/* ===== 查阅指南 / page-faq ===== */
.page-faq {
  --faq-pad: 22px;
  position: relative;
  overflow-x: hidden;
  background: var(--pitch-deep);
  color: var(--chalk);
  font-family: var(--ff-body);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  border-bottom: var(--edge);
  background: var(--pitch-deep);
}

.page-faq .faq-crumb .yk-container {
  padding-top: 13px;
  padding-bottom: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: var(--edge);
  background:
    repeating-linear-gradient(90deg, rgba(44, 106, 75, 0.16) 0 1px, transparent 1px 64px),
    linear-gradient(180deg, var(--pitch-night) 0%, var(--pitch-deep) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 3px;
  background: var(--sand);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
  padding-top: 40px;
  padding-bottom: 48px;
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-family: var(--ff-display);
  font-size: 0.78rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(1.75rem, 6.6vw, 3.2rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dust);
}

.page-faq .faq-board {
  border: var(--edge);
  background: var(--pitch-night);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--pitch-mid);
}

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

.page-faq .faq-board__k {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--dust);
}

.page-faq .faq-board__v {
  font-family: var(--ff-mono);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--sand);
  white-space: nowrap;
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-sec {
  padding: 52px 0;
  border-bottom: var(--edge);
}

.page-faq .faq-sec:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 10px;
  margin-bottom: 30px;
  padding-left: 16px;
  border-left: 2px solid var(--sand);
}

.page-faq .faq-sec__num {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--sand);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 4.8vw, 2rem);
  line-height: 1.28;
  font-weight: 700;
  color: var(--chalk);
}

.page-faq .faq-sec__sub {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 三步定位 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
}

.page-faq .faq-step {
  display: block;
  padding: 20px 18px 22px;
  border: var(--edge);
  background: var(--pitch-night);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-visible {
  border-color: var(--sand);
  background: var(--pitch-mid);
  transform: translate(-2px, -2px);
}

.page-faq .faq-step__no {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px 6px;
  border: 2px solid var(--sand);
  font-family: var(--ff-mono);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--sand);
}

.page-faq .faq-step__t {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--chalk);
}

.page-faq .faq-step__d {
  display: block;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--dust);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 30px;
  border: var(--edge);
  background: var(--pitch-night);
}

.page-faq .faq-figure .yk-figure__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-faq .faq-figure--texture {
  margin-bottom: 24px;
}

.page-faq .faq-figure--texture .yk-figure__media {
  aspect-ratio: 5 / 2;
}

/* ---------- 步骤细节折叠 ---------- */
.page-faq .faq-details {
  display: grid;
  gap: 10px;
}

.page-faq .faq-detail {
  border: var(--edge);
  background: var(--pitch-night);
}

.page-faq .faq-detail > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  font-family: var(--ff-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--sand);
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

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

.page-faq .faq-detail > summary::after {
  content: "＋";
  font-family: var(--ff-mono);
  color: var(--sand);
}

.page-faq .faq-detail[open] > summary::after {
  content: "－";
}

.page-faq .faq-detail > summary:hover {
  background: var(--pitch-mid);
}

.page-faq .faq-detail p {
  margin: 0;
  padding: 2px 16px 18px;
  max-width: 68ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--dust);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary {
  border: var(--edge);
  background: var(--pitch-night);
}

.page-faq .faq-glossary__head {
  display: none;
}

.page-faq .faq-glossary__list {
  margin: 0;
  padding: 0;
}

.page-faq .faq-glossary__row {
  border-bottom: 1px solid var(--pitch-mid);
  transition: background var(--ease);
}

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

.page-faq .faq-glossary__row:hover {
  background: var(--pitch-mid);
}

.page-faq .faq-glossary__row dt {
  padding: 12px 16px 2px;
  font-family: var(--ff-mono);
  font-size: 0.9rem;
  color: var(--chalk);
}

.page-faq .faq-glossary__row dd {
  margin: 0;
  padding: 2px 16px 13px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--dust);
}

/* ---------- 问答 ---------- */
.page-faq .faq-sec--qa {
  background: linear-gradient(180deg, var(--pitch-deep) 0%, var(--pitch-night) 100%);
}

.page-faq .faq-qa {
  display: grid;
}

.page-faq .faq-item {
  border-left: 2px solid var(--line-green);
  transition: border-color var(--ease);
}

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 18px 4px 18px 12px;
  list-style: none;
  cursor: pointer;
  transition: background var(--ease);
}

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

.page-faq .faq-item__q:hover {
  background: rgba(23, 59, 43, 0.6);
}

.page-faq .faq-item__no {
  font-family: var(--ff-mono);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--line-green);
  transition: color var(--ease);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--sand);
}

.page-faq .faq-item__text {
  font-size: 0.98rem;
  line-height: 1.65;
  font-weight: 600;
  color: var(--chalk);
}

.page-faq .faq-item__a {
  padding: 0 14px 20px 46px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--dust);
}

.page-faq .faq-item__a a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-item__a a:hover {
  color: var(--flag-yellow);
  border-bottom-color: var(--flag-yellow);
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-check {
  display: grid;
  gap: 0;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  border: var(--edge);
  background: var(--pitch-night);
}

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 16px;
  border-bottom: 1px solid var(--pitch-mid);
}

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

.page-faq .faq-check__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--line-green);
  font-family: var(--ff-mono);
  font-size: 0.95rem;
  color: var(--sand);
}

.page-faq .faq-check__body h3 {
  margin: 4px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--chalk);
}

.page-faq .faq-check__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-faq .faq-handoff {
  display: grid;
  gap: 18px;
  padding: 22px 20px;
  border: var(--edge);
  border-left: 4px solid var(--flag-red);
  background: var(--pitch-mid);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-handoff__text {
  margin: 0;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--chalk);
}

.page-faq .faq-handoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 引用 ---------- */
.page-faq .faq-cite {
  display: grid;
  gap: 22px;
}

.page-faq .faq-cite__box {
  padding: 20px 18px;
  border: var(--edge);
  background: var(--pitch-night);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-cite__label {
  margin: 0 0 10px;
  font-family: var(--ff-display);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-faq .faq-cite__sample {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--sand);
  word-break: break-word;
}

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

.page-faq .faq-cite__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-faq .faq-cite__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  background: var(--line-green);
}

.page-faq .faq-cite__list a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
}

.page-faq .faq-cite__list a:hover {
  color: var(--flag-yellow);
  border-bottom-color: var(--flag-yellow);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-end {
  margin-top: 34px;
  padding: 26px 20px;
  border: var(--edge);
  background:
    repeating-linear-gradient(90deg, rgba(44, 106, 75, 0.18) 0 1px, transparent 1px 56px),
    var(--pitch-night);
}

.page-faq .faq-end h2 {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 4.2vw, 1.6rem);
  font-weight: 700;
  color: var(--chalk);
}

.page-faq .faq-end p {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 无 JS 兜底 ---------- */
.page-faq [data-reveal] {
  opacity: 1;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-glossary__head {
    display: grid;
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 2fr);
    border-bottom: var(--edge);
    background: var(--pitch-mid);
    font-family: var(--ff-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--dust);
  }

  .page-faq .faq-glossary__head span {
    padding: 12px 18px;
  }

  .page-faq .faq-glossary__head span + span {
    border-left: 1px solid var(--line-green);
  }

  .page-faq .faq-glossary__row {
    display: grid;
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 2fr);
  }

  .page-faq .faq-glossary__row dt {
    padding: 14px 18px;
  }

  .page-faq .faq-glossary__row dd {
    padding: 14px 18px;
    border-left: 1px solid var(--pitch-mid);
  }

  .page-faq .faq-check__item {
    grid-template-columns: 54px minmax(0, 1fr);
    padding: 20px 20px;
  }

  .page-faq .faq-cite {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 880px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
    gap: 52px;
    padding-top: 58px;
    padding-bottom: 66px;
  }

  .page-faq .faq-sec {
    padding: 78px 0;
  }

  .page-faq .faq-sec__head {
    margin-bottom: 38px;
    padding-left: 20px;
  }

  .page-faq .faq-item__q {
    grid-template-columns: 46px minmax(0, 1fr);
    padding: 20px 8px 20px 18px;
  }

  .page-faq .faq-item__no {
    font-size: 1.5rem;
  }

  .page-faq .faq-item__a {
    padding-left: 64px;
    padding-right: 24px;
  }

  .page-faq .faq-handoff {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px 26px;
  }

  .page-faq .faq-end {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 30px 28px;
  }

  .page-faq .faq-end h2 {
    grid-column: 1;
    margin-bottom: 8px;
  }

  .page-faq .faq-end p {
    grid-column: 1;
    margin-bottom: 0;
  }

  .page-faq .faq-end .yk-btn {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}
<<<END>>>