.page-products {
  --pp-rail: 76px;
  --pp-sticky-top: 84px;
  --pp-card-bg: var(--deep-black);
  --pp-hairline: 1px solid var(--line-soft);
}

.page-products .eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--crown);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}

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

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(42, 44, 49, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 44, 49, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

.page-products .tools-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-products .tools-hero__title {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 9vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
}

.page-products .tools-hero__lede {
  max-width: 54ch;
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.85;
  margin: 0 0 26px;
}

.page-products .tools-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .tools-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0;
  align-self: start;
}

.page-products .hero-stat {
  background: var(--vault-black);
  padding: 14px 16px 16px;
}

.page-products .hero-stat__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  margin: 0 0 6px;
}

.page-products .hero-stat__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-products .hero-stat__num {
  font-size: 1.7rem;
  color: var(--crown);
  letter-spacing: -0.01em;
}

/* ---------- 章节骨架 ---------- */
.page-products .chapter {
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: var(--pp-hairline);
}

.page-products .chapter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .chapter__rail {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .chapter__number {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  color: var(--gold-line);
  transition: color 0.28s var(--ease);
}

.page-products .chapter__rail-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .chapter.is-active .chapter__number {
  color: var(--crown);
}

.page-products .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 14px;
}

.page-products .prose {
  max-width: 60ch;
  color: var(--ink-2);
  line-height: 1.85;
  margin: 0;
}

/* ---------- 版本对照 ---------- */
.page-products .vs-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .vs-wrap {
  border: 1px solid var(--line);
  background: var(--pp-card-bg);
}

.page-products .vs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  line-height: 1.6;
}

.page-products .vs-table thead th {
  position: sticky;
  top: var(--pp-sticky-top);
  z-index: 2;
  background: #101114;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--gold-line);
  font-weight: 500;
}

.page-products .vs-table thead th:nth-child(2) {
  color: var(--white);
}

.page-products .vs-table tbody th {
  text-align: left;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--crown);
  font-size: 0.95rem;
  padding: 14px;
  vertical-align: top;
  white-space: nowrap;
}

.page-products .vs-table tbody td {
  padding: 14px;
  color: var(--ink-2);
  vertical-align: top;
  border-left: 1px solid var(--line-soft);
}

.page-products .vs-table tbody tr {
  border-top: 1px solid var(--line-soft);
  transition: background 0.18s var(--ease);
}

.page-products .vs-table tbody tr:hover {
  background: rgba(201, 162, 39, 0.05);
}

.page-products .vs-table tbody tr:hover td {
  color: var(--ink);
}

.page-products .vs-table th:nth-child(3),
.page-products .vs-table td:nth-child(3) {
  border-right: 1px solid var(--gold-line);
}

.page-products .vs-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  margin-right: 7px;
  vertical-align: 0.15em;
}

.page-products .vs-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--mist);
}

.page-products .vs-note a {
  color: var(--chrome, var(--mist));
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 1px;
}

.page-products .vs-note a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 下载清单 ---------- */
.page-products .dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.page-products .dl {
  counter-reset: done;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--pp-card-bg);
}

.page-products .dl__progress {
  order: -1;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--gold-line);
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.1), transparent 70%);
}

.page-products .dl__progress-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .dl__count::after {
  content: counter(done, decimal-leading-zero) " / 18";
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .dl__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.18s var(--ease);
}

.page-products .dl__row:last-child {
  border-bottom: 0;
}

.page-products .dl__check {
  appearance: none;
  -webkit-appearance: none;
  width: 17px;
  height: 17px;
  margin: 0;
  border: 1px solid var(--metal-gray);
  background: transparent;
  flex: none;
  cursor: pointer;
  position: relative;
  transition: border-color 0.14s var(--ease), background 0.14s var(--ease);
}

.page-products .dl__check:checked {
  counter-increment: done;
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .dl__check:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border: solid var(--vault-black);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-products .dl__check:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-products .dl__label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  min-width: 0;
}

.page-products .dl__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--gold-line);
  flex: none;
}

.page-products .dl__text {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  min-width: 0;
}

.page-products .dl__name {
  color: var(--white);
  font-size: 0.95rem;
}

.page-products .dl__how {
  color: var(--mist);
  font-size: 0.82rem;
}

.page-products .dl__state {
  flex: none;
}

.page-products .tag--status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(47, 224, 208, 0.08);
  white-space: nowrap;
}

.page-products .tag--status.tag--pending {
  border-color: var(--metal-gray);
  color: var(--mist);
  background: transparent;
}

.page-products .dl__row:has(.dl__check:checked) {
  background: rgba(47, 224, 208, 0.06);
}

.page-products .dl__row:has(.dl__check:checked) .dl__name {
  color: var(--cyan);
}

.page-products .dl-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .dl-side__note {
  border: 1px solid var(--line);
  background: var(--pp-card-bg);
  padding: 18px;
}

.page-products .dl-side__title {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--white);
  margin: 0 0 12px;
  font-weight: 400;
}

.page-products .dl-side__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.6;
}

.page-products .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: 0.15em;
}

.page-products .dot--cyan { background: var(--cyan); }
.page-products .dot--mist { background: var(--mist); }
.page-products .dot--amber { background: var(--amber); }

.page-products .dl-side__link {
  margin: 0;
  font-size: 0.86rem;
  color: var(--mist);
  line-height: 1.7;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-products .dl-side__link a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
}

/* ---------- 过渡色带 ---------- */
.page-products .tools-band {
  height: 6px;
  background: linear-gradient(90deg, var(--gold-line), var(--crown) 22%, var(--amber) 50%, var(--gold-line) 78%, transparent);
  opacity: 0.85;
}

/* ---------- 当季工具 ---------- */
.page-products .season-group {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .season-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .tag--quarter {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--crown);
  border: 1px solid var(--gold-line);
  padding: 4px 12px;
  background: rgba(74, 59, 18, 0.22);
}

.page-products .season-group__count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--mist);
}

.page-products .tt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .tt-card {
  border: 1px solid var(--line);
  background: var(--pp-card-bg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .tt-card:hover {
  border-color: var(--gold-line);
  transform: translateY(-3px);
}

.page-products .tt-card__media {
  margin: -20px -20px 6px;
}

.page-products .tt-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: 0.01em;
  color: var(--white);
  margin: 0;
}

.page-products .tt-card__use {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .tt-card__scene {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mist);
  border-left: 2px solid var(--gold-line);
  padding-left: 10px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .tt-card:hover .tt-card__scene {
  color: var(--amber);
  border-left-color: var(--amber);
}

.page-products .tt-card__steps {
  margin: 4px 0 0;
  padding-left: 18px;
  color: var(--mist);
  font-size: 0.84rem;
  line-height: 1.8;
}

.page-products .tt-card--plain {
  border-style: dashed;
}

.page-products .season-foot {
  margin: 0;
  font-size: 0.9rem;
  color: var(--mist);
}

.page-products .season-foot a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .season-foot a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 更新节奏 ---------- */
.page-products .cycle-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-products .cycle-figure {
  margin: 0;
}

.page-products .cycle-list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .cycle-list li {
  background: var(--vault-black);
  padding: 13px 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-products .cycle-list__k {
  display: inline-block;
  min-width: 5.4em;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--crown);
  margin-right: 8px;
}

.page-products .cycle-text__tail a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .cycle-text__tail a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 怎么选 ---------- */
.page-products .choose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .choose-card {
  border-top: 2px solid var(--gold-line);
  background: var(--pp-card-bg);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .choose-card__no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--crown);
}

.page-products .choose-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--white);
  margin: 0;
  line-height: 1.3;
}

.page-products .choose-card__text {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.75;
  flex: 1;
}

.page-products .choose-card__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.18s var(--ease);
}

.page-products .choose-card__link:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 尾段 ---------- */
.page-products .tools-cta {
  border-top: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.08), transparent 62%);
  padding: clamp(30px, 5vw, 52px) 0;
}

.page-products .tools-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-products .tools-cta__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  color: var(--white);
  margin: 0 0 8px;
  line-height: 1.2;
}

.page-products .tools-cta__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
}

.page-products .tools-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 显现动效 ---------- */
.js .page-products [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.js .page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .tt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .tt-card:nth-child(even) {
    margin-top: 34px;
  }

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

  .page-products .tools-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

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

  .page-products .chapter__grid {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(20px, 4vw, 52px);
  }

  .page-products .chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    position: sticky;
    top: var(--pp-sticky-top);
    align-self: start;
  }

  .page-products .chapter__rail-label {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
  }

  .page-products .chapter__number {
    font-size: 1.05rem;
  }
}

@media (min-width: 1024px) {
  .page-products .tt-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .tt-grid .tt-card:nth-child(3n + 2) {
    margin-top: 44px;
  }

  .page-products .tt-grid .tt-card:nth-child(3n) {
    margin-top: 22px;
  }

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

  .page-products .tt-grid--prev .tt-card:nth-child(even) {
    margin-top: 30px;
  }

  .page-products .dl-layout {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .dl-side {
    position: sticky;
    top: var(--pp-sticky-top);
  }

  .page-products .cycle-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }
}

/* ---------- 移动端对照表转卡片 ---------- */
@media (max-width: 767px) {
  .page-products .vs-table,
  .page-products .vs-table tbody,
  .page-products .vs-table tr,
  .page-products .vs-table th,
  .page-products .vs-table td {
    display: block;
    width: auto;
    border-left: 0;
    border-right: 0;
  }

  .page-products .vs-table thead {
    display: none;
  }

  .page-products .vs-table tbody tr {
    border-top: 0;
    border-bottom: 1px solid var(--line);
    padding: 6px 0 10px;
  }

  .page-products .vs-table tbody th {
    font-size: 1rem;
    padding: 10px 14px;
    white-space: normal;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(201, 162, 39, 0.06);
  }

  .page-products .vs-table tbody td {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 14px;
    border-top: 0;
  }

  .page-products .vs-table tbody td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--crown);
    padding-top: 2px;
  }

  .page-products .dl__row {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 6px;
  }

  .page-products .dl__state {
    grid-column: 2;
    justify-self: start;
  }

  .page-products .dl__text {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tt-card,
  .page-products .tt-card__scene,
  .page-products .chapter__number,
  .page-products .dl__row {
    transition: none;
  }

  .js .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
<<<PAGE_CSS_DONE>>>

.page-products {
  --chrome: currentColor;
}