.page-disclaimer {
  --disc-text: rgba(244, 239, 228, .86);
  --disc-text-soft: rgba(143, 160, 184, .95);
  --disc-panel: rgba(20, 41, 74, .62);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  padding-bottom: clamp(72px, 12vh, 160px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  max-width: var(--surface-max);
  margin: 0 auto;
  padding: 22px var(--page-x) 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .08em;
}
.page-disclaimer .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-disclaimer .breadcrumb__link:hover {
  color: var(--gold-2);
  border-bottom-color: var(--line-strong);
}
.page-disclaimer .breadcrumb__sep {
  color: rgba(201, 162, 39, .5);
}
.page-disclaimer .breadcrumb__current {
  color: var(--gold);
  font-family: var(--mono);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  max-width: var(--surface-max);
  margin-inline: auto;
  padding: clamp(30px, 5vw, 62px) var(--page-x) clamp(34px, 5vw, 70px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}
.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  left: var(--page-x);
  right: var(--page-x);
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), rgba(201, 162, 39, 0) 68%);
}
.page-disclaimer .disc-hero__lede {
  max-width: 62ch;
}
.page-disclaimer .disc-hero__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.35rem, 8vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-disclaimer .disc-hero__lead {
  margin: 20px 0 0;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--disc-text);
}
.page-disclaimer .disc-hero__note {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-disclaimer .disc-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  position: relative;
}
.page-disclaimer .disc-hero__media::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 54px;
  height: 54px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
  z-index: 1;
  pointer-events: none;
}
.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-disclaimer .disc-hero__cap {
  display: block;
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--disc-text-soft);
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

/* ---------- 摘要带 ---------- */
.page-disclaimer .disc-summary {
  background: var(--paper);
  color: var(--ink-black);
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  padding: clamp(22px, 3vw, 34px) var(--page-x);
}
.page-disclaimer .disc-summary__inner {
  max-width: var(--surface-max);
  margin-inline: auto;
}
.page-disclaimer .disc-summary__eyebrow {
  margin: 0 0 16px;
  color: rgba(20, 23, 28, .62);
}
.page-disclaimer .disc-summary__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 28px;
}
.page-disclaimer .disc-summary__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  border-top: 1px solid rgba(20, 23, 28, .18);
  padding-top: 11px;
}
.page-disclaimer .disc-summary__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cinnabar);
  padding-top: 2px;
}
.page-disclaimer .disc-summary__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-black);
}

@media (min-width: 760px) {
  .page-disclaimer .disc-summary__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1200px) {
  .page-disclaimer .disc-summary {
    position: sticky;
    top: var(--header-h);
    z-index: 20;
    padding-block: 20px;
  }
  .page-disclaimer .disc-summary__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 32px;
  }
  .page-disclaimer .disc-summary__item {
    border-top: none;
    border-left: 1px solid rgba(20, 23, 28, .2);
    padding-top: 0;
    padding-left: 14px;
  }
}

/* ---------- 两列骨架 ---------- */
.page-disclaimer .disc-shell {
  max-width: var(--surface-max);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 84px) var(--page-x) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .disc-rail {
  align-self: start;
}
.page-disclaimer .disc-rail .rail__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  text-transform: uppercase;
}
.page-disclaimer .disc-rail .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-disclaimer .disc-rail .rail__link {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid rgba(201, 162, 39, .14);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--ease), border-color var(--ease);
}
.page-disclaimer .disc-rail .rail__link .num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(201, 162, 39, .68);
}
.page-disclaimer .disc-rail .rail__link:hover {
  color: var(--paper);
  border-bottom-color: var(--line-strong);
}
.page-disclaimer .disc-rail .rail__link[aria-current="true"] {
  color: var(--gold-2);
  border-bottom-color: var(--line-strong);
}
.page-disclaimer .disc-rail .rail__link[aria-current="true"]::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--gold);
}
.page-disclaimer .disc-rail__foot {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--disc-text-soft);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .disc-clause {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding-top: clamp(30px, 4vw, 48px);
  padding-bottom: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--line);
}
.page-disclaimer .disc-clause:first-child {
  border-top: none;
  padding-top: 0;
}
.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.page-disclaimer .disc-clause__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
  border: 1px solid var(--line);
  padding: 3px 7px;
  flex: none;
}
.page-disclaimer .disc-clause__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-disclaimer .disc-clause__body {
  max-width: 68ch;
}
.page-disclaimer .disc-clause__body p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--disc-text);
}
.page-disclaimer .disc-clause__body p:last-child {
  margin-bottom: 0;
}

/* 参数符号清单 */
.page-disclaimer .disc-params {
  list-style: none;
  margin: 20px 0 22px;
  padding: 18px 20px;
  background: var(--disc-panel);
  border: 1px solid var(--line);
  display: grid;
  gap: 12px;
}
.page-disclaimer .disc-params li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--disc-text);
}
.page-disclaimer .disc-params__sym {
  font-family: var(--mono);
  color: var(--gold);
  font-size: 14px;
}

/* 禁止项清单 */
.page-disclaimer .disc-rules {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 13px;
}
.page-disclaimer .disc-rules li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--disc-text);
}
.page-disclaimer .disc-rules li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: .72em;
  justify-self: start;
  background: var(--cinnabar);
}

/* 强调句 */
.page-disclaimer .disc-callout {
  margin: 24px 0 22px;
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  line-height: 1.7;
  color: var(--paper);
}

/* 折叠注解 */
.page-disclaimer .disclosure {
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--disc-panel);
}
.page-disclaimer .disclosure__trigger {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--gold-2);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: .02em;
  padding: 15px 18px;
  cursor: pointer;
}
.page-disclaimer .disclosure__trigger::after {
  content: "+";
  float: right;
  font-family: var(--mono);
  color: var(--gold);
  margin-left: 12px;
}
.page-disclaimer .disclosure__trigger[aria-expanded="true"]::after {
  content: "–";
}
.page-disclaimer .disclosure__panel {
  padding: 0 18px 18px;
  border-top: 1px dashed rgba(201, 162, 39, .3);
}
.page-disclaimer .disclosure__panel p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--disc-text);
}

/* 正文内链 */
.page-disclaimer .disc-inline-link {
  color: var(--gold-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--ease), border-color var(--ease);
}
.page-disclaimer .disc-inline-link:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .disc-next {
  margin-top: clamp(16px, 2vw, 26px);
  padding-top: clamp(28px, 4vw, 42px);
  border-top: 1px solid var(--line-strong);
}
.page-disclaimer .disc-next__title {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--paper);
}
.page-disclaimer .disc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-disclaimer .disc-next__link {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--disc-panel);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease);
}
.page-disclaimer .disc-next__link:hover {
  border-color: var(--line-strong);
  background: rgba(20, 41, 74, .9);
}
.page-disclaimer .disc-next__k {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--gold-2);
}
.page-disclaimer .disc-next__v {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--disc-text-soft);
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .disc-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(40px, 4vw, 72px);
  }
  .page-disclaimer .disc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1200px) {
  .page-disclaimer .disc-rail {
    position: sticky;
    top: calc(var(--header-h) + 168px);
  }
  .page-disclaimer .disc-clause {
    scroll-margin-top: calc(var(--header-h) + 174px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}
</main>