:root{--navy:#08283f;--blue:#0b66b2;--cyan:#18a8b8;--ink:#142430;--muted:#6d7e89;--line:#dce6ec;--soft:#f4f8fb;--danger:#b42318;--success:#067647}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#f6f8fa}a{text-decoration:none;color:var(--blue)}button,input,textarea,select{font:inherit}.layout{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#071d2d;color:#fff;padding:24px 18px;display:flex;flex-direction:column}.side-brand{display:flex;gap:12px;align-items:center;padding:4px 6px 24px;border-bottom:1px solid rgba(255,255,255,.12)}.mark,.login-logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900}.side-brand span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}.side-nav{display:grid;gap:5px;margin-top:24px}.side-nav a{color:rgba(255,255,255,.78);padding:11px 12px;border-radius:10px}.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}.logout{margin-top:auto}.logout button{width:100%;border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;padding:10px;border-radius:10px;cursor:pointer}.main{padding:30px 34px}.topbar{display:flex;justify-content:space-between;align-items:start;margin-bottom:24px}.topbar h1{margin:0 0 5px;font-size:28px}.topbar p{margin:0;color:var(--muted)}.user{background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px;font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.stat span{color:var(--muted)}.stat strong{display:block;font-size:34px;color:var(--navy);margin-top:4px}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel h2{margin:0;font-size:19px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 15px;font-weight:700;cursor:pointer}.primary{background:var(--blue);color:#fff}.secondary{background:#eef3f6;color:var(--navy)}.wide{width:100%;margin-top:10px}.center{text-align:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid #edf1f3;vertical-align:top}th{font-size:12px;color:var(--muted);font-weight:700}td{font-size:14px}.small{font-size:12px;color:var(--muted);margin-top:4px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px}.badge.published{background:#ecfdf3;color:var(--success)}.badge.draft{background:#f2f4f7;color:#475467}.actions{display:flex;gap:10px;align-items:center;white-space:nowrap}.actions form{display:inline}.link{border:0;background:none;color:var(--blue);padding:0;cursor:pointer}.danger{color:var(--danger)}.empty{padding:40px;text-align:center;color:var(--muted)}.flashes{display:grid;gap:8px;margin-bottom:16px}.flash{padding:12px 14px;border-radius:10px;background:#eef6ff;color:#175cd3}.flash.error{background:#fef3f2;color:#b42318}.flash.success{background:#ecfdf3;color:#067647}.editor-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px}.form-panel label,.side-form label,.login-card label{display:block;font-size:13px;font-weight:700;margin-bottom:16px}.form-panel input,.form-panel textarea,.side-form input,.side-form textarea,.side-form select,.login-card input{display:block;width:100%;margin-top:6px;border:1px solid #cfdbe2;border-radius:10px;padding:11px 12px;background:#fff;outline:none}.form-panel input:focus,.form-panel textarea:focus,.side-form input:focus,.side-form textarea:focus,.side-form select:focus,.login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,102,178,.08)}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.toolbar{display:flex;flex-wrap:wrap;gap:6px;margin:7px 0 0;padding:9px;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:#f8fafb}.toolbar button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 9px;cursor:pointer}.rich-editor{min-height:420px;border:1px solid var(--line);border-radius:0 0 10px 10px;padding:18px;outline:none;background:#fff;line-height:1.8}.rich-editor img{max-width:100%;height:auto;border-radius:12px}.rich-editor h2{font-size:26px;margin-top:28px}.rich-editor h3{font-size:21px;margin-top:24px}.side-form hr{border:0;border-top:1px solid var(--line);margin:20px 0}.cover-preview{width:100%;border-radius:12px;margin:-6px 0 12px}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#071d2d,#0b4d6b)}.login-card{width:min(430px,92vw);background:#fff;border-radius:22px;padding:34px;box-shadow:0 28px 90px rgba(0,0,0,.25)}.login-card h1{font-size:25px;margin:16px 0 6px}.login-card>p{color:var(--muted);margin:0 0 22px}.login-card .login-logo{width:52px;height:52px}.login-card button{margin-top:4px}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative}.side-nav{grid-template-columns:repeat(3,1fr)}.logout{margin-top:18px}.stats{grid-template-columns:1fr 1fr 1fr}.editor-layout{grid-template-columns:1fr}.main{padding:24px}.row{grid-template-columns:1fr}}@media(max-width:620px){.stats{grid-template-columns:1fr}.side-nav{grid-template-columns:1fr 1fr}.main{padding:18px}.topbar{gap:12px}.user{display:none}}