.page-privacy {
  --privacy-side: 240px;
  background: var(--c-cloud);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(46, 143, 163, 0.55) 0%, rgba(15, 76, 92, 0) 62%),
    linear-gradient(178deg, var(--c-mist-900) 0%, var(--c-mist-700) 100%);
  color: var(--c-cloud);
  padding-block: calc(var(--header-h) + 20px) clamp(40px, 7vw, 76px);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  margin-bottom: clamp(32px, 6vw, 72px);
}

.page-privacy .privacy-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(20px, 4vw, 34px);
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-fog);
}

.page-privacy .privacy-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  opacity: 0.5;
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-hero .breadcrumb a:hover,
.page-privacy .privacy-hero .breadcrumb a:focus-visible {
  border-bottom-color: var(--c-lime);
}

.page-privacy .privacy-hero .label {
  margin: 0 0 18px;
  display: inline-block;
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(0.98rem, 1.25vw, 1.12rem);
  line-height: 1.8;
  color: var(--c-fog);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-cloud);
}

.page-privacy .privacy-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.page-privacy .privacy-meta-key {
  color: var(--c-sand);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-hero-figure {
  margin: clamp(28px, 5vw, 48px) 0 0;
  border-radius: var(--radius-img);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(8, 42, 51, 0.45);
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 文档布局 ---------- */
.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .privacy-toc {
  align-self: start;
  background: var(--c-fog);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--c-lime);
  padding: 20px 18px 22px;
}

.page-privacy .privacy-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-mist-700);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .privacy-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--c-cloud);
  border: 1px solid transparent;
  color: var(--c-mist-700);
  font-size: 13px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-toc-num {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-lime-deep);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  background: var(--c-cloud);
  border-color: var(--c-sand);
  color: var(--c-mist-900);
}

.page-privacy .privacy-toc-note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-mist-700);
}

.page-privacy .privacy-body {
  min-width: 0;
  max-width: 76ch;
}

/* ---------- 条款区块 ---------- */
.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-top: clamp(26px, 4vw, 42px);
}

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

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--c-fog);
}

.page-privacy .privacy-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-privacy .privacy-num {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-lime-deep);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-mist-900);
}

.page-privacy .privacy-summary {
  margin: 16px 0 18px;
  padding: 13px 16px;
  border-left: 3px solid var(--c-lime);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, var(--c-fog) 0%, rgba(217, 232, 228, 0.15) 92%);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist-900);
}

.page-privacy .privacy-sec p {
  margin: 0 0 14px;
  font-size: 15.5px;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

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

.page-privacy .privacy-sec a {
  color: var(--c-mist-700);
  text-decoration: none;
  border-bottom: 1px solid var(--c-lime-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-sec a:hover,
.page-privacy .privacy-sec a:focus-visible {
  color: var(--c-mist-900);
  border-bottom-color: var(--c-sand);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  color: var(--c-ink);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-mist-500);
}

.page-privacy .privacy-list strong {
  color: var(--c-mist-900);
  font-weight: 700;
}

/* ---------- 定义展开 ---------- */
.page-privacy .privacy-def {
  margin: 0 0 20px;
  border: 1px solid var(--c-fog);
  border-radius: var(--radius-md);
  background: var(--c-cloud);
  overflow: hidden;
}

.page-privacy .privacy-def > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-mist-700);
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-privacy .privacy-def > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-def > summary:hover {
  background: var(--c-fog);
}

.page-privacy .privacy-def > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--c-lime-deep);
}

.page-privacy .privacy-def[open] > summary::after {
  content: "–";
}

.page-privacy .privacy-def > p {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist-700);
}

/* ---------- 数据流图 ---------- */
.page-privacy .privacy-flow {
  margin: 4px 0 20px;
  padding: 18px 16px 14px;
  border-radius: var(--radius-md);
  background: var(--c-fog);
  overflow-x: auto;
}

.page-privacy .privacy-flow svg {
  display: block;
  width: 100%;
  min-width: 480px;
  height: auto;
}

.page-privacy .privacy-flow .flow-link {
  fill: none;
  stroke: var(--c-mist-500);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-privacy .privacy-flow .flow-box {
  fill: var(--c-cloud);
  stroke: var(--c-mist-500);
  stroke-width: 1.5;
}

.page-privacy .privacy-flow .flow-out {
  fill: var(--c-mist-700);
}

.page-privacy .privacy-flow .flow-text {
  font-family: var(--font-body);
  font-size: 16px;
  fill: var(--c-mist-900);
}

.page-privacy .privacy-flow .flow-out-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  fill: var(--c-cloud);
}

.page-privacy .privacy-flow figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-mist-700);
}

/* ---------- 联系信息 ---------- */
.page-privacy .privacy-contact {
  margin: 0 0 18px;
  padding: 4px 0;
  border-top: 1px solid var(--c-fog);
}

.page-privacy .privacy-contact-row {
  display: grid;
  gap: 2px 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-fog);
}

.page-privacy .privacy-contact dt {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mist-500);
}

.page-privacy .privacy-contact dd {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--c-mist-900);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact-row:first-child dd {
  font-family: var(--font-data);
  letter-spacing: 0.01em;
}

/* ---------- 窄屏到宽屏 ---------- */
@media (max-width: 599px) {
  .page-privacy .privacy-hero h1 {
    max-width: none;
  }

  .page-privacy .privacy-hero-figure img {
    aspect-ratio: 4 / 3;
  }

  .page-privacy .privacy-toc {
    padding: 16px 14px 18px;
  }

  .page-privacy .privacy-toc-list a {
    font-size: 12.5px;
    padding: 6px 12px;
  }

  .page-privacy .privacy-flow {
    padding: 14px 12px 12px;
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-contact-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-doc {
    grid-template-columns: var(--privacy-side) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 68px);
    align-items: start;
  }

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

  .page-privacy .privacy-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .privacy-toc-list a {
    display: flex;
    width: 100%;
    padding: 8px 10px;
    border-radius: 10px;
    background: transparent;
    border: 1px solid transparent;
  }
}

@media (min-width: 1100px) {
  .page-privacy {
    --privacy-side: 268px;
  }
}

/* ---------- 打印留存 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero {
    background: none;
    color: #000;
    padding-block: 0;
    border-radius: 0;
    margin-bottom: 24px;
  }

  .page-privacy .privacy-hero h1,
  .page-privacy .privacy-lead,
  .page-privacy .privacy-meta {
    color: #000;
  }

  .page-privacy .privacy-hero-figure,
  .page-privacy .privacy-toc {
    display: none;
  }

  .page-privacy .privacy-doc {
    display: block;
    padding-bottom: 0;
  }

  .page-privacy .privacy-summary {
    background: none;
    border-left: 2px solid #000;
  }

  .page-privacy .privacy-sec {
    break-inside: avoid;
    padding-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-list a,
  .page-privacy .privacy-def > summary,
  .page-privacy .privacy-sec a,
  .page-privacy .privacy-hero .breadcrumb a {
    transition: none;
  }
}
<<<END>>>