.page-products {
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  overflow-x: clip;
}

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

.page-products .products-shell {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.page-products .products-crumb {
  padding-top: clamp(1rem, 3vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-products .products-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .products-crumb a {
  color: var(--ice-deep);
  text-decoration: none;
}

.page-products .products-crumb a:hover {
  text-decoration: underline;
}

.page-products .products-crumb li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--slate);
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-products .section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ice-deep);
  text-wrap: balance;
}

.page-products .section-note {
  margin: 0;
  max-width: 46rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .section-head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.2rem);
}

/* ---------- 首屏 ---------- */
.page-products .products-intro {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(2.5rem, 7vw, 4.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-products .products-intro h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ice-deep);
  text-wrap: balance;
}

.page-products .products-intro .lede {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--slate);
}

.page-products .stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .stat-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  background: var(--frost);
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ice-deep);
}

.page-products .stat-num {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--orange);
}

.page-products .intro-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 91% 100%, 0 100%);
}

.page-products .intro-media img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 栏目筛选 ---------- */
.page-products .column-section {
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .filter-bar {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.2rem 0.2rem 0.85rem;
  margin-bottom: 1.1rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .filter-button {
  flex: 0 0 auto;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ice-deep);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-products .filter-button:hover {
  background: var(--frost);
  border-color: var(--ice-deep);
}

.page-products .filter-button[aria-pressed="true"] {
  background: var(--ice-deep);
  border-color: var(--ice-deep);
  color: var(--snow);
}

.page-products .column-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-products [data-filter-item][data-filtered-out],
.page-products [data-filter-item][hidden] {
  display: none;
}

.page-products .column-card {
  position: relative;
  overflow: hidden;
  padding: 1.3rem 1.2rem 1.45rem;
  background: var(--frost);
  border-bottom: 3px solid var(--ice);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-products .column-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ice-deep), var(--orange));
  transform: scaleX(0.26);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.page-products .column-card:hover::before {
  transform: scaleX(1);
}

.page-products .column-card:hover {
  border-bottom-color: var(--orange);
  box-shadow: var(--shadow-card);
}

.page-products .card-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-products .column-card h3 {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ice-deep);
}

.page-products .column-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 双索引 ---------- */
.page-products .index-section {
  padding-block: clamp(2rem, 5vw, 3.25rem);
}

.page-products .sub-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ice-deep);
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--ice);
}

.page-products .index-split {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.5rem);
}

.page-products .project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .project-tags li {
  padding: 0.4rem 0.68rem;
  background: var(--snow);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ice-deep);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.page-products .project-tags li:hover {
  background: var(--ice);
  border-color: var(--ice-deep);
}

.page-products .index-foot {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .date-ruler {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0 0 0 1.1rem;
  border-left: 2px solid var(--ice);
  display: grid;
  gap: 1rem;
}

.page-products .date-ruler li {
  position: relative;
}

.page-products .date-ruler li::before {
  content: "";
  position: absolute;
  left: calc(-1.1rem - 6px);
  top: 0.45rem;
  width: 10px;
  height: 10px;
  background: var(--snow);
  border: 2px solid var(--ice-deep);
  border-radius: 50%;
}

.page-products .ruler-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-products .date-ruler p {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 资料包 ---------- */
.page-products .pack-section {
  margin-top: clamp(2rem, 6vw, 4rem);
  padding-block: clamp(2.25rem, 6vw, 4rem);
  background: var(--ice);
}

.page-products .pack-split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pack-cover {
  margin: 0;
  position: relative;
}

.page-products .pack-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  box-shadow: var(--shadow-soft);
}

.page-products .pack-caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--slate);
  text-align: center;
}

.page-products .pack-lead {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pack-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .pack-item {
  padding: 1rem 1.1rem 1.05rem;
  background: var(--snow);
  border-left: 3px solid var(--pine);
}

.page-products .mono-index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pack-item h3 {
  margin: 0.25rem 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ice-deep);
}

.page-products .pack-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 会员权益 ---------- */
.page-products .perk-section {
  padding-block: clamp(2.25rem, 6vw, 3.75rem);
}

.page-products .perk-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .perk-media {
  margin: 0;
  align-self: start;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8% 92%, 0 100%);
}

.page-products .perk-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .perk-list {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-products .perk {
  background: var(--snow);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ice-deep);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-products .perk[open] {
  border-left-color: var(--orange);
  box-shadow: var(--shadow-card);
}

.page-products .perk summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .perk summary::-webkit-details-marker {
  display: none;
}

.page-products .perk-num {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  background: var(--orange-soft);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.page-products .perk-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ice-deep);
}

.page-products .perk-flag {
  margin-left: auto;
}

.page-products .tag {
  display: inline-block;
  padding: 0.18rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-radius: var(--radius);
}

.page-products .perk-body {
  padding: 0 1rem 1rem 3.65rem;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .perk-body p {
  margin: 0 0 0.45rem;
}

.page-products .perk-body p:last-child {
  margin-bottom: 0;
  color: var(--slate);
}

/* ---------- 订阅流程 ---------- */
.page-products .flow-section {
  padding-block: clamp(2rem, 5vw, 3.25rem);
}

.page-products .flow-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .flow-step {
  position: relative;
  padding: 1.1rem 1.2rem 1.2rem 3.6rem;
  background: var(--frost);
  border: 1px solid var(--line);
}

.page-products .step-num {
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--orange-soft);
}

.page-products .flow-step h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ice-deep);
}

.page-products .flow-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-products .flow-step.is-first {
  background: var(--ice-deep);
  border-color: var(--ice-deep);
}

.page-products .flow-step.is-first h3 {
  color: var(--snow);
}

.page-products .flow-step.is-first p {
  color: rgba(247, 251, 254, 0.84);
}

.page-products .flow-step.is-first .step-num {
  color: var(--orange);
}

.page-products .flow-media {
  margin: 0;
}

.page-products .flow-media img {
  width: 100%;
  max-width: 320px;
  margin-inline: auto;
  aspect-ratio: 8 / 14;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
}

/* ---------- 协作与更新 ---------- */
.page-products .mech-band {
  position: relative;
  overflow: hidden;
  margin-top: clamp(2rem, 6vw, 4rem);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--ice-deep);
  color: var(--snow);
}

.page-products .mech-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    115deg,
    rgba(217, 240, 250, 0.07) 0 2px,
    transparent 2px 26px
  );
  pointer-events: none;
}

.page-products .mech-inner {
  position: relative;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .mech-band .eyebrow {
  color: var(--orange-soft);
}

.page-products .mech-band .section-title {
  color: var(--snow);
  margin-bottom: 0.9rem;
}

.page-products .mech-copy p {
  margin: 0 0 0.85rem;
  font-size: 0.93rem;
  line-height: 1.82;
  color: rgba(247, 251, 254, 0.82);
}

.page-products .mech-stats {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.page-products .mech-stats li {
  padding-top: 0.55rem;
  border-top: 2px solid var(--orange);
}

.page-products .mech-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--snow);
  letter-spacing: 0.02em;
}

.page-products .mech-label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  color: rgba(247, 251, 254, 0.7);
}

.page-products .mech-media {
  margin: 0;
}

.page-products .mech-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(217, 240, 250, 0.35);
}

/* ---------- 下一步 ---------- */
.page-products .next-section {
  padding-top: clamp(2.25rem, 6vw, 3.75rem);
}

.page-products .next-links {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-products .next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  background: var(--frost);
  border-left: 3px solid var(--ice-deep);
  color: var(--ice-deep);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-products .next-links a:hover {
  background: var(--ice);
  border-left-color: var(--orange);
  transform: translateX(3px);
}

.page-products .next-links small {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-products .next-arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--orange);
}

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

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

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

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

@media (min-width: 900px) {
  .page-products .products-intro {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .index-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-products .pack-split {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .perk-layout {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .mech-inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .flow-layout {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }

  .page-products .flow-media img {
    max-width: none;
  }

  .page-products .column-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>