/* MirryU 웹 공통 스타일 — 밝고 경쾌 · 틸+옐로 스파클 (브랜드 아이콘 기반) */
:root{
  --teal:#1B8B78; --teal-deep:#127360; --teal-bright:#27AC90; --teal-wash:#E6F4EF;
  --sun:#F6CE45; --sun-deep:#E9B923; --sun-soft:#FCEBA6;
  --ground:#F3F7F5; --card:#FFFFFF;
  --ink:#183028; --muted:#63756F; --faint:#9AA9A3;
  --line:#E4ECE8;
  --up:#2FAE86; --up-bg:#E6F5EE; --down:#E28C86; --down-bg:#FBEAE8;
  --badge-update:#EF9B2E; --badge-notice:#1B8B78;
  --banner:#FFF7DE; --banner-line:#F3E2A6;
  --sans:system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic","Pretendard","Segoe UI",sans-serif;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:800;display:inline-flex;align-items:center;gap:7px}
.eyebrow .sp{color:var(--sun-deep)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;font-family:var(--sans);transition:transform .16s,box-shadow .2s,background .2s,border-color .2s}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(27,139,120,.30)}
.btn-teal:hover{transform:translateY(-2px);background:var(--teal-deep)}
.btn-sun{background:var(--sun);color:#5b4708;box-shadow:0 8px 20px rgba(233,185,35,.35)}
.btn-sun:hover{transform:translateY(-2px);background:var(--sun-deep)}
.btn-white{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 4px 14px rgba(20,40,35,.06)}
.btn-white:hover{border-color:var(--teal);color:var(--teal)}
.gbtn{background:#fff;color:#3c4043;border:1px solid var(--line);box-shadow:0 6px 18px rgba(20,40,35,.10);font-weight:600}
.gbtn:hover{transform:translateY(-2px);border-color:#d2dad7}
h1,h2,h3,h4{text-wrap:balance}

/* header */
header.site{position:sticky;top:0;z-index:40;background:rgba(243,247,245,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 3px 9px rgba(27,139,120,.30)}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--muted);font-weight:600}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{display:flex;gap:2px;font-size:12px}
.lang a{color:var(--faint);padding:5px 8px;border-radius:8px;font-weight:700}
.lang a.on{background:var(--teal-wash);color:var(--teal)}
@media(max-width:820px){.nav-links{display:none}}
/* 햄버거 + 모바일 메뉴 */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:4px;width:40px;height:40px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;padding:0;flex:0 0 auto}
.hamburger span{display:block;width:19px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px;transition:transform .22s ease,opacity .2s ease}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;border-bottom:1px solid var(--line);background:rgba(243,247,245,.98);backdrop-filter:blur(12px)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:15px 22px;font-weight:700;font-size:16px;color:var(--ink);border-top:1px solid var(--line)}
.mobile-menu a:active{background:var(--teal-wash)}
.mm-lang{display:flex;gap:8px;padding:14px 22px 16px;border-top:1px solid var(--line)}
.mm-lang a{display:inline-block;padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:700;color:var(--muted)}
.mm-lang a.on{background:var(--teal);color:#fff;border-color:var(--teal)}
@media(max-width:820px){ .hamburger{display:flex} .nav-right .lang{display:none} }
@media(min-width:821px){ .mobile-menu{display:none !important} }
/* 임베드 모드(앱 WebView) — 게시판만, 화면 꽉 채움(둥근틀·그림자·여백 제거) */
body.embed{background:var(--card);overscroll-behavior:none}
/* 가로 스크롤 요소 자체를 없앰(흔들림 원인). 세로만 스크롤. 가로 스와이프는 JS가 탭 전환 */
body.embed .board-wrap{touch-action:pan-y}
body.embed .board-tabs{overflow-x:auto;scrollbar-width:none}   /* 메뉴 좌우 스크롤(홈 등 추가돼도 스크롤로 접근) */
body.embed .board-tabs::-webkit-scrollbar{display:none}
body.embed .board-tabs a{padding:13px 11px}
body.embed .appfilter{flex-wrap:nowrap;overflow-x:auto;touch-action:pan-x;scrollbar-width:none}  /* 필터 한 줄 가로 스크롤(고정 레이아웃이라 전체 흔들림 없음) */
body.embed .appfilter::-webkit-scrollbar{display:none}
body.embed .board-top{padding:11px 16px;border-radius:0}   /* '✦ MirryU 광장' 타이틀 바 (사용자 요청으로 유지) */
body.embed .board-top .title{font-size:16px}
body.embed .wrap{max-width:none;padding:0 16px}
body.embed .board-wrap,body.embed .post-detail{border:0;border-radius:0;box-shadow:none;margin:0}
body.embed .board-head{background:var(--card)}
/* 목록 임베드: 화면 높이 고정 → 메뉴는 완전 고정, 그 아래 게시판 영역만 내부 스크롤(WebView에서 sticky보다 확실) */
body.embed.board-list{height:100vh;height:100dvh;overflow:hidden}
body.embed.board-list main.wrap{height:100vh;height:100dvh;display:flex;flex-direction:column;min-height:0}
body.embed.board-list .board-wrap{flex:1 1 auto;display:flex;flex-direction:column;min-height:0;overflow:hidden}
body.embed.board-list .board-head{flex:0 0 auto}     /* 타이틀+탭 고정 */
body.embed.board-list .appfilter{flex:0 0 auto}      /* 필터도 고정 */
body.embed.board-list .board-body{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding-bottom:env(safe-area-inset-bottom)}
/* 글쓰기: 타이틀+메뉴는 그대로 두고 본문(게시판) 자리만 글쓰기로 교체 (웹·임베드 공통) */
.board-wrap.writing .board-body,
.board-wrap.writing .appfilter{display:none}
body.embed.board-list .woverlay{position:static;inset:auto;background:var(--card);backdrop-filter:none;padding:0;overflow:hidden}
body.embed.board-list .woverlay.open{display:flex;flex:1 1 auto;min-height:0;flex-direction:column}
body.embed.board-list .wmodal{height:auto;flex:1 1 auto;min-height:0;max-width:none;border-radius:0;box-shadow:none;padding:14px 16px calc(14px + env(safe-area-inset-bottom));display:flex;flex-direction:column;overflow-y:auto}
body.embed.board-list .wclose{display:none}   /* 헤더 남으니 × 대신 취소 버튼으로 */
body.embed.board-list #writeForm{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
body.embed.board-list .wgrow{flex:1 1 auto;display:flex;flex-direction:column;min-height:0;margin-bottom:8px}
body.embed.board-list .wgrow textarea{flex:1 1 auto;min-height:80px;resize:none}
body.embed.board-list .wactions{margin-top:12px}

/* 다크 테마 (?theme=dark — 다크 앱 WebView용). 틸/옐로 악센트는 유지. */
.theme-dark{
  --ground:#12201c; --card:#1b2924; --ink:#e9f1ee; --muted:#9fb4ae; --faint:#6f847e;
  --line:#2b3a34; --teal-wash:#173a31; --up-bg:#123026; --down-bg:#3a211f;
  --banner:#2c2612; --banner-line:#4a4020;
}
.theme-dark{background:var(--ground);color:var(--ink)}
.theme-dark .board-tabs,.theme-dark .appfilter a,.theme-dark .row,.theme-dark .post-detail,
.theme-dark .wmodal,.theme-dark .wfield input,.theme-dark .wfield textarea,.theme-dark .wfield select{background:var(--card);color:var(--ink)}
.theme-dark .board-tabs a{color:var(--faint)} .theme-dark .board-tabs a.on{color:#fff}
.theme-dark .row .desc,.theme-dark .post-detail .content,.theme-dark .empty{color:var(--muted)}
.theme-dark .wfield input::placeholder,.theme-dark .wfield textarea::placeholder{color:var(--faint)}
.theme-dark .cheer{color:#e9d9a0}

/* board */
.board-wrap{background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 22px 52px rgba(20,60,50,.10)}
.board-top{background:var(--teal);color:#fff;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.board-top .title{font-weight:800;font-size:18px;display:flex;align-items:center;gap:8px}
.board-top .title .sp{color:var(--sun)}
.board-tabs{display:flex;align-items:center;border-bottom:1px solid var(--line);background:#fff;overflow-x:auto}
.tab-write{margin-left:auto;margin-right:10px;flex:0 0 auto;background:var(--sun);color:#5b4708;border:0;border-radius:999px;font-weight:800;font-size:12.5px;padding:7px 13px;cursor:pointer;font-family:var(--sans);white-space:nowrap}
.tab-write:hover{background:var(--sun-deep)}
.tab-login{margin-left:auto;margin-right:10px;flex:0 0 auto;display:flex;align-items:center}
.board-tabs a.tab-login-btn{margin-left:auto;margin-right:14px;flex:0 0 auto;background:none;border:0;color:var(--teal);font-weight:800;font-size:13px;padding:8px 2px;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;cursor:pointer}
.board-tabs a.tab-login-btn:hover{text-decoration:underline}
/* 로그인 = 메뉴 밑에서 펼쳐지는 인라인 패널(화면 안 넘김) */
.login-panel{border-bottom:1px solid var(--line);background:var(--card);padding:16px;display:flex;flex-direction:column;align-items:center;gap:11px}
.login-panel[hidden]{display:none}
.login-panel .lp-sub{margin:0;color:var(--muted);font-size:12.5px;text-align:center;line-height:1.5}
.board-tabs a{padding:16px 22px;font-size:14.5px;font-weight:800;color:var(--faint);white-space:nowrap;flex:0 0 auto;box-shadow:inset 0 -2px 0 transparent}
.board-tabs a.tab-home{color:var(--teal)}   /* 홈페이지 가기(메뉴 끝) */
.board-tabs a.on{color:var(--teal);box-shadow:inset 0 -2px 0 var(--teal)}
.appfilter{display:flex;gap:8px;padding:14px 22px 2px;overflow-x:auto}
.appfilter a{flex:0 0 auto;font-size:12px;font-weight:700;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 13px}
.appfilter a.on{background:var(--teal);color:#fff;border-color:var(--teal)}
.board-body{padding:16px 22px 26px}
.writebar{background:linear-gradient(100deg,var(--teal),var(--teal-bright));color:#fff;border-radius:14px;padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.writebar .l b{font-size:15px}.writebar .l span{display:block;font-size:12px;opacity:.9}
.writebar .plus{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:20px}
.rows{display:flex;flex-direction:column;gap:12px}
.row{border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start;transition:box-shadow .2s,transform .16s;background:#fff}
.row:hover{box-shadow:0 12px 26px rgba(20,60,50,.09);transform:translateY(-2px)}
.thumb{flex:0 0 auto;width:54px;height:54px;border-radius:12px;object-fit:cover;background:var(--teal-wash)}
.row .main{flex:1;min-width:0}
.badge{font-size:10px;font-weight:800;color:#fff;padding:3px 9px;border-radius:7px;display:inline-block}
.badge.update{background:var(--badge-update)} .badge.notice{background:var(--badge-notice)}
.row h4{margin:0 0 4px;font-size:16px;font-weight:800}
.row .desc{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-foot{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.vote{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:800;padding:5px 12px;border-radius:999px;border:0;cursor:pointer;font-family:var(--sans)}
.vote.up{background:var(--up-bg);color:var(--up)} .vote.down{background:var(--down-bg);color:var(--down)}
.vote.on{outline:2px solid currentColor}
.rmeta{margin-left:auto;font-size:12px;color:var(--faint);font-weight:700}
.apptag{font-size:11px;color:var(--teal);background:var(--teal-wash);border-radius:6px;padding:3px 8px;font-weight:800}
.date{font-size:12px;color:var(--faint);margin-top:9px}
.cheer{margin-top:16px;background:var(--banner);border:1px solid var(--banner-line);border-radius:12px;padding:14px;text-align:center;color:#8a6d15;font-weight:800;font-size:14px}
.pager{display:flex;justify-content:center;margin-top:22px}

/* post detail */
.post-detail{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:0 14px 34px rgba(20,60,50,.08)}
/* 상세를 board-wrap(헤더 카드) 안에 넣을 때는 카드 중복 방지 — 테두리/그림자 제거 */
.board-wrap .post-detail{background:transparent;border:0;border-radius:0;box-shadow:none;padding:0}
.post-detail h1{font-size:26px;font-weight:800;margin:10px 0 0}
.post-detail .meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px;color:var(--faint);font-size:13px}
.post-detail .content{margin:20px 0 0;white-space:pre-line;color:#2b3b36;font-size:16px}
.comments{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}
.comment{padding:12px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}
.comment .who{font-size:12px;color:var(--teal);font-weight:800}
.comment p{margin:5px 0 0;font-size:14.5px}
.backlink{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:700;font-size:14px;margin-bottom:16px}

footer.site{padding:48px 0 64px;margin-top:40px;border-top:1px solid var(--line)}
.foot{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
.foot-links{display:flex;gap:38px;font-size:13px;color:var(--muted)}
.foot-links a{display:block;padding:5px 0}.foot-links a:hover{color:var(--teal)}
.copyr{margin-top:30px;font-size:12px;color:var(--faint);text-align:center}
.empty{padding:50px 10px;text-align:center;color:var(--faint)}

/* 글쓰기/댓글 폼 — 글쓰기는 모달 아님: 타이틀+메뉴 남기고 본문 자리만 교체(웹·임베드 공통) */
.woverlay{display:none;padding:0}
.woverlay.open{display:block}
.wmodal{background:var(--card);width:100%;max-width:none;border-radius:0;box-shadow:none;padding:18px 24px}
.wmodal h3{margin:0 0 4px;font-size:20px;font-weight:800}
.wmodal .wsub{margin:0 0 16px;color:var(--muted);font-size:13px}
.wclose{display:none}   /* 헤더가 남으니 × 대신 취소 버튼으로 닫음 */
.wfield{margin-bottom:12px}
.wfield label{display:block;font-size:12.5px;font-weight:800;color:var(--muted);margin-bottom:5px}
.wfield input,.wfield textarea,.wfield select{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 13px;font-family:var(--sans);font-size:14.5px;color:var(--ink);background:#fff}
.wfield textarea{min-height:120px;resize:vertical}
.wfield input:focus,.wfield textarea:focus,.wfield select:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.wactions{display:flex;gap:10px;margin-top:16px}
.wactions .btn{flex:1}
.wmsg{margin-top:10px;font-size:13px;font-weight:700;min-height:18px;color:var(--muted)}
.cform{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.cform .wfield textarea{min-height:76px}

/* ---- landing ---- */
.hero{padding:60px 0 34px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;top:-140px;right:-90px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(39,172,144,.18),transparent 62%);z-index:0}
.hero:after{content:"";position:absolute;bottom:-170px;left:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(246,206,69,.20),transparent 62%);z-index:0}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
@media(max-width:860px){.hero-in{grid-template-columns:1fr;gap:30px}}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:900;letter-spacing:-.03em;line-height:1.07;margin:14px 0 0}
.hero h1 .g{color:var(--teal)}
.hero .lead{font-size:18px;color:var(--muted);margin:16px 0 0;max-width:44ch}
.hero-cta{display:flex;gap:12px;margin:26px 0 0;flex-wrap:wrap}
.perk{display:flex;gap:16px;margin:22px 0 0;flex-wrap:wrap}
.perk span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);font-weight:700}
.perk .ck{width:18px;height:18px;border-radius:50%;background:var(--teal-wash);color:var(--teal);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:11px}
.phone{justify-self:center;width:280px;height:560px;background:#fff;border-radius:34px;border:1px solid var(--line);box-shadow:0 30px 68px rgba(20,60,50,.20);overflow:hidden;display:flex;flex-direction:column}
.ph-head{background:var(--teal);color:#fff;padding:15px;font-weight:800;font-size:15px}
.ph-tabs{display:flex;background:#fff;border-bottom:1px solid var(--line);font-size:12px}
.ph-tabs div{flex:1;text-align:center;padding:10px 0;color:var(--faint);font-weight:700}
.ph-tabs div.on{color:var(--teal);box-shadow:inset 0 -2px 0 var(--teal)}
.ph-body{padding:11px;background:#F5F8F7;flex:1;overflow:hidden}
.ph-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px;margin-bottom:9px}
.ph-card h5{margin:0 0 3px;font-size:12.5px}.ph-card p{margin:0;font-size:10.5px;color:var(--muted)}
.band{padding:64px 0}
h2.st{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;margin:12px 0 0}
.sub{color:var(--muted);max-width:56ch;margin:12px 0 0}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
@media(max-width:820px){.apps{grid-template-columns:repeat(2,1fr)}}
.app{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;gap:13px;align-items:center;transition:transform .18s,box-shadow .2s}
.app:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,60,50,.10)}
.app img{width:52px;height:52px;border-radius:14px;flex:0 0 auto;box-shadow:0 5px 12px rgba(27,139,120,.22)}
.app h3{margin:0;font-size:15px;font-weight:800}.app p{margin:2px 0 0;color:var(--muted);font-size:12px}
.app .b{margin-left:auto;font-size:9px;font-weight:800;padding:3px 8px;border-radius:6px;letter-spacing:.05em}
.app .b.live{color:var(--teal);background:var(--teal-wash)} .app .b.soon{color:var(--faint);background:#EEF2F0}
.signup{position:relative;background:linear-gradient(135deg,var(--teal),var(--teal-bright));color:#fff;border-radius:24px;padding:46px 38px;text-align:center;overflow:hidden}
.signup h2{color:#fff;font-size:clamp(23px,3.4vw,34px);font-weight:900;margin:0}
.signup p{color:rgba(255,255,255,.92);margin:14px auto 0;max-width:46ch}
.steps{display:flex;gap:14px;justify-content:center;margin:24px 0;flex-wrap:wrap}
.step{background:rgba(255,255,255,.16);border-radius:14px;padding:15px 18px;min-width:180px;text-align:left}
.step b{display:block;font-size:14px}.step span{font-size:12px;color:rgba(255,255,255,.88)}
.step .num{display:inline-block;width:23px;height:23px;border-radius:50%;background:var(--sun);color:#5b4708;font-size:12px;font-weight:900;text-align:center;line-height:23px;margin-bottom:7px}

/* 특허 쇼케이스 (히어로 우측) */
.pat-badge{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:12.5px;font-weight:800;color:var(--teal);background:var(--teal-wash);border:1px solid rgba(27,139,120,.18);padding:6px 13px;border-radius:999px}
.patents{display:flex;flex-direction:column;gap:16px;justify-self:center;width:100%;max-width:370px}
.pcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 18px 44px rgba(20,60,50,.12);overflow:hidden}
.pcard.p1{background:linear-gradient(170deg,#ffffff,#EFFAF6)}
.pcard .sp{position:absolute;top:15px;right:17px;color:var(--sun);font-size:16px}
.pbadge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:900;color:#5b4708;background:var(--sun);padding:4px 11px;border-radius:999px;letter-spacing:.02em}
.pcard h3{margin:13px 0 4px;font-size:18px;font-weight:800;letter-spacing:-.01em}
.pcard p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5}
.pbig{font-size:46px;font-weight:900;color:var(--teal);line-height:1;margin-top:12px;letter-spacing:-.03em}
.pbig span{font-size:20px;font-weight:800;margin-left:3px;color:var(--teal-deep)}
.tview{margin:10px 0 2px;height:128px;border-radius:14px;background:linear-gradient(160deg,#0f1c19,#173029);border:1px solid rgba(39,172,144,.32);overflow:hidden}
.tview svg{display:block;width:100%;height:100%}
@media(max-width:640px){ .patents{max-width:100%} .pbig{font-size:40px} }

/* flex 자식이 안 줄어 생기는 가로 오버플로 방지 (전 화면) */
html,body{max-width:100%;overflow-x:clip}   /* clip: 가로 오버플로 막되 position:sticky 안 깨짐(hidden은 깸) */
.app>div{min-width:0}
.app h3,.app p{overflow-wrap:anywhere}

/* ---- 모바일 (≤640px) ---- */
@media(max-width:640px){
  .wrap{padding:0 16px}
  .nav{height:56px}
  .brand{font-size:17px} .brand img{width:30px;height:30px}
  .nav-right{gap:8px}
  .lang a{padding:4px 5px}
  .nav-right .btn-teal{padding:8px 13px;font-size:13px}
  h2.st{font-size:23px}
  .hero{padding:36px 0 22px}
  .hero h1{font-size:29px}
  .hero .lead{font-size:15.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .perk{gap:8px 14px}
  .apps{grid-template-columns:1fr;gap:10px}
  .app{padding:13px 15px}
  .app img{width:46px;height:46px}
  .app .b{white-space:nowrap;flex:0 0 auto}
  .phone{width:100%;max-width:300px}
  .signup{padding:32px 18px;border-radius:20px}
  .signup h2{font-size:23px}
  .steps{flex-direction:column;gap:10px}
  .step{min-width:0;width:100%}
  .board-top{padding:15px 16px}
  .board-top .title{font-size:16px}
  .board-top .btn{padding:8px 12px;font-size:13px}
  .board-body{padding:12px 14px 22px}
  .board-tabs a{padding:14px 15px;font-size:13.5px}
  .appfilter{padding:12px 14px 2px}
  .row{padding:14px}
  .row h4{font-size:15px}
  .row .desc{font-size:13.5px}
  .row-foot{gap:8px}
  .rmeta{margin-left:0}
  .post-detail{padding:22px 18px}
  .post-detail h1{font-size:22px}
  .foot{gap:22px}
  .foot-links{gap:26px}
}