/* ===== 页面：访问说明 /instructions/ ===== */
.page-disclaimer {
  --disc-rule: 1px solid rgba(74, 84, 116, 0.24);
  --disc-soft: rgba(91, 140, 255, 0.14);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---- 首屏拼贴 ---- */
.page-disclaimer .disc-hero {
  padding-top: clamp(14px, 2.2vw, 28px);
}
.page-disclaimer .disc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: end;
  padding-bottom: clamp(22px, 3.2vw, 40px);
}
.page-disclaimer .disc-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 18ch;
}
.page-disclaimer .disc-hero__copy .lede {
  margin-top: 18px;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--graphite);
}
.page-disclaimer .disc-hero__badge {
  display: grid;
  gap: 4px;
  justify-items: start;
  padding: 18px 22px 20px;
  background: var(--ink);
  border: var(--line);
  border-color: var(--ink);
  box-shadow: 6px 6px 0 var(--blue-soft);
  transform: rotate(-1.4deg);
  justify-self: start;
}
.page-disclaimer .disc-hero__badge-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-disclaimer .disc-hero__badge-v {
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 58px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}
.page-disclaimer .disc-hero__badge-u {
  font-size: 0.42em;
  margin-left: 2px;
  color: var(--blue-soft);
}
.page-disclaimer .disc-hero__badge-n {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}
.page-disclaimer .disc-hero__figure {
  margin: 0;
  border: var(--line);
  box-shadow: var(--hard);
  overflow: hidden;
  background: var(--mist);
}
.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ---- 阅读版式：单栏正文 + 右侧注释 ---- */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(40px, 6vw, 84px);
}
.page-disclaimer .disc-main {
  min-width: 0;
}

/* ---- 条款 ---- */
.page-disclaimer .disc-clause {
  padding-block: clamp(26px, 3.6vw, 42px);
  border-top: var(--disc-rule);
  scroll-margin-top: 108px;
}
.page-disclaimer .disc-clause:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-disclaimer .disc-clause--last {
  border-bottom: var(--disc-rule);
}
.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.page-disclaimer .disc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--blue);
  padding: 4px 7px 3px;
  margin-top: 2px;
}
.page-disclaimer .disc-clause__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.34;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-disclaimer .disc-clause__body {
  max-width: 72ch;
}
.page-disclaimer .disc-clause__body p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-disclaimer .disc-clause__body p + p,
.page-disclaimer .disc-clause__body p + .disc-pulse,
.page-disclaimer .disc-clause__body .disc-pulse + p,
.page-disclaimer .disc-clause__body .disc-callout + p,
.page-disclaimer .disc-clause__body .disc-license + p,
.page-disclaimer .disc-clause__body .disc-contact + p {
  margin-top: 16px;
}
.page-disclaimer .disc-clause__body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .disc-clause__body a:hover,
.page-disclaimer .disc-clause__body a:focus-visible {
  color: var(--orange);
}

/* ---- 重点提示块 ---- */
.page-disclaimer .disc-callout {
  margin-top: 16px;
  padding: 16px 18px;
  background: var(--mist);
  border-left: 4px solid var(--orange);
}
.page-disclaimer .disc-callout p {
  font-weight: 600;
  color: var(--ink);
}

/* ---- 数据时效脉冲刻度 ---- */
.page-disclaimer .disc-pulse {
  margin-top: 18px;
  padding: 14px 16px 12px;
  border: var(--line);
  background: var(--white);
  box-shadow: var(--hard-sm);
}
.page-disclaimer .disc-pulse__track {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 36px;
}
.page-disclaimer .disc-pulse__track span {
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  background: linear-gradient(180deg, var(--blue-soft), var(--blue));
  transform-origin: bottom center;
  transform: scaleY(0.42);
  opacity: 0.34;
  animation: disc-tick 6s var(--ease) infinite;
}
.page-disclaimer .disc-pulse__track span:nth-child(1) { animation-delay: 0.0s; }
.page-disclaimer .disc-pulse__track span:nth-child(2) { animation-delay: 0.6s; }
.page-disclaimer .disc-pulse__track span:nth-child(3) { animation-delay: 1.2s; }
.page-disclaimer .disc-pulse__track span:nth-child(4) { animation-delay: 1.8s; }
.page-disclaimer .disc-pulse__track span:nth-child(5) { animation-delay: 2.4s; }
.page-disclaimer .disc-pulse__track span:nth-child(6) { animation-delay: 3.0s; }
.page-disclaimer .disc-pulse__track span:nth-child(7) { animation-delay: 3.6s; }
.page-disclaimer .disc-pulse__track span:nth-child(8) { animation-delay: 4.2s; }
.page-disclaimer .disc-pulse__track span:nth-child(9) { animation-delay: 4.8s; }
.page-disclaimer .disc-pulse__track span:nth-child(10) { animation-delay: 5.4s; }
.page-disclaimer .disc-pulse__track span:nth-child(odd) {
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}
.page-disclaimer .disc-pulse__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--graphite);
}
@keyframes disc-tick {
  0%, 90%, 100% { transform: scaleY(0.42); opacity: 0.34; }
  4% { transform: scaleY(1); opacity: 1; }
}

/* ---- 版权与转载 ---- */
.page-disclaimer .disc-license {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-disclaimer .disc-license__item {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: var(--line);
  background: var(--white);
  box-shadow: var(--hard-sm);
}
.page-disclaimer .disc-license__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--blue);
  padding: 3px 8px;
}
.page-disclaimer .disc-license__tag--ask {
  background: var(--orange);
}
.page-disclaimer .disc-license__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---- 联系方式块 ---- */
.page-disclaimer .disc-contact {
  margin-top: 18px;
  padding: 20px 20px 18px;
  background: var(--ink);
  border: var(--line);
  border-color: var(--ink);
  box-shadow: 6px 6px 0 var(--cyan);
}
.page-disclaimer .disc-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-block: 8px;
}
.page-disclaimer .disc-contact__row + .disc-contact__row {
  border-top: 1px solid rgba(53, 242, 224, 0.28);
}
.page-disclaimer .disc-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  min-width: 5.5em;
}
.page-disclaimer .disc-contact__v {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
}
.page-disclaimer .disc-contact__v:hover,
.page-disclaimer .disc-contact__v:focus-visible {
  color: var(--amber);
}
.page-disclaimer .disc-contact__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

/* ---- 右侧注释栏 ---- */
.page-disclaimer .disc-aside {
  min-width: 0;
}
.page-disclaimer .disc-aside__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--graphite);
}
.page-disclaimer .toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.page-disclaimer .toc::-webkit-scrollbar {
  display: none;
}
.page-disclaimer .toc-link {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  padding: 7px 11px;
  border: 1px solid rgba(74, 84, 116, 0.3);
  background: var(--white);
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}
.page-disclaimer .toc-link.is-active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.page-disclaimer .disc-aside__panel {
  margin-top: 22px;
  padding: 16px 18px 18px;
  background: var(--mist);
  border-top: 3px solid var(--blue);
}
.page-disclaimer .disc-aside__panel-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.page-disclaimer .disc-aside__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-disclaimer .disc-aside__links a {
  display: inline-block;
  font-size: 14.5px;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 77, 228, 0.28);
  padding-bottom: 1px;
}
.page-disclaimer .disc-aside__links a:hover,
.page-disclaimer .disc-aside__links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---- 平板及桌面 ---- */
@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }
  .page-disclaimer .disc-hero__figure img {
    aspect-ratio: 2 / 1;
  }
  .page-disclaimer .disc-license {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }
  .page-disclaimer .disc-aside {
    position: sticky;
    top: 104px;
  }
  .page-disclaimer .toc {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    border-left: 2px solid rgba(74, 84, 116, 0.22);
  }
  .page-disclaimer .toc-link {
    border: 0;
    background: transparent;
    padding: 7px 10px;
    border-left: 2px solid transparent;
    margin-left: -2px;
  }
  .page-disclaimer .toc-link.is-active {
    background: transparent;
    border-left-color: var(--orange);
    color: var(--blue);
    font-weight: 700;
  }
  .page-disclaimer .disc-clause__body {
    max-width: 68ch;
  }
  .page-disclaimer .disc-aside__panel {
    margin-top: 26px;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
  .page-disclaimer .disc-clause {
    padding-block: 46px;
  }
}

/* ---- 无障碍与动效降级 ---- */
.page-disclaimer .disc-clause__body a:focus-visible,
.page-disclaimer .toc-link:focus-visible,
.page-disclaimer .disc-contact__v:focus-visible,
.page-disclaimer .disc-aside__links a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-pulse__track span {
    animation: none;
    transform: scaleY(0.7);
    opacity: 0.75;
  }
  .page-disclaimer .disc-hero__badge {
    transform: none;
  }
  .page-disclaimer .toc-link {
    transition: none;
  }
}