.page-faq {
  --faq-gap: clamp(1.25rem, 3vw, 2.25rem);
  --faq-sec-gap: clamp(2.75rem, 6vw, 4.5rem);
  --faq-hair: 1px solid rgba(11, 27, 43, 0.18);
  --faq-hair-light: 1px solid rgba(244, 239, 230, 0.18);
  background: var(--paper);
  color: var(--ink);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 2px solid var(--ink-deep);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 239, 230, 0.07) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(244, 239, 230, 0.07) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -18%;
  width: 62%;
  aspect-ratio: 1;
  background: var(--green);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  opacity: 0.24;
  transform: rotate(9deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
}

.page-faq .faq-crumb .crumb__link {
  color: rgba(244, 239, 230, 0.74);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-crumb .crumb__link:hover,
.page-faq .faq-crumb .crumb__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--green);
}

.page-faq .faq-crumb .crumb__current {
  color: var(--green);
  font-weight: 700;
}

.page-faq .faq-eyebrow {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--orange);
}

.page-faq .faq-hero h1 {
  margin: 0.7rem 0 0;
  font-size: clamp(2.3rem, 7.4vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 900;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: clamp(1.1rem, 2.4vw, 1.6rem) 0 0;
  max-width: 40em;
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.84);
}

.page-faq .faq-metrics {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 239, 230, 0.2);
  border: var(--faq-hair-light);
}

.page-faq .faq-metric {
  background: var(--ink);
  padding: 0.9rem 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.page-faq .faq-metric__k {
  font-size: var(--fs-tiny);
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-metric__v {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.8);
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-block: clamp(2rem, 5vw, 4rem);
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  border: 2px solid var(--ink);
  background: var(--fog);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem 1.15rem;
}

.page-faq .faq-toc__title {
  margin: 0 0 0.85rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0.3rem 0.45rem 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 700;
  border-left: 3px solid transparent;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-left-color: var(--green);
  background: var(--paper);
  outline: none;
}

.page-faq .faq-toc__link:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-toc__num {
  font-size: var(--fs-tiny);
  color: var(--orange);
}

.page-faq .faq-toc__side {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: var(--faq-hair);
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(11, 27, 43, 0.78);
}

.page-faq .faq-toc__side p {
  margin: 0 0 0.5rem;
}

/* ---------- 章节 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-sec {
  margin-bottom: var(--faq-sec-gap);
  scroll-margin-top: calc(var(--nav-h) + 1.5rem);
}

.page-faq .faq-sec--last {
  margin-bottom: 0;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding-bottom: 0.7rem;
  border-bottom: 3px solid var(--ink);
}

.page-faq .faq-sec__num {
  flex: none;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3.6vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-faq .faq-sec__lead {
  margin: 1.15rem 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  max-width: 42em;
  color: rgba(11, 27, 43, 0.86);
}

.page-faq .faq-sec__note {
  margin: 1.4rem 0 0;
  padding-left: 0.9rem;
  border-left: 4px solid var(--green);
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(11, 27, 43, 0.76);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--fog);
}

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

.page-faq .faq-figure .media-frame__caption {
  padding: 0.75rem 1rem;
  border-top: 2px solid var(--ink);
  background: var(--paper);
  font-size: var(--fs-tiny);
  line-height: 1.7;
  color: rgba(11, 27, 43, 0.74);
}

/* ---------- 资源包列表 ---------- */
.page-faq .pkg-list {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-faq .pkg {
  display: grid;
  gap: 0.4rem;
  padding: 1.05rem 0;
  border-bottom: var(--faq-hair);
}

.page-faq .pkg__name {
  font-weight: 900;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.page-faq .pkg__name::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.55rem;
  background: var(--green);
  transform: rotate(45deg) translateY(-1px);
}

.page-faq .pkg__desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(11, 27, 43, 0.82);
}

/* ---------- 提示面板 ---------- */
.page-faq .faq-note {
  margin: clamp(1.5rem, 3.5vw, 2rem) 0 0;
  padding: 1.1rem 1.25rem;
}

.page-faq .faq-note__title {
  margin: 0 0 0.5rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.12em;
  color: var(--ink);
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(11, 27, 43, 0.86);
}

/* ---------- 双栏补充 ---------- */
.page-faq .faq-pair {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  gap: var(--faq-gap);
}

.page-faq .faq-pair__item {
  padding-top: 0.9rem;
  border-top: 2px solid var(--green);
}

.page-faq .faq-pair__item h3 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: -0.01em;
  font-weight: 900;
}

.page-faq .faq-pair__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(11, 27, 43, 0.82);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-group {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.page-faq .qa-group__head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 2px solid var(--ink);
}

.page-faq .qa-group__tag {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  background: var(--green);
  color: var(--ink);
  font-size: var(--fs-tiny);
  font-weight: 700;
}

.page-faq .qa-group__head h3 {
  margin: 0;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  font-weight: 900;
}

.page-faq .qa-group details {
  border-bottom: var(--faq-hair);
}

.page-faq .qa-group details:last-of-type {
  border-bottom: none;
}

.page-faq .qa-group summary {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.9688rem;
  line-height: 1.65;
  transition: background-color 160ms var(--ease);
}

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

.page-faq .qa-group summary:hover {
  background: var(--fog);
}

.page-faq .qa-group summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .qa-group summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--orange);
}

.page-faq .qa-group details[open] summary {
  background: var(--fog);
  border-left: 4px solid var(--green);
  padding-left: calc(1.1rem - 4px);
}

.page-faq .qa-group details[open] summary::after {
  content: "−";
  color: var(--green);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-answer {
  padding: 0.2rem 1.1rem 1.15rem;
  border-left: 4px solid var(--green);
}

.page-faq .qa-answer p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: rgba(11, 27, 43, 0.84);
}

.page-faq .qa-group__foot {
  padding: 0.75rem 1.1rem;
  background: var(--moss);
  border-top: var(--faq-hair);
  font-size: var(--fs-small);
}

/* ---------- 路径步骤 ---------- */
.page-faq .path-steps {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  position: relative;
}

.page-faq .path-step {
  position: relative;
  padding-left: 3.75rem;
  padding-bottom: 1.75rem;
}

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

.page-faq .path-step::before {
  content: "";
  position: absolute;
  left: 1.15rem;
  top: 2.6rem;
  bottom: 0.4rem;
  width: 2px;
  background: repeating-linear-gradient(
    180deg,
    var(--green) 0 8px,
    transparent 8px 16px
  );
}

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

.page-faq .path-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  font-size: var(--fs-tiny);
  letter-spacing: 0.04em;
}

.page-faq .path-step:last-child .path-step__num {
  background: var(--green);
  color: var(--ink);
  border-color: var(--green);
}

.page-faq .path-step h3 {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.0625rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .path-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(11, 27, 43, 0.84);
}

/* ---------- 更新面板 ---------- */
.page-faq .faq-panel {
  padding: 1.1rem 1.2rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-faq .faq-panel__k {
  margin: 0;
  font-size: var(--fs-tiny);
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(11, 27, 43, 0.84);
}

.page-faq .faq-panel__mail {
  display: inline-block;
  word-break: break-all;
  color: var(--ink);
  border-bottom: 2px solid var(--green);
  font-size: 0.875rem;
}

.page-faq .faq-panel .link-line {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 尾部行动区 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 3vw, 1.9rem);
  background: var(--fog);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.page-faq .faq-cta__t {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-cta__d {
  margin: 0.5rem 0 0;
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(11, 27, 43, 0.82);
}

.page-faq .faq-cta__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .pkg {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.25rem;
  }

  .page-faq .path-step {
    padding-left: 4.5rem;
    padding-bottom: 2.25rem;
  }

  .page-faq .path-step::before {
    left: 1.35rem;
    top: 2.9rem;
  }

  .page-faq .path-step__num {
    width: 2.75rem;
    height: 2.75rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(2.25rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
  }

  .page-faq .faq-hero {
    padding-block: clamp(1.75rem, 3vw, 2.75rem) clamp(3.5rem, 6vw, 5.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc__link,
  .page-faq .qa-group summary {
    transition: none;
  }
}
<<<END>>>