.page-disclaimer {
  --disc-gap: clamp(56px, 9vw, 112px);
  --disc-rule: 1px solid var(--line);
  position: relative;
  padding-bottom: 40px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding: 36px 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -30%;
  height: 420px;
  background: radial-gradient(60% 60% at 25% 30%, rgba(123, 201, 111, .16), transparent 70%),
              radial-gradient(50% 50% at 78% 20%, rgba(46, 58, 102, .45), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .disc-hero .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
  margin-top: 26px;
}

.page-disclaimer .disc-hero-text h1 {
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
  margin: 14px 0 18px;
  max-width: 16em;
}

.page-disclaimer .disc-hero-text .lead {
  color: var(--muted);
  max-width: 36em;
}

.page-disclaimer .disc-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 26px;
}

.page-disclaimer .disc-hero-note {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .01em;
}

.page-disclaimer .disc-hero-note b {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--autumn);
  margin: 0 2px;
}

.page-disclaimer .disc-hero-media {
  margin: 0;
}

.page-disclaimer .disc-hero-media .media-frame {
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  background: var(--ink-2);
}

.page-disclaimer .disc-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .disc-hero-media .grain {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 237, 242, .08) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.page-disclaimer .disc-branch {
  display: block;
  height: 1px;
  margin-top: clamp(32px, 5vw, 56px);
  background: linear-gradient(90deg, var(--spring), var(--summer) 45%, transparent 92%);
  opacity: .55;
}

/* ---------- 目录 ---------- */
.page-disclaimer .disc-toc {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(10px);
  border-top: var(--disc-rule);
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .disc-toc-list::-webkit-scrollbar { display: none; }

.page-disclaimer .disc-toc-list li { flex: 0 0 auto; }

.page-disclaimer .disc-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .3s var(--ease), color .3s var(--ease), background-color .3s var(--ease);
}

.page-disclaimer .disc-toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--summer);
}

.page-disclaimer .disc-toc-list a:hover,
.page-disclaimer .disc-toc-list a:focus-visible {
  border-color: var(--summer);
  color: var(--pure);
  background: rgba(43, 179, 192, .12);
  outline: none;
}

/* ---------- 章节 ---------- */
.page-disclaimer .disc-section {
  padding: var(--disc-gap) 0;
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-section--last {
  border-bottom: none;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-disclaimer .disc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-disclaimer .disc-head {
  position: relative;
  padding-left: 0;
}

.page-disclaimer .disc-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--autumn);
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .disc-num::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--autumn), transparent);
}

.page-disclaimer .disc-head .section-title {
  margin: 0 0 10px;
  font-size: clamp(23px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-disclaimer .disc-sub {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 30em;
}

/* ---------- 条目清单 ---------- */
.page-disclaimer .disc-body {
  min-width: 0;
}

.page-disclaimer .disc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding: 16px 0 16px 30px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
  border-top: var(--disc-rule);
  text-indent: 0;
}

.page-disclaimer .disc-list li:last-child {
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.62em;
  width: 14px;
  height: 1px;
  background: var(--summer);
  opacity: .8;
}

.page-disclaimer .disc-list li:hover::before {
  background: var(--spring);
}

.page-disclaimer .disc-list li b {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--autumn);
  padding: 0 2px;
}

.page-disclaimer .disc-list a {
  color: var(--summer);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 179, 192, .35);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-disclaimer .disc-list a:hover,
.page-disclaimer .disc-list a:focus-visible {
  color: var(--spring);
  border-bottom-color: var(--spring);
  outline: none;
}

/* ---------- 联系方式块 ---------- */
.page-disclaimer .disc-contact {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  display: grid;
  gap: 14px;
}

.page-disclaimer .disc-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-disclaimer .disc-contact-key {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
  min-width: 68px;
}

.page-disclaimer .disc-contact-val {
  font-size: 15px;
  color: var(--mist);
}

.page-disclaimer .disc-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(123, 201, 111, .4);
  background: rgba(123, 201, 111, .1);
  color: var(--spring);
  font-size: 15px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-disclaimer .disc-contact .copy-btn:hover,
.page-disclaimer .disc-contact .copy-btn:focus-visible {
  border-color: var(--spring);
  background: rgba(123, 201, 111, .18);
  outline: none;
}

.page-disclaimer .disc-contact .copy-hint {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-disclaimer .disc-contact .copy-btn.is-copied .copy-hint {
  color: var(--spring);
}

/* ---------- 页尾细线 ---------- */
.page-disclaimer .disc-tail {
  padding-top: 8px;
}

.page-disclaimer .disc-tail-rule {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--spring), var(--summer) 35%, var(--autumn) 70%, var(--winter-lit));
  opacity: .7;
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-disclaimer .disc-hero {
    padding-top: 48px;
  }

  .page-disclaimer .disc-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-disclaimer .disc-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-disclaimer .disc-head {
    position: sticky;
    top: 84px;
    align-self: start;
  }

  .page-disclaimer .disc-list li {
    padding-left: 38px;
  }

  .page-disclaimer .disc-list li::before {
    width: 20px;
  }

  .page-disclaimer .disc-contact {
    grid-template-columns: minmax(0, 1fr);
    padding: 24px 28px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-hero-text h1 {
    max-width: 14em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc-list a,
  .page-disclaimer .disc-list a,
  .page-disclaimer .disc-contact .copy-btn {
    transition: none;
  }
}
</style>