/* ===== 体验中心 / 页面专属样式 ===== */
.page-products {
  --p-band: clamp(52px, 8vw, 104px);
  --p-shade: rgba(244, 239, 228, 0.76);
  background: var(--paper);
  color: var(--brown);
  overflow-x: hidden;
}

.page-products .vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 通用区块 ---------- */
.page-products .sec {
  padding: var(--p-band) 0;
}

.page-products .sec--paper { background: var(--paper); }
.page-products .sec--paper2 { background: var(--paper-2); }
.page-products .sec--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-products .sec__head {
  max-width: 52em;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-products .sec__head h2 {
  font-size: var(--t2);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 900;
  margin: 10px 0 0;
}

.page-products .sec__lead {
  margin: 16px 0 0;
  font-size: var(--t5);
  line-height: 1.75;
  max-width: 36em;
}

.page-products .sec--ink .sec__lead { color: var(--p-shade); }
.page-products .sec--ink .eyebrow,
.page-products .intro .eyebrow { color: var(--gold); }

/* ---------- 图片容器 ---------- */
.page-products .shot {
  margin: 0;
  border: 2px solid var(--brown);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-products .sec--ink .shot { box-shadow: 6px 6px 0 var(--gold); }

/* ---------- 首屏 ---------- */
.page-products .intro {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4vw, 44px) 0 clamp(48px, 7vw, 88px);
  border-bottom: 3px solid var(--gold);
}

.page-products .intro .crumbs,
.page-products .intro .crumbs a { color: rgba(244, 239, 228, 0.72); }
.page-products .intro .crumbs a:hover { color: var(--gold); }
.page-products .intro .crumbs [aria-current="page"] { color: var(--paper); }

.page-products .intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
  margin-top: clamp(24px, 3vw, 40px);
}

.page-products .intro__title {
  font-size: var(--t1);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  margin: 12px 0 0;
}

.page-products .intro__sub {
  margin: 20px 0 0;
  max-width: 30em;
  font-size: var(--t5);
  line-height: 1.75;
  color: var(--p-shade);
}

.page-products .factlist {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 2px solid rgba(244, 239, 228, 0.24);
  display: grid;
  gap: 16px;
}

.page-products .factlist li {
  display: grid;
  grid-template-columns: minmax(5ch, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
}

.page-products .factlist__k {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t5);
  font-weight: 700;
  color: var(--gold);
}

.page-products .factlist__v {
  font-size: var(--t7);
  line-height: 1.65;
  color: var(--p-shade);
}

/* ---------- 单轮视图 ---------- */
.page-products .viewer {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .viewer__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .viewer__railtitle { display: none; }

.page-products .tick {
  display: grid;
  place-items: center;
  min-height: 52px;
  min-width: 62px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t4);
  font-weight: 700;
  color: var(--brown);
  background: var(--paper);
  border: 2px solid var(--brown);
  box-shadow: 3px 3px 0 var(--paper-2);
  cursor: pointer;
  user-select: none;
  transition: transform 0.16s linear, box-shadow 0.16s linear,
    background 0.16s linear, color 0.16s linear;
}

.page-products .tick:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--gold);
}

.page-products #rv-10:checked ~ .viewer__rail .tick[for="rv-10"],
.page-products #rv-11:checked ~ .viewer__rail .tick[for="rv-11"],
.page-products #rv-12:checked ~ .viewer__rail .tick[for="rv-12"] {
  background: var(--ink);
  color: var(--gold);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--cyan);
}

.page-products .viewer__stage { display: block; }
.page-products .viewer__shot { margin-bottom: clamp(20px, 3vw, 30px); }

.page-products .panel { display: none; }

.page-products #rv-10:checked ~ .viewer__stage .panel--10,
.page-products #rv-11:checked ~ .viewer__stage .panel--11,
.page-products #rv-12:checked ~ .viewer__stage .panel--12 { display: block; }

.page-products .panel__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-products .panel__meta .num {
  color: var(--orange);
  font-weight: 700;
}

.page-products .panel h3 {
  font-size: var(--t4);
  line-height: 1.3;
  margin: 0 0 10px;
}

.page-products .panel p {
  margin: 0 0 16px;
  line-height: 1.75;
  max-width: 36em;
}

.page-products .dotlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .dotlist li {
  position: relative;
  padding-left: 20px;
  font-size: var(--t6);
  line-height: 1.7;
}

.page-products .dotlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border: 1px solid var(--brown);
}

/* ---------- 集锦回看 ---------- */
.page-products .replay {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

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

.page-products .steps > li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(244, 239, 228, 0.22);
}

.page-products .steps > li:last-child {
  border-bottom: 1px solid rgba(244, 239, 228, 0.22);
}

.page-products .steps__idx {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t5);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.35;
}

.page-products .steps h3 {
  font-size: var(--t5);
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .steps p {
  margin: 0;
  color: var(--p-shade);
  line-height: 1.75;
  max-width: 34em;
}

.page-products .replay__facts {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 2px solid rgba(227, 179, 65, 0.55);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t7);
  letter-spacing: 0.02em;
  color: var(--p-shade);
}

/* ---------- 数据看板 ---------- */
.page-products .boardswitch,
.page-products .downloads { position: relative; }

.page-products .boardswitch__bar,
.page-products .filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .boardswitch__bar label,
.page-products .filterbar label {
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.1em;
  padding: 9px 16px;
  border: 2px solid var(--brown);
  background: var(--paper);
  color: var(--brown);
  cursor: pointer;
  user-select: none;
  transition: transform 0.16s linear, box-shadow 0.16s linear,
    background 0.16s linear, color 0.16s linear;
}

.page-products .boardswitch__bar label:hover,
.page-products .filterbar label:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--gold);
}

.page-products #bv-pts:checked ~ .boardswitch__bar label[for="bv-pts"],
.page-products #bv-wl:checked ~ .boardswitch__bar label[for="bv-wl"],
.page-products #bv-rnd:checked ~ .boardswitch__bar label[for="bv-rnd"],
.page-products #ft-all:checked ~ .filterbar label[for="ft-all"],
.page-products #ft-csv:checked ~ .filterbar label[for="ft-csv"],
.page-products #ft-xlsx:checked ~ .filterbar label[for="ft-xlsx"],
.page-products #ft-pdf:checked ~ .filterbar label[for="ft-pdf"] {
  background: var(--ink);
  color: var(--gold);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--orange);
}

.page-products #bv-pts:checked ~ .board .col-win,
.page-products #bv-pts:checked ~ .board .col-lose,
.page-products #bv-pts:checked ~ .board .col-diff,
.page-products #bv-pts:checked ~ .board .col-recent,
.page-products #bv-wl:checked ~ .board .col-pts,
.page-products #bv-wl:checked ~ .board .col-recent,
.page-products #bv-rnd:checked ~ .board .col-pts,
.page-products #bv-rnd:checked ~ .board .col-win,
.page-products #bv-rnd:checked ~ .board .col-lose,
.page-products #bv-rnd:checked ~ .board .col-diff { display: none; }

.page-products .board {
  overflow-x: auto;
  border: 2px solid var(--brown);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
  -webkit-overflow-scrolling: touch;
}

.page-products .board table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.page-products .board th,
.page-products .board td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(36, 30, 26, 0.14);
  font-size: var(--t7);
  white-space: nowrap;
}

.page-products .board th {
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}

.page-products .board th.col-pts { color: var(--gold); }

.page-products .board td.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-products .board tbody tr:nth-child(even) { background: var(--paper-2); }
.page-products .board tbody tr:last-child td { border-bottom: 0; }

.page-products .colnotes {
  margin: clamp(26px, 4vw, 40px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .colnotes > div {
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}

.page-products .colnotes dt {
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.1em;
  color: var(--graphite);
  margin-bottom: 4px;
}

.page-products .colnotes dd {
  margin: 0;
  font-size: var(--t6);
  line-height: 1.7;
}

.page-products .board__shot { margin-top: clamp(26px, 4vw, 40px); }

/* ---------- 资料下载 ---------- */
.page-products .files {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products #ft-csv:checked ~ .files .file:not([data-kind="csv"]),
.page-products #ft-xlsx:checked ~ .files .file:not([data-kind="xlsx"]),
.page-products #ft-pdf:checked ~ .files .file:not([data-kind="pdf"]) { display: none; }

.page-products .file {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--paper);
  border: 2px solid var(--brown);
  box-shadow: 5px 5px 0 var(--gold);
}

.page-products .file__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-products .file__kind {
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.14em;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--gold);
}

.page-products .file__size {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t8);
  color: var(--graphite);
}

.page-products .file h3 {
  font-size: var(--t5);
  margin: 0;
}

.page-products .file p {
  margin: 0;
  font-size: var(--t7);
  line-height: 1.72;
}

.page-products .files__note {
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding-top: 16px;
  border-top: 2px solid rgba(36, 30, 26, 0.2);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t7);
  line-height: 1.85;
  color: var(--graphite);
}

.page-products #download .shot { margin-top: clamp(28px, 4vw, 44px); }

/* ---------- 版本演进 ---------- */
.page-products .versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .phases {
  list-style: none;
  margin: 0;
  padding: 0 0 0 6px;
}

.page-products .phases > li {
  position: relative;
  padding: 0 0 32px 30px;
  border-left: 2px solid rgba(244, 239, 228, 0.26);
}

.page-products .phases > li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-products .phases > li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--gold);
  border: 2px solid var(--ink-deep);
}

.page-products .phases__tag {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .phases h3 {
  font-size: var(--t5);
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .phases p {
  margin: 0;
  color: var(--p-shade);
  line-height: 1.75;
  max-width: 34em;
}

/* ---------- 上手路径 ---------- */
.page-products .paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .path {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 26px;
  background: var(--paper);
  border: 2px solid var(--brown);
}

.page-products .path:nth-child(1) { box-shadow: 6px 6px 0 var(--ink); }
.page-products .path:nth-child(2) { box-shadow: 6px 6px 0 var(--orange); }
.page-products .path:nth-child(3) { box-shadow: 6px 6px 0 var(--cyan); }

.page-products .path__idx {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t3);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-products .path h3 {
  font-size: var(--t4);
  line-height: 1.3;
  margin: 0;
}

.page-products .path__fit {
  margin: 0;
  font-size: var(--t7);
  line-height: 1.65;
  color: var(--graphite);
}

.page-products .path ol {
  list-style: none;
  counter-reset: pstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .path ol li {
  counter-increment: pstep;
  position: relative;
  padding-left: 28px;
  font-size: var(--t7);
  line-height: 1.7;
}

.page-products .path ol li::before {
  content: counter(pstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: var(--t8);
  padding: 1px 4px;
  background: var(--ink);
  color: var(--gold);
}

/* ---------- 收口 ---------- */
.page-products .outro {
  background: var(--ink-deep);
  color: var(--paper);
}

.page-products .outro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-products .outro h2 {
  font-size: var(--t3);
  line-height: 1.2;
  margin: 0 0 14px;
}

.page-products .outro p {
  margin: 0 0 22px;
  max-width: 34em;
  line-height: 1.8;
  color: var(--p-shade);
}

.page-products .outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-products .outro__meta {
  padding-top: 22px;
  border-top: 2px solid rgba(227, 179, 65, 0.5);
  display: grid;
  gap: 6px;
}

.page-products .outro__meta-k {
  margin: 0;
  font-family: var(--mono);
  font-size: var(--t8);
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .outro__meta-v {
  margin: 0 0 14px;
  font-size: var(--t7);
  line-height: 1.8;
  color: var(--p-shade);
}

.page-products .outro__meta-v .num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .files { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .colnotes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 34px; }
}

@media (min-width: 860px) {
  .page-products .paths { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .outro__grid { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); }
}

@media (min-width: 900px) {
  .page-products .intro__grid { grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); }

  .page-products .viewer {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .page-products .viewer__rail {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-products .viewer__railtitle {
    display: block;
    margin: 0 0 10px;
  }

  .page-products .replay {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .versions {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tick,
  .page-products .boardswitch__bar label,
  .page-products .filterbar label {
    transition: none;
  }
}