/* ===== 工具中心 / page-products ===== */

.page-products {
  --tool-gap: clamp(20px, 3vw, 32px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}
.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-products .breadcrumb__item a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .breadcrumb__item a:hover,
.page-products .breadcrumb__item a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products .breadcrumb__item[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(26px, 4vw, 48px);
  background-image:
    linear-gradient(to right, rgba(30, 67, 89, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 67, 89, 0.42) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  background-position: -1px -1px;
  border-bottom: 1px solid var(--line);
}
.page-products .tools-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.page-products .tools-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-products .tools-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-products .tools-hero__title .hl {
  color: var(--cyan);
}
.page-products .tools-hero__intro {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-products .tools-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .tools-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-2);
}
.page-products .tools-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-products .tools-hero__stats .stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 索引轨道 ---------- */
.page-products .tool-rail {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 42, 62, 0.9), rgba(11, 27, 43, 0.2));
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-products .tool-rail__list {
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0 clamp(16px, 4vw, 40px);
  list-style: none;
  min-width: max-content;
}
.page-products .tool-rail__item {
  scroll-snap-align: start;
}
.page-products .tool-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 18px;
  border-left: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease);
}
.page-products .tool-rail__item:last-child .tool-rail__link {
  border-right: 1px solid var(--line);
}
.page-products .tool-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
}
.page-products .tool-rail__name {
  font-family: var(--font-body);
  font-size: 13.5px;
}
.page-products .tool-rail__link:hover,
.page-products .tool-rail__link:focus-visible {
  background: var(--cyan-soft);
  color: var(--cyan);
  outline: none;
}
.page-products .tool-rail__link:hover .tool-rail__no,
.page-products .tool-rail__link:focus-visible .tool-rail__no {
  color: var(--cyan);
}

/* ---------- 面板通用 ---------- */
.page-products .tool-panel {
  position: relative;
  padding: clamp(34px, 6vw, 70px) 0;
  border-top: 1px solid var(--line);
}
.page-products .tool-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(220px, 42%);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  opacity: 0.7;
}
.page-products .tool-panel--alt::before {
  left: auto;
  right: 0;
  background: linear-gradient(270deg, var(--violet), transparent);
}
.page-products .tool-panel__frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tool-gap);
  padding: clamp(18px, 3.4vw, 38px);
  background:
    linear-gradient(165deg, rgba(16, 42, 62, 0.92) 0%, rgba(11, 27, 43, 0.92) 62%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.page-products .tool-panel--alt .tool-panel__frame {
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-products .tool-panel__head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.page-products .tool-panel__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  line-height: 1.5;
  color: var(--cyan);
  border-top: 1px solid var(--cyan);
  padding-top: 6px;
}
.page-products .tool-panel--alt .tool-panel__no {
  color: var(--violet);
  border-top-color: var(--violet);
}
.page-products .tool-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .tool-panel__sub {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .tool-panel__main {
  min-width: 0;
}

/* ---------- 筛选标签 ---------- */
.page-products .filter-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}
.page-products .filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.page-products .filter-chip {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--stone);
  border: 1px dashed var(--line);
  background: rgba(11, 27, 43, 0.5);
}
.page-products .filter-chip--on {
  color: var(--cyan);
  border: 1px solid var(--cyan);
  background: var(--cyan-soft);
}
.page-products .aside-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 正文与图 ---------- */
.page-products .tool-copy {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}
.page-products .tool-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}
.page-products .tool-copy a:hover,
.page-products .tool-copy a:focus-visible {
  border-bottom-color: var(--cyan);
}
.page-products .tool-figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}
.page-products .tool-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .tool-figure--portrait {
  max-width: 400px;
}
.page-products .tool-figure--wide,
.page-products .tool-figure--table {
  margin-top: clamp(16px, 2.4vw, 24px);
}

/* ---------- 规格列表 ---------- */
.page-products .spec-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-products .spec-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .spec-list__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
}
.page-products .spec-list__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 新旧路径对比 ---------- */
.page-products .path-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 22px);
  margin: 0 0 clamp(18px, 2.8vw, 26px);
}
.page-products .path-col {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(11, 27, 43, 0.72);
}
.page-products .path-col--new {
  border-color: rgba(53, 224, 208, 0.45);
  background: var(--cyan-soft);
}
.page-products .path-col__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.page-products .path-col--new .path-col__tag {
  color: var(--cyan);
}
.page-products .path-col__total {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--stone);
}
.page-products .path-col__num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-products .path-col--new .path-col__num {
  color: var(--cyan);
}
.page-products .path-steps {
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .path-steps li {
  position: relative;
  counter-increment: step;
  padding: 6px 0 16px 28px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper);
}
.page-products .path-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink);
  background: var(--clay);
}
.page-products .path-col--new .path-steps li::before {
  background: var(--cyan);
}
.page-products .path-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 9.5px;
  top: 26px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}
.page-products .path-steps li:last-child {
  padding-bottom: 0;
}

/* ---------- 折叠组 ---------- */
.page-products .fold {
  margin-top: clamp(14px, 2.2vw, 20px);
  border: 1px solid var(--line);
  background: rgba(11, 27, 43, 0.65);
}
.page-products .fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 14px 16px;
  background: rgba(181, 100, 60, 0.12);
  border: 0;
  border-left: 3px solid var(--clay);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.18s var(--ease);
}
.page-products .fold__head:hover,
.page-products .fold__head:focus-visible {
  background: rgba(181, 100, 60, 0.22);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--clay);
}
.page-products .fold__title {
  font-weight: 500;
}
.page-products .fold__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}
.page-products .fold__sign::before,
.page-products .fold__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
  background: var(--clay);
  transition: transform 0.18s var(--ease), opacity 0.18s var(--ease);
}
.page-products .fold__sign::after {
  transform: rotate(90deg);
}
.page-products .fold[data-open] .fold__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}
.page-products .fold__body {
  padding: 4px 16px 18px;
  border-top: 1px solid var(--line);
}
.page-products .fold__body .index-list {
  margin: 16px 0 18px;
}
.page-products .fold__body .tool-copy {
  margin-top: 16px;
  margin-bottom: 0;
  font-size: 14.5px;
}

/* ---------- 性能清单 ---------- */
.page-products .perf-list {
  display: grid;
  gap: 13px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-products .perf-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}
.page-products .perf-list li::before {
  content: "";
  width: 14px;
  height: 2px;
  margin-top: 12px;
  background: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .spec-list__row {
    grid-template-columns: minmax(110px, 168px) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
  .page-products .path-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(272px, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-products .tools-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .tool-panel__frame {
    grid-template-columns: minmax(200px, 292px) minmax(0, 1fr);
    grid-template-areas:
      "head head"
      "aside main";
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(20px, 3vw, 30px);
  }
  .page-products .tool-panel__head {
    grid-area: head;
  }
  .page-products .tool-panel__aside {
    grid-area: aside;
    padding-right: clamp(14px, 2vw, 26px);
    border-right: 1px dashed var(--line);
    align-self: start;
  }
  .page-products .tool-panel__main {
    grid-area: main;
  }
  .page-products .tool-figure--portrait {
    margin-left: 0;
  }
  .page-products .fold__head {
    padding: 16px 20px;
  }
  .page-products .fold__body {
    padding: 6px 20px 22px;
  }
}

@media (min-width: 1100px) {
  .page-products .tools-hero__stats .stat {
    padding: 18px 18px;
  }
  .page-products .tools-hero__stats .stat__value {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-rail,
  .page-products .fold__head,
  .page-products .fold__sign::before,
  .page-products .fold__sign::after,
  .page-products .tool-rail__link {
    transition: none;
    scroll-behavior: auto;
  }
}
</final>