/* ===== 数据与隐私 / page-privacy ===== */

.page-privacy {
  --pp-measure: 44rem;
  --pp-hair: rgba(159, 182, 196, 0.3);
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(72px, 10vw, 128px);
  color: var(--ice);
}

.page-privacy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 340px;
  background: radial-gradient(90% 100% at 18% 0%, rgba(46, 92, 120, 0.45), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .container {
  position: relative;
  z-index: 1;
}

/* --- 首屏框景 --- */

.page-privacy .privacy-hero {
  margin: clamp(20px, 3vw, 32px) 0 clamp(36px, 6vw, 64px);
}

.page-privacy .privacy-hero-frame {
  position: relative;
  border: var(--line);
  background: linear-gradient(158deg, rgba(20, 56, 79, 0.92) 0%, rgba(10, 31, 46, 0.86) 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.4vw, 52px);
}

.page-privacy .privacy-hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background-image: repeating-linear-gradient(to right, var(--sunset) 0 2px, transparent 2px 18px);
  opacity: 0.75;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: 0.05em;
  margin: 0 0 18px;
  color: var(--ice);
}

.page-privacy .privacy-lede {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  max-width: var(--pp-measure);
  margin: 0 0 clamp(22px, 3vw, 32px);
  color: var(--ice);
}

.page-privacy .privacy-meta {
  list-style: none;
  margin: 0;
  padding: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px dashed var(--pp-hair);
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-meta li {
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-meta-key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--sunset);
}

.page-privacy .privacy-meta-val {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mist);
}

/* --- 小节目录 --- */

.page-privacy .privacy-toc {
  border-left: 2px solid var(--ridge);
  padding-left: clamp(12px, 2.4vw, 24px);
  margin-bottom: clamp(44px, 7vw, 84px);
}

.page-privacy .privacy-toc .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 12px;
  border: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.page-privacy .toc-link:hover {
  color: var(--ice);
  background-color: var(--dusk);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-privacy .toc-link[aria-current="true"] {
  color: var(--ice);
  border-color: var(--sunset);
  background-color: rgba(244, 129, 60, 0.12);
}

.page-privacy .toc-num {
  flex: none;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--ridge);
  transition: color 140ms ease;
}

.page-privacy .toc-link:hover .toc-num,
.page-privacy .toc-link[aria-current="true"] .toc-num {
  color: var(--sunset);
}

.page-privacy .toc-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

/* --- 小节结构 --- */

.page-privacy .privacy-section {
  position: relative;
  padding-top: clamp(26px, 4vw, 46px);
  margin-top: clamp(44px, 7vw, 80px);
}

.page-privacy .privacy-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  border-top: 1px solid var(--ridge);
  background-image: repeating-linear-gradient(to right, var(--ridge) 0 1px, transparent 1px 13px);
  opacity: 0.85;
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy .privacy-num {
  flex: none;
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  letter-spacing: 0.1em;
  color: var(--sunset);
}

.page-privacy .privacy-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4375rem, 3.6vw, 2.125rem);
  line-height: 1.22;
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--ice);
}

.page-privacy .privacy-body {
  max-width: var(--pp-measure);
}

.page-privacy .privacy-body > p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0 0 clamp(20px, 3vw, 28px);
  color: var(--ice);
}

.page-privacy .privacy-item {
  margin-bottom: clamp(20px, 3vw, 30px);
}

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

.page-privacy .privacy-item-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.06em;
  margin: 0 0 8px;
  color: var(--ice);
}

.page-privacy .privacy-item-title::before {
  content: "";
  flex: none;
  width: 18px;
  height: 2px;
  background-color: var(--sunset);
}

.page-privacy .privacy-item p {
  font-family: var(--font-body);
  font-size: 0.96875rem;
  line-height: 1.85;
  margin: 0;
  color: var(--mist);
}

/* --- 信息流向图 --- */

.page-privacy .privacy-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-privacy .privacy-figure .media-frame {
  aspect-ratio: 1200 / 500;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background-color: var(--card);
  overflow: hidden;
}

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

.page-privacy .privacy-figure .media-caption {
  margin-top: 12px;
  font-size: 0.8125rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* --- 操作路径 --- */

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

.page-privacy .privacy-steps > li {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 34px) 42px;
  counter-increment: pp-step;
}

.page-privacy .privacy-steps {
  counter-reset: pp-step;
}

.page-privacy .privacy-steps > li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--sunset);
}

.page-privacy .privacy-steps > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 9px;
  bottom: 12px;
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--ridge);
  border-bottom: 2px solid var(--ridge);
  transform: rotate(45deg);
}

.page-privacy .privacy-steps > li:last-child {
  padding-bottom: 0;
}

/* --- 联系方式 --- */

.page-privacy .privacy-contact-list {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
}

.page-privacy .privacy-contact-list li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--pp-hair);
}

.page-privacy .privacy-contact-key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-contact-val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ice);
}

.page-privacy .privacy-contact-val.num {
  font-family: var(--font-mono);
}

.page-privacy .privacy-link {
  color: var(--sunset);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 129, 60, 0.5);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-privacy .privacy-link:hover {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.page-privacy .privacy-link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-privacy .privacy-note {
  font-size: 0.9375rem;
  line-height: 1.8;
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--neon);
  color: var(--mist);
}

/* --- 窄屏到宽屏 --- */

@media (min-width: 620px) {
  .page-privacy .privacy-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 3vw, 32px);
  }

  .page-privacy .privacy-contact-list li {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-body {
    max-width: 46rem;
  }

  .page-privacy .privacy-item p,
  .page-privacy .privacy-body > p {
    max-width: 42rem;
  }

  .page-privacy .privacy-hero-frame {
    padding-right: clamp(48px, 8vw, 96px);
  }
}

@media (max-width: 380px) {
  .page-privacy .privacy-section-head {
    flex-direction: column;
    gap: 6px;
  }

  .page-privacy .privacy-steps > li {
    padding-left: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .privacy-link,
  .page-privacy .toc-num {
    transition: none;
  }
}