.page-faq {
  --faq-rail: 232px;
  --faq-hair: rgba(216, 207, 186, .18);
  --faq-hair-soft: rgba(216, 207, 186, .12);
  --faq-panel: linear-gradient(180deg, rgba(14, 46, 40, .9), rgba(8, 32, 28, .95));
  background:
    radial-gradient(880px 600px at 10% -6%, rgba(53, 232, 198, .10), transparent 62%),
    radial-gradient(720px 520px at 98% 8%, rgba(154, 107, 255, .09), transparent 66%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

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

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

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 64px) 0 clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__kicker {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.2;
  letter-spacing: -.012em;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--faq-hair);
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-hero__meta span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  margin-right: 8px;
}

@media (min-width: 760px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 自检三步 ---------- */

.page-faq .faq-check-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
}

@media (min-width: 960px) {
  .page-faq .faq-check-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-faq .faq-check__item {
  position: relative;
  padding: 20px 20px 20px 76px;
  border: 1px solid var(--faq-hair);
  border-left: 2px solid rgba(53, 232, 198, .45);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
  transition: border-color .25s ease, transform .25s ease;
}

.page-faq .faq-check__item:hover {
  border-color: rgba(53, 232, 198, .4);
  border-left-color: var(--cyan);
}

.page-faq .faq-check__num {
  position: absolute;
  left: 20px;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(53, 232, 198, .35);
}

.page-faq .faq-check__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-check__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-check__figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(216, 207, 186, .07), rgba(216, 207, 186, .01));
}

.page-faq .faq-check__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 8;
  object-fit: cover;
  border-radius: var(--radius-m);
}

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

/* ---------- 手册式分组问答 ---------- */

.page-faq .faq-manual {
  display: grid;
  gap: 26px;
  margin-top: clamp(24px, 4vw, 44px);
}

@media (min-width: 1024px) {
  .page-faq .faq-manual {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

.page-faq .faq-toc {
  padding: 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
}

@media (min-width: 1024px) {
  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
    padding: 20px 18px;
  }
}

.page-faq .faq-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--teal);
}

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

.page-faq .faq-toc__list::-webkit-scrollbar {
  display: none;
}

@media (min-width: 1024px) {
  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-s);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

@media (min-width: 1024px) {
  .page-faq .faq-toc__list a {
    white-space: normal;
  }
}

.page-faq .faq-toc__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  background: rgba(53, 232, 198, .08);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: clamp(30px, 4vw, 46px);
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 5px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--cyan);
}

.page-faq .faq-group:target .faq-group__head {
  border-bottom-color: rgba(53, 232, 198, .4);
}

.page-faq .faq-group__body {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-s);
  background: linear-gradient(180deg, rgba(14, 46, 40, .68), rgba(8, 32, 28, .72));
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(216, 207, 186, .34);
}

.page-faq .faq-item[open] {
  border-color: rgba(53, 232, 198, .42);
  background: linear-gradient(180deg, rgba(14, 46, 40, .96), rgba(8, 32, 28, .96));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
}

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

.page-faq .faq-item__q::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__q::before {
  content: "−";
  color: var(--amber);
}

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

.page-faq .faq-item__a {
  padding: 14px 18px 16px 44px;
  border-top: 1px dashed var(--faq-hair-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .faq-item__a a {
  text-decoration: underline;
  text-decoration-color: rgba(53, 232, 198, .45);
}

@media (max-width: 560px) {
  .page-faq .faq-item__a {
    padding-left: 16px;
  }
}

.page-faq .faq-group__figure {
  margin: 18px 0 0;
  padding: 10px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  background: rgba(4, 18, 15, .42);
}

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--radius-s);
}

.page-faq .faq-group__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 卡点对照表 ---------- */

.page-faq .faq-fix-section {
  scroll-margin-top: 104px;
}

.page-faq .faq-fix__wrap {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-fix__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-fix__table th[scope="col"] {
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
  color: var(--mist);
}

.page-faq .faq-fix__table th[scope="row"] {
  padding: 15px 16px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.65;
  text-align: left;
  color: var(--amber);
  vertical-align: top;
}

.page-faq .faq-fix__table td {
  padding: 15px 16px;
  border-bottom: 1px dashed var(--faq-hair-soft);
  line-height: 1.75;
  color: var(--mist);
  vertical-align: top;
}

.page-faq .faq-fix__table tbody tr:last-child th,
.page-faq .faq-fix__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-fix__table tbody tr:hover {
  background: rgba(53, 232, 198, .06);
}

.page-faq .faq-fix__table td:last-child {
  color: var(--paper);
}

.page-faq .faq-fix__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 纠错与反馈 ---------- */

.page-faq .faq-feedback-section {
  scroll-margin-top: 104px;
}

.page-faq .faq-feedback__panel {
  display: grid;
  gap: 26px;
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background:
    radial-gradient(620px 320px at 90% 0%, rgba(154, 107, 255, .15), transparent 72%),
    var(--faq-panel);
}

@media (min-width: 900px) {
  .page-faq .faq-feedback__panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: clamp(30px, 4vw, 56px);
  }
}

.page-faq .faq-feedback__body h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-feedback__intro {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-feedback__steps {
  counter-reset: fbstep;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-feedback__steps li {
  counter-increment: fbstep;
  position: relative;
  padding-left: 48px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-feedback__steps li::before {
  content: counter(fbstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 2px 6px;
  border: 1px solid rgba(154, 107, 255, .45);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--violet);
}

.page-faq .faq-feedback__steps strong {
  color: var(--paper);
}

.page-faq .faq-feedback__aside {
  align-self: start;
  padding-left: 18px;
  border-left: 2px solid rgba(233, 180, 76, .5);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-feedback__aside p {
  margin: 0 0 12px;
}

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

.page-faq .faq-feedback__aside-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}

/* ---------- 人工支持 ---------- */

.page-faq .faq-support {
  scroll-margin-top: 104px;
  padding-bottom: clamp(40px, 6vw, 90px);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 780px) {
  .page-faq .faq-support__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-support__card {
  display: grid;
  gap: 10px;
  padding: 24px 22px 22px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
  transition: border-color .25s ease;
}

.page-faq .faq-support__card:hover {
  border-color: rgba(53, 232, 198, .4);
}

.page-faq .faq-support__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-faq .faq-support__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-support__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-support__card .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-faq .faq-support__foot {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--faq-hair);
}

.page-faq .faq-support__foot p {
  margin: 0;
  max-width: 76ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}