.page-privacy {
  --priv-gutter: clamp(18px, 4vw, 40px);
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  isolation: isolate;
  padding: 24px 0 34px;
  overflow: hidden;
}

.page-privacy .priv-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -26%;
  width: 80%;
  height: 152%;
  background: linear-gradient(155deg, rgba(18, 212, 106, .20), rgba(47, 168, 255, .10) 52%, rgba(10, 13, 11, 0) 78%);
  transform: skewX(-12deg);
  pointer-events: none;
  z-index: -1;
}

.page-privacy .priv-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .priv-hero__grid {
  display: grid;
  gap: 30px;
}

.page-privacy .priv-hero__copy h1 {
  margin: 10px 0 18px;
  font-size: clamp(30px, 6.6vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-privacy .priv-hero__copy .lede {
  max-width: 62ch;
  color: var(--white);
}

.page-privacy .priv-hero__panel {
  position: relative;
  padding: 24px 22px;
  background: var(--panel);
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-privacy .priv-hero__panel::after {
  content: "";
  position: absolute;
  inset: -3px -3px auto auto;
  width: 58px;
  height: 58px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-privacy .priv-hero__panel-k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green);
}

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

.page-privacy .priv-hero__list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-privacy .priv-hero__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .priv-hero__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-privacy .priv-hero__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* 章节跳转 */
.page-privacy .priv-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 3px solid var(--line);
}

.page-privacy .priv-toc a {
  display: inline-block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
  color: var(--white);
  background: var(--panel);
  border: 2px solid var(--line);
  transition: color var(--ease), border-color var(--ease), transform var(--ease);
}

.page-privacy .priv-toc a:hover,
.page-privacy .priv-toc a:focus-visible {
  color: var(--green);
  border-color: var(--green);
  transform: translateY(-2px);
}

/* ---------- 摘要条 ---------- */
.page-privacy .priv-strip-band {
  padding: 0 0 8px;
}

.page-privacy .priv-strip {
  position: relative;
  padding: 24px 22px 26px;
  border-left: 10px solid var(--green);
  color: var(--ink);
}

.page-privacy .priv-strip__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-privacy .priv-strip__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .priv-strip__grid li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid rgba(10, 13, 11, .18);
}

.page-privacy .priv-strip__grid li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .priv-strip__tag {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--ink);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-privacy .priv-strip__grid p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 首图 ---------- */
.page-privacy .priv-figure-band {
  padding: 34px 0 10px;
}

.page-privacy .priv-figure {
  margin: 0;
}

.page-privacy .priv-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-privacy .priv-figure .media__caption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 正文章节 ---------- */
.page-privacy .priv-body {
  padding: 26px 0 48px;
}

.page-privacy .priv-block {
  padding: 36px 0 38px;
  border-top: 3px solid var(--line);
}

.page-privacy .priv-block:first-of-type {
  border-top-color: var(--green);
}

.page-privacy .priv-block__grid {
  display: grid;
  gap: 14px;
}

.page-privacy .priv-block__rail .section-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--green);
  padding-bottom: 6px;
  border-bottom: 3px solid var(--line);
}

.page-privacy .priv-block__main h2 {
  margin: 0 0 16px;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-privacy .priv-block__main .prose {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--white);
}

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

.page-privacy .priv-block__main .prose a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 字段化数据行 */
.page-privacy .data-list {
  margin: 8px 0 20px;
  border-top: 2px solid var(--line);
}

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

.page-privacy .data-row__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--green);
}

.page-privacy .data-row__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
}

/* 用途卡片 */
.page-privacy .priv-uses {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .priv-uses li {
  padding: 16px 18px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-left-width: 8px;
  border-left-color: var(--green);
}

.page-privacy .priv-uses li:nth-child(2) {
  border-left-color: var(--blue);
}

.page-privacy .priv-uses li:nth-child(3) {
  border-left-color: var(--neon);
}

.page-privacy .priv-uses li:nth-child(4) {
  border-left-color: var(--orange);
}

.page-privacy .priv-uses__k {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-privacy .priv-uses p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
}

/* 操作步骤 */
.page-privacy .priv-steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: priv-step;
}

.page-privacy .priv-steps li {
  position: relative;
  counter-increment: priv-step;
  padding: 18px 0 18px 46px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-steps li:first-child {
  border-top: 2px solid var(--line);
}

.page-privacy .priv-steps li::before {
  content: counter(priv-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--neon);
}

.page-privacy .priv-steps h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--green);
}

.page-privacy .priv-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
}

/* 折叠说明 */
.page-privacy .priv-details {
  margin-top: 22px;
  background: var(--panel);
  border: 3px solid var(--line);
}

.page-privacy .priv-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--neon);
}

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

.page-privacy .priv-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--green);
}

.page-privacy .priv-details[open] summary::after {
  content: "−";
}

.page-privacy .priv-details summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -4px;
}

.page-privacy .priv-details__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-details__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--white);
}

/* 相关链接 */
.page-privacy .priv-links {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .priv-links a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .priv-links a:hover,
.page-privacy .priv-links a:focus-visible {
  color: var(--green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .priv-strip__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-privacy .priv-strip__grid li:nth-child(2) {
    padding-top: 0;
    border-top: 0;
  }

  .page-privacy .data-row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

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

@media (min-width: 880px) {
  .page-privacy .priv-hero {
    padding: 34px 0 46px;
  }

  .page-privacy .priv-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .page-privacy .priv-hero__panel {
    margin-bottom: 6px;
  }

  .page-privacy .priv-block {
    padding: 44px 0 46px;
  }

  .page-privacy .priv-block__grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 36px;
  }

  .page-privacy .priv-block__rail .section-num {
    font-size: 30px;
  }

  .page-privacy .priv-strip__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .priv-strip__grid li:nth-child(3) {
    padding-top: 0;
    border-top: 0;
  }
}

@media (min-width: 1120px) {
  .page-privacy .priv-body .container {
    max-width: 1080px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-toc a {
    transition: none;
  }
}