.page-products {
  --prod-rail: 208px;
  --prod-line: rgba(167, 159, 201, .26);
  position: relative;
  padding: 16px 0 76px;
  color: var(--stardust);
  background: var(--grad-dark);
  overflow-x: hidden;
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(123, 63, 242, .16) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 72%);
  mask-image: linear-gradient(180deg, #000, transparent 72%);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  margin-top: 20px;
  padding: 28px 20px 26px;
  border: var(--border-print);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 100% at 100% 0, rgba(123, 63, 242, .38), transparent 60%),
    radial-gradient(100% 80% at 0 100%, rgba(47, 182, 255, .16), transparent 62%),
    rgba(11, 10, 31, .88);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-brand);
}

.page-products .prod-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--green);
}

.page-products .prod-hero h1 {
  margin: 0;
  color: var(--stardust);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-products .prod-hero h1 {
    background: linear-gradient(96deg, var(--stardust) 34%, var(--blue) 76%, var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-products .prod-hero__lead {
  margin: 18px 0 0;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 243, 255, .84);
}

.page-products .prod-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-hero__facts li {
  padding: 12px 12px 10px;
  border: 1px dashed rgba(255, 209, 102, .42);
  border-radius: var(--radius-sm);
  background: rgba(11, 10, 31, .6);
}

.page-products .prod-hero__facts b {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
  letter-spacing: -.02em;
}

.page-products .prod-hero__facts span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 图例 + 内容流 ---------- */
.page-products .prod-layout {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-products .prod-legend {
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(16, 36, 58, .62);
  padding: 16px 16px 14px;
}

.page-products .prod-legend__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--amber);
}

.page-products .prod-legend__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .prod-legend__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: var(--border-print);
  border-radius: 999px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-products .prod-legend__code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

.page-products .prod-legend__link:hover,
.page-products .prod-legend__link:focus-visible {
  color: var(--stardust);
  border-color: rgba(77, 255, 166, .55);
  background: linear-gradient(90deg, rgba(123, 63, 242, .34), rgba(47, 182, 255, .10));
}

.page-products .prod-legend__link:hover .prod-legend__code,
.page-products .prod-legend__link:focus-visible .prod-legend__code {
  color: var(--green);
}

.page-products .prod-flow {
  min-width: 0;
}

/* ---------- 节点卡片 ---------- */
.page-products .prod-node {
  position: relative;
  margin: 0 0 22px;
  padding: 24px 18px 22px 20px;
  border: var(--border-print);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(16, 36, 58, .92), rgba(11, 10, 31, .95));
  box-shadow: var(--shadow-card);
  scroll-margin-top: 84px;
}

.page-products .prod-node::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  border-radius: 2px;
  background: var(--grad-edge);
  opacity: .55;
}

.page-products .prod-node__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .prod-node__dot {
  flex: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 209, 102, .12);
}

.page-products .prod-node__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-products .prod-node h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 5.6vw, 32px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--stardust);
}

.page-products .prod-node__text {
  margin: 0 0 14px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 243, 255, .82);
}

.page-products .prod-node__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 16px 0 0;
}

.page-products .prod-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  color: var(--blue);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 255, .42);
  transition: color .2s ease, border-color .2s ease;
}

.page-products .prod-link:hover,
.page-products .prod-link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 勾选列表 ---------- */
.page-products .prod-check {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-check li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .prod-check__dot {
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(77, 255, 166, .8);
  animation: prod-pulse 2.6s ease-in-out infinite;
}

@keyframes prod-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .42; transform: scale(.76); }
}

/* ---------- 图片框 ---------- */
.page-products .prod-shot {
  margin: 18px 0 20px;
  padding: 8px;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(11, 10, 31, .72);
}

.page-products .prod-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 6px);
  object-fit: cover;
}

.page-products .prod-shot figcaption {
  margin-top: 10px;
  padding: 0 4px 4px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 步骤 ---------- */
.page-products .prod-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .prod-steps li {
  padding: 15px 14px 14px;
  border: var(--border-print);
  border-radius: var(--radius-sm);
  background: rgba(16, 36, 58, .7);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 243, 255, .84);
}

.page-products .prod-steps__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}

/* ---------- 数字卡 ---------- */
.page-products .prod-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 138, 61, .38);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 138, 61, .16), rgba(123, 63, 242, .12));
}

.page-products .prod-stat__value {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-products .prod-stat__label {
  flex: 1 1 200px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 243, 255, .78);
}

/* ---------- 会员四级 ---------- */
.page-products .prod-tiers {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-tier {
  position: relative;
  padding: 18px 16px 16px;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(16, 36, 58, .78);
  box-shadow: var(--shadow-card);
  transition: transform .24s ease, border-color .24s ease;
}

.page-products .prod-tier--1 { border-top: 3px solid var(--purple); }
.page-products .prod-tier--2 { border-top: 3px solid var(--blue); }
.page-products .prod-tier--3 { border-top: 3px solid var(--orange); }
.page-products .prod-tier--4 { border-top: 3px solid var(--green); }

.page-products .prod-tier:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 255, 166, .48);
}

.page-products .prod-tier__tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-900);
  background: var(--amber);
}

.page-products .prod-tier h3 {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--stardust);
}

.page-products .prod-tier p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 结算周期 ---------- */
.page-products .prod-cycles {
  display: grid;
  gap: 16px;
  margin-top: 6px;
}

.page-products .prod-cycle {
  padding: 16px;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(11, 10, 31, .74);
}

.page-products .prod-cycle h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--stardust);
}

.page-products .prod-cycle__track {
  height: 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: rgba(167, 159, 201, .16);
  overflow: hidden;
}

.page-products .prod-cycle__bar {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-products .prod-cycle--now .prod-cycle__bar {
  width: 44%;
  background: var(--grad-brand);
}

.page-products .prod-cycle--next .prod-cycle__bar {
  width: 92%;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

.page-products .prod-cycle p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 适配清单 ---------- */
.page-products .prod-spec {
  display: grid;
  gap: 1px;
  margin: 18px 0 0;
  padding: 0;
  border: var(--border-print);
  border-radius: var(--radius);
  background: var(--prod-line);
  overflow: hidden;
}

.page-products .prod-spec > div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(11, 10, 31, .94);
}

.page-products .prod-spec dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .prod-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 243, 255, .84);
}

/* ---------- 收尾 ---------- */
.page-products .prod-cta {
  margin-top: 30px;
  padding: 28px 20px;
  border: var(--border-print);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 0 0, rgba(123, 63, 242, .42), transparent 58%),
    radial-gradient(120% 120% at 100% 100%, rgba(47, 182, 255, .24), transparent 62%),
    rgba(58, 15, 42, .78);
  box-shadow: var(--shadow-card);
}

.page-products .prod-cta h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 6vw, 36px);
  line-height: 1.2;
  color: var(--stardust);
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 243, 255, .84);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .prod-hero {
    padding: 34px 30px 32px;
  }

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

  .page-products .prod-node {
    padding: 28px 26px 26px 28px;
  }
}

@media (min-width: 760px) {
  .page-products .prod-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .prod-spec > div {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-products .prod-node--split {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .prod-node--split .prod-node__head {
    grid-column: 1 / -1;
  }

  .page-products .prod-node--split .prod-node__col {
    min-width: 0;
  }

  .page-products .prod-shot--square {
    margin-top: 4px;
  }
}

@media (min-width: 960px) {
  .page-products .prod-layout {
    grid-template-columns: var(--prod-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .prod-legend {
    position: sticky;
    top: 26px;
  }

  .page-products .prod-legend__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-products .prod-legend__link {
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: var(--radius-sm);
  }

  .page-products .prod-legend__link:hover,
  .page-products .prod-legend__link:focus-visible {
    border-color: transparent;
    border-left-color: var(--green);
  }
}

@media (min-width: 1080px) {
  .page-products .prod-tiers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
  }

  .page-products .prod-tier--1 { margin-top: 60px; }
  .page-products .prod-tier--2 { margin-top: 40px; }
  .page-products .prod-tier--3 { margin-top: 20px; }
  .page-products .prod-tier--4 { margin-top: 0; }
}

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

  .page-products .prod-tier,
  .page-products .prod-legend__link,
  .page-products .prod-link {
    transition: none;
  }
}