.page-disclaimer {
  --disc-body: #C7D0EE;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .breadcrumb {
  margin: clamp(18px, 3vw, 30px) 0 clamp(20px, 3.5vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  padding: clamp(26px, 4.5vw, 50px) 0 clamp(24px, 4vw, 44px);
  margin-bottom: clamp(36px, 6vw, 76px);
}

.page-disclaimer .disc-hero__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  font-size: clamp(1.85rem, 4.6vw, 3.05rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--star);
  max-width: 20ch;
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(.98rem, 1.2vw, 1.06rem);
  line-height: 1.85;
  color: var(--disc-body);
}

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

/* ---------- 章节骨架 ---------- */
.page-disclaimer .disc-section {
  margin-top: clamp(48px, 7vw, 92px);
}

.page-disclaimer .disc-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 14px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-disclaimer .disc-section__code {
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-disclaimer .disc-section__title {
  margin: 0;
  font-size: clamp(1.22rem, 2.2vw, 1.72rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--star);
}

.page-disclaimer .disc-section__lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 46em;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .disc-section a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .disc-section a:hover {
  color: var(--star);
}

/* ---------- 01 基本约定 ---------- */
.page-disclaimer .disc-cols {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  grid-template-columns: 1fr;
}

.page-disclaimer .disc-note {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--grid);
}

.page-disclaimer .disc-note--a { border-left: 2px solid var(--blue); }
.page-disclaimer .disc-note--b { border-left: 2px solid var(--amber); }
.page-disclaimer .disc-note--c { border-left: 2px solid var(--orange); }

.page-disclaimer .disc-note__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--star);
}

.page-disclaimer .disc-note p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--disc-body);
}

/* ---------- 02 六步路径 ---------- */
.page-disclaimer .disc-figure {
  margin: 0 0 clamp(22px, 3.2vw, 34px);
}

.page-disclaimer .disc-figure .media-frame__cap {
  color: var(--haze);
  font-size: .84rem;
  letter-spacing: .02em;
}

.page-disclaimer .path-rail {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-disclaimer .path-rail__node {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 14px 12px 13px;
  border: 1px solid var(--grid);
  background: var(--night);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-disclaimer .path-rail__node:hover {
  border-color: var(--mint);
  box-shadow: inset 0 0 0 1px rgba(47, 232, 176, .22);
}

.page-disclaimer .path-rail__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-disclaimer .path-rail__label {
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--star);
  overflow-wrap: anywhere;
}

.page-disclaimer .path-rail__hint {
  font-size: .78rem;
  line-height: 1.5;
  color: var(--haze);
  opacity: .6;
  overflow-wrap: anywhere;
  transition: opacity .2s var(--ease);
}

.page-disclaimer .path-rail__node:hover .path-rail__hint {
  opacity: 1;
}

.page-disclaimer .path-rail__node:nth-child(6) .path-rail__num {
  color: var(--mint);
}

.page-disclaimer .step-stack {
  display: grid;
  gap: 10px;
}

.page-disclaimer .step-item {
  border: 1px solid var(--grid);
  background: var(--glass);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-disclaimer .step-item[open] {
  border-color: var(--blue);
  background: var(--night);
}

.page-disclaimer .step-item__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .step-item__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .step-item__sum:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-disclaimer .step-item__sum::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--haze);
}

.page-disclaimer .step-item[open] .step-item__sum::after {
  content: "−";
  color: var(--mint);
}

.page-disclaimer .step-item__num {
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--amber);
  padding: 4px 7px;
  border: 1px solid rgba(255, 194, 74, .35);
}

.page-disclaimer .step-item[open] .step-item__num {
  color: var(--mint);
  border-color: rgba(47, 232, 176, .45);
}

.page-disclaimer .step-item__label {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-disclaimer .step-item__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--star);
}

.page-disclaimer .step-item__hint {
  font-size: .8rem;
  line-height: 1.5;
  color: var(--haze);
  overflow-wrap: anywhere;
}

.page-disclaimer .step-item__body {
  margin: 0 clamp(16px, 2.4vw, 22px);
  padding: 14px 0 18px;
  border-top: 1px solid var(--grid);
  font-size: .95rem;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .step-item__body p {
  margin: 0 0 10px;
}

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

/* ---------- 03 条款读法 ---------- */
.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .clause-item {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .clause-item__key {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .98rem;
  font-weight: 700;
  color: var(--star);
}

.page-disclaimer .clause-item__idx {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-disclaimer .clause-item__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .disc-mark {
  color: var(--star);
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.page-disclaimer .disc-pitfall {
  padding: clamp(20px, 3vw, 30px);
  border-left: 2px solid var(--orange);
}

.page-disclaimer .disc-pitfall__title {
  margin: 0 0 14px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--star);
}

.page-disclaimer .disc-pitfall__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-pitfall__item {
  position: relative;
  padding-left: 22px;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--disc-body);
}

.page-disclaimer .disc-pitfall__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 11px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 04 引用约定 ---------- */
.page-disclaimer .disc-keep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-keep__item {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .disc-keep__key {
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .08em;
  color: var(--mint);
}

.page-disclaimer .disc-keep__text {
  font-size: .95rem;
  line-height: 1.82;
  color: var(--disc-body);
  overflow-wrap: anywhere;
}

/* ---------- 05 更新节律 ---------- */
.page-disclaimer .disc-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--grid);
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-disclaimer .disc-track__item {
  position: relative;
}

.page-disclaimer .disc-track__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: .45em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--night);
  border: 1px solid var(--blue);
}

.page-disclaimer .disc-track__item:last-child::before {
  background: var(--mint);
  border-color: var(--mint);
}

.page-disclaimer .disc-track__when {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-disclaimer .disc-track__what {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--disc-body);
}

/* ---------- 06 提问渠道 ---------- */
.page-disclaimer .disc-ask {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--grid);
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(59, 107, 255, .14), transparent 62%),
    var(--night);
}

.page-disclaimer .disc-ask__main {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-disclaimer .disc-ask__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--star);
}

.page-disclaimer .disc-ask__text {
  margin: 0;
  max-width: 42em;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .disc-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .disc-ask__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-disclaimer .disc-ask__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-ask__key {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--haze);
}

.page-disclaimer .disc-ask__val {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--star);
  overflow-wrap: anywhere;
}

/* ---------- 底部路径 ---------- */
.page-disclaimer .disc-cta {
  margin-top: clamp(44px, 7vw, 84px);
  padding: clamp(24px, 4vw, 40px);
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--grid);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(47, 232, 176, .12), transparent 60%),
    var(--deep);
}

.page-disclaimer .disc-cta__text {
  margin: 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .disc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 窄屏到宽屏 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .path-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-disclaimer .disc-cols {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-disclaimer .disc-note--a { grid-column: 1 / 8; }
  .page-disclaimer .disc-note--b { grid-column: 8 / 13; }
  .page-disclaimer .disc-note--c { grid-column: 1 / 13; }

  .page-disclaimer .disc-keep__item {
    grid-template-columns: minmax(0, 2fr) minmax(0, 9fr);
    gap: clamp(16px, 3vw, 36px);
    align-items: baseline;
  }

  .page-disclaimer .disc-ask {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .clause-item {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(18px, 3vw, 40px);
    align-items: baseline;
  }

  .page-disclaimer .disc-cta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-disclaimer .disc-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1020px) {
  .page-disclaimer .path-rail {
    position: relative;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .page-disclaimer .path-rail::before {
    content: "";
    position: absolute;
    left: 3%;
    right: 3%;
    top: 23px;
    height: 1px;
    z-index: 0;
    background: linear-gradient(90deg, var(--grid) 0%, var(--blue) 55%, var(--mint) 100%);
  }

  .page-disclaimer .path-rail__node {
    padding-top: 16px;
  }
}

@media (hover: none) {
  .page-disclaimer .path-rail__hint {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .path-rail__node,
  .page-disclaimer .path-rail__hint,
  .page-disclaimer .step-item {
    transition: none;
  }
}