.page-products {
  --tool-gap: clamp(1.25rem, 3vw, 2.25rem);
  --index-top: 6.5rem;
  --hair: 1px solid var(--mist);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

.page-products .tools-hero__grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  margin-top: 1.25rem;
}

.page-products .tools-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink-900);
  margin: .6rem 0 1rem;
}

.page-products .tools-hero__lede {
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--text);
  max-width: 34em;
  margin: 0 0 1.5rem;
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-products .tools-hero__panel {
  padding: clamp(1.2rem, 3.5vw, 1.75rem);
  border-radius: var(--radius-l);
  border: 1px solid rgba(30, 127, 168, .2);
}

.page-products .tools-hero__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lake-dark);
}

.page-products .tools-hero__panel .num-display {
  display: block;
  font-size: clamp(3.2rem, 11vw, 5rem);
  line-height: .92;
  color: var(--flag);
  margin: .35rem 0 .55rem;
}

.page-products .tools-hero__panel-note {
  margin: 0 0 1rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text);
}

.page-products .hero-facts {
  list-style: none;
  margin: 0;
  padding: .9rem 0 0;
  border-top: var(--hair);
  display: grid;
  gap: .55rem;
}

.page-products .hero-facts li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: .88rem;
  line-height: 1.6;
}

.page-products .hero-facts__key {
  flex: none;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--lake);
}

.page-products .hero-facts__val {
  color: var(--text);
  text-align: right;
}

@media (min-width: 900px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

/* ---------- 总览 ---------- */
.page-products .overview-figure {
  margin: 1.75rem 0 0;
}

.page-products .tool-chain {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-products .tool-chain > li {
  display: flex;
}

.page-products .tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  width: 100%;
  height: 100%;
  padding: 1.5rem 1.05rem 1.15rem;
  border: var(--hair);
  border-radius: var(--radius-m);
  background: #fff;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .tool-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lake), var(--flag));
}

.page-products .tool-card__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--lake);
}

.page-products .tool-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.35;
  color: var(--ink-700);
}

.page-products .tool-card__text {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text);
}

@media (hover: hover) {
  .page-products .tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--lake-300);
    box-shadow: var(--shadow-card);
  }
}

@media (min-width: 700px) {
  .page-products .tool-chain {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .tool-chain {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 工作台 ---------- */
.page-products .workbench-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0 0 1.5rem;
}

.page-products .workbench {
  display: grid;
  gap: var(--tool-gap);
  align-items: start;
}

.page-products .workbench__index {
  position: sticky;
  top: var(--index-top);
  z-index: 4;
  padding: .58rem .7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(30, 127, 168, .2);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products .workbench__index::-webkit-scrollbar {
  display: none;
}

.page-products .workbench__index-label {
  display: none;
}

.page-products .workbench__index .index-list {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
  border: 0;
}

.page-products .workbench__index .index-list li {
  flex: none;
  border: 0;
}

.page-products .workbench__index .index-list a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .42rem .8rem;
  border-radius: var(--radius-pill);
  font-size: .86rem;
  color: var(--text);
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-products .workbench__index .index-num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--lake);
}

@media (hover: hover) {
  .page-products .workbench__index .index-list a:hover {
    background: rgba(156, 207, 227, .38);
    color: var(--ink-700);
  }
}

.page-products .workbench__panels {
  display: grid;
  gap: clamp(2.4rem, 5vw, 3.75rem);
  min-width: 0;
}

@media (min-width: 960px) {
  .page-products .workbench {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(1.75rem, 3.5vw, 3rem);
  }

  .page-products .workbench__index {
    padding: 1.1rem .9rem 1.2rem;
    border-radius: var(--radius-m);
    overflow: visible;
  }

  .page-products .workbench__index-label {
    display: block;
    margin: 0 0 .6rem;
    padding-left: .5rem;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--lake-dark);
  }

  .page-products .workbench__index .index-list {
    display: grid;
    gap: .1rem;
    white-space: normal;
  }

  .page-products .workbench__index .index-list a {
    display: flex;
    width: 100%;
    padding: .5rem .55rem;
    border-radius: var(--radius-s);
    font-size: .92rem;
  }
}

/* ---------- 工具面板 ---------- */
.page-products .tool-panel {
  min-width: 0;
  scroll-margin-top: var(--index-top);
}

.page-products .tool-panel__head {
  position: relative;
  padding-bottom: .9rem;
  margin-bottom: 1.35rem;
  border-bottom: 2px solid var(--mist);
}

.page-products .tool-panel__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 68px;
  height: 2px;
  background: var(--flag);
}

.page-products .tool-panel__kicker {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--lake-dark);
}

.page-products .tool-panel__kicker .num-display {
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: 0;
  color: var(--flag);
}

.page-products .tool-panel__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.25;
  color: var(--ink-900);
  margin: 0 0 .5rem;
}

.page-products .tool-panel__lede {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text);
  max-width: 36em;
  margin: 0;
}

.page-products .tool-panel__body {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.85rem);
  align-items: start;
}

@media (min-width: 860px) {
  .page-products .tool-panel__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

.page-products .tool-note {
  margin: 1.1rem 0 0;
  padding-left: .9rem;
  border-left: 3px solid var(--lake-300);
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 列表与表格 ---------- */
.page-products .spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-products .spec-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .7rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text);
}

.page-products .spec-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: .6rem;
  border-radius: 50%;
  background: var(--lake);
}

.page-products .spec-list--flag li::before {
  background: var(--flag);
}

.page-products .spec-list strong {
  color: var(--ink-700);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 1.35rem;
}

.page-products .field-table {
  width: 100%;
  min-width: 400px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .field-table caption {
  text-align: left;
  padding-bottom: .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--lake-dark);
}

.page-products .field-table th,
.page-products .field-table td {
  padding: .6rem .7rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--mist);
}

.page-products .field-table thead th {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--ink-700);
  border-bottom: 2px solid var(--lake-300);
}

.page-products .field-table tbody tr:nth-child(even) {
  background: rgba(223, 231, 236, .48);
}

.page-products .field-table tbody td:first-child {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--ink-700);
  white-space: nowrap;
}

/* ---------- 版本对照 ---------- */
.page-products .compare {
  display: grid;
  gap: 1rem;
}

.page-products .compare__pane {
  padding: 1.1rem 1.15rem 1.25rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--mist);
  background: #fff;
}

.page-products .compare__pane--old {
  border-color: rgba(30, 127, 168, .32);
  background: rgba(156, 207, 227, .16);
  box-shadow: inset 0 3px 0 var(--lake);
}

.page-products .compare__pane--new {
  border-color: rgba(232, 99, 26, .38);
  box-shadow: inset 0 3px 0 var(--flag);
}

.page-products .compare__pane h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink-700);
  margin: .65rem 0 0;
}

.page-products .compare__list {
  list-style: none;
  margin: .75rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-products .compare__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: .6rem;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--text);
}

.page-products .compare__list li::before {
  content: "";
  width: 14px;
  height: 2px;
  margin-top: .72rem;
}

.page-products .compare__pane--old .compare__list li::before {
  background: var(--lake);
}

.page-products .compare__pane--new .compare__list li::before {
  background: var(--flag);
}

@media (min-width: 720px) {
  .page-products .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 时效估算 ---------- */
.page-products .basis-grid {
  display: grid;
  gap: .85rem;
}

.page-products .basis {
  padding: 1rem 1.05rem 1.15rem;
  border-radius: var(--radius-m);
  border: 1px solid rgba(30, 127, 168, .18);
  background: rgba(156, 207, 227, .18);
}

.page-products .basis__num {
  display: block;
  margin-bottom: .35rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--lake-dark);
}

.page-products .basis__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ink-700);
  margin: 0 0 .35rem;
}

.page-products .basis__text {
  margin: 0;
  font-size: .89rem;
  line-height: 1.72;
  color: var(--text);
}

@media (min-width: 640px) {
  .page-products .basis-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .range-strip {
  margin-top: 1.35rem;
  padding: 1.1rem 1.15rem 1.2rem;
  border-radius: var(--radius-m);
  border: 1px dashed var(--lake-300);
  background: rgba(248, 250, 251, .9);
}

.page-products .range-strip__label {
  margin: 0 0 .65rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lake-dark);
}

.page-products .range-bar {
  display: flex;
  height: 44px;
  border-radius: var(--radius-s);
  border: 1px solid var(--mist);
  overflow: hidden;
}

.page-products .range-bar span {
  flex: 1;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-900);
}

.page-products .range-bar__fast {
  background: rgba(156, 207, 227, .55);
}

.page-products .range-bar__mid {
  background: rgba(30, 127, 168, .85);
  color: #fff;
}

.page-products .range-bar__slow {
  background: rgba(242, 169, 59, .68);
}

.page-products .range-strip__note {
  margin: .7rem 0 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 节点地图图例 ---------- */
.page-products .legend-grid {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-m);
  border: var(--hair);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem 1rem;
}

.page-products .legend-grid li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-700);
}

.page-products .legend-swatch {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--lake);
}

.page-products .legend-swatch--flag {
  background: var(--flag);
  border-radius: 50%;
}

.page-products .legend-swatch--amber {
  background: var(--amber);
}

.page-products .legend-swatch--dash {
  background: repeating-linear-gradient(90deg, var(--lake-dark) 0 4px, transparent 4px 8px);
}

.page-products .legend-swatch--green {
  background: var(--green);
}

.page-products .legend-swatch--mist {
  background: var(--mist);
}

@media (min-width: 560px) {
  .page-products .legend-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 手机端与收藏 ---------- */
.page-products .phone-block {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.page-products .step-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .step-stack li {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: 1.15rem;
}

.page-products .step-stack li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 32px;
  bottom: 8px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--lake-300) 0 5px, transparent 5px 10px);
}

.page-products .step-stack li:last-child {
  padding-bottom: 0;
}

.page-products .step-stack li:last-child::before {
  display: none;
}

.page-products .step-num {
  position: relative;
  z-index: 1;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: #fff;
  background: var(--lake);
}

.page-products .step-stack strong {
  display: block;
  margin-bottom: .2rem;
  font-family: var(--font-display);
  font-size: .98rem;
  color: var(--ink-700);
}

.page-products .step-stack p {
  margin: 0;
  font-size: .91rem;
  line-height: 1.72;
  color: var(--text);
}

.page-products .save-note {
  margin-top: 1.5rem;
  padding: 1.1rem 1.2rem 1.25rem;
  border-radius: var(--radius-m);
  border-left: 4px solid var(--green);
  background: rgba(30, 158, 110, .08);
}

.page-products .save-note__title {
  margin: 0 0 .65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--green-ink);
}

.page-products .save-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-products .save-note__list li {
  position: relative;
  padding-left: 1rem;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--text);
}

.page-products .save-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

@media (min-width: 760px) {
  .page-products .phone-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
  }
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  margin: 0;
  border-radius: var(--radius-m);
  border: 1px solid var(--mist);
  overflow: hidden;
  background: var(--mist);
}

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

.page-products .tool-figure {
  margin-top: .25rem;
}

@media (max-width: 759px) {
  .page-products .media-frame--tall {
    max-width: 360px;
    margin-inline: auto;
  }
}

/* ---------- 后续入口 ---------- */
.page-products .next-routes {
  display: grid;
  gap: .9rem;
  margin-top: 1.5rem;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1.2rem 1.15rem 1.35rem;
  border: var(--hair);
  border-radius: var(--radius-m);
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .next-card__tag {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--flag-dark);
}

.page-products .next-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--ink-700);
}

.page-products .next-card__text {
  font-size: .89rem;
  line-height: 1.72;
  color: var(--text);
}

@media (hover: hover) {
  .page-products .next-card:hover {
    transform: translateY(-3px);
    border-color: var(--lake-300);
    box-shadow: var(--shadow-card);
  }
}

@media (min-width: 720px) {
  .page-products .next-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 479px) {
  .page-products .hero-facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: .15rem;
  }

  .page-products .hero-facts__val {
    text-align: left;
  }

  .page-products .tools-hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}