/* ===== 隐私声明页 · 单栏长文版式 ===== */
.page-privacy {
  --privacy-measure: 33em;
  position: relative;
  padding-bottom: 5rem;
  color: var(--paper);
}

/* 阅读进度条：滚动驱动，降级为静态隐藏 */
.page-privacy .read-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  opacity: .9;
  z-index: 45;
  pointer-events: none;
}
@supports (animation-timeline: scroll()) {
  .page-privacy .read-progress {
    animation: privacy-read linear both;
    animation-timeline: scroll(root block);
  }
}
@keyframes privacy-read {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .page-privacy .read-progress { display: none; }
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  padding: 2rem 0 2rem;
  border-bottom: 1px solid var(--line);
}
.page-privacy .privacy-hero .eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--moss);
  letter-spacing: .2em;
  font-size: .78rem;
}
.page-privacy .privacy-hero h1 {
  margin: .8rem 0 1rem;
  max-width: 18em;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .02em;
}
.page-privacy .privacy-hero .lede {
  max-width: var(--privacy-measure);
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(236, 233, 226, .86);
}
.page-privacy .hero-meta {
  margin: 1.5rem 0 0;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---------- 首屏视觉 ---------- */
.page-privacy .privacy-figure {
  margin: 2.25rem 0 0;
}
.page-privacy .privacy-figure::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 1.25rem;
  background: linear-gradient(90deg, var(--moss), rgba(79, 169, 122, 0));
}
.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--panel);
}

/* ---------- 条目索引（纯 CSS 折角） ---------- */
.page-privacy .privacy-toc {
  position: relative;
  margin: 3rem 0 0;
  padding: 1.75rem 0 .75rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-privacy .privacy-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 13px solid var(--moss);
  border-right: 13px solid transparent;
}
.page-privacy .toc-title {
  margin: 0 0 1rem;
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--stone);
}
.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}
.page-privacy .toc-list li { margin: 0; }
.page-privacy .toc-list a {
  display: flex;
  align-items: center;
  gap: .9rem;
  min-height: 44px;
  padding: .5rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  font-size: .98rem;
  transition: color .12s var(--ease);
}
.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible { color: var(--cyan); }
.page-privacy .toc-no {
  flex: 0 0 auto;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 章节骨架 ---------- */
.page-privacy .privacy-doc { padding-top: 1.5rem; }

.page-privacy .chapter {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 28px);
}
.page-privacy .chapter:last-of-type { border-bottom: none; }

.page-privacy .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.page-privacy .chapter-no {
  flex: 0 0 auto;
  padding-top: .3rem;
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--stone);
}
.page-privacy .chapter-head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .07em;
}

.page-privacy .chapter-body { max-width: var(--privacy-measure); }
.page-privacy .chapter-body p {
  margin: 0 0 1.15rem;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(236, 233, 226, .84);
}
.page-privacy .chapter-body p:last-child { margin-bottom: 0; }
.page-privacy .chapter-body a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: .22em;
  transition: color .12s var(--ease);
}
.page-privacy .chapter-body a:hover,
.page-privacy .chapter-body a:focus-visible { color: var(--cyan); }
.page-privacy .inline-contact {
  color: var(--paper);
  font-size: .94em;
  word-break: break-all;
}

/* ---------- 三类信息 ---------- */
.page-privacy .scope-list {
  margin: 0 0 1.5rem;
  padding: 0;
}
.page-privacy .scope-item {
  display: grid;
  gap: .4rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-privacy .scope-item:first-child { border-top: 1px solid var(--line-soft); }
.page-privacy .scope-item dt {
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--paper);
}
.page-privacy .scope-item dd {
  margin: 0;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(236, 233, 226, .78);
}

/* ---------- 使用环节 ---------- */
.page-privacy .use-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}
.page-privacy .use-list li {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-privacy .use-list li:first-child { border-top: 1px solid var(--line-soft); }
.page-privacy .use-list h3 {
  margin: 0 0 .4rem;
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--paper);
}
.page-privacy .use-list p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(236, 233, 226, .78);
}

/* ---------- 权限等级与权利条目（悬停左线转陶土） ---------- */
.page-privacy .access-list,
.page-privacy .rights-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.page-privacy .access-list li,
.page-privacy .rights-list li {
  padding: .95rem 0 .95rem 1.05rem;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  transition: border-left-color .12s var(--ease);
}
.page-privacy .access-list li:hover,
.page-privacy .access-list li:focus-within,
.page-privacy .rights-list li:hover,
.page-privacy .rights-list li:focus-within {
  border-left-color: var(--clay);
}
.page-privacy .access-list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 1rem;
}
.page-privacy .access-level {
  padding-top: .15rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-privacy .access-list h3,
.page-privacy .rights-list h3 {
  margin: 0 0 .32rem;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--paper);
}
.page-privacy .access-list p,
.page-privacy .rights-list p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(236, 233, 226, .78);
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 560px) {
  .page-privacy .privacy-hero { padding-top: 1.5rem; }
  .page-privacy .chapter { padding: 2rem 0; }
  .page-privacy .chapter-head { gap: .7rem; }
  .page-privacy .scope-item { padding: .9rem 0; }
}

/* ---------- 桌面：正文整体右移，左侧留出四栏空白 ---------- */
@media (min-width: 640px) {
  .page-privacy .scope-item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}
@media (min-width: 720px) {
  .page-privacy .toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 3rem;
  }
}
@media (min-width: 1024px) {
  .page-privacy .privacy-hero { padding-top: 2.75rem; }
  .page-privacy .chapter { padding-left: clamp(0px, 20%, 16rem); }
  .page-privacy .chapter-body p { font-size: 1.02rem; }
  .page-privacy .chapter-head h2 { letter-spacing: .08em; }
}
@media (min-width: 1280px) {
  .page-privacy .chapter { padding: 3rem 0 3rem clamp(0px, 20%, 16rem); }
}
</main>