.page-privacy {
  --pp-rule: rgba(7, 26, 20, 0.14);
  --pp-radius-cut: 26px;
  background:
    radial-gradient(900px 420px at 88% -120px, rgba(57, 242, 208, 0.14), transparent 62%),
    radial-gradient(760px 400px at -10% 12%, rgba(31, 92, 74, 0.55), transparent 66%),
    var(--by-ink);
  color: var(--by-white);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-privacy a {
  color: var(--by-cyan-soft);
}

.page-privacy .pp-crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-privacy .pp-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 56px);
}

.page-privacy .pp-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-privacy .pp-hero__title {
  margin: 10px 0 14px;
  font-family: var(--by-display);
  font-size: clamp(38px, 9vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--by-white);
}

.page-privacy .pp-hero__lead {
  max-width: 46ch;
  color: var(--by-cyan-soft);
}

.page-privacy .pp-hero__meta {
  margin-top: 18px;
  font-family: var(--by-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--by-amber);
  text-transform: uppercase;
}

.page-privacy .pp-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--by-line);
  background: var(--by-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

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

/* 主体布局 */
.page-privacy .pp-layout {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  min-width: 0;
}

.page-privacy .pp-aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-privacy .pp-toc,
.page-privacy .pp-summary {
  padding: 18px 18px 20px;
  background: var(--by-panel);
  border: 1px solid var(--by-line-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-privacy .pp-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 4px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--by-cyan-soft);
  text-decoration: none;
  border-bottom: 1px dashed var(--by-line-soft);
  transition: color 0.25s var(--by-ease), background-color 0.25s var(--by-ease);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--by-white);
  background: rgba(57, 242, 208, 0.1);
}

.page-privacy .pp-toc__num {
  font-family: var(--by-mono);
  font-size: 12px;
  color: var(--by-cyan);
  letter-spacing: 0.06em;
}

.page-privacy .pp-summary {
  border-color: rgba(255, 196, 107, 0.4);
}

.page-privacy .pp-summary__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-summary__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.page-privacy .pp-summary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--by-amber);
  transform: rotate(45deg);
}

/* 条款面板 */
.page-privacy .pp-articles {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  min-width: 0;
}

.page-privacy .pp-clause {
  background: var(--by-paper);
  color: var(--by-slate);
  padding: clamp(22px, 3.4vw, 40px);
  scroll-margin-top: 96px;
  clip-path: polygon(0 0, calc(100% - var(--pp-radius-cut)) 0, 100% var(--pp-radius-cut), 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-privacy .pp-clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-rule);
}

.page-privacy .pp-clause__num {
  font-family: var(--by-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--by-orange);
}

.page-privacy .pp-clause h2 {
  margin: 0;
  font-size: clamp(19px, 3.2vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--by-ink);
}

.page-privacy .pp-clause p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--by-slate);
  word-break: break-word;
}

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

.page-privacy .pp-clause a {
  color: var(--by-moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pp-clause a:hover,
.page-privacy .pp-clause a:focus-visible {
  color: var(--by-ink);
}

.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: 1.8;
  color: var(--by-slate);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--by-moss);
}

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

.page-privacy .pp-more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--pp-rule);
}

.page-privacy .pp-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--by-moss);
}

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

.page-privacy .pp-more > summary::after {
  content: "展开";
  flex: none;
  font-family: var(--by-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  color: var(--by-ink);
  background: rgba(57, 242, 208, 0.28);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 6px));
}

.page-privacy .pp-more[open] > summary::after {
  content: "收起";
  background: rgba(255, 138, 61, 0.3);
}

.page-privacy .pp-more > summary:focus-visible {
  outline: 2px solid var(--by-cyan);
  outline-offset: 3px;
}

.page-privacy .pp-more > p,
.page-privacy .pp-more > ul {
  margin-top: 12px;
}

.page-privacy .pp-filing {
  margin-top: 18px !important;
  padding-top: 12px;
  border-top: 1px solid var(--pp-rule);
  font-family: var(--by-mono);
  font-size: 12.5px !important;
  letter-spacing: 0.04em;
  color: rgba(63, 84, 77, 0.86) !important;
}

.page-privacy .pp-top {
  margin: 4px 0 0;
  text-align: right;
}

.page-privacy .pp-top__link {
  display: inline-block;
  font-family: var(--by-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  color: var(--by-cyan);
  text-decoration: none;
  border: 1px solid var(--by-line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-privacy .pp-top__link:hover,
.page-privacy .pp-top__link:focus-visible {
  color: var(--by-ink);
  background: var(--by-cyan);
}

/* 平板及桌面 */
@media (min-width: 760px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-privacy .pp-hero__figure {
    margin-top: -12px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 48px);
    align-items: start;
  }

  .page-privacy .pp-aside {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pp-clause {
    padding: clamp(28px, 3vw, 44px) clamp(28px, 3.4vw, 52px);
  }
}

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

@media print {
  .page-privacy {
    background: #ffffff;
    color: #111111;
    padding: 0;
  }

  .page-privacy .pp-aside,
  .page-privacy .pp-top,
  .page-privacy .pp-hero__figure,
  .page-privacy .pp-crumb {
    display: none;
  }

  .page-privacy .pp-layout {
    display: block;
  }

  .page-privacy .pp-clause {
    clip-path: none;
    border: 1px solid #cccccc;
    margin-bottom: 14px;
    break-inside: avoid;
  }

  .page-privacy .pp-clause h2,
  .page-privacy .pp-clause p,
  .page-privacy .pp-list li,
  .page-privacy .pp-clause a {
    color: #111111;
  }
}
<<<END>>>