*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #fafafa;--card: #ffffff;--border: #ececec;--border-strong: #d4d4d4;--text: #1a1a1a;--text-2: #6b7280;--text-3: #9ca3af;--hover: #f5f5f5;--primary: #1a1a1a;--primary-text: #ffffff;--danger: #b91c1c;--danger-bg: #fef2f2;--danger-border: #fecaca;--success: #15803d;--success-bg: #f0fdf4;--success-border: #bbf7d0;--warn: #b45309;--warn-bg: #fffbeb;--warn-border: #fde68a;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .04);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .06), 0 12px 32px rgba(0, 0, 0, .08);--radius-sm: 8px;--radius: 10px;--radius-lg: 14px}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;gap:16px;padding:14px 28px;background:var(--card);border-bottom:1px solid var(--border);position:relative;z-index:1}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--primary);color:var(--primary-text);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;letter-spacing:.5px;box-shadow:var(--shadow-sm)}.brand-name{font-size:16px;font-weight:600;color:var(--text);letter-spacing:.2px}.brand-sub{margin-left:auto;font-size:13px;color:var(--text-3)}.app-main{flex:1;padding:24px;max-width:1100px;width:100%;margin:0 auto}.app-footer{text-align:center;padding:18px 16px;font-size:12px;color:var(--text-3)}.expiry-banner{background:#fffbeb;border-bottom:1px solid #fde68a;color:#92400e;font-size:13px;line-height:1.6}.banner-inner{max-width:1100px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:10px}.banner-icon{font-size:16px;line-height:1}.banner-text{flex:1;min-width:0}.banner-text strong{color:#78350f;font-weight:600}.banner-close{background:transparent;border:none;color:#b45309;font-size:22px;line-height:1;cursor:pointer;padding:0 6px;border-radius:6px;transition:all .15s;font-family:inherit}.banner-close:hover{background:#fde68a;color:#78350f}.banner-fade-enter-active,.banner-fade-leave-active{transition:all .25s ease}.banner-fade-enter-from,.banner-fade-leave-to{opacity:0;transform:translateY(-4px)}@media (max-width: 640px){.app-header{padding:12px 16px;gap:10px}.app-main{padding:12px}.brand-sub{display:none}.brand-name{font-size:15px}.banner-inner{padding:8px 12px;gap:8px;font-size:12.5px}.banner-icon{font-size:14px}}