/* ===== 使用说明页 · 页面专属样式 ===== */
.page-disclaimer {
  --disc-gold-line: rgba(245, 185, 66, .3);
  --disc-cyan-line: rgba(45, 225, 194, .22);
  --disc-gap: clamp(56px, 8vw, 96px);
  background: var(--light-50);
}

/* --- 首屏：框景 + 状态面板 --- */
.page-disclaimer .disc-hero {
  position: relative;
  padding: calc(var(--header-h) + 52px) 0 0;
  color: var(--tx-hi);
  background:
    radial-gradient(90% 70% at 92% -10%, rgba(45, 225, 194, .16), transparent 60%),
    radial-gradient(70% 60% at -10% 110%, rgba(255, 107, 74, .16), transparent 62%),
    linear-gradient(180deg, var(--deep-900) 0%, var(--deep-800) 100%);
  overflow: hidden;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--coral-500), var(--gold-400), var(--cyan-400), transparent);
  opacity: .7;
}

.page-disclaimer .disc-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-disclaimer .disc-hero .eyebrow {
  color: var(--cyan-400);
}

.page-disclaimer .disc-hero-grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-disclaimer .disc-hero h1 {
  margin: 16px 0 0;
  font-size: var(--fs-48);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--tx-hi);
  max-width: 19ch;
}

.page-disclaimer .disc-hero .lead {
  margin: 20px 0 0;
  max-width: 48ch;
  color: var(--tx-mi);
}

/* 状态面板 */
.page-disclaimer .disc-status {
  position: relative;
  padding: 22px 22px 16px;
  border: 1px solid var(--disc-cyan-line);
  border-radius: var(--radius-m);
  background-color: rgba(6, 24, 38, .7);
  background-image:
    linear-gradient(rgba(45, 225, 194, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 225, 194, .06) 1px, transparent 1px),
    linear-gradient(160deg, rgba(22, 74, 110, .6), rgba(6, 24, 38, .82));
  background-size: 28px 28px, 28px 28px, 100% 100%;
}

.page-disclaimer .disc-status-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-status-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(45, 225, 194, .12);
  font-size: var(--fs-14);
}

.page-disclaimer .disc-status-item:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-status-key {
  color: var(--tx-lo);
}

.page-disclaimer .disc-status-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan-400);
  text-align: right;
}

.page-disclaimer .disc-status-item--gold .disc-status-val {
  color: var(--gold-400);
}

/* 首屏配图 */
.page-disclaimer .disc-figure {
  margin: var(--disc-gap) 0 0;
  border: 1px solid var(--disc-cyan-line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--deep-800);
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 章节索引条 --- */
.page-disclaimer .disc-index {
  background: var(--deep-700);
  border-bottom: 1px solid var(--disc-cyan-line);
}

.page-disclaimer .disc-index-inner {
  display: flex;
  gap: 10px;
  padding: 16px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disc-index-inner::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border: 1px solid rgba(45, 225, 194, .2);
  border-radius: 999px;
  color: var(--tx-mi);
  font-size: var(--fs-14);
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease), color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-disclaimer .disc-index-link:hover,
.page-disclaimer .disc-index-link:focus-visible {
  background: rgba(45, 225, 194, .12);
  border-color: var(--cyan-400);
  color: var(--tx-hi);
  transform: translateY(-2px);
}

.page-disclaimer .disc-index-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--gold-400);
}

/* --- 条款章节 --- */
.page-disclaimer .disc-body {
  background: var(--light-50);
}

.page-disclaimer .disc-chapter {
  padding: var(--disc-gap) 0;
  border-bottom: 1px solid var(--light-200);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-disclaimer .disc-chapter:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-chapter-inner {
  display: grid;
  gap: 24px;
}

.page-disclaimer .disc-chapter-head {
  padding-top: 18px;
  background-image: linear-gradient(90deg, var(--coral-500), var(--gold-400), var(--cyan-400));
  background-repeat: no-repeat;
  background-size: 68px 3px;
  background-position: 0 0;
}

.page-disclaimer .disc-chapter-head .chapter-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .18em;
  color: var(--coral-500);
}

.page-disclaimer .disc-chapter-head .chapter-title {
  margin: 0;
  font-size: var(--fs-28);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--ink-900);
}

.page-disclaimer .disc-chapter-body {
  color: var(--ink-700);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-disclaimer .disc-chapter-body p {
  margin: 0 0 18px;
}

.page-disclaimer .disc-chapter-body p:last-child {
  margin-bottom: 0;
}

/* 列表 */
.page-disclaimer .disc-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-700);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 12px;
  height: 3px;
  border-radius: 3px;
  background: var(--deep-500);
}

.page-disclaimer .disc-list--warn li::before {
  background: var(--coral-500);
}

/* 深色说明块 */
.page-disclaimer .disc-note {
  margin: 26px 0 0;
  padding: 22px 24px;
  border: 1px solid var(--disc-cyan-line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, var(--deep-700), var(--deep-900));
}

.page-disclaimer .disc-note-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-note p {
  margin: 0;
  color: var(--tx-mi);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-disclaimer .disc-note p + p {
  margin-top: 0;
}

/* 联系卡片 */
.page-disclaimer .disc-contact {
  display: grid;
  gap: 14px;
  margin: 24px 0 22px;
}

.page-disclaimer .disc-contact-item {
  padding: 20px 22px;
  border: 1px solid var(--light-200);
  border-radius: var(--radius-m);
  background: #FFFFFF;
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-disclaimer .disc-contact-item:hover {
  border-color: var(--coral-300);
  box-shadow: 0 18px 36px -26px rgba(6, 24, 38, .55);
  transform: translateY(-2px);
}

.page-disclaimer .disc-contact-key {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-14);
  color: var(--ink-500);
}

.page-disclaimer .disc-contact-val {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-all;
}

.page-disclaimer .disc-contact-note {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-500);
}

/* --- 收束 --- */
.page-disclaimer .disc-closing {
  padding: var(--disc-gap) 0;
  background: linear-gradient(160deg, var(--deep-800), var(--deep-900));
  border-top: 1px solid var(--disc-gold-line);
  color: var(--tx-hi);
}

.page-disclaimer .disc-closing-inner {
  display: grid;
  gap: 26px;
}

.page-disclaimer .disc-closing .eyebrow {
  color: var(--gold-400);
}

.page-disclaimer .disc-closing h2 {
  margin: 14px 0 0;
  font-size: var(--fs-28);
  font-weight: 800;
  line-height: 1.36;
  color: var(--tx-hi);
  max-width: 22ch;
}

.page-disclaimer .disc-closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .disc-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 42px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--tx-lo);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-disclaimer .disc-top:hover,
.page-disclaimer .disc-top:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* --- 断点 --- */
@media (min-width: 720px) {
  .page-disclaimer .disc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-disclaimer .disc-closing-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-chapter-inner {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-disclaimer .disc-chapter-head {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(320px, .88fr);
    gap: 64px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .disc-hero {
    padding-top: calc(var(--header-h) + 34px);
  }

  .page-disclaimer .disc-hero h1 {
    max-width: none;
  }

  .page-disclaimer .disc-figure {
    border-radius: var(--radius-m);
  }

  .page-disclaimer .disc-status {
    padding: 18px 16px 12px;
  }

  .page-disclaimer .disc-note,
  .page-disclaimer .disc-contact-item {
    padding: 18px 16px;
  }

  .page-disclaimer .disc-chapter-head .chapter-title {
    font-size: var(--fs-22);
  }
}
</main>