.page-products {
  --pv-hair: 1px solid var(--mist-200);
  background: var(--mist-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-products h1 {
  font-weight: 300;
  font-size: clamp(30px, 7vw, 64px);
}

.page-products h2 {
  font-weight: 600;
  font-size: clamp(22px, 4.2vw, 36px);
}

.page-products h3 {
  font-weight: 600;
  font-size: 17px;
}

.page-products p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products a {
  color: var(--orange-700);
  text-decoration: none;
}

.page-products a:hover,
.page-products a:focus-visible {
  text-decoration: underline;
}

/* ---------- 面包屑 ---------- */
.pv-crumb {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.pv-hero {
  position: relative;
  background: var(--mist-50);
  padding-bottom: 56px;
}

.pv-hero__grid {
  display: grid;
  gap: 32px;
  padding-top: 20px;
}

.pv-hero__lead .eyebrow {
  margin-bottom: 18px;
}

.pv-hero__desc {
  margin-top: 20px !important;
  max-width: 46em;
  color: var(--ink-700);
  font-size: 16px !important;
}

.pv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.pv-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 36px 0 0;
  border-top: var(--pv-hair);
}

.pv-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: var(--pv-hair);
}

.pv-fact dt {
  font-size: 13px;
  color: var(--mist-500);
}

.pv-fact dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink-900);
  letter-spacing: 0.04em;
}

.pv-hero__aside {
  position: relative;
  padding: 26px 22px 22px;
  background: var(--paper);
  border: var(--pv-hair);
  border-top: 3px solid var(--orange);
  box-shadow: var(--shadow-soft);
}

.pv-hero__aside .eyebrow {
  margin-bottom: 14px;
}

.pv-quick {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pv-quick li + li {
  border-top: 1px dashed var(--mist-200);
}

.pv-quick a {
  display: block;
  padding: 13px 0;
  color: var(--ink-900);
  font-size: 15px;
  position: relative;
  padding-right: 22px;
}

.pv-quick a::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 13px;
  color: var(--orange);
  transition: transform var(--dur) var(--ease);
}

.pv-quick a:hover::after,
.pv-quick a:focus-visible::after {
  transform: translateX(4px);
}

/* ---------- 区块头 ---------- */
.pv-sec__head {
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}

.pv-sec__head .eyebrow {
  margin-bottom: 12px;
}

.pv-sec__note {
  font-size: 14px !important;
  color: var(--mist-500);
  max-width: 34em;
}

.pv-sec__head--dark .pv-sec__note {
  color: var(--dark-muted);
}

/* ---------- 步骤轨道 ---------- */
.pv-track {
  background: var(--ink-900);
  color: var(--dark-text);
  padding: 48px 0 52px;
}

.pv-track h2 {
  color: var(--paper);
}

.pv-track__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.pv-track__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num time"
    "flag flag";
  gap: 2px 14px;
  padding: 14px 16px 14px 18px;
  background: rgba(207, 220, 223, 0.07);
  border-left: 2px solid var(--mist-500);
}

.pv-track__num {
  grid-area: num;
  align-self: center;
  font-size: 20px;
  color: var(--dark-text);
  letter-spacing: 0.06em;
}

.pv-track__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-display);
}

.pv-track__time {
  grid-area: time;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dark-muted);
}

.pv-track__flag {
  grid-area: flag;
  margin-top: 6px;
  font-size: 12px;
  color: var(--dark-muted);
}

.pv-track__item.is-start {
  background: var(--orange);
  border-left-color: var(--orange-700);
}

.pv-track__item.is-start .pv-track__num,
.pv-track__item.is-start .pv-track__name {
  color: #FFFFFF;
}

.pv-track__item.is-start .pv-track__time,
.pv-track__item.is-start .pv-track__flag {
  color: rgba(255, 255, 255, 0.86);
}

/* ---------- 编号怎么用 ---------- */
.pv-overview {
  background: var(--paper);
  padding: 56px 0;
}

.pv-overview__grid {
  display: grid;
  gap: 32px;
}

.pv-overview__text .eyebrow {
  margin-bottom: 12px;
}

.pv-overview__text h2 {
  margin-bottom: 18px;
}

.pv-overview__text p + p {
  margin-top: 14px;
}

.pv-overview__text p {
  color: var(--ink-700);
  max-width: 40em;
}

.pv-overview__media,
.pv-materials__figure,
.pv-upgrade__media,
.pv-vtable__media,
.pv-records__media {
  margin: 0;
}

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

.page-products .media-frame__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist-500);
  letter-spacing: 0.02em;
}

/* ---------- 逐步对照 ---------- */
.pv-steps {
  background: var(--mist-50);
  padding: 56px 0;
}

.pv-steps__grid {
  display: grid;
  gap: 24px;
}

.pv-steps__aside {
  align-self: start;
  padding: 20px 0 0;
  border-top: 2px solid var(--ink-900);
}

.pv-steps__asideTitle {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist-500);
  margin-bottom: 12px !important;
}

.pv-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pv-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: var(--pv-hair);
  background: var(--paper);
  color: var(--ink-900);
  font-size: 13px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.pv-index a:hover,
.pv-index a:focus-visible {
  border-color: var(--orange);
  color: var(--orange-700);
  text-decoration: none;
}

.pv-index .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.pv-steps__tip {
  margin-top: 18px !important;
  font-size: 13px !important;
  line-height: 1.7;
  color: var(--mist-500);
}

.pv-step {
  border-bottom: var(--pv-hair);
  background: var(--paper);
  border-left: 1px solid var(--mist-200);
  border-right: 1px solid var(--mist-200);
}

.pv-step:first-of-type {
  border-top: var(--pv-hair);
}

.pv-step__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 16px 16px 14px;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.pv-step__summary::-webkit-details-marker {
  display: none;
}

.pv-step__summary::after {
  content: "+";
  margin-left: auto;
  font-size: 20px;
  line-height: 1;
  color: var(--mist-500);
  transition: color var(--dur) var(--ease);
}

.pv-step[open] .pv-step__summary::after {
  content: "−";
  color: var(--orange);
}

.pv-step[open] .pv-step__summary {
  border-bottom: 1px dashed var(--mist-200);
}

.pv-step__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.pv-step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink-900);
}

.pv-step__time {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-500);
}

.pv-step__body {
  padding: 16px 16px 22px 30px;
  border-left: 1px solid var(--mist-200);
  margin-left: 14px;
}

.pv-step__intro {
  color: var(--ink-700);
  margin-bottom: 14px !important;
}

.pv-step__mats {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.pv-step__mats li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-900);
}

.pv-step__mats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.pv-step__meta p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-700);
  padding: 6px 0;
  border-top: 1px solid var(--mist-100);
}

.pv-step__label {
  display: inline-block;
  min-width: 66px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--bamboo);
}

.pv-step__meta p:first-child .pv-step__label {
  color: var(--orange-700);
}

/* ---------- 材料速查 ---------- */
.pv-materials {
  background: var(--paper);
  padding: 56px 0;
}

.pv-subjects {
  display: grid;
  gap: 1px;
  background: var(--mist-200);
  border: var(--pv-hair);
  margin-bottom: 28px;
}

.pv-subject {
  background: var(--mist-50);
  padding: 16px 18px;
}

.pv-subject__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--bamboo);
  border-bottom: 1px solid var(--bamboo);
  padding-bottom: 3px;
  margin-bottom: 8px;
}

.pv-subject p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.pv-tableWrap {
  overflow-x: auto;
  border: var(--pv-hair);
  background: var(--paper);
}

.pv-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.pv-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-500);
  border-bottom: var(--pv-hair);
}

.pv-table th {
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
  background: var(--mist-100);
  padding: 11px 14px;
  white-space: nowrap;
}

.pv-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--mist-100);
  color: var(--ink-900);
  vertical-align: top;
  line-height: 1.6;
}

.pv-table tbody tr:nth-child(even) {
  background: var(--bamboo-50);
}

.pv-table .mono {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
}

.pv-materials__note {
  margin-top: 16px !important;
  font-size: 13px !important;
  color: var(--mist-500);
}

.pv-materials__figure {
  margin-top: 32px;
}

/* ---------- 换版本 ---------- */
.pv-upgrade {
  background: var(--mist-100);
  border-top: var(--pv-hair);
  border-bottom: var(--pv-hair);
  padding: 56px 0;
}

.pv-upgrade__grid {
  display: grid;
  gap: 32px;
}

.pv-upgrade__text .eyebrow {
  margin-bottom: 12px;
}

.pv-upgrade__text h2 {
  margin-bottom: 16px;
}

.pv-upgrade__text > p {
  color: var(--ink-700);
  max-width: 40em;
}

.pv-upgrade__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mist-200);
}

.pv-upgrade__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  background: var(--paper);
  padding: 16px 18px;
}

.pv-upgrade__no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
  padding-top: 3px;
}

.pv-upgrade__steps h3 {
  margin-bottom: 6px;
}

.pv-upgrade__steps p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.pv-upgrade__extra {
  margin-top: 18px !important;
  font-size: 13px !important;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  color: var(--ink-700);
}

/* ---------- 版本对照表 ---------- */
.pv-vtable {
  background: var(--paper);
  padding: 56px 0;
}

.pv-vtable__grid {
  display: grid;
  gap: 28px;
}

.pv-vtable__lead {
  font-size: 14px !important;
  color: var(--mist-500);
  margin-bottom: 16px !important;
  max-width: 36em;
}

.pv-table--versions {
  min-width: 680px;
}

.pv-table--versions tbody tr:nth-child(even) {
  background: var(--bamboo-50);
}

.pv-table--versions td:nth-child(4) {
  white-space: nowrap;
  color: var(--ink-700);
}

.pv-table--versions tbody tr:nth-child(4) td:nth-child(1),
.pv-table--versions tbody tr:nth-child(5) td:nth-child(1) {
  border-left: 2px solid var(--bamboo);
}

/* ---------- 版本记录 ---------- */
.pv-records {
  background: var(--mist-50);
  padding: 56px 0;
}

.pv-records__grid {
  display: grid;
  gap: 32px;
}

.pv-records__list .eyebrow {
  margin-bottom: 12px;
}

.pv-records__lead {
  margin: 14px 0 24px !important;
  font-size: 14px !important;
  color: var(--mist-500);
  max-width: 34em;
}

.pv-recs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.pv-rec {
  padding: 18px 0;
  border-bottom: var(--pv-hair);
}

.pv-rec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.pv-rec__no {
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.pv-rec__time {
  font-size: 12px;
  color: var(--mist-500);
}

.pv-rec p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

.pv-rec__scope {
  margin-top: 8px !important;
  font-size: 11.5px !important;
  letter-spacing: 0.08em;
  color: var(--mist-500) !important;
}

.pv-records__more {
  margin-top: 20px !important;
  font-size: 13.5px !important;
  color: var(--mist-500);
  line-height: 1.75;
}

/* ---------- 版本问题怎么提 ---------- */
.pv-submit {
  background: var(--paper);
  border-top: var(--pv-hair);
  padding: 56px 0 64px;
}

.pv-submit__grid {
  display: grid;
  gap: 32px;
}

.pv-submit__main .eyebrow {
  margin-bottom: 12px;
}

.pv-submit__main h2 {
  margin-bottom: 16px;
}

.pv-submit__main > p {
  color: var(--ink-700);
  max-width: 42em;
}

.pv-submit__main > p + p {
  margin-top: 14px;
}

.pv-submit__list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mist-200);
  border: var(--pv-hair);
}

.pv-submit__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  background: var(--mist-50);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.pv-submit__list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.pv-submit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.pv-submit__aside {
  align-self: start;
  border-top: 2px solid var(--orange);
  padding-top: 18px;
}

.pv-submit__asideTitle {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist-500);
  margin-bottom: 12px !important;
}

.pv-submit__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pv-submit__links li {
  padding: 13px 0;
  border-bottom: var(--pv-hair);
}

.pv-submit__links a {
  display: block;
  font-size: 15px;
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 600;
}

.pv-submit__links span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist-500);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .pv-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 24px;
  }

  .pv-fact {
    display: block;
  }

  .pv-fact dt {
    margin-bottom: 6px;
  }

  .pv-fact dd {
    font-size: 17px;
  }

  .pv-subjects {
    grid-template-columns: repeat(3, 1fr);
  }

  .pv-track__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .pv-overview__grid,
  .pv-upgrade__grid,
  .pv-records__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .pv-sec__head {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 32px;
  }

  .pv-sec__note {
    text-align: right;
  }
}

@media (min-width: 1000px) {
  .pv-hero {
    padding-bottom: 72px;
  }

  .pv-hero__grid {
    grid-template-columns: 7fr 4fr;
    gap: 56px;
    align-items: start;
    padding-top: 36px;
  }

  .pv-hero__aside {
    margin-top: 8px;
  }

  .pv-track {
    padding: 56px 0 60px;
  }

  .pv-track__list {
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
  }

  .pv-track__item {
    display: block;
    padding: 18px 26px 18px 20px;
    border-left: 0;
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%, 16px 50%);
  }

  .pv-track__item:first-child {
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%);
  }

  .pv-track__num,
  .pv-track__name,
  .pv-track__time,
  .pv-track__flag {
    display: block;
  }

  .pv-track__num {
    font-size: 22px;
    margin-bottom: 10px;
  }

  .pv-track__name {
    margin-bottom: 4px;
  }

  .pv-track__flag {
    margin-top: 8px;
    font-size: 11px;
    line-height: 1.5;
  }

  .pv-overview,
  .pv-steps,
  .pv-materials,
  .pv-upgrade,
  .pv-vtable,
  .pv-records,
  .pv-submit {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .pv-steps__grid {
    grid-template-columns: 4fr 8fr;
    gap: 40px;
    align-items: start;
  }

  .pv-steps__aside {
    position: sticky;
    top: 96px;
  }

  .pv-index {
    display: grid;
    gap: 0;
    border-left: 1px solid var(--mist-200);
  }

  .pv-index a {
    border: 0;
    border-bottom: 1px solid var(--mist-100);
    background: transparent;
    padding: 11px 0 11px 14px;
    width: 100%;
  }

  .pv-index a:hover,
  .pv-index a:focus-visible {
    background: var(--paper);
    border-bottom-color: var(--mist-200);
  }

  .pv-step__summary {
    padding: 20px 22px 20px 20px;
  }

  .pv-step__body {
    padding: 20px 24px 26px 34px;
  }

  .pv-vtable__grid {
    grid-template-columns: 4fr 8fr;
    gap: 40px;
    align-items: start;
  }

  .pv-submit__grid {
    grid-template-columns: 8fr 4fr;
    gap: 48px;
    align-items: start;
  }

  .pv-upgrade__media,
  .pv-records__media {
    position: sticky;
    top: 96px;
  }

  .pv-sec__head {
    margin-bottom: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
  }
}