.page-disclaimer {
  --instr-rail: 214px;
  position: relative;
  padding-bottom: 80px;
  color: var(--white);
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(0, 230, 210, .10), transparent 70%),
    radial-gradient(700px 380px at 6% 28%, rgba(255, 45, 122, .07), transparent 72%),
    var(--ink);
}

.page-disclaimer .breadcrumb {
  padding: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 头部 ---------- */

.page-disclaimer .instr-hero {
  position: relative;
  margin-top: 10px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(11, 18, 32, .97) 0%, rgba(5, 7, 12, .99) 60%, rgba(0, 230, 210, .10) 100%);
}

.page-disclaimer .instr-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 42, 58, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 58, .55) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(158deg, rgba(0, 0, 0, .95), transparent 64%);
  mask-image: linear-gradient(158deg, rgba(0, 0, 0, .95), transparent 64%);
}

.page-disclaimer .instr-hero__inner {
  position: relative;
  z-index: 1;
  padding: 38px 18px 30px;
}

.page-disclaimer .section__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--magenta);
}

.page-disclaimer .instr-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 9vw, 74px);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-disclaimer .instr-hero__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 245, 247, .84);
}

.page-disclaimer .instr-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-disclaimer .instr-hero__fig {
  position: relative;
  z-index: 1;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .instr-hero__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(0, 230, 210, .09) 0 1px, transparent 1px 6px);
}

.page-disclaimer .instr-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 360;
  object-fit: cover;
  opacity: .78;
}

.page-disclaimer .instr-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta) 56%, var(--yellow));
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .instr-layout {
  margin-top: 38px;
}

.page-disclaimer .instr-toc {
  margin: 0 0 26px;
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(11, 18, 32, .7), transparent 82%);
}

.page-disclaimer .instr-toc .rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-disclaimer .instr-toc .rail__link {
  position: relative;
  display: block;
  padding: 7px 0 7px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--gray);
  text-decoration: none;
  transition: color .2s ease;
}

.page-disclaimer .instr-toc .rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 2px;
  background: var(--line);
  transition: background .2s ease;
}

.page-disclaimer .instr-toc .rail__link:hover {
  color: var(--cyan);
}

.page-disclaimer .instr-toc .rail__link[aria-current="true"] {
  color: var(--cyan);
}

.page-disclaimer .instr-toc .rail__link[aria-current="true"]::before {
  background: var(--magenta);
}

.page-disclaimer .instr-main {
  min-width: 0;
}

/* ---------- 条款条目 ---------- */

.page-disclaimer .instr-item {
  position: relative;
  margin-bottom: 18px;
  padding: 24px 18px 24px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: linear-gradient(150deg, rgba(11, 18, 32, .94), rgba(5, 7, 12, .9));
  box-shadow: var(--shadow-1);
}

.page-disclaimer .instr-item--cyan { border-left-color: var(--cyan); }
.page-disclaimer .instr-item--magenta { border-left-color: var(--magenta); }
.page-disclaimer .instr-item--yellow { border-left-color: var(--yellow); }
.page-disclaimer .instr-item--green { border-left-color: var(--green); }

.page-disclaimer .instr-item__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.page-disclaimer .instr-item__no {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.03em;
  text-decoration: none;
  color: var(--cyan);
  transition: color .2s ease, opacity .2s ease;
}

.page-disclaimer .instr-item--magenta .instr-item__no { color: var(--magenta); }
.page-disclaimer .instr-item--yellow .instr-item__no { color: var(--yellow); }
.page-disclaimer .instr-item--green .instr-item__no { color: var(--green); }

.page-disclaimer .instr-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 29px);
  letter-spacing: .01em;
  line-height: 1.25;
  color: var(--white);
}

.page-disclaimer .instr-item__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 245, 247, .9);
}

.page-disclaimer .instr-list {
  display: grid;
  gap: 11px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .instr-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(242, 245, 247, .84);
  overflow-wrap: anywhere;
}

.page-disclaimer .instr-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--cyan-dim);
  transform: translateY(-50%) rotate(45deg);
}

.page-disclaimer .instr-item--magenta .instr-list li::before { background: var(--magenta); }
.page-disclaimer .instr-item--yellow .instr-list li::before { background: var(--yellow); }
.page-disclaimer .instr-item--green .instr-list li::before { background: var(--green); }

.page-disclaimer .instr-list__k {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .02em;
  vertical-align: 1px;
}

.page-disclaimer .instr-item__no:hover {
  color: var(--white);
}

/* ---------- 收口 ---------- */

.page-disclaimer .instr-foot {
  margin-top: 22px;
  padding: 20px 18px;
  border: 1px dashed var(--line);
  border-top: 2px solid var(--cyan);
  background: rgba(11, 18, 32, .62);
}

.page-disclaimer .instr-foot p {
  margin: 0;
  max-width: 76ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 247, .82);
}

.page-disclaimer .instr-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 210, .45);
  transition: color .2s ease, border-color .2s ease;
}

.page-disclaimer .instr-foot a:hover {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* ---------- 桌面与平板 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .instr-hero__inner {
    padding: 52px 42px 42px;
  }

  .page-disclaimer .instr-item {
    padding: 28px 28px 28px 30px;
  }

  .page-disclaimer .instr-item__no {
    font-size: 42px;
  }

  .page-disclaimer .instr-foot {
    padding: 24px 28px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .instr-hero__inner {
    padding: 68px 60px 54px;
  }

  .page-disclaimer .instr-layout {
    display: grid;
    grid-template-columns: var(--instr-rail) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
    margin-top: 48px;
  }

  .page-disclaimer .instr-toc {
    position: sticky;
    top: calc(var(--header-total) + 18px);
    margin-bottom: 0;
  }

  .page-disclaimer .instr-main {
    max-width: 78ch;
  }

  .page-disclaimer .instr-item__no {
    font-size: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .instr-toc .rail__link,
  .page-disclaimer .instr-item__no,
  .page-disclaimer .instr-foot a {
    transition: none;
  }
}