.page-products {
  --pp-hair: 1px solid var(--line);
  --pp-copper-line: 1px solid var(--line-copper);
  --pp-tint: rgba(224, 199, 154, 0.2);
  background-color: var(--paper-50);
  color: var(--ink-900);
  font-family: var(--font-body);
}

.page-products [data-section] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 52px;
  background-image: linear-gradient(158deg, var(--ink-900) 0%, var(--ink-700) 58%, #1a3d5e 100%);
  color: var(--paper-50);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(180, 136, 75, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 136, 75, 0.12) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(circle at 80% 18%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 80% 18%, #000 0%, transparent 70%);
}

.page-products .pp-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero .breadcrumb,
.page-products .pp-hero .breadcrumb a {
  color: rgba(247, 245, 241, 0.62);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}

.page-products .pp-hero .breadcrumb__current {
  color: var(--copper-200);
}

.page-products .pp-hero__inner {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-products .pp-hero .eyebrow {
  color: var(--copper-200);
  font-family: var(--font-mono);
  font-size: var(--index);
  letter-spacing: 0.08em;
}

.page-products .pp-hero .h1 {
  margin: 12px 0 0;
  color: var(--paper-50);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--h1);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-products .pp-hero .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: rgba(247, 245, 241, 0.78);
  font-size: 1rem;
  line-height: 1.8;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero__actions .btn {
  border-color: var(--line-copper);
  color: var(--paper-50);
}

.page-products .pp-hero__actions .btn:hover {
  border-color: var(--copper-200);
}

.page-products .pp-hero__actions .btn--copper {
  background-color: var(--copper-500);
  border-color: var(--copper-500);
  color: var(--ink-900);
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: rgba(180, 136, 75, 0.34);
  border: 1px solid rgba(180, 136, 75, 0.34);
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  background-color: var(--ink-900);
}

.page-products .pp-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--copper-200);
  letter-spacing: 0.02em;
}

.page-products .pp-stat__label {
  font-size: 0.78rem;
  color: rgba(247, 245, 241, 0.7);
}

/* ---------- 布局与目录锚点 ---------- */
.page-products .layout {
  padding-block: 40px 72px;
}

.page-products .toc__title {
  font-family: var(--font-mono);
  font-size: var(--index);
  letter-spacing: 0.08em;
  color: var(--stone-500);
  margin-bottom: 10px;
}

.page-products .toc__list {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-products .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 2px;
  white-space: nowrap;
  font-size: 0.84rem;
  color: var(--stone-500);
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .toc__link:hover {
  color: var(--ink-900);
}

.page-products .toc__link[aria-current="true"] {
  color: var(--ink-900);
  border-bottom-color: var(--copper-500);
}

.page-products .toc__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--copper-500);
  letter-spacing: 0.04em;
}

/* ---------- 区块骨架 ---------- */
.page-products .pp-section {
  margin-top: 52px;
  padding-top: 44px;
  border-top: var(--pp-hair);
}

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

.page-products .pp-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-products .pp-section__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--copper-500);
  padding-bottom: 2px;
  border-bottom: var(--pp-copper-line);
}

.page-products .pp-section .h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--h2);
  line-height: 1.18;
  color: var(--ink-700);
}

.page-products .pp-section__lede {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--stone-500);
}

.page-products .pp-note {
  margin-top: 22px;
  padding: 12px 16px;
  border-left: 2px solid var(--copper-500);
  background-color: var(--paper-100);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .pp-inline-link {
  margin-top: 12px;
}

.page-products .pp-link {
  font-size: 0.9rem;
  color: var(--ink-500);
  border-bottom: 1px solid var(--line-copper);
  padding-bottom: 2px;
}

.page-products .pp-link:hover {
  color: var(--copper-500);
}

/* ---------- 媒体框 ---------- */
.page-products .pp-media {
  margin: 26px 0 0;
  border: var(--pp-hair);
  background-color: var(--paper-100);
  box-shadow: var(--shadow-1);
}

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

.page-products .pp-media .media__caption {
  padding: 10px 14px;
  border-top: var(--pp-hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--stone-500);
  background-color: var(--paper-50);
}

/* ---------- 五大分类 ---------- */
.page-products .pp-cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background-color: var(--line);
  border: var(--pp-hair);
}

.page-products .pp-cat {
  display: block;
  padding: 20px 18px;
  background-color: var(--paper-50);
  transition: background-color 0.18s var(--ease);
}

.page-products .pp-cat:hover {
  background-color: var(--paper-100);
}

.page-products .pp-cat__count {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--copper-500);
  letter-spacing: 0.02em;
}

.page-products .pp-cat__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink-700);
}

.page-products .pp-cat__text {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--stone-500);
}

.page-products .pp-cat__more {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--line-copper);
  padding-bottom: 2px;
}

/* ---------- 可勾选清单 ---------- */
.page-products .pp-list-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-products .pp-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-list__group {
  margin: 14px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-700);
  padding-left: 2px;
  border-left: 2px solid var(--copper-500);
  padding: 2px 0 2px 10px;
}

.page-products .pp-list__group:first-child {
  margin-top: 0;
}

.page-products .pp-check {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  grid-template-columns: 30px 16px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  font: inherit;
  font-size: 0.88rem;
  line-height: 1.45;
  text-align: left;
  color: var(--ink-900);
  background-color: var(--paper-50);
  border: var(--pp-hair);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .pp-check:hover {
  border-color: var(--line-copper);
  background-color: var(--paper-100);
}

.page-products .pp-check__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--stone-500);
}

.page-products .pp-check__box {
  position: relative;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background-color: var(--paper-50);
}

.page-products .pp-check__label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-products .pp-check__cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--stone-500);
  white-space: nowrap;
}

.page-products .pp-check[data-checked="true"],
.page-products .pp-check[aria-pressed="true"] {
  border-color: var(--copper-500);
  background-color: var(--pp-tint);
}

.page-products .pp-check[data-checked="true"] .pp-check__box,
.page-products .pp-check[aria-pressed="true"] .pp-check__box {
  background-color: var(--copper-500);
  border-color: var(--copper-500);
}

.page-products .pp-check[data-checked="true"] .pp-check__box::after,
.page-products .pp-check[aria-pressed="true"] .pp-check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 1.5px solid var(--paper-50);
  border-bottom: 1.5px solid var(--paper-50);
  transform: rotate(42deg);
}

/* ---------- 清单摘要 ---------- */
.page-products .pp-summary {
  padding: 20px 18px;
  border: var(--pp-copper-line);
  background-color: var(--paper-100);
  box-shadow: var(--shadow-1);
}

.page-products .pp-summary__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink-700);
}

.page-products .pp-summary__desc {
  margin: 10px 0 16px;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--stone-500);
}

.page-products .pp-summary__body {
  border-top: var(--pp-hair);
  border-bottom: var(--pp-hair);
  padding: 6px 0;
}

.page-products .pp-summary__line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 6px 0;
  font-size: 0.84rem;
  color: var(--ink-700);
}

.page-products .pp-summary__key {
  color: var(--stone-500);
}

.page-products .pp-summary__val {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

.page-products .pp-summary .copy-btn {
  margin-top: 16px;
}

.page-products .pp-summary .copy-btn[data-copied="true"] {
  background-color: var(--teal-700);
  border-color: var(--teal-700);
  color: var(--paper-50);
}

/* ---------- 下载三卡 ---------- */
.page-products .pp-dl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pp-dl {
  display: flex;
  flex-direction: column;
  padding: 22px 18px;
  border: var(--pp-hair);
  border-top: 2px solid var(--copper-500);
  background-color: var(--paper-50);
  box-shadow: var(--shadow-1);
}

.page-products .pp-dl__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--copper-500);
}

.page-products .pp-dl__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 500;
  color: var(--ink-700);
}

.page-products .pp-dl__size {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--stone-500);
}

.page-products .pp-dl__text {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .pp-dl__fit {
  margin: auto 0 0;
  padding-top: 16px;
  font-size: 0.8rem;
  color: var(--stone-500);
  border-top: var(--pp-hair);
}

/* ---------- 表格 ---------- */
.page-products .table-wrap {
  margin-top: 26px;
  border: var(--pp-hair);
  background-color: var(--paper-50);
  overflow-x: auto;
}

.page-products .pp-table-caption {
  padding: 10px 14px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--stone-500);
}

.page-products .table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .table th,
.page-products .table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: var(--pp-hair);
}

.page-products .table thead th {
  background-color: var(--ink-700);
  color: var(--paper-50);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .table tbody th {
  font-weight: 500;
  color: var(--ink-700);
  white-space: nowrap;
}

.page-products .table tbody tr:nth-child(even) td {
  background-color: var(--paper-100);
}

.page-products .table .is-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.page-products .pp-diff {
  background-color: var(--pp-tint) !important;
  border-left: 2px solid var(--copper-500);
}

.page-products .pp-ver-table__total th,
.page-products .pp-ver-table__total td {
  border-top: 1px solid var(--line-strong);
  background-color: rgba(16, 80, 74, 0.07);
  font-weight: 500;
}

/* ---------- 规格清单 ---------- */
.page-products .pp-spec {
  margin-top: 26px;
  border: var(--pp-hair);
  background-color: var(--paper-50);
}

.page-products .pp-spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  border-bottom: var(--pp-hair);
}

.page-products .pp-spec__row:last-child {
  border-bottom: 0;
}

.page-products .pp-spec__key {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--copper-500);
}

.page-products .pp-spec__val {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 模板 ---------- */
.page-products .pp-tpl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background-color: var(--line);
  border: var(--pp-hair);
}

.page-products .pp-tpl {
  padding: 18px;
  background-color: var(--paper-50);
}

.page-products .pp-tpl__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
  color: var(--copper-500);
}

.page-products .pp-tpl__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink-700);
}

.page-products .pp-tpl__text {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--stone-500);
}

/* ---------- 五步流程 ---------- */
.page-products .pp-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background-color: var(--line);
  border-left: 2px solid var(--copper-500);
}

.page-products .pp-flow__item {
  padding: 18px;
  background-color: var(--paper-50);
}

.page-products .pp-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-products .pp-flow__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 500;
  color: var(--ink-700);
}

.page-products .pp-flow__text {
  margin: 8px 0 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--stone-500);
}

.page-products .pp-flow__svgwrap {
  display: none;
  margin-top: 22px;
}

.page-products .pp-flowline {
  display: block;
  width: 100%;
  height: 24px;
}

/* ---------- 场景标签 ---------- */
.page-products .pp-scenes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-scene {
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--ink-700);
  background-color: var(--paper-100);
  border: var(--pp-hair);
  border-radius: 2px;
}

.page-products .pp-scene:nth-child(3n + 1) {
  border-color: var(--line-copper);
  color: var(--ink-900);
}

/* ---------- 收尾入口 ---------- */
.page-products .pp-cta {
  margin-top: 52px;
  padding: 28px 20px;
  background-color: var(--ink-900);
  border: var(--pp-copper-line);
}

.page-products .pp-cta__lead {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--paper-50);
}

.page-products .pp-cta__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: rgba(180, 136, 75, 0.3);
  border: 1px solid rgba(180, 136, 75, 0.3);
}

.page-products .pp-cta__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background-color: var(--ink-900);
  transition: background-color 0.18s var(--ease);
}

.page-products .pp-cta__item:hover {
  background-color: var(--ink-700);
}

.page-products .pp-cta__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--copper-200);
}

.page-products .pp-cta__sub {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(247, 245, 241, 0.68);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pp-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pp-spec__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-products .pp-dl-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-left: 0;
    border-top: 2px solid var(--copper-500);
  }

  .page-products .pp-flow__svgwrap {
    display: block;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

  .page-products .pp-list-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
  }

  .page-products .pp-summary {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

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

@media (min-width: 1200px) {
  .page-products .pp-section {
    margin-top: 64px;
    padding-top: 52px;
  }

  .page-products .layout__toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-products .toc__list {
    display: block;
    overflow: visible;
  }

  .page-products .toc__link {
    display: flex;
    width: 100%;
    padding: 9px 0;
    border-bottom: 1px solid transparent;
  }
}

@media (min-width: 1320px) {
  .page-products .pp-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cat,
  .page-products .pp-check,
  .page-products .pp-cta__item,
  .page-products .toc__link {
    transition: none;
  }
}