.page-disclaimer {
  --u-line: rgba(230, 198, 107, 0.16);
  --u-body: rgba(246, 240, 223, 0.84);
  --u-soft: rgba(246, 240, 223, 0.72);
  display: block;
  overflow-x: clip;
  color: var(--cream);
  background:
    radial-gradient(90% 58% at 100% 0%, rgba(36, 20, 56, 0.85), rgba(36, 20, 56, 0) 62%),
    linear-gradient(180deg, #061b16 0%, #061b16 60%, #0a1f19 100%);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumb {
  padding-block: clamp(14px, 2vw, 20px) 0;
}

.page-disclaimer .crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-disclaimer .crumb__link {
  color: var(--mint);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .crumb__link:hover,
.page-disclaimer .crumb__link:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .crumb__sep {
  color: var(--gold-deep);
}

.page-disclaimer .crumb__current {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--u-line);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(230, 198, 107, 0.05) 0 1px,
    transparent 1px 14px
  );
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-disclaimer .usage-hero__text {
  min-width: 0;
}

.page-disclaimer .usage-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-disclaimer .usage-hero__kicker-cn {
  color: var(--gold);
  padding-right: 12px;
  border-right: 1px solid var(--gold-deep);
  letter-spacing: 0.28em;
}

.page-disclaimer .usage-hero__kicker-en {
  color: var(--mint);
  text-transform: uppercase;
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 7.4vw, 74px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.03em;
  color: var(--cream);
}

.page-disclaimer .usage-hero__lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--u-body);
}

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

/* ---------- 按钮（作用域内补足形状与焦点） ---------- */
.page-disclaimer .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px 2px 14px 2px;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
    color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .btn:hover {
  transform: translateY(-1px);
}

.page-disclaimer .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .btn--red {
  background: var(--red);
  color: #fff5f2;
  border-color: rgba(255, 255, 255, 0.14);
}

.page-disclaimer .btn--red:hover {
  background: #e35b4d;
}

.page-disclaimer .btn--ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(230, 198, 107, 0.45);
}

.page-disclaimer .btn--ghost:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(230, 198, 107, 0.08);
}

/* ---------- 首屏主视觉 ---------- */
.page-disclaimer .usage-hero__figure {
  margin: 0;
}

.page-disclaimer .usage-hero__figure .figure__media {
  position: relative;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  border: 1px solid rgba(230, 198, 107, 0.32);
  border-radius: 2px 2px 36px 2px;
  background: linear-gradient(160deg, #174536, #241438);
  box-shadow: var(--shadow-paper);
}

.page-disclaimer .usage-hero__figure .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .usage-hero__figure .figure__media::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: -12%;
  height: 42%;
  pointer-events: none;
  opacity: 0.34;
  transform: skewY(-7deg);
  mix-blend-mode: screen;
  background: linear-gradient(90deg, rgba(217, 74, 61, 0.75), rgba(91, 227, 216, 0.5));
}

.page-disclaimer .usage-hero__figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mint);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .usage-layout {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(30px, 5vw, 60px) clamp(42px, 7vw, 82px);
  align-items: start;
}

.page-disclaimer .usage-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-disclaimer .usage-sec {
  position: relative;
  padding-block: clamp(24px, 3.6vw, 38px) clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--u-line);
}

.page-disclaimer .usage-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .usage-sec__head {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  padding-top: 14px;
}

.page-disclaimer .usage-sec__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(54px, 14%, 112px);
  height: 3px;
  transform: skewX(-32deg);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--gold), var(--red));
}

.page-disclaimer .usage-sec__num {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(230, 198, 107, 0.42);
  border-radius: 2px 2px 8px 2px;
}

.page-disclaimer .usage-sec__title {
  margin: 0;
  font-size: clamp(20px, 2.9vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cream);
}

/* ---------- 正文 ---------- */
.page-disclaimer .prose p {
  max-width: 38em;
  margin: 0 0 16px;
  font-size: clamp(14.5px, 1.6vw, 16px);
  line-height: 1.82;
  color: var(--u-body);
}

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

.page-disclaimer .prose a,
.page-disclaimer .usage-links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .prose a:hover,
.page-disclaimer .prose a:focus-visible,
.page-disclaimer .usage-links a:hover,
.page-disclaimer .usage-links a:focus-visible {
  color: #c7fbf6;
}

.page-disclaimer .usage-list {
  display: grid;
  gap: 10px;
  max-width: 40em;
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 22px;
  font-size: clamp(14.5px, 1.6vw, 16px);
  line-height: 1.78;
  color: var(--u-body);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  opacity: 0.85;
  transform: rotate(45deg);
  background: var(--gold);
}

.page-disclaimer .usage-list strong {
  color: var(--gold);
  font-weight: 700;
}

.page-disclaimer .usage-note {
  position: relative;
  max-width: 40em;
  margin: 0 0 18px;
  padding: 14px 34px 14px 18px;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(246, 240, 223, 0.92);
  border-left: 3px solid var(--gold);
  border-radius: 0 2px 16px 0;
  background: linear-gradient(100deg, rgba(23, 69, 54, 0.85), rgba(13, 46, 36, 0.5));
}

.page-disclaimer .usage-note::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 6px;
  height: 6px;
  transform: rotate(45deg);
  background: var(--red);
}

.page-disclaimer .usage-links {
  max-width: 40em;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--u-soft);
}

.page-disclaimer .usage-meta {
  display: grid;
  gap: 10px;
  max-width: 40em;
  margin: 6px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(230, 198, 107, 0.18);
  border-radius: 3px 3px 20px 3px;
  background: rgba(13, 46, 36, 0.6);
}

.page-disclaimer .usage-meta > div {
  display: grid;
  grid-template-columns: 5.2em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-disclaimer .usage-meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-disclaimer .usage-meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--u-body);
  word-break: break-word;
}

/* ---------- 侧栏 ---------- */
.page-disclaimer .usage-aside {
  order: -1;
  display: grid;
  gap: 16px;
}

.page-disclaimer .usage-card {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid rgba(230, 198, 107, 0.18);
  border-radius: 3px 3px 22px 3px;
  background: linear-gradient(165deg, #0d2e24, #0a241c);
  box-shadow: var(--shadow-paper);
}

.page-disclaimer .usage-card--index {
  padding-bottom: 14px;
}

.page-disclaimer .usage-card__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
  border-bottom: 1px solid rgba(230, 198, 107, 0.16);
}

.page-disclaimer .usage-card__note {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--u-soft);
}

/* 索引 */
.page-disclaimer .rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-disclaimer .rail__list > li {
  flex: 0 0 auto;
}

.page-disclaimer .rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  font-size: 14px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--mint);
  text-decoration: none;
  border: 1px solid transparent;
  border-left: 2px solid rgba(230, 198, 107, 0.22);
  border-radius: 2px 2px 12px 2px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-disclaimer .rail__link:hover {
  color: var(--cream);
  background: rgba(23, 69, 54, 0.55);
}

.page-disclaimer .rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .rail__link.is-current {
  color: var(--gold);
  border-left-color: var(--red);
  background: rgba(230, 198, 107, 0.08);
}

.page-disclaimer .rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-disclaimer .rail__link.is-current .rail__num {
  color: var(--red);
}

/* 版本徽章 */
.page-disclaimer .usage-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 14px;
}

.page-disclaimer .usage-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
  border: 1px solid rgba(230, 198, 107, 0.4);
  border-radius: 2px 2px 9px 2px;
  background: rgba(6, 27, 22, 0.6);
}

.page-disclaimer .usage-badge--live {
  color: #ffe2dc;
  border-color: rgba(217, 74, 61, 0.7);
  background: rgba(217, 74, 61, 0.2);
}

.page-disclaimer .usage-ver {
  padding-top: 10px;
  border-top: 1px dashed rgba(230, 198, 107, 0.2);
}

.page-disclaimer .usage-ver > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .usage-ver > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-ver > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-disclaimer .usage-ver[open] > summary::after {
  content: "－";
}

.page-disclaimer .usage-ver > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-disclaimer .usage-mini {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 240, 223, 0.78);
}

.page-disclaimer .usage-mini li {
  position: relative;
  padding-left: 14px;
}

.page-disclaimer .usage-mini li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  transform: rotate(45deg);
  background: var(--gold-deep);
}

/* 客服卡 */
.page-disclaimer .usage-mail {
  display: block;
  margin-bottom: 12px;
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid rgba(91, 227, 216, 0.35);
  border-radius: 2px 2px 12px 2px;
  background: rgba(91, 227, 216, 0.06);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .usage-mail:hover {
  color: #c7fbf6;
  background: rgba(91, 227, 216, 0.14);
}

.page-disclaimer .usage-mail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .usage-card__btn {
  width: 100%;
}

/* ---------- 滚动显现 ---------- */
.page-disclaimer [data-reveal] {
  transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.js-reveal .page-disclaimer [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(18px);
}

/* ---------- 桌面 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .usage-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 940px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(0, 1fr) 318px;
  }

  .page-disclaimer .usage-aside {
    order: 0;
    position: sticky;
    top: 20px;
  }

  .page-disclaimer .rail__list {
    display: grid;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-disclaimer .rail__list > li {
    flex: 1 1 auto;
  }

  .page-disclaimer .rail__link {
    white-space: normal;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #fff !important;
    color: #000 !important;
  }

  .page-disclaimer .crumb,
  .page-disclaimer .usage-aside,
  .page-disclaimer .usage-hero__actions,
  .page-disclaimer .usage-hero__figure {
    display: none !important;
  }

  .page-disclaimer .usage-hero {
    padding: 0 0 12pt;
    border-bottom: 1pt solid #000;
  }

  .page-disclaimer .usage-hero::before {
    display: none !important;
  }

  .page-disclaimer h1 {
    font-size: 22pt;
    color: #000 !important;
  }

  .page-disclaimer .usage-hero__kicker,
  .page-disclaimer .usage-hero__lede,
  .page-disclaimer .prose p,
  .page-disclaimer .usage-list li,
  .page-disclaimer .usage-links,
  .page-disclaimer .usage-meta dd {
    color: #111 !important;
  }

  .page-disclaimer .usage-layout {
    display: block;
    padding-block: 12pt 0;
  }

  .page-disclaimer .usage-sec {
    border-top: 1pt solid #777;
    page-break-inside: avoid;
  }

  .page-disclaimer .usage-sec:first-child {
    border-top: 0;
  }

  .page-disclaimer .usage-sec__head::before {
    background: #000 !important;
  }

  .page-disclaimer .usage-sec__num,
  .page-disclaimer .usage-sec__title {
    color: #000 !important;
    border-color: #000 !important;
  }

  .page-disclaimer .usage-note {
    background: none !important;
    border-left: 2pt solid #000;
    color: #111 !important;
  }

  .page-disclaimer .usage-note::after {
    display: none !important;
  }

  .page-disclaimer .usage-meta {
    background: none !important;
    border: 1pt solid #000;
  }

  .page-disclaimer a {
    color: #000 !important;
    text-decoration: underline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    transition: none;
  }

  .js-reveal .page-disclaimer [data-reveal]:not(.is-visible) {
    opacity: 1;
    transform: none;
  }

  .page-disclaimer .btn:hover {
    transform: none;
  }
}

.page-disclaimer {
  --reveal-delay: 0.3s;
}