:root{--a:#0c86c9;--ink:#17354a;--muted:#71899a;--line:#dfe9ef;--bg:#f3f7fa;--side:#071c2f}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.admin-shell{display:grid;grid-template-columns:238px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#06192b,#092c49);color:#d7e8f3;padding:24px 16px;position:sticky;top:0;height:100vh;overflow:auto}.admin-brand img{width:150px;filter:brightness(0) invert(1);margin:7px 8px 25px}.admin-brand small{display:block;margin:0 8px 24px;color:#6e91a9;font-size:10px}.side-menu{display:grid;gap:5px}.side-menu a{padding:11px 12px;border-radius:9px;font-size:12px;color:#a9c0cf}.side-menu a:hover,.side-menu a.active{background:rgba(71,180,239,.14);color:#fff}.side-menu .sep{font-size:8px;text-transform:uppercase;letter-spacing:.16em;color:#57778f;padding:18px 12px 5px}.main{min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.topbar b{font-size:15px}.top-actions{display:flex;gap:12px;align-items:center}.top-actions a{font-size:11px;color:#678396}.content{padding:28px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.page-head h1{font-size:29px;margin:0 0 6px;letter-spacing:-.03em}.page-head p{margin:0;color:var(--muted);font-size:12px}.btn{border:0;border-radius:9px;padding:10px 15px;cursor:pointer;font-size:11px;font-weight:750}.btn-primary{background:var(--a);color:#fff}.btn-light{background:#eef5f8;color:#365970}.btn-danger{background:#fff0f0;color:#bf4343}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 8px 24px rgba(40,80,104,.04);overflow:hidden}.toolbar{display:flex;gap:9px;align-items:center;padding:14px;border-bottom:1px solid var(--line)}.toolbar input,.toolbar select{border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:11px}.toolbar input{min-width:250px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid #edf2f5;font-size:11px;vertical-align:middle}th{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#7d94a3;background:#fbfdfe}td strong{font-size:12px}.thumb{width:62px;height:42px;object-fit:cover;border-radius:7px;background:#edf4f7}.badge{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:9px;background:#eef7fc;color:#2986b9}.badge.off{background:#f4f4f4;color:#888}.row-actions{display:flex;gap:6px}.row-actions button{border:0;background:#edf5f9;color:#496c82;border-radius:7px;padding:7px 9px;font-size:10px;cursor:pointer}.row-actions .del{background:#fff1f1;color:#bd4a4a}.modal{position:fixed;inset:0;background:rgba(3,18,30,.64);backdrop-filter:blur(5px);z-index:100;display:none;align-items:center;justify-content:center;padding:24px}.modal.open{display:flex}.modal-card{width:min(1040px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:18px;box-shadow:0 35px 100px rgba(0,0,0,.25)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:5}.modal-head h2{font-size:18px;margin:0}.x{border:0;background:#eef4f7;width:34px;height:34px;border-radius:50%;cursor:pointer}.modal-body{padding:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field.full{grid-column:1/-1}.field label{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#71899a;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 11px;outline:none;font-size:12px}.field textarea{min-height:90px;resize:vertical}.editor-wrap{border:1px solid var(--line);border-radius:10px;overflow:hidden}.editor-tools{display:flex;gap:5px;flex-wrap:wrap;padding:8px;background:#f7fafc;border-bottom:1px solid var(--line)}.editor-tools button{border:1px solid #dbe7ee;background:#fff;border-radius:6px;padding:6px 9px;font-size:10px;cursor:pointer}.rich-editor{min-height:320px;padding:16px;outline:none;line-height:1.7;font-size:13px}.rich-editor h2{font-size:26px}.rich-editor h3{font-size:20px}.rich-editor img{max-width:100%;border-radius:10px}.media-uploader{border:1px dashed #cbdce6;border-radius:10px;padding:12px;background:#fbfdfe}.gallery-preview{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.gitem{position:relative;width:110px;height:82px}.gitem img{width:100%;height:100%;object-fit:cover;border-radius:8px}.gitem button{position:absolute;right:3px;top:3px;border:0;background:rgba(0,0,0,.62);color:#fff;border-radius:50%;width:20px;height:20px;font-size:11px;cursor:pointer}.gitem .insert{left:3px;right:auto;border-radius:5px;width:auto;padding:0 5px}.modal-foot{display:flex;justify-content:flex-end;gap:9px;padding:16px 20px;border-top:1px solid var(--line);position:sticky;bottom:0;background:#fff}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}.metric{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.metric small{color:#7892a3;font-size:9px;text-transform:uppercase;letter-spacing:.1em}.metric b{font-size:26px;display:block;margin-top:8px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:18px}.notice{padding:12px 15px;border-radius:10px;margin-bottom:15px;font-size:11px}.notice.ok{background:#eaf8f0;color:#2e734c}.notice.err{background:#fff0f0;color:#a74343}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#06182a,#0b3f68)}.login-card{width:min(420px,calc(100% - 32px));background:#fff;border-radius:18px;padding:30px;box-shadow:0 28px 90px rgba(0,0,0,.28)}.login-card img{width:170px;margin-bottom:25px}.login-card h1{font-size:25px;margin:0 0 7px}.login-card p{color:#7890a0;font-size:11px}.login-card input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;margin:7px 0}.login-card button{width:100%;margin-top:10px}.media-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:16px}.media-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.media-card img{width:100%;height:120px;object-fit:cover}.media-card div{padding:9px;font-size:9px;color:#617e91;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inquiry{white-space:normal;max-width:430px;line-height:1.55}.mobile-side{display:none}.json-help{font-size:9px;color:#91a2ad;margin-top:5px}.section-editor{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.section-tile{border:1px solid var(--line);border-radius:13px;padding:16px;background:#fff}.section-tile h3{margin:0 0 7px;font-size:15px}.section-tile p{margin:0 0 14px;font-size:10px;color:#768d9c;line-height:1.55}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-260px;width:238px;z-index:50;transition:.2s}.sidebar.open{left:0}.mobile-side{display:block}.cards{grid-template-columns:1fr 1fr}.form-grid,.settings-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.media-grid{grid-template-columns:repeat(3,1fr)}.section-editor{grid-template-columns:1fr}}@media(max-width:560px){.content{padding:18px}.cards{grid-template-columns:1fr}.media-grid{grid-template-columns:1fr 1fr}.page-head{align-items:flex-start;flex-direction:column}}

/* Media settings previews */
.media-setting.full{grid-column:1/-1}
.setting-media-row{display:flex;gap:10px;align-items:center}
.setting-media-row>input{flex:1}
.setting-preview{margin-top:10px;min-height:86px;border:1px solid var(--line);border-radius:10px;background:#f8fbfd;overflow:hidden;display:flex;align-items:center;justify-content:center}
.setting-preview img{max-width:100%;max-height:220px;display:block;object-fit:contain}
.setting-preview video{width:100%;max-height:220px;display:block;background:#071c2f}
@media(max-width:700px){.setting-media-row{flex-direction:column;align-items:stretch}}

/* ===== 中文后台 UI V8 ===== */
body{font-family:Inter,"PingFang SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.sidebar{width:auto;padding:20px 14px;background:linear-gradient(180deg,#071b2d 0%,#092b46 100%)}
.admin-brand{padding:0 6px 10px}
.admin-logo-box{height:70px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;padding:12px 16px;margin:0 0 12px;box-shadow:0 10px 26px rgba(0,0,0,.13)}
.admin-brand img{width:158px;max-height:48px;object-fit:contain;filter:none!important;margin:0!important;display:block}
.admin-brand small{margin:0 4px 12px;color:#82a5bb;font-size:11px;letter-spacing:.02em}
.side-menu a{display:flex;align-items:center;gap:10px;padding:12px 13px;border-radius:10px;font-size:13px}
.side-menu a .mi{width:18px;text-align:center;opacity:.8;font-size:14px}
.side-menu a.active{background:linear-gradient(90deg,rgba(49,164,224,.24),rgba(49,164,224,.08));box-shadow:inset 3px 0 0 #46b9ef}
.side-menu .sep{font-size:10px;letter-spacing:.12em;padding-top:20px}
.topbar{height:70px;padding:0 30px;box-shadow:0 3px 14px rgba(41,78,100,.035)}
.top-title{display:flex;align-items:center;gap:8px}.topbar b{font-size:16px}.top-actions{gap:16px}.top-actions a{font-size:12px}.view-site{color:#138aca!important;font-weight:700}.admin-user{font-size:12px;background:#eff6fa;color:#476a7f;padding:7px 10px;border-radius:999px}
.content{padding:30px;max-width:1600px;width:100%;margin:0 auto}.page-head{margin-bottom:22px}.page-head h1{font-size:30px}.page-head p{font-size:13px;line-height:1.7}.btn{font-size:12px;padding:10px 16px}.btn-primary{background:linear-gradient(135deg,#158fd0,#0877b7);box-shadow:0 8px 18px rgba(11,125,187,.15)}.btn-ghost-small{background:transparent;color:#8195a3;border:1px solid #dfe9ef}
.panel{border-radius:16px;box-shadow:0 10px 28px rgba(40,80,104,.045)}
.toolbar{justify-content:space-between;padding:15px 16px}.toolbar input{min-width:300px;font-size:12px}.toolbar-link{font-size:12px;color:#148bca}
th{font-size:10px}.thumb-empty{display:grid;place-items:center;color:#9babb5;font-size:10px}.section-key{font-size:10px;font-weight:800;color:#168bc9;letter-spacing:.08em;margin-bottom:8px}.section-tile{padding:18px}.section-tile h3{font-size:16px}.section-tile p{font-size:11px;min-height:34px}
.modal-card{width:min(1120px,100%)}.modal-head h2{font-size:20px}.modal-head small{display:block;font-size:11px;color:#8a9eaa;margin-top:4px}.modal-body{padding:24px}.field label{font-size:11px;text-transform:none;letter-spacing:0;font-weight:700;color:#526f82}.field input,.field textarea,.field select{font-size:13px;padding:11px 12px}.rich-editor{font-size:14px;min-height:360px}.editor-tools{gap:6px}.editor-tools>span{width:1px;background:#dde8ee;margin:2px 2px}.editor-tools button,.editor-upload{font-size:11px!important;padding:6px 9px!important}.media-uploader-actions{display:flex;align-items:center;gap:12px}.media-uploader-actions small{font-size:10px;color:#91a2ad}.upload-empty{font-size:11px;color:#9aabb6;padding:18px}.cover-item{width:190px;height:120px}
.media-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.media-card img,.media-card video{width:100%;height:130px;object-fit:cover;background:#eef4f7;display:block}.media-card div{font-size:10px;padding:9px 9px 3px}.media-card small{display:block;padding:0 9px 10px;font-size:9px;color:#9aabb5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 网站设置：分组 + 大预览 */
.settings-section{margin-bottom:18px;overflow:visible}.settings-section-head{padding:20px 22px 15px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfdfe)}.settings-section-head h2{margin:0 0 5px;font-size:18px}.settings-section-head p{margin:0;font-size:11px;color:#8297a5;line-height:1.6}.settings-grid{padding:20px 22px;gap:18px}.media-setting-card{display:grid;grid-template-columns:minmax(300px,42%) 1fr;gap:20px;border:1px solid #e0eaf0;border-radius:15px;padding:14px;background:#f9fcfd}.setting-preview{margin:0;min-height:190px;height:190px;border-radius:12px;background:linear-gradient(145deg,#eef5f8,#fff);border:1px solid #dce8ee}.setting-preview img{width:100%;height:100%;max-height:none;object-fit:contain;padding:10px}.setting-preview video{width:100%;height:100%;max-height:none;object-fit:contain}.preview-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#93a6b2;font-size:12px}.media-setting-info{display:flex;flex-direction:column;justify-content:center;min-width:0}.media-path-input{background:#fff!important;color:#6d8290!important;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace!important;font-size:11px!important}.media-actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.media-setting-info>small{font-size:10px;color:#93a4ae;overflow-wrap:anywhere}.settings-savebar{position:sticky;bottom:16px;z-index:18;background:rgba(8,35,55,.94);backdrop-filter:blur(12px);border-radius:14px;color:#c9dbe6;padding:13px 16px;margin:18px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;box-shadow:0 18px 40px rgba(10,37,54,.2)}.settings-savebar span{font-size:11px}.password-panel{margin-top:18px}.panel-actions{display:flex;justify-content:flex-end;padding:0 22px 20px}

/* 媒体库选择弹窗 */
.media-picker{position:fixed;inset:0;background:rgba(3,18,30,.66);backdrop-filter:blur(5px);z-index:130;display:none;align-items:center;justify-content:center;padding:26px}.media-picker.open{display:flex}.media-picker-card{width:min(1100px,100%);max-height:88vh;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 35px 100px rgba(0,0,0,.28);display:flex;flex-direction:column}.media-picker-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.media-picker-head h3{margin:0 0 4px;font-size:18px}.media-picker-head p{margin:0;color:#899ca8;font-size:11px}.media-picker-grid{padding:18px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;overflow:auto}.media-pick-item{border:1px solid #dfe9ef;background:#fff;border-radius:11px;padding:0;overflow:hidden;cursor:pointer;text-align:left;transition:.2s}.media-pick-item:hover{transform:translateY(-2px);border-color:#4bb4e8;box-shadow:0 12px 26px rgba(45,120,158,.12)}.media-pick-item img{width:100%;height:120px;object-fit:cover;display:block;background:#eef4f7}.media-pick-item span{display:block;padding:8px;font-size:9px;color:#637d8e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.modal-open{overflow:hidden}

.login-logo{height:80px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;border:1px solid #e2ebf0;border-radius:13px;background:#fbfdfe}.login-card img{width:185px;max-height:58px;object-fit:contain;margin:0;filter:none!important}.login-label{display:block;font-size:11px;color:#607b8d;font-weight:700;margin-top:10px}.login-card p{font-size:12px;line-height:1.6}.login-card button{font-size:13px;padding:12px}

@media(max-width:1100px){.media-setting-card{grid-template-columns:1fr}.setting-preview{height:240px}.media-picker-grid{grid-template-columns:repeat(4,1fr)}.media-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:760px){.content{padding:18px}.top-actions .admin-user{display:none}.media-picker-grid{grid-template-columns:repeat(2,1fr)}.media-grid{grid-template-columns:repeat(2,1fr)}.settings-grid{padding:16px}.settings-section-head{padding:17px}.setting-preview{height:200px}.settings-savebar{bottom:8px}.settings-savebar span{display:none}.settings-savebar .btn{width:100%}.media-uploader-actions{align-items:flex-start;flex-direction:column}}