.page-products {
  --pr-panel-pad: 26px 18px;
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-products .wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 16px;
}

.page-products .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-products .pr-intro {
  padding-block: 26px 34px;
}

.page-products .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 28px;
}

.page-products .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--lime);
}

.page-products .index-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .index-label::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--lime);
  flex: none;
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 8.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-products .pr-lead {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: 16px;
  color: #D8E4DE;
}

.page-products .pr-quick {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 0 0 16px;
  padding: 22px 0 0;
  border-top: 1px solid var(--hair);
}

.page-products .pr-quick li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .pr-quick__num {
  font-size: clamp(1.45rem, 6vw, 1.95rem);
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-products .pr-quick__label {
  font-size: 13px;
  color: var(--mist);
}

.page-products .pr-source {
  margin: 0;
  max-width: 70ch;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 轨道布局 ---------- */
.page-products .rail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-bottom: 56px;
}

.page-products .content-col {
  min-width: 0;
}

.page-products .pr-rail {
  padding: 14px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-products .pr-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

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

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

.page-products .pr-rail__list a {
  display: block;
  white-space: nowrap;
  padding: 6px 11px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
}

.page-products .pr-rail__list a:hover,
.page-products .pr-rail__list a:focus-visible {
  color: var(--paper);
  border-color: var(--mist);
}

.page-products .pr-rail__list a[aria-current="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
  font-weight: 600;
}

.page-products .pr-rail__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分区面板 ---------- */
.page-products .pr-section {
  padding: var(--pr-panel-pad);
  margin-bottom: 22px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: 92px;
}

.page-products .pr-section:last-child {
  margin-bottom: 0;
}

.page-products .pr-zone--night {
  background: var(--night);
}

.page-products .pr-zone--paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-products .pr-zone--grass {
  background: var(--grass);
}

.page-products .pr-zone--indigo {
  background: linear-gradient(168deg, var(--indigo), var(--night) 94%);
}

.page-products .pr-section h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 5.8vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-products h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.page-products .pr-sec-lead {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  opacity: 0.88;
}

.page-products .pr-zone--paper .index-label {
  color: #4A6154;
}

.page-products .pr-zone--paper .index-label::before {
  background: var(--midline);
}

.page-products .pr-note {
  margin: 0;
  padding-top: 14px;
  max-width: 70ch;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pr-zone--paper .pr-note {
  border-top-color: #D8D2C4;
  color: #3C5348;
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: #08131F;
}

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

.page-products .media-frame__caption {
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--hair);
  background: rgba(10, 28, 46, 0.62);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pr-zone--paper .media-frame {
  border-color: #D8D2C4;
}

.page-products .pr-zone--paper .media-frame__caption {
  border-top-color: #D8D2C4;
  background: rgba(16, 32, 26, 0.04);
  color: #4A6154;
}

/* ---------- 订阅三步 ---------- */
.page-products .pr-steps {
  display: grid;
  gap: 20px;
}

.page-products .step-switch,
.page-products .view-switch {
  position: relative;
  min-width: 0;
}

.page-products .step-input,
.page-products .view-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-products .step-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .step-tab {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 10px 18px;
  cursor: pointer;
  color: var(--paper);
  background: rgba(30, 92, 65, 0.38);
  border: 1px solid var(--hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), 0 100%);
  transition: background 0.25s ease, color 0.25s ease;
}

.page-products .step-tab__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: inherit;
  opacity: 0.72;
}

.page-products .step-tab__name {
  font-size: 13.5px;
  font-weight: 600;
  color: inherit;
}

.page-products #substep-1:checked ~ .step-tabs label[for="substep-1"],
.page-products #substep-2:checked ~ .step-tabs label[for="substep-2"],
.page-products #substep-3:checked ~ .step-tabs label[for="substep-3"] {
  background: var(--lime);
  color: var(--night);
}

.page-products .step-input:focus-visible ~ .step-tabs {
  outline: 2px dashed var(--lime);
  outline-offset: 5px;
}

.page-products .step-panel {
  display: none;
}

.page-products .step-panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  color: #D8E4DE;
}

.page-products #substep-1:checked ~ .step-panels .is-p1,
.page-products #substep-2:checked ~ .step-panels .is-p2,
.page-products #substep-3:checked ~ .step-panels .is-p3 {
  display: block;
}

/* ---------- 数据底盘 ---------- */
.page-products .pr-facts {
  margin: 0 0 20px;
  display: grid;
  gap: 0;
}

.page-products .pr-fact {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(16, 32, 26, 0.16);
}

.page-products .pr-fact:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #4A6154;
}

.page-products .pr-fact dd {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
}

/* ---------- 检索区 ---------- */
.page-products .pr-filter {
  padding: 18px 16px;
  margin-bottom: 22px;
  border: 1px solid rgba(200, 255, 77, 0.24);
  border-radius: var(--radius);
  background: rgba(10, 28, 46, 0.56);
}

.page-products .pr-filter__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(200, 255, 77, 0.12);
}

.page-products .pr-filter__key {
  flex: 0 0 100%;
  margin-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid rgba(157, 184, 174, 0.34);
  border-radius: 999px;
  background: rgba(10, 28, 46, 0.42);
  font-size: 13px;
  color: #CFE0D8;
}

.page-products .chip.is-on {
  border-color: var(--lime);
  color: var(--lime);
  box-shadow: inset 0 -2px 0 var(--lime);
}

.page-products .pr-filter__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
}

.page-products .pr-filter__state {
  font-size: 12px;
  color: var(--mist);
}

.page-products .btn--ghost {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
}

.page-products .btn--ghost:hover,
.page-products .btn--ghost:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.page-products .pr-banner {
  margin-bottom: 22px;
}

.page-products .pr-result p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 15.5px;
  color: #DCE9E3;
}

/* ---------- 数据卡与对照 ---------- */
.page-products .view-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 16px;
  border: 1px solid var(--hair);
  border-radius: 999px;
}

.page-products .view-tab {
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--mist);
  cursor: pointer;
}

.page-products #view-single:checked ~ .view-tabs label[for="view-single"],
.page-products #view-season:checked ~ .view-tabs label[for="view-season"] {
  background: var(--lime);
  color: var(--night);
  font-weight: 600;
}

.page-products .view-input:focus-visible ~ .view-tabs {
  outline: 2px dashed var(--lime);
  outline-offset: 5px;
}

.page-products .view-panel {
  display: none;
}

.page-products #view-single:checked ~ .view-panels .is-single,
.page-products #view-season:checked ~ .view-panels .is-season {
  display: block;
}

.page-products .data-card {
  padding: 20px 16px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(10, 28, 46, 0.74);
}

.page-products .pr-card__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 18px;
}

.page-products .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 13vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-products .stat__label {
  max-width: 54ch;
  font-size: 13px;
  color: var(--mist);
}

.page-products .pr-card__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

.page-products .pr-card__list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(44, 59, 71, 0.9);
  font-size: 14px;
  color: #DCE9E3;
}

.page-products .pr-card__list .mono {
  color: var(--lime);
}

.page-products .pr-card__source {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pr-bars {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-products .pr-bars li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 56px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.page-products .pr-bars__label {
  color: var(--mist);
}

.page-products .pr-bars__track {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(44, 59, 71, 0.85);
  overflow: hidden;
}

.page-products .pr-bars__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--midline), var(--lime));
}

.page-products .pr-bars__fill--a { width: 58%; }
.page-products .pr-bars__fill--b { width: 55%; }
.page-products .pr-bars__fill--c { width: 61%; }
.page-products .pr-bars__fill--d { width: 57%; }

.page-products .pr-bars__val {
  text-align: right;
  font-size: 13px;
  color: var(--lime);
}

.page-products .pr-worktop {
  margin-bottom: 22px;
}

/* ---------- 变更说明 ---------- */
.page-products .pr-log-layout {
  display: grid;
  gap: 22px;
}

.page-products .pr-log-col {
  min-width: 0;
}

.page-products .log-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-products .log-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products .log-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px 7px 34px;
  border: 1px solid rgba(16, 32, 26, 0.28);
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  color: #3C5348;
}

.page-products .log-switch::before {
  content: "";
  position: absolute;
  left: 12px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--midline);
  border-radius: 50%;
}

.page-products .log-check:focus-visible ~ .log-tools .log-switch {
  outline: 2px dashed var(--midline);
  outline-offset: 4px;
}

.page-products .log-check:checked ~ .log-tools .log-switch {
  background: var(--midline);
  border-color: var(--midline);
  color: var(--paper);
}

.page-products .log-check:checked ~ .log-tools .log-switch::before {
  background: var(--lime);
  border-color: var(--lime);
}

.page-products .log-hint {
  font-size: 12px;
  color: #4A6154;
}

.page-products .log-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products .log-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(16, 32, 26, 0.16);
}

.page-products .log-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .log-item__tick {
  display: block;
  width: 14px;
  height: 2px;
  margin-top: 12px;
  background: rgba(16, 32, 26, 0.22);
}

.page-products .log-item--changed .log-item__tick {
  background: var(--midline);
  box-shadow: 0 8px 0 rgba(30, 92, 65, 0.35);
}

.page-products .log-item__field {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 4px;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .log-item__key {
  flex: none;
  min-width: 82px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #4A6154;
  padding-top: 3px;
}

.page-products .log-item__tag {
  margin-top: 8px;
}

.page-products .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid currentColor;
}

.page-products .tag--lime {
  color: #3C5348;
}

.page-products .log-check:checked ~ .log-list .log-item--steady {
  display: none;
}

/* ---------- 加载更快 ---------- */
.page-products .pr-speed {
  display: grid;
  gap: 20px;
}

.page-products .pr-speed__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-speed__list li {
  padding: 14px 0;
  border-top: 1px solid var(--hair);
  font-size: 15.5px;
  color: #DCE9E3;
}

.page-products .pr-speed__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-speed__key {
  display: inline-block;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

/* ---------- 去处清单 ---------- */
.page-products .pr-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hair);
}

.page-products .pr-route-list a {
  display: grid;
  gap: 4px;
  padding: 16px 14px;
  background: var(--night);
  text-decoration: none;
  color: var(--paper);
  transition: background 0.25s ease;
}

.page-products .pr-route-list a:hover,
.page-products .pr-route-list a:focus-visible {
  background: var(--midline);
}

.page-products .pr-route__t {
  font-size: 15px;
  font-weight: 600;
  color: var(--lime);
}

.page-products .pr-route__d {
  font-size: 13.5px;
  color: #CFE0D8;
}

/* ---------- 滚动显现 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .step-tab,
  .page-products .pr-route-list a {
    transition: none;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-products .pr-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-filter__key {
    flex: 0 0 62px;
    margin-bottom: 0;
  }

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

  .page-products .pr-section {
    padding: 32px 28px 38px;
  }
}

/* ---------- 桌面：左侧常驻轨道 ---------- */
@media (min-width: 900px) {
  .page-products .wrap {
    padding-inline: 24px;
  }

  .page-products .rail-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .pr-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 0;
    border: 0;
  }

  .page-products .pr-rail__title {
    margin-bottom: 12px;
  }

  .page-products .pr-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .pr-rail__list a {
    padding: 8px 0 8px 13px;
    border: 0;
    border-left: 1px solid var(--hair);
    border-radius: 0;
    white-space: normal;
  }

  .page-products .pr-rail__list a[aria-current="true"] {
    background: transparent;
    color: var(--lime);
    border-left: 2px solid var(--lime);
    font-weight: 600;
  }

  .page-products .pr-section {
    padding: 40px 38px 46px;
  }

  .page-products .pr-steps {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .pr-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-products .pr-fact:nth-child(2) {
    border-top: 0;
    padding-top: 0;
  }

  .page-products .pr-filter {
    position: sticky;
    top: 88px;
    z-index: 3;
  }

  .page-products .pr-speed {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 0.66fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .pr-log-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pr-route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .pr-section {
    padding: 46px 44px 52px;
  }
}