.page-products {
  --product-card-shadow: 8px 8px 0 var(--c-grayblue);
  max-width: 100%;
  overflow-x: clip;
  font-family: var(--font-body);
}

/* 面包屑 */
.page-products__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  max-width: 1200px;
  margin-inline: auto;
  padding: 16px 20px 0;
  font-family: var(--font-tech);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-muted);
}
.page-products__breadcrumb a {
  color: var(--c-blue);
  text-decoration: none;
}
.page-products__breadcrumb a:hover {
  color: var(--c-orange-deep);
  text-decoration: underline;
}

/* 首屏：框景 + 手机轮廓 */
.download-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px 44px;
  align-items: center;
  max-width: 1200px;
  margin-inline: auto;
  padding: 34px 20px 68px;
  overflow: hidden;
}
.phone-shell {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: min(250px, 66vw);
  background: var(--c-deep);
  border: 4px solid var(--c-deep);
  border-radius: 30px;
  padding: 10px;
  box-shadow: 10px 10px 0 var(--c-blue), 18px 18px 0 var(--c-grayblue);
  transform: rotate(-2deg);
  margin-bottom: 24px;
}
.phone-shell::after {
  content: "6686";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%) skewX(-4deg);
  background: var(--c-orange);
  color: var(--c-snow);
  font-family: var(--font-tech);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
  padding: 3px 12px;
  border: 2px solid var(--c-deep);
  white-space: nowrap;
}
.phone-shell img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}
.download-hero__content {
  position: relative;
  z-index: 1;
}
.download-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-tech);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.download-hero__kicker::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--c-orange);
}
.download-hero h1 {
  margin: 0 0 8px;
  font-weight: 900;
  font-size: clamp(42px, 11vw, 92px);
  line-height: .95;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--c-deep);
  transform: skewX(-4deg);
}
.download-hero__sub {
  margin: 0 0 18px;
  font-family: var(--font-tech);
  font-size: 15px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-blue);
}
.download-hero__lead {
  margin: 0 0 26px;
  max-width: 34em;
  line-height: 1.75;
  color: var(--c-ink);
}
.download-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.download-hero__actions .button {
  flex: 1 1 180px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  display: inline-flex;
}
.download-hero__meta {
  margin: 20px 0 0;
  font-family: var(--font-tech);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}
.download-hero__meta a {
  color: var(--c-orange-deep);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-orange-deep);
}
.hero-decor {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .55;
}
.hero-decor path {
  fill: none;
  stroke: var(--c-grayblue);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}
.hero-decor path:nth-child(2) {
  stroke: var(--c-orange);
  stroke-dasharray: 4 8;
  opacity: .7;
}
.page-products__stamp {
  position: absolute;
  right: -12px;
  bottom: 6px;
  z-index: 0;
  font-family: var(--font-tech);
  font-weight: 900;
  font-size: clamp(80px, 22vw, 220px);
  line-height: .85;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-grayblue);
  opacity: .55;
  pointer-events: none;
  letter-spacing: -.04em;
  transform: skewX(-6deg);
}

/* 移动端入口卡 */
.entry-deck {
  padding: 50px 20px;
  background: var(--c-paper);
  border-block: 3px solid var(--c-blue);
}
.entry-deck__inner {
  max-width: 1200px;
  margin-inline: auto;
}
.entry-deck .section__kicker {
  color: var(--c-deep);
}
.entry-deck__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.entry-card {
  position: relative;
  background: var(--c-snow);
  border: 3px solid var(--c-deep);
  box-shadow: var(--product-card-shadow);
  padding: 22px;
  scroll-margin-top: 24px;
}
.entry-card:target {
  border-color: var(--c-orange);
  box-shadow: 8px 8px 0 var(--c-orange);
}
.entry-card__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.entry-card__tag {
  align-self: flex-start;
  background: var(--c-deep);
  color: var(--c-snow);
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: .1em;
  padding: 4px 8px;
  transform: skewX(-4deg);
}
.entry-card__title {
  margin: 0;
  font-size: 20px;
  color: var(--c-deep);
}
.entry-card__desc {
  margin: 0 0 14px;
  line-height: 1.65;
  color: var(--c-ink);
}
.entry-card__url {
  display: block;
  margin-bottom: 10px;
  padding: 12px 14px;
  background: var(--c-deep);
  color: var(--c-sand);
  font-family: var(--font-tech);
  font-size: 14px;
  overflow-wrap: anywhere;
  border-left: 6px solid var(--c-orange);
}
.entry-card__tip {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-muted);
}
.entry-card__details {
  border-top: 1px dashed var(--c-grayblue);
  padding-top: 10px;
  margin-top: 12px;
}
.entry-card__details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--c-blue);
  list-style: none;
}
.entry-card__details summary::-webkit-details-marker {
  display: none;
}
.entry-card__details summary::before {
  content: "+ ";
  color: var(--c-orange);
  font-family: var(--font-tech);
}
.entry-card__details[open] summary::before {
  content: "– ";
}
.entry-card__details ol {
  margin: 12px 0 4px;
  padding-left: 22px;
  line-height: 1.8;
  color: var(--c-ink);
}

/* 使用工具内容目录对照 */
.directory-tree {
  margin-top: 28px;
  border: 3px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: 8px 8px 0 var(--c-blue);
  padding: 18px 20px;
}
.directory-tree__title {
  display: block;
  font-family: var(--font-tech);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-orange-deep);
  margin-bottom: 12px;
}
.directory-tree__title::before {
  content: "TREE / ";
  color: var(--c-blue);
}
.directory-tree__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.directory-tree__list li {
  position: relative;
  padding-left: 34px;
  font-family: var(--font-tech);
  font-size: 15px;
  line-height: 1.6;
}
.directory-tree__list li::before {
  content: "└";
  position: absolute;
  left: 8px;
  color: var(--c-orange);
}
.directory-tree__list a {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-grayblue);
}
.directory-tree__list a:hover {
  color: var(--c-orange-deep);
  border-color: var(--c-orange);
}

/* 功能矩阵 */
.matrix-section {
  padding: 50px 20px;
  max-width: 1200px;
  margin-inline: auto;
}
.matrix-layout {
  display: grid;
  gap: 26px;
  margin-top: 28px;
  align-items: start;
}
.matrix-visual {
  margin: 0;
  border: 3px solid var(--c-deep);
  box-shadow: 10px 10px 0 var(--c-sand);
  overflow: hidden;
  background: var(--c-deep);
}
.matrix-visual img {
  display: block;
  width: 100%;
  height: auto;
}
.matrix-visual figcaption {
  padding: 10px 14px;
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-sand);
  background: var(--c-deep);
}
.matrix-table-wrap {
  overflow-x: auto;
  border: 3px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: 8px 8px 0 var(--c-blue);
}
.matrix-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}
.matrix-table th,
.matrix-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-grayblue);
  text-align: left;
  vertical-align: top;
}
.matrix-table thead th {
  background: var(--c-deep);
  color: var(--c-snow);
  font-family: var(--font-tech);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.matrix-table tbody tr:nth-child(even) {
  background: var(--c-paper);
}
.matrix-table tbody tr:hover {
  background: var(--c-sand);
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}
.matrix-table tbody th {
  font-weight: 700;
  color: var(--c-deep);
  min-width: 12em;
}
.matrix-table td {
  color: var(--c-ink);
  line-height: 1.6;
  font-size: 15px;
}
.matrix-table td:last-child {
  font-family: var(--font-tech);
  font-weight: 700;
  color: var(--c-blue);
  white-space: nowrap;
}

/* 积分兑换工具 */
.points-section {
  position: relative;
  background: var(--c-deep);
  color: var(--c-snow);
  padding: 52px 20px;
  border-block: 3px solid var(--c-orange);
}
.points-section__inner {
  max-width: 1200px;
  margin-inline: auto;
}
.points-section .section__kicker {
  color: var(--c-sand);
}
.points-section .section__title {
  color: var(--c-snow);
}
.points-section .section__lead {
  color: var(--c-grayblue);
}
.points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 28px;
  align-items: center;
}
.points-visual {
  margin: 0;
  border: 3px solid var(--c-snow);
  box-shadow: 10px 10px 0 rgba(231, 216, 184, .28);
  overflow: hidden;
}
.points-visual img {
  display: block;
  width: 100%;
  height: auto;
}
.points-visual figcaption {
  padding: 10px 14px;
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-grayblue);
  background: rgba(255, 255, 255, .08);
}
.points-path {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: pts;
}
.points-path li {
  counter-increment: pts;
  position: relative;
  padding-left: 42px;
  line-height: 1.6;
  color: var(--c-snow);
}
.points-path li::before {
  content: "0" counter(pts);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-tech);
  font-weight: 800;
  font-size: 13px;
  color: var(--c-orange);
  background: var(--c-snow);
  border: 2px solid var(--c-orange);
  padding: 2px 5px;
}
.points-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 20px;
  padding: 18px 0;
  border-block: 2px dashed rgba(215, 225, 232, .4);
}
.points-facts div {
  text-align: center;
}
.points-facts dt {
  font-size: 12px;
  color: var(--c-grayblue);
  letter-spacing: .06em;
}
.points-facts dd {
  margin: 4px 0 0;
  font-family: var(--font-tech);
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 900;
  color: var(--c-orange);
}
.points-note {
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 2px dashed var(--c-orange);
  background: rgba(232, 105, 47, .12);
  color: var(--c-snow);
  font-size: 14px;
  line-height: 1.6;
}
.points-more {
  margin: 0;
  color: var(--c-grayblue);
  font-size: 15px;
}
.points-more a {
  color: var(--c-sand);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-orange);
}
.points-more a:hover {
  color: var(--c-snow);
}

/* 版本演进 */
.version-section {
  padding: 52px 20px;
  background: var(--c-paper);
}
.version-section__inner {
  max-width: 1200px;
  margin-inline: auto;
}
.version-layout {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}
.version-visual {
  margin: 0;
  border: 3px solid var(--c-deep);
  box-shadow: 10px 10px 0 var(--c-grayblue);
  transform: rotate(.6deg);
  overflow: hidden;
}
.version-visual img {
  display: block;
  width: 100%;
  height: auto;
}
.version-visual figcaption {
  padding: 10px 14px;
  font-size: 12px;
  font-family: var(--font-tech);
  letter-spacing: .08em;
  color: var(--c-muted);
  background: var(--c-snow);
  border-top: 2px solid var(--c-grayblue);
}
.version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.version-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  border-left: 4px solid var(--c-blue);
  padding-left: 16px;
}
.version-tag {
  align-self: start;
  justify-self: start;
  font-family: var(--font-tech);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-snow);
  background: var(--c-deep);
  padding: 7px 8px;
  border: 2px solid var(--c-deep);
  box-shadow: 3px 3px 0 var(--c-orange);
  transform: skewX(-4deg);
  white-space: nowrap;
}
.version-item__text h3 {
  margin: 0 0 4px;
  font-size: 18px;
  color: var(--c-deep);
}
.version-item__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-muted);
}
.version-details {
  margin-top: 30px;
  border: 3px solid var(--c-deep);
  background: var(--c-snow);
  box-shadow: 6px 6px 0 var(--c-orange);
  padding: 14px 18px;
}
.version-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--c-deep);
  list-style: none;
}
.version-details summary::-webkit-details-marker {
  display: none;
}
.version-details summary::before {
  content: "LOG / ";
  font-family: var(--font-tech);
  color: var(--c-orange-deep);
  font-size: 13px;
}
.version-details p {
  margin: 12px 0 0;
  line-height: 1.7;
  color: var(--c-ink);
}

/* 适合使用场景 */
.scenario-section {
  padding: 52px 0;
  background: var(--c-blue);
  color: var(--c-snow);
}
.scenario-section__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding: 0 20px;
}
.scenario-section .section__kicker {
  color: var(--c-sand);
}
.scenario-section .section__title {
  color: var(--c-snow);
}
.scenario-section .section__lead {
  color: var(--c-grayblue);
}
.scenario-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 28px 20px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--c-orange) var(--c-deep);
}
.scenario-track::-webkit-scrollbar {
  height: 8px;
}
.scenario-track::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, .15);
}
.scenario-track::-webkit-scrollbar-thumb {
  background: var(--c-orange);
}
.scenario-card {
  scroll-snap-align: start;
  flex: 0 0 min(240px, 80vw);
  border: 2px solid var(--c-snow);
  background: rgba(255, 255, 255, .08);
  padding: 20px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.scenario-card__num {
  font-family: var(--font-tech);
  font-size: 13px;
  color: var(--c-sand);
}
.scenario-card h3 {
  margin: 0;
  font-size: 18px;
  color: var(--c-snow);
}
.scenario-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-grayblue);
}
.add-homescreen {
  max-width: 1200px;
  margin-inline: auto;
  padding: 0 20px;
  display: grid;
  gap: 22px;
}
.add-homescreen__text h3 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--c-snow);
}
.add-homescreen__text p {
  margin: 0 0 10px;
  line-height: 1.7;
  color: var(--c-grayblue);
}
.add-homescreen__note {
  font-size: 14px;
  color: var(--c-sand);
}
.add-homescreen__note a {
  color: var(--c-snow);
  text-decoration: underline dotted;
}
.add-homescreen__note a:hover {
  color: var(--c-sand);
}
.add-homescreen__photo {
  margin: 0;
  border: 3px solid var(--c-snow);
  box-shadow: 10px 10px 0 var(--c-deep);
  overflow: hidden;
}
.add-homescreen__photo img {
  display: block;
  width: 100%;
  height: auto;
}
.add-homescreen__photo figcaption {
  padding: 8px 12px;
  background: rgba(15, 42, 67, .85);
  color: var(--c-snow);
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: .06em;
}

/* 桌面端分栏节奏 */
@media (min-width: 720px) {
  .add-homescreen {
    grid-template-columns: 1fr 1.4fr;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .download-hero {
    grid-template-columns: minmax(320px, 420px) 1fr;
  }
  .matrix-layout {
    grid-template-columns: 320px 1fr;
  }
  .version-layout {
    grid-template-columns: minmax(300px, 440px) 1fr;
    align-items: start;
  }
}