.page-privacy {
  --pv-gap: clamp(20px, 3.4vw, 44px);
  --pv-accent-line: linear-gradient(90deg, var(--cyan) 0 20%, var(--amber) 20% 28%, var(--line-1) 28%);
}

.page-privacy img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 首屏 */
.page-privacy .pv-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line-1);
}

.page-privacy .pv-hero__rule {
  height: 3px;
  width: 100%;
  background: var(--pv-accent-line);
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-privacy .pv-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(1.75rem, 6.6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: .01em;
  font-weight: 800;
  color: var(--paper);
  max-width: 22ch;
}

.page-privacy .pv-hero .lede {
  margin-top: 18px;
  color: var(--paper-2);
  font-size: clamp(.96rem, 2.3vw, 1.06rem);
  line-height: 1.85;
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* 非对称分栏 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-gap);
  padding-top: clamp(26px, 5vw, 54px);
}

@media (min-width: 980px) {
  .page-privacy .pv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

/* 侧栏定位 */
.page-privacy .pv-index {
  border: 1px solid var(--line-1);
  background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
  padding: 16px 18px 18px;
}

.page-privacy .pv-index__title {
  margin: 0 0 12px;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .pv-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  color: var(--paper-2);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.5;
  border-bottom: 1px dashed var(--line-1);
  transition: color var(--t-fast) ease;
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-index__list li:last-child a {
  border-bottom: 0;
}

.page-privacy .pv-index__num {
  color: var(--cyan-600);
  font-size: .72rem;
  letter-spacing: .06em;
}

@media (min-width: 980px) {
  .page-privacy .pv-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }
}

/* 章节 */
.page-privacy .pv-sec {
  padding: clamp(28px, 4vw, 50px) 0;
  border-top: 1px solid var(--line-1);
}

.page-privacy .pv-body > .pv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-sec--amber,
.page-privacy .pv-sec--cyan {
  padding-inline: clamp(14px, 3vw, 28px);
}

.page-privacy .pv-sec--amber {
  background: linear-gradient(180deg, var(--amber-900), transparent 78%);
  border-top-color: var(--line-2);
}

.page-privacy .pv-sec--cyan {
  background: linear-gradient(180deg, var(--cyan-900), transparent 78%);
  border-top-color: var(--line-2);
}

.page-privacy .pv-sec__h {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 0;
  font-size: clamp(1.12rem, 3.2vw, 1.6rem);
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
  line-height: 1.35;
}

.page-privacy .pv-sec__num {
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
  flex: none;
}

.page-privacy .pv-sec--amber .pv-sec__num {
  color: var(--amber);
}

.page-privacy .pv-sec__text {
  margin: 16px 0 0;
  max-width: 74ch;
  color: var(--paper-2);
  font-size: .95rem;
  line-height: 1.85;
}

.page-privacy .pv-sec__text + .pv-sec__text {
  margin-top: 12px;
}

/* 条目列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .pv-list li {
  border-left: 2px solid var(--line-2);
  padding-left: 16px;
}

.page-privacy .pv-list__k {
  display: block;
  color: var(--paper);
  font-weight: 700;
  font-size: .98rem;
  letter-spacing: .01em;
}

.page-privacy .pv-list p {
  margin: 6px 0 0;
  color: var(--paper-2);
  font-size: .92rem;
  line-height: 1.78;
}

/* 用途四格 */
.page-privacy .pv-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

@media (min-width: 700px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-privacy .pv-uses__item {
  border: 1px solid var(--line-1);
  background: var(--ink-850);
  padding: 16px 16px 18px;
}

.page-privacy .pv-uses__k {
  display: block;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .pv-uses__t {
  margin: 10px 0 0;
  color: var(--paper);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
}

.page-privacy .pv-uses__item p:last-child {
  margin: 8px 0 0;
  color: var(--paper-2);
  font-size: .9rem;
  line-height: 1.72;
}

/* 留存时间轴 */
.page-privacy .pv-timeline {
  margin: 26px 0 0;
  border-left: 1px solid var(--line-2);
}

.page-privacy .pv-timeline__item {
  position: relative;
  padding: 0 0 24px 24px;
}

.page-privacy .pv-timeline__item:last-child {
  padding-bottom: 0;
}

.page-privacy .pv-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--amber);
}

.page-privacy .pv-timeline__k {
  display: block;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-privacy .pv-timeline__t {
  display: block;
  margin-top: 5px;
  color: var(--paper);
  font-weight: 700;
  font-size: .98rem;
}

.page-privacy .pv-timeline p {
  margin: 6px 0 0;
  max-width: 68ch;
  color: var(--paper-2);
  font-size: .9rem;
  line-height: 1.75;
}

/* 配图 */
.page-privacy .pv-figure {
  margin: 24px 0 26px;
}

.page-privacy .pv-figure img {
  width: 100%;
  object-fit: cover;
}

/* 联系信息 */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 24px;
  margin: 24px 0 0;
}

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

.page-privacy .pv-contact dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-privacy .pv-contact dd {
  margin: 7px 0 0;
  color: var(--paper);
  font-size: .96rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .pv-contact__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
  color: var(--paper-3);
  font-size: .88rem;
  line-height: 1.75;
}

@media (max-width: 420px) {
  .page-privacy .pv-hero h1 {
    font-size: 1.65rem;
  }

  .page-privacy .pv-sec__h {
    flex-direction: column;
    gap: 6px;
  }
}
<<<END>>>