.page-faq {
  background: var(--cream);
  color: var(--espresso);
  font-family: var(--sans);
  line-height: 1.8;
  overflow-x: hidden;
}

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

/* ---------- 封面 ---------- */
.page-faq .faq-cover {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--cream);
  padding: clamp(28px, 5vw, 56px) var(--gutter) clamp(40px, 6vw, 76px);
}

.page-faq .faq-cover__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
}

.page-faq .faq-cover .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
}

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

.page-faq .faq-cover .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-faq .faq-cover .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(127, 179, 172, 0.6);
}

.page-faq .faq-cover__eyebrow {
  color: var(--amber);
  margin: 0 0 14px;
}

.page-faq .faq-cover__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  max-width: 16ch;
}

.page-faq .faq-cover__lead {
  max-width: 62ch;
  margin: 0;
  color: rgba(244, 237, 224, 0.88);
  font-size: clamp(16px, 1.9vw, 18px);
}

.page-faq .faq-cover__jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
}

.page-faq .faq-cover__jump a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid rgba(127, 179, 172, 0.45);
  border-radius: var(--pill);
  color: var(--celadon);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-cover__jump a:hover {
  border-color: var(--amber);
  color: var(--amber-light);
}

.page-faq .faq-cover__rings {
  position: absolute;
  right: -14%;
  bottom: -32%;
  width: min(620px, 88vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid rgba(127, 179, 172, 0.26);
  box-shadow:
    0 0 0 44px rgba(127, 179, 172, 0.07),
    0 0 0 92px rgba(217, 164, 65, 0.06);
  pointer-events: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 68px) var(--gutter) clamp(52px, 7vw, 96px);
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-toc {
  border: 1px solid rgba(88, 117, 106, 0.34);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.5);
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--verdigris);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-faq .faq-toc__list li {
  flex: none;
}

.page-faq .faq-toc__list a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--pill);
  font-size: 14px;
  text-decoration: none;
  color: var(--espresso);
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-toc__list a:hover {
  background: var(--ink);
  color: var(--cream);
}

.page-faq .faq-toc__list .mono {
  color: var(--amber-deep);
  margin-right: 6px;
  font-size: 12px;
}

.page-faq .faq-toc__list a:hover .mono {
  color: var(--amber-light);
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(46px, 6vw, 78px);
  min-width: 0;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  min-width: 0;
}

.page-faq .section__head {
  border-top: 1px solid rgba(88, 117, 106, 0.34);
  padding-top: 16px;
  margin-bottom: 22px;
}

.page-faq .section__head .eyebrow {
  color: var(--verdigris);
  margin: 0 0 8px;
}

.page-faq .section__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 0 0 12px;
  max-width: 22ch;
}

.page-faq .section__lead {
  margin: 0;
  max-width: 64ch;
  color: var(--verdigris);
  font-size: clamp(15px, 1.8vw, 17px);
}

.page-faq .faq-section > p {
  max-width: 64ch;
  margin: 22px 0 0;
}

/* ---------- 四步卡 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .step {
  position: relative;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(88, 117, 106, 0.3);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-faq .step__num {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber-deep);
  margin-bottom: 6px;
}

.page-faq .step__title {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-faq .step p {
  margin: 0;
  font-size: 15.5px;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-list {
  border-top: 1px solid rgba(88, 117, 106, 0.3);
}

.page-faq .qa {
  border-bottom: 1px solid rgba(88, 117, 106, 0.3);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.5;
  color: var(--espresso);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1.3;
  color: var(--amber-deep);
}

.page-faq .qa[open] summary::after {
  content: "\2013";
}

.page-faq .qa summary:hover,
.page-faq .qa[open] summary {
  color: var(--amber-deep);
}

.page-faq .qa__body {
  padding: 0 0 20px;
  max-width: 64ch;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 15.5px;
  color: var(--espresso);
}

/* ---------- 朱砂旁注 ---------- */
.page-faq .note-cinnabar {
  margin: 26px 0 0;
  padding: 8px 0 8px 18px;
  border-left: 4px solid var(--cinnabar);
  font-size: 18px;
  line-height: 1.7;
  max-width: 56ch;
  color: var(--espresso);
}

/* ---------- 编号示例 ---------- */
.page-faq .ref-codes {
  margin: 30px 0 0;
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-lg);
  padding: 20px clamp(16px, 3vw, 26px);
  overflow-x: auto;
}

.page-faq .ref-codes__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

.page-faq .ref-codes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 250px;
}

.page-faq .ref-codes li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(127, 179, 172, 0.3);
  font-family: var(--mono);
  font-size: 15px;
}

.page-faq .ref-codes li:last-child {
  border-bottom: none;
}

.page-faq .ref-codes__name {
  color: rgba(244, 237, 224, 0.86);
}

.page-faq .ref-codes__num {
  color: var(--amber);
  letter-spacing: 0.06em;
}

/* ---------- 图 ---------- */
.page-faq .figure {
  margin: 30px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .figure__cap {
  padding: 10px 2px 0;
  font-size: 13px;
  color: var(--verdigris);
}

/* ---------- 联系盒 ---------- */
.page-faq .helpbox {
  background: var(--felt);
  color: var(--cream);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.6vw, 38px);
  margin-top: 4px;
}

.page-faq .helpbox__title {
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 24px);
  margin: 0 0 16px;
  color: var(--cream);
}

.page-faq .helpbox__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .helpbox__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(127, 179, 172, 0.26);
}

.page-faq .helpbox__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .helpbox__label {
  flex: none;
  min-width: 76px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

.page-faq .helpbox__value {
  font-family: var(--mono);
  font-size: 15px;
  word-break: break-word;
  color: var(--amber-light);
}

.page-faq .helpbox__note {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 15px;
  color: rgba(244, 237, 224, 0.86);
}

.page-faq .helpbox .btn--amber {
  color: var(--ink-deep);
  text-decoration: none;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-faq .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .figure__img {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 62px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-toc__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-toc__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-toc__list a {
    display: block;
    border-radius: var(--radius-sm);
    padding: 7px 12px;
  }

  .page-faq .faq-flow {
    max-width: 860px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .step:hover,
  .page-faq .faq-toc__list a,
  .page-faq .faq-cover__jump a,
  .page-faq .qa summary {
    transition: none;
    transform: none;
  }
}