/* ===== 使用说明页 ===== */
.page-disclaimer {
  --pd-toc-top: 76px;
  --pd-gold-line: rgba(212, 175, 55, 0.35);
  --pd-red-soft: rgba(200, 16, 46, 0.12);
  --pd-panel: linear-gradient(135deg, rgba(23, 23, 34, 0.92) 0%, rgba(26, 27, 41, 0.92) 100%);
  --pd-texture: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Ccircle cx='36' cy='36' r='12' fill='none' stroke='%23C8102E' stroke-opacity='0.06' stroke-width='1'/%3E%3Ccircle cx='36' cy='36' r='5' fill='%23D4AF37' fill-opacity='0.05'/%3E%3Cpath d='M0 36h14M58 36h14M36 0v14M36 58v14' stroke='%237A5CFF' stroke-opacity='0.05'/%3E%3C/svg%3E");
}

@media (min-width: 768px) {
  .page-disclaimer {
    --pd-toc-top: 88px;
  }
}

/* 首屏框景横幅 */
.page-disclaimer__hero {
  position: relative;
  padding: var(--space-6) 0 0;
  overflow: hidden;
}

.page-disclaimer__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--pd-texture);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-disclaimer__hero::after {
  content: "";
  position: absolute;
  top: -120px;
  left: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(200, 16, 46, 0.18) 0%, transparent 68%);
  pointer-events: none;
}

.page-disclaimer__hero > .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer__breadcrumbs {
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}

.page-disclaimer__kicker {
  margin: 0 0 var(--space-3);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-disclaimer__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.05;
  color: var(--c-text);
}

@media (min-width: 768px) {
  .page-disclaimer__title {
    font-size: var(--text-display);
  }
}

.page-disclaimer__lede {
  max-width: 640px;
  margin: var(--space-4) 0 var(--space-5);
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--c-text-dim);
}

.page-disclaimer__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-disclaimer__hero-media {
  position: relative;
  padding-bottom: var(--space-6);
}

.page-disclaimer__hero-figure {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 7;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .page-disclaimer__hero-figure {
    aspect-ratio: 1200 / 300;
  }
}

.page-disclaimer__hero-figure::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, rgba(212, 175, 55, 0.7) 0 12px, transparent 12px 24px);
  pointer-events: none;
}

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

.page-disclaimer__hero-caption {
  position: absolute;
  bottom: 14px;
  left: var(--space-4);
  z-index: 1;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--c-text);
  background: rgba(11, 11, 16, 0.78);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* 条款目录 */
.page-disclaimer__toc {
  position: sticky;
  top: var(--pd-toc-top);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding: var(--space-2);
  overflow-x: auto;
  background: rgba(16, 17, 27, 0.9);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  scrollbar-width: none;
}

.page-disclaimer__toc::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .page-disclaimer__toc {
    width: fit-content;
    justify-content: center;
  }
}

.page-disclaimer__toc-label {
  flex: 0 0 auto;
  padding-left: var(--space-3);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-disclaimer__toc-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  line-height: 1;
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease), background-color var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease);
}

.page-disclaimer__toc-link:hover {
  color: var(--c-text);
  background: rgba(212, 175, 55, 0.07);
  border-color: rgba(212, 175, 55, 0.4);
}

.page-disclaimer__toc-link.is-spied {
  color: var(--c-text);
  background: rgba(200, 16, 46, 0.2);
  border-color: rgba(200, 16, 46, 0.55);
}

.page-disclaimer__toc-num {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  color: var(--c-gold);
}

/* 正文主体 */
.page-disclaimer__body {
  padding-top: var(--space-2);
}

.page-disclaimer__section {
  scroll-margin-top: calc(var(--pd-toc-top) + var(--space-4));
  margin-bottom: var(--space-10);
}

.page-disclaimer__section--narrow {
  max-width: 960px;
}

.page-disclaimer__section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
}

.page-disclaimer__section-num {
  font-family: var(--font-data);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

@media (min-width: 768px) {
  .page-disclaimer__section-num {
    font-size: var(--text-lg);
  }
}

.page-disclaimer__section-head-copy h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-text);
}

@media (min-width: 768px) {
  .page-disclaimer__section-head-copy h2 {
    font-size: var(--text-lg);
  }
}

.page-disclaimer__section-sub {
  margin: var(--space-1) 0 0;
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--c-text-dim);
}

.page-disclaimer__divider {
  height: 1px;
  margin: var(--space-5) 0 var(--space-6);
  border: 0;
  background: linear-gradient(90deg, var(--pd-gold-line) 0%, rgba(212, 175, 55, 0.1) 60%, transparent 100%);
}

.page-disclaimer__section-lead {
  max-width: 760px;
  margin: 0 0 var(--space-6);
  padding-left: var(--space-4);
  border-left: 3px solid var(--pd-gold-line);
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--c-text);
}

/* 条款卡 */
.page-disclaimer__terms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-disclaimer__terms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .page-disclaimer__terms--three .page-disclaimer__term:last-child {
    grid-column: 1 / -1;
  }
}

.page-disclaimer__term {
  position: relative;
  padding: var(--space-5);
  background: var(--pd-panel);
  border: 1px solid rgba(244, 246, 251, 0.07);
  border-radius: var(--radius-md);
  transition: border-color var(--speed) var(--ease);
}

.page-disclaimer__term::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-5);
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold), transparent);
  border-radius: 0 0 2px 2px;
}

.page-disclaimer__term:hover {
  border-color: rgba(212, 175, 55, 0.42);
}

.page-disclaimer__term--alert {
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.12) 0%, rgba(23, 23, 34, 0.92) 70%);
  border-color: rgba(200, 16, 46, 0.3);
}

.page-disclaimer__term--alert::before {
  background: var(--c-milan-bright);
}

.page-disclaimer__term-num {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-data);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-data);
}

.page-disclaimer__term h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
}

.page-disclaimer__term p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--c-text-dim);
}

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

.page-disclaimer__alert {
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--c-milan-bright);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--pd-red-soft);
  color: var(--c-text);
}

.page-disclaimer__alert strong {
  color: var(--c-milan-bright);
  font-weight: 600;
}

/* 服务可用性 */
.page-disclaimer__service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (min-width: 860px) {
  .page-disclaimer__service-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--space-6);
    align-items: start;
  }
}

.page-disclaimer__service-copy p {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--c-text-dim);
}

.page-disclaimer__service-copy p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__status {
  position: relative;
  padding: var(--space-5);
  font-family: var(--font-data);
  background: rgba(11, 11, 16, 0.78);
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 16px 32px rgba(0, 0, 0, 0.25);
}

.page-disclaimer__status-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(244, 246, 251, 0.07);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-disclaimer__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-data);
  box-shadow: 0 0 10px rgba(0, 229, 204, 0.75);
  animation: page-disclaimer-pulse 1.8s ease-in-out infinite;
}

@keyframes page-disclaimer-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(0, 229, 204, 0.55); }
  50% { opacity: 0.6; box-shadow: 0 0 16px rgba(0, 229, 204, 0.9); }
}

.page-disclaimer__status-list {
  margin: 0;
}

.page-disclaimer__status-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(244, 246, 251, 0.06);
}

.page-disclaimer__status-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer__status-row dt {
  font-size: var(--text-xs);
  color: var(--c-text-dim);
}

.page-disclaimer__status-row dd {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-data);
}

/* 解释气泡 */
.page-disclaimer__tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: var(--space-1);
  padding: 0 7px;
  border: 1px solid rgba(212, 175, 55, 0.38);
  border-radius: var(--radius-pill);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--c-gold);
  cursor: help;
  vertical-align: 2px;
  transition: border-color var(--speed-fast) var(--ease), color var(--speed-fast) var(--ease);
}

.page-disclaimer__tooltip:hover,
.page-disclaimer__tooltip:focus-visible {
  border-color: var(--c-gold-bright);
  color: var(--c-gold-bright);
}

.page-disclaimer__tooltip:focus-visible {
  outline: 2px solid var(--c-gold-bright);
  outline-offset: 2px;
}

.page-disclaimer__tooltip-text {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  width: min(240px, calc(100vw - 40px));
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-panel-3);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: 12px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 40;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity var(--speed) var(--ease), visibility var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-disclaimer__tooltip-text::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--c-panel-3);
  border-left: 1px solid rgba(212, 175, 55, 0.45);
  border-top: 1px solid rgba(212, 175, 55, 0.45);
  transform: translateX(-50%) rotate(45deg);
}

.page-disclaimer__tooltip:hover .page-disclaimer__tooltip-text,
.page-disclaimer__tooltip:focus-within .page-disclaimer__tooltip-text {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* 页尾返回 */
.page-disclaimer__back {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  margin: var(--space-10) 0;
  padding: var(--space-8) var(--space-5);
  text-align: center;
  background:
    radial-gradient(ellipse at top left, rgba(200, 16, 46, 0.14), transparent 55%),
    linear-gradient(135deg, rgba(23, 23, 34, 0.94), rgba(26, 27, 41, 0.94));
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-lg);
}

.page-disclaimer__back-text {
  max-width: 640px;
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--c-text-dim);
}

.page-disclaimer__back-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer__status-dot {
    animation: none;
  }

  .page-disclaimer__tooltip-text,
  .page-disclaimer__toc-link,
  .page-disclaimer__term {
    transition: none;
  }
}