*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#7c3aed;--primary2:#5b21b6;--bg:#f5f3ff;--card:#fff;--text:#1a1a2e;--text-light:#6b7280;--border:#e5e7eb;--accent:#7c3aed;--danger:#dc2626;--success:#16a34a}
body{font-family:'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,0.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:20px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.logo-text{font-size:20px;font-weight:700;color:var(--primary)}
.main-nav{display:flex;gap:24px}
.main-nav a{color:var(--text);font-weight:500;text-decoration:none}
.main-nav a.active,.main-nav a:hover{color:var(--primary)}
.header-right{display:flex;align-items:center;gap:10px}
.lang-switch{font-size:13px;color:var(--text-light);border:1px solid var(--border);padding:4px 10px;border-radius:4px}
.btn-sm{padding:6px 16px;border-radius:6px;font-size:14px;font-weight:500;border:none;cursor:pointer;background:var(--primary);color:#fff;text-decoration:none;display:inline-block}
.btn-sm:hover{opacity:0.9;text-decoration:none}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.site-main{min-height:calc(100vh - 140px)}
.page-banner{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;padding:60px 20px;text-align:center}
.page-banner h1{font-size:36px;margin-bottom:8px}
.page-banner p{font-size:16px;opacity:0.9}
.section{padding:40px 20px}
.section-title{font-size:24px;font-weight:700;margin-bottom:24px;text-align:center}
.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;max-width:1000px;margin:0 auto}
.home-card{background:var(--card);border-radius:16px;padding:40px 30px;text-align:center;transition:all 0.3s;cursor:pointer;border:2px solid transparent}
.home-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 8px 24px rgba(124,58,237,0.1)}
.home-card .icon{font-size:48px;margin-bottom:16px}
.home-card h3{font-size:22px;color:var(--primary);margin-bottom:8px}
.home-card p{color:var(--text-light);font-size:14px}
.task-list{max-width:1000px;margin:0 auto}
.task-item{background:var(--card);border-radius:12px;padding:20px 24px;margin-bottom:16px;transition:all 0.2s;border:1px solid var(--border)}
.task-item:hover{box-shadow:0 4px 12px rgba(0,0,0,0.08);border-color:var(--primary)}
.task-item .task-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}
.task-item h3{font-size:18px;color:var(--text)}
.task-item .task-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:8px}
.task-item .task-content{color:var(--text-light);font-size:14px;line-height:1.6;max-height:4.8em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.task-item .task-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.task-budget{font-size:18px;font-weight:700;color:var(--primary)}
.task-status{padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}
.status-open{background:#e0e7ff;color:#4338ca}
.status-assigned{background:#fef3c7;color:#92400e}
.status-completed{background:#d1fae5;color:#065f46}
.status-cancelled{background:#fee2e2;color:#991b1b}
.task-form{max-width:1000px;margin:0 auto;background:var(--card);border-radius:16px;padding:30px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:500;margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:#fff;color:var(--text)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,0.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn-primary{background:var(--primary);color:#fff;padding:12px 32px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer}
.btn-primary:hover{opacity:0.9}
.btn-large{padding:14px 48px;font-size:18px}
.editor-wrap{border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:border-color 0.2s}
.editor-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,0.1)}
.editor-toolbar{display:flex;align-items:center;gap:4px;padding:8px 12px;background:#fafafa;border-bottom:1px solid var(--border);flex-wrap:wrap}
.editor-toolbar button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--text-light);transition:all 0.15s}
.editor-toolbar button:hover{background:#e5e7eb;color:var(--text)}
.editor-toolbar button.active{background:var(--primary);color:#fff}
.tb-sep{width:1px;height:20px;background:var(--border);margin:0 4px}
.editor-content{min-height:300px;padding:20px 24px;font-size:16px;line-height:1.8;color:var(--text);outline:none;empty-cells:show}
.editor-content:empty::before{content:attr(data-placeholder);color:#c0c0c0;pointer-events:none}
.editor-content h2{font-size:20px;font-weight:700;margin:16px 0 8px}
.editor-content h3{font-size:18px;font-weight:600;margin:12px 0 6px}
.editor-content blockquote{border-left:3px solid var(--primary);padding:8px 16px;margin:12px 0;background:#faf5ff;border-radius:0 6px 6px 0;color:var(--text-light)}
.editor-content ul,.editor-content ol{padding-left:24px;margin:8px 0}
.editor-content li{margin:4px 0}
.editor-content img{max-width:100%;border-radius:8px;margin:12px 0;display:block}
.editor-content hr{border:none;border-top:1px solid var(--border);margin:20px 0}
.editor-content p{margin:8px 0}
.upload-area{border:2px dashed var(--border);border-radius:8px;padding:30px;text-align:center;cursor:pointer;transition:all 0.2s}
.upload-area:hover{border-color:var(--primary);background:var(--bg)}
.upload-area .upload-icon{font-size:36px;margin-bottom:8px}
.file-list{margin-top:12px}
.file-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg);border-radius:6px;margin-bottom:6px;font-size:14px}
.file-item .remove{color:var(--danger);cursor:pointer;margin-left:auto}
.task-detail{max-width:1000px;margin:0 auto;background:var(--card);border-radius:16px;padding:30px}
.task-detail h1{font-size:26px;margin-bottom:12px}
.task-detail .detail-meta{display:flex;gap:16px;color:var(--text-light);font-size:14px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.task-detail .detail-content{font-size:15px;line-height:1.8;margin-bottom:20px}
.task-detail .detail-content h2{font-size:20px;font-weight:700;margin:16px 0 8px}
.task-detail .detail-content h3{font-size:18px;font-weight:600;margin:12px 0 6px}
.task-detail .detail-content blockquote{border-left:3px solid var(--primary);padding:8px 16px;margin:12px 0;background:#faf5ff;border-radius:0 6px 6px 0;color:var(--text-light)}
.task-detail .detail-content img{max-width:100%;border-radius:8px;margin:12px 0}
.task-detail .detail-content hr{border:none;border-top:1px solid var(--border);margin:20px 0}
.task-files{margin:20px 0}
.task-files img{max-width:100%;border-radius:8px;margin-bottom:12px}
.task-files video{max-width:100%;border-radius:8px;margin-bottom:12px}
.task-files .file-link{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--bg);border-radius:6px;margin-right:8px;margin-bottom:8px;font-size:14px}
.bid-list{margin-top:24px}
.bid-item{background:var(--bg);border-radius:8px;padding:16px;margin-bottom:12px}
.bid-item .bid-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.bid-item .bid-price{font-weight:700;color:var(--primary)}
.login-form{max-width:400px;margin:40px auto;background:var(--card);border-radius:16px;padding:30px}
.user-center{max-width:900px;margin:0 auto}
.user-tabs{display:flex;gap:20px;margin-bottom:24px;border-bottom:1px solid var(--border)}
.user-tabs a{padding:8px 0;color:var(--text-light);text-decoration:none;border-bottom:2px solid transparent}
.user-tabs a.active{color:var(--primary);border-color:var(--primary)}
.site-footer{background:var(--card);border-top:1px solid var(--border);padding:40px 20px 20px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;align-items:start}
.footer-col h4{font-size:16px;margin-bottom:12px;color:var(--text)}
.footer-col p{color:var(--text-light);font-size:14px;margin-bottom:6px}
.footer-bottom{text-align:center;margin-top:30px;padding-top:20px;border-top:1px solid var(--border);color:var(--text-light);font-size:13px}
@media(max-width:768px){.home-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.main-nav{display:none}.header-inner{flex-wrap:wrap}.footer-grid{grid-template-columns:1fr}}