.page-products {
  --prod-gap: clamp(20px, 2.8vw, 36px);
  --prod-pad: clamp(18px, 2.4vw, 30px);
  background: var(--ink-950);
  color: var(--paper-050);
}

/* ---------- 首屏 ---------- */
.page-products .qh-breadcrumb {
  padding-top: clamp(14px, 2vw, 24px);
}

.page-products .prod-hero {
  padding: clamp(24px, 4vw, 56px) 0 clamp(28px, 4.5vw, 60px);
  border-bottom: var(--hair);
}

.page-products .prod-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 68px);
  line-height: 0.99;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  max-width: 20ch;
}

.page-products .prod-hero__lead {
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--slate-400);
  max-width: 64ch;
}

.page-products .prod-hero__facts {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-300);
  border: var(--hair);
}

.page-products .prod-hero__facts li {
  background: var(--pitch-900);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--slate-400);
}

.page-products .prod-hero__facts strong {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -0.01em;
  color: var(--lime-400);
  order: -1;
}

/* ---------- 章节通用 ---------- */
.page-products .prod-head {
  max-width: 78ch;
}

.page-products .prod-head h2,
.page-products .prod-board__text h2,
.page-products .prod-cta__inner h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.8vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
}

.page-products .prod-head__lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--slate-400);
  max-width: 68ch;
}

.page-products .prod-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber-500);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-products .prod-note a {
  color: var(--lime-200);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-400);
}

.page-products .prod-note a:hover {
  color: var(--lime-400);
}

/* ---------- 总览图 ---------- */
.page-products .prod-overview-figure {
  margin: clamp(22px, 3vw, 38px) 0 0;
  border: var(--hair);
}

/* ---------- 筛选条 ---------- */
.page-products .qh-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-products .qh-filter {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 9px 15px;
  border-radius: 0;
  border: var(--hair);
  background: var(--pitch-900);
  color: var(--paper-050);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-products .qh-filter:hover {
  border-color: var(--lime-400);
  color: var(--lime-200);
}

.page-products .qh-filter[aria-pressed="true"] {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
  font-weight: 700;
}

/* ---------- 服务模块网格 ---------- */
.page-products .prod-modules {
  list-style: none;
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-300);
  border: var(--hair);
}

.page-products .prod-module {
  background: var(--pitch-900);
  padding: var(--prod-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background-color 0.2s ease;
}

.page-products .prod-module:hover {
  background: var(--pitch-700);
}

.page-products .prod-module__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime-400);
}

.page-products .prod-module__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.25;
}

.page-products .prod-module__scene {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-050);
}

.page-products .prod-module__who {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--slate-400);
}

/* ---------- 左右画板 ---------- */
.page-products .prod-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}

.page-products .prod-panel {
  background: var(--pitch-900);
  border: var(--hair);
  padding: var(--prod-pad);
}

.page-products .prod-list {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .prod-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .prod-list li::before {
  content: "";
  display: block;
  width: 14px;
  height: 2px;
  margin-top: 12px;
  background: var(--lime-400);
}

.page-products .prod-list strong {
  color: var(--lime-200);
  font-weight: 600;
}

/* ---------- 赛程带 ---------- */
.page-products .prod-band__svg {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .prod-band__axis,
.page-products .prod-band__ticks line {
  stroke: var(--line-300);
  stroke-width: 1;
}

.page-products .prod-band__lane-bg {
  fill: var(--ink-950);
  stroke: var(--line-300);
  stroke-width: 1;
}

.page-products .prod-band__match {
  fill: var(--pitch-700);
  stroke: var(--line-300);
  stroke-width: 1;
}

.page-products .prod-band__match--clash {
  fill: var(--amber-500);
  stroke: var(--amber-500);
}

.page-products .prod-band__note {
  margin: 16px 0 0;
  color: var(--slate-400);
  line-height: 1.7;
}

/* ---------- 图像容器 ---------- */
.page-products .prod-square-figure,
.page-products .prod-reel-figure,
.page-products .prod-help-figure,
.page-products .prod-compare-figure {
  margin: 0;
  border: var(--hair);
}

.page-products .prod-compare-figure {
  margin: clamp(24px, 3vw, 40px) 0 0;
}

/* ---------- 五个信息块 ---------- */
.page-products .prod-blocks {
  list-style: none;
  margin: clamp(22px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-300);
  border: var(--hair);
}

.page-products .prod-block {
  background: var(--pitch-900);
  padding: var(--prod-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .prod-block__no {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--amber-500);
}

.page-products .prod-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
}

.page-products .prod-block p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 集锦 ---------- */
.page-products .prod-reel__svg {
  width: 100%;
  height: auto;
  display: block;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
}

.page-products .prod-reel__axis {
  stroke: var(--line-300);
  stroke-width: 1;
}

.page-products .prod-reel__nodes line {
  stroke: var(--lime-400);
  stroke-width: 2;
}

.page-products .prod-reel__groups rect {
  fill: var(--pitch-700);
  stroke: var(--line-300);
  stroke-width: 1;
}

/* ---------- 对比视图 ---------- */
.page-products .prod-compare {
  list-style: none;
  margin: clamp(22px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-300);
  border: var(--hair);
}

.page-products .prod-compare__card {
  background: var(--pitch-900);
  padding: var(--prod-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 2px solid var(--indigo-600);
  transition: border-color 0.2s ease;
}

.page-products .prod-compare__card:hover {
  border-top-color: var(--lime-400);
}

.page-products .prod-compare__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
}

.page-products .prod-compare__card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 步骤 ---------- */
.page-products .prod-steps {
  list-style: none;
  counter-reset: pstep;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: var(--hair);
}

.page-products .prod-steps li {
  background: var(--pitch-900);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .prod-steps li::before {
  counter-increment: pstep;
  content: counter(pstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime-400);
}

/* ---------- 帮助文档 ---------- */
.page-products .prod-help {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  border-top: var(--hair);
}

.page-products .prod-help__item {
  border-bottom: var(--hair);
  background: var(--pitch-900);
}

.page-products .prod-help__summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 15px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-050);
}

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

.page-products .prod-help__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime-400);
}

.page-products .prod-help__item[open] .prod-help__summary::after {
  content: "−";
}

.page-products .prod-help__summary:hover {
  color: var(--lime-200);
}

.page-products .prod-help__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-400);
}

.page-products .prod-help__body {
  margin: 0;
  padding: 0 4px 18px 46px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate-400);
}

/* ---------- 适用人群 ---------- */
.page-products .prod-audience {
  margin: clamp(22px, 3vw, 38px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}

.page-products .prod-audience__card {
  position: relative;
  background: var(--pitch-900);
  border: var(--hair);
  border-left: 3px solid var(--amber-500);
  padding: var(--prod-pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .prod-audience__card h3 {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 500;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.35;
  color: var(--paper-050);
}

.page-products .prod-audience__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-products .prod-audience__freq {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--lime-200) !important;
}

/* ---------- 结尾引导 ---------- */
.page-products .prod-cta {
  background: linear-gradient(180deg, var(--wine-700) 0%, var(--ink-950) 72%);
}

.page-products .prod-cta__inner {
  background: var(--pitch-900);
  border: var(--hair);
  border-top: 2px solid var(--lime-400);
  padding: clamp(24px, 3.4vw, 44px);
}

.page-products .prod-cta__lead {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--slate-400);
  max-width: 68ch;
}

.page-products .prod-cta__links {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .qh-btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 0;
  border: var(--hair);
  background: transparent;
  color: var(--paper-050);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-products .qh-btn:hover {
  border-color: var(--lime-400);
  color: var(--lime-200);
}

.page-products .qh-btn--solid {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
}

.page-products .qh-btn--solid:hover {
  background: var(--lime-200);
  border-color: var(--lime-200);
  color: var(--ink-950);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 960px) {
  .page-products .prod-board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-products .prod-board--flip {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }

  .page-products .prod-board__viz {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1120px) {
  .page-products .prod-modules {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .prod-audience {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-module,
  .page-products .prod-compare__card,
  .page-products .qh-filter,
  .page-products .qh-btn {
    transition: none;
  }
}