.page-products {
  --prod-grid: rgba(167, 179, 174, 0.18);
  --prod-shadow: 0 20px 44px -30px rgba(20, 32, 29, 0.55);
  --prod-soft: rgba(20, 32, 29, 0.78);
  background-color: var(--warm-white);
  background-image:
    linear-gradient(to right, var(--prod-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--prod-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products section {
  position: relative;
}

/* ---------- Hero ---------- */
.products-hero {
  position: relative;
  padding: 20px 0 0;
  background: var(--green-deep);
  color: var(--warm-white);
  overflow: hidden;
}

.products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(246, 241, 231, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(246, 241, 231, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.products-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: 40px;
  width: 240px;
  height: 240px;
  background: var(--autumn);
  opacity: 0.14;
  transform: rotate(18deg);
  pointer-events: none;
}

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

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(246, 241, 231, 0.62);
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(246, 241, 231, 0.35);
}

.page-products .breadcrumb__item a {
  color: rgba(246, 241, 231, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 241, 231, 0.28);
}

.page-products .breadcrumb__item a:hover,
.page-products .breadcrumb__item a:focus-visible {
  color: var(--warm-white);
  border-bottom-color: var(--spring);
}

.products-hero__grid {
  display: grid;
  gap: 32px;
}

.products-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--spring);
}

.products-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--warm-white);
}

.products-hero__intro {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.84);
}

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

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0 0 12px 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.24s var(--ease), background-color 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .btn:hover,
.page-products .btn:focus-visible {
  transform: translateY(-2px);
}

.page-products .btn--path {
  background: var(--path);
  color: #fff;
  border-color: var(--path);
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--warm-white);
  border-color: rgba(246, 241, 231, 0.45);
}

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

.page-products .btn--solid {
  background: var(--green-deep);
  color: var(--warm-white);
  border-color: var(--green-deep);
}

.page-products .btn--outline {
  background: transparent;
  color: var(--green-deep);
  border-color: var(--line);
}

.page-products .btn--outline:hover,
.page-products .btn--outline:focus-visible {
  border-color: var(--green-deep);
}

.products-hero__spec {
  background: var(--warm-white);
  color: var(--ink);
  padding: 20px 18px 22px;
  border-top: 6px solid var(--autumn);
  border-radius: 0 0 18px 0;
  box-shadow: var(--prod-shadow);
}

.products-hero__spec-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--indigo);
}

.products-hero__spec ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.products-hero__spec li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.products-hero__spec li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.products-hero__spec .num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  color: var(--green-deep);
  letter-spacing: -0.02em;
}

.products-hero__spec .desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--prod-soft);
}

.products-season-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 8px;
  margin-top: 48px;
}

.products-season-band span:nth-child(1) { background: var(--spring); }
.products-season-band span:nth-child(2) { background: var(--summer); }
.products-season-band span:nth-child(3) { background: var(--autumn); }
.products-season-band span:nth-child(4) { background: var(--winter); }

/* ---------- 通用章节 ---------- */
.products-stack,
.products-resources,
.products-desktop,
.products-devices,
.products-path,
.products-log,
.products-feedback {
  padding: 56px 0;
}

.products-head {
  max-width: 40em;
  margin-bottom: 26px;
}

.products-head__index {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--indigo);
}

.products-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.products-head p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.products-head--onDark h2 { color: var(--warm-white); }
.products-head--onDark p { color: rgba(246, 241, 231, 0.82); }
.products-head--onDark .products-head__index {
  color: var(--winter);
  border-color: rgba(246, 241, 231, 0.35);
}

/* ---------- 四件工具 ---------- */
.products-stack__grid {
  display: grid;
  gap: 16px;
}

.stack-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--card-white);
  border: 1px solid var(--line);
  border-top: 6px solid var(--spring);
  border-radius: 0 0 16px 0;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.stack-card:hover {
  transform: translateY(-3px);
}

.stack-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.stack-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  color: var(--green-deep);
}

.stack-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--prod-soft);
}

.stack-card__scene {
  font-size: 13.5px;
  font-family: var(--font-mono);
  color: var(--wine);
  letter-spacing: 0.01em;
}

.stack-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--path);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  width: fit-content;
  transition: border-color 0.24s var(--ease);
}

.stack-card__link:hover,
.stack-card__link:focus-visible {
  border-bottom-color: var(--path);
}

.stack-card--lead { border-top-color: var(--green-deep); }
.stack-card--lead h3 { font-size: 24px; }
.stack-card--summer { border-top-color: var(--summer); }
.stack-card--autumn { border-top-color: var(--autumn); }
.stack-card--winter { border-top-color: var(--winter); background: var(--mist); }

/* ---------- 资源 ---------- */
.products-media {
  margin: 0 0 28px;
}

.products-media img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0 0 18px 0;
  object-fit: cover;
}

.products-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: rgba(20, 32, 29, 0.6);
}

.products-res__body {
  display: grid;
  gap: 24px;
}

.products-res__stats {
  background: var(--summer);
  color: #fff;
  padding: 24px 20px 26px;
  border-radius: 0 0 18px 0;
  box-shadow: var(--prod-shadow);
}

.products-res__stats-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.72);
}

.products-res__stats-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.products-res__stats-desc {
  margin: 10px 0 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}

.products-res__stats ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  padding-top: 16px;
}

.products-res__stats li {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
}

.products-res__stats strong {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

.products-res__list {
  border-top: 1px solid var(--line);
}

.res-item {
  border-bottom: 1px solid var(--line);
  background: var(--card-white);
}

.res-item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 14px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--ink);
  transition: background-color 0.22s var(--ease);
}

.res-item summary::-webkit-details-marker { display: none; }

.res-item summary:hover { background: rgba(127, 174, 99, 0.1); }

.res-item summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--indigo);
  border-bottom: 2px solid var(--indigo);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease);
}

.res-item[open] summary::after { transform: rotate(-135deg); }

.res-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo);
}

.res-item__name { position: relative; padding-left: 14px; }

.res-item__name::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 18px;
  transform: translateY(-50%);
  background: var(--spring);
}

.res-item--summer .res-item__name::before { background: var(--summer); }
.res-item--autumn .res-item__name::before { background: var(--autumn); }
.res-item--winter .res-item__name::before { background: var(--winter); }
.res-item--indigo .res-item__name::before { background: var(--indigo); }
.res-item--wine .res-item__name::before { background: var(--wine); }

.res-item__body {
  padding: 0 14px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.products-format {
  margin-top: 30px;
  display: grid;
  gap: 20px;
  padding: 22px 20px;
  background: var(--mist);
  border-left: 6px solid var(--summer);
  border-radius: 0 0 16px 0;
}

.products-format h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 19px;
  color: var(--green-deep);
}

.products-format p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.products-format p:last-child { margin-bottom: 0; }

.products-format__media { margin: 0; }

.products-format__media img {
  width: 100%;
  border-radius: 0 0 14px 0;
  border: 1px solid var(--line);
  object-fit: cover;
}

/* ---------- 桌面端 ---------- */
.products-desktop {
  background: linear-gradient(180deg, rgba(200, 107, 44, 0) 0%, rgba(200, 107, 44, 0.09) 100%);
}

.products-desktop__grid {
  display: grid;
  gap: 30px;
}

.products-version {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(52px, 14vw, 96px);
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--autumn);
}

.products-desktop__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(23px, 3.8vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.products-desktop__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.products-caps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 0 0 14px 0;
  overflow: hidden;
}

.products-caps li {
  background: var(--card-white);
  padding: 16px;
}

.products-caps h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 16px;
  color: var(--green-deep);
}

.products-caps h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--autumn);
  transform: rotate(45deg);
  vertical-align: 2px;
}

.products-caps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--prod-soft);
}

.products-note {
  margin-top: 22px;
  background: var(--card-white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--autumn);
  border-radius: 0 0 14px 0;
}

.products-note summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--green-deep);
}

.products-note summary::-webkit-details-marker { display: none; }

.products-note summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--autumn);
  line-height: 1;
}

.products-note[open] summary::after { content: "−"; }

.products-note__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.products-note__body p { margin: 0 0 10px; }
.products-note__body p:last-child { margin-bottom: 0; }

.products-note__body a {
  color: var(--summer);
  text-decoration: none;
  border-bottom: 1px solid var(--summer);
}

.products-desktop__media {
  margin: 0;
}

.products-desktop__media img {
  width: 100%;
  border: 1px solid var(--line);
  border-top: 6px solid var(--autumn);
  border-radius: 0 0 18px 0;
  object-fit: cover;
  box-shadow: var(--prod-shadow);
}

.products-desktop__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(20, 32, 29, 0.6);
}

/* ---------- 设备 ---------- */
.products-devices__grid {
  display: grid;
  gap: 28px;
}

.products-devices__panels {
  display: grid;
  gap: 14px;
}

.device-card {
  padding: 18px 18px 20px;
  background: var(--card-white);
  border: 1px solid var(--line);
  border-left: 6px solid var(--autumn);
  border-radius: 0 0 14px 0;
}

.device-card--winter { border-left-color: var(--winter); background: var(--mist); }
.device-card--spring { border-left-color: var(--spring); }

.device-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 17px;
  color: var(--green-deep);
}

.device-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--prod-soft);
}

.products-note--systems { margin-top: 4px; border-left-color: var(--indigo); }
.products-note--systems summary::after { color: var(--indigo); }

.products-devices__media { margin: 0; }

.products-devices__media img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0 0 18px 0;
  object-fit: cover;
}

.products-devices__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(20, 32, 29, 0.6);
}

/* ---------- 两步路径 ---------- */
.products-path {
  background: var(--green-deep);
  color: var(--warm-white);
  overflow: hidden;
}

.products-path::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(246, 241, 231, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(246, 241, 231, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

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

.products-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.path-step {
  position: relative;
  background: var(--card-white);
  color: var(--ink);
  padding: 24px 20px 26px;
  border-top: 6px solid var(--path);
  border-radius: 0 0 18px 0;
  box-shadow: var(--prod-shadow);
}

.path-step + .path-step { border-top-color: var(--summer); }

.path-step__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  background: var(--path);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  border-radius: 0 0 8px 0;
}

.path-step + .path-step .path-step__no { background: var(--summer); }

.path-step h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.4;
  color: var(--green-deep);
}

.path-step p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.path-step__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 更新记录 ---------- */
.products-log__grid {
  display: grid;
  gap: 30px;
}

.products-log__summary h2 {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.products-log__summary p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--prod-soft);
}

.log-stats {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 0 0 14px 0;
  overflow: hidden;
}

.log-stats li {
  background: var(--warm-white);
  padding: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--prod-soft);
}

.log-stats .num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 24px;
  line-height: 1;
  color: var(--indigo);
  letter-spacing: -0.02em;
}

.products-log__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--mist);
}

.products-log__list li {
  position: relative;
  padding: 0 0 22px;
}

.products-log__list li:last-child { padding-bottom: 0; }

.products-log__list li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--autumn);
  transform: rotate(45deg);
}

.products-log__time {
  display: inline-block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

.products-log__list h3 {
  margin: 0 0 5px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  color: var(--green-deep);
}

.products-log__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--prod-soft);
}

/* ---------- 反馈 ---------- */
.products-feedback {
  background: var(--mist);
}

.products-feedback__grid {
  display: grid;
  gap: 30px;
}

.feedback-kinds {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.feedback-kinds li {
  padding: 13px 15px;
  background: var(--card-white);
  border-left: 4px solid var(--winter);
  border-radius: 0 0 12px 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--prod-soft);
}

.feedback-kinds li:nth-child(2) { border-left-color: var(--spring); }
.feedback-kinds li:nth-child(3) { border-left-color: var(--indigo); }

.feedback-kinds strong {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  color: var(--green-deep);
}

.products-contact {
  padding: 20px;
  background: var(--green-deep);
  color: var(--warm-white);
  border-radius: 0 0 16px 0;
}

.products-contact__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--winter);
}

.products-contact a[href^="mailto"] {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--warm-white);
  text-decoration: none;
  border-bottom: 1px solid var(--spring);
}

.products-contact a[href^="mailto"]:hover,
.products-contact a[href^="mailto"]:focus-visible {
  border-bottom-color: var(--path);
}

.products-contact__phone {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--warm-white);
}

.products-contact__note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.78);
}

.page-products .products-contact .btn--solid {
  background: var(--path);
  border-color: var(--path);
  color: #fff;
}

.products-feedback__media { margin: 0; }

.products-feedback__media img {
  width: 100%;
  border: 1px solid var(--line);
  border-top: 6px solid var(--winter);
  border-radius: 0 0 18px 0;
  object-fit: cover;
  box-shadow: var(--prod-shadow);
}

.products-feedback__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(20, 32, 29, 0.6);
}

/* ---------- 焦点态 ---------- */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--path);
  outline-offset: 3px;
}

.page-products .products-path a:focus-visible,
.page-products .products-path summary:focus-visible {
  outline-color: var(--spring);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .products-format {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 26px;
    padding: 24px;
  }

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

  .log-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .products-hero {
    padding-top: 26px;
  }

  .products-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 40px;
  }

  .products-stack,
  .products-resources,
  .products-desktop,
  .products-devices,
  .products-path,
  .products-log,
  .products-feedback {
    padding: 78px 0;
  }

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

  .stack-card--lead { grid-column: span 2; }

  .products-path__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .path-step + .path-step {
    margin-left: 0;
  }

  .path-step + .path-step::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 54px;
    width: 28px;
    height: 2px;
    background: var(--path);
    transform: rotate(-22deg);
    transform-origin: left center;
  }
}

@media (min-width: 960px) {
  .products-hero__spec {
    padding: 24px 22px 26px;
  }

  .products-stack,
  .products-resources,
  .products-desktop,
  .products-devices,
  .products-path,
  .products-log,
  .products-feedback {
    padding: 96px 0;
  }

  .products-stack__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
  }

  .stack-card--lead {
    grid-column: span 5;
    grid-row: span 2;
  }

  .stack-card--summer { grid-column: span 7; }
  .stack-card--autumn { grid-column: span 4; }
  .stack-card--winter { grid-column: span 3; }

  .products-res__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 36px;
    align-items: start;
  }

  .products-res__stats {
    position: sticky;
    top: 96px;
    padding: 28px 24px 30px;
  }

  .products-res__stats-num { font-size: 54px; }

  .products-desktop__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: center;
  }

  .products-devices__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .products-log__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .products-feedback__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .products-hero h1 {
    max-width: 14em;
  }

  .products-hero__intro {
    font-size: 17.5px;
  }

  .products-format {
    padding: 28px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .page-products .btn:hover,
  .page-products .stack-card:hover {
    transform: none;
  }
}
<<<END>>>