:root{--primary-color:#3b82f6;--primary-light:#60a5fa;--primary-dark:#2563eb;--bg-color:#f8fafc;--bg-gradient:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border-radius:12px;--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -2px rgba(0, 0, 0, 0.1);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -4px rgba(0, 0, 0, 0.1)}*{margin:0;padding:0;box-sizing:border-box}body,html{width:100%;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.5;color:var(--text-primary);background-color:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none}body{opacity:1!important;transition:opacity .2s ease}.view{display:none;width:100%;min-height:100vh}.view.active{display:flex;align-items:center;justify-content:center}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px}.loading-spinner{width:40px;height:40px;border:3px solid rgba(59,130,246,.2);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{margin-top:16px;font-size:14px;color:var(--text-secondary)}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.error-icon{font-size:48px;margin-bottom:16px}.error-message{font-size:16px;color:var(--text-secondary);max-width:280px;line-height:1.6}.image-container{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;background:linear-gradient(180deg,#f8fafc 0,#e2e8f0 100%)}.image-container.image-only{justify-content:flex-start;padding:16px;background:linear-gradient(180deg,#f8fafc 0,#e2e8f0 100%)}.image-container.image-only .image-wrapper{width:100%;padding:8px;background:#fff;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.12)}.image-container.image-only .scan-image{width:100%;border-radius:12px}.image-container.with-content{justify-content:flex-start;padding:16px;gap:16px;height:100vh;min-height:100vh;box-sizing:border-box}.image-container.with-content .image-wrapper{width:100%;flex:1 1 auto;min-height:0;overflow:hidden;padding:8px;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.12);background:#fff;display:flex;align-items:center;justify-content:center}.image-container.with-content .scan-image{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;border-radius:12px}.image-container.with-content .content-section{flex:0 0 auto}.image-wrapper{width:100%;display:flex;justify-content:center;align-items:flex-start;transition:all .3s ease}.image-link{display:block;width:100%}.scan-image{width:100%;height:auto;display:block;border-radius:16px;-webkit-touch-callout:default;-webkit-user-select:none;user-select:none}.scan-image{opacity:0;transition:opacity .3s ease,transform .3s ease}.scan-image.loaded{opacity:1}.content-section{width:100%;padding:20px 24px;background:#fff;border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,.08);border:1px solid rgba(0,0,0,.04);flex-shrink:0}.content-text{font-size:15px;color:var(--text-primary);line-height:1.8;white-space:pre-wrap;word-break:break-word;letter-spacing:.02em}.redirect-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.redirect-text{margin-top:20px;font-size:16px;color:var(--text-primary);font-weight:500}.redirect-fallback{margin-top:12px;font-size:14px;color:var(--text-secondary)}.redirect-fallback a{color:var(--primary-color);text-decoration:none}.redirect-fallback a:hover{text-decoration:underline}.wechat-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.wechat-icon{font-size:64px;margin-bottom:20px}.wechat-title{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.wechat-message{font-size:14px;color:var(--text-secondary)}@media screen and (max-width:375px){.error-message,.loading-text,.redirect-text{font-size:14px}.content-text{font-size:14px}}@media (prefers-color-scheme:dark){:root{--bg-color:#0f172a;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b}.image-container{background:linear-gradient(180deg,#1e293b 0,#0f172a 100%)}.image-container.image-only{background:linear-gradient(180deg,#1e293b 0,#0f172a 100%)}.image-container.image-only .image-wrapper{background:#1e293b;box-shadow:0 8px 32px rgba(0,0,0,.3)}.content-section{background:#1e293b;border-color:rgba(255,255,255,.08);box-shadow:0 4px 24px rgba(0,0,0,.3)}.image-container.with-content .image-wrapper{background:#1e293b;box-shadow:0 8px 32px rgba(0,0,0,.3)}}@supports (padding-bottom:env(safe-area-inset-bottom)){.content-section,.image-container{padding-bottom:env(safe-area-inset-bottom)}}