.page-products {
  --pp-gap: clamp(14px, 2vw, 22px);
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  padding-block: clamp(16px, 2.4vw, 26px) 0;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--signal);
}

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

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-products .stage {
  padding-block: clamp(22px, 4vw, 44px) clamp(48px, 7vw, 90px);
}

.page-products .stage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 42px);
  align-items: start;
}

.page-products .stage__title {
  margin: 14px 0 18px;
  font-size: clamp(40px, 8.6vw, 84px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--paper);
}

.page-products .stage__intro {
  max-width: 32em;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .stage__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .stage__device {
  position: relative;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(18, 51, 43, 0.88), rgba(11, 13, 12, 0.95));
  box-shadow: 0 26px 60px -44px rgba(0, 0, 0, 0.95);
}

.page-products .stage__device::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 12px;
  width: 46%;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent);
}

.page-products .stage__device-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .stage__ver {
  color: var(--signal);
  font-size: 14px;
}

.page-products .media-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--glass);
}

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

/* ---------- 三条入口带 ---------- */
.page-products .lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(34px, 5vw, 62px);
}

.page-products .lane {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 20px 24px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .lane::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--signal);
}

.page-products .lane:hover,
.page-products .lane:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-signal);
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.11), rgba(255, 255, 255, 0.02));
}

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

.page-products .lane__title {
  font-size: clamp(22px, 3vw, 27px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-products .lane__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .lane__go {
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-soft);
}

.page-products .lane__go::after {
  content: " →";
}

/* ---------- 章节通用 ---------- */
.page-products .zone {
  padding-block: clamp(52px, 8vw, 104px);
}

.page-products .zone--client,
.page-products .zone--archive {
  background: var(--console);
}

.page-products .zone__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-products .zone__title {
  margin: 0;
  font-size: clamp(26px, 4.2vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-products .rail-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-products .split__copy p {
  max-width: 34em;
  margin: 0 0 20px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .split__copy p a {
  color: var(--signal-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-signal);
}

.page-products .split__copy p a:hover {
  color: var(--signal);
}

/* ---------- 网页专区要点 ---------- */
.page-products .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--signal);
  transform: rotate(45deg);
}

.page-products .checklist strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 读数条 ---------- */
.page-products .readouts {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .readouts li {
  display: grid;
  gap: 6px;
  padding: 20px 16px;
  background: var(--night);
}

.page-products .readouts__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .readouts__num .unit {
  margin-left: 3px;
  font-size: 13px;
  color: var(--mist);
}

.page-products .readouts__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 版本规格 ---------- */
.page-products .spec-sheet {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .spec-sheet__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .spec-sheet dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .spec-sheet dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--signal);
}

/* ---------- 折叠组 ---------- */
.page-products .folds {
  display: grid;
  gap: 10px;
}

.page-products .fold {
  padding: 0 18px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.035);
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .fold[open] {
  border-color: var(--line-signal);
  background: rgba(255, 138, 61, 0.07);
}

.page-products .fold summary {
  position: relative;
  padding: 16px 28px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-products .fold summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--signal);
}

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

.page-products .fold p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 订阅清单 ---------- */
.page-products .roster {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .roster__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .roster__chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid var(--steel);
}

.page-products .roster__chip.is-on {
  color: var(--paper);
  border-color: var(--line-signal);
  background: rgba(255, 138, 61, 0.1);
}

.page-products .roster__chip.is-on::before {
  background: var(--signal);
  border-color: var(--signal);
}

.page-products .roster__count {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-products .channels span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-products .channels__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 资料下载 ---------- */
.page-products .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .formats {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .format {
  padding: 4px 0 4px 14px;
  border-left: 2px solid var(--signal);
}

.page-products .format__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-soft);
}

.page-products .format p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .trend-strip {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.5vw, 40px);
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.025);
}

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

.page-products .trend-strip p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 使用流程 ---------- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .step {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}

.page-products .step__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-products .step h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-products .flow-aside {
  display: grid;
  gap: 20px;
  margin-top: clamp(24px, 3.5vw, 42px);
}

.page-products .flow-aside__note {
  padding-left: 16px;
  border-left: 2px solid var(--line-signal);
}

.page-products .flow-aside__note p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 按钮 ---------- */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease), background 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-products .btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--night);
}

.page-products .btn--signal:hover {
  background: var(--signal-soft);
  border-color: var(--signal-soft);
}

.page-products .btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}

.page-products .btn--ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

/* ---------- 收尾 ---------- */
.page-products .closing {
  padding-block: clamp(40px, 6vw, 76px) clamp(56px, 8vw, 96px);
}

.page-products .closing__panel {
  display: grid;
  gap: 20px;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  background: radial-gradient(120% 170% at 0% 0%, rgba(255, 138, 61, 0.16), transparent 55%), var(--glass);
}

.page-products .closing__panel h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .closing__panel p {
  max-width: 40em;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .readouts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .readouts li {
    padding: 24px 20px;
  }
}

@media (min-width: 860px) {
  .page-products .lanes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-products .lane:nth-child(2) {
    margin-top: 28px;
  }

  .page-products .lane:nth-child(3) {
    margin-top: 56px;
  }

  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

@media (min-width: 900px) {
  .page-products .zone__head {
    grid-template-columns: 64px minmax(0, 1fr) auto;
    gap: 20px;
    align-items: end;
  }

  .page-products .flow-aside {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .trend-strip {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-products .archive-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-products .stage__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(24px, 3vw, 48px);
  }

  .page-products .stage__device {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .lane,
  .page-products .btn,
  .page-products .fold {
    transition: none;
  }

  .page-products .lane:hover,
  .page-products .lane:focus-visible {
    transform: none;
  }

  .page-products .stage__device {
    transform: none;
  }
}