:root{--c-primary: #28b86f;--c-primary-deep: #1f9f5f;--c-primary-soft: #e3f4ec;--c-accent: #b043c7;--c-accent-deep: #933ba7;--c-accent-soft: #f5e8f7;--c-highlight: #21dedd;--c-highlight-deep: #14b9b8;--c-highlight-soft: #e2fbf9;--c-bg: #f8fbfa;--c-card: #ffffff;--c-text: #1b2c24;--c-text-2: #5c7a6b;--c-line: #dbe6e0;--c-cream: #fbf1e2;--c-cream-deep: #f4e3c8;--c-terra: #c86a3d;--c-terra-deep: #a8532c;--c-terra-soft: #f9e9dd;--radius: 16px;--radius-lg: 24px;--shadow-soft: 0 2px 6px rgba(27, 44, 36, .05), 0 10px 28px rgba(27, 44, 36, .07);--shadow-lift: 0 6px 16px rgba(27, 44, 36, .09), 0 20px 46px rgba(27, 44, 36, .13);--font-head: "Quicksand", "PingFang SC", system-ui, -apple-system, "Microsoft YaHei", sans-serif;--font-body: "Noto Serif SC", "Songti SC", Georgia, "Times New Roman", "SimSun", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);color:var(--c-text);background:var(--c-bg);line-height:1.75;-webkit-font-smoothing:antialiased}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}#root,.app{position:relative;z-index:2}h1,h2,h3,h4,h5{font-family:var(--font-head);line-height:1.35;margin:0 0 .4em;color:var(--c-text)}p{margin:0 0 .8em}a{color:var(--c-primary);text-decoration:none}button{font-family:var(--font-head);cursor:pointer}.container{max-width:1180px;margin:0 auto;padding:0 24px}.container.narrow{max-width:880px}.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:var(--radius);padding:12px 22px;font-family:var(--font-head);font-size:15px;font-weight:600;letter-spacing:.02em;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;-webkit-user-select:none;user-select:none}.btn:active{transform:translateY(1px) scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px #28b86f47}.btn-primary:hover:not(:disabled){background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:0 12px 26px #28b86f57}.btn-ghost{background:var(--c-card);color:var(--c-text);border:1.5px solid var(--c-line);box-shadow:var(--shadow-soft)}.btn-ghost:hover:not(:disabled){border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}.btn-sm{padding:8px 14px;font-size:13.5px;border-radius:12px}.badge{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:3px 12px;font-family:var(--font-head);font-size:12.5px;font-weight:600;line-height:1.6}.badge-quotation{background:var(--c-accent-soft);color:var(--c-accent-deep)}.badge-example{background:var(--c-primary-soft);color:var(--c-primary-deep)}.badge-word{background:var(--c-highlight-soft);color:var(--c-highlight-deep)}.badge-sentence{background:var(--c-terra-soft);color:var(--c-terra-deep)}.badge-hot{background:var(--c-cream);color:var(--c-terra-deep)}.badge-api{background:var(--c-accent-soft);color:var(--c-accent-deep)}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--c-bg) 86%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1.5px solid var(--c-line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}.brand{display:inline-flex;align-items:center;gap:12px;background:none;border:none;padding:0;text-align:left}.brand-mark{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--c-terra),var(--c-terra-deep));box-shadow:0 6px 14px #c86a3d59;flex:none}.brand-text{display:flex;flex-direction:column;line-height:1.25}.brand-text strong{font-family:var(--font-head);font-size:18px;color:var(--c-text)}.brand-text em{font-style:normal;font-size:12px;color:var(--c-text-2);font-family:var(--font-body)}.main-nav{display:flex;gap:8px;flex-wrap:wrap}.nav-pill{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;border:1.5px solid transparent;background:transparent;color:var(--c-text-2);font-size:14.5px;font-weight:600;position:relative;transition:all .22s ease}.nav-pill:hover{color:var(--c-primary);background:var(--c-primary-soft)}.nav-pill.is-active{color:#fff;background:var(--c-primary);box-shadow:0 8px 18px #28b86f4d}.nav-count{min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--c-terra);color:#fff;font-size:11px;display:inline-grid;place-items:center}.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,var(--c-cream) 0%,transparent 60%),radial-gradient(900px 420px at -10% 20%,var(--c-primary-soft) 0%,transparent 55%),var(--c-bg);padding:84px 0 70px}.hero-blob{position:absolute;border-radius:50%;pointer-events:none}.hero-blob-1{width:240px;height:240px;right:-60px;top:-70px;background:linear-gradient(145deg,var(--c-terra),var(--c-terra-deep));opacity:.12}.hero-blob-2{width:130px;height:130px;right:18%;bottom:-40px;background:var(--c-accent);opacity:.1}.hero-blob-3{width:90px;height:90px;left:6%;top:24%;background:var(--c-highlight);opacity:.14}.hero-inner{position:relative;max-width:720px}.hero-eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--c-terra-deep);font-family:var(--font-head);font-weight:600;font-size:13.5px;letter-spacing:.06em;background:var(--c-cream);border:1px solid var(--c-cream-deep);border-radius:999px;padding:6px 14px;margin-bottom:22px}.hero-title{font-size:clamp(34px,5.6vw,58px);font-weight:700;letter-spacing:.01em;margin-bottom:20px}.hl-primary{color:var(--c-primary);position:relative;white-space:nowrap}.hl-primary:after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:color-mix(in srgb,var(--c-highlight) 45%,transparent);z-index:-1;border-radius:6px}.hero-desc{font-size:17px;color:var(--c-text-2);max-width:560px;margin-bottom:30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:46px}.hero-stats{display:flex;gap:40px;flex-wrap:wrap}.stat{display:flex;flex-direction:column}.stat strong{font-family:var(--font-head);font-size:30px;font-weight:700;color:var(--c-terra-deep);line-height:1.1}.stat span{font-size:13px;color:var(--c-text-2)}.section-head{margin:56px 0 28px}.section-head.center{text-align:center;display:flex;flex-direction:column;align-items:center}.section-head h2{font-size:28px;font-weight:700;display:flex;align-items:center;gap:12px}.section-head.center h2{justify-content:center}.section-mark{width:14px;height:14px;border-radius:5px;background:var(--c-terra);display:inline-block;transform:rotate(12deg);box-shadow:4px 4px 0 0 var(--c-cream-deep)}.section-sub{color:var(--c-text-2);margin:6px 0 0 26px;font-size:15px}.section-head.center .section-sub{margin-left:0}.filter-row{display:flex;flex-direction:column;gap:14px;margin-bottom:18px}.theme-chips,.type-chips{display:flex;gap:10px;flex-wrap:wrap}.chip{border:1.5px solid var(--c-line);background:var(--c-card);color:var(--c-text-2);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;font-family:var(--font-head);display:inline-flex;align-items:center;gap:6px;transition:all .22s ease}.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 8px 18px #28b86f47}.chip-emoji{font-size:15px}.chip-type.is-active{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 8px 18px #b043c742}.search-box{display:flex;align-items:center;gap:10px;background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius);padding:12px 18px;margin:8px 0 14px;color:var(--c-text-2);box-shadow:var(--shadow-soft);transition:border-color .25s ease,box-shadow .25s ease}.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft)}.search-box input{flex:1;border:none;outline:none;background:none;font-family:var(--font-body);font-size:15.5px;color:var(--c-text)}.search-box input::placeholder{color:var(--c-text-2);opacity:.7}.search-clear{border:none;background:var(--c-cream);color:var(--c-terra-deep);width:26px;height:26px;border-radius:50%;font-size:13px}.result-count{color:var(--c-text-2);font-size:14px;margin:6px 0 18px}.result-count strong{color:var(--c-terra-deep);font-family:var(--font-head)}.material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}.material-card{background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);padding:20px 20px 16px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-soft);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;animation:riseIn .5s ease both;position:relative;overflow:hidden}.material-card:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:5px;border-radius:0 6px 6px 0;background:linear-gradient(180deg,var(--c-terra),var(--c-primary));opacity:.55}.material-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift);border-color:color-mix(in srgb,var(--c-primary) 40%,var(--c-line))}.card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-left:10px}.fav-btn{margin-left:auto;width:38px;height:38px;border-radius:50%;border:1.5px solid var(--c-line);background:var(--c-bg);color:var(--c-text-2);display:grid;place-items:center;transition:all .22s ease}.fav-btn:hover{color:var(--c-terra-deep);border-color:var(--c-terra);transform:scale(1.08)}.fav-btn.is-faved{color:var(--c-terra);border-color:var(--c-terra);background:var(--c-terra-soft);animation:pop .4s ease}.card-title{font-size:18px;font-weight:700;margin:2px 0 0 10px}.card-content{color:var(--c-text);font-size:15.5px;margin:0 0 4px 10px;flex:1}.card-foot{display:flex;flex-direction:column;gap:8px;padding-top:10px;border-top:1px dashed var(--c-line);margin-left:10px}.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.theme-tag{font-family:var(--font-head);font-size:12.5px;font-weight:600;color:var(--c-text-2);background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;padding:2px 10px}.source{font-size:12.5px;color:var(--c-text-2)}.card-tags{display:flex;gap:6px;flex-wrap:wrap}.mini-tag{font-size:11.5px;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:6px;padding:1px 8px}.card-source{font-size:13px;color:var(--c-text-2);margin-left:10px}.empty-state{text-align:center;padding:70px 20px;background:var(--c-card);border:1.5px dashed var(--c-line);border-radius:var(--radius-lg);color:var(--c-text-2)}.empty-state.big{padding:90px 20px}.empty-emoji{font-size:46px;display:block;margin-bottom:14px}.empty-state p{margin-bottom:18px}.gen-card{background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-soft);position:relative;overflow:hidden}.gen-card:after{content:"";position:absolute;right:-50px;top:-50px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,var(--c-terra-soft),transparent 70%);pointer-events:none}.field-label{display:block;font-family:var(--font-head);font-weight:700;font-size:14px;color:var(--c-text-2);margin-bottom:10px}.gen-input-row{display:flex;gap:12px;flex-wrap:wrap}.gen-input{flex:1;min-width:240px;border:1.5px solid var(--c-line);border-radius:var(--radius);padding:14px 18px;font-family:var(--font-body);font-size:17px;color:var(--c-text);background:var(--c-bg);outline:none;transition:border-color .25s ease,box-shadow .25s ease}.gen-input:focus{border-color:var(--c-accent);box-shadow:0 0 0 4px var(--c-accent-soft)}.gen-submit{min-width:132px;justify-content:center}.spinner{width:15px;height:15px;border-radius:50%;border:2.5px solid rgba(255,255,255,.45);border-top-color:#fff;display:inline-block;flex:none;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.suggestion-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0 6px}.suggestion-label{font-size:13px;color:var(--c-text-2);font-family:var(--font-head)}.suggestion-chip{border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-text-2);border-radius:999px;padding:4px 12px;font-size:13px;font-family:var(--font-body);transition:all .2s ease}.suggestion-chip:hover{background:var(--c-highlight-soft);border-color:var(--c-highlight-deep);color:var(--c-text)}.gen-options{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}.opt{display:flex;flex-direction:column;gap:6px;font-family:var(--font-head);font-size:13px;color:var(--c-text-2);font-weight:600}.opt select{border:1.5px solid var(--c-line);border-radius:12px;background:var(--c-bg);padding:10px 14px;font-family:var(--font-body);font-size:15px;color:var(--c-text);outline:none;min-width:170px}.opt select:focus{border-color:var(--c-accent)}.api-panel{margin-top:22px;border-top:1px dashed var(--c-line);padding-top:16px}.api-toggle{display:inline-flex;align-items:center;gap:8px;background:none;border:none;color:var(--c-text-2);font-size:13.5px;font-weight:600;padding:4px 0;transition:color .2s ease}.api-toggle:hover{color:var(--c-accent)}.api-arrow{width:20px;height:20px;border-radius:50%;background:var(--c-accent-soft);color:var(--c-accent-deep);display:grid;place-items:center;font-size:14px;line-height:1}.api-body{margin-top:12px;padding:18px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);animation:fadeIn .3s ease}.api-hint{font-size:13px;color:var(--c-text-2);margin-bottom:12px}.api-fields{display:grid;gap:12px}.api-fields label{display:flex;flex-direction:column;gap:5px;font-family:var(--font-head);font-size:12.5px;color:var(--c-text-2);font-weight:600}.api-fields input{border:1.5px solid var(--c-line);border-radius:10px;padding:9px 12px;font-size:14px;background:var(--c-card);color:var(--c-text);outline:none;font-family:var(--font-body)}.api-fields input:focus{border-color:var(--c-accent)}.api-actions{display:flex;gap:10px;margin-top:14px}.loading-box{text-align:center;padding:60px 20px;background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);margin-top:30px;box-shadow:var(--shadow-soft)}.loading-pen{width:74px;height:74px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;color:var(--c-terra-deep);background:var(--c-cream);animation:penSwing 1.4s ease-in-out infinite}.loading-box p{font-size:16px;color:var(--c-text);font-weight:600;font-family:var(--font-head)}.loading-dots{display:flex;gap:8px;justify-content:center;margin-top:10px}.loading-dots span{width:9px;height:9px;border-radius:50%;background:var(--c-primary);animation:dotBounce 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){background:var(--c-accent);animation-delay:.15s}.loading-dots span:nth-child(3){background:var(--c-terra);animation-delay:.3s}.result-wrap{margin-top:34px;display:flex;flex-direction:column;gap:16px;animation:fadeIn .5s ease}.result-banner{background:linear-gradient(135deg,var(--c-cream) 0%,var(--c-terra-soft) 100%);border:1.5px solid var(--c-cream-deep);border-radius:var(--radius-lg);padding:22px 26px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.result-banner h3{font-size:24px;margin:10px 0 4px}.result-theme-line{font-size:13.5px;color:var(--c-terra-deep);margin:0}.result-theme-line em{font-style:normal;opacity:.75}.result-actions{display:flex;gap:8px;flex-wrap:wrap}.res-block{display:flex;gap:18px;background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow-soft);transition:box-shadow .25s ease}.res-block:hover{box-shadow:var(--shadow-lift)}.res-num{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:15px;color:#fff}.res-num-0{background:var(--c-highlight);color:var(--c-text);font-size:20px}.res-num-1{background:var(--c-accent)}.res-num-2{background:var(--c-primary)}.res-num-3{background:var(--c-terra)}.res-num-4{background:var(--c-highlight-deep);color:var(--c-text)}.res-num-5{background:linear-gradient(145deg,var(--c-terra),var(--c-terra-deep))}.res-body{flex:1;min-width:0}.res-body h4{font-size:16px;font-weight:700;color:var(--c-text-2);margin-bottom:12px;letter-spacing:.04em}.title-suggestion{font-size:20px;font-weight:700;color:var(--c-text);margin:0;font-family:var(--font-head)}.quote-list{display:flex;flex-direction:column;gap:12px}.quote-item{margin:0;padding:12px 16px;border-left:4px solid var(--c-accent);background:var(--c-accent-soft);border-radius:0 12px 12px 0}.quote-item blockquote{margin:0;font-size:16.5px;color:var(--c-text);font-style:italic}.quote-item figcaption{margin-top:6px;font-size:13px;color:var(--c-accent-deep);text-align:right}.example-item{background:var(--c-primary-soft);border-radius:14px;padding:16px 18px}.example-title{display:block;font-size:16px;color:var(--c-primary-deep);margin-bottom:8px;font-family:var(--font-head)}.example-item p{margin:0 0 8px;font-size:15.5px}.example-source{font-style:normal;font-size:13px;color:var(--c-text-2)}.word-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.word-tag{background:var(--c-highlight-soft);color:var(--c-highlight-deep);border:1px solid color-mix(in srgb,var(--c-highlight) 40%,var(--c-line));border-radius:999px;padding:4px 13px;font-family:var(--font-head);font-size:14px;font-weight:600}.sentence-list{margin:0;padding-left:20px;color:var(--c-text);font-size:15.5px;display:flex;flex-direction:column;gap:6px}.para-sample{margin:0 0 10px;font-size:15.5px;color:var(--c-text)}.para-sample b{font-family:var(--font-head);color:var(--c-terra-deep);font-weight:600}.res-tip{background:linear-gradient(135deg,var(--c-cream),var(--c-card));border-color:var(--c-cream-deep)}.tip-ic{flex:none;width:46px;height:46px;border-radius:14px;background:var(--c-cream-deep);color:var(--c-terra-deep);display:grid;place-items:center}.result-foot-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;padding:8px 0 14px}.gen-tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-top:30px}.tip-card{background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);padding:24px 20px;text-align:center;box-shadow:var(--shadow-soft);transition:transform .25s ease}.tip-card:hover{transform:translateY(-4px)}.tip-card-ic{font-size:34px;display:block;margin-bottom:10px}.tip-card h4{font-size:16px;margin-bottom:6px}.tip-card p{font-size:13.5px;color:var(--c-text-2);margin:0}.fav-dash{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--c-card);border:1.5px solid var(--c-line);border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-soft)}.fav-stat{display:flex;align-items:center;gap:12px;padding-right:22px;border-right:1px dashed var(--c-line)}.fav-stat:last-of-type{border-right:none}.fav-stat-ic{width:46px;height:46px;border-radius:14px;background:var(--c-terra-soft);color:var(--c-terra-deep);display:grid;place-items:center}.fav-stat-ic.ic-2{background:var(--c-accent-soft);color:var(--c-accent-deep)}.fav-stat-ic.ic-3{background:var(--c-highlight-soft);color:var(--c-highlight-deep)}.fav-stat strong{font-family:var(--font-head);font-size:22px;line-height:1.1;display:block}.fav-stat span{font-size:12.5px;color:var(--c-text-2)}.fav-export{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.review-bar{display:flex;align-items:center;gap:14px;margin:20px 0 24px;flex-wrap:wrap}.review-hint{font-size:13px;color:var(--c-text-2);margin:0}.fav-group{margin-bottom:34px}.fav-group-title{display:flex;align-items:center;gap:12px;font-size:19px;margin-bottom:16px}.fav-group-title em{font-style:normal;font-size:13px;color:var(--c-text-2)}.fav-card .card-title{font-size:17px}.fav-result-badges{display:flex;align-items:center;gap:8px;padding-left:10px;flex-wrap:wrap}.fav-topic-line{color:var(--c-text-2);font-size:14px}.fav-preview{border-top:1px dashed var(--c-line);padding-top:10px;margin-left:10px;display:flex;flex-direction:column;gap:6px}.fav-quote{margin:0;font-size:14px;color:var(--c-text)}.fav-quote em{font-style:normal;font-size:12.5px;color:var(--c-text-2)}.fav-excerpt{margin:0;font-size:13.5px;color:var(--c-text-2)}.fav-more{margin:0;font-size:12.5px;color:var(--c-accent-deep);font-family:var(--font-head);font-weight:600}.fav-ops{display:flex;gap:8px;margin-left:10px;padding-top:10px;border-top:1px dashed var(--c-line);flex-wrap:wrap}.op-btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-text-2);border-radius:10px;padding:5px 10px;font-size:12.5px;font-weight:600;font-family:var(--font-head);transition:all .2s ease}.op-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}.op-btn.danger:hover{color:var(--c-terra-deep);border-color:var(--c-terra);background:var(--c-terra-soft)}.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.flip-card{perspective:1200px;animation:riseIn .5s ease both}.flip-inner{position:relative;width:100%;height:260px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.34,1.4,.64,1);cursor:pointer}.flip-card.flipped .flip-inner,.flip-inner.flipped{transform:rotateY(180deg)}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-lg);padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1.5px solid var(--c-line);box-shadow:var(--shadow-soft)}.flip-front{background:linear-gradient(160deg,var(--c-cream),var(--c-card));border-color:var(--c-cream-deep)}.flip-emoji{font-size:36px;margin-bottom:12px}.flip-front h4{font-size:20px;margin-bottom:6px}.flip-front p{font-size:14px;color:var(--c-text-2);margin:0}.flip-hint{margin-top:18px;font-size:12px;color:var(--c-terra-deep);font-family:var(--font-head);letter-spacing:.06em}.flip-back{transform:rotateY(180deg);background:var(--c-card);overflow:auto;align-items:stretch;justify-content:flex-start;text-align:left;padding:16px}.flip-content{display:flex;flex-direction:column;gap:8px;min-height:100%}.flip-content .card-title{margin-left:0;font-size:16px}.flip-content .card-content{margin-left:0;font-size:14px;max-height:150px;overflow:auto}.flip-content .fav-result-badges{padding-left:0}.flip-content .card-source{margin-left:0}.toast-wrap{position:fixed;bottom:28px;left:50%;transform:translate(-50%);z-index:100;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}.toast{display:inline-flex;align-items:center;gap:10px;background:var(--c-text);color:#fff;border-radius:999px;padding:11px 22px;font-size:14.5px;font-family:var(--font-head);font-weight:600;box-shadow:0 14px 34px #1b2c2447;animation:toastIn .35s cubic-bezier(.34,1.56,.64,1)}.toast-ok{background:var(--c-primary)}.toast-ic{display:grid;place-items:center}.site-footer{margin-top:70px;border-top:1.5px solid var(--c-line);background:var(--c-cream)}.footer-inner{padding:30px 24px;text-align:center}.footer-inner p{margin:0 0 4px;font-size:15px}.footer-sub{font-size:12.5px!important;color:var(--c-text-2)}@keyframes riseIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.35)}to{transform:scale(1)}}@keyframes penSwing{0%,to{transform:rotate(-8deg) translateY(0)}50%{transform:rotate(8deg) translateY(-8px)}}@keyframes dotBounce{0%,60%,to{transform:translateY(0);opacity:.6}30%{transform:translateY(-10px);opacity:1}}@keyframes toastIn{0%{opacity:0;transform:translateY(16px) scale(.92)}to{opacity:1;transform:translateY(0) scale(1)}}@media print{.site-header,.site-footer,.fav-export,.review-bar,.fav-ops,.toast-wrap,.hero,.btn{display:none!important}body{background:#fff}.flip-inner{transform:none!important;height:auto!important}.flip-face{position:static;backface-visibility:visible;-webkit-backface-visibility:visible;border:none;box-shadow:none;padding:10px;transform:none!important;align-items:flex-start;text-align:left}.flip-front{display:none}.material-card{break-inside:avoid;box-shadow:none}}@media (max-width: 900px){.header-inner{justify-content:center;text-align:center}.hero{padding:60px 0 56px}.hero-stats{gap:26px}.fav-dash{justify-content:center}.fav-export{margin-left:0;width:100%;justify-content:center}.fav-stat{border-right:none;padding-right:0}.result-banner{flex-direction:column}.result-actions{width:100%}}@media (max-width: 640px){.container{padding:0 16px}.header-inner{gap:10px;min-height:auto}.nav-pill{padding:8px 12px;font-size:13.5px}.brand-text em{display:none}.hero-title{font-size:32px}.hero-desc{font-size:15px}.gen-card{padding:20px 16px}.gen-input-row{flex-direction:column}.gen-submit{width:100%}.material-grid{grid-template-columns:1fr}.section-head h2{font-size:24px}.res-block{flex-direction:column;gap:12px}.res-num{width:40px;height:40px}.fav-stat strong{font-size:19px}}