/* ===== 功能中心 / features ===== */
.page-products {
  --ft-gap: 18px;
  --ft-pad: clamp(16px, 4vw, 22px);
}

.page-products .ft-crumb {
  padding-block: 14px 6px;
}

/* ---------- 首屏 ---------- */
.page-products .ft-hero {
  background: var(--c-lake);
  border-bottom: var(--line) solid var(--c-ink);
  color: #fff;
  padding-block: clamp(28px, 5vw, 52px) clamp(30px, 5vw, 56px);
}

.page-products .ft-hero__grid {
  display: grid;
  gap: 26px;
}

.page-products .ft-kicker {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-sand);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 2px;
}

.page-products .ft-hero__title {
  margin: 16px 0 0;
  font-size: clamp(2rem, 8.4vw, 4.05rem);
  font-weight: 900;
  line-height: 0.99;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 18ch;
}

.page-products .ft-hero__lead-text {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 2.6vw, 1.0625rem);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.9);
}

.page-products .ft-hero__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .ft-hero .btn--ghost {
  border: var(--line) solid #fff;
  color: #fff;
  background: transparent;
}

.page-products .ft-hero .btn--ghost:hover,
.page-products .ft-hero .btn--ghost:focus-visible {
  background: #fff;
  color: var(--c-lake);
}

.page-products .ft-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: var(--line) solid var(--c-ink);
  background: var(--c-snow);
  box-shadow: 6px 6px 0 var(--c-sand);
}

.page-products .ft-stat {
  padding: 16px 14px;
  border-right: var(--line) solid var(--c-ink);
  border-bottom: var(--line) solid var(--c-ink);
}

.page-products .ft-stat:nth-child(2n) {
  border-right: 0;
}

.page-products .ft-stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-products .ft-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5.4vw, 2rem);
  font-weight: 600;
  line-height: 1;
  color: var(--c-lake);
}

.page-products .ft-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-products .ft-rail {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-products .ft-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: var(--line) solid rgba(255, 255, 255, 0.62);
  border-radius: 2px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.page-products .ft-rail__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-sand);
}

/* ---------- 通用区块头 ---------- */
.page-products .ft-head {
  margin-bottom: clamp(20px, 3.5vw, 30px);
}

.page-products .ft-figure {
  margin: 0 0 26px;
  border: var(--line) solid var(--c-ink);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
}

.page-products .ft-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-frame__caption {
  font-size: 0.8125rem;
  line-height: 1.55;
}

/* ---------- 筛选条 ---------- */
.page-products .ft-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .ft-filter__btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 14px;
  border: var(--line) solid var(--c-ink);
  border-radius: 2px;
  background: var(--c-snow);
  color: var(--c-ink);
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .ft-filter__btn:hover {
  background: var(--c-mist);
}

.page-products .ft-filter__btn[aria-pressed="true"] {
  background: var(--c-teal);
  color: var(--c-ink);
  box-shadow: 4px 4px 0 var(--c-ink);
}

.page-products .ft-filter__btn:focus-visible {
  outline: 3px solid var(--c-sand);
  outline-offset: 2px;
}

/* ---------- 功能卡片 ---------- */
.page-products .ft-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ft-gap);
}

.page-products .ft-card {
  display: flex;
  flex-direction: column;
  padding: var(--ft-pad);
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-snow);
  box-shadow: 6px 6px 0 var(--c-deep);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .ft-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--c-sand);
}

.page-products .ft-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .ft-card__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-sand);
  background: var(--c-ink);
  padding: 3px 8px;
  border-radius: 2px;
}

.page-products .ft-card__title {
  margin: 0 0 10px;
  font-size: clamp(1.125rem, 3.6vw, 1.3125rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-products .ft-card__text {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: #3a3f45;
}

.page-products .ft-card__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--c-mist);
}

.page-products .ft-card__list li {
  position: relative;
  padding: 8px 0 8px 16px;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-mist);
}

.page-products .ft-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  background: var(--c-teal);
}

.page-products .ft-card__meta {
  margin: auto 0 0;
  font-size: 0.875rem;
}

.page-products .ft-card__meta a {
  color: var(--c-lake);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--c-lake);
}

.page-products .ft-card__meta a:hover {
  color: var(--c-wine);
  border-bottom-color: var(--c-wine);
}

/* ---------- 分类导航三步 ---------- */
.page-products .ft-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .ft-step {
  position: relative;
  padding: 20px 18px 20px 24px;
  border: var(--line) solid var(--c-ink);
  background: var(--c-snow);
  box-shadow: 6px 6px 0 var(--c-teal);
}

.page-products .ft-step::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  bottom: -2px;
  width: 8px;
  background: var(--c-teal);
  border: var(--line) solid var(--c-ink);
}

.page-products .ft-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-ink);
  background: var(--c-sand);
  padding: 3px 8px;
  border-radius: 2px;
}

.page-products .ft-step__title {
  margin: 12px 0 8px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.32;
  color: var(--c-ink);
}

.page-products .ft-step__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.66;
  color: #3a3f45;
}

/* ---------- 手机端操作路径 ---------- */
.page-products .ft-path__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .ft-path__grid .ft-figure {
  margin-bottom: 0;
}

.page-products .ft-path__accordion {
  list-style: none;
  margin: 0;
  padding: 0;
  border: var(--line) solid var(--c-ink);
  background: var(--c-snow);
  box-shadow: var(--shadow-hard);
}

.page-products .ft-path__accordion .accordion__item + .accordion__item {
  border-top: var(--line) solid var(--c-ink);
}

.page-products .ft-path__accordion .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 16px;
  background: var(--c-snow);
  border: 0;
  font-family: var(--font-sans);
  font-size: 0.9688rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-ink);
  cursor: pointer;
  transition: background 0.18s var(--ease);
}

.page-products .ft-path__accordion .accordion__trigger:hover {
  background: var(--c-mist);
}

.page-products .ft-path__accordion .accordion__trigger:focus-visible {
  outline: 3px solid var(--c-sand);
  outline-offset: -3px;
}

.page-products .ft-path__accordion .accordion__trigger[aria-expanded="true"] {
  background: var(--c-teal);
}

.page-products .ft-path__accordion .accordion__mark {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
}

.page-products .ft-path__accordion .accordion__panel {
  padding: 0 16px 18px;
  background: var(--c-snow);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #3a3f45;
}

.page-products .ft-path__accordion .accordion__panel p {
  margin: 0;
}

.page-products .ft-stepno {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-stone);
  background: var(--c-ink);
  padding: 4px 7px;
  border-radius: 2px;
}

/* ---------- 往期归档 ---------- */
.page-products .ft-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .ft-ways {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ft-way {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: var(--line) solid var(--c-ink);
  border-radius: 2px;
  background: var(--c-snow);
}

.page-products .ft-way__key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-stone);
  background: var(--c-wine);
  padding: 4px 8px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .ft-way__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.62;
  color: var(--c-ink);
}

.page-products .ft-archive__grid .ft-figure {
  margin-bottom: 0;
}

.page-products .ft-archive__note {
  margin: 26px 0 0;
  max-width: 72ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: #3a3f45;
}

.page-products .ft-archive__cta {
  margin: 18px 0 0;
}

/* ---------- 会员权益 ---------- */
.page-products .ft-member {
  background: var(--c-deep);
  color: #fff;
  border-bottom: var(--line) solid var(--c-ink);
}

.page-products .ft-member .section-head__title {
  color: #fff;
}

.page-products .ft-member .section-head__index {
  color: var(--c-sand);
}

.page-products .ft-member .section-head__note {
  color: rgba(255, 255, 255, 0.76);
}

.page-products .ft-tiers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .ft-tier {
  padding: 18px 16px;
  border: var(--line) solid rgba(244, 241, 234, 0.55);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .ft-tier:hover {
  background: var(--c-indigo);
  border-color: var(--c-sand);
  transform: translateY(-2px);
}

.page-products .ft-tier__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-sand);
}

.page-products .ft-tier__title {
  margin: 10px 0 8px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}

.page-products .ft-tier__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.66;
  color: rgba(255, 255, 255, 0.84);
}

.page-products .ft-tier__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  display: grid;
  gap: 6px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

.page-products .ft-member__bottom {
  margin-top: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .ft-member__bottom .ft-figure {
  margin-bottom: 0;
  box-shadow: 6px 6px 0 var(--c-sand);
}

.page-products .ft-member__title {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 4vw, 1.625rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
}

.page-products .ft-member__text p {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.86);
}

.page-products .ft-member__cta {
  margin-top: 18px;
}

/* ---------- 适用场景 ---------- */
.page-products .ft-scenes .ft-figure {
  margin-bottom: 26px;
}

.page-products .ft-scenes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .ft-scene {
  padding: 18px 16px;
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-snow);
  box-shadow: 4px 4px 0 var(--c-mist);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .ft-scene:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--c-lake);
}

.page-products .ft-scene__title {
  margin: 12px 0 8px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-ink);
}

.page-products .ft-scene__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.66;
  color: #3a3f45;
}

.page-products .ft-scene__combo {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-mist);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-lake);
}

/* ---------- 收尾 ---------- */
.page-products .ft-cta {
  background: var(--c-snow);
  border-bottom: var(--line) solid var(--c-ink);
}

.page-products .ft-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.page-products .ft-cta__title {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-products .ft-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #3a3f45;
}

.page-products .ft-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .ft-cta .btn--ghost {
  border: var(--line) solid var(--c-ink);
  color: var(--c-ink);
  background: transparent;
}

.page-products .ft-cta .btn--ghost:hover,
.page-products .ft-cta .btn--ghost:focus-visible {
  background: var(--c-ink);
  color: var(--c-stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .ft-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .ft-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .ft-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .ft-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ft-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }

  .page-products .ft-path__accordion .accordion__trigger {
    padding: 18px 20px;
    font-size: 1.0625rem;
  }

  .page-products .ft-path__accordion .accordion__panel {
    padding: 0 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-products .ft-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .ft-path__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 30px;
  }

  .page-products .ft-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .ft-member__bottom {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 30px;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-products .ft-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ft-tiers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .ft-scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ft-card,
  .page-products .ft-tier,
  .page-products .ft-scene,
  .page-products .ft-filter__btn {
    transition: none;
  }

  .page-products .ft-card:hover,
  .page-products .ft-scene:hover,
  .page-products .ft-tier:hover {
    transform: none;
  }
}