.page-privacy {
  --pp-gold-line: rgba(201, 162, 39, 0.26);
  --pp-ink-line: rgba(14, 43, 36, 0.13);
  --pp-soft: rgba(223, 207, 175, 0.52);
  --pp-card-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.95);

  background-color: var(--felt);
  background-image:
    radial-gradient(circle at 14% 4%, rgba(201, 162, 39, 0.11), transparent 44%),
    radial-gradient(circle at 88% 90%, rgba(79, 209, 197, 0.07), transparent 46%);
  color: var(--mist);
  padding-bottom: 3.5rem;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  padding: 2.25rem 0 1.5rem;
}

.page-privacy .privacy-hero .index-label {
  color: var(--gold);
  margin: 0 0 0.9rem;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin: 0 0 1.1rem;
  max-width: 17ch;
}

.page-privacy .privacy-hero .lede {
  max-width: 60ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 氛围图 ---------- */
.page-privacy .privacy-media {
  margin: 0 auto 2.25rem;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--pp-gold-line);
  background: linear-gradient(155deg, rgba(21, 17, 13, 0.92), rgba(14, 43, 36, 0.92));
}

.page-privacy .privacy-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-media .media-caption {
  padding: 0.75rem 1rem 0.9rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid rgba(201, 162, 39, 0.16);
}

/* ---------- 双栏结构 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-privacy .privacy-toc {
  align-self: start;
}

.page-privacy .privacy-toc .index-label {
  color: var(--gold);
  margin: 0 0 0.5rem;
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  border-left: 1px solid var(--pp-gold-line);
}

.page-privacy .toc-item {
  margin: 0;
}

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0 0.55rem 0.85rem;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--gold-bright);
  border-left-color: var(--gold);
  background-color: rgba(201, 162, 39, 0.07);
}

.page-privacy .pp-totop {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--pp-gold-line);
  border-radius: 999px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .pp-totop:hover,
.page-privacy .pp-totop:focus-visible {
  color: var(--ink-dark);
  background-color: var(--gold-bright);
  border-color: var(--gold-bright);
}

/* ---------- 正文条目 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.page-privacy .privacy-section {
  background: var(--cream);
  color: var(--paper-ink);
  border-radius: var(--radius-l);
  border: 1px solid rgba(201, 162, 39, 0.22);
  padding: 1.5rem 1.15rem;
  box-shadow: var(--pp-card-shadow);
  min-width: 0;
}

.page-privacy .privacy-section .section-head {
  margin-bottom: 0.85rem;
}

.page-privacy .privacy-section .section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  color: var(--felt);
  opacity: 0.6;
  margin: 0 0 0.4rem;
}

.page-privacy .privacy-section .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--felt);
  margin: 0;
}

.page-privacy .privacy-section .section-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-top: 0.65rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-privacy .privacy-section p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper-ink);
  margin: 0 0 1em;
  max-width: 66ch;
}

.page-privacy .privacy-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-section a {
  color: #8a4a12;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--vermilion);
}

.page-privacy .pp-note {
  font-size: 0.9375rem;
  color: rgba(42, 38, 32, 0.78);
  border-left: 3px solid var(--gold);
  padding-left: 0.85rem;
}

/* ---------- 四类记录 ---------- */
.page-privacy .pp-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}

.page-privacy .pp-item {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-s);
  background: var(--pp-soft);
  border: 1px solid var(--pp-ink-line);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.page-privacy .pp-item:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 39, 0.65);
}

.page-privacy .pp-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--felt);
  letter-spacing: 0.01em;
}

.page-privacy .pp-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(42, 38, 32, 0.84);
}

/* ---------- 信息流向图 ---------- */
.page-privacy .pp-flow-wrap {
  margin: 1.1rem 0 1.25rem;
  padding: 0.9rem 0.6rem 0.6rem;
  border-radius: var(--radius-m);
  background: rgba(223, 207, 175, 0.42);
  border: 1px solid var(--pp-ink-line);
}

.page-privacy .pp-flow {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pp-flow text {
  font-family: var(--font-body);
}

.page-privacy .pp-flow-caption {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  text-align: center;
  color: rgba(42, 38, 32, 0.72);
}

/* ---------- 用途列表 ---------- */
.page-privacy .pp-use {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-privacy .pp-use li {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-s);
  border-left: 3px solid var(--gold);
  background: rgba(14, 43, 36, 0.045);
}

.page-privacy .pp-use-key {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--felt);
}

.page-privacy .pp-use-val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(42, 38, 32, 0.84);
}

/* ---------- 折叠面板 ---------- */
.page-privacy .pp-panel {
  border: 1px solid var(--pp-ink-line);
  border-radius: var(--radius-s);
  background: rgba(223, 207, 175, 0.38);
  margin-top: 0.7rem;
  overflow: hidden;
}

.page-privacy .pp-panel .panel-head {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--felt);
}

.page-privacy .pp-panel .panel-head::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-panel .panel-head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--vermilion);
  flex: none;
  transition: transform 0.2s ease;
}

.page-privacy .pp-panel[open] .panel-head::after {
  content: "−";
}

.page-privacy .pp-panel .panel-body {
  padding: 0 1rem 0.95rem;
  border-top: 1px solid rgba(14, 43, 36, 0.1);
}

.page-privacy .pp-panel .panel-body p {
  margin: 0.8rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: none;
}

.page-privacy .pp-panel .panel-head:focus-visible {
  outline: 2px solid var(--vermilion);
  outline-offset: -2px;
}

/* ---------- 你可以自己操作的事 ---------- */
.page-privacy .pp-do {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-privacy .pp-do li {
  position: relative;
  padding: 0 0 0 1.6rem;
  border-bottom: 1px dashed rgba(14, 43, 36, 0.14);
  padding-bottom: 0.9rem;
}

.page-privacy .pp-do li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pp-do li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}

.page-privacy .pp-do h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--felt);
}

.page-privacy .pp-do p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 64ch;
}

/* ---------- 分隔线 ---------- */
.page-privacy .privacy-section .rule {
  height: 1px;
  margin: 1.4rem 0 1rem;
  border: 0;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.6), rgba(201, 162, 39, 0));
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-section {
    padding: 1.9rem 1.85rem;
  }

  .page-privacy .pp-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding: 3.25rem 0 2rem;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 3.25rem;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--frame-top) + 1.5rem);
  }

  .page-privacy .privacy-section {
    padding: 2.1rem 2.4rem;
  }

  .page-privacy .privacy-body {
    gap: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-item,
  .page-privacy .toc-link,
  .page-privacy .pp-totop,
  .page-privacy .pp-panel .panel-head::after {
    transition: none;
  }

  .page-privacy .pp-item:hover {
    transform: none;
  }
}