:root{--ink:#16292f;--muted:#5f747c;--line:#e2ebec;--bg:#f6f9f9;--card:#fff;--accent:#0f8a7e;--accent2:#14a596;--soft:#e4f3f0;--warn:#b3541e;--warn-soft:#fbecdf;--warn-line:#eecbad;--s:#1f9d57;--s-soft:#e6f6ed;--m:#c99700;--m-soft:#fbf3d6;--l:#c56a00;--l-soft:#fbebd9;--shadow:0 10px 30px rgba(16,60,60,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,'Segoe UI','Malgun Gothic','Apple SD Gothic Neo',sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}
header{position:sticky;top:0;z-index:50;background:rgba(246,249,249,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar{max-width:1000px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:11px 18px}
.brand{font-weight:900;font-size:15px;line-height:1.12}.brand small{display:block;font-weight:500;font-size:9px;color:var(--muted)}
nav{display:flex;gap:15px;font-size:13.5px;color:var(--muted)}nav a:hover{color:var(--accent)}
.lang{margin-left:auto;border:1.5px solid var(--accent);color:var(--accent);border-radius:22px;padding:4px 11px;font-size:12px;font-weight:800}
main{max-width:1000px;margin:0 auto;padding:22px 18px 70px;min-height:60vh}
.trust{background:var(--soft);border:1px solid #cbe7e1;border-radius:14px;padding:12px 16px;display:flex;gap:12px;align-items:center;font-size:13px;margin-bottom:18px}
.trust .ava{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#bfe0da,#8fc9c0);flex:none}.trust b{color:var(--accent)}
.hero{text-align:center;padding:14px 0 6px}.hero h1{font-size:26px;margin:6px 0}.hero p{color:var(--muted);margin:0 0 18px}
.ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta{border-radius:14px;padding:15px 20px;min-width:220px;text-align:left;border:1px solid var(--line);transition:transform .16s,box-shadow .2s;display:block}
.cta:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.cta.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.cta.p2{background:#eef2f2;color:var(--muted);border-style:dashed}
.cta .k{font-size:12px;opacity:.85;display:block}.cta .t{font-size:16px;font-weight:800;margin-top:2px;display:block}
.sec-h{font-size:17px;font-weight:800;margin:28px 0 6px;display:flex;align-items:center;gap:9px}.badge-g{font-size:12px;padding:2px 9px;border-radius:20px}
.sec-sub{color:var(--muted);font-size:12.5px;margin:0 0 14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 3px 12px rgba(16,60,60,.04);transition:transform .18s,box-shadow .2s;display:flex;gap:12px;align-items:flex-start}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card .th{width:52px;height:52px;flex:none}.cbody{min-width:0;display:block}
.card .nm{font-size:15px;font-weight:800;display:block}.card .en{font-size:11.5px;color:var(--muted);font-weight:500}
.card .sm{font-size:12px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gtag{display:inline-block;font-size:10.5px;font-weight:800;border-radius:7px;padding:1px 7px;margin-top:6px}
.g-S{background:var(--s-soft);color:var(--s)}.g-M{background:var(--m-soft);color:var(--m)}.g-L{background:var(--l-soft);color:var(--l)}
.cat-chip{display:inline-block;font-size:10.5px;font-weight:700;border-radius:20px;padding:1px 8px;margin-left:5px}
.ad{margin:24px 0;background:repeating-linear-gradient(45deg,#eef3f3,#eef3f3 12px,#e7eeee 12px,#e7eeee 24px);border:1px dashed #c3d0d0;border-radius:12px;text-align:center;color:#93a6a6;font-size:12px;padding:20px;letter-spacing:1px}
.center{text-align:center;margin-top:20px}
.btn{border:0;border-radius:13px;padding:10px 16px;font-size:13px;font-weight:800;cursor:pointer;display:inline-block;transition:transform .15s,box-shadow .2s}
.btn:active{transform:scale(.95)}.btn.primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(15,138,126,.3)}.btn.primary:hover{background:var(--accent2);transform:translateY(-2px)}
.btn.ghost{background:#fff;color:var(--accent);border:1.5px solid var(--soft)}.btn.ghost:hover{border-color:var(--accent)}
.ph{font-size:22px;margin:4px 0}
.filters{display:flex;flex-wrap:wrap;gap:7px;margin:6px 0 12px;align-items:center}.flabel{font-size:12px;color:var(--muted)}
.chip{border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:12.5px;background:#fff;cursor:pointer;user-select:none}.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.chip.clr{color:var(--muted)}
.disc{margin-top:26px;background:#eef2f2;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:12px;color:var(--muted)}
.note{font-size:11.5px;color:var(--muted);margin-top:6px}
footer{border-top:1px solid var(--line);margin-top:20px}.fbar{max-width:1000px;margin:0 auto;padding:18px 18px 6px;font-size:11.5px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}.fbar a:hover{color:var(--accent)}.fdisc{max-width:1000px;margin:0 auto;padding:0 18px 30px;font-size:11px;color:#93a2a2}
.bgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;display:block;transition:transform .18s,box-shadow .2s}.bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.bcard b{display:block;font-size:14.5px;margin:6px 0 4px}.bcard span{font-size:12px;color:var(--muted)}
.btag{display:inline-block;font-size:10.5px;font-weight:800;color:var(--accent);background:var(--soft);border-radius:20px;padding:2px 9px}
.blist{display:flex;flex-direction:column;gap:12px}
.brow{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 17px;display:block}.brow:hover{box-shadow:var(--shadow)}
.brow b{display:block;font-size:16px;margin:6px 0 4px}.bex{font-size:13px;color:var(--muted)}.bdate{font-size:11.5px;color:#93a2a2;display:block;margin-top:6px}
/* detail */
.back{color:var(--muted);font-size:13px;display:inline-block;margin-bottom:12px}
.d-hero{background:linear-gradient(135deg,#fff,#f0f8f7);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.d-title{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.d-title h1{font-size:28px;margin:0}.d-title .alt{color:var(--muted);font-size:15px}
.gradepill{margin-left:auto;font-weight:800;font-size:12.5px;border-radius:10px;padding:5px 11px}
.lead{font-size:15px;color:#33474d;margin:10px 0 0}.d-hero .meta{font-size:11.5px;color:var(--muted);margin-top:12px}
.badges{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 2px}
.wb{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;background:var(--warn-soft);color:var(--warn);border:1px solid var(--warn-line);border-radius:20px;padding:5px 11px;position:relative;cursor:help}
.wb .tip{position:absolute;left:0;top:calc(100% + 8px);width:min(260px,72vw);background:#2a1a10;color:#fff;font-weight:500;font-size:11.5px;padding:9px 11px;border-radius:10px;opacity:0;visibility:hidden;transition:.18s;z-index:20}.wb:hover .tip{opacity:1;visibility:visible}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
section.d{margin-top:26px}.d-h{display:flex;align-items:baseline;gap:9px;margin:0 0 12px}.d-h .no{width:26px;height:26px;border-radius:8px;background:var(--soft);color:var(--accent);font-weight:900;font-size:13px;display:inline-flex;align-items:center;justify-content:center;flex:none}.d-h h2{font-size:18px;margin:0}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.fc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;font-size:13px}
.illo{background:linear-gradient(160deg,#f2faf9,#eef7ff);border:1px solid var(--line);border-radius:18px;padding:16px}
.ev2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.evb{border-radius:14px;padding:14px;font-size:13px;border:1px solid var(--line)}.evb.s{background:var(--s-soft);border-color:#bfe6cd}.evb.m{background:var(--m-soft);border-color:#ecdca0}.evb b{display:block;margin-bottom:5px}.evb.s b{color:var(--s)}.evb.m b{color:var(--m)}
.usebox,.mkt,.refs{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:13px}
.mkt{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mkt h4{margin:0 0 5px;font-size:14px}
.warnbox{background:var(--warn-soft);border:1px solid var(--warn-line);border-left:4px solid var(--warn);border-radius:12px;padding:13px 15px;font-size:13px;color:#79391a}
.refs a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:#2b6e66}.refs a:last-child{border-bottom:0}
.aff{background:#fdf9f0;border:1px dashed #d9c295;border-radius:14px;padding:13px 16px;font-size:12.5px;color:#6f5a2e}.aff .lbl{font-size:10.5px;font-weight:800;color:#a07d38}.affbtns{margin-top:8px}
/* prose */
.prose{font-size:14.5px;color:#2b3d43;line-height:1.75}.prose h1{font-size:24px}.prose h3{font-size:16px;margin:22px 0 6px}.prose p{margin:10px 0}.prose ul{padding-left:18px}.prose li{margin:5px 0}.prose .src{font-size:11.5px;color:#93a2a2;margin-top:16px}
.post .btag{margin-bottom:8px}.post h1{margin:6px 0}.page{max-width:760px}
.q-wrap{max-width:640px;margin:0 auto}.q-step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 3px 12px rgba(16,60,60,.04)}
.q-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.rc{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:#fbfdfd;margin-bottom:12px}
.rc .top{display:flex;align-items:center;gap:10px;margin-bottom:4px}.rc .rank{background:var(--accent);color:#fff;width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:11px 20px;border-radius:30px;font-size:13px;font-weight:700;opacity:0;transition:.3s;z-index:100}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.progress{height:6px;background:#eef2f2;border-radius:6px;margin-bottom:16px}.progress>div{height:6px;background:var(--accent);border-radius:6px}
@media(max-width:720px){.grid,.cards3,.ev2,.mkt,.bgrid{grid-template-columns:1fr}nav{display:none}}