.page-privacy {
  --pw-measure: 46rem;
  --pw-flow: clamp(28px, 4vw, 56px);
  --pw-hair: rgba(30, 53, 80, 0.75);
  position: relative;
  padding-bottom: clamp(64px, 9vw, 140px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-block: clamp(32px, 5vw, 68px) clamp(24px, 3.5vw, 44px);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 78%;
  background:
    radial-gradient(58% 62% at 18% 0%, rgba(53, 240, 208, 0.13), transparent 70%),
    radial-gradient(52% 54% at 92% 8%, rgba(76, 107, 179, 0.2), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .privacy-hero .annotation {
  display: block;
  writing-mode: horizontal-tb;
  transform: none;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-size: clamp(2rem, 5.4vw, 4.4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ice);
  max-width: 22ch;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 40ch;
  color: var(--muted);
  font-weight: 300;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.95;
}

.page-privacy .privacy-threads {
  position: absolute;
  right: -6%;
  top: 8%;
  width: min(520px, 52%);
  height: auto;
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
}

@media (max-width: 820px) {
  .page-privacy .privacy-threads {
    display: none;
  }
}

.page-privacy .privacy-banner {
  position: relative;
  margin: clamp(28px, 4.5vw, 56px) 0 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(12, 27, 46, 0.85), rgba(6, 17, 31, 0.4));
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 17, 31, 0) 42%, rgba(6, 17, 31, 0.62) 100%);
  pointer-events: none;
}

/* ---------- 版式骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pw-flow);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-privacy .privacy-flow {
  min-width: 0;
  max-width: var(--pw-measure);
}

/* ---------- 章节索引（窄屏：横向粘顶） ---------- */
.page-privacy .privacy-index {
  position: sticky;
  top: 60px;
  z-index: 6;
  margin: 0 calc(var(--gutter) * -1);
  padding: 12px var(--gutter);
  background: rgba(6, 17, 31, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-index .side-index__title {
  display: none;
}

.page-privacy .privacy-index .side-index__list {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .privacy-index .side-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-index .side-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
  padding-bottom: 3px;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-index .side-index__link:hover,
.page-privacy .privacy-index .side-index__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-index .side-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  opacity: 0.8;
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 104px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 128px;
    margin: 0;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 0;
  }

  .page-privacy .privacy-index .side-index__title {
    display: block;
    margin: 0 0 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--muted);
    opacity: 0.75;
  }

  .page-privacy .privacy-index .side-index__list {
    display: block;
    overflow: visible;
  }

  .page-privacy .privacy-index .side-index__list li + li {
    margin-top: 14px;
  }

  .page-privacy .privacy-index .side-index__link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 14px;
    padding-left: 12px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
  }

  .page-privacy .privacy-index .side-index__link:hover,
  .page-privacy .privacy-index .side-index__link[aria-current="true"] {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }
}

/* ---------- 章节 ---------- */
.page-privacy .psec {
  position: relative;
  padding-block: clamp(36px, 5vw, 68px);
}

.page-privacy .psec:first-child {
  padding-top: 0;
}

.page-privacy .psec + .psec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--line) 22%, var(--line) 68%, transparent 100%);
  opacity: 0.45;
}

.page-privacy .psec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

.page-privacy .psec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .psec__head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.9vw, 2rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-privacy .psec .prose {
  margin: 0 0 clamp(20px, 3vw, 32px);
  color: var(--muted);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.95;
}

.page-privacy .term {
  color: var(--ice);
  border-bottom: 1px dashed rgba(53, 240, 208, 0.5);
  cursor: help;
}

/* ---------- 01 信息分类 ---------- */
.page-privacy .pinfo {
  margin: 0;
  display: grid;
}

.page-privacy .pinfo__item {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--pw-hair);
}

.page-privacy .pinfo__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pinfo dt {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice);
}

.page-privacy .pinfo dd {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-privacy .pinfo__item {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }
}

/* ---------- 02 用途 ---------- */
.page-privacy .purposes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .purpose {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(160deg, rgba(12, 27, 46, 0.9), rgba(6, 17, 31, 0.5));
}

.page-privacy .purpose__key {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-privacy .purpose__key::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--cyan);
}

.page-privacy .purpose p {
  margin: 0;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.88;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-privacy .purposes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 03 开关 ---------- */
.page-privacy .switches {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .switch-row {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--pw-hair);
}

.page-privacy .switch-row__name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.page-privacy .switch-row__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(53, 240, 208, 0.55);
}

.page-privacy .switch-row p {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-privacy .switch-row {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }
}

/* ---------- 04 保留与删除 ---------- */
.page-privacy .retention {
  list-style: none;
  margin: 0 0 clamp(24px, 3.5vw, 40px);
  padding: 0;
}

.page-privacy .retention li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(30, 53, 80, 0.85);
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .retention li:last-child {
  border-bottom: 0;
}

.page-privacy .retention__k {
  font-weight: 300;
  color: var(--muted);
}

.page-privacy .retention__v {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .request {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(150deg, rgba(76, 107, 179, 0.16), rgba(6, 17, 31, 0.35) 62%);
}

.page-privacy .request::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3vw, 30px);
  width: 54px;
  height: 2px;
  background: var(--signal);
}

.page-privacy .request__lead {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.9;
  color: var(--ice);
}

.page-privacy .request__copy {
  margin-bottom: 18px;
}

.page-privacy .request__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-privacy .request__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .request__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.85;
}

.page-privacy .request__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pw-hair);
  font-size: 13.5px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 05 本地安装包 ---------- */
.page-privacy .local-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .local-notes li {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--pw-hair);
}

.page-privacy .local-notes li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .local-notes__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .local-notes p {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-privacy .local-notes li {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }
}

/* ---------- 延伸阅读 ---------- */
.page-privacy .privacy-next {
  margin-top: clamp(44px, 6vw, 84px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-next__label {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--muted);
  opacity: 0.75;
}

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

.page-privacy .privacy-next__link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(160deg, rgba(12, 27, 46, 0.8), rgba(6, 17, 31, 0.4));
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-privacy .privacy-next__link span {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-next__link:hover,
.page-privacy .privacy-next__link:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

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

@media (min-width: 1100px) {
  .page-privacy .privacy-next {
    max-width: var(--pw-measure);
  }
}