.page-faq {
  --faq-line: rgba(15, 42, 68, .12);
  --faq-line-soft: rgba(15, 42, 68, .08);
  --faq-body-text: #2c3a47;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--blue-900);
  color: var(--paper);
  padding: 26px 0 40px;
  border-bottom: 4px solid var(--gold);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240, 206, 132, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 206, 132, .055) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(247, 245, 240, .62);
  margin-bottom: 22px;
}

.page-faq .crumbs a {
  color: rgba(247, 245, 240, .78);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  color: var(--gold-bright);
}

.page-faq .crumbs__sep {
  color: rgba(240, 206, 132, .55);
}

.page-faq .crumbs__current {
  color: var(--gold-bright);
}

.page-faq .faq-hero .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6.4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
  margin: 0 0 16px;
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 245, 240, .84);
  max-width: 46ch;
  margin: 0 0 16px;
}

.page-faq .faq-hero__note {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 245, 240, .72);
  margin: 0;
}

.page-faq .faq-hero__link {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 206, 132, .5);
  padding-bottom: 1px;
}

.page-faq .faq-hero__link:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* 读数面板 */
.page-faq .faq-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(240, 206, 132, .22);
  border: 1px solid rgba(240, 206, 132, .28);
  border-radius: var(--r-archive);
  overflow: hidden;
}

.page-faq .faq-figure {
  background: var(--blue-800);
  padding: 14px 14px 15px;
}

.page-faq .faq-figure dt {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--grey);
  margin-bottom: 6px;
}

.page-faq .faq-figure dd {
  margin: 0;
  font-size: 13.5px;
  color: rgba(247, 245, 240, .82);
}

.page-faq .faq-figure__num {
  font-size: 24px;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: .04em;
  margin-right: 4px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-block: 32px 64px;
}

.page-faq .faq-index {
  min-width: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-index .rail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey);
  margin: 0 0 10px;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: none;
  padding: 9px 12px 8px;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 6px 6px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: #46586a;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--blue-900);
  background: rgba(15, 42, 68, .05);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--ink);
  font-weight: 600;
  background: rgba(217, 164, 65, .1);
  border-bottom-color: var(--gold);
}

.page-faq .faq-index__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c8d0d8;
  transition: background var(--ease);
}

.page-faq .faq-index__link[aria-current="true"] .faq-index__dot {
  background: var(--mint);
}

.page-faq .faq-index__num {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--grey);
}

.page-faq .faq-index__link[aria-current="true"] .faq-index__num {
  color: var(--violet);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 52px;
}

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

.page-faq .faq-group__head {
  position: relative;
  border-top: 2px solid var(--faq-line-soft);
  padding-top: 18px;
  margin-bottom: 20px;
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-group__num {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mint);
  margin-bottom: 8px;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.8vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.32;
  color: var(--violet);
  margin: 0 0 10px;
}

.page-faq .faq-group__intro {
  font-size: 15px;
  line-height: 1.8;
  color: #4a5c6b;
  max-width: 56ch;
  margin: 0;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure-wide,
.page-faq .faq-figure-side {
  margin: 0 0 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  overflow: hidden;
  box-shadow: 5px 5px 0 rgba(15, 42, 68, .07);
}

.page-faq .faq-figure-wide {
  border-radius: var(--r-service);
}

.page-faq .faq-figure-side {
  border-radius: var(--r-news);
}

.page-faq .faq-figure-wide img,
.page-faq .faq-figure-side img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 四步流程 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-step {
  background: var(--blue-800);
  color: var(--paper);
  border-radius: var(--r-archive);
  border-top: 3px solid var(--mint);
  padding: 15px 15px 17px;
}

.page-faq .faq-step:nth-child(2) {
  border-top-color: var(--gold);
}

.page-faq .faq-step:nth-child(3) {
  border-top-color: var(--violet);
}

.page-faq .faq-step:nth-child(4) {
  border-top-color: var(--wine);
}

.page-faq .faq-step__idx {
  display: block;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--gold-bright);
}

.page-faq .faq-step__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 7px 0 7px;
}

.page-faq .faq-step__text {
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 245, 240, .8);
  margin: 0;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-archive);
  box-shadow: 4px 4px 0 rgba(15, 42, 68, .06);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-item:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-item[open] {
  border-color: rgba(217, 164, 65, .55);
  box-shadow: 4px 4px 0 rgba(217, 164, 65, .16);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__head::marker {
  content: "";
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--gold);
  border-radius: 50%;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
}

.page-faq .faq-item__sign::before {
  width: 8px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 8px;
  transform: translate(-50%, -50%) scaleY(1);
  transition: transform var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 16px 17px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-item__stamp {
  display: block;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--violet);
  padding-top: 12px;
  margin: 0 0 8px;
}

.page-faq .faq-item__body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-text);
  margin: 0;
}

/* ---------- 收尾深色块 ---------- */
.page-faq .faq-group--closing {
  background: var(--blue-900);
  border-radius: var(--r-service);
  padding: 24px 18px 22px;
  margin-bottom: 0;
}

.page-faq .faq-group--closing .faq-group__head {
  border-top-color: rgba(240, 206, 132, .22);
}

.page-faq .faq-group--closing .faq-group__head::before {
  background: var(--gold-bright);
}

.page-faq .faq-group--closing .faq-group__num {
  color: var(--mint);
}

.page-faq .faq-group--closing .faq-group__head h2 {
  color: var(--gold-bright);
}

.page-faq .faq-group--closing .faq-group__intro {
  color: rgba(247, 245, 240, .76);
}

.page-faq .faq-group--closing .faq-item {
  background: rgba(247, 245, 240, .06);
  border-color: rgba(240, 206, 132, .26);
  box-shadow: none;
}

.page-faq .faq-group--closing .faq-item[open] {
  border-color: rgba(240, 206, 132, .6);
  box-shadow: none;
}

.page-faq .faq-group--closing .faq-item__q {
  color: var(--paper);
}

.page-faq .faq-group--closing .faq-item__body {
  border-top-color: rgba(240, 206, 132, .22);
}

.page-faq .faq-group--closing .faq-item__stamp {
  color: var(--gold-bright);
}

.page-faq .faq-group--closing .faq-item__body p {
  color: rgba(247, 245, 240, .82);
}

/* ---------- 中屏 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero {
    padding: 34px 0 52px;
  }

  .page-faq .faq-figure {
    padding: 16px 16px 18px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-item__head {
    padding: 17px 20px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 19px;
  }

  .page-faq .faq-group--closing {
    padding: 32px 26px 28px;
  }
}

/* ---------- 桌面：左侧索引 + 右侧答案 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .86fr);
    align-items: end;
    gap: 44px;
  }

  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }

  .page-faq .faq-body {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 56px;
    padding-block: 52px 88px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 32px;
    align-self: start;
    border-bottom: 0;
    border-left: 1px solid var(--faq-line);
    padding: 0 0 0 16px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    width: 100%;
    padding: 9px 10px;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: 0 4px 4px 0;
    font-size: 14px;
  }

  .page-faq .faq-index__link[aria-current="true"] {
    border-left-color: var(--gold);
    border-bottom-color: transparent;
  }

  .page-faq .faq-figure-side {
    float: right;
    width: 46%;
    max-width: 420px;
    margin: 0 0 18px 24px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-figure-side {
    width: 40%;
  }
}

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__link,
  .page-faq .faq-index__dot {
    transition: none;
  }
}