.page-privacy {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ===== 页头横幅 ===== */
.page-privacy .privacy-hero {
  position: relative;
  background: var(--deep-pitch);
  color: var(--warm-white);
  padding: clamp(22px, 4.4vw, 56px) 0 clamp(30px, 5vw, 68px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-invert);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(246, 243, 236, .055) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(246, 243, 236, .055) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--orange) 0 20%,
    var(--blue) 20% 44%,
    var(--green) 44% 60%,
    transparent 60%
  );
}

.page-privacy .privacy-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  align-items: center;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-size: clamp(27px, 5.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -.012em;
  margin: .55em 0 0;
  max-width: 22ch;
}

.page-privacy .privacy-hero__lede {
  margin: 1em 0 0;
  max-width: 52ch;
  color: rgba(246, 243, 236, .84);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-privacy .privacy-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-invert-strong);
  background: var(--pitch-mid);
  transform: rotate(-1.4deg);
  box-shadow: var(--shadow-float);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 主体：侧栏刻度 + 窄栏正文 ===== */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(22px, 3vw, 48px);
  padding-top: clamp(26px, 4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .privacy-rail {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
  min-width: 0;
}

.page-privacy .privacy-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--graphite);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  max-width: 100%;
  scrollbar-width: thin;
}

.page-privacy .privacy-rail__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px 7px 10px;
  white-space: nowrap;
  text-decoration: none;
  font-size: 13px;
  color: var(--graphite);
  border-left: 2px solid var(--line);
  background: rgba(20, 22, 26, .02);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .privacy-rail__link:hover {
  color: var(--deep-pitch);
  border-left-color: var(--green);
  background: rgba(55, 242, 160, .10);
}

.page-privacy .privacy-rail__link[aria-current="true"] {
  color: var(--deep-pitch);
  font-weight: 500;
  border-left-color: var(--orange);
  background: rgba(255, 122, 26, .10);
}

.page-privacy .privacy-rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--blue-ink);
}

.page-privacy .privacy-rail__link[aria-current="true"] .privacy-rail__idx {
  color: var(--orange-ink);
}

/* ===== 正文 ===== */
.page-privacy .privacy-article {
  min-width: 0;
  max-width: 68ch;
}

.page-privacy .privacy-sec {
  padding-bottom: clamp(24px, 3vw, 40px);
  margin-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-sec__idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange-ink);
}

.page-privacy .privacy-sec__title {
  margin: 0 0 .7em;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.5vw, 27px);
  line-height: 1.28;
  letter-spacing: -.008em;
  color: var(--deep-pitch);
}

.page-privacy .privacy-sec p {
  margin: 0 0 1em;
  line-height: 1.78;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-list > li {
  padding: 1px 0 1px 16px;
  border-left: 2px solid rgba(43, 210, 255, .55);
  line-height: 1.74;
  font-size: 15.5px;
}

.page-privacy .privacy-list--tight {
  gap: 10px;
  margin-bottom: 0;
}

.page-privacy .privacy-list--tight > li {
  font-size: 14.5px;
  border-left-color: rgba(30, 138, 99, .5);
}

.page-privacy .privacy-key {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--blue-ink);
  border-bottom: 1px solid rgba(43, 210, 255, .55);
}

/* ===== 折叠块 ===== */
.page-privacy .privacy-fold {
  margin-top: 16px;
  border: 1px solid var(--line-strong);
  background: rgba(246, 243, 236, .8);
}

.page-privacy .privacy-fold .fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--deep-pitch);
}

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

.page-privacy .privacy-fold .fold__summary::after {
  content: "+";
  font-size: 17px;
  line-height: 1;
  color: var(--orange);
}

.page-privacy .privacy-fold[open] .fold__summary::after {
  content: "–";
}

.page-privacy .privacy-fold .fold__body {
  padding: 0 16px 16px;
}

/* ===== 联系块 ===== */
.page-privacy .privacy-contact {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--deep-pitch);
  color: var(--warm-white);
  border-left: 4px solid var(--orange);
}

.page-privacy .privacy-contact__main {
  min-width: 0;
}

.page-privacy .privacy-contact__label {
  margin: 0 0 6px !important;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--green);
}

.page-privacy .privacy-contact__value {
  margin: 0 0 6px !important;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2vw, 17px);
  letter-spacing: .01em;
  color: var(--warm-white);
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  margin: 0 !important;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 243, 236, .76);
}

.page-privacy .privacy-copy {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid var(--green);
  background: transparent;
  color: var(--warm-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-copy:hover {
  background: var(--green);
  color: var(--charcoal);
}

/* ===== 结尾链接 ===== */
.page-privacy .privacy-links {
  margin-top: 4px;
  flex-wrap: wrap;
}

/* ===== 返回页首 ===== */
.page-privacy .privacy-top-btn {
  position: fixed;
  right: clamp(12px, 3vw, 32px);
  bottom: clamp(12px, 3vw, 32px);
  z-index: 8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  text-decoration: none;
  background: var(--deep-pitch);
  color: var(--warm-white);
  border: 1px solid var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-top-btn:hover {
  background: var(--green);
  color: var(--charcoal);
}

/* ===== 响应式 ===== */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 88px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__link {
    padding: 9px 12px 9px 11px;
    white-space: normal;
  }
}

@media (max-width: 560px) {
  .page-privacy .privacy-contact {
    flex-direction: column;
    align-items: stretch;
  }

  .page-privacy .privacy-copy {
    width: 100%;
    text-align: center;
  }

  .page-privacy .privacy-list > li {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-copy,
  .page-privacy .privacy-top-btn {
    transition: none;
  }
}