:root{--ink:#283329;--paper:#f7f4e9;--cream:#e9eadb;--red:#a84636;--orange:#c87855;--green:#3f5d46;--line:#d5d7c4;--moss:#718264;--leaf:#dfe5d4;--wood:#b99776}
body{background:var(--paper);color:var(--ink);background-image:radial-gradient(circle at 12% 8%,rgba(113,130,100,.10),transparent 28%),radial-gradient(circle at 92% 32%,rgba(168,70,54,.06),transparent 24%)}
header{background:rgba(247,244,233,.94);border-color:var(--line)}
.brand{color:var(--red)}.brand small{color:var(--moss)}nav a,.nav-link{color:var(--ink)}
.hero{background:linear-gradient(135deg,#f7f4e9 0%,#edf0df 100%)}.hero p,.section-head p,.steps p,.topic p{color:#667064}
.sun{background:#d5b77d;opacity:.65}.book{background:var(--red);box-shadow:16px 19px 0 #773328}.b2{background:var(--green);box-shadow:16px 19px 0 #294232}.idea{background:#fbfaf3;box-shadow:0 20px 45px rgba(50,70,51,.16)}
.steps{background:#f2f2e6}.steps>div:nth-child(2){background:#e7ebdd}
.workspace{background:#f7f4e9}.workspace form,.case-form,.case-history{background:#fffef8;box-shadow:0 20px 60px rgba(52,76,61,.10)}
.field input,.book-detected,.case-form textarea,.case-links select{background:#f3f2e7}.upload-btn{background:#faf8ef;border-color:#aeb89f}
.chips button,.filter button{border-color:#bdc5b3;color:#39483d;cursor:pointer}.chips button.active,.filter button.active{background:var(--green);border-color:var(--green)}
.generate,.primary{background:var(--red)}.quotes-trigger{background:var(--green)}
.results{background:#e7eadc}.insight,.topic{background:#fffef9}.insight span{background:#edf0e5}.topic{border-radius:2px;box-shadow:0 8px 28px rgba(55,76,59,.06)}.topic:hover{border-top-color:var(--red);box-shadow:0 14px 34px rgba(55,76,59,.12)}
.quotes-section{background:#f2f2e7}.quote-card{background:#fffef9;border-left-color:var(--red)}
.todo-section{background:#e2e7d9}.todo-item,.todo-empty{background:#fffef9}.todo-item{border-left-color:var(--moss)}
.cases-section{background:#dfe5d4}.case-card{background:#f7f4e9;border-left-color:var(--green)}
.video-script{background:#fffef9}.script-list article{background:#eef0e6}.script-list article.case-row{background:#fbf3e8;border-left-color:var(--red)}.wechat-article{background:#f1f2e8}
.style-adjust{background:#e8ecdf}.version-nav{background:#e7ecdf;border-color:#bdcbb8}.related-book{background:#fffef9}
.ai-status{background:#f1eadc}.ai-status.error{background:#f4dfda}.ai-status.success{background:#dfe9dd}
footer{background:#304a38;color:#e9ebdf}dialog{background:#f7f4e9}dialog::backdrop{background:rgba(32,50,38,.80)}
.topic-open,.quote-share,.voice-btn,.script-open{border-color:var(--red);color:var(--red)}.topic:hover .topic-open,.quote-share:hover{background:var(--red);color:#fff}
@media(max-width:800px){.hero{background:linear-gradient(160deg,#f7f4e9 0%,#e7ebdc 100%)}}