.page-products {
  --pp-rail: 226px;
  --pp-gap: clamp(1.6rem, 3.2vw, 3.4rem);
  background: var(--paper);
  color: var(--body-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.75;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

/* 面包屑 */
.page-products .pp-crumb {
  padding: 1rem 0 0.6rem;
}

/* 首屏 */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(114deg, var(--ink-blue) 0 64%, var(--ink-blue-deep) 64% 100%);
  color: var(--cream);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: 4%;
  width: 34%;
  height: 170%;
  background: var(--signal);
  opacity: 0.1;
  transform: skewX(-13deg);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding: clamp(2rem, 5.5vw, 4rem) 0 clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .pp-hero .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  margin: 0;
}

.page-products .pp-hero h1 {
  margin: 0.7rem 0 0;
  font-size: var(--step-4);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--cream);
  max-width: 19ch;
}

.page-products .pp-hero__lead {
  margin: 1.2rem 0 0;
  max-width: 44ch;
  font-size: var(--step-1);
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-products .pp-hero__actions .btn--ghost {
  color: var(--cream);
  border: 1px solid var(--rule);
  background: transparent;
}

.page-products .pp-hero__actions .btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.page-products .pp-hero__aside {
  border-top: 1px solid var(--rule);
  padding-top: 1.2rem;
}

.page-products .pp-stamp {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.6rem 1rem 0.75rem;
  background: var(--signal);
  color: var(--ink-blue-deep);
}

.page-products .pp-stamp__num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-products .pp-stamp__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-products .pp-facts {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-products .pp-fact {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  border-top: 1px solid var(--rule);
  padding-top: 0.55rem;
}

.page-products .pp-fact__num {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-products .pp-fact__txt {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--mist);
}

/* 主布局 */
.page-products .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding-top: clamp(1.8rem, 4vw, 3rem);
}

.page-products .pp-rail {
  border-top: 3px solid var(--signal);
  padding-top: 0.85rem;
}

.page-products .pp-rail .section-nav__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-ink);
}

.page-products .pp-rail .section-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.1rem;
}

.page-products .pp-rail .section-nav__link {
  display: block;
  padding: 0.4rem 0.55rem 0.4rem 0.6rem;
  border-left: 2px solid var(--shadow);
  color: var(--muted-ink);
  font-size: 0.92rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-products .pp-rail .section-nav__link:hover {
  color: var(--ink);
  border-left-color: var(--amber);
  background: rgba(242, 166, 90, 0.14);
}

.page-products .pp-rail .section-nav__link[aria-current="true"] {
  color: var(--ink-blue);
  font-weight: 700;
  border-left-color: var(--signal);
  background: rgba(232, 106, 51, 0.09);
}

/* 章节 */
.page-products .pp-section {
  padding: clamp(1.7rem, 3.4vw, 2.6rem) 0;
  border-top: 1px solid var(--shadow);
}

.page-products .pp-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-section .eyebrow {
  margin: 0;
  color: var(--signal-deep);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
}

.page-products .pp-section h2 {
  margin: 0.45rem 0 0.7rem;
  font-size: var(--step-3);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink-blue);
}

.page-products .pp-text {
  max-width: 36em;
  margin: 0;
  color: var(--muted-ink);
  font-size: var(--step-0);
}

/* 产品线清单 */
.page-products .pp-lines {
  margin-top: 1.7rem;
  border-top: 2px solid var(--ink-blue);
}

.page-products .pp-line {
  position: relative;
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr);
  gap: 0.5rem 1rem;
  padding: 1.25rem 0 1.35rem;
  border-bottom: 1px solid var(--shadow);
}

.page-products .pp-line::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: rgba(232, 106, 51, 0.09);
  transition: width 0.28s ease;
  pointer-events: none;
}

.page-products .pp-line:hover::before {
  width: 100%;
}

.page-products .pp-line__num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--slate);
}

.page-products .pp-line:hover .pp-line__num {
  color: var(--signal);
}

.page-products .pp-line__title {
  margin: 0 0 0.4rem;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  color: var(--ink-blue);
}

.page-products .pp-line__who {
  margin: 0 0 0.75rem;
  font-size: 0.86rem;
  color: var(--muted-ink);
}

.page-products .pp-line__who .tag {
  margin-right: 0.5rem;
}

.page-products .pp-line__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-products .pp-line__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--body-ink);
}

.page-products .pp-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 1px;
  background: var(--signal);
}

/* 表格 */
.page-products .pp-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--cream);
}

.page-products .pp-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .pp-table caption {
  padding: 0.75rem 0.95rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted-ink);
  border-bottom: 1px solid var(--shadow);
}

.page-products .pp-table th {
  padding: 0.65rem 0.9rem;
  text-align: left;
  background: var(--ink-blue);
  color: var(--cream);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--shadow);
  vertical-align: top;
  color: var(--body-ink);
  line-height: 1.6;
}

.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table tbody td:first-child {
  border-left: 3px solid var(--slate);
  font-weight: 600;
  color: var(--ink-blue);
}

.page-products .pp-table tbody tr:hover td {
  background: rgba(242, 166, 90, 0.16);
}

.page-products .pp-table tbody tr:hover td:first-child {
  border-left-color: var(--signal);
}

.page-products .pp-table .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--signal-deep);
}

.page-products .pp-table a {
  color: var(--signal-deep);
  text-decoration-color: var(--amber);
}

.page-products .pp-table a:hover {
  color: var(--ink-blue);
}

/* 版本更新记录 */
.page-products .pp-records {
  margin-top: 1.6rem;
}

.page-products .pp-record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding: 1.05rem 0 1.15rem;
  border-top: 1px solid var(--shadow);
}

.page-products .pp-record--now {
  border-top: 2px solid var(--signal);
}

.page-products .pp-record__ver {
  font-family: var(--font-mono);
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-blue);
}

.page-products .pp-record--now .pp-record__ver {
  color: var(--signal-deep);
}

.page-products .pp-record__desc {
  margin: 0;
  color: var(--body-ink);
  font-size: 0.95rem;
}

.page-products .pp-record__lines {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* 访问入口 */
.page-products .pp-entries {
  margin-top: 1.6rem;
  border-top: 2px solid var(--ink-blue);
}

.page-products .pp-entry {
  position: relative;
  display: block;
  padding: 1.05rem 2.2rem 1.15rem 0;
  border-bottom: 1px solid var(--shadow);
  color: inherit;
  text-decoration: none;
}

.page-products .pp-entry::after {
  content: "→";
  position: absolute;
  right: 0.2rem;
  top: 1.05rem;
  color: var(--signal);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-products .pp-entry:hover::after,
.page-products .pp-entry:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.page-products .pp-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
}

.page-products .pp-entry__label {
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-blue);
  transition: color 0.18s ease;
}

.page-products .pp-entry__path {
  padding: 0.1rem 0.42rem;
  background: var(--paper-deep);
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.page-products .pp-entry__desc {
  display: block;
  margin-top: 0.35rem;
  max-width: 44em;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted-ink);
}

.page-products .pp-entry__go {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--signal-deep);
}

.page-products .pp-entry:hover .pp-entry__label {
  color: var(--signal-deep);
}

/* 筛选 */
.page-products .filter {
  margin-top: 1.5rem;
}

.page-products .filter__input {
  width: 100%;
  max-width: 26rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.page-products .filter__input::placeholder {
  color: var(--slate);
}

.page-products .filter__empty {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  color: var(--signal-deep);
}

.page-products .pp-map {
  margin-top: 1.2rem;
}

/* 场景 */
.page-products .pp-scenarios {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--shadow);
  border: 1px solid var(--shadow);
}

.page-products .pp-scenario {
  background: var(--cream);
  padding: 1.15rem 1.1rem 1.3rem;
}

.page-products .pp-scenario__q {
  margin: 0 0 0.5rem;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-blue);
}

.page-products .pp-scenario__route {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--signal-deep);
}

.page-products .pp-scenario__a {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted-ink);
}

/* 下一步 */
.page-products .pp-next {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-products .pp-next__card {
  display: block;
  padding: 1.5rem 1.3rem 1.7rem;
  background: var(--ink-blue);
  color: var(--cream);
  text-decoration: none;
  transition: background-color 0.22s ease;
}

.page-products .pp-next__card:hover {
  background: var(--ink-blue-deep);
}

.page-products .pp-next__card h3 {
  margin: 0 0 0.5rem;
  font-size: var(--step-2);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-products .pp-next__card p {
  margin: 0 0 1rem;
  max-width: 32em;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .pp-next__card span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

/* 图片与页尾装饰 */
.page-products .media-frame {
  margin: 1.7rem 0 0;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-frame__caption {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .pp-art {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
}

.page-products .pp-art img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
}

/* 响应式 */
@media (max-width: 939px) {
  .page-products .pp-rail .section-nav__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 0.6rem;
  }

  .page-products .pp-rail .section-nav__link {
    font-size: 0.84rem;
  }
}

@media (min-width: 720px) {
  .page-products .pp-line__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 1.4rem;
  }

  .page-products .pp-scenarios {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-next {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-record {
    grid-template-columns: 6.5rem minmax(0, 1fr) 10.5rem;
    align-items: baseline;
    column-gap: 1.5rem;
  }

  .page-products .pp-record__lines {
    text-align: right;
  }
}

@media (min-width: 860px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    align-items: end;
  }

  .page-products .pp-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--rule);
    padding-top: 0;
    padding-left: 1.4rem;
  }

  .page-products .pp-line {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0.4rem 1.4rem;
    padding: 1.4rem 0 1.5rem;
  }
}

@media (min-width: 940px) {
  .page-products .pp-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-rail {
    position: sticky;
    top: 1rem;
  }

  .page-products .pp-rail .section-nav__list {
    grid-template-columns: 1fr;
  }

  .page-products .pp-rail .section-nav__link {
    font-size: 0.9rem;
  }
}
<<<END>>>