.page-products {
  --pr-rail: clamp(22px, 3vw, 34px);
  background: var(--tt-space);
  color: var(--tt-silver-2);
  overflow-x: hidden;
}

/* ---------- 通用排版件 ---------- */
.page-products .pr-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
  max-width: 900px;
}

.page-products .pr-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.8vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: inherit;
}

.page-products .pr-lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: inherit;
  opacity: 0.86;
}

.page-products .pr-body {
  margin: 0 0 1.1em;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.88;
  color: inherit;
  opacity: 0.88;
}

.page-products .pr-body:last-of-type {
  margin-bottom: 1.4em;
}

.page-products .pr-sub {
  margin: 0 0 14px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: inherit;
}

.page-products .pr-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: inherit;
  opacity: 0.62;
}

.page-products .pr-note a {
  color: var(--tt-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.45);
}

.page-products .pr-note a:hover {
  border-bottom-color: var(--tt-orange);
}

.page-products .pr-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: inherit;
  opacity: 0.85;
}

.page-products .pr-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--tt-orange);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(34px, 6vw, 72px) 0 clamp(38px, 5vw, 64px);
  background: linear-gradient(162deg, #0b1524 0%, #0b1524 46%, #14171c 100%);
}

.page-products .pr-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-products .pr-hero__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(0.4) contrast(1.06);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    115deg,
    rgba(11, 21, 36, 0.95) 20%,
    rgba(11, 21, 36, 0.62) 58%,
    rgba(255, 90, 31, 0.09) 100%
  );
}

.page-products .pr-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  padding-bottom: clamp(30px, 5vw, 52px);
}

.page-products .pr-hero__title {
  margin: 0;
  max-width: 17ch;
  font-family: var(--tt-font-narrow);
  font-weight: 800;
  font-size: clamp(34px, 7.2vw, 78px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--tt-silver-2);
  text-wrap: balance;
}

.page-products .pr-hero__lede {
  max-width: 62ch;
  opacity: 1;
  color: rgba(233, 237, 242, 0.82);
}

.page-products .pr-signal {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--tt-line-strong);
  border-radius: var(--tt-radius);
  background: linear-gradient(
    115deg,
    rgba(198, 205, 214, 0.16),
    rgba(198, 205, 214, 0.03)
  );
  font-size: 14px;
  line-height: 1.5;
  color: var(--tt-silver-2);
}

.page-products .pr-signal__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tt-orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16), 0 0 12px rgba(255, 90, 31, 0.7);
}

.page-products .pr-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 28px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--tt-line);
}

.page-products .pr-stat {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-products .pr-stat__num {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.2vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--tt-silver);
}

.page-products .pr-stat__tag {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(198, 205, 214, 0.7);
}

/* ---------- 路径树 ---------- */
.page-products .pr-paths {
  background: var(--tt-carbon);
  color: var(--tt-silver-2);
}

.page-products .pr-tree {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
}

.page-products .pr-tree__root {
  margin: 0;
  position: relative;
}

.page-products .pr-tree__root::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: -18px;
  width: 1px;
  height: 18px;
  background: var(--tt-line-strong);
}

.page-products .pr-tree__root img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--tt-radius-soft);
  border: 1px solid var(--tt-line);
}

.page-products .pr-tree__root figcaption {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(198, 205, 214, 0.66);
}

.page-products .pr-tree__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--pr-rail);
  position: relative;
  display: grid;
}

.page-products .pr-tree__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--tt-line-strong);
}

.page-products .pr-node {
  position: relative;
  min-width: 0;
}

.page-products .pr-node details {
  border-bottom: 1px solid var(--tt-line);
}

.page-products .pr-node summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 2px 18px 0;
}

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

.page-products .pr-node summary:focus-visible {
  outline: 2px solid var(--tt-orange);
  outline-offset: 2px;
}

.page-products .pr-node__dot {
  position: absolute;
  left: calc(-1 * var(--pr-rail) - 5px);
  top: 27px;
  width: 11px;
  height: 11px;
  background: var(--tt-rock);
  border: 1px solid var(--tt-line-strong);
  transform: rotate(45deg);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .pr-node details[open] .pr-node__dot {
  background: var(--tt-orange);
  border-color: var(--tt-orange);
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.16);
}

.page-products .pr-node__no {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--tt-orange);
}

.page-products .pr-node__name {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  color: var(--tt-silver-2);
}

.page-products .pr-node__hint {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(198, 205, 214, 0.58);
}

.page-products .pr-node__body {
  display: grid;
  gap: 16px;
  padding: 0 0 24px;
  max-width: 62ch;
}

.page-products .pr-node__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.86;
  color: rgba(233, 237, 242, 0.8);
}

.page-products .pr-node__body .tt-btn {
  justify-self: start;
}

/* ---------- 赛程导航（米白） ---------- */
.page-products .pr-tracks {
  background: var(--tt-cream);
  color: var(--tt-carbon);
}

.page-products .pr-tracks .pr-lead {
  color: var(--tt-moss);
  opacity: 1;
}

.page-products .pr-genres {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pr-genre {
  padding: 7px 15px;
  border: 1px solid rgba(63, 90, 75, 0.32);
  border-radius: 999px;
  background: rgba(110, 139, 122, 0.1);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--tt-moss);
}

.page-products .pr-phases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}

.page-products .pr-phase {
  padding: clamp(20px, 2.6vw, 28px);
  border-top: 3px solid var(--tt-moss);
  border-radius: 2px 2px 14px 2px;
  background: rgba(63, 90, 75, 0.07);
}

.page-products .pr-phase__no {
  display: block;
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--tt-orange-deep);
  margin-bottom: 10px;
}

.page-products .pr-phase__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--tt-carbon);
}

.page-products .pr-phase__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tt-moss);
}

.page-products .pr-phase__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  border-top: 1px solid rgba(63, 90, 75, 0.22);
  padding-top: 12px;
}

.page-products .pr-phase__list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--tt-carbon);
  opacity: 0.82;
}

/* ---------- 专栏 ---------- */
.page-products .pr-column {
  background: var(--tt-space);
  color: var(--tt-silver-2);
}

.page-products .pr-column__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pr-column__aside {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pr-bignum {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(58px, 9vw, 118px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--tt-silver);
}

@supports not (-webkit-text-stroke: 1.5px #000) {
  .page-products .pr-bignum {
    color: var(--tt-silver);
  }
}

.page-products .pr-column__aside h2 {
  margin: 4px 0 0;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--tt-silver-2);
}

.page-products .pr-angle {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--tt-line);
}

.page-products .pr-angle__item {
  display: grid;
  gap: 4px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--tt-line);
}

.page-products .pr-angle__key {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--tt-sun);
}

.page-products .pr-angle__val {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 237, 242, 0.84);
}

/* ---------- 名单确认 ---------- */
.page-products .pr-lineup {
  background: var(--tt-rock);
  color: var(--tt-silver-2);
}

.page-products .pr-lineup__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pr-lineup__figure {
  margin: 0;
}

.page-products .pr-lineup__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--tt-radius-soft);
  border: 1px solid var(--tt-line);
}

.page-products .pr-lineup__body h2 {
  margin: 10px 0 16px;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--tt-silver-2);
}

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

.page-products .pr-check__item {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 237, 242, 0.86);
}

.page-products .pr-check__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.52em;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--tt-orange);
}

/* ---------- 提醒订阅 ---------- */
.page-products .pr-alerts {
  background: var(--tt-carbon);
  color: var(--tt-silver-2);
}

.page-products .pr-alerts__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .pr-timeline {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  padding-left: 30px;
}

.page-products .pr-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--tt-orange), rgba(198, 205, 214, 0.18));
}

.page-products .pr-timeline__stop {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-products .pr-timeline__stop::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 11px;
  height: 11px;
  transform: rotate(45deg);
  background: var(--tt-orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.14);
}

.page-products .pr-timeline__time {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--tt-silver);
}

.page-products .pr-timeline__note {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 237, 242, 0.76);
}

.page-products .pr-alerts__side {
  min-width: 0;
}

.page-products .pr-alerts__side .pr-sub {
  color: var(--tt-silver-2);
}

.page-products .pr-copyblock {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--tt-line);
  border-radius: var(--tt-radius);
  background: rgba(198, 205, 214, 0.05);
}

.page-products .pr-copyblock__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(198, 205, 214, 0.62);
}

/* ---------- 安卓端 ---------- */
.page-products .pr-app {
  background: var(--tt-cream);
  color: var(--tt-carbon);
}

.page-products .pr-app__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-products .pr-app__visual {
  max-width: 340px;
}

.page-products .pr-app__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--tt-radius-soft);
  border: 1px solid rgba(20, 23, 28, 0.12);
  background: var(--tt-space);
}

.page-products .pr-app__body h2 {
  margin: 6px 0 16px;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--tt-carbon);
}

.page-products .pr-app__body .pr-body {
  color: var(--tt-carbon);
  opacity: 0.84;
}

.page-products .pr-app__ver-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(20, 23, 28, 0.14);
  margin-bottom: 18px;
}

.page-products .pr-app__ver {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(70px, 13vw, 138px);
  font-weight: 700;
  line-height: 0.84;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 2px var(--tt-moss);
}

@supports not (-webkit-text-stroke: 2px #000) {
  .page-products .pr-app__ver {
    color: var(--tt-moss);
  }
}

.page-products .pr-app__ver-tag {
  max-width: 22ch;
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--tt-moss);
  padding-bottom: 6px;
}

.page-products .pr-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .pr-steps__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px dashed rgba(63, 90, 75, 0.32);
}

.page-products .pr-steps__no {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--tt-orange-deep);
  border-radius: 50%;
  font-family: var(--tt-font-num);
  font-size: 13px;
  color: var(--tt-orange-deep);
}

.page-products .pr-steps__text {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--tt-carbon);
}

.page-products .pr-app .pr-note {
  color: var(--tt-moss);
  opacity: 1;
}

/* ---------- 资料下载 ---------- */
.page-products .pr-archive {
  background: var(--tt-space);
  color: var(--tt-silver-2);
}

.page-products .pr-archive__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pr-archive__figure {
  margin: 0;
}

.page-products .pr-archive__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--tt-radius-soft);
  border: 1px solid var(--tt-line);
}

.page-products .pr-docs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--tt-line);
}

.page-products .pr-doc {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: clamp(18px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--tt-line);
}

.page-products .pr-doc__no {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--tt-orange);
  padding-top: 4px;
}

.page-products .pr-doc__txt h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  color: var(--tt-silver-2);
}

.page-products .pr-doc__txt p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 237, 242, 0.76);
}

.page-products .pr-doc__fmt {
  grid-column: 2;
  justify-self: start;
  padding: 5px 12px;
  border: 1px solid var(--tt-line-strong);
  border-radius: var(--tt-radius);
  font-family: var(--tt-font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--tt-silver);
}

/* ---------- 覆盖范围 ---------- */
.page-products .pr-coverage {
  background: var(--tt-carbon);
  color: var(--tt-silver-2);
}

.page-products .pr-coverage__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 30px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--tt-line);
}

.page-products .pr-fact {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-products .pr-fact__num {
  font-family: var(--tt-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--tt-sun);
}

.page-products .pr-fact__tag {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--tt-silver-2);
}

.page-products .pr-fact__sub {
  font-size: 13px;
  line-height: 1.66;
  color: rgba(198, 205, 214, 0.6);
}

.page-products .pr-coverage__foot {
  margin: clamp(28px, 4vw, 44px) 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 237, 242, 0.72);
}

.page-products .pr-coverage__foot a {
  color: var(--tt-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.45);
}

.page-products .pr-coverage__foot a:hover {
  border-bottom-color: var(--tt-orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pr-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-angle__item {
    grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
    align-items: baseline;
  }

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

  .page-products .pr-doc__fmt {
    grid-column: 3;
    justify-self: end;
  }
}

@media (min-width: 880px) {
  .page-products .pr-phases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 32px);
  }

  .page-products .pr-phase:nth-child(2) {
    margin-top: clamp(22px, 3vw, 42px);
  }

  .page-products .pr-phase:nth-child(3) {
    margin-top: clamp(8px, 1.4vw, 18px);
  }

  .page-products .pr-alerts__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-products .pr-app__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-products .pr-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pr-coverage__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pr-tree {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pr-tree__root::after {
    left: auto;
    right: -18px;
    bottom: auto;
    top: 60px;
    width: 18px;
    height: 1px;
  }

  .page-products .pr-column__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pr-lineup__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-node__dot,
  .page-products .pr-node summary {
    transition: none;
  }
}