*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0}img{max-width:100%;height:auto}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #1880dd;outline-offset:4px}button[disabled]{cursor:default}[hidden]{display:none!important}.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-150%);z-index:100;background:#fff;color:#143c70;padding:10px}.skip-link:focus{transform:none}.image-figure{margin:0;min-width:0}.image-figure>a{display:block;position:relative;line-height:0}.image-figure img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.image-figure figcaption{font-size:12px;line-height:1.7;color:#64748b;margin-top:9px}.image-open{position:absolute;bottom:10px;right:10px;background:#fffefa;color:#224467;border:1px solid #d7e0ec;font-size:12px;line-height:1.5;padding:5px 8px;box-shadow:0 2px 5px #0001;transition:transform .16s}.image-figure a:hover .image-open{transform:translateY(-3px)}.image-figure.tutorial-image img,.image-figure[data-tutorial-image] img{aspect-ratio:auto}.contact-dock{position:fixed;right:18px;bottom:24px;z-index:30;display:grid;gap:8px}.contact-dock button{border:1px solid #e1e7ef;background:#fff;box-shadow:0 4px 20px #173b6520;padding:10px 13px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:650;border-radius:7px;color:#25425f;transition:transform .18s}.contact-dock button:hover{transform:translateX(-3px)}.contact-dock img{display:block;width:25px;height:25px}.contact-dialog{width:min(420px,calc(100% - 28px));max-height:calc(100svh - 32px);border:1px solid #dce4ee;border-radius:12px;padding:24px;background:white;color:#243c55;box-shadow:0 25px 90px #061c3955;overflow:auto}.contact-dialog::backdrop,.image-viewer::backdrop{background:#06162fbb;backdrop-filter:blur(3px)}.contact-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e4eaf1;padding-bottom:15px}.contact-dialog-head h2{margin:0;font-size:20px}.contact-dialog-head button,.viewer-bar button{background:#edf2f8;border:0;padding:8px 12px;border-radius:4px;color:#213f66}.contact-badge{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:22px}.contact-badge h3{margin:0;font-size:19px}.contact-dialog section{text-align:center}.contact-dialog section>p{color:#64748b;font-size:14px}.contact-number{display:block;font-size:29px;letter-spacing:1px;color:#115baf;margin:20px 0}.contact-dialog-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.contact-dialog-actions button,.contact-dialog-actions a{padding:10px 14px;border:1px solid #0a66c2;background:#0a66c2;color:#fff;border-radius:5px;font-size:14px;text-decoration:none}.contact-dialog-actions button{background:#edf5ff;color:#0a5aad}.contact-qr{display:block;width:220px;height:220px;object-fit:contain;margin:12px auto}.copy-status{font-size:13px;line-height:1.6;text-align:center;min-height:21px;color:#14763b}.contact-phone{font-size:13px;text-align:center;border-top:1px solid #e4eaf1;padding-top:15px;margin-bottom:0}.image-viewer{width:min(1380px,96vw);max-width:96vw;max-height:95svh;border:0;border-radius:8px;background:#fff;padding:12px;overflow:auto}.viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:14px;padding-bottom:10px}.viewer-image{display:block;width:auto;max-width:100%;max-height:77svh;object-fit:contain;margin:auto}.viewer-source{display:block;text-align:right;font-size:12px;margin:10px 0 0;color:#125aab}body.modal-open{overflow:hidden}@media(max-width:900px){.contact-dock{right:9px}.contact-dock button{padding:9px}.contact-dock span{font-size:12px}}@media(max-width:600px){.contact-dock{position:relative;right:auto;bottom:auto;display:flex;justify-content:center;padding:17px 12px 24px;background:#f1f5fa;border-top:1px solid #dce5f0;gap:12px}.contact-dock button{min-height:44px;padding:9px 16px}.contact-dock span{font-size:13px}.contact-dialog{padding:18px}.image-open{font-size:11px;bottom:7px;right:7px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(min-width:601px) and (max-width:1100px){.contact-dock{position:relative;right:auto;bottom:auto;display:flex;justify-content:flex-end;padding:18px 28px;background:#f4f6f8;border-top:1px solid #dce5f0}.contact-dock button{min-height:44px;padding:9px 16px}}
.contact-dialog .contact-dialog-actions a{color:#fff;font-weight:600}@media(min-width:1101px){.contact-dock{right:8px;width:66px}.contact-dock button{width:66px;min-height:66px;flex-direction:column;gap:4px;padding:8px 3px}.contact-dock button span{font-size:12px;line-height:1.4;white-space:nowrap}}
.contact-dock>button[data-contact="qq"]{background:#1678d2;border-color:#1678d2;color:#fff}.contact-dock>button[data-contact="wechat"]{background:#087e45;border-color:#087e45;color:#fff}.contact-dock>button[data-contact] img{filter:brightness(0) invert(1);object-fit:contain}.contact-dock>button[data-contact] span{color:#fff}.contact-dialog [data-contact-panel="qq"] .contact-badge>img{filter:none;object-fit:contain}