.page-privacy {
  --pp-measure: 66ch;
  --pp-ink-soft: #46423c;
  --pp-ink-faint: #6d665c;
  --pp-spring: #5c8a06;
  --pp-summer: #0b6f96;
  --pp-autumn: #b05f0a;
  --pp-winter: #5a6b78;
  --pp-accent: var(--pp-summer);
  background: var(--ink-950);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 44px) 0 clamp(52px, 8vw, 104px);
  background: var(--ink-950);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.4;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(118deg, rgba(8, 12, 16, 0.95) 0%, rgba(8, 12, 16, 0.78) 48%, rgba(17, 26, 33, 0.58) 100%),
    linear-gradient(180deg, rgba(8, 12, 16, 0.25) 0%, rgba(8, 12, 16, 0.92) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
}

.page-privacy .privacy-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(30px, 5vw, 58px) 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--winter);
}

.page-privacy .privacy-hero__stripe {
  display: inline-block;
  width: 62px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--spring) 0%, var(--summer) 34%, var(--autumn) 68%, var(--winter) 100%);
}

.page-privacy .privacy-hero__title {
  margin: 20px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 6.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .privacy-hero__lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 文档外壳 ---------- */
.page-privacy .privacy-doc {
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 112px);
  background: var(--paper-50);
  color: var(--paper-ink);
}

.page-privacy .privacy-doc__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

/* ---------- 章节目录 ---------- */
.page-privacy .privacy-toc {
  border-top: 2px solid var(--paper-ink);
  padding-top: 16px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--pp-ink-faint);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--paper-300);
}

.page-privacy .privacy-toc__item {
  margin: 0;
}

.page-privacy .privacy-toc__link {
  display: block;
  padding: 7px 0 7px 2px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--pp-ink-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .privacy-toc__num {
  display: inline-block;
  min-width: 22px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--pp-ink-faint);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--paper-ink);
  transform: translateX(3px);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--pp-measure);
}

.page-privacy .legal-section {
  scroll-margin-top: 112px;
  padding-bottom: clamp(32px, 4.4vw, 50px);
  margin-bottom: clamp(32px, 4.4vw, 50px);
  border-bottom: 1px solid var(--paper-300);
}

.page-privacy .legal-section--last {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .legal-section--spring { --pp-accent: var(--pp-spring); }
.page-privacy .legal-section--summer { --pp-accent: var(--pp-summer); }
.page-privacy .legal-section--autumn { --pp-accent: var(--pp-autumn); }
.page-privacy .legal-section--winter { --pp-accent: var(--pp-winter); }

.page-privacy .legal-section__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .legal-section__num {
  flex: none;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--paper-ink);
  border: 1px solid var(--paper-300);
  border-radius: 2px;
}

.page-privacy .legal-section__bar {
  flex: none;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--pp-accent);
}

.page-privacy .legal-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.32rem, 2.6vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-privacy .privacy-body p {
  margin: 0 0 0.95em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pp-ink-soft);
}

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

.page-privacy .privacy-body a {
  color: #0b5470;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(11, 84, 112, 0.42);
}

.page-privacy .privacy-body a:hover {
  text-decoration-color: rgba(11, 84, 112, 0.9);
}

/* 定义列表：信息类型 / 保存期限 对照 */
.page-privacy .legal-dl {
  margin: 18px 0 0;
  border-top: 1px solid var(--paper-300);
}

.page-privacy .legal-dl__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-300);
}

.page-privacy .legal-dl__key {
  font-family: var(--font-mono);
  font-size: 0.8438rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper-ink);
}

.page-privacy .legal-dl__val {
  margin: 0;
  font-size: 0.9688rem;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

/* 条目列表 */
.page-privacy .legal-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .legal-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9688rem;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

.page-privacy .legal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  border-radius: 1px;
  background: var(--pp-accent);
}

.page-privacy .legal-list li + li {
  margin-top: 0;
}

/* 提示条 */
.page-privacy .privacy-note {
  margin: 20px 0 0;
  padding: 15px 18px 15px 20px;
  border-left: 3px solid var(--pp-accent);
  background: rgba(23, 19, 16, 0.045);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

/* 联系方式块 */
.page-privacy .privacy-contact {
  margin: 22px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--paper-300);
  border-radius: 2px;
  background: rgba(23, 19, 16, 0.028);
}

.page-privacy .privacy-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pp-ink-soft);
}

.page-privacy .privacy-contact__row:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-contact__key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--pp-ink-faint);
}

.page-privacy .privacy-contact__val {
  color: var(--paper-ink);
  word-break: break-word;
}

/* ---------- 折叠组 ---------- */
.page-privacy .privacy-extra {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 2px solid var(--paper-ink);
}

.page-privacy .privacy-extra__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.3;
  color: var(--paper-ink);
}

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

.page-privacy .accordion__item {
  border-bottom: 1px solid var(--paper-300);
}

.page-privacy .accordion__item:first-child {
  border-top: 1px solid var(--paper-300);
}

.page-privacy .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  color: var(--paper-ink);
  cursor: pointer;
}

.page-privacy .accordion__trigger::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--pp-summer);
  border-bottom: 2px solid var(--pp-summer);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.3s var(--ease);
}

.page-privacy .accordion__item[data-open] .accordion__trigger::after {
  transform: rotate(-135deg) translateY(-3px);
}

.page-privacy .accordion__body {
  padding: 0 0 18px;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--pp-ink-soft);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  padding: 26px 0 34px;
  background: var(--ink-950);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-top__inner {
  display: flex;
  justify-content: flex-start;
}

.page-privacy .privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--winter);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .privacy-backtop::before {
  content: "";
  width: 8px;
  height: 8px;
  border-left: 2px solid var(--spring);
  border-top: 2px solid var(--spring);
  transform: rotate(45deg) translate(1px, 1px);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  color: var(--text);
  border-color: var(--summer);
  background-color: rgba(55, 199, 255, 0.08);
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-privacy .privacy-toc {
    display: none;
  }
}

@media (min-width: 700px) {
  .page-privacy .legal-dl__row {
    grid-template-columns: minmax(150px, 210px) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-doc__grid {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    gap: clamp(40px, 5.5vw, 78px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .accordion__trigger::after,
  .page-privacy .privacy-backtop {
    transition: none;
  }
}