.page-faq {
  --qa-line: rgba(18, 69, 78, .14);
  --qa-cut: 20px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.6rem);
  padding-bottom: .4rem;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .82rem;
  color: var(--teal);
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: .4rem;
  color: var(--teal-mid);
}

.page-faq .breadcrumb__item a {
  color: var(--teal-mid);
  text-decoration: none;
}

.page-faq .breadcrumb__item a:hover {
  color: var(--home);
}

/* ---------- 首屏 ---------- */
.page-faq .qa-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.4rem, 4vw, 2.6rem) 0 clamp(2rem, 5vw, 3.2rem);
}

.page-faq .qa-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -22%;
  width: min(760px, 96vw);
  height: min(560px, 74vh);
  background: linear-gradient(135deg, rgba(30, 122, 140, .34), rgba(255, 90, 31, .18));
  clip-path: polygon(20% 0, 100% 0, 100% 76%, 0 100%);
  z-index: -1;
}

.page-faq .qa-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -18%;
  width: min(520px, 70vw);
  height: min(280px, 40vh);
  background: linear-gradient(120deg, rgba(231, 207, 169, .55), rgba(220, 239, 243, 0));
  clip-path: polygon(0 0, 100% 26%, 100% 100%, 0 100%);
  z-index: -1;
}

.page-faq .qa-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .qa-hero h1 {
  margin: .5rem 0 1rem;
  font-size: clamp(2rem, 6.6vw, 3.7rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ink-deep);
}

.page-faq .qa-hero .lede {
  max-width: 40ch;
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  line-height: 1.85;
  color: var(--teal);
}

.page-faq .qa-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  font-size: .88rem;
  color: var(--teal);
}

.page-faq .qa-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: .4rem;
}

.page-faq .qa-hero__stats b {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--home);
}

.page-faq .qa-hero__media {
  clip-path: polygon(0 0, 100% 0, 100% 82%, 86% 100%, 0 100%);
}

.page-faq .qa-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 索引条 ---------- */
.page-faq .qa-index {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(251, 245, 234, .94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--qa-line);
  border-bottom: 1px solid var(--qa-line);
}

.page-faq .qa-index__track {
  display: flex;
  gap: .5rem;
  padding: .7rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .qa-index__track::-webkit-scrollbar {
  display: none;
}

.page-faq .qa-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  flex: 0 0 auto;
  padding: .45rem .85rem;
  font-size: .84rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--teal);
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background .18s ease, color .18s ease;
}

.page-faq .qa-index__link b {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--home-deep);
}

.page-faq .qa-index__link:hover,
.page-faq .qa-index__link:focus-visible {
  background: var(--home);
  color: #fff;
}

.page-faq .qa-index__link:hover b,
.page-faq .qa-index__link:focus-visible b {
  color: #fff;
}

/* ---------- 分组 ---------- */
.page-faq .qa-group {
  padding: clamp(2.2rem, 6vw, 4rem) 0;
  border-bottom: 1px dashed var(--qa-line);
  scroll-margin-top: calc(var(--header-h) + 64px);
}

.page-faq .qa-group--mist {
  background: linear-gradient(180deg, var(--mist), rgba(220, 239, 243, 0));
}

.page-faq .qa-group__head {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
}

.page-faq .qa-group__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--teal-mid);
  transform: skewX(-8deg);
}

.page-faq .qa-group h2 {
  margin: .25rem 0 0;
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink-deep);
}

.page-faq .qa-lead {
  max-width: 62ch;
  margin: 1.1rem 0 0;
  padding-left: .95rem;
  border-left: 4px solid var(--home);
  font-size: clamp(1rem, 2.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--teal);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: .65rem;
  max-width: 76ch;
  margin-top: 1.6rem;
}

.page-faq .qa-item {
  background: #fff;
  border-left: 4px solid var(--sand-mid);
  transition: border-color .2s ease;
}

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

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: clamp(.98rem, 2.4vw, 1.04rem);
  font-weight: 700;
  color: var(--ink-deep);
}

.page-faq .qa-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item__no {
  flex: 0 0 auto;
  padding-top: .25rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--teal-mid);
}

.page-faq .qa-item__q {
  flex: 1 1 auto;
}

.page-faq .qa-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: .3rem;
}

.page-faq .qa-item__sign::before,
.page-faq .qa-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--home);
  transition: transform .2s ease;
}

.page-faq .qa-item__sign::after {
  transform: rotate(90deg);
}

.page-faq .qa-item[open] .qa-item__sign::after {
  transform: rotate(90deg) scaleX(0);
}

.page-faq .qa-item__body {
  padding: 0 1.05rem 1.25rem 2.7rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .qa-item__body p {
  margin: 0 0 .7rem;
}

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

.page-faq .qa-item__body ol,
.page-faq .qa-item__body ul {
  margin: 0 0 .7rem;
  padding-left: 1.2rem;
}

.page-faq .qa-item__body li {
  margin-bottom: .4rem;
}

.page-faq .qa-item__body li:last-child {
  margin-bottom: 0;
}

/* ---------- 订阅档位 ---------- */
.page-faq .qa-tiers {
  display: grid;
  gap: .6rem;
  margin: 1.5rem 0 .4rem;
  max-width: 76ch;
}

.page-faq .qa-tier {
  padding: .8rem .9rem;
  background: #fff;
  border-top: 3px solid var(--teal-mid);
}

.page-faq .qa-tier b {
  display: block;
  font-size: .96rem;
  color: var(--ink-deep);
}

.page-faq .qa-tier span {
  display: block;
  margin-top: .3rem;
  font-size: .86rem;
  line-height: 1.7;
  color: #3b4f53;
}

.page-faq .qa-tier:nth-child(4) {
  border-top-color: var(--home);
}

/* ---------- 区间色带 ---------- */
.page-faq .qa-bands {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .5rem;
  margin: 1.8rem 0 1.4rem;
}

.page-faq .qa-band {
  padding: .85rem .85rem 1.05rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .qa-band b {
  display: block;
  font-size: .95rem;
}

.page-faq .qa-band span {
  display: block;
  margin-top: .3rem;
  font-size: .8rem;
  line-height: 1.6;
  opacity: .95;
}

.page-faq .qa-band--up {
  background: var(--up);
  color: #fff;
}

.page-faq .qa-band--acl {
  background: var(--teal-mid);
  color: #fff;
}

.page-faq .qa-band--warn {
  background: var(--warn);
  color: var(--ink-deep);
}

.page-faq .qa-band--down {
  background: var(--teal);
  color: var(--mist);
}

.page-faq .qa-figure {
  max-width: 76ch;
  margin: 0;
}

.page-faq .qa-figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 结尾入口 ---------- */
.page-faq .qa-cta {
  padding: clamp(2rem, 5vw, 3.2rem) 0 clamp(2.6rem, 6vw, 4rem);
}

.page-faq .qa-cta__inner {
  display: grid;
  gap: 1.3rem;
  padding: clamp(1.6rem, 4.5vw, 2.6rem);
  background: linear-gradient(135deg, var(--teal), var(--ink-deep));
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .qa-cta h2 {
  margin: 0 0 .55rem;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  font-weight: 800;
  color: #fff;
}

.page-faq .qa-cta p {
  margin: 0;
  max-width: 46ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .qa-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-faq .qa-cta__links .btn {
  text-decoration: none;
}

.page-faq .qa-cta__links .btn--outline {
  color: var(--mist);
  background: transparent;
  border: 1px solid rgba(220, 239, 243, .55);
}

.page-faq .qa-cta__links .btn--outline:hover,
.page-faq .qa-cta__links .btn--outline:focus-visible {
  background: rgba(220, 239, 243, .14);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .qa-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-faq .qa-bands {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .6rem;
  }

  .page-faq .qa-item summary {
    padding: 1.05rem 1.3rem;
  }

  .page-faq .qa-item__body {
    padding: 0 1.3rem 1.35rem 2.95rem;
  }
}

@media (min-width: 820px) {
  .page-faq .qa-cta__inner {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .qa-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .qa-hero__media {
    transform: translateY(-1.2rem);
  }
}
<<<END>>>