.page-faq {
  --faq-gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .faq-crumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(6px, 1.4vw, 12px);
}

.page-faq .faq-hero .ky-lede {
  max-width: 66ch;
  margin-bottom: 0;
}

/* ---------- 四类胶囊标签带 ---------- */
.page-faq .faq-cats {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cats > li {
  flex: 0 0 auto;
}

.page-faq .faq-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border: 1px solid var(--ky-slate-lt);
  border-radius: var(--ky-r-pill);
  background: var(--ky-paper);
  color: var(--ky-ink-2);
  font-family: var(--ky-font-head);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--ky-dur) var(--ky-ease),
              border-color var(--ky-dur) var(--ky-ease),
              transform var(--ky-dur) var(--ky-ease);
}

.page-faq .faq-cat:hover {
  border-color: var(--ky-bronze);
  background: var(--ky-bronze-wash);
  transform: translateY(-2px);
}

.page-faq .faq-cat:focus-visible {
  outline: 2px solid var(--ky-bronze);
  outline-offset: 2px;
}

.page-faq .faq-cat__num {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ky-bronze);
}

/* ---------- 两栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: clamp(20px, 3.4vw, 36px);
}

.page-faq .faq-side {
  display: grid;
  gap: 26px;
  min-width: 0;
}

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

/* ---------- 目录树 ---------- */
.page-faq .faq-tree {
  border-top: 2px solid var(--ky-ink);
  padding-top: 14px;
}

.page-faq .faq-tree__label {
  margin: 0 0 10px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-slate);
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-tree__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px 6px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--ky-r-sm) var(--ky-r-sm) 0;
  color: var(--ky-ink-2);
  font-family: var(--ky-font-body);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color var(--ky-dur) var(--ky-ease),
              background var(--ky-dur) var(--ky-ease),
              color var(--ky-dur) var(--ky-ease);
}

.page-faq .faq-tree__link:hover,
.page-faq .faq-tree__link[aria-current="location"] {
  border-left-color: var(--ky-bronze);
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
}

.page-faq .faq-tree__link:focus-visible {
  outline: 2px solid var(--ky-bronze);
  outline-offset: 2px;
}

.page-faq .faq-tree__num {
  flex: 0 0 auto;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ky-bronze);
}

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

/* ---------- 侧栏图与相关栏目 ---------- */
.page-faq .faq-side__fig {
  margin: 0;
  max-width: 340px;
}

.page-faq .faq-quick {
  border-top: var(--ky-line);
  padding-top: 14px;
}

.page-faq .faq-quick__label {
  margin: 0 0 10px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-slate);
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-quick__list a {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--ky-slate-lt);
  border-radius: var(--ky-r-pill);
  color: var(--ky-ink-2);
  font-family: var(--ky-font-body);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--ky-dur) var(--ky-ease),
              background var(--ky-dur) var(--ky-ease),
              color var(--ky-dur) var(--ky-ease);
}

.page-faq .faq-quick__list a:hover {
  border-color: var(--ky-bronze);
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
}

.page-faq .faq-quick__list a:focus-visible {
  outline: 2px solid var(--ky-bronze);
  outline-offset: 2px;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(34px, 5vw, 54px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ky-line);
}

.page-faq .faq-group__num {
  font-family: var(--ky-font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ky-bronze);
}

.page-faq .faq-group__desc {
  margin: 0 0 4px;
  max-width: 62ch;
  color: var(--ky-slate);
  font-family: var(--ky-font-body);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--ky-line-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-item__h {
  margin: 0;
}

.page-faq .faq-item__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--ky-ink);
  font-family: var(--ky-font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  transition: color var(--ky-dur) var(--ky-ease);
}

.page-faq .faq-item__btn:hover {
  color: var(--ky-bronze);
}

.page-faq .faq-item__btn:focus-visible {
  outline: 2px solid var(--ky-bronze);
  outline-offset: 2px;
  border-radius: var(--ky-r-sm);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  color: var(--ky-bronze);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__panel {
  padding: 0 4px 22px 42px;
}

.page-faq .faq-item__panel p {
  margin: 0 0 0.85em;
  max-width: 68ch;
  color: var(--ky-ink-2);
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
}

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

/* ---------- 通栏区块 ---------- */
.page-faq .faq-sec {
  padding: clamp(34px, 5.5vw, 58px) 0 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-sec--last {
  padding-bottom: clamp(10px, 2vw, 20px);
}

.page-faq .faq-sec__lede {
  max-width: 64ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--ky-slate);
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
}

.page-faq .faq-sec .ky-h2 {
  margin-bottom: 12px;
}

/* ---------- 准备材料 ---------- */
.page-faq .faq-prepare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-faq .faq-prepare__fig {
  margin: 0;
}

.page-faq .faq-reqs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-req {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--ky-line-soft);
}

.page-faq .faq-req:last-child {
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-faq .faq-req__num {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ky-bronze);
  padding-top: 4px;
}

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

.page-faq .faq-req__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  color: var(--ky-ink);
  font-family: var(--ky-font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-faq .faq-check {
  flex: 0 0 auto;
  color: var(--ky-bronze);
}

.page-faq .faq-req__text {
  margin: 0;
  max-width: 56ch;
  color: var(--ky-ink-2);
  font-family: var(--ky-font-body);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 处理节奏 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--ky-line-soft);
  border-radius: var(--ky-r-md);
  background: var(--ky-paper-2);
}

.page-faq .faq-step__time {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: var(--ky-r-pill);
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  color: var(--ky-ink);
  font-family: var(--ky-font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-faq .faq-step__text {
  margin: 0;
  color: var(--ky-ink-2);
  font-family: var(--ky-font-body);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-bottom: clamp(20px, 3vw, 28px);
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-r-md);
  background: var(--ky-line-soft);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin: 0;
  padding: 15px 18px;
  background: var(--ky-paper);
}

.page-faq .faq-contact__k {
  flex: 0 0 auto;
  min-width: 5em;
  color: var(--ky-slate);
  font-family: var(--ky-font-body);
  font-size: 15px;
}

.page-faq .faq-contact__v {
  min-width: 0;
  color: var(--ky-ink);
  font-size: 16px;
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-contact__k {
    min-width: 6em;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 60px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-side__fig {
    max-width: none;
  }

  .page-faq .faq-prepare {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-item__panel {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-tree__link,
  .page-faq .faq-quick__list a,
  .page-faq .faq-item__btn {
    transition: none;
  }

  .page-faq .faq-cat:hover {
    transform: none;
  }
}