.page-privacy {
  --privacy-grid-line: rgba(212, 175, 55, 0.035);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--privacy-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--privacy-grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  overflow-x: hidden;
}

/* ===== 页头横幅 ===== */
.privacy-banner {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--line-light);
  background:
    radial-gradient(ellipse 70% 80% at 85% 10%, rgba(212, 175, 55, 0.07), transparent 62%),
    radial-gradient(ellipse 55% 70% at 8% 90%, rgba(0, 212, 255, 0.05), transparent 55%);
}

.privacy-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--color-gold) 0 8px, transparent 8px 16px);
  opacity: 0.35;
}

.privacy-banner__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
  padding-top: 32px;
}

.privacy-banner__content {
  flex: 1;
  min-width: 0;
}

.privacy-banner__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-blue);
  text-transform: uppercase;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.privacy-banner__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-blue);
  opacity: 0.6;
}

.privacy-banner h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 18px;
  letter-spacing: 0.01em;
}

.privacy-banner__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  max-width: 58ch;
  margin: 0 0 24px;
}

.privacy-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.privacy-banner__media {
  margin: 0;
  flex: 0 0 auto;
  width: 100%;
  max-width: 600px;
  border: 1px solid var(--gold-soft);
  position: relative;
  background: var(--color-bg-secondary);
}

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

.privacy-banner__media::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  pointer-events: none;
}

.privacy-banner__media::before {
  content: "PRIVACY-SHIELD / 01";
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  background: rgba(10, 22, 40, 0.82);
  padding: 6px 10px;
  border-left: 2px solid var(--color-gold);
}

/* ===== 主体布局 ===== */
.privacy-body {
  padding: 40px 0 88px;
}

.privacy-body__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

/* ===== 章节索引导航 ===== */
.privacy-index {
  min-width: 0;
}

.privacy-index__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-index__label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-soft), transparent);
}

.privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--gold-soft);
}

.privacy-index__item + .privacy-index__item {
  border-top: 1px solid var(--line-light);
}

.privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line-light);
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color 0.2s ease, padding-left 0.2s ease, background 0.2s ease;
}

.privacy-index__link:hover,
.privacy-index__link:focus-visible {
  color: var(--color-gold);
  padding-left: 14px;
  background: rgba(212, 175, 55, 0.04);
}

.privacy-index__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  flex-shrink: 0;
}

.privacy-index__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: inherit;
}

.privacy-index__note {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--color-bg-secondary);
  border-left: 2px solid var(--color-wine);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.privacy-index__note p {
  margin: 0 0 12px;
}

.privacy-index__note .btn {
  font-size: 13px;
  padding-top: 8px;
  padding-bottom: 8px;
}

/* ===== 正文区域 ===== */
.privacy-main {
  min-width: 0;
}

.privacy-section {
  position: relative;
  padding-left: 18px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-light);
}

.privacy-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-gold) 36px, var(--gold-soft) 1px, transparent 100%);
  opacity: 0.75;
}

.privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.privacy-section__head::after {
  content: "";
  flex: 1;
  height: 1px;
  min-width: 40px;
  max-width: 140px;
  background: repeating-linear-gradient(90deg, var(--gold-soft) 0 6px, transparent 6px 12px);
  margin-left: 8px;
}

.privacy-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold-soft);
  background: rgba(212, 175, 55, 0.06);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.privacy-section h2 {
  font-family: var(--font-heading);
  font-size: 23px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

/* ===== 正文文本排版 ===== */
.privacy-prose {
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-secondary);
}

.privacy-prose > p {
  margin: 0 0 16px;
}

.privacy-prose h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 24px 0 10px;
  padding-left: 10px;
  border-left: 2px solid var(--color-blue);
}

.privacy-prose ul,
.privacy-prose ol {
  margin: 10px 0 20px;
  padding-left: 20px;
}

.privacy-prose li {
  margin-bottom: 6px;
  padding-left: 4px;
}

.privacy-prose strong {
  color: var(--color-text);
  font-weight: 600;
}

/* 用途列表 */
.privacy-purpose-list {
  list-style: none;
  padding: 0 !important;
  margin: 12px 0 24px !important;
}

.privacy-purpose-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
}

.privacy-purpose-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--color-gold);
  flex-shrink: 0;
  transform: translateY(-2px);
}

.privacy-purpose-list span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gold);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  white-space: nowrap;
}

/* 权利列表 */
.privacy-rights-list li {
  padding-left: 0;
}

.privacy-rights-list strong {
  display: inline-block;
  min-width: 72px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--color-blue);
}

/* ===== 折叠面板 ===== */
.privacy-collapse {
  margin-top: 20px;
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.02);
}

.privacy-collapse + .privacy-collapse {
  margin-top: 12px;
}

.privacy-collapse__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  background: transparent;
  border: none;
  color: var(--color-text);
  font: 500 14px/1.5 var(--font-body);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s ease, background 0.2s ease;
}

.privacy-collapse__toggle:hover,
.privacy-collapse__toggle:focus-visible {
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.04);
}

.privacy-collapse__icon {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--color-gold);
  transition: transform 0.25s ease;
}

.privacy-collapse__toggle[aria-expanded="true"] .privacy-collapse__icon {
  transform: rotate(45deg);
}

.privacy-collapse__panel {
  padding: 0 16px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.privacy-collapse__panel p {
  margin: 0 0 10px;
}

.privacy-collapse__panel ul,
.privacy-collapse__panel ol {
  margin: 8px 0 0;
  padding-left: 18px;
}

.privacy-collapse__panel li {
  margin-bottom: 5px;
}

.privacy-collapse__panel code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-blue);
  background: rgba(0, 212, 255, 0.08);
  padding: 2px 6px;
  border-radius: 2px;
}

.privacy-storage-list {
  list-style: none !important;
  padding-left: 0 !important;
}

.privacy-storage-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
}

.privacy-steps {
  counter-reset: privacy-step;
  list-style: none !important;
  padding-left: 0 !important;
}

.privacy-steps li {
  counter-increment: privacy-step;
  position: relative;
  padding-left: 32px;
  margin-bottom: 10px;
}

.privacy-steps li::before {
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
  border: 1px solid var(--gold-soft);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 联系卡片 ===== */
.privacy-contact-card {
  display: block;
  margin-top: 24px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.06), rgba(0, 212, 255, 0.04));
  border: 1px solid var(--gold-soft);
  border-radius: 2px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.privacy-contact-card:hover,
.privacy-contact-card:focus-visible {
  border-color: var(--color-gold);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(0, 212, 255, 0.08));
  transform: translateY(-2px);
}

.privacy-contact-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.privacy-contact-card__email {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.5;
  color: var(--color-text);
  word-break: break-all;
}

.privacy-contact-card__hint {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ===== 底部关联链接 ===== */
.privacy-footer-links {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.privacy-footer-links p {
  margin: 0;
}

.privacy-footer-links a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.privacy-footer-links a:hover,
.privacy-footer-links a:focus-visible {
  color: var(--color-gold);
  text-decoration: underline;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 992px) {
  .privacy-banner {
    padding: 56px 0 72px;
  }

  .privacy-banner__inner {
    flex-direction: row;
    align-items: center;
    gap: 56px;
    padding-top: 48px;
  }

  .privacy-banner__content {
    padding-right: 24px;
  }

  .privacy-banner__media {
    max-width: 480px;
    flex-shrink: 0;
  }

  .privacy-body {
    padding: 56px 0 112px;
  }

  .privacy-body__inner {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 64px;
  }

  .privacy-index {
    position: sticky;
    top: calc(var(--header-height) + 32px);
  }

  .privacy-main {
    max-width: 840px;
  }

  .privacy-section {
    padding-left: 24px;
    margin-bottom: 64px;
    padding-bottom: 64px;
  }

  .privacy-section h2 {
    font-size: 29px;
  }

  .privacy-prose {
    font-size: 16px;
  }

  .privacy-prose h3 {
    margin-top: 28px;
  }
}