.page-products {
  --pp-gap: clamp(16px, 2.4vw, 28px);
  --pp-main-x: clamp(16px, 4vw, 48px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  background: var(--navy);
  color: var(--white);
  border-bottom: var(--border-w) solid var(--ink);
  padding: clamp(18px, 2.6vw, 28px) var(--pp-main-x) clamp(36px, 5.5vw, 70px);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(47, 123, 255, 0.16) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(47, 123, 255, 0.1) 0 1px, transparent 1px 76px);
  pointer-events: none;
}

.page-products .prod-crumbs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-products .prod-crumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 179, 209, 0.55);
}

.page-products .prod-crumbs a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.page-products .prod-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-products .hero-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 2px solid var(--ink);
}

.page-products .prod-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .hero-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: #d8e2f0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-products .hero-stat {
  border: 2px solid rgba(245, 241, 232, 0.28);
  background: rgba(18, 62, 124, 0.55);
  padding: 11px 13px;
}

.page-products .hero-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.1;
  color: var(--amber);
}

.page-products .hero-stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

/* 手机框 */
.page-products .phone-stack {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 10px;
}

.page-products .phone-frame {
  width: min(100%, 310px);
  padding: 10px;
  background: var(--royal);
  border: var(--border-w) solid var(--ink);
  border-radius: 30px;
  box-shadow: var(--shadow-hard);
}

.page-products .phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  object-fit: cover;
}

.page-products .phone-badge {
  position: absolute;
  z-index: 3;
  padding: 6px 11px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(11, 31, 58, 0.9);
  white-space: nowrap;
}

.page-products .phone-badge--tl {
  top: 4%;
  left: 0;
  background: var(--amber);
  transform: rotate(-3deg);
}

.page-products .phone-badge--br {
  bottom: 7%;
  right: 0;
  background: var(--teal);
  transform: rotate(2deg);
}

/* ---------- 主体与章节 ---------- */
.page-products .prod-main {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pp-main-x);
}

.page-products .chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding: clamp(36px, 5vw, 72px) 0;
  border-bottom: 2px solid var(--line);
  scroll-margin-top: 84px;
}

.page-products .chapter__mark {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .chapter__num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--royal);
}

.page-products .chapter__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--magenta);
}

.page-products .chapter__body {
  min-width: 0;
}

.page-products .chapter h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 37px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-products .chapter__lede {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 44em;
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.8;
  color: #3d4655;
}

/* ---------- 功能 Bento ---------- */
.page-products .feature-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .feat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  padding-top: clamp(22px, 2.6vw, 30px);
  background: var(--white);
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
}

.page-products .feat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--blue);
}

.page-products .feat--transfer::before { background: var(--magenta); }
.page-products .feat--review::before { background: var(--teal); }
.page-products .feat--h2h::before { background: var(--amber); }
.page-products .feat--lineup::before { background: var(--blue); }
.page-products .feat--watch::before { background: var(--royal); }

.page-products .feat__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--royal);
}

.page-products .feat h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 21px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-products .feat p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #3d4655;
}

.page-products .feat ul {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.62;
  color: #3d4655;
}

.page-products .feat li {
  position: relative;
  padding-left: 15px;
}

.page-products .feat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--navy);
}

/* ---------- 版本 ---------- */
.page-products .version-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .version-card {
  position: relative;
  padding: clamp(20px, 2.8vw, 30px);
  padding-bottom: calc(clamp(20px, 2.8vw, 30px) + 20px);
  background: var(--navy);
  color: var(--white);
  border: var(--border-w) solid var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-products .v-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-products .vnum {
  display: block;
  margin: 4px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 70px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
}

.page-products .v-note {
  margin: 0 0 12px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.75;
  color: #d8e2f0;
}

.page-products .v-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.65;
  color: #e7eefa;
}

.page-products .v-points li {
  position: relative;
  padding-left: 16px;
}

.page-products .v-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--magenta);
}

.page-products .spec {
  margin: 0;
  border-top: 2px solid var(--ink);
}

.page-products .spec > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 2px;
  border-bottom: 2px solid var(--line);
}

.page-products .spec dt {
  font-size: 14px;
  color: rgba(11, 31, 58, 0.72);
}

.page-products .spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-align: right;
  color: var(--navy);
}

/* 图片框 */
.page-products .shot {
  margin: 0 0 clamp(20px, 3vw, 30px);
  background: var(--navy);
  border: var(--border-w) solid var(--ink);
  overflow: hidden;
}

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

.page-products .shot figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
  border-top: 2px solid var(--ink);
}

/* 更新记录折叠 */
.page-products .log-list {
  display: grid;
  gap: 10px;
}

.page-products .log-item {
  background: var(--white);
  border: 2px solid var(--ink);
}

.page-products .log-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy);
}

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

.page-products .log-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .log-item[open] summary::after {
  content: "–";
}

.page-products .log-item summary:hover {
  background: var(--paper-deep);
}

.page-products .log-tag {
  flex: none;
  padding: 3px 8px;
  background: var(--paper-deep);
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--magenta);
}

.page-products .log-body {
  padding: 0 15px 15px;
  border-top: 1px dashed var(--line);
}

.page-products .log-body p {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.78;
  color: #3d4655;
}

/* ---------- 工作台表格 ---------- */
.page-products .workbench {
  background: var(--white);
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow-hard);
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-products .workbench__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 11px 13px;
  background: var(--paper-deep);
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.page-products .bar-label {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}

.page-products .bar-spacer {
  flex: 1 1 12px;
}

.page-products .bar-meta {
  color: var(--royal);
  font-weight: 700;
}

.page-products .workbench__scroll {
  max-height: 430px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .lineup {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .lineup caption {
  padding: 8px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(11, 31, 58, 0.6);
}

.page-products .lineup thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 11px 12px;
  text-align: left;
  white-space: nowrap;
  background: var(--royal);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--ink);
}

.page-products .lineup tbody td {
  padding: 11px 12px;
  line-height: 1.6;
  vertical-align: top;
  color: #3d4655;
  border-bottom: 1px solid var(--line);
}

.page-products .lineup tbody tr:nth-child(even) {
  background: var(--paper);
}

.page-products .lineup tbody td:first-child {
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  color: var(--navy);
}

.page-products .compare-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-products .compare-cell {
  padding: 14px 16px;
  background: var(--paper-deep);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--blue);
}

.page-products .compare-cell:nth-child(2) {
  border-left-color: var(--magenta);
}

.page-products .compare-cell:nth-child(3) {
  border-left-color: var(--teal);
}

.page-products .cell-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--royal);
}

.page-products .compare-cell p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: #3d4655;
}

/* ---------- 步骤 ---------- */
.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .step {
  position: relative;
  padding: 16px 17px;
  background: var(--white);
  border: var(--border-w) solid var(--ink);
}

.page-products .step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 4px;
  background: var(--amber);
}

.page-products .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--magenta);
}

.page-products .step h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.25;
  color: var(--navy);
}

.page-products .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: #3d4655;
}

.page-products .path-note {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.75;
  color: #3d4655;
}

.page-products .path-note a {
  color: var(--royal);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.page-products .path-note a:hover {
  color: var(--magenta);
  border-color: var(--magenta);
}

/* ---------- 场景 ---------- */
.page-products .scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .scene {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: var(--border-w) solid var(--ink);
  overflow: hidden;
}

.page-products .scene img {
  display: block;
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-bottom: 2px solid var(--ink);
}

.page-products .scene__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px 18px 20px;
}

.page-products .scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  color: var(--navy);
}

.page-products .scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #3d4655;
}

/* ---------- 收束 CTA ---------- */
.page-products .cta-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: clamp(30px, 4.6vw, 58px) 0 clamp(36px, 5vw, 64px);
  padding: clamp(24px, 4vw, 46px);
  background: var(--royal);
  color: var(--white);
  border: var(--border-w) solid var(--ink);
  clip-path: polygon(0 16px, 100% 0, 100% 100%, 0 calc(100% - 16px));
}

.page-products .cta-band h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .cta-band p {
  margin: 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.75;
  color: #d8e2f0;
}

.page-products .cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .compare-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .feature-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .scenarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .scene img {
    height: 200px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
  }
  .page-products .version-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
  .page-products .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-products .cta-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .chapter {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 56px);
  }
  .page-products .chapter__mark {
    position: sticky;
    top: 84px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (min-width: 1100px) {
  .page-products .feature-bento {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .feature-bento > .feat:nth-child(1) { grid-column: span 4; }
  .page-products .feature-bento > .feat:nth-child(2) { grid-column: span 2; }
  .page-products .feature-bento > .feat:nth-child(3) { grid-column: span 2; }
  .page-products .feature-bento > .feat:nth-child(4) { grid-column: span 4; }
  .page-products .feature-bento > .feat:nth-child(5) { grid-column: span 6; }
  .page-products .scenarios {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>
```