.page-privacy {
  --pv-shell-gap: clamp(16px, 4vw, 44px);
  --pv-reading: 68ch;
  background-color: var(--ink);
  color: var(--mist);
  scroll-behavior: smooth;
}

.page-privacy [id] {
  scroll-margin-top: 108px;
}

/* ---------- 首屏：框景窗口 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
}

.page-privacy .privacy-hero-bg {
  position: absolute;
  inset: 0;
}

.page-privacy .privacy-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-privacy .privacy-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 13, 0.4) 0%, rgba(11, 15, 13, 0.82) 58%, var(--ink) 100%);
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(26px, 5vw, 60px) clamp(30px, 6vw, 72px);
}

.page-privacy .privacy-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: clamp(20px, 4vw, 48px);
  background: linear-gradient(170deg, rgba(16, 35, 28, 0.76), rgba(11, 15, 13, 0.88));
  backdrop-filter: blur(2px);
}

.page-privacy .privacy-frame::before,
.page-privacy .privacy-frame::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  border: 1px solid var(--cyan-dim);
  pointer-events: none;
}

.page-privacy .privacy-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: var(--radius-m);
}

.page-privacy .privacy-frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: var(--radius-m);
}

.page-privacy .privacy-h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.6vw, 3.9rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-privacy .privacy-lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  line-height: 1.85;
  color: rgba(232, 240, 236, 0.82);
}

.page-privacy .privacy-meta {
  display: grid;
  gap: 16px 28px;
  margin: 0;
  padding-top: 22px;
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-meta-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin-bottom: 7px;
}

.page-privacy .privacy-meta-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

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

@media (min-width: 1080px) {
  .page-privacy .privacy-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 章节索引 ---------- */

.page-privacy .privacy-main {
  padding-bottom: clamp(48px, 8vw, 110px);
}

.page-privacy .privacy-toc {
  margin-block: clamp(30px, 5vw, 56px) 0;
}

.page-privacy .privacy-toc-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 16px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background-color: var(--line);
  overflow: hidden;
}

.page-privacy .privacy-toc-list li {
  background-color: var(--moss);
}

.page-privacy .privacy-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  color: var(--mist);
  font-size: 15px;
  text-decoration: none;
  transition: background-color var(--tr), color var(--tr);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  background-color: var(--turf);
  color: var(--cyan);
  outline: none;
}

.page-privacy .privacy-toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
  transition: color var(--tr);
}

.page-privacy .privacy-toc-list a:hover .privacy-toc-num,
.page-privacy .privacy-toc-list a:focus-visible .privacy-toc-num {
  color: var(--cyan);
}

@media (min-width: 760px) {
  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1160px) {
  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 长卷章节 ---------- */

.page-privacy .privacy-section {
  display: grid;
  gap: 20px;
  padding-block: clamp(34px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--sage);
  transition: color var(--tr), transform var(--tr);
}

.page-privacy .privacy-section:hover .privacy-index {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-privacy .privacy-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.32rem, 2.6vw, 1.9rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-privacy .privacy-section-body {
  max-width: var(--pv-reading);
}

.page-privacy .privacy-section-body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-privacy .privacy-section-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-dim);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--tr);
}

.page-privacy .privacy-section-body a:hover,
.page-privacy .privacy-section-body a:focus-visible {
  text-decoration-color: var(--cyan);
}

.page-privacy .privacy-h3 {
  margin: 30px 0 14px;
  padding-left: 13px;
  border-left: 2px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-privacy .privacy-section {
    grid-template-columns: minmax(180px, 258px) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 64px);
  }

  .page-privacy .privacy-section-head {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .privacy-section-body p {
    font-size: 17px;
  }
}

/* ---------- 细线表格与定义牌 ---------- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-list li {
  display: grid;
  gap: 7px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-list-term {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage);
  transition: color var(--tr);
}

.page-privacy .privacy-list li span:last-child {
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 240, 236, 0.88);
}

.page-privacy .privacy-list li:hover .privacy-list-term {
  color: var(--cyan);
}

@media (min-width: 760px) {
  .page-privacy .privacy-list li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding: 19px 0;
  }
}

.page-privacy .privacy-callout {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background-color: var(--cyan-soft);
}

.page-privacy .privacy-tag {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-callout p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-defs {
  display: grid;
  gap: 15px;
  margin: 24px 0 4px;
}

.page-privacy .privacy-def {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(155deg, rgba(23, 56, 44, 0.5), rgba(11, 15, 13, 0.55));
}

.page-privacy .privacy-def-term {
  display: block;
  margin-bottom: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .privacy-def p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sage);
}

@media (min-width: 860px) {
  .page-privacy .privacy-defs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 可展开步骤 ---------- */

.page-privacy .privacy-steps {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background-color: var(--moss);
  overflow: hidden;
}

.page-privacy .privacy-steps summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  transition: background-color var(--tr), color var(--tr);
}

.page-privacy .privacy-steps summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-steps summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-privacy .privacy-steps[open] summary {
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-steps[open] summary::after {
  content: "−";
}

.page-privacy .privacy-steps summary:hover,
.page-privacy .privacy-steps summary:focus-visible {
  background-color: rgba(61, 242, 208, 0.07);
  outline: none;
}

.page-privacy .privacy-steps-body {
  padding: 16px 18px 20px;
}

.page-privacy .privacy-steps-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 9px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 240, 236, 0.86);
}

.page-privacy .privacy-steps-list li::marker {
  font-family: var(--font-mono);
  color: var(--sage);
}

/* ---------- 信息流向示意 ---------- */

.page-privacy .privacy-flow {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 30px 0;
}

.page-privacy .privacy-flow rect {
  fill: rgba(23, 56, 44, 0.42);
  stroke: var(--line);
  stroke-width: 1;
}

.page-privacy .privacy-flow .privacy-flow-node--local rect {
  stroke: var(--gold-soft);
  stroke: rgba(230, 180, 90, 0.45);
}

.page-privacy .privacy-flow text {
  font-family: var(--font-mono);
  font-size: 12.5px;
  fill: var(--sage);
  text-anchor: middle;
}

.page-privacy .privacy-flow .privacy-flow-title {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  fill: var(--mist);
}

.page-privacy .privacy-flow-arrows line {
  stroke: var(--cyan-dim);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }

  .page-privacy .privacy-index,
  .page-privacy .privacy-toc-list a,
  .page-privacy .privacy-toc-num,
  .page-privacy .privacy-list-term,
  .page-privacy .privacy-steps summary {
    transition: none;
  }

  .page-privacy .privacy-section:hover .privacy-index {
    transform: none;
  }
}