.page-disclaimer {
  --usage-accent: var(--cyan);
  --usage-warn: var(--amber);
  color: var(--ivory);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-disclaimer .usage-wrap {
  padding-top: clamp(18px, 3.5vw, 36px);
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-disclaimer .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

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

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
  overflow: hidden;
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 140% at 6% 0%, rgba(55, 242, 208, 0.14), transparent 62%),
    linear-gradient(158deg, var(--panel), rgba(6, 26, 21, 0.92));
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: -70px;
  bottom: -96px;
  width: 240px;
  height: 200px;
  border-radius: 46px;
  background: linear-gradient(135deg, rgba(55, 242, 208, 0.18), rgba(255, 182, 72, 0.14));
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-disclaimer .usage-hero__copy {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-disclaimer .usage-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .usage-hero__meta .pill {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-disclaimer .usage-hero__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  aspect-ratio: 12 / 7;
  background: var(--panel);
}

.page-disclaimer .usage-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 条款索引带 */
.page-disclaimer .usage-index {
  position: sticky;
  top: calc(var(--topbar-h) + 6px);
  z-index: 12;
  margin: clamp(18px, 3vw, 28px) 0 clamp(20px, 3.5vw, 34px);
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 26, 21, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.page-disclaimer .usage-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-disclaimer .usage-index__num {
  font-size: 11px;
  color: var(--cyan);
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible {
  color: var(--ivory);
  background: rgba(55, 242, 208, 0.1);
  border-color: var(--cyan);
  outline: none;
}

/* 条款正文 */
.page-disclaimer .usage-sections {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-disclaimer .usage-section {
  position: relative;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  scroll-margin-top: calc(var(--topbar-h) + 92px);
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-disclaimer .usage-section:hover,
.page-disclaimer .usage-section:focus-within {
  border-left-color: var(--cyan);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.24);
}

.page-disclaimer .usage-section--amber {
  border-left-color: var(--amber);
}

.page-disclaimer .usage-section--amber:hover,
.page-disclaimer .usage-section--amber:focus-within {
  border-left-color: var(--amber);
}

.page-disclaimer .usage-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-disclaimer .usage-section__num {
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-disclaimer .usage-section--amber .usage-section__num {
  color: var(--amber);
}

.page-disclaimer .usage-section__head h2 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 27px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--ivory);
}

.page-disclaimer .usage-section__head .tag {
  margin-left: auto;
}

.page-disclaimer .usage-section__body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-disclaimer .usage-section__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 242, 208, 0.4);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-disclaimer .usage-section__body a:hover,
.page-disclaimer .usage-section__body a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-disclaimer .usage-points {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .usage-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .usage-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-disclaimer .usage-points--amber li::before {
  background: var(--amber);
}

.page-disclaimer .usage-points strong {
  color: var(--ivory);
  font-weight: 600;
}

.page-disclaimer .usage-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.96em;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-disclaimer .usage-section--amber .usage-num {
  color: var(--amber-soft);
}

.page-disclaimer .usage-num--lg {
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
}

/* 两小时时间图 */
.page-disclaimer .usage-timeline {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(11, 42, 35, 0.96), rgba(6, 26, 21, 0.96));
}

.page-disclaimer .usage-timeline__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.page-disclaimer .usage-timeline__tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--amber);
  color: var(--bg);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.page-disclaimer .usage-timeline__cap h3 {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  color: var(--ivory);
}

.page-disclaimer .usage-timeline__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-timeline__svg {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-disclaimer .usage-timeline__label {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--cyan);
}

.page-disclaimer .usage-timeline__desc {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--muted);
}

/* 会员周期卡片 */
.page-disclaimer .usage-plans {
  display: grid;
  gap: 12px;
  margin: 4px 0 16px;
}

.page-disclaimer .usage-plan {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(6, 26, 21, 0.55);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-disclaimer .usage-plan:hover {
  border-color: var(--cyan);
}

.page-disclaimer .usage-plan--focus {
  border-color: var(--cyan);
  background: linear-gradient(150deg, rgba(55, 242, 208, 0.13), rgba(6, 26, 21, 0.62));
  box-shadow: inset 0 0 0 1px rgba(55, 242, 208, 0.18);
}

.page-disclaimer .usage-plan__term {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer .usage-plan__price {
  margin: 10px 0 14px;
  font-size: 14px;
  color: var(--muted);
}

.page-disclaimer .usage-plan__price .usage-num--lg {
  margin-right: 4px;
  color: var(--cyan);
  font-weight: 700;
}

.page-disclaimer .usage-plan dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: 0;
  font-size: 14px;
}

.page-disclaimer .usage-plan dt {
  color: var(--muted);
}

.page-disclaimer .usage-plan dd {
  margin: 0;
  color: var(--ivory);
  text-align: right;
}

.page-disclaimer .usage-plan dd .mono {
  font-family: var(--font-mono);
  color: var(--mist);
}

/* 联系信息 */
.page-disclaimer .usage-contact-list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .usage-contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--ivory);
}

.page-disclaimer .usage-contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .usage-contact__k {
  min-width: 68px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* 桌面布局 */
@media (min-width: 860px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-disclaimer .usage-section {
    display: grid;
    grid-template-columns: minmax(190px, 0.85fr) minmax(0, 1.75fr);
    gap: clamp(18px, 3vw, 44px);
    align-items: start;
  }

  .page-disclaimer .usage-section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 0;
  }

  .page-disclaimer .usage-section__head .tag {
    margin-left: 0;
  }

  .page-disclaimer .usage-plans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .usage-hero {
    padding: clamp(38px, 4vw, 56px);
  }

  .page-disclaimer .usage-index {
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-section,
  .page-disclaimer .usage-index__link,
  .page-disclaimer .usage-section__body a,
  .page-disclaimer .usage-plan,
  .page-disclaimer .breadcrumb-link {
    transition: none;
  }
}
<<<END>>>