.page-products {
  --pp-gap: clamp(16px, 3vw, 28px);
  --pp-line: rgba(200, 162, 74, 0.26);
  --pp-soft: rgba(242, 237, 228, 0.07);
  --pp-panel: #14181F;
  --pp-panel-2: #1E242C;
  color: var(--paper);
  overflow-x: clip;
}

.page-products .pp-section {
  position: relative;
  padding: clamp(44px, 6.5vw, 88px) 0;
}

.page-products .pp-section > .shell {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(22px, 3.6vw, 40px);
  padding-bottom: clamp(34px, 5vw, 64px);
  overflow: clip;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pp-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(120% 80% at 15% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 80% at 15% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -130px;
  width: min(560px, 72vw);
  height: min(560px, 72vw);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(200, 162, 74, 0.18), transparent 62%);
  pointer-events: none;
}

.page-products .pp-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-products .pp-hero__title {
  font-family: var(--font-title);
  font-size: clamp(34px, 7.2vw, 66px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 14px 0 0;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .pp-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.82;
}

.page-products .pp-facts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .pp-fact {
  border-top: 1px solid var(--pp-line);
  padding-top: 12px;
}

.page-products .pp-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.9vw, 20px);
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

.page-products .pp-fact__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .pp-jump {
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(20, 24, 31, 0.92), rgba(11, 13, 16, 0.92));
  padding: clamp(18px, 2.4vw, 26px);
}

.page-products .pp-jump__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pp-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-jump__link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--radius-md);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .pp-jump__code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .pp-jump__link:hover {
  background: rgba(200, 162, 74, 0.12);
  color: var(--gold-light);
}

.page-products .pp-jump__link:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

/* ---------- 章节头 ---------- */
.page-products .pp-head {
  max-width: 76ch;
}

.page-products .pp-idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-products .pp-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pp-lead {
  margin: 14px 0 0;
  color: var(--silver);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.82;
}

/* ---------- 影像容器 ---------- */
.page-products .pp-media {
  margin: 0;
}

.page-products .pp-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pp-line);
  background: var(--pp-panel);
  object-fit: cover;
}

.page-products .pp-media .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .pp-services__media {
  margin: clamp(24px, 3.5vw, 38px) 0 0;
}

.page-products .pp-reading__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: 720px;
}

/* ---------- 六类服务：胶囊分段 + 面板 ---------- */
.page-products .svc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 3.4vw, 38px);
  position: relative;
}

.page-products .svc-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .svc-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--pp-line);
  background: rgba(30, 36, 44, 0.62);
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .svc-chip__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-products .svc-chip:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .svc-radio:checked + .svc-chip {
  background: linear-gradient(120deg, var(--gold), var(--gold-light));
  border-color: transparent;
  color: var(--ink);
  font-weight: 600;
}

.page-products .svc-radio:checked + .svc-chip .svc-chip__code {
  color: var(--cinnabar-deep);
}

.page-products .svc-radio:focus-visible + .svc-chip {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.page-products .svc-panels {
  flex-basis: 100%;
  width: 100%;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-products .svc-panel {
  display: none;
  position: relative;
  overflow: hidden;
  gap: clamp(18px, 2.6vw, 32px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(20, 24, 31, 0.96), rgba(11, 13, 16, 0.96));
}

.page-products .svc-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), transparent);
}

.page-products #svc-entry:checked ~ .svc-panels .svc-panel--entry,
.page-products #svc-docs:checked ~ .svc-panels .svc-panel--docs,
.page-products #svc-version:checked ~ .svc-panels .svc-panel--version,
.page-products #svc-faq:checked ~ .svc-panels .svc-panel--faq,
.page-products #svc-access:checked ~ .svc-panels .svc-panel--access,
.page-products #svc-feedback:checked ~ .svc-panels .svc-panel--feedback {
  display: grid;
  animation: ppPanelFade 0.38s var(--ease) both;
}

@keyframes ppPanelFade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .svc-panel__code {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .svc-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.35;
  color: var(--paper);
}

.page-products .svc-panel__text {
  margin: 0;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-products .svc-panel__side {
  border-top: 1px solid var(--pp-line);
  padding-top: 16px;
}

.page-products .svc-panel__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-products .svc-panel__meta {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-products .pp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  color: var(--gold-light);
  text-decoration: none;
  font-size: 14.5px;
  border-bottom: 1px solid rgba(200, 162, 74, 0.45);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pp-link:hover {
  color: #FFFFFF;
  border-color: var(--gold-light);
}

.page-products .pp-link:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

/* ---------- 文档库三层 ---------- */
.page-products .pp-library__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .pp-tree {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--pp-line);
}

.page-products .pp-tree__item {
  position: relative;
  padding: 0 0 clamp(20px, 2.6vw, 28px) clamp(18px, 2.6vw, 28px);
}

.page-products .pp-tree__item:last-child {
  padding-bottom: 0;
}

.page-products .pp-tree__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 162, 74, 0.14);
}

.page-products .pp-tree__head {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.3vw, 23px);
  color: var(--paper);
}

.page-products .pp-tree__code {
  padding: 3px 9px;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pp-tree__desc {
  margin: 10px 0 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pp-tree__sub {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 0 14px;
  border-left: 1px dashed rgba(200, 162, 74, 0.3);
  display: grid;
  gap: 9px;
}

.page-products .pp-tree__sub li {
  position: relative;
  padding-left: 15px;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .pp-tree__sub li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--jade);
}

/* ---------- 阅读与下载 ---------- */
.page-products .pp-compare {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .pp-read {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(30, 36, 44, 0.7), rgba(11, 13, 16, 0.86));
}

.page-products .pp-read--pdf {
  background: linear-gradient(160deg, rgba(200, 162, 74, 0.13), rgba(11, 13, 16, 0.92));
}

.page-products .pp-read__title {
  margin: 14px 0 10px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-read__text {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pp-read__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pp-read__list li {
  position: relative;
  padding-left: 17px;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .pp-read__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-products .pp-order {
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.4vw, 26px);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(200, 162, 74, 0.08);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.82;
}

.page-products .pp-order strong {
  color: var(--gold-light);
  font-weight: 600;
}

/* ---------- 版本说明 ---------- */
.page-products .pp-versions {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

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

.page-products .pp-ver {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 1.8vw, 18px) 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-ver:last-child {
  border-bottom: 0;
}

.page-products .pp-ver__code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

.page-products .pp-ver__text {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 典型场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .pp-scene {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-lg);
  background: rgba(20, 24, 31, 0.78);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-products .pp-scene:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-products .pp-scene__code {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-products .pp-scene__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-scene__text {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 反馈闭环 ---------- */
.page-products .pp-feedback__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .pp-ring {
  display: block;
  width: 76px;
  height: 76px;
  margin: 0 0 18px;
}

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

.page-products .pp-loop li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  padding: clamp(14px, 1.8vw, 18px) 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-loop li:last-child {
  border-bottom: 0;
}

.page-products .pp-loop__step {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-products .pp-loop__title {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--paper);
}

.page-products .pp-loop__text {
  margin: 0;
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 收束 ---------- */
.page-products .pp-outro {
  padding-bottom: clamp(50px, 7vw, 96px);
}

.page-products .pp-outro__box {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 3.4vw, 44px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(192, 57, 43, 0.16), transparent 55%),
    linear-gradient(150deg, rgba(30, 36, 44, 0.9), rgba(11, 13, 16, 0.96));
}

.page-products .pp-outro__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pp-outro__text {
  margin: 14px 0 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .pp-outro__text a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.45);
}

.page-products .pp-outro__text a:hover {
  color: #FFFFFF;
}

.page-products .pp-outro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pp-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-ver {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(14px, 2vw, 24px);
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-products .pp-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

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

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

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

  .page-products .pp-feedback__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .pp-outro__box {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .svc-panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
  }

  .page-products .svc-panel__side {
    border-top: 0;
    border-left: 1px solid var(--pp-line);
    padding: 4px 0 0 clamp(18px, 2vw, 26px);
  }
}

@media (min-width: 1040px) {
  .page-products .pp-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-scene:nth-child(2) {
    margin-top: 26px;
  }
}