/* ================= 使用协议页｜作用域 .page-disclaimer ================= */

.page-disclaimer {
  display: block;
}

.page-disclaimer .dsc-crumb {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dsc-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(1.75rem, 4vw, 2.5rem);
}

.page-disclaimer .dsc-hero .eyebrow {
  margin: 0 0 0.9rem;
}

.page-disclaimer .dsc-title {
  font-family: var(--font-head);
  font-size: clamp(2.125rem, 1.4rem + 3.4vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin: 0 0 1rem;
  color: var(--c-ink);
}

.page-disclaimer .dsc-lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.9;
  color: var(--ink-72);
}

.page-disclaimer .dsc-meta {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink-52);
}

.page-disclaimer .dsc-meta li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.page-disclaimer .dsc-meta li::before {
  content: "";
  flex: none;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--c-mint);
  transform: translateY(-0.28em);
}

.page-disclaimer .dsc-hero-art {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  background: linear-gradient(140deg, var(--c-night) 0%, #14352a 58%, #103026 100%);
}

.page-disclaimer .dsc-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
}

/* ---------- 渐变分轨 ---------- */
.page-disclaimer .dsc-rule {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-mint) 0%, var(--c-green) 34%, var(--c-yellow) 70%, var(--c-orange) 100%);
}

/* ---------- 协议目录 ---------- */
.page-disclaimer .dsc-toc-section {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-disclaimer .dsc-toc-section .eyebrow {
  margin: 0;
}

.page-disclaimer .dsc-toc {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-disclaimer .dsc-toc > li {
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.page-disclaimer .dsc-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.85rem 0.35rem;
  text-decoration: none;
  color: var(--c-ink);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-disclaimer .dsc-toc a::after {
  content: "";
  order: 3;
  flex: 1 1 1.5rem;
  border-bottom: 1px dotted var(--line);
  transform: translateY(-0.32em);
}

.page-disclaimer .dsc-toc a:hover,
.page-disclaimer .dsc-toc a:focus-visible {
  background: var(--c-mist);
  padding-left: 0.85rem;
}

.page-disclaimer .dsc-toc-num {
  flex: none;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-disclaimer .dsc-toc-txt {
  flex: 0 1 auto;
  min-width: 0;
}

/* ---------- 条款组 ---------- */
.page-disclaimer .dsc-term {
  padding-block: clamp(2.5rem, 6vw, 4.25rem);
}

.page-disclaimer .dsc-term--tint {
  background: var(--c-mist);
}

.page-disclaimer .dsc-term-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-disclaimer .dsc-term-num {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--c-green);
}

.page-disclaimer .dsc-term-num::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--c-green) 0%, rgba(0, 168, 107, 0) 100%);
}

.page-disclaimer .dsc-term-body {
  min-width: 0;
}

.page-disclaimer .dsc-term h2 {
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 1.15rem + 1vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 0 0 1.1rem;
  color: var(--c-ink);
}

.page-disclaimer .dsc-term .prose p {
  margin: 0 0 1.05em;
  color: var(--ink-72);
}

.page-disclaimer .dsc-term .prose p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dsc-term .prose ul {
  margin: 0 0 1.05em;
  padding-left: 1.2rem;
  color: var(--ink-72);
}

.page-disclaimer .dsc-term .prose li {
  margin-bottom: 0.5rem;
}

.page-disclaimer .dsc-term .prose li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dsc-term .prose li::marker {
  color: var(--c-green);
}

.page-disclaimer .dsc-term .prose a {
  color: var(--c-green-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.page-disclaimer .dsc-term .prose a:hover {
  color: var(--c-ink);
}

/* ---------- 细则展开 ---------- */
.page-disclaimer .dsc-more {
  margin-top: 1.75rem;
  border-left: 2px solid var(--c-mint);
  padding-left: 1rem;
}

.page-disclaimer .dsc-more summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-green-deep);
}

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

.page-disclaimer .dsc-more summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.18s var(--ease);
}

.page-disclaimer .dsc-more[open] summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .dsc-more summary:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-disclaimer .dsc-more .prose {
  margin-top: 0.85rem;
}

.page-disclaimer .dsc-more .prose p {
  color: var(--ink-52);
  font-size: 0.9375rem;
}

/* ---------- 收束卡片 ---------- */
.page-disclaimer .dsc-closing {
  background: linear-gradient(145deg, var(--c-night) 0%, #143328 62%, #0f2a21 100%);
  color: var(--c-white);
  padding: clamp(1.75rem, 4.5vw, 3rem);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-disclaimer .dsc-closing h2 {
  color: var(--c-white);
  margin-top: 0;
}

.page-disclaimer .dsc-closing .prose p {
  color: rgba(255, 255, 255, 0.78);
}

.page-disclaimer .dsc-closing .btn {
  margin-top: 1.6rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dsc-toc {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.75rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dsc-term-grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 2.75rem;
  }

  .page-disclaimer .dsc-term-num {
    padding-top: 0.45rem;
    align-items: flex-start;
  }

  .page-disclaimer .dsc-term-num::after {
    margin-top: 0.72em;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .dsc-lede {
    font-size: 1.125rem;
  }

  .page-disclaimer .dsc-meta {
    grid-template-columns: repeat(3, minmax(0, max-content));
    column-gap: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dsc-toc a,
  .page-disclaimer .dsc-more summary::before {
    transition: none;
  }
}
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