.page-faq {
  --faq-col: 56px;
  --faq-rule: 1px solid var(--grid);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏：非对称分栏 ---------- */
.page-faq .faq-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  border-top: 3px solid var(--steel);
  padding-top: clamp(18px, 2.4vw, 32px);
}

.page-faq .faq-head__main { order: 1; min-width: 0; }
.page-faq .faq-head__meta { order: 2; min-width: 0; }

.page-faq .faq-head__title {
  margin: 0;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--headline);
}

.page-faq .faq-head__lede {
  margin: clamp(14px, 1.6vw, 20px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.85;
  color: var(--body);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(18px, 2.4vw, 40px);
  margin: clamp(20px, 2.4vw, 30px) 0 0;
  padding: clamp(16px, 1.8vw, 20px) 0 0;
  list-style: none;
  border-top: var(--faq-rule);
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex: 1 1 170px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-fact__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--note);
}

.page-faq .faq-head__kicker {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-head__note {
  margin: 0;
  max-width: 40ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--note);
}

.page-faq .faq-jump {
  margin-top: clamp(18px, 2vw, 26px);
  border-left: 2px solid var(--steel);
  padding-left: 12px;
}

.page-faq .faq-jump__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
  text-decoration: none;
  transition: border-color var(--t-fast), background-color var(--t-fast), color var(--t-fast);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--panel);
  color: var(--headline);
}

.page-faq .faq-jump__num {
  font-size: 12px;
  color: var(--note-dim);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  margin-top: clamp(52px, 7vw, 104px);
}

.page-faq .faq-sec .section-head {
  margin-bottom: clamp(18px, 2.4vw, 32px);
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

/* ---------- 媒体 ---------- */
.page-faq .media {
  margin: 0;
}

.page-faq .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line-strong);
  background: var(--panel-2);
}

.page-faq .faq-map .media__img {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-flow .media__img {
  aspect-ratio: 16 / 9;
}

.page-faq .media__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--note-dim);
}

/* ---------- 表格 ---------- */
.page-faq .faq-table-area__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--note);
}

.page-faq .data-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  border: var(--faq-rule);
  background: var(--panel-2);
}

.page-faq .data-table th,
.page-faq .data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: var(--faq-rule);
  vertical-align: top;
}

.page-faq .data-table th {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--note);
  background: var(--panel);
}

.page-faq .data-table td {
  font-size: 14px;
  line-height: 1.7;
  color: var(--body);
}

.page-faq .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .data-table tbody tr:hover td {
  background: var(--panel);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-faq .data-table__num {
  color: var(--cyan);
}

/* ---------- 问答手风琴：窄栏问题 + 宽栏答案 ---------- */
.page-faq .qa-list {
  border: var(--faq-rule);
  background: var(--panel-2);
}

.page-faq .qa {
  border-top: var(--faq-rule);
}

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

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 12px;
  padding: 18px 16px;
  border-left: 3px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

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

.page-faq .qa__summary:hover,
.page-faq .qa__summary:focus-visible {
  background: var(--panel);
  border-left-color: var(--cyan);
}

.page-faq .qa[open] > .qa__summary {
  background: var(--panel);
  border-left-color: var(--cyan);
}

.page-faq .qa__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--note-dim);
  transition: color var(--t-fast);
}

.page-faq .qa[open] .qa__num,
.page-faq .qa__summary:hover .qa__num {
  color: var(--cyan);
}

.page-faq .qa__title {
  margin: 0;
  font-size: clamp(15px, 1.15vw, 17px);
  font-weight: 700;
  line-height: 1.65;
  color: var(--headline);
}

.page-faq .qa__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 0 16px 20px 16px;
  border-left: 3px solid var(--grid);
}

.page-faq .qa__aside {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--note-dim);
}

.page-faq .qa__main {
  min-width: 0;
  max-width: 74ch;
}

.page-faq .qa__p {
  margin: 0 0 10px;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.85;
  color: var(--body);
}

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

.page-faq .qa__list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-faq .qa__list li::marker {
  color: var(--cyan);
}

.page-faq .qa__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 198, 0.42);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--headline);
}

/* ---------- 提示条 ---------- */
.page-faq .tipbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(22px, 2.8vw, 36px);
  padding: 16px 18px;
  border: 1px solid rgba(255, 138, 66, 0.5);
  border-left: 4px solid var(--amber);
  background: rgba(255, 138, 66, 0.06);
}

.page-faq .tipbar__mark {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .tipbar__text {
  margin: 0;
  max-width: 92ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--body);
}

/* ---------- 面板 ---------- */
.page-faq .faq-panel {
  padding: clamp(18px, 2.2vw, 26px);
  border: var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-mid);
}

.page-faq .faq-panel__head {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-faq .faq-panel__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.page-faq .faq-panel__list li::marker {
  color: var(--violet);
}

.page-faq .faq-panel__list .mono {
  color: var(--cyan);
}

.page-faq .faq-panel__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--faq-rule);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--note);
}

.page-faq .faq-panel .copy-btn {
  margin-top: 14px;
}

.page-faq .panel .note,
.page-faq .faq-panel .note {
  display: block;
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--note);
}

/* ---------- 收束分流 ---------- */
.page-faq .faq-close {
  padding: clamp(18px, 2.4vw, 28px);
  border: var(--line-strong);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-route__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 0;
  border-top: var(--faq-rule);
  border-left: 3px solid transparent;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

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

.page-faq .faq-route__item:hover {
  border-left-color: var(--cyan);
  background: var(--panel);
}

.page-faq .faq-route__num {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-route__link {
  font-size: clamp(16px, 1.3vw, 19px);
  font-weight: 700;
  color: var(--headline);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-faq .faq-route__link:hover,
.page-faq .faq-route__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-route__desc {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--note);
}

.page-faq .faq-close__note {
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding-top: 14px;
  border-top: var(--faq-rule);
  font-size: 13px;
  line-height: 1.85;
  color: var(--note);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-faq {
    --faq-col: 92px;
  }

  .page-faq .faq-head {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 9fr);
  }

  .page-faq .faq-head__meta { order: 1; }
  .page-faq .faq-head__main { order: 2; }

  .page-faq .faq-split--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
  .page-faq .faq-split--4-8 { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); align-items: start; }
  .page-faq .faq-split--8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); align-items: start; }

  .page-faq .qa__summary {
    grid-template-columns: var(--faq-col) minmax(0, 1fr) 24px;
    gap: 20px;
    padding: 22px 24px;
  }

  .page-faq .qa__num {
    padding-top: 5px;
  }

  .page-faq .qa__body {
    grid-template-columns: var(--faq-col) minmax(0, 1fr);
    gap: 20px;
    padding: 0 24px 24px 24px;
  }

  .page-faq .tipbar {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: start;
    padding: 18px 22px;
  }

  .page-faq .faq-route__item {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 18px 0;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(250px, 3.4fr) minmax(0, 8.6fr);
    gap: clamp(32px, 4vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .qa__summary,
  .page-faq .qa__num,
  .page-faq .qa__link,
  .page-faq .data-table tbody tr:hover td,
  .page-faq .faq-route__item,
  .page-faq .faq-route__link {
    transition: none;
  }
}