*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;font-size:18px;line-height:1.6;color:#222;background:#f5f7fa}
a{color:#164580;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
ol{padding: 0 2em}

/* ===== HEADER ===== */
#site-header{
  background:#164580;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 14px;
  max-width:960px;
  margin:0 auto;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  color:#fff;
  text-decoration:none;
}
.logo img{
  width:40px;
  height:40px;
  flex-shrink:0;
  border-radius:50%;
  background:#fff;
  object-fit:contain;
  background: #164580;
}
.logo-text{
  color:#fff;
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.logo:hover{text-decoration:none;opacity:.92}

/* burger — белый */
.burger{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
  border-radius:6px;
  transition:background .2s;
}
.burger:hover{background:rgba(255,255,255,.12)}
.burger span{
  display:block;
  width:24px;
  height:2px;
  background:#fff;
  border-radius:2px;
  transition:transform .3s,opacity .3s;
}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}


/* ===== MOBILE NAV (full screen overlay) ===== */
#main-nav{
  display:none;
  position:fixed;
  top:60px;
  left:0;
  right:0;
  bottom:0;
  background:rgba(0,0,0,.5);
  z-index:99;
}
#main-nav.open{display:block}
#main-nav ul{
  list-style:none;
  background:#fff;
  margin:8px;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 4px 16px rgba(0,0,0,.2);
}
#main-nav li a{
  display:block;
  padding:14px 16px;
  font-size:16px;
  color:#164580;
  border-bottom:1px solid #eee;
}
#main-nav li:last-child a{border-bottom:none}
#main-nav li a:hover{text-decoration:none;background:#e8f0fe}
#main-nav li a.current{background:#e8f0fe;font-weight:700}
.nav-phone a{
  color:#164580;
  font-weight:700;
}

/* ===== BOTTOM MENU (left-bottom, mobile) ===== */
#bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #ddd;z-index:100;box-shadow:0 -2px 6px rgba(0,0,0,.08)}
#bottom-nav ul{display:flex;list-style:none;justify-content:space-around;padding:4px 0}
#bottom-nav li a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;font-size:10px;color:#555;min-width:48px}
#bottom-nav li a:hover,#bottom-nav li a.active{color:#164580;text-decoration:none}
/* #bottom-nav li a .icon{width:24px;height:24px;flex-shrink:0} */

/* ===== MAIN CONTENT ===== */
#wrapper{max-width:960px;margin:0 auto;padding:16px 12px 72px}
h1{text-align:center;color:#164580;font-size:22px;margin:16px 0 12px}
h2{color:#164580;font-size:18px;margin:20px 0 8px;padding-left:8px;border-left:3px solid #164580}
p{margin:8px 0}
.content{background:#fff;padding:16px;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.06)}

/* ===== ACCORDION (details/summary) ===== */
details{background:#fff;border:1px solid #ddd;border-radius:8px;margin:12px 0;overflow:hidden}
details[open]{border-color:#164580}
summary{
  user-select: none;
  padding:14px 16px 14px 44px;          /* слева место под плюс */
  font-size:18px;
  font-weight:700;
  color:#164580;
  cursor:pointer;
  list-style:none;
  position:relative;                    /* для позиционирования плюса */
  display:flex;
  align-items:center;
  gap:8px;
}
summary::-webkit-details-marker{display:none}
summary::before{
  content:"+";
  position:absolute;
  left:14px;
  top:50%;
  width:20px;
  height:20px;
  line-height:18px;
  text-align:center;
  font-size:20px;
  font-weight:400;
  color:#164580;
  transform:translateY(-50%) rotate(0deg);
  transition:transform .25s ease;
}
details[open]>summary::before{
  transform:translateY(-50%) rotate(45deg);   /* + превращается в × */
}
details>div{padding:8px 16px 16px}

/* ===== GROUP CARDS ===== */
.group{border:1px solid #e0e0e0;border-radius:8px;padding:14px;margin:10px 0;background:#fafbfc}
.group h2{font-size:16px;margin:0 0 6px;border:none;padding:0;color:#0059b3}
.group p{margin:4px 0;font-size:15px}
.group ul{margin:6px 0 6px 18px;font-weight:600}
.group ul li{margin:2px 0}
.group p a{font-weight:600}
.notes{font-weight:400;font-size:14px;color:#555}

/* ===== FOOTER ===== */
#site-footer{text-align:center;padding:16px 12px 80px;background:#fff;border-top:1px solid #ddd;margin-top:20px}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;margin-bottom:8px}
.footer-nav a{font-size:13px;color:#555}
.footer-nav a:hover{color:#164580;text-decoration:none}
.copyright{font-size:12px;color:#999}

/* ===== QUOTES ===== */
blockquote{margin:16px 0;padding:12px 16px;background:#f0f4fa;border-left:4px solid #164580;border-radius:0 8px 8px 0;font-style:italic}
blockquote p{margin:4px 0}
cite{display:block;text-align:right;font-size:14px;color:#666;margin-top:8px}

/* ===== LISTS ===== */
.content>ul{margin:12px 0 12px 20px}
.content>ul li{margin:6px 0}

/* ===== LINK BUTTON ===== */
.btn-link{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:#164580;color:#fff;border-radius:6px;font-size:15px;transition:background .2s}
.btn-link:hover{background:#0d3270;text-decoration:none;color:#fff}

/* ===== SVG LINK (MAX, VK) ===== */
.svg-link{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:#164580;font-weight:600}
.svg-link:hover{text-decoration:underline}
.svg-link img{width:24px;height:24px}

/* ===== DESKTOP (>=768px) ===== */
@media(min-width:768px){
  .burger{display:none}

  #site-header{position:static;box-shadow:0 2px 8px rgba(0,0,0,.12)}
  .header-inner{padding:14px 20px}
  .logo img{width:48px;height:48px}
  .logo-text{font-size:16px}

  #main-nav{
    position:static;
    display:block;
    background:#164580;
    border-top:1px solid rgba(255,255,255,.15);
  }
  #main-nav ul{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:2px;
    background:none;
    margin:0;
    padding:6px 12px;
    box-shadow:none;
    border-radius:0;
    max-width:960px;
    margin:0 auto;
  }
  #main-nav li a{
    padding:8px 12px;
    border-bottom:none;
    font-size:14px;
    color:#fff;
    border-radius:6px;
    transition:background .2s;
  }
  #main-nav li a:hover{background:rgba(255,255,255,.15);text-decoration:none}
  #main-nav li a.current{background:rgba(255,255,255,.25);font-weight:700}
  .nav-phone a{background:rgba(255,255,255,.12);font-weight:700}
  .nav-phone a:hover{background:rgba(255,255,255,.22)}

  #bottom-nav{display:none}
  #wrapper{padding:24px 20px}
  h1{font-size:26px}
  h2{font-size:20px}
  .content{padding:24px}
  .group{padding:18px}
  #site-footer{padding:20px 12px}
}



/* нижнее меню в мобильном представлении */
#bottom-nav ul {
  display: flex;
  justify-content: space-around;
  list-style: none;
  padding: 0;
  margin: 0;
}
#bottom-nav a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: .5rem 1rem;
}
#bottom-nav a.active {font-weight: bold; color: #0044cc;} /* ваш вариант активного состояния */