:root{--bg: #f5f7fb;--panel: #ffffff;--panel-sunken: #eef1f7;--ink: #1b1f2a;--muted: #3f4757;--accent: #3730a3;--accent-strong: #312e81;--on-accent: #ffffff;--success: #01492b;--danger: #a5121a;--warning: #7c3a00;--line: #d7dced;--line-card: #848da4;--line-strong: #767f8f;--focus: #7a2e00;--focus-halo: #1b1f2a;--radius: 16px;--radius-sm: 10px;--min-touch-target: 44px;--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", sans-serif}@media (prefers-color-scheme: dark){:root:not([data-scheme=light]){--bg: #15161c;--panel: #1f2129;--panel-sunken: #171921;--ink: #f2f4f8;--muted: #b9c1d1;--accent: #aab6ff;--accent-strong: #c7cdff;--on-accent: #15161c;--success: #6ee7b7;--danger: #fca5a5;--warning: #fcd34d;--line: #343846;--line-card: #727a94;--line-strong: #8f98ab;--focus-halo: #ffffff}}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:20px;min-height:100vh;font-family:var(--font-ui);line-height:1.6;color:var(--ink);background-color:var(--accent);background-image:linear-gradient(135deg,var(--accent-1) 0%,var(--accent-2) 100%)}.skip-link{position:absolute;left:-9999px;top:0;padding:12px 18px;background:var(--panel);color:var(--ink);border:3px solid var(--focus);border-radius:0 0 var(--radius-sm) 0;font-weight:700;z-index:10}.skip-link:focus{left:0}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;box-shadow:0 0 0 5px var(--focus-halo)}.help-container,.help-page{max-width:1100px;margin:0 auto;background:var(--panel);border-radius:20px;box-shadow:0 20px 60px #00000047;overflow:hidden}.help-page{max-width:900px}.help-header,.page-header{position:relative;padding:40px 40px 36px;text-align:center;background-color:var(--accent);background-image:linear-gradient(135deg,var(--accent-1) 0%,var(--accent-2) 100%);color:var(--on-accent)}.help-header h1,.page-header h1{margin:0 0 10px;font-size:clamp(1.6rem,3.2vw,2.3rem);color:inherit}.help-header p,.subtitle{margin:0 auto;max-width:640px;font-size:1.1rem;color:inherit}.back-btn{position:absolute;top:20px;inset-inline-start:20px;display:inline-flex;align-items:center;gap:8px;min-height:var(--min-touch-target);padding:10px 20px;font-weight:600;text-decoration:none;color:var(--on-accent);background:transparent;border:2px solid var(--on-accent);border-radius:25px}.back-btn:hover{background:#00000038}.tool-icon-large{width:100px;height:100px;margin:8px auto 20px;padding:18px;display:grid;place-items:center;background:var(--panel);border-radius:20px;box-shadow:0 10px 30px #00000040}.tool-icon-large svg{width:100%;height:100%;display:block}.category-section{padding-top:32px}.category-title{margin:0 40px 18px;padding-bottom:10px;font-size:1.45rem;color:var(--accent);border-bottom:2px solid var(--line)}.help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;padding:0 40px 32px}.help-card{display:flex;flex-direction:column;overflow:hidden;text-decoration:none;color:var(--ink);background:var(--panel);border:2px solid var(--line-card);border-radius:15px}.help-card:hover{border-color:var(--accent);background:var(--panel-sunken)}.card-icon{display:grid;place-items:center;padding:22px;background:var(--panel-sunken);border-bottom:1px solid var(--line)}.tool-icon{width:56px;height:56px;display:grid;place-items:center}.tool-icon svg{width:100%;height:100%;display:block}.card-content{padding:18px 20px 22px}.card-content h3{margin:0 0 6px;font-size:1.15rem;color:var(--accent)}.card-content p{margin:0;font-size:.95rem;color:var(--muted)}.content{padding:40px;max-width:80ch}.section{margin-bottom:40px}.section h2{display:flex;align-items:baseline;gap:10px;margin:0 0 14px;padding-bottom:10px;font-size:1.6rem;color:var(--accent);border-bottom:3px solid var(--accent-strong)}.section h3{margin:26px 0 8px;font-size:1.15rem;color:var(--ink)}.section p,.description{margin:0 0 14px}.description{font-size:1.05rem}.content-list{margin:0 0 14px;padding-inline-start:24px}.content-list li{margin-bottom:8px}.content a{color:var(--accent)}.steps{list-style:none;margin:0;padding:0;counter-reset:step}.step{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step-number{display:grid;place-items:center;width:38px;height:38px;font-weight:700;color:var(--on-accent);background-color:var(--accent);background-image:linear-gradient(135deg,var(--accent-1) 0%,var(--accent-2) 100%);border-radius:50%}.step-content p{margin:0 0 6px}.step-content p:last-child{margin-bottom:0}.step-title{font-weight:700}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-bottom:14px}.option-card{padding:18px;background:var(--panel);border:2px solid var(--line-card);border-radius:12px}.option-card h3{margin:0 0 6px;font-size:1.05rem;color:var(--accent)}.option-card p{margin:0 0 10px;font-size:.95rem}.option-card ul{margin:0;padding-inline-start:20px;font-size:.95rem}.option-card li{margin-bottom:4px}.option-label{display:block;margin-bottom:6px;font-size:.75rem;font-weight:700;letter-spacing:.06em;color:var(--muted)}.tip-box,.warning-box{margin:22px 0;padding:18px 20px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.tip-box{border-inline-start:6px solid var(--warning)}.warning-box{border-inline-start:6px solid var(--danger)}.tip-box h3,.warning-box h3{margin:0 0 10px;font-size:1.05rem}.tip-box h3{color:var(--warning)}.warning-box h3{color:var(--danger)}.tip-box p,.warning-box p{margin:0 0 8px}.tip-box p:last-child,.warning-box p:last-child{margin-bottom:0}.shortcuts-table{margin-bottom:14px;overflow-x:auto}.shortcuts-table table{width:100%;border-collapse:collapse}.shortcuts-table th,.shortcuts-table td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--line)}.shortcuts-table th{color:var(--accent);background:var(--panel-sunken)}kbd{display:inline-block;padding:3px 8px;font-family:inherit;font-size:.9em;font-weight:700;color:var(--ink);background:var(--panel-sunken);border:1px solid var(--line-strong);border-radius:6px}.related{padding:0 40px 40px}.related h2{font-size:1.2rem;color:var(--accent);margin:0 0 12px}.related ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}.related a{display:inline-flex;align-items:center;min-height:var(--min-touch-target);padding:8px 16px;text-decoration:none;font-weight:600;color:var(--accent);background:var(--panel-sunken);border:2px solid var(--line-card);border-radius:25px}.related a:hover{border-color:var(--accent)}@media (max-width: 640px){body{padding:0}.help-container,.help-page{border-radius:0}.help-header,.page-header{padding:92px 20px 28px}.back-btn{top:16px;inset-inline-start:16px}.category-title{margin-inline:20px}.help-grid{padding:0 20px 24px;gap:16px}.content{padding:24px 20px}.related{padding:0 20px 28px}.step{grid-template-columns:auto minmax(0,1fr);gap:12px}}@media print{body{padding:0;background:#fff}.help-container,.help-page{box-shadow:none;max-width:none}.back-btn,.skip-link,.related{display:none}.help-header,.page-header{background:#fff;color:#000}.section{break-inside:avoid}}