.page-privacy {
  --pp-paper-line: rgba(10, 14, 20, 0.14);
  --pp-paper-line-soft: rgba(10, 14, 20, 0.1);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-hi);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(10, 14, 20, 0.56);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  background: rgba(10, 14, 20, 0.72);
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 72px);
}

.page-privacy .crumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(244, 239, 231, 0.6);
}

.page-privacy .crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .crumb a:hover {
  color: var(--flame-soft);
  border-bottom-color: var(--flame-soft);
}

.page-privacy .pp-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 30px 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 239, 231, 0.7);
}

.page-privacy .pp-hero h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-hi);
}

.page-privacy .pp-hero__lead {
  margin: 0 0 32px;
  max-width: 38rem;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.78;
  color: rgba(244, 239, 231, 0.82);
}

.page-privacy .pp-brief {
  max-width: 54rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--flame);
  background: rgba(20, 26, 34, 0.78);
}

.page-privacy .pp-brief summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pp-brief summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-brief summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .pp-brief__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-privacy .pp-brief[open] .pp-brief__mark {
  transform: rotate(-135deg);
}

.page-privacy .pp-brief__list {
  margin: 0;
  padding: 2px 18px 18px;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-brief__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(244, 239, 231, 0.86);
}

.page-privacy .pp-brief__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--flame-soft);
}

@media (min-width: 760px) {
  .page-privacy .pp-brief__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 阅读区 ---------- */
.page-privacy .pp-body {
  background: var(--paper);
  color: var(--ink-900);
  padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 7vw, 96px);
}

.page-privacy .pp-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 960px) {
  .page-privacy .pp-body__grid {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }
}

/* 章节索引 */
.page-privacy .pp-index {
  border-top: 2px solid var(--ink-900);
  padding-top: 14px;
}

.page-privacy .pp-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-privacy .pp-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-privacy .pp-index__list li {
  flex: 0 0 auto;
}

.page-privacy .pp-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 0.8125rem;
  white-space: nowrap;
  text-decoration: none;
  color: rgba(10, 14, 20, 0.78);
  background: rgba(255, 252, 246, 0.72);
  border: 1px solid var(--pp-paper-line);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .pp-index__list a:hover {
  color: var(--flame);
  border-color: var(--flame);
}

.page-privacy .pp-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--flame);
}

@media (min-width: 960px) {
  .page-privacy .pp-index {
    position: sticky;
    top: 24px;
  }

  .page-privacy .pp-index__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .pp-index__list a {
    width: 100%;
    padding: 9px 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--pp-paper-line-soft);
    clip-path: none;
  }
}

/* 正文文档 */
.page-privacy .pp-doc {
  max-width: 46rem;
}

.page-privacy .pp-sec {
  padding: clamp(28px, 4vw, 40px) 0 clamp(24px, 3.4vw, 34px);
  border-top: 1px solid var(--pp-paper-line);
  scroll-margin-top: 80px;
}

.page-privacy .pp-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}

.page-privacy .pp-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--flame);
}

.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.36;
  letter-spacing: -0.01em;
}

.page-privacy .pp-doc p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-900);
}

.page-privacy .pp-doc p a {
  color: var(--flame);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 分类说明列表 */
.page-privacy .pp-facts {
  margin: 6px 0 0;
}

.page-privacy .pp-facts__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pp-paper-line-soft);
}

.page-privacy .pp-facts dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .pp-facts dt::before {
  content: "";
  flex: 0 0 auto;
  width: 12px;
  height: 2px;
  background: var(--flame);
}

.page-privacy .pp-facts dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(10, 14, 20, 0.76);
}

@media (min-width: 720px) {
  .page-privacy .pp-facts__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 18px 0;
  }
}

/* 条目列表 */
.page-privacy .pp-list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(10, 14, 20, 0.8);
}

.page-privacy .pp-list li strong {
  color: var(--ink-900);
  font-weight: 700;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--flame);
}

/* 强调说明 */
.page-privacy .pp-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--cyan-deep);
  background: rgba(11, 124, 140, 0.07);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(10, 14, 20, 0.82);
}

/* 权利卡 */
.page-privacy .pp-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 6px 0 4px;
}

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

.page-privacy .pp-rights__item {
  padding: 16px 18px;
  background: var(--paper-hi);
  border: 1px solid var(--pp-paper-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-privacy .pp-rights__item h3 {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-privacy .pp-rights__item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: rgba(10, 14, 20, 0.74);
}

/* 联系信息 */
.page-privacy .pp-contact {
  margin: 20px 0 0;
  padding: 20px 18px;
  background: var(--ink-900);
  color: var(--paper-hi);
  border-left: 3px solid var(--flame);
}

.page-privacy .pp-contact > p {
  margin: 0 0 16px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(244, 239, 231, 0.76);
}

.page-privacy .pp-contact dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-privacy .pp-contact dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }
}

.page-privacy .pp-contact dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pp-contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--paper-hi);
  word-break: break-word;
}

/* 章节尾部 */
.page-privacy .pp-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--pp-paper-line);
}

.page-privacy .pp-outro p {
  margin: 0;
  max-width: 34rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-privacy .pp-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--ink-900);
  background: transparent;
  border: 1px solid rgba(10, 14, 20, 0.32);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .pp-backtop::before {
  content: "↑";
  font-size: 12px;
}

.page-privacy .pp-backtop:hover {
  color: var(--flame);
  border-color: var(--flame);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-brief__mark,
  .page-privacy .pp-index__list a,
  .page-privacy .pp-backtop,
  .page-privacy .crumb a {
    transition: none;
  }
}