.page-faq {
  --faq-side: 300px;
  --faq-line: rgba(143, 163, 176, 0.34);
  background: var(--cream);
  color: var(--ink-brown);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(79, 143, 122, 0.22), transparent 58%),
    radial-gradient(90% 70% at 12% 100%, rgba(217, 154, 43, 0.12), transparent 60%),
    var(--ink-deep);
  color: var(--cream);
  padding-block: clamp(32px, 4.6vw, 68px) clamp(44px, 6vw, 88px);
  border-bottom: 1px solid rgba(217, 154, 43, 0.34);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 42px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--rail-text);
}

.page-faq .breadcrumbs a {
  color: var(--rail-text);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--amber-soft);
}

.page-faq .breadcrumbs__sep {
  color: rgba(188, 204, 214, 0.45);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3.4vw, 48px);
}

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

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--paper);
  max-width: 16em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 40em;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 2.6vw, 34px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--rail-line);
  border-left: 2px solid var(--celadon);
  border-radius: var(--radius);
  background: rgba(244, 235, 221, 0.045);
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
  padding-top: 3px;
}

.page-faq .faq-steps__title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rail-text);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 56px);
  padding-top: clamp(36px, 4.6vw, 72px);
  padding-bottom: clamp(48px, 6vw, 96px);
}

/* ---------- 目录树 ---------- */
.page-faq .faq-tree__fig {
  margin: 0 0 22px;
}

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

.page-faq .faq-tree__box {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-faq .faq-tree__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-deep);
}

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

.page-faq .faq-tree__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--celadon);
}

.page-faq .faq-tree__box[open] .faq-tree__summary::after {
  content: "－";
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-tree__link,
.page-faq .faq-tree__static {
  display: grid;
  grid-template-columns: 10px 24px 1fr auto;
  align-items: center;
  column-gap: 7px;
  padding: 8px 0;
  font-size: 14.5px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--ink-brown);
  border-bottom: 1px solid rgba(143, 163, 176, 0.22);
}

.page-faq .faq-tree__link::before,
.page-faq .faq-tree__static::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
  justify-self: center;
}

.page-faq .faq-tree__static::before {
  background: var(--line);
}

.page-faq .faq-tree__static {
  color: var(--muted);
}

.page-faq .faq-tree__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--celadon);
  letter-spacing: 0.04em;
}

.page-faq .faq-tree__static .faq-tree__num {
  color: var(--line);
}

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

.page-faq .faq-tree__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-tree__link:hover {
  color: var(--celadon);
}

.page-faq .faq-tree__link:hover .faq-tree__num {
  color: var(--amber);
}

.page-faq .faq-tree__sub {
  list-style: none;
  margin: 2px 0 10px;
  padding: 2px 0 2px 14px;
  border-left: 1px solid var(--celadon-soft);
}

.page-faq .faq-tree__sub li {
  padding: 3px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 正文区 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(34px, 4vw, 64px);
  min-width: 0;
}

.page-faq .faq-sec {
  padding-top: clamp(26px, 3.2vw, 44px);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
}

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

.page-faq .faq-sec:target .faq-sec__title {
  color: var(--celadon);
}

.page-faq .faq-sec__title {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-faq .faq-sec__lede {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-body :is(p, li) > a:not(.btn):not(.copy-btn) {
  color: var(--celadon);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-body :is(p, li) > a:not(.btn):not(.copy-btn):hover {
  color: var(--brick);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid rgba(143, 163, 176, 0.42);
  border-radius: var(--radius);
  background: var(--paper);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.page-faq .qa:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.page-faq .qa__summary {
  position: relative;
  display: block;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-deep);
}

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

.page-faq .qa__summary::after {
  content: "＋";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--celadon);
}

.page-faq .qa[open] .qa__summary::after {
  content: "－";
}

.page-faq .qa__n {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .qa__body {
  padding: 14px 16px 16px;
  border-top: 1px solid rgba(143, 163, 176, 0.3);
}

.page-faq .qa__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-brown);
}

.page-faq .amount {
  font-family: var(--font-mono);
  font-size: 1.14em;
  font-weight: 600;
  color: var(--ink-deep);
  padding: 0 1px;
  background: linear-gradient(transparent 62%, var(--amber-soft) 62%);
}

.page-faq .qa__facts {
  list-style: none;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--cream-2);
}

.page-faq .qa__facts li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 6px 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-brown);
}

.page-faq .qa__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--celadon);
}

/* ---------- 编号流程 ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-flow__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
}

.page-faq .faq-flow__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 24px;
  border-radius: 2px;
  background: var(--amber-soft);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-flow__title {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink-deep);
}

.page-faq .faq-flow__content p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-brown);
}

/* ---------- 提示块 ---------- */
.page-faq .faq-note {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--celadon);
  border-radius: var(--radius);
  background: var(--cream-2);
}

.page-faq .faq-note__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
}

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

.page-faq .faq-note__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-note__list li + li {
  margin-top: 8px;
}

.page-faq .faq-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
}

/* ---------- 客户端深色章 ---------- */
.page-faq .faq-sec--ink {
  border-top: 0;
  padding: clamp(24px, 3.4vw, 44px);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(79, 143, 122, 0.16), transparent 62%),
    var(--ink-navy);
  color: var(--cream);
}

.page-faq .faq-sec--ink .eyebrow {
  color: var(--celadon-soft);
}

.page-faq .faq-sec--ink .faq-sec__title {
  color: var(--paper);
}

.page-faq .faq-sec--ink .faq-sec__lede {
  color: rgba(244, 235, 221, 0.78);
}

.page-faq .faq-sec--ink:target .faq-sec__title {
  color: var(--amber-soft);
}

.page-faq .faq-sec--ink .faq-flow__title {
  color: var(--paper);
}

.page-faq .faq-sec--ink .faq-flow__content p {
  color: rgba(244, 235, 221, 0.8);
}

.page-faq .faq-sec--ink :is(p, li) > a:not(.btn):not(.copy-btn) {
  color: var(--amber-soft);
}

.page-faq .faq-client__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

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

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

/* ---------- 栏目服务浅绿章 ---------- */
.page-faq .faq-sec--celadon {
  border-top: 0;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius);
  border-left: 3px solid var(--celadon);
  background: rgba(168, 201, 188, 0.22);
}

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

.page-faq .faq-lines__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(79, 143, 122, 0.3);
}

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

.page-faq .faq-lines__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-faq .faq-lines__item p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-brown);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  margin-top: 4px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(143, 163, 176, 0.32);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-contact__v {
  min-width: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-deep);
  word-break: break-word;
}

.page-faq .faq-contact__v.mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-contact .copy-btn {
  align-self: start;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--cream);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-faq .faq-contact .copy-btn:hover {
  background: var(--amber-soft);
  border-color: var(--amber);
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .qa__facts li {
    grid-template-columns: 76px 1fr;
    gap: 10px;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr) auto;
  }

  .page-faq .faq-contact__k {
    grid-column: auto;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-lines__item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-client__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(36px, 4.4vw, 72px);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-tree__sticky {
    position: sticky;
    top: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .copy-btn {
    transition: none;
  }

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