.page-privacy {
  --privacy-measure: 40em;
  --privacy-rail-w: 206px;
  --privacy-body: rgba(234, 240, 255, 0.84);
  --privacy-body-soft: rgba(234, 240, 255, 0.74);
  padding-bottom: clamp(56px, 8vw, 112px);
  background:
    radial-gradient(115% 55% at 82% -8%, rgba(124, 92, 255, 0.16), transparent 62%),
    radial-gradient(80% 42% at 4% 2%, rgba(23, 179, 196, 0.12), transparent 66%);
  background-repeat: no-repeat;
}

.page-privacy .breadcrumb {
  padding: 0 clamp(16px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
  font-size: 0.8125rem;
  color: var(--mist);
}

.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--lake);
}

.page-privacy .breadcrumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--stand);
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--star);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(24px, 4vw, 46px);
}

.page-privacy .privacy-hero .container {
  max-width: var(--maxw);
}

.page-privacy .privacy-hero .eyebrow {
  color: var(--lake);
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  max-width: 22em;
  font-size: clamp(2rem, 6.6vw, 3.55rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--star);
}

.page-privacy .privacy-hero .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(0.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.8;
  color: var(--privacy-body-soft);
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: clamp(26px, 4.4vw, 44px) 0 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
}

.page-privacy .privacy-hero__media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-privacy .privacy-hero__media .media__caption {
  font-size: 0.8125rem;
  color: var(--mist);
}

/* ---------- 主体栅格：窄栏长文 + 左侧章节轨道 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
  margin-top: clamp(12px, 2.4vw, 26px);
}

.page-privacy .privacy-rail {
  display: none;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--stand);
  text-transform: uppercase;
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 2px 10px 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--star);
  padding-left: 4px;
}

.page-privacy .privacy-rail__link.is-active {
  color: var(--lake);
}

.page-privacy .privacy-rail__link.is-active .privacy-rail__num {
  color: var(--lake);
}

.page-privacy .privacy-rail__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-sec {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 118px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.014em;
  color: var(--star);
}

.page-privacy .privacy-sec > p {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--privacy-body);
}

.page-privacy .privacy-kw {
  color: var(--star);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--lake);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-privacy .num {
  font-family: var(--font-mono);
  color: var(--gold);
  letter-spacing: 0.01em;
}

/* ---------- 折叠条目 ---------- */
.page-privacy .privacy-fold {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-privacy .privacy-fold[open] {
  border-color: rgba(23, 179, 196, 0.4);
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--star);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-fold summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-weight: 400;
  color: var(--lake);
  transition: transform 0.28s var(--ease);
}

.page-privacy .privacy-fold[open] summary::after {
  transform: rotate(45deg);
}

.page-privacy .privacy-fold summary:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: -3px;
}

.page-privacy .privacy-fold > p {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--privacy-body-soft);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--privacy-body);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lake);
  box-shadow: 0 0 0 3px rgba(23, 179, 196, 0.15);
}

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

/* ---------- 联系方式卡 ---------- */
.page-privacy .privacy-contact {
  position: relative;
  overflow: hidden;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(23, 179, 196, 0.14), rgba(124, 92, 255, 0.12) 58%, rgba(6, 10, 24, 0) 100%);
}

.page-privacy .privacy-contact::after {
  content: "";
  position: absolute;
  right: -66px;
  bottom: -76px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 75, 0.2), transparent 68%);
  pointer-events: none;
}

.page-privacy .privacy-contact h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-privacy .privacy-contact__line {
  margin: 16px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--stand);
}

.page-privacy .privacy-contact__mail {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 3.3vw, 1.125rem);
  line-height: 1.5;
  color: var(--lake);
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  position: relative;
  margin: 14px 0 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--privacy-body-soft);
}

/* ---------- 尾链 ---------- */
.page-privacy .privacy-links {
  display: grid;
  gap: 10px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-links a {
  display: inline-block;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--star);
  text-decoration: none;
  border-bottom: 2px solid rgba(23, 179, 196, 0.45);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-links a:hover,
.page-privacy .privacy-links a:focus-visible {
  color: var(--lake);
  border-color: var(--lake);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 768px) {
  .page-privacy .privacy-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }
}

/* ---------- 宽屏：轨道常驻 ---------- */
@media (min-width: 1180px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 74px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: 108px;
    align-self: start;
    border-top-color: var(--line);
  }

  .page-privacy .privacy-sec {
    scroll-margin-top: 130px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-fold summary::after,
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-links a {
    transition: none;
  }

  .page-privacy .privacy-fold[open] summary::after {
    transform: none;
  }
}