:root{--green:#58cc02;--green-dark:#46a302;--sky:#1cb0f6;--sky-dark:#1286c8;--ink:#25364d;--muted:#6f7d90;--line:#e3edf5;--shadow:0 9px 0 #e3ebf2,0 22px 46px rgba(37,54,77,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at 50% -10%,#dcf8ff 0 360px,transparent 361px),linear-gradient(180deg,#f8fdff,#eef8f1)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:0}.app-shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:2px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:50px;height:50px;border-radius:18px;background:#ecffd9;border:2px solid #c8f3ad;border-bottom:7px solid #c8f3ad;display:grid;place-items:center}.brand-mark svg{width:34px}.brand strong{display:block;font-size:22px;color:#58a700;letter-spacing:-.04em}.brand small{display:block;margin-top:3px;color:var(--muted);font-size:12px;font-weight:800}.side-nav{display:grid;gap:10px}.side-item{height:52px;display:flex;align-items:center;gap:12px;padding:0 14px;border-radius:17px;border:2px solid transparent;color:#657286;font-weight:950}.side-item span{width:14px;height:14px;border-radius:50%;background:#cbd8e4;box-shadow:inset 0 -3px 0 rgba(0,0,0,.08)}.side-item.active,.side-item:hover{background:#eaf7ff;border-color:#bee8ff;color:#1286c8}.side-item.active span{background:var(--sky)}.mini-entry{margin-top:auto;padding:16px;border-radius:22px;background:#fbfff7;border:2px solid #ddf7ce;border-bottom:7px solid #ddf7ce}.mini-entry b{color:#58a700}.mini-entry p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.55;font-weight:750}.mobile-header{display:none}.main-area{padding:22px clamp(18px,3vw,38px) 48px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.status-bar{grid-column:1/-1;position:sticky;top:0;z-index:30;display:flex;justify-content:center;gap:12px;padding-bottom:18px;background:rgba(246,251,255,.9);backdrop-filter:blur(14px)}.status-chip{height:48px;min-width:118px;display:grid;grid-template-columns:auto 1fr;grid-template-areas:"icon value" "icon label";align-items:center;column-gap:9px;background:#fff;border:2px solid var(--line);border-bottom:6px solid #dbe6ee;border-radius:17px;padding:0 13px;font-weight:950}.status-chip span{grid-area:icon;width:28px;height:28px;border-radius:10px;display:grid;place-items:center;color:#fff;background:var(--green);font-size:13px}.status-chip b{grid-area:value;font-size:16px;line-height:1}.status-chip small{grid-area:label;color:var(--muted);font-size:11px}.heart span{background:#ff4b6e}.xp span{background:#ff9600}.coin span{background:#ffc800;color:#5f4100}.streak span{background:#ff6b00}.game-board{display:grid;grid-template-columns:minmax(110px,150px) minmax(390px,1fr) minmax(110px,150px);gap:16px;align-items:start;justify-content:center}.path-card{position:relative;background:#fff;border:2px solid var(--line);border-radius:32px;padding:28px clamp(18px,3vw,32px) 32px;box-shadow:var(--shadow);overflow:hidden}.path-card:before{content:"";position:absolute;inset:0 0 auto;height:12px;background:linear-gradient(90deg,var(--green),#8ee63f,var(--sky))}.eyebrow{margin:8px 0 10px;color:#58a700;font-size:13px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.path-card h1{margin:0;font-size:clamp(40px,5vw,60px);letter-spacing:-.07em;line-height:.95}.intro{max-width:520px;margin:14px auto 10px;color:#627187;font-size:16px;line-height:1.65;font-weight:760;text-align:center}.path-line{position:relative;min-height:510px;margin-top:8px;display:flex;flex-direction:column;align-items:center;gap:16px}.path-line:before{content:"";position:absolute;top:42px;bottom:72px;left:50%;width:12px;transform:translateX(-50%);border-radius:99px;background:linear-gradient(#b8f7a1 0 62%,#dbe6ef 62%)}.path-node{position:relative;z-index:2;width:230px;text-align:center}.path-node.left{right:82px}.path-node.right{left:82px}.path-node button{width:80px;height:74px;border-radius:50%;background:var(--green);color:#fff;border-bottom:8px solid var(--green-dark);box-shadow:0 7px 0 rgba(35,80,0,.07);font-size:31px;font-weight:950;transition:.14s transform,.14s filter}.path-node button:hover{filter:saturate(1.1);transform:translateY(-3px)}.path-node button:active{transform:translateY(5px);border-bottom-width:3px}.path-node.current button{width:94px;height:86px;background:var(--sky);border-bottom-color:var(--sky-dark);outline:9px solid #dff4ff;animation:pulse 1.8s ease-in-out infinite}.path-node.next button{background:#cfd9e4;border-bottom-color:#a7b4c1}.path-node strong{display:block;margin-top:9px;font-size:18px}.path-node small{display:block;margin-top:3px;color:var(--muted);font-weight:800}.path-node.current strong{color:#1286c8}@keyframes pulse{50%{transform:scale(1.045)}}.companion{position:sticky;top:92px;display:grid;justify-items:center;gap:12px;padding-top:40px}.speech{position:relative;max-width:200px;background:#fff;border:2px solid var(--line);border-bottom:7px solid #dfe8ef;border-radius:20px;padding:13px 14px;color:#536176;font-size:14px;font-weight:850;line-height:1.45}.speech:after{content:"";position:absolute;bottom:-10px;left:42%;width:18px;height:18px;background:#fff;border-right:2px solid var(--line);border-bottom:2px solid var(--line);transform:rotate(45deg)}.pet-character{width:min(220px,100%);height:auto;filter:drop-shadow(0 18px 18px rgba(37,54,77,.13));animation:breathe 2.6s ease-in-out infinite;transform-origin:50% 85%}.xiaodou{animation-delay:.4s}.eyes{transform-origin:center;animation:blink 4.8s infinite}.tail{transform-origin:160px 150px;animation:tail 1.4s ease-in-out infinite}.wave{transform-origin:62px 136px;animation:wave 1.7s ease-in-out infinite}.left-paw{transform-origin:75px 170px;animation:paw 2.2s ease-in-out infinite}@keyframes breathe{50%{transform:translateY(-10px) scale(1.025)}}@keyframes blink{0%,92%,100%{transform:scaleY(1)}95%{transform:scaleY(.08)}}@keyframes tail{50%{transform:rotate(8deg)}}@keyframes wave{50%{transform:rotate(-16deg)}}@keyframes paw{50%{transform:rotate(7deg)}}.right-panel{position:sticky;top:84px;display:grid;grid-template-columns:1fr;gap:16px}.panel-card{background:#fff;border:2px solid var(--line);border-radius:25px;padding:19px;box-shadow:0 8px 0 #e4ecf3}.panel-title{display:flex;justify-content:space-between;gap:10px;align-items:center}.panel-title h2{margin:0;font-size:22px}.panel-title b{color:#58a700}.panel-card p{color:#667386;font-weight:780;line-height:1.55}.progress{height:13px;background:#edf3f7;border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),#8ee63f);border-radius:99px}.rank-list{margin:14px 0 0;padding:0;display:grid;gap:9px}.rank-list li{list-style:none;display:flex;justify-content:space-between;padding:10px 12px;border-radius:15px;background:#f8fbff;border:2px solid #edf3f7;font-weight:900}.shop-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.shop-grid button{min-height:54px;border-radius:16px;background:#fff7df;border:2px solid #ffe0a3;border-bottom:6px solid #ffd077;color:#755300;font-weight:950}.soft-links{display:flex;gap:9px;flex-wrap:wrap;align-content:start}.soft-links a{padding:9px 12px;border-radius:999px;background:#fff;border:2px solid #e3edf5;color:#758196;font-weight:900;font-size:13px}#toast{position:fixed;left:50%;bottom:26px;z-index:60;transform:translate(-50%,22px);opacity:0;pointer-events:none;background:#243244;color:#fff;border-radius:18px;padding:14px 18px;font-weight:950;box-shadow:0 18px 40px rgba(20,30,50,.25);transition:.18s}#toast.show{opacity:1;transform:translate(-50%,0)}.xp-particle{position:fixed;z-index:80;left:0;top:0;color:#58a700;background:#fff;border:2px solid #d9efd0;border-bottom:5px solid #d9efd0;border-radius:999px;padding:7px 10px;font-weight:950;pointer-events:none;animation:xpFloat .9s ease-out forwards}@keyframes xpFloat{to{transform:translateY(-58px) scale(1.08);opacity:0}}@media(max-width:1180px){.app-shell{grid-template-columns:minmax(0,1fr);width:100%;max-width:100%;overflow-x:clip}.sidebar{display:none}.mobile-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;width:100%;max-width:100%;background:var(--green);color:#fff;border-bottom:5px solid var(--green-dark);padding:12px 16px}.mobile-header a{font-weight:950}.mobile-header nav{display:flex;gap:8px;min-width:0;max-width:100%;overflow-x:auto}.mobile-header nav a{flex:0 0 auto;padding:8px 10px;border-radius:12px;background:rgba(255,255,255,.18)}.main-area{display:block;min-width:0;width:100%;max-width:100%;overflow-x:clip}.game-board{grid-template-columns:minmax(0,1fr);max-width:780px;width:100%;margin:auto}.companion{position:relative;top:auto;padding-top:0;min-width:0}.left-companion{order:2}.right-companion{order:3}.path-card{order:1}.pet-character{width:180px}.right-panel{position:static;display:grid;grid-template-columns:1fr 1fr;max-width:780px;width:100%;margin:24px auto 0}.status-bar{overflow:auto;justify-content:flex-start}}@media(max-width:720px){.main-area{padding:16px 12px 42px}.status-chip{min-width:104px}.path-card{border-radius:25px;padding:24px 16px 28px}.intro{text-align:left}.path-node.left{right:28px}.path-node.right{left:28px}.path-node{width:178px}.path-line{min-height:500px}.path-node button{width:76px;height:70px;font-size:28px}.path-node.current button{width:88px;height:82px}.right-panel{grid-template-columns:1fr}.speech{max-width:260px}.mobile-header{align-items:flex-start;flex-direction:column}.mobile-header nav{width:100%}}

/* v3.3-v3.6 product prototype additions */
.feature-grid{grid-column:1/-1;max-width:1100px;width:100%;margin:26px auto 0;display:grid;grid-template-columns:1.25fr .75fr;gap:16px}.feature-card,.roles,.weekly-report{background:#fff;border:2px solid var(--line);border-radius:25px;padding:19px;box-shadow:0 8px 0 #e4ecf3}.feature-card h2,.roles h2,.weekly-report h2{margin:0;font-size:clamp(32px,4.2vw,54px);letter-spacing:-.06em;line-height:1}.feature-card p,.roles p,.weekly-report p{color:#667386;font-weight:780;line-height:1.6}.code-form{display:grid;grid-template-columns:1fr auto;gap:12px;margin:18px 0}.code-form label{display:grid;gap:8px;font-weight:950}.code-form label span{font-size:13px;color:#58a700}.code-form input{height:54px;border-radius:17px;border:2px solid #d9e7f1;border-bottom-width:6px;padding:0 16px;color:#25364d;font-weight:950;letter-spacing:.06em}.code-form button,.role-grid button,.report-card button{min-height:52px;border-radius:16px;background:#fff7df;border:2px solid #ffe0a3;border-bottom:6px solid #ffd077;color:#755300;font-weight:950;padding:0 16px}.check-list{display:grid;gap:8px;margin:14px 0 0;padding:0}.check-list li{list-style:none;padding-left:26px;position:relative;color:#59677a;font-weight:850}.check-list li:before{content:"✓";position:absolute;left:0;color:#58cc02;font-weight:950}.phone-frame{width:min(240px,100%);margin:18px auto 0;border-radius:30px;border:8px solid #26364b;background:#f8fdff;padding:18px;box-shadow:0 16px 26px rgba(37,54,77,.13)}.phone-frame b{display:block;font-size:22px;color:#58a700}.phone-frame span{display:block;margin:8px 0 14px;color:#6b7788;font-size:12px;font-weight:900}.phone-frame i{display:block;height:44px;border-radius:16px;background:#edf8ff;border:2px solid #d6efff;border-bottom:6px solid #d6efff;margin-top:9px}.roles,.weekly-report{grid-column:1/-1;max-width:1100px;width:100%;margin:26px auto 0}.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}.role-grid article{border-radius:22px;background:#f8fbff;border:2px solid #e6f0f7;padding:18px}.role-grid span{display:inline-grid;place-items:center;height:32px;padding:0 12px;border-radius:999px;background:#eaf7ff;color:#1286c8;font-weight:950}.role-grid h3{margin:14px 0 6px;font-size:24px}.role-grid button{width:100%;background:#e9ffe0;border-color:#c9f4b7;border-bottom-color:#b7e79f;color:#3d8500}.weekly-report{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;align-items:start}.report-card{border-radius:24px;background:linear-gradient(180deg,#fbfff7,#fff);border:2px solid #ddf7ce;padding:20px}.report-card b{display:block;color:#58a700;margin-top:10px}.report-card button{background:#eaf7ff;border-color:#bee8ff;border-bottom-color:#a8ddfa;color:#1286c8}.pet-character.jump{animation:petJump .55s cubic-bezier(.2,.9,.2,1)}@keyframes petJump{0%{transform:translateY(0) scale(1)}45%{transform:translateY(-34px) scale(1.06,.96)}100%{transform:translateY(0) scale(1)}}
@media(max-width:1180px){.feature-grid,.weekly-report{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.feature-grid,.role-grid,.weekly-report{grid-template-columns:minmax(0,1fr);max-width:100%;overflow-x:clip}.code-form{grid-template-columns:minmax(0,1fr)}.right-companion{display:none}.left-companion{order:0}.path-node.left,.path-node.right{left:auto;right:auto}.mobile-header{align-items:center;flex-direction:row}.mobile-header nav{overflow-x:auto}.feature-card h2,.roles h2,.weekly-report h2{font-size:34px}.eyebrow{overflow-wrap:anywhere}.path-card,.panel-card,.feature-card,.roles,.weekly-report{max-width:100%;min-width:0}.rank-list li,.panel-title{min-width:0;flex-wrap:wrap}.phone-frame{max-width:100%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* v3.7 continue route CTA */
.primary-cta{display:flex;align-items:center;justify-content:center;gap:8px;width:min(320px,100%);min-height:58px;margin:18px auto 12px;border-radius:20px;background:var(--green);border:2px solid var(--green-dark);border-bottom:8px solid var(--green-dark);color:#fff;font-size:20px;font-weight:950;letter-spacing:.02em;box-shadow:0 12px 22px rgba(88,204,2,.18);transition:.14s transform,.14s filter}.primary-cta:after{content:"▶";font-size:16px}.primary-cta:hover{filter:saturate(1.08);transform:translateY(-2px)}.primary-cta:active{transform:translateY(5px);border-bottom-width:3px}.path-node.current.route-activated button{animation:nodePop .42s ease-out 1}.path-node.current.route-activated strong{color:#58a700}@keyframes nodePop{45%{transform:scale(1.12) translateY(-8px)}}
@media(max-width:720px){.primary-cta{min-height:54px;margin:14px auto 8px;font-size:18px}.path-card h1{font-size:38px}.intro{font-size:15px;line-height:1.45}}