/* ===== 数据与隐私 /data-privacy/ ===== */
.page-privacy {
  --pp-dir-w: 232px;
  --pp-sec-gap: clamp(18px, 3vw, 30px);
  color: var(--text-100);
}

/* 面包屑留白 */
.page-privacy .breadcrumbs {
  margin-top: clamp(20px, 3vw, 34px);
}

/* ---- 首屏 ---- */
.page-privacy .pp-hero {
  padding: clamp(18px, 3vw, 34px) 0 0;
  max-width: 900px;
}
.page-privacy .pp-hero__eyebrow {
  color: var(--orange-500);
  margin: 0 0 10px;
}
.page-privacy .pp-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text-100);
  margin: 0 0 16px;
}
.page-privacy .pp-hero__lead {
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: var(--mist-300);
  margin: 0;
  max-width: 46em;
}

/* 通栏氛围图 */
.page-privacy .pp-hero__figure {
  position: relative;
  margin: clamp(24px, 4vw, 42px) 0 0;
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
  overflow: hidden;
}
.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 28vw, 320px);
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}
.page-privacy .pp-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(198, 255, 74, 0.06) 0 1px, transparent 1px 4px);
}

/* ---- 目录 + 正文 ---- */
.page-privacy .pp-body {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  padding: clamp(30px, 5vw, 62px) 0 clamp(48px, 8vw, 96px);
}

.page-privacy .pp-toc {
  border: 1px solid var(--ink-700);
  background: var(--ink-900);
  padding: 16px 14px 12px;
}
.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  color: var(--mist-300);
}
.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-100);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}
.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  background: var(--ink-800);
  border-left-color: var(--lime-400);
  color: var(--lime-400);
}
.page-privacy .pp-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange-500);
}
.page-privacy .pp-toc__back {
  display: inline-block;
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist-300);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-700);
  padding-bottom: 2px;
}
.page-privacy .pp-toc__back:hover,
.page-privacy .pp-toc__back:focus-visible {
  color: var(--lime-400);
  border-bottom-color: var(--lime-400);
}

/* ---- 章节纸层 ---- */
.page-privacy .pp-sec {
  position: relative;
  background: var(--paper-50);
  color: var(--ink-950);
  border: 1px solid var(--paper-200);
  box-shadow: 6px 6px 0 rgba(23, 64, 52, 0.55);
  padding: clamp(20px, 3.2vw, 34px);
  margin-bottom: var(--pp-sec-gap);
  scroll-margin-top: 112px;
}
.page-privacy .pp-sec:last-of-type {
  margin-bottom: 0;
}
.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid var(--paper-200);
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.page-privacy .pp-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lime-600);
  border: 1px solid var(--lime-600);
  padding: 2px 6px;
}
.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--ink-950);
}
.page-privacy .pp-sec p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 40em;
}
.page-privacy .pp-sec p:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-sec p a {
  color: var(--ink-950);
  text-decoration: underline;
  text-decoration-color: var(--lime-600);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.page-privacy .pp-sec p a:hover,
.page-privacy .pp-sec p a:focus-visible {
  color: var(--lime-600);
}

/* 定义行 */
.page-privacy .pp-defs {
  margin: 14px 0 0;
}
.page-privacy .pp-def {
  display: grid;
  gap: 4px 20px;
  padding: 14px 0;
  border-top: 1px dashed var(--paper-200);
}
.page-privacy .pp-def:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pp-def dt {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-950);
}
.page-privacy .pp-def dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* 项目符号：青柠小方块 */
.page-privacy .pp-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
}
.page-privacy .pp-list li:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-list li strong {
  color: var(--ink-950);
}
.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  background: var(--lime-600);
}

/* 深色章节变体 */
.page-privacy .pp-sec--ink {
  background: var(--ink-900);
  border-color: var(--ink-700);
  box-shadow: 6px 6px 0 rgba(4, 20, 15, 0.7);
}
.page-privacy .pp-sec--ink .pp-sec__head {
  border-bottom-color: var(--ink-700);
}
.page-privacy .pp-sec--ink .pp-sec__num {
  color: var(--lime-400);
  border-color: var(--lime-400);
}
.page-privacy .pp-sec--ink h2 {
  color: var(--text-100);
}
.page-privacy .pp-sec--ink p {
  color: var(--mist-300);
}
.page-privacy .pp-sec--ink .pp-list {
  margin-top: 8px;
}
.page-privacy .pp-sec--ink .pp-list li {
  color: var(--mist-300);
}
.page-privacy .pp-sec--ink .pp-list li strong {
  color: var(--lime-400);
}
.page-privacy .pp-sec--ink .pp-list li::before {
  background: var(--lime-400);
}

/* 邮箱强调 */
.page-privacy .pp-mail {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-950);
  background: var(--orange-200);
  padding: 1px 5px;
  white-space: nowrap;
}

/* ---- 信息流向示意图 ---- */
.page-privacy .pp-flow-scroll {
  margin: 6px 0 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .pp-flow {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}
.page-privacy .pp-flow text {
  font-family: var(--font-sans);
  font-size: 15px;
  fill: var(--ink-950);
}
.page-privacy .pp-flow__src-t {
  fill: var(--lime-400);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
}
.page-privacy .pp-flow__src {
  fill: var(--ink-900);
  stroke: var(--ink-700);
  stroke-width: 1.2;
}
.page-privacy .pp-flow__box {
  fill: #EAF4EE;
  stroke: var(--ink-700);
  stroke-width: 1.2;
}
.page-privacy .pp-flow__line {
  fill: none;
  stroke: var(--lime-600);
  stroke-width: 1.4;
}

/* ---- 页尾双锚点 ---- */
.page-privacy .pp-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: 20px;
  border-top: 1px solid var(--ink-700);
}

/* ---- 宽屏：左栏吸顶目录 + 右栏手册正文 ---- */
@media (min-width: 940px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-dir-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: 104px;
    max-height: calc(100vh - 132px);
    overflow-y: auto;
  }
  .page-privacy .pp-sec:nth-of-type(even) {
    margin-left: clamp(0px, 2.2vw, 26px);
  }
}

/* ---- 中屏：目录折叠为网格 ---- */
@media (max-width: 939px) {
  .page-privacy .pp-toc__list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  .page-privacy .pp-flow {
    min-width: 0;
  }
}

/* ---- 小屏：定义行改单列，按钮铺开 ---- */
@media (max-width: 659px) {
  .page-privacy .pp-sec {
    box-shadow: 4px 4px 0 rgba(23, 64, 52, 0.5);
  }
  .page-privacy .pp-foot .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (min-width: 660px) {
  .page-privacy .pp-def {
    grid-template-columns: 148px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-toc__back {
    transition: none;
  }
}