.page-disclaimer {
  --dsc-shadow: 0 26px 52px -34px rgba(0, 0, 0, .95);
  --dsc-stack: 10px 10px 0 -1px rgba(21, 64, 53, .62);
  --dsc-rule: rgba(15, 42, 34, .22);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dsc-open {
  position: relative;
  padding: clamp(18px, 3.6vw, 34px) 0 clamp(46px, 7.5vw, 96px);
  background:
    radial-gradient(120% 92% at 86% 2%, rgba(21, 64, 53, .95), transparent 62%),
    var(--ink-deep);
  overflow: hidden;
}

.page-disclaimer .dsc-open::after {
  content: "";
  position: absolute;
  top: 24%;
  right: -12%;
  width: 62%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(53, 224, 208, .5) 46%, transparent);
  transform: rotate(-15deg);
  pointer-events: none;
}

.page-disclaimer .dsc-open__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-disclaimer .dsc-open__panel {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dsc-frame {
  position: relative;
  padding: clamp(24px, 3.6vw, 44px) clamp(18px, 3vw, 38px);
  background: linear-gradient(180deg, rgba(10, 15, 13, .86), rgba(10, 15, 13, .58));
}

.page-disclaimer .dsc-open__label {
  margin: 0 0 clamp(12px, 2vw, 20px);
  color: var(--gold);
}

.page-disclaimer .dsc-open__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .dsc-open__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 38ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .dsc-open__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-open__chip {
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-soft);
  border: 1px solid var(--line-gold);
  background: rgba(212, 166, 74, .07);
}

.page-disclaimer .dsc-open__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-gold);
}

.page-disclaimer .dsc-open__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.82) contrast(1.04);
}

.page-disclaimer .dsc-open__media .media__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  background: rgba(10, 15, 13, .88);
  border-top: 1px solid var(--line-gold);
}

/* ---------- 条款区 ---------- */
.page-disclaimer .dsc-terms {
  position: relative;
  padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 9vw, 116px);
  background:
    linear-gradient(180deg, var(--ink-deep) 0%, var(--obsidian) 32%, var(--obsidian) 100%);
  overflow: hidden;
}

.page-disclaimer .dsc-terms__head {
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-disclaimer .dsc-terms__head .section-head__title {
  color: var(--text);
}

.page-disclaimer .dsc-terms__head .section-head__note {
  color: var(--mist);
}

/* 条款定位目录 */
.page-disclaimer .dsc-nav {
  display: grid;
  gap: 0;
  margin: 0 0 clamp(30px, 5vw, 56px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .dsc-nav__item {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dsc-nav__link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 8px 4px;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .dsc-nav__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .dsc-nav__link:hover,
.page-disclaimer .dsc-nav__link:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

/* 纸张条款卡 */
.page-disclaimer .dsc-clause {
  position: relative;
  margin-bottom: clamp(20px, 3.4vw, 34px);
  padding: clamp(24px, 3.6vw, 44px) clamp(20px, 3.2vw, 42px) clamp(22px, 3.2vw, 36px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(15, 42, 34, .18);
  box-shadow: var(--dsc-stack), var(--dsc-shadow);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .dsc-clause::before,
.page-disclaimer .dsc-clause::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.page-disclaimer .dsc-clause::before {
  top: 10px;
  right: 10px;
  border-left: 0;
  border-bottom: 0;
}

.page-disclaimer .dsc-clause::after {
  bottom: 10px;
  left: 10px;
  border-right: 0;
  border-top: 0;
}

.page-disclaimer .dsc-clause:hover {
  box-shadow: 14px 14px 0 -1px rgba(21, 64, 53, .72), var(--dsc-shadow);
}

.page-disclaimer .dsc-clause__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-disclaimer .dsc-clause__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  flex: none;
}

.page-disclaimer .dsc-clause__lead {
  margin: clamp(12px, 2vw, 18px) 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .dsc-more {
  margin-top: clamp(14px, 2.4vw, 22px);
  padding-top: 12px;
  border-top: 1px solid var(--dsc-rule);
}

.page-disclaimer .dsc-more__sum {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding-right: 8px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dsc-more__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--coral);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .dsc-more[open] .dsc-more__sum::after {
  content: "−";
}

.page-disclaimer .dsc-more__sum:hover,
.page-disclaimer .dsc-more__sum:focus-visible {
  color: #7a3a22;
}

.page-disclaimer .dsc-more__body {
  padding: 6px 0 4px;
  border-left: 2px solid rgba(212, 166, 74, .5);
  padding-left: clamp(14px, 2vw, 20px);
  margin-top: 6px;
}

.page-disclaimer .dsc-more__body p {
  margin: 0 0 12px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: #1d3a31;
}

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

.page-disclaimer .dsc-link {
  color: #14503f;
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 166, 74, .8);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .dsc-link:hover,
.page-disclaimer .dsc-link:focus-visible {
  color: #b8471f;
  border-bottom-color: #b8471f;
}

/* 联系方式表 */
.page-disclaimer .dsc-contact {
  display: grid;
  gap: 0;
  margin: clamp(18px, 3vw, 26px) 0 0;
  border-top: 1px solid var(--dsc-rule);
}

.page-disclaimer .dsc-contact__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--dsc-rule);
}

.page-disclaimer .dsc-contact__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: #4d6d62;
}

.page-disclaimer .dsc-contact__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

/* 收尾刻度 */
.page-disclaimer .dsc-close {
  margin-top: clamp(28px, 4.6vw, 52px);
  height: 10px;
  background-image: repeating-linear-gradient(90deg,
      var(--line-gold) 0 1px,
      transparent 1px 24px);
  border-top: 1px solid var(--line-gold);
}

/* 返回顶部 */
.page-disclaimer .to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 40;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-soft);
  background: rgba(10, 15, 13, .9);
  border: 1px solid var(--line-gold);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .to-top[data-visible] {
  opacity: 1;
  visibility: visible;
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dsc-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-disclaimer .dsc-contact__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .dsc-open__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

  .page-disclaimer .dsc-open__media {
    margin-top: clamp(20px, 3.4vw, 40px);
  }

  .page-disclaimer .dsc-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 0;
    border-bottom: 1px solid var(--line);
  }

  .page-disclaimer .dsc-nav__item {
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .dsc-nav__item:first-child {
    border-left: 0;
  }

  .page-disclaimer .dsc-clause {
    max-width: 62%;
  }

  .page-disclaimer .dsc-clause:nth-of-type(odd) {
    margin-right: auto;
    margin-left: 0;
  }

  .page-disclaimer .dsc-clause:nth-of-type(even) {
    margin-left: auto;
    margin-right: 0;
  }

  .page-disclaimer .dsc-clause--wide {
    max-width: 78%;
    margin-left: 0;
  }

  .page-disclaimer .dsc-clause__lead {
    max-width: 46ch;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .dsc-clause {
    max-width: 58%;
  }

  .page-disclaimer .dsc-clause--wide {
    max-width: 74%;
  }
}

/* ---------- 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dsc-clause,
  .page-disclaimer .dsc-nav__link,
  .page-disclaimer .to-top,
  .page-disclaimer .dsc-more__sum::after {
    transition: none;
  }

  .page-disclaimer .dsc-clause:hover {
    transform: none;
  }
}
<<<END>>>