.page-privacy {
  --pp-hair: 1px solid rgba(143, 167, 154, 0.28);
  --pp-hair-strong: 2px solid var(--black);
  --pp-pad: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-privacy .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(28px, 5vw, 56px);
  border-bottom: var(--pp-hair);
}

.page-privacy .doc-hero__text h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .doc-hero__text .lede {
  margin: 18px 0 0;
  max-width: 42em;
  color: var(--gray);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
}

.page-privacy .doc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-privacy .doc-hero__media {
  margin: 0;
}

@media (min-width: 900px) {
  .page-privacy .doc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 骨架：目录 + 正文 ---------- */
.page-privacy .doc-shell {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(28px, 5vw, 56px);
}

@media (min-width: 1000px) {
  .page-privacy .doc-shell {
    grid-template-columns: 218px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 左侧锚点目录 ---------- */
.page-privacy .doc-toc {
  border: var(--pp-hair-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  padding: 16px 14px;
}

@media (min-width: 1000px) {
  .page-privacy .doc-toc {
    position: sticky;
    top: 104px;
  }
}

.page-privacy .doc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--neon);
}

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

.page-privacy .doc-toc__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .doc-toc__link:hover,
.page-privacy .doc-toc__link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(198, 255, 79, 0.07);
  outline: none;
}

.page-privacy .doc-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: -0.02em;
}

.page-privacy .doc-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--pp-hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-privacy .doc-toc__note a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px dashed rgba(198, 255, 79, 0.5);
}

@media (max-width: 999px) {
  .page-privacy .doc-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-privacy .doc-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 正文条目 ---------- */
.page-privacy .doc-body {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-privacy .doc-sec {
  position: relative;
  padding: clamp(28px, 4vw, 48px) 0;
  border-top: var(--pp-hair);
}

.page-privacy .doc-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .doc-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-privacy .doc-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--neon);
}

.page-privacy .doc-sec__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.8vw, 1.85rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .doc-sec__content {
  max-width: 68ch;
}

.page-privacy .doc-sec__content > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--gray);
}

.page-privacy .doc-sec__content a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 79, 0.45);
}

.page-privacy .doc-sec__content a:hover {
  border-bottom-color: var(--neon);
}

.page-privacy .doc-sec:target .doc-sec__num {
  color: var(--yellow);
}

.page-privacy .doc-sec:target .doc-sec__title {
  color: var(--yellow);
}

/* ---------- 纸色底区块 ---------- */
.page-privacy .doc-sec--paper {
  background: var(--paper);
  border-top: 0;
  padding: clamp(26px, 4vw, 44px) var(--pp-pad);
  box-shadow: var(--shadow);
}

.page-privacy .doc-sec--paper .doc-sec__num {
  color: var(--ink);
}

.page-privacy .doc-sec--paper .doc-sec__title {
  color: var(--black);
}

.page-privacy .doc-sec--paper .doc-sec__content > p {
  color: #35504A;
}

.page-privacy .doc-sec--paper .doc-sec__content a {
  color: var(--ink);
  border-bottom-color: rgba(11, 31, 23, 0.45);
}

/* ---------- 关键说明 ---------- */
.page-privacy .mark-note {
  margin: 22px 0 16px;
  padding: 14px 0 14px 18px;
  border-left: 6px solid var(--neon);
  background: rgba(198, 255, 79, 0.07);
  color: var(--paper) !important;
  font-size: 15.5px !important;
  line-height: 1.85 !important;
}

.page-privacy .doc-sec--paper .mark-note {
  border-left-color: var(--ink);
  background: rgba(11, 31, 23, 0.08);
  color: var(--ink) !important;
}

/* ---------- 条目列表 ---------- */
.page-privacy .doc-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .doc-list li {
  padding: 14px 0;
  border-bottom: var(--pp-hair);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gray);
}

.page-privacy .doc-list li:first-child {
  border-top: var(--pp-hair);
}

.page-privacy .doc-list__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

/* ---------- 用途四格 ---------- */
.page-privacy .use-grid {
  display: grid;
  gap: var(--gap);
  margin-top: 8px;
}

@media (min-width: 720px) {
  .page-privacy .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .use-item {
  position: relative;
  border: var(--pp-hair-strong);
  background: var(--ink-3);
  box-shadow: var(--shadow);
  padding: 18px 18px 20px;
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-privacy .use-item:hover {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: var(--shadow-lg);
}

.page-privacy .use-item__idx {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--neon);
}

.page-privacy .use-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .use-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 本地存储三项 ---------- */
.page-privacy .store-grid {
  display: grid;
  gap: 0;
  margin-bottom: 4px;
}

.page-privacy .store-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(11, 31, 23, 0.22);
}

.page-privacy .store-item:first-child {
  border-top: 1px solid rgba(11, 31, 23, 0.22);
}

.page-privacy .store-item__name {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .store-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #35504A;
}

/* ---------- 保留期限 ---------- */
.page-privacy .retention-list {
  border-top: var(--pp-hair);
  margin-bottom: 8px;
}

.page-privacy .retention-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 16px;
  align-items: baseline;
  padding: 16px 0 14px;
  border-bottom: var(--pp-hair);
}

.page-privacy .retention-row__label {
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .retention-row__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--neon);
  white-space: nowrap;
}

.page-privacy .retention-row__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 互认边界 ---------- */
.page-privacy .boundary-box {
  display: grid;
  gap: 0;
  margin: 8px 0 20px;
  border: var(--pp-hair-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow);
}

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

.page-privacy .boundary-box__side {
  padding: 20px 18px;
  border-left: 6px solid var(--neon);
}

.page-privacy .boundary-box__side--off {
  border-left-color: var(--red);
  border-top: var(--pp-hair);
}

@media (min-width: 700px) {
  .page-privacy .boundary-box__side--off {
    border-top: 0;
    border-left: 6px solid var(--red);
  }
}

.page-privacy .boundary-box__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--neon);
}

.page-privacy .boundary-box__side--off .boundary-box__title {
  color: var(--red);
}

.page-privacy .boundary-box__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .boundary-box__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-privacy .boundary-box__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 2px;
  background: var(--neon);
}

.page-privacy .boundary-box__side--off .boundary-box__list li::before {
  background: var(--red);
}

/* ---------- 联系渠道 ---------- */
.page-privacy .reach-grid {
  display: grid;
  gap: var(--gap);
  margin-bottom: 20px;
}

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

@media (min-width: 980px) {
  .page-privacy .reach-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .reach-block--wide {
    grid-column: span 1;
  }
}

.page-privacy .reach-block {
  border: 2px solid var(--ink);
  background: rgba(255, 255, 255, 0.42);
  padding: 16px 16px 18px;
}

.page-privacy .reach-block__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink);
}

.page-privacy .reach-block__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
  word-break: break-word;
}

.page-privacy .reach-block__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #35504A;
}

.page-privacy .doc-address {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #35504A;
}

/* ---------- 返回目录 ---------- */
.page-privacy .doc-sec__back {
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px dashed rgba(143, 167, 154, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .doc-sec__back:hover,
.page-privacy .doc-sec__back:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

.page-privacy .doc-sec--paper .doc-sec__back {
  color: var(--ink);
  border-bottom-color: rgba(11, 31, 23, 0.35);
}

.page-privacy .doc-sec--paper .doc-sec__back:hover {
  color: var(--black);
  border-bottom-color: var(--black);
}

/* ---------- 半场线收束 ---------- */
.page-privacy .doc-end {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-privacy .doc-end svg {
  display: block;
  width: 100%;
  height: clamp(48px, 7vw, 90px);
}

.page-privacy .doc-end line {
  stroke: rgba(143, 167, 154, 0.4);
  stroke-width: 2;
}

.page-privacy .doc-end circle {
  fill: none;
  stroke: var(--neon);
  stroke-width: 2;
  opacity: 0.75;
}

/* ---------- 相关页面 ---------- */
.page-privacy .doc-next {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(24px, 3vw, 36px);
}

@media (min-width: 760px) {
  .page-privacy .doc-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .doc-next__link {
  display: grid;
  gap: 6px;
  padding: 16px 16px 18px;
  border: var(--pp-hair-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-privacy .doc-next__link:hover,
.page-privacy .doc-next__link:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.page-privacy .doc-next__link span {
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .doc-next__link b {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--neon);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 640px) {
  .page-privacy .doc-sec__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-privacy .retention-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .retention-row__value {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .use-item,
  .page-privacy .doc-next__link {
    transition: none;
  }

  .page-privacy .use-item:hover,
  .page-privacy .doc-next__link:hover {
    transform: none;
  }
}