/* =========================================================
   B体育赛场 · 资料与工具页（page-products）
   ========================================================= */

.page-products {
  --line: rgba(201, 196, 232, .22);
  --line-strong: rgba(201, 196, 232, .44);
  --panel-dark: #0f1f42;
  --panel-deep: #0a1730;
  --accent-soft: rgba(255, 106, 43, .16);
}

.page-products .shell {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-products .tool-hero-wrap {
  position: relative;
  overflow: hidden;
  padding-top: clamp(22px, 4vw, 42px);
  padding-bottom: clamp(46px, 7vw, 90px);
  background:
    radial-gradient(115% 85% at 84% 6%, rgba(255, 106, 43, .18), transparent 60%),
    radial-gradient(90% 70% at 4% 94%, rgba(43, 224, 138, .10), transparent 58%),
    var(--arena);
}

.page-products .tool-hero-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 179, 71, .55), transparent);
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 10px;
  margin: 0 0 26px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--haze);
}

.page-products .breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 10px;
  color: rgba(201, 196, 232, .5);
}

.page-products .tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-products .hero-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sunset);
}

.page-products .tool-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(31px, 5.6vw, 56px);
  line-height: 1.09;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-products .tool-hero .lede {
  margin: 0 0 30px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(245, 239, 230, .84);
}

.page-products .tool-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .tool-hero-map {
  padding: 16px 16px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, #14264f 0%, #0b1a38 100%);
  box-shadow: var(--shadow-deep);
}

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

.page-products .tree-map .tree-link {
  stroke: var(--gold);
  opacity: .55;
}

.page-products .tree-map .tree-root {
  fill: var(--sunset);
}

.page-products .tree-map .tree-root-text {
  fill: var(--arena);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  text-anchor: middle;
}

.page-products .tree-map .tree-node {
  fill: var(--arena);
  stroke: var(--sunset);
  stroke-width: 2;
}

.page-products .tree-map .tree-node--signal {
  stroke: var(--signal);
}

.page-products .tree-map .tree-num {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  text-anchor: middle;
}

.page-products .tree-map .tree-cap {
  fill: var(--haze);
  font-family: var(--font-sans);
  font-size: 13px;
  text-anchor: middle;
}

@media (min-width: 960px) {
  .page-products .tool-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 52px;
    align-items: center;
  }

  .page-products .tool-hero-map {
    transform: translateY(10px);
  }
}

/* ---------- 主体舞台与侧栏 ---------- */

.page-products .tool-stage {
  background: var(--arena);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-products .tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: clamp(34px, 6vw, 68px);
  min-width: 0;
}

.page-products .tool-body {
  min-width: 0;
}

.page-products .tool-rail {
  position: relative;
}

.page-products .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sunset);
}

.page-products .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .rail-link {
  display: block;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--haze);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .12s ease, color .12s ease, background .12s ease;
}

.page-products .rail-link:hover {
  border-color: var(--sunset);
  color: var(--paper);
  background: rgba(255, 106, 43, .1);
}

.page-products .rail-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (min-width: 1040px) {
  .page-products .tool-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-products .tool-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-products .rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .rail-link {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 9px 0 9px 16px;
  }

  .page-products .rail-link:hover {
    background: rgba(255, 106, 43, .08);
  }
}

/* ---------- 区块基调 ---------- */

.page-products .tool-block {
  padding: clamp(26px, 4vw, 46px) clamp(18px, 3.2vw, 42px);
  border-radius: var(--radius);
  margin-bottom: clamp(22px, 4vw, 38px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .tool-block:last-child {
  margin-bottom: 0;
}

.page-products .tool-block--dark {
  background: transparent;
  border: 1px solid var(--line);
}

.page-products .tool-block--indigo {
  background: linear-gradient(162deg, #1e1b4b 0%, #171440 100%);
  border: 1px solid rgba(201, 196, 232, .18);
}

.page-products .tool-block--teal {
  background: linear-gradient(162deg, #0a3b36 0%, #062a26 100%);
  border: 1px solid rgba(43, 224, 138, .18);
}

.page-products .tool-block--sand {
  background: var(--sand);
  color: var(--ink);
  border: 1px solid rgba(10, 12, 18, .1);
}

/* ---------- 章节标题与正文 ---------- */

.page-products .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .chapter-title {
  margin: 0;
  font-size: clamp(23px, 3.3vw, 33px);
  line-height: 1.24;
  letter-spacing: -.015em;
  font-weight: 800;
}

.page-products .tool-block--sand .chapter-title {
  color: var(--ink);
}

.page-products .block-lede {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 239, 230, .78);
}

.page-products .tool-block--sand .block-lede {
  color: rgba(10, 12, 18, .74);
}

.page-products .prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 239, 230, .84);
}

.page-products .prose p:last-child {
  margin-bottom: 0;
}

.page-products .tool-block--sand .prose p {
  color: rgba(10, 12, 18, .78);
}

.page-products .sub-title {
  margin: 32px 0 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 总览 ---------- */

.page-products .overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .media-frame {
  overflow: hidden;
  border-radius: var(--radius-sm);
}

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

.page-products .media-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-products .tool-block--sand .media-note {
  color: rgba(10, 12, 18, .6);
}

.page-products .overview-figure,
.page-products .lineup-figure,
.page-products .device-figure,
.page-products .block-figure {
  margin: 0;
}

.page-products .block-figure {
  margin-top: 28px;
}

.page-products .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.page-products .stat-strip .stat {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
}

.page-products .field-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .field-list li {
  padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--sunset);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 255, 255, .04);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 239, 230, .8);
}

.page-products .field-list li strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-products .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .field-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .overview-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 36px;
    align-items: start;
  }
}

/* ---------- 检索 ---------- */

.page-products .filter-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .filter-card {
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel-dark);
  transition: border-color .12s ease, box-shadow .12s ease;
}

.page-products .filter-card:focus-within {
  border-color: var(--sunset);
  box-shadow: 0 0 0 1px rgba(255, 106, 43, .35);
}

.page-products .filter-name {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.page-products .filter-opt {
  position: relative;
  display: inline-flex;
  cursor: pointer;
}

.page-products .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .filter-chip {
  display: inline-block;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  font-size: 14px;
  color: var(--haze);
  transition: border-color .12s ease, color .12s ease, background .12s ease;
}

.page-products .filter-input:checked + .filter-chip {
  border-color: var(--sunset);
  color: var(--paper);
  background: rgba(255, 106, 43, .2);
}

.page-products .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .filter-hint {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(201, 196, 232, .82);
}

.page-products .combo-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .combo {
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  transition: border-color .12s ease;
}

.page-products .combo:hover {
  border-color: var(--line-strong);
}

.page-products .combo-num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--sunset);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-products .combo-in {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .combo-use {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(201, 196, 232, .82);
}

@media (min-width: 760px) {
  .page-products .filter-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .combo-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 赛季归档 ---------- */

.page-products .season-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .season {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(11, 23, 51, .55);
  transition: border-color .12s ease;
}

.page-products .season:hover {
  border-color: var(--line-strong);
}

.page-products .season[open] {
  border-color: var(--sunset);
}

.page-products .season > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .season > summary::marker {
  content: "";
}

.page-products .season > summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--sunset);
}

.page-products .season[open] > summary::before {
  content: "−";
}

.page-products .season-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .season-count {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
}

.page-products .season-body {
  padding: 0 18px 18px 48px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(201, 196, 232, .84);
}

.page-products .season-body p {
  margin: 0;
}

@media (max-width: 560px) {
  .page-products .season-body {
    padding-left: 18px;
  }
}

/* ---------- 赛前阵容 ---------- */

.page-products .lineup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .lineup-copy p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(10, 12, 18, .78);
}

.page-products .scene-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .scene-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(10, 12, 18, .78);
}

.page-products .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--sunset);
}

@media (min-width: 860px) {
  .page-products .lineup-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 36px;
    align-items: start;
  }
}

/* ---------- 收藏与订阅 ---------- */

.page-products .tier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .tier {
  padding: 22px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(10, 12, 18, .12);
  background: rgba(255, 255, 255, .62);
  transition: border-color .12s ease, box-shadow .12s ease;
}

.page-products .tier:hover {
  border-color: var(--sunset);
  box-shadow: 0 18px 36px -30px rgba(10, 12, 18, .85);
}

.page-products .tier-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 106, 43, .16);
  color: #a83a0b;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-products .tier-name {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .tier-desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(10, 12, 18, .76);
}

.page-products .tier-fit {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(10, 12, 18, .18);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(10, 12, 18, .62);
}

.page-products .subscribe-note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(10, 12, 18, .74);
}

.page-products .inline-link {
  color: #b2380a;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .12s ease;
}

.page-products .inline-link:hover {
  color: var(--wine);
}

.page-products .inline-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

@media (min-width: 800px) {
  .page-products .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 更新节奏 ---------- */

.page-products .beat-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid rgba(255, 179, 71, .4);
}

.page-products .beat {
  position: relative;
  padding: 0 0 24px 26px;
}

.page-products .beat:last-child {
  padding-bottom: 0;
}

.page-products .beat::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(43, 224, 138, .16);
  animation: beat-pulse 3.2s ease-in-out infinite;
}

.page-products .beat:nth-child(2)::before {
  animation-delay: .8s;
}

.page-products .beat:nth-child(3)::before {
  animation-delay: 1.6s;
}

.page-products .beat:nth-child(4)::before {
  animation-delay: 2.4s;
}

@keyframes beat-pulse {
  0%, 100% {
    box-shadow: 0 0 0 4px rgba(43, 224, 138, .16);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(43, 224, 138, .04);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .beat::before {
    animation: none;
  }
}

.page-products .beat-mark {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-products .beat-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 239, 230, .82);
}

@media (min-width: 780px) {
  .page-products .beat-list {
    border-left: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    border-top: 2px solid rgba(255, 179, 71, .4);
    padding-top: 26px;
  }

  .page-products .beat {
    padding: 0;
  }

  .page-products .beat::before {
    left: 0;
    top: -33px;
  }
}

/* ---------- 多端与性能 ---------- */

.page-products .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .device-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(10, 12, 18, .78);
}

.page-products .device-copy p:last-child {
  margin-bottom: 0;
}

@media (min-width: 820px) {
  .page-products .device-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 34px;
    align-items: center;
  }
}

/* ---------- 出口区块 ---------- */

.page-products .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-products .next-card {
  display: block;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color .12s ease, background .12s ease;
}

.page-products .next-card:hover {
  border-color: var(--sunset);
  background: rgba(255, 106, 43, .09);
}

.page-products .next-card:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .next-name {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .next-desc {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(201, 196, 232, .8);
}

@media (min-width: 780px) {
  .page-products .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 420px) {
  .page-products .tool-block {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-products .season > summary {
    gap: 4px 10px;
    padding: 14px 14px;
  }

  .page-products .season-body {
    padding: 0 14px 16px 14px;
  }
}
<<<END>>>