/* ================= 答疑中心 ================= */
.page-faq {
  display: block;
}

.page-faq .grid > * {
  min-width: 0;
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  padding: clamp(20px, 3.2vw, 38px) 0 clamp(14px, 2.2vw, 24px);
}

.page-faq .faq-head__title {
  margin: 14px 0 0;
  max-width: 20em;
  font-size: clamp(27px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--fir);
  overflow-wrap: anywhere;
}

.page-faq .faq-head__lead {
  margin: 18px 0 0;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 置顶问题块 ---------- */
.page-faq .pin-block {
  margin-top: clamp(10px, 2vw, 20px);
  scroll-margin-top: 84px;
}

.page-faq .pin-block__grid {
  align-items: start;
}

.page-faq .pin-block__main {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-paper);
  padding: clamp(20px, 3vw, 38px) clamp(18px, 3vw, 36px) clamp(22px, 3vw, 36px) clamp(24px, 3.4vw, 42px);
}

.page-faq .pin-block__main::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: var(--maple);
}

.page-faq .pin-block__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--fir);
}

.page-faq .pin-block__sym {
  margin: 16px 0 22px;
  padding: 12px 16px;
  background: var(--pulp);
  border-left: 3px solid var(--ice);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--fir);
}

/* 三步排查 */
.page-faq .step-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  counter-reset: step;
}

.page-faq .step-list__item {
  position: relative;
  counter-increment: step;
  padding: 0 0 18px 54px;
}

.page-faq .step-list__item:last-child {
  padding-bottom: 0;
}

.page-faq .step-list__item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--maple);
  background: var(--paper);
  border: 1px solid var(--maple);
}

.page-faq .step-list__name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--fir);
  margin-bottom: 4px;
}

.page-faq .step-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* 需要提交的信息 */
.page-faq .apply-note {
  border: 1px dashed var(--line-strong);
  background: var(--pulp);
  padding: 16px 18px;
}

.page-faq .apply-note__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fir);
}

.page-faq .apply-note__list {
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .apply-note__foot {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--moss);
}

/* 右侧窄栏 */
.page-faq .pin-block__side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: clamp(20px, 3vw, 0px);
}

.page-faq .pin-figure {
  margin: 0;
}

.page-faq .pin-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .jump {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 16px;
}

.page-faq .jump__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-faq .jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .jump__list > li + li {
  border-top: 1px dashed var(--line);
}

.page-faq .jump__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur);
}

.page-faq .jump__link:hover {
  color: var(--ice-deep);
}

.page-faq .jump__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ice-deep);
  border: 1px solid var(--ice);
  padding: 1px 5px;
}

/* ---------- 通用问题分区 ---------- */
.page-faq .faq-sec {
  padding-top: clamp(44px, 6.4vw, 84px);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  align-items: center;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--fir);
  padding: 4px 9px;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--fir);
  scroll-margin-top: 84px;
  overflow-wrap: anywhere;
}

.page-faq .faq-sec__desc {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

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

.page-faq .qa-item[hidden] {
  display: none;
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  transition: color var(--dur);
}

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

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

.page-faq .qa__q:hover {
  color: var(--maple);
}

.page-faq .qa__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--fir);
  background: var(--ice);
  padding: 3px 7px;
  white-space: nowrap;
}

.page-faq .qa__mark {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: var(--ice-deep);
}

.page-faq .qa__mark::before {
  content: "+";
}

.page-faq .qa[open] .qa__mark::before {
  content: "−";
}

.page-faq .qa[open] .qa__mark {
  color: var(--maple);
}

.page-faq .qa__body {
  padding: 0 2px 22px;
}

.page-faq .qa__inner {
  max-width: 760px;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--line);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  transition: border-color var(--dur);
}

.page-faq .qa[open] .qa__inner {
  border-left-color: var(--maple);
}

.page-faq .qa__inner p {
  margin: 0 0 10px;
}

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

/* ---------- 电脑端兼容分区（冰蓝带） ---------- */
.page-faq .faq-sec--compat {
  margin-top: clamp(44px, 6.4vw, 84px);
  padding: clamp(32px, 4.6vw, 54px) 0 clamp(40px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(127, 179, 213, 0.16), rgba(127, 179, 213, 0.02));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .filter-bar {
  margin-bottom: 14px;
  flex-wrap: wrap;
}

/* ---------- 配送分区配图 ---------- */
.page-faq .faq-ship-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-faq .faq-ship-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 会员等级横带 ---------- */
.page-faq .member-band {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-faq .member-cell {
  background: var(--paper);
  padding: clamp(18px, 2.4vw, 28px);
}

.page-faq .member-cell__rank {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--paper);
  background: var(--fir-2);
  padding: 3px 8px;
}

.page-faq .member-cell--top .member-cell__rank {
  background: var(--maple);
}

.page-faq .member-cell__name {
  margin: 14px 0 8px;
  font-size: 21px;
  font-weight: 900;
  color: var(--fir);
}

.page-faq .member-cell__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-foot {
  margin-top: clamp(48px, 7vw, 92px);
  background: var(--fir);
  padding: clamp(30px, 5vw, 58px) 0;
}

.page-faq .faq-foot__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-foot__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.25;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-foot__text {
  margin: 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 244, 239, 0.84);
}

.page-faq .faq-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-foot__link {
  display: inline-block;
  padding: 9px 16px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line-dark);
  transition: background var(--dur), border-color var(--dur), transform var(--dur);
}

.page-faq .faq-foot__link:hover {
  background: var(--maple);
  border-color: var(--maple);
  transform: translateY(-2px);
}

.page-faq .faq-foot__contact {
  border-left: 3px solid var(--ice);
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 2;
  color: var(--paper);
}

.page-faq .faq-foot__contact p {
  margin: 0;
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .member-band {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .pin-block__side {
    margin-top: 0;
  }

  .page-faq .faq-foot__inner {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 48px;
  }
}

@media (max-width: 519px) {
  .page-faq .qa__q {
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
  }

  .page-faq .qa__idx {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .page-faq .step-list__item {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q,
  .page-faq .qa__inner,
  .page-faq .faq-foot__link,
  .page-faq .jump__link {
    transition: none;
  }

  .page-faq .faq-foot__link:hover {
    transform: none;
  }
}