.page-products {
  --pf-pad: clamp(16px, 2.6vw, 30px);
}

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

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(26px, 5vw, 60px) 0 clamp(28px, 4vw, 46px);
  border-bottom: var(--edge);
}

.page-products .pf-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.4vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pf-hero__lead {
  max-width: 36em;
  margin: 0;
  color: var(--mist);
  font-size: clamp(0.98rem, 2.2vw, 1.08rem);
  line-height: 1.85;
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .pf-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-products .pf-stats dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pf-stats dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--white);
}

.page-products .pf-stats .num {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-products .pf-hero__figure {
  margin: 0 0 clamp(30px, 5vw, 54px);
}

/* ---------- 章节骨架 ---------- */
.page-products .pf-sec {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(34px, 6vw, 70px) 0;
  border-bottom: var(--edge);
}

.page-products .pf-sec__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pf-sec__head p:last-child {
  max-width: 44em;
  margin: 0;
  color: var(--mist);
  line-height: 1.85;
}

/* ---------- 总览卡片 ---------- */
.page-products .pf-cards {
  display: grid;
  gap: 14px;
}

.page-products .pf-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--ink-800);
}

.page-products .pf-card .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .pf-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .pf-card p:last-child {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---------- 房间人数 ---------- */
.page-products .pf-rooms__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-products .pf-rooms__figure {
  margin: 0;
}

.page-products .pf-legend {
  display: grid;
  gap: 1px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-legend li {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--ink-800);
  font-size: 0.88rem;
  color: var(--mist);
}

.page-products .pf-legend b {
  color: var(--white);
  font-weight: 700;
}

.page-products .pf-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.page-products .pf-legend__dot--idle {
  color: var(--green);
  background: var(--green);
}

.page-products .pf-legend__dot--warm {
  color: var(--amber);
  background: var(--amber);
}

.page-products .pf-legend__dot--full {
  color: var(--magenta);
  background: var(--magenta);
}

.page-products .pf-roomlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--edge);
}

.page-products .pf-room {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
  padding: 13px 0;
  border-bottom: var(--edge);
}

.page-products .pf-room__name {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 600;
}

.page-products .pf-room__bar {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  min-height: 12px;
}

.page-products .pf-room__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .pf-pip {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
  animation: pf-pulse 2.6s ease-in-out infinite;
}

.page-products .pf-pip:nth-child(2n) {
  animation-delay: 0.4s;
}

.page-products .pf-pip:nth-child(3n) {
  animation-delay: 0.9s;
}

.page-products .pf-room:nth-child(3) .pf-pip {
  background: var(--amber);
  box-shadow: 0 0 9px var(--amber);
}

.page-products .pf-room:nth-child(5) .pf-pip {
  background: var(--magenta);
  box-shadow: 0 0 9px var(--magenta);
}

@keyframes pf-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.12); }
}

.page-products .pf-rooms__tip {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-rooms__tip a {
  color: var(--cyan);
}

/* ---------- 段位阶梯 ---------- */
.page-products .pf-ranks__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-products .pf-ladder {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-tier {
  --tier-c: var(--cyan);
  position: relative;
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 12px 18px;
  border: var(--edge);
  background: var(--ink-800);
}

.page-products .pf-tier::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--tier-c);
}

.page-products .pf-tier:nth-child(2) { --tier-c: var(--violet); }
.page-products .pf-tier:nth-child(3) { --tier-c: var(--magenta-soft); }
.page-products .pf-tier:nth-child(4) { --tier-c: var(--magenta); }
.page-products .pf-tier:nth-child(5) { --tier-c: var(--amber); }
.page-products .pf-tier:nth-child(6) { --tier-c: var(--paper); }

.page-products .pf-tier__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  letter-spacing: 0.04em;
}

.page-products .pf-tier__track {
  display: block;
  height: 7px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--tier-c) 0%, color-mix(in srgb, var(--tier-c) 12%, transparent) 100%);
  border: 1px solid var(--line);
}

.page-products .pf-tier__range {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .pf-ranks__side {
  display: grid;
  gap: 16px;
}

.page-products .pf-ranks__figure {
  margin: 0;
}

.page-products .pf-ranks__note {
  padding: 18px 18px 20px;
  background: var(--ink-700);
  border-left: 3px solid var(--amber);
}

.page-products .pf-ranks__note .tag {
  display: inline-block;
  margin: 0 0 10px;
}

.page-products .pf-ranks__note p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 新手练习 ---------- */
.page-products .pf-drill__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-products .pf-drill__figure {
  margin: 0;
}

.page-products .pf-drill__body {
  display: grid;
  gap: 18px;
}

.page-products .pf-steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-steps li {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: var(--ink-800);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pf-steps .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pf-levels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-level {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px 4px;
  border: var(--edge);
  background: var(--ink-700);
}

.page-products .pf-level .num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pf-level:nth-child(-n + 4) .num {
  color: var(--cyan);
}

.page-products .pf-drill__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--magenta);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pf-drill__note a {
  color: var(--magenta-soft);
}

/* ---------- 综合体育 ---------- */
.page-products .pf-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-board__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 14px;
  background: linear-gradient(160deg, var(--ink-700), var(--ink-800));
}

.page-products .pf-board__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-products .pf-board__k {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pf-sports__figure {
  margin: 0;
}

/* ---------- 电脑端配置 ---------- */
.page-products .pf-specs {
  display: grid;
  gap: 1px;
  margin: 0;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-specs__row {
  display: grid;
  grid-template-columns: 7em minmax(0, 1fr);
  gap: 10px;
  padding: 12px 14px;
  background: var(--ink-800);
}

.page-products .pf-specs dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  padding-top: 2px;
}

.page-products .pf-specs dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--white);
}

.page-products .pf-setup__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 反馈编号 ---------- */
.page-products .pf-codes {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: var(--edge);
  background: var(--line);
}

.page-products .pf-code {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  background: var(--ink-800);
}

.page-products .pf-code__id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pf-code__t {
  font-size: 0.86rem;
  color: var(--mist);
  line-height: 1.5;
}

.page-products .pf-feedback__foot {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pf-feedback__foot a {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-products .pf-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
    align-items: end;
  }

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

  .page-products .pf-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pf-rooms__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .pf-room {
    grid-template-columns: 12em minmax(0, 1fr) auto 5.2em;
    gap: 12px;
  }

  .page-products .pf-room__bar {
    grid-column: auto;
    flex-wrap: nowrap;
  }

  .page-products .pf-ranks__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pf-drill__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .pf-levels {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .pf-hero__figure {
    margin-bottom: clamp(48px, 6vw, 76px);
  }

  .page-products .pf-sec {
    column-gap: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-pip {
    animation: none;
    opacity: 1;
  }
}
<<<END>>>