.spv-viewer{--spv-bg:#ffffff;--spv-toolbar-bg:#861020;--spv-toolbar-fg:#ffffff;--spv-btn-hover:rgba( 255, 255, 255, 0.15 );--spv-border:#e5e7eb;--spv-radius:8px;--spv-sidebar-bg:#f3f4f6;--spv-sidebar-w:260px;--spv-tab-bg:#ececec;--spv-tab-fg:#374151;--spv-tab-active-bg:#2f2f2f;--spv-tab-active-fg:#ffffff;--spv-link-pane-bg:#ffffff;--spv-link-btn-bg:#861020;--spv-link-btn-fg:#ffffff;--spv-link-btn-hover-bg:#6d0d1a;--spv-link-btn-radius:8px;--spv-link-btn-padding:16px 32px;--spv-link-btn-font-size:17px;--spv-warn-gap:12px;display:flex;flex-direction:column;width:var(--spv-width,100%);max-width:100%;min-width:0;box-sizing:border-box;font-family:inherit}.spv-frame{box-sizing:border-box;border:1px solid var(--spv-border);border-radius:var(--spv-radius);overflow:hidden;background:var(--spv-bg);box-shadow:0 1px 3px rgb(0 0 0 / .08)}.spv-warnings{display:flex;flex-direction:column;gap:8px;margin-bottom:var(--spv-warn-gap,12px)}.spv-warning{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:var(--spv-radius);background:var(--spv-warn-bg,#2b7fd6);color:#fff;font-size:15px;font-weight:600;line-height:1.35}.spv-warning[hidden]{display:none!important}.spv-warning-icon{flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border:2px solid currentColor;border-radius:50%;font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:700;font-size:14px;line-height:1}.spv-warning-text{min-width:0}.spv-body{display:flex;align-items:stretch;flex:1 1 auto;min-width:0;min-height:0}.spv-sidebar{flex:0 0 var(--spv-sidebar-w);max-width:var(--spv-sidebar-w);box-sizing:border-box;background:var(--spv-sidebar-bg);border-right:1px solid var(--spv-border);padding:10px;overflow-y:auto}.spv-tabs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.spv-tabs li{margin:0;padding:0}.spv-tab{display:block;width:100%;text-align:left;box-sizing:border-box;padding:12px 14px;border:1px solid var(--spv-border);border-radius:8px;background:var(--spv-tab-bg);color:var(--spv-tab-fg);font-size:15px;font-weight:500;line-height:1.3;cursor:pointer;transition:background 0.15s ease,color 0.15s ease,box-shadow 0.15s ease}.spv-tab:hover,.spv-tab:focus-visible{background:#e2e2e2;outline:none}.spv-tab.is-active{background:var(--spv-tab-active-bg);color:var(--spv-tab-active-fg);border-color:var(--spv-tab-active-bg);box-shadow:0 1px 4px rgb(0 0 0 / .18)}.spv-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.spv-pdf-pane{display:flex;flex-direction:column;flex:1 1 auto;min-width:0}.spv-pdf-pane[hidden],.spv-link-pane[hidden]{display:none!important}.spv-link-pane{display:flex;align-items:flex-start;justify-content:flex-start;flex:1 1 auto;min-width:0;box-sizing:border-box;padding:40px 24px;min-height:var(--spv-height,800px);max-height:90vh;background:var(--spv-link-pane-bg,#ffffff)}.spv-link-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;max-width:100%;padding:var(--spv-link-btn-padding,16px 32px);border:none;border-radius:var(--spv-link-btn-radius,8px);background:var(--spv-link-btn-bg,#861020);color:var(--spv-link-btn-fg,#ffffff);font-size:var(--spv-link-btn-font-size,17px);font-weight:600;line-height:1.2;text-align:center;text-decoration:none;cursor:pointer;transition:background 0.15s ease,transform 0.05s ease;-webkit-tap-highlight-color:#fff0}.spv-link-button:hover,.spv-link-button:focus-visible{background:var(--spv-link-btn-hover-bg,#6d0d1a);color:var(--spv-link-btn-fg,#ffffff);outline:none}.spv-link-button:active{transform:translateY(1px)}.spv-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;background:var(--spv-toolbar-bg);color:var(--spv-toolbar-fg);flex-wrap:wrap}.spv-toolbar-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.spv-btn{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;border:none;border-radius:6px;background:#fff0;color:inherit;font-size:18px;line-height:1;cursor:pointer;text-decoration:none;transition:background 0.15s ease;-webkit-tap-highlight-color:#fff0}.spv-btn:hover,.spv-btn:focus-visible{background:var(--spv-btn-hover);outline:none}.spv-pageinfo{font-size:14px;min-width:64px;text-align:center;white-space:nowrap}.spv-btn-download{gap:8px;padding:0 14px;font-size:14px;font-weight:600;background:rgb(255 255 255 / .16);white-space:nowrap}.spv-btn-download:hover,.spv-btn-download:focus-visible{background:rgb(255 255 255 / .3)}.spv-dl-icon{font-size:18px;line-height:1}.spv-dl-label{line-height:1}.spv-canvas-wrap{position:relative;width:100%;max-width:100%;min-width:0;box-sizing:border-box;height:var(--spv-height,800px);max-height:90vh;overflow:hidden;background:#fff}.spv-canvas-scroll{position:absolute;inset:0;overflow:auto;-webkit-overflow-scrolling:touch;display:flex;justify-content:safe center;align-items:flex-start;padding:16px;box-sizing:border-box}.spv-canvas{display:block;max-width:none;height:auto;flex:0 0 auto;box-shadow:0 2px 8px rgb(0 0 0 / .15);background:#fff}.spv-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:14px;color:#6b7280}.spv-empty{display:flex;align-items:center;justify-content:center;min-height:160px;padding:32px 20px;border:1px dashed var(--spv-border,#e5e7eb);border-radius:8px;background:#f9fafb;color:#6b7280;font-size:15px;font-weight:500;text-align:center}.spv-notice{padding:12px 16px;border:1px dashed #f59e0b;background:#fffbeb;color:#92400e;border-radius:8px;font-size:14px;line-height:1.5;margin-top:8px}.spv-notice code{background:rgb(0 0 0 / .06);padding:1px 5px;border-radius:4px;font-size:13px}@media (max-width:782px){.spv-body{flex-direction:column}.spv-warning{padding:10px 14px;font-size:14px}.spv-sidebar{flex:0 0 auto;max-width:100%;width:100%;border-right:none;border-bottom:1px solid var(--spv-border);padding:8px}.spv-tabs{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:6px;padding-bottom:4px;-webkit-overflow-scrolling:touch}.spv-tab{white-space:nowrap;padding:10px 14px}.spv-toolbar{padding:6px 8px;gap:6px;justify-content:center}.spv-btn{min-width:42px;height:42px}.spv-btn-download{padding:0 12px;font-size:13px}.spv-canvas-wrap{max-height:80vh}.spv-link-pane{min-height:320px;padding:32px 16px}.spv-canvas-scroll{padding:8px}.spv-pageinfo{font-size:13px;min-width:54px}}@media (max-width:400px){.spv-toolbar{gap:4px}.spv-btn-download{padding:0 10px;font-size:12px}}