:root{
  --navy:#0f2a4a; --blue:#1f5fa8; --green:#2f8a4a; --orange:#d9791a; --red:#c9373a; --purple:#7a4fb5;
  --gray:#5a6270; --line:#d7dee8; --bg:#f6f8fb; --radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans KR",system-ui,-apple-system,"Malgun Gothic",sans-serif;color:#1f2430;line-height:1.7;font-size:16.5px;word-break:keep-all;background:#fff}
a{color:var(--blue)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
h2{font-size:1.45rem;color:var(--navy);margin:2.2rem 0 .8rem;padding-bottom:.4rem;border-bottom:3px solid var(--navy)}
h3{font-size:1.15rem;color:var(--blue);margin:1.6rem 0 .6rem}
h3::before{content:"";display:inline-block;width:5px;height:1em;background:var(--blue);border-radius:2px;margin-right:8px;vertical-align:-2px}
b,strong{color:var(--navy)}
.small{font-size:.86rem;color:var(--gray)}
.muted{color:var(--gray)}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(15,42,74,.05)}
.topbar-in{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none}
.brand img{height:40px}
.brand span{font-weight:900;color:var(--navy);font-size:.95rem;border-left:2px solid var(--line);padding-left:8px}
.nav{margin-left:auto;display:flex;gap:2px;flex-wrap:wrap}
.nav a{padding:8px 11px;border-radius:8px;text-decoration:none;color:var(--navy);font-weight:700;font-size:.93rem}
.nav a:hover{background:var(--bg)}
.nav a.active{background:#e8f0fa;color:var(--blue)}
.nav a.cta{background:var(--red);color:#fff}
.menu-btn{display:none;margin-left:auto;font-size:1.6rem;background:none;border:0;color:var(--navy);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:8px 12px 14px;border-bottom:1px solid var(--line)}
  body.nav-open .nav{display:flex}
  .nav a{padding:12px}
}

/* page head */
.page-head{background:linear-gradient(135deg,var(--navy),#1f4f87);color:#fff;padding:34px 0 30px}
.page-head h1{margin:0;font-size:1.9rem;font-weight:900}
.page-head p{margin:.3rem 0 0;color:#cfe0f5}
.main{padding-top:10px;padding-bottom:40px;min-height:50vh}

/* hero */
.hero{background:linear-gradient(135deg,#0f2a4a 0%,#1f4f87 60%,#2a6bb5 100%);color:#fff;padding:56px 0 50px}
.hero .kicker{color:#ffd28a;font-weight:700}
.hero h1{font-size:2.5rem;line-height:1.25;margin:.4rem 0 .6rem;font-weight:900}
.hero h1 em{font-style:normal;color:#ff9b9d}
.hero p{color:#dce8f7;font-size:1.08rem;max-width:640px}
.hero .btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
@media (max-width:600px){.hero h1{font-size:1.9rem}.page-head h1{font-size:1.5rem}}

/* buttons */
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:900;text-decoration:none;border:2px solid transparent;cursor:pointer;font-size:1rem;font-family:inherit}
.btn.red{background:var(--red);color:#fff}
.btn.blue{background:var(--blue);color:#fff}
.btn.white{background:#fff;color:var(--navy)}
.btn.line{border-color:#fff;color:#fff;background:transparent}
.btn.outline{border-color:var(--blue);color:var(--blue);background:#fff}
.btn:hover{filter:brightness(1.07)}

/* grid & cards */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{border:1.5px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:#fff}
.card h4{margin:0 0 .3rem;font-size:1.08rem;color:var(--navy)}
a.card{text-decoration:none;color:inherit;transition:transform .12s, box-shadow .12s}
a.card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,42,74,.10)}
.card.blue{border-color:var(--blue)} .card.green{border-color:var(--green)} .card.orange{border-color:var(--orange)} .card.red{border-color:var(--red)} .card.purple{border-color:var(--purple)} .card.navy{border-color:var(--navy)}
.card.blue h4{color:var(--blue)} .card.green h4{color:var(--green)} .card.orange h4{color:var(--orange)} .card.red h4{color:var(--red)} .card.purple h4{color:var(--purple)}

/* baskets */
.basket{border-radius:16px;padding:20px;color:#fff;position:relative;overflow:hidden}
.basket h3{color:#fff;margin:0 0 .4rem;font-size:1.4rem}.basket h3::before{display:none}
.basket ul{margin:0;padding-left:18px}
.basket .tag{position:absolute;right:14px;top:14px;font-size:.8rem;background:rgba(255,255,255,.2);padding:2px 10px;border-radius:12px}
.basket.b1{background:linear-gradient(135deg,#1f5fa8,#3b7dc9)}
.basket.b2{background:linear-gradient(135deg,#2f8a4a,#47a865)}
.basket.b3{background:linear-gradient(135deg,#d9791a,#ec9a46)}
.basket a{color:#fff;font-weight:700}

/* boxes */
.box{border-radius:var(--radius);padding:14px 18px;margin:14px 0}
.box .t{display:block;font-weight:900;margin-bottom:4px}
.info{background:#eef4fb;border:1.5px solid #b9cfe9}
.warn{background:#fff5e8;border:1.5px solid #f1c48a}
.danger{background:#fdeeee;border:1.5px solid #eab3b4}
.good{background:#edf7ef;border:1.5px solid #b3dbbd}
.easy{background:#f5f0fb;border:1.5px solid #d4c2ec}
.easy .t::before{content:"쉽게 말하면";background:var(--purple);color:#fff;font-size:.75rem;padding:1px 9px;border-radius:9px;margin-right:8px;vertical-align:2px}

/* chips */
.chip{display:inline-block;min-width:26px;text-align:center;font-weight:900;font-size:.82rem;border-radius:9px;padding:0 7px;color:#fff;line-height:1.7}
.chip.ok{background:var(--green)} .chip.no{background:var(--red)} .chip.maybe{background:var(--orange)}
.badge{display:inline-block;background:var(--navy);color:#fff;font-weight:900;border-radius:8px;padding:0 9px;font-size:.9rem}

/* tables */
.table-wrap{overflow-x:auto;margin:10px 0 16px}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
th{background:var(--navy);color:#fff;padding:9px 10px;text-align:center;font-weight:700}
td{border-bottom:1px solid var(--line);padding:9px 10px;vertical-align:top}
tr:nth-child(even) td{background:#fafbfd}
td.c{text-align:center} td.r{text-align:right;white-space:nowrap}

/* KPI */
.kpi{border-radius:var(--radius);padding:16px;text-align:center;background:var(--bg);border:1.5px solid var(--line)}
.kpi .n{font-size:1.7rem;font-weight:900;color:var(--blue);white-space:nowrap}
.kpi.red .n{color:var(--red)} .kpi.orange .n{color:var(--orange)} .kpi.green .n{color:var(--green)}
.kpi .l{font-size:.9rem;color:var(--gray)}

/* timeline */
.timeline{position:relative;margin:20px 0 10px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:4px;background:var(--line);border-radius:2px}
.tl-item{position:relative;margin-bottom:18px}
.tl-item .dot{position:absolute;left:-26px;top:5px;width:18px;height:18px;border-radius:50%;background:var(--gray);border:3px solid #fff;box-shadow:0 0 0 2px var(--line)}
.tl-item .d{font-weight:900;font-size:1.15rem}
.tl-item .lab{display:inline-block;font-size:.8rem;font-weight:700;padding:0 9px;border-radius:9px;color:#fff;margin-left:6px;vertical-align:2px}
.c-gray .dot,.c-gray .lab{background:#8a929e}.c-green .dot,.c-green .lab{background:var(--green)}.c-orange .dot,.c-orange .lab{background:var(--orange)}.c-red .dot,.c-red .lab{background:var(--red)}.c-blue .dot,.c-blue .lab{background:var(--blue)}
.c-green .d{color:var(--green)}.c-orange .d{color:var(--orange)}.c-red .d{color:var(--red)}.c-blue .d{color:var(--blue)}

/* steps */
.steps{display:flex;flex-wrap:wrap;gap:8px;counter-reset:s;margin:12px 0}
.steps div{flex:1 1 130px;background:#e8f0fa;border:1.5px solid #b9cfe9;border-radius:10px;padding:10px;text-align:center;font-weight:700;color:var(--navy);font-size:.92rem;counter-increment:s}
.steps div::before{content:counter(s);display:block;width:26px;height:26px;margin:0 auto 4px;border-radius:50%;background:var(--blue);color:#fff;line-height:26px;font-weight:900}
.steps div:last-child{background:var(--navy);color:#fff;border-color:var(--navy)}

/* bars */
.bar{display:flex;align-items:center;gap:10px;margin:6px 0;font-size:.92rem}
.bar .lb{flex:0 0 92px;font-weight:700}
.bar .track{flex:1;background:#eef1f5;border-radius:6px;height:26px}
.bar .fill{height:26px;border-radius:6px;color:#fff;font-weight:700;padding-left:10px;line-height:26px;white-space:nowrap;font-size:.86rem}

/* type cards */
.type-card{display:flex;gap:12px;align-items:flex-start}
.type-card .code{flex:0 0 46px;height:46px;border-radius:10px;background:var(--green);color:#fff;font-weight:900;font-size:1.4rem;display:flex;align-items:center;justify-content:center}
.type-card p{margin:.15rem 0 0;font-size:.9rem;color:var(--gray)}
.list-rights{list-style:none;padding:0;margin:0}
.list-rights li{padding:7px 0;border-bottom:1px dashed var(--line)}

/* diagnose */
.quiz{max-width:720px;margin:20px auto;border:2px solid var(--blue);border-radius:16px;padding:24px;background:#fff;box-shadow:0 10px 30px rgba(15,42,74,.08)}
.quiz .q-step{font-size:.85rem;color:var(--gray)}
.quiz .q-text{font-size:1.35rem;font-weight:900;color:var(--navy);margin:.3rem 0 1rem}
.quiz .q-help{font-size:.9rem;color:var(--gray);margin:-.6rem 0 1rem}
.quiz .opts{display:grid;gap:10px}
.quiz .opt{display:block;width:100%;text-align:left;padding:14px 16px;border-radius:12px;border:2px solid var(--line);background:#fff;font-size:1.02rem;font-weight:700;color:var(--navy);cursor:pointer;font-family:inherit}
.quiz .opt:hover{border-color:var(--blue);background:#eef4fb}
.quiz .back{margin-top:14px;background:none;border:0;color:var(--gray);cursor:pointer;font-family:inherit}
.progress{height:6px;background:#eef1f5;border-radius:3px;margin-bottom:14px}
.progress div{height:6px;background:var(--blue);border-radius:3px;transition:width .2s}
.result-code{font-size:3rem;font-weight:900;color:var(--green);line-height:1}

/* forms */
.form{max-width:640px}
.form p{margin:0 0 14px}
.form label{display:block;font-weight:700;color:var(--navy);margin-bottom:4px}
.form input[type=text],.form input[type=number],.form select,.form textarea{width:100%;padding:12px;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;font-family:inherit}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #d9e7f7}
.form ul{list-style:none;padding:0;margin:0;display:flex;gap:14px;flex-wrap:wrap}
.form ul label{font-weight:400;display:flex;gap:6px;align-items:center}
.form .helptext{font-size:.85rem;color:var(--gray)}
.errorlist{color:var(--red)!important;font-size:.9rem}
.check-row label{display:flex!important;gap:8px;align-items:center;font-weight:700}

/* calc result */
.calc-result{border:2px solid var(--green);border-radius:16px;padding:20px;background:#f4fbf6}
.calc-result .total{font-size:2rem;font-weight:900;color:var(--green)}

/* call band & footer */
.call-band{background:var(--navy);color:#fff;padding:22px 0}
.call-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.call-in b{color:#fff;font-size:1.15rem}
.call-in span{color:#cfe0f5}
.call-btns{display:flex;gap:8px;flex-wrap:wrap}
.footer{background:#0b1f37;color:#b9c6d6;padding:26px 0 70px;font-size:.92rem}
.footer b{color:#fff}
.footer a{color:#dce8f7}
.footer-in{display:grid;grid-template-columns:1fr 1.3fr;gap:20px}
.footer .small{color:#9aa8ba}
.flogo{height:44px;background:#fff;border-radius:8px;padding:4px 8px}
@media (max-width:700px){.footer-in{grid-template-columns:1fr}}
.float-call{position:fixed;right:16px;bottom:16px;width:56px;height:56px;border-radius:50%;background:var(--red);color:#fff;font-size:1.6rem;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 6px 18px rgba(201,55,58,.45);z-index:60}
@media (min-width:901px){.float-call{display:none}}

.toc a{display:inline-block;margin:4px 6px 4px 0;padding:6px 12px;border-radius:20px;background:var(--bg);border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:.9rem;color:var(--navy)}
.next-prev{display:flex;justify-content:space-between;gap:10px;margin-top:30px;flex-wrap:wrap}
.map-img{border:1.5px solid var(--line);border-radius:12px;padding:6px;background:#fff}
@media print{.topbar,.call-band,.float-call,.footer{display:none}}