.page-products {
  --pr-sect: clamp(48px, 7vw, 96px);
  --pr-hair: 1px solid rgba(16, 62, 92, .9);
}

.page-products .section {
  padding: var(--pr-sect) 0;
}

.page-products .section--paper {
  background: var(--paper);
  color: var(--black);
}

/* ---------- 首屏框景 ---------- */

.page-products .hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(110% 80% at 88% 4%, rgba(31, 224, 208, .15), transparent 62%),
    radial-gradient(90% 70% at 0% 98%, rgba(242, 179, 75, .10), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
  overflow: hidden;
}

.page-products .hero-frame {
  position: relative;
  padding: clamp(18px, 3vw, 40px);
  border: var(--line-steel);
  background: linear-gradient(155deg, rgba(11, 41, 66, .62), rgba(6, 21, 39, .42));
  box-shadow: var(--shadow-deep);
}

.page-products .hero-frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(18px, 3vw, 40px);
  right: clamp(18px, 3vw, 40px);
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--steel) 0 1px, transparent 1px 34px);
  pointer-events: none;
}

.page-products .hero-frame::after {
  content: "";
  position: absolute;
  top: -4px;
  right: -4px;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-products .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
  font-size: .84rem;
}

.page-products .breadcrumb a {
  color: var(--cyan);
}

.page-products .hero-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 38px);
}

.page-products .hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 7.8vw, 64px);
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-products .hero-lead {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

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

.page-products .hero-panel {
  padding: 20px;
  border: var(--line-steel);
  background: linear-gradient(160deg, rgba(31, 224, 208, .10), rgba(11, 41, 66, .55));
}

.page-products .panel-title {
  margin: 0 0 6px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .panel-version {
  margin: 0 0 16px;
  font-size: clamp(26px, 3.6vw, 34px);
  line-height: 1;
  letter-spacing: .05em;
  color: var(--amber);
}

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

.page-products .panel-stats li {
  padding-top: 12px;
  border-top: 1px solid rgba(16, 62, 92, .95);
}

.page-products .panel-stats .num {
  display: block;
  font-size: 1.22rem;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .panel-label {
  display: block;
  margin-top: 2px;
  font-size: .79rem;
  color: var(--mist);
}

/* ---------- 章节跳转条 ---------- */

.page-products .page-toc {
  display: flex;
  gap: 6px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-products .page-toc a {
  flex: 0 0 auto;
  padding: 7px 13px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--steel);
  transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}

.page-products .page-toc a:hover,
.page-products .page-toc a[aria-current="location"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 首屏形态窗口 ---------- */

.page-products .form-window {
  margin-top: clamp(24px, 3.4vw, 42px);
  border: 1px solid var(--steel);
  background: rgba(6, 21, 39, .55);
}

.page-products .form-window-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: clamp(16px, 2.2vw, 24px);
  border-bottom: 1px solid var(--steel);
}

.page-products .form-window-title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .form-window-note {
  margin: 0;
  font-size: .86rem;
  color: var(--mist);
}

.page-products .form-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--steel);
}

.page-products .form-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 26px);
  background: var(--ink);
}

.page-products .form-col--lead {
  background: linear-gradient(160deg, rgba(31, 224, 208, .15), rgba(6, 21, 39, .97));
}

.page-products .col-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .form-col h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .col-desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .col-meta {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .col-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 179, 75, .45);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-products .col-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 图片通用 ---------- */

.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--steel);
  background: rgba(11, 41, 66, .6);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .hero-media {
  margin-top: clamp(22px, 3vw, 36px);
  aspect-ratio: 16 / 9;
}

.page-products .hero-media img {
  height: 100%;
}

/* ---------- 章节标题 ---------- */

.page-products .sec-head {
  max-width: 660px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-products .sec-head h2 {
  margin: 8px 0 14px;
  font-size: clamp(26px, 4.2vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-products .sec-lead {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
}

/* ---------- 形态对照表 ---------- */

.page-products .forms .sec-lead {
  color: rgba(18, 16, 14, .74);
}

.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid rgba(18, 16, 14, .24);
  background: rgba(255, 255, 255, .42);
  -webkit-overflow-scrolling: touch;
}

.page-products .form-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: .93rem;
}

.page-products .form-table caption {
  padding: 13px 16px;
  font-size: .8rem;
  text-align: left;
  color: rgba(18, 16, 14, .6);
  border-bottom: 1px solid rgba(18, 16, 14, .16);
}

.page-products .form-table th,
.page-products .form-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 1px solid rgba(18, 16, 14, .14);
}

.page-products .form-table thead th {
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
  background: rgba(18, 16, 14, .07);
  color: var(--black);
}

.page-products .form-table tbody th {
  font-weight: 700;
  white-space: nowrap;
  background: rgba(18, 16, 14, .035);
  color: var(--black);
}

.page-products .form-table td {
  color: rgba(18, 16, 14, .82);
}

.page-products .form-table .is-lead {
  background: rgba(31, 224, 208, .22);
}

.page-products .form-table thead th.is-lead {
  background: rgba(31, 224, 208, .42);
}

/* ---------- 安装步骤 ---------- */

.page-products .install {
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
}

.page-products .install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  position: relative;
  padding: 0 0 28px 24px;
  border-left: 1px solid var(--steel);
}

.page-products .step:last-child {
  padding-bottom: 0;
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(31, 224, 208, .16);
}

.page-products .step-num {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-products .step h3 {
  margin: 0 0 8px;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .step-desc {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .step-more {
  margin: 8px 0 0;
  font-size: .87rem;
  line-height: 1.7;
  color: rgba(169, 188, 205, .82);
}

.page-products .step-time {
  display: inline-block;
  margin: 12px 0 0;
  padding: 3px 9px;
  font-size: .77rem;
  letter-spacing: .07em;
  color: var(--cyan);
  border: 1px solid rgba(31, 224, 208, .34);
}

.page-products .install-media {
  align-self: start;
}

/* ---------- 六项功能 ---------- */

.page-products .features {
  background: var(--deep);
}

.page-products .features-media {
  margin-bottom: clamp(24px, 3.2vw, 40px);
}

.page-products .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .feature-card {
  position: relative;
  padding: 22px 20px 24px;
  background: linear-gradient(158deg, rgba(11, 41, 66, .92), rgba(6, 21, 39, .95));
  box-shadow: inset 0 0 0 1px var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}

.page-products .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--cyan);
  background: linear-gradient(158deg, rgba(16, 62, 92, .92), rgba(6, 21, 39, .95));
}

.page-products .feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  color: var(--cyan);
  border: 1px solid rgba(31, 224, 208, .35);
  background: rgba(31, 224, 208, .08);
}

.page-products .feature-icon svg {
  display: block;
  width: 20px;
  height: 20px;
}

.page-products .feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--paper);
}

.page-products .feature-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 换设备 ---------- */

.page-products .migrate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .migrate .sec-lead {
  color: rgba(18, 16, 14, .74);
}

.page-products .migrate-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(18, 16, 14, .2);
}

.page-products .migrate-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(18, 16, 14, .2);
}

.page-products .m-num {
  padding-top: 3px;
  font-size: .84rem;
  letter-spacing: .06em;
  color: rgba(18, 16, 14, .48);
}

.page-products .migrate-steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
}

.page-products .migrate-steps p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: rgba(18, 16, 14, .74);
}

.page-products .migrate-note {
  margin: 0 0 20px;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(18, 16, 14, .74);
}

.page-products .migrate-media {
  border-color: rgba(18, 16, 14, .24);
  background: rgba(18, 16, 14, .05);
}

/* ---------- 版本时间带 ---------- */

.page-products .versions {
  background:
    radial-gradient(85% 60% at 50% 0%, rgba(31, 224, 208, .11), transparent 62%),
    var(--ink);
}

.page-products .version-media {
  margin-bottom: clamp(26px, 3.4vw, 42px);
}

.page-products .version-track {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--steel);
}

.page-products .vnode {
  position: relative;
}

.page-products .vnode::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(31, 224, 208, .18);
}

.page-products .vnum {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-products .vnode h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--paper);
}

.page-products .vnode p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .version-note {
  margin: clamp(24px, 3vw, 34px) 0 20px;
  max-width: 44em;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 安装排查 ---------- */

.page-products .trouble .sec-lead {
  color: rgba(18, 16, 14, .74);
}

.page-products .checks {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(18, 16, 14, .2);
}

.page-products .check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(18, 16, 14, .2);
}

.page-products .check .num {
  padding-top: 4px;
  font-size: .82rem;
  letter-spacing: .06em;
  color: rgba(18, 16, 14, .48);
}

.page-products .check h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
}

.page-products .check p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: rgba(18, 16, 14, .74);
}

.page-products .help-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(18, 16, 14, .05);
  border-left: 3px solid var(--amber);
}

.page-products .help-bar p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.82;
  color: rgba(18, 16, 14, .8);
}

.page-products .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 收口 ---------- */

.page-products .closer {
  background:
    radial-gradient(90% 80% at 12% 0%, rgba(242, 179, 75, .12), transparent 60%),
    linear-gradient(180deg, var(--deep), var(--ink));
  padding: clamp(44px, 6vw, 82px) 0;
}

.page-products .closer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .closer-copy h2 {
  margin: 8px 0 12px;
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .closer-copy p {
  max-width: 40em;
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist);
}

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

/* ---------- 媒体查询 ---------- */

@media (min-width: 600px) {
  .page-products .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3.4vw, 40px);
  }
}

@media (min-width: 760px) {
  .page-products .form-cols {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .page-products .help-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-products .version-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 1px solid var(--steel);
  }

  .page-products .vnode {
    padding-right: 26px;
  }

  .page-products .vnode::before {
    left: 0;
    top: -29px;
  }

  .page-products .version-track::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 38%;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent);
  }
}

@media (min-width: 940px) {
  .page-products .hero-top {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 300px);
    align-items: start;
  }

  .page-products .install-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .migrate-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

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

@media (min-width: 1000px) {
  .page-products .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) and (hover: hover) {
  .page-products .step-more {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
  }

  .page-products .step:hover .step-more,
  .page-products .step:focus-within .step-more {
    max-height: 7em;
    margin-top: 8px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feature-card,
  .page-products .page-toc a,
  .page-products .col-link,
  .page-products .step-more {
    transition: none;
  }

  .page-products .feature-card:hover {
    transform: none;
  }
}
<<<END>>>