/* ===== 使用说明页 · page-disclaimer ===== */
.page-disclaimer {
  --dc-line: #D2DDD7;
  --dc-line-soft: #E3EBE6;
  --dc-body: #3A4A45;
  --dc-muted: var(--ok-slate);

  background: var(--ok-mist);
  color: var(--ok-ink);
  font-family: var(--ok-font-display);
  padding-bottom: clamp(56px, 9vw, 104px);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #F3F7F4 0%, var(--ok-mist) 92%);
  border-bottom: 1px solid var(--dc-line);
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(30px, 4.6vw, 58px);
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 340px;
  height: 340px;
  background: repeating-linear-gradient(115deg, rgba(11, 43, 38, .055) 0 1px, transparent 1px 15px);
  pointer-events: none;
}

.page-disclaimer .dc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-disclaimer .ok-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--ok-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--dc-muted);
}

.page-disclaimer .ok-crumb a {
  color: var(--dc-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .2s var(--ok-ease), border-color .2s var(--ok-ease);
}

.page-disclaimer .ok-crumb a:hover {
  color: var(--ok-deep);
  border-bottom-color: var(--ok-lime);
}

.page-disclaimer .ok-crumb [aria-current="page"] {
  color: var(--ok-ink);
  font-weight: 600;
}

.page-disclaimer .ok-crumb__sep {
  opacity: .55;
}

.page-disclaimer .dc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--ok-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ok-deep);
}

.page-disclaimer .dc-kicker::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--ok-lime);
  border-radius: 2px;
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  max-width: 20em;
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ok-deep);
}

.page-disclaimer .dc-lead {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: var(--dc-body);
}

/* 概况面板 */
.page-disclaimer .dc-hero__side {
  position: relative;
  background: var(--ok-white);
  border: 1px solid var(--dc-line);
  padding: 18px 20px 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-disclaimer .dc-hero__side-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--ok-font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--dc-muted);
}

.page-disclaimer .dc-hero__side-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--dc-line);
}

.page-disclaimer .dc-stats {
  margin: 0;
  display: grid;
}

.page-disclaimer .dc-stats__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--dc-line-soft);
}

.page-disclaimer .dc-stats__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .dc-stats dt {
  font-size: 13.5px;
  color: var(--dc-muted);
}

.page-disclaimer .dc-stats dd {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ok-deep);
}

/* ---------- 视觉带 ---------- */
.page-disclaimer .dc-figure {
  margin: 0;
  width: 100%;
  background: var(--ok-char);
}

.page-disclaimer .dc-figure__media {
  width: 100%;
  max-height: 380px;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

/* ---------- 文档布局 ---------- */
.page-disclaimer .dc-doc {
  padding: clamp(30px, 5vw, 62px) 0 0;
}

.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 30px);
}

/* 目录 */
.page-disclaimer .dc-toc {
  background: var(--ok-white);
  border: 1px solid var(--dc-line);
  padding: 16px 18px 18px;
}

.page-disclaimer .dc-toc__title {
  margin: 0 0 12px;
  font-family: var(--ok-font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--dc-muted);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px;
  font-size: 13.5px;
  color: var(--dc-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .2s var(--ok-ease), background-color .2s var(--ok-ease), border-color .2s var(--ok-ease);
}

.page-disclaimer .dc-toc__list a .ok-mono {
  flex: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--dc-muted);
  transition: color .2s var(--ok-ease);
}

.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  color: var(--ok-deep);
  background: var(--ok-lime-soft);
  border-left-color: var(--ok-lime);
}

.page-disclaimer .dc-toc__list a:hover .ok-mono,
.page-disclaimer .dc-toc__list a:focus-visible .ok-mono {
  color: var(--ok-deep);
}

.page-disclaimer .dc-toc__list a:focus-visible {
  outline: 2px solid var(--ok-lime);
  outline-offset: -2px;
}

/* 条款区 */
.page-disclaimer .dc-clauses {
  min-width: 0;
}

.page-disclaimer .dc-clause {
  background: var(--ok-white);
  border: 1px solid var(--dc-line);
  margin-bottom: 14px;
  scroll-margin-top: 100px;
  transition: border-color .22s var(--ok-ease), box-shadow .22s var(--ok-ease);
}

.page-disclaimer .dc-clause:hover {
  border-color: #B7C8BF;
  box-shadow: 0 8px 20px -16px rgba(11, 43, 38, .55);
}

.page-disclaimer .dc-clause__title {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-disclaimer .dc-clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px clamp(15px, 2.4vw, 24px);
  background: transparent;
  border: 0;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.page-disclaimer .dc-clause__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 28px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ok-deep);
  background: var(--ok-lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-disclaimer .dc-clause__label {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ok-deep);
}

.page-disclaimer .dc-clause__caret {
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--dc-muted);
  border-bottom: 2px solid var(--dc-muted);
  transform: rotate(45deg);
  transition: transform .24s var(--ok-ease), border-color .24s var(--ok-ease);
}

.page-disclaimer .dc-clause__head[aria-expanded="false"] .dc-clause__caret {
  transform: rotate(-45deg);
}

.page-disclaimer .dc-clause__head:hover .dc-clause__caret,
.page-disclaimer .dc-clause__head:focus-visible .dc-clause__caret {
  border-color: var(--ok-deep);
}

.page-disclaimer .dc-clause__head:focus-visible {
  outline: 2px solid var(--ok-lime);
  outline-offset: -3px;
}

.page-disclaimer .dc-clause__body {
  display: none;
  padding: 16px clamp(15px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--dc-line-soft);
}

.page-disclaimer .dc-clause__body[data-open] {
  display: block;
}

.page-disclaimer .dc-clause__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dc-body);
}

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

.page-disclaimer .dc-clause__body strong {
  color: var(--ok-deep);
  font-weight: 700;
}

.page-disclaimer .dc-clause__body a {
  color: var(--ok-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1.5px solid var(--ok-lime);
  padding-bottom: 1px;
  transition: background-color .2s var(--ok-ease);
}

.page-disclaimer .dc-clause__body a:hover {
  background: var(--ok-lime-soft);
}

.page-disclaimer .dc-clause__body .dc-note {
  margin: 0 0 14px;
  padding: 12px 16px 12px 18px;
  background: var(--ok-lime-soft);
  border-left: 3px solid var(--ok-lime);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.78;
  color: var(--ok-deep);
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-disclaimer .dc-clause__body .dc-list:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dc-body);
}

.page-disclaimer .dc-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--ok-lime);
  border-radius: 1px;
}

.page-disclaimer .dc-list strong {
  color: var(--ok-deep);
  font-weight: 700;
}

/* 联系方式 */
.page-disclaimer .dc-contact {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  border-top: 1px solid var(--dc-line-soft);
}

.page-disclaimer .dc-clause__body .dc-contact:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--dc-line-soft);
}

.page-disclaimer .dc-contact__k {
  flex: none;
  width: 78px;
  font-size: 13px;
  color: var(--dc-muted);
}

.page-disclaimer .dc-contact__v {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ok-deep);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .dc-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(276px, .8fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .dc-toc__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .dc-clause__head {
    gap: 11px;
  }

  .page-disclaimer .dc-contact__k {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-clause__caret,
  .page-disclaimer .dc-clause__body a,
  .page-disclaimer .dc-toc__list a {
    transition: none;
  }
}
<<<END>>>