:root{
  --site-ink:#111827;
  --site-muted:#667085;
  --site-line:#e7eaf0;
  --site-brand:#5b5cf6;
  --site-brand-2:#7c3aed;
}
.site-header,.site-subservice-bar{
  font-family:Pretendard,"Apple SD Gothic Neo","Malgun Gothic","Segoe UI",Arial,sans-serif;
  font-weight:400;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  min-height:74px;
  padding:0 34px;
  display:flex;
  align-items:center;
  gap:34px;
  border-bottom:1px solid rgba(222,226,234,.95);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(22px) saturate(1.18);
  box-shadow:0 8px 28px rgba(15,23,42,.035);
}
.site-logo{
  flex:0 0 auto;
  min-width:188px;
  display:flex;
  align-items:baseline;
  gap:2px;
  color:inherit;
  text-decoration:none;
}
.site-logo .site-logo-symbol{width:26px;height:30px;object-fit:contain;flex-shrink:0;margin-right:4px;align-self:baseline;transform:translateY(5px)}
.site-logo strong{font-size:30px;line-height:1;color:#123b8f;letter-spacing:-.05em}
.site-logo span{font-size:22px;line-height:1;color:#96a0b5}
.site-logo em{margin-left:9px;font-style:normal;font-size:11px;color:#667085;font-weight:800}
.site-nav{flex:1;display:flex;align-items:center;gap:25px;min-width:0}
.site-nav>a,.site-nav-group>button{
  position:relative;
  min-height:74px;
  display:flex;
  align-items:center;
  gap:6px;
  border:0;
  background:transparent;
  color:#364152;
  font:inherit;
  font-size:14px;
  font-weight:850;
  white-space:nowrap;
  text-decoration:none;
}
.site-nav>a::after,.site-nav-group>button::after{
  content:"";
  position:absolute;
  left:2px;
  right:2px;
  bottom:0;
  height:3px;
  border-radius:999px 999px 0 0;
  background:transparent;
}
.site-nav>a.on,.site-nav-group.on>button{color:var(--site-brand)}
.site-nav>a.on::after,.site-nav-group.on>button::after{background:linear-gradient(90deg,var(--site-brand),var(--site-brand-2))}
.site-nav-group{position:relative}
.site-nav-group>button span{font-size:11px;color:#98a2b3;transition:transform .18s ease}
.site-nav-group:hover>button span,.site-nav-group:focus-within>button span{transform:rotate(180deg)}
.site-mega-menu{
  position:absolute;
  left:-130px;
  top:68px;
  width:560px;
  padding:20px;
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:18px;
  border:1px solid rgba(220,225,234,.98);
  border-radius:20px;
  background:rgba(255,255,255,.98);
  box-shadow:0 24px 70px rgba(15,23,42,.15);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:.18s ease;
}
.site-nav-group:hover .site-mega-menu,.site-nav-group:focus-within .site-mega-menu{opacity:1;visibility:visible;transform:translateY(0)}
.site-mega-menu>div:first-child{padding:10px 12px;border-radius:15px;background:linear-gradient(145deg,#f4f7ff,#f6f2ff)}
.site-mega-menu small{display:block;color:#7c6cf2;font-size:10px;font-weight:950;letter-spacing:.09em}
.site-mega-menu strong{display:block;margin-top:8px;font-size:16px}
.site-mega-menu p{margin:8px 0 0;color:#667085;font-size:12px;line-height:1.65}
.site-mega-menu>.study-promise:first-child{display:flex;flex-direction:column;padding:22px 18px 18px;background:linear-gradient(155deg,#faf9ff,#f0edfc);border:1px solid #e9e3f7;border-radius:18px;box-shadow:inset 0 1px 0 #fff;font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif}
.study-promise>small{color:#7a69ae;font-size:9px;font-weight:700;letter-spacing:.16em}
.study-promise>strong{margin-top:7px;color:#6a627d;font-size:12px;font-weight:600;letter-spacing:-.3px}
.site-mega-menu .study-promise-slogan{margin:22px 0 0;color:#242038;font-size:21px;font-weight:700;line-height:1.55;letter-spacing:-1px;word-break:keep-all}
.study-promise-slogan em{color:#6742cb;font-style:normal;font-weight:700}
.study-free-box{margin:22px 0 24px;padding:17px 8px 16px;text-align:center;color:#fff;border:1px solid #7961d3;border-radius:15px;background:linear-gradient(125deg,#7252d4,#5030ac);box-shadow:0 8px 18px rgba(81,49,170,.16),inset 0 1px 0 #ffffff30}
.study-free-box span{display:block;font-size:11px;font-weight:500;line-height:1.6;letter-spacing:0;color:#eee8ff}
.study-free-box strong{margin:7px 0 8px;color:#fff;font-size:32px;font-weight:800;letter-spacing:-1.4px;line-height:1.2;text-shadow:none;white-space:nowrap}
.study-free-box span:last-child{font-size:10px;letter-spacing:1px;color:#e5dcff}
.site-mega-menu .study-promise-security{margin:auto 0 0;padding-top:14px;border-top:1px solid #ded7ef;color:#716981;font-size:11px;font-weight:400;line-height:1.7;letter-spacing:-.3px;word-break:keep-all}
.site-mega-links{display:grid;gap:8px}
.site-mega-links a{padding:12px 14px;border:1px solid #edf0f4;border-radius:14px;background:#fff;text-decoration:none;color:#202939;transition:.16s ease}
.site-mega-links a:hover,.site-mega-links a.on{border-color:#d8d7ff;background:#f8f7ff;transform:translateX(2px)}
.site-mega-links a span{display:block;font-weight:900}
.site-mega-links a small{margin-top:4px;color:#667085;font-size:11px;font-weight:600;letter-spacing:0}
.site-header-actions{margin-left:auto;display:flex;align-items:center;min-width:0;gap:16px}
.login-counter-badge{display:flex;gap:7px;flex-shrink:0;padding:5px 7px 7px;border:1px solid #d7dce5;border-radius:10px;background:linear-gradient(#f5f6f8,#e5e8ee);box-shadow:0 3px 0 #cbd1dc,0 5px 12px #18233a14}
.login-counter-badge>div{display:flex;flex-direction:column;gap:5px;align-items:stretch;text-align:center}
.login-counter-badge span{font-size:9px;line-height:1.2;color:#576175;font-weight:700;white-space:nowrap;letter-spacing:-.2px}
.login-counter-badge strong{position:relative;display:block;min-width:79px;padding:5px 8px 4px;border:1px solid #141d2c;border-radius:5px;background:linear-gradient(to bottom,#27344b 0%,#27344b 49%,#172236 50%,#1e2a40 100%);color:#fff;font-family:Consolas,"Courier New",monospace;font-size:23px;line-height:1.1;letter-spacing:-1px;font-weight:700;font-variant-numeric:tabular-nums;text-shadow:0 1px 1px #000;box-shadow:inset 0 1px 0 #ffffff20,0 2px 0 #111a2b}
.login-counter-badge strong::before{content:none}
.login-counter-badge strong{background:linear-gradient(110deg,#27344b,#1e2a40)}
.login-counter-badge strong::after{content:"";position:absolute;left:5px;right:5px;top:-4px;height:7px;background:linear-gradient(90deg,#a6afbf 0 3px,transparent 3px calc(100% - 3px),#a6afbf calc(100% - 3px));border-radius:1px;pointer-events:none}
.login-counter-badge .login-counter-today{border:0;padding:0}
.login-counter-badge .login-counter-today strong{color:#ffe18b}
@media(max-width:1350px){.site-header{gap:18px;padding-left:22px;padding-right:22px}.site-nav{gap:16px}.site-logo{min-width:160px}.site-header-actions{gap:10px}}
@media(max-width:1100px){.site-header{flex-wrap:wrap}.site-header-actions{flex-wrap:wrap;justify-content:flex-end}.login-counter-badge strong{font-size:21px;min-width:73px}}
.site-auth-actions{display:flex;align-items:center;gap:9px}
.site-auth-actions a{padding:10px 16px;border:1px solid #dfe3eb;border-radius:12px;color:#475467;font-size:13px;font-weight:850;text-decoration:none;background:#fff}
.site-auth-actions a.primary{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--site-brand),var(--site-brand-2));box-shadow:0 10px 24px rgba(91,92,246,.2)}
.site-account{position:relative}
.site-account-trigger{display:flex;align-items:center;gap:10px;min-height:44px;padding:5px 8px 5px 6px;border:1px solid #e4e8ef;border-radius:999px;background:rgba(255,255,255,.92);color:#344054;box-shadow:0 7px 20px rgba(15,23,42,.05)}
.site-account-avatar,.site-profile-avatar{display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#edf4ff,#eee9ff);color:#4f46e5;font-weight:950}
.site-account-avatar{width:34px;height:34px;font-size:13px}
.site-account-greeting{font-size:13px;white-space:nowrap}
.site-account-greeting strong{color:#111827}
.site-account-chevron{padding:0 4px;color:#98a2b3;transition:transform .18s ease}
.site-account-chevron.open{transform:rotate(180deg)}
.site-profile-card{
  position:absolute;
  right:0;
  top:55px;
  width:min(370px,calc(100vw - 30px));
  padding:18px;
  border:1px solid rgba(220,225,234,.98);
  border-radius:20px;
  background:rgba(255,255,255,.98);
  box-shadow:0 24px 70px rgba(15,23,42,.18);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px) scale(.985);
  transform-origin:top right;
  transition:.18s ease;
}
.site-profile-card.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.site-profile-head{display:flex;align-items:center;gap:13px;padding-bottom:15px;border-bottom:1px solid #eef1f5}
.site-profile-avatar{width:50px;height:50px;font-size:18px}
.site-profile-head small{color:#5b5cf6;font-size:10px;font-weight:950;letter-spacing:.1em}
.site-profile-head h3{margin:3px 0 0;font-size:18px}
.site-profile-head p{margin:3px 0 0;color:#667085;font-size:12px}
.site-profile-list{display:grid;gap:10px;padding:15px 0}
.site-profile-list div{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;font-size:12px}
.site-profile-list span{color:#7b8494}
.site-profile-list strong{max-width:220px;color:#344054;text-align:right;word-break:break-all}
.site-profile-links{display:flex;gap:8px;flex-wrap:wrap;padding:0 0 13px}
.site-profile-links a{padding:8px 10px;border:1px solid #e8ebf0;border-radius:10px;background:#f8fafc;color:#475467;font-size:11px;font-weight:850;text-decoration:none}
.site-logout{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:12px;background:#111827;color:#fff;text-decoration:none;font-size:13px;font-weight:900}
.site-subservice-bar{
  padding:10px 34px;
  display:flex;
  align-items:center;
  gap:8px;
  border-bottom:1px solid #e8ecf2;
  background:rgba(248,250,255,.92);
  color:#667085;
  font-size:12px;
  font-weight:750;
}
.site-subservice-bar a{text-decoration:none;color:#475467}
.site-subservice-bar strong{color:#4f46e5}
@media(max-width:1020px){
  .site-header{padding:0 18px;gap:18px}
  .site-logo{min-width:auto}
  .site-logo em{display:none}
  .site-nav{gap:15px}
  .site-account-greeting{display:none}
}
@media(max-width:760px){
  .site-header{min-height:64px}
  .site-logo strong{font-size:25px}.site-logo span{font-size:18px}
  .site-logo .site-logo-symbol{width:22px;height:25px;transform:translateY(4px)}
  .site-nav{display:none}
  .site-auth-actions a:first-child{display:none}
  .site-subservice-bar{padding:9px 16px}
}

/* v165 global typography stability */
.site-header,.site-header *,.site-profile-card,.site-profile-card *{box-sizing:border-box;}
.site-nav a,.site-nav button,.site-logo,.site-account-greeting,.site-profile-head h3,.site-profile-links a,.site-logout{word-break:keep-all;overflow-wrap:normal;}
.site-profile-list strong{word-break:keep-all;overflow-wrap:break-word;}
@media(max-width:720px){.site-account-greeting{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}}
input::placeholder,textarea::placeholder{color:#b9c0cb!important;opacity:1}

/* 상단 메뉴: 레이아웃 이동 없는 은은한 호버 강조 */
.site-nav>a,.site-nav-group>button{isolation:isolate;cursor:pointer;transition:color .24s ease}
.site-nav>a::before,.site-nav-group>button::before{content:"";position:absolute;inset:19px -8px;border-radius:8px;background:#f2efff;opacity:0;z-index:-1;pointer-events:none;transition:opacity .24s ease}
@media(hover:hover){
  .site-nav>a:hover,.site-nav-group:hover>button{color:var(--site-brand)}
  .site-nav>a:hover::before,.site-nav-group:hover>button::before{opacity:1}
}
.site-nav>a:focus-visible,.site-nav-group>button:focus-visible{color:var(--site-brand);outline:2px solid #b8a9f3;outline-offset:4px;border-radius:8px}
.site-nav>a:focus-visible::before,.site-nav-group>button:focus-visible::before{opacity:1}
@media(prefers-reduced-motion:reduce){.site-nav>a,.site-nav-group>button,.site-nav>a::before,.site-nav-group>button::before{transition:none}}