.page-disclaimer {
  --disc-measure: 42em;
  --disc-rail-w: 218px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .instruction-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(132px, 18vw, 190px) 0 clamp(46px, 6vw, 78px);
  background: var(--ink-950);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .instruction-hero__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
  pointer-events: none;
}

.page-disclaimer .instruction-hero__mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
  -webkit-mask-image: radial-gradient(130% 105% at 18% 0%, #000 8%, transparent 76%);
  mask-image: radial-gradient(130% 105% at 18% 0%, #000 8%, transparent 76%);
}

.page-disclaimer .instruction-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(10, 20, 32, .62) 0%,
    rgba(10, 20, 32, .82) 52%,
    rgba(10, 20, 32, .97) 100%
  );
}

.page-disclaimer .instruction-hero__inner {
  position: relative;
  z-index: 3;
}

.page-disclaimer .instruction-hero__stamp {
  margin: 26px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-disclaimer .instruction-hero__stamp-link {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 208, 124, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .instruction-hero__stamp-link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-disclaimer .instruction-hero__title {
  margin: 18px 0 0;
  max-width: 17em;
  font-size: clamp(2.05rem, 5.4vw, 4.1rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.022em;
  color: var(--white);
}

.page-disclaimer .instruction-hero__lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .instruction-hero__meta {
  margin-top: clamp(28px, 4.4vw, 46px);
  padding-top: 15px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 9px 28px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-disclaimer .disclaimer-body {
  padding: clamp(42px, 6vw, 78px) 0 clamp(58px, 8vw, 106px);
}

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

.page-disclaimer .disclaimer-main {
  min-width: 0;
}

/* ---------- 右侧刻度 ---------- */
.page-disclaimer .disclaimer-rail {
  margin-bottom: 30px;
}

.page-disclaimer .disclaimer-rail__label {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 11px;
  letter-spacing: .13em;
  color: var(--muted);
}

.page-disclaimer .disclaimer-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disclaimer-rail__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disclaimer-rail__link {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
  text-decoration: none;
  background: var(--ink-800);
  clip-path: polygon(9px 0, 100% 0, 100% 100%, 0 100%);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-rail__link:hover {
  color: var(--white);
  background: var(--ink-700);
  transform: translateX(2px);
}

.page-disclaimer .disclaimer-rail__link[aria-current="true"] {
  color: var(--ink-950);
  background: var(--green);
}

/* ---------- 区块 ---------- */
.page-disclaimer .clause {
  scroll-margin-top: 118px;
}

.page-disclaimer .clause + .clause {
  margin-top: clamp(38px, 5.2vw, 62px);
  padding-top: clamp(30px, 4.2vw, 50px);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: 13px;
}

.page-disclaimer .clause__num {
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--green);
}

.page-disclaimer .clause__slash {
  display: inline-block;
  flex: 0 0 auto;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  opacity: .72;
  transform: skewX(-32deg);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.7vw, 1.9rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-disclaimer .clause__body {
  margin-top: 20px;
  max-width: var(--disc-measure);
}

.page-disclaimer .clause__body p {
  margin: 0 0 17px;
  font-size: 16.5px;
  line-height: 1.86;
  color: var(--text);
}

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

.page-disclaimer .clause__body strong {
  color: var(--white);
  font-weight: 700;
}

.page-disclaimer .inline-link {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 208, 124, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .inline-link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 更新节奏表 ---------- */
.page-disclaimer .rhythm {
  margin: 24px 0 26px;
  max-width: 34em;
  display: grid;
  gap: 0;
}

.page-disclaimer .rhythm__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .rhythm__row:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .rhythm__row dt {
  font-size: 14.5px;
  color: var(--text);
}

.page-disclaimer .rhythm__row dd {
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
}

/* ---------- 排查步骤 ---------- */
.page-disclaimer .action-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--disc-measure);
  display: grid;
  gap: 0;
}

.page-disclaimer .action-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 2px;
  border-top: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .action-list__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .action-list__item:hover {
  background: rgba(18, 36, 56, .6);
}

.page-disclaimer .action-list__num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--green);
}

.page-disclaimer .action-list__text {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 页尾署名 ---------- */
.page-disclaimer .colophon {
  margin-top: clamp(46px, 6vw, 76px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-disclaimer .colophon__version {
  margin: 0;
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--amber);
}

.page-disclaimer .colophon__slash {
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--green);
  opacity: .7;
  transform: skewX(-32deg);
}

.page-disclaimer .colophon__note {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 键盘焦点 ---------- */
.page-disclaimer a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 1000px) {
  .page-disclaimer .disclaimer-grid {
    grid-template-columns: minmax(0, 1fr) var(--disc-rail-w);
    column-gap: clamp(36px, 5vw, 78px);
  }

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

  .page-disclaimer .disclaimer-rail {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: 108px;
    margin-bottom: 0;
  }

  .page-disclaimer .disclaimer-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .disclaimer-rail__link {
    white-space: normal;
    padding: 10px 14px;
    font-size: 12px;
  }
}

/* ---------- 低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disclaimer-rail__link,
  .page-disclaimer .action-list__item,
  .page-disclaimer .inline-link,
  .page-disclaimer .instruction-hero__stamp-link {
    transition: none;
  }

  .page-disclaimer .disclaimer-rail__link:hover {
    transform: none;
  }
}