/* 撲克入門 ys89.me — 撲克桌深色質感，資訊型版面 */

:root{
  --bg:#0b1210;
  --bg-deep:#080d0b;
  --panel:#111c18;
  --panel-2:#152420;
  --line:#233129;
  --line-soft:#1a2723;
  --txt:#e9ede9;
  --txt-2:#9fb0a7;
  --txt-3:#71857b;
  --brass:#c9a96a;
  --brass-2:#9c8047;
  --card-red:#c2362b;
  --card-black:#16191a;
  --maxw:1180px;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --disp:"Oswald","Noto Sans TC",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  background-image:
    radial-gradient(900px 460px at 15% -8%, #16302a 0%, rgba(22,48,42,0) 70%),
    linear-gradient(180deg,#0d1512 0%,#0b1210 320px);
  background-repeat:no-repeat;
}
img{max-width:100%}
a{color:var(--brass);text-decoration:none;border-bottom:1px solid rgba(201,169,106,.35)}
a:hover{color:#e2c58c;border-bottom-color:#e2c58c}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- 頁首 ---------- */
.topbar{height:3px;background:linear-gradient(90deg,var(--brass-2),var(--brass) 45%,var(--brass-2))}
.site-head{
  position:sticky;top:0;z-index:40;
  background:rgba(11,18,16,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
}
.site-head .wrap{display:flex;align-items:center;flex-wrap:wrap;gap:6px 24px;min-height:60px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:baseline;gap:9px;border:0;color:var(--txt);font-weight:700;letter-spacing:.06em;white-space:nowrap;flex:none}
.brand:hover{color:var(--txt)}
.brand .suits{font-size:.9rem;letter-spacing:.12em}
.brand .suits .r{color:var(--card-red)}
.brand .suits .b{color:var(--brass)}
.brand .name{font-size:1.02rem}
.brand .dom{font-family:var(--disp);font-size:.72rem;color:var(--txt-3);letter-spacing:.22em;text-transform:uppercase}

.nav{margin-left:auto;display:flex;gap:6px 20px;flex-wrap:wrap;min-width:0}
@media(max-width:719px){
  .site-head .wrap{gap:4px 12px}
  .nav{margin-left:0;width:100%;gap:2px 16px}
  .nav a{font-size:.86rem}
}
.nav a{
  border:0;color:var(--txt-2);font-size:.92rem;
  padding:4px 0;border-bottom:2px solid transparent;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--txt);border-bottom-color:var(--brass)}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{padding:52px 0 30px;border-bottom:1px solid var(--line-soft)}
.kicker{
  font-family:var(--disp);font-weight:600;font-size:.76rem;
  letter-spacing:.28em;text-transform:uppercase;color:var(--brass);
  display:flex;align-items:center;gap:12px;margin:0 0 14px;
}
.kicker::after{content:"";height:1px;flex:1;max-width:180px;background:linear-gradient(90deg,var(--brass-2),transparent)}
h1{
  margin:0 0 18px;font-size:clamp(1.85rem,5.2vw,3.1rem);
  line-height:1.28;font-weight:700;letter-spacing:.005em;max-width:24ch;
  text-wrap:balance;
}
.lead{font-size:1.06rem;color:var(--txt-2);max-width:64ch;margin:0 0 20px}
.meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  font-family:var(--disp);font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--txt-3);
}

/* ---------- 主要版面 ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:38px;padding:34px 0 10px}
@media(min-width:1000px){
  .layout{grid-template-columns:minmax(0,1fr) 246px;gap:56px}
  .toc-wrap{order:2}
}
main{min-width:0}

/* 目錄 */
.toc-wrap details{border:1px solid var(--line);background:var(--panel)}
.toc-wrap summary{
  cursor:pointer;padding:12px 16px;font-family:var(--disp);
  letter-spacing:.2em;text-transform:uppercase;font-size:.78rem;color:var(--brass);
}
.toc-wrap ol{margin:0;padding:4px 18px 16px 34px;list-style:decimal-leading-zero}
.toc-wrap li{margin:6px 0;font-size:.9rem;color:var(--txt-3)}
.toc-wrap a{border:0;color:var(--txt-2)}
.toc-wrap a:hover{color:var(--brass)}
@media(min-width:1000px){
  .toc-wrap{position:sticky;top:88px;align-self:start}
  .toc-wrap details{border:0;border-left:1px solid var(--line);background:none;padding-left:0}
  .toc-wrap summary{list-style:none;padding:0 0 10px 18px}
  .toc-wrap summary::-webkit-details-marker{display:none}
  .toc-wrap ol{padding:0 0 0 34px}
}

/* ---------- 內文 ---------- */
section{margin:0 0 46px;scroll-margin-top:84px}
h2{
  font-size:clamp(1.3rem,3.4vw,1.72rem);line-height:1.4;
  margin:0 0 14px;font-weight:700;letter-spacing:.005em;
  overflow-wrap:break-word;
}
h2 .q{
  font-family:var(--disp);font-weight:600;color:var(--brass);
  font-size:.82em;letter-spacing:.06em;margin-right:12px;
}
h3{font-size:1.08rem;margin:30px 0 8px;font-weight:700;color:var(--txt)}
p{margin:0 0 16px;overflow-wrap:break-word}
.answer{
  border:1px solid var(--line);border-top:2px solid var(--brass-2);
  background:var(--panel);padding:18px 20px;margin:0 0 20px;
  font-size:1.04rem;color:var(--txt);
}
.answer p:last-child{margin-bottom:0}
ul,ol{margin:0 0 18px;padding-left:22px}
li{margin:7px 0}
li::marker{color:var(--brass-2)}
strong{color:#fff;font-weight:700}
.note{color:var(--txt-2);font-size:.94rem;border-left:0;border-top:1px solid var(--line-soft);padding-top:14px}
.callout{
  border:1px solid var(--line);background:var(--panel-2);
  padding:16px 20px;margin:0 0 22px;
}
.callout .tag{
  font-family:var(--disp);font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--brass);display:block;margin-bottom:6px;
}
.callout p:last-child{margin-bottom:0}

/* ---------- 撲克牌 ---------- */
.hand{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.hand-duo{display:flex;flex-direction:column;gap:12px;margin:0 0 16px}
@media(min-width:720px){.hand-duo{flex-direction:row;gap:34px;align-items:center}}
.hand-label{font-family:var(--disp);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brass-2);margin:0 0 6px}
.pcard{
  width:clamp(42px,11vw,56px);aspect-ratio:5/7;border-radius:5px;
  background:linear-gradient(160deg,#fdfdfb,#eceae2);
  color:var(--card-black);position:relative;display:block;flex:none;
  box-shadow:0 2px 0 rgba(0,0,0,.45),0 6px 14px rgba(0,0,0,.35);
  border:1px solid #cfcabc;
}
.pcard.red{color:var(--card-red)}
.pcard .idx{
  position:absolute;top:3px;left:5px;line-height:1;
  font-family:var(--disp);font-weight:600;font-size:clamp(.72rem,2.4vw,.92rem);
}
.pcard .idx i{display:block;font-style:normal;font-size:.9em;margin-top:1px}
.pcard .big{
  position:absolute;right:5px;bottom:3px;
  font-size:clamp(1rem,3.4vw,1.35rem);line-height:1;opacity:.92;
}
.pcard.back{background:repeating-linear-gradient(45deg,#1d3830,#1d3830 4px,#152a24 4px,#152a24 8px);border-color:#2c4a41}

/* 牌型排行 */
.ranks{border-top:1px solid var(--line);margin:0 0 26px}
.rank-row{
  display:grid;grid-template-columns:auto 1fr;gap:6px 16px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.rank-row .no{
  font-family:var(--disp);font-weight:600;font-size:1.5rem;color:var(--brass);
  line-height:1;padding-top:4px;
}
.rank-row .nm{font-weight:700;font-size:1.1rem;margin:0 0 2px}
.rank-row .en{
  font-family:var(--disp);font-size:.74rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--txt-3);margin:0 0 10px;
}
.rank-row .ds{color:var(--txt-2);font-size:.96rem;margin:8px 0 0}
.rank-row .hand{grid-column:2;margin-top:10px}
@media(min-width:720px){
  .rank-row{grid-template-columns:46px minmax(0,1fr) auto;align-items:center}
  .rank-row .hand{grid-column:3;margin-top:0;padding-left:20px}
}

/* ---------- 表格：手機堆疊成卡片 ---------- */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 22px}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
caption{
  text-align:left;color:var(--txt-3);font-size:.85rem;
  padding:0 0 8px;font-family:var(--disp);letter-spacing:.14em;text-transform:uppercase;
}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{
  background:var(--panel-2);color:var(--brass);font-weight:600;
  font-size:.82rem;letter-spacing:.1em;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody tr:hover{background:rgba(255,255,255,.02)}
td.num{font-family:var(--disp);letter-spacing:.04em;white-space:nowrap}

@media(max-width:719px){
  .tbl-scroll{overflow-x:visible}
  table.stack{min-width:0;display:block;width:100%}
  table.stack caption{display:block;width:100%;white-space:normal}
  table.stack thead{display:none}
  table.stack tbody,table.stack tr,table.stack td{display:block;width:100%}
  table.stack tr{
    border:1px solid var(--line);background:var(--panel);
    margin:0 0 12px;padding:6px 0;
  }
  table.stack td{border:0;border-bottom:1px solid var(--line-soft);padding:9px 14px}
  table.stack tr td:last-child{border-bottom:0}
  table.stack tr td:first-child{
    background:var(--panel-2);color:var(--txt);font-weight:700;
    padding:9px 14px;border-bottom:1px solid var(--line);
  }
  table.stack td::before{
    content:attr(data-l);display:block;
    font-family:var(--disp);font-size:.7rem;letter-spacing:.18em;
    text-transform:uppercase;color:var(--brass-2);margin-bottom:3px;
  }
  table.stack tr td:first-child::before{color:var(--brass)}
}

/* ---------- 術語表 ---------- */
.terms{margin:0 0 26px;border-top:1px solid var(--line)}
.terms div{padding:16px 0;border-bottom:1px solid var(--line)}
.terms dt{font-weight:700;font-size:1.04rem;margin:0 0 6px}
.terms dt span{
  font-family:var(--disp);font-size:.76rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brass-2);margin-left:10px;
}
.terms dd{margin:0;color:var(--txt-2)}

/* ---------- 導覽卡片 ---------- */
.cardgrid{display:grid;gap:14px;grid-template-columns:1fr;margin:0 0 26px}
@media(min-width:640px){.cardgrid{grid-template-columns:1fr 1fr}}
.cardgrid a{
  border:1px solid var(--line);background:var(--panel);padding:18px 20px;
  display:block;color:var(--txt);
}
.cardgrid a:hover{border-color:var(--brass-2);background:var(--panel-2);color:var(--txt)}
.cardgrid .n{
  font-family:var(--disp);font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--brass);display:block;margin-bottom:6px;
}
.cardgrid .t{font-weight:700;font-size:1.06rem;display:block;margin-bottom:6px}
.cardgrid .d{color:var(--txt-2);font-size:.92rem;display:block}

/* ---------- 常見問題 ---------- */
.faq{border-top:1px solid var(--line);margin:52px 0 0;padding-top:8px}
.faq .faq-item{padding:20px 0;border-bottom:1px solid var(--line)}
.faq h3{
  margin:0 0 8px;font-size:1.06rem;overflow-wrap:break-word;
}
.faq h3::before{
  content:"Q";font-family:var(--disp);font-weight:600;color:var(--brass);
  font-size:.86em;margin-right:10px;
}
.faq p{margin:0;color:var(--txt-2)}

/* ---------- 頁尾 ---------- */
.site-foot{
  margin-top:60px;border-top:1px solid var(--line);
  background:var(--bg-deep);padding:38px 0 46px;
}
.foot-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media(min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot-grid h4{
  font-family:var(--disp);font-size:.76rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--brass);margin:0 0 12px;font-weight:600;
}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:7px 0}
.foot-grid a{border:0;color:var(--txt-2);font-size:.93rem}
.foot-grid a:hover{color:var(--brass)}
.foot-grid p{color:var(--txt-3);font-size:.92rem;margin:0 0 12px}
.responsible{
  margin-top:32px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--txt-3);font-size:.9rem;line-height:1.8;
}
.responsible strong{color:var(--brass);font-weight:600}
.copy{margin-top:18px;color:var(--txt-3);font-size:.84rem;font-family:var(--disp);letter-spacing:.12em}

/* 跳過導覽 */
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--brass);color:#0b1210;padding:8px 14px;z-index:99}


/* CTA */
.cta-band{margin:34px 0 0;padding:26px 24px;background:var(--panel,#111c18);border:1px solid var(--line,#233129);border-radius:14px}
.cta-band h3{margin:0 0 8px;font-size:18px;color:#e8e2d4}
.cta-band p{margin:0 0 16px;font-size:14.5px;line-height:1.8;color:#9fb0a6}
.cta-btn{display:inline-block;padding:11px 22px;border-radius:8px;background:#c9a227;color:#0b1210;font-weight:800;font-size:15px;text-decoration:none}
.cta-note{margin:12px 0 0;font-size:12px;color:#7d8c84}