.page-disclaimer {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-disclaimer a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(47, 245, 206, 0.38);
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}

.page-disclaimer a:hover {
  color: var(--white);
  text-decoration-color: var(--cyan);
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-disclaimer .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 页首 ---------- */
.page-disclaimer .usage-top {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 380px at 84% -18%, rgba(47, 245, 206, 0.16), transparent 68%),
    radial-gradient(620px 320px at 6% 8%, rgba(255, 122, 47, 0.1), transparent 70%),
    linear-gradient(180deg, var(--indigo) 0%, var(--ink) 100%);
}

.page-disclaimer .usage-top__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-disclaimer .usage-top__inner {
  position: relative;
  z-index: 1;
  padding: 26px var(--gut) 40px;
}

.page-disclaimer .usage-top .breadcrumb {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-disclaimer .usage-top .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-disclaimer .usage-top .breadcrumb a:hover {
  color: var(--cyan);
}

.page-disclaimer .usage-top .breadcrumb span[aria-hidden] {
  margin: 0 8px;
}

.page-disclaimer .usage-top__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-top__brand {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .usage-top__ver {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-disclaimer .usage-top h1 {
  margin: 26px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 15em;
}

.page-disclaimer .usage-top .lede {
  margin: 20px 0 0;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 条文索引 ---------- */
.page-disclaimer .usage-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 32px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .usage-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  background: var(--ink-deep);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .usage-index a:hover,
.page-disclaimer .usage-index a:focus-visible {
  background: var(--teal);
  color: var(--cyan);
}

.page-disclaimer .usage-index__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

/* ---------- 条文主体 ---------- */
.page-disclaimer .usage-body {
  padding-bottom: 72px;
}

.page-disclaimer .clause {
  padding: 40px 0 34px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .clause:last-child {
  padding-bottom: 0;
}

.page-disclaimer .clause__mark {
  margin-bottom: 8px;
}

.page-disclaimer .clause__num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--signal);
}

.page-disclaimer .clause__main {
  max-width: 780px;
}

.page-disclaimer .clause__main h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause__body {
  margin-top: 16px;
}

.page-disclaimer .clause__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(238, 244, 255, 0.88);
}

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

.page-disclaimer .clause__body ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__body ul li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(238, 244, 255, 0.88);
}

.page-disclaimer .clause__body ul li:first-child {
  border-top: 1px solid var(--line);
}

.page-disclaimer .clause__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 10px;
  height: 1px;
  background: var(--signal);
}

/* ---------- 对照表 ---------- */
.page-disclaimer .usage-table-wrap {
  margin: 4px 0 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-disclaimer .usage-table thead th {
  padding: 13px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--mist);
  background: var(--indigo);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-table tbody td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.78;
  color: rgba(238, 244, 255, 0.86);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-table tbody tr {
  transition: background 0.18s var(--ease);
}

.page-disclaimer .usage-table tbody tr:hover {
  background: rgba(47, 245, 206, 0.07);
}

.page-disclaimer .usage-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-disclaimer .usage-table tbody td:first-child {
  color: var(--cyan);
  font-weight: 500;
  white-space: nowrap;
}

.page-disclaimer .usage-table__flag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border: 1px solid var(--line);
}

.page-disclaimer .usage-table__flag--needed {
  color: var(--signal);
  border-color: rgba(255, 122, 47, 0.5);
}

/* ---------- 引用示例 ---------- */
.page-disclaimer .quote-sample {
  margin: 0 0 20px;
  padding: 18px 20px;
  background: var(--teal);
  border-left: 3px solid var(--cyan);
  font-family: var(--font-data);
  font-size: 13.5px;
  line-height: 2;
  letter-spacing: 0.02em;
  color: var(--white);
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---------- 修订记录 ---------- */
.page-disclaimer .revlog {
  margin-top: 22px;
  background: var(--indigo);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .revlog summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--cyan);
  transition: background 0.2s var(--ease);
}

.page-disclaimer .revlog summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .revlog summary:hover {
  background: rgba(47, 245, 206, 0.06);
}

.page-disclaimer .revlog summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1;
  color: var(--signal);
}

.page-disclaimer .revlog[open] summary::after {
  content: "−";
}

.page-disclaimer .revlog__list {
  margin: 0;
  padding: 0 16px 16px;
  list-style: none;
  counter-reset: rev;
}

.page-disclaimer .revlog__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(238, 244, 255, 0.86);
}

.page-disclaimer .revlog__v {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

/* ---------- 通道分流 ---------- */
.page-disclaimer .route-list {
  display: grid;
  gap: 1px;
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .route-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px;
  background: var(--ink);
  border-bottom: 0;
  transition: background 0.18s var(--ease);
}

.page-disclaimer .route-list li:hover {
  background: var(--ink-deep);
}

.page-disclaimer .route-list li::before {
  display: none;
}

.page-disclaimer .route-list__k {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cyan);
}

.page-disclaimer .route-list__v {
  font-size: 14.8px;
  line-height: 1.78;
  color: rgba(238, 244, 255, 0.86);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .usage-top__inner {
    padding-top: 34px;
    padding-bottom: 52px;
  }

  .page-disclaimer .usage-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-index a {
    padding: 15px 18px;
  }

  .page-disclaimer .revlog__list li {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-disclaimer .route-list li {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
    padding: 18px 20px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .clause {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 36px;
    padding: 52px 0 44px;
  }

  .page-disclaimer .clause__mark {
    margin-bottom: 0;
    padding-top: 6px;
  }

  .page-disclaimer .clause__num {
    font-size: 40px;
  }

  .page-disclaimer .clause__body {
    margin-top: 18px;
  }

  .page-disclaimer .usage-body {
    padding-bottom: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer a,
  .page-disclaimer .usage-index a,
  .page-disclaimer .usage-table tbody tr,
  .page-disclaimer .revlog summary,
  .page-disclaimer .route-list li {
    transition-duration: 0.01ms;
  }
}