.page-disclaimer {
  --ag-rail: 208px;
  --ag-gap: clamp(28px, 4vw, 64px);
  --ag-sticky: 104px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .agreement-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(178deg, var(--ink-900) 0%, var(--ink-750) 58%, var(--ink-800) 100%);
}

.page-disclaimer .agreement-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 82%, transparent 100%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 82%, transparent 100%);
}

.page-disclaimer .agreement-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-disclaimer .agreement-hero__inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(52px, 11vh, 116px) var(--pad) clamp(38px, 6vh, 66px);
}

.page-disclaimer .agreement-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vh, 30px);
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .agreement-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .agreement-hero .breadcrumb a:hover,
.page-disclaimer .agreement-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .agreement-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .agreement-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 78px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--text);
}

.page-disclaimer .agreement-hero .lead {
  max-width: 62ch;
  margin: clamp(20px, 3vh, 28px) 0 0;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .agreement-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: clamp(28px, 4vh, 42px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-disclaimer .agreement-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-disclaimer .agreement-hero__meta li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-disclaimer .agreement-hero__meta li:nth-child(2)::before {
  background: var(--orange);
}

.page-disclaimer .agreement-hero__meta li:nth-child(3)::before {
  background: var(--violet);
}

/* ---------- 版式骨架 ---------- */
.page-disclaimer .agreement-layout {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(40px, 7vh, 82px) var(--pad) clamp(40px, 6vh, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ag-gap);
}

/* ---------- 左侧条款目录 ---------- */
.page-disclaimer .agreement-rail {
  align-self: start;
}

.page-disclaimer .agreement-rail__title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .agreement-rail__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .agreement-rail__link {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .agreement-rail__link .mono {
  font-size: 12px;
  color: var(--cyan);
  opacity: .85;
}

.page-disclaimer .agreement-rail__link:hover,
.page-disclaimer .agreement-rail__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background-color: rgba(53, 230, 224, .07);
}

.page-disclaimer .agreement-rail__note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 正文纸张区 ---------- */
.page-disclaimer .agreement-doc {
  position: relative;
  padding: clamp(24px, 3.6vw, 54px);
  border: 1px solid var(--line);
  background:
    radial-gradient(130% 90% at 100% 0%, rgba(140, 108, 255, .10), transparent 56%),
    linear-gradient(180deg, rgba(15, 34, 51, .82), rgba(8, 19, 31, .62));
  box-shadow: var(--shadow-lg);
}

.page-disclaimer .ag-doc-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  opacity: .6;
  pointer-events: none;
}

.page-disclaimer .ag-doc-corner--tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-disclaimer .ag-doc-corner--tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}

.page-disclaimer .ag-doc-corner--bl {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}

.page-disclaimer .ag-doc-corner--br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

/* ---------- 条款 ---------- */
.page-disclaimer .clause {
  position: relative;
  scroll-margin-top: var(--ag-sticky);
}

.page-disclaimer .clause + .clause {
  margin-top: clamp(26px, 3.4vw, 44px);
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(24px, 3.2vw, 40px);
}

.page-disclaimer .clause__summary {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 clamp(16px, 2.2vw, 24px);
  padding: clamp(13px, 1.8vw, 18px) clamp(13px, 1.6vw, 20px);
  border-left: 2px solid var(--violet);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .clause__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__summary::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(112deg, rgba(140, 108, 255, .17), rgba(140, 108, 255, .04) 46%, transparent 74%);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}

.page-disclaimer .clause[open] > .clause__summary::before {
  opacity: 1;
}

.page-disclaimer .clause__summary:hover,
.page-disclaimer .clause__summary:focus-visible {
  background-color: rgba(53, 230, 224, .05);
}

.page-disclaimer .clause__num {
  position: relative;
  flex: 0 0 auto;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-disclaimer .clause__title {
  position: relative;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-disclaimer .clause__toggle {
  position: relative;
  margin-left: auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .clause__toggle::before {
  content: "+";
}

.page-disclaimer .clause[open] .clause__toggle::before {
  content: "\2013";
}

.page-disclaimer .clause__body {
  max-width: 74ch;
}

.page-disclaimer .clause__body p {
  margin: 0 0 1.05em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--cyan-soft);
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 1.05em;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  opacity: .8;
  transform: rotate(45deg);
}

.page-disclaimer .clause:target {
  background-color: rgba(140, 108, 255, .09);
  box-shadow: inset 2px 0 0 var(--violet);
}

/* ---------- 页尾 ---------- */
.page-disclaimer .agreement-foot {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(56px, 9vh, 104px);
}

.page-disclaimer .agreement-foot__card {
  position: relative;
  padding: clamp(26px, 3.8vw, 54px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(53, 230, 224, .12), transparent 58%),
    linear-gradient(180deg, rgba(15, 34, 51, .92), rgba(8, 19, 31, .74));
}

.page-disclaimer .agreement-foot__eyebrow {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-disclaimer .agreement-foot__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 37px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .agreement-foot__text {
  max-width: 68ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .agreement-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .agreement-layout {
    grid-template-columns: var(--ag-rail) minmax(0, 1fr);
  }

  .page-disclaimer .agreement-rail {
    position: sticky;
    top: var(--ag-sticky);
  }

  .page-disclaimer .clause__body {
    padding-left: 42px;
  }
}

@media (max-width: 899px) {
  .page-disclaimer .agreement-rail__list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-disclaimer .agreement-rail__link {
    border-left: 0;
    border: 1px solid var(--line);
    padding: 7px 12px;
    font-size: 13px;
  }

  .page-disclaimer .agreement-rail__note {
    border-left: 0;
    padding-left: 0;
  }

  .page-disclaimer .clause__summary {
    padding-left: 12px;
    padding-right: 12px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .agreement-hero__meta {
    gap: 8px 18px;
    font-size: 12px;
  }

  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__list li {
    font-size: 16px;
  }

  .page-disclaimer .agreement-foot__actions .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .agreement-rail__link,
  .page-disclaimer .clause__summary,
  .page-disclaimer .clause__summary::before,
  .page-disclaimer .agreement-hero .breadcrumb a {
    transition: none;
  }
}
<<<END>>>