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

.page-products .pg-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .pg-flow {
  min-width: 0;
}

/* ===== 章节索引滑轨 ===== */
.page-products .pg-rail {
  order: -1;
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(201, 211, 222, .16);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.page-products .pg-rail__head {
  display: none;
}

.page-products .pg-rail__list {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 0;
  padding: 0 var(--gut);
  list-style: none;
  white-space: nowrap;
}

.page-products .pg-rail__item {
  flex: 0 0 auto;
}

.page-products .pg-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 15px 14px 13px;
  color: var(--on-ink);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-products .pg-rail__link:hover,
.page-products .pg-rail__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
  background: rgba(200, 161, 90, .08);
}

.page-products .pg-rail__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ===== 首屏 ===== */
.page-products .pg-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pg-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: 78%;
  height: 92%;
  background: var(--zhu);
  opacity: .16;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pg-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding-top: clamp(32px, 6vw, 72px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-products .pg-hero__crumb {
  margin-bottom: 22px;
  color: var(--on-ink);
  font-size: 13px;
}

.page-products .pg-hero__crumb a {
  color: var(--on-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 211, 222, .34);
}

.page-products .pg-hero__crumb a:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-products .pg-hero__eyebrow {
  color: var(--gold);
}

.page-products .pg-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 15em;
}

.page-products .pg-hero__lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--on-ink);
}

.page-products .pg-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  background: rgba(201, 211, 222, .18);
  border-top: 1px solid rgba(201, 211, 222, .18);
  border-bottom: 1px solid rgba(201, 211, 222, .18);
}

.page-products .pg-stat {
  padding: 18px 16px;
  background: var(--ink);
}

.page-products .pg-stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-products .pg-stat dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 700;
}

.page-products .pg-stat__num {
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.02em;
}

.page-products .pg-stat__unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--on-ink);
}

.page-products .pg-hero__visual {
  position: relative;
  margin: 0;
}

.page-products .pg-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(201, 211, 222, .22);
  background: var(--ink-mid);
}

.page-products .pg-hero__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-ink);
}

/* ===== 通用章节 ===== */
.page-products .pg-sec {
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-products .pg-sec__head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-products .pg-sec__head h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-products .pg-sec__intro {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 38em;
}

.page-products .pg-sec--dark {
  background: var(--ink);
}

.page-products .pg-sec--dark .pg-sec__head h2 {
  color: var(--paper);
}

.page-products .pg-sec--dark .pg-sec__intro {
  color: var(--on-ink);
}

.page-products .pg-eyebrow--onink {
  color: var(--gold);
}

.page-products .band--ink {
  background: var(--ink);
}

/* ===== 服务分类表格 ===== */
.page-products .pg-matrix {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #FFFFFF;
  box-shadow: var(--shadow-1);
}

.page-products .pg-matrix__table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pg-matrix__table thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
  text-align: left;
  padding: 15px 18px;
  white-space: nowrap;
}

.page-products .pg-matrix__table tbody th,
.page-products .pg-matrix__table tbody td {
  padding: 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
  color: var(--text);
}

.page-products .pg-matrix__table tbody th {
  font-weight: 700;
  font-size: 15px;
  min-width: 180px;
  color: var(--ink);
}

.page-products .pg-matrix__table tbody td {
  color: var(--muted);
  font-size: 15px;
}

.page-products .pg-matrix__table tbody tr:last-child th,
.page-products .pg-matrix__table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pg-matrix__table tbody tr:hover th,
.page-products .pg-matrix__table tbody tr:hover td {
  background: var(--zhu-pale);
  color: var(--text);
}

.page-products .pg-matrix__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--zhu);
  margin-bottom: 6px;
}

.page-products .pg-matrix__note {
  margin-top: 20px;
  max-width: 44em;
}

/* ===== 交付流程 ===== */
.page-products .pg-flow__figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-products .pg-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--cool);
  border: 1px solid var(--line);
}

.page-products .pg-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pg-flow__step {
  background: #FFFFFF;
  padding: 24px 22px 26px;
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}

.page-products .pg-flow__step:hover {
  background: var(--paper);
  transform: translateY(-2px);
}

.page-products .pg-flow__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 3px;
}

.page-products .pg-flow__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pg-flow__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pg-flow__out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-mid);
}

/* ===== 服务档位 ===== */
.page-products .pg-tiers {
  align-items: start;
}

.page-products .pg-tiers__aside {
  margin: 0;
}

.page-products .pg-tiers__aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--cool);
}

.page-products .pg-scale {
  margin-top: 22px;
  padding: 18px 16px;
  background: var(--cool);
  border-left: 3px solid var(--gold);
}

.page-products .pg-scale__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
}

.page-products .pg-scale__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-products .pg-scale__bar {
  height: 8px;
  display: block;
}

.page-products .pg-scale__bar--a {
  width: 25%;
  background: var(--zhu-lt);
}

.page-products .pg-scale__bar--b {
  width: 50%;
  background: var(--zhu);
}

.page-products .pg-scale__bar--c {
  width: 100%;
  background: var(--ink-mid);
}

.page-products .pg-scale__val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pg-tier {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  padding: 24px 22px 26px;
  box-shadow: var(--shadow-1);
}

.page-products .pg-tier--mid {
  border-left-color: var(--zhu);
}

.page-products .pg-tier--top {
  border-left-color: var(--ink-mid);
  background: var(--cool);
}

.page-products .pg-tier .plate {
  margin: 0 0 14px;
}

.page-products .pg-tier .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pg-tier .card__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pg-tier__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-products .pg-tier__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}

.page-products .pg-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

/* ===== 版本迭代 ===== */
.page-products .pg-release {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pg-release__figure {
  margin: 0;
}

.page-products .pg-release__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(201, 211, 222, .24);
  background: var(--ink-mid);
}

.page-products .pg-release__figure .media__cap {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-ink);
}

.page-products .pg-release__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 211, 222, .2);
}

.page-products .pg-release__list li {
  background: var(--ink);
  padding: 18px 0;
}

.page-products .pg-release__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-products .pg-release__v {
  display: block;
  font-size: 16px;
  line-height: 1.75;
  color: var(--on-ink);
}

.page-products .pg-release__note {
  margin-top: 22px;
  background: rgba(201, 211, 222, .08);
  border-left: 2px solid var(--gold);
  color: var(--on-ink);
}

.page-products .pg-release__note a {
  color: var(--paper);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
}

.page-products .pg-release__note a:hover {
  color: var(--gold);
}

/* ===== 使用场景 ===== */
.page-products .pg-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pg-scenes__list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pg-scene {
  background: #FFFFFF;
  padding: 24px 22px 26px;
  transition: background-color .18s var(--ease);
}

.page-products .pg-scene:hover {
  background: var(--paper);
}

.page-products .pg-scene__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--zhu);
}

.page-products .pg-scene__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pg-scene__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pg-scene__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-mid);
}

.page-products .pg-scenes__figure {
  margin: 0;
}

.page-products .pg-scenes__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--cool);
}

.page-products .pg-scenes__figure .media__cap {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ===== 升级路径 ===== */
.page-products .pg-upgrade {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pg-upgrade__row {
  background: #FFFFFF;
  padding: 26px 24px 28px;
}

.page-products .pg-upgrade__from {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--zhu);
}

.page-products .pg-upgrade__arrow {
  display: inline-block;
  padding: 0 4px;
  color: var(--gold);
}

.page-products .pg-upgrade__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pg-upgrade__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 40em;
}

.page-products .pg-upgrade__aside {
  background: var(--zhu-pale);
  padding: 26px 24px 28px;
}

.page-products .pg-upgrade__aside .plate {
  margin: 0 0 14px;
}

.page-products .pg-upgrade__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pg-upgrade__list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}

.page-products .pg-upgrade__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 1px;
  background: var(--zhu);
}

.page-products .pg-upgrade__list strong {
  color: var(--ink);
}

/* ===== 结尾 ===== */
.page-products .pg-cta {
  padding-top: clamp(44px, 7vw, 76px);
  padding-bottom: clamp(44px, 7vw, 76px);
  background: var(--ink);
  color: var(--paper);
}

.page-products .pg-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-products .pg-cta__text h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .pg-cta__lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--on-ink);
}

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

.page-products .pg-cta__ghost {
  color: var(--paper);
  border-color: rgba(201, 211, 222, .46);
}

.page-products .pg-cta__ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-products .pg-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pg-flow__step:last-child {
    grid-column: 1 / -1;
  }

  .page-products .pg-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-products .pg-upgrade {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pg-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pg-release {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
    align-items: start;
  }

  .page-products .pg-scenes {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pg-shell {
    grid-template-columns: minmax(0, 1fr) 236px;
  }

  .page-products .pg-rail {
    order: 0;
    position: sticky;
    top: 0;
    align-self: start;
    max-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    border-bottom: none;
    border-left: 1px solid rgba(201, 211, 222, .14);
  }

  .page-products .pg-rail__head {
    display: block;
    margin: 0;
    padding: 40px 24px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--gold);
    border-bottom: 1px solid rgba(201, 211, 222, .14);
  }

  .page-products .pg-rail__list {
    display: block;
    padding: 14px 0 40px;
    white-space: normal;
  }

  .page-products .pg-rail__link {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 10px;
    padding: 11px 24px;
    border-bottom: 1px solid rgba(201, 211, 222, .08);
    border-left: 2px solid transparent;
  }

  .page-products .pg-rail__link:hover,
  .page-products .pg-rail__link:focus-visible {
    border-bottom-color: rgba(201, 211, 222, .08);
    border-left-color: var(--gold);
    background: rgba(200, 161, 90, .08);
  }

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

  .page-products .pg-flow__step:last-child {
    grid-column: auto;
  }

  .page-products .pg-tiers {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-flow__step,
  .page-products .pg-scene,
  .page-products .pg-rail__link {
    transition: none;
  }

  .page-products .pg-flow__step:hover {
    transform: none;
  }
}