/* ============================================================
   PEMF 연구소 — 공용 디자인 시스템  (시안 B / PULSE 기반)
   기획안 §2.3 디자인 토큰 · §5 공통 UX 규칙
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  /* Dark surfaces */
  --bg-950:#0a0507; --bg-900:#130809; --bg-850:#180a0d; --bg-800:#251119; --bg-700:#301622;
  /* Accent */
  --crimson:#c8102e; --crimson-lt:#e23b45; --maroon:#9b1b33;
  --gold:#d4a24c; --gold-lt:#f0d48a; --gold-dk:#b8862f; --gold-mid:#e6c067;
  --grad-accent:linear-gradient(100deg,#e6c067 0%,#c8102e 48%,#9b1b33 100%);
  --grad-accent-soft:linear-gradient(100deg,rgba(230,192,103,.16),rgba(155,27,51,.16));
  --grad-hero:radial-gradient(120% 90% at 50% 0%,#180a10 0%,#0c0607 55%,#0a0507 100%);
  --grad-subhero:linear-gradient(160deg,#1b0a11 0%,#12070a 46%,#0a0507 100%);
  /* Light surfaces */
  --w:#fff; --cream-50:#faf6ef; --cream-100:#f3ecdf; --cream-200:#ece1cf;
  --line:#ebe0cb; --line-strong:#dccdaf;
  /* Ink */
  --ink-900:#1c130d; --ink-800:#2c1e15; --ink-700:#4e3d31; --ink-500:#7e6d5d; --ink-400:#ab9c88;
  /* On-dark */
  --od-100:#f5ece0; --od-70:rgba(234,240,251,.72); --od-50:rgba(234,240,251,.52); --od-30:rgba(234,240,251,.32);
  --od-line:rgba(210,172,112,.16); --od-glass:rgba(210,172,112,.05); --od-glass-2:rgba(210,172,112,.09);
  /* Status */
  --ok:#2f7d4f; --ok-bg:#e9f4ed; --warn:#9a5f16; --warn-bg:#fdf3e2; --info:#1f5f8b; --info-bg:#e9f2f8;
  /* Spacing */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px; --s10:128px;
  /* Radius */
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  /* Shadow */
  --sh-sm:0 2px 8px rgba(28,19,13,.06);
  --sh-md:0 10px 30px rgba(28,19,13,.09);
  --sh-lg:0 24px 60px rgba(28,19,13,.13);
  /* Layout */
  --container:1200px; --measure:780px; --table-max:1000px; --gutter:24px; --nav-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
  /* Fonts — 명조/serif 사용 금지. serif 별칭도 고딕으로 고정 */
  --sans:'Pretendard',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;
  --mono:'JetBrains Mono','SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
  --serif:var(--sans);
  --font-display:var(--sans);
}

/* ---------- 2. RESET ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  font-family:var(--sans); background:var(--w); color:var(--ink-900);
  line-height:1.6; -webkit-font-smoothing:antialiased;
  word-break:keep-all; overflow-wrap:break-word; overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{text-wrap:balance;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--gold-lt);outline-offset:3px;border-radius:4px}
.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}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--ink-900);color:#fff;
  padding:12px 20px;border-radius:0 0 var(--r-sm) 0;font-weight:600}
.skip-link:focus{left:0}

/* ---------- 3. LAYOUT ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.measure{max-width:var(--measure)}
section{position:relative}
.sec-pad{padding:var(--s9) 0}
.sec-pad-lg{padding:var(--s10) 0}
.dark{background:var(--bg-950);color:var(--od-100)}
.darker{background:linear-gradient(180deg,#0a0507,#130809);color:var(--od-100)}
.light{background:var(--w)}
.light-gray{background:var(--cream-50)}
.sec-head{max-width:760px;margin-bottom:var(--s7)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px}
.sec-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.24}
.sec-desc{margin-top:16px;font-size:16.5px;line-height:1.78}
.dark .sec-tag,.darker .sec-tag{background:var(--od-glass-2);color:var(--gold-lt);border:1px solid var(--od-line)}
.dark .sec-title,.darker .sec-title{color:var(--od-100)}
.dark .sec-desc,.darker .sec-desc{color:var(--od-70)}
.light .sec-tag,.light-gray .sec-tag{background:var(--cream-100);color:var(--crimson)}
.light .sec-title,.light-gray .sec-title{color:var(--ink-900)}
.light .sec-desc,.light-gray .sec-desc{color:var(--ink-700)}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.grad-text{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.mono{font-family:var(--mono)}

/* ---------- 4. BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:var(--r-pill);transition:.25s var(--ease);white-space:nowrap;line-height:1.2}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-primary{background:var(--grad-accent);color:#0a0507;box-shadow:0 8px 24px rgba(200,16,46,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(200,16,46,.46)}
.btn-ghost{background:var(--od-glass-2);color:var(--od-100);border:1px solid var(--od-line)}
.btn-ghost:hover{background:rgba(210,172,112,.16);transform:translateY(-2px)}
.btn-light{background:var(--ink-900);color:#fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-outline{border:1px solid var(--line-strong);color:var(--ink-800);background:#fff}
.btn-outline:hover{border-color:var(--crimson);color:var(--crimson)}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arw{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--crimson)}
.link-arw:hover{gap:10px}
.dark .link-arw,.darker .link-arw{color:var(--gold-lt)}

/* ---------- 5. HEADER / NAV ---------- */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:200;
  display:flex;align-items:center;transition:background .35s var(--ease)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(212,162,76,.5),transparent);opacity:0;transition:opacity .35s}
.site-header.solid{background:rgba(10,5,7,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.site-header.solid::after{opacity:1}
body.subpage .site-header{background:rgba(10,5,7,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
body.subpage .site-header::after{opacity:1}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--grad-accent);flex:0 0 auto;
  display:grid;place-items:center;box-shadow:0 0 20px rgba(200,16,46,.45)}
.logo-mark svg{width:20px;height:20px}
.logo .lg-txt{display:block;line-height:1.15}
.logo small{display:block;font-size:9.5px;font-weight:500;letter-spacing:.15em;color:var(--od-50);margin-top:2px;
  font-family:var(--mono)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-item>a{position:relative;display:flex;align-items:center;gap:5px;font-size:15px;font-weight:500;
  color:var(--od-70);padding:10px 15px;border-radius:10px;transition:.2s}
.nav-item>a:hover,.nav-item>a:focus-visible{color:#fff;background:var(--od-glass-2)}
.nav-item.active>a{color:#fff}
.nav-item.active>a::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-accent)}
.nav-right{display:flex;align-items:center;gap:10px}
/* mega */
.mega{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);
  min-width:252px;background:rgba(19,8,9,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--od-line);border-radius:var(--r-md);padding:10px;
  opacity:0;visibility:hidden;transition:.25s var(--ease);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.mega a{display:block;padding:11px 14px;border-radius:10px;font-size:14.5px;color:var(--od-70);transition:.18s}
.mega a:hover,.mega a:focus-visible{background:var(--od-glass-2);color:#fff}
.mega a small{display:block;font-size:12px;color:var(--od-50);margin-top:3px;font-weight:400;line-height:1.5}
.mega .mega-sep{height:1px;background:var(--od-line);margin:7px 10px}
/* toggle + drawer */
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:9px;border-radius:9px}
.nav-toggle span{width:23px;height:2px;background:#fff;border-radius:2px;transition:.3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-drawer{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--bg-900);z-index:210;
  transform:translateX(100%);transition:transform .38s var(--ease);border-left:1px solid var(--od-line);
  display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain;visibility:hidden}
.m-drawer.open{transform:translateX(0);visibility:visible}
.m-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;
  border-bottom:1px solid var(--od-line);position:sticky;top:0;background:var(--bg-900);z-index:2}
.m-close{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:var(--od-70)}
.m-close:hover{background:var(--od-glass-2);color:#fff}
.m-close svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.m-nav{padding:8px 22px 30px}
.m-grp{border-bottom:1px solid var(--od-line);padding:4px 0}
.m-grp>a{display:block;padding:14px 0;color:var(--od-100);font-size:16.5px;font-weight:700}
.m-sub{padding:0 0 12px}
.m-sub a{display:block;padding:9px 0 9px 14px;color:var(--od-50);font-size:14.5px;
  border-left:1px solid var(--od-line)}
.m-sub a:hover,.m-sub a:focus-visible{color:var(--gold-lt);border-left-color:var(--gold)}
.m-drawer .btn{margin:22px 22px 0}
.m-scrim{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:205;opacity:0;visibility:hidden;transition:.3s}
.m-scrim.open{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}

/* ---------- 6. SUBPAGE HERO ---------- */
.sub-hero{position:relative;min-height:460px;display:flex;align-items:flex-end;
  background:var(--grad-subhero);overflow:hidden;padding-top:var(--nav-h)}
.sub-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(70% 120% at 82% 8%,rgba(200,16,46,.24),transparent 62%),
             radial-gradient(52% 90% at 8% 100%,rgba(212,162,76,.14),transparent 66%)}
.sub-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(212,162,76,.42),transparent)}
.sub-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:52px}
.sub-hero .eyebrow{color:var(--gold-lt);margin-bottom:14px;font-family:var(--mono)}
.sub-hero h1{font-size:clamp(28px,4.4vw,50px);font-weight:800;color:#fff;line-height:1.16}
.sub-hero .lead{margin-top:18px;max-width:640px;font-size:clamp(15px,1.8vw,17.5px);
  line-height:1.78;color:var(--od-70)}
.sub-hero-grid{position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(212,162,76,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(212,162,76,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent 78%);
          mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent 78%)}
/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--od-50);margin-bottom:20px}
.crumb a{color:var(--od-50);transition:.2s}
.crumb a:hover{color:var(--gold-lt)}
.crumb .sep{opacity:.45}
.crumb [aria-current]{color:var(--od-100)}

/* ---------- 7. CARDS ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  transition:.3s var(--ease);position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:var(--line-strong)}
.card .k{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--crimson);text-transform:uppercase;
  font-family:var(--mono)}
.card .ic{width:56px;height:56px;border-radius:16px;background:var(--grad-accent-soft);
  display:grid;place-items:center;margin:10px 0 20px}
.card .ic svg{width:28px;height:28px;stroke:var(--crimson);fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:20px;font-weight:800;color:var(--ink-900);margin-bottom:10px;line-height:1.4}
.card p{font-size:15px;color:var(--ink-700);line-height:1.75}
.card-dark{background:var(--od-glass);border:1px solid var(--od-line);border-radius:var(--r-lg);padding:28px}
.card-dark h3{color:var(--od-100);font-size:19px;font-weight:800;margin-bottom:10px}
.card-dark p{color:var(--od-70);font-size:15px;line-height:1.75}
.card-dark .k{color:var(--gold-lt);font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.12em}

/* navcard (섹션 이동) */
.navcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;transition:.3s var(--ease);height:100%}
.navcard:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:transparent}
.navcard .n{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--gold-dk);letter-spacing:.1em}
.navcard h3{margin:12px 0 8px;font-size:19px;font-weight:800;color:var(--ink-900)}
.navcard p{font-size:14.5px;color:var(--ink-700);line-height:1.72;flex:1}
.navcard .go{margin-top:18px;font-size:14px;font-weight:600;color:var(--crimson);
  display:inline-flex;gap:6px;align-items:center;transition:gap .25s var(--ease)}
.navcard:hover .go{gap:10px}

/* ---------- 8. TAGS / CHIPS ---------- */
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:5px 11px;
  border-radius:var(--r-pill);line-height:1.4;white-space:nowrap}
.tag.t-human{background:#f8e5e7;color:#b0142b}
.tag.t-review{background:#f5ead2;color:#7e0f20}
.tag.t-preclinical{background:#efe6d2;color:#6f5c26}
.tag.t-technical{background:#faeed7;color:#9a5f16}
.tag.t-topic{background:var(--cream-100);color:var(--ink-700);font-weight:600}
.tag.t-year{background:var(--cream-100);color:var(--ink-500);font-weight:600;font-family:var(--mono)}
.tag.t-year.pending{background:var(--warn-bg);color:var(--warn);font-family:var(--sans)}
.tag.t-ver{background:var(--ok-bg);color:var(--ok)}
.tag.t-ver.partial{background:var(--warn-bg);color:var(--warn)}
.tag.t-ver.pending{background:#f0eae2;color:var(--ink-500)}
.tag.t-plain{background:var(--cream-100);color:var(--ink-700);font-weight:600}
.chip{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--ink-700);transition:.2s}
.chip:hover{border-color:var(--crimson-lt);color:var(--crimson)}
.chip[aria-pressed="true"],.chip.active{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.chip[aria-pressed="true"] .cnt{opacity:.8}
.chip .cnt{font-family:var(--mono);font-size:12px;opacity:.65}
.chip-sm{padding:7px 14px;font-size:13px}

/* ---------- 9. PROSE ---------- */
.prose{max-width:var(--measure);font-size:16.5px;line-height:1.85;color:var(--ink-700)}
.prose>*+*{margin-top:20px}
.prose h2{font-size:clamp(22px,2.6vw,29px);font-weight:800;color:var(--ink-900);margin-top:56px;line-height:1.35}
.prose>h2:first-child{margin-top:0}
.prose h3{font-size:19px;font-weight:800;color:var(--ink-900);margin-top:36px}
.prose h4{font-size:16.5px;font-weight:700;color:var(--ink-800);margin-top:26px}
.prose strong,.prose b{color:var(--ink-900);font-weight:700}
.prose ul li{position:relative;padding-left:20px;margin-top:10px}
.prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--gold-dk)}
.prose ol{counter-reset:pl}
.prose ol li{position:relative;padding-left:30px;margin-top:10px;counter-increment:pl}
.prose ol li::before{content:counter(pl);position:absolute;left:0;top:2px;width:21px;height:21px;
  border-radius:6px;background:var(--cream-100);color:var(--crimson);font-size:12px;font-weight:700;
  display:grid;place-items:center;font-family:var(--mono)}
.prose a:not(.btn):not(.link-arw){color:var(--crimson);border-bottom:1px solid rgba(200,16,46,.3)}
.prose a:not(.btn):not(.link-arw):hover{border-bottom-color:var(--crimson)}
.prose blockquote{border-left:3px solid var(--gold);background:var(--cream-50);
  padding:20px 24px;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-800)}
.prose figure{margin-top:28px}
.prose figcaption{margin-top:10px;font-size:13.5px;color:var(--ink-500)}
.prose hr{border:0;border-top:1px solid var(--line);margin:44px 0}

/* ---------- 10. ALERT ---------- */
.alert{display:flex;gap:14px;align-items:flex-start;padding:20px 24px;border-radius:var(--r-md);
  font-size:15px;line-height:1.72}
.alert svg{flex:0 0 auto;width:20px;height:20px;margin-top:2px;fill:none;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.alert b{font-weight:700}
.alert-warn{background:var(--warn-bg);color:#6b4310;border:1px solid #f0dcb8}
.alert-warn svg{stroke:var(--warn)}
.alert-info{background:var(--info-bg);color:#16455f;border:1px solid #cfe2ee}
.alert-info svg{stroke:var(--info)}
.alert-neutral{background:var(--cream-50);color:var(--ink-700);border:1px solid var(--line)}
.alert-neutral svg{stroke:var(--ink-500)}
.alert-dark{background:var(--od-glass);border:1px solid var(--od-line);color:var(--od-70)}
.alert-dark svg{stroke:var(--gold)}
.alert-dark b{color:var(--od-100)}
.note-sm{font-size:13.5px;color:var(--ink-500);line-height:1.7}
.dark .note-sm,.darker .note-sm{color:var(--od-50)}

/* ---------- 11. DATA TABLE ---------- */
.table-wrap{max-width:var(--table-max);overflow-x:auto;border:1px solid var(--line);
  border-radius:var(--r-md);background:#fff;-webkit-overflow-scrolling:touch}
.dtable{min-width:520px;font-size:15px}
/* 3열 이상 표는 좁은 화면에서 칸이 눌리지 않도록 최소 폭을 넓힌다 */
.dtable.wide{min-width:800px}
.dtable th,.dtable td{padding:15px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.dtable tr:last-child th,.dtable tr:last-child td{border-bottom:0}
.dtable th{width:200px;font-weight:700;color:var(--ink-800);background:var(--cream-50);white-space:nowrap}
.dtable td{color:var(--ink-700);line-height:1.7}
.dtable td.na{color:var(--ink-400)}

/* ---------- 12. ACCORDION ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.55}
.acc-q:hover{color:var(--crimson)}
.acc-q .ai{position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:8px;
  background:var(--cream-100);display:grid;place-items:center;transition:.3s var(--ease);margin-top:1px}
.acc-q .ai::before,.acc-q .ai::after{content:"";position:absolute;background:var(--crimson);border-radius:2px}
.acc-q .ai::before{width:12px;height:2px}
.acc-q .ai::after{width:2px;height:12px;transition:.3s var(--ease)}
.acc-q[aria-expanded="true"] .ai{background:var(--grad-accent)}
.acc-q[aria-expanded="true"] .ai::before,.acc-q[aria-expanded="true"] .ai::after{background:#0a0507}
.acc-q[aria-expanded="true"] .ai::after{transform:rotate(90deg);opacity:0}
.acc-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.acc-a.open{grid-template-rows:1fr}
.acc-a>.acc-inner{overflow:hidden}
.acc-a .acc-body{padding:0 4px 26px;font-size:15.5px;color:var(--ink-700);line-height:1.8;max-width:var(--measure)}
.acc-a .acc-body p+p{margin-top:14px}
.acc-a .acc-body a{color:var(--crimson);font-weight:600;border-bottom:1px solid rgba(200,16,46,.3)}

/* ---------- 13. RESEARCH CARD ---------- */
.rcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;transition:.3s var(--ease);height:100%}
.rcard:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:transparent}
.rcard-top{display:flex;align-items:center;gap:7px;margin-bottom:14px;flex-wrap:wrap}
.rcard h3{font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rcard .authors{margin-top:10px;font-size:13px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rcard .summary{margin-top:12px;font-size:14.5px;color:var(--ink-700);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rcard .cond{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.rcard .cond span{font-family:var(--mono);font-size:11.5px;padding:4px 9px;border-radius:7px;
  background:var(--cream-50);border:1px solid var(--line);color:var(--ink-700)}
.rcard-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.rcard-foot .jr{font-size:12.5px;color:var(--ink-400);min-width:0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot .link-arw{flex:0 0 auto}

/* ---------- 14. STATES ---------- */
.empty{grid-column:1/-1;text-align:center;padding:72px 24px;background:#fff;
  border:1px dashed var(--line-strong);border-radius:var(--r-lg)}
.empty .ei{width:56px;height:56px;border-radius:16px;background:var(--cream-100);margin:0 auto 18px;
  display:grid;place-items:center}
.empty .ei svg{width:26px;height:26px;stroke:var(--ink-400);fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round}
.empty h4{font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.empty p{font-size:14.5px;color:var(--ink-500);line-height:1.7;max-width:440px;margin:0 auto 22px}
.skeleton{background:linear-gradient(90deg,var(--cream-100) 25%,var(--cream-50) 50%,var(--cream-100) 75%);
  background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:var(--r-sm)}
@keyframes shimmer{to{background-position:-200% 0}}
.sk-card{height:262px;border-radius:var(--r-lg)}

/* ---------- 15. PAGINATION ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:var(--s7);flex-wrap:wrap}
.pager button{min-width:40px;height:40px;padding:0 12px;border-radius:10px;font-size:14px;
  font-weight:600;color:var(--ink-700);background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.pager button:hover:not([disabled]):not([aria-current]){border-color:var(--crimson);color:var(--crimson)}
.pager button[aria-current="page"]{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.pager button[disabled]{opacity:.35;cursor:default}
.pager .dots{color:var(--ink-400);padding:0 4px}

/* ---------- 16. ADVISOR ---------- */
.adv{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.3s var(--ease);height:100%}
.adv:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:var(--line-strong)}
.adv .ph{position:relative;aspect-ratio:1/1.14;overflow:hidden;background:linear-gradient(180deg,#f5ece0,#ece1cf)}
.adv .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.adv .body{padding:16px 16px 18px;border-top:1px solid var(--line)}
.adv .field{font-family:var(--sans);font-size:12px;font-weight:700;color:var(--crimson)}
.adv h4{font-size:17px;font-weight:800;color:var(--ink-900);margin:6px 0 3px}
.adv h4 em{font-style:normal;font-size:11px;color:var(--ink-400);font-weight:500;margin-left:5px;
  font-family:var(--mono);letter-spacing:.04em}
.adv .role{font-size:12.5px;color:var(--ink-500);line-height:1.55}

/* ---------- 17. STATS ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{position:relative;padding:34px 24px;border-radius:var(--r-lg);text-align:center;
  background:var(--od-glass);border:1px solid var(--od-line);overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-accent);opacity:.75}
.stat .num{font-size:clamp(34px,4.4vw,52px);font-weight:800;line-height:1.05;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .num.txt{font-size:clamp(24px,3vw,34px)}
.stat .unit{font-size:19px;font-weight:700;margin-left:2px;-webkit-text-fill-color:var(--gold-lt);color:var(--gold-lt)}
.stat .lbl{margin-top:13px;font-size:14.5px;font-weight:600;color:var(--od-100)}
.stat .sub{margin-top:6px;font-size:12.5px;color:var(--od-50)}
.stats-note{text-align:center;margin-top:26px;font-size:13px;color:var(--od-50)}

/* ---------- 18. CONTENT CARD ---------- */
.ccard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:.3s var(--ease);height:100%}
.ccard:hover{transform:translateY(-5px);box-shadow:var(--sh-lg)}
.ccard .thumb{position:relative;aspect-ratio:16/9;display:grid;place-items:center;overflow:hidden}
.ccard .thumb.t-press{background:linear-gradient(135deg,#f6ece0,#ece1cf)}
.ccard .thumb.t-video{background:linear-gradient(135deg,#1b0a11,#2b1119)}
.ccard .thumb.t-column{background:linear-gradient(135deg,#f8eee2,#f0e2ce)}
.ccard .thumb svg{width:44px;height:44px;fill:none;stroke-width:1.4;stroke-linecap:round;
  stroke-linejoin:round;stroke:var(--ink-400)}
.ccard .thumb.t-video svg{stroke:var(--gold-lt)}
.ccard .thumb img{width:100%;height:100%;object-fit:cover}
.ccard .ctype{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:700;padding:5px 11px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--ink-800)}
.ccard .thumb.t-video .ctype{background:rgba(10,5,7,.75);color:var(--gold-lt)}
.ccard .cbody{padding:20px;display:flex;flex-direction:column;flex:1}
.ccard .date{font-family:var(--mono);font-size:12px;color:var(--ink-400)}
.ccard h4{margin:8px 0;font-size:16.5px;font-weight:700;color:var(--ink-900);line-height:1.52;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ccard p{font-size:14px;color:var(--ink-700);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ccard .cfoot{margin-top:auto;padding-top:16px}
.ccard.placeholder{border-style:dashed;border-color:var(--line-strong);background:var(--cream-50);box-shadow:none}
.ccard.placeholder:hover{transform:none;box-shadow:none}
.ccard.placeholder h4{color:var(--ink-500)}

/* ---------- 19. REVEAL ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- 20. FOOTER ---------- */
.site-footer{background:var(--bg-950);color:var(--od-70);padding:var(--s8) 0 var(--s6);
  border-top:1px solid var(--od-line)}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:36px;padding-bottom:var(--s6)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.75;color:var(--od-50);max-width:272px}
.foot-col h5{font-size:13.5px;font-weight:700;color:var(--od-100);margin-bottom:14px}
.foot-col a{display:block;font-size:13.5px;color:var(--od-50);padding:6px 0;transition:.2s}
.foot-col a:hover,.foot-col a:focus-visible{color:var(--gold-lt)}
.foot-operator{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:20px 24px;
  background:var(--od-glass);border:1px solid var(--od-line);border-radius:var(--r-md);margin-bottom:22px}
.foot-operator .op-label{font-size:11.5px;font-weight:700;letter-spacing:.12em;color:var(--gold);
  font-family:var(--mono);text-transform:uppercase}
.foot-operator .op-name{font-size:14.5px;color:var(--od-100);font-weight:700}
.foot-operator .op-name span{font-weight:400;color:var(--od-50);font-size:13.5px}
.foot-disc{font-size:12.5px;line-height:1.85;color:var(--od-50);padding:20px 0;
  border-top:1px solid var(--od-line);border-bottom:1px solid var(--od-line)}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding-top:22px}
.foot-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.foot-bottom .links a{font-size:13px;color:var(--od-50)}
.foot-bottom .links a:hover{color:var(--gold-lt)}
.foot-bottom .copy{font-size:12.5px;color:var(--od-30);font-family:var(--mono)}

/* ---------- 20-B. MAIN HERO (메인페이지 전용) ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(120% 92% at 50% 32%,#1f0810 0%,#130809 55%,#0a0405 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(circle at 50% 44%,transparent 32%,rgba(5,3,8,.55) 80%)}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.hero-glow{position:absolute;z-index:0;border-radius:50%;filter:blur(80px);opacity:.5}
.hero-glow.g1{width:520px;height:520px;top:-140px;left:8%;
  background:radial-gradient(circle,rgba(139,92,246,.47),transparent 70%)}
.hero-glow.g2{width:460px;height:460px;top:20%;right:2%;
  background:radial-gradient(circle,rgba(192,38,211,.4),transparent 70%)}
.blob{position:absolute;z-index:2;border-radius:50%;filter:blur(2px);opacity:.5;
  background:radial-gradient(circle at 35% 30%,#efd08a,#7e0f20);
  box-shadow:0 0 46px rgba(155,27,51,.67);animation:floaty 7s ease-in-out infinite}
.blob:nth-of-type(4){animation-duration:9s}
.blob:nth-of-type(5){animation-duration:11s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-24px)}}
.hero-inner{position:relative;z-index:5;text-align:center;max-width:940px;margin:0 auto;
  padding:calc(var(--nav-h) + 56px) var(--gutter) 96px}
.hero-eyebrow{color:var(--gold-lt);font-family:var(--mono);margin-bottom:26px;
  opacity:0;animation:fadeUp .8s var(--ease) .1s forwards}
.hero-h1{opacity:0;animation:fadeUp .9s var(--ease) .25s forwards;
  color:var(--od-100);text-shadow:0 0 70px rgba(155,27,51,.45)}
.pemf-word{display:block;font-weight:900;font-size:clamp(3.6rem,12.5vw,9.6rem);
  line-height:.86;letter-spacing:-.05em;color:var(--od-100)}
.pemf-word .x{color:var(--gold-lt)}
.hero-kr{margin:24px 0 0;font-weight:800;font-size:clamp(1.05rem,1.9vw,1.42rem);
  letter-spacing:-.02em;color:var(--od-100);opacity:0;animation:fadeUp .9s var(--ease) .4s forwards}
.hero-kr b{color:var(--gold-lt)}
.hero-sub{margin:20px auto 0;max-width:620px;font-size:clamp(14.5px,1.9vw,17px);
  line-height:1.78;color:var(--od-70);opacity:0;animation:fadeUp .9s var(--ease) .55s forwards}
.hero-cta{margin-top:40px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
  opacity:0;animation:fadeUp .9s var(--ease) .7s forwards}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:5;
  color:var(--od-50);font-size:11px;letter-spacing:.16em;font-family:var(--mono);
  display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-scroll .mouse{width:24px;height:38px;border:1.5px solid var(--od-30);border-radius:14px;position:relative}
.hero-scroll .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);
  width:3px;height:7px;border-radius:2px;background:var(--gold-lt);animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}
  60%{opacity:1;transform:translate(-50%,10px)}100%{opacity:0;transform:translate(-50%,12px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
  .hero-eyebrow,.hero-h1,.hero-kr,.hero-sub,.hero-cta{opacity:1;animation:none}
}

/* ---------- 20-C. 궤도형 코어 그래픽 (M-02) ---------- */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.split.rev{grid-template-columns:1.15fr .85fr}
.orbit{position:relative;aspect-ratio:1/1;max-width:420px;width:100%;margin:0 auto;display:grid;place-items:center}
.orbit .ring{position:absolute;border-radius:50%;border:1px solid var(--od-line)}
.orbit .r1{inset:0;animation:spin 34s linear infinite}
.orbit .r2{inset:13%;border-color:rgba(212,162,76,.24);animation:spin 24s linear infinite reverse}
.orbit .r3{inset:27%;border-color:rgba(200,16,46,.28);animation:spin 17s linear infinite}
.orbit .ring::before{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;
  background:var(--gold-lt);box-shadow:0 0 16px rgba(240,212,138,.9);transform:translateX(-50%)}
.orbit .r3::before{background:var(--crimson-lt);box-shadow:0 0 16px rgba(226,59,69,.9)}
.orbit .core{position:relative;z-index:2;width:32%;aspect-ratio:1/1;border-radius:50%;
  background:var(--grad-accent);display:grid;place-items:center;
  box-shadow:0 0 60px rgba(200,16,46,.5);animation:pulseCore 3.4s ease-in-out infinite}
.orbit .core span{font-family:var(--mono);font-size:clamp(12px,1.5vw,16px);font-weight:700;color:#0a0507;letter-spacing:.06em}
.orbit .halo{position:absolute;inset:-8%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(200,16,46,.18),transparent 62%)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulseCore{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
@media (prefers-reduced-motion:reduce){.orbit .ring,.orbit .core{animation:none}}

/* 차별점 리스트 */
.pts{margin-top:32px;display:flex;flex-direction:column;gap:2px}
.pts li{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-top:1px solid var(--od-line)}
.pts li:last-child{border-bottom:1px solid var(--od-line)}
.pts .n{flex:0 0 auto;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--gold);
  padding-top:3px;letter-spacing:.06em}
.pts h4{font-size:16.5px;font-weight:700;color:var(--od-100);margin-bottom:5px}
.pts p{font-size:14.5px;color:var(--od-70);line-height:1.72}
.light .pts li,.light-gray .pts li{border-color:var(--line)}
.light .pts h4,.light-gray .pts h4{color:var(--ink-900)}
.light .pts p,.light-gray .pts p{color:var(--ink-700)}
.light .pts .n,.light-gray .pts .n{color:var(--gold-dk)}

/* 프로세스 스텝 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:st}
.step{position:relative;padding:26px 20px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line)}
.step .n{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--crimson);letter-spacing:.08em}
.step h4{margin:10px 0 8px;font-size:16.5px;font-weight:800;color:var(--ink-900)}
.step p{font-size:14px;color:var(--ink-700);line-height:1.7}

/* ---------- 20-D. 도서 ---------- */
.book-row{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:center}
.book-cover{position:relative;border-radius:var(--r-md);overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.5);border:1px solid var(--od-line)}
.book-cover img{width:100%;height:auto}
.book-info h3{font-size:clamp(21px,2.7vw,30px);font-weight:800;color:var(--od-100);line-height:1.34}
.book-info .by{margin-top:14px;font-size:14.5px;color:var(--gold-lt);font-weight:600}
.book-info .desc{margin-top:20px;font-size:15.5px;line-height:1.82;color:var(--od-70);max-width:600px}
.book-info .desc p+p{margin-top:12px}
.book-info .book-cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.light .book-info h3{color:var(--ink-900)}
.light .book-info .desc{color:var(--ink-700)}
.light .book-info .by{color:var(--gold-dk)}
.light .book-cover{border-color:var(--line);box-shadow:var(--sh-lg)}

/* ---------- 20-E. CTA 밴드 ---------- */
.cta-band{position:relative;overflow:hidden;text-align:center}
.cta-band::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:760px;height:760px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(155,27,51,.28),transparent 62%)}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;color:var(--od-100);line-height:1.3}
.cta-band p{margin:18px auto 0;max-width:600px;font-size:16px;line-height:1.8;color:var(--od-70)}
.cta-band .btns{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* 섹션 상단 우측 링크 */
.sec-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:var(--s7)}
.sec-bar .sec-head{margin-bottom:0}

/* ---------- 20-F. 오해 카드 (P-01) ---------- */
.myths{display:flex;flex-direction:column;gap:14px;max-width:var(--table-max)}
.myth{display:grid;grid-template-columns:1fr 1.35fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden}
.myth>div{padding:24px 26px}
.myth .m{background:var(--cream-50);border-right:1px solid var(--line)}
.myth .lb{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;font-family:var(--mono);margin-bottom:10px}
.myth .m .lb{color:var(--ink-400)}
.myth .c .lb{color:var(--crimson)}
.myth .m p{font-size:15.5px;font-weight:700;color:var(--ink-500);line-height:1.65;
  text-decoration:line-through;text-decoration-color:rgba(200,16,46,.35);text-decoration-thickness:1.5px}
.myth .c p{font-size:15px;color:var(--ink-700);line-height:1.78}

/* ---------- 20-G. 용어집 ---------- */
.gloss{display:grid;grid-template-columns:repeat(2,1fr);gap:2px 40px;max-width:var(--table-max)}
.gloss div{padding:20px 0;border-top:1px solid var(--line)}
.gloss dt{font-size:15.5px;font-weight:700;color:var(--ink-900);margin-bottom:7px}
.gloss dd{font-size:14.5px;color:var(--ink-700);line-height:1.75}
.dark .gloss div,.darker .gloss div{border-color:var(--od-line)}
.dark .gloss dt,.darker .gloss dt{color:var(--od-100)}
.dark .gloss dd,.darker .gloss dd{color:var(--od-70)}

/* ---------- 20-H. 파형 패널 (P-02) ---------- */
.wf{display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:start;
  background:var(--od-glass);border:1px solid var(--od-line);border-radius:var(--r-lg);padding:30px;
  max-width:var(--table-max)}
.wf-ctrl .f+.f{margin-top:22px}
.wf-ctrl label{display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  font-size:13.5px;font-weight:600;color:var(--od-70);margin-bottom:10px}
.wf-ctrl label b{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--gold-lt)}
.wf-ctrl input[type=range]{width:100%;height:4px;border-radius:2px;appearance:none;
  background:linear-gradient(90deg,var(--gold) 0%,var(--crimson) 100%);outline:none}
.wf-ctrl input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;border-radius:50%;
  background:var(--cream-50);border:2px solid var(--crimson-lt);cursor:pointer;
  box-shadow:0 2px 8px rgba(0,0,0,.4)}
.wf-ctrl input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;
  background:var(--cream-50);border:2px solid var(--crimson-lt);cursor:pointer}
.wf-ctrl input[type=range]:focus-visible{outline:2px solid var(--gold-lt);outline-offset:4px}
.wf-ctrl .seg{display:flex;gap:6px;flex-wrap:wrap}
.wf-ctrl .seg button{flex:1;padding:9px 6px;border-radius:var(--r-sm);font-size:13px;font-weight:600;
  background:var(--od-glass-2);border:1px solid var(--od-line);color:var(--od-70);transition:.2s}
.wf-ctrl .seg button[aria-pressed="true"]{background:var(--gold-lt);border-color:var(--gold-lt);color:#0a0507}
.wf-view{min-width:0}
.wf-view canvas{width:100%;height:220px;display:block;border-radius:var(--r-md);
  background:rgba(0,0,0,.28);border:1px solid var(--od-line)}
.wf-read{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.wf-read span{font-family:var(--mono);font-size:12.5px;padding:7px 13px;border-radius:var(--r-pill);
  background:var(--od-glass-2);border:1px solid var(--od-line);color:var(--od-70)}
.wf-read span b{color:var(--gold-lt);font-weight:700}
.wf-note{margin-top:20px;max-width:var(--table-max)}

/* ---------- 20-I. 도서 상세 (P-04) ---------- */
.qlist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:var(--table-max)}
.qlist li{display:flex;gap:14px;align-items:flex-start;padding:22px 24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg)}
.qlist .q{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--grad-accent-soft);
  color:var(--crimson);font-family:var(--mono);font-size:12px;font-weight:700;display:grid;place-items:center}
.qlist p{font-size:15.5px;font-weight:600;color:var(--ink-900);line-height:1.6}
.stores{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.sub-hero.tall{min-height:auto;align-items:center}
.sub-hero.tall .container{padding-top:64px;padding-bottom:72px}
.sub-hero .book-row{margin-top:34px}

/* ---------- 20-J. 안전성 확인/미확인 (P-03) ---------- */
.twocol{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:var(--table-max)}
.tcol{border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);background:#fff}
.tcol.ok{border-color:#cfe3d3;background:#f6faf6}
.tcol.no{border-color:#f0dcb8;background:var(--warn-bg)}
.tcol h3{font-size:17.5px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.tcol.ok h3{color:#1f6b3a}.tcol.no h3{color:#6b4310}
.tcol h3 svg{width:19px;height:19px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tcol.ok h3 svg{stroke:#1f6b3a}.tcol.no h3 svg{stroke:#6b4310}
.tcol li{position:relative;padding-left:18px;font-size:15px;line-height:1.75;color:var(--ink-700)}
.tcol li+li{margin-top:12px}
.tcol li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%}
.tcol.ok li::before{background:#4a9160}.tcol.no li::before{background:var(--warn)}

/* ---------- 20-K. 참고문헌 목록 ---------- */
.reflist{counter-reset:ref;max-width:var(--table-max)}
.reflist li{counter-increment:ref;position:relative;padding:20px 0 20px 46px;border-top:1px solid var(--line)}
.reflist li:last-child{border-bottom:1px solid var(--line)}
.reflist li::before{content:counter(ref);position:absolute;left:0;top:20px;width:30px;height:30px;
  border-radius:9px;background:var(--cream-100);color:var(--ink-500);font-family:var(--mono);
  font-size:12.5px;font-weight:700;display:grid;place-items:center}
.reflist a{font-size:15.5px;font-weight:700;color:var(--ink-900);line-height:1.6;
  border-bottom:1px solid transparent;transition:.2s}
.reflist a:hover{color:var(--crimson);border-bottom-color:rgba(200,16,46,.35)}
.reflist .note-sm{display:block;margin-top:7px;font-family:var(--mono);font-size:12.5px;
  color:var(--ink-400);line-height:1.7;word-break:break-all}

/* ---------- 20-L. 연구소 소개 (I-01~I-05) ---------- */
/* 한 문장 정의 */
.oneline{position:relative;max-width:var(--measure);padding:8px 0 0 54px}
.oneline .q{position:absolute;left:0;top:-6px;font-size:64px;line-height:1;font-weight:800;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;opacity:.85}
.oneline p{font-size:clamp(19px,2.1vw,24px);font-weight:700;line-height:1.72;color:var(--ink-900)}
.ptlist{max-width:var(--measure);margin-top:30px;padding-left:54px}
.ptlist li{position:relative;padding-left:19px;font-size:15.5px;line-height:1.8;color:var(--ink-700)}
.ptlist li+li{margin-top:11px}
.ptlist li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;
  border-radius:50%;background:var(--grad-accent)}
.ptlist b{font-weight:700;color:var(--ink-900)}

/* 우리가 하지 않는 것 */
.nocard{position:relative;padding:26px 24px 28px;border-radius:var(--r-lg);
  background:var(--od-glass);border:1px solid var(--od-line);height:100%}
.nocard .x{display:block;width:34px;height:34px;border-radius:10px;position:relative;
  background:rgba(200,16,46,.12);border:1px solid rgba(226,59,69,.28);margin-bottom:16px}
.nocard .x::before,.nocard .x::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:1.6px;
  background:var(--crimson-lt);transform:translate(-50%,-50%) rotate(45deg)}
.nocard .x::after{transform:translate(-50%,-50%) rotate(-45deg)}
.nocard h3{font-size:17.5px;font-weight:800;color:var(--od-100);margin-bottom:9px}
.nocard p{font-size:14.5px;line-height:1.75;color:var(--od-70)}

/* 절차 흐름 */
.flow{counter-reset:fl;max-width:var(--table-max)}
.flow li{position:relative;display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:24px 0;border-top:1px solid var(--line)}
.flow li:last-child{border-bottom:1px solid var(--line)}
.flow .n{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.04em;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;padding-top:3px}
.flow h3{font-size:17.5px;font-weight:800;color:var(--ink-900);margin-bottom:7px}
.flow p{font-size:15px;line-height:1.78;color:var(--ink-700)}
.dark .flow li,.darker .flow li{border-color:var(--od-line)}
.dark .flow h3,.darker .flow h3{color:var(--od-100)}
.dark .flow p,.darker .flow p{color:var(--od-70)}

/* 체크리스트 */
.checklist{max-width:var(--measure)}
.checklist li{position:relative;padding-left:32px;font-size:15.5px;line-height:1.8;color:var(--ink-700)}
.checklist li+li{margin-top:13px}
.checklist li::before{content:"";position:absolute;left:2px;top:7px;width:15px;height:9px;
  border-left:2px solid var(--crimson);border-bottom:2px solid var(--crimson);
  transform:rotate(-45deg);border-radius:1px}
.checklist a{font-weight:700;color:var(--ink-900);border-bottom:1px solid rgba(200,16,46,.3)}
.checklist a:hover{color:var(--crimson)}

/* 원칙 카드 */
.pcard{position:relative;padding:28px 24px 30px;border-radius:var(--r-lg);background:#fff;
  border:1px solid var(--line);height:100%;transition:.3s var(--ease);overflow:hidden}
.pcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-accent);
  opacity:0;transition:.3s var(--ease)}
.pcard:hover{box-shadow:var(--sh-md);border-color:var(--line-strong);transform:translateY(-3px)}
.pcard:hover::before{opacity:1}
.pcard .n{font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--ink-400)}
.pcard h3{font-size:17.5px;font-weight:800;color:var(--ink-900);margin:11px 0 9px}
.pcard p{font-size:14.5px;line-height:1.78;color:var(--ink-700)}

/* 자문위원 상세 목록 */
.advlist{display:grid;gap:20px;max-width:var(--table-max)}
.advfull{display:grid;grid-template-columns:190px 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:.3s var(--ease)}
.advfull:hover{box-shadow:var(--sh-md);border-color:var(--line-strong)}
.advfull .ph{overflow:hidden;min-height:218px;background:linear-gradient(180deg,#f5ece0,#ece1cf)}
.advfull .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.advfull .body{padding:26px 28px 24px;display:flex;flex-direction:column}
.advfull .field{font-size:12px;font-weight:700;color:var(--crimson)}
.advfull h3{font-size:21px;font-weight:800;color:var(--ink-900);margin:7px 0 4px}
.advfull h3 em{font-style:normal;font-family:var(--mono);font-size:12px;font-weight:500;
  color:var(--ink-400);letter-spacing:.04em;margin-left:7px}
.advfull .role{font-size:14px;color:var(--ink-500);line-height:1.6}
.advmeta{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.advmeta>div{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:7px 0}
.advmeta dt{font-size:13px;font-weight:700;color:var(--ink-500)}
.advmeta dd{font-size:14.5px;line-height:1.72;color:var(--ink-800)}
.advfull .go{margin-top:auto;padding-top:18px;font-size:14px;font-weight:700;color:var(--crimson);
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start}
.advfull .go .arw{transition:transform .25s var(--ease)}
.advfull:hover .go .arw{transform:translateX(4px)}

/* 자문위원 상세 히어로 (I-04, JS 렌더) */
.advhero{display:grid;grid-template-columns:200px 1fr;gap:38px;align-items:center;margin-top:26px}
.advhero .ph{aspect-ratio:1/1.14;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--od-line);background:rgba(210,172,112,.07)}
.advhero .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.advhero h1{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--od-100);line-height:1.2;margin:10px 0}
.advhero h1 em{font-style:normal;display:block;font-family:var(--mono);font-size:14px;font-weight:400;
  color:var(--od-50);letter-spacing:.05em;margin-top:9px}
.advhero .lead{font-size:16.5px;color:var(--od-70);line-height:1.7}
.advhero .scope{margin-top:14px;font-size:14.5px;color:var(--od-50);line-height:1.75;max-width:640px}

/* 연구를 읽는 8가지 기준 */
.rd8-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.rd8{display:grid;grid-template-columns:38px 46px 1fr;gap:14px;align-items:start;
  padding:24px 22px;border-radius:var(--r-lg);background:var(--od-glass);border:1px solid var(--od-line)}
.rd8 .n{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--gold-mid);padding-top:9px}
.rd8 .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--od-glass-2);border:1px solid var(--od-line)}
.rd8 .ic svg{width:22px;height:22px;fill:none;stroke:var(--gold-lt);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round}
.rd8 h3{font-size:17px;font-weight:800;color:var(--od-100)}
.rd8 .tx>.sub{margin:5px 0 9px;font-family:var(--mono);font-size:12px;color:var(--od-50);letter-spacing:.02em}
.rd8 .tx>p:last-child{font-size:14.5px;line-height:1.78;color:var(--od-70)}

/* 섹션 헤더 + 우측 버튼 */
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  flex-wrap:wrap;margin-bottom:var(--s7)}
.sec-head-row .sec-head{margin-bottom:0}
.sec-head-row .btn{flex:none;margin-bottom:4px}

/* ---------- 20-M. 연구자료 목록 툴바 · 필터 (R-01) ---------- */
.rtool{position:sticky;top:var(--nav-h);z-index:60;background:rgba(250,246,239,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:18px 0 0}
.rtool-top{display:flex;align-items:center;gap:12px}
.rsearch{position:relative;flex:1;min-width:0}
.rsearch>svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:19px;height:19px;
  fill:none;stroke:var(--ink-400);stroke-width:1.7;stroke-linecap:round;pointer-events:none}
.rsearch input{width:100%;height:50px;padding:0 42px 0 45px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-strong);font-size:15px;color:var(--ink-900);
  transition:.22s var(--ease)}
.rsearch input::placeholder{color:var(--ink-400)}
.rsearch input:focus{outline:none;border-color:var(--crimson);box-shadow:0 0 0 3px rgba(200,16,46,.1)}
.rsearch .clr{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;
  border-radius:50%;display:none;place-items:center;color:var(--ink-400);font-size:17px;line-height:1}
.rsearch .clr:hover{background:var(--cream-100);color:var(--ink-800)}
.rsearch.has-v .clr{display:grid}

.rsel{height:50px;padding:0 38px 0 16px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line-strong);font-size:14.5px;font-weight:600;color:var(--ink-800);
  appearance:none;cursor:pointer;transition:.22s var(--ease);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237e6d5d' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:16px}
.rsel:hover{border-color:var(--crimson-lt)}
.rsel:focus{outline:none;border-color:var(--crimson);box-shadow:0 0 0 3px rgba(200,16,46,.1)}
.rsel.on{border-color:var(--crimson);color:var(--crimson);background-color:#fff}
.rsort{flex:0 0 auto}

.rfil-btn{display:none;align-items:center;gap:8px;height:50px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--ink-900);color:#fff;font-size:14.5px;font-weight:600;flex:0 0 auto}
.rfil-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.rfil-btn .n{min-width:20px;height:20px;padding:0 6px;border-radius:var(--r-pill);
  background:var(--crimson);font-family:var(--mono);font-size:11.5px;font-weight:700;
  display:none;align-items:center;justify-content:center}
.rfil-btn.has-n .n{display:inline-flex}

.rfil-scroll{padding:16px 0 4px}
.rfil-g{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rfil-g+.rfil-g{margin-top:12px}
.rfil-lb{font-size:12.5px;font-weight:700;letter-spacing:.02em;color:var(--ink-500);
  min-width:64px;flex:0 0 auto}
/* 넓은 화면에서는 셀렉트가 한 줄 흐름에 그대로 들어가고, 정렬은 상단 툴바 것만 쓴다 */
.rfil-selgrid{display:contents}
.rfil-head,.rfil-foot,.rfil-sortg{display:none}

.ract{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:15px 0;
  border-top:1px solid var(--line);margin-top:16px}
.rcount{font-size:14px;color:var(--ink-500);flex:0 0 auto}
.rcount b{font-family:var(--mono);font-size:15.5px;font-weight:700;color:var(--crimson)}
.ractchips{display:flex;gap:7px;flex-wrap:wrap;flex:1;min-width:0}
.actchip{display:inline-flex;align-items:center;gap:7px;padding:6px 9px 6px 13px;border-radius:var(--r-pill);
  background:var(--cream-100);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-800)}
.actchip .x{width:17px;height:17px;border-radius:50%;background:rgba(28,19,13,.09);color:var(--ink-500);
  display:grid;place-items:center;font-size:12px;line-height:1;transition:.2s}
.actchip .x:hover{background:var(--crimson);color:#fff}
.rreset{font-size:13.5px;font-weight:600;color:var(--ink-500);border-bottom:1px solid var(--line-strong);
  flex:0 0 auto;display:none}
.rreset:hover{color:var(--crimson);border-color:var(--crimson)}
.rreset.on{display:inline-block}
.rfil-dim{position:fixed;inset:0;background:rgba(10,5,7,.5);z-index:190;opacity:0;visibility:hidden;
  transition:.3s var(--ease)}
.rfil-dim.on{opacity:1;visibility:visible}

/* 결과 영역 */
.rgrid{grid-template-columns:repeat(3,1fr)}
.rcard[hidden]{display:none}
.rload{text-align:center;margin-top:var(--s7)}

/* ---------- 20-N. 연구 상세 (R-02) ---------- */
.rd-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.rd-hero h1{font-size:clamp(24px,3.3vw,38px);line-height:1.32;max-width:960px}
.rd-en{margin-top:14px;max-width:860px;font-size:14.5px;line-height:1.7;color:var(--od-50);
  font-style:normal}
.rd-by{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--od-70)}
.rd-by span{display:inline-flex;align-items:center;gap:8px}
.rd-by span+span::before{content:"";width:3px;height:3px;border-radius:50%;
  background:var(--od-30);margin-right:12px}
.rd-key{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:34px;
  background:var(--od-line);border:1px solid var(--od-line);border-radius:var(--r-md);overflow:hidden}
.rd-key>div{background:#130809;padding:18px 20px}
.rd-key dt{font-size:12px;font-weight:700;letter-spacing:.02em;color:var(--gold-mid);margin-bottom:7px}
.rd-key dd{font-size:14.5px;font-weight:600;line-height:1.6;color:var(--od-100)}
.rd-key dd.na{color:var(--od-30);font-weight:500}

.rblocks{counter-reset:rb;max-width:var(--table-max)}
.rblock{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px 28px;counter-increment:rb}
.rblock+.rblock{margin-top:16px}
.rblock>h3{display:flex;align-items:center;gap:12px;font-size:17.5px;font-weight:800;
  color:var(--ink-900);margin-bottom:13px}
.rblock>h3::before{content:counter(rb,decimal-leading-zero);font-family:var(--mono);font-size:12.5px;
  font-weight:700;color:var(--crimson);background:var(--cream-100);border-radius:8px;
  width:30px;height:26px;display:grid;place-items:center;flex:0 0 auto}
.rblock p{font-size:15.5px;line-height:1.82;color:var(--ink-700)}
.rblock p.na{color:var(--ink-400)}
.rblock.accent{border-color:rgba(200,16,46,.28);background:linear-gradient(180deg,#fffaf9,#fff)}
.rblock .sub{margin-top:6px;font-size:13px;color:var(--ink-400)}

.rd-kw{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.rd-src{max-width:var(--table-max);margin-top:26px;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--cream-50);border:1px solid var(--line)}
.rd-src .lb{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-500);
  text-transform:uppercase;margin-bottom:9px}
.rd-src p{font-size:14.5px;line-height:1.8;color:var(--ink-800);word-break:break-all}
.rd-src .links{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.rd-foot-nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:var(--s7)}

/* ---------- 20-O. 목록 필터 바 (N-01 · N-03 · C-01) ---------- */
.lbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-bottom:22px;
  border-bottom:1px solid var(--line);margin-bottom:var(--s6)}
.lbar-chips{display:flex;gap:8px;flex-wrap:wrap;flex:1;min-width:0}
.lbar-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.lbar .lcount{font-size:14px;color:var(--ink-500)}
.lbar .lcount b{font-family:var(--mono);font-size:15.5px;font-weight:700;color:var(--crimson)}
.lsearch{position:relative;width:250px;max-width:100%}
.lsearch>svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;
  fill:none;stroke:var(--ink-400);stroke-width:1.7;stroke-linecap:round;pointer-events:none}
.lsearch input{width:100%;height:44px;padding:0 16px 0 39px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line-strong);font-size:14.5px;color:var(--ink-900);transition:.22s var(--ease)}
.lsearch input::placeholder{color:var(--ink-400)}
.lsearch input:focus{outline:none;border-color:var(--crimson);box-shadow:0 0 0 3px rgba(200,16,46,.1)}
.ccard[hidden]{display:none}

/* 언론보도 카드의 외부 링크 표시 */
.ccard .ext{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  color:var(--ink-500)}
.ccard .ext svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.ccard .cmeta{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.ccard .src{font-size:12.5px;font-weight:700;color:var(--crimson)}
.ccard .dur{position:absolute;right:10px;bottom:10px;font-family:var(--mono);font-size:11.5px;
  font-weight:700;padding:4px 8px;border-radius:6px;background:rgba(10,5,7,.8);color:#f5ece0}
.ccard .cby{font-size:12.5px;color:var(--ink-500);line-height:1.6}
.ccard .cby b{font-weight:600;color:var(--ink-700)}
.chip[disabled]{opacity:.38;cursor:default;pointer-events:none}

/* 참고 연구자료 인용 목록 */
.cite{counter-reset:ct;max-width:var(--measure)}
.cite li{counter-increment:ct;position:relative;padding:16px 0 16px 44px;border-bottom:1px solid var(--line)}
.cite li:first-child{border-top:1px solid var(--line)}
.cite li::before{content:counter(ct,decimal-leading-zero);position:absolute;left:0;top:19px;
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--gold-dk)}
.cite a{font-size:15.5px;font-weight:700;color:var(--ink-900);line-height:1.55;display:block}
.cite a:hover{color:var(--crimson)}
.cite .m{margin-top:7px;font-size:13.5px;color:var(--ink-500);line-height:1.65}
.cite .m b{font-weight:600;color:var(--ink-700)}

/* ---------- 20-P. 칼럼 상세 (C-02) ---------- */
.cd-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;font-size:14px;color:var(--od-70)}
.cd-meta span{display:inline-flex;align-items:center;gap:8px}
.cd-wrap{display:grid;grid-template-columns:1fr 232px;gap:56px;align-items:start}
/* 그리드 아이템의 기본 min-width:auto 는 내부 .table-wrap 의 가로 스크롤을 막는다 */
.cd-wrap>*,.pol-wrap>*{min-width:0}
.cd-toc{position:sticky;top:calc(var(--nav-h) + 28px);border-left:2px solid var(--line);padding-left:20px}
.cd-toc .lb{font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-400);
  text-transform:uppercase;margin-bottom:13px}
.cd-toc a{display:block;font-size:14px;line-height:1.55;color:var(--ink-500);padding:7px 0;
  transition:.2s var(--ease)}
.cd-toc a:hover{color:var(--crimson)}
.cd-toc a.on{color:var(--ink-900);font-weight:700}
.cd-sum{padding:24px 26px;border-radius:var(--r-lg);background:var(--cream-50);
  border:1px solid var(--line);border-left:3px solid var(--gold);margin-top:var(--s7)}
.cd-sum .lb{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--ink-500);margin-bottom:11px}
.cd-sum ul li{position:relative;padding-left:19px;font-size:15px;line-height:1.75;color:var(--ink-800)}
.cd-sum ul li+li{margin-top:9px}
.cd-sum ul li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;
  border-radius:50%;background:var(--gold-dk)}
.cd-rev{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:var(--s6);
  padding:16px 20px;border-radius:var(--r-md);background:var(--cream-100);
  font-size:14px;color:var(--ink-700)}
.cd-foot-nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:var(--s7)}

/* ---------- 20-Q. FAQ (F-01) ---------- */
.faq-acc .acc-item:target,.faq-acc .acc-item.hit{background:linear-gradient(90deg,#fffaf9,#fff 60%)}
.faq-acc .acc-item[hidden]{display:none}
.faq-cat{font-size:11.5px;font-weight:700;letter-spacing:.02em;color:var(--crimson);
  display:block;margin-bottom:6px}
.acc-q .qtxt{display:block}
.faq-perma{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;
  font-weight:600;color:var(--ink-500)}
.faq-perma svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
.faq-perma:hover{color:var(--crimson)}
.faq-perma.copied{color:var(--ok)}
.faq-rev{font-size:13px;color:var(--ink-400);margin-top:12px}

/* ---------- 20-R. 정책 문서 (7.6) ---------- */
.pol-wrap{display:grid;grid-template-columns:236px 1fr;gap:56px;align-items:start}
.pol-toc{position:sticky;top:calc(var(--nav-h) + 28px);padding:22px 22px 24px;border-radius:var(--r-lg);
  background:var(--cream-50);border:1px solid var(--line)}
.pol-toc .lb{font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-400);
  text-transform:uppercase;margin-bottom:13px}
.pol-toc ol{counter-reset:pt;list-style:none}
.pol-toc li{counter-increment:pt}
.pol-toc a{display:flex;gap:9px;font-size:14px;line-height:1.5;color:var(--ink-500);
  padding:7px 0;transition:.2s var(--ease)}
.pol-toc a::before{content:counter(pt,decimal-leading-zero);font-family:var(--mono);font-size:11.5px;
  font-weight:700;color:var(--gold-dk);flex:0 0 auto;padding-top:2px}
.pol-toc a:hover{color:var(--crimson)}
.pol-toc a.on{color:var(--ink-900);font-weight:700}
.pol-body{max-width:var(--measure)}
.pol-body section+section{margin-top:var(--s8)}
.pol-body h2{display:flex;align-items:baseline;gap:12px;font-size:clamp(20px,2.3vw,25px);
  font-weight:800;color:var(--ink-900);line-height:1.4;margin-bottom:18px}
.pol-body h2 .no{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--crimson);
  background:var(--cream-100);border-radius:8px;padding:5px 9px;flex:0 0 auto}
.pol-body p{font-size:15.5px;line-height:1.85;color:var(--ink-700)}
.pol-body p+p,.pol-body ul+p,.pol-body p+ul,.pol-body .alert+p{margin-top:16px}
.pol-body ul{margin-top:14px}
.pol-body ul li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.8;color:var(--ink-700)}
.pol-body ul li+li{margin-top:9px}
.pol-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--gold-dk)}
.pol-body ul li b{color:var(--ink-900);font-weight:700}
.pol-body .alert{margin-top:18px}
.pol-body .table-wrap{margin-top:18px}
.pol-updated{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;font-size:14px;color:var(--od-70)}
.pol-updated span{display:inline-flex;align-items:center;gap:8px}

/* ---------- 21. RESPONSIVE ---------- */
@media (max-width:1080px){
  .foot-top{grid-template-columns:1fr 1fr 1fr;gap:30px}
  .foot-brand{grid-column:1/-1}
  .g5{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .split,.split.rev{grid-template-columns:1fr;gap:44px}
  .orbit{max-width:320px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .book-row{grid-template-columns:280px 1fr;gap:40px}
  .rgrid{grid-template-columns:repeat(2,1fr)}
  .rd-key{grid-template-columns:repeat(2,1fr)}
  .cd-wrap{grid-template-columns:1fr 200px;gap:38px}
  .pol-wrap{grid-template-columns:206px 1fr;gap:38px}
}
@media (max-width:900px){
  :root{--nav-h:64px}
  .nav-menu,.nav-right .btn{display:none}
  .nav-toggle{display:flex}
  .sec-pad{padding:var(--s8) 0}
  .sec-pad-lg{padding:var(--s9) 0}
  .g3,.g2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .sub-hero{min-height:340px}
  .sub-hero .container{padding-top:34px;padding-bottom:38px}
  .dtable th{width:132px;padding:13px 14px;font-size:13.5px}
  .dtable td{padding:13px 14px;font-size:14.5px}
  .hero{min-height:88vh}
  .hero-inner{padding:calc(var(--nav-h) + 40px) var(--gutter) 84px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .book-row{grid-template-columns:1fr;gap:32px;max-width:560px;margin:0 auto}
  .book-cover{max-width:280px}
  .myth{grid-template-columns:1fr}
  .myth .m{border-right:0;border-bottom:1px solid var(--line)}
  .gloss{grid-template-columns:1fr;gap:0}
  .wf{grid-template-columns:1fr;gap:26px;padding:24px}
  .qlist,.twocol{grid-template-columns:1fr}
  .oneline{padding-left:0;padding-top:34px}
  .oneline .q{top:-16px;font-size:52px}
  .ptlist{padding-left:0}
  .flow li{grid-template-columns:52px 1fr;gap:14px;padding:20px 0}
  .advfull{grid-template-columns:150px 1fr}
  .advfull .body{padding:22px 22px 20px}
  .advhero{grid-template-columns:150px 1fr;gap:24px;align-items:start}
  .rd8-list{grid-template-columns:1fr}
  .sec-head-row{align-items:flex-start}
  /* 연구자료 목록 — 필터를 바텀시트로 전환.
     backdrop-filter 는 자손 position:fixed 의 컨테이닝 블록을 만들어 바텀시트가
     화면이 아니라 툴바에 붙어버린다. 이 구간에서는 불투명 배경으로 대체한다. */
  .rtool{padding:14px 0 0;background:var(--cream-50);
    backdrop-filter:none;-webkit-backdrop-filter:none}
  .rfil-btn{display:inline-flex}
  .rsort{display:none}
  .rfil-body{position:fixed;left:0;right:0;bottom:0;z-index:200;background:#fff;
    border-radius:var(--r-xl) var(--r-xl) 0 0;box-shadow:0 -14px 44px rgba(10,5,7,.3);
    transform:translateY(102%);transition:transform .34s var(--ease);
    max-height:82vh;display:flex;flex-direction:column}
  .rfil-body.on{transform:translateY(0)}
  .rfil-head{display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:20px 22px 14px;border-bottom:1px solid var(--line);flex:0 0 auto}
  .rfil-head h4{font-size:17px;font-weight:800;color:var(--ink-900)}
  .rfil-x{width:34px;height:34px;border-radius:50%;background:var(--cream-100);color:var(--ink-700);
    display:grid;place-items:center;font-size:17px;line-height:1}
  /* min-height:0 이 없으면 flex 자식이 콘텐츠 높이만큼 늘어나 max-height 를 무시한다 */
  .rfil-scroll{padding:18px 22px 8px;overflow-y:auto;-webkit-overflow-scrolling:touch;
    flex:1 1 auto;min-height:0;overscroll-behavior:contain}
  .rfil-g{display:block}
  .rfil-sortg{display:block}
  .rfil-g+.rfil-g{margin-top:20px}
  .rfil-lb{display:block;margin-bottom:9px;min-width:0}
  .rfil-g .rsel{width:100%;height:46px}
  .rfil-selgrid{display:grid;grid-template-columns:1fr;gap:12px}
  .rfil-foot{display:flex;gap:10px;padding:14px 22px calc(18px + env(safe-area-inset-bottom));
    border-top:1px solid var(--line);flex:0 0 auto}
  .rfil-foot .rreset-b{flex:0 0 auto}
  .rfil-foot .rapply{flex:1}
  .rgrid{grid-template-columns:1fr}
  .rd-key{grid-template-columns:1fr}
  .rd-by span+span::before{display:none}
  .rd-by{gap:6px 14px}
  /* 칼럼 상세 · 정책 문서 — 사이드 목차를 본문 위로 접는다 */
  .cd-wrap,.pol-wrap{grid-template-columns:1fr;gap:0}
  .cd-toc{position:static;border-left:0;padding:20px 22px;border-radius:var(--r-lg);
    background:var(--cream-50);border:1px solid var(--line);margin-bottom:var(--s6)}
  .cd-toc a{padding:6px 0}
  .pol-toc{position:static;margin-bottom:var(--s6)}
  .pol-body{max-width:none}
  .cd-meta{gap:6px 16px}
}
@media (max-width:640px){
  :root{--gutter:18px}
  .g5,.g4{grid-template-columns:repeat(2,1fr)}
  .card,.rcard,.navcard{padding:20px}
  .foot-top{grid-template-columns:1fr 1fr;gap:24px}
  .prose{font-size:16px}
  .acc-q{font-size:16px;padding:20px 2px}
  .sub-hero{min-height:300px}
  .hero-scroll{display:none}
  .hero-cta .btn{flex:1 1 100%}
  .steps{grid-template-columns:1fr}
  .orbit{max-width:250px}
  .advfull{grid-template-columns:1fr}
  .advfull .ph{aspect-ratio:16/10}
  .advfull .ph img{object-position:50% 24%}
  .advmeta>div{grid-template-columns:1fr;gap:3px}
  .advhero{grid-template-columns:1fr;gap:20px}
  .advhero .ph{max-width:200px;aspect-ratio:1/1.1}
  .rd8{grid-template-columns:30px 1fr;gap:12px}
  .rd8 .ic{display:none}
  .nocard,.pcard{padding:22px 20px 24px}
  .rblock{padding:22px 20px 24px}
  .rd-src{padding:20px}
  .rd-foot-nav .btn{flex:1 1 100%}
  .lbar{gap:16px}
  .lbar-right{width:100%;justify-content:space-between}
  .lsearch{width:100%;order:-1}
  .cd-sum{padding:20px 20px 22px}
  .cd-foot-nav .btn{flex:1 1 100%}
  .pol-body h2{gap:10px}
  .pol-toc{padding:20px 20px 22px}
}
@media (max-width:420px){
  .g5,.g4{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
}

/* ---------- 22. MOTION PREFERENCE ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 23. PRINT ---------- */
@media print{
  .site-header,.m-drawer,.m-scrim,.site-footer,.nav-toggle,.pager{display:none!important}
  body{background:#fff;color:#000}
  .sub-hero{background:#fff;min-height:auto;padding-top:0}
  .sub-hero h1,.sub-hero .lead{color:#000}
}