/* DAIVERTEX NFC Help v1 brand refresh */
:root{--ink:#0d223a;--muted:#65768a;--line:#d9e1e9;--blue:#0b5b9a;--teal:#0aa7a2;--pale:#eef6fb;--card:#fff;--bg:#f4f6f8;--warn:#fff6dc;--good:#edf8f0}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Noto Sans",Arial,sans-serif}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 0,rgba(10,167,162,.055),transparent 34%),var(--bg)}.help-shell{width:min(760px,100%);margin:0 auto;padding:16px 14px 28px}.help-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 14px;padding:8px 12px 8px 10px;border:1px solid rgba(217,225,233,.9);border-radius:18px;background:rgba(255,255,255,.92);box-shadow:0 8px 26px rgba(13,34,58,.055);backdrop-filter:blur(8px)}.brand{display:flex;align-items:center;min-width:0;color:var(--ink);text-decoration:none}.brand-logo{display:block;width:96px;max-width:30vw;height:auto;object-fit:contain;object-position:left center}.lang-switch{display:flex;align-items:center;white-space:nowrap;color:#a4afba}.lang-switch button{border:0;background:transparent;padding:7px 4px;color:var(--muted);font:inherit;font-weight:800;cursor:pointer}.lang-switch button.active{color:var(--ink);text-decoration:underline;text-decoration-color:var(--teal);text-decoration-thickness:2px;text-underline-offset:5px}.help-card{position:relative;min-height:62vh;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 46px rgba(13,34,58,.075);overflow:hidden}.help-card:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#0d223a 0%,#0aa7a2 52%,#0b67b2 100%)}h1{margin:0 0 8px;font-size:clamp(26px,7vw,38px);line-height:1.08;letter-spacing:-.025em}h2{margin:22px 0 10px;font-size:20px}p{line-height:1.62}.lead{margin:0 0 18px;color:var(--muted)}.route-grid,.brand-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.route-btn,.brand-btn,.action-btn{width:100%;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff 0%,#fbfcfd 100%);padding:16px;text-align:left;color:var(--ink);font:inherit;cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.route-btn{min-height:112px}.route-btn strong,.brand-btn strong{display:block;font-size:17px}.route-btn span,.brand-btn span{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.45}.route-btn:hover,.brand-btn:hover{border-color:#8bcac7;box-shadow:0 8px 22px rgba(13,34,58,.06);transform:translateY(-1px)}.step-list{display:grid;gap:10px}.step{padding:14px;border:1px solid var(--line);border-radius:15px;background:#fff}.step-head{display:flex;gap:10px;align-items:flex-start}.step-num{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:9px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:900}.step h3{margin:2px 0 7px;font-size:16px}.step p{margin:0;color:#40536a;font-size:14px}.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.badge{display:inline-flex;padding:4px 7px;border-radius:999px;background:#f1f4f7;color:#586b80;font-size:11px;font-weight:800}.badge.tested{background:var(--good);color:#267044}.badge.partial{background:var(--warn);color:#806313}.source{display:inline-block;margin-top:9px;color:var(--blue);font-size:12px;font-weight:800;text-decoration:none}.source:hover{text-decoration:underline}.nav-row{display:flex;gap:8px;margin-bottom:16px}.back-btn{border:0;background:#edf3f8;color:#40536a;border-radius:11px;padding:9px 12px;font:inherit;font-weight:800;cursor:pointer}.web-callout{margin:14px 0;padding:13px 14px;border-radius:14px;background:var(--pale);color:#315d82}.action-btn{margin-top:12px;text-align:center;background:linear-gradient(135deg,#0d223a,#0b5b9a);border-color:#0d223a;color:#fff;font-weight:850}.empty-note{padding:14px;border:1px dashed #cdd8e4;border-radius:14px;color:var(--muted);line-height:1.55}.help-footer{text-align:center;padding:16px 4px 0;color:#8a99aa;font-size:11px}.help-footer a{color:inherit}@media(max-width:520px){.help-shell{padding:12px 10px 24px}.help-head{padding:7px 10px}.brand-logo{width:78px;max-width:28vw}.help-card{padding:17px;border-radius:20px}.route-grid{grid-template-columns:1fr}.brand-grid{grid-template-columns:1fr 1fr;gap:8px}.brand-btn{padding:13px 11px}.brand-btn strong{font-size:14px}.route-btn{min-height:0}.lang-switch button{padding:5px 3px}}@media(max-width:360px){.brand-logo{width:72px}.lang-switch{font-size:14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.route-btn,.brand-btn,.action-btn{transition:none!important}}