:root{--md-primary: #6366F1;--md-primary-dark: #4F46E5;--md-primary-light: #A5B4FC;--md-primary-bg: #EEF2FF;--md-on-primary: #fff;--md-accent: #F59E0B;--md-accent-dark: #D97706;--md-accent-bg: #FFFBEB;--md-error: #EF4444;--md-error-bg: #FEE2E2;--md-success: #10B981;--md-success-bg: #D1FAE5;--md-warning: #F59E0B;--md-warning-bg: #FEF3C7;--md-info: #06B6D4;--md-info-bg: #CFFAFE;--md-bg: #F5F7FA;--md-surface: #FFFFFF;--md-surface-variant: #F1F5F9;--md-surface-dim: #E2E8F0;--md-sidebar: #1E1B4B;--md-sidebar-hover: rgba(255,255,255,.06);--md-sidebar-active: rgba(99,102,241,.25);--md-text-high: rgba(0,0,0,.87);--md-text-medium: rgba(0,0,0,.6);--md-text-disabled: rgba(0,0,0,.38);--md-outline: rgba(0,0,0,.12);--md-outline-light: rgba(0,0,0,.06);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 999px;--elevation-0: none;--elevation-1: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--elevation-2: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);--elevation-3: 0 10px 15px -3px rgba(0,0,0,.07), 0 4px 6px -2px rgba(0,0,0,.03);--elevation-4: 0 20px 25px -5px rgba(0,0,0,.07), 0 10px 10px -5px rgba(0,0,0,.02);--elevation-5: 0 25px 50px -12px rgba(0,0,0,.14);--fast: .15s cubic-bezier(.4,0,.2,1);--normal: .25s cubic-bezier(.4,0,.2,1);--slow: .35s cubic-bezier(0,0,.2,1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);color:var(--md-text-high);background:var(--md-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#00000040}.icon{display:inline-block;vertical-align:middle;flex-shrink:0}#app{min-height:100vh}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--md-sidebar);display:flex;flex-direction:column;flex-shrink:0;box-shadow:2px 0 8px #00000026;z-index:10}.sidebar-brand{padding:20px var(--space-lg);color:#fff;font-weight:600;font-size:15px;letter-spacing:.04em;display:flex;align-items:center;gap:var(--space-sm);border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-nav{padding:var(--space-sm) 0;flex:1;overflow-y:auto}.sidebar-section{padding:var(--space-sm) var(--space-lg);padding-top:var(--space-md);color:#ffffff4d;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px var(--space-lg);margin:2px var(--space-sm);color:#ffffff8c;cursor:pointer;font-size:13.5px;font-weight:450;border-radius:var(--radius-sm);transition:all var(--fast);-webkit-user-select:none;user-select:none;position:relative;overflow:hidden}.sidebar-item .icon{opacity:.7}.sidebar-item:hover{background:var(--md-sidebar-hover);color:#ffffffd9}.sidebar-item:hover .icon{opacity:.9}.sidebar-item.active{background:var(--md-sidebar-active);color:#fff;font-weight:500}.sidebar-item.active .icon{opacity:1}.main{flex:1;display:flex;flex-direction:column;overflow-x:hidden;min-width:0;background:var(--md-bg)}.topbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);background:var(--md-surface);box-shadow:var(--elevation-1);flex-shrink:0;z-index:5}.topbar-title{font-size:16px;font-weight:600;color:var(--md-text-high);display:flex;align-items:center;gap:var(--space-sm)}.topbar-actions{display:flex;align-items:center;gap:var(--space-md)}.content{flex:1;padding:var(--space-lg);overflow-y:auto}h1{font-size:22px;font-weight:600;color:var(--md-text-high)}h2{font-size:17px;font-weight:600;color:var(--md-text-high);display:flex;align-items:center;gap:var(--space-sm)}h3{font-size:14px;font-weight:600;color:var(--md-text-high)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 20px;border:none;background:var(--md-surface);color:var(--md-text-high);font-family:var(--font);font-size:13px;font-weight:500;letter-spacing:.02em;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--fast);white-space:nowrap;line-height:1.4;position:relative;overflow:hidden;box-shadow:var(--elevation-1)}.btn:hover{box-shadow:var(--elevation-2);background:var(--md-surface-variant)}.btn:active{transform:scale(.97);box-shadow:var(--elevation-1)}.btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),rgba(0,0,0,.08) 0%,transparent 60%);opacity:0;transition:opacity .4s ease}.btn:active:after{opacity:1;transition-duration:.1s}.btn-primary{background:var(--md-primary);color:var(--md-on-primary);box-shadow:0 2px 8px #6366f14d}.btn-primary:hover{background:var(--md-primary-dark);box-shadow:0 4px 14px #6366f159}.btn-primary:after{background:radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),rgba(255,255,255,.2) 0%,transparent 60%)}.btn-danger{background:transparent;color:var(--md-error);box-shadow:none;border:1px solid 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transparent}.content-card:hover{box-shadow:var(--elevation-3);transform:translateY(-2px)}.content-card-title{font-size:14px;font-weight:600;color:var(--md-text-high);margin-bottom:var(--space-xs)}.content-card-desc{font-size:13px;color:var(--md-text-medium);margin-bottom:var(--space-sm);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.content-card-meta{font-size:12px;color:var(--md-text-disabled)}.content-card-tags{display:flex;gap:var(--space-xs);flex-wrap:wrap;margin-top:var(--space-sm)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s var(--easing, cubic-bezier(.4,0,.2,1))}.modal{width:560px;max-height:85vh;overflow-y:auto;background:var(--md-surface);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-xl);box-shadow:var(--elevation-5);animation:dialogIn .25s cubic-bezier(0,0,.2,1)}.modal-title{font-size:18px;font-weight:600;margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--md-outline-light);display:flex;align-items:center;gap:var(--space-sm)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--md-outline-light)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes dialogIn{0%{opacity:0;transform:scale(.92) translateY(10px)}to{opacity:1;transform:none}}.empty{text-align:center;padding:var(--space-2xl) var(--space-lg);color:var(--md-text-disabled);font-size:14px}.empty-icon{width:64px;height:64px;margin:0 auto 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6px;border-radius:var(--radius-full);font-size:11px;font-weight:600;background:var(--md-primary);color:var(--md-on-primary)}.divider{height:1px;background:var(--md-outline-light);margin:var(--space-md) 0}.price{font-size:16px;font-weight:700;color:var(--md-error)}.price-currency{font-size:12px;font-weight:500}.trend{display:inline-flex;align-items:center;gap:2px;font-size:13px;font-weight:600}.trend-up{color:var(--md-success)}.trend-down{color:var(--md-error)}.quick-action{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-md);border-radius:var(--radius-md);cursor:pointer;transition:all var(--fast);text-decoration:none;color:var(--md-text-medium);font-size:12px;font-weight:500}.quick-action:hover{background:var(--md-surface-variant);color:var(--md-primary)}.quick-action-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transition:all var(--fast)}.quick-action:hover .quick-action-icon{transform:scale(1.08)}.guide-banner{background:var(--md-surface);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--elevation-1);margin-bottom:var(--space-lg);display:flex;align-items:flex-start;gap:var(--space-md)}.guide-banner-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--md-primary-bg);color:var(--md-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.guide-banner-text{flex:1}.guide-banner-title{font-size:14px;font-weight:600;margin-bottom:4px}.guide-banner-desc{font-size:13px;color:var(--md-text-medium);line-height:1.5}.guide-banner .btn{flex-shrink:0;align-self:center}.content-card-img{margin:calc(var(--space-md) * -1) calc(var(--space-md) * -1) var(--space-sm);border-radius:var(--radius-md) var(--radius-md) 0 0;overflow:hidden;max-height:160px}.content-card-img img{width:100%;height:100%;object-fit:cover;display:block}.content-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--md-surface-variant);display:flex;align-items:center;justify-content:center;color:var(--md-text-medium);flex-shrink:0}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--md-primary);color:#fff;border:none;box-shadow:var(--elevation-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--fast);z-index:30}.fab:hover{box-shadow:var(--elevation-4);transform:scale(1.05)}.fab:active{transform:scale(.95)}.empty-guide{text-align:center;padding:var(--space-2xl) var(--space-lg)}.empty-guide-icon{width:72px;height:72px;margin:0 auto var(--space-md);border-radius:var(--radius-lg);background:var(--md-surface-variant);display:flex;align-items:center;justify-content:center;color:var(--md-text-disabled)}.empty-guide-title{font-size:16px;font-weight:600;margin-bottom:var(--space-xs);color:var(--md-text-high)}.empty-guide-desc{font-size:13px;color:var(--md-text-medium);margin-bottom:var(--space-lg);line-height:1.6}.empty-guide-steps{display:inline-flex;flex-direction:column;gap:var(--space-sm);text-align:left;background:var(--md-surface-variant);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-sm);font-size:13px;color:var(--md-text-medium)}.empty-guide-steps .step{display:flex;align-items:center;gap:var(--space-sm)}.empty-guide-steps .step-num{width:22px;height:22px;border-radius:50%;background:var(--md-primary);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.bg-grid{background-image:radial-gradient(circle,rgba(0,0,0,.03) 1px,transparent 1px);background-size:20px 20px}