:root {
  --primary: #2ecc71;
  --primary-dark: #27ae60;
  --dark: #14213d;
  --text: #1a1a2e;
  --text-muted: #5a6578;
  --border: rgba(20, 33, 61, 0.08);
  --bg-alt: #f8fafe;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

.page-header {
  background: linear-gradient(135deg, #ecfdf5 0%, var(--bg-alt) 100%);
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.page-header:has(.page-header__link),
.page-header:has(h1) {
  background: linear-gradient(135deg, var(--dark) 0%, #1f3561 100%);
  color: #fff;
  padding: 48px 0 40px;
  border-bottom: none;
}

.page-header .container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-header__title {
  font-size: 1.4rem;
  color: var(--dark);
}

.page-header__title a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.95rem;
}

.page-header__title a:hover {
  text-decoration: underline;
}

.page-header__link {
  display: inline-block;
  color: #a8e6cf;
  text-decoration: none;
  margin-bottom: 18px;
  font-size: 0.95rem;
}

.page-header__link:hover {
  text-decoration: underline;
}

.page-header h1 {
  font-family: 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
}

.page-header__meta {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
}

.doc {
  padding: 36px 0 60px;
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

.page-header:has(.page-header__link) + .doc,
.page-header:has(.page-header__link) + .container.doc,
.page-header:has(h1) + .doc,
.page-header:has(h1) + .container.doc {
  padding-top: 44px;
}

.doc .container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.doc h1 {
  font-family: 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1.5rem;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.35;
}

.page-header + .doc h1,
.page-header + .container.doc h1,
.doc > .container > h1:first-child {
  text-align: center;
  margin-bottom: 8px;
}

.doc h2 {
  font-family: 'Montserrat', 'Segoe UI', sans-serif;
  font-size: 1.15rem;
  color: var(--dark);
  margin: 28px 0 12px;
}

.doc h2:first-child {
  margin-top: 0;
}

.doc h3 {
  font-size: 1rem;
  color: var(--dark);
  margin: 20px 0 10px;
}

.doc p {
  margin-bottom: 12px;
}

.doc ol,
.doc ul {
  margin: 0 0 12px 24px;
}

.doc li {
  margin-bottom: 6px;
}

.doc strong {
  color: var(--dark);
}

.doc a {
  color: var(--primary-dark);
  text-decoration: underline;
}

.doc a:hover {
  color: var(--primary);
}

.doc__date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  text-align: center;
}

.page-header:has(.page-header__link) + .doc .doc__date,
.page-header:has(h1) + .doc .doc__date {
  text-align: left;
}

.doc__meta {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 24px 0;
  font-size: 0.95rem;
}

.doc__meta p {
  margin-bottom: 6px;
}

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

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 0.92rem;
}

.doc th,
.doc td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}

.doc th {
  background: var(--bg-alt);
  color: var(--dark);
}

.doc table .doc-table__code {
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.doc table .doc-table__price {
  white-space: nowrap;
  text-align: right;
  font-weight: 600;
  color: var(--dark);
}

.doc__note,
.doc-note {
  background: rgba(46, 204, 113, 0.08);
  border-left: 3px solid var(--primary);
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.95rem;
}

.doc-note {
  border-left-width: 4px;
  border-radius: 8px;
  padding: 16px 20px;
}

.filelist {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.filelist li {
  margin-bottom: 10px;
}

.filelist a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color 0.2s, color 0.2s;
}

.filelist a:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.filelist .file-ico {
  flex-shrink: 0;
}

.filelist .file-ext {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(46, 204, 113, 0.12);
  border-radius: 6px;
  padding: 2px 8px;
}

.reg {
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 16px 0 8px;
}

.controller {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.controller strong {
  display: block;
  color: var(--dark);
}

.doc-footer {
  border-top: 1px solid var(--border);
  margin-top: 44px;
  padding-top: 22px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-top: 36px;
  color: var(--primary-dark);
  text-decoration: none;
  font-size: 0.95rem;
}

.back-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 640px) {
  .doc h1 {
    font-size: 1.25rem;
  }

  .doc {
    padding: 24px 0 40px;
  }

  .doc table {
    font-size: 0.85rem;
  }

  .doc th,
  .doc td {
    padding: 6px 8px;
  }

  .page-header:has(.page-header__link),
  .page-header:has(h1) {
    padding: 36px 0 30px;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }
}