.page-disclaimer {
  --u-hair: rgba(246, 237, 222, .18);
  --u-hair-ink: rgba(29, 21, 18, .14);
  --u-rail: 2px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(4.5rem, 10vw, 8rem);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(223, 242, 78, .16), transparent 58%),
    linear-gradient(158deg, var(--soil-700) 0%, var(--soil-900) 76%);
  color: var(--cream);
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(2rem, 5vw, 3.5rem);
  background: var(--cream);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-disclaimer .usage-hero .breadcrumb__link {
  color: rgba(246, 237, 222, .72);
}

.page-disclaimer .usage-hero .breadcrumb__link:hover,
.page-disclaimer .usage-hero .breadcrumb__link:focus-visible {
  color: var(--volt);
}

.page-disclaimer .usage-hero .breadcrumb__current {
  color: var(--volt);
}

.page-disclaimer .usage-hero__head {
  margin-top: clamp(1.5rem, 5vw, 3rem);
  max-width: 62rem;
}

.page-disclaimer .usage-hero__head h1 {
  margin: .35rem 0 0;
  color: var(--cream);
}

.page-disclaimer .usage-hero__head .lead {
  margin-top: clamp(.875rem, 2vw, 1.25rem);
  color: rgba(237, 231, 220, .84);
  max-width: 46rem;
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-disclaimer .usage-hero__media {
  margin: clamp(2.25rem, 6vw, 3.75rem) 0 0;
}

.page-disclaimer .usage-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 三种入口 ---------- */
.page-disclaimer .usage-entries {
  background: var(--cream);
  color: var(--ink);
}

.page-disclaimer .usage-entry-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 5vw, 2.75rem);
}

.page-disclaimer .usage-entry {
  position: relative;
  padding: 1.5rem 1.25rem 1.5rem 1.35rem;
  border-left: 3px solid var(--soil-500);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: rgba(184, 90, 56, .07);
}

.page-disclaimer .usage-entry:nth-child(2) {
  border-left-color: var(--pine-600);
  background: rgba(47, 106, 85, .08);
}

.page-disclaimer .usage-entry:nth-child(3) {
  border-left-color: var(--bolt);
  background: rgba(60, 155, 255, .09);
}

.page-disclaimer .usage-entry__index {
  display: block;
  margin-bottom: .75rem;
  font-family: var(--font-index);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-disclaimer .usage-entry h3 {
  margin: 0 0 .625rem;
  color: var(--ink);
}

.page-disclaimer .usage-entry p {
  margin: 0 0 .875rem;
  color: var(--ink-soft);
}

/* ---------- 四步路径 ---------- */
.page-disclaimer .usage-steps-section {
  background: linear-gradient(180deg, var(--pine-900) 0%, #0B2A20 100%);
  color: var(--cream);
}

.page-disclaimer .usage-steps-section .eyebrow {
  color: rgba(223, 242, 78, .9);
}

.page-disclaimer .usage-steps-section h2 {
  color: var(--cream);
}

.page-disclaimer .usage-steps-section .lead {
  color: rgba(237, 231, 220, .8);
  max-width: 44rem;
}

.page-disclaimer .usage-steps {
  position: relative;
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
}

.page-disclaimer .usage-steps::before {
  content: "";
  position: absolute;
  left: 1.125rem;
  top: 1.5rem;
  bottom: 2rem;
  width: var(--u-rail);
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--volt) 0%, rgba(223, 242, 78, .12) 100%);
}

.page-disclaimer .usage-step {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.25rem;
}

.page-disclaimer .usage-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--volt);
  color: var(--pine-900);
  font-family: var(--font-index);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-disclaimer .usage-step__body h3 {
  margin: 0 0 .5rem;
  color: var(--cream);
}

.page-disclaimer .usage-step__body p {
  margin: 0 0 .625rem;
  max-width: 44rem;
  color: rgba(237, 231, 220, .82);
}

.page-disclaimer .usage-step__hint {
  display: inline-block;
  padding: .3rem .625rem;
  border: 1px solid rgba(223, 242, 78, .32);
  border-radius: var(--radius-pill);
  font-family: var(--font-index);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: rgba(223, 242, 78, .92);
}

/* ---------- 状态标识 ---------- */
.page-disclaimer .usage-states {
  background: var(--cream);
  color: var(--ink);
}

.page-disclaimer .usage-state-list {
  display: grid;
  gap: 0;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-disclaimer .usage-state {
  border-top: 1px solid var(--u-hair-ink);
}

.page-disclaimer .usage-state:last-of-type {
  border-bottom: 1px solid var(--u-hair-ink);
}

.page-disclaimer .usage-state__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .875rem;
  padding: 1.1rem 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .usage-state__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-state__dot {
  flex: none;
  width: .625rem;
  height: .625rem;
  border-radius: 50%;
  background: var(--pine-600);
}

.page-disclaimer .usage-state__dot--live {
  animation: disclaimer-pulse 2s var(--ease) infinite;
}

.page-disclaimer .usage-state__dot--review {
  background: var(--bolt);
}

.page-disclaimer .usage-state__dot--deep {
  background: var(--soil-500);
}

.page-disclaimer .usage-state__name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}

.page-disclaimer .usage-state__when {
  font-family: var(--font-index);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--clay);
}

.page-disclaimer .usage-state__sign {
  position: relative;
  margin-left: auto;
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid rgba(29, 21, 18, .22);
  border-radius: 50%;
  color: var(--ink);
}

.page-disclaimer .usage-state__sign::before,
.page-disclaimer .usage-state__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-disclaimer .usage-state__sign::before {
  width: .625rem;
  height: 1.5px;
}

.page-disclaimer .usage-state__sign::after {
  width: 1.5px;
  height: .625rem;
  transition: transform .18s var(--ease);
}

.page-disclaimer .usage-state[open] .usage-state__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-disclaimer .usage-state__body {
  padding: 0 0 1.35rem;
}

.page-disclaimer .usage-state__body p {
  margin: 0;
  max-width: 52rem;
  color: var(--ink-soft);
}

@keyframes disclaimer-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 106, 85, .5); }
  50% { box-shadow: 0 0 0 7px rgba(47, 106, 85, 0); }
}

/* ---------- 引用规范 ---------- */
.page-disclaimer .usage-quote {
  background: linear-gradient(170deg, var(--soil-700) 0%, var(--soil-500) 100%);
  color: var(--cream);
}

.page-disclaimer .usage-quote .eyebrow {
  color: rgba(223, 242, 78, .92);
}

.page-disclaimer .usage-quote h2 {
  color: var(--cream);
}

.page-disclaimer .usage-quote .lead {
  color: rgba(246, 237, 222, .86);
  max-width: 44rem;
}

.page-disclaimer .usage-quote-list {
  display: grid;
  gap: .5rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-disclaimer .usage-quote-item {
  border-top: 1px solid var(--u-hair);
  border-radius: var(--radius-card);
  padding-inline: .25rem;
}

.page-disclaimer .usage-quote-item:last-of-type {
  border-bottom: 1px solid var(--u-hair);
}

.page-disclaimer .usage-quote-item[open] {
  background: rgba(16, 56, 44, .22);
}

.page-disclaimer .usage-quote-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .875rem;
  padding: 1.1rem .5rem;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .usage-quote-item__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-quote-item__tag {
  flex: none;
  padding: .25rem .625rem;
  border-radius: var(--radius-pill);
  background: var(--volt);
  color: var(--pine-900);
  font-family: var(--font-index);
  font-size: .6875rem;
  letter-spacing: .08em;
}

.page-disclaimer .usage-quote-item__title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--cream);
}

.page-disclaimer .usage-quote-item__sign {
  position: relative;
  margin-left: auto;
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid rgba(246, 237, 222, .38);
  border-radius: 50%;
  color: var(--cream);
}

.page-disclaimer .usage-quote-item__sign::before,
.page-disclaimer .usage-quote-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-disclaimer .usage-quote-item__sign::before {
  width: .625rem;
  height: 1.5px;
}

.page-disclaimer .usage-quote-item__sign::after {
  width: 1.5px;
  height: .625rem;
  transition: transform .18s var(--ease);
}

.page-disclaimer .usage-quote-item[open] .usage-quote-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-disclaimer .usage-quote-item__body {
  padding: 0 .5rem 1.35rem;
}

.page-disclaimer .usage-quote-item__body p {
  margin: 0;
  max-width: 48rem;
  color: rgba(246, 237, 222, .9);
}

/* ---------- 服务范围 ---------- */
.page-disclaimer .usage-scope {
  background: var(--cream-dim);
  color: var(--ink);
}

.page-disclaimer .usage-scope__grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-disclaimer .usage-scope__intro p {
  margin: 0 0 .875rem;
  max-width: 40rem;
  color: var(--ink-soft);
}

.page-disclaimer .usage-scope__facts {
  margin: 0;
  padding: 1.25rem 1.25rem .5rem;
  background: var(--cream);
  border-radius: var(--radius-card);
  border-left: 3px solid var(--pine-600);
}

.page-disclaimer .usage-scope__fact {
  padding-bottom: .875rem;
  margin-bottom: .875rem;
  border-bottom: 1px solid var(--u-hair-ink);
}

.page-disclaimer .usage-scope__fact:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-disclaimer .usage-scope__fact dt {
  font-family: var(--font-index);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: .3rem;
}

.page-disclaimer .usage-scope__fact dd {
  margin: 0;
  font-size: .9375rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 收尾 ---------- */
.page-disclaimer .usage-cta {
  background: linear-gradient(150deg, var(--pine-900) 0%, #0B2A20 100%);
  color: var(--cream);
}

.page-disclaimer .usage-cta__inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-disclaimer .usage-cta .eyebrow {
  color: rgba(223, 242, 78, .9);
}

.page-disclaimer .usage-cta h2 {
  margin: .35rem 0 .75rem;
  color: var(--cream);
}

.page-disclaimer .usage-cta__copy p {
  margin: 0;
  max-width: 46rem;
  color: rgba(237, 231, 220, .82);
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-disclaimer .usage-entry {
    padding: 1.75rem 1.5rem 1.75rem 1.5rem;
  }

  .page-disclaimer .usage-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .usage-steps::before {
    left: 1.75rem;
    top: 2rem;
    bottom: 2.5rem;
  }

  .page-disclaimer .usage-step {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    padding-block: 1.75rem;
  }

  .page-disclaimer .usage-step__num {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1rem;
  }

  .page-disclaimer .usage-scope__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .usage-hero__head {
    max-width: 54rem;
  }

  .page-disclaimer .usage-hero__media {
    margin-top: clamp(3rem, 6vw, 4.5rem);
  }
}