.page-disclaimer {
  --clause-rule: var(--line);
  --clause-gap: clamp(26px, 4vw, 48px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(15, 122, 67, .45), transparent 62%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 58%, var(--panel) 100%);
  color: var(--paper);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.page-disclaimer .usage-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  z-index: -1;
  max-width: none;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green) 0%, var(--lime) 42%, var(--orange) 100%);
  opacity: .85;
}

.page-disclaimer .usage-hero-inner {
  padding-top: clamp(34px, 6vw, 64px);
  padding-bottom: clamp(34px, 6vw, 68px);
}

.page-disclaimer .usage-hero .breadcrumb {
  color: rgba(244, 247, 242, .66);
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-disclaimer .usage-hero .breadcrumb a {
  color: rgba(244, 247, 242, .86);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 247, 242, .3);
}

.page-disclaimer .usage-hero .breadcrumb a:hover {
  border-bottom-color: var(--lime);
}

.page-disclaimer .usage-hero .eyebrow {
  color: var(--lime);
  letter-spacing: .16em;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.page-disclaimer h1 {
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-disclaimer .usage-lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.78;
  color: rgba(244, 247, 242, .84);
}

.page-disclaimer .usage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-disclaimer .usage-tags li {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(244, 247, 242, .28);
  background: rgba(244, 247, 242, .07);
  font-size: 13px;
  color: rgba(244, 247, 242, .9);
  white-space: nowrap;
}

.page-disclaimer .usage-tags li:last-child {
  border-color: var(--lime);
  color: var(--navy);
  background: var(--lime);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ---------- 顶部索引条 ---------- */
.page-disclaimer .usage-index {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 14px var(--pad-x);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-disclaimer .usage-index a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13.5px;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .usage-index a .idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--green);
  letter-spacing: .04em;
}

.page-disclaimer .usage-index a:hover,
.page-disclaimer .usage-index a:focus-visible {
  background: var(--green-soft);
  border-color: var(--green);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .usage-body {
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-disclaimer .clause {
  padding: clamp(24px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--clause-rule);
  scroll-margin-top: 90px;
}

.page-disclaimer .clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: .06em;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--lime);
  flex: 0 0 auto;
}

.page-disclaimer .clause h2 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .clause-main p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-disclaimer .clause-main a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .clause-main a:hover {
  color: var(--green-dark);
  text-decoration-color: var(--orange);
}

.page-disclaimer .clause-main strong {
  font-weight: 700;
  color: var(--navy);
  border-bottom: 2px solid var(--lime);
  padding-bottom: 1px;
}

.page-disclaimer .clause-more {
  margin: 18px 0 0;
  max-width: 40em;
  background: var(--paper-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-disclaimer .clause-more summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--navy);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .clause-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-disclaimer .clause-more[open] summary::before {
  content: "−";
}

.page-disclaimer .clause-more summary:hover {
  background: rgba(15, 122, 67, .07);
}

.page-disclaimer .clause-more-body {
  padding: 0 18px 16px;
  border-top: 1px dashed var(--line-strong);
  margin-top: 0;
}

.page-disclaimer .clause-more-body p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 34em;
}

/* ---------- 出口区 ---------- */
.page-disclaimer .usage-exit {
  background:
    linear-gradient(180deg, var(--paper-2) 0%, var(--green-soft) 100%);
  border-top: 1px solid var(--line);
  padding: clamp(34px, 5vw, 64px) 0 clamp(30px, 4vw, 52px);
}

.page-disclaimer .usage-exit h2 {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.32;
  color: var(--navy);
}

.page-disclaimer .exit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-disclaimer .exit-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid rgba(16, 32, 43, .12);
  text-decoration: none;
  color: var(--ink);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .exit-card:hover,
.page-disclaimer .exit-card:focus-visible {
  background: #fff;
  border-color: var(--green);
}

.page-disclaimer .exit-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-disclaimer .exit-t {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
}

.page-disclaimer .exit-d {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-2);
}

.page-disclaimer .usage-exit-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
  word-break: break-word;
}

/* ---------- 窄屏细节 ---------- */
.page-disclaimer .usage-hero-inner,
.page-disclaimer .usage-body,
.page-disclaimer .usage-exit .container {
  min-width: 0;
}

.page-disclaimer .clause-main {
  min-width: 0;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-index {
    gap: 12px;
  }

  .page-disclaimer .clause {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    grid-template-areas: "num head" ". main";
    column-gap: clamp(16px, 3vw, 36px);
  }

  .page-disclaimer .clause-head {
    grid-area: head;
    margin-bottom: 18px;
  }

  .page-disclaimer .clause-num {
    grid-area: num;
    justify-self: start;
  }

  .page-disclaimer .clause-main {
    grid-area: main;
  }

  .page-disclaimer .exit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .usage-index {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-disclaimer .clause-main p {
    font-size: 17px;
  }

  .page-disclaimer .exit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-index a,
  .page-disclaimer .exit-card {
    transition: none;
  }
}

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

  .page-disclaimer .usage-hero {
    background: #fff;
    color: #000;
    border-radius: 0;
  }

  .page-disclaimer .usage-hero-img,
  .page-disclaimer .usage-tags,
  .page-disclaimer .usage-index,
  .page-disclaimer .usage-exit {
    display: none;
  }

  .page-disclaimer h1,
  .page-disclaimer .clause h2,
  .page-disclaimer .clause-main p,
  .page-disclaimer .clause-more-body p {
    color: #000;
  }

  .page-disclaimer .usage-hero .breadcrumb,
  .page-disclaimer .usage-hero .eyebrow {
    color: #333;
  }

  .page-disclaimer .clause {
    break-inside: avoid;
    border-top: 1px solid #bbb;
  }

  .page-disclaimer .clause-more {
    border: 1px solid #bbb;
    background: #fff;
  }

  .page-disclaimer .clause-more[open] .clause-more-body,
  .page-disclaimer .clause-more .clause-more-body {
    display: block;
  }
}