.page-products {
  --sv-gap: 28px;
  --sv-cut: -5deg;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 面包屑行 ---------- */
.page-products .sv-crumb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-products .sv-verline {
  color: var(--stone);
  margin: 0;
  white-space: nowrap;
}

/* ---------- 首屏 ---------- */
.page-products .sv-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .sv-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -34%;
  width: 92%;
  height: 72%;
  background: linear-gradient(158deg, rgba(123, 77, 255, 0.26), rgba(184, 255, 60, 0.07) 58%, transparent 82%);
  transform: skewY(var(--sv-cut));
  pointer-events: none;
}

.page-products .sv-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-products .sv-hero__copy h1 {
  margin: 12px 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 8.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .sv-hero__copy .lede {
  margin: 0;
  max-width: 46ch;
  color: var(--text);
  font-size: var(--step-17);
  line-height: 1.75;
}

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

.page-products .sv-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .sv-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}

.page-products .sv-fact-num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}

.page-products .sv-fact-num small {
  font-size: 0.8125rem;
  font-weight: 500;
  margin-left: 2px;
  color: var(--lime-deep);
}

.page-products .sv-fact-lab {
  font-size: var(--step-13);
  color: var(--stone);
  letter-spacing: 0.02em;
}

.page-products .sv-hero__vis {
  position: relative;
}

.page-products .sv-hero__chart {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.55));
}

@media (min-width: 560px) {
  .page-products .sv-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }

  .page-products .sv-hero__facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 0 16px;
    border-left: 1px solid var(--line);
  }

  .page-products .sv-hero__facts li:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-products .sv-hero {
    padding: 56px 0 78px;
  }

  .page-products .sv-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 52px;
  }

  .page-products .sv-hero::before {
    top: -26%;
    right: -10%;
    width: 56%;
    height: 96%;
  }

  .page-products .sv-hero__facts {
    margin-top: 34px;
  }
}

/* ---------- 区块通用头 ---------- */
.page-products .sv-blockhead {
  max-width: 62ch;
}

.page-products .sv-blockhead h2 {
  margin: 10px 0 12px;
}

.page-products .sv-blockhead__sub {
  margin: 0;
  color: var(--stone);
  font-size: var(--step-17);
  line-height: 1.75;
}

/* ---------- 服务目录 ---------- */
.page-products .sv-catalog {
  padding: 60px 0 68px;
}

.page-products .sv-toc {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .sv-toc__item {
  border-bottom: 1px solid var(--line);
}

.page-products .sv-toc__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc"
    "num cad";
  gap: 6px 14px;
  padding: 18px 12px 18px 4px;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-products .sv-toc__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--lime);
  padding-top: 3px;
}

.page-products .sv-toc__name {
  grid-area: name;
  font-size: var(--step-17);
  font-weight: 700;
  color: var(--paper);
  transition: color 0.28s var(--ease);
}

.page-products .sv-toc__desc {
  grid-area: desc;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--stone);
}

.page-products .sv-toc__cad {
  grid-area: cad;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--violet-soft);
  margin-top: 4px;
}

.page-products .sv-toc__link:hover,
.page-products .sv-toc__link:focus-visible {
  background: rgba(184, 255, 60, 0.07);
  outline: none;
}

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

@media (min-width: 860px) {
  .page-products .sv-toc__link {
    grid-template-columns: 68px minmax(170px, 232px) minmax(0, 1fr) 190px;
    grid-template-areas: "num name desc cad";
    align-items: center;
    gap: 28px;
    padding: 20px 8px;
  }

  .page-products .sv-toc__cad {
    margin-top: 0;
    text-align: right;
  }
}

/* ---------- 模块外壳 ---------- */
.page-products .sv-mod {
  position: relative;
  padding: 60px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-products .sv-mod:target {
  background: linear-gradient(180deg, rgba(123, 77, 255, 0.1), transparent 46%);
}

.page-products .sv-mod--violet {
  background: linear-gradient(173deg, rgba(123, 77, 255, 0.16), rgba(11, 13, 16, 0) 42%);
}

.page-products .sv-mod__head {
  display: grid;
  gap: 10px;
  margin-bottom: 34px;
  max-width: 74ch;
}

.page-products .sv-mod__head .sec-num {
  margin: 0;
}

.page-products .sv-mod__head .sec-title {
  margin: 0 0 10px;
}

.page-products .sv-mod__head .sec-sub {
  margin: 0;
  color: var(--stone);
  font-size: var(--step-17);
  line-height: 1.75;
}

@media (min-width: 900px) {
  .page-products .sv-mod {
    padding: 84px 0;
  }

  .page-products .sv-mod__head {
    grid-template-columns: 124px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
    margin-bottom: 44px;
  }
}

/* ---------- 分栏 ---------- */
.page-products .sv-split {
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-split__main p {
  margin: 0 0 16px;
  font-size: var(--step-17);
  line-height: 1.78;
  color: var(--text);
  max-width: 68ch;
}

@media (min-width: 900px) {
  .page-products .sv-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .sv-split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .sv-split--flip > .sv-split__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .sv-split--flip > .sv-split__side {
    grid-column: 1;
    grid-row: 1;
  }
}

/* ---------- 图片框 ---------- */
.page-products .media-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

/* ---------- 要点列表 ---------- */
.page-products .sv-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px dashed var(--line);
}

.page-products .sv-points li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .sv-points__k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--violet-soft);
  padding-top: 2px;
}

.page-products .sv-tail {
  margin: 26px 0 0;
}

.page-products .sv-tail--wide {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ---------- 折线对照图 ---------- */
.page-products .sv-chart {
  margin: 24px 0 6px;
  padding: 18px 16px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  transform: skewY(0deg);
}

.page-products .sv-chart svg {
  display: block;
  width: 100%;
  height: 150px;
}

.page-products .sv-chart .micro {
  margin: 12px 0 0;
  color: var(--stone);
}

/* ---------- 时间轴 ---------- */
.page-products .sv-timeline {
  overflow-x: auto;
  padding: 8px 0 14px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .sv-timeline:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-products .sv-timeline__track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 1fr);
  min-width: 740px;
}

.page-products .sv-timeline__track::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--lime) 68%, var(--orange));
  opacity: 0.55;
}

.page-products .sv-timeline__node {
  position: relative;
  padding: 42px 24px 0 0;
}

.page-products .sv-timeline__node::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--stone);
}

.page-products .sv-timeline__node.is-now::after {
  border-color: var(--orange);
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(255, 122, 24, 0.18);
}

.page-products .sv-node__time {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--orange);
}

.page-products .sv-node__name {
  margin: 0 0 8px;
  font-size: var(--step-17);
  font-weight: 700;
  color: var(--paper);
}

.page-products .sv-node__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--stone);
  max-width: 32ch;
}

.page-products .sv-split--wide {
  margin-top: 34px;
}

/* ---------- 标签云 ---------- */
.page-products .sv-tags {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .sv-tags li {
  transition: transform 0.3s var(--ease);
}

.page-products .sv-tags li:nth-child(3n) {
  transform: rotate(-1.5deg);
}

.page-products .sv-tags li:nth-child(4n) {
  transform: rotate(1.2deg);
}

.page-products .sv-tags li:hover {
  transform: translateY(-3px) rotate(0deg);
}

.page-products .sv-tag-note {
  margin: 14px 0 0;
  color: var(--stone);
}

/* ---------- 版本日志 ---------- */
.page-products .sv-log {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .sv-log__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .sv-log__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-products .sv-log__title {
  margin: 0 0 8px;
  font-size: var(--step-17);
  font-weight: 700;
  color: var(--paper);
}

.page-products .sv-log__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--stone);
  max-width: 64ch;
}

@media (min-width: 760px) {
  .page-products .sv-log__item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 入口选择（浅底） ---------- */
.page-products .sv-mod--paper {
  background: var(--paper);
  color: var(--text-dark);
  border-top-color: #CBD2C4;
}

.page-products .sv-mod--paper .sec-num {
  color: var(--lime-deep);
}

.page-products .sv-mod--paper .sec-title {
  color: #12161C;
}

.page-products .sv-mod--paper .sec-sub {
  color: #4B525C;
}

.page-products .sv-start {
  display: grid;
  gap: 16px;
}

.page-products .sv-start__card {
  position: relative;
  padding: 24px 22px 26px;
  background: #FFFFFF;
  border: 1px solid #D3D9CC;
  border-top: 3px solid var(--lime-deep);
  box-shadow: 0 14px 28px rgba(20, 26, 14, 0.09);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .sv-start__card:nth-child(even) {
  border-top-color: var(--violet);
}

.page-products .sv-start__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 38px rgba(20, 26, 14, 0.15);
}

.page-products .sv-start__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--lime-deep);
}

.page-products .sv-start__card:nth-child(even) .sv-start__idx {
  color: var(--violet);
}

.page-products .sv-start__name {
  margin: 0 0 10px;
  font-size: var(--step-22);
  font-weight: 800;
  color: #12161C;
}

.page-products .sv-start__desc {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #4B525C;
}

.page-products .sv-cta {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 2px solid #12161C;
  display: grid;
  gap: 18px;
}

.page-products .sv-cta__text {
  margin: 0;
  font-size: var(--step-17);
  line-height: 1.7;
  color: #1B1F26;
  max-width: 56ch;
}

.page-products .sv-cta .btn {
  justify-self: start;
}

@media (min-width: 640px) {
  .page-products .sv-start {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1080px) {
  .page-products .sv-start {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .sv-start__card:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .sv-start__card:nth-child(4) {
    margin-top: 26px;
  }

  .page-products .sv-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-products .sv-cta .btn {
    justify-self: end;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .sv-toc__link,
  .page-products .sv-start__card,
  .page-products .sv-tags li,
  .page-products .sv-toc__name {
    transition: none;
  }

  .page-products .sv-start__card:hover {
    transform: none;
  }

  .page-products .sv-tags li:nth-child(3n),
  .page-products .sv-tags li:nth-child(4n) {
    transform: none;
  }
}