.page-privacy {
  --privacy-pad: clamp(20px, 3.2vw, 38px);
  --privacy-radius: 22px;
  color: var(--ink);
  background: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  background: linear-gradient(158deg, var(--c-deep) 0%, var(--c-midnight) 58%, var(--c-abyss) 100%);
  color: var(--c-mist);
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--line-dark);
}

.page-privacy .privacy-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  font-size: 13px;
  color: var(--c-slate);
}

.page-privacy .privacy-crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(198, 210, 221, 0.42);
}

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

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

.page-privacy .privacy-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.4vw, 52px);
}

.page-privacy .privacy-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-privacy .privacy-hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 7.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-ivory);
}

.page-privacy .privacy-lead {
  margin: 0 0 14px;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.72;
  color: var(--c-mist);
  max-width: 44ch;
}

.page-privacy .privacy-sub {
  margin: 0 0 clamp(22px, 3.4vw, 32px);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-slate);
  max-width: 46ch;
}

.page-privacy .privacy-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(24px, 3.6vw, 36px);
}

.page-privacy .privacy-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.page-privacy .privacy-meta-item dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-slate);
  margin-bottom: 6px;
}

.page-privacy .privacy-meta-item dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-mist);
}

.page-privacy .privacy-hero-media {
  margin: 0;
  border-radius: var(--privacy-radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--c-midnight);
}

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

/* ---------- 正文分屏 ---------- */
.page-privacy .privacy-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(52px, 7vw, 96px);
  background: var(--paper);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

/* 章节索引 */
.page-privacy .privacy-rail {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: var(--privacy-radius);
  padding: 18px 18px 16px;
}

.page-privacy .privacy-rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-azure);
  text-transform: uppercase;
}

.page-privacy .privacy-rail .rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-rail .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: var(--c-ivory);
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .privacy-rail .rail-link .rail-index {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-slate);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-rail .rail-link:hover,
.page-privacy .privacy-rail .rail-link:focus-visible {
  border-color: var(--c-silver);
  color: var(--c-deep);
}

.page-privacy .privacy-rail .rail-link[aria-current="true"] {
  background: var(--c-lime);
  color: var(--c-deep);
  font-weight: 600;
}

.page-privacy .privacy-rail .rail-link[aria-current="true"] .rail-index {
  color: var(--c-deep);
}

.page-privacy .privacy-rail-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-mute);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding: clamp(28px, 4.4vw, 46px) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .privacy-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.page-privacy .privacy-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-azure);
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  padding: 4px 11px;
  line-height: 1.2;
}

.page-privacy .privacy-section-head h2 {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-section-intro {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 72ch;
}

.page-privacy .privacy-section-body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

.page-privacy a {
  color: var(--c-azure);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 123, 181, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* 01 适用范围 */
.page-privacy .privacy-scope-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-privacy .privacy-scope-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "key name"
    "key desc";
  gap: 2px 14px;
  align-items: baseline;
  background: var(--c-ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
}

.page-privacy .privacy-scope-key {
  grid-area: key;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-lime);
  background: var(--c-deep);
  border-radius: var(--r-sm);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
}

.page-privacy .privacy-scope-name {
  grid-area: name;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-privacy .privacy-scope-desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
}

/* 02 信息类型 */
.page-privacy .privacy-types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .privacy-type {
  position: relative;
  background: var(--c-ivory);
  border: 1px solid var(--line);
  border-left: 4px solid var(--c-silver);
  border-radius: var(--r-md);
  padding: 20px 18px 18px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-type[data-tone="lime"] { border-left-color: var(--c-lime); }
.page-privacy .privacy-type[data-tone="azure"] { border-left-color: var(--c-azure); }
.page-privacy .privacy-type[data-tone="mint"] { border-left-color: var(--c-mint); }
.page-privacy .privacy-type[data-tone="amber"] { border-left-color: var(--c-amber); }

.page-privacy .privacy-type-num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-slate);
  margin-bottom: 8px;
}

.page-privacy .privacy-type h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-type p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-privacy .privacy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 03 使用场景 */
.page-privacy .privacy-flow {
  margin: 22px 0 26px;
  padding: 22px 18px 16px;
  background: linear-gradient(150deg, var(--c-deep) 0%, var(--c-midnight) 100%);
  border-radius: var(--privacy-radius);
  border: 1px solid var(--line-dark);
}

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

.page-privacy .privacy-flow figcaption {
  margin-top: 12px;
  text-align: center;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-slate);
}

.page-privacy .privacy-usage {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .privacy-usage li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 18px 16px;
  background: var(--paper-alt);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-privacy .privacy-usage-num {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-azure);
  padding-top: 4px;
}

.page-privacy .privacy-usage h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-usage p {
  margin: 0;
  font-size: 15px;
  line-height: 1.73;
  color: var(--ink-soft);
}

/* 04 存储与安全 */
.page-privacy .privacy-storage {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-storage-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-storage-item dt {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.page-privacy .privacy-storage-item dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-lime);
}

.page-privacy .privacy-storage-item dd {
  margin: 0;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* 05 用户权利 */
.page-privacy .privacy-rights {
  list-style: none;
  margin: 20px 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .privacy-rights li {
  background: var(--c-ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
}

.page-privacy .privacy-rights-key {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-deep);
  background: var(--c-lime);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  margin-bottom: 10px;
}

.page-privacy .privacy-rights h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-rights p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-privacy .privacy-contact {
  background: var(--c-deep);
  color: var(--c-mist);
  border-radius: var(--privacy-radius);
  padding: 24px 20px;
}

.page-privacy .privacy-contact-title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-privacy .privacy-contact p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

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

.page-privacy .privacy-contact a {
  color: var(--c-lime);
  border-bottom-color: rgba(163, 230, 53, 0.42);
}

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

.page-privacy .privacy-mail {
  color: var(--c-mint);
  word-break: break-all;
}

.page-privacy .privacy-tail {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mute);
}

/* 回到顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--c-deep);
  color: var(--c-mist);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid var(--line-dark);
  box-shadow: 0 10px 26px rgba(8, 23, 38, 0.3);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--c-lime);
  color: var(--c-deep);
  border-color: var(--c-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .privacy-scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .privacy-usage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
  }

  .page-privacy .privacy-storage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(32px, 4.4vw, 56px);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 22px 20px 20px;
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }

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

  .page-privacy .privacy-rail .rail-link {
    white-space: normal;
    justify-content: flex-start;
  }

  .page-privacy .privacy-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-top,
  .page-privacy .privacy-rail .rail-link,
  .page-privacy .privacy-type,
  .page-privacy a {
    transition: none;
  }
}