/* =============================================
   WHERO — Legal / Document Pages
   Soft white light theme
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --paper:   #F8F8F8;
  --paper-2: #F2F2F2;
  --paper-3: #EBEBEB;
  --ink:     #1A1A1A;
  --bg:      var(--paper);
  --bg2:     var(--paper-2);
  --bg3:     var(--paper-3);
  --white:   var(--ink);
  --g1:      rgba(26, 26, 26, 0.94);
  --g2:      rgba(26, 26, 26, 0.70);
  --g3:      rgba(26, 26, 26, 0.46);
  --g4:      rgba(0, 0, 0, 0.04);
  --border:  rgba(0, 0, 0, 0.09);
  --border2: rgba(0, 0, 0, 0.13);
  --accent:  rgba(26, 26, 26, 0.78);
  --font:    'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  position: relative;
  background-color: var(--paper);
  color: var(--g1);
  font-family: var(--font);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 纸张纹理：深色噪点图 × 柔白底，multiply 叠出轻微质感 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--paper);
  background-image: url('../assets/image/background.png');
  background-size: 512px 512px;
  background-repeat: repeat;
  opacity: 0.045;
  mix-blend-mode: multiply;
  pointer-events: none;
}

::selection { background: var(--ink); color: var(--paper); }

::-webkit-scrollbar          { width: 2px; }
::-webkit-scrollbar-track    { background: var(--paper-2); }
::-webkit-scrollbar-thumb    { background: rgba(0, 0, 0, 0.16); border-radius: 2px; }

/* =============================================
   HEADER / NAV
   ============================================= */
.l-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 248, 248, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.l-header-inner {
  max-width: 900px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
  box-sizing: border-box;
}

.l-logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--white);
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.l-logo::after {
  content: '法律文档';
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--g3);
  border-left: 1px solid var(--border2);
  padding-left: 10px;
  margin-left: 2px;
}

.l-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.l-nav a {
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--g2);
  text-decoration: none;
  padding: 2px 10px 0;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.l-nav a:hover { color: var(--white); background: var(--g4); }
.l-nav a.active { color: var(--white); }

.l-nav .l-back {
  color: var(--g3);
  border-left: 1px solid var(--border);
  margin-left: 8px;
  padding-left: 14px;
}

.l-nav .l-back:hover { color: var(--white); background: transparent; }

/* =============================================
   PAGE WRAPPER
   ============================================= */
.l-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 40px 100px;
}

/* =============================================
   DOCUMENT HERO
   ============================================= */
.l-hero {
  border-bottom: 1px solid var(--border);
  padding-bottom: 40px;
  margin-bottom: 48px;
}

.l-hero-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--g3);
  border: 1px solid var(--border2);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.l-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--white);
  margin-bottom: 16px;
}

.l-meta {
  font-size: 13px;
  color: var(--g3);
  line-height: 1.8;
}

.l-meta a { color: var(--g3); text-decoration: underline; text-underline-offset: 3px; }
.l-meta a:hover { color: var(--g2); }

/* =============================================
   TOC
   ============================================= */
.l-toc {
  margin-bottom: 48px;
  padding: 24px 28px;
  border: 1px solid var(--border2);
  background: var(--bg3);
  border-radius: 2px;
}

.l-toc-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--g3);
  margin-bottom: 16px;
}

.l-toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
}

.l-toc-links a {
  display: block;
  font-size: 13px;
  color: var(--g2);
  text-decoration: none;
  padding: 3px 0;
  margin-right: 16px;
  transition: color 0.2s;
  white-space: nowrap;
}

.l-toc-links a:hover { color: var(--white); }

/* =============================================
   ARTICLE BODY
   ============================================= */
.l-body h2 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--white);
  margin: 48px 0 16px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.l-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.l-body h2 .h2-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
  border-radius: 0;
  flex-shrink: 0;
  aspect-ratio: 1 / 1;
}

.l-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--g2);
  margin-bottom: 16px;
}

.l-body ul, .l-body ol {
  padding-left: 1.4em;
  margin-bottom: 16px;
}

.l-body li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--g2);
  margin-bottom: 8px;
}

.l-body li::marker { color: var(--g3); }

.l-body strong { color: var(--g1); font-weight: 600; }

.l-body a {
  color: var(--g2);
  text-underline-offset: 3px;
}

.l-body a:hover { color: var(--g1); }

.l-hint {
  font-size: 13px;
  color: var(--g3);
  margin-bottom: 16px;
}

/* Lead / intro paragraph */
.l-body .l-lead {
  font-size: 16px;
  color: var(--g1);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* Notice / warning box */
.l-notice {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 2px solid var(--g3);
  background: var(--bg3);
  font-size: 14px;
  color: var(--g2);
  line-height: 1.8;
}

.l-notice strong { color: var(--g1); }

/* =============================================
   TABLES
   ============================================= */
.l-table-wrap {
  overflow-x: auto;
  margin: 20px 0 28px;
  border: 1px solid var(--border);
}

.l-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 480px;
}

.l-table-wrap th {
  background: var(--bg3);
  color: var(--g1);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border2);
  white-space: nowrap;
}

.l-table-wrap td {
  padding: 12px 16px;
  color: var(--g2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.7;
}

.l-table-wrap tr:last-child td { border-bottom: none; }

.l-table-wrap tr:hover td { background: var(--g4); }

/* =============================================
   FOOTER
   ============================================= */
.l-footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: block;
}

.l-footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.l-footer-brand {
  flex: 1 1 300px;
  min-width: 240px;
}

.l-footer-logo {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--white);
  margin-bottom: 8px;
}

.l-footer-desc {
  font-size: 12px;
  line-height: 1.7;
  color: var(--g3);
  margin: 0;
}

.l-footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}

.l-footer-links a {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--g3);
  text-decoration: none;
  transition: color 0.2s;
}

.l-footer-links a:hover { color: var(--g1); }

.l-footer-bottom {
  padding-top: 20px;
  text-align: center;
}

.l-footer-bottom p {
  font-size: 11px;
  line-height: 1.7;
  color: var(--g3);
  margin: 4px 0;
}

.l-copyright {
  letter-spacing: 0.02em;
}

.l-beian a {
  color: var(--g3);
  text-decoration: none;
  transition: color 0.2s;
}

.l-beian a:hover {
  color: var(--g1);
}

.l-beian-sep {
  color: var(--g3);
  margin: 0 2px;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .l-header  { padding: 0 20px; }
  .l-logo::after { display: none; }
  .l-nav a   { padding: 4px 6px; }
  .l-nav .l-back { display: none; }
  .l-wrap    { padding: 32px 20px 80px; }
  .l-toc     { padding: 18px 20px; }
  .l-body h2 { font-size: 15px; }
}

@media (max-width: 480px) {
  .l-hero h1 { letter-spacing: -1px; }
  .l-nav { gap: 0; }
  .l-nav a { font-size: 11px; }
}