@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;600;700;900&family=Noto+Sans+SC:wght@400;500;600&display=swap');
:root{--ink:#22342d;--green:#315d4d;--green2:#477765;--paper:#f7f3ea;--paper2:#efe8da;--red:#a64a3f;--gold:#bc8a46;--line:#dcd3c4;--white:#fffdf8;--shadow:0 18px 50px rgba(42,55,47,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;background-image:radial-gradient(circle at 15% 10%,rgba(157,137,98,.08),transparent 28%),linear-gradient(rgba(49,93,77,.025) 1px,transparent 1px);background-size:auto,100% 32px}.top{height:76px;padding:0 max(24px,calc((100% - 1200px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(247,243,234,.88);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink)}.seal{width:42px;height:42px;display:grid;place-items:center;background:var(--red);color:#fff7eb;font:700 24px 'Noto Serif SC';border-radius:4px;box-shadow:inset 0 0 0 3px rgba(255,255,255,.2);transform:rotate(-2deg)}.brand b{font:700 21px 'Noto Serif SC';letter-spacing:4px}.brand small{display:block;font-size:10px;color:#738078;letter-spacing:2px;margin-top:2px}.top nav{display:flex;gap:6px}.nav,.tab{border:0;background:transparent;color:#66736c;padding:10px 16px;border-radius:24px;cursor:pointer;font:500 14px inherit}.nav.active{background:var(--ink);color:white}.nav i{font-style:normal;background:var(--red);color:#fff;padding:1px 6px;border-radius:10px;font-size:10px;margin-left:4px}main{max-width:1200px;margin:auto;padding:44px 24px 80px}.view{display:none}.view.active{display:block}.hero{display:grid;grid-template-columns:1.5fr .8fr;gap:70px;align-items:end;margin:22px 0 46px}.eyebrow{color:var(--red);letter-spacing:3px;font-size:12px;font-weight:700}.hero h1,.page-title h1{font:900 clamp(38px,5vw,64px)/1.24 'Noto Serif SC';letter-spacing:2px;margin:12px 0;color:#263b33}.hero h1 em{color:var(--green2);font-style:normal;position:relative}.hero h1 em:after{content:'';height:7px;background:rgba(166,74,63,.18);position:absolute;left:0;right:0;bottom:4px}.hero>div>p{max-width:620px;color:#718078;line-height:1.9}.quote{border-left:1px solid var(--gold);padding:8px 0 8px 28px;display:flex;gap:12px;color:#65736c}.quote span{font:50px Georgia;color:var(--gold);line-height:.8}.quote p{font:500 16px/1.9 'Noto Serif SC';margin:0}.workspace{display:grid;grid-template-columns:1.65fr .75fr;gap:24px}.card{background:rgba(255,253,248,.88);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.editor,.guide{padding:28px}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.card-head>div{display:flex;align-items:center;gap:12px}.card-head h2{font:700 21px 'Noto Serif SC';margin:0}.card-head>span{color:#869087;font-size:12px}.step{width:29px;height:29px;border:1px solid var(--green2);border-radius:50%;display:grid;place-items:center;color:var(--green);font-size:11px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:8px}.tab{border-radius:0;padding:10px 4px;margin-right:20px}.tab.active{color:var(--green);font-weight:700;border-bottom:2px solid var(--green)}.pane{display:none}.pane.active{display:block}textarea{width:100%;height:310px;border:0;resize:vertical;padding:22px 3px;background:transparent;color:var(--ink);outline:none;font:16px/2 'Noto Serif SC';letter-spacing:.4px}textarea::placeholder{color:#a8aaa3}.actions{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px}.primary,.secondary,.ghost{border:0;cursor:pointer;font:600 14px inherit;border-radius:4px;padding:13px 20px}.primary{background:var(--green);color:white;box-shadow:0 7px 20px rgba(49,93,77,.2)}.primary:hover{background:#244c3e}.primary span{margin-left:18px}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#e2ece6;color:var(--green);width:100%;margin-top:14px}.ghost{background:transparent;color:#77827c}.guide ul{padding:0;margin:0;list-style:none}.guide li{padding:15px 0;border-bottom:1px dashed var(--line);display:flex;flex-direction:column;gap:5px}.guide li b{font:600 15px 'Noto Serif SC'}.guide li span{font-size:12px;color:#849087}.tip{background:#f2ecdf;border-left:3px solid var(--gold);padding:16px;margin-top:24px}.tip b{font:600 13px 'Noto Serif SC';color:#8c6336}.tip p{font:12px/1.7 'Noto Serif SC';color:#796f62;margin:8px 0 0}.drop{height:230px;border:1px dashed #a9b7ae;margin-top:20px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:9px;cursor:pointer;background:#f9f7f1}.drop.drag{border-color:var(--green);background:#edf3ef}.drop input{display:none}.drop small{color:#8b938e}.upload-icon{font-size:36px;font-weight:200;color:var(--green)}.previews{display:flex;gap:10px;overflow:auto;margin-top:12px}.preview{width:70px;height:70px;object-fit:cover;border-radius:4px;border:1px solid var(--line)}.result{margin-top:32px}.result-head{padding:34px;background:var(--green);color:white;border-radius:8px 8px 0 0}.result-head h2{font:700 30px 'Noto Serif SC';margin:5px 0 12px}.result-head p{line-height:1.8;color:#deebe5}.analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.analysis-card{background:var(--white);border:1px solid var(--line);border-radius:7px;padding:24px}.analysis-card.full{grid-column:1/-1}.analysis-card h3{font:700 19px 'Noto Serif SC';margin:0 0 16px;color:var(--green)}.analysis-card ul{margin:0;padding:0;list-style:none}.analysis-card li{padding:12px 0;border-bottom:1px dashed var(--line);line-height:1.75}.analysis-card li:last-child{border:0}.analysis-card q{font-family:'Noto Serif SC';font-weight:600;color:#344d43}.comment{display:block;color:#707d76;font-size:13px;margin-top:5px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#edf2ed;color:#315d4d;border-radius:30px;padding:8px 13px;font-size:13px}.page-title{text-align:center;margin:20px 0 42px}.page-title h1{font-size:48px;margin:10px}.page-title p{color:#7b867f}.works{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.work{padding:24px;cursor:pointer;transition:.25s}.work:hover{transform:translateY(-4px)}.work h3{font:700 19px 'Noto Serif SC';margin:12px 0}.work p{font:13px/1.75 'Noto Serif SC';color:#6f7a74;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.work time{font-size:11px;color:#9a9f9b}.empty{grid-column:1/-1;text-align:center;padding:70px;color:#8a928d}.style-layout{display:grid;grid-template-columns:.8fr 1.3fr;gap:24px}.style-layout>.card{padding:28px}.select-list{max-height:500px;overflow:auto;margin-bottom:20px}.select-item{display:flex;align-items:flex-start;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);cursor:pointer}.select-item input{accent-color:var(--green);margin-top:5px}.select-item b{font:600 15px 'Noto Serif SC'}.select-item small{display:block;color:#929992;margin-top:4px}.wide{width:100%}.style-empty{text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:420px;color:#879189}.style-empty>span{width:68px;height:68px;border:1px solid #b7c0ba;border-radius:50%;display:grid;place-items:center;font:32px 'Noto Serif SC';color:var(--green)}.style-content h2{font:700 30px 'Noto Serif SC';color:var(--green)}.style-section{margin:24px 0}.style-section h3{font:600 17px 'Noto Serif SC';border-bottom:1px solid var(--line);padding-bottom:10px}.style-section li{line-height:1.8;margin:8px 0}.template{white-space:pre-wrap;background:#eef2ec;padding:18px;border-left:3px solid var(--green);line-height:1.8}.hidden{display:none!important}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#273b33;color:#fff;padding:12px 20px;border-radius:4px;opacity:0;pointer-events:none;transition:.3s;z-index:50}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{background:#8c3e36}.loading{position:fixed;inset:0;background:rgba(247,243,234,.88);backdrop-filter:blur(5px);z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px}.loading small{color:#7d8781}.ink{width:50px;height:50px;border:2px solid #b8c1ba;border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}footer{max-width:1200px;margin:auto;border-top:1px solid var(--line);padding:24px;display:flex;justify-content:space-between;color:#90978f;font-size:11px}
@media(max-width:800px){.top{padding:0 14px;height:auto;min-height:70px;align-items:center}.brand small{display:none}.brand b{font-size:18px}.top nav{position:fixed;left:0;right:0;bottom:0;background:#fffdf8;border-top:1px solid var(--line);justify-content:space-around;padding:7px;z-index:30}.nav{font-size:12px;padding:10px 8px}.nav.active{background:var(--green)}main{padding:25px 14px 90px}.hero{grid-template-columns:1fr;margin:8px 0 28px;gap:15px}.hero h1{font-size:38px}.quote{display:none}.workspace,.style-layout{grid-template-columns:1fr}.guide{order:2}.editor,.guide,.style-layout>.card{padding:20px}.analysis-grid{grid-template-columns:1fr}.analysis-card.full{grid-column:auto}.works{grid-template-columns:1fr}.page-title h1{font-size:38px}.actions{gap:6px}.primary{padding:12px}.primary span{margin-left:7px}footer{padding-bottom:88px;flex-direction:column;gap:6px}.style-empty{min-height:300px}textarea{height:280px}}
@media(min-width:801px) and (max-width:1050px){.workspace{grid-template-columns:1.35fr .65fr}.works{grid-template-columns:repeat(2,1fr)}}.improve-layout{display:grid;grid-template-columns:.8fr 1.35fr;gap:24px}.improve-layout>.card{padding:28px}.compact{max-height:245px}.essay-label{margin-top:28px;margin-bottom:5px}.improve-input textarea{height:300px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:12px}.original-note{font-size:12px;line-height:1.7;color:#7c6c58;background:#f4ede0;border-left:3px solid var(--gold);padding:11px 13px;margin:5px 0 17px}.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.score{background:#f0f4f0;border:1px solid #dce5df;border-radius:6px;padding:14px}.score b{font:700 24px 'Noto Serif SC';color:var(--green);display:block}.score span{font-size:12px;color:#64746b}.compare-list{display:grid;gap:12px}.compare-item{padding:15px;border:1px solid var(--line);border-radius:6px;background:#fffdfa}.compare-item.good{border-left:4px solid #5d8a72}.compare-item.gap{border-left:4px solid var(--red)}.compare-item b{font-family:'Noto Serif SC'}.revision-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}.revision-pair>div{padding:14px;background:#f5f2eb;border-radius:5px;white-space:pre-wrap;line-height:1.75;font-family:'Noto Serif SC';font-size:13px}.revision-pair label{display:block;font:600 11px 'Noto Sans SC';letter-spacing:1px;color:#8b7965;margin-bottom:7px}.revised-essay{white-space:pre-wrap;font:15px/2 'Noto Serif SC';background:#fffdf8;border:1px solid var(--line);padding:24px;border-radius:6px}.copy-btn{float:right;border:1px solid var(--green);color:var(--green);background:transparent;border-radius:4px;padding:6px 11px;cursor:pointer}@media(max-width:800px){.improve-layout{grid-template-columns:1fr}.improve-layout>.card{padding:20px}.score-grid{grid-template-columns:repeat(2,1fr)}.revision-pair{grid-template-columns:1fr}.improve-input textarea{height:270px}.top{padding-right:8px}.top nav{overflow-x:auto;justify-content:flex-start}.nav{flex:0 0 auto}}
.project-switch{display:flex;align-items:center;gap:7px;margin-left:auto;margin-right:20px}.project-switch label{font-size:11px;color:#7d8881}.project-switch select{max-width:180px;border:1px solid var(--line);background:#fffdf8;color:var(--ink);padding:8px;border-radius:4px}.project-switch button{border:1px solid var(--green);background:transparent;color:var(--green);padding:8px 10px;border-radius:4px;cursor:pointer}.project-banner{display:flex;align-items:center;gap:12px;background:#e9efe9;border-left:3px solid var(--green);padding:11px 16px;margin-bottom:24px;border-radius:3px}.project-banner span{font-size:11px;letter-spacing:1px;color:var(--green)}.project-banner small{color:#76837b;margin-left:auto}.modal{position:fixed;inset:0;background:rgba(28,43,36,.56);z-index:80;display:grid;place-items:center;padding:18px}.modal-box{width:min(500px,100%);padding:32px;position:relative}.modal-box h2{font:700 27px 'Noto Serif SC';margin:9px 0}.modal-box p{color:#78837c;font-size:13px;line-height:1.7}.modal-box label{display:block;font-size:13px;margin:17px 0}.modal-box input,.modal-box textarea,.requirements{display:block;width:100%;margin-top:8px;border:1px solid var(--line);background:#fffdf8;padding:12px;color:var(--ink);font:14px inherit;border-radius:4px}.modal-box textarea{height:90px}.modal-close{position:absolute;right:15px;top:12px;border:0;background:transparent;font-size:25px;color:#718078;cursor:pointer}.generate-layout{display:grid;grid-template-columns:.85fr 1.35fr;gap:24px}.generate-layout>.card{padding:28px}.generate-input textarea{height:280px}.gen-tab{border:0;background:transparent;padding:10px 4px;margin-right:24px;color:#6d7972;cursor:pointer}.gen-tab.active{color:var(--green);font-weight:700;border-bottom:2px solid var(--green)}.gen-pane{display:none}.gen-pane.active{display:block}.type-row{display:flex;gap:24px;padding:14px 0}.type-row input{accent-color:var(--green)}.requirements{margin:0 0 12px}.generated-content{white-space:pre-wrap;font:16px/2 'Noto Serif SC';padding:24px;background:#fffdf8;border:1px solid var(--line);border-radius:6px}.ref-tag{font-size:10px;background:var(--green);color:white;padding:2px 6px;border-radius:9px;margin-right:5px}.shortcoming{border-left:4px solid var(--red);background:#fffaf6;padding:15px;margin:12px 0}.shortcoming b{color:#8d4038}.linked-ref{display:inline-block;color:var(--red);font-size:10px;border:1px solid #dcbab4;border-radius:10px;padding:1px 6px;margin-right:5px}@media(max-width:1050px){.top{flex-wrap:wrap;height:auto;padding-top:10px}.project-switch{order:3;width:100%;margin:8px 0 10px}.project-switch select{flex:1;max-width:none}}@media(max-width:800px){.generate-layout{grid-template-columns:1fr}.generate-layout>.card{padding:20px}.project-switch{position:static}.project-banner{align-items:flex-start;flex-wrap:wrap}.project-banner small{width:100%;margin:0}.top{padding-bottom:8px}}
.shell-page{max-width:1200px;margin:auto;padding:58px 24px 90px}.landing-hero{min-height:520px;display:grid;grid-template-columns:1.4fr .75fr;gap:70px;align-items:center}.landing-hero h1{font:900 clamp(43px,6vw,72px)/1.22 'Noto Serif SC';margin:15px 0;color:#263b33}.landing-hero h1 em{font-style:normal;color:var(--green2)}.landing-hero p{font-size:16px;line-height:2;color:#6e7b74;max-width:680px}.landing-actions{display:flex;gap:12px;margin-top:28px}.outline-btn{border:1px solid var(--green);color:var(--green);background:transparent;padding:13px 20px;border-radius:4px;cursor:pointer}.landing-paper{background:#fffdf8;border:1px solid var(--line);box-shadow:var(--shadow);padding:30px;transform:rotate(1deg)}.landing-paper>span{font:700 19px 'Noto Serif SC';color:var(--red)}.landing-paper ol{list-style:none;padding:0;margin:20px 0 0;counter-reset:path}.landing-paper li{counter-increment:path;padding:16px 0 16px 48px;border-top:1px dashed var(--line);position:relative}.landing-paper li:before{content:'0' counter(path);position:absolute;left:0;color:var(--gold);font-family:Georgia}.landing-paper b,.landing-paper small{display:block}.landing-paper small{color:#829087;margin-top:4px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-grid article{background:rgba(255,253,248,.8);border:1px solid var(--line);padding:26px}.feature-grid article>span{color:var(--red);font:18px Georgia}.feature-grid h3{font:700 19px 'Noto Serif SC'}.feature-grid p{color:#75817a;font-size:13px;line-height:1.8}.auth-wrap{min-height:620px;display:grid;grid-template-columns:1fr 440px;gap:70px;align-items:center}.auth-copy h1{font:900 60px 'Noto Serif SC';margin:14px 0}.auth-copy p{color:#718078}.auth-card{padding:34px}.auth-tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:25px}.auth-tabs button{flex:1;border:0;background:transparent;padding:13px;cursor:pointer;color:#7d8781}.auth-tabs button.active{color:var(--green);font-weight:700;border-bottom:2px solid var(--green)}.auth-card label{display:block;font-size:13px;margin:18px 0}.auth-card input{display:block;width:100%;margin-top:8px;border:1px solid var(--line);padding:13px;background:#fffdf8;font:14px inherit}.auth-hint{text-align:center;color:#8a928d;font-size:11px}.user-bar{display:flex;align-items:center;gap:8px;margin-left:12px}.user-bar span{font-weight:600}.user-bar button{border:0;background:transparent;color:#64746b;cursor:pointer}.projects-head{display:flex;justify-content:space-between;align-items:end;margin:25px 0 38px}.projects-head h1{font:800 43px 'Noto Serif SC';margin:10px 0}.projects-head p{color:#748078}.project-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.project-card{padding:25px;cursor:pointer;transition:.25s;position:relative}.project-card:hover{transform:translateY(-4px);border-color:#aabbb1}.project-card h3{font:700 21px 'Noto Serif SC';margin:14px 0 8px}.project-card p{font-size:13px;color:#78847d;line-height:1.7;min-height:44px}.project-meta{display:flex;justify-content:space-between;align-items:center;margin-top:25px;color:#8a938d;font-size:11px}.grade-badge{display:inline-block;background:#e4eee8;color:var(--green);font-weight:700;border-radius:20px;padding:5px 10px;font-size:11px}.workspace-heading{display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:26px}.workspace-heading h2{font:700 25px 'Noto Serif SC';margin:7px 0 2px}.workspace-heading p{margin:0;color:#7c8881;font-size:12px}.workspace-grid{display:grid;grid-template-columns:1.65fr .75fr;gap:24px}.panel-pad{padding:28px}.grade-tip{background:#f0ece2;padding:11px;font-size:11px!important;color:#756b5f!important}.modal-box select{display:block;width:100%;margin-top:8px;border:1px solid var(--line);background:#fffdf8;padding:12px}.analysis-standard{background:#f1eadc;border-left:3px solid var(--gold);padding:10px 14px;color:#755f42;font-size:12px;margin-top:12px}
@media(max-width:1000px){.landing-hero{grid-template-columns:1fr .7fr;gap:30px}.feature-grid,.project-cards{grid-template-columns:repeat(2,1fr)}.top{flex-wrap:wrap}.user-bar{margin-left:auto}.workspace-grid{grid-template-columns:1.25fr .65fr}}
@media(max-width:800px){.shell-page{padding:28px 14px 90px}.landing-hero,.auth-wrap{grid-template-columns:1fr;min-height:auto}.landing-hero{gap:25px}.landing-hero h1{font-size:42px}.landing-paper{display:none}.feature-grid,.project-cards{grid-template-columns:1fr}.auth-wrap{gap:20px}.auth-copy{text-align:center}.auth-copy h1{font-size:42px}.projects-head{align-items:flex-start;gap:20px;flex-direction:column}.workspace-grid{grid-template-columns:1fr}.workspace-heading{align-items:flex-start}.workspace-heading .ghost{padding-left:0}.user-bar{position:absolute;right:10px;top:17px}.user-bar #backProjects{display:none}#workspaceNav{bottom:0;top:auto;position:fixed;left:0;right:0;background:#fffdf8;border-top:1px solid var(--line);padding:6px;overflow-x:auto;z-index:35}.landing-actions{flex-direction:column}.landing-actions button{width:100%}.panel-pad{padding:20px}}

/* 妙笔工坊 · 年轻活泼主题 */
:root{--ink:#24304a;--green:#6657d9;--green2:#7668e8;--paper:#f8f7ff;--paper2:#eeebff;--red:#ff6685;--gold:#ffad42;--line:#e3def5;--white:#fff;--shadow:0 16px 44px rgba(93,75,180,.12)}
body{background-color:var(--paper);background-image:radial-gradient(circle at 7% 9%,rgba(255,179,71,.16),transparent 24%),radial-gradient(circle at 92% 16%,rgba(109,207,246,.18),transparent 25%),radial-gradient(circle at 80% 85%,rgba(255,102,133,.11),transparent 22%);background-size:auto;color:var(--ink)}
.top{background:rgba(255,255,255,.88);border-color:#ece8fa}.seal{width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,#ff718c,#ff9c5a);box-shadow:0 8px 18px rgba(255,102,133,.25),inset 0 0 0 2px rgba(255,255,255,.4);transform:rotate(-5deg);font-family:'Noto Sans SC';font-size:21px}.brand b{font-family:'Noto Sans SC';font-weight:800;letter-spacing:2px;background:linear-gradient(90deg,#5948cf,#ff6685);color:transparent;background-clip:text}.brand small{color:#8a82ad}.nav{font-weight:600}.nav.active{background:linear-gradient(135deg,#6555d8,#8474ef);box-shadow:0 7px 16px rgba(102,87,217,.22)}
.card{background:rgba(255,255,255,.91);border-color:#e8e3f7;border-radius:20px;box-shadow:var(--shadow)}.primary{background:linear-gradient(135deg,#6757db,#8977f2);border-radius:12px;box-shadow:0 9px 22px rgba(102,87,217,.28);transition:.2s}.primary:hover{background:linear-gradient(135deg,#5948ce,#7966e7);transform:translateY(-2px)}.secondary{background:#eeebff;color:#5d4ed0;border-radius:12px}.outline-btn{border:2px solid #7565e3;color:#6252d2;border-radius:12px}.ghost{border-radius:10px}.eyebrow{color:#f05278}.hero h1,.page-title h1,.landing-hero h1{color:#293250}.hero h1 em,.landing-hero h1 em{color:#6757d9}.hero h1 em:after{background:rgba(255,173,66,.28);height:10px;border-radius:20px}.landing-hero{position:relative}.landing-hero:before{content:'✦';position:absolute;left:-35px;top:80px;color:#ffb44f;font-size:30px;animation:floaty 3s ease-in-out infinite}.landing-hero:after{content:'✎';position:absolute;right:28%;top:55px;color:#72c8ef;font-size:38px;transform:rotate(-15deg);animation:floaty 3.5s ease-in-out infinite reverse}@keyframes floaty{50%{transform:translateY(-9px) rotate(8deg)}}.landing-paper{border-radius:24px;border:0;background:linear-gradient(145deg,#fff,#f4f1ff);transform:rotate(2deg);box-shadow:0 22px 55px rgba(95,77,180,.18)}.landing-paper>span{color:#6554d4}.landing-paper li:before{color:#ff728f}.feature-grid article{border:0;border-radius:18px;background:#fff;box-shadow:0 10px 30px rgba(82,70,150,.08);transition:.25s}.feature-grid article:hover{transform:translateY(-7px) rotate(-.5deg);box-shadow:0 18px 36px rgba(82,70,150,.15)}.feature-grid article:nth-child(3n+1)>span{color:#ff6484}.feature-grid article:nth-child(3n+2)>span{color:#6557d8}.feature-grid article:nth-child(3n)>span{color:#27aeca}.project-card{overflow:hidden}.project-card:before{content:'';position:absolute;width:85px;height:85px;border-radius:50%;right:-30px;top:-32px;background:linear-gradient(135deg,rgba(115,102,231,.18),rgba(255,105,137,.12))}.project-card:hover{border-color:#9f94eb;transform:translateY(-7px) rotate(-.4deg)}.grade-badge,.chip{background:#eeebff;color:#5c4dcc}.step{border:0;background:linear-gradient(135deg,#ff7691,#ffad55);color:white;font-weight:700}.result-head{background:linear-gradient(135deg,#5e50ce,#7565df 55%,#4daed3);border-radius:22px 22px 0 0}.analysis-card{border-color:#ebe7f7;border-radius:17px}.analysis-card h3,.style-content h2{color:#594bc7}.ref-tag{background:#6b5cdd}.linked-ref{color:#dc5270;border-color:#f0aebe}.shortcoming{border-radius:12px;border-left-color:#ff6986;background:#fff6f8}.drop{border:2px dashed #bab1eb;border-radius:16px;background:#faf9ff}.drop.drag{background:#f0edff;border-color:#7463df}.upload-icon{color:#715fda}.auth-card{background:linear-gradient(145deg,#fff,#f8f6ff)}.auth-tabs button.active{color:#6251d2;border-color:#6857d8}.score{background:#f4f2ff;border-color:#e4dffb;border-radius:13px}.score b{color:#5d4dd1}.compare-item{border-radius:13px}.compare-item.good{border-left-color:#47b992}.compare-item.gap{border-left-color:#ff6987}.generated-content,.revised-essay{border-radius:15px;border-color:#e4def6;background:#fdfcff}.toast{background:#5143bd;border-radius:12px}.loading{background:rgba(248,247,255,.9)}.ink{border-color:#d2ccf2;border-top-color:#6a59da}.generation-settings{display:grid;gap:14px;margin:8px 0 18px;padding:18px;background:linear-gradient(135deg,#f7f4ff,#fff8f2);border:1px solid #e9e1fa;border-radius:16px}.generation-settings label>span{display:block;font-size:13px;font-weight:700;color:#524793;margin-bottom:8px}.generation-settings textarea.requirements{height:105px;resize:vertical;margin:0;background:white;border:1px solid #ddd6f4;border-radius:12px;font:14px/1.7 'Noto Sans SC';padding:12px}.word-count-row{display:flex;align-items:center;gap:9px}.word-count-row input{width:150px;padding:11px 13px;border:1px solid #ddd6f4;border-radius:10px;background:#fff;font:14px inherit;color:var(--ink);outline:none}.word-count-row input:focus,.generation-settings textarea:focus{border-color:#7867e3;box-shadow:0 0 0 3px rgba(120,103,227,.12)}.word-count-row i{font-style:normal;font-size:12px;color:#81799e}.quick-counts{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.quick-counts button{border:0;border-radius:20px;background:#ebe7ff;color:#6251ce;padding:6px 11px;cursor:pointer;font-size:11px}.quick-counts button:hover,.quick-counts button.active{background:#6c5ada;color:white}.generation-summary{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 20px}.generation-summary span{padding:7px 11px;border-radius:16px;background:#f0edff;color:#5f50ca;font-size:12px}.regenerate-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.regenerate-btn{border:0;background:linear-gradient(135deg,#ff728f,#ff9e5d);color:white;border-radius:12px;padding:11px 17px;font-weight:700;cursor:pointer;box-shadow:0 7px 18px rgba(255,112,139,.25)}
@media(max-width:800px){.seal{width:41px;height:41px}.brand b{font-size:17px}.landing-hero:before,.landing-hero:after{display:none}.generation-settings{padding:14px}.word-count-row input{flex:1}.regenerate-actions{justify-content:stretch}.regenerate-actions button{flex:1}}
.file-info{margin:13px 0 0;padding:12px 15px;border:1px solid #ddd6f4;border-radius:12px;background:#f9f7ff;display:flex;align-items:center;justify-content:space-between;gap:12px}.file-info b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.file-info span{flex:none;color:#81799e;font-size:11px}.file-tip{font-size:11px;line-height:1.7;color:#8b84a3;margin:10px 2px}.doc-drop .upload-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#6657d9,#50add2);color:white;font:bold 20px 'Noto Sans SC';box-shadow:0 7px 18px rgba(102,87,217,.22)}
@media(max-width:800px){.file-info{align-items:flex-start;flex-direction:column}.file-info span{margin-top:-5px}}

/* 赏析报告阅读字号优化 */
.result-head p{font-size:16px;line-height:2}.analysis-standard{font-size:14px;line-height:1.8}.analysis-card h3{font-size:21px}.analysis-card li{font-size:16px;line-height:1.95}.analysis-card q{font-size:16px}.analysis-card .comment{font-size:15px;line-height:1.85}.analysis-card .chip{font-size:14px}.shortcoming{font-size:16px;line-height:1.9}.shortcoming .comment{font-size:15px}.analysis-card .ref-tag,.analysis-card .linked-ref{font-size:12px}
@media(max-width:800px){.result-head p{font-size:15px}.analysis-card h3{font-size:20px}.analysis-card li,.analysis-card q,.shortcoming{font-size:15px}.analysis-card .comment,.shortcoming .comment{font-size:14px}}
.save-analysis-bar{position:sticky;bottom:18px;z-index:8;margin:22px auto 0;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,255,255,.95);border:2px solid #8c7beb;border-radius:18px;box-shadow:0 16px 42px rgba(87,69,178,.2);backdrop-filter:blur(12px)}.save-analysis-bar div{display:flex;flex-direction:column;gap:5px}.save-analysis-bar b{font-size:16px;color:#5042b4}.save-analysis-bar span{font-size:13px;color:#797291;line-height:1.6}.save-analysis-bar .primary{flex:none;padding:14px 22px}
@media(max-width:650px){.save-analysis-bar{position:static;flex-direction:column;align-items:stretch}.save-analysis-bar .primary{width:100%}}
.analysis-progress{margin:0 0 20px;padding:20px 22px;background:linear-gradient(135deg,#6353d8,#4b9fce);color:white;border-radius:18px;box-shadow:0 14px 34px rgba(78,68,178,.2)}.progress-head{display:flex;justify-content:space-between;gap:15px;align-items:center}.progress-head b{font-size:17px}.progress-head em{font-style:normal;font-size:12px;opacity:.88}.progress-track{height:8px;background:rgba(255,255,255,.22);border-radius:9px;margin:14px 0;overflow:hidden}.progress-track i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,#ffd36a,#fff);transition:width .5s}.progress-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.progress-steps span{font-size:11px;opacity:.62;display:flex;align-items:center;gap:5px}.progress-steps span.active,.progress-steps span.done{opacity:1}.progress-steps i{font-style:normal;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.18)}.progress-steps .done i{background:#62d6a6;color:#173c31}.analysis-progress p{font-size:12px;margin:13px 0 0;opacity:.82}
@media(max-width:650px){.progress-steps{grid-template-columns:1fr 1fr}.progress-head{align-items:flex-start;flex-direction:column;gap:4px}}
.optional-hint{display:block;margin-top:7px;color:#8b84a3;font-size:11px}.source-preservation{padding:15px 18px;border-radius:14px;background:#f1fff8;border:1px solid #cdeedc}.source-preservation h3{color:#26845a!important}
#analyzeBtn.cancel-analysis{background:linear-gradient(135deg,#ef5f6c,#d94354);box-shadow:0 10px 24px rgba(217,67,84,.25)}#analyzeBtn.cancel-analysis:hover{filter:brightness(.96)}.analysis-wait-card{padding:34px;text-align:center;font-size:17px;color:#7166a9;background:#faf8ff;border:1px dashed #cfc7ef;border-radius:16px}.analysis-wait{color:#8981a9!important;font-style:normal}.analysis-card .analysis-wait{padding:12px 0}#essay:disabled{background:#f7f5fb;color:#777;cursor:not-allowed}
.score-card{display:flex;gap:24px;align-items:center;margin:20px 0;padding:22px;background:linear-gradient(135deg,#fff7e5,#fff 55%,#f2edff);border:1px solid #eadfbf;border-radius:20px}.score-total{width:130px;height:130px;flex:none;border-radius:50%;display:flex;align-items:baseline;justify-content:center;align-content:center;flex-wrap:wrap;background:linear-gradient(145deg,#6957de,#a25ada);color:white;box-shadow:0 12px 28px rgba(103,79,202,.25)}.score-total strong{font-size:48px;line-height:1;font-family:Georgia,serif}.score-total i{font-size:15px;font-style:normal}.score-total span{width:100%;text-align:center;font-size:12px;margin-top:4px}.score-detail{flex:1}.score-detail h3{font-size:20px;color:#4e4295}.score-detail>p{font-size:14px;color:#746d85;line-height:1.75}.score-dimensions{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.score-dimensions>div{padding:10px;background:rgba(255,255,255,.75);border-radius:10px}.score-dimensions span{display:block;font-size:13px}.score-dimensions span b{color:#7656cc}.score-dimensions small{display:block;color:#898298;font-size:10px;line-height:1.5;margin-top:4px}.score-card.pending{min-height:90px;flex-direction:column;justify-content:center;gap:7px;color:#81799d}.adopt-btn{margin-top:12px;padding:9px 14px;border:1px solid #745fd6;border-radius:10px;background:#f3efff;color:#5844b7;font-weight:700;cursor:pointer}.adopt-btn:hover{background:#e9e1ff}.adopt-btn:disabled{border-color:#a6cfb7;background:#effaf3;color:#31845a;cursor:default}
@media(max-width:700px){.score-card{align-items:flex-start;flex-direction:column}.score-total{width:105px;height:105px;align-self:center}.score-total strong{font-size:40px}.score-dimensions{grid-template-columns:1fr 1fr}}
.adopt-btn.improving{position:relative;padding-left:34px;border-color:#c9bdec;background:#f6f3ff;color:#7467a7;cursor:wait}.adopt-btn.improving::before{content:"";position:absolute;left:13px;top:50%;width:12px;height:12px;margin-top:-7px;border:2px solid #b8addc;border-top-color:#6653c7;border-radius:50%;animation:adopt-spin .8s linear infinite}@keyframes adopt-spin{to{transform:rotate(360deg)}}
body.modal-open{overflow:hidden}.work-modal{padding:24px;align-items:center;overflow-y:auto}.work-modal-box{position:relative;width:min(820px,100%);max-height:calc(100vh - 48px);padding:36px 42px;overflow-y:auto;border-radius:18px}.work-modal-box h2{margin:10px 42px 5px 0;font:800 30px/1.35 'Noto Serif SC';color:var(--ink)}.work-modal-box time{display:block;color:#918b9c;font-size:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.work-full-content{padding:24px 2px 12px;white-space:pre-wrap;overflow-wrap:anywhere;color:#35433d;font:16px/2 'Noto Serif SC';letter-spacing:.3px}.work-modal-box .modal-close{position:absolute;right:18px;top:18px}@media(max-width:650px){.work-modal{padding:12px;align-items:flex-end}.work-modal-box{max-height:92vh;padding:28px 22px;border-radius:18px 18px 8px 8px}.work-modal-box h2{font-size:24px}.work-full-content{font-size:15px;line-height:1.9}}
.generated-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);margin-bottom:14px}.generated-title-row h3{border:0!important;margin:0!important}.total-word-count{flex:none;padding:7px 12px;border-radius:20px;background:#ede9ff;color:#5c4bc4;font-size:12px}.total-word-count.in-range{background:#e8f8ef;color:#23825a}.total-word-count.out-range{background:#fff0f1;color:#c74758}@media(max-width:600px){.generated-title-row{align-items:flex-start;flex-direction:column;padding-bottom:12px}.total-word-count{align-self:flex-start}}
.analysis-terminal{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:15px 18px;border-radius:14px;border:1px solid #efc8ce;background:#fff5f6;color:#9a3e4d}.analysis-terminal b{flex:none}.analysis-terminal span{font-size:13px;line-height:1.6}.analysis-terminal.ended{border-color:#d9d1f2;background:#f7f5ff;color:#665b92}
.work-modal-box{width:min(960px,100%)}.work-modal-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-right:42px}.export-pdf-btn{border:0;border-radius:10px;padding:10px 15px;background:linear-gradient(135deg,#6757db,#8b77ef);color:#fff;font-weight:700;cursor:pointer}.export-pdf-btn:hover{transform:translateY(-1px)}.saved-work-section,.saved-analysis-section{margin-top:24px}.saved-work-section>h3,.saved-analysis-section>h3{font:700 21px 'Noto Serif SC';color:#5144b1;border-bottom:2px solid #e2dcf8;padding-bottom:10px}.saved-work-section .work-full-content{padding-top:8px}.saved-analysis article{padding:15px 0;border-bottom:1px solid #eeeaf8}.saved-analysis article:last-child{border-bottom:0}.saved-analysis h4{font:700 17px 'Noto Serif SC';color:#594bc7;margin:0 0 10px}.saved-analysis p{line-height:1.8}.saved-analysis ul{margin:0;padding-left:20px}.saved-analysis li{margin:10px 0;line-height:1.7}.saved-analysis li>span{display:block;color:#716b7e;font-size:13px;margin-top:4px}.saved-analysis q{font-family:'Noto Serif SC';font-weight:600}.saved-score{display:flex;align-items:center;gap:18px;padding:18px;border-radius:15px;background:linear-gradient(135deg,#f1edff,#fff8ef);margin-bottom:12px}.saved-score>strong{flex:none;font:800 38px Georgia;color:#5d4dc7}.saved-score>strong i{font:normal 12px sans-serif}.saved-score b{color:#5144ad}.saved-score p{margin:5px 0 0;color:#736c80}.saved-dimensions{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-bottom:12px}.saved-dimensions>div{padding:11px;border:1px solid #e8e2f6;border-radius:10px}.saved-dimensions b,.saved-dimensions span{display:block}.saved-dimensions b{font-size:13px;color:#5347a7}.saved-dimensions span{font-size:11px;color:#7a7482;line-height:1.6;margin-top:4px}.saved-empty{color:#999;font-size:13px}@media(max-width:650px){.work-modal-toolbar{align-items:flex-start;flex-direction:column;margin-right:35px}.export-pdf-btn{padding:9px 12px}.saved-dimensions{grid-template-columns:1fr}}
/* 文章库详情浮层：提高赏析正文可读性 */
.saved-analysis{font-size:16px;line-height:1.9}.saved-analysis h4{font-size:19px}.saved-analysis p{font-size:16px;line-height:1.9}.saved-analysis li{font-size:16px;line-height:1.9}.saved-analysis li>span{font-size:15px;line-height:1.85}.saved-dimensions b{font-size:15px}.saved-dimensions span{font-size:14px;line-height:1.75}.saved-score b{font-size:17px}.saved-score p{font-size:15px;line-height:1.8}.saved-empty{font-size:15px}@media(max-width:650px){.saved-analysis{font-size:15px}.saved-analysis h4{font-size:18px}.saved-analysis p,.saved-analysis li{font-size:15px}.saved-analysis li>span{font-size:14px}}
/* 将功能导航收归当前项目工作区，明确项目层级 */
.project-workspace-shell{margin:-8px 0 34px;border:1px solid #dfd9f3;border-radius:22px;background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(247,244,255,.94));box-shadow:0 12px 34px rgba(83,67,154,.09);overflow:hidden}.project-workspace-shell .workspace-heading{margin:0;padding:22px 26px;border-bottom:1px solid #e7e1f5;gap:22px}.project-identity{position:relative;padding-left:16px;border-left:4px solid #6c59d8;flex:1}.project-context-label{display:inline-block;margin-right:7px;color:#6755ce;font-size:11px;font-weight:800;letter-spacing:1px}.project-identity .grade-badge{vertical-align:middle}.project-identity h2{margin:7px 0 3px}.project-tools{display:flex;align-items:center;gap:22px;padding:13px 18px 13px 26px;background:rgba(241,237,255,.55)}.project-tools-label{flex:none;padding-right:20px;border-right:1px solid #d9d2ed}.project-tools-label b,.project-tools-label span{display:block}.project-tools-label b{color:#4e4297;font-size:13px}.project-tools-label span{margin-top:2px;color:#8a82a1;font-size:10px}.project-tools #workspaceNav{display:flex;align-items:center;gap:6px;min-width:0;overflow-x:auto;scrollbar-width:thin}.project-tools #workspaceNav.hidden{display:none!important}.project-tools .nav{flex:none;color:#6d6680}.project-tools .nav.active{color:#fff;background:linear-gradient(135deg,#6251ce,#8270e9);box-shadow:0 6px 14px rgba(99,80,203,.22)}
@media(max-width:800px){.project-workspace-shell{margin:-8px -4px 24px;border-radius:17px}.project-workspace-shell .workspace-heading{padding:17px 16px;gap:10px;flex-wrap:wrap}.project-workspace-shell .workspace-heading .ghost{width:100%;padding:0 0 7px;text-align:left}.project-identity{width:100%}.project-tools{display:block;padding:12px 10px 9px}.project-tools-label{padding:0 7px 9px;border-right:0}.project-tools-label b,.project-tools-label span{display:inline}.project-tools-label span{margin-left:7px}.project-tools #workspaceNav{position:static;inset:auto;background:transparent;border:0;padding:0 0 3px;z-index:auto}.project-tools .nav{padding:9px 13px;font-size:13px}}
.save-commonality{margin-top:26px;padding:20px;border:1px solid #ddd6f6;border-radius:16px;background:linear-gradient(135deg,#f5f1ff,#fff9f2)}.save-commonality h3{margin:0 0 6px;color:#5548b2}.save-commonality p{margin:0 0 13px;color:#777086;font-size:13px}.save-commonality>div{display:flex;gap:9px}.save-commonality input{flex:1;min-width:0;border:1px solid #d8d0ef;border-radius:10px;padding:11px 13px;font:14px inherit}.save-commonality button{flex:none}.reference-mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.reference-mode{border:1px solid #ddd6f5;border-radius:12px;padding:10px 8px;background:#faf8ff;color:#675d83;font-weight:700;cursor:pointer}.reference-mode.active{color:#fff;border-color:#6756d5;background:linear-gradient(135deg,#6251ce,#8270e9)}.common-profile-list{max-height:310px;overflow:auto;margin-bottom:8px}.common-profile-item{display:flex;gap:11px;padding:13px 8px;border-bottom:1px solid #eee9f8;cursor:pointer}.common-profile-item input{margin-top:5px;accent-color:#6756d5}.common-profile-item span,.common-profile-item b,.common-profile-item small,.common-profile-item em{display:block}.common-profile-item b{color:#3f3859}.common-profile-item small{margin-top:4px;color:#797288;line-height:1.55}.common-profile-item em{margin-top:5px;color:#6657c4;font-size:11px;font-style:normal}.common-profile-empty{padding:24px 14px;border:1px dashed #cfc6e9;border-radius:12px;color:#878095;font-size:13px;line-height:1.7;text-align:center}.reference-hint{margin:8px 0 20px!important;color:#898198!important;font-size:11px!important}@media(max-width:600px){.save-commonality>div{flex-direction:column}.save-commonality button{width:100%}.reference-mode-tabs{grid-template-columns:1fr}.reference-mode{text-align:left}}
footer{position:relative}.club-footer-link{position:absolute;left:50%;transform:translateX(-50%);color:#6555cc;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap}.club-footer-link:hover{color:#f05278;text-decoration:underline}@media(max-width:800px){footer{align-items:center;text-align:center}.club-footer-link{position:static;transform:none;order:-1;font-size:14px;margin-bottom:5px}}