.page-disclaimer {
  --dcg-paper: #F3EFE6;
  --dcg-ink: #171B26;
  --dcg-body: #363B4C;
  --dcg-muted: #6D7385;
  --dcg-line: rgba(23, 27, 38, .18);
  --dcg-line-soft: rgba(23, 27, 38, .09);
  --dcg-clay: #B5714F;
  background: var(--void);
  color: var(--silver);
  font-family: var(--font-body);
}

.page-disclaimer .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(40px, 8vw, 84px) 0 0;
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 236, 245, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 236, 245, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 26% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 80% at 26% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-disclaimer .usage-hero .wrap {
  position: relative;
}

.page-disclaimer .usage-hero__eyebrow {
  margin-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .usage-hero__title {
  margin-top: 16px;
  max-width: 18em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 66px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--silver);
}

.page-disclaimer .usage-hero__lead {
  margin-top: 20px;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(232, 236, 245, .78);
}

.page-disclaimer .usage-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-hero__media {
  margin-top: clamp(30px, 5vw, 56px);
}

.page-disclaimer .usage-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
}

/* ---------- 章节跳转条 ---------- */
.page-disclaimer .usage-jump {
  position: sticky;
  top: var(--rail-h);
  z-index: 6;
  margin-top: clamp(26px, 4vw, 46px);
  background: rgba(14, 23, 48, .95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-jump__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

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

.page-disclaimer .usage-jump__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-disclaimer .usage-jump__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-jump__link {
  display: block;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--rock);
  background: transparent;
  border: 1px solid var(--line);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-disclaimer .usage-jump__link:hover,
.page-disclaimer .usage-jump__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(79, 227, 208, .5);
}

.page-disclaimer .usage-jump__link[data-active],
.page-disclaimer .usage-jump__link[data-active="true"] {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 米白纸面主体 ---------- */
.page-disclaimer .usage-body {
  margin-top: clamp(32px, 5vw, 60px);
  padding: clamp(34px, 6vw, 80px) 0 clamp(42px, 7vw, 96px);
  background: var(--dcg-paper);
  color: var(--dcg-ink);
}

.page-disclaimer .usage-clause {
  scroll-margin-top: 128px;
}

.page-disclaimer .usage-clause + .usage-clause {
  margin-top: clamp(34px, 4.6vw, 58px);
  padding-top: clamp(28px, 4vw, 50px);
  border-top: 1px solid var(--dcg-line-soft);
}

.page-disclaimer .usage-clause__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-disclaimer .usage-clause__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--dcg-clay);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--dcg-clay);
}

.page-disclaimer .usage-clause__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--dcg-ink);
}

.page-disclaimer .usage-clause__text {
  max-width: 44em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--dcg-body);
}

.page-disclaimer .usage-clause__text + .usage-clause__text {
  margin-top: 14px;
}

.page-disclaimer .usage-link {
  color: #1F7F79;
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 169, 160, .5);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-disclaimer .usage-link:hover,
.page-disclaimer .usage-link:focus-visible {
  color: var(--dcg-clay);
  border-bottom-color: var(--dcg-clay);
}

/* ---------- 条款列表 ---------- */
.page-disclaimer .clause-list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid var(--dcg-line);
}

.page-disclaimer .clause-item {
  position: relative;
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr);
  gap: 4px 10px;
  align-items: baseline;
  padding: 13px 0;
}

.page-disclaimer .clause-item + .clause-item {
  border-top: 1px dashed var(--dcg-line-soft);
}

.page-disclaimer .clause-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 23px;
  width: 10px;
  height: 1px;
  background: var(--dcg-line);
}

.page-disclaimer .clause-item__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--dcg-clay);
}

.page-disclaimer .clause-item__text {
  font-size: 16px;
  line-height: 1.85;
  color: var(--dcg-body);
}

/* ---------- 档位对照表 ---------- */
.page-disclaimer .usage-table-wrap {
  margin-top: clamp(20px, 3vw, 28px);
  overflow-x: auto;
  border-top: 1px solid var(--dcg-line);
  border-bottom: 1px solid var(--dcg-line);
}

.page-disclaimer .usage-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-disclaimer .usage-table th {
  padding: 13px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--dcg-muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--dcg-line);
}

.page-disclaimer .usage-table td {
  padding: 15px 14px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--dcg-body);
  border-bottom: 1px solid var(--dcg-line-soft);
}

.page-disclaimer .usage-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-disclaimer .usage-table__name {
  font-weight: 700;
  color: var(--dcg-ink);
  white-space: nowrap;
}

.page-disclaimer .usage-table__price {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--dcg-clay);
  white-space: nowrap;
}

.page-disclaimer .usage-table__days {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--dcg-ink);
  white-space: nowrap;
}

/* ---------- 赛季时间轴 ---------- */
.page-disclaimer .season-track {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--dcg-line);
}

.page-disclaimer .season-track__item {
  position: relative;
  padding-bottom: 22px;
}

.page-disclaimer .season-track__item:last-child {
  padding-bottom: 0;
}

.page-disclaimer .season-track__item::before {
  content: "";
  position: absolute;
  left: -23.5px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--dcg-clay);
}

.page-disclaimer .season-track__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--dcg-muted);
}

.page-disclaimer .season-track__title {
  margin-top: 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--dcg-ink);
}

.page-disclaimer .season-track__desc {
  margin-top: 6px;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dcg-body);
}

/* ---------- 统计格 ---------- */
.page-disclaimer .usage-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--dcg-line-soft);
  border: 1px solid var(--dcg-line-soft);
}

.page-disclaimer .usage-stats__item {
  padding: 18px 16px;
  background: var(--dcg-paper);
}

.page-disclaimer .usage-stats__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--dcg-clay);
}

.page-disclaimer .usage-stats__unit {
  margin-left: 3px;
  font-size: 12px;
  color: var(--dcg-muted);
}

.page-disclaimer .usage-stats__label {
  display: block;
  margin-top: 9px;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--dcg-muted);
}

/* ---------- 折叠 ---------- */
.page-disclaimer .usage-body .fold {
  margin-top: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--dcg-line);
  background: #FFFFFF;
}

.page-disclaimer .usage-body .fold__head {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--dcg-ink);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .usage-body .fold__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-body .fold__head::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--dcg-clay);
}

.page-disclaimer .usage-body .fold[open] > .fold__head::after {
  content: "－";
}

.page-disclaimer .usage-body .fold__body {
  padding: 2px 16px 18px;
}

.page-disclaimer .usage-body .fold__body p {
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dcg-body);
}

/* ---------- 更新周期列表 ---------- */
.page-disclaimer .update-list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dcg-line);
}

.page-disclaimer .update-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--dcg-line-soft);
}

.page-disclaimer .update-list__cycle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dcg-clay);
}

.page-disclaimer .update-list__title {
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--dcg-ink);
}

.page-disclaimer .update-list__body p {
  margin-top: 6px;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dcg-body);
}

/* ---------- 深空收束 ---------- */
.page-disclaimer .usage-outro {
  position: relative;
  padding: clamp(44px, 7vw, 88px) 0 clamp(44px, 7vw, 80px);
  background:
    radial-gradient(ellipse 80% 60% at 82% 0%, rgba(79, 227, 208, .08) 0%, transparent 62%),
    var(--void);
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-outro__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-disclaimer .usage-outro__intro .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-disclaimer .usage-outro__title {
  margin-top: 14px;
  max-width: 16em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--silver);
}

.page-disclaimer .usage-outro__intro p {
  margin-top: 16px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(232, 236, 245, .72);
}

.page-disclaimer .usage-outro__links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-outro__links li {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-outro__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--silver);
  text-decoration: none;
  transition: color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.page-disclaimer .usage-outro__links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--rock);
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}

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

.page-disclaimer .usage-outro__links a:hover::after,
.page-disclaimer .usage-outro__links a:focus-visible::after {
  color: var(--cyan);
  transform: translateX(3px);
}

.page-disclaimer .usage-outro__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(28px, 5vw, 52px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-outro__foot p {
  max-width: 44em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-disclaimer .usage-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid rgba(79, 227, 208, .4);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .update-list__item {
    grid-template-columns: 7.5em minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }

  .page-disclaimer .usage-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-jump {
    top: 0;
  }

  .page-disclaimer .usage-clause {
    scroll-margin-top: 96px;
  }

  .page-disclaimer .usage-outro__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .usage-hero__title {
    max-width: 15em;
  }

  .page-disclaimer .usage-hero__lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-jump__link,
  .page-disclaimer .usage-link,
  .page-disclaimer .usage-outro__links a,
  .page-disclaimer .usage-outro__links a::after,
  .page-disclaimer .usage-top {
    transition: none;
  }

  .page-disclaimer .usage-outro__links a:hover::after,
  .page-disclaimer .usage-outro__links a:focus-visible::after {
    transform: none;
  }
}