.page-faq {
  --faq-narrow: 720px;
  --faq-measure: 1160px;
  --faq-gap: 84px;
  --faq-radius: 2px;
  position: relative;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 56px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(92, 134, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 134, 255, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > .shell { position: relative; z-index: 1; }

.page-faq .faq-hero__eyebrow {
  margin: 26px 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: clamp(2.125rem, 6.6vw, 4.375rem);
  line-height: 1.06;
  margin: 16px 0 22px;
  max-width: 15ch;
  color: var(--text);
}

.page-faq .faq-hero__lede {
  margin: 0 0 40px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-2);
  max-width: 42ch;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-faq .faq-jump li { border-bottom: 1px solid var(--line); }

.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 2px;
  color: var(--text-2);
  text-decoration: none;
  font-size: var(--fs-16);
  transition: color 0.18s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--cyan);
  padding-left: 12px;
}

.page-faq .faq-jump__idx {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--brand-soft);
}

/* ---------- 分组骨架 ---------- */
.page-faq .faq-group {
  padding: var(--faq-gap) 0;
}

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

.page-faq .faq-group__inner {
  margin: 0 auto;
}

.page-faq .faq-group--narrow .faq-group__inner { max-width: var(--faq-narrow); }
.page-faq .faq-group--wide .faq-group__inner { max-width: var(--faq-measure); }

.page-faq .faq-group__head {
  position: relative;
  padding-bottom: 22px;
  margin-bottom: 34px;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-group__idx {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--brand-soft);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.6vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-3);
  max-width: 46ch;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 36px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-paper);
  aspect-ratio: auto;
  overflow: hidden;
}

.page-faq .faq-figure--path { margin: 44px 0 0; }

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

/* ---------- 问答条目 ---------- */
.page-faq .faq-list { display: block; }

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.0625rem, 2.7vw, 1.5rem);
  line-height: 1.34;
  color: var(--text);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible { color: var(--cyan); }

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-item__arrow {
  flex: none;
  font-size: 0.66em;
  line-height: 2;
  color: var(--cyan);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] > .faq-item__q .faq-item__arrow { transform: rotate(90deg); }

.page-faq .faq-item__a {
  padding: 0 0 28px 26px;
  max-width: 44ch;
  color: var(--text-2);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-faq .faq-item__a p { margin: 0 0 14px; }
.page-faq .faq-item__a p:last-child { margin-bottom: 0; }

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 192, 0.4);
  transition: border-color 0.18s var(--ease);
}

.page-faq .faq-item__a a:hover { border-bottom-color: var(--cyan); }

/* ---------- 技能树式步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding-bottom: 16px;
}

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

.page-faq .faq-steps__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 192, 0.12));
}

.page-faq .faq-steps__num {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--bg);
  color: var(--cyan);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.page-faq .faq-steps__text {
  margin: 0;
  padding-top: 4px;
}

/* ---------- 冷白长文分区 ---------- */
.page-faq .faq-group--paper {
  background: var(--paper);
  border-top: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  --text: var(--ink-900);
  --text-2: var(--ink-700);
  --text-3: var(--steel);
  --line: #D6DDF4;
}

.page-faq .faq-group--paper .faq-group__idx { color: var(--brand); }
.page-faq .faq-group--paper .faq-group__head::after { background: var(--brand); }
.page-faq .faq-group--paper .faq-item__q:hover,
.page-faq .faq-group--paper .faq-item__q:focus-visible { color: var(--brand); }
.page-faq .faq-group--paper .faq-item__q:focus-visible { outline-color: var(--brand); }
.page-faq .faq-group--paper .faq-item__arrow { color: var(--brand); }
.page-faq .faq-group--paper .faq-item__a a {
  color: var(--brand);
  border-bottom-color: rgba(27, 77, 255, 0.35);
}

.page-faq .faq-group--paper .faq-steps__num {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--paper);
}

.page-faq .faq-group--paper .faq-steps__item:not(:last-child)::before {
  background: linear-gradient(180deg, var(--brand-soft), rgba(27, 77, 255, 0.1));
}

/* ---------- 暖橙强调分区 ---------- */
.page-faq .faq-group--amber .faq-group__idx { color: var(--amber); }
.page-faq .faq-group--amber .faq-group__head::after { background: var(--amber); }
.page-faq .faq-group--amber .faq-item__q:hover,
.page-faq .faq-group--amber .faq-item__q:focus-visible { color: var(--amber); }
.page-faq .faq-group--amber .faq-item__arrow { color: var(--amber); }
.page-faq .faq-group--amber .faq-item__a a {
  color: var(--amber);
  border-bottom-color: rgba(255, 138, 61, 0.4);
}

/* ---------- 联系方式条 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin: 0 0 36px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: var(--surface);
  box-shadow: var(--shadow-paper);
  padding: 6px 20px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-16);
}

.page-faq .faq-contact__row:last-child { border-bottom: 0; }

.page-faq .faq-contact__k {
  flex: none;
  min-width: 5.5em;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-contact__v {
  color: var(--text);
  word-break: break-word;
}

/* ---------- 继续查看 ---------- */
.page-faq .faq-next {
  padding: 72px 0 96px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-next__inner { max-width: var(--faq-measure); margin: 0 auto; }

.page-faq .faq-next__label {
  margin: 0 0 20px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-paper-hover);
}

.page-faq .faq-next__arrow {
  color: var(--cyan);
  font-size: var(--fs-20);
  line-height: 1;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-jump { grid-template-columns: repeat(2, 1fr); }
  .page-faq .faq-item__a { padding-left: 30px; }
  .page-faq .faq-next__list { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .page-faq { --faq-gap: 120px; }
  .page-faq .faq-jump { grid-template-columns: repeat(3, 1fr); }
  .page-faq .faq-hero { padding: calc(var(--header-h) + 72px) 0 72px; }
  .page-faq .faq-group__head { margin-bottom: 44px; }
  .page-faq .faq-item__q { padding: 28px 0; gap: 18px; }
  .page-faq .faq-item__a { padding-left: 36px; max-width: 48ch; }
  .page-faq .faq-figure { margin-bottom: 48px; }
}

@media (max-width: 479px) {
  .page-faq .faq-hero__lede { font-size: var(--fs-14); }
  .page-faq .faq-item__q { gap: 10px; }
  .page-faq .faq-item__a { padding-left: 20px; font-size: var(--fs-14); }
  .page-faq .faq-contact { padding: 4px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__arrow,
  .page-faq .faq-next__link {
    transition-duration: 0.01ms;
  }
  .page-faq .faq-next__link:hover { transform: none; }
}