.page-products {
  --pp-gap: clamp(18px, 3vw, 30px);
  --pp-card-bg: linear-gradient(165deg, rgba(19, 43, 65, .92), rgba(15, 34, 51, .96));
}

.page-products .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
  font-size: 13px;
  color: var(--muted);
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-products .breadcrumb__sep {
  margin: 0 .5em;
  color: var(--line);
}

.page-products .section {
  padding: clamp(46px, 7vw, 92px) 0;
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  position: relative;
  padding: clamp(30px, 5vw, 62px) 0 clamp(34px, 5vw, 68px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(115% 85% at 6% 0%, rgba(53, 230, 224, .15), transparent 58%),
    radial-gradient(85% 70% at 100% 8%, rgba(140, 108, 255, .17), transparent 62%),
    linear-gradient(180deg, rgba(8, 19, 31, .2), rgba(8, 19, 31, .75));
}

.page-products .feat-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(27, 58, 84, .34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 58, 84, .22) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
}

.page-products .feat-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .feat-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-products .feat-hero__eyebrow,
.page-products .section__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .feat-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
  font-size: clamp(30px, 6.4vw, 62px);
  color: var(--text);
}

.page-products .feat-hero__title .hl {
  color: var(--cyan);
  background: linear-gradient(180deg, transparent 68%, rgba(53, 230, 224, .22) 68%);
  font-style: normal;
}

.page-products .feat-hero__lead {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .feat-hero__aside {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .feat-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: rgba(15, 34, 51, .78);
}

.page-products .feat-stat__num {
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}

.page-products .feat-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 章节头 ---------- */
.page-products .sec-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-products .sec-head .chapter__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(34px, 5.4vw, 54px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .sec-head__body .section__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
  font-size: clamp(23px, 3.4vw, 38px);
  color: var(--text);
}

.page-products .section__note {
  margin: 0;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 01 通道卡片 ---------- */
.page-products .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .chan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 18px;
  background: var(--pp-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 10px 10px 0 -1px rgba(53, 230, 224, .06), var(--shadow-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .chan-card:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 224, .46);
}

.page-products .chan-card .tag {
  align-self: flex-start;
}

.page-products .chan-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .chan-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .chan-card__facts {
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--cyan-soft);
}

.page-products .chan-card__facts li::before {
  content: "›";
  margin-right: 8px;
  color: var(--cyan);
}

.page-products .chan-more {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-products .chan-more summary {
  cursor: pointer;
  font-size: 13.5px;
  color: var(--cyan);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .chan-more summary::-webkit-details-marker { display: none; }

.page-products .chan-more summary::after {
  content: "+";
  font-family: var(--font-mono);
  margin-left: auto;
  transition: transform var(--dur) var(--ease);
}

.page-products .chan-more[open] summary::after { transform: rotate(45deg); }

.page-products .chan-more__list {
  margin: 10px 0 0;
  padding-left: 1.2em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .chan-figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
}

/* 图片位 */
.page-products .media-frame {
  margin: 0;
}

.page-products .media-frame__inner {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(19, 43, 65, .9), rgba(8, 19, 31, .95));
  box-shadow: inset 0 0 0 1px rgba(53, 230, 224, .08), 0 20px 44px rgba(2, 8, 15, .5);
}

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

.page-products .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 02 注册流程 ---------- */
.page-products .reg-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  counter-reset: flow;
}

.page-products .flow-step {
  position: relative;
  padding: 18px 18px 16px 66px;
  background: rgba(15, 34, 51, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .flow-step__num {
  position: absolute;
  top: 18px;
  left: 16px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  font-size: 14px;
  color: var(--cyan);
  background: var(--ink-900);
  z-index: 2;
}

.page-products .flow-step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
}

.page-products .flow-step__text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .flow-step__time {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 50, .42);
  border-radius: var(--radius);
  background: rgba(255, 122, 50, .08);
}

.page-products .reg-figure {
  max-width: 520px;
}

/* ---------- 03 订阅机制 ---------- */
.page-products .sub-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 42px);
}

.page-products .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .tabs__tab {
  padding: 9px 15px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--muted);
  background: rgba(15, 34, 51, .7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .tabs__tab:hover { color: var(--text); border-color: var(--line-soft); }

.page-products .tabs__tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-products .tabs__panel {
  padding: 20px 18px;
  background: rgba(15, 34, 51, .62);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .sub-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .prose {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .sub-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 14.5px;
  color: var(--text);
}

.page-products .sub-facts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

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

/* ---------- 04 下载表 ---------- */
.page-products .dl-figure {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
}

.page-products .table-wrap {
  overflow: auto;
  max-height: 460px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .data-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .data-table caption {
  text-align: left;
}

.page-products .data-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .data-table td {
  padding: 13px 14px;
  color: var(--text);
  border-bottom: 1px solid rgba(27, 58, 84, .55);
  vertical-align: middle;
}

.page-products .data-table tbody tr:nth-child(even) {
  background: rgba(27, 58, 84, .22);
}

.page-products .data-table tbody tr:hover {
  background: rgba(53, 230, 224, .07);
}

.page-products .data-table .mono {
  color: var(--muted);
  font-size: 13px;
}

.page-products .data-table td .dot {
  margin-right: 7px;
}

.page-products .dl-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 05 多端对比 ---------- */
.page-products .dev-tabs .tabs__panel {
  border-left-color: var(--violet);
}

.page-products .dev-advice {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-products .meter-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .meter__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .meter__label {
  font-size: 14.5px;
  color: var(--text);
}

.page-products .meter__val {
  font-size: 13px;
  color: var(--cyan);
}

.page-products .meter__track {
  position: relative;
  height: 9px;
  background: rgba(27, 58, 84, .82);
  border: 1px solid rgba(27, 58, 84, .9);
  border-radius: 999px;
  overflow: hidden;
}

.page-products .meter__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width var(--dur-slow) var(--ease);
}

.page-products .meter__fill--p1 { width: 100%; }
.page-products .meter__fill--p2 { width: 88%; }
.page-products .meter__fill--p3 { width: 76%; }
.page-products .meter__fill--p4 { width: 62%; }
.page-products .meter__fill--p5 { width: 48%; }

.page-products .meter__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .dev-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 结尾 ---------- */
.page-products .end-band {
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 120% at 90% 0%, rgba(140, 108, 255, .14), transparent 62%),
    linear-gradient(180deg, rgba(15, 34, 51, .5), rgba(8, 19, 31, .2));
}

.page-products .end-band .section__title {
  margin: 0 0 clamp(22px, 3vw, 36px);
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.26;
  font-size: clamp(22px, 3.2vw, 34px);
  color: var(--text);
  max-width: 24ch;
}

.page-products .end-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .end-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  text-decoration: none;
  color: inherit;
  background: rgba(15, 34, 51, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .end-card:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 224, .5);
}

.page-products .end-card .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--text);
}

.page-products .end-card .card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .end-card .tag {
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .chan-card--b,
  .page-products .chan-card--d {
    margin-top: 26px;
  }

  .page-products .flow-step {
    padding: 20px 20px 18px 74px;
  }

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

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

@media (min-width: 900px) {
  .page-products .feat-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, .8fr);
  }

  .page-products .feat-hero__aside {
    grid-template-columns: 1fr;
  }

  .page-products .sec-head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-products .sec-head__body {
    border-left: 1px solid var(--line);
    padding-left: 24px;
  }

  .page-products .reg-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
    align-items: start;
  }

  .page-products .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .sub-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .chan-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .chan-card--b { margin-top: 34px; }
  .page-products .chan-card--c { margin-top: 14px; }
  .page-products .chan-card--d { margin-top: 48px; }

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

  .page-products .flow-step {
    padding: 22px 18px 18px;
    background: transparent;
    border: none;
    border-radius: 0;
  }

  .page-products .flow-step::before {
    content: "";
    position: absolute;
    top: 39px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--line), rgba(53, 230, 224, .7));
  }

  .page-products .flow-step:first-child::before { left: 50%; }
  .page-products .flow-step:last-child::before { right: 50%; }

  .page-products .flow-step__num {
    position: static;
    margin: 0 0 16px;
    width: 38px;
    height: 38px;
  }

  .page-products .meter-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 34px;
  }

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

@media (min-width: 1280px) {
  .page-products .chan-figure .media-frame__inner,
  .page-products .dl-figure .media-frame__inner {
    max-height: 460px;
  }

  .page-products .chan-figure .media-frame__inner img,
  .page-products .dl-figure .media-frame__inner img,
  .page-products .dev-figure .media-frame__inner img {
    object-fit: cover;
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .chan-card,
  .page-products .end-card,
  .page-products .meter__fill,
  .page-products .tabs__tab {
    transition: none;
  }

  .page-products .chan-card:hover,
  .page-products .end-card:hover {
    transform: none;
  }
}
<<<END>>>