.page-products {
  --ep-surface: rgba(22, 32, 58, .58);
  --ep-cyan-soft: rgba(53, 242, 224, .12);
  --ep-flame-soft: rgba(255, 106, 43, .14);
  --ep-violet-soft: rgba(138, 107, 255, .2);
  --ep-line: rgba(138, 155, 184, .18);
  background: var(--tbs-ink);
  color: var(--tbs-ice);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .ep-crumb {
  max-width: var(--tbs-shell);
  margin: 0 auto;
  padding: calc(var(--tbs-header-h) + 22px) var(--tbs-gutter) 0;
}

/* ---------- 首屏 ---------- */
.page-products .ep-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 64px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(53, 242, 224, .17), transparent 58%),
    radial-gradient(90% 90% at 96% 22%, rgba(255, 106, 43, .15), transparent 62%),
    var(--tbs-ink);
}

.page-products .ep-hero__aura {
  position: absolute;
  inset: auto -10% -60% -10%;
  height: 60%;
  background: radial-gradient(60% 100% at 50% 100%, rgba(138, 107, 255, .16), transparent 70%);
  pointer-events: none;
}

.page-products .ep-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(138, 155, 184, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 155, 184, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7), transparent 82%);
  pointer-events: none;
}

.page-products .ep-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .ep-hero .tbs-eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--tbs-cyan);
}

.page-products .ep-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--tbs-ice);
  text-wrap: balance;
}

.page-products .ep-hero__lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: var(--tbs-mist);
}

.page-products .ep-hero__meter {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 20px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ep-line);
  padding-top: clamp(22px, 3vw, 32px);
}

.page-products .ep-meter__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1;
  color: var(--tbs-cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .ep-meter__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--tbs-mist);
}

@media (min-width: 760px) {
  .page-products .ep-hero__meter {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 主布局 ---------- */
.page-products .ep-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-products .ep-rail {
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--ep-line);
}

.page-products .ep-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--tbs-mist);
}

.page-products .ep-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .ep-rail__list li {
  flex: 0 0 auto;
}

.page-products .ep-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--ep-line);
  border-radius: 999px;
  color: var(--tbs-mist);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--tbs-ease), border-color .18s var(--tbs-ease), background-color .18s var(--tbs-ease);
}

.page-products .ep-rail__list a:hover,
.page-products .ep-rail__list a:focus-visible {
  color: var(--tbs-ice);
  border-color: var(--tbs-cyan);
  background: rgba(53, 242, 224, .07);
}

.page-products .ep-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--tbs-cyan);
  letter-spacing: .06em;
}

@media (min-width: 1024px) {
  .page-products .ep-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 72px);
    align-items: start;
  }

  .page-products .ep-rail {
    position: sticky;
    top: calc(var(--tbs-header-h) + 28px);
    border-top: 0;
    padding-top: 0;
  }

  .page-products .ep-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .ep-rail__list li + li {
    margin-top: 2px;
  }

  .page-products .ep-rail__list a {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--ep-line);
    border-radius: 0;
    padding: 10px 12px;
  }

  .page-products .ep-rail__list a:hover,
  .page-products .ep-rail__list a:focus-visible {
    border-left-color: var(--tbs-cyan);
    background: linear-gradient(90deg, rgba(53, 242, 224, .09), transparent 78%);
  }
}

/* ---------- 章节骨架 ---------- */
.page-products .ep-sec {
  padding-block: clamp(44px, 6vw, 84px);
  border-top: 1px solid var(--ep-line);
}

.page-products .ep-stage > .ep-sec:first-child {
  border-top: 0;
  padding-top: clamp(26px, 3.5vw, 44px);
}

.page-products .ep-sec__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .ep-sec__head .tbs-section__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--tbs-cyan);
  opacity: .9;
}

.page-products .tbs-band {
  display: block;
  width: 76px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--tbs-cyan), var(--tbs-flame));
}

.page-products .ep-sec__title {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(23px, 3.3vw, 38px);
  line-height: 1.3;
  color: var(--tbs-ice);
  text-wrap: balance;
}

.page-products .ep-sec__lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 66ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.82;
  color: var(--tbs-mist);
}

.page-products .ep-sec--screen {
  background: linear-gradient(180deg, rgba(11, 17, 32, .85), rgba(5, 7, 14, 0));
  border-radius: 0;
}

/* ---------- 功能清单 ---------- */
.page-products .ep-feats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .ep-feats li {
  position: relative;
  padding: 15px 18px 15px 22px;
  border-left: 2px solid var(--ep-line);
  background: linear-gradient(90deg, rgba(53, 242, 224, .05), transparent 72%);
  color: var(--tbs-mist);
  font-size: 15px;
  line-height: 1.78;
  transition: border-color .2s var(--tbs-ease), background-color .2s var(--tbs-ease);
}

.page-products .ep-feats li:hover {
  border-left-color: var(--tbs-cyan);
}

.page-products .ep-feats li strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15.5px;
  color: var(--tbs-ice);
}

.page-products .ep-feats--wide {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 860px) {
  .page-products .ep-feats--wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px 14px;
  }
}

/* ---------- 图文混排 ---------- */
.page-products .ep-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
}

@media (min-width: 940px) {
  .page-products .ep-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-products .ep-figure {
  margin: clamp(26px, 3.6vw, 42px) 0 0;
}

.page-products .ep-split .ep-figure {
  margin-top: 0;
}

.page-products .ep-figure .tbs-figure__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--tbs-radius);
  background: var(--tbs-panel);
  object-fit: cover;
}

.page-products .ep-figure .tbs-figure__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--tbs-mist);
}

/* ---------- 大屏示意 ---------- */
.page-products .ep-screenwrap {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .ep-screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--tbs-radius);
}

.page-products .ep-screenwrap__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--tbs-mist);
}

/* ---------- 事件时间轴 ---------- */
.page-products .ep-events {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-products .ep-events::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--tbs-cyan), var(--tbs-violet), transparent);
  opacity: .55;
}

.page-products .ep-event {
  position: relative;
  padding: 12px 0 16px;
}

.page-products .ep-event__mark {
  position: absolute;
  left: -26px;
  top: 20px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--tbs-ink);
}

.page-products .ep-event__mark--goal { background: var(--tbs-cyan); }
.page-products .ep-event__mark--sub { background: var(--tbs-flame); }
.page-products .ep-event__mark--card { background: var(--tbs-alert); }
.page-products .ep-event__mark--var { background: var(--tbs-violet); }
.page-products .ep-event__mark--lineup { background: var(--tbs-mint); }

.page-products .ep-event__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--tbs-ice);
}

.page-products .ep-event__desc {
  display: block;
  margin-top: 6px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--tbs-mist);
}

/* ---------- 档位阶梯 ---------- */
.page-products .ep-tiers {
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .ep-tier {
  position: relative;
  padding: 20px 22px 20px 26px;
  border-radius: var(--tbs-radius);
  background: var(--ep-surface);
  border-left: 3px solid var(--ep-line);
  display: grid;
  gap: 8px;
  transition: transform .22s var(--tbs-ease), border-color .22s var(--tbs-ease);
}

.page-products .ep-tier:hover {
  transform: translateX(4px);
}

.page-products .ep-tier--l1 { border-left-color: var(--tbs-mist); }
.page-products .ep-tier--l2 { border-left-color: var(--tbs-cyan); }
.page-products .ep-tier--l3 { border-left-color: var(--tbs-flame); }

.page-products .ep-tier__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: .03em;
  color: var(--tbs-ice);
}

.page-products .ep-tier__desc {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--tbs-mist);
}

.page-products .ep-tier__tag {
  justify-self: start;
  padding: 4px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--tbs-cyan);
  background: var(--ep-cyan-soft);
}

.page-products .ep-tier--l3 .ep-tier__tag {
  color: var(--tbs-flame);
  background: var(--ep-flame-soft);
}

@media (min-width: 900px) {
  .page-products .ep-tier--l1 { margin-left: 0; }
  .page-products .ep-tier--l2 { margin-left: 5%; }
  .page-products .ep-tier--l3 { margin-left: 10%; }
}

/* ---------- 开通步骤 ---------- */
.page-products .ep-steps {
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 30px);
  border-radius: var(--tbs-radius);
  background: linear-gradient(140deg, rgba(53, 242, 224, .07), rgba(22, 32, 58, .5) 55%, rgba(255, 106, 43, .06));
}

.page-products .ep-steps__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 18px;
  color: var(--tbs-ice);
}

.page-products .ep-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .ep-steps__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tbs-mist);
}

.page-products .ep-steps__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--tbs-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--tbs-cyan);
}

/* ---------- 场景 ---------- */
.page-products .ep-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-products .ep-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-products .ep-scene {
  padding: clamp(20px, 2.6vw, 26px);
  border-radius: var(--tbs-radius);
  background: linear-gradient(160deg, rgba(22, 32, 58, .8), rgba(5, 7, 14, .35));
  border-top: 2px solid transparent;
  transition: border-color .22s var(--tbs-ease);
}

.page-products .ep-scene:hover {
  border-top-color: var(--tbs-cyan);
}

.page-products .ep-scene__title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  color: var(--tbs-ice);
}

.page-products .ep-scene__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--tbs-mist);
}

/* ---------- 页尾引导 ---------- */
.page-products .ep-next {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--ep-line);
}

.page-products .ep-next__text {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tbs-mist);
}

.page-products .ep-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ep-tier:hover { transform: none; }
  .page-products .ep-tier,
  .page-products .ep-scene,
  .page-products .ep-feats li,
  .page-products .ep-rail__list a {
    transition: none;
  }
}