/* ===== 使用说明页 作用域：.page-disclaimer ===== */
.page-disclaimer {
  --dc-line: rgba(107, 91, 69, .3);
  --dc-line-strong: rgba(107, 91, 69, .55);
  --dc-text: rgba(230, 224, 211, .87);
  --dc-text-soft: rgba(230, 224, 211, .72);
  background: var(--ink);
  color: var(--text-on-dark);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(1.25rem, 4vw, 2.25rem);
}
.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--dc-text-soft);
}
.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: .45rem;
  color: var(--amber);
  opacity: .5;
}
.page-disclaimer .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .28s var(--ease), border-color .28s var(--ease);
}
.page-disclaimer .breadcrumb-link:hover,
.page-disclaimer .breadcrumb-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  padding: clamp(1.5rem, 4.5vw, 2.75rem) 0 clamp(2.25rem, 6vw, 4rem);
  background:
    radial-gradient(115% 80% at 90% -5%, rgba(217, 164, 65, .17), transparent 58%),
    repeating-linear-gradient(94deg, rgba(255, 255, 255, .024) 0 1px, transparent 1px 11px),
    linear-gradient(180deg, var(--ink-3) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--dc-line);
}
.page-disclaimer .dc-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: center;
}
.page-disclaimer .dc-hero h1 {
  margin: 0 0 1.15rem;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6vw, 3.2rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-disclaimer .dc-lede {
  margin: 0 0 1rem;
  max-width: 32em;
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.9;
  color: var(--dc-text);
}
.page-disclaimer .dc-lede--sub {
  margin-bottom: 1.75rem;
  font-size: clamp(.95rem, 2vw, 1.02rem);
  color: var(--dc-text-soft);
}
.page-disclaimer .dc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .dc-jump a {
  display: inline-block;
  padding: .42rem .88rem;
  border: 1px solid var(--dc-line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  transition: background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.page-disclaimer .dc-jump a:hover,
.page-disclaimer .dc-jump a:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-3);
}

.page-disclaimer .dc-figure {
  margin: 0;
}
.page-disclaimer .dc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid rgba(107, 91, 69, .5);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard-amber);
}
.page-disclaimer .dc-figure-cap {
  margin: .9rem 0 0;
  font-family: var(--font-body);
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(168, 216, 200, .8);
}

/* ---------- 条带区 ---------- */
.page-disclaimer .dc-strips {
  display: block;
}
.page-disclaimer .dc-strip {
  position: relative;
  background: var(--ink);
  border-bottom: 1px solid var(--dc-line);
}
.page-disclaimer .dc-strip:nth-of-type(even) {
  background: var(--ink-2);
}
.page-disclaimer .dc-strip-inner {
  display: grid;
  gap: clamp(.9rem, 2.6vw, 1.6rem);
  padding-top: clamp(1.85rem, 4.6vw, 3.1rem);
  padding-bottom: clamp(1.85rem, 4.6vw, 3.1rem);
}

.page-disclaimer .dc-strip-aside {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-width: 0;
}
.page-disclaimer .dc-strip-no {
  display: block;
  font-size: .78rem;
  letter-spacing: .24em;
  color: var(--amber);
}
.page-disclaimer .dc-strip-h {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}
.page-disclaimer .dc-strip-h button {
  display: inline-block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  cursor: pointer;
}
.page-disclaimer .dc-strip-h button::after {
  content: "+";
  display: inline-block;
  margin-left: .4em;
  font-family: var(--font-mono);
  font-size: .82em;
  font-weight: 400;
  color: var(--amber);
}
.page-disclaimer .dc-strip-h button[aria-expanded="true"]::after {
  content: "\2013";
}
.page-disclaimer .dc-strip-h button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
  border-radius: 2px;
}

.page-disclaimer .dc-strip-body {
  min-width: 0;
  overflow: hidden;
  transition: height .32s var(--ease);
}
.page-disclaimer .dc-strip-body[hidden] {
  display: none;
}

/* ---------- 条带内文 ---------- */
.page-disclaimer .dc-p {
  margin: 0 0 1rem;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--dc-text);
}
.page-disclaimer .dc-key {
  font-family: var(--font-mono);
  font-size: .95em;
  letter-spacing: .04em;
  color: var(--amber);
  white-space: nowrap;
}
.page-disclaimer .dc-list {
  display: grid;
  gap: .72rem;
  margin: 0 0 1.15rem;
  padding: 0;
  max-width: 36em;
  list-style: none;
}
.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 1.5rem;
  font-family: var(--font-body);
  font-size: 1.01rem;
  line-height: 1.82;
  color: var(--dc-text);
}
.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: .18rem;
  top: .7em;
  width: .42rem;
  height: .42rem;
  background: var(--amber);
  transform: rotate(45deg);
}
.page-disclaimer .dc-list a,
.page-disclaimer .dc-p a,
.page-disclaimer .dc-callout a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 205, 138, .45);
  transition: color .28s var(--ease), border-color .28s var(--ease);
}
.page-disclaimer .dc-list a:hover,
.page-disclaimer .dc-list a:focus-visible,
.page-disclaimer .dc-p a:hover,
.page-disclaimer .dc-p a:focus-visible,
.page-disclaimer .dc-callout a:hover,
.page-disclaimer .dc-callout a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-disclaimer .dc-callout {
  margin: 1.35rem 0 0;
  padding: 1rem 1.15rem;
  max-width: 36em;
  border-left: 3px solid var(--celadon);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: rgba(79, 168, 139, .1);
}
.page-disclaimer .dc-callout p {
  margin: 0;
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.82;
  color: var(--dc-text);
}

/* ---------- 编号对照 ---------- */
.page-disclaimer .dc-compare {
  margin-top: 1.5rem;
  border: 2px solid var(--dc-line-strong);
  border-radius: var(--radius-card);
  background: rgba(11, 21, 36, .45);
  overflow: hidden;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.page-disclaimer .dc-compare:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-hard);
}
.page-disclaimer .dc-compare-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.1rem;
  border: 0;
  background: none;
  color: var(--sand);
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-align: left;
  cursor: pointer;
  transition: background .28s var(--ease), color .28s var(--ease);
}
.page-disclaimer .dc-compare-trigger::after {
  content: "\25BE";
  flex: none;
  font-size: .85em;
  color: var(--amber);
  transition: transform .28s var(--ease);
}
.page-disclaimer .dc-compare-trigger[aria-expanded="true"]::after {
  transform: rotate(180deg);
}
.page-disclaimer .dc-compare-trigger:hover,
.page-disclaimer .dc-compare-trigger:focus-visible {
  background: rgba(217, 164, 65, .1);
  color: var(--amber);
}
.page-disclaimer .dc-compare-trigger:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}
.page-disclaimer .dc-compare-panel {
  overflow: hidden;
  transition: height .32s var(--ease);
}
.page-disclaimer .dc-compare-panel[hidden] {
  display: none;
}
.page-disclaimer .dc-table-wrap {
  overflow-x: auto;
  padding: 0 .9rem .9rem;
}
.page-disclaimer .dc-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: .94rem;
}
.page-disclaimer .dc-table th,
.page-disclaimer .dc-table td {
  padding: .68rem .75rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--dc-line);
}
.page-disclaimer .dc-table th {
  font-family: var(--font-display);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-disclaimer .dc-table td {
  color: var(--dc-text);
  line-height: 1.72;
}
.page-disclaimer .dc-table td:first-child {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--dc-text-soft);
  white-space: nowrap;
}
.page-disclaimer .dc-table td:nth-child(2) {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--amber);
  white-space: nowrap;
}
.page-disclaimer .dc-table tr:last-child td {
  border-bottom: 0;
}

/* ---------- 收束带 ---------- */
.page-disclaimer .dc-tail {
  padding: clamp(1.9rem, 5vw, 3rem) 0;
  background: var(--ink-3);
  border-top: 1px solid var(--dc-line);
  border-bottom: 2px solid rgba(217, 164, 65, .35);
}
.page-disclaimer .dc-tail p {
  margin: 0;
  max-width: 46em;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--dc-text-soft);
}
.page-disclaimer .dc-tail a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, .4);
  transition: color .28s var(--ease), border-color .28s var(--ease);
}
.page-disclaimer .dc-tail a:hover,
.page-disclaimer .dc-tail a:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

/* ---------- 断点 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .dc-hero-grid {
    grid-template-columns: 1.06fr .94fr;
    gap: clamp(2rem, 5vw, 3.75rem);
  }
  .page-disclaimer .dc-strip-inner {
    grid-template-columns: minmax(190px, 23%) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .dc-hero {
    padding-top: 3.25rem;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .dc-jump a {
    font-size: .76rem;
    padding: .38rem .74rem;
  }
  .page-disclaimer .dc-strip-h button {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}