.page-products {
  --pp-gap: clamp(16px, 2.4vw, 32px);
  --pp-line: rgba(31, 109, 110, .18);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(18px, 2.6vw, 30px);
  padding-bottom: clamp(26px, 3.4vw, 46px);
  background:
    radial-gradient(118% 96% at 90% 4%, rgba(217, 229, 229, .95) 0%, rgba(247, 243, 234, 0) 64%),
    var(--cream);
}

.page-products .pp-hero__layout {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(18px, 2.6vw, 32px);
}

.page-products .pp-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.015em;
  color: var(--deep);
}

.page-products .pp-hero__text {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.85;
  color: var(--ink);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pp-hero__rail {
  background: var(--deep);
  border-radius: var(--r-lg);
  padding: 20px 20px 14px;
  box-shadow: var(--shadow-2);
}

.page-products .pp-hero__rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.page-products .pp-hero__rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-hero__rail-list li + li {
  border-top: 1px solid rgba(217, 229, 229, .16);
}

.page-products .pp-hero__rail-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px;
  color: var(--cream);
  text-decoration: none;
  font-size: 15px;
  border-radius: var(--r-sm);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-hero__rail-list a:hover,
.page-products .pp-hero__rail-list a:focus-visible {
  color: var(--accent-soft);
  transform: translateX(3px);
}

.page-products .pp-hero__rail-list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

/* ---------- 图片通用 ---------- */
.page-products .media-frame {
  margin: 0;
  overflow: hidden;
}

.page-products .media-frame__inner {
  overflow: hidden;
}

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

/* ---------- 服务矩阵 ---------- */
.page-products .pp-matrix__figure {
  margin-bottom: clamp(18px, 2.6vw, 30px);
  border-radius: var(--r-lg);
}

.page-products .pp-matrix__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-matrix__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 18px;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--cream);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-matrix__item:hover,
.page-products .pp-matrix__item:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: var(--accent);
}

.page-products .pp-matrix__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--accent);
  margin: 0;
}

.page-products .pp-matrix__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1.35;
}

.page-products .pp-matrix__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
  flex: 1 1 auto;
}

.page-products .pp-matrix__meta {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(31, 109, 110, .3);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mid);
}

/* ---------- 版本对照台 ---------- */
.page-products .pp-compare {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-compare__figure {
  border-radius: var(--r-lg);
}

.page-products .pp-compare__stage {
  padding: clamp(16px, 2vw, 26px);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  background: var(--cream);
}

.page-products .pp-compare__tabs {
  margin-bottom: 16px;
}

.page-products .pp-defs {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-defs__row {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: var(--mist);
}

.page-products .pp-defs dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mid);
}

.page-products .pp-defs dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink);
}

.page-products .pp-diff-table {
  width: 100%;
}

/* ---------- 旧版本资料库 ---------- */
.page-products .pp-archive__meta {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-archive__stat {
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--mist);
  border-left: 3px solid var(--accent);
}

.page-products .pp-archive__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep);
}

.page-products .pp-archive__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mid);
}

.page-products .pp-archive__figure {
  margin-bottom: clamp(20px, 2.6vw, 32px);
  border-radius: var(--r-lg);
}

.page-products .pp-archive__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-archive__node {
  position: relative;
  padding-left: 32px;
  padding-bottom: 14px;
}

.page-products .pp-archive__node::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 22px;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border: 3px solid var(--accent);
  border-radius: 50%;
  background: var(--cream);
}

.page-products .pp-archive__node::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: -2px;
  width: 2px;
  background: rgba(31, 109, 110, .22);
}

.page-products .pp-archive__node:last-child::after {
  display: none;
}

.page-products .pp-archive__details {
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--cream);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-archive__details[open] {
  border-color: var(--mid);
  box-shadow: var(--shadow-1);
}

.page-products .pp-archive__details summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 15px 46px 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-archive__details summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
}

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

.page-products .pp-archive__ver {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cream);
  background: var(--deep);
  padding: 3px 10px;
  border-radius: var(--pill);
}

.page-products .pp-archive__sum {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--deep);
}

.page-products .pp-archive__date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-hover);
}

.page-products .pp-archive__body {
  padding: 0 18px 16px;
}

.page-products .pp-arch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-arch-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding: 10px 2px;
  border-bottom: 1px solid rgba(31, 109, 110, .12);
}

.page-products .pp-arch-list li:last-child {
  border-bottom: 0;
}

.page-products .pp-arch-list__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-products .pp-arch-list__text {
  flex: 1 1 220px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pp-arch-list__date {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-hover);
}

.page-products .pp-archive__footnote {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}

/* ---------- 平板与多端 ---------- */
.page-products .pp-devices {
  background: var(--mist);
}

.page-products .pp-devices__stage {
  padding: clamp(16px, 2.4vw, 30px);
  border-radius: var(--r-lg);
  background: var(--deep);
  color: var(--cream);
}

.page-products .pp-devices__stage .tabs {
  border-bottom-color: rgba(217, 229, 229, .22);
}

.page-products .pp-devices__stage .tab {
  color: rgba(217, 229, 229, .78);
}

.page-products .pp-devices__stage .tab:hover,
.page-products .pp-devices__stage .tab:focus-visible {
  color: var(--cream);
}

.page-products .pp-device-panel {
  display: grid;
  gap: 16px;
  padding-top: 12px;
}

.page-products .pp-svg {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: 0 auto;
}

.page-products .pp-device-panel__body {
  display: grid;
  gap: 12px;
}

.page-products .pp-device-panel__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .9);
}

.page-products .pp-device-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-devices__notes {
  display: grid;
  gap: 14px;
  margin-top: clamp(16px, 2.2vw, 26px);
}

.page-products .pp-device-note {
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--cream);
  border: 1px solid var(--pp-line);
}

.page-products .pp-device-note h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--deep);
}

.page-products .pp-device-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 企业版与个人版 ---------- */
.page-products .pp-plans__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-plan {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  background: var(--cream);
}

.page-products .pp-plan--team {
  background: var(--mist);
}

.page-products .pp-plan--team::before {
  content: "";
  display: block;
  height: 4px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

.page-products .pp-plan__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent-hover);
}

.page-products .pp-plan__title {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  line-height: 1.32;
  color: var(--deep);
}

.page-products .pp-plan__figure {
  border-radius: var(--r-md);
  margin-bottom: 4px;
}

.page-products .pp-plan__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-plan__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink);
}

.page-products .pp-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  box-sizing: border-box;
  border: 2px solid var(--accent);
  border-radius: 3px;
  background: var(--accent-soft);
}

.page-products .pp-plan__note {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mid);
}

/* ---------- 检索流程 ---------- */
.page-products .pp-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-flow__step {
  padding: 18px 18px 20px;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--cream);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-flow__step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .pp-flow__step:last-child {
  background: var(--deep-2);
  border-color: var(--deep-2);
}

.page-products .pp-flow__step:last-child .pp-flow__title,
.page-products .pp-flow__step:last-child .pp-flow__text {
  color: var(--cream);
}

.page-products .pp-flow__step:last-child .pp-flow__num {
  background: var(--accent);
}

.page-products .pp-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--pill);
  background: var(--deep);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
}

.page-products .pp-flow__title {
  margin: 12px 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--deep);
}

.page-products .pp-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ink);
}

/* ---------- 适用场景 ---------- */
.page-products .pp-scenes__grid {
  display: grid;
  gap: 14px;
}

.page-products .pp-scene {
  padding: 20px 22px 22px;
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--mid);
  border-radius: var(--r-md);
  background: var(--cream);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-scene:hover {
  transform: translateY(-3px);
  border-left-color: var(--accent);
  box-shadow: var(--shadow-1);
}

.page-products .pp-scene__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--accent-hover);
}

.page-products .pp-scene__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--deep);
}

.page-products .pp-scene__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta__box {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.6vw, 46px);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--deep) 0%, var(--deep-2) 58%, #175c5d 100%);
  color: var(--cream);
}

.page-products .pp-cta__box h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.32;
  font-weight: 800;
  color: var(--cream);
}

.page-products .pp-cta__box p {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(217, 229, 229, .88);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-cta__actions .btn--ghost {
  border-color: rgba(247, 243, 234, .5);
  color: var(--cream);
}

.page-products .pp-cta__actions .btn--ghost:hover,
.page-products .pp-cta__actions .btn--ghost:focus-visible {
  border-color: var(--accent-soft);
  color: var(--accent-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pp-defs__row {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 680px) {
  .page-products .pp-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-products .pp-archive__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

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

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

@media (min-width: 860px) {
  .page-products .pp-device-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: 30px;
  }

  .page-products .pp-cta__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 42px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pp-plans__grid {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: stretch;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: start;
    gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-matrix__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-matrix__item,
  .page-products .pp-flow__step,
  .page-products .pp-scene,
  .page-products .pp-hero__rail-list a {
    transition: none;
  }

  .page-products .pp-matrix__item:hover,
  .page-products .pp-flow__step:hover,
  .page-products .pp-scene:hover,
  .page-products .pp-hero__rail-list a:hover {
    transform: none;
  }
}