.page-products {
  --pp-rail-w: 15rem;
  background: var(--ink-900);
  color: var(--text-soft);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-products .page-products__crumb {
  padding-top: clamp(1rem, 3.5vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  position: relative;
  isolation: isolate;
  margin-top: clamp(1rem, 3vw, 1.9rem);
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 clamp(2.75rem, 7vw, 4.75rem);
  overflow: hidden;
  background:
    radial-gradient(130% 100% at 88% -10%, rgba(55, 226, 213, 0.16), transparent 62%),
    radial-gradient(90% 90% at 0% 100%, rgba(26, 18, 48, 0.92), transparent 72%),
    linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 52%, var(--ink-950) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-products__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 154, 171, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 154, 171, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
}

.page-products__hero-grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: center;
}

.page-products__hero h1 {
  margin: 0.55rem 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products__scope {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.1rem, 3.5vw, 1.6rem);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(140, 154, 171, 0.06) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(140, 154, 171, 0.06) 1px, transparent 1px) 0 0 / 44px 44px,
    rgba(15, 44, 72, 0.55);
}

.page-products__pulse {
  display: block;
  width: 100%;
  height: auto;
}

.page-products__pulse polyline {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px rgba(55, 226, 213, 0.55));
}

.page-products__scope-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

/* ---------- 主区域：目录 + 内容流 ---------- */
.page-products__shell {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-products .rail {
  align-self: start;
}

.page-products .rail__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--bronze);
}

.page-products .rail__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.6rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .rail__list::-webkit-scrollbar {
  display: none;
}

.page-products .rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.83rem;
  line-height: 1.4;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .rail__link:hover,
.page-products .rail__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-products .rail__link[aria-current="true"] {
  color: var(--cyan);
  background: rgba(55, 226, 213, 0.1);
  border-color: var(--line-cyan);
}

.page-products .rail__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
}

.page-products__flow {
  display: grid;
  gap: clamp(2.5rem, 7vw, 4.5rem);
  min-width: 0;
}

.page-products__flow .section {
  min-width: 0;
}

/* ---------- 四块视图清单 ---------- */
.page-products .views {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .view {
  display: grid;
  gap: 0.3rem 1rem;
  padding: 1.2rem 0;
}

.page-products .view + .view {
  border-top: 1px solid var(--line);
}

.page-products .view__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
}

.page-products .view__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .view__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 会员权益 ---------- */
.page-products__split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 1.5rem;
  align-items: start;
}

.page-products__split-copy p {
  margin: 0 0 1.1rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--text-soft);
}

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

/* ---------- 竞猜入口 ---------- */
.page-products .navmap {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: 1rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(140, 154, 171, 0.06) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(140, 154, 171, 0.06) 1px, transparent 1px) 0 0 / 48px 48px,
    rgba(15, 44, 72, 0.55);
  overflow-x: auto;
}

.page-products .navmap__bar {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
}

.page-products .navmap__cell {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-products .navmap__cell--hot {
  border-color: var(--red);
  background: var(--red);
  color: var(--ink-900);
  font-weight: 700;
}

.page-products .navmap__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.85;
}

.page-products .page-products__entry-notes {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.page-products .page-products__entry-notes p {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 系统要求 ---------- */
.page-products .spec {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: clamp(1.35rem, 4vw, 2.25rem);
  background: var(--paper);
  color: var(--paper-ink);
}

.page-products .spec__head {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--cyan-deep);
}

.page-products .spec__list {
  margin: 0;
}

.page-products .spec__row {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed rgba(35, 42, 51, 0.22);
}

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

.page-products .spec dt {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: rgba(35, 42, 51, 0.62);
}

.page-products .spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--paper-ink);
}

.page-products .page-products__aside {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--bronze);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 安装步骤 ---------- */
.page-products .timeline__time {
  font-family: var(--font-mono);
  color: var(--green);
}

.page-products .timeline__body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  color: var(--paper);
}

.page-products .timeline__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--text-soft);
}

.page-products__help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
  background: rgba(15, 44, 72, 0.5);
}

.page-products__help p {
  flex: 1 1 16rem;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 收束区 ---------- */
.page-products__outro {
  display: grid;
  gap: clamp(1.75rem, 5vw, 2.75rem);
}

.page-products__outro-copy p {
  margin: 1rem 0 1.4rem;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .outro-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.page-products .outro-links li {
  display: grid;
  gap: 0.25rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 34, 56, 0.62);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .outro-links li:hover,
.page-products .outro-links li:focus-within {
  border-color: var(--line-cyan);
  transform: translateX(4px);
}

.page-products .outro-links a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--cyan);
  text-decoration: none;
}

.page-products .outro-links a:hover {
  text-decoration: underline;
}

.page-products .outro-links span {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

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

.page-products .img-frame__caption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 焦点反馈 ---------- */
.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .view {
    grid-template-columns: 3.4rem 9.5rem minmax(0, 1fr);
    align-items: baseline;
  }

  .page-products .spec__row {
    grid-template-columns: 10rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.25rem;
  }

  .page-products__scope-cards {
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-products__hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  }

  .page-products__split {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  }

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

@media (min-width: 1000px) {
  .page-products__shell {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .rail {
    position: sticky;
    top: 7rem;
    padding-left: 1.25rem;
    border-left: 1px solid var(--line);
  }

  .page-products .rail__list {
    flex-direction: column;
    gap: 0.2rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .rail__link {
    width: 100%;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .rail__link,
  .page-products .outro-links li {
    transition: none;
  }

  .page-products .outro-links li:hover,
  .page-products .outro-links li:focus-within {
    transform: none;
  }
}