.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:900;box-shadow:var(--shadow);transition:var(--theme-transition)}#site-header{position:sticky;top:0;z-index:900;height:60px;background:var(--card);contain:layout size}#site-footer{min-height:300px;background:var(--secondary)}#popularGrid{min-height:220px;align-content:start;display:grid}#toolsGrid{min-height:400px;align-content:start;display:grid}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 16px;max-width:1200px;margin:0 auto}.theme-toggle{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--subtext);font-size:1.2rem;background:transparent;transition:all var(--transition);margin-left:8px}.theme-toggle:hover{background:rgba(37,99,235,.1);color:var(--primary)}.header-actions{display:flex;align-items:center;gap:8px}.logo{display:flex;align-items:center;gap:4px;font-family:var(--system-fonts);font-weight:800;font-size:1.25rem;color:var(--text);text-decoration:none;flex-shrink:0}.logo-svg{margin-right:2px}.logo .logo-tie{color:var(--accent)}.nav-links{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.nav-links::-webkit-scrollbar{display:none}.nav-links a{color:var(--subtext);font-size:.82rem;font-weight:500;padding:6px 10px;border-radius:var(--radius-sm);transition:all var(--transition);white-space:nowrap}.nav-links a:hover,.nav-links a.active{color:var(--primary);background:rgba(37,99,235,.08)}.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;font-size:1.4rem;color:var(--text);background:var(--bg);border-radius:10px;transition:all var(--transition)}.menu-toggle:hover{background:var(--border)}.drawer-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(15,23,42,.6);z-index:1000;opacity:0;visibility:hidden;transition:all .3s ease}.drawer-backdrop.active{opacity:1;visibility:visible}.drawer{position:fixed;top:0;right:calc(var(--drawer-w)*-1);width:var(--drawer-w);height:100%;background:var(--card);z-index:1001;box-shadow:-10px 0 30px rgba(0,0,0,.1);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.drawer.active{transform:translateX(calc(var(--drawer-w)*-1))}.drawer-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.drawer-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;border-radius:8px;background:var(--bg);color:var(--subtext)}.drawer-body{flex:1;overflow-y:auto;padding:20px}.drawer-nav{display:flex;flex-direction:column;gap:6px}.drawer-nav a{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:8px;color:var(--text);font-weight:600;font-size:.82rem;transition:all var(--transition)}.drawer-nav a .d-icon{font-size:1.1rem;width:22px;text-align:center}.drawer-nav a:hover,.drawer-nav a.active{background:rgba(37,99,235,.06);color:var(--primary)}.drawer-label{font-size:.65rem;font-weight:700;color:var(--subtext);text-transform:uppercase;letter-spacing:.05em;margin:15px 0 6px 12px;opacity:.8}.drawer-nav+.drawer-label{margin-top:20px}.drawer-footer{padding:20px;border-top:1px solid var(--border);background:var(--bg)}.drawer-tagline{font-size:.75rem;color:var(--subtext);line-height:1.5}@media(max-width:767px){.nav-links{display:none}.menu-toggle{display:flex}}.hero{background:linear-gradient(135deg,var(--secondary) 0%,#1a4fa0 50%,#1e3a5f 100%);padding:48px 16px 60px;text-align:center;position:relative;z-index:10}.hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}.hero-shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}.hero-shape{position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.12)}.hero-shape-circle-1{width:600px;height:600px;top:-200px;right:-150px;background:radial-gradient(circle at 40% 40%,rgba(249,115,22,.55) 0%,rgba(249,115,22,.15) 40%,transparent 65%);opacity:.7}.hero-shape-diamond{width:350px;height:350px;bottom:-100px;left:-80px;border-radius:35px;transform:rotate(45deg);background:linear-gradient(135deg,rgba(255,255,255,.3) 0%,rgba(255,255,255,.08) 40%,transparent 70%);opacity:.6}.hero-shape-circle-2{width:220px;height:220px;top:20%;left:5%;background:radial-gradient(circle at 50% 50%,rgba(96,165,250,.6) 0%,rgba(96,165,250,.15) 40%,transparent 65%);opacity:.55}.hero-shape-pill{width:90px;height:240px;top:12%;left:28%;border-radius:100px;background:linear-gradient(180deg,rgba(249,115,22,.4) 0%,rgba(249,115,22,.1) 50%,transparent 80%);opacity:.45}.hero-shape-dot{width:90px;height:90px;bottom:25%;right:15%;background:radial-gradient(circle,rgba(255,255,255,.5) 0%,rgba(255,255,255,.1) 50%,transparent 70%);opacity:.5}.hero-content{position:relative;z-index:1;max-width:680px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.95);font-size:.77rem;font-weight:600;padding:5px 14px;border-radius:100px;margin-bottom:18px;max-width:100%;line-height:1.4}.hero h1{font-weight:800;color:#fff;font-size:clamp(1.7rem,6vw,3rem);line-height:1.15;margin-bottom:12px}.hero h1 em{font-style:normal;color:var(--accent)}.hero-content>p{color:rgba(255,255,255,.95);font-size:clamp(.95rem,2.5vw,1.1rem);margin-bottom:26px;max-width:520px;margin-left:auto;margin-right:auto}.search-wrap{position:relative;max-width:520px;margin:0 auto 26px}.search-bar{width:100%;padding:15px 65px 15px 25px;border-radius:14px;border:1px solid var(--border);font-size:1rem;background:var(--card);color:var(--text);box-shadow:var(--shadow-md);line-height:normal}.search-bar::placeholder{color:var(--subtext)}.search-bar:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.1),var(--shadow-md)}.search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:var(--accent);color:#fff;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;border:none;cursor:pointer;transition:background var(--transition);z-index:2}.search-btn:hover{background:var(--accent-dark)}.search-results{position:absolute;top:0;left:0;width:100%;background:var(--card);border-radius:12px;box-shadow:var(--shadow-lg);z-index:1000;max-height:400px;overflow-y:auto;display:none;border:1px solid var(--border);text-align:left}.search-results.active{display:block}.search-item{display:flex;align-items:center;padding:12px 18px;gap:12px;color:var(--text);text-decoration:none;transition:background var(--transition);border-bottom:1px solid var(--border)}.search-item:last-child{border-bottom:none}.search-item:hover{background:#f1f5f9}.search-item .item-icon{font-size:1.25rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:8px}.search-item .item-name{font-weight:500;font-size:.95rem}.search-item mark{background:#fef08a;color:#854d0e;padding:0 2px;border-radius:2px;font-weight:600}.no-search-results{padding:20px;text-align:center;color:var(--subtext);font-size:.9rem}.hero-stats{display:flex;justify-content:center;gap:15px 30px;flex-wrap:wrap;margin-top:32px}.hero-stat{display:flex;flex-direction:column;align-items:center}.hero-stat strong{display:block;font-family:var(--system-fonts);font-size:1.5rem;font-weight:800;color:#fff;line-height:1.2}.hero-stat span{font-size:.78rem;color:rgba(255,255,255,.7);font-weight:500;letter-spacing:.02em}.trust-bar{background:var(--card);border-bottom:1px solid var(--border);padding:9px 16px}.trust-bar-inner{display:flex;align-items:center;justify-content:center;gap:5px 10px;flex-wrap:wrap;max-width:1200px;margin:0 auto}.trust-badge{display:inline-flex;align-items:center;gap:4px;font-size:.74rem;font-weight:600;color:var(--subtext);white-space:nowrap}.trust-badge .t-icon{font-size:.85rem}.trust-sep{color:var(--border);font-size:.9rem}.section-header{margin-bottom:14px}.section-title{font-family:var(--system-fonts);font-size:clamp(1.15rem,3vw,1.55rem);font-weight:800;color:var(--text);margin-bottom:2px}.section-sub{font-size:.83rem;color:var(--subtext)}.cat-tabs-wrap{overflow-x:auto;padding:2px 0 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-bottom:4px}.cat-tabs-wrap::-webkit-scrollbar{display:none}.cat-tabs{display:flex;gap:7px;width:max-content}.cat-tab{display:inline-flex;align-items:center;gap:5px;padding:7px 15px;border-radius:8px;font-size:.80rem;font-weight:600;white-space:nowrap;cursor:pointer;transition:all var(--transition);background:var(--card);color:var(--subtext);border:1.5px solid var(--border)}.cat-tab:hover{border-color:var(--primary);color:var(--primary)}.cat-tab.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px rgba(37,99,235,.2)}.tools-section{padding:24px 0 30px}.category-section{margin-bottom:60px}.category-title{font-size:1.5rem;font-weight:800;color:var(--text);display:flex;align-items:center;gap:15px;margin-bottom:25px}.category-title::before{content:'';display:block;width:6px;height:32px;background:var(--primary);border-radius:10px}.category-header{margin-bottom:0;padding:0}.category-desc{display:none}.tool-card:hover{border-color:var(--primary);box-shadow:0 10px 25px rgba(37,99,235,.12);transform:translateY(-8px)}.tool-card:hover .tool-icon{transform:scale(1.15) rotate(5deg);background:var(--primary);color:#fff}.tools-layout{display:block}.tools-grid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr);align-content:start;min-height:auto}@media(min-width:500px){.tools-grid{grid-template-columns:repeat(3,1fr);gap:11px}}@media(min-width:768px){.tools-grid{grid-template-columns:repeat(4,1fr);gap:13px}}@media(min-width:900px){.tools-grid{grid-template-columns:repeat(4,1fr);gap:14px}}@media(min-width:1024px){.tools-grid{grid-template-columns:repeat(4,1fr);gap:15px}}.tool-card{background:var(--card);border-radius:var(--radius);border:1.5px solid var(--border);padding:16px 14px;display:flex;flex-direction:column;align-items:flex-start;gap:10px;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);text-decoration:none;position:relative;overflow:hidden;opacity:0;animation:fadeUp .3s ease forwards}.tool-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg);transform:translateY(-5px)}.tool-card.disabled{cursor:default;opacity:.6;filter:grayscale(.5);pointer-events:none}.tool-card.disabled:hover{transform:none;box-shadow:none;border-color:var(--border)}.tool-icon{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;margin-bottom:2px;transition:transform .25s ease}.tool-card:hover .tool-icon{transform:scale(1.1) rotate(3deg)}.icon-pdf{background:rgba(239,68,68,.10);color:#ef4444}.icon-image{background:rgba(16,185,129,.10);color:#10b981}.icon-text{background:rgba(37,99,235,.10);color:#2563eb}.icon-math{background:rgba(249,115,22,.10);color:#f97316}.icon-dev{background:rgba(139,92,246,.10);color:#8b5cf6}.icon-writing{background:rgba(236,72,153,.10);color:#ec4899}.icon-seo{background:rgba(20,184,166,.10);color:#14b8a6}.tool-name{font-family:var(--system-fonts);font-size:.92rem;font-weight:700;color:var(--text);line-height:1.25;transition:color var(--transition)}.tool-card:hover .tool-name{color:var(--primary)}.tool-desc{font-size:.72rem;color:var(--subtext);line-height:1.4}.card-badges{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto;padding-top:8px}.badge{font-size:.65rem;font-weight:700;padding:3px 7px;border-radius:6px;text-transform:uppercase;letter-spacing:.03em;display:inline-flex;align-items:center;gap:3px}.badge-free{background:rgba(16,185,129,.08);color:#059669;border:1px solid rgba(16,185,129,.15)}.badge-popular{background:rgba(249,115,22,.08);color:#ea580c;border:1px solid rgba(249,115,22,.15)}.badge-fast{background:rgba(37,99,235,.08);color:#2563eb;border:1px solid rgba(37,99,235,.15)}.badge-new{background:rgba(139,92,246,.08);color:#7c3aed;border:1px solid rgba(139,92,246,.15)}.badge-soon{background:var(--bg);color:var(--subtext);border:1px solid var(--border)}.card-go{margin-top:10px;font-size:.75rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:4px;opacity:.6;transition:all var(--transition)}.go-arrow{transition:transform var(--transition)}.tool-card:hover .card-go{opacity:1;color:var(--primary-dark)}.tool-card:hover .go-arrow{transform:translateX(3px)}.hiw-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:32px}@media(min-width:768px){.hiw-grid{grid-template-columns:repeat(3,1fr)}}.hiw-item{text-align:center;position:relative}.hiw-number{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 16px;box-shadow:0 4px 12px rgba(37,99,235,.3)}.hiw-item h4{margin-bottom:8px;font-size:1rem}.hiw-item p{font-size:.88rem}@media(min-width:768px){.hiw-item:not(:last-child)::after{content:'\2192';position:absolute;top:20px;right:-12px;font-size:1.5rem;color:var(--border)}}.no-results{grid-column:1/-1;text-align:center;padding:40px 16px}.no-results .no-icon{font-size:2.4rem;margin-bottom:11px}.no-results p{color:var(--subtext);font-size:.92rem}.site-footer{background:var(--secondary);margin-top:auto}.footer-main{padding:44px 16px 28px;max-width:1200px;margin:0 auto}.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}.footer-brand .logo{color:#fff;margin-bottom:10px}.footer-brand p{color:rgba(255,255,255,.55);font-size:.85rem;max-width:270px;line-height:1.6}.footer-col h4{color:#fff;font-size:.80rem;font-weight:700;margin-bottom:12px;font-family:var(--system-fonts);text-transform:uppercase;letter-spacing:.06em}.footer-col ul{display:flex;flex-direction:column;gap:7px}.footer-col ul li a{color:rgba(255,255,255,.72);font-size:.85rem;transition:color var(--transition)}.footer-col ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:15px 16px;max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:9px;align-items:center;text-align:center}.footer-bottom p{color:rgba(255,255,255,.5);font-size:.77rem}.footer-links{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.footer-links a{color:rgba(255,255,255,.65);font-size:.77rem;transition:color var(--transition)}.footer-links a:hover{color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;font-family:var(--system-fonts);transition:all var(--transition);cursor:pointer;text-decoration:none;white-space:nowrap;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 14px rgba(37,99,235,.3);color:#fff}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#047857;transform:translateY(-1px);box-shadow:0 4px 14px rgba(5,150,105,.3);color:#fff}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-lg{padding:13px 28px;font-size:.96rem;border-radius:var(--radius)}.btn-sm{padding:6px 13px;font-size:.78rem}.btn-full{width:100%}.tool-page-hero{background:linear-gradient(135deg,var(--secondary),var(--primary));padding:32px 16px 38px;text-align:center}.tool-page-hero h1{color:#fff;margin-bottom:7px}.tool-page-hero p{color:rgba(255,255,255,.9);max-width:600px;margin:0 auto;font-size:1.05rem}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:14px;padding:10px 0;flex-wrap:wrap;justify-content:center}.breadcrumb a{color:#a0b4cc;text-decoration:none;transition:color .2s ease}.breadcrumb a:hover{color:#fff;text-decoration:underline}.breadcrumb-sep{color:#6b7f96;font-size:13px;user-select:none}.breadcrumb-current{color:#fff;font-weight:500}.tool-container{background:var(--card);border-radius:var(--radius-lg);border:1.5px solid var(--border);overflow:hidden;box-shadow:var(--shadow-md);margin-bottom:22px;min-height:320px}.tool-head{padding:15px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg);height:54px}.tool-head .t-icon{font-size:1.25rem;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.tool-head h2{font-size:.98rem;margin:0}.tool-body{padding:20px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(37,99,235,.03)}.upload-icon{font-size:2.5rem;margin-bottom:10px;display:block}.upload-zone p{font-size:.875rem;color:var(--subtext)}.upload-zone strong{color:var(--primary)}.form-group{margin-bottom:15px}.form-label{display:block;font-size:.83rem;font-weight:600;color:var(--text);margin-bottom:5px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.88rem;color:var(--text);background:var(--card);transition:border-color var(--transition);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary)}.form-textarea{resize:vertical;min-height:120px;line-height:1.6}.tool-status-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:30px 20px;text-align:center;max-width:480px;margin:0 auto;animation:fadeUp .3s ease-out}.file-info-v2{display:flex;align-items:center;gap:15px;background:var(--card);padding:15px;border-radius:var(--radius-sm);border:1px solid var(--border);text-align:left;margin-bottom:25px}.file-icon-v2{font-size:2rem;width:50px;height:50px;background:var(--bg);display:flex;align-items:center;justify-content:center;border-radius:10px}.file-meta-v2{flex:1;min-width:0}.file-name-v2{font-weight:700;color:var(--text);font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.file-size-v2{font-size:.8rem;color:var(--subtext)}.action-stack{display:flex;flex-direction:column;gap:10px}.success-badge-v2{width:60px;height:60px;background:var(--success);color:#fff;font-size:2rem;display:flex;align-items:center;justify-content:center;border-radius:50%;margin:0 auto 15px;box-shadow:0 4px 12px rgba(16,185,129,.2)}.file-preview{background:var(--bg);padding:20px;border-radius:var(--radius);border:1.5px solid var(--border);display:flex;flex-direction:column;gap:15px;align-items:center}.preview-info{display:flex;flex-direction:column;align-items:center;gap:5px}#fileName{font-weight:700;color:var(--text)}#fileSize{font-size:.85rem;color:var(--subtext)}.success-msg{color:var(--success);font-weight:700;margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:8px}.success-msg::before{content:'\2705'}.file-preview-card{background:var(--bg);padding:30px;border-radius:var(--radius);border:1.5px solid var(--border);max-width:400px;margin:0 auto}.notice-bar{margin-top:25px;padding:15px;background:var(--notice-bg);border:1.5px solid var(--notice-border);border-radius:var(--radius-sm);border-left:4px solid var(--error);font-size:.85rem;color:var(--notice-text);line-height:1.6}.tool-tabs{display:flex;gap:5px;background:var(--bg);padding:5px;border-radius:var(--radius);margin-bottom:20px;border:1.5px solid var(--border)}.t-tab{flex:1;padding:10px;text-align:center;font-size:.88rem;font-weight:600;color:var(--subtext);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px}.t-tab:hover{color:var(--text);background:rgba(37,99,235,.05)}.t-tab.active{background:var(--card);color:var(--primary);box-shadow:var(--shadow)}.conversion-diagram{display:flex;align-items:center;justify-content:center;gap:20px;margin:40px 0;padding:30px;background:var(--bg);border-radius:var(--radius);border:1.5px solid var(--border);flex-wrap:wrap}.diag-step{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;z-index:1}.diag-icon{width:60px;height:60px;background:var(--card);border:2px solid var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;box-shadow:var(--shadow)}.diag-label{font-size:.85rem;font-weight:700;color:var(--text)}.diag-arrow{font-size:1.5rem;color:var(--primary);opacity:.5}@media(max-width:600px){.diag-arrow{transform:rotate(90deg)}.conversion-diagram{flex-direction:column}}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:.875rem;display:flex;align-items:flex-start;gap:8px;margin-bottom:12px}.alert-info{background:var(--alert-info-bg);border:1px solid var(--alert-info-border);color:var(--alert-info-text)}.alert-success{background:var(--alert-success-bg);border:1px solid var(--alert-success-border);color:var(--alert-success-text)}.alert-error{background:var(--alert-error-bg);border:1px solid var(--alert-error-border);color:var(--alert-error-text)}.info-page{max-width:780px;margin:0 auto;padding:44px 16px 60px}.info-page h2{margin:28px 0 10px}.info-page p{margin-bottom:12px;font-size:.94rem}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}@media(min-width:768px){.features-grid{grid-template-columns:repeat(4,1fr);gap:16px}}.feature-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:22px 20px;transition:all var(--transition)}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary)}.feature-card .f-icon{font-size:2rem;margin-bottom:12px;background:var(--bg);width:54px;height:54px;display:flex;align-items:center;justify-content:center;border-radius:12px;transition:transform var(--transition)}.feature-card:hover .f-icon{transform:scale(1.1)}.feature-card h4{margin-bottom:8px;font-size:1rem;color:var(--text)}.feature-card p{font-size:.85rem;line-height:1.6}.about-hero{background:linear-gradient(135deg,var(--secondary) 0%,#1a4fa0 100%);padding:52px 1.5rem 80px;text-align:center;color:#fff;min-height:300px}.about-hero h1{font-family:var(--system-fonts);font-size:clamp(2rem,6vw,3rem);font-weight:800;margin-bottom:12px;color:#fff}.about-hero p{color:rgba(255,255,255,.9);max-width:600px;margin:0 auto;font-size:1.1rem}.about-body{max-width:800px;margin:0 auto;padding:80px 1.5rem 60px}.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:30px}.mission-card{background:var(--card);padding:25px;border-radius:var(--radius);border:1.5px solid var(--border);transition:all var(--transition)}.mission-card:hover{border-color:var(--primary);transform:translateY(-5px);box-shadow:var(--shadow-md)}.mission-card .m-icon{font-size:2rem;margin-bottom:15px}.cat-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.cat-list-item{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:var(--bg);border-radius:8px;border:1.5px solid var(--border);color:var(--text);font-weight:600;transition:all .2s}.cat-list-item:hover{border-color:var(--primary);color:var(--primary)}.section-divider{border:0;border-top:1px solid var(--border);margin:40px 0}.team-section{padding:60px 1.5rem 80px;background:var(--bg);border-top:1px solid var(--border)}.team-section-title{text-align:center;margin-bottom:40px}.person-card{background:var(--card);padding:30px;border-radius:var(--radius-lg);border:1.5px solid var(--border);display:flex;flex-direction:column;gap:20px}.person-avatar{width:64px;height:64px;background:var(--bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem}.person-name{font-size:1.25rem;font-weight:800;color:var(--text)}.person-role{font-size:.85rem;font-weight:600;color:var(--accent)}.skill-tags{display:flex;flex-wrap:wrap;gap:8px}.skill-tag{font-size:.75rem;font-weight:600;padding:4px 10px;background:var(--bg);border-radius:6px;border:1px solid var(--border)}.cta-strip{padding:60px 1.5rem 120px;text-align:center;border-top:1px solid var(--border)}.page-hero{background:linear-gradient(135deg,var(--secondary) 0%,#1a4fa0 100%);padding:48px 16px 80px;text-align:center;color:#fff;min-height:250px}.page-hero h1{font-family:var(--system-fonts);font-size:clamp(1.75rem,5vw,2.6rem);font-weight:800;margin-bottom:10px;color:#fff}.page-hero p{color:rgba(255,255,255,.9);max-width:600px;margin:0 auto;font-size:1.05rem}.contact-wrap{max-width:800px;margin:0 auto;padding:80px 1.5rem 100px}.contact-form-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:0 4px 12px rgba(0,0,0,.08);position:relative;overflow:hidden;min-height:400px;contain:layout}.contact-form-card h3{font-size:1.25rem;margin-bottom:8px}.contact-form-card>p{font-size:.9rem;margin-bottom:24px;color:var(--subtext)}.field-row{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:480px){.field-row{grid-template-columns:repeat(2,1fr)}}.submit-btn{width:100%;padding:13px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;font-family:var(--system-fonts);cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;margin-top:6px}.submit-btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 14px rgba(37,99,235,.3)}.submit-btn:disabled{opacity:.65;cursor:not-allowed;transform:none}.form-success{display:none;text-align:center;padding:32px 16px}.form-success .success-icon{font-size:3rem;margin-bottom:14px}.form-success h3{margin-bottom:8px;color:var(--success)}.form-success p{font-size:.9rem;max-width:320px;margin:0 auto}.policy-wrap{max-width:780px;margin:0 auto;padding:80px 1.5rem 100px}.policy-wrap h2{font-size:1.25rem;font-weight:700;color:var(--text);margin:36px 0 10px;padding-bottom:8px;border-bottom:2px solid var(--border);display:flex;align-items:center;gap:8px}.policy-wrap h2:first-of-type{margin-top:0}.policy-wrap p{font-size:.95rem;color:var(--subtext);line-height:1.8;margin-bottom:14px}.policy-wrap ul{list-style:none;padding:0;margin-bottom:16px}.policy-wrap ul li{display:flex;align-items:flex-start;gap:9px;font-size:.94rem;color:var(--subtext);line-height:1.7;margin-bottom:8px;padding:10px 14px;background:var(--bg);border-radius:var(--radius-sm);border-left:3px solid var(--primary)}.policy-wrap ul li::before{content:'\2713';color:var(--success);font-weight:700;flex-shrink:0;margin-top:1px}.list-prohibited li{border-left-color:var(--error)}.list-prohibited li::before{content:'\2715';color:var(--error)}.policy-highlight{background:rgba(37,99,235,.06);border:1px solid rgba(37,99,235,.15);border-radius:var(--radius);padding:18px 20px;margin-bottom:28px}.policy-highlight p{margin:0;font-size:.93rem;color:var(--primary);font-weight:500}.last-updated{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);color:var(--subtext);font-size:.8rem;font-weight:600;padding:5px 13px;border-radius:100px;margin-bottom:32px}a.policy-link{color:var(--primary);font-weight:500;text-decoration:underline;text-underline-offset:3px}a.policy-link:hover{color:var(--primary-dark)}.error-hero{background:linear-gradient(135deg,var(--secondary) 0%,#1a4fa0 100%);padding:64px 16px 72px;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:24px;position:relative;overflow:hidden}.error-hero::before{content:'';position:absolute;top:-80px;right:-80px;width:350px;height:350px;background:radial-gradient(circle,rgba(249,115,22,.15) 0%,transparent 70%);pointer-events:none}.error-content{position:relative;z-index:1;max-width:540px}.error-code{font-family:var(--system-fonts);font-size:clamp(4rem,15vw,8rem);font-weight:800;color:var(--accent);line-height:1;margin-bottom:10px;text-shadow:0 4px 24px rgba(249,115,22,.3)}.error-hero h1{color:#fff;font-size:clamp(1.4rem,4vw,2rem);margin-bottom:12px}.error-hero p{color:rgba(255,255,255,.72);font-size:clamp(.87rem,2.5vw,1rem);max-width:400px;margin:0 auto 24px}.error-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.error-actions .btn-outline{border-color:rgba(255,255,255,.4);color:#fff!important}.error-actions .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff!important}.error-deco{position:relative;z-index:1;font-size:clamp(3rem,10vw,5rem);opacity:.25;animation:float 4s ease-in-out infinite}.error-links{padding:48px 0 64px;text-align:center}.el-title{color:var(--subtext);font-size:.80rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px}.el-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:560px;margin:0 auto}.el-card{display:flex;align-items:center;gap:10px;padding:13px 16px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);font-size:.82rem;font-weight:600;color:var(--text);text-decoration:none;transition:border-color .18s,box-shadow .18s}.el-card:hover{border-color:var(--primary);box-shadow:var(--shadow);color:var(--primary)}.el-icon{font-size:1.1rem;flex-shrink:0}@media(min-width:500px){.el-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:768px){.el-grid{grid-template-columns:repeat(6,1fr)}}#cookieConsent{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:720px;z-index:9999;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;animation:ccSlideUp .4s cubic-bezier(.16,1,.3,1)}.cc-inner{display:flex;align-items:flex-start;gap:20px}.cc-icon{width:48px;height:48px;background:rgba(37,99,235,.08);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}.cc-body{flex:1}.cc-title{font-family:var(--system-fonts);font-size:1rem;font-weight:700;color:var(--text);margin-bottom:6px}#cookieConsent p{color:var(--subtext);font-size:.88rem;line-height:1.6;margin:0}#cookieConsent a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}.cc-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-top:4px}.cc-btn{padding:10px 18px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition);border:none;font-family:var(--system-fonts);white-space:nowrap;text-align:center}.cc-accept{background:var(--primary);color:#fff}.cc-accept:hover{background:var(--primary-dark);transform:translateY(-1px)}.cc-decline{background:transparent;color:var(--subtext);border:1.5px solid var(--border)}.cc-decline:hover{border-color:var(--text);color:var(--text);background:var(--bg)}.cc-link{background:none;color:var(--subtext);font-size:.82rem;text-decoration:none;padding:10px 4px}.cc-link:hover{color:var(--primary)}.cc-fade{opacity:0;transform:translate(-50%,10px)!important;transition:all .3s ease}@media(max-width:640px){#cookieConsent{bottom:12px;padding:14px;border-radius:var(--radius)}.cc-inner{flex-direction:row;align-items:center;gap:10px}.cc-icon{width:34px;height:34px;font-size:1rem;border-radius:8px}.cc-title{font-size:.85rem;margin-bottom:3px}#cookieConsent p{font-size:.75rem;line-height:1.4}.cc-actions{flex-direction:column;gap:5px;margin-top:0;flex-shrink:0}.cc-btn{padding:6px 12px;font-size:.72rem;min-width:70px;flex:none;width:100%}.cc-link{display:none}}@media(max-width:480px){#cookieConsent{padding:12px;bottom:10px;width:calc(100% - 20px)}.cc-icon{display:none}.cc-inner{gap:8px}.cc-title{font-size:.8rem}#cookieConsent p{font-size:.7rem}.cc-btn{padding:5px 10px;font-size:.68rem;min-width:60px}}@media(min-width:768px){.tools-section{content-visibility:auto;contain-intrinsic-size:1px 600px}.features-grid{content-visibility:auto;contain-intrinsic-size:1px 300px}}@media(max-width:767px){#popularGrid{min-height:520px}#toolsGrid{min-height:1200px}.hero{min-height:380px;contain:layout}}@media(min-width:768px){.container{padding:0 24px}.header-inner{padding:0 24px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}.trust-sep{display:inline}}@media(min-width:1024px){.container{padding:0 32px}.header-inner{padding:0 32px}}@media(max-width:767px){.trust-sep{display:none}}.section-bg-card{background:var(--card);border-top:1px solid var(--border)}.section-bg-bg{background:var(--bg);border-top:1px solid var(--border)}.result-area{text-align:center;padding:20px;background:var(--bg);border-radius:var(--radius);margin-top:20px}.res-main{font-size:3rem;font-weight:800;color:var(--primary);font-family:var(--system-fonts);line-height:1;margin-bottom:8px}.res-label{font-size:.8rem;font-weight:700;color:var(--subtext);text-transform:uppercase;letter-spacing:.1em}.result-container-hidden{display:none;margin-top:15px}.result-area-alt{padding:20px;background:var(--bg);border-radius:var(--radius);border:1.5px solid var(--border);text-align:center}.res-main-large{font-size:2.5rem;font-weight:800;color:var(--primary);word-break:break-all}.res-label-sub{font-size:.85rem;font-weight:700;color:var(--subtext);text-transform:uppercase;margin-top:5px}.results-display{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:25px;margin-top:10px}.res-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}.res-row:last-child{border-bottom:none;padding-bottom:0}.res-row .res-label{font-weight:600;font-size:.95rem}.res-value{font-weight:800;font-size:1.4rem;color:var(--text)}.res-value.highlight{color:var(--primary);font-size:1.8rem}.results-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}.results-grid-1{grid-template-columns:1fr}@media(min-width:600px){.results-grid-4{grid-template-columns:repeat(4,1fr)}}.res-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:15px;text-align:left;min-width:0;overflow-wrap:break-word;word-break:break-word;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.res-card .res-val{font-size:1.3rem;font-weight:800;color:var(--primary);overflow-wrap:break-word;word-break:break-word;line-height:1.3}.res-card .res-lbl{font-size:.7rem;font-weight:700;color:var(--subtext);text-transform:uppercase;margin-top:4px;letter-spacing:.04em}.code-editor{min-height:250px;font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace!important;background-color:var(--bg);color:var(--text);padding:16px;tab-size:4;white-space:pre;overflow-wrap:normal;overflow-x:auto;border:1.5px solid var(--border);line-height:1.5;transition:var(--theme-transition)}.code-editor:focus{background-color:var(--card);border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.panel-bg-styled{background:var(--bg);padding:16px;border-radius:var(--radius);border:1.5px solid var(--border)}.panel-title-caps{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;color:var(--subtext)}.card-white-bordered{background:var(--card);padding:20px;border-radius:var(--radius);border:1.5px solid var(--border)}.results-display-area{background:var(--bg);padding:20px;border-radius:var(--radius);border:1.5px solid var(--border)}.res-row-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}.res-row-item:last-child{border-bottom:none}.res-row-lbl{font-size:.9rem;font-weight:600;color:var(--subtext)}.res-row-val{font-size:1.1rem;font-weight:800;color:var(--text)}.res-row-val.highlight{color:var(--primary);font-size:1.4rem}.results-grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}.res-card-styled{background:var(--bg);padding:15px;border-radius:var(--radius-sm);border:1.5px solid var(--border);text-align:left;min-width:0;overflow-wrap:break-word;word-break:break-word;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.res-val-large{font-size:1.4rem;font-weight:800;color:var(--primary);overflow-wrap:break-word;word-break:break-word;line-height:1.3}.res-lbl-caps{font-size:.75rem;font-weight:700;color:var(--subtext);text-transform:uppercase}.input-grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:15px;margin-bottom:20px}.flex-col-gap-20{display:flex;flex-direction:column;gap:20px}.flex-gap-10{display:flex;gap:10px}
.flex-gap-10-wrap{display:flex;gap:10px;flex-wrap:wrap}
.status-text-primary{font-weight:600;color:var(--primary)}.min-h-200{min-height:200px}.min-h-250{min-height:250px}.stats-grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.stat-card-styled{background:var(--bg);padding:15px;border-radius:var(--radius-sm);border:1.5px solid var(--border);text-align:left;min-width:0;overflow-wrap:break-word;word-break:break-word;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.stat-val-large{font-size:1.5rem;font-weight:800;color:var(--primary);overflow-wrap:break-word;word-break:break-word;line-height:1.3}.stat-lbl-caps{font-size:.75rem;font-weight:700;color:var(--subtext);text-transform:uppercase}.hero-badge-styled{margin-bottom:14px;display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.9);font-size:.77rem;font-weight:600;padding:5px 14px;border-radius:100px;backdrop-filter:blur(6px);will-change:transform}.hero-badge-in{margin-bottom:16px;display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.95);font-size:.77rem;font-weight:600;padding:5px 14px;border-radius:100px}.grid-reference-map{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:10px;text-align:center}.ref-item-box{padding:8px;background:var(--bg);border-radius:6px;font-size:.8rem}.result-textarea-pro{background:#f8fafc!important;font-weight:600;font-size:1.1rem}