/* ===== 使用指引页 · 页面专属样式 ===== */
.page-disclaimer {
  --rules-edge: rgba(58, 70, 88, 0.55);
  --rules-soft: rgba(245, 184, 75, 0.09);
  --rules-text: rgba(242, 238, 230, 0.82);
  --rules-dim: rgba(242, 238, 230, 0.68);
  position: relative;
  overflow-x: clip;
  padding-block: clamp(88px, 11vw, 132px) clamp(52px, 7vw, 92px);
  color: var(--c-cream);
  background:
    radial-gradient(760px 380px at 92% -8%, rgba(255, 106, 42, 0.15), transparent 68%),
    radial-gradient(620px 420px at -8% 18%, rgba(56, 242, 208, 0.07), transparent 72%);
}

.page-disclaimer .rules-wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* —— 面包屑 —— */
.page-disclaimer .rules-crumbs {
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
}

.page-disclaimer .rules-crumbs a {
  color: var(--c-mute);
  text-decoration: none;
}

.page-disclaimer .rules-crumbs a:hover,
.page-disclaimer .rules-crumbs a:focus-visible {
  color: var(--c-neon);
}

/* —— 首屏 —— */
.page-disclaimer .rules-hero {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  padding-block-start: clamp(4px, 1.5vw, 14px);
}

.page-disclaimer .rules-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -2%;
  width: min(300px, 46vw);
  height: min(300px, 46vw);
  background-image:
    linear-gradient(rgba(255, 106, 42, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 106, 42, 0.2) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(circle at 68% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 68% 30%, #000 0%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .rules-hero > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .rules-hero__title {
  margin: 0;
  max-width: 13em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--c-cream);
}

.page-disclaimer .rules-hero__title em {
  font-style: normal;
  color: var(--c-heat);
}

.page-disclaimer .rules-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  line-height: 1.85;
  color: var(--rules-text);
}

.page-disclaimer .rules-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(6px, 1vw, 12px) 0 0;
  padding: 0;
  list-style: none;
}

/* —— 首屏横幅图 —— */
.page-disclaimer .rules-hero__media {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--rules-edge);
  background: var(--c-rock);
  aspect-ratio: 16 / 9;
  box-shadow: var(--sh-float);
}

.page-disclaimer .rules-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* —— 版本提示条 —— */
.page-disclaimer .ver-strip {
  margin-block-start: clamp(32px, 5vw, 56px);
  padding: clamp(18px, 2.8vw, 30px);
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  border-radius: var(--r-l);
  border: 1px solid rgba(245, 184, 75, 0.3);
  background: linear-gradient(118deg,
    rgba(245, 184, 75, 0.13),
    rgba(255, 106, 42, 0.05) 46%,
    rgba(56, 242, 208, 0.08));
}

.page-disclaimer .ver-strip__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-disclaimer .ver-strip__head p {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--rules-text);
}

.page-disclaimer .ver-strip__cols {
  display: grid;
  gap: 12px;
}

.page-disclaimer .ver-card {
  padding: 15px 17px;
  border-radius: var(--r-m);
  border: 1px solid var(--rules-edge);
  background: rgba(7, 11, 20, 0.42);
}

.page-disclaimer .ver-card--now {
  border-color: rgba(255, 106, 42, 0.45);
  background: rgba(255, 106, 42, 0.09);
}

.page-disclaimer .ver-card__title {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-disclaimer .ver-card--now .ver-card__title {
  color: var(--c-heat);
}

.page-disclaimer .ver-card p + p,
.page-disclaimer .ver-card__title + p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--rules-dim);
}

/* —— 正文两栏 —— */
.page-disclaimer .rules-body {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin-block-start: clamp(44px, 6vw, 76px);
}

/* —— 侧边目录 —— */
.page-disclaimer .rules-toc {
  padding: clamp(16px, 2vw, 20px);
  border-radius: var(--r-l);
  border: 1px solid var(--c-glass-edge);
  background: var(--c-glass-fill);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--sh-float);
}

.page-disclaimer .rules-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--c-neon);
}

.page-disclaimer .rules-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .rules-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-s);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--rules-dim);
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.page-disclaimer .rules-toc__list a span {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-heat);
}

.page-disclaimer .rules-toc__list a:hover,
.page-disclaimer .rules-toc__list a:focus-visible {
  background: rgba(56, 242, 208, 0.1);
  color: var(--c-cream);
}

/* —— 条款块 —— */
.page-disclaimer .rule-block {
  scroll-margin-top: 110px;
  padding-block: clamp(22px, 3.2vw, 34px);
  border-top: 1px solid var(--c-line-soft);
}

.page-disclaimer .rule-block:first-child {
  padding-block-start: 0;
  border-top: 0;
}

.page-disclaimer .rule-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-block-end: 14px;
}

.page-disclaimer .rule-block__num {
  flex: none;
  padding: 2px 8px;
  border-radius: var(--r-s);
  border: 1px solid rgba(255, 106, 42, 0.35);
  background: rgba(255, 106, 42, 0.1);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-heat);
}

.page-disclaimer .rule-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--c-cream);
  transition: color 180ms ease;
}

.page-disclaimer .rule-block:target .rule-block__title {
  color: var(--c-neon);
}

.page-disclaimer .rule-block__body {
  display: grid;
  gap: 12px;
  max-width: 68ch;
}

.page-disclaimer .rule-block__body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--rules-text);
}

.page-disclaimer .rule-block__body a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
  padding-bottom: 1px;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-disclaimer .rule-block__body a:hover,
.page-disclaimer .rule-block__body a:focus-visible {
  color: var(--c-cream);
  border-bottom-color: var(--c-cream);
}

/* —— 引用提示 —— */
.page-disclaimer .rule-quote {
  margin: 6px 0;
  padding: 14px 18px;
  border-left: 3px solid var(--c-amber);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  background: var(--rules-soft);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(242, 238, 230, 0.92);
}

/* —— 折叠摘要 —— */
.page-disclaimer .rule-more {
  margin-block-start: 2px;
  padding: 10px 14px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-m);
  background: rgba(26, 34, 48, 0.5);
}

.page-disclaimer .rule-more summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-neon);
}

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

.page-disclaimer .rule-more summary::before {
  content: "+";
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: var(--r-s);
  border: 1px solid rgba(56, 242, 208, 0.45);
  font-size: 13px;
  line-height: 1;
}

.page-disclaimer .rule-more[open] summary::before {
  content: "−";
}

.page-disclaimer .rule-more ul {
  margin: 11px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-disclaimer .rule-more li {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--rules-dim);
}

/* —— 联系信息 —— */
.page-disclaimer .rules-contact {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  border-top: 1px solid var(--c-line-soft);
}

.page-disclaimer .rules-contact__row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-disclaimer .rules-contact__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

.page-disclaimer .rules-contact__value {
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--c-cream);
  word-break: break-word;
}

.page-disclaimer .rules-contact__more {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--rules-dim);
}

.page-disclaimer .rules-contact__more a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
}

.page-disclaimer .rules-contact__more a:hover,
.page-disclaimer .rules-contact__more a:focus-visible {
  color: var(--c-cream);
  border-bottom-color: var(--c-cream);
}

/* —— 响应式 —— */
@media (max-width: 520px) {
  .page-disclaimer .rules-contact__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .rules-hero__media {
    aspect-ratio: 2.6 / 1;
  }

  .page-disclaimer .ver-strip__cols {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .rules-body {
    grid-template-columns: 252px minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(36px, 4.4vw, 68px);
  }

  .page-disclaimer .rules-toc {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .rule-block__head {
    margin-block-end: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rules-toc__list a,
  .page-disclaimer .rule-block__title,
  .page-disclaimer .rule-block__body a {
    transition: none;
  }
}
<<<END>>>