.page-products {
  --pp-hair: rgba(46, 58, 74, 0.16);
  --pp-hair-dark: rgba(201, 240, 228, 0.22);
  --pp-dash: rgba(46, 58, 74, 0.24);
}

.page-products .prod-hero {
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(1.6rem, 4vw, 2.8rem);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .prod-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.55rem 0 0.9rem;
  max-width: 20ch;
}

.page-products .prod-hero .lede {
  max-width: 56ch;
  font-size: clamp(1rem, 2.1vw, 1.08rem);
  line-height: 1.78;
  color: var(--slate);
  margin: 0;
}

.page-products .prod-sub {
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--slate);
  margin: 0.75rem 0 0;
}

.page-products .prod-sub + .prod-sub {
  margin-top: 0.65rem;
}

.page-products h2 {
  font-family: var(--font-title);
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0.4rem 0 0;
  max-width: 26ch;
}

.page-products .prod-figure {
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
}

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

/* 入口色带 */
.page-products .entry-strip {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.page-products .entry-strip__item {
  position: relative;
  padding: 1.55rem 1.15rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-products .entry-strip__item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  background: var(--accent, var(--amber));
}

.page-products .entry-strip__item:nth-child(1) { --accent: var(--amber); }
.page-products .entry-strip__item:nth-child(2) { --accent: var(--jade); }
.page-products .entry-strip__item:nth-child(3) { --accent: var(--ink-3); }
.page-products .entry-strip__item:nth-child(4) { --accent: var(--amber-soft); }

.page-products .entry-strip__item:hover,
.page-products .entry-strip__item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(242, 163, 58, 0.65);
  box-shadow: 0 16px 32px -20px rgba(11, 27, 51, 0.6);
}

.page-products .entry-strip__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--amber-soft);
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
}

.page-products .entry-strip__item h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--ink);
  margin: 0.7rem 0 0.45rem;
}

.page-products .entry-strip__item p {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--slate);
  margin: 0 0 0.9rem;
}

.page-products .entry-strip__item .tag {
  margin: 0 0.35rem 0.35rem 0;
}

/* 分类映射 */
.page-products .split {
  display: grid;
  gap: 1.5rem;
}

.page-products .split__text h2 {
  margin-top: 0.4rem;
}

.page-products .split__fig {
  margin: 0;
}

.page-products .cluster-grid {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.page-products .cluster {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  padding: 1rem 1.05rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
}

.page-products .cluster__code {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: #1F6B58;
  background: var(--jade-soft);
  padding: 0.16rem 0.48rem;
  border-radius: var(--r-sm);
}

.page-products .cluster h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--ink);
  margin: 0.1rem 0 0;
}

.page-products .cluster p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate);
  margin: 0;
}

/* 玩法三条线 */
.page-products .playbook {
  margin-top: 1.4rem;
}

.page-products .playbook__row {
  display: grid;
  gap: 0.7rem;
  padding: 1.4rem 0;
  border-top: 1px dashed var(--pp-dash);
}

.page-products .playbook__row:last-child {
  border-bottom: 1px dashed var(--pp-dash);
}

.page-products .playbook__side {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.page-products .playbook__side .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--amber);
  padding: 0.05rem 0.45rem;
  border-radius: var(--r-sm);
}

.page-products .playbook__side h3 {
  font-family: var(--font-title);
  font-size: 1.12rem;
  color: var(--ink);
  margin: 0;
}

.page-products .playbook__body p {
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--slate);
  margin: 0;
}

.page-products .playbook__body ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.page-products .playbook__body li {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-products .playbook__body li::marker {
  color: var(--jade);
}

/* 苹果设备四步 */
.page-products .ios-sec {
  color: var(--paper);
}

.page-products .ios-sec h2 {
  color: var(--paper);
  max-width: 22ch;
}

.page-products .ios-sec .eyebrow {
  color: var(--jade);
}

.page-products .ios-grid {
  display: grid;
  gap: 2rem;
}

.page-products .ios-lede {
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.78);
  margin: 0.8rem 0 0;
}

.page-products .steps {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .step details {
  background: rgba(11, 27, 51, 0.62);
  border: 1px solid var(--pp-hair-dark);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-products .step details[open] {
  border-color: rgba(95, 191, 166, 0.6);
}

.page-products .step summary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--paper);
}

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

.page-products .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--jade);
}

.page-products .step details[open] summary::after {
  content: "−";
}

.page-products .step summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -2px;
}

.page-products .step__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink);
  background: var(--amber);
  padding: 0.2rem 0.45rem;
  border-radius: var(--r-sm);
}

.page-products .step__body {
  padding: 0 1.05rem 1.05rem;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(247, 244, 236, 0.82);
}

.page-products .ios-fig {
  margin: 0;
}

/* 下载与兼容 */
.page-products .dl-scroll {
  margin-top: 1.3rem;
  overflow-x: auto;
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  background: var(--paper);
}

.page-products .dl-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.page-products .dl-caption {
  caption-side: top;
  text-align: left;
  padding: 0.8rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--fog);
  border-bottom: 1px solid rgba(46, 58, 74, 0.12);
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(46, 58, 74, 0.12);
}

.page-products .dl-table thead th {
  background: var(--ink-2);
  color: var(--paper);
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-bottom: 0;
}

.page-products .dl-table tbody tr:nth-child(even) {
  background: rgba(239, 231, 214, 0.55);
}

.page-products .dl-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .dl-hint {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--fog);
}

/* 归档 */
.page-products .archive-grid {
  display: grid;
  gap: 1.6rem;
}

.page-products .archive-fig {
  margin: 0;
}

.page-products .archive-copy h2 {
  max-width: 24ch;
}

.page-products .archive-list {
  list-style: none;
  margin: 1.2rem 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .archive-list li {
  padding-left: 0.95rem;
  border-left: 3px solid var(--jade);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .archive-list strong {
  display: block;
  font-family: var(--font-title);
  font-size: 0.96rem;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

/* 下一步 */
.page-products .next-links {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

.page-products .next-links a {
  display: block;
  padding: 0.95rem 1.05rem;
  background: var(--paper);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-products .next-links a:hover {
  border-color: var(--amber);
  background: var(--paper-2);
  transform: translateY(-2px);
}

.page-products .next-links a:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

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

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

@media (min-width: 760px) {
  .page-products .entry-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .split {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 2.4rem;
  }

  .page-products .ios-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 2.6rem;
  }

  .page-products .archive-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 2.4rem;
  }

  .page-products .playbook__row {
    grid-template-columns: minmax(150px, 230px) minmax(0, 1fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-products .playbook__row:nth-child(even) {
    padding-left: clamp(1rem, 4vw, 3rem);
  }
}

@media (min-width: 1180px) {
  .page-products .entry-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-strip__item,
  .page-products .step details,
  .page-products .next-links a {
    transition: none;
  }

  .page-products .entry-strip__item:hover,
  .page-products .entry-strip__item:focus-within,
  .page-products .next-links a:hover {
    transform: none;
  }
}
<<<END>>>