.page-privacy {
  --pp-measure: 68ch;
  --pp-band: linear-gradient(90deg, var(--aurora-cyan), var(--aurora) 46%, var(--maple));
  display: block;
  padding-bottom: clamp(64px, 9vw, 112px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(24px, 5vw, 52px));
  padding-bottom: clamp(30px, 4vw, 46px);
  background:
    radial-gradient(1080px 420px at 86% -18%, rgba(79, 227, 208, .22), transparent 64%),
    radial-gradient(880px 380px at 4% -4%, rgba(14, 111, 224, .16), transparent 60%),
    var(--ice);
}

.page-privacy .privacy-hero::after {
  content: "";
  display: block;
  height: 5px;
  margin-top: clamp(28px, 4vw, 44px);
  background: var(--pp-band);
  opacity: .9;
}

.page-privacy .privacy-hero__inner {
  max-width: 860px;
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--slate);
}

.page-privacy .privacy-hero__banner {
  margin-top: clamp(26px, 4vw, 40px);
}

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

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 40px);
  margin-top: clamp(38px, 6vw, 64px);
}

.page-privacy .privacy-article {
  max-width: var(--pp-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-privacy .privacy-article p {
  margin: 16px 0 0;
}

.page-privacy .privacy-article a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 111, 224, .32);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-article a:hover {
  color: var(--maple);
  border-bottom-color: rgba(214, 40, 40, .5);
}

.page-privacy .privacy-article a:focus-visible {
  outline: 2px solid var(--aurora-light);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-toc {
  padding: 16px 18px;
  border: 1px solid var(--frost);
  border-radius: var(--radius-md);
  background: var(--glass);
}

.page-privacy .privacy-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: block;
  padding: 7px 0 7px 12px;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--aurora);
  border-left-color: var(--aurora-cyan);
  background: rgba(79, 227, 208, .10);
}

.page-privacy .privacy-aside {
  display: none;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(44px, 6vw, 68px);
}

.page-privacy .privacy-sec__title {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding-bottom: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.1vw, 25px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .privacy-sec__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 58px;
  height: 3px;
  border-radius: 2px;
  background: var(--pp-band);
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--aurora);
}

/* ---------- 条目卡 ---------- */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-privacy .privacy-item {
  padding: 16px 18px;
  border: 1px solid var(--frost);
  border-radius: var(--radius-md);
  background: var(--glass);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-privacy .privacy-item:hover {
  transform: translateY(-4px);
  border-color: var(--aurora-light);
  box-shadow: var(--shadow-2);
}

.page-privacy .privacy-item__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .privacy-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 提示块 ---------- */
.page-privacy .privacy-note {
  margin-top: 20px;
  padding: 15px 20px;
  border: 1px solid var(--frost);
  border-left: 3px solid var(--aurora-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(79, 227, 208, .12), rgba(14, 111, 224, .04));
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 用途步骤 ---------- */
.page-privacy .privacy-steps {
  counter-reset: pp;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .privacy-steps li {
  counter-increment: pp;
  position: relative;
  padding-left: 48px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--slate);
}

.page-privacy .privacy-steps li::before {
  content: counter(pp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--maple);
  background: rgba(255, 107, 91, .12);
  border: 1px solid rgba(214, 40, 40, .26);
  border-radius: 6px;
}

.page-privacy .privacy-steps strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 说明列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--slate);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .66em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--aurora-cyan), var(--aurora));
}

.page-privacy .privacy-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 联系块 ---------- */
.page-privacy .privacy-contact {
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(520px 200px at 108% -30%, rgba(79, 227, 208, .30), transparent 62%),
    linear-gradient(135deg, var(--aurora-deep), #0a3c74 68%);
  box-shadow: var(--shadow-2);
}

.page-privacy .privacy-contact__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

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

.page-privacy .privacy-contact__row--plain {
  border-bottom: 0;
}

.page-privacy .privacy-contact__label {
  flex: 0 0 82px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .68);
}

.page-privacy .privacy-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: #fff;
  word-break: break-all;
}

.page-privacy .privacy-contact .copy-btn {
  margin-left: auto;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-contact .copy-btn:hover {
  background: rgba(79, 227, 208, .24);
  border-color: var(--aurora-cyan);
}

.page-privacy .privacy-contact .copy-btn:focus-visible {
  outline: 2px solid var(--aurora-cyan);
  outline-offset: 2px;
}

.page-privacy .privacy-more {
  margin-top: 20px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 680px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .page-privacy .privacy-grid .privacy-item:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面：章节导航吸附左侧 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: 208px minmax(0, var(--pp-measure)) 1fr;
    column-gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .privacy-aside {
    display: block;
    min-height: 1px;
  }

  .page-privacy .privacy-grid .privacy-item:first-child {
    grid-column: auto;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-item,
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-contact .copy-btn {
    transition: none;
  }

  .page-privacy .privacy-item:hover {
    transform: none;
  }
}