:root{--paper:#f7f4eb;--ink:#243e34;--muted:#767d6e;--red:#af4e3f;--line:#dfdfd1;--serif:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",SimSun,Georgia,serif;--sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--sans);margin:0;font-size:14px;line-height:1.7}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.45}button,input,textarea{-webkit-tap-highlight-color:transparent}button{background:0 0;border:0}button:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:4px;outline:3px solid #b88b46}main:focus{outline:none}h1,h2,h3,p{margin:0}button{transition:background .2s,transform .2s,border-color .2s}button:not(:disabled):active{transform:translateY(1px)}::selection{color:#263f36;background:#e8cbb0}.site-shell{flex-direction:column;max-width:1440px;min-height:100dvh;margin:auto;padding:0 64px;display:flex}.site-header{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;height:110px;display:flex}.brand{text-align:left;align-items:center;gap:12px;padding:0;display:flex}.brand svg{width:32px;height:42px}.brand>span{font-family:var(--serif);letter-spacing:4px;font-size:28px;font-weight:800;line-height:1.1}.brand small{font:8px/1 var(--sans);letter-spacing:2px;margin-top:8px;display:block}.site-header nav{align-items:center;gap:30px;display:flex}.site-header nav button{letter-spacing:1px;padding:10px 2px;font-size:13px}.nav-star{color:#a58c60;margin-left:8px;display:inline-block}.site-header nav .nav-mine{border:1px solid #b9c0ad;border-radius:5px;padding:10px 20px}.nav-mine span{margin-left:18px}.main-layout{flex:1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:66px;padding:42px 0 24px;display:grid}.story-panel{min-width:0;padding:12px 0;position:relative}.eyebrow{letter-spacing:2.2px;color:#687b65;align-items:center;gap:9px;margin-bottom:27px;font-size:10px;font-weight:600;display:flex}.tiny-star{color:#a4804b;font-size:22px;line-height:1}.home-content h1{font-family:var(--serif);letter-spacing:1px;font-size:clamp(32px,3.45vw,49px);font-weight:600;line-height:1.55}.title-you{color:var(--red);display:inline-block;position:relative}.title-you svg{width:108%;height:10px;position:absolute;bottom:2px;left:-3%}.lead{color:#747b6a;margin-top:23px;font-size:14px;line-height:2.1}.home-actions{flex-wrap:wrap;align-items:center;gap:22px;margin-top:33px;display:flex}.btn{letter-spacing:1px;border-radius:5px;justify-content:space-between;align-items:center;gap:28px;min-height:54px;padding:13px 23px;font-size:14px;font-weight:500;display:inline-flex}.btn.primary{background:var(--red);color:#fff9e8;border:1px solid var(--red);box-shadow:0 3px #913b30}.btn.primary:hover:not(:disabled){background:#984234;border-color:#984234}.btn span{font-size:20px;font-weight:400}.btn.full{width:100%}.text-btn{border-bottom:1px solid #b4bdaa;padding:9px 0;font-size:12px;line-height:1.4}.text-btn:hover{color:var(--red);border-color:var(--red)}.home-actions .text-btn{white-space:nowrap;padding:8px 0}.small-promise{color:#8a8e7e;letter-spacing:.5px;margin-top:19px;font-size:10px}.small-promise span{color:#a28757;margin-right:5px;font-size:15px}.how-strip{border-top:1px solid var(--line);align-items:center;gap:20px;margin-top:53px;padding-top:24px;display:flex}.how-strip>div{flex-direction:column;gap:7px;display:flex}.how-strip b{color:#a6865b;font-family:Georgia,serif;font-size:20px;font-style:italic;font-weight:400}.how-strip span{white-space:nowrap;color:#697862;font-size:11px}.how-strip i{background:#d8dacb;width:24px;min-width:10px;height:1px}.handwritten{font-family:var(--serif);color:#8c907e;letter-spacing:1px;margin-top:31px;font-size:13px}.visual-panel{min-width:0}.tree-scene{--leaf-light:#42765d;--leaf-dark:#244f40;color:#e8dcc4;background:#1c3c34;border-radius:160px 160px 12px 12px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #f4e4bb14}.tree-scene.theme-snow{--leaf-light:#598389;--leaf-dark:#34545f;background:#233b49}.tree-scene.theme-berry{--leaf-light:#537a5d;--leaf-dark:#355444;background:#493837}.scene-top{letter-spacing:1px;z-index:3;justify-content:center;align-items:center;gap:7px;font-size:10px;display:flex;position:absolute;top:28px;left:0;right:0}.scene-dot{background:#cfb778;border-radius:50%;width:4px;height:4px}.scene-year{display:none}.tree-canvas{aspect-ratio:560/640;width:100%;margin-top:16px;position:relative}.tree-art{width:100%;height:100%;display:block}.scene-bottom{z-index:3;letter-spacing:.8px;color:#d1d1b4;border-top:1px solid #eee1bc1f;justify-content:space-between;margin:0 25px;padding:14px 0 15px;font-size:9px;display:flex;position:relative}.tree-legend{color:#828a75;flex-wrap:wrap;justify-content:center;gap:17px;margin-top:17px;font-size:9px;display:flex}.tree-legend>span{align-items:center;gap:6px;display:flex}.tree-legend i{border-radius:50%;width:5px;height:5px}.legend-gold{background:#bf9e59}.legend-green{background:#6f8f70}.legend-red{background:#bf8069}.snowfall{pointer-events:none;z-index:1;position:absolute;inset:0;overflow:hidden}.snowfall i{left:var(--x);width:var(--size);height:var(--size);opacity:.35;animation:snow var(--duration) var(--delay) linear infinite;background:#f6ecd6;border-radius:100%;position:absolute;top:-10px}.tree-lights circle{filter:drop-shadow(0 0 4px #ffdb80);animation:3s ease-in-out infinite twinkle}.star-halo{animation:3s ease-in-out infinite twinkle}.ornament{z-index:2;width:56px;animation:sway 6s var(--swing-delay) ease-in-out infinite;transform-origin:50% -12px;flex-direction:column;align-items:center;padding:0;display:flex;position:absolute;transform:translate(-50%,-50%)}.ornament:not(:disabled):active{transform:translate(-50%,-50%)scale(.96)}.ornament-string{background:#ddc395;width:1px;height:9px}.ornament-ball{background:radial-gradient(at 30% 25%,#fff2c7,#c1a46d);border:1px solid #eedcb0;border-radius:50%;place-items:center;width:38px;height:38px;font-size:23px;display:grid;position:relative;box-shadow:0 4px 8px #0a241d55}.ornament-ball:before{content:"";background:#b5a079;border:1px solid #ebd7a9;border-radius:2px 2px 0 0;width:9px;height:5px;position:absolute;top:-5px;left:13px}.ornament-name{color:#faf3dc;text-shadow:0 1px 3px #132f24;overflow-wrap:anywhere;max-width:80px;margin-top:3px;padding:1px 5px 2px;font-size:10px;font-weight:500;line-height:1.2}.ornament-name small{font:8px/1.6 var(--sans);color:#c1caac;display:block}.ornament:hover .ornament-ball,.ornament.is-you .ornament-ball{box-shadow:0 0 0 3px #efd9aa77,0 0 24px #edc77788}.ornament.is-you:after{content:"你在这里";white-space:nowrap;color:#65472b;background:#f2e1b9;border-radius:20px;padding:2px 9px;font-size:9px;position:absolute;bottom:-15px;left:50%;transform:translate(-50%)}.empty-tree-note{text-align:center;color:#e5d9bdcc;letter-spacing:1px;pointer-events:none;font-size:10px;position:absolute;top:55%;left:8%;right:8%}.empty-tree-note span{margin-bottom:6px;font-size:32px;display:block}.back-link{color:#7a8472;margin-bottom:20px;padding:4px 0;font-size:12px;display:inline-block}.form-content .eyebrow,.invite-content .eyebrow{margin-bottom:14px}.section-title{font-family:var(--serif);letter-spacing:.5px;font-size:clamp(30px,3vw,42px);font-weight:600;line-height:1.55}.muted{color:#76806e;margin-top:15px;font-size:13px;line-height:1.9}.field-label{justify-content:space-between;align-items:center;margin:23px 0 9px;font-size:12px;font-weight:500;display:flex}.field-label span{color:#949887;font-size:10px;font-weight:400}.text-input{width:100%;min-height:48px;color:var(--ink);resize:vertical;background:#fffdf6;border:1px solid #d9dece;border-radius:5px;padding:13px 14px;font-size:13px;display:block}.text-input::placeholder{color:#a0a496}.text-input:focus{outline-offset:2px;border-color:#6c8163}.emoji-picker{flex-wrap:wrap;gap:7px;margin:10px 0 18px;display:flex}.emoji-picker button{background:#fffdf6;border:1px solid #dde0d2;border-radius:50%;place-items:center;width:44px;height:44px;font-size:24px;display:grid}.emoji-picker button:hover{background:#f0ecdd}.emoji-picker button.selected{background:#e5eadb;border-color:#506b53;box-shadow:0 0 0 1px #506b53}.theme-picker{flex-wrap:wrap;gap:8px;display:flex}.theme-picker button{border:1px solid #dce0d0;border-radius:4px;align-items:center;gap:7px;padding:8px 12px;font-size:11px;display:flex}.theme-picker .selected{background:#e8ecdd;border-color:#607958}.swatch{border-radius:50%;width:12px;height:12px}.swatch.forest{background:#38644c}.swatch.snow{background:#567580}.swatch.berry{background:#8f5e57}.form-content .btn{margin-top:27px}.form-content .muted{margin-top:10px}.form-content .field-label{margin-top:18px}.form-content .section-title{font-size:36px}.question-layout{align-items:start}.question-content{padding:3px 0 12px}.question-nav{color:#838b78;letter-spacing:.5px;justify-content:space-between;align-items:center;font-size:10px;display:flex}.question-nav .back-link{margin:0}.question-progress{color:#7b856f;letter-spacing:1px;justify-content:space-between;align-items:baseline;margin-top:28px;font-size:10px;display:flex}.question-progress b{color:#37533f;margin-left:10px;font:25px/1 Georgia,serif}.question-progress em{color:#9da18f;margin-left:7px;font-style:normal}.question-progress>span:last-child{letter-spacing:0;font-size:11px}.progress-track{background:#e0e3d5;border-radius:5px;height:3px;margin-top:12px;overflow:hidden}.progress-track i{background:#a9b18a;height:100%;transition:width .3s;display:block}.question-emoji{margin-top:25px;margin-bottom:12px;font-size:35px;display:block}.question-title{font-family:var(--serif);min-height:100px;font-size:clamp(23px,2.3vw,31px);font-weight:600;line-height:1.65}.answer-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:23px;display:grid}.answer-card{text-align:left;background:#fffdf6;border:1px solid #d9dfcd;border-radius:6px;flex-direction:column;gap:7px;min-height:128px;padding:17px 14px 14px;font-size:12px;line-height:1.6;display:flex;position:relative}.answer-card:hover:not(:disabled){background:#edf0e3;border-color:#a3b493}.answer-letter{color:#b6bca9;font:11px Georgia,serif;position:absolute;top:12px;right:13px}.answer-emoji{font-size:23px;line-height:1.2}.answer-card.chosen{background:#e7ecdb;border-color:#647c51;box-shadow:0 0 0 1px #647c51}.answer-check{color:#657e50;font-size:12px;display:none;position:absolute;bottom:5px;right:9px}.chosen .answer-check{display:block}.question-tip{color:#8a917b;margin:18px 0;font-size:10px}.question-content .btn{margin-top:4px}.invite-from{border-top:1px solid var(--line);align-items:center;gap:13px;margin:23px 0 25px;padding-top:23px;display:flex}.invite-from>span:first-child{background:#eae7d7;border-radius:50%;place-items:center;width:48px;height:48px;font-size:29px;display:grid}.invite-from>div{font-family:var(--serif);font-size:19px;font-weight:600}.invite-from small{font:10px/1.8 var(--sans);color:#838a75;margin-top:4px;display:block}.postmark{color:#aaa07f;letter-spacing:2px;border:1px solid #b4ad90;border-radius:50%;margin-left:auto;padding:10px;font:8px/1.5 Georgia,serif;transform:rotate(13deg)}.accent{color:var(--red)}blockquote{font:13px/1.9 var(--serif);color:#73816a;background:#edecdf;border-left:2px solid #b3af8f;margin:22px 0 27px;padding:14px 18px}.invite-content .btn{margin-top:15px}.privacy-note{color:#8b917f;margin:16px 0;font-size:10px;line-height:1.9}.result-badge{color:#687a4e;background:#e7ead8;border-radius:25px;align-items:center;margin:0 0 21px;padding:7px 14px;font-size:11px;display:inline-flex}.result-content .section-title{font-size:38px}.score-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);align-items:center;gap:28px;margin:29px 0 32px;padding:20px 0;display:flex}.score-line strong{letter-spacing:-5px;color:#a04b3b;font:80px/1 Georgia,serif}.score-line strong small{letter-spacing:0;color:#999a83;margin-left:14px;font-size:23px}.score-line>span{color:#7b856d;font-size:12px;line-height:2}.result-actions>div{justify-content:space-between;gap:10px;margin-top:14px;display:flex}.board-content>.btn{margin-top:23px}.board-head{justify-content:space-between;align-items:center;margin:27px 0 11px;display:flex}.board-head h2{font-size:13px;font-weight:500}.board-head h2 span{color:#a2aa90;margin-left:9px;font:14px Georgia,serif}.friend-list{scrollbar-width:thin;scrollbar-color:#c9d0bb transparent;max-height:290px;overflow:auto}.friend-row{text-align:left;border-top:1px solid #e3e5d7;align-items:center;gap:13px;width:100%;padding:12px 3px;display:flex}.friend-row:hover{background:#eff0e3}.rank{color:#aaa88b;width:19px;font:11px Georgia,serif}.friend-avatar{background:#e8e8d6;border-radius:50%;place-items:center;width:36px;height:36px;font-size:23px;display:grid}.friend-detail{flex-direction:column;flex:1;min-width:0;display:flex}.friend-detail b{overflow-wrap:anywhere;font-size:12px;font-weight:500}.friend-detail small{color:#959c83;font-size:9px}.friend-row>strong{color:#6d7c5b;font:22px/1 Georgia,serif}.friend-row>strong small{color:#a5aa94;margin-left:3px;font-size:10px}.empty-list{text-align:center;color:#959b86;padding:22px;font-size:12px;line-height:1.9}.empty-list>span{margin-bottom:10px;font-size:34px;display:block}.board-content .section-title{font-size:36px}.site-footer{border-top:1px solid var(--line);color:#9ba08d;letter-spacing:.4px;justify-content:space-between;align-items:center;gap:15px;margin-top:10px;padding:22px 0 25px;font-size:9px;display:flex}.site-footer>span:last-child{letter-spacing:1.1px;font-size:8px}.site-footer i{color:#b17861;font-style:normal}.toast{z-index:50;color:#fff5df;text-align:center;background:#294c3e;border:1px solid #647d65;border-radius:6px;width:max-content;max-width:calc(100% - 32px);padding:13px 24px;font-size:12px;position:fixed;bottom:32px;left:50%;transform:translate(-50%);box-shadow:0 5px 30px #203a3326}.error-message{color:#a04d3b;background:#fff1e6;border:1px solid #d6a390;border-radius:5px;margin-top:17px;padding:12px 15px;font-size:12px;line-height:1.8}.modal{background:var(--paper);color:var(--ink);scrollbar-width:thin;border:1px solid #d9d7c4;border-radius:13px;width:min(520px,100% - 30px);max-height:85dvh;padding:28px;position:fixed;inset:0;overflow:auto;box-shadow:0 20px 80px #0c282944}.modal::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#112d28a1}.modal-head{justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px;display:flex}.modal-head h2{font:600 23px/1.5 var(--serif)}.icon-btn{border:1px solid #d9dfce;border-radius:50%;width:32px;height:32px;font-size:22px;line-height:1}.help-steps p{color:#79836c;border-bottom:1px solid #dfe1d2;padding:14px 0;font-size:12px}.help-steps b{color:#41583b;margin-bottom:6px;font-size:13px;font-weight:500;display:block}.modal .btn{margin-top:13px}.my-tree-list{flex-direction:column;gap:8px;margin-bottom:20px;display:flex}.my-tree-list button{text-align:left;background:#eceedf;border-radius:5px;align-items:center;gap:13px;padding:14px;display:flex}.my-tree-list b{flex:1;font-size:13px;font-weight:500}.my-tree-list span:first-child{font-size:24px}.share-input{font-size:12px}.answer-review>div{border-top:1px solid #dfe2d3;gap:11px;padding:16px 0;display:flex}.answer-review h3{margin-bottom:9px;font-size:13px;font-weight:500;line-height:1.8}.answer-review p{color:#939780;font-size:11px;line-height:1.9}.answer-review .correct-answer{color:#628254}.answer-review .right{color:#6f8c55;font-weight:600}.answer-review .wrong{color:#a88967}.friend-card{text-align:center}.friend-card>span{font-size:64px}.friend-card h3{font:600 25px/1.7 var(--serif);overflow-wrap:anywhere}.friend-card>p{color:#7c886a;font-size:12px}.friend-card>strong{color:var(--red);font:65px/1.5 Georgia,serif;display:block}.friend-card small{color:#acb198;font-size:22px}.enter{animation:.4s ease-out both enter}@keyframes enter{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes snow{to{transform:translate(15px,700px)}}@keyframes twinkle{50%{opacity:.45}}@keyframes sway{0%,to{rotate:-2deg}50%{rotate:2deg}}@media (min-width:1400px){.site-shell{padding:0 80px}.main-layout{gap:85px}.tree-scene{max-width:550px;margin-left:auto}.home-actions{gap:27px}.home-actions .btn{min-width:235px}}@media (max-width:1100px){.site-shell{padding:0 35px}.main-layout{gap:35px}.home-content h1{font-size:36px}.home-actions{gap:16px}.home-actions .btn{gap:15px;padding:12px 18px;font-size:12px}.home-actions .text-btn{font-size:11px}.how-strip{gap:13px}.how-strip i{width:17px}.how-strip span{font-size:10px}.scene-top{font-size:9px;top:22px}.tree-legend{gap:10px;font-size:8px}.answer-card{min-height:136px}.section-title{font-size:34px}.score-line{gap:20px}}@media (max-width:760px){.site-shell{padding:0 23px}.site-header{height:86px}.brand svg{width:26px;height:34px}.brand>span{font-size:23px}.brand small{letter-spacing:1.4px;margin-top:6px;font-size:6px}.site-header nav{gap:18px}.site-header nav button{font-size:11px}.site-header nav .nav-mine{padding:7px 11px}.nav-mine span{margin-left:9px}.main-layout{flex:initial;grid-template-columns:1fr;gap:27px;padding:30px 0 20px}.story-panel{padding:0}.eyebrow{letter-spacing:1.6px;margin-bottom:18px;font-size:9px}.home-content h1{font-size:clamp(32px,7.5vw,44px);line-height:1.6}.lead{margin-top:16px;font-size:12px;line-height:2}.home-actions{gap:21px;margin-top:24px}.home-actions .btn{min-width:190px;min-height:51px;font-size:12px}.small-promise{margin-top:15px;font-size:9px}.how-strip{gap:20px;margin-top:26px;padding-top:19px}.how-strip>div{gap:4px}.how-strip i{width:30px}.how-strip span{font-size:10px}.how-strip b{font-size:19px}.handwritten{margin-top:22px;font-size:11px}.visual-panel{width:100%;max-width:510px;margin:auto}.tree-scene{border-radius:150px 150px 10px 10px}.tree-canvas{margin-top:9px}.scene-top{font-size:10px;top:25px}.scene-bottom{font-size:9px}.tree-legend{margin-top:13px;font-size:9px}.site-footer{flex-direction:column;align-items:flex-start;gap:8px;margin-top:6px;padding:18px 0;font-size:8px}.site-footer>span:last-child{letter-spacing:.8px;font-size:7px}.question-layout .visual-panel{display:none}.question-layout{min-height:calc(100dvh - 190px);padding-top:23px}.question-content{padding:0}.question-nav{font-size:10px}.question-progress{margin-top:23px}.question-emoji{margin-top:23px;margin-bottom:10px;font-size:34px}.question-title{min-height:87px;font-size:26px}.answer-grid{gap:10px;margin-top:20px}.answer-card{min-height:132px;padding:15px 13px;font-size:12px}.answer-emoji{font-size:25px}.question-tip{margin:18px 0;font-size:10px}.question-content .btn{margin:0}.question-layout .story-panel{padding-bottom:5px}.section-title,.form-content .section-title,.result-content .section-title,.board-content .section-title{font-size:34px}.form-content .field-label{margin-top:20px}.form-content .btn{margin-top:25px}.emoji-picker{gap:8px}.emoji-picker button{width:40px;height:40px;font-size:23px}.theme-picker button{padding:8px 13px}.form-content .back-link,.invite-content .back-link{margin-bottom:18px}.form-content .eyebrow{margin-top:0}.invite-from{margin:20px 0}.score-line{margin:23px 0 25px}.score-line strong{font-size:75px}.result-actions>div .text-btn{font-size:11px}.board-head{margin-top:24px}.friend-list{max-height:350px}.modal{padding:22px}.modal-head h2{font-size:21px}.toast{padding:12px 17px;font-size:11px;bottom:20px}.desktop-break{display:none}}@media (max-width:370px){.site-shell{padding:0 17px}.site-header nav{gap:12px}.brand{gap:8px}.brand small{letter-spacing:1px}.home-actions{gap:16px}.home-actions .btn{min-width:167px;padding:12px 15px}.home-actions .text-btn{font-size:10px}.how-strip{gap:14px}.how-strip i{width:20px}.question-title{font-size:23px}.emoji-picker{gap:6px}.emoji-picker button{width:36px;height:36px;font-size:21px}.theme-picker{gap:6px}.theme-picker button{padding:8px 9px}.score-line{gap:17px}.score-line>span{font-size:11px}.scene-top{font-size:9px}.tree-legend{gap:9px;font-size:8px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.snowfall{display:none}}