.page-faq {
  --faq-rail-w: 216px;
  --faq-line: rgba(11, 34, 48, 0.12);
  --faq-body-text: rgba(19, 28, 27, 0.84);
  --faq-figure-max: 260px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: var(--rice);
  background:
    radial-gradient(118% 92% at 94% 4%, rgba(62, 142, 130, 0.5) 0%, rgba(23, 76, 74, 0) 62%),
    linear-gradient(158deg, var(--deep-teal) 0%, var(--deep-blue) 76%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 32px;
  padding-block: 28px 40px;
}

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

.page-faq .faq-hero .breadcrumbs__link,
.page-faq .faq-hero .breadcrumbs__current {
  color: rgba(220, 230, 226, 0.78);
}

.page-faq .faq-hero .breadcrumbs__link:hover,
.page-faq .faq-hero .breadcrumbs__link:focus-visible {
  color: var(--rice);
}

.page-faq .faq-hero .section-label {
  margin-top: 18px;
  background: rgba(169, 201, 191, 0.16);
  color: var(--mist);
}

.page-faq .faq-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__text {
  max-width: 48ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.82);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__facts li {
  padding-left: 11px;
  border-left: 1px solid rgba(169, 201, 191, 0.38);
  font-size: 0.72rem;
  line-height: 1.5;
  color: rgba(220, 230, 226, 0.78);
}

.page-faq .faq-hero__facts span {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--mist);
}

/* ---------- 首屏快速问答面板 ---------- */
.page-faq .faq-quick {
  padding: 20px 18px 22px;
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-faq .faq-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.09em;
  color: var(--deep-teal);
}

.page-faq .faq-seg {
  position: relative;
}

.page-faq .faq-seg__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-seg__labels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  margin-bottom: 16px;
  background: var(--haze);
}

.page-faq .faq-seg__label {
  display: block;
  padding: 9px 4px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  color: var(--deep-teal);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.page-faq .faq-seg__label:hover {
  background: rgba(11, 34, 48, 0.06);
}

.page-faq .faq-seg__input:nth-of-type(1):checked ~ .faq-seg__labels .faq-seg__label:nth-child(1),
.page-faq .faq-seg__input:nth-of-type(2):checked ~ .faq-seg__labels .faq-seg__label:nth-child(2),
.page-faq .faq-seg__input:nth-of-type(3):checked ~ .faq-seg__labels .faq-seg__label:nth-child(3) {
  background: var(--deep-blue);
  color: var(--rice);
}

.page-faq .faq-seg__input:nth-of-type(1):focus-visible ~ .faq-seg__labels .faq-seg__label:nth-child(1),
.page-faq .faq-seg__input:nth-of-type(2):focus-visible ~ .faq-seg__labels .faq-seg__label:nth-child(2),
.page-faq .faq-seg__input:nth-of-type(3):focus-visible ~ .faq-seg__labels .faq-seg__label:nth-child(3) {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

.page-faq .faq-seg__panel {
  display: none;
}

.page-faq .faq-seg__input:nth-of-type(1):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(1),
.page-faq .faq-seg__input:nth-of-type(2):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(2),
.page-faq .faq-seg__input:nth-of-type(3):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(3) {
  display: block;
  animation: faq-panel-in 180ms cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-seg__q {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.3;
  color: var(--deep-blue);
}

.page-faq .faq-seg__a {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

.page-faq .faq-quick__link {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ember);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  color: var(--deep-blue);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  padding-block: 38px 64px;
}

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

.page-faq .faq-rail__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 11px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--deep-blue);
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--river);
  transition: background var(--ease), border-color var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--haze);
  border-left-color: var(--ember);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--stone);
}

.page-faq .faq-rail__aside {
  margin-top: 22px;
  padding: 16px;
  background: var(--haze);
  border-top: 2px solid var(--deep-teal);
}

.page-faq .faq-rail__aside-text {
  margin: 0 0 12px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--deep-blue);
}

.page-faq .faq-rail__btn {
  font-size: 0.8rem;
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 88px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
  padding-top: 34px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 20px;
  align-items: start;
}

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

.page-faq .faq-group__title {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 5vw, 2.1rem);
  line-height: 1.14;
  color: var(--deep-blue);
  transition: color var(--ease);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--ember);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--faq-body-text);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  max-width: var(--faq-figure-max);
  width: 100%;
}

.page-faq .faq-figure--wide {
  max-width: 100%;
  margin-top: 22px;
}

.page-faq .faq-figure .media-frame {
  overflow: hidden;
}

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

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  margin-top: 22px;
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 15px 34px 15px 2px;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--deep-blue);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 1.5px solid var(--river);
  border-bottom: 1.5px solid var(--river);
  transform: rotate(45deg);
  transition: transform var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--deep-teal);
}

.page-faq .faq-item__q:hover {
  color: var(--ember);
}

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

.page-faq .faq-item__num {
  flex: 0 0 auto;
  min-width: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--stone);
}

.page-faq .faq-item__a {
  padding: 0 34px 18px 34px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--faq-body-text);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 8px;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 14px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--deep-blue);
  background: var(--haze);
  border-left: 2px solid var(--river);
}

.page-faq .faq-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--clay);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact__card {
  position: relative;
  padding: 18px 16px 16px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-contact__card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--river);
  border-left: 2px solid var(--river);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--deep-blue);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  padding: 12px 14px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--haze);
}

.page-faq .faq-contact__more {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--faq-body-text);
}

.page-faq .faq-contact__link {
  color: var(--deep-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 142, 130, 0.5);
}

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

/* ---------- 窄屏调整 ---------- */
@media (max-width: 519px) {
  .page-faq .faq-figure {
    max-width: 100%;
  }

  .page-faq .faq-item__a {
    padding-left: 2px;
    padding-right: 12px;
  }

  .page-faq .faq-hero__facts {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ---------- 中等屏与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    padding-block: 40px 52px;
  }

  .page-faq .faq-quick {
    padding: 26px 26px 28px;
  }

  .page-faq .faq-seg__label {
    font-size: 0.84rem;
    padding: 10px 6px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-figure--wide {
    max-width: 560px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group__head--with-figure {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 34px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
    gap: 56px;
    align-items: start;
    padding-block: 56px 64px;
  }

  .page-faq .faq-hero__text {
    font-size: 1rem;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    padding-block: 60px 96px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-rail__list {
    display: block;
  }

  .page-faq .faq-rail__item + .faq-rail__item {
    margin-top: 6px;
  }

  .page-faq .faq-rail__link {
    padding: 10px 12px;
  }

  .page-faq .faq-group {
    scroll-margin-top: 104px;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 56px;
    padding-top: 44px;
  }

  .page-faq .faq-group__title {
    font-size: 2.15rem;
  }

  .page-faq .faq-item__q {
    font-size: 1rem;
  }

  .page-faq .faq-item__a {
    padding-left: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-seg__input:nth-of-type(1):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(1),
  .page-faq .faq-seg__input:nth-of-type(2):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(2),
  .page-faq .faq-seg__input:nth-of-type(3):checked ~ .faq-seg__panels > .faq-seg__panel:nth-child(3) {
    animation: none;
  }

  .page-faq .faq-item__q::after,
  .page-faq .faq-rail__link,
  .page-faq .faq-seg__label {
    transition: none;
  }
}
<<<END>>>