/* ===== 网站声明页 · 作用域 page-disclaimer ===== */
.page-disclaimer {
  --decl-body: #3B4859;
  --decl-muted: #6B7789;
  --decl-hover-bg: #FBF3E6;
  color: var(--ink);
  padding-bottom: 0.5rem;
}

.page-disclaimer a:focus-visible,
.page-disclaimer [tabindex]:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .decl-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  font-size: 0.8125rem;
}

.page-disclaimer .decl-crumbs .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  color: var(--decl-muted);
}

.page-disclaimer .decl-crumbs .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin: 0 0.5rem;
  color: var(--rule);
}

.page-disclaimer .decl-crumbs .breadcrumbs__link {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .decl-crumbs .breadcrumbs__link:hover,
.page-disclaimer .decl-crumbs .breadcrumbs__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .decl-hero {
  position: relative;
  margin-top: 1.5rem;
  padding: 2.25rem 1.25rem 2.5rem;
  background: var(--ink);
  color: var(--on-ink-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-disclaimer .decl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245, 240, 230, 0.055) 1px, transparent 1.4px);
  background-size: 5px 5px;
  pointer-events: none;
}

.page-disclaimer .decl-hero::after {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.22), transparent 68%);
  pointer-events: none;
}

.page-disclaimer .decl-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  gap: 1.75rem;
}

.page-disclaimer .decl-hero__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
}

.page-disclaimer .decl-hero__stamp-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.28rem 0.62rem;
  border: 1px solid rgba(245, 240, 230, 0.28);
  border-radius: var(--radius-pill);
  color: var(--on-ink-soft);
}

.page-disclaimer .decl-hero__stamp .tag--live {
  background: rgba(63, 125, 91, 0.24);
  color: #A8D8BC;
  border-color: rgba(63, 125, 91, 0.55);
}

.page-disclaimer .decl-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5.4vw, 2.85rem);
  line-height: 1.24;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
  color: var(--on-ink-strong);
}

.page-disclaimer .decl-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--on-ink-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.page-disclaimer .decl-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-disclaimer .decl-hero__media .media__caption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--on-ink-faint);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .decl-jump {
  max-width: var(--shell);
  margin: 2.75rem auto 0;
  padding: 0 1.25rem;
}

.page-disclaimer .decl-jump__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 0.9rem;
}

.page-disclaimer .decl-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-disclaimer .decl-jump__link {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  height: 100%;
  padding: 0.8rem 0.95rem;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-disclaimer .decl-jump__link:hover,
.page-disclaimer .decl-jump__link:focus-visible {
  border-color: var(--signal);
  background: var(--decl-hover-bg);
  transform: translateY(-3px);
  box-shadow: 0 8px 18px -12px rgba(15, 27, 45, 0.45);
}

.page-disclaimer .decl-jump__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--signal);
}

.page-disclaimer .decl-jump__name {
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ---------- 章节 ---------- */
.page-disclaimer .decl-section {
  max-width: var(--shell);
  margin: 3rem auto 0;
  padding: 2.1rem 1.25rem 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 7rem;
}

.page-disclaimer .decl-section__head {
  margin: 0 0 1.1rem;
}

.page-disclaimer .decl-section__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--archive);
  opacity: 0.42;
  margin-bottom: 0.5rem;
}

.page-disclaimer .decl-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.6vw, 1.45rem);
  line-height: 1.45;
  margin: 0;
  color: var(--ink);
}

.page-disclaimer .decl-section__body {
  max-width: 66ch;
}

.page-disclaimer .decl-section__body p {
  margin: 0 0 1.05rem;
  font-size: 0.975rem;
  line-height: 1.9;
  color: var(--decl-body);
}

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

.page-disclaimer .decl-section__body a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .decl-section__body a:hover,
.page-disclaimer .decl-section__body a:focus-visible {
  color: var(--ink);
}

/* ---------- 要点卡 ---------- */
.page-disclaimer .decl-points {
  list-style: none;
  margin: 1.35rem 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .decl-point {
  padding: 0.95rem 1.05rem;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-left-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-disclaimer .decl-point:hover {
  border-left-color: var(--signal);
  background: var(--decl-hover-bg);
}

.page-disclaimer .decl-point__title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--archive);
  margin-bottom: 0.35rem;
}

.page-disclaimer .decl-point__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--decl-body);
}

/* ---------- 行内提示 ---------- */
.page-disclaimer .decl-inline-link {
  padding: 0.85rem 1rem;
  background: var(--paper-deep);
  border-radius: var(--radius-md);
  font-size: 0.925rem;
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .decl-contact {
  list-style: none;
  margin: 1.35rem 0;
  padding: 1.15rem 1.25rem;
  display: grid;
  gap: 0.85rem;
  background: var(--ink-soft);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--signal);
}

.page-disclaimer .decl-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.9rem;
}

.page-disclaimer .decl-contact__key {
  flex: none;
  min-width: 5.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--on-ink-faint);
}

.page-disclaimer .decl-contact__val {
  font-family: var(--font-mono);
  font-size: 0.93rem;
  color: var(--on-ink-strong);
  overflow-wrap: anywhere;
}

/* ---------- 返回页首 ---------- */
.page-disclaimer .decl-top {
  max-width: var(--shell);
  margin: 3.25rem auto 2.5rem;
  padding: 1.25rem 1.25rem 0;
  border-top: 1px solid var(--rule);
  text-align: right;
}

.page-disclaimer .decl-top__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.page-disclaimer .decl-top__link:hover,
.page-disclaimer .decl-top__link:focus-visible {
  border-color: var(--signal);
  background: var(--decl-hover-bg);
  transform: translateY(-2px);
}

/* ---------- 显现协议兜底 ---------- */
.page-disclaimer [data-reveal] {
  opacity: 1;
}

.has-js .page-disclaimer [data-reveal]:not(.is-visible) {
  opacity: 0.55;
}

.has-js .page-disclaimer [data-reveal].is-visible {
  opacity: 1;
  transition: opacity 220ms var(--ease);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .decl-jump__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .decl-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .page-disclaimer .decl-hero {
    padding: 2.75rem 2rem 3rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 920px) {
  .page-disclaimer .decl-hero {
    margin-top: 2rem;
    padding: 3.25rem 2.5rem 3.5rem;
  }

  .page-disclaimer .decl-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
  }

  .page-disclaimer .decl-jump {
    margin-top: 3.25rem;
  }

  .page-disclaimer .decl-section {
    display: grid;
    grid-template-columns: minmax(170px, 230px) minmax(0, 1fr);
    gap: 2.75rem;
    margin-top: 3.75rem;
    padding-top: 2.75rem;
  }

  .page-disclaimer .decl-section__head {
    margin-bottom: 0;
  }

  .page-disclaimer .decl-jump__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-disclaimer .decl-jump__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .decl-section__index {
    font-size: 1.85rem;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition: none !important;
    animation: none !important;
  }

  .page-disclaimer [data-reveal] {
    opacity: 1 !important;
  }
}