.page-products {
  --pp-gutter: clamp(16px, 3vw, 32px);
  --pp-max: 1280px;
  --pp-block: clamp(48px, 6.5vw, 96px);
  --pp-line-soft: rgba(36, 66, 95, 0.55);
  background: var(--navy-900);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-products .pp-wrap {
  width: 100%;
  max-width: var(--pp-max);
  margin-inline: auto;
  padding-inline: var(--pp-gutter);
}

.page-products .pp-crumbs {
  padding-top: clamp(14px, 2vw, 22px);
}

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

.page-products .media.pp-media--portrait {
  aspect-ratio: 3 / 4;
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  padding-block: clamp(22px, 4vw, 40px) var(--pp-block);
  border-bottom: 1px solid var(--pp-line-soft);
  background:
    radial-gradient(120% 92% at 88% 0%, rgba(0, 229, 255, 0.14), transparent 62%),
    radial-gradient(90% 72% at 4% 100%, rgba(255, 106, 26, 0.10), transparent 64%),
    var(--navy-900);
}

.page-products .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
  align-items: end;
}

.page-products .hero .eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-products .hero .page-title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.4vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .title-accent {
  display: block;
  color: var(--cyan);
}

.page-products .hero .lede {
  max-width: 48ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.5vw, 1.125rem);
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 状态板 */
.page-products .board {
  position: relative;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--navy-800), var(--ink-900));
  box-shadow: 8px 8px 0 -1px var(--navy-900), 8px 8px 0 0 var(--line);
}

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

.page-products .board__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-dim);
}

.page-products .board__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.06em;
}

.page-products .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: ppDotPulse 2.4s ease-in-out infinite;
}

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

.page-products .board__list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .board__list li:last-child {
  border-bottom: 0;
}

.page-products .board__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.page-products .board__name {
  font-size: 14px;
  color: var(--text-strong);
}

.page-products .board__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .board__foot {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted-dim);
}

/* ---------- 通用章节 ---------- */
.page-products .sec {
  padding-block: var(--pp-block);
  border-bottom: 1px solid var(--pp-line-soft);
  scroll-margin-top: 84px;
}

.page-products .sec-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-products .sec-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--muted-dim);
}

.page-products [data-section].is-current .sec-num {
  color: var(--cyan);
}

.page-products .sec-head .section-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-products .sec-lede {
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.94rem, 1.4vw, 1.04rem);
}

/* ---------- 通道总览 ---------- */
.page-products .chan-board {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .chan-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  grid-template-areas:
    "n name go"
    "n when when"
    "n what what";
  gap: 6px 14px;
  padding: 18px 4px 18px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.page-products .chan-row:hover {
  background: rgba(0, 229, 255, 0.05);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-products .chan-num {
  grid-area: n;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1.3;
}

.page-products .chan-name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text-strong);
  line-height: 1.4;
}

.page-products .chan-when {
  grid-area: when;
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted-dim);
}

.page-products .chan-what {
  grid-area: what;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text);
}

.page-products .chan-go {
  grid-area: go;
  align-self: start;
  justify-self: end;
  padding: 5px 13px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-products .chan-go:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--navy-900);
}

/* ---------- 大屏 ---------- */
.page-products .big-card {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--navy-800);
}

.page-products .big-card__media {
  overflow: hidden;
}

.page-products .big-card__body {
  padding: clamp(20px, 3vw, 36px);
}

.page-products .big-card__body h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.3;
  color: var(--white);
}

.page-products .big-card__body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-products .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .fact-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--text);
}

.page-products .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-products .screen-grid {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: clamp(16px, 2.5vw, 28px);
  border: 1px dashed var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(36, 66, 95, 0.35) 0 1px, transparent 1px 56px),
    var(--ink-900);
}

.page-products .screen-grid__cap {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted-dim);
}

.page-products .screen-grid__scores {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .screen-grid__dist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 8px;
}

.page-products .cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  border: 1px solid var(--line);
  background: rgba(13, 29, 48, 0.88);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .screen-grid__scores .cell {
  border-left: 2px solid var(--cyan);
}

.page-products .screen-grid__dist .cell {
  border-left: 2px solid var(--green);
}

.page-products .cell span {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--muted);
}

/* ---------- 移动端 ---------- */
.page-products .sec--mobile {
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800) 46%, var(--navy-900));
}

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

.page-products .wave-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .wave-list li {
  position: relative;
  margin-left: 6px;
  padding: 0 0 22px 26px;
  border-left: 1px solid var(--line);
}

.page-products .wave-list li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .wave-list li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.page-products .wave-tag {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .wave-list p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.page-products .card-stream {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .card {
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: var(--navy-800);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .card:hover {
  border-color: var(--cyan);
  transform: translateX(3px);
}

.page-products .card__tag {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .card__title {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-strong);
}

.page-products .card__meta {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted-dim);
}

/* ---------- V4 ---------- */
.page-products .v4-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .v4-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 24px;
}

.page-products .v4-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.page-products .v4-node {
  position: relative;
  padding-bottom: 22px;
}

.page-products .v4-node:last-child {
  padding-bottom: 0;
}

.page-products .v4-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 15px;
  height: 15px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--navy-900);
}

.page-products .v4-node:last-child .v4-dot {
  border-color: var(--orange);
}

.page-products .v4-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  animation: ppRing 2.8s ease-out infinite;
}

.page-products .v4-node:last-child .v4-dot::after {
  border-color: var(--orange);
}

.page-products .v4-node:nth-child(2) .v4-dot::after { animation-delay: 0.5s; }
.page-products .v4-node:nth-child(3) .v4-dot::after { animation-delay: 1s; }
.page-products .v4-node:nth-child(4) .v4-dot::after { animation-delay: 1.5s; }
.page-products .v4-node:nth-child(5) .v4-dot::after { animation-delay: 2s; }

.page-products .v4-node h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-strong);
}

.page-products .v4-node p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- 换设备 ---------- */
.page-products .sec--switch {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900) 62%);
}

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

.page-products .check-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.92rem;
  color: var(--text);
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 12px;
  border: 1px solid var(--cyan);
  background: rgba(0, 229, 255, 0.16);
}

.page-products .switch-note {
  margin: 0 0 20px;
  font-size: 0.88rem;
  color: var(--muted-dim);
}

/* ---------- 数据 ---------- */
.page-products .data-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 40px);
  align-items: start;
}

.page-products .metric-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .metric {
  padding: 14px 14px 16px;
  background: var(--navy-800);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-products .metric:hover {
  background: var(--ink-900);
  box-shadow: inset 3px 0 0 var(--green);
}

.page-products .metric__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .metric__name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-strong);
}

.page-products .metric__desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted-dim);
}

.page-products .data-foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--green);
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- 三步 ---------- */
.page-products .steps {
  border-top: 1px solid var(--line);
}

.page-products .step {
  border-bottom: 1px solid var(--line);
}

.page-products .step summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: var(--text-strong);
  transition: color 0.2s ease;
}

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

.page-products .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .step[open] summary {
  color: var(--cyan);
}

.page-products .step[open] summary::after {
  content: "−";
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .step__body {
  padding: 0 0 20px 32px;
  color: var(--muted);
  font-size: 0.93rem;
}

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

.page-products .steps-foot {
  margin: 22px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* ---------- 收口 ---------- */
.page-products .sec--outro {
  padding-block: var(--pp-block);
  border-bottom: 0;
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(255, 106, 26, 0.10), transparent 66%),
    var(--ink-900);
}

.page-products .outro .section-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  color: var(--text-strong);
}

.page-products .outro__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .outro__links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--navy-800);
  text-decoration: none;
  transition: background 0.2s ease;
}

.page-products .outro__links a:hover {
  background: var(--navy-900);
}

.page-products .outro__label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--cyan);
}

.page-products .outro__desc {
  font-size: 12.5px;
  color: var(--muted-dim);
}

.page-products .outro__note {
  margin: 20px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted-dim);
}

/* ---------- 动效 ---------- */
@keyframes ppDotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 229, 157, 0.55); }
  50% { box-shadow: 0 0 0 6px rgba(46, 229, 157, 0); }
}

@keyframes ppRing {
  0% { transform: scale(1); opacity: 0.9; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dot,
  .page-products .v4-dot::after {
    animation: none;
  }
  .page-products .card:hover {
    transform: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .chan-row {
    grid-template-columns: 56px minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.3fr) 76px;
    grid-template-areas: "n name when what go";
    align-items: center;
    gap: 14px 20px;
    padding: 20px 4px 20px 0;
  }

  .page-products .chan-go {
    align-self: center;
  }

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

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

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

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

@media (min-width: 980px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  }

  .page-products .big-card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-products .mobile-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-products .v4-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .switch-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-products .data-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

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