:root{
  --bg:#f7f7f8;--surface:#fff;--surface-2:#fbfbfc;--sidebar:#f4f4f5;--text:#202123;--muted:#6b6c70;--faint:#9b9ca2;--border:#e6e7eb;--primary:#635bff;--primary-2:#2f8cff;--primary-soft:rgba(99,91,255,.10);--success:#16a36a;--warning:#e59a18;--danger:#e5484d;--shadow:0 12px 36px rgba(24,30,48,.08);--shadow-sm:0 2px 10px rgba(24,30,48,.06);--radius:16px;--radius-sm:11px;--sidebar-w:248px;--topbar-h:66px;--editor:#fff;--editor-text:#161616;--star-opacity:0;--glass:rgba(255,255,255,.78)
}
body[data-theme="dark"]{--bg:#171717;--surface:#212121;--surface-2:#272727;--sidebar:#111;--text:#f4f4f5;--muted:#b2b3b8;--faint:#777980;--border:#353535;--primary:#8b83ff;--primary-2:#4da3ff;--primary-soft:rgba(139,131,255,.15);--success:#3fc98d;--warning:#f0b044;--danger:#ff6672;--shadow:0 16px 42px rgba(0,0,0,.28);--shadow-sm:0 2px 10px rgba(0,0,0,.24);--glass:rgba(33,33,33,.82)}
body[data-theme="cosmic"]{--bg:#080d21;--surface:rgba(18,22,61,.86);--surface-2:rgba(30,26,82,.72);--sidebar:rgba(8,10,33,.92);--text:#f6f4ff;--muted:#c4c1df;--faint:#8c89aa;--border:rgba(164,151,255,.22);--primary:#8e63ff;--primary-2:#1ca9ff;--primary-soft:rgba(142,99,255,.18);--success:#45e0aa;--warning:#ffbd59;--danger:#ff6b8b;--shadow:0 18px 55px rgba(0,0,0,.35);--shadow-sm:0 4px 18px rgba(0,0,0,.28);--glass:rgba(20,23,69,.76);--star-opacity:1}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}body{min-height:100vh;overflow-x:hidden}body[data-theme="cosmic"]:before,body[data-theme="cosmic"]:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2}body[data-theme="cosmic"]:before{background:radial-gradient(circle at 18% 14%,rgba(101,68,255,.26),transparent 28%),radial-gradient(circle at 78% 8%,rgba(0,150,255,.18),transparent 25%),linear-gradient(135deg,#070a1f 0%,#181044 48%,#071b45 100%)}body[data-theme="cosmic"]:after{opacity:.65;background-image:radial-gradient(#fff 1px,transparent 1px),radial-gradient(#8bd8ff 1px,transparent 1px);background-size:48px 48px,83px 83px;background-position:0 0,22px 15px}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.hidden{display:none!important}.muted{color:var(--muted)}.faint{color:var(--faint)}.danger{color:var(--danger)}.success{color:var(--success)}.warning{color:var(--warning)}.nowrap{white-space:nowrap}.boot-screen{min-height:100vh;display:grid;place-items:center;align-content:center;gap:18px;color:var(--muted)}.brand-orbit{width:58px;height:58px;border-radius:50%;border:3px solid var(--primary-soft);position:relative}.brand-orbit:before{content:"";position:absolute;inset:11px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 0 30px rgba(99,91,255,.35)}.brand-orbit span{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--primary-2);top:-2px;left:21px;transform-origin:6px 31px;animation:orbit 1.6s linear infinite}@keyframes orbit{to{transform:rotate(360deg)}}
.auth-page{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:var(--bg)}.auth-hero{padding:70px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;background:linear-gradient(145deg,#100a37,#32217d 55%,#076db6);color:#fff}.auth-hero:after{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-180px;top:-120px;box-shadow:0 0 0 60px rgba(255,255,255,.03),0 0 0 120px rgba(255,255,255,.02)}.auth-brand{position:relative;z-index:1}.auth-brand h1{font-size:48px;margin:18px 0 12px;letter-spacing:-.03em}.auth-brand p{font-size:19px;line-height:1.8;color:rgba(255,255,255,.78);max-width:620px}.auth-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;position:relative;z-index:1}.auth-point{padding:18px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.08);backdrop-filter:blur(16px)}.auth-panel{display:grid;place-items:center;padding:40px}.auth-card{width:min(430px,100%);background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:32px;box-shadow:var(--shadow)}.auth-tabs{display:flex;background:var(--surface-2);padding:4px;border-radius:12px;margin-bottom:24px}.auth-tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:10px;border-radius:9px}.auth-tabs button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}
.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;z-index:30}.logo{height:48px;display:flex;align-items:center;gap:11px;padding:0 10px;font-size:20px;font-weight:800;letter-spacing:-.02em}.logo-mark{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));position:relative;box-shadow:0 7px 18px rgba(99,91,255,.26)}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:50%;border:2px solid rgba(255,255,255,.8)}.new-project-btn{margin:14px 4px 10px;border:0;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));height:44px;border-radius:12px;font-weight:700;box-shadow:0 10px 24px rgba(99,91,255,.24)}.nav-scroll{overflow:auto;padding-right:2px}.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);padding:19px 12px 7px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;margin:2px 0;border-radius:11px;color:var(--muted);font-size:14px;transition:.18s}.nav-item:hover{background:var(--surface);color:var(--text)}.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:700}.nav-icon{width:19px;height:19px;display:grid;place-items:center}.nav-icon svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.sidebar-bottom{margin-top:auto;padding:10px 4px}.quota-card{border:1px solid var(--border);background:var(--surface);padding:14px;border-radius:14px}.quota-row{display:flex;justify-content:space-between;align-items:center}.quota-number{font-size:24px;font-weight:800;color:var(--primary)}.mini-upgrade{border:0;background:var(--primary-soft);color:var(--primary);padding:7px 10px;border-radius:8px;font-weight:700}.main{grid-column:2;min-width:0}.topbar{height:var(--topbar-h);position:sticky;top:0;z-index:20;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px}.project-switch{max-width:360px;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:9px 12px;color:var(--text)}.theme-switch{display:flex;align-items:center;gap:5px;background:var(--surface-2);padding:4px;border:1px solid var(--border);border-radius:999px}.theme-dot{width:27px;height:27px;border-radius:50%;border:2px solid transparent;padding:0}.theme-dot.active{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft)}.theme-dot.light{background:#fff}.theme-dot.dark{background:#14151b}.theme-dot.cosmic{background:linear-gradient(135deg,#5a24c9,#0aa4ff)}.language-select{height:38px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);padding:0 10px}.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:#fff;font-weight:800}.content{padding:28px 30px 50px;max-width:1600px;margin:0 auto}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:24px}.page-title h1{font-size:27px;letter-spacing:-.03em;margin:0 0 7px}.page-title p{margin:0;color:var(--muted);line-height:1.6}.head-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);height:42px;padding:0 16px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;transition:.18s}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn.primary{border:0;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 8px 22px rgba(99,91,255,.22)}.btn.danger{color:#fff;background:var(--danger);border-color:transparent}.btn.ghost{background:transparent}.btn.small{height:34px;padding:0 11px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.card-pad{padding:20px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat-card{padding:20px}.stat-label{color:var(--muted);font-size:13px}.stat-value{font-size:31px;font-weight:800;margin-top:8px;letter-spacing:-.04em}.stat-trend{font-size:12px;color:var(--success);margin-top:8px}.hero{padding:34px 0 24px;text-align:center}.hero h1{font-size:32px;margin:0 0 22px;letter-spacing:-.04em}.spark{color:var(--primary)}.composer{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:16px;box-shadow:var(--shadow)}.composer textarea{width:100%;min-height:90px;border:0;outline:0;resize:vertical;background:transparent;color:var(--text);font-size:16px;padding:5px 6px}.composer-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}.composer-actions{display:flex;gap:8px;flex-wrap:wrap}.circle-send{width:42px;height:42px;border:0;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));font-size:18px}.quick-grid{max-width:900px;margin:20px auto 0;grid-template-columns:repeat(4,minmax(0,1fr))}.quick-card{padding:18px;text-align:left;transition:.18s}.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.quick-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:20px;margin-bottom:14px}.quick-card h3{margin:0 0 7px;font-size:15px}.quick-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.section-title{display:flex;align-items:center;justify-content:space-between;margin:28px 0 13px}.section-title h2{font-size:18px;margin:0}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:720px}.data-table th,.data-table td{padding:14px 16px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}.data-table th{color:var(--muted);font-weight:600;background:var(--surface-2)}.data-table tr:last-child td{border-bottom:0}.progress{height:6px;background:var(--surface-2);border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:99px}.badge{display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border-radius:999px;font-size:12px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}.badge.success{background:rgba(22,163,106,.1);color:var(--success);border-color:rgba(22,163,106,.2)}.badge.warning{background:rgba(229,154,24,.1);color:var(--warning);border-color:rgba(229,154,24,.2)}.badge.danger{background:rgba(229,72,77,.1);color:var(--danger);border-color:rgba(229,72,77,.2)}.badge.primary{background:var(--primary-soft);color:var(--primary);border-color:rgba(99,91,255,.18)}.steps{display:flex;align-items:center;gap:8px;overflow:auto;padding:8px 0 22px}.step{display:flex;align-items:center;gap:8px;color:var(--faint);font-size:13px;white-space:nowrap}.step-num{width:28px;height:28px;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;background:var(--surface)}.step.active,.step.done{color:var(--primary);font-weight:700}.step.active .step-num,.step.done .step-num{background:var(--primary);color:#fff;border-color:var(--primary)}.step-line{height:1px;background:var(--border);min-width:36px;flex:1}.upload-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.upload-card{padding:20px;min-height:214px;display:flex;flex-direction:column}.upload-head{display:flex;justify-content:space-between;align-items:flex-start}.upload-title{display:flex;gap:12px}.file-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}.dropzone{margin-top:17px;border:1.5px dashed color-mix(in srgb,var(--primary) 34%,var(--border));border-radius:14px;flex:1;min-height:112px;display:grid;place-items:center;text-align:center;padding:18px;background:linear-gradient(135deg,var(--primary-soft),transparent)}.dropzone input{display:none}.file-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px;margin-top:10px;background:var(--surface-2)}.file-row .grow{flex:1;min-width:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:650}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:650}.input,.textarea,.select{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;padding:11px 12px;outline:0;transition:.18s}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.textarea{min-height:120px;resize:vertical}.analysis-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(390px,.8fr);gap:16px}.doc-preview{min-height:680px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.doc-toolbar{height:52px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.doc-paper{margin:22px auto;background:var(--editor);color:var(--editor-text);width:min(760px,calc(100% - 32px));min-height:1000px;padding:72px 68px;box-shadow:0 5px 26px rgba(0,0,0,.10);font-family:"SimSun",serif;line-height:1.85}.doc-paper h1,.doc-paper h2,.doc-paper h3{font-family:"SimHei",sans-serif}.analysis-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);overflow:auto;padding:0 12px}.analysis-tab{border:0;background:transparent;color:var(--muted);padding:14px 11px;white-space:nowrap}.analysis-tab.active{color:var(--primary);font-weight:700;border-bottom:2px solid var(--primary)}.analysis-panel{padding:18px}.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.info-item{padding:13px;border:1px solid var(--border);border-radius:11px;background:var(--surface-2)}.info-item small{display:block;color:var(--muted);margin-bottom:6px}.risk-list{display:grid;gap:9px}.risk-item{padding:13px;border:1px solid var(--border);border-radius:11px}.risk-item.high{border-left:4px solid var(--danger)}.risk-item.medium{border-left:4px solid var(--warning)}.risk-item.low{border-left:4px solid var(--primary-2)}.outline-layout{display:grid;grid-template-columns:minmax(330px,.7fr) minmax(0,1.3fr);gap:16px}.outline-list{padding:12px;max-height:720px;overflow:auto}.outline-item{display:grid;grid-template-columns:24px minmax(0,1fr) 90px 34px;gap:8px;align-items:center;padding:9px;border-radius:10px}.outline-item:hover,.outline-item.active{background:var(--primary-soft)}.drag{color:var(--faint);cursor:grab}.workbench{display:grid;grid-template-columns:280px minmax(560px,1fr) 340px;gap:0;height:calc(100vh - var(--topbar-h));margin:-28px -30px -50px}.work-col{border-right:1px solid var(--border);min-width:0;background:var(--surface)}.work-col:last-child{border-right:0}.work-head{height:58px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-weight:700}.chapter-list{padding:10px;height:calc(100% - 58px);overflow:auto}.chapter-row{padding:11px 10px;border-radius:10px;margin:2px 0;display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:13px}.chapter-row.active{background:var(--primary-soft);color:var(--primary);font-weight:700}.chapter-row:hover{background:var(--surface-2)}.chapter-status{width:9px;height:9px;border-radius:50%;margin-top:4px;background:var(--faint)}.chapter-status.completed{background:var(--success)}.chapter-status.generating{background:var(--warning);animation:pulse 1.2s infinite}.chapter-status.failed{background:var(--danger)}@keyframes pulse{50%{opacity:.35}}.editor-toolbar{height:48px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px;padding:0 12px;overflow:auto}.tool-btn{border:0;background:transparent;color:var(--muted);width:32px;height:32px;border-radius:8px}.tool-btn:hover{background:var(--surface-2);color:var(--text)}.editor-scroll{height:calc(100% - 106px);overflow:auto;background:var(--bg);padding:22px}.editor-paper{max-width:840px;min-height:1080px;margin:0 auto;background:var(--editor);color:var(--editor-text);box-shadow:0 6px 25px rgba(0,0,0,.12);padding:78px 82px}.editor-area{width:100%;min-height:900px;border:0;resize:none;outline:0;background:transparent;color:var(--editor-text);font-family:"SimSun",serif;font-size:16px;line-height:1.9}.editor-foot{height:48px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:12px;color:var(--muted)}.assistant-chat{height:calc(100% - 58px);display:flex;flex-direction:column}.chat-messages{padding:14px;overflow:auto;flex:1}.bubble{padding:12px 13px;border-radius:14px;margin-bottom:11px;font-size:13px;line-height:1.7}.bubble.ai{background:var(--surface-2);border:1px solid var(--border)}.bubble.user{background:var(--primary-soft);margin-left:26px}.quick-actions{display:flex;gap:7px;flex-wrap:wrap;padding:0 14px 12px}.quick-actions button{border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 9px;border-radius:9px;font-size:12px}.chat-input{padding:12px;border-top:1px solid var(--border)}.chat-box{display:flex;gap:8px;border:1px solid var(--border);border-radius:13px;padding:8px;background:var(--surface-2)}.chat-box textarea{flex:1;border:0;outline:0;resize:none;background:transparent;color:var(--text);min-height:54px}.inspection-summary{grid-template-columns:repeat(4,minmax(0,1fr))}.score-card{padding:20px;position:relative;overflow:hidden}.score-card strong{font-size:34px;display:block;margin-top:8px}.score-card:after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;background:var(--primary-soft);right:-30px;top:-30px}.inspection-layout{display:grid;grid-template-columns:250px minmax(360px,.8fr) minmax(430px,1fr);min-height:620px}.inspection-nav,.issue-list,.issue-detail{border-right:1px solid var(--border);padding:14px}.issue-detail{border-right:0}.inspection-nav button{width:100%;text-align:left;border:0;background:transparent;color:var(--muted);padding:11px;border-radius:10px;margin-bottom:4px}.inspection-nav button.active{background:var(--primary-soft);color:var(--primary);font-weight:700}.issue-card{padding:13px;border:1px solid var(--border);border-radius:11px;margin-bottom:9px}.issue-card.active{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.compare{display:grid;gap:10px}.compare-box{padding:13px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border)}.compare-box.bad{background:rgba(229,72,77,.08);border-color:rgba(229,72,77,.22)}.compare-box.good{background:rgba(22,163,106,.08);border-color:rgba(22,163,106,.22)}.material-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.material-card{padding:18px}.material-card h3{font-size:15px;margin:0 0 8px}.material-card p{color:var(--muted);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));align-items:stretch}.price-card{padding:24px;display:flex;flex-direction:column;position:relative}.price-card.recommended{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft),var(--shadow)}.price-card h3{margin:0}.price{font-size:38px;font-weight:850;margin:18px 0 4px}.price small{font-size:14px;font-weight:500;color:var(--muted)}.features{display:grid;gap:10px;color:var(--muted);font-size:13px;margin:20px 0;flex:1}.feature:before{content:"✓";color:var(--success);font-weight:800;margin-right:7px}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.image-card{overflow:hidden}.image-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.image-card .meta{padding:12px}.empty{padding:50px 20px;text-align:center;color:var(--muted)}.empty-icon{width:58px;height:58px;margin:0 auto 15px;border-radius:18px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-size:25px}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;padding:20px;z-index:100;backdrop-filter:blur(4px)}.modal{width:min(620px,96vw);max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.modal-body{padding:20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.icon-close{border:0;background:transparent;color:var(--muted);font-size:22px}.skeleton{background:linear-gradient(90deg,var(--surface-2),var(--border),var(--surface-2));background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:8px}@keyframes shimmer{to{background-position:-200% 0}}#toast-root{position:fixed;right:20px;top:82px;z-index:200;display:grid;gap:9px}.toast{min-width:260px;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:13px 15px;box-shadow:var(--shadow);animation:toastin .25s ease}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}@keyframes toastin{from{opacity:0;transform:translateY(-8px)}}.mobile-menu{display:none}.only-mobile{display:none}
@media(max-width:1180px){:root{--sidebar-w:210px}.grid-4,.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workbench{grid-template-columns:230px minmax(500px,1fr)}.workbench .work-col:last-child{display:none}.analysis-layout{grid-template-columns:1fr}.material-grid,.image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.auth-page{grid-template-columns:1fr}.auth-hero{display:none}.app-shell{display:block}.sidebar{transform:translateX(-100%);transition:.2s;width:270px;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.main{grid-column:auto}.topbar{padding:0 14px}.mobile-menu{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid var(--border);background:var(--surface);border-radius:10px;color:var(--text)}.topbar .project-switch,.topbar .quota-label,.user-name{display:none}.content{padding:20px 14px 36px}.grid-2,.grid-3,.grid-4,.upload-grid,.form-grid,.pricing-grid,.material-grid,.image-grid,.inspection-summary{grid-template-columns:1fr}.field.full{grid-column:auto}.quick-grid{grid-template-columns:1fr 1fr}.outline-layout{grid-template-columns:1fr}.workbench{display:block;height:auto;margin:-20px -14px -36px}.work-col{border-right:0;border-bottom:1px solid var(--border);height:auto}.workbench .work-col:first-child{max-height:280px}.workbench .work-col:last-child{display:block}.editor-scroll{height:auto;min-height:720px}.editor-paper{padding:42px 30px;min-height:800px}.assistant-chat{height:520px}.inspection-layout{grid-template-columns:1fr}.inspection-nav,.issue-list,.issue-detail{border-right:0;border-bottom:1px solid var(--border)}.analysis-layout{grid-template-columns:1fr}.doc-paper{padding:38px 26px}.only-mobile{display:block}}
@media(max-width:520px){.quick-grid{grid-template-columns:1fr}.theme-switch{display:none}.language-select{max-width:120px}.page-head{display:block}.head-actions{margin-top:14px}.composer-foot{align-items:flex-end}.composer-actions .btn:nth-child(n+3){display:none}.auth-panel{padding:18px}.auth-card{padding:22px}.info-grid{grid-template-columns:1fr}.outline-item{grid-template-columns:20px minmax(0,1fr) 70px 30px}.price{font-size:32px}}
.notice-box{padding:13px 14px;border:1px solid color-mix(in srgb,var(--warning) 30%,var(--border));background:color-mix(in srgb,var(--warning) 8%,var(--surface));border-radius:12px;color:var(--muted);font-size:13px;line-height:1.7}
@media (max-width:720px){.user-name,.quota-label{display:none}.topbar{padding:0 12px}.language-select{max-width:112px}}

/* ===== V4 首页：参考高端 AI 工作台布局 ===== */
.logo{padding:0 7px;gap:9px}.logo-text{white-space:nowrap}.edition-badge{font-size:10px;font-weight:700;color:var(--primary);border:1px solid color-mix(in srgb,var(--primary) 32%,var(--border));background:var(--primary-soft);border-radius:6px;padding:3px 5px}.nav-flat{padding-top:18px}.nav-flat .nav-item{padding:12px 13px;margin:5px 0;color:var(--text);font-weight:560}.nav-flat .nav-item.active{background:linear-gradient(90deg,var(--primary-soft),color-mix(in srgb,var(--primary-soft) 44%,transparent));box-shadow:inset 3px 0 0 var(--primary)}.nav-separator{height:1px;background:var(--border);margin:12px 10px}.pro-card{border:1px solid color-mix(in srgb,var(--primary) 24%,var(--border));background:linear-gradient(150deg,var(--surface),color-mix(in srgb,var(--primary-soft) 70%,var(--surface)));padding:15px;border-radius:15px;box-shadow:var(--shadow-sm)}.pro-card-title{display:flex;align-items:center;gap:8px;color:var(--warning)}.pro-crown{font-size:18px}.pro-card p{font-size:12px;line-height:1.6;color:var(--muted);margin:9px 0 12px}.pro-upgrade{width:100%;height:34px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--primary);font-weight:700}.autosave-state{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}.autosave-check{display:inline-grid;place-items:center;width:18px;height:18px;border:1.5px solid var(--success);color:var(--success);border-radius:50%;font-size:11px;font-weight:800}.quota-label{font-size:12px;color:var(--muted);white-space:nowrap}.quota-label strong{color:var(--primary);font-size:13px;margin-left:5px}.top-icon{position:relative;width:34px;height:34px;border-radius:50%;border:0;background:transparent;color:var(--muted);font-weight:800}.top-icon:hover{background:var(--surface-2);color:var(--text)}.notification-icon span{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--danger);right:5px;top:5px}.home-content{max-width:none;padding:24px 28px 42px}.home-dashboard{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start;max-width:1500px;margin:0 auto}.home-primary{min-width:0}.home-hero{padding:14px 0 16px}.home-hero h1{font-size:30px;margin-bottom:22px}.home-composer{max-width:900px;border-radius:17px;padding:15px 17px;box-shadow:0 9px 35px rgba(24,30,48,.07)}.home-composer textarea{min-height:74px;font-size:15px}.soft-action{background:var(--surface);border-color:var(--border);color:var(--muted)}.composer-right{display:flex;align-items:center;gap:10px}.model-chip{height:34px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--border);border-radius:9px;font-size:12px;color:var(--muted);background:var(--surface)}.prompt-samples{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;margin:17px auto 0;color:var(--muted);font-size:12px}.prompt-samples button{border:1px solid var(--border);background:var(--surface);color:var(--muted);padding:8px 13px;border-radius:999px}.prompt-samples button:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.home-quick-grid{max-width:none;margin:24px 0 0;gap:14px}.home-quick-card{position:relative;min-height:144px;padding:20px 19px;border-radius:14px}.home-quick-card p{padding-right:8px}.home-quick-card .quick-icon{width:44px;height:44px;margin-bottom:11px;font-weight:800}.quick-icon.violet,.quick-icon.purple{background:linear-gradient(135deg,rgba(98,91,255,.12),rgba(152,101,255,.18));color:#725dff}.quick-icon.green{background:rgba(22,163,106,.11);color:#16a36a}.quick-icon.orange{background:rgba(255,153,61,.13);color:#f08a28}.card-arrow{position:absolute;left:19px;bottom:14px;color:var(--primary);font-size:18px}.recent-project-card{margin-top:16px;border-radius:14px;overflow:hidden}.recent-card-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.recent-card-head h2{font-size:17px;margin:0}.home-link{border:0;background:transparent;color:var(--primary);font-size:12px;font-weight:650;padding:5px}.home-table-scroll{overflow:auto}.home-project-table{width:100%;border-collapse:collapse;min-width:720px}.home-project-table th,.home-project-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--border);font-size:12px}.home-project-table th{background:var(--surface-2);color:var(--muted);font-weight:600}.home-project-table tr:last-child td{border-bottom:0}.home-project-table td:first-child{display:flex;align-items:center;gap:9px}.project-file-icon{display:inline-grid;place-items:center;width:25px;height:25px;border:1px solid var(--border);border-radius:6px;color:var(--muted);background:var(--surface-2)}.home-status{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border-radius:6px;font-size:11px;border:1px solid var(--border);background:var(--surface-2)}.home-status span{width:6px;height:6px;border-radius:50%;background:currentColor}.home-status.primary{color:var(--primary);background:var(--primary-soft);border-color:color-mix(in srgb,var(--primary) 20%,var(--border))}.home-status.success{color:var(--success);background:rgba(22,163,106,.08);border-color:rgba(22,163,106,.18)}.home-status.warning{color:var(--warning);background:rgba(229,154,24,.08);border-color:rgba(229,154,24,.18)}.home-status.danger{color:var(--danger);background:rgba(229,72,77,.08);border-color:rgba(229,72,77,.18)}.risk-pill{display:inline-flex;padding:4px 7px;border-radius:6px;background:rgba(229,154,24,.1);color:var(--warning);font-size:11px}.row-more{border:0;background:transparent;color:var(--muted);margin-left:8px;letter-spacing:2px}.home-empty{padding:34px;text-align:center;color:var(--muted)}.home-empty .btn{margin-top:10px}.home-assistant{position:sticky;top:calc(var(--topbar-h) + 20px);padding:17px;border-radius:15px;min-height:690px}.assistant-head{display:flex;gap:8px;align-items:center;font-size:15px;margin-bottom:14px}.assistant-banner{position:relative;min-height:110px;padding:20px 74px 16px 16px;border:1px solid color-mix(in srgb,var(--primary) 20%,var(--border));border-radius:12px;background:linear-gradient(135deg,var(--primary-soft),color-mix(in srgb,var(--primary-2) 8%,var(--surface)));overflow:hidden}.assistant-banner strong{font-size:14px}.assistant-banner p{font-size:11px;color:var(--muted);margin:7px 0 0}.assistant-refresh{position:absolute;right:10px;bottom:10px;border:1px solid color-mix(in srgb,var(--primary) 22%,var(--border));border-radius:999px;background:var(--surface);color:var(--primary);font-size:10px;padding:5px 8px}.assistant-planet{position:absolute;right:14px;top:18px;width:48px;height:48px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff 0 12%,#947bff 38%,#4d53d7 70%);box-shadow:0 0 26px rgba(99,91,255,.38)}.assistant-planet:before,.assistant-planet:after{content:"";position:absolute;left:-10px;right:-10px;top:19px;height:9px;border:3px solid rgba(119,104,255,.42);border-radius:50%;transform:rotate(-10deg)}.assistant-planet span{position:absolute;width:5px;height:5px;border-radius:50%;background:#fff;left:14px;top:18px;box-shadow:16px 2px 0 #7ff5ff}.assistant-section{margin-top:20px}.assistant-section h3{display:flex;align-items:center;gap:8px;font-size:13px;margin:0 0 10px}.assistant-section h3 span{color:var(--primary)}.assistant-advice,.tip-row{width:100%;display:flex;gap:8px;text-align:left;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:9px;padding:10px 11px;margin-bottom:7px;font-size:11px;line-height:1.55}.assistant-advice:hover,.tip-row:hover{border-color:var(--primary);color:var(--text);background:var(--primary-soft)}.assistant-advice span{color:var(--primary)}.tips-section{margin-top:18px}.more-help{width:100%;height:37px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--primary);font-size:11px;margin-top:6px}
body[data-theme="dark"] .home-composer,body[data-theme="dark"] .home-assistant,body[data-theme="dark"] .recent-project-card{box-shadow:0 14px 40px rgba(0,0,0,.23)}
body[data-theme="cosmic"] .sidebar,body[data-theme="cosmic"] .topbar{background:rgba(9,12,39,.82);backdrop-filter:blur(20px)}body[data-theme="cosmic"] .card,body[data-theme="cosmic"] .composer,body[data-theme="cosmic"] .home-assistant,body[data-theme="cosmic"] .recent-project-card{background:linear-gradient(145deg,rgba(27,29,80,.82),rgba(10,25,67,.78));box-shadow:0 18px 48px rgba(0,0,0,.30),inset 0 1px 0 rgba(255,255,255,.05)}body[data-theme="cosmic"] .home-hero h1{text-shadow:0 0 28px rgba(142,99,255,.22)}body[data-theme="cosmic"] .home-project-table th{background:rgba(255,255,255,.035)}
@media(max-width:1280px){.home-dashboard{grid-template-columns:1fr}.home-assistant{position:static;display:grid;grid-template-columns:220px 1fr 1fr;gap:14px;min-height:0}.assistant-head{grid-column:1/-1}.assistant-section{margin-top:0}.assistant-banner{min-height:170px}.home-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){.autosave-state,.top-icon,.quota-label{display:none}.home-assistant{display:block}.assistant-section{margin-top:18px}.home-content{padding:18px 14px 32px}.home-hero h1{font-size:25px}.home-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.home-quick-grid{grid-template-columns:1fr}.prompt-samples{justify-content:flex-start}.model-chip{display:none}.home-assistant{padding:14px}.language-select{max-width:112px}.home-composer{padding:13px}.home-hero h1{font-size:22px}.home-project-table{min-width:650px}}