/* ===== 隐私中心 / page-privacy ===== */

.page-privacy {
  --pv-line: rgba(20, 22, 28, 0.14);
  --pv-green: #12855a;
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--text);
  padding: clamp(44px, 7vw, 92px) 0 clamp(40px, 5.4vw, 74px);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(92% 128% at 92% 4%, rgba(255, 106, 26, 0.30), rgba(226, 58, 30, 0.11) 42%, rgba(10, 12, 17, 0) 72%),
    repeating-linear-gradient(115deg, rgba(47, 210, 255, 0.055) 0 1px, rgba(10, 12, 17, 0) 1px 27px);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--grad-progress);
  z-index: 0;
}

.page-privacy .pv-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
  color: var(--mist);
}

.page-privacy .pv-hero .breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
}

.page-privacy .pv-hero .breadcrumb a:hover {
  color: var(--flame);
}

.page-privacy .pv-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--flame);
}

.page-privacy .pv-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 10vw, 116px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  background: linear-gradient(104deg, #ffffff 0%, #ffffff 42%, var(--flame) 80%, var(--lava) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-privacy .pv-hero__lede {
  max-width: 62ch;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-privacy .pv-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__tags .chip {
  border: 1px solid var(--line-strong);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.page-privacy .pv-hero__tags .chip--flame {
  color: var(--flame);
  border-color: rgba(255, 106, 26, 0.5);
}

.page-privacy .pv-hero__annot {
  display: none;
}

/* ---------- 顶部条带图 ---------- */

.page-privacy .pv-strip {
  background: var(--paper);
  padding: clamp(26px, 4vw, 44px) 0 0;
}

.page-privacy .pv-strip .media-frame {
  margin: 0;
}

/* ---------- 阅读区 ---------- */

.page-privacy .pv-read {
  background: var(--paper);
  color: var(--paper-body);
  padding: clamp(34px, 5vw, 62px) 0 clamp(64px, 8vw, 112px);
}

.page-privacy .pv-read__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 54px);
}

/* 目录 */

.page-privacy .pv-toc {
  border-top: 3px solid var(--flame);
  background: rgba(255, 255, 255, 0.55);
  padding: 16px 16px 18px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(20, 22, 28, 0.5);
}

.page-privacy .pv-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--pv-line);
  color: var(--paper-ink);
  font-size: 13.5px;
  line-height: 1.3;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--lava);
  border-color: rgba(226, 58, 30, 0.5);
  background: rgba(255, 106, 26, 0.08);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--flame);
}

/* 正文 */

.page-privacy .pv-body {
  min-width: 0;
}

.page-privacy .pv-sec {
  margin-top: 8px;
  padding-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: 112px;
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.4vw, 18px);
  margin-bottom: 12px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--flame);
}

.page-privacy .pv-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-privacy .pv-sec__lede {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--paper-body);
}

.page-privacy .pv-sec__lede--tail {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-privacy .pv-sec__lede a {
  color: var(--paper-accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-sec__lede a:hover {
  color: var(--lava);
}

/* 条目 */

.page-privacy .pv-items {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-item {
  padding-left: 16px;
  border-left: 3px solid var(--flame);
}

.page-privacy .pv-item:nth-child(4n + 2) {
  border-left-color: var(--paper-accent);
}

.page-privacy .pv-item:nth-child(4n + 3) {
  border-left-color: var(--lava);
}

.page-privacy .pv-item:nth-child(4n + 4) {
  border-left-color: var(--pv-green);
}

.page-privacy .pv-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper-ink);
}

.page-privacy .pv-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper-body);
}

/* 折叠说明 */

.page-privacy .pv-fold {
  margin-top: 20px;
  border: 1px solid var(--pv-line);
  background: rgba(255, 255, 255, 0.55);
}

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-ink);
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--flame);
}

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

.page-privacy .pv-fold p {
  margin: 0;
  padding: 0 16px 15px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-body);
}

/* 步骤 */

.page-privacy .pv-subhead {
  margin: 24px 0 0;
  font-size: 15px;
  font-weight: 800;
  color: var(--paper-ink);
}

.page-privacy .pv-steps {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.62);
  border-left: 2px solid var(--paper-accent);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--paper-body);
}

.page-privacy .pv-steps__n {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper-accent);
}

/* 联系卡片 */

.page-privacy .pv-contact-card {
  margin-top: 18px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-2);
  color: var(--text);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-privacy .pv-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.page-privacy .pv-row:first-child {
  padding-top: 0;
}

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

.page-privacy .pv-row__label {
  flex: none;
  min-width: 74px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .pv-row__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 17px);
  font-weight: 700;
  color: var(--volt);
  word-break: break-all;
}

.page-privacy .pv-row .copy-btn {
  margin-left: auto;
}

.page-privacy .pv-row .chip--neon {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
  border: 1px solid rgba(53, 224, 161, 0.42);
  padding: 4px 10px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-privacy .pv-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-privacy .pv-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-steps li {
    flex-direction: column;
    gap: 6px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__annot {
    display: block;
    position: absolute;
    right: 1.2vw;
    top: 50%;
    margin: 0;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.42em;
    color: rgba(152, 162, 184, 0.5);
    z-index: 1;
    pointer-events: none;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-read__grid {
    grid-template-columns: minmax(0, 1fr) 252px;
    align-items: start;
  }

  .page-privacy .pv-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
    padding: 18px 18px 20px;
  }

  .page-privacy .pv-toc__list {
    display: block;
  }

  .page-privacy .pv-toc__list li + li {
    border-top: 1px dashed rgba(20, 22, 28, 0.16);
  }

  .page-privacy .pv-toc__link {
    display: flex;
    justify-content: flex-start;
    padding: 10px 2px;
    border: 0;
    font-size: 14px;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    background: transparent;
    padding-left: 8px;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-privacy .pv-hero {
    background: #fff;
    color: #000;
    padding: 0 0 16px;
  }

  .page-privacy .pv-hero::before,
  .page-privacy .pv-hero::after,
  .page-privacy .pv-hero__annot,
  .page-privacy .pv-toc,
  .page-privacy .copy-btn {
    display: none;
  }

  .page-privacy .pv-hero h1 {
    background: none;
    color: #000;
    -webkit-text-fill-color: #000;
    font-size: 32px;
  }

  .page-privacy .pv-hero__lede,
  .page-privacy .pv-hero__tags .chip {
    color: #000;
  }

  .page-privacy .pv-read {
    background: #fff;
    padding: 0;
  }

  .page-privacy .pv-read__grid {
    display: block;
  }

  .page-privacy .pv-contact-card {
    background: #fff;
    color: #000;
    border: 1px solid #999;
    clip-path: none;
  }

  .page-privacy .pv-contact-card .pv-row__label,
  .page-privacy .pv-contact-card .pv-row__value {
    color: #000;
  }
}