/* ================= 服务与体验 / page-products ================= */
.page-products {
  --svc-block-gap: clamp(32px, 5vw, 60px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  margin: 0 0 6px;
}

.page-products .svc-hero {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding: clamp(18px, 3vw, 36px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line-200);
}

.page-products .svc-hero__copy .eyebrow {
  margin: 0 0 14px;
}

.page-products .svc-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink-900);
  margin: 0 0 20px;
  max-width: 21ch;
}

.page-products .svc-hero .lead {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0;
  max-width: 46ch;
}

.page-products .svc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 44px);
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-200);
}

.page-products .svc-hero__facts div {
  min-width: 92px;
}

.page-products .svc-hero__facts dt {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--orange-deep);
  font-variant-numeric: tabular-nums;
}

.page-products .svc-hero__facts dd {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-products .svc-hero__figure {
  margin: 0;
}

.page-products .svc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-l);
  border: 1px solid var(--line-200);
}

/* ---------- 环形总览 ---------- */
.page-products .svc-overview {
  padding: var(--svc-block-gap) 0;
}

.page-products .svc-overview__head {
  max-width: 62ch;
}

.page-products .svc-overview__head .eyebrow {
  margin: 0 0 12px;
}

.page-products .svc-overview__head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 14px;
}

.page-products .svc-overview__head .lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0;
}

.page-products .ring-overview {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-products .ring-overview__chart {
  max-width: 320px;
  margin: 0 auto;
}

.page-products .ring-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-products .ring-track {
  fill: none;
  stroke: var(--line-200);
  stroke-width: 1;
  stroke-dasharray: 2 9;
}

.page-products .ring-seg {
  fill: none;
  stroke-width: 18;
  stroke-linecap: round;
}

.page-products .ring-seg--a { stroke: var(--orange); }
.page-products .ring-seg--b { stroke: var(--green); }
.page-products .ring-seg--c { stroke: var(--blue); }
.page-products .ring-seg--d { stroke: var(--gold); }
.page-products .ring-seg--e { stroke: var(--muted); }

.page-products .ring-core {
  fill: var(--paper-1);
}

.page-products .ring-core-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 46px;
  fill: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.page-products .ring-core-label {
  font-size: 13px;
  fill: var(--muted);
  letter-spacing: 0.14em;
}

.page-products .svc-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .svc-line__link {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--line-200);
  border-radius: var(--r-m);
  background: var(--paper-0);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-products .svc-line__link:hover,
.page-products .svc-line__link:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .svc-line__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--r-full);
}

.page-products .svc-line:nth-child(1) .svc-line__dot { background: var(--orange); }
.page-products .svc-line:nth-child(2) .svc-line__dot { background: var(--green); }
.page-products .svc-line:nth-child(3) .svc-line__dot { background: var(--blue); }
.page-products .svc-line:nth-child(4) .svc-line__dot { background: var(--gold); }
.page-products .svc-line:nth-child(5) .svc-line__dot { background: var(--muted); }

.page-products .svc-line__body {
  display: block;
  min-width: 0;
}

.page-products .svc-line__name {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  color: var(--ink-900);
  margin-bottom: 3px;
}

.page-products .svc-line__desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .svc-line__arrow {
  font-size: 16px;
  color: var(--orange);
  transition: transform var(--t-fast) var(--ease);
}

.page-products .svc-line__link:hover .svc-line__arrow,
.page-products .svc-line__link:focus-visible .svc-line__arrow {
  transform: translateX(3px);
}

/* ---------- 分栏外壳与索引 ---------- */
.page-products .svc-shell {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding-top: clamp(20px, 3vw, 36px);
  border-top: 1px solid var(--line-200);
}

.page-products .svc-index__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .svc-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .svc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-200);
  border-radius: var(--r-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-700);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.page-products .svc-index__link:hover,
.page-products .svc-index__link:focus-visible {
  border-color: var(--orange);
  color: var(--orange-deep);
}

.page-products .svc-index__no {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节块 ---------- */
.page-products .svc-blocks {
  display: grid;
  min-width: 0;
}

.page-products .svc-block {
  padding: var(--svc-block-gap) 0;
  border-top: 1px solid var(--line-200);
  scroll-margin-top: 24px;
}

.page-products .svc-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .svc-block__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-bottom: 20px;
}

.page-products .chapter__num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: var(--line-200);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

@supports (-webkit-text-stroke: 1px red) {
  .page-products .chapter__num {
    color: transparent;
    -webkit-text-stroke: 1.6px var(--line-200);
  }
}

.page-products .svc-block__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.28;
  letter-spacing: -0.006em;
  color: var(--ink-900);
  margin: 0 0 6px;
}

.page-products .svc-block__sub {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-products .svc-block__lead {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .svc-block__foot {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line-200);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .svc-block__foot a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 编号要点列表 ---------- */
.page-products .svc-points {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-200);
}

.page-products .svc-point {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-200);
}

.page-products .svc-point__no {
  width: 30px;
  height: 30px;
  border-radius: var(--r-full);
  border: 1px solid var(--orange);
  color: var(--orange-deep);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-products .svc-point h3 {
  margin: 2px 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  color: var(--ink-900);
}

.page-products .svc-point p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 帮助文档 ---------- */
.page-products .doc-figure {
  margin: 0 0 24px;
}

.page-products .media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-m);
  border: 1px solid var(--line-200);
}

.page-products .doc-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.page-products .doc-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--line-200);
  border-radius: var(--r-m);
  background: var(--paper-0);
  transition: border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-products .doc-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .doc-card__orb {
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-200);
  background: var(--paper-1);
  color: var(--ink-900);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  transition: background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-products .doc-card:hover .doc-card__orb {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .doc-card__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  color: var(--ink-900);
}

.page-products .doc-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .doc-card__hint {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-200);
  font-size: 13px;
  line-height: 1.6;
  color: var(--green-deep);
}

/* ---------- 家庭使用指引 ---------- */
.page-products .family {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .family__main {
  min-width: 0;
}

.page-products .family__list {
  list-style: none;
  counter-reset: fam;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .family__list li {
  position: relative;
  padding-left: 28px;
}

.page-products .family__list li::before {
  counter-increment: fam;
  content: counter(fam);
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: var(--r-full);
  background: var(--green);
  color: var(--paper-0);
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
}

.page-products .family__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16.5px;
  color: var(--ink-900);
}

.page-products .family__list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .family__faq {
  margin-top: 30px;
  display: grid;
}

.page-products .family__faq-item {
  padding: 16px 0;
  border-top: 1px solid var(--line-200);
}

.page-products .family__faq-item h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .family__faq-item h4::before {
  content: "// ";
  color: var(--orange);
}

.page-products .family__faq-item p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .family__figure {
  margin: 0;
}

/* ---------- 企业对接 ---------- */
.page-products .accordion {
  margin: 4px 0 0;
}

.page-products .ent-figure {
  margin: 28px 0 0;
}

/* ---------- 版本演进时间轴 ---------- */
.page-products .timeline {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 28px;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-200);
}

.page-products .timeline__node {
  position: relative;
  padding-left: 32px;
}

.page-products .timeline__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: var(--r-full);
  background: var(--paper-0);
  border: 2px solid var(--orange);
}

.page-products .timeline__node:last-child .timeline__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.16);
}

.page-products .timeline__date {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange-deep);
  font-variant-numeric: tabular-nums;
}

.page-products .timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  color: var(--ink-900);
}

.page-products .timeline__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .ver-figure {
  margin: 30px 0 0;
}

/* ---------- 收束行动区 ---------- */
.page-products .svc-next {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-200);
  border-radius: var(--r-l);
  background: var(--paper-1);
  display: grid;
  gap: 20px;
}

.page-products .svc-next__text {
  margin: 0;
  max-width: 46ch;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-products .svc-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 640px) {
  .page-products .timeline__desc {
    font-size: 15.5px;
  }
}

@media (min-width: 880px) {
  .page-products .svc-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .ring-overview {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .family {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-products .svc-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-products .svc-index {
    position: sticky;
    top: 32px;
    align-self: start;
  }

  .page-products .svc-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line-200);
  }

  .page-products .svc-index__list li + li {
    margin-top: 2px;
  }

  .page-products .svc-index__link {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
    padding: 10px 0 10px 14px;
    transition: border-color var(--t-fast) var(--ease),
      color var(--t-fast) var(--ease),
      padding-left var(--t-fast) var(--ease);
  }

  .page-products .svc-index__link:hover,
  .page-products .svc-index__link:focus-visible {
    border-left-color: var(--orange);
    color: var(--ink-900);
    padding-left: 18px;
  }

  .page-products .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px 20px;
    padding-top: 36px;
  }

  .page-products .timeline::before {
    left: 0;
    right: 0;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-products .timeline__node {
    padding-left: 0;
  }

  .page-products .timeline__dot {
    top: -36px;
    left: 0;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 400px) {
  .page-products .svc-hero__facts {
    gap: 16px 24px;
  }

  .page-products .svc-point {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 12px;
  }

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

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .svc-line__link,
  .page-products .svc-line__arrow,
  .page-products .doc-card,
  .page-products .doc-card__orb,
  .page-products .svc-index__link {
    transition: none;
  }

  .page-products .svc-line__link:hover,
  .page-products .doc-card:hover {
    transform: none;
  }
}