.page-privacy,
.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy {
  --pv-rail: 272px;
  --pv-line: rgba(138, 140, 134, 0.22);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: hidden;
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-privacy .pv-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.page-privacy [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏：坐标刻度 + 棋盘网底 ---------- */
.page-privacy .pv-head {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  padding: 24px 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(circle at 14% 24%, rgba(201, 162, 39, 0.5) 0 1.6px, transparent 1.6px),
    radial-gradient(circle at 41% 66%, rgba(242, 237, 228, 0.5) 0 1.3px, transparent 1.3px),
    radial-gradient(circle at 69% 32%, rgba(127, 211, 198, 0.55) 0 1.3px, transparent 1.3px),
    radial-gradient(circle at 88% 72%, rgba(201, 162, 39, 0.4) 0 1.3px, transparent 1.3px),
    linear-gradient(155deg, var(--night) 0%, var(--ink) 74%);
  background-size: 220px 220px, 260px 260px, 300px 300px, 240px 240px, auto;
}

.page-privacy .pv-head::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-privacy .pv-head__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-privacy .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-privacy .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line);
}

.page-privacy .pv-head__title {
  font-family: var(--font-display);
  font-size: clamp(29px, 6.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  max-width: 18em;
}

.page-privacy .pv-head__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.1vw, 17px);
  color: rgba(242, 237, 228, 0.84);
}

.page-privacy .mono {
  font-family: var(--font-mono);
}

.page-privacy .pv-head__meta {
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border-left: 2px solid var(--cinnabar);
  padding-left: 12px;
}

/* ---------- 布局：目录 + 正文 ---------- */
.page-privacy .pv-layout {
  padding-top: clamp(26px, 4vw, 56px);
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
}

.page-privacy .pv-rail {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  background: rgba(42, 48, 56, 0.44);
  padding: 16px 16px 14px;
}

.page-privacy .chapter-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-privacy .chapter-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .chapter-rail__link {
  display: block;
  padding: 9px 10px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(242, 237, 228, 0.7);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.page-privacy .chapter-rail__link:hover {
  color: var(--cream);
  background: rgba(242, 237, 228, 0.05);
}

.page-privacy .chapter-rail__link[data-active="true"] {
  color: var(--gold);
  background: rgba(201, 162, 39, 0.1);
  border-left-color: var(--gold);
}

/* ---------- 正文区块 ---------- */
.page-privacy .pv-block {
  padding-bottom: clamp(30px, 4.6vw, 52px);
  margin-bottom: clamp(30px, 4.6vw, 52px);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .coord {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-privacy .pv-block__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.5vw, 31px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-privacy .pv-block__lead {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15.5px;
  color: rgba(242, 237, 228, 0.8);
}

.page-privacy .pv-block__lead:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-block a {
  color: var(--jade-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 四个环节 ---------- */
.page-privacy .pv-items {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-item {
  background: var(--ink);
  padding: 18px 18px 20px;
}

.page-privacy .pv-item__code {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-privacy .pv-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .pv-item p:last-child {
  margin: 0;
  font-size: 15px;
  color: rgba(242, 237, 228, 0.78);
}

.page-privacy .pv-figure {
  margin: 26px 0 0;
  padding: 10px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(42, 48, 56, 0.7), rgba(14, 15, 12, 0.94));
}

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

.page-privacy .pv-figure figcaption {
  padding: 10px 4px 2px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

/* ---------- 折叠块 ---------- */
.page-privacy .fold {
  margin-top: 16px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--clay);
  background: rgba(58, 42, 32, 0.34);
}

.page-privacy .fold__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: clamp(15.5px, 1.2vw, 17px);
  font-weight: 700;
  line-height: 1.5;
}

.page-privacy .fold__head::before {
  content: "//";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-privacy .fold__body {
  padding: 0 16px 16px;
}

.page-privacy .fold__body p {
  margin: 0 0 10px;
  font-size: 15px;
  color: rgba(242, 237, 228, 0.8);
}

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

.page-privacy .fold[data-open="false"] .fold__body {
  display: none;
}

/* ---------- 提示条 ---------- */
.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--cinnabar);
  background: rgba(176, 58, 46, 0.09);
  font-size: 15px;
  color: rgba(242, 237, 228, 0.88);
}

.page-privacy .pv-note strong {
  color: var(--cream);
}

/* ---------- 保存期限行 ---------- */
.page-privacy .pv-rows {
  margin-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-row__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--jade-lt);
}

.page-privacy .pv-row__val {
  margin: 0;
  font-size: 15px;
  color: rgba(242, 237, 228, 0.82);
}

/* ---------- 操作路径 ---------- */
.page-privacy .pv-paths {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-path {
  background: var(--ink);
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

.page-privacy .pv-path__go {
  margin: 0;
  font-size: 15px;
  color: rgba(242, 237, 228, 0.86);
}

.page-privacy .pv-path__entry {
  margin: 0;
  justify-self: start;
  max-width: 100%;
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--jade-lt);
  background: rgba(47, 143, 131, 0.14);
  border: 1px dashed rgba(127, 211, 198, 0.45);
  word-break: break-all;
}

/* ---------- 联络 ---------- */
.page-privacy .pv-contact__grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-privacy .pv-contact__card {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--gold);
  background: rgba(42, 48, 56, 0.42);
}

.page-privacy .pv-contact__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-privacy .pv-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14.5px, 2.4vw, 17px);
  color: var(--cream);
  word-break: break-all;
}

.page-privacy .pv-contact__hint {
  margin: 8px 0 0;
  font-size: 14px;
  color: rgba(242, 237, 228, 0.72);
}

/* ---------- 进场 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-privacy [data-reveal="in"] {
    animation: pv-reveal 0.5s ease both;
  }
}

@keyframes pv-reveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-items {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .pv-path {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    align-items: center;
  }

  .page-privacy .pv-contact__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(40px, 4vw, 68px);
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .pv-row {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-block__lead {
    font-size: 16px;
  }
}