:root{color:#122033;font-synthesis:none;text-rendering:optimizelegibility;--ink:#122033;--muted:#607086;--muted-soft:#8795a7;--glass:#ffffff75;--glass-strong:#ffffffad;--glass-soft:#ffffff4d;--silver:#e1eaf48f;--line:#ffffffbd;--line-strong:#869ebe57;--accent:#1f7fe5;--accent-strong:#0f66c5;--danger:#ba3d4a;--shadow:0 20px 54px #2f527a21;--inner-glow:inset 0 1px 0 #ffffffd6;--radius:20px;--safe-top:env(safe-area-inset-top,0px);--safe-right:env(safe-area-inset-right,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);background:#edf4fb;font-family:Microsoft YaHei UI,PingFang SC,Noto Sans CJK SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;overscroll-behavior-y:none;background:#edf4fb;min-width:320px;min-height:100%}body{overscroll-behavior-y:none;background:linear-gradient(120deg,#ffffffe0 0%,#fff0 28%),radial-gradient(circle at 14% 12%,#67aaee3d,#0000 25rem),radial-gradient(circle at 86% 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16px;display:flex}.header-copy{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}h1,h2,p{margin-top:0}h1{letter-spacing:0;color:#102a48;margin-bottom:0;font-size:clamp(24px,3vw,34px);font-weight:850;line-height:1}h2{letter-spacing:0;margin-bottom:0;font-size:20px}.action-hint{color:var(--muted)}.header-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.count-badge,.ghost-button,.primary-button{border:1px solid var(--line);white-space:nowrap;min-height:40px;box-shadow:var(--inner-glow);-webkit-backdrop-filter:blur(22px)saturate(1.4);border-radius:14px;justify-content:center;align-items:center;padding:0 15px;display:inline-flex}.count-badge{background:linear-gradient(180deg, #ffffff8a, #e8eff84d), var(--glass-soft);color:var(--muted);font-size:14px;font-weight:700}.ghost-button{background:linear-gradient(180deg, #ffffff9e, #e8f0f957), var(--glass);color:var(--ink)}.ghost-button:not(:disabled):hover{border-color:var(--line-strong);background:var(--glass-strong)}.primary-button{background:linear-gradient(180deg, #ffffff57, #ffffff0f), var(--accent);color:#fff;border-color:#ffffffa8;font-weight:800;box-shadow:inset 0 1px #ffffff80,0 12px 28px #0a84ff47}.primary-button:not(:disabled):hover{background:linear-gradient(180deg, #ffffff38, #fff0), var(--accent-strong)}.workspace{grid-template-columns:minmax(0,1fr) minmax(288px,324px);align-items:start;gap:16px;max-width:1240px;margin:0 auto;display:grid}.workbench{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg, #ffffffa3, #eaf1fa4d), var(--glass);min-height:calc(100vh - 174px);box-shadow:var(--shadow), var(--inner-glow);-webkit-backdrop-filter:blur(32px)saturate(1.5);padding:16px}.importer{background:linear-gradient(135deg, #ffffffb8, #e7eff95c), var(--glass);width:100%;min-height:88px;color:var(--ink);text-align:left;cursor:pointer;-webkit-backdrop-filter:blur(24px)saturate(1.5);border:1px solid #ffffffc7;border-radius:18px;align-items:center;gap:14px;padding:16px;display:flex;box-shadow:inset 0 1px #ffffffdb,0 12px 34px #2f527a14}.importer:hover{background:linear-gradient(135deg, #fffc, #e1edfa70), var(--glass-strong);border-color:#0a84ff6b}.importer.is-dragging{background:linear-gradient(120deg, #1f7fe52e, #ffffff9e), var(--glass);border-color:#0a84ffa3;box-shadow:inset 0 0 0 1px #0a84ff47,0 18px 42px #0a84ff24}.importer-mark{background:linear-gradient(180deg, #ffffff57, #ffffff14), var(--accent);color:#fff;border-radius:14px;flex:none;justify-content:center;align-items:center;width:46px;height:46px;font-size:28px;font-weight:500;display:inline-flex;box-shadow:inset 0 1px #ffffff85,0 10px 22px #0a84ff3d}.visually-hidden{clip:rect(0, 0, 0, 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