.page-disclaimer {
  --decl-measure: 44rem;
  --decl-cut: 18px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(44px, 7vw, 88px);
}

/* ---------- 页头 ---------- */
.page-disclaimer .decl-head {
  padding-top: clamp(22px, 4vw, 42px);
  max-width: var(--decl-measure);
}

.page-disclaimer .decl-head .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ink-45);
}

.page-disclaimer .decl-head .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: .4rem;
  color: var(--ink-45);
}

.page-disclaimer .decl-head .breadcrumb a {
  color: var(--ink-70);
  text-decoration: none;
}

.page-disclaimer .decl-head .breadcrumb a:hover {
  color: var(--lark);
}

.page-disclaimer .decl-kicker {
  display: inline-block;
  margin: clamp(20px, 3.4vw, 34px) 0 0;
  padding: .32rem .72rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--float);
  background: var(--lark);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 9px 100%);
}

.page-disclaimer .decl-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: .01em;
  margin: .55rem 0 .5rem;
}

.page-disclaimer .decl-lede {
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink-70);
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

.page-disclaimer .decl-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.6rem;
}

.page-disclaimer .decl-meta__item {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  padding-left: .65rem;
  border-left: 2px solid var(--lark);
  font-size: .84rem;
  line-height: 1.6;
  color: var(--ink-70);
}

.page-disclaimer .decl-meta__item .mono {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-45);
}

/* ---------- 顶部视觉 ---------- */
.page-disclaimer .decl-visual {
  margin: clamp(28px, 4.5vw, 52px) auto clamp(36px, 6vw, 68px);
}

.page-disclaimer .decl-visual__frame {
  position: relative;
  background: var(--velvet);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--decl-cut)) 0, 100% var(--decl-cut), 100% 100%, var(--decl-cut) 100%, 0 calc(100% - var(--decl-cut)));
}

.page-disclaimer .decl-visual__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

/* ---------- 双栏骨架 ---------- */
.page-disclaimer .decl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 44px);
}

.page-disclaimer .decl-body {
  max-width: var(--decl-measure);
  min-width: 0;
}

/* ---------- 目录锚点条 ---------- */
.page-disclaimer .decl-side {
  order: -1;
  border-bottom: 1px solid var(--line);
  padding-bottom: .8rem;
}

.page-disclaimer .decl-side__label {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--ink-45);
}

.page-disclaimer .decl-side__list {
  display: flex;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0 0 .25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .decl-side__item {
  flex: none;
}

.page-disclaimer .decl-side__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .78rem;
  font-size: .82rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink);
  background: var(--float);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 8px 100%);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .decl-side__num {
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--lark);
}

.page-disclaimer .decl-side__link.is-active,
.page-disclaimer .decl-side__link[aria-current="true"] {
  color: var(--float);
  background: var(--velvet);
}

.page-disclaimer .decl-side__link.is-active .decl-side__num,
.page-disclaimer .decl-side__link[aria-current="true"] .decl-side__num {
  color: var(--yellow);
}

/* ---------- 章节 ---------- */
.page-disclaimer .decl-sec {
  position: relative;
  margin-top: clamp(28px, 4.6vw, 46px);
  padding-top: clamp(28px, 4.6vw, 46px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 36px);
}

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

.page-disclaimer .decl-sec + .decl-sec::before {
  content: "";
  position: absolute;
  left: 0;
  top: -2px;
  width: 84px;
  height: 4px;
  background: var(--ember);
  clip-path: polygon(0 70%, 100% 0, 100% 45%, 0 100%);
}

.page-disclaimer .decl-sec__head {
  display: flex;
  align-items: center;
  gap: clamp(.7rem, 2vw, 1rem);
  margin: 0 0 clamp(14px, 2.4vw, 22px);
}

.page-disclaimer .decl-sec:first-child .decl-sec__head {
  padding: clamp(.9rem, 2.4vw, 1.3rem) clamp(1rem, 2.8vw, 1.6rem);
  background: var(--float);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-disclaimer .decl-sec__num {
  flex: none;
  padding: .2rem .56rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--float);
  background: var(--lark);
  clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 7px 100%);
}

.page-disclaimer .decl-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.4vw, 1.68rem);
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-disclaimer .decl-sec__body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .decl-sec__body p {
  margin: 0 0 1em;
}

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

.page-disclaimer .prose a,
.page-disclaimer .decl-contact a,
.page-disclaimer .decl-fold__body a,
.page-disclaimer .decl-access__desc a {
  color: var(--lark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 01 使用范围清单 ---------- */
.page-disclaimer .decl-scope {
  list-style: none;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-disclaimer .decl-scope__row {
  display: grid;
  gap: .3rem .95rem;
  padding: .85rem 1rem;
  background: var(--float);
  border-left: 3px solid var(--lark);
  font-size: .94rem;
  line-height: 1.72;
}

.page-disclaimer .decl-scope__row--ask {
  border-left-color: var(--ember);
}

.page-disclaimer .decl-scope__mark {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--lark);
}

.page-disclaimer .decl-scope__row--ask .decl-scope__mark {
  color: var(--ember);
}

.page-disclaimer .decl-scope__text {
  margin: 0;
  color: var(--ink-70);
}

/* ---------- 02 深色引用面板 ---------- */
.page-disclaimer .decl-velvet {
  background: var(--velvet);
  color: var(--paper);
  padding: clamp(20px, 3.6vw, 34px) clamp(18px, 3.4vw, 34px);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-disclaimer .decl-velvet__lead {
  margin: 0 0 1.15rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .decl-cite {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .72rem;
}

.page-disclaimer .decl-cite li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--paper-70);
}

.page-disclaimer .decl-cite li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 13px;
  height: 2px;
  background: var(--yellow);
}

.page-disclaimer .decl-velvet__note {
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-paper);
  font-size: .88rem;
  line-height: 1.78;
  color: var(--paper-70);
}

.page-disclaimer .decl-velvet a {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 访问须知 ---------- */
.page-disclaimer .decl-access {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .decl-access__row {
  display: grid;
  gap: .25rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .decl-access__term {
  position: relative;
  padding-top: .22em;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--velvet);
}

.page-disclaimer .decl-access__term::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: .5rem;
  background: var(--yellow);
  vertical-align: middle;
  transform: translateY(-1px);
}

.page-disclaimer .decl-access__desc {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 05 折叠与联系 ---------- */
.page-disclaimer .decl-fold {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  background: var(--float);
  border: 1px solid var(--line);
  border-left: 4px solid var(--yellow);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-disclaimer .decl-fold__summary {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem clamp(1rem, 2.6vw, 1.4rem);
  font-size: .96rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .decl-fold__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .decl-fold__summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--ember);
}

.page-disclaimer .decl-fold[open] .decl-fold__summary::before {
  content: "–";
}

.page-disclaimer .decl-fold__body {
  padding: .9rem clamp(1rem, 2.6vw, 1.4rem) clamp(1rem, 2.6vw, 1.4rem);
  border-top: 1px solid var(--line-soft);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-disclaimer .decl-fold__body p {
  margin: 0 0 .7em;
}

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

.page-disclaimer .decl-contact {
  margin-top: clamp(16px, 2.6vw, 24px);
  padding: clamp(16px, 2.6vw, 22px) clamp(1rem, 2.6vw, 1.4rem);
  background: var(--mist);
  color: var(--velvet);
  font-size: .95rem;
  line-height: 1.85;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-disclaimer .decl-contact p {
  margin: 0;
}

.page-disclaimer .decl-contact a {
  color: var(--velvet);
  font-weight: 600;
}

.page-disclaimer .decl-top {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .decl-access__row {
    grid-template-columns: 10.5rem minmax(0, 1fr);
    gap: 0 1.5rem;
    padding: 1.05rem 0;
  }

  .page-disclaimer .decl-scope__row {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .decl-layout {
    grid-template-columns: minmax(0, var(--decl-measure)) minmax(0, 1fr);
    column-gap: clamp(48px, 7vw, 96px);
    align-items: start;
  }

  .page-disclaimer .decl-side {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 32px);
    justify-self: end;
    width: 15rem;
    margin-bottom: 0;
    padding: .25rem 0 .25rem 1.25rem;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .decl-side__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .decl-side__item + .decl-side__item {
    margin-top: .12rem;
  }

  .page-disclaimer .decl-side__link {
    display: flex;
    width: 100%;
    padding: .45rem 0;
    border: 0;
    background: transparent;
    clip-path: none;
    color: var(--ink-70);
    transition: color .2s var(--ease), transform .2s var(--ease);
  }

  .page-disclaimer .decl-side__link:hover {
    color: var(--lark);
    transform: translateX(3px);
  }

  .page-disclaimer .decl-side__link.is-active,
  .page-disclaimer .decl-side__link[aria-current="true"] {
    color: var(--lark);
    background: transparent;
  }

  .page-disclaimer .decl-side__link.is-active .decl-side__num,
  .page-disclaimer .decl-side__link[aria-current="true"] .decl-side__num {
    color: var(--ember);
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .decl-sec {
    scroll-margin-top: calc(var(--header-h) + 64px);
  }
}