/* =========================================================
   page-faq · 问题解答
   ========================================================= */
.page-faq {
  --faq-gap: clamp(20px, 3vw, 40px);
  --faq-num-w: 34px;
  background-color: var(--paper);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(24px, 4vw, 52px));
  padding-bottom: clamp(34px, 5vw, 64px);
  background-color: var(--paper-2);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .6;
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-hero__text {
  min-width: 0;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  max-width: 17em;
  font-size: clamp(28px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
  transform: skewX(-1.5deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: clamp(72px, 12vw, 112px);
  height: 3px;
  margin-top: clamp(16px, 2.6vw, 28px);
  background-color: var(--orange);
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-hero__figure {
  margin: 0;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 四步主线索引 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(30px, 4.4vw, 52px);
}

.page-faq .faq-steps__label {
  margin: 0 0 12px;
  color: var(--slate);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "num name"
    "num desc";
  align-items: center;
  gap: 2px 14px;
  min-height: 44px;
  padding: 13px 4px;
  border-bottom: 1px dashed var(--line);
  text-decoration: none;
  color: var(--text);
  transition: background-color .18s ease;
}

.page-faq .faq-step__num {
  grid-area: num;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .faq-step__name {
  grid-area: name;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-step__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .faq-step:hover .faq-step__num,
.page-faq .faq-step:focus-visible .faq-step__num,
.page-faq .faq-step[aria-current="location"] .faq-step__num {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-faq .faq-step:hover .faq-step__name,
.page-faq .faq-step[aria-current="location"] .faq-step__name {
  color: var(--ink);
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding: clamp(38px, 5.6vw, 76px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-block__head .sec-index {
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: .92;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-block__headtext {
  min-width: 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__headtext .eyebrow {
  margin: 0;
  color: var(--slate);
}

.page-faq .faq-block__title {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.8vw, 32px);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-block--1 .sec-index { color: var(--star-4); }
.page-faq .faq-block--2 .sec-index { color: var(--star-5); }
.page-faq .faq-block--3 .sec-index { color: var(--star-6); }
.page-faq .faq-block--4 .sec-index { color: var(--star-7); }
.page-faq .faq-block--5 .sec-index { color: var(--star-2); }

.page-faq .faq-sub {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(24px, 3.2vw, 38px) 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-faq .faq-sub:first-of-type {
  margin-top: 0;
}

.page-faq .faq-sub::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background-color: var(--line);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-row {
  display: grid;
  grid-template-columns: var(--faq-num-w) 1fr;
  gap: 10px;
  align-items: start;
}

.page-faq .qa-row__num {
  padding-top: 18px;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .08em;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa {
  min-width: 0;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  background-color: var(--paper-2);
  transition: background-color .18s ease, border-color .18s ease;
}

.page-faq .qa[open] {
  background-color: var(--paper);
  border-left-color: var(--orange);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 1fr 20px;
  gap: 12px;
  align-items: start;
  min-height: 44px;
  padding: 16px clamp(14px, 2.2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
  transition: background-color .18s ease;
}

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

.page-faq .qa__q:hover {
  background-color: rgba(242, 107, 29, .07);
}

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

.page-faq .qa__mark {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 6px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background-color: var(--orange);
  transform: translateY(-50%);
}

.page-faq .qa__mark::after {
  transform: translateY(-50%) rotate(90deg);
  transition: opacity .18s ease;
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 clamp(14px, 2.2vw, 22px) 20px;
  border-top: 1px dashed var(--line);
  margin-top: -1px;
}

.page-faq .qa__a p {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .qa__a a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  color: var(--orange);
}

.page-faq .qa__a a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 受理量看板 ---------- */
.page-faq .faq-board {
  margin-bottom: clamp(22px, 3vw, 32px);
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--ink-2);
  border-radius: var(--radius);
  background-color: var(--ink);
  color: var(--paper);
}

.page-faq .faq-board__cap {
  margin: 0 0 16px;
  color: var(--orange-lit);
}

.page-faq .faq-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-dark);
  background-color: var(--line-dark);
}

.page-faq .faq-board__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background-color: var(--ink);
}

.page-faq .faq-board__k {
  font-size: 13px;
  letter-spacing: .08em;
  color: rgba(247, 245, 240, .74);
}

.page-faq .faq-board__v {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

/* ---------- 退换追溯时间轴 ---------- */
.page-faq .faq-tl {
  margin: clamp(28px, 3.8vw, 44px) 0 0;
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-tl__cap {
  margin: 0 0 18px;
  color: var(--slate);
}

.page-faq .faq-tl__scale {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-tl__node {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr;
  grid-template-areas:
    "dot stage"
    "dot text";
  gap: 4px 14px;
  padding: 0 0 24px;
}

.page-faq .faq-tl__node::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  bottom: 0;
  width: 1px;
  background-color: var(--line);
}

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

.page-faq .faq-tl__node:last-child::before {
  display: none;
}

.page-faq .faq-tl__dot {
  grid-area: dot;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  border: 2px solid var(--orange);
  border-radius: 50%;
  background-color: var(--paper);
}

.page-faq .faq-tl__stage {
  grid-area: stage;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-tl__text {
  grid-area: text;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-tl__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background-color: var(--paper-2);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-tl__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-faq .faq-tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 联系出口 ---------- */
.page-faq .faq-exit {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background-color: var(--line);
}

.page-faq .faq-exit__item {
  padding: clamp(16px, 2.2vw, 24px);
  background-color: var(--paper);
}

.page-faq .faq-exit__k {
  margin: 0 0 8px;
  color: var(--slate);
}

.page-faq .faq-exit__v {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-exit__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-faq .to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 20;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, visibility .18s ease, background-color .18s ease, border-color .18s ease;
}

.page-faq .to-top[data-visible] {
  opacity: 1;
  visibility: visible;
}

.page-faq .to-top:hover {
  background-color: var(--orange);
  border-color: var(--orange);
}

.page-faq .to-top:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-board__list {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-faq .faq-board__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 16px;
  }

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

  .page-faq .faq-exit__item:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 820px) {
  .page-faq {
    --faq-num-w: 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-steps__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--line);
    border-top: 1px solid var(--line);
    background-color: var(--paper);
  }

  .page-faq .faq-steps__item {
    min-width: 0;
  }

  .page-faq .faq-step {
    height: 100%;
    grid-template-columns: 44px 1fr;
    grid-template-areas:
      "num name"
      "num desc";
    align-content: start;
    gap: 6px 14px;
    padding: 22px 18px;
    border-bottom: 0;
    border-left: 1px dashed var(--line);
  }

  .page-faq .faq-steps__item:first-child .faq-step {
    border-left: 0;
  }

  .page-faq .faq-steps__list > li:not(:first-child) .faq-step {
    border-left: 1px dashed var(--line);
  }

  .page-faq .qa-row {
    gap: 0 24px;
  }

  .page-faq .qa-row__num {
    padding-top: 20px;
    font-size: 13px;
  }

  .page-faq .faq-tl__scale {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding-top: 1px;
  }

  .page-faq .faq-tl__scale::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 9px;
    height: 1px;
    background-color: var(--line);
  }

  .page-faq .faq-tl__node {
    grid-template-columns: 1fr;
    grid-template-areas:
      "dot"
      "stage"
      "text";
    gap: 12px;
    padding: 0 26px 0 0;
  }

  .page-faq .faq-tl__node::before {
    display: none;
  }

  .page-faq .faq-tl__node:last-child {
    padding-right: 0;
  }

  .page-faq .faq-exit {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-exit__item:last-child {
    grid-column: auto;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    font-size: clamp(44px, 4.6vw, 62px);
  }

  .page-faq .qa__q {
    padding-left: 26px;
    padding-right: 26px;
  }

  .page-faq .qa__a {
    padding-left: 26px;
    padding-right: 26px;
  }
}
<<<END>>>