.page-privacy {
  --pp-cut: 16px;
  --pp-line: rgba(20, 52, 92, .9);
  --pp-text: rgba(245, 248, 255, .84);
  --pp-text-dim: rgba(145, 166, 194, .92);
  position: relative;
  color: var(--white);
  background:
    radial-gradient(circle at 14% 0%, rgba(47, 125, 255, .18), transparent 44%),
    radial-gradient(circle at 86% 6%, rgba(40, 243, 225, .10), transparent 42%),
    var(--ink);
  overflow-x: clip;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(145, 166, 194, .22) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .15) 60%, transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .15) 60%, transparent);
}

/* ---------- 首屏 ---------- */
.pp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--pp-line);
}

.pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(5, 11, 24, .96) 30%, rgba(10, 26, 51, .72) 62%, rgba(5, 11, 24, .55));
  pointer-events: none;
}

.pp-hero-media {
  position: absolute;
  inset: 0;
}

.pp-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
  filter: saturate(.85);
}

.pp-hero-inner {
  position: relative;
  z-index: 2;
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
  padding: 92px 0 40px;
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: .8rem;
  color: var(--pp-text-dim);
}

.page-privacy .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(40, 243, 225, .6);
}

.page-privacy .breadcrumb-link {
  color: var(--pp-text-dim);
  text-decoration: none;
}

.page-privacy .breadcrumb-link:hover,
.page-privacy .breadcrumb-link:focus-visible {
  color: var(--cyan);
}

.page-privacy .breadcrumb-current {
  color: var(--white);
}

.page-privacy .eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cyan);
  border-left: 2px solid var(--cyan);
}

.page-privacy h1 {
  max-width: 20ch;
  margin: 0 0 18px;
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
  line-height: 1.22;
  letter-spacing: .02em;
  font-weight: 800;
}

.pp-lede {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: clamp(1rem, 2.2vw, 1.06rem);
  line-height: 1.85;
  color: var(--pp-text);
}

.pp-meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 72ch;
}

.pp-meta li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--pp-text-dim);
}

.pp-meta .mono {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--cyan);
  letter-spacing: .08em;
}

/* ---------- 布局 ---------- */
.pp-body {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
  padding: 34px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ---------- 目录 ---------- */
.pp-toc {
  min-width: 0;
}

.pp-toc-head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--steel);
}

.pp-toc-list {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.pp-toc-list li {
  flex: 0 0 auto;
}

.pp-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  font-size: .84rem;
  line-height: 1.3;
  white-space: nowrap;
  color: var(--pp-text);
  text-decoration: none;
  background: rgba(27, 47, 78, .6);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-sm);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.pp-toc-link .mono {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--cyan);
}

.pp-toc-link:hover,
.pp-toc-link:focus-visible {
  color: var(--white);
  border-color: rgba(40, 243, 225, .7);
  background: rgba(40, 243, 225, .1);
}

.pp-toc-card {
  padding: 16px;
  background: linear-gradient(150deg, rgba(27, 47, 78, .85), rgba(10, 26, 51, .9));
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-md);
}

.pp-toc-card-title {
  margin: 0 0 8px;
  font-size: .94rem;
  font-weight: 700;
  color: var(--white);
}

.pp-toc-card-text {
  margin: 0 0 14px;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--pp-text-dim);
}

.pp-toc-card .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 正文 ---------- */
.pp-doc {
  min-width: 0;
}

.pp-sec {
  padding: 26px 0 34px;
  border-top: 1px solid var(--pp-line);
}

.pp-sec:first-child {
  border-top: 0;
  padding-top: 6px;
}

.pp-sec-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 14px;
}

.pp-sec-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(40, 243, 225, .8);
  letter-spacing: .04em;
}

.page-privacy h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 1.72rem);
  line-height: 1.35;
  letter-spacing: .03em;
  font-weight: 800;
  color: var(--white);
}

.page-privacy h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
}

.page-privacy .prose {
  max-width: 70ch;
}

.page-privacy .prose p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pp-text);
}

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

/* 要点速览 */
.pp-brief {
  margin: 0 0 18px;
  padding: 0;
  background: linear-gradient(135deg, rgba(40, 243, 225, .1), rgba(27, 47, 78, .65));
  border: 1px solid rgba(40, 243, 225, .35);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) var(--r-md);
}

.pp-brief summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.pp-brief summary .mono {
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: .06em;
}

.pp-brief summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
  line-height: 1;
}

.pp-brief[open] summary::after {
  content: "\2212";
}

.pp-brief summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.pp-brief ul {
  margin: 0;
  padding: 0 16px 14px 32px;
  list-style: none;
}

.pp-brief ul li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 7px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--pp-text);
}

.pp-brief ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 信息类型清单 */
.pp-type {
  display: grid;
  gap: 10px;
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
}

.pp-type li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(27, 47, 78, .55);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
}

.pp-type-key {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--cyan);
  border: 1px solid rgba(40, 243, 225, .5);
  border-radius: 50%;
}

.pp-type h3 {
  font-size: .96rem;
}

.pp-type p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--pp-text-dim);
}

/* 使用场景卡 */
.pp-purpose {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0 4px;
}

.pp-purpose-card {
  position: relative;
  padding: 16px 18px 18px;
  background: linear-gradient(160deg, rgba(27, 47, 78, .92), rgba(10, 26, 51, .88));
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease);
}

.pp-purpose-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 3px;
  background: var(--blue);
}

.pp-purpose-card:hover {
  border-color: rgba(47, 125, 255, .7);
}

.pp-purpose-card h3 {
  font-size: .98rem;
}

.pp-purpose-need {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--orange);
}

.pp-purpose-card p:last-child {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--pp-text-dim);
}

/* 本地存储 */
.pp-store {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.pp-store li {
  padding: 14px 16px;
  background: rgba(10, 26, 51, .72);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-sm);
}

.pp-store h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .95rem;
}

.pp-store-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(40, 243, 225, .14);
}

.pp-store p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--pp-text-dim);
}

.pp-note {
  margin: 18px 0 0;
  padding: 16px 18px;
  background: rgba(47, 125, 255, .1);
  border: 1px dashed rgba(47, 125, 255, .55);
  border-radius: var(--r-md);
}

.pp-note-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--blue);
}

.pp-note p:last-child {
  margin: 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--pp-text);
}

/* 安全层级 */
.pp-layer {
  display: grid;
  gap: 0;
  margin: 18px 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.pp-layer li {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(27, 47, 78, .5);
}

.pp-layer li + li {
  border-top: 1px solid var(--pp-line);
}

.pp-layer-idx {
  flex: 0 0 auto;
  align-self: flex-start;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 3px;
}

.pp-layer h3 {
  font-size: .95rem;
}

.pp-layer p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--pp-text-dim);
}

/* 权利卡 */
.pp-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.pp-right-card {
  padding: 15px 16px;
  background: rgba(27, 47, 78, .62);
  border: 1px solid var(--pp-line);
  border-top: 2px solid rgba(40, 243, 225, .55);
  border-radius: 0 0 var(--r-sm) var(--r-sm);
}

.pp-right-card .mono {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.pp-right-card h3 {
  font-size: .95rem;
}

.pp-right-card p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--pp-text-dim);
}

/* 联系条 */
.pp-contact-bar {
  display: grid;
  gap: 0;
  margin: 20px 0 18px;
  background: linear-gradient(115deg, rgba(40, 243, 225, .14), rgba(10, 26, 51, .95) 62%);
  border: 1px solid rgba(40, 243, 225, .42);
  border-left: 4px solid var(--cyan);
  border-radius: var(--r-md);
  overflow: hidden;
}

.pp-contact-main,
.pp-contact-side {
  padding: 16px 18px;
}

.pp-contact-side {
  border-top: 1px solid rgba(40, 243, 225, .22);
}

.pp-contact-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.pp-contact-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.86rem, 2.6vw, 1.05rem);
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.pp-contact-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .88rem;
  color: var(--pp-text);
}

.pp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .pp-hero-inner {
    padding: 108px 0 52px;
  }

  .pp-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
    gap: 16px;
  }

  .pp-meta li {
    flex-direction: column;
    gap: 6px;
    padding-top: 12px;
    border-top: 1px solid rgba(40, 243, 225, .3);
  }

  .pp-purpose,
  .pp-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-contact-bar {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .pp-contact-side {
    border-top: 0;
    border-left: 1px solid rgba(40, 243, 225, .22);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (min-width: 960px) {
  .pp-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 52px;
    padding: 44px 0 88px;
  }

  .pp-toc {
    position: sticky;
    top: calc(var(--hd-h) + 26px);
  }

  .pp-toc-list {
    display: block;
    overflow: visible;
    padding: 0;
    margin-bottom: 22px;
  }

  .pp-toc-list li + li {
    margin-top: 2px;
  }

  .pp-toc-link {
    display: flex;
    width: 100%;
    padding: 10px 12px 10px 0;
    white-space: normal;
    background: none;
    border: 0;
    border-radius: 0;
    border-left: 2px solid transparent;
    padding-left: 12px;
    font-size: .86rem;
  }

  .pp-toc-link:hover,
  .pp-toc-link:focus-visible {
    background: rgba(40, 243, 225, .07);
    border-left-color: var(--cyan);
  }

  .pp-sec {
    padding: 32px 0 40px;
  }

  .pp-purpose {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-rights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1180px) {
  .page-privacy h1 {
    max-width: 24ch;
  }

  .pp-lede {
    font-size: 1.08rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-toc-link,
  .pp-purpose-card {
    transition: none;
  }
}

@media print {
  .page-privacy {
    background: #fff;
    color: #101820;
  }

  .page-privacy::before,
  .pp-hero-media,
  .pp-hero::after,
  .pp-toc-card,
  .pp-links {
    display: none;
  }

  .pp-hero,
  .pp-sec {
    border-color: #c9d2de;
  }

  .pp-hero-inner {
    padding: 0 0 16px;
  }

  .page-privacy h1,
  .page-privacy h2,
  .page-privacy h3,
  .pp-lede,
  .page-privacy .prose p,
  .pp-type p,
  .pp-purpose-card p:last-child,
  .pp-store p,
  .pp-layer p,
  .pp-right-card p {
    color: #101820;
  }

  .pp-body {
    display: block;
    width: 100%;
    padding: 0;
  }

  .pp-toc {
    position: static;
  }

  .pp-brief ul {
    display: block;
  }
}