/* 圓桌 Rondo 官網共用樣式（顏色跟 App 一致） */
:root{
  --bg:#F5F3EE;--card:#FFFFFF;--line:#DDD8CF;--line2:#ECE8E0;
  --ink:#1D232A;--ink2:#3C444C;--muted:#5A636C;
  --pri:#1D6A85;--pri-d:#14506A;--pri-bg:#E3EFF3;
  --ok:#245C3B;--ok-bg:#E6F2EA;--warn:#8A4A12;--warn-bg:#FBF1E4;--bad:#7E2A1E;--bad-bg:#FBEAE7;
  --font:"Microsoft JhengHei UI","Microsoft JhengHei","PingFang TC","Noto Sans TC","Heiti TC",sans-serif;
  --serif:"Noto Serif TC","Source Han Serif TC","PMingLiU","Microsoft JhengHei",serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#16191C;--card:#1F2428;--line:#343B41;--line2:#2A3035;
    --ink:#ECEFF1;--ink2:#C9D0D5;--muted:#9AA5AD;
    --pri:#5FB3D1;--pri-d:#8BCBE2;--pri-bg:#1C3440;
    --ok:#8FD3A8;--ok-bg:#1D3326;--warn:#F0B982;--warn-bg:#3A2C1C;--bad:#F2A99E;--bad-bg:#3D2320;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-text-size-adjust:100%}
a{color:var(--pri)}
:focus-visible{outline:3px solid var(--pri);outline-offset:2px}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.top .wrap{display:flex;align-items:center;gap:18px;min-height:60px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-weight:700;font-size:21px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.brand img{width:28px;height:28px;border-radius:7px}
nav.links{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto;font-size:15px}
nav.links a{color:var(--ink2);text-decoration:none}
nav.links a:hover{color:var(--pri)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;font-family:inherit}
.btn:hover{border-color:var(--pri)}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.pri:hover{background:var(--pri-d)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.pri{color:#0E1A20}}
.btn.sm{min-height:38px;padding:0 14px;font-size:14px}
h1,h2,h3{line-height:1.35}
h1{font-family:var(--serif);font-size:clamp(30px,5vw,44px);margin:0 0 14px}
h2{font-family:var(--serif);font-size:clamp(23px,3.4vw,30px);margin:0 0 14px}
h3{font-size:18px;margin:0 0 6px}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--ink2);margin:0 0 24px}
.muted{color:var(--muted)}
.small{font-size:14px}
section{padding:56px 0}
section.alt{background:var(--card);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.hero{padding:64px 0 48px}
.hero .row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 22px}
section.alt .card{background:var(--bg)}
.card p{margin:0;color:var(--ink2)}
.steps{counter-reset:s;display:flex;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start}
.steps li:before{content:counter(s);flex-shrink:0;width:32px;height:32px;border-radius:16px;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .steps li:before,:root:not([data-theme="light"]) .plan .tag{color:#0E1A20}}
.plan{position:relative;display:flex;flex-direction:column;gap:6px}
.plan.rec{border:2px solid var(--pri)}
.plan .tag{position:absolute;top:-12px;right:16px;background:var(--pri);color:#fff;font-size:13px;font-weight:700;border-radius:999px;padding:2px 10px}
.plan .price{font-size:34px;font-weight:700}
.plan .price small{font-size:15px;font-weight:400;color:var(--muted)}
.note{background:var(--pri-bg);border-radius:12px;padding:14px 16px;color:var(--ink2)}
.warn{background:var(--warn-bg);border-radius:12px;padding:14px 16px}
.okb{background:var(--ok-bg);border-radius:12px;padding:14px 16px}
code,.code{font-family:Consolas,"Courier New",monospace;font-size:14px;background:var(--bg);border:1px solid var(--line2);border-radius:6px;padding:2px 6px;word-break:break-all}
pre.code{display:block;padding:10px 12px;white-space:pre-wrap;margin:8px 0}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:700;min-height:52px;display:flex;align-items:center;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary:after{content:"＋";margin-left:auto;color:var(--pri);font-weight:700}
details[open] summary:after{content:"－"}
details > div{padding:0 0 16px;color:var(--ink2)}
.legal h2{font-family:var(--font);font-size:19px;margin:32px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line2)}
.legal p,.legal li{color:var(--ink2)}
.legal ul,.legal ol{padding-left:22px}
.legal li{margin-bottom:6px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field span{font-weight:700;font-size:15px}
.field input,.field select,.field textarea{min-height:46px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;width:100%}
.field textarea{min-height:130px;resize:vertical}
footer.bottom{border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--muted)}
footer.bottom .wrap{display:flex;gap:10px 18px;flex-wrap:wrap}
footer.bottom a{color:var(--muted)}
.dl-meta{font-size:14px;color:var(--muted);margin-top:10px}
@media (max-width:760px){
  .grid3,.grid2{grid-template-columns:minmax(0,1fr)}
  nav.links{margin-left:0;width:100%;gap:12px;font-size:14px;padding-bottom:8px}
  section{padding:40px 0}
  .hero{padding:40px 0 32px}
  .wrap{padding:0 16px}
}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tabs .btn[aria-selected="true"]{background:var(--pri);border-color:var(--pri);color:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tabs .btn[aria-selected="true"]{color:#0E1A20}}
figure.shot{margin:10px 0 0;padding:0}
figure.shot svg{width:100%;max-width:460px;height:auto;border-radius:8px;border:1px solid var(--line)}
figure.shot figcaption{font-size:14px;color:var(--muted);margin-top:6px}
.betabar{background:var(--warn-bg);color:var(--warn);text-align:center;padding:8px 12px;font-size:14px;font-weight:700}