.world[data-view=cover],.world[data-view=tutorial],.world[data-view=board]{padding:0;min-height:100svh;background-color:#b9d990;background-size:cover;background-position:center center;background-repeat:no-repeat}
.world[data-view=cover]{background-image:url('assets/cover-meadow-v1-opt1.webp')}
.world[data-view=tutorial],.world[data-view=board]{background-image:linear-gradient(180deg,#172c2c0c 0,transparent 42%,#1e382e1c 100%),url('assets/meadow-opt1.webp')}
.front-main{max-width:none;width:100%;min-height:100svh;margin:0;padding:0}

.cover-scene{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(420px,1fr) minmax(310px,420px);grid-template-rows:1fr auto;align-items:center;gap:24px;width:min(1380px,100%);min-height:100svh;margin:auto;padding:clamp(54px,8vh,100px) clamp(34px,7vw,110px) 42px;overflow:hidden}
.cover-scene::before{content:"";position:absolute;z-index:-2;inset:0;background:radial-gradient(circle at 24% 45%,#fff7c745 0 12%,transparent 38%),linear-gradient(90deg,transparent 0 58%,#17372d18 78%,#1029222f 100%)}
.cover-scene::after{content:"";position:absolute;z-index:-1;left:-8%;right:-8%;bottom:-15%;height:40%;background:radial-gradient(ellipse at center,#527a3caa,transparent 68%);filter:blur(22px)}
.cover-sky-mark{position:absolute;top:30px;left:clamp(34px,7vw,110px);font:700 12px/1 Georgia,serif;letter-spacing:7px;color:#28483999}
.cover-title{align-self:end;grid-column:1;grid-row:1;max-width:670px;padding-bottom:clamp(112px,19vh,190px);text-shadow:0 3px 18px #fff8d9}
.cover-title>span{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:800;letter-spacing:5px;color:#315640}
.cover-title>span::before{content:"";width:38px;height:2px;background:#d78d3f;border-radius:2px}
.cover-title h1{margin:13px 0 12px;font-family:'STKaiti','KaiTi','Microsoft YaHei',sans-serif;font-size:clamp(62px,8vw,112px);line-height:.95;letter-spacing:clamp(5px,1vw,14px);color:#fff8da;-webkit-text-stroke:2px #274739;paint-order:stroke fill;filter:drop-shadow(0 9px 0 #27473933) drop-shadow(0 20px 28px #193b2b42)}
.cover-title p{font-size:16px;font-weight:800;letter-spacing:3px;color:#31513e}
.cover-party{position:absolute;z-index:-1;left:clamp(60px,10vw,150px);bottom:3%;width:min(690px,57vw);height:min(42vh,420px);pointer-events:none}
.cover-pet{position:absolute;bottom:0;width:34%;height:100%;display:grid;place-items:end center;transform-origin:50% 100%;filter:drop-shadow(0 16px 8px #183a273d);animation:cover-idle 3.4s ease-in-out infinite}
.cover-pet img{width:100%;height:100%;object-fit:contain;object-position:center bottom}
.cover-pet:nth-child(1){left:0;height:72%;animation-delay:-1.1s}.cover-pet:nth-child(2){left:31%;width:39%;z-index:2;animation-delay:-2.3s}.cover-pet:nth-child(3){right:0;height:76%;animation-delay:-.4s}
.cover-menu{grid-column:2;grid-row:1;align-self:center;display:grid;gap:14px;padding:24px;border:1px solid #fff2c45e;border-radius:24px;background:linear-gradient(145deg,#263f37e8,#173129e8);box-shadow:0 24px 70px #17302559,inset 0 1px #fff8d93d;backdrop-filter:blur(13px)}
.cover-menu button{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:78px;padding:14px 20px 14px 24px;border:1px solid #f7e8b754;border-radius:14px;background:linear-gradient(110deg,#fff6d714,#fff4cf08);box-shadow:inset 0 1px #fff9d929;color:#f9efd1;text-align:left;transition:transform .18s,background .18s,border-color .18s}
.cover-menu button::after{content:"›";font:300 32px/1 Georgia,serif;color:#f4d98c}
.cover-menu button:hover{filter:none;transform:translateX(5px);background:#fff3c51c;border-color:#ffe9a998}
.cover-menu button span{display:block;font-size:20px;letter-spacing:3px}.cover-menu button small{display:block;margin-left:auto;margin-right:16px;color:#c7d0b8;font-size:11px;font-weight:500;letter-spacing:1px}
.cover-menu .cover-start{min-height:92px;border-color:#ffe5a6;background:linear-gradient(115deg,#f6dda2,#dcae5f);color:#233e32;box-shadow:0 8px 20px #0d211a66,inset 0 2px #fff7d0}
.cover-menu .cover-start::after{color:#315043}.cover-menu .cover-start small{color:#607254}.cover-menu .cover-start:hover{background:linear-gradient(115deg,#ffe9ac,#ebc674);border-color:#fff0b9}
.cover-exit{position:absolute;right:clamp(34px,7vw,110px);bottom:26px;color:#294839;font-size:12px;font-weight:700;letter-spacing:2px;text-decoration:none;text-shadow:0 1px #fff9dd}.cover-exit:hover{text-decoration:underline}
@keyframes cover-idle{0%,100%{transform:translateY(0) rotate(-.5deg)}50%{transform:translateY(-9px) rotate(.7deg)}}

.pack-topbar .home-return{padding:7px 10px;border:0;background:transparent;box-shadow:none;font-size:13px}.pack-topbar .home-return:hover{transform:translateX(-2px);filter:none}
.front-page{width:min(1220px,calc(100% - 48px));min-height:calc(100svh - 48px);margin:24px auto;padding:24px 30px 30px;border:1px solid #fff7d876;border-radius:28px;background:linear-gradient(145deg,#fffbeaeb,#f0e9cbe0);box-shadow:0 30px 90px #17352947,inset 0 1px #fff;backdrop-filter:blur(16px);overflow:hidden}
.tutorial-page{display:grid;grid-template-rows:auto minmax(0,1fr) auto}
.front-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;padding-bottom:18px;border-bottom:1px solid #6f795d2b}
.front-heading>div{display:flex;align-items:baseline;gap:16px}.front-heading small{font-size:12px;font-weight:800;letter-spacing:3px;color:#526a50}.front-heading strong{font-size:12px;color:#8a7958}
.front-back{padding:7px 11px;border:0;background:transparent;box-shadow:none;font-size:13px}.front-back:hover{filter:none;transform:translateX(-2px)}

.lesson-card{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(520px,1.4fr);gap:42px;align-items:center;min-height:0;padding:35px 3vw}
.lesson-copy span{font-size:12px;font-weight:900;letter-spacing:4px;color:#c06634}.lesson-copy h1{margin:13px 0 22px;font-size:clamp(34px,4vw,58px);line-height:1.12;letter-spacing:2px;color:#264333}.lesson-copy p{max-width:460px;font-size:16px;line-height:2;color:#4c5f4d}
.lesson-art{position:relative;display:grid;place-items:center;min-height:420px;padding:28px;border-radius:24px;background:radial-gradient(circle at 50% 38%,#fff9d8 0 18%,#dfe9b9 70%);box-shadow:inset 0 0 0 1px #9baa7954,inset 0 -22px 45px #7587531f}
.lesson-art::after{content:"";position:absolute;left:8%;right:8%;bottom:7%;height:32px;border-radius:50%;background:#53714820;filter:blur(8px)}
.lesson-nav{display:grid;grid-template-columns:140px 1fr 140px;align-items:center;gap:16px}.lesson-nav>button{min-height:46px}.lesson-dots{display:flex;justify-content:center;gap:10px}.lesson-dots button{width:10px;height:10px;min-height:0;padding:0;border:0;border-radius:50%;background:#81907966;box-shadow:none}.lesson-dots button.active{width:30px;border-radius:6px;background:#456b4b}
.lesson-pet{position:relative;margin:0;display:grid;place-items:end center}.lesson-pet img{display:block;width:100%;height:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 8px 4px #31472d35)}.lesson-pet figcaption{position:absolute;top:100%;margin-top:4px;padding:3px 8px;border-radius:10px;background:#fff9e9d9;font-size:10px;font-weight:800;white-space:nowrap;color:#435141}

.lesson-zones{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1.25fr .8fr;gap:10px;width:100%;height:360px;align-items:stretch}.lesson-zone{position:relative;display:flex;flex-direction:column;justify-content:space-between;align-items:center;padding:13px 10px;border:2px solid #fff8dc88;border-radius:18px;color:#fff9e4;box-shadow:0 12px 26px #344b3333}.lesson-zone>b{font-size:14px;letter-spacing:2px}.lesson-zone>div{display:flex;align-items:end;justify-content:center;width:100%;min-height:0;flex:1}.lesson-zone .lesson-pet{width:30%;height:100%}.lesson-zone>small{font-size:10px;letter-spacing:1px}.lesson-zone.field{grid-column:1/-1;grid-row:1;background:linear-gradient(#77a855aa,#4f7e45d9)}.lesson-zone.bench{grid-column:1;grid-row:2;background:linear-gradient(#a57b4eb8,#785332e0)}.lesson-zone.shop{grid-column:2;grid-row:2;background:linear-gradient(#765171cf,#49354ee8)}.lesson-zone.bench .lesson-pet{width:45%}.lesson-zone.shop .lesson-pet{width:72%}
.lesson-bench{position:relative;z-index:1;display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;width:100%;max-width:660px}.bench-stage,.field-stage{position:relative;display:grid;place-items:center;height:260px;border-radius:50% 50% 22px 22px}.bench-stage{background:radial-gradient(ellipse at 50% 80%,#9a724e 0 35%,transparent 36%)}.field-stage{background:radial-gradient(ellipse at 50% 80%,#6e9952 0 35%,transparent 36%)}.lesson-bench .lesson-pet{width:85%;height:220px}.sleep-mark{position:absolute;right:17%;top:22%;font-size:28px;font-weight:900;color:#715c88;transform:rotate(12deg)}.blocked-spark,.active-spark{position:absolute;bottom:3px;padding:7px 12px;border-radius:14px;font-size:11px;font-weight:900}.blocked-spark{background:#6f6259;color:#eee4d2}.active-spark{background:#e79d47;color:#fff9df;box-shadow:0 0 18px #e8b75d}.move-arrow{font-size:38px;font-weight:300;color:#56694e;text-align:center}
.lesson-economy{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.6fr;gap:40px;align-items:center;width:100%;max-width:710px}.energy-bank{display:grid;grid-template-columns:70px 1fr;align-items:center;padding:25px;border-radius:24px;background:#2d493c;color:#fff9df;box-shadow:0 13px 25px #263e333b}.energy-bank .energy-icon{width:65px;height:65px}.energy-bank strong{font-size:64px;line-height:1}.energy-bank small{grid-column:1/-1;margin-top:12px;text-align:center;color:#cad5bf}.economy-actions{display:grid;gap:13px}.economy-actions span{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border:1px solid #85926c66;border-radius:15px;background:#fffbedc7;box-shadow:0 6px 13px #56624318}.economy-actions b{font-size:16px}.economy-actions em{font-style:normal;font-size:23px;font-weight:900;color:#b65b41}.economy-actions em.gain{color:#4d8350}
.lesson-tiers{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;width:100%;gap:12px}.lesson-tiers span{display:grid;place-items:center;width:115px;height:155px;border:2px solid #fff4c8;border-radius:17px;background:linear-gradient(145deg,#536e51,#2e4a3e);color:#fff5d4;box-shadow:0 13px 22px #34452f36}.lesson-tiers span:nth-of-type(2){background:linear-gradient(145deg,#7c7050,#51462f)}.lesson-tiers span:nth-of-type(3){background:linear-gradient(145deg,#766076,#4c3a57)}.lesson-tiers span:nth-of-type(4){background:linear-gradient(145deg,#b56b43,#743a32)}.lesson-tiers b{font-size:30px}.lesson-tiers small{font-size:11px}.lesson-tiers i{font-style:normal;font-size:24px;color:#6c765b}
.lesson-journey{position:relative;z-index:1;width:min(650px,100%);text-align:center}.lesson-hearts{display:flex;justify-content:center;gap:12px;margin-bottom:60px}.lesson-hearts svg{width:54px;height:51px;fill:#69a855;stroke:#365d36;stroke-width:1.7;filter:drop-shadow(0 4px 0 #fff)}.journey-line{display:grid;grid-template-columns:50px 1fr 60px;align-items:center}.journey-line b,.journey-line strong{display:grid;place-items:center;width:52px;height:52px;border:3px solid #fff9db;border-radius:50%;background:#385c45;color:#fff8df;font-size:21px;box-shadow:0 5px 12px #35503a42}.journey-line strong{width:60px;height:60px;background:#d88b46;font-size:25px}.journey-line span{height:8px;background:repeating-linear-gradient(90deg,#698258 0 18px,transparent 18px 28px)}.lesson-journey>small{display:block;margin-top:24px;font-weight:800;color:#52694e;letter-spacing:2px}
.lesson-combat{position:relative;z-index:1;display:grid;grid-template-columns:1fr 95px 1fr;align-items:center;width:100%;height:330px}.combat-line{display:flex;align-items:end;height:240px}.combat-line .lesson-pet{width:33.333%;height:100%}.combat-line.foes .lesson-pet:first-child{filter:drop-shadow(0 0 10px #d05942)}.combat-arrow{text-align:center;color:#4d624d}.combat-arrow b,.combat-arrow small{display:block;font-size:10px}.combat-arrow span{display:block;font-size:42px;color:#bd633b}.combat-arrow small{line-height:1.5}

.board-layout{display:grid;grid-template-columns:minmax(280px,360px) 1fr;gap:28px;padding:28px 2vw 0}.message-form{align-self:start;display:grid;gap:17px;padding:25px;border:1px solid #e9d49e;border-radius:19px;background:linear-gradient(150deg,#fff9e7,#efe2bd);box-shadow:0 13px 25px #34442e24}.message-form>div span{font-size:11px;font-weight:900;letter-spacing:3px;color:#a96637}.message-form h1{margin-top:6px;font-size:27px;color:#2e4938}.message-form label{display:grid;gap:7px;font-size:13px;font-weight:800;color:#435744}.message-form label small{font-weight:500;color:#788070}.message-form input,.message-form textarea{width:100%;border:1px solid #8b96746b;border-radius:11px;background:#fffdf3;padding:11px 12px;color:#293d30;outline:none;resize:vertical;box-shadow:inset 0 2px 6px #6f735516}.message-form input:focus,.message-form textarea:focus{border-color:#547b58;box-shadow:0 0 0 3px #6e9a5d20}.message-form-foot{display:flex;align-items:center;justify-content:space-between;gap:10px}.message-form-foot>span{font-size:11px;color:#777e69}.board-error{font-size:12px;color:#a64436;line-height:1.5}.message-wall{min-height:620px;padding:22px;border:1px solid #c9b98b;border-radius:20px;background-color:#786246;background-image:linear-gradient(#3f2e1c1c 1px,transparent 1px),linear-gradient(90deg,#3f2e1c1c 1px,transparent 1px),url('assets/material-academy-v1-opt1.webp');background-size:26px 26px,26px 26px,cover;box-shadow:inset 0 0 0 7px #5c4327,inset 0 0 0 9px #d4aa62,0 16px 30px #2b3c2f2d;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:14px}.message-note{position:relative;min-height:120px;padding:16px 17px 19px;border-radius:3px 14px 5px 13px;background:#fff9df;color:#384738;box-shadow:0 6px 10px #2c241b33;transform:rotate(var(--note-angle,-.3deg))}.message-note:nth-child(3n+1){--note-angle:.45deg;background:#f8f0cf}.message-note:nth-child(3n+2){--note-angle:-.6deg;background:#f3ebd8}.message-note::before{content:"";position:absolute;top:-5px;left:50%;width:44px;height:14px;transform:translateX(-50%) rotate(-2deg);background:#e6c978aa}.message-note header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:9px;border-bottom:1px solid #8f987048}.message-note strong{font-size:13px;color:#35513c}.message-note time{font-size:10px;color:#81816e}.message-note p{padding-top:10px;font-size:13px;line-height:1.7;overflow-wrap:anywhere;white-space:pre-wrap}.board-empty{grid-column:1/-1;display:grid;place-items:center;min-height:450px;color:#fff4d4;font-size:14px;font-weight:800;letter-spacing:2px;text-shadow:0 2px 3px #392b1f}.board-pages{grid-column:1/-1;align-self:end;display:flex;justify-content:center;align-items:center;gap:15px;padding-top:8px}.board-pages button{padding:6px 11px;font-size:11px}.board-pages span{color:#fff8df;font-size:11px;font-weight:800;text-shadow:0 2px #48351f}

@media(max-width:900px){
 .cover-scene{grid-template-columns:1fr 330px;padding-left:32px;padding-right:32px}.cover-title h1{font-size:70px}.cover-party{left:20px;width:60vw}.cover-menu button small{display:none}
 .lesson-card{grid-template-columns:1fr;gap:15px;padding:25px 12px;min-height:auto}.lesson-copy{text-align:center}.lesson-copy p{margin:auto}.lesson-art{min-height:390px}.lesson-nav{margin-top:20px}
 .board-layout{grid-template-columns:1fr}.message-form{grid-template-columns:1fr 1fr;align-items:start}.message-form>div,.message-form>label:nth-of-type(2),.message-form-foot,.board-error{grid-column:1/-1}.message-wall{min-height:560px}
}
@media(max-width:600px){
 .world[data-view=cover]{background-position:48% center}.world[data-view=tutorial],.world[data-view=board]{background-position:60% center}
 .cover-scene{display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;min-height:100svh;padding:46px 17px 22px}.cover-sky-mark{top:20px;left:20px;font-size:9px;letter-spacing:4px}.cover-title{order:1;align-self:auto;padding:0;text-align:center}.cover-title>span{font-size:10px;letter-spacing:3px;justify-content:center}.cover-title>span::before{display:none}.cover-title h1{font-size:54px;letter-spacing:6px;-webkit-text-stroke-width:1.5px;margin:8px 0}.cover-title p{font-size:12px;letter-spacing:1px}.cover-party{position:relative;order:2;left:auto;bottom:auto;width:100%;height:24svh;min-height:170px;margin-top:-2px}.cover-menu{order:3;padding:13px;gap:9px;border-radius:18px}.cover-menu button{min-height:55px;padding:9px 15px 9px 18px}.cover-menu .cover-start{min-height:62px}.cover-menu button span{font-size:16px}.cover-menu button small{display:block;font-size:9px}.cover-exit{position:static;order:4;align-self:center;margin-top:13px;font-size:10px}
 .front-page{width:calc(100% - 18px);min-height:calc(100svh - 18px);margin:9px auto;padding:13px;border-radius:18px}.front-heading{padding-bottom:11px}.front-heading>div{gap:8px}.front-heading small{font-size:10px;letter-spacing:2px}
 .lesson-card{padding:18px 2px 4px}.lesson-copy span{font-size:10px}.lesson-copy h1{font-size:29px;margin:8px 0 11px}.lesson-copy p{font-size:13px;line-height:1.75}.lesson-art{min-height:310px;padding:12px;border-radius:17px}.lesson-nav{grid-template-columns:91px 1fr 91px;gap:7px}.lesson-nav>button{min-height:40px;padding:7px;font-size:12px}.lesson-dots{gap:5px}.lesson-dots button{width:7px;height:7px}.lesson-dots button.active{width:18px}
 .lesson-zones{grid-template-columns:1.2fr .8fr;grid-template-rows:1.2fr .8fr;height:285px;gap:7px}.lesson-zone{padding:8px 5px;border-radius:13px}.lesson-zone.field{grid-column:1/-1;grid-row:1}.lesson-zone.bench{grid-column:1;grid-row:2}.lesson-zone.shop{grid-column:2;grid-row:2}.lesson-zone.field .lesson-pet{width:28%}.lesson-zone.bench .lesson-pet{width:38%}.lesson-zone.shop .lesson-pet{width:65%}.lesson-zone>b{font-size:11px}.lesson-zone>small{font-size:8px;letter-spacing:0}
 .lesson-bench{grid-template-columns:1fr 35px 1fr}.bench-stage,.field-stage{height:200px}.lesson-bench .lesson-pet{height:180px}.move-arrow{font-size:24px}.blocked-spark,.active-spark{font-size:9px;padding:5px 7px}.sleep-mark{font-size:20px}
 .lesson-economy{grid-template-columns:1fr;gap:12px}.energy-bank{grid-template-columns:48px 1fr;justify-self:center;padding:12px 22px}.energy-bank .energy-icon{width:45px;height:45px}.energy-bank strong{font-size:45px}.energy-bank small{margin-top:4px}.economy-actions{grid-template-columns:repeat(3,1fr);gap:6px}.economy-actions span{display:grid;justify-items:center;padding:9px 4px}.economy-actions b{font-size:11px}.economy-actions em{font-size:18px}
 .lesson-tiers{gap:4px}.lesson-tiers span{width:64px;height:108px;border-radius:10px}.lesson-tiers b{font-size:20px}.lesson-tiers small{font-size:8px}.lesson-tiers i{font-size:13px}
 .lesson-hearts{gap:5px;margin-bottom:42px}.lesson-hearts svg{width:38px;height:36px}.journey-line{grid-template-columns:42px 1fr 46px}.journey-line b,.journey-line strong{width:42px;height:42px;font-size:16px}.journey-line strong{width:46px;height:46px;font-size:18px}
 .lesson-combat{grid-template-columns:1fr 55px 1fr;height:260px}.combat-line{height:170px;flex-direction:column;align-items:center;justify-content:center}.combat-line .lesson-pet{width:74%;height:33.333%}.combat-line.foes{direction:ltr}.lesson-pet figcaption{top:auto;bottom:3px;right:-8px;font-size:8px;padding:2px 4px}.combat-arrow span{font-size:27px}.combat-arrow b,.combat-arrow small{font-size:8px}
 .board-layout{padding:14px 0 0;gap:17px}.message-form{display:grid;grid-template-columns:1fr;padding:17px;gap:13px}.message-form>div,.message-form>label:nth-of-type(2),.message-form-foot,.board-error{grid-column:auto}.message-form h1{font-size:22px}.message-wall{grid-template-columns:1fr;min-height:480px;padding:17px}.message-note{min-height:105px}.board-empty{min-height:350px}
}
@media(prefers-reduced-motion:reduce){.cover-pet{animation:none}.cover-menu button{transition:none}}

/* Image-reference pass: cover, tutorial and message board */
.world[data-view="cover"]{background:none!important}
.cover-scene{width:100%;max-width:none;background:#8dc75d;grid-template-columns:minmax(540px,1.22fr) minmax(320px,430px);padding:clamp(46px,6vh,78px) clamp(38px,6vw,104px) 34px}
.cover-backdrop{position:absolute;z-index:-5;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;user-select:none;pointer-events:none}
.cover-scene::before{z-index:-4;background:linear-gradient(90deg,transparent 0 58%,#17362924 78%,#10291f42 100%),linear-gradient(0deg,#19351b26,transparent 28%)}
.cover-scene::after{display:none}
.cover-title{position:relative;align-self:center;justify-self:center;width:min(710px,58vw);padding:32px 36px 44px;text-align:center;border:7px solid #4b2a16;border-radius:34% 34% 22px 22px;background:radial-gradient(circle at 14% 30%,#91603c66 0 3px,transparent 4px),repeating-linear-gradient(4deg,#7f4c2a 0 12px,#754426 12px 24px);box-shadow:inset 0 0 0 4px #bc8149,inset 0 -20px 30px #4525135e,0 18px 0 #38210f54,0 27px 40px #1838235e;transform:rotate(-1deg)}
.cover-title::before,.cover-title::after{content:"";position:absolute;top:-31px;width:102px;height:74px;background:radial-gradient(ellipse at 30% 70%,#7fb347 0 36%,transparent 38%),radial-gradient(ellipse at 68% 58%,#4d8739 0 40%,transparent 42%);filter:drop-shadow(0 3px #30552b)}
.cover-title::before{left:18px;transform:rotate(-18deg)}.cover-title::after{right:18px;transform:scaleX(-1) rotate(-18deg)}
.cover-title>i{position:absolute;left:50%;top:-41px;width:76px;height:62px;transform:translateX(-50%);border:5px solid #52301c;border-radius:46% 46% 20% 20%;background:#d49b53;box-shadow:inset 0 0 0 4px #8d5830}
.cover-title>i::after{content:"★";display:grid;place-items:center;height:100%;font-style:normal;font-size:30px;color:#ffe59a;text-shadow:0 3px #77421f}
.cover-title h1{position:relative;margin:0;font-family:'Microsoft YaHei','PingFang SC',sans-serif;font-weight:900;line-height:1.2;font-size:clamp(48px,6vw,96px);letter-spacing:.06em;color:#ffdc70;-webkit-text-stroke:1.5px #75401f;text-shadow:0 3px 0 #5b301c;filter:none;white-space:nowrap}
.cover-party{z-index:3;left:clamp(65px,9vw,150px);bottom:0;width:min(680px,55vw);height:min(40vh,390px)}
.cover-menu{position:relative;align-self:center;gap:17px;padding:72px 32px 34px;border:7px solid #6b4926;border-radius:28px;background:linear-gradient(130deg,#ffffff0b,#0000001c),url('assets/material-academy-v1-opt1.webp') center/cover,#1f4939;box-shadow:inset 0 0 0 4px #c0924d,inset 0 0 35px #0c2116a8,0 22px 55px #17352475;backdrop-filter:none}
.cover-menu::before,.cover-menu::after{content:"";position:absolute;width:110px;height:70px;background:radial-gradient(ellipse at 30% 70%,#83b842 0 38%,transparent 40%),radial-gradient(ellipse at 70% 48%,#447d32 0 39%,transparent 41%);filter:drop-shadow(0 3px #2b5828)}
.cover-menu::before{left:-32px;top:-22px;transform:rotate(-22deg)}.cover-menu::after{right:-30px;bottom:-18px;transform:scaleX(-1) rotate(-25deg)}
.menu-crest{position:absolute;top:-48px;left:50%;display:grid;place-items:center;width:92px;height:85px;transform:translateX(-50%);border:7px solid #5b3a20;border-radius:48% 48% 26% 26%;background:#234e3d;color:#f0c86d;font-style:normal;font-size:31px;box-shadow:inset 0 0 0 4px #c3974e,0 7px 12px #13281e66}
.cover-menu button,.cover-menu .cover-start{z-index:1;justify-content:center;min-height:82px;padding:13px 24px;border:5px solid #815b31;border-radius:42px;background:linear-gradient(#fff9db,#e7d4a5);box-shadow:inset 0 0 0 2px #fff9e6,0 7px 0 #4f351d,0 11px 18px #0b201876;color:#3f442f;text-align:center}
.cover-menu button::after{display:none}.cover-menu button span{font-family:'STKaiti','KaiTi','Microsoft YaHei',sans-serif;font-size:clamp(23px,2vw,32px);font-weight:900;letter-spacing:.15em;text-shadow:0 2px #fff}
.cover-menu button:hover,.cover-menu .cover-start:hover{transform:translateY(-3px);background:linear-gradient(#fff2ad,#e4b85c);filter:brightness(1.05)}
.cover-menu .cover-start{border-color:#8a5522;background:linear-gradient(#fff2a1,#e1a742);color:#6a2d18}
.cover-exit{z-index:5;right:34px;bottom:26px;padding:8px 14px;border-radius:16px;background:#19382ea8;color:#fff1c8;text-shadow:0 2px #142b23;letter-spacing:2px}

.world[data-view="tutorial"],.world[data-view="board"]{background-image:url('assets/cover-meadow-v1-opt1.webp');background-size:cover;background-position:center}
.front-page{position:relative;width:min(1500px,calc(100% - 56px));min-height:calc(100svh - 48px);margin:24px auto;padding:30px 45px 34px;border:9px solid #5d3b20;border-radius:34px;background:linear-gradient(#fff7dce8,#f0dfb8ed),radial-gradient(circle,#9f7b4730 1px,transparent 1.5px);background-size:auto,14px 14px;box-shadow:inset 0 0 0 5px #c39454,inset 0 0 36px #9a744d4d,0 28px 65px #17381f80;backdrop-filter:none}
.front-page::before,.front-page::after{content:"";position:absolute;z-index:2;width:150px;height:82px;pointer-events:none;background:radial-gradient(ellipse at 30% 70%,#7aae45 0 36%,transparent 38%),radial-gradient(ellipse at 66% 45%,#3d7937 0 38%,transparent 40%)}
.front-page::before{left:-40px;top:-35px;transform:rotate(-14deg)}.front-page::after{right:-38px;bottom:-34px;transform:scaleX(-1) rotate(-18deg)}
.front-heading{position:relative;z-index:3;min-height:56px;padding-bottom:16px;border-color:#8b6b3d55}.front-heading small{font-family:'STKaiti','KaiTi',sans-serif;font-size:18px;letter-spacing:4px;color:#36553d}.front-heading strong{color:#705a39}
.front-back{min-width:116px!important;padding:10px 18px!important;border:3px solid #654323!important;border-radius:24px!important;background:linear-gradient(#916039,#67401f)!important;box-shadow:inset 0 0 0 2px #c79558,0 4px 0 #402713!important;color:#fff3c7!important;font-size:16px!important;font-weight:900!important}
.lesson-card{grid-template-columns:minmax(270px,.64fr) minmax(570px,1.6fr);gap:36px;padding:28px 2vw 18px}
.lesson-copy{align-self:stretch;padding:34px 26px;border-right:1px solid #9f7d4f55}.lesson-copy span{font-size:12px;color:#9c6233}.lesson-copy h1{font-family:'STKaiti','KaiTi','Microsoft YaHei',sans-serif;font-size:clamp(36px,4.2vw,64px);color:#325439}.lesson-copy p{font-size:18px;line-height:1.9;color:#4d4d39}
.lesson-art{min-height:470px;padding:28px;border:3px solid #b18c55;border-radius:25px;background:#dfe9b9;box-shadow:inset 0 0 0 5px #fff5cf88,inset 0 -30px 50px #60432322,0 10px 18px #6a4f2b2e;overflow:hidden}.lesson-art::after{display:none}
.lesson-nav>button,.board-pages button{border:3px solid #76502c;background:linear-gradient(#f7e6b8,#d3b27a);box-shadow:0 4px 0 #5b391e;color:#4b4932;font-weight:900}.lesson-nav>button.primary{background:linear-gradient(#4f7953,#295039);color:#fff0bd}.lesson-dots button{background:#b9955c}.lesson-dots button.active{background:#3f7547}
.lesson-zones{height:410px;padding:15px;border-radius:20px;background:linear-gradient(#ffffff05,#68451b28),url('assets/camp-unified-calm-v2.webp') center/cover no-repeat;box-shadow:inset 0 0 24px #25391b45}
.lesson-zone{border:3px dashed #fff0bca8;background:#31551d38!important;box-shadow:inset 0 0 32px #273d1745,0 5px 15px #2e3d2433}.lesson-zone.bench{background:#8158317d!important}.lesson-zone.shop{background:#4c2f568f!important}
.lesson-zone>b{padding:5px 16px;border-radius:13px;background:#31573ee8;box-shadow:0 3px 0 #193a27;color:#fff2bf}.lesson-zone.bench>b{background:#77502de8}.lesson-zone.shop>b{background:#613e68e8}.lesson-zone>small{padding:4px 8px;border-radius:10px;background:#203827b0}
.lesson-zone .lesson-pet{height:78%}.lesson-zone.bench .lesson-pet{height:72%}.lesson-zone.shop .lesson-pet{height:70%}

.board-page{padding-top:25px;background:linear-gradient(90deg,#f7e8ccef 0 37%,#694225f0 37% 100%),url('assets/material-academy-v1-opt1.webp') center/cover}
.board-page>.front-heading{position:absolute;z-index:5;left:28px;right:28px;top:22px;border:0}.board-page>.front-heading>div strong{color:#f8e7ba}.board-page>.front-heading>div small{display:none}
.board-title{position:relative;z-index:4;width:max-content;margin:-57px auto 14px;padding:12px 76px 17px;border:6px solid #5d351b;border-radius:44% 44% 12px 12px;background:linear-gradient(#8d5931,#613719);box-shadow:inset 0 0 0 3px #c58a4e,0 7px 0 #452714;color:#fff0b8;font-family:'STKaiti','KaiTi',sans-serif;font-size:42px;font-weight:900;letter-spacing:12px;text-shadow:0 3px #5b351e}
.board-layout{grid-template-columns:minmax(315px,.78fr) minmax(570px,1.55fr);gap:34px;padding:8px 0 0}
.message-form{margin:42px 5px 10px;padding:32px;border:4px solid #bb9562;border-radius:10px;background:linear-gradient(#fff7e2f5,#eee0bdf5),radial-gradient(circle,#9d79442b 1px,transparent 1.5px);background-size:auto,13px 13px;box-shadow:inset 0 0 0 3px #fff8dc,0 12px 25px #36281742}
.message-form label{font-size:18px;color:#4d3d29}.message-form label small{font-size:12px}.message-form input,.message-form textarea{border:2px solid #b69b6d;border-radius:8px;background:#fffaf0cc;font-size:16px}.message-form textarea{min-height:225px}
.message-form-foot button{min-width:190px;border:4px solid #765027;background:linear-gradient(#4d7650,#294f38);box-shadow:inset 0 0 0 2px #c5a864,0 5px 0 #53341d;color:#fff1b7;font-size:18px}
.message-wall{position:relative;min-height:660px;padding:34px 28px 62px;border:7px solid #5b351c;border-radius:8px;background:linear-gradient(#6e4524aa,#593216b8),repeating-linear-gradient(2deg,#83512d 0 16px,#754522 17px 32px);box-shadow:inset 0 0 0 4px #b77c42,inset 0 0 34px #26140d9e,0 14px 27px #36241452}
.message-wall::before{content:"";position:absolute;inset:18px;border:1px solid #d29b5555;border-radius:4px;pointer-events:none}
.message-note{min-height:154px;padding:22px;background:#fff4d7;box-shadow:0 8px 12px #25160d6b}.message-note p{font-size:15px}.message-note strong{font-size:16px}.message-note::before{width:18px;height:18px;top:-8px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff0a0,#a66e16 40%,#694013 72%)}
.board-pages{position:absolute;left:0;right:0;bottom:15px}.board-pages button{min-width:110px}.board-pages span{font-size:14px}

@media(max-width:900px){
 .cover-scene{grid-template-columns:1fr 330px}.cover-title{width:55vw;padding:26px 22px 36px}.cover-title h1{font-size:62px}.cover-menu{padding:58px 22px 25px}.cover-party{width:54vw}
 .lesson-card{grid-template-columns:1fr;padding-top:18px}.lesson-copy{padding:8px 20px 18px;border-right:0;border-bottom:1px solid #9f7d4f55;text-align:left}.lesson-copy p{max-width:none}.lesson-art{min-height:430px}
 .board-layout{grid-template-columns:minmax(260px,.72fr) 1.3fr}.message-wall{grid-template-columns:1fr;min-height:680px;max-height:680px;overflow:auto}.message-note{min-height:120px}
}
@media(max-width:600px){
 .cover-scene{background:#8dc75d;justify-content:flex-end;padding:26px 15px 18px}.cover-backdrop{object-position:44% center}.cover-title{order:1;width:92%;margin:0 auto;padding:19px 14px 26px;border-width:5px}.cover-title>i{top:-32px;width:55px;height:47px;border-width:4px}.cover-title>i::after{font-size:22px}.cover-title h1{font-size:47px;-webkit-text-stroke-width:3px}.cover-party{order:2;height:24svh;margin-top:-10px}.cover-menu{order:3;margin:0 3px;padding:38px 16px 18px;border-width:5px;gap:10px}.menu-crest{top:-31px;width:61px;height:57px;border-width:4px;font-size:20px}.cover-menu button,.cover-menu .cover-start{min-height:54px;border-width:3px;box-shadow:inset 0 0 0 1px #fff9e6,0 4px 0 #4f351d}.cover-menu button span{font-size:19px}.cover-exit{margin-top:9px}
 .front-page{width:calc(100% - 16px);margin:8px auto;padding:13px;border-width:5px;border-radius:18px}.front-page::before,.front-page::after{width:75px;height:45px}.front-heading{min-height:42px;padding-bottom:8px}.front-back{min-width:78px!important;padding:7px 10px!important;font-size:12px!important}.front-heading small{font-size:13px}.lesson-card{padding:10px 0 4px}.lesson-copy{padding:6px 8px 12px}.lesson-copy h1{font-size:30px;margin:6px 0 8px}.lesson-copy p{font-size:13px}.lesson-art{min-height:300px;padding:8px;border-width:2px}.lesson-zones{height:285px;padding:7px}
 .board-page{padding-top:13px;background:linear-gradient(#f7e8ccf5 0 42%,#694225f3 42% 100%),url('assets/material-academy-v1-opt1.webp') center/cover}.board-page>.front-heading{position:relative;left:auto;right:auto;top:auto}.board-page>.front-heading>div strong{color:#6c5432}.board-title{margin:-6px auto 5px;padding:7px 35px 9px;border-width:4px;font-size:27px;letter-spacing:7px}.board-layout{grid-template-columns:1fr;gap:12px;padding-top:0}.message-form{margin:4px 0;padding:14px;border-width:3px}.message-form label{font-size:13px}.message-form textarea{min-height:95px}.message-form-foot button{min-width:130px;font-size:14px}.message-wall{min-height:390px;max-height:none;padding:20px 14px 52px;border-width:5px;grid-template-columns:1fr;overflow:visible}.message-note{min-height:100px;padding:15px}.message-note p{font-size:13px}.board-pages{bottom:9px}
}

/* Keep intrinsic image dimensions out of tutorial layout calculations. */
.lesson-zones{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);grid-template-rows:minmax(0,1.25fr) minmax(0,1fr)}
.lesson-zone{min-width:0;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:4px;justify-items:center;align-items:stretch}
.lesson-zone>div{position:relative;min-height:0;min-width:0;height:100%;align-items:stretch}
.lesson-zone .lesson-pet,.lesson-zone.bench .lesson-pet,.lesson-zone.shop .lesson-pet{height:100%;min-height:0;min-width:0;display:block}
.lesson-pet img{min-width:0;min-height:0}
.lesson-zone .lesson-pet img{position:absolute;inset:0;width:100%;height:100%}
.lesson-zone>b,.lesson-zone>small{max-width:100%;text-align:center}
.world[data-view=home] .pack-topbar .home-return{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:auto;min-width:84px;height:38px;padding:7px 12px;border-radius:19px;font-size:14px;line-height:1;white-space:nowrap;letter-spacing:0}
.pack-topbar>.row{flex-wrap:nowrap;min-width:0}
.cover-scene{grid-template-columns:minmax(0,1.22fr) minmax(0,.85fr);column-gap:40px}
.cover-title{width:100%;max-width:710px;min-width:0;padding-left:18px;padding-right:18px}
.cover-menu{width:100%;min-width:0;max-width:430px;justify-self:end}
.lesson-card{grid-template-columns:minmax(0,.64fr) minmax(0,1.6fr)}
.lesson-copy,.lesson-art{min-width:0}
.board-title{margin:0 auto 14px}
.board-layout{grid-template-columns:minmax(0,.78fr) minmax(0,1.55fr)}
.message-form{min-width:0}.message-form-foot{flex-wrap:wrap}.message-form-foot button{min-width:0}
@media(max-width:1000px){.lesson-card{grid-template-columns:1fr;gap:16px}.lesson-copy{padding:8px 12px 15px;border-right:0;border-bottom:1px solid #9f7d4f55}.lesson-copy p{max-width:none}.cover-title h1{font-size:clamp(36px,6vw,60px)}}
@media(max-width:900px){.message-form{display:grid;grid-template-columns:1fr}.message-form>*{grid-column:1/-1}.board-title{margin-top:52px}.board-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}}
@media(max-width:600px){
 .cover-title{width:92%;flex-shrink:0}.cover-title h1{font-size:clamp(30px,9vw,47px);-webkit-text-stroke:1px #75401f;text-shadow:0 2px 0 #5b301c}.cover-party{width:100%;flex-shrink:0}.cover-menu{width:100%;max-width:none;align-self:stretch;flex-shrink:0;margin-left:0;margin-right:0}
 .lesson-zones{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-template-rows:minmax(0,1.2fr) minmax(0,1fr)}
 .lesson-combat{grid-template-columns:1fr;grid-template-rows:1fr 58px 1fr;height:280px}.combat-line{height:95px;flex-direction:row;align-items:end;justify-content:space-around}.combat-line .lesson-pet{width:29%;height:100%}.combat-arrow span{transform:rotate(90deg);font-size:25px;line-height:22px}.lesson-combat .lesson-pet figcaption{top:100%;bottom:auto;right:auto;font-size:8px}.combat-arrow b{display:none}
 .board-layout{grid-template-columns:1fr}.board-title{margin:8px auto 12px}.message-form textarea{resize:vertical}.front-page::before,.front-page::after{display:none}
}
.lesson-zone{grid-template-columns:minmax(0,1fr);justify-content:stretch}
@media(max-width:600px){.cover-party{left:auto;bottom:auto}.cover-title::before,.cover-title::after{width:65px;height:43px;top:-19px}.lesson-combat{height:260px;grid-template-rows:90px 55px 90px}.lesson-combat .combat-line{height:78px}.lesson-combat .lesson-pet figcaption{margin-top:1px}}
.lesson-zone>small{line-height:1.5}