.page-products {
  --dl-radius: 26px;
  --dl-gap: 18px;
  color: var(--ivory);
  background: var(--ink);
  font-family: var(--font-body);
  line-height: 1.9;
  overflow-x: hidden;
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-products .dl-top {
  padding-top: clamp(88px, 13vw, 120px);
  padding-bottom: 10px;
}
.page-products .dl-crumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon);
}
.page-products .dl-crumb li {
  display: flex;
  align-items: center;
}
.page-products .dl-crumb li + li {
  margin-left: 8px;
}
.page-products .dl-crumb li + li::before {
  content: "／";
  color: var(--gold-deep);
  margin-right: 8px;
}
.page-products .dl-crumb a {
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .dl-crumb a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-deep);
}
.page-products .dl-crumb [aria-current="page"] {
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  display: grid;
  gap: 30px;
  padding-top: 18px;
  padding-bottom: clamp(44px, 7vw, 84px);
}
.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 12px 0 20px;
  color: var(--ivory);
}
.page-products .dl-hero .lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.95;
  color: var(--ivory);
  opacity: 0.82;
}
.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}
.page-products .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--grad-gold);
}
.page-products .dl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .dl-hero-board {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(201, 162, 39, 0.10) 0%, rgba(20, 21, 26, 0.95) 58%);
  padding: clamp(20px, 4vw, 28px);
  overflow: hidden;
}
.page-products .dl-hero-board::after {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 78px;
  height: 1px;
  background: var(--grad-gold);
}
.page-products .dl-board-label {
  margin: 0 0 16px;
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--celadon);
}
.page-products .dl-board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .dl-board-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .dl-board-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-products .dl-board-num {
  flex: 0 0 auto;
  font-family: var(--font-narrow);
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--gold-hi);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.page-products .dl-board-txt {
  font-size: 13.5px;
  color: var(--celadon);
  line-height: 1.7;
}

/* ---------- 通用区块 ---------- */
.page-products .dl-section {
  padding-top: clamp(44px, 7vw, 76px);
}
.page-products .dl-section-head {
  margin-bottom: clamp(22px, 3.6vw, 34px);
}
.page-products .dl-section-head .h2,
.page-products .dl-band-head .h2,
.page-products .dl-verify-copy .h2,
.page-products .dl-req-inner .h2,
.page-products .dl-sub-inner .h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin: 10px 0 12px;
  color: var(--ivory);
}
.page-products .dl-note {
  max-width: 34em;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--celadon);
}
.page-products .dl-note a,
.page-products .dl-sub-note a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-deep);
  transition: color var(--dur) var(--ease);
}
.page-products .dl-note a:hover,
.page-products .dl-sub-note a:hover {
  color: var(--ivory);
}
.page-products .h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
  color: var(--ivory);
}

/* ---------- 三步 ---------- */
.page-products .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-products .dl-step {
  position: relative;
  padding: 20px 20px 20px 62px;
  border-radius: var(--radius-md);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
}
.page-products .dl-step-num {
  position: absolute;
  left: 18px;
  top: 21px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad-gold);
  color: var(--ink);
  font-family: var(--font-narrow);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}
.page-products .dl-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ivory);
  opacity: 0.8;
}

/* ---------- 版本卡 ---------- */
.page-products .dl-section-head--split {
  display: grid;
  gap: 20px;
}
.page-products .dl-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: start;
}
.page-products .dl-filter .filter-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--celadon);
  border-radius: var(--pill);
  padding: 7px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .dl-filter .filter-btn:hover {
  color: var(--gold-hi);
  border-color: var(--gold-deep);
}
.page-products .dl-filter .filter-btn[aria-pressed="true"] {
  background: var(--grad-gold);
  color: var(--ink);
  border-color: transparent;
  font-weight: 700;
}

.page-products .dl-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
}
.page-products .dl-vcard {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products .dl-vcard::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--grad-gold);
  opacity: 0.7;
  z-index: 2;
}
.page-products .dl-vcard:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}
.page-products .dl-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: rgba(11, 11, 13, 0.82);
  border: 1px solid var(--gold);
  color: var(--gold-hi);
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.6;
}
.page-products .dl-vcard-media {
  margin: 0;
  aspect-ratio: 16 / 9;
  background: #0f1013;
  overflow: hidden;
}
.page-products .dl-vcard-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .dl-vcard-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 3vw, 24px);
}
.page-products .dl-vcard-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ivory);
  opacity: 0.76;
}
.page-products .meta-list {
  margin: 0;
  display: grid;
}
.page-products .meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .meta-row:last-child {
  border-bottom: 0;
}
.page-products .meta-key {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--celadon);
  letter-spacing: 0.04em;
}
.page-products .meta-val {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  text-align: right;
  color: var(--ivory);
}
.page-products .mono {
  font-family: var(--font-narrow);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.page-products .meta-val.mono {
  color: var(--gold-hi);
  font-weight: 600;
}
.page-products .dl-hash {
  display: grid;
  gap: 8px;
  padding: 13px 14px;
  border-radius: 14px;
  background: var(--graphite);
}
.page-products .dl-hash-label {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--celadon);
}
.page-products .dl-hash-code {
  display: block;
  font-family: var(--font-narrow);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
  word-break: break-all;
}
.page-products .dl-hash-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-products .copy-btn {
  appearance: none;
  border: 1px solid var(--gold-deep);
  background: transparent;
  color: var(--gold-hi);
  border-radius: var(--pill);
  padding: 5px 14px;
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .copy-btn:hover {
  background: var(--gold);
  color: var(--ink);
}
.page-products .copy-note {
  font-size: 12px;
  color: var(--gold-hi);
  opacity: 0;
  transition: opacity 200ms var(--ease);
}
.page-products .copy-note.is-shown {
  opacity: 1;
}

/* ---------- 更新摘要带 ---------- */
.page-products .dl-band {
  margin-top: clamp(48px, 8vw, 88px);
  padding: clamp(44px, 7vw, 80px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .dl-band-inner {
  display: grid;
  gap: 28px;
}
.page-products .dl-band-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .dl-band-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .dl-band-list li:first-child {
  padding-top: 0;
}
.page-products .dl-band-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .dl-band-num {
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 3px;
}
.page-products .dl-band-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ivory);
  opacity: 0.78;
}

/* ---------- 校验 ---------- */
.page-products .dl-verify-grid {
  display: grid;
  gap: 30px;
}
.page-products .dl-verify-copy .dl-note {
  margin-bottom: 22px;
}
.page-products .dl-verify-steps {
  counter-reset: vstep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .dl-verify-steps li {
  counter-increment: vstep;
  position: relative;
  padding-left: 38px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ivory);
  opacity: 0.84;
}
.page-products .dl-verify-steps li::before {
  content: counter(vstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-narrow);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-products .dl-verify-media {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-2);
}
.page-products .dl-verify-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 系统要求 ---------- */
.page-products .dl-req {
  position: relative;
  margin-top: clamp(52px, 9vw, 96px);
  padding: clamp(44px, 7vw, 84px) 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.page-products .dl-req-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(1) contrast(1.1);
  pointer-events: none;
  z-index: 0;
}
.page-products .dl-req-inner {
  position: relative;
  z-index: 1;
}
.page-products .dl-req-lead {
  margin-bottom: clamp(22px, 3.4vw, 32px);
}
.page-products .dl-req-cols {
  display: grid;
  gap: 16px;
}
.page-products .dl-req-group {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: rgba(11, 11, 13, 0.78);
}
.page-products .dl-req-group .h3 {
  margin-bottom: 12px;
  color: var(--gold-hi);
}
.page-products .dl-req-group dl {
  margin: 0;
  display: grid;
}
.page-products .dl-req-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .dl-req-row:last-child {
  border-bottom: 0;
}
.page-products .dl-req-row dt {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--celadon);
}
.page-products .dl-req-row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  text-align: right;
  color: var(--ivory);
}

.page-products .dl-trouble {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 30px);
}
.page-products .dl-trouble details {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(20, 21, 26, 0.88);
  padding: 0 18px;
}
.page-products .dl-trouble summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ivory);
}
.page-products .dl-trouble summary::-webkit-details-marker {
  display: none;
}
.page-products .dl-trouble summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-narrow);
  font-size: 18px;
  color: var(--gold);
  line-height: 1;
}
.page-products .dl-trouble details[open] summary::after {
  content: "−";
}
.page-products .dl-trouble details p {
  max-width: 34em;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ivory);
  opacity: 0.78;
}

/* ---------- 订阅 ---------- */
.page-products .dl-sub {
  padding-top: clamp(52px, 8vw, 96px);
  padding-bottom: clamp(64px, 10vw, 116px);
}
.page-products .dl-sub-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(26px, 5vw, 48px) clamp(20px, 4vw, 44px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 0%, rgba(201, 162, 39, 0.13) 0%, rgba(20, 21, 26, 0) 68%);
}
.page-products .dl-sub-inner .eyebrow {
  justify-content: center;
}
.page-products .dl-sub-inner .eyebrow::before {
  display: none;
}
.page-products .dl-sub-inner .dl-note {
  margin: 0 auto;
  max-width: 32em;
}
.page-products .dl-sub-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 22px 0 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--graphite);
}
.page-products .dl-sub-mail code {
  font-family: var(--font-narrow);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
  word-break: break-all;
}
.page-products .dl-sub-note {
  max-width: 32em;
  margin: 0 auto;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--celadon);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .dl-version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
  .page-products .dl-version-grid .dl-vcard--desktop {
    grid-column: 1 / -1;
  }
  .page-products .dl-req-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
    gap: 48px;
  }
  .page-products .dl-section-head--split {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
  .page-products .dl-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-products .dl-step + .dl-step::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 34px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  }
  .page-products .dl-version-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .page-products .dl-version-grid .dl-vcard--desktop {
    grid-column: 1 / span 7;
    grid-row: 1 / span 2;
  }
  .page-products .dl-version-grid .dl-vcard--mobile {
    grid-column: 8 / span 5;
    grid-row: 1;
  }
  .page-products .dl-version-grid .dl-vcard--light {
    grid-column: 8 / span 5;
    grid-row: 2;
  }
  .page-products .dl-band-inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }
  .page-products .dl-verify-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.88fr);
    gap: 56px;
    align-items: center;
  }
  .page-products .dl-req-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }
  .page-products .dl-req-cols .dl-req-group:last-child {
    grid-column: 1 / -1;
  }
  .page-products .dl-req-cols .dl-req-group:last-child dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
  .page-products .dl-verify-steps {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1100px) {
  .page-products .dl-vcard--desktop .dl-vcard-media {
    aspect-ratio: 12 / 7;
  }
  .page-products .dl-step {
    padding: 24px 24px 24px 66px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-vcard,
  .page-products .copy-btn,
  .page-products .dl-filter .filter-btn,
  .page-products .dl-crumb a {
    transition: none;
  }
  .page-products .dl-vcard:hover {
    transform: none;
  }
}