.page-privacy {
  --privacy-hairline: rgba(199, 212, 226, 0.16);
  --privacy-hairline-soft: rgba(199, 212, 226, 0.07);
  --privacy-body-w: 720px;
  background: var(--ink-900);
  color: var(--paper-50);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 阅读进度 */
.page-privacy .privacy-progress {
  position: sticky;
  top: 0;
  z-index: 60;
  height: 3px;
  background: rgba(199, 212, 226, 0.08);
}

.page-privacy .privacy-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--amber-500), var(--celadon-400));
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-progress__bar {
    animation: privacy-read linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes privacy-read {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* 刊头 */
.page-privacy .privacy-masthead {
  position: relative;
  padding: clamp(22px, 4.5vw, 48px) 0 clamp(18px, 3.5vw, 30px);
  background-image: radial-gradient(rgba(199, 212, 226, 0.05) 1px, transparent 1px);
  background-size: 14px 14px;
}

.page-privacy .privacy-masthead .kicker {
  margin: 18px 0 0;
  color: var(--amber-500);
  font-family: var(--font-serif);
  letter-spacing: 0.14em;
  font-size: 12.5px;
}

.page-privacy .privacy-masthead h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-50);
}

.page-privacy .privacy-masthead__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--mist-200);
}

.page-privacy .privacy-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--celadon-400);
}

/* 首图 */
.page-privacy .privacy-figure {
  margin: 4px 0 clamp(26px, 4.5vw, 42px);
}

.page-privacy .privacy-figure .figure__frame {
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-privacy .privacy-figure .figure__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 620px) {
  .page-privacy .privacy-figure .figure__frame { aspect-ratio: 16 / 10; }
}

/* 双栏骨架 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-privacy .privacy-body {
  max-width: var(--privacy-body-w);
  min-width: 0;
}

/* 小节索引 —— 移动端为横向标签 */
.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--mist-200);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--privacy-hairline);
}

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

.page-privacy .privacy-index__item {
  flex: 0 0 auto;
  position: relative;
}

.page-privacy .privacy-index__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--privacy-hairline);
  border-radius: var(--radius-pill);
  color: var(--mist-200);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms ease-out, border-color 160ms ease-out, background-color 160ms ease-out;
}

.page-privacy .privacy-index__link:hover {
  color: var(--paper-50);
  border-color: var(--amber-700);
}

.page-privacy .privacy-index__link[aria-current="true"] {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(34px, 5vw, 64px);
    align-items: start;
    max-width: 1080px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--nav-h) + 24px);
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--privacy-hairline);
  }

  .page-privacy .privacy-index__link {
    display: flex;
    gap: 8px;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--mist-200);
    font-size: 14px;
    line-height: 1.5;
    white-space: normal;
  }

  .page-privacy .privacy-index__link::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 17px;
    width: 7px;
    height: 7px;
    margin-top: -3.5px;
    border-radius: 50%;
    border: 1.5px solid var(--line-strong);
    background: var(--ink-900);
    transition: background-color 160ms ease-out, border-color 160ms ease-out, transform 160ms ease-out;
  }

  .page-privacy .privacy-index__link:hover {
    color: var(--paper-50);
  }

  .page-privacy .privacy-index__link[aria-current="true"] {
    background: none;
    color: var(--amber-500);
    font-weight: 700;
  }

  .page-privacy .privacy-index__link[aria-current="true"]::before {
    background: var(--amber-500);
    border-color: var(--amber-500);
    transform: scale(1.15);
  }
}

/* 正文 */
.page-privacy .privacy-preamble {
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding-bottom: clamp(22px, 3.5vw, 30px);
  border-bottom: 1px solid var(--privacy-hairline);
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.95;
  color: var(--paper-50);
}

.page-privacy .privacy-section {
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--privacy-hairline);
  scroll-margin-top: calc(var(--nav-h) + 20px);
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber-500);
}

.page-privacy .privacy-section__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.42;
  letter-spacing: 0.005em;
  color: var(--paper-50);
}

.page-privacy .privacy-subtitle {
  margin: 22px 0 12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}

.page-privacy .privacy-clauses {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-clauses > li {
  position: relative;
  padding-left: 42px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-200);
}

.page-privacy .privacy-clause__num {
  position: absolute;
  left: 0;
  top: 3px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--celadon-400);
}

.page-privacy .privacy-clauses a {
  color: var(--paper-50);
  text-decoration: underline;
  text-decoration-color: var(--amber-700);
  text-underline-offset: 3px;
}

.page-privacy .privacy-clauses a:hover {
  color: var(--amber-500);
}

.page-privacy .privacy-clauses .mono {
  color: var(--paper-50);
  word-break: break-all;
}

.page-privacy .privacy-note {
  margin: 20px 0 0;
  padding: 12px 0 12px 18px;
  border-left: 3px solid var(--amber-500);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-50);
}

/* 结尾入口 */
.page-privacy .privacy-related {
  margin-top: clamp(28px, 4.5vw, 44px);
  padding-top: 24px;
  border-top: 1px solid var(--privacy-hairline);
}

.page-privacy .privacy-related__label {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--mist-200);
}

.page-privacy .privacy-related__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 奶油通栏 */
.page-privacy .privacy-band {
  margin: clamp(40px, 6vw, 72px) 0 0;
}

.page-privacy .privacy-band .band__text {
  max-width: 62ch;
}

.page-privacy .privacy-band .mono {
  color: var(--ink-900);
  font-weight: 700;
  word-break: break-all;
}

.page-privacy .privacy-band .btn {
  margin-top: 10px;
}

@media (max-width: 480px) {
  .page-privacy .privacy-clauses > li {
    padding-left: 34px;
    font-size: 15.5px;
  }

  .page-privacy .privacy-clause__num {
    font-size: 11.5px;
  }
}