.page-privacy {
  --privacy-paper-line: rgba(11, 27, 43, .14);
  --privacy-paper-text: rgba(34, 48, 58, .82);
  --privacy-measure: 66ch;
  color: var(--cream);
  background: var(--ink-900);
}

.page-privacy a {
  color: inherit;
}

.page-privacy a:focus-visible,
.page-privacy button:focus-visible,
.page-privacy summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 3px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-space) + 1.5rem) 0 clamp(2.75rem, 6vw, 4.5rem);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -24% -10% auto -10%;
  height: 134%;
  background: linear-gradient(104deg, var(--ink-700) 0%, var(--ink-900) 60%, #071320 100%);
  transform: skewY(-6deg);
  transform-origin: left top;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  bottom: 24%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 30%, rgba(201, 145, 63, 0) 88%);
  transform: rotate(-6deg);
  opacity: .85;
}

.page-privacy .privacy-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
}

.page-privacy .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-privacy .breadcrumbs a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .breadcrumbs a:hover {
  color: var(--cream);
  border-bottom-color: var(--gold-soft);
}

.page-privacy .privacy-hero__text .k8-num {
  display: inline-block;
  margin: 0 0 .9rem;
  padding: .28rem .6rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold-soft);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(.98rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-hero__keys {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-privacy .privacy-hero__keys li {
  position: relative;
  padding: .32rem .7rem .32rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--gold-soft);
  background: rgba(18, 48, 74, .55);
}

.page-privacy .privacy-hero__keys li::before {
  content: "";
  position: absolute;
  left: .62rem;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  overflow: hidden;
  background: var(--ink-700);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.75) contrast(1.02);
}

.page-privacy .privacy-hero__figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .45rem .75rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--gold-soft);
  background: rgba(11, 27, 43, .82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-main {
  background: var(--paper);
  color: var(--charcoal);
  padding: clamp(2.25rem, 5.5vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
}

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
  align-items: start;
}

.page-privacy .toc-rail {
  border: 1px solid var(--privacy-paper-line);
  border-radius: 3px;
  background: var(--mist);
  padding: 1rem 1.1rem 1.15rem;
}

.page-privacy .toc-title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-700);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-privacy .toc-link {
  display: block;
  padding: .5rem .6rem;
  border-left: 2px solid transparent;
  font-size: .88rem;
  line-height: 1.5;
  text-decoration: none;
  color: var(--privacy-paper-text);
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--ink-900);
  border-left-color: var(--gold);
  background: rgba(242, 233, 218, .92);
}

.page-privacy .toc-link[aria-current="true"] {
  color: var(--ink-900);
  border-left-color: var(--gold);
  background: var(--paper);
  font-weight: 500;
}

.page-privacy .privacy-rail-note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid rgba(11, 27, 43, .12);
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(34, 48, 58, .66);
}

/* ---------- 章节 ---------- */
.page-privacy .policy-section {
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--privacy-paper-line);
}

.page-privacy .policy-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .policy-section + .policy-section {
  margin-top: clamp(2rem, 4.5vw, 3.25rem);
}

.page-privacy .policy-section__num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--brick);
}

.page-privacy .policy-section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
  text-align: left;
}

.page-privacy .policy-lead {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--charcoal);
}

.page-privacy .policy-section p,
.page-privacy .policy-section li {
  max-width: var(--privacy-measure);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--privacy-paper-text);
}

.page-privacy .policy-sub {
  margin: 2rem 0 .75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -.005em;
  color: var(--ink-900);
}

.page-privacy .policy-note {
  margin: 1.5rem 0 0;
  padding: .9rem 0 .9rem 1.1rem;
  border-left: 2px solid var(--gold);
  max-width: var(--privacy-measure);
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(34, 48, 58, .76);
  background: linear-gradient(90deg, rgba(229, 196, 138, .18), rgba(229, 196, 138, 0) 82%);
}

/* ---------- 三类信息 ---------- */
.page-privacy .source-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--privacy-paper-line);
  counter-reset: none;
}

.page-privacy .source-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .25rem 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--privacy-paper-line);
  max-width: none;
}

.page-privacy .source-list__idx {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: .25rem;
}

.page-privacy .source-list__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink-900);
}

.page-privacy .source-list__desc {
  grid-column: 2;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--privacy-paper-text);
}

/* ---------- 三项用途 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-privacy .purpose-list li {
  position: relative;
  padding: .2rem 0 .2rem 1.15rem;
  border-left: 2px solid var(--line-strong);
  max-width: none;
}

.page-privacy .purpose-list h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-privacy .purpose-list p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--privacy-paper-text);
}

/* ---------- 保存期限 ---------- */
.page-privacy .retention {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--privacy-paper-line);
}

.page-privacy .retention__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--privacy-paper-line);
}

.page-privacy .retention dt {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--ink-700);
}

.page-privacy .retention dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--privacy-paper-text);
}

/* ---------- 折叠块 ---------- */
.page-privacy .policy-fold {
  margin-top: 1.75rem;
  padding: .95rem 1.1rem;
  border: 1px solid var(--privacy-paper-line);
  border-radius: 4px;
  background: rgba(201, 214, 217, .38);
}

.page-privacy .policy-fold summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--ink-700);
  list-style: none;
}

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

.page-privacy .policy-fold summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  margin-right: .4rem;
  color: var(--gold);
  font-weight: 700;
}

.page-privacy .policy-fold[open] summary::before {
  content: "−";
}

.page-privacy .policy-fold p {
  margin: .8rem 0 0;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--privacy-paper-text);
}

/* ---------- 权利与联系 ---------- */
.page-privacy .rights-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-privacy .rights-list li {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: .9rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--privacy-paper-line);
  max-width: none;
}

.page-privacy .rights-list__k {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .3rem;
}

.page-privacy .rights-list__v {
  font-size: .96rem;
  line-height: 1.85;
  color: var(--privacy-paper-text);
}

.page-privacy .contact-panel {
  position: relative;
  overflow: hidden;
  margin-top: 2rem;
  padding: clamp(1.2rem, 3vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-900) 100%);
  color: var(--cream);
}

.page-privacy .contact-panel::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -40%;
  width: 52%;
  height: 180%;
  background: linear-gradient(180deg, rgba(201, 145, 63, .22), rgba(201, 145, 63, 0));
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-privacy .contact-panel .k8-num {
  position: relative;
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-privacy .contact-panel__line {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
  margin: 0 0 .55rem;
  font-size: .98rem;
  line-height: 1.7;
  color: var(--cream);
}

.page-privacy .contact-panel__label {
  min-width: 4.6rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-privacy .contact-panel__value {
  font-family: var(--font-mono);
  font-size: .96rem;
  letter-spacing: .02em;
  color: var(--gold-soft);
  word-break: break-all;
}

.page-privacy .contact-panel__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: 1.1rem;
}

.page-privacy .contact-panel .copy-btn {
  appearance: none;
  border: 1px solid var(--gold);
  border-radius: 2px;
  padding: .55rem 1.05rem;
  background: var(--gold);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .contact-panel .copy-btn:hover {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

.page-privacy .contact-panel .copy-feedback {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--gold-soft);
}

.page-privacy .contact-panel__note {
  position: relative;
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
  max-width: 52ch;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 收束区 ---------- */
.page-privacy .privacy-tail {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: linear-gradient(160deg, var(--ink-700) 0%, var(--ink-900) 78%);
  color: var(--cream);
}

.page-privacy .privacy-tail::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 45%, transparent);
}

.page-privacy .privacy-tail__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.page-privacy .privacy-tail__intro .k8-num {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-privacy .privacy-tail h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.4;
  color: var(--cream);
}

.page-privacy .privacy-tail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-tail__links a {
  display: grid;
  gap: .2rem;
  padding: .9rem .25rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color .18s var(--ease), padding-left .18s var(--ease);
}

.page-privacy .privacy-tail__links a:hover,
.page-privacy .privacy-tail__links a:focus-visible {
  background: rgba(201, 145, 63, .1);
  padding-left: .7rem;
}

.page-privacy .privacy-tail__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  color: var(--gold-soft);
}

.page-privacy .privacy-tail__desc {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--teal);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-privacy .source-list li {
    grid-template-columns: 2.8rem 11rem minmax(0, 1fr);
    align-items: baseline;
  }

  .page-privacy .source-list__desc {
    grid-column: 3;
  }

  .page-privacy .retention__row {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

  .page-privacy .privacy-tail__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 1.25rem 3rem;
    align-items: end;
  }

  .page-privacy .privacy-hero__inner .breadcrumbs {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-hero__text {
    grid-column: 1;
    grid-row: 2;
    padding-bottom: .5rem;
  }

  .page-privacy .privacy-hero__figure {
    grid-column: 2;
    grid-row: 2;
    align-self: stretch;
  }

  .page-privacy .privacy-hero__figure img {
    height: 100%;
    object-fit: cover;
  }

  .page-privacy .privacy-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-privacy .toc-rail {
    position: sticky;
    top: calc(var(--header-space) + 1.25rem);
  }

  .page-privacy .privacy-article {
    padding-right: .5rem;
  }
}

@media (min-width: 1140px) {
  .page-privacy .privacy-body {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .breadcrumbs a,
  .page-privacy .privacy-tail__links a,
  .page-privacy .contact-panel .copy-btn {
    transition: none;
  }
}
<<<END>>>