/* ============================================================
   使用条款 /terms/  ·  page-disclaimer
   ============================================================ */

.page-disclaimer {
  --terms-line: rgba(147, 169, 160, 0.26);
  --terms-line-soft: rgba(147, 169, 160, 0.14);
  --terms-body-text: rgba(245, 250, 255, 0.86);
  --terms-panel: rgba(11, 27, 51, 0.62);

  background: var(--green-900);
  color: var(--white);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  padding: calc(var(--header-h) + 3.25rem) 0 3rem;
  background:
    radial-gradient(118% 100% at 80% 0%, rgba(23, 64, 110, 0.7) 0%, rgba(11, 27, 51, 0) 62%),
    linear-gradient(180deg, var(--night) 0%, var(--green-900) 100%);
  border-bottom: var(--rule) solid var(--yellow);
  overflow: hidden;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--terms-line);
  transition: color var(--dur-fast) var(--ease);
}

.page-disclaimer .breadcrumb__link:hover,
.page-disclaimer .breadcrumb__link:focus-visible {
  color: var(--yellow);
}

.page-disclaimer .breadcrumb__item {
  color: var(--yellow);
}

.page-disclaimer .terms-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  align-items: end;
}

.page-disclaimer .terms-hero__text {
  min-width: 0;
}

.page-disclaimer .terms-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--yellow);
}

.page-disclaimer .terms-hero h1 {
  margin: 0.45rem 0 1rem;
  font-size: clamp(2.5rem, 8.5vw, 5rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-disclaimer .terms-hero h1 em {
  font-style: normal;
  color: var(--yellow);
}

.page-disclaimer .terms-hero .lead {
  margin: 0;
  max-width: 46ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--terms-body-text);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-hero__meta li {
  padding: 0.36rem 0.66rem;
  border: 1px solid var(--terms-line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-disclaimer .terms-hero .media-frame {
  margin: 0;
  border: 1px solid var(--terms-line);
  box-shadow: 10px 10px 0 rgba(242, 208, 36, 0.88);
}

.page-disclaimer .terms-hero .media-frame__inner {
  background: var(--night);
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .terms-main {
  padding: 3rem 0 4.5rem;
  background: var(--green-900);
}

.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .terms-index {
  min-width: 0;
  padding: 1.1rem 1rem 0.4rem;
  background: var(--terms-panel);
  border: 1px solid var(--terms-line);
}

.page-disclaimer .terms-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--yellow);
}

.page-disclaimer .terms-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-index__list li.timeline__node {
  position: relative;
  padding: 0;
  border-top: 1px dashed var(--terms-line-soft);
}

.page-disclaimer .terms-index__list li.timeline__node::before,
.page-disclaimer .terms-index__list li.timeline__node::after {
  display: none;
}

.page-disclaimer .terms-index__link {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.62rem 0.2rem;
  font-size: 0.84rem;
  line-height: 1.45;
  color: rgba(245, 250, 255, 0.76);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-disclaimer .terms-index__link .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--yellow);
}

.page-disclaimer .terms-index__link:hover,
.page-disclaimer .terms-index__link:focus-visible {
  color: var(--yellow);
  transform: translateX(3px);
}

.page-disclaimer .terms-index [data-active="true"] .terms-index__link,
.page-disclaimer .terms-index__link[data-active="true"] {
  color: var(--yellow);
}

/* ---------- 条款条目 ---------- */

.page-disclaimer .terms-body {
  min-width: 0;
}

.page-disclaimer .terms-clause {
  position: relative;
  padding: 2.4rem 0 1.6rem;
  border-top: 1px solid var(--terms-line);
}

.page-disclaimer .terms-clause:first-child {
  border-top: var(--rule) solid var(--yellow);
  padding-top: 2.6rem;
}

.page-disclaimer .clause-no {
  display: block;
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 7.5rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--yellow);
  opacity: 0.17;
  pointer-events: none;
  user-select: none;
}

.page-disclaimer .clause-title {
  display: inline-block;
  margin: 0 0 1.05rem;
  padding-bottom: 0.48rem;
  font-size: clamp(1.22rem, 3.6vw, 1.75rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
  border-bottom: var(--rule) solid var(--yellow);
}

.page-disclaimer .clause-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--terms-body-text);
  overflow-wrap: break-word;
}

.page-disclaimer .clause-body p {
  margin: 0 0 1.05rem;
}

.page-disclaimer .clause-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-body strong {
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(transparent 62%, rgba(242, 208, 36, 0.3) 62%);
}

.page-disclaimer .clause-body a,
.page-disclaimer .terms-log a {
  color: var(--yellow);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--orange);
}

/* ---------- 条款内列表 ---------- */

.page-disclaimer .rule-list {
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.5rem;
  line-height: 1.7;
  border-bottom: 1px dashed var(--terms-line-soft);
  overflow-wrap: break-word;
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.12rem;
  width: 9px;
  height: 3px;
  background: var(--yellow);
}

.page-disclaimer .rule-list--limit li::before {
  background: var(--orange);
}

/* ---------- 署名格式样例 ---------- */

.page-disclaimer .cite-sample {
  margin: 1.15rem 0 1.5rem;
  padding: 1rem 1.1rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(242, 208, 36, 0.92);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-disclaimer .cite-sample p {
  margin: 0 0 0.4rem;
}

.page-disclaimer .cite-sample p:last-child {
  margin-bottom: 0;
}

/* ---------- 强调说明块 ---------- */

.page-disclaimer .license-note {
  margin: 1.25rem 0 1.5rem;
  padding: 1.05rem 1.15rem;
  background: var(--paper);
  color: var(--ink);
  border-left: 6px solid var(--yellow);
  font-size: 0.95rem;
  line-height: 1.78;
  overflow-wrap: break-word;
}

.page-disclaimer .license-note strong {
  color: var(--ink);
  font-weight: 800;
  background: linear-gradient(transparent 60%, rgba(255, 122, 43, 0.38) 60%);
}

.page-disclaimer .license-note a {
  color: var(--ink);
}

/* ---------- 变更记录 ---------- */

.page-disclaimer .terms-log {
  margin-top: 2.5rem;
  background: var(--terms-panel);
  border: 1px solid var(--terms-line);
}

.page-disclaimer .terms-log > summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.15rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .terms-log > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-log > summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--yellow);
}

.page-disclaimer .terms-log[open] > summary::before {
  content: "–";
}

.page-disclaimer .terms-log .rule-list {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  border-top: 1px dashed var(--terms-line-soft);
}

.page-disclaimer .terms-log .rule-list li {
  color: var(--terms-body-text);
  font-size: 0.94rem;
}

/* ---------- 结尾引导 ---------- */

.page-disclaimer .terms-help {
  margin-top: 3rem;
  padding: 1.75rem 1.4rem;
  background: rgba(11, 27, 51, 0.78);
  border-left: 6px solid var(--yellow);
}

.page-disclaimer .terms-help .eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--yellow);
}

.page-disclaimer .terms-help h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.3rem, 4.2vw, 1.7rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-disclaimer .terms-help p {
  margin: 0 0 1.4rem;
  max-width: 48ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--terms-body-text);
}

.page-disclaimer .terms-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 平板 / 桌面 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .terms-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .terms-main {
    padding: 4rem 0 5rem;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .terms-clause {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 2.5rem;
    padding: 3rem 0 2rem;
  }

  .page-disclaimer .clause-no {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin: 0.15rem 0 0;
    text-align: left;
  }

  .page-disclaimer .clause-title {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 1.1rem;
  }

  .page-disclaimer .clause-body {
    grid-column: 2;
    grid-row: 2;
  }

  .page-disclaimer .terms-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3.5rem;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 4rem;
    align-items: start;
  }

  .page-disclaimer .terms-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .terms-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index__link {
    transition: none;
  }

  .page-disclaimer .terms-index__link:hover,
  .page-disclaimer .terms-index__link:focus-visible {
    transform: none;
  }
}