:root{--brand:#1e3a8a;--brand-dark:#142a66;--brand-tint:#e9eefb;--cta:#e8590c;--ink:#16222c;--muted:#5f6b76;--line:#e4e7ea;--bg:#fafbfa;--card:#fff;--tag-live:#1e3a8a;--tag-expiring:#c2410c;--tag-recheck:#8a6d00}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);margin:0;font-family:-apple-system,PingFang HK,Noto Sans TC,Microsoft JhengHei,sans-serif;font-size:16px;line-height:1.65}main{max-width:860px;margin:0 auto;padding:0 1rem 3rem}header.site{z-index:50;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;box-shadow:0 1px 4px #16222c0d}.site-inner{align-items:center;gap:1rem;max-width:860px;margin:0 auto;padding:.6rem 1rem;display:flex}.brand{flex-shrink:0;align-items:center;gap:.55rem;text-decoration:none;display:flex}.brand-mark{background:linear-gradient(160deg, var(--brand) 60%, var(--brand-dark));color:#fff;border-radius:6px;justify-content:center;align-items:center;width:34px;height:26px;font-size:15px;font-weight:800;display:flex;position:relative;overflow:hidden}.brand-mark:after{content:"";background:var(--cta);height:4px;position:absolute;top:4px;left:0;right:0}.brand-name{color:var(--ink);letter-spacing:.02em;font-size:1.12rem;font-weight:800}.brand-name small{color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-size:.62rem;font-weight:600;display:block}.nav-toggle{display:none}.nav-btn{cursor:pointer;margin-left:auto;padding:.4rem;display:none}.nav-btn span{background:var(--ink);border-radius:2px;width:20px;height:2.5px;margin:4px 0;display:block}header.site nav{gap:.2rem;margin-left:auto;display:flex}header.site nav a{color:var(--ink);white-space:nowrap;border-radius:8px;padding:.35rem .65rem;font-size:.92rem;font-weight:600;text-decoration:none}header.site nav a:hover{background:var(--brand-tint);color:var(--brand-dark)}@media (width>=721px){header.site nav a.nav-more{display:none}}@media (width<=720px){.nav-btn{display:block}header.site nav{border-bottom:1px solid var(--line);background:#fff;flex-direction:column;gap:0;padding:.4rem 1rem .8rem;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 8px 16px #16222c14}header.site nav a{border-bottom:1px solid var(--line);border-radius:0;padding:.55rem .4rem}header.site nav a:last-child{border-bottom:none}.nav-toggle:checked~nav{display:flex}}.hero{background:linear-gradient(175deg, var(--brand-tint), #fff 85%);border-bottom:1px solid var(--line);margin:0 -1rem 1.2rem;padding:1.6rem 1rem 1.3rem}.hero-inner{max-width:860px;margin:0 auto}.hero h1{margin:0 0 .3rem;font-size:1.65rem;line-height:1.3}.hero .tagline{color:var(--muted);margin:0 0 .9rem;font-size:.98rem}.chips{flex-wrap:wrap;gap:.5rem;display:flex}.chip{color:var(--brand-dark);border:1.5px solid var(--brand);background:#fff;border-radius:999px;padding:.32rem .85rem;font-size:.88rem;font-weight:650;text-decoration:none;display:inline-block}.chip:hover{background:var(--brand);color:#fff}.chip.hot{border-color:var(--cta);color:var(--cta)}.chip.hot:hover{background:var(--cta);color:#fff}.freshness{color:var(--muted);margin-top:.8rem;font-size:.78rem}.freshness a{color:var(--muted)}h1{margin:1.5rem 0 .4rem;font-size:1.55rem;line-height:1.3}h2{border-left:4px solid var(--brand);margin:2rem 0 .7rem;padding-left:.6rem;font-size:1.18rem;line-height:1.35}.sub{color:var(--muted);margin:0 0 1rem;font-size:.92rem}.ico-h2{align-items:center;gap:.45rem;display:flex}a{color:var(--brand-dark)}.offer{border:1px solid var(--line);background:var(--card);border-radius:12px;margin:.75rem 0;padding:.95rem 1.05rem;box-shadow:0 1px 3px #16222c0a}.offer .meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.84rem;display:flex}.issuer-chip{color:#fff;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:.72rem;font-weight:800;display:inline-flex}.merchant-tag{color:var(--ink);align-items:center;gap:.3rem;font-weight:600;text-decoration:none;display:inline-flex}.merchant-tile{color:#fff;border-radius:5px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:.66rem;font-weight:800;display:inline-flex}.bridge{background:linear-gradient(100deg,#fff6ef,#fff);border:1px solid #f4d3ba;border-radius:9px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin:.55rem 0 .1rem;padding:.5rem .75rem;text-decoration:none;display:flex}.bridge:hover{border-color:var(--cta)}.bridge-q{color:var(--ink);flex:none;font-size:.84rem;font-weight:600}.bridge-v{color:var(--cta);text-align:right;flex:auto;font-size:.86rem;font-weight:800}.offer .benefit{margin:.4rem 0 .2rem;font-size:1.04rem;font-weight:750;line-height:1.5}.offer details{margin:.3rem 0 .1rem}.offer details summary{cursor:pointer;color:var(--brand-dark);user-select:none;font-size:.84rem;font-weight:600}.offer ul{color:#46525c;margin:.35rem 0 .2rem;padding-left:1.2rem;font-size:.87rem}.offer li{margin:.15rem 0}.tag{border:1px solid;border-radius:999px;padding:.08rem .55rem;font-size:.72rem;font-weight:650;display:inline-block}.tag.live,.tag.ongoing{color:var(--tag-live);background:var(--brand-tint);border-color:#0000}.tag.expiring{color:#fff;background:var(--tag-expiring);border-color:#0000}.tag.recheck{color:var(--tag-recheck)}.src{border-top:1px dashed var(--line);color:var(--muted);flex-wrap:wrap;gap:.3rem .9rem;margin:.5rem 0 0;padding-top:.5rem;font-size:.78rem;display:flex}.src a{color:var(--brand-dark);font-weight:600}.benefit-row{justify-content:space-between;align-items:flex-start;gap:.7rem;display:flex}.benefit-row .benefit{flex:1;min-width:0}.benefit-badge{color:var(--cta);letter-spacing:.01em;white-space:nowrap;flex-shrink:0;margin-top:.35rem;padding:.15rem 0;font-size:1.3rem;font-weight:900;line-height:1.1}.cta-btn{background:var(--cta);color:#fff;border-radius:999px;margin:.4rem 0 .1rem;padding:.45rem 1.1rem;font-size:.92rem;font-weight:750;text-decoration:none;display:inline-block}.cta-btn:hover{background:#c94a08}.trust-strip{color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:10px;flex-wrap:wrap;align-items:center;gap:.3rem 1.1rem;margin:.9rem 0 .4rem;padding:.5rem .8rem;font-size:.8rem;display:flex}.trust-strip strong{color:var(--brand-dark)}.trust-strip a{color:var(--brand-dark);font-weight:650}.offer-row{align-items:flex-start;gap:.9rem;display:flex}.offer-row .offer-body{flex:1;min-width:0}@media (width<=480px){.offer-row{flex-direction:column}}.sihing{background:var(--brand-tint);border-left:3px solid var(--brand);color:var(--ink);border-radius:0 8px 8px 0;margin:.45rem 0 .1rem;padding:.4rem .7rem;font-size:.88rem}.sihing strong{color:var(--brand-dark)}.rate-chart{flex-direction:column;gap:.5rem;margin:0 0 1.2rem;display:flex}.rc-row{grid-template-columns:92px 1fr auto;align-items:center;gap:.6rem;display:grid}.rc-label{text-align:right;white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:600;overflow:hidden}.rc-track{background:var(--brand-tint);border-radius:6px;height:22px;overflow:hidden}.rc-bar{border-radius:6px;height:100%;transition:width .75s cubic-bezier(.2,.8,.2,1);display:block}.rc-val{color:var(--ink);text-align:right;min-width:74px;font-size:.9rem;font-weight:800}@media (prefers-reduced-motion:reduce){.rc-bar{transition:none}}footer.site{border-top:1px solid var(--line);color:var(--muted);background:#fff;margin-top:3rem;padding:1.6rem 1rem 2rem;font-size:.85rem}.footer-inner{grid-template-columns:1fr;gap:1.2rem;max-width:860px;margin:0 auto;display:grid}@media (width>=640px){.footer-inner{grid-template-columns:1.4fr 1fr 1fr}}footer.site h3{color:var(--ink);margin:0 0 .4rem;font-size:.9rem}footer.site p{margin:0 0 .4rem}footer.site a{color:var(--muted)}footer.site ul{margin:0;padding:0;list-style:none}footer.site li{margin:.2rem 0}.copyright{border-top:1px solid var(--line);max-width:860px;margin:1.4rem auto 0;padding-top:1rem;font-size:.76rem}