.page-products {
  --dl-gap: clamp(20px, 3vw, 36px);
  --dl-rise: 12px;
  background: var(--ink-900);
  color: var(--white);
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  padding: clamp(16px, 2.4vw, 26px) 0 0;
}

.page-products .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-products .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--steel);
}

.page-products .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line);
}

.page-products .breadcrumbs__item a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-products .breadcrumbs__item[aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.dl-hero {
  position: relative;
  margin-top: clamp(16px, 2.4vw, 28px);
  padding: clamp(28px, 5vw, 64px) 0 clamp(32px, 5vw, 60px);
  background: linear-gradient(115deg, var(--ink-800) 0%, var(--ink-900) 72%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%);
}

.dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 64, 95, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 64, 95, 0.42) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(112deg, #000 0%, transparent 58%);
  mask-image: linear-gradient(112deg, #000 0%, transparent 58%);
  pointer-events: none;
}

.dl-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -34%;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(47, 240, 208, 0.18), transparent 66%);
  pointer-events: none;
}

.dl-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.dl-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.02;
  letter-spacing: 0.02em;
}

.dl-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--steel);
}

.dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.dl-hero__plates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.dl-hero__plates > .plate {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(21, 39, 64, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.dl-hero__plates > .plate:last-child {
  grid-column: span 2;
  border-left-color: var(--flame);
}

.dl-hero__plates .plate__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  color: var(--white);
}

.dl-hero__plates .plate__unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--steel);
}

.dl-hero__plates .plate__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--steel);
}

/* ---------- 通用区块补充 ---------- */
.page-products .section-head__lead {
  max-width: 64ch;
  margin: 12px 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 01 排布切换 ---------- */
.dl-devices {
  background: var(--ink-900);
}

.dl-split {
  display: grid;
  gap: var(--dl-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.dl-split__stage {
  display: grid;
  gap: 18px;
  align-content: start;
}

.dl-stage {
  position: relative;
  padding: 20px;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
}

.dl-stage__label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.dl-ruler {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: relative;
  padding-bottom: 14px;
}

.dl-ruler::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line);
}

.dl-ruler__mark {
  position: relative;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--steel);
}

.dl-ruler__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 1px;
  height: 8px;
  background: var(--line);
  transform: translateX(-50%);
}

.dl-ruler__mark:first-child,
.dl-ruler__mark:last-child {
  color: var(--cyan);
}

.dl-stage__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.dl-scale {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dl-scale__btn,
.dl-chip {
  appearance: none;
  -webkit-appearance: none;
  min-height: 44px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
  background: var(--ink-700);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.dl-chip {
  background: transparent;
}

.dl-scale__btn:hover,
.dl-chip:hover {
  color: var(--white);
  border-color: var(--cyan);
}

.dl-scale__btn[aria-pressed="true"],
.dl-scale__btn.is-active,
.dl-chip[aria-pressed="true"],
.dl-chip.is-active {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.dl-scale__btn:focus-visible,
.dl-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.dl-split__panels {
  display: grid;
  gap: 16px;
}

.dl-panel {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(100% - var(--cut)) 100%, 0 calc(100% - var(--cut)));
}

.dl-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 56px;
  background: var(--amber);
}

.dl-panel__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2vw, 24px);
  letter-spacing: 0.02em;
  color: var(--white);
}

.dl-panel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.dl-panel__list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.dl-panel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.dl-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 迷你排布示意 */
.dl-mock {
  display: grid;
  gap: 6px;
  aspect-ratio: 16 / 10;
  margin: 0 0 18px;
  padding: 10px;
  background: var(--ink-900);
  border: 1px solid var(--line);
}

.dl-mock span {
  display: block;
  background: var(--ink-700);
}

.dl-mock--two {
  grid-template-columns: 26% 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.dl-mock--two .dl-mock__rail {
  grid-row: 1 / 3;
  grid-column: 1;
  background: linear-gradient(180deg, rgba(47, 240, 208, 0.32), rgba(36, 64, 95, 0.55));
}

.dl-mock--two .dl-mock__block--a {
  grid-column: 2 / 4;
  background: rgba(47, 240, 208, 0.16);
}

.dl-mock--two .dl-mock__block--b {
  grid-column: 2;
}

.dl-mock--two .dl-mock__block--c {
  grid-column: 3;
  background: rgba(255, 180, 60, 0.26);
}

.dl-mock--one {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, 1fr);
}

.dl-mock--one .dl-mock__block--a {
  background: rgba(47, 240, 208, 0.16);
}

.dl-mock--one .dl-mock__block--b {
  background: rgba(255, 180, 60, 0.26);
}

.dl-mock--one .dl-mock__block--d {
  background: rgba(36, 64, 95, 0.8);
}

.dl-mock--three {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
}

.dl-mock--three .dl-mock__block--a {
  grid-column: 1 / 4;
  background: rgba(47, 240, 208, 0.16);
}

.dl-mock--three .dl-mock__block--b {
  background: rgba(255, 90, 43, 0.24);
}

.dl-mock--three .dl-mock__block--c {
  background: rgba(255, 180, 60, 0.26);
}

.dl-empty {
  padding: 24px 20px;
  background: var(--ink-800);
  border: 1px dashed var(--line);
  text-align: center;
}

.dl-empty[hidden] {
  display: none;
}

.dl-empty p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 02 平板阅读 ---------- */
.dl-tablet {
  background: var(--ink-900);
}

.dl-tablet__grid {
  display: grid;
  gap: var(--dl-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.dl-tablet__main,
.dl-tablet__side {
  margin: 0;
}

.dl-specs {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dl-specs li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
}

.dl-specs .tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

/* ---------- 03 订阅流程 ---------- */
.dl-sub {
  background: var(--ink-900);
}

.dl-sub__grid {
  display: grid;
  gap: var(--dl-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.dl-sub__figure {
  margin: 0;
}

.dl-steps {
  position: relative;
  display: grid;
  gap: 14px;
}

.dl-steps::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(47, 240, 208, 0.08) 100%);
  transform: skewX(-8deg);
  pointer-events: none;
}

.dl-step {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.dl-step[open] {
  border-color: rgba(47, 240, 208, 0.55);
}

.dl-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.dl-step__head::-webkit-details-marker {
  display: none;
}

.dl-step__head::marker {
  content: "";
}

.dl-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--flame);
}

.dl-step__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.dl-step__hint {
  display: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.dl-step__head::after {
  content: "+";
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.dl-step[open] .dl-step__head::after {
  content: "−";
}

.dl-step__body {
  padding: 0 18px 20px;
  border-top: 1px solid var(--line);
}

.dl-step__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.dl-step__body ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.dl-step__body li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.dl-step__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 04 首页排布 ---------- */
.dl-flow {
  background: var(--ink-900);
}

.dl-flow__steps {
  counter-reset: dlstep;
  display: grid;
  gap: 14px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.dl-flow__steps li {
  position: relative;
  padding: 20px 20px 20px 70px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.dl-flow__steps li::before {
  counter-increment: dlstep;
  content: counter(dlstep, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--flame);
}

/* ---------- 05 回看 ---------- */
.dl-replay {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.dl-replay__inner {
  display: grid;
  gap: var(--dl-gap);
  align-items: center;
}

.dl-replay__copy .btn {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.dl-replay__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.dl-replay__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
}

.dl-replay__stats .stat__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1;
  color: var(--amber);
}

.dl-replay__stats .stat__unit {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--steel);
}

.dl-replay__stats .stat__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 06 设备要求 ---------- */
.dl-req {
  background: var(--ink-900);
}

.dl-req__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.dl-table-wrap {
  overflow-x: auto;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.dl-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.dl-table th,
.dl-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.dl-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  background: var(--ink-700);
}

.dl-table tbody tr:nth-child(even) {
  background: rgba(21, 39, 64, 0.5);
}

.dl-table tbody tr:last-child td {
  border-bottom: 0;
}

.dl-table td {
  line-height: 1.65;
  color: var(--steel);
}

.dl-table td strong {
  color: var(--white);
}

/* ---------- 07 版本日志 ---------- */
.dl-log {
  background: var(--ink-900);
}

.dl-log__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.dl-log__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.dl-log__panel {
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.dl-log__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.dl-log__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.dl-log__row[hidden] {
  display: none;
}

.dl-log__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.dl-log__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.dl-log__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.dl-log .dl-empty {
  margin-top: 18px;
  border: 1px dashed var(--line);
}

/* ---------- 收尾 ---------- */
.dl-next {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.dl-next__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--steel);
}

.dl-next__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 208, 0.4);
}

.dl-next__text a:hover,
.dl-next__text a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 动效与响应式 ---------- */
.page-products [data-reveal] {
  opacity: 1;
}

.js-init .page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.js-init .page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 620px) {
  .dl-hero__plates {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dl-hero__plates > .plate:last-child {
    grid-column: auto;
  }

  .dl-step__hint {
    display: inline;
  }

  .dl-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .dl-log__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .dl-tablet__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .dl-specs {
    grid-column: 1 / -1;
  }

  .dl-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .dl-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .dl-split__stage {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .dl-sub__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .dl-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .dl-hero__plates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dl-hero__plates > .plate:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal],
  .js-init .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}