.page-faq {
  --faq-hair: 1px solid var(--line-500);
  --faq-dash: 1px dashed var(--line-500);
}

.page-faq .section {
  padding-block: clamp(32px, 5vw, 60px);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 40px) clamp(34px, 5vw, 64px);
  border-bottom: var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  right: -18%;
  width: 62%;
  height: 165%;
  background: linear-gradient(152deg, rgba(225, 166, 59, .18), rgba(127, 169, 155, .12) 52%, rgba(10, 26, 42, 0) 74%);
  transform: skewX(-9deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 14px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--smoke-100);
}

.page-faq .faq-hero__title .num {
  font-style: normal;
  color: var(--amber-450);
}

.page-faq .faq-hero .lede {
  max-width: 40ch;
  color: var(--smoke-400);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__nav {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: var(--faq-hair);
  padding-top: 14px;
}

.page-faq .faq-hero__nav-title {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--celadon-400);
  text-transform: uppercase;
  margin-bottom: 8px;
}

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

.page-faq .faq-groups-nav a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 2px;
  border-bottom: var(--faq-dash);
  color: var(--smoke-100);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-groups-nav a .mono {
  color: var(--smoke-400);
  font-size: 12px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-groups-nav a:hover,
.page-faq .faq-groups-nav a:focus-visible {
  color: var(--amber-200);
  padding-left: 8px;
}

.page-faq .faq-groups-nav a:hover .mono,
.page-faq .faq-groups-nav a:focus-visible .mono {
  color: var(--amber-450);
}

.page-faq .faq-hero__hint {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--smoke-400);
}

.page-faq .faq-hero__figure {
  margin: 0 0 16px;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--faq-hair);
  background: var(--ink-850);
  object-fit: cover;
}

.page-faq .faq-hero__figure .figure-caption {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--smoke-400);
}

.page-faq .faq-preview__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  max-height: none;
}

.page-faq .faq-preview__item a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border: var(--faq-hair);
  background: rgba(16, 40, 61, .55);
  color: var(--smoke-100);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-preview__idx {
  font-size: 11px;
  color: var(--celadon-400);
}

.page-faq .faq-preview__item a:hover,
.page-faq .faq-preview__item a:focus-visible {
  border-color: var(--amber-450);
  background: rgba(225, 166, 59, .1);
}

/* 先看三条 */
.page-faq .faq-picks__inner {
  background: var(--paper-50);
  color: var(--ink-950);
  padding: clamp(22px, 4vw, 42px);
  border-left: 4px solid var(--amber-450);
}

.page-faq .faq-picks__kicker {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cinnabar-500);
  margin: 0 0 6px;
}

.page-faq .faq-picks__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--ink-950);
}

.page-faq .faq-picks__lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: #2c3a46;
}

.page-faq .picks-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .pick {
  background: #fff;
  border: 1px solid #d8d0c1;
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .pick__idx {
  font-size: 12px;
  color: var(--cinnabar-500);
  letter-spacing: .1em;
}

.page-faq .pick__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  margin: 0;
  color: var(--ink-950);
}

.page-faq .pick__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3a4753;
}

.page-faq .pick__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: var(--ink-950);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar-500);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-faq .pick__link:hover,
.page-faq .pick__link:focus-visible {
  color: var(--cinnabar-500);
}

/* 12 条分组 */
.page-faq .faq-body__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-body__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.25;
  margin: 8px 0 10px;
}

.page-faq .faq-body__lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--smoke-400);
  margin: 0;
}

.page-faq .faq-group {
  padding-top: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--amber-450);
}

.page-faq .faq-group__idx {
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1;
  color: var(--celadon-400);
}

.page-faq .faq-group__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.35;
  margin: 0;
}

.page-faq .faq-group__sub {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--smoke-400);
}

.page-faq .qa {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  padding-block: 18px;
  border-bottom: var(--faq-dash);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .qa__idx {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber-450);
  padding-top: 6px;
}

.page-faq .qa__q {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--smoke-100);
}

.page-faq .qa__a {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--smoke-400);
  max-width: 66ch;
}

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

.page-faq .qa__steps {
  margin: 0 0 10px;
  padding-left: 20px;
  color: var(--smoke-400);
  font-size: 15px;
  line-height: 1.8;
  max-width: 66ch;
}

.page-faq .qa__steps li {
  margin-bottom: 4px;
}

.page-faq .qa__steps li::marker {
  color: var(--celadon-400);
  font-family: var(--mono);
  font-size: 13px;
}

.page-faq .qa__link {
  color: var(--amber-200);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  color: var(--amber-450);
}

/* 规则对照入口 */
.page-faq .faq-rules {
  border-top: var(--faq-hair);
  background: linear-gradient(180deg, rgba(16, 40, 61, .6), rgba(10, 26, 42, 0) 62%);
}

.page-faq .rules-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .rules-intro__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.3;
  margin: 8px 0 12px;
}

.page-faq .rules-intro__text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--smoke-400);
  max-width: 56ch;
  margin: 0 0 18px;
}

.page-faq .rules-intro__figure {
  margin: 0;
}

.page-faq .rules-intro__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--faq-hair);
  background: var(--ink-850);
  object-fit: cover;
}

.page-faq .rules-intro__figure .figure-caption {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--smoke-400);
}

.page-faq .rule-tabs {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: var(--faq-hair);
  padding-top: 18px;
}

.page-faq .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .tab-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.2;
  color: var(--smoke-400);
  background: transparent;
  border: 1px solid var(--line-500);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .tab-btn__idx {
  font-size: 11px;
  color: var(--celadon-400);
}

.page-faq .tab-btn:hover {
  border-color: var(--celadon-400);
  color: var(--smoke-100);
}

.page-faq .tab-btn[aria-selected="true"] {
  background: var(--amber-450);
  border-color: var(--amber-450);
  color: var(--ink-950);
}

.page-faq .tab-btn[aria-selected="true"] .tab-btn__idx {
  color: var(--ink-950);
  opacity: .7;
}

.page-faq .tab-btn:focus-visible {
  outline: 2px solid var(--amber-200);
  outline-offset: 2px;
}

.page-faq .tab-panel {
  padding-top: 16px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke-400);
}

.page-faq .tab-panel p {
  margin: 0;
}

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

/* 邮件提问 */
.page-faq .mail-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--celadon-400);
  background: rgba(127, 169, 155, .07);
}

.page-faq .mail-card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  margin: 8px 0 12px;
}

.page-faq .mail-card__main p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke-400);
  max-width: 52ch;
  margin: 0 0 18px;
}

.page-faq .mail-card__addr {
  color: var(--amber-200);
  word-break: break-all;
}

.page-faq .mail-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: var(--faq-dash);
  padding-left: 16px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .mail-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--smoke-100);
}

.page-faq .mail-steps .mono {
  font-size: 11px;
  color: var(--celadon-400);
}

/* 页尾索引 */
.page-faq .faq-index {
  border-top: var(--faq-hair);
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: 12px;
}

.page-faq .faq-index__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.3;
  margin: 4px 0 0;
  flex: 1 1 260px;
}

.page-faq .faq-index__top {
  font-size: 13px;
  color: var(--amber-200);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-450);
  padding-bottom: 2px;
}

.page-faq .faq-index__top:hover,
.page-faq .faq-index__top:focus-visible {
  color: var(--amber-450);
}

.page-faq .faq-index__line {
  display: block;
  width: 100%;
  height: 16px;
  color: var(--line-500);
  margin-bottom: 4px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-faq .faq-index__list li {
  border-bottom: var(--faq-dash);
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--smoke-100);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index__list a .mono {
  font-size: 11px;
  color: var(--cinnabar-500);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--amber-200);
  padding-left: 8px;
}

/* 响应式 */
@media (min-width: 600px) {
  .page-faq .faq-preview__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .page-faq .picks-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-faq .qa {
    grid-template-columns: 64px minmax(0, 1fr);
    padding-block: 22px;
  }

  .page-faq .rules-intro {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-faq .mail-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .picks-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .picks-grid li:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .picks-grid li:nth-child(3) {
    margin-top: 44px;
  }

  .page-faq .faq-preview__list {
    max-height: 420px;
    overflow-y: auto;
    padding-right: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-groups-nav a,
  .page-faq .faq-preview__item a,
  .page-faq .tab-btn,
  .page-faq .faq-index__list a {
    transition: none;
  }
}