:root{--paper:#faf4e4;--ink:#241c14;--muted:#716755;--green:#527444;--deep-green:#2b4628;--ochre:#b58b52;--line:#d9c8a5;--body:Georgia,"Noto Serif SC","Songti SC",SimSun,serif;--ui:"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100svh;background-color:var(--paper);color:var(--ink);font-family:var(--body);text-align:center;position:relative;isolation:isolate;display:flex;flex-direction:column;background-image:radial-gradient(ellipse at 52% 38%,#fffaf0a6,transparent 66%),url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.73' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Cpath fill='%239a7747' opacity='.065' filter='url(%23n)' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}
button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--ochre);outline-offset:5px}button{cursor:pointer}.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}.icon{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.site-header{height:82px;border-bottom:1px solid #c4a66f3b;flex-shrink:0;position:relative;z-index:2}.header-inner{max-width:1120px;height:100%;padding:0 28px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand img{width:148px;height:auto;display:block}.brand-leaf{height:31px;width:31px;fill:#8d9c52;stroke:#667e45;stroke-width:.7;transform:rotate(7deg)}nav{display:flex;align-items:center;gap:36px}nav a,nav button{padding:10px 0;border:0;background:none;text-decoration:none;color:#4e4537;font-size:16px;white-space:nowrap}nav a:hover,nav button:hover{color:var(--green)}
main{width:100%;margin:0 auto;position:relative;z-index:1;flex:1}.illustration{position:relative;max-width:900px;margin:13px auto -5px;isolation:isolate}.birds{display:block;position:relative;width:min(760px,84vw);height:auto;margin:auto;z-index:1}.clouds{position:absolute;top:-19%;left:50%;transform:translateX(-50%);width:106%;height:110%;object-fit:contain;opacity:.78;z-index:0;pointer-events:none}.welcome{padding:0 24px}h1{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(40px,5.3vw,76px);letter-spacing:-3px;line-height:1.12;font-weight:700;color:#1c140e;text-wrap:balance}.subtitle{font-size:clamp(17px,1.75vw,25px);margin:12px 0 0;line-height:1.35;letter-spacing:-.3px}.access-copy{font-size:17px;line-height:1.9;color:var(--muted);margin:20px auto 0;letter-spacing:.2px}.actions{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:25px;scroll-margin-top:30px}.button{min-height:60px;border-radius:12px;display:inline-flex;justify-content:center;align-items:center;gap:18px;text-decoration:none;padding:0 28px;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease;font-size:19px;font-weight:600;position:relative}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.button-primary{color:#fffdf2;background:linear-gradient(115deg,#658754,#466c3d);border:1px solid #4b6b3c;box-shadow:inset 0 0 0 3px #e8e4b625,0 2px 2px #493b1824;min-width:326px}.button-primary:before{content:"";position:absolute;inset:3px;border:1px solid #f5edd229;border-radius:9px;pointer-events:none}.button-primary:hover{box-shadow:inset 0 0 0 3px #e8e4b625,0 5px 14px #34462e20}.button-primary .icon:first-child{width:24px;height:26px;stroke-width:2}.button-primary .arrow{margin-left:auto;width:23px}.button-secondary{color:#684723;background:#f8e9c759;border:1.5px solid #cfa467;box-shadow:inset 0 0 0 2px #fff8e670;min-width:203px}.button-secondary .icon{width:28px;height:28px}.button-secondary:hover{background:#f4e4be}.network-note{display:inline-flex;align-items:center;justify-content:center;gap:14px;margin:22px 0 0;border:1px solid #d9cf9a;background:#edebcb68;border-radius:10px;min-height:45px;padding:10px 25px;font-size:15px;color:var(--deep-green);box-shadow:inset 0 0 0 2px #fffbe447}.network-note .icon{width:20px;height:21px;stroke-width:2}.note-divider{padding:0 9px}.entry-feedback{font-family:var(--ui);max-width:560px;margin:16px auto 0;font-size:13px;line-height:1.8;color:var(--muted)}.entry-feedback a{text-underline-offset:3px}.no-script{font-size:13px;line-height:1.8;color:var(--muted)}.foliage{position:fixed;bottom:-30px;z-index:0;width:clamp(210px,25vw,425px);height:auto;pointer-events:none}.foliage-left{left:-35px}.foliage-right{right:-38px}.site-footer{position:relative;z-index:1;display:flex;justify-content:center;align-items:center;gap:14px;font-size:13px;color:#6e6453;padding:29px 24px 19px;flex-shrink:0}.footer-dot{font-size:16px}.footer-leaf{width:23px;height:23px;fill:#a8ae69;stroke:#7a884f;stroke-width:.8;margin-left:4px}
dialog{color:var(--ink);font-family:var(--body);text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:42px 42px 34px;width:min(560px,calc(100% - 32px));max-height:calc(100svh - 40px);box-shadow:0 20px 100px #201b1460}dialog::backdrop{background:#24251a70;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;font:30px Georgia;color:var(--muted);width:36px;height:36px;border-radius:50%}.dialog-close:hover{background:#e7dcc6}.dialog-eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--ui);font-size:11px;letter-spacing:2px;color:var(--green)}.dialog-eyebrow .icon{width:20px;height:20px}h2{font-weight:500;font-size:28px;line-height:1.4;margin:20px 0 12px}.dialog-intro,.guide-list p{font-family:var(--ui);font-size:14px;line-height:1.85;color:var(--muted);margin:0}.guide-list{padding-left:24px;margin:25px 0}.guide-list li{padding-left:8px;margin-top:19px}.guide-list li::marker{color:var(--green);font-size:18px}.guide-list strong{font-size:16px;font-weight:600}.guide-list p{margin-top:5px}code{font-size:12px;color:var(--deep-green);overflow-wrap:anywhere}.dialog-tip{font-family:var(--ui);font-size:12px;line-height:1.8;background:#e9e8cf85;padding:13px 15px;border-radius:8px;color:#5e634a}.dialog-action{margin-top:25px;width:100%;min-width:0;font-size:16px;min-height:52px}
@media(min-width:1600px){.illustration{margin-top:20px}.birds{width:830px}.header-inner{max-width:1240px}.site-header{height:90px}.access-copy{font-size:18px}.actions{margin-top:27px}.button{min-height:65px}.site-footer{padding-top:33px}}
@media(max-width:900px){.foliage{width:29vw;min-width:210px;bottom:-15px;opacity:.9}.foliage-left{left:-60px}.foliage-right{right:-62px}.illustration{margin-top:35px}h1{letter-spacing:-1.8px}.header-inner{padding:0 30px}nav{gap:24px}nav a,nav button{font-size:14px}.actions{gap:14px}.button{font-size:17px;gap:13px}.button-primary{min-width:285px}.button-secondary{min-width:170px}}
@media(max-width:600px){.site-header{height:72px}.header-inner{padding:0 22px}.brand img{width:112px}.brand{gap:8px}.brand-leaf{width:23px;height:23px}nav{gap:18px}nav a,nav button{font-family:var(--ui);font-size:12px}nav a{display:none}nav button:last-child{display:none}.illustration{margin:55px auto 12px;max-width:100%;width:100%}.birds{width:100%;max-width:490px}.clouds{width:100%;height:130%;top:-37%;opacity:.7}.welcome{padding:0 23px}h1{font-size:clamp(35px,9.6vw,52px);letter-spacing:-1.5px;max-width:400px;margin:auto;line-height:1.1}.subtitle{font-size:16px;line-height:1.6;margin:15px auto 0;max-width:300px;letter-spacing:0}.access-copy{font-size:13px;line-height:2;margin-top:18px}.actions{flex-direction:column;gap:13px;margin:26px auto 0;max-width:300px}.button{width:100%;min-width:0;min-height:55px;border-radius:10px;font-size:16px}.button-primary{padding:0 25px}.button-primary span{margin:auto}.button-secondary{min-height:48px}.network-note{font-size:12px;min-height:40px;padding:10px 13px;gap:9px;margin-top:20px}.network-note .icon{width:17px;height:18px}.note-divider{padding:0 4px}.entry-feedback{font-size:12px;padding:0 13px}.foliage{width:220px;bottom:-28px;opacity:.75;z-index:-1}.foliage-left{left:-95px}.foliage-right{right:-101px}.site-footer{font-size:11px;padding-top:39px;padding-bottom:20px;gap:11px}dialog{padding:35px 25px 26px}h2{font-size:25px}.guide-list{padding-left:20px}.guide-list strong{font-size:15px}.guide-list p,.dialog-intro{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before{transition:none!important}}

/* Shared watercolor controls retain the original material and hover waves. */
watercolor-button.watercolor-entry{width:326px;max-width:100%;flex-shrink:0}
watercolor-button.watercolor-guide{width:326px;max-width:100%;flex-shrink:0}
watercolor-button.dialog-action{display:block;max-width:100%}
watercolor-button:not(:defined){display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 20px;background:#38583c;color:#fff8e7;border-radius:12px;cursor:pointer}
@media(max-width:600px){watercolor-button.watercolor-entry,watercolor-button.watercolor-guide{width:100%}}

.actions watercolor-button::part(button){height:60px;min-height:60px}