.page-faq {
  --faq-rule: var(--grid);
  --faq-soft: rgba(30, 122, 78, .1);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--chalk);
  padding: clamp(26px, 4vw, 44px) 0 clamp(48px, 7vw, 92px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -46% 46%;
  height: 82%;
  background: linear-gradient(150deg, var(--grass) 0%, var(--grass-deep) 58%, transparent 58%);
  opacity: .26;
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--chalk-line);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .08em;
  color: var(--chalk-dim);
  margin-bottom: clamp(26px, 4vw, 52px);
}

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

.page-faq .faq-hero__crumb a:hover,
.page-faq .faq-hero__crumb a:focus-visible {
  color: var(--grass);
  border-bottom-color: var(--grass);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

.page-faq .faq-hero .eyebrow {
  color: var(--grass);
  font-family: var(--font-mono);
  letter-spacing: .24em;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1;
  letter-spacing: -.01em;
  margin: 14px 0 22px;
  color: var(--chalk);
}

.page-faq .faq-hero__intro {
  max-width: 34em;
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--chalk-text);
}

.page-faq .faq-hero__points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--chalk-dim);
}

.page-faq .faq-hero__points li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-hero__points li::before {
  content: "";
  flex: 0 0 auto;
  width: 28px;
  height: 1px;
  background: var(--grass);
}

.page-faq .faq-hero__act {
  margin: 32px 0 0;
}

.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 10px -10px -10px 10px;
  border: 1px solid var(--chalk-line);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.68) contrast(1.06) brightness(.86);
  border-bottom: 3px solid var(--grass);
}

/* ---------- 通用小节 ---------- */

.page-faq .faq-lead {
  max-width: 46em;
  margin: clamp(18px, 2vw, 26px) 0 0;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--ink-blue);
}

.page-faq .faq-steps,
.page-faq .faq-quick {
  background: var(--paper);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-faq .faq-qa {
  background: var(--paper-deep);
  padding: clamp(52px, 8vw, 100px) 0;
}

/* ---------- 三步 ---------- */

.page-faq .faq-steps__list {
  list-style: none;
  margin: clamp(32px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 34px;
}

@media (min-width: 820px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 34px);
  }
}

.page-faq .faq-step {
  position: relative;
  padding: 30px 22px 26px;
  border-top: 2px solid var(--faq-rule);
  background: transparent;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: -11px;
  left: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--grass);
  border: 4px solid var(--paper);
  box-sizing: content-box;
}

.page-faq .faq-step__no {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .2em;
  color: var(--grass-deep);
}

.page-faq .faq-step__title {
  margin: 0 0 12px;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0 0 12px;
  font-size: var(--fs-18);
  line-height: 1.8;
  color: var(--ink-blue);
}

.page-faq .faq-step__where {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-step__link {
  margin: 14px 0 0;
  font-size: var(--fs-15);
}

.page-faq .faq-step__link a {
  color: var(--grass-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--grass);
  padding-bottom: 2px;
}

.page-faq .faq-step__link a:hover,
.page-faq .faq-step__link a:focus-visible {
  color: var(--score-ink);
  border-bottom-color: var(--score-ink);
}

/* ---------- 问答折叠 ---------- */

.page-faq .faq-qa__list {
  margin: clamp(30px, 4vw, 48px) 0 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 14px;
  padding: 24px 0;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .12em;
  color: var(--steel);
}

.page-faq .faq-item__q {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1.5;
  color: var(--ink);
  transition: color 240ms var(--ease);
}

.page-faq .faq-item__summary:hover .faq-item__q {
  color: var(--grass-deep);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--grass-deep);
}

.page-faq .faq-item__arrow {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
}

.page-faq .faq-item__arrow::before,
.page-faq .faq-item__arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transition: transform 320ms var(--ease), opacity 320ms var(--ease), background 320ms var(--ease);
}

.page-faq .faq-item__arrow::before {
  width: 16px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__arrow::after {
  width: 2px;
  height: 16px;
  transform: translate(-50%, -50%);
}

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

.page-faq .faq-item[open] .faq-item__arrow::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  margin: 0 0 26px 56px;
  padding: 20px 24px;
  background: var(--paper);
  border-left: 2px solid var(--grass);
  animation: faq-slide 320ms var(--ease);
}

.page-faq .faq-item__body p {
  margin: 0 0 1em;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--ink-blue);
}

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

.page-faq .faq-item__body b {
  color: var(--ink);
}

@keyframes faq-slide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-qa__figure {
  margin: clamp(30px, 4vw, 46px) 0;
}

.page-faq .faq-qa__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.62) contrast(1.05) brightness(.92);
  border-bottom: 3px solid var(--grass);
}

.page-faq .faq-qa__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 反馈 ---------- */

.page-faq .faq-feedback {
  position: relative;
  background: var(--ink);
  color: var(--chalk);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-faq .faq-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(38%, 420px);
  height: 4px;
  background: var(--score);
}

.page-faq .faq-feedback__inner {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

@media (min-width: 880px) {
  .page-faq .faq-feedback__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

.page-faq .faq-feedback .eyebrow {
  color: var(--grass);
  font-family: var(--font-mono);
  letter-spacing: .24em;
}

.page-faq .faq-feedback__title {
  margin: 14px 0 20px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  color: var(--chalk);
}

.page-faq .faq-feedback__lead p {
  max-width: 36em;
  margin: 0 0 1em;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--chalk-text);
}

.page-faq .faq-feedback__card {
  background: var(--ink-blue);
  border: 1px solid var(--chalk-line);
  padding: clamp(22px, 3vw, 32px);
}

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

.page-faq .faq-feedback__row + .faq-feedback__row {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--chalk-line);
}

.page-faq .faq-feedback__row dt {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .16em;
  color: var(--chalk-dim);
}

.page-faq .faq-feedback__row dd {
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.7;
  color: var(--chalk);
}

.page-faq .faq-feedback__mail {
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  color: var(--score);
  word-break: break-all;
}

/* ---------- 速查表 ---------- */

.page-faq .faq-table-wrap {
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 2px solid var(--ink);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-15);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--steel);
}

.page-faq .faq-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  text-align: left;
  padding: 14px 16px;
  background: var(--ink);
  color: var(--chalk);
  font-weight: 500;
  font-size: var(--fs-13);
  letter-spacing: .16em;
}

.page-faq .faq-table tbody tr {
  border-bottom: 1px solid var(--faq-rule);
  transition: background 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: var(--paper-deep);
}

.page-faq .faq-table tbody tr:hover {
  background: var(--faq-soft);
  box-shadow: inset 3px 0 0 var(--grass);
}

.page-faq .faq-table th[scope="row"],
.page-faq .faq-table td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-table th[scope="row"] {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-table td {
  color: var(--ink-blue);
}

.page-faq .faq-table__hint {
  color: var(--steel);
  transition: color 240ms var(--ease);
}

.page-faq .faq-table tbody tr:hover .faq-table__hint {
  color: var(--ink);
}

.page-faq .faq-table a {
  color: var(--grass-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--grass);
  padding-bottom: 2px;
  white-space: nowrap;
}

.page-faq .faq-table a:hover,
.page-faq .faq-table a:focus-visible {
  color: var(--score-ink);
  border-bottom-color: var(--score-ink);
}

.page-faq .faq-table__here {
  color: var(--steel);
  white-space: nowrap;
}

/* ---------- 窄屏与动效偏好 ---------- */

@media (max-width: 600px) {
  .page-faq .faq-item__summary {
    grid-template-columns: 32px minmax(0, 1fr) 20px;
    gap: 10px;
    padding: 20px 0;
  }

  .page-faq .faq-item__body {
    margin-left: 0;
    padding: 18px 18px;
  }

  .page-faq .faq-hero__media::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body {
    animation: none;
  }

  .page-faq .faq-item__arrow::before,
  .page-faq .faq-item__arrow::after,
  .page-faq .faq-item__q,
  .page-faq .faq-table tbody tr,
  .page-faq .faq-table__hint {
    transition: none;
  }
}