.page-privacy {
  --pp-line: rgba(154, 164, 178, 0.2);
  --pp-line-soft: rgba(154, 164, 178, 0.09);
  --pp-haze: #8B9CB0;
  --pp-text: #C6D0DB;
  --pp-panel: rgba(154, 164, 178, 0.05);
  --pp-blue: #3C5C7E;
  color: var(--paper);
}

/* ============ 首屏 ============ */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(74px, 13vw, 148px) 0 clamp(42px, 7vw, 76px);
  border-bottom: 1px solid var(--pp-line);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-privacy .privacy-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.4) contrast(1.05);
}

.page-privacy .privacy-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 85% at 16% 0%, rgba(60, 92, 126, 0.42), transparent 62%),
    linear-gradient(180deg, rgba(7, 10, 20, 0.42) 0%, rgba(7, 10, 20, 0.9) 64%, var(--ink) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb {
  margin: 0 0 clamp(26px, 5vw, 46px);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-privacy .privacy-hero .breadcrumb a:hover {
  color: var(--cyan);
}

.page-privacy .breadcrumb__sep {
  margin: 0 9px;
  opacity: 0.55;
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-size: clamp(42px, 11vw, 104px);
  font-weight: 900;
  line-height: 0.99;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-shadow: 0 0 72px rgba(53, 224, 214, 0.12);
}

.page-privacy .privacy-hero__lede {
  max-width: 32em;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.88;
  color: var(--pp-text);
}

.page-privacy .privacy-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-flags li {
  padding: 6px 13px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pp-haze);
  background: rgba(154, 164, 178, 0.04);
}

/* ============ 主体两栏 ============ */
.page-privacy .privacy-body {
  padding: clamp(40px, 8vw, 86px) 0 clamp(60px, 10vw, 118px);
}

/* 章节索引：窄屏横向滑条 */
.page-privacy .privacy-index {
  margin-bottom: clamp(28px, 5vw, 40px);
  border-top: 1px solid var(--pp-line);
  padding-top: 18px;
}

.page-privacy .privacy-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--pp-haze);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-index__list::-webkit-scrollbar {
  height: 3px;
}

.page-privacy .privacy-index__list::-webkit-scrollbar-thumb {
  background: var(--pp-line);
  border-radius: 3px;
}

.page-privacy .privacy-index__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-index__list a:hover {
  color: var(--paper);
  border-color: var(--pp-haze);
}

.page-privacy .privacy-index__list a .mono {
  color: var(--pp-haze);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-privacy .privacy-index__top {
  display: none;
}

/* ============ 正文文档流 ============ */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-lead {
  max-width: 34em;
  margin: 0 0 clamp(30px, 5vw, 46px);
  font-size: clamp(16px, 1.7vw, 17.5px);
  line-height: 1.9;
  color: var(--paper);
}

.page-privacy .privacy-sec {
  padding: clamp(30px, 5vw, 48px) 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-privacy .privacy-sec:first-of-type {
  border-top: 1px solid var(--pp-line);
}

.page-privacy .privacy-sec__num {
  display: inline-block;
  min-width: 36px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--pp-haze);
}

.page-privacy .privacy-sec__title {
  margin: 10px 0 0;
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-sec__title::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 15px;
  background: linear-gradient(90deg, var(--pp-blue), var(--cyan));
  transform: scaleX(0.24);
  transform-origin: left;
  transition: transform 0.42s var(--ease);
}

.page-privacy .privacy-sec.is-active .privacy-sec__title::after {
  transform: scaleX(1);
}

.page-privacy .privacy-sec > p {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.86;
  color: var(--pp-text);
}

.page-privacy .privacy-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 15px;
}

.page-privacy .privacy-list li {
  position: relative;
  max-width: 34em;
  padding-left: 20px;
  font-size: 16.5px;
  line-height: 1.84;
  color: var(--pp-text);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--pp-haze);
  transform: rotate(45deg);
}

.page-privacy .privacy-doc strong {
  font-weight: 600;
  color: var(--paper);
  border-bottom: 1px solid rgba(53, 224, 214, 0.42);
  padding-bottom: 1px;
}

/* ============ 场景清单 ============ */
.page-privacy .scene-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-privacy .scene-list > li {
  padding: 20px 18px 22px;
  background: var(--ink-2);
}

.page-privacy .scene-list h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-privacy .scene-list h3 .mono {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pp-haze);
  padding: 2px 8px;
  border: 1px solid var(--pp-line);
  border-radius: 4px;
}

.page-privacy .scene-list p {
  max-width: 34em;
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.84;
  color: var(--pp-text);
}

/* ============ 展开式补充 ============ */
.page-privacy .privacy-details {
  margin: 22px 0 0;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-sm);
  background: var(--pp-panel);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-details[open] summary::after {
  content: "\2013";
}

.page-privacy .privacy-details summary:hover {
  color: var(--cyan);
}

.page-privacy .privacy-sec .privacy-details p {
  max-width: 34em;
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ============ 收束区块 ============ */
.page-privacy .privacy-foot {
  margin-top: clamp(34px, 6vw, 56px);
  padding: clamp(24px, 4vw, 32px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(60, 92, 126, 0.16), rgba(7, 10, 20, 0.4) 70%);
}

.page-privacy .privacy-foot__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--pp-haze);
}

.page-privacy .privacy-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 16px;
}

.page-privacy .privacy-foot__links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-privacy .privacy-foot__links a:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  color: var(--cyan);
}

/* ============ 桌面端 ============ */
@media (min-width: 980px) {
  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    align-self: start;
    margin-bottom: 0;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--pp-line);
    padding-left: 20px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 1px;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .privacy-index__list a {
    width: 100%;
    padding: 7px 0;
    border: 0;
    border-radius: 0;
    font-size: 12.5px;
    letter-spacing: 0.06em;
    white-space: normal;
  }

  .page-privacy .privacy-index__list a:hover {
    border-color: transparent;
    color: var(--cyan);
  }

  .page-privacy .privacy-index__top {
    display: inline-block;
    margin-top: 24px;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--mist);
    text-decoration: none;
    transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
  }

  .page-privacy .privacy-index__top:hover {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
  }

  .page-privacy .privacy-doc {
    max-width: 780px;
  }

  .page-privacy .scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .scene-list > li {
    padding: 24px 22px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-sec__title::after,
  .page-privacy .privacy-foot__links a,
  .page-privacy .privacy-index__list a {
    transition: none;
  }

  .page-privacy .privacy-foot__links a:hover {
    transform: none;
  }
}
<<<END>>>