.page-disclaimer {
  --u-body: var(--indigo);
  --u-hair: rgba(13, 21, 38, .16);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-disclaimer .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer a {
  color: var(--night);
}

.page-disclaimer .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏框景 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  margin-top: clamp(16px, 2.5vw, 26px);
  background: linear-gradient(158deg, var(--night) 0%, var(--indigo) 60%, var(--night) 100%);
  border-top: var(--bw) solid var(--lime);
  border-bottom: var(--bw) solid var(--ink);
  color: var(--white);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(114deg, rgba(53, 240, 162, .08) 0 2px, transparent 2px 28px);
  pointer-events: none;
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(52px, 8vw, 104px);
}

.page-disclaimer .usage-hero__kicker {
  margin: 0 0 16px;
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer .usage-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--lime);
}

.page-disclaimer .usage-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(38px, 7vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .usage-hero__lede {
  max-width: 60ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(247, 250, 255, .84);
}

.page-disclaimer .usage-hero__meta {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 34px 0 0;
  padding: 0;
  max-width: 640px;
}

.page-disclaimer .usage-hero__meta li {
  padding: 6px 0 6px 16px;
  border-left: var(--bw) solid var(--lime);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: rgba(247, 250, 255, .82);
}

.page-disclaimer .usage-hero__meta .num {
  font-size: var(--fs-20);
  color: var(--lime);
  margin-right: 6px;
}

/* ---------- 版式骨架 ---------- */
.page-disclaimer .usage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-block: clamp(48px, 7vw, 96px);
}

.page-disclaimer .usage-index {
  border: var(--bw) solid var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-hard-sm);
  padding: 18px 16px 20px;
}

.page-disclaimer .usage-index__cap {
  margin: 0 0 12px;
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--violet);
}

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

.page-disclaimer .usage-index__list a {
  display: flex;
  gap: 10px;
  padding: 9px 8px;
  border-left: 3px solid transparent;
  font-size: var(--fs-14);
  line-height: 1.45;
  text-decoration: none;
  color: var(--ink);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-index__list a:hover,
.page-disclaimer .usage-index__list a:focus-visible {
  background: var(--mist);
  border-left-color: var(--lime);
}

.page-disclaimer .usage-index__list .num {
  flex: none;
  padding-top: 1px;
  font-size: var(--fs-12);
  color: var(--night);
  background: var(--paper);
  padding: 2px 6px;
  line-height: 1.4;
}

/* ---------- 条款 ---------- */
.page-disclaimer .clause {
  border-top: var(--bw) solid var(--ink);
  padding-top: clamp(20px, 3vw, 30px);
  margin-bottom: clamp(48px, 7vw, 88px);
  scroll-margin-top: 96px;
}

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

.page-disclaimer .clause__no {
  display: inline-block;
  margin: 0 0 16px;
  padding: 3px 10px;
  border: 2px solid var(--ink);
  background: var(--lime);
  font-size: var(--fs-14);
  letter-spacing: .08em;
  color: var(--night);
}

.page-disclaimer .clause__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.16;
  color: var(--ink);
}

.page-disclaimer .clause__lede {
  max-width: 64ch;
  margin: 0 0 26px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--u-body);
}

.page-disclaimer .clause > p {
  max-width: 64ch;
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--u-body);
}

.page-disclaimer .clause__note {
  max-width: none;
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 6px solid var(--cyan);
  background: var(--white);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--u-body);
}

/* ---------- 来源清单 ---------- */
.page-disclaimer .src-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-disclaimer .src-list__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  border-left: var(--bw) solid var(--cyan);
  background: var(--white);
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .src-list__no {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--ink);
  background: var(--cyan);
  font-size: var(--fs-14);
  color: var(--night);
}

.page-disclaimer .src-list__body {
  min-width: 0;
}

.page-disclaimer .src-list__name {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: .02em;
  color: var(--ink);
}

.page-disclaimer .src-list__body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--u-body);
}

/* ---------- 分隔图 ---------- */
.page-disclaimer .flow-frame {
  margin: 0 0 clamp(48px, 7vw, 88px);
  border: var(--bw) solid var(--lime);
  background: var(--night);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .flow-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .flow-frame .frame__caption {
  padding: 12px 16px;
  border-top: 2px solid rgba(53, 240, 162, .35);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(247, 250, 255, .76);
}

/* ---------- 更新节奏 ---------- */
.page-disclaimer .cadence {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 2px dashed rgba(13, 21, 38, .3);
  display: grid;
  gap: 28px;
}

.page-disclaimer .cadence__step {
  position: relative;
}

.page-disclaimer .cadence__step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 9px;
  width: 12px;
  height: 12px;
  background: var(--night);
  border: 2px solid var(--orange);
  border-radius: 50%;
}

.page-disclaimer .cadence__when {
  margin: 0 0 6px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--violet);
}

.page-disclaimer .cadence__what {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  color: var(--ink);
}

.page-disclaimer .cadence__step p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--u-body);
}

/* ---------- 许可两栏 ---------- */
.page-disclaimer .license-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-disclaimer .license-card {
  border: var(--bw) solid var(--ink);
  background: var(--white);
  padding: 22px 20px 24px;
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .license-card--open {
  border-top: 6px solid var(--lime);
}

.page-disclaimer .license-card--ask {
  border-top: 6px solid var(--violet);
}

.page-disclaimer .license-card__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  background: var(--indigo);
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--white);
}

.page-disclaimer .license-card--ask .license-card__tag {
  background: var(--violet);
}

.page-disclaimer .license-card__title {
  margin: 0 0 18px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--ink);
}

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

.page-disclaimer .license-list li {
  position: relative;
  padding-left: 28px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--u-body);
}

.page-disclaimer .license-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 12px;
  height: 12px;
  border: 2px solid var(--ink);
  background: var(--lime);
}

.page-disclaimer .license-card--ask .license-list li::before {
  background: transparent;
  border-color: var(--night);
  border-radius: 50%;
}

.page-disclaimer .license-card__foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--u-hair);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--u-body);
}

.page-disclaimer .license-card__foot a {
  color: var(--night);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 纠错 ---------- */
.page-disclaimer .correction-sheet {
  margin: 0 0 20px;
  border: var(--bw) solid var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .correction-sheet__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  background: var(--night);
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: .02em;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .correction-sheet__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .correction-sheet__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--fs-25);
  line-height: 1;
  color: var(--lime);
}

.page-disclaimer .correction-sheet[open] .correction-sheet__summary::after {
  content: "–";
}

.page-disclaimer .correction-sheet__list {
  list-style: none;
  margin: 0;
  padding: 18px 20px 22px;
  display: grid;
  gap: 12px;
  counter-reset: csheet;
}

.page-disclaimer .correction-sheet__list li {
  position: relative;
  padding-left: 36px;
  counter-increment: csheet;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--u-body);
}

.page-disclaimer .correction-sheet__list li::before {
  content: counter(csheet, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .18em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--night);
  border-bottom: 2px solid var(--cyan);
}

.page-disclaimer .correction-sheet__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-disclaimer .correction-channels {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: var(--bw) solid var(--indigo);
  background: var(--white);
}

.page-disclaimer .correction-channels p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--u-body);
}

.page-disclaimer .correction-channels .num {
  color: var(--night);
  font-weight: 700;
}

.page-disclaimer .correction-channels a {
  color: var(--night);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 服务范围 ---------- */
.page-disclaimer .scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

.page-disclaimer .scope-card {
  border-top: var(--bw) solid var(--night);
  padding-top: 16px;
}

.page-disclaimer .scope-card__name {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  color: var(--ink);
}

.page-disclaimer .scope-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--u-body);
}

.page-disclaimer .metric-strip {
  padding: 20px 20px 22px;
  border: var(--bw) solid var(--ink);
  background: var(--night);
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .metric-strip__cap {
  margin: 0 0 14px;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-disclaimer .metric-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .metric-strip__list li {
  padding: 5px 10px;
  border: 1px solid rgba(53, 240, 162, .42);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: rgba(247, 250, 255, .92);
}

.page-disclaimer .metric-strip__list .metric-strip__more {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--night);
}

/* ---------- 收束条 ---------- */
.page-disclaimer .usage-cta {
  margin-top: clamp(48px, 7vw, 88px);
  border-top: var(--bw) solid var(--lime);
  background: linear-gradient(118deg, var(--night) 0%, var(--indigo) 70%, var(--night) 100%);
  color: var(--white);
}

.page-disclaimer .usage-cta__inner {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-disclaimer .usage-cta__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.2;
  color: var(--white);
}

.page-disclaimer .usage-cta__text {
  max-width: 64ch;
  margin: 0 0 28px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(247, 250, 255, .82);
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 620px) {
  .page-disclaimer .usage-hero__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .correction-channels {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .license-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .usage-index {
    position: sticky;
    top: 104px;
  }
}