/* ─── RESET ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:#fff;color:#1c1c2e;font-family:'Noto Sans KR',sans-serif;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid #ee4d2d;outline-offset:3px;border-radius:3px}

/* ─── VARS ─── */
:root{
  --red:#ee4d2d;--red-l:#fff1ee;--red-m:#fde0db;
  --navy:#1c1c2e;--navy2:#2d2d4e;
  --g50:#f9fafb;--g100:#f3f4f6;--g200:#e5e7eb;--g300:#d1d5db;--g400:#9ca3af;--g500:#6b7280;--g700:#374151;--g900:#111827;
  --grn:#059669;--grn-l:#d1fae5;
  --amb:#d97706;--amb-l:#fef3c7;
  --err:#dc2626;--err-l:#fee2e2;
  --blu:#2563eb;--blu-l:#dbeafe;
  --pur:#7c3aed;--pur-l:#ede9fe;
  --r:10px;
  --sh0:0 1px 3px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.04);
  --sh1:0 4px 16px rgba(0,0,0,.08);
  --sh2:0 10px 40px rgba(0,0,0,.1);
  --serif:'Nanum Myeongjo',serif;
  --sans:'Noto Sans KR',sans-serif;
}

/* ─── SKIP NAV (접근성) ─── */
.skip-nav{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-nav:focus{position:fixed;top:0;left:0;width:auto;height:auto;padding:12px 20px;background:var(--red);color:#fff;font-weight:700;font-size:.9rem;z-index:9999;border-radius:0 0 8px 0}

/* ─── PROGRESS ─── */
.progress-bar{height:3px;background:var(--red);width:0;position:fixed;top:0;left:0;z-index:9998;transition:width .08s linear}

/* ─── TOP NOTICE ─── */
.top-notice{background:var(--navy);color:#e2e8f0;text-align:center;padding:9px 20px;font-size:.78rem;font-weight:400;letter-spacing:.01em}
.top-notice a{color:#fbbf24;text-decoration:underline}

/* ─── HEADER ─── */
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.97);border-bottom:1px solid var(--g200);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.header-inner{max-width:1080px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{font-family:var(--serif);font-weight:800;font-size:1.05rem;color:var(--red);white-space:nowrap;flex-shrink:0}
.logo span{color:var(--navy)}
.header-links{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.header-links::-webkit-scrollbar{display:none}
.header-links a{padding:4px 11px;font-size:.76rem;font-weight:500;color:var(--g500);border:1px solid var(--g300);border-radius:100px;white-space:nowrap;transition:all .18s}
.header-links a:hover,.header-links a[aria-current="page"]{color:var(--red);border-color:var(--red);background:var(--red-l)}
.header-site-nav{display:flex;gap:20px}
.header-site-nav a{font-size:.82rem;font-weight:500;color:var(--g500);transition:color .18s;white-space:nowrap}
.header-site-nav a:hover{color:var(--red)}

/* ─── BREADCRUMB ─── */
.breadcrumb-wrap{background:var(--g50);border-bottom:1px solid var(--g100);padding:9px 24px}
.breadcrumb{max-width:860px;margin:0 auto;display:flex;align-items:center;gap:6px;font-size:.77rem;color:var(--g400);flex-wrap:wrap}
.breadcrumb a{color:var(--g500)}
.breadcrumb a:hover{color:var(--red);text-decoration:underline}
.breadcrumb-sep{color:var(--g300)}
.breadcrumb-current{color:var(--g700);font-weight:500}

/* ─── HERO ─── */
.hero{background:linear-gradient(160deg,#fff7f5 0%,#fff 55%,#f0f4ff 100%);border-bottom:1px solid var(--g100);padding:64px 24px 56px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--red-l);border:1px solid #f9c5ba;color:var(--red);font-size:.75rem;font-weight:600;letter-spacing:.05em;padding:5px 15px;border-radius:100px;margin-bottom:24px}
.hero h1{font-family:var(--serif);font-size:clamp(1.9rem,5vw,3rem);font-weight:800;line-height:1.28;color:var(--navy);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--red)}
.hero-lead{font-size:1rem;color:var(--g500);max-width:600px;margin:0 auto 28px;font-weight:300;line-height:1.85}
.hero-meta{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.hero-meta-pill{display:flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--g200);border-radius:100px;padding:4px 12px;font-size:.78rem;color:var(--g500);box-shadow:var(--sh0)}
.hero-stats{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--g100)}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:1.65rem;font-weight:800;color:var(--red);font-family:var(--serif);line-height:1;margin-bottom:4px}
.hero-stat span{font-size:.76rem;color:var(--g400)}

/* ─── AD SLOT ─── */
.ad-slot{margin:32px auto;text-align:center;max-width:860px;padding:0 24px}
.ad-slot-label{font-size:.68rem;color:var(--g400);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.ad-placeholder{background:var(--g50);border:1px dashed var(--g300);border-radius:8px;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--g400);font-size:.8rem}

/* ─── LAYOUT ─── */
.wrap{max-width:860px;margin:0 auto;padding:0 24px}
.chapter{padding:68px 0;border-bottom:1px solid var(--g100)}
.chapter:last-of-type{border-bottom:none}
.chapter-alt{background:var(--g50)}

/* ─── CHAPTER HEADER ─── */
.ch-label{display:inline-flex;align-items:center;gap:6px;background:var(--red-l);color:var(--red);font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:4px 12px;border-radius:100px;margin-bottom:12px}
h2.ch-title{font-family:var(--serif);font-size:clamp(1.65rem,3.5vw,2.2rem);font-weight:800;color:var(--navy);line-height:1.28;margin-bottom:12px}
.ch-lead{font-size:.98rem;color:var(--g500);margin-bottom:36px;padding-bottom:28px;border-bottom:1px solid var(--g100);max-width:700px;line-height:1.85}

/* ─── HEADINGS ─── */
h3{font-family:var(--serif);font-size:1.15rem;font-weight:700;color:var(--navy);margin:40px 0 14px;padding-left:14px;border-left:3px solid var(--red)}
h4{font-size:.96rem;font-weight:700;color:var(--navy);margin-bottom:7px}
p{margin-bottom:12px;color:var(--g700)}
p:last-child{margin-bottom:0}

/* ─── ARTICLE META ─── */
.article-meta{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:14px 18px;margin-bottom:36px;display:flex;gap:20px;flex-wrap:wrap;box-shadow:var(--sh0)}
.art-meta-item{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--g500)}
.art-meta-item strong{color:var(--g700);font-weight:600}

/* ─── CALLOUTS ─── */
.callout{display:flex;gap:13px;padding:15px 18px;border-radius:var(--r);margin:22px 0;border:1px solid}
.callout-icon{font-size:1rem;flex-shrink:0;margin-top:3px}
.callout-body{flex:1;min-width:0}
.callout-tag{display:inline-block;font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px;padding:2px 8px;border-radius:4px}
.callout-body p{font-size:.9rem;color:var(--g700);margin:0}
.callout-body p+p{margin-top:8px}
.c-imp{background:var(--err-l);border-color:#fca5a5}.c-imp .callout-tag{background:var(--err);color:#fff}
.c-tip{background:var(--amb-l);border-color:#fcd34d}.c-tip .callout-tag{background:var(--amb);color:#fff}
.c-note{background:var(--blu-l);border-color:#93c5fd}.c-note .callout-tag{background:var(--blu);color:#fff}
.c-ok{background:var(--grn-l);border-color:#6ee7b7}.c-ok .callout-tag{background:var(--grn);color:#fff}
.c-pur{background:var(--pur-l);border-color:#c4b5fd}.c-pur .callout-tag{background:var(--pur);color:#fff}

/* ─── STEPS ─── */
.steps{counter-reset:sc;display:flex;flex-direction:column;gap:13px;margin:22px 0}
.step{counter-increment:sc;display:flex;gap:15px;background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:18px;box-shadow:var(--sh0);transition:box-shadow .2s,border-color .2s}
.step:hover{box-shadow:var(--sh1);border-color:#f9c5ba}
.sn{width:29px;height:29px;min-width:29px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;flex-shrink:0;margin-top:2px}
.sn::before{content:counter(sc)}
.step-body p{font-size:.88rem;color:var(--g500);margin:0}
.step-body ul{font-size:.88rem;color:var(--g500);padding-left:18px;margin-top:8px}
.step-body li{margin-bottom:5px}

/* ─── CARDS ─── */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:15px;margin:22px 0}
.card{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:22px;box-shadow:var(--sh0);transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--sh1);transform:translateY(-3px)}
.card-icon{font-size:1.85rem;margin-bottom:12px}
.card h4{margin-bottom:8px}
.card p{font-size:.84rem;color:var(--g500);line-height:1.75;margin:0}

/* ─── TABLES ─── */
.tbl-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--g100);border-radius:var(--r);box-shadow:var(--sh0)}
table{width:100%;border-collapse:collapse;font-size:.86rem}
thead{background:var(--g50)}
th{padding:11px 15px;text-align:left;font-size:.72rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--g500);border-bottom:1px solid var(--g100)}
td{padding:11px 15px;border-bottom:1px solid var(--g100);color:var(--g700);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--g50)}

/* ─── TAGS ─── */
.tag{display:inline-block;padding:3px 10px;border-radius:100px;font-size:.73rem;font-weight:600}
.tg{background:var(--grn-l);color:var(--grn)}
.ta{background:var(--amb-l);color:var(--amb)}
.tr{background:var(--err-l);color:var(--err)}
.tb{background:var(--blu-l);color:var(--blu)}
.tx{background:var(--g100);color:var(--g500)}

/* ─── LISTS ─── */
.blist{list-style:none;display:flex;flex-direction:column;gap:9px;margin:15px 0}
.blist li{display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--g700)}
.blist li::before{content:'';width:6px;height:6px;min-width:6px;border-radius:50%;background:var(--red);margin-top:10px}
.chklist{list-style:none;display:flex;flex-direction:column;gap:8px;margin:15px 0}
.chklist li{display:flex;align-items:flex-start;gap:10px;background:#fff;border:1px solid var(--g100);border-radius:8px;padding:10px 15px;font-size:.89rem;color:var(--g700);box-shadow:var(--sh0);transition:border-color .18s}
.chklist li:hover{border-color:#f9c5ba}
.chk{width:18px;height:18px;min-width:18px;border:2px solid var(--grn);border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--grn);font-size:.68rem;font-weight:700;margin-top:2px}

/* ─── FORMULA ─── */
.formula{background:linear-gradient(135deg,#fff8f6,#fff0f0);border:2px solid #f9c5ba;border-radius:var(--r);padding:28px;margin:22px 0;text-align:center}
.formula-lbl{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.formula-eq{font-family:var(--serif);font-size:clamp(.9rem,2.5vw,1.1rem);font-weight:700;color:var(--navy);line-height:2}
.formula-eq .hl{color:var(--red)}
.formula-note{margin-top:10px;font-size:.79rem;color:var(--g500)}

/* ─── HBAND ─── */
.hband{background:linear-gradient(135deg,var(--red-l),#fff3f0);border:1px solid #f9c5ba;border-radius:var(--r);padding:24px 26px;margin:22px 0}
.hband h3{border-left-color:var(--red);margin-top:0}

/* ─── LINK CARDS ─── */
.lcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:10px;margin:18px 0}
.lcard{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:12px 14px;box-shadow:var(--sh0);transition:all .2s;cursor:pointer}
.lcard:hover{border-color:var(--red);box-shadow:var(--sh1);transform:translateY(-2px)}
.lcard-ico{font-size:1.25rem;flex-shrink:0}
.lcard-txt strong{display:block;font-size:.84rem;font-weight:700;color:var(--navy)}
.lcard-txt span{font-size:.72rem;color:var(--g400)}
.lcard-arr{margin-left:auto;color:var(--red);font-size:.82rem;flex-shrink:0}

/* ─── FAQ ─── */
.faq-list{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.faq-item{border:1px solid var(--g200);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh0)}
.faq-q{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 18px;cursor:pointer;background:#fff;font-weight:700;font-size:.91rem;color:var(--navy);list-style:none;user-select:none;transition:background .18s}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{display:none}
.faq-q:hover{background:var(--g50)}
details[open] .faq-q{background:var(--red-l)}
.faq-ico{color:var(--red);font-size:1.3rem;font-weight:300;flex-shrink:0;line-height:1;transition:transform .25s}
details[open] .faq-ico{transform:rotate(45deg)}
.faq-a{padding:4px 18px 16px;font-size:.88rem;color:var(--g700);line-height:1.85;background:var(--g50);border-top:1px solid var(--g100)}
.faq-a p{margin-top:12px;margin-bottom:0}

/* ─── ABOUT BOX ─── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;margin:24px 0}
.about-card{background:var(--navy);color:#fff;border-radius:14px;padding:30px 32px}
.about-card h3{color:#fbbf24;border-left-color:#fbbf24;margin-top:0}
.about-card p{color:#cbd5e1;font-size:.88rem;line-height:1.8;margin-bottom:10px}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about-stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:14px;text-align:center}
.about-stat strong{display:block;font-size:1.45rem;font-weight:800;color:var(--red);font-family:var(--serif)}
.about-stat span{font-size:.74rem;color:#94a3b8}
.about-info{background:#fff;border:1px solid var(--g100);border-radius:14px;padding:28px 30px;box-shadow:var(--sh0)}
.about-info h3{margin-top:0}
.about-info p{font-size:.88rem;color:var(--g700);line-height:1.8;margin-bottom:10px}

/* ─── CONTACT ─── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}
.contact-card{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:24px;box-shadow:var(--sh0);text-align:center}
.contact-card .c-icon{font-size:2rem;margin-bottom:12px}
.contact-card h4{margin-bottom:8px}
.contact-card p{font-size:.84rem;color:var(--g500);margin-bottom:12px}
.contact-link{display:inline-block;background:var(--red);color:#fff;border-radius:7px;padding:8px 20px;font-size:.84rem;font-weight:600;transition:background .18s}
.contact-link:hover{background:#d43e1e}

/* ─── COOKIE BANNER ─── */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:rgba(28,28,46,.97);color:#fff;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;z-index:1000;font-size:.81rem;flex-wrap:wrap;border-top:2px solid var(--red);backdrop-filter:blur(8px)}
.cookie-banner p{color:#cbd5e1;margin:0;line-height:1.6}
.cookie-banner a{color:#fbbf24;text-decoration:underline}
.cookie-btns{display:flex;gap:8px;flex-shrink:0}
.cbtn{border:none;border-radius:6px;padding:7px 18px;font-size:.8rem;font-weight:600;cursor:pointer;font-family:var(--sans);transition:all .18s}
.cbtn-accept{background:var(--red);color:#fff}
.cbtn-accept:hover{background:#d43e1e}
.cbtn-deny{background:transparent;color:#9ca3af;border:1px solid #4b5563}
.cbtn-deny:hover{color:#fff}
.cookie-banner.hidden{display:none}

/* ─── FOOTER ─── */
footer{background:var(--g900);color:#9ca3af;padding:52px 24px 36px}
.footer-inner{max-width:1080px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand{}
.footer-logo{font-family:var(--serif);font-size:1.1rem;font-weight:800;color:#fff;margin-bottom:10px}
.footer-logo em{color:var(--red);font-style:normal}
.footer-desc{font-size:.82rem;color:#6b7280;line-height:1.8;margin-bottom:14px}
.footer-update{font-size:.74rem;color:#4b5563}
.footer-col h4{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9ca3af;margin-bottom:13px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col a{font-size:.81rem;color:#6b7280;transition:color .18s}
.footer-col a:hover{color:var(--red)}
.footer-div{height:1px;background:#1f2937;margin-bottom:24px}
.footer-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap}
.disclaimer{font-size:.74rem;color:#4b5563;line-height:1.85;max-width:680px}
.footer-policy-links{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}
.footer-policy-links a{font-size:.76rem;color:#6b7280;text-decoration:underline;transition:color .18s}
.footer-policy-links a:hover{color:var(--red)}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .about-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .chapter{padding:50px 0}
  .header-links{display:none}
  .header-site-nav{gap:12px}
  .hero{padding:48px 18px 44px}
  .step{flex-direction:column;gap:10px}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column}
}
@media(max-width:480px){
  .hero-stats{gap:20px}
  .formula{padding:20px 16px}
  .hband{padding:18px}
  .about-stats{grid-template-columns:1fr 1fr}
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.hero h1{animation:fadeUp .5s ease both}
.hero-lead{animation:fadeUp .5s .1s ease both}
.hero-meta{animation:fadeUp .5s .15s ease both}
.hero-stats{animation:fadeUp .5s .2s ease both}

/* ─── NON-OFFICIAL BADGE ─── */
.non-official-badge{display:flex;align-items:center;gap:10px;background:#fffbeb;border:1px solid #fcd34d;border-radius:8px;padding:10px 16px;margin-bottom:0;font-size:.8rem;color:#92400e}
.non-official-badge strong{color:#78350f}

/* ─── SEARCH BAR ─── */
.search-wrap{background:var(--g50);border-bottom:1px solid var(--g100);padding:10px 24px}
.search-inner{max-width:860px;margin:0 auto;position:relative}
.search-input{width:100%;padding:9px 40px 9px 14px;border:1px solid var(--g200);border-radius:8px;font-family:var(--sans);font-size:.88rem;color:var(--navy);background:#fff;outline:none;transition:border-color .18s}
.search-input:focus{border-color:var(--red)}
.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--g400);font-size:1rem;pointer-events:none}
.search-results{display:none;position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--g200);border-radius:8px;box-shadow:var(--sh1);z-index:100;max-height:280px;overflow-y:auto}
.search-results.show{display:block}
.search-result-item{padding:10px 16px;cursor:pointer;font-size:.86rem;color:var(--g700);border-bottom:1px solid var(--g100);transition:background .15s}
.search-result-item:last-child{border-bottom:none}
.search-result-item:hover{background:var(--red-l)}
.search-result-item strong{color:var(--red)}
.search-no-result{padding:14px 16px;font-size:.84rem;color:var(--g400)}

/* ─── EXPERT PROFILE ─── */
.expert-profile{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--g100);border-radius:12px;padding:22px;box-shadow:var(--sh0);margin:24px 0}
.expert-avatar{width:72px;height:72px;min-width:72px;border-radius:50%;background:linear-gradient(135deg,var(--red),#ff8c60);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;font-weight:800;font-family:var(--serif)}
.expert-info{}
.expert-name{font-family:var(--serif);font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:3px}
.expert-title{font-size:.78rem;font-weight:600;color:var(--red);margin-bottom:8px;letter-spacing:.02em}
.expert-bio{font-size:.84rem;color:var(--g500);line-height:1.75;margin-bottom:8px}
.expert-tags{display:flex;gap:6px;flex-wrap:wrap}
.expert-tag{background:var(--g100);color:var(--g700);font-size:.72rem;font-weight:500;padding:2px 10px;border-radius:100px}

/* ─── CASE STUDY ─── */
.case-study{background:linear-gradient(135deg,#f0fdf4,#fff);border:1px solid #bbf7d0;border-radius:12px;padding:26px 28px;margin:28px 0}
.case-study-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.case-badge{background:#059669;color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:4px}
.case-title{font-family:var(--serif);font-size:1.05rem;font-weight:700;color:var(--navy)}
.case-body p{font-size:.9rem;color:var(--g700);line-height:1.85;margin-bottom:10px}
.case-body p:last-child{margin-bottom:0}
.case-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:16px}
.case-result{background:#fff;border:1px solid #bbf7d0;border-radius:8px;padding:12px;text-align:center}
.case-result strong{display:block;font-size:1.3rem;font-weight:800;color:#059669;font-family:var(--serif)}
.case-result span{font-size:.74rem;color:var(--g500)}

/* ─── PRINT ─── */
@media print{
  .site-header,.cookie-banner,.progress-bar,.top-notice,.ad-slot{display:none}
  .chapter{page-break-inside:avoid}
}

/* ─── SR-ONLY ─── */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ─── NAV BREADCRUMB ─── */
.page-nav{background:var(--navy);padding:12px 24px;position:sticky;top:60px;z-index:190}
.page-nav-inner{max-width:1080px;margin:0 auto;display:flex;gap:6px;flex-wrap:wrap}
.page-nav a{color:#9ca3af;font-size:.75rem;padding:4px 10px;border-radius:100px;border:1px solid #374151;transition:all .18s;white-space:nowrap}
.page-nav a:hover,.page-nav a.active{color:#fff;border-color:var(--red);background:var(--red)}

/* ─── RELATED ARTICLES ─── */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:24px 0}
.related-card{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:18px;box-shadow:var(--sh0);transition:all .2s}
.related-card:hover{box-shadow:var(--sh1);border-color:var(--red);transform:translateY(-2px)}
.related-card .rc-label{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:6px}
.related-card .rc-title{font-size:.9rem;font-weight:700;color:var(--navy);margin-bottom:6px;line-height:1.4}
.related-card .rc-desc{font-size:.78rem;color:var(--g500);line-height:1.65}

/* ─── TIMELINE ─── */
.timeline{position:relative;padding-left:28px;margin:22px 0}
.timeline::before{content:'';position:absolute;left:9px;top:0;bottom:0;width:2px;background:var(--g200)}
.tl-item{position:relative;margin-bottom:24px}
.tl-dot{width:18px;height:18px;background:var(--red);border-radius:50%;position:absolute;left:-28px;top:4px;border:3px solid #fff;box-shadow:0 0 0 2px var(--red)}
.tl-content h4{font-size:.92rem;font-weight:700;color:var(--navy);margin-bottom:5px}
.tl-content p{font-size:.84rem;color:var(--g500);margin:0;line-height:1.75}

/* ─── HIGHLIGHT BOX ─── */
.hl-box{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:14px;padding:32px;margin:28px 0;text-align:center}
.hl-box h3{color:#fbbf24;border-left:none;padding-left:0;margin-top:0;margin-bottom:12px;font-size:1.15rem}
.hl-box p{color:#cbd5e1;font-size:.9rem;margin:0;line-height:1.8}
.hl-box .hl-num{font-size:2.5rem;font-weight:800;color:var(--red);font-family:var(--serif);display:block;line-height:1}

/* ─── COMPARISON TABLE ─── */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.cmp-col{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:22px;box-shadow:var(--sh0)}
.cmp-col.cmp-good{border-top:3px solid var(--grn)}
.cmp-col.cmp-bad{border-top:3px solid var(--err)}
.cmp-col h4{font-size:.88rem;font-weight:700;margin-bottom:12px}
.cmp-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.cmp-col li{font-size:.83rem;color:var(--g700);display:flex;gap:8px;align-items:flex-start}
.cmp-col.cmp-good li::before{content:'O';color:var(--grn);font-weight:700;flex-shrink:0}
.cmp-col.cmp-bad li::before{content:'X';color:var(--err);font-weight:700;flex-shrink:0}
@media(max-width:600px){.cmp-grid{grid-template-columns:1fr}}

/* ─── FEAT GRID ─── */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin:22px 0}
.feat-card{background:#fff;border:1px solid var(--g100);border-radius:var(--r);padding:22px;box-shadow:var(--sh0);transition:box-shadow .2s,transform .2s}
.feat-card:hover{box-shadow:var(--sh1);transform:translateY(-2px)}
.feat-card .card-icon{font-size:1.6rem;margin-bottom:12px}
.feat-card h3{border-left:none;padding-left:0;margin-top:0;margin-bottom:8px;font-size:1rem}
.feat-card p{font-size:.84rem;color:var(--g500);line-height:1.75;margin:0}

/* ─── CMP COL HEAD ─── */
.cmp-col-head{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--g500);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--g100)}
.cmp-col.cmp-good .cmp-col-head{color:var(--grn)}
.cmp-col.cmp-bad .cmp-col-head{color:var(--err)}

/* ─── TIMELINE STRONG (alias for tl-content h4) ─── */
.tl-content strong{font-size:.92rem;font-weight:700;color:var(--navy);display:block;margin-bottom:5px}