.page-faq {
  --faq-gap: clamp(14px, 2vw, 22px);
  --faq-sticky-top: 28px;
  --faq-body: rgba(242, 245, 247, .8);
  padding-block: clamp(18px, 3vw, 34px) clamp(52px, 8vw, 96px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 2.5vw, 26px);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
  padding-bottom: clamp(28px, 5vw, 52px);
}

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

.page-faq .section__eyebrow {
  color: var(--orange);
  letter-spacing: .16em;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  color: var(--faq-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 46ch;
}

.page-faq .faq-search {
  position: relative;
  margin-bottom: 14px;
}

.page-faq .faq-search__icon {
  position: absolute;
  left: 20px;
  top: 50%;
  width: 20px;
  height: 20px;
  transform: translateY(-50%);
  color: var(--cyan);
  pointer-events: none;
}

.page-faq .faq-search input {
  width: 100%;
  height: 56px;
  padding: 0 20px 0 52px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: var(--field);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-search input::placeholder {
  color: var(--mist);
}

.page-faq .faq-search input:hover,
.page-faq .faq-search input:focus {
  border-color: rgba(53, 224, 208, .6);
  background: rgba(24, 35, 53, .9);
  outline: none;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(14, 22, 38, .7);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mist);
}

.page-faq .faq-chip--entry::before { background: var(--orange); }
.page-faq .faq-chip--stats::before { background: var(--cyan); }
.page-faq .faq-chip--venue::before { background: var(--flag-y); }
.page-faq .faq-chip--device::before { background: var(--win); }

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(24, 35, 53, .95);
  outline: none;
}

.page-faq .faq-chip:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-faq .faq-hero__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--stand);
  margin: 0;
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .media__caption {
  display: block;
  padding: 10px 16px 14px;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .02em;
}

/* 三条速答 */
.page-faq .faq-quick {
  padding-block: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-quick__head {
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.page-faq .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: -.01em;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--ink);
}

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

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .quick-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--field);
  border-left: 3px solid var(--line-strong);
}

.page-faq .quick-card--orange { border-left-color: var(--orange); }
.page-faq .quick-card--cyan { border-left-color: var(--cyan); }
.page-faq .quick-card--yellow { border-left-color: var(--flag-y); }

.page-faq .quick-card__no {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-faq .quick-card--orange .quick-card__no { color: var(--orange); }
.page-faq .quick-card--cyan .quick-card__no { color: var(--cyan); }
.page-faq .quick-card--yellow .quick-card__no { color: var(--flag-y); }

.page-faq .quick-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.4;
}

.page-faq .quick-card__text {
  margin: 0;
  color: var(--faq-body);
  font-size: 14.5px;
  line-height: 1.72;
}

/* 主体双栏 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
  padding-block: clamp(24px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .faq-group__no {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--orange);
  line-height: 1;
  min-width: 46px;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
  line-height: 1.25;
}

.page-faq .faq-group__desc {
  margin: 4px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-group__head .tag {
  margin-left: auto;
}

.page-faq .faq-group__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

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

/* 手风琴 */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(14, 22, 38, .66);
  overflow: hidden;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 26, .45);
  background: rgba(24, 35, 53, .92);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding: 14px clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-faq .faq-item__no {
  flex: none;
  font-size: 13px;
  color: var(--mist);
  padding: 3px 0 3px 10px;
  border-left: 2px solid var(--line-strong);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--orange);
  border-left-color: var(--orange);
}

.page-faq .faq-item__q {
  flex: 1;
  min-width: 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-item__ico {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-faq .faq-item__ico::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--orange);
}

.page-faq .faq-item__ico::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  border-radius: 2px;
  background: var(--orange);
  transition: transform .18s var(--ease);
}

.page-faq .faq-item[open] .faq-item__ico::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 clamp(14px, 2vw, 20px) 18px 46px;
}

.page-faq .faq-item__a p {
  margin: 0;
  color: var(--faq-body);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-faq .faq-item__link:hover,
.page-faq .faq-item__link:focus-visible {
  color: var(--ink);
  outline: none;
}

.page-faq .faq-group__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--stand);
}

.page-faq .faq-group__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* 侧栏 */
.page-faq .faq-side {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-side__card {
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 106, 26, .16), transparent 62%),
    var(--stand);
}

.page-faq .faq-side__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 23px);
  line-height: 1.3;
  margin: 12px 0 8px;
  color: var(--ink);
}

.page-faq .faq-side__text {
  margin: 0 0 14px;
  color: var(--faq-body);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .faq-side__mail {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  margin-bottom: 12px;
}

.page-faq .faq-side__mail:hover,
.page-faq .faq-side__mail:focus-visible {
  color: var(--ink);
  outline: none;
}

.page-faq .faq-side__copy {
  width: 100%;
  min-height: 48px;
  border-radius: var(--pill);
  border: 1px solid rgba(255, 106, 26, .55);
  background: rgba(255, 106, 26, .14);
  color: var(--orange);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-side__copy:hover,
.page-faq .faq-side__copy:focus-visible {
  background: var(--orange);
  color: #0B0F18;
  outline: none;
}

.page-faq .faq-side__copy.is-copied {
  background: rgba(110, 231, 168, .16);
  border-color: rgba(110, 231, 168, .6);
  color: var(--win);
}

.page-faq .faq-side__copy.is-failed {
  background: rgba(229, 72, 77, .16);
  border-color: rgba(229, 72, 77, .6);
  color: var(--flag-r);
}

.page-faq .faq-side__rows {
  margin: 16px 0;
  border-top: 1px dashed var(--line-strong);
}

.page-faq .faq-side__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.page-faq .faq-side__label {
  color: var(--mist);
}

.page-faq .faq-side__value {
  color: var(--ink);
  text-align: right;
}

.page-faq .faq-side__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  text-decoration: none;
}

.page-faq .faq-side__mini {
  padding: clamp(18px, 2.6vw, 22px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(14, 22, 38, .6);
}

.page-faq .faq-side__mini-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: .01em;
}

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

.page-faq .faq-side__list li {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.page-faq .faq-side__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-side__list a {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--cyan);
  outline: none;
}

/* 底部求助 */
.page-faq .faq-help {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(120deg, rgba(53, 224, 208, .08), transparent 55%),
    var(--stand);
}

.page-faq .faq-help__text {
  margin: 0;
  color: var(--faq-body);
  font-size: 15px;
  line-height: 1.78;
  max-width: 56ch;
}

.page-faq .faq-help__actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-help__mail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: rgba(7, 11, 20, .6);
}

.page-faq .faq-help__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-faq .faq-help__value {
  font-family: var(--font-num);
  font-size: clamp(14px, 1.7vw, 16px);
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-help__value:hover,
.page-faq .faq-help__value:focus-visible {
  color: var(--ink);
  outline: none;
}

.page-faq .faq-help__copy {
  min-height: 48px;
  border-radius: var(--pill);
  border: 1px solid rgba(53, 224, 208, .5);
  background: rgba(53, 224, 208, .12);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-help__copy:hover,
.page-faq .faq-help__copy:focus-visible {
  background: var(--cyan);
  color: #06121A;
  outline: none;
}

.page-faq .faq-help__copy.is-copied {
  background: rgba(110, 231, 168, .18);
  border-color: rgba(110, 231, 168, .6);
  color: var(--win);
}

.page-faq .faq-help__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  text-decoration: none;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-chips {
    gap: 12px;
  }

  .page-faq .faq-help__actions {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: stretch;
  }

  .page-faq .faq-help__mail {
    grid-column: 1 / -1;
  }

  .page-faq .faq-help__btn {
    padding-inline: 26px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    --faq-sticky-top: 32px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1.72fr) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 48px);
  }

  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    padding: clamp(30px, 4vw, 48px);
  }

  .page-faq .faq-help__actions {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-help__mail {
    grid-column: auto;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-item__q {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search input,
  .page-faq .faq-chip,
  .page-faq .faq-item,
  .page-faq .faq-item__ico::after,
  .page-faq .faq-side__copy,
  .page-faq .faq-help__copy,
  .page-faq .faq-side__list a {
    transition: none;
  }
}