.page-faq {
  background: var(--silver-050);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(1.5rem, 4vw, 2.4rem) 0 clamp(2.4rem, 6vw, 4rem);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(60vw, 780px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(140deg, rgba(18, 200, 200, .22) 0%, rgba(255, 90, 31, .16) 52%, rgba(11, 28, 44, 0) 78%);
  transform: rotate(14deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500));
  pointer-events: none;
}
.page-faq .faq-hero__crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}
.page-faq .faq-hero__crumbs .crumbs__link {
  color: var(--silver-300);
  text-decoration: none;
}
.page-faq .faq-hero__crumbs .crumbs__link:hover {
  color: var(--white);
}
.page-faq .faq-hero__crumbs .crumbs__item [aria-current="page"] {
  color: var(--white);
}
.page-faq .faq-hero__crumbs .crumbs__sep {
  color: var(--gray-600);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}
.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.02em;
  margin: .75rem 0 1.15rem;
  max-width: 22ch;
}
.page-faq .faq-hero__lede {
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
  color: var(--silver-300);
  max-width: 40em;
  margin: 0 0 1.5rem;
}
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: .6rem;
  max-width: 34rem;
  padding: .6rem .85rem;
  background: var(--white);
  border: 1px solid var(--silver-300);
  border-radius: var(--r);
  transition: border-color var(--t), box-shadow var(--t);
}
.page-faq .faq-search:focus-within {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(18, 200, 200, .28);
}
.page-faq .faq-search__icon {
  flex: none;
  color: var(--ink-700);
}
.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.5;
}
.page-faq .faq-search input::placeholder {
  color: var(--gray-600);
}
.page-faq .faq-hero__hint {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--gray-600);
}
.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid rgba(199, 205, 214, .22);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  background: var(--white);
  border-bottom: var(--line);
  padding: clamp(1.8rem, 4.5vw, 3rem) 0;
}
.page-faq .faq-hot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .8rem;
  margin-bottom: 1.15rem;
}
.page-faq .faq-hot__head .h2 {
  margin: 0;
}
.page-faq .faq-hot__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
}
.page-faq .faq-hot__link {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .72rem .85rem;
  background: var(--silver-050);
  border: 1px solid var(--silver-300);
  border-radius: var(--r);
  color: var(--ink-900);
  text-decoration: none;
  font-size: .93rem;
  line-height: 1.5;
  transition: transform var(--t), border-color var(--t), background var(--t), box-shadow var(--t);
}
.page-faq .faq-hot__link::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
  transition: background var(--t);
}
.page-faq .faq-hot__link:hover {
  transform: translateY(-2px);
  background: var(--white);
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-2);
}
.page-faq .faq-hot__link:hover::before {
  background: var(--cyan-400);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  padding: clamp(1.9rem, 4.5vw, 3.4rem) 0 clamp(2.2rem, 5vw, 3.8rem);
}
.page-faq .faq-side {
  border-left: 3px solid var(--ink-900);
  padding-left: 1rem;
}
.page-faq .faq-side__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-600);
}
.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .12rem;
}
.page-faq .faq-side__link {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .45rem .5rem;
  border-radius: var(--r);
  color: var(--ink-700);
  text-decoration: none;
  font-size: .89rem;
  line-height: 1.45;
  transition: background var(--t), color var(--t);
}
.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  background: var(--white);
  color: var(--ink-900);
}
.page-faq .faq-side__idx {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--orange-500);
}
.page-faq .faq-side__quick {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: var(--line);
}

/* ---------- 分组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}
.page-faq .faq-group {
  scroll-margin-top: 6rem;
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.2rem, 5vw, 3.4rem);
}
.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-bottom: .55rem;
  margin-bottom: 1.05rem;
  border-bottom: 2px solid var(--ink-900);
}
.page-faq .faq-group__head .h2 {
  margin: 0;
}
.page-faq .faq-group__idx {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--orange-500);
}
.page-faq .faq-group__lede {
  margin: 0 0 1.05rem;
  max-width: 42em;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--silver-300);
  border-radius: var(--r);
  margin-bottom: .6rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.page-faq .faq-item:hover {
  box-shadow: var(--shadow-2);
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange-500);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t);
}
.page-faq .faq-item[data-open]::before,
.page-faq .faq-item:target::before {
  transform: scaleY(1);
}
.page-faq .faq-item:target {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, .16);
}
.page-faq .faq-item .fold__btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  padding: .95rem 1.05rem;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  transition: color var(--t);
}
.page-faq .faq-item .fold__btn:hover {
  color: var(--ink-700);
}
.page-faq .faq-q__idx {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--gray-600);
}
.page-faq .faq-item .fold__icon {
  position: relative;
  flex: none;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid var(--silver-300);
  border-radius: 2px;
  transition: border-color var(--t), background var(--t);
}
.page-faq .faq-item .fold__icon::before,
.page-faq .faq-item .fold__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink-700);
  transform: translate(-50%, -50%);
}
.page-faq .faq-item .fold__icon::before {
  width: .6rem;
  height: 1.5px;
}
.page-faq .faq-item .fold__icon::after {
  width: 1.5px;
  height: .6rem;
  transition: transform var(--t), opacity var(--t);
}
.page-faq .faq-item[data-open] .fold__icon,
.page-faq .faq-item:target .fold__icon {
  border-color: var(--orange-500);
}
.page-faq .faq-item[data-open] .fold__icon::after,
.page-faq .faq-item:target .fold__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}
.page-faq .faq-item .fold__panel {
  padding: 0 1.05rem 1.05rem;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--ink-700);
}
.page-faq .faq-item .fold__panel p {
  margin: 0 0 .6rem;
  max-width: 44em;
}
.page-faq .faq-item .fold__panel p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item .fold__panel .faq-src {
  margin-top: .8rem;
  padding-left: .7rem;
  border-left: 2px solid var(--silver-300);
  font-size: .83rem;
  line-height: 1.65;
  color: var(--gray-600);
}
.page-faq .faq-item .fold__panel .faq-amber {
  margin-top: .8rem;
  padding: .6rem .75rem;
  background: rgba(201, 122, 10, .09);
  border-left: 3px solid var(--amber-500);
  font-size: .85rem;
  line-height: 1.65;
  font-weight: 600;
  color: #8A5306;
}
.page-faq .faq-item .fold__btn:focus-visible,
.page-faq .faq-hot__link:focus-visible,
.page-faq .faq-side__link:focus-visible,
.page-faq .faq-detail a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* ---------- 配图与期限条 ---------- */
.page-faq .faq-wide {
  margin: 0 0 1.1rem;
}
.page-faq .faq-wide .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid var(--silver-300);
}
.page-faq .faq-wide .media__cap {
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  color: var(--gray-600);
}
.page-faq .faq-term {
  display: grid;
  gap: .85rem;
  margin-bottom: 1.15rem;
  padding: 1.05rem 1.15rem;
  background: var(--ink-900);
  border-radius: var(--r);
}
.page-faq .faq-term__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .4rem;
}
.page-faq .faq-term__key {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--silver-300);
}
.page-faq .faq-term__track {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(199, 205, 214, .2);
  overflow: hidden;
}
.page-faq .faq-term__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}
.page-faq .faq-term__fill--a {
  width: 82%;
  background: var(--orange-500);
}
.page-faq .faq-term__fill--b {
  width: 26%;
  background: var(--cyan-400);
}
.page-faq .faq-term__val {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--white);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(2.2rem, 5.5vw, 3.6rem) 0;
}
.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -40%;
  width: min(48vw, 520px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(200deg, rgba(18, 200, 200, .18), rgba(255, 90, 31, .1) 55%, transparent 80%);
  transform: rotate(-12deg);
  pointer-events: none;
}
.page-faq .faq-contact__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
}
.page-faq .faq-contact .h2 {
  margin: .55rem 0 .9rem;
}
.page-faq .faq-contact__copy > p {
  margin: 0 0 1.3rem;
  max-width: 40em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--silver-300);
}
.page-faq .faq-detail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}
.page-faq .faq-detail li {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: .8rem;
  align-items: baseline;
  padding-bottom: .6rem;
  border-bottom: var(--line-invert);
}
.page-faq .faq-detail__key {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--cyan-400);
}
.page-faq .faq-detail__val {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}
.page-faq .faq-detail a.faq-detail__val {
  text-decoration: none;
}
.page-faq .faq-detail a.faq-detail__val:hover {
  color: var(--orange-500);
}
.page-faq .faq-contact__tip {
  margin: 1.1rem 0 0;
  max-width: 40em;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--gray-600);
}
.page-faq .faq-contact__aside {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  align-items: flex-start;
}
.page-faq .faq-contact__aside .btn {
  color: var(--white);
  border-color: rgba(199, 205, 214, .45);
  width: 100%;
  text-align: center;
}
.page-faq .faq-contact__aside .btn--primary {
  color: var(--ink-900);
  border-color: transparent;
}
.page-faq .faq-contact__links {
  list-style: none;
  margin: .5rem 0 0;
  padding: 0;
  display: grid;
  gap: .35rem;
}
.page-faq .faq-contact__links a {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--silver-300);
  text-decoration: none;
}
.page-faq .faq-contact__links a:hover {
  color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hot__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-term__row {
    grid-template-columns: 6.4rem minmax(0, 1fr) auto;
    align-items: center;
    gap: .9rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hot__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 1.25rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-side {
    border-left-width: 3px;
    padding-left: 1.15rem;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-detail li {
    grid-template-columns: 1fr;
    gap: .15rem;
  }
  .page-faq .faq-item .fold__btn {
    gap: .55rem;
    font-size: .95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__link:hover {
    transform: none;
  }
}
<<<END>>>