-faq .faq-arc__list {
  display: flex;
  flex-direction: column;
}
.page-faq .faq-arc__item {
  border-bottom: 1px solid color-mix(in srgb, var(--line) 34%, transparent);
}
.page-faq .faq-arc__item:last-child {
  border-bottom: 0;
}
.page-faq .faq-arc__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  transition: background .22s var(--ease);
}
.page-faq .faq-arc__row::-webkit-details-marker {
  display: none;
}
.page-faq .faq-arc__row::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.page-faq .faq-arc__item[open] .faq-arc__row::after {
  content: "–";
}
.page-faq .faq-arc__row:hover {
  background: color-mix(in srgb, var(--gold) 18%, var(--pale));
}
.page-faq .faq-arc__item[open] .faq-arc__row {
  background: color-mix(in srgb, var(--teal) 12%, var(--pale));
}
.page-faq .faq-arc__date {
  font-size: 13px;
  color: var(--teal);
  letter-spacing: .04em;
  flex: 0 0 auto;
}
.page-faq .faq-arc__name {
  flex: 1 1 180px;
  font-weight: 600;
  min-width: 0;
}
.page-faq .faq-arc__src {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: color-mix(in srgb, var(--ink) 58%, var(--sand));
}
.page-faq .faq-arc__row .tag {
  margin-left: auto;
  flex: 0 0 auto;
}
.page-faq .faq-arc__panel {
  padding: 2px 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--ink) 78%, var(--sand));
}
.page-faq .faq-arc__panel p {
  margin: 0 0 10px;
}
.page-faq .faq-arc__link {
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  font-size: 14px;
}
.page-faq .faq-arc__link:hover {
  color: var(--poplar);
}
.page-faq .faq-arc__figure {
  margin: 24px 0 0;
  border: 2px solid var(--line);
  overflow: hidden;
  background: var(--pale);
}
.page-faq .faq-arc__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 6;
}

/* ---------- 03 平板 ---------- */
.page-faq .faq-duo {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}
.page-faq .faq-duo__card {
  padding: 22px 20px 24px;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-duo__card--teal {
  background: var(--teal);
  color: var(--pale);
}
.page-faq .faq-duo__card--gold {
  background: var(--pale);
  color: var(--ink);
}
.page-faq .faq-duo__idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.page-faq .faq-duo__card--teal .faq-duo__idx {
  color: var(--cyan);
}
.page-faq .faq-duo__card--gold .faq-duo__idx {
  color: var(--poplar);
}
.page-faq .faq-duo__title {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.35;
}
.page-faq .faq-duo__card--gold .faq-duo__title {
  color: var(--ink);
}
.page-faq .faq-duo__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}
.page-faq .faq-duo__card--teal .faq-duo__text {
  color: color-mix(in srgb, var(--pale) 86%, var(--teal));
}
.page-faq .faq-duo__card--gold .faq-duo__text {
  color: color-mix(in srgb, var(--ink) 80%, var(--sand));
}

/* ---------- 04 版本 ---------- */
.page-faq .faq-check {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 16px;
  padding: 18px 18px 20px;
  border: 2px solid var(--line);
  background: color-mix(in srgb, var(--pale) 70%, var(--sand));
  border-left: 6px solid var(--teal);
}
.page-faq .faq-check__dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--teal);
  color: var(--teal);
  font-weight: 700;
  font-size: 15px;
  background: var(--pale);
}
.page-faq .faq-check__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.4;
}
.page-faq .faq-check__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--ink) 78%, var(--sand));
}

/* ---------- 05 深色问答 ---------- */
.page-faq .faq-dark {
  position: relative;
  background: var(--teal);
  color: var(--pale);
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  padding: 56px 0 60px;
  margin-top: 20px;
}
.page-faq .faq-dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: var(--sand);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}
.page-faq .faq-dark .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-dark__head {
  max-width: 68ch;
}
.page-faq .faq-dark__head .section-head__title {
  color: var(--gold);
  font-size: clamp(24px, 3.4vw, 34px);
  margin: 8px 0 14px;
}
.page-faq .faq-dark__head .section-head__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-faq .faq-dark__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: color-mix(in srgb, var(--pale) 82%, var(--teal));
}

.page-faq .faq-search {
  margin: 26px 0 34px;
}
.page-faq .faq-search__input {
  width: 100%;
  max-width: 560px;
  padding: 13px 16px;
  background: color-mix(in srgb, var(--gobi) 60%, var(--teal));
  border: 2px solid var(--gold);
  color: var(--pale);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}
.page-faq .faq-search__input::placeholder {
  color: color-mix(in srgb, var(--pale) 55%, var(--teal));
}
.page-faq .faq-search__input:focus {
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 0 color-mix(in srgb, var(--gold) 40%, transparent);
}

.page-faq .faq-group {
  padding-top: 26px;
  margin-top: 26px;
  border-top: 2px dashed color-mix(in srgb, var(--gold) 40%, transparent);
  scroll-margin-top: calc(var(--topbar-h) + 64px);
}
.page-faq .faq-group:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}
.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  font-size: 21px;
  color: var(--pale);
}
.page-faq .faq-group__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--gold);
  color: var(--gobi);
  border: 2px solid var(--gobi);
  font-size: 15px;
  font-weight: 700;
  flex: 0 0 auto;
}
.page-faq .faq-group__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cyan);
  padding-left: 46px;
}

.page-faq .faq-q {
  border: 2px solid color-mix(in srgb, var(--gold) 52%, transparent);
  background: color-mix(in srgb, var(--gobi) 42%, var(--teal));
  margin-bottom: 10px;
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}
.page-faq .faq-q:hover {
  border-color: var(--gold);
}
.page-faq .faq-q[open] {
  border-color: var(--cyan);
}
.page-faq .faq-q__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--pale);
}
.page-faq .faq-q__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q__mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
.page-faq .faq-q[open] .faq-q__mark {
  background: var(--gold);
  color: var(--gobi);
}
.page-faq .faq-q__a {
  padding: 0 18px 16px 52px;
  font-size: 15px;
  line-height: 1.85;
  color: color-mix(in srgb, var(--pale) 84%, var(--teal));
}
.page-faq .faq-q__a p {
  margin: 0;
}

/* ---------- 06 联系 ---------- */
.page-faq .faq-prepare {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-prepare__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  background: var(--pale);
  font-size: 15px;
  line-height: 1.7;
}
.page-faq .faq-prepare__item .mono {
  color: var(--teal);
  font-weight: 700;
  font-size: 14px;
  flex: 0 0 auto;
}
.page-faq .faq-contact-line {
  margin-top: 24px;
  padding: 20px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--poplar);
  background: color-mix(in srgb, var(--pale) 76%, var(--sand));
}
.page-faq .faq-contact-line__item {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.6;
  word-break: break-all;
}
.page-faq .faq-contact-line__item .mono {
  display: inline-block;
  min-width: 42px;
  margin-right: 12px;
  color: var(--teal);
  font-size: 13px;
  letter-spacing: .08em;
}
.page-faq .faq-contact-line__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--line) 40%, transparent);
  font-size: 14px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--ink) 74%, var(--sand));
}

/* ---------- 中型屏 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 32px 0 56px;
  }
  .page-faq .faq-duo {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-section__lead,
  .page-faq .faq-section__text {
    font-size: 17px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-wrap {
    grid-template-columns: 210px minmax(0, 1fr);
    column-gap: 52px;
    padding-inline: 32px;
  }
  .page-faq .faq-wrap--tail {
    grid-template-columns: 210px minmax(0, 1fr);
  }
  .page-faq .faq-wrap--tail .faq-body {
    grid-column: 2;
  }

  .page-faq .faq-side {
    display: block;
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    align-self: start;
    padding: 42px 0 40px;
  }
  .page-faq .faq-side__title {
    margin: 0 0 14px;
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--poplar);
  }
  .page-faq .faq-side__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
  }
  .page-faq .faq-side__link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 9px 12px 9px 14px;
    border-left: 3px solid color-mix(in srgb, var(--line) 42%, transparent);
    font-size: 14px;
    line-height: 1.5;
    color: color-mix(in srgb, var(--ink) 68%, var(--sand));
    text-decoration: none;
    transition: color .22s var(--ease), border-color .22s var(--ease), padding-left .22s var(--ease);
  }
  .page-faq .faq-side__link .mono {
    font-size: 12px;
    color: var(--poplar);
    letter-spacing: .08em;
  }
  .page-faq .faq-side__link:hover {
    color: var(--ink);
    border-left-color: var(--gold);
    padding-left: 20px;
  }
  .page-faq .faq-side__link[aria-current="true"] {
    color: var(--ink);
    font-weight: 700;
    border-left-color: var(--teal);
    border-left-width: 5px;
    padding-left: 20px;
    background: color-mix(in srgb, var(--gold) 20%, var(--sand));
  }
  .page-faq .faq-side__link[aria-current="true"] .mono {
    color: var(--teal);
  }

  .page-faq .faq-start {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 32px;
    align-items: start;
  }
  .page-faq .faq-arc__row {
    font-size: 15px;
  }
  .page-faq .faq-q__q {
    font-size: 17px;
  }
  .page-faq .faq-group {
    padding-top: 30px;
    margin-top: 30px;
  }
  .page-faq .faq-dark {
    padding: 64px 0 72px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-wrap {
    column-gap: 64px;
  }
  .page-faq .faq-start {
    grid-template-columns: minmax(0, 1fr) 440px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-arc__tab,
  .page-faq .faq-arc__row,
  .page-faq .faq-side__link,
  .page-faq .faq-q {
    transition: none;
  }
}