.page-products {
  --pp-gap: clamp(18px, 4vw, 40px);
  --pp-radius: 20px;
  color: var(--ink);
  background: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-products .pp-hero {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 5vw, 56px);
  border-bottom: var(--line-gold);
  background-image: radial-gradient(circle at 90% 8%, rgba(201, 162, 39, 0.16), transparent 58%);
}

.page-products .pp-crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ochre);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}

.page-products .pp-crumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .pp-crumb a:hover,
.page-products .pp-crumb a:focus-visible {
  border-bottom-color: var(--gold);
  color: var(--lacquer);
}

.page-products .pp-crumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: rgba(31, 58, 61, 0.38);
}

.page-products .pp-crumb-current {
  color: rgba(31, 58, 61, 0.6);
}

.page-products .pp-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.26;
  letter-spacing: 0.06em;
  color: var(--ink);
  max-width: 16em;
}

.page-products .pp-lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.9;
  color: rgba(31, 58, 61, 0.84);
}

.page-products .pp-block {
  padding-block: clamp(40px, 7vw, 76px);
  border-top: var(--line-gold);
}

.page-products .pp-block:first-of-type {
  border-top: 0;
}

.page-products .pp-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-products .pp-h2 {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .pp-h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.26em;
  width: 5px;
  height: 0.92em;
  border-radius: 3px;
  background: var(--cinnabar);
}

.page-products .pp-h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 22px);
  letter-spacing: 0.05em;
  color: var(--lacquer);
}

.page-products .pp-text {
  margin: 0 0 0.9em;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(31, 58, 61, 0.84);
}

.page-products .pp-text:last-child {
  margin-bottom: 0;
}

.page-products .pp-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(201, 162, 39, 0.55);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(31, 58, 61, 0.66);
  max-width: 44em;
}

/* ---------- 档位带 ---------- */

.page-products .tier-switch {
  position: relative;
}

.page-products .tier-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .tier-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .tier-card {
  position: relative;
  display: block;
  padding: 18px 16px 22px;
  border: 1px solid rgba(31, 58, 61, 0.16);
  border-radius: 16px;
  background: var(--paper-2);
  cursor: pointer;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .tier-card:hover,
.page-products .tier-card:focus-within {
  border-color: var(--gold);
}

.page-products .tier-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ochre);
  margin-bottom: 8px;
}

.page-products .tier-name {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.14em;
  line-height: 1.2;
  color: var(--lacquer);
}

.page-products .tier-fit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(31, 58, 61, 0.72);
}

.page-products .tier-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: var(--line-gold);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: rgba(31, 58, 61, 0.7);
}

.page-products .tier-switch:has(#tier-entry:checked) .tier-card[for="tier-entry"],
.page-products .tier-switch:has(#tier-regular:checked) .tier-card[for="tier-regular"],
.page-products .tier-switch:has(#tier-salon:checked) .tier-card[for="tier-salon"],
.page-products .tier-switch:has(#tier-master:checked) .tier-card[for="tier-master"] {
  background: var(--paper);
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, 0.45), 0 10px 26px -18px rgba(124, 26, 31, 0.55);
  transform: translateY(-3px);
}

.page-products #tier-entry:focus-visible ~ .tier-band .tier-card[for="tier-entry"],
.page-products #tier-regular:focus-visible ~ .tier-band .tier-card[for="tier-regular"],
.page-products #tier-salon:focus-visible ~ .tier-band .tier-card[for="tier-salon"],
.page-products #tier-master:focus-visible ~ .tier-band .tier-card[for="tier-master"] {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-products .tier-figure {
  margin-top: clamp(24px, 4vw, 36px);
}

/* ---------- 通用图片 ---------- */

.page-products .pp-figure {
  margin: 0;
  border-radius: var(--pp-radius);
  overflow: hidden;
  border: 1px solid rgba(201, 162, 39, 0.34);
  background: var(--paper-2);
}

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

/* ---------- 会员中心 ---------- */

.page-products .center-grid {
  display: grid;
  gap: clamp(20px, 4vw, 34px);
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-products .center-item {
  padding: 16px 0 16px 16px;
  border-left: 2px solid rgba(183, 40, 46, 0.35);
}

.page-products .center-item + .center-item {
  border-top: var(--line-gold);
  border-left-width: 2px;
}

.page-products .center-item-key {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

.page-products .center-diagram-wrap {
  padding: clamp(16px, 3vw, 28px);
  border-radius: var(--pp-radius);
  background: var(--paper-2);
  border: 1px solid rgba(201, 162, 39, 0.3);
}

.page-products .center-diagram {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 第二栏 ---------- */

.page-products .status-grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
}

.page-products .status-stack {
  display: grid;
  gap: 0;
}

.page-products .status-item {
  padding: 16px 0 16px 18px;
  border-left: 3px solid var(--lacquer);
}

.page-products .status-item + .status-item {
  border-top: var(--line-gold);
}

.page-products .status-key {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--lacquer);
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

/* ---------- 跨设备 ---------- */

.page-products .sync-figure {
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-products .sync-points {
  display: grid;
  gap: 18px;
}

.page-products .sync-point {
  padding: 18px 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(31, 58, 61, 0.14);
  background: var(--paper-2);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .sync-point:hover,
.page-products .sync-point:focus-within {
  border-color: var(--gold);
  background: var(--paper);
}

/* ---------- 三步清单 ---------- */

.page-products .fit-figure {
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-products .pp-checklist-wrap {
  display: grid;
  gap: 18px;
}

.page-products .pp-checklist-aside {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--lacquer);
  color: var(--gold-light);
}

.page-products .pp-checklist-aside .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pp-aside-num {
  margin: 0;
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

.page-products .pp-aside-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(232, 206, 134, 0.85);
}

.page-products .pp-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-check {
  position: relative;
  border-top: var(--line-gold);
}

.page-products .pp-check:last-child {
  border-bottom: var(--line-gold);
}

.page-products .pp-check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pp-check-label {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 22px 4px 24px;
  cursor: pointer;
  transition: background 160ms var(--ease);
}

.page-products .pp-check-label:hover,
.page-products .pp-check-input:focus-visible + .pp-check-label {
  background: rgba(234, 223, 207, 0.5);
}

.page-products .pp-check-input:focus-visible + .pp-check-label {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .pp-check-mark {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border-radius: 50%;
  border: 1.5px solid rgba(31, 58, 61, 0.3);
  transition: border-color 160ms var(--ease);
}

.page-products .pp-check-mark::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  transform: scale(0);
  transition: transform 160ms var(--ease);
}

.page-products .pp-check-input:checked + .pp-check-label .pp-check-mark {
  border-color: var(--gold);
}

.page-products .pp-check-input:checked + .pp-check-label .pp-check-mark::after {
  transform: scale(1);
}

.page-products .pp-check-body {
  display: block;
}

.page-products .pp-check-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ochre);
  margin-bottom: 6px;
  transition: color 120ms var(--ease);
}

.page-products .pp-check-input:checked + .pp-check-label .pp-check-num {
  color: var(--gold);
}

.page-products .pp-check-title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 22px);
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-products .pp-check-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(31, 58, 61, 0.8);
  max-width: 38em;
}

/* ---------- 问答 ---------- */

.page-products .pp-faq {
  display: grid;
  gap: 0;
}

.page-products .pp-faq-item {
  padding: 22px 0;
  border-top: var(--line-gold);
}

.page-products .pp-faq-item:last-child {
  border-bottom: var(--line-gold);
}

.page-products .pp-faq-q {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.8vw, 21px);
  letter-spacing: 0.05em;
  color: var(--lacquer);
}

.page-products .pp-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 26px;
}

.page-products .pp-inline-link {
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 58, 61, 0.28);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pp-inline-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease);
}

.page-products .pp-inline-link:hover,
.page-products .pp-inline-link:focus-visible {
  color: var(--lacquer);
  border-color: transparent;
}

.page-products .pp-inline-link:hover::after,
.page-products .pp-inline-link:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 延伸 ---------- */

.page-products .pp-next {
  border-top: var(--line-gold);
}

.page-products .pp-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pp-next-list li {
  border-top: var(--line-gold);
}

.page-products .pp-next-list li:last-child {
  border-bottom: var(--line-gold);
}

.page-products .pp-next-list a {
  display: block;
  padding: 16px 4px 16px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  text-decoration: none;
  transition: color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-products .pp-next-list a:hover,
.page-products .pp-next-list a:focus-visible {
  color: var(--cinnabar);
  padding-left: 10px;
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 640px) {
  .page-products .tier-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .tier-card {
    min-height: 186px;
  }

  .page-products .tier-card:nth-child(2) {
    min-height: 204px;
  }

  .page-products .tier-card:nth-child(3) {
    min-height: 222px;
  }

  .page-products .tier-card:nth-child(4) {
    min-height: 200px;
  }

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

  .page-products .sync-point:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .tier-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
  }

  .page-products .tier-card {
    padding: 22px 18px 24px;
  }

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

  .page-products .status-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .sync-point:first-child {
    grid-column: auto;
  }

  .page-products .pp-checklist-wrap {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-products .pp-checklist-aside {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-lead {
    font-size: 17px;
  }

  .page-products .pp-text {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier-card,
  .page-products .pp-check-label,
  .page-products .pp-check-mark,
  .page-products .pp-check-mark::after,
  .page-products .pp-inline-link,
  .page-products .pp-inline-link::after,
  .page-products .pp-next-list a,
  .page-products .sync-point,
  .page-products .pp-crumb a {
    transition-duration: 0.01ms;
  }

  .page-products .tier-switch:has(#tier-entry:checked) .tier-card[for="tier-entry"],
  .page-products .tier-switch:has(#tier-regular:checked) .tier-card[for="tier-regular"],
  .page-products .tier-switch:has(#tier-salon:checked) .tier-card[for="tier-salon"],
  .page-products .tier-switch:has(#tier-master:checked) .tier-card[for="tier-master"] {
    transform: none;
  }
}