.page-privacy {
  --pp-ink: #10192A;
  --pp-ink-soft: #4B5768;
  --pp-line-soft: rgba(11, 21, 36, 0.14);
  background: var(--ink-900);
  color: var(--white);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(72% 110% at 84% 0%, rgba(47, 240, 208, 0.14), transparent 62%),
    radial-gradient(56% 90% at 0% 100%, rgba(255, 90, 43, 0.10), transparent 60%),
    var(--ink-900);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 64, 95, 0.36) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 64, 95, 0.36) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(82% 82% at 52% 26%, #000 18%, transparent 100%);
  mask-image: radial-gradient(82% 82% at 52% 26%, #000 18%, transparent 100%);
  pointer-events: none;
}

.page-privacy .pp-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-hero__crumbs {
  margin-bottom: clamp(20px, 3.6vw, 34px);
}

.page-privacy .pp-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-privacy .pp-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.06;
  font-size: clamp(32px, 5.4vw, 66px);
  color: var(--white);
  max-width: 17ch;
}

.page-privacy .pp-hero__lead {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.72;
  color: var(--steel);
}

.page-privacy .pp-hero__facts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-hero__facts li {
  border-left: 2px solid var(--cyan);
  padding: 6px 0 6px 13px;
}

.page-privacy .pp-hero__facts-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pp-hero__facts-val {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
}

.page-privacy .pp-hero__figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%);
}

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

@media (min-width: 620px) {
  .page-privacy .pp-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }
}

/* ---------- 纸面正文 ---------- */
.page-privacy .pp-body {
  background: var(--paper);
  color: var(--pp-ink);
  padding: clamp(34px, 5vw, 72px) 0 clamp(46px, 6vw, 92px);
}

.page-privacy .pp-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

/* 章节目录 */
.page-privacy .pp-toc__box {
  border: 1px solid var(--pp-line-soft);
  background: rgba(222, 212, 196, 0.55);
  padding: 14px 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .pp-toc__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 2px 0;
}

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

.page-privacy .pp-toc__summary::after {
  content: "＋";
  font-size: 14px;
  line-height: 1;
}

.page-privacy .pp-toc__box[open] .pp-toc__summary::after {
  content: "－";
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  min-height: 40px;
  text-decoration: none;
  color: var(--pp-ink);
  font-size: 14px;
  line-height: 1.45;
  border-left: 2px solid transparent;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-privacy .pp-toc__link:hover {
  background: rgba(11, 122, 106, 0.08);
  border-left-color: var(--teal);
  color: var(--teal);
}

.page-privacy .pp-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

/* 章节 */
.page-privacy .pp-content {
  display: grid;
  gap: clamp(30px, 4.6vw, 58px);
}

.page-privacy .pp-chapter {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pp-chapter + .pp-chapter::before {
  content: "";
  display: block;
  width: 76px;
  height: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
  background: repeating-linear-gradient(102deg, rgba(11, 122, 106, 0.45) 0 2px, transparent 2px 7px);
}

.page-privacy .pp-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pp-chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--flame);
}

.page-privacy .pp-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  font-size: clamp(21px, 2.6vw, 31px);
  color: var(--pp-ink);
}

.page-privacy .pp-content p {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

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

/* 三类数据卡片 */
.page-privacy .pp-cards {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.page-privacy .pp-card {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--pp-line-soft);
  padding: 18px 18px 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

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

.page-privacy .pp-card__title {
  margin: 8px 0 9px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--pp-ink);
}

.page-privacy .pp-card p {
  margin: 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.72;
}

/* 用途列表 */
.page-privacy .pp-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 26px;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.74;
  color: var(--pp-ink-soft);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--flame);
  transform: rotate(45deg);
}

/* 提醒标签 */
.page-privacy .pp-chips {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .pp-chips .tag {
  font-size: 13px;
  padding: 6px 12px;
}

/* 保存周期 */
.page-privacy .pp-keep {
  margin: 4px 0 0;
}

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

.page-privacy .pp-keep__row:last-child {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-privacy .pp-keep dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--flame);
}

.page-privacy .pp-keep dd {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--pp-ink-soft);
}

/* 可调整项说明牌 */
.page-privacy .pp-board {
  margin-top: 8px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-800);
  border-top: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%);
}

.page-privacy .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pp-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pp-step:last-child {
  padding-bottom: 0;
}

.page-privacy .pp-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  line-height: 1;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 5px 8px;
}

.page-privacy .pp-step__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-privacy .pp-step__path {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-privacy .pp-step__path b {
  color: var(--amber);
  font-weight: 600;
}

/* 继续了解 */
.page-privacy .pp-links {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.page-privacy .pp-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  min-height: 48px;
  text-decoration: none;
  font-size: 15px;
  color: var(--pp-ink);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--pp-line-soft);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-privacy .pp-links a::after {
  content: "→";
  flex: none;
  color: var(--teal);
}

.page-privacy .pp-links a:hover {
  border-color: var(--teal);
  background: rgba(11, 122, 106, 0.09);
}

/* ---------- 底部条 ---------- */
.page-privacy .pp-foot {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  padding: clamp(26px, 4vw, 44px) 0;
}

.page-privacy .pp-foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-privacy .pp-foot__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-privacy .pp-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-privacy .pp-backtop:hover {
  border-color: var(--cyan);
  background: rgba(47, 240, 208, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pp-keep__row {
    grid-template-columns: minmax(140px, 180px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-privacy .pp-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-body__grid {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-privacy .pp-toc__summary::after {
    display: none;
  }

  .page-privacy .pp-chapter:nth-child(even) {
    margin-left: clamp(16px, 3vw, 44px);
  }
}
</