.page-products {
  --prod-line: rgba(57, 242, 208, 0.18);
  --prod-line-soft: rgba(244, 239, 230, 0.1);
  --prod-panel: rgba(18, 51, 43, 0.72);
  --prod-cut: 18px;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 5vw, 44px) 0 clamp(44px, 8vw, 88px);
  background-image:
    linear-gradient(var(--prod-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--prod-line-soft) 1px, transparent 1px),
    radial-gradient(120% 90% at 88% 0%, rgba(57, 242, 208, 0.14), transparent 62%),
    linear-gradient(158deg, #0b1f1a 0%, #0b1f1a 52%, #12332b 100%);
  background-size: 64px 64px, 64px 64px, auto, auto;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  top: 4%;
  right: -22%;
  width: 58%;
  height: 140%;
  background: linear-gradient(180deg, rgba(255, 122, 47, 0.16), rgba(255, 122, 47, 0));
  transform: rotate(16deg);
  pointer-events: none;
}

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

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .prod-hero__copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .prod-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* 服务面板 */
.page-products .prod-board {
  padding: clamp(16px, 3vw, 24px);
  background: linear-gradient(180deg, rgba(18, 51, 43, 0.95), rgba(11, 31, 26, 0.94));
  border: 1px solid var(--prod-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-products .prod-board__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--prod-line-soft);
}

.page-products .prod-board__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-products .prod-board__row {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr) auto;
  grid-template-areas:
    "num name stat"
    "num desc desc";
  column-gap: 10px;
  row-gap: 3px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--prod-line-soft);
}

.page-products .prod-board__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-board__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  color: rgba(184, 216, 208, 0.62);
}

.page-products .prod-board__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .prod-board__stat {
  grid-area: stat;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.3;
  color: var(--cyan);
  text-align: right;
  white-space: nowrap;
}

.page-products .prod-board__stat em {
  font-style: normal;
  font-size: 11px;
  margin-left: 2px;
  color: var(--mist);
}

.page-products .prod-board__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 主布局 ---------- */
.page-products .prod-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .prod-index {
  display: none;
}

.page-products .prod-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .prod-index__nav {
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--prod-line-soft);
}

.page-products .prod-index__nav .section-marker {
  display: block;
  padding: 8px 0 8px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .prod-index__nav .section-marker:hover,
.page-products .prod-index__nav .section-marker.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-products .prod-flow {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .prod-sec {
  padding-top: clamp(28px, 5vw, 48px);
  border-top: 1px solid var(--prod-line-soft);
  margin-bottom: clamp(40px, 7vw, 76px);
}

.page-products .prod-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prod-sec:last-child {
  margin-bottom: 0;
}

.page-products .prod-sec__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .prod-sec__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-products .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-products .prod-sec__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分栏 ---------- */
.page-products .prod-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .prod-split--tight {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .prod-split__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-split__body > p:first-child {
  font-size: 16px;
  color: var(--paper);
}

.page-products .prod-figure {
  margin: 0;
  border: 1px solid var(--prod-line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  filter: saturate(0.82) contrast(1.04);
}

.page-products .prod-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .prod-figure--wide img {
  aspect-ratio: 16 / 10;
}

.page-products .prod-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--prod-line-soft);
  background: rgba(11, 31, 26, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* 标签 */
.page-products .prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-products .prod-tag {
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--prod-line);
  background: rgba(57, 242, 208, 0.06);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

/* 折叠 */
.page-products .prod-fold {
  margin-top: 12px;
  padding: 0 14px;
  border: 1px solid var(--prod-line-soft);
  background: rgba(18, 51, 43, 0.5);
}

.page-products .prod-fold summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .prod-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-products .prod-fold[open] summary::after {
  content: "–";
}

.page-products .prod-fold p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 视口切换 ---------- */
.page-products .prod-vp {
  position: relative;
  margin-top: 20px;
}

.page-products .prod-vp__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .prod-vp__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .prod-vp__tab {
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border: 1px solid var(--prod-line-soft);
  background: rgba(18, 51, 43, 0.6);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products #vp-tablet:checked ~ .prod-vp__tabs [for="vp-tablet"],
.page-products #vp-phone:checked ~ .prod-vp__tabs [for="vp-phone"],
.page-products #vp-desktop:checked ~ .prod-vp__tabs [for="vp-desktop"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .prod-vp__panel {
  display: none;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--prod-line);
  background: var(--ink-800);
}

.page-products #vp-tablet:checked ~ .prod-vp__stage .prod-vp__panel--tablet {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.page-products #vp-phone:checked ~ .prod-vp__stage .prod-vp__panel--phone {
  display: grid;
  grid-template-columns: 1fr;
}

.page-products #vp-desktop:checked ~ .prod-vp__stage .prod-vp__panel--desktop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-products .prod-vp__col {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px dashed var(--prod-line-soft);
  align-content: start;
  min-width: 0;
}

.page-products .prod-vp__coltitle {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .prod-vp__row {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-products .prod-vp__row--hot {
  color: var(--cyan);
}

/* ---------- 赛程步骤 ---------- */
.page-products .prod-steps__svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 18px;
}

.page-products .prod-steps__track {
  stroke: var(--ink-700);
  stroke-width: 2;
  stroke-dasharray: 5 9;
}

.page-products .prod-steps__node--1 {
  fill: var(--orange);
}

.page-products .prod-steps__node--2 {
  fill: var(--cyan);
}

.page-products .prod-steps__arrow {
  fill: var(--cyan);
}

.page-products .prod-steps__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-step {
  padding-left: 14px;
  border-left: 2px solid var(--orange);
}

.page-products .prod-step:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-products .prod-step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-products .prod-step h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .prod-inline-link {
  display: inline-block;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 208, 0.42);
}

.page-products .prod-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 场景矩阵 ---------- */
.page-products .prod-scenes {
  display: grid;
  gap: 14px;
}

.page-products .prod-scene {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--prod-line-soft);
  background: linear-gradient(160deg, rgba(18, 51, 43, 0.88), rgba(11, 31, 26, 0.92));
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .prod-scene:hover {
  transform: translateY(-3px);
  border-color: var(--prod-line);
}

.page-products .prod-scene__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .prod-scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--paper);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .prod-scene a {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 208, 0.4);
}

.page-products .prod-scenes__figure {
  margin-top: 18px;
}

/* ---------- 合作 ---------- */
.page-products .prod-partner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .prod-partner__body > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-pick {
  position: relative;
  margin-top: 4px;
}

.page-products .prod-pick__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .prod-pick__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-pick__tabs label {
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  border: 1px solid var(--prod-line-soft);
  background: rgba(18, 51, 43, 0.6);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products #pk-brand:checked ~ .prod-pick__tabs [for="pk-brand"],
.page-products #pk-data:checked ~ .prod-pick__tabs [for="pk-data"],
.page-products #pk-topic:checked ~ .prod-pick__tabs [for="pk-topic"],
.page-products #pk-dist:checked ~ .prod-pick__tabs [for="pk-dist"] {
  color: var(--ink-900);
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .prod-pick__panel {
  display: none;
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  background: rgba(18, 51, 43, 0.7);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products #pk-brand:checked ~ .prod-pick__panels [data-panel="brand"],
.page-products #pk-data:checked ~ .prod-pick__panels [data-panel="data"],
.page-products #pk-topic:checked ~ .prod-pick__panels [data-panel="topic"],
.page-products #pk-dist:checked ~ .prod-pick__panels [data-panel="dist"] {
  display: block;
}

.page-products .prod-contact-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px dashed var(--prod-line);
  background: rgba(57, 242, 208, 0.05);
}

.page-products .prod-contact-bar__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-products .prod-contact-bar__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 208, 0.4);
}

.page-products .copy-chip {
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan);
  cursor: pointer;
}

.page-products .prod-contact-bar__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 收尾 */
.page-products .prod-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--prod-line);
  background: linear-gradient(135deg, rgba(255, 122, 47, 0.14), rgba(57, 242, 208, 0.07));
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-products .prod-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .prod-scenes {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .prod-scene:nth-child(2),
  .page-products .prod-scene:nth-child(4) {
    margin-top: 18px;
  }

  .page-products .prod-steps__list {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .prod-split {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .prod-split--reverse {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .prod-split--reverse .prod-figure {
    grid-column: 2;
    grid-row: 1;
  }

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

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

@media (min-width: 1024px) {
  .page-products .prod-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-index {
    display: block;
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-scene,
  .page-products .prod-vp__tab,
  .page-products .prod-pick__tabs label,
  .page-products .prod-index__nav .section-marker {
    transition: none;
  }

  .page-products .prod-scene:hover {
    transform: none;
  }
}
<<<END>>>