.page-privacy {
  --pp-rail: 204px;
  --pp-measure: 74ch;
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(22px, 4vw, 36px);
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-privacy .pp-hero__head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px 20px;
}

.page-privacy .pp-hero h1 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(38px, 8.4vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .pp-hero__anno {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 8px;
}

.page-privacy .pp-hero__lead {
  max-width: 62ch;
  margin: clamp(16px, 3vw, 26px) 0 0;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 摘要卡 ---------- */
.page-privacy .pp-brief {
  padding: clamp(8px, 2vw, 18px) 0 clamp(34px, 6vw, 64px);
}

.page-privacy .pp-brief__card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.2vw, 44px);
  border: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(7, 19, 15, 0.94), rgba(14, 32, 25, 0.97));
  box-shadow: var(--shadow);
}

.page-privacy .pp-brief__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-privacy .pp-brief__card > *:not(.pp-brief__bg) {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-brief__label {
  margin: 0 0 10px;
}

.page-privacy .pp-brief__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-narrow);
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-privacy .pp-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-brief__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-top: 14px;
  border-top: var(--hairline);
}

.page-privacy .pp-brief__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-brief__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding: 3px 7px;
  border: 1px solid rgba(53, 242, 192, 0.4);
  border-radius: 3px;
}

.page-privacy .pp-brief__item p {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--ink);
}

.page-privacy .pp-more {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: 16px;
  border-top: var(--hairline);
}

.page-privacy .pp-more > summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  list-style: none;
}

.page-privacy .pp-more > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-more > summary::after {
  content: " +";
}

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

.page-privacy .pp-more__body {
  margin-top: 14px;
}

.page-privacy .pp-more__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-privacy .pp-rail {
  display: none;
}

.page-privacy .pp-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pp-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 15px;
  border-left: 1px solid var(--line);
}

.page-privacy .pp-rail__list > li {
  margin: 0;
}

.page-privacy .pp-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-right: 8px;
}

.page-privacy .pp-rail .toc__link {
  display: block;
  margin-left: -16px;
  padding: 8px 0 8px 13px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-rail .toc__link:hover,
.page-privacy .pp-rail .toc__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-privacy .pp-rail .toc__link[aria-current="true"] .pp-rail__num {
  color: var(--cyan);
}

.page-privacy .pp-doc {
  max-width: 780px;
}

/* ---------- 条款 ---------- */
.page-privacy .pp-clause {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(24px, 4vw, 34px) 0 clamp(26px, 4vw, 38px);
  border-top: var(--hairline);
  scroll-margin-top: 110px;
}

.page-privacy .pp-clause:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pp-clause::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 22px;
  height: 3px;
  background: var(--cyan);
}

.page-privacy .pp-clause:first-of-type::before {
  display: none;
}

.page-privacy .pp-clause__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding: 3px 8px;
  border: 1px solid rgba(53, 242, 192, 0.35);
  border-radius: 3px;
}

.page-privacy .pp-clause__main h2 {
  margin: 6px 0 12px;
  font-family: var(--font-narrow);
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pp-clause__main p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pp-clause__main p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-clause__main a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pp-clause__main a:hover {
  color: var(--cyan-soft);
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-privacy .pp-list strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.page-privacy .pp-term {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(53, 242, 192, 0.08);
  color: var(--cyan-soft);
  white-space: nowrap;
}

/* ---------- 联系行与注释 ---------- */
.page-privacy .pp-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 6px 0 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-privacy .pp-contact-row__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pp-contact-row__val {
  font-size: 14.5px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-privacy .pp-contact-row__val:hover {
  color: var(--cyan-soft);
}

.page-privacy .pp-copy {
  padding: 7px 14px;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pp-copy:hover,
.page-privacy .pp-copy[data-copied] {
  background: var(--cyan);
  color: var(--bg);
}

.page-privacy .pp-note {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(30px, 5vw, 48px);
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pp-top:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-privacy .pp-clause {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 26px;
  }

  .page-privacy .pp-clause__index {
    font-size: 17px;
    padding: 4px 0 0;
    border: 0;
    letter-spacing: 0.06em;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pp-rail {
    display: block;
    position: sticky;
    top: 104px;
  }

  .page-privacy .pp-clause__index {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-rail .toc__link,
  .page-privacy .pp-copy,
  .page-privacy .pp-top {
    transition: none;
  }
}