.page-products {
  --pp-gap: clamp(64px, 9vw, 128px);
  --pp-body-text: #C3CBD6;
  --pp-paper-text: #3A372E;
  background: var(--ink);
  color: var(--paper-white);
  font-family: var(--font-sans);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: clip;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: inherit;
}

/* ---------- hero ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(18px, 3vw, 28px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(760px 420px at 86% -12%, rgba(70, 211, 192, 0.16), transparent 68%),
    radial-gradient(680px 420px at 4% 108%, rgba(184, 242, 75, 0.12), transparent 70%),
    var(--ink);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  right: -130px;
  width: min(620px, 72vw);
  height: min(620px, 72vw);
  border-radius: 48% 52% 46% 54% / 52% 44% 56% 48%;
  background: linear-gradient(150deg, rgba(184, 242, 75, 0.18), rgba(70, 211, 192, 0.07) 55%, transparent 78%);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--slate) 18%, var(--slate) 82%, transparent);
}

.page-products .breadcrumb {
  position: relative;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-products .pp-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-products h1 {
  font-size: clamp(2.5rem, 6.6vw, 5.2rem);
  max-width: 16ch;
  margin-top: 14px;
}

.page-products .pp-hero__intro {
  margin-top: 22px;
  max-width: 42ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.95;
  color: var(--pp-body-text);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero__status {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--slate);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, var(--panel), var(--panel-deep));
}

.page-products .pp-hero__statuskey {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-products .pp-hero__status ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-hero__status li {
  display: grid;
  gap: 6px;
}

.page-products .pp-hero__status li span:last-child {
  font-size: 0.8rem;
  color: var(--gray);
}

.page-products .pp-hero__statusfoot {
  padding-top: 12px;
  border-top: 1px dashed var(--slate);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .pp-stat {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

/* ---------- .page-products + toc ---------- */
.page-products .pp-body {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-top: clamp(40px, 6vw, 76px);
  align-items: start;
}

.page-products .pp-toc {
  display: none;
}

.page-products .pp-toc__label {
  margin-bottom: 14px;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-products .pp-toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.86rem;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-products .pp-toc a .mono {
  font-size: 0.7rem;
  color: var(--mist);
  transition: color 0.25s var(--ease);
}

.page-products .pp-toc a:hover,
.page-products .pp-toc a:focus-visible,
.page-products .pp-toc a.is-active {
  color: var(--lime);
}

.page-products .pp-toc a:hover .mono,
.page-products .pp-toc a.is-active .mono {
  color: var(--lime);
}

/* ---------- sections ---------- */
.page-products .pp-sections {
  display: grid;
  gap: var(--pp-gap);
  min-width: 0;
}

.page-products .pp-section {
  min-width: 0;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products .pp-section .chapter-head {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-products .pp-lead {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 30px);
  font-size: clamp(1rem, 1.5vw, 1.06rem);
  line-height: 1.95;
  color: var(--pp-body-text);
}

.page-products .pp-figure {
  position: relative;
  margin: 0 0 clamp(24px, 4vw, 38px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--slate);
  border-radius: var(--r-lg);
  background: var(--panel-deep);
}

.page-products .pp-figure--device {
  aspect-ratio: 14 / 9;
  margin-bottom: 0;
}

.page-products .pp-figure--side {
  aspect-ratio: 3 / 2;
  margin-bottom: 0;
}

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

.page-products .media-frame__tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 5px 12px;
  border: 1px solid var(--slate);
  border-radius: var(--pill);
  background: rgba(10, 16, 28, 0.74);
  color: var(--cyan);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
}

.page-products .pp-tailnote {
  margin-top: 22px;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--gray);
}

.page-products .pp-tailnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(70, 211, 192, 0.42);
}

.page-products .pp-tailnote a:hover,
.page-products .pp-tailnote a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- class map ---------- */
.page-products .pp-classgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .pp-cat {
  padding: 2px 18px;
  border: 1px solid var(--slate);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .pp-cat[open] {
  border-color: rgba(184, 242, 75, 0.42);
  background: var(--panel-deep);
}

.page-products .pp-cat summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.page-products .pp-cat__name {
  margin-right: auto;
}

.page-products .pp-cat__count {
  font-size: 0.68rem;
  color: var(--mist);
  letter-spacing: 0.06em;
}

.page-products .pp-cat summary::after {
  content: "＋";
  font-size: 0.95rem;
  line-height: 1;
  color: var(--lime);
  transition: transform 0.3s var(--ease);
}

.page-products .pp-cat[open] summary::after {
  transform: rotate(45deg);
}

.page-products .pp-cat__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 16px;
  list-style: none;
}

/* ---------- nav path ---------- */
.page-products .pp-navdemo {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 32px);
  padding: 14px;
  border: 1px dashed var(--slate);
  border-radius: var(--r-md);
  background: var(--panel-deep);
}

.page-products .pp-navdemo__slot {
  flex: 1 1 96px;
  padding: 10px 8px;
  border: 1px solid var(--slate);
  border-radius: var(--pill);
  text-align: center;
  font-size: 0.8rem;
  color: var(--mist);
}

.page-products .pp-navdemo__slot--on {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.page-products .pp-steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-products .pp-steps li {
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--slate);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, var(--panel), rgba(20, 26, 36, 0) 130%);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--pp-body-text);
}

.page-products .pp-steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pp-steps strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper-white);
  font-weight: 700;
}

/* ---------- download ---------- */
.page-products .pp-download {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--slate);
  border-radius: var(--r-lg);
  background:
    linear-gradient(155deg, rgba(255, 122, 61, 0.13), transparent 44%),
    linear-gradient(160deg, var(--panel), var(--panel-deep));
}

.page-products .pp-download__text > p {
  line-height: 1.95;
  color: var(--pp-body-text);
}

.page-products .pp-dl-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-dl-list li {
  display: grid;
  grid-template-columns: 4.8rem minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--slate);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--pp-body-text);
}

.page-products .pp-dl-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .pp-dl-list .mono {
  font-size: 0.74rem;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-products .pp-copyline {
  margin-top: 22px;
  padding: 12px 16px;
  border: 1px dashed rgba(255, 122, 61, 0.44);
  border-radius: var(--r-sm);
  background: rgba(255, 122, 61, 0.1);
  font-size: 0.74rem;
  line-height: 1.75;
  color: var(--orange);
  word-break: break-word;
  user-select: all;
}

/* ---------- versions ---------- */
.page-products .pp-vergrid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-products .pp-verlist {
  padding: 4px 20px;
  border: 1px solid var(--slate);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-products .pp-verlist summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
}

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

.page-products .pp-verlist summary::after {
  content: "展开";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--cyan);
}

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

.page-products .pp-verlist ol {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0 0 18px;
  list-style: none;
}

.page-products .pp-verlist li {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 4px 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--slate);
}

.page-products .pp-verlist li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .pp-verlist li .mono {
  font-size: 0.8rem;
  color: var(--lime);
}

.page-products .pp-verlist li > span:nth-child(2) {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mist);
}

.page-products .pp-verlist li p {
  grid-column: 2;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--pp-body-text);
}

/* ---------- devices ---------- */
.page-products .pp-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .pp-device {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border: 1px solid var(--slate);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-products .pp-device:hover,
.page-products .pp-device:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(184, 242, 75, 0.55);
  background: var(--panel-deep);
}

.page-products .pp-device__key {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .pp-device h3 {
  font-size: 1.12rem;
}

.page-products .pp-device__note {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--pp-body-text);
}

.page-products .pp-device__extra {
  display: none;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--slate);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- favorites (paper) ---------- */
.page-products .pp-paper {
  position: relative;
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--paper-ink);
  overflow: hidden;
}

.page-products .pp-paper::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(24, 23, 18, 0.05) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-products .pp-paper .chapter-head,
.page-products .pp-papergrid {
  position: relative;
}

.page-products .pp-paper .chapter-num {
  color: rgba(24, 23, 18, 0.52);
}

.page-products .pp-papergrid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .pp-prose p {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--pp-paper-text);
}

.page-products .pp-prose p + p {
  margin-top: 16px;
}

.page-products .pp-savedlist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.page-products .pp-savedlist li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(24, 23, 18, 0.22);
  color: var(--pp-paper-text);
}

.page-products .pp-savedlist .mono {
  color: #A34A14;
  white-space: nowrap;
}

/* ---------- partners ---------- */
.page-products .pp-partner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--slate);
  border-radius: var(--r-lg);
  background:
    radial-gradient(520px 260px at 94% 0%, rgba(184, 242, 75, 0.15), transparent 70%),
    linear-gradient(150deg, var(--panel-deep), var(--panel));
}

.page-products .pp-partner__text p {
  line-height: 1.95;
  color: var(--pp-body-text);
}

.page-products .pp-partner__text p + p {
  margin-top: 14px;
}

.page-products .pp-partner__stats {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-partner__stats li {
  display: grid;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid var(--lime);
}

.page-products .pp-partner__stats span:last-child {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-products .pp-classgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-products .pp-download {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-products .pp-vergrid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pp-papergrid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-products .pp-partner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.78fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1040px) {
  .page-products .pp-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .pp-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-left: 16px;
    border-left: 1px solid var(--slate);
  }
}

@media (min-width: 1100px) {
  .page-products .pp-classgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (hover: hover) and (min-width: 620px) {
  .page-products .pp-device__extra {
    display: block;
    opacity: 0;
    transition: opacity 0.35s var(--ease);
  }

  .page-products .pp-device:hover .pp-device__extra,
  .page-products .pp-device:focus-visible .pp-device__extra,
  .page-products .pp-device:focus-within .pp-device__extra {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-device,
  .page-products .pp-cat summary::after,
  .page-products .pp-toc a,
  .page-products .pp-device__extra {
    transition: none;
  }

  .page-products .pp-device:hover,
  .page-products .pp-device:focus-visible {
    transform: none;
  }
}