:root{color-scheme:light;--ink:#203740;--muted:#687b7d;--line:#dfe7e4;--mint:#eaf6f2;--coral:#e97970;--blue:#3686bd;--paper:#f5f7f6;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html{min-width:320px;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button,a,select{touch-action:manipulation}
.board-topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:66px;padding:8px max(20px,calc((100% - 1200px)/2));border-bottom:1px solid #e4e9e6;background:#ffffffed;backdrop-filter:blur(16px)}
.board-brand{display:flex;align-items:center;gap:9px;flex:none;color:var(--ink);text-decoration:none;font-size:14px;font-weight:750;line-height:1.2}.board-brand img{width:36px;height:36px;object-fit:contain}.board-brand small{display:block;margin-top:3px;color:var(--muted);font-size:10px;font-weight:500}
.board-nav{display:flex;align-items:center;justify-content:center;gap:5px;min-width:0}.board-nav a{padding:7px 10px;border-radius:999px;color:#647478;text-decoration:none;font-size:12px;white-space:nowrap;transition:background .18s,color .18s}.board-nav a:hover,.board-nav a[aria-current=page]{background:#e9f4f0;color:#176e68;font-weight:700}
.board-tools{display:flex;align-items:center;gap:9px;flex:none}.board-presence{display:flex;align-items:center;gap:5px;color:#72807f;font-size:11px;white-space:nowrap}.board-presence i,.live-dot{width:7px;height:7px;border-radius:50%;background:#53b985;box-shadow:0 0 0 4px #53b98520}.board-presence b{color:var(--ink);font-size:14px}.sound-button{min-height:34px;padding:5px 10px;border:1px solid #d9e3e0;border-radius:999px;background:#fff;font-size:11px;cursor:pointer}.admin-link{color:#54706b;text-decoration:none;font-size:12px;white-space:nowrap}
.board-page{width:min(1050px,100%);min-height:calc(100dvh - 66px);margin:0 auto;padding:19px 24px 35px}.back-home{color:#647577;text-decoration:none;font-size:12px}.back-home:hover{color:#176e68}
.page-heading{margin:26px auto 23px;max-width:850px}.page-kicker{color:#418779;font-size:11px;font-weight:800;letter-spacing:.09em}.page-heading h1{margin:7px 0;color:#203740;font-size:38px;line-height:1.17;font-weight:780}.page-heading p{max-width:700px;margin:0;color:#667879;font-size:14px;line-height:1.75}
.board-surface,.story-reader{padding:clamp(17px,3.2vw,34px);border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:0 15px 42px #284c3d0a}.surface-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:15px;margin-bottom:19px}.surface-eyebrow{display:flex;align-items:center;gap:9px;color:#718181;font-size:11px}.surface-heading h2{margin:3px 0 0;font-size:23px;line-height:1.25}.surface-note{color:#85918e;font-size:11px}.live-dot{display:inline-block;box-shadow:0 0 0 3px #53b98520}
.chat-messages{display:flex;min-height:clamp(230px,43vh,490px);max-height:62vh;flex-direction:column;gap:10px;overflow-y:auto;overscroll-behavior:contain;padding:2px 3px 15px;scrollbar-color:#c8d7d2 transparent;scrollbar-width:thin}.empty-state{display:grid;place-items:center;min-height:140px;padding:20px;color:#879492;text-align:center;font-size:13px}
.message-row{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:9px;max-width:100%}.message-avatar{display:grid;width:31px;aspect-ratio:1;place-items:center;border-radius:50%;background:#e7f3ef;color:#388679;font-size:12px;font-weight:750}.message-content{min-width:0}.message-meta{display:flex;align-items:baseline;gap:8px;color:#87928f;font-size:10px}.message-meta strong{color:#3d5f5b;font-size:11px}.message-bubble{width:fit-content;max-width:min(100%,730px);margin-top:3px;padding:9px 12px;border-radius:4px 13px 13px;background:#f1f6f4;color:#2d3938;overflow-wrap:anywhere;white-space:pre-wrap;font-size:13px;line-height:1.7}.message-media{display:flex;flex-wrap:wrap;gap:7px;margin-top:7px}.message-media img{display:block;width:min(220px,36vw);max-height:200px;object-fit:cover;border-radius:7px;background:#eff3f2}.message-media video{display:block;width:min(280px,56vw);max-height:220px;border-radius:7px;background:#172222}.media-caption{color:#8a9492;font-size:10px}
.compose-form{display:grid;gap:11px;margin-top:14px;padding:15px;border:1px solid #e3ebe7;border-radius:7px;background:#fbfcfb}.compose-meta,.compose-bottom,.media-actions,.feed-heading,.reader-topline,.board-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.alias-button{display:flex;align-items:center;gap:7px;padding:4px 8px;border:1px solid #e1eae6;border-radius:999px;background:#fff;color:#49645f;font-size:11px;cursor:pointer}.alias-dot{width:7px;height:7px;border-radius:50%;background:#ed9280}.char-count,.form-status{color:#84908e;font-size:10px}.compose-form>textarea,.story-compose textarea,.contact-dialog textarea{width:100%;min-height:70px;resize:vertical;padding:10px 12px;border:1px solid #dfe7e4;border-radius:5px;background:#fff;outline:none;font-size:14px;line-height:1.65}.compose-form textarea:focus,.story-compose textarea:focus,.compose-form input:focus{border-color:#6fa99c;box-shadow:0 0 0 3px #75b9aa20}.primary-button,.dialog-accept{display:inline-flex;min-height:39px;align-items:center;justify-content:center;gap:8px;padding:0 15px;border:0;border-radius:5px;background:#1d6f69;color:#fff;text-decoration:none;font-size:12px;font-weight:750;cursor:pointer;transition:background .18s,transform .18s}.primary-button:hover,.dialog-accept:hover{background:#21877c;transform:translateY(-1px)}.primary-button:disabled,.dialog-accept:disabled{opacity:.48;cursor:not-allowed;transform:none}.page-kind-reminder{margin:14px 1px;color:#788581;font-size:11px;line-height:1.7}.board-footer{margin-top:26px;padding-top:14px;border-top:1px solid #dfe7e4;color:#87918f;font-size:10px}.board-footer button{padding:0;border:0;background:none;color:#4e837b;cursor:pointer;font-size:10px}.board-footer a{color:#4e837b;text-decoration:none}
.media-controls{display:grid;gap:8px}.media-actions{justify-content:flex-start}.attachment-button{padding:6px 10px;border:1px solid #d6e4df;border-radius:4px;background:#fff;color:#3b766d;font-size:11px;cursor:pointer}.selected-media{display:flex;flex-wrap:wrap;gap:8px}.selected-media:empty{display:none}.media-preview{position:relative;width:92px;height:76px;overflow:hidden;border:1px solid #dce6e2;border-radius:5px;background:#f4f7f5}.media-preview img,.media-preview video{width:100%;height:100%;object-fit:cover}.media-preview button{position:absolute;top:3px;right:3px;width:21px;height:21px;border:0;border-radius:50%;background:#172625d9;color:#fff;line-height:1;cursor:pointer}.media-preview span{position:absolute;left:3px;bottom:3px;padding:2px 4px;border-radius:3px;background:#fff;color:#354846;font-size:8px}.media-guidance{margin:0;color:#87918f;font-size:10px}.upload-progress{width:100%;height:4px;accent-color:#248275}
.tree-surface>.compose-form>label{color:#566b68;font-size:12px;font-weight:650}.tree-surface select,.feed-heading select,.term-compose input{min-height:37px;padding:5px 9px;border:1px solid #dfe7e4;border-radius:4px;background:#fff;font-size:12px}.feed-heading{margin:20px 0 9px;color:#637370;font-size:11px}.post-list{display:grid;gap:11px}.post-card{padding:15px;border:1px solid #e7ece9;border-left:3px solid #ed9381;border-radius:5px;background:#fff}.post-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:7px;color:#87928f;font-size:10px}.category-pill{padding:3px 7px;border-radius:999px;background:#fff1e9;color:#ac654b}.post-message{color:#334340;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8}.comments-list{display:grid;gap:5px;margin-top:10px;padding-top:9px;border-top:1px solid #edf0ee}.comment-item{color:#647370;font-size:11px;line-height:1.65}.comment-form{display:flex;gap:7px;margin-top:10px}.comment-form input{flex:1;min-width:0;min-height:34px;padding:5px 8px;border:1px solid #dfe7e4;border-radius:4px;font-size:11px}.comment-form button{padding:5px 10px;border:0;border-radius:4px;background:#e6f3ef;color:#39746c;font-size:11px;cursor:pointer}
.story-page{width:min(850px,100%)}.story-heading{margin-bottom:20px}.story-reader{padding:clamp(22px,5vw,52px);background:#fffefa;border-color:#eee8db}.reader-topline{padding-bottom:11px;border-bottom:1px solid #ebe7de;color:#78817c;font-size:10px}.chapter-label{font-weight:750;color:#986d54}.chapter-count{font-variant-numeric:tabular-nums}.story-text{min-height:170px;max-height:min(60dvh,690px);overflow:auto;overscroll-behavior:contain;padding:9px 4px 18px;scrollbar-width:thin;scrollbar-color:#d8cec1 transparent}.story-fragment{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;padding:15px 0;border-bottom:1px solid #f1eee8;animation:fragment-in .38s ease both}.story-fragment-index{padding-top:3px;color:#9b9890;font:11px/1.5 Georgia,serif}.story-fragment-text{color:var(--chapter-color,#b5524f);font-family:Georgia,"Songti SC","STSong",serif;font-size:17px;line-height:1.95;overflow-wrap:anywhere;white-space:pre-wrap}.story-fragment.tone-0{--chapter-color:#b95054}.story-fragment.tone-1{--chapter-color:#3876a8}.story-fragment.tone-2{--chapter-color:#438168}.story-fragment.tone-3{--chapter-color:#8a63a3}.story-fragment.seed .story-fragment-text{font-weight:650}.older-button{display:block;margin:10px auto;padding:6px 10px;border:1px solid #e6e0d7;border-radius:4px;background:#fff;color:#766f64;font-size:11px;cursor:pointer}.story-compose{display:grid;gap:9px;margin-top:13px;padding-top:16px;border-top:1px solid #ebe7de}.story-compose label{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.story-compose label span{font-size:13px;font-weight:750}.story-compose label small{color:#858b82;font-size:10px}.story-compose textarea{min-height:83px;background:#fff}
.term-compose{margin-bottom:18px}.term-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.term-fields>label{position:relative;display:grid;gap:5px;color:#566b68;font-size:11px;font-weight:700}.term-fields>label span,.term-fields>label small{position:absolute;top:0;right:0;color:#98a29f;font-size:9px;font-weight:450}.term-fields input{width:100%;padding-inline:10px}.sort-control{display:flex;gap:3px;padding:3px;border-radius:5px;background:#f1f5f3}.sort-control button{min-height:29px;padding:4px 9px;border:0;border-radius:4px;background:transparent;color:#6b7b77;font-size:10px;cursor:pointer}.sort-control button[aria-pressed=true]{background:#fff;color:#246d66;box-shadow:0 1px 3px #3146401a}.term-cloud{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.term-card{display:flex;min-width:0;min-height:116px;flex-direction:column;justify-content:space-between;padding:13px;border:1px solid #e4ebe8;border-radius:5px;background:linear-gradient(140deg,#fff,#f7faf8)}.term-card-title{color:#314944;font-size:14px;font-weight:750;line-height:1.45;overflow-wrap:anywhere}.term-card-note{margin-top:5px;color:#778581;font-size:10px;line-height:1.6}.term-card-foot{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:11px;color:#98a19f;font-size:9px}.like-term{padding:5px 8px;border:1px solid #dce9e4;border-radius:999px;background:#fff;color:#397b70;font-size:9px;cursor:pointer}.like-term[aria-pressed=true],.like-term:disabled{background:#e5f3ee;color:#639088;cursor:default}.sort-control button:focus-visible,.like-term:focus-visible,.primary-button:focus-visible,.board-nav a:focus-visible,.attachment-button:focus-visible{outline:3px solid #71a99e;outline-offset:2px}
.games-page .page-heading{margin-bottom:18px}.games-page .games-hub{min-height:420px}.game-loading{display:grid;min-height:400px;place-content:center;justify-items:center;gap:8px;color:#55716c;text-align:center}.game-loading strong{font-size:15px}.game-loading small{color:#89938f;font-size:11px}.loading-orbit{width:41px;aspect-ratio:1;border:3px solid #d9e9e3;border-top-color:#278b7d;border-radius:50%;animation:spin .8s linear infinite}.game-ready-screen{display:flex;align-items:center;gap:10px;margin:0 0 12px;padding:11px 14px;border:1px solid #dcebe4;border-radius:7px;background:#f5faf7;color:#427b6c}.game-ready-mark{display:grid;width:29px;aspect-ratio:1;place-items:center;border-radius:50%;background:#dff3e8;font-size:14px}.game-ready-screen strong,.game-ready-screen small{display:block}.game-ready-screen strong{font-size:11px}.game-ready-screen small{color:#81918a;font-size:9px}
.rules-dialog{position:fixed;width:min(520px,calc(100% - 30px));max-height:min(90dvh,760px);overflow:auto;padding:25px 27px 20px;border:1px solid #dfe7e4;border-radius:8px;background:#fff;color:var(--ink);box-shadow:0 22px 70px #17251f38}.rules-dialog::backdrop{background:#1f302b66;backdrop-filter:blur(3px)}.dialog-close{position:absolute;top:11px;right:12px;width:31px;height:31px;border:1px solid #e2e9e6;border-radius:50%;background:#f5f8f6;font-size:20px;cursor:pointer}.dialog-mark{color:var(--coral);font-size:23px}.dialog-kicker{margin-top:8px;color:#70807c;font-size:11px}.rules-dialog h2{margin:4px 0 10px;font-size:26px;line-height:1.25}.rules-dialog h2 em{color:var(--coral);font-style:normal}.policy-text,.rules-scroll{color:#697875;font-size:11px;line-height:1.7}.policy-text{padding:9px;border-radius:5px;background:#f4f8f6}.rules-scroll{max-height:27vh;overflow:auto}.rules-scroll ul{display:grid;gap:7px;padding-left:18px}.rules-scroll p{font-size:10px}.consent-label{display:flex;gap:9px;align-items:flex-start;margin:12px 0;padding:10px;border-radius:5px;background:#fff8e8;font-size:11px}.consent-label input{flex:none;margin:2px 0;accent-color:#278779}.dialog-accept{width:100%}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.toast{position:fixed;z-index:20;bottom:17px;left:50%;max-width:calc(100% - 28px);padding:10px 14px;transform:translate(-50%,14px);border-radius:5px;background:#253c38;color:white;font-size:11px;text-align:center;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.toast.visible{transform:translate(-50%,0);opacity:1}
@keyframes fragment-in{from{opacity:0;translate:0 8px}to{opacity:1;translate:0 0}}@keyframes spin{to{rotate:360deg}}
@media(max-width:760px){.board-topbar{flex-wrap:wrap;gap:4px 10px;min-height:60px;padding:6px 12px}.board-brand{font-size:12px}.board-brand img{width:31px;height:31px}.board-brand small{font-size:9px}.board-tools{margin-left:auto;gap:6px}.board-presence{font-size:9px}.sound-button{min-height:30px;padding:4px 8px;font-size:9px}.admin-link{font-size:10px}.board-nav{order:3;width:100%;justify-content:flex-start;overflow:auto;padding:2px 0;scrollbar-width:none}.board-nav::-webkit-scrollbar{display:none}.board-nav a{padding:5px 9px;font-size:10px}.board-page{min-height:calc(100dvh - 93px);padding:13px 14px 26px}.page-heading{margin:20px auto 16px}.page-heading h1{font-size:30px}.page-heading p{font-size:12px}.surface-heading{align-items:flex-start;flex-direction:column;gap:7px;margin-bottom:13px}.surface-heading h2{font-size:20px}.surface-note{font-size:9px}.board-surface{padding:16px 13px}.chat-messages{min-height:230px;max-height:58dvh}.compose-form{padding:11px}.compose-form>textarea{min-height:67px;font-size:14px}.compose-bottom{align-items:flex-end}.primary-button{min-height:38px;padding-inline:12px;font-size:11px}.message-media img{width:min(170px,40vw);max-height:150px}.term-fields{grid-template-columns:1fr}.term-cloud{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.term-card{min-height:110px;padding:10px}.term-card-title{font-size:12px}.story-reader{padding:20px 14px}.story-fragment{grid-template-columns:27px minmax(0,1fr);gap:8px;padding:12px 0}.story-fragment-text{font-size:15px;line-height:1.9}.story-compose label{display:grid;gap:2px}.story-compose textarea{font-size:14px}.board-footer{flex-wrap:wrap;justify-content:flex-start;font-size:9px}.board-footer>*:last-child{margin-left:auto}.games-page .games-hub{min-height:340px}}
@media(max-width:370px){.board-presence{display:none}.board-nav{gap:0}.board-nav a{padding-inline:7px}.term-cloud{grid-template-columns:1fr}.sort-control button{padding-inline:7px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}