.page-privacy {
  display: block;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(20px, 4vw, 40px) clamp(16px, 4vw, 40px) clamp(56px, 8vw, 96px);
  color: var(--text);
  font-family: var(--font-sans);
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}
.page-privacy .breadcrumb li {
  display: flex;
  align-items: center;
}
.page-privacy .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-privacy .breadcrumb a {
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 标题区 ---------- */
.page-privacy .lede {
  position: relative;
  margin-top: clamp(20px, 4vw, 44px);
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: 2px solid var(--line);
}
.page-privacy .lede__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(16px, 3vw, 28px);
}
.page-privacy .lede__code {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}
.page-privacy .lede__title {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-size: clamp(38px, 9vw, 82px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.page-privacy .lede__line {
  display: block;
}
.page-privacy .lede__note {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mint);
}
.page-privacy .lede__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--text-mute);
}

/* ---------- 视觉停顿 ---------- */
.page-privacy .privacy-visual {
  margin: clamp(28px, 5vw, 52px) 0 0;
}
.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 2px solid var(--line);
  box-shadow: 10px 10px 0 0 rgba(33, 243, 224, 0.18);
}
.page-privacy .privacy-visual figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

/* ---------- 章节索引 + 条款正文 ---------- */
.page-privacy .terms {
  margin-top: clamp(32px, 6vw, 68px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}
.page-privacy .terms__index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-mute);
}
.page-privacy .terms__index ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .terms__index a {
  display: block;
  padding: 7px 11px;
  border: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease),
    background-color 0.25s var(--ease);
}
.page-privacy .terms__index a:hover,
.page-privacy .terms__index a:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
}
.page-privacy .terms__index a.is-active {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink-900);
}

/* ---------- 条款 ---------- */
.page-privacy .terms__body {
  min-width: 0;
}
.page-privacy .clause {
  scroll-margin-top: 120px;
  padding: clamp(20px, 3vw, 30px) 0 0;
  margin-top: clamp(26px, 4.5vw, 48px);
  border-top: 1px solid rgba(255, 106, 43, 0.45);
  transition: background-color 0.3s var(--ease);
}
.page-privacy .clause:first-child {
  margin-top: 0;
}
.page-privacy .clause__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-privacy .clause__num {
  flex: none;
  padding: 3px 8px;
  border: 2px solid var(--mint);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--mint);
}
@media (hover: hover) {
  .page-privacy .clause:has(.clause__num:hover) {
    background: linear-gradient(
      90deg,
      rgba(33, 243, 224, 0.07),
      rgba(123, 77, 255, 0.05) 55%,
      transparent 85%
    );
  }
}
.page-privacy .clause__body p {
  margin: 0 0 14px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-mute);
}
.page-privacy .clause__body p:last-child {
  margin-bottom: 0;
}
.page-privacy .clause__body a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 243, 224, 0.45);
  transition: border-color 0.25s var(--ease);
}
.page-privacy .clause__body a:hover,
.page-privacy .clause__body a:focus-visible {
  border-bottom-color: var(--mint);
}

/* ---------- 场景列表 ---------- */
.page-privacy .clause__list {
  display: grid;
  gap: 16px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}
.page-privacy .clause__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}
.page-privacy .clause__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-privacy .clause__text {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-mute);
}

/* ---------- 折叠说明 ---------- */
.page-privacy .clause details {
  margin-top: 16px;
  border: 2px solid var(--line);
  background: var(--ink-800);
}
.page-privacy .clause summary {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mint);
  cursor: pointer;
  list-style: none;
}
.page-privacy .clause summary::-webkit-details-marker {
  display: none;
}
.page-privacy .clause summary::before {
  content: "+ ";
  color: var(--orange);
}
.page-privacy .clause details[open] summary::before {
  content: "– ";
}
.page-privacy .clause details p {
  margin: 0;
  padding: 0 14px 14px;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-mute);
}

/* ---------- 进入视口渐显 ---------- */
.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.page-privacy [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
.page-privacy [data-reveal][data-reveal-delay="1"] {
  transition-delay: 0.09s;
}

/* ---------- 桌面端排版 ---------- */
@media (min-width: 640px) {
  .page-privacy .clause__item {
    grid-template-columns: 78px 1fr;
    gap: 18px;
    align-items: start;
  }
  .page-privacy .clause__key {
    padding-top: 5px;
  }
}

@media (min-width: 900px) {
  .page-privacy .lede {
    padding-right: 76px;
  }
  .page-privacy .lede__note {
    position: absolute;
    top: 96px;
    right: 6px;
    margin: 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }
}

@media (min-width: 1000px) {
  .page-privacy .terms {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
  .page-privacy .terms__index {
    position: sticky;
    top: 118px;
  }
  .page-privacy .terms__index ul {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
  .page-privacy .terms__index a {
    border: none;
    border-left: 2px solid var(--line);
    padding: 8px 0 8px 14px;
    background: none;
  }
  .page-privacy .terms__index a.is-active {
    background: none;
    border-left-color: var(--mint);
    color: var(--mint);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-privacy .clause,
  .page-privacy .terms__index a {
    transition: none;
  }
}