.page-privacy {
  --pv-rail: 224px;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 145% at 84% 0%, rgba(47, 230, 214, .17) 0%, rgba(47, 230, 214, 0) 56%),
    linear-gradient(140deg, var(--ink-deep) 0%, var(--ink) 62%, #12203e 100%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -56%;
  width: 52%;
  height: 152%;
  background: linear-gradient(180deg, rgba(47, 230, 214, .14), rgba(5, 7, 15, 0) 72%);
  transform: rotate(20deg);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  z-index: 0;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 1.75rem;
  padding-bottom: 2.75rem;
}

.page-privacy .breadcrumbs {
  margin-bottom: 1.6rem;
}

.page-privacy .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-privacy .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-privacy .pv-hero .eyebrow {
  color: var(--cyan);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: .72rem;
}

.page-privacy .pv-hero h1 {
  margin: .5rem 0 1rem;
  max-width: 24ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-privacy .pv-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: #c4d1e8;
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line-cyan);
  display: grid;
  gap: .7rem;
  font-size: .92rem;
  color: var(--paper);
  word-break: break-word;
}

@media (min-width: 760px) {
  .page-privacy .pv-meta {
    grid-template-columns: repeat(3, minmax(0, max-content));
    column-gap: 3rem;
  }
}

.page-privacy .pv-meta li {
  display: flex;
  flex-direction: column;
  gap: .22rem;
}

.page-privacy .pv-meta__k {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pv-body {
  padding-top: 2.25rem;
  padding-bottom: 4rem;
}

@media (min-width: 1000px) {
  .page-privacy .pv-body {
    display: grid;
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    column-gap: 4rem;
    align-items: start;
  }
}

/* ---------- 条款索引 ---------- */
.page-privacy .pv-rail {
  margin-bottom: 2.5rem;
  padding: 1.1rem 1rem 1.2rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--panel);
}

@media (min-width: 1000px) {
  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--head-offset) + .75rem);
    margin-bottom: 0;
  }
}

.page-privacy .pv-rail__title {
  margin: 0 0 .85rem;
  font-family: var(--font-head);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pvrail;
  display: grid;
  gap: .12rem;
}

@media (max-width: 999px) {
  .page-privacy .pv-rail__list {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: .3rem;
  }
}

.page-privacy .pv-rail__list li {
  counter-increment: pvrail;
}

.page-privacy a.rail__link {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .45rem .5rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  font-size: .88rem;
  line-height: 1.45;
  color: var(--mist);
  text-decoration: none;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}

.page-privacy a.rail__link::before {
  content: counter(pvrail, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: rgba(143, 163, 196, .65);
}

.page-privacy a.rail__link:hover {
  color: var(--paper);
  background: rgba(47, 230, 214, .07);
}

.page-privacy a.rail__link[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(47, 230, 214, .1);
}

.page-privacy a.rail__link[aria-current="true"]::before {
  color: var(--amber);
}

.page-privacy .pv-rail__note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px dashed var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 条款章节 ---------- */
.page-privacy .pv-content {
  min-width: 0;
}

.page-privacy .pv-section {
  padding: 2.1rem 0 2.3rem;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--head-offset) + 1rem);
}

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

.page-privacy .pv-section__head {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-privacy .pv-section__num {
  flex: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: .84;
  letter-spacing: -.01em;
  color: rgba(47, 230, 214, .22);
  -webkit-text-stroke: 1px rgba(47, 230, 214, .8);
}

.page-privacy .pv-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.9vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-privacy .pv-section__lead {
  max-width: 68ch;
  margin: .95rem 0 0;
  font-size: .98rem;
  line-height: 1.8;
  color: #b9c6de;
}

.page-privacy .pv-section__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-privacy .pv-section__lead a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 条目卡 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

@media (min-width: 780px) {
  .page-privacy .pv-list--cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .pv-list__item {
  padding: .85rem 1rem .95rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-cyan);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-privacy .pv-list__item h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-privacy .pv-list__item p {
  margin: .42rem 0 0;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 术语提示 ---------- */
.page-privacy .pv-term {
  position: relative;
  display: inline-block;
  margin-left: .4rem;
  padding: .05rem .4rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--cyan);
  vertical-align: middle;
  cursor: help;
}

.page-privacy .pv-term::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + .55rem);
  width: max-content;
  max-width: 15rem;
  padding: .5rem .65rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background: var(--ink-deep);
  box-shadow: var(--shadow);
  font-family: var(--font-body);
  font-size: .78rem;
  line-height: 1.55;
  letter-spacing: 0;
  white-space: normal;
  color: var(--paper);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
  z-index: 20;
}

.page-privacy .pv-term:hover::after,
.page-privacy .pv-term:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 事实表 ---------- */
.page-privacy .pv-facts {
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-privacy .pv-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .pv-fact {
  padding: 1rem 1.1rem 1.15rem;
  background: var(--panel);
}

.page-privacy .pv-fact dt {
  font-family: var(--font-head);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-fact dd {
  margin: .5rem 0 0;
  font-size: .92rem;
  line-height: 1.72;
  color: #c3cfe4;
}

/* ---------- 联系面板 ---------- */
.page-privacy .pv-contact {
  margin: 1.4rem 0 0;
  padding: 1.1rem 1.15rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.25rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(47, 230, 214, .1) 0%, rgba(22, 34, 61, .92) 62%);
}

.page-privacy .pv-contact__label {
  width: 100%;
  margin: 0;
  font-family: var(--font-head);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .pv-contact__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.18rem);
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 常见疑问 ---------- */
.page-privacy .pv-faq {
  margin-top: 1.3rem;
  display: grid;
  gap: .6rem;
}

.page-privacy .disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-privacy .disclosure__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1rem;
  border: 0;
  background: none;
  text-align: left;
  font: inherit;
  font-size: .95rem;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
}

.page-privacy .disclosure__btn:hover,
.page-privacy .disclosure__btn[aria-expanded="true"] {
  color: var(--cyan);
}

.page-privacy .disclosure__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .disclosure__icon::before {
  content: "+";
}

.page-privacy .disclosure__btn[aria-expanded="true"] .disclosure__icon::before {
  content: "−";
}

.page-privacy .disclosure__panel {
  padding: 0 1rem 1rem;
}

.page-privacy .disclosure__panel p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 脚注 ---------- */
.page-privacy .pv-footnote {
  margin: 2rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .pv-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-privacy .pv-footnote a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy a.rail__link,
  .page-privacy .pv-term::after {
    transition: none;
  }
}