.page-faq {
  --faq-side: 296px;
  --faq-line: rgba(36, 30, 24, .18);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--sand);
  border-bottom: var(--border);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  border: 3px solid var(--ochre);
  border-radius: 50%;
  opacity: .38;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background: var(--loess);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .5;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 28px;
  padding-bottom: 48px;
}
.page-faq .breadcrumbs {
  margin-bottom: 20px;
  font-size: 13px;
}
.page-faq .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ochre-deep);
}
.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -.01em;
}
.page-faq .lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
}
.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-hero__chips li {
  padding: 6px 12px;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 2px 2px 0 var(--ink);
}
.page-faq .faq-hero__chips li:nth-child(2) {
  background: var(--teal-soft);
  border-color: var(--teal-deep);
  box-shadow: 2px 2px 0 var(--teal-deep);
}
.page-faq .faq-hero__chips li:nth-child(3) {
  background: var(--signal);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: 52px 0 8px;
}
.page-faq .faq-block--tight {
  padding: 0 0 6px;
}
.page-faq .faq-block__head {
  margin-bottom: 24px;
}
.page-faq .faq-block__head h2 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.3;
}
.page-faq a {
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq a:hover {
  color: var(--ochre-deep);
}

/* ---------- 三步路线 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 18px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 24px;
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow-mid);
}
.page-faq .faq-step:nth-child(2) {
  background: var(--sand);
}
.page-faq .faq-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 38px;
  line-height: 1;
  color: var(--ochre);
}
.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .faq-figure {
  margin: 0 0 22px;
  border: var(--border);
  background: var(--sand);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .media-caption {
  padding: 12px 16px;
  border-top: var(--border);
  background: var(--paper);
  font-size: 13px;
  line-height: 1.7;
}
.page-faq .faq-tip {
  margin: 0;
  padding: 14px 16px;
  border-left: 6px solid var(--teal);
  background: var(--teal-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}
.page-faq .faq-tip a {
  font-weight: 700;
}

/* ---------- 左右分置主体 ---------- */
.page-faq .faq-board {
  display: grid;
  gap: 34px;
  padding: 44px 24px 56px;
  max-width: var(--wrap);
  margin: 0 auto;
}
.page-faq .faq-side {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-faq .faq-index {
  padding: 18px 18px 20px;
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow-mid);
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
}
.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-index__list a span {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 13px;
  color: var(--ochre);
  flex: none;
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--sand);
  color: var(--teal-deep);
}
.page-faq .faq-copy {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--teal-deep);
  background: var(--teal);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease);
}
.page-faq .faq-copy:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}
.page-faq .faq-copy:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}
.page-faq .faq-side__art {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--border);
  background: var(--sand);
  box-shadow: var(--shadow-hard);
  object-fit: cover;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow-mid);
  transition: margin .24s var(--ease), background .24s var(--ease), box-shadow .24s var(--ease);
}
.page-faq .faq-item[open] {
  background: var(--sand);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q::after {
  content: "+";
  flex: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.1;
  color: var(--ochre);
  transition: transform .24s var(--ease), color .24s var(--ease);
}
.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
  color: var(--ochre-deep);
}
.page-faq .faq-q:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}
.page-faq .faq-a {
  padding: 0 16px 18px;
  border-top: 2px dashed var(--faq-line);
  margin-top: 2px;
}
.page-faq .faq-a p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  max-width: 36em;
}

/* ---------- 收束 ---------- */
.page-faq .faq-ending {
  margin-top: 34px;
  padding: 24px 20px;
  border: var(--border);
  background: var(--loess);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-ending__text {
  margin: 0 0 16px;
  max-width: 26em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 3.6vw, 24px);
  line-height: 1.42;
}
.page-faq .faq-ending .btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    padding-top: 34px;
    padding-bottom: 58px;
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-faq .faq-step:nth-child(2) {
    transform: translateY(12px);
  }
  .page-faq .faq-step:nth-child(3) {
    transform: translateY(4px);
  }
  .page-faq .faq-figure {
    margin-top: 10px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__inner {
    padding-top: 40px;
    padding-bottom: 68px;
  }
  .page-faq .faq-block {
    padding-top: 68px;
  }
  .page-faq .faq-board {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 72px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-side {
    position: relative;
  }
  .page-faq .faq-side__art {
    margin-top: 4px;
  }
  .page-faq .faq-item {
    margin-inline-end: 26px;
  }
  .page-faq .faq-item[open] {
    margin-inline-end: 0;
  }
  .page-faq .faq-q {
    padding: 18px 22px;
    font-size: 16px;
  }
  .page-faq .faq-a {
    padding: 0 22px 22px;
  }
  .page-faq .faq-a p {
    font-size: 15px;
  }
  .page-faq .faq-ending {
    padding: 30px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-q::after,
  .page-faq .faq-index__list a,
  .page-faq .faq-copy {
    transition: none;
  }
  .page-faq .faq-step:nth-child(2),
  .page-faq .faq-step:nth-child(3) {
    transform: none;
  }
}
<<<END>>>