.page-products {
  --pr-cut: 16px;
  --pr-hero-line: rgba(185, 194, 198, 0.18);
  --pr-card-bg: rgba(27, 74, 107, 0.06);
  --pr-on-deep-soft: rgba(244, 241, 234, 0.76);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-products .breadcrumb {
  padding-block: 18px 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-products .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-products .breadcrumb a {
  color: var(--sea);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  border-bottom-color: var(--maple);
  color: var(--maple);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  margin-top: 14px;
  padding-block: clamp(26px, 5vw, 62px) clamp(34px, 6vw, 78px);
  background: linear-gradient(158deg, var(--ink) 0%, var(--sea) 64%, #12324a 100%);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    var(--pr-hero-line) 0 1px,
    transparent 1px 84px
  );
  pointer-events: none;
}

.page-products .dl-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-products .dl-hero__copy .eyebrow {
  color: var(--ice);
  margin: 0 0 14px;
}

.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 22ch;
}

.page-products .dl-hero__lead {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.84);
}

.page-products .dl-hero__meta {
  margin: 0 0 24px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-products .dl-hero__sys {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .sys-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--paper);
  background: rgba(244, 241, 234, 0.07);
  border: 1px solid rgba(111, 211, 216, 0.34);
  clip-path: polygon(0 0, calc(100% - var(--pr-cut)) 0, 100% var(--pr-cut), 100% 100%, 0 100%);
  transition: background 220ms var(--ease), transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-products .sys-card:hover,
.page-products .sys-card:focus-visible {
  background: rgba(111, 211, 216, 0.16);
  border-color: var(--lime);
  transform: translateY(-2px);
  outline: none;
}

.page-products .sys-card:focus-visible {
  box-shadow: 0 0 0 2px var(--lime);
}

.page-products .sys-card__os {
  font-family: var(--font-narrow);
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .sys-card__file {
  font-size: 12px;
  color: var(--pr-on-deep-soft);
}

.page-products .sys-card__go {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-products .dl-hero__figure {
  margin: 0;
  position: relative;
}

.page-products .dl-hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  border: 1px solid rgba(185, 194, 198, 0.34);
}

.page-products .dl-hero__figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--pr-on-deep-soft);
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding-block: clamp(40px, 6vw, 82px);
}

.page-products .section-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-products .section-head .eyebrow,
.page-products .fn-block .eyebrow {
  color: var(--maple);
  margin: 0 0 10px;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.24;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-products .section-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 安装三步 ---------- */
.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .step {
  padding: 22px 20px;
  background: var(--pr-card-bg);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--pr-cut)) 0, 100% var(--pr-cut), 100% 100%, 0 100%);
}

.page-products .step__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--maple);
  margin-bottom: 10px;
}

.page-products .step__title {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-products .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .install-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sea);
  border-left: 3px solid var(--ice);
  background: rgba(111, 211, 216, 0.12);
}

/* ---------- 功能分区 ---------- */
.page-products .fn__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-products .fn__rail .eyebrow {
  color: var(--graphite);
  margin: 0 0 8px;
}

.page-products .fn__rail-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--ink);
}

.page-products .rail-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.page-products .rail-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 14px;
  font-size: 14px;
  text-decoration: none;
  color: var(--graphite);
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .rail-list a:hover,
.page-products .rail-list a:focus-visible {
  color: var(--sea);
  border-left-color: var(--lime);
  outline: none;
}

.page-products .rail-list .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-products .rail-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .fn-block {
  padding-block: clamp(24px, 3.4vw, 40px);
  border-top: 1px dashed var(--line-soft);
}

.page-products .fn-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .fn-block h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-products .fn-block p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 62ch;
}

.page-products .fn-block a {
  color: var(--sea);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}

.page-products .fn-block a:hover,
.page-products .fn-block a:focus-visible {
  color: var(--maple);
  text-decoration-color: var(--maple);
}

.page-products .fn-figure {
  margin: 0 0 20px;
}

.page-products .fn-figure img {
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

.page-products .fn-figure--left img,
.page-products .fn-figure--right img {
  aspect-ratio: 4 / 3;
}

.page-products .fn-figure--wide img {
  aspect-ratio: 12 / 7;
}

.page-products .fn-figure figcaption {
  margin-top: 9px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--silver);
}

.page-products .fn-tip {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--moss);
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}

/* 标签树 */
.page-products .tag-tree {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .tag-tree li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 11px;
  font-size: 13.5px;
  color: var(--sea);
  background: rgba(27, 74, 107, 0.07);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-products .tag-tree .mono {
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* 四季收藏 */
.page-products .seasons {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .season {
  padding: 14px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform 220ms var(--ease);
}

.page-products .season:hover {
  transform: translateY(-4px);
}

.page-products .season__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.page-products .season__desc {
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--graphite);
}

.page-products .season--spring {
  background: rgba(111, 211, 216, 0.28);
}

.page-products .season--summer {
  background: rgba(143, 227, 107, 0.26);
}

.page-products .season--autumn {
  background: rgba(176, 113, 79, 0.26);
}

.page-products .season--winter {
  background: rgba(185, 194, 198, 0.32);
}

/* 换设备深色块 */
.page-products .fn-block--deep {
  margin-block: 8px;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(150deg, var(--ink) 0%, #12324a 100%);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .fn-block--deep .eyebrow {
  color: var(--lime);
}

.page-products .fn-block--deep h2 {
  color: var(--paper);
}

.page-products .fn-block--deep p {
  color: rgba(244, 241, 234, 0.82);
}

.page-products .fn-block--deep a {
  color: var(--ice);
  text-decoration-color: rgba(111, 211, 216, 0.6);
}

.page-products .fn-block--deep a:hover,
.page-products .fn-block--deep a:focus-visible {
  color: var(--lime);
  text-decoration-color: var(--lime);
}

.page-products .fn-block--deep .fn-figure img {
  border-color: rgba(185, 194, 198, 0.34);
}

.page-products .fn-block--deep .fn-figure figcaption {
  color: var(--ice);
}

.page-products .sync-table {
  margin-top: 22px;
  border-top: 1px solid rgba(185, 194, 198, 0.34);
}

.page-products .sync-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(185, 194, 198, 0.24);
}

.page-products .sync-key {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ice);
}

.page-products .sync-val {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.88);
}

/* 版本节奏 */
.page-products .release-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .release-list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(185, 194, 198, 0.14);
  border-left: 3px solid var(--ice);
}

.page-products .release-list .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--sea);
}

.page-products .release-list strong {
  font-size: 15px;
  color: var(--ink);
}

.page-products .release-list li:nth-child(2) {
  border-left-color: var(--lime);
}

.page-products .release-list li:nth-child(3) {
  border-left-color: var(--maple);
}

/* 常见疑问 tabs */
.page-products .tabs {
  margin-top: 6px;
}

.page-products .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .tab {
  appearance: none;
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  color: var(--graphite);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .tab:hover {
  border-color: var(--sea);
  color: var(--sea);
}

.page-products .tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .tab:focus-visible {
  outline: 2px solid var(--maple);
  outline-offset: 2px;
}

.page-products .tabpanel {
  padding-top: 18px;
}

.page-products .tabpanel[hidden] {
  display: none;
}

.page-products .tabpanel p {
  margin: 0;
}

.page-products .tabpanel:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 4px;
}

/* ---------- 结尾行动区 ---------- */
.page-products .cta-band {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 44px);
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-products .cta-band .eyebrow {
  color: var(--lime);
  margin: 0 0 10px;
}

.page-products .cta-band h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  margin: 0 0 12px;
}

.page-products .cta-band p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.82);
}

.page-products .cta-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-products .cta-band .btn {
  padding: 11px 20px;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-products .cta-band .btn--primary {
  background: var(--maple);
  color: #fff;
}

.page-products .cta-band .btn--primary:hover,
.page-products .cta-band .btn--primary:focus-visible {
  background: #ad3a23;
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .cta-band .btn--ghost {
  border-color: var(--silver);
  color: var(--paper);
}

.page-products .cta-band .btn--ghost:hover,
.page-products .cta-band .btn--ghost:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  outline: none;
}

.page-products .cta-band .btn--quiet {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .cta-band .btn--quiet:hover,
.page-products .cta-band .btn--quiet:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .dl-hero__sys {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .sync-row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-products .cta-band {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 920px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-products .fn-figure--left {
    float: left;
    width: 46%;
    margin: 4px 26px 12px 0;
  }

  .page-products .fn-figure--right {
    float: right;
    width: 40%;
    margin: 4px 0 12px 26px;
  }

  .page-products .fn-block::after {
    content: "";
    display: block;
    clear: both;
  }
}

@media (min-width: 1000px) {
  .page-products .fn__grid {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .fn__rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sys-card,
  .page-products .season,
  .page-products .rail-list a,
  .page-products .tab {
    transition: none;
  }

  .page-products .sys-card:hover,
  .page-products .season:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>