.page-products {
  --pp-glow: rgba(66, 245, 200, .14);
  display: block;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .section {
  padding-block: clamp(30px, 5vw, 62px);
}

.page-products [id] {
  scroll-margin-top: 96px;
}

.page-products .section__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 6px 0 10px;
}

.page-products .section__head p {
  color: var(--text-dim);
  line-height: 1.75;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-products .dl-hero__text {
  max-width: 68ch;
}

.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  margin: 10px 0 16px;
}

.page-products .dl-hero__lede {
  color: var(--text-dim);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  margin: 0 0 22px;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .dl-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  font-size: .875rem;
  color: var(--text-dim);
}

.page-products .dl-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-products .dl-hero__meta li + li {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.page-products .dl-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--mint);
  letter-spacing: .04em;
}

.page-products .dl-strip {
  position: relative;
  margin: clamp(24px, 4vw, 42px) 0 0;
  border: 1px solid var(--line);
  background:
    radial-gradient(110% 130% at 8% 0%, var(--pp-glow), transparent 58%),
    var(--ink-800);
  overflow: hidden;
}

.page-products .dl-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  filter: saturate(.95) contrast(1.03);
}

.page-products .dl-strip .figure__caption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-size: .8125rem;
  line-height: 1.6;
}

/* ---------- 锚点导航 ---------- */
.page-products .jump {
  position: sticky;
  top: 0;
  z-index: 30;
  margin-top: clamp(26px, 4vw, 46px);
  background: rgba(7, 19, 31, .95);
  border-block: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-products .jump__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 8px;
}

.page-products .jump__label {
  flex: none;
  font-size: .6875rem;
  letter-spacing: .18em;
  color: var(--mint);
  padding-right: 12px;
  border-right: 1px solid var(--line);
}

.page-products .jump__list {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 2px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .jump__list::-webkit-scrollbar {
  display: none;
}

.page-products .jump__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-size: .8125rem;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .jump__list a:hover,
.page-products .jump__list a:focus-visible {
  color: var(--mint-soft);
  border-color: var(--line);
  background: var(--ink-700);
}

/* ---------- 版本卡 ---------- */
.page-products .ver-stack {
  display: grid;
  gap: 16px;
}

.page-products .ver-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  background: linear-gradient(180deg, var(--ink-700), var(--ink-800) 78%);
  border: 1px solid var(--line);
  border-top: 3px solid var(--mint);
  box-shadow: var(--shadow-sheet);
}

.page-products .ver-card--stable {
  border-top-color: var(--coral);
}

.page-products .ver-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .ver-card__line {
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--text-faint);
}

.page-products .ver-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  line-height: 1.15;
  margin: 0;
}

.page-products .ver-card__desc {
  margin: 0;
  color: var(--text-dim);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-products .ver-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .ver-card__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .ver-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--mint);
  transform: skewX(-20deg);
}

.page-products .ver-card--stable .ver-card__list li::before {
  background: var(--coral);
}

.page-products .ver-card__env {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--text-faint);
  line-height: 1.6;
}

.page-products .ver-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

@media (min-width: 880px) {
  .page-products .ver-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 20px;
    padding-bottom: 54px;
  }

  .page-products .ver-card--mobile {
    margin-top: 48px;
  }

  .page-products .ver-card--stable {
    margin-top: 20px;
  }

  .page-products .ver-card {
    min-height: 100%;
    padding: 24px 22px 22px;
  }
}

/* ---------- 对照表 ---------- */
.page-products .compare {
  display: grid;
  gap: 22px;
}

.page-products .compare__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .compare__table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: .875rem;
}

.page-products .compare__table th,
.page-products .compare__table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.6;
}

.page-products .compare__table thead th {
  background: rgba(66, 245, 200, .1);
  color: var(--mint-soft);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(66, 245, 200, .32);
  white-space: nowrap;
}

.page-products .compare__table tbody th {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  background: var(--ink-700);
}

.page-products .compare__table td {
  color: var(--text-dim);
}

.page-products .compare__table td.mono {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--text);
}

.page-products .compare__table tbody tr:hover td,
.page-products .compare__table tbody tr:hover th {
  background: rgba(18, 46, 68, .85);
  color: var(--text);
}

.page-products .compare__table tr.is-diff td:first-of-type,
.page-products .compare__table tr.is-diff th {
  box-shadow: inset 3px 0 0 var(--coral);
}

.page-products .compare__table tr.is-diff td {
  background: rgba(255, 122, 92, .05);
}

.page-products .compare__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .compare__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .export {
  padding: 18px 16px;
  background: var(--paper);
  color: var(--paper-ink);
  border-top: 3px solid var(--coral);
  box-shadow: var(--shadow-sheet);
}

.page-products .export__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: .01em;
  color: var(--paper-ink);
}

.page-products .export p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: #24384a;
}

.page-products .export__details {
  margin-top: 12px;
  border-top: 1px solid rgba(11, 30, 47, .16);
  padding-top: 10px;
}

.page-products .export__details summary {
  cursor: pointer;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--coral-deep);
  list-style: none;
}

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

.page-products .export__details summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-products .export__details[open] summary::before {
  content: "− ";
}

.page-products .export__dl {
  margin: 10px 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: #24384a;
}

.page-products .export__dl dt {
  font-weight: 600;
  color: var(--paper-ink);
  font-size: .75rem;
  letter-spacing: .08em;
  margin-top: 8px;
}

.page-products .export__dl dd {
  margin: 2px 0 0;
}

@media (min-width: 980px) {
  .page-products .compare {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .85fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .compare__side {
    position: sticky;
    top: 86px;
  }
}

/* ---------- 规则说明 ---------- */
.page-products .rulebook {
  background:
    linear-gradient(180deg, rgba(18, 46, 68, .55), transparent 40%),
    var(--ink-900);
}

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

.page-products .rule-card {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-products .rule-card::after {
  content: "";
  position: absolute;
  inset: 6px 6px auto auto;
  width: 26px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--line) 0 4px, transparent 4px 8px);
}

.page-products .rule-card__num {
  display: inline-block;
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--ink-900);
  background: var(--mint);
  padding: 2px 9px;
  margin: 0 0 12px;
}

.page-products .rule-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  margin: 0 0 8px;
  line-height: 1.15;
}

.page-products .rule-card__lede {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .rule-card__details {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.page-products .rule-card__details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--mint);
  transition: color .18s var(--ease);
}

.page-products .rule-card__details summary::-webkit-details-marker {
  display: none;
}

.page-products .rule-card__details summary::after {
  content: " ▾";
}

.page-products .rule-card__details[open] summary::after {
  content: " ▴";
}

.page-products .rule-card__details summary:hover {
  color: var(--mint-soft);
}

.page-products .rule-card__details ul {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .rule-card__details li + li {
  margin-top: 6px;
}

.page-products .rulebook__figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

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

@media (min-width: 880px) {
  .page-products .rulebook__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

/* ---------- 图文分栏 ---------- */
.page-products .split {
  display: grid;
  gap: 20px;
}

.page-products .split__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  margin: 6px 0 14px;
}

.page-products .split__text p {
  color: var(--text-dim);
  line-height: 1.8;
  margin: 0 0 14px;
}

.page-products .split__text a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .split__text a:hover {
  color: var(--mint-soft);
}

.page-products .split__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: .875rem;
  line-height: 1.65;
}

.page-products .split__list li {
  padding: 10px 14px;
  background: var(--ink-800);
  border-left: 2px solid var(--mint);
  color: var(--text-dim);
}

.page-products .split__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-products .mini-notes {
  display: grid;
  gap: 8px;
  margin: 18px 0 14px;
}

.page-products .mini-notes__item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 0;
  padding: 9px 13px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  font-size: .84rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .mini-notes__item .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--coral);
  letter-spacing: .08em;
}

.page-products .split__tail {
  font-size: .875rem;
  color: var(--text-faint);
}

@media (min-width: 900px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 34px;
    align-items: center;
  }

  .page-products .split--mediafirst {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .split--mediafirst .split__text {
    max-width: 78ch;
  }
}

/* ---------- 安装步骤 ---------- */
.page-products .steps__wrap {
  display: grid;
  gap: 24px;
}

.page-products .steps__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 18px;
}

.page-products .steps__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--mint) 0 6px, transparent 6px 12px);
  opacity: .55;
}

.page-products .step {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-products .step__num {
  position: absolute;
  left: -26px;
  top: 16px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .02em;
  color: var(--ink-900);
  background: var(--mint);
  border-radius: 50%;
}

.page-products .step__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: .01em;
}

.page-products .step__body p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .steps__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
  max-width: 420px;
}

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

@media (min-width: 900px) {
  .page-products .steps__wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 34px;
    align-items: start;
  }
}

/* ---------- 兼容检查 ---------- */
.page-products .compat {
  padding: clamp(20px, 3vw, 34px);
  background: var(--paper);
  color: var(--paper-ink);
  border-top: 3px solid var(--mint);
  box-shadow: var(--shadow-sheet);
}

.page-products .compat .eyebrow {
  color: var(--coral-deep);
}

.page-products .compat__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.12;
  margin: 6px 0 12px;
}

.page-products .compat__head p {
  margin: 0;
  max-width: 66ch;
  font-size: .9375rem;
  line-height: 1.78;
  color: #2a3f52;
}

.page-products .compat__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .compat__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: rgba(11, 30, 47, .045);
  border: 1px solid rgba(11, 30, 47, .12);
}

.page-products .compat__box {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 2px solid var(--coral-deep);
  position: relative;
}

.page-products .compat__box::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 1px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--coral-deep);
  border-bottom: 2px solid var(--coral-deep);
  transform: rotate(-45deg);
}

.page-products .compat__label {
  margin: 0 0 3px;
  font-weight: 700;
  font-size: .9375rem;
  color: var(--paper-ink);
}

.page-products .compat__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: #2a3f52;
}

.page-products .compat__tail {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 30, 47, .22);
  font-size: .875rem;
  line-height: 1.75;
  color: #2a3f52;
}

.page-products .compat__tail a {
  color: var(--coral-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 820px) {
  .page-products .compat__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .compat__item:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 收尾 ---------- */
.page-products .closing__panel {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3.4vw, 36px);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(255, 122, 92, .16), transparent 62%),
    linear-gradient(180deg, var(--ink-700), var(--ink-800));
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--coral);
}

.page-products .closing__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.14;
  margin: 0 0 10px;
}

.page-products .closing__text p {
  margin: 0;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-products .closing__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-products .closing__plain {
  color: var(--text-faint);
  font-size: .84rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .closing__plain:hover {
  color: var(--mint-soft);
}

@media (min-width: 900px) {
  .page-products .closing__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr);
    align-items: center;
    gap: 30px;
  }

  .page-products .closing__links {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .jump__list a,
  .page-products .rule-card__details summary {
    transition: none;
  }
}