/* ============================================
   page-disclaimer 专属样式
   作用域：所有选择器限定在 .page-disclaimer 内
   ============================================ */

/* ---- 变量定义 ---- */
.page-disclaimer {
  --disc-hero-min-h: 320px;
  --disc-number-size: 5rem;
  --disc-number-color: var(--brand-primary, #E53935);
  --disc-border-color: var(--brand-primary, #E53935);
  --disc-highlight-bg: rgba(229, 57, 53, 0.06);
  --disc-section-gap: 60px;
  --disc-body-max-w: 780px;
  color: var(--text-primary, #FFFFFF);
  background-color: var(--bg-primary, #0D0D0D);
}

/* ---- 英雄区 ---- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  min-height: var(--disc-hero-min-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--bg-secondary, #1A1A1A);
}

.page-disclaimer .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.2;
  z-index: 0;
  filter: grayscale(1) contrast(1.3);
}

.page-disclaimer .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,13,0.92) 40%, rgba(13,13,13,0.6) 80%);
  z-index: 1;
}

.page-disclaimer .hero-angle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 35%;
  height: 100%;
  background: linear-gradient(145deg, transparent 40%, rgba(229,57,53,0.08) 90%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
  pointer-events: none;
}

.page-disclaimer .hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 48px 24px 56px;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--font-mono, "Fira Code", monospace);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-secondary, #B0BEC5);
}

.page-disclaimer .breadcrumb-link {
  color: var(--text-secondary, #B0BEC5);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
  position: relative;
}

.page-disclaimer .breadcrumb-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--disc-border-color);
  transition: width var(--transition-smooth, 0.35s cubic-bezier(0.4,0,0.2,1));
}

.page-disclaimer .breadcrumb-link:hover,
.page-disclaimer .breadcrumb-link:focus-visible {
  color: var(--brand-primary, #E53935);
}

.page-disclaimer .breadcrumb-link:hover::after,
.page-disclaimer .breadcrumb-link:focus-visible::after {
  width: 100%;
}

.page-disclaimer .breadcrumb-sep {
  color: var(--border-subtle, #37474F);
  font-weight: 300;
}

.page-disclaimer .breadcrumb-current {
  color: var(--neutral-light, #B0BEC5);
  font-weight: 600;
}

/* 标题 */
.page-disclaimer .hero-title {
  font-family: var(--font-heading, Oswald, Impact, sans-serif);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 12px;
  position: relative;
  display: inline-block;
}

.page-disclaimer .hero-title::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 48px;
  height: 3px;
  background: var(--disc-border-color);
}

.page-disclaimer .hero-desc {
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary, #B0BEC5);
  max-width: 600px;
  margin: 20px 0 0;
}

/* ---- 内容区 ---- */
.page-disclaimer .disclaimer-content {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 48px 24px 20px;
}

/* 章节通用 */
.page-disclaimer .disclaimer-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: var(--disc-section-gap);
  position: relative;
}

.page-disclaimer .disclaimer-section:last-of-type {
  margin-bottom: 0;
}

/* 章节编号 */
.page-disclaimer .section-number {
  font-family: var(--font-heading, Oswald, Impact, sans-serif);
  font-size: var(--disc-number-size);
  font-weight: 700;
  line-height: 1;
  color: var(--disc-number-color);
  opacity: 0.15;
  user-select: none;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

/* 章节内部 */
.page-disclaimer .section-inner {
  flex: 1;
}

/* 章节标题 */
.page-disclaimer .section-title {
  font-family: var(--font-heading, Oswald, Impact, sans-serif);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 16px;
  letter-spacing: 0.01em;
  position: relative;
  padding-left: 12px;
  border-left: 3px solid var(--disc-border-color);
}

/* 正文 */
.page-disclaimer .section-body {
  max-width: var(--disc-body-max-w);
}

.page-disclaimer .body-paragraph {
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary, #B0BEC5);
  margin: 0 0 14px;
}

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

/* ---- 重要声明框（红色边框） ---- */
.page-disclaimer .highlight-box {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  margin-top: 20px;
  border: 1px solid var(--disc-border-color);
  border-left: 4px solid var(--disc-border-color);
  background: var(--disc-highlight-bg);
  border-radius: 0;
  transition: background var(--transition-fast, 0.2s ease),
              border-color var(--transition-fast, 0.2s ease);
}

.page-disclaimer .highlight-box:hover {
  background: rgba(229, 57, 53, 0.10);
  border-color: #ff5252;
}

.page-disclaimer .highlight-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  opacity: 0.9;
}

.page-disclaimer .highlight-text {
  flex: 1;
  min-width: 0;
}

.page-disclaimer .highlight-main {
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary, #FFFFFF);
  font-weight: 500;
  margin: 0 0 8px;
}

/* 展开触发器 */
.page-disclaimer .expand-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px 0;
  font-family: var(--font-mono, "Fira Code", monospace);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--disc-number-color);
  cursor: pointer;
  opacity: 0.8;
  transition: opacity var(--transition-fast, 0.2s ease),
              color var(--transition-fast, 0.2s ease);
  position: relative;
}

.page-disclaimer .expand-trigger::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth, 0.35s cubic-bezier(0.4,0,0.2,1));
}

.page-disclaimer .expand-trigger:hover,
.page-disclaimer .expand-trigger:focus-visible {
  opacity: 1;
  color: #ff5252;
}

.page-disclaimer .expand-trigger:hover::after,
.page-disclaimer .expand-trigger:focus-visible::after {
  transform: scaleX(1);
}

.page-disclaimer .expand-trigger[aria-expanded="true"]::before {
  content: '− ';
}

.page-disclaimer .expand-trigger[aria-expanded="false"]::before {
  content: '+ ';
}

/* 展开内容 */
.page-disclaimer .expand-content {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(229, 57, 53, 0.2);
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary, #B0BEC5);
}

.page-disclaimer .expand-content[hidden] {
  display: none;
}

/* ---- 底部链接与工具 ---- */
.page-disclaimer .disclaimer-footer {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 48px 24px 40px;
  border-top: 1px solid var(--border-subtle, #37474F);
  margin-top: 48px;
}

.page-disclaimer .footer-links-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.page-disclaimer .links-label {
  font-family: var(--font-mono, "Fira Code", monospace);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary, #B0BEC5);
  opacity: 0.6;
}

.page-disclaimer .links-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.page-disclaimer .footer-link-item {
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 0.9rem;
  color: var(--text-secondary, #B0BEC5);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-disclaimer .footer-link-item::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--disc-border-color);
  transition: width var(--transition-smooth, 0.35s cubic-bezier(0.4,0,0.2,1));
}

.page-disclaimer .footer-link-item:hover,
.page-disclaimer .footer-link-item:focus-visible {
  color: var(--brand-primary, #E53935);
}

.page-disclaimer .footer-link-item:hover::after,
.page-disclaimer .footer-link-item:focus-visible::after {
  width: 100%;
}

/* 打印按钮 */
.page-disclaimer .footer-tools {
  margin-bottom: 20px;
}

.page-disclaimer .print-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border-subtle, #37474F);
  padding: 8px 18px;
  font-family: var(--font-mono, "Fira Code", monospace);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary, #B0BEC5);
  cursor: pointer;
  transition: border-color var(--transition-fast, 0.2s ease),
              color var(--transition-fast, 0.2s ease),
              background var(--transition-fast, 0.2s ease);
}

.page-disclaimer .print-btn:hover,
.page-disclaimer .print-btn:focus-visible {
  border-color: var(--disc-border-color);
  color: var(--brand-primary, #E53935);
  background: rgba(229, 57, 53, 0.05);
}

.page-disclaimer .print-btn svg {
  flex-shrink: 0;
}

/* 信任声明 */
.page-disclaimer .trust-note {
  font-family: var(--font-body, Roboto, "Noto Sans SC", sans-serif);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-secondary, #B0BEC5);
  opacity: 0.5;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle, #37474F);
}

/* ---- 桌面端（≥768px） ---- */
@media (min-width: 768px) {
  .page-disclaimer .hero-content {
    padding: 64px 40px 72px;
  }

  .page-disclaimer .hero-title {
    font-size: 3.6rem;
  }

  .page-disclaimer .hero-desc {
    font-size: 1.1rem;
  }

  .page-disclaimer .disclaimer-content {
    padding: 60px 40px 32px;
  }

  .page-disclaimer .disclaimer-section {
    flex-direction: row;
    gap: 32px;
  }

  .page-disclaimer .section-number {
    font-size: 6.5rem;
    opacity: 0.12;
    min-width: 100px;
    text-align: right;
    line-height: 0.9;
  }

  .page-disclaimer .section-title {
    font-size: 1.8rem;
    padding-left: 16px;
  }

  .page-disclaimer .body-paragraph {
    font-size: 1rem;
  }

  .page-disclaimer .highlight-box {
    padding: 22px 28px;
  }

  .page-disclaimer .highlight-main {
    font-size: 1rem;
  }

  .page-disclaimer .disclaimer-footer {
    padding: 48px 40px 40px;
  }

  .page-disclaimer .footer-links-row {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }

  .page-disclaimer .links-label {
    margin-bottom: 0;
  }
}

/* ---- 宽屏（≥1024px） ---- */
@media (min-width: 1024px) {
  .page-disclaimer .disclaimer-hero {
    min-height: 380px;
  }

  .page-disclaimer .hero-title {
    font-size: 4.2rem;
  }

  .page-disclaimer .hero-title::before {
    width: 64px;
    height: 4px;
  }

  .page-disclaimer .section-number {
    font-size: 8rem;
    min-width: 130px;
  }

  .page-disclaimer .section-title {
    font-size: 2rem;
  }

  .page-disclaimer .body-paragraph {
    font-size: 1.05rem;
  }

  .page-disclaimer .disclaimer-content {
    padding: 72px 48px 40px;
  }

  .page-disclaimer .disclaimer-footer {
    padding: 56px 48px 48px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
  }

  .page-disclaimer .footer-links-row {
    margin-bottom: 0;
  }

  .page-disclaimer .footer-tools {
    margin-bottom: 0;
    align-self: center;
  }

  .page-disclaimer .trust-note {
    width: 100%;
    margin-top: 24px;
  }
}

/* ---- 超大屏（≥1440px） ---- */
@media (min-width: 1440px) {
  .page-disclaimer .hero-title {
    font-size: 4.8rem;
  }

  .page-disclaimer .section-number {
    font-size: 9rem;
    min-width: 150px;
  }

  .page-disclaimer .section-title {
    font-size: 2.2rem;
  }
}

/* ---- 打印样式 ---- */
@media print {
  .page-disclaimer .disclaimer-hero {
    min-height: auto;
    padding: 40px 0;
    background: none !important;
  }

  .page-disclaimer .hero-bg-img,
  .page-disclaimer .hero-overlay,
  .page-disclaimer .hero-angle {
    display: none !important;
  }

  .page-disclaimer .breadcrumb {
    font-size: 10pt;
    color: #333;
  }

  .page-disclaimer .hero-title {
    color: #000;
    font-size: 28pt;
  }

  .page-disclaimer .hero-title::before {
    background: #cc0000;
  }

  .page-disclaimer .hero-desc,
  .page-disclaimer .body-paragraph,
  .page-disclaimer .highlight-main,
  .page-disclaimer .expand-content,
  .page-disclaimer .trust-note {
    color: #222 !important;
  }

  .page-disclaimer .highlight-box {
    border-color: #cc0000;
    background: #fafafa;
  }

  .page-disclaimer .expand-trigger,
  .page-disclaimer .print-btn {
    display: none;
  }

  .page-disclaimer .expand-content[hidden] {
    display: block !important;
  }

  .page-disclaimer .disclaimer-footer {
    border-top-color: #ccc;
  }
}