.page-products {
  --sv-cut: 18px;
  --sv-hair: rgba(14, 74, 95, .16);
  --sv-hair-soft: rgba(14, 74, 95, .09);
  position: relative;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--sv-hair-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sv-hair-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
  color: var(--graphite);
}

.page-products .wrap {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-products .sv-hero {
  padding-top: calc(var(--hdr-h) + 34px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-products .sv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 22px;
}

.page-products .sv-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--ink-900);
  margin: 12px 0 18px;
  max-width: 15em;
}

.page-products .sv-hero__lead {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  max-width: 34em;
  color: var(--graphite);
}

.page-products .sv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .sv-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--sv-hair);
}

.page-products .sv-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .sv-meta__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--blue-700);
}

.page-products .sv-meta__cap {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--graphite);
  opacity: .72;
}

/* 大屏预览带 */
.page-products .sv-screen {
  position: relative;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 10px;
  background: var(--ink-900);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

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

.page-products .sv-screen__tag {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 2;
  background: var(--lime);
  color: var(--ink-900);
  padding: 5px 10px;
  font-size: 11px;
}

.page-products .sv-screen__cap {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  margin: 0;
  max-width: 34em;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
  background: rgba(8, 38, 47, .82);
  padding: 8px 12px;
}

/* ---------- 通用分区 ---------- */
.page-products .sv-sec {
  padding-block: clamp(44px, 6.4vw, 84px);
  border-top: 1px solid var(--sv-hair);
}

.page-products .sv-sec__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .sv-sec__head h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.008em;
  color: var(--ink-900);
  max-width: 22em;
}

.page-products .sv-sec__lead {
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 36em;
  color: var(--graphite);
}

/* ---------- 三栏字段带 ---------- */
.page-products .sv-field-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .sv-field {
  border-top: 1px solid var(--sv-hair);
}

.page-products .sv-field__row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--sv-hair);
}

.page-products .sv-field__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green);
  padding-top: 4px;
}

.page-products .sv-field__body h3 {
  font-family: var(--font-display);
  font-size: clamp(16.5px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.page-products .sv-field__body p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 38em;
}

/* 右侧粘性操作条 */
.page-products .sv-pin {
  background: var(--ink-900);
  color: var(--paper);
  padding: 22px 20px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .sv-pin__title {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lime);
  margin-bottom: 14px;
}

.page-products .sv-pin__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .sv-pin__list li {
  border-top: 1px solid rgba(127, 179, 196, .24);
}

.page-products .sv-pin__list li:last-child {
  border-bottom: 1px solid rgba(127, 179, 196, .24);
}

.page-products .sv-pin__list a {
  display: block;
  padding: 11px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
}

.page-products .sv-pin__list a:hover,
.page-products .sv-pin__list a:focus-visible {
  color: var(--lime);
}

.page-products .sv-pin__note {
  font-size: 12px;
  line-height: 1.72;
  color: var(--mist);
  margin: 0;
}

/* 内嵌截图 */
.page-products .sv-shot {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-products .sv-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--edge);
}

.page-products .sv-shot figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--graphite);
  opacity: .74;
  max-width: 40em;
}

/* ---------- 适配与性能 ---------- */
.page-products .sv-ruler {
  position: relative;
  padding: 0 0 8px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-products .sv-ruler__bar {
  height: 2px;
  background: linear-gradient(to right, var(--mist), var(--blue-700));
  position: relative;
}

.page-products .sv-ruler__bar::after {
  content: "";
  position: absolute;
  inset: -5px 0 auto 0;
  height: 12px;
  background-image: repeating-linear-gradient(to right, var(--blue-700) 0 1px, transparent 1px 24px);
  opacity: .38;
}

.page-products .sv-ruler__marks {
  list-style: none;
  display: flex;
  justify-content: space-between;
  margin: 12px 0 0;
  padding: 0;
  gap: 8px;
}

.page-products .sv-ruler__mark {
  position: relative;
  padding-left: 10px;
}

.page-products .sv-ruler__mark::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-products .sv-ruler__mark span {
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--blue-700);
}

.page-products .sv-ruler__mark--end {
  text-align: right;
  padding-left: 0;
  padding-right: 0;
}

.page-products .sv-ruler__mark--end::before {
  display: none;
}

.page-products .sv-fit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sv-hair);
  border: 1px solid var(--sv-hair);
}

.page-products .sv-fit__col {
  background: var(--paper);
  padding: 24px 20px;
}

.page-products .sv-fit__h {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 10px;
}

.page-products .sv-fit__col p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .sv-bars {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.page-products .sv-bar {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.page-products .sv-bar__name {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--blue-700);
}

.page-products .sv-bar__track {
  display: block;
  height: 10px;
  background: var(--fog);
  position: relative;
  overflow: hidden;
}

.page-products .sv-bar__fill {
  display: block;
  height: 100%;
}

.page-products .sv-bar__fill--old {
  width: 100%;
  background: var(--mist);
}

.page-products .sv-bar__fill--new {
  width: 60%;
  background: var(--green);
}

.page-products .sv-bar__note {
  grid-column: 2;
  font-size: 12px;
  line-height: 1.5;
  color: var(--graphite);
  opacity: .78;
}

/* ---------- 六类文档 ---------- */
.page-products .sv-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .sv-tablist .tabs__tab {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  padding: 10px 14px;
  border: 1px solid var(--edge);
  background: transparent;
  color: var(--blue-700);
  cursor: pointer;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-products .sv-tablist .tabs__tab:hover {
  border-color: var(--blue-700);
}

.page-products .sv-tablist .tabs__tab[aria-selected="true"] {
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: var(--paper);
}

.page-products .sv-tablist .tabs__tab:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-products .sv-doc {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  background: var(--fog);
  border-left: 3px solid var(--blue-700);
  padding: 24px 20px;
}

.page-products .sv-doc__label {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--blue-700);
  margin-bottom: 6px;
}

.page-products .sv-doc h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.page-products .sv-doc p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 32em;
}

.page-products .sv-doc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .sv-doc__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-900);
}

.page-products .sv-doc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1px;
  background: var(--green);
}

/* ---------- 字段对照 ---------- */
.page-products .sv-diff {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .sv-diff__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: svd;
}

.page-products .sv-diff__steps li {
  counter-increment: svd;
  position: relative;
  padding: 20px 0 20px 44px;
  border-top: 1px solid var(--sv-hair);
}

.page-products .sv-diff__steps li:last-child {
  border-bottom: 1px solid var(--sv-hair);
}

.page-products .sv-diff__steps li::before {
  content: counter(svd, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-products .sv-diff__steps h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 7px;
}

.page-products .sv-diff__steps p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .sv-table__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .sv-table__head .label-mono {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--blue-700);
}

.page-products .sv-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border: 1px solid var(--edge);
}

.page-products .sv-table th,
.page-products .sv-table td {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--edge);
  vertical-align: middle;
}

.page-products .sv-table thead th {
  background: var(--fog);
  color: var(--blue-700);
  letter-spacing: .04em;
  font-weight: 600;
  white-space: nowrap;
}

.page-products .sv-table tbody th {
  color: var(--ink-900);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .sv-table tbody td {
  color: var(--graphite);
  word-break: break-word;
}

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

.page-products .sv-table .tag {
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .sv-diff__hint {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  opacity: .82;
}

/* ---------- 典型场景 ---------- */
.page-products .sv-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sv-hair);
  border: 1px solid var(--sv-hair);
}

.page-products .sv-scene {
  background: var(--paper);
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .sv-scene__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  background: var(--ink-900);
  color: var(--lime);
}

.page-products .sv-scene h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-products .sv-scene p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
  flex: 1 1 auto;
}

.page-products .sv-scene__link {
  display: inline-block;
  align-self: flex-start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-products .sv-scene__link:hover,
.page-products .sv-scene__link:focus-visible {
  color: var(--ink-900);
}

/* ---------- 更新与通知 ---------- */
.page-products .sv-sec--last {
  border-bottom: 0;
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-products .sv-notify {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .sv-notify__body h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--ink-900);
  margin: 12px 0 16px;
  max-width: 18em;
}

.page-products .sv-notify__lead {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 34em;
}

.page-products .sv-notify__steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .sv-notify__steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
  padding-top: 14px;
  border-top: 1px solid var(--sv-hair);
}

.page-products .sv-notify__steps .label-mono {
  font-size: 12px;
  color: var(--green);
  padding-top: 2px;
}

.page-products .sv-notify__card {
  background: var(--ink-900);
  color: var(--paper);
  padding: 26px 22px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  align-self: start;
}

.page-products .sv-notify__card-title {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lime);
  margin-bottom: 18px;
}

.page-products .sv-notify__dl {
  margin: 0 0 16px;
  display: grid;
  gap: 12px;
}

.page-products .sv-notify__dl dt {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
  margin-bottom: 3px;
}

.page-products .sv-notify__dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-products .sv-notify__note {
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--mist);
  margin-bottom: 20px;
}

.page-products .sv-notify__card .btn {
  display: block;
  width: 100%;
  text-align: center;
}

.page-products .sv-notify__link {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 179, 196, .4);
  padding-bottom: 3px;
}

.page-products .sv-notify__link:hover,
.page-products .sv-notify__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-products .sv-hero__meta {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-products .sv-meta {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
  }

  .page-products .sv-table th,
  .page-products .sv-table td {
    font-size: 11px;
    padding: 9px 7px;
  }

  .page-products .sv-screen__cap {
    position: static;
    margin-top: 10px;
    background: transparent;
    color: var(--fog);
    padding: 0;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .sv-field__row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 26px;
    padding: 30px 0;
  }

  .page-products .sv-doc {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 32px 28px;
  }

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

  .page-products .sv-scene {
    padding: 30px 24px;
  }

  .page-products .sv-notify {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .sv-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(230px, .62fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }

  .page-products .sv-hero__meta {
    grid-template-columns: 1fr;
    border-top: 0;
    border-left: 1px solid var(--sv-hair);
    padding: 4px 0 4px 28px;
    gap: 18px;
  }

  .page-products .sv-tablist {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

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

  .page-products .sv-diff {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .sv-field-shell {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 52px;
    align-items: start;
  }

  .page-products .sv-pin {
    position: sticky;
    top: calc(var(--hdr-h) + 22px);
  }
}