:root{--bg:#f7f8fb;--bg-2:#eef1f8;--surface:#fff;--panel:#fff;--panel-2:#f3f5fa;--line:#e3e7f0;--line-strong:#d2d8e6;--text:#1a2233;--muted:#6b768c;--accent:#2f80ed;--accent-2:#0ea5a4;--gold:#b8860b;--good:#1f9d63;--bad:#d64545;--radius:18px;--shadow:0 10px 30px #141e3c14;--shadow-sm:0 2px 8px #141e3c0f;--t1:#e4572e;--t2:#e08a00;--t3:#2f9e63;--t4:#2f80ed;--t5:#7357d8;--t6:#d94f86;--t7:#0e9c98}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(900px 500px at 12% -10%, #2f80ed1a, transparent 60%), radial-gradient(800px 460px at 92% 0%, #0ea5a41a, transparent 55%), linear-gradient(180deg, #fff 0%, var(--bg) 45%, var(--bg-2) 100%);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;background-attachment:fixed;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;line-height:1.5}a{color:inherit;text-decoration:none}button{font:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.wrap{width:100%;max-width:960px;margin:0 auto;padding:0 18px}.topbar{z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#ffffffd1;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{letter-spacing:-.01em;align-items:center;gap:10px;font-weight:800;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border-radius:11px;place-items:center;width:34px;height:34px;font-size:.76rem;font-weight:900;display:grid}.brand-text{font-size:1.02rem}.nav{color:var(--muted);align-items:center;gap:16px;font-size:.9rem;display:flex}.nav a:hover{color:var(--text)}.lang select{color:var(--text);border:1px solid var(--line-strong);cursor:pointer;background:#fff;border-radius:10px;outline:none;padding:7px 10px;font-size:.85rem}main{padding-top:30px;padding-bottom:64px}.hero{border:1px solid var(--line);box-shadow:var(--shadow);background:radial-gradient(600px 300px at 100% 0,#0ea5a41a,#0000 60%),linear-gradient(160deg,#2f80ed1a,#ffffffe6 55%),#fff;border-radius:26px;margin-bottom:30px;padding:34px 28px;position:relative;overflow:hidden}.hero h1{letter-spacing:-.03em;margin:0 0 10px;font-size:clamp(1.9rem,5vw,2.8rem);line-height:1.08}.hero p{max-width:48ch;color:var(--muted);margin:0}.hero-tags{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.tag{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:6px 12px;font-size:.78rem}.levelbar{flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px;display:flex}.level-label{color:var(--muted);margin-right:2px;font-size:.82rem;font-weight:600}.chip{border:1px solid var(--line-strong);color:var(--muted);cursor:pointer;background:#fff;border-radius:999px;padding:7px 14px;font-size:.82rem;font-weight:600;transition:border-color .15s,background .15s,color .15s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.game-head{justify-content:space-between;align-items:center;gap:12px;margin:2px 0 6px;display:flex}.game-hint{color:var(--muted);margin:0 0 16px;font-size:.88rem}.section-head{justify-content:space-between;align-items:baseline;gap:12px;margin:34px 0 14px;display:flex}.section-head h2{letter-spacing:-.01em;align-items:center;gap:9px;margin:0;font-size:1.15rem;display:flex}.section-head span{color:var(--muted);font-size:.82rem}.dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;display:inline-block}.grid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;display:grid}.card{--theme:var(--accent);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);align-items:center;gap:14px;padding:16px;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex}.card:hover{border-color:var(--theme);transform:translateY(-2px);box-shadow:0 10px 24px #141e3c1a}.card-icon{background:var(--theme);color:#fff;border-radius:13px;flex-shrink:0;place-items:center;width:42px;height:42px;font-size:1.35rem;line-height:1;display:grid}.card-body{min-width:0}.card-title{white-space:nowrap;text-overflow:ellipsis;font-size:.98rem;font-weight:700;overflow:hidden}.card-sub{color:var(--muted);font-size:.8rem}.play-all{--theme:var(--gold);background:linear-gradient(120deg,#fffaf0,#fff);border-color:#f0dfae}.btn{border:1px solid var(--line-strong);color:var(--text);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-weight:600;transition:background .16s,border-color .16s,transform .16s;display:inline-flex}.btn:hover{background:var(--panel-2)}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg, var(--accent), #5f6ff0);color:#fff;border:none;box-shadow:0 10px 24px #2f80ed47}.btn-ghost{background:0 0}.btn-link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0;font-size:.85rem;font-weight:700}.btn-link:hover{text-decoration:underline}.game{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:24px;margin-top:22px;padding:22px}.game-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.progress{background:var(--panel-2);border-radius:999px;flex:1;height:8px;overflow:hidden}.progress>span{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%;transition:width .25s;display:block}.counter{color:var(--muted);white-space:nowrap;font-size:.78rem}.prompt{margin:6px 0 18px}.prompt-label{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;font-size:.8rem}.prompt-main{letter-spacing:-.02em;word-break:break-word;font-size:clamp(1.25rem,4.5vw,1.8rem);font-weight:800;line-height:1.25}.options{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;display:grid}.option{text-align:left;border:1px solid var(--line-strong);color:var(--text);cursor:pointer;background:#fff;border-radius:14px;padding:16px 14px;font-size:1.05rem;font-weight:700;transition:border-color .15s,background .15s,transform .12s;position:relative}.option:hover{border-color:var(--accent);background:#2f80ed0f}.option:active{transform:scale(.99)}.option.correct{border-color:var(--good);background:#1f9d631a}.option.wrong{border-color:var(--bad);background:#d6454514}.option:disabled{cursor:default}.feedback{border:1px solid var(--line);background:var(--panel-2);border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:16px;padding:14px 16px;font-size:.92rem;display:flex}.feedback.good{background:#1f9d6312;border-color:#1f9d6359}.feedback.bad{background:#d645450d;border-color:#d645454d}.wordbtn{color:var(--text);font:inherit;cursor:pointer;border:none;border-bottom:2px dotted var(--gold);background:0 0;padding:0 1px;display:inline}.wordbtn:hover{color:var(--gold)}.letters{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.letter{border:1px solid var(--line-strong);min-width:42px;height:48px;color:var(--text);cursor:pointer;text-transform:lowercase;box-shadow:var(--shadow-sm);background:#fff;border-radius:12px;place-items:center;padding:0 10px;font-size:1.1rem;font-weight:800;display:grid}.letter:disabled{opacity:.3;cursor:default}.letter.blank{border-color:var(--gold);color:var(--gold)}.slots{letter-spacing:.06em;flex-wrap:wrap;gap:6px;margin-bottom:14px;font-size:1.6rem;font-weight:800;display:flex}.slot{text-align:center;border-bottom:3px solid var(--line-strong);text-transform:lowercase;min-width:30px}.slot.filled{border-bottom-color:var(--accent-2)}.slot.blank{border-bottom-color:var(--gold)}.match{grid-template-columns:1fr 1fr;gap:10px;display:grid}.match-col{flex-direction:column;gap:8px;display:flex}.match-item{border:1px solid var(--line-strong);color:var(--text);text-align:left;cursor:pointer;background:#fff;border-radius:12px;padding:12px;font-weight:600;transition:border-color .15s,background .15s}.match-item.selected{border-color:var(--accent);background:#2f80ed14}.match-item.matched{border-color:var(--good);opacity:.75;cursor:default;background:#1f9d6314}.match-item.shake{animation:.3s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.result{text-align:center;padding:10px 0 4px}.result-score{letter-spacing:-.04em;background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:900}.review{gap:8px;margin:16px 0;display:grid}.review-item{border:1px solid var(--line);background:var(--panel-2);border-radius:13px;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.review-word{font-weight:700}.review-meaning{color:var(--muted);font-size:.85rem}.actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.modal-backdrop{z-index:80;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#141c2d73;place-items:center;padding:16px;display:grid;position:fixed;inset:0;overflow-y:auto}.modal{border:1px solid var(--line);background:#fff;border-radius:20px;width:min(680px,100%);max-height:calc(100dvh - 32px);overflow-y:auto;box-shadow:0 30px 80px #141e3c3d}.modal-wide{width:min(840px,100%)}.media-layout{grid-template-columns:minmax(0,320px) 1fr;align-items:start;gap:18px;display:grid}.media-info{flex-direction:column;gap:14px;min-width:0;display:flex}.modal-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.modal-title{font-size:1.05rem;font-weight:800}.modal-body{padding:16px}.video{aspect-ratio:9/16;background:#000;border-radius:14px;width:100%;position:relative;overflow:hidden}.video-vertical{aspect-ratio:9/16}.video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.footer{border-top:1px solid var(--line);color:var(--muted);background:#fff9;padding:18px 0 26px;font-size:.82rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.footer a{color:var(--gold);font-weight:600}.mode-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;display:grid}.mode-card{--theme:var(--accent);text-align:left;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);background:#fff;padding:16px;transition:transform .16s,border-color .16s,box-shadow .16s}.mode-card:hover{border-color:var(--theme);transform:translateY(-2px);box-shadow:0 10px 24px #141e3c1a}.mode-icon{background:var(--theme);border-radius:12px;place-items:center;width:40px;height:40px;font-size:1.2rem;display:inline-grid}.mode-name{margin:10px 0 2px;font-weight:800}.mode-desc{color:var(--muted);font-size:.82rem}.crumbs{color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;font-size:.82rem;display:flex}.crumbs a:hover{color:var(--text)}.word-layout{grid-template-columns:minmax(0,1fr) minmax(0,320px);align-items:start;gap:28px;display:grid}.word-video{position:sticky;top:84px}.word-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:8px;display:flex}.word-hero h1{letter-spacing:-.03em;margin:0;font-size:clamp(2rem,7vw,3.2rem)}.translations{gap:8px;margin:18px 0;display:grid}.translation{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;border-radius:13px;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.translation-lang{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.82rem}.prose{color:var(--muted);max-width:64ch}.prose p{margin:0 0 12px}.prose strong{color:var(--text)}.article-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;display:grid}.article-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;transition:transform .16s,box-shadow .16s;display:flex;overflow:hidden}.article-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px #141e3c1a}.article-thumb{aspect-ratio:3/4;object-fit:cover;background:var(--panel-2);width:100%;display:block}.article-thumb-fallback{color:#fff;place-items:center;font-size:2rem;display:grid}.article-card-body{flex-direction:column;gap:6px;padding:14px 16px 18px;display:flex}.article-card-title{font-size:1.02rem;font-weight:800;line-height:1.3}.article-card-excerpt{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.85rem;line-height:1.45;display:-webkit-box;overflow:hidden}.article-wrap{max-width:760px;margin:0 auto}.article-wrap h1{letter-spacing:-.03em;margin:0 0 12px;font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.12}.article-cover{aspect-ratio:3/4;object-fit:cover;border:1px solid var(--line);width:100%;max-width:420px;box-shadow:var(--shadow);border-radius:20px;margin:0 auto 24px;display:block}.article-meta{flex-wrap:wrap;gap:8px;margin-bottom:22px;display:flex}.article-body{color:#26304a;font-size:1.04rem;line-height:1.75}.article-body h2{letter-spacing:-.01em;color:var(--text);margin:30px 0 10px;font-size:1.3rem}.article-body h3{color:var(--text);margin:24px 0 8px;font-size:1.1rem}.article-body p{margin:0 0 16px}.article-body ul,.article-body ol{margin:0 0 16px;padding-left:22px}.article-body li{margin-bottom:6px}.article-body blockquote{border-left:4px solid var(--accent);background:var(--panel-2);color:var(--muted);border-radius:8px;margin:0 0 18px;padding:12px 16px}.article-body strong{color:var(--text)}.article-body a{color:var(--accent);text-decoration:underline}.article-body img{border-radius:16px;max-width:100%;margin:20px auto;display:block}.article-body code{background:var(--panel-2);border-radius:6px;padding:2px 6px;font-size:.9em}@media (max-width:760px){.word-layout,.media-layout{grid-template-columns:1fr}.word-video{width:100%;max-width:360px;margin:0 auto;position:static}.modal-wide{width:min(520px,100%)}}@media (max-width:560px){.nav a{display:none}.game{padding:16px}.match{gap:6px}.match-item{padding:10px 9px;font-size:.88rem}.prompt-main{font-size:1.25rem}}