.page-faq {
  padding-top: var(--header-h);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---------- 右侧常驻浮标 ---------- */
.page-faq .faq-rail {
  position: fixed;
  right: 16px;
  bottom: 84px;
  z-index: 45;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 62px;
  padding: 12px 8px;
  background: var(--porcelain);
  border: 1px solid var(--line-ink);
  box-shadow: var(--stack-2);
  text-decoration: none;
  color: var(--ink);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-rail:hover {
  transform: translateY(-4px);
  box-shadow: var(--stack-3);
}

.page-faq .faq-rail__mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--porcelain);
  background: var(--red);
  padding: 3px 6px;
}

.page-faq .faq-rail__text {
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  color: var(--ink-2);
}

@media (min-width: 1100px) {
  .page-faq .faq-rail {
    display: flex;
  }
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 38px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 96% at 100% 0%, rgba(159, 211, 207, .46) 0%, rgba(244, 237, 224, 0) 60%),
    var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(15, 111, 108, .28);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 20px;
}

.page-faq .faq-hero h1 {
  margin: .42em 0 0;
  font-size: clamp(30px, 6.6vw, 58px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  max-width: 20ch;
}

.page-faq .faq-hero .zb-lead {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: .04em;
}

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
  margin-bottom: 6px;
}

/* ---------- 问题列表卡 ---------- */
.page-faq .faq-index {
  padding: 20px 20px 12px;
  border-top: 4px solid var(--red);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink-2);
}

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

.page-faq .faq-index__list li + li {
  border-top: 1px dashed var(--line);
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--jade);
  padding-left: 4px;
}

.page-faq .faq-index__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--jade);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding: 46px 0 50px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-sec-head {
  max-width: 76ch;
  margin-bottom: 24px;
}

.page-faq .faq-sec-head .zb-index {
  display: block;
  margin-bottom: 10px;
}

.page-faq .faq-sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-faq .faq-sec-sub {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 筛选条件标签 ---------- */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  background: var(--porcelain);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink);
  box-shadow: var(--stack-1);
}

.page-faq .faq-chip--lead {
  background: var(--mist);
  border-color: var(--jade);
}

.page-faq .faq-chip__no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red);
}

/* ---------- 分栏与问答 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
}

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

.page-faq .faq-pair {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-q {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -.01em;
}

.page-faq .faq-a {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-pair .faq-a {
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-pair .faq-a::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--jade);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  padding: 10px;
  background: var(--porcelain);
  border: 1px solid var(--line-ink);
  box-shadow: var(--stack-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 4px 2px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-2);
}

.page-faq .faq-figure--wide {
  margin-top: 30px;
}

/* ---------- 面板卡 ---------- */
.page-faq .faq-panel {
  padding: 22px 20px;
  background: var(--porcelain);
  border: 1px solid var(--line);
  box-shadow: var(--stack-1);
}

.page-faq .faq-panel--jade {
  border-top: 3px solid var(--jade);
}

.page-faq .faq-panel--red {
  border-top: 3px solid var(--red);
}

.page-faq .faq-panel__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 800;
}

.page-faq .faq-panel__text {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-panel__text--dim {
  margin-bottom: 0;
  color: var(--ink-2);
  font-size: 14px;
}

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

.page-faq .faq-items li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
  border-top: 1px dashed var(--line);
}

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

.page-faq .faq-items li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 1.12em;
  width: 7px;
  height: 7px;
  background: var(--jade-soft);
  border: 1px solid var(--jade);
}

.page-faq .faq-crosslink {
  margin: 26px 0 0;
  padding: 16px 18px;
  background: var(--mist);
  border-left: 3px solid var(--jade);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-crosslink a {
  color: var(--jade-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 预约三步整宽条 ---------- */
.page-faq .faq-stepband {
  color: var(--porcelain);
  border-bottom: 0;
  background:
    linear-gradient(180deg, rgba(159, 211, 207, .10) 0%, rgba(8, 64, 63, 0) 40%),
    var(--jade-deep);
}

.page-faq .faq-stepband .zb-index {
  color: var(--jade-soft);
}

.page-faq .faq-stepband h2 {
  color: var(--porcelain);
}

.page-faq .faq-stepband .faq-sec-sub {
  color: rgba(252, 250, 245, .78);
}

.page-faq .faq-steps {
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 20px;
  background: rgba(252, 250, 245, .05);
  border: 1px solid rgba(159, 211, 207, .38);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  background: rgba(252, 250, 245, .09);
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-step__title {
  margin: 12px 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--porcelain);
}

.page-faq .faq-step__do {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(252, 250, 245, .92);
}

.page-faq .faq-step__out {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(159, 211, 207, .38);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--jade-soft);
}

.page-faq .faq-note {
  margin: 26px 0 0;
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--jade-soft);
  border: 1px solid rgba(200, 155, 74, .55);
  border-left: 4px solid var(--gold);
  background: rgba(200, 155, 74, .08);
}

/* ---------- 时长读法 ---------- */
.page-faq .faq-reads {
  display: grid;
  gap: 16px;
}

.page-faq .faq-read {
  padding: 22px 20px;
  background: var(--porcelain);
  border: 1px solid var(--line);
  box-shadow: var(--stack-1);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-read:hover {
  transform: translateY(-4px);
  box-shadow: var(--stack-2);
}

.page-faq .faq-read__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-faq .faq-read__title::before {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 12px;
  background: var(--red);
}

.page-faq .faq-read__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-read--wide .faq-read__text,
.page-faq .faq-read--full .faq-read__text {
  color: var(--ink);
}

.page-faq .faq-read--full {
  border-left: 4px solid var(--jade);
  background: var(--mist);
}

/* ---------- 售后状态轴 ---------- */
.page-faq .faq-track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-faq .faq-track__node {
  position: relative;
  padding: 0 0 22px 30px;
}

.page-faq .faq-track__node::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-track__node:last-child {
  padding-bottom: 0;
}

.page-faq .faq-track__node:last-child::before {
  display: none;
}

.page-faq .faq-track__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 13px;
  height: 13px;
  background: var(--paper);
  border: 2px solid var(--jade);
}

.page-faq .faq-track__node--red .faq-track__dot {
  background: var(--red);
  border-color: var(--red);
}

.page-faq .faq-track__node h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
}

.page-faq .faq-track__node p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-faq .faq-after {
  margin-top: 32px;
}

.page-faq .faq-aside {
  padding: 20px;
  background: var(--porcelain);
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--jade-soft);
}

.page-faq .faq-aside__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
}

.page-faq .faq-aside__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-aside__text a {
  color: var(--jade-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-details-grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-details {
  background: var(--porcelain);
  border: 1px solid var(--line);
  border-left: 4px solid var(--jade-soft);
  transition: border-color .2s var(--ease);
}

.page-faq .faq-details[open] {
  border-left-color: var(--red);
}

.page-faq .faq-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
}

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

.page-faq .faq-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  color: var(--red);
}

.page-faq .faq-details[open] summary::after {
  content: "–";
}

.page-faq .faq-details__body {
  padding: 0 18px 18px;
}

.page-faq .faq-details__body ol {
  margin: 0;
  padding-left: 1.3em;
}

.page-faq .faq-details__body li {
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

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

.page-faq .faq-details__body li::marker {
  font-family: var(--mono);
  color: var(--jade);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-help {
  border-bottom: 0;
  color: var(--porcelain);
  background:
    linear-gradient(180deg, rgba(15, 111, 108, 1) 0%, rgba(8, 64, 63, 1) 100%);
}

.page-faq .faq-help .zb-index {
  color: var(--jade-soft);
}

.page-faq .faq-help h2 {
  color: var(--porcelain);
}

.page-faq .faq-help .faq-sec-sub {
  color: rgba(252, 250, 245, .8);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact {
  padding: 18px 20px;
  background: rgba(252, 250, 245, .07);
  border: 1px solid rgba(159, 211, 207, .4);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--jade-soft);
}

.page-faq .faq-contact__value {
  display: inline-block;
  padding: 0;
  border: 0;
  border-bottom: 1px dashed rgba(252, 250, 245, .5);
  background: none;
  color: var(--porcelain);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  word-break: break-all;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-contact__value:hover,
.page-faq .faq-contact__value.is-copied {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-contact__value--plain {
  cursor: default;
  border-bottom-color: transparent;
  font-size: 15px;
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 640px) {
  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-contact:last-child {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 42px 0 54px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
    margin-top: 26px;
  }

  .page-faq .faq-section {
    padding: 64px 0 68px;
  }

  .page-faq .faq-split {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

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

  .page-faq .faq-split--even .faq-panel,
  .page-faq .faq-aside {
    height: 100%;
  }

  .page-faq .faq-figure {
    align-self: start;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-faq .faq-step + .faq-step::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 46px;
    width: 22px;
    height: 1px;
    background: rgba(159, 211, 207, .55);
  }

  .page-faq .faq-reads {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-faq .faq-read--wide {
    grid-column: span 2;
  }

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

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

  .page-faq .faq-track__node {
    padding: 32px 22px 0 0;
  }

  .page-faq .faq-track__node::before {
    left: 0;
    top: 6px;
    bottom: auto;
    width: calc(100% - 22px);
    height: 1px;
  }

  .page-faq .faq-track__node:last-child::before {
    display: block;
    width: 0;
  }

  .page-faq .faq-track__dot {
    left: 0;
    top: 0;
    background: var(--paper);
  }

  .page-faq .faq-details-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px 16px;
    align-items: start;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-contact:last-child {
    grid-column: auto;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 8fr 4fr;
  }
}