.page-products {
  --pl-line: rgba(10, 31, 68, 0.14);
  --pl-line-strong: rgba(10, 31, 68, 0.3);
  --pl-gap: clamp(1.1rem, 2.6vw, 2rem);
  --pl-section-y: clamp(2.8rem, 6.5vw, 5.5rem);
  --pl-paper-line: rgba(251, 246, 238, 0.18);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

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

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-products .section {
  padding-block: var(--pl-section-y);
}

.page-products .section__head {
  max-width: 46rem;
  margin-bottom: var(--pl-gap);
}

.page-products .section__title {
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.22;
  margin: 0.4rem 0 0.7rem;
}

.page-products .section__note {
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--slate);
  margin: 0;
}

.page-products .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(200, 16, 46, 0.08);
  border-left: 3px solid var(--red);
  padding: 0.22rem 0.6rem;
  margin: 0;
}

.page-products .eyebrow--light {
  color: var(--amber);
  background: rgba(217, 164, 65, 0.12);
  border-left-color: var(--amber);
}

.page-products .figure {
  margin: 0;
  border: 1px solid var(--pl-line);
  background: var(--paper);
  overflow: hidden;
}

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

/* ---------- 首屏 ---------- */

.page-products .hero {
  padding: calc(var(--pad) * 0.9) var(--pad) 0;
  background: linear-gradient(180deg, var(--paper) 0%, var(--sand) 100%);
}

.page-products .hero__frame {
  position: relative;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: clamp(1.2rem, 3.4vw, 2.4rem);
  background: var(--paper);
  border: 1px solid var(--pl-line-strong);
  box-shadow: var(--shadow-1);
}

.page-products .hero__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--red) 0 2px, transparent 2px 16px);
  opacity: 0.6;
  pointer-events: none;
}

.page-products .hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--slate);
  margin: 0 0 clamp(1rem, 3vw, 1.8rem);
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--pl-line);
}

.page-products .hero__grid {
  display: grid;
  gap: clamp(1.4rem, 3.5vw, 2.6rem);
  align-items: start;
}

.page-products .hero h1 {
  font-size: clamp(1.9rem, 6vw, 3.9rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0.6rem 0 1rem;
  color: var(--ink);
}

.page-products .hero__lede {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.82;
  color: var(--slate);
  margin: 0 0 1.4rem;
  max-width: 40rem;
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.page-products .hero__stats {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 3px solid var(--red);
}

.page-products .hero__stats-title {
  margin: 0 0 0.8rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .hero__stats ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-products .hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.62rem 0;
  border-top: 1px solid rgba(251, 246, 238, 0.16);
  font-size: 0.86rem;
  line-height: 1.55;
}

.page-products .hero__num {
  flex: 0 0 auto;
  min-width: 3.2rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 章节索引 ---------- */

.page-products .toc {
  padding: 0 var(--pad);
  margin-top: calc(var(--pl-gap) * 0.9);
}

.page-products .toc__inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.6rem 0.8rem;
  background: var(--glass);
  border: 1px solid var(--pl-line);
  backdrop-filter: blur(6px);
  overflow-x: auto;
}

.page-products .toc__title {
  flex: 0 0 auto;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--slate);
  margin: 0;
}

.page-products .toc__list {
  display: flex;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
  padding: 0.32rem 0.55rem;
  border-bottom: 2px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .toc__link .mono {
  font-size: 0.7rem;
  color: var(--red);
}

.page-products .toc__link:hover,
.page-products .toc__link[aria-current="true"] {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 产品线 ---------- */

.page-products .lines {
  background: var(--sand);
}

.page-products .lines__figure {
  margin-bottom: var(--pl-gap);
}

.page-products .lines__caption {
  font-size: 0.7rem;
  color: var(--slate);
  padding: 0.5rem 0.8rem;
  border-top: 1px solid var(--pl-line);
  background: var(--paper);
}

.page-products .lines__split {
  display: grid;
  gap: var(--pl-gap);
}

.page-products .rail {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--pl-line-strong);
}

.page-products .rail__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.9rem 0 0.9rem 0.9rem;
  border-bottom: 1px dashed var(--pl-line);
}

.page-products .rail__item:first-child {
  border-top: 1px dashed var(--pl-line);
}

.page-products .rail__num {
  font-size: 0.74rem;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 0.05rem 0.36rem;
  height: fit-content;
  background: var(--paper);
}

.page-products .rail__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.page-products .rail__text {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--slate);
  margin: 0 0 0.45rem;
}

.page-products .rail__scene {
  font-size: 0.7rem;
  color: var(--teal-ink);
  margin: 0;
}

.page-products .lines__cards {
  display: grid;
  gap: var(--pl-gap);
  align-content: start;
}

.page-products .scene-card {
  background: var(--paper);
  border: 1px solid var(--pl-line);
  border-top: 3px solid var(--red);
  padding: clamp(0.9rem, 2.2vw, 1.3rem);
  box-shadow: var(--shadow-1);
}

.page-products .scene-card .card__meta {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--slate);
  margin: 0 0 0.5rem;
}

.page-products .scene-card .card__title {
  font-size: 1.02rem;
  line-height: 1.4;
  font-weight: 700;
  margin: 0 0 0.6rem;
}

.page-products .scene-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
  margin: 0 0 0.7rem;
}

.page-products .scene-card__lines {
  font-size: 0.7rem;
  color: var(--red-deep);
  margin: 0;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--pl-line);
}

/* ---------- 服务清单 ---------- */

.page-products .services {
  background: var(--paper);
  border-block: 1px solid var(--pl-line);
}

.page-products .services__grid {
  display: grid;
  gap: var(--pl-gap);
  align-items: start;
}

.page-products .services__texture {
  max-height: 15rem;
}

.page-products .services__texture img {
  height: 100%;
  object-fit: cover;
}

.page-products .services__groups {
  display: grid;
  gap: 0.9rem;
}

.page-products .svc-group {
  background: var(--paper);
  border: 1px solid var(--pl-line);
  border-left: 3px solid var(--ink);
  padding: 0.2rem 0.95rem 0.3rem;
}

.page-products .svc-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 0;
  font-size: 1.02rem;
  font-weight: 700;
}

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

.page-products .svc-group__range {
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 0.1em;
}

.page-products .svc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.6rem;
}

.page-products .svc-list li {
  padding: 0.75rem 0;
  border-top: 1px dashed var(--pl-line);
}

.page-products .svc-list h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.page-products .svc-list p {
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--slate);
  margin: 0;
}

/* ---------- 版本对照 ---------- */

.page-products .compare {
  background: var(--ink);
  color: var(--paper);
}

.page-products .compare .section__title {
  color: var(--paper);
}

.page-products .compare__head {
  display: grid;
  gap: var(--pl-gap);
  align-items: start;
  margin-bottom: var(--pl-gap);
}

.page-products .compare__note {
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(251, 246, 238, 0.78);
  margin: 0 0 1rem;
}

.page-products .compare__link {
  display: inline-block;
  color: var(--amber);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 0.1rem;
}

.page-products .compare__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-products .compare__figure {
  border-color: rgba(251, 246, 238, 0.2);
  background: var(--ink-soft);
}

.page-products .compare__wrap {
  overflow-x: auto;
  border: 1px solid var(--pl-paper-line);
  background: rgba(22, 41, 77, 0.6);
  -webkit-overflow-scrolling: touch;
}

.page-products .compare__table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .compare__table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-soft);
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  padding: 0.85rem 0.8rem;
  border-bottom: 1px solid var(--pl-paper-line);
  white-space: nowrap;
}

.page-products .compare__badge {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  padding: 0.1rem 0.36rem;
  vertical-align: middle;
}

.page-products .compare__badge--red {
  background: var(--red);
  color: var(--paper);
}

.page-products .compare__badge--teal {
  background: var(--teal);
  color: var(--ink);
}

.page-products .compare__table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--amber);
  white-space: nowrap;
  padding: 0.85rem 0.8rem;
  border-bottom: 1px solid var(--pl-paper-line);
  vertical-align: top;
}

.page-products .compare__table tbody td {
  padding: 0.85rem 0.8rem;
  border-bottom: 1px solid var(--pl-paper-line);
  color: rgba(251, 246, 238, 0.86);
  line-height: 1.65;
  vertical-align: top;
}

.page-products .compare__table tbody tr:hover th,
.page-products .compare__table tbody tr:hover td {
  background: rgba(200, 16, 46, 0.2);
}

/* ---------- 迁移路径 ---------- */

.page-products .migrate {
  background: var(--sand);
}

.page-products .migrate__steps {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: var(--pl-gap);
}

.page-products .migrate-step {
  background: var(--paper);
  border-top: 2px solid var(--red);
  padding: 1rem 1rem 1.15rem;
}

.page-products .migrate-step__num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--red);
  margin: 0 0 0.5rem;
}

.page-products .migrate-step h3 {
  font-size: 1.02rem;
  line-height: 1.42;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.page-products .migrate-step p {
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--slate);
  margin: 0;
}

.page-products .migrate__more {
  margin: 0;
  font-size: 0.9rem;
}

.page-products .migrate__more a,
.page-products .start__more a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--red);
  padding-bottom: 0.12rem;
}

.page-products .migrate__more a:hover,
.page-products .start__more a:hover {
  color: var(--red);
}

/* ---------- 六步上手 ---------- */

.page-products .start {
  background: var(--paper);
  border-block: 1px solid var(--pl-line);
}

.page-products .start__figure {
  margin-bottom: var(--pl-gap);
}

.page-products .start__grid {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .step-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.95rem;
  background: var(--paper);
  border: 1px solid var(--pl-line);
  border-left: 3px solid var(--teal);
}

.page-products .step-card__check {
  position: relative;
  display: block;
  cursor: pointer;
  padding-top: 0.15rem;
}

.page-products .step-card__check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-products .step-card__box {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
  border: 1.5px solid var(--teal);
  background: transparent;
  position: relative;
  transition: background 160ms var(--ease);
}

.page-products .step-card__check input:checked + .step-card__box {
  background: var(--teal);
}

.page-products .step-card__check input:checked + .step-card__box::after {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.08rem;
  width: 0.32rem;
  height: 0.62rem;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-products .step-card__check input:focus-visible + .step-card__box {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-products .step-card__num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--teal-ink);
  margin: 0 0 0.3rem;
}

.page-products .step-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
}

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

.page-products .start__more {
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- 本地入口 ---------- */

.page-products .local {
  background: var(--sand);
  border-top: 4px solid var(--red);
}

.page-products .local__inner {
  display: grid;
  gap: var(--pl-gap);
  align-items: start;
}

.page-products .local__body p {
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 0.85rem;
}

.page-products .local__body .section__title {
  margin-bottom: 0.8rem;
}

.page-products .local__body .btn {
  margin-top: 0.3rem;
}

.page-products .local__figure {
  background: var(--paper);
}

.page-products .local__ledger {
  background: var(--paper);
  border: 1px solid var(--pl-line);
  border-top: 3px solid var(--ink);
  padding: 0.9rem 1rem 1rem;
}

.page-products .ledger__title {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--slate);
  margin: 0 0 0.6rem;
}

.page-products .ledger-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.7rem;
  padding: 0.6rem 0;
  border-top: 1px dashed var(--pl-line);
}

.page-products .ledger-row__label {
  flex: 0 0 3rem;
  font-size: 0.72rem;
  color: var(--red);
  letter-spacing: 0.1em;
}

.page-products .ledger-row__value {
  flex: 1 1 10rem;
  min-width: 0;
  font-size: 0.9rem;
  color: var(--ink);
  word-break: break-word;
}

.page-products .local__note {
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--slate);
  margin: 0.7rem 0 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--pl-line);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

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

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

  .page-products .services__texture {
    max-height: 20rem;
  }

  .page-products .local__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1000px) {
  .page-products .lines__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.6rem, 3vw, 2.8rem);
  }

  .page-products .scene-card--shift {
    margin-inline-start: clamp(1rem, 3vw, 2.4rem);
  }

  .page-products .lines__cards .scene-card:nth-child(3) {
    margin-inline-end: clamp(0.6rem, 2vw, 1.6rem);
  }

  .page-products .services__grid {
    grid-template-columns: minmax(0, 17rem) minmax(0, 1fr);
    gap: clamp(1.6rem, 3vw, 2.8rem);
  }

  .page-products .services__texture {
    position: sticky;
    top: 1rem;
    max-height: none;
  }

  .page-products .services__texture img {
    height: 26rem;
  }

  .page-products .services__groups {
    gap: 1rem;
  }

  .page-products .svc-group:nth-child(even) {
    margin-inline-start: clamp(0.8rem, 2vw, 1.8rem);
  }

  .page-products .compare__head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    gap: clamp(1.6rem, 3vw, 3rem);
  }

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

@media (max-width: 480px) {
  .page-products .hero__meta {
    font-size: 0.64rem;
  }

  .page-products .hero__stats li {
    font-size: 0.82rem;
  }

  .page-products .hero__num {
    min-width: 2.6rem;
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .toc__link,
  .page-products .step-card__box {
    transition: none;
  }
}
<<<END>>>