:root{--blue:#4285f4;--blue-dark:#1a73e8;--blue-light:#e8f0fe;--blue-soft:#f6f9fe;--green:#188038;--green-light:#e6f4ea;--red:#d93025;--red-light:#fce8e6;--yellow:#f9ab00;--yellow-light:#fef7e0;--bg:#f8f9fa;--surface:#fff;--surface-2:#fdfdfd;--border:#e0e3e7;--border-strong:#d2d7de;--text:#202124;--text2:#5f6368;--text3:#80868b;--text4:#9aa0a6;--shadow-xs:0 1px 2px #3c404314;--shadow:0 1px 3px #3c404329, 0 1px 2px #3c404314;--shadow-md:0 4px 10px #3c40431f, 0 2px 6px #3c404314;--shadow-lg:0 10px 24px #3c404329, 0 2px 8px #3c404314;--radius-xs:10px;--radius-sm:14px;--radius:20px;--radius-lg:24px;--font:Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100%}body{font-family:var(--font);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background:radial-gradient(circle at top,#eef4ff 0,#eef4ff00 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66%);border-radius:50%;position:absolute;inset:0}.upload-hint{color:#202124;letter-spacing:-.2px;font-size:24px;font-weight:500;line-height:1.3}.upload-or{color:var(--text2);margin-top:8px;font-size:15px}.upload-browse{color:var(--blue-dark);font-weight:500}.upload-meta{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:16px;display:flex}.meta-chip{color:#5f6368;height:28px;box-shadow:var(--shadow-xs);background:#fff;border:1px solid #e2e6eb;border-radius:999px;align-items:center;padding:0 12px;font-size:12px;font-weight:500;display:inline-flex}.meta-sep{color:var(--text4)}.upload-formats{color:var(--text3);font-size:13px}.upload-file{width:100%;max-width:560px;box-shadow:var(--shadow-md);background:#fffffff0;border:1px solid #e6ebf1;border-radius:20px;align-items:center;gap:16px;padding:18px 18px 18px 16px;display:flex}.file-badge{border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:54px;height:54px;display:flex;box-shadow:inset 0 1px #ffffffa6}.file-badge.docx{color:#1a73e8;background:#4285f41f}.file-badge.pdf{color:#d93025;background:#d930251f}.file-badge.pptx{color:#e37400;background:#f9ab0024}.file-badge.xlsx{color:#188038;background:#1880381f}.file-detail{text-align:left;flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.file-name{color:#202124;white-space:nowrap;text-overflow:ellipsis;width:100%;font-size:15px;font-weight:500;overflow:hidden}.file-size{color:var(--text3);margin-top:4px;font-size:13px}.file-remove{width:36px;height:36px;color:var(--text4);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:all .16s;display:flex}.file-remove:hover{background:var(--red-light);color:var(--red)}.upload-busy{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:520px;display:flex}.busy-orbit{background:radial-gradient(circle,#4285f414 0%,#4285f400 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#4285f42e}.progress-steps{color:var(--text4);grid-template-columns:repeat(5,1fr);gap:8px;margin-top:12px;font-size:12px;display:grid}.progress-steps span{text-align:center;white-space:nowrap;position:relative}.progress-steps span.on{color:var(--blue-dark);font-weight:500}.action-row{justify-content:center;margin-top:18px;display:flex}.translate-btn{appearance:none;background:var(--blue-dark);color:#fff;cursor:pointer;border:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-width:180px;height:48px;padding:0 24px;font-size:15px;font-weight:500;transition:all .2s;display:inline-flex;box-shadow:0 2px 6px #1a73e842}.translate-btn:hover:not(:disabled){background:#1765cc;transform:translateY(-1px);box-shadow:0 4px 14px #1a73e83d}.translate-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}.card{border:1px solid var(--border);box-shadow:var(--shadow);background:#fffffff0;border-radius:22px;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;display:flex}.card-ok{background:linear-gradient(#f7fcf8 0%,#fff 100%);border-color:#d6eadb}.card-err{background:linear-gradient(#fff8f7 0%,#fff 100%);border-color:#f0d3d0}.card-left{align-items:center;gap:14px;min-width:0;display:flex}.card-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.card-icon.ok{background:linear-gradient(#34a853 0%,#188038 100%);box-shadow:0 8px 18px #18803838}.card-icon.err{background:linear-gradient(#ea4335 0%,#d93025 100%);box-shadow:0 8px 18px #d9302533}.card-title{color:#202124;font-size:15px;font-weight:600}.card-sub{color:var(--text2);word-break:break-all;margin-top:3px;font-size:13px;line-height:1.5}.dl-btn{height:40px;color:var(--green);cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #c9dfcf;border-radius:999px;align-items:center;gap:6px;padding:0 18px;font-size:14px;font-weight:500;transition:all .2s;display:inline-flex}.dl-btn:hover{background:var(--green-light);border-color:#b9d8c1}.close-btn{height:38px;color:var(--red);cursor:pointer;background:#fff;border:1px solid #ead3d0;border-radius:999px;padding:0 16px;font-size:14px;transition:all .2s}.close-btn:hover{background:var(--red-light)}.history{margin-top:4px}.history-head{color:var(--text2);align-items:center;gap:8px;margin-bottom:10px;font-size:14px;font-weight:600;display:flex}.clear-btn{color:var(--red);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:12px}.clear-btn:hover{text-decoration:underline}.history-list{flex-direction:column;gap:8px;display:flex}.history-item{box-shadow:var(--shadow-xs);background:#ffffffeb;border:1px solid #e7eaee;border-radius:18px;justify-content:space-between;align-items:center;gap:14px;padding:13px 15px;transition:all .2s;display:flex}.history-item:hover{box-shadow:var(--shadow);border-color:#dde3ea}.history-item.fail{opacity:.82}.hi-left{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.hi-icon{background:#f1f3f4;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.hi-name{color:#202124;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.hi-meta{color:var(--text3);margin-top:3px;font-size:12px}.hi-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.hi-tag{border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;height:26px;padding:0 10px;font-size:12px;font-weight:500;display:inline-flex}.hi-tag.completed{background:var(--green-light);color:var(--green);border-color:#d2e9d8}.hi-tag.failed{background:var(--red-light);color:var(--red);border-color:#f3d6d3}.hi-tag.running{background:var(--blue-light);color:var(--blue-dark);border-color:#d6e4fd}.hi-dl{cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:all .16s;display:flex}.hi-dl:hover{background:var(--blue-light)}.footer{text-align:center;color:var(--text4);margin-top:auto;padding:20px 16px 28px;font-size:12px}@media (width<=768px){.header{flex-wrap:wrap;align-items:flex-start;gap:10px;height:auto;min-height:58px;padding:10px 14px}.header-left{min-width:0}.brand{font-size:18px}.header-center{order:3;width:100%;padding:0}.header-right{min-width:auto;margin-left:auto}.type-tabs{scrollbar-width:none;-webkit-overflow-scrolling:touch;justify-content:flex-start;width:100%;overflow:auto 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14px}.upload-visual{width:92px;height:92px}.upload-icon-circle{width:70px;height:70px}.upload-hint{font-size:20px}.upload-or{font-size:14px}.upload-file{border-radius:18px;gap:12px;max-width:100%;padding:14px}.file-badge{border-radius:14px;width:48px;height:48px}.upload-busy{max-width:100%}.progress-steps{gap:4px;font-size:11px}.action-row{margin-top:14px}.translate-btn{width:100%;min-width:0;height:46px}.card{text-align:left;border-radius:18px;flex-direction:column;align-items:stretch;padding:16px}.card-left{align-items:flex-start}.dl-btn,.close-btn{justify-content:center;width:100%}.history-item{border-radius:16px;flex-direction:column;align-items:flex-start;padding:12px}.hi-right{justify-content:space-between;width:100%}}@media (width<=420px){.brand{font-size:17px}.hero-title{font-size:25px}.upload-hint{font-size:18px}.lang-trigger{min-height:60px}.lang-value{font-size:15px}.progress-steps{grid-template-columns:repeat(5,1fr);font-size:10px}}