/* ==========================================
   隐私政策页专属样式
   Page: /privacy-policy/
   作用域：.page-privacy
   ========================================== */
.page-privacy {
  --privacy-gold-soft: rgba(255, 215, 0, 0.14);
  --privacy-navy-soft: rgba(10, 31, 68, 0.05);
  --privacy-navy-mid: #123a6d;
  --privacy-line: rgba(10, 31, 68, 0.12);
  --privacy-bg-tint: #f7f8fc;
  overflow-x: clip;
  background: var(--c-white);
}

/* 顶部锚点 */
.page-privacy__top-anchor {
  display: block;
  height: 0;
  overflow: hidden;
}

/* ===== Hero ===== */
.page-privacy__hero {
  position: relative;
  padding: 44px 0 58px;
  color: var(--c-white);
  background:
    radial-gradient(circle at 92% 18%, rgba(255, 215, 0, 0.16), transparent 34%),
    linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy) 66%, var(--privacy-navy-mid) 100%);
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) 0;
}

.page-privacy__hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 30px solid rgba(255, 255, 255, 0.06);
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  left: 46%;
  bottom: -46px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 24px solid rgba(255, 215, 0, 0.08);
}

.page-privacy__hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy__hero-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0 0 36px;
}

.page-privacy__hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy__hero-breadcrumb a:hover {
  color: var(--c-gold);
}

.page-privacy__breadcrumb-sep {
  color: var(--c-gold);
}

.page-privacy__breadcrumb-current {
  color: rgba(255, 255, 255, 0.92);
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-privacy__hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 215, 0, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(255, 215, 0, 0.1);
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: 0.12em;
  margin-bottom: 22px;
}

.page-privacy__hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: clamp(32px, 5.8vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.page-privacy__hero-pipe {
  color: var(--c-gold);
  margin: 0 4px;
}

.page-privacy__hero-lead {
  max-width: 660px;
  margin: 0;
  font-size: 17px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.86);
}

.page-privacy__hero-seal svg {
  display: block;
  width: min(176px, 36vw);
  height: auto;
  margin: 0 auto;
}

/* ===== 核心卡片区 ===== */
.page-privacy__core {
  padding: 64px 0 28px;
}

.page-privacy__section-head {
  margin-bottom: 28px;
}

.page-privacy__section-head .kicker {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--c-anchor);
}

.page-privacy__section-title {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-navy);
}

.page-privacy__section-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mid);
}

.page-privacy__core-grid {
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-privacy__card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-privacy__card--collect {
  background: var(--c-white);
  border-top: 3px solid var(--c-gold);
}

.page-privacy__card--use {
  background: var(--c-light);
  border-top: 3px solid var(--c-navy);
}

.page-privacy__card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.page-privacy__card-index {
  font-family: var(--font-heading);
  font-size: 34px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-silver);
}

.page-privacy__card h2 {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-privacy__card-lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mid);
}

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

.page-privacy__list li {
  position: relative;
  padding: 12px 0 12px 26px;
  border-top: 1px solid var(--privacy-line);
  font-size: 15px;
  line-height: 1.65;
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--c-gold);
  background: var(--privacy-line);
  box-sizing: border-box;
}

.page-privacy__list li strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-body);
  color: var(--c-navy);
}

.page-privacy__list li span {
  color: var(--c-mid);
}

/* ===== 数据流向区 ===== */
.page-privacy__flow {
  padding: 36px 0 64px;
}

.page-privacy__flow-card {
  position: relative;
  padding: 28px 20px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--c-navy-deep) 0%, var(--c-navy) 100%);
  color: var(--c-white);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.page-privacy__flow-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 26px solid rgba(255, 215, 0, 0.08);
}

.page-privacy__flow-head {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 0 8px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 12px;
}

.page-privacy__flow-head .kicker {
  color: var(--c-gold);
}

.page-privacy__flow-head h2 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 700;
}

.page-privacy__flow-diagram {
  position: relative;
  z-index: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy__flow-svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-privacy__flow-svg line {
  stroke-dasharray: 6 4;
  animation: privacyDashFlow 2.6s linear infinite;
}

@keyframes privacyDashFlow {
  to {
    stroke-dashoffset: -40;
  }
}

/* ===== Cookie 视觉区 ===== */
.page-privacy__visual {
  padding: 64px 0 72px;
  background: var(--privacy-bg-tint);
}

.page-privacy__visual-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-privacy__visual-media {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--privacy-gold-soft);
}

.page-privacy__visual-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-privacy__visual-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--c-anchor);
}

.page-privacy__visual-content h2 {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.24;
  color: var(--c-navy);
}

.page-privacy__visual-content > p {
  max-width: 620px;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-mid);
}

.page-privacy__point {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy__point-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-gold);
  font-family: var(--font-heading);
  font-size: 15px;
}

.page-privacy__point p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-mid);
}

.page-privacy__point p strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-body);
  color: var(--c-navy);
}

/* ===== 用户权利区 ===== */
.page-privacy__rights {
  position: relative;
  padding: 64px 0;
  background: var(--c-navy);
  color: var(--c-white);
  overflow: hidden;
}

.page-privacy__rights::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 30px solid rgba(255, 215, 0, 0.08);
}

.page-privacy__rights .container {
  position: relative;
  z-index: 1;
}

.page-privacy__section-head--center {
  text-align: center;
}

.page-privacy__section-head--center .kicker {
  color: var(--c-gold);
}

.page-privacy__section-head--center .page-privacy__section-title {
  color: var(--c-white);
}

.page-privacy__section-head--center .page-privacy__section-desc {
  color: rgba(255, 255, 255, 0.78);
}

.page-privacy__rights-grid {
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

.page-privacy__rights-item {
  height: 100%;
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-privacy__rights-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
}

.page-privacy__rights-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 14px;
  background: var(--c-gold);
  color: var(--c-navy);
  font-family: var(--font-heading);
  font-size: 20px;
}

.page-privacy__rights-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-gold);
}

.page-privacy__rights-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
}

/* ===== 折叠条款速查 ===== */
.page-privacy__details {
  padding: 64px 0;
}

.page-privacy__details-head {
  text-align: center;
  margin-bottom: 28px;
}

.page-privacy__details-head .kicker {
  color: var(--c-anchor);
}

.page-privacy__details-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: clamp(26px, 3vw, 36px);
  color: var(--c-navy);
}

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

.page-privacy__details-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 20px 52px 20px 6px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy);
  transition: color 0.25s ease;
}

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

.page-privacy__details-item summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--privacy-navy-soft);
  color: var(--c-navy);
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.page-privacy__details-item[open] summary::after {
  content: "−";
  background: var(--c-gold);
  color: var(--c-navy);
}

.page-privacy__details-item summary:hover {
  color: var(--c-anchor);
}

.page-privacy__details-item[open] p {
  animation: privacyFade 0.3s ease;
}

.page-privacy__details-item p {
  margin: 0;
  padding: 0 46px 22px 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mid);
}

@keyframes privacyFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 联系与协议更新 ===== */
.page-privacy__contact {
  padding: 60px 0 72px;
  background: var(--privacy-bg-tint);
}

.page-privacy__contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-privacy__contact-main .kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--c-anchor);
}

.page-privacy__contact-main h2 {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: clamp(28px, 3.2vw, 40px);
  color: var(--c-navy);
}

.page-privacy__contact-main > p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mid);
}

.page-privacy__contact-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-privacy__contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--privacy-line);
  font-size: 15px;
  color: var(--c-dark);
}

.page-privacy__contact-list li span {
  flex: 0 0 88px;
  font-weight: 700;
  color: var(--c-mid);
}

.page-privacy__contact-note {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--c-anchor);
  background: var(--c-pale);
  color: #6b5d1a;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.page-privacy__contact-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
}

.page-privacy__contact-more p {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-dark);
}

.page-privacy__contact-more a {
  color: var(--c-anchor);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.page-privacy__contact-more a:hover {
  color: var(--c-gold);
}

.page-privacy__contact-side {
  display: grid;
  gap: 18px;
}

.page-privacy__contact-card {
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  background: var(--c-white);
  border: 1px solid var(--privacy-line);
  box-shadow: var(--shadow-sm);
}

.page-privacy__contact-card--gold {
  background: var(--c-navy);
  border-color: transparent;
  color: var(--c-white);
}

.page-privacy__contact-card-tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--privacy-navy-soft);
  color: var(--c-navy);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.page-privacy__contact-card--gold .page-privacy__contact-card-tag {
  background: rgba(255, 215, 0, 0.16);
  color: var(--c-gold);
}

.page-privacy__contact-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 21px;
  font-weight: 700;
}

.page-privacy__contact-card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-mid);
}

.page-privacy__contact-card--gold p {
  color: rgba(255, 255, 255, 0.82);
}

/* ===== 返回顶部 ===== */
.page-privacy__totop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--c-navy);
  color: var(--c-white);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  opacity: 0.82;
  transition: transform 0.25s ease, opacity 0.25s ease, color 0.25s ease;
}

.page-privacy__totop:hover {
  transform: translateY(-3px);
  opacity: 1;
  color: var(--c-gold);
}

/* ===== 焦点可见性 ===== */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible,
.page-privacy .page-privacy__totop:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 3px;
}

/* ===== 响应式断点 ===== */
@media (min-width: 600px) {
  .page-privacy__visual-row {
    gap: 40px;
  }

  .page-privacy__rights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .page-privacy__core-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-privacy__hero-grid {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 36px;
  }

  .page-privacy__hero-seal {
    text-align: right;
  }

  .page-privacy__hero-seal svg {
    margin: 0 0 0 auto;
  }

  .page-privacy__visual-row {
    grid-template-columns: 300px 1fr;
    gap: 64px;
  }

  .page-privacy__flow-card {
    padding: 32px 28px 28px;
  }
}

@media (min-width: 920px) {
  .page-privacy__contact-wrap {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-privacy__rights-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== 减少动态效果偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy__flow-svg line {
    animation: none;
  }

  .page-privacy__rights-item,
  .page-privacy__totop,
  .page-privacy__details-item summary::after {
    transition: none;
  }

  .page-privacy__details-item[open] p {
    animation: none;
  }
}