/* ============ RESET ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: Geneva, Arial, Helvetica, sans-serif;
  background: #fff;
  color: #000;
  line-height: 1.5;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #0000cc; }
a:hover { color: #ff0000; }

/* ============ HEADER ============ */
.site-header {
  background: #fff;
  border-bottom: 1px solid #000;
}
.header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 0.75rem 0;
  gap: 0.5rem;
}
.header-logo {
    /* flex: 1 1 400px; */
  max-width: 720px;
}
.header-logo img {
  width: 100%;
  height: auto;
}
.header-banner {
  flex: 0 0 auto;
  max-width: 160px;
}
.header-banner img {
  width: 100%;
  height: auto;
}

/* ============ NAV ============ */
.main-nav {
  background: #000;
  margin-top: 0.5rem;
}
.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 0.5rem;
}
.main-nav a {
  display: block;
  color: #fff;
  padding: 0.6rem 1rem;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95rem;
}
.main-nav a:hover {
  background: #333;
  color: #ff0;
}

/* ============ LAYOUT ============ */
.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 0.75rem;
}
.layout {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-start;
}

/* ============ SIDEBAR ============ */
.sidebar {
  flex: 1 1 240px;
  max-width: 280px;
  background: #f4f4f4;
  border: 1px solid #ccc;
  padding: 0.75rem;
}
.sidebar h3 {
  background: #000;
  color: #fff;
  font-size: 0.95rem;
  padding: 0.4rem 0.6rem;
  margin: -0.75rem -0.75rem 0.6rem -0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar ul {
  list-style: none;
}
.sidebar li {
  border-bottom: 1px dotted #bbb;
}
.sidebar li:last-child { border-bottom: none; }
.sidebar a {
  display: block;
  padding: 0.35rem 0.2rem;
  text-decoration: none;
  color: #000;
  font-size: 0.9rem;
}
.sidebar a:hover {
  background: #ffe;
  color: #c00;
}

/* ============ CONTENT ============ */
.content {
  flex: 3 1 500px;
  min-width: 0;
}
.content h1 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid #000;
  padding-bottom: 0.3rem;
}
.content h2 {
  font-size: 1.15rem;
  margin: 1.25rem 0 0.5rem;
  color: #c00;
}
.content p {
  margin-bottom: 0.75rem;
}
.intro-red {
  color: #c00;
  font-weight: bold;
}
.intro-blue {
  color: #0000cc;
  font-style: italic;
}
.cartoon-block {
  text-align: center;
  margin: 1.5rem 0;
}
.cartoon-block img {
  display: inline-block;
  max-width: 349px;
  width: 100%;
}

/* ============ NEWS ============ */
.news-list {
  list-style: none;
  border-top: 1px solid #ccc;
}
.news-list li {
  border-bottom: 1px solid #eee;
  padding: 0.6rem 0;
  font-size: 0.92rem;
}
.news-list .date {
  font-weight: bold;
  color: #c00;
}
.news-list a {
  font-style: italic;
  color: #0000cc;
}

/* ============ ACTION BOX ============ */
.action-box {
  background: #ffffcc;
  border: 1px solid #cc9;
  padding: 0.9rem;
  margin: 1.5rem 0;
}
.action-box h3 {
  color: #c00;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.action-box .step {
  font-size: 1.3rem;
  font-weight: bold;
  color: #c00;
}

/* ============ FOOTER ============ */
.site-footer {
  background: #000;
  color: #fff;
  margin-top: 2rem;
  padding: 1rem 0.75rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.footer-inner p { font-size: 0.85rem; }
.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
}
.footer-links a:hover {
  color: #ff0;
  text-decoration: underline;
}

/* ============ MOBILE ============ */
@media (max-width: 820px) {
  .layout { flex-direction: column; }
  .sidebar { max-width: 100%; flex: 1 1 100%; }
  .header-top { flex-direction: column; align-items: flex-start; }
  .header-banner { max-width: 120px; }
}
@media (max-width: 520px) {
  .main-nav ul { flex-direction: column; }
  .main-nav a { border-bottom: 1px solid #222; }
  .content h1 { font-size: 1.2rem; }
  body { font-size: 15px; }
}