:root{--app-bg: #f5f5f7;--surface-bg: #ffffff;--surface-secondary: #fbfbfd;--text-primary: #1d1d1f;--text-secondary: #86868b;--border-color: rgba(0, 0, 0, .08);--accent: #0071e3;--accent-hover: #0077ed;--shadow-sm: 0 2px 12px rgba(0, 0, 0, .06);--shadow-md: 0 8px 32px rgba(0, 0, 0, .08);--radius-lg: 16px;--radius-md: 12px;--radius-sm: 10px;--header-h: 60px}body{background:var(--app-bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-header{position:sticky;top:0;z-index:50;background:#ffffffb8;backdrop-filter:saturate(200%) blur(24px);-webkit-backdrop-filter:saturate(200%) blur(24px);border-bottom:1px solid rgba(0,0,0,.06);color:var(--text-primary)}.app-header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding:0 24px;max-width:1500px;margin:0 auto}.app-header-right{display:flex;align-items:center;gap:6px}.app-header-expiry{display:inline-flex;align-items:center;padding:4px 10px;margin-right:4px;border-radius:20px;font-size:12px;font-weight:500;line-height:1;white-space:nowrap}.app-header-btn{color:var(--text-secondary)!important;font-weight:500;border-radius:10px;transition:background .2s ease,color .2s ease}.app-header-btn:hover{color:var(--accent)!important;background:#0071e30f!important}.app-header-user{display:inline-flex;align-items:center;gap:8px;padding:0 10px 0 6px;margin-right:4px;font-size:13px;font-weight:500;color:var(--text-primary)}.app-header-user-avatar{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(180deg,#0a84ff,#5e5ce6);box-shadow:0 2px 8px #0071e34d;flex:none}.solve-progress-dock{position:fixed;top:var(--header-h);left:0;right:0;z-index:49;padding:10px 24px;background:#fffffff0;backdrop-filter:saturate(200%) blur(20px);-webkit-backdrop-filter:saturate(200%) blur(20px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);animation:solve-dock-in .18s ease-out}.solve-progress-dock-inner{max-width:1500px;margin:0 auto}@keyframes solve-dock-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.app-content{padding:24px;background:var(--app-bg);min-height:calc(100vh - var(--header-h))}.ant-card{border:1px solid var(--border-color)!important;box-shadow:var(--shadow-sm)!important;background:var(--surface-bg)!important;border-radius:var(--radius-lg)!important;transition:box-shadow .25s ease,transform .25s ease}.ant-card:hover{box-shadow:var(--shadow-md)!important}.ant-card-head{border-bottom:1px solid var(--border-color)!important;font-weight:600}.ant-tabs-nav{margin-bottom:20px!important}.ant-tabs-tab{border-radius:var(--radius-md)!important;padding:10px 20px!important;font-weight:500;color:var(--text-secondary)!important;transition:all .2s ease}.ant-tabs-tab-active{background:var(--surface-bg)!important;box-shadow:var(--shadow-sm)!important;color:var(--accent)!important}.ant-tabs-ink-bar{display:none}.ant-form-item-label>label{color:var(--text-secondary);font-weight:500}.ant-input,.ant-input-number,.ant-select-selector{background:var(--surface-secondary)!important;border-color:var(--border-color)!important;transition:all .2s ease}.ant-input:focus,.ant-input-number:focus,.ant-select-focused .ant-select-selector{background:var(--surface-bg)!important;border-color:var(--accent)!important;box-shadow:0 0 0 3px #0071e31f!important}.ant-btn-primary{background:var(--accent)!important;border-color:var(--accent)!important;box-shadow:0 4px 14px #0071e340!important;font-weight:600;transition:all .2s ease}.ant-btn-primary:hover{background:var(--accent-hover)!important;transform:translateY(-1px);box-shadow:0 6px 20px #0071e352!important}.ant-descriptions{background:var(--surface-secondary);border-radius:var(--radius-md);padding:16px}.ant-descriptions-item-label{color:var(--text-secondary);font-weight:500}.ant-slider-track{background:var(--accent)!important}.ant-slider-handle:after{box-shadow:0 0 0 2px var(--accent)!important}.input-card{height:100%}.result-card{margin-bottom:16px}.preview-canvas{width:100%;height:100%!important;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--surface-secondary);box-shadow:inset 0 0 0 1px #ffffff80}.login-page{position:relative;display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh;background:#f5f5f7}.login-visual{position:relative;overflow:hidden;color:#fff;background-color:#0b1220;background-image:url(/app/assets/hero-container-C5sgZsgC.jpg);background-size:cover;background-position:center 40%;background-repeat:no-repeat;animation:login-visual-in .7s cubic-bezier(.22,1,.36,1) both}.login-visual-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0b122073,#0b122040 30%,#0b1220a6 75%,#0b1220c7),linear-gradient(90deg,#0000002e,#0000 60%);pointer-events:none}.login-visual-inner{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:space-between;height:100%;min-height:100vh;padding:56px 56px 44px;box-sizing:border-box}.login-visual-brand{animation:login-rise .6s cubic-bezier(.22,1,.36,1) both;animation-delay:.1s;filter:drop-shadow(0 2px 12px rgba(0,0,0,.35))}.login-visual-hero{max-width:540px;animation:login-rise .7s cubic-bezier(.22,1,.36,1) both;animation-delay:.2s}.login-visual-headline{font-size:48px;font-weight:800;line-height:1.1;letter-spacing:-.03em;color:#fff;margin:0 0 18px;text-shadow:0 4px 24px rgba(0,0,0,.35)}.login-visual-sub{font-size:16px;line-height:1.6;color:#ffffffc7;margin:0 0 28px;text-shadow:0 1px 8px rgba(0,0,0,.3)}.login-visual-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.login-visual-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;color:#ffffffeb;letter-spacing:.01em}.login-visual-point-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:#ffffff26;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font-size:14px;flex:none}.login-visual-foot{display:flex;justify-content:space-between;gap:16px;font-size:11.5px;color:#ffffff8c;letter-spacing:.02em;animation:login-rise .6s ease both;animation-delay:.35s}.login-visual-attr{text-align:right;opacity:.85}@keyframes login-visual-in{0%{opacity:0}to{opacity:1}}.login-panel{display:flex;align-items:center;justify-content:center;padding:48px 32px;background:#fbfbfd;position:relative}.login-panel-inner{display:flex;flex-direction:column;align-items:center;width:100%;max-width:420px;animation:login-rise .6s cubic-bezier(.22,1,.36,1) both;animation-delay:.15s}.login-card-brand{margin-bottom:26px}.login-card{width:100%;padding:36px 32px 28px;background:#ffffffdb;backdrop-filter:saturate(200%) blur(24px);-webkit-backdrop-filter:saturate(200%) blur(24px);border:1px solid rgba(255,255,255,.8);outline:1px solid rgba(0,0,0,.04);border-radius:22px;box-shadow:0 1px 1px #00000008,0 12px 40px #00000012,0 40px 120px #0000000d;text-align:left}@keyframes login-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.login-title{font-size:24px;font-weight:700;letter-spacing:-.025em;color:var(--text-primary);margin:0 0 6px}.login-subtitle{font-size:14px;line-height:1.5;color:var(--text-secondary);margin:0 0 26px}.login-label{display:block;font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.login-field{margin-bottom:18px}.login-field .ant-input-affix-wrapper{background:var(--surface-secondary)!important;border-radius:12px!important;padding-top:4px;padding-bottom:4px}.login-field .ant-input{background:transparent!important;font-size:15px}.login-field .ant-input::placeholder{color:#b0b0b6}.login-button{height:50px!important;font-size:16px!important;font-weight:600;border-radius:13px!important;margin-top:6px;background:linear-gradient(180deg,#0a84ff,#0071e3)!important;border:none!important;box-shadow:0 6px 20px #0071e34d!important;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease!important}.login-button:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 26px #0071e35c!important}.login-button:active{transform:translateY(0)}.login-agree{margin-top:16px;font-size:12px;line-height:1.6;color:var(--text-secondary)}.login-agree .ant-checkbox-wrapper{align-items:flex-start;font-size:12px;color:var(--text-secondary)}.login-agree .ant-checkbox{margin-top:3px}.login-agree-text a{color:var(--accent);text-decoration:none}.login-agree-text a:hover{text-decoration:underline}.login-hint{margin-top:14px;text-align:center;font-size:12px;color:var(--text-secondary)}.login-features{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 20px;margin-top:22px}.login-feature{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--text-secondary);letter-spacing:.01em}.login-feature .anticon{font-size:14px;color:var(--accent);opacity:.85}.login-footer{display:flex;justify-content:space-between;width:100%;margin-top:22px;font-size:11.5px;color:var(--text-secondary);opacity:.85;letter-spacing:.01em}@media (max-width: 1100px){.login-page{grid-template-columns:1fr;grid-template-rows:340px 1fr}.login-visual{background-position:center 45%}.login-visual-inner{padding:32px 32px 22px;min-height:340px}.login-visual-headline{font-size:30px}.login-visual-sub{font-size:14.5px;line-height:1.55;margin-bottom:18px}.login-visual-points{flex-direction:row;flex-wrap:wrap;gap:8px 16px}.login-visual-points li{font-size:13.5px}.login-visual-foot{font-size:10.5px}.login-panel{padding:40px 24px}}@media (max-width: 720px){.login-page{grid-template-rows:300px 1fr}.login-visual-inner{padding:24px 22px 18px;min-height:300px}.login-visual-headline{font-size:26px}.login-visual-sub{font-size:13.5px;margin-bottom:14px}.login-visual-points li{font-size:13px}.login-visual-foot{flex-direction:column;gap:4px}.login-visual-attr{text-align:left}.login-panel{padding:32px 20px}.login-card{padding:28px 24px 22px;border-radius:18px}}@media (max-width: 480px){.login-page{grid-template-rows:240px 1fr}.login-visual-inner{padding:20px 18px 14px;min-height:240px}.login-visual-headline{font-size:22px}.login-visual-sub{font-size:12.5px;margin-bottom:10px}.login-visual-points{gap:6px 10px}.login-visual-points li{font-size:12px}.login-card{padding:22px 18px 18px;border-radius:16px}.login-footer{flex-direction:column;gap:4px;align-items:center}}.share-shell{min-height:100vh;background:var(--app-bg)}.share-header{position:sticky;top:0;z-index:50;background:#ffffffc7;backdrop-filter:saturate(200%) blur(24px);-webkit-backdrop-filter:saturate(200%) blur(24px);border-bottom:1px solid rgba(0,0,0,.06)}.share-header-inner{max-width:1120px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.share-body{max-width:1120px;margin:0 auto;padding:20px 24px 48px}@media (max-width: 768px){.share-header-inner{padding:12px 14px}.share-body{padding:14px 12px 36px}}