/* ===== 功能中心 /features/ 页面专属样式 ===== */
.page-products {
  --live: var(--arena-orange);
  --data: var(--signal-green);
  --replay: var(--score-gold);
  --docs: var(--ember-orange-soft);
  --accent: var(--arena-orange);
  overflow-x: hidden;
}

.page-products > .wrap:first-child {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏拼贴 ---------- */
.page-products .catalog-hero {
  position: relative;
  padding: clamp(36px, 6vw, 70px) 0 clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-products .catalog-hero::before {
  content: "";
  position: absolute;
  top: -190px;
  right: -150px;
  width: min(640px, 92vw);
  height: min(640px, 92vw);
  background: radial-gradient(circle at 50% 50%, rgba(255, 107, 44, 0.20), transparent 66%);
  pointer-events: none;
}

.page-products .catalog-hero::after {
  content: "";
  position: absolute;
  bottom: -220px;
  left: -180px;
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  background: radial-gradient(circle at 50% 50%, rgba(61, 220, 151, 0.12), transparent 68%);
  pointer-events: none;
}

.page-products .catalog-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .catalog-hero__lead h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--ice-text);
}

.page-products .catalog-hero__lead p {
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--mist-text);
}

.page-products .catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .feature-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .feature-legend li {
  padding: 13px 4px 13px 16px;
  border-left: 3px solid var(--accent);
  border-bottom: 1px solid var(--border-navy);
}

.page-products .feature-legend li:nth-child(1) { --accent: var(--live); }
.page-products .feature-legend li:nth-child(2) { --accent: var(--data); }
.page-products .feature-legend li:nth-child(3) { --accent: var(--replay); }
.page-products .feature-legend li:nth-child(4) { --accent: var(--docs); }

.page-products .feature-legend__name {
  display: block;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ice-text);
}

.page-products .feature-legend__desc {
  display: block;
  margin-top: 3px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist-text);
}

/* ---------- 版块标题 ---------- */
.page-products .section-head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.006em;
  color: var(--ice-text);
}

.page-products .section-head p {
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-text);
}

/* ---------- 分段标签 ---------- */
.page-products .rights-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 10px;
  margin: 0 0 clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--border-navy);
  scrollbar-width: none;
}

.page-products .rights-tabs::-webkit-scrollbar {
  height: 0;
}

.page-products .tab {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 9px 18px 12px;
  border: 1px solid var(--border-navy);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--mist-text);
  font-family: var(--font-body);
  font-size: 14.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .rights-tabs .tab:nth-child(1) { --accent: var(--live); }
.page-products .rights-tabs .tab:nth-child(2) { --accent: var(--data); }
.page-products .rights-tabs .tab:nth-child(3) { --accent: var(--replay); }
.page-products .rights-tabs .tab:nth-child(4) { --accent: var(--docs); }

.page-products .tab .num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
  opacity: 0.8;
}

.page-products .tab::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.page-products .tab:hover {
  color: var(--ice-text);
  border-color: var(--accent);
}

.page-products .tab[aria-selected="true"] {
  color: var(--ice-text);
  background: var(--dugout-navy);
  border-color: var(--accent);
}

.page-products .tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

.page-products .tab:focus-visible {
  outline: 2px solid var(--arena-orange);
  outline-offset: 2px;
}

/* ---------- 面板 ---------- */
.page-products .tabpanel {
  display: block;
}

.page-products .tabpanel[hidden] {
  display: none;
}

.page-products .tabpanel:focus-visible {
  outline: 2px solid var(--arena-orange);
  outline-offset: 8px;
  border-radius: var(--r-md);
}

.page-products #panel-live { --accent: var(--live); }
.page-products #panel-data { --accent: var(--data); }
.page-products #panel-replay { --accent: var(--replay); }
.page-products #panel-docs { --accent: var(--docs); }

/* ---------- 功能栏左右结构 ---------- */
.page-products .feature-split {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .feature-split__copy h3 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.004em;
  color: var(--ice-text);
}

.page-products .feature-split__intro {
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist-text);
}

.page-products .feature-split__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-text);
}

/* ---------- 功能列表 ---------- */
.page-products .feature-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
}

.page-products .feature-list__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 15px 2px;
  border-bottom: 1px solid var(--border-navy);
}

.page-products .feature-list__item:last-child {
  border-bottom: 0;
}

.page-products .feature-list__item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.page-products .feature-list__item::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-products .feature-list__item:hover::after,
.page-products .feature-list__item:focus-within::after {
  opacity: 1;
  transform: rotate(45deg) translate(2px, -2px);
}

.page-products .feature-list__body {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-text);
}

.page-products .feature-list__body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ice-text);
}

/* ---------- 资料卡片 ---------- */
.page-products .doc-grid {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .doc-card {
  position: relative;
  padding: 18px 20px 18px 26px;
  border: 1px solid var(--border-navy);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(20, 28, 54, 0.96), rgba(20, 28, 54, 0.62));
  transition: border-color 0.2s ease;
}

.page-products .doc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.page-products .doc-card:hover {
  border-color: var(--accent);
}

.page-products .doc-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-products .doc-card__kind {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ice-text);
}

.page-products .doc-card__tag {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border: 1px solid var(--border-navy);
  border-radius: var(--r-pill);
  color: var(--accent);
}

.page-products .doc-card__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-text);
}

/* ---------- 界面示意图 ---------- */
.page-products .product-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--border-navy);
  border-radius: var(--r-lg);
  background: var(--dugout-navy);
  overflow: hidden;
  box-shadow: 0 30px 70px -46px rgba(0, 0, 0, 0.95);
}

.page-products .product-shot::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(148deg, rgba(255, 107, 44, 0.10), transparent 46%);
}

.page-products .product-shot::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 52%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 18, 38, 0), rgba(11, 18, 38, 0.94));
}

.page-products .product-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .product-shot__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 14px 18px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ice-text);
}

/* ---------- 账号与权限 ---------- */
.page-products .account-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .tier-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .tier {
  padding: 18px 20px;
  border: 1px solid var(--border-navy);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(20, 28, 54, 0.95), rgba(20, 28, 54, 0.58));
}

.page-products .tier__name {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ember-orange-soft);
}

.page-products .tier__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--mist-text);
}

.page-products .sync-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .sync-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-text);
}

.page-products .sync-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-green);
}

/* ---------- 结尾引导 ---------- */
.page-products .cta-band {
  display: grid;
  gap: 24px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--border-navy);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 107, 44, 0.22), transparent 56%),
    var(--dugout-navy);
}

.page-products .cta-band h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.16;
  color: var(--ice-text);
}

.page-products .cta-band p {
  max-width: 42em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist-text);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .catalog-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .feature-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

  .page-products .cta-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .cta-band__actions {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .page-products .doc-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tab,
  .page-products .tab::after,
  .page-products .feature-list__item::after,
  .page-products .doc-card {
    transition: none;
  }
}
<<<END>>>