.page-products {
  --pp-pad: clamp(34px, 5.2vw, 76px);
  --pp-gap: clamp(18px, 3vw, 34px);
  --pp-panel: rgba(12, 33, 54, .74);
  --pp-hair: rgba(42, 85, 120, .55);
}

.page-products .ld-breadcrumb {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-products .pp-block {
  padding-block: var(--pp-pad);
}

/* ---------- 区块标题 ---------- */
.page-products .pp-head {
  max-width: 44em;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-products .pp-head h2 {
  margin: 10px 0 12px;
}

.page-products .pp-head__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-300);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 4.6vw, 56px) clamp(34px, 5.4vw, 70px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: min(760px, 82vw);
  height: min(760px, 82vw);
  background: radial-gradient(closest-side, rgba(70, 227, 230, .18), rgba(70, 227, 230, 0) 72%);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(42, 85, 120, 0), var(--path-500) 25%, var(--path-500) 75%, rgba(42, 85, 120, 0));
  opacity: .7;
}

.page-products .pp-hero__inner {
  position: relative;
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-products .pp-hero__lead {
  max-width: 42em;
  color: var(--mist-300);
}

.page-products .pp-hero__points {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-hero__points li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 18px;
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  background: var(--pp-panel);
  box-shadow: inset 2px 0 0 rgba(70, 227, 230, 0);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-products .pp-hero__points li:hover,
.page-products .pp-hero__points li:focus-within {
  transform: translateY(-4px);
  border-color: rgba(70, 227, 230, .5);
  background: var(--ink-700);
  box-shadow: inset 2px 0 0 var(--cyan-400);
}

.page-products .pp-hero__pnum {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-products .pp-hero__ptext strong {
  display: block;
  font-size: 15px;
  color: var(--white-050);
  margin-bottom: 3px;
}

.page-products .pp-hero__ptext span {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist-300);
}

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

.page-products .pp-hero__visual {
  position: relative;
}

.page-products .pp-phone {
  position: relative;
  max-width: 356px;
  margin-inline: auto;
  padding: 12px;
  border-radius: 34px;
  border: 1px solid rgba(70, 227, 230, .3);
  background: linear-gradient(170deg, rgba(20, 50, 78, .92), rgba(7, 20, 38, .96));
  box-shadow: var(--shadow-panel);
}

.page-products .pp-phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
}

.page-products .pp-phone__badge {
  position: absolute;
  left: 24px;
  bottom: 26px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: rgba(7, 20, 38, .88);
  border: 1px solid rgba(155, 232, 107, .42);
  color: var(--lime-400);
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 入口对照 ---------- */
.page-products .pp-entries {
  display: grid;
  gap: 16px;
}

.page-products .pp-entry {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  background: var(--pp-panel);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pp-entry::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--cyan-400);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 220ms var(--ease);
}

.page-products .pp-entry:hover,
.page-products .pp-entry:focus-within {
  transform: translateY(-4px);
  border-color: rgba(70, 227, 230, .5);
}

.page-products .pp-entry:hover::before,
.page-products .pp-entry:focus-within::before {
  transform: scaleY(1);
}

.page-products .pp-entry__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .pp-entry__num {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--path-500);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-entry h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -.01em;
  color: var(--white-050);
}

.page-products .pp-entry p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-products .pp-entry__meta {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--pp-hair);
  display: grid;
  gap: 10px;
}

.page-products .pp-entry__meta > div {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
}

.page-products .pp-entry__meta dt {
  color: var(--path-500);
  letter-spacing: .06em;
}

.page-products .pp-entry__meta dd {
  margin: 0;
  color: var(--white-050);
}

/* ---------- 双端对照 ---------- */
.page-products .pp-dual {
  display: grid;
  gap: 16px;
}

.page-products .pp-panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  background: var(--pp-panel);
}

.page-products .pp-panel--narrow {
  border-top: 2px solid var(--cyan-400);
}

.page-products .pp-panel--wide {
  border-top: 2px solid var(--path-500);
}

.page-products .pp-panel__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 30px);
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--white-050);
}

.page-products .pp-panel__lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-300);
}

.page-products .pp-panel__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pp-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--path-500);
}

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

.page-products .pp-facts li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-products .pp-facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-products .pp-facts li strong {
  color: var(--white-050);
  font-weight: 600;
  margin-right: 6px;
}

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .pp-shot {
  margin: 22px 0 0;
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(7, 20, 38, .6);
}

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

/* ---------- 三种检索方式 ---------- */
.page-products .pp-path {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(120deg, rgba(20, 50, 78, .9), rgba(7, 20, 38, .95));
}

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

.page-products .pp-path figcaption {
  padding: 12px 18px 14px;
  border-top: 1px solid var(--pp-hair);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
}

.page-products .pp-methods {
  display: grid;
  gap: 14px;
}

.page-products .pp-method {
  padding: 22px 22px 24px;
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--cyan-deep);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(20, 50, 78, .85), rgba(12, 33, 54, .92));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pp-method:nth-child(2) {
  border-left-color: var(--cyan-400);
}

.page-products .pp-method:nth-child(3) {
  border-left-color: var(--lime-400);
}

.page-products .pp-method:hover,
.page-products .pp-method:focus-within {
  transform: translateY(-4px);
}

.page-products .pp-method h3 {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--white-050);
}

.page-products .pp-method p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-products .pp-method__sample {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(70, 227, 230, .3);
  background: rgba(7, 20, 38, .82);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* ---------- 第 9 版 ---------- */
.page-products .pp-v9__banner {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(7, 20, 38, .6);
}

.page-products .pp-v9__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-v9__banner figcaption {
  padding: 12px 18px 14px;
  border-top: 1px solid var(--pp-hair);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
}

.page-products .pp-v9__list {
  display: grid;
  gap: 10px;
}

.page-products .pp-feature {
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  background: var(--pp-panel);
  overflow: hidden;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-products .pp-feature[open] {
  border-color: rgba(70, 227, 230, .45);
  background: var(--ink-700);
}

.page-products .pp-feature__sum {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-feature__sum:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-products .pp-feature__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-feature__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .pp-feature__ic {
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
}

.page-products .pp-feature__ic::before,
.page-products .pp-feature__ic::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan-400);
  transform: translateY(-50%);
  transition: transform 180ms var(--ease);
}

.page-products .pp-feature__ic::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-products .pp-feature[open] .pp-feature__ic::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-products .pp-feature__body {
  padding: 0 18px 18px 64px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-300);
}

/* ---------- 索引导出（浅色区） ---------- */
.page-products .pp-light {
  border: 1px solid var(--line-200);
  border-radius: var(--r-lg);
  background: var(--white-050);
  padding: clamp(24px, 3.4vw, 44px);
  color: var(--ink-900);
}

.page-products .pp-light .pp-head {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-light .ld-eyebrow {
  color: var(--path-500);
}

.page-products .pp-light h2 {
  color: var(--ink-900);
}

.page-products .pp-light .pp-head__lead {
  color: var(--ink-text);
}

.page-products .pp-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-200);
  border-radius: var(--r-md);
}

.page-products .pp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--white-050);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-200);
}

.page-products .pp-table thead th {
  background: rgba(201, 216, 228, .42);
  color: var(--ink-900);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}

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

.page-products .pp-table td {
  color: var(--ink-text);
  line-height: 1.7;
}

.page-products .pp-table td:first-child {
  color: var(--ink-900);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-light__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-text);
}

.page-products .pp-light__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 安装四步 ---------- */
.page-products .pp-install {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

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

.page-products .pp-step {
  position: relative;
  padding: 0 0 26px 62px;
}

.page-products .pp-step:last-child {
  padding-bottom: 0;
}

.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(70, 227, 230, .6), rgba(70, 227, 230, .06));
}

.page-products .pp-step:last-child::before {
  display: none;
}

.page-products .pp-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(70, 227, 230, .45);
  background: rgba(12, 33, 54, .92);
  color: var(--cyan-400);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.page-products .pp-step h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .pp-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-300);
}

.page-products .pp-install__cta {
  margin: 24px 0 0;
}

.page-products .pp-install__fig {
  margin: 0;
  border: 1px solid rgba(70, 227, 230, .22);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(7, 20, 38, .6);
}

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

.page-products .pp-install__fig figcaption {
  padding: 12px 18px 14px;
  border-top: 1px solid var(--pp-hair);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-products .pp-feature__body {
    padding-left: 18px;
  }

  .page-products .pp-step {
    padding-left: 54px;
  }

  .page-products .pp-step::before {
    left: 17px;
  }

  .page-products .pp-step__num {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .page-products .pp-step::before {
    top: 38px;
  }
}

@media (min-width: 800px) {
  .page-products .pp-methods {
    grid-template-columns: 1.12fr 1fr .86fr;
    gap: 16px;
  }

  .page-products .pp-head {
    margin-bottom: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 820px) {
  .page-products .pp-entries {
    grid-template-columns: 1.06fr 1fr .94fr;
    align-items: start;
    gap: 18px;
  }

  .page-products .pp-entry:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .pp-entry:nth-child(3) {
    margin-top: 52px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-dual {
    grid-template-columns: .82fr 1.34fr;
    align-items: start;
    gap: clamp(18px, 2.6vw, 30px);
  }

  .page-products .pp-install {
    grid-template-columns: minmax(0, 1.32fr) minmax(240px, .78fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(280px, 356px);
    align-items: start;
    gap: clamp(30px, 5vw, 72px);
  }

  .page-products .pp-hero__visual {
    margin-top: -20px;
  }
}

@media (min-width: 1040px) {
  .page-products .pp-v9__list {
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-hero__points li,
  .page-products .pp-entry,
  .page-products .pp-method,
  .page-products .pp-entry::before,
  .page-products .pp-feature__ic::before,
  .page-products .pp-feature__ic::after {
    transition: none;
  }

  .page-products .pp-hero__points li:hover,
  .page-products .pp-entry:hover,
  .page-products .pp-method:hover {
    transform: none;
  }
}