.page-products {
  --pkg-surface: #16233a;
  --readout-line: rgba(244, 239, 228, 0.14);
  --ink-soft: rgba(232, 238, 248, 0.76);
  --ink-faint: rgba(232, 238, 248, 0.56);
  --paper-soft: rgba(42, 50, 66, 0.78);
  --paper-line: rgba(10, 19, 34, 0.14);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  padding: 112px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(760px 380px at 86% -6%, rgba(228, 64, 42, 0.26), transparent 70%),
    radial-gradient(560px 340px at 4% 10%, rgba(34, 184, 166, 0.14), transparent 74%),
    var(--ink);
}

.page-products .hero::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: 24px;
  width: 420px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(245, 166, 35, 0.5) 0 12px, transparent 12px 26px);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-products .hero-grid {
  display: grid;
  gap: 36px;
}

.page-products .hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-text);
  max-width: 15em;
}

.page-products .eyebrow {
  margin: 0;
}

.page-products .hero-lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 版本卡 */
.page-products .version-plate {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 26px;
  padding: 16px 18px;
  max-width: 520px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(140deg, rgba(228, 64, 42, 0.18), rgba(19, 31, 51, 0.94) 58%);
  box-shadow: var(--shadow-hard);
}

.page-products .version-figure {
  flex: 0 0 88px;
  width: 88px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(251, 226, 180, 0.42);
}

.page-products .version-figure img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  max-width: 100%;
}

.page-products .version-digits {
  min-width: 0;
}

.page-products .version-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--jade);
}

.page-products .version-number {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(44px, 9vw, 68px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 0.01em;
  color: var(--gold-pale);
}

.page-products .build-no {
  margin-left: 6px;
  font-size: 0.26em;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-products .version-meta {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--ink-faint);
}

/* 包体切换 */
.page-products .hero-side {
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(19, 31, 51, 0.96), rgba(10, 19, 34, 0.96));
  box-shadow: var(--shadow-flame);
}

.page-products .side-title {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--jade);
}

.page-products .pkg-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pkg-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-products .pkg-card {
  position: relative;
  display: block;
  padding: 14px;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(10, 19, 34, 0.66);
  box-shadow: 4px 4px 0 rgba(251, 226, 180, 0.12);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pkg-name {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

.page-products .pkg-size {
  display: block;
  margin: 6px 0 6px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-text);
}

.page-products .pkg-note {
  display: block;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-faint);
}

.page-products #pkg-std:checked ~ .pkg-cards label[for="pkg-std"],
.page-products #pkg-lite:checked ~ .pkg-cards label[for="pkg-lite"] {
  border-color: var(--gold);
  background: linear-gradient(160deg, rgba(228, 64, 42, 0.26), rgba(245, 166, 35, 0.1));
  transform: translateY(-2px);
  box-shadow: 5px 5px 0 rgba(245, 166, 35, 0.2);
}

.page-products #pkg-std:checked ~ .pkg-cards label[for="pkg-std"] .pkg-name,
.page-products #pkg-lite:checked ~ .pkg-cards label[for="pkg-lite"] .pkg-name {
  color: var(--gold-pale);
}

.page-products #pkg-std:focus-visible ~ .pkg-cards label[for="pkg-std"],
.page-products #pkg-lite:focus-visible ~ .pkg-cards label[for="pkg-lite"] {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-products .pkg-readout {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--readout-line);
}

.page-products .pkg-readout--lite {
  display: none;
}

.page-products #pkg-lite:checked ~ .pkg-readout--std {
  display: none;
}

.page-products #pkg-lite:checked ~ .pkg-readout--lite {
  display: block;
}

.page-products .readout-list {
  margin: 0;
  display: grid;
  gap: 9px;
}

.page-products .readout-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-products .readout-list dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.page-products .readout-list dd {
  margin: 0;
  font-size: 14px;
  text-align: right;
  color: var(--ink-text);
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding: 60px 0;
}

.page-products .section-head {
  margin-bottom: 32px;
  max-width: 720px;
}

.page-products .chapter-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--flame);
}

.page-products .section h2 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.26;
  color: var(--ink-text);
}

.page-products .section-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .figure {
  margin: 0 0 28px;
}

.page-products .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
}

.page-products .figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

/* 纸白章节 */
.page-products .section--paper h2 {
  color: var(--paper-text);
}

.page-products .section--paper .section-lede {
  color: var(--paper-soft);
}

.page-products .section--paper .chapter-num {
  color: var(--flame);
}

.page-products .section--paper .figure img {
  border-color: var(--paper-line);
  box-shadow: 6px 6px 0 rgba(10, 19, 34, 0.1);
}

.page-products .section--paper .figure figcaption {
  color: rgba(42, 50, 66, 0.6);
}

.page-products .section--paper a {
  color: var(--blue);
}

/* ---------- 01 包体对照 ---------- */
.page-products .compare-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
}

.page-products .compare-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.6;
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 14px 16px;
  text-align: left;
  border: 1px solid var(--paper-line);
}

.page-products .compare-table thead th {
  background: linear-gradient(90deg, var(--flame), var(--gold) 74%);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-color: rgba(255, 255, 255, 0.24);
}

.page-products .compare-table tbody th {
  width: 26%;
  font-weight: 600;
  color: var(--paper-text);
  background: rgba(10, 19, 34, 0.05);
}

.page-products .compare-table tbody td {
  color: var(--paper-soft);
}

.page-products .compare-table tbody tr:nth-child(even) td,
.page-products .compare-table tbody tr:nth-child(even) th {
  background: rgba(34, 184, 166, 0.12);
}

.page-products .compare-table tbody tr:nth-child(even) th {
  background: rgba(34, 184, 166, 0.2);
}

.page-products .compare-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--flame);
  background: rgba(228, 64, 42, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-text);
}

/* ---------- 02 线路 ---------- */
.page-products .lines-grid {
  display: grid;
  gap: 30px;
}

.page-products .line-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .line-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .line-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--track-gradient);
}

.page-products .lines-figure {
  margin: 0;
}

.page-products .lines-figure img {
  border-color: rgba(245, 166, 35, 0.32);
}

/* ---------- 03 三步 ---------- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .step {
  position: relative;
  padding: 22px 18px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(19, 31, 51, 0.72);
  box-shadow: var(--shadow-hard);
}

.page-products .step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 12px 12px 0 0;
  background: var(--track-gradient);
}

.page-products .step-num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
}

.page-products .step-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-text);
}

.page-products .step-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .step-pitfall {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--yellow);
  background: rgba(242, 201, 76, 0.1);
  border-radius: 0 8px 8px 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(232, 238, 248, 0.84);
}

.page-products .steps-foot {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--ink-faint);
}

.page-products .steps-foot a {
  color: var(--gold-pale);
}

/* ---------- 04 设备 ---------- */
.page-products .device-grid {
  display: grid;
  gap: 28px;
}

.page-products .device-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .device-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-products .device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jade);
}

.page-products .device-list strong {
  color: var(--paper-text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .device-figure {
  margin: 0;
}

/* ---------- 05 版本演进 ---------- */
.page-products .version-track {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 30px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-products .version-track::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--flame), rgba(228, 64, 42, 0.12));
}

.page-products .version-item {
  position: relative;
}

.page-products .version-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--flame);
  box-shadow: 0 0 0 3px rgba(228, 64, 42, 0.2);
}

.page-products .version-item details {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(19, 31, 51, 0.66);
  overflow: hidden;
  transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .version-item details[open] {
  border-color: rgba(245, 166, 35, 0.5);
  box-shadow: inset 3px 0 0 var(--flame);
}

.page-products .version-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .v-tag {
  padding: 2px 8px;
  border: 1px solid rgba(245, 166, 35, 0.5);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold-pale);
}

.page-products .v-headline {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-text);
}

.page-products .v-more {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--jade);
}

.page-products .v-more::after {
  content: " ＋";
}

.page-products .version-item details[open] .v-more::after {
  content: " －";
}

.page-products .v-body {
  padding: 0 18px 18px;
}

.page-products .v-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 06 收藏 ---------- */
.page-products .fav-grid {
  display: grid;
  gap: 30px;
}

.page-products .fav-figure {
  margin: 0;
}

.page-products .fav-figure img {
  border-radius: 12px;
  max-width: 460px;
}

.page-products .fav-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .fav-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-products .fav-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--flame), var(--gold));
}

/* ---------- 收尾 ---------- */
.page-products .closing {
  padding: 52px 0 64px;
  background:
    radial-gradient(520px 260px at 92% 0%, rgba(245, 166, 35, 0.16), transparent 70%),
    var(--panel);
  border-top: 1px solid var(--line);
}

.page-products .closing-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-products .closing h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--ink-text);
}

.page-products .closing-copy p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .hero {
    padding: 128px 0 76px;
  }

  .page-products .section {
    padding: 76px 0;
  }

  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -20px;
    width: 16px;
    border-top: 2px dashed rgba(245, 166, 35, 0.6);
  }

  .page-products .closing-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(340px, 0.88fr);
    align-items: start;
    gap: 52px;
  }

  .page-products .lines-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .device-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .fav-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 52px;
  }
}

@media (max-width: 420px) {
  .page-products .pkg-cards {
    grid-template-columns: 1fr;
  }

  .page-products .version-plate {
    flex-wrap: wrap;
  }

  .page-products .version-figure {
    flex-basis: 72px;
    width: 72px;
  }
}

已在上方输出。