.page-products {
  --pp-border: rgba(27, 33, 31, 0.14);
  --pp-border-strong: rgba(27, 33, 31, 0.3);
  --pp-sheen: rgba(42, 140, 128, 0.1);
  background: var(--paper);
  color: var(--ink);
}

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

.page-products .pp-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.page-products .pp-index::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--signal);
}

.page-products .pp-index--light {
  color: var(--peach);
}

.page-products .pp-index--light::before {
  background: var(--teal-glow);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(38px, 6vw, 68px);
  border-bottom: 1px solid var(--pp-border);
  background:
    radial-gradient(115% 85% at 92% -10%, rgba(42, 140, 128, 0.2), transparent 60%),
    radial-gradient(80% 70% at 6% 0%, rgba(217, 210, 195, 0.9), transparent 68%),
    linear-gradient(178deg, var(--stone) 0%, var(--paper) 82%);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 22px;
  background-image: repeating-linear-gradient(90deg, var(--pp-border) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 22px;
}

.page-products .pp-hero__text h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.page-products .pp-lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pp-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--pp-border);
  font-size: 15px;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .pp-fact-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--signal);
  min-width: 22px;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-products .pp-figure {
  margin: 0;
}

.page-products .pp-figure .media-slot__frame {
  padding: 8px;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-paper);
}

.page-products .pp-figure img {
  width: 100%;
  border-radius: 2px;
  object-fit: cover;
}

.page-products .pp-figure figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pp-hero__media {
  align-self: end;
}

/* ---------- 通用分区 ---------- */
.page-products .pp-section {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-products .pp-section__head {
  max-width: 660px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .pp-section__head h2 {
  margin: 12px 0 13px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-products .pp-section__sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 入口总览 ---------- */
.page-products .pp-main-cards {
  display: grid;
  gap: 16px;
}

.page-products .pp-maincard {
  position: relative;
  display: block;
  padding: 26px 24px 22px;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--radius);
  background: linear-gradient(152deg, rgba(42, 140, 128, 0.16), var(--paper) 62%);
  box-shadow: var(--shadow-paper);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-maincard--signal {
  background: linear-gradient(152deg, rgba(201, 82, 31, 0.18), var(--paper) 64%);
}

.page-products .pp-maincard:hover,
.page-products .pp-maincard:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-products .pp-maincard__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-products .pp-maincard h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-maincard p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pp-maincard__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--pp-border-strong);
}

.page-products .pp-cost {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--sand);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
  white-space: nowrap;
}

.page-products .pp-maincard__go {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--signal);
  transition: transform var(--dur) var(--ease);
}

.page-products .pp-maincard:hover .pp-maincard__go {
  transform: translateX(4px);
}

.page-products .pp-subcards {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-products .pp-subcard {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 18px 20px;
  border: 1px solid var(--pp-border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  background: var(--paper);
  text-decoration: none;
  color: inherit;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-subcard:hover,
.page-products .pp-subcard:focus-visible {
  background: var(--peach);
  border-left-color: var(--signal);
}

.page-products .pp-subcard__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .pp-subcard strong {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-products .pp-subcard span:last-child {
  font-size: 14px;
  line-height: 1.66;
  color: var(--slate);
}

/* ---------- 三条路径 ---------- */
.page-products .pp-section--paths {
  border-top: 1px solid var(--pp-border);
  background:
    linear-gradient(180deg, var(--sand) 0%, var(--paper) 26%, var(--paper) 100%);
}

.page-products .pp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .pp-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--pp-border-strong);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-tab .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .pp-tab:hover,
.page-products .pp-tab:focus-visible {
  background: var(--peach);
  border-color: var(--signal);
}

.page-products .pp-tab .pp-cost {
  background: rgba(217, 210, 195, 0.9);
}

.page-products:has(#path-register:target) .pp-tab[href="#path-register"],
.page-products:has(#path-feedback:target) .pp-tab[href="#path-feedback"],
.page-products:has(#path-news:target) .pp-tab[href="#path-news"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products:has(#path-register:target) .pp-tab[href="#path-register"] .mono,
.page-products:has(#path-feedback:target) .pp-tab[href="#path-feedback"] .mono,
.page-products:has(#path-news:target) .pp-tab[href="#path-news"] .mono {
  color: var(--peach);
}

.page-products:has(.pp-panel:target) .pp-panel:not(:target) {
  display: none;
}

.page-products .pp-panel {
  scroll-margin-top: 96px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-paper);
}

.page-products .pp-panel + .pp-panel {
  margin-top: 22px;
}

.page-products .pp-panel__head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-products .pp-panel__head h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.page-products .pp-panel__head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-products .pp-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 18px;
}

.page-products .pp-track span {
  height: 5px;
  border-radius: 999px;
  background: var(--stone);
}

.page-products .pp-track span:nth-child(1) { background: var(--teal); }
.page-products .pp-track span:nth-child(2) { background: var(--teal-glow); }
.page-products .pp-track span:nth-child(3) { background: rgba(42, 140, 128, 0.55); }
.page-products .pp-track span:nth-child(4) { background: rgba(201, 82, 31, 0.4); }
.page-products .pp-track span:nth-child(5) { background: var(--signal); }

.page-products .pp-steps {
  display: grid;
  gap: 10px;
}

.page-products .pp-step {
  border: 1px solid var(--pp-border);
  border-left: 3px solid var(--stone);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 0 16px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-step[open] {
  border-left-color: var(--signal);
  box-shadow: var(--shadow-paper);
}

.page-products .pp-step > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-step > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--signal);
}

.page-products .pp-step[open] > summary::after {
  content: "–";
}

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.page-products .pp-step__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.page-products .pp-step__time {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--pp-border);
  border-radius: 999px;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .pp-step__body {
  padding: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

.page-products .pp-step__body p {
  margin: 0 0 10px;
}

.page-products .pp-step__need {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 2px;
  background: var(--pp-sheen);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--teal-deep);
}

.page-products .pp-figure--wide {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 反馈分类 ---------- */
.page-products .pp-types {
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-type {
  padding: 16px;
  border: 1px solid var(--pp-border);
  border-top: 3px solid var(--teal);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(42, 140, 128, 0.07), var(--paper) 70%);
}

.page-products .pp-type__name {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .pp-type p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--slate);
}

.page-products .pp-promise {
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .pp-promise strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 16px;
}

.page-products .pp-promise p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 公告双轴 ---------- */
.page-products .pp-axis {
  display: grid;
  gap: 22px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .pp-axis__col h4 {
  margin: 0 0 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--pp-border-strong);
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.01em;
}

.page-products .pp-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-versions li {
  position: relative;
  padding-left: 16px;
  border-left: 1px dashed var(--pp-border-strong);
}

.page-products .pp-versions li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.page-products .pp-versions li:last-child::before {
  background: var(--signal);
}

.page-products .pp-versions__no {
  display: inline-block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.page-products .pp-versions p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--slate);
}

.page-products .pp-axis__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .pp-axis__list li {
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--slate);
  padding-left: 14px;
  position: relative;
}

.page-products .pp-axis__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--signal);
}

.page-products .pp-axis__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-products .pp-deltas {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .pp-delta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--pp-border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--sand), var(--paper) 78%);
}

.page-products .pp-delta__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .pp-delta__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  font-weight: 700;
  color: var(--signal);
}

.page-products .pp-delta__from {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 内容目录 ---------- */
.page-products .pp-section--catalog {
  border-top: 1px solid var(--pp-border);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(42, 140, 128, 0.12), transparent 62%),
    var(--paper);
}

.page-products .pp-catalog-layout {
  display: grid;
  gap: 26px;
}

.page-products .pp-catalog {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-catalog li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no desc";
  column-gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  border: 1px solid var(--pp-border);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pp-catalog li:hover {
  border-color: var(--teal);
  background: rgba(42, 140, 128, 0.06);
}

.page-products .pp-catalog__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-products .pp-catalog strong {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.page-products .pp-catalog p {
  grid-area: desc;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.64;
  color: var(--slate);
}

.page-products .pp-catalog-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-products .pp-aside-note {
  padding: 20px;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(246, 199, 174, 0.55), var(--paper) 72%);
}

.page-products .pp-aside-note h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-products .pp-aside-note p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pp-aside-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 收尾 ---------- */
.page-products .pp-closing {
  padding: clamp(40px, 6vw, 76px) 0;
  background: var(--moss);
  color: var(--paper);
}

.page-products .pp-closing__inner {
  display: grid;
  gap: 26px;
  align-items: end;
}

.page-products .pp-closing h2 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-products .pp-closing p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.74;
  color: rgba(247, 246, 241, 0.82);
}

.page-products .pp-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-closing .btn--outline {
  border-color: rgba(247, 246, 241, 0.55);
  color: var(--paper);
}

.page-products .pp-closing .btn--outline:hover,
.page-products .pp-closing .btn--outline:focus-visible {
  background: rgba(247, 246, 241, 0.14);
  border-color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.84fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .pp-main-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pp-maincard {
    padding: 30px 28px 24px;
  }

  .page-products .pp-axis {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
  }

  .page-products .pp-closing__inner {
    grid-template-columns: minmax(0, 1.2fr) auto;
    gap: 40px;
  }

  .page-products .pp-catalog-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-maincard,
  .page-products .pp-maincard__go,
  .page-products .pp-subcard,
  .page-products .pp-step,
  .page-products .pp-tab,
  .page-products .pp-catalog li {
    transition: none;
  }

  .page-products .pp-maincard:hover {
    transform: none;
  }

  .page-products .pp-maincard:hover .pp-maincard__go {
    transform: none;
  }
}