.page-faq {
  --faq-gap: 20px;
  --faq-line: rgba(47, 227, 210, 0.28);
}

.page-faq .gkk-breadcrumb {
  padding: 28px 0 8px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 24px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: -12%;
  width: 58%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 16ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-faq .faq-hero__side {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--ink-800);
}

.page-faq .faq-stat__num {
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-stat__label {
  color: var(--muted);
  font-size: 11px;
}

.page-faq .faq-hero__note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 14px;
  background: var(--ink-700);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节通用微调 ---------- */
.page-faq .faq-head-line {
  width: 72px;
  height: 1px;
  margin: 14px 0 18px;
  background: var(--line);
}

.page-faq .gkk-section__title {
  font-size: 26px;
}

.page-faq .gkk-section__lead {
  max-width: 38ch;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-figure {
  margin: 0 0 28px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px 18px;
  background: var(--ink-800);
  position: relative;
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan-dim);
  opacity: 0.5;
}

.page-faq .faq-steps__n {
  font-size: 20px;
  color: var(--cyan);
  line-height: 1.2;
}

.page-faq .faq-steps__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-steps__body p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-steps__hint {
  color: var(--gold) !important;
  font-size: 13px !important;
}

/* ---------- 线路切换 ---------- */
.page-faq .faq-switch {
  display: grid;
  gap: 24px;
}

.page-faq .faq-switch__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-faq .faq-switch__item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0 14px 4px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-faq .faq-switch__item::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 22px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-switch__n {
  color: var(--cyan);
  font-size: 14px;
}

.page-faq .faq-switch__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

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

.page-faq .faq-switch__side {
  display: grid;
  gap: 18px;
}

.page-faq .faq-switch__card {
  padding: 18px;
  border-radius: var(--radius);
}

.page-faq .faq-branch {
  width: 100%;
  height: auto;
}

.page-faq .faq-branch__line {
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-faq .faq-branch__line--live {
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-faq .faq-branch__line--spare {
  stroke: var(--gold);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.page-faq .faq-branch__node {
  fill: var(--ink-700);
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-faq .faq-branch__node--active {
  fill: var(--cyan);
  stroke: var(--cyan);
}

.page-faq .faq-branch__node--spare {
  fill: var(--ink-700);
  stroke: var(--gold);
}

.page-faq .faq-branch__label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.page-faq .faq-switch__cap {
  margin: 10px 0 0;
  color: var(--muted);
}

.page-faq .faq-media-phone {
  margin: 0;
}

/* ---------- 显示与适配 ---------- */
.page-faq .faq-display {
  align-items: start;
}

.page-faq .faq-display .gkk-panel + .gkk-panel {
  margin-top: var(--faq-gap);
}

.page-faq .faq-scope {
  padding: 20px 18px;
  border-radius: var(--radius);
}

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

.page-faq .faq-scope__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-scope__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .faq-scope__list .gkk-num {
  color: var(--gold);
  font-size: 16px;
  min-width: 52px;
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc .gkk-acc__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  margin-bottom: 10px;
  overflow: hidden;
}

.page-faq .faq-acc .gkk-acc__btn {
  display: grid;
  grid-template-columns: 44px 1fr 20px;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 16px 16px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--text);
}

.page-faq .faq-acc__n {
  color: var(--cyan);
  font-size: 14px;
}

.page-faq .faq-acc__t {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
}

.page-faq .faq-acc__sign {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .faq-acc__sign::before,
.page-faq .faq-acc__sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 240ms var(--ease);
}

.page-faq .faq-acc__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-acc__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .gkk-acc__btn[aria-expanded="true"] .faq-acc__sign::after {
  transform: scaleY(0);
}

.page-faq .gkk-acc__btn[aria-expanded="true"] .faq-acc__t {
  color: var(--cyan);
}

.page-faq .faq-acc .gkk-acc__panel {
  padding: 0 16px 18px 70px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-acc .gkk-acc__panel p {
  margin: 0 0 10px;
}

.page-faq .faq-acc .gkk-acc__panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 标签页 ---------- */
.page-faq .gkk-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .gkk-tab {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-800);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .gkk-tab[aria-selected="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(47, 227, 210, 0.08);
}

.page-faq .gkk-tabpanel {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-dim);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-faq .faq-panel__first {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}

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

.page-faq .faq-check li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan-dim);
  border-radius: 2px;
}

.page-faq .faq-tabs__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 联系与后续 ---------- */
.page-faq .faq-maillist {
  margin: 0 0 14px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-maillist li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-channel {
  padding: 20px 18px;
  border-radius: var(--radius);
  height: 100%;
}

.page-faq .faq-channel__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.page-faq .faq-channel__item .gkk-contact__val {
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-channel__item .gkk-copy {
  padding: 6px 12px;
  border: 1px solid var(--cyan-dim);
  border-radius: 999px;
  background: none;
  color: var(--cyan);
  font-size: 12px;
  cursor: pointer;
}

.page-faq .faq-channel__time {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-channel__link {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-next {
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-next__label {
  margin: 0 0 14px;
  color: var(--muted);
}

.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 36px;
    padding: 32px 0 52px;
  }

  .page-faq .faq-hero__title {
    font-size: 46px;
  }

  .page-faq .gkk-section__title {
    font-size: 34px;
  }

  .page-faq .faq-switch {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-acc .gkk-acc__btn {
    padding: 18px 20px;
  }

  .page-faq .faq-acc .gkk-acc__panel {
    padding: 0 20px 20px 80px;
  }

  .page-faq .gkk-tabpanel {
    padding: 26px 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: 8fr 4fr;
    gap: 48px;
    padding-bottom: 64px;
  }

  .page-faq .faq-hero__title {
    font-size: 56px;
    max-width: 14ch;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

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

  .page-faq .faq-steps__item {
    grid-template-columns: 1fr;
    gap: 12px;
    border-right: 1px solid var(--line);
  }

  .page-faq .faq-steps__item:last-child {
    border-right: none;
  }

  .page-faq .faq-switch {
    grid-template-columns: 6fr 6fr;
  }

  .page-faq .faq-next__links {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-acc__sign::before,
  .page-faq .faq-acc__sign::after,
  .page-faq .gkk-tab {
    transition: none;
  }
}