.page-products {
  --tp-gap: clamp(2.25rem, 4vw, 3.5rem);
  --tp-shadow: 0 18px 44px rgba(0, 0, 0, .45);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-6) 0 var(--sp-6);
  border-bottom: 1px solid var(--line);
}

.page-products .tools-hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 65% 35%, rgba(201, 162, 75, .2), transparent 70%);
  pointer-events: none;
}

.page-products .tools-hero .display-title {
  margin: var(--sp-3) 0 var(--sp-4);
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  max-width: 20em;
}

.page-products .tools-hero .lede {
  max-width: 42em;
  color: var(--paper);
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

/* ---------- 工具台外壳 ---------- */
.page-products .tools-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-6);
  padding: var(--sp-6) 0 var(--sp-8);
}

/* ---------- 左侧索引 ---------- */
.page-products .tools-index {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: var(--sp-4);
}

.page-products .tools-index__label {
  margin: 0 0 var(--sp-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
}

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

.page-products .tools-index__link {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  padding: .5rem .1rem .5rem .7rem;
  border-left: 1px solid var(--line);
  color: var(--slate);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: .875rem;
  line-height: 1.5;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .tools-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
  flex: none;
}

.page-products .tools-index__link:hover,
.page-products .tools-index__link:focus-visible {
  color: var(--ivory);
  border-left-color: var(--gold);
  outline: none;
}

.page-products .tools-index__link.is-current {
  color: var(--gold-bright);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(201, 162, 75, .16), rgba(201, 162, 75, 0) 72%);
}

.page-products .tools-index__foot {
  margin: var(--sp-4) 0 0;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 章节 ---------- */
.page-products .tools-body {
  min-width: 0;
}

.page-products .tool-section {
  scroll-margin-top: calc(var(--topbar-h) + 20px);
  margin-top: var(--tp-gap);
  padding-top: var(--tp-gap);
  border-top: 1px solid var(--line);
}

.page-products .tool-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-products .section-head {
  margin-bottom: var(--sp-5);
}

/* ---------- 分栏 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

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

.page-products .split__body > p {
  margin: 0 0 var(--sp-4);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
  max-width: 46em;
}

.page-products .split__tail {
  margin: var(--sp-4) 0 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--slate);
  max-width: 46em;
}

/* ---------- 图片框 ---------- */
.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 6px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 1px;
}

.page-products .media-frame__caption {
  padding: .55rem .2rem .15rem;
  font-size: .75rem;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 场景行 ---------- */
.page-products .scene-list {
  display: grid;
  gap: 0;
}

.page-products .scene-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .scene-row:first-child {
  padding-top: 0;
}

.page-products .scene-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .scene-row__tag {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

.page-products .scene-row__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .scene-row__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-products .scene-row__desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
  max-width: 44em;
}

.page-products .scene-row__link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

/* ---------- 路径代码块 ---------- */
.page-products .path-chip {
  display: inline-block;
  max-width: 100%;
  padding: .35rem .65rem;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--gold-bright);
  background: rgba(201, 162, 75, .09);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-wrap: anywhere;
}

.page-products .btn--tiny {
  padding: .3rem .7rem;
  font-size: 12px;
  line-height: 1.5;
}

/* ---------- 要点列表 ---------- */
.page-products .fact-list {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-products .fact-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ---------- 步骤列表 ---------- */
.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .step-list__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .step-list__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .step-list__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .2em;
}

.page-products .step-list__body {
  min-width: 0;
}

.page-products .step-list__title {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-products .step-list__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 四步路径图 ---------- */
.page-products .route-map {
  display: block;
  width: 100%;
  height: auto;
  margin: var(--sp-5) 0 0;
}

.page-products .route-map .route-node circle {
  fill: var(--ink-2);
  stroke: var(--gold);
  stroke-width: 1.2;
}

.page-products .route-map .route-node text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--gold-bright);
  text-anchor: middle;
  dominant-baseline: middle;
}

.page-products .route-map .route-label {
  font-family: var(--font-display);
  font-size: 12px;
  fill: var(--slate);
  text-anchor: middle;
}

/* ---------- 能力网格 ---------- */
.page-products .cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .cap-list__item {
  display: grid;
  gap: .3rem;
  padding: var(--sp-4);
  background: var(--ink-2);
}

.page-products .cap-list__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .cap-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-products .cap-list__text {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .cap-foot {
  margin: var(--sp-4) 0 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 流程带 ---------- */
.page-products .flow-band {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .flow-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
  filter: saturate(.65);
  max-width: 100%;
}

.page-products .flow-band__inner {
  position: relative;
  padding: var(--sp-4);
  background: linear-gradient(180deg, rgba(11, 13, 14, .84), rgba(11, 13, 14, .95));
}

.page-products .tools-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-strong);
}

.page-products .tools-next__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 520px) {
  .page-products .tools-hero .display-title {
    font-size: 1.7rem;
  }

  .page-products .step-list__item {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: var(--sp-2);
  }

  .page-products .scene-row__name {
    font-size: 1rem;
  }

  .page-products .path-chip {
    font-size: 11px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 780px) {
  .page-products .scene-row {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: var(--sp-5);
    align-items: start;
  }

  .page-products .cap-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .flow-band__inner {
    padding: var(--sp-5);
  }
}

@media (min-width: 960px) {
  .page-products .tools-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    column-gap: var(--sp-7);
  }

  .page-products .tools-index {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    align-self: start;
  }

  .page-products .split--media-right {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    column-gap: var(--sp-6);
  }

  .page-products .split--media-left {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    column-gap: var(--sp-6);
  }
}

@media (min-width: 1120px) {
  .page-products .cap-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .tools-hero {
    padding: var(--sp-7) 0 var(--sp-6);
  }
}