.page-faq {
  --faq-index-w: 190px;
  --faq-shadow: 4px 4px 0 rgba(138, 90, 43, 0.1);
  background-color: var(--moon);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq a {
  color: var(--cobalt);
}

.page-faq a:focus-visible {
  outline: 2px solid var(--ochre);
  outline-offset: 3px;
}

.page-faq .faq-crumbs-row {
  padding-top: 14px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: 12px;
  padding-block: clamp(26px, 6vw, 58px) clamp(30px, 6vw, 64px);
  color: var(--paper);
  background-image:
    repeating-linear-gradient(118deg, rgba(251, 248, 241, 0.05) 0 2px, rgba(251, 248, 241, 0) 2px 10px),
    linear-gradient(166deg, var(--ochre) 0 72%, var(--cobalt) 72% 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 22px;
}

.page-faq .faq-hero h1 {
  margin: 0.3em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 50px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-hero .eyebrow {
  color: var(--spark);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(251, 248, 241, 0.92);
}

.page-faq .faq-hero__jumps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-hero__jumps a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid rgba(251, 248, 241, 0.55);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .faq-hero__jumps a:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ochre);
}

.page-faq .faq-hero__diagram {
  display: none;
  max-width: 320px;
}

.page-faq .faq-hero__diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    background-image:
      repeating-linear-gradient(118deg, rgba(251, 248, 241, 0.05) 0 2px, rgba(251, 248, 241, 0) 2px 10px),
      linear-gradient(104deg, var(--ochre) 0 62%, var(--cobalt) 62% 100%);
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
    gap: 44px;
  }

  .page-faq .faq-hero__diagram {
    display: block;
  }
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: block;
  padding-block: clamp(28px, 5vw, 64px) clamp(40px, 6vw, 80px);
}

.page-faq .faq-index {
  margin-bottom: 30px;
  padding-left: 14px;
  border-left: 3px solid var(--cobalt);
}

.page-faq .faq-index__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-cool);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-index__list a:hover {
  border-bottom-color: var(--cobalt);
  color: var(--cobalt);
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cobalt);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
    margin-bottom: 0;
  }
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(34px, 5vw, 56px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 2px solid var(--line);
}

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

.page-faq .faq-block--cool {
  border-top-color: var(--slate);
}

.page-faq .faq-block--gold {
  border-top-color: var(--gold);
}

.page-faq .faq-block__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ochre);
}

.page-faq .faq-block h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-block__intro {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(30, 36, 34, 0.86);
}

.page-faq .faq-more {
  margin: 18px 0 0;
  font-size: 14px;
}

.page-faq .faq-more a {
  display: inline-block;
  margin-right: 20px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.page-faq .faq-more a:hover {
  border-bottom-color: var(--cobalt);
}

/* ---------- 新手三步 ---------- */
.page-faq .faq-start {
  display: grid;
  gap: 22px;
}

.page-faq .faq-steps {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-steps__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  border-right: 1px solid var(--line-cool);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--ochre);
}

.page-faq .faq-steps__item h3 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-steps__item p {
  grid-column: 2;
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(30, 36, 34, 0.85);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--mist);
}

.page-faq .faq-figure__cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--copper);
}

@media (min-width: 820px) {
  .page-faq .faq-start {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
    gap: 30px;
  }
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-flowline {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-flowline li {
  padding: 14px 16px;
  background: var(--paper);
  border-left: 3px solid var(--slate);
}

.page-faq .faq-flowline__num {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cobalt);
}

.page-faq .faq-flowline h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-flowline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(30, 36, 34, 0.85);
}

.page-faq .faq-note {
  margin: 0;
  padding: 12px 16px;
  border-left: 3px solid var(--copper);
  background: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

@media (min-width: 780px) {
  .page-faq .faq-flowline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-flowline li {
    padding: 0 20px;
    background: none;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-flowline li:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-faq .faq-flowline li:last-child {
    padding-right: 0;
  }
}

/* ---------- 条目编号与目录 ---------- */
.page-faq .faq-ask {
  display: grid;
  gap: 20px;
}

.page-faq .faq-ask__fig {
  margin: 0;
  order: 2;
}

.page-faq .faq-ask__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-cool);
  filter: saturate(0.85);
}

.page-faq .faq-item {
  margin-bottom: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid transparent;
  box-shadow: 3px 3px 0 rgba(138, 90, 43, 0.08);
  transition: border-color var(--ease);
}

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

.page-faq .faq-item[open] {
  border-top-color: var(--copper);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 0.55em;
  border-radius: 50%;
  background: var(--spark);
  transition: background var(--ease);
}

.page-faq .faq-item[open] summary::before {
  background: var(--ochre);
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cobalt);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--ochre);
}

.page-faq .faq-item__body {
  padding: 0 18px 16px 35px;
  border-top: 1px dashed var(--line-cool);
  margin-top: 2px;
  padding-top: 12px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(30, 36, 34, 0.86);
}

@media (min-width: 780px) {
  .page-faq .faq-ask {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-faq .faq-ask__fig {
    order: 0;
    position: sticky;
    top: 28px;
  }
}

/* ---------- 会员权益入口 ---------- */
.page-faq .faq-bene {
  gap: 14px;
}

.page-faq .faq-bene__card {
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid rgba(217, 164, 65, 0.55);
  border-left: 4px solid var(--gold);
}

.page-faq .faq-bene__num {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-faq .faq-bene__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-bene__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(30, 36, 34, 0.85);
}

/* ---------- 纠错与联系 ---------- */
.page-faq .faq-fix {
  display: grid;
  gap: 18px;
}

.page-faq .faq-fix__mail {
  padding: 20px;
  background: var(--maroon);
  color: var(--paper);
}

.page-faq .faq-fix__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--spark);
}

.page-faq .faq-fix__code {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 0.04em;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .faq-fix__mail p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(251, 248, 241, 0.86);
}

.page-faq .faq-fix__check {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-fix__check li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-fix__check li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .faq-fix__contact {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--mist);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.95;
}

.page-faq .faq-fix__contact p {
  margin: 0;
  word-break: break-word;
}

.page-faq .faq-fix__contact .num {
  color: var(--cobalt);
}

@media (min-width: 780px) {
  .page-faq .faq-fix {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }
}