/* ================= 使用指引页 · page-disclaimer ================= */

.page-disclaimer {
  --disc-line: var(--line-mist);
  --disc-ink: var(--graphite);
  --disc-soft: #F7FAFD;
  background: var(--mist);
  color: var(--disc-ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(34px, 5vw, 58px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--mist) 100%);
  overflow: hidden;
}

.page-disclaimer .disclaimer-hero__glow {
  position: absolute;
  top: -220px;
  right: -150px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
      rgba(37, 224, 198, .26),
      rgba(61, 139, 255, .12) 46%,
      rgba(5, 18, 31, 0) 72%);
  pointer-events: none;
  animation: disc-breathe 8s var(--ease) infinite alternate;
}

@keyframes disc-breathe {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-14px, 12px, 0) scale(1.05); }
}

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

.page-disclaimer .disclaimer-hero__head {
  max-width: 64ch;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .disclaimer-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--abyss);
  transform: skew(-2.5deg);
  transform-origin: left bottom;
}

.page-disclaimer .disclaimer-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--slate);
}

.page-disclaimer .disclaimer-hero__frame {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-lg);
  background: var(--abyss);
  overflow: hidden;
  box-shadow: 0 30px 60px -40px rgba(5, 18, 31, .95);
}

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

/* ---------- 主体双栏 ---------- */
.page-disclaimer .disclaimer-layout {
  padding: clamp(30px, 5vw, 64px) 0 0;
}

.page-disclaimer .disclaimer-layout__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .disclaimer-toc {
  background: var(--paper);
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-lg);
  padding: 18px 16px 20px;
  box-shadow: 0 22px 48px -38px rgba(5, 18, 31, .95);
}

.page-disclaimer .disclaimer-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .disclaimer-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--disc-ink);
  text-decoration: none;
  transition: background-color .22s var(--ease),
              border-color .22s var(--ease),
              color .22s var(--ease);
}

.page-disclaimer .disclaimer-toc__link .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--harbor-blue);
}

.page-disclaimer .disclaimer-toc__link:hover,
.page-disclaimer .disclaimer-toc__link:focus-visible {
  background: var(--disc-soft);
  border-left-color: var(--pulse-orange);
  color: var(--deep-sea);
}

.page-disclaimer .disclaimer-toc__link:focus-visible {
  outline: 2px solid var(--harbor-blue);
  outline-offset: 2px;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .clause {
  padding: clamp(26px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--disc-line);
  scroll-margin-top: 96px;
}

.page-disclaimer .clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 16px);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.page-disclaimer .clause__num {
  flex: none;
  display: inline-block;
  padding: 5px 13px;
  border-radius: var(--pill);
  background: var(--abyss);
  color: var(--aqua-glow);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.4;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--abyss);
}

.page-disclaimer .clause__verdict {
  margin: 0 0 22px;
  padding-left: 16px;
  border-left: 3px solid var(--pulse-orange);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  color: var(--deep-sea);
}

.page-disclaimer .clause__body p {
  margin: 0 0 15px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--disc-ink);
}

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

.page-disclaimer .clause__body a {
  color: var(--harbor-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.page-disclaimer .clause__body a:hover {
  color: var(--pulse-orange);
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .clause__list:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 26px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--disc-ink);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--harbor-blue);
}

.page-disclaimer .clause__callout {
  margin: 0 0 15px;
  padding: 16px 20px;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg,
      rgba(20, 80, 127, .08),
      rgba(37, 224, 198, .12));
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--deep-sea);
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .clause__more {
  margin-top: 20px;
  padding: 0 18px;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .78);
        overflow: hidden;
}

.page-disclaimer .clause__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--harbor-blue);
}

.page-disclaimer .clause__more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__more summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--harbor-blue);
}

.page-disclaimer .clause__more[open] summary::after {
  content: "－";
}

.page-disclaimer .clause__more summary:focus-visible {
  outline: 2px solid var(--harbor-blue);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

.page-disclaimer .clause__more p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* 目标条款轻微提亮 */
.page-disclaimer .clause:target .clause__title {
  color: var(--harbor-blue);
}

/* ---------- 页尾路径条 ---------- */
.page-disclaimer .disclaimer-path {
  padding: clamp(8px, 2vw, 20px) 0 clamp(52px, 8vw, 96px);
}

.page-disclaimer .path-strip {
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-disclaimer .path-strip:hover,
.page-disclaimer .path-strip:focus-visible {
  transform: translateY(-3px);
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .disclaimer-layout__grid {
    grid-template-columns: minmax(212px, 246px) minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 68px);
  }

  .page-disclaimer .disclaimer-toc {
    position: sticky;
    top: 40px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 6px 0 6px 18px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--disc-line);
    border-radius: 0;
    box-shadow: none;
  }

  .page-disclaimer .disclaimer-toc::-webkit-scrollbar {
    width: 6px;
  }

  .page-disclaimer .disclaimer-toc::-webkit-scrollbar-thumb {
    background: var(--disc-line);
    border-radius: var(--pill);
  }

  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__list li {
    font-size: 17px;
  }

  .page-disclaimer .clause__list {
    gap: 12px;
  }
}

/* ---------- 极窄屏 ---------- */
@media (max-width: 420px) {
  .page-disclaimer .clause__head {
    gap: 10px;
  }

  .page-disclaimer .clause__verdict {
    padding-left: 13px;
  }

  .page-disclaimer .clause__list li {
    padding-left: 22px;
    font-size: 16px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disclaimer-hero__glow {
    animation: none;
  }

  .page-disclaimer .disclaimer-toc__link,
  .page-disclaimer .clause__body a,
  .page-disclaimer .path-strip {
    transition: none;
  }

  .page-disclaimer .path-strip:hover,
  .page-disclaimer .path-strip:focus-visible {
    transform: none;
  }
}