.elp-page{--elp-bg:#0c0f16;--elp-bg2:#141825;--elp-bg3:#1a1f30;--elp-bd:#222940;--elp-bd2:#2a3352;--elp-tx:#f0f2fa;--elp-tx-b:#c4cbdf;--elp-tx-c:#7a84a0;--elp-tx-d:#3d4868;--elp-green:#22c55e;--elp-g-bg:#22c55e1a;--elp-g-bd:#22c55e40;--elp-g-glow:#22c55e33;--elp-amber:#f59e0b;--elp-blue:#4f7ef8;--elp-b-bg:#4f7ef814;--elp-b-bd:#4f7ef833;--elp-teal:#14b8a6;--elp-t-bg:#14b8a614;--elp-t-bd:#14b8a633;--elp-purple:#a78bfa;--elp-p-bg:#a78bfa14;--elp-font:"DM Sans", sans-serif;--elp-display:"DM Serif Display", serif;--elp-mono:"DM Mono", monospace;background:var(--elp-bg);color:var(--elp-tx);font-family:var(--elp-font);min-height:100vh;font-size:15px;line-height:1.65;overflow-x:hidden}.elp-page *,.elp-page :before,.elp-page :after{box-sizing:border-box}.elp-page a{color:inherit;text-decoration:none}.elp-scroll-bar{z-index:199;background:var(--elp-bd);height:2px;position:fixed;top:56px;left:0;right:0}.elp-scroll-fill{background:var(--elp-green);width:0%;height:100%;transition:width .1s}.elp-nav{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--elp-bd);z-index:200;background:#0b0e14d9;align-items:center;gap:20px;height:56px;padding:0 32px;display:flex;position:fixed;top:0;left:0;right:0}.elp-nav-logo{font-family:var(--elp-display);color:var(--elp-tx);align-items:center;gap:9px;font-size:16px;display:flex}.elp-nav-dot{background:var(--elp-green);width:9px;height:9px;box-shadow:0 0 10px var(--elp-green);border-radius:50%}.elp-nav-sep{background:var(--elp-bd2);width:1px;height:20px}.elp-nav-crumb{color:var(--elp-tx-c);font-size:12.5px;font-weight:500}.elp-nav-crumb span{color:var(--elp-tx-b)}.elp-nav-right{align-items:center;gap:10px;margin-left:auto;display:flex}.elp-nav-link{color:var(--elp-tx-c);font-size:13px;font-weight:500;transition:color .15s}.elp-nav-link:hover{color:var(--elp-tx-b)}.elp-nav-cta{background:var(--elp-green);color:#071a0d;cursor:pointer;font-size:13px;font-weight:700;font-family:var(--elp-font);border:none;border-radius:8px;padding:8px 18px;transition:all .15s}.elp-nav-cta:hover{box-shadow:0 0 20px var(--elp-g-glow);background:#16a34a}.elp-hero{grid-template-columns:1fr 420px;align-items:center;gap:60px;max-width:1100px;margin:0 auto;padding:100px 32px 80px;display:grid}.elp-back-link{color:var(--elp-tx-c);margin-bottom:20px;font-size:13px;text-decoration:none;transition:color .15s;display:inline-block}.elp-back-link:hover{color:var(--elp-green)}.elp-hero-eyebrow{background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);color:var(--elp-green);text-transform:uppercase;letter-spacing:.08em;border-radius:20px;align-items:center;gap:8px;margin-bottom:20px;padding:4px 12px;font-size:11.5px;font-weight:600;display:inline-flex}.elp-hero-eyebrow:before{content:"";background:var(--elp-green);width:6px;height:6px;box-shadow:0 0 8px var(--elp-green);border-radius:50%}.elp-hero-title{font-family:var(--elp-display);color:var(--elp-tx);margin-bottom:18px;font-size:clamp(34px,4vw,50px);line-height:1.15}.elp-hero-title em{color:var(--elp-green);font-style:italic}.elp-hero-desc{color:var(--elp-tx-b);max-width:480px;margin-bottom:32px;font-size:16px;line-height:1.7}.elp-hero-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.elp-hero-proof{flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;display:flex}.elp-proof-item{color:var(--elp-tx-c);align-items:center;gap:6px;font-size:12.5px;display:flex}.elp-proof-item strong{color:var(--elp-tx-b);font-weight:600}.elp-proof-dot{background:var(--elp-bd2);border-radius:50%;width:4px;height:4px}.elp-btn-primary{color:#fff;cursor:pointer;font-size:15px;font-weight:700;font-family:var(--elp-font);background:#16a34a;border:none;border-radius:10px;align-items:center;gap:8px;padding:13px 26px;transition:all .2s;display:inline-flex}.elp-btn-primary:hover{background:#15803d;transform:translateY(-1px);box-shadow:0 4px 20px #16a34a40}.elp-btn-secondary{border:1px solid var(--elp-bd2);color:var(--elp-tx-c);cursor:pointer;font-size:14px;font-weight:500;font-family:var(--elp-font);background:0 0;border-radius:10px;align-items:center;gap:8px;padding:12px 22px;transition:all .2s;display:inline-flex}.elp-btn-secondary:hover{color:var(--elp-tx-b);background:var(--elp-bg3)}.elp-hero-preview{position:relative}.elp-preview-card{background:var(--elp-bg2);border:1px solid var(--elp-bd2);border-radius:16px;overflow:hidden;box-shadow:0 24px 60px #00000080,0 0 0 1px #22c55e14}.elp-preview-topbar{background:var(--elp-bg3);border-bottom:1px solid var(--elp-bd);align-items:center;gap:8px;padding:10px 16px;display:flex}.elp-preview-tab{color:var(--elp-tx-c);border-radius:6px;padding:4px 12px;font-size:11px;font-weight:500}.elp-preview-tab.elp-active{background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);color:var(--elp-green)}.elp-preview-body{padding:18px}.elp-preview-section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--elp-tx-d);margin-bottom:10px;font-size:11px;font-weight:700}.elp-preview-key-idea{border-left:3px solid var(--elp-green);background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);border-left:3px solid var(--elp-green);border-radius:0 8px 8px 0;margin-bottom:12px;padding:10px 13px}.elp-pki-label{text-transform:uppercase;letter-spacing:.07em;color:var(--elp-green);margin-bottom:3px;font-size:9px;font-weight:700}.elp-pki-text{color:#a8f0c4;font-size:12px;line-height:1.5}.elp-preview-bullets{flex-direction:column;gap:5px;margin-bottom:12px;display:flex}.elp-pb{border-radius:6px;align-items:flex-start;gap:9px;padding:6px 10px;display:flex}.elp-pb:hover{background:var(--elp-bg3)}.elp-pb-line{border-radius:2px;flex-shrink:0;align-self:stretch;width:3px;margin-top:2px}.elp-pb-text{color:var(--elp-tx-b);font-size:11.5px;line-height:1.5}.elp-pb-text strong{color:var(--elp-tx)}.elp-preview-flow{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.elp-pf-step{background:var(--elp-bg3);border:1px solid var(--elp-bd2);color:var(--elp-tx-b);border-radius:5px;padding:4px 9px;font-size:10.5px;font-weight:500}.elp-pf-arrow{color:var(--elp-green);font-size:12px;font-weight:700}.elp-pf-result{background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);color:var(--elp-green);border-radius:5px;padding:4px 9px;font-size:10.5px;font-weight:500}.elp-hero-badge{background:var(--elp-bg2);border:1px solid var(--elp-bd2);border-radius:10px;align-items:center;gap:8px;padding:9px 13px;font-size:12px;animation:4s ease-in-out infinite elp-float;display:flex;position:absolute;box-shadow:0 8px 24px #0006}.elp-hero-badge.elp-b1{top:-18px;right:-20px}@keyframes elp-float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.elp-badge-icon{font-size:16px}.elp-badge-text{flex-direction:column;display:flex}.elp-badge-val{color:var(--elp-tx);font-size:13px;font-weight:700;line-height:1.1}.elp-badge-lbl{color:var(--elp-tx-c);font-size:10px}.elp-features-strip{border-top:1px solid var(--elp-bd);border-bottom:1px solid var(--elp-bd);background:var(--elp-bg2);padding:28px 32px}.elp-features-inner{grid-template-columns:repeat(5,1fr);max-width:1100px;margin:0 auto;display:grid}.elp-feat-item{border-right:1px solid var(--elp-bd);align-items:center;gap:12px;padding:0 24px;display:flex}.elp-feat-item:first-child{padding-left:0}.elp-feat-item:last-child{border-right:none}.elp-feat-icon{flex-shrink:0;font-size:22px}.elp-feat-label{color:var(--elp-tx-b);font-size:13px;font-weight:600;line-height:1.3}.elp-feat-sub{color:var(--elp-tx-c);font-size:11px}.elp-section{max-width:1100px;margin:0 auto;padding:80px 32px}.elp-section-sm{max-width:1100px;margin:0 auto;padding:60px 32px}.elp-s-eyebrow{text-transform:uppercase;letter-spacing:.1em;color:var(--elp-tx-d);align-items:center;gap:7px;margin-bottom:12px;font-size:11px;font-weight:700;display:inline-flex}.elp-s-eyebrow-dot{border-radius:50%;width:5px;height:5px}.elp-s-title{font-family:var(--elp-display);color:var(--elp-tx);margin-bottom:10px;font-size:clamp(26px,3vw,36px);line-height:1.2}.elp-s-sub{color:var(--elp-tx-c);max-width:520px;font-size:15px}.elp-units-header{margin-bottom:40px}.elp-unit-block{margin-bottom:48px}.elp-unit-label-row{align-items:center;gap:14px;margin-bottom:16px;display:flex}.elp-unit-num{background:var(--elp-bg3);border:1px solid var(--elp-bd2);width:32px;height:32px;font-family:var(--elp-mono);color:var(--elp-tx-c);border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:500;display:flex}.elp-unit-heading{color:var(--elp-tx);flex:1;font-size:16px;font-weight:700}.elp-unit-code{font-family:var(--elp-mono);color:var(--elp-tx-d);background:var(--elp-bg3);border:1px solid var(--elp-bd);border-radius:5px;padding:3px 8px;font-size:11px}.elp-unit-desc{color:var(--elp-tx-c);max-width:700px;margin-bottom:18px;font-size:13.5px;line-height:1.65}.elp-unit-divider{background:var(--elp-bd);height:1px;margin:40px 0}.elp-topics-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px;display:grid}.elp-topic-tile{background:var(--elp-bg2);border:1px solid var(--elp-bd);cursor:pointer;border-radius:12px;align-items:flex-start;gap:12px;padding:16px 18px;transition:all .2s;display:flex;position:relative;overflow:hidden}.elp-topic-tile:before{content:"";opacity:0;background:linear-gradient(135deg,#22c55e0f,#0000);transition:opacity .2s;position:absolute;inset:0}.elp-topic-tile:hover{border-color:var(--elp-g-bd);transform:translateY(-2px);box-shadow:0 6px 24px #00000059,0 0 0 1px #22c55e1a}.elp-topic-tile:hover:before{opacity:1}.elp-tt-ref{font-family:var(--elp-mono);color:var(--elp-green);background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);border-radius:4px;flex-shrink:0;margin-top:1px;padding:2px 6px;font-size:10px;font-weight:500}.elp-tt-body{flex:1}.elp-tt-name{color:var(--elp-tx);margin-bottom:3px;font-size:13px;font-weight:600;line-height:1.3}.elp-tt-meta{color:var(--elp-tx-c);font-size:11px}.elp-tt-arrow{color:var(--elp-tx-d);opacity:0;align-self:center;font-size:13px;transition:all .15s;transform:translate(-4px)}.elp-topic-tile:hover .elp-tt-arrow{opacity:1;transform:translate(0)}.elp-unit-cta{color:var(--elp-green);cursor:pointer;background:#10b98126;border:1px solid #10b9814d;border-radius:10px;align-items:center;gap:7px;padding:10px 20px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.elp-unit-cta:hover{box-shadow:0 0 16px var(--elp-g-glow);background:#10b98140}.elp-wyg-section{background:var(--elp-bg2);border-top:1px solid var(--elp-bd);border-bottom:1px solid var(--elp-bd);padding:80px 32px}.elp-wyg-inner{max-width:1100px;margin:0 auto}.elp-wyg-header{text-align:center;margin-bottom:48px}.elp-wyg-header .elp-s-sub{margin:0 auto}.elp-wyg-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.elp-wyg-card{background:var(--elp-bg3);border:1px solid var(--elp-bd2);border-radius:14px;padding:24px 22px;transition:all .2s}.elp-wyg-card:hover{border-color:var(--elp-bd2);transform:translateY(-3px);box-shadow:0 10px 32px #0006}.elp-wyg-icon{border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:14px;font-size:20px;display:flex}.elp-wyg-title{color:var(--elp-tx);margin-bottom:6px;font-size:14.5px;font-weight:700}.elp-wyg-desc{color:var(--elp-tx-c);font-size:13px;line-height:1.6}.elp-wyg-tag{text-transform:uppercase;letter-spacing:.06em;border-radius:20px;margin-top:10px;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.elp-tag-free{background:var(--elp-g-bg);border:1px solid var(--elp-g-bd);color:var(--elp-green)}.elp-tag-pro{background:var(--elp-p-bg);color:var(--elp-purple);border:1px solid #a78bfa33}.elp-resources-row{flex-wrap:wrap;gap:8px;margin-top:32px;display:flex}.elp-resource-chip{background:var(--elp-bg2);border:1px solid var(--elp-bd2);color:var(--elp-tx-b);cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:10px 16px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.elp-resource-chip:hover{border-color:var(--elp-g-bd);color:var(--elp-tx);background:var(--elp-bg3)}.elp-resource-chip-icon{font-size:16px}.elp-cta-section{text-align:center;padding:100px 32px;position:relative;overflow:hidden}.elp-cta-bg{pointer-events:none;background:radial-gradient(#22c55e12 0%,#0000 65%);position:absolute;inset:0}.elp-cta-inner{max-width:600px;margin:0 auto;position:relative}.elp-cta-title{font-family:var(--elp-display);color:var(--elp-tx);margin-bottom:14px;font-size:clamp(28px,3.5vw,42px);line-height:1.2}.elp-cta-sub{color:var(--elp-tx-c);margin-bottom:36px;font-size:16px;line-height:1.65}.elp-cta-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.elp-cta-note{color:var(--elp-tx-d);margin-top:16px;font-size:12px}.elp-footer{background:var(--elp-bg2);border-top:1px solid var(--elp-bd);padding:32px}.elp-footer-inner{flex-wrap:wrap;align-items:center;gap:16px;width:100%;max-width:1100px;margin:0 auto;display:flex}.elp-footer-logo{font-family:var(--elp-display);color:var(--elp-tx);align-items:center;gap:8px;font-size:14px;display:flex}.elp-footer-sep{background:var(--elp-bd2);width:1px;height:14px}.elp-footer-links{flex-wrap:wrap;gap:16px;display:flex}.elp-footer-link{color:var(--elp-tx-c);font-size:12.5px;transition:color .15s}.elp-footer-link:hover{color:var(--elp-tx-b)}.elp-footer-right{color:var(--elp-tx-d);margin-left:auto;font-size:12px}.elp-fade-up{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(20px)}.elp-fade-up.elp-visible{opacity:1;transform:translateY(0)}@media (max-width:900px){.elp-hero{grid-template-columns:1fr;gap:40px;padding:120px 20px 60px}.elp-hero-preview{display:none}.elp-features-inner{grid-template-columns:repeat(2,1fr);gap:16px}.elp-feat-item{border-right:none;padding:8px 0}.elp-wyg-grid,.elp-topics-grid{grid-template-columns:1fr 1fr}.elp-section,.elp-section-sm{padding:60px 20px}}@media (max-width:600px){.elp-wyg-grid,.elp-topics-grid,.elp-features-inner{grid-template-columns:1fr}}.eup-topic-nav{border-top:1px solid var(--elp-bd);border-bottom:1px solid var(--elp-bd);background:var(--elp-bg2);z-index:100;align-items:center;gap:4px;height:48px;padding:0 32px;display:flex;position:sticky;top:56px;overflow-x:auto}.eup-tnav-label{text-transform:uppercase;letter-spacing:.08em;color:var(--elp-tx-d);white-space:nowrap;flex-shrink:0;margin-right:8px;font-size:11px;font-weight:700}.eup-tnav-pill{font-family:var(--elp-mono);color:var(--elp-tx-c);white-space:nowrap;border:1px solid #0000;border-radius:20px;flex-shrink:0;padding:5px 14px;font-size:12px;font-weight:500;transition:all .15s}.eup-tnav-pill:hover{color:var(--eup-accent);border-color:var(--eup-accent-bd);background:var(--eup-accent-bg)}.eup-unit-badge-row{align-items:center;gap:8px;margin-bottom:14px;display:inline-flex}.eup-unit-num{font-family:var(--elp-mono);color:var(--eup-accent);background:var(--eup-accent-bg);border:1px solid var(--eup-accent-bd);border-radius:5px;padding:3px 8px;font-size:11px;font-weight:500}.eup-unit-code{font-family:var(--elp-mono);color:var(--elp-tx-d);background:var(--elp-bg3);border:1px solid var(--elp-bd2);border-radius:5px;padding:3px 8px;font-size:11px}.eup-topic-block{margin-bottom:52px;scroll-margin-top:116px}.eup-topic-label-row{align-items:center;gap:14px;margin-bottom:14px;display:flex}.eup-topic-ref-badge{font-family:var(--elp-mono);color:var(--eup-accent);background:var(--eup-accent-bg);border:1px solid var(--eup-accent-bd);border-radius:5px;flex-shrink:0;padding:3px 9px;font-size:11px;font-weight:600}.eup-topic-heading{font-family:var(--elp-display);color:var(--elp-tx);flex:1;font-size:22px;text-decoration:none;transition:color .15s}.eup-topic-heading:hover{color:var(--eup-accent)}.eup-topic-open-link{color:var(--eup-accent);background:var(--eup-accent-bg);border:1px solid var(--eup-accent-bd);border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:6px 14px;font-size:12.5px;font-weight:600;transition:all .15s;display:flex}.eup-topic-open-link:hover{box-shadow:0 0 14px var(--eup-accent-glow)}.eup-topic-desc{color:var(--elp-tx-c);max-width:680px;margin-bottom:18px;font-size:13.5px;line-height:1.65}.eup-topic-divider{background:var(--elp-bd);height:1px;margin:48px 0}.eup-subtopic-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.eup-subtopic-tile{background:var(--elp-bg2);border:1.5px solid var(--elp-bd);color:inherit;cursor:pointer;border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;text-decoration:none;transition:all .15s;display:flex;position:relative;overflow:hidden}.eup-subtopic-tile:before{content:"";background:linear-gradient(135deg, var(--eup-accent-bg), transparent);opacity:0;transition:opacity .2s;position:absolute;inset:0}.eup-subtopic-tile:hover{border-color:var(--eup-accent-bd);transform:translateY(-1px);box-shadow:0 4px 16px #00000040}.eup-subtopic-tile:hover:before{opacity:1}.eup-st-num{font-family:var(--elp-mono);color:var(--eup-accent);background:var(--eup-accent-bg);border:1px solid var(--eup-accent-bd);border-radius:4px;flex-shrink:0;margin-top:1px;padding:2px 6px;font-size:10px;font-weight:500}.eup-st-body{flex:1;min-width:0}.eup-st-name{color:var(--elp-tx);margin-bottom:3px;font-size:13px;font-weight:600;line-height:1.3}.eup-st-keywords{color:var(--elp-tx-c);font-size:11px;line-height:1.5}.eup-unit-overview{background:var(--elp-bg2);border-top:1px solid var(--elp-bd);border-bottom:1px solid var(--elp-bd);padding:80px 32px}.eup-unit-overview-inner{grid-template-columns:1fr 1fr;align-items:start;gap:40px;max-width:1100px;margin:0 auto;display:grid}.eup-key-concepts{flex-direction:column;gap:10px;margin-top:24px;display:flex}.eup-concept{background:var(--elp-bg3);border:1px solid var(--elp-bd2);border-radius:8px;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.eup-concept-icon{flex-shrink:0;font-size:18px}.eup-concept-title{color:var(--elp-tx);margin-bottom:2px;font-size:13.5px;font-weight:600}.eup-concept-desc{color:var(--elp-tx-c);font-size:12px;line-height:1.5}.eup-exam-info{background:var(--elp-bg3);border:1px solid var(--elp-bd2);border-radius:12px;margin-top:24px;padding:22px}.eup-ei-label{text-transform:uppercase;letter-spacing:.08em;color:var(--elp-tx-d);margin-bottom:14px;font-size:9.5px;font-weight:700}.eup-ei-row{border-bottom:1px solid var(--elp-bd);justify-content:space-between;align-items:center;padding:10px 0;font-size:13px;display:flex}.eup-ei-row-last{border-bottom:none;padding-bottom:0}.eup-ei-key{color:var(--elp-tx-c)}.eup-ei-val{color:var(--elp-tx);font-weight:600}.eup-marks-pills-inline{align-items:center;gap:5px;display:inline-flex}.eup-mp{font-family:var(--elp-mono);border-radius:4px;padding:2px 8px;font-size:10.5px;font-weight:600}.eup-mp-4{color:#4f7ef8;background:#4f7ef814;border:1px solid #4f7ef833}.eup-mp-8{color:#f59e0b;background:#f59e0b14;border:1px solid #f59e0b33}.eup-mp-20{color:#a78bfa;background:#a78bfa14;border:1px solid #a78bfa33}.eup-continue-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px;display:grid}.eup-continue-card{background:var(--elp-bg2);border:1px solid var(--elp-bd2);border-radius:10px;align-items:center;gap:14px;padding:16px 18px;text-decoration:none;transition:all .15s;display:flex}.eup-continue-card:hover{border-color:#22c55e40;transform:translateY(-1px);box-shadow:0 4px 14px #00000040}.eup-cc-icon{flex-shrink:0;font-size:22px}.eup-cc-body{flex:1;min-width:0}.eup-cc-name{color:var(--elp-tx);margin-bottom:2px;font-size:13.5px;font-weight:600}.eup-cc-sub{color:var(--elp-tx-c);font-size:11.5px}.eup-cc-arrow{color:var(--elp-tx-d);flex-shrink:0;font-size:14px;transition:all .15s}.eup-continue-card:hover .eup-cc-arrow{color:#22c55e;transform:translate(2px)}@media (max-width:900px){.eup-subtopic-grid{grid-template-columns:1fr 1fr}.eup-unit-overview-inner,.eup-continue-grid{grid-template-columns:1fr}.eup-topic-heading{font-size:18px}.eup-topic-label-row{flex-wrap:wrap}}@media (max-width:600px){.eup-subtopic-grid{grid-template-columns:1fr}.eup-topic-nav{padding:0 16px}}