/* ===== 页面专属：客户端下载 /app-download/ ===== */
.page-products {
  position: relative;
  background:
    radial-gradient(circle at 10% 4%, rgba(91, 192, 190, .08), transparent 320px),
    var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 Hero ---------- */
.page-products .dp-hero {
  position: relative;
  padding: 3rem 0 4.6rem;
  background:
    radial-gradient(circle at 78% 18%, rgba(240, 50, 140, .26), transparent 36%),
    radial-gradient(circle at 18% 80%, rgba(91, 192, 190, .12), transparent 32%),
    linear-gradient(130deg, var(--ink) 0%, var(--water) 62%, var(--ink) 100%);
  color: var(--cream);
  border-bottom: 3px solid var(--magenta);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3rem), 0 100%);
}

.page-products .dp-hero-inner.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  gap: 2.6rem;
}

.page-products .dp-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(245, 184, 65, .42);
  border-radius: 999px;
  padding: .35rem .9rem;
  background: rgba(245, 184, 65, .08);
  white-space: nowrap;
}

.page-products .dp-hero h1 {
  font-family: var(--display);
  font-size: clamp(1.75rem, 4.6vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 1rem 0 .75rem;
  max-width: 18ch;
}

.page-products .dp-lead {
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(253, 247, 239, .86);
  max-width: 48ch;
}

.page-products .dp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
  align-items: center;
}

.page-products .dp-hero-actions .btn-ghost {
  color: var(--cream);
  border-color: rgba(245, 233, 215, .4);
}

.page-products .dp-dl-btn {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, var(--magenta), #ff5fa2);
  border: none;
  box-shadow: 0 0 32px rgba(240, 50, 140, .55), 0 8px 20px rgba(8, 28, 52, .3);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 1rem 2.2rem;
  letter-spacing: .04em;
}

.page-products .dp-dl-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, .35), transparent 80%);
  transform: translateX(-100%);
  transition: transform .8s var(--ease);
}

.page-products .dp-dl-btn:hover::after,
.page-products .dp-dl-btn:focus::after {
  transform: translateX(100%);
}

.page-products .dp-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(184, 196, 201, .25);
  list-style: none;
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-products .dp-hero-meta li::before {
  content: "◈ ";
  color: var(--magenta);
}

.page-products .dp-hero-visual {
  position: relative;
}

.page-products .dp-fill-bg {
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 24px 48px rgba(8, 28, 52, .5);
}

.page-products .dp-fill-bg img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .dp-sonar {
  position: absolute;
  right: .8rem;
  bottom: .9rem;
  font-size: .64rem;
  letter-spacing: .12em;
  color: var(--gold);
  background: rgba(8, 28, 52, .82);
  border: 1px dashed rgba(245, 184, 65, .6);
  padding: .3rem .7rem;
  border-radius: 2px;
}

/* ---------- 主内容骨架 ---------- */
.page-products .dp-shell.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4.5rem;
}

.page-products .dp-major {
  display: grid;
  gap: 5rem;
}

/* ---------- 通用章节 ---------- */
.page-products .dp-section {
  position: relative;
  padding-top: .5rem;
}

.page-products .dp-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 3px;
  background: linear-gradient(90deg, var(--magenta), var(--gold));
}

.page-products .section-header {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  border-bottom: 1px solid rgba(8, 28, 52, .14);
  padding-bottom: .7rem;
}

.page-products .section-index {
  font-family: var(--data);
  color: var(--magenta);
  font-weight: 700;
  font-size: .78rem;
}

.page-products .section-title {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.8vw, 2.1rem);
  letter-spacing: -.02em;
}

.page-products .dp-section-note {
  color: var(--water);
  font-size: .92rem;
  max-width: 60ch;
  line-height: 1.85;
  margin: 1rem 0 1.8rem;
}

.page-products .dp-rhythm {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--water);
  background: var(--paper);
  border-left: 3px solid var(--cyan);
  padding: .5rem .85rem;
  margin: 0 0 1.75rem;
}

/* ---------- 下载通道 ---------- */
.page-products .dp-channel-grid {
  display: grid;
  gap: 1.4rem;
}

.page-products .dp-channel-card {
  position: relative;
  padding: 1.6rem;
  background: var(--cream);
  border: 1px solid rgba(8, 28, 52, .13);
  border-radius: 4px;
  transition: transform .6s var(--ease), box-shadow .6s var(--ease), border-color .6s var(--ease);
}

.page-products .dp-channel-card:hover,
.page-products .dp-channel-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 18px 32px rgba(8, 28, 52, .12);
  border-color: rgba(240, 50, 140, .4);
}

.page-products .dp-stable {
  border-top: 4px solid var(--magenta);
}

.page-products .dp-preview {
  border-top: 4px solid var(--gold);
}

.page-products .dp-chan-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .8rem;
}

.page-products .dp-ver {
  font-size: .8rem;
  font-family: var(--data);
  color: var(--water);
}

.page-products .dp-channel-card h3 {
  font-family: var(--display);
  font-size: 1.1rem;
  margin-bottom: .5rem;
}

.page-products .dp-channel-card p {
  font-size: .86rem;
  line-height: 1.75;
  color: var(--water);
  margin: 0;
}

.page-products .dp-chan-feats {
  list-style: none;
  margin: 1rem 0 1.25rem;
  display: grid;
  gap: .45rem;
  font-size: .83rem;
  color: var(--ink);
}

.page-products .dp-chan-feats li {
  padding-left: 1.2rem;
  position: relative;
}

.page-products .dp-chan-feats li::before {
  content: "↳";
  position: absolute;
  left: 0;
  color: var(--magenta);
}

/* ---------- 弹层下载链接 ---------- */
.page-products .dp-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(8, 28, 52, .78);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s var(--ease), visibility .45s var(--ease);
}

.page-products .dp-modal:target {
  opacity: 1;
  visibility: visible;
}

.page-products .dp-modal-card {
  width: 100%;
  max-width: 420px;
  background: var(--cream);
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 2rem;
  position: relative;
  transform: translateY(28px);
  transition: transform .45s var(--ease);
}

.page-products .dp-modal:target .dp-modal-card {
  transform: translateY(0);
}

.page-products .dp-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--water);
  font-size: .75rem;
}

.page-products .dp-modal-close {
  font-size: 1.7rem;
  line-height: 1;
  color: var(--magenta);
  text-decoration: none;
  padding: 0 .2rem;
}

.page-products .dp-modal-title {
  font-family: var(--display);
  font-size: 1.25rem;
  margin: 1.2rem 0 .3rem;
}

.page-products .dp-modal-sub {
  font-size: .84rem;
  color: var(--water);
  margin: 0;
}

.page-products .dp-qr-box {
  margin: 1.4rem 0 1rem;
  padding: 1.25rem;
  text-align: center;
  background: var(--ink);
  color: var(--gold);
  border-radius: 4px;
  font-family: var(--data);
  letter-spacing: .1em;
  font-size: .95rem;
}

.page-products .dp-qr-note {
  display: block;
  margin-top: .5rem;
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-products .dp-modal-foot {
  font-size: .76rem;
  line-height: 1.7;
  color: var(--water);
  margin: 0 0 1.2rem;
}

.page-products .dp-modal-done {
  width: 100%;
  justify-content: center;
  border-color: rgba(8, 28, 52, .2);
}

/* ---------- 浏览器适配清单 ---------- */
.page-products .dp-compat-viz .visual-frame {
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1.6rem;
}

.page-products .dp-compat-viz img,
.page-products .dp-activate-visual img,
.page-products .dp-version-visual img,
.page-products .dp-guest-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .dp-browser-grid {
  display: grid;
  gap: 1rem;
}

.page-products .dp-browser-card {
  padding: 1.25rem;
  background: var(--cream);
  border: 1px solid rgba(8, 28, 52, .13);
  border-top: 3px solid var(--cyan);
  border-radius: 4px;
  cursor: default;
  transition: transform .5s var(--ease), border-top-color .5s var(--ease), box-shadow .5s var(--ease);
}

.page-products .dp-browser-card:hover,
.page-products .dp-browser-card:focus-within {
  transform: rotate(.4deg) translateY(-4px);
  border-top-color: var(--magenta);
  box-shadow: 0 12px 24px rgba(8, 28, 52, .1);
}

.page-products .dp-browser-card h3 {
  font-family: var(--display);
  font-size: 1rem;
  margin-bottom: .45rem;
}

.page-products .dp-check-state {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .5s var(--ease), opacity .5s var(--ease);
}

.page-products .dp-browser-card:hover .dp-check-state,
.page-products .dp-browser-card:focus-within .dp-check-state {
  grid-template-rows: 1fr;
  opacity: 1;
}

.page-products .dp-check-state-inner {
  overflow: hidden;
}

.page-products .dp-br-meta {
  font-size: .7rem;
  color: var(--water);
  margin: .5rem 0 0;
  line-height: 1.5;
}

/* ---------- 注册激活区域 ---------- */
.page-products .dp-activate-wrap {
  display: grid;
  gap: 2rem;
}

.page-products .dp-activate-steps {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .dp-step {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: .4rem 1rem;
  padding: 1.4rem 1.5rem;
  background: var(--paper);
  border-left: 3px solid var(--magenta);
  border-radius: 2px;
}

.page-products .dp-step-num {
  font-family: var(--data);
  font-weight: 700;
  color: var(--magenta);
  font-size: .9rem;
}

.page-products .dp-step h3 {
  font-family: var(--display);
  font-size: 1rem;
  margin: 0;
}

.page-products .dp-step p {
  grid-column: 2;
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--water);
}

.page-products .dp-activate-visual .visual-frame {
  border-radius: 6px;
  overflow: hidden;
}

.page-products .dp-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.page-products .dp-compare-col {
  padding: 1.4rem 1.5rem;
  border-radius: 4px;
}

.page-products .dp-compare-guest {
  background: var(--paper);
  border: 1px dashed rgba(8, 28, 52, .32);
}

.page-products .dp-compare-user {
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--gold);
}

.page-products .dp-compare-col h3 {
  font-family: var(--display);
  font-size: 1.05rem;
  margin: 0 0 .75rem;
}

.page-products .dp-compare-col ul {
  list-style: none;
  display: grid;
  gap: .4rem;
  font-size: .84rem;
  margin: 0;
}

.page-products .dp-compare-col li::before {
  content: "◆ ";
  color: var(--magenta);
}

.page-products .dp-compare-user li::before {
  color: var(--gold);
}

.page-products .dp-activate-fix {
  position: sticky;
  bottom: 1rem;
  z-index: 8;
  margin-top: 1.5rem;
  text-align: right;
}

.page-products .dp-activate-fix .btn {
  box-shadow: 0 12px 28px rgba(8, 28, 52, .18);
}

/* ---------- 版本演进 ---------- */
.page-products .dp-version-wrap {
  display: grid;
  gap: 2rem;
}

.page-products .dp-version-visual .visual-frame {
  border-radius: 6px;
  overflow: hidden;
}

.page-products .dp-version-timeline {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 1.4rem .3rem 1.2rem 0;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--magenta) transparent;
}

.page-products .dp-ver-item {
  position: relative;
  flex: 0 0 240px;
  scroll-snap-align: start;
  background: var(--paper);
  border-radius: 4px;
  padding: 1.4rem 1.2rem 1.2rem 1.6rem;
  border-top: 3px solid var(--gold);
  transition: background .4s var(--ease), transform .4s var(--ease);
}

.page-products .dp-ver-item:hover {
  background: var(--cream);
  transform: translateY(-4px);
}

.page-products .dp-ver-dot {
  position: absolute;
  left: 1.2rem;
  top: -6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--paper);
}

.page-products .dp-ver-dot.gold {
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
}

.page-products .dp-ver-dot.magenta {
  background: var(--magenta);
  box-shadow: 0 0 12px var(--magenta);
}

.page-products .dp-ver-dot.cyan {
  background: var(--cyan);
}

.page-products .dp-ver-body h3 {
  font-family: var(--display);
  font-size: .98rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 .4rem;
}

.page-products .dp-ver-body p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--water);
  font-family: var(--body);
}

/* ---------- 游客浏览入口 ---------- */
.page-products .dp-guest-card {
  display: grid;
  gap: 1.4rem;
  padding: 1.5rem;
  background: var(--paper);
  border: 1px solid rgba(8, 28, 52, .1);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.page-products .dp-guest-img {
  overflow: hidden;
  border-radius: 4px;
}

.page-products .dp-guest-body h3 {
  font-family: var(--display);
  font-size: 1.12rem;
  line-height: 1.5;
  margin: .75rem 0 .6rem;
}

.page-products .dp-guest-body p {
  font-size: .86rem;
  line-height: 1.75;
  color: var(--water);
  margin: 0 0 1.25rem;
  max-width: 56ch;
}

.page-products .dp-guest-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

/* ---------- 右侧深度查询器 ---------- */
.page-products .dp-probe-aside {
  margin-top: 3rem;
}

.page-products .dp-probe-sticky {
  background: linear-gradient(160deg, var(--ink), #0a2138);
  color: var(--cream);
  border-radius: 6px;
  padding: 1.4rem;
  border: 1px solid rgba(240, 50, 140, .35);
  box-shadow: 0 18px 40px rgba(8, 28, 52, .28);
}

.page-products .dp-probe-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-products .dp-probe-head .status-dot {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.page-products .dp-probe-readout {
  margin: 1.2rem 0;
  padding: 1rem 0;
  border-top: 1px dashed rgba(184, 196, 201, .25);
  border-bottom: 1px dashed rgba(184, 196, 201, .25);
}

.page-products .dp-probe-readout span {
  display: block;
  font-size: .64rem;
  letter-spacing: .2em;
  color: var(--silver);
  margin-bottom: .3rem;
}

.page-products .dp-probe-readout strong {
  font-family: var(--data);
  font-size: 2rem;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-products .dp-probe-meta {
  font-size: .76rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .dp-probe-meta ul {
  list-style: none;
  margin: 1rem 0;
  display: grid;
  gap: .5rem;
  font-size: .78rem;
  padding: 0;
}

.page-products .dp-probe-meta a {
  color: var(--cyan);
  text-decoration: none;
  transition: color .3s var(--ease), padding-left .3s var(--ease);
}

.page-products .dp-probe-meta a:hover {
  color: var(--gold);
  padding-left: .3rem;
}

.page-products .dp-probe-sticky .btn {
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
  color: var(--gold);
  border-color: rgba(245, 184, 65, .4);
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 760px) {
  .page-products .dp-hero-inner.container {
    padding: 0 2rem;
  }

  .page-products .dp-channel-grid,
  .page-products .dp-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .dp-browser-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .dp-guest-card {
    grid-template-columns: 240px 1fr;
    align-items: center;
  }

  .page-products .dp-guest-body h3 {
    margin-top: 0;
  }
}

@media (min-width: 920px) {
  .page-products .dp-hero-inner.container {
    grid-template-columns: 5fr 6fr;
    grid-template-areas: "visual copy";
    align-items: center;
    gap: 3rem;
  }

  .page-products .dp-hero-copy {
    grid-area: copy;
  }

  .page-products .dp-hero-visual {
    grid-area: visual;
  }

  .page-products .dp-activate-wrap {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-products .dp-version-wrap {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .dp-shell.container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .dp-major {
    grid-template-columns: 1fr;
    gap: 5.5rem;
  }

  .page-products .dp-probe-aside {
    position: sticky;
    top: 5.5rem;
    margin-top: .5rem;
  }

  .page-products .dp-activate-fix {
    display: none;
  }

  .page-products .dp-browser-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .dp-hero {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4rem), 0 100%);
  }
}

@media (min-width: 1280px) {
  .page-products .dp-hero-inner.container,
  .page-products .dp-shell.container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}