.page-faq {
  --faq-rail-w: 15.5rem;
  --faq-gap: clamp(1.8rem, 4vw, 3.4rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3.4vw, 2.2rem) 0 clamp(2rem, 5vw, 3.2rem);
  border-bottom: 1px solid var(--edge);
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(53, 242, 208, 0.10), transparent 58%),
    linear-gradient(180deg, var(--void) 0%, var(--turf) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 3.6vw, 2.6rem);
  margin-top: clamp(1rem, 3vw, 1.8rem);
  align-items: end;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6.4vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 0.5rem 0 0.95rem;
  color: var(--ink);
}

.page-faq .faq-hero .lede {
  color: var(--ink-dim);
  line-height: 1.78;
  margin: 0;
}

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

.page-faq .faq-hero__media {
  border-radius: var(--r-md);
  overflow: hidden;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(2rem, 5vw, 3.2rem) clamp(3rem, 7vw, 5rem);
}

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

.page-faq .faq-rail__title {
  color: var(--ink-dim);
  letter-spacing: 0.14em;
  margin: 0 0 0.9rem;
}

.page-faq .faq-flow > * + * {
  margin-top: clamp(2.6rem, 6vw, 4.2rem);
}

/* ---------- 章节头 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 6rem;
}

.page-faq .faq-group__head {
  border-top: 1px solid var(--edge);
  padding-top: 1.15rem;
}

.page-faq .faq-group__head h2 {
  margin: 0.35rem 0 0.6rem;
  color: var(--ink);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 36em;
  color: var(--ink-dim);
  line-height: 1.78;
}

/* ---------- 步骤树 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 1.28rem;
  top: 2.7rem;
  bottom: 0.2rem;
  width: 1px;
  background: linear-gradient(180deg, var(--live-2), rgba(14, 140, 119, 0));
}

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

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

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--live-2);
  border-radius: var(--r-xs);
  background: rgba(53, 242, 208, 0.07);
  color: var(--live);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
}

.page-faq .faq-step__body h3 {
  margin: 0.35rem 0 0.4rem;
  color: var(--ink);
}

.page-faq .faq-step__body p {
  margin: 0;
  color: var(--ink-dim);
  line-height: 1.78;
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .qa {
  border: 1px solid var(--edge);
  border-radius: var(--r-sm);
  background: var(--turf);
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}

.page-faq .qa + .qa {
  margin-top: 0.65rem;
}

.page-faq .qa:hover {
  border-color: var(--live-2);
}

.page-faq .qa[open] {
  border-color: var(--live);
  background: var(--glass);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.62;
  color: var(--ink);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--live);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

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

.page-faq .qa__a {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid var(--edge);
  margin-top: 0.2rem;
  padding-top: 0.85rem;
  color: var(--ink-dim);
  font-size: var(--fs-14);
  line-height: 1.8;
}

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

.page-faq .qa__a p + p {
  margin-top: 0.6rem;
}

/* 归档线配色 */
.page-faq .faq-group--archive .qa:hover {
  border-color: var(--archive-2);
}

.page-faq .faq-group--archive .qa[open] {
  border-color: var(--archive);
}

.page-faq .faq-group--archive .qa__q::after {
  color: var(--archive);
}

.page-faq .faq-group--archive .qa__q:focus-visible {
  outline-color: var(--archive);
}

/* ---------- 历史章节 ---------- */
.page-faq .faq-history__visual {
  display: grid;
  gap: 1.1rem;
  margin-top: clamp(1.2rem, 3vw, 1.7rem);
}

.page-faq .faq-map {
  width: 100%;
  height: auto;
  display: block;
  box-sizing: border-box;
  padding: 0.7rem;
  border: 1px solid var(--edge);
  border-radius: var(--r-sm);
  background: var(--turf);
}

.page-faq .faq-map__band {
  fill: var(--glass);
  stroke: var(--edge);
}

.page-faq .faq-map__cell {
  fill: none;
  stroke: var(--archive-2);
}

.page-faq .faq-map__cell--live {
  stroke: var(--live-2);
}

.page-faq .faq-map__link {
  stroke: var(--archive-2);
  stroke-width: 1;
  fill: none;
}

.page-faq .faq-map__txt {
  fill: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
}

.page-faq .faq-history__media {
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-faq .faq-timeline {
  list-style: none;
  margin: clamp(1.3rem, 3vw, 1.8rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 6.2rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding-left: 0.95rem;
  border-left: 1px solid var(--archive-2);
}

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--archive);
}

.page-faq .faq-timeline__season {
  margin: 0;
  color: var(--archive);
  letter-spacing: 0.06em;
}

.page-faq .faq-timeline__item p:last-child {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-14);
  line-height: 1.75;
}

/* ---------- 费用构成 ---------- */
.page-faq .faq-bill {
  display: grid;
  gap: 0.7rem;
  margin-top: clamp(1.2rem, 3vw, 1.7rem);
}

.page-faq .faq-bill__item {
  border: 1px solid var(--edge);
  border-left: 3px solid var(--archive);
  border-radius: var(--r-xs);
  background: var(--turf);
  padding: 0.85rem 1rem;
}

.page-faq .faq-bill__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--archive);
}

.page-faq .faq-bill__v {
  margin: 0.35rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin-top: 1.1rem;
  padding: 0.95rem 1.15rem;
  border: 1px solid var(--archive-2);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(255, 154, 60, 0.13), rgba(255, 154, 60, 0) 72%);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-faq .faq-strip:hover {
  border-color: var(--archive);
  transform: translateX(3px);
}

.page-faq .faq-strip__k {
  flex: none;
  color: var(--archive);
  letter-spacing: 0.12em;
}

.page-faq .faq-strip__v {
  flex: 1 1 12rem;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--ink-dim);
}

.page-faq .faq-strip__arrow {
  flex: none;
  color: var(--archive);
  font-family: var(--font-mono);
}

/* ---------- 人工入口 ---------- */
.page-faq .faq-when {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.7rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-when li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-when li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.72rem;
  height: 1px;
  background: var(--live);
}

.page-faq .faq-contact {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.page-faq .faq-contact__card {
  border: 1px solid var(--edge);
  border-top: 3px solid var(--live-2);
  border-radius: var(--r-xs);
  background: var(--turf);
  padding: 1rem 1.1rem;
}

.page-faq .faq-contact__k {
  margin: 0;
  color: var(--live);
  letter-spacing: 0.12em;
}

.page-faq .faq-contact__v {
  margin: 0.5rem 0 0.3rem;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-12);
  line-height: 1.7;
}

.page-faq .faq-human__more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.1rem;
  margin: 1.3rem 0 0;
}

.page-faq .faq-human__aside {
  color: var(--ink-dim);
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-bill {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-history__visual {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 6rem;
    padding-right: 1.1rem;
    border-right: 1px solid var(--edge);
  }
}
<<<END>>>