.page-faq {
  --faq-gap: clamp(20px, 3.4vw, 40px);
  --faq-body-text: #C9D5E6;
  background: var(--yy-night);
  color: var(--yy-text);
  font-family: var(--yy-font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(30px, 5vw, 54px);
  background:
    radial-gradient(90% 70% at 96% 2%, rgba(184, 255, 60, 0.14), transparent 62%),
    radial-gradient(70% 60% at 0% 100%, rgba(255, 90, 43, 0.13), transparent 60%),
    var(--yy-night);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yy-green) 0%, var(--yy-teal) 46%, var(--yy-orange) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-body-text);
}

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

.page-faq .faq-quick li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--yy-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-body-text);
}

.page-faq .faq-quick li p {
  margin: 0;
}

.page-faq .faq-quick__no {
  font-family: var(--yy-font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yy-green);
  padding-top: 3px;
}

.page-faq .faq-quick strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yy-text);
}

/* ---------- 分段切换 ---------- */
.page-faq .faq-body {
  padding: clamp(26px, 5vw, 54px) 0 clamp(40px, 7vw, 80px);
}

.page-faq .faq-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius-pill);
  background: rgba(19, 34, 56, 0.78);
}

.page-faq .faq-tab {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--yy-radius-pill);
  background: transparent;
  color: var(--faq-body-text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-tab:hover {
  color: var(--yy-text);
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--yy-green);
  color: #0B1526;
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--yy-teal);
  outline-offset: 2px;
}

/* ---------- 面板 ---------- */
.page-faq .faq-panel {
  margin-top: clamp(20px, 3.4vw, 34px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--yy-line);
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel__head h2 {
  margin: 0;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .faq-panel__head p {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yy-muted);
}

.page-faq .faq-panel__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-panel__split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 0;
}

.page-faq .faq-group h3 {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--yy-teal);
  font-family: var(--yy-font-serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--yy-text);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-list--spaced {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-item {
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius-card);
  background: var(--yy-layer);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(184, 255, 60, 0.45);
  background: #16283F;
}

.page-faq .faq-item__sum {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 26px;
  align-items: start;
  gap: 10px;
  min-height: 56px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--yy-text);
}

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

.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--yy-teal);
  outline-offset: -3px;
  border-radius: var(--yy-radius-card);
}

.page-faq .faq-item__no {
  font-family: var(--yy-font-num);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--yy-teal);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--yy-green);
}

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

.page-faq .faq-item__mark {
  position: relative;
  justify-self: end;
  width: 26px;
  height: 26px;
  border: 1px solid var(--yy-line);
  border-radius: 50%;
  transition: border-color 0.18s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--yy-green);
  transform: translate(-50%, -50%);
  transition: opacity 0.18s ease;
}

.page-faq .faq-item__mark::before {
  width: 11px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 11px;
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: rgba(184, 255, 60, 0.65);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-text);
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 34em;
}

/* ---------- 图片 ---------- */
.page-faq .faq-shot {
  margin: 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius-media);
  object-fit: cover;
}

.page-faq .faq-shot figcaption,
.page-faq .faq-wide figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--yy-muted);
}

.page-faq .faq-wide {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-faq .faq-wide img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  border-radius: var(--yy-radius-media);
  object-fit: cover;
}

/* ---------- 文字链接 ---------- */
.page-faq .faq-link {
  color: var(--yy-green);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 60, 0.45);
}

.page-faq .faq-link:hover {
  border-bottom-color: var(--yy-green);
}

.page-faq .faq-link--dark {
  color: #1F5B4F;
  border-bottom-color: rgba(31, 91, 79, 0.5);
}

.page-faq .faq-link--dark:hover {
  border-bottom-color: #1F5B4F;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-help {
  position: relative;
  padding: clamp(34px, 6vw, 66px) 0 clamp(38px, 6vw, 72px);
  background: var(--yy-paper);
  color: var(--yy-paper-ink);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--yy-orange), var(--yy-yellow) 55%, var(--yy-green));
}

.page-faq .faq-help__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-help__eyebrow {
  margin: 0 0 10px;
  font-family: var(--yy-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--yy-orange);
}

.page-faq .faq-help h2 {
  margin: 0;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--yy-paper-ink);
}

.page-faq .faq-help p {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: #3A4550;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-help .yy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  background: var(--yy-green);
  color: #0B1526;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--yy-green);
  border-radius: var(--yy-radius-pill);
}

.page-faq .faq-help .yy-btn--ghost {
  background: transparent;
  color: var(--yy-paper-ink);
  border-color: rgba(18, 24, 31, 0.4);
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact li {
  padding: 14px 0;
  border-top: 1px solid rgba(18, 24, 31, 0.16);
}

.page-faq .faq-contact li:last-child {
  border-bottom: 1px solid rgba(18, 24, 31, 0.16);
}

.page-faq .faq-contact__label {
  display: block;
  font-family: var(--yy-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #5A6875;
}

.page-faq .faq-contact__value {
  display: block;
  margin-top: 6px;
  font-family: var(--yy-font-num);
  font-size: clamp(16px, 2.6vw, 20px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--yy-paper-ink);
  word-break: break-word;
}

.page-faq .faq-contact__value--text {
  font-family: var(--yy-font-sans);
  font-size: 16px;
  font-weight: 600;
}

.page-faq .faq-contact__note {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: #46525F;
}

.page-faq .faq-help__legal {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #46525F;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-item__sum {
    padding: 16px 20px;
    grid-template-columns: 40px minmax(0, 1fr) 26px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 18px 70px;
  }

  .page-faq .faq-tab {
    padding: 0 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .faq-panel__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

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

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(30px, 5vw, 70px);
  }

  .page-faq .faq-wide img {
    max-height: 340px;
  }
}