/* ==========================================================
   使用须知 / Disclaimer
   作用域：.page-disclaimer
   ========================================================== */

.page-disclaimer {
  --disclaimer-content-max: 820px;
  --disclaimer-red-bg: rgba(192, 57, 43, 0.08);
  --disclaimer-grid: rgba(255, 255, 255, 0.035);
  --disclaimer-media-w: 200px;
  padding: clamp(24px, 5vw, 48px) 0 clamp(72px, 10vw, 120px);
}

/* 顶部渐变光轨 */
.page-disclaimer > .container::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--gradient);
  margin-bottom: clamp(28px, 4vw, 40px);
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* 页面头部 */
.page-disclaimer .page-header {
  max-width: var(--disclaimer-content-max);
  margin-bottom: clamp(32px, 5vw, 48px);
}

.page-disclaimer .page-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.page-disclaimer .page-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  padding-left: 18px;
  border-left: 4px solid var(--gold);
}

.page-disclaimer .page-header__lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 640px;
}

/* 顶部内容上新通知 */
.page-disclaimer .disclaimer-notice {
  position: relative;
  max-width: var(--disclaimer-content-max);
  margin-bottom: clamp(36px, 6vw, 56px);
  padding: 18px 24px 18px 48px;
  background: var(--disclaimer-red-bg);
  border-left: 3px solid var(--red);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .disclaimer-notice p {
  margin: 0;
}

.page-disclaimer .disclaimer-notice__mark {
  position: absolute;
  left: 18px;
  top: 26px;
  width: 10px;
  height: 10px;
  background: var(--red);
  transform: rotate(45deg);
}

/* 主布局：文本列 + 装饰图列 */
.page-disclaimer .disclaimer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

/* 文档主体 */
.page-disclaimer .disclaimer-content {
  position: relative;
  max-width: var(--disclaimer-content-max);
  border: 1px solid var(--line);
  background-color: rgba(18, 36, 59, 0.45);
  background-image:
    linear-gradient(var(--disclaimer-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--disclaimer-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: clamp(20px, 3vw, 32px);
}

/* 文档区块 */
.page-disclaimer .doc-section {
  position: relative;
  padding: clamp(28px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 140px;
}

.page-disclaimer .doc-section:first-child {
  padding-top: 0;
}

.page-disclaimer .doc-section:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

/* 章节标题 */
.page-disclaimer .doc-section__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(16px, 3vw, 24px);
}

.page-disclaimer .doc-section__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  white-space: nowrap;
}

.page-disclaimer .doc-section__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  position: relative;
  padding-bottom: 6px;
  cursor: default;
}

/* 条款标题悬停下划线 */
.page-disclaimer .doc-section__header h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.page-disclaimer .doc-section__header h2:hover::after {
  transform: scaleX(1);
}

/* 警示区块共用红色左线 */
.page-disclaimer .doc-section--warning,
.page-disclaimer .doc-section--prohibition {
  border-left: 3px solid var(--red);
  padding-left: clamp(24px, 4vw, 36px);
}

.page-disclaimer .doc-section--warning .doc-section__num,
.page-disclaimer .doc-section--prohibition .doc-section__num {
  color: var(--red);
}

.page-disclaimer .doc-section--warning .doc-section__header h2::after,
.page-disclaimer .doc-section--prohibition .doc-section__header h2::after {
  background: var(--red);
}

/* 正文排版 */
.page-disclaimer .prose p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
  margin: 0 0 16px;
}

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

/* 红色重点注释条目 */
.page-disclaimer .note-item {
  position: relative;
  margin: 0 0 16px;
  padding-left: 40px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text);
}

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

.page-disclaimer .note-icon {
  position: absolute;
  left: 8px;
  top: 8px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--red);
  border-radius: 0;
  box-sizing: border-box;
  background: transparent;
  transform: rotate(45deg);
}

.page-disclaimer .note-icon::after {
  content: "!";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
}

/* 禁止行为列表 */
.page-disclaimer .prohibition-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .prohibition-list__item {
  position: relative;
  margin: 0;
  padding: 16px 0 16px 48px;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .prohibition-list__item:first-child {
  border-top: none;
}

.page-disclaimer .prohibition-list__mark {
  position: absolute;
  left: 18px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--red);
  transform: rotate(45deg);
}

/* 联系列表 */
.page-disclaimer .contact-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-disclaimer .contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text);
}

.page-disclaimer .contact-list__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* 链接 */
.page-disclaimer a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.page-disclaimer a:hover {
  border-bottom-color: var(--gold);
}

/* 右侧装饰图 */
.page-disclaimer .disclaimer-aside {
  display: none;
}

/* ========== 桌面端 ========== */
@media (min-width: 1024px) {
  .page-disclaimer .disclaimer-layout {
    grid-template-columns: minmax(0, var(--disclaimer-content-max)) var(--disclaimer-media-w);
    gap: clamp(40px, 6vw, 80px);
  }

  .page-disclaimer .disclaimer-aside {
    display: block;
    position: sticky;
    top: 120px;
  }

  .page-disclaimer .disclaimer-media {
    margin: 0;
    border: 1px solid var(--line);
    background: var(--bg-raised);
  }

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

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-section__header h2::after,
  .page-disclaimer a {
    transition: none;
  }
}