.page-products {
  --pv-gap: clamp(16px, 2.4vw, 28px);
  --pv-shadow: 6px 6px 0 rgba(27, 42, 91, 0.14);
  --pv-shadow-sm: 4px 4px 0 rgba(27, 42, 91, 0.12);
}

.page-products [id] {
  scroll-margin-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-products .pv-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--by-line-strong);
  background:
    linear-gradient(158deg, rgba(27, 42, 91, 0.08), rgba(27, 42, 91, 0) 62%),
    var(--by-paper);
}

.page-products .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--by-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--by-line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.4;
}

.page-products .pv-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -46%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(217, 153, 50, 0.28), rgba(217, 153, 50, 0) 68%);
  pointer-events: none;
}

.page-products .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, 6vw, 68px) clamp(30px, 6vw, 64px);
}

.page-products .pv-hero__title {
  margin: 0 0 0.45em;
  font-size: clamp(2rem, 7vw, 4.3rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--by-indigo);
}

.page-products .pv-hero__lede {
  max-width: 60ch;
  margin: 0 0 1.4em;
  font-size: clamp(0.96rem, 2.4vw, 1.06rem);
  line-height: 1.8;
  color: var(--by-ink);
}

.page-products .pv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-products .pv-hero__marks {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.86rem;
  color: var(--by-indigo);
}

.page-products .pv-hero__marks li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--by-line-strong);
}

.page-products .pv-hero__marks .by-mono {
  min-width: 44px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--by-amber);
}

@media (min-width: 720px) {
  .page-products .pv-hero__marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pv-hero__marks li {
    display: block;
  }

  .page-products .pv-hero__marks .by-mono {
    display: block;
    margin-bottom: 4px;
  }
}

/* ---------- 骨架 ---------- */
.page-products .pv-shell {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-block: clamp(26px, 4.5vw, 56px);
}

.page-products .pv-body {
  min-width: 0;
}

/* ---------- 左侧索引 ---------- */
.page-products .pv-toc {
  border-left: 2px solid var(--by-line-strong);
  padding-left: 14px;
}

.page-products .pv-toc__title {
  margin: 0 0 10px;
  font-family: var(--by-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--by-indigo-soft);
}

.page-products .pv-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pv-toc__list a {
  display: flex;
  gap: 10px;
  padding: 7px 8px;
  font-size: 0.87rem;
  color: var(--by-indigo);
  text-decoration: none;
  border-radius: var(--by-radius);
  transition: background 0.2s var(--by-ease), color 0.2s var(--by-ease);
}

.page-products .pv-toc__list a:hover,
.page-products .pv-toc__list a:focus-visible {
  background: var(--by-mist);
  color: var(--by-midnight);
}

.page-products .pv-toc__list a span {
  font-family: var(--by-font-mono);
  font-size: 0.76rem;
  color: var(--by-amber);
}

.page-products .pv-toc__note {
  margin: 16px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--by-indigo-soft);
}

.page-products .pv-toc__note a {
  color: var(--by-indigo);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 960px) {
  .page-products .pv-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pv-toc {
    position: sticky;
    top: 20px;
  }
}

/* ---------- 章节 ---------- */
.page-products .pv-sec {
  padding-block: clamp(26px, 3.6vw, 46px);
  border-top: 2px solid var(--by-line);
}

.page-products .pv-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pv-sec .by-section__title {
  margin-bottom: 0.5em;
}

/* ---------- 版本总览 ---------- */
.page-products .pv-overview {
  display: grid;
  gap: var(--pv-gap);
}

.page-products .pv-vercards {
  display: grid;
  gap: var(--pv-gap);
}

.page-products .pv-ver {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--by-paper);
  border: 2px solid var(--by-indigo);
  border-radius: var(--by-radius);
  box-shadow: var(--by-shadow-card);
}

.page-products .pv-ver--plus {
  border-color: var(--by-amber);
}

.page-products .pv-ver__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .pv-ver__code {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--by-indigo);
}

.page-products .pv-ver--plus .pv-ver__code {
  color: var(--by-amber);
}

.page-products .pv-ver__title {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  font-weight: 900;
  line-height: 1.28;
  color: var(--by-midnight);
}

.page-products .pv-ver__desc {
  margin: 0 0 16px;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--by-ink);
}

.page-products .pv-ver__list {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-products .pv-ver__list li {
  position: relative;
  padding-left: 18px;
}

.page-products .pv-ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--by-celadon);
}

.page-products .pv-ver--plus .pv-ver__list li::before {
  background: var(--by-amber);
}

.page-products .pv-kv {
  padding-top: 14px;
  border-top: 2px dashed var(--by-line);
}

.page-products .pv-overview__fig {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products .pv-overview {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-products .pv-overview__fig {
    position: sticky;
    top: 20px;
  }
}

/* ---------- 对照矩阵 ---------- */
.page-products .pv-matrix {
  position: relative;
}

.page-products .pv-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .pv-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pv-chip {
  display: inline-block;
  padding: 7px 13px;
  font-size: 0.84rem;
  line-height: 1.2;
  color: var(--by-indigo);
  background: var(--by-paper);
  border: 2px solid var(--by-line-strong);
  border-radius: var(--by-radius);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s var(--by-ease), border-color 0.2s var(--by-ease), color 0.2s var(--by-ease);
}

.page-products .pv-chip:hover {
  border-color: var(--by-indigo);
}

.page-products #pv-mod-all:checked ~ .pv-chips .pv-chip[for="pv-mod-all"],
.page-products #pv-mod-base:checked ~ .pv-chips .pv-chip[for="pv-mod-base"],
.page-products #pv-mod-collab:checked ~ .pv-chips .pv-chip[for="pv-mod-collab"],
.page-products #pv-mod-service:checked ~ .pv-chips .pv-chip[for="pv-mod-service"],
.page-products #pv-mod-data:checked ~ .pv-chips .pv-chip[for="pv-mod-data"] {
  background: var(--by-indigo);
  border-color: var(--by-indigo);
  color: var(--by-paper);
}

.page-products .pv-radio:focus-visible ~ .pv-chips .pv-chip {
  outline: 2px dashed var(--by-amber);
  outline-offset: 3px;
}

.page-products .pv-tablewrap {
  border: 2px solid var(--by-indigo);
  background: var(--by-paper);
  box-shadow: var(--pv-shadow);
}

.page-products .pv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-products .pv-table__cap {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--by-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--by-indigo-soft);
  border-bottom: 2px solid var(--by-line);
}

.page-products .pv-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 11px 12px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--by-paper);
  background: var(--by-indigo);
  border-right: 2px solid var(--by-midnight);
  white-space: nowrap;
}

.page-products .pv-table thead th:last-child {
  border-right: 0;
}

.page-products .pv-table tbody th,
.page-products .pv-table tbody td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border: 2px solid var(--by-line);
}

.page-products .pv-table tbody th {
  font-weight: 700;
  color: var(--by-indigo);
  background: var(--by-paper);
}

.page-products .pv-table tbody tr:nth-child(even) td {
  background: var(--by-mist);
}

.page-products .pv-table tbody tr:hover td,
.page-products .pv-table tbody tr:hover th {
  background: rgba(27, 42, 91, 0.07);
}

.page-products .pv-table .pv-diff {
  background: rgba(217, 153, 50, 0.2) !important;
  font-weight: 700;
  color: var(--by-midnight);
  box-shadow: inset 3px 0 0 var(--by-amber);
}

.page-products #pv-mod-base:checked ~ .pv-tablewrap .pv-table tbody tr:not([data-mod~="base"]),
.page-products #pv-mod-collab:checked ~ .pv-tablewrap .pv-table tbody tr:not([data-mod~="collab"]),
.page-products #pv-mod-service:checked ~ .pv-tablewrap .pv-table tbody tr:not([data-mod~="service"]),
.page-products #pv-mod-data:checked ~ .pv-tablewrap .pv-table tbody tr:not([data-mod~="data"]) {
  display: none !important;
}

.page-products .pv-matrix__foot {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--by-mist);
  border-left: 6px solid var(--by-celadon);
}

.page-products .pv-matrix__foot p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.8;
}

.page-products .pv-matrix__foot .by-btn {
  justify-self: start;
}

@media (max-width: 719px) {
  .page-products .pv-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .page-products .pv-table,
  .page-products .pv-table tbody,
  .page-products .pv-table tr,
  .page-products .pv-table th,
  .page-products .pv-table td {
    display: block;
    width: 100%;
  }

  .page-products .pv-table__cap {
    border-bottom: 0;
  }

  .page-products .pv-table tbody tr {
    margin-bottom: 14px;
    border: 2px solid var(--by-indigo);
    background: var(--by-paper);
    box-shadow: var(--pv-shadow-sm);
  }

  .page-products .pv-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .page-products .pv-table tbody th {
    border: 0;
    border-bottom: 2px solid var(--by-indigo);
    background: var(--by-indigo);
    color: var(--by-paper);
    font-size: 0.95rem;
  }

  .page-products .pv-table tbody td {
    border: 0;
    border-bottom: 1px dashed var(--by-line-strong);
    background: transparent;
  }

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

  .page-products .pv-table tbody tr:nth-child(even) td,
  .page-products .pv-table tbody tr:hover td {
    background: transparent;
  }

  .page-products .pv-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    font-family: var(--by-font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--by-indigo-soft);
  }

  .page-products .pv-table .pv-diff {
    background: rgba(217, 153, 50, 0.22) !important;
    box-shadow: inset 4px 0 0 var(--by-amber);
  }
}

/* ---------- 服务时长 ---------- */
.page-products .pv-timebar {
  display: grid;
  gap: 14px;
  margin-block: 8px 22px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--by-paper);
  border: 2px solid var(--by-indigo);
  border-radius: var(--by-radius);
  box-shadow: var(--pv-shadow);
}

.page-products .pv-timebar__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--by-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--by-indigo-soft);
}

.page-products .pv-track {
  display: grid;
  gap: 6px;
}

.page-products .pv-track__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--by-midnight);
}

.page-products .pv-track__meta .by-mono {
  font-weight: 500;
  color: var(--by-indigo-soft);
}

.page-products .pv-track__rail {
  position: relative;
  height: 38px;
  background: var(--by-mist);
  border: 2px solid var(--by-line-strong);
  border-radius: var(--by-radius);
  overflow: hidden;
}

.page-products .pv-track__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  padding-inline: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--by-paper);
  overflow: hidden;
  white-space: nowrap;
}

.page-products .pv-track__fill--std {
  left: 8.33%;
  width: 75%;
  background: var(--by-indigo);
}

.page-products .pv-track__fill--plus {
  left: 4.17%;
  width: 87.5%;
  background: var(--by-celadon);
}

.page-products .pv-resp {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-products .pv-resp__card {
  padding: 18px;
  background: var(--by-paper);
  border: 2px solid var(--by-line-strong);
  border-left: 6px solid var(--by-celadon);
  border-radius: var(--by-radius);
}

.page-products .pv-resp__card--plus {
  border-left-color: var(--by-amber);
}

.page-products .pv-resp__k {
  margin: 0 0 8px;
  font-family: var(--by-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--by-indigo-soft);
}

.page-products .pv-resp__v {
  margin: 0 0 8px;
  font-family: var(--by-font-mono);
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--by-indigo);
}

.page-products .pv-resp__v span {
  margin-left: 6px;
  font-family: var(--by-font-cn);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--by-ink);
}

.page-products .pv-resp__card--plus .pv-resp__v {
  color: var(--by-amber);
}

.page-products .pv-resp__n {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--by-indigo-soft);
}

.page-products .pv-hours__fig {
  margin: 0 0 24px;
}

.page-products .pv-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--by-line-strong);
  border: 2px solid var(--by-line-strong);
}

.page-products .pv-stats > div {
  padding: 16px 14px;
  background: var(--by-mist);
}

.page-products .pv-stats__n {
  display: block;
  font-family: var(--by-font-mono);
  font-size: clamp(1.3rem, 3.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--by-indigo);
}

.page-products .pv-stats__l {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--by-indigo-soft);
}

@media (min-width: 720px) {
  .page-products .pv-resp {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ---------- 模块场景 ---------- */
.page-products .pv-scenarios {
  display: grid;
  gap: var(--pv-gap);
}

.page-products .pv-acc {
  min-width: 0;
}

.page-products .pv-scenarios__fig {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products .pv-scenarios {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 新版板块 ---------- */
.page-products .pv-edition {
  display: grid;
  gap: var(--pv-gap);
}

.page-products .pv-edition__views {
  display: grid;
  gap: 12px;
}

.page-products .pv-view {
  position: relative;
  padding: 16px 18px 16px 60px;
  background: var(--by-paper);
  border: 2px solid var(--by-line-strong);
  border-radius: var(--by-radius);
  transition: border-color 0.2s var(--by-ease), transform 0.2s var(--by-ease);
}

.page-products .pv-view:hover {
  border-color: var(--by-indigo);
  transform: translateX(3px);
}

.page-products .pv-view__no {
  position: absolute;
  left: 18px;
  top: 16px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--by-amber);
}

.page-products .pv-view__t {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--by-midnight);
}

.page-products .pv-view p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--by-ink);
}

.page-products .pv-edition__fig {
  margin: 0;
}

.page-products .pv-edition__note {
  display: grid;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--by-indigo);
  color: var(--by-paper);
  border-radius: var(--by-radius);
}

.page-products .pv-edition__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-products .pv-edition__note .by-btn {
  justify-self: start;
}

@media (min-width: 760px) {
  .page-products .pv-edition {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .pv-edition__note {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ---------- 迁移路径 ---------- */
.page-products .pv-steps {
  display: grid;
  gap: var(--pv-gap);
  margin-bottom: 24px;
}

.page-products .pv-step {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--by-paper);
  border: 2px solid var(--by-indigo);
  border-radius: var(--by-radius);
  box-shadow: var(--pv-shadow);
}

.page-products .pv-step__n {
  display: block;
  margin-bottom: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--by-amber);
}

.page-products .pv-step__t {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--by-midnight);
}

.page-products .pv-step p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--by-ink);
}

.page-products .pv-migration__fig {
  margin: 0 0 24px;
}

.page-products .pv-advice {
  padding: clamp(18px, 2.8vw, 26px);
  background: var(--by-mist);
  border: 2px solid var(--by-line-strong);
  border-radius: var(--by-radius);
  margin-bottom: var(--pv-gap);
}

.page-products .pv-advice__t {
  margin: 0 0 14px;
  font-size: 1.02rem;
  font-weight: 900;
  color: var(--by-indigo);
}

.page-products .pv-advice__list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .pv-advice__list li {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--by-line-strong);
}

.page-products .pv-advice__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pv-advice__list .by-mono {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--by-celadon);
}

.page-products .pv-advice__note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--by-indigo-soft);
}

.page-products .pv-advice__note a {
  color: var(--by-indigo);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 760px) {
  .page-products .pv-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pv-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 42px;
    right: -18px;
    width: 12px;
    height: 2px;
    background: var(--by-amber);
  }

  .page-products .pv-advice__list li {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

/* ---------- 行动区 ---------- */
.page-products .pv-cta {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3.6vw, 38px);
  background:
    linear-gradient(150deg, rgba(217, 153, 50, 0.18), rgba(217, 153, 50, 0) 58%),
    var(--by-indigo);
  border: 2px solid var(--by-midnight);
  border-radius: var(--by-radius);
  color: var(--by-paper);
}

.page-products .pv-cta__t {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 900;
  line-height: 1.3;
}

.page-products .pv-cta__p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(247, 244, 237, 0.9);
}

.page-products .pv-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-products .pv-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}