.page-products {
  --pp-pad: clamp(18px, 3vw, 28px);
  display: block;
}

/* 面包屑 */
.page-products .breadcrumb {
  margin: clamp(20px, 4vw, 40px) 0 clamp(24px, 4vw, 44px);
}

/* ============ 首屏 ============ */
.page-products .pp-hero {
  border-top: 1px solid var(--c-orbit);
  padding-top: clamp(28px, 5vw, 52px);
}

.page-products .pp-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-grey);
  margin: 0 0 clamp(16px, 2.5vw, 24px);
}

.page-products .pp-hero__title {
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.08;
  color: var(--c-white);
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 16ch;
}

.page-products .pp-hero__lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-white);
  opacity: 0.88;
  max-width: 38em;
  margin: 0 0 clamp(28px, 4vw, 42px);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
}

.page-products .pp-hero__link {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-draw) linear, color var(--t-draw) linear;
}

.page-products .pp-hero__link:hover {
  border-bottom-color: currentColor;
}

.page-products .pp-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-orbit);
  border: 1px solid var(--c-orbit);
  margin: clamp(36px, 6vw, 64px) 0 0;
  padding: 0;
}

.page-products .pp-hero__fig {
  background: var(--c-deep);
  padding: 16px 18px;
}

.page-products .pp-hero__fig dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-grey);
  margin: 0;
}

.page-products .pp-hero__fig dd {
  margin: 8px 0 0;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1;
  color: var(--c-white);
}

/* ============ 章节头 ============ */
.page-products .pp-sec-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(32px, 5vw, 52px);
  padding-top: 18px;
  border-top: 1px solid var(--c-orbit);
}

.page-products .pp-sec-head .idx {
  color: var(--c-violet-soft);
}

.page-products .pp-sec-head__title {
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 0;
  color: var(--c-white);
}

.page-products .pp-sec-head__note {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
  margin: 0;
  max-width: 34em;
}

/* ============ 通用文字链接 ============ */
.page-products .pp-textlink {
  color: var(--c-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-draw) linear;
}

.page-products .pp-textlink:hover {
  border-bottom-color: currentColor;
}

/* ============ 01 入口领取 ============ */
.page-products .pp-entry-group {
  margin-bottom: clamp(34px, 5vw, 52px);
}

.page-products .pp-entry-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--c-violet-soft);
  margin: 0 0 18px;
}

.page-products .pp-entry-group__title .mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--c-violet);
  font-size: 11px;
  letter-spacing: 0;
  flex: none;
}

.page-products .pp-entry-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--c-orbit);
}

.page-products .pp-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-entry {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pp-pad);
  border: 1px solid var(--c-orbit);
  background: linear-gradient(180deg, rgba(21, 27, 48, 0.72), rgba(11, 16, 32, 0.55));
  transition: border-color var(--t-fast) linear, background-color var(--t-fast) linear;
}

.page-products .pp-entry:hover {
  border-color: var(--c-violet-soft);
}

.page-products .pp-entry__name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--c-white);
  margin: 0;
}

.page-products .pp-entry__desc {
  flex: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
  margin: 0;
}

.page-products .pp-entry__go {
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-draw) linear;
}

.page-products .pp-entry__go:hover {
  border-bottom-color: currentColor;
}

.page-products .pp-entry-figure {
  margin: clamp(32px, 5vw, 52px) 0 0;
}

/* ============ 02 固定访问 ============ */
.page-products .pp-path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-orbit);
  border: 1px solid var(--c-orbit);
}

.page-products .pp-path {
  background: var(--c-deep-2);
  padding: clamp(22px, 3vw, 30px);
  transition: background-color var(--t-fast) linear;
}

.page-products .pp-path:hover {
  background: var(--c-glass);
}

.page-products .pp-path .idx {
  display: block;
  margin-bottom: 14px;
  color: var(--c-violet-soft);
  font-size: 12px;
}

.page-products .pp-path h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 10px;
}

.page-products .pp-path p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
  margin: 0;
  max-width: 30em;
}

/* ============ 03 技能树 ============ */
.page-products .pp-tree {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  margin-bottom: clamp(32px, 5vw, 52px);
}

.page-products .pp-tree__trunk {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-tree__node {
  position: relative;
  padding: 0 0 30px 32px;
}

.page-products .pp-tree__node:last-child {
  padding-bottom: 0;
}

.page-products .pp-tree__node::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 18px;
  bottom: 0;
  width: 1px;
  background: var(--c-orbit);
}

.page-products .pp-tree__node:last-child::before {
  display: none;
}

.page-products .pp-tree__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-violet);
  box-shadow: 0 0 10px rgba(108, 77, 255, 0.75);
}

.page-products .pp-tree__node h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 6px;
}

.page-products .pp-tree__node p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-grey);
  margin: 0;
}

.page-products .pp-tree__branches {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-branch {
  border: 1px solid var(--c-orbit);
  border-left-width: 2px;
  padding: var(--pp-pad);
  background: linear-gradient(180deg, rgba(21, 27, 48, 0.6), rgba(5, 7, 15, 0.2));
  transition: border-color var(--t-fast) linear;
}

.page-products .pp-branch:hover {
  border-color: var(--c-violet-soft);
  border-left-color: var(--c-violet);
}

.page-products .pp-branch h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 8px;
}

.page-products .pp-branch p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
  margin: 0 0 12px;
}

.page-products .pp-branch .pp-textlink {
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .pp-tree-figure {
  margin: 0;
}

/* ============ 04 版本对照 ============ */
.page-products .pp-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pp-version__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--c-orbit);
}

.page-products .pp-version__list li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-orbit);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-white);
}

.page-products .pp-version__list .mono {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-violet-soft);
}

.page-products .pp-version__body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
  margin: 0 0 16px;
  max-width: 34em;
}

.page-products .pp-version__figure {
  margin: 0;
}

/* ============ 05 资源导出 ============ */
.page-products .pp-export {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-format {
  border: 1px solid var(--c-orbit);
  border-top-width: 3px;
  background: var(--c-deep-2);
  padding: clamp(22px, 3vw, 28px) var(--pp-pad);
  transition: border-color var(--t-fast) linear;
}

.page-products .pp-format--csv {
  border-top-color: var(--c-violet);
}

.page-products .pp-format--json {
  border-top-color: var(--c-aurora);
}

.page-products .pp-format--md {
  border-top-color: var(--c-orange);
}

.page-products .pp-format__badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 5px 10px;
  border: 1px solid var(--c-orbit);
  color: var(--c-white);
  margin-bottom: 16px;
}

.page-products .pp-format--csv .pp-format__badge {
  color: var(--c-violet-soft);
  border-color: var(--c-violet);
}

.page-products .pp-format--json .pp-format__badge {
  color: var(--c-aurora);
  border-color: var(--c-aurora);
}

.page-products .pp-format--md .pp-format__badge {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-products .pp-format h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 10px;
}

.page-products .pp-format p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
  margin: 0;
}

.page-products .pp-export__foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .pp-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding: 18px 20px;
  border: 1px solid var(--c-orbit);
  background: rgba(21, 27, 48, 0.42);
}

.page-products .pp-copy__spec {
  flex: 1 1 220px;
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-products .pp-copy__btn {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-white);
  background: transparent;
  border: 1px solid var(--c-orbit);
  padding: 9px 16px;
  cursor: pointer;
  transition: border-color var(--t-fast) linear, color var(--t-fast) linear;
}

.page-products .pp-copy__btn:hover {
  border-color: var(--c-violet-soft);
  color: var(--c-violet-soft);
}

.page-products .pp-copy__btn[data-copied] {
  border-color: var(--c-aurora);
  color: var(--c-aurora);
}

.page-products .pp-export__figure {
  margin: 0;
}

/* ============ 06 下载资源包 ============ */
.page-products .pp-ends {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pp-end {
  border: 1px solid var(--c-orbit);
  background: var(--c-deep-2);
  padding: var(--pp-pad);
  transition: border-color var(--t-fast) linear, background-color var(--t-fast) linear;
}

.page-products .pp-end:hover {
  border-color: var(--c-violet-soft);
  background: var(--c-glass);
}

.page-products .pp-end__glyph {
  position: relative;
  display: block;
  width: 34px;
  height: 24px;
  border: 1px solid var(--c-orbit);
  margin-bottom: 18px;
  transition: border-color var(--t-fast) linear;
}

.page-products .pp-end:hover .pp-end__glyph {
  border-color: var(--c-violet);
}

.page-products .pp-end__glyph::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  height: 1px;
  background: var(--c-orbit);
}

.page-products .pp-end:nth-child(2) .pp-end__glyph,
.page-products .pp-end:nth-child(3) .pp-end__glyph {
  width: 40px;
  height: 26px;
}

.page-products .pp-end:nth-child(4) .pp-end__glyph {
  width: 20px;
  height: 30px;
}

.page-products .pp-end h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 10px;
}

.page-products .pp-end p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
  margin: 0 0 16px;
}

.page-products .pp-end__size {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-violet-soft);
}

.page-products .pp-ends-figure {
  margin: 0;
}

/* ============ 07 三步清单 ============ */
.page-products .pp-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-orbit);
  border: 1px solid var(--c-orbit);
}

.page-products .pp-step {
  background: var(--c-deep-2);
  padding: clamp(22px, 3vw, 30px);
}

.page-products .pp-step h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-white);
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-orbit);
}

.page-products .pp-step__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-step__list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-grey);
}

.page-products .pp-step__num {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-violet-soft);
}

/* ============ 08 常见阻碍 ============ */
.page-products .pp-fix {
  display: grid;
  gap: 10px;
}

.page-products .pp-fix__item {
  border: 1px solid var(--c-orbit);
  background: rgba(11, 16, 32, 0.62);
  transition: border-color var(--t-fast) linear;
}

.page-products .pp-fix__item:hover {
  border-color: var(--c-violet-soft);
}

.page-products .pp-fix__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 15px;
  color: var(--c-white);
  cursor: pointer;
  list-style: none;
}

.page-products .pp-fix__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-fix__item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-violet-soft);
  flex: none;
}

.page-products .pp-fix__item[open] summary::after {
  content: "\2212";
}

.page-products .pp-fix__item p {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey);
  max-width: 58em;
}

.page-products .pp-tail {
  margin: clamp(36px, 5vw, 60px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--c-orbit);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
  max-width: 46em;
}

/* ============ 媒体查询 ============ */
@media (min-width: 560px) {
  .page-products .pp-ends {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .pp-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 860px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-sec-head {
    grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px 24px;
    align-items: start;
  }

  .page-products .pp-sec-head .idx {
    grid-column: 1;
  }

  .page-products .pp-sec-head__title {
    grid-column: 2;
  }

  .page-products .pp-sec-head__note {
    grid-column: 3;
  }
}

@media (min-width: 900px) {
  .page-products .pp-export__foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pp-version {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
    gap: 48px;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-tree {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 56px;
  }

  .page-products .pp-ends {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .pp-entry-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-hero__link,
  .page-products .pp-textlink,
  .page-products .pp-entry,
  .page-products .pp-entry__go,
  .page-products .pp-path,
  .page-products .pp-branch,
  .page-products .pp-format,
  .page-products .pp-copy__btn,
  .page-products .pp-end,
  .page-products .pp-end__glyph,
  .page-products .pp-fix__item {
    transition: none;
  }
}