/* ===== 使用协议 · 页面专属样式（作用域 .page-disclaimer） ===== */

.page-disclaimer {
  --pd-gap: clamp(18px, 3vw, 34px);
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--font-body);
}

/* ---------- 面包屑（深色底适配） ---------- */
.page-disclaimer .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 3vw, 26px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
}
.page-disclaimer .breadcrumb__item {
  color: rgba(234, 251, 243, .62);
}
.page-disclaimer .breadcrumb__item + .breadcrumb__item::before {
  content: "／";
  margin-right: 8px;
  color: rgba(198, 255, 61, .55);
}
.page-disclaimer .breadcrumb__item a {
  color: var(--lime);
  text-decoration: none;
}
.page-disclaimer .breadcrumb__item a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .legal-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) 0 clamp(84px, 9vw, 128px);
  background:
    radial-gradient(120% 100% at 88% -20%, rgba(45, 156, 255, .22), transparent 62%),
    radial-gradient(80% 80% at -10% 110%, rgba(198, 255, 61, .16), transparent 60%),
    var(--moss);
  color: var(--card);
}

.page-disclaimer .legal-hero__eyebrow {
  display: inline-block;
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding: 6px 14px;
  border: 1px solid rgba(198, 255, 61, .42);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-disclaimer .legal-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 92px);
  line-height: .94;
  letter-spacing: -.03em;
  color: var(--card);
}

.page-disclaimer .legal-hero__lead {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15px, 1.3vw, 17.5px);
  line-height: 1.78;
  color: rgba(234, 251, 243, .82);
}

.page-disclaimer .legal-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mint);
}
.page-disclaimer .legal-hero__meta li {
  position: relative;
  padding-left: 14px;
}
.page-disclaimer .legal-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-disclaimer .legal-hero__visual {
  margin: clamp(24px, 4vw, 42px) 0 0;
  border: 1px solid rgba(198, 255, 61, .28);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 34px 64px -44px rgba(0, 0, 0, .9);
}
.page-disclaimer .legal-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-disclaimer .legal-hero__arc {
  position: absolute;
  left: 50%;
  bottom: -1px;
  z-index: 1;
  width: 150%;
  height: clamp(46px, 6vw, 82px);
  transform: translateX(-50%);
  background: var(--paper);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  pointer-events: none;
}

/* ---------- 章节索引（常驻） ---------- */
.page-disclaimer .legal-index {
  position: sticky;
  top: calc(var(--bar-h) + 8px);
  z-index: 40;
  padding: 0 0 clamp(14px, 2vw, 22px);
  background: var(--paper);
}

.page-disclaimer .legal-index__inner {
  display: flex;
  align-items: center;
  padding: 7px;
  border: 1px solid rgba(11, 61, 46, .14);
  border-radius: 999px;
  background: rgba(234, 251, 243, .9);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  box-shadow: 0 18px 34px -26px rgba(6, 35, 26, .8);
  overflow: hidden;
}

.page-disclaimer .legal-index__list {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-disclaimer .legal-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .legal-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--moss);
  text-decoration: none;
  transition: background .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease);
}
.page-disclaimer .legal-index__link:hover,
.page-disclaimer .legal-index__link:focus-visible {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--lime);
  transform: translateY(-2px);
}
.page-disclaimer .legal-index__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-disclaimer .legal-index__num {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: var(--blue);
}
.page-disclaimer .legal-index__link:hover .legal-index__num,
.page-disclaimer .legal-index__link:focus-visible .legal-index__num {
  color: var(--lime);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .legal-body {
  padding: 0 0 clamp(48px, 7vw, 96px);
  background: var(--paper);
}
.page-disclaimer .legal-body .wrap--wide {
  max-width: 1080px;
  margin-inline: auto;
}

.page-disclaimer .clause {
  --clause-accent: var(--lime);
  max-width: 980px;
  margin-inline: auto;
  margin-bottom: var(--pd-gap);
  border: 1px solid rgba(11, 61, 46, .12);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 24px 50px -38px rgba(6, 35, 26, .8);
  scroll-margin-top: calc(var(--bar-h) + 96px);
}
.page-disclaimer .clause:nth-of-type(even) {
  --clause-accent: var(--blue);
}
.page-disclaimer .clause:last-of-type {
  margin-bottom: 0;
}
.page-disclaimer .clause:target {
  box-shadow: 0 0 0 2px var(--lime), 0 24px 50px -34px rgba(6, 35, 26, .85);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(16px, 2.3vw, 24px) clamp(18px, 3vw, 32px);
  background: var(--moss);
  border-left: 6px solid var(--clause-accent);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.page-disclaimer .clause__head::-webkit-details-marker {
  display: none;
}
.page-disclaimer .clause__head::marker {
  content: "";
}
.page-disclaimer .clause__head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-disclaimer .clause__num {
  flex: none;
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--clause-accent);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--card);
}

.page-disclaimer .clause__chev {
  flex: none;
  margin-left: auto;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--clause-accent);
  border-bottom: 2px solid var(--clause-accent);
  transform: rotate(45deg);
  transition: transform .26s var(--ease);
}
.page-disclaimer .clause[open] .clause__chev {
  transform: rotate(225deg);
}

.page-disclaimer .clause__body {
  padding: clamp(18px, 3vw, 32px);
  padding-left: calc(clamp(18px, 3vw, 32px) + 6px);
  background: var(--card);
  border-left: 6px solid var(--clause-accent);
}

.page-disclaimer .clause__body ul {
  display: grid;
  gap: clamp(10px, 1.4vw, 16px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__body li {
  position: relative;
  max-width: 44em;
  padding-left: 24px;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-disclaimer .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--clause-accent);
}

.page-disclaimer .clause__body a {
  color: var(--moss);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.page-disclaimer .clause__body a:hover {
  color: var(--blue);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .page-disclaimer .legal-index {
    top: 8px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .legal-hero__visual img {
    aspect-ratio: 16 / 10;
  }
  .page-disclaimer .legal-hero__meta {
    gap: 6px 16px;
    font-size: 12px;
  }
  .page-disclaimer .legal-index__link {
    padding: 8px 13px;
    font-size: 12.5px;
  }
  .page-disclaimer .clause__head {
    border-left-width: 4px;
    padding-left: 14px;
    padding-right: 16px;
  }
  .page-disclaimer .clause__body {
    border-left-width: 4px;
    padding-left: 18px;
    padding-right: 16px;
  }
  .page-disclaimer .clause__body li {
    padding-left: 20px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .clause:nth-of-type(even) {
    margin-inline-start: clamp(28px, 6vw, 88px);
  }
  .page-disclaimer .clause:nth-of-type(odd) {
    margin-inline-end: clamp(28px, 6vw, 88px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-index__link,
  .page-disclaimer .clause__chev {
    transition: none;
  }
  .page-disclaimer .legal-index__link:hover {
    transform: none;
  }
}