/* ===== 常见问答页 · page-faq ===== */

.page-faq {
  --faq-pad: clamp(18px, 3vw, 42px);
  --faq-rule: 2px solid var(--line);
  display: block;
  padding-block: clamp(24px, 3.6vw, 48px) clamp(48px, 7vw, 92px);
  background:
    radial-gradient(110% 55% at 8% -4%, rgba(184, 245, 61, 0.08), transparent 58%),
    radial-gradient(85% 45% at 100% 104%, rgba(242, 180, 65, 0.06), transparent 62%);
  color: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  padding: var(--faq-pad);
  padding-right: calc(var(--faq-pad) + 18px);
  margin-bottom: clamp(30px, 4.6vw, 60px);
  border: var(--faq-rule);
  background: linear-gradient(158deg, rgba(18, 59, 49, 0.94) 0%, rgba(11, 43, 36, 0.74) 60%, rgba(11, 43, 36, 0.92) 100%);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 87, 71, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 87, 71, 0.55) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(85% 75% at 16% 6%, #000 0%, transparent 76%);
  mask-image: radial-gradient(85% 75% at 16% 6%, #000 0%, transparent 76%);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-intro::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 100%;
  background-image: repeating-linear-gradient(to bottom, var(--line) 0 2px, transparent 2px 20px);
  opacity: 0.85;
  pointer-events: none;
}

.page-faq .faq-intro > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-intro .eyebrow {
  display: block;
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--signal);
  text-transform: uppercase;
}

.page-faq .faq-intro__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  transform: skewX(-1.2deg);
  transform-origin: left center;
  text-wrap: balance;
}

.page-faq .faq-intro__lead {
  max-width: 68ch;
  margin: 0 0 22px;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--paper);
  border-left: 3px solid var(--signal);
  padding-left: 14px;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump__link {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: rgba(11, 43, 36, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
  outline: none;
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-sec {
  margin-top: clamp(34px, 5vw, 68px);
  padding-top: clamp(22px, 3.2vw, 36px);
  border-top: var(--faq-rule);
}

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

.page-faq .faq-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-sec-head__idx {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-faq .faq-sec-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-faq .faq-sec-lead {
  max-width: 76ch;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-sec-lead strong {
  color: var(--signal);
  font-weight: 700;
}

.page-faq .faq-note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--clay);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-note a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-fig {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-fig .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--faq-rule);
  object-fit: cover;
  background: var(--ink-2);
}

.page-faq .faq-fig .media-frame__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 路径对照 ---------- */
.page-faq .path-compare {
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
}

.page-faq .path-lane {
  padding: clamp(14px, 2vw, 20px);
  border: var(--faq-rule);
  background: rgba(18, 59, 49, 0.5);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .path-lane:hover,
.page-faq .path-lane:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(242, 180, 65, 0.32);
}

.page-faq .path-lane__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .path-lane__count {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

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

.page-faq .path-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 12px;
  border-left: 3px solid var(--line);
  background: rgba(11, 43, 36, 0.6);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .path-step__n {
  flex: none;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
  transition: color 0.2s var(--ease);
}

.page-faq .path-step__t {
  font-size: 14px;
  line-height: 1.62;
  color: var(--paper);
}

.page-faq .path-lane--new .path-step {
  border-left-color: rgba(184, 245, 61, 0.72);
}

.page-faq .path-lane--new .path-step__n {
  color: var(--signal);
}

.page-faq .path-lane:hover .path-step,
.page-faq .path-lane:focus-within .path-step {
  border-left-color: var(--gold);
  background: rgba(28, 87, 71, 0.62);
}

.page-faq .path-lane:hover .path-step__n,
.page-faq .path-lane:focus-within .path-step__n {
  color: var(--gold);
}

/* ---------- 适配清单网格 ---------- */
.page-faq .adapt-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 1px;
  border: var(--faq-rule);
  background: var(--line);
}

.page-faq .adapt-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 13px;
  background: var(--ink);
  transition: background-color 0.18s var(--ease);
}

.page-faq .adapt-item:hover {
  background: var(--ink-2);
}

.page-faq .adapt-item__n {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-faq .adapt-item__t {
  font-size: 13px;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-list--tight {
  margin-top: clamp(14px, 2vw, 20px);
}

.page-faq .faq-item {
  padding: clamp(14px, 2vw, 20px);
  border: var(--faq-rule);
  background: rgba(18, 59, 49, 0.42);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  background: rgba(18, 59, 49, 0.74);
  border-color: rgba(184, 245, 61, 0.42);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  outline: none;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.page-faq .faq-item__qnum {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-item__qtext {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-item__q::after {
  content: "−";
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--signal);
}

.page-faq .faq-item:not([open]) .faq-item__q::after {
  content: "+";
  color: var(--mist);
}

.page-faq .faq-item__a {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-item__a p {
  max-width: 70ch;
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

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

/* ---------- 旧版入口卡片 ---------- */
.page-faq .legacy-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  border: var(--faq-rule);
  background:
    linear-gradient(120deg, rgba(196, 112, 79, 0.16), rgba(11, 43, 36, 0.6) 68%);
  box-shadow: var(--shadow-soft);
}

.page-faq .legacy-card__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 10px;
  border: 1px solid var(--gold);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .legacy-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .legacy-card__text {
  max-width: 72ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 自查清单与联系 ---------- */
.page-faq .faq-selfcheck {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-selfcheck__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(11, 43, 36, 0.5);
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
  transition: border-color 0.18s var(--ease);
}

.page-faq .faq-selfcheck__item:hover {
  border-color: var(--signal);
}

.page-faq .faq-selfcheck__n {
  flex: none;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 28px);
  border: 2px solid var(--gold);
  background: linear-gradient(140deg, rgba(242, 180, 65, 0.14), rgba(11, 43, 36, 0.58) 70%);
}

.page-faq .faq-contact__body {
  flex: 1 1 300px;
  min-width: 0;
}

.page-faq .faq-contact__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-contact__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--gold);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .path-compare {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq .adapt-list {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-item {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(22px, 3vw, 46px);
    align-items: start;
  }

  .page-faq .faq-item__a {
    margin-top: 0;
    padding-left: clamp(18px, 2.4vw, 30px);
  }

  .page-faq .faq-item__a p {
    font-size: 14.5px;
  }

  .page-faq .faq-selfcheck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .adapt-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .path-lane,
  .page-faq .path-step,
  .page-faq .path-step__n,
  .page-faq .faq-item,
  .page-faq .adapt-item,
  .page-faq .faq-selfcheck__item {
    transition: none;
  }

  .page-faq .faq-intro__title {
    transform: none;
  }
}