/* ===== 使用条款 · 页面专属样式 ===== */
.page-disclaimer {
  --terms-nav-w: 236px;
  --terms-rule: rgba(217, 214, 203, 0.92);
  --terms-hl: rgba(93, 187, 63, 0.20);
}

/* ---------- 页头 ---------- */
.page-disclaimer .terms-head {
  padding-block: clamp(26px, 4.4vw, 52px) clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .terms-head h1 {
  margin: 14px 0 0;
  max-width: 18em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer .terms-head .lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-disclaimer .terms-version {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
}

.page-disclaimer .terms-version__tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(182, 255, 60, 0.42);
  background: var(--seed);
  color: var(--pulse);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: help;
}

.page-disclaimer .terms-version__tag:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 3px;
}

.page-disclaimer .terms-version__note {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 6;
  width: max-content;
  max-width: min(430px, 78vw);
  padding: 11px 15px;
  border-radius: 10px;
  background: var(--seed);
  color: var(--canvas);
  font-size: 13px;
  line-height: 1.65;
  box-shadow: var(--shadow-glass);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.page-disclaimer .terms-version:hover .terms-version__note,
.page-disclaimer .terms-version:focus-within .terms-version__note {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* ---------- 顶部窄幅视觉 ---------- */
.page-disclaimer .terms-banner {
  position: relative;
  margin-block: 0 clamp(28px, 4vw, 48px);
  margin-inline: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(118deg, var(--grass-deep) 0%, var(--grass-light) 58%, var(--kiwi) 100%);
}

.page-disclaimer .terms-banner img {
  display: block;
  width: 100%;
  height: clamp(148px, 26vw, 292px);
  object-fit: cover;
  opacity: 0.9;
}

.page-disclaimer .terms-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 22, 15, 0) 48%, rgba(16, 22, 15, 0.26) 100%);
  pointer-events: none;
}

/* ---------- 两栏骨架 ---------- */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 左侧条款目录 ---------- */
.page-disclaimer .terms-nav {
  border-bottom: 1px solid var(--terms-rule);
  padding-bottom: 14px;
  min-width: 0;
}

.page-disclaimer .terms-nav .anchor-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-disclaimer .terms-nav .anchor-nav__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .terms-nav .anchor-nav__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .terms-nav .anchor-nav__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .terms-nav .anchor-nav__link .num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-disclaimer .terms-nav .anchor-nav__link:hover {
  background: rgba(93, 187, 63, 0.10);
  color: var(--ink);
}

.page-disclaimer .terms-nav .anchor-nav__link:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 2px;
}

.page-disclaimer .terms-nav .anchor-nav__link.is-active,
.page-disclaimer .terms-nav .anchor-nav__link[aria-current="true"] {
  background: rgba(93, 187, 63, 0.14);
  border-left-color: var(--kiwi);
  color: var(--ink);
}

.page-disclaimer .terms-nav .anchor-nav__link.is-active .num {
  color: var(--grass-deep);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .terms-body {
  min-width: 0;
}

.page-disclaimer .terms-clause {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--terms-rule);
  scroll-margin-top: calc(var(--top-h) + 20px);
}

.page-disclaimer .terms-clause--key {
  background: linear-gradient(96deg, rgba(74, 107, 79, 0.11) 0%, rgba(74, 107, 79, 0.03) 62%, rgba(74, 107, 79, 0) 100%);
  border-radius: 12px;
  padding-inline: clamp(10px, 1.6vw, 18px);
}

.page-disclaimer .terms-clause__summary {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(18px, 2.6vw, 26px) 44px clamp(18px, 2.6vw, 26px) 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-disclaimer .terms-clause__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-clause__summary::marker {
  content: "";
}

.page-disclaimer .terms-clause__summary::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -8px;
  border-right: 2px solid var(--rock);
  border-bottom: 2px solid var(--rock);
  transform: rotate(45deg);
  transition: transform 0.2s ease, margin-top 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .terms-clause[open] .terms-clause__summary::after {
  transform: rotate(-135deg);
  margin-top: -2px;
  border-color: var(--kiwi);
}

.page-disclaimer .terms-clause__no {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--kiwi);
}

.page-disclaimer .terms-clause__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .terms-clause__watermark {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-42%);
  z-index: 1;
  font-family: var(--font-mono);
  font-size: clamp(74px, 12vw, 138px);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: var(--kiwi);
  opacity: 0.09;
  pointer-events: none;
  user-select: none;
}

.page-disclaimer .terms-clause__body {
  position: relative;
  z-index: 2;
  max-width: 72ch;
  padding: 0 44px clamp(20px, 3vw, 30px) 0;
  animation: page-disclaimer-fade 0.22s ease both;
}

.page-disclaimer .terms-clause__lede {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}

.page-disclaimer .terms-clause__lede strong {
  font-weight: 700;
  box-shadow: inset 0 -0.42em 0 var(--terms-hl);
}

.page-disclaimer .terms-clause__body p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-disclaimer .terms-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .terms-clause__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 107, 224, 0.36);
  transition: border-color 0.16s ease, background 0.16s ease;
}

.page-disclaimer .terms-clause__body a:hover,
.page-disclaimer .terms-clause__body a:focus-visible {
  border-bottom-color: var(--blue);
  background: rgba(47, 107, 224, 0.08);
}

/* ---------- 结尾说明 ---------- */
.page-disclaimer .terms-footnote {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--terms-rule);
}

.page-disclaimer .terms-footnote__mark {
  flex: none;
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 6px;
  background: rgba(74, 107, 79, 0.16);
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-disclaimer .terms-footnote p {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
}

@keyframes page-disclaimer-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 平板及桌面 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .terms-clause__summary {
    gap: 18px;
  }

  .page-disclaimer .terms-clause__body {
    padding-left: 30px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: var(--terms-nav-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-disclaimer .terms-nav {
    position: sticky;
    top: calc(var(--top-h) + 26px);
    border-bottom: 0;
    border-right: 1px solid var(--terms-rule);
    padding: 2px 26px 2px 0;
  }

  .page-disclaimer .terms-nav .anchor-nav__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .terms-nav .anchor-nav__link {
    white-space: normal;
  }

  .page-disclaimer .terms-body {
    padding-left: 48px;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer {
    --terms-nav-w: 264px;
  }

  .page-disclaimer .terms-body {
    padding-left: 64px;
  }
}

/* ---------- 降低动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-clause__body {
    animation: none;
  }

  .page-disclaimer .terms-version__note,
  .page-disclaimer .terms-clause__summary::after,
  .page-disclaimer .terms-nav .anchor-nav__link {
    transition-duration: 0.01ms;
  }
}