.page-disclaimer {
  --disc-rule: rgba(245, 243, 238, 0.12);
  --disc-accent: var(--nebula);
  --disc-accent-2: var(--cyan);
  color: var(--warm);
  font-family: var(--font-body);
  font-size: var(--fs-1);
  line-height: 1.75;
  padding-bottom: 80px;
}

.page-disclaimer h1,
.page-disclaimer h2,
.page-disclaimer h3 {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.22;
  margin: 0;
  color: var(--warm);
}

.page-disclaimer .num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--warm);
}

/* ---------- 顶部署名条 ---------- */
.page-disclaimer .disc-sign {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--silver);
  border: 1px solid var(--disc-rule);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-s);
  background-color: var(--star-soft);
  background-image: radial-gradient(rgba(245, 243, 238, 0.18) 1px, transparent 1px);
  background-size: 12px 12px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding: 8px 0 48px;
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: 30px;
}

.page-disclaimer .disc-hero__title {
  font-size: clamp(2.4rem, 11vw, 4.4rem);
  line-height: 1.04;
  margin: 0 0 20px;
  color: var(--warm);
  position: relative;
  padding-top: 20px;
}

.page-disclaimer .disc-hero__title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--nebula), var(--cyan));
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--silver);
}

.page-disclaimer .disc-hero__media .media__frame {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .disc-hero__media .media__caption {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--silver);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 6px;
}

.page-disclaimer .disc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--disc-rule);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  color: var(--warm);
  border-color: var(--nebula);
  background-color: rgba(124, 92, 255, 0.14);
}

.page-disclaimer .disc-index__n {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--nebula);
}

/* ---------- 章节骨架 ---------- */
.page-disclaimer .disc-sec {
  display: block;
  padding: 42px 0 34px;
  border-top: 1px solid var(--disc-rule);
  margin-top: 34px;
}

.page-disclaimer .disc-sec__title {
  font-size: clamp(1.3rem, 3.6vw, 1.95rem);
  margin: 0;
  color: var(--warm);
}

.page-disclaimer .disc-sec__num {
  display: inline-block;
  margin-right: 0.7em;
  font-family: var(--font-mono);
  font-size: 0.72em;
  letter-spacing: 0.1em;
  color: var(--disc-accent);
  padding: 0.08em 0.48em;
  border: 1px solid currentColor;
  border-radius: var(--radius-s);
  vertical-align: 0.08em;
}

.page-disclaimer .disc-sec__grid {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-disclaimer .disc-sec--fold {
  padding: 0;
  border-top: 1px solid var(--disc-rule);
  margin-top: 34px;
}

.page-disclaimer .disc-sec__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  padding: 30px 0 6px;
}

.page-disclaimer .disc-sec__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-sec--fold[open] .disc-sec__sum {
  padding-bottom: 0;
}

.page-disclaimer .disc-sec__chev {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  border: 1px solid var(--disc-rule);
  border-radius: 50%;
}

.page-disclaimer .disc-sec__chev::before,
.page-disclaimer .disc-sec__chev::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--cyan);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-disclaimer .disc-sec__chev::before {
  width: 9px;
  height: 1.5px;
}

.page-disclaimer .disc-sec__chev::after {
  width: 1.5px;
  height: 9px;
}

.page-disclaimer .disc-sec--fold[open] .disc-sec__chev::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

/* ---------- 侧边注释栏 ---------- */
.page-disclaimer .disc-aside {
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--disc-accent-2);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--silver);
  align-self: start;
}

.page-disclaimer .disc-aside__text {
  margin: 0;
}

.page-disclaimer .disc-aside__mail {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--warm);
  word-break: break-all;
}

.page-disclaimer .disc-aside__link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-disclaimer .disc-aside__link:hover,
.page-disclaimer .disc-aside__link:focus-visible {
  color: var(--warm);
}

.page-disclaimer .disc-copy {
  margin-top: 12px;
}

/* ---------- 条款列表 ---------- */
.page-disclaimer .disc-list {
  counter-reset: disc;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-list__item {
  counter-increment: disc;
  position: relative;
  padding: 16px 0 18px 54px;
  border-top: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-list__item:last-child {
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-list__item::before {
  content: counter(disc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-disclaimer .disc-list__item::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 2px;
  background: var(--disc-accent);
}

.page-disclaimer .disc-list__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 5px;
  color: var(--warm);
}

.page-disclaimer .disc-list__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 浏览环境四格 ---------- */
.page-disclaimer .disc-envs {
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-env {
  position: relative;
  overflow: hidden;
  padding: 18px 16px 16px 20px;
  border: 1px solid var(--disc-rule);
  border-radius: var(--radius-m);
  background-color: var(--galaxy);
  background-image: linear-gradient(155deg, rgba(124, 92, 255, 0.12), transparent 62%);
}

.page-disclaimer .disc-env::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--disc-env-accent, var(--nebula));
}

.page-disclaimer .disc-env:nth-child(1) { --disc-env-accent: var(--nebula); }
.page-disclaimer .disc-env:nth-child(2) { --disc-env-accent: var(--cyan); }
.page-disclaimer .disc-env:nth-child(3) { --disc-env-accent: var(--amber); }
.page-disclaimer .disc-env:nth-child(4) { --disc-env-accent: var(--lilac); }

.page-disclaimer .disc-env__mark {
  display: block;
  position: relative;
  width: 24px;
  height: 24px;
  margin-bottom: 12px;
  border: 1.5px solid var(--disc-env-accent, var(--nebula));
  border-radius: 5px;
}

.page-disclaimer .disc-env__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 2px;
  background: var(--disc-env-accent, var(--nebula));
  opacity: 0.75;
}

.page-disclaimer .disc-env:nth-child(2) .disc-env__mark,
.page-disclaimer .disc-env:nth-child(2) .disc-env__mark::after {
  border-radius: 50%;
}

.page-disclaimer .disc-env:nth-child(3) .disc-env__mark {
  border-radius: 12px 12px 4px 4px;
}

.page-disclaimer .disc-env:nth-child(4) .disc-env__mark {
  transform: rotate(45deg);
}

.page-disclaimer .disc-env__title {
  font-size: 1rem;
  letter-spacing: 0;
  margin: 0 0 6px;
  color: var(--warm);
}

.page-disclaimer .disc-env__list {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--lilac);
  word-break: break-word;
}

.page-disclaimer .disc-env__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-disclaimer .disc-envs__tail {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--disc-rule);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 排查三步 ---------- */
.page-disclaimer .disc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-disclaimer .disc-step {
  position: relative;
}

.page-disclaimer .disc-step + .disc-step::before {
  content: "↓";
  display: block;
  padding: 2px 0 8px 8px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.2;
  color: var(--cyan);
}

.page-disclaimer .disc-step__box {
  border: 1px solid var(--disc-rule);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-m);
  background-color: var(--galaxy);
  padding: 0 16px 14px;
}

.page-disclaimer .disc-step__sum {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 0 10px;
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .disc-step__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-step__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .disc-step__name {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--warm);
}

.page-disclaimer .disc-step__body {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--disc-rule);
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .disc-fallback {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-m);
  border: 1px solid rgba(255, 178, 63, 0.32);
  background-color: rgba(255, 178, 63, 0.08);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .disc-fallback .num {
  color: var(--amber);
}

/* ---------- 收尾 ---------- */
.page-disclaimer .disc-outro {
  margin-top: 44px;
  padding: 26px 22px;
  display: grid;
  gap: 18px;
  border: 1px solid var(--disc-rule);
  border-radius: var(--radius-l);
  background-color: var(--galaxy);
  background-image: linear-gradient(135deg, rgba(124, 92, 255, 0.18), rgba(53, 224, 214, 0.08));
}

.page-disclaimer .disc-outro__title {
  font-size: 1.25rem;
  margin: 0 0 8px;
  color: var(--warm);
}

.page-disclaimer .disc-outro__body {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .disc-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 折叠展开动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-disclaimer details[open] > .disc-sec__grid {
    animation: discDisclaimerFade 0.3s var(--ease) both;
  }
}

@keyframes discDisclaimerFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__link,
  .page-disclaimer .disc-sec__chev::before,
  .page-disclaimer .disc-sec__chev::after {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .disc-envs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .disc-sec__grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 40px;
  }

  .page-disclaimer .disc-hero {
    padding: 16px 0 60px;
  }

  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: end;
  }

  .page-disclaimer .disc-outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    align-items: start;
  }

  .page-disclaimer .disc-step + .disc-step::before {
    content: "→";
    position: absolute;
    top: 20px;
    left: -26px;
    width: 22px;
    padding: 0;
    margin: 0;
    text-align: center;
    font-size: 1.1rem;
  }
}