.page-features-advanced {
  --fa-glass: color-mix(in srgb, var(--color-surface) 72%, transparent);
  --fa-glass-strong: color-mix(in srgb, var(--color-surface) 86%, transparent);
  --fa-edge: color-mix(in srgb, var(--color-primary-ink) 58%, var(--color-line));
  display: block;
}

/* ---------- 首屏 ---------- */
.page-features-advanced .fa-hero__grid {
  display: grid;
  gap: var(--space-4);
}

.page-features-advanced .fa-hero__lead .eyebrow {
  margin: 0 0 var(--space-2);
}

.page-features-advanced .fa-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  text-wrap: balance;
  padding-bottom: var(--space-3);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-accent) 0 26px,
    transparent 26px 40px
  );
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 3px;
}

.page-features-advanced .fa-hero__body p {
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-hero__body .lede {
  color: var(--color-ink);
}

.page-features-advanced .fa-hero__marks {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-features-advanced .fa-hero__mark {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--fa-edge);
  background: var(--fa-glass);
  box-shadow: var(--shadow-1);
}

.page-features-advanced .fa-hero__mark-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
  color: var(--color-accent);
}

.page-features-advanced .fa-hero__mark-text {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 三条依据 ---------- */
.page-features-advanced .fa-judge__list {
  display: grid;
  gap: var(--space-2);
}

.page-features-advanced .fa-judge__item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-features-advanced .fa-judge__summary {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
  padding: 0;
}

.page-features-advanced .fa-judge__summary::-webkit-details-marker {
  display: none;
}

.page-features-advanced .fa-judge__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-accent);
}

.page-features-advanced .fa-judge__item[open] .fa-judge__summary::after {
  content: "–";
}

.page-features-advanced .fa-judge__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-features-advanced .fa-judge__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .fa-judge__body {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .fa-judge__body p {
  margin: 0 0 var(--space-1);
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-judge__body p:last-child {
  margin-bottom: 0;
}

.page-features-advanced .fa-judge__body strong {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

/* ---------- 做法一：联合选定 ---------- */
.page-features-advanced .fa-join__grid {
  display: grid;
  gap: var(--space-4);
}

.page-features-advanced .fa-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-features-advanced .fa-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 3.4ch minmax(0, 1fr);
  column-gap: var(--space-3);
  padding-bottom: var(--space-6);
}

.page-features-advanced .fa-steps__item::after {
  content: "";
  position: absolute;
  left: calc(3.4ch + var(--space-3));
  right: 0;
  bottom: var(--space-3);
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0 1px,
    transparent 1px 14px
  );
}

.page-features-advanced .fa-steps__item:last-child {
  padding-bottom: 0;
}

.page-features-advanced .fa-steps__item:last-child::after {
  display: none;
}

.page-features-advanced .fa-steps__num {
  grid-row: 1;
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: 0.02em;
  color: var(--color-accent);
}

.page-features-advanced .fa-steps__title {
  grid-row: 1;
  grid-column: 2;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .fa-steps__text {
  grid-row: 2;
  grid-column: 2;
  margin: var(--space-1) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-steps__meta {
  grid-row: 3;
  grid-column: 2;
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-features-advanced .fa-join__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-features-advanced .fa-join__caption {
  padding: var(--space-2) var(--space-3) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 做法二：生效衔接 ---------- */
.page-features-advanced .fa-shift__stage {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  padding: var(--space-8) var(--space-3);
}

.page-features-advanced .fa-shift__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-features-advanced .fa-shift__veil {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-features-advanced .fa-shift__inner {
  position: relative;
}

.page-features-advanced .fa-shift__title {
  margin: var(--space-1) 0 0;
  max-width: var(--measure);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-features-advanced .fa-shift__lede {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-features-advanced .fa-bands {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.page-features-advanced .fa-band {
  display: grid;
  gap: var(--space-1);
}

.page-features-advanced .fa-band__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
}

.page-features-advanced .fa-band__bar {
  display: block;
  height: 12px;
  border-radius: var(--radius-pill);
}

.page-features-advanced .fa-band--old .fa-band__bar {
  width: 74%;
  background: color-mix(in srgb, var(--color-ink-muted) 72%, transparent);
}

.page-features-advanced .fa-band--new .fa-band__bar {
  width: 60%;
  margin-left: 40%;
  background: color-mix(in srgb, var(--color-contrast-accent) 52%, transparent);
}

.page-features-advanced .fa-band--overlap .fa-band__bar {
  width: 34%;
  margin-left: 40%;
  background: var(--color-highlight);
}

.page-features-advanced .fa-band__note {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-features-advanced .fa-shift__rules {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-features-advanced .fa-shift__rules li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-features-advanced .fa-shift__rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--color-contrast-accent);
}

.page-features-advanced .fa-shift__rules a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 差别对照 ---------- */
.page-features-advanced .fa-compare__rows {
  display: grid;
  gap: var(--space-2);
}

.page-features-advanced .fa-compare__row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--fa-edge);
  background: var(--fa-glass);
  box-shadow: var(--shadow-1);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.page-features-advanced .fa-compare__row:hover {
  background: var(--fa-glass-strong);
  border-color: color-mix(in srgb, var(--color-accent) 42%, var(--fa-edge));
}

.page-features-advanced .fa-compare__row p {
  margin: 0;
  font-size: var(--text-sm);
}

.page-features-advanced .fa-compare__base {
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-compare__adv {
  color: var(--color-ink);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-2);
}

.page-features-advanced .fa-compare__key {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-features-advanced .fa-compare__adv .fa-compare__key {
  color: var(--color-accent);
}

/* ---------- 准备材料 ---------- */
.page-features-advanced .fa-prep__stage {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  padding: var(--space-6) var(--space-3);
}

.page-features-advanced .fa-prep__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-features-advanced .fa-prep__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface) 82%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 94%, transparent) 100%
  );
}

.page-features-advanced .fa-prep__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-features-advanced .fa-prep__item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--fa-edge);
  background: var(--fa-glass-strong);
  box-shadow: var(--shadow-1);
}

.page-features-advanced .fa-prep__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .fa-prep__text {
  margin: var(--space-1) 0 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-prep__dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 2px;
}

.page-features-advanced .fa-prep__dot--live {
  background: var(--color-accent);
}

.page-features-advanced .fa-prep__dot--pending {
  background: var(--color-primary);
}

.page-features-advanced .fa-prep__dot--transit {
  background: var(--color-ink-muted);
}

/* ---------- 下一步 ---------- */
.page-features-advanced .fa-next__grid {
  display: grid;
  gap: var(--space-3);
}

.page-features-advanced .fa-next__card {
  display: flex;
  flex-direction: column;
}

.page-features-advanced .fa-next__card .num {
  margin: 0 0 var(--space-1);
}

.page-features-advanced .fa-next__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .fa-next__text {
  margin: var(--space-2) 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features-advanced .fa-next__card .cta-row {
  margin-top: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-features-advanced .fa-hero__marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-features-advanced .fa-hero__mark:nth-child(2) {
    transform: translateY(14px);
  }

  .page-features-advanced .fa-hero__mark:nth-child(3) {
    transform: translateY(4px);
  }

  .page-features-advanced .fa-compare__row {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-features-advanced .fa-next__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-features-advanced .fa-shift__stage {
    padding: var(--space-8) var(--space-6);
  }

  .page-features-advanced .fa-prep__stage {
    padding: var(--space-8) var(--space-6);
  }

  .page-features-advanced .fa-judge__item:nth-child(1) {
    margin-right: 14%;
  }

  .page-features-advanced .fa-judge__item:nth-child(2) {
    margin-left: 8%;
    margin-right: 4%;
  }

  .page-features-advanced .fa-judge__item:nth-child(3) {
    margin-left: 18%;
  }
}

@media (min-width: 960px) {
  .page-features-advanced .fa-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-features-advanced .fa-hero__title {
    font-size: var(--text-3xl);
  }

  .page-features-advanced .fa-join__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: var(--space-6);
    align-items: start;
  }

  .page-features-advanced .fa-join__figure {
    position: sticky;
    top: var(--space-6);
  }

  .page-features-advanced .fa-shift__title {
    font-size: var(--text-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-features-advanced .fa-compare__row,
  .page-features-advanced .fa-hero__mark {
    transition: none;
    transform: none;
  }
}
</style>