/* ===== 页面作用域变量 ===== */
.page-products {
  --p-card: linear-gradient(158deg, rgba(18, 43, 66, .94), rgba(8, 23, 38, .98));
  --p-edge: 1px solid var(--line);
  --p-gap: clamp(1.1rem, 3vw, 2rem);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-head);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products h2 {
  font-size: clamp(1.55rem, 4.6vw, 2.55rem);
  line-height: 1.14;
  margin: .3rem 0 .7rem;
}

.page-products h3 {
  font-size: clamp(1.02rem, 2.6vw, 1.2rem);
  line-height: 1.3;
  margin: 0 0 .4rem;
}

.page-products p { margin: 0 0 .8em; line-height: 1.7; }

.page-products .p-lede {
  color: var(--mist);
  max-width: 62ch;
  font-size: clamp(.96rem, 2.4vw, 1.06rem);
}

.page-products .p-small {
  font-size: .88rem;
  color: var(--mist);
}

.page-products .p-small a,
.page-products .p-tip a,
.page-products .p-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  padding-bottom: 1px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .p-small a:hover,
.page-products .p-small a:focus-visible,
.page-products .p-tip a:hover,
.page-products .p-tip a:focus-visible,
.page-products .p-links a:hover,
.page-products .p-links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* ===== 面包屑与区块节奏 ===== */
.page-products .breadcrumb { padding: 1.1rem 0 .4rem; }

.page-products .p-sec {
  padding: clamp(2rem, 5.5vw, 4rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .p-sec__head { margin-bottom: clamp(1.2rem, 3vw, 2rem); }

.page-products .p-sec__head .eyebrow,
.page-products .split .eyebrow { margin-bottom: .35rem; }

/* ===== 首屏 ===== */
.page-products .p-hero {
  position: relative;
  padding-bottom: clamp(1.6rem, 5vw, 3.4rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .p-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: 6%;
  width: min(620px, 78vw);
  height: min(620px, 78vw);
  background: radial-gradient(circle, rgba(54, 242, 208, .14), transparent 66%);
  pointer-events: none;
}

.page-products .p-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  padding-top: .6rem;
}

.page-products .p-hero h1 {
  font-size: clamp(2.1rem, 8.2vw, 4.4rem);
  line-height: 1.06;
  margin: .2rem 0 .8rem;
}

.page-products .p-hero__lede {
  color: var(--mist);
  font-size: clamp(.98rem, 2.6vw, 1.1rem);
  max-width: 46ch;
}

.page-products .p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 1.2rem 0 1.4rem;
}

.page-products .p-hero__facts {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .9rem 1.6rem;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  color: var(--mist);
}

.page-products .p-hero__facts li { display: flex; align-items: baseline; gap: .45rem; }

.page-products .p-stat {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}

/* 版本锁定卡 */
.page-products .vercard {
  position: relative;
  border: var(--p-edge);
  border-radius: var(--r-m);
  background: var(--p-card);
  padding: 1rem 1.1rem 1.15rem;
  overflow: hidden;
  margin-bottom: .9rem;
}

.page-products .vercard::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 84px;
  height: 3px;
  background: var(--orange);
}

.page-products .vercard__label {
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .1rem;
}

.page-products .vercard__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  font-size: clamp(3.4rem, 15vw, 6rem);
  line-height: .92;
  margin: 0 0 .5rem;
  letter-spacing: -.04em;
}

.page-products .vercard__num em {
  font-style: normal;
  color: var(--cyan);
}

.page-products .vercard__note {
  font-size: .84rem;
  color: var(--paper);
  margin: 0 0 .35rem;
}

.page-products .vercard__meta {
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--mist);
  margin: 0;
}

/* 图片容器 */
.page-products .shot {
  border: var(--p-edge);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--ink-800);
  line-height: 0;
}

.page-products .shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: .92;
}

.page-products .shot--tall img { aspect-ratio: 3 / 2; }
.page-products .shot--wide img { aspect-ratio: 12 / 7; }
.page-products .shot--square img { aspect-ratio: 10 / 7; }
.page-products .shot--band img { aspect-ratio: 7 / 4; }

.page-products .shot--wide,
.page-products .shot--band { margin-bottom: clamp(1.1rem, 3vw, 1.8rem); }

/* ===== 终端切换 ===== */
.page-products .tsw {
  position: relative;
  display: grid;
  gap: 1rem;
}

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

.page-products .tsw__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-products .tsw__tab {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 43, 66, .55);
  color: var(--mist);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .16s var(--ease), background .16s var(--ease), color .16s var(--ease);
}

.page-products .tsw__tab-icon {
  width: 10px;
  height: 16px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  flex: none;
}

.page-products .tsw__tab-icon--tablet { width: 14px; height: 17px; }
.page-products .tsw__tab-icon--desktop { width: 19px; height: 13px; border-radius: 2px; }

.page-products #tsw-phone:checked ~ .tsw__tabs label[for="tsw-phone"],
.page-products #tsw-tablet:checked ~ .tsw__tabs label[for="tsw-tablet"],
.page-products #tsw-desktop:checked ~ .tsw__tabs label[for="tsw-desktop"] {
  background: var(--cyan-soft);
  border-color: var(--cyan-line);
  color: var(--paper);
}

.page-products #tsw-phone:focus-visible ~ .tsw__tabs label[for="tsw-phone"],
.page-products #tsw-tablet:focus-visible ~ .tsw__tabs label[for="tsw-tablet"],
.page-products #tsw-desktop:focus-visible ~ .tsw__tabs label[for="tsw-desktop"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .tsw__panel {
  display: none;
  border: var(--p-edge);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-m);
  background: var(--p-card);
  padding: 1.1rem 1.1rem 1rem;
}

.page-products #tsw-phone:checked ~ .tsw__panels #tsw-panel-phone,
.page-products #tsw-tablet:checked ~ .tsw__panels #tsw-panel-tablet,
.page-products #tsw-desktop:checked ~ .tsw__panels #tsw-panel-desktop {
  display: block;
}

.page-products .tsw__panel p { font-size: .95rem; color: var(--mist); }

.page-products .p-list {
  list-style: none;
  margin: .6rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
  font-size: .88rem;
}

.page-products .p-list li {
  position: relative;
  padding-left: 1.05rem;
  color: var(--pale);
  line-height: 1.6;
}

.page-products .p-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 浏览器条 */
.page-products .compat-strip {
  margin-top: clamp(1.2rem, 3vw, 1.9rem);
  border: var(--p-edge);
  border-radius: var(--r-m);
  padding: 1rem 1.05rem;
  background: rgba(14, 61, 58, .3);
}

.page-products .compat-strip__title {
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--cyan);
  margin: 0 0 .65rem;
}

.page-products .compat-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-products .compat-strip__list li {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  padding: .32rem .6rem;
}

/* ===== 错位分栏 ===== */
.page-products .split {
  display: grid;
  gap: clamp(1.2rem, 3.5vw, 2.4rem);
}

.page-products .feat {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-products .feat__item {
  position: relative;
  border: var(--p-edge);
  border-radius: var(--r-m);
  background: var(--p-card);
  padding: 1rem 1.05rem;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-products .feat__item:hover,
.page-products .feat__item:focus-within {
  border-color: var(--cyan-line);
  transform: translateY(-2px);
}

.page-products .feat__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--orange);
  margin: 0 0 .3rem;
}

.page-products .feat__item p:last-child {
  font-size: .9rem;
  color: var(--mist);
  margin: 0;
}

.page-products .aside-note {
  margin-top: .9rem;
  border-left: 3px solid var(--orange);
  padding: .2rem 0 .2rem .9rem;
  font-size: .88rem;
  color: var(--pale);
}

.page-products .aside-note__k {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--orange);
  margin: 0 0 .25rem;
}

.page-products .aside-note p:last-child { margin: 0; }

/* ===== 步骤卡 ===== */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-products .step__d {
  border: var(--p-edge);
  border-radius: var(--r-m);
  background: var(--p-card);
  transition: border-color .18s var(--ease);
}

.page-products .step__d:hover,
.page-products .step__d:focus-within { border-color: var(--cyan-line); }

.page-products .step__sum {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 800;
  font-size: .98rem;
  color: var(--paper);
}

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

.page-products .step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--cyan);
  line-height: 1;
}

.page-products .step__d[open] .step__sum::after { content: "−"; }

.page-products .step__no {
  flex: none;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--teal-900);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  font-size: .95rem;
}

.page-products .step__body {
  padding: 0 1rem .95rem 3.95rem;
}

.page-products .step__body p {
  font-size: .9rem;
  color: var(--mist);
  margin: 0;
}

.page-products .p-tip {
  margin: 1.1rem 0 0;
  font-size: .9rem;
  color: var(--pale);
  border: 1px dashed var(--line);
  border-radius: var(--r-s);
  padding: .8rem .95rem;
}

/* ===== 迁移清单 ===== */
.page-products .migrate {
  list-style: none;
  margin: 1rem 0 .9rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-products .migrate__item {
  display: grid;
  gap: .18rem;
  border: var(--p-edge);
  border-radius: var(--r-s);
  padding: .7rem .85rem;
  background: rgba(18, 43, 66, .5);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .migrate__item:hover,
.page-products .migrate__item:focus-within {
  border-color: var(--cyan-line);
  background: rgba(14, 61, 58, .45);
}

.page-products .migrate__k {
  font-size: .88rem;
  font-weight: 800;
  color: var(--cyan);
}

.page-products .migrate__v {
  font-size: .86rem;
  color: var(--pale);
  line-height: 1.6;
}

/* ===== 版本时间轴 ===== */
.page-products .p-tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.3rem;
  position: relative;
  display: grid;
  gap: 1.1rem;
}

.page-products .p-tl::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .5rem;
  bottom: .5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan-line), var(--line));
}

.page-products .p-tl__item { position: relative; }

.page-products .p-tl__item::before {
  content: "";
  position: absolute;
  left: -1.3rem;
  top: .5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, .14);
}

.page-products .p-tl__item--now::before { background: var(--cyan); box-shadow: 0 0 0 4px rgba(54, 242, 208, .16); }

.page-products .p-tl__year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--orange);
  margin: 0 0 .22rem;
}

.page-products .p-tl__item--now .p-tl__year { color: var(--cyan); }

.page-products .p-tl__item p:last-child {
  font-size: .88rem;
  color: var(--mist);
  margin: 0;
}

/* ===== 兼容列表 ===== */
.page-products .compat {
  list-style: none;
  margin: 0 0 clamp(1.2rem, 3vw, 1.9rem);
  padding: 0;
  display: grid;
  gap: .55rem;
  grid-template-columns: 1fr;
}

.page-products .compat__item {
  display: grid;
  gap: .2rem;
  border: var(--p-edge);
  border-left: 3px solid var(--line);
  border-radius: var(--r-s);
  padding: .7rem .85rem;
  background: rgba(18, 43, 66, .45);
  transition: border-left-color .18s var(--ease), background .18s var(--ease);
}

.page-products .compat__item:hover,
.page-products .compat__item:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(14, 61, 58, .5);
  outline: none;
}

.page-products .compat__name {
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .compat__note {
  font-size: .82rem;
  color: var(--mist);
  line-height: 1.55;
}

/* ===== 帮助面板 ===== */
.page-products .helpboard {
  border: var(--p-edge);
  border-radius: var(--r-m);
  background: linear-gradient(150deg, rgba(14, 61, 58, .6), rgba(8, 23, 38, .96));
  padding: 1.1rem;
  display: grid;
  gap: 1rem;
}

.page-products .helpboard__main p { font-size: .9rem; color: var(--pale); }
.page-products .helpboard__main p:last-child { margin-bottom: 0; }

.page-products .helpboard__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-products .p-links {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  font-size: .88rem;
}

/* ===== 响应式 ===== */
@media (min-width: 680px) {
  .page-products .compat { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .feat { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .helpboard {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .p-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-products .p-hero__aside { padding-top: .4rem; }

  .page-products .split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  }

  .page-products .tsw {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
    column-gap: 1.4rem;
  }

  .page-products .tsw__tabs {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-products .tsw__tab {
    justify-content: flex-start;
    border-radius: var(--r-s);
  }

  .page-products .tsw__panels { grid-column: 2; }
  .page-products .tsw__panel { padding: 1.25rem 1.35rem 1.15rem; }

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

  .page-products .p-tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.2rem;
    padding: 2.4rem 0 0;
  }

  .page-products .p-tl::before {
    left: 0;
    right: 0;
    top: 1rem;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(to right, var(--cyan-line), var(--line));
  }

  .page-products .p-tl__item::before {
    left: 0;
    top: -1.38rem;
  }

  .page-products .step__body { padding-left: 4.1rem; padding-right: 1.4rem; }
}

@media (min-width: 1120px) {
  .page-products .p-hero::before { right: -4%; }
  .page-products .migrate { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat__item,
  .page-products .step__d,
  .page-products .migrate__item,
  .page-products .compat__item,
  .page-products .tsw__tab {
    transition: none;
  }
  .page-products .feat__item:hover,
  .page-products .feat__item:focus-within { transform: none; }
}
<<<END>>>