.page-privacy {
  --privacy-rule: rgba(11, 27, 58, 0.07);
  display: block;
  background-color: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 开场 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(36px, 7vw, 84px) 0 clamp(26px, 4vw, 44px);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--privacy-rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--privacy-rule) 1px, transparent 1px);
  background-size: 72px 72px;
  overflow: hidden;
}

.page-privacy .privacy-hero .shell {
  position: relative;
}

.page-privacy .privacy-hero .shell::after {
  content: "";
  display: block;
  margin-top: clamp(26px, 4vw, 46px);
  height: 1px;
  background-image: linear-gradient(to right, var(--cyan) 0 68px, var(--hairline) 68px 100%);
}

.page-privacy .privacy-hero .eyebrow {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .privacy-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 640px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 横幅 ---------- */
.page-privacy .privacy-banner {
  display: block;
  margin: 0;
  line-height: 0;
  background-color: var(--paper);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-content {
  padding: clamp(38px, 6vw, 88px) 0 clamp(56px, 8vw, 110px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
}

/* ---------- 锚点目录 ---------- */
.page-privacy .privacy-toc {
  min-width: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-toc .label-caps {
  margin: 0;
  color: var(--cyan-deep);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.page-privacy .privacy-toc__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
}

.page-privacy .privacy-toc__link::before {
  content: "";
  display: none;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--ink);
}

/* ---------- 文章列 ---------- */
.page-privacy .privacy-articles {
  min-width: 0;
  max-width: 720px;
}

.page-privacy .privacy-section {
  scroll-margin-top: 104px;
  padding: clamp(26px, 3.6vw, 44px) 0;
  border-top: 1px solid var(--hairline);
}

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

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  opacity: 0.5;
  transition: opacity var(--speed-fast) var(--ease),
              color var(--speed-fast) var(--ease),
              transform var(--speed-fast) var(--ease);
}

.page-privacy .privacy-section:hover .privacy-num,
.page-privacy .privacy-section:focus-within .privacy-num {
  opacity: 1;
  color: var(--signal);
  transform: translateX(3px);
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.4vw, 27px);
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--ink);
}

.page-privacy .privacy-section p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--black);
}

.page-privacy .privacy-section p:last-child {
  margin-bottom: 0;
}

/* ---------- 规则清单 ---------- */
.page-privacy .privacy-rule-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-rule-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--black);
}

.page-privacy .privacy-rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 11px;
  height: 1px;
  background-color: var(--cyan);
}

.page-privacy .privacy-rule-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 用途清单 ---------- */
.page-privacy .privacy-uses {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

.page-privacy .privacy-uses li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-uses__idx {
  padding-top: 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
}

.page-privacy .privacy-uses h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-privacy .privacy-uses p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 定义式清单 ---------- */
.page-privacy .privacy-dl {
  margin: 0 0 18px;
  border-top: 1px solid var(--hairline);
}

.page-privacy .privacy-dl > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-dl dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
}

.page-privacy .privacy-dl dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
}

/* ---------- 联系面板 ---------- */
.page-privacy .privacy-contact {
  margin: 18px 0 0;
  padding: clamp(20px, 3.4vw, 32px);
  display: grid;
  gap: 20px;
  background-color: var(--ink);
  border-left: 3px solid var(--signal);
  border-radius: var(--radius);
}

.page-privacy .privacy-contact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .privacy-contact dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: #ffffff;
  overflow-wrap: anywhere;
}

/* ---------- 收尾 ---------- */
.page-privacy .privacy-foot {
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}

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

.page-privacy .privacy-foot a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--speed-fast) var(--ease),
              border-color var(--speed-fast) var(--ease);
}

.page-privacy .privacy-foot a:hover,
.page-privacy .privacy-foot a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 平板以上 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-dl > div {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-dl dt {
    padding-top: 3px;
  }

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

/* ---------- 桌面：左窄栏锚点 + 右正文 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
    padding: 0 0 0 22px;
    border-bottom: 0;
    border-left: 2px solid var(--hairline);
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: 16px;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    padding: 7px 0;
  }

  .page-privacy .privacy-toc__link::before {
    display: block;
    position: absolute;
    left: -23px;
    top: 50%;
    width: 2px;
    height: 56%;
    background-color: var(--cyan);
    transform: translateY(-50%) scaleY(0);
    transform-origin: center;
    transition: transform var(--speed-fast) var(--ease);
  }

  .page-privacy .privacy-toc__link:hover::before,
  .page-privacy .privacy-toc__link:focus-visible::before {
    transform: translateY(-50%) scaleY(1);
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-hero h1 {
    font-size: clamp(48px, 5.4vw, 78px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-num,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-toc__link::before,
  .page-privacy .privacy-foot a {
    transition: none;
  }

  .page-privacy .privacy-section:hover .privacy-num,
  .page-privacy .privacy-section:focus-within .privacy-num {
    transform: none;
  }
}