.page-disclaimer {
  --doc-paper: #EDF3EE;
  --doc-ink: #0A1526;
  --doc-shadow: rgba(0, 0, 0, 0.38);
  background: var(--night);
  color: var(--label);
  font-family: var(--font-sans);
  overflow-x: hidden;
  padding-bottom: 72px;
}

/* ---------- 顶部横幅 ---------- */

.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 150% at 84% 6%, rgba(23, 162, 107, 0.24), transparent 56%),
    radial-gradient(90% 120% at 8% 96%, rgba(53, 194, 214, 0.12), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--stand) 100%);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -6%;
  width: 58%;
  height: 140%;
  background: repeating-linear-gradient(
    -6deg,
    rgba(44, 64, 90, 0.55) 0 1px,
    rgba(44, 64, 90, 0) 1px 13px
  );
  opacity: 0.55;
  pointer-events: none;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--field) 0%, var(--turf) 38%, var(--cyan) 70%, var(--signal) 100%);
  opacity: 0.85;
}

.page-disclaimer .doc-hero__crumb {
  position: relative;
  z-index: 1;
  padding-top: clamp(16px, 3vw, 26px);
}

.page-disclaimer .doc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  padding-block: clamp(20px, 4vw, 34px) clamp(28px, 5vw, 54px);
}

.page-disclaimer .doc-hero__label {
  display: inline-block;
  color: var(--turf);
  border-color: rgba(79, 209, 165, 0.45);
  margin-bottom: 14px;
}

.page-disclaimer .doc-hero__title {
  margin: 0 0 16px;
  font-size: clamp(28px, 5.6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--label);
}

.page-disclaimer .doc-hero__lede {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-hero__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: rgba(10, 21, 38, 0.6);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-disclaimer .doc-hero__meta-num {
  color: var(--cyan);
  font-size: 15px;
  font-weight: 700;
}

.page-disclaimer .doc-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 rgba(10, 21, 38, 0.55);
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* ---------- 正文骨架 ---------- */

.page-disclaimer .doc-body {
  max-width: 1040px;
  padding-block: clamp(20px, 3.5vw, 44px) clamp(36px, 6vw, 76px);
}

.page-disclaimer .doc-sec {
  border-top: 1px solid var(--line);
  padding-block: clamp(18px, 2.8vw, 30px);
}

.page-disclaimer .doc-sec:first-of-type {
  border-top: 0;
}

.page-disclaimer .doc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 6px 0;
  cursor: pointer;
  list-style: none;
  border-radius: 2px;
}

.page-disclaimer .doc-sec__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-sec__head:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 4px;
}

.page-disclaimer .doc-sec__no {
  flex: none;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  color: var(--field);
  letter-spacing: 0.02em;
  transition: color var(--ease);
}

.page-disclaimer .doc-sec:not([open]) .doc-sec__no {
  color: var(--signal);
}

.page-disclaimer .doc-sec__title {
  margin: 0;
  font-size: clamp(19px, 2.7vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--label);
}

.page-disclaimer .doc-sec__chev {
  position: relative;
  flex: none;
  align-self: center;
  margin-left: auto;
  width: 18px;
  height: 18px;
}

.page-disclaimer .doc-sec__chev::before,
.page-disclaimer .doc-sec__chev::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  background: var(--muted);
  transform-origin: center;
  transition: transform var(--ease), background var(--ease);
}

.page-disclaimer .doc-sec__chev::after {
  transform: rotate(90deg);
}

.page-disclaimer .doc-sec[open] .doc-sec__chev::after {
  transform: rotate(0deg);
}

.page-disclaimer .doc-sec__head:hover .doc-sec__chev::before,
.page-disclaimer .doc-sec__head:hover .doc-sec__chev::after {
  background: var(--turf);
}

.page-disclaimer .doc-sec__grid {
  display: grid;
  gap: 18px;
  padding-top: 14px;
}

/* ---------- 展签式边注 ---------- */

.page-disclaimer .doc-note {
  position: relative;
  align-self: start;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(18, 37, 61, 0.72);
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  transition: border-color var(--ease), background var(--ease);
}

.page-disclaimer .doc-note:hover,
.page-disclaimer .doc-note:focus-within {
  border-left-color: var(--signal);
  background: rgba(18, 37, 61, 0.95);
}

.page-disclaimer .doc-note__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 9px;
  border: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--label);
  background: rgba(10, 21, 38, 0.55);
}

.page-disclaimer .doc-note__base {
  margin: 0;
}

.page-disclaimer .doc-note__more {
  margin: 0;
  color: var(--turf);
}

/* ---------- 来源清单 ---------- */

.page-disclaimer .src-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .src-list__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .src-list__key {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--field);
}

.page-disclaimer .src-list__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--label);
}

/* ---------- 更新节奏 ---------- */

.page-disclaimer .beat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .beat-row {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(18, 37, 61, 0.62);
  border-left: 3px solid var(--line);
  transition: border-left-color var(--ease), background var(--ease);
}

.page-disclaimer .beat-row:hover {
  border-left-color: var(--turf);
  background: rgba(18, 37, 61, 0.92);
}

.page-disclaimer .beat-row__k {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .beat-row__v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--label);
}

/* ---------- 引用格式块 ---------- */

.page-disclaimer .doc-sub {
  margin: 22px 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--turf);
}

.page-disclaimer .cite-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-disclaimer .cite-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 10px;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(18, 37, 61, 0.62);
}

.page-disclaimer .cite-row__label {
  grid-column: 1 / -1;
  justify-self: start;
  color: var(--muted);
}

.page-disclaimer .cite-row__code {
  display: block;
  min-width: 0;
  padding: 10px 12px;
  background: var(--doc-paper);
  color: var(--doc-ink);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-disclaimer .copy-btn {
  flex: none;
  padding: 9px 14px;
  border: 1px solid var(--signal);
  background: transparent;
  color: var(--signal);
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.page-disclaimer .copy-btn:hover {
  background: var(--signal);
  color: var(--night);
}

.page-disclaimer .doc-inline-link {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-disclaimer .doc-inline-link a {
  color: var(--turf);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-inline-link a:hover {
  color: var(--signal);
}

/* ---------- 底部固定反馈入口 ---------- */

.page-disclaimer .doc-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--signal);
  background: rgba(10, 21, 38, 0.94);
  color: var(--label);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.page-disclaimer .doc-float:hover {
  background: var(--signal);
  color: var(--night);
  transform: translateY(-2px);
}

.page-disclaimer .doc-float:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 3px;
}

.page-disclaimer .doc-float__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
  animation: doc-pulse 2s ease-in-out infinite;
}

.page-disclaimer .doc-float:hover .doc-float__dot {
  background: var(--night);
}

@keyframes doc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-disclaimer .src-list__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 20px;
    align-items: baseline;
  }

  .page-disclaimer .beat-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 48px;
  }

  .page-disclaimer .doc-sec__grid {
    grid-template-columns: minmax(0, 1fr) 218px;
    gap: 22px 42px;
    align-items: start;
  }

  .page-disclaimer .doc-note {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .doc-note__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 180ms ease, opacity 180ms ease, margin-top 180ms ease;
    margin-top: 0;
  }

  .page-disclaimer .doc-note:hover .doc-note__more,
  .page-disclaimer .doc-note:focus-within .doc-note__more {
    max-height: 8em;
    opacity: 1;
    margin-top: 6px;
  }
}

@media (hover: none) {
  .page-disclaimer .doc-note__more {
    margin-top: 6px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .cite-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .copy-btn {
    justify-self: start;
  }

  .page-disclaimer .doc-float {
    right: 10px;
    bottom: 10px;
    padding: 9px 13px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-float__dot {
    animation: none;
  }

  .page-disclaimer .doc-float:hover {
    transform: none;
  }

  .page-disclaimer .doc-note__more {
    transition: none;
  }
}