.page-products {
  --ph-panel-line: rgba(244, 239, 227, 0.14);
  --ph-text-soft: rgba(244, 239, 227, 0.74);
  --ph-text-faint: rgba(244, 239, 227, 0.56);
  --ph-gap: clamp(1rem, 3vw, 1.9rem);
  display: block;
  color: var(--paper);
  background:
    radial-gradient(120% 60% at 78% 0%, rgba(31, 79, 66, 0.55) 0%, rgba(11, 31, 26, 0) 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--char-900) 58%, var(--ink-900) 100%);
  overflow-x: clip;
}

.page-products h2,
.page-products h3,
.page-products p {
  margin: 0;
}

.page-products a {
  color: inherit;
}

.page-products .breadcrumbs {
  padding-top: clamp(1.2rem, 4vw, 2.2rem);
  font-size: 0.82rem;
  color: var(--ph-text-faint);
}

.page-products .breadcrumbs a {
  color: var(--ph-text-soft);
  text-decoration: none;
}

.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--accent);
}

/* ---------- 首屏 ---------- */
.page-products .ph-hero {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(2.2rem, 7vw, 4.5rem);
  align-items: center;
}

.page-products .ph-hero__copy .eyebrow {
  margin-bottom: 0.75rem;
}

.page-products .ph-hero__copy .display {
  margin: 0;
  max-width: 18ch;
  line-height: 1.08;
}

.page-products .ph-hero__copy .lede {
  margin-top: clamp(1rem, 2.4vw, 1.5rem);
  max-width: 46ch;
  color: var(--ph-text-soft);
  line-height: 1.85;
}

.page-products .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.3rem, 3vw, 1.85rem);
}

.page-products .ph-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: clamp(1.2rem, 3vw, 1.7rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-hero__visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .ph-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ---------- 通用小节标题 ---------- */
.page-products .ph-section-head {
  display: grid;
  gap: 0.8rem;
  max-width: 64ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .ph-section-head .heading {
  line-height: 1.2;
}

.page-products .ph-section-head__lede {
  color: var(--ph-text-soft);
  line-height: 1.85;
}

/* ---------- 设备展区 ---------- */
.page-products .ph-devices {
  display: grid;
  gap: var(--ph-gap);
}

.page-products .ph-device-stack {
  display: grid;
  gap: clamp(0.9rem, 2vw, 1.3rem);
}

.page-products .ph-device {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ph-panel-line);
  background: linear-gradient(158deg, rgba(31, 79, 66, 0.46) 0%, rgba(18, 21, 23, 0.72) 78%);
  backdrop-filter: blur(10px);
  color: var(--paper);
}

.page-products .ph-device__label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-products .ph-device__title {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.3;
}

.page-products .ph-device__text {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

.page-products .ph-device__list {
  display: grid;
  gap: 0.42rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--ph-text-soft);
}

.page-products .ph-device__list li {
  position: relative;
  padding-left: 1rem;
  line-height: 1.7;
}

.page-products .ph-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--data);
}

.page-products .ph-device .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .ph-device--mobile {
  border-color: rgba(200, 255, 61, 0.42);
  box-shadow: 0 0 0 1px rgba(200, 255, 61, 0.1), var(--shadow);
  background: linear-gradient(158deg, rgba(31, 79, 66, 0.62) 0%, rgba(11, 31, 26, 0.86) 82%);
}

.page-products .ph-device--mobile .ph-device__title {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
}

.page-products .ph-device--tablet {
  background: linear-gradient(158deg, rgba(26, 30, 32, 0.8) 0%, rgba(18, 21, 23, 0.72) 100%);
}

.page-products .ph-device--tablet .ph-device__title {
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
}

.page-products .ph-device--tablet .ph-device__text {
  font-size: 0.88rem;
}

/* 版本目录说明牌 */
.page-products .ph-board {
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ph-panel-line);
}

.page-products .ph-board__title {
  margin-top: 0.6rem;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.35;
}

.page-products .ph-board__list {
  margin-top: 0.9rem;
}

.page-products .ph-acc {
  padding-block: 0.8rem;
  border-top: 1px solid var(--ph-panel-line);
}

.page-products .ph-acc:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-products .ph-acc__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.7rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .ph-acc__head::-webkit-details-marker {
  display: none;
}

.page-products .ph-acc__head .mono {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--data);
}

.page-products .ph-acc__head::after {
  content: "＋";
  margin-left: auto;
  color: var(--accent);
  font-weight: 400;
}

.page-products .ph-acc[open] .ph-acc__head::after {
  content: "－";
}

.page-products .ph-acc p {
  margin-top: 0.55rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

/* ---------- 三端同步 ---------- */
.page-products .ph-sync {
  display: grid;
  gap: var(--ph-gap);
}

.page-products .ph-sync__shot {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-products .ph-sync__shot--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .ph-sync__shot--wide img {
  aspect-ratio: 14 / 9;
}

.page-products .ph-sync__diagram {
  padding: clamp(1rem, 2.6vw, 1.6rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ph-panel-line);
  background:
    radial-gradient(90% 70% at 50% 0%, rgba(200, 255, 61, 0.1) 0%, rgba(18, 21, 23, 0) 66%),
    rgba(18, 21, 23, 0.62);
  backdrop-filter: blur(8px);
}

.page-products .ph-sync__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .ph-sync__node {
  fill: rgba(31, 79, 66, 0.5);
  stroke: rgba(94, 211, 192, 0.5);
  stroke-width: 1.2;
}

.page-products .ph-sync__node--core {
  fill: rgba(200, 255, 61, 0.12);
  stroke: var(--accent);
  stroke-width: 1.6;
}

.page-products .ph-sync__link {
  stroke: var(--data);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
  fill: none;
}

.page-products .ph-sync__label {
  fill: var(--paper);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
}

.page-products .ph-sync__sub {
  fill: rgba(244, 239, 227, 0.62);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.page-products .ph-sync__note {
  fill: var(--accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-products .ph-sync__facts {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-sync__fact {
  padding: clamp(1rem, 2.2vw, 1.35rem);
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

.page-products .ph-sync__fact-no {
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- 版本节奏 ---------- */
.page-products .ph-versions {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-products .ph-versions__intro {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-products .ph-versions__lede {
  color: var(--ph-text-soft);
  line-height: 1.85;
  max-width: 42ch;
}

.page-products .ph-versions__texture {
  margin: 0.6rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .ph-versions__texture img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-products .ph-timeline {
  position: relative;
  display: grid;
  gap: clamp(1.1rem, 2.6vw, 1.7rem);
  margin: 0;
  padding: 0 0 0 1.85rem;
  list-style: none;
}

.page-products .ph-timeline::before {
  content: "";
  position: absolute;
  left: 0.34rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(94, 211, 192, 0.4) 60%, rgba(94, 211, 192, 0) 100%);
}

.page-products .ph-timeline__item {
  position: relative;
  display: grid;
  gap: 0.3rem;
}

.page-products .ph-timeline__item::before {
  content: "";
  position: absolute;
  left: -1.85rem;
  top: 0.42rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--accent);
}

.page-products .ph-timeline__year {
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-products .ph-timeline__item h3 {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  line-height: 1.35;
}

.page-products .ph-timeline__item p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

/* ---------- 安装指引 ---------- */
.page-products .ph-install {
  display: grid;
  gap: var(--ph-gap);
}

.page-products .ph-install__shot {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .ph-install__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .ph-install__steps {
  display: grid;
  gap: 0;
  align-content: start;
}

.page-products .ph-step {
  padding-block: clamp(0.9rem, 2vw, 1.15rem);
  border-top: 1px solid var(--ph-panel-line);
}

.page-products .ph-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .ph-step__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  list-style: none;
  font-size: clamp(1rem, 2vw, 1.12rem);
  font-weight: 700;
  color: var(--paper);
}

.page-products .ph-step__head::-webkit-details-marker {
  display: none;
}

.page-products .ph-step__no {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-products .ph-step__head::after {
  content: "展开";
  margin-left: auto;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ph-text-faint);
}

.page-products .ph-step[open] .ph-step__head::after {
  content: "收起";
}

.page-products .ph-step__body {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

.page-products .ph-step__body li::marker {
  color: var(--data);
}

.page-products .ph-install__more {
  margin-top: clamp(1rem, 2.6vw, 1.5rem);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

.page-products .ph-install__more a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 场景 ---------- */
.page-products .ph-scenes {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ph-scene {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  padding: clamp(1.1rem, 2.4vw, 1.5rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--ph-panel-line);
  background: rgba(18, 21, 23, 0.55);
  border-left: 3px solid var(--accent);
}

.page-products .ph-scene__no {
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: rgba(200, 255, 61, 0.55);
}

.page-products .ph-scene h3 {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.page-products .ph-scene p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ph-text-soft);
}

.page-products .ph-scene__link {
  margin-top: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--data);
  text-decoration: none;
  border-bottom: 1px solid rgba(94, 211, 192, 0.4);
  justify-self: start;
  padding-bottom: 2px;
}

.page-products .ph-scene__link:hover,
.page-products .ph-scene__link:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- 访问与账号 ---------- */
.page-products .ph-access {
  display: grid;
  gap: var(--ph-gap);
  align-items: start;
}

.page-products .ph-access__list {
  margin: clamp(1rem, 2.6vw, 1.5rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-products .ph-access__list li {
  padding-left: 1rem;
  border-left: 2px solid rgba(94, 211, 192, 0.4);
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--ph-text-soft);
}

.page-products .ph-access__list strong {
  display: block;
  color: var(--paper);
  font-size: 0.98rem;
}

.page-products .ph-access__panel {
  padding: clamp(1.2rem, 2.8vw, 1.7rem);
  border-radius: var(--radius-lg);
  color: var(--ink-text);
}

.page-products .ph-access__panel .eyebrow {
  color: var(--teal-deep);
}

.page-products .ph-access__text {
  margin-top: 0.7rem;
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--ink-text-soft);
}

.page-products .ph-access__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
}

.page-products .ph-access__panel .btn--quiet {
  color: var(--ink-text);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-products .ph-device-stack {
    grid-template-columns: 1.35fr 1.05fr 0.8fr;
    align-items: stretch;
  }

  .page-products .ph-access {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-products .ph-install {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .ph-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-products .ph-sync {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
    grid-template-areas:
      "tall diagram"
      "tall wide";
    align-items: start;
  }

  .page-products .ph-sync__shot--tall {
    grid-area: tall;
  }

  .page-products .ph-sync__diagram {
    grid-area: diagram;
  }

  .page-products .ph-sync__shot--wide {
    grid-area: wide;
  }

  .page-products .ph-versions {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .ph-devices {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.55fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>