:root{--primary-color:#0f766e;--primary-light:#14b8a6;--primary-dark:#115e59;--accent-color:#f59e0b;--bg-color:#f6f7f4;--text-primary:#202522;--text-secondary:#66736c;--text-muted:#8d9892;--surface-color:#ffffff;--surface-muted:#eef2ef;--border-radius:8px;--shadow:0 8px 28px rgba(26, 36, 32, 0.08);--shadow-lg:0 16px 44px rgba(26, 36, 32, 0.12)}*{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;min-width:168px;padding:40px 28px}.loading-mark{position:relative;width:112px;height:4px;overflow:hidden;border-radius:999px;background:#dfe7e2}.loading-mark::before{content:'';position:absolute;top:0;left:-42%;width:42%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary-dark),var(--primary-light),var(--accent-color));animation:loadingSweep 1.1s ease-in-out infinite}.loading-mark-small{width:96px}@keyframes loadingSweep{0%{left:-42%}55%{left:34%}100%{left:100%}}.loading-title{margin-top:18px;font-size:15px;font-weight:600;color:var(--text-primary)}.loading-text{margin-top:5px;font-size:13px;color:var(--text-secondary)}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:min(100% - 48px,320px);padding:32px 24px;text-align:center;background:var(--surface-color);border:1px solid #e1e7e3;border-radius:var(--border-radius);box-shadow:var(--shadow)}.error-icon{position:relative;width:42px;height:42px;margin-bottom:16px;border:1px solid #f1c68a;border-radius:50%;background:#fff8ed}.error-icon::after,.error-icon::before{content:'';position:absolute;left:50%;width:2px;border-radius:2px;background:#c26b16;transform:translateX(-50%)}.error-icon::before{top:11px;height:14px}.error-icon::after{bottom:10px;height:2px}.error-message{font-size:15px;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,#f6f7f4 0,#ecefeb 100%)}.image-container.image-only{justify-content:flex-start;padding:16px;gap:16px;background:linear-gradient(180deg,#f6f7f4 0,#ecefeb 100%)}.image-container.image-only .image-wrapper{width:100%;padding:8px;background:var(--surface-color);border:1px solid #e1e7e3;border-radius:var(--border-radius);box-shadow:var(--shadow)}.image-container.image-only .scan-image{width:100%;border-radius:6px}.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:1px solid #e1e7e3;border-radius:var(--border-radius);box-shadow:var(--shadow);background:var(--surface-color);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:6px}.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:var(--border-radius);-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}.safety-tip-banner{display:none;align-items:center;justify-content:space-between;width:min(420px,100%);flex-shrink:0;margin:0 auto;padding:11px 12px;background:rgba(255,255,255,.94);border:1px solid rgba(15,118,110,.16);border-radius:var(--border-radius);box-shadow:var(--shadow-lg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.safety-tip-banner.visible{display:flex}.safety-tip-content{display:inline-flex;align-items:center;min-width:0;gap:9px}.safety-tip-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;color:var(--primary-color);flex-shrink:0;line-height:1}.safety-tip-icon svg{width:100%;height:100%;display:block;fill:currentColor}.safety-tip-text{min-width:0;color:var(--text-primary);font-size:14px;font-weight:500;line-height:1.4;text-align:left;word-break:break-word}.safety-tip-close{flex:0 0 auto;width:26px;height:26px;margin-left:10px;border:0;border-radius:50%;background:var(--surface-muted);color:var(--text-secondary);font-size:16px;line-height:1;cursor:pointer;padding:0}.content-section{width:100%;padding:18px 20px;background:var(--surface-color);border-radius:var(--border-radius);box-shadow:var(--shadow);border:1px solid #e1e7e3;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;min-width:168px;padding:40px 28px;text-align:center}.redirect-text{margin-top:18px;font-size:15px;color:var(--text-primary);font-weight:600}.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;width:min(100% - 48px,320px);padding:34px 24px 32px;text-align:center;background:var(--surface-color);border:1px solid #e1e7e3;border-radius:var(--border-radius);box-shadow:var(--shadow)}.wechat-icon{position:relative;width:50px;height:38px;margin-bottom:20px;border:2px solid var(--primary-color);border-radius:18px}.wechat-icon::after{content:'';position:absolute;left:12px;bottom:-7px;width:12px;height:12px;border-left:2px solid var(--primary-color);border-bottom:2px solid var(--primary-color);background:var(--surface-color);transform:rotate(-28deg)}.wechat-icon span,.wechat-icon span::after{content:'';position:absolute;top:16px;width:5px;height:5px;border-radius:50%;background:var(--primary-color)}.wechat-icon span{left:15px}.wechat-icon span::after{left:15px;top:0}.wechat-title{font-size:18px;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:#111715;--text-primary:#edf3ef;--text-secondary:#a5b4ad;--text-muted:#738179;--surface-color:#18211e;--surface-muted:#24312d}.image-container{background:linear-gradient(180deg,#18211e 0,#111715 100%)}.image-container.image-only{background:linear-gradient(180deg,#18211e 0,#111715 100%)}.image-container.image-only .image-wrapper{background:var(--surface-color);border-color:rgba(255,255,255,.08);box-shadow:0 12px 36px rgba(0,0,0,.28)}.content-section,.error-container,.wechat-container{background:var(--surface-color);border-color:rgba(255,255,255,.08);box-shadow:0 12px 36px rgba(0,0,0,.28)}.image-container.with-content .image-wrapper{background:var(--surface-color);border-color:rgba(255,255,255,.08);box-shadow:0 12px 36px rgba(0,0,0,.28)}.loading-mark{background:#2a3732}.safety-tip-banner{background:rgba(24,33,30,.94);border-color:rgba(20,184,166,.2)}.wechat-icon::after{background:var(--surface-color)}}@supports (padding-bottom:env(safe-area-inset-bottom)){.content-section,.image-container{padding-bottom:env(safe-area-inset-bottom)}}