.page-privacy {
  --priv-rail: 15rem;
  --priv-measure: 68ch;
  --priv-gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
  padding: clamp(2rem, 6vw, 4.25rem) clamp(1.15rem, 4vw, 3.25rem);
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--gold-30);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7rem;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  z-index: 3;
}

.page-privacy .privacy-hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .privacy-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-privacy .privacy-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(11, 13, 18, 0.95) 0%, rgba(11, 13, 18, 0.62) 52%, rgba(142, 17, 25, 0.55) 100%),
    repeating-linear-gradient(90deg, var(--paper-08) 0 1px, transparent 1px 34px);
}

.page-privacy .privacy-hero__text {
  position: relative;
  z-index: 1;
  max-width: 46rem;
}

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

.page-privacy .privacy-hero h1 {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.25rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-hero .lede {
  margin: 1.15rem 0 0;
  max-width: 40rem;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.8;
  color: var(--paper-70);
}

.page-privacy .privacy-hero__meta {
  display: inline-block;
  margin: 1.6rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--gold-30);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold-light);
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--priv-gap);
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

/* ---------- 章节轨道 ---------- */
.page-privacy .privacy-rail {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.page-privacy .privacy-rail__caption {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rail__link {
  display: block;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.8125rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  border-color: var(--red);
  color: var(--red);
  background: var(--paper-2);
}

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

.page-privacy .policy-section {
  scroll-margin-top: 5rem;
}

.page-privacy .policy-section + .policy-section {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-privacy .policy-section + .policy-section:not(.rights-panel) {
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid var(--line);
}

.page-privacy .policy-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.page-privacy .policy-section__num {
  flex: none;
  padding-bottom: 0.12rem;
  border-bottom: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-privacy .policy-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.32;
  color: var(--ink);
}

.page-privacy .policy-section p {
  margin: 0 0 1.05em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-privacy .policy-section a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .policy-section a:hover,
.page-privacy .policy-section a:focus-visible {
  color: var(--red-deep);
}

/* ---------- 信息资料卡 ---------- */
.page-privacy .fact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-privacy .fact {
  padding: 1rem 1.1rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--ink-blue);
}

.page-privacy .fact:nth-child(2) {
  border-left-color: var(--grass);
}

.page-privacy .fact:nth-child(3) {
  border-left-color: var(--red);
}

.page-privacy .fact:nth-child(4) {
  border-left-color: var(--gold);
}

.page-privacy .fact__key {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .fact__val {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 用途编号段 ---------- */
.page-privacy .use-list {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  counter-reset: use;
}

.page-privacy .use-item {
  padding: 0.9rem 0 0.9rem 1.1rem;
  border-left: 1px solid var(--line);
}

.page-privacy .use-item + .use-item {
  margin-top: 0.35rem;
}

.page-privacy .use-item__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-privacy .use-item__title::before {
  counter-increment: use;
  content: "0" counter(use);
  margin-right: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-privacy .use-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
}

/* ---------- 简洁条目列表 ---------- */
.page-privacy .plain-list {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-privacy .plain-list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-privacy .plain-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.45rem;
  height: 2px;
  background: var(--red);
}

.page-privacy .plain-list strong {
  font-weight: 900;
  color: var(--ink);
}

/* ---------- 权利区块 ---------- */
.page-privacy .rights-panel {
  padding: clamp(1.25rem, 3.5vw, 2rem);
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-privacy .rights-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .rights-item {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-privacy .rights-item:first-child {
  border-top: none;
  padding-top: 0.2rem;
}

.page-privacy .rights-item__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--red);
  line-height: 1.6;
}

.page-privacy .rights-item__body {
  min-width: 0;
}

.page-privacy .rights-item__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-privacy .rights-item__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
}

.page-privacy .rights-tip {
  margin: 1.35rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ---------- 底部按钮组 ---------- */
.page-privacy .policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 700px) {
  .page-privacy .fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--priv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 1.75rem;
    max-height: calc(100vh - 3.5rem);
    overflow-y: auto;
    padding-top: 0;
    border-top: none;
  }

  .page-privacy .privacy-rail__list {
    display: block;
  }

  .page-privacy .privacy-rail__link {
    padding: 0.45rem 0 0.45rem 0.9rem;
    border: none;
    border-left: 2px solid var(--line);
    background: transparent;
    font-size: 0.875rem;
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    background: transparent;
    border-left-color: var(--red);
    color: var(--red);
  }

  .page-privacy .privacy-content {
    padding-left: clamp(1rem, 2.5vw, 2.25rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .policy-section a {
    transition: none;
  }
}