.ech{--sky:#bebddd;--sky-hill:#c5ced7;--cream:#fbf7ee;--paper:#fffdf8;--ink:#2a2444;--ink-2:#4a4463;--muted:#6c6780;--brand:#8a6bfc;--brand-deep:#5b3fd0;--brand-shadow:#5e44cf;--lav:#ece7fb;--mustard-soft:#f7e6b8;--sage-soft:#e3ebd9;--sage-deep:#46603f;--ff-d:var(--font-ech-display),"Gabarito",system-ui,sans-serif;--ff-b:var(--font-ech-body),"Figtree",system-ui,sans-serif;--ff-h:var(--font-ech-hand),"Patrick Hand",cursive;--gx:48px;--px:112px;--hx:72px;position:relative;background:var(--cream);color:var(--ink);font-family:var(--ff-b);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}.ech *,.ech :after,.ech :before{box-sizing:border-box;margin:0;padding:0}.ech a{color:inherit;text-decoration:none}.ech img{display:block;max-width:none}.ech ol,.ech ul{list-style:none}.ech .att b,.ech .hc-t,.ech .key-t,.ech .n,.ech .pin,.ech .pips b,.ech .rb-t,.ech .sh-t,.ech .sl-h,.ech .tot,.ech .win-t,.ech .ws-t,.ech h1,.ech h2{font-family:var(--ff-d)}.ech a:focus-visible{outline:3px solid var(--brand-deep);outline-offset:3px;border-radius:999px}.ech .btn-primary:focus-visible{outline-color:var(--ink)}.ech .stage{container-type:inline-size;width:100%}.ech .stage-box{--k:1;position:relative;width:calc(var(--sw) * var(--k));height:calc(var(--sh) * var(--k))}@supports (width:calc(1px * tan(atan2(1px,1px)))){.ech .stage-box{--k:min(1,tan(atan2(100cqw,var(--sw))))}}.ech .stage-in{position:absolute;left:0;top:0;width:var(--sw);height:var(--sh);transform:scale(var(--k));transform-origin:0 0}.ech .stage-c .stage-box{margin-inline:auto}.ech .h{font-size:56px;line-height:1.02;font-weight:800;letter-spacing:-.022em}.ech .l{font-size:20px;line-height:1.45;color:var(--ink-2);font-weight:500}.ech .btn{display:inline-flex;align-items:center;justify-content:center;height:58px;padding:0 30px;border-radius:999px;font-family:var(--ff-d);font-size:19px;font-weight:700}.ech .btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 0 var(--brand-shadow),0 10px 24px rgba(91,63,208,.25)}.ech .btn-soft{background:rgba(255,253,248,.88);color:var(--ink);box-shadow:0 4px 0 rgba(42,36,68,.12)}@media (prefers-reduced-motion:no-preference){.ech .btn,.ech .nav-r a{transition:transform .15s ease,box-shadow .15s ease,background-color .15s ease}.ech .btn:hover{transform:translateY(-1px)}}.ech .btn-primary:hover{background:#7f5ef8}.ech .nav-r a:hover{background:rgba(255,253,248,.6)}.ech .nav-r .solid:hover{background:#3a3359}.ech .pl{display:block;width:var(--s);height:var(--s);background-image:url(/home/planets.webp);background-repeat:no-repeat;background-size:calc(var(--s) * 3.6364) auto;background-position:calc(var(--s) * var(--x) * -1) calc(var(--s) * var(--y) * -1);flex:none}.ech .sun{--x:0.1455;--y:0.1455}.ech .mercury{--x:1.3205;--y:0.1455}.ech .venus{--x:2.4955;--y:0.1455}.ech .earth{--x:0.1455;--y:1.3205}.ech .mars{--x:1.3205;--y:1.3205}.ech .jupiter{--x:2.4955;--y:1.3205}.ech .saturn{--x:0.1455;--y:2.4955}.ech .uranus{--x:1.3205;--y:2.4955}.ech .neptune{--x:2.4955;--y:2.4955}.ech .dot{display:block;width:9px;height:9px;border-radius:50%;flex:none}.ech .m-gpt{background:#7fa392}.ech .m-claude{background:#d69a6a}.ech .m-gemini{background:#86a3dc}.ech .m-grok{background:#5d5a66}.ech .m-deepseek{background:#7d8fd8}.ech .m-llama{background:#9bb3c9}.ech .m-mistral{background:#e3a957}.ech .caret{display:inline-block;width:2px;height:18px;background:var(--brand);vertical-align:-3px;margin-left:2px}.ech .site-head{position:absolute;z-index:5;top:0;left:0;right:0}.ech .nav{max-width:1440px;margin:0 auto;height:88px;gap:40px;padding:0 var(--hx)}.ech .nav,.ech .nav-logo{display:flex;align-items:center}.ech .nav-logo{min-height:44px;border-radius:8px}.ech .nav-logo img{height:32px;width:auto}.ech .nav-links{display:flex;gap:34px;font-size:16px;font-weight:600}.ech .nav-links a{display:inline-flex;align-items:center;min-height:44px}.ech .nav-links a:hover{color:var(--brand-deep)}.ech .nav-r{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}.ech .nav-r a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px}.ech .nav-r .solid{background:var(--ink);color:#fff;padding:0 22px}.ech .hero{position:relative;z-index:2;background:var(--sky)}.ech .land{position:absolute;left:0;right:0;bottom:0;height:min(678px,47vw);overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 70px);mask-image:linear-gradient(180deg,transparent 0,#000 70px)}.ech .land img{width:100%;height:100%;object-fit:cover;object-position:25% 100%}.ech .hero-in{position:relative;z-index:1;display:flow-root;max-width:1440px;margin:0 auto;padding-top:88px}.ech .hero-copy{position:relative;z-index:3;max-width:calc(900px + 2 * var(--hx));padding:16px var(--hx) 0}.ech .hero h1{font-size:76px;line-height:.96;font-weight:800;letter-spacing:-.028em}.ech .hero h1 span{color:var(--brand-deep)}.ech .hero .sub{margin-top:20px;font-size:21px;line-height:1.4;color:var(--ink-2);font-weight:500}.ech .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.ech .hero-win{position:relative;z-index:2;padding:65px var(--hx) 0;margin-bottom:-60px}.ech .win{position:absolute;inset:0;background:var(--paper);border-radius:26px;box-shadow:0 2px 0 rgba(42,36,68,.06),0 30px 60px -10px rgba(48,40,90,.35);overflow:hidden;border:1px solid rgba(42,36,68,.08)}.ech .win-bar{height:50px;display:flex;align-items:center;gap:12px;padding:0 18px;border-bottom:1px solid #eee9f6;background:#fff}.ech .win-bar .mark{width:26px;height:26px;border-radius:8px}.ech .win-t{font-weight:700;font-size:15px}.ech .win-t small{font-family:var(--ff-b);font-weight:500;color:#76718a;font-size:13px;margin-left:8px}.ech .act{margin-left:auto;display:flex;gap:8px}.ech .act span{font-size:13px;font-weight:600;padding:7px 13px;border-radius:999px;background:#f3f0fa;color:var(--ink-2)}.ech .act span.p{background:var(--ink);color:#fff}.ech .win-body{display:flex;height:462px}.ech .chat{width:290px;flex:none;padding:18px 16px;display:flex;flex-direction:column;gap:12px;background:#fff;border-right:1px solid #eee9f6;position:relative}.ech .msg{font-size:13.5px;line-height:1.4;padding:10px 13px;border-radius:16px;max-width:240px}.ech .msg.me{align-self:flex-end;background:var(--lav);border-bottom-right-radius:6px}.ech .msg.ai{background:#f6f4ef;border-bottom-left-radius:6px}.ech .att{display:flex;align-items:center;gap:10px;border:1.5px solid #ebe6f5;border-radius:14px;padding:8px 12px 8px 8px;max-width:240px}.ech .att b{display:block;font-size:13.5px}.ech .att small{font-size:12px;color:var(--muted);font-weight:500}.ech .composer{position:absolute;left:14px;right:14px;bottom:14px;border-radius:16px;border:1.5px solid #e6e0f4;padding:10px 8px 8px 12px;font-size:13.5px;color:#77728a}.ech .composer .row{display:flex;align-items:center;gap:8px;margin-top:10px}.ech .mbtn{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--ink);background:#f3f0fa;border-radius:999px;padding:5px 10px}.ech .send{margin-left:auto;width:32px;height:32px;border-radius:10px;background:var(--brand);display:grid;place-items:center;flex:none}.ech .canvas{flex:1;background:#efebf7;position:relative;overflow:hidden}.ech .canvas .sheet{position:absolute;left:36px;top:22px}.ech .hcard{display:none}.ech .sheet{width:548px;background:#fff;border-radius:6px;box-shadow:0 8px 24px rgba(48,40,90,.14);padding:28px 32px;text-align:left}.ech .sheet-h{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px dashed #e4ddf3;padding-bottom:14px}.ech .kicker{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);text-transform:uppercase}.ech .sh-t{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.05;margin-top:4px}.ech .nl{display:flex;gap:18px;margin-top:10px;font-size:11.5px;color:var(--muted)}.ech .nl i{display:inline-block;width:110px;border-bottom:1px solid #b9b3cc;margin-left:6px;transform:translateY(-3px)}.ech .nl i.short{width:70px}.ech .duo{display:flex;align-items:center;margin-top:-4px}.ech .duo .pl+.pl{margin-left:-14px}.ech .q{margin-top:16px;position:relative}.ech .qt{display:flex;gap:9px;font-size:14px;font-weight:600;line-height:1.35}.ech .n{width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;display:grid;place-items:center;flex:none}.ech .opts{display:flex;gap:10px;margin-top:10px;padding-left:31px}.ech .opt{width:106px;border:1.5px solid #ebe6f5;border-radius:12px;padding:6px 6px 7px;display:flex;flex-direction:column;align-items:center;font-size:12px;font-weight:600;color:var(--ink-2)}.ech .opt .pl{border-radius:8px}.ech .opt em{font-style:normal;color:var(--brand-deep);margin-right:4px}.ech .tf{display:flex;gap:22px;margin-top:8px;padding-left:31px;font-size:13px;color:var(--ink-2);font-weight:600}.ech .tf span:before,.ech .tx span:before{content:"";display:inline-block;width:12px;height:12px;border-radius:50%;border:1.5px solid #b9b3cc;margin-right:8px;vertical-align:-2px}.ech .tx{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;margin-top:8px;padding-left:31px;font-size:13px;color:var(--ink-2)}.ech .order{gap:14px;margin-top:10px;padding-left:31px}.ech .order,.ech .order div{display:flex;align-items:center}.ech .order div{flex-direction:column;gap:4px}.ech .order .pl{--s:44px}.ech .order i{display:block;width:44px;border-bottom:1.5px solid #b9b3cc;height:14px}.ech .models{max-width:1440px;margin:0 auto;padding:180px var(--px) 110px;display:flex;align-items:center;gap:80px}.ech .models .txt{width:440px;flex:none}.ech .models .l{margin-top:20px}.ech .mstage{position:relative;flex:1;min-width:0;height:540px}.ech .menu{position:absolute;z-index:3;right:40px;bottom:178px;width:330px;background:#fff;border-radius:22px;box-shadow:0 2px 0 rgba(42,36,68,.06),0 26px 50px -10px rgba(48,40,90,.35);padding:10px;border:1px solid #efeaf8}.ech .lbl{font-size:12px;font-weight:700;color:var(--muted);padding:8px 12px 6px}.ech .mi{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:13px;font-size:16px;font-weight:600}.ech .mi small{font-size:13.5px;color:var(--muted);font-weight:500}.ech .mi .dot{width:11px;height:11px}.ech .mi.on{background:var(--lav)}.ech .ck{margin-left:auto}.ech .mcard{position:absolute;left:0;right:0;bottom:0;background:#fff;border-radius:30px;box-shadow:0 3px 0 rgba(42,36,68,.06),0 34px 70px -24px rgba(70,55,120,.4);padding:24px}.ech .bigcomp{border:1.5px solid #e2dbf6;border-radius:22px;padding:16px 14px 12px 18px}.ech .bigcomp .ph{font-size:17px;color:var(--ink);font-weight:500}.ech .bigcomp .caret{height:19px}.ech .bigcomp .row{display:flex;align-items:center;gap:10px;margin-top:22px}.ech .icon-b{width:38px;height:38px;border-radius:12px;background:#f3f0fa;display:grid;place-items:center}.ech .bigcomp .mbtn{margin-left:auto;font-size:15px;padding:9px 14px;gap:8px;background:var(--lav);box-shadow:inset 0 0 0 2px var(--brand)}.ech .bigcomp .send{width:42px;height:42px;border-radius:13px;margin-left:0}.ech .ws-sec{max-width:1440px;margin:0 auto;padding:40px var(--gx) 120px;text-align:center}.ech .ws-sec .l{margin:18px auto 0;max-width:600px}.ech .book-stage{margin-top:-6px}.ech .book{position:absolute;left:56px;top:70px;width:1240px;height:780px;background:var(--paper);border-radius:40px;box-shadow:0 2px 0 rgba(42,36,68,.05),0 40px 80px -30px rgba(70,55,120,.35);text-align:left}.ech .book:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:60px;margin-left:-30px;background:linear-gradient(90deg,transparent,rgba(120,100,160,.1) 45%,rgba(120,100,160,.16) 50%,rgba(120,100,160,.1) 55%,transparent)}.ech .key{background:#fff;border-radius:6px;display:flex;flex-direction:column;justify-content:flex-end;text-align:left}.ech .key-t{font-weight:800;color:var(--brand-deep)}.ech .book .key{position:absolute;left:90px;top:120px;width:470px;height:600px;box-shadow:0 10px 24px rgba(48,40,90,.12);transform:rotate(3deg);padding:0 30px 22px}.ech .book .key-t{font-size:18px}.ech .book .key ol{margin-top:6px;font-size:13px;color:var(--ink-2);display:flex;gap:16px;font-weight:600}.ech .book .sheet{position:absolute;left:48px;top:44px;width:500px;transform:rotate(-2deg);padding:26px 28px}.ech .book .duo .pl,.ech .book .opt .pl{--s:60px}.ech .book .opt{width:98px}.ech .ws{position:absolute;left:700px;top:56px;width:440px;height:650px;background:#fff;border-radius:6px;box-shadow:0 14px 30px rgba(48,40,90,.16);padding:26px;transform:rotate(1.6deg)}.ech .ws .top{display:flex;justify-content:space-between;align-items:center}.ech .pill{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:#e3f0f6;color:#1f5f7a}.ech .pill.pill-y{background:#fdf1d6;color:#7a5a12}.ech .ws-t{font-size:31px;font-weight:800;letter-spacing:-.02em;margin-top:10px;color:#173f52}.ech .ws .nl i{width:120px}.ech .ws .nl i.short{width:80px}.ech .art{position:relative;margin-top:14px;height:266px;border-radius:12px;overflow:hidden;border:2px solid #d8e9f0}.ech .art img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}.ech .pin{position:absolute;width:24px;height:24px;border-radius:50%;background:#173f52;color:#fff;font-weight:700;font-size:13px;display:grid;place-items:center;box-shadow:0 0 0 3px #fff}.ech .pin.p1{left:30%;top:52%}.ech .pin.p2{left:62%;top:6%}.ech .pin.p3{left:86%;top:34%}.ech .pin.p4{left:20%;top:78%}.ech .bank{margin-top:14px;border:1.5px dashed #9cc7d8;border-radius:12px;padding:10px 12px}.ech .bank b{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#1f5f7a}.ech .bank div{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}.ech .bank span{font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;background:#eef6f9;color:#173f52}.ech .wq{margin-top:12px;font-size:13px;font-weight:600;line-height:1.4}.ech .wq .ln{display:flex;gap:14px;margin-top:9px;font-weight:500;color:#5b6a73;font-size:12px}.ech .wq .ln i{flex:1;border-bottom:1px solid #b8c6cc;transform:translateY(-3px)}.ech .polaroid{position:absolute;z-index:4;background:#fff}.ech .polaroid img{object-fit:cover;object-position:50% 38%}.ech .tape{position:absolute;background:rgba(232,184,74,.75);transform:rotate(-4deg)}.ech .book .polaroid{right:-56px;top:-70px;width:232px;padding:12px 12px 46px;border-radius:4px;box-shadow:0 22px 40px rgba(48,40,90,.28);transform:rotate(6deg)}.ech .book .polaroid img{width:208px;height:236px}.ech .book .tape{left:78px;top:-14px;width:84px;height:28px}.ech .ws-m{display:none;text-align:left}.ech .ws-m .key{position:absolute;left:14px;top:60px;width:336px;height:450px;box-shadow:0 10px 22px rgba(48,40,90,.12);transform:rotate(3deg);padding:0 20px 14px}.ech .ws-m .key-t{font-size:15px}.ech .ws-m .key p{font-size:12px;font-weight:600;color:var(--ink-2);margin-top:3px}.ech .ws-m .sw{position:absolute;left:0;top:0;width:350px;height:520px}.ech .ws-m .sheet{width:500px;padding:28px 30px 30px;box-shadow:0 10px 26px rgba(48,40,90,.16);transform:scale(.7) rotate(-1.5deg);transform-origin:0 0}.ech .ws-m .kicker,.ech .ws-m .nl{font-size:13px}.ech .ws-m .duo .pl{--s:60px}.ech .ws-m .duo .pl+.pl{margin-left:-12px}.ech .ws-m .q{margin-top:18px}.ech .ws-m .qt{font-size:18px;gap:10px}.ech .ws-m .n{width:26px;height:26px;font-size:14px}.ech .ws-m .opts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-left:36px;margin-top:12px}.ech .ws-m .opt{width:auto;font-size:15px;padding:6px 4px 8px}.ech .ws-m .opt .pl{--s:64px}.ech .ws-m .tf{font-size:16px;padding-left:36px}.ech .ws-m .polaroid{left:206px;top:372px;width:148px;padding:8px 8px 30px;border-radius:3px;box-shadow:0 16px 30px rgba(48,40,90,.3);transform:rotate(6deg)}.ech .ws-m .polaroid img{width:132px;height:148px}.ech .ws-m .tape{left:46px;top:-10px;width:56px;height:20px}.ech .slides-sec{position:relative;overflow:hidden;width:calc(100% - 2 * var(--gx));max-width:1344px;margin:0 auto;padding:110px 0 clamp(48px,9.25vw,133px);background:var(--sky);border-radius:48px}.ech .split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding:0 var(--px)}.ech .slides-sec .split-head{padding:0 64px}.ech .split-head .l{max-width:420px;padding-bottom:8px}.ech .hills-bg{position:absolute;left:0;bottom:0;width:100%;aspect-ratio:1344/300;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 80px);mask-image:linear-gradient(180deg,transparent 0,#000 80px)}.ech .hills-bg img{position:absolute;left:-4.315%;top:-83.33%;width:115.85%;height:220%}.ech .fan{position:relative;margin-top:60px}.ech .sl{position:absolute;border-radius:16px;overflow:hidden;box-shadow:0 26px 50px -10px rgba(40,30,80,.4);background:#fff}.ech .sl img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}.ech .sl .no{position:absolute;right:18px;bottom:14px;font-size:12px;font-weight:600}.ech .sl-h{font-weight:800}.ech .sl-food{left:78px;transform:rotate(-5deg)}.ech .sl-food,.ech .sl-water{top:70px;width:500px;height:281px}.ech .sl-water{left:766px;transform:rotate(5deg)}.ech .sl-jup{z-index:2;left:322px;top:0;width:700px;height:394px;background:#05070d}.ech .sl-jup .c{position:absolute;left:40px;top:44px;width:250px;color:#fff}.ech .sl-jup small{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#e9c58a}.ech .sl-jup .sl-h{font-size:62px;letter-spacing:-.02em;line-height:1;margin-top:8px}.ech .sl-jup ul{margin-top:20px;display:flex;flex-direction:column;gap:12px;font-size:15px;line-height:1.35;color:#e8e6f0}.ech .sl-jup li{display:flex;gap:10px}.ech .sl-jup li:before{content:"";width:8px;height:8px;border-radius:50%;background:#e9a35d;flex:none;margin-top:6px}.ech .sl-jup .no{color:rgba(255,255,255,.6)}.ech .sl-food .c{position:absolute;left:0;right:0;top:34px;text-align:center}.ech .sl-food .sl-h{font-size:30px;color:#2f4a24}.ech .sl-food p{font-size:12px;color:#5a6b52;margin-top:4px;font-weight:500}.ech .sl-food svg{position:absolute;left:0;top:0;width:100%;height:100%}.ech .sl-food .no{color:#9aa592}.ech .sl-water img{left:42%;width:58%}.ech .sl-water .c{position:absolute;left:0;top:0;bottom:0;width:42%;padding:30px 22px;background:#fff}.ech .sl-water .sl-h{font-size:28px;color:#173f52;line-height:1.05}.ech .sl-water ol{margin-top:14px;font-size:13px;font-weight:600;color:#2c5566;display:flex;flex-direction:column;gap:7px}.ech .sl-water ol span{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#173f52;color:#fff;font-size:11px;margin-right:8px}.ech .sl-water .no{color:#8aa5b0}.ech .deckbar{position:absolute;z-index:3;left:50%;top:430px;transform:translateX(-50%);display:flex;align-items:center;gap:6px;background:#fff;border-radius:999px;padding:8px;box-shadow:0 14px 30px -8px rgba(40,30,80,.35)}.ech .deckbar span{font-size:14px;font-weight:700;padding:8px 14px;border-radius:999px;color:var(--ink-2)}.ech .deckbar .pv{background:var(--ink);color:#fff}.ech .edit{max-width:1440px;margin:0 auto;padding:140px var(--px) 120px;display:flex;align-items:center;gap:90px}.ech .estage{flex:0 1 700px;min-width:0}.ech .edit .txt{flex:1 0 360px;min-width:0}.ech .edit .l{margin-top:20px}.ech .epaper{position:absolute;left:0;top:30px;width:640px;background:#fff;border-radius:10px;box-shadow:0 30px 60px -24px rgba(70,55,120,.4);padding:30px 36px 36px}.ech .epaper .q{margin-top:22px}.ech .epaper .qt{font-size:17px}.ech .epaper .n{width:26px;height:26px;font-size:13px}.ech .epaper .tx{font-size:15px;padding-left:35px;gap:10px 30px;margin-top:12px}.ech .epaper .q.faded{opacity:.42}.ech .epaper .q.sel{margin:22px -14px 0;padding:16px 14px;border-radius:14px;outline:2.5px solid var(--brand);background:#faf8ff}.ech .tag{position:absolute;right:14px;top:-13px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}.ech .pop{position:absolute;z-index:3;left:250px;top:330px;width:440px;background:#fff;border-radius:20px;box-shadow:0 2px 0 rgba(42,36,68,.06),0 26px 50px -10px rgba(48,40,90,.38);padding:14px;border:1px solid #efeaf8}.ech .pop .in{display:flex;align-items:center;gap:10px;border:1.5px solid #e2dbf6;border-radius:14px;padding:12px 8px 12px 14px;font-size:15px;font-weight:500}.ech .pop .caret{margin-left:1px}.ech .pop .send{width:36px;height:36px}.ech .ver{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-weight:600;padding:10px 4px 0}.ech .ver b{color:var(--brand-deep)}.ech .grade{position:relative;overflow:hidden;width:calc(100% - 2 * var(--gx));max-width:1344px;height:780px;margin:0 auto;padding:100px 64px 0;background:var(--sage-soft);border-radius:48px}.ech .grade .txt{position:relative;z-index:2;width:440px}.ech .grade .l{margin-top:20px;color:#3d4a39}.ech .gstage{position:absolute;right:0;top:0;width:calc(100% - 480px)}.ech .gstage .stage-box{margin-left:auto}.ech .essay{background-color:#fff;border-radius:8px;background-image:repeating-linear-gradient(180deg,transparent 0,transparent 33px,#e6eef4 0,#e6eef4 34px);background-position:0 108px}.ech .eh{font-size:13px;color:var(--muted);font-weight:600;display:flex;justify-content:space-between}.ech .es-t{font-family:var(--ff-h);font-size:30px;font-weight:400;margin-top:10px;color:#24304a}.ech .essay p{font-family:var(--ff-h);font-size:21px;line-height:34px;color:#2a3550;margin-top:18px}.ech .gstage .essay{position:absolute;left:56px;top:84px;width:540px;height:760px;padding:40px 44px;box-shadow:0 30px 60px -24px rgba(50,70,45,.45);transform:rotate(-1.5deg)}.ech .hl-c,.ech .hl-e,.ech .hl-x{border-radius:4px;padding:0 3px}.ech .hl-c{background:#e3dcfd}.ech .hl-e{background:#fbe7ae}.ech .hl-x{background:#f9d4cc}.ech .mtag{position:absolute;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;box-shadow:0 6px 14px rgba(40,30,80,.12);transform:rotate(-1.5deg)}.ech .mtag.mt-c{left:16px;top:226px;background:#e3dcfd;color:#4a35a8}.ech .mtag.mt-e{left:0;top:364px;background:#fbe7ae;color:#6b4f0c}.ech .rubric{position:absolute;z-index:3;background:#fff}.ech .gstage .rubric{left:374px;top:230px;width:430px;border-radius:28px;box-shadow:0 3px 0 rgba(42,36,68,.06),0 34px 70px -20px rgba(50,70,45,.5);padding:26px 26px 22px}.ech .rh{display:flex;justify-content:space-between;align-items:baseline}.ech .rb-t{font-size:20px;font-weight:800}.ech .tot{font-size:26px;font-weight:800;color:var(--sage-deep)}.ech .tot small{font-size:15px;color:var(--muted)}.ech .crit{justify-content:space-between;padding:12px 0;border-bottom:1px solid #eef1ea;font-size:15.5px;font-weight:600}.ech .crit,.ech .pips{display:flex;align-items:center}.ech .pips{gap:5px}.ech .pips i{display:block;width:26px;height:10px;border-radius:9px;background:#e4e9de}.ech .pips i.f{background:var(--sage-deep)}.ech .pips b{font-size:15px;margin-left:8px;width:30px;text-align:right}.ech .fb{margin-top:16px;border:2px solid var(--brand);border-radius:16px;padding:12px 14px;background:#faf8ff}.ech .fl{display:flex;justify-content:space-between;font-size:12px;font-weight:700;color:var(--brand-deep)}.ech .fb p{font-size:14.5px;line-height:1.45;margin-top:6px}.ech .fb .caret{height:17px;margin-left:0}.ech .acts{display:flex;gap:8px;margin-top:14px}.ech .acts span{font-size:14px;font-weight:700;padding:10px 16px;border-radius:999px;background:#f1f3ee}.ech .acts span.ok{background:var(--ink);color:#fff;margin-left:auto}.ech .gm{display:none}.ech .seat{max-width:1440px;margin:0 auto;padding:140px var(--gx) 120px;text-align:center}.ech .seat .l{margin:18px auto 0;max-width:560px}.ech .room2{position:relative;max-width:1120px;margin:60px auto 0;background:#fff;border-radius:36px;box-shadow:0 3px 0 rgba(42,36,68,.05),0 40px 80px -30px rgba(70,55,120,.38);text-align:left;overflow:hidden}.ech .rbar{height:64px;display:flex;align-items:center;gap:14px;padding:0 22px 0 28px;border-bottom:1px solid #f0ecf6}.ech .rbar b{font-family:var(--ff-d);font-size:18px;white-space:nowrap}.ech .rbar small{font-size:14px;color:var(--muted);font-weight:500;white-space:nowrap}.ech .rbar .r{margin-left:auto;display:flex;gap:8px}.ech .rbar .r span{font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;background:#f3f0fa}.ech .rbar .r span.d{background:var(--ink);color:#fff}.ech .seat-shot{position:relative}.ech .seat-shot img{width:100%;height:auto}.ech .grab{position:absolute;z-index:4;left:57%;top:58%}.ech .drag{width:118px;height:48px;border-radius:15px;background:#fff;box-shadow:0 0 0 2.5px var(--brand),0 24px 40px -6px rgba(48,40,90,.45);display:flex;align-items:center;gap:9px;padding:0 12px;font-size:16px;font-weight:700;transform:rotate(-5deg)}.ech .drag i{display:block;width:24px;height:24px;border-radius:50%;background:#c9bdf7}.ech .cursor{position:absolute;z-index:5;left:90px;top:30px}.ech .cls{max-width:1440px;margin:0 auto;padding:10px 0 120px}.ech .room-stage{padding:0 var(--gx);margin-top:56px}.ech .room{position:absolute;inset:0;border-radius:44px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(70,55,120,.4)}.ech .room .classroom{position:absolute;left:-740px;top:-142px;width:2400px;height:1339.5px}.ech .screen-bg{position:absolute;left:562px;top:150.5px;width:597px;height:330px;background:#fbf9f3;clip-path:polygon(.4% 6.8%,99.6% .4%,99.6% 99%,.4% 95.5%)}.ech .screen{position:absolute;left:0;top:0;transform-origin:0 0;transform:matrix3d(.29755849,-.022727244,0,-.00006275355,0,.32523333,0,0,0,0,1,0,564.388,172.94,0,1)}.ech .screen,.ech .screen img{width:1600px;height:900px}.ech .room .tcut{position:absolute;z-index:2;left:880px;top:218px;width:300px;height:277.5px}.ech .qcard{position:relative;overflow:hidden;width:calc(100% - 2 * var(--gx));max-width:1344px;margin:0 auto;background:var(--sky-hill);border-radius:44px}.ech .quote{position:relative;z-index:2;text-align:center;padding:96px 24px 0}.ech .quote blockquote{font-family:var(--ff-d);font-size:52px;line-height:1.08;font-weight:700;letter-spacing:-.02em}.ech .quote figcaption{margin-top:20px;font-size:17px;font-weight:600;color:var(--ink-2)}.ech .strip{position:relative;width:100%;aspect-ratio:1344/430;margin-top:36px;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 70px);mask-image:linear-gradient(180deg,transparent 0,#000 70px)}.ech .strip img{position:absolute;left:-4.092%;top:-30.7%;width:108.11%;height:143.26%}.ech .close{position:relative;overflow:hidden;width:calc(100% - 2 * var(--gx));max-width:1344px;height:660px;margin:48px auto;background:var(--sky);border-radius:48px}.ech .close-img{position:absolute;left:50%;bottom:-40px;width:1600px;height:678px;transform:translateX(-50%);-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 90px);mask-image:linear-gradient(180deg,transparent 0,#000 90px)}.ech .close-in{position:relative;z-index:2;text-align:center;padding:110px 24px 0}.ech .close .h{font-size:64px}.ech .close .btn{margin-top:30px}.ech .foot{background:var(--sage-soft)}.ech .foot-in{max-width:1440px;margin:0 auto;padding:24px var(--hx);display:flex;align-items:center;gap:40px;font-size:14px;font-weight:600;color:var(--sage-deep)}.ech .foot-in img{height:24px;width:auto}.ech .foot-nav{display:flex;flex-wrap:wrap;gap:0 26px;margin-left:auto}.ech .foot-nav a{display:inline-flex;align-items:center;min-height:44px}.ech .foot-nav a:hover{color:var(--ink)}@media (max-width:1279px){.ech{--px:64px}.ech .edit,.ech .models{gap:56px}.ech .models .txt{width:400px}}@media (max-width:1199px){.ech .h{font-size:50px}.ech .hero h1{font-size:68px}.ech .grade .txt,.ech .models .txt{width:380px}.ech .grade{display:grid;grid-template-columns:380px minmax(0,1fr);column-gap:40px;align-items:start;height:auto}.ech .gstage{position:relative;right:auto;width:auto;margin-top:-100px}.ech .close .h{font-size:56px}}@media (max-width:1023px){.ech{--gx:24px;--px:40px;--hx:40px}.ech .h{font-size:44px}.ech .l{font-size:18px}.ech .hero h1{font-size:clamp(52px,7.4vw,68px)}.ech .hero .sub{font-size:19px}.ech .models{flex-direction:column;align-items:stretch;gap:40px;padding:160px var(--px) 80px}.ech .models .txt{width:auto;max-width:600px}.ech .mstage{flex:none;width:100%;max-width:720px;height:500px;margin:0 auto}.ech .ws-sec{padding-bottom:80px}.ech .slides-sec{padding-top:72px;border-radius:36px}.ech .slides-sec .split-head,.ech .split-head{flex-direction:column;align-items:flex-start;gap:12px;padding:0 var(--px)}.ech .split-head .l{padding-bottom:0}.ech .fan{margin-top:40px}.ech .edit{flex-direction:column;align-items:stretch;gap:40px;padding:100px var(--px) 80px}.ech .edit .txt{flex:none;order:-1;max-width:600px}.ech .estage{flex:none}.ech .estage .stage-box{margin-inline:auto}.ech .grade{display:block;height:auto;padding:64px 40px 0;border-radius:36px}.ech .grade .txt{width:auto;max-width:600px}.ech .gstage{position:relative;right:auto;width:100%;margin-top:24px}.ech .gstage .stage-box{margin-inline:auto}.ech .seat{padding:100px var(--gx) 80px}.ech .room2{border-radius:28px}.ech .cls{padding-bottom:80px}.ech .room-stage{margin-top:40px}.ech .qcard{border-radius:36px}.ech .quote{padding-top:72px}.ech .quote blockquote{font-size:clamp(32px,4.4vw,44px)}.ech .close{height:560px;border-radius:36px}.ech .close-img{left:calc(50% - 986px);transform:none}.ech .close-in{padding-top:88px}.ech .close .h{font-size:48px}}@media (max-width:767px){.ech{--gx:12px;--px:20px;--hx:20px}.ech .h{font-size:36px}.ech .l{margin-top:12px;font-size:17px}.ech .br-d{display:none}.ech .dot{width:10px;height:10px}.ech .cls,.ech .edit,.ech .qcard,.ech .slides-sec{display:none}.ech .nav{height:68px;gap:8px;padding:0 12px 0 20px}.ech .nav-logo img{height:25px}.ech .nav nav{display:none}.ech .nav-r{gap:4px;font-size:15px}.ech .nav-r a{padding:0 14px}.ech .nav-r .solid{padding:0 16px}.ech .hero-in{padding-top:68px}.ech .hero-copy{padding:22px 20px 0}.ech .hero h1{font-size:clamp(38px,12vw,47px);line-height:.98}.ech .hero .sub{margin-top:16px;font-size:18px}.ech .hero-cta{flex-direction:column;flex-wrap:nowrap;gap:0;margin-top:24px}.ech .hero-cta .btn{display:flex;width:100%}.ech .hero-cta .btn-primary{height:56px;box-shadow:0 4px 0 var(--brand-shadow),0 10px 22px rgba(91,63,208,.25)}.ech .hero-cta .btn-soft{height:48px;margin-top:8px;background:transparent;box-shadow:none;font-family:var(--ff-b);font-size:16px}.ech .land{height:390px;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 50px);mask-image:linear-gradient(180deg,transparent 0,#000 50px)}.ech .land img{object-position:76.6% 100%}.ech .hero-win{display:none}.ech .hcard{display:block;position:relative;z-index:4;width:calc(100% - 32px);max-width:440px;margin:236px auto -85px;background:#fff;border-radius:22px;box-shadow:0 26px 50px -12px rgba(48,40,90,.38);padding:20px 18px 18px;border:1px solid rgba(42,36,68,.06)}.ech .hcard .kicker{font-size:10.5px}.ech .hc-h{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:2px dashed #e4ddf3}.ech .hc-t{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.05;margin-top:3px}.ech .hcard .duo{margin-top:0}.ech .hcard .duo .pl{--s:52px}.ech .hcard .duo .pl+.pl{margin-left:-12px}.ech .hcard .qt{gap:8px;margin-top:14px}.ech .hcard .n{width:21px;height:21px;font-size:11.5px}.ech .hcard .opts{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;padding-left:0}.ech .hcard .opt{width:auto;min-width:0;padding:5px 2px 6px;font-size:11.5px;white-space:nowrap}.ech .hcard .opt .pl{--s:50px}.ech .models{display:block;padding:160px var(--px) 0}.ech .models .txt{width:auto}.ech .models .l{margin-top:12px}.ech .mstage{height:480px;max-width:none;margin-top:28px}.ech .menu{right:6px;bottom:168px;width:250px;border-radius:20px;padding:8px;box-shadow:0 2px 0 rgba(42,36,68,.06),0 24px 44px -10px rgba(48,40,90,.35)}.ech .lbl{padding:6px 10px 4px}.ech .mi{gap:10px;padding:8px 10px;border-radius:12px;font-size:15.5px}.ech .mi small{font-size:13px}.ech .mi .dot{width:10px;height:10px}.ech .mcard{border-radius:24px;padding:14px;box-shadow:0 30px 60px -24px rgba(70,55,120,.4)}.ech .bigcomp{border-radius:18px;padding:14px 10px 10px 14px}.ech .bigcomp .ph{font-size:16px;line-height:1.35}.ech .bigcomp .caret{height:18px}.ech .bigcomp .row{gap:8px;margin-top:16px}.ech .bigcomp .mbtn{gap:7px;padding:8px 13px}.ech .bigcomp .send{width:40px;height:40px;border-radius:12px}.ech .ws-sec{padding:90px var(--px) 0;text-align:left}.ech .ws-sec .l{margin:12px 0 0;max-width:none}.ech .book-stage{display:none}.ech .ws-m{display:block;margin-top:30px}.ech .grade{width:auto;margin:70px 12px 0;padding:36px 20px 20px;border-radius:32px}.ech .grade .l{margin-top:12px}.ech .gstage{display:none}.ech .gm{display:block;position:relative;max-width:420px;height:640px;margin:28px auto 0}.ech .gm .essay{position:absolute;left:-4px;top:0;width:calc(100% - 6px);height:330px;padding:22px;overflow:hidden;box-shadow:0 20px 40px -20px rgba(50,70,45,.45);transform:rotate(-1.5deg);background-image:repeating-linear-gradient(180deg,transparent 0,transparent 27px,#e6eef4 0,#e6eef4 28px);background-position:0 72px}.ech .gm .eh{font-size:11px}.ech .gm .es-t{font-size:23px;margin-top:6px}.ech .gm .essay p{font-size:17px;line-height:28px;margin-top:10px}.ech .gm .hl-c,.ech .gm .hl-e,.ech .gm .hl-x{padding:0 2px}.ech .gm .rubric{left:4px;right:-4px;top:250px;border-radius:24px;box-shadow:0 30px 60px -20px rgba(50,70,45,.5);padding:20px 18px 18px}.ech .gm .rb-t{font-size:18px}.ech .gm .tot{font-size:24px}.ech .gm .tot small{font-size:14px}.ech .gm .crit{padding:10px 0;font-size:15px}.ech .gm .pips{gap:4px}.ech .gm .pips i{width:20px;height:9px}.ech .gm .pips b{font-size:14px;margin-left:6px;width:28px}.ech .gm .fb{margin-top:14px;border-radius:14px;padding:10px 12px}.ech .gm .fb p{font-size:14px;margin-top:5px}.ech .gm .fb .caret{height:16px}.ech .gm .acts{margin-top:12px}.ech .gm .acts span{padding:11px 16px}.ech .seat{padding:80px var(--px) 0;text-align:left}.ech .seat .l{margin:12px 0 0;max-width:none}.ech .room2{margin-top:28px;border-radius:26px;box-shadow:0 30px 60px -26px rgba(70,55,120,.4)}.ech .rbar{height:60px;gap:8px;padding:0 10px 0 16px}.ech .rbar b{font-size:16px}.ech .rb-x,.ech .rbar .r .shuffle,.ech .rbar small{display:none}.ech .rbar .r{gap:6px}.ech .rbar .r span{display:flex;align-items:center;height:44px;padding:0 14px;font-size:13.5px}.ech .drag{width:66px;height:30px;border-radius:10px;gap:5px;padding:0 7px;font-size:12px;transform:rotate(-6deg);box-shadow:0 0 0 2.5px var(--brand),0 20px 34px -6px rgba(48,40,90,.45)}.ech .drag i{width:12px;height:12px}.ech .cursor{left:64px;top:24px;width:26px;height:32px}.ech .close{width:auto;height:510px;margin:70px 12px 12px;border-radius:32px}.ech .close-img{left:calc(50% - 653px);bottom:-30px;width:1060px;height:449px;transform:none;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 60px);mask-image:linear-gradient(180deg,transparent 0,#000 60px)}.ech .close-in{max-width:440px;margin:0 auto;padding:52px 24px 0}.ech .close .h{font-size:40px}.ech .close .btn{display:flex;width:100%;height:56px;margin-top:24px}.ech .foot-in{display:block;padding:24px 20px 28px}.ech .foot-in img{height:20px}.ech .foot-nav{gap:0 18px;margin:4px 0 0}}@media (max-width:360px){.ech .nav{padding:0 8px 0 16px}.ech .nav-logo img{height:21px}.ech .nav-r a{padding:0 10px}.ech .nav-r .solid{padding:0 12px}.ech .hcard{width:calc(100% - 24px);padding:18px 14px 16px}.ech .hcard .opts{gap:5px}.ech .hcard .opt{font-size:10px}.ech .hcard .opt .pl{--s:42px}.ech .hcard .duo .pl{--s:44px}.ech .menu{width:232px}.ech .rbar .r span{padding:0 12px}.ech .gm .pips i{width:15px}.ech .gm .crit{gap:8px}}@media (min-width:1024px){.ech .hero{--land-h:min(600px,40vw)}.ech .land{height:var(--land-h)}.ech .land img{object-position:50% 100%}.ech .hero-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;column-gap:clamp(32px,4vw,64px);padding:112px var(--hx) calc(var(--land-h) * .72)}.ech .hero-copy{max-width:none;padding:0}.ech .hero h1{font-size:clamp(48px,4.7vw,70px)}.ech .hero .sub{max-width:30ch;font-size:clamp(17px,1.35vw,20px)}.ech .hero-win{padding:0;margin:0}}.ech .ws-more{margin-top:14px;font-size:17px;font-weight:700}.ech .ws-more a{display:inline-flex;align-items:center;min-height:44px;color:var(--brand-deep);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}.ech .ws-more a:hover{color:var(--ink)}.ech .nm{position:relative}.ech .nm-btn{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0;border:0;background:none;font:inherit;color:var(--ink);cursor:pointer}.ech .nm-btn svg{margin-top:1px;opacity:.7}.ech .nm-btn.is-here,.ech .nm-btn:hover,.ech .nm-btn[aria-expanded=true]{color:var(--brand-deep)}.ech .nm-btn:focus-visible{outline:3px solid var(--brand);outline-offset:4px;border-radius:6px}.ech .nm-panel{position:absolute;z-index:10;top:calc(100% + 8px);left:-18px;width:340px;padding:8px;border-radius:20px;background:var(--paper);box-shadow:0 0 0 1px rgba(42,36,68,.08),0 24px 48px -18px rgba(42,36,68,.38);opacity:0;visibility:hidden;transform:translateY(-4px)}.ech .nm-panel:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}.ech .nm.is-open .nm-panel{opacity:1;visibility:visible;transform:none}.ech .nm-panel a{display:block;padding:11px 14px;border-radius:13px}.ech .nm-panel a:focus-visible,.ech .nm-panel a:hover{background:var(--lav);outline:none}.ech .nm-t{display:block;font-size:15px;font-weight:700;color:var(--ink)}.ech .nm-b{display:block;margin-top:2px;font-size:14px;line-height:1.4;font-weight:500;color:var(--ink-2)}.ech .nm-panel .nm-all,.ech .nm-panel a[aria-current=page] .nm-t{color:var(--brand-deep)}.ech .nm-panel .nm-all{margin-top:4px;padding:12px 14px 10px;border-top:1px solid rgba(42,36,68,.08);border-radius:0 0 13px 13px;font-size:14px;font-weight:700}@media (prefers-reduced-motion:no-preference){.ech .nm-panel{transition:opacity .14s ease,transform .14s ease,visibility .14s}.ech .nm-btn svg{transition:transform .14s ease}}.ech .nm-btn[aria-expanded=true] svg{transform:rotate(180deg)}.ech .mm{display:none}@media (max-width:767px){.ech .nav-r .nav-login{display:none}.ech .mm{display:block}.ech .mm-btn{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:999px;background:rgba(255,253,248,.6);color:var(--ink);cursor:pointer}.ech .mm-btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.ech .mm-sheet{position:absolute;z-index:10;top:64px;left:12px;right:12px;max-height:calc(100dvh - 80px);overflow-y:auto;padding:10px 10px 14px;border-radius:24px;background:var(--paper);box-shadow:0 0 0 1px rgba(42,36,68,.08),0 24px 48px -18px rgba(42,36,68,.4);display:none}.ech .mm-sheet.is-open{display:block}.ech .mm-group+.mm-group{margin-top:6px}.ech .mm-h{padding:10px 12px 2px;font-size:13px;font-weight:700;color:var(--ink-2)}.ech .nav-r .mm-sheet a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;background:none;font-size:17px;font-weight:600;color:var(--ink)}.ech .nav-r .mm-sheet a:hover,.ech .nav-r .mm-sheet a[aria-current=page]{background:var(--lav)}.ech .nav-r .mm-sheet a[aria-current=page]{color:var(--brand-deep)}.ech .mm-foot{display:flex;flex-wrap:wrap;gap:4px;margin-top:10px;padding-top:10px;border-top:1px solid rgba(42,36,68,.08)}.ech .nav-r .mm-foot a{font-size:15px;color:var(--ink-2)}}