.page-products {
  --pp-gap: clamp(14px, 1.6vw, 20px);
  --pp-radius-a: 2px 2px 18px 2px;
  --pp-radius-b: 18px 2px 2px 2px;
  padding-bottom: clamp(50px, 7vw, 100px);
}

/* ============ 首屏 ============ */
.page-products .dl-hero {
  position: relative;
  margin: clamp(16px, 2.6vw, 30px) 0 clamp(38px, 5.5vw, 76px);
  padding: clamp(24px, 3.6vw, 48px) 0 clamp(28px, 4vw, 52px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(22, 48, 79, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 48, 79, 0.5) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(130% 95% at 12% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(130% 95% at 12% 0%, #000 18%, transparent 76%);
  pointer-events: none;
}

.page-products .dl-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 52px);
  align-items: end;
}

.page-products .dl-hero__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-products .dl-hero__title {
  margin: 16px 0 18px;
  font-size: clamp(1.95rem, 4.1vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--c-paper);
  max-width: 17em;
}

.page-products .dl-hero .lede {
  margin: 0;
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  line-height: 1.8;
  color: var(--c-text);
  max-width: 52ch;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 26px;
}

.page-products .dl-hero__link {
  font-size: 14px;
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--dur) var(--ease);
}

.page-products .dl-hero__link:hover {
  color: var(--c-gold-bright);
}

.page-products .dl-hero__panel {
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-a);
  padding: 20px 22px 18px;
  background: linear-gradient(158deg, rgba(22, 48, 79, 0.85), rgba(5, 14, 28, 0.94));
}

.page-products .dl-hero__panel-title {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-graphite);
}

.page-products .dl-facts {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-products .dl-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--c-line);
}

.page-products .dl-facts__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .dl-facts dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-graphite);
}

.page-products .dl-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-gold-bright);
}

/* ============ 通用图容器 ============ */
.page-products .dl-fig {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-a);
  background: var(--c-midnight);
  overflow: hidden;
}

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

.page-products .dl-fig__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-graphite);
  border-top: 1px solid var(--c-line);
  background: rgba(5, 14, 28, 0.7);
}

/* ============ 章节通用微调 ============ */
.page-products .section {
  margin-top: clamp(44px, 6.5vw, 88px);
}

.page-products .section__index {
  color: var(--c-gold);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: 0.06em;
  margin: 0 0 6px;
}

.page-products .section__title {
  color: var(--c-paper);
  max-width: 26em;
}

.page-products .section__desc {
  max-width: 60ch;
  color: var(--c-graphite);
}

/* ============ 01 工具货架 ============ */
.page-products .tool-tabs {
  position: relative;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .tool-tabs__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 .tool-tabs__bar {
  display: flex;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--c-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .tool-tabs__label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s) var(--radius-s) var(--radius-l) var(--radius-s);
  background: rgba(22, 48, 79, 0.24);
  color: var(--c-text);
  font-size: 13.5px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-products .tool-tabs__label .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-graphite);
}

.page-products .tool-tabs__label:hover {
  border-color: var(--c-gold-bright);
  color: var(--c-paper);
}

.page-products #tool-tab-all:checked ~ .tool-tabs__bar [for="tool-tab-all"],
.page-products #tool-tab-1:checked ~ .tool-tabs__bar [for="tool-tab-1"],
.page-products #tool-tab-2:checked ~ .tool-tabs__bar [for="tool-tab-2"],
.page-products #tool-tab-3:checked ~ .tool-tabs__bar [for="tool-tab-3"],
.page-products #tool-tab-4:checked ~ .tool-tabs__bar [for="tool-tab-4"],
.page-products #tool-tab-5:checked ~ .tool-tabs__bar [for="tool-tab-5"] {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-midnight);
  font-weight: 700;
}

.page-products #tool-tab-all:checked ~ .tool-tabs__bar [for="tool-tab-all"] .mono,
.page-products #tool-tab-1:checked ~ .tool-tabs__bar [for="tool-tab-1"] .mono,
.page-products #tool-tab-2:checked ~ .tool-tabs__bar [for="tool-tab-2"] .mono,
.page-products #tool-tab-3:checked ~ .tool-tabs__bar [for="tool-tab-3"] .mono,
.page-products #tool-tab-4:checked ~ .tool-tabs__bar [for="tool-tab-4"] .mono,
.page-products #tool-tab-5:checked ~ .tool-tabs__bar [for="tool-tab-5"] .mono {
  color: rgba(5, 14, 28, 0.68);
}

.page-products .tool-shelf {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .tool-card {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-a);
  background: linear-gradient(155deg, rgba(22, 48, 79, 0.5), rgba(5, 14, 28, 0.82));
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .tool-card:nth-child(even) {
  border-radius: var(--pp-radius-b);
}

.page-products .tool-card:hover {
  border-color: var(--c-gold-bright);
  box-shadow: 0 0 0 1px rgba(242, 206, 90, 0.22);
}

.page-products .tool-card--hero {
  grid-column: span 7;
}

.page-products .tool-card--wide {
  grid-column: span 5;
}

.page-products .tool-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .tool-card__idx {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.page-products .tool-card__title {
  margin: 0;
  font-size: clamp(1.1rem, 1.6vw, 1.42rem);
  line-height: 1.3;
  color: var(--c-paper);
}

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

.page-products .tool-card__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .tool-card__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-products .tool-card__list li {
  position: relative;
  padding-left: 17px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--c-graphite);
}

.page-products .tool-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 1px;
  background: var(--c-gold);
}

.page-products .tool-card__figure {
  margin-top: 6px;
  border-radius: 2px 2px 14px 2px;
}

.page-products .tool-card__figure img {
  aspect-ratio: 16 / 10;
}

/* 页签联动：非当前卡片的降位过渡 */
.page-products #tool-tab-1:checked ~ .tool-shelf .tool-card:not(:nth-child(1)),
.page-products #tool-tab-2:checked ~ .tool-shelf .tool-card:not(:nth-child(2)),
.page-products #tool-tab-3:checked ~ .tool-shelf .tool-card:not(:nth-child(3)),
.page-products #tool-tab-4:checked ~ .tool-shelf .tool-card:not(:nth-child(4)),
.page-products #tool-tab-5:checked ~ .tool-shelf .tool-card:not(:nth-child(5)) {
  opacity: 0.3;
  transform: translateY(9px);
}

/* ============ 02 历史号码查询 ============ */
.page-products .dl-query__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 34px);
}

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

.page-products .filter-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
}

.page-products .filter-item:first-child {
  padding-top: 0;
}

.page-products .filter-item__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
  padding-top: 4px;
}

.page-products .filter-item__title {
  margin: 0 0 5px;
  font-size: 1.02rem;
  color: var(--c-paper);
}

.page-products .filter-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-text);
}

.page-products .result-preview {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  border-radius: 2px var(--radius-l) var(--radius-s) var(--radius-s);
  background: rgba(5, 14, 28, 0.6);
}

.page-products .result-preview__cap {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-graphite);
}

.page-products .result-preview__cols {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .result-preview__cols li {
  padding: 5px 11px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  font-size: 13px;
  color: var(--c-text);
  background: rgba(22, 48, 79, 0.34);
}

.page-products .dl-query__figure img {
  aspect-ratio: 16 / 10;
}

.page-products .scene-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .scene-pair__item {
  padding: 20px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-b);
  background: linear-gradient(150deg, rgba(246, 241, 228, 0.06), rgba(5, 14, 28, 0.72));
}

.page-products .scene-pair__tag {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

.page-products .scene-pair__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--c-paper);
}

.page-products .scene-pair__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-text);
}

/* ============ 03 频次与走势 ============ */
.page-products .dl-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.8vw, 38px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .stats-block {
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-a);
  background: linear-gradient(158deg, rgba(22, 48, 79, 0.46), rgba(5, 14, 28, 0.86));
}

.page-products .stats-block--trend {
  border-radius: var(--pp-radius-b);
  background: linear-gradient(158deg, rgba(5, 14, 28, 0.9), rgba(22, 48, 79, 0.4));
}

.page-products .stats-block__tag {
  margin: 0 0 7px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-products .stats-block__title {
  margin: 0 0 12px;
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
  color: var(--c-paper);
}

.page-products .stats-block__text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-text);
}

.page-products .stats-block__hint {
  margin: 12px 0 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-graphite);
}

.page-products .stats-block__figure {
  margin-top: 14px;
}

.page-products .stats-block__figure img {
  aspect-ratio: 5 / 3;
}

.page-products .stats-block__more {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-products .stats-block__more a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .stats-block__more a:hover {
  color: var(--c-gold-bright);
}

.page-products .heat {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 5px;
  max-width: 340px;
}

.page-products .heat__cell {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease);
}

.page-products .heat__cell:hover {
  transform: scale(1.14);
}

.page-products .heat--l1 { background: rgba(53, 224, 208, 0.16); }
.page-products .heat--l2 { background: rgba(53, 224, 208, 0.34); }
.page-products .heat--l3 { background: rgba(53, 224, 208, 0.58); }
.page-products .heat--l4 { background: rgba(201, 162, 39, 0.72); }
.page-products .heat--l5 { background: rgba(255, 77, 141, 0.82); }

.page-products .heat__cell::after {
  content: attr(data-v);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--c-gold-bright);
  color: var(--c-midnight);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
  z-index: 3;
}

.page-products .heat__cell:hover::after {
  opacity: 1;
}

.page-products .window-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .window-list__item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px dashed var(--c-line);
}

.page-products .window-list__no {
  font-size: 1.55rem;
  line-height: 1;
  color: var(--c-gold-bright);
  letter-spacing: -0.02em;
}

.page-products .window-list__title {
  margin: 0 0 4px;
  font-size: 0.98rem;
  color: var(--c-paper);
}

.page-products .window-list__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text);
}

/* ============ 04 安装流程 ============ */
.page-products .dl-install__intro {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 42px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(24px, 3.4vw, 40px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .dl-install__figure img {
  aspect-ratio: 1 / 1;
}

.page-products .dl-install__lead-title {
  margin: 0 0 12px;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  color: var(--c-paper);
}

.page-products .dl-install__lead-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
  max-width: 46ch;
}

.page-products .dl-install__lead-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-products .step-list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.page-products .step-list__item {
  position: relative;
  padding: 28px 14px 0 0;
  border-top: 1px solid var(--c-line);
}

.page-products .step-list__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.14);
}

.page-products .step-list__no {
  display: block;
  margin-bottom: 9px;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--c-gold-bright);
}

.page-products .step-list__title {
  margin: 0 0 7px;
  font-size: 0.98rem;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-products .step-list__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-graphite);
}

/* ============ 05 运行环境与版本 ============ */
.page-products .dl-env__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .spec-list {
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .spec-list__row {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .spec-list__key {
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--c-graphite);
}

.page-products .spec-list__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-products .spec-list__val a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .spec-list__val a:hover {
  color: var(--c-gold-bright);
}

.page-products .changelog {
  padding: 20px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-b);
  background: linear-gradient(160deg, rgba(246, 241, 228, 0.07), rgba(5, 14, 28, 0.8));
}

.page-products .changelog__cap {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-products .changelog__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .changelog__item {
  padding-left: 14px;
  border-left: 2px solid var(--c-line);
}

.page-products .changelog__ver {
  display: inline-block;
  margin-bottom: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-s);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-midnight);
  background: var(--c-gold);
}

.page-products .changelog__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-text);
}

/* ============ 06 使用场景 ============ */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.2vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius-a);
  background: linear-gradient(150deg, rgba(22, 48, 79, 0.52), rgba(5, 14, 28, 0.84));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .scene-card:nth-child(2) {
  border-radius: var(--pp-radius-b);
}

.page-products .scene-card:hover {
  border-color: var(--c-gold-bright);
  transform: translateY(-3px);
}

.page-products .scene-card__no {
  margin: 0;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: rgba(201, 162, 39, 0.55);
}

.page-products .scene-card__title {
  margin: 0;
  font-size: 1.04rem;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-products .scene-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
  flex: 1 1 auto;
}

.page-products .scene-card__path {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
}

/* ============ 07 获取帮助 ============ */
.page-products .dl-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .help-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .help-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s) var(--radius-s) var(--radius-l) var(--radius-s);
  background: rgba(22, 48, 79, 0.26);
}

.page-products .help-steps__no {
  font-size: 1.05rem;
  color: var(--c-gold-bright);
  padding-top: 2px;
}

.page-products .help-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-text);
}

.page-products .help-steps__text a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .help-steps__text a:hover {
  color: var(--c-gold-bright);
}

.page-products .help-contact {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--c-gold);
  border-radius: var(--pp-radius-b);
  background: linear-gradient(155deg, rgba(201, 162, 39, 0.12), rgba(5, 14, 28, 0.9));
}

.page-products .help-contact__cap {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-products .help-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 0;
  border-top: 1px dashed var(--c-line);
}

.page-products .help-contact__label {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--c-graphite);
}

.page-products .help-contact__value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--c-paper);
  word-break: break-all;
}

.page-products .help-contact .copy-btn {
  flex: 0 0 auto;
  padding: 4px 10px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--c-text);
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-products .help-contact .copy-btn:hover {
  border-color: var(--c-gold-bright);
  color: var(--c-gold-bright);
}

.page-products .help-contact__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-graphite);
}

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .page-products .dl-hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .dl-hero__title {
    max-width: 22em;
  }

  .page-products .tool-card--hero,
  .page-products .tool-card--wide {
    grid-column: span 6;
  }

  .page-products .tool-card {
    grid-column: span 6;
  }

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

  .page-products .scene-grid .scene-card:nth-child(3) {
    grid-column: span 2;
  }
}

@media (max-width: 920px) {
  .page-products .dl-query__grid,
  .page-products .dl-env__grid,
  .page-products .dl-help__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .dl-install__intro {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .dl-install__figure {
    max-width: 260px;
  }

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

  .page-products .step-list__item {
    padding: 0 0 22px 26px;
    border-top: 0;
    border-left: 1px solid var(--c-line);
  }

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

  .page-products .step-list__item::before {
    top: 4px;
    left: -6px;
  }

  .page-products .step-list__no {
    font-size: 1.05rem;
  }
}

@media (max-width: 720px) {
  .page-products .tool-shelf {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .tool-card,
  .page-products .tool-card--hero,
  .page-products .tool-card--wide {
    grid-column: span 1;
  }

  .page-products .dl-stats__grid,
  .page-products .scene-grid,
  .page-products .scene-pair {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .scene-grid .scene-card:nth-child(3) {
    grid-column: span 1;
  }

  .page-products .dl-hero__title {
    font-size: clamp(1.65rem, 7.2vw, 2.2rem);
  }

  .page-products .spec-list__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-products .filter-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .page-products .window-list__item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .heat {
    max-width: 100%;
  }

  .page-products .help-steps__item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    padding: 14px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .scene-card,
  .page-products .heat__cell,
  .page-products .tool-tabs__label {
    transition: none;
  }

  .page-products #tool-tab-1:checked ~ .tool-shelf .tool-card:not(:nth-child(1)),
  .page-products #tool-tab-2:checked ~ .tool-shelf .tool-card:not(:nth-child(2)),
  .page-products #tool-tab-3:checked ~ .tool-shelf .tool-card:not(:nth-child(3)),
  .page-products #tool-tab-4:checked ~ .tool-shelf .tool-card:not(:nth-child(4)),
  .page-products #tool-tab-5:checked ~ .tool-shelf .tool-card:not(:nth-child(5)) {
    transform: none;
  }
}
<<<END>>>