/* ===== 使用须知 / page-disclaimer ===== */

.page-disclaimer {
  --dc-edge: rgba(152, 163, 198, 0.26);
  --dc-edge-strong: rgba(152, 163, 198, 0.46);
  --dc-scan: rgba(34, 243, 228, 0.06);
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .dc-crumbs {
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.page-disclaimer .dc-crumbs .crumbs {
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 76px) 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(108, 76, 255, 0.3), transparent 62%),
    radial-gradient(90% 80% at 2% 8%, rgba(34, 243, 228, 0.14), transparent 64%),
    var(--ink-800);
}
.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(152, 163, 198, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 163, 198, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(72% 82% at 58% 18%, #000, transparent 76%);
  mask-image: radial-gradient(72% 82% at 58% 18%, #000, transparent 76%);
}
.page-disclaimer .dc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}
.page-disclaimer .dc-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-disclaimer .dc-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
}
.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(44px, 11vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--ice);
  text-shadow: 0 0 34px rgba(34, 243, 228, 0.18);
}
.page-disclaimer .dc-hero__intro {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.85;
  color: rgba(237, 242, 255, 0.88);
}
.page-disclaimer .dc-hero__acts,
.page-disclaimer .dc-outro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 条款目录 */
.page-disclaimer .dc-toc {
  border: 1px solid var(--dc-edge);
  background: linear-gradient(180deg, rgba(20, 26, 69, 0.88), rgba(10, 14, 42, 0.9));
  box-shadow: var(--shadow-card);
  padding: 18px 16px 14px;
}
.page-disclaimer .dc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-disclaimer .dc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}
.page-disclaimer .dc-toc__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--violet);
}
.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  background: rgba(34, 243, 228, 0.09);
  border-left-color: var(--amber);
}
.page-disclaimer .dc-toc__link[aria-current] {
  border-left-color: var(--cyan);
  background: rgba(34, 243, 228, 0.07);
  color: #ffffff;
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .dc-clause {
  scroll-margin-top: 130px;
  padding: clamp(42px, 7vw, 86px) 0;
  border-top: 1px solid var(--line);
}
.page-disclaimer .dc-clause--band {
  background:
    linear-gradient(180deg, rgba(20, 26, 69, 0.72), rgba(10, 14, 42, 0.16)),
    repeating-linear-gradient(90deg, var(--dc-scan) 0 1px, transparent 1px 96px);
}
.page-disclaimer .dc-clause__row {
  display: grid;
  gap: 22px;
}
.page-disclaimer .dc-clause__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  border: 1px solid rgba(108, 76, 255, 0.55);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--violet);
}
.page-disclaimer .dc-clause__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-disclaimer .dc-clause__body {
  min-width: 0;
}
.page-disclaimer .dc-clause__body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(237, 242, 255, 0.87);
}
.page-disclaimer .dc-clause__body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .dc-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 243, 228, 0.45);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.page-disclaimer .dc-clause__body a:hover,
.page-disclaimer .dc-clause__body a:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--amber);
}

/* 条款列表 */
.page-disclaimer .dc-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-disclaimer .dc-list li {
  position: relative;
  padding: 15px 16px 15px 36px;
  border: 1px solid var(--line);
  background: rgba(20, 26, 69, 0.5);
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(237, 242, 255, 0.86);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}
.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 23px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: rotate(45deg);
}
.page-disclaimer .dc-list li:nth-child(3n + 2)::before {
  background: var(--magenta);
  box-shadow: var(--glow-magenta);
}
.page-disclaimer .dc-list li:nth-child(3n + 3)::before {
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255, 176, 32, 0.34);
}
.page-disclaimer .dc-list li:hover {
  border-color: var(--dc-edge-strong);
  transform: translateY(-4px);
}

/* 信息图 */
.page-disclaimer .dc-fig {
  margin: 26px 0;
  padding: 10px 10px 0;
  border: 1px solid var(--dc-edge-strong);
  background: linear-gradient(180deg, rgba(20, 26, 69, 0.9), var(--ink-900));
  box-shadow: var(--shadow-card);
}
.page-disclaimer .dc-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-700);
}
.page-disclaimer .dc-fig__cap {
  margin: 0;
  padding: 11px 2px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* 标签图解 */
.page-disclaimer .dc-tagmap {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-disclaimer .dc-tagmap__item {
  border: 1px solid var(--line);
  background: rgba(10, 14, 42, 0.62);
  padding: 15px 16px;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}
.page-disclaimer .dc-tagmap__item:hover,
.page-disclaimer .dc-tagmap__item:focus-within {
  border-color: rgba(34, 243, 228, 0.6);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
}
.page-disclaimer .dc-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ice);
  padding: 4px 10px;
  border: 1px solid rgba(34, 243, 228, 0.5);
  background: rgba(34, 243, 228, 0.08);
}
.page-disclaimer .dc-chip--magenta {
  border-color: rgba(255, 46, 136, 0.55);
  background: rgba(255, 46, 136, 0.1);
}
.page-disclaimer .dc-chip--green {
  border-color: rgba(61, 220, 151, 0.55);
  background: rgba(61, 220, 151, 0.1);
}
.page-disclaimer .dc-chip--amber {
  border-color: rgba(255, 176, 32, 0.55);
  background: rgba(255, 176, 32, 0.1);
}
.page-disclaimer .dc-tagmap__tip {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* 重点提示 */
.page-disclaimer .dc-warn {
  margin: 20px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 46, 136, 0.3);
  border-left: 3px solid var(--magenta);
  background: linear-gradient(90deg, rgba(255, 46, 136, 0.14), rgba(255, 46, 136, 0.02));
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(237, 242, 255, 0.9);
}

/* 联络信息 */
.page-disclaimer .dc-contact__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-disclaimer .dc-contact__list li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(20, 26, 69, 0.5);
  font-size: 15.5px;
  line-height: 1.7;
}
.page-disclaimer .dc-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}
.page-disclaimer .dc-contact__v {
  min-width: 0;
  word-break: break-word;
  color: var(--ice);
}

/* ---------- 收束区 ---------- */
.page-disclaimer .dc-outro {
  scroll-margin-top: 130px;
  padding: clamp(40px, 6vw, 78px) 0 0;
  background:
    radial-gradient(110% 130% at 50% 0%, rgba(255, 46, 136, 0.16), transparent 62%),
    var(--ink-900);
  border-top: 1px solid var(--line);
}
.page-disclaimer .dc-outro__inner {
  display: grid;
  gap: 20px;
  padding-bottom: clamp(40px, 6vw, 72px);
}
.page-disclaimer .dc-outro__line {
  margin: 0;
  max-width: 48ch;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-disclaimer .dc-stream {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), var(--violet), transparent);
  background-size: 220% 100%;
  animation: dc-flow 9s linear infinite;
}
@keyframes dc-flow {
  from { background-position: 0% 50%; }
  to { background-position: 220% 50%; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dc-tagmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-hero__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(250px, 0.85fr);
    gap: 52px;
    align-items: end;
  }
  .page-disclaimer .dc-clause__row {
    grid-template-columns: minmax(210px, 300px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-disclaimer .dc-clause__key {
    position: sticky;
    top: 130px;
  }
  .page-disclaimer .dc-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (hover: hover) and (min-width: 700px) {
  .page-disclaimer .dc-tagmap__tip {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.28s ease, opacity 0.28s ease, margin-top 0.28s ease;
  }
  .page-disclaimer .dc-tagmap__item:hover .dc-tagmap__tip,
  .page-disclaimer .dc-tagmap__item:focus-within .dc-tagmap__tip {
    max-height: 220px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-list li,
  .page-disclaimer .dc-tagmap__item {
    transition: none;
  }
  .page-disclaimer .dc-list li:hover,
  .page-disclaimer .dc-tagmap__item:hover {
    transform: none;
  }
  .page-disclaimer .dc-stream {
    animation: none;
    background-size: 100% 100%;
  }
  .page-disclaimer .dc-tagmap__tip {
    transition: none;
  }
}
</style>