.page-products {
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .vd-crumb-wrap {
  padding-top: 22px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-products .vd-hero {
  position: relative;
  padding: 18px 0 56px;
  background:
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 48%, var(--ink) 100%);
  overflow: hidden;
}

.page-products .vd-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(201, 162, 75, .16), rgba(201, 162, 75, 0) 66%);
  pointer-events: none;
}

.page-products .vd-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  bottom: -78px;
  width: 112%;
  height: 150px;
  background: var(--ink-2);
  transform: skewY(-3deg);
  opacity: .85;
  pointer-events: none;
}

.page-products .vd-hero__shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-products .vd-hero h1 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.85rem, 6.4vw, 3.4rem);
  line-height: 1.26;
  letter-spacing: -.01em;
  margin: 16px 0 0;
  color: var(--sand);
}

.page-products .vd-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--muted);
}

.page-products .vd-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .vd-facts li {
  background: var(--ink-2);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-products .vd-facts__num {
  font-size: 1.55rem;
  line-height: 1;
  color: var(--gold-hi);
}

.page-products .vd-facts__lb {
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 通用小节头 ---------- */
.page-products .vd-sec-head {
  max-width: 70ch;
  margin-bottom: 30px;
}

.page-products .vd-sec-head h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  line-height: 1.32;
  margin: 14px 0 0;
  color: var(--sand);
}

.page-products .vd-sec-lead {
  margin: 14px 0 0;
  font-size: .98rem;
  line-height: 1.92;
  color: var(--muted);
}

/* ---------- 对照板 ---------- */
.page-products .vd-board {
  padding: 62px 0 70px;
  background: var(--ink);
}

.page-products .vd-compare {
  position: relative;
}

.page-products .vd-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  clip-path: inset(50%);
}

.page-products .vd-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .vd-switch__item {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--line-gold);
  background: var(--ink-2);
  color: var(--silver);
  cursor: pointer;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .vd-switch__item:hover {
  border-color: var(--gold-hi);
  color: var(--sand);
}

.page-products .vd-switch__no {
  font-size: 1.05rem;
  line-height: 1;
}

.page-products .vd-switch__lb {
  font-size: .76rem;
  letter-spacing: .07em;
  opacity: .82;
}

.page-products #vd-ver-118:checked ~ .vd-switch label[for="vd-ver-118"],
.page-products #vd-ver-124:checked ~ .vd-switch label[for="vd-ver-124"],
.page-products #vd-ver-131:checked ~ .vd-switch label[for="vd-ver-131"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-products #vd-ver-118:checked ~ .vd-switch label[for="vd-ver-118"] .vd-switch__lb,
.page-products #vd-ver-124:checked ~ .vd-switch label[for="vd-ver-124"] .vd-switch__lb,
.page-products #vd-ver-131:checked ~ .vd-switch label[for="vd-ver-131"] .vd-switch__lb {
  opacity: .78;
}

.page-products #vd-ver-118:focus-visible ~ .vd-switch label[for="vd-ver-118"],
.page-products #vd-ver-124:focus-visible ~ .vd-switch label[for="vd-ver-124"],
.page-products #vd-ver-131:focus-visible ~ .vd-switch label[for="vd-ver-131"] {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}

.page-products .vd-panel {
  display: none;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products #vd-ver-118:checked ~ .vd-panels .vd-panel[data-ver="118"],
.page-products #vd-ver-124:checked ~ .vd-panels .vd-panel[data-ver="124"],
.page-products #vd-ver-131:checked ~ .vd-panels .vd-panel[data-ver="131"] {
  display: grid;
}

.page-products .vd-panel__col {
  padding: 26px 22px;
}

.page-products .vd-panel__col + .vd-panel__col {
  border-top: 1px solid var(--line);
  background: rgba(11, 12, 14, .5);
}

.page-products .vd-panel__no {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .vd-panel__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.32rem;
  line-height: 1.4;
  margin: 12px 0 0;
  color: var(--sand);
}

.page-products .vd-panel__dev {
  margin: 12px 0 0;
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--muted);
}

.page-products .vd-panel__desc {
  margin: 16px 0 0;
  font-size: .93rem;
  line-height: 1.88;
  color: var(--silver);
}

.page-products .vd-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .vd-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .vd-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

/* ---------- 平板对照 ---------- */
.page-products .vd-tablet {
  background: var(--sand);
  color: var(--ink);
  padding: 62px 0 66px;
}

.page-products .vd-tablet .part-no {
  color: #8C6B22;
}

.page-products .vd-tablet .vd-sec-head h2 {
  color: var(--ink);
}

.page-products .vd-tablet .vd-sec-lead {
  color: #4B5058;
}

.page-products .vd-tablet__shot {
  margin-bottom: 32px;
}

.page-products .vd-tablet__grid {
  display: grid;
  gap: 22px;
}

.page-products .vd-tablet__col {
  background: #FFFFFF;
  padding: 24px 22px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-products .vd-tablet__col--land {
  border-top: 3px solid var(--gold);
}

.page-products .vd-tablet__col--port {
  border-top: 3px solid var(--crimson);
}

.page-products .vd-tablet__tag {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .1em;
  color: #7C6A3E;
}

.page-products .vd-tablet__col h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.45;
  margin: 12px 0 0;
  color: var(--ink);
}

.page-products .vd-tablet__col p {
  margin: 12px 0 0;
  font-size: .92rem;
  line-height: 1.86;
  color: #4B5058;
}

.page-products .vd-tablet__col ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .vd-tablet__col li {
  position: relative;
  padding-left: 18px;
  font-size: .86rem;
  line-height: 1.75;
  color: #5A606A;
}

.page-products .vd-tablet__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 2px;
  background: #B9BEC6;
}

.page-products .vd-note {
  margin: 28px 0 0;
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(201, 162, 75, .1);
  font-size: .9rem;
  line-height: 1.86;
  color: #43484F;
}

.page-products .vd-note--dark {
  background: rgba(201, 162, 75, .08);
  color: var(--silver);
}

/* ---------- 差异比照 ---------- */
.page-products .vd-diff {
  padding: 62px 0 70px;
  background: var(--ink);
}

.page-products .vd-diff__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .vd-diff__bar label {
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--muted);
  font-size: .83rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .vd-diff__bar label:hover {
  border-color: var(--line-gold);
  color: var(--sand);
}

.page-products #vd-df-all:checked ~ .vd-diff__bar label[for="vd-df-all"],
.page-products #vd-df-nav:checked ~ .vd-diff__bar label[for="vd-df-nav"],
.page-products #vd-df-idx:checked ~ .vd-diff__bar label[for="vd-df-idx"],
.page-products #vd-df-ver:checked ~ .vd-diff__bar label[for="vd-df-ver"],
.page-products #vd-df-tab:checked ~ .vd-diff__bar label[for="vd-df-tab"],
.page-products #vd-df-txt:checked ~ .vd-diff__bar label[for="vd-df-txt"] {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--sand);
}

.page-products #vd-df-all:focus-visible ~ .vd-diff__bar label[for="vd-df-all"],
.page-products #vd-df-nav:focus-visible ~ .vd-diff__bar label[for="vd-df-nav"],
.page-products #vd-df-idx:focus-visible ~ .vd-diff__bar label[for="vd-df-idx"],
.page-products #vd-df-ver:focus-visible ~ .vd-diff__bar label[for="vd-df-ver"],
.page-products #vd-df-tab:focus-visible ~ .vd-diff__bar label[for="vd-df-tab"],
.page-products #vd-df-txt:focus-visible ~ .vd-diff__bar label[for="vd-df-txt"] {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}

.page-products .vd-diff__body {
  border-top: 1px solid var(--line-gold);
}

.page-products .vd-diff__row {
  display: none;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  padding: 18px 18px 18px 20px;
  border-left: 3px solid var(--crimson);
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
  transition: background var(--dur) ease;
}

.page-products .vd-diff__row:hover {
  background: var(--ink-3);
}

.page-products #vd-df-all:checked ~ .vd-diff__body .vd-diff__row {
  display: grid;
}

.page-products #vd-df-nav:checked ~ .vd-diff__body .vd-diff__row,
.page-products #vd-df-idx:checked ~ .vd-diff__body .vd-diff__row,
.page-products #vd-df-ver:checked ~ .vd-diff__body .vd-diff__row,
.page-products #vd-df-tab:checked ~ .vd-diff__body .vd-diff__row,
.page-products #vd-df-txt:checked ~ .vd-diff__body .vd-diff__row {
  display: none;
}

.page-products #vd-df-nav:checked ~ .vd-diff__body .vd-diff__row[data-cat="nav"],
.page-products #vd-df-idx:checked ~ .vd-diff__body .vd-diff__row[data-cat="idx"],
.page-products #vd-df-ver:checked ~ .vd-diff__body .vd-diff__row[data-cat="ver"],
.page-products #vd-df-tab:checked ~ .vd-diff__body .vd-diff__row[data-cat="tab"],
.page-products #vd-df-txt:checked ~ .vd-diff__body .vd-diff__row[data-cat="txt"] {
  display: grid;
}

.page-products .vd-diff__cat {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .13em;
  color: var(--gold);
}

.page-products .vd-diff__txt {
  margin: 0;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--silver);
}

.page-products .vd-diff__scope {
  margin: 0;
  font-size: .79rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 对照资料 ---------- */
.page-products .vd-kit {
  background: var(--paper);
  color: var(--ink);
  padding: 62px 0 68px;
}

.page-products .vd-kit .part-no {
  color: #7E6020;
}

.page-products .vd-kit .vd-sec-head h2 {
  color: var(--ink);
}

.page-products .vd-kit .vd-sec-lead {
  color: #494E55;
}

.page-products .vd-kit__layout {
  display: grid;
  gap: 32px;
}

.page-products .vd-kit__list {
  display: grid;
  gap: 0;
}

.page-products .vd-kit__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 22px 0;
  border-top: 1px solid rgba(11, 12, 14, .16);
}

.page-products .vd-kit__item:last-of-type {
  border-bottom: 1px solid rgba(11, 12, 14, .16);
}

.page-products .vd-kit__no {
  margin: 0;
  font-size: .9rem;
  letter-spacing: .1em;
  color: #8C6B22;
}

.page-products .vd-kit__body h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.45;
  margin: 0;
  color: var(--ink);
}

.page-products .vd-kit__body p {
  margin: 10px 0 0;
  font-size: .91rem;
  line-height: 1.86;
  color: #4B5058;
}

.page-products .vd-kit__use {
  font-size: .84rem !important;
  color: #6B6257 !important;
}

.page-products .vd-kit__hint {
  margin: 24px 0 0;
  font-size: .89rem;
  line-height: 1.86;
  color: #4B5058;
}

.page-products .vd-kit__hint a {
  color: #7E6020;
  text-decoration: none;
  border-bottom: 1px solid rgba(126, 96, 32, .5);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .vd-kit__hint a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-products .vd-kit__shot {
  margin: 0;
}

/* ---------- 按设备挑版本 ---------- */
.page-products .vd-device {
  padding: 62px 0 70px;
  background: var(--ink);
}

.page-products .vd-device__layout {
  display: grid;
  gap: 34px;
}

.page-products .vd-device__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .vd-device__item {
  background: var(--ink-2);
  padding: 24px 22px;
  display: grid;
  gap: 10px;
}

.page-products .vd-device__dev {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-products .vd-device__pick {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.45;
  color: var(--gold-hi);
}

.page-products .vd-device__pick .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .06em;
}

.page-products .vd-device__why {
  margin: 0;
  font-size: .89rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .vd-device__shot {
  margin: 0;
}

/* ---------- 变更追溯 ---------- */
.page-products .vd-trace {
  padding: 58px 0 74px;
  background: var(--ink-2);
}

.page-products .vd-trace__shell {
  display: grid;
  gap: 34px;
}

.page-products .vd-trace__main h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.4vw, 2.15rem);
  line-height: 1.34;
  margin: 14px 0 0;
  color: var(--sand);
}

.page-products .vd-trace__main p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-products .vd-trace__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .vd-trace__shot {
  margin: 0 0 22px;
}

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

.page-products .vd-trace__list li {
  position: relative;
  padding-left: 22px;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-products .vd-trace__list li .mono {
  display: inline-block;
  min-width: 3.6em;
  margin-right: 8px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .vd-trace__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 10px;
  height: 2px;
  background: var(--crimson);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .vd-tablet__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .vd-diff__row {
    grid-template-columns: 132px minmax(0, 1fr) 250px;
    align-items: start;
    gap: 24px;
    padding: 20px 22px 20px 24px;
  }
}

@media (min-width: 900px) {
  .page-products .vd-hero {
    padding: 30px 0 76px;
  }

  .page-products .vd-hero__shell {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .vd-hero__aside {
    align-self: end;
  }

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

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

  .page-products .vd-panel__col {
    padding: 34px 30px;
  }

  .page-products .vd-panel__col + .vd-panel__col {
    border-top: 0;
    border-left: 1px solid rgba(185, 190, 198, .34);
  }

  .page-products .vd-kit__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    align-items: start;
    gap: 46px;
  }

  .page-products .vd-device__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 46px;
  }

  .page-products .vd-trace__shell {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vd-switch__item,
  .page-products .vd-diff__bar label,
  .page-products .vd-diff__row,
  .page-products .vd-kit__hint a {
    transition: none;
  }
}