.page-privacy {
  --pp-line: rgba(36, 27, 22, 0.14);
  --pp-soft: rgba(36, 27, 22, 0.06);
  --pp-index-w: 248px;
  background: var(--paper);
  color: var(--sepia);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--mist);
  padding: clamp(52px, 9vw, 112px) 0 clamp(34px, 5vw, 64px);
  border-bottom: 1px solid rgba(176, 122, 60, 0.5);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: 56%;
  height: 168%;
  transform: rotate(13deg);
  background: linear-gradient(180deg, rgba(232, 85, 45, 0.22), rgba(79, 195, 247, 0.12));
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, var(--copper), rgba(176, 122, 60, 0));
  pointer-events: none;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumbs {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(245, 247, 250, 0.6);
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-privacy .privacy-hero .breadcrumbs a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(176, 122, 60, 0.7);
  padding-bottom: 1px;
}

.page-privacy .privacy-hero .breadcrumbs a:hover,
.page-privacy .privacy-hero .breadcrumbs a:focus-visible {
  color: var(--ember-hi);
}

.page-privacy .crumb-sep {
  margin: 0 8px;
  color: rgba(176, 122, 60, 0.9);
}

.page-privacy .privacy-hero .section-kicker {
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 14px;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 20ch;
}

.page-privacy .privacy-hero .lede {
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.82);
  max-width: 62ch;
  margin: 0;
}

.page-privacy .privacy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-privacy .privacy-hero-figure {
  position: relative;
  z-index: 1;
  margin: clamp(30px, 4.5vw, 52px) auto 0;
  max-width: var(--wrap);
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(176, 122, 60, 0.42);
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-body {
  padding: clamp(38px, 6vw, 78px) 0 clamp(52px, 8vw, 104px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-privacy .privacy-aside {
  order: -1;
}

.page-privacy .privacy-main {
  min-width: 0;
}

/* ---------- 索引 ---------- */
.page-privacy .index-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 4px;
  background: rgba(14, 16, 19, 0.06);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.page-privacy .index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--sepia);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .index-link .mono {
  font-size: 12px;
  color: var(--copper);
}

.page-privacy .index-link:hover,
.page-privacy .index-link:focus-visible {
  background: var(--paper);
  border-color: rgba(176, 122, 60, 0.5);
}

.page-privacy .index-link.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-privacy .index-link.is-active .mono {
  color: var(--ember-hi);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  margin-bottom: clamp(46px, 6.5vw, 88px);
  scroll-margin-top: 130px;
}

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

.page-privacy .section-head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-privacy .chapter-num {
  display: block;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--ember);
  margin-bottom: 8px;
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-privacy .chapter-num {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--ember);
  }
}

.page-privacy .section-kicker {
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--graphite);
  margin: 0 0 10px;
}

.page-privacy .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--sepia);
  margin: 0;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-prose {
  max-width: 76ch;
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.92;
}

.page-privacy .privacy-prose p {
  margin: 0 0 1.15em;
}

.page-privacy .privacy-prose h3,
.page-privacy .prose-h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.45;
  color: var(--sepia);
  margin: 1.6em 0 0.7em;
}

.page-privacy a {
  color: var(--ember);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 85, 45, 0.4);
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  color: var(--ember-hi);
  border-bottom-color: var(--ember-hi);
}

.page-privacy .note {
  margin: 1.4em 0 0;
  padding: 12px 0 12px 16px;
  border-left: 3px solid var(--copper);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 分割与卡片 ---------- */
.page-privacy .privacy-split {
  margin: 1.6em 0 0;
  gap: 16px;
}

.page-privacy .privacy-cards {
  margin: 1.6em 0 0;
  gap: 16px;
}

.page-privacy .def-block {
  background: var(--paper-2);
  border-left: 4px solid var(--ember);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px 20px;
}

.page-privacy .def-block h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sepia);
}

.page-privacy .def-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sepia);
}

.page-privacy .def-block--ink {
  background: var(--ink);
  border-left-color: var(--ice);
  color: var(--mist);
}

.page-privacy .def-block--ink h3 {
  color: var(--mist);
}

.page-privacy .def-block--ink .fact-list li {
  color: rgba(245, 247, 250, 0.86);
}

.page-privacy .def-block--ink .fact-list li::before {
  background: var(--ice);
}

.page-privacy .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .fact-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sepia);
}

.page-privacy .fact-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--ember);
}

.page-privacy .fact-list--wide {
  margin: 0.6em 0 1.3em;
}

.page-privacy .fact-list--wide li {
  font-size: 16px;
  margin-bottom: 10px;
}

/* ---------- 用途列表 ---------- */
.page-privacy .use-list {
  list-style: none;
  margin: 1.4em 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .use-list li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-privacy .use-index {
  font-size: 15px;
  color: var(--ember);
  padding-top: 2px;
}

.page-privacy .use-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--sepia);
}

.page-privacy .use-list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 保存期限带 ---------- */
.page-privacy .retention-card {
  margin: 1.6em 0 1.8em;
  padding: 6px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(176, 122, 60, 0.42);
}

.page-privacy .retention-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(36, 27, 22, 0.18);
}

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

.page-privacy .retention-key {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-privacy .retention-val {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sepia);
}

/* ---------- 权利折叠组 ---------- */
.page-privacy .right-list {
  margin: 1.4em 0 1.8em;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .right-item {
  border-bottom: 1px solid var(--pp-line);
}

.page-privacy .right-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--sepia);
  transition: color var(--dur) var(--ease);
}

.page-privacy .right-item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .right-item summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ember);
}

.page-privacy .right-item[open] summary::after {
  content: "－";
}

.page-privacy .right-item summary:hover,
.page-privacy .right-item summary:focus-visible {
  color: var(--ember);
}

.page-privacy .right-body {
  padding: 0 2px 18px;
}

.page-privacy .right-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--graphite);
}

/* ---------- 联系方式条 ---------- */
.page-privacy .contact-strip {
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(176, 122, 60, 0.45);
  background: rgba(14, 16, 19, 0.92);
  color: var(--mist);
}

.page-privacy .contact-strip-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--mist);
}

.page-privacy .contact-strip-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .contact-strip-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.86);
  padding: 6px 0;
  border-bottom: 1px dashed rgba(245, 247, 250, 0.14);
}

.page-privacy .contact-strip-list li:last-child {
  border-bottom: 0;
}

.page-privacy .contact-key {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--ice);
  min-width: 42px;
}

.page-privacy .contact-strip-more {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.7);
}

.page-privacy .contact-strip-more a {
  color: var(--ember-hi);
  border-bottom-color: rgba(255, 122, 69, 0.5);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 700px) {
  .page-privacy .retention-row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--pp-index-w);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-privacy .privacy-aside {
    order: 0;
  }

  .page-privacy .index-rail {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    position: sticky;
    top: 112px;
    padding: 16px 0 16px 18px;
    background: transparent;
    border: 0;
    border-left: 1px solid rgba(176, 122, 60, 0.45);
    border-radius: 0;
  }

  .page-privacy .index-link {
    border-radius: 0 var(--radius) var(--radius) 0;
    white-space: normal;
    padding: 9px 12px;
    font-size: 13.5px;
    line-height: 1.55;
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -2px;
  }

  .page-privacy .index-link:hover,
  .page-privacy .index-link:focus-visible {
    background: var(--pp-soft);
    border-left-color: var(--copper);
  }

  .page-privacy .index-link.is-active {
    background: var(--ink);
    color: var(--paper);
    border-left-color: var(--ember);
  }

  .page-privacy .privacy-prose {
    max-width: 74ch;
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-hero-figure {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .index-link,
  .page-privacy .right-item summary {
    transition: none;
  }
}